1 2006-12-01 Zdenek Dvorak <dvorakz@suse.cz>
3 PR tree-optimization/29921
4 * tree-ssa-ccp.c (canonicalize_float_value): New function.
5 (set_lattice_value): Use canonicalize_float_value.
7 2006-11-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
9 * config/spu/spu.c (spu_builtin_range): Move from spu-c.c
10 (TARGET_RESOLVE_OVERLOADED_BUILTIN): Delete.
11 (spu_cpu_cpp_builtins): Remove.
12 (spu_override_options): Don't set warn_main.
13 (spu_force_reg): Move from spu-c.c.
14 (spu_check_builtin_parm): Likewise.
15 (expand_builtin_args): Likewise.
16 (spu_expand_builtin_1): Likewise.
17 (spu_expand_builtin): Likewise.
18 * config/spu/spu.h (REGISTER_TARGET_PRAGMAS): Define, set
19 warn_main and targetm.resolve_overloaded_builtin.
20 * config/spu/spu-c.c (spu_builtin_range): Remove.
21 (spu_check_builtin_parm): Remove.
22 (expand_builtin_args): Remove.
23 (spu_expand_builtin_1): Remove.
24 (spu_expand_builtin): Remove.
25 (spu_cpu_cpp_builtins): Moved from spu.c
26 (spu_force_reg): Remove.
28 2006-12-01 Joseph Myers <joseph@codesourcery.com>
29 David Edelsohn <edelsohn@gnu.org>
32 * doc/tm.texi (HARD_REGNO_NREGS_HAS_PADDING,
33 HARD_REGNO_NREGS_WITH_PADDING): Document new target macros.
34 * defaults.h (HARD_REGNO_NREGS_HAS_PADDING,
35 HARD_REGNO_NREGS_WITH_PADDING): Define.
36 * config/i386/i386.h (HARD_REGNO_NREGS_HAS_PADDING,
37 HARD_REGNO_NREGS_WITH_PADDING): Define.
38 * rtlanal.c (subreg_regno_offset, subreg_offset_representable_p):
39 Use new macros to detect modes with holes; do not look at integer
41 (subreg_offset_representable_p): Check for and disallow cases
42 where the modes use different numbers of bits from registers.
43 * config/rs6000/rs6000.c (rs6000_emit_move): Handle TFmode
44 constant for soft-float.
45 (rs6000_hard_regno_nregs): Use UNITS_PER_FP_WORD for e500 GPRs
47 (rs6000_split_multireg_move): Use DFmode reg_mode for TFmode moves
49 * config/rs6000/rs6000.md (movtf): Allow soft-float.
50 (movtf_softfloat): New.
52 2006-11-30 Richard Sandiford <richard@codesourcery.com>
54 * simplify-rtx.c (simplify_rtx): Use simplify_subreg rather than
57 2006-11-30 Andrew Macleod <amacleod@redhat.com>
59 * tree-ssa-live.c (create_coalesce_list): Create a hash table.
60 (COALESCE_HASH_FN): New. Define hash function.
61 (partition_pair_map_hash): New. Hash value for a partition pair.
62 (partition_pair_map_eq): New. Equality for hash pairs.
63 (create_coalesce_list): Create hash table.
64 (delete_coalesce_list): Free hash table.
65 (find_partition_pair): Find/create pairs in hash table.
66 (compare_pairs): Sort pairs in ascending order now.
67 (num_coalesce_pairs): New. Number of pairs in hash table.
68 (struct partition_pair_iterator): Iterator struct for pair table.
69 (first_partition_pair): Iterator function for first pair.
70 (end_partition_pair_p): Iterator function for end of iteration.
71 (next_partition_pair): Iterator function for next pair.
72 (FOR_EACH_PARTITION_PAIR): Macro for iterating over pairs.
73 (sort_coalesce_list): Sort pairs from hash table into an array.
74 (pop_best_coalesce): Take pairs from the array.
75 (dump_coalesce_list): Update to use hash table or sorted array.
76 * tree-ssa-live.h (struct partition_pair_d): Remove next field.
77 (struct coalesce_list_d): Add hash table related fields.
79 2006-11-30 Jan Hubicka <jh@suse.cz>
82 * builtins.c (fold_builtin_memory_op): Fix typo in the check for
83 memmove/bcopy->memcpy conversion.
85 2006-11-30 Carlos O'Donell <carlos@codesourcery.com>
87 * doc/tm.texi (MAX_OFILE_ALIGNMENT): Document default.
88 * config/elfos.h [!MAX_OFILE_ALIGNMENT] (MAX_OFILE_ALIGNMENT):
89 Default is the largest alignment supported for 32-bit ELF and
90 representable on a 32-bit host.
92 2006-11-30 Janis Johnson <janis187@us.ibm.com>
94 * config/dfp-bit.c (DFP_TO_INT): Use wider precision.
96 2006-11-30 Jan Hubicka <jh@suse.cz>
98 * tree-ssa-operands.h (struct ssa_operands): New.
99 * tree-flow-inline.h (gimple_ssa_operands): New function.
100 * tree-flow.h: (struct gimple_df): Add ssa_operands.
101 * Makefile.in: Remove gt-tree-ssa-operands.h
102 * tree-ssa-operands.c: Do not include gt-tree-ssa-operands.h
103 (free_defs, free_uses, free_vuses, free_maydefs, free_mustdefs,
104 operand_memory, operand_memory_index, ops_active): Remove statics.
105 (ALLOC_OPTYPE): Update.
106 (operand_build_sort_virtual): Update.
107 (ssa_operands_active): Update.
108 (init_ssa_operands): Update.
109 (fini_ssa_operands): Update.
110 (ssa_operand_alloc): Update.
111 (INITIALIZE_USE): Update.
112 (finalize_ssa_use_ops): Update.
113 (finalize_ssa_v_may_def_ops): Update.
114 (finalize_ssa_vuse_ops): Update.
115 (finalize_ssa_v_must_def_ops): Update.
117 2006-11-30 Richard Guenther <rguenther@suse.de>
119 * tree-vectorizer.h (vectorizable_function): Export.
120 * tree-vect-transform.c (vectorizable_function): Likewise.
121 * tree-vect-patterns.c (vect_recog_pow_pattern): Set
122 type_in to scalar type in recognition of squaring.
123 Make sure the target can vectorize sqrt in recognition
124 of sqrt, set type_in to vector type in this case.
126 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
128 * config/i386/i386.md (R10_REG): New constant.
129 * config/i386/i386.c (pro_epilogue_adjust_stack): Use R11_REG.
130 (ix86_emit_restore_regs_using_mov): Ditto.
131 (ix86_expand_call): Ditto.
132 (x86_output_mi_thunk): Ditto. Also use R10_REG.
134 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
136 * cselib.c (cselib_init): Use special MEM rtx form for callmem.
137 * alias.c (canon_true_dependence): Update comment.
139 2006-11-30 Steven Bosscher <steven@gcc.gnu.org>
141 * cgraphunit.c (cgraph_finalize_compilation_unit): Add a newline
142 at the end of a diagnostics message.
144 * alloc-pool.c (pool_free): Postpone clearing the pool entry
145 until after asserting that it was allocated in the right pool.
147 * cfgrtl.c (print_rtl_with_bb): Print predecessor and
148 successor edge information as well. Make output of live regs
149 on exit consistent with live regs on entry.
151 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
154 * config/i386/i386.md (*truncxfsf2_mixed, *truncxfdf2_mixed): Enable
155 insn patterns for TARGET_80387.
156 (*truncxfsf2_i387, *truncxfdf2_i387): Remove.
157 (*truncxfsf2_i387_1): Rename to *truncxfsf2_i387.
158 (*truncxfdf2_i387_1): Rename to *truncxfdf2_i387.
159 (fmod<mode>3, remainder<mode>3): Enable expaders for SSE math.
160 Generate truncxf<mode>2 insn patterns for strict SSE math.
162 2006-11-30 Uros Bizjak <ubizjak@gmail.com>
164 * config/i386/i386.md (movsf_1): Enable pattern for standard
165 80387 constants before reload when optimizing for size.
166 (*movdf_nointeger, *movdf_integer): Ditto.
167 (*movxf_nointeger, *movxf_integer): Disable patterns for standard
168 80387 constants before reload when not optimizing for size.
170 (*fop_xf_4_i387, *fop_xf_5_i387, *fop_xf_6_i387): Avoid float
171 extension of XFmode input operands.
173 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
175 * config/spu/crt0.c (__dso_handle): Define.
177 2006-11-30 Kaz Kojima <kkojima@gcc.gnu.org>
179 * emit-rtl.c (verify_rtl_sharing): Handle SEQUENCE specially
180 when clearing the used flags.
182 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
184 * config/spu/spu.md (extend_compare): Fix whitespace formatting.
186 2006-11-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
189 * config/spu/spu.md (extend_compare<mode>): New pattern.
190 (extend_compare): Change to expand and use the above pattern.
192 2006-11-29 Janis Johnson <janis187@us.ibm.com>
194 * config/dfp-bit.c (DFP_TO_INT): Fix rounding mode.
196 * config/dfp-bit.h (CONTEXT_ROUND): Delete.
197 (DFP_INIT_ROUNDMODE): Define.
198 * config/dfp-bit.c: Replace CONTEXT_ROUND with DFP_INIT_ROUNDMODE.
199 * mklibgcc.in: Fix dependencies for dfp-bit.c.
201 2006-11-29 Tehila Meyzels <tehila@il.ibm.com>
203 * haifa-sched.c: Remove define LINE_NOTE(INSN). Remove line_note_head.
204 Update documentation.
205 (associate_line_notes_with_blocks): Kill.
206 (extend_bb): Remove basic block argument, put void instead.
207 Remove line number handling for each bb.
208 (save_line_notes): Kill.
209 (restore_line_notes): Kill.
210 (sched_init): Remove line_note_head initialization.
211 Change extend_bb call.
212 (sched_finish): Remove free of line_note_head.
213 (add_block): Change extend_bb call.
214 * sched-ebb.c (schedule_ebb): Remove save_line_notes,
215 rm_line_notes and restore_line_notes calls.
216 (schedule_ebbs): Remove rm_redundant_line_notes.
217 * sched-int.h (struct haifa_insn_data): Remove line_note.
218 (save_line_notes): Remove declaration.
219 (restore_line_notes): Remove declaration.
220 * modulo-sched.c (loop_canon_p): Update debug info printing
221 by using insn locators instead of line note.
222 (sms_schedule): Update debug info printing, by using insn
223 locators instead of line note.
224 * sched-rgn.c (debug_dependencies): Remove handling of case
225 n>0 (line number), since it's a dead code.
226 (schedule_region): Remove save_line_notes and
227 restore_line_notes calls.
229 2006-11-29 Joseph Myers <joseph@codesourcery.com>
231 * config/rs6000/predicates.md (gpc_reg_operand): Check
233 * config/rs6000/rs6000.c (invalid_e500_subreg): Don't allow any
234 SImode subregs of SPE vectors.
235 * config/rs6000/rs6000.md (insv): Fail for invalid E500 subregs.
236 * jump.c (true_regnum): Require subregs to satisfy
237 subreg_offset_representable_p.
239 2006-11-29 Daniel Berlin <dberlin@dberlin.org>
240 Steven Bosscher <stevenb.gcc@gmail.com>
242 * Makefile.in (tree-ssanames.o): Remove gt-tree-ssanames.h,
243 since it no longer exists.
245 2006-11-29 Duncan Sands <baldrick@free.fr>
247 PR tree-optimization/23744
248 * tree-vrp.c (vrp_meet): do not require ranges to intersect.
250 2006-11-29 Duncan Sands <baldrick@free.fr>
252 PR tree-optimization/23744
253 * testsuite/gcc.dg/tree-ssa/pr23744.c: new test.
255 2006-11-29 Duncan Sands <baldrick@free.fr>
257 PR tree-optimization/23744
258 * testsuite/gcc.dg/tree-ssa/update-threading.c: xfail.
260 2006-11-29 Jie Zhang <jie.zhang@analog.com>
262 * doc/tm.texi (NO_PROFILE_COUNTERS): Document more accurately.
264 2006-11-29 J"orn Rennecke <joern.rennecke@st.com>
266 * sh.opt (minline-ic_invalidate): New option.
267 (musermode): Adjust comment.
268 * sh.c (sh_initialize_trampoline): Emit library call unless
269 is set; if it is set, don't emit library call if we can use icbi
271 * sh.md (ic_invalidate_line, ic_invalidate_line_sh4a): Also use
272 icbi for TARGET_SH4_300.
273 * t-sh (LIB1ASMFUNCS_CACHE): Set.
274 * doc/invoke.texi: Document -minline-ic_invalidate; Update
275 -musermode documentation.
277 2006-11-29 Jim Tison <jtison@us.ibm.com>
279 * gthr-tpf.h (__GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION,
280 __gthread_recursive_mutex_init): Define.
282 2006-11-29 Joseph Myers <joseph@codesourcery.com>
284 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): If
285 STRICT_ALIGNMENT and the type is more aligned than the saved
286 registers, copy via a temporary.
288 2006-11-28 Andrew Pinski <pinskia@gmail.com>
291 * tree-ssa-reassoc.c (eliminate_duplicate_pair): Handle MAX_EXPR
294 2006-11-28 Bob Wilson <bob.wilson@acm.org>
296 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a12-a15 on exit.
298 2006-11-28 Jan Hubicka <jh@suse.cz>
300 Privatize SSA variables into gimple_df.
302 (gimple_in_ssa_p, gimple_aliases_computed_p, gimple_addressable_vars,
303 gimple_call_clobbered_vars, gimple_referenced_vars, gimple_global_var,
304 gimple_nonlocal_all): New accessors.
305 (first_referenced_var): Update.
306 (mark_stmt_modified): Update.
307 (is_call_clobbered): Update.
308 (mark_call_clobbered): Update.
309 (clear_call_clobbered): Update.
310 (mark_non_addressable): Update.
311 * tree-vrp.c (get_value_range): Update.
312 * tree-into-ssa.c (in_ssa_p): Kill.
313 (get_default_def_for): Update.
314 (rewrite_into_ssa): Update.
315 * tree-complex.c (init_parameter_lattice_values): Update.
316 (update_complex_assignment): Update.
317 (update_parameter_components): Update.
318 (expand_complex_libcall): Update.
319 (expand_complex_operations_1): Update.
320 * tree-tailcall.c (arg_needs_copy_p): Update.
321 (add_virtual_phis): Update.
322 (tree_optimize_tail_calls_1): Update.
323 * tree-ssa-dse.c (memory_ssa_name_same): Update.
324 * tree-ssa-copyrename.c
325 (copy_rename_partition_coalesce): Update.
326 * tree-ssa-math-opts.c (execute_cse_reciprocals): Update.
327 * tree-ssa-propagate.c (set_rhs): Update.
328 * tree-ssa-alias.c (aliases_computed_p, call_clobbered_vars,
329 addressable_vars, global_var):Kill.
330 (set_initial_properties): Update.
331 (init_alias_info): Update.
332 (finalize_ref_all_pointers): Update.
333 (setup_pointers_and_addressables): Update.
334 (maybe_create_global_var): Update.
335 (create_global_var): Update.
336 (dump_points_to_info): Update.
337 * function.h (struct gimple_df): Forward declare.
338 (struct function): Add GIMPLE_DF field.
339 * gimplify.c (force_gimple_operand): Update.
340 * tree-dfa.c (referenced_vars, default_defs): KIll.
341 (make_rename_temp): Update.
342 (dump_variable): Update.
343 (referenced_var_lookup): Update.
344 (referenced_var_check_and_insert): Update.
345 (default_def): Rename to ...
346 (gimple_default_def): ... this one; accept cfun argument.
347 (set_default_def): Update.
348 * tree-cfgcleanup.c (modified_noreturn_calls): Kill.
349 (cleanup_control_flow): Update.
350 * tree-ssa-pre.c (compute_avail): Update
351 * tree-ssa-live.c (calculate_live_on_entry): Update.
352 * tree-ssa.c (verify_use): Update.
353 (verify_call_clobbering): Update.
354 (verify_call_clobbering): Update.
355 (init_tree_ssa): Update.
356 (delete_tree_ssa): Update.
357 * tree-outof-ssa.c (coalesce_ssa_name): Update.
358 (rewrite_out_of_ssa): Update.
359 * tree-flow.h (gimple_df): New structure collecting dataflow variables.
360 (FREE_SSANAMES, SSANAMES, MODIFIED_NORETURN_CALLS, DEFAULT_DEFS): New
362 (in_ssa_p, modified_noreturn_calls, referenced_vars, default_defs,
363 ssa_names, global_var, nonlocal_all, call_clobbered_vars,
364 addressable_vars, aliases_computed_p): Kill.
365 (default_def): Rename to...
366 (gimple_default_def): ... this one.
367 (defaule_def_fn): Kill.
368 (num_referenced_vars, ssa_names, num_ssa_names): Update.
369 * tree-ssa-structalias.c (nonlocal_all): Kill.
370 (get_constraint_exp_from_ssa_var): Update.
371 (create_nonlocal_var): Update.
372 (get_constraint_for): Update.
373 (update_alias_info): Update.
374 (find_global_initializers): Update.
375 (intra_create_variable_infos): Update.
376 (intra_create_variable_infos):
377 (find_what_p_points_to): Update.
378 (init_alias_heapvars): Update.
379 * tree-cfg.c (remove_bb): Update.
380 (gimplify_val): Update.
381 * tree-ssa-reassoc.c (get_rank): Update.
382 (init_reassoc): Update.
383 * tree-ssanames.c: Do not include gt-tree-ssanames.h
384 (ssa_names, free_ssanames): Kill.
385 (init_ssanames): Update.
386 (make_ssa_name): Update.
387 (release_ssa_name): Update.
388 (release_defs): Update.
389 (replace_ssa_name_symbol): Update.
390 * tree-ssa-operands.c (access_can_touch_variable): Update.
391 (add_virtual_operand): Update.
392 (add_call_clobber_ops): Update.
393 (add_call_read_ops): Update.
394 (get_call_expr_operands): Update.
395 (get_asm_expr_operands): Update.
397 2006-11-28 Jan Hubicka <jh@suse.cz>
399 * builtins.c: Include tree-flow.h.
400 (fold_builtin_memory_op): Be more aggressive on converting memcpy to
401 assignment; convert memmove to memcpy for sizes greater than 1 where
402 alignment of operands prohibit the partial overlap.
404 2006-11-28 Jan Hubicka <jh@suse.cz>
406 * invoke.texi (large-stack-frame, large-stack-frame-growth): New params.
407 * cgraph.c (dump_cgraph_node): Dump stack usage.
408 * cgraph.h (cgraph_local_info): Add estimated_self_stack_size.
409 (cgraph_global_info): Add estimated_stack_size and stack_frame_offset.
410 * cgraphunit.c (cgraph_analyze_function): Analyze stack sizes.
411 * ipa-inline.c (cgraph_clone_inlined_nodes): Propagate stack usage.
412 (cgraph_check_inline_limits): Limit stack growth.
413 * cfgexpand.c: Include tree-inline.h.
414 (account_stack_vars): New function.
415 (expand_one_var): New param to just account the stack; return estimated
417 (expand_used_vars_for_block): Update call of expand_one_var.
418 (account_used_vars_for_block): New function.
419 (estimated_stack_frame_size): Likewise.
420 (init_vars_expansion, fini_vars_expansion): Break out from..
421 (expand_used_vars): ... here.
422 * tree-inline.h (estimated_stack_frame_size): Declare.
423 * params.def (PARAM_LARGE_STACK_FRAME, PARAM_STACK_FRAME_GROWTH): New.
425 2006-11-28 Richard Guenther <rguenther@suse.de>
427 * ggc-page.c (ggc_print_statistics): Use %ul and a cast to
428 unsigned long for printing OBJECT_SIZE.
430 2006-11-27 Steven Bosscher <steven@gcc.gnu.org>
432 * alias.c (init_alias_analysis): Remove simplification loop
433 after propagating pointers.
435 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
437 * config/i386/i386.c (x86_ext_80387_constants): Add m_K8, m_CORE2
440 2006-11-27 Bob Wilson <bob.wilson@acm.org>
442 * config/xtensa/xtensa.h (XCHAL_HAVE_MUL32_HIGH): Provide default.
444 2006-11-27 Roger Sayle <roger@eyesopen.com>
445 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
447 * c-common.c (constant_fits_type_p): Delete.
448 (unsigned_conversion_warning): Delete.
449 (conversion_warning): Integrate Wconversion warning from
450 unsigned_conversion_warning.
451 (convert_and_check): Integrate Woverflow warning from
452 unsigned_conversion_warning. Reorganize and simplify to avoid
453 dependence upon the middle-end setting TREE_OVERFLOW on integral
454 conversions, by using int_fits_type_p directly.
456 2006-11-27 Tobias Burnus <burnus@net-b.de>
458 * doc/invoke.texi: Fixed typo.
460 2006-11-27 Michael Matz <matz@suse.de>
461 Andreas Krebbel <krebbel1@de.ibm.com>
464 * config/s390/predicates.md (larl_operand): Check addend of larl
465 operand to be in range of -/+2GB.
466 * config/s390/s390.c (legitimize_pic_address): Likewise.
467 Changed type of variable even to HOST_WIDE_INT.
469 2006-11-27 Jan Hubicka <jh@suse.cz>
471 * expr.c (emit_block_move_via_libcall): Export.
472 (clear_storage_via_libcall): Rename to ...
473 (set_storage_via_libcall): ... this one; handle arbitrary value to set.
474 (clear_storage): Update to set_storage_via_libcall.
475 * expr.h (emit_block_move_via_libcall): Declare
476 * config/i386/i386.h (stringop_alg): New enum.
477 (MAX_STRINGOP_ALGS): New constant.
478 (stringop_algs): New struct.
479 (processor_costs): Add memcpy/memset descriptors.
480 (TARGET_REP_MOVEL_OPTIMAL): Remove.
481 * config/i386/i386.md (movsi_insv_1_rex64): New pattern.
482 (strmovsi, strmovdi, strsetsi, strsetdi): Update; accept all operands
484 * config/i386/i386.opt (minline-stringops-dynamically,
485 mstringop-strategy): New
487 * config/i386/i386-prostos.h (ix86_expand_movmem): Update prototype.
488 (ix86_expand-clrmem): Rename to ...
489 (ix86_expand_setmem): ... this one; update prototype.
490 * config/i386/i386.c (DUMMY_STRINGOP_ALGS): New constant.
491 (size_cost, i386_cost, i486_cost, pentium_cost, pentiumpro_cost,
492 geode_cost, k6_cost, athlon_cost, k8_cost, pentium4_cost,
493 nocona_cost, core2_cost, generic_cost, generic64_cost,
494 generic32_cost): Add memcpy/memset descriptors.
495 (x86_rep_movl_optimal): Remove.
496 (stringop_alg): New static variable.
497 (ix86_expand_aligntest): Handle predictions.
498 (override_options): Add strgop_alg handling.
499 (predict_jump): New function.
500 (scale_counter): New function.
501 (expand_set_or_movmem_via_loop): New function.
502 (expand_movmem_via_rep_mov): New function.
503 (expand_setmem_via_rep_stots): New function.
504 (emit_strmov): New function.
505 (expand_movmem_epilogue): New function.
506 (expand_setmem_epilogue_via_loop): New function.
507 (expand_setmem_epilogue): New function.
508 (expand_movmem_prologue): New function.
509 (expand_setmem_prologue): New function.
510 (decide_alg): New function.
511 (decide_alignment): New function.
512 (ix86_exand_movmem): Rewrite.
513 (promote_duplicated_reg): New function.
514 (ix86_expand_clrmem): Rename to ...
515 (ix86_expand_setmem): ... this one. Rewrite.
517 * invoke.texi (minline-stringops-dynamically): New command line option.
518 (mstringop-strategy): Likewise.
520 2006-11-27 Jan Hubicka <jh@suse.cz>
522 * cfgexpand.c (construct_exit_block): Don't disturb end of last BB.
523 * rtl.texi (NOTE_INSN_FUNCTION_END): Remove.
524 * final.c (final_scan_insn): Don't scan NOTE_INSN_FUNCTION_END.
525 * insn-notes.def (FUNCTION_END): Remove.
526 * jump.c (delete_related_insns): Don't worry about FUNCTION_END.
527 (redicect_jump_2): Don't accept -1 parameter to remove FUNCTION_END
529 * ifcvt.c (dead_or_predictable): Update call of redirect_jump_2.
530 * function.c (expand_function_end): Don't emit NOTE_INSN_FUNCTION_END
531 * cfglayout.c (duplicate_insn_chain): Don't worry about
534 2006-11-27 Richard Guenther <rguenther@suse.de>
535 Zdenek Dvorak <dvorakz@suse.cz>
537 * target.h (struct gcc_target): Add builtin_vectorized_function
539 * target-def.h (TARGET_VECTORIZE): Likewise.
540 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION):
541 Document new target hook.
542 * targhooks.h (default_builtin_vectorized_function): Declare.
543 * targhooks.c (default_builtin_vectorized_function): Define.
544 * tree-vectorizer.h (stmt_vec_info_type): Add call_vec_info_type.
545 (vectorizable_call): Declare.
546 * tree-vect-analyze.c (vect_analyze_operations): Call
548 * tree-vect-transform.c (vectorizable_function): New static function.
549 (build_vectorized_function_call): Likewise.
550 (vectorizable_call): New function.
551 (vect_transform_stmt): Handle vectorizable calls.
553 2006-11-27 Richard Guenther <rguenther@suse.de>
556 * builtins.c (expand_builtin_pow): Optimize non integer valued
557 constant exponents using sqrt or cbrt if possible. Always fall back
558 to expanding via optabs.
560 2006-11-27 Ira Rosen <irar@il.ibm.com>
562 PR tree-optimization/22372
563 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Convert
564 the type of the base address.
565 (vect_create_data_ref_ptr): Add an argument, type of the data-ref. Use
566 it in the data-ref pointer creation.
567 (vect_init_vector): Add an argument, type of the init vector. Use it in
569 (vect_get_vec_def_for_operand): Fix calls to vect_init_vector.
570 (get_initial_def_for_reduction): Likewise.
571 (vect_create_epilog_for_reduction): Change type of MODIFY_EXPR to
573 (vectorizable_assignment, vect_permute_store_chain): Likewise.
574 (vectorizable_store): Fix call to vect_create_data_ref_ptr. Use the
575 correct type in stmt creation.
576 (vect_setup_realignment): Use the correct type in stmt creation.
577 (vect_permute_load_chain): Change type of MODIFY_EXPR to
579 (vectorizable_load): Fix calls to vect_create_data_ref_ptr. Change type
580 of MODIFY_EXPR to void_type_node.
581 (vectorizable_condition): Change type of MODIFY_EXPR to
583 (vect_update_ivs_after_vectorizer): Use the correct type in stmt
586 2006-11-27 Uros Bizjak <ubizjak@gmail.com>
589 2006-05-08 Uros Bizjak <uros@kss-loka.si>
590 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
591 standard 80387 constants, raise the cost to prevent
592 compress_float_constant() to generate load from memory.
594 * config/i386/i386.md: Add new splitter pattern to split
595 float_extended load of constant from constant pool into
598 2006-11-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
600 * doc/install.texi: Move GMP/MPFR configure options from Fortran
601 section to general section. Remove documentation for
602 --with-mpfr-dir and --with-gmp-dir, add documentation for
603 --with-mpfr-include, --with-mpfr-lib, --with-gmp-include and
606 * builtins.c (fold_builtin_fmin_fmax): Handle NaN arguments.
608 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
610 * testsuite/gcc.dg/ipa/ipa-6.c: New.
612 2006-11-26 Razya Ladklesky <razya@il.ibm.com>
614 PR tree-optimization/29122
615 * tree-inline.c (tree_function_versioning): Update DECL_ASSEMBLER_NAME
616 for the new version. Assign NULL to DECL_RTL of the new version.
618 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
620 * reg-stack.c (get_true_reg): Fix UNSPEC_TRUNC_NOOP handling.
622 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
624 * cse.c (cse_altered): Remove.
625 (record_jump_equiv): Make true/false argument a bool instead
627 (cse_insn): Don't set cse_altered. Use delete_insn_and_edges
628 where appropriate. Emit a new jump before the existing one
629 instead of after so that delete_insn_and_edges removes the
630 dead edges properly. Check any_condjump_p before calling
632 (cse_basic_block): Check any_condjump_p before calling
634 (cse_main): Don't set/check cse_altered. Remove USE_C_ALLOCA.
636 2006-11-25 Brooks Moses <brooks.moses@codesourcery.com>
638 * c.opt: Remove -ffixed-form, -ffixed-line-length-none, and
639 -ffixed-line-length-* options.
641 2006-11-25 Uros Bizjak <ubizjak@gmail.com>
643 * config/i386/i386.md (fpremxf4): Rename to fpremxf4_i387.
644 (fprem1xf4): Rename to fprem1xf4_i387.
646 (fmodsf3, fmoddf3): Macroize patterns using X87MODEF12 mode macro.
647 Rename patterns to fmod<mode>3. Use general_operand operand
648 constraint for operands 1 and 2. Use SSE_FLOAT_MODE_P to disable
649 patterns for SSE math.
650 (remaindersf3, remainderdf3): Ditto.
652 2006-11-25 Joseph Myers <joseph@codesourcery.com>
654 * function.c (instantiate_virtual_regs_in_insn): Call force_reg
655 inside start_sequence / end_sequence pair.
657 2006-11-25 Steven Bosscher <steven@gcc.gnu.org>
659 * jump.c (mark_all_labels): Work in cfglayout mode.
660 * cfgcleanup.c (cleanup_cfg): Do not call delete_dead_jumptables
661 when in cfglayout mode, because there are no dead jumptables
663 * cfgrtl.c (commit_one_edge_insertion): Don't set bb->aux when
665 (commit_edge_insertions): Do not allow insertion of instructions
666 with control flow insns when in cfglayout mode.
668 2006-11-25 Zdenek Dvorak <dvorakz@suse.cz>
670 * tree-vrp.c (execute_vrp): Do not pass loops structure through
672 * loop-unswitch.c (unswitch_loops, unswitch_single_loop,
673 unswitch_loop): Ditto.
674 * tree-loop-linear.c (linear_transform_loops): Ditto.
675 * tree-ssa-loop-im.c (determine_lsm, tree_ssa_lim_initialize,
676 tree_ssa_lim): Ditto.
677 * tree-ssa-loop-niter.c (estimate_numbers_of_iterations,
678 free_numbers_of_iterations_estimates): Ditto.
679 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops,
680 tree_unswitch_single_loop, tree_unswitch_loop): Ditto.
681 * cfgloopmanip.c (fix_bb_placement, fix_bb_placements,
682 remove_path, add_loop, loopify, unloop, fix_loop_placements,
683 place_new_loop, duplicate_loop, duplicate_subloops,
684 update_single_exit_for_duplicated_loops, copy_loops_to,
685 duplicate_loop_to_header_edge, create_preheaders,
686 force_single_succ_latches, loop_version, fix_loop_structure):
688 * tree-ssa-loop-manip.c (tree_duplicate_loop_to_header_edge,
689 tree_unroll_loop): Ditto.
690 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
691 * tree-scalar-evolution.c (select_loops_exit_conditions,
692 scev_initialize, scev_analysis): Ditto.
693 * tree-scalar-evolution.h (scev_initialize): Ditto.
694 * cfghooks.c (cfg_hook_duplicate_loop_to_header_edge): Ditto.
695 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
696 * tree-ssa-loop-ivopts.c (tree_ssa_iv_optimize): Ditto.
697 * modulo-sched.c (sms_schedule): Ditto.
698 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
699 * loop-init.c (loop_optimizer_init, rtl_move_loop_invariants,
700 rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): Ditto.
701 * ifcvt.c (if_convert): Ditto.
702 * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely,
703 canonicalize_loop_induction_variables,
704 canonicalize_induction_variables,
705 tree_unroll_loops_completely, remove_empty_loops): Ditto.
706 * tree-ssa-loop.c (tree_ssa_loop_init, tree_ssa_loop_im,
707 tree_ssa_loop_unswitch, tree_vectorize, tree_linear_transform,
708 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
709 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts,
710 tree_ssa_loop_done): Ditto.
711 * predict.c (predict_loops, tree_estimate_probability, estimate_loops,
712 estimate_bb_frequencies): Ditto.
713 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
714 slpeel_tree_peel_loop_to_edge, vectorize_loops): Ditto.
715 * loop-unroll.c (unroll_and_peel_loops, peel_loops_completely,
716 decide_unrolling_and_peeling, peel_loop_completely,
717 unroll_loop_constant_iterations, unroll_loop_runtime_iterations,
718 peel_loop_simple, unroll_loop_stupid): Ditto.
719 * loop-doloop.c (doloop_optimize_loops): Ditto.
720 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Ditto.
721 * loop-invariant.c (move_loop_invariants): Ditto.
722 * tree-ssa-dce.c (tree_ssa_dce_loop): Ditto.
723 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays,
724 tree_ssa_prefetch_arrays): Ditto.
725 * lambda-code.c (gcc_loopnest_to_lambda_loopnest, perfect_nestify):
727 * tree-vect-transform.c (vect_do_peeling_for_loop_bound,
728 vect_do_peeling_for_alignment, vect_transform_loop): Ditto.
729 * cfgloop.c (flow_loops_cfg_dump, flow_loops_dump,
730 mark_single_exit_loops, cancel_loop, cancel_loop_tree,
731 verify_loop_structure): Ditto.
732 * tree-flow.h (vectorize_loops, tree_ssa_lim, tree_ssa_unswitch_loops,
733 canonicalize_induction_variables, tree_unroll_loops_completely,
734 tree_ssa_prefetch_arrays, remove_empty_loops, tree_ssa_iv_optimize,
735 estimate_numbers_of_iterations, free_numbers_of_iterations_estimates,
736 tree_duplicate_loop_to_header_edge, tree_ssa_loop_version,
737 tree_unroll_loop, linear_transform_loops): Declaration changed.
738 * basic-block.h: Remove declaration of struct loops.
739 * cfghooks.h (struct cfg_hooks): Change type of
740 cfg_hook_duplicate_loop_to_header_edge.
741 (cfg_hook_duplicate_loop_to_header_edge): Declaration changed.
742 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge,
743 vect_transform_loop): Declaration changed.
744 * lambda.h (gcc_loopnest_to_lambda_loopnest): Declaration changed.
745 * cfgloop.h (flow_loops_dump, fix_loop_structure,
746 mark_irreducible_loops, mark_single_exit_loops, mark_loop_exit_edges,
747 cancel_loop_tree, create_preheaders, force_single_succ_latches,
748 verify_loop_structure, duplicate_loop, duplicate_loop_to_header_edge,
749 loopify, loop_version, remove_path, unswitch_loops,
750 unroll_and_peel_loops, doloop_optimize_loops, move_loop_invariants):
753 2006-11-24 Uros Bizjak <ubizjak@gmail.com>
755 * config/i386/i386.md (UNSPEC_TRUNC_NOOP): New unspec definition.
756 (X87MODEF): New mode macro.
757 (ssemodefsuffix): New mode attribute.
758 (truncxf<mode>2_i387_noop_unspec): New insn pattern.
759 (sqrt_extend<mode>xf2_i387): New insn pattern.
760 (sqrt<mode>2): For non-SSE sqrt, emit sqrt_extend<mode>xf2_i387
761 insn and truncate result back to original mode using
762 UNSPEC_TRUNC_NOOP truncation.
763 (*sqrt<mode>2_sse): Implement using SSEMODEF mode macro and
764 ssemodefsuffix mode attribute.
765 (*sqrtsf2_mixed, *sqrtsf2_i387, *sqrtdf2_mixed, *sqrtdf2_i387)
766 (*sqrtextendsfdf2_i387, *sqrtextendsfxf2_i387)
767 (*sqrtextenddfxf2_i387): Remove insn patterns.
769 (fmodsf3, fmoddf3, remaindersf3, remainderdf3): Use noop
772 * reg-stack.c (get_true_reg): Handle UNSPEC_TRUNC_NOOP.
774 2006-11-24 Jakub Jelinek <jakub@redhat.com>
777 * c-tree.h (c_maybe_initialize_eh): New prototype.
778 * c-decl.c (finish_decl): Move EH initialization...
779 (c_maybe_initialize_eh): ... here. New function.
780 * c-parser.c (c_parser_omp_construct): Call c_maybe_initialize_eh
781 if not #pragma omp atomic.
784 * c-common.c (handle_vector_size_attribute): Disallow VECTOR_TYPE
785 or UNION_TYPE inner types.
787 2006-11-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
790 * ipa-pure-const.c (check_tree): If the original tree
791 is volatile return early and say the function is not pure
792 nor const. Remove the volatile check for writes.
793 (analyze_function): Print out the result of the local
796 2006-11-24 Joseph Myers <joseph@codesourcery.com>
798 * config/rs6000/eabispe.h (TARGET_DEFAULT): Include
800 * config/rs6000/linuxspe.h (TARGET_DEFAULT): Likewise.
801 * config/rs6000/rs6000.c (rs6000_override_options): Use
802 MASK_STRICT_ALIGN for 8540 and 8548. Add MASK_STRICT_ALIGN to
805 2006-11-24 Andreas Krebbel <krebbel1@de.ibm.com>
807 * config/s390.c (s390_emit_compare_and_swap): New function.
808 (s390_expand_cs_hqi, s390_expand_atomic): Call
809 s390_emit_compare_and_swap.
811 2006-11-23 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
813 * pa.c (return_addr_rtx): Change 0xe0400002 to -532676606.
815 2006-11-24 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
819 * c-common.c (conversion_warning): New.
820 (convert_and_check): Call conversion_warning unless there is an
822 * doc/invoke.texi (-Wconversion): Update description.
824 2006-11-23 Daniel Berlin <dberlin@dberlin.org>
826 * tree-ssa-alias.c (tree_pointer_compare): New function.
827 (compact_name_tags): New function.
828 (group_aliases): Call compact_name_tags.
830 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
832 * real.h (real_isinteger): Declare.
833 * real.c (real_isinteger): Define.
834 * builtins.c (integer_valued_real_p): Use it.
836 2006-11-23 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
839 * c.opt (Wtraditional-conversion): New.
840 (Wconversion): Update description.
841 * c-typeck.c (convert_arguments): Warnings for prototypes causing
842 type conversions different from what would happen in the absence
843 of prototype are now handled by Wtraditional-conversion.
844 * doc/invoke.texi (Wtraditional-conversion): New.
845 (Wconversion): Update description.
846 * doc/trouble.texi (Wconversion): Replace Wconversion by
847 Wtraditional-conversion.
849 2006-11-23 Andrew Pinski <pinskia@gmail.com>
851 * predict.c (tree_estimate_probability): Check to make
852 sure current_loops is non null before calling flow_loops_dump.
854 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
856 * var-tracking.c (emit_note_insn_var_location): Revert previous patch.
858 2006-11-23 David Ung <davidu@mips.com>
860 * config/mips/mips.h (ISA_HAS_FP4): Add MIPS32R2 + 64bit fpu
862 (ISA_HAS_MXHC1): True if ISA supports mfhc1 and mthc1 opcodes.
863 (ASM_SPEC): Pass along -mfp32 and -mfp64.
864 * config/mips/mips.c (mips_split_64bit_move): Use gen_mthc1 to set
865 high part of FP register when in 64-bit FP register mode. Similarly
866 use gen_mfhc1 to load high part of FP register.
867 (override_options): Allow -mgp32 and -mfp64 combination if
868 ISA_HAS_MXHC1 (currently for O32 only).
869 (mips_cannot_change_mode_class): If floating-point registers are
870 bigger than word size. disallow conversion of float register from a
871 large integer mode to a float mode smaller than the float register
873 (mips_class_max_nregs): Handle float registers case seperately.
874 * config/mips/mips.md (define_constants): Add UNSPEC_MFHC1,
876 (movdi_32bit): Use !TARGET_FLOAT64 in condition pattern.
877 (movdf_hardfloat_32bit): Similarly.
878 (movdi_gp32_fp64): New DImode pattern for MIPS32R2 which optionally
879 support a full 64-bit fpu.
880 (mthc1): New pattern to generate MTHC1 instruction.
881 (mfhc1): New pattern to generate MFHC1 instruction.
882 * doc/invoke.texi (MIPS Options): Document the -mgp32 -mfp64
883 option for the MIPS32R2 and mention its use under O32 ABI.
885 2006-11-23 Bernd Schmidt <bernd.schmidt@analog.com>
887 * var-tracking.c (emit_note_insn_var_location): Take care not to
888 cause verify_flow_info failures.
890 2006-11-22 Daniel Berlin <dberlin@dberlin.org>
892 * tree-ssa-structalias.c: Remove edge weights in favor of just
893 processing them as complex constraints.
894 (struct constraint_graph): Remove weighted succs and preds. Rename
895 nonweighted succs and preds.
896 (constraint_edge): Removed.
897 (constraint_edge_t): Ditto.
898 (constraint_edge_pool): Ditto.
899 (new_constraint_edge): Ditto.
900 (constraint_edge_equal): Ditto.
901 (constraint_edge_less): Ditto.
902 (constraint_edge_vec_find): Ditto.
903 (erase_self_graph_edge): Ditto.
904 (add_graph_edge): Removed.
905 (get_graph_weights): Ditto.
906 (allocate_graph_weights): Ditto.
907 (valid_weighted_graph_edge): Ditto
908 (bitmap_other_than_zero_bit_set): Ditto.
909 (int_add_graph_edge): Renamed to add_graph_edge.
910 (clear_edges_for_node): Remove support for weighted edges.
911 (merge_graph_nodes): Ditto.
912 (valid_graph_edge): Ditto.
913 (build_constraint_graph): Ditto.
915 (collapse_nodes): Ditto.
916 (process_unification_queue): Ditto.
918 (do_ds_constraint): Ditto.
919 (perform_var_subsitution): Ditto.
920 (solve_graph): Ditto.
921 (init_alias_vars): Ditto.
922 (delete_points_to_sets): Ditto.
923 (do_complex_constraint): Support offsetted copies here.
925 2006-11-23 Ulrich Weigand <uweigand@de.ibm.com>
927 * config/spu/spu_intrinsics.h (SPU_RdEventStatMask): Rename to
929 * config/spu/spu_mfcio.h (spu_read_event_mask): Update.
931 * config/spu/spu_mfcio.h (struct mfc_list_element): Change width
934 2006-11-23 Ben Elliston <bje@au.ibm.com>
936 * config/spu/spu-elf.h (LIB_SPEC): Do not link with -lc_p.
938 2006-11-23 Zdenek Dvorak <dvorakz@suse.cz>
940 PR tree-optimization/29921
941 * fold-const.c (operand_equal_p): Without HONOR_SIGNED_ZEROS, consider
942 signed and unsigned zero equal.
944 2006-11-22 Peter Bergner <bergner@vnet.ibm.com>
946 * config/rs6000/rs6000.c (get_store_dest): New.
947 (adjacent_mem_locations): Use get_store_dest() to get
948 the rtl of the store destination.
950 2006-11-22 Joseph Myers <joseph@codesourcery.com>
952 * config/rs6000/spe.md (SPE64): New mode macro.
953 (mov_sidf_e500_subreg0): Change to mov_si<mode>_e500_subreg0. Add
955 (mov_si<mode>_e500_subreg0_2): New.
956 (mov_sidf_e500_subreg4): Change to mov_si<mode>_e500_subreg4. Add
958 (mov_si<mode>_e500_subreg4_2): New.
959 * config/rs6000/predicates.md (input_operand): Do not allow
960 invalid E500 subregs.
961 (rs6000_nonimmediate_operand): Check for invalid E500 subregs also
963 * config/rs6000/rs6000.c (invalid_e500_subreg): Check for subregs
964 involving DFmode if TARGET_E500_DOUBLE. Check for subregs
965 involving vector modes if TARGET_SPE.
967 2006-11-22 Kaz Kojima <kkojima@gcc.gnu.org>
970 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
971 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
973 2006-11-22 Bernd Schmidt <bernd.schmidt@analog.com>
975 * config/bfin/predicates.md (d_register_operand, mem_p_address_operand,
976 mem_i_address_operand): New predicates.
977 * config/bfin/bfin.c (bfin_issue_rate): New function.
978 (TARGET_SCHED_ISSUE_RATE): New macro.
979 * config/bfin/bfin.md (addrtype): New attribute.
980 (slot0, slot1, slot2, store, pregs): New cpu_units.
981 (core): Now a define_reservation.
982 (alu): Remove some insn types from this reservation.
983 (dsp32, load32, loadp, loadi, store32, storep, storei, multi): New
985 (dummy reservation): Don't trigger for mcld insns.
986 (absence_sets): Two new absence sets to enforce slot ordering.
987 (popsi_insn): Set addrtype.
989 2006-11-22 Ira Rosen <irar@il.ibm.com>
991 * doc/c-tree.texi: Document new tree codes.
992 * doc/md.texi: Document new optabs.
993 * tree-pretty-print.c (dump_generic_node): Handle print of new tree
995 * optabs.c (optab_for_tree_code, init_optabs): Handle new optabs.
996 * optabs.h (optab_index): Add new.
997 (vec_extract_even_optab, vec_extract_odd_optab,
998 vec_interleave_high_optab, vec_interleave_low_optab): New optabs.
999 * genopinit.c (vec_extract_even_optab, vec_extract_odd_optab,
1000 vec_interleave_high_optab, vec_interleave_low_optab): Initialize
1002 * expr.c (expand_expr_real_1): Add implementation for new tree codes.
1003 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
1004 * tree-vectorizer.h (stmt_vec_info): Add new fields for interleaving
1005 along with macros for their access.
1006 * tree-data-ref.h (first_location_in_loop, data_reference): Update
1008 * tree-vect-analyze.c (toplev.h): Include.
1009 (vect_determine_vectorization_factor): Fix indentation.
1010 (vect_insert_into_interleaving_chain,
1011 vect_update_interleaving_chain, vect_equal_offsets): New functions.
1012 (vect_analyze_data_ref_dependence): Add argument for interleaving
1013 check. Check for interleaving if it's true.
1014 (vect_check_dependences): New function.
1015 (vect_analyze_data_ref_dependences): Call vect_check_dependences for
1016 every ddr. Call vect_analyze_data_ref_dependence with new argument.
1017 (vect_update_misalignment_for_peel): Update for interleaving.
1018 (vect_verify_datarefs_alignment): Check only first data-ref for
1020 (vect_enhance_data_refs_alignment): Update for interleaving. Check
1021 only first data-ref for interleaving.
1022 (vect_analyze_data_ref_access): Check interleaving, update
1024 (vect_analyze_data_refs): Call compute_data_dependences_for_loop
1025 with different parameters.
1026 * tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR,
1027 VEC_INTERLEAVE_HIGH_EXPR, VEC_INTERLEAVE_LOW_EXPR): New tree codes.
1028 * tree-inline.c (estimate_num_insns_1): Add cases for new codes.
1029 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
1030 Update step in case of interleaving.
1031 (vect_strided_store_supported, vect_permute_store_chain): New
1033 (vectorizable_store): Handle strided stores.
1034 (vect_strided_load_supported, vect_permute_load_chain,
1035 vect_transform_strided_load): New functions.
1036 (vectorizable_load): Handle strided loads.
1037 (vect_transform_stmt): Add argument. Handle strided stores. Check
1038 that vectorized stmt exists for patterns.
1039 (vect_gen_niters_for_prolog_loop): Update calculation for
1041 (vect_transform_loop): Remove stmt_vec_info for strided stores after
1042 whole chain vectorization.
1043 * config/rs6000/altivec.md (UNSPEC_EXTEVEN, UNSPEC_EXTODD,
1044 UNSPEC_INTERHI, UNSPEC_INTERLO): New constants.
1045 (vpkuhum_nomode, vpkuwum_nomode, vec_extract_even<mode>,
1046 vec_extract_odd<mode>, altivec_vmrghsf, altivec_vmrglsf,
1047 vec_interleave_high<mode>, vec_interleave_low<mode>): Implement.
1049 2006-11-22 Steven Bosscher <steven@gcc.gnu.org>
1051 * cse.c (enum taken): Remove PATH_AROUND.
1052 (addr_affects_sp_p, invalidate_skipped_set,
1053 invalidate_skipped_block): Remove.
1054 (cse_end_of_basic_block): Remove skip_blocks and related code.
1055 (cse_main): Don't test for flag_cse_skip_blocks.
1056 Update cse_end_of_basic_block call.
1057 (cse_basic_block): Likewise. Remove PATH_AROUND case. Remove
1058 code to lengthen the path if a jump was simplified.
1060 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1062 PR rtl-optimization/29924
1063 * loop-unroll.c (split_edge_and_insert): Handle the case insns is NULL.
1064 (unroll_loop_runtime_iterations): Assert that the argument passed to
1065 split_edge_and_insert is not NULL.
1066 * loop-doloop.c (add_test): Ditto.
1068 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1070 * tree-loop-linear.c (linear_transform_loops): Use single_exit accessor
1072 * tree-ssa-loop-niter.c (loop_only_exit_p): Ditto.
1073 * cfgloopmanip.c (update_single_exits_after_duplication,
1074 update_single_exit_for_duplicated_loop, loop_version): Ditto.
1075 * tree-scalar-evolution.c (get_loop_exit_condition,
1076 get_exit_conditions_rec, loop_closed_phi_def,
1077 number_of_iterations_in_loop, scev_const_prop): Ditto.
1078 * tree-ssa-loop-ivopts.c (single_dom_exit): Ditto.
1079 * modulo-sched.c (generate_prolog_epilog, loop_canon_p, sms_schedule):
1081 * tree-ssa-loop-ivcanon.c (canonicalize_loop_induction_variables):
1083 * tree-vectorizer.c (slpeel_update_phis_for_duplicate_loop,
1084 slpeel_update_phi_nodes_for_guard1, slpeel_update_phi_nodes_for_guard2,
1085 slpeel_make_loop_iterate_ntimes,
1086 slpeel_tree_duplicate_loop_to_edge_cfg, slpeel_can_duplicate_loop_p,
1087 slpeel_verify_cfg_after_peeling, slpeel_tree_peel_loop_to_edge):
1089 * tree-if-conv.c (if_convertible_loop_p): Ditto.
1090 * tree-vect-analyze.c (vect_analyze_operations, vect_stmt_relevant_p,
1091 vect_analyze_loop_form): Ditto.
1092 * lambda-code.c (lambda_loopnest_to_gcc_loopnest, exit_phi_for_loop_p,
1093 can_convert_to_perfect_nest, perfect_nestify): Ditto.
1094 * tree-vect-transform.c (vect_create_epilog_for_reduction,
1095 vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
1096 vect_transform_loop): Ditto.
1097 * cfgloop.c (mark_single_exit_loops, verify_loop_structure): Ditto.
1098 (single_exit, set_single_exit): New functions.
1099 * cfgloop.h (struct loop): Rename single_exit field to single_exit_.
1100 (single_exit, set_single_exit): Declare.
1101 * doc/loop.texi: Undocument single_exit field. Document single_exit
1104 2006-11-22 Zdenek Dvorak <dvorakz@suse.cz>
1106 PR tree-optimization/29902
1107 * tree-ssa-loop-manip.c (can_unroll_loop_p): Return false if
1108 any involved ssa name appears in abnormal phi node.
1110 2006-11-21 Bob Wilson <bob.wilson@acm.org>
1112 * config/xtensa/xtensa.c (xtensa_char_to_class): Delete.
1113 (xtensa_const_ok_for_letter_p): Delete.
1114 (xtensa_extra_constraint): Delete.
1115 (override_options): Delete xtensa_char_to_class initialization.
1116 * config/xtensa/xtensa.h (REG_CLASS_FROM_LETTER): Delete.
1117 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
1118 (EXTRA_CONSTRAINT): Delete.
1119 * config/xtensa/xtensa.md: Include constraints.md.
1120 (call_internal): Combine alternatives.
1121 (call_value_internal): Likewise, and remove invalid constraints.
1122 * config/xtensa/constraints.md: New file.
1123 * config/xtensa/xtensa-protos.h (xtensa_const_ok_for_letter_p): Delete.
1124 (xtensa_extra_constraint): Delete.
1125 * doc/md.texi (Machine Constraints): Refer to constraints.md for
1128 2006-11-21 Janis Johnson <janis187@us.ibm.com>
1130 * config/dfp-bits.c (DFP_TO_INT): Remove code to saturate result
1131 of conversion that doesn't fit.
1133 * config/dfp-bit.h (CONTEXT_TRAPS, CONTEXT_ERRORS, DFP_RAISE): Delete.
1134 * config/dfp-bit.c (dfp_unary_op, dfp_binary_op, dfp_compare_op,
1135 DFP_TO_DFP, INT_TO_DFP, BFP_TO_DFP): Remove calls to DFP_RAISE.
1137 * config/dfp-bit.c (dfp_binary_func): Fix typedef.
1139 2006-11-21 Douglas Gregor <doug.gregor@gmail.com>
1141 * c-common.h (enum rid): Add RID_STATIC_ASSERT.
1143 2006-11-21 Richard Guenther <rguenther@suse.de>
1145 * tree-vectorizer.h (NUM_PATTERNS): Increase.
1146 * tree-vect-patterns.c (vect_vect_recog_func_ptrs): Add
1147 vect_recog_pow_pattern.
1148 (vect_recog_pow_pattern): New function.
1150 2006-11-21 Bernd Schmidt <bernd.schmidt@analog.com>
1152 * config/bfin/bfin.opt (mstack-check-l1): New.
1153 * doc/invoke.texi (Blackfin Options): Document it.
1154 * config/bfin/bfin.c (bfin_expand_prologue): Generate code to use
1155 stack bounds in L1 memory if the new option is enabled.
1156 (override_options): Don't allow combinations of -fstack-limit and
1158 (add_to_reg): Renamed from add_to_sp. All callers changed. Lose some
1161 * config/bfin/bfin.c (hard_regno_mode_ok): Only allow first 31
1163 (bfin_register_move_cost): Bump costs if trying to move plain
1164 integer values through accumulators.
1166 2006-11-21 Ben Elliston <bje@au.ibm.com>
1168 * config/spu/spu.c (spu_expand_vector_init): Initialise x.
1170 2006-11-20 Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>
1171 Russell Olsen <Russell_Olsen@playstation.sony.com>
1172 Dmitri Makarov <Dmitri_Makarov@playstation.sony.com>
1173 Yukishige Shibata <shibata@rd.scei.sony.co.jp>
1174 Nobuhisa Fujinami <fnami@rd.scei.sony.co.jp>
1175 Takeaki Fukuoka <fukuoka@rd.scei.sony.co.jp>
1176 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
1178 * config.gcc: Add target for SPU.
1179 * config/spu/constraints.md: New file.
1180 * config/spu/crt0.c: New file.
1181 * config/spu/crtend.c: New file.
1182 * config/spu/crti.asm: New file.
1183 * config/spu/crtn.asm: New file.
1184 * config/spu/float_unsdidf.c: New file.
1185 * config/spu/float_unssidf.c: New file.
1186 * config/spu/predicates.md: New file.
1187 * config/spu/spu-builtins.def: New file.
1188 * config/spu/spu-builtins.h: New file.
1189 * config/spu/spu-builtins.md: New file.
1190 * config/spu/spu-c.c: New file.
1191 * config/spu/spu-elf.h: New file.
1192 * config/spu/spu-modes.def: New file.
1193 * config/spu/spu-protos.h: New file.
1194 * config/spu/spu.c: New file.
1195 * config/spu/spu.h: New file.
1196 * config/spu/spu.md: New file.
1197 * config/spu/spu.opt: New file.
1198 * config/spu/spu_internals.h: New file.
1199 * config/spu/spu_intrinsics.h: New file.
1200 * config/spu/spu_mfcio.h: New file.
1201 * config/spu/t-spu-elf: New file.
1202 * config/spu/vec_types.h: New file.
1203 * config/spu/vmx2spu.h: New file.
1204 * doc/contrib.texi: Document SPU contributor.
1205 * doc/extend.texi: Document SPU extensions.
1206 * doc/invoke.texi: Document SPU options.
1207 * doc/md.texi: Document SPU constraints.
1209 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1211 * cfgloopmanip.c (add_loop, duplicate_loop): Do not set level
1213 * cfgloop.c (flow_loop_level_compute, flow_loops_level_compute):
1215 (flow_loop_dump): Do not dump loop level.
1216 (flow_loops_find): Do not call flow_loops_level_compute.
1217 * cfgloop.h (struct loop): Remove level field.
1219 2006-11-21 Zdenek Dvorak <dvorakz@suse.cz>
1221 * tree-ssa-loop-im.c (schedule_sm, determine_lsm_ref,
1222 hoist_memory_references, loop_suitable_for_sm, determine_lsm_loop):
1223 Use vector of edges instead of array.
1224 * tree-ssa-loop-niter.c (find_loop_niter, find_loop_niter_by_eval,
1225 estimate_numbers_of_iterations_loop): Ditto.
1226 * predict.c (predict_loops): Ditto.
1227 * loop-unroll.c (analyze_insns_in_loop): Ditto.
1228 * tree-ssa-threadupdate.c: Remove declaration of heap allocation for
1230 * basic-block.h: Declare heap allocation for edge vectors.
1231 * tree-outof-ssa.c: Ditto.
1232 * cfgloop.c (get_loop_exit_edges): Return vector of edges.
1233 * cfgloop.h (get_loop_exit_edges): Declaration changed.
1235 2006-11-20 Zack Weinberg <zackw@panix.com>
1237 * gengtype.c (process_gc_options): Remove unnecessary forward decl.
1238 Add another out parameter, "skip".
1239 (set_gc_used_type): Adjust calls to process_gc_options. If a field
1240 is tagged "skip", do not mark its type used.
1242 2006-11-20 Andrew Pinski <andrew_pinski@playstation.sony.com>
1245 * tree-sra.c (single_scalar_field_in_record_p): New function.
1246 (decide_block_copy): Use it.
1248 2006-11-20 David Daney <ddaney@avtrex.com>
1250 * config/mips/linux-unwind.h (mips_fallback_frame_state): Adjust
1251 PC to point to following instruction.
1253 2006-11-20 Anatoly Sokolov <aesok@post.ru>
1257 * config/avr/avr.h (OBJECT_FORMAT_ELF): Define.
1259 * config/avr/avr.h (DWARF2_DEBUGGING_INFO): Define.
1261 2006-11-20 J"orn Rennecke <joern.rennecke@st.com>
1263 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
1264 Add sh/superh.h to tm_file.
1266 2006-11-20 Carlos O'Donell <carlos@codesourcery.com>
1267 Mark Mitchell <mark@codesourcery.com>
1269 * cppdefault.c: Define cpp_PREFIX, cpp_PREFIX_len, and
1271 (cpp_relocated): New function.
1272 * cppdefault.h: Declare cpp_PREFIX, cpp_PREFIX_len, gcc_exec_prefix
1274 * Makefile.in (PREPROCESSOR_DEFINES): Add -DPREFIX option.
1275 * c-incpath.c (add_standard_paths): Call cpp_relocated. If relocated,
1276 replace configured prefix with gcc_exec_prefix.
1278 2006-11-20 Bernd Schmidt <bernd.schmidt@analog.com>
1280 * config/bfin/bfin.h (LEGITIMATE_CONSTANT_P): Call
1281 bfin_legitimate_constant_p.
1282 * config/bfin/bfin.md (movsi expander): Check return value of
1284 * config/bfin/bfin-protos.h (bfin_legitimate_constant_p): Declare.
1285 (expand_move): Adjust prototype.
1286 * config/bfin/bfin.c (expand_move): Now returns bool. Handle
1287 invalid constants specially.
1288 (bfin_cannot_force_const_mem, bfin_legitimate_constant_p): New
1290 (TARGET_CANNOT_FORCE_CONST_MEM): New macro.
1292 * config/bfin/bfin.md (call_symbol, call_value_symbol, sibcall_symbol,
1293 sibcall_value_symbol): Allow these patterns if
1294 TARGET_LEAF_ID_SHARED_LIBRARY.
1295 * config/bfin/bfin.c (bfin_expand_call): Allow them here as well.
1296 (override_options): Turn on id shared library flags if -msep-data,
1297 but disallow the combination of these options on the command line.
1298 * config/bfin/bfin.h (TARGET_LEAF_ID_SHARED_LIBRARY, MASK_SEP_DATA
1299 MASK_LEAF_ID_SHARED_LIBRARY, TARGET_SEP_DATA): New macros.
1300 (DRIVER_SELF_SPECS): -mleaf-id-shared-library implies
1301 -mid-shared-library.
1302 (TARGET_SWITCHES): Add -mleaf-id-shared-library and -msep-data.
1303 * doc/invoke.texi (Blackfin Options): Document new switches.
1305 * config/bfin/bfin.c (bfin_function_ok_for_sibcall): Handle some
1306 edge cases with local functions and TARGET_ID_SHARED_LIBRARY.
1308 * tree-ssa-loop-ivopts.c (get_address_cost): Do not artificially
1309 inflate costs for addresses with an out-of-bounds address.
1311 2006-11-19 Andrew Pinski <pinskia@gmail.com>
1314 * fwprop.c (loops): Remove.
1315 (forward_propagate_into): Use current_loops instead of
1317 (fwprop_init): Call loop_optimizer_init instead of
1319 (fwprop_done): Call loop_optimizer_finalize instead of
1321 (fwprop): Use current_loops instead of loops.
1323 2006-11-19 Gabriel Dos Reis <gdr@integrable-solutions.net>
1326 * c-opts.c (c_common_handle_option): Enable -Wwrite-strings if -Wall.
1328 2006-11-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1331 * pa.c (emit_move_sequence): Don't split constants with PLUS for modes
1332 larger than BITS_PER_WORD.
1334 2006-11-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1338 * stor-layout.c (set_sizetype): Limit precision of *bitsizetypes types
1339 to MAX_FIXED_MODE_SIZE.
1341 2006-11-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1343 * builtins.c (integer_valued_real_p): Handle fmin/fmax.
1344 (fold_builtin_fmin_fmax): New.
1345 (fold_builtin_1): Use it.
1347 * fold-const.c (fold_strip_sign_ops): Handle copysign.
1349 2006-11-18 Richard Guenther <rguenther@suse.de>
1351 * config/i386/i386.c (ix86_builtins): New array for ix86
1352 builtin function decls.
1353 (def_builtin): New function.
1354 (def_builtin_const): Likewise.
1355 (ix86_init_mmx_sse_builtins): Mark sqrt and cvt builtins const.
1357 2006-11-18 Vladimir Makarov <vmakarov@redhat.com>
1359 * doc/invoke.texi (core2): Add item.
1361 * config/i386/i386.h (TARGET_CORE2, TARGET_CPU_DEFAULT_core2): New
1363 (TARGET_CPU_CPP_BUILTINS): Add code for core2.
1364 (TARGET_CPU_DEFAULT_generic): Change value.
1365 (TARGET_CPU_DEFAULT_NAMES): Add core2.
1366 (processor_type): Add new constant PROCESSOR_CORE2.
1368 * config/i386/i386.md (cpu): Add core2.
1370 * config/i386/i386.c (core2_cost): New initialized variable.
1371 (m_CORE2): New macro.
1372 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
1373 x86_deep_branch, x86_partial_reg_stall, x86_use_simode_fiop,
1374 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
1375 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
1376 x86_partial_reg_dependency, x86_memory_mismatch_stall,
1377 x86_accumulate_outgoing_args, x86_prologue_using_move,
1378 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
1379 x86_sse_partial_reg_dependency, x86_rep_movl_optimal,
1380 x86_use_incdec, x86_four_jump_limit, x86_schedule,
1381 x86_pad_returns): Add m_CORE2.
1382 (override_options): Add entries for Core2.
1383 (ix86_issue_rate): Add case for Core2.
1385 2006-11-18 Aldy Hernandez <aldyh@redhat.com>
1387 * doc/invoke.texi: Fix mno-isel typo.
1389 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1391 * config/rs6000/spe.md (movv4hi_internal): Add alternative for
1392 easy vector constant loads.
1394 2006-11-18 Joseph Myers <joseph@codesourcery.com>
1396 * config/rs6000/rs6000.h (TARGET_NO_LWSYNC): Define.
1397 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
1398 __NO_LWSYNC__ if TARGET_NO_LWSYNC.
1399 * config/rs6000/sync.md (lwsync): Emit plain sync if
1402 2006-11-17 DJ Delorie <dj@redhat.com>
1404 * reload1.c (reloads_unique_chain): New.
1405 (reloads_conflict): Call it.
1407 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1409 * config/xtensa/predicates.md (addsubx_operand): New.
1410 * config/xtensa/xtensa.c (xtensa_emit_branch): New.
1411 (xtensa_emit_bit_branch): New.
1412 (xtensa_emit_movcc): New.
1413 * config/xtensa/xtensa.md (any_minmax): New code macro.
1414 (minmax): New code attribute.
1415 (any_cond, any_scc, any_scc_sf): New code macros.
1416 (*addx2, *addx4, *addx8): Delete.
1418 (*subx2, *subx4, *subx8): Delete.
1420 (sminsi3, uminsi3, smaxsi3, umaxsi3): Use any_minmax macro.
1421 (beq, bne, bgt, bge, blt, ble, bgtu, bgeu, bltu, bleu): Use any_cond.
1422 (*btrue, *bfalse, *ubtrue, *ubfalse): Use xtensa_emit_branch.
1423 (*bittrue, *bitfalse): Use xtensa_emit_bit_branch.
1424 (seq, sne, sgt, sge, slt, sle): Use any_scc macro.
1425 (movsicc_internal0, movsicc_internal1): Use xtensa_emit_movcc.
1426 (movsfcc_internal0, movsfcc_internal1): Likewise.
1427 (seq_sf, slt_sf, sle_sf): Use any_scc_sf macro.
1428 * config/xtensa/xtensa-protos.h: (xtensa_emit_branch): New.
1429 (xtensa_emit_bit_branch): New.
1430 (xtensa_emit_movcc): New.
1431 (function_arg_boundary): Add missing prototype.
1433 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1435 * config/xtensa/xtensa.md (tstsi): Delete
1437 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1439 * config/xtensa/xtensa.md (entry): Do not emit .frame directive.
1441 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1443 * config/xtensa/elf.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
1445 2006-11-17 Bob Wilson <bob.wilson@acm.org>
1447 * config/xtensa/lib1funcs.asm (__umulsidi3): Restore a0 on exit.
1449 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1451 * tree-vrp.c (execute_vrp): Do not update current_loops.
1452 * loop-unswitch.c (unswitch_loop): Do not use loop_split_edge_with.
1453 * doc/loop.texi: Remove documentation for cancelled functions.
1454 * tree-ssa-loop-im.c (loop_commit_inserts): Removed.
1455 (move_computations, determine_lsm): Use bsi_commit_edge_inserts
1457 * cfgloopmanip.c (remove_bbs): Do not update loops explicitly.
1458 (remove_path): Ensure that in delete_basic_blocks, the loops
1459 are still allocated.
1460 (add_loop): Work on valid loop structures.
1461 (loopify): Modify call of add_loop.
1462 (mfb_update_loops): Removed.
1463 (create_preheader): Do not update loops explicitly.
1464 (force_single_succ_latches, loop_version): Do not use
1465 loop_split_edge_with.
1466 (loop_split_edge_with): Removed.
1467 * tree-ssa-loop-manip.c (create_iv, determine_exit_conditions):
1468 Do not use bsi_insert_on_edge_immediate_loop.
1469 (split_loop_exit_edge, tree_unroll_loop): Do not use
1470 loop_split_edge_with.
1471 (bsi_insert_on_edge_immediate_loop): Removed.
1472 * tree-ssa-loop-ch.c (copy_loop_headers): Use current_loops. Do not
1473 use loop_split_edge_with.
1474 * cfghooks.c: Include cfgloop.h.
1475 (verify_flow_info): Verify that loop_father is filled iff current_loops
1477 (redirect_edge_and_branch_force, split_block, delete_basic_block,
1478 split_edge, merge_blocks, make_forwarder_block, duplicate_block):
1480 * cfgloopanal.c (mark_irreducible_loops): Work if the function contains
1482 * modulo-sched.c (generate_prolog_epilog, canon_loop): Do not use
1483 loop_split_edge_with.
1484 (sms_schedule): Use current_loops.
1485 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Use current_loops.
1486 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize): Set
1488 (rtl_loop_init, rtl_loop_done): Do not set current_loops.
1489 * tree-ssa-sink.c (execute_sink_code): Use current_loops.
1490 * ifcvt.c (if_convert): Ditto.
1491 * predict.c (predict_loops): Do not clear current_loops.
1492 (tree_estimate_probability): Use current_loops.
1493 (propagate_freq): Receive head of the region to propagate instead of
1495 (estimate_loops_at_level): Do not use shared to_visit bitmap.
1496 (estimate_loops): New function. Handle case current_loops == NULL.
1497 (estimate_bb_frequencies): Do not allocate tovisit. Use
1499 * tree-ssa-loop.c (current_loops): Removed.
1500 (tree_loop_optimizer_init): Do not return loops.
1501 (tree_ssa_loop_init, tree_ssa_loop_done): Do not set current_loops.
1502 * tree-vectorizer.c (slpeel_update_phi_nodes_for_guard1,
1503 slpeel_update_phi_nodes_for_guard2, slpeel_tree_peel_loop_to_edge):
1504 Do not update loops explicitly.
1505 * function.h (struct function): Add x_current_loops field.
1506 (current_loops): New macro.
1507 * tree-if-conv.c (combine_blocks): Do not update loops explicitly.
1508 * loop-unroll.c (split_edge_and_insert): New function.
1509 (unroll_loop_runtime_iterations, analyze_insns_in_loop): Do not
1510 use loop_split_edge_with.
1511 * loop-doloop.c (add_test, doloop_modify): Ditto.
1512 * tree-ssa-pre.c (init_pre, fini_pre): Do not set current_loops.
1513 * cfglayout.c (copy_bbs): Do not update loops explicitly.
1514 * lambda-code.c (perfect_nestify): Do not use loop_split_edge_with.
1515 * tree-vect-transform.c (vect_transform_loop): Do not update loops
1517 * cfgloop.c (flow_loops_cfg_dump): Do not dump dfs_order and rc_order.
1518 (flow_loops_free): Do not free dfs_order and rc_order.
1519 (flow_loops_find): Do not set dfs_order and rc_order in loops
1520 structure. Do not call loops and flow info verification.
1521 (add_bb_to_loop, remove_bb_from_loops): Check whether the block
1522 already belongs to some loop.
1523 * cfgloop.h (struct loops): Remove struct cfg.
1524 (current_loops, loop_split_edge_with): Declaration removed.
1525 (loop_optimizer_init, loop_optimizer_finalize): Declaration changed.
1526 * tree-flow.h (loop_commit_inserts, bsi_insert_on_edge_immediate_loop):
1527 Declaration removed.
1528 * Makefile.in (cfghooks.o): Add CFGLOOP_H dependency.
1529 * basic-block.h (split_edge_and_insert): Declare.
1530 * tree-cfg.c (remove_bb): Do not update loops explicitly.
1532 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1534 PR tree-optimization/29801
1535 * tree-ssa-ccp.c (get_symbol_constant_value): New function.
1536 (get_default_value): Use get_symbol_constant_value.
1537 (set_lattice_value): ICE when the value of the constant is
1539 (visit_assignment): Ignore VDEFs of read-only variables.
1541 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1543 * tree-vect-transform.c (vect_create_epilog_for_reduction): Fix
1545 (vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
1546 vect_gen_niters_for_prolog_loop): Fold the emited expressions.
1548 2006-11-17 Zdenek Dvorak <dvorakz@suse.cz>
1550 * tree-ssa-alias.c (new_type_alias): Do not use offset of expr to
1551 select subvars of var.
1553 2006-11-17 Jakub Jelinek <jakub@redhat.com>
1556 * tree-ssa-forwprop.c (simplify_switch_expr): Don't
1557 optimize if DEF doesn't have integral type.
1559 2006-11-16 Mike Stump <mrs@apple.com>
1561 * config/darwin.h (LINK_COMMAND_SPEC): Don't do dwarf stuff on
1562 pre-darwin9 system, unless the user asks for it directly.
1563 (PREFERRED_DEBUGGING_TYPE): Likewise.
1564 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Likewise.
1565 * config.gcc: Add suppport for darwin9.h.
1566 * config/darwin9.h: Add.
1567 * doc/install.texi (Specific): Clarify darwin documentation.
1569 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1571 * arm.h (CONSTANT_ALIGNMENT): Don't over-align strings when
1572 optimizing for size.
1574 2006-11-16 Mike Stump <mrs@apple.com>
1576 * Makefile.in (targhooks.o): Add $(OPTABS_H).
1578 2006-11-16 Dirk Mueller <dmueller@suse.de>
1580 * tree-vrp.c (get_value_range): Use XCNEW instead
1582 (insert_range_assertions): Use XCNEWVEC instead
1583 of XNEWVEC and memset.
1584 (vrp_initialize): Same.
1585 (vrp_finalize): Same.
1586 * tree-ssa-ccp.c (ccp_initialize): Same.
1587 * predict.c (tree_bb_level_predictions): Same.
1588 * calls.c (expand_call): Same.
1589 * tree-ssa-copy.c (init_copy_prop): Same.
1590 (fini_copy_prop): Same.
1591 * tree-ssa-alias.c (get_ptr_info): Use GGC_CNEW instead
1592 of GGC_NEW and memset.
1594 2006-11-16 Eric Botcazou <ebotcazou@adacore.com>
1597 * gimplify.c (gimplify_expr): Only force a load for references to
1598 non-BLKmode volatile values.
1599 * doc/implement-c.texi (Qualifiers implementation): Document the
1600 interpretation of what a volatile access is.
1601 * doc/extend.texi (C++ Extensions): Rework same documentation.
1603 2006-11-16 Joseph Myers <joseph@codesourcery.com>
1605 * config/rs6000/spe.md (frob_di_df_2): Handle non-offsettable
1608 2006-11-16 Richard Earnshaw <rearnsha@arm.com>
1610 * arm.md (abssi2): Allow Thumb as well. Use an SImode scratch for
1612 (arm_neg_abssi2): Renamed from neg_abssi2.
1613 (thumb_abssi2, thumb_neg_abssi2): New patterns with splitters.
1615 2006-11-16 Uros Bizjak <ubizjak@gmail.com>
1617 * config/i386/i386.c (ix86_function_sseregparm): Fix comment:
1618 number of arguments passed to local functions in SSE registers is 3.
1620 * doc/invoke.texi (Function Attributes) [sseregparm]: Correct
1621 number of arguments passed in SSE registers to 3.
1623 2006-11-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1626 * cfgrtl.c (rtl_delete_block): Move the code for getting last insn of
1628 (get_last_bb_insn): ... new global function.
1629 (basic_block.h): Declare it.
1630 * haifa-sched.c (create_recovery_block): Use it.
1632 2006-11-15 H.J. Lu <hongjiu.lu@intel.com>
1635 * real.c (mpfr_from_real): Call mpfr_set_str before gcc_assert.
1637 2006-11-15 Paul Brook <paul@codesourcery.com>
1639 * config/arm/unwind-arm.c (_Unwind_GetDataRelBase,
1640 _Unwind_GetTextRelBase): Move from here ...
1641 * config/arm/pr-support.c (_Unwind_GetDataRelBase,
1642 _Unwind_GetTextRelBase): ... To here.
1644 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1646 * tree-ssa-loop-ivopts.c (get_address_cost): Make sure memory
1647 addresses we generate for testing are aligned.
1649 2006-11-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
1652 * fold-const.c (fold_indirect_ref_1): Fold *&CONST_DECL down
1653 to what is the const decl is a place holder for.
1655 2006-11-15 Uros Bizjak <ubizjak@gmail.com>
1657 * config/i386/i386.opt: New target option -mx87regparm.
1659 * config/i386/i386.h (struct ix86_args): Add x87_nregs, x87_regno
1660 and float_in_x87 variables. mmx_words, sse_words: Remove.
1661 (X87_REGPARM_MAX): Define.
1663 * config/i386/i386.c (override_options): Error out for
1664 -mx87regparm but no 80387 support.
1665 (ix86_attribute_table): Add x87regparm.
1666 (ix86_handle_cconv_attribute): Update comments for x87regparm.
1667 (ix86_comp_type_attributes): Check for mismatched x87regparm types.
1668 (ix86_function_x87regparm): New function.
1669 (ix86_function_arg_regno_p): Add X87_REGPARM_MAX 80387 floating
1671 (init_cumulative_args): Initialize x87_nregs and float_in_x87
1673 (function_arg_advance): Process x87_nregs and x87_regno when
1674 floating point argument is to be passed in 80387 register.
1675 (function_arg): Pass XFmode arguments in 80387 registers for local
1676 functions. Pass SFmode and DFmode arguments to local functions
1677 in 80387 registers when flag_unsafe_math_optimizations is set.
1679 * reg-stack.c (convert_regs_entry): Disable NaN load for
1680 stack registers that are used for argument passing.
1682 * doc/extend.texi: Document x87regparm function attribute.
1683 * doc/invoke.texi: Document -mx87regparm.
1685 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1687 * tree-flow.h (multiplier_allowed_in_address_p): Adjust prototype.
1688 * tree-ssa-loop-ivopts.c (multiplier_allowed_in_address_p): New
1689 arg MODE; all callers changed. Use it to determine validity per
1690 machine mode instead of using Pmode for all memory references.
1691 (get_address_cost): Likewise add and use new arg MEM_MODE.
1693 2006-11-15 Rask Ingemann Lambertsen <rask@sygehus.dk>
1694 J"orn Rennecke <joern.rennecke@st.com>
1696 * combine.c (likely_spilled_retval_1): Fix masking operation.
1697 (likely_spilled_retval_p): Use proper pattern for call to
1698 likely_spilled_retval_1.
1700 2006-11-15 Bernd Schmidt <bernd.schmidt@analog.com>
1702 * tree-ssa-loop-ivopts.c (determine_iv_costs): Fix formatting.
1704 * config/bfin/bfin.c (legitimize_pic_address): Lose dead code
1705 that tests for CONSTANT_POOL_ADDRESS_P.
1707 2006-11-15 Jakub Jelinek <jakub@redhat.com>
1709 PR tree-optimization/29581
1710 * lambda-code.c (replace_uses_equiv_to_x_with_y): Add YINIT,
1711 REPLACEMENTS, FIRSTBSI arguments. If initial condition or
1712 type is different between Y and USE, create a temporary
1713 variable, initialize it at the beginning of the body bb
1714 and use it as replacement instead of Y.
1716 2006-11-15 Paolo Bonzini <bonzini@gnu.org>
1719 * gimplify.c (fold_indirect_ref_rhs): Use
1720 STRIP_USELESS_TYPE_CONVERSION rather than STRIP_NOPS.
1722 2006-11-14 Richard Earnshaw <rearnsha@arm.com>
1724 * expmed.c (emit_store_flag_1): New function.
1725 (emit_store_flag): Call it. If we can't find a suitable scc insn,
1727 * expr.c (do_store_flag): If we can't find a scc insn, try cstore.
1728 Use do_compare_rtx_and_jump.
1729 * arm.h (BRANCH_COST): Increase to 2 on Thumb.
1730 * arm.md (cstoresi4): New define_expand.
1731 (cstoresi_eq0_thumb, cstoresi_ne0_thumb): Likewise.
1732 (cstoresi_eq0_thumb_insn, cstore_ne0_thumb_insn): New patterns.
1733 (cstoresi_nltu_thumb, thumb_addsi3_addgeu): New patterns.
1735 2006-11-14 Caroline Tice <ctice@apple.com>
1737 * dwarf2out.c (debug_pubtypes_section): New static global variable.
1738 (pubname_entry): Add DEF_VEC_O and DEF_VEC_ALLOC_O statements for
1740 (pubname_table): Redefine as a vector.
1741 (pubtype_table): New static global variable, defined as a vector.
1742 (pubname_table_allocated): Remove static global variable.
1743 (pubname_table_in_use): Remove static global variable.
1744 (PUBNAME_TABLE_INCREMENT): Remove constant.
1745 (size_of_pubnames): Add parameter to deal with either pubnames or
1746 pubtypes, and change code to deal with table being a vector.
1747 (add_pubname): Change to deal with table being a vector.
1748 (add_pubtype): New function.
1749 (output_pubnames): Add parameter to deal with either pubnames or
1750 pubtypes, and change code to deal with table being a vector.
1751 (gen_array_type_die): Add call to add_pubtype.
1752 (gen_enumeration_type_die): Add call to add_pubtype.
1753 (gen_struct_or_union_type_die): Add call to add_pubtype.
1754 (gen_subroutine_type_die): Add call to add_pubtype.
1755 (gen_typedef_die): Add call to add_pubtype.
1756 (dwarf2out_init): Add code to initialize pubname_table and
1757 pubtype_table vectors; also initialize debug_pubtypes_section.
1758 (prune_unused_types): Change to deal with pubnames being a vector.
1759 (dwarf2out_finish): Change to deal with pubnames being a vector; add
1760 pubnames table to call to output_pubnames; Add code to output pubtypes
1761 table if DEBUG_PUBTYPES_SECTION is defined.
1762 * config/darwin.c (darwin_file_start): Add DEBUG_PUBTYPES_SECTION to
1764 * config/darwin.h (DEBUG_PUBTYPES_SECTION): Define new global variable.
1766 2006-11-14 Joseph Myers <joseph@codesourcery.com>
1768 * config/arm/arm.h (FUNCTION_ARG_ADVANCE): Only adjust
1769 iwmmxt_nregs if TARGET_IWMMXT_ABI.
1770 * config/arm/iwmmxt.md (movv8qi_internal, movv4hi_internal,
1771 movv2si_internal): Support moves between core registers.
1773 2006-11-14 Eric Christopher <echristo@apple.com>
1775 * configure: Regenerate with autoconf 2.59.
1777 2006-11-14 Daniel Berlin <dberlin@dberlin.org>
1779 Fix PR tree-optimization/27755
1781 * tree-ssa-pre.c: Update comments.
1782 (bb_bitmap_sets): Add pa_in and deferred member.
1783 (BB_DEFERRED): New macro.
1784 (maximal_set): New variable.
1785 (pre_stats): Add pa_insert member.
1786 (bitmap_set_and): Short circuit orig == dest.
1787 (bitmap_set_subtract_values): New function.
1788 (bitmap_set_contains_expr): Ditto.
1789 (translate_vuses_through_block): Add phiblock argument.
1790 (dependent_clean): New function.
1791 (compute_antic_aux): Update for maximal_set changes.
1792 (compute_partial_antic_aux): New function.
1793 (compute_antic): Handle partial anticipation.
1794 (do_partial_partial_insertion): New function.
1795 (insert_aux): Handle partial anticipation.
1796 (add_to_sets): Add to maximal set.
1797 (compute_avail): Ditto.
1798 (init_pre): Initialize maximal_set.
1799 (execute_pre): Do partial anticipation if -O3+.
1801 2006-11-14 Paolo Bonzini <bonzini@gnu.org>
1803 PR rtl-optimization/29798
1805 * fwprop.c (use_killed_between): Check that DEF_INSN dominates
1806 TARGET_INSN before any other check.
1807 (fwprop_init): Always calculate dominators.
1808 (fwprop_done): Always free them.
1810 2006-11-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1812 * fold-const.c (fold_strip_sign_ops): Handle COMPOUND_EXPR and
1815 2006-11-13 DJ Delorie <dj@redhat.com>
1817 * config/m32c/m32c.c (m32c_prepare_shift): Use a separate
1818 temporary for intermediates.
1820 2006-11-13 Kaz Kojima <kkojima@gcc.gnu.org>
1822 * config/sh/sh.c (expand_cbranchdi4): Initialize skip_label.
1823 (sh_optimize_target_register_callee_saved): #if 0 the code
1824 using NOTE_INSN_LOOP_{BEG,END}.
1826 2006-11-13 Roger Sayle <roger@eyesopen.com>
1828 * fold-const.c (optimize_bit_field_compare): Recursively call
1829 fold when simplifying non-constant comparisons between bit-fields.
1831 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1833 * configure.ac: Add changequote around __LONG_DOUBLE_MATH_OPTIONAL
1835 * configure: Rebuilt.
1837 2006-11-13 Andrew Pinski <andrew_pinski@playstation.sony.com>
1839 * config/rs6000/cell.md: New file.
1840 * config/rs6000/rs6000.c (rs6000_cell_dont_microcode): New
1842 (ppccell_cost): New cost matrix.
1843 (TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD): Define.
1844 (rs6000_override_options): Set rs6000_always_hint to false
1845 for cell. Also align functions/lables/loops to 8byte
1846 for the Cell. Use PROCESSOR_CELL.
1847 (rs6000_emit_epilogue): Rename using_mfcr_multiple to
1848 using_mtcr_multiple.
1849 (rs6000_variable_issue): If the insn is a nonpipelined instruction
1850 on the Cell, return 0.
1851 (rs6000_adjust_cost): Add Cell cost adjustments.
1852 (is_microcoded_insn): Return true for Cell microcoded
1854 (is_nonpipeline_insn): New function.
1855 (rs6000_issue_rate): Add PROCESSOR_CELL.
1856 (rs6000_use_sched_lookahead): If Cell, then we should look ahead 8
1858 (rs6000_use_sched_lookahead_guard): New function.
1859 (rs6000_sched_reorder): Reorder the ready list, if the second
1860 to last ready insn is a nonepipeline insn on the Cell.
1861 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_CELL.
1862 (ASM_CPU_SPEC): Add Cell.
1863 * config/rs6000/rs6000.md (cpu): Add Cell.
1864 (cell_micro): New Attr.
1867 2006-11-13 Jakub Jelinek <jakub@redhat.com>
1869 * configure.ac (ld_vers): Parse GNU ld version 2.17.50.0.3-6 20060715
1871 * configure: Rebuilt.
1873 2006-11-13 Richard Guenther <rguenther@suse.de>
1875 * config/i386/i386.c (ix86_expand_lround): Handle expand_simple_binop
1877 (ix86_expand_lfloorceil): Likewise.
1878 (ix86_expand_rint): Likewise.
1879 (ix86_expand_floorceildf_32): Likewise.
1880 (ix86_expand_floorceil): Likewise.
1881 (ix86_expand_rounddf_32): Likewise.
1882 (ix86_expand_truncdf_32): Likewise.
1883 (ix86_expand_round): Likewise.
1885 2006-11-13 Carlos O'Donell <carlos@codesourcery.com>
1886 Mark Mitchell <mark@codesourcery.com>
1888 * gcc.c: Organize search path variables into $prefix relative,
1889 and well-known native. Add comments.
1890 (add_sysrooted_prefix): Add comment.
1891 (process_command): If !gcc_exec_prefix add $prefix based paths.
1892 If *cross_compile == '0', add native well-known paths.
1893 Assert tooldir_base_prefix is always relative.
1894 (main): If print_search_dirs, and if gcc_exec_prefix is set,
1895 use this value for 'install:' path.
1896 * Makefile.in: Add GCC_EXEC_PREFIX to generated site.exp.
1898 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1900 * config/i386/i386.c: Fix a typo in comment.
1902 2006-11-13 Michael Matz <matz@suse.de>
1904 * genemit.c (gen_expand): Allocate enough memory.
1906 2006-11-13 Joseph Myers <joseph@codesourcery.com>
1908 * config/arm/bpapi.h (TARGET_BPABI_CPP_BUILTINS): Define
1909 __GXX_TYPEINFO_EQUALITY_INLINE but not
1910 __GXX_MERGED_TYPEINFO_NAMES.
1911 * config/arm/symbian.h (TARGET_OS_CPP_BUILTINS): Define
1912 __GXX_MERGED_TYPEINFO_NAMES.
1913 * config/i386/cygming.h (TARGET_OS_CPP_BUILTINS): Define
1914 __GXX_TYPEINFO_EQUALITY_INLINE.
1916 2006-11-13 H.J. Lu <hongjiu.lu@intel.com>
1917 Zdenek Dvorak <dvorakz@suse.cz>
1919 PR tree-optimization/29680
1920 * tree-ssa-operands.c (access_can_touch_variable): Revert fix for
1923 2006-11-12 Jason Merrill <jason@redhat.com>
1924 Andrew Pinski <pinskia@physics.uc.edu>
1927 * gimplify.c (gimplify_init_constructor): Don't reduce TREE_CONSTANT
1929 * tree-cfg.c (verify_expr): Don't look into TREE_CONSTANT
1931 * expmed.c (make_tree): Handle CONST, SYMBOL_REF.
1932 * tree.c (build_vector): Handle non-_CST elements.
1934 2006-11-12 Kaz Kojima <kkojima@gcc.gnu.org>
1936 * genemit.c (gen_insn): Call gen_exp with a non-null used
1937 when handling multiple insns.
1938 (gen_expand): Likewise.
1939 * reorg.c (emit_delay_sequence): Copy the delay slot insn.
1940 * config/sh/sh.md (ashrsi2_31+1): Copy operands[0].
1941 (movsi_const_16bit+1): Copy operands[1].
1942 (call_pcrel): Copy the call_site pattern.
1943 (call_value_pcrel, sibcall_pcrel, GOTaddr2picreg): Likewise.
1945 2006-11-12 Roger Sayle <roger@eyesopen.com>
1947 * fold-const.c (negate_expr_p) <PLUS_EXPR, MINUS_EXPR>: Correct/refine
1948 condition for transformations. Use !HONOR_SIGN_DEPENDENT_ROUNDING
1949 && !HONOR_SIGNED_ZEROS instead of flag_unsafe_math_optimizations.
1950 (fold_negate_expr) <PLUS_EXPR, MINUS_EXPR>: Likewise.
1952 2006-11-12 Daniel Berlin <dberlin@dberlin.org>
1954 Fix PR tree-optimization/29587
1955 * tree-ssa-structalias.c (process_constraint): Don't
1956 mark address taken due only to escaped vars constraint.
1958 2006-11-12 Michael Matz <matz@suse.de>
1959 Roger Sayle <roger@eyesopen.com>
1961 PR rtl-optimization/29797
1962 * ifcvt.c (noce_try_bitop): Correct calculation of bitnum on
1963 BITS_BIG_ENDIAN targets.
1965 2006-11-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1967 * builtins.c (fold_builtin_cosh): New.
1968 (fold_builtin_1): Use it.
1969 * fold-const.c (negate_mathfn_p): Add llround, lround, round,
1970 trunc to the list of "odd" functions. Also add llrint, lrint,
1971 rint and nearbyint when flag_rounding_math is false.
1973 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1975 * tree-flow.h (name_mappings_registered_p): Declare.
1976 * tree-into-ssa.c (name_mappings_registered_p): New function.
1977 * tree-cfg.c (tree_can_merge_blocks_p): Check
1978 name_mappings_registered_p instead of need_ssa_update_p.
1980 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1982 * tree-ssa-loop.c (tree_vectorize): Return the result of
1984 * tree-vectorizer.c (vectorize_loops): Return TODO_cleanup_cfg
1985 if anything changed.
1986 * tree-vectorizer.h (vectorize_loops): Declaration removed.
1987 * tree-flow.h (vectorize_loops): Declaration changed.
1989 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
1991 * tree-ssa-loop-prefetch.c (schedule_prefetches): Cleanup and improve
1993 (issue_prefetch_ref): Move assignment to write_p out of loop.
1994 (determine_unroll_factor): Do not take PARAM_MAX_UNROLL_TIMES and
1995 SIMULTANEOUS_PREFETCHES into account.
1996 (loop_prefetch_arrays): Do not pass ahead to determine_unroll_factor.
1997 * lambda-code.c (lcm): Renamed to ...
1998 (least_common_multiple): ... and exported.
1999 * tree-flow.h (least_common_multiple): Declare.
2001 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2003 * Makefile.in (tree-data-ref.o): Add langhooks.h dependency.
2004 * tree-ssa-loop-niter.c (derive_constant_upper_bound): Follow
2005 ud-chains. Handle AND_EXPR.
2006 (record_estimate): Record whether the estimate is realistic
2007 and whether it is derived from a loop exit.
2008 (record_nonwrapping_iv, idx_infer_loop_bounds, infer_loop_bounds_from_ref,
2009 infer_loop_bounds_from_array, infer_loop_bounds_from_signedness): New
2011 (compute_estimated_nb_iterations): Take only realistic bounds into
2012 account. Set estimate_state. Use double_ints.
2013 (infer_loop_bounds_from_undefined): Call infer_loop_bounds_from_array
2014 and infer_loop_bounds_from_signedness. Do not consider basic blocks
2015 that do not have to be always executed.
2016 (estimate_numbers_of_iterations_loop): Set estimate_state, and use it
2017 to determine whether to call infer_loop_bounds_from_undefined
2018 and compute_estimated_nb_iterations.
2019 (n_of_executions_at_most): Use double_ints.
2020 (free_numbers_of_iterations_estimates_loop): Set estimate_state.
2021 (substitute_in_loop_info): Do not replace in estimated_nb_iterations.
2022 * double-int.c (double_int_to_tree): Improve comment.
2023 (double_int_fits_to_tree_p): New function.
2024 * double-int.h (double_int_fits_to_tree_p): Declare.
2025 * tree-data-ref.c: Include langhooks.h.
2026 (estimate_niter_from_size_of_data, estimate_iters_using_array): Removed.
2027 (analyze_array_indexes): Do not call estimate_niter_from_size_of_data.
2028 (analyze_array): Do not pass estimate_only argument to
2029 analyze_array_indexes.
2030 (get_number_of_iters_for_loop): Build tree from the stored double_int
2032 (get_references_in_stmt, find_data_references_in_stmt): New functions.
2033 (find_data_references_in_loop): Use find_data_references_in_stmt.
2034 * tree-data-ref.h (struct data_ref_loc_d): New.
2035 (get_references_in_stmt): Declare.
2036 (estimate_iters_using_array): Declaration removed.
2037 * cfgloop.h (struct nb_iter_bound): Change type of bound to
2038 double_int. Improve comments. Add is_exit and realistic
2040 (struct loop): Changed type of estimated_nb_iterations to double_int.
2041 Added estimate_state field.
2042 (record_estimate): Declaration removed.
2044 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2046 * params.c (set_param_value): Initialize the "set" field.
2047 * params.h (struct param_info): Add "set" field.
2048 (PARAM_SET_P): New macro.
2049 (PREFETCH_LATENCY, SIMULTANEOUS_PREFETCHES, L1_CACHE_SIZE,
2050 L1_CACHE_LINE_SIZE): New macros.
2051 * toplev.c (DEFPARAM): Initialize the "set" field.
2052 * tree-ssa-loop-prefetch.c (PREFETCH_LATENCY,
2053 SIMULTANEOUS_PREFETCHES): Removed.
2054 (PREFETCH_BLOCK): Use L1_CACHE_LINE_SIZE.
2055 (tree_ssa_prefetch_arrays): Dump the values of the parameters.
2056 * config/sparc/sparc.c: Include params.h.
2057 (sparc_override_options): Set SIMULTANEOUS_PREFETCHES and
2058 L1_CACHE_LINE_SIZE parameters.
2059 * config/sparc/sparc.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2061 * config/i386/i386.h (PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES):
2063 * config/i386/i386.c: Include params.h.
2064 (k8_cost): Change default value for SIMULTANEOUS_PREFETCHES.
2065 (override_options): Set SIMULTANEOUS_PREFETCHES and
2066 L1_CACHE_LINE_SIZE parameters.
2067 * config/sh/sh.h (SIMULTANEOUS_PREFETCHES): Removed.
2068 (OPTIMIZATION_OPTIONS): Set SIMULTANEOUS_PREFETCHES and
2069 L1_CACHE_LINE_SIZE parameters.
2070 * config/ia64/ia64.c (ia64_optimization_options): Set
2071 SIMULTANEOUS_PREFETCHES and L1_CACHE_LINE_SIZE parameters.
2072 * config/ia64/ia64.h (SIMULTANEOUS_PREFETCHES, PREFETCH_BLOCK):
2074 * params.def (PARAM_PREFETCH_LATENCY, PARAM_SIMULTANEOUS_PREFETCHES,
2075 PARAM_L1_CACHE_SIZE, PARAM_L1_CACHE_LINE_SIZE): New params.
2076 * doc/invoke.texi: Document new params.
2078 2006-11-12 Roger Sayle <roger@eyesopen.com>
2080 PR tree-optimization/13827
2081 * fold-const.c (fold_binary) <EQ_EXPR, NE_EXPR>: Fold (X&C) op (Y&C)
2084 2006-11-12 Zdenek Dvorak <dvorakz@suse.cz>
2086 * cfgloopmanip.c (update_single_exit_for_duplicated_loop,
2087 update_single_exit_for_duplicated_loops): New functions.
2088 (duplicate_loop_to_header_edge): Use
2089 update_single_exit_for_duplicated_loops.
2090 * tree-ssa-loop-manip.c (tree_unroll_loop): Call verification
2091 functions only with ENABLE_CHECKING.
2093 2006-11-12 Andreas Schwab <schwab@suse.de>
2095 * except.c (sjlj_emit_function_enter): Remove unused variable.
2097 2006-11-11 Roger Sayle <roger@eyesopen.com>
2099 * fold-const.c (int_binop_types_match_p): New function.
2100 (size_binop): Relax constraint that both arguments must both have
2101 exactly the same sizetype type. Instead use int_binop_types_match_p.
2102 (size_diffop): Likewise.
2104 (make_range): Use build_int_cst instead of fold_convert.
2105 (fold_cond_expr_with_comparison): Use build_int_cst to construct
2106 integer constants of the correct type.
2107 (fold_div_compare): Likewise.
2108 (fold_single_bit_test): Likewise.
2109 (fold_binary): Likewise.
2110 * stor-layout.c (layout_type) <VECTOR_TYPE>: Ensure that TYPE_SIZE
2111 has type bitsizetype and TYPE_SIZE_UNIT has type sizetype.
2113 2006-11-11 Andrew Pinski <andrew_pinski@playstation.sony.com>
2116 * alias.c (fixed_scalar_and_varying_struct_p): Don't return a
2117 non null value if the struct memory access is in the 0th
2120 2006-11-12 Jie Zhang <jie.zhang@analog.com>
2123 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2124 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2127 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Use builtin_define_std
2128 instead of builtin_define for bfin and BFIN.
2130 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2132 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __bfin__
2135 2006-11-11 Jan Hubicka <jh@suse.cz>
2137 * extend.texi (__builtin_expect): We no longer require second argument
2139 * gengtype.c (adjust_field_rtx_def): Drop NOTE_INSN_EXPECTED_VALUE.
2140 * builtins.c (expand_builtin_expect): Simplify.
2141 (expand_builtin_expect_jump): Kill.
2142 * final.c (final_scan_insn): Do not skip the removed notes.
2143 * insn-notes.def (LOOP_BEG, LOOP_END, REPEATED_LINE_NUMBER,
2144 EXPECTED_VALUE): Remove.
2145 * dojump.c (do_jump): Do not care about __builtin_expect.
2146 * predict.c (expected_value_to_br_prob): Kill.
2147 * function.c (expand_function_end): Do not expand
2148 NOTE_INSN_REPEATED_LINE_NUMBER.
2149 * print-rtl.c (print_rtx): Do not pretty print the removed notes.
2150 * expect.c (sjlj_emit_function_enter): Emit directly branch probability.
2151 * cfgexpand.c (add_reg_br_prob_note): Export.
2152 * cfgcleanup.c (rest_of_handle_jump2): Do not call
2153 expected_value_to_br_prob.
2154 * cfglayout.c (duplicate_insn_chain): Do not deal with removed notes.
2155 * rtl.h (add_reg_br_prob_note): Declare.
2157 2006-11-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2159 * tree-pretty-print.c (dump_generic_node): Print sign of Inf.
2161 2006-11-11 Jan Hubicka <jh@suse.cz>
2163 * predict.c (predict_loops): Kill RTL variant.
2165 2006-11-11 Jan Hubicka <jh@suse.cz>
2167 * tree-pass.h (pass_purge_lineno_notes): Remove declaration.
2168 * modulo-sched.c (find_line_note): Remove.
2169 (loop_canon_p): Do not worry about line number notes.
2170 (sms_schedule): Likewise.
2171 * cse.c (cse_main): Likewise.
2172 * regmove.c (fixup_match_1): Likewise
2173 * function.c (emit_return_info_block): Likewise.
2174 (expand_function_end): Likewise.
2175 (thread_prologue_an_epilogue_insns): Likewise.
2176 * cfgrtl.c (try_redirect_by_replacing_jump, rtl_tidy_fallthru_edge):
2178 * emit-rtl.c (find_line_note, emit_insn_after_with_line_notes,
2179 emit_note_copy_after): Kill.
2180 (emit_note_copy): Do not worry about line numbers.
2181 * jump.c (purge_line_number_notes): Kill.
2182 (pass_purge_lineno_notes): Kill.
2183 * cfgcleanup.c (rest_of_handle_jump2): Kill purge_line_number_notes
2185 * rtl.h (emit_note_copy_after, emit_insn_after_with_line_notes): Kill.
2186 * passes.c (init_optimization_passes): Don't purge_lineno_notes.
2187 * sched-ebb.c (schedule_ebbs): Don't do rm_redundant_line_notes.
2188 * tree-pass.h (pass_purge_lineno_notes): Kill.
2189 * sched-ebb.c (schedule_ebb): Don't rm_line_notes,
2190 rm_redundant_line_notes.
2191 * sched-rgb.c (schedule_region): Don't rm_line_notes,
2192 rm_redundant_line_notes.
2193 * sched-int.h (rm_line_notes, rm_redundant_line_notes): Kill.
2194 * haifa-sched.c: Update comment about handling notes.
2195 (unlink_line_notes): Kill.
2196 (rm_line_notes): Kill.
2197 (save_line_notes): Simplify.
2198 (rm_redundant_line_notes): Kill.
2200 2006-11-11 Richard Guenther <rguenther@suse.de>
2202 * tree.def (FIX_CEIL_EXPR, FIX_FLOOR_EXPR, FIX_ROUND_EXPR):
2203 Remove unused tree codes.
2204 * tree-vrp.c (extract_range_from_unary_expr): Remove handling
2205 of FIX_CEIL_EXPR, FIX_FLOOR_EXPR and FIX_ROUND_EXPR.
2206 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2207 * tree.c (stabilize_reference): Likewise.
2208 * fold-const.c (fold_convert_const_int_from_real, operand_equal_p,
2209 fold_unary): Likewise.
2210 * tree-gimple.c (is_gimple_cast): Likewise.
2211 * dwarf2out.c (loc_descriptor_from_tree_1): Likewise.
2212 * expr.c (expand_expr_real_1): Likewise.
2213 * tree-eh.c (tree_could_trap_p): Likewise.
2214 * gimplify.c (gimplify_expr): Likewise.
2215 * tree-inline.c (estimate_num_insns_1): Likewise.
2216 * tree-cfg.c (verify_expr): Likewise.
2218 2006-11-11 Zdenek Dvorak <dvorakz@suse.cz>
2220 * tree-ssa-loop.c (pass_loop_prefetch): Change name to aprefetch.
2221 * tree-ssa-loop-prefetch.c (dump_mem_ref): Fix target file.
2222 (tree_ssa_prefetch_arrays): Do not dump for removed loops.
2224 2006-11-11 Richard Sandiford <richard@codesourcery.com>
2227 * stmt.c (expand_asm_operands): Use EXPAND_INITIALIZER if the
2228 constraints accept neither registers or memories.
2230 2006-11-11 Jie Zhang <jie.zhang@analog.com>
2232 * config/bfin/bfin.h (FUNCTION_PROFILER): Don't use LABELNO.
2233 (NO_PROFILE_COUNTERS): Define as 1.
2235 2006-11-10 Roger Sayle <roger@eyesopen.com>
2237 * fold-const.c (operand_equal_p) <INTEGER_CST, REAL_CST, VECTOR_CST>:
2238 Don't check for TREE_CONSTANT_OVERFLOW when comparing constants.
2240 2006-11-10 Peter Bergner <bergner@vnet.ibm.com>
2242 * rtl.h (MEM_COPY_ATTRIBUTES): Copy MEM_POINTER.
2244 2006-11-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2246 * builtins.c (fold_builtin_cos): Use fold_strip_sign_ops().
2247 (fold_builtin_hypot): Likewise.
2248 * fold-const.c (fold_strip_sign_ops): Handle "odd" builtins.
2250 * fold-const.c (negate_mathfn_p): Add BUILT_IN_ERF.
2252 2006-11-10 Roger Sayle <roger@eyesopen.com>
2254 * tree.c (build_int_cst_wide): Add an assertion (gcc_unreachable)
2255 when attempting to build INTEGER_CSTs of non-integral types.
2256 * expmed.c (make_tree): Use the correct type, i.e. the inner
2257 type, when constructing the individual elements of a CONST_VECTOR.
2259 2006-11-10 Jan Hubicka <jh@suse.cz>
2261 * cse.c (cse_process_notes): Copy the propagated value.
2262 * local-alloc.c (update_equiv_regs): Copy the memory RTX to be used
2264 * gcse.c (try_replace_reg): Copy the replacement.
2265 * i386.c (emit_i387_cw_initialization): Copy stored_mode.
2266 (assign_386_stack_local): Always return copied memory expression
2267 * function.c (instantiate_virtual_regs_in_insn): Copy the operand
2270 2006-11-10 Jan Hubicka <jh@suse.cz>
2272 * final.c (final): Walk from first instruction.
2273 * cfglayout.c (insn_locators_initialize): Remove line number notes.
2275 2006-11-10 Uros Bizjak <ubizjak@gmail.com>
2278 * config/i386/sse.md (smulv8hi3_highpart): Change from define_insn
2280 (umulv8hi3_highpart): Ditto.
2281 (vec_widen_smult_hi_v8hi): New expander.
2282 (vec_widen_smult_lo_v8hi): Ditto.
2284 2006-11-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2287 * builtins.c (do_mpfr_arg3): New.
2288 (fold_builtin_1): Handle builtins fma, fmin and fmax.
2290 2006-11-09 Eric Christopher <echristo@apple.com>
2295 * configure.ac: Match powerpc*-*-darwin* for powerpc darwin checks.
2296 * config.gcc (powerpc64-*-darwin*): New target.
2297 * config.host: Ditto.
2298 * config/rs6000/darwin64.h: New file.
2299 * config/rs6000/x-darwin64: Ditto.
2300 * config/rs6000/host-ppc64-darwin.c: Ditto.
2302 2006-11-09 Steve Ellcey <sje@cup.hp.com>
2304 * config/ia64/ia64.c (ia64_hpux_init_libfuncs): Use HP-UX millicode
2305 routines for integer division.
2307 2006-11-09 Daniel Jacobowitz <dan@codesourcery.com>
2309 * config/arm/t-linux (LIBGCC2_DEBUG_CFLAGS): Delete.
2311 2006-11-09 Serge Belyshev <belyshev@depni.sinp.msu.ru>
2314 * fold-const.c (fold_binary) <EQ_EXPR>: Fix typo in variable name.
2316 2006-11-09 Andreas Krebbel <krebbel1@de.ibm.com>
2318 * simplify-rtx.c (avoid_constant_pool_reference): Avoid calling
2319 simplify_subreg with BLKmode outer mode.
2321 2006-11-08 Brooks Moses <brooks.moses@codesourcery.com>
2323 * doc/invoke.texi: Minor formatting fixes in option lists.
2325 2006-11-08 Zdenek Dvorak <dvorakz@suse.cz>
2327 PR tree-optimization/29738
2328 * tree-ssa-ccp.c: Remove UNKNOWN_VAL from comments.
2329 (ccp_lattice_t): Remove UNKNOWN_VAL.
2330 (dump_lattice_value, ccp_lattice_meet, ccp_visit_phi_node):
2331 Do not handle UNKNOWN_VAL.
2332 (get_default_value): Set initial value of virtual operands to
2334 (get_value): Always use get_default_value on uninitialized
2336 (set_value_varying, surely_varying_stmt_p): New functions.
2337 (set_lattice_value): Do not pass argument to get_value.
2338 Do not handle UNKNOWN_VAL.
2339 (likely_value): Follow the semantics described in the comment.
2340 (ccp_initialize): Use surely_varying_stmt_p. Do not mark
2341 phi nodes DONT_SIMULATE_AGAIN.
2342 (ccp_fold): Do not pass argument to get_value.
2343 (fold_const_aggregate_ref, visit_assignment): Ditto. Do not
2346 2006-11-08 Andrew Pinski <Andrew_Pinski@playstation.sony.com>
2348 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
2349 HOST_WIDE_INT_PRINT_DOUBLE_HEX instead of format buffer.
2351 2006-11-08 Roger Sayle <roger@eyesopen.com>
2353 * tree-ssa-propagate.c (set_rhs): Restructure validity tests as a
2354 test for inclusion rather than as a test for exclusion.
2355 * tree-ssa-ccp.c (fold_stmt_r) <COND_EXPR>: Use set_rhs to modify
2356 the condition after calling fold_binary.
2357 * fold-const.c (fold_inf_compare): Remove in_gimple_form check.
2358 (fold_binary) <LT_EXPR, GT_EXPR, LE_EXPR, GE_EXPR>: Likewise.
2359 * builtins.c (fold_builtin_isascii): Likewise.
2360 (fold_builtin_isdigit): Likewise.
2362 2006-11-08 Carlos O'Donell <carlos@codesourcery.com>
2364 * configure.ac: Do not set PREFIX_INCLUDE_DIR if $prefix is NONE.
2365 * configure: Regenerate.
2367 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2369 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p): Take
2370 enum argument instead of bool.
2371 (vect_analyze_operations): Call vectorizable_type_promotion.
2372 * tree-vectorizer.h (type_promotion_vec_info_type): New enum
2373 stmt_vec_info_type value.
2374 (supportable_widening_operation, vectorizable_type_promotion): New
2375 function declarations.
2376 * tree-vect-transform.c (vect_gen_widened_results_half): New function.
2377 (vectorizable_type_promotion): New function.
2378 (vect_transform_stmt): Call vectorizable_type_promotion.
2379 * tree-vect-analyze.c (supportable_widening_operation): New function.
2380 * tree-vect-patterns.c (vect_recog_dot_prod_pattern):
2382 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2385 * tree.def (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR):
2386 (VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR): New tree-codes.
2387 * tree-inline.c (estimate_num_insns_1): Add cases for above new
2389 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2390 * expr.c (expand_expr_real_1): Likewise.
2391 * optabs.c (optab_for_tree_code): Likewise.
2392 (init_optabs): Initialize new optabs.
2393 * genopinit.c (vec_widen_umult_hi_optab, vec_widen_smult_hi_optab,
2394 vec_widen_smult_hi_optab, vec_widen_smult_lo_optab,
2395 vec_unpacks_hi_optab, vec_unpacks_lo_optab, vec_unpacku_hi_optab,
2396 vec_unpacku_lo_optab): Initialize new optabs.
2397 * optabs.h (OTI_vec_widen_umult_hi, OTI_vec_widen_umult_lo):
2398 (OTI_vec_widen_smult_h, OTI_vec_widen_smult_lo, OTI_vec_unpacks_hi,
2399 OTI_vec_unpacks_lo, OTI_vec_unpacku_hi, OTI_vec_unpacku_lo): New
2401 (vec_widen_umult_hi_optab, vec_widen_umult_lo_optab):
2402 (vec_widen_smult_hi_optab, vec_widen_smult_lo_optab):
2403 (vec_unpacks_hi_optab, vec_unpacku_hi_optab, vec_unpacks_lo_optab):
2404 (vec_unpacku_lo_optab): New optabs.
2405 * doc/md.texi (vec_unpacks_hi, vec_unpacks_lo, vec_unpacku_hi):
2406 (vec_unpacku_lo, vec_widen_umult_hi, vec_widen_umult_lo):
2407 (vec_widen_smult_hi, vec_widen_smult_lo): New.
2408 * doc/c-tree.texi (VEC_LSHIFT_EXPR, VEC_RSHIFT_EXPR):
2409 (VEC_WIDEN_MULT_HI_EXPR, VEC_WIDEN_MULT_LO_EXPR, VEC_UNPACK_HI_EXPR):
2410 (VEC_UNPACK_LO_EXPR, VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New.
2412 * config/rs6000/altivec.md (UNSPEC_VMULWHUB, UNSPEC_VMULWLUB):
2413 (UNSPEC_VMULWHSB, UNSPEC_VMULWLSB, UNSPEC_VMULWHUH, UNSPEC_VMULWLUH):
2414 (UNSPEC_VMULWHSH, UNSPEC_VMULWLSH): New.
2415 (UNSPEC_VPERMSI, UNSPEC_VPERMHI): New.
2416 (vec_vperm_v8hiv4si, vec_vperm_v16qiv8hi): New patterns used to
2417 implement the unsigned unpacking patterns.
2418 (vec_unpacks_hi_v16qi, vec_unpacks_hi_v8hi, vec_unpacks_lo_v16qi):
2419 (vec_unpacks_lo_v8hi): New signed unpacking patterns.
2420 (vec_unpacku_hi_v16qi, vec_unpacku_hi_v8hi, vec_unpacku_lo_v16qi):
2421 (vec_unpacku_lo_v8hi): New unsigned unpacking patterns.
2422 (vec_widen_umult_hi_v16qi, vec_widen_umult_lo_v16qi):
2423 (vec_widen_smult_hi_v16qi, vec_widen_smult_lo_v16qi):
2424 (vec_widen_umult_hi_v8hi, vec_widen_umult_lo_v8hi):
2425 (vec_widen_smult_hi_v8hi, vec_widen_smult_lo_v8hi): New widening
2426 multiplication patterns.
2428 * target.h (builtin_mul_widen_even, builtin_mul_widen_odd): New.
2429 * target-def.h (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN):
2430 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2431 * config/rs6000/rs6000.c (rs6000_builtin_mul_widen_even): New.
2432 (rs6000_builtin_mul_widen_odd): New.
2433 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): Defined.
2434 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): Defined.
2435 * tree-vectorizer.h (enum vect_relevant): New enum type.
2436 (_stmt_vec_info): Field relevant chaned from bool to enum
2438 (STMT_VINFO_RELEVANT_P): Updated.
2439 (STMT_VINFO_RELEVANT): New.
2440 * tree-vectorizer.c (new_stmt_vec_info): Use STMT_VINFO_RELEVANT
2441 instead of STMT_VINFO_RELEVANT_P.
2442 * tree-vect-analyze.c (vect_mark_relevant, vect_stmt_relevant_p):
2443 Replace calls to STMT_VINFO_RELEVANT_P with STMT_VINFO_RELEVANT,
2444 and boolean variable with enum vect_relevant.
2445 (vect_mark_stmts_to_be_vectorized): Likewise + update documentation.
2446 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_EVEN): New.
2447 (TARGET_VECTORIZE_BUILTIN_MUL_WIDEN_ODD): New.
2449 2006-11-08 Richard Henderson <rth@redhat.com>
2451 * config/i386/sse.md (vec_widen_umult_hi_v8hi,
2452 vec_widen_umult_lo_v8hi): New.
2453 (vec_widen_smult_hi_v4si, vec_widen_smult_lo_v4si,
2454 vec_widen_umult_hi_v4si, vec_widen_umult_lo_v4si): New.
2456 * config/i386/i386.c (ix86_expand_sse_unpack): New.
2457 * config/i386/i386-protos.h (ix86_expand_sse_unpack): New.
2458 * config/i386/sse.md (vec_unpacku_hi_v16qi, vec_unpacks_hi_v16qi,
2459 vec_unpacku_lo_v16qi, vec_unpacks_lo_v16qi, vec_unpacku_hi_v8hi,
2460 vec_unpacks_hi_v8hi, vec_unpacku_lo_v8hi, vec_unpacks_lo_v8hi,
2461 vec_unpacku_hi_v4si, vec_unpacks_hi_v4si, vec_unpacku_lo_v4si,
2462 vec_unpacks_lo_v4si): New.
2464 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2466 * tree-vect-transform.c (vectorizable_type_demotion): New function.
2467 (vect_transform_stmt): Add case for type_demotion_vec_info_type.
2468 (vect_analyze_operations): Call vectorizable_type_demotion.
2469 * tree-vectorizer.h (type_demotion_vec_info_type): New enum
2470 stmt_vec_info_type value.
2471 (vectorizable_type_demotion): New function declaration.
2472 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2475 * tree.def (VEC_PACK_MOD_EXPR, VEC_PACK_SAT_EXPR): New tree-codes.
2476 * expr.c (expand_expr_real_1): Add case for VEC_PACK_MOD_EXPR and
2478 * tree-iniline.c (estimate_num_insns_1): Likewise.
2479 * tree-pretty-print.c (dump_generic_node, op_prio): Likewise.
2480 * optabs.c (optab_for_tree_code): Likewise.
2482 * optabs.c (expand_binop): In case of vec_pack_*_optabs the mode
2483 compared against the predicate of the result is not 'mode' (the input
2484 to the function) but a mode with half the size of 'mode'.
2485 (init_optab): Initialize new optabs.
2486 * optabs.h (OTI_vec_pack_mod, OTI_vec_pack_ssat, OTI_vec_pack_usat):
2488 (vec_pack_mod_optab, vec_pack_ssat_optab, vec_pack_usat_optab): New
2490 * genopinit.c (vec_pack_mod_optab, vec_pack_ssat_optab):
2491 (vec_pack_usat_optab): Initialize new optabs.
2492 * doc/md.texi (vec_pack_mod, vec_pack_ssat, vec_pack_usat): New.
2493 * config/rs6000/altivec.md (vec_pack_mod_v8hi, vec_pack_mod_v4si): New.
2495 2006-11-08 Richard Henderson <rth@redehat.com>
2497 * config/i386/sse.md (vec_pack_mod_v8hi, vec_pack_mod_v4si):
2498 (vec_pack_mod_v2di, vec_interleave_highv16qi, vec_interleave_lowv16qi):
2499 (vec_interleave_highv8hi, vec_interleave_lowv8hi):
2500 (vec_interleave_highv4si, vec_interleave_lowv4si):
2501 (vec_interleave_highv2di, vec_interleave_lowv2di): New.
2503 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2505 * tree-vect-transform.c (vectorizable_reduction): Support multiple
2507 (vect_transform_stmt): Removed redundant code.
2509 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2511 * tree-vect-transform.c (vectorizable_operation): Support multiple
2514 2006-11-08 Dorit Nuzman <dorit@il.ibm.com>
2516 * tree-vect-transform.c (vect_align_data_ref): Removed.
2517 (vect_create_data_ref_ptr): Added additional argument - ptr_incr.
2518 Updated function documentation. Return the increment stmt in ptr_incr.
2519 (bump_vector_ptr): New function.
2520 (vect_get_vec_def_for_stmt_copy): New function.
2521 (vect_finish_stmt_generation): Create a stmt_info to newly created
2523 (vect_setup_realignment): Call vect_create_data_ref_ptr with additional
2525 (vectorizable_reduction, vectorizable_assignment): Not supported yet if
2526 VF is greater than the number of elements that can fit in one vector
2528 (vectorizable_operation, vectorizable_condition): Likewise.
2529 (vectorizable_store, vectorizable_load): Support the case that the VF
2530 is greater than the number of elements that can fit in one vector word.
2531 (vect_transform_loop): Don't fail in case of multiple data-types.
2532 * tree-vect-analyze.c (vect_determine_vectorization_factor): Don't fail
2533 in case of multiple data-types; the smallest type determines the VF.
2534 (vect_analyze_data_ref_dependence): Don't record datarefs as same_align
2535 if they are of different sizes.
2536 (vect_update_misalignment_for_peel): Compare misalignments in terms of
2537 number of elements rather than number of bytes.
2538 (vect_enhance_data_refs_alignment): Fix/Add dump printouts.
2539 (vect_can_advance_ivs_p): Fix a dump printout
2541 2006-11-07 Eric Christopher <echristo@apple.com>
2543 * libgcc2.c (__bswapdi2): Rename from bswapDI2.
2544 (__bswapsi2): Ditto.
2545 * libgcc2.h: Remove transformation of bswap routines.
2546 * config/i386/i386.md (bswapsi2): New.
2549 2006-11-07 Jakub Jelinek <jakub@redhat.com>
2551 * c-common.c (c_common_attributes): Add gnu_inline attribyte.
2552 (handle_gnu_inline_attribute): New function.
2553 * c-decl.c (diagnose_mismatched_decls): Handle gnu_inline attribute.
2554 (merge_decls, start_decl, start_function): Likewise.
2555 * doc/extend.texi: Document gnu_inline attribute.
2557 2006-11-07 Steve Ellcey <sje@cup.hp.com>
2560 * config/ia64/t-hpux (LIB1ASMFUNCS): Filter out _fixtfdi,
2561 _fixunstfdi, and _floatditf
2563 2006-11-06 Anatoly Sokolov <aesok@post.ru>
2565 * config/avr/avr-protos.h (mask_one_bit_p, const_int_pow2_p): Remove
2567 * config/avr/avr.c (mask_one_bit_p, const_int_pow2_p): Remove.
2568 (output_movhi, ashlhi3_out, ashlsi3_out, ashrhi3_out, ashrsi3_out,
2569 lshrhi3_out, lshrsi3_out): Remove unnecessary code for handling value
2570 which start in an odd register.
2572 2006-11-07 Richard Sandiford <richard@codesourcery.com>
2574 * config/mips/mips.h (ISA_HAS_PREFETCHX): Fix typo.
2576 2006-11-07 Josh Conner <jconner@apple.com>
2578 * doc/invoke.texi (fstrict-aliasing): Move implementation
2580 * doc/tree-ssa.texi (Alias analysis): ...here.
2582 2006-11-07 Richard Guenther <rguenther@suse.de>
2584 PR tree-optimization/29610
2585 * tree-cfgcleanup.c (cleanup_control_flow): Honor return value
2586 of tree_purge_dead_eh_edges as it may free dominators.
2588 * g++.dg/other/pr29610.C: New testcase.
2590 2006-11-07 David Ung <davidu@mips.com>
2592 * config/mips/mips.c (mips_rtx_cost_optimize_size): New table of
2593 costs when optimizing for size.
2594 (override_options): Use mips_rtx_cost_optimize_size table for cost
2597 2006-11-07 Jie Zhang <jie.zhang@analog.com>
2599 * gcc.c (process_command): Treat -b as normal switch if its argument
2602 2006-11-07 David Ung <davidu@mips.com>
2604 * config/mips/mips.h (ISA_HAS_PREFETCHX): Add ISA_MIPS32R2 to the
2607 2006-11-06 Eric Christopher <echristo@apple.com>
2609 * config.gcc: Add x86_64-darwin host support.
2610 * config.host: Ditto.
2611 * config/i386/darwin64.h: New file.
2612 * config/i386/t-darwin64: Ditto.
2614 2006-11-06 Janis Johnson <janis187@us.ibm.com>
2616 * gcc/doc/sourcebuild.texi (Test Directives): Add output-exists
2617 and output-exists-not.
2619 2006-11-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
2622 * tree-vrp.c (vrp_int_const_binop): Use the correct tree when
2623 checking for overflow.
2625 2006-11-06 Jan van Dijk <jan@etpmod.phys.tue.nl>
2627 * configure.ac: Fixed typo in case statement: :: changed to ;;
2629 2006-11-06 Bob Wilson <bob.wilson@acm.org>
2631 * longlong.h (__xtensa__): Add definitions for umul_ppmm, __umulsidi3,
2632 count_leading_zeros, and count_trailing_zeros.
2633 * config/xtensa/xtensa.c (TARGET_INIT_BUILTINS): Define.
2634 (TARGET_FOLD_BUILTIN): Define.
2635 (TARGET_EXPAND_BUILTIN): Define.
2636 (xtensa_init_builtins): New.
2637 (xtensa_fold_builtin): New.
2638 (xtensa_expand_builtin): New.
2639 (xtensa_rtx_costs): Add CTZ and CLZ. Adjust costs for MULT.
2640 * config/xtensa/xtensa.h (TARGET_MUL32_HIGH): Define.
2641 (CLZ_DEFINED_VALUE_AT_ZERO): Define.
2642 (CTZ_DEFINED_VALUE_AT_ZERO): Define.
2643 * config/xtensa/xtensa.md (UNSPEC_NSAU): Remove.
2644 (any_extend): New code macro.
2645 (u, su): New code attributes.
2646 (<u>mulsidi3, <u>mulsi3_highpart, clzsi2, ctzsi2): New.
2647 (nsau): Remove; replaced by clzsi2.
2648 (ffssi2): Use clzsi2.
2649 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add _umulsidi3,
2650 _clzsi2, _ctzsi2, and _ffssi2. Rename _nsau to _clz.
2651 * config/xtensa/lib1funcs.asm (__mulsi3): Support Mul32 option.
2652 (__umulsidi3, __clzsi2, __ctzsi2, __ffssi2): New.
2653 (__nsau_data): Guard with ifdef L_clz instead of L_nsau.
2655 2006-11-06 Vladimir Prus <vladimir@codesourcery.com>
2657 * config/arm/t-strongarm-pe: (TARGET_LIBGCC2_CFLAGS): Do no
2659 * config/arm/t-strongarm-elf: Likewise.
2660 * config/arm/t-pe: Likewise.
2661 * config/arm/t-arm-elf: Likewise.
2662 * config/arm/t-xscale-elf: Likewise.
2663 * config/arm/t-arm-coff: Likewise.
2664 * config/arm/t-xscale-coff: Likewise.
2665 * config/arm/t-wince-pe: Likewise.
2667 2006-11-05 Kaz Kojima <kkojima@gcc.gnu.org>
2669 * config/sh/lib1funcs-4-300.asm: Guard entire file with
2672 2006-11-05 Jakub Jelinek <jakub@redhat.com>
2675 * fold-const.c (fold_ternary): Fix A < 0 ? <sign bit of A> : 0
2678 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2681 * config/i386/i386.c (standard_80387_constant_p): Treat -0.0 and -1.0
2682 as a valid 80387 constant.
2683 (standard_80387_constant_opcode): Return "#" for -0.0 and -1.0.
2684 * config/i386/i386.md (unnamed splitter): Split the load of
2685 constant -0.0 or -1.0 into the load of 0.0 or 1.0, followed
2688 2006-11-04 Richard Earnshaw <rearnsha@arm.com>
2690 * arm.c (thumb_legitimate_addres_p): Allow any constant offset
2691 from the soft-frame, argument and virtual registers.
2693 2006-11-04 Uros Bizjak <ubizjak@gmail.com>
2695 * config/i386/i386.md (*movxf_nointeger, *movxf_integer): Enable
2696 patterns for standard 80387 constants.
2698 2006-11-03 Paolo Bonzini <bonzini@gnu.org>
2699 Steven Bosscher <steven@gcc.gnu.org>
2701 * fwprop.c: New file.
2702 * Makefile.in: Add fwprop.o.
2703 * tree-pass.h (pass_rtl_fwprop, pass_rtl_fwprop_with_addr): New.
2704 * passes.c (init_optimization_passes): Schedule forward propagation.
2705 * rtlanal.c (loc_mentioned_in_p): Support NULL value of the second
2707 * timevar.def (TV_FWPROP): New.
2708 * common.opt (-fforward-propagate): New.
2709 * opts.c (decode_options): Enable forward propagation at -O2.
2710 * gcse.c (one_cprop_pass): Do not run local cprop unless touching jumps.
2711 * cse.c (fold_rtx_subreg, fold_rtx_mem, fold_rtx_mem_1, find_best_addr,
2712 canon_for_address, table_size): Remove.
2713 (new_basic_block, insert, remove_from_table): Remove references to
2715 (fold_rtx): Process SUBREGs and MEMs with equiv_constant, make
2716 simplification loop more straightforward by not calling fold_rtx
2718 (equiv_constant): Move here a small part of fold_rtx_subreg,
2719 do not call fold_rtx. Call avoid_constant_pool_reference
2721 * recog.h (canonicalize_change_group): New.
2723 * doc/invoke.texi (Optimization Options): Document fwprop.
2724 * doc/passes.texi (RTL passes): Document fwprop.
2726 2006-11-03 Geoffrey Keating <geoffk@apple.com>
2728 * c-decl.c (WANT_C99_INLINE_SEMANTICS): New, set to 1.
2729 (merge_decls): Implement WANT_C99_INLINE_SEMANTICS.
2730 (grokdeclarator): Likewise.
2732 2006-11-03 Steven Bosscher <steven@gcc.gnu.org>
2734 * tree-dump.c (dump_enable_all): Rename local variable
2735 ir_type to avoid name conflicts.
2736 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Check for IR_GIMPLE
2737 instead of using ir_type().
2738 * profile.c (tree_register_profile_hooks): Likewise.
2739 * value-prof.c (tree_register_value_prof_hooks): Likewise.
2740 * basic-block.h (struct edge_def): Likewise.
2741 * config/arm/arm.c (legitimize_pic_address): Likewise.
2742 * coretypes.h (ir_type): New enum of all intermediate languages
2744 * cfghooks.c (ir_type): Rename to...
2745 (current_ir_type): ...this. Distinguish between cfgrtl and
2746 cfglayout mode when the current IR is RTL. Return enum ir_type.
2747 * cfghooks.h (ir_type): Replace with current_ir_type prototype.
2749 2006-11-03 Paul Brook <paul@codesourcery.com>
2751 * config/arm/arm.c (arm_file_start): New function.
2752 (TARGET_ASM_FILE_START): Define.
2753 (arm_default_cpu): New variable.
2754 (arm_override_options): Set arm_default_cpu.
2756 2006-11-03 David Ung <davidu@mips.com>
2758 * config/mips/mips.h (processor_type): Removed PROCESSOR_24K, add
2759 PROCESSOR_24KC and PROCESSOR_24KF.
2760 * config/mips/mips.c (mips_cpu_info_table): Add processor names
2761 and aliases for 4kec/4kem/4kep/24kec/24kef/24kex/34kc/34kf/34kx.
2762 (mips_rtx_cost_data): Add costs for the 24kc.
2763 * config/mips/mips.md ("cpu"): Remove 24k, add 24kc and 24kf.
2764 * config/mips/24k.md: Remove references to 24k and replace with
2765 uses of 24kc/24kf in the appropriate reservations.
2766 * doc/invoke.texi (MIPS Options): Updated.
2768 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2770 * config/sh/crt1.asm: Fix #ifdef indent.
2772 2006-11-03 J"orn Rennecke <joern.rennecke@st.com>
2773 Merged from STMicroelectronics sources:
2774 2006-10-06 Andrew Stubbs <andrew.stubbs@st.com>
2775 * config/sh/crt1.asm (vbr_600): Add missing #if.
2776 2006-08-03 J"orn Rennecke <joern.rennecke@st.com>
2777 * sh.opt (mfused-madd): New option.
2778 * sh.md (mac_media, macsf3): Make conditional on TARGET_FMAC.
2779 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2780 * config/sh/crt1.asm (vbr_start): Move to new section .test.vbr.
2781 Remove pointless handler at VBR+0.
2782 (vbr_200, vbr_300, vbr_500): Remove pointless handler.
2783 (vbr_600): Save and restore mach and macl, fpul and fpscr and fr0 to
2784 fr7. Make sure the timer handler is called with the correct FPU
2785 precision setting, according to the ABI.
2786 2006-06-14 J"orn Rennecke <joern.rennecke@st.com>
2787 * config/sh/sh.opt (m2a-single, m2a-single-only): Fix Condition.
2788 * config/sh/sh.h (SUPPORT_SH2A_NOFPU): Fix condition.
2789 (SUPPORT_SH2A_SINGLE_ONLY, SUPPORT_SH2A_SINGLE_ONLY): Likewise.
2790 2006-06-09 J"orn Rennecke <joern.rennecke@st.com>
2791 * sh.md (cmpgeusi_t): Change into define_insn_and_split. Accept
2792 zero as second operand.
2793 2006-04-28 J"orn Rennecke <joern.rennecke@st.com>
2794 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2795 Fixed some bugs related to negative values, in particular -0
2796 and overflow at -0x80000000.
2797 * config/sh/divcost-analysis: Added sh4-300 figures.
2798 2006-04-27 J"orn Rennecke <joern.rennecke@st.com>
2799 * config/sh/t-sh (MULTILIB_MATCHES): Add -m4-300* / -m4-340 options.
2800 2006-04-26 J"orn Rennecke <joern.rennecke@st.com>
2801 * config/sh/t-sh (OPT_EXTRA_PARTS): Add libgcc-4-300.a.
2802 ($(T)div_table-4-300.o, $(T)libgcc-4-300.a): New rules.
2803 * config/sh/divtab-sh4-300.c, config/sh/lib1funcs-4-300.asm:
2805 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-4-300 for -m4-300* /
2807 2006-04-24 J"orn Rennecke <joern.rennecke@st.com>
2808 SH4-300 scheduling description & fixes to SH4-[12]00 description:
2809 * sh.md: New instruction types: fstore, movi8, fpscr_toggle, gp_mac,
2810 mac_mem, mem_mac, dfp_mul, fp_cmp.
2811 (insn_class, dfp_comp, any_fp_comp): Update.
2812 (push_fpul, movsf_ie, fpu_switch, toggle_sz, toggle_pr): Update type.
2813 (cmpgtsf_t, "cmpeqsf_t, cmpgtsf_t_i4, cmpeqsf_t_i4): Likewise.
2814 (muldf3_i): Likewise.
2815 (movsi_i): Split rI08 alternative into two separate alternatives.
2817 (movsi_ie, movsi_i_lowpart): Likewise.
2818 (movqi_i): Split ri alternative into two separate alternatives.
2820 * sh1.md (sh1_load_store, sh1_fp): Update.
2821 * sh4.md (sh4_store, sh4_mac_gp, fp_arith, fp_double_arith): Update.
2822 (mac_mem, sh4_fpscr_toggle): New insn_reservations.
2823 * sh4a.md (sh4a_mov, sh4a_load, sh4a_store, sh4a_fp_arith): Update.
2824 (sh4a_fp_double_arith): Likewise.
2825 * sh4-300.md: New file.
2826 * sh.c (sh_handle_option): Handle m4-300* options.
2827 (sh_adjust_cost): Fix latency of auto-increments.
2828 Handle SH4-300 differently than other SH4s. Check for new insn types.
2829 * sh.h (OVERRIDE_OPTIONS): Initilize sh_branch_cost if it has not
2830 been set by an option.
2831 * sh.opt (m4-300, m4-100-nofpu, m4-200-nofpu): New options.
2832 (m4-300-nofpu, -m4-340, m4-300-single, m4-300-single-only): Likewise.
2833 (mbranch-cost=): Likewise.
2834 * superh.h (STARTFILE_SPEC): Take -m4-340 into account.
2836 * sh.md (mulsf3): Remove special expansion code.
2837 (mulsf3_ie): Now a define_insn_and_split.
2838 (macsf3): Allow for TARGET_SH4.
2840 * sh.md (cbranchsi4, cbranchdi4, cbranchdi4_i): New patterns.
2841 * sh.c (prepare_cbranch_operands, expand_cbranchsi4): New functions.
2842 (expand_cbranchdi4): Likewise.
2843 (sh_rtx_costs): Give lower cost for certain CONST_INT values and for
2844 CONST_DOUBLE if the outer code is COMPARE.
2845 * sh.h (OPTIMIZATION_OPTIONS): If not optimizing for size, set
2846 TARGET_CBRANCHDI4 and TARGET_EXPAND_CBRANCHDI4.
2847 (OVERRIDE_OPTIONS): For TARGET_SHMEDIA, clear TARGET_CBRANCHDI4.
2848 (LEGITIMATE_CONSTANT_P): Also allow DImode and VOIDmode CONST_DOUBLEs.
2849 Remove redundant fp_{zero,one}_operand checks.
2850 * sh.opt (mcbranchdi, mexpand-cbranchdi, mcmpeqdi): New options.
2851 * sh-protos.h (prepare_cbranch_operands, expand_cbranchsi4): Declare.
2852 (expand_cbranchdi4): Likewise.
2853 2006-04-20 J"orn Rennecke <joern.rennecke@st.com>
2854 * sh.h (LOCAL_ALIGNMENT): Use DATA_ALIGNMENT.
2856 2006-11-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
2858 * doc/md.texi (RS6000 constraints): Document H, Z, a, t, and W
2861 2006-11-02 Brooks Moses <brooks.moses@codesourcery.com>
2863 * doc/invoke.texi: Fix mfp-trap-mode typo.
2865 2006-11-02 Carlos O'Donell <carlos@codesourcery.com>
2867 * config/arm/linux-elf.h (NEED_INDICATE_EXEC_STACK): Define as 1.
2868 * arm.c (arm_file_end): If NEED_INDICATE_EXEC_STACK call
2869 file_end_indicate_exec_stack.
2870 * arm.h [!NEED_INDICATE_EXEC_STACK] (NEED_INIDCATE_EXEC_STACK):
2872 * lib1funcs.asm [__ELF__ && __linux__]: Emit .note.GNU-stack section
2873 for a non-executable stack.
2874 * crti.asm: Likewise.
2875 * crtn.asm: Likewise.
2876 * libunwind.S: Likewise.
2878 2006-11-02 Ben Elliston <bje@au.ibm.com>
2880 * tree-ssa.c (warn_uninit): Use expand_location variables for
2881 locus and declaration locus.
2883 2006-11-02 Kaz Kojima <kkojima@gcc.gnu.org>
2886 * config/sh/sh.md (cmp{eq,gt,gtu}{si,di}_media): Remove.
2887 (cmpsi{eq,gt,gtu}{si,di}_media): Rename to
2888 cmp{eq,gt,gtu}{si,di}_media.
2889 (*cmpne0si_media): Remove.
2890 (*movsicc_umin): Adjust gen_cmp*_media call.
2891 (unordered): Change the mode of unordered and operands[1] to
2893 (seq): Adjust gen_cmp*_media calls. Make the mode of
2894 a temporary result of compare SImode if needed. If the mode
2895 of operands[0] is DImode, extend the temporary result to DImode.
2896 (slt, sle, sgt, sge, sgtu, sltu, sleu, sgue, sne): Likewise.
2897 (sunorderd): Change the mode of match_operand and unorderd to
2899 (cmpeq{sf,df}_media): Remove.
2900 (cmpsieq{sf,df}_media): Rename to cmpeq{sf,df}_media.
2901 (cmp{gt,ge,un}{sf,df}_media): Change the mode of match_operand
2902 and compare operation to SImode.
2904 2006-11-02 Eric Botcazou <ebotcazou@libertysurf.fr>
2906 * doc/install.texi (sparc-sun-solaris2*): Update GMP/MPFR build
2908 (sparc64-sun-solaris2*): Likewise.
2910 2006-11-02 Paul Brook <paul@codesourcery.com>
2912 * config/arm/arm.c (arm_elf_asm_constructor): Remove ATTRIBUTE_UNUSED
2913 from priority argument. Use different section for non-default
2915 * config/arm/elf.h: Remove definition of SUPPORTS_INIT_PRIORITY.
2917 2006-11-02 Eric Botcazou <ebotcazou@adacore.com>
2920 * except.c (switch_to_exception_section): Do not cache the section
2921 if named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
2922 and flag_function_sections is set.
2924 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2927 * builtins.c (do_mpfr_sincos): New.
2928 (fold_builtin_1): Use it to fold builtin sincos.
2930 2006-11-01 Roger Sayle <roger@eyesopen.com>
2932 * config/darwin.h (CPP_SPEC): Handle -pthread, transforming
2933 it into -D_REENTRANT.
2935 2006-11-01 Roger Sayle <roger@eyesopen.com>
2937 * configure.ac (HAVE_AS_IX86_DIFF_SECT_DELTA): New test to determine
2938 whether the assembler supports taking the difference of symbols in
2939 different sections. On x86/Solaris, GAS does but Solaris as doesn't.
2940 * configure: Regenerate.
2941 * config.in: Regenerate.
2942 * config/i386/sol2-10.h (JUMP_TABLES_IN_TEXT_SECTION): Define if
2943 the assembler doesn't support taking the difference of symbols in
2944 different sections, i.e. we're using the native solaris assembler.
2946 2006-11-01 Pete Steinmetz <steinmtz@us.ibm.com>
2947 Peter Bergner <bergner@vnet.ibm.com>
2949 * doc/invoke.texi: Add cpu_type power6x
2950 (RS/6000 and PowerPC Options): Add -mmfpgpr.
2951 * config.gcc: Add cpu_type power6x.
2952 * configure.ac: Add test for mf{t,f}gpr instructions.
2953 (HAVE_AS_MFPGPR): New.
2954 * config.in: Regenerate.
2955 * configure: Regenerate.
2956 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6x.
2957 * config/rs6000/rs6000.md (define_attr "type"): Add insert_dword,
2958 shift,trap,var_shift_rotate,cntlz,exts, var_delayed_compare, mffgpr
2959 and mftgpr attributes.
2960 (define_attr "cpu"): Add power6.
2961 Change instruction sequences to use new attributes.
2962 (floatsidf2,fix_truncdfsi2): use TARGET_MFPGPR.
2963 (fix_truncdfsi2_mfpgpr): New.
2964 (floatsidf_ppc64_mfpgpr): New.
2965 (floatsidf_ppc64): Added !TARGET_MFPGPR condition.
2966 (movdf_hardfloat64_mfpgpr,movdi_mfpgpr): New.
2967 (movdf_hardfloat64): Added !TARGET_MFPGPR condition.
2968 (movdi_internal64): Added !TARGET_MFPGPR and related conditions.
2969 (fix_truncdfsi2): Use gpc_reg_operand constraint.
2970 * config/rs6000/{6xx.md,power4.md,8540.md,603.md,mpc.md,
2971 7xx.md,rios2.md,7450.md,440.md,rios1.md,rs64.md,power5.md,40x.md}:
2972 Add descriptions for insert_dword, shift,trap,var_shift_rotate,
2973 cntlz,exts and var_delayed_compare.
2974 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
2975 _ARCH_PWR6X, if features enabled.
2976 * config/rs6000/rs6000.opt (mmfpgpr): New.
2977 * config/rs6000/rs6000.c (rs6000_align_branch_targets): New variable.
2978 (cached_can_issue_more): New variable.
2979 (processor_costs): Add power6_cost.
2980 (rs6000_sched_init): New function.
2981 (is_dispatch_slot_restricted): Deleted.
2982 (set_to_load_agen): New function.
2983 (is_load_insn,is_store_insn): New functions.
2984 (adjacent_mem_locations): New function.
2985 (insn_must_be_first_in_group): New function.
2986 (insn_must_be_last_in_group): New function.
2987 (rs6000_sched_reorder): New function.
2988 (rs6000_sched_reorder2): New function.
2989 (TARGET_SCHED_INIT,TARGET_SCHED_REORDER,
2990 TARGET_SCHED_REORDER2): Define.
2991 (processor_target_table): Use PROCESSOR_POWER6 for power6.
2992 Add power6x. Add MASK_MFPGPR for power6x.
2993 (POWERPC_MASKS): Add MASK_MFPGPR.
2994 (rs6000_override_options): Set rs6000_always_hint to false
2995 for power6. Set rs6000_align_branch_targets. Replace
2996 rs6000_sched_groups check with rs6000_align_branch_targets.
2997 Use PROCESSOR_POWER6.
2998 (last_scheduled_insn): New variable.
2999 (load_store_pendulum): New variable.
3000 (rs6000_variable_issue): Set last_scheduled_insn and
3001 cached_can_issue_more.
3002 (rs6000_adjust_cost): Add power6 cost adjustments.
3003 (rs6000_adjust_priority): Replace is_dispatch_slot_restricted
3004 with insn_must_be_first_in_group. Add power6 priority adjustments.
3005 (rs6000_issue_rate): Add CPU_POWER6.
3006 (insn_terminates_group_p): Use insn_must_be_{first,last}_in_group.
3007 * config/rs6000/rs6000.h (processor_type): Add PROCESSOR_POWER6.
3008 (TARGET_MFPGPR): New.
3009 (SECONDARY_MEMORY_NEEDED): Use TARGET_MFPGPR.
3010 (ASM_CPU_SPEC): Add power6x.
3011 (SECONDARY_MEMORY_NEEDED): Added mode!=DFmode and mode!=DImode
3013 * config/rs6000/power6.md: New file.
3015 2006-11-01 Adam Nemet <anemet@caviumnetworks.com>
3017 * tree-pretty-print.c (dump_generic_node) <INTEGER_CST>: Use
3018 HOST_WIDE_INT_PRINT to print high and low parts. Use
3019 HOST_BITS_PER_WIDE_INT for the width of HOST_WIDE_INT. When
3020 printing a hexadecimal number prefix it with 0x.
3022 2006-11-01 Chris Johns <chris@contemporary.net.au>
3025 * Makefile.in (install-driver): Use exeext when installing
3026 $target-gcc-$version.
3028 2006-11-01 Douglas Gregor <doug.gregor@gmail.com>
3030 * c-common.c (flag_cpp0x): New.
3031 * c-common.h (flag_cpp0x): New.
3032 * c-cppbuiltin.c (c_cpp_builtins): If C++0x extensions are
3033 supported, define __GXX_EXPERIMENTAL_CPP0X__.
3034 * c-opts.c (set_std_cxx0x): New.
3035 (c_common_handle_option): Handle -std=c++0x, -std=gnu++0x.
3036 * c.opt (std=c++0x): Document.
3037 (std=gnu++0x): Ditto.
3038 * doc/cpp.texi: Document __GXX_EXPERIMENTAL_CPP0X__.
3039 * doc/invoke.texi: Document -std=c++0x, -std=gnu++0x.
3041 2006-11-01 Richard Guenther <rguenther@suse.de>
3043 * config/i386/i386.c (ix86_expand_rint): Fix issues with
3045 (ix86_expand_floorceildf_32): Likewise.
3046 (ix86_expand_floorceil): Likewise.
3047 (ix86_expand_trunc): Likewise.
3049 2006-10-31 Andrew Pinski <pinskia@gmail.com>
3051 * doc/invoke.texi (-fkeep-inline-functions): Change "GNU C"
3054 2006-11-01 Danny Smith <dannysmith@users.sourceforge.net>
3056 * target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
3058 * target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
3060 * config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
3062 * doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
3063 * configure.ac (use_cxa_atexit): As a special case, don't test
3064 for libc definition of __cxa_atexit on mingw32
3065 * configure: Regenerate.
3066 * config.gcc (i[34567]86-pc-mingw32): Default to
3067 enable__cxa_atexit=yes.
3069 2006-11-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3071 * builtins.def (gamma, lgamma): Use ATTR_MATHFN_FPROUNDING_STORE.
3073 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3076 * c-decl.c (start_struct): Don't create self-containing
3078 * config/rs6000/rs6000.c (darwin_rs6000_special_round_type_align):
3080 * config/rs6000/rs6000-protos.h
3081 (darwin_rs6000_special_round_type_align): New.
3082 * config/rs6000/darwin.h (ADJUST_FIELD_ALIGN): Rewrite.
3083 (ROUND_TYPE_ALIGN): Use darwin_rs6000_special_round_type_align.
3085 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3087 * toplev.c (compile_file): Call final_write_globals
3088 even if there have been errors.
3090 2006-10-31 Eric Christopher <echristo@apple.com>
3091 Falk Hueffner <falk@debian.org>
3093 * doc/extend.texi (__builtin_bswap32): Document.
3094 (__builtin_bswap64): Ditto.
3095 * doc/libgcc.texi (bswapsi2): Document.
3097 * doc/rtl.texi (bswap): Document.
3098 * optabs.c (expand_unop): Don't widen a bswap.
3099 (init_optabs): Init bswap. Set libfuncs explicitly
3100 for bswapsi2 and bswapdi2.
3101 * optabs.h (OTI_bswap): New.
3102 (bswap_optab): Ditto.
3103 * genopinit.c (optabs): Handle bswap_optab.
3104 * tree.h (tree_index): Add TI_UINT32_TYPE and
3106 (uint32_type_node): New.
3107 (uint64_type_node): Ditto.
3108 * tree.c (build_common_tree_nodes_2): Initialize
3109 uint32_type_node and uint64_type_node.
3110 * builtins.c (expand_builtin_bswap): New.
3111 (expand_builtin): Call.
3112 (fold_builtin_bswap): New.
3113 (fold_builtin_1): Call.
3114 * fold-const.c (tree_expr_nonnegative_p): Return true
3116 * builtin-types.def (BT_UINT32): New.
3118 (BT_FN_UINT32_UINT32): Ditto.
3119 (BT_FN_UINT64_UINT64): Ditto.
3120 * builtins.def (BUILT_IN_BSWAP32): New.
3121 (BUILT_IN_BSWAP64): Ditto.
3122 * rtl.def (BSWAP): New.
3123 * genattrtab.c (check_attr_value): New.
3124 * libgcc2.c (__bswapSI2): New.
3125 (__bswapDI2): Ditto.
3126 * libgcc2.h (__bswapSI2): Declare.
3127 (__bswapDI2): Ditto.
3128 * mklibgcc.in (lib2funcs): Add _bswapsi2 and _bswapdi2.
3129 * simplify-rtx.c (simplify_const_unary_operation): Return
3131 * libgcc-std.ver (__bwapsi2): Add.
3132 (__bswapdi2): Ditto.
3133 * reload1.c (eliminate_regs_1): Add bswap.
3134 (elimination_effects): Ditto.
3135 * config/i386/i386.h (x86_bswap): New.
3136 (TARGET_BSWAP): Use.
3137 * config/i386/i386.c (x86_bswap): Set.
3139 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3141 * coverage.c (coverage_checksum_string): Update comment.
3142 * dwarf2out.c (switch_to_eh_frame_section): Update for removal
3143 of get_file_function_name.
3144 * cgraphunit.c (cgraph_build_static_cdtor): Update for rename
3145 of get_file_function_name_long.
3146 * tree.c (get_file_function_name): Rename from
3147 get_file_function_name_long; improve comment; handle 'I' and 'D'
3148 specially when the target has ctor/dtor support; remove special
3150 (get_file_function_name): Remove.
3151 * tree.h (get_file_function_name): Rename from
3152 get_file_function_name_long.
3153 (get_file_function_name): Remove prototype.
3155 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3157 * config/i386/darwin.h (PREFERRED_DEBUGGING_TYPE): Remove.
3158 * config/darwin.h (PREFERRED_DEBUGGING_TYPE): Set to DWARF2_DEBUG.
3160 * config/darwin.h (LINK_COMMAND_SPEC): Don't do weird things with -@.
3161 Call dsymutil when compiling and linking one or more source files
3164 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3167 * config/darwin.h (NO_IMPLICIT_EXTERN_C): Define.
3169 2006-10-31 Geoffrey Keating <geoffk@apple.com>
3171 * c-decl.c (grokdeclarator): Don't set DECL_EXTERNAL on
3172 inline static functions in c99 mode.
3175 * doc/extend.texi (Inline): Update.
3176 * c-tree.h (struct language_function): Remove field 'extern_inline'.
3177 * c-decl.c (current_extern_inline): Delete.
3178 (pop_scope): Adjust test for an undefined nested function.
3179 Add warning about undeclared inline function.
3180 (diagnose_mismatched_decls): Update comments. Disallow overriding
3181 of inline functions in a translation unit in C99. Allow inline
3182 declarations in C99 at any time.
3183 (merge_decls): Boolize variables. Handle C99 'extern inline'
3185 (grokdeclarator): Set DECL_EXTERNAL here for functions. Handle
3186 C99 inline semantics.
3187 (start_function): Don't clear current_extern_inline. Don't set
3189 (c_push_function_context): Don't push current_extern_inline.
3190 (c_pop_function_context): Don't restore current_extern_inline.
3193 * c-typeck.c (build_external_ref): Warn about static variables
3194 used in extern inline functions.
3195 * c-decl.c (start_decl): Warn about static variables declared
3196 in extern inline functions.
3198 2006-10-31 Roger Sayle <roger@eyesopen.com>
3201 * tree.h (tree_expr_nonnegative_p): Return "bool" instead of "int".
3202 * fold-const.c (tree_expr_nonnegative_p): Likewise. Consider
3203 pow(x,y) and powi(x,y) to be nonnegative if either x is nonnegative
3204 or y is an even integer.
3206 2006-10-31 Eric Botcazou <ebotcazou@libertysurf.fr>
3209 * gthr-posix.h (__gthread_active_p): New implementation on Solaris.
3210 * gthr-posix95.h (__gthread_active_p): Likewise.
3212 2006-10-31 Richard Guenther <rguenther@suse.de>
3214 * config/i386/i386.md (asindf2, asinsf2, asinxf2, acosdf2,
3215 acossf2, acosxf2, log1psf2, log1pdf2, log1pxf2, ilogbsi2,
3216 expsf2, expdf2, expxf2, exp10sf2, exp10df2, exp10xf2,
3217 exp2sf2, exp2df2, exp2xf2, expm1df2, expm1sf2, expm1xf2,
3218 ldexpdf3, ldexpsf3, ldexpxf3, rintxf2, rintdf2, rintsf2,
3219 lround<mode>di2, lround<mode>si2, floorxf2, floordf2, floorsf2,
3220 lfloor<mode>di2, lfloor<mode>si2, ceilxf2, ceildf2, ceilsf2,
3221 btruncxf2, btruncdf2, btruncsf2): Conditionalize expansion on
3224 2006-10-31 Steven Bosscher <steven@gcc.gnu.org>
3226 * opts.c (decode_options): Disable CSE skip blocks.
3228 2006-10-30 Dirk Mueller <dmueller@suse.de>
3230 * c-common.h (strict_aliasing_warning): Fix whitespace.
3231 * c-decl (start_function): Move code for main decl warning ..
3232 * c-common.c (check_main_parameter_types): .. here.
3233 * c-common.h (check_main_parameter_types): Declare.
3235 2006-10-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3238 * builtins.c (fold_builtin_1): Evaluate tgamma using MPFR.
3240 2006-10-30 Pete Steinmetz <steinmtz@us.ibm.com>
3242 * recog.c (store_data_bypass_p): Add support to allow IN_INSN to
3243 be a PARALLEL containing sets. Return false when out_pat is not
3246 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3248 * config/mips/mips.md (mul<mode>3): Split into...
3249 (mulsi3, muldi3): ...these separate patterns.
3251 2006-10-30 Richard Sandiford <richard@codesourcery.com>
3253 * config/mips/linux64.h (DRIVER_SELF_SPECS): Use a single spec,
3254 but with each set of options separated by spaces.
3256 2006-10-30 J"orn Rennecke <joern.rennecke@st.com>
3258 * unwind-dw2.c (uw_init_context_1): Fix test that checks if
3259 dwarf_reg_size_table has been initialized.
3261 2006-10-30 Roger Sayle <roger@eyesopen.com>
3263 * builtins.c (expand_builtin_mathfn_3): Correct coding style.
3264 * ddg.c (print_ddg_edge): Likewise.
3265 * dwarf2out.c (prune_unused_types_walk): Likewise.
3266 * ifcvt.c (noce_try_cmove_arith): Likewise.
3267 * langhooks.c (add_builtin_function): Likewise.
3268 * reg-stack.c (subst_stack_regs_pat): Likewise.
3269 * tree.c (expanded_location): Likewise.
3270 * tree-dump.c (dequeue_and_dump): Likewise.
3272 2006-10-30 David Daney <ddaney@avtrex.com>
3274 * config/mips/linux.h (NO_SHARED_SPECS): Correct syntax error.
3276 2006-10-30 Jakub Jelinek <jakub@redhat.com>
3278 PR tree-optimization/29637
3279 * tree.c (make_vector_type): Don't recurse if TYPE_MAIN_VARIANT
3280 of the innertype is the innertype itself.
3282 2006-10-30 Danny Smith <dannysmith@users.sourceforge.net>
3284 * dwarf2out.c (file_name_acquire): Correct typo.
3286 2006-10-29 Daniel Berlin <dberlin@dberlin.org>
3288 * tree.h (tree_value_handle): Remove struct value_set declaration.
3289 Change value_set to bitmap_set.
3290 * tree-pretty-print.c (dump_generic_node): Use has_stmt_ann.
3291 * tree-vn.c (get_value_handle): Made inline and moved to
3293 * tree-flow-inline.h: (has_stmt_ann): New function.
3294 * tree-ssa-pre.c (expressions): New variable.
3295 (next_expression_id): Ditto.
3296 (alloc_expression_id): New function.
3297 (struct value_set): Remove.
3298 (get_expression_id): New function.
3299 (get_or_alloc_expression_id): Ditto.
3300 (expression_for_id): Ditto.
3301 (clear_expression_ids): Ditto.
3302 (FOR_EACH_EXPR_ID_IN_SET): New macro.
3303 (bb_value_sets): Renamed to bb_bitmap_sets.
3304 All value sets replaced with bitmap_sets.
3306 (BB_VISITED): New macro.
3307 (postorder): New variable.
3308 (add_to_value): Removed.
3309 (value_exists_in_set_bitmap): Ditto.
3310 (value_insert_into_set_bitmap): Ditto.
3313 (set_remove): Ditto.
3314 (set_contains_value): Ditto.
3315 (insert_into_set): Ditto.
3317 (find_leader): Ditto.
3318 (bitmap_set_subtract_from_value_set): Ditto.
3319 (value_insert_into_set): Ditto.
3320 (print_value_set): Ditto.
3321 (debug_value_set): Ditto.
3322 (constant_expr_p): New function.
3323 (bitmap_remove_from_set): Ditto.
3324 (bitmap_insert_into_set): Ditto.
3325 (bitmap_set_free): Ditto.
3326 (vh_compare): Ditto.
3327 (sorted_array_from_bitmap_set): Ditto.
3328 (bitmap_set_subtract): Ditto.
3329 (bitmap_set_equal): Ditto.
3330 (debug_bitmap_set): Ditto.
3331 (find_leader_in_sets): Ditto.
3332 (bitmap_set_replace_value): Modify for bitmapped sets.
3333 (phi_translate): Ditto.
3334 (phi_translate_set): Ditto.
3335 (bitmap_find_leader): Ditto.
3336 (valid_in_sets): Ditto.
3337 (union_contains_value): Ditto.
3339 (compute_antic_aux): Ditto. Mark changed blocks.
3340 (compute_antic): Ditto. Iterate in postorder and only over
3342 (compute_rvuse_and_antic_safe): Reuse postorder.
3343 (create_component_ref_by_pieces): Modify for bitmapped sets.
3344 (find_or_generate_expression): Ditto.
3345 (create_expression_by_pieces): Ditto.
3346 (insert_into_preds_of_block): Ditto.
3347 (changed_blocks): New variable.
3348 (do_regular_insertion): Broken out from insert_aux.
3349 (insert_aux): Modified for bitmapped sets.
3350 (find_existing_value_expr): New function.
3351 (create_value_expr_from): Use it.
3352 (insert_extra_phis): Removed.
3353 (print_bitmap_set): Renamed from bitmap_print_value_set.
3354 (compute_avail): Handle RETURN_EXPR.
3355 (init_pre): Modify for bitmapped sets.
3356 * tree-flow.h (has_stmt_ann): New function.
3358 2006-10-29 Roger Sayle <roger@eyesopen.com>
3360 * builtins.c (fold_builtin_floor): Check for the availability of
3361 the C99 trunc function before transforming floor into trunc.
3363 2006-10-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3365 * builtins.c (fold_builtin_hypot): Rearrange recursive
3366 transformation before others, and also do ABS_EXPR. When
3367 necessary, check flag_unsafe_math_optimizations. When necessary,
3370 2006-10-29 Roger Sayle <roger@eyesopen.com>
3372 * fold-const.c (fold_comparison): Fold ~X op ~Y as Y op X.
3373 Fold ~X op C as X op' ~C, where op' is the swapped comparison.
3374 (fold_binary): ~X eq/ne C is now handled in fold_comparison.
3375 Fold -X eq/ne -Y as X eq/ne Y.
3377 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3379 * config/mips/mips.md (mul<mode>3): Check ISA_HAS_MUL3 rather than
3380 GENERATE_MULT3_<MODE>. Restrict the test to SImode. Use ISA_HAS_MUL3
3381 rather than GENERATE_MULT3_SI in the various define_peephole2s.
3382 (mulsi3_mult3): Depend on ISA_HAS_MUL3 rather than GENERATE_MULT3_SI.
3383 Use an inclusive test for "mult" rather than "mul".
3384 (rotr<mode>3): Depend on ISA_HAS_ROR.
3385 * config/mips/mips.h (GENERATE_MULT3_SI): Delete in favor of
3387 (GENERATE_MULT3_DI): Delete.
3388 (ISA_HAS_64BIT_REGS): Use consistent formatting.
3389 (ISA_HAS_MUL3): New macro.
3390 (ISA_HAS_CONDMOVE, ISA_HAS_8CC): Use consistent formatting.
3391 (ISA_HAS_FP4, ISA_HAS_MADD_MSUB, ISA_HAS_NMADD_NMSUB): Likewise.
3392 (ISA_HAS_CLZ_CLO): Likewise.
3393 (ISA_HAS_DCLZ_DCLO): Delete.
3394 (ISA_HAS_MULHI, ISA_HAS_MULS, ISA_HAS_MSAC): Require !TARGET_MIPS16.
3395 (ISA_HAS_MACC): Require !TARGET_MIPS16 for all ISAs, not just
3396 the VR4120 and VR4130.
3397 (ISA_HAS_MACCHI): Use consistent formatting.
3398 (ISA_HAS_ROTR_SI, ISA_HAS_ROTR_DI): Delete in favor of...
3399 (ISA_HAS_ROR): ...this new macro.
3400 (ISA_HAS_PREFETCH, ISA_HAS_PREFETCHX): Use consistent formatting.
3401 (ISA_HAS_SEB_SEH, ISA_HAS_EXT_INS): Likewise.
3402 (ISA_HAS_LOAD_DELAY): Use ISA_MIPS1.
3404 2006-10-29 Roger Sayle <roger@eyesopen.com>
3406 PR tree-optimization/15458
3407 * fold-const.c (fold_binary): Optimize ~X ^ C as X ^ ~C, where C
3410 2006-10-29 Richard Guenther <rguenther@suse.de>
3412 * config/i386/i386-protos.h (ix86_expand_trunc): Declare.
3413 (ix86_expand_truncdf_32): Likewise.
3414 * config/i386/i386.c (ix86_expand_trunc): New function expanding
3415 trunc inline for SSE math and -fno-trapping-math and if not
3416 optimizing for size.
3417 (ix86_expand_truncdf_32): Same for DFmode on 32bit archs.
3418 * config/i386/i386.md (btruncsf2, btruncdf2): Adjust expanders
3419 for expanding btrunc inline for SSE math.
3421 2006-10-29 Joseph Myers <joseph@codesourcery.com>
3423 * config.gcc (i[34567]86-*-linux*): Handle --enable-targets=all.
3424 Handle tuning for bi-arch i[34567]86-*-linux* like that for
3425 i[34567]86-*-solaris2.1[0-9]*.
3426 * config/i386/linux64.h (TARGET_VERSION, MULTILIB_DEFAULTS):
3427 Define conditionally depending on TARGET_64BIT_DEFAULT.
3428 (SPEC_32, SPEC_64): Define.
3429 (LINK_SPEC): Use them.
3430 * doc/install.texi (--enable-targets=all): Document for x86-linux.
3432 2006-10-29 Richard Guenther <rguenther@suse.de>
3434 * config/i386/i386-protos.h (ix86_expand_round): Declare.
3435 (ix86_expand_rounddf_32): Likewise.
3436 * config/i386/i386.c (ix86_expand_round): New function expanding
3437 round inline for SSE math and -fno-trapping-math and if not
3438 optimizing for size.
3439 (ix86_expand_rounddf_32): Same for DFmode on 32bit archs.
3440 * config/i386/i386.md (rounddf2, roundsf2): New pattern expanding
3441 round via ix86_expand_round.
3443 2006-10-29 Richard Guenther <rguenther@suse.de>
3445 * config/i386/i386-protos.h (ix86_expand_floorceil): Declare.
3446 (ix86_expand_floorceildf_32): Likewise.
3447 * config/i386/i386.c (ix86_expand_sse_compare_mask): New
3448 static helper function.
3449 (ix86_expand_floorceil): Expander for floor and ceil to SSE
3451 (ix86_expand_floorceildf_32): Same for DFmode on 32bit archs.
3452 * config/i386/i386.md (floordf2): Adjust to enable floor
3453 expansion via ix86_expand_floorceil if TARGET_SSE_MATH and
3454 -fno-trapping-math is enabled and if not optimizing for size.
3455 (floorsf2, ceildf2, ceilsf2): Likewise.
3456 * config/i386/sse.md (sse_maskcmpsf3): New insn.
3457 (sse2_maskcmpdf3): Likewise.
3459 2006-10-29 Richard Guenther <rguenther@suse.de>
3461 * builtins.c (expand_builtin_mathfn): Expand nearbyint as
3462 rint in case -fno-trapping-math is enabled.
3463 * config/i386/i386-protos.h (ix86_expand_rint): Declare.
3464 * config/i386/i386.c (ix86_gen_TWO52): New static helper function.
3465 (ix86_expand_sse_fabs): Likewise.
3466 (ix86_expand_rint): New function expanding rint to x87 or SSE math.
3467 * config/i386/i386.md (rintdf2): Enable for SSE math if
3468 -fno-trapping-math is enabled, use ix86_expand_rint for expansion.
3469 (rintsf2): Likewise.
3471 2006-10-29 Richard Guenther <rguenther@suse.de>
3473 * genopinit.c (optabs): Change lfloor_optab and lceil_optab
3474 to conversion optabs.
3475 * optabs.c (init_optabs): Initialize lfloor_optab and lceil_optab
3476 as conversion optab.
3477 * optabs.h (enum optab_index): Remove OTI_lfloor and OTI_lceil.
3478 (enum convert_optab_index): Add COI_lfloor and COI_lceil.
3479 (lfloor_optab, lceil_optab): Adjust defines.
3480 * builtins.c (expand_builtin_int_roundingfn): Adjust for
3481 lfloor and lceil optabs now being conversion optabs.
3482 * config/i386/i386-protos.h (ix86_expand_lfloorceil): Declare.
3483 * config/i386/i386.c (ix86_expand_sse_compare_and_jump):
3484 New static helper function.
3485 (ix86_expand_lfloorceil): New function to expand lfloor and
3487 * config/i386/i386.md (lfloor<mode>2): Split into ...
3488 (lfloorxf<mode>2): ... x87 variant
3489 (lfloor<mode>di2, lfloor<mode>si2): ... and SSE variants
3490 using ix86_expand_lfloorceil.
3491 (lceil<mode>2, lceilxf<mode>2, lceil<mode>di2, lceil<mode>si2):
3493 * doc/md.texi (lfloorMN, lceilMN): Document.
3495 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3497 * configure.ac (HAVE_AS_NO_SHARED): New AC_DEFINE. Test for the
3498 -mno-shared assembler option on mips targets.
3499 * configure, config.in: Regenerate.
3500 * config/mips/linux.h (NO_SHARED_SPECS): New macro.
3501 (DRIVER_SELF_SPECS): Define to NO_SHARED_SPECS if non-empty.
3502 * config/mips/linux64.h (DRIVER_SELF_SPECS): Include NO_SHARED_SPECS.
3504 2006-10-29 Richard Sandiford <richard@codesourcery.com>
3506 * config/mips/mips.c (mips_classify_symbol): Test DECL_WEAK as well
3507 as TREE_PUBLIC when deciding whether to return SYMBOL_GOT_GLOBAL.
3509 2006-10-29 Kazu Hirata <kazu@codesourcery.com>
3511 * config/darwin.c, config/darwin.opt, config/ia64/itanium1.md,
3512 config/ia64/itanium2.md, real.c, tree-ssa-structalias.c: Fix
3515 2006-10-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3518 * builtins.c (do_mpfr_arg2, fold_builtin_hypot): New.
3519 (fold_builtin_pow): Evaluate constant arguments at compile-time
3521 (fold_builtin_1): Handle BUILT_IN_ATAN2 and BUILT_IN_HYPOT.
3522 (do_mpfr_ckconv): New helper function.
3523 (do_mpfr_arg1): Use do_mpfr_ckconv.
3524 (do_mpfr_arg2): New.
3526 2006-10-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
3529 * doc/invoke.texi (-fdump-rtl-sched2) Fix file extension number.
3530 (-fdump-rtl-sched): Rename to ..
3531 (-fdump-rtl-sched1): here. Also fix file extension number.
3533 2006-10-28 Richard Guenther <rguenther@suse.de>
3535 * fold-const.c (maybe_canonicalize_comparison): Fix code
3538 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3540 * config/i386/i386.h (GENERAL_REGNO_P): Use STACK_POINTER_REGNUM.
3541 (NON_QI_REG_P): Use IN_RANGE.
3542 (REX_INT_REGNO_P): Use IN_RANGE.
3543 (FP_REGNO_P): Use IN_RANGE.
3544 (SSE_REGNO_P): Use IN_RANGE.
3545 (REX_SSE_REGNO_P): Use IN_RANGE.
3546 (MMX_REGNO_P): Use IN_RANGE.
3547 (STACK_REGNO_P): New macro.
3548 (STACK_REG_P): Use STACK_REGNO_P.
3549 (NON_STACK_REG_P): Use STACK_REGNO_P.
3550 (REGNO_OK_FOR_INDEX_P): Use REX_INT_REGNO_P.
3551 (REGNO_OK_FOR_BASE_P): Use GENERAL_REGNO_P.
3552 (REG_OK_FOR_INDEX_NONSTRICT_P): Use REX_INT_REGNO_P.
3553 (REG_OK_FOR_BASE_NONSTRICT_P): Use GENERAL_REGNO_P.
3554 (HARD_REGNO_RENAME_OK): Use !IN_RANGE.
3556 2006-10-28 Eric Botcazou <ebotcazou@adacore.com>
3558 * except.h (output_function_exception_table): Add 'const char*' param.
3559 * except.c (switch_to_exception_section): Add 'const char*' param.
3560 If named sections are supported and HAVE_LD_EH_GC_SECTIONS is defined
3561 and flag_function_sections is set, use a function-specific section.
3562 (output_function_exception_table): Add 'const char*' param.
3563 Adjust call to switch_to_exception_section.
3564 * final.c (rest_of_handle_final): Adjust calls to
3565 output_function_exception_table.
3566 * configure.ac (HAVE_LD_EH_GC_SECTIONS): New check.
3567 * config.in: Regenerate.
3568 * configure: Likewise.
3570 2006-10-28 Richard Guenther <rguenther@suse.de>
3573 * fold-const.c (maybe_canonicalize_comparison_1): Helper
3574 for maybe_canonicalize_comparison.
3575 (maybe_canonicalize_comparison): New function for canonicalizing
3577 (fold_comparison): Call it to canonicalize comparisons with
3580 2006-10-28 Richard Guenther <rguenther@suse.de>
3583 * builtins.c (expand_builtin_int_roundingfn_2): Expand
3584 BUILT_IN_LROUND and BUILT_IN_LLROUND from here.
3585 (expand_builtin): Adjust likewise.
3586 * genopinit.c (optabs[]): Add lround optab.
3587 * optabs.c (init_optabs): Initialize lround_optab.
3588 * optabs.h (enum convert_optab_index): Add COI_lround.
3589 (lround_optab): Define.
3590 * config/i386/i386-protos.h (ix86_expand_lround): Declare.
3591 * config/i386/i386.c (ix86_sse_copysign_to_positive): New
3593 (ix86_expand_lround): New function.
3594 * config/i386/i386.md (lround<mode>di2, lround<mode>si2):
3596 * doc/md.texi (lroundMN2): Document.
3598 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3601 * config/h8300/h8300.c (h8300_emit_stack_adjustment): Change "size"
3602 argument to HOST_WIDE_INT. Update function prototype.
3603 (round_frame_size): Change return type to HOST_WIDE_INT. Change
3604 "size" argument to HOST_WIDE_INT. Update function prototype.
3606 2006-10-28 Uros Bizjak <uros@kss-loka.si>
3608 * config/i386/i386.c (output_387_ffreep): Create output from a
3609 template string for !HAVE_AS_IX86_FFREEP.
3611 2006-10-27 Eric Christopher <echristo@apple.com>
3613 * config/darwin.c: Fix formatting and grammar.
3615 2006-10-27 Jan Hubicka <jh@suse.cz>
3617 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
3618 to be thrown away soon when IGNORE is set.
3619 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
3620 indicating when return value shall not be computed.
3621 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
3623 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
3625 * config/i386/i386.h (TARGET_GEODE):
3626 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
3627 (TARGET_CPU_DEFAULT_geode): New macro.
3628 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
3629 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
3630 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
3631 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
3632 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
3634 (TARGET_CPU_DEFAULT_NAMES): Add geode.
3635 (processor_type): Add PROCESSOR_GEODE.
3637 * config/i386/i386.md: Include geode.md.
3640 * config/i386/i386.c (geode_cost): New initialized global
3642 (m_GEODE, m_K6_GEODE): New macros.
3643 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
3644 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
3645 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
3646 x86_schedule): Use m_K6_GEODE instead of m_K6.
3647 (x86_movx, x86_cmove): Set up m_GEODE.
3648 (x86_integer_DFmode_moves): Clear m_GEODE.
3649 (processor_target_table): Add entry for geode.
3650 (processor_alias_table): Ditto.
3652 * config/i386/geode.md: New file.
3654 * doc/invoke.texi: Add entry about geode processor.
3656 2006-10-27 Mike Stump <mrs@apple.com>
3658 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
3659 __DYNAMIC__ from here back to ...
3660 * config/darwin.h (CPP_SPEC): ... here.
3662 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3663 Nathan Sidwell <nathan@codesourcery.com>
3665 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
3666 when choosing the minimum heapsize.
3668 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
3670 * gcc/unwind-dw2.h: Move cfa-related variables into
3671 struct frame_state_reg_info to ensure that the CFA is properly
3672 handled when executing DW_CFA_{remember,restore}_state.
3673 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
3674 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
3675 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
3676 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
3677 gcc/config/rs6000/linux-unwind.h,
3678 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
3679 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
3680 Modify to use new cfa_* fields.
3682 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
3684 * config/s390/s390.c (s390_init_frame_layout): Check positive
3687 2006-10-26 Ben Elliston <bje@au.ibm.com>
3689 * gimplify.c (get_name): Remove extraneous break.
3690 (gimplify_omp_for): Initialise ret with GS_OK.
3692 2006-10-25 Steve Ellcey <sje@cup.hp.com>
3694 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
3695 Add unix98.o to link line.
3697 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3700 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
3701 Calculate compile-time constants using MPFR.
3702 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
3703 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
3705 2006-10-25 Bob Wilson <bob.wilson@acm.org>
3707 * config/xtensa/lib2funcs.S: Use C-style comments.
3709 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
3711 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
3712 (file_table_relative_p): Likewise.
3713 (dwarf2out_finish): Likewise.
3714 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
3716 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
3718 * tree-ssa-structalias.c (intra_create_variable_infos):
3719 Don't recreate nonlocal_all if it already exists.
3721 2006-10-25 Richard Guenther <rguenther@suse.de>
3724 * optabs.h (enum optab_index): Remove OTI_lrint.
3725 (enum convert_optab_index): Add COI_lrint.
3726 (lrint_optab): Adjust.
3727 (expand_sfix_optab): Declare.
3728 * optabs.c (expand_sfix_optab): New function.
3729 (init_optabs): Init lrint_optab as conversion optab.
3730 * genopinit.c (lrint_optab): Change to a conversion optab.
3731 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
3732 expansion via conversion optab.
3733 * config/i386/i386.md (*fistdi2_1): Remove
3734 flag_unsafe_math_optimizations guard.
3735 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
3736 fist<mode>2_with_temp): Likewise.
3737 (lrint<mode>2): Split into...
3738 (lrintxf<mode>2): ... x87 part
3739 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
3740 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
3741 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
3742 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
3743 * doc/md.texi (lrintMN2): Document.
3745 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3748 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
3749 Use inc and dec instructions for TARGET_USE_INCDEC.
3750 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
3751 ("sync_double_compare_and_swap<mode>"): Likewise.
3752 ("*sync_double_compare_and_swapdi_pic"): Likewise.
3753 ("*sync_compare_and_swap_cc<mode>"): Likewise.
3754 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
3755 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
3756 ("sync_old_add<mode>"): Likewise.
3757 ("sync_lock_test_and_set<mode>"): Likewise.
3758 ("sync_lock_test_and_set<mode>"): Likewise.
3759 ("sync_add<mode>"): Likewise.
3760 ("sync_sub<mode>"): Likewise.
3761 ("sync_ior<mode>"): Likewise.
3762 ("sync_and<mode>"): Likewise.
3763 ("sync_xor<mode>"): Likewise.
3765 2006-10-25 Uros Bizjak <uros@kss-loka.si>
3767 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
3768 (remainder_optab): Define corresponding macro.
3769 (drem_optab): Remove.
3770 * optabs.c (init_optabs): Initialize remainder_optab. Remove
3771 drem_optab initialization.
3772 * genopinit.c (optabs): Implement remainder_optab using
3773 remainder?f3 patterns. Remove drem_optab.
3774 * builtins.c (expand_builtin_mathfn_2): Handle
3775 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
3776 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
3777 expand_builtin_mathfn_2.
3779 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
3780 depend on flag_unsafe_math_optimizations.
3782 * config/i386/i386.md ("remaindersf3", "remainderdf3")
3783 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
3784 Do not depend on flag_unsafe_math_optimizations. Use
3785 truncxf?f expander instead of truncxf?f_i387_noop.
3787 ("fpremxf4", "fprem1xf4"): Do not depend on
3788 flag_unsafe_math_optimizations.
3789 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
3790 flag_unsafe_math_optimizations. Use truncxf?f expander
3791 instead of truncxf?f_i387_noop.
3793 * doc/md.texi (fmod, remainder): Document standard named pattern.
3795 2006-10-24 Richard Sandiford <richard@codesourcery.com>
3796 David Daney <ddaney@avtrex.com>
3799 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
3801 2006-10-25 Ben Elliston <bje@au.ibm.com>
3803 * doc/extend.texi (Variable Attributes): Typo fix.
3805 2006-10-24 Uros Bizjak <uros@kss-loka.si>
3807 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
3808 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
3809 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
3810 (FRAME_POINTER_REGNUM): Update register number to 21.
3811 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
3812 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
3814 * config/i386/i386.c (regclass_map): Add fpcr entry.
3815 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
3817 (print_reg): Assert REGNO (x) != FPCR_REG.
3819 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
3820 (DIRFLAG_REG): Renumber.
3821 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
3822 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
3823 (sse_prologue_save, *sse_prologue_save_insn): Renumber
3824 hardcoded SSE register numbers.
3826 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
3827 hardcoded MMX register numbers.
3829 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3832 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
3833 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
3835 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
3836 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
3837 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
3838 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
3840 2006-10-24 Richard Guenther <rguenther@suse.de>
3843 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
3844 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
3845 for deciding optimizations in consistency with fold-const.c
3846 (fold_builtin_unordered_cmp): Likewise.
3848 2006-10-24 Richard Guenther <rguenther@suse.de>
3850 * builtins.c (fold_builtin_floor): Fold floor (x) where
3851 x is nonnegative to trunc (x).
3852 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
3853 nonnegative to FIX_TRUNC_EXPR.
3855 2006-10-24 Richard Guenther <rguenther@suse.de>
3857 PR tree-optimization/29567
3858 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
3859 for TRUTH_NOT_EXPR. Clarify comments.
3861 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3864 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
3865 at compile-time using MPFR. Change parameter VALUE to FUNC,
3867 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
3868 for overflow and underflow at all times and avoid folding in
3871 2006-10-24 Ben Elliston <bje@au.ibm.com>
3873 * reload1.c: Formatting fixes.
3875 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
3877 PR tree-optimization/14784
3878 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
3879 * tree-ssa-structalias.c (get_constraint_for,
3880 intra_create_variable_infos): Set is_heapvar.
3881 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
3882 non-heapvar pointer variables specially.
3884 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3887 * builtins.c (fold_builtin_sin, fold_builtin_cos,
3888 fold_builtin_tan): Fold all constant arguments. Take a "type"
3889 argument as necessary.
3890 (do_mpfr_arg1): New.
3891 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
3893 2006-10-23 Bob Wilson <bob.wilson@acm.org>
3895 * config/xtensa/lib1funcs.asm: Use C-style comments.
3897 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
3899 * tree.c (local_define_builtin): Replace calls to
3900 lang_hooks.builtin_function with add_builtin_function.
3901 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
3903 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
3905 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
3906 common code to add_builtin_function.
3907 * langhooks.c (add_builtin_function): New function.
3908 (lhd_builtin_function): New function.
3909 * langhooks.h (struct lang_hooks): Change the signature of
3911 (add_builtin_function): New function.
3912 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
3913 calls to lang_hooks.builtin_function with add_builtin_function.
3914 * c-common.c (decl_builtin_1): Replace calls to
3915 lang_hooks.builtin_function with add_builtin_function.
3916 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
3917 lang_hooks.builtin_function with add_builtin_function.
3918 * config/frv/frv.c (def_builtin): Replace calls to
3919 lang_hooks.builtin_function with add_builtin_function.
3920 * config/s390/s390.c (s390_init_builtins): Replace calls to
3921 lang_hooks.builtin_function with add_builtin_function.
3922 * config/sparc/sparc.c (def_builtin): Replace calls to
3923 lang_hooks.builtin_function with add_builtin_function.
3924 * config/i386/i386.c (def_builtin): Replace calls to
3925 lang_hooks.builtin_function with add_builtin_function.
3926 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
3927 lang_hooks.builtin_function with add_builtin_function.
3928 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
3929 lang_hooks.builtin_function with add_builtin_function.
3930 * config/stormy16/stormy16.c (xstormy16_init_builtins):
3931 Replace calls to lang_hooks.builtin_function with
3932 add_builtin_function.
3933 * config/iq2000/iq2000.c (def_builtin):
3934 Replace calls to lang_hooks.builtin_function with
3935 add_builtin_function.
3936 * config/ia64/ia64.c (def_builtin): Replace calls to
3937 lang_hooks.builtin_function with add_builtin_function.
3938 * config/rs6000/rs6000.c (def_builtin): Replace calls to
3939 lang_hooks.builtin_function with add_builtin_function.
3940 (altivec_init_builtins): Replace calls to
3941 lang_hooks.builtin_function with add_builtin_function.
3942 * config/arm/arm.c (def_mbuiltin): Replace calls to
3943 lang_hooks.builtin_function with add_builtin_function.
3944 (arm_init_tls_builtins): Replace calls to
3945 lang_hooks.builtin_function with add_builtin_function.
3946 * config/mips/mips.c (mips_init_builtins): Replace calls to
3947 lang_hooks.builtin_function with add_builtin_function.
3948 * config/bfin/bfin.c (def_builtin): Replace calls to
3949 lang_hooks.builtin_function with add_builtin_function.
3950 * langhooks-def.h (lhd_builtin_function): New function.
3951 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
3953 2006-10-23 Jakub Jelinek <jakub@redhat.com>
3955 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
3956 BUILT_IN_STRNCAT_CHK.
3958 2006-10-23 Jan Hubicka <jh@suse.cz>
3960 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
3961 don't do conversion from memmove to memcpy here.
3962 (expand_builtin_bcopy, expand_builtin): Update call of
3963 expand_builtin_memmove.
3964 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
3966 2006-10-23 Paul Brook <paul@codesourcery.com>
3968 * stor-layout.c (start_record_layout): maximum_field_alignment
3969 overrides STRUCTURE_SIZE_BOUNDARY.
3971 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
3973 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
3974 nonlocal function symbols if flag_pic.
3976 2006-10-23 Richard Guenther <rguenther@suse.de>
3980 * builtins.c (fold_binary): Remove checks for flag_wrapv
3981 and flag_trapv where negate_expr_p covers these cases.
3983 2006-10-23 Richard Guenther <rguenther@suse.de>
3986 * fold-const.c (fold_plusminus_mult_expr): Check exact power
3987 of two on the absolute value.
3988 (fold_binary): Fold x * -C to -x * C if x is easily negatable
3989 and negating -C does not overflow.
3991 2006-10-23 Richard Guenther <rguenther@suse.de>
3994 * convert.c (convert_to_real): Fold (float)-x to -(float)x
3995 only if not flag_rounding_math.
3997 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3998 Kaz Kojima <kkojima@gcc.gnu.org>
4001 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
4002 SImode memory reference for the source of a movua.
4003 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
4004 (movua): Use an unspec instead of sign_extract. Expect the source
4005 to have mode BLKmode.
4006 (extv, insv): Use a BLKmode rather than SImode memory reference
4007 for the source of a movua.
4009 2006-10-22 Jeff Law <law@redhat.com>
4010 Richard Guenther <rguenther@suse.de>
4012 PR tree-optimization/15911
4013 * tree-vrp.c (extract_code_and_val_from_cond): New function.
4014 (register_edge_assert_for_1): Likewise.
4015 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
4016 (find_conditional_asserts): Adjust for new function signature.
4017 (find_assert_locations): Likewise.
4019 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4021 * config/i386/tmmintrin.h: Remove the duplicated content.
4023 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
4025 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
4026 (x86_64-*-*): Likewise.
4028 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
4029 (override_options): Check SSSE3.
4030 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
4031 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
4032 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
4033 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
4034 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
4035 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
4036 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
4037 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
4038 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
4039 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
4040 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
4041 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
4042 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
4043 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
4044 IX86_BUILTIN_PABSD128.
4045 (bdesc_2arg): Add SSSE3.
4046 (bdesc_1arg): Likewise.
4047 (ix86_init_mmx_sse_builtins): Support SSSE3.
4048 (ix86_expand_builtin): Likewise.
4049 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
4051 * config/i386/i386.md (UNSPEC_PSHUFB): New.
4052 (UNSPEC_PSIGN): Likewise.
4053 (UNSPEC_PALIGNR): Likewise.
4054 Include mmx.md before sse.md.
4056 * config/i386/i386.opt: Add -mssse3.
4058 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
4059 (ssse3_phaddwv4hi3): Likewise.
4060 (ssse3_phadddv4si3): Likewise.
4061 (ssse3_phadddv2si3): Likewise.
4062 (ssse3_phaddswv8hi3): Likewise.
4063 (ssse3_phaddswv4hi3): Likewise.
4064 (ssse3_phsubwv8hi3): Likewise.
4065 (ssse3_phsubwv4hi3): Likewise.
4066 (ssse3_phsubdv4si3): Likewise.
4067 (ssse3_phsubdv2si3): Likewise.
4068 (ssse3_phsubswv8hi3): Likewise.
4069 (ssse3_phsubswv4hi3): Likewise.
4070 (ssse3_pmaddubswv8hi3): Likewise.
4071 (ssse3_pmaddubswv4hi3): Likewise.
4072 (ssse3_pmulhrswv8hi3): Likewise.
4073 (ssse3_pmulhrswv4hi3): Likewise.
4074 (ssse3_pshufbv16qi3): Likewise.
4075 (ssse3_pshufbv8qi3): Likewise.
4076 (ssse3_psign<mode>3): Likewise.
4077 (ssse3_psign<mode>3): Likewise.
4078 (ssse3_palignrti): Likewise.
4079 (ssse3_palignrdi): Likewise.
4080 (abs<mode>2): Likewise.
4081 (abs<mode>2): Likewise.
4083 * config/i386/tmmintrin.h: New file.
4085 * doc/extend.texi: Document SSSE3 built-in functions.
4087 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
4089 2006-10-22 Ira Rosen <irar@il.ibm.com>
4091 * tree-vect-transform.c (vectorizable_load): Use the type of the
4092 return value of the mask_for_load builtin to create realign_load
4095 2006-10-22 Richard Sandiford <richard@codesourcery.com>
4097 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
4100 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
4102 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
4103 (UNSPEC_LDDQU): This.
4104 * config/i386/sse.md (sse3_lddqu): Updated.
4106 2006-10-21 Richard Guenther <rguenther@suse.de>
4108 * builtins.c (expand_builtin_int_roundingfn_2): New function.
4109 (expand_builtin): Use it to expand lrint instead of
4110 expand_builtin_mathfn.
4112 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4115 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
4116 flag_unsafe_math_optimizations is set.
4118 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4121 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
4122 patterns to use memory input operand in x87->mem->XMM
4123 reload sequences. Skip transformation for TARGET_K8.
4125 2006-10-21 Uros Bizjak <uros@kss-loka.si>
4127 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4128 force operand1 to register if both operands are memory operands.
4129 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
4130 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
4131 if both operands are memory operands.
4132 (truncdfsf2): Do not force operand1 to register if both operands
4133 are memory operands.
4135 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4137 * Makefile.in (LIBS): Add $(GMPLIBS).
4138 * doc/install.texi: Update GMP and MPFR requirements.
4139 * doc/sourcebuild.texi (need_gmp): Delete.
4141 2006-10-21 Richard Guenther <rguenther@suse.de>
4143 PR tree-optimization/3511
4144 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
4145 got new invariant arguments during PHI translation.
4147 2006-10-21 Richard Guenther <rguenther@suse.de>
4150 * fold-const.c (fold_comparison): Fold signed comparisons
4151 of the form X +- C1 CMP Y +- C2.
4153 2006-10-21 Richard Guenther <rguenther@suse.de>
4156 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
4157 if flag_unsafe_math_optimizations is specified. We have
4158 flag_finite_math_only for that.
4159 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
4160 or flag_unsafe_math_optimizations.
4162 2006-10-21 Richard Guenther <rguenther@suse.de>
4164 * builtins.c (fold_builtin_classify): Fix typo.
4166 2006-10-21 Richard Guenther <rguenther@suse.de>
4169 * simplify-rtx.c (simplify_const_relational_operation):
4170 Do not constant-fold ORDERED and UNORDERED for
4171 flag_unsafe_math_optimizations but only we do not need to
4172 honor NaNs for the given mode.
4174 2006-10-21 Richard Guenther <rguenther@suse.de>
4177 * config/i386/i386.c (classify_argument): Remove redundant
4178 walking of the BINFOs.
4179 (contains_128bit_aligned_vector_p): Likewise.
4181 2006-10-20 Mark Mitchell <mark@codesourcery.com>
4183 * BASE-VER: Set to 4.3.0.
4185 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
4187 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
4188 (tree_decl_with_vis): Remove artificial_pta_var flag.
4189 * tree-flow.h (referenced_var_check_and_insert): Expose.
4190 (nonlocal_all): New prototype.
4191 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
4192 (nonlocal_all): Make global.
4193 (nonlocal_lookup): Remove.
4194 (nonlocal_insert): Ditto.
4195 (create_nonlocal_var): Do not call nonlocal_insert.
4196 (get_nonlocal_id_for_type): Remove.
4197 (find_global_initializers): Mark new vars we find for renaming.
4198 (intra_create_variable_infos): Only create one nonlocal.
4199 (expand_nonlocal_solutions): Remove.
4200 (compute_points_to_sets): Don't call it.
4201 (ipa_pta_execute): Ditto.
4202 (init_alias_heapvars): Don't create nonlocal_for_type.
4203 (delete_alias_heapvars): Don't remove it.
4204 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
4207 2006-10-19 Brooks Moses <bmoses@stanford.edu>
4209 * doc/install.texi (Downloading GCC): Clarify mention of
4210 Fortran in the "full distribution" description.
4212 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
4214 Fix PR tree-optimization/28778
4215 Fix PR tree-optimization/29156
4216 Fix PR tree-optimization/29415
4217 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
4218 (tree_decl_with_vis): Add artificial_pta_var flag.
4219 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
4220 pushed into callers.
4221 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
4222 (nonlocal_all): Ditto.
4223 (struct variable_info): Add directly_dereferenced member.
4224 (var_escaped_vars): New variable.
4225 (escaped_vars_tree): Ditto.
4226 (escaped_vars_id): Ditto.
4227 (nonlocal_vars_id): Ditto.
4228 (new_var_info): Set directly_dereferenced.
4229 (graph_size): New variable
4230 (build_constraint_graph): Use graph_size.
4231 (solve_graph): Don't process constraints that cannot change the
4232 solution, don't try to propagate an empty solution to our
4234 (process_constraint): Set directly_dereferenced.
4235 (could_have_pointers): New function.
4236 (get_constraint_for_component_ref): Don't process STRING_CST.
4237 (nonlocal_lookup): New function.
4238 (nonlocal_insert): Ditto.
4239 (create_nonlocal_var): Ditto.
4240 (get_nonlocal_id_for_type): Ditto.
4241 (get_constraint_for): Allow results vector to be empty in the case
4242 of string constants.
4243 Handle results of calls properly.
4244 (update_alias_info): Update alias info stats on number and type of
4246 (find_func_aliases): Use could_have_pointers.
4247 (make_constraint_from_escaped): Renamed from
4248 make_constraint_to_anything, and changed to make constraints from
4250 (make_constraint_to_escaped): New function.
4251 (find_global_initializers): Ditto.
4252 (create_variable_info_for): Make constraint from escaped to any
4253 global variable, and from any global variable to the set of
4255 (intra_create_variable_infos): Deal with escaped instead of
4256 pointing to anything.
4257 (set_uids_in_ptset): Do type pruning on directly dereferenced
4259 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
4260 (init_base_vars): Fix comment, and initialize escaped_vars.
4261 (need_to_solve): Removed.
4262 (find_escape_constraints): New function.
4263 (expand_nonlocal_solutions): Ditto.
4264 (compute_points_to_sets): Call find_escape_constraints and
4265 expand_nonlocal_solutions.
4266 (delete_points_to_sets): Don't fall off the end of the graph.
4267 (init_alias_heapvars): Initialize nonlocal_for_type and
4269 (delete_alias_heapvars): Free nonlocal_for_type and null out
4272 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
4274 * fold-const.c (add_double): Rename to add_double_with_sign.
4275 Add 'unsigned_p' parameter and take it into account for the overflow.
4276 (mul_double): Rename to mul_double_with_sign.
4277 Add 'unsigned_p' parameter and take it into account for the overflow.
4278 (fold_div_compare): Call add_double_with_sign instead of add_double
4279 and mul_double_with_sign instead of mul_double, passing them the
4280 unsignedness of the type.
4281 * tree.h (add_double): Macroize.
4282 (add_double_with_sign): New prototype.
4283 (mul_double): Macroize.
4284 (mul_double_with_sign): New prototype.
4286 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
4288 * config/score/crti.asm: New file.
4289 * config/score/crtn.asm: New file.
4290 * config/score/elf.h: New file.
4291 * config/score/mac.md: New file.
4292 * config/score/misc.md: New file.
4293 * config/score/mul-div.S: New file.
4294 * config/score/predicates.md: New file.
4295 * config/score/score7.md: New file.
4296 * config/score/score.c: New file.
4297 * config/score/score-conv.h: New file.
4298 * config/score/score.h: New file.
4299 * config/score/score.md: New file.
4300 * config/score/score-mdaux.c: New file.
4301 * config/score/score-mdaux.h: New file.
4302 * config/score/score-modes.def: New file.
4303 * config/score/score.opt: New file.
4304 * config/score/score-protos.h: New file.
4305 * config/score/score-version.h: New file.
4306 * config/score/t-score-elf: New file.
4307 * config.gcc: Add score*-*-* configurations(Update before).
4308 * doc/invoke.texi (Score Options): New section.
4309 * doc/md.texi (Score family): New section to document constraints.
4311 2006-10-19 Nick Clifton <nickc@redhat.com>
4313 * config/arm/arm.c: Fix spelling typo.
4315 2006-10-18 Tom Tromey <tromey@redhat.com>
4317 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
4319 2006-10-18 Jan Hubicka <jh@suse.cz>
4322 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
4325 2006-10-18 Marcin Dalecki <martin@dalecki.de>
4327 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
4328 TSI_SAME_STMT, since that's the desired entity.
4330 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
4332 * config/s390/contraints.md: New file.
4333 * config/s390/s390-protos.h (s390_mem_constraint,
4334 s390_O_constraint_str, s390_N_constraint_str,
4335 s390_float_const_zero_p): Function prototypes added.
4336 * config/s390/s390.c (s390_extra_constraint_str,
4337 s390_const_double_ok_for_constraint_p,
4338 s390_const_ok_for_constraint_p): Functions removed.
4339 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
4340 s390_float_const_zero_p): New functions.
4341 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
4342 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
4343 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
4344 Macro definitions removed.
4345 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
4346 s390_extra_constraint_str): Functions removed.
4348 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
4349 Richard Sandiford <richard@codesourcery.com>
4352 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
4353 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
4355 2006-10-16 Geoffrey Keating <geoffk@apple.com>
4357 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
4358 (DWARF2_FRAME_REG_OUT): Likewise.
4359 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
4360 (DWARF2_FRAME_REG_OUT): Likewise.
4362 2006-10-17 Paul Brook <paul@codesourcery.com>
4364 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
4366 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4368 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
4369 Standardize on "GNU Fortran" as the official name of the Fortran
4372 2006-10-16 Mike Stump <mrs@apple.com>
4374 * doc/invoke.texi (Darwin Options): Document -mkernel.
4375 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
4377 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
4378 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
4379 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
4380 (OS_MISSING_ALTIVEC): Add.
4381 * config/i386/i386.c (override_options): Add
4382 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
4383 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
4384 -mkernel, -static or -mdynamic-no-pic is given.
4385 (C_COMMON_OVERRIDE_OPTIONS): Add.
4386 * config/darwin.opt (fapple-kext): Add.
4388 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
4389 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
4391 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
4392 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
4393 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
4394 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
4395 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
4396 (flag_mkernel): Add.
4397 (flag_apple_kext): Add.
4398 (TARGET_KEXTABI): Add.
4399 * config/darwin.c (darwin_handle_kext_attribute): Add.
4400 (DARWIN_VTABLE_P): Add.
4401 (darwin_binds_local_p): Add partial support for rebinding vtables
4403 (darwin_kextabi_p): Add.
4404 (darwin_override_options): Add.
4405 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
4406 (darwin_kextabi_p): Add.
4407 (darwin_override_options): Add.
4408 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
4409 __DYNAMIC__ and __STATIC__ here.
4411 2006-10-16 Brooks Moses <bmoses@stanford.edu>
4413 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
4414 Added mention of "make pdf" target, and Texinfo requirements for
4417 2006-10-16 DJ Delorie <dj@redhat.com>
4419 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
4420 into the GOT in case we need a subreg of the address.
4422 2006-10-16 Richard Guenther <rguenther@suse.de>
4425 * doc/extend.texi (X86 Built-in Functions): Fix typos in
4426 SSE builtin documentation. Document SSE2 builtins.
4428 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4430 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
4431 symbol in the output file for non-shared links when -nostdlib or
4432 -nodefaultlibs isn't specified.
4434 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
4435 posix thread support.
4437 2006-10-15 Jan Hubicka <jh@suse.cz>
4440 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
4441 declared always_inline even when not inlining.
4443 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
4444 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4445 Andrew Pinski <pinskia@gmail.com>
4448 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
4450 2006-10-15 Jan Hubicka <jh@suse.cz>
4451 Richard Guenther <rguenther@suse.de>
4454 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
4455 process_function_and_variable_attributes on all variables, including
4456 those discovered during cgraph construction phase.
4458 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
4460 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
4462 2006-10-14 Uros Bizjak <uros@kss-loka.si>
4464 * config/i386/athlon.md (athlon_fist): Add fisttp.
4466 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4467 Ian Lance Taylor <ian@airs.com>
4470 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
4471 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
4474 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
4476 * config/score/score.c, config/score/score.h: Fix comment
4479 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4482 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
4485 2006-10-13 Eric Christopher <echristo@apple.com>
4487 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
4489 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4492 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4493 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4494 alignment supported by 32-bit ELF.
4496 2006-10-13 Eric Christopher <echristo@apple.com>
4498 * config/darwin.c (darwin_emit_unwind_label): Strip
4499 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
4501 2006-10-13 Richard Guenther <rguenther@suse.de>
4503 PR tree-optimization/29446
4504 * tree-vrp.c (fix_equivalence_set): Remove.
4505 (extract_range_from_assert): Do not call fix_equivalence_set.
4506 (debug_value_range): Print a newline.
4507 (compare_name_with_value): For equivalence sets with
4508 inconsistent value ranges conservatively bail out.
4509 (compare_names): Likewise.
4511 2006-10-13 David Edelsohn <edelsohn@gnu.org>
4513 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
4514 and MPFR for gfortran.
4516 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
4518 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
4519 alignment supported by 32-bit ELF.
4521 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
4525 * c-typeck.c (digest_init): Always allow initializing vectors
4526 that have static storage duration with compound literals.
4527 * tree.c (build_type_attribute_qual_variant): New, based on
4528 build_type_attribute_variant.
4529 (build_type_attribute_variant): Rewrite using the former.
4530 (make_vector_type): Use build_type_attribute_qual_variant to build
4531 type variants. Use type_hash_canon on the others.
4533 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
4534 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
4536 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
4538 2006-10-12 Jan Hubicka <jh@suse.cz>
4541 * c-decl.c (c_make_fname_decl): Do not segfault in case where
4542 current_function_decl is set but current_function_scope is not.
4544 2006-10-12 Jie Zhang <jie.zhang@analog.com>
4546 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
4547 emit_insn to emit eh_return_internal instruction.
4548 (eh_return_internal): Explicitly set pc.
4550 2006-10-11 Richard Guenther <rguenther@suse.de>
4552 PR tree-optimization/28230
4553 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
4554 to the correct place.
4556 2006-10-11 Richard Guenther <rguenther@suse.de>
4559 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
4562 2006-10-10 Brooks Moses <bmoses@stanford.edu>
4564 * configure.ac: Added pdf to "Make-hooks"
4565 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
4566 targets and *.pdf file patterns in cleanup targets.
4567 * configure: Regenerated.
4569 2006-10-10 Anatoly Sokolov <aesok@post.ru>
4571 * config/avr/predicates.md: New file.
4572 * config/avr/avr.md: Include it.
4573 (REG_SP): New constant.
4574 (peepholes): Use predicates.
4575 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
4576 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
4577 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
4579 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
4581 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
4584 2006-10-10 Jakub Jelinek <jakub@redhat.com>
4587 * builtins.c (var_decl_component_p): New function.
4588 (fold_builtin_memset, fold_builtin_memory_op): Restrict
4589 single entry optimization to variables and components thereof.
4591 2006-10-10 Richard Guenther <rguenther@suse.de>
4593 PR rtl-optimization/29323
4594 * except.c (set_nothrow_function_flags): For functions
4595 that do not bind local bail out early.
4597 2006-10-10 Ben Elliston <bje@au.ibm.com>
4599 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
4602 2006-10-09 Richard Henderson <rth@redhat.com>
4604 Revert emutls patch.
4606 2006-10-09 Richard Guenther <rguenther@suse.de>
4609 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
4612 2006-10-09 Steve Ellcey <sje@cup.hp.com>
4615 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
4616 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
4617 * configure: Regenerate.
4618 * config.in: Regenerate.
4620 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
4622 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
4624 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4626 * config/mips/mips.c (mips_legitimize_tls_address): Implement
4627 all TLS models in the same way as local exec if !TARGET_ABICALLS.
4628 Remove stray newline.
4630 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4632 * config/mips/mips.c (mips_classify_symbol): Do not return
4633 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
4634 (mips_in_small_data_p): Tweak comments.
4636 2006-10-08 Richard Sandiford <richard@codesourcery.com>
4638 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
4640 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
4642 * gimplify.c, sched-int.h: Fix comment typos.
4644 * sched-int.h: Fix comment typos.
4646 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4648 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
4650 * sched-ebb.c (begin_schedule_ready): Use them.
4651 * haifa-sched.c (schedule_insn, move_insn, try_ready,
4652 add_to_speculative_block, create_check_block_twin, speculate_insn,
4653 fix_jump_move, move_block_after_check): Ditto.
4654 * sched-rgn.c (new_ready): Ditto.
4656 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4658 PR rtl-optimization/29128
4659 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
4660 * sched-ebb.c (advance_target_bb): Use it to fix condition to
4661 allow interblock movement of speculation checks.
4663 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
4666 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
4667 casted to integer type.
4668 (get_address_cost): Decrease cost of [symbol + index] addressing modes
4669 if they are significantly more expensive than [reg + index] ones.
4671 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4673 PR tree-optimization/29330
4674 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
4675 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
4676 on newly allocated ddrs.
4677 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
4678 to VEC (loop_p, heap) pointer.
4679 (compute_data_dependences_for_loop): Adjust caller.
4680 (free_dependence_relations): Free DDR_LOOP_NEST.
4682 * tree-loop-linear.c (linear_transform_loops): Don't forget to
4683 free DEPENDENCE_RELATIONS and DATAREFS.
4686 * builtins.c (expand_builtin_sync_operation,
4687 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
4688 Use convert_to_mode to handle promoted arguments.
4690 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4692 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
4694 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
4696 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
4698 2006-10-05 Uros Bizjak <uros@kss-loka.si>
4700 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
4701 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
4702 Use <modeconstraint> instead of "r" as operand 1 constraint.
4704 2006-10-06 Olivier Hainque <hainque@adacore.com>
4706 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4707 Don't recurse on the pointed-to type.
4708 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
4709 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
4710 types with components of variable size.
4712 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
4714 * config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
4716 2006-10-06 Jakub Jelinek <jakub@redhat.com>
4718 PR tree-optimization/29290
4719 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
4723 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
4724 * config/i386/predicates.md (local_symbolic_operand): Likewise.
4727 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
4728 the number of vector elements fill the rest with zeros.
4730 2006-10-05 Richard Sandiford <richard@codesourcery.com>
4732 * config/mips/mips.c (mips_pass_by_reference): Do not return false
4733 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
4736 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
4738 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4739 unnamed pattern into subsi3. Use correct constraints/predicates.
4740 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
4741 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
4743 2006-10-05 Ira Rosen <irar@il.ibm.com>
4745 * doc/loop.texi: Add data references analysis description.
4747 2006-10-04 Brooks Moses <bmoses@stanford.edu>
4749 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
4751 2006-10-04 Richard Henderson <rth@redhat.com>
4752 Jakub Jelinek <jakub@redhat.com>
4754 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
4755 * builtin-types.def (BT_WORD): Make unsigned.
4756 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
4757 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
4758 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
4759 * c-decl.c (grokdeclarator): Don't error if !have_tls.
4760 * c-parser.c (c_parser_omp_threadprivate): Likewise.
4761 * cgraph.c (decide_is_variable_needed): Look at force_output.
4762 Recurse for emulated tls.
4763 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
4764 checks redundant with decide_is_variable_needed.
4765 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
4766 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
4768 * expr.c (emutls_var_address): New.
4769 (expand_expr_real_1): Expand emulated tls.
4770 (expand_expr_addr_expr_1): Likewise.
4771 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
4772 * output.h (emutls_finish): Declare.
4773 * toplev.c (compile_file): Call it.
4774 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
4775 address before wrapping in CONST.
4776 * varasm.c (emutls_htab, emutls_object_type): New.
4777 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
4778 (get_emutls_object_name, get_emutls_object_type): New.
4779 (get_emutls_init_templ_addr, emutls_decl): New.
4780 (emutls_common_1, emutls_finish): New.
4781 (assemble_variable): When emulating tls, swap decls; generate
4782 constructor for the emutls objects.
4783 (do_assemble_alias): When emulating tls, swap decl and target name.
4784 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
4786 * emutls.c: New file.
4787 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
4788 tls_object for real tls.
4790 2006-10-04 Zack Weinberg <zackw@panix.com>
4792 Fix bug in constraint-check generator, reported by Rask Ingemann
4794 * genpreds.c (add_constraint): Don't remove anything from the
4796 (write_tm_constrs_h): Detect whether "op" argument is used, and
4797 mark it ARG_UNUSED if it isn't.
4798 (write_insn_const_int_ok_for_constraint): Skip the part of the
4799 expression that would test whether "op" (which is not available
4800 here) is a CONST_INT.
4802 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
4805 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
4807 2006-10-03 Geoffrey Keating <geoffk@apple.com>
4809 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
4810 current Leopard versions.
4811 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
4813 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
4815 * doc/install.texi: Fix typos.
4817 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
4819 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
4820 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
4821 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
4823 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
4825 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
4826 arg to be struct mach_header_64* instead.
4828 2006-10-02 Jakub Jelinek <jakub@redhat.com>
4831 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
4832 side effects after the outer expression's post side effects.
4834 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
4836 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
4837 comments to reflect actual behavior and relationship between
4838 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
4840 * doc/c-tree.texi (Working with declarations): Fix documentation
4841 of FIELD_DECL likewise.
4843 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
4846 * doc/extend.texi: Add used variable attribute description.
4848 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
4851 * c.opt (Woverride-init): New.
4852 * c-opts.c (c_common_post_options): Default warn_override_init to
4854 * c-typeck.c (add_pending_init, output_init_element): Warn for
4855 overriding initializers without side effects.
4856 * doc/invoke.texi (-Woverride-init): Document.
4859 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
4861 PR rtl-optimization/28096
4862 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
4863 assignment has already been used as a destination earlier in the block.
4865 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
4867 * builtins.c (expand_builtin_setjmp): Delete.
4868 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
4869 <BUILT_IN_SETJMP_SETUP>: New case.
4870 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
4871 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
4872 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
4873 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
4874 (BUILT_IN_SETJMP_RECEIVER): Likewise.
4875 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
4876 (lower_function_body): Initialize it to false. If it is set to true
4877 at the end of the processing, emit the setjmp dispatcher.
4878 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
4879 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
4880 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
4881 on the rhs of the assignment.
4882 (lower_builtin_setjmp): New function.
4883 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
4884 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
4885 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
4886 to detect calls that can go to non-local labels. Use specific
4887 helper to create the abnormal edges associated with them.
4888 <MODIFY_EXPR>: Likewise.
4889 (make_abnormal_goto_edges): New function extracted from...
4890 (make_goto_expr_edges): ...here. Call it for computed gotos.
4891 (simple_goto_p): Minor tweak.
4892 (tree_can_make_abnormal_goto): New predicate.
4893 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
4894 (tree_purge_dead_abnormal_call_edges): New function.
4895 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
4896 (tree_purge_dead_abnormal_call_edges): Likewise.
4897 (make_abnormal_goto_edges): Likewise.
4898 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
4899 Purge all dead abnormal edges if the call was in the last statement.
4900 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
4901 (execute_fixup_cfg): If there are non-local labels in the function,
4902 scan the basic blocks and split them at calls that can go to non-local
4903 labels or add missing abnormal call edges. Write down the CFG in the
4905 (pass_fixup_cfg): Remove TODO_dump_func flag.
4906 * unwind-sjlj.c: Poison setjmp.
4907 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
4908 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
4909 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
4910 (DONT_USE_BUILTIN_SETJMP): Document it.
4912 2006-09-28 Geoffrey Keating <geoffk@apple.com>
4915 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
4916 to 1 when __ppc64__ is defined.
4917 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
4919 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
4921 2006-09-28 Steve Ellcey <sje@cup.hp.com>
4923 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
4924 * config/ia64/unwind-hpux.c: Delete.
4926 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
4928 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
4929 on the element before gimplifying it, instead of punting if it is of
4932 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
4934 * doc/loop.texi: New file.
4935 * doc/gccint.texi: Reference loop.texi.
4936 * Makefile.in (loop.texi): Add.
4938 2006-09-27 Geoffrey Keating <geoffk@apple.com>
4940 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
4942 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4943 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
4945 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
4947 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
4949 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
4951 * doc/install.texi: Document required versions of GMP and MPFR.
4953 2006-09-27 Paul Brook <paul@codesourcery.com>
4956 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
4958 2006-09-27 Richard Sandiford <richard@codesourcery.com>
4960 * reload1.c (alter_reg): Require the alignment of the stack slot to
4961 be at least reg_max_ref_width bytes.
4962 (scan_paradoxical_subregs): Record the largest width in
4965 2006-09-26 Jakub Jelinek <jakub@redhat.com>
4969 * tree-nested.c (struct nesting_info): Added static_chain_added.
4970 (convert_call_expr): Set static_chain_added when adding static
4971 chain. Handle OMP_PARALLEL and OMP_SECTION.
4973 2006-09-25 Matthias Klose <doko@debian.org>
4975 * doc/invoke.texi: Add missing full stop.
4977 2006-09-25 Richard Henderson <rth@redhat.com>
4979 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
4980 before cgraph_function_flags_ready.
4982 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
4983 Adam Nemet <anemet@caviumnetworks.com>
4985 * tree-ssa-loop-ivopts.c (aff_combination_convert,
4986 determine_common_wider_type): New functions.
4987 (get_computation_aff): Use them to simplify arithmetic between
4988 UBASE and CBASE if they are shortened from the same type.
4990 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
4993 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
4994 -2147483647 - 1 instead of 0x80000000.
4996 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
4998 * flags.h (HONOR_NANS): Fix typo in comment.
5000 2006-09-23 Uros Bizjak <uros@kss-loka.si>
5002 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
5004 2006-09-23 Jakub Jelinek <jakub@redhat.com>
5008 * tree.c (merge_attributes, attribute_list_contained): If both
5009 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
5011 * c-typeck.c (comptypes_internal): Don't consider aggregates
5012 in different TUs as compatible if there one set of attributes is
5013 not a subset of the other type's attributes.
5014 (composite_type): Try harder not to create a new aggregate type.
5016 2006-09-22 Geoffrey Keating <geoffk@apple.com>
5018 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
5019 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
5020 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
5021 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
5022 than replicating condition above.
5023 * config.host (i[34567]86-*-*): Always use driver-i386.o.
5025 * config/darwin.h (LINK_SYSROOT_SPEC): New.
5026 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
5027 the linker by default.
5029 2006-09-22 Mike Stump <mrs@apple.com>
5031 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
5034 2006-09-22 Richard Guenther <rguenther@suse.de>
5037 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
5038 sort of stack variables stable.
5040 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
5043 * explow.c (force_reg): Set REG_POINTER flag according to
5046 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
5048 PR tree-optimization/28888
5049 * tree-if-conv.c (combine_blocks): Rewritten.
5050 * tree-cfg.c (tree_verify_flow_info): Check that edges with
5051 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
5053 2006-09-22 Jakub Jelinek <jakub@redhat.com>
5055 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
5058 2006-09-21 Richard Sandiford <richard@codesourcery.com>
5060 * varasm.c (copy_constant): Fix reversed gcc_assert check.
5062 2006-09-21 Janis Johnson <janis187@us.ibm.com>
5064 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
5066 2006-09-21 Roger Sayle <roger@eyesopen.com>
5069 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
5070 dw_fde_current_label, to be the start of the function, i.e. the same
5071 value as dw_fde_begin.
5073 2006-09-20 Richard Sandiford <richard@codesourcery.com>
5075 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
5076 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
5077 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
5078 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
5079 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
5080 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
5081 (abs<mode>2, neg<mode>2): Likewise.
5082 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
5083 (*mips_abs_ps): New define_insn.
5085 2006-09-20 Josh Conner <jconner@apple.com>
5088 * calls.c (expand_call): Allow reuse of structure return stack
5091 2006-09-20 Paul Brook <paul@codesourcery.com>
5093 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
5096 2006-09-20 Janis Johnson <janis187@us.ibm.com>
5098 * doc/extend.texi (Decimal Float): Update for latest draft TR,
5099 clean up terminology.
5101 2006-09-20 Steve Ellcey <sje@cup.hp.com>
5104 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
5105 with tablejumps in them.
5107 2006-09-20 Jakub Jelinek <jakub@redhat.com>
5110 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
5111 wrap it into TARGET_EXPR.
5113 2006-09-20 Eric Christopher <echristo@apple.com>
5115 * config/i386/i386.c (x86_fisttp): Remove.
5116 * config/i386/i386.h (x86_fisttp): Ditto.
5117 (TARGET_FISTTP): Ditto.
5119 2006-09-19 Eric Christopher <echristo@apple.com>
5121 * doc/tm.texi (OBJC_JBLEN): Describe.
5122 * config/i386/darwin.h (OBJC_JBLEN): Define.
5123 * config/rs6000/darwin.h: Ditto.
5125 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
5127 PR rtl-optimization/21299
5128 * reload1.c (reload): Purge invalid ASMs in the final pass.
5130 2006-09-19 Steve Ellcey <sje@cup.hp.com>
5133 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
5134 pointers as legitimate constants.
5136 2006-09-19 Paul Brook <paul@codesourcery.com>
5139 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
5141 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
5143 PR tree-optimization/28887
5144 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
5145 component parts from the reference.
5146 (gather_memory_references_ref): Record the reference without the
5147 nonaddressable component parts.
5149 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
5152 * c-opts.c (c_common_handle_option): Ignore the -std options
5153 if the input language is assembly.
5155 2006-09-17 Ira Rosen <irar@il.ibm.com>
5158 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
5160 (ptr_ptr_may_alias_p): Likewise.
5161 (record_record_differ_p): New function.
5162 (base_object_differ_p): Call record_record_differ_p.
5164 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5167 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
5168 away for the expr argument.
5170 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5173 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
5174 before using it for dumping after vectorizing loops.
5176 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
5177 Jack Howarth <howarth@bromo.med.uc.edu>
5180 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
5181 skip on error_mark_node.
5182 (rs6000_darwin64_record_arg_recurse): Likewise.
5184 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
5186 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
5187 * doc/rtl.texi: Remove related documentation.
5189 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
5191 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
5194 2006-09-15 Jim Wilson <wilson@specifix.com>
5196 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
5197 Handle symbol offsets same as they are handled in ia64_expand_move
5200 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
5202 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
5203 Add forgotten parameter to the fprintf call.
5205 2006-09-15 Steve Ellcey <sje@cup.hp.com>
5207 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
5209 2006-09-15 Uros Bizjak <uros@kss-loka.si>
5211 * doc/contrib.texi: Add my entry.
5213 2006-09-15 Nick Clifton <nickc@redhat.com>
5215 * doc/md.texi (Processor pipeline description): Fix typo in
5216 example of how to use the absence_set directive and reword the
5217 description to make it slightly easier to read.
5219 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
5221 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
5222 * loop-doloop.c (doloop_optimize): Use it to limit costs of
5223 expanding the number of iterations.
5224 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
5226 * cfgrtl.c (emit_insn_at_entry): New function.
5227 * rtl.h (emit_insn_at_entry): Declare it.
5228 * integrate.c (emit_initial_value_sets): Use it.
5230 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
5232 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
5234 (struct loop_work and related VEC declarations): Delete.
5235 (bfin_dump_loops): Print out new member bad.
5236 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
5237 (bfin_scan_loop): Don't recurse.
5238 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
5239 loops. No longer need to update outer loops if the current one is
5240 found bad. Move some validitiy checks to bfin_discover_loop.
5241 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
5242 but changed not to check for nesting. Also changed to use the new bad
5244 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
5245 time. Use bitmap based test to discover loop nesting.
5247 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
5249 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
5252 2006-09-14 Richard Guenther <rguenther@suse.de>
5253 Kazu Hirata <kazu@codesourcery.com>
5255 PR middle-end/28884.
5256 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
5257 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
5258 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
5259 with TARGET_FUNCTION_VALUE.
5261 2006-09-14 Anatoly Sokolov <aesok@post.ru>
5264 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
5266 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
5268 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
5271 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
5274 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
5277 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5279 * basic_block.h (bb_has_eh_pred): Fix comment.
5281 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
5283 * flow.c (calculate_global_regs_live): Invalidate eh registers
5284 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
5285 (propagate_block): Handle eh registers as if they were set at basic
5287 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
5289 * global.c (global_conflicts): Make eh registers to conflict with
5290 pseudos live at basic block begin.
5291 * basic_block.h (bb_has_eh_pred): New function.
5293 2006-09-13 Richard Sandiford <richard@codesourcery.com>
5295 PR rtl-optimization/28982
5296 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
5297 index of a PRE_MODIFY or POST_MODIFY address.
5298 * reload1.c (inc_for_reload): Use find_replacement on the original
5299 base and index registers.
5301 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
5303 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
5304 for -Os. Update __m128 alignment requirement.
5306 2006-09-13 Jan Hubicka <jh@suse.cz>
5308 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
5310 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
5312 PR rtl-optimization/28243
5313 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
5314 the insn to which the note was originally attached.
5316 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
5317 Roger Sayle <roger@eyesopen.com>
5319 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
5320 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
5321 on platforms that don't use dwarf for debug info.
5323 2006-09-12 Jason Merrill <jason@redhat.com>
5326 * builtins.c (expand_builtin_setjmp_receiver): Clobber
5327 hard_frame_pointer_rtx after using it to update the frame pointer.
5329 2006-09-12 Roger Sayle <roger@eyesopen.com>
5331 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
5332 (TARGET_ASM_CLOSE_PAREN): Likewise.
5333 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
5334 (TARGET_ASM_CLOSE_PAREN): Likewise.
5336 2006-09-12 Roger Sayle <roger@eyesopen.com>
5339 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
5340 frame information for frames larger than 512 Kbytes on Tru64 when
5341 using the native assembler.
5343 2006-09-12 Roger Sayle <roger@eyesopen.com>
5347 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
5348 and symbols. Instead use the implementation from cse.c's hash_rtx.
5350 2006-09-12 Jan Hubicka <jh@suse.cz>
5352 PR rtl-optimization/28071
5353 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
5354 (vect_transform_loop): Likewise.
5355 * tree-vectorizer.c (new_loop_vec_info): Likewise.
5356 (new_loop_vec_info): Likewise.
5357 (destroy_loop_vec_info): Likewise.
5358 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
5359 (create_stmt_ann): Likewise.
5360 (create_tree_ann): Rename to ...
5361 (create_tree_common_ann): ... this one; allocate only the common part
5363 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
5364 (get_value_handle): Likewise.
5365 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
5366 get_tree_common_ann.
5367 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
5368 (vinfo_for_stmt): Use stmt annotations.
5369 * tree-flow.h (tree_ann_common_t): New type.
5370 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
5371 (tree_ann, get_tree_ann, create_tree_ann): New.
5372 * tree-flow-inline.h (get_function_ann): Do more type checking.
5373 (stmt_ann): Likewise.
5374 (tree_ann): Rename to ...
5375 (tree_common_ann): ... this one; return ony common_ann
5376 (get_tree_ann): Rename to ...
5377 (tree_common_ann): This one; return only common_ann.
5378 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
5381 2006-09-11 Geoffrey Keating <geoffk@apple.com>
5383 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
5384 with_cpu by default.
5386 * dwarf2out.c (dwarf_file_data): New.
5387 (enum dw_val_class): Add dw_val_class_file.
5388 (struct dw_val_struct): Add val_file.
5389 (file_table): Change to a hash table.
5390 (file_table_emitted): Delete.
5391 (file_table_last_lookup_index): Delete.
5392 (emitcount): Delete.
5393 (last_emitted_file): New.
5394 (lookup_filename): Change prototype to return a struct dwarf_file_data.
5395 (init_file_table): Delete.
5396 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
5397 (AT_addr): Add comment.
5401 (print_die): Handle dw_val_class_file.
5402 (print_dwarf_line_table): Update for new file table structure.
5403 (attr_checksum): Do checksum a filename.
5404 (same_dw_val_p, same_attr_p): Do compare a filename.
5405 (size_of_die): Handle dw_val_class_file.
5406 (value_format): Likewise.
5407 (output_die): Likewise. Also, call maybe_emit_file here.
5408 (struct file_info): Constify filenames. Make file_idx a pointer
5409 to a struct dwarf_file_data.
5410 (struct dir_info): Constify directory names. Remove 'used' field.
5411 (struct file_name_acquire_data): New.
5412 (file_name_acquire): New.
5413 (output_file_names): Modify to handle new file data structures.
5414 (add_src_coords_attributes): Use add_AT_file.
5415 (add_call_src_coords_attributes): Likewise.
5416 (dwarf2out_imported_module_or_decl): Likewise.
5417 (gen_subprogram_die): Modify for new file data structures.
5418 (gen_variable_die): Likewise.
5419 (file_table_eq): New.
5420 (file_table_hash): New.
5421 (file_table_last_lookup): New.
5422 (lookup_filename): Rewrite to handle new file data structures.
5423 (maybe_emit_file): Rewrite to handle new file data structures.
5424 (dwarf2out_source_line): Always call lookup_filename and
5426 (dwarf2out_init): Create file_table here.
5427 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
5428 (file_table_relative_p): New.
5429 (dwarf2out_finish): Change detection of relative filenames
5430 to work with new file data structures. Move output_line_info call
5431 after debug_info output.
5433 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
5438 * config/i386/i386.c (override_options): Always default to 16
5439 byte stack boundary.
5441 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
5444 * var-tracking.c (dump_dataflow_set): Start dumping at
5446 (clobber_variable_part): Kill only the variable part in
5447 registers holding it, leaving other variables alone.
5449 2006-09-11 Josh Triplett <josh@freedesktop.org>
5451 * doc/extend.texi (Other Builtins): Actually use the macro
5452 argument in the documentation example for
5453 __builtin_types_compatible_p.
5455 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
5457 PR rtl-optimization/28726
5458 * sched-deps.c (sched_analyze_reg): New function extracted from...
5459 (sched_analyze_1): ...here. Call it to analyze references to
5460 registers. Treat again writes to a stack register as writing to the
5462 (sched_analyze_2): ...and here. Call it to analyze references to
5463 registers. Treat again reads of a stack register as reading the
5466 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
5467 David Edelsohn <edelsohn@gnu.org>
5470 * config/rs6000/spe.md (frob_df_di): Remove %H.
5471 (frob_di_df): Remove %H. Change evmergelo to mr.
5472 (frob_di_df_2): Remove %H. Change evldd to two loads.
5474 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
5476 * doc/cpp.texi: Fix names of charset options.
5478 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
5481 * config/i386/i386.c (override_options): Use 128-bit
5482 stack boundary always for 64bits.
5484 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
5486 PR rtl-optimization/28636
5487 * combine.c (force_to_mode): Test for side-effects before
5488 substituting by zero.
5489 (simplify_shift_const): Likewise for zero or other constants.
5491 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
5494 * builtins.c (expand_builtin_setjmp): Force next_lab to be
5497 2006-09-10 Richard Sandiford <richard@codesourcery.com>
5500 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
5501 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
5502 returned by mode_for_size, rather than the mode of src itself,
5503 to choose between 32-bit and 64-bit patterns.
5504 (mips_mem_fits_mode_p): New function.
5505 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
5506 that the size of the source matches the size of the destination.
5507 (mov_<store>l, mov_<store>r): Likewise.
5509 2006-09-10 Eric Christopher <echristo@apple.com>
5511 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
5514 2006-09-09 Eric Christopher <echristo@apple.com>
5517 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
5520 2006-09-09 Roger Sayle <roger@eyesopen.com>
5521 Nicolas Setton <setton@adacore.com>
5523 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
5525 2006-09-10 Andreas Schwab <schwab@suse.de>
5527 * config/m68k/m68k.md (bungt_rev): New pattern.
5529 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
5530 Dale Johannesen <dalej@apple.com>
5533 * regclass.c (struct reg_pref): Update documentation.
5534 (regclass): Set prefclass to NO_REGS if memory is the best option.
5535 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5537 2006-09-08 Eric Christopher <echristo@apple.com>
5539 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
5540 * config/t-slibgcc-darwin: Support x86_64 multilib.
5541 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
5542 Return 1 for x86_64-darwin.
5543 * config/i386/t-darwin: Add m64 multilib.
5544 (LIB2_SIDITI_CONV_FUNCS): Use.
5545 (LIB2FUNCS_EXTRA): Ditto.
5546 * config/i386/darwin.h: Support x86_64.
5547 * config/i386/i386.c (override_options): Turn on flag_pic
5548 for x86_64-darwin. Disable flag_omit_pointer.
5549 (get_pc_thunk_name): Assert !TARGET_64BIT.
5550 (legitimate_address_p): Disable machopic addressing for
5552 (legitimize_pic_address): Ditto.
5553 (ix86_expand_move): Ditto.
5554 (ix86_expand_call): Ditto.
5555 (machopic_output_stub): Ditto.
5556 * config/darwin.c (machopic_select_section): Support literal16.
5557 (machopic_select_rtx_section): Ditto.
5558 * config/darwin-sections.def: Ditto.
5559 * config/darwin-64.c: New.
5561 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
5564 * c-tree.h (struct c_arg_info): Add pending_sizes.
5565 * c-parser.c (c_parser_parms_declarator,
5566 c_parser_parms_list_declarator): Initialize pending_sizes.
5567 * c-decl.c (get_parm_info): Initialize pending_sizes.
5568 (get_parm_info): Set pending_sizes.
5569 (grokdeclarator): Call put_pending_sizes for parameters for
5570 function definition only.
5572 2006-09-07 Jason Merrill <jason@redhat.com>
5575 * varasm.c (output_constant): Only strip actual no-op conversions.
5578 * config/i386/i386.c (override_options): Use 128-bit
5579 stack boundary if -msse.
5581 2006-09-07 Eric Christopher <echristo@apple.com>
5583 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
5585 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
5588 2006-09-07 Geoffrey Keating <geoffk@apple.com>
5590 * dwarf2out.c: Remove strange characters from comment above
5591 dwarf2out_frame_debug_expr.
5593 2006-09-07 Eric Christopher <echristo@apple.com>
5595 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
5596 * config/darwin.h: ... to here.
5598 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
5600 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
5602 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
5603 (TARGET_PARTIAL_FLAG_REG_STALL): New.
5605 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
5606 TARGET_PARTIAL_FLAG_REG_STALL.
5607 (*ashldi3_cconly_rex64): Likewise.
5608 (*ashlsi3_cmp): Likewise.
5609 (*ashlsi3_cconly): Likewise.
5610 (*ashlsi3_cmp_zext): Likewise.
5611 (*ashlhi3_cmp): Likewise.
5612 (*ashlhi3_cconly): Likewise.
5613 (*ashlqi3_cmp): Likewise.
5614 (*ashlqi3_cconly): Likewise.
5615 (*ashrdi3_cmp_rex64): Likewise.
5616 (*ashrdi3_cconly_rex64): Likewise.
5617 (*ashrsi3_cmp): Likewise.
5618 (*ashrsi3_cconly): Likewise.
5619 (*ashrsi3_cmp_zext): Likewise.
5620 (*ashrhi3_cmp): Likewise.
5621 (*ashrhi3_cconly): Likewise.
5622 (*ashrqi3_cmp): Likewise.
5623 (*ashrqi3_cconly): Likewise.
5624 (*lshrdi3_cmp_rex64): Likewise.
5625 (*lshrdi3_cconly_rex64): Likewise.
5626 (*lshrsi3_cmp): Likewise.
5627 (*lshrsi3_cconly): Likewise.
5628 (*lshrsi3_cmp_zext): Likewise.
5629 (*lshrhi3_cmp): Likewise.
5630 (*lshrhi3_cconly): Likewise.
5631 (*lshrqi2_cmp): Likewise.
5632 (*lshrqi2_cconly): Likewise.
5634 2006-09-07 Uros Bizjak <uros@kss-loka.si>
5637 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
5638 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
5639 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
5640 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
5641 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
5642 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
5643 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
5644 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
5645 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
5646 implement only CC setting effects of shift instructions.
5648 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
5650 * doc/contrib.texi: Add myself.
5652 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
5655 * stor-layout.c (relayout_decl): Don't zero the alignment if it
5656 was set by the user.
5658 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
5661 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
5662 (divsi_inv_m1): Use them.
5663 (UNSPEC_DIV_INV_TABLE): New constant.
5665 2006-09-06 James E Wilson <wilson@specifix.com>
5668 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
5669 then call count_or_remove_death_notes.
5671 2006-09-06 Jason Merrill <jason@redhat.com>
5674 * tree-inline.c (copy_result_decl_to_var): New fn.
5675 (declare_return_variable): Use it. Call declare_inline_vars here.
5676 (expand_call_inline): Not here.
5678 2006-09-06 Diego Novillo <dnovillo@redhat.com>
5680 * doc/contrib.texi: Update my entry.
5682 2006-09-06 Nick Clifton <nickc@redhat.com>
5684 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
5686 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5689 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
5690 (canonicalize_induction_variables): Likewise.
5691 (tree_unroll_loops_completely): Likewise.
5692 (tree_ssa_prefetch_arrays): Likewise.
5693 (remove_empty_loops): Likewise.
5694 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
5695 TODO_cleanup_cfg instead of directly calling
5696 cleanup_tree_cfg_loop.
5697 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
5699 (tree_unroll_loops_completely): Likewise.
5700 (remove_empty_loops): Likewise.
5701 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
5702 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
5703 of tree_ssa_unswitch_loops.
5704 (tree_ssa_loop_ivcanon): Use the return value of
5705 canonicalize_induction_variables.
5706 (tree_ssa_empty_loop): Use the return value of
5708 (tree_complete_unroll): Use the return value of
5709 tree_unroll_loops_completely.
5710 (tree_ssa_loop_prefetch): Use the return value of
5711 tree_ssa_prefetch_arrays.
5712 * passes.c (execute_todo): Before Cleanup CFG, set
5713 updating_used_alone and after cleanup CFG, call
5714 recalculate_used_alone.
5716 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
5719 * tree-vect-transform.c (vectorizable_condition): Move the check
5720 for the type after the check for simple condition.
5722 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
5723 Kaz Kojima <kkojima@gcc.gnu.org>
5726 * mode-switching.c (optimize_mode_switching): Make the destination
5727 block of an abnormal edge have no anticipatable mode. Don't
5728 insert mode switching code at the end of the source block of
5731 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
5733 PR rtl-optimization/26847
5734 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
5735 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
5736 (simplify_plus_minus): Count n_constants while filling ops. Replace
5737 qsort with insertion sort. Before going through the array to simplify
5738 pairs, sort it. Delay early exit until after the first sort, exiting
5739 only if no swaps occurred. Simplify pairs in reversed order, without
5740 special-casing the first iteration. Pack ops after simplifying pairs.
5742 2006-09-05 Anatoly Sokolov <aesok@post.ru>
5744 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
5745 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5746 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5747 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
5749 2006-09-05 Richard Guenther <rguenther@suse.de>
5751 PR tree-optimization/28900
5752 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
5753 compound conditional before creating COND_EXPR condition.
5755 2006-09-05 Richard Guenther <rguenther@suse.de>
5757 PR tree-optimization/28905
5758 * tree-vrp.c (fix_equivalence_set): Manually implement
5759 !value_ranges_intersect_p to also handle symbolic ranges.
5761 2006-09-05 Richard Guenther <rguenther@suse.de>
5764 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
5767 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
5769 PR rtl-optimization/27616
5770 * cse.c (table_size): New static variable.
5771 (new_basic_block): Initialize it to 0.
5772 (remove_from_table): Decrement it.
5773 (insert): Increment it.
5774 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
5775 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
5776 fold_rtx_mem_1 if under the cap.
5777 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
5778 the lookup of the equivalent expression and test for equality of the
5779 first operand of the equivalent expression before in turn looking up
5780 an equivalent constant for the second operand.
5782 2006-09-02 Geoffrey Keating <geoffk@apple.com>
5785 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
5786 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
5787 pointer, instead of assuming it is possible to derive the
5788 correct args size from a call insn.
5790 2006-09-02 Jakub Jelinek <jakub@redhat.com>
5793 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
5794 (fold_builtin_mempcpy): Rename to...
5795 (fold_builtin_memory_op): ... this. Optimize one element copy
5797 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
5799 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
5800 (expand_builtin_memcpy, expand_builtin_mempcpy,
5801 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
5802 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
5803 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
5804 BUILT_IN_MEM{CPY,PCPY,MOVE}.
5806 2006-09-01 DJ Delorie <dj@redhat.com>
5808 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
5809 (stzx_16): Likewise.
5810 ("stzx_24_<mode>"): Likewise.
5811 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
5812 ("cmp<mode>_op"): New.
5813 (cmp<mode>): Change to expander; just save operands.
5815 (b<code>): Change to expander, emit compare here.
5816 (s<code>_op): Change to use split and expander.
5817 (s<code>_24_op): Likewise.
5818 (s<code>_<mode>): New.
5819 (s<code>_<mode>_24): New.
5820 (movqicc_<code>_<mode): New.
5821 (movhicc_<code>_<mode>): New.
5824 * config/m32c/m32c.c (compare_op0, compare_op1): New.
5825 (m32c_pend_compare): New.
5826 (m32c_unpend_compare): New.
5827 (m32c_expand_scc): New.
5828 (m32c_expand_movcc): Emit the compare also.
5829 * config/m32c/predicates.md (mra_nopp_operand): New.
5831 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
5832 Richard Guenther <rguenther@suse.de>
5833 Adam Nemet <anemet@caviumnetworks.com>
5836 * builtins.c (get_pointer_alignment): Handle more forms
5837 of base addresses that can be used to derive more precise
5838 information about alignment.
5840 2006-09-01 Jason Merrill <jason@redhat.com>
5843 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
5846 * gimplify.c (voidify_wrapper_expr): Handle null type.
5848 2006-09-01 Josh Conner <jconner@apple.com>
5851 * tree-nrv.c (dest_safe_for_nrv_p): New function.
5852 (execute_return_slot_opt): Use it.
5854 2006-08-31 Josh Conner <jconner@apple.com>
5857 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
5858 returning aggregates.
5860 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
5862 PR tree-optimization/28839
5863 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
5864 blocks in that phi arguments appear.
5866 2006-08-31 Roger Sayle <roger@eyesopen.com>
5869 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
5870 NULL, otherwise use an advance_loc4 to adjust relative to the
5872 (output_cfi) <DW_CFA_set_loc>: Update the current label.
5873 (dwarf2out_switch_text_section): Reset the current label to avoid
5874 using advance_loc4 over section boundaries.
5876 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
5879 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
5880 r12 + SYMBOLIC_CONST.
5882 2006-08-30 Richard Guenther <rguenther@suse.de>
5884 * Makefile.in (see.o): Add $(EXPR_H) dependency.
5886 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
5888 PR rtl-optimization/27735
5889 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
5890 Add new argument to keep track of whether an irreducible region
5891 was affected. All callers changed.
5892 (fix_irreducible_loops): Removed.
5893 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
5894 flags were invalidated.
5896 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
5898 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
5899 instead of SF operands.
5900 (*fop_df_comm_sse): Likewise.
5901 (*fop_df_comm_i387): Likewise.
5902 (*fop_df_1_mixed): Likewise.
5903 (*fop_df_1_sse): Likewise.
5905 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
5906 J"orn Rennecke <joern.rennecke@st.com>
5908 PR tree-optimization/17506
5909 * tree-ssa.c (warn_uninit): If warning about a location outside of
5910 the current function, note where the variable was declared.
5912 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
5914 PR tree-optimization/28411
5915 * double-int.c (double_int_div): Use double_int_divmod.
5916 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
5917 double_int_mod, double_int_smod, double_int_umod): New functions.
5918 * double-int.h (double_int_divmod, double_int_sdivmod,
5919 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
5921 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
5923 (get_computation_aff, get_computation_cost_at): Handle double_int
5924 return type of constant_multiple_of.
5926 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
5929 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
5930 an implicit conversion.
5932 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
5934 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
5936 2006-08-27 Roger Sayle <roger@eyesopen.com>
5938 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
5941 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
5943 * config/i386/crtfastmath.c: Fix a comment typo.
5945 2006-08-26 Roger Sayle <roger@eyesopen.com>
5947 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
5948 temporary visit flags on CASE_LABEL_EXPRs.
5949 * c-common.c (match_case_to_enum): Add function comment. Avoid
5950 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
5951 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
5952 CASE_HIGH_SEEN for enumerated types. If the switch expression is
5953 a constant, only warn if that constant value isn't handled.
5955 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
5958 * input.h (restore_input_file_stack): Declare.
5959 (INPUT_FILE_STACK_BITS): Define.
5960 * toplev.c (fs_p, input_file_stack_history,
5961 input_file_stack_restored, restore_input_file_stack): New.
5962 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
5963 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
5964 (pop_srcloc): Don't free old state of stack.
5966 2006-08-26 David Edelsohn <edelsohn@gnu.org>
5969 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
5970 (PowerPC Type Attributes): New.
5972 2006-08-26 Bob Wilson <bob.wilson@acm.org>
5974 * config/xtensa/xtensa.c (function_arg_boundary): New.
5975 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
5977 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
5978 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
5980 2006-08-26 Jakub Jelinek <jakub@redhat.com>
5983 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
5986 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5988 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
5989 (verify_local_live_at_start): Likewise.
5991 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
5994 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
5995 omp_add_variable): Treat sizes as variable whenever not
5998 2006-08-26 Richard Guenther <rguenther@suse.de>
6001 * fold-const.c (fold_binary): Fold temporary to correct
6002 type before constructing new comparison.
6004 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
6007 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
6008 variable again if DECL_SEEN_IN_BIND_EXPR_P.
6010 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
6013 * c-decl.c (start_function): Don't try to process prototype
6014 information from old declaration that isn't a function.
6016 2006-08-25 Jan Hubicka <jh@suse.cz>
6019 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
6021 2006-08-25 Alan Modra <amodra@bigpond.net.au>
6024 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
6027 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
6029 PR tree-optimization/16876
6030 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
6031 exit if PARM doesn't match VALUE.
6033 2006-08-25 Bob Wilson <bob.wilson@acm.org>
6035 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
6036 literal_prefix directive.
6037 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
6038 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6039 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
6041 2006-08-25 David Edelsohn <edelsohn@gnu.org>
6044 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
6045 predicate to general_operand. Add 0->y and I->r alternatives.
6047 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
6049 * doc/tm.texi: Fix a typo.
6050 * predict.c: Fix comment typos.
6052 2006-08-25 Nick Clifton <nickc@redhat.com>
6054 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
6055 assertions of "cpu" and "machine".
6057 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
6060 * tree-ssa-operands.c (access_can_touch_variable): Don't say
6061 the access through a base which has an alias set of 0 cannot
6064 2006-08-24 Bill Wendling <wendling@apple.com>
6066 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
6068 2006-08-24 Jan Hubicka <jh@suse.cz>
6070 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
6072 2006-08-24 Jan Hubicka <jh@suse.cz>
6075 * cgraph.c: Fix comments.
6076 (cgraph_varpool_mark_needed_node): Mark only variables not already
6078 * cgraphunit.c: Update comments; include gt-cgraphunit.h
6079 (cgraph_varpool_assembled_nodes_queue): New static variable.
6080 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
6081 (cgraph_varpool_output_debug_info): New function.
6082 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
6083 * Makefile.in: Add gt-cgraphunit.h
6085 2006-08-24 Jan Hubicka <jh@suse.cz>
6087 * predict.c (probability_reliable_p): New predicate.
6088 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
6089 (predict_loops): Do not predict loop exit with less than 2%
6091 * basic-block.h (edge_probability_reliable_p,
6092 br_prob_note_reliable_p): Declare.
6093 * ia64.h (ia64_print_operand): Do not disable on-chip branch
6094 prediction when static predictor is not reliable.
6095 * rs6000.c (output_cbranch): Likewise.
6097 2006-08-23 Stuart Hastings <stuart@apple.com>
6100 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
6101 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
6103 2006-08-21 Geoffrey Keating <geoffk@apple.com>
6106 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
6107 complex values, nor for generic vector values.
6109 2006-08-22 Richard Guenther <rguenther@suse.de>
6112 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
6113 parameter. Convert arguments to arithmetic expression to the
6115 (analyze_scalar_evolution_1): Adjust caller.
6117 2006-08-22 Jan Hubicka <jh@suse.cz>
6119 Patch by Paolo Bonzini
6120 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
6123 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
6125 PR tree-optimization/28003
6126 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
6127 before grouping aliases.
6129 2006-08-22 Roger Sayle <roger@eyesopen.com>
6131 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
6132 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
6134 2006-08-21 Jason Merrill <jason@redhat.com>
6137 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
6138 wrapper. Loop to handle nested wrappers.
6139 (gimplify_bind_expr): Remove temp parameter.
6140 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
6141 and STATEMENT_LIST on the rhs.
6142 (gimplify_statement_list): Voidify the STATEMENT_LIST.
6143 (gimplify_expr): Pass pre_p to gimplify_statement_list.
6144 (gimplify_target_expr): Remove special BIND_EXPR handling.
6146 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
6148 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
6151 2006-08-21 Olivier Hainque <hainque@adacore.com>
6153 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
6154 Arrange for the temporary captures of components overlapping the lhs
6155 to happen before the lhs is possibly cleared.
6157 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
6159 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
6160 necessary places to pass the correct "number of registers" values
6163 2006-08-20 Jan Hubicka <jh@suse.cz>
6165 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
6166 (create_name_tags): Instead of quadratic checking use hashtable.
6167 * bitmap.h: Include hashtab.h.
6168 (bitmap_hash): Declare.
6169 * bitmap.c (bitmap_hash): New function.
6171 2006-08-20 Jan Hubicka <jh@suse.cz>
6173 PR rtl-optimization/28071
6174 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
6176 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
6177 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
6178 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
6179 cgraph_decide_inlining_incrementally): Update use of
6180 cgraph_check_inline_limits.
6181 * cgraph.c (edge_hash, edge_eq): New function.
6182 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
6183 cgraph_edge_remove_caller, cgraph_node_remove_callees,
6184 cgraph_remove_node): Maintain call site hash.
6185 * cgraph.h (struct cgraph_node): Add call_site_hash.
6186 (cgraph_set_call_stmt): New function.
6188 2006-08-20 Jan Hubicka <jh@suse.cz>
6190 PR rtl-optimization/28071
6191 * reload1.c (reg_has_output_reload): Turn into regset.
6192 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
6193 choose_reload_regs, emit_reload_insns): Update to new
6194 reg_has_output_reload.
6196 2006-08-20 Jan Hubicka <jh@suse.cz>
6199 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
6200 function body sizes.
6201 * cgraphunit.c (cgraph_analyze_function): Don't do so.
6203 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
6206 * tree.c (handle_dll_attribute): Return early if not a
6207 var or function decl.
6209 2006-08-18 Joseph Myers <joseph@codesourcery.com>
6212 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
6213 alignment of SPE vector types.
6215 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
6217 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
6219 2006-08-17 Jakub Jelinek <jakub@redhat.com>
6222 * cgraph.h (struct cgraph_node): Remove externally_visible
6224 * cgraphunit.c (process_function_and_variable_attributes): Set
6225 local.externally_visible rather than externally_visible.
6228 * c-common.c (handle_externally_visible_attribute): First look
6229 at TREE_CODE and only if it is function or var decl, check for
6230 non-public objects. Don't warn for DECL_EXTERNAL.
6231 * cgraphunit.c (process_function_and_variable_attributes): Warn
6232 if externally_visible attribute is used on non-public object.
6234 2006-08-17 Jan Hubicka <jh@suse.cz>
6236 PR tree-optimization/27865
6237 * reload1.c (forget_marked_reloads): New function.
6238 (forget_old_reloads_1): When data are passed, just mark the registers
6240 (reload_as_needed): Use the new mechanizm.
6242 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
6245 * reload.h (reg_equiv_alt_mem_list): New declaration.
6246 * reload1.c (reg_equiv_alt_mem_list): New definition.
6247 (reload): Initialize it and release it.
6248 (delete_output_reload): Use it.
6249 * reload.c (push_reg_equiv_alt_mem): New function.
6250 (find_reloads_toplev): Call it.
6251 (find_reloads_address, find_reloads_address_1): Likewise.
6252 (find_reloads_subreg_address): Likewise.
6254 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6256 PR rtl-optimization/28489
6257 * sched-ebb.c (begin_schedule_ready): Create basic block
6259 (advance_target_bb): Skip empty blocks.
6260 * haifa-sched.c (bb_note): Make global.
6261 * sched-int.h (bb_note): Add prototype.
6263 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6265 PR tree-optimization/27865
6266 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
6268 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
6269 fold_used_pointer, pointer_used_p): New functions.
6270 (analyze_scalar_evolution_1): Use fold_used_pointer.
6271 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
6272 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
6275 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
6278 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
6279 or the INTEGER_CST. Fail on a CALL_EXPR.
6280 (fold_offsetof): Pass new argument to fold_offsetof_1.
6281 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
6282 operand into an INDIRECT_REF.
6283 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
6285 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6287 PR gcov/profile/26570
6288 * value-prof.c (static_values): Removed.
6289 (tree_find_values_to_profile): Do not set static_values.
6290 (find_values_to_profile): Do not free static_values.
6291 * profile.c (instrument_values): Do not free the values.
6292 (branch_prob): Free the values.
6294 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
6296 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
6298 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
6301 * c-typeck.c (build_component_ref): Combine qualifiers of
6302 structure or union and field.
6304 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6306 PR rtl-optimization/28071
6307 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
6308 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
6309 * tree-into-ssa.c (struct dom_dfsnum): New.
6310 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
6312 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
6313 compute_global_livein.
6314 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
6315 in phi nodes in the correct blocks.
6317 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
6319 PR tree-optimization/28364
6320 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
6322 (fold_affine_expr): New function.
6323 (may_eliminate_iv): Use fold_affine_expr.
6325 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6328 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
6331 2006-08-16 Mike Stump <mrs@apple.com>
6333 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
6334 * doc/cppopts.texi (-MD): Likewise.
6336 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
6339 * c-common.c (handle_weak_attribute): Ignore and warn if
6340 not a FUNCTION_ or VAR_DECL.
6342 2006-07-15 Mike Stump <mrs@apple.com>
6345 * c-parser.c (c_parser_typeof_specifier): Don't use
6346 c_finish_expr_stmt, open code desired semantics instead.
6348 2006-08-15 Nick Clifton <nickc@redhat.com>
6350 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
6351 fragment to tmake_file only if threads are enabled.
6352 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
6353 * config/i386/t-gthr-win32: New file. ... here.
6355 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6358 * c-parser.c (c_parser_compound_statement_nostart): Reset
6359 parser->error after each statement.
6361 2006-08-15 Jakub Jelinek <jakub@redhat.com>
6364 * omp-low.c (lower_omp_parallel): Convert t to
6365 receiver_decl's type.
6366 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
6367 source before comparison.
6370 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
6371 to itype in assignment to oldival2.
6373 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
6377 * c-typeck.c (build_compound_expr): If the second expression
6378 is an error mark, then just return an error mark instead of
6379 creating a COMPOUND_EXPR.
6381 2006-07-14 Mike Stump <mrs@apple.com>
6383 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
6385 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
6387 * c-decl.c, var-tracking.c: Fix comment typos.
6389 2006-08-14 Richard Sandiford <richard@codesourcery.com>
6391 PR rtl-optimization/28634
6392 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
6393 for floating-point modes unless flag_unsafe_math_optimizations.
6395 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
6396 Andrew Pinski <pinskia@physics.uc.edu>
6399 * tree.c (build_array_type): Unify array types with
6400 unspecified index_type.
6401 * c-decl.c (grokdeclarator): Make sure we do not modify a
6402 unified incomplete array type.
6403 * c-typeck.c (store_init_value): Create distinct type before
6404 filling in the index type in an initializer from a compound
6407 * c-decl.c (grokdeclarator): Remove code where we copy the
6410 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
6412 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
6413 into account for TODO_dump_cgraph.
6414 (TODO_update_ssa_no_phi): Likewise.
6415 (TODO_update_ssa_full_phi): Likewise.
6416 (TODO_update_ssa_only_virtuals): Likewise.
6417 (TODO_remove_unused_locals): Likewise.
6418 (TODO_set_props): Likewise.
6419 (TODO_update_stmt_usage): Likewise.
6421 2006-08-13 Dirk Mueller <dmueller@suse.de>
6423 * c-common.c (strict_aliasing_warning): Fix formatting.
6425 2006-08-13 Matthias Klose <doko@debian.org>
6427 * doc/invoke.texi: Fix spelling errors.
6429 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6431 PR rtl-optimization/23454
6432 * reorg.c (relax_delay_slots): Update comment.
6434 2006-08-11 Richard Guenther <rguenther@suse.de>
6437 * simplify-rtx.c (simplify_const_relational_operation):
6438 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
6441 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
6443 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
6444 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
6446 2006-08-10 Paul Brook <paul@codesourcery.com>
6448 * final.c (final_scan_insn): Clear current_insn_predicate before
6449 outputting inline asm.
6451 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
6453 PR tree-optimization/26197
6454 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
6455 get_ref_base_and_extent and overlap_subvar to add only relevant
6456 subvars as may-aliases.
6457 (add_may_alias_for_new_tag): New function, factored out of
6459 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
6460 with additional argument.
6461 * tree-flow.h (new_type_alias): Takes additional argument.
6463 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
6465 * gcov.c (no_data_file): New flag.
6466 (read_count_file): Set it if data file not present. Assume counts
6468 (output_lines): Don't name the data file, if there wasn't one.
6470 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
6472 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
6473 (rs6000_generate_compare): Tweak comments.
6474 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
6476 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
6478 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
6479 (var_debug_decl): New function.
6480 (var_reg_set): Follow debug decl link. Add location even if
6481 reg is already known to hold some other variable.
6482 (var_mem_set): Follow debug decl link.
6483 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
6484 decl link. Delete other known locations of the variable part
6486 (var_reg_delete, var_mem_delete): Delete other known locations
6487 of the variable part if requested.
6488 (same_variable_part_p): New function.
6489 (add_stores): Select MO_COPY when appropriate.
6490 (vt_initialize): Handle it.
6491 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
6492 known locations for MO_SET and MO_CLOBBER.
6493 (find_variable_location_part): New function.
6494 (set_variable_part, delete_variable_part): Use it.
6495 (clobber_variable_part): New function.
6496 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
6499 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
6501 PR tree-optimization/26969
6502 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
6503 with an empty list of PHIs.
6505 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
6509 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
6512 2006-08-06 Andreas Schwab <schwab@suse.de>
6514 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
6515 string. Whitespace and comment fixup.
6517 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6520 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
6524 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
6527 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
6529 2006-08-04 Jan Hubicka <jh@suse.cz>
6533 * reload.c (push_reload): Patch out the mismatching instruction;
6535 (find_reload): Bail out if the instruction was patched out.
6537 2006-08-04 Jan Hubicka <jh@suse.cz>
6539 PR tree-optimization/24888
6540 * tree-inline.c (expand_call_inline): Do not re-record variables.
6541 (declare_inline_vars): Add variable to unexpanded_var_list.
6543 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6544 Roger Sayle <roger@eyesopen.com>
6546 PR rtl-optimization/26244
6547 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
6548 inner_const are negative or greater than or equal to the bitsize of
6549 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
6550 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
6551 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
6552 CONST0_RTX (mode) when the new shift count is greater than or equal to
6553 to the bitsize of the object being shifted and XEXP (y, 0) has no side
6556 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
6558 * tree-cfg.c: Fix a comment typo.
6560 2006-08-03 Mark Mitchell <mark@codesourcery.com>
6563 * varasm.c (output_constant): Give the front end another chance to
6564 expand constants, after stripping NOPs.
6566 2006-08-03 Jan Hubicka <jh@suse.cz>
6568 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
6571 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
6573 PR tree-optimization/27770
6574 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
6575 declaration removed (moved to tree-flow.h).
6576 (vect_can_force_dr_alignment_p): Likewise.
6577 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
6578 (moved from tree-vectorizer.h).
6579 (vect_can_force_dr_alignment_p): Likewise.
6580 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
6581 from outside the vectorizer - in particular from cgraph stage.
6582 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
6583 the alignment of global arrays when -fsection-anchors is enabled.
6584 * cgraphunit.c (cgraph_increase_alignment): New function.
6585 (cgraph_optimize): Call cgraph_increase_alignment.
6587 2006-08-03 David Edelsohn <edelsohn@gnu.org>
6590 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
6591 not reload a SPE symbol_ref into a lo_sum address.
6593 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
6596 * dwarf2out.c (prune_unused_types_prune): Move call to
6597 prune_unused_types_update_strings to cover the parent DIE also.
6599 2006-08-02 Jan Hubicka <jh@suse.cz>
6601 PR gcov/profile/28480
6602 * tree-cfg.c (change_bb_for_stmt): New function.
6603 (tree_merge_blocks, tree_split_blocks): Use it.
6605 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6611 * toplev.c (compile_file): Return early on errorcount or sorrycount.
6612 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
6613 (cgraph_optimize): Likewise.
6615 2006-08-01 Stuart Hastings <stuart@apple.com>
6617 * rtl.h (UINTVAL) New.
6618 * config/rs6000/rs6000.c (SMALL_INT) Use it.
6619 * testsuite/gcc.dg/20060801-1.c: New.
6621 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
6624 * c-typeck.c (build_external_type): Mark used enum types.
6625 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
6627 (gen_subprogram_die): Whitespace fix.
6629 2006-08-01 Jan Hubicka <jh@suse.cz>
6631 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
6632 bitmap when not needed.
6633 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
6636 2006-08-01 Dirk Mueller <dmueller@suse.de>
6638 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
6640 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6642 * Makefile.in: Revert part of previous patch:
6643 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
6646 2006-07-30 Eric Christopher <echristo@apple.com>
6649 * doc/extend.texi (i386 Variable Attributes): Add anchor.
6650 (PowerPC Variable Attributes): New section.
6652 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
6654 PR target/28126 (partial fix)
6655 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
6657 2006-07-28 Jan Hubicka <jh@suse.cz>
6659 PR rtl-optimization/28071
6660 * cfgrtl.c (rtl_delete_block): Free regsets.
6661 * flow.c (allocate_bb_life_data): Re-use regsets if available.
6663 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6665 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
6666 and variables used in dependencies.
6668 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
6670 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
6671 %fs for -mcmodel=kernel.
6672 (stack_tls_protect_test_di): Likewise.
6674 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
6676 * Makefile.in: Use mkinstalldirs.
6678 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
6681 * opts-common.c (prune_options): Skip joined switches.
6683 2006-07-27 Jan Hubicka <jh@suse.cz>
6685 PR rtl-optimization/28071
6686 * cselib.c (cselib_process_insn): Don't remove useless values too
6687 often for very large hashtables.
6689 2006-07-27 Jan Hubicka <jh@suse.cz>
6691 PR rtl-optimization/28071
6692 * global.c (greg_obstack): New obstack.
6693 (allocate_bb_info): Use it.
6694 (free_bb_info): Likewise.
6695 (modify_reg_pav): Likewise.
6697 2006-07-27 Roger Sayle <roger@eyesopen.com>
6699 * builtins.c (fold_fixed_mathfn): When long and long long are the
6700 same size, canonicalize llceil*, llfloor*, llround* and llrint*
6701 functions to their lceil*, lfloor*, lround* and lrint* forms.
6703 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
6706 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
6708 (rev_branch_insn): Likewise.
6710 2006-07-27 Jan Hubicka <jh@suse.cz>
6712 PR rtl-optimization/28071
6713 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
6714 (reg_set_in_bb, max_reg_computed): New static variables.
6715 (regmove_optimize): Free the new array.
6716 (fixup_match_1): Update call of reg_is_remote_constant_p.
6718 2006-07-26 Jan Hubicka <jh@suse.cz>
6720 PR tree-optimization/27882
6721 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
6723 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
6725 (cgraph_analyze_compilation_unit): Likewise.
6726 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
6727 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
6728 (cgraph_early_inlinine): Make order garbage collected.
6729 * Makefile.in (gt-ipa-inline): New garbagecollected file.
6731 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6733 * dbxout.c (output_types_sort): Add a comment.
6734 (output_used_types): Free the VEC.
6736 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
6738 * function.c (reorder_fix_fragments): Delete.
6739 (reorder_blocks): Don't call it.
6740 (reorder_blocks_1): Put all subblocks under the origin block.
6742 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
6744 PR rtl-optimization/27907
6745 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
6748 2006-07-25 Roger Sayle <roger@eyesopen.com>
6751 * convert.c (convert_to_integer): When transforming (T)foo(x) into
6752 bar(x) check that bar's result type can represent all the values of T.
6754 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
6756 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
6758 2006-07-25 Nick Clifton <nickc@redhat.com>
6760 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
6761 size_lookup[] array.
6762 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
6763 (ggc_pch_count_object): Likewise.
6764 (ggc_pch_alloc_object): Likewise.
6765 (ggc_pch_write_object): Likewise.
6766 (init_ggc): Do not attempt to initialize entries in the
6767 size_lookup[] array for objects whose size is greater than than
6768 the length of the array.
6770 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
6772 * dbxout.c (output_used_types_helper): Push queued types
6774 (output_types_sort): New.
6775 (output_used_types): Collect used types on a VEC and sort them
6778 2006-07-24 Richard Guenther <rguenther@suse.de>
6781 * cgraph.c (cgraph_remove_node): Do not check if dumps
6783 * cgraphunit.c (cgraph_optimize): Likewise.
6785 2006-07-24 Jan Hubicka <jh@suse.cz>
6787 PR rtl-optimization/28071
6788 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
6789 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
6790 splitting before first stmt.
6792 2006-07-24 Jan Hubicka <jh@suse.cz>
6794 PR rtl-optimization/28071
6795 * ipa-inline.c (update_caller_keys): Remove edges that
6796 are no longer inline candidates.
6798 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
6801 * dbxout.c (output_used_types_helper, output_used_types): New.
6802 (dbxout_symbol): Call output_used_types.
6804 2006-07-23 Jan Hubicka <jh@suse.cz>
6808 * cgraph.c (cgraph_varpool_nodes): Export.
6809 (decide_is_variable_needed): Ignored "used" attribute in
6810 unit-at-a-time mode.
6811 * cgraph.h (cgraph_varpool_nodes): Declare.
6812 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
6813 unit-at-a-time mode.
6815 2006-07-23 Roger Sayle <roger@eyesopen.com>
6818 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
6819 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
6820 the __gthrw form of thr_keycreate.
6821 (__gthread_key_delete): Silence the unused argument warning.
6823 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
6826 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
6827 Cache the last found '\0' marker to avoid quadratic behavior.
6829 2006-07-23 Jan Hubicka <jh@suse.cz>
6831 * i386.md (subsi_3_zext): Fix output template.
6833 2006-07-21 Mike Stump <mrs@apple.com>
6835 * doc/invoke.texi (C++ Dialect Options): Note that
6836 -fvisibility-inlines-hidden doesn't affect explicitly
6837 instantiationed inline methods.
6839 2006-07-20 Roger Sayle <roger@eyesopen.com>
6841 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
6842 if the target assembler is GNU binutils' gas.
6843 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
6844 whether to pass GNU gas or native as command line options.
6846 2006-07-20 Jason Merrill <jason@redhat.com>
6848 * tree.c (remove_attribute): New fn.
6849 * tree.h: Declare it.
6851 2006-07-20 Paul Brook <paul@codesourcery.com>
6854 * cse.c (cse_insn): Add destination addresses to hash table. Check if
6855 they are invalidated by this instruction.
6857 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
6860 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
6862 2006-07-20 Eric Christopher <echristo@apple.com>
6865 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
6867 2006-07-19 Eric Christopher <echristo@apple.com>
6869 * config/t-slibgcc-darwin (stmp-lipo): Remove.
6870 Rewrite dependencies for libgcc_s.1.dylib.
6872 2006-07-19 Jakub Jelinek <jakub@redhat.com>
6874 * except.c (duplicate_eh_regions_1): Clear next_peer.
6876 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
6878 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
6879 -mlongcall does not guarantee all calls will be long.
6880 * doc/extend.texi (long_call/short_call): Document that longcall
6881 does not guarantee a long call will be used.
6882 (longcall/shortcall): Likewise.
6884 2006-07-18 Roger Sayle <roger@eyesopen.com>
6887 * expmed.c (expand_shift): Additionally check that the shift_cost
6888 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
6889 before implementing a LSHIFT_EXPR as a sequence of additions.
6890 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
6891 middle-end that DImode shifts need to be synthesized by expand.
6893 2006-07-18 Diego Novillo <dnovillo@redhat.com>
6896 * tree-ssa-operands.c (access_can_touch_variable): Update
6898 Return true if ALIAS is .GLOBAL_VAR.
6900 2006-07-18 David Daney <ddaney@avtrex.com>
6902 * gcc.c (display_help): Fix typo in help text.
6904 2006-07-18 Olivier Hainque <hainque@adacore.com>
6906 * tree.h (categorize_ctor_elements): Adjust prototype and add
6907 descriptive comment, both in accordance with the interface change
6909 * varasm.c (constructor_static_from_elts_p): New function.
6910 Whether a constructor node is a valid static constant initializer
6911 if all its elements are.
6912 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
6913 * output.h: Declare it.
6914 * expr.c (categorize_ctor_elements_1): Return whether the constructor
6915 is a valid constant initializer instead of computing the number of
6916 non-constant elements. Use constructor_static_from_elts_p for this
6917 purpose. Replace the head comment with an indication that this is a
6918 helper for categorize_ctor_elements.
6919 (categorize_ctor_elements): Same interface change as for the _1
6920 helper. Former head comment from this helper moved here, adjusted to
6921 account for the interface changes.
6922 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
6923 (all_zeros_p): Likewise.
6924 * gimplify.c (gimplify_init_constructor): Decide whether we can make
6925 static versions of the constructor from the categorize_ctor_elements
6926 return value instead of the formerly computed number of non-constant
6929 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
6931 * configure: Regenerate.
6932 * Makefile.in (build_libsubdir): New configure substitution
6933 (build_libobjdir): New variable.
6934 (BUILD_LIBIBERTY): Use it.
6936 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6939 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
6941 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
6944 * c-common.c (handle_weakref_attribute): Ignore attribute in
6945 the same conditions the alias attribute is ignored.
6947 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
6949 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
6950 (dbxout_begin_prologue): Increment scope_labelno.
6952 2006-07-17 Richard Henderson <rth@redhat.com>
6955 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
6958 2006-07-17 Roger Sayle <roger@eyesopen.com>
6959 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6961 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
6962 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
6963 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
6964 functions such as sbrk, write, etc.. Add function prototypes.
6965 Convert function declarations from K&R to ISO C. Cast pointers
6966 to "long" and "unsigned long" instead of "int" and "unsigned int".
6967 Convert tokens following #endif into comments.
6969 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
6971 * invoke.texi: Remove mention of f77; Reformat table for
6972 inline parameter options correctly; mention that -malign-double
6973 is default on x86-64 targets.
6975 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
6977 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
6978 (convert_affine_scev, chrec_convert_aggressive): Use
6979 avoid_arithmetics_in_type_p. Do not check for the subtypes
6982 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6985 * optabs.c (expand_doubleword_shift): Wrap the call to
6986 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
6988 2006-07-17 Richard Sandiford <richard@codesourcery.com>
6991 * optabs.c (expand_binop): Pass next_methods rather than methods
6992 to expand_doubleword_shift.
6994 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
6997 * tree.h (dump_addr): Declare.
6998 * print-tree.c (dump_addr): New function.
6999 (print_node_brief, print_node): Use it.
7000 * print-rtl.c (print_rtx): Likewise.
7001 * common.opt (-fdump-noaddr): New option.
7002 * doc/invoke.texi (-fdump-noaddr): Document.
7003 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
7004 (ve_info_hash): Likewise.
7006 2006-07-13 Andrew Haley <aph@redhat.com>
7008 PR tree-optimization/19505
7009 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
7010 edge leaving this block, make sure that the destination of this
7011 block has only one predecessor.
7013 2006-07-17 Richard Guenther <rguenther@suse.de>
7015 PR tree-optimization/28238
7016 * tree-inline.c (copy_bb): Check if we produced valid
7017 gimple copying and substituting a stmt. If not, gimplify
7020 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
7022 * optabs.c (maybe_encapsulate_block): New function extracted from...
7023 (emit_libcall_block): ...here. Invoke it on the block of insns to
7024 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
7025 (emit_no_conflict_block): Likewise.
7027 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
7029 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
7031 2006-07-15 Roger Sayle <roger@eyesopen.com>
7033 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
7034 a new NOP_EXPR case of the switch statement.
7036 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
7039 * stor-layout.c (place_field): Take the bit field with
7040 an excessive size into account in the ms-bitfiled case.
7043 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
7044 the previous bit field.
7046 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
7049 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
7051 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
7053 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
7054 signal frames correctly even when the signal was installed with
7057 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
7059 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
7060 (dbxout_function_end): Use local label LFBB. Remove hook
7062 (dbxout_source_line): Use local label LFBB.
7063 (dbxout_block): Likewise.
7064 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
7065 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
7066 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
7067 and DBX_OUTPUT_NFUN.
7069 2006-07-13 Janis Johnson <janis187@us.ibm.com>
7071 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
7073 2006-07-13 Jan Hubicka <jh@suse.cz>
7075 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
7077 * output.h (align_variable): Declare.
7078 * varasm.c (align_variable): Export.
7079 * value-prof.c (tree_value_profile_transformations): Recompute iterator
7080 when basic block changed.
7082 2006-07-13 Nick Clifton <nickc@redhat.com>
7084 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
7085 walking the LOG_LINKS chain.
7087 2006-07-12 Geoffrey Keating <geoffk@apple.com>
7089 * doc/invoke.texi (C++ Dialect Options): Explain difference
7090 between -fvisibility-inlines-hidden and setting hidden
7091 visibility explicitly.
7093 2006-07-12 Eric Christopher <echristo@apple.com>
7095 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
7096 (stmp-lipo): Depend on libgcc.a.
7098 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
7100 * tree.c: Fix a comment typo.
7102 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
7104 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
7106 (umulhisi3_r): Likewise.
7108 2006-07-12 Paolo Carlini <pcarlini@suse.de>
7111 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
7112 x < 19, vs wchar_t support.
7114 2006-07-12 Nick Clifton <nickc@redhat.com>
7116 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
7117 instead of -isa=sh4.
7119 2006-07-12 Mike Stump <mrs@apple.com>
7121 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
7123 2006-07-10 Eric Christopher <echristo@apple.com>
7125 * config/t-slibgcc-darwin: Rewrite.
7127 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
7130 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
7133 2006-07-08 Matthias Klose <doko@debian.org>
7135 * doc/sourcebuild.texi: Fix typo.
7137 2006-07-07 Mike Stump <mrs@apple.com>
7139 * toplev.c (process_options): Don't give -ffunction-sections may
7140 affect debugging warning for Mach-O.
7142 2006-07-07 James E Wilson <wilson@specifix.com>
7144 * config/mips/mips.md (cpu): Add sb1a.
7145 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
7146 addition to sb1. Adjust comments to clarify SB-1A differences from
7148 (ir_sb1a_load): New. Modify bypasses to use it.
7149 (ir_sb1a_simple_alu): Likewise.
7150 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
7151 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
7152 (mips_issue_rate): Add PROCESSOR_SB1A.
7153 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
7154 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
7155 (TARGET_SB1): Add PROCESSOR_SB1A check.
7156 (TUNE_SB1): Likewise.
7158 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
7159 * config/mips/mips.c (mips_store_data_bypass_p): New.
7160 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
7161 store_data_bypass_p.
7163 2006-07-08 Paul Brook <paul@codesourcery.com>
7166 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
7168 2006-07-07 Richard Guenther <rguenther@suse.de>
7171 * tree.h (build_one_cst): Declare.
7172 * tree.c (build_one_cst): New function.
7173 * tree-ssa-math-opts.c (get_constant_one): Remove.
7174 (insert_reciprocals): Use build_one_cst.
7175 * fold-const.c (fold_plusminus_mult): Likewise.
7177 2006-07-07 Roger Sayle <roger@eyesopen.com>
7179 * pointer-set.c (pointer_set_destroy): Correct whitespace.
7180 * cfgloopanal.c (dump_graph): Likewise.
7181 * dojump.c (discard_pending_stack_adjust): Likewise.
7182 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
7184 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
7185 * function.c (finalize_block_changes): Likewise.
7186 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
7187 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
7188 * rtl.c (dump_rtx_statistics): Likewise.
7189 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
7191 * varray.c (dump_varray_statistics): Likewise.
7192 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
7193 decode_decimal64, encode_decimal128, decode_decimal128,
7194 decimal_real_to_decimal): Likewise.
7196 2006-07-07 Richard Guenther <rguenther@suse.de>
7198 PR tree-optimization/28187
7199 * tree-vrp.c (vrp_operand_equal_p): New function.
7200 (vrp_bitmap_equal_p): Likewise.
7201 (update_value_range): Use them to compare old and new
7204 2006-07-06 Roger Sayle <roger@eyesopen.com>
7206 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
7207 a default case to switch statement to silence compiler warnings.
7209 2006-07-06 Roger Sayle <roger@eyesopen.com>
7212 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
7213 the configured assembler supports the x87's ffreep mnemonic.
7214 * configure: Regenerate.
7215 * config.in: Regenerate.
7217 * config/i386/i386.c (output_387_ffreep): New function.
7218 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
7219 (output_387_reg_move): Likewise.
7221 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
7223 Port to hosts whose 'sort' and 'tail' implementations
7224 treat operands with leading '+' as file names, as POSIX
7225 has required since 2001. However, make sure the code still
7226 works on pre-POSIX hosts.
7227 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
7228 which says you should use "tail -c +N" rather than "tail +Nc".
7229 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
7231 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
7233 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
7236 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7239 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
7240 PRE_{INC,DEC} of TFmode.
7242 2006-07-06 David Edelsohn <edelsohn@gnu.org>
7243 Alan Modra <amodra@bigpond.net.au>
7246 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
7249 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7252 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
7253 Remove duplicate gtu.
7255 2006-07-05 Jason Merrill <jason@redhat.com>
7259 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
7260 * c-common.c (handle_packed_attribute): So don't copy it here.
7261 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
7263 2006-07-05 Mike Stump <mrs@apple.com>
7265 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
7267 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
7270 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
7272 2006-07-05 Richard Guenther <rguenther@suse.de>
7275 * config/i386/i386.md (*negdf2_1): Restrict pattern to
7276 TARGET_SSE2 targets if using SSE math.
7277 (*absdf2_1): Likewise.
7279 2006-07-05 Richard Guenther <rguenther@suse.de>
7281 PR tree-optimization/28162
7282 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
7283 make sure to convert the operands to the correct type.
7285 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
7287 PR tree-optimization/28218
7289 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
7290 to calculate and free the dominator information.
7292 2006-07-04 Peter O'Gorman <peter@pogma.com>
7294 * mklibgcc.in: chmod 644 before ranlib during install.
7296 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
7297 J"orn Rennecke <joern.rennecke@st.com>
7299 * configure.ac (.eh_frame data check): Use diff -b.
7301 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
7304 * Makefile.in (BUILD_RTL): Add build/vec.o.
7305 (build/gencondmd.o): Filter out -fkeep-inline-functions.
7306 (build/genextract): Delete.
7307 (build/genautomata): Likewise.
7309 2006-07-04 Alan Modra <amodra@bigpond.net.au>
7312 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
7313 128-bit IBM long doubles for ABI_V4.
7315 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
7317 * tree.c (range_in_array_bounds_p): New predicate.
7318 * tree.h (range_in_array_bounds_p): Declare it.
7319 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
7320 return a less conservative answer.
7321 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
7322 and flag 'is_group'.
7323 (IS_ELEMENT_FOR_GROUP): New macro.
7324 (FOR_EACH_ACTUAL_CHILD): Likewise.
7325 (next_child_for_group): New helper function.
7326 (can_completely_scalarize_p): Take into account groups.
7327 (sra_hash_tree): Handle RANGE_EXPR.
7328 (sra_elt_eq): Likewise.
7329 (lookup_element): Be prepared for handling groups.
7330 (is_valid_const_index): Delete.
7331 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
7332 instead of is_valid_const_index.
7333 <ARRAY_RANGE_REF>: New case.
7334 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
7335 is_valid_const_index.
7336 <ARRAY_RANGE_REF>: Do not unconditionally punt.
7337 (scan_dump): Dump info for groups too.
7338 (decide_instantiation_1): Likewise.
7339 (decide_block_copy): Assert that the element is not a group.
7340 Propagate decision to groups.
7341 (generate_one_element_ref): Handle RANGE_EXPR.
7342 (mark_no_warning): Iterate over actual childs.
7343 (generate_copy_inout): Likewise.
7344 (generate_element_copy): Likewise.
7345 (generate_element_zero): Likewise.
7346 (generate_element_init_1): Likewise.
7347 (dump_sra_elt_name): Handle RANGE_EXPR.
7349 2006-07-03 Roger Sayle <roger@eyesopen.com>
7351 PR tree-optimization/26251
7352 * tree-ssa-threadupdate.c (redirection_block_p): New function.
7353 (thread_block): When optimizing for size refuse to thread jumps
7354 that would require duplication of blocks other than redirection
7357 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7359 * configure.ac: Fix thinko in previous check-in.
7360 * configure: Regenerate.
7362 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
7365 * configure.ac (for lang...): Simplify nesting of conditionals.
7366 Test subdir_requires for non-enabled languages. Move processing
7367 of lang_opt_files and lang_tree_fiels below that test.
7368 * configure: Regenerate.
7369 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
7371 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
7373 * doc/gcov.texi (Invoking Gcov): Add a missing word.
7375 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
7377 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
7380 2006-06-29 Jason Merrill <jason@redhat.com>
7387 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
7388 * c-common.c (c_determine_visibility): Handle it here.
7389 * c-decl.c (finish_decl): Call c_determine_visibility for
7391 * flags.h (enum symbol_visibility): Sort from most to least visibility.
7393 * varasm.c (default_assemble_visibility): Likewise.
7394 * c-common.c (handle_visibility_attribute): Complain about trying
7395 to give visibility to an already defined class, or trying to change
7396 declared visibility. Always attach the attribute.
7401 * attribs.c (decl_attributes): Ignore type-in-place attributes
7402 once the type has been defined.
7404 2006-06-29 Roger Sayle <roger@eyesopen.com>
7407 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
7408 to indicate the cpplib has issued an error message for us.
7410 2006-06-29 Asher Langton <langton2@llnl.gov>
7413 * config/i386/i386.c (ix86_output_function_epilogue): Don't
7414 insert a label at the end of an function under Mach-O.
7416 2006-06-29 Eric Christopher <echristo@apple.com>
7417 Evan Cheng <evan.cheng@apple.com>
7419 * predicates.md (vector_all_ones_operand): New.
7420 (nonimmediate_or_sse_const_operand): Ditto.
7421 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
7422 * config/i386/i386.c (standard_sse_constant_opcode): Define.
7423 (standard_sse_mode_p): Ditto.
7424 (standard_sse_constant_p): Add case for -1 vector.
7425 (ix86_expand_vector_move): Try to use.
7426 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
7427 Call standard_sse_constant_opcode.
7428 (*movv4sf_internal): Ditto.
7429 (*movv2df_internal): Ditto.
7431 2006-06-29 Roger Sayle <roger@eyesopen.com>
7433 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
7434 of XEXP to extract the operands of a MATCH_CODE rtx.
7436 2006-06-28 Andrew Pinski <pinskia@gmail.com>
7438 * tree.c (tree_size): Do not waste tail padding in
7439 struct tree_string and make the size be the same as
7440 build_string will generate.
7442 2006-06-28 Jason Merrill <jason@redhat.com>
7445 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
7446 may_aliases already in the tag's annotations to the bitmap.
7448 2006-06-28 Roger Sayle <roger@eyesopen.com>
7450 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
7452 2006-06-28 Roger Sayle <roger@eyesopen.com>
7454 * genpreds.c (generate_switch_p): New function.
7455 (add_mode_tests): Push the new mode test down inside an AND expr
7456 if this allows the switch-suitable MATCH_CODE to be near the root.
7457 (write_match_code_switch): New function to write a MATCH_CODE as
7459 (write_predicate_stmts): New function to write a predicate RTX
7460 expression as a sequence of statements.
7461 (write_one_predicate_function): Use write_predicate_stmts.
7462 (write_tm_constrs_h): Likewise.
7464 2006-06-26 Fred Fish <fnf@specifix.com>
7466 * config/mips/t-sb1: New file.
7467 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
7470 2006-06-26 DJ Delorie <dj@redhat.com>
7472 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
7474 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
7475 Jayant Sonar <jayants@kpitcummins.com>
7476 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
7478 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
7479 (subsi3, subsi3_1, subsi3_2): New.
7480 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
7481 * config/m32c/mov.md (SI mov peephole): New.
7482 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
7483 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
7485 2006-06-26 Olivier Hainque <hainque@adacore.com>
7487 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
7488 a CALL_EXPR target function declaration.
7490 2006-06-26 Richard Guenther <rguenther@suse.de>
7492 * tree.c (build_string): Do not waste tail padding in
7495 2006-06-26 Richard Guenther <rguenther@suse.de>
7497 * ggc-page.c (init_ggc): Add missing element to size_lookup
7501 2006-06-23 Richard Guenther <rguenther@suse.de>
7503 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7504 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7505 alignment requests instead. Add verification code.
7506 Add struct tree_function_decl and struct tree_binfo size to
7507 extra_order_size_table. Add missing element to size_lookup
7510 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
7513 * fold-const.c (const_binop): Be prepared for self returning zero.
7514 Simplify code handling complex values.
7516 2006-06-24 Olivier Hainque <hainque@adacore.com>
7518 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
7519 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
7522 2006-06-24 Olivier Hainque <hainque@adacore.com>
7524 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
7525 ARRAY_REF, so have the callback called for the low bound expression.
7527 2006-06-23 Janis Johnson <janis187@us.ibm.com>
7529 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
7530 * c-typeck.c (c_common_type): Disallow operations on decimal float
7531 types and other float types.
7532 * convert.c (convert_to_real): Don't ignore conversions involving
7533 decimal float types.
7535 2006-06-23 Olivier Hainque <hainque@adacore.com>
7537 * tree.c (max_int_size_in_bytes): New function, inspired from
7538 code in function.c:assign_temp.
7539 * tree.h (max_int_size_in_bytes): Declare.
7540 * function.c (assign_temp): Use it.
7541 * gimplify.c (create_tmp_var): Relax the assertions on the type
7542 properties, not mandating constant size any more.
7543 (force_constant_size): New static function.
7544 (gimple_add_tmp_var): Use it, forcing variable size to a
7545 constant upper bound if it is not constant on entry.
7547 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
7550 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
7551 for initialization and setting of one_only flag to ...
7552 (i386_pe_encode_section_info): ...here.
7553 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
7554 Recheck that the symbol has not been defined.
7556 2006-06-23 Richard Guenther <rguenther@suse.de>
7558 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
7559 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
7560 alignment requests instead. Add verification code.
7561 Add struct tree_function_decl and struct tree_binfo size to
7562 extra_order_size_table. Add missing element to size_lookup
7565 2006-06-22 Roger Sayle <roger@eyesopen.com>
7566 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7569 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
7570 call to lang_hooks.types.type_for_mode returned NULL_TREE.
7572 2006-06-23 Ben Elliston <bje@au.ibm.com>
7574 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
7575 negate dn -- manipulate it directly.
7577 2006-06-22 Roger Sayle <roger@eyesopen.com>
7578 Steven Bosscher <stevenb.gcc@gmail.com>
7581 * reload1.c (gen_reload): Call mark_jump_label on the new insns
7582 generated by gen_move_insn to add REG_LABEL notes if necessary.
7584 2006-06-22 Bob Wilson <bob.wilson@acm.org>
7586 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
7587 (leaf_entry): Remove use of MIN_ESA.
7589 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
7591 PR rtl-optimization/28121
7592 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
7595 2006-06-21 DJ Delorie <dj@redhat.com>
7597 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
7599 (mulhisi3_r): Likewise.
7601 2006-06-21 Richard Sandiford <richard@codesourcery.com>
7604 * coverage.c (coverage_counter_alloc): Leave the index type
7606 (coverage_counter_alloc): Use null arguments for operands 2 and 3
7609 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
7611 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
7612 section from the "Options for Code Generation Conventions".
7614 2006-06-21 Richard Henderson <rth@redhat.com>
7618 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
7620 (global_symbolic_operand): Allow weak symbols, even if local_p.
7622 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
7624 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
7625 (find_interesting_uses_address): Punt if above function returns true.
7627 2006-06-21 Richard Guenther <rguenther@suse.de>
7629 * configure: Regenerated.
7631 2006-06-21 Joseph Myers <joseph@codesourcery.com>
7633 * config/mips/mips.c (function_arg): Where one part of a
7634 complex argument is in registers and the other part in the stack,
7635 return a REG not a PARALLEL.
7637 2006-06-21 Mark Mitchell <mark@codesourcery.com>
7639 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
7640 when cross-compiling. Do not substitute libstdcxx_incdir.
7641 * configure: Regenerated.
7643 2006-06-21 Jakub Jelinek <jakub@redhat.com>
7645 * varasm.c (mergeable_string_section): Check for embedded NULs and
7646 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
7647 rather than TREE_STRING_LENGTH bytes.
7649 2006-06-21 Richard Guenther <rguenther@suse.de>
7651 * ggc-page.c (extra_order_size_table): Add var_ann_d,
7652 tree_ssa_name, bitmap_element and phi_node with 4 arguments
7655 2006-06-21 Richrad Guenther <rguenther@suse.de>
7657 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
7658 Limit iteration over the dominators.
7660 2006-06-20 Roger Sayle <roger@eyesopen.com>
7662 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
7663 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
7665 2006-06-20 Richard Guenther <rguenther@suse.de>
7666 Michael Matz <matz@suse.de>
7668 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
7670 * alloc-pool.c (free_alloc_pool_if_empty): New function.
7671 * et-forest.h (et_free_pools): Prototype new function.
7672 * et-forest.c (et_free_tree_force): Free parent occurrence.
7673 (et_free_pools): New function.
7674 * dominance.c (free_dominance_info): Free et-forest alloc
7677 2006-06-20 Roger Sayle <roger@eyesopen.com>
7679 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
7680 integer modes, attempt to directly construct an integer constant.
7682 * fold-const.c (native_encode_vector): Determine the size of each
7683 element from the vector type instead of the first vector element.
7685 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
7686 if all of its elements/components are constant.
7687 (build_constructor_from_list): Likewise.
7689 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
7691 PR tree-optimization/27331
7692 * tree-data-ref.c (free_data_ref): New function.
7693 (create_data_ref): Fail if the data reference has unknown access
7695 (free_data_refs): Use free_data_ref.
7697 2006-06-19 Andrew Pinski <pinskia@gmail.com>
7700 * tree-inline.c (setup_one_parameter): Strip useless
7701 type conversion before adding it to the IR.
7702 (declare_return_variable): Likewise.
7704 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
7707 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
7709 2006-06-19 Mike Stump <mrs@apple.com>
7711 * tree.c (variably_modified_type_p): VM arguments don't make the
7714 2006-06-19 Richard Guenther <rguenther@suse.de>
7716 * tree-ssa-pre.c (try_combine_conversion): Strip useless
7717 type conversions after folding.
7719 2006-06-19 Richard Guenther <rguenther@suse.de>
7721 * ggc-page.c (extra_order_size_tab): Add entries with
7722 size of struct function and basic_block.
7723 (size_lookup): Extend to cover sizes up to 511.
7724 (ggc_alloc_stat): Adjust user.
7725 (ggc_pch_count_object): Likewise.
7726 (ggc_pch_alloc_object): Likewise.
7727 (ggc_pch_write_object): Likewise.
7729 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
7731 * tree-ssa-loop-niter.c (implies_ge_p): New function.
7732 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
7735 2006-06-19 Denis Chertykov <denisc@overta.ru>
7737 * config/avr/libgcc.S : Correct my wrong previous commit.
7739 2006-06-19 Roger Sayle <roger@eyesopen.com>
7742 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
7743 have stripped a SUBREG from the shift count, so we may need to
7744 convert_to_mode back to the type's mode before calling make_tree.
7745 Use new_amount instead of amount to avoid expanding a tree twice.
7747 2006-06-19 Richard Guenther <rguenther@suse.de>
7750 * fold-const.c (operand_equal_p): Check if the argument types
7751 have the same precision before stripping NOPs.
7753 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
7755 Fix PR tree-optimization/27341
7756 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
7758 * tree-complex.c (pass_lower_complex): Update SMT usage.
7760 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
7762 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
7763 Add a new alternative to the constraint strings. Add move of
7764 operand 1 to 3 to the splitter definition.
7765 ("doloop_si_long"): Second contraint alternative removed.
7767 2006-06-08 Anatoly Sokolov <aesok@post.ru>
7769 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
7770 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
7772 (AVR_HAVE_MOVW) Define.
7773 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
7774 (ASM_SPEC): Add avr25.
7775 (LINK_SPEC): Add avr25.
7776 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
7777 (base_arch_s): Add new member 'have_movw_lpmx'.
7778 (avr_arch_types): Init 'have_movw_lpmx'.
7779 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
7780 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
7781 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
7782 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
7783 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
7785 (avr_file_start): Do not output '.arh' derective.
7786 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
7787 (__do_copy_data): Use __AVR_HAVE_LPMX__.
7788 * config/avr/avr.md (mcu_enhanced): Delete.
7789 (mcu_have_movw): Define.
7790 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
7791 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
7792 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
7793 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
7794 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
7795 attiny861 and at86rf401 devices.
7797 2006-06-18 Jie Zhang <jie.zhang@analog.com>
7799 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
7802 2006-06-17 Karl Berry <karl@gnu.org>
7804 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
7805 doc/gccint.texi, doc/install.texi (@dircategory): Use
7806 "Software development" instead of "Programming", following
7807 the Free Software Directory.
7809 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
7811 * config/i386/i386.c (legitimate_tls_address)
7812 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
7813 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
7814 (*tls_dynamic_gnu2_combine_64): Likewise.
7816 2006-06-16 Richard Guenther <rguenther@suse.de>
7819 * fold-const.c (negate_expr_p): Do not introduce undefined
7820 overflow in negating INTEGER_CSTs.
7821 (fold_negate_expr): Rename from negate_expr. Revert last
7822 change for folding BIT_NOT_EXPR. Change semantics to
7823 return NULL_TREE for non-simplified negations. Do not
7824 strip type conversions and unify type handling.
7825 (negate_expr): New function, wrap around fold_negate_expr
7826 but ensure building a tree always. Strip type conversions
7827 here, fold to result type.
7828 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
7830 2006-06-16 Roger Sayle <roger@eyesopen.com>
7833 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
7834 that (would) return their results in stack registers.
7836 2006-06-16 Michael Matz <matz@suse.de>
7837 Richard Guenther <rguenther@suse.de>
7839 * fold-const.c (fold_truthop): Only return new tree node if
7840 we canonicalized something.
7842 2006-06-16 Richard Guenther <rguenther@suse.de>
7844 * function.h (enum function_frequency): Move declaration
7845 out of struct function.
7846 (struct function): Move bool fields and the enum to the bitfield
7847 section. Reorder elements to avoid padding. Remove unused
7848 fields left over from the RTL inliner removal.
7849 * function.c (free_after_compilation): Do not zero removed fields.
7850 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
7851 (ipa-type-escape.o): Likewise.
7853 2006-06-16 Richard Guenther <rguenther@suse.de>
7855 * cgraph.h (struct cgraph_local_info): Turn bool elements
7857 (struct cgraph_node): Likewise.
7858 (struct cgraph_varpool_node): Likewise.
7860 2006-06-15 Richard Guenther <rguenther@suse.de>
7862 * fold-const.c (fold_truth_not_expr): Rename from
7863 invert_truthvalue. Give it fold_* semantics to avoid
7865 (invert_truthvalue): New function. Wrapper around
7866 fold_truth_not_expr.
7867 (optimize_minmax_comparison): Avoid creating garbage.
7868 (fold_unary): Use fold_truth_not_expr for folding
7870 (fold_ternary): Replace uses of invert_truthvalue with
7871 fold_truth_not_expr where applicable.
7872 * tree.h (fold_truth_not_expr): Prototype.
7874 2006-06-16 Richard Guenther <rguenther@suse.de>
7876 PR tree-optimization/27781
7877 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
7878 * ipa-pure-const.c (target.h): Include.
7879 (analyze_function): Do not analyze functions that do not
7882 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
7885 * tree-dfa.c (referenced_vars_dup_list): Remove.
7886 (find_referenced_vars): Remove assert.
7887 (referenced_var_check_and_insert): Replace dup list with assert.
7888 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
7889 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
7891 2006-06-15 Richard Guenther <rguenther@suse.de>
7893 * tree-ssa-structalias.c (alias_get_name): Avoid creating
7894 extra unused identifiers if not dumping.
7895 (create_variable_info_for): Likewise.
7897 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
7899 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
7900 (derive_constant_upper_bound): Derive more precise upper bound in
7901 common cases. Return type changed to double_int.
7902 (record_estimate): Reflect the changed return type of
7903 derive_constant_upper_bound.
7904 * double-int.c (double_int_zext, double_int_sext): Fix.
7906 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
7908 * configure.ac (CFLAGS): Get them from the toplevel or from the
7909 configure invocation.
7910 * configure: Regenerate.
7911 * Makefile.in (CFLAGS): Substitute value provided by configure.
7913 2006-06-14 Mark Mitchell <mark@codesourcery.com>
7916 * c-common.h (c_finish_omp_atomic): Adjust declaration.
7917 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
7918 rather than calling add_stmt on it.
7919 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
7921 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
7924 * reload1.c (reload): Remove registers returned by update_eliminables
7925 from used_spill_regs.
7927 2006-06-13 DJ Delorie <dj@redhat.com>
7929 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
7931 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
7933 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
7934 html__strip_dir, html__mkdir_p. Enhance install-html target.
7935 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
7936 * configure: Regenerate.
7938 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
7940 * fold-const.c (fold_cond_expr_with_comparison): Check for
7941 Objective-C++ as language in deciding COND_EXPR transformation.
7943 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
7946 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
7947 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
7948 * config/sh/lib1funcs.h (SL, SL1): Define.
7949 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
7950 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
7951 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
7952 (OBJS_Os_4_200): New variable.
7953 ($(T)libgcc-Os-4-200.a): Use it.
7954 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
7955 when dividing 1 and/or by 0.
7957 2006-06-13 Roger Sayle <roger@eyesopen.com>
7959 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
7960 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
7961 * configure: Regenerate.
7963 2006-06-13 Jie Zhang <jie.zhang@analog.com>
7965 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
7966 for real instruction.
7968 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7971 * haifa-sched.c (check_cfg): Handle special case.
7973 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
7976 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
7977 Add debug_info parameter. Chain the vars to the BLOCK instead
7978 of the BIND_EXPR if debug info are requested for them.
7979 (pop_gimplify_context): Adjust for above change.
7980 (gimple_add_tmp_var): Likewise.
7981 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
7983 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
7984 (convert_local_reference): Likewise.
7985 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
7986 (finalize_nesting_tree_1): Request that debug info be emitted
7987 for debug_var_chain.
7989 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7991 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
7992 for PR target/27863.
7994 2006-06-13 Richard Guenther <rguenther@suse.de>
7997 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
7999 2006-06-13 Richard Guenther <rguenther@suse.de>
8001 PR tree-optimization/27830
8002 * tree-inline.c (copy_body_r): For copying the operand
8003 of an ADDR_EXPR make sure to fold &* afterwards.
8005 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
8007 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
8008 lvalues in the fb_none case with side-effects.
8010 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
8012 * tree-flow.h: Remove the prototype for
8013 compute_phi_arg_on_exit.
8014 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
8015 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
8018 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
8020 * builtins.c (expand_builtin_return_addr): Only use
8021 frame_pointer_rtx when count == 0 and we are expanding
8022 __builtin_return_address.
8024 2006-06-12 Fred Fish <fnf@specifix.com>
8026 * config/mips/mips.c (mips_file_start): Create special section
8027 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
8029 2006-06-11 Eric Christopher <echristo@apple.com>
8032 * stor-layout.c (place_field): Remove check for
8033 remaining_in_alignment when aligning at the end of a run.
8035 2006-06-11 Eric Christopher <echristo@apple.com>
8038 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
8041 2006-06-11 Roger Sayle <roger@eyesopen.com>
8044 Revert incorrect fix for PR target/27158
8045 2006-05-08 Roger Sayle <roger@eyesopen.com>
8046 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
8047 of a reg_equiv_constant if the result is a legitimate constant.
8049 2006-06-11 Roger Sayle <roger@eyesopen.com>
8052 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
8053 extract a CONST_VECTOR element and interpret it as an integer.
8054 (vspltis_constant): Use const_vector_elt_as_int instead of the
8055 macro CONST_VECTOR_ELT in order to handle FP vector modes.
8056 * config/rs6000/predicates.md (easy_vector_const): Consider
8057 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
8059 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
8062 * stor-layout.c (update_alignment_for_field): Don't add extra
8063 alignment for packed non-bitfield fields in ms_bitfield_layout_p
8066 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
8068 * config/mips/t-rtems: Add EL/EB multilib variants.
8070 2006-06-09 Mike Stump <mrs@apple.com>
8072 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
8074 2006-06-09 David Daney <ddaney@avtrex.com>
8076 * doc/install.texi: Add binutils version recommendation for mips-*-*.
8078 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
8080 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
8082 2006-06-09 Richard Guenther <rguenther@suse.de>
8084 PR tree-optimization/26998
8085 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
8086 of signed types, only TYPE_MIN_VALUE is special, but for both,
8087 minimum and maximum value. Likewise VR_ANTI_RANGE is special
8088 in this case, as is -fwrapv.
8090 2006-06-08 Mike Stump <mrs@apple.com>
8093 * config/darwin.c (darwin_asm_output_anchor): Disable
8094 -fsection-anchors on darwin for now.
8095 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
8096 * rs6000/rs6000.c (optimization_options): Likewise.
8098 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8101 * config/i386/i386.c (classify_argument): Skip fields with invalid
8104 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
8106 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
8107 (cse_insn): Likewise for the stack_pointer_rtx.
8109 2006-06-08 Roger Sayle <roger@eyesopen.com>
8111 * tree-ssa-dom.c (record_conditions): Only record "unordered"
8112 conditions from floating point comparisons.
8114 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
8117 * expmed.c (struct alg_hash_entry): Fix type of field T
8118 to match synth_mult argument.
8119 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
8121 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8124 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
8127 2006-06-08 Richard Guenther <rguenther@suse.de>
8130 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
8131 only, if overflow is defined and not trapping.
8132 (negate_expr): Likewise.
8134 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8136 PR tree-optimization/27872
8137 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
8138 flag on the new exit edge of the unrolled loop.
8140 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
8142 PR rtl-optimization/26449
8143 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
8145 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
8148 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
8149 referenced_variables with matching DECL_UID's.
8150 (find_referenced_vars): Make sure duplicate list is empty to start.
8151 (referenced_var_p): Remove.
8152 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
8153 Check if var is in the list, and add if needed. Update the duplicate
8154 list if a different var is in the list with the same DECL_UID.
8155 (add_referenced_var): Call routine to check and insert.
8156 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
8157 * tree-flow.h (referenced_vars_dup_list): External declaration.
8159 2006-06-07 Fred Fish <fnf@specifix.com>
8161 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
8164 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
8167 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
8168 the imaginary and real parts of a clobbered register.
8169 Emit insn to set the imaginary part.
8171 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
8173 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
8174 in lieu of unwind-dw2-fde.c.
8176 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
8178 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
8180 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
8183 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
8184 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
8185 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
8186 V4SImode temporaries and operations instead.
8188 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
8190 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
8193 2006-06-06 Mike Stump <mrs@apple.com>
8195 * Makefile.in: Rename to htmldir to build_htmldir to avoid
8196 installing during build.
8198 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8200 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
8202 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8203 * config/ia64/ia64.c (params.h): New header.
8204 (ia64_optimization_options): New function to adjust parameters.
8205 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
8206 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
8207 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
8209 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
8211 * stor-layout.c (debug_rli): Fix a typo in a debug message.
8213 2006-06-05 Steve Ellcey <sje@cup.hp.com>
8216 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
8218 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
8219 Victor Kaplansky <victork@il.ibm.com>
8221 PR tree-optimization/26360
8222 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
8225 2006-06-04 Roger Sayle <roger@eyesopen.com>
8226 Andrew Pinski <pinskia@physics.uc.edu>
8229 * c-common.c (c_common_truthvalue_conversion): Explicitly check
8230 for LABEL_DECL before calling DECL_WEAK.
8233 * c-typeck.c (build_binary_op): Likewise, explicitly check for
8234 LABEL_DECL and PARM_DECL.
8236 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
8240 * c-decl.c (grokdeclarator): Disallow variably modified types at
8241 file scope. Avoid marking shared array type of constant size as
8244 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8247 * c-common.c (fold_offsetof_1): Handle static members.
8249 2006-06-04 Eric Christopher <echristo@apple.com>
8251 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
8252 (debug_rli): Output value for remaining_in_alignment.
8253 (update_alignment_for_field): Unconditionalize
8254 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
8255 extra alignment code.
8256 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
8257 ms_bitfield_layout_p code. Rewrite handling of structure fields.
8258 * tree.h (record_layout_info_s): Remove prev_packed.
8259 * doc/extend.texi (ms_struct): Add documentation of format.
8261 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
8263 * tree.h: Declare folding_initializer.
8264 * builtins.c (fold_builtin_constant_p): Give definite answer
8265 if folding inside an initializer.
8266 * fold-const.c: Define folding_initializer.
8267 (START_FOLD_INIT): Save and then set folding_initializer.
8268 (END_FOLD_INIT): Restore folding_initializer.
8270 2006-06-04 Richard Guenther <rguenther@suse.de>
8272 PR tree-optimization/27039
8273 * fold-const.c (fold_comparison): Handle pointer comparison
8274 again for all comparison codes. Compare offsets in signed
8276 (fold_binary): Move code from here.
8278 2006-06-03 Roger Sayle <roger@eyesopen.com>
8281 * config/i386/i386.c (construct_container): Split static issued_error
8282 flag into issued_sse_arg_error, issued_sse_ret_error and
8283 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
8284 requires the use of x87 registers and the user explicitly
8285 specified the -mno-80387 command line option.
8287 2006-06-02 Geoffrey Keating <geoffk@apple.com>
8289 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
8290 HAVE_DECL_SIGALTSTACK.
8292 (segv_handler): Use MC_FLD.
8293 * configure.ac: Check for a sigaltstack declaration.
8294 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
8295 * configure: Regenerate.
8296 * config.in: Regenerate.
8298 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
8301 * Makefile.in (stmp-fixinc): Fix typo.
8303 2006-06-02 Roger Sayle <roger@eyesopen.com>
8305 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
8306 are type correct. Clean-up.
8307 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
8308 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
8310 2006-06-01 DJ Delorie <dj@redhat.com>
8312 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
8313 shift, as we've disabled the "switch" insn that needs it.
8315 2006-06-01 Per Bothner <bothner@bothner.com>
8317 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
8318 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
8319 * c-ppoutput.c (cb_define): Don't increment line 0.
8321 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
8323 * doc/invoke.texi: Add cpu_type power6.
8324 * config.gcc: Add cpu_type power6.
8325 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
8326 to power5+ with Altivec.
8327 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
8328 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
8330 2006-05-30 Anatoly Sokolov <aesok@post.ru>
8332 * config/avr/avr.h (SET_ASM_OP): Define.
8334 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
8336 * config/bfin/bfin.c: Fix comment typos.
8338 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8341 * doc/install.texi: Document --enable-bootstrap and
8342 --disable-bootstrap.
8344 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
8346 * doc/install.texi: Document that InfoZIP can replace jar.
8348 2006-05-31 Roger Sayle <roger@eyesopen.com>
8350 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
8351 isn't available, directly generate the simpler x87 patterns without
8352 the (use (const_int 0)).
8353 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
8354 implementation isn't available.
8355 (*negdf2_1): Likewise.
8356 (*negxf2_1): XF mode negation is always done using the x87.
8357 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
8359 2006-05-31 Roger Sayle <roger@eyesopen.com>
8361 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
8362 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
8364 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
8366 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8368 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
8369 * config/bfin/bfin.c (basic-block.h): Include.
8370 (struct machine_function): New.
8371 (bfin_init_machine_status): New.
8372 (override_options): Initialize init_machine_status.
8373 (bfin_hardware_loop): New.
8374 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
8375 (DEF_VEC_P (loop_info)): New.
8376 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
8377 (struct loop_info): New.
8378 (loop_info): New typedef.
8379 (struct loop_work): New.
8380 (loop_work): New typedef.
8381 (DEF_VEC_O (loop_work)): New.
8382 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
8383 (bfin_dump_loops): New.
8384 (bfin_bb_in_loop): New.
8385 (bfin_scan_loop): New.
8386 (bfin_optimize_loop): New.
8387 (bfin_reorg_loops): New.
8388 (bfin_reorg): Use bfin_reorg_loops.
8389 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
8391 (I_REGNO_P): Simplify.
8392 (DP_REGNO_P, DPREG_P): New macros.
8393 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
8394 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
8395 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
8396 Add LT_REGS, LC_REGS, LB_REGS.
8397 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
8399 (REGNO_REG_CLASS): Deal with loop registers.
8400 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
8402 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
8403 New constants for loop registers.
8404 (UNSPEC_LSETUP_END): New.
8405 (seq_insns): New define_attr. Set it for appropriate insns.
8406 (movsi_insn): Add alternatives for move from/to
8407 loop count registers.
8408 (doloop_end): New define_expand.
8409 (loop_end): New define_insn.
8410 (define_split for bad doloop_end): New.
8411 (lsetup_with_autoinit): New define_insn.
8412 (lsetup_without_autoinit): New define_insn.
8413 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
8414 * config/bfin/predicates.md (lc_register_operand): New.
8415 (lt_register_operand): New.
8416 (lb_register_operand): New.
8417 (nondp_register_operand): New.
8418 (nondp_reg_or_memory_operand): New.
8419 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
8421 2006-05-31 Jie Zhang <jie.zhang@analog.com>
8423 * config/bfin/bfin.c (bfin_delegitimize_address): New.
8424 (TARGET_DELEGITIMIZE_ADDRESS): Define.
8426 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
8428 * Makefile.in (CATALOGS): Add po/ prefix.
8429 * configure: Regenerated.
8431 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
8434 * arm.c (arm_print_operand case 'S'): Validate that the operand is
8435 a shift operand before calling shift_op. Avoid redundant call of
8438 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
8439 DJ Delorie <dj@redhat.com>
8441 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
8442 we're inserting is a singlt-bit constant.
8444 2006-05-30 Roger Sayle <roger@eyesopen.com>
8446 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
8447 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
8449 2006-05-30 Roger Sayle <roger@eyesopen.com>
8451 PR tree-optimization/23452
8452 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
8453 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
8454 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
8455 complex values and with -ffast-math for FP complex values.
8457 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
8459 * c-common.h: Remove the prototype for yyparse.
8460 * rtl.h: Remove the prototype for init_loop.
8462 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
8464 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
8467 2006-05-30 Roger Sayle <roger@eyesopen.com>
8469 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
8471 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
8472 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
8474 2006-05-30 Dirk Mueller <dmueller@suse.de>
8477 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
8478 for CONSTANT_CLASS_P expresisons.
8480 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8483 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
8485 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
8487 PR tree-optimization/27779
8488 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
8489 initial_condition instead of CHREC_LEFT.
8491 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
8493 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
8494 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
8495 Make prototypes ISO C90.
8497 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
8498 Leehod Baruch <leehod.baruch@weizmann.ac.il>
8500 * see.c (see_analyze_one_def): Correct check.
8501 (see_get_extension_data): Check if extension is parallel.
8502 (see_get_extension_reg): Likewise.
8504 2006-05-30 Uros Bizjak <uros@kss-loka.si>
8507 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
8508 into register for (code == GTU).
8510 2006-05-29 Roger Sayle <roger@eyesopen.com>
8512 PR tree-optimization/24964
8513 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
8514 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
8515 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
8516 abs(x)*abs(x) as x*x for scalar floating point modes.
8518 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
8521 * lambda-code.c (perfect_nestify): Don't copy statements
8522 in the inner loop: move them to the inner loop header.
8524 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8527 * c-tree.texi: Document OpenMP directives and clauses.
8529 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8531 * varasm.c (globalize_decl): Fix indentation.
8533 2006-05-29 Diego Novillo <dnovillo@redhat.com>
8536 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
8537 pass_fre, pass_store_ccp, pass_copy_prop,
8538 pass_store_copy_prop, pass_merge_phi, pass_nrv,
8539 pass_return_slot, pass_object_size, pass_lim,
8540 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
8541 pass_loop_prefetch and pass_stdarg.
8543 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
8545 * config/bfin/bfin.opt (mfdpic): New option.
8546 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
8547 (EXTRA_MULTILIB_PARTS): Likewise.
8548 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
8549 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
8551 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
8552 (CRT_CALL_STATIC_FUNCTION): New.
8553 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
8555 (CRT_CALL_STATIC_FUNCTION): New.
8556 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
8558 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
8559 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
8560 (initialize_trampoline): Changed to handle FD-PIC code generation.
8561 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
8562 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
8563 (override_options): Disallow -mid-shared-library -mfdpic combination.
8564 Can't do unaligned ops if FD-PIC.
8565 Turn off flag_pic if trying to generate non-id-shared-library
8566 non-fdpic code, since it's not supported.
8567 (bfin_assemble_integer): New function.
8568 (TARGET_ASM_INTEGER): Define.
8569 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
8571 * config/bfin/crtn.s: Restore them.
8572 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
8574 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
8575 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
8576 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
8577 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
8578 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
8580 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
8581 FDPIC_REGS and FDPIC_FPTR_REGS.
8582 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
8583 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
8584 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
8585 (load_funcdescsi): New pattern.
8586 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
8587 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
8588 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
8590 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
8592 * gcse.c, rtlanal.c: Remove obsolete comments associated with
8595 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
8597 * tree-flow.h: Remove the prototype for add_type_alias.
8598 * tree-ssa-alias.c (add_type_alias): Remove.
8600 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
8602 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
8603 config/fr30/fr30.md, config/i386/i386-interix.h,
8604 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
8605 config/sh/superh64.h, config/v850/v850.c, df-core.c,
8606 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
8607 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
8608 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
8609 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
8610 Follow spelling conventions.
8611 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
8612 Follow spelling conventions.
8614 2006-05-27 Richard Guenther <rguenther@suse.de>
8617 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
8618 to produce a constant of value 1 of generic type.
8620 2006-05-27 Dirk Mueller <dmueller@suse.de>
8622 * cgraphunit.c (decide_is_function_needed): Fix wrong
8625 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
8627 PR rtl-optimization/27661
8628 * reload.c (find_reloads): When reloading a VOIDmode constant
8629 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
8630 use Pmode as mode of the reload register.
8632 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
8634 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
8635 is enabled at -O and above.
8637 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
8640 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
8643 2006-05-25 Mark Mitchell <mark@codesourcery.com>
8646 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
8647 for anonymous variables explicitly declared by front ends.
8649 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8651 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
8652 (struct alias_info): Add new field ref_all_symbol_mem_tag.
8653 * tree-ssa-alias.c (compute_may_aliases): If the program contains
8654 ref-all pointers, run a finalization pass for them.
8655 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
8656 (finalize_ref_all_pointers): New function.
8657 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
8658 regular pointer type to a ref-all pointer type.
8659 (get_tmt_for): Return the special memory tag for ref-all pointers.
8661 2006-05-25 Richard Guenther <rguenther@suse.de>
8664 * fold-const.c (fold_binary): Do not look at the stripped
8665 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
8667 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
8669 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
8670 for LT and GT if the computed range is effectively empty.
8672 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8675 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
8676 mips_quad_format formats instead of ieee_single_format,
8677 ieee_double_format and ieee_quad_format formats, respectively.
8679 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
8681 PR tree-optimization/27639
8682 PR tree-optimization/26719
8683 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
8684 call to scev_probably_wraps_p.
8685 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
8686 used_in_pointer_arithmetic_p, convert_step): Removed.
8687 (nowrap_type_p): New function.
8688 (scev_probably_wraps_p): Rewritten.
8689 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
8690 chrec_convert if chrec_convert_aggressive might have been used.
8691 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
8692 scev_direction): New functions.
8693 (chrec_convert): Changed to a wrapper over chrec_convert_1.
8694 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
8695 instead of convert_step.
8696 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
8697 (convert_step): Declaration removed.
8698 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
8700 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
8702 * df-core.c: Added to header comments.
8703 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
8704 df_ur_bb_info, df_urec_bb_info): Added comments.
8705 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
8706 urec, ri problems): Fixed header comments.
8707 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
8708 code from df_rd_transfer_function.
8710 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8712 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
8713 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
8714 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
8716 2006-05-23 Joseph Myers <joseph@codesourcery.com>
8718 * expr.c (undefined_operand_subword_p): New.
8719 (emit_move_multi_word): Do not generate move from undefined bits
8720 of a paradoxical subreg.
8722 2006-05-23 Richard Sandiford <richard@codesourcery.com>
8724 PR rtl-optimization/27736
8725 * combine.c (replaced_rhs_value): New variable.
8726 (combine_instructions): Set it.
8727 (distribute_notes): When distributing a note in replaced_rhs_insn,
8728 check whether the value was used in replaced_rhs_value.
8730 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
8733 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
8734 add_referenced_var instead of add_referenced_tmp_var.
8735 * tree-complex.c (create_one_component_var): Use add_referenced_var.
8736 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
8738 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
8739 tree_optimize_tail_calls_1): Use add_referenced_var.
8740 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
8741 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
8742 Use add_referenced_var.
8743 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
8744 * gimplify.c (force_gimple_operand): Use add_referenced_var.
8745 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
8746 Use add_referenced_var.
8747 * tree-dfa.c (struct walk_state): Remove.
8748 (find_referenced_vars): Remove walk state and vars_found hash table.
8749 (make_rename_temp): Use add_referenced_var.
8750 (find_vars_r): Pass less parameters to add_referenced_var.
8751 (referenced_var_p): New. Is var in referenced_var hash table.
8752 (referenced_var_insert): Assert var isn't already in hash table.
8753 (add_referenced_var): Don't need walk_state parameter. Add var if it
8754 isn't already in the hash table.
8755 (add_referenced_tmp_var): Remove.
8756 (find_new_referenced_vars_1): Use add_referenced_var.
8757 * tree-ssa-pre.c (create_expression_by_pieces,
8758 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
8759 Use add_referenced_var.
8760 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
8761 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
8762 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
8764 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
8765 vect_create_data_ref_ptr, vect_create_destination_var,
8766 vect_init_vector, vect_build_loop_niters,
8767 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
8768 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
8769 Use add_referenced_var.
8770 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
8771 * tree-flow.h (add_referenced_tmp_var): Remove prototype
8772 (add_referenced_var): Add prototype.
8773 * tree-ssa-structalias.c (get_constraint_for,
8774 intra_create_variable_infos): Use add_referenced_var.
8776 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
8778 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
8779 big-endian paradoxical subregs.
8780 * var-tracking.c (struct micro_operation_def): Document that,
8781 for modify micro operations, insn is the subsequent instruction.
8782 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
8783 (var_reg_set, var_mem_set): ... new functions.
8784 (add_stores): Record subsequent insn.
8785 (compute_bb_dataflow): Use new functions for MO_USE.
8786 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
8787 notes after the insn, and modify notes before the insn known
8788 to be the subsequent one.
8789 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
8791 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
8794 * config/i386/i386.c (ix86_expand_builtin): Use
8795 gen_sse3_monitor64 for TARGET_64BIT.
8797 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
8799 PR rtl-optimization/26375
8800 PR rtl-optimization/26855
8801 * df-problems (df_ru_bb_local_compute_process_def): Removed update
8803 (df_ru_bb_local_compute): Reversed statements and removed bogus
8804 comment explaining why they should be in wrong order.
8805 (df_ru_dump, df_rd_dump): Enhanced debug info.
8806 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
8808 * ddg.c (add_deps_for_def): Converted use of reaching defs to
8809 reaching uses and fixed space problem.
8811 2006-05-23 Jan Hubicka <jh@suse.cz>
8813 * cgraphunit.c (decide_is_function_needed): Also nested functions
8814 and functions declared inline can be optimized out at -O0.
8816 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
8818 * doc/install.texi (Configuration): Remove reference to CrossGCC
8822 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8825 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
8826 ix86_compare_emitted is non-NULL.
8828 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8831 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
8834 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8836 PR rtl-optimization/25514
8837 * combine.c (replaced_rhs_insn): New variable.
8838 (combine_instructions): Set replaced_rhs_insn when trying to replace
8839 a SET_SRC with a REG_EQUAL note.
8840 (distribute_notes): Use replaced_rhs_insn when determining the live
8841 range of a REG_DEAD register.
8843 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
8844 Anatoly Sokolov <aesok@post.ru>
8846 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
8847 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
8848 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
8849 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
8850 atmega3290, atmega649, atmega6490, atmega406, atmega640,
8851 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
8852 at90usb647, at90usb1286 and at90usb1287 devices.
8853 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
8854 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
8856 2006-05-22 Richard Sandiford <richard@codesourcery.com>
8858 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
8860 2006-05-22 Richard Guenther <rguenther@suse.de>
8863 2006-01-31 Richard Guenther <rguenther@suse.de>
8864 Paolo Bonzini <bonzini@gnu.org>
8866 * doc/install.texi (--disable-libgcc-math): Document.
8868 2006-05-22 Richard Guenther <rguenther@suse.de>
8871 2006-01-31 Richard Guenther <rguenther@suse.de>
8873 * doc/invoke.texi (-msselibm): Document.
8874 * target.h (expand_library_builtin): New target hook.
8875 * builtins.c (expand_builtin): Use expand_library_builtin.
8876 (default_expand_library_builtin): New function.
8877 * gcc.c (LINK_GCC_MATH_SPEC): Define.
8878 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
8879 (link_gcc_math_spec): Declare.
8880 (static_specs): Add link_gcc_math_spec.
8881 * expr.h (default_expand_library_builtin): Declare.
8882 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8883 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
8884 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
8885 * config/i386/i386.opt (msselibm): New target option.
8886 * config/i386/i386.c (ix86_builtin_function_variants): New array.
8887 (ix86_init_sse_abi_builtins): New function.
8888 (ix86_expand_library_builtin): Likewise.
8889 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
8890 (override_options): Handle error conditions wrt -msselibm.
8891 (ix86_builtins): Add function codes for SSE2 ABI builtins.
8892 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
8893 * doc/extend.texi (__builtin_sse2_*): Document new target specific
8896 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8899 * c-common.c (self_promoting_args_p): Skip erroneous args.
8902 * c-decl.c (finish_struct): Skip erroneous fields.
8904 2006-05-22 Nick Clifton <nickc@redhat.com>
8906 * config/cris/cris.opt (march): Remove VarExists attribute.
8907 (max-stackframe=): Likewise.
8909 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
8911 * doc/rtl.texi: Fix a typo.
8912 * see.c: Fix comment typos.
8914 * tree-ssa-structalias.h (alias_info): Remove num_references.
8916 2006-05-21 Mike Stump <mrs@apple.com>
8918 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
8920 (darwin_pragma_options): Use BAD instead.
8921 (darwin_pragma_unused): Likewise.
8922 (darwin_pragma_ms_struct): Likewise.
8924 2006-05-21 David Edelsohn <edelsohn@gnu.org>
8926 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
8928 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
8930 PR rtl-optimization/27671
8931 * simplify-rtx.c (simplify_relational_operation_1): Fix
8932 simplifications of (eq/ne (xor x y) y) and
8933 (eq/ne (xor x y) x).
8935 PR tree-optimization/26622.
8936 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
8939 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8941 * tree-cfg.c: Prune whitespace.
8942 (debug_tree_cfg): Point to correct header containing the
8945 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
8948 * cgraphunit.c (verify_cgraph_node): Typo in error message.
8950 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
8953 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
8954 or sorry count is non zero.
8956 2006-05-20 Andreas Schwab <schwab@suse.de>
8958 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
8960 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
8961 Kenneth Zadeck <zadeck@naturalbridge.com>
8963 PR rtl-optimization/26855
8965 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
8967 (df_scan_alloc): Added code to properly handle multiword hard
8968 registers and add all_blocks parameter.
8969 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
8970 code to properly handle multiword hard registers.
8971 (df_rescan_blocks): Added code to remove deleted blocks from
8973 (df_ref_create_structure, df_ref_record): Added code to properly
8975 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
8976 and set DF_REF_PARTIAL.
8977 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
8978 (df_uses_record): Added DF_REF_PARTIAL for subreg.
8979 (df_scan_add_problem): Added flags parameter.
8980 (df_ref_create_structure): Changed switching structure.
8981 (df_bb_refs_record): Fixed case where duplicate artificial refs
8982 were created. Changed location of flags.
8983 (df_record_entry_block_defs): Added code to make stack pointer
8984 live in entry block. Refined cases where frame pointer is needed.
8985 Changed location of flags.
8986 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
8987 (df_set_state): Removed function.
8988 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
8989 df_insn_create_insn_record, df_insn_refs_delete,
8990 df_ref_create_structure): Formatting changes.
8991 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
8992 df_delete_basic_block): New function.
8993 (df_init): Changed location of flags.
8994 (df_add_problem): Added flags parameter and the way flags are
8996 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
8997 debug_df_chain): Improved debugging output.
8998 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
8999 (df_refs_chain_dump): Removed df parameter.
9000 (df_iterative_dataflow): Added consistency check.
9001 (df_prune_to_subcfg): Made public.
9002 (df_analyze_problem): Added blocks_to_init parameter and made
9004 (df_ref_record, df_bb_refs_record, df_mark_reg,
9005 df_record_exit_block_uses): Whitespace changes.
9006 (df_dump): Whitespace changes.
9007 * df.h: Some reordering to remove forward references.
9008 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
9009 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
9010 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
9011 (dataflow.flags): New field.
9012 (df.flag): Deleted field.
9013 (df_alloc_function): Added additional bitmap parameter.
9014 (df_dependent_problem_function): New type.
9015 (df_problem.changeable_flags): New field.
9016 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
9017 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
9018 (df_mw_hardreg): New struct.
9019 (DF_INSN_UID_MWS): New macro.
9020 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
9022 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
9023 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
9024 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
9025 (df_set_state): Removed function.
9026 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
9027 * df-problems.c (df_chain_dump): Removed df parameter.
9028 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
9029 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
9031 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
9032 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
9033 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
9034 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
9035 DF_REF_MUST_CLOBBER cases.
9036 (df_ru_bb_local_compute_process_def,
9037 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
9038 df_lr_bb_local_compute, df_ur_bb_local_compute,
9039 df_chain_create_bb): Made subreg aware.
9040 (df_ru_bb_local_compute, df_rd_bb_local_compute,
9041 df_lr_bb_local_compute, df_lr_bb_local_compute,
9042 df_chain_create_bb): Cleanup to use proper macros.
9043 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
9044 code to fixup bitvectors.
9045 (df_ri_alloc): Cleared lifetime.
9046 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
9047 df_create_unused_note): New function.
9048 (df_ri_bb_compute, df_ri_compute): Added code to create/update
9049 REG_DEAD and REG_UNUSED notes as well as register information.
9050 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
9051 df_chains_dump): Fixed crash if problem was never run.
9052 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
9053 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
9054 df_ri_add_problem): Processes flags in uniform manner.
9055 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
9056 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
9057 df_rd_dump, df_urec_free_bb_info): Formatting changes.
9058 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
9059 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
9060 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
9061 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
9062 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
9063 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
9064 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
9065 * see.c (see_initialize_data): Ditto.
9066 * final.c (rest_of_clean_state) Added regstack_completed.
9067 * rtl.h (regstack_completed): Ditto.
9068 * reg-stack.c (regstack_completed): Ditto.
9070 2006-05-19 Mike Stump <mrs@apple.com>
9072 * c-tree.h (default_conversion): Remove.
9073 * c-common.h (default_conversion): Add.
9075 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
9077 * tree-vrp.c (valid_value_p): New function.
9078 (adjust_range_with_scev): Fail if the value of bound is not
9081 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9083 * config/mips/linux-unwind.h: Include <asm/unistd.h>
9084 (mips_fallback_frame_state): Use syscall numbers to determine
9085 the appropriate li instruction for the current ABI. Only use
9086 __NR_sigreturn for o32.
9088 2006-05-19 Nicolas Setton <setton@adacore.com>
9090 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
9091 * langhooks.c (lhd_dwarf_name): New function.
9092 * langhooks-def.h (lhd_dwarf_name): Declare.
9093 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
9094 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
9096 2006-05-19 Richard Sandiford <richard@codesourcery.com>
9098 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
9100 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
9101 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
9102 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
9103 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
9104 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
9105 determine the size of Wtype, etc.
9106 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
9107 (swfloatfuncs): New variable.
9108 (dwfloatfuncs): Likewise.
9109 (lib2funcs): Remove floating-point conversion functions from
9110 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
9111 the set of conversion routines needed. Allow entries to specify
9112 an object name, filename and word size. Update users accordingly.
9113 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
9114 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
9118 2006-02-08 Roger Sayle <roger@eyesopen.com>
9121 * config/fixtfdi.c: New libgcc source file.
9122 * config/fixunstfdi.c: New source file.
9123 * config/floatditf.c: New source file.
9124 * config/floatunditf.c: New souce file.
9125 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
9126 files above instead of config/mips/_tilib.c.
9127 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
9129 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9131 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
9132 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
9134 2006-05-18 Mike Stump <mrs@apple.com>
9136 Fix up vla, vm and [*] sematics.
9142 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
9143 (c_vla_unspec_p): Add.
9144 (c_vla_type_p): Add.
9145 * c-decl.c (struct c_scope): Add had_vla_unspec.
9146 (build_array_declarator): Add support for [*].
9147 (grokdeclarator): Likewise.
9148 (grokparms): Likewise.
9149 (get_parm_info): Likewise.
9150 * c-objc-common.c (c_vla_unspec_p): Likewise.
9151 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
9152 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
9153 typeof when argument is a variably modified type not inside sizeof or alignof.
9154 (c_parser_direct_declarator_inner): Propagate errors.
9155 (c_parser_sizeof_expression): Add support for [*].
9156 (c_parser_parms_declarator): Initialize had_vla_unspec.
9157 (c_parser_parms_list_declarator): Likewise.
9158 * c-typeck.c (c_vla_type_p): Add.
9159 (composite_type): Add support for vla compositing.
9160 (comptypes_internal): Add support for vla compatibility.
9161 (c_expr_sizeof_expr): Evaluate vla arguments.
9162 * tree.c (variably_modified_type_p): Update comment for [*].
9164 2006-05-18 Michael Matz <matz@suse.de>
9167 * config.host: Make assignments to host_xmake_file cumulative.
9168 * config.host (*-darwin*): Test $host, not $target.
9170 2006-05-12 Stuart Hastings <stuart@apple.com>
9172 * config/i386/i386.opt (-mstackrealign): New flag.
9173 * config/i386/i386.c (force_align_arg_pointer): New attribute.
9174 (ix86_handle_cconv_attribute): Emit error when
9175 force_align_arg_pointer attribute collides with too many regparms.
9176 (ix86_function_regparm): Limit regparms when used with
9177 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
9178 Support stack-realigning prologue in non-main functions. Emit
9179 warning for nested functions under -mstackrealign, emit error for
9180 nested functions with force_align_arg_pointer attribute.
9181 * doc/extend.texi (force_align_arg_pointer): Document it.
9182 * doc/invoke.texi (-mstackrealign): Document it.
9184 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
9186 PR rtl-optimization/27477
9187 * combine.c (try_combine): Don't split a parallel consisting
9188 of two sets into two individual sets if both sets reference
9191 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
9193 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
9194 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
9196 * doc/options.texi (VarExists): Updated.
9198 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9200 * unwind-dw2.c: Add declarations for uw_update_context and
9202 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
9203 detected, advance frame state and context once to skip over stub.
9205 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9209 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
9210 Call rewrite_into_loop_closed_ssa only when something changed.
9211 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
9212 * lambda-code.c (can_convert_to_perfect_nest): Declared.
9213 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
9214 Test for perfect_nest_p here. Fix formating.
9215 (replace_uses_equiv_to_x_with_y): Fix formating.
9216 (stmt_uses_op): Removed.
9217 (can_convert_to_perfect_nest): Removed loopivs parameter.
9218 Complete the test by checking the scalar dependences.
9219 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
9222 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9225 From Dan Kegel <dank@kegel.com>:
9226 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
9228 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
9230 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
9231 if the element type is variably modified without recursing.
9233 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
9236 * tree-loop-linear.c (try_interchange_loops): Test for
9237 no data dependences.
9239 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
9241 PR tree-optimization/27548
9242 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
9243 range of ssa names that appear on abnormal edges.
9244 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
9245 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
9247 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
9250 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
9252 2006-05-17 Jakub Jelinek <jakub@redhat.com>
9255 * tree.h (OMP_PARALLEL_COMBINED): Define.
9256 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
9257 (new_omp_context): Add is_combined_parallel argument.
9258 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
9259 new_omp_context caller.
9260 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
9261 Adjust gimplify_scan_omp_clauses callers.
9262 (omp_is_private): Issue errors if iteration variable is firstprivate
9263 or reduction in the current context.
9264 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
9265 on combined parallel workshare constructs.
9267 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9269 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
9270 (gcc-options.o): New rule.
9272 * optc-gen.awk: Protect variables for gcc-options.o with
9273 #ifdef GCC_DRIVER/#endif.
9275 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
9277 Fix PR tree-optimization/27373
9278 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
9279 (forward_propagate_addr_expr): Update call.
9281 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9283 * doc/options.texi: Move the Negative option.
9285 2006-05-16 Richard Guenther <rguenther@suse.de>
9287 PR tree-optimization/22303
9288 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
9290 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
9291 ccp_fold did not simplify the statement.
9293 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
9296 * Makefile.in (GCC_OBJS): New.
9297 (OBJS-common): Add opts-common.o.
9298 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
9299 (cpp$(exeext)): Likewise.
9300 (gcc.o): Also depend on opts.h.
9301 (opts-common.o): New.
9303 * common.opt (gcoff): Add Negative(gdwarf-2).
9304 (gdwarf-2): Add Negative(gstabs).
9305 (gstabs): Add Negative(gstabs+).
9306 (gstabs+): Add Negative(gvms).
9307 (gvms): Add Negative(gxcoff).
9308 (gxcoff): Add Negative(gxcoff+).
9309 (gxcoff+): Add Negative(gcoff).
9310 * config/i386/i386.opt (m32): Add Negative(m64).
9311 (m64): Add Negative(m32).
9313 * doc/options.texi: Document the Negative option.
9315 * gcc.c: Include "opts.h".
9316 (main): Call prune_options after expandargv.
9318 * optc-gen.awk: Generate common declarations for all flag
9319 variables in options.c. Output the neg_index field.
9321 * opts.c (find_opt): Moved to ...
9322 * opts-common.c: Here. New file.
9324 * opts.h (cl_option): Add a neg_index field.
9326 (prune_options): Likewise.
9328 2006-05-16 Jakub Jelinek <jakub@redhat.com>
9331 * omp-low.c (expand_omp_parallel): Don't assert
9332 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
9333 instead search for it.
9336 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
9339 2006-05-16 Andreas Schwab <schwab@suse.de>
9341 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
9344 2006-05-15 Roger Sayle <roger@eyesopen.com>
9347 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
9348 integer constants other than zero are only legitimate on TARGET_64BIT.
9349 <CONST_VECTOR> Only zero vectors are legitimate.
9350 (ix86_cannot_force_const_mem): Integral and vector constants can
9351 always be put in the constant pool.
9353 2006-05-16 DJ Delorie <dj@redhat.com>
9355 * crtstuff.c (__dso_handle): Set section from
9356 TARGET_LBIGCC_SDATA_SECTION if defined.
9357 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
9358 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
9360 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
9363 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
9366 2006-05-16 Ben Elliston <bje@au.ibm.com>
9368 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
9370 2006-05-15 Per Bothner <per@bothner.com>
9372 * tree.c: (last_annotated_node): Use source_locus typedef.
9373 This permits bootstrapping with --enable-mapped-location.
9375 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
9377 PR tree-optimization/26830
9378 * tree-into-ssa.c (struct ssa_name_info): Add age field.
9379 (info_for_ssa_name, current_info_for_ssa_name_age,
9380 blocks_to_update): New variables.
9381 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
9382 (clear_ssa_name_info, initialize_flags_in_bb,
9383 mark_block_for_update): New functions.
9384 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
9385 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
9386 prepare_def_site_for): Use mark_block_for_update.
9387 (mark_def_interesting): Assert that the processed block is marked in
9388 blocks_to_update. Do not take blocks argument.
9389 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
9391 (rewrite_update_init_block, rewrite_update_stmt): Only process
9392 blocks with statements to rewrite.
9393 (delete_update_ssa): Do not clear SSA_NAME_AUX.
9394 (update_ssa): Initialize and free blocks_to_update. Do not
9395 clear flags on statements. Do not use blocks bitmap.
9396 * tree.h (SSA_NAME_AUX): Removed.
9397 (struct tree_ssa_name): Removed aux field.
9398 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
9400 2006-05-15 Richard Guenther <rguenther@suse.de>
9402 PR tree-optimization/27603
9403 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
9404 Do computations in original type.
9406 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
9408 * see.c: Code style changes such as redundant paranthesis,
9409 redundant intialization of local variables etc.
9410 (see_main): Declared now as static.
9411 * doc/invoke.texi: Update that -fsee is not enabled by
9414 2006-05-15 Jakub Jelinek <jakub@redhat.com>
9416 * omp-low.c (check_omp_nesting_restrictions): New function.
9417 (scan_omp_1): Call it.
9420 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
9421 construct, return *VAR.
9423 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
9425 PR rtl-optimization/27406
9426 * bt-load.c (migrate_btr_def): Skip the block having abnormal
9429 2006-05-14 Roger Sayle <roger@eyesopen.com>
9431 PR rtl-optimization/27538
9432 * combine.c (expand_compound_operation): Call gen_lowpart
9433 before calling simplify_shift_const.
9435 2006-05-14 Roger Sayle <roger@eyesopen.com>
9437 PR rtl-optimization/22563
9438 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
9439 a fixed width bitfield, always force the intermediates into psuedos.
9441 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
9444 * mkconfig.sh: Use operator = instead of == for test.
9446 2006-05-13 Nick Clifton <nickc@redhat.com>
9448 * dwarf2out.c (dbx_reg_number): Check return value from
9449 LEAF_REG_REMAP and only use it if it is valid.
9450 (multiple_reg_loc_descriptor): Likewise.
9452 2006-05-13 Richard Guenther <rguenther@suse.de>
9454 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
9457 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
9459 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
9460 information attached to non-INSNs such as NOTEs.
9461 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
9463 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
9465 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
9467 * config/s390/s390.md: Adjust comment describing On constraint.
9469 2006-05-11 Jan Hubicka <jh@suse.cz>
9471 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
9472 to be output at -O0.
9474 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9477 * fold-const.c (size_binop): Move sanity check for arguments to
9478 the beginning of the function.
9481 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
9484 2006-05-11 Richard Guenther <rguenther@suse.de>
9487 * fold-const.c (fold_unary): Handle intermediate conversion
9488 to a pointer type like intermediate conversion to an integer
9489 type in folding of (T1)(T2)var to var.
9490 Match the code to the comment in the final conversion for
9491 (T1)(T2)var to (T1)var regarding to type precision. Rather
9492 than disallow T1 being of pointer type, assert that both T1
9493 and var are of pointer type or not. Make sure not to fall
9494 over the frontends lazyness wrt array to pointer decay though.
9496 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
9498 * arm.c (arm_struct_value_rtx): Delete.
9499 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
9500 (arm_init_cumulative_args): Always initialize nregs to zero.
9502 2006-05-10 Richard Guenther <rguenther@suse.de>
9504 PR tree-optimization/27532
9505 * tree-object-size.c (plus_expr_object_size): Fix typo.
9507 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
9510 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
9511 ashrdi_const, ashrdi3): Use a scratch register.
9513 2006-05-10 Richard Guenther <rguenther@suse.de>
9515 PR tree-optimization/27302
9516 * fold-const.c (operand_equal_p): For two comparisons,
9517 try comparison of one comparison code swapped if that yields
9520 2006-05-10 Ben Elliston <bje@au.ibm.com>
9522 * tree-pretty-print.c (pretty_print_string): No need to handle
9523 '\0' as a special character.
9525 * tree.h: Include "hashtab.h".
9526 (iterative_hash_expr): Use hashval_t in its prototype.
9527 * Makefile.in (TREE_H): Add $(HASHTAB_H).
9529 2006-05-09 Steve Ellcey <sje@cup.hp.com>
9532 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
9533 (hppa*64*-*-hpux11*): Ditto.
9534 (hppa[12]*-*-hpux11*): Ditto.
9536 2006-05-09 David Edelsohn <edelsohn@gnu.org>
9539 * config/rs6000/aix41.h (TARGET_64BIT): Define.
9541 2006-05-09 Michael Matz <matz@suse.de>
9543 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
9544 host_extra_gcc_objs and host_xmake_file.
9545 (<*-*-linux*>): Don't overwrite host_xmake_file.
9546 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
9547 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
9548 (host_detect_local_cpu): Declare.
9549 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
9550 * config/i386/i386.c (override_options): Handle -mtune=native
9552 * config/i386/x-i386: New file.
9553 * config/i386/driver-i386.c: New file.
9554 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
9557 2006-05-09 Dirk Mueller <dmueller@suse.de>
9558 Richard Guenther <rguenther@suse.de>
9561 * fold-const.c (fold_read_from_constant_string): Relax check
9562 for matching types to matching modes.
9564 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
9566 PR rtl-optimization/27335
9567 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
9570 2006-05-08 Chao-ying Fu <fu@mips.com>
9571 Richard Sandiford <richard@codesourcery.com>
9573 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
9574 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
9575 * config/mips/mips.md (UNSPEC_SCC): New constant.
9576 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
9577 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
9578 (mips_emit_compare): Use it.
9579 (mips_expand_vcondv2sf): New function.
9581 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
9583 Fix PR tree-optimization/27093
9584 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
9585 renaming when they become not-used_alone.
9587 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9589 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
9590 relocation and relocation stubs.
9592 2006-05-08 Eric Christopher <echristo@apple.com>
9594 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
9597 2006-05-08 Jan Hubicka <jh@suse.cz>
9600 * cgraphunit.c (decide_is_function_needed): When not optimizing even
9601 unused static functions are needed.
9603 2006-05-08 Roger Sayle <roger@eyesopen.com>
9606 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
9607 of a reg_equiv_constant if the result is a legitimate constant.
9609 2006-05-08 Uros Bizjak <uros@kss-loka.si>
9612 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
9613 standard 80387 constants, raise the cost to prevent
9614 compress_float_constant() to generate load from memory.
9616 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
9618 * config/arm/constraints.md (c): Fix a typo.
9620 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
9623 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
9626 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
9628 (_mm_mwait): Likewise.
9630 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
9632 (sse3_monitor): Make it 32bit only.
9633 (sse3_monitor64): New. 64bit monitor.
9635 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
9638 * config/i386/i386.c (classify_argument): Skip fields with invalid
9641 2006-05-07 Richard Guenther <rguenther@suse.de>
9643 PR tree-optimization/27409
9644 * tree-ssa-structalias.c (get_constraint_for_component_ref):
9645 Do not try to find zero-sized subvars.
9647 2006-05-07 Richard Guenther <rguenther@suse.de>
9649 PR tree-optimization/27136
9650 * tree-ssa-loop-niter.c (get_val_for): Correct function
9651 comment, assert requirements.
9652 (loop_niter_by_eval): Stop processing if the iterated
9653 value did not simplify.
9655 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
9657 * opts.c (flag_see): remove its setting at -O3.
9659 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
9661 * genpeep.c (main): Make insn-peep.c depend on flags.h.
9662 * arm/constraints.md: New file.
9663 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
9664 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
9665 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
9666 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
9667 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
9668 (EXTRA_MEMORY_CONSTRAINT): Likewise.
9669 * arm.md: Include constraints.md.
9670 (thumb_movsi_insn): Use satisfies_constraint_J.
9671 (movhi, movqi): Use satisfies_constraint_I.
9673 2006-04-29 Anatoly Sokolov <aesok@post.ru>
9675 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
9676 for atmeg a645 device.
9678 2006-05-06 Richard Guenther <rguenther@suse.de>
9680 PR tree-optimization/27151
9681 * tree-vect-transform.c (vectorizable_condition): Punt on
9682 values that have a different type than the condition.
9684 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
9687 * c-parser.c (c_parser_cast_expression): Only insert casts into
9688 hash table if pointer.
9689 * function.c (used_types_insert_helper): Rename from
9691 (used_types_insert): Call used_types_insert_helper.
9692 * function.h (used_types_insert): Accept only one argument.
9694 2006-05-05 David Edelsohn <edesohn@gnu.org>
9696 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
9697 scratch with output modifier.
9699 2006-05-04 David Edelsohn <edelsohn@gnu.org>
9702 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
9703 with output modifier.
9705 2006-05-04 Richard Sandiford <richard@codesourcery.com>
9708 * config/mips/mips.c (mips_symbolic_address_p): Return true
9709 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
9710 SYMBOL_GOTTPREL, and SYMBOL_TLS.
9712 2006-05-04 Richard Guenther <rguenther@suse.de>
9714 PR tree-optimization/14287
9715 PR tree-optimization/14844
9716 PR tree-optimization/19792
9717 PR tree-optimization/21608
9718 PR tree-optimization/27090
9719 * tree-ssa-pre.c (try_combine_conversion): New function.
9720 (compute_avail): After constructing the value-handle
9721 expression, use try_combine_conversion to combine NOP_EXPRs
9722 with previous value-handle expressions and use the result if it
9725 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
9727 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
9729 2006-05-04 Jan Hubicka <jh@suse.cz>
9732 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
9734 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
9736 * config/bfin/predicates.md (const01_rtx): Tell generator programs
9737 that this only matches CONST_INTs. All users changed to VOIDmode
9740 * config/bfin/bfin.c: Include "optabs.h".
9741 (bfin_rtx_costs): Some costs for vector operations, to allow combine
9743 (enum bfin_builtins): Add a number of fractional and vector builtins.
9744 (bfin_init_builtins): Likewise.
9745 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
9746 (safe_vector_operand, bfin_expand_binop_builtin,
9747 bfin_expand_unop_builtin): New functions.
9748 (bfin_expand_builtin): Handle the new builtins.
9749 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
9752 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
9755 * Makefile.in (OBJS-common): Add see.o.
9756 (see.o): Add dependencies.
9757 * common.opt (fsee): New flag for the see optimization was added.
9758 * opts.c (flag_see): Initialized.
9759 * passes.c (init_optimization_passes, pass_see): New pass.
9760 * rtl.h (see_main): Declaration as extern.
9761 * timevar.def (TV_SEE): New.
9762 * tree-pass.h (pass_see): Declaration as extern.
9763 * invoke.texi (-fsee): Document.
9764 * recog.c (validate_simplify_insn): New function.
9765 * recog.h (validate_simplify_insn): Declaration as extern.
9766 * df-problems.c (df_chain_dump): Check for NULL.
9768 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
9769 Daniel Berlin <dberlin@dberlin.org>
9771 * cfgrtl.c (insert_insn_bb_end_new): New function.
9772 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
9774 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
9776 * df.h (struct web_entry): Moved from web.c.
9777 (union_defs): Declaration as extern.
9778 (unionfind_root): Likewise.
9779 (unionfind_union): Likewise.
9780 * web.c (struct web_entry): Moved to df.h.
9781 (unionfind_root): Remove static declaration.
9782 (unionfind_union): Likewise.
9783 (union_defs): Likewise and generalize to use callback function.
9784 (web_main): Update arguments for union_defs function call.
9786 2006-05-04 Richard Guenther <rguenther@suse.de>
9788 PR tree-optimization/26447
9789 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
9790 produce SSA_NAME copies before the store stmt to avoid
9791 breaking exception handling.
9793 2006-05-04 Jakub Jelinek <jakub@redhat.com>
9796 * gimplify.c (omp_is_private): If var is shared in some outer context,
9797 return false instead of true. Stop searching on parallel context
9800 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
9803 * coverage.c: Use get_gcov_unsigned_t() instead of
9804 unsigned_type_node all over.
9806 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
9808 PR tree-optimization/27381
9809 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
9810 maintain the same immediate_use links.
9811 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
9812 node rather than segfaulting.
9814 2006-05-03 Jakub Jelinek <jakub@redhat.com>
9817 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
9818 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
9819 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
9821 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
9823 Fix PR tree-optimization/26626
9824 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
9826 * tree-ssa-operands.c (access_can_touch_variable): Allow
9827 typecasting through union pointers.
9829 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9832 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
9833 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
9834 to find if var will be a global variable even in the nested context.
9835 (omp_copy_decl): Only check for global variable at the end, it might
9836 be overridden in outer contexts.
9837 (scan_sharing_clauses): For global variables don't create a field.
9838 (lower_rec_input_clauses): Do nothing for global shared variables.
9839 Emit a barrier at the end of ILIST if there were any decls in both
9840 firstprivate and lastprivate clauses.
9841 (lower_send_clauses): Do nothing for global variables except for
9844 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
9846 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
9847 of the correct signedness is returned.
9849 2006-05-02 Jeff Law <law@redhat.com>
9851 PR tree-optimization/27364
9852 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
9853 multiply expressions.
9855 2006-05-02 Tom Tromey <tromey@redhat.com>
9857 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
9859 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
9862 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
9863 -mthumb -fPIC are used.
9865 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
9866 Joshua Kinard <kumba@gentoo.org>
9869 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
9870 with 64-bit pointers.
9872 2006-05-02 Paul Brook <paul@codesourcery.com>
9874 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
9876 (create_fix_barrier): Check that a suitable barrier location is
9878 (arm_reorg): Include ftmp->address in allowable range of addresses.
9880 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
9883 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
9886 2006-05-02 Jakub Jelinek <jakub@redhat.com>
9889 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
9890 around RESULT_DECL for result passed by reference.
9891 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
9892 * omp-low.c (use_pointer_for_field): Don't look at
9893 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
9894 (scan_omp_1): Call remap_decl on RESULT_DECLs.
9895 (lower_rec_input_clauses): Don't allocate VLA memory for the second
9896 time or var for passing by reference for
9897 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
9898 TREE_ADDRESSABLE variables when passing by reference.
9900 * omp-low.c (dump_omp_region): Fix output formatting.
9903 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
9904 (expand_omp_parallel): Likewise.
9905 * tree-cfg.c (move_sese_region_to_fn): Likewise.
9908 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
9909 on statement list containing also constructors and destructors.
9910 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
9913 * except.c (duplicate_eh_regions): Fix clearing of
9914 cfun->eh->region_array entries.
9916 2006-05-01 DJ Delorie <dj@redhat.com>
9918 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
9920 (gcc_cv_objdump): Likewise.
9921 * configure: Regenerated.
9923 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
9926 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
9927 templates for case 3 and 4.
9929 2006-05-01 DJ Delorie <dj@redhat.com>
9931 * vec.c: Include bconfig.h when appropriate.
9932 * Makefile.in (build/vec.o): Adjust dependencies.
9933 * mkconfig.sh: Make sure config.h isn't used for build machine
9936 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9938 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
9940 (mark_phi_for_rewrite): New function.
9941 (insert_phi_nodes_for, mark_use_interesting): Call
9942 mark_phi_for_rewrite.
9943 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
9944 (update_ssa): Initialize and free phis_to_rewrite.
9946 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9948 PR rtl-optimization/27291
9949 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
9950 folded to a constant.
9952 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9954 PR tree-optimization/27283
9955 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
9956 not whole # of iteration descriptions.
9957 (niter_for_exit): Return just # of iterations. Fail if # of iterations
9958 uses abnormal ssa name.
9959 (niter_for_single_dom_exit): Ditto.
9960 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
9961 return just the number of iterations.
9963 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
9965 PR tree-optimization/27144
9966 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
9967 (record_estimate): Only record constant upper bound.
9968 (infer_loop_bounds_from_undefined): Call
9969 compute_estimated_nb_iterations just once.
9970 (proved_non_wrapping_p): Renamed to ...
9971 (n_of_executions_at_most): ... this. Expect bound to be a constant.
9972 (convert_step_widening, scev_probably_wraps_p): Call
9973 n_of_executions_at_most instead of proved_non_wrapping_p.
9974 (substitute_in_loop_info): Do not replace values in bounds.
9975 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
9978 2006-05-01 Richard Henderson <rth@redhat.com>
9981 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
9982 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
9985 2006-05-01 Roger Sayle <roger@eyesopen.com>
9987 * c-typeck.c (parser_build_binary_op): Don't call the function
9988 unsigned_conversion_warning to spot operand/result type overflow.
9989 (build_binary_op): Instead, call convert_and_check instead of
9990 convert to report the problem when the operands are promoted.
9991 * c-common.c (unsigned_conversion_warning): Make static.
9992 * c-common.h (unsigned_conversion_warning): Delete prototype.
9994 2006-05-01 Richard Guenther <rguenther@suse.de>
9996 PR tree-optimization/26726
9997 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
9999 (find_interesting_uses_address): ... we work around here
10000 by folding INDIRECT_REFs in the substituted base.
10002 2006-05-01 Diego Novillo <dnovillo@redhat.com>
10004 * omp-low.c (dump_omp_region): Add newlines.
10006 2006-04-30 Roger Sayle <roger@eyesopen.com>
10008 * common.opt (Woverflow): New command line option.
10009 * c-common.c (constant_expression_warning): Check warn_overflow.
10010 (overflow_waring): Pass OPT_Woverflow to warning.
10011 (unsigned_conversion_warning): Likewise.
10012 (convert_and_check): Likewise.
10013 * doc/invoke.texi: Document new command line option.
10015 2006-04-30 David Edelsohn <edelsohn@gnu.org>
10017 * config/rs6000/rs6000.c (rs6000_override_options): Enable
10018 TARGET_NO_FP_IN_TOC for section anchors.
10019 (optimization_options): Enable section anchors for all
10020 non-"Objective" languages.
10022 2006-04-28 Eric Christopher <echristo@apple.com>
10024 * config/darwin-c.c (darwin_ms_struct): Move this
10025 (darwin_set_default_type_attributes): and this...
10026 * config/darwin.c: ... here.
10027 * config/darwin.h (darwin_ms_struct): Declare.
10029 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
10031 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
10033 2006-04-28 Roger Sayle <roger@eyesopen.com>
10036 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
10037 (push_array_bounds): Delete prototype. Change BOUNDS argument to
10038 an unsigned HOST_WIDE_INT.
10039 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
10041 (really_start_incremental_init): No need to call convert because
10042 bitsize_zero_node is already of type bitsizetype.
10043 (push_init_level): Extract the value of constructor_index as an
10044 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
10045 (process_init_element): Likewise.
10047 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
10049 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
10050 value before passing to make_relative_prefix.
10052 2006-04-28 Alan Modra <amodra@bigpond.net.au>
10054 PR middle-end/27260
10055 * builtins.c (expand_builtin_memset): Expand val in original mode.
10057 2006-04-27 Eric Christopher <echristo@apple.com>
10059 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
10060 with #ifndef/#endif.
10061 * config/darwin-c.c (darwin_ms_struct): New.
10062 (darwin_pragma_ms_struct): Ditto.
10063 (darwin_set_default_type_attributes): Ditto.
10064 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
10065 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
10066 Register ms_struct pragma.
10067 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
10068 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
10069 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
10070 darwin_set_default_type_attributes if TARGET_MACHO.
10072 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
10074 PR tree-optimization/26854
10075 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
10076 * doc/tree-ssa.texi: Update immuse iterator documentation.
10077 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
10078 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
10079 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
10080 first_safe_imm_use, next_safe_imm_use): Remove.
10081 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
10082 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
10083 (move_use_after_head): New. Helper function to sort immuses in a stmt.
10084 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
10085 (first_imm_use_stmt): New. Get first stmt in an immuse list.
10086 (next_imm_use_stmt): New. Get next stmt in an immuse list.
10087 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
10088 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
10089 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
10090 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
10091 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
10092 (perfect_nestify): Use new iterator.
10093 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
10095 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
10096 (next_imm_name): New field in struct immediate_use_iterator_d.
10097 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
10098 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
10099 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
10100 * tree-cfg.c (replace_uses_by): Use new iterator.
10101 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
10102 * tree-ssa-operands.c (correct_use_link): Remove.
10103 (finalize_ssa_use_ops): No longer call correct_use_link.
10105 2006-04-27 Stuart Hastings <stuart@apple.com>
10107 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
10108 * config/t-darwin (crt3.o): Use it.
10109 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
10110 'pmode', use Pmode instead of SImode for SYMBOL_REF.
10111 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
10112 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
10113 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
10116 2006-04-27 Roger Sayle <roger@eyesopen.com>
10118 * expmed.c (store_fixed_bit_field): If we're not optimizing for
10119 size, force the intermediate into a new pseudo rather instead of
10120 performing both a bitwise AND and a bitwise IOR in memory.
10122 2006-04-27 Richard Guenther <rguenther@suse.de>
10124 PR rtl-optimization/26685
10125 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
10126 this one "max-flow-memory-locations".
10128 2006-04-27 Richard Guenther <rguenther@suse.de>
10130 PR tree-optimization/25148
10131 * tree-vrp.c (compare_values): Remove code dealing with
10132 comparisons against type min/max value. Honour overflow
10133 and negative constants in code dealing with comparisons
10134 of plus and minus expressions.
10135 (value_inside_range): Use fold_binary with LE_EXPR and
10136 GE_EXPR rather than compare_values.
10138 2006-04-27 Dirk Mueller <dmueller@suse.de>
10140 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
10143 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
10145 * basic-block.h (safe_insert_insn_on_edge): Removed.
10146 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
10148 2006-04-26 David Edelsohn <edelsohn@gnu.org>
10149 Paolo Bonzini <bonzini@gnu.org>
10151 PR middle-end/27282
10152 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
10153 (simplify_and_const_int): Same.
10155 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
10157 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
10159 2006-04-26 Jakub Jelinek <jakub@redhat.com>
10162 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
10163 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
10164 cgraph_global_info_ready.
10166 PR middle-end/26913
10167 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
10170 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
10171 either decl or init is error_mark_node.
10173 PR middle-end/25989
10174 * tree-flow.h (struct omp_region): Add sched_kind.
10175 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
10176 instead of extracting omp for data.
10177 (expand_omp_for): Save extracted sched_kind.
10179 2006-04-25 Roger Sayle <roger@eyesopen.com>
10181 * expmed.c (store_bit_field): Also check whether the bitsize is
10182 valid for the machine's "insv" instruction before moving the
10183 target into a pseudo for use with the insv.
10184 * config/i386/predicates.md (const8_operand): New predicate.
10185 * config/i386/i386.md (extv, extzv, insv): Use the new
10186 const8_operand predicate where appropriate.
10188 2006-04-25 DJ Delorie <dj@redhat.com>
10190 * doc/install.texi (Specific): Clarify that this is not a list of
10191 supported hosts or targets.
10193 2006-04-25 Richard Sandiford <richard@codesourcery.com>
10195 PR rtl-optimization/26725
10196 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
10197 block's BB_DIRTY flag.
10199 2006-04-25 Geoffrey Keating <geoffk@apple.com>
10201 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
10204 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
10205 to print an integer.
10207 2006-04-25 David Edelsohn <edelsohn@gnu.org>
10209 * varasm.c (align_variable): New function.
10210 (get_block_for_decl): Apply align_variable to DECL before
10211 calculating section information.
10212 (assemble_variable): Split out alignment computation.
10214 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
10216 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
10219 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
10221 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
10222 MODE_PARTIAL_INT mode.
10223 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
10224 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
10226 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
10227 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
10229 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
10231 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
10233 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
10234 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
10235 MACFLAG_IH): Likewise.
10236 (movstricthi_1): Renamed from "*movstricthi".
10237 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
10238 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
10239 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
10240 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
10241 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
10242 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
10243 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
10244 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
10245 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
10246 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
10247 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
10248 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
10249 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
10250 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
10251 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
10253 * doc/rtl.texi (ss_ashift): Improve wording.
10255 2006-04-24 Geoffrey Keating <geoffk@apple.com>
10257 * dwarf2out.c (verify_marks_clear): New.
10258 (prune_unused_types): Call verify_marks_clear initially, not
10261 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
10263 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
10264 * doc/rtl.texi: Document them.
10265 * simplify-rtx.c (simplify_unary_operation,
10266 simplify_binary_operation_1): Don't abort when we see them.
10268 2006-04-24 Mark Mitchell <mark@codesourcery.com>
10271 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10272 * configure.ac: Completely disregard languages that are not
10274 * configure: Regenerated.
10276 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10277 Richard Guenther <rguenther@suse.de>
10279 PR tree-optimization/27236
10280 * tree-inline.c (copy_body_r): Make sure to copy
10281 TREE_THIS_VOLATILE flag.
10283 2006-04-24 Richard Guenther <rguenther@suse.de>
10285 PR middle-end/26869
10286 * tree-complex.c (update_parameter_components): Don't handle
10287 unused parameters which have no default def.
10289 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
10290 Richard Guenther <rguenther@suse.de>
10292 PR tree-optimization/27218
10293 * tree-inline.c (expand_call_inline): Strip useless type
10294 conversions for the return slot address.
10296 2006-04-24 Richard Guenther <rguenther@suse.de>
10298 * cfgloop.h (struct loops): Remove unused field array. Reorder
10300 (LOOP_PREFETCH): Remove.
10302 2006-04-24 Richard Guenther <rguenther@suse.de>
10304 PR tree-optimization/22525
10305 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
10306 variable, adjust types of generated expressions.
10308 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
10310 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
10311 (tree-vect-patterns.o): Likewise.
10312 (jump.o): Likewise.
10313 (cselib.o): Likewise.
10314 (loop-doloop.o): Likewise.
10315 (regclass.o): Likewise.
10316 (reload1.o): Likewise.
10317 (explow.o): Replace target.h with $(TARGET_H).
10318 (ipa-prop.o): Likewise.
10319 (ipa-cp.o): Likewise.
10320 (ipa-inline.o): Likewise.
10321 (reorg.o): Likewise.
10322 (reg-stack.o): Likewise.
10324 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10326 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
10328 2006-04-23 Mark Mitchell <mark@codesourcery.com>
10330 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
10332 * configure.ac: Completely disregard languages that are not
10334 * configure: Regenerated.
10337 * c-common.h (c_build_bitfield_integer_type): Declare.
10338 * c-decl.c (c_build_bitfield_integer_type): Move to ...
10339 * c-common.c (c_build_bitfield_integer_type): ... here.
10341 2006-04-23 Roger Sayle <roger@eyesopen.com>
10344 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
10345 a SImode SUBREG of a floating point register after no_new_pseudos.
10347 2006-04-23 Roger Sayle <roger@eyesopen.com>
10349 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
10350 identify potentially eliminable registers to additionally catch
10351 VIRTUAL_INCOMING_ARGS_REGNUM.
10352 (addsi3): Update the conditions on when to use addsi_small_int.
10354 2006-04-23 Roger Sayle <roger@eyesopen.com>
10357 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
10358 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
10359 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
10361 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
10363 * fold-const.c (range_predecessor): Use operand_equal_p
10364 as the predicate for equality.
10365 (range_successor): Likewise.
10367 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10370 * config/soft-fp/op-common.h: Fix a typo.
10372 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
10374 PR libmudflap/26864
10375 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
10376 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
10378 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
10380 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
10382 * doc/tm.texi: Fix a typo.
10384 2006-04-21 Geoffrey Keating <geoffk@apple.com>
10386 * dwarf2out.c (struct die_struct): Document that die_sib makes
10387 a circular linked list.
10388 (FOR_EACH_CHILD): New.
10389 (reverse_die_lists): Delete.
10390 (reverse_all_dies): Delete.
10391 (add_dwarf_attr): Correct documentation.
10392 (remove_child_with_prev): New.
10393 (remove_child_TAG): Update for change to die_struct, use
10394 remove_child_with_prev.
10395 (add_child_die): Update for change to die_struct.
10396 (splice_child_die): Use remove_child_with_prev and add_child_die.
10397 (print_die): Use FOR_EACH_CHILD.
10398 (die_checksum): Likewise.
10399 (assign_symbol_names): Likewise.
10400 (output_location_lists): Likewise.
10401 (build_abbrev_table): Likewise.
10402 (calc_die_sizes): Likewise.
10403 (mark_dies): Likewise.
10404 (unmark_dies): Likewise.
10405 (unmark_all_dies): Likewise.
10406 (output_die): Likewise.
10407 (prune_unused_types_mark): Likewise.
10408 (prune_unused_types_walk): Likewise.
10409 (same_die_p): Update for change to die_struct.
10410 (break_out_includes): Likewise.
10411 (prune_unused_types_prune): Likewise.
10412 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
10413 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
10414 it's already clear.
10415 (dwarf2out_finish): Don't call reverse_all_dies.
10417 2006-04-21 Eric Christopher <echristo@apple.com>
10419 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
10420 in comments and function names.
10422 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10425 * c-typeck.c (digest_init): Robustify.
10427 * c-typeck.c (pop_init_level): Simplify.
10429 2006-04-21 Steve Ellcey <sje@cup.hp.com>
10431 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
10433 2006-04-21 Paul Brook <paul@codesourcery.com>
10435 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
10436 hardware floating point.
10438 2006-04-21 David Edelsohn <edelsohn@gnu.org>
10440 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
10443 2006-04-21 Nick Clifton <nickc@redhat.com>
10445 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
10448 2006-04-21 Alan Modra <amodra@bigpond.net.au>
10451 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
10452 C++ lang type in traceback table for Objective-C++.
10454 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
10456 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
10458 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
10460 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
10463 * tree-mudflap.c (mudflap_finish_file): Skip function when there
10464 were errors. Remove check for erroneous objects.
10466 2006-04-20 Jeff Law <law@redhat.com>
10468 PR tree-optimization/26854
10469 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
10470 checking for zero or one use.
10471 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
10472 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
10473 * tree-ssa-reassoc.c (negate_value): Similarly.
10474 (reassociate_bb): Similarly.
10476 2006-04-20 Jakub Jelinek <jakub@redhat.com>
10478 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
10479 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
10480 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
10482 2006-04-20 Alan Modra <amodra@bigpond.net.au>
10484 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
10485 fp regs if the last fp arg doesn't fit in regs.
10487 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
10490 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
10491 that the last insn has the REG_INC note.
10493 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
10494 Nathan Sidwell <nathan@codesourcery.com>
10497 * stor-layout.c (update_alignment_for_field): Do not align
10499 (place_union_field): Place union field at the start of the union.
10500 (place_field): Move ERROR_MARK check later, and use the current
10501 allocation position to maintain monotonicity.
10503 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
10505 * dominance.c: Include timevar.h.
10506 (calculate_dominance_info): Use TV_DOMINANCE.
10507 * timevar.def (TV_DOMINANCE): New timevar.
10508 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
10510 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10512 PR rtl-optimization/14261
10513 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
10514 move would be an INSV insn.
10515 (noce_process_if_block): Don't optimize if the destination is a
10516 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
10518 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
10520 * config/s390/s390.md: Add comments with the instructions emitted
10521 by an insn pattern if macros are used.
10523 2006-04-19 Alan Modra <amodra@bigpond.net.au>
10525 PR rtl-optimization/26026
10526 * fold-const.c (fold_binary): Optimize div and mod where the divisor
10527 is a known power of two shifted left a variable amount.
10529 2006-04-18 Geoffrey Keating <geoffk@apple.com>
10531 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
10532 to hash table twice when the debug_str section has SECTION_MERGE.
10534 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
10536 * config/soft-fp: New directory. From glibc.
10537 * config/soft-fp/t-softfp: New.
10538 * config/soft-fp/README: New.
10539 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
10540 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
10541 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
10542 (LIBGCC_DEPS): Add $(SFP_MACHINE).
10543 * config.gcc: Use rs6000/t-fprules-fpbit or
10544 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
10546 * config/rs6000/sfp-machine.h: New. Based on glibc.
10547 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
10549 * config/rs6000/t-fprules: Remove fp-bit rules.
10550 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
10551 * config/rs6000/t-linux64: Likewise. Remove duplicates from
10552 LIB2FUNCS_EXTRA. Remove fp-bit rules.
10553 (softfp_wrap_start, softfp_wrap_end): New.
10555 2006-04-18 DJ Delorie <dj@redhat.com>
10557 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
10559 2006-04-18 Devang Patel <dpatel@apple.com>
10561 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
10563 2006-04-18 Nick Clifton <nickc@redhat.com>
10565 * config/sh/t-symbian: Add rule to build sh-c.o
10566 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
10567 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
10568 (sh_symbian_encode_section_info): Likewise.
10570 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
10572 * builtins.c (expand_builtin_strcmp): Cover label definition of
10573 do_libcall with HAVE_cmpstrnsi.
10575 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
10577 * function.c (temp_slots_at_level, max_slot_level): Use VEC
10579 * function.h (temp_slot_p): New.
10580 (function): Change the type of x_used_temp_slots to
10581 VEC(temp_slot_p,gc) *.
10583 2006-04-18 Nick Clifton <nickc@redhat.com>
10585 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
10586 flag_strength_reduce.
10588 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
10590 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10594 Partial revert of revision 112637
10595 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
10596 Dale Johannesen <dalej@apple.com>
10599 * regclass.c (struct reg_pref): Update documentation.
10600 (regclass): Set prefclass to NO_REGS if memory is the best option.
10601 (record_reg_classes): Cope with a prefclass set to NO_REGS.
10603 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
10605 PR tree-optimization/26821
10606 * tree-ssa-math-opts.c (get_constant_one): New.
10607 (insert_reciprocals): Use it.
10609 2006-04-17 Geoffrey Keating <geoffk@apple.com>
10611 * dwarf2out.c (free_AT): Delete.
10612 (remove_AT): Update string ref counts.
10613 (remove_child_TAG): Don't call free_die.
10614 (free_die): Delete.
10615 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
10616 or DW_TAG_GNU_EINCL.
10617 (prune_unused_types_walk_attribs): Reset string refcounts.
10618 (prune_unused_types_update_strings): New.
10619 (prune_unused_types_prune): Don't make unnecessary stores. Don't
10620 call free_die. Do call prune_unused_types_update_strings.
10621 (prune_unused_types): Empty debug_str_hash.
10623 2006-04-17 Roger Sayle <roger@eyesopen.com>
10625 * expr.c (expand_assignment): Optimize away no-op moves where the
10626 source and destination are equal and have no side-effects.
10628 2006-04-17 Richard Guenther <rguenther@suse.de>
10631 * reload.c (push_reload): Guard calls to get_secondary_mem
10632 for memory subregs.
10634 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
10636 * alias.c (reg_base_value, old_reg_base_value): Change the
10637 type to VEC(rtx,gc) *.
10638 (REG_BASE_VALUE, find_base_value, record_set,
10639 init_alias_analysis): Use VEC instead of VARRAY.
10641 * alias.c (alias_sets): Change the type to
10642 VEC(alias_set_entry,gc) *.
10643 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
10644 VEC instead of VARRAY.
10645 (last_alias_set): Remove.
10647 * cgraph.h (cgraph_edge_p): New.
10648 Update the prototype of cgraph_function_versioning.
10649 * cgraphunit.c (cgraph_copy_node_for_versioning,
10650 cgraph_function_versioning): Use VEC instead of VARRAY.
10651 * ipa-cp.c (ipcp_insert_stage): Likewise.
10653 2006-04-16 Roger Sayle <roger@eyesopen.com>
10656 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
10657 "A op B" or "A op C", we may need to convert A to the type of B and C.
10659 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
10661 * target.h (struct gcc_target): Add mode_rep_extended.
10662 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
10663 (init_num_sign_bit_copies_in_rep): Initialize it using
10665 (truncate_to_mode): Use it.
10666 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
10667 * targhooks.h (default_mode_rep_extended): Declare it.
10668 * targhooks.c (default_mode_rep_extended): Define it.
10669 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
10670 default_mode_rep_extended.
10671 (TARGET_INITIALIZER): Include it.
10672 * doc/tm.texi (Misc): Document it.
10673 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
10674 (mips_truncated_to_mode): New function.
10676 2006-04-16 Roger Sayle <roger@eyesopen.com>
10678 PR middle-end/25474
10679 * expr.c (compress_float_constant): Copy the narrow constant into
10680 a new pseudo before extending it to its final width.
10682 2006-04-16 Roger Sayle <roger@eyesopen.com>
10683 Andrew Pinski <pinskia@gcc.gnu.org>
10684 Dale Johannesen <dalej@apple.com>
10687 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
10688 special case code to implement V8HImode and V16QImode with SSE2.
10690 2006-04-15 Roger Sayle <roger@eyesopen.com>
10692 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
10693 trees are constructed with a suitable tree type.
10695 2006-04-15 Roger Sayle <roger@eyesopen.com>
10697 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
10698 (integer_onep): Likewise.
10699 (integer_all_onesp): Likewise.
10700 (integer_pow2p): Likewise.
10701 (integer_nonzerop): Likewise.
10702 (real_zerop): Likewise.
10703 (real_onep): Likewise.
10704 (real_twop): Likewise.
10705 (real_minus_onep): Likewise.
10706 (int_size_in_bytes): Likewise.
10707 (host_integerp): Likewise.
10709 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
10711 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
10712 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
10713 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
10715 * tree-ssa-structalias.h (alias_info): Remove num_references.
10717 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10719 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
10720 (output_bvb patterns): Likewise.
10721 * pa.c (output_bb): Use 'bb' insn for long branch case.
10722 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
10723 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
10724 1. Correct length operand for alternatives 1 and 2.
10725 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
10726 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
10728 2006-04-14 Roger Sayle <roger@eyesopen.com>
10730 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
10731 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
10732 were accidentally reverted by r112959.
10734 2006-04-15 Jakub Jelinek <jakub@redhat.com>
10736 PR middle-end/26823
10737 * except.h (eh_region_outermost): New prototype.
10738 * except.c (eh_region_outermost): New function.
10739 * tree-cfg.c (find_outermost_region_in_block): Use it.
10741 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10743 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
10745 * reload1.c (reg_equiv_memory_loc_varray): Rename to
10746 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
10747 (init_reload, reload): Use VEC instead of VARRAY.
10748 * reload.h: Update the prototype for
10749 reg_equiv_memory_loc_varray.
10751 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
10752 Eric Botcazou <ebotcazou@libertysurf.fr>
10754 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
10755 register save area.
10757 2005-04-13 Uros Bizjak <uros@kss-loka.si>
10759 PR middle-end/27134
10760 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
10761 to expand fallback builtin function call.
10763 2006-04-14 Alan Modra <amodra@bigpond.net.au>
10765 PR middle-end/27095
10766 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
10767 and emit libcall here in case the builtin fails.
10768 (expand_builtin_strcmp): Always emit the libcall here on failure.
10770 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
10772 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
10773 * flow.c (reg_n_info): Change the type to
10774 VEC(reg_info_p,heap) *.
10775 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
10777 * regs.h (reg_info_p): New.
10778 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
10779 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
10780 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
10783 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
10785 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
10787 * params.h (MAX_SCHED_READY_INSNS): New macro.
10788 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
10789 past MAX_SCHED_READY_INSNS during the first scheduling pass.
10790 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
10791 the ready list for 1 cycle during the first scheduling pass.
10792 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
10794 2006-04-13 Richard Henderson <rth@redhat.com>
10797 * gimple-low.c (lower_omp_directive): Remove dead code.
10798 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
10799 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
10800 * omp-low.c (struct omp_region): Move to tree-flow.h.
10801 (root_omp_region): Export.
10802 (omp_regions, lookup_omp_region): Remove.
10803 (determine_parallel_type): Update for struct omp_region changes.
10804 (dump_omp_region): Dump regions with block numbers.
10805 (new_omp_region): Take type and block instead of stmt; malloc
10807 (free_omp_region_1, free_omp_regions): New.
10808 (expand_parallel_call): Take entry_stmt as argument; update for
10809 changes to omp_region.
10810 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
10811 (remove_exit_barriers): New.
10812 (expand_omp_parallel): Update for struct omp_region changes.
10813 (expand_omp_synch): Likewise.
10814 (expand_omp): Likewise.
10815 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
10816 (expand_omp_for_static_chunk): Likewise.
10817 (expand_omp_for): Likewise.
10818 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
10819 (expand_omp_sections): Similarly, with GOMP_sections_end.
10820 (expand_omp_single): New.
10821 (build_omp_regions_1): Update for OMP_CONTINUE.
10822 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
10823 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
10824 OMP_SECTIONS_SECTIONS.
10825 (lower_omp_single_simple): Don't emit barrier here.
10826 (lower_omp_single_copy): Likewise.
10827 (lower_omp_single): Fix bindings, and lower to straightline now.
10828 (lower_omp_master, lower_omp_ordered): Likewise.
10829 (lower_omp_critical): Likewise.
10830 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
10831 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
10832 omp edges, free it afterward.
10833 (make_omp_sections_edges): Remove.
10834 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
10835 (move_stmt_r): Handle OMP_CONTINUE.
10836 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
10837 statement pointers to basic blocks. Add type member.
10838 (root_omp_region, new_omp_region, free_omp_regions): Declare.
10839 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
10840 * tree-inline.c (estimate_num_insns_1): Likewise.
10841 * tree-pretty-print.c (dump_generic_node): Likewise.
10842 * tree-ssa-operands.c (get_expr_operands): Likewise.
10843 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
10844 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
10845 (OMP_CONTINUE): New.
10846 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
10847 (OMP_SECTIONS_SECTIONS): Remove.
10848 (OMP_SECTION_LAST): New.
10849 (OMP_RETURN_NOWAIT): New.
10851 2006-04-13 Roger Sayle <roger@eyesopen.com>
10853 * fold-const.c (native_encode_vector, native_interpret_real):
10854 Correct obvious mistakes in the previous check-in.
10856 2006-04-13 Roger Sayle <roger@eyesopen.com>
10858 * fold-const.c (native_encode_expr): New function to encode
10859 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
10860 or VECTOR_CST into a specified buffer.
10861 (native_encode_int): New function.
10862 (native_encode_real): New function.
10863 (native_encode_complex): New function.
10864 (native_encode_vector): New function.
10865 (native_interpret_expr): Inverse of native_encode_expr to convert
10866 a target representation into an INTEGER_CST, REAL_CST etc...
10867 (native_interpret_int): New function.
10868 (native_interpret_real): New function.
10869 (native_interpret_complex): New function.
10870 (native_interpret_vector): New function.
10871 (fold_view_convert_expr): New function to constant fold/evaluate
10872 a VIEW_CONVERT_EXPR of a suitable constant expression.
10873 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
10874 Change call of build1 to fold_build1 when constructing a
10877 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
10878 Ulrich Weigand <uweigand@de.ibm.com>
10881 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
10884 2006-04-13 Alan Modra <amodra@bigpond.net.au>
10887 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
10888 optimize to lo_sum for DFmode if !TARGET_FPRS.
10890 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10892 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
10893 delete_alias_info, compute_flow_sensitive_aliasing,
10894 group_aliases): Use VEC instead of VARRAY.
10895 * tree-ssa-structalias.c (update_alias_info): Likewise.
10896 * tree-ssa-structalias.h (alias_info): Change the type of
10897 processed_ptrs to VEC(tree,heap) *.
10899 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
10902 * config/sh/lib1funcs.h: New file, broken out of:
10903 * config/sh/lib1funcs.asm.
10904 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
10906 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
10907 * config/sh/lib1funcs-Os-4-200.asm: New file.
10908 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
10909 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
10910 (EXTRA_MULTILIB_PARTS): Include it.
10911 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
10912 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
10913 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
10914 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
10917 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
10919 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
10920 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
10921 tpa_compact, root_var_init, type_var_init): Use VEC instead of
10923 * tree-ssa-live.h: Include vecprim.h.
10924 (tree_partition_associator_d): Change the type of
10925 first_partition to VEC(int,heap) *.
10926 (tpa_first_partition): Use VEC instead of VARRAY.
10928 * Makefile.in (GTFILES): Move functions.h after tree.h.
10929 * function.c (reset_block_changes, record_block_change,
10930 check_block_change, free_block_changes): Use VEC instead of
10932 * function.h (function): Change the type of
10933 ib_boundaries_block to VEC(tree,gc) *.
10934 * tree-inline.c (copy_cfg_body): Initialize
10935 ib_boundaries_block to NULL instead of (varray_type) 0.
10937 2006-04-12 Roger Sayle <roger@eyesopen.com>
10939 * expr.c (emit_group_store): Correct operand order in call to
10940 subreg_lowpart_offset. Always create paradoxical SUBREGs with
10941 a SUBREG_BYTE of zero.
10943 2006-04-12 Richard Guenther <rguenther@suse.de>
10945 * profile.c (compute_branch_probabilities): Remove code
10946 encapsulated in !ir_type (), which are remanents of the
10947 removed RTL profiling code.
10948 * rtl-profile.c: Remove.
10950 2006-04-12 Alan Modra <amodra@bigpond.net.au>
10952 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
10953 magic NULL_RTX comment.
10954 (function_arg): Store entire fp arg to mem if any part should go
10956 (rs6000_arg_partial_bytes): Adjust for above change.
10958 2006-04-11 Roger Sayle <roger@eyesopen.com>
10960 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
10961 if it hasn't been initialized by dwarf2out_init.
10963 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
10965 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
10966 symbolic constants in branch patterns.
10968 2006-04-11 Roger Sayle <roger@eyesopen.com>
10970 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
10972 2006-04-11 Richard Sandiford <richard@codesourcery.com>
10974 PR rtl-optimization/27073
10975 * gcse.c (try_replace_reg): Revert last change. Continue to search
10976 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
10979 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
10981 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
10982 aggregate types other than record and union types.
10983 (function_arg): Likewise.
10984 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
10986 (function_value): In 64-bit mode, return objects that require it
10989 2006-04-11 Roger Sayle <roger@eyesopen.com>
10991 * dwarf2out.c (premark_used_types): Remove problematic prototype.
10993 2006-04-11 Jakub Jelinek <jakub@redhat.com>
10995 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
10997 2006-04-03 Jeff Law <law@redhat.com>
11000 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
11001 alias information too.
11003 2006-04-10 Mike Frysinger <vapier@gentoo.org>
11005 * Makefile.in (gcc-cross): Add $(exeext) to target name.
11007 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
11010 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
11011 (premark_used_types_helper): New.
11012 (premark_used_types): New.
11013 (gen_subprogram_die): Call premark_used_types.
11014 (prune_unused_types_walk): Do not prune perennial dies.
11015 * function.c (used_types_insert): New.
11016 * function.h (struct function): Add used_types_hash field.
11017 (used_types_insert): Add prototype.
11018 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
11019 * c-parser.c (c_parser_cast_expression): Save casted types in used
11022 2006-04-11 Mark Mitchell <mark@codesourcery.com>
11025 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
11026 rs6000_explicit_options.float_gprs.
11028 2006-04-10 Roger Sayle <roger@eyesopen.com>
11030 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
11031 from ix86_expand_vector_init_low_nonzero. Take an additional
11032 one_var argument indicating which element is non-zero. Support
11033 one_var != 0 for V4SFmode and V4SImode by permuting the result.
11034 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
11035 with one_var instead of ix86_expand_vector_init_low_nonzero.
11037 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
11039 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
11040 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
11041 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
11042 build/genextract.o): Depend on vecprim.h.
11043 * cfglayout.c, df-problems.c, function.c, genextract.c,
11044 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
11045 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
11049 2006-04-10 Geoffrey Keating <geoffk@apple.com>
11051 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
11052 Declare VECs of this type.
11053 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
11054 (remove_children): Delete.
11055 (add_dwarf_attr): Use VEC routines.
11056 (add_AT_flag): Update for changes to add_dwarf_attr.
11057 (add_AT_int): Likewise.
11058 (add_AT_unsigned): Likewise.
11059 (add_AT_long_long): Likewise.
11060 (add_AT_vec): Likewise.
11061 (add_AT_string): Likewise.
11062 (add_AT_die_ref): Likewise.
11063 (add_AT_fde_ref): Likewise.
11064 (add_AT_loc): Likewise.
11065 (add_AT_loc_list): Likewise.
11066 (add_AT_addr): Likewise.
11067 (add_AT_lbl_id): Likewise.
11068 (add_AT_lineptr): Likewise.
11069 (add_AT_macptr): Likewise.
11070 (add_AT_offset): Likewise.
11071 (add_AT_range_list): Likewise.
11072 (get_AT): Use VEC_iterate.
11073 (remove_AT): Use VEC_ordered_remove.
11074 (free_die): Fold remove_children into here; have it use VEC_iterate.
11075 (print_die): Use VEC_iterate on attrs.
11076 (reverse_die_lists): Don't reverse attr lists.
11077 (die_checksum): Use VEC_iterate on attrs.
11078 (same_die_p): Likewise.
11079 (output_location_lists): Likewise.
11080 (build_abbrev_table): Likewise.
11081 (size_of_die): Likewise.
11082 (unmark_all_dies): Likewise.
11083 (output_abbrev_section): Likewise.
11084 (output_die): Likewise.
11085 (prune_unused_types_walk_attribs): Likewise.
11087 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
11089 * doc/install.texi (*-*-solaris2*): Point to the configure page.
11091 2006-04-10 Jakub Jelinek <jakub@redhat.com>
11094 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
11096 2006-04-09 Roger Sayle <roger@eyesopen.com>
11098 * expr.c (store_constructor): Don't bother clearing target if
11099 we're about to assign a vector to it using vec_init_optab.
11101 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
11103 * tree-ssa-alias.c (lhs_may_store_to): New function.
11104 (recalculate_used_alone): Handle LHS of calls.
11106 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11110 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
11111 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
11112 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
11113 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
11114 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
11115 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
11116 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
11117 stubs. Add ".align 8" directives before all ".dword" directives.
11118 (GTHREAD_USE_WEAK): Revise comment.
11119 (TARGET_ATTRIBUTE_WEAK): Define.
11120 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
11121 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
11122 * stublib.c: New file.
11127 * pa.md (cbranch patterns): Revise arguments used in calls to
11128 output_cbranch, output_bb and output_bvd. Add long branch length
11130 (fbranch patterns): Handle long branches.
11131 (jump): Revise length check. Revise arguments for output_lbranch call.
11132 Add long branch length attributes.
11133 (decrement_and_branch_until_zero): Add long branch length attributes.
11134 (output_movb, output_parallel_addb and output_parallel_movb patterns):
11135 Likewise. Revise arguments for output_parallel_addb and
11136 output_parallel_movb calls.
11137 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
11138 output_parallel_movb and output_parallel_addb): Update prototypes.
11139 * pa.c (output_cbranch): Revise arguments. Correct handling of
11140 nullification in long branches.
11141 (output_lbranch): Add new argument to control extraction of delay
11143 (output_bb): Handle long branches.
11144 (output_bvb, output_dbra, output_movb, output_parallel_movb,
11145 output_parallel_addb): Likewise.
11147 2006-04-09 Richard Sandiford <richard@codesourcery.com>
11149 PR rtl-optimization/27073
11150 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
11153 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
11155 * tree.h (tree_memory_tag): Add old_used_alone.
11156 (SMT_OLD_USED_ALONE): New macro.
11157 * tree-ssa-alias.c (recalculate_used_alone): Stop
11158 marking things for renaming unnecessarily.
11160 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
11162 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
11163 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
11164 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
11165 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
11166 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
11167 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
11168 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
11169 spelling convensions.
11170 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
11171 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
11172 typos. Follow spelling conventions.
11174 2006-04-07 DJ Delorie <dj@redhat.com>
11176 * config/m32c/m32c.c (m32c_function_arg): Structures are always
11177 passed on the stack.
11178 (m32c_init_cumulative_args): When a function returns a structure,
11179 always pass the pointer to that return area on the stack.
11180 (m32c_function_arg_advance): Don't increment the parameter number
11181 if we're processing the returned structure pointer.
11182 (pushm_info): Reverse order of registers.
11184 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
11186 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
11187 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
11188 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
11189 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
11190 build_int_cst_type.
11191 * tree-chrec.c (chrec_fold_multiply_poly_poly,
11192 chrec_fold_multiply): Same.
11193 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
11194 force_expr_to_var_cost): Same.
11195 * tree-mudflap.c (mf_xform_derefs_1): Same.
11196 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
11198 2006-04-07 David Edelsohn <edelsohn@gnu.org>
11200 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
11201 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
11204 2006-04-07 Jan Hubicka <jh@suse.cz>
11206 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
11208 2006-04-07 Richard Guenther <rguenther@suse.de>
11210 PR tree-optimization/26135
11211 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
11212 loads for store copy-prop.
11213 (copy_prop_visit_stmt): Likewise.
11215 2006-04-05 Robert Millan <robertmh@gnu.org>
11217 * config/i386/linux.h: Add a comment to mark macros that are
11218 being overriden in config/k*bsd-gnu.h.
11219 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
11221 * config/knetbsd-gnu.h: Ditto.
11223 2006-04-06 Jan Hubicka <jh@suse.cz>
11227 * coverage.c (coverage_checksum_string): Reorganize loop to not read
11230 2006-04-06 Mike Stump <mrs@apple.com>
11232 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
11233 for HAVE_nonlocal_goto to be consistent.
11234 (expand_builtin_nonlocal_goto): Likewise.
11235 (expand_builtin_strcmp): Use #ifdef instead of #if
11236 for HAVE_cmpstrnsi to be consistent.
11238 2006-04-05 DJ Delorie <dj@redhat.com>
11240 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
11243 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
11245 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
11246 got-relative addressing for anything but SImode.
11248 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
11249 even if the calling function doesn't modify them.
11251 2006-04-05 Richard Guenther <rguenther@suse.de>
11253 PR tree-optimization/26919
11254 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
11255 to cgraph_estimate_size_after_inlining.
11257 2006-04-05 Alan Modra <amodra@bigpond.net.au>
11259 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
11261 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
11263 PR tree-optimization/26996
11264 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
11265 VECTOR_TYPE variables.
11267 2006-04-05 Richard Guenther <rguenther@suse.de>
11269 PR tree-optimization/26763
11270 * fold-const.c (fold_comparison): Move folding of
11271 PTR + CST CMP PTR + CST ...
11272 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
11274 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
11276 * doc/install.texi (Prerequisites): Refine some wording on
11277 bootstrapping and ksh.
11278 Move the version numbers of DejaGnu here from the testing section
11279 and fix casing of names.
11280 Fix markup and clarify wording for autogen requirements.
11281 Refer to GCJ instead of just java.
11282 Refer to SVN instead of CVS.
11283 Describe diffutils as useful instead of necessary.
11284 (Downloading the source): Refer to SVN instead of CVS.
11285 Adjust a link to our web site accordingly.
11286 (Configuration): Fix casing of Bison.
11287 (Building): Refer to SVN instead of CVS.
11288 Fix a sentence on the use of Bison and remove duplicate (and
11289 incorrect) version number of Bison requirement.
11290 Remove one redundant list of packages needed for building.
11291 (Specific): Avoid reference to CVS.
11293 2006-04-04 Eric Christopher <echristo@apple.com>
11295 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
11296 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
11297 (rs6000_handle_struct_attribute): New.
11298 (rs6000_ms_bitfield_layout_p): Ditto.
11300 2006-04-04 Geoffrey Keating <geoffk@apple.com>
11302 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
11303 NULL for dso parameter to atexit_common.
11305 2006-04-04 Eric Christopher <echristo@apple.com>
11307 * config/i386/i386.c (machopic_output_stub): Output \t
11308 between instructions and operands.
11310 2006-04-04 David Edelsohn <edelsohn@gnu.org>
11312 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
11313 satisfies_constraint_[IL] to explicit tests on value.
11315 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
11317 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11318 set_nb_iterations_in_loop): Use build_int_cst instead of
11319 build_int_cst_type.
11320 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
11321 build_int_cst instead of convert.
11323 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
11325 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
11326 new value 2 for incoming.
11327 * function.c (expand_function_start): Call struct_value_rtx
11328 with incoming as 2.
11329 * config/sparc/sparc.md: Comment updated_return.
11330 * config/sparc/sparc.opt: Add -mstd-struct-return option.
11331 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
11332 struct return if sparc_std_struct_return and incoming is 2.
11333 (print_operand): Do not adjust return if
11334 sparc_std_struct_return.
11336 2006-04-04 Roger Sayle <roger@eyesopen.com>
11338 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
11339 convert in the middle-end.
11340 * expr.c (store_expr, store_constructor, get_inner_reference,
11341 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
11343 * tree.c (build_range_type): Likewise.
11345 2006-04-04 Tom Tromey <tromey@redhat.com>
11347 * doc/install.texi (Prerequisites): Mention jar.
11349 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
11351 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
11354 2006-04-04 Matthias Klose <doko@debian.org>
11356 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
11360 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
11363 2006-04-03 Geoffrey Keating <geoffk@apple.com>
11365 * doc/extend.texi (Function Attributes): Rewrite visibility
11366 attribute documentation.
11367 * doc/invoke.texi (C++ Dialect Options): Rewrite
11368 -fvisibility-inlines-hidden documentation to describe something
11369 entirely different, although in practise compatible.
11370 (Code Gen Options): Warn about system headers in -fvisibility=
11373 * doc/extend.texi (Other Builtins): Document that
11374 __builtin_nan is a compile-time constant only when its argument
11377 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
11379 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
11380 trying to remove TRUNCATE check if all bits outside the new mode
11381 are identical to the sign bit.
11383 2006-04-03 Jeff Law <law@redhat.com>
11385 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
11386 and operand scanning in some common cases.
11388 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
11389 Dale Johannesen <dalej@apple.com>
11392 * regclass.c (struct reg_pref): Update documentation.
11393 (regclass): Set prefclass to NO_REGS if memory is the best option.
11394 (record_reg_classes): Cope with a prefclass set to NO_REGS.
11395 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
11396 into account. For non-registers, equate an empty preferred
11397 reload class to a `!' in the constraint; move the if clause to
11398 do so after those that reject the insn.
11399 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
11401 (find_dummy_reload): Likewise.
11402 * doc/tm.texi (Register Classes): Document what it means
11403 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
11404 * config/i386/i386.c (ix86_preferred_reload_class): Force
11405 using SSE registers (and return NO_REGS for floating-point
11406 constants) if math is done with SSE.
11407 (ix86_preferred_output_reload_class): New.
11408 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
11409 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
11410 * config/i386/i386.md: Remove # register preferences.
11412 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11415 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
11416 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
11417 the type of nb_iter.
11418 (instantiate_parameters_1): Convert the operands before calling
11419 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
11420 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
11422 2006-04-02 Roger Sayle <roger@eyesopen.com>
11424 * builtins.c (dummy_object): Use build_int_cst instead of convert.
11425 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
11426 instead of convert.
11427 * dojump.c (do_jump): Likewise.
11428 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
11429 * gimplify.c (gimple_boolify, gimplify_init_constructor,
11430 gimplify_boolean_expr): Likewise.
11431 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
11432 * varasm.c (array_size_for_constructor): Likewise.
11433 * tree-object-size.c (compute_object_offset): Likewise.
11435 2006-04-02 Roger Sayle <roger@eyesopen.com>
11437 PR middle-end/26977
11438 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
11439 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
11441 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11443 PR tree-optimization/26939
11444 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
11446 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11448 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
11449 at_stmt. Convert the type of operands before calling
11450 build_polynomial_chrec.
11451 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
11452 add_to_evolution_1.
11453 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
11454 (instantiate_parameters_1): Convert the type of operands before calling
11455 build_polynomial_chrec.
11456 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
11457 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
11458 reset_evolution_in_loop): Insert asserts to check the types of the
11460 (chrec_type): Moved...
11461 (eq_evolutions_p): Use operand_equal_p.
11462 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
11463 the types of the operands.
11464 (chrec_type): ...here.
11465 * tree-data-ref.c (create_data_ref): Convert the operands before
11466 calling chrec_replace_initial_condition.
11467 (same_access_functions, analyze_subscript_affine_affine,
11468 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
11469 (compute_subscript_distance, analyze_ziv_subscript,
11470 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
11471 analyze_miv_subscript): Convert the operands before calling
11472 chrec_fold_minus or chrec_fold_plus.
11474 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
11476 * tree-data-ref.c (compute_all_dependences): Use a pointer to
11477 the dependence_relations vector.
11478 (compute_data_dependences_for_loop): Adjust call to
11479 compute_all_dependences.
11481 2006-04-01 Roger Sayle <roger@eyesopen.com>
11482 Richard Henderson <rth@redhat.com>
11484 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
11485 gimple_boolify on the condition before calling gimplify_expr.
11487 2006-03-31 Bob Wilson <bob.wilson@acm.org>
11489 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
11490 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
11491 the frame size. Update to use the new macros.
11492 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
11493 * config/xtensa/ieee754-df.S: Likewise.
11495 2006-03-31 Richard Henderson <rth@redhat.com>
11497 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
11498 (make_edges): ... here. Control fallthru creation with a local
11499 variable. Do not play with fake edges.
11500 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
11501 (make_goto_expr_edges): Don't play with fake edges. Make for_call
11504 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
11506 * dwarf2.h (DW64_CIE_ID): Define.
11507 * dwarf2out.c (DWARF_CIE_ID): Define.
11508 (output_call_frame_info): Output 0xffffffff before standard 8-byte
11509 length header. Use DWARF_CIE_ID.
11510 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
11511 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
11513 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
11515 * config/sh/linux-atomic.asm: New file.
11516 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
11518 2006-03-31 DJ Delorie <dj@redhat.com>
11520 * config/m32c/cond.md: Set condition flags properly throughout.
11521 * config/m32c/minmax.md: Likewise.
11522 * config/m32c/prologue.md: Likewise.
11523 * config/m32c/bitops.md: Likewise.
11524 * config/m32c/muldiv.md: Likewise.
11525 * config/m32c/mov.md: Likewise.
11526 * config/m32c/addsub.md: Likewise.
11527 * config/m32c/m32c.md: Likewise.
11528 * config/m32c/jump.md: Likewise.
11529 * config/m32c/shift.md: Likewise.
11531 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
11532 conditionally output the pattern for this.
11533 * config/m32c/m32c.c (flags_needed_for_conditional): New.
11534 (m32c_compare_redundant): New.
11535 (m32c_output_compare): New.
11536 * config/m32c/m32c-protos.h (m32c_output_compare): New.
11538 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
11539 dest, not src. Allow other 4-byte modes.
11541 2006-03-30 Denis Chertykov <denisc@overta.ru>
11543 * doc/md.texi: Refer to avr/constraints.md instead of
11546 2006-03-30 Roger Sayle <roger@eyesopen.com>
11548 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
11549 signed vs. unsigned comparison failures on some hosts.
11551 2006-03-31 Alan Modra <amodra@bigpond.net.au>
11554 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
11555 change to FLOAT_REGS.
11557 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
11558 (rs6000_override_options): Use it.
11559 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
11560 only for -mabi=spe/no-spe and -mabi=altivec.
11562 2006-03-30 Geoffrey Keating <geoffk@apple.com>
11564 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
11567 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
11569 * Makefile.in: Rename docdir to gcc_docdir.
11571 2006-03-30 Roger Sayle <roger@eyesopen.com>
11574 * expr.c (emit_group_store): Optimize group stores into a pseudo
11575 register by using a paradoxical subreg to initialize the destination
11576 if the first or last member of the group specifies a "low part".
11578 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11581 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
11582 * target.h (struct gcc_target.speculate_insn): Change type of the
11583 second parameter to 'int'.
11584 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
11585 the second operand of the DEPS_LIST.
11586 (copy_DEPS_LIST_list): Update reference to the second operand of the
11588 * rtl.h (alloc_DEPS_LIST): Update signature.
11589 * sched-int.h (ds_t): Change typedef to 'int'.
11590 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11592 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11594 * haifa-sched.c (try_ready): Change condition to restore
11595 non-speculative pattern of the instruction.
11596 (process_insn_depend_be_in_spec): Code to keep probability of the
11597 speculative dependence non-decreasing.
11599 2006-03-30 Jie Zhang <jie.zhang@analog.com>
11601 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
11602 (single_move_for_movmem): ... this. Also change all uses.
11603 (bfin_expand_strmov): Renamed to...
11604 (bfin_expand_movmem): ... this. Also change all uses.
11605 * config/bfin/bfin.md (movstrsi): Renamed to...
11606 (movstrsi): ...this.
11608 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
11610 PR tree-optimization/26830
11612 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
11613 (copy_prop_visit_stmt): Remove write-only variable ann.
11614 (init_copy_prop): Check variable loop depth here. Do not simulate
11615 memory-tag and virtual operand PHIs except for store copy prop.
11617 2006-03-30 Richard Guenther <rguenther@suse.de>
11619 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
11620 variants with double arguments.
11622 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11624 * genpreds.c (write_tm_constrs_h): Delete variable p.
11625 * genconditions.c (write_header): Add tm-constrs.h to included
11627 * genpeep.c (main): Add toplev.h to included headers.
11628 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
11629 (build/genpeep.o): Add toplev.h dependency.
11630 * config/rs6000/constraints.md: Add "W" constraint.
11632 2006-03-29 Roger Sayle <roger@eyesopen.com>
11634 * stor-layout.c (mode_for_size_tree): Remove restiction on type
11635 sizes by correctly testing whether the size fits a host integer.
11636 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
11637 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
11638 SImode range for the default sizetype and bitsizetype.
11640 2006-03-29 Roger Sayle <roger@eyesopen.com>
11642 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
11643 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
11644 quickly if the argument is already of the correct type.
11645 Call fold_build1 instead of build1. Tidy up blank lines.
11647 2006-03-29 David Edelsohn <edelsohn@gnu.org>
11649 * genemit.c (main): Add tm-constrs.h to included headers.
11650 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
11651 * genpeep.c (main): Add tm-constrs.h to included headers.
11652 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
11653 (write_tm_constrs_h): this and write complete file.
11654 (write_tm_preds_h): Do not emit satisfies_constraint fns.
11655 (write_insn_preds_c): Add tm-constrs.h to included headers.
11656 (gen_constrs): New variable.
11657 (parse_option): Parse "-c".
11658 (main): Invoke write_tm_constrs_h.
11659 * genrecog.c (write_header): Add tm-constrs.h to included headers.
11660 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
11661 (object_out_file): Add tm-constrs.h dependency.
11662 (insn-emit.o): Same.
11663 (insn-output.o): Same.
11664 (insn-peep.o): Same.
11665 (insn-preds.o): Same.
11666 (insn-recog.o): Same.
11667 (tm-constsr.h): New target.
11668 (s-constrs-h): New target.
11670 * config/rs6000/constraints.md: New file.
11671 * config/rs6000/rs6000.c: Include tm-constrs.h.
11672 (num_insn_constant_wide): Convert to satisfies_constraint.
11673 (rs6000_rtx_costs): Convert to satisfies_constraint.
11674 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
11675 (CONST_OK_FOR_LETTER_P): Delete.
11676 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
11677 (EXTRA_CONSTRAINT): Delete.
11678 (EXTRA_MEMORY_CONSTRAINT): Delete.
11679 (EXTRA_ADDRESS_CONSTRAINT): Delete.
11680 * config/rs6000/predicates.md: Convert to satisfies_constraint.
11681 * config/rs6000/rs6000.md: Include constraints.md. Convert to
11682 satisfies_constraint.
11684 * config/i386/i386.c: Include tm-constrs.h.
11686 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11688 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
11689 * tree-data-ref.c (find_data_references_in_loop,
11690 compute_data_dependences_for_loop): Use pointers to VEC.
11691 (analyze_all_data_dependences): Adjust calls.
11692 * tree-data-ref.h (find_data_references_in_loop,
11693 compute_data_dependences_for_loop): Adjust declarations.
11694 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
11695 compute_data_dependences_for_loop.
11697 2006-03-29 Paul Brook <paul@codesourcery.com>
11699 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
11700 (movdf_vfp): Ditto.
11702 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
11704 PR tree-optimization/26859
11705 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
11707 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
11708 for the step after fold_convert.
11710 2006-03-29 Paul Brook <paul@codesourcery.com>
11712 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
11713 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
11715 2006-03-29 Paul Brook <paul@codesourcery.com>
11717 PR middle-end/23623
11718 * targhooks.c (default_narrow_bitfield): New fuction.
11719 * targhooks.h (default_narrow_bitfield): add prototype.
11720 * target.h (gcc_target): Add narrow_volatile_bitfield.
11721 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11722 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
11723 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
11724 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
11726 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
11728 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
11730 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
11731 (NR_C_MODES): Add TDmode, DDmode and SDmode.
11732 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
11733 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
11734 (s390_function_arg_float): Allow SDmode and DDmode values to be
11735 passed in floating point registers.
11736 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
11737 check with SCALAR_FLOAT_MODE_P.
11738 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
11740 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11742 PR tree-optimization/25985
11743 * tree-ssa-loop-niter.c (number_of_iterations_le,
11744 number_of_iterations_ne): Make comments more precise.
11745 (number_of_iterations_cond): Add only_exit argument. Use the
11746 fact that signed variables do not overflow only when only_exit
11748 (loop_only_exit_p): New.
11749 (number_of_iterations_exit): Pass result of loop_only_exit_p to
11750 number_of_iterations_cond.
11752 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
11754 PR tree-optimization/26643
11755 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
11758 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
11760 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
11761 (divsi3_i4_int): Likewise.
11763 2006-03-28 Roger Sayle <roger@eyesopen.com>
11765 * expr.c (emit_group_store): Only create a new pseudo reg if the
11766 quantity it needs to hold isn't already a suitable pseudo.
11768 2006-03-28 Jeff Law <law@redhat.com>
11770 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
11771 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
11773 2006-03-28 Roger Sayle <roger@eyesopen.com>
11775 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
11776 the equivalent ~X & Y, and the symmetry related transformations.
11777 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
11778 ~X & Y, and symmetry related transforms.
11780 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11782 Revert my 2006-03-27 patches.
11784 2006-03-28 Roger Sayle <roger@eyesopen.com>
11786 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
11787 ~(T1)X, when T1 and T2 are integer types of the same precision
11788 and (T2)X isn't an extension.
11790 2006-03-28 Jeff Law <law@redhat.com>
11792 PR tree-optimization/26796
11793 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
11794 need EH edge cleanups rather than purging them immediately.
11795 (eliminate_degenerate_phis): Handle queued EH cleanups.
11797 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
11799 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
11802 2006-03-27 Roger Sayle <roger@eyesopen.com>
11804 PR middle-end/22524
11805 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
11806 cast BIT_NOT_EXPR operand to the correct type.
11808 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
11810 * tree-loop-linear.c: Don't include varray.h.
11811 (gather_interchange_stats, try_interchange_loops,
11812 linear_transform_loops): Use VEC instead of VARRAY.
11813 * lambda-mat.c: Don't include varray.h.
11814 * tree-chrec.c: Same.
11815 * lambda-trans.c: Same.
11816 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
11817 VEC instead of VARRAY.
11818 * tree-vectorizer.h: Idem.
11819 * tree-data-ref.c (dump_data_references,
11820 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
11821 initialize_data_dependence_relation, finalize_ddr_dependent,
11822 compute_all_dependences, find_data_references_in_loop,
11823 compute_data_dependences_for_loop, analyze_all_data_dependences,
11824 free_dependence_relation, free_dependence_relations,
11825 free_data_refs): Idem.
11826 * tree-data-ref.h (data_reference_p, subscript_p): New.
11827 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
11828 VEC instead of VARRAY.
11829 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
11830 (find_data_references_in_loop, compute_data_dependences_for_loop,
11831 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
11832 dump_data_dependence_relations, free_dependence_relations,
11833 free_data_refs): Adjust declaration.
11834 (lambda_transform_legal_p): Move declaration here...
11835 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
11836 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
11837 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
11838 vect_analyze_data_refs): Use VEC instead of VARRAY.
11839 * lambda.h (lambda_transform_legal_p): ...from here.
11840 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
11841 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
11842 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
11843 tree-chrec.o): Don't depend on VARRAY_H.
11845 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11847 * rtl.def (Copyright): Update date.
11848 (DEPS_LIST): Change type of the second operand to 'int'.
11849 * target.h (Copyright): Update date.
11850 (struct gcc_target.speculate_insn): Change type of the second parameter
11852 * lists.c (Copyright): Update date.
11853 (alloc_DEPS_LIST): Change signature. Update reference to the second
11854 operand of the DEPS_LIST.
11855 (copy_DEPS_LIST_list): Update reference to the second operand of the
11857 * rtl.h (Copyright): Update date.
11858 (alloc_DEPS_LIST): Update signature.
11859 * sched-int.h (Copyright): Update date.
11860 (ds_t): Change typedef to 'int'.
11861 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
11863 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
11865 * haifa-sched.c (Copyright): Update date.
11866 (try_ready): Change condition to restore non-speculative pattern
11867 of the instruction.
11868 (process_insn_depend_be_in_spec): Code to keep probability of the
11869 speculative dependence non-decreasing.
11871 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
11873 * regrename.c (replace_oldest_value_addr): Initialize a variable to
11874 shut up the compiler.
11876 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
11878 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
11879 to use lib prefix for target.
11880 ($(T)libic_invalidate_array_4-200.a): Likewise.
11881 ($(T)libic_invalidate_array_4a.a): Likewise.
11883 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
11884 J"orn Rennecke <joern.rennecke@st.com>
11886 * superh.opt: New file.
11887 * sh.c (boardtype, osruntime): Remove.
11888 * superh.h (SUBTARGET_OPTIONS): Remove.
11889 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
11891 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
11892 arguments with ^ and/or [].
11894 * config.gcc (sh-*-*): Add quoting to account for quirk of
11896 Replace == with = in enable_incomplete_targets test.
11898 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
11899 with MASK_LITTLE_ENDIAN.
11901 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
11902 * config/sh/sh.opt: Added to some comments.
11903 * config/sh/superh.h: Removed some chaff.
11905 * config/sh/sh.opt: Add m4-[1234]00* options.
11906 * config/sh/sh.c (sh_handle_option): Likewise.
11907 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
11908 (ic_invalidate_array_4-100.o): New rule.
11909 ($(T)libic_invalidate_array_4-100.a): Likewise.
11910 (ic_invalidate_array_4-200.o): Likewise.
11911 ($(T)libic_invalidate_array_4-200.a): Likewise.
11912 (ic_invalidate_array_4a.o): Likewise.
11913 ($(T)libic_invalidate_array_4a.a): Likewise.
11914 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
11915 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
11917 * config/sh/crt1.asm: Merged in profiling code.
11918 * config/sh/superh.h (STARTFILE_SPEC): Override.
11919 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
11920 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
11921 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
11923 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
11924 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
11925 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
11927 * sh.opt (mpretend-cmove): New option.
11928 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
11929 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
11930 (movsicc): Add TARGET_PRETEND_CMOVE code.
11932 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
11934 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
11935 s390_class_max_nregs): New function prototypes.
11936 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
11937 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
11938 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
11939 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
11941 2006-03-26 Geoffrey Keating <geoffk@apple.com>
11943 * dwarf2out.c (add_location_or_const_value_attribute): Call
11944 tree_add_const_value_attribute if nothing else works.
11945 (reference_to_unused): New.
11946 (rtl_for_decl_init): Use reference_to_unused to decide whether
11947 to output an initializer.
11949 2006-03-27 Alan Modra <amodra@bigpond.net.au>
11952 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
11953 peephole removing spe frob_di_df_2.
11955 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
11957 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
11958 (subscript_dependence_tester_1): Declared.
11959 (print_dir_vectors, print_dist_vectors): New.
11960 (debug_data_dependence_relation): New.
11961 (dump_data_dependence_relation): Print more details.
11962 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
11963 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
11964 (save_dist_v, save_dir_v, add_outer_distances,
11965 build_classic_dist_vector_1): New.
11966 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
11967 Don't test for lambda_vector_lexico_pos.
11968 (same_access_functions, add_multivariate_self_dist,
11969 add_other_self_distances, dir_from_dist): New.
11970 (build_classic_dir_vector): Replace implementation almost identical to
11971 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
11973 (subscript_dependence_tester_1): New.
11974 (subscript_dependence_tester): Handle the lexicographically negative
11975 distance vectors by recomputing the dependence relation.
11976 (compute_affine_dependence): Remove parameter loop_nest_depth.
11977 (compute_self_dependence): Don't call compute_subscript_distance.
11978 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
11979 Add a parameter for the loop_nest.
11980 (find_loop_nest_1, find_loop_nest): New.
11981 (compute_data_dependences_for_loop): Compute the loop nest, and give
11982 up if the nest is not well formed.
11983 * tree-data-ref.h (loop_p): New.
11984 (struct data_dependence_relation): Replace size_vect field with
11985 loop_nest, a vec of loops.
11986 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
11987 (DDR_LOOP_NEST): New.
11988 (print_dir_vectors, print_dist_vectors,
11989 debug_data_dependence_relation): Declared.
11990 (index_in_loop_nest): New.
11991 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
11992 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
11995 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
11997 * simplify-rtx.c (simplify_relational_operation): Call
11998 simplify_relational_operation_1 even if mode is VOIDmode.
12000 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
12002 PR tree-optimization/26804
12003 * tree.h (DECL_CALL_CLOBBERED): New macro.
12004 (tree_decl_common): Add call_clobbered_flag.
12005 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
12006 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
12007 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
12008 (mark_non_addressable): Ditto.
12009 * tree-ssa.c (verify_call_clobbered): New function.
12010 (verify_alias_info): Use it.
12011 * tree-pass.h (pass_reset_cc_flags): New prototype.
12012 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
12013 (reset_cc_flags): New function.
12014 * passes.c (init_optimization_passes): Call reset_cc_flags after
12015 initializing referenced_vars.
12017 2006-03-25 Uros Bizjak <uros@kss-loka.si>
12018 Roger Sayle <roger@eyesopen.com>
12020 PR middle-end/26717
12021 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
12022 to 1.0 for non-real operands. Implement A / A optimization for
12025 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
12027 * config/i386/i386.c (size_cost): Correct the comment for
12028 cost of storing fp registers.
12029 (i386_cost): Likewise.
12030 (i486_cost): Likewise.
12031 (pentium_cost): Likewise.
12032 (pentiumpro_cost): Likewise.
12033 (k6_cost): Likewise.
12034 (athlon_cost): Likewise.
12035 (k8_cost): Likewise.
12036 (pentium4_cost): Likewise.
12037 (nocona_cost): Likewise.
12038 (generic64_cost): Likewise.
12039 (generic32_cost): Likewise.
12041 2006-03-24 Denis Chertykov <denisc@overta.ru>
12043 * config/avr/avr-protos.h (extra_constraint): Delete.
12044 (extra_constraint_Q): New declaration.
12045 * config/avr/constraints.md: New file.
12046 * config/avr/avr.md: Include it.
12047 (REG_X, REG_Y, REG_Z, REG_W): New constants.
12048 (TMP_REGNO, ZERO_REGNO): Likewise.
12049 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
12050 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
12051 (extra_constraint): Delete.
12052 (extra_constraint_Q): Test for memory constraint 'Q'.
12053 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
12054 (REG_CLASS_FROM_LETTER): Delete.
12055 (CONST_OK_FOR_LETTER_P): Delete.
12056 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
12057 (EXTRA_CONSTRAINT): Delete.
12058 (TMP_REGNO): Delete.
12059 (ZERO_REGNO): Delete.
12061 2006-03-24 Jeff Law <law@redhat.com>
12063 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
12064 directly. Call mark_new_vars_to_rename slightly earlier.
12066 2006-03-24 Geoffrey Keating <geoffk@apple.com>
12068 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
12069 (is_cxx): Likewise.
12070 (gen_compile_unit_die): Use new language types for Objective-C and
12072 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
12073 DW_LANG_C_plus_plus.
12076 * config/t-darwin (crt3.o): Work around bug 26840.
12077 * config/darwin-crt3.c: Rewrite.
12078 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
12080 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
12082 * doc/invoke.texi: Document -femit-class-debug-always
12083 * common.opt: Add -femit-class-debug-always.
12085 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
12087 * config/s390/s390.c (s390_decompose_address): Allow SImode for
12088 index and base register.
12089 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
12090 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
12091 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
12092 REGNO_OK_FOR_INDEX_P.
12093 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
12095 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
12096 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
12097 REG_OK_FOR_BASE_P): Definitions removed.
12099 2006-03-24 Jakub Jelinek <jakub@redhat.com>
12101 PR middle-end/26611
12102 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
12103 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
12104 set yet or weren't marked as local yet.
12106 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
12108 * regrename.c (scan_rtx_address): Initialize a variable to shut up
12111 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
12113 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
12114 (rs6000_legitimate_small_data_p): Delete.
12115 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
12116 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
12117 and make static. Add forward declaration. Update uses.
12118 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
12119 of offsettable_memref_p.
12120 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
12121 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
12123 2006-03-24 Jeff Law <law@redhat.com>
12125 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
12126 around bug in immediate-use iterator.
12128 2006-03-24 Alan Modra <amodra@bigpond.net.au>
12131 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
12132 or __LITTLE_ENDIAN__.
12134 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
12136 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
12137 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
12138 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
12139 * config/sh/sh.opt (mdiv=): Amend description.
12140 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
12141 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
12142 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
12143 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
12144 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
12145 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
12146 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
12147 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
12148 TARGET_DIVIDE_CALL_FP.
12150 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12152 * haifa-sched.c (choose_ready): Fix type of the local variable.
12153 Move local variables. Add comment.
12154 (check_reg_live): Change signature. Make callable from debugger.
12155 * sched-int.h (check_reg_live): Update signature.
12156 * sched-ebb.c (check_reg_live): Update parameters.
12157 * sched-rgn.c (check_reg_live): Ditto.
12158 (region_head_or_leaf_p): Check pointer before dereferencing.
12159 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
12160 before reload on optimization levels below 1.
12162 2006-03-23 Richard Henderson <rth@redhat.com>
12164 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
12168 * config/alpha/predicates.md (local_symbolic_operand): Reject
12171 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
12174 * tree-ssa-pre.c (create_value_expr_from): Don't reject
12175 expressions which have overflowed constants.
12177 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12179 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
12181 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
12183 * cfgloopmanip.c (create_loop_notes): Removed.
12184 * final.c (final_scan_insn): Do not handle loop notes.
12185 * jump.c (squeeze_notes): Ditto.
12186 * cfglayout.c (skip_insns_after_block,
12187 duplicate_insn_chain): Ditto.
12188 * cfgcleanup.c (rest_of_handle_jump2): Do not call
12190 * cfgloop.h (create_loop_notes): Declaration removed.
12192 2006-03-23 Richard Sandiford <richard@codesourcery.com>
12194 * varasm.c (output_constant_pool): Restore fnname and fndecl
12196 (assemble_start_function): Adjust call accordingly.
12197 (assemble_end_function): Likewise.
12199 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12202 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
12205 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
12207 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
12210 * system.h (ICE_EXIT_CODE): New macro.
12211 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
12212 (diagnostic_action_after_output): Likewise.
12213 * gcc.c (fatal_ice): New function.
12214 (execute): Use it instead of fatal.
12215 (fancy_abort): Likewise.
12216 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
12218 2006-03-22 Jeff Law <law@redhat.com>
12220 * loop-unroll.c (analyze_iv_to_split_insn): Handle
12221 iv_analyze_result returning false.
12223 2006-03-22 Jie Zhang <jie.zhang@analog.com>
12225 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
12227 2006-03-22 Richard Henderson <rth@redhat.com>
12229 PR middle-end/26084
12230 * except.c (duplicate_eh_regions_0): New.
12231 (duplicate_eh_region_1): Duplicate the children of the node as
12232 well as the node itself. Link them up properly.
12233 (duplicate_eh_region_2): Merge into ...
12234 (duplicate_eh_regions): ... here. Take copy_region argument, and
12235 copy only a sub-tree if asked. Simplify copying and fixup.
12236 (eh_region_outer_p): New.
12237 * except.h (duplicate_eh_regions): Update decl.
12238 (eh_region_outer_p): Declare.
12239 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
12240 (lower_omp_master): Likewise.
12241 (lower_omp_ordered): Likewise.
12242 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
12243 (move_stmt_r): Use it to remap labels. Handle recursion vs
12244 remap_decls_p properly.
12245 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
12246 (find_outermost_region_in_block): New.
12247 (new_label_mapper): New.
12248 (move_sese_region_to_fn): Copy eh information to the new function
12250 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
12252 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
12255 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12257 * doc/md.texi (-mshared): Mention that -mshared code can be linked
12258 into shared libraries.
12260 2006-03-22 Richard Sandiford <richard@codesourcery.com>
12262 * doc/md.texi: Refer to i386/constraints.md instead of
12263 i386/predicates.md.
12264 * config/i386/constraints.md: New file, extracted from...
12265 * config/i386/predicates.md: ...here.
12266 * config/i386/i386.md: Include constraints.md.
12268 2006-03-21 Jason Merrill <jason@redhat.com>
12270 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
12272 PR middle-end/20297
12273 * expr.c (init_block_move_fn): Force default visibility.
12274 (init_block_clear_fn): Likewise.
12275 * builtins.c (expand_builtin_fork_or_exec): Likewise.
12276 * targhooks.c (default_external_stack_protect_fail): Likewise.
12278 2006-03-21 Richard Sandiford <richard@codesourcery.com>
12280 * config/mips/predicates.md (const_call_insn_operand): Allow direct
12281 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
12282 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
12283 Use TARGET_OLDABI instead of !TARGET_NEWABI.
12284 (loadgp): Use mips_current_loadgp_style.
12285 (loadgp_noshared): New pattern.
12286 (sibcall_internal): Use MIPS_CALL.
12287 (sibcall_value_internal): Likewise.
12288 (sibcall_value_multiple_internal): Likewise.
12289 (call_internal): Likewise.
12290 (call_value_internal): Likewise.
12291 (call_value_multiple_internal): Likewise.
12292 (call_split): Use MIPS_CALL and add an 'S' constraint.
12293 (call_value_split): Likewise.
12294 (call_value_multiple_split): Likewise.
12295 * config/mips/mips.opt (-mabicalls): Tweak docstring.
12296 (-mshared): New option.
12297 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
12298 (mips_current_loadgp_style): Declare.
12299 * config/mips/mips.c (mips_classify_symbol): Avoid using
12300 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
12301 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
12302 TARGET_ABSOLUTE_ABICALLS.
12303 (override_options): Adjust comments. Improve the warning that is
12304 issued when -mabicalls and -G are used together.
12305 (mips_file_start): Remove comment.
12306 (mips_current_loadgp_style): New function.
12307 (mips_gnu_local_gp): New variable.
12308 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
12310 (mips_output_function_prologue): Use mips_current_laodgp_style.
12311 (mips_expand_prologue): Call mips_emit_loadgp before emitting
12312 the cprestore instruction.
12313 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
12314 live for TARGET_ABSOLUTE_ABICALLS.
12315 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
12316 (ASM_SPEC): Pass down -mshared and -mno-shared.
12317 (MIPS_CALL): New macro.
12318 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
12320 * doc/invoke.texi (-mabicalls): Update documentation.
12321 (-mshared): Document.
12323 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12325 * config/ia64/unwind-hpux.c: New file.
12326 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
12328 2006-03-21 Steve Ellcey <sje@cup.hp.com>
12331 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
12333 2006-03-21 Jeff Law <law@redhat.com>
12335 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
12336 type conversions of a VR_VARYING source to a wider type.
12338 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
12340 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
12341 tm_file on Solaris 10 and later.
12342 (sparc64-*-solaris2*): Likewise.
12343 (sparc-*-solaris2*): Likewise.
12344 * config/sol26.h: Rename to config/sol2-6.h.
12345 * config/sol2-10.h: New file.
12347 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
12350 * tree-ssa-pre.c (create_component_ref_by_pieces):
12353 2006-03-21 Jakub Jelinek <jakub@redhat.com>
12356 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
12357 return it immediately.
12359 2006-03-21 Michael Matz <matz@suse.de>
12361 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
12363 (remove_arc, add_arc): Update num_out_arcs member.
12364 (set_out_arc_insns_equiv_num): Returns nothing instead of number
12366 (cache_presence): New function.
12367 (compare_states_for_equiv): New function.
12368 (state_is_differed): Don't take number of outargs, adjust callers.
12369 Use new invariant for speeding up.
12370 (init_equiv_class): Create initial classes based on sorted
12372 (partition_equiv_class): Don't track out_arcs_num.
12373 (evaluate_equiv_classes): Call cache_presence on all states and
12376 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
12378 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
12379 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
12380 (bfin_valid_reg_p): Test for pseudos explicitly and use only
12381 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
12383 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
12384 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
12385 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
12386 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
12387 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
12389 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
12390 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
12391 (REGNO_REG_CLASS): ARGP is in PREGS.
12392 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
12394 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
12395 to deal with those addresses.
12396 * addresses.h: New file.
12397 * caller-save.c: Include "addresses.h".
12398 (init_caller_save): Use new base_reg_class function.
12399 * rtl-factoring.c: Include "addresses.h".
12400 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
12401 * recog.c: Include "addresses.h".
12402 (preprocess_constraints): Use new base_reg_class function.
12403 * regrename.c: Include "addresses.h".
12404 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
12405 functions. Keep track of a new var INDEX_CODE to compute valid
12407 (replace_oldest_value_addr): Likewise.
12408 (replace_oldest_value_mem): Use base_reg_class.
12409 * reload.c: Include "addresses.h".
12410 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
12411 (find_reloads): Use new base_reg_class function.
12412 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
12413 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
12414 all callers and prototype changed.
12415 * reload1.c: Include "addresses.h".
12416 (maybe_fix_stack_asms): Use base_reg_class.
12417 * regclass.c: Include "addresses.h".
12418 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
12419 (init_reg_autoinc): Use new base_reg_class function.
12420 (record_reg_classes): Likewise.
12421 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
12422 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
12423 Use new args to compute necessary class.
12425 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
12426 regrename.o, rtl-factoring.o): Update dependencies.
12427 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
12428 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
12429 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
12430 REG_OK_FOR_INDEX_P): Delete documentation.
12432 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
12434 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
12435 from V7 to V9 for Solaris 7 and above.
12437 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
12439 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
12440 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
12441 argument pointers may not alias any other storage.
12442 * common.opt: Define option -fargument-noalias-anything.
12443 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
12444 alias semantics is specified by flag_argument_noalias > 2.
12446 2006-03-20 Jeff Law <law@redhat.com>
12448 * tree-pass.h (pass_phi_only_copy_prop): Delete.
12449 (pass_phi_only_cprop): Declare.
12450 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
12451 with phi_only_cprop
12452 * tree-ssa-dom.c (degenerate_phi_result): New function.
12453 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
12454 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
12455 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
12456 (eliminate_degenerate_phis): Likewise.
12457 (pass_phi_only_cprop): New pass descriptor.
12458 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
12459 support code. Callers updated.
12460 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
12461 (store_copy_prop): Likewise.
12462 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
12464 2006-03-20 Jason Merrill <jason@redhat.com>
12467 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
12468 (push_visibility, pop_visibility): Likewise.
12469 * c-pragma.h: Declare them.
12471 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
12473 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
12475 * config/sh/sh.c (find_regmode_weight): Change the type of the first
12476 parameter and use get_ebb_head_tail.
12477 (sh_md_init_global): Adjust uses of find_regmode_weight.
12479 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
12481 * function.h (struct function) <x_tail_recursion_reentry>:
12482 Rename to x_stack_check_probe_note.
12483 (tail_recursion_reentry): Rename to stack_check_probe_note.
12484 * function.c: Replace tail_recursion_reentry with
12485 stack_check_probe_note everywhere.
12486 (expand_function_start): Only emit a note for
12487 stack_check_probe_note with -fstack-protect.
12488 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
12490 * emit-rtl.c (remove_unnecessary_notes): Remove.
12491 (pass_remove_unnecessary_notes): Remove.
12492 * rtl.h (remove_unnecessary_notes): Remove prototype.
12493 * final.c (final_start_function): Don't call remove_unnecessary_notes.
12494 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
12495 * passes.c (pass_remove_unnecessary_notes): Don't run it.
12497 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
12500 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
12501 (valid_in_set): Handle ARRAY_REF.
12502 Change "if min_variant or VH" to asserts.
12503 (create_component_ref_by_pieces): Handle ARRAY_REF.
12504 (create_expression_by_pieces): Likewise.
12505 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
12507 2006-03-20 David Edelsohn <edelsohn@gnu.org>
12509 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
12510 is operand of switch, not str[0].
12512 2006-03-20 Alan Modra <amodra@bigpond.net.au>
12514 * config/rs6000/rs6000.c (rs6000_handle_option): Use
12515 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
12517 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12519 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
12520 end of insn_extra_address_constraint declaration.
12522 2006-03-19 David Edelsohn <edelsohn@gnu.org>
12524 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
12525 (no-sum-in-toc): Same.
12526 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
12528 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
12529 NO_FP_IN_TOC for -fPIC instead of mask.
12531 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
12532 (BOOT_LDFLAGS): Delete.
12534 * config/rs6000/t-aix52: Same.
12536 * config/rs6000/rs6000.md (store_multiple_power): Delete.
12537 (stmsi[345678]_power): New.
12539 2006-03-17 Steve Ellcey <sje@cup.hp.com>
12541 * config/ia64/ia64.opt: Add empty line to end of file.
12543 2006-03-17 Richard Guenther <rguenther@suse.de>
12545 PR middle-end/26721
12546 * builtins.c (get_pointer_alignment): For component style references
12547 adjust alignment to the component type alignment. Make sure
12548 to adjust alignment for component access of constants.
12550 2006-03-17 David Edelsohn <edelsohn@gnu.org>
12552 * config/rs6000/rs6000.md (strlensi): Emit barrier after
12553 unconditional jump.
12555 2006-03-17 Paul Brook <paul@codesourcery.com>
12557 * doc/install.texi: Docuemnt --with-mode.
12558 * config.gcc: Add --with-mode for arm*-*-*.
12559 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
12561 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
12563 * sh.c (max_labelno_before_reorg): New variable.
12564 (sh_reorg): Initialize it.
12565 (find_barrier): Check max_labelno_before_reorg before using
12566 label_to_alignment. Take length of explicit alignment insns
12567 into account. When seeing a UNSPECV_CONST_END, return it.
12569 * sh.c (fixup_mova): Set mode of affected label to QImode.
12570 (untangle_mova): New function.
12571 (find_barrier): Use it. Check mode of label before decrementing
12573 (sh_reorg): Likewise.
12574 Set mode of all insns back to VOIDmode.
12576 * sh.c (MOVA_LABELREF): New macro.
12577 (mova_p, fixup_mova, sh_reorg): Use it.
12578 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
12579 ADDR_DIFF_VEC matches mova.
12581 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
12583 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
12584 with ATTRIBUTE_UNUSED.
12586 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
12588 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
12589 pointer, instead of assuming it is possible to derive the
12590 correct args size from a call insn.
12592 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
12594 * rtl.h (CONST_INT_P): Define.
12595 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
12596 instead of GET_CODE(x) == CONST_INT.
12597 (vax_rtx_costs): Likewise.
12598 (vax_output_int_move): Likewise.
12599 (vax_output_int_add): Likewise.
12600 (legitimate_constant_address_p): Likewise.
12601 (index_term_p): Likewise.
12602 * config/vax/vax.h (PRINT_OPERAND): Likewise.
12603 * config/vax/vax.md (and<mode>3): Likewise.
12604 (ashrsi3): Likewise.
12606 (movstricthi): Likewise.
12607 (movstrictqi): Likewise.
12608 (rotrsi3): Likewise.
12609 (five unnamed insns): Likewise.
12611 2006-03-16 Geoffrey Keating <geoffk@apple.com>
12613 * doc/tm.texi (SDB and DWARF): Add extra parameter to
12614 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
12615 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
12616 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
12617 Pass to ASM_OUTPUT_DWARF_OFFSET.
12618 * dwarf2out.c (debug_frame_section): New.
12619 (output_call_frame_info): Use debug_frame_section. Pass it to
12620 dw2_asm_output_offset.
12621 (output_die): Pass appropriate section to dw2_asm_output_offset.
12622 (output_compilation_unit_header): Likewise.
12623 (output_pubnames): Likewise.
12624 (output_aranges): Likewise.
12625 (enum dw_val_class): Break dw_val_class_lbl_offset into
12626 dw_val_class_lineptr and dw_val_class_macptr.
12627 (add_AT_lbl_offset): Delete.
12628 (add_AT_lineptr): New.
12629 (add_AT_macptr): New.
12630 (AT_lbl): Expect a lineptr or macptr.
12631 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
12632 (attr_checksum): Likewise.
12633 (same_dw_val_p): Likewise.
12634 (size_of_die): Likewise.
12635 (value_format): Likewise.
12636 (output_die): Likewise.
12637 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
12639 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12640 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
12641 * config/darwin-protos.h (darwin_file_start): New.
12642 (darwin_asm_output_dwarf_offset): New.
12643 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
12644 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
12646 * config/darwin.c (darwin_emit_unwind_label): Don't output label
12647 if not EH section; simplify.
12648 (darwin_file_start): New.
12649 (darwin_asm_output_dwarf_offset): New.
12650 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
12652 (DEBUG_INFO_SECTION): Likewise.
12653 (DEBUG_ABBREV_SECTION): Likewise.
12654 (DEBUG_ARANGES_SECTION): Likewise.
12655 (DEBUG_MACINFO_SECTION): Likewise.
12656 (DEBUG_LINE_SECTION): Likewise.
12657 (DEBUG_LOC_SECTION): Likewise.
12658 (DEBUG_PUBNAMES_SECTION): Likewise.
12659 (DEBUG_STR_SECTION): Likewise.
12660 (DEBUG_RANGES_SECTION): Likewise.
12661 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
12662 (ASM_OUTPUT_DWARF_OFFSET): New.
12664 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
12666 * config.gcc (tm_defines): Always add to previous value rather
12669 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12671 * config/mips/predicates.md (splittable_const_int_operand): New,
12672 split from move_operand.
12673 (splittable_symbolic_operand): New.
12674 (move_operand): Add commentary. Use splittable_const_int_operand.
12675 Inline mips_atomic_symbolic_constant_p.
12676 * config/mips/mips.md: Add combine splitters for handling moves
12677 of splittable_const_int_operands and splittable_symbolic_operands.
12678 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
12679 (mips_split_symbol): Declare.
12680 (mips_move_integer): Declare.
12681 * config/mips/mips.c (mips_split_p): Make global.
12682 (TARGET_MIN_ANCHOR_OFFSET): Override default.
12683 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
12684 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
12685 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
12686 (mips_offset_within_object_p): Handle block symbols.
12687 (mips_atomic_symbolic_constant_p): Delete.
12688 (mips_cannot_force_const_mem): Return false for constants that
12689 mips_legitimize_move can handle.
12690 (mips_use_blocks_for_constant_p): New function.
12691 (mips_split_symbol): Make global.
12692 (mips_move_integer): Likewise. Add a temporary register argument.
12693 (mips_legitimize_const_move): Use splittable_const_int_operand and
12694 splittable_symbolic_operand.
12695 (mips_use_anchors_for_symbol_p): New function.
12696 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
12697 (mips_split_p): Declare.
12699 2006-03-16 Richard Sandiford <richard@codesourcery.com>
12701 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
12702 (mips*-*-linux*): Likewise.
12704 2006-03-16 Roger Sayle <roger@eyesopen.com>
12705 Daniel Speyer <dspeyer@wam.umd.edu>
12707 PR middle-end/18259
12708 * tree-dump.c (dump_real): New function.
12709 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
12710 * Makefile.in (REAL_H): New macro for dependencies on real.h.
12711 (tree-dump.o): Add $(REAL_H) to the dependencies.
12713 2006-03-16 Roger Sayle <roger@eyesopen.com>
12715 PR middle-end/21781
12716 * real.c (real_from_string): If the mantissa is zero, don't bother
12717 parsing the exponent as the result should always be zero.
12719 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
12721 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
12723 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12725 * config/ia64/ia64.c (stops_p): Added explicit initialization.
12726 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
12727 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
12728 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
12729 ia64_sched_finish_global): New static functions to implement
12730 hooks from gcc_target.sched.
12731 (spec_check_no, max_uid, pending_data_specs): New static variables.
12732 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
12733 ia64_spec_check_src_p): New static functions.
12734 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
12735 (TARGET_SCHED_ADJUST_COST): Removed.
12736 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
12737 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
12738 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12739 TARGET_SCHED_GEN_CHECK,
12740 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12741 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
12742 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
12743 Fixed to handle speculation checks.
12744 (rtx_needs_barrier): Fixed to handle speculative loads and
12746 (ia64_variable_issue): Added code to count speculative loads and their
12748 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
12750 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
12752 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
12754 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
12755 (ia64_reorg): Reset stops_p to NULL after it is freed.
12756 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
12757 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
12758 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
12760 (data_speculative, control_speculative, check_load): New attributes.
12761 (mov<mode>_advanced, mov<mode>_speculative,
12762 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
12763 zero_extend<mode>di2_speculative,
12764 zero_extend<mode>di2_speculative_advanced): New patterns for
12765 data and control speculative loads.
12766 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
12768 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
12769 New pattern for data and control speculation checks.
12770 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
12771 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
12772 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
12773 Auxiliary definitions for the patterns.
12774 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
12775 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
12777 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
12779 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
12780 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
12781 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
12782 New resource constraints.
12783 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
12785 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
12786 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
12787 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12788 msched-in-control-spec, msched-ldc, msched-control-ldc,
12789 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12790 msched-prefer-non-control-spec-insns,
12791 msched-count-spec-in-critical-path): New flags to tune speculative
12793 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
12794 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
12795 msched-in-control-spec, msched-ldc, msched-control-ldc,
12796 msched-spec-verbose, msched-prefer-non-data-spec-insns,
12797 msched-prefer-non-control-spec-insns,
12798 msched-count-spec-in-critical-path): Document new flags.
12800 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12802 * target.h (struct spec_info_def): New opaque declaration.
12803 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
12804 speculate_insn, needs_block_p, gen_check,
12805 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
12806 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
12807 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
12808 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
12809 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12810 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
12812 (TARGET_SCHED): Use new macros.
12813 * rtl.h (copy_DEPS_LIST_list): New prototype.
12814 * sched-int.h (struct sched_info): Change signature of new_ready field,
12815 adjust all initializations. New fields: add_remove_insn,
12816 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
12817 region_head_or_leaf_p.
12818 (struct spec_info_def): New structure declaration.
12819 (spec_info_t): New typedef.
12820 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
12821 recovery_block, orig_pat.
12822 (glat_start, glat_end): New variables declaraions.
12823 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
12825 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
12826 DETACH_LIFE_INFO, USE_GLAT.
12827 (enum SPEC_SCHED_FLAGS): New enumeration.
12828 (NOTE_NOTE_BB_P): New macro.
12829 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
12830 attach_life_info, debug_spec_status, check_reg_live): New functions.
12831 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
12832 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
12834 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
12835 * ddg.c (get_block_head_tail): Adjust all uses.
12836 * modulo-sched.c (get_block_head_tail): Adjust all uses.
12837 (sms_sched_info): Initialize new fields.
12838 (contributes_to_priority): Removed.
12839 * haifa-sched.c (params.h): New include.
12840 (get_block_head_tail): Adjust all uses.
12841 (ISSUE_POINTS): New macro.
12842 (glat_start, glat_end): New global variables.
12843 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
12844 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
12845 old_last_basic_block, before_recovery, current_sched_info_var,
12846 rgn_n_insns, luid): New static variables.
12847 (insn_cost1): New function. Move logic from insn_cost to here.
12848 (find_insn_reg_weight1): New function. Move logic from
12849 find_insn_reg_weight to here.
12850 (reemit_notes, move_insn, max_issue): Change signature.
12851 (move_insn1): Removed.
12852 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
12853 extend_bb): New static functions to support extension of scheduler's
12855 (generate_recovery_code, process_insn_depend_be_in_spec,
12856 begin_speculative_block, add_to_speculative_block,
12857 init_before_recovery, create_recovery_block, create_check_block_twin,
12858 fix_recovery_deps): New static functions to support
12859 generation of recovery code.
12860 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
12861 restore_bb_notes, move_block_after_check, move_succs): New static
12862 functions to support ebb scheduling.
12863 (init_glat, init_glat1, attach_life_info1, free_glat): New static
12864 functions to support handling of register live information.
12865 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
12866 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
12867 add_jump_dependencies): New static functions.
12868 (check_cfg, has_edge_p, check_sched_flags): New static functions for
12869 consistancy checking.
12870 (debug_spec_status): New function to call from debugger.
12871 (priority): Added code to handle speculation checks.
12872 (rank_for_schedule): Added code to distinguish speculative instructions.
12873 (schedule_insn): Added code to handle speculation checks.
12874 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
12875 Fixed to handle ebbs.
12876 (move_insn): Added code to handle ebb scheduling.
12877 (max_issue): Added code to use ISSUE_POINTS of instructions.
12878 (choose_ready): Added code to choose between speculative and
12879 non-speculative instructions.
12880 (schedule_block): Added code to handle ebb scheduling and scheduling of
12881 speculative instructions.
12882 (sched_init): Initialize new variables.
12883 (sched_finish): Free new variables. Print statistics.
12884 (try_ready): Added code to handle speculative instructions.
12885 * lists.c (copy_DEPS_LIST_list): New function.
12886 * sched-deps.c (extend_dependency_caches): New function. Move logic
12887 from create_dependency_caches to here.
12888 (get_dep_weak, ds_merge): Make global.
12889 * genattr.c (main): Code to output prototype for
12890 dfa_clear_single_insn_cache.
12891 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
12892 (output_dfa_clean_insn_cache_func): Code to output
12893 dfa_clear_single_insn_cache function.
12894 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
12896 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
12898 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
12899 New static variables.
12900 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
12901 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
12903 (ebb_sched_info): Initialize new fields.
12904 (get_block_head_tail): Adjust all uses.
12905 (compute_jump_reg_dependencies): Fixed to use glat_start.
12906 (schedule_ebb): Code to remove unreachable last block.
12907 (schedule_ebbs): Added code to update register live information.
12908 * sched-rgn.c (region_sched_info): Initialize new fields.
12909 (get_block_head_tail): Adjust all uses.
12910 (last_was_jump): Removed. Adjust users.
12911 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
12912 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
12913 Implement new hooks.
12914 (check_dead_notes1): New static function.
12915 (struct region): New fields: dont_calc_deps, has_real_ebb.
12916 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
12917 (BB_TO_BLOCK): Fixed to handle EBBs.
12918 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
12919 (ebb_head): New static variable.
12920 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
12921 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
12923 (compute_dom_prob_ps): New assertion.
12924 (check_live_1, update_live_1): Fixed to work with glat_start instead of
12925 global_live_at_start.
12926 (init_ready_list): New assertions.
12927 (can_schedule_ready_p): Split update code to begin_schedule_ready.
12928 (new_ready): Add support for BEGIN_CONTROL speculation.
12929 (schedule_insns): Fixed code that updates register live information
12931 (schedule_region): Fixed to handle EBBs.
12932 (init_regions): Use extend_regions and check_dead_notes1.
12933 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
12934 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
12935 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
12936 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
12937 TARGET_SCHED_GEN_CHECK,
12938 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
12939 TARGET_SCHED_SET_SCHED_FLAGS): Document.
12940 * doc/invoke.texi (max-sched-insn-conflict-delay,
12941 sched-spec-prob-cutoff): Document.
12943 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12945 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
12946 inter_tick, queue_index.
12947 (struct sched_info): Change signature of init_ready_list field.
12948 Adjust all initializations.
12949 (RESOLVED_DEPS): New access macro.
12950 (ready_add): Remove prototype.
12951 (try_ready): Add prototype.
12952 * sched-rgn.c (init_ready_list): Use try_ready.
12953 (schedule_region): Initialize
12954 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
12955 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
12956 (init_ready_list): Use try_ready.
12957 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
12958 * lists.c (remove_list_elem): Remove `static'.
12959 (remove_free_INSN_LIST_elem): New function.
12960 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
12961 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
12962 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
12964 (readyp): New variable.
12965 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
12966 change_queue_index, resolve_dep): New static functions.
12967 (try_ready): New function. Adjust callers in sched-rgn.c and
12968 sched-ebb.c to use it instead of ready_add.
12969 (clock_var): Move at the begining of file.
12970 (rank_for_schedule): Fix typo.
12971 (queue_insn): Add assertion. Handle QUEUE_INDEX.
12972 (ready_lastpos): Enforce assertion.
12973 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
12974 update all callers.
12975 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
12976 (schedule_insn): Rewrite to use try_ready and resolve_dep.
12977 (queue_to_ready): Use free_INSN_LIST_list.
12978 (early_queue_to_ready): Fix typo.
12979 (schedule_block): Init readyp. Move init_ready_list call after the
12980 initialization of clock_var. Fix error in rejecting insn by
12981 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
12982 that previously corrected INSN_TICKs. Add code for handling
12984 (set_priorities): Fix typo.
12985 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
12986 Clarify comment and code that keeps current_sched_info->next_tail
12989 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12991 * sched-rgn.c (extend_rgns): New static function.
12992 (find_rgns): Use it.
12993 (gather_region_statistics, print_region_statistics): New static
12995 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
12996 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
12998 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
12999 Andrey Belevantsev <abel@ispras.ru>
13001 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
13002 * lists.c (unused_deps_list): New variable.
13003 (free_list): Add assertions to verify the proper distinguishing
13004 between INSN_LISTs and DEPS_LISTs.
13005 (find_list_elem, remove_list_elem, remove_list_node): New static
13007 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
13008 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
13009 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
13010 (alloc_INSN_LIST): Assert that the list we're working on is indeed
13012 (free_INSN_LIST_node): Likewise.
13013 * modulo-sched.c (current_sched_info): Initialize flags field.
13014 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
13015 * rtl.def (DEPS_LIST): Define.
13016 * rtl.h: Declare new functions from lists.c.
13017 * sched-deps.c (spec_dependency_cache): New static variable.
13018 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
13019 (add_dependence): Change return type to void. Move the logic to ...
13020 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
13021 (delete_all_dependences): Add comment about forward_dependency_cache.
13022 Handle spec_dependency_cache. Handle DEPS_LISTs.
13023 (fixup_sched_groups): Clarify the change of priority of output
13024 and anti dependencies.
13025 (sched_analyze_2): Adjust add_dependence calls to create data
13026 speculative dependence.
13027 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
13028 Adjust all callers. Handle DEPS_LISTS.
13029 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
13030 presence of speculation.
13031 (init_dependency_caches, free_dependency_caches):
13032 Handle spec_dependency_cache.
13033 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
13034 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
13035 New static functions.
13036 (add_or_update_back_dep, add_or_update_back_forw_dep,
13037 add_back_forw_dep, delete_back_forw_dep): New functions.
13038 * sched-int.h (ds_t, dw_t): New typedefs.
13039 (struct sched_info): Add new field flags.
13040 (struct haifa_insn_data): Add new bitfield has_internal_dep.
13041 Prototype new sched-deps.c functions.
13042 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
13043 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
13044 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
13045 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
13046 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
13047 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
13049 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
13051 * sched-rgn.c (current_sched_info): Initialize flags field.
13052 (schedule_insns): Initialize current_sched_info before the sched_init
13054 * sched-ebb.c (current_sched_info): Initialize flags field.
13055 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
13056 Call add_or_update_back_dep instead of add_dependence.
13057 Create control speculative dependencies.
13058 (schedule_insns): Initialize current_sched_info before the sched_init
13061 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
13063 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
13065 (sh_fallback_frame_state): Likewise.
13067 2006-03-15 Geoffrey Keating <geoffk@apple.com>
13069 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
13070 Do switch on default_use_cxa_atexit.
13071 (powerpc*-*-darwin*): Build crt2.o on powerpc.
13072 * config/darwin-crt3.o: New.
13073 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
13074 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
13075 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
13077 * config/rs6000/t-darwin: Move crt2.o building to here.
13078 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
13079 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
13082 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13084 * config/vax/vax.c (nonindexed_address_p): Change logical negation
13085 from '! xxx' to '!xxx' for coding-style conformance.
13086 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
13087 (EXTRA_CONSTRAINT): Likewise.
13088 * config/vax/vax.md (four unnamed insns): Likewise.
13090 2006-03-15 Paul Brook <paul@codesourcery.com>
13092 * config/arm/arm.c (minipool_pad): New.
13093 (add_minipool_forward_ref): Include pool alignment padding in address
13095 (push_minipool_fix): Set minipool_pad.
13096 (minipool_pad): Ditto.
13098 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13100 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
13101 instead of GET_CODE() == MEM and REG_P() instead of
13103 (print_operand_address): Likewise.
13104 (vax_address_cost): Likewise.
13105 (vax_rtx_costs): Likewise.
13106 (vax_notice_update_cc): Likewise.
13107 (vax_output_int_add): Likewise.
13108 (INDEX_REGISTER_P): Likewise.
13109 (BASE_REGISTER_P): Likewise.
13110 (nonindexed_address_p): Likewise.
13111 (vax_mode_dependent_address_p): Likewise.
13112 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
13113 (PRINT_OPERAND): Likewise.
13114 * config/vax/vax.md (ashlsi3): Likewise.
13115 (ashlsi3): Likewise.
13116 (some more unnamed insns): Likewise.
13118 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
13120 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
13121 iterator-style macro.
13122 (mark_control_dependent_edges_necessary): Update the use of
13123 EXECUTE_IF_CONTROL_DEPENDENT.
13125 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
13127 * config/sh/predicates.md (cache_address_operand): Special.
13128 (ua_address_operand): Likewise.
13130 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
13132 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
13134 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
13136 2006-03-15 Andreas Schwab <schwab@suse.de>
13138 * gensupport.c (identify_predicable_attribute): Don't free p_false
13139 when it is still in use.
13141 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
13143 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
13144 the default setting here.
13146 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
13148 * tree-pass.h (pass_cfg): Remove.
13149 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
13150 * passes.c (pass_cfg): Don't run it.
13152 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
13154 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
13155 * reg-stack.c (stack_regs_mentioned_data): Change the type to
13157 (stack_regs_mentioned): Update the uses of
13158 stack_regs_mentioned_data. Don't access the array beyond its
13160 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
13161 Don't include gt-reg-stack.h.
13163 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
13164 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
13166 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
13168 PR middle-end/26684
13169 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
13172 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13174 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
13176 2006-03-14 Richard Guenther <rguenther@suse.de>
13178 PR tree-optimization/26672
13179 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
13182 2006-03-14 Richard Guenther <rguenther@suse.de>
13184 PR tree-optimization/26667
13185 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
13186 node for the callees. Always allow inlining if it will shrink
13189 2006-03-14 Richard Guenther <rguenther@suse.de>
13191 PR middle-end/26659
13192 * builtins.c (get_pointer_alignment): Prefer alignment
13193 information from decls over that from types.
13195 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
13198 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
13200 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
13202 * config/rs6000/rs6000.opt (mdlmzb): New option.
13203 (msched-prolog, msched-epilog): Use Var not Mask.
13204 * doc/invoke.texi (-mdlmzb): Document.
13205 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
13207 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
13208 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
13210 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
13212 PR rtl-optimization/25739
13213 * bt-load.c (augment_live_range): Free tos pointer.
13215 * gensupport.c (identify_predicable_attribute): Free
13217 * gcov.c (create_file_names): Free name pointer.
13219 2006-03-13 Roger Sayle <roger@eyesopen.com>
13221 PR middle-end/26557
13222 * stmt.c (emit_case_nodes): Handle the case where the index is a
13223 CONST_INT, where the comparison mode is specified by the index type.
13225 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13227 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
13230 2006-03-13 Richard Sandiford <richard@codesourcery.com>
13232 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
13233 (*branch_fp_inverted): Likewise.
13235 2006-03-13 Jakub Jelinek <jakub@redhat.com>
13237 PR middle-end/25989
13238 * omp-low.c (expand_omp_for_generic): Mark istart0
13239 and iend0 as addressable.
13241 2006-03-13 Jie Zhang <jie.zhang@analog.com>
13243 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
13245 2006-03-13 Jeff Law <law@redhat.com>
13247 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
13248 virtual operands are interesting.
13249 (vrp_visit_stmt): Corresponding changes.
13251 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
13253 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
13255 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
13256 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
13257 * config/bfin/crti.S: Use it instead of __PIC__.
13258 * config/bfin/crtn.S: Likewise.
13260 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
13261 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
13263 Lose 'G' modifier for call operand.
13264 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
13265 recognize 'G' modifier.
13267 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
13269 PR middle-end/18859
13270 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
13271 * stmt.c (expand_case): Likewise.
13273 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13275 PR rtl-optimization/26254
13276 * loop-invariant.c (seq_insns_valid_p): New function.
13277 (move_invariant_reg): Only emit new code if it is valid.
13279 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13281 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
13283 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
13284 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
13285 (commit_one_edge_insertion): Do not look for loop notes.
13287 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13289 * jump.c (follow_jumps): Do not check for loop notes. Move check for
13290 flag_test_coverage out of loop.
13292 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13294 * final.c (shorten_branches): Remove outdated comment, and turn
13295 the if branch that guards it to continue.
13297 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
13299 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
13300 * cfgloop.h (struct loop): Remove unused fields.
13302 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
13304 * doc/invoke.texi (-fdump-rtl-loop): Remove.
13305 (-dL, -fdump-rtl-loop2): Update the dump file names
13307 * doc/invoke.texi: Update dump file names.
13309 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
13311 * predict.c (estimate_probability): Remove.
13312 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
13313 * basic-block.h (estimate_probability): Remove prototype.
13314 * passes.c (finish_optimization_passes): Dump branch prediction or
13315 profiling heuristics to the .profile tree dump.
13316 (init_optimization_passes): Unqueue pass_branch_prob.
13318 * doc/invoke.texi (-fdump-rtl-bp): Remove.
13320 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13322 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
13323 * rtl.h (LABEL_NEXTREF): Remove field accessor.
13325 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
13327 * function.h (frame_offset_overflow): Declare.
13328 * function.c (frame_offset_overflow): New function.
13329 (assign_stack_local_1): Call it to detect that the offset overflows.
13330 * cfgexpand.c (alloc_stack_frame_space): Likewise.
13332 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
13334 * config/sh/sh.c: Include alloc-pool.h.
13335 (label_ref_list_pool): New alloc pool.
13336 (label_ref_list_t): New type for lists of labels.
13337 (struct pool_node): Make wend a label_ref_list_t.
13338 (add_constant): Use the new type, eradicate LABEL_NEXTREF
13340 (dump_table): Likewise.
13341 (sh_reorg): Set up the alloc pool before using add_constant and
13342 dump_table, and destroy it when finishing.
13344 2006-03-11 Richard Sandiford <richard@codesourcery.com>
13346 * config/mips/mips.c: Remove redundant comment.
13348 2006-03-10 Jason Merrill <jason@redhat.com>
13351 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
13352 the target was declared 'register'.
13354 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
13356 * genpreds.c (write_insn_constraint_len): Change definition of
13357 insn_constraint_len to return size_t to match the declaration.
13359 2006-03-10 DJ Delorie <dj@redhat.com>
13361 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
13363 (m32c_expand_insv): Fix test for an AND mask.
13365 2006-03-10 Richard Guenther <rguenther@suse.de>
13367 PR middle-end/26565
13368 * builtins.c (get_pointer_alignment): Handle component
13369 references for field alignment.
13371 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13373 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
13374 when building with libgloss.
13375 (sh*elf): Implement --without-fp option.
13376 (sh64-superh-linux*): Don't multilib.
13378 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
13380 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
13382 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
13384 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
13385 Set it when one of the replacement functions returned true.
13386 Return TODO_cleanup_cfg if cfgchanged is true.
13387 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
13389 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
13391 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
13392 instead of gen_lowpart.
13394 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13396 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
13398 (mips_output_order_conditional_branch): Declare.
13399 * config/mips/mips.h (MIPS_BRANCH): New macro.
13400 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
13401 for the comparison. Use gen_condjump.
13402 (mips_output_conditional_branch): Rework interface to take the
13403 asm templates for a direct branch and the inverse of a direct branch.
13404 (mips_output_order_conditional_branch): New function.
13405 (mips_builtin_branch_and_move): New function.
13406 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
13407 branch condition. Use gen_single_cc as the condition for
13408 __builtin_mips_upper_* or __builtin_mips_lower_*.
13409 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
13410 Use VOIDmode for the branch condition.
13411 * config/mips/predicates.md (order_operator): New predicate.
13412 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
13413 (branch_fp): Rename to...
13414 (*branch_fp): ...this. Remove mode from comparison operator.
13415 Use new mips_output_conditional_branch interface.
13416 (branch_fp_inverted): Rename to...
13417 (*branch_fp_inverted): ...this and update as for *branch_fp.
13418 (*branch_zero<mode>): Rename to...
13419 (*branch_order<mode>): ...this. Remove mode from comparison operator.
13420 Use mips_output_order_conditional_branch. Only accept ordered
13422 (*branch_zero<mode>_inverted): Rename to...
13423 (*branch_order<mode>_inverted): ...this and update as for
13424 *branch_order<mode>.
13425 (*branch_equality<mode>): Accept zero as the second operand to
13426 the equality operator. Use the new mips_output_conditional_branch
13428 (*branch_equality<mode>_inverted): Likewise.
13429 (condjump): New expander.
13430 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
13432 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
13433 (bc1any2t, bc1any2f): Likewise.
13434 (single_cc): New expander.
13435 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
13437 2006-03-09 Richard Sandiford <richard@codesourcery.com>
13439 * doc/md.texi: Update documentation of MIPS constraints.
13440 * config/mips/constraints.md: New file.
13441 * config/mips/mips.md: Include it.
13442 * config/mips/mips.c (mips_char_to_class): Delete.
13443 (override_options): Don't initialize mips_char_to_class.
13444 * config/mips/mips.h (mips_char_to_class): Delete.
13445 (REG_CLASS_FROM_LETTER): Delete.
13446 (CONST_OK_FOR_LETTER_P): Delete.
13447 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
13448 (EXTRA_CONSTRAINT_Y): Delete.
13449 (EXTRA_CONSTRAINT_STR): Delete.
13450 (CONSTRAINT_LEN): Delete.
13451 (EXTRA_MEMORY_CONSTRAINT): Delete.
13453 2006-03-09 Diego Novillo <dnovillo@redhat.com>
13455 * tree-cfg.c (move_block_to_fn): Remove the statements from the
13456 original fn's eh regions.
13458 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
13460 * fold-const.c (build_range_check): Make sure to use a valid type to
13461 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
13464 (range_predecessor): New static function.
13465 (range_successor): Likewise.
13466 (merge_ranges): Use them to compute predecessors and successors of
13469 2006-03-09 Roger Sayle <roger@eyesopen.com>
13471 PR middle-end/26561
13472 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
13473 X op C3, consider whether C3 overflows towards +Inf or -Inf.
13475 2006-03-08 DJ Delorie <dj@redhat.com>
13477 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
13478 (addpsi3): Expand to include memory operands. Remove
13479 reload-specific splits.
13480 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
13481 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
13482 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
13483 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
13484 (shift1_qi, shift1_hi, insv): New.
13485 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
13486 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
13487 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
13489 * config/m32c/m32c-protos.h: Update as needed.
13490 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
13491 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
13492 Fail for unrecognized R* constraints.
13493 (m32c_cannot_change_mode_class): Be more picky about pseudos.
13494 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
13495 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
13497 (m32c_init_libfuncs): New.
13498 (m32c_legitimate_address_p): Add debug wrapper.
13499 (m32c_rtx_costs): New.
13500 (m32c_address_cost): New.
13501 (conversions): Add 'B' prefix.
13502 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
13503 operands, or word regnames for QI operands. 'B' prints bit
13505 (m32c_expand_setmemhi): New.
13506 (m32c_expand_movmemhi): New.
13507 (m32c_expand_movstr): New.
13508 (m32c_expand_cmpstr): New.
13509 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
13510 (m32c_expand_neg_mulpsi3): Handle non-ints.
13511 (m32c_cmp_flg_0): New.
13512 (m32c_expand_movcc): New.
13513 (m32c_expand_insv): New.
13514 (m32c_scc_pattern): New.
13515 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
13516 a0/a1 out of SIregs.
13517 (STORE_FLAG_VALUE): New.
13518 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
13521 * config/m32c/mov.md: Make constraints more liberal.
13522 (zero_extendqihi2): Optimize r0/r1 case.
13523 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
13524 * config/m32c/predicates.md (m32c_any_operand): New.
13525 (m32c_nonimmediate_operand): New.
13526 (m32c_hl_operand): New.
13527 (m32c_r3_operand): New.
13530 (memsym_operand): New.
13531 (memimmed_operand): New.
13532 (a_qi_operand): New.
13533 (m32c_eqne_operator): New.
13534 (m32c_1bit8_operand): New.
13535 (m32c_1bit16_operand): New.
13536 (m32c_1mask8_operand): New.
13537 (m32c_1mask16_operand): New.
13538 * config/m32c/blkmov.md: New file.
13539 * config/m32c/t-m32c (MD_FILES): Add blkmov.
13541 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
13543 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
13544 unsigned to fix signed/unsigned comparison issue in
13545 DWARF2_FRAME_REG_OUT.
13546 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
13547 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
13549 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
13550 of ptr into the ENABLE_CHECKING section.
13552 2006-03-08 Jeff Law <law@redhat.com>
13554 * tree-vrp.c (infer_value_range): Only count pointer uses
13555 and dereferences if -fdelete-null-pointer-checks is enabled.
13557 * tree-vrp.c (find_assert_locations): Infer value ranges for
13558 single use pointers, but do not create ASSERT_EXPRs for them.
13559 When a non-null range is inferred for a pointer, backwards
13560 propagate that range to other equivalent pointers through the
13563 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
13566 * Makefile.in (dvi, html, install-info): Invoke the corresponding
13567 language hook targets.
13568 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
13569 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
13570 if language hook targets were missing.
13572 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
13574 * tree-ssa-opfinalize.h: Removed.
13575 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
13577 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
13578 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
13579 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
13580 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
13581 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
13582 finalize_ssa_v_must_def_ops): New.
13584 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
13586 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
13587 block as parameter.
13589 2006-03-07 Geoffrey Keating <geoffk@apple.com>
13591 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
13593 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
13594 addresses with offsets; reorganize.
13596 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
13597 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
13598 (expand_builtin_init_dwarf_reg_sizes): Likewise.
13600 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
13603 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
13605 2006-03-08 Ben Elliston <bje@au.ibm.com>
13607 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
13609 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
13612 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
13615 2006-03-07 Richard Guenther <rguenther@suse.de>
13617 PR tree-optimization/26587
13618 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
13620 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13622 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
13624 2006-03-07 Richard Sandiford <richard@codesourcery.com>
13626 * hooks.c (hook_bool_mode_rtx_true): New function.
13627 * hooks.h (hook_bool_mode_rtx_true): Declare.
13628 * toplev.c (compile_file): Call output_shared_constant_pool.
13629 * varasm.c (shared_constant_pool): New variable.
13630 (assemble_start_function, assemble_end_function): Remove arguments
13631 from call to output_constant_pool.
13632 (create_constant_pool): New function, split out from...
13633 (init_varasm_status): ...here.
13634 (force_const_mem): Choose between the shared and per-function constant
13635 pools. Set current_function_uses_const_pool when reusing old entries
13636 as well as when creating new ones.
13637 (mark_constant): Ignore data argument.
13638 (mark_constants): Remove pool argument.
13639 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
13640 to decide whether the function uses a constant pool.
13641 (output_constant_pool_contents): New function, split out from...
13642 (output_constant_pool): ...here.
13643 (output_shared_constant_pool): New function.
13644 (init_varasm_once): Initialize shared_constant_pool.
13645 * output.h (output_constant_pool): Delete.
13646 (output_shared_constant_pool): Declare.
13647 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
13648 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
13650 2006-03-06 Nick Clifton <nickc@redhat.com>
13652 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
13653 flag_strength_reduce.
13655 2006-03-06 Ben Elliston <bje@au.ibm.com>
13657 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
13658 x86_64-*-linux* configurations.
13660 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
13661 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
13663 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13665 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
13667 * basic-block.h: Remove the extern for
13668 rediscover_loops_after_threading.
13670 * cfgloop.c (cancel_loop): Make it static.
13671 * cfgloop.h: Remove the prototype for cancel_loop.
13673 * flow.c (recompute_reg_usage): Make it static.
13674 * rtl.h: Remove the prototype for recompute_reg_usage.
13676 * function.c (use_return_register): Make it static.
13677 * function.h: Remove the prototype.
13679 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13681 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
13683 * recog.h: Remove the prototype for
13684 validate_change_maybe_volatile.
13686 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13688 * rtlanal.c (replace_reg): Remove.
13689 * rtl.h: Remove the prototype for replace_reg.
13691 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
13693 * regclass.c (reg_scan_update): Remove.
13694 (reg_scan_mark_refs): Remove the last argument.
13695 * rtl.h: Remove the prototype for reg_scan_update.
13697 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13699 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
13700 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
13701 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
13702 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
13703 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
13704 loop-invariant.c, omp-low.c, opts.c, passes.c,
13705 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
13706 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
13707 tree-ssa-structalias.c, tree-ssa-threadedge.c,
13708 tree-ssa-threadupdate.c, tree-vect-patterns.c,
13709 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
13710 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
13712 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13714 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
13715 * dwarf2out.h: Remove the prototype for
13716 dwarf2out_add_library_unit_info.
13718 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13720 * tree.c (add_var_to_bind_expr): Remove.
13721 * tree.h: Remove the prototype for add_var_to_bind_expr.
13723 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13725 * regclass.c (n_non_fixed_regs): Remove.
13726 (init_reg_sets_1, globalize_reg): Remove all uses of
13728 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
13730 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13732 * rtlanal.c (insns_safe_to_move_p): Remove.
13733 * rtl.h: Remove the prototype for insns_safe_to_move_p.
13735 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
13737 * expmed.c (expand_mult_add): Remove.
13738 * expr.h: Remove the prototype for expand_mult_add.
13740 2006-03-04 Jakub Jelinek <jakub@redhat.com>
13742 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
13743 and REG_SAVED_VAL_EXP constants.
13744 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
13745 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
13746 Handle regs stored by value.
13747 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
13748 (execute_cfa_program): Handle DW_CFA_val_offset,
13749 DW_CFA_val_offset_sf and DW_CFA_val_expression.
13750 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
13751 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
13752 (uw_install_context_1): Handle target regs stored by value.
13754 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
13756 * tree-sra.c (tree_sra): Return todoflags;
13757 (generate_one_element): Set TODO_update_smt_usage if needed.
13758 (pass_sra): Remove TODO_update_smt_usage.
13759 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
13761 (tree_ssa_forward_propagate_single_use_vars): Return
13762 TODO_update_smt_usage if we need to update SMT usage.
13763 (pass_forwprop): Remove TODO_update_smt_usage.
13765 2006-03-03 Diego Novillo <dnovillo@redhat.com>
13767 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
13768 (correct_use_link): Remove reference to get_stmt_operands.
13769 (update_stmt_operands): Likewise.
13770 (get_modify_expr_operands): New function factored out of
13771 parse_ssa_operands and get_expr_operands.
13772 Try to create V_MUST_DEFs for LHS by default.
13773 (get_expr_operands) <case MODIFY_EXPR>: Call
13774 get_modify_expr_operands.
13775 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
13776 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
13777 (parse_ssa_operands) <case MODIFY_EXPR>: Call
13778 get_modify_expr_operands.
13780 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
13782 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
13783 * tree-flow.h: Remove the prototype for
13784 referenced_var_lookup_if_exists.
13786 2006-03-03 Steve Ellcey <sje@cup.hp.com>
13788 PR rtl-optimization/26345
13790 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
13792 2006-03-03 Roger Sayle <roger@eyesopen.com>
13794 PR tree-optimization/26524
13795 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
13796 fold_convert to create a constant of the appropriate type.
13798 2006-03-03 Richard Sandiford <richard@codesourcery.com>
13800 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13801 SYMBOL_REF_IN_BLOCK_P.
13802 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
13803 of SYMBOL_FLAG_IN_BLOCK.
13804 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
13805 instead of SYMBOL_REF_IN_BLOCK_P.
13806 * explow.c (use_anchored_address): Likewise.
13807 * rtl.c (rtx_size): Likewise.
13808 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
13809 instead of SYMBOL_FLAG_IN_BLOCK.
13810 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13811 SYMBOL_REF_IN_BLOCK_P.
13812 (assemble_variable): Likewise.
13813 (output_constant_def_contents): Likewise.
13814 (output_constant_pool): Likewise.
13815 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
13816 instead of SYMBOL_FLAG_IN_BLOCK.
13817 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13818 SYMBOL_REF_IN_BLOCK_P.
13819 (SYMBOL_REF_BLOCK): Likewise.
13820 (SYMBOL_REF_OFFSET): Likewise.
13821 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
13822 SYMBOL_REF_IN_BLOCK_P.
13823 (SYMBOL_FLAG_IN_BLOCK): Replace with...
13824 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
13825 (SYMBOL_REF_IN_BLOCK_P): Replace with...
13826 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
13828 2006-03-03 Jakub Jelinek <jakub@redhat.com>
13830 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
13832 2006-03-02 Roger Sayle <roger@eyesopen.com>
13834 * simplify-rtx.c (simplify_unary_operation): When simplifying
13835 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
13836 that we perform the right shift in the appropriate mode, and
13837 then extend or truncate the result to requested mode.
13839 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
13841 * gengtype.c (main): Handle double_int type.
13842 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
13843 * double-int.c: New file.
13844 * double-int.h: New file.
13845 * system.h: Include doubleint.h.
13846 * Makefile.in (SYSTEM_H): Include double-int.h.
13847 (double-int.o): Add.
13849 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
13852 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
13855 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13857 * tree-vrp.c (remove_range_assertions): Do not update statements
13860 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13862 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
13864 * gcse.c (rest_of_handle_gcse): Ditto.
13865 * except.c (gate_handle_eh): Ditto.
13866 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
13867 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
13869 2006-03-02 Eric Christopher <echristo@apple.com>
13871 * config/i386/i386.c (machopic_output_stub): Add indirection to
13874 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
13878 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
13880 Sun Niagara specific optimizations.
13881 * config.gcc: Recognize niagara as target.
13882 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
13883 (TARGET_CPU_niagara): Define.
13884 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
13885 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
13886 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13887 (ASM_CPU_SPEC): Likewise.
13888 (PROCESSOR_NIAGARA): New enum entry.
13889 (REGISTER_MOVE_COST): Handle Niagara.
13890 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
13891 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
13892 (sparc_override_options): Recognize "niagara", set appropriate
13893 default MASK_* values for it, and align functions to 32-bytes
13894 by default just like ULTRASPARC/ULTRASPARC3.
13895 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
13896 (sparc64_initialize_trampoline): Likewise.
13897 (sparc_use_sched_lookahead): Use zero for niagara.
13898 (sparc_issue_rate): Use one for niagara.
13899 * config/sparc/niagara.md: New file.
13900 * config/sparc/sparc.md: Include it.
13901 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
13902 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
13903 when default cpu is niagara.
13904 (CPP_CPU_SPEC): Handle -mcpu=niagara.
13905 (ASM_CPU_SPEC): Likewise.
13906 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
13907 when default cpu is niagara.
13908 (ASM_CPU_SPEC): Handle -mcpu=niagara.
13909 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
13910 just like v9/ultrasparc/ultrasparc3.
13911 * doc/invoke.texi: Add documentation for "niagara" and improve
13912 existing documentation for ultrasparc variants.
13914 2006-03-02 Diego Novillo <dnovillo@redhat.com>
13916 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
13918 2006-03-02 Richard Sandiford <richard@codesourcery.com>
13920 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
13921 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
13922 and say that only one is needed.
13923 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
13924 * target.h (have_switchable_bss_sections): New hook.
13925 * explow.c (use_anchored_address): Check that the symbol is in a block.
13926 * varasm.c (tls_comm_section, comm_section, lcomm_section)
13927 (bss_noswitch_section): New variables.
13928 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
13929 (get_noswitch_section): New function.
13930 (get_block_for_section): Allow SECT to be null.
13931 (unlikely_text_section_p): Use SECTION_STYLE.
13932 (bss_initializer_p): New function.
13933 (get_variable_section): Move earlier in file. Take a new argument,
13934 prefer_noswitch_p. Move bss checks from assemble_variable to here.
13935 Return one of the new *_sections in such cases.
13936 (get_block_for_decl): New function, extracting some logic from
13937 use_blocks_for_decl_p.
13938 (change_symbol_section): Remove in favor of...
13939 (change_symbol_block): ...this new function.
13940 (use_blocks_for_decl_p): Remove checks now performed by
13941 get_block_for_decl.
13942 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
13943 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
13944 (emit_local, emit_bss, emit_common): ...these new functions.
13945 Return true if the alignment was honored.
13946 (emit_tls_common): New function.
13947 (asm_emit_uninitialised): Delete.
13948 (assemble_variable_noswitch): New function, split out from...
13949 (assemble_variable): ...here. Don't make decisions about common
13950 variables here. Globalize all public decls that go into non-common
13951 sections. Check whether SYMBOL_REF_BLOCK is null.
13952 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
13953 (output_constant_pool): Likewise.
13954 (init_varasm_once): Initialize the new section variables.
13955 (have_global_bss_p): New function.
13956 (categorize_decl_for_section): Use bss_initializer_p.
13957 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
13958 (place_block_symbol): Assert that the symbol must be in a block.
13959 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
13960 (TARGET_INITIALIZER): Include it.
13961 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
13962 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
13963 (SECTION_MACH_DEP): Bump by two.
13964 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
13965 (unnamed_section): Mention SECTION_UNNAMED in comment.
13966 (named_section): Likewise SECTION_NAMED.
13967 (noswitch_section_callback): New type.
13968 (noswitch_section): New structure.
13969 (section): Add a noswitch_section alternative.
13970 (SECTION_STYLE): New macro.
13971 (tls_comm_section, comm_section, lcomm_section): Declare.
13972 (bss_noswitch_section, have_global_bss_p): Declare.
13973 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13974 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13976 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
13977 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
13980 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
13982 * tree-vrp.c (execute_vrp): Return value.
13983 * regrename.c (rest_of_handle_regrename): Ditto.
13984 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
13985 * tree-complex.c (tree_lower_complex): Ditto.
13986 (tree_lower_complex_O0): Ditto.
13987 * tracer.c (rest_of_handle_tracer): Ditto.
13988 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
13989 * postreload.c (rest_of_handle_postreload): Ditto.
13990 * tree-tailcall.c (execute_tail_recursion): Ditto.
13991 (execute_tail_calls): Ditto.
13992 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
13993 * tree.h (init_function_for_compilation): Ditto.
13994 * ipa-cp.c (ipcp_driver): Ditto.
13995 * tree-scalar-evolution.c (scev_const_prop): Ditto.
13996 * tree-scalar-evolution.h (scev_const_prop): Ditto.
13997 * final.c (compute_alignments): Ditto.
13998 (rest_of_handle_final): Ditto.
13999 (rest_of_handle_shorten_branches): Ditto.
14000 (rest_of_clean_state): Ditto.
14001 * omp-low.c (execute_expand_omp): Ditto.
14002 (execute_lower_omp): Ditto.
14003 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
14004 * ipa-reference.c (static_execute): Ditto.
14005 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
14006 * reorg.c (rest_of_handle_delay_slots): Ditto.
14007 (rest_of_handle_machine_reorg): Ditto.
14008 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
14009 * flow.c (recompute_reg_usage): Ditto.
14010 (rest_of_handle_remove_death_notes): Ditto.
14011 (rest_of_handle_life): Ditto.
14012 (rest_of_handle_flow2): Ditto.
14013 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
14014 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
14015 (do_ssa_store_ccp): Ditto.
14016 (execute_fold_all_builtins): Ditto.
14017 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
14018 * modulo-sched.c (rest_of_handle_sms): Ditto.
14019 * ipa-pure-const.c (static_execute): Ditto.
14020 * cse.c (rest_of_handle_cse): Ditto.
14021 (rest_of_handle_cse2): Ditto.
14022 * web.c (rest_of_handle_web): Ditto.
14023 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
14024 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
14025 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
14026 * tree-nrv.c (tree_nrv): Ditto.
14027 (execute_return_slot_opt): Ditto.
14028 * tree-ssa-alias.c (compute_may_aliases): Ditto.
14029 (create_structure_vars): Ditto.
14030 * loop-init.c (rtl_loop_init): Ditto.
14031 (rtl_loop_done): Ditto.
14032 (rtl_move_loop_invariants): Ditto.
14033 (rtl_unswitch): Ditto.
14034 (rtl_unroll_and_peel_loops): Ditto.
14035 (rtl_doloop): Ditto.
14036 * gimple-low.c (lower_function_body): Ditto.
14037 (mark_used_blocks): Ditto.
14038 * tree-ssa-sink.c (execute_sink_code): Ditto.
14039 * ipa-inline.c (cgraph_decide_inlining): Ditto.
14040 (cgraph_early_inlining): Ditto.
14041 * global.c (rest_of_handle_global_alloc): Ditto.
14042 * jump.c (cleanup_barriers): Ditto.
14043 (purge_line_number_notes): Ditto.
14044 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
14045 (rest_of_handle_if_after_reload): Ditto.
14046 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
14047 (tree_ssa_loop_im): Ditto.
14048 (tree_ssa_loop_unswitch): Ditto.
14049 (tree_vectorize): Ditto.
14050 (tree_linear_transform): Ditto.
14051 (tree_ssa_loop_ivcanon): Ditto.
14052 (tree_ssa_empty_loop): Ditto.
14053 (tree_ssa_loop_bounds): Ditto.
14054 (tree_complete_unroll): Ditto.
14055 (tree_ssa_loop_prefetch): Ditto.
14056 (tree_ssa_loop_ivopts): Ditto.
14057 (tree_ssa_loop_done): Ditto.
14058 * predict.c (tree_estimate_probability): Ditto.
14059 * recog.c (split_all_insns_noflow): Ditto.
14060 (rest_of_handle_peephole2): Ditto.
14061 (rest_of_handle_split_all_insns): Ditto.
14062 * tree-eh.c (lower_eh_constructs): Ditto.
14063 * regmove.c (rest_of_handle_regmove): Ditto.
14064 (rest_of_handle_stack_adjustments): Ditto.
14065 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
14066 * function.c (instantiate_virtual_regs): Ditto.
14067 (init_function_for_compilation): Ditto.
14068 (rest_of_handle_check_leaf_regs): Ditto.
14069 * gcse.c (rest_of_handle_jump_bypass): Ditto.
14070 (rest_of_handle_gcse): Ditto.
14071 * ipa-type-escape.c (type_escape_execute): Ditto.
14072 * alias.c (rest_of_handle_cfg): Ditto.
14073 * tree-if-conv.c (main_tree_if_conversion): Ditto.
14074 * profile.c (rest_of_handle_branch_prob): Ditto.
14075 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
14076 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
14077 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
14078 * tree-dfa.c (find_referenced_vars): Ditto.
14079 * except.c (set_nothrow_function_flags): Ditto.
14080 (convert_to_eh_region_ranges): Ditto.
14081 (rest_of_handle_eh): Ditto.
14082 * emit-rtl.c (unshare_all_rtl): Ditto.
14083 (remove_unnecessary_notes): Ditto.
14084 * except.h (set_nothrow_function_flags): Ditto.
14085 (convert_to_eh_region_ranges): Ditto.
14086 * cfgexpand.c (tree_expand_cfg): Ditto.
14087 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
14088 * tree-ssa-pre.c (do_pre): Ditto.
14089 (execute_fre): Ditto.
14090 * cfgcleanup.c (rest_of_handle_jump): Ditto.
14091 (rest_of_handle_jump2): Ditto.
14092 * tree-sra.c (tree_sra): Ditto.
14093 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
14094 (execute_mudflap_function_decls): Ditto.
14095 * tree-ssa-copy.c (do_copy_prop): Ditto.
14096 (do_store_copy_prop): Ditto.
14097 * ipa-prop.h (ipcp_driver): Ditto.
14098 * cfglayout.c (insn_locators_initialize): Ditto.
14099 * tree-ssa-forwprop.c
14100 (tree_ssa_forward_propagate_single_use_vars): Ditto.
14101 * cfglayout.h (insn_locators_initialize): Ditto.
14102 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
14103 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
14104 (execute_late_warn_uninitialized): Ditto.
14105 * rtl.h (cleanup_barriers): Ditto.
14106 (split_all_insns_noflow): Ditto.
14107 (purge_line_number_notes): Ditto.
14108 (unshare_all_rtl): Ditto.
14109 (remove_unnecessary_notes): Ditto.
14110 (recompute_reg_usage): Ditto.
14111 (variable_tracking_main): Ditto.
14112 * integrate.c (emit_initial_value_sets): Ditto.
14113 * integrate.h (emit_initial_value_sets): Ditto.
14114 * tree-optimize.c (execute_free_datastructures): Ditto
14115 (execute_free_cfg_annotations): Ditto.
14116 (execute_fixup_cfg): Ditto.
14117 (execute_cleanup_cfg_pre_ipa): Ditto.
14118 (execute_cleanup_cfg_post_optimizing): Ditto.
14119 (execute_init_datastructures): Ditto.
14120 * tree-object-size.c (compute_object_sizes): Ditto.
14121 * combine.c (rest_of_handle_combine): Ditto.
14122 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
14123 * bb-reorder.c (duplicate_computed_gotos): Ditto.
14124 (rest_of_handle_reorder_blocks): Ditto.
14125 (rest_of_handle_partition_blocks): Ditto.
14126 * var-tracking.c (variable_tracking_main): Ditto.
14127 * tree-profile.c (tree_profiling): Ditto.
14128 * tree-vect-generic.c (expand_vector_operations): Ditto.
14129 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
14130 * sched-rgn.c (rest_of_handle_sched): Ditto.
14131 (rest_of_handle_sched2): Ditto.
14132 * basic-block.h (free_bb_insn): Ditto.
14133 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
14134 * tree-cfg.c (execute_build_cfg): Ditto.
14135 (remove_useless_stmts): Ditto.
14136 (split_critical_edges): Ditto.
14137 (execute_warn_function_return): Ditto.
14138 (execute_warn_function_noreturn): Ditto.
14139 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
14140 * cfgrtl.c (free_bb_for_insn): Ditto.
14141 * passes.c (execute_one_pass): Run additional
14142 todos returned by execute function.
14143 * tree-pass.h (struct tree_opt_pass): Make execute
14146 2006-03-02 Richard Guenther <rguenther@suse.de>
14148 * tree-ssa-alias.c (find_used_portions): Consider taking
14149 the address as making the variable not write-only.
14151 2006-03-02 Nick Clifton <nickc@redhat.com>
14153 * config.gcc (default_use_cxa_atexit): Extend the description of
14154 this configure variable. Set its default value to "yes" for
14155 Linux, NetBSD and ELF targets on the assumption that they will
14156 use C libraries with the __cxa_atexit function.
14158 2006-03-02 Ben Elliston <bje@au.ibm.com>
14160 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
14161 parameter as unused to suppress a build warning.
14163 2006-03-02 Ben Elliston <bje@au.ibm.com>
14165 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
14168 2006-03-01 Roger Sayle <roger@eyesopen.com>
14171 * gthr-posix.h (__gthrw2): Define to take three parameters, the
14172 declared name, the weak reference name, and the typeof name.
14173 (__gthrw): Avoid expanding the declared name suffix.
14174 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
14176 2006-03-01 Jakub Jelinek <jakub@redhat.com>
14178 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
14180 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
14181 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
14182 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
14183 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
14184 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
14185 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
14186 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
14187 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
14188 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
14189 DW_DS_leading_separate, DW_DS_trailing_separate): New.
14190 (DW_END_default, DW_END_big, DW_END_little): New.
14191 (DW_END_lo_user, DW_END_hi_user): Define.
14192 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
14193 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
14194 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
14197 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14199 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
14201 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
14203 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
14205 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
14207 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
14208 to 'symbol_mem_tag'.
14210 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
14213 2006-03-01 Roger Sayle <roger@eyesopen.com>
14215 * builtins.c (fold_builtin_copysign): Delete unreachable code.
14217 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14220 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
14221 MACHO_DYNAMIC_NO_PIC_P.
14222 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
14224 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14227 * config/darwin-protos.h (darwin_asm_output_anchor):
14229 * config/darwin-sections.def (cstring_section):
14230 Add SECTION_MERGE to the flags.
14231 (literal4_section): Likewise.
14232 (literal8_section): Likewise.
14233 (objc_selector_refs_section): Likewise.
14234 (objc_cls_refs_section): Likewise.
14235 * config/darwin.c (darwin_asm_output_anchor): New
14237 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14239 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
14241 Fix PR tree-optimization/26443
14242 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
14243 to todo and PROP_tmt_usage to properties_destroyed.
14244 * tree-ssa-ccp.c (pass_ccp): Ditto.
14245 (pass_store_ccp): Ditto.
14246 * tree-ssa-dom.c (pass_dominator): Ditto.
14248 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14250 * tree-ssa-operands.c: Cleanup whitespace.
14251 (get_asm_expr_operands): Move before first invocation.
14252 (get_indirect_ref_operands): Likewise.
14253 (get_tmr_operands): Likewise.
14254 (get_call_expr_operands): Likewise.
14255 (append_def): Likewise.
14256 (append_use): Likewise.
14257 (append_v_may_def): Likewise.
14258 (append_v_must_def): Likewise.
14259 (add_call_clobber_ops): Likewise.
14260 (add_call_read_ops): Likewise.
14261 (add_stmt_operand): Likewise.
14262 (add_virtual_operand): Likewise.
14263 (build_ssa_operands): Likewise.
14265 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
14267 PR middle-end/26022
14269 PR middle-end/24437
14270 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14271 with a call expr to ...
14272 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14274 2006-03-01 Diego Novillo <dnovillo@redhat.com>
14276 * tree-vrp.c (extract_range_from_assert): Remove special
14277 handling for types with super-types.
14279 2006-03-01 Ben Elliston <bje@au.ibm.com>
14281 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
14282 and powerpc64-*-linux* configurations.
14283 * config/t-dfprules: New file.
14285 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
14286 Compile dfp-bit.c from the source directory using -DWIDTH and
14287 $DFP_CFLAGS to control the compilation of that file, rather than
14288 generating width-specific versions in the build directory.
14289 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
14290 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
14292 2006-02-28 Zack Weinberg <zackw@panix.com>
14294 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
14297 2006-02-28 Eric Christopher <echristo@apple.com>
14299 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
14300 Set up IN_LIBGCC definition of TARGET_64BIT.
14301 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
14303 2006-02-28 Roger Sayle <roger@eyesopen.com>
14305 PR middle-end/14752
14306 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
14307 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
14308 cases via the construction of "expr != 0".
14310 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
14312 * alias.c (alias_invariant, alias_invariant_size): Remove.
14313 (record_base_value): Remove.
14314 (memrefs_conflict_p): Don't look at alias_invariant.
14315 (end_alias_analysis): Don't free it.
14316 * alias.h (record_base_value): Remove prototype.
14318 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
14319 Adam Nemet <anemet@caviumnetworks.com>
14321 * rtl.h (truncated_to_mode): Declare it.
14322 (struct rtl_hooks): Add reg_truncated_to_mode hook.
14323 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
14324 (RTL_HOOKS_INITIALIZER): Include it.
14325 * rtlhooks.c (reg_truncated_to_mode_general): New function.
14326 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
14327 reg_truncated_to_mode.
14328 * rtlanal.c (truncated_to_mode): Define it.
14329 * simplify-rtx.c (simplify_unary_operation_1): Use it.
14331 2006-02-28 Jeff Law <law@redhat.com>
14333 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
14334 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
14335 the range allowed by TYPE_PRECISION.
14337 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
14339 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
14341 PR tree-optimization/26419
14342 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
14345 2006-02-27 Zack Weinberg <zackw@panix.com>
14347 * doc/md.texi: Fix typo in previous change.
14349 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
14353 2006-02-27 Zack Weinberg <zackw@panix.com>
14355 * rtl.def (define_constraint, define_register_constraint)
14356 (define_memory_constraint, define_address_constraint): New MD forms.
14357 * gensupport.c (process_rtx): Put define_constraint etc on the
14359 * genpreds.c (process_define_predicate): Adjust comment. Validate
14360 the name, and call validate_exp to validate the expression.
14361 (mark_mode_tests, write_extract_subexp): Can assume correct input.
14362 (write_predicate_expr): Likewise. NAME argument no longer necessary;
14363 all callers changed.
14364 (validate_exp, needs_variable, struct constraint_data)
14365 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
14366 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
14367 (const_dbl_constraints, constraint_max_namelen)
14368 (have_register_constraints, have_memory_constraints)
14369 (have_address_constraints, have_address_constraints)
14370 (have_extra_constraints, have_const_int_constraints)
14371 (have_const_dbl_constraints, mangle, add_constraint)
14372 (process_define_constraint, process_define_register_constraint)
14373 (write_enum_constraint_num, write_lookup_constraint)
14374 (write_insn_constraint_len, write_regclass_for_constraint)
14375 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
14376 (write_insn_extra_memory_constraint)
14377 (write_insn_extra_address_constraint)
14378 (write_satisfies_constraint_fns): New.
14379 (write_tm_preds_h): If we have new-style constraint definitions,
14380 prototype the functions generated from them, and define the
14381 old constraint interface (still used by generic code) in terms of
14383 (write_insn_preds_c): If we have new-style constraint definitions,
14384 generate all relevant functions from those definitions.
14385 (main): Handle define_constraint etc.
14386 * genoutput.c (struct constraint_data, indep_constraints)
14387 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
14388 (mdep_constraint_len): New data structures and functions, defined
14389 #ifdef USE_MD_CONSTRAINTS.
14390 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
14391 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
14392 use new logic to validate operand constraints against constraint
14394 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
14396 * defaults.h: If none of the old-style constraint macros are
14397 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
14398 old-style macros; and poison REG_CLASS_FROM_LETTER,
14399 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
14401 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
14402 * doc/md.texi: Document new constraint-definition mechanism and the
14403 C interface it provides. Remove references to old mechanism
14404 elsewhere in the document.
14405 (Machine Constraints): Use pathnames relative to gcc directory,
14406 i.e. config/ARCH/FILE. Change i386 section to refer to
14407 config/i386/predicates.md; update that section to match docstrings.
14408 * doc/tm.texi: Move all documentation of the old constraint-
14409 definition macros to their own section, clearly mark as obsolete.
14411 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
14412 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
14414 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
14415 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
14416 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
14417 constraint strings.
14418 (splits and peepholes): Use satisfies_constraint_*.
14419 * config/i386/i386.c (memory_address_length)
14420 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
14422 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14424 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
14425 scalar operation to be put back into the loop.
14427 2006-02-27 Jakub Jelinek <jakub@redhat.com>
14430 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
14431 (extract_cie_info): Handle S flag in augmentation string.
14432 (execute_cfa_program): If context->signal_frame, execute also
14433 fs->pc == context->ra instructions.
14434 (uw_frame_state_for): If context->signal_frame, don't subtract one
14435 from context->ra to find FDE.
14436 (uw_update_context_1): Set context->signal_frame to
14438 (_Unwind_GetIPInfo): New function.
14439 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
14440 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
14442 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
14443 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
14444 * unwind-compat.c (_Unwind_GetIPInfo): New function.
14445 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
14446 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
14447 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
14448 * config/i386/linux-unwind.h (x86_fallback_frame_state,
14449 x86_64_fallback_frame_state): Set fs->signal_frame.
14450 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
14451 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
14452 (frob_update_context): Likewise. Workaround missing S flag in
14453 Linux 2.6.12 - 2.6.16 kernel vDSOs.
14454 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
14455 Remove the psw_addr + 1 hack.
14457 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
14459 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
14460 with aggregates here.
14461 (find_func_aliases): Remove code for &<aggregate> from here.
14463 2006-02-26 Roger Sayle <roger@eyesopen.com>
14465 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
14466 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
14467 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
14468 as (X & C) ne/eq 0.
14470 2006-02-26 Roger Sayle <roger@eyesopen.com>
14472 PR middle-end/19983
14473 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
14475 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
14477 * opts.c (decode_options): Do not handle flag_strength_reduce.
14478 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
14479 and OPT_fstrength_reduce.
14480 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
14481 flag_prefetch_loop_arrays for being nonzero.
14482 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
14484 (fprefetch-loop-arrays-rtl): Removed.
14485 (flag_prefetch_loop_arrays): Do not specify the value.
14487 * doc/passes.texi: Update documentation of loop optimizer
14489 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
14490 -frerun-loop-opt): Remove.
14492 2006-02-26 Richard Guenther <rguenther@suse.de>
14494 PR tree-optimization/26421
14495 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
14496 in function calls that are ADDR_EXPRs as using the whole structure.
14498 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
14500 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
14501 * tree-pass.h (pass_loop_optimize): Remove.
14502 * passes.c (pass_loop_optimize): Never run it.
14503 * toplev.c (backend_init): Don't call init_loop.
14504 * opts.c (flag_loop_optimize_set): Remove.
14505 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
14506 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
14507 the old RTL loop optimizer when profiling enabled.
14508 * predict.c (tree_estimate_probability): Always strip builtin_expect.
14509 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
14510 pre-headers for the sake of the old RTL loop optimizer.
14511 * Makefile.in: Remove all references to loop.o.
14513 * doc/invoke.texi: Remove all references to -floop-optimize
14514 and -frerun-loop-opt.
14516 2006-02-26 Zack Weinberg <zackw@panix.com>
14518 * doc/md.texi (Machine Constraints): Refer to all files with paths
14519 relative to gcc directory (i.e. config/CPU/file). Add missing
14520 @table @code ... @end table to M32C subsection.
14522 2006-02-26 Roger Sayle <roger@eyesopen.com>
14524 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
14526 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
14528 2006-02-26 Roger Sayle <roger@eyesopen.com>
14529 James A. Morrison <phython@gcc.gnu.org>
14531 PR middle-end/21137
14532 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
14533 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
14534 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
14535 signedness of the shift operation.
14537 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
14539 PR tree-optimization/26359
14540 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
14542 2006-02-25 Roger Sayle <roger@eyesopen.com>
14544 * simplify-rtx.c (simplify_relational_operation_1): Simplify
14545 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
14546 as X == 0, and some symmetry related transformations.
14547 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
14549 2006-02-25 Roger Sayle <roger@eyesopen.com>
14551 PR middle-end/23673
14552 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
14553 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
14554 symmetry related transformations. Fold (X^C1) == C2 as
14557 2006-02-25 Juergen Weigert <jw@suse.de>
14558 Richard Guenther <rguenther@suse.de>
14560 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
14562 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
14564 * combine.c (gen_lowpart_or_truncate): Call
14565 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
14567 2006-02-24 Diego Novillo <dnovillo@redhat.com>
14569 * doc/invoke.texi: Move -fopenmp description to "Options for
14571 Remove reference to -lgomp.
14573 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14575 * doc/install.texi: Require GNU tar version 1.14.
14577 2006-02-24 Geoffrey Keating <geoffk@apple.com>
14579 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
14580 * doc/invoke.texi (C++ Dialect Options): Document
14581 -fno-use-cxa-get-exception-ptr.
14582 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
14583 * configure: Regenerate.
14584 * c.opt (fuse-cxa-get-exception-ptr): New.
14585 * c-opts.c (c_common_handle_option): Handle
14586 OPT_fuse_cxa_get_exception_ptr.
14587 * c-common.c (flag_use_cxa_atexit): Update documentation.
14588 (flag_use_cxa_get_exception_ptr): New.
14589 * c-common.h (flag_use_cxa_get_exception_ptr): New.
14590 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
14592 (C_COMMON_OVERRIDE_OPTIONS): New.
14594 2006-02-24 Roger Sayle <roger@eyesopen.com>
14596 PR middle-end/24952
14597 * combine.c (try_combine): Explicitly check whether GET_CODE is
14598 a SET or a CLOBBER, instead on checking that it isn't a USE.
14600 2006-02-24 Roger Sayle <roger@eyesopen.com>
14602 * fold-const.c (fold_comparison): New subroutine of fold_binary
14603 containing transformations common to both the equality and
14604 ordering relational operators, factored out of fold_binary.
14605 (fold_binary): Separate out the equality operators (EQ_EXPR
14606 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
14607 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
14608 transformations common to both.
14609 (fold_div_compare): Fix latent bugs in the previously unreachable
14610 LT_EXPR and GE_EXPR cases.
14612 2006-02-24 David Edelsohn <edelsohn@gnu.org>
14614 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
14615 decl libname for clog to __clog on AIX.
14617 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
14619 2006-02-24 Alan Modra <amodra@bigpond.net.au>
14622 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
14623 output traceback table for thunks. Localise rs6000_stack_info call.
14625 2006-02-23 Roger Sayle <roger@eyesopen.com>
14626 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14628 * gthr-posix.h (__gthrw): Fix typo in comment.
14630 2006-02-23 Geoffrey Keating <geoffk@apple.com>
14632 * doc/cpp.texi (Character sets): Document that we do support
14633 input files to be in any character set.
14635 2006-02-23 Jeff Law <law@redhat.com>
14637 * tree.h (PHI_ARG_NONZERO): Remove.
14638 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
14639 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
14640 node to the new node.
14642 PR tree-optimization/26425
14643 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
14644 min/max, then assume its varying.
14646 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14648 PR rtl-optimization/26316
14649 * rtlanal.c (enum may_trap_p_flags): New.
14650 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
14651 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
14652 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
14653 (may_trap_after_code_motion_p): New function.
14654 * loop-invariant.c (find_identical_invariants): Fix dump formating.
14655 (find_invariant_insn): Use may_trap_after_code_motion_p.
14656 * rtl.h (may_trap_after_code_motion_p): Declare.
14658 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
14660 * emit-rtl.c (immed_double_const): Cleanup.
14662 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
14664 Fix PR tree-optimization/26376
14665 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
14668 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14670 PR middle-end/26412
14671 * gimplify.c (omp_add_variable): Guard variable size decl test with
14672 DECL_SIZE (decl) check.
14674 2006-02-23 Richard Guenther <rguenther@suse.de>
14676 PR middle-end/26439
14677 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
14678 like aggregate types.
14680 2006-02-23 Jakub Jelinek <jakub@redhat.com>
14682 * configure.ac: Add --with{,out}-long-double-128 configure option.
14683 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
14684 * configure: Rebuilt.
14685 * config.in: Rebuilt.
14686 * doc/install.texi (Options specification): Document
14687 --with-long-double-128.
14689 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14690 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14691 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
14692 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
14694 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
14696 * config/s390/s390.c (override_options): Handle
14697 TARGET_DEFAULT_LONG_DOUBLE_128.
14699 * config/alpha/alpha.c (override_options): Handle
14700 TARGET_DEFAULT_LONG_DOUBLE_128.
14702 * config/sparc/sparc.c (sparc_override_options): Handle
14703 TARGET_DEFAULT_LONG_DOUBLE_128.
14705 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
14707 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
14708 (real-install-headers-tar, real-install-headers-cpio)
14709 (real-install-headers-cp): New targets.
14711 2006-02-22 Richard Sandiford <richard@codesourcery.com>
14713 * tree.h (variable_section): Delete.
14714 * varasm.c (variable_section): Delete.
14716 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
14718 * install.texi: Add notes on install.texi2html.
14719 (Building in parallel): Do not use footnotes.
14721 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
14724 * doc/install.texi (Configuration): Document --disable-libgomp.
14726 2006-02-21 Geoffrey Keating <geoffk@apple.com>
14728 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
14730 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14732 * config/i386/sse.md (vec_extractv2df_1_sse): New.
14733 (vec_extractv2df_0_sse): New.
14735 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
14737 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
14738 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
14739 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
14740 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
14741 to the result of the expression.
14742 (def_cfa_1): Adjust.
14743 (frame_pointer_cfa_offset): Rename to...
14744 (frame_pointer_fb_offset): ... this. Adjust all uses.
14745 (convert_cfa_to_loc_list): Rename to...
14746 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
14747 Pass it on to build_cfa_loc.
14748 (compute_frame_pointer_to_cfa_displacement): Rename to...
14749 (compute_frame_pointer_to_fb_displacement): ... this. New
14750 offset parameter. Use it in computation.
14751 (gen_subprogram_die): Compute cfa_fb_offset with the new
14752 macro, and use it to compute the fb loc list and the
14755 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
14757 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
14758 replaced with register_operand.
14759 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
14760 non-DREG is expensive.
14761 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
14762 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
14765 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
14767 * doc/install.texi2html: Use set -e.
14769 2006-02-21 Richard Sandiford <richard@codesourcery.com>
14771 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14772 (ASM_OUTPUT_SHARED_LOCAL): Delete.
14773 * doc/invoke.texi (-fshared-data): Delete.
14774 * common.opt (fshared-data): Delete.
14775 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
14776 (assemble_static_space): Remove #if 0 code.
14777 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
14778 (ASM_OUTPUT_SHARED_LOCAL): Poison.
14779 * config/cris/cris.h: Remove FIXME.
14781 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
14783 * doc/sourcebuild.texi (Front End Directory): No more double-colon
14786 2006-02-21 Jakub Jelinek <jakub@redhat.com>
14788 PR middle-end/26379
14789 * combine.c (simplify_shift_const_1): Disable nested shifts
14790 optimization for vector shifts.
14792 2006-02-20 Roger Sayle <roger@eyesopen.com>
14794 PR tree-optimization/26361
14795 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
14796 of unsigned integer types.
14798 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
14800 * tree-chrec.c (eq_evolutions_p): New.
14801 * tree-chrec.h (eq_evolutions_p): Declared.
14802 * tree-data-ref.c: Fix formatting.
14803 (datadep_stats, dependence_stats): New.
14805 (print_direction_vector): New.
14806 (dump_data_dependence_relation): Use print_direction_vector.
14807 (object_analysis, create_data_ref): Handle COMPONENT_REF.
14808 (compute_subscript_distance): Static.
14809 (initialize_data_dependence_relation): Static. Get the number
14810 of loops surrounding the references from the callers, and initialize
14811 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
14812 base_object_differ_p analyzers.
14813 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
14814 compute_overlap_steps_for_affine_1_2,
14815 analyze_subscript_affine_affine): Count the classified dependences.
14816 Print a message when a test failed.
14817 (can_use_analyze_subscript_affine_affine): New.
14818 (analyze_siv_subscript): Compute the data dependences on symbolic
14819 scevs that verify can_use_analyze_subscript_affine_affine.
14820 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
14821 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
14822 Handle symbolic scevs.
14823 (analyze_overlapping_iterations): Let symbolic affine scevs to be
14825 (subscript_dependence_tester): Moved...
14826 (build_classic_dist_vector, build_classic_dir_vector): Don't use
14827 lambda_vector_clear on newly allocated vectors. Get nb_loops from
14828 DDR_SIZE_VECT instead of getting it in parameter.
14829 (subscript_dependence_tester): ... here. Take as a parameter
14830 loop_nest_depth. Call build_classic_dist_vector and
14831 build_classic_dir_vector.
14832 (compute_affine_dependence): Update subscript_dependence_tester
14833 parameters. Update datadep_stats counters. Call
14834 compute_subscript_distance.
14835 (compute_self_dependence): Save the dist and dir vectors. Call
14836 compute_subscript_distance.
14837 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
14838 (compute_all_dependences): Reorder parameters as they were before
14839 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
14840 compute_subscript_distance. Update the use of
14841 compute_affine_dependence and initialize_data_dependence_relation.
14842 (find_data_references_in_loop): Handle COMPONENT_REF.
14843 (compute_data_dependences_for_loop): Initialize dependence_stats.
14844 Don't call build_classic_dist_vector and build_classic_dir_vector.
14845 Update the parameters of initialize_data_dependence_relation and
14846 compute_all_dependences. Print the statistics from datadep_stats.
14847 (analyze_all_data_dependences): Static. Not used until the pass for
14848 checking the data dependences is contributed.
14849 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
14850 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
14851 (initialize_data_dependence_relation, compute_affine_dependence,
14852 analyze_all_data_dependences, compute_subscript_distance): Removed.
14853 (print_direction_vector): New.
14854 * lambda.h (gcd): ... here.
14855 (lambda_vector_gcd): Moved here from gcd_vector.
14856 * lambda-code.c (gcd, gcd_vector): Removed.
14857 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
14858 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
14860 2006-02-20 Diego Novillo <dnovillo@redhat.com>
14862 * ipa-type-escape.c: Tidy some comments and white space.
14863 * tree-ssa-operands.c: Likewise.
14865 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
14868 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
14869 (dump_decl_name): Do not walk the decl tree chains.
14870 * tree-pass.h (TDF_CHAIN): Remove.
14872 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
14874 * Makefile.in (C): Remove
14876 (.PHONY): Remove C and PROTO
14878 2006-02-20 Roger Sayle <roger@eyesopen.com>
14880 PR middle-end/26236
14881 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
14882 deprecated CHAR_TYPE tree code.
14884 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14886 * configure.ac (target_list): Add install-info, dvi, html.
14887 * configure: Regenerate.
14889 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
14890 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
14891 treelang/Make-lang.in: Do not use double-colon rules.
14893 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
14895 * tree.h (struct tree_memory_tag): Add is_used_alone member.
14896 (TMT_USED_ALONE): New macro.
14897 * tree-pass.h (PROP_tmt_usage): New property.
14898 (TODO_update_tmt_usage): New todo.
14899 * tree-ssa-alias.c (updating_used_alone): New variable.
14900 (recalculate_used_alone): New function.
14901 (compute_may_aliases): Set updating_used_alone, call
14902 recalculate_used_alone.
14903 * tree-sra.c (pass_sra): Note that this pass destroys
14904 PROP_tmt_usage, and add TODO_update_tmt_usage.
14905 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
14906 * tree-flow.h (updating_used_alone): Prototype.
14907 (recalculate_used_alone): Ditto.
14908 * passes.c (execute_todo): Add code to set updating_used_alone,
14909 and call recalculate.
14910 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
14911 for clobber if used alone, and add assert to verify used_alone
14914 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
14916 * config/s390/s390.c (legitimize_pic_address): Assertions checking
14917 for non tls symbols added.
14918 (legitimize_address): Do nothing for PLUS expressions if one of the
14919 addends is a tls symbol reference.
14921 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
14925 * Makefile.in (LDFLAGS): Define from autoconf substitution.
14927 * Makefile.in (BOOTSTRAPPING): New.
14928 (quickstrap): New definition if BOOTSTRAPPING=yes.
14930 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
14931 * configure.ac: Substitute all_selected_languages with the languages
14932 that were configured. For all the other variables except
14933 lang_specs_files, include all the languages in the tree.
14934 * configure: Regenerate.
14936 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
14937 if there is one. Run the commands to run fixincludes in the same
14940 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
14941 * doc/install.texi: Document exact conventions for searching target tools.
14942 Document --with-build-time-tools. Document toplevel bootstrap. Document
14943 something more about building an Ada cross-compiler. Don't list GNU Make
14944 requirements which affect all platforms.
14946 2006-02-19 Roger Sayle <roger@eyesopen.com>
14948 PR middle-end/19543
14949 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
14950 only equivalent if the have both the same mode and precision.
14952 2006-02-20 Ben Elliston <bje@au.ibm.com>
14954 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
14956 2006-02-19 Roger Sayle <roger@eyesopen.com>
14957 Steven Bosscher <stevenb.gcc@gmail.com>
14959 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
14960 constant pool references to identify stack mode constants.
14961 * rtlanal.c (constant_pool_constant_p): New predicate to check
14962 whether operand is a floating point constant in the pool.
14963 * rtl.h (constant_pool_constant_p): Prototype here.
14964 * loop.c (scan_loop): Avoid hoisting constants from the constant
14965 pool on STACK_REGS targets.
14966 (load_mems): Likewise.
14967 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
14968 loads into x87 registers expensive in terms of register pressure.
14970 2006-02-19 Roger Sayle <roger@eyesopen.com>
14972 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
14973 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
14975 2006-02-19 David Edelsohn <edelsohn@gnu.org>
14977 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
14978 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
14980 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
14982 * doc/invoke.texi: Document -fipa-pta.
14983 * common.opt: Add ipa-pta option.
14984 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
14985 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
14986 (do_ds_constraint): Ditto.
14987 (get_constraint_for): Only add to referenced_vars if
14988 referenced_vars exists.
14989 (insert_into_field_list): Rewrite to do this unsorted.
14990 (insert_into_field_list_sorted): Rename old insert_into_field_list
14992 (create_function_info_for): Use insert_into_field_list_sorted.
14993 (create_variable_info_for): Rewrite so it uses unsorted version,
14994 since the field list is sorted.
14995 (intra_create_variable_infos): Only add to referenced_vars if
14996 referenced_vars exists.
14997 (ipa_pta_execute): Init heapvars, and delete when done.
14998 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
15000 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15002 * doc/install.texi: Add missing `@samp'.
15004 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15006 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
15009 2006-02-18 Mark Wielaard <mark@klomp.org>
15011 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
15012 who added new 4.1 features, bug fixes and integration support.
15014 2006-02-18 David Edelsohn <edelsohn@gnu.org>
15017 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
15018 MEM for ABI_V4 pic.
15020 2006-02-18 Richard Sandiford <richard@codesourcery.com>
15022 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
15023 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
15024 (copy_insn_1): Likewise. Don't copy each field individually.
15026 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
15028 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
15029 * rtl.c (rtx_size): Rename variable to...
15030 (rtx_code_size): ...this.
15031 (rtx_size): New function.
15032 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
15033 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
15035 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
15036 * rtl.h (rtx_code_size): New variable.
15037 (rtx_size): Change from a variable to a function.
15038 (RTX_SIZE): Rename to...
15039 (RTX_CODE_SIZE): ...this.
15042 PR tree-optimization/17106
15043 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
15044 (Anchored Addresses): New section.
15045 * doc/invoke.texi (-fsection-anchors): Document.
15046 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
15047 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
15048 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
15049 * hooks.c (hook_bool_mode_rtx_false): New function.
15050 * hooks.h (hook_bool_mode_rtx_false): Declare.
15051 * gengtype.c (create_optional_field): New function.
15052 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
15053 SYMBOL_REF_IN_BLOCK_P is true.
15054 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
15055 (min_anchor_offset, max_anchor_offset): Likewise.
15056 (use_anchors_for_symbol_p): New hook.
15057 * toplev.c (compile_file): Call output_object_blocks.
15058 (target_supports_section_anchors_p): New function.
15059 (process_options): Check that -fsection-anchors is only used on
15060 targets that support it and when -funit-at-a-time is in effect.
15061 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
15062 if the decl doesn't have one.
15063 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
15064 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
15065 of force_const_mem through use_anchored_address.
15066 (expand_expr_constant): New function.
15067 (expand_expr_addr_expr_1): Call it. Use the same modifier when
15068 calling expand_expr for INDIRECT_REF.
15069 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
15070 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
15071 * expr.h (use_anchored_address): Declare.
15072 * loop-unroll.c: Don't declare rtx vectors here.
15073 * explow.c: Include output.h.
15074 (validize_mem): Call use_anchored_address.
15075 (use_anchored_address): New function.
15076 * common.opt (-fsection-anchors): New switch.
15077 * varasm.c (object_block_htab, anchor_labelno): New variables.
15078 (hash_section, object_block_entry_eq, object_block_entry_hash)
15079 (use_object_blocks_p, get_block_for_section, create_block_symbol)
15080 (use_blocks_for_decl_p, change_symbol_section): New functions.
15081 (get_variable_section): New function, split out from assemble_variable.
15082 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
15083 use_blocks_for_decl_p say so. Use change_symbol_section if the
15084 symbol has already been created.
15085 (assemble_variable_contents): New function, split out from...
15086 (assemble_variable): ...here. Don't output any code for
15087 block symbols; just pass them to place_block_symbol.
15088 Use get_variable_section and assemble_variable_contents.
15089 (get_constant_alignment, get_constant_section, get_constant_size): New
15090 functions, split from output_constant_def_contents.
15091 (build_constant_desc): Create a block symbol if use_object_blocks_p
15092 says so. Or into SYMBOL_REF_FLAGS.
15093 (assemble_constant_contents): New function, split from...
15094 (output_constant_def_contents): ...here. Don't output any code
15095 for block symbols; just pass them to place_section_symbol.
15096 Use get_constant_section and get_constant_alignment.
15097 (force_const_mem): Create a block symbol if use_object_blocks_p and
15098 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
15099 (output_constant_pool_1): Add an explicit alignment argument.
15100 Don't switch sections here.
15101 (output_constant_pool): Adjust call to output_constant_pool_1.
15102 Switch sections here instead. Don't output anything for block symbols;
15103 just pass them to place_block_symbol.
15104 (init_varasm_once): Initialize object_block_htab.
15105 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
15106 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
15107 (place_block_symbol, get_section_anchor, output_object_block)
15108 (output_object_block_htab, output_object_blocks): New functions.
15109 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
15110 (TARGET_ASM_OUT): Include it.
15111 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
15112 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
15113 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
15114 (TARGET_INITIALIZER): Include them.
15115 * rtl.c (rtl_check_failed_block_symbol): New function.
15116 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
15117 (block_symbol, object_block): New structures.
15118 (rtx_def): Add a block_symbol field to the union.
15119 (BLOCK_SYMBOL_CHECK): New macro.
15120 (rtl_check_failed_block_symbol): Declare.
15121 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
15122 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
15123 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
15124 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
15125 * output.h (output_section_symbols): Declare.
15126 (object_block): Name structure.
15127 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
15128 (default_use_anchors_for_symbol_p): Declare.
15129 * Makefile.in (RTL_BASE_H): Add vec.h.
15130 (explow.o): Depend on output.h.
15131 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
15132 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
15133 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
15134 (rs6000_use_blocks_for_constant_p): New function.
15136 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15138 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
15140 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
15143 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
15146 2006-02-18 Diego Novillo <dnovillo@redhat.com>
15148 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
15152 2006-02-18 Jakub Jelinek <jakub@redhat.com>
15154 PR middle-end/26334
15155 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
15156 instead of DECL_REGISTER.
15158 2006-02-18 Olivier Hainque <hainque@adacore.com>
15161 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
15163 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
15166 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
15167 * opth-gen.awk: Handle Var and InverseMask together.
15168 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
15169 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
15170 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
15171 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
15173 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15174 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15175 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
15176 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15177 LINUX_DYNAMIC_LINKER): Define.
15178 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
15179 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
15181 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15182 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
15183 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15184 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15185 (TARGET_C99_FUNCTIONS): Don't define.
15186 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
15187 GLIBC_DYNAMIC_LINKER.
15188 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
15189 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
15190 GLIBC_DYNAMIC_LINKER64): Define.
15191 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15192 LINUX_DYNAMIC_LINKER64.
15193 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15194 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15195 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
15196 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15197 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15198 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15199 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
15200 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
15201 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
15202 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
15203 and LINUX_DYNAMIC_LINKER32.
15204 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15205 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15206 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
15207 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15208 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
15210 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
15211 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
15212 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
15213 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15214 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15215 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
15216 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
15217 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
15218 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15219 LINUX_DYNAMIC_LINKER): Define.
15220 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
15221 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
15222 GLIBC_DYNAMIC_LINKER64): Define.
15223 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
15224 LINUX_DYNAMIC_LINKER64.
15225 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15226 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15227 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
15228 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
15229 LINUX_DYNAMIC_LINKER): Define.
15230 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15231 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15232 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
15233 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
15234 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
15235 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
15236 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
15237 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
15238 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
15239 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15240 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15241 * doc/invoke.texi (-muclibc): Remove caveat about supported
15244 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
15246 * doc/cpp.texi (__TIMESTAMP__): Document.
15248 2006-02-17 Roger Sayle <roger@eyesopen.com>
15250 PR middle-end/25600
15251 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
15252 C is one less than the width of X (and related transformations).
15253 * simplify-rtx.c (simplify_unary_operation_1): Transform
15254 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
15255 depending on STORE_FLAG_VALUE, were C is one less then the
15258 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
15260 Fix PR tree-optimization/26341
15261 * tree-ssa-operands.c (add_virtual_operand): Remove assert
15262 about NAME_MEMORY_TAG's.
15264 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15267 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
15268 with hardware float support, and software float support. Add fcpy
15269 alternative to hardware patterns. Add alternatives to copy between
15270 general and floating-point registers to the 32-bit pattern.
15271 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
15272 secondary reload to load a QI or HI mode constant into a floating
15274 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
15275 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
15277 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
15280 * config/rs6000/darwin.md (load_macho_picbase_si): Add
15282 (load_macho_picbase_di): Likewise.
15284 2006-02-16 Jeff Law <law@redhat.com>
15286 * tree-vrp.c (set_value_range_to_nonnegative): New function.
15287 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
15288 (ssa_name_nonzero_p): Likewise.
15289 (get_value_range): Return NULL if VRP is not running.
15290 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
15291 VRP routines do not discover a range.
15292 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
15293 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
15294 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
15295 (tree_expr_nonnegative_p): Similarly.
15296 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
15297 (restore_nonzero_vars_to_original_value): Remove.
15298 (unsafe_associative_fp_binop): Remove.
15299 (tree_ssa_dominator_optimize): Remove initialization and
15300 finalization of nonzero_vars and nonzero_vars_stack.
15301 (dom_opt_initialize_block): No longer push marker on
15302 nonzero_vars_stack.
15303 (dom_opt_finalize_block): No longer call
15304 restore_nonzero_vars_to_original_value.
15305 (record_equivalences_from_phis): No longer look for
15306 nonzero PHI arguments.
15307 (cprop_into_successor_phis): No longer propagate nonzero
15308 property into PHI arguments. Lose unused argument. Caller
15310 (record_equivalences_from_stmt): No longer record nonzero
15311 values for SSA_NAMEs.
15312 (lookup_avail_expr): No longer use nonzero_vars.
15314 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
15315 for sizetype when sizetype is unsigned.
15317 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
15319 PR rtl-optimization/25603
15320 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
15321 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
15322 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
15323 with new meaning of SETS.
15325 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
15330 * config/linux.opt: New file.
15331 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
15332 LINUX_DYNAMIC_LINKER): Define.
15333 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
15334 * config.gcc (*-*-linux*): Define extra_options.
15335 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
15336 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
15337 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
15338 GLIBC_DYNAMIC_LINKER.
15339 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
15340 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15341 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
15342 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
15343 * doc/invoke.texi (GNU/Linux Options): New section.
15345 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
15347 * config/sparc/sparc.md (setjmp): Rewrite.
15348 (setjmp_32): Delete.
15349 (setjmp_64): Likewise.
15351 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
15353 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
15356 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15358 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
15361 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
15363 PR rtl-optimization/26296
15364 * Makefile.in (loop-invariant.c): Add except.h dependency.
15365 * loop-invariant.c: Include except.h.
15366 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
15368 2005-02-16 Paul Brook <paul@codesourcery.com>
15370 * reload1.c (emit_reload_insns): Invalidate dead input registers used
15373 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
15375 PR rtl-optimization/25636
15376 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
15377 when deciding whether an insn is an initializing insn.
15379 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
15381 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
15382 (tree_code_size): Ditto.
15383 * tree.h (struct tree_memory_tag): Remove parent_var.
15384 (struct tree_struct_field_tag): New.
15387 (union tree_node): Add sft member.
15388 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
15390 (create_sft): Add size and offset argument, set SFT_OFFSET and
15392 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
15393 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
15394 * tree-flow-inline.h (get_subvar_at): Update for
15395 SFT_OFFSET/SFT_SIZE.
15396 (var_can_have_subvars): Ditto.
15397 (overlap_subvar): Ditto.
15398 * print-tree.c (print_node): Print out interesting things for
15400 * tree-flow.h (struct subvar): Remove offset and size members.
15401 * tree-ssa-operands.c (get_expr_operands): Update for
15402 get_indirect_ref_operands changes.
15403 (get_indirect_ref_operands): Call add_virtual_operand instead of
15404 add_stmt_operand. Only recurse on base var if requested.
15405 (access_can_touch_variable): New function.
15406 (add_stmt_operand): Split virtual operand handling into ...
15407 (add_virtual_operand): Here. Add offset, size, and for_clobber
15408 arguments. Prune alias sets.
15409 (add_call_clobber_ops): Call add_virtual_operand.
15411 2006-02-15 Jakub Jelinek <jakub@redhat.com>
15413 PR middle-end/26300
15414 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
15416 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
15417 than TREE_CODE as index into omp_clause_num_ops array.
15419 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
15421 PR rtl-optimization/26184
15422 * modulo-sched.c (generate_reg_moves): Free bitmap vector
15424 * modulo-sched.c (sms_schedule): Free g_arr pointer.
15425 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
15426 must_precede, must_follow and tobe_scheduled.
15429 * opts.c (common_handle_option): Free new_option pointer.
15430 * df-core.c (df_analyze): Free postorder pointer.
15432 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
15434 * Makefile.in: Fix the examples about the use of stamps
15436 2006-02-15 Michael Matz <matz@suse.de>
15438 PR middle-end/22275
15440 * stor-layout.c (layout_decl): Zero-width bitfields aren't
15441 influenced by maximum_field_alignment or DECL_PACKED.
15442 (update_alignment_for_field): Ditto.
15443 (place_field): Ditto.
15444 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
15447 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
15449 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
15450 (debug_flow_info): Pass it.
15451 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
15452 * bb-reorder.c (reorder_basic_blocks): Likewise.
15453 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
15454 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
15455 * flow.c (life_analysis, recompute_reg_usage): Likewise.
15456 * gcse.c (gcse_main, bypass_jumps): Likewise.
15457 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
15458 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
15459 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
15460 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
15461 * rtl.h (dump_flow_info): Adjust prototype.
15462 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
15463 * var-tracking.c (variable_tracking_main): Likewise.
15464 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
15465 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
15468 2006-02-15 Marcin Dalecki <martin@dalecki.de>
15470 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
15473 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15475 PR tree-optimization/26209
15476 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
15477 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
15479 * tree-cfg.c (replace_uses_by): Do not alter cfg.
15481 2006-02-14 Roger Sayle <roger@eyesopen.com>
15483 PR middle-end/23670
15484 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
15485 (X,Y) and the corresponding symmetry related transformations.
15486 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
15487 (X,Y) and its symmetry related transformations.
15489 2006-02-14 Roger Sayle <roger@eyesopen.com>
15491 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
15494 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
15496 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
15498 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15501 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
15502 support COMDAT group.
15503 * configure: Regenerate.
15505 2006-02-14 Roger Sayle <roger@eyesopen.com>
15507 PR middle-end/26279
15508 PR middle-end/26280
15509 PR middle-end/26283
15510 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
15512 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
15514 Fix PR tree-optimization/26260
15516 * doc/invoke.texi (max-fields-for-field-sensitive): Document
15518 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
15519 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
15520 * tree-ssa-structalias.c (create_variable_info_for): Use
15521 MAX_FIELDS_FOR_FIELD_SENSITIVE.
15523 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
15525 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
15527 * tree-ssa-loop-niter.c (number_of_iterations_ne,
15528 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
15529 of the ending condition.
15530 * tree-ssa-loop-manip.c: Include params.h.
15531 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
15532 tree_unroll_loop): New functions.
15533 * tree-pass.h (pass_loop_prefetch): Declare.
15534 * loop.c (rest_of_handle_loop_optimize): Test for
15535 -fprefetch-loop-arrays-rtl.
15536 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
15537 * timevar.def (TV_TREE_PREFETCH): New timevar.
15538 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
15539 pass_loop_prefetch): New.
15540 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
15541 (cleanup_tree_cfg_loop): Call scev_reset.
15542 * common.opt (fprefetch-loop-arrays-rtl): Add.
15543 * tree-ssa-loop-prefetch.c: New file.
15544 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
15545 (new_temp_expr_table): Initialize expr_vars.
15546 (free_temp_expr_table): Cleanup expr_vars.
15547 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
15548 expressions from being merged into one.
15549 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
15550 (struct tree_niter_desc): Add control, bound and cmp fields.
15551 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
15553 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
15554 (tree-cfgcleanup.o): Add SCEV_H dependency.
15555 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
15556 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
15558 2006-02-14 Richard Guenther <rguenther@suse.de>
15560 PR tree-optimization/26258
15561 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
15562 in PHI argument processing.
15564 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
15566 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
15567 new expression in the requested machine mode.
15569 2006-02-13 Roger Sayle <roger@eyesopen.com>
15571 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
15572 directly, instead let do_compare_rtx_and_jump handle this for us.
15573 * expr.c (expand_expr_real_1): Likewise.
15574 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
15575 before do_jump_by_parts_greater.
15576 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
15577 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
15579 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15581 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
15583 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15585 PR rtl-optimization/26235
15586 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
15587 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
15590 2006-02-13 Jeff Law <law@redhat.com>
15592 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
15595 2006-02-13 Jakub Jelinek <jakub@redhat.com>
15597 PR middle-end/26092
15598 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
15599 twice if decl is a builtin. When trying again, call get_callee_fndecl
15600 first to verify it is still a builtin.
15602 2006-02-13 Geoffrey Keating <geoffk@apple.com>
15604 * dwarf2out.c (base_type_die): Don't add AT_name here.
15605 (subrange_type_die): Don't add AT_name here.
15606 (modified_type_die): Rearrange code flow. Do add AT_name here.
15608 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
15610 PR rtl-optimization/26247
15611 PR rtl-optimization/26248
15612 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
15614 2006-02-13 Richard Sandiford <richard@codesourcery.com>
15616 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
15617 * config/fixtfdi.c: Likewise.
15618 * config/fixunstfdi.c: Likewise.
15619 * config/floatditf.c: Likewise.
15621 2006-02-13 Roger Sayle <roger@eyesopen.com>
15623 PR middle-end/24427
15624 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
15625 into (X,C2) if C1 is a subset of the bits of C2. Transform
15626 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
15628 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
15630 2006-02-13 Josh Conner <jconner@apple.com>
15633 * varasm.c (function_section): Check for section name before
15634 calling select_section on targets that define
15635 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
15636 unlikely_text_section instead of hot_function_section if
15637 first_function_block_is_cold.
15639 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
15641 PR middle-end/25335
15642 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
15644 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15646 PR rtl-optimization/26222
15647 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
15648 after tree->rtl expansion.
15649 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
15650 before passing it to emit_move_insn.
15652 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
15654 * doc/invoke.texi (-Write-strings): Document that it is enabled by
15656 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
15657 Clarify documentation.
15658 * c-common.h (warn_write_strings): Remove.
15659 * c-common.c (warn_write_strings): Likewise.
15660 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
15663 2006-02-12 Roger Sayle <roger@eyesopen.com>
15665 PR middle-end/25724
15666 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
15667 (do_jump_parts_zero_rtx): New function renamed from
15668 do_jump_parts_equality_rtx. Made static. Add a mode argument.
15669 (do_jump_parts_equality_rtx): New function split out from
15670 do_jump_parts_equality. Old implementation renamed as above.
15671 Call do_jump_parts_zero_rtx if either operand is zero.
15672 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
15673 do all of the heavy lifting.
15674 (do_compare_rtx_and_jump): Handle multi-word comparisons by
15675 calling either do_jump_by_parts_greater_rtx or
15676 do_jump_by_parts_equality_rtx.
15677 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
15678 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
15679 moved to do_compare_rtx_and_jump, call it directly.
15680 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
15681 mode argument. Call do_compare_rtx_and_jump.
15682 (emit_case_nodes): Update calls to do_jump_if_equal.
15684 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15686 PR rtl-optimization/26225
15687 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
15689 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
15691 PR rtl-optimization/26232
15692 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
15694 2006-02-11 Jason Merrill <jason@redhat.com>
15697 * tree-inline.c (declare_return_variable): Just don't use the
15698 modify target if it's a gimple complex reg and the return slot
15701 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15703 * doc/contrib.texi: Update my entry.
15705 2006-02-10 Geoffrey Keating <geoffk@apple.com>
15707 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
15709 2006-02-10 Diego Novillo <dnovillo@redhat.com>
15711 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
15714 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
15716 * doc/invoke.texi (-floop-optimize2): Removed.
15717 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
15718 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
15719 Test flag_branch_on_count_reg only if HAVE_doloop_end.
15720 * common.opt (floop-optimize2): Removed.
15721 (fmove-loop-invariants): Enabled by default.
15723 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
15725 * tree-if-conv.c (combine_blocks): Free the result of
15726 get_loop_exit_edges.
15728 2006-02-10 Jeff Law <law@redhat.com>
15730 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
15732 PR tree-optimization/26213
15733 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
15734 loop trying to follow SSA_NAME_VALUE chains.
15736 2006-02-10 Richard Guenther <rguenther@suse.de>
15738 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
15739 deal with structures that end in implicitly variable sized arrays.
15741 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15743 PR rtl-optimization/24762
15744 * df-scan.c (df_bb_refs_record): Record correct registers defined on
15747 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15749 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
15750 (struct ivopts_data): Add regs_used field.
15751 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
15752 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
15753 instead of loop_data->regs_used;
15754 (free_loop_data): Do not free aux fields for loops.
15755 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
15756 and tree_ssa_iv_optimize_finalize.
15758 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
15760 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
15762 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15765 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
15766 computing the effective result type.
15768 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
15770 PR inline-asm/16194
15771 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
15772 (tree_overlaps_hard_reg_set): Declare.
15773 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
15774 type and signature to match function type expected by walk_tree.
15775 (tree_overlaps_hard_reg_set): New function.
15776 (decl_conflicts_with_clobbers_p): Rename to:
15777 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
15778 Use tree_overlaps_hard_reg_set. Changed caller.
15779 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
15780 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
15781 * cris.c (cris_md_asm_clobbers): Likewise.
15783 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
15785 * reload1.c (emit_input_reload_insns): Delete code that tries to
15786 inherit using find_equiv_reg.
15788 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
15790 * c-common.h (flag_const_strings): Don't declare.
15791 * c-common.c (flag_const_strings): Remove.
15792 * c.opt (fconst_strings): Remove.
15793 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
15794 <OPT_Wwrite_strings>: Don't set flag_const_strings.
15795 (c_common_init_options): Don't set flag_const_strings.
15796 * doc/invoke.texi (-fno-const-strings): Remove documentation.
15798 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
15800 * arm.md (tlobits_cbranch): New pattern.
15801 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
15802 testing a single bit.
15804 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15807 * tree-ssa-pre.c (create_component_ref_by_pieces):
15808 Handle RETURN_DECL like VAR_DECL.
15810 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15812 PR middle-end/26134
15813 * fold-const.c (fold_indirect_ref_1): Fold
15814 "*(foo *)&complexfoo" to "__real__ complexfoo"
15815 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
15817 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
15819 * tree-flow-inline.h (var_can_have_subvars):
15820 Volatile variables should not have subvariables.
15822 2006-02-09 Diego Novillo <dnovillo@redhat.com>
15825 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
15826 multiplying unsigned values.
15829 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
15831 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
15833 2006-02-08 Jason Merrill <jason@redhat.com>
15836 * tree.def: Elaborate on difference from MODIFY_EXPR.
15837 * doc/c-tree.texi (INIT_EXPR): Likewise.
15838 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
15839 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
15840 (gimplify_target_expr): Likewise.
15841 (gimplify_cond_expr): Remove target handling.
15842 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
15843 (gimplify_expr): Clobber it here.
15844 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
15845 Do return slot optimization if we have an INIT_EXPR.
15848 * tree-inline.c (declare_return_variable): Also clear
15849 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
15852 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
15854 PR middle-end/22439
15855 * gimplify.c (gimplify_one_sizepos): Fix typo.
15857 2006-02-08 Jeff Law <law@redhat.com>
15859 PR tree-optimization/21417
15860 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
15861 across a backedge if the control statement at the end of the
15862 block is data dependent on other statements in the same block.
15863 (record_temporary_equivalences_from_stmts): Remove over-conservative
15864 test for threading across backedges.
15866 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
15867 control statement, handle all three special cases in the same
15868 manner as they all have the same desired solution. No longer
15869 special case edge flag updating when the post dominator is
15872 2006-02-08 Roger Sayle <roger@eyesopen.com>
15874 * tree.def (CHAR_TYPE): Remove.
15875 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
15876 * dwarf2out.c (base_type_die, is_base_type): Likewise.
15877 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
15878 (gen_string_type_die): Delete unreachable function.
15880 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
15881 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
15882 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
15883 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
15884 * builtins.c (type_to_class): Likewise.
15885 * fold-const.c (fold_convert, build_range_check,
15886 merge_ranges): Likewise.
15887 * expr.c (count_type_elements): Likewise.
15888 * c-pretty-print.c (pp_c_type_specifier): Likewise.
15889 * stor-layout.c (layout_type): Likewise.
15890 * ipa-type-escape.c (type_to_consider): Likewise.
15891 * gimplify.c (omp_firstprivatize_type_sizes,
15892 gimplify_type_sizes): Likewise.
15893 * explow.c (promote_mode): Likewise.
15894 * tree-sra.c (is_sra_scalar_type): Likewise.
15895 * varasm.c (output_constant): Likewise.
15896 * tree-inline.c (remap_type_1): Likewise.
15897 * convert.c (convert_to_pointer, convert_to_real,
15898 convert_to_integer, convert_to_complex): Likewise.
15900 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
15902 * df-scan.c (df_def_record_1): A set destination may
15903 be a parallel regardless of mode.
15905 2006-02-08 Roger Sayle <roger@eyesopen.com>
15908 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
15909 * config/mips/_tilib.c: Remove.
15910 * config/fixtfdi.c: New libgcc source file.
15911 * config/fixunstfdi.c: New source file.
15912 * config/floatditf.c: New source file.
15913 * config/floatunditf.c: New souce file.
15914 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
15915 files above instead of config/mips/_tilib.c.
15916 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
15918 2006-02-08 Jeff Law <law@redhat.com>
15920 PR tree-optimization/26169
15921 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
15924 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
15926 * df.h (DF_REG_SIZE): Return the length of the initialized
15929 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
15931 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
15932 __muldf3): Return a correctly signed zero.
15934 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
15936 * passes.c (register_one_dump_file): Accept the current properties
15937 instead of pass number. Adjust call to dump_register. Remove
15939 (register_dump_files): Now a wrapper around...
15940 (register_dump_files_1): ... this one. Do not modify the pass
15942 (next_pass_1): Cosmetic fix.
15943 (execute_todo): Keep second parameter only. Use curr_properties
15944 instead of fetching it from the pass structure. Check and set
15946 (execute_one_pass): Handle TODO_set_props. Use curr_properties
15947 instead of fetching it from the pass structure. Fix calls to
15948 execute_todo. Update curr_properties and initialize .vcg RTL dump
15949 after running the pass. Reset last_verified.
15950 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
15952 (FIRST_AUTO_NUMBERED_DUMP): New.
15953 (dump_register): Remove "num" parameter, assign it within the
15955 (get_dump_file_name): Modify template for dumps.
15956 * tree-dump.h (dump_register): Adjust prototype.
15957 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
15958 (PROP_trees): Add PROP_gimple_lomp.
15959 (TODO_set_props): New.
15960 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
15961 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
15962 * cfgexpand.c (pass_expand): Destroy PROP_trees.
15964 2006-02-08 Jakub Jelinek <jakub@redhat.com>
15966 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
15967 (sparc64-*-linux*): Likewise.
15968 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
15969 * config/sparc/t-linux: New file.
15970 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
15971 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
15972 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
15973 -m32 -mlong-double-128.
15975 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
15976 * config/alpha/t-linux: New file.
15977 * config/alpha/libgcc-alpha-ldbl.ver: New file.
15979 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
15980 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
15981 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
15982 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
15983 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
15984 (CPP_ARCH32_SPEC): Remove.
15986 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
15988 PR tree-optimization/26145
15989 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
15992 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15995 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
15996 >= 240000 when generating code for SOM runtime.
15997 (output_indirect_call): Don't use "b,l" instruction for indirect calls
15998 to $$dyncall when generating code for SOM runtime..
16000 2006-02-07 Dirk Mueller <dmueller@suse.com>
16003 * doc/invoke.texi (-Wsequence-point): Update documentation
16004 that -Wsequence-point is implemented for C++ as well.
16006 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16008 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
16009 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
16010 (LIB_SPEC): Likewise.
16011 * doc/invoke.texi (SPARC options): Document -pthread.
16013 2006-02-07 Geoffrey Keating <geoffk@apple.com>
16015 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
16018 2006-02-07 Roger Sayle <roger@eyesopen.com>
16020 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
16021 Correct comment describing BOOLEAN_TYPE.
16023 2006-02-07 Dirk Mueller <dmueller@suse.com>
16025 * c.opt: C++ frontend supports -Wdiv-by-zero.
16026 * c-opts.c (c_common_handle_option): Remove dead case.
16028 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16030 * configure.ac (TLS assembler check): Do not enable TLS by
16031 default on SPARC/Solaris before version 10.
16032 * configure: Regenerate.
16034 2006-02-07 David Edelsohn <edelsohn@gnu.org>
16036 * doc/invoke.texi (xl-compat): Document conversion and support
16039 2006-02-07 Jeff Law <law@redhat.com>
16041 * tree-vrp.c (find_conditional_asserts): Update comments.
16042 (simplify_stmt_for_jump_threading): New.
16043 (identify_jump_threads, finalize_jump_threads): New.
16044 (vrp_finalize): Call identify_jump_threads.
16045 (execute_vrp): Call finalize_jump_threads.
16046 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
16047 (vrp_element, vrp_data, vrp_element_p): Remove.
16048 (vrp_hash_elt, vrp_variables_stack): Remove.
16049 (vrp_hash, vrp_eq, record_range): Remove.
16050 (simplify_cond_and_lookup_avail_expr): Remove.
16051 (extract_range_from_cond): Remove.
16052 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
16053 (simplify_stmt_for_jump_threading): New.
16054 (dom_thread_across_edge): New wrapper.
16055 (tree_ssa_dominator_optimize): No longer initialize or
16056 finalize any of the VRP datastructures. Remove iteration
16057 step and simplify as a result of removal of iteration step.
16058 (pass_dominator): Perform a cfg cleanup after DOM.
16059 (dom_opt_finalize_block): Use the new common routines
16060 for threading jumps. Simplify stack management slightly.
16061 No longer need to unwind VRP state.
16062 (record_equivalences_from_incoming_edge): No longer record
16064 (eliminate_redundant_computations): No longer call
16065 simplify_cond_and_lookup_avail_expr.
16066 * tree-flow.h (potentially_threadable_block): Prototype.
16067 (thread_across_edge): Likewise.
16068 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
16069 (tree-ssa-threadedge.o): Add dependencies.
16070 * tree-ssa-threadedge.c: New file.
16071 * passes.c (init_optimization_passes): Merge PHIs before
16072 calling VRP. Run VRP again late in the SSA optimization pipeline.
16074 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
16076 * df-core.c (df_set_blocks): Do not dereference function pointers.
16077 (df_finish1): Likewise.
16078 (df_hybrid_search_forward): Likewise.
16079 (df_hybrid_search_backward): Likewise.
16080 (df_iterative_dataflow): Likewise.
16081 (df_analyze_problem): Likewise.
16082 (df_compact_blocks): Likewise.
16083 (df_dump): Likewise.
16084 * df-scan.c (df_rescan_blocks): Likewise.
16085 (df_record_entry_block_defs): Likewise.
16087 * genconditions.c (write_conditions): Guard the definition of
16088 'insn_conditions' with the check on GCC version.
16089 (write_writer): Guard the traversal 'insn_conditions' with
16090 the check on GCC version.
16092 2006-02-07 Richard Guenther <rguenther@suse.de>
16096 2006-01-30 Richard Guenther <rguenther@suse.de>
16098 * gimplify.c (gimplify_target_expr): Handle easy cases
16099 without creating a temporary.
16101 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
16103 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
16104 use of float in probability computations. Use edge probabilities
16105 in place of statically computed probabilities.
16106 (min_spec_prob): New static variable.
16107 (schedule_insns): Initialize it.
16108 (GET_SRC_PROB): Removed.
16109 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
16111 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
16114 * config/ia64/unwind-ia64.c: Revert last change.
16115 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
16116 (INCOMING_FRAME_SP_OFFSET): Define.
16118 2006-02-06 Roger Sayle <roger@eyesopen.com>
16120 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
16122 2006-02-07 Ben Elliston <bje@au.ibm.com>
16124 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
16125 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
16126 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
16127 (ix86_return_in_memory): Handle TDmode.
16128 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
16129 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
16131 2006-02-06 Richard Sandiford <richard@codesourcery.com>
16133 * reorg.c (dbr_schedule): Use dump_file instead of file.
16135 2006-02-06 Steve Ellcey <sje@cup.hp.com>
16138 * config/ia64/predicates.md (extr_len_operand): New predicate.
16139 * config/ia64/ia64.md (extv): Tighten constraints.
16141 (*tbit_and_2): Ditto.
16142 (*tbit_and_3): Ditto.
16143 (*tbit_or_2): Ditto.
16144 (*tbit_or_3): Ditto.
16145 (*bit_zero): Ditto.
16148 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
16151 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
16153 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
16155 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
16156 loop_optimizer_init and loop_optimizer_finalize
16157 * tree-ssa-sink.c (execute_sink_code): Ditto.
16158 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
16159 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
16160 tree_ssa_loop_done): Ditto.
16161 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
16162 * sched-ebb.c: Include output.h.
16163 (schedule_ebbs): Do not use dump argument.
16164 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
16165 * loop.c (loop_dump_stream): Removed.
16166 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
16168 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
16169 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
16170 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
16171 loop_iterations, strength_reduce, record_biv, record_giv,
16172 final_giv_value, check_final_value, check_ext_dependent_givs,
16173 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
16174 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
16175 dump_file instead of loop_dump_stream.
16176 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
16177 argument dump_file.
16178 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
16180 * flow.c (life_analysis, rest_of_handle_life): Ditto.
16181 * haifa-sched.c: Include output.h
16182 (schedule_insns, sched_init): Do not use dump argument.
16183 * mode-switching.c (optimize_mode_switching): Ditto.
16184 * modulo-sched.c (stats_file): Removed.
16185 (print_node_sched_params): Do not call argument dump_file.
16186 (sms_schedule_by_order, loop_canon_p, sms_schedule,
16187 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
16189 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
16191 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
16192 rtl_loop_init, rtl_loop_done): Ditto.
16193 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
16194 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
16196 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
16197 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
16198 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
16199 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
16200 * emit-rtl.c (renumber_insns): Ditto.
16201 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
16202 expand_gimple_basic_block, tree_expand_cfg): Ditto.
16203 * regclass.c (regclass): Ditto.
16204 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
16205 remove_ssa_form, rewrite_out_of_ssa): Ditto.
16206 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
16207 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
16209 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
16210 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
16212 * gcse.c (gcse_file, debug_stderr): Removed.
16213 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
16214 rest_of_handle_gcse): Do not use dump argument.
16215 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
16216 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
16217 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
16218 compute_code_hoist_vbeinout, compute_code_hoist_data,
16219 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
16220 compute_store_table, build_store_vectors, insert_insn_start_bb,
16221 insert_store, remove_reachable_equiv_notes, replace_store_insn,
16222 store_motion): Use dump_file instead of gcse_file.
16223 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
16224 * profile.c (profile_dump_file): Removed.
16225 (branch_prob): Use dump_file instead of profile_dump_file.
16226 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
16228 * tree-ssa-copy.c (dump_copy_of): Ditto.
16229 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
16230 dump file to life_analysis.
16231 * bt-load.c (branch_target_load_optimize): Ditto.
16232 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
16234 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
16235 regclass, dbr_schedule): Declaration changed.
16236 * sched-int.h (sched_init): Declaration changed.
16237 * tree-profile.c (tree_profile_dump_file): Removed.
16238 (tree_profile_hooks): Removed profile_dump_file hook.
16239 * rtl-profile (rtl_profile_dump_file): Removed.
16240 (rtl_profile_hooks): emoved profile_dump_file hook.
16241 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
16243 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
16244 * tree-cfg.c (build_tree_cfg): Ditto.
16245 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
16246 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
16247 Declaration changed.
16248 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
16249 life_analysis and schedule_insns.
16250 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
16252 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
16254 * config/mips/mips.c (mips_reorg): Ditto.
16255 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
16258 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
16260 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16261 (s390_mangle_fundamental_type): New.
16262 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16265 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16266 (alpha_mangle_fundamental_type): New.
16267 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16270 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16272 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
16274 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
16275 (sparc_mangle_fundamental_type): New.
16277 2006-02-06 Jakub Jelinek <jakub@redhat.com>
16279 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
16280 (s390x-*-linux*): Likewise.
16281 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
16282 * config/s390/t-linux: New file.
16284 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16286 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
16287 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
16289 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
16291 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
16292 (ANTIC_SAFE_LOADS): New macro.
16293 (find_or_generate_expression): Add prototype.
16294 (set_contains_value): Allow null set for sake of not always having
16295 to allocate ANTIC_SAFE_LOADS.
16296 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
16297 Allow COMPONENT_REF too.
16298 (valid_in_set): Allow COMPONENT_REF.
16299 Check ANTIC_SAFE_LOADS too.
16300 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
16301 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
16303 (can_PRE_operation): Add COMPONENT_REF.
16304 (create_component_ref_by_pieces): New function.
16305 (create_expression_by_pieces): Use create_component_ref_by_pieces.
16306 (insert_aux): Move AGGREGATE_TYPE_P check here.
16307 (compute_avail): Set bb local stmt uids.
16308 (pass_pre): Use TODO_update_ssa_only_virtuals.
16310 2006-02-06 Ben Elliston <bje@au.ibm.com>
16312 * configure.ac: Unconditionally disable decimal float by default.
16313 * configure: Regenerate.
16315 2006-02-06 Ben Elliston <bje@au.ibm.com>
16317 * read-rtl.c (read_name): Terminate reading on EOF.
16319 2006-02-06 Ben Elliston <bje@au.ibm.com>
16321 * dfp.c (decimal_real_arithmetic): Change second argument type
16322 from int to enum tree_code. Do not always return true, but now
16323 return result of any call to decimal_do helper functions.
16324 * dfp.h (decimal_real_arithmetic): Update prototype.
16326 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
16328 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
16330 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
16333 * tree-cfg.c (cleanup_dead_labels): Also don't remove
16336 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16338 * tree-vrp.c (cfg_loops): Removed.
16339 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
16340 Use current_loops instead of cfg_loops. Pass flags to
16341 loop_optimizer_init.
16342 * cfgloopmanip.c (fix_loop_structure): Update only available
16344 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
16345 loop_optimizer_init.
16346 * modulo-sched.c (build_loops_structure): Removed.
16347 (sms_schedule): Use loop_optimizer_init.
16348 * loop-init.c (loop_optimizer_init): Use flags to determine
16349 which properties of loops to prepare.
16350 (rtl_loop_init): Pass flags to loop_optimizer_init.
16351 * tree-ssa-sink.c (execute_sink_code): Ditto.
16352 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
16353 * tree-ssa-pre.c (init_pre): Ditto.
16354 * cfgloop.h (LOOPS_NORMAL): New.
16355 (loop_optimizer_init): Declaration changed.
16357 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16359 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
16360 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
16362 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
16364 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
16366 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
16367 * pa/t-pa64: Delete quadlib.c rule.
16368 * pa/x-ada: Revert last change.
16369 * pa/t-pa: Revert last change. Delete quadlib.c rule.
16371 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
16373 PR rtl-optimization/26087
16374 * rtlanal.c (canonicalize_condition): Do not cross basic block
16377 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
16380 * config/ia64/ia64.c: Include debug.h.
16381 (MAX_ARTIFICIAL_LABEL_BYTES): New.
16382 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
16383 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
16384 (process_epilogue, process_set, process_for_unwind_directive):
16385 Output unwind info only if requested. Add CFA info if requested.
16386 Add new arguments as needed. Adjust callers.
16387 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
16389 (DWARF2_FRAME_INFO): Define to zero.
16390 * config/ia64/unwind-ia64.c: Remove code that compensated for
16391 the CFA offset error fixed above.
16392 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
16393 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
16394 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
16395 -funwind-tables and -fexceptions to enable frame info.
16396 (dwarf2out_frame_init): Define initial CFA even if
16397 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
16398 DWARF2_UNWIND_INFO is nonzero, not just defined.
16399 (dwarf2out_frame_finish): Output non-EH call frame info only
16400 if DWARF2_FRAME_INFO is nonzero.
16401 (convert_cfa_to_loc_list,
16402 compute_frame_pointer_to_cfa_displacement): Define even if
16403 unwind info is not supported.
16404 (gen_subprogram_die): Use the above unconditionally. Remove
16405 legacy alternate code.
16406 * toplev.c (compile_file): Compile in call to
16407 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
16408 (lang_dependent_init): Ditto for dwarf2out_frame_init.
16410 2006-02-04 David Edelsohn <edelsohn@gnu.org>
16411 Jakub Jelinek <jakub@redhat.com>
16413 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
16414 IBM extended float format long double as "g" on powerpc*-linux.
16416 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16419 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
16420 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
16422 2006-02-03 Jason Merrill <jason@redhat.com>
16425 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
16427 PR middle-end/25977
16428 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
16429 on the return slot if it's an NRV.
16431 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
16433 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
16434 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
16435 rewrite_use): Do not handle USE_OUTER.
16436 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
16437 add_iv_outer_candidates, may_replace_final_value,
16438 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
16439 (find_interesting_uses_op): Functionality of
16440 find_interesting_uses_outer_or_nonlin moved here.
16441 (find_interesting_uses_outside): Use find_interesting_uses_op.
16443 2006-02-03 Alan Modra <amodra@bigpond.net.au>
16446 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
16448 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
16449 Ulrich Weigand <uweigand@de.ibm.com>
16452 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
16453 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
16454 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
16455 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
16457 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
16458 (s390_rtx_costs): Use the new fields to calculate rtx costs.
16459 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
16460 Define secondary reloads for TFmode moves.
16461 (constant_modes): Add TFmode.
16462 (NR_C_MODES): Set to 8.
16463 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
16465 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
16466 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
16467 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
16468 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
16469 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
16470 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
16471 (FPR mode macro): Add TFmode.
16472 (DSF mode macro): New.
16473 (<de>, <dee> mode attributes): Removed.
16474 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
16475 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
16476 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
16477 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
16478 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
16479 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
16480 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
16481 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
16482 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
16483 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
16484 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
16485 "*negabs<mode>2", "sqrt<mode>2"):
16486 Changed <de> to <xde>. R constraint replaced by <Rf>.
16487 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
16489 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
16490 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
16491 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
16493 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
16494 "extenddftf2", "extendsftf2"): New expanders.
16495 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
16496 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
16497 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
16498 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
16500 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
16501 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
16502 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
16503 __floatditf): Add a GCC_4.1.0 symbol version tag.
16504 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
16507 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
16510 * config/i386/i386.c (ix86_function_ok_for_sibcall):
16511 Use targetm.binds_local_p instead of TREE_PUBLIC.
16513 2006-02-02 Roger Sayle <roger@eyesopen.com>
16515 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
16516 on INTEGER_TYPEs to indicate that it denotes a character type.
16517 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
16518 signed_char_type_node, unsigned_char_type_node and char_type_node.
16519 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
16520 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
16521 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
16523 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
16524 Daniel Berlin <dberlin@dberlin.org>
16526 * tree-tailcall.c (arg_needs_copy_p): New function.
16527 (eliminate_tail_call): Use arg_needs_copy_p.
16528 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
16529 (add_virtual_phis): New function.
16531 2006-02-02 Jakub Jelinek <jakub@redhat.com>
16533 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
16534 #ignore instead of #scratch for %g7 .register directive.
16536 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
16538 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
16541 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
16543 * flow.c (calculate_global_regs_live): Assert that there aren't any
16546 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
16548 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
16549 what its name says.
16550 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
16551 bsi_after_labels iterator.
16552 * tree-if-conv.c (find_phi_replacement_condition,
16553 replace_phi_with_cond_modify_expr): Likewise.
16554 * tree-scalar-evolution.c (scev_const_prop): Likewise.
16555 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
16557 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16559 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
16561 2006-02-02 Diego Novillo <dnovillo@redhat.com>
16564 * tree-cfg.c (move_block_to_fn): Clear out the basic block
16565 array after growing it.
16567 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16569 PR middle-end/24901
16570 * fold-const.c (fold_checksum_tree): Change type of buf.
16572 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
16574 * reload.c (push_secondary_reload): Initialize t_icode.
16576 2006-02-01 Jakub Jelinek <jakub@redhat.com>
16578 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
16579 -msoft-float -mlong-double-128 only issue a warning, but don't
16580 swich to DFmode long double.
16582 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
16584 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
16585 has a constant equivalent, iterate over equivalents for arg0,
16586 calling simplify_relational_operation and if there's a result
16587 cheaper than X, apply fold_rtx and return the result.
16589 2006-02-01 Jan Hubicka <jh@suse.cz>
16591 * opts.c (no_unit_at_a_time_default): New global variable.
16592 (decode_options): Use it.
16593 * opts.h (no_unit_at_a_time_default): Declare.
16595 2006-02-01 Paul Brook <paul@codesourcery.com>
16597 * function.c (assign_parm_setup_reg): Use function argument promotion
16599 * expr.c (expand_expr_real_1): Use function argument promotion rules
16602 2006-02-01 Steve Ellcey <sje@cup.hp.com>
16604 * gcc.c (process_command): Change j to 'unsigned int'.
16606 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16608 PR middle-end/26001
16609 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
16610 Use the corrected index for the character
16611 out of the string constant.
16613 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16615 * mode-switching.c (optimize_mode_switching): Fix size
16616 allocated for bb_info[n_entities].
16618 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
16620 * gcc.c (main): Correct type that is allocated for
16621 explicit_link_files.
16623 2006-01-31 Jakub Jelinek <jakub@redhat.com>
16625 * config/s390/s390.c (init_alignment_context): Set
16626 ALIAS_SET_MEMORY_BARRIER on the MEM.
16627 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
16629 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
16631 PR middle-end/25933
16632 * loop-unroll.c (unroll_loop_runtime_iterations): Free
16634 * tree-ssa-live.c (type_var_init): Allocate bitmap after
16637 2006-01-31 Marcin Dalecki <martin@dalecki.de>
16639 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
16640 * regrename.c: Ditto.
16641 * tree-ssa-loop-im.c: Ditto.
16642 * tree-dump.c: Ditto.
16643 * tree-complex.c: Ditto.
16644 * genrecog.c: Ditto.
16645 * tree-ssa-threadupdate.c: Ditto.
16647 * java/class.c: Ditto.
16648 * java/jcf-parse.c: Ditto.
16649 * java/resource.c: Ditto.
16650 * java/except.c: Ditto.
16651 * java/jvspec.c: Ditto.
16652 * java/jcf-write.c: Ditto.
16653 * java/jcf-path.c: Ditto.
16654 * java/gjavah.c: Ditto.
16655 * java/zextract.c: Ditto.
16656 * java/jcf-io.c: Ditto.
16657 * java/jcf.h: Ditto.
16658 * java/buffer.c: Ditto.
16659 * java/lang.c: Ditto.
16660 * java/parse-scan.y: Ditto.
16661 * java/lex.c: Ditto.
16662 * java/lex.h: Ditto.
16663 * cfgloopmanip.c: Ditto.
16664 * postreload-gcse.c: Ditto.
16665 * tree-ssa-loop-manip.c: Ditto.
16666 * postreload.c: Ditto.
16667 * tree-ssa-loop-ch.c: Ditto.
16670 * cppspec.c: Ditto.
16671 * diagnostic.c: Ditto.
16673 * genoutput.c: Ditto.
16675 * cfghooks.c: Ditto.
16676 * cfgloopanal.c: Ditto.
16677 * objc/objc-act.c: Ditto.
16679 * genextract.c: Ditto.
16680 * genautomata.c: Ditto.
16681 * pretty-print.c: Ditto.
16682 * genemit.c: Ditto.
16683 * cgraphunit.c: Ditto.
16685 * df-scan.c: Ditto.
16686 * haifa-sched.c: Ditto.
16687 * dominance.c: Ditto.
16689 * tree-ssa-loop-ivopts.c: Ditto.
16690 * df-core.c: Ditto.
16691 * mode-switching.c: Ditto.
16692 * modulo-sched.c: Ditto.
16694 * ipa-pure-const.c: Ditto.
16696 * fix-header.c: Ditto.
16698 * tree-stdarg.c: Ditto.
16699 * ipa-utils.c: Ditto.
16700 * loop-init.c: Ditto.
16701 * ipa-inline.c: Ditto.
16702 * cfganal.c: Ditto.
16704 * alloc-pool.c: Ditto.
16705 * dwarf2out.c: Ditto.
16707 * genattrtab.c: Ditto.
16708 * tree-ssa-loop-ivcanon.c: Ditto.
16709 * predict.c: Ditto.
16710 * timevar.c: Ditto.
16712 * fortran/gfortranspec.c: Ditto.
16713 * regmove.c: Ditto.
16714 * local-alloc.c: Ditto.
16715 * langhooks.c: Ditto.
16716 * function.c: Ditto.
16717 * tree-vectorizer.c: Ditto.
16719 * ipa-type-escape.c: Ditto.
16721 * tree-if-conv.c: Ditto.
16722 * profile.c: Ditto.
16724 * tree-data-ref.c: Ditto.
16725 * loop-unroll.c: Ditto.
16726 * treelang/treetree.c: Ditto.
16728 * bt-load.c: Ditto.
16729 * ggc-common.c: Ditto.
16731 * coverage.c: Ditto.
16733 * tree-cfgcleanup.c: Ditto.
16734 * tree-ssa-pre.c: Ditto.
16735 * cfgcleanup.c: Ditto.
16736 * loop-invariant.c: Ditto.
16737 * loop-iv.c: Ditto.
16738 * ipa-prop.c: Ditto.
16739 * print-tree.c: Ditto.
16740 * conflict.c: Ditto.
16741 * ggc-page.c: Ditto.
16742 * sched-deps.c: Ditto.
16743 * regclass.c: Ditto.
16744 * tree-object-size.c: Ditto.
16745 * combine.c: Ditto.
16746 * bb-reorder.c: Ditto.
16747 * resource.c: Ditto.
16748 * var-tracking.c: Ditto.
16749 * cfgloop.c: Ditto.
16750 * df-problems.c: Ditto.
16751 * reg-stack.c: Ditto.
16753 * gccspec.c: Ditto.
16754 * sched-rgn.c: Ditto.
16755 * tree-ssa-structalias.c: Ditto.
16756 * tree-ssa-reassoc.c: Ditto.
16757 * config/darwin-c.c: Ditto.
16758 * config/darwin.c: Ditto.
16759 * config/arm/arm.c: Ditto.
16761 * collect2.c: Ditto.
16762 * reload1.c: Ditto.
16764 2006-01-31 Nicolas Pitre <nico@cam.org>
16766 * arm.md (smaxsi3): Make aware of smax_m1.
16769 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
16771 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
16773 2006-01-31 Richard Guenther <rguenther@suse.de>
16775 * doc/invoke.texi (-msselibm): Document.
16776 * target.h (expand_library_builtin): New target hook.
16777 * builtins.c (expand_builtin): Use expand_library_builtin.
16778 (default_expand_library_builtin): New function.
16779 * gcc.c (LINK_GCC_MATH_SPEC): Define.
16780 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
16781 (link_gcc_math_spec): Declare.
16782 (static_specs): Add link_gcc_math_spec.
16783 * expr.h (default_expand_library_builtin): Declare.
16784 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16785 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
16786 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
16787 * config/i386/i386.opt (msselibm): New target option.
16788 * config/i386/i386.c (ix86_builtin_function_variants): New array.
16789 (ix86_init_sse_abi_builtins): New function.
16790 (ix86_expand_library_builtin): Likewise.
16791 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
16792 (override_options): Handle error conditions wrt -msselibm.
16793 (ix86_builtins): Add function codes for SSE2 ABI builtins.
16794 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
16795 * doc/extend.texi (__builtin_sse2_*): Document new target specific
16798 2006-01-31 Richard Guenther <rguenther@suse.de>
16799 Paolo Bonzini <bonzini@gnu.org>
16801 * doc/install.texi (--disable-libgcc-math): Document.
16803 2006-01-30 Marcin Dalecki <martin@dalecki.de>
16805 * expr.h (expand_normal): new inline function.
16806 * builtins.c: use it, use EXPAND_NORMAL explicitely.
16807 * dojump.c: use it.
16808 * dwarf2out.c: use it.
16811 * expmed.c: use it.
16812 * except.c: use it.
16813 * config/sparc/sparc.c: use it.
16814 * config/i386/i386.c: use it.
16815 * config/rs6000/rs6000.c: use it.
16816 * config/arm/arm.c: use it.
16817 * config/mips/mips.c: use it.
16818 * stmt.c: use it, use EXPAND_NORMAL explicitely.
16820 2006-01-30 Roger Sayle <roger@eyesopen.com>
16822 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
16823 argv to the appropriate type.
16825 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
16827 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
16830 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
16833 * config/s390/s390.c (struct machine_function): New flag
16834 decomposed_literal_pool_addresses_ok_p.
16835 (s390_reorg): Set it before final stage of literal pool transforms.
16836 (s390_decompose_address): Only accept displacements of the form
16837 (minus (label_ref ...) (label_ref ...)) if that flag is set.
16839 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
16841 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
16842 the comparison routine return.
16844 2006-01-30 Michael Matz <matz@suse.de>
16846 * global.c (find_reg): Only evict for global regs.
16847 Take n_refs into account and dump more info.
16849 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
16852 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
16853 (pragma_trap, pragma_nosave_low_regs): Likewise.
16854 (current_function_anonymous_args): Likewise.
16855 (sh_deferred_function_attributes): New variable.
16856 (sh_deferred_function_attributes_tail): Likewise.
16857 (print_operand): For '@', look up trap_exit attribute.
16858 (calc_live_regs): Look up trapa_handler attribute. For trapa
16859 handlers, save/restore fpscr, but don't do any other
16860 interrupt-specific saves.
16861 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
16862 Fix check for partially saved registers to check for SHmedia.
16863 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
16864 (sh_output_function_epilogue): Don't clear any of the removed
16866 (sh_insert_attributes): Don't check pragma_interrupt.
16867 Insert deferred attributes. Check that interrupt attribute is
16868 present for other attributes that require its presence.
16869 (sh_attribute_table): Add new attributes trapa_handler and
16871 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
16872 Don't check for pragma_interrupt. Don't store argument.
16873 * sh.h (pragma_interrupt, sp_switch): Don't declare.
16874 (sh_deferred_function_attributes): Declare.
16875 (sh_deferred_function_attributes_tail): Likewise.
16876 * sh.md (sp_switch_1): Add operand. Change generator caller.
16877 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
16878 (*return_i): Don't use when trap_exit attribute is in effect.
16879 (*return_trapa): New insn pattern.
16880 * sh-c.c: New file.
16881 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
16882 setting c_target_objs and cxx_target_objs.
16883 * t-sh: Add rule for sh-c.o.
16885 2006-01-30 Richard Guenther <rguenther@suse.de>
16888 * gimplify.c (gimplify_target_expr): Handle easy cases
16889 without creating a temporary.
16891 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
16893 * vec.h (safe_grow): Remove duplicated line.
16895 2006-01-29 Diego Novillo <dnovillo@redhat.com>
16898 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
16899 (expand_omp): ... here.
16900 (expand_omp_parallel): Only remove barriers for combined
16901 parallel+workshare constructs.
16903 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
16907 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
16908 * tree.c (build_qualified_type): Chain the new type to the original
16909 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
16910 a POINTER_TYPE or a REFERENCE_TYPE respectively.
16911 (build_pointer_type_for_mode): Only return unqualified types.
16912 (build_reference_type_for_mode): Likewise.
16914 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
16916 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
16917 * Makefile.in (CXX_COMPAT_WARN): Define.
16918 * configure: Regenerate.
16920 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
16923 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
16926 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16928 * toplev.c: Fix thinko.
16930 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
16931 Marcin Dalecki <martin@dalecki.de>
16933 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
16934 (push_srcloc): Use XNEW.
16935 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
16937 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
16939 * df-core.c (df_set_blocks): Deleted all variable.
16941 2006-01-28 Ian Lance Taylor <ian@airs.com>
16943 * cgraphunit.c (cgraph_assemble_pending_functions): Call
16944 cgraph_output_pending_asms.
16946 2006-01-28 Zack Weinberg <zackw@panix.com>
16948 * c.opt: Add -W(no-)overlength-strings.
16949 * doc/invoke.texi: Document it.
16950 * c-opts.c (c_common_handle_option): -pedantic implies
16951 -Woverlength-strings, if not explicitly disabled already.
16952 (c_common_post_options): -Woverlength-strings defaults to off, and
16953 is always off for C++.
16954 * c-common.c (fix_string_type): Issue warning about strings longer
16955 than is portable only if warn_overlength_strings. Rearrange code
16956 a little for clarity.
16957 * configure.in: Check for -Wno-overlength-strings as well before
16958 enabling -pedantic in stage 1.
16959 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
16960 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
16962 * genconditions.c (write_header, write_one_condition)
16963 (write_conditions, write_writer): Consolidate very long strings
16964 that were broken up to fit in C89 portable limit. Don't use
16965 printf when fputs will do.
16967 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
16969 * combine.c (simplify_comparison <AND>): Check
16970 TRULY_NOOP_TRUNCATION before start using a subreg.
16972 * config/mips/mips.md (*branch_zero<mode>,
16973 *branch_zero<mode>_inverted, *branch_equality<mode>,
16974 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
16975 Remove mode check from comparisons.
16977 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
16979 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
16981 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
16983 * expmed.c (const_mult_add_overflow_p): Remove.
16984 * expr.h: Remove the prototype for const_mult_add_overflow_p.
16986 * recog.c (validate_replace_rtx_subexp): Remove.
16987 * recog.h: Remove the prototype for
16988 validate_replace_rtx_subexp.
16990 * integrate.h: Remove the prototype for
16991 copy_decl_for_inlining.
16992 * rtl.h: Remove the prototype for mark_constant_function.
16993 * tree-vectorizer.h: Remove the prototype for
16994 vect_strip_conversion.
16996 * modulo-sched.c (create_partial_schedule,
16997 free_partial_schedule, reset_partial_schedule): Make them
17000 * hooks.c (hook_bool_rtx_int_false): Remove.
17001 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
17003 2006-01-28 David Edelsohn <edelsohn@gnu.org>
17005 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17006 and -mlong-double-128 are incompatible.
17007 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
17008 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
17009 (TARGET_LIBGCC2_CFLAGS): Define.
17010 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
17011 (TARGET_LIBGCC2_CFLAGS): Same.
17012 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
17014 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
17017 * c-typeck.c (build_binary_op): Perform implicit casts of
17018 operands before shortening them.
17020 * cfgloopmanip.c (split_loop_bb): Remove.
17021 * cfgloop.h: Remove the prototype for split_loop_bb.
17023 * cfgloop.c (flow_loop_outside_edge_p): Remove.
17024 * cfgloop.h: Remove the prototype for
17025 flow_loop_outside_edge_p.
17027 * emit-rtl.c (init_virtual_regs): Make it static.
17028 * function.h: Remove the prototype for init_virtual_regs.
17030 * recog.c (peephole2_optimize): Make it static.
17031 * recog.h: Remove the prototype for peephole2_optimize.
17033 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17035 * df-scan.c (df_record_entry_block_defs): Check if
17036 INCOMING_RETURN_ADDR_RTX is defined.
17038 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
17039 Kenneth Zadeck <zadeck@naturalbridge.com>
17041 PR rtl-optimization/24762
17042 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17043 * targhooks.c (hook_void_bitmap): New hook prototype.
17044 * targhoohs.h (hook_void_bitmap): Ditto.
17045 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
17046 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
17047 * target.h (live_on_entry): New function pointer.
17048 * df-scan.c (df_all_hard_regs): Removed.
17049 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
17050 (df_scan_free_internal): Added df->entry_block_defs.
17051 (df_scan_alloc): Ditto.
17052 (df_scan_dump): Ditto.
17053 (df_uses_record): Plumbed flag field properly thru calls.
17054 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
17055 This part fixes PR24762.
17056 (df_bb_refs_record): Added code to make the frame and arg
17057 pointers live in EH blocks.
17058 (df_refs_record): Added call to df_record_entry_block_defs.
17059 (df_record_entry_block_defs): New function.
17060 * df-core.c: Added comments to describe new artifical defs.
17061 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
17062 (entry_block_defs): New field in struct df.
17063 (df_all_hard_regs): Deleted.
17064 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
17065 * df-problems.c (df_ru_bb_local_compute_process_def):
17066 Added code to handle artifical defs in the entry to a function.
17067 (df_ru_bb_local_compute): Ditto.
17068 (df_rd_bb_local_compute_process_def): Ditto.
17069 (df_rd_bb_local_compute): Ditto.
17070 (df_lr_bb_local_compute): Ditto.
17071 (df_ur_bb_local_compute): Ditto.
17072 (df_urec_bb_local_compute): Ditto.
17073 (df_chain_create_bb): Ditto.
17074 (df_ur_local_finalize): Removed entry.
17075 (df_urec_init): Ditto.
17076 (df_urec_local_finalize): Ditto.
17077 (df_ri_bb_compute): Added detection of last use of pseudos.
17078 * Makefile.in (df-scan.o): Updated dependencies.
17079 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
17080 * config/mips/mips.c (mips_set_live_on_entry): Added.
17081 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
17083 * dce.c (marked_insn_p): Added code to handle artifical defs.
17085 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
17087 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
17089 (_mm_cvtsi128_si64): Likewise.
17090 (_mm_cvtsd_si64): Likewise.
17091 (_mm_cvttsd_si64): Likewise.
17092 (_mm_cvtsi64_sd): Likewise.
17093 (_mm_cvtsi64_si128): Likewise.
17094 * config/i386/mmintrin.h (_m_from_int64): Likewise.
17095 (_mm_cvtsi64_m64): Likewise.
17096 (_m_to_int64): Likewise.
17097 (_mm_cvtm64_si64): Likewise.
17098 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
17099 (_mm_cvttss_si64): Likewise.
17100 (_mm_cvtsi64_ss): Likewise.
17101 (_mm_cvtss_f32): Likewise.
17103 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
17105 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
17106 for pragma redefine_extname.
17108 2006-01-27 Jakub Jelinek <jakub@redhat.com>
17111 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
17112 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
17113 -mno-minimal-toc to previous content.
17114 (bispecs): Remove goal.
17115 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
17116 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
17117 compatibility aliases on powerpc-*-*gnu*.
17118 * config/rs6000/libgcc-ppc-glibc.ver: New file.
17119 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
17120 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
17121 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
17122 (ldblspecs): New goal.
17123 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
17124 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
17126 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
17127 L_sf_to_tf or L_df_to_tf is defined.
17129 2006-01-27 David Edelsohn <edelsohn@gnu.org>
17130 Alan Modra <amodra@bigpond.net.au>
17133 * config/rs6000/linux.h (POWERPC_LINUX): Define.
17134 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
17135 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
17136 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
17137 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
17138 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
17139 (rs6000_override_options): Initialize rs6000_ieeequad.
17140 Initialize TFmode format to ibm_extended_format if not
17142 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
17144 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
17145 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
17146 (function_arg_advance): IBM long double passed in two FPRs, not
17148 (function_arg): IBM long double passed in FPRs.
17149 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
17150 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
17151 Only multireg GPR aligned.
17152 (rs6000_init_libfuncs): Enable IBM long double functions if not
17154 (rs6000_generate_compare): Use IBM long double compare if not
17156 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
17157 (TARGET_IEEEQUAD): Define.
17158 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
17159 not TARGET_IEEEQUAD.
17160 * config/rs6000/rs6000.md: Enable TFmode patterns if
17162 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
17163 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
17164 and -mlong-double-128 are incompatible.
17165 * doc/invoke.texi (-mabi): Collect options together. Add
17166 ibmlongdouble and ieeelongdouble.
17168 2006-01-27 Richard Sandiford <richard@codesourcery.com>
17170 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
17172 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
17173 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
17174 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
17175 * rtl.h (rtunion_def): Remove rt_ptr.
17177 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
17178 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
17179 * config/i386/winnt.c (i386_pe_mark_dllexport)
17180 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
17182 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
17184 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
17186 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17190 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
17191 pthread_key_delete. From John David Anglin. gthrw-ify
17192 pthread_getunique_np only if it it's not a macro. Delete
17194 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
17195 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
17196 __gthread_objc_condition_signal, __gthread_key_delete): Add
17197 "__attribute__ ((__unused__))" to unused arguments.
17198 (__gthread_recursive_mutex_init_function): Add missing return.
17199 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
17200 gthr-posix95.h: Use macro-based approach for name redirection
17201 on targets missing weakref.
17203 2006-01-26 Zack Weinberg <zackw@panix.com>
17205 * genconditions.c (write_header): In generated code, #ifdef out
17206 all includes and fake declarations, except includes of bconfig.h
17207 and system.h, unless GCC_VERSION >= 3001. Do not include
17208 gensupport.h in any case.
17209 (write_conditions): Generate a definition of struct c_test. Add
17210 a comment to the generated #endif.
17211 (write_one_condition): Escape backslashes in string too.
17212 (write_writer): Generated code must escape backslashes and quote
17213 marks (but not newlines) in the strings it writes.
17214 * Makefile.in (build/gencondmd.o): Update dependencies.
17216 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17219 * Makefile.in (insn-automata.o): Add header file dependencies.
17220 * genautomata.c: Add includes.
17222 2006-01-26 Steve Ellcey <sje@cup.hp.com>
17225 * Makefile.in (insn-automata.o): Add -Wno-error flag.
17227 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17229 * configure.ac: Expect target tools paths to be passed from the toplevel
17230 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
17232 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
17234 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
17237 * c.opt (Wpointer-sign): Init to -1.
17238 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
17239 OPT_pedantic, to 0 otherwise.
17240 * doc/invoke.texi: Update.
17242 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
17244 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
17245 constants provided by 80387 instructions in the destination mode.
17247 2006-01-26 Richard Guenther <rguenther@suse.de>
17248 Andrew Pinski <pinskia@physics.uc.edu>
17251 partial PR tree-opt/17064
17252 * tree-ssa-structalias.c (intra_create_variable_infos):
17253 Create heap variables for incoming parameters if
17254 flag_argument_noalias > 1.
17255 (find_what_p_points_to): Look through default defs of
17258 2006-01-26 Jeff Law <law@redhat.com>
17261 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
17262 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
17263 within the VR_RANGE, use the VR_RANGE as the result, not the
17265 (adjust_range_with_scev): Reject ranges from SCEV which are out of
17266 bounds for the type.
17268 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
17270 * tree-ssa-alias.c (maybe_create_global_var): Change
17271 subvar walking to an assertion that we don't have subvar'd variables.
17273 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
17276 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
17277 Use a new variable, inner. PARM_DECLs are always non-weak.
17279 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
17281 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
17282 --disable-checking.
17284 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
17286 * config/mips/mips.md (*clear_upper32): New combiner pattern.
17288 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
17290 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
17291 (smax_insn, smin_insn, smax_0, smin_0): New.
17293 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
17296 * config/cris/cris.c (cris_order_for_addsi3): New function.
17297 * config/cris/cris-protos.h: Prototype it.
17298 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
17299 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
17300 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
17301 (split for "op.S1 [rx=rx+i],ry (swapped)")
17302 (split for "op(s|u).S1 [rx=rx+i],ry")
17303 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
17304 Apply cris_order_for_addsi3 when generating addsi3 insns.
17306 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17308 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
17309 (TREE_BLOCK): Add call to EXPR_CHECK.
17311 2006-01-25 Diego Novillo <dnovillo@redhat.com>
17314 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
17315 * tree-pretty-print.c (dump_omp_clause): Extract from ...
17316 (dump_omp_clauses): ... here.
17317 (dump_generic_node): Handle OMP_CLAUSE.
17318 * tree.c (omp_clause_num_ops): New.
17319 (omp_clause_code_name): New.
17320 (tree_code_size): Handle OMP_CLAUSE.
17321 (tree_size): Likewise.
17322 (make_node): Document handling of OMP_CLAUSE.
17323 (tree_node_structure): Handle OMP_CLAUSE.
17324 (omp_clause_check_failed): New.
17325 (omp_clause_range_check_failed): New.
17326 (omp_clause_operand_check_failed): New.
17327 (build_omp_clause): New.
17328 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
17329 * tree.h (enum omp_clause_code): Declare.
17330 (OMP_CLAUSE_SUBCODE_CHECK): Define.
17331 (OMP_CLAUSE_RANGE_CHECK): Define.
17332 (OMP_CLAUSE_ELT_CHECK): Define.
17333 (omp_clause_check_failed): Declare.
17334 (omp_clause_operand_check_failed): Declare.
17335 (omp_clause_range_check_failed): Declare.
17336 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
17337 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
17338 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
17339 (OMP_CLAUSE_LASTPRIVATE): Likewise.
17340 (OMP_CLAUSE_IF_EXPR): Likewise.
17341 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
17342 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
17343 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
17344 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
17345 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
17346 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
17347 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
17348 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
17349 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
17350 (OMP_CLAUSE_CODE): Define.
17351 (OMP_CLAUSE_SET_CODE): Define.
17352 (OMP_CLAUSE_CODE): Define.
17353 (OMP_CLAUSE_OPERAND): Define.
17354 (struct tree_omp_clause): Declare.
17355 (union tree_node): Add field 'omp_clause'.
17356 * treestruct.def (TS_OMP_CLAUSE): Define.
17357 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
17358 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
17359 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
17360 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
17361 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
17362 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
17363 (OMP_CLAUSE): Define.
17364 * print-tree.c (print_node): Handle OMP_CLAUSE.
17365 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
17366 * c-typeck.c: Likewise.
17367 * gimplify.c: Likewise.
17368 * c-omp.c: Likewise.
17369 * tree-nested.c: Likewise.
17370 * tree-inline.c: Likewise.
17371 * c-parser.c: Likewise.
17372 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
17375 2006-01-25 Roger Sayle <roger@eyesopen.com>
17377 PR rtl-optimization/25703
17378 * combine.c (try_combine): Handle zero_extract and strict_low_part
17379 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
17381 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
17383 * global.c: Fix comment typos.
17385 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
17388 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
17389 Use output_addr_const instead of assemble_name.
17391 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
17393 * Makefile.in (sched-vis.o): Update dependencies.
17394 * haifa-sched.c (sched_finish): Clear current_sched_info.
17395 * cfg.c (dump_bb_info): New, split from dump_flow_info.
17396 (dump_flow_info): Call it.
17397 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
17399 * basic-block.h (dump_bb_info): Declare.
17400 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
17401 option, and apply options only for dump files whose TDF_RTL,
17402 TDF_TREE, or TDF_IPA bits match.
17403 * rtl.h: Declare new functions exported from sched-vis.c.
17404 * sched-vis.c: Enable also if scheduling is not used.
17405 (print_value): Print the mode of registers if not inside scheduling.
17406 (print_insn): Make it work outside the scheduler. Beautify the output
17408 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
17410 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17412 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
17413 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
17414 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
17415 depending on the value of CONSTANT_POOL_ADDRESS_P.
17416 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
17418 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
17419 rather than SYMBOL_REF_DECL.
17420 (rtx_constant_pool): Remove const_rtx_sym_htab.
17421 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
17422 (init_varasm_status): Don't initialize const_rtx_sym_htab.
17423 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
17424 Remove handling of const_rtx_sym_htab.
17425 (find_pool_constant): Delete.
17426 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
17427 rather than find_pool_constant.
17428 (get_pool_constant_for_function): Delete.
17429 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
17430 find_pool_constant.
17431 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
17432 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
17433 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
17434 (SYMBOL_REF_CONSTANT): New macro.
17435 (get_pool_constant_for_function): Delete.
17436 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
17437 rather than SYMBOL_REF_DECL.
17438 (i386_pe_mark_dllimport): Likewise.
17439 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
17440 rather than SYMBOL_REF_DECL.
17441 * config/darwin.c (machopic_indirect_data_reference): Likewise.
17442 (machopic_indirect_call_target): Likewise.
17444 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
17446 * flow.c (delete_noop_moves): Add missing EOL to dump message.
17448 2006-01-25 Richard Sandiford <richard@codesourcery.com>
17450 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
17452 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
17454 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
17456 2006-01-24 David Daney <ddaney@avtrex.com>
17459 * configure.ac (enable_tls): New enable option.
17460 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
17461 * configure: Regenerate.
17462 * doc/install.texi (--enable-tls): Document new option.
17463 (--disable-tls): Ditto.
17465 2006-01-24 Richard Henderson <rth@redehat.com>
17467 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
17468 * alias.c (true_dependence): Respect it.
17469 (canon_true_dependence, write_dependence_p): Likewise.
17470 * builtins.c (get_builtin_sync_mem): Set it.
17472 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
17474 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
17477 2006-01-24 DJ Delorie <dj@redhat.com>
17479 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
17480 for storing constants in single-bit bitfields.
17482 2006-01-25 Ben Elliston <bje@au.ibm.com>
17484 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
17486 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
17489 * tree-ssa-pre.c (phi_translate): Return NULL
17490 for AGGREGATE_TYPE's.
17492 2006-01-24 Zack Weinberg <zackw@panix.com>
17494 * genautomata.c (process_state_for_insn_equiv_partition):
17495 Use xcalloc for insn_arcs_array.
17496 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
17497 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
17499 2006-01-24 Richard Henderson <rth@redhat.com>
17501 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
17502 update all callers.
17504 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
17506 PR rtl-optimization/25890
17507 PR rtl-optimization/25905
17508 * combine.c (expand_compound_operation, expand_field_assignment):
17509 Fail if the bitfield's final position is out of bounds.
17511 2006-01-24 Ian Lance Taylor <ian@airs.com>
17513 PR middle-end/25930
17514 * cgraphunit.c (cgraph_output_in_order): Don't clear
17515 cgraph_asm_nodes until after asm strings have been output.
17517 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
17519 * fix-header.c (read_scan_file): Add new parameter imultilib when
17520 calling register_include_chains.
17522 2006-01-23 Diego Novillo <dnovillo@redhat.com>
17524 * omp-low.c: Update documentation.
17526 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17527 Daniel Berlin <dberlin@dberlin.org>
17531 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
17532 return from the function.
17534 2006-01-22 Zack Weinberg <zackw@panix.com>
17536 * rtl.def (match_code): Add second argument.
17537 * genpreds.c (write_extract_subexp): New function.
17538 (write_match_code): Add path argument. Use write_extract_subexp.
17539 (write_predicate_expr): Pass path to write_match_code.
17540 (mark_mode_tests): MATCH_CODE applied to a subexpression does
17541 not perform a mode test.
17542 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
17543 a subexpression does not constrain the top-level code set.
17544 * read-rtl.c (read_rtx_variadic): New function.
17545 (read_rtx_1): Use it; allow AND and IOR to be variadic.
17546 * doc/md.texi: Document new notation.
17547 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
17548 (cmpsi_operand): ... here, using new notation.
17550 2006-01-22 Zack Weinberg <zackw@panix.com>
17552 * varray.c: Remove GENERATOR_FILE #ifdefs.
17554 2006-01-22 Zack Weinberg <zackw@panix.com>
17556 * genautomata.c (output_reserved_units_table): Emit nothing if
17557 description->query_units_num is zero. Remove extra blank line.
17558 (output_cpu_unit_reservation_p): Short circuit
17559 if description->query_units_num is zero.
17561 2006-01-22 Zack Weinberg <zackw@panix.com>
17563 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
17564 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
17565 nor any of the random handful of variables that used to be necessary
17566 when this program was linked with rtlanal.o. Prune set of forward
17567 function declarations.
17568 (struct attr_desc): Remove static_p field.
17569 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
17570 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
17571 (attr_string): Do not read the character one past the length of
17573 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
17574 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
17575 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
17576 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
17577 (make_automaton_attrs): New.
17578 (main): Do not call into genautomata. Call local gen_bypass
17579 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
17580 Remove special case for insn_alts.
17581 * genautomata.c: Include gensupport.h; not genattrtab.h nor
17582 varray.h (leftover from previous change). Prune set of forward
17583 function declarations. Remove state_alts fields from all
17584 structures. Remove state_alts_table from struct automaton.
17585 Make everything except main static. Do not maintain num_dfa_decls.
17586 Do not maintain state_alts fields of various structures.
17587 (process_decls): Don't validate condexp for dm_insn_reserv decls.
17588 (add_arc): Remove state_alts argument. All callers updated.
17589 (output_reserved_units_table): Emit #ifdef here...
17590 (output_tables): ...not here. Don't generate state_alts tables.
17591 (expand_automata): Don't generate attributes.
17592 (write_automata): Don't generate state_alts functions.
17593 (main): New function.
17594 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
17595 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
17596 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
17597 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
17598 (BYPASS_P_FUNC_NAME, output_state_alts_table)
17599 (output_automata_list_state_alts_code, output_internal_state_alts_func)
17600 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
17601 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
17603 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
17604 * genattrtab.h: Delete file.
17605 * Makefile.in (OBJS-common): Add insn-automata.o.
17606 (insn-automata.o): New rule.
17607 (simple_generated_c): Add insn-automata.c.
17608 (build/genattrtab.o, build/genautomata.o): Update dependencies.
17609 (genprogmd): Add automata.
17610 (build/genattrtab): Needs no extra objects nor libraries.
17611 (build/genautomata): Needs build/vec.o and -lm.
17613 2006-01-22 Zack Weinberg <zackw@panix.com>
17615 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
17616 (output_dfa_max_issue_rate, locked_states_num): Delete.
17617 (struct automaton): Add locked_states field.
17618 (output_dead_lock_vect): Save number of locked states in
17619 automaton->locked_states. If it is zero, don't print anything.
17620 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
17621 (output_internal_dead_lock_func): Only test the dead_lock_vect
17622 for automata that have locked states.
17623 (output_statistics): Always print the number of locked states for
17624 each automaton. Calculate total number of locked states here.
17625 (write_automata): Don't call output_dfa_max_issue_rate.
17626 * genattrtab.c: Define length_unit_log as a const variable.
17627 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
17628 max_insn_queue_index const.
17629 * final.c (length_unit_log): Declare const.
17630 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
17632 2006-01-22 Zack Weinberg <zackw@panix.com>
17634 * genautomata.c: Include vec.h, not varray.h.
17635 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
17636 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
17637 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
17638 VEC_* macros operating on appropriately typed vectors, or to
17639 malloced arrays when the size is known in advance. Const-ify
17640 many char* variables and function arguments. No functional changes.
17641 * Makefile.in (build/varray.o): Delete rule.
17642 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
17643 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
17645 2006-01-22 Zack Weinberg <zackw@panix.com>
17647 * gensupport.c: Define get_insn_name and record_insn_name here.
17648 (read_md_rtx): Call record_insn_name as appropriate.
17649 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
17650 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
17651 * genpreds.c, genrecog.c: Don't define get_insn_name nor
17653 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
17654 (BUILD_VARRAY): Delete.
17655 (genprognormal): Rename genprogmd. Fold in all programs from
17656 genprognoprint; also attrtab.
17657 (build/genattrtab): Just mention genautomata.o and varray.o.
17658 Reorganize a bit, add comments to make the categories clearer.
17660 2006-01-22 Zack Weinberg <zackw@panix.com>
17662 * genconditions.c (condition_table, add_condition): Delete.
17663 (write_conditions): Don't emit n_insn_conditions nor
17664 insn_elision_unavailable. Issue the gcc version #ifdef here,
17665 inside the table, with no #else clause ...
17666 (write_header): ...not here.
17667 (write_writer): New function.
17668 (main): Don't initialize condition_table. Use add_c_test.
17670 * gensupport.c (init_md_reader_args_cb): Handle multiple input
17671 files on the command line.
17672 (maybe_eval_c_test): Don't check insn_elision_unavailable.
17673 Return -1 if there is no entry in the table, don't abort.
17674 (add_c_test, traverse_c_tests): New functions.
17675 * gensupport.h (insn_elision_unavailable, insn_conditions)
17676 (n_insn_conditions): Delete declarations.
17677 (add_c_test, traverse_c_tests): Declare.
17678 * read-rtl.c: Include gensupport.h.
17679 (read_conditions): New function.
17680 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
17681 (read_rtx_1): If we get EOF when we were looking for an initial
17682 open paren, return 0. Call read_conditions when appropriate.
17683 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
17684 dummy-conditions.o. Eliminate references to insn-conditions.o,
17685 or change them to build/gencondmd.o, as appropriate. Remove
17686 insn-constants.h from $(simple_generated_h) and insn-conditions.c
17687 from $(simple_generated_c). For all files remaining in those
17688 two lists, add insn-conditions.md to the generator command line.
17689 Give insn-constants.h/s-constants their own rules. Add rules
17690 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
17691 (build/read-rtl.o): Depend on gensupport.h.
17692 (genprognormal): Include preds.
17693 (genprogearly): Rename genprognoprint; only difference is now that
17694 they don't link with $(BUILD_PRINT).
17695 * dummy-conditions.c: Delete.
17697 2006-01-22 Zack Weinberg <zackw@panix.com>
17699 * genextract.c: Don't include insn-config.h. Do include vec.h.
17700 Declare vectors of int, char, and locstr.
17701 (locstr): New typedef.
17702 (struct extraction): Make all array fields into bare pointers.
17703 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
17704 (insn_code_number): Delete.
17705 (accum_extract): New struct.
17706 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
17707 (gen_insn): Take insn_code_number as an argument. Use an
17708 accum_extract structure instead of loading data directly into
17709 a struct extraction, and having to know how big it might get.
17710 (walk_rtx): Operate entirely on an accum_extract structure.
17711 (print_path): Avoid unnecessary use of printf.
17712 (print_header): New function, split out of main. Distinguish
17713 more carefully between an unrecognizable insn and an insn that
17714 has the code number of a define_expand.
17715 (main): Pass insn_code_number to gen_insn. Call print_header
17716 only after parsing. Avoid unnecessary use of printf.
17717 * Makefile.in (build/vec.o): New rule.
17718 (build/genextract): Depend on build/vec.o.
17719 (build/genextract.o): Don't depend on insn-config.h.
17721 2006-01-22 Zack Weinberg <zackw@panix.com>
17723 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
17724 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
17725 practical. Eliminate per-generator-program link rules.
17727 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
17729 PR middle-end/24437
17730 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
17731 with a call expr to ...
17732 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
17734 2006-01-23 Richard Guenther <rguenther@suse.de>
17736 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
17737 before make_edge with conditional EDGE_TRUE_VALUE.
17739 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
17740 Jan Hubicka <jh@suse.cz>
17741 Richard Guenther <rguenther@suse.de>
17743 PR rtl-optimization/25654
17744 * cfgexpand.c (aggregate_contains_union_type): New function.
17745 (add_alias_set_conflicts): Call it. Make sure to add conflicts
17746 for structure variables that contain a union type.
17748 2006-01-23 Richard Sandiford <richard@codesourcery.com>
17750 * gengtype.c (new_structure): Return the structure.
17751 (create_option): Add an extra "next" argument.
17752 (create_field): New function.
17753 (adjust_field_rtx_def): Use create_option and create_field.
17754 Remove a now-unnecessary call to find_structure.
17755 (adjust_field_tree_def): Likewise.
17756 (note_yacc_type): Remove an unnecessary call to find_structure.
17757 * gengtype.h (new_structure): Return the structure.
17758 (create_option): Add an extra argument.
17759 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
17760 (option): Adjust calls to create_option.
17762 2006-01-22 David Edelsohn <edelsohn@gnu.org>
17764 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
17766 2006-01-22 Paul Brook <paul@codesourcery.com>
17767 Peter Barada <peter@the-baradas.com>
17769 * config/m68k/m68k.md: Add Coldfire FPU support.
17770 Define FP mode macro and associated attributes.
17771 Use it for float mode patterns.
17772 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
17773 (LIBCALL_VALUE): Use m68k_libcall_value.
17774 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
17775 (m68k_function_value): Ditto.
17776 (emit_move_sequence): Ditto.
17777 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
17778 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
17779 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
17780 (MULTILIB_EXCEPTIONS): Ditto.
17781 * config/m68k/m68k.opt: Add mcfv4e.
17782 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
17783 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
17784 (m68k_output_function_prologue): Save ColdFire FPU registers.
17785 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
17786 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
17787 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
17788 ColdFire FPU registers.
17789 (m68k_libcall_value, m68k_function_value): New functions.
17790 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
17791 (LIBCALL_VALUE): Use m68k_libcall_value.
17792 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
17793 (MASK_COLDFIRE): Add MASK_CFV4E.
17794 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
17795 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
17796 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
17797 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
17798 (GO_IF_LEGITIMATE_ADDRESS): Use it.
17799 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
17800 * doc/invoke.tex: Document -mcfv4e on m68k.
17802 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
17804 * doc/contribute.texi: Change CVS to SVN and update the corresponding
17807 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
17810 * c-opts.c (c_common_handle_option): Don't include
17811 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
17812 * doc/invoke.texi (C++ Dialect Options): Document that
17813 -Wnon-virtual-dtor is no longer included in -Wall.
17815 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
17817 * gcov.c (print_version), gcov-dump.c (print_version),
17818 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
17821 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
17823 * df-scan.c (problem_SCAN): Added NULL reset function.
17824 (df_scan_reset_blocks): Added code to call reset block function
17825 (df_bb_refs_delete) Fixed comment.
17826 (df_insn_refs_delete): Made tolerant of deleting non existent info
17827 for dataflow problems that need to be reset.
17828 * df-core.c (df_set_blocks): Ditto.
17829 * df.h (struct df_problem): Added reset_fun.
17830 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
17831 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
17832 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
17833 functions to clear out all references to def-use or use-def chains.
17835 2006-01-21 Ben Elliston <bje@au.ibm.com>
17837 * varasm.c (assemble_real): Initialise data array.
17839 2006-01-20 Paul Brook <paul@codesourcery.com>
17841 Merge from csl-arm-branch.
17842 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
17843 * config/arm/arm.md (movdi): Force operands[1] to a register
17844 if we have a non-register source.
17845 (*arm_movdi, *movdf_soft_insn): Require that one of the
17846 operands be a register.
17847 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
17848 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
17850 2006-01-20 DJ Delorie <dj@redhat.com>
17852 * varasm.c (initializer_constant_valid_p): Allow pointers
17853 initialized from integer constants of lesser precision.
17854 (output_constant): Allow non-int-sized pointer modes to be
17855 initialized from integer constants.
17857 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
17860 * cppdefault.h (struct default_include): Add multilib flag.
17861 * cppdefault.c (cpp_include_defaults): Set it.
17862 * c.opt (-imultilib): New option.
17863 * c-opts.c (imultilib): New.
17864 (c_common_handle_option): Handle -imultilib.
17865 (c_common_post_options): Likewise.
17866 * c-incpath.c (add_standard_paths, register_include_chains):
17868 * c-incpath.h (register_include_chains): Add extra parameter.
17869 * gcc.c (do_spec_1): Generate -imultilib option.
17870 (The Specs Language): Update %I description.
17871 (process_command): Update copyright notice.
17872 * doc/cppopts.texi (-imultilib): Document.
17873 * doc/invoke.texi (-imultilib): Include in option summary.
17874 (%I): Update specs documentation.
17876 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17878 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
17880 2006-01-20 Richard Sandiford <richard@codesourcery.com>
17882 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
17885 2006-01-20 Richard Guenther <rguenther@suse.de>
17886 Steven Bosscher <stevenb.gcc@gmail.com>
17888 PR rtl-optimization/24626
17889 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
17890 EDGE_TRUE_VALUE if in RTL mode.
17893 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
17894 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
17896 2006-01-20 Dirk Mueller <dmueller@suse.com>
17899 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
17900 instead of a special NOP marker.
17901 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
17902 NOP marker handling.
17903 * c-common.h (empty_body_warning): Add forward declaration.
17904 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
17905 Now uses IS_EMPTY_STMT() instead of special NOP markers.
17907 2006-01-20 Paul Brook <paul@codesourcery.com>
17909 * Makefile.in (lang_checks): Keep going if mkdir fails.
17911 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17913 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
17914 be able to clean out basic block when not necessary.
17915 (df_scan_free): Fixed to properly delete information if df is
17916 unused before calling df_finish.
17917 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
17918 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
17920 (df_bb_refs_delete): New function.
17921 (df_refs_delete): Moved per block code to df_bb_refs_delete.
17922 * df-core.c (df_set_blocks): Added code to properly clean out
17923 unused blocks if they are not part of the blocks to consider.
17924 Added additional null check.
17925 (df_compact_blocks): Added basic block parameter to free_bb_fun to
17926 be able to clean out basic block when not necessary
17927 * df.h (df_free_bb_function): Ditto.
17928 (df_bb_refs_delete): New function.
17929 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
17930 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
17931 basic block parameter to be able to clean out basic block when not
17933 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
17934 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
17935 Fixed to properly delete information if df is unused before
17938 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
17940 PR rtl-optimization/25799
17941 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
17942 Corrected confluence operator to remove bits from op2 before oring
17943 with op1 rather than removing bits from op1.
17944 (df_ru_transfer_function): Corrected test on wrong bitmap which
17945 caused infinite loop. Both of these problems were introduced in
17946 the dataflow rewrite.
17948 2006-01-19 DJ Delorie <dj@redhat.com>
17950 * reload1.c (find_reload_regs): Note the details of reload
17951 failures in the dump file.
17952 (spill_failure): Likewise.
17954 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
17956 * loop-iv.c: Include df.h and hashtab.h.
17957 (enum iv_grd_result): New enum.
17958 (DF_REF_IV, DF_REF_IV_SET): New macros.
17959 (struct biv_entry): New.
17960 (df, bivs): New global variables.
17961 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
17962 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
17964 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
17965 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
17966 analyzed_for_bivness_p, record_biv): New functions.
17967 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
17968 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
17969 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
17971 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
17973 (iv_number_of_iterations): Use new interface to iv analysis.
17974 * loop-unroll.c: Do not include varray.h.
17975 (analyze_iv_to_split_insn): Use new interface to iv
17977 * loop-unswitch.c (may_unswitch_on): Ditto.
17978 * df.c (df_bitmaps_free): Only work for bbs for that structures are
17980 (df_bb_modify): Realloc tables to the new index.
17981 (df_find_use): New function.
17982 * df.h (df_find_use): Declare.
17983 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
17985 * cfgloop.h (struct rtx_iv): Remove analysed field.
17986 (iv_get_reaching_def): Removed.
17987 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
17988 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
17989 (loop-iv.o): Add df.h and hashtab.h dependency.
17990 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
17992 2006-01-20 Alan Modra <amodra@bigpond.net.au>
17995 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
17997 (__floatundisf, __floatundidf): Likewise.
17998 * libgcc2.h (IS_IBM_EXTENDED): Define.
18000 2006-01-19 DJ Delorie <dj@redhat.com>
18002 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
18004 2006-01-19 Paul Brook <paul@codesourcery.com>
18006 * config/arm/arm.c (arm_compute_func_type): Treat all functions
18007 as nothrow when unwinding tables are disabled.
18009 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18012 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
18013 of bit-field" when in system header.
18015 2006-01-19 DJ Delorie <dj@redhat.com>
18017 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
18018 the 16 bit shift limit of the m16c.
18020 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
18023 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
18024 * config/i386/i386.c (output_set_got): Output the label if we have one
18025 for the TARGET_DEEP_BRANCH_PREDICTION case.
18027 2006-01-19 Jan Hubicka <jh@suse.cz>
18028 H.J. Lu <hongjiu.lu@intel.com>
18029 Evandro Menezes <evandro.menezes@amd.com>
18031 * invoke.texi (generic): Document
18033 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
18034 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
18035 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
18036 (x86_use_incdec, x86_pad_returns): New variables
18037 (TARGET_CPU_DEFAULT_generic): New constant
18038 (TARGET_CPU_DEFAULT_NAMES): Add generic.
18039 (enum processor_type): Add generic32 and generic64.
18040 * i386.md (cpu attribute): Add generic32/generic64
18041 (movhi splitter): Behave sanely when both partial_reg_dependency and
18042 partial_reg_stall are set.
18043 (K8 splitters): Enable for generic as well.
18044 * predicates.md (incdec_operand): Use TARGET_INCDEC
18045 (aligned_operand): Avoid memory mismatch stalls.
18046 * athlon.md: Enable for generic64, new patterns for 128bit moves.
18047 * ppro.md: Enable for generic32
18048 * i386.c (generic64_cost, generic32_cost): New.
18049 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
18050 (x86_use_leave): Enable for generic64. (x86_use_sahf,
18051 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
18052 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
18053 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
18054 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
18055 x86_partial_reg_dependency, x86_memory_mismatch_stall,
18056 x86_accumulate_outgoing_args, x86_prologue_using_move,
18057 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
18058 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
18059 Enable for generic.
18060 (x86_use_incdec, x86_pad_returns): New.
18061 (override_options): Add generic32 and generic64, translate "generic"
18062 to generic32/generic64 and "i686" to "generic32", refuse
18063 "generic32"/"generic64" as arch target.
18064 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
18065 (ix86_reorg): Honor PAD_RETURNS.
18067 2006-01-19 Diego Novillo <dnovillo@redhat.com>
18069 * tree-pretty-print.c (dump_generic_node): Handle
18070 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
18071 * cgraph.c (cgraph_expand_queue): Rename from
18072 cgraph_analyze_queue. Update all users.
18073 * cgraphunit.c (cgraph_assemble_pending_functions): Process
18074 cgraph_expand_queue.
18075 (cgraph_expand_all_functions): Likewise.
18076 (cgraph_finalize_pending_functions): Remove. Update callers.
18078 * tree.h (OMP_DIRECTIVE_P): Define.
18079 (OMP_PARALLEL_FN): Define.
18080 (OMP_PARALLEL_DATA_ARG): Define.
18081 (OMP_SECTIONS_SECTIONS): Define.
18082 * tree-pass.h (pass_expand_omp): Declare.
18083 * omp-low.c (struct omp_region): Declare.
18084 (struct omp_context): Remove fields 'parallel_type',
18085 'parallel_start_ix' and 'parallel_start_additional_args'.
18087 (struct omp_for_data): Rename from struct expand_omp_for_data.
18088 (omp_regions): New static variable.
18089 (root_omp_region): New static variable.
18090 (find_omp_clause): Make static.
18091 (is_in_combined_parallel_ctx): Remove.
18092 (is_combined_parallel): New.
18093 (extract_omp_for_data): Move earlier in the file.
18094 (workshare_safe_to_combine_p): New.
18095 (get_ws_args_for): New.
18096 (determine_parallel_type): Move earlier in the file.
18097 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
18099 (omp_copy_decl): Likewise.
18100 (create_omp_child_function): Likewise.
18101 (lookup_omp_region): New.
18102 (dump_omp_region): New.
18103 (debug_omp_region): New.
18104 (debug_all_omp_regions): New.
18105 (new_omp_region): New.
18106 (scan_omp_parallel): If parallel_nesting_level > 1, the
18107 directive is nested within another parallel directive.
18108 Set OMP_PARALLEL_FN.
18109 (scan_omp_for): Do not try to handle combined parallel+for
18111 Remove FIXME comment.
18112 (scan_omp_nested): Remove.
18113 (scan_omp_1): Do not call scan_omp_nested when
18114 parallel_nesting_level is > 1.
18115 Do not change the DECL_CONTEXT of local variables found.
18116 (lookup_decl_in_outer_ctx): New.
18117 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
18118 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
18119 (lower_reduction_clauses): Rename from expand_reduction_clauses.
18120 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
18121 If CTX is nested, lookup VAR in the outer context when
18122 building copy assignment.
18123 (lower_send_clauses): Rename from expand_send_clauses.
18124 If CTX is nested, lookup VAR in the outer context when
18125 building copy assignments.
18126 (lower_send_shared_vars): Rename from expand_send_shared_vars.
18127 If CTX is nested, lookup VAR in the outer context when
18128 building copy assignments.
18129 (expand_parallel_call): Rename from build_parallel_call.
18130 Handle combined parallel+workshare cases.
18131 Re-implement to emit code into the CFG.
18133 (expand_omp_parallel): Re-implement to emit code into the CFG.
18134 Call move_sese_region_to_fn to outline the sub-graph
18135 containing the parallel region.
18136 (expand_omp_for_1): Remove.
18137 (expand_omp_for_generic): Re-implement to emit code into the
18139 (expand_omp_for_static_nochunk): Likewise.
18140 (expand_omp_for_static_chunk): Likewise.
18141 (expand_omp_for): Likewise.
18142 (expand_omp_sections): Likewise.
18143 (remove_exit_barriers): New.
18144 (expand_omp_synch): New.
18146 (build_omp_regions_1): New.
18147 (build_omp_regions): New.
18148 (execute_expand_omp): New.
18149 (gate_expand_omp): New.
18150 (pass_expand_omp): Define.
18151 (lower_omp_sections): Rename from expand_omp_sections.
18152 Set OMP_SECTIONS_SECTIONS.
18153 (lower_omp_single_simple): Rename from expand_omp_single_simple.
18154 (lower_omp_single_copy): Rename from expand_omp_single_copy.
18155 (lower_omp_single): Rename from expand_omp_simple.
18156 (lower_omp_master): Rename from expand_omp_master.
18157 (lower_omp_ordered): Rename from expand_omp_ordered.
18158 (lower_omp_critical): Rename from expand_omp_critical.
18159 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
18160 (lower_omp_for): Re-implement.
18161 (lower_omp_parallel): Re-implement.
18162 (lower_regimplify): Rename from expand_regimplify.
18163 (lower_omp_1): Rename from expand_omp_1.
18164 If there are syntax errors in the program, replace every
18165 OpenMP directive with NOP.
18166 Call lower_omp_* instead of expand_omp_*.
18167 (lower_omp): Rename from expand_omp.
18169 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
18170 * tree-gimple.h (enum omp_parallel_type): Remove.
18171 (gimple_boolify): Declare extern.
18172 (find_omp_clause, determine_parallel_type): Remove.
18174 * gimple-low.c (lower_omp_directive): New.
18175 (lower_stmt): Call it.
18176 (record_vars_into): Move from ...
18177 (record_vars): ... here.
18178 Call record_vars_into with current_function_decl.
18180 * gimplify.c (struct gimplify_ctx): Remove fields
18181 combined_pre_p and combined_ctxp. Update users.
18182 (get_formal_tmp_var): Add documentation.
18183 (gimple_boolify): Make extern.
18184 (gimplify_expr_in_ctx): Remove. Update callers.
18185 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
18186 will always be a BIND_EXPR.
18187 (gimplify_expr): Handle OMP_RETURN_EXPR.
18188 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
18189 (OMP_PARALLEL): Add 3 operands.
18190 (OMP_SECTIONS): Add 1 operand.
18191 (OMP_RETURN_EXPR): Define.
18193 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
18194 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
18195 * tree-iterator.c (alloc_stmt_list): Assert that we are not
18196 creating a circular free list.
18197 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
18199 * tree-flow.h (move_sese_region_to_fn): Declare.
18200 (record_vars_into): Declare.
18201 * tree-cfg.c (make_omp_sections_edges): New.
18202 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
18203 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
18204 OMP_SECTIONS and OMP_SECTION.
18205 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
18206 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
18207 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
18208 (gather_blocks_in_sese_region): New.
18209 (struct move_stmt_d): Declare.
18210 (move_stmt_r): New.
18211 (move_block_to_fn): New.
18212 (move_sese_region_to_fn): New.
18214 * passes.c (init_optimization_passes): Schedule
18215 pass_expand_omp after pass_init_datastructures.
18217 * tree-ssa-operands.c (get_expr_operands): Handle
18218 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
18219 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
18221 2006-01-19 Jeff Law <law@redhat.com>
18223 * tree-vrp.c (extract_range_from_assert): Refine the result range
18224 if the variable referenced by the ASSERT_EXPR has a range and
18225 either the tentative result range or the previous range is a
18228 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18230 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
18232 2006-01-19 Jan Hubicka <jh@suse.cz>
18234 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
18236 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
18238 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
18239 (expand_compound_operation, expand_field_assignment): Fail if the
18240 bit lengths of an extract operation are out of range.
18241 (make_extraction): Compute wanted_inner_mode based on the position
18242 and length of the extraction. Make it extraction_mode for non-constant
18243 positions, and do not modify offset in that case. When generating a
18244 new MEM, use a mode that can hold the extraction while keeping correct
18245 alignment. Remove code that supported MEMs wrapped by USEs.
18246 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
18248 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
18250 * config/s390/s390.md ("Y", "y"): New mode attribute.
18251 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
18252 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
18253 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
18254 "*addsi3_imm_cc", "*addsi3_carry1_cc",
18255 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
18256 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
18257 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
18258 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
18259 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
18260 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
18261 "addsi3", "subsi3"): Insn patterns removed.
18262 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
18263 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
18264 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
18265 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
18266 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
18267 "*sub<mode>3_cconly2"): New insn patterns.
18268 ("addsi3", "subsi3"): New expanders.
18270 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
18272 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
18273 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
18274 existing STMT_VINFO_VECTYPE if available.
18275 (vect_mark_relevant): Add special handling for stmts that are
18276 marked as STMT_VINFO_IN_PATTERN_P.
18277 (vect_analyze_loop): Call vect_pattern_recog.
18278 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
18279 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
18281 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
18282 (vect_recog_func_ptr): New function-pointer type.
18283 * tree-vect-patterns.c: New file.
18284 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
18285 (vect_recog_dot_prod_pattern, vect_pattern_recog):
18286 (vect_pattern_recog_1): New functions.
18287 (vect_pattern_recog_funcs): New array of function pointers.
18289 * tree-vectorizer.h (ternary_op): New enum value.
18290 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
18291 declaration. Revised documentation. Removed redundant dump prints.
18292 Removed redundant argument. Added support for reduction patterns.
18293 (vectorizable_reduction): Added support for reduction patterns.
18294 (vect_transform_stmt): Added support for patterns.
18296 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
18297 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
18298 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
18299 (expand_widen_pattern_expr): New function.
18300 (init_optabs): Initialize new optabs udot_prod_optab,
18302 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
18303 (sdot_prod_optab, udot_prod_optab): Define new optabs.
18304 (expand_widen_pattern_expr): New function declaration.
18305 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
18307 * tree-inline.c (estimate_num_insns_1): Added cases for new
18308 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18309 * tree-pretty-print.c (dump_generic_node): Likewise.
18310 (op_prio): Likewise.
18311 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
18312 * tree-ssa-operands.c (get_expr_operands): Added case for
18314 * tree-vect-patterns.c (widened_name_p): New function.
18315 (vect_recog_dot_prod_pattern): Added function implementation.
18316 * tree-vect-transform.c (get_initial_def_for_reduction): Added
18317 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
18318 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
18319 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
18321 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
18322 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
18323 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
18324 (init_optabs): Initialize new optabs widen_ssum_optab,
18326 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
18327 (widen_ssum_optab, widen_usum_optab): Define new optabs.
18328 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
18329 use instead of type of def.
18330 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
18331 function implementation.
18332 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
18333 widen_ssumv8hi): New.
18335 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
18338 2006-01-19 Richard Sandiford <richard@codesourcery.com>
18341 * c-decl.c (add_flexible_array_elts_to_size): New function.
18342 (finish_decl): Use it.
18344 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
18346 * diagnostic.h: Include options.h.
18347 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
18348 dependancies for diagnostic.h.
18349 * Makefile.in (DIAGNOSTIC_H): Add options.h.
18351 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
18353 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
18354 (ssa_ro_call_cache_valid): Ditto.
18355 * tree-ssa-alias.c (sort_tags_by_id): New function.
18356 (init_transitive_clobber_worklist): Ditto.
18357 (add_to_worklist): Ditto.
18358 (mark_aliases_call_clobbered): Ditto.
18359 (compute_tag_properties): Ditto.
18360 (set_initial_properties): Ditto.
18361 (compute_call_clobbered): Ditto.
18362 (compute_may_aliases): Call compute_call_clobbered and grouping.
18363 (compute_flow_sensitive_aliasing): Remove clobbering related code.
18364 (compute_flow_insensitive_aliasing): Grouping now happens in our
18366 (setup_pointers_and_addressables): Remove clobbering related code.
18367 (add_may_alias): Ditto.
18368 (replace_may_alias): Ditto.
18369 (get_nmt_for): Ditto.
18370 (create_global_var):
18371 (is_escape_site): Return an escape_type enumeration.
18372 * tree-flow-inline.h (is_call_clobbered): Global var does not
18373 imply call clobbered.
18374 (mark_call_clobbered): Take a reason for marking this. Remove
18375 marking of globalness, and cache invalidation.
18376 (clear_call_clobbered): Remove cache invalidation code.
18377 * tree-dfa.c (dump_variable): If details is on, dump the reason
18379 * tree-outof-ssa.c (create_temp): Copy escape mask from original
18381 * tree-flow.h (struct ptr_info_def): Add escape mask member.
18382 (struct var_ann_d): Ditto.
18383 (enum escape_type): New.
18384 (mark_call_clobbered): Adjust prototype.
18385 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
18386 are never call clobbered.
18387 Record reasons for escaping.
18388 * tree-ssa-structalias.h (is_escape_site): Update prototype.
18389 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
18390 (ssa_ro_call_cache_valid): Ditto.
18391 (clobbered_v_may_defs): Ditto.
18392 (clobbered_vuses): Ditto.
18393 (ro_call_vuses): Ditto.
18394 (clobber_stats): New.
18395 (init_ssa_operands): Zero out clobber stats.
18396 (fini_ssa_operands): Print out clobber stats.
18397 (get_call_expr_operands): Pass callee fndecl to
18398 add_call_read_ops).
18399 (add_call_clobber_ops): Remove use of cache.
18400 Add use of PURE_CONST information.
18401 (add_call_read_ops): Remove use of cache.
18402 Add use of static not_read information.
18404 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
18406 Introduce TLS descriptors for i386 and x86_64.
18407 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
18408 (TARGET_ANY_GNU_TLS): New macro.
18409 (enum tls_dialect): Added TLS_DIALECT_GNU2.
18410 (struct machine_function): Add tls_descriptor_call_expanded_p.
18411 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
18412 (ix86_current_function_calls_tls_descriptor): Likewise.
18413 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
18414 (override_options): Introduce gnu2 tls dialect.
18415 (ix86_frame_pointer_required): Functions containing TLSCALLs are
18417 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
18419 (legitimize_tls_address): Adjust logic for GNU2 TLS.
18420 (ix86_init_machine_status): Initialize new field.
18421 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
18422 (ix86_tls_module_base): New.
18423 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
18424 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
18425 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
18426 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
18427 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
18428 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
18429 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
18430 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
18431 * config/i386/predicates.md (tls_modbase_operand): New.
18432 (tp_or_register_operand): New.
18434 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
18436 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
18437 (look_for_address_of): Ditto.
18438 (ipa_init): Walk the function decls.
18439 (static_execute): Don't set readonly on FUNCTION_DECL's.
18441 2006-01-18 Roger Sayle <roger@eyesopen.com>
18443 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
18444 for shifts where the source and destination registers are different.
18446 2006-01-18 Paul Brook <paul@codesourcery.com>
18448 Merge from csl-arm-branch.
18449 2005-03-14 Julian Brown <julian@codesourcery.com>
18450 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
18451 (aeabi_llsl): Likewise.
18452 (ashrdi3): Likewise.
18453 (aeabi_lasr): Likewise.
18454 (lshrdi3): Likewise.
18455 (aeabi_llsr): Likewise.
18456 2005-03-10 Julian Brown <julian@codesourcery.com>
18457 * config.gcc: Disable shared libgcc for SymbianOS.
18458 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
18460 2006-01-18 DJ Delorie <dj@redhat.com>
18462 * c-pragma.c (handle_pragma_diagnostic): New.
18463 (init_pragma): Register it.
18464 * doc/extend.texi: Document it.
18466 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
18467 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
18468 (diagnostic_context): Add classify_diagnostic[].
18469 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
18470 as errors if they're overridden to DK_WARNING.
18471 (diagnostic_initialize): Initialize classify_diagnostic[].
18472 (diagnostic_set_kind_override): New.
18473 (diagnostic_report_diagnostic): Check for kind changes.
18474 * opts.c (common_handle_option): Take lang_mask. Update callers.
18475 Handle OPT_Werror_.
18476 * common.opt (Werror=): New.
18477 * doc/invoke.texi: Document -Werror=*
18479 2006-01-18 Jeff Law <law@redhat.com>
18481 * tree-vrp.c (test_for_singularity): Correct test for new
18482 min limit. Use operand_equal_p rather than pointer equality
18483 for testing if new min/max values are equal.
18485 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
18486 using range information until after propagation and folding.
18488 2006-01-18 Richard Henderson <rth@redhat.com>
18489 Aldy Hernandez <aldyh@redhat.com>
18490 Jakub Jelinek <jakub@redhat.com>
18491 Diego Novillo <dnovillo@redhat.com>
18493 * omp-low.c: New file.
18494 * c-omp.c: New file.
18496 2006-01-18 Richard Henderson <rth@redhat.com>
18497 Jakub Jelinek <jakub@redhat.com>
18498 Diego Novillo <dnovillo@redhat.com>
18500 * doc/invoke.texi: Document -fopenmp.
18501 * tree-dump.h (debug_function): Declare.
18502 * hooks.c (hook_bool_tree_bool_false): New function.
18503 (hook_tree_tree_null): Remove.
18504 (hook_tree_tree_tree_null): New.
18505 * hooks.h: Update to match.
18506 * tree-pretty-print.c (debug_tree_chain): New.
18507 (print_generic_expr): Handle TDF_CHAIN.
18508 (dump_generic_node): Handle BLOCK.
18509 Do not abort with incomplete SWITCH_EXPRs.
18510 Do not dump body of an OpenMP directive if TDF_SLIM is given.
18511 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
18512 print space after directive name.
18513 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
18514 Handle OMP_MASTER and OMP_ORDERED.
18515 Handle printing of OMP_BODY just in one place, goto
18516 dump_omp_body in the rest of OMP_* nodes that have
18518 Don't handle clause nodes here. Update omp statements to
18519 use dump_omp_clauses.
18520 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
18521 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
18522 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
18523 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
18524 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
18525 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
18526 Adjust output for GOMP_PARALLEL.
18527 (dump_omp_clauses): New.
18528 (print_declaration): Dump DECL_VALUE_EXPR.
18529 (op_symbol_1): Split out of op_symbol.
18530 (dumping_stmts): Remove. Update all users.
18531 * cgraph.c (cgraph_analyze_queue): New.
18532 (cgraph_add_new_function): New.
18533 * cgraph.h (cgraph_analyze_queue): Declare.
18534 (cgraph_add_new_function): Declare.
18535 (cgraph_lower_function): Remove.
18536 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
18537 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
18538 and TYPE_P nodes in its default clause.
18539 (empty_body_p): New.
18540 (tree_range_check_failed): New.
18541 (build5_stat): New.
18542 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
18543 OMP_CLAUSE_REDUCTION_MERGE,
18544 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
18545 OMP_CLAUSE_PRIVATE_DEBUG,
18546 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
18547 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
18548 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
18549 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
18550 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
18551 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
18552 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
18553 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
18554 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
18555 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
18556 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
18557 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
18558 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
18559 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
18560 (TREE_RANGE_CHECK): New.
18561 (empty_body_p): Declare.
18562 (enum omp_clause_default_kind): New.
18563 (build_string_literal): Declare.
18564 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
18565 (build5_stat, build5): Declare.
18566 * tree-pass.h (TDF_CHAIN): Define.
18567 * tree-pass.h (PROP_gimple_lomp): Define.
18568 (pass_lower_omp): Declare.
18569 * diagnostic.h (debug_tree_chain): Declare.
18570 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
18572 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
18573 * builtins.c (build_string_literal): Make extern.
18574 * gcc.c (include_spec_function): New.
18575 (static_spec_functions): Add it.
18576 (main): Move load of libgomp.spec ...
18577 (LINK_COMMAND_SPEC): ... here.
18578 (link_gomp_spec): New.
18579 (static_specs): Include it.
18580 (LINK_COMMAND_SPEC): Add link_gomp.
18581 (GOMP_SELF_SPECS): New.
18582 (driver_self_specs): Include it.
18583 (switch_matches): Don't mark inline.
18584 (main): Load libgomp.spec.
18585 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
18586 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
18587 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
18588 * tree-gimple.h (enum omp_parallel): Declare.
18589 (determine_parallel_type): Declare.
18590 (omp_firstprivatize_variable): Declare.
18591 (omp_reduction_init): Declare.
18592 (diagnose_omp_structured_block_errors): Declare.
18593 (struct walk_stmt_info): Add want_return_expr.
18594 (struct walk_stmt_info): Add want_bind_expr, want_locations.
18595 (find_omp_clause): Declare.
18596 (insert_field_into_struct): Declare.
18597 (struct walk_stmt_info): Move from tree-nested.c
18598 (walk_stmts): Declare.
18599 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
18601 * cgraphunit.c (cgraph_lower_function): Make static.
18602 (cgraph_finalize_pending_functions): New.
18603 (cgraph_finalize_function): Call it.
18604 (cgraph_finalize_compilation_unit): Likewise.
18605 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
18606 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
18607 (BT_FN_UINT_UINT): New.
18608 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
18609 DEF_FUNCTION_TYPE_VAR_4): Document.
18610 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
18611 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
18612 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
18613 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
18614 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
18615 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
18616 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
18617 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
18618 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
18619 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
18620 into separate files.
18621 (DEF_GOMP_BUILTIN): New.
18622 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
18623 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
18624 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
18625 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
18626 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
18627 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
18628 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
18629 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
18630 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
18631 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
18632 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
18633 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
18634 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
18635 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
18636 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
18637 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
18638 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
18639 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
18640 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
18641 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
18642 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
18643 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
18644 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
18645 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
18646 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
18647 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
18648 * sync-builtins.def: New file, moved from builtins.def.
18649 * omp-builtins.def: New file, moved from builtins.def.
18650 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
18651 * gimple-low.c (lower_function_body): Clear data.
18652 (lower_stmt): Do not handle COMPOUND_EXPR.
18653 Remove call to print_node_brief.
18654 * c-tree.h (c_finish_omp_clauses): New prototype.
18655 (C_DECL_THREADPRIVATE_P): Define.
18656 (lookup_name_no_remap, c_omp_remap_private): Remove
18657 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
18658 (check_for_loop_decls): Update decl.
18659 (lookup_name_no_remap, c_omp_remap_private): Declare.
18660 (build_indirect_ref, build_modify_expr, pushdecl,
18661 pushdecl_top_level): Move to c-common.h.
18662 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
18663 before the switch, but just in the 2 places that need it.
18664 * c-decl.c (diagnose_mismatched_decls): Do not check for
18665 mismatched thread-local attributes when OLDDECL is marked
18666 threadprivate and NEWDECL has no thread-local attributes.
18667 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
18668 (c_gimple_diagnostics_recursively): Rename from
18669 c_warn_unused_result_recursively. Invoke
18670 diagnose_omp_structured_block_errors.
18671 (check_for_loop_decls): Return a singular decl found.
18672 * langhooks.c (lhd_omp_predetermined_sharing): Return
18673 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
18674 (lhd_omp_firstprivatize_type_sizes): New.
18675 (lhd_omp_assignment): New.
18676 (lhd_omp_predetermined_sharing): New.
18677 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
18678 (struct lang_hooks_for_types): Add
18679 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
18680 omp_predetermined_sharing, omp_disregard_value_expr,
18681 omp_private_debug_clause, omp_clause_default_ctor,
18682 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
18683 (c_finish_omp_clauses): New.
18684 (c_finish_bc_stmt): Diagnose break within omp for.
18685 (c_begin_omp_parallel, c_finish_omp_parallel): New.
18686 (build_unary_op): Return error_mark after reporting
18688 (build_modify_expr): Likewise.
18689 * gimplify.c: Include optabs.h and pointer-set.h.
18690 (enum gimplify_omp_var_data): Declare.
18691 (struct gimplify_omp_ctx): Declare.
18692 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
18694 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
18695 (push_gimplify_context, pop_gimplify_context): Allow nesting.
18696 (splay_tree_compare_decl_uid): New.
18697 (new_omp_context): New.
18698 (delete_omp_context): New.
18699 (gimple_add_tmp_var): Call omp_add_variable.
18700 (gimplify_bind_expr): Likewise.
18701 (gimplify_var_or_parm_decl): If omp_notice_variable returned
18702 true, disregard DECL_VALUE_EXPR on the decl if any.
18703 (gimplify_expr_in_ctx): New.
18704 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
18705 omp_add_variable, omp_notice_variable, omp_is_private
18706 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
18707 gimplify_adjust_omp_clauses, gimplify_omp_parallel
18708 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
18709 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
18710 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
18711 gimplify_omp_atomic): New.
18712 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18713 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18714 OMP_CRITICAL and OMP_ATOMIC.
18715 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
18716 * c-pragma.h (enum pragma_kind): Add
18717 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
18718 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
18719 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
18720 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
18721 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
18722 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
18723 PRAGMA_OMP_THREADPRIVATE.
18724 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
18725 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
18726 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
18727 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
18728 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
18729 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
18730 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
18731 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
18732 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
18733 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
18734 * tree-ssa-dce.c (find_control_dependence): Do not assume that
18735 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
18736 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
18738 (struct nesting_info): Add field_map,
18739 suppress_expansion, debug_var_chain.
18740 (create_nesting_tree): Initialize them.
18741 (lookup_field_for_decl): Use field_map.
18742 (get_nonlocal_debug_decl, get_local_debug_decl): New.
18743 (convert_local_omp_clauses): New.
18744 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
18745 (walk_body): Split out of walk_function.
18746 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
18747 (convert_nonlocal_reference): Handle omp statements.
18748 (convert_local_reference): Likewise.
18749 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
18750 (unnest_nesting_tree): New.
18751 (lower_nested_functions): Call it.
18752 (insert_field_into_struct): Make extern.
18753 (struct walk_stmt_info): Move to tree-gimple.h.
18754 (walk_stmts): Make extern.
18755 * omp-builtins.def: New file.
18756 * tree-iterator.c (expr_only): Clarify comment.
18757 * c-common.h (pushdecl_top_level, pushdecl,
18758 build_modify_expr, build_indirect_ref,
18759 c_finish_omp_master, c_finish_omp_critical,
18760 c_finish_omp_ordered, c_finish_omp_barrier,
18761 c_finish_omp_atomic, c_finish_omp_flush,
18762 c_finish_omp_for, c_split_parallel_clauses,
18763 omp_clause_default_kind, c_omp_sharing_predetermined,
18764 c_omp_remap_decl): Declare.
18765 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
18766 (OBJS-common): Add omp-low.o.
18767 (c-omp.o, omp-low.o): Add.
18768 (gimplify.o): Add dependency on $(OPTABS_H).
18769 (GTFILES): Add omp-low.c.
18770 (gt-stringpool.h): Add.
18771 * tree-cfg.c (set_bb_for_stmt): Do not update the
18772 block-to-labels map if we are currently expanding to RTL.
18773 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
18775 Handle IDENTIFIER_NODE.
18776 (tree_verify_flow_info): Do not ICE when emitting error
18777 messages about invalid labels.
18778 (dump_function_to_file): Reset CFUN before emitting the body
18780 (debug_function): New.
18781 * passes.c (init_optimization_passes): Schedule
18783 * langhooks-def.h (lhd_omp_predetermined_sharing,
18784 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
18786 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
18787 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
18788 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
18789 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
18790 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
18791 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
18792 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
18793 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
18794 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
18795 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
18796 (LANG_HOOK_DECLS): Use them.
18798 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
18799 Richard Henderson <rth@redhat.com>
18800 Jakub Jelinek <jakub@redhat.com>
18801 Diego Novillo <dnovillo@redhat.com>
18803 * c-parser.c (pragma_omp_clause): Define.
18804 (c_parser_declaration_or_fndef): Document OpenMP syntax.
18805 (c_parser_compound_statement): Likewise.
18806 (c_parser_statement): Likewise.
18807 (c_parser_pragma): Handle omp pragmas.
18808 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
18809 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
18810 (c_parser_omp_clause_name, check_no_duplicate_clause,
18811 c_parser_omp_variable_list,
18812 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
18813 c_parser_omp_clause_copyprivate,
18814 c_parser_omp_clause_default,
18815 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
18816 c_parser_omp_clause_lastprivate,
18817 c_parser_omp_clause_nowait,
18818 c_parser_omp_clause_num_threads,
18819 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
18820 c_parser_omp_clause_reduction,
18821 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
18822 c_parser_omp_all_clauses, c_parser_omp_structured_block,
18823 c_parser_omp_atomic, c_parser_omp_barrier,
18824 c_parser_omp_critical, c_parser_omp_flush,
18825 c_parser_omp_for_loop, c_parser_omp_for,
18826 c_parser_omp_master, c_parser_omp_ordered,
18827 c_parser_omp_sections_scope, c_parser_omp_sections,
18828 c_parser_omp_parallel, c_parser_omp_single,
18829 c_parser_omp_construct, c_parser_omp_threadprivate): New.
18830 * c-pragma.c (init_pragma): Do omp pragma registration here.
18831 * c.opt (fopenmp): New flag.
18833 2006-01-18 Eric Christopher <echristo@apple.com>
18835 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
18836 * config/darwin.h (GOMP_SELF_SPECS): Define.
18838 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18840 * rtl.h: Remove the prototype for reg_alloc.
18842 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18845 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
18846 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
18847 sjlj and dwarf2 exception handling.
18848 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
18849 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
18850 * pa/pa.c (function_value): Treat complex and vector types as
18852 (function_arg): Likewise. Only pass scalar floats in the floating
18853 point argument registers.
18854 * pa/t-slibgcc-dwarf-ver: New file.
18855 * pa/t-slibgcc-sjlj-ver: New file.
18856 * pa/t-slibgcc-elf-ver: Delete file.
18858 2006-01-19 Alan Modra <amodra@bigpond.net.au>
18860 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
18861 unlikely_test_section_p test.
18863 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18865 * mode-switching.c (optimize_mode_switching): Make it static.
18866 * basic-block.h: Remove the prototype for
18867 optimize_mode_switching.
18869 * modulo-sched.c (sms_schedule): Make it static.
18870 * rtl.h: Remove the prototype for sms_schedule.
18872 * postreload-gcse.c (gcse_after_reload_main): Make it static.
18873 * rtl.h: Remove the prototype for gcse_after_reload_main.
18875 * reg-stack.c (reg_to_stack): Make it static.
18876 * rtl.h: Remove the prototype for reg_to_stack.
18878 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
18880 * rtl.h: Remove the prototypes for regrename_optimize and
18881 copyprop_hardreg_forward.
18883 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
18885 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
18886 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
18887 Test against the appropriate null constant for the mode.
18888 If 'fixup_overlap' is true, swap the operands if they overlap.
18889 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
18890 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
18891 alpha_split_tmode_pair and adjust for above change.
18892 * config/alpha/alpha.md (movtf_internal): Adjust call to
18893 alpha_split_tfmode_pair and rely on it to swap the operands.
18894 (movti_internal): New insn and post-reload splitter.
18895 (movti): New expander.
18897 2006-01-18 Philippe De Muyter <phdm@macqel.be>
18899 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
18902 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
18904 * rtlanal.c (global_reg_mentioned_p_1,
18905 global_reg_mentioned_p): Remove.
18906 * rtl.h: Remove the prototype for global_reg_mentioned_p.
18908 * flow.c (initialize_uninitialized_subregs): Make it static.
18909 * rtl.h: Remove the prototype for
18910 initialize_uninitialized_subregs.
18912 * function.c (instantiate_virtual_regs): Make it static.
18913 * function.h: Remove the prototype for
18914 instantiate_virtual_regs.
18916 * regmove.c (regmove_optimize, combine_stack_adjustments):
18918 * rtl.h: Remove the prototypes for regmove_optimize and
18919 combine_stack_adjustments.
18921 2006-01-17 Roger Sayle <roger@eyesopen.com>
18923 * config/i386/i386.c (COSTS_N_BYTES): New macro.
18924 (size_cost): Encode costs in bytes so that a reg-reg addition is
18925 equivalent to COSTS_N_INSNS(1).
18926 (override_options): Use the size_cost.branch_cost as the default
18927 ix86_branch_cost when optimizing for size.
18929 2006-01-18 Ben Elliston <bje@au.ibm.com>
18931 * Makefile.in (D32PBIT_FUNCS): New.
18932 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
18933 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
18934 D64PBIT_FUNCS and D128PBIT_FUNCS.
18935 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
18936 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
18938 (decnumber_dep): Define.
18939 * doc/libgcc.texi (Decimal float library routines): New node.
18940 * config/dfp-bit.h, config/dfp-bit.c: New files.
18942 2006-01-18 Ben Elliston <bje@au.ibm.com>
18944 * expr.c (emit_move_change_mode): Always adjust addresses, not
18945 just during reload. Copy replacements only during reload.
18946 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
18947 emit_move_via_integer.
18949 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
18951 * Makefile.in (check-%, check-consistency): Use $${srcdir}
18952 instead of $(srcdir) and ${srcdir}.
18954 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
18957 PR middle-end/11135
18958 * arm.h (struct machine_function): Add pic_reg.
18959 * arm.c (arm_pic_register): Make unsigned.
18960 (arm_override_options): Only set arm_pic_register if
18961 TARGET_SINGLE_PIC_BASE.
18962 (use_return_insn): Only test for a pic register if it is fixed.
18963 (arm_compute_save_reg0_reg12_mask): Likewise.
18964 (thumb_compute_save_reg_mask): Likewise.
18965 (legitimate_pic_operand): Factor out some known invariants.
18966 (legitimize_pic_address): If we don't have a fixed pic register,
18967 then set up a pseudo in the function entry sequence. Handle the
18968 pic base being in a pseudo.
18969 (arm_load_pic_register): Handle the pic register being in a pseudo.
18970 (arm_expand_prologue): Only set up the pic register if it is fixed.
18971 (thumb_expand_prologue): Likewise.
18972 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
18973 (pic_load_addr_based_insn): Likewise.
18974 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
18977 2006-01-18 Ben Elliston <bje@au.ibm.com>
18979 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
18980 decimal float modes for all floating point registers.
18982 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
18983 match_code "mem" with match_test "macho_lo_sum_memory_operand".
18985 2006-01-17 Jakub Jelinek <jakub@redhat.com>
18988 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
18989 even when the pointer is not NULL.
18991 2006-01-16 Ian Lance Taylor <ian@airs.com>
18993 * common.opt (ftoplevel-reorder): New option.
18994 * cgraph.c (cgraph_asm_nodes): New global variable.
18995 (cgraph_asm_last_node): New static variable.
18996 (cgraph_order): New global variable.
18997 (cgraph_create_node): Set new order field.
18998 (cgraph_varpool_node): Likewise.
18999 (decide_is_variable_needed): Return true if not
19000 flag_toplevel_reorder.
19001 (cgraph_add_asm_node): New function.
19002 * cgraph.h (struct cgraph_node): Add order field.
19003 (struct cgraph_varpool_node): Add order field.
19004 (struct cgraph_asm_node): Define.
19005 (cgraph_asm_nodes, cgraph_order): Declare.
19006 (cgraph_add_asm_node): Declare.
19007 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
19009 (cgraph_varpool_assemble_pending_decls): Call it.
19010 (cgraph_output_pending_asms): New static function.
19011 (cgraph_finalize_compilation_unit): Call it.
19012 (struct cgraph_order_sort): Define.
19013 (cgraph_output_in_order): New static function.
19014 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
19015 !flag_toplevel_reorder case.
19016 * c-parser.c: Include "cgraph.h".
19017 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
19019 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
19020 than -fno-unit-at-a-time.
19021 * doc/invoke.texi (Option Summary): Mention
19022 -fno-toplevel-reorder.
19023 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
19024 -funit-at-a-time documentation.
19026 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
19027 Kazu Hirata <kazu@codesourcery.com>
19029 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
19031 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
19033 * Makefile.in (FUNCTION_H): New. Use it instead of
19034 function.h throughout the file.
19035 * function.h: Include tree.h.
19037 2006-01-17 Ben Elliston <bje@au.ibm.com>
19039 * recog.c: Separate some functions with whitespace.
19041 2006-01-16 Richard Henderson <rth@redhat.com>
19043 Merge from gomp branch:
19044 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
19045 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
19046 and rename from struct inline_data. Rename callee* to dst*;
19047 caller* to src*; add copy_decl hook, transform_call_graph_edges,
19048 transform_new_cfg, transform_return_to_modify, and
19049 transform_lang_insert_block flags; remove cloning_p, versioning_p,
19051 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
19052 (copy_decl_for_dup): Remove.
19053 * tree-inline.c (struct inline_data): Move to header.
19054 (insert_decl_map): Export.
19055 (remap_decl): Update for member name changes. Use copy_decl hook.
19056 Allow for replacement to be a non-decl. Remove dead code.
19057 (remap_type_1): Check for existing mapping.
19058 (remap_type): Export.
19059 (remap_decls): Update for member name changes.
19060 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
19061 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
19062 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
19063 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
19064 (tree_function_versioning, build_duplicate_type): Likewise.
19065 (copy_body_r): Likewise. Export.
19066 (copy_decl_for_dup): Split into ...
19067 (copy_decl_for_dup_finish, copy_decl_to_var,
19068 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
19069 (replace_ref_tree, inlining_p): Remove.
19071 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19073 * ifcvt.c (if_convert): Make it static.
19074 * rtl.h: Remove the prototype for if_convert.
19076 * local-alloc.c (local_alloc): Make it static.
19077 * rtl.h: Remove the prototype for local_alloc.
19079 * loop.c (loop_optimize): Make it static.
19080 * cfgloop.h: Remove the prototype for loop_optimize.
19083 2006-01-16 DJ Delorie <dj@redhat.com>
19085 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
19088 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19090 * pa.md: Disparage copies between general and floating-point registers
19091 in 32-bit move patterns.
19093 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
19096 * Makefile.in (check-%): Depend on site.exp instead of
19097 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
19100 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19102 * global.c (global_alloc): Make it static.
19103 * rtl.h: Remove the prototype for global_alloc.
19105 2006-01-16 Richard Guenther <rguenther@suse.de>
19107 * tree-ssa-alias.c (struct used_part): Add write_only field.
19108 (get_or_create_used_part_for): Initialize it to true.
19109 (create_overlap_variables_for): Don't create structure variables
19110 for structures that only are written to.
19111 (find_used_portions): Handle MODIFY_EXPR to track whether a
19112 structure is only written to.
19114 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19116 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
19118 * basic-block.h: Remove the prototype for
19119 partition_hot_cold_basic_blocks.
19121 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
19123 * cppspec.c (lang_specific_spec_functions): Remove.
19124 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
19125 * gcc.h (lang_specific_spec_functions): Remove.
19126 * gccspec.c (lang_specific_spec_functions): Remove.
19128 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
19130 * combine.c (record_value_for_reg): Invalidate registers
19132 (record_dead_and_set_regs_1): Likewise, by passing them to
19133 record_value_for_reg.
19134 (record_dead_and_set_regs): Invalidate stores made by a
19135 call. We do not combine across a call, but we still
19136 relied on equivalences.
19138 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19140 * tree-vrp.c (extract_range_from_binary_expr): Cope with
19141 vrp_int_const_binop returning non-constant nodes.
19143 2006-01-16 Paul Brook <paul@codesourcery.com>
19145 * config/m68k/m68k.c (output_move_const_into_data_reg):
19146 Output correct mnemonic for mvz and mvs.
19148 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
19150 * rtl-factoring.c: Add sequence abstraction algorithm.
19151 * cfgcleanup.c (outgoing_edges_match): Extra checks.
19152 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
19154 (block_has_preserve_label): New function.
19155 * common.opt: Register new pass.
19156 * Makefile.in: Ditto.
19158 * timevar.def: Ditto.
19159 * tree-pass.h: Ditto.
19160 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
19161 * rtl.h (make_jump_insn_raw): Add forward decl.
19162 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
19164 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
19165 Roger Sayle <roger@eyesopen.com>
19167 * fold-const.c (fold_minmax): New static function.
19168 (fold_binary) <MIN_EXPR>: Call it.
19169 <MAX_EXPR>: Likewise.
19170 * stor-layout.c (place_field): Use DECL_SIZE consistently
19171 in the computation of the new record size.
19173 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
19175 * cse.c (cse_condition_code_reg): Make it static.
19176 * rtl.h: Remove the prototype for cse_condition_code_reg.
19178 * combine.c (combine_instructions): Make it static.
19179 * rtl.h: Remove the prototype for combine_instructions.
19181 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19184 * tree.c (get_file_function_name_long): Concatenate the first global
19185 object name with a string derived from the input filename of the object
19188 2006-01-16 Ben Elliston <bje@au.ibm.com>
19190 * config/i386/winnt-stubs.c: Update FSF address.
19191 * config/xtensa/ieee754-df.S: Ditto.
19192 * config/xtensa/ieee754-sf.S: Ditto.
19194 2006-01-14 Ian Lance Taylor <ian@airs.com>
19196 * ifcvt.c (noce_init_if_info): New static function, broken out of
19197 noce_process_if_block.
19198 (noce_process_if_block): Call noce_init_if_info.
19199 (check_cond_move_block): New static function.
19200 (cond_move_process_if_block): New static function.
19201 (process_if_block): Call cond_move_process_if_block.
19203 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
19205 * cselib.c (hash_table): Rename to cselib_hash_table.
19206 (cselib_clear_table, discard_useless_values,
19207 remove_useless_values, cselib_lookup_mem, cselib_lookup,
19208 cselib_init, cselib_finish): Adjust uses of hash_table.
19210 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
19212 PR tree-optimization/25485
19213 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
19214 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
19215 is known to be false and true, respectively.
19217 2006-01-14 Richard Guenther <rguenther@suse.de>
19219 PR tree-optimization/22548
19220 PR tree-optimization/22555
19221 PR tree-optimization/22501
19222 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
19223 * params.def (salias-max-array-elements): New parameter.
19224 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
19225 * doc/invoke.texi (salias-max-array-elements): Document.
19226 * tree-flow-inline.h (var_can_have_subvars): We also handle
19228 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
19230 * tree-ssa-structalias.c (params.h): Include.
19231 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
19232 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
19233 (get_constraint_for): For ADDR_EXPR operating on something
19234 containing an ARRAY_REF, add all subvars to the solution.
19235 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
19236 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
19237 for creating MUST_DEFs.
19238 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
19240 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
19242 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
19244 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
19245 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
19246 number_of_iterations_le): New functions.
19247 (number_of_iterations_special): Removed.
19248 (number_of_iterations_exit): Do not use number_of_iterations_special.
19249 * tree.c (unsigned_type_for): Always return integer type.
19251 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
19252 Richard Guenther <rguenther@suse.de>
19254 PR rtl-optimization/24257
19255 * gcse.c (find_moveable_store): Only consider a store movable
19256 when the SET_SRC of the insn can be assigned to a register.
19258 2006-01-14 Ian Lance Taylor <ian@airs.com>
19260 * tree.c (tree_not_class_check_failed): New function.
19261 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
19262 (tree_not_class_check_failed): Declare.
19264 2006-01-13 Ian Lance Taylor <ian@airs.com>
19266 * reload1.c (do_output_reload): Add assertion rejecting a
19269 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
19271 * combine.c (struct reg_stat): Add new fields truncation_label and
19273 (record_value_for_reg): Reset truncated_to_mode.
19274 (record_truncated_value): New function.
19275 (check_promoted_subreg): Call it. Rename to check_conversions.
19276 (combine_instructions): Rename check_promoted_subreg to
19278 (reg_truncated_to_mode): New function.
19279 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
19280 (gen_lowpart_or_truncate): New function.
19281 (force_to_mode): Use it instead of gen_lowpart.
19283 2006-01-13 Diego Novillo <dnovillo@redhat.com>
19285 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
19286 VAR is a tag, not its type tag.
19288 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
19290 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
19291 alternatives to match style of other entries.
19292 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
19294 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
19296 PR tree-optimization/25771
19297 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
19300 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
19303 * tree-inline.c (declare_return_variable): If the return variable
19304 was marked as a non gimple complex, set the return slot variable
19305 to be a non gimple comple variable.
19307 2006-01-13 Richard Guenther <rguenther@suse.de>
19309 * builtins.c (expand_builtin_sincos): New function.
19310 (expand_builtin_mathfn_3): Remove dead code, sin and cos
19312 (expand_builtin): Expand sincos using expand_builtin_sincos.
19314 2006-01-12 DJ Delorie <dj@redhat.com>
19316 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
19317 shift counts, separate SI shifts for m32c vs m16c, pass shift type
19318 so that constant shifts can be split.
19319 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
19320 (m32c_valid_pointer_mode): Make static.
19321 (shift_gen_func_for): New.
19322 (m32c_prepare_shift): Use it. Split large const shifts into
19324 * config/m32c/predicates.md (shiftcount_operand): Allow more
19326 (longshiftcount_operand): New.
19327 * doc/md.texi (Machine Constraints): Document In6.
19329 2006-01-13 Ben Elliston <bje@au.ibm.com>
19331 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
19332 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
19335 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
19337 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
19338 to try to avoid clobbering pieces of structures when we know
19339 something about the whole structure.
19340 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
19342 2006-01-13 Ben Elliston <bje@au.ibm.com>
19344 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
19345 return in memory, as this is no limitation is no longer present.
19347 2006-01-12 DJ Delorie <dj@redhat.com>
19349 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
19350 mova with fb, and for fb+0 -> An.
19352 * config/m32c/mov.md (peephole2): Fix enabling logic.
19354 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
19355 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
19356 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
19357 FINI_ARRAY_SECTION_ASM_OP): Define.
19359 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
19361 (m32c_legitimize_reload_address): New logic to reload FB to An.
19362 (m32c_output_reg_push): Add newline.
19363 (m32c_output_reg_pop): Likewise.
19365 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
19367 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
19369 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
19371 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
19373 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19375 * config/sh/predicates.md (sh_rep_vec): Add parallel to
19378 2006-01-11 Ben Elliston <bje@au.ibm.com>
19380 * rtlanal.c (find_reg_note): Assert insn is not null.
19382 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19384 * df-scan.c (df_hard_reg_init): Move declaration of i outside
19387 2006-01-11 Jeff Law <law@redhat.com>
19389 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
19391 (mark_threaded_blocks, register_jump_thread): New functions.
19392 (thread_through_all_blocks): Remove unwanted argument. No
19393 longer rely on e->aux to communicate thread target info.
19394 Call mark_threaded_blocks. Release the threaded_blocks
19395 bitmap and threaded_edges vector when complete.
19396 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
19397 (threaded_blocks): Remove.
19398 (tree_ssa_dominator_optimize): Remove initialization and
19399 finalization of threaded_blocks. Simplify call to
19400 thread_through_all_blocks.
19401 (thread_across_edge): Call register_jump_thread rather than
19402 storing thread information into e->aux.
19403 (free_all_edge_infos): Simplify now that e->aux is no longer
19404 used to communicate with thread_through_all_blocks.
19405 * tree-flow.h (thread_through_all_blocks): Update prototype.
19406 (register_jump_thread): Prototype.
19408 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19410 * df-core.c (df_compact_blocks, df_bb_replace): Use
19411 SET_BASIC_BLOCK instead of BASIC_BLOCK.
19413 2006-01-11 Richard Guenther <rguenther@suse.de>
19415 PR tree-optimization/25734
19416 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
19417 stop propagation after successful propagation to the LHS.
19419 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
19421 * basic-block.h (control_flow_graph): Change the type of
19422 x_basic_block_info to VEC(basic_block,gc) *.
19423 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
19425 (SET_BASIC_BLOCK): New.
19426 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
19427 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
19428 * cfgbuild.c (find_basic_blocks): Likewise.
19429 * cfglayout.c (fixup_reorder_chain): Likewise.
19430 * cfgrtl.c (create_basic_block_structure,
19431 rtl_create_basic_block): Likewise.
19432 * ifcvt.c (find_if_case_1): Likewise.
19433 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
19436 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
19438 * Makefile.in: Removed rotted odf.c entry.
19440 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
19443 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
19444 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
19445 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
19446 output pattern modifier, not %e.
19447 * config/cris/cris.c (cris_op_str): Update comment about pattern
19449 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
19450 before falling through into...
19451 <case 'E'>: Redefined from old 'e' case.
19453 2006-01-11 Jan Hubicka <jh@suse.cz>
19456 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
19458 2006-01-11 Jan Hubicka <jh@suse.cz>
19460 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
19461 * i386.c (x86_decompose_lea): Kill.
19462 (ix86_rtx_costs): Kill.
19464 2006-01-11 Jan Hubicka <jh@suse.cz>
19466 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
19467 * cgraph.h (cgraph_node): Add inline_decl.
19468 (cgraph_insert_node_to_hashtable): Declare.
19469 (save_inline_function_body): Declare.
19470 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
19472 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
19473 (cgraph_function_versioning): Update call of tree_function_versioning.
19474 (save_inline_function_body): New function.
19475 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
19476 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
19477 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
19478 (cgraph_default_inline_p): Likewise.
19479 (cgraph_decide_inlining_incrementally): Likewise.
19480 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
19481 (copy_bb): Kill saving; do updating of clones.
19482 (copy_cfg_body): Kill saving.
19483 (initialize_inlined-parameters): Likewise.
19484 (expand_call_inline): Likewise.
19486 (tree_function_versioning): New parameter "update_clones".
19487 (inlining_p): Kill saving.
19488 * tree-inline.h (tree_function_versioning): Update prototype.
19489 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
19492 2006-01-11 Ian Lance Taylor <ian@airs.com>
19494 * combine.c (struct undo): Remove is_int. Enumify types of undos.
19495 Allow undoing set of machine mode.
19496 (do_SUBST): Use enums instead of is_int.
19497 (do_SUBST_MODE): New function.
19498 (SUBST_MODE): New macro.
19499 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
19500 reg and trying to replace reg_regno_rtx with a new register.
19501 (undo_all): Use new enums, handle undoing a PUT_MODE change.
19502 (simplify_set): Use SUBST_MODE.
19503 (distribute_notes): Remove code that tried to update reg notes
19504 for regno_reg_rtx changes.
19506 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
19508 PR tree-optimization/23109
19509 PR tree-optimization/23948
19510 PR tree-optimization/24123
19512 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
19513 * tree-cfg.c (single_noncomplex_succ): New.
19514 * tree-flow.h (single_noncomplex_succ): Declare it.
19515 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19516 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
19517 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
19518 insert_bb, register_division_in, insert_reciprocals,
19519 replace_reciprocal, free_bb): New.
19520 (execute_cse_reciprocals_1): Rewritten.
19521 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
19522 Do not commit any edge insertion. Always compute dominators and
19523 create the allocation pool.
19524 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
19525 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
19526 * targhooks.c (default_min_divistions_for_recip_mul): New.
19527 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
19528 * passes.c (init_optimization_passes): Run recip after tree loop
19530 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
19532 2006-01-11 Danny Berlin <dberlin@dberlin.org>
19533 Kenneth Zadeck <zadeck@naturalbridge.com>
19535 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
19536 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
19537 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
19538 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
19539 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
19540 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
19541 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
19542 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
19543 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
19544 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
19545 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
19546 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
19547 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
19548 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
19549 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
19550 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
19551 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
19552 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
19553 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
19554 DF_SCAN_POST_ALLOC): New macros.
19555 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
19556 df_free_bb_function, df_local_compute_function, df_init_function,
19557 df_dataflow_function, df_confluence_function_0,
19558 df_confluence_function_n, df_transfer_function,
19559 df_finalizer_function, df_free_function, df_dump_problem_function,
19560 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
19561 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
19562 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
19563 df_urec_bb_info, ) New types.
19564 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
19566 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
19567 df_analyze_simple_change_some_blocks,
19568 df_analyze_simple_change_one_block, df_compact_blocks,
19569 df_bb_replace, df_bb_regno_last_use_find,
19570 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
19571 df_insn_regno_def_p, df_find_def, df_find_use,
19572 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
19573 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
19574 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
19575 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
19576 debug_df_chain, df_get_dependent_problem, df_chain_create,
19577 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
19578 df_grow_bb_info, df_chain_dump, df_print_bb_index,
19579 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
19580 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
19581 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
19582 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
19583 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
19584 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
19585 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
19586 df_ref_remove, df_insn_refs_delete, df_refs_delete,
19587 df_reorganize_refs, df_set_state, df_hard_reg_init,
19588 df_read_modify_subreg_p) New public functions.
19589 * df-core.c: The core dataflow solver and glue routines for rtl
19591 (df_init, df_add_problem, df_set_blocks, df_finish,
19592 df_hybrid_search_forward, df_hybrid_search_backward,
19593 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
19594 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
19595 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
19596 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
19597 df_reg_defined, df_find_use, df_reg_used, df_dump,
19598 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
19599 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
19600 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
19601 debug_df_useno, reset_df_after_reload): New functions.
19602 * df-scan.c: The scanning fuctions, once in df.c, completely
19603 rewritten so that they now fully model the functionality of
19604 register usage at the backend.
19605 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
19606 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
19607 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
19608 df_grow_insn_info, df_rescan_blocks, df_ref_create,
19609 df_get_artificial_defs, df_get_artificial_uses,
19610 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
19611 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
19612 df_refs_delete, df_reorganize_refs, df_set_state,
19613 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
19614 df_def_record_1, df_defs_record, df_uses_record,
19615 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
19616 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
19617 df_record_exit_block_uses, df_hard_reg_init): New functions.
19619 * df-problems.c: Seven concrete dataflow problems that use the
19620 scanning in df-scan.c and are solved by the engine in df-core.c.
19621 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
19622 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
19623 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
19624 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
19625 df_ru_free_bb_info, df_ru_alloc,
19626 df_ru_bb_local_compute_process_def,
19627 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
19628 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
19629 df_ru_transfer_function, df_ru_free, df_ru_dump,
19630 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
19631 df_rd_free_bb_info, df_rd_alloc,
19632 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
19633 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
19634 df_rd_transfer_function, df_rd_free, df_rd_dump,
19635 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
19636 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
19637 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
19638 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
19639 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
19640 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
19641 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
19642 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
19643 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
19644 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
19645 df_urec_mark_reg_change, df_urec_check_earlyclobber,
19646 df_urec_mark_reg_use_for_earlyclobber,
19647 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
19648 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
19649 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
19650 df_urec_dump, df_urec_add_problem, df_chain_alloc,
19651 df_chain_create_bb_process_use, df_chain_create_bb,
19652 df_chain_finalize, df_chain_free, df_chains_dump,
19653 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
19654 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
19655 df_reg_lifetime): New functions.
19656 * df.c: Deleted file.
19657 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
19658 consistent with new df api.
19659 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
19660 rest_of_handle_sms): Ditto.
19661 * web.c (unionfind_union, union_defs, entry_register, web_main):
19663 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
19664 invariant_expr_equal_p, find_defs, check_dependencies,
19665 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
19666 free_inv_motion_data, move_loop_invariants): Ditto.
19667 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
19668 Update dependencies.
19669 (odf.c): Added defective entry that was deleted later in day.
19670 * sched-deps.c (sched_analyze_1): Ditto.
19672 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
19674 * tree-ssa-operands.c (get_expr_operands): Record addressable
19675 variables directly. Do not call add_stmt_operands for CONST_DECLs
19677 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
19678 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
19680 2006-01-11 Ben Elliston <bje@au.ibm.com>
19682 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
19683 function returns true in the positive case.
19685 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
19688 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
19689 for SI, DI, SF and DF modes. Add alternatives to copy between
19690 general and floating point registers to the 32-bit patterns.
19691 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
19692 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
19693 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
19694 generating 64-bit code.
19695 * config/pa/pa.c (output_move_double): Handle copies between general
19696 and floating registers.
19698 2006-01-10 Stuart Hastings <stuart@apple.com>
19700 * config/i386/i386.md (set_got): Update.
19701 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
19702 (builtin_setjmp_receiver): Mach-O support.
19703 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
19704 (GOT_SYMBOL_NAME): Define.
19705 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
19706 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
19707 * config/i386/i386.c (override_options): Revise for Darwin.
19708 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
19709 support. (darwin_x86_file_end): New. (output_set_got): Add label
19710 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
19711 * config/i386/i386-protos.h (output_set_got): Likewise.
19712 * config/darwin.c (machopic_legitimize_pic_address): Update
19715 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
19717 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
19718 when MODE isn't BLKmode.
19720 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
19722 PR rtl-optimization/25367
19723 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
19725 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
19728 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
19729 for a negative bound.
19731 2006-01-10 Richard Guenther <rguenther@suse.de>
19733 * tree-ssa-structalias.c (get_constraint_for_component_ref):
19734 Never override with anything constraint.
19736 2006-01-10 Jan Beulich <jbeulich@novell.com>
19738 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
19739 256 bits when optimize_size.
19741 2006-01-10 Jan Beulich <jbeulich@novell.com>
19743 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
19745 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
19746 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
19749 2006-01-10 Ben Elliston <bje@au.ibm.com>
19751 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
19753 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
19754 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
19755 (USE_FP_FOR_ARG): Reject decimal float modes.
19756 (function_arg_advance): Likewise.
19757 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
19758 (rs6000_handle_altivec_attribute): Do not permit decimal floating
19759 point types in AltiVec vectors.
19760 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
19761 (rs6000_libcall_value): Likewise.
19763 2006-01-09 Bob Wilson <bob.wilson@acm.org>
19765 * config/xtensa/ieee754-df.S: New file.
19766 * config/xtensa/ieee754-sf.S: New file.
19767 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
19768 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
19769 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
19771 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
19773 * config/sh/predicates.md (binary_float_operator,
19774 binary_logical_operator, commutative_float_operator,
19775 equality_comparison_operator, greater_comparison_operator,
19776 less_comparison_operator, logical_operator,
19777 noncommutative_float_operator, shift_operator,
19778 symbol_ref_operand, unary_float_operator): Remove redundant
19781 2006-01-09 Jeff Law <law@redhat.com>
19783 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
19784 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
19785 now unused arguments. Callers updated.
19786 (eliminate_redundant_computations): Remove now unused arguments,
19788 (local_fold): Remove, no longer used.
19789 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
19791 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
19792 (simplify_cond): New function.
19793 (forward_propagate_into_cond): Call simplify_cond.
19795 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
19797 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
19798 (*vec_extractv2di_1_sse): New.
19800 2006-01-09 Ben Elliston <bje@au.ibm.com>
19802 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
19804 2006-01-08 Richard Guenther <rguenther@suse.de>
19806 * tree-ssa-structalias.c (get_constraint_for): Remove
19807 anyoffset argument.
19808 (get_constraint_for_component_ref): Likewise.
19809 (do_deref): Likewise.
19810 (get_constraint_for): Likewise.
19811 (do_structure_copy): Likewise.
19812 (handle_ptr_arith): Likewise.
19813 (find_func_aliases): Likewise. Remove unused need_anyoffset
19816 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
19817 Kaz Kojima <kkojima@gcc.gnu.org>
19819 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
19820 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
19821 (EXTRA_CONSTRAINT_C16): Remove.
19822 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
19823 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
19824 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
19825 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
19826 constants of SHmedia. Handle nested constant expressions of
19828 (andcosts): Fix the costs for SHmedia constants.
19829 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
19830 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
19831 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
19832 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
19833 (movv4hi_i, movv2si_i): Likewise.
19834 (movsi_const): Adjust the second operand of ior so to match with
19835 the Csu constraint.
19836 (movdi_const, movdi_const_32bit): Likewise.
19837 (movdi_const_16bit+1): Don't sign-extend LOW.
19838 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
19840 (*double_shori): Fix the split condition. Use GEN_INT instead
19841 of get_int_mode calls. Mask lower 16-bit of the argument of
19843 (sym2GOTPLT): Remove.
19844 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
19846 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
19847 instead of EXTRA_CONSTRAINT_C16.
19849 2006-01-07 Ian Lance Taylor <ian@airs.com>
19850 David Edelsohn <edelsohn@gnu.org>
19852 PR rtl-optimization/25662
19853 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
19854 for constant operands instead of simplify_gen_binary.
19855 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
19856 after trying simplify_binary_operation
19858 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
19860 * tree.c (iterative_hash_expr): Hash decls based on UID.
19862 2006-01-06 Eric Christopher <echristo@apple.com>
19864 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
19865 (TARGET_UNWIND_EMIT): Fix spelling.
19866 * target.h (gcc_target): Add except_table_label.
19867 * except.c (output_function_exception_table): Use.
19868 * varasm.c (default_emit_except_table_label): New.
19869 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
19871 (asm_out): Add here.
19872 * output.h (default_emit_except_table_label): Prototype.
19873 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
19874 * config/darwin.c (darwin_emit_except_table_label): Define.
19875 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
19877 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
19879 PR tree-optimization/18527
19880 * tree-ssa-loop-niter.c (number_of_iterations_cond,
19881 number_of_iterations_special, number_of_iterations_exit):
19882 Move base and step of an iv to a single structure. Add
19883 no_overflow flag, and use it in # of iterations analysis.
19884 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
19885 folded_casts argument.
19886 (simple_iv): Pass base and step in a structure. Set no_overflow
19888 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
19889 Evaluate expensiveness of computing # of iterations instead of
19890 the final expression.
19891 * tree-scalar-evolution.h (affine_iv): New structure.
19892 (simple_iv): Declaration changed.
19893 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
19894 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
19895 find_givs_in_stmt): Changed due to simple_iv change.
19897 2006-01-06 Jeff Law <law@redhat.com>
19900 * tree-cfg.c (bsi_replace): Rename final argument from
19901 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
19902 change (stmt -> orig_stmt).
19903 * tree-eh.c (verify_eh_throw_stmt_node): New function.
19904 (bsi_remove): Add new argument. Remove EH information
19906 (verify_eh_throw_table_statements): New function.
19907 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
19909 * tree-optimize.c (execute_free_cfg_annotations): Verify
19910 the EH throw statement table after removing annotations.
19911 * except.h (verify_eh_throw_table_statements): Prototype.
19912 * tree-flow.h (bsi_remove): Update prototype.
19913 * tree-vrp.c (remove_range_assertions): Add new argument to
19915 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
19916 * tree-complex.c (expand_complex_div_wide): Likewise.
19917 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
19918 * tree-tailcall.c (eliminate_tailcall): Likewise.
19919 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
19920 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
19921 * tree-nrv.c (tree_nrv): Likewise.
19922 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
19923 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
19924 (combine_blocks): Likewise.
19925 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
19926 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
19927 (cleanup_control_flow): Likewise.
19928 (remove_forwarder_block): Likewise.
19929 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
19930 * tree-sra.c (sra_replace): Likewise.
19931 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
19932 (forward_propagate_single_use_vars): Likewise.
19933 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
19934 * tree-inline.c (expand_call_inline): Likewise.
19935 * tree-vect-transform.c (vect_transform_loop): Likewise.
19936 * tree-outof-ssa.c (rewrite_trees): Likewise.
19937 * tree-cfg.c (make_goto_expr_edges): Likewise.
19938 (cleanup_dead_labels): Likewise.
19939 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
19940 (bsi_move_before, bsi_move_after): Likewise.
19941 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
19942 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
19944 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
19947 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
19949 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
19950 on non gimple variables. Also add checks at the top for decls and
19952 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
19954 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
19955 and IMAGPART_EXPR for creating MUST_DEFs.
19956 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
19957 and NAME_MEMORY_TAG separately from the DECLs.
19959 2006-01-06 Richard Guenther <rguenther@suse.de>
19961 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
19962 annotation, if necessary.
19963 * tree-ssa-pre.c (create_expression_by_pieces): Remove
19964 redundant calls to update_stmt.
19965 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
19968 2006-01-05 Richard Henderson <rth@redhat.com>
19970 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
19972 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19974 * c-typeck.c: Update copyright date.
19976 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
19978 * c-typeck.c (build_c_cast): Always warn when casting
19979 from a pointer to an integer of different size, even if
19980 the node was constant.
19982 2006-01-05 Richard Guenther <rguenther@suse.de>
19984 PR tree-optimization/22555
19985 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
19986 if one structure field is an array.
19987 * tree-ssa-operands.c (get_expr_operands): Continue scanning
19988 operands even if we found a subvar, but ignore VOPs in this
19990 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
19992 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
19994 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
19996 PR middle-end/24998
19997 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
19999 2006-01-05 Richard Guenther <rguenther@suse.de>
20000 Diego Novillo <dnovillo@redhat.com>
20002 * tree-pass.h (TODO_remove_unused_locals): Define.
20003 * gimple-low.c (expand_var_p, remove_useless_vars,
20004 pass_remove_useless_vars): Remove. Update all users.
20005 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
20006 (remove_unused_locals): New function.
20007 * tree-flow.h (remove_unused_locals): Declare.
20008 * passes.c (execute_todo): Call remove_unused_locals if
20009 TODO_remove_unused_locals is set.
20010 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
20011 * tree-ssa-dce.c (pass_dce): Likewise.
20012 * tree-outof-ssa.c (pass_del_ssa): Likewise.
20014 2006-01-05 Richard Guenther <rguenther@suse.de>
20016 * tree-flow.h (struct fieldoff): Decompose field to
20017 type, size and decl.
20018 * tree-ssa-alias.c (create_sft): Take type as parameter.
20019 (create_overlap_variables_for): Store type, size and decl
20020 in the fieldoff structure.
20021 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
20022 of struct fieldoff.
20023 (push_fields_onto_fieldstack): Likewise.
20024 (create_variable_info_for): Likewise. Use offset for the
20025 SFT name if the decl is not available.
20027 2006-01-04 Paul Brook <paul@codesourcery.com>
20029 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
20031 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
20033 * lambda-code.c (can_put_in_inner_loop): Relax
20035 (can_put_after_inner_loop): New function.
20036 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
20037 (perfect_nestify): Change to make copies and modify uses.
20039 2006-01-04 Richard Henderson <rth@redhat.com>
20041 Merge from gomp branch:
20042 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
20043 via integer constant.
20044 (pragma_lex): Remove.
20045 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
20046 rather than parsing it.
20047 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
20048 handle_pragma_extern_prefix): Add %< %> quotes.
20049 (registered_pragmas): New.
20050 (c_register_pragma_1): New.
20051 (c_register_pragma): Use it.
20052 (c_register_pragma_with_expansion): Likewise.
20053 (c_invoke_pragma_handler): New.
20054 (init_pragma): Use cpp_register_deferred_pragma directly for
20056 * c-pragma.h (enum pragma_kind): New.
20057 (pragma_handler): New.
20058 (c_invoke_pragma_handler): Declare.
20059 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
20061 * c-common.h (c_common_pch_pragma): Update decl.
20062 * Makefile.in (c-parser.o): Update dependencies.
20063 (GTFILES): Add c-pragma.h.
20064 * c-parser.c (struct c_token): Add pragma_kind.
20065 (struct c_parser): Add in_pragma.
20066 (c_lex_one_token): Always initialize keyword and pragma_kind.
20067 Extract data for CPP_PRAGMA.
20068 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
20069 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
20070 Don't allow CPP_PRAGMA_EOL if in_pragma.
20071 (c_parser_consume_pragma): New.
20072 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
20073 (c_parser_skip_to_end_of_parameter): Likewise.
20074 (c_parser_skip_to_end_of_block_or_statement): Likewise.
20075 (c_parser_skip_to_pragma_eol): New.
20076 (c_parser_external_declaration): Handle CPP_PRAGMA.
20077 (c_parser_compound_statement_nostart): Likewise.
20078 (c_parser_statement_after_labels): Likewise.
20079 (c_parser_pragma): New.
20080 (pragma_lex): Likewise.
20081 (c_parser_pragma_pch_preprocess): New.
20082 (c_parser_new): Merge into ...
20083 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
20085 2006-01-04 Jeff Law <law@redhat.com>
20088 * tree-cfg.c (bsi_replace): Remove the original statement
20089 from the EH throw statement table.
20091 2006-01-04 Jakub Jelinek <jakub@redhat.com>
20093 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
20094 make the prototype extern "C" and add throw ().
20097 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
20098 and pos non-negative and pos + len <= 32.
20099 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
20100 drop pos + len < HOST_BITS_PER_WIDE_INT test.
20101 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
20104 * c-common.c (handle_vector_size_attribute): Reject zero vector size
20105 as well as sizes not multiple of component size.
20108 * function.c (instantiate_expr): New function.
20109 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
20110 walk its DECL_VALUE_EXPR with instantiate_expr.
20112 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
20113 DW_OP_deref{,_size} if address isn't going to be added.
20115 2006-01-04 Ben Elliston <bje@au.ibm.com>
20117 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
20118 * config/fp-bit.c: Likewise.
20120 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
20122 * dominance.c: Add comment about why we use DFS numbering
20125 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20126 Richard Henderson <rth@redhat.com>
20128 Merge from gomp-branch:
20129 * varasm.c (assemble_variable): Handle thread-local COMMON data.
20130 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
20132 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
20134 PR rtl-optimization/25578
20135 * combine.c (combine_simplify_rtx, force_to_mode): Don't
20136 pass a parameter to simplify_shift_const if changing ASHIFTRT
20139 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
20141 * builtins.c (get_builtin_sync_mem): New function.
20142 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
20143 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
20144 Call get_builtin_sync_mem to generate mem rtx.
20146 2006-01-03 Richard Guenther <rguenther@suse.de>
20149 * stmt.c (add_case_node): Make sure to clear overflow flags
20152 2006-01-03 Jakub Jelinek <jakub@redhat.com>
20154 Merge from gomp-branch.
20155 * config/sparc/sync.md: New file.
20156 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
20157 UNSPECV_LDSTUB): New constants.
20158 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
20159 * config/sparc/predicates.md (memory_reg_operand): New predicate.
20160 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
20163 2006-01-03 Roger Sayle <roger@eyesopen.com>
20165 * combine.c (reg_subword_p): New predicate to test whether the
20166 destination of a set refers to a subword/piece of a register.
20167 (try_combine): Generalize the code to merge the setting of a
20168 pseudo to a constant followed by a set of a subword of that
20169 register to a constant.
20171 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
20173 * basic-block.h (control_flow_graph): Change the type of
20174 x_label_to_block_map to VEC(basic_block,gc) *.
20175 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
20176 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
20178 * tree-ssa-propagate.c (cfg_blocks): Change the type to
20179 VEC(basic_block,heap) *.
20180 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
20181 ssa_prop_fini): Adjust the uses of cfg_blocks.
20183 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
20185 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
20187 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
20188 hashing trees instead of a pointer hash.
20189 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
20190 compare for MEM_EXPR.
20192 PR rtl-optimization/25130
20193 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
20194 when comparing MEMs for GCSE
20196 2006-01-03 Ben Elliston <bje@au.ibm.com>
20198 * targhooks.h (default_decimal_float_supported_p): Declare.
20199 * targhooks.c (default_decimal_float_supported_p): Define.
20200 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
20201 `default_decimal_float_supported_p'.
20202 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
20204 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
20206 * combine.c (apply_distributive_law <SUBREG>): Check
20207 TRULY_NOOP_TRUNCATION.
20209 2006-01-02 Geoffrey Keating <geoffk@apple.com>
20211 * dwarf2out.c (have_switched_text_section): Delete.
20212 (have_multiple_function_sections): New.
20213 (have_location_lists): Make 'bool'.
20214 (add_AT_loc_list): Use 'true' not '1'.
20215 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
20216 (output_loc_list): Use have_multiple_function_sections.
20217 (output_ranges): Likewise.
20218 (dwarf2out_begin_function): Set have_multiple_function_sections if
20220 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
20221 Check function_section rather than DECL_SECTION_NAME.
20222 (dwarf2out_finish): Use have_multiple_function_sections.
20223 Don't clear have_location_lists.
20225 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
20226 Jan Hubicka <jh@suse.cz>
20228 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
20229 case of conditional jump jumping to the next instruction.
20230 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
20231 cases of conditional jump jumping to the next instruction.
20233 2006-01-02 Jan Hubicka <jh@suse.cz>
20235 * i386.c (*_cost): Add COSTS_N_INSNS.
20236 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
20238 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
20241 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
20243 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
20245 * config/arm/arm.c (all_fpus): Fix comment typo.
20246 * config/darwin.c: Likewise.
20247 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
20248 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
20249 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
20251 2006-01-01 David Edelsohn <edelsohn@gnu.org>
20253 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
20254 (rs6000_split_compare_and_swapqhi): New.
20255 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
20256 (sync_compare_and_swapqhi_internal): New.
20257 * config/rs6000/rs6000-protos.h: Declare.