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2005-09-27 Uros Bizjak <uros@kss-loka.si>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-09-27  Jeff Law  <law@redhat.com>
2
3         * passes.c (init_optimization_passes): Replace copy propagation
4         passes immediately after DOM with phi-only copy propagation
5         pases.  Add phi-only copy propagation pass after first DOM pass.
6         * tree-pass.h (pass_phi_only_copy_prop): Declare.
7         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
8         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
9         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
10         to init_copy_prop.  Callers updated.
11         (do_phi_only_copy_prop): New function.
12         (pass_phi_only_copy_prop): New pass descriptor.
13
14 2005-09-27  Nick Clifton  <nickc@redhat.com>
15
16         * libgcc2.c (__popcount_tab): Remove redundant prototype.
17
18 2005-09-26  Jason Merrill  <jason@redhat.com>
19
20         PR c++/13764
21         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
22
23         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
24
25 2005-09-26  James E Wilson  <wilson@specifix.com>
26
27         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
28         copyright.  Add gcc copyright plus libgcc exception.
29         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
30         copyright.
31         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
32
33 2005-09-26  Jeff Law  <law@redhat.com>
34
35         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
36         about when to iterate.
37
38 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
39
40         PR target/23847
41         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
42         for __complex__ double in -mcpu=G5 mode.
43
44 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
45
46         PR tree-optimization/23942
47         * Makefile.in (SCEV_H): Depends on PARAMS_H.
48         * tree-scalar-evolution.c: Include params.h.
49         (t_bool): New enum.
50         (follow_ssa_edge, follow_ssa_edge_in_rhs,
51         follow_ssa_edge_in_condition_phi_branch,
52         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi): 
53         Change return type to t_bool.  Use a parameter to limit the size of
54         trees that are walked before stopping 
55         (analyze_evolution_in_loop): Initialize the limit to 0.
56         (follow_ssa_edge): Give up by returning t_dont_know if the limit 
57         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
58
59 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
60
61         PR middle-end/23831
62         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
63         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
64
65 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
66
67         * combine.c (make_extraction): Check for valid use of subreg.
68
69 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
70
71         PR target/24055
72         * config/i386/i386.md ("*fistdi2_1"): New pattern.
73         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
74         ("fist<mode>2_with_temp"): Use only register operands.
75
76 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
77
78         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
79         CALL_INSN_FUNCTION_USAGE.
80
81 2005-09-26  Richard Guenther  <rguenther@suse.de>
82
83         PR middle-end/15855
84         * gcse.c: Include hashtab.h, define ldst entry hashtable.
85         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
86         (ldst_entry): Use the hashtable instead of list-walking.
87         (find_rtx_in_ldst): Likewise.
88         (free_ldst_entry): Free the hashtable.
89         (compute_ld_motion_mems): Create the hashtable.
90         (trim_ld_motion_mems): Remove entry from hashtable if
91         removing it from list.
92         (compute_store_table): Likewise^2.
93         (store_motion): Free hashtable in case we did not see
94         any stores.
95
96 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
97
98         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
99         and arg1 if we are passing them to fold_build2.
100
101 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
102
103         PR 23828
104         * config/i386/i386.c (ix86_function_regparm): Fix the test for
105         a nested function.
106
107 2005-09-25  Richard Henderson  <rth@redhat.com>
108
109         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
110         SYMBOL_REF_TLS_MODEL to be correct.
111
112 2005-09-24  Richard Henderson  <rth@redhat.com>
113
114         * ipa-type-escape.c (discover_unique_type): Remove dead code at
115         end of function.  Reindent.
116
117 2005-09-24  Ian Lance Taylor  <ian@airs.com>
118
119         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
120         NEGATE_EXPR/BIT_NOT_EXPR case.
121
122 2005-09-24  Richard Henderson  <rth@redhat.com>
123
124         * c-common.c (handle_mode_attribute): When not modifying in place,
125         create subtypes for enumerations.
126         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
127         * gimplify.c (create_tmp_from_val): Likewise.
128
129 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
130
131         * config/i386/i386.md (*tls_global_dynamic_64,
132         *tls_local_dynamic_base_64): Add missing mode to call.
133         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
134
135 2005-09-24  Jan Hubicka  <jh@suse.cz>
136
137         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
138         (cgraph_clone_node): Likewise.
139         * cgraph.h (cgraph_clone_edge): Update prototype.
140         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
141         duplicated prototypes; add updating argument.
142         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
143         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
144         updating profile.
145         (cgraph_mark_inline_edge): Likewise.
146         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
147         (cgraph_flatten_node): Likewise.
148         (cgraph_decide_recursive_inlining): Likewise.
149         (cgraph_decide_inlining_of_small_function): Likewise.
150         * tree-optimize.c (tree_rest_of_compilation): Likewise.
151
152 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
153             Pete Steinmetz <steinmtz@us.ibm.com>
154
155         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
156         (rldic.): Set type to "compare".
157         (rldicr.): Same.
158         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
159         mfjmpr for MFCTR/MFLR.
160         (movdf_hardfloat64): Same.
161         (movdf_softfloat64): Same.  Correct order of store and move types.
162         (movti_string): Set type to store_ux/load_ux.
163         (load_multiple): Set type to load_ux.
164         (store_multiple): Set type to store_ux.
165         (movmemsi): Set type to store_ux.
166         (output_cbranch direct_return): Set type to jmpreg.
167         (stmw): Set type to store_ux.
168         (lmw): Set type to load_ux.
169         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
170         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
171         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
172         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
173         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
174         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
175         (rios1-fpstore): Increase latency to 3.
176         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
177         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
178
179 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
180             Andrew Pinski  <pinskia@physics.uc.edu>
181
182         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
183         operand2 constraint to "b".
184         (sync_<fetchop_name>di_internal): Same.
185         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
186         to "b".
187         (sync_old_<fetchop_name>di_internal): Same.
188         (sync_new_<fetchop_name>si_internal): Same.
189         (sync_new_<fetchop_name>di_internal): Same.
190
191 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
192
193         PR middle-end/23991
194         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
195         case, define as macros.
196
197         PR rtl-optimization/23837
198         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
199         clobber / clobber match between dest and p->first.
200
201         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
202         (no_conflict_move_test): Update comments.
203
204 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
205
206         * doc/install.texi: Update URL for Jacks.
207         * doc/sourcebuild.texi: Likewise.
208
209 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
210
211         PR target/24007
212         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
213         registers when choosing register preferences.
214         (movdf_hardfloat64): Same.
215
216 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
217
218         * expmed.c (expand_shift): Don't use the target of the rotate as
219         target for the first expanded shift insn.
220         * testsuite/gcc.dg/20050922-1.c: Testcase added.
221
222 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
223
224         PR tree-optimization/22438
225         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
226         preserved iv rhs rewriting specially.
227
228 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
229
230         * tree-data-ref.c (analyze_array_indexes): Only estimate when
231         estimate_only  is true.
232         * tree-flow.h (ref_contains_indirect_ref): New prototype.
233         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
234         tree-ssa-structalias.c 
235         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
236         ref_contains_indirect_ref.
237         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
238
239 2005-09-21  DJ Delorie  <dj@redhat.com>
240
241         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
242         MASK_PTR_A0D0.
243         (mn10300_return_in_memory): Support variable size types also.
244         (mn10300_pass_by_reference): Likewise.
245         (mn10300_function_value): New.
246         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
247         (FUNCTION_OUTGOING_VALUE): Likewise.
248         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
249         * doc/invoke.texi: Document it.
250
251 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
252
253         PR target/22585
254         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
255         force integer op1 into register for XFmode compares.
256
257 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
258
259         PR middle-end/23971
260         * expmed.c (alg_code): Add alg_impossible.
261         (alg_hash_entry): Add cost.
262         (synth_mult): Record alg_impossible in the hash table if
263         multiplication by a given integer is impossble within the
264         limit.  Speed up using alg_impossible.
265
266 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
267
268         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
269         argument.  Allow and set any offset if needs_anyoffset is passed
270         in.
271         (get_constraint_for): Add argument here too.
272         Pass it down.
273         (do_structure_copy): Pass NULL to get_constraint_for.
274         (handle_ptr_arith): Ditto.
275         (find_func_aliases): Ditto.
276
277 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
278
279         PR rtl-optimization/23898
280         * output.h (get_attr_min_length): Declare.
281         * final.c (get_attr_length_1): New function, broken out of:
282         (get_attr_length).
283         (get_attr_min_length): New function.
284         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
285         (duplicate_computed_gotos): Likewise.
286         * genattr.c (insn_min_length): Generate declaration.
287         * genattrtab.c (min_fn, min_attr_value): New functions.
288         (make_length_attrs): Generate insn_min_length.
289
290 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
291
292         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
293
294 2005-09-20  Richard Henderson  <rth@redhat.com>
295
296         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
297         EXPAND_STACK_PARM.
298
299 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
300
301         * c.opt (fextended-identifiers): New.
302         * c-opts.c (c_common_handle_option): Handle
303         -fextended-identifiers.
304         * doc/cpp.texi: Update documentation of extended identifiers.
305         * doc/cppopts.texi (-fextended-identifiers): Document.
306
307 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
308
309         PR tree-optimization/23929
310         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
311         if expr is NULL.
312
313         PR tree-optimization/23818
314         * tree-stdarg.c (execute_optimize_stdarg): Call
315         calculate_dominance_info.
316
317 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
318
319         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
320         (analyze_siv_subscript_cst_affine): Add weak SIV test.
321         (compute_overlap_steps_for_affine_1_2): Use
322         get_number_of_iters_for_loop.
323         (analyze_subscript_affine_affine): Check whether difference is
324         zero first.
325         Use get_number_of_iters_for_loop.
326         Check whether overlap occurs outside of bounds.
327         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
328
329 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
330
331         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
332         base register if possible.
333
334 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
335
336         PR tree-optimization/18463
337         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
338         converting it directly is not possible.
339         (chrec_convert_aggressive): New function.
340         * tree-chrec.h (chrec_convert_aggressive): Declare.
341         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
342         Fold chrec conversions aggressively if asked to.
343         (instantiate_parameters): Modified because of changes in
344         instantiate_parameters_1.
345
346 2005-09-19  Richard Henderson  <rth@redhat.com>
347
348         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
349         (reduc_splus_v2df): New.
350
351 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
352
353         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
354         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
355
356 2005-09-19  Richard Henderson  <rth@redhat.com>
357
358         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
359         vcondu<SSEMODE12>.
360
361 2005-09-19  Richard Henderson  <rth@redhat.com>
362
363         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
364         (ia64_expand_dot_prod_v8qi): New.
365         * config/ia64/ia64-protos.h: Update.
366         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
367         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
368         sdot_prodv8qi, sdot_prodv4hi): New.
369         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
370
371 2005-09-19  Richard Henderson  <rth@redhat.com>
372
373         PR 23941
374         * real.c (exact_real_truncate): Return false if the format cannot
375         represent the number as a normal.
376
377         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
378         for a memory source.
379
380 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
381
382         * tree-ssa-operands.c (swap_tree_operands): Export.
383         * tree.h (swap_tree_operands): Declare.
384         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
385         Call swap_tree_operands.
386         
387 2005-09-19  Richard Henderson  <rth@redhat.com>
388
389         * tree-flow.h (merge_alias_info): Declare.
390         * tree-ssa-copy.c (merge_alias_info): Export.
391         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
392         (vect_create_data_ref_ptr): Use create_iv directly.
393         (vectorizable_load): Use correct types for integer constants.
394         (vect_generate_tmps_on_preheader): Likewise.
395         (vect_gen_niters_for_prolog_loop): Likewise.
396
397 2005-09-19  Steven Bosscher  <stevenb@suse.de>
398
399         PR rtl-optimization/23943
400         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
401
402 2005-09-18  Jan Hubicka  <jh@suse.cz>
403
404         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
405
406 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
407
408         * varasm.c (output_constant): Do not abort on conversions to union
409         types between different sizes.
410
411 2005-09-18  Richard Guenther  <rguenther@suse.de>
412
413         PR middle-end/23944
414         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
415         fallback.
416
417 2005-09-18  Paul Brook  <paul@codesourcery.com>
418
419         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
420
421 2005-09-17  Richard Henderson  <rth@redhat.com>
422
423         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
424         * tree-ssa-loop.c (pass_vect_dce): Remove.
425         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
426         of pass_vectorize.
427
428 2005-09-17  Richard Henderson  <rth@redhat.com>
429
430         * tree-pass.h (pass_vect_dce): Declare.
431         * passes.c (init_optimization_passes): Add it.
432         * tree-flow.h (tree_ssa_dce): Declare.
433         * tree-ssa-dce.c (tree_ssa_dce): Export.
434         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
435         (gate_tree_vectorize): ... here.
436         (pass_vect_dce): New.
437
438 2005-09-17  Jan Hubicka  <jh@suse.cz>
439
440         * except.c (struct eh_status): Turn region_array into vec.
441         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
442         convert_from_eh_region_ranges, find_exception_handler_labels, 
443         current_function_has_exception_handlers, assign_filter_values, 
444         build_post_landing_pads, dw2_build_landing_pads,
445         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
446         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
447         foreach_reachable_handler, can_throw_internal_1,
448         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
449         region_array.
450         (duplicate_eh_region_1): Update region_array.
451         (duplicate_eh_regions): Resize region_array and avoid recomputing.
452
453 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
454
455         PR middle-end/22067
456         * expmed.c (expand_mult): Substitute simple register for op0 when
457         computing max_cost.
458
459 2005-09-17  Richard Henderson  <rth@redhat.com>
460
461         * expr.c (emit_move_via_integer): Add force argument, pass it on
462         to emit_move_change_mode.  Update callers.
463         (emit_move_complex): Pass true to new force argument.
464         * function.c (expand_function_end): Move expand_eh_return call
465         earlier.  Merge sub-word complex values into a pseudo before
466         copying to the return hard register.
467
468 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
469
470         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
471         between different sizes.
472
473 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
474
475         PR 23903
476
477         * passes.c (init_optimization_passes): Register dump files for
478         IPA passes first.
479
480 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
481
482         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
483         * config/s390/s390.c (s390_overlap_p): New function.
484         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
485         peephole2, "*xc" peephole2): Added overlap check to the peephole2
486         condition.
487
488 2005-09-16  Richard Guenther  <rguenther@suse.de>
489
490         * ipa-pure-const.c (static_execute): Free auxiliar information.
491         * ipa-type-escape.c (discover_unique_type): Free temporary key.
492         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
493
494 2005-09-15  DJ Delorie  <dj@redhat.com>
495
496         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
497
498 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
499
500         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
501         to order operands.
502         (swap_commutative_operands_with_target): New.
503
504 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
505
506         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
507         parameter.
508         Update callers.
509         (estimate_iters_using_array): New function.
510         * tree-data-ref.h (estimate_iters_using_array): Prototype
511         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
512         Use estimate_iters_using_array instead of analyze_array.
513         
514 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
515
516         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
517         as addressable.
518
519 2005-09-15  Michael Matz  <matz@suse.de>
520
521         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
522
523 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
524
525         PR tree-optimization/23835
526         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
527         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
528
529 2005-09-14  Richard Henderson  <rth@redhat.com>
530
531         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
532         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
533
534 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
535
536         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
537         in the ARRAY_TYPE case.
538
539 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
540
541         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
542
543 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
544
545         PR middle-end/22480
546         * tree-vect-transform.c (vectorizable_operation): Return false for
547         scalar shift operations and for vector shift operations with
548         non-invariant shift arguments.  Use scalar tree operand op1 as
549         a shift operand when vector shift insn pattern uses scalar shift
550         operand.
551         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
552
553 2005-09-14  Olivier Hainque  <hainque@adacore.com>
554
555         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
556         value if it has side-effects.
557
558 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
559
560         PR target/22068
561         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
562
563 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
564
565         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
566         passed as NAME as if it were label at start of function code.
567
568 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
569
570         * config/sh/sh.md (*movv4sf_i): Add general register cases to
571         the constraints.
572
573 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
574
575         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
576         as early clobber.  Rewrite so the PIC register is not implicitly used.
577
578 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
579
580         * tree.c (annotate_with_file_line): Compare line numbers before
581         file names.
582
583 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
584
585         PR target/23816
586         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
587         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
588
589 2005-09-13  Ian Lance Taylor  <ian@airs.com>
590
591         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
592         than a HOST_WIDEST_INT to gen_doloop_begin.
593
594 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
595
596         * tree-dfa.c (dump_variable): Guard against NULL annotations.
597
598 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
599
600         PR tree-optimize/23817
601         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
602
603 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
604
605         PR target/23774
606         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
607         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
608         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
609         (restore_stack_nonlocal): Likewise.
610         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
611
612 2005-09-12  Ian Lance Taylor  <ian@airs.com>
613
614         PR g++/7874
615         * c.opt (ffriend-injection): New C++ option.
616         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
617         (C++ Dialect Options): Document -ffriend-injection.
618
619 2005-09-12  Josh Conner  <jconner@apple.com>
620
621         PR middle-end/23237
622         * ipa-reference.c (static_execute): Don't mark variables in
623         named sections TREE_READONLY.
624
625 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
626
627         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
628         stack_tie.
629
630 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
631
632         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and 
633         V_MUST_DEF instead of just the first_use_p.
634         Don't mark the virtual variables for renaming on the statement which 
635         is being removed.
636         (pass_dse): Remove TODO_update_ssa.
637
638 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
639
640         PR middle-end/23290
641         * stor-layout.c (compute_record_mode): For records with a single
642         field, actually check the field's mode size against the type size.
643
644         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
645         registers for TARGET_SHMEDIA.
646         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
647         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
648         of GENERAL_REGS and FP_REGS.
649
650 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
651
652         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
653
654 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
655
656         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
657         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
658         are omitted.  Exclude stack_tie insn too.
659
660 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
661
662         PR rtl-optimization/23098
663         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
664         0.0f is easy.
665         * config/rs6000/rs6000.md (movdf splitter): Use
666         const_double_operand predicate for TARGET_POWERPC64.
667         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
668         SYMBOL_REF method to ABI_V4.
669
670         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
671         replace_equiv_address.
672         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
673         rs6000_sr_alias_set and MEM_NOTRAP.
674         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
675
676 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
677
678         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
679         handle CALL_EXPR again.
680
681 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
682
683         * arm/predicates.md (alignable_memory_operand): Delete.
684
685 2005-09-10  Richard Henderson  <rth@redhat.com>
686
687         PR debug/23806
688         * dbxout.c (dbxout_expand_expr): New.
689         (dbxout_symbol): Use it.
690
691 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
692
693         * arm.c (arm_gen_rotated_half_load): Delete.
694         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
695         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
696         (thumb_set_return_address): Likewise.
697         (thumb_load_double_from_address): Use adjust_address.
698         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
699         (extendhsisi2_mem, movhi_bytes): Use change_address.
700         (movhi): Use widen_memory_access.
701         (reload_out_df): Use replace_equiv_address.
702         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
703
704 2005-09-09  Richard Henderson  <rth@redhat.com>
705
706         PR debug/20998
707         * dbxout.c: Include expr.h.
708         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
709         (dbxout_symbol): Handle DECL_VALUE_EXPR.
710         * Makefile.in (dbxout.o): Add EXPR_H.
711
712 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
713
714         PR tree-optimization/23509
715         * tree-cfg.c (replace_uses_by): Use replace_exp.
716         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
717         pointers have name_mem_tag or type_mem_tag set.
718
719 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
720
721         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use 
722         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
723         of wrongly accessing operands.
724
725 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
726
727         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
728         * tree-chrec.c: Include tree-scalar-evolution.h.
729         (chrec_convert): Instantiate the base and step before calling
730         scev_probably_wraps_p that would fail on parametric evolutions.
731         Collect all the fails into a single section failed_to_convert,
732         print a diagnostic, and return chrec_dont_know instead of calling
733         fold_convert.
734         * tree-scalar-evolution.c (loop_closed_phi_def): New.
735         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
736         phi nodes.
737         (scev_const_prop): Don't replace the definition of a loop closed ssa
738         phi node by itself, or by another loop closed ssa phi node.
739         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
740         that base and step are defined.
741
742 2005-09-09  Richard Guenther  <rguenther@suse.de>
743
744         PR c++/23624
745         * fold-const.c (fold_ternary): Check truth_value_p before
746         calling invert_truthvalue.
747
748 2005-09-09  Nick Clifton  <nickc@redhat.com>
749
750         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
751         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
752         dimension of these arrays.
753         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
754         these arrays.
755         * longlong.h: Only provide a prototype for the __clz_tab[] array
756         if this header has not been included from libgcc2.h.
757         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
758         defining own types.
759         Provide prototypes for exported functions.
760         Use the __clz_tab[] and __popcount_tab[] arrays provided by
761         libgcc2.c.
762
763 2005-09-08  Josh Conner  <jconner@apple.com>
764
765         PR c++/21135
766         PR c++/23180
767         * expr.c (expand_expr_addr_expr_1): Don't invoke
768         expand_simple_binop for EXPAND_INITIALIZER.
769
770 2005-09-08  Richard Henderson  <rth@redhat.com>
771
772         PR debug/23190
773         * toplev.c (wrapup_global_declaration_1): Split out ...
774         (wrapup_global_declaration_2): ... from ...
775         (wrapup_global_declarations): ... here.  Return bool.
776         (check_global_declaration_1): Split out ...
777         (check_global_declarations): from here.
778         (emit_debug_global_declarations): New.
779         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
780         check_global_declaration_1, emit_debug_global_declarations): Declare.
781         * c-decl.c (c_write_global_declarations_1): Don't create a vector
782         of decls.  Call wrapup_global_declaration_1,
783         wrapup_global_declaration_2, check_global_declaration_1 directly.
784         (c_write_global_declarations_2): New.
785         (ext_block): New.
786         (c_write_global_declarations): Call c_write_global_declarations_2.
787         * langhooks.c (write_global_declarations): Call
788         emit_debug_global_declarations.
789
790         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
791         remove decls that have DECL_RTL_SET_P.
792         * passes.c (rest_of_decl_compilation): Invoke
793         cgraph_varpool_finalize_decl for all but functions.
794
795 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
796
797         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
798         the result of a conversion if the new min and max cannot be compared.
799
800 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
801
802         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
803         (override_options): Setting s390_sr_alias_set removed.
804         (save_fpr, save_gprs): Set alias set to vararg or frame.
805         (restore_fpr, restore_gprs, s390_emit_prologue): Replace 
806         s390_sr_alias_set with get_frame_alias_set ().
807         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
808         get_varargs_alias_set ().
809
810 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
811
812         PR objc/20574
813         PR objc/19324
814         * c-parser.c (c_parser_objc_method_definition): If the next
815         token is not "{", error out and don't start the function.
816
817 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
818
819         * tree-vrp.c (extract_range_from_expr): Move the check for non
820         nullness after the check for gimple invariant.
821
822 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
823
824         * tree.c (host_integerp, tree_low_cst): Correct function comment.
825
826 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
827
828         PR target/23747
829         * config/m32r.md (movmemsi_internal): Canonicalize order of
830         operands in PLUS component of template.
831
832 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
833
834         * reload1.c (fixup_eh_region_note): Remove assertion.
835         (fixup_abnormal_edges): Reverted removal of call to 
836         find_many_sub_basic_blocks made on 2005-08-31.
837
838 2005-09-07  Richard Henderson  <rth@redhat.com>
839
840         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
841         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
842         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
843         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
844         rearrange for better packing.
845         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
846         (lookup_cfa_1): Remove inline marker.
847         (cfa_equal_p): Split out of ...
848         (def_cfa_1): ... here.  Use INVALID_REGNUM.
849         (build_cfa_loc): Handle !cfa->indirect.
850         (frame_pointer_cfa_offset): New.
851         (dbx_reg_number): Assert register elimination performed; do
852         leaf register remapping.
853         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
854         (eliminate_reg_to_offset): New.
855         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
856         for verifiably local stack frame addresses; re-base to CFA.
857         (mem_loc_descriptor): Remove can_use_fbreg argument.
858         (concat_loc_descriptor, loc_descriptor): Likewise.
859         (containing_function_has_frame_base): Remove.
860         (rtl_for_decl_location): Don't do register elimination or
861         leaf register remapping here.
862         (secname_for_decl): Split out from ..
863         (add_location_or_const_value_attribute): ... here.
864         (convert_cfa_to_loc_list): New.
865         (compute_frame_pointer_to_cfa_displacement): New.
866         (gen_subprogram_die): Use them.
867         * tree.h (frame_base_decl): Remove.
868         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
869         (prologue_stack_adjust): Remove.
870         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
871         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
872         (set_frame_base_location): Remove.
873         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
874         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
875         (vt_add_function_parameters): Don't eliminate_regs.
876         (vt_initialize): Don't create frame_base_decl.
877
878 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
879
880         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
881         version of GNU binutils for 4.x and later.
882
883 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
884
885         * ggc-page.c (ggc_push_context): Remove.
886         (ggc_pop_context): Likewise.
887         * ggc.h (ggc_push_context): Remove.
888         (ggc_pop_context): Likewise.
889
890 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
891
892         PR target/8973
893         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
894         returning from an interrupt handler.
895
896 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
897
898         PR target/8972
899         * config/arc/arc.c (output_shift): Add check for loop count when
900         optimizing.
901
902 2005-09-06  Steven Bosscher  <stevenb@suse.de>
903
904         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
905         form manually.
906         (abs_replacement): Likewise.
907         (pass_phiopt): Remove TODO_update_ssa.
908
909 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
910
911         PR c/23075
912         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
913         if "return with no value, in function returning non-void" warning
914         has been issued.
915         * tree-cfg.c (execute_warn_function_return): Don't look at
916         RETURN_EXPRs with TREE_NO_WARNING set.
917
918         PR target/22362
919         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
920         for internal functions doesn't use registers used by global registers
921         variables.  Use fewer register parameters if there are global register
922         variables.
923
924 2005-09-06  Olivier Hainque  <hainque@adacore.com>
925             Eric Botcazou  <ebotcazou@adacore.com>
926
927         PR middle-end/14997
928         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
929         when we would be extracting outside its bit span (bitpos+bitsize
930         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
931         Ada unchecked conversions.
932
933 2005-09-06  Steven Bosscher  <stevenb@suse.de>
934
935         * tree-ssa-pre.c (try_look_through_load): New function.
936         (compute_avail): Use it to try to look through loads for some
937         more useful expressions.
938
939 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
940
941         * simplify-rtx.c (simplify_binary_operation_1): Correct the 
942         condition for detecting cases like (a&a) and (a^a).
943
944 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
945
946         * common.opt: Add option ftree-vect-loop-version.
947         * params.def: Add --param vect-max-version-checks.
948         * doc/invoke.texi: Document ftree-vect-loop-version and
949         --param vect-max-version-checks.
950         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
951         may_misalign_stmts and defines for accessors.
952         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
953         LOOP_VINFO_MAY_MISALIGN_STMTS.
954         (destroy_loop_vec_info): VEC_free for
955         LOOP_VINFO_MAY_MISALIGN_STMTS.
956         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
957         Update documentation.
958         (vect_update_misalignment_for_peel): New.
959         (vect_enhance_data_refs_alignment): Update to choose loop
960         peeling or loop versioning if appropriate for the (potentially)
961         unaligned data references in the loop.
962         (vect_analyze_data_refs_alignment): Remove call to
963         vect_enhance_data_refs_alignment so the checks can be done
964         earlier.
965         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
966         and move up call to vect_analyze_data_refs_alignment.
967         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
968         (vect_transform_loop): Add call to loop_version.
969
970 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
971
972         PR rtl-optimization/23098
973         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
974         * simplify-rtx.c (constant_pool_reference_p): New function.
975         * rtl.h (constant_pool_reference_p): New prototype.
976         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
977         constant_pool_reference_p in condition and
978         avoid_constant_pool_reference in preparation statements.
979
980 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
981
982         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for 
983         STRICT_LOW_PART SETs.
984
985 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
986
987         PR middle-end/21460
988         * except.c (sjlj_emit_function_enter): Find the function begin
989         note even when it's not in first basic block.
990
991 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
992
993         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
994         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
995         * aclocal.m4: Regenerate.
996
997 2005-09-05  DJ Delorie  <dj@redhat.com>
998
999         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
1000         of macro.
1001
1002 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
1003
1004         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
1005         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
1006         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
1007         Follow spelling conventions.
1008         * doc/invoke.texi: Follow spelling conventions.
1009
1010 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
1011
1012         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
1013         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
1014         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
1015
1016 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
1017
1018         PR target/23683
1019         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
1020         (output_stack_adjust): Use gen_tmp_stack_mem.
1021         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
1022         (sh_set_return_address, sh_allocate_initial_value): Likewise.
1023         (sh_get_pr_initial_val): Likewise.
1024         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
1025         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
1026         * sh.md (divsi_inv_m0): Use gen_const_mem.
1027         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
1028         (movdf_i4+1): Use gen_tmp_stack_mem.
1029         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
1030         (fpu_switch+2): Likewise.
1031         (movv4sf_i, movv16sf_i): Use adjust_address.
1032         (symGOT_load): Set MEM_NOTRAP_P bit.
1033
1034 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1035
1036         PR target/23721
1037         * pa.c (emit_move_sequence): Fix typo in last change.
1038
1039 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
1040
1041         PR rtl-optimization/23454
1042         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
1043         is true.
1044
1045 2005-09-03  Richard Henderson  <rth@redhat.com>
1046             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1047
1048         PR middle-end/23671
1049         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
1050         gen_rtx_MEM.
1051
1052 2005-09-02  Nicolas Pitre <nico@cam.org>
1053
1054         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
1055         to bit_count to 32 bits.
1056
1057 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
1058
1059         PR c++/23167
1060         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
1061         generating synthetic loads from volatile lvalues.
1062
1063 005-09-02  Nick Clifton  <nickc@redhat.com>
1064
1065         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
1066         __ctzhi2, __clzhi2): New functions.
1067
1068 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
1069
1070         PR middle-end/23547
1071         * tree-nested.c (struct var_map_elt): Mark with GTY.
1072         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
1073         var_map_elt.
1074         (lookup_field_for_decl): Allocate new element in GC memory.
1075         (lookup_tramp_for_decl): Likewise.
1076         (convert_nl_goto_reference): Likewise
1077         (create_nesting_tree): Allocate info in GC memory. Likewise for
1078         info->var_map.
1079         (free_nesting_tree): Free with ggc_free instead of free.
1080         (root): New static variable.
1081         (lower_nested_functions): Remove root as local variable.  And zero out
1082         root at the end of the function.
1083
1084 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
1085
1086         PR rtl-optimization/20365
1087         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
1088         to short.  New member ix.
1089         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
1090         (simplify_plus_minus): Initialize ix members before calling qsort.
1091
1092 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
1093
1094         PR tree-optimization/23626
1095         * tree-cfg.c (replace_uses_by): Clean up eh info.
1096
1097 2005-09-01  DJ Delorie  <dj@redhat.com>
1098
1099         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
1100         fprintf.
1101
1102 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
1103
1104         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
1105         (rs6000_split_multireg_move): Use replace_equiv_address instead of
1106         gen_rtx_MEM.
1107
1108 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
1109
1110         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
1111         do not issue warning for a variable definition following
1112         a declaration.
1113
1114 2005-09-01  Richard Henderson  <rth@redhat.com>
1115
1116         PR 23668
1117         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
1118         conversion to CONST_VECTOR.
1119
1120 2005-09-01  Richard Henderson  <rth@redhat.com>
1121
1122         PR 23676
1123         * reload1.c (reload_as_needed): Check !CALL_P before calling
1124         fixup_eh_region_note.
1125         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
1126
1127 2005-09-01  DJ Delorie  <dj@redhat.com>
1128
1129         * varasm.c (output_constant): Let the target resolve
1130         conversions of addresses to non-default pointer sizes.
1131
1132 2005-09-01  Nicolas Pitre <nico@cam.org>
1133
1134         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
1135         to alow matching ARM pre-indexed addressing mode.
1136         (arm_override_options): Remove now irrelevant comment.
1137
1138 2005-09-01  Phil Edwards  <phil@codesourcery.com>
1139
1140         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
1141         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
1142         * config/i386/vxworks.h:  Likewise.
1143         * config/i386/t-vxworksae:  New file, for VxWorks AE.
1144         * config/i386/vxworksae.h:  Likewise.
1145
1146 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
1147
1148         PR tree-optimization/23410
1149         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
1150         sequence is not wrapping during the first step.
1151
1152 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
1153
1154         PR debug/7241
1155         * dwarf2out.c (base_type_die): Compare char_type_node with
1156         TYPE_MAIN_VARIANT (type), not type.
1157
1158 2005-09-01  Richard Guenther  <rguenther@suse.de>
1159
1160         PR tree-optimization/15366
1161         * common.opt: Add -finline-functions-called-once.
1162         Put -fearly-inlining in alphabetically ordered place.
1163         * doc/invoke.texi: Document new option.
1164         * ipa-inline.c (cgraph_decide_inlining): Honour
1165         flag_inline_functions_called_once.
1166
1167 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
1168
1169         PR rtl-optimization/23478
1170         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
1171         (alloc_qty): Initialize it.
1172         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
1173         (combine_regs): Combine also n_throwing_calls_crossed fields.
1174         (find_free_reg): Don't attempt to caller-save pseudos crossing
1175         calls that might throw.
1176         * global.c (struct allocno): Add throwing_calls_crossed field.
1177         (global_alloc): Revert 2005-08-22 change.  Initialize
1178         throwing_calls_crossed.
1179         (find_reg): Don't attempt to caller-save pseudos crossing calls that
1180         might throw.
1181
1182 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
1183
1184         PR target/23649
1185         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
1186         (mask64_operand): Reinstate code prior to 2005-06-11 change.
1187         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
1188         (and64_2_operand): Tweak to use predicate.
1189         (and_operand): Adjust for mask_operand changes.
1190         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1191         (print_operand): Likewise.
1192         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1193         (mask64_1or2_operand): Delete.
1194         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1195         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1196         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1197         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1198         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1199         (rotldi3_internal4): Likewise.
1200         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1201         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1202         (ashldi3_internal7): Likewise.
1203         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1204         (ashldi3_internal, ashldi3_internal9 split): Likewise.
1205         (anddi3 split): Don't match mask64_operand.
1206         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
1207         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
1208         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
1209         't' splitter predicate.
1210         (movdi_internal64 + 2): Revert 2005-06-11 change.
1211
1212 2005-08-31  DJ Delorie  <dj@redhat.com>
1213
1214         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1215         (m32c_asm_integer): Add support for 32 bit pointers.
1216
1217 2005-08-31  Richard Henderson  <rth@redhat.com>
1218
1219         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1220         component-like references for setting MEM_NOTRAP_P.
1221
1222         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1223         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1224
1225 2005-08-31  Richard Henderson  <rth@redhat.com>
1226
1227         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1228         into a pseudo before applying gen_lowpart.
1229
1230 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
1231
1232         * doc/install.texi (Specific): Update cctools version required
1233         for full functionality.
1234         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1235         linkers as -macosx_version_min.
1236
1237 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
1238
1239         PR target/21255
1240         * sh.c (print_operand, %R and %S): Add handling of floating point
1241         registers, memory, constants and invalid operands.
1242
1243 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
1244
1245         * ipa-pure-const.c: Change dump name.
1246
1247 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1248
1249         PR target/23570
1250         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1251         to "reg_or_0_operand".
1252         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1253
1254 2005-08-31  Dale Johannesen  <dalej@apple.com>
1255
1256         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
1257         loops that count down.
1258
1259 2005-08-31  Richard Henderson  <rth@redhat.com>
1260
1261         PR rtl-opt/23601
1262         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1263         (fixup_eh_region_note): New.
1264         (reload_as_needed): Call it.
1265         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1266         don't call find_many_sub_basic_blocks; call verify_flow_info.
1267         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1268         (keep_stack_depressed): Likewise.
1269         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1270
1271 2005-08-31  Richard Henderson  <rth@redhat.com>
1272
1273         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1274         fp return matching.
1275
1276 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
1277
1278         * expr.c (expand_expr_real_1): Compare size of address 
1279         mode to target's address mode size in deciding expansion of 
1280         the constant address.
1281
1282 2005-08-31  Richard Guenther  <rguenther@suse.de>
1283
1284         PR middle-end/23477
1285         * expr.c (all_zeros_p): New function.
1286         (expand_expr_real_1): Handle the case of an all-zero
1287         non-addressable constructor separately.
1288
1289 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
1290
1291         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1292         arguments, adjust all callers.
1293         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1294
1295 2005-08-30  Richard Henderson  <rth@redhat.com>
1296
1297         PR target/23630
1298         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1299         whenever the mode sizes match.
1300
1301 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
1302
1303         * calls.c (load_register_parameters): Fix comment typo.
1304         * expr.c (emit_push_insn): Comment formatting.
1305
1306 2005-08-30  Ian Lance Taylor  <ian@airs.com>
1307
1308         * config/i386/x-cygwin (host-cygwin): Change dependency from
1309         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1310
1311 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
1312
1313         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1314         parts of 'vals'.
1315
1316 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
1317
1318         PR middle-end/23408
1319         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1320         call to ggc_collect.
1321
1322 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
1323
1324         PR bootstrap/21268
1325         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1326         beginning.  Remove $(INCLUDES) from all the rules, if following
1327         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1328
1329 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
1330
1331         PR middle-end/23484
1332         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1333         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1334         not constant, but maxlen is, don't set len to maxlen, rather
1335         set maxlen to len if len is a constant.
1336
1337 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
1338
1339         PR tree-optimization/23475
1340         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1341         and counts.
1342
1343 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
1344
1345         Fix PR middle-end/22455
1346
1347         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1348         Checksum only the parts of the tree that exist for the tree code.
1349
1350 2005-08-28  Dale Johannesen  <dalej@apple.com>
1351
1352         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
1353
1354 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
1355
1356         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1357
1358 2005-08-28  Richard Henderson  <rth@redhat.com>
1359
1360         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1361         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1362         of char_type_node.
1363
1364 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
1365
1366         PR ada/23593
1367         * builtins.c (get_memory_rtx): Don't strip nops
1368         in between COMPONENT_REFs.
1369
1370 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
1371
1372         PR middle-end/23463
1373         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1374         types.
1375         (gimplify_modify_expr): Check for zero sized types and gimplify the
1376         rhs and lhs as statements.
1377
1378 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
1379
1380         PR libgcj/23508
1381         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1382         state for return address column of signal frames.
1383
1384 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
1385
1386         PR target/23539
1387         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1388         bytes >= 2 not bytes == 2.
1389         (expand_block_move): Same.
1390
1391 2005-08-27  Richard Guenther  <rguenther@suse.de>
1392
1393         PR target/23575
1394         * config/i386/sse.md (sse2_movsd): Add missing closing
1395         braces.
1396
1397 2005-08-27  Paul Brook  <paul@codesourcery.com>
1398
1399         * genrecog.c (enum decision_type): Add DT_num_insns.
1400         (struct decision_test): Add u.num_insns.
1401         (add_to_sequence): Add DT_num_insns test.
1402         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1403         (write_cond, debug_decision_2): Ditto.
1404         (change_state): Assume peep2_next_insn never fails.
1405         Remove "afterward" argument.
1406         (write afterward, write_tree): Update to match.
1407         * recog.c (peep2_current_count): New variable.
1408         (peep2_next_insn): Check it.
1409         (peephole2_optimize): Set peep2_current_count.
1410         * recog.h (peep2_current_count): Declare.
1411
1412 2005-08-26  Josh Conner  <jconner@apple.com>
1413
1414         PR middle-end/23584
1415         * ipa-pure-const.c (check_tree): Check for volatile-ness
1416         when considering a dereference.
1417
1418 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
1419
1420         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1421
1422 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1423
1424         PR rtl-optimization/23561
1425         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
1426         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1427         at most LEN bytes long memory fits into the field.
1428         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1429         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1430         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1431
1432 2005-08-26  Richard Henderson  <rth@redhat.com>
1433
1434         PR rtl-opt/23560
1435         * loop.c (biased_biv_may_wrap_p): New.
1436         (maybe_eliminate_biv_1): Use it to suppress non-equality
1437         comparison transformations.  Delete disabled code.
1438
1439 2005-08-26  Ian Lance Taylor  <ian@airs.com>
1440
1441         * combine.c (make_extraction): Avoid reference outside object.
1442
1443 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
1444
1445         * stor-layout.c (finalize_type_size): Restore behaviour for
1446         non-aggregate types to the status quo ante of the patch for
1447         pr 23467.  Document why it matters.
1448
1449 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1450
1451         PR c/23506
1452         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1453         array by one element, initialize the BT_LAST element with NULL.
1454
1455 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
1456
1457         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1458         optimizing for size.
1459         (plus_eqsi): Same.
1460         (compare_plus_eqsi): Same.
1461         (plus_eqsi_compare): Same.
1462         (neg_eq0<mode>): Same.
1463         (neg_eq<mode>): Same.
1464
1465         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1466         PROCESSOR_POWER4.
1467
1468 2005-08-26  Nick Clifton  <nickc@redhat.com>
1469
1470         * config/v850/v850.c (ep_memory_operand): Return FALSE if
1471         TARGET_EP is not defined.
1472         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1473         TARGET_EP is enabled.
1474         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1475         * config/v850/v850.md (save_all_interrupt): Only use the EP
1476         register if TARGET_EP is defined.
1477         (restore_all_interrupt): Likewise.
1478         * config/v850/lib1funcs.asm: Update functions so that the EP
1479         register is only used if __EP__ is defined.
1480
1481 2005-08-26  David Ung  <davidu@mips.com>
1482
1483         * config/mips/mips.c (mips_expand_prologue): Handle case when
1484         generating for MIPS16 and the outgoing argument area is more than
1485         SMALL_OPERAND. Use the frame pointer as temporary to generate the
1486         add instruction.
1487
1488 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
1489
1490         * config/crx/crx.md: Make doloop_end pattern usage controllable
1491         via mloop-nesting=<max-nesting> command line switch. Make sure
1492         the combiner cannot use doloop_end_<mode> in an illegal way.
1493         * config/crx/crx.c: Use regs up to r6 for argument passing.
1494         Refine crx_address_cost (non cst4 displacements are expensive).
1495         * config/crx/crx.opt: Add switch for mloop-nesting=.
1496
1497 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
1498
1499         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
1500         (UNSPEC_MVST): New constant.
1501
1502 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
1503
1504         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
1505         Reject operands containing eliminable registers.
1506         * testsuite/gcc.dg/20050825-1.c: New testcase.
1507
1508 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1509             Jan Hubicka  <jh@suse.cz>
1510
1511         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
1512
1513 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1514
1515         PR tree-optimization/23546
1516         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
1517         and REAL_CST nodes.
1518
1519 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
1520
1521         * params.def (PARAM_MIN_SPEC_PROB): New.
1522         * sched-rgn.c (MIN_PROBABILITY): Delete.
1523         (compute_trg_info): Convert to PARAM_VALUE.
1524         * doc/invoke.texi (param): Document min-spec-prob.
1525
1526 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
1527
1528         * config/darwin.h: define __PIC__
1529         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
1530         TARGET_OS_CPP_BUILTINS macro.
1531
1532 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1533
1534         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
1535         yesterday.
1536
1537 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
1538
1539         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
1540         to duplicate_block.
1541         * cfghooks.c (duplicate_block): Added position where to place
1542         new block as argument.
1543         * cfghooks.h (duplicate_block): Declaration changed.
1544         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
1545         duplicate_block.
1546         * cfglayout.h (copy_bbs): Declaration changed.
1547         * cfgloop.h (loop_version): Declaration changed.
1548         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
1549         position to copy_bbs.
1550         (loop_version): Pass position to duplicate_loop_to_header_edge.
1551         Add place_after argument and position new blocks according to
1552         it.
1553         * modulo-sched.c (sms_schedule): Pass place_after argument
1554         to loop_version.
1555         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1556         * tree-cfg.c (split_edge_bb_loc): New function.
1557         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1558         to determine position of new blocks.
1559         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1560         to loop_version.
1561         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1562         argument to duplicate_block.
1563         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1564         Pass position to copy_bbs.
1565
1566 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
1567
1568         * fold-const.c (ptr_difference_const): Use
1569         cst_and_fits_in_hwi instead of host_integerp.
1570
1571 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1572
1573         * config/darwin.c (gen_pic_offset): New.
1574         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
1575         Use it.
1576
1577 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
1578
1579         PR tree-optimization/23486
1580         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1581
1582 2005-08-23  Phil Edwards  <phil@codesourcery.com>
1583
1584         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
1585         remove use_collect2.
1586         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
1587
1588         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
1589         configuration files to override the default value.
1590
1591         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
1592         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1593         * config/vx-common.h:  New file, split out from...
1594         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
1595         * config/vxworksae.h:  New file, for VxWorks AE.
1596         * config/vxworks.opt:  New file.
1597         * config/vxlib.c:  Update for VxWorks 6.
1598
1599         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
1600         other MULTILIB_* variables appropriately.
1601         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
1602         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
1603         * config/rs6000/vxworks.h:  Update for VxWorks 6.
1604         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
1605
1606 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
1607
1608         PR target/20799
1609         * config/darwin.c (machopic_select_section): Remove the hack to
1610         mark "::operator new" and "::operator delete" for coalescing
1611         even though they are not weak.
1612
1613 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
1614
1615         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1616         * configure: Regenerate.
1617
1618 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
1619
1620         PR middle-end/23517
1621         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1622         between vectors.
1623         * convert.c (convert_to_integer, convert_to_vector): Likewise.
1624         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1625         Likewise.
1626
1627 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
1628
1629         * config/rs6000/predicates.md (equality_operator): New.
1630         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1631         comparison with a large constant.
1632
1633 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
1634
1635         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1636
1637 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
1638
1639         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1640         registers is even, and we have a hardware double precision fp,
1641         align the buffer.
1642         (sh_gimplify_va_arg_expr): For floating point arguments, consider
1643         size of current argument when checking if argument was passed in
1644         registers.
1645
1646         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1647
1648         PR middle-end/23467
1649         * stor-layout.c (finalize_type_size): Dont override
1650         existing alignment with a smaller alignment from the mode.
1651
1652 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1653
1654         * lambda-code.c (lambda_vector_lexico_pos): Moved...
1655         * lambda.h (lambda_vector_lexico_pos): ... here.
1656         * tree-data-ref.c (build_classic_dist_vector): Return false when
1657         the distance vector is lexicographically negative.
1658
1659 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1660
1661         PR tree-optimization/23511
1662         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't 
1663         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1664
1665 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
1666
1667         PR tree-optimization/22043
1668         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1669         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1670         If ALLOW_FLEXARR, handle types ending with flexible array member.
1671         Pass false as second argument to recursive count_type_elements calls.
1672         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1673         argument to count_type_elements call.
1674         * tree-sra.c (decide_block_copy): Likewise.
1675         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1676         for a constant-sized object, set cleared as well.  Pass true as
1677         second argument to count_type_elements call.
1678
1679 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1680
1681         PR target/21571
1682         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1683         from legitimate_small_data_p, and make global.  Update use.
1684         Remove forward declaration.
1685         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1686         Declare.
1687         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1688
1689 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
1690
1691         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1692         of scratch intermediates.
1693         (eq<mode>_compare): Same.
1694         (neg_eq0<mode>): New.
1695         (neg_eq<mode>): Convert to define_insn_and_split.
1696
1697 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1698
1699         PR target/23070
1700         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1701         stdarg functions, set/clear the fp marker even when no variable
1702         args are passed.
1703         * config/rs6000/sysv4.opt (mprototype): Describe.
1704
1705 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
1706
1707         PR rtl-optimization/23478
1708         * regs.h (reg_info): Add throw_calls_crossed.
1709         (REG_N_THROWING_CALLS_CROSSED): Define.
1710         * flow.c (allocate_reg_life_data): Initialize
1711         REG_N_THROWING_CALLS_CROSSED.
1712         (propagate_one_insn, attempt_auto_inc): Update
1713         REG_N_THROWING_CALLS_CROSSED.
1714         * global.c (global_alloc): Don't allocate pseudos across
1715         calls that may throw.
1716
1717 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
1718
1719         PR c/18715
1720         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1721         value is inbetween the range if we did not find an exact match.
1722
1723 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
1724
1725         * doc/invoke.texi (Option Summary): Add ms1 options.
1726         * doc/extend.texi: Document interrupt handler attribute for ms1.
1727         * doc/md.texi: Document ms1 constraints.
1728         * config.gcc: Add ms1-*-elf.
1729         * config/ms1/ms1.h: New.
1730         * config/ms1/ms1.c: New.
1731         * config/ms1/ms1.md: New.
1732         * config/ms1/ms1-protos.h: New.
1733         * config/ms1/ABI.txt: New.
1734         * config/ms1/crti.asm: New.
1735         * config/ms1/crtn.asm: New.
1736         * config/ms1/lib2extra-funcs.c: New.
1737         * config/ms1/t-ms1: New.
1738         * config/ms1/ms1.opt: New.
1739
1740 2005-08-22 Ira Rosen <irar@il.ibm.com>
1741
1742         * config/rs6000/altivec.md (xorv4sf3): New.
1743         (negv4sf2, neg<mode>2): Likewise.
1744
1745 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
1746
1747         PR target/23485
1748         * config/ia64/ia64.md (divsi3): Check divide by zero.
1749         (udivsi3): Likewise.
1750         (divdi3): Likewise.
1751         (udivdi3): Likewise.
1752
1753 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
1754
1755         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1756         up to elem_bitsize bits, not max_bitsize.
1757
1758 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1759
1760         PR tree-optimization/23433
1761         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1762         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1763
1764 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1765
1766         PR tree-optimization/23434
1767         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1768         the iteration bound is not an INTEGER_CST.
1769
1770 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
1771
1772         * tree-vect-transform.c (get_initial_def_for_reduction): Set
1773         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1774         NULL if need_epilog_adjust is false.
1775         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1776         Case 3 always peels first itration, not just for PLUS case, and no need
1777         to use scalar_initial_def here. Create an epilog adjustment only if
1778         scalar_initial_def is not NULL.
1779
1780         (vectorizable_reduction): Remove assert. 
1781
1782 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
1783
1784         PR target/23485
1785         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1786         (__moddi3): Likewise.
1787         (__udivdi3): Likewise.
1788         (__umoddi3): Likewise.
1789         (__divsi3): Likewise.
1790         (__modsi3): Likewise.
1791         (__udivsi3): Likewise.
1792         (__umodsi3): Likewise.
1793
1794 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
1795
1796         * tree-pass.h (TDF_GRAPH): Define.
1797         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1798         * passes.c (finish_optimization_passes): Only call
1799         finish_graph_dump_file if TDF_GRAPH is set.
1800         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1801         NULL.  Set TDF_GRAPH bit.
1802         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1803
1804 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
1805
1806         * arm.h (arm_stack_offsets): Add locals_base field.
1807         * arm.c (arm_get_frame_offsets): Compute it.
1808         (thumb_compute_initial_elimination offset): Make the Thumb frame
1809         pointer point to the base of the local variables.
1810         (thumb_expand_prologue): Update accordingly.
1811         (thumb_expand_epilogue): Likewise.
1812
1813         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
1814         mode of clobbered scratch to DImode.  Handle a case that's known to
1815         need this.
1816
1817 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
1818
1819         * config/rs6000/rs6000.md (gt0<mode>): Delete.
1820         (gt0<mode>_compare): Delete.
1821         (neg_gt0<mode>): Delete.
1822
1823 2005-08-19  Eric Christopher  <echristo@apple.com>
1824
1825         * optabs.h: Change CTI_ to COI_.
1826         * optabs.c: Ditto.
1827
1828 2005-08-19  James E Wilson  <wilson@specifix.com>
1829
1830         * builtins.c (expand_builtin_return_addr): Set
1831         current_function_accesses_prior_frames when count != 0.  Use
1832         frame_pointer_rtx when count == 0.
1833         * function.h (struct function): Add accesses_prior_frames field.
1834         (current_function_accesses_prior_frames): Define.
1835         * reload1.c (init_elim_table): Check
1836         current_function_accesses_prior_frames.
1837         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1838
1839 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1840
1841         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1842         indicator.  Return true if the flowgraph changed during
1843         cleanup.
1844
1845 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1846
1847         PR 23476
1848         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1849         conditional expression before testing its value.
1850
1851 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1852
1853         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1854
1855 2005-08-19  Devang Patel  <dpatel@apple.com>
1856
1857         PR tree-optimization/23048
1858         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1859         third parameter. Check whether latch is dominated by exit
1860         block or not.
1861         (if_convertible_loop_p): Supply exit block itself to
1862         if_convertible_bb_p.
1863
1864 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1865
1866         PR target/23473
1867         * arm.md (arm_load_pic_register): Change argument to the mask of
1868         saved registers.  Call thumb_find_work_register if we need a
1869         scratch register on Thumb.
1870         (arm_expand_prologue): Pass empty register set to
1871         arm_load_pic_register.
1872         (thumb_expand_prologue): Pass live_regs_mask directly to
1873         arm_load_pic_register.
1874         * arm-protos.h (arm_load_pic_register): Update prototype.
1875
1876 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
1877
1878         * sh.c (find_sole_member): New function.
1879         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1880         if the record's alignment is larger than the size of its only member.
1881
1882 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1883
1884         PR target/23436
1885         * arm.c (thumb_legitimize_reload_address): New function.
1886         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1887         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1888
1889 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
1890
1891         * config/crx/crx.c: Implement crx_decompose_address. Reject
1892         symbolic displacements since CRX register relative adressing
1893         mode can't handle unsigned 32-bit values as displacements.
1894         * config/crx/crx.h: Simplify definitions, remove redundant
1895         parenthesis and obsolete macros.
1896         * config/crx/crx.opt: Add new switch for debugging addresses.
1897         * config/crx/crx-protos.h: Add new declarations for above.
1898
1899 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
1900
1901         PR middle-end/20624
1902         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
1903         looking past it.
1904
1905 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
1906
1907         * collect2.c (dup2): Delete.
1908         * configure.ac: Don't check for dup2.
1909
1910         * config.in, configure: Regenerate.
1911
1912 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
1913
1914         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
1915         record with the type of its only member.
1916
1917 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
1918
1919         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
1920         define_insn_and_split.
1921         (plus_ltu<mode>_compare): Same.
1922         (gtu<mode>_compare): Same.
1923         (plus_gtu<mode>_compare): Same.
1924
1925 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
1926
1927         PR tree-optimization/22228
1928         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
1929         todo_flags_start.
1930         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
1931         are recorded in vect_vnames_to_rename for renaming.
1932         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
1933         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
1934         in vect_vnames_to_rename.
1935         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
1936         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
1937
1938 2005-08-18  Jan Hubicka  <jh@suse.cz>
1939
1940         PR c++/22034
1941         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
1942         info only for local statics, not for member variables.
1943
1944 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1945
1946         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
1947
1948 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1949
1950         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
1951
1952 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
1953
1954         PR middle-end/16045
1955         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
1956
1957 2005-08-17  James E Wilson  <wilson@specifix.com>
1958
1959         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
1960         array size check.
1961
1962 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
1963
1964         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
1965         (leu<mode>_compare): Same.
1966         (plus_leu<mode>): Same.
1967         (neg_leu<mode>): Same.
1968         (and_neg_leu<mode): Same.
1969         (ltu<mode>_compare): Same.
1970         (plus_ltu<mode>): Same.
1971         (geu<mode>): Same.
1972         (geu<mode>_compare): Same.
1973         (plus_geu<mode>): Same.
1974         (neg_geu<mode>): Same.
1975         (and_neg_geu<mode>): Same.
1976         (plus_gt<mode>): Same.
1977         (gtu<mode>_compare): Same.
1978         (plus_gtu<mode>): Same.
1979
1980 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
1981
1982         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
1983         Move call_table_data to end.  Delete spurious .text.
1984         (callt_save_all_interrupt): Fix comment typo.
1985
1986 2005-08-17  James E Wilson  <wilson@specifix.com>
1987             Kevin Winchester  <winchester@amirix.com>
1988
1989         PR target/21684
1990         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
1991
1992 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
1993
1994         PR target/23268
1995         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
1996         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
1997
1998 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
1999
2000         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
2001         record with the type of its only member if the modes don't match.
2002
2003         * varasm.c (decode_reg_name): Skip empty additional register names.
2004
2005 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
2006
2007         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
2008         lsm_tmp_name_length): New.
2009         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
2010         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
2011
2012 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2013             Andreas Krebbel  <krebbel1@de.ibm.com>
2014
2015         * config.gcc: Added z9-109 switch.
2016         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
2017         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
2018         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
2019         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2020         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
2021         for "z9_109" cpu attribute.
2022         * config/s390/s390.c (z9_109_cost): New processor cost structure.
2023         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
2024         (s390_handle_arch_option): Added z9-109 switch.
2025         (override_options): Set respective cost function for z9-109.
2026         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
2027         (legitimate_reload_constant_p): Accept extended immediates.
2028         (print_operand): Three new output modifiers added: k, m and o.
2029         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
2030         (s390_output_mi_thunk): Use extended immediate when possible.
2031         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
2032         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
2033         (CONSTRAINT_LEN): Added length of O constraint.
2034         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
2035         * config/s390/s390.md ("cpu"): New value z9_109 added.
2036         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
2037         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
2038         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
2039         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
2040         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
2041         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
2042         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
2043         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
2044         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
2045         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2046         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
2047         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
2048         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
2049         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
2050         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
2051         immediates.
2052         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
2053         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
2054         insns for TARGET_EXTIMM.
2055
2056 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2057
2058         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
2059
2060 2005-08-17  Nick Clifton  <nickc@redhat.com>
2061
2062         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
2063         Call default_encode_section_info.
2064
2065 2005-08-17  Steven Bosscher  <stevenb@suse.de>
2066
2067         PR tree-optimization/21574
2068         * tree-ssa-ccp.c (likely_value): If the right hand side is a
2069         constant, return CONSTANT.
2070         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
2071         (ccp_fold, visit_assignment): Likewise.
2072         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
2073
2074 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
2075
2076         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
2077         fold_buildN instead of buildN then fold_initializer or fold.
2078         (build_unary_op): Likewise.
2079         (build_binary_op): Likewise.
2080         * fold-const.c (fold_initializer): Remove.
2081         (fold_build1_initializer): New function.
2082         (fold_build2_initializer): New function.
2083         (fold_build3_initializer): New function.
2084         * tree.h (fold_initializer): Remove.
2085         (fold_build1_initializer): New function.
2086         (fold_build2_initializer): New function.
2087         (fold_build3_initializer): New function.
2088
2089 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
2090
2091         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
2092         (try_move_mult_to_index): Call fold_build2 instead of build2.
2093         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
2094         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
2095         fold_binary_to_constant.
2096         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
2097         fold (build.
2098         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
2099         check if A == gcd (A, B).  Remove TYPE argument.
2100         (analyze_offset) Use fold_build2 instead of fold (build.
2101         (create_data_ref): Likewise.
2102         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
2103         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
2104         then fold.
2105
2106 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
2107
2108         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
2109         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
2110
2111 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
2112
2113         PR tree-opt/23402
2114         * gimplify.c (zero_sized_type): New function.
2115         (gimplify_modify_expr_rhs): If we have a zero sized type,
2116         replace the statement with an empty statement.
2117
2118 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
2119
2120         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
2121         fxsave.
2122
2123 2005-08-16  Ian Lance Taylor  <ian@airs.com>
2124
2125         * doc/tm.texi (Label Output): Correct typo.
2126
2127 2005-08-16  Steven Bosscher  <stevenb@suse.de>
2128
2129         PR target/23376
2130         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
2131         force_operand will work later on using have_insn_for.
2132
2133 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2134
2135         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
2136
2137 2005-08-16  Ian Lance Taylor  <ian@airs.com>
2138
2139         PR c++/23337
2140         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
2141         vector type, don't try to construct it element by element.  Add an
2142         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
2143
2144 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2145
2146         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
2147
2148 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
2149
2150         * doc/invoke.texi (Precompiled Headers): Document some more options
2151         which are known to be safe.
2152
2153 2005-08-16  James E Wilson  <wilson@specifix.com>
2154
2155         PR tree-optimization/21105
2156         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2157         TREE_OVERFLOW check.
2158
2159 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
2160
2161         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
2162         (neg_ltu<mode>): Same.
2163         (gtu<mode>): Same.
2164         (neg_gtu<mode>): Same.
2165
2166 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2167
2168         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
2169         (fold_builtin_isdigit): Use fold_buildN.
2170         (build_function_call_expr): Likewise.
2171         * c-typeck.c (c_finish_loop): Likewise.
2172
2173 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
2174             Richard Shann <rshann@superh.com>
2175
2176         PR middle-end/20396:
2177         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
2178
2179 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
2180
2181         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
2182
2183 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
2184
2185         PR target/23355
2186         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
2187         arm_compure_save_reg0_reg12_mask to determine when the PIC register
2188         must be saved.
2189
2190 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2191
2192         PR middle-end/23369
2193         * fold-const.c (build_range_check): Disable optimization for function
2194         pointer expressions on targets that require function pointer
2195         canonicalization.
2196
2197 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
2198
2199         * simplify-rtx.c (simplify_const_relational_operation): When
2200         extracting arguments of a COMPARE, recompute the mode as well.
2201
2202 2005-08-15  Ian Lance Taylor  <ian@airs.com>
2203
2204         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2205
2206 2005-08-15  DJ Delorie  <dj@redhat.com>
2207
2208         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2209         the stack.
2210         (movsi_splittable): Allow, but split, moves to the stack.
2211         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2212         stack.
2213
2214 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2215
2216         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2217         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2218         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2219
2220         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2221         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2222         Delete HOST_PTR_PRINTF.
2223
2224         * configure, config.in: Regenerate.
2225
2226 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
2227
2228         * config/rs6000/rs6000.md (QHSI): New mode macro.
2229         (wd): Extend mode attr for QImode and HImode
2230         (dbits): New mode attr.
2231         (zero_extend<mode>di2): Convert to mode macro.
2232
2233 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
2234
2235         PR target/21841
2236         * doc/invoke.texi (-mgnu-ld): Update description.
2237         (-mhp-ld): Ditto.
2238
2239 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2240
2241         PR 23391
2242         * Makefile.in (tree-chrec.o): Depends on real.h.
2243         * tree-chrec.c: Include real.h.
2244         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2245         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2246         * tree-scalar-evolution.c (add_to_evolution_1,
2247         interpret_rhs_modify_expr): Ditto.
2248
2249 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2250
2251         PR 23386
2252         * tree-data-ref.c (estimate_niter_from_size_of_data): When
2253         step is negative compute the estimation from init downwards to zero.
2254
2255 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
2256
2257         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2258
2259 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2260
2261         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2262         constraint.
2263         (legitimate_reload_constant_p): Fix handling of lliXX operands.
2264         Accept double-word constants that can be split.
2265         * config/s390/s390.md ("movti"): Use 'P' constraint.
2266         ("*movdi_31", "*movdf_31"): Likewise.
2267
2268 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
2269
2270         Fix PR tree-optimization/22615
2271
2272         * tree-ssa-structalias.c (solution_set_add): Handle
2273         first_vi_for_offset returning NULL.
2274         (do_da_constraint): Ditto.
2275         (do_sd_constraint): Ditto.
2276         (do_ds_constraint): Ditto
2277         (find_func_aliases): Ditto.
2278         (build_constraint_graph): RHS is allowed be ANYTHING.
2279         (first_vi_for_offset): Return NULL if we couldn't find anything at
2280         the offset.
2281
2282 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2283
2284         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2285         over memory as first operand.
2286
2287 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
2288
2289         PR target/23360
2290         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2291         available for setting it.
2292
2293 2005-08-14  Ira Rosen  <irar@il.ibm.com>
2294
2295         PR tree-optimization/23320
2296         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2297         data-refs' types instead of base object nullness. Add check for
2298         pointer type data-refs before first location comparison. Remove
2299         assert.
2300
2301 2005-08-14  Andreas Schwab  <schwab@suse.de>
2302
2303         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2304
2305 2005-08-13  James E Wilson  <wilson@specifix.com>
2306
2307         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2308         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2309         -fstack-protector-all, --param ssp-buffer-size): Document.
2310         (-Wvariadic-macros): Alphabetize.
2311         (-fsched-stalled-insns-dep): Add missing 'f'.
2312
2313         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2314         macros.
2315
2316 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
2317
2318         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2319         or indirect address operand.
2320         (EXTRA_ADDRESS_CONSTRAINT): New.
2321         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2322
2323 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
2324
2325         PR tree-optimization/22236
2326         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2327         successors and predecessors.
2328         * tree-chrec.c (chrec_convert): Before converting, check that
2329         sequences don't wrap.
2330         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2331         (analyze_array): Extern.
2332         (find_data_references_in_loop): Remove call to
2333         compute_estimated_nb_iterations.
2334         * tree-data-ref.h (analyze_array): Declared.
2335         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2336         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2337         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2338         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2339         condition.
2340         * tree-ssa-loop-ivcanon.c: Fix documentation.
2341         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2342         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2343         (infer_loop_bounds_from_undefined): New.
2344         (estimate_numbers_of_iterations_loop): Use
2345         infer_loop_bounds_from_undefined.
2346         (used_in_pointer_arithmetic_p): New.
2347         (scev_probably_wraps_p): Pass an extra parameter.  Call
2348         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
2349         (convert_step): Fix documentation.
2350         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2351         Use initial_condition_in_loop_num and evolution_part_in_loop_num
2352         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
2353         scev_probably_wraps_p.
2354
2355 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
2356
2357         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2358         (s390_register_info): Ignore clobbered_regs information for fixed
2359         registers, and only fixed registers.
2360         (s390_init_frame_layout): Remove redundant call.
2361
2362 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
2363
2364         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2365         description of -Wold-style-casts.
2366
2367 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2368             Jakub Jelinek  <jakub@redhat.com>
2369
2370         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2371         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2372         * config/s390/s390.c (print_operand): New output modifier 'G' added.
2373         (get_thread_pointer): Renamed to s390_get_thread_pointer.
2374         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2375         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2376         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2377         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2378         ("stack_protect_set", "stack_protect_test"): New expanders.
2379         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2380         "stack_protect_testdi"): New insn definitions.
2381
2382 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2383
2384         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2385
2386 2005-08-12  Paul Brook  <paul@codesourcery.com>
2387
2388         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2389
2390 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2391
2392         * config/s390/predicates.md (setmem_operand): New predicate.
2393         (shift_count_operand): Accept ANDs with special constants as
2394         operand.
2395         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2396         with special constants.
2397         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2398         shift_count_operand with setmem_operand.
2399
2400 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2401
2402         * config/s390/s390.c (s390_extract_part, s390_single_part):
2403         Type cast added.
2404         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2405         (s390_output_mi_thunk): Don't use lg on 31 bit.
2406         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2407         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2408
2409 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2410
2411         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2412         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2413         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2414         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2415         with one of the new macros.
2416
2417 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2418
2419         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2420         Don't set save_return_addr_p.
2421         (s390_register_info): Make clobbered_regs not depending on
2422         save_return_addr_p.
2423
2424 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2425
2426         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2427         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2428
2429 2005-08-11  James E. Wilson  <wilson@specifix.com>
2430
2431         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2432
2433 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
2434
2435         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2436         locations gathered by var-tracking in single entry loc_list
2437         over loc_descriptor_from_tree.
2438
2439         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2440         pass it down to loc_descriptor.
2441         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2442         (containing_function_has_frame_base): Move earlier in the file.
2443         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2444         instead of always assuming fbreg can't be used.
2445
2446 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
2447
2448         * config/rs6000/altivec.md: Change constraint "m" to "Z".
2449         * config/rs6000/predicates.md (indexed_or_indirect_operand):
2450         Accept address wrapped in AND for Altivec.
2451         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2452         Strip AND wrapping offset address for Altivec.
2453
2454 2005-08-11  Richard Henderson  <rth@redhat.com>
2455
2456         PR middle-end/23312
2457         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2458         before using TYPE_IS_SIZETYPE.
2459
2460 2005-08-11  Richard Henderson  <rth@redhat.com>
2461
2462         PR target/22225
2463         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2464         insn types not present on ev4.
2465         (alphaev5_insn_pipe): Similarly.
2466
2467 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
2468
2469         PR target/23250
2470         * arm.c (arm_override_options): If the user has selected callee-super-
2471         interworking, then enable normal interworking.
2472
2473 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2474
2475         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2476         redefinition.
2477
2478 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
2479
2480         * doc/rtl.texi: Fix two typos.
2481
2482 2005-08-11  Richard Guenther  <rguenther@suse.de>
2483
2484         PR target/23289
2485         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
2486         cases where we call to/from functions returning void.
2487
2488 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
2489
2490         PR c++/23225
2491         * tree.c (build_pointer_type_for_mode): Robustify.
2492
2493 2005-08-10  James E Wilson  <wilson@specifix.com>
2494
2495         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
2496         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
2497
2498         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
2499         "cum->".
2500
2501 2005-08-10  Eric Christopher  <echristo@apple.com>
2502
2503         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
2504         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
2505         V2DFmode.
2506
2507 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
2508
2509         PR target/21887
2510         * config/darwin.c (machopic_indirect_data_reference): Use a new register
2511         for the high part when generating dynamic-no-pic code.
2512
2513 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
2514
2515         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
2516         (x86_64-*-linux*): Likewise.
2517
2518         * config/i386/crtfastmath.c: New file.
2519         * config/i386/t-crtfm: Likewise.
2520
2521         * config/i386/linux.h (ENDFILE_SPEC): New.
2522         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
2523
2524         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2525         crtfastmath.o.
2526
2527 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
2528
2529         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
2530         (vec_shl, vec_shr): Document new operations.
2531         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
2532
2533 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
2534
2535         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
2536         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
2537         change predicate to indexed_or_indirect_address.
2538
2539 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
2540
2541         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
2542         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
2543         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
2544         and __aeabi_uwrite8.
2545         * config/arm/unaligned-funcs.c: New file.
2546         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
2547
2548 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
2549
2550         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2551         Add dump.
2552         * cfglayout.c (pass_insn_locators_initialize): Add dump.
2553         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2554         Add dump.
2555         * except.c (pass_convert_to_eh_region_ranges): Add dump.
2556         * final.c (pass_shorten_branches): Add dump.
2557         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2558         (pass_life): Rename dump.
2559         (rest_of_handle_flow2): Remove initial verify_flow_info.
2560         * function.c (pass_instantiate_virtual_regs): Add dump.
2561         * integrate.c (pass_initial_value_sets): Add dump.
2562         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2563         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2564         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2565         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2566         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2567         gate_rtl_unrool_and_peel_loops): New.
2568         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2569         rtl_doloop): Do not look at flags.
2570         * mode-switching.c (pass_mode_switching): Add dump.
2571         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2572         pass_split_before_regstack): Add dump.
2573         * regmove.c (pass_stack_adjustments): Add dump.
2574         * tree-optimize.c (pass_fixup_cfg): Add dump.
2575
2576 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2577
2578         PR 23309
2579         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2580         deciding which instruction sequence to use.
2581
2582 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
2583
2584         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
2585         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2586
2587 2005-08-09  Richard Guenther  <rguenther@suse.de>
2588
2589         * c-common.c (builtin_function_2): Remove.
2590         (def_builtin_1): New function.
2591         (c_common_nodes_and_builtins): Use def_builtin_1 to
2592         build builtin functions.
2593
2594 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
2595
2596         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2597         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2598         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2599         Visual DSP.
2600
2601 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
2602
2603         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2604         fold_binary instead of fold_build2 since we don't care about the
2605         resulting tree.
2606         (loop_niter_by_eval): Likewise.
2607         (compare_trees): Likewise.
2608         (proved_non_wrapping_p): Likewise.
2609
2610 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
2611
2612         PR c/23161
2613         PR c/23165
2614         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2615         if the if is really empty.
2616
2617 2005-08-09  Steven Bosscher  <stevenb@suse.de>
2618
2619         PR tree-optimization/23234
2620         * tree-ssa-math-opts.c (place_reciprocal): New enum.
2621         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2622         argument of the new enum.
2623         (execute_cse_reciprocals): Add reciprocals for function arguments
2624         on the unique successor edge of the entry block.  Update other calls
2625         to execute_cse_reciprocals_1.
2626
2627 2005-08-08  Richard Henderson  <rth@redhat.com>
2628
2629         PR 22439
2630         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2631
2632 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
2633
2634         * expr.c (write_complex_part): Return after handling MEM.
2635
2636 2005-08-08  Josh Conner  <jconner@apple.com>
2637
2638         PR rtl-optimization/23241
2639         * combine.c (simplify_comparison): Fix error in determining
2640         whether to lift a subreg from comparison.
2641
2642 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
2643
2644         PR target/18506
2645         * config/rs6000/altivec.md (vec_init<mode>): New.
2646         (vec_set<mode>): New.
2647         (vec_extract<mode>): New.
2648         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2649         (rs6000_expand_vector_set): New.
2650         (rs6000_expand_vector_extract): New.
2651         (rs6000_legitimate_offset_address_p): Offset addresses are valid
2652         for Altivec modes before reload.
2653         (altivec_expand_vec_init_builtin): New.
2654         (get_element_number): New.
2655         (altivec_expand_vec_set_builtin): New.
2656         (altivec_expand_vec_ext_builtin): New.
2657         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2658         builtins.
2659         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2660         builtins.
2661         * config/rs6000/rs6000.h (rs6000_builtins): Add
2662         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2663         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2664         * config/rs6000/rs6000-protos.h: Declare new functions.
2665
2666 2005-08-08  Jan Hubicka  <jh@suse.cz>
2667
2668         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2669         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2670         * i386.md (movdi*): Use pic_32bit_operand.
2671         * predicates.md (pic_32bit_operand): New.
2672
2673 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
2674
2675         PR c++/21166
2676         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2677
2678 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
2679
2680         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2681         (test_for_singularity): Use fold_build2.
2682
2683 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2684
2685         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2686
2687 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
2688
2689         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2690         (COMMON_ASM_OP) Define.
2691         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2692         (ix86_encode_section_info): Likewise.
2693         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2694         SUBTARGET_ENCODE_SECTION_INFO.
2695
2696 2005-08-06  Richard Henderson  <rth@redhat.com>
2697
2698         PR 21894
2699         * tree-nested.c (convert_local_reference): Save and restore val_only
2700         around component_ref and friends.  Clear walk_subtrees by default.
2701
2702 2005-08-06  Peter O'Gorman  <peter@pogma.com>
2703
2704         PR 21366
2705         * gcc.c (process_command): Check the argument to -b has a dash.
2706         * doc/invoke.texi: Update -b and -V docs.
2707
2708 2005-08-06  James E Wilson  <wilson@specifix.com>
2709
2710         * config/mips/cross64.h, config/mips/t-cross64: Delete.
2711
2712 2005-08-06  Michael Matz  <matz@suse.de>
2713
2714         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2715         member only if only one insn is associated with the value.
2716
2717 2005-08-06  Nick Clifton  <nickc@redhat.com>
2718
2719         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2720         New define.
2721         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2722         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2723         Check symbol flags instead of symbol name mangling.
2724         (xstormy16_asm_output_aligned_common): Likewise.  Also
2725         simplify code since the bss100_section cass is the only case
2726         where the below100 code will be triggered.
2727         (xstormy16_encode_section_info): Encode below100 attribute
2728         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2729         the name.
2730         (xstormy16_strip_name_encoding): Delete - this function is no
2731         longer needed.
2732         (TARGET_STRIP_NAME_ENCODING): Undefine.
2733         * config/stormy16/stormy16-protos.h: Delete prototype for
2734         xstormy16_strip_name_encoding.
2735
2736 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
2737
2738         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2739         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2740         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2741         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2742         config/alpha/predicates.md, config/arc/arc.h,
2743         config/arm/arm.h, config/arm/ieee754-df.S,
2744         config/arm/ieee754-sf.S, config/bfin/bfin.c,
2745         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2746         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2747         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2748         config/m68hc11/m68hc11.h, config/mips/mips.c,
2749         config/mips/mips.h, config/mips/openbsd.h,
2750         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2751         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2752         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2753         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2754         config/sparc/linux.h, config/sparc/linux64.h,
2755         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2756         doc/extend.texi, doc/gcov.texi, doc/install.texi,
2757         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2758         typos.  Follow spelling conventions.
2759
2760 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
2761
2762         PR c/23113
2763         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2764         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2765         specially.  Check for side effects only for COND_EXPR.
2766         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2767         return with TREE_NO_WARNING.
2768
2769 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
2770
2771         PR rtl-optimization/23233
2772         * loop.c (combine_movables): Require the modes to be the same.
2773         (move_movables): Remove handling of cases where the replacement
2774         had a different mode to the original.
2775
2776 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
2777
2778         PR tree-optimization/23128
2779         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2780         subtraction wrap, and set TREE_OVERFLOW if they do.
2781
2782 2005-08-05  Richard Henderson  <rth@redhat.com>
2783
2784         PR 21728
2785         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2786         FORCED_LABEL labels.
2787
2788 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
2789
2790         PR middle-end/23135
2791         * reload.c (find_reloads_subreg_address): Pass down TYPE
2792         unchanged.  Change all callers except find_reloads_toplev.
2793
2794 2005-08-05  Michael Matz  <matz@suse.de>
2795
2796         * genattrtab.c (current_alternative_string): Remove.
2797         (SIMPLIFY_ALTERNATIVE): Ditto.
2798         (attr_alt_bit_p): Ditto.
2799         (alternative_name): Make const char *.
2800         (evaluate_eq_attr): Remove use of above things.
2801         (simplify_test_exp): Ditto.
2802         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2803         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2804
2805 2005-08-04  James E Wilson  <wilson@specifix.com>
2806
2807         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2808         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2809         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2810         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2811         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2812
2813 2005-08-04  Richard Henderson  <rth@redhat.com>
2814
2815         PR 21529
2816         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2817         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2818         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
2819         if we'd have to instantiate too many members.
2820
2821 2005-08-04  Richard Henderson  <rth@redhat.com>
2822
2823         PR 21291
2824         * tree-outof-ssa.c (coalesce_asm_operands): New.
2825         (coalesce_ssa_name): Use it.  Split out ...
2826         (coalesce_phi_operands, coalesce_result_decls): ... these.
2827
2828 2005-08-04  Paul Brook  <paul@codesourcery.com>
2829
2830         * read-rtl.c (read_quoted_string): Break if EOF.
2831
2832 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
2833
2834         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2835         (fold_build2): Likewise.
2836         (fold_build3): Likewise.
2837         (fold_build1_stat): New function prototype.
2838         (fold_build2_stat): Likewise.
2839         (fold_build3_stat): Likewise.
2840         * fold-const.c (fold_build1): Rename to ..
2841         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2842         through to build1_stat.
2843         (fold_build2): Rename to ..
2844         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2845         through to build2_stat.
2846         (fold_build3): Rename to ..
2847         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2848         through to build3_stat.
2849
2850 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
2851             Ian Lance Taylor  <ian@airs.com>
2852
2853         * function.c (assign_stack_local_1): Do not correct stack slot
2854         address if allocation size is smaller than mode size.
2855
2856 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
2857
2858         PR 22037
2859         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2860         (tree_merge_blocks): Propagate anything allowed by
2861         may_propagate_copy.
2862         Clarify documentation.
2863         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2864         SSA form, schedule an update if necessary.
2865
2866 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
2867
2868         * doc/install.texi (Binaries): Remove broken link to
2869         Sinix/Reliant Unix binaries.
2870
2871 2005-08-03  Richard Henderson  <rth@redhat.com>
2872
2873         PR 23221
2874         * function.c (stack_protect_epilogue): Export.
2875         * tree.h (stack_protect_epilogue): Declare.
2876         * calls.c (expand_call): Call it.
2877
2878 2005-08-03  Eric Christopher  <echristo@apple.com>
2879
2880         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2881         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2882         spec.
2883
2884 2005-08-04  Jan Hubicka  <jh@suse.cz>
2885
2886         * profile.c (branch_prob): Split edges with goto locus on them
2887         to get proper line counts.
2888         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2889
2890 2005-08-03  Paul Brook  <paul@codesourcery.com>
2891
2892         * function.c (assign_parms): Round current_function_args_size
2893         to PARM_BOUNDARY, not STACK_BOUNDARY.
2894
2895 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
2896
2897         * config/i386/i386.c (x86_elf_aligned_common)
2898         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2899
2900 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
2901
2902         PR tree-optimization/23157
2903         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
2904         before emitting them.
2905
2906 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2907
2908         PR tree-optimization/19899
2909         * Makefile.in (tree-scalar-evolution.o): Add real.h.
2910         * tree-scalar-evolution.c: Include real.h.
2911         (add_to_evolution): Build constant -1 of correct type.
2912
2913 2005-08-03  Jan Hubicka  <jh@suse.cz>
2914
2915         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
2916         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
2917         profile updating for complette unrolling.
2918         * loop-unroll.c (peel_loop_completely): Use it.
2919         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
2920         (tree_unroll_loops_completely): Disable code growing unrolling of cold
2921         loops.
2922
2923 2005-08-03  Paul Brook  <paul@codesourcery.com>
2924
2925         * combine.c (can_change_dest_mode): New function.
2926         (try_combine, simplify_set): Use it.
2927
2928 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
2929
2930         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
2931         TFmode to BLKmode.
2932
2933 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
2934
2935         * doc/install.texi (Specific): Adjust link to openavr.org.
2936         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
2937         (Binaries): Adjust HP-UX Porting Center link.
2938         (Binaries): Adjust Free Software Foundation ordering link.
2939
2940 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
2941
2942         * convert.c (convert_to_integer): Use fold_build1 instead of
2943         build1 when converting an integer to an integer.
2944
2945 2005-08-02  Richard Henderson  <rth@redhat.com>
2946
2947         * combine.c (combine_instructions): Don't use reg_equal/equiv
2948         results if the mode doesn't match.
2949
2950 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
2951
2952         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
2953         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
2954
2955 2005-08-02  Richard Henderson  <rth@redhat.com>
2956
2957         PR 23196
2958         * explow.c (memory_address): Remove special-case for
2959         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
2960
2961 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
2962
2963         PR 23164
2964         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
2965         number of calls to cleanup_tree_cfg_1.
2966
2967 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
2968
2969         * doc/invoke.texi: document file extensions .F90 and .F95
2970
2971 2005-08-02  Richard Guenther  <rguenther@suse.de>
2972
2973         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
2974         positive if its first argument is positive.
2975
2976 2005-08-02  Richard Guenther  <rguenther@suse.de>
2977
2978         PR tree-optimization/23177
2979         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
2980         on TMR_TAG.
2981
2982 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
2983
2984         PR tree-optimization/23129
2985         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
2986         varying for divisions with anti-ranges.
2987
2988 2005-08-02  Jan Hubicka  <jh@suse.cz>
2989
2990         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
2991         * tree-ssa-threadupdate.c (thread_block): Add it here.
2992
2993 2005-08-01  James E Wilson  <wilson@specifix.com>
2994
2995         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
2996         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
2997         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
2998         New.
2999         * config/mips/predicates.md (const_call_insn_operand): Add check for
3000         SYMBOL_REF_LONG_CALL_P.
3001         * doc/extend.texi (long_call): Document the new attribute.
3002
3003 2005-08-01  Ian Lance Taylor  <ian@airs.com>
3004             Richard Henderson  <rth@redhat.com>
3005
3006         * Makefile.in (RTL_BASE_H): Add real.h.
3007         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
3008         instead of memcpy.
3009         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
3010         directly.
3011         * rtl.c (rtl_check_failed_code_mode): New.
3012         * rtl.h (struct rtx_def): Add u.rv.
3013         (XCMWINT, XCNMPRV): New.
3014         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
3015         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
3016
3017 2005-08-01  Richard Henderson  <rth@redhat.com>
3018
3019         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
3020         with auto-inc codes.
3021
3022         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
3023
3024 2005-08-01  Jan Hubicka  <jh@suse.cz>
3025
3026         * i386-protos.h (asm_preferred_eh_data_format): Declare.
3027         * i386.c: Include dwarf2.h
3028         (asm_preferred_eh_data_format): New.
3029         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
3030
3031 2005-08-01  Ian Lance Taylor  <ian@airs.com>
3032
3033         * config/host-linux.c (linux_gt_pch_get_address): Add new name
3034         randomize_va_space for virtual address randomization control.
3035
3036 2005-08-01  Steven Bosscher  <stevenb@suse.de>
3037
3038         * common.opt (flag_ipa_cp): Put in right place to maintain
3039         alphabetic sort.
3040
3041 2005-08-01  Jan Hubicka  <jh@suse.cz>
3042
3043         * profile.c (compute_value_histograms): Fix thinko.
3044         * value-prof.c: Include toplev.h
3045         (check_counter): New function.
3046         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3047         tree_mod_subtract_transform): Add sanity check.
3048
3049 2005-08-01  Richard Guenther  <rguenther@suse.de>
3050
3051         PR tree-optimization/23133
3052         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
3053         current functions parameter decls to find defs to cse
3054         reciprocals of.
3055
3056 2005-08-01  Richard Guenther  <rguenther@suse.de>
3057
3058         PR tree-optimization/23109
3059         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
3060         If trapping math is in effect, use post-dominator information
3061         to check if we'd in any case reach a trapping point before
3062         doing the reciprocal insertion.
3063         (execute_cse_reciprocals): Compute post-dominators, if necessary.
3064         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
3065         expressions are invariant only if trapping math is not in effect.
3066
3067 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
3068
3069         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
3070         cgraph_function_versioning): New declarations.
3071         * cgraphunit.c: Add include to ipa-prop.h.
3072         (update_call_expr, cgraph_copy_node_for_versioning,
3073         cgraph_function_versioning): New functions.
3074         * integrate.c (copy_decl_for_inlining): Remove.
3075         * ipa-prop.h (ipa_replace_map): New struct.
3076         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
3077         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
3078         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
3079         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
3080         ipcp_iterate_stage, ipcp_method_scale_print,
3081         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
3082         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
3083         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
3084         ipcp_update_bb_counts, ipcp_update_profiling,
3085         ipcp_update_edges_counts): New functions.
3086         (ipcp_method_cval_init): Remove restriction regarding local methods.
3087         (ipcp_init_stage): Add ipcp_method_compute_scale.
3088         (ipcp_insert_stage): Add versioning.
3089         (ipcp_structures_print): Add ipcp_method_scale_print.
3090         (ipcp_driver): Dump profiling info.
3091         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
3092         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
3093         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
3094         (struct inline_data): Add versioning_p, ipa_info, new fields.
3095         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
3096         declare_return_variable): Replace calls to copy_decl_for_inlining with
3097         copy_decl_for_dup.
3098         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
3099         versioning support.
3100         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
3101         Add argument VERSIONING.
3102         (copy_arguments_for_versioning, copy_static_chain,
3103         function_versionable_p, tree_versionable_function_p,
3104         tree_function_versioning, replace_ref_tree): New functions.
3105         * tree-inline.h: Include varray.h.
3106         (tree_versionable_function_p,  tree_function_versioning,
3107         tree copy_decl_for_dup): New declarations.
3108
3109 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
3110
3111         * ipa-cp.c: New file. Contains IPCP specific functionality.
3112         * ipa-prop.h: New file. Contains structures/definitions that can be
3113         used by several interprocedural data flow optimizations (and also IPCP).
3114         * ipa-prop.c: New file.
3115         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
3116         * common.opt: Add ipa-cp flag.
3117         * timevar.def: Add IPCP optimization.
3118         * tree-optimize.c (init_tree_optimization_passes): Schedule
3119         pass_ipa_cp.
3120         * tree-pass.h (pass_ipa_cp): Declare.
3121
3122 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
3123
3124         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
3125         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
3126         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
3127         config/i386/i386.c, config/mips/mips.h,
3128         config/rs6000/rs6000.h, config/sh/sh.c,
3129         config/stormy16/stormy16.c: Fix comment typos.
3130
3131 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
3132
3133         PR c/22311
3134         * c-typeck.c (build_binary_op): Use common_type wrapper on
3135         shortened types.
3136         (common_type): Update comment.
3137
3138 2005-07-31  Steven Bosscher  <stevenb@suse.de>
3139
3140         PR target/23095
3141         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
3142         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
3143         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
3144
3145 2005-07-31  Jan Hubicka  <jh@suse.cz>
3146
3147         * pretty-print.h (pp_widest_integer): New macro.
3148         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
3149         counts.
3150
3151 2005-07-31  Jan Hubicka  <jh@suse.cz>
3152
3153         * output.h (enum section_category): Export from varasm.c
3154         (categorize_decl_for_section): Likewise.
3155         * varasm.c (enum section_category): Kill.
3156         (categorize_decl_for_section): Make global.
3157         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
3158         Declare.
3159         * i386.c (ix86_section_threshold): New static variable.
3160         (ix86_in_large_data_p, ix86_encode_section_info,
3161         x86_64_elf_unique_section,
3162         x86_64_elf_select_section): New functions.
3163         (TARGET_ENCODE_SECTION_INFO): Define
3164         (override_options): Enable medium model for PIC.
3165         (ix86_expand_prologue): Expand gen_set_got_rex64.
3166         (legitimate_constant_p): Handle new UNSPECs.
3167         (legitimate_pic_address_disp_p): Likewise.
3168         (legitimize_pic_address): Lower MEDIUM model addressing.
3169         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
3170         (enum cmodel): Add MEDIUM_PIC.
3171         (SYMBOL_REF_FAR_ADDR_P): New macro.
3172         (SYMBOL_FLAG_FAR_ADDR): New flag.
3173         * i386.md (movdi): Support medium model.
3174         (set_got_rex64): New pattern.
3175         * i386.opt (mlarge-data-threshold): New flag.
3176         * predicates.md (zext_operand/sext_operand): Deal with medium model.
3177         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
3178         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
3179         TARGET_ASM_UNIQUE_SECTION): New.
3180
3181         * invoke.texi (-mlarge_data_threshold): Document
3182
3183 2005-07-31  Jan Hubicka  <jh@suse.cz>
3184
3185         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
3186         (coalesce_vars): Likewise.
3187         * tree-ssa-live.c (coalesce_cost): New.
3188         (build_tree_conflict_graph): Use coalesce_cost.
3189         * tree-ssa-live.h (coalesce_cost): Declare.
3190
3191 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
3192
3193         * arm.md (all peepholes for post-increment operations): Delete.
3194         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3195         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3196         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3197         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3198         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3199
3200 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
3201
3202         * fold-const.c (tree_expr_nonnegative_p): Always return true for
3203         non-integral types.
3204
3205 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
3206
3207         PR target/22582
3208         * doc/invoke.texi: Document -rdynamic.
3209
3210 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
3211
3212         PR c/23143
3213         * c-parser.c (c_parser_parms_list_declarator): Call
3214         mark_forward_parm_decls.
3215         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3216         decls with visibility structure.
3217
3218 2005-07-30  Paul Brook  <paul@codesourcery.com>
3219
3220         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3221
3222 2005-07-30  Paul Brook  <paul@codesourcery.com>
3223
3224         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3225         prototype.
3226         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3227         value for mode.
3228         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3229
3230 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3231
3232         PR c/529
3233         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3234         nested function declarators.
3235         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3236         (grokparms): Call warn_if_shadowing for parameters used within the
3237         parameter list.
3238         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3239         not used within the parameter list.
3240         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3241
3242 2005-07-30  Jan Hubicka  <jh@suse.cz>
3243
3244         * expr.c (expand_expr_real_1): Do not load mem targets into register.
3245         * i386.c (ix86_fixup_binary_operands): Likewise.
3246         (ix86_expand_unary_operator): Likewise.
3247         (ix86_expand_fp_absneg_operator): Likewise.
3248         * optabs.c (expand_vec_cond_expr): Validate dest.
3249
3250 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3251
3252         PR c/21720
3253         * real.c (real_from_string): Also set last bit if there is a
3254         nonzero hex digit beyond GCC's internal precision after ".".
3255
3256 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
3257
3258         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3259         define_constants.  Change duplicate values to unassigned numbers.
3260         Change UNSPEC_SUBS to UNSPEC_VSUBS.
3261         (*altivec_vspltsf): New.
3262         (altivec_vperm_v4sf): Delete.
3263         (altivec_vperm_<mode>): Use mode macro V.
3264         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3265         (altivec_predicate_v4sf): Delete.
3266         (altivec_predicate_<mode>): Use mode macro V.
3267         (*altivec_lvesfx): New.
3268         (*altivec_stvesfx): New.
3269         (vec_realign_load_v4sf): Delete.
3270         (vec_realign_load_<mode>): Use mode macro V.
3271         * config/rs6000/rs6000.c (generate_set_vrsave): Use
3272         UNSPECV_SET_VRSAVE.
3273
3274 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
3275
3276         PR bootstrap/23131
3277         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3278         string.
3279         * configure: Regenerated.
3280
3281 2005-07-29  Paul Brook  <paul@codesourcery.com>
3282
3283         * doc/install.texi: Add link to GFortran binaries wiki page.
3284
3285 2005-07-29  David Ung  <davidu@mips.com>
3286
3287         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3288         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3289         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3290         * config/mips/mips.md (cpu): Add 5kf name.
3291         (includes): Includes 5k.md.
3292         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3293         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3294         -march flag.
3295
3296 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3297
3298         PR 22550
3299         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3300         (cleanup_tree_cfg): ... here.
3301         Call cleanup_tree_cfg_1 until there are no more cleanups to
3302         do.
3303
3304 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
3305
3306         * tree-vrp.c (compare_range_with_value): Return true or false
3307         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3308         EQ_EXPR respectively.
3309
3310 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
3311
3312         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3313         Fix comment typos.
3314
3315 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3316
3317         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3318         (tree_ssa_dominator_optimize): Increment it.
3319         (dump_dominator_optimization_stats): Print it.
3320
3321 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
3322             Steven Bosscher  <stevenb@suse.de>
3323
3324         PR rtl-optimization/23117
3325         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3326         when head == tail.  Tidy comment.
3327
3328 2005-07-28  Richard Henderson  <rth@redhat.com>
3329
3330         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3331         * cselib.c (rtx_equal_for_cselib_p): Likewise.
3332         * jump.c (rtx_renumbered_equal_p): Likewise.
3333         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3334         CONST_INT and CONST_DOUBLE.
3335         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3336         * reload.c (operands_match_p): Special case CONST_INT and
3337         CONST_DOUBLE; check mode earlier.
3338
3339 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3340
3341         PR c/22240
3342         * c-typeck.c (convert_for_assignment): Do not check
3343         DECL_IN_SYSTEM_HEADER on NULL fundecl.
3344
3345 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3346
3347         PR c/22192
3348         * c-typeck.c (composite_type): Prefer constant size arrays to
3349         VLAs.
3350
3351 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3352
3353         PR c/21720
3354         * real.c (real_from_string): Set last bit if there is a nonzero
3355         hex digit beyond GCC's internal precision.
3356
3357 2005-07-28  Richard Henderson  <rth@redhat.com>
3358
3359         PR rtl-opt/22619
3360         * cfgcleanup.c (try_forward_edges): Watch out for end of
3361         insn chain.
3362
3363 2005-07-28  James E Wilson  <wilson@specifixinc.com>
3364
3365         PR c/23106
3366         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3367
3368 2005-07-28  Jan Hubicka  <jh@suse.cz>
3369
3370         * Makefile.in (rtl-profile.o): Kill all traces of it.
3371         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3372         * coverage.h (rtl_coverage_counter_ref): Kill.
3373         * opts.c (flag_speculative_prefetching_set): Kill.
3374         (flag_loop_optimize_set): New.
3375         (common_handle_option): Disable loop optimizer when profiling;
3376         do not handle speculative prefetching.
3377         * passes.c (init_optimization_passes): Replace pass_profiling combo
3378         by branch_prob pass.
3379         * profile.c (compute_value_histograms): Update for simplified value
3380         profiles.
3381         (rtl_register_profile_hooks): Kill.
3382         (pass_profiling): Kill.
3383         (rest_of_handle_branch_prob): Do not profile.
3384         * toplev.c (process_options): Remove speculative prefetching.
3385         * toplev.h (flag_tree_based_profiling): Kill.
3386         * tree-profile.c (prepare_instrumented_value,
3387         tree_gen_interval_profiler, tree_gen_pow2_profiler,
3388         tree_gen_one_value_profiler, do_tree_profiling): Update for
3389         simplified datastructures.
3390         * value-prof.c: Add comment that speculative prefetching was dropped;
3391         update rest of file for simplified datastructures.
3392         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3393         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3394         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3395         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3396         rtl_mod_subtract, gen_speculative_prefetch,
3397         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3398         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3399         (gate_handle_value_profile_transformations,
3400         rest_of_handle_value_profile_transformations,
3401         pass_value_profile_transformations): Kill.
3402         * value-prof.h (histogram_value_t): Remove IL based unions.
3403         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3404         rtl_profile_hooks): Remove hooks.
3405
3406         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3407
3408         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3409         (cgraph_clone_node): Likewise.
3410         * cgraph.h (cgraph_clone_edge): Update prototype.
3411         (cgraph_clone_node): Likewise.
3412         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3413         cgraph_clone_node.
3414         (lookup_recursive_calls): Consider profile.
3415         (cgraph_decide_recursive_inlining): Fix updating; use new
3416         probability argument; use profile.
3417         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3418         * tree-inline.c (copy_bb): Update clal of clone_edge.
3419         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3420
3421         * invoke.texi (min-inline-recursive-probability): Document.
3422
3423 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
3424
3425         * doc/install.texi (Configuration): Update Valgrind homepage.
3426
3427 2005-07-28  Richard Henderson  <rth@redhat.com>
3428
3429         PR middle-end/21362
3430         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3431         labels we want to delete.
3432         (cfg_layout_merge_blocks): Likewise.
3433
3434 2005-07-28  Richard Henderson  <rth@redhat.com>
3435
3436         PR target/17692
3437         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3438         when expanding to nothing.
3439
3440 2005-07-28  Josh Conner  <jconner@apple.com>
3441
3442         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3443         (cgraph_decide_inlining_of_small_functions): Likewise.
3444
3445 2005-07-28  Josh Conner  <jconner@apple.com>
3446
3447         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
3448         direction of badness if negative.
3449         (cgraph_default_inline_p): Add reason to parameters, and assign it
3450         a value.
3451         (cgraph_decide_inlining_of_small_functions): New parameter in call
3452         to cgraph_default_inline_p.
3453         (cgraph_decide_inlining_incrementally): Likewise.
3454         * cgraphunit.c (decide_is_function_needed): Likewise.
3455         * cgraph.h (cgraph_default_inline_p): Likewise.
3456
3457 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3458
3459         * builtins.c: Fix comment typo(s).
3460         * genautomata.c: Likewise.
3461         * gimplify.c: Likewise.
3462         * tree-dfa.c: Likewise.
3463         * tree-flow-inline.h: Likewise.
3464         * tree-into-ssa.c: Likewise.
3465         * tree-ssa-alias.c: Likewise.
3466         * tree-ssa-ccp.c: Likewise.
3467         * tree-ssa-copy.c: Likewise.
3468         * tree-ssa-dce.c: Likewise.
3469         * tree-ssa-dom.c: Likewise.
3470         * tree-ssa-operands.c: Likewise.
3471         * tree-tailcall.c: Likewise.
3472         * tree-vectorizer.c: Likewise.
3473         * tree-vrp.c: Likewise.
3474         * tree.c: Likewise.
3475
3476 2005-07-28  Jeff Law  <law@redhat.com>
3477
3478         * tree-vrp.c (test_for_singularity): Extracted from  ...
3479         (simplify_cond_using_ranges): Attempt to simplify a relational
3480         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
3481
3482 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
3483
3484         PR tree-optimization/22506
3485         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
3486         phis whose argument is constant.
3487
3488 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
3489
3490         PR rtl-optimization/18992
3491         Back out this patch:
3492           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3493           PR optimization/12142
3494           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
3495           uses of the register in the SET_SRC.  Remove unnecessary argument.
3496
3497         Replace it with this:
3498         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
3499         if flag_non_call_exceptions is set and the insn may trap, pass
3500         pc_rtx as dest for recursion.
3501         In SET_SRC part of SET case, if dest is already set, pass it down
3502         unchanged.
3503
3504 2005-07-28  Jan Hubicka  <jh@suse.cz>
3505
3506         * cfg.c (update_bb_profile_for_threading): Use RDIV.
3507         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
3508         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
3509         roundoff errors.
3510         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
3511         profile when available.
3512
3513 2005-07-28  Jan Beulich <jbeulich@novell.com>
3514
3515         * config/ia64/ia64.c (ia64_load_pair_ok): New.
3516         (ia64_print_operand): Describe and handle 'X'.
3517         (ia64_register_move_cost): Also handle FP_REGS.
3518         (ia64_preferred_reload_class): Likewise.
3519         (ia64_secondary_reload_class): Likewise.
3520         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
3521         it. Also check for ITANIUM_CLASS_FLDP.
3522         * config/ia64/ia64.h (FP_REGNO_P): New.
3523         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
3524         (reg_class): Add FP_REGS.
3525         (REG_CLASS_NAMES): Adjust for it.
3526         (REG_CLASS_CONTENTS): Likewise.
3527         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
3528         (REG_CLASS_FROM_LETTER): Handle 'x'.
3529         (CLASS_MAX_NREGS): Handle FP_REGS.
3530         (MEMORY_MOVE_COST): Likewise.
3531         * config/ia64/ia64.md (itanium_class): Add fldp.
3532         (type): Handle fldp.
3533         (movti_internal): More allowable operand combinations. Use ldfp8 when
3534         splitting unnecessary. Remove predicable attribute. Adjust
3535         itanium_class attribute.
3536         (smuldi3_highpart): Remove outdated comment.
3537         (mulditi3, umulditi3, rotlti3): New expanders.
3538         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
3539         (absti2): Disabled new insn for future reference.
3540         Respective new splitters.
3541         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
3542         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
3543         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
3544
3545 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
3546
3547         PR rtl-optimization/23047
3548         * simplify-rtx.c (simplify_const_relational_operation): Respect
3549         flag_wrapv for comparisons with ABS.
3550
3551 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
3552
3553         PR tree-optimization/22493
3554         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3555         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3556
3557 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
3558
3559         * config/frv/frv.opt (moptimize-membar): New.
3560
3561         * doc/invoke.texi: Document -moptimize-membar and its inverse.
3562
3563         * config/frv/frv.h: Remove machine_function definition.
3564
3565         * config/frv/frv.c (struct frv_io): New.
3566         (struct machine_function): Moved from frv.h.  Add has_membar_p.
3567         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3568         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3569         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3570         (frv_optimize_membar_global, frv_optimize_membar): New functions.
3571         (frv_reorg): Call frv_optimize_membar when appropriate.
3572         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3573         (frv_expand_builtin): Adjust calls accordingly.
3574         (frv_io_address_cookie): New function.
3575         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3576         load or store rather than a special insn.  Add ccnstant address and
3577         io-type operands to the membar.
3578         (frv_ifcvt_modify_tests): Unsign regno.
3579         (frv_ifcvt_modify_tests): Same.
3580
3581         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
3582         UNSPEC_OPTIONAL_MEMBAR constant.
3583         (builtin_read_<mode>): Delete.
3584         (builtin_write_<mode>): Delete.
3585         ("optional_membar_<mode>"): Add operand.
3586
3587         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3588         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3589         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3590         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3591         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3592         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3593         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3594         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3595         * testsuite/gcc.target/frv/all-read-write-1.c: New.
3596
3597 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3598
3599         * df.c (df_uses_record): Handle SCRATCH.
3600
3601 2005-07-28  Steven Bosscher  <stevenb@suse.de>
3602
3603         PR debug/20161
3604         * passes.c (rest_of_decl_compilation): If decl is a type and
3605         we have encountered errors, don't emit debug information.
3606
3607 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
3608
3609         * params.def: Fixed comment.
3610
3611 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
3612
3613         PR target/19885
3614         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3615         (TARGET_ASM_UNALIGNED_HI_OP): Add.
3616         (TARGET_ASM_UNALIGNED_SI_OP): Add.
3617
3618 2005-07-27  Steven Bosscher  <stevenb@suse.de>
3619
3620         PR c++/22003
3621         * varasm.c (assemble_start_function): Don't do anything that may
3622         require a CFG if the current function is a thunk.
3623
3624 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
3625
3626         * doc/install.texi (Prerequisites): Mention that perl is needed
3627         to do export control in libstdc++ targetting Darwin.
3628
3629 2005-07-27  Steven Bosscher  <stevenb@suse.de>
3630
3631         PR rtl-optimization/17808
3632         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3633         (sched_insns_conditions_mutex_p): Split out from...
3634         (add_dependence): ...here.  But don't call it from here.
3635         (add_dependence_list): Check sched_insns_conditions_mutex_p
3636         before calling add_dependence.
3637         (add_dependence_list_and_free): Likewise.
3638         (fixup_sched_groups): Likewise.
3639         (sched_analyze_1): Likewise.
3640         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3641         (sched_analyze): Likewise.
3642         (sched_analyze_insn): Likewise.
3643         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3644         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
3645         dependencies on all COND_EXEC insns to jumps ending basic blocks
3646         when doing intrablock scheduling.
3647         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3648
3649 2005-07-27  Jeff Law  <law@redhat.com>
3650
3651         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3652         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
3653         equivalency sets, correctly handle the case were vr0 has an
3654         equivalency set, but vr1 does not.
3655
3656 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
3657
3658         PR tree-optimization/23073
3659         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3660         vect_print_dump_info before fprintf.
3661
3662 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3663
3664         PR tree-optimize/22348
3665         * tree-ssa-loop-niter.c (number_of_iterations_cond):
3666         Fold the partial computation.
3667
3668 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3669
3670         PR tree-optimization/22325
3671         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3672         Declare.
3673         * tree-scalar-evolution.c (scev_const_prop): Add generic final
3674         value replacement.
3675         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3676         (force_var_cost): ... this function.
3677         (compute_phi_arg_on_exit): Export.
3678
3679 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3680
3681         PR tree-optimization/20773
3682         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3683         edge.
3684
3685 2005-07-27  Richard Guenther  <rguenther@suse.de>
3686
3687         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3688         Avoid pushing again if current struct contains only
3689         fields we decomposed.
3690
3691 2005-07-27  Jan Hubicka  <jh@suse.cz>
3692
3693         PR tree-optimization/22574
3694         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
3695         not available.
3696
3697         * tree-tailcall.c (decrease_profile): New function.
3698         (eliminate_tail_call): Use it.
3699
3700         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
3701         visibility flags correctly in whole program mode.
3702
3703 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
3704
3705         PR rtl-optimization/22472
3706         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
3707
3708 2005-07-26  Steven Bosscher  <stevenb@suse.de>
3709
3710         PR tree-optimization/22504
3711         * tree-complex.c (expand_complex_addition): Use 'code' instead
3712         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
3713
3714 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3715
3716         * config.gcc (cpu_type): Add frv case.
3717         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
3718         (supported_defaults): Add fr550 case.
3719
3720 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
3721
3722         PR 22591
3723         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
3724         whether a pointer of type T * may point to objects of type T *.
3725
3726 2005-07-26  DJ Delorie  <dj@redhat.com>
3727
3728         * configure: Regenerate.
3729
3730 2005-07-26  Dale Johannesen  <dalej@apple.com>
3731
3732         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
3733
3734 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
3735
3736         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
3737         Clarify use of "build" in name.
3738
3739 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3740
3741         * doc/extend.texi (Raw read/write Functions): New section.
3742         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
3743         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
3744         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
3745         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
3746         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
3747         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
3748         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
3749         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
3750         * config/frv/frv.c: Add bdesc_loads global.
3751         Add bdesc_stores global.
3752         (frv_init_builtins): Add support for __builtin_{read/write}*.
3753         (frv_volatile_memref): New.
3754         (frv_expand_load_builtin): New.
3755         (frv_expand_store_builtin): New.
3756         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
3757         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
3758         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
3759         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
3760         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
3761         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
3762         (builtin_read_<mode>): New.
3763         (builtin_write_<mode>): New.
3764         (builtin_write64): New.
3765         (optional_membar_<mode>): New.
3766
3767 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
3768
3769         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
3770         (rather than units) against HOST_BITS_PER_WIDE_INT.
3771
3772 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
3773
3774         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
3775         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
3776         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
3777         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
3778         FSF address.
3779
3780         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
3781         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
3782         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
3783         comment typos.
3784         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
3785
3786 2005-07-26  Richard Guenther  <rguenther@suse.de>
3787
3788         PR tree-optimization/22486
3789         * fold-const.c (fold_unary): Fold away useless component
3790         references of the form (T *)&T.x, if the address
3791         doesn't change.
3792
3793 2005-07-25  James E Wilson  <wilson@specifixinc.com>
3794
3795         * dwarf2out.c (add_call_src_coords_attributes): New.
3796         (gen_inlined_subroutine_die): Call it.
3797         (maybe_emit_file, init_file_table): Add comments.
3798         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
3799         maybe_emit_file.
3800         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
3801         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
3802         * tree.h (BLOCK_SOURCE_LOCATION): New.
3803         (struct tree_block): New field locus.
3804
3805 2005-07-26  Andreas Schwab  <schwab@suse.de>
3806
3807         PR rtl-optimization/23043
3808         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
3809         when allocating a struct unoccr.
3810
3811 2005-07-25  Richard Henderson  <rth@redhat.com>
3812
3813         PR 22626
3814         * tree-complex.c (gate_no_optimization): True if errors.
3815         * Makefile.in (tree-complex.o): Update dependencies.
3816
3817 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
3818
3819         * config/frv/predicates.md (integer_register_operand): Use
3820         GPR_AP_OR_PSEUDO_P.
3821
3822 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3823
3824         PR tree-opt/22484
3825         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
3826         after fold.
3827         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
3828
3829 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3830
3831         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
3832         types when flag_unsafe_math_optimizations is true.
3833
3834 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
3835
3836         * gcc.c (option_map): Add --sysroot.
3837         (process_command): Handle --sysroot.
3838         (display_help): Document it.
3839         * doc/cppopts.tex (-isysroot): Document.
3840         * doc/invoke.texi (--sysroot): Document.
3841         * doc/install.texi (--with-build-sysroot): Document.
3842
3843         * Makefile.in (inhibit_libc): New variable.
3844         (INHIBIT_LIBC_CFLAGS): Likewise.
3845         (LIBGCC2_CFLAGS): Include
3846         $(INHIBIT_LIBC_CFLAGS).
3847         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
3848         ($(T)crtbegin.o): Do not use @inhibit_libc@.
3849         ($(T)crtend.o): Likewise.
3850         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
3851         ($(T)crtendS.o): Likewise.
3852         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
3853         ($(T)crtendT.o): Likewise.
3854         (stmp-fixinc): Do not complain about missing headers if
3855         inhibit_libc.
3856         * configure.ac (inhibit_libc): Set it to true/false.
3857         (--with-build-sysroot): New option.  Use it to set
3858         SYSTEM_HEADER_DIR.
3859         * configure: Regenerated.
3860
3861 2005-07-25  Manfred Hollstein  <mh@suse.com>
3862
3863         * calls.c (store_one_arg): Fix unsigned comparison warning.
3864
3865 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
3866
3867         PR other/22337
3868         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
3869         (ggc_print_statistics): Initialize variable before use.
3870
3871 2005-07-25  Richard Guenther  <rguenther@suse.de>
3872
3873         * tree-dfa.c (mark_new_vars_to_rename): Protect against
3874         calling with a PHI_NODE argument.
3875
3876         * tree-flow-inline.h (overlap_subvar): Protect against
3877         possible overflow.
3878
3879 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
3880
3881         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
3882         * configure: Regenerate.
3883
3884 2005-07-25  Ira Rosen  <irar@il.ibm.com>
3885
3886         * expr.c (highest_pow2_factor): Make extern.
3887         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
3888         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3889         record_array_differ_p, array_ptr_differ_p): Likewise.
3890         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
3891         additional cases. Call the above functions.
3892         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
3893         base_object_differ_p when there are two base objects. Otherwise, compare
3894         base address and offset. Call may_alias_p.
3895         (dump_data_reference): Use a correct field name.
3896         (analyze_array): Make static. Initialize new data-ref fields.
3897         (analyze_indirect_ref): New function.
3898         (init_data_ref): Initialize new data-ref fields.
3899         (strip_conversion): Moved from tree-vect-analyze.c.
3900         (analyze_offset_expr, get_ptr_offset, address_analysis,
3901         object_analysis): Likewise.
3902         (analyze_offset): New function.
3903         (create_data_ref): Likewise.
3904         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
3905         dimensions for ARRAY_REFs only.
3906         (build_classic_dist_vector): Make static.
3907         (access_functions_are_affine_or_constant_p): Call macro to get the
3908         address of access functions.
3909         (compute_all_dependences): Add new parameter
3910         compute_self_and_read_read_dependences. Compute self and read-read
3911         dependences if it is true.
3912         (find_data_references_in_loop): Call create_data_ref. Initialize new
3913         data-ref fields.
3914         (compute_data_dependences_for_loop): Add new parameter
3915         compute_self_and_read_read_dependences. Remove parameter nb_loops,
3916         compute nb_loops. Call compute_all_dependences,
3917         build_classic_dist_vector and build_classic_dir_vector with correct
3918         parameters.
3919         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
3920         with correct parameters. Compare dimensions for ARRAY_REFs only.
3921         (free_data_refs): Call macro to free access functions.
3922         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
3923         fields from stmt_vinfo.
3924         (struct base_object_info): New structure.
3925         (struct data_reference): Move fields to base_object_info. Add fields
3926         first_location and object_info for above structures. Move fields from
3927         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
3928         aligned_to.  Add macros to access the new fields.
3929         Update functions declarations.
3930         * tree-flow.h (is_aliased_with): Declare.
3931         * tree-loop-linear.c (linear_transform_loops): Call
3932         compute_data_dependences_for_loop with correct parameters.
3933         * tree-ssa-alias.c (is_aliased_with): New function.
3934         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
3935         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
3936         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
3937         vect_base_addr_differ_p, compute_subscript_distance and
3938         build_classic_dist_vector. Add printings. Check absolute value of
3939         distance.
3940         (vect_analyze_data_ref_dependences): Go through ddrs instead of
3941         data-refs.
3942         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
3943         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
3944         to bytes. Add printing.
3945         (vect_compute_data_refs_alignment): Go through loads and stores in one
3946         loop.
3947         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
3948         vect_analyze_data_ref_access): Likewise.
3949         (vect_analyze_pointer_ref_access): Remove.
3950         (vect_address_analysis, vect_object_analysis): Likewise.
3951         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
3952         and analyze data-refs in the loop.
3953         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
3954         fields of data-ref instead of stmt. Add init to the offset from the
3955         base.
3956         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
3957         (vect_update_init_of_dr): Likewise.
3958         (vect_update_inits_of_drs): Go through loads and stores in one loop.
3959         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
3960         removed fields.
3961         (new_loop_vec_info): Initialize new fields.
3962         (destroy_loop_vec_info): Free new fields.
3963         (vect_strip_conversion): Remove.
3964         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
3965         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
3966         datarefs. Add new field ddrs.
3967         Add macros for the new fields access.
3968         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
3969         base_aligned_p, misalignment, memtag, ptr_info and subvars.
3970         Remove their macros.
3971         * tree.h (highest_pow2_factor): Declare.
3972
3973 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
3974
3975         * calls.c (store_one_arg): Check for sibling call MEM arguments
3976         from already clobbered incoming argument area.
3977
3978 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3979
3980         * c-common.c (check_missing_format_attribute): New.
3981         * c-common.h (check_missing_format_attribute): Likewise.
3982         * c-typeck.c (convert_for_assignment): Use it.
3983
3984 2005-07-24  Andreas Schwab  <schwab@suse.de>
3985
3986         * config/m68k/m68k.md ("extendqidi2"): When source is an address
3987         register use a word move.  Correct operand of ext.w in 68000 code.
3988
3989 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
3990
3991         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
3992         variables as declarations, rather than definitions.
3993
3994 2005-07-24  Ira Rosen  <irar@il.ibm.com>
3995
3996         PR tree-optimization/22526
3997         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
3998         of the zero node.
3999
4000 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4001
4002         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
4003         that C99 reserve for future use. Use it to define clog10,
4004         clog10f and clog10l.
4005
4006 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4007
4008         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
4009         * configure.ac: Check for -Wmissing-format-attribute.
4010
4011         * configure: Regenerate.
4012
4013 2005-07-23  Richard Henderson  <rth@redhat.com>
4014
4015         PR tree-optimization/22623
4016         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
4017
4018 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
4019
4020         PR target/22577
4021         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
4022
4023 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4024
4025         * Makefile.in (C_TREE_H): Update dependencies.
4026         * c-tree.h: Include toplev.h.
4027         * diagnostic.h (diagnostic_set_info): Add format attribute.
4028         * rtl-error.c (diagnostic_for_asm): Likewise.
4029
4030 2005-07-23  Chao-ying Fu  <fu@mips.com>
4031
4032         * config/mips/mips-dsp.md: New file.
4033         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
4034         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
4035         functions.
4036         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
4037         MIPS_BUILTIN_BPOSGE32.
4038         (mips_expand_builtin_direct): Add one parameter to indicate that
4039         builtin functions need to return a value.
4040         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
4041         functions.
4042         (mips_regno_to_class): Add classes for 12 new DSP registers.
4043         (mips_subword): Change to check four HI registers.
4044         (mips_output_move): Output move to and from 6 new DSP accumulators.
4045         (override_options): Make sure -mdsp and -mips16 are not used together.
4046         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
4047         for machine modes.
4048         (mips_conditional_register_usage): Disable 6 new DSP accumulators
4049         when !TARGET_DSP.
4050         (print_operand): Add 'q' for printing DSP accumulators.
4051         (mips_cannot_change_mode_class): Check ACC_REGS.
4052         (mips_secondary_reload_class): Check ACC_REGS.
4053         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
4054         (mips_register_move_cost): Check ACC_REGS.
4055         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
4056         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
4057         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
4058         (dsp_bdesc): New array.
4059         (bdesc_arrays): Add DSP builtin function table.
4060         (mips_prepare_builtin_arg): Check predicate again after
4061         copy_to_mode_reg.
4062         (mips_expand_builtin): Add one more parameter to
4063         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
4064         MIPS_BUILTIN_BPOSGE32.
4065         (mips_init_builtins): Initialize new function types.
4066         (mips_expand_builtin_direct): Check if builtin functions need to
4067         return a value and pass operands properly.
4068         (mips_expand_builtin_bposge): New function.
4069         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
4070         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
4071         (FIRST_PSEUDO_REGISTER): Increase to 188.
4072         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4073         Update for 12 new DSP registers.
4074         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
4075         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
4076         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
4077         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
4078         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
4079         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
4080         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
4081         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
4082         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
4083         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
4084         (REGISTER_NAMES): Add names for 12 new DSP registers.
4085         * config/mips/mips.md: Include mips-dsp.md.
4086         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
4087         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
4088         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
4089         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
4090         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
4091         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
4092         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
4093         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
4094         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
4095         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
4096         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
4097         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
4098         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
4099         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
4100         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
4101         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
4102         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
4103         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
4104         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
4105         (UNSPEC_RDDSP): New constants.
4106         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
4107         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
4108         A<-d alternative.
4109         * config/mips/mips.opt (-mdsp): New option.
4110         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
4111         (reg_imm10_operand): New predicates.
4112         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
4113         * doc/invoke.texi (-mdsp): Document new option.
4114
4115 2005-07-22  DJ Delorie  <dj@redhat.com>
4116
4117         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
4118         to warning calls.
4119         * tree-inline.c (inlinable_function_p): Likewise.
4120
4121 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
4122
4123         PR debug/21828
4124         * toplev.c (check_global_declarations): Do not mark undefined
4125         variables as DECL_IGNORED_P.
4126         * varasm.c (first_global_object_name): GTY it.
4127         (weak_global_object_name): Likewise.
4128         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
4129         a string to go into {weak,first}_global_object_name.
4130
4131 2005-07-22  DJ Delorie  <dj@redhat.com>
4132
4133         * c-format.c (check_function_format): Change warning control
4134         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
4135
4136 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
4137
4138         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
4139         &PTR->FLD a dereference of PTR.
4140         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
4141         a potential dereference of PTR.
4142
4143 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
4144
4145         PR rtl-optimization/20370
4146         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
4147         call allocate_reg_info if necessary.
4148
4149         PR rtl-optimization/21848
4150         * calls.c (emit_library_call_value_1): For const functions, add
4151         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
4152
4153         PR rtl-optimization/22445
4154         * cselib.c (target.h): Include.
4155         (rtx_equal_for_cselib_p): Allow commutative matches.
4156         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
4157         Remove MODE parameter.  Changed all callers.
4158
4159         PR rtl-optimization/22258
4160         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
4161         New functions.
4162         (try_combine): Use likely_spilled_retval_p.
4163
4164 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
4165
4166         * config.gcc: Add crx-elf support.
4167
4168         * doc/contrib.texi: Mention crx.
4169         * doc/extend.texi: Document crx extensions.
4170         * doc/install.texi: Document crx install.
4171         * doc/invoke.texi: Document crx options.
4172         * doc/md.texi: Document crx constraints.
4173
4174         * config/crx/crx-protos.h: New file.
4175         * config/crx/crx.c: New file.
4176         * config/crx/crx.h: New file.
4177         * config/crx/crx.md: New file.
4178         * config/crx/crx.opt: New file.
4179         * config/crx/t-crx: New file.
4180
4181 2005-07-22  Manfred Hollstein  <mh@suse.com>
4182
4183         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
4184         warnings.
4185         (int_add_graph_edge): Likewise.
4186         (collapse_nodes): Likewise.
4187         (process_unification_queue): Likewise.
4188
4189 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4190             Laurent GUERBY  <laurent@guerby.net>
4191
4192         PR tree-optimization/22336
4193         * function.c (record_block_change): Check for
4194         cfun->ib_boundaries_block.
4195
4196 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
4197
4198         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4199         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4200
4201 2005-07-21  DJ Delorie  <dj@redhat.com>
4202
4203         * toplev.c (warn_deprecated_use): Add warning control to warning
4204         call.
4205         * c-typeck.c (parser_build_binary_op): Likewise.
4206         (c_finish_if_stmt): Likewise.
4207         * c-common.c (check_function_sentinel): Likewise.
4208         (check_nonnull_arg): Likewise.
4209
4210 2005-07-21  Richard Henderson  <rth@redhat.com>
4211
4212         PR tree-opt/22504
4213         * tree-complex.c (complex_ssa_name_components): New.
4214         (cvc_lookup): Allow entry not found.
4215         (create_components): Remove.
4216         (create_one_component_var, get_component_var): New.
4217         (get_component_ssa_name, set_component_ssa_name): New.
4218         (extract_component): Use get_component_ssa_name.
4219         (update_complex_components): Use set_component_ssa_name.
4220         (update_complex_components_on_edge): Likewise.
4221         (update_phi_components): Create new PHI nodes directly, instead
4222         of adding insns to edges.
4223         (tree_lower_complex): Allocate and free complex_variable_components
4224         and complex_ssa_name_components here.
4225
4226 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
4227
4228         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4229         revert to returning false.
4230
4231 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4232
4233         PR target/21149
4234         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
4235
4236 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4237
4238         PR target/22576
4239         * config/i386/i386.md (cmpxf): Change operand constraints
4240         to "nonmemory_operand".
4241
4242 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4243
4244         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4245
4246 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4247
4248         PR middle-end/21180
4249         * fold-const.c (fold_build1): Add checksum for the operands.
4250         (fold_build2): Likewise.
4251         (fold_build3): Likewise.
4252
4253 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4254
4255         PR middle-end/19055
4256         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4257
4258 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4259
4260         * common.opt (-fforward-propagate): Committed by mistake,
4261         removed.
4262
4263 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4264
4265         * reg-stack.c: Fix comment typo(s).
4266         * tree-ssa-operands.c: Likewise.
4267         * tree-vectorizer: Likewise.
4268
4269 2005-07-21  Nick Clifton  <nickc@redhat.com>
4270
4271         * config/sh/symbian.c: Replace C++ style line comments with C
4272         style line comments.
4273         (symbian_add_attribute): Do not use a ? operator on the LHS of
4274         an assignment.
4275         (sh_symbian_handle_dll_attribute): Change the type of the
4276         method vector to "VEC(tree,gc)*" and use vector accessor
4277         macros to walk over the elements.
4278         (symbian_export_vtable_and_rtti_p): Likewise.
4279         (symbian_class_needs_attribute_p): Likewise.
4280
4281 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4282
4283         PR target/22085
4284         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
4285         initialize targetm.resolve_overloaded_builtin here.
4286         (altivec_expand_overloaded_builtin): Make it non-static.
4287         * config/rs6000/rs6000-protos.h
4288         (altivec_expand_overloaded_builtin): New prototype.
4289         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
4290         targetm.resolve_overloaded_builtin here.
4291         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
4292
4293 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4294             Zdenek Dvorak  <dvorakz@suse.cz>
4295
4296         PR tree-optimization/19210
4297         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
4298         New.
4299         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
4300         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
4301         rely on unproven assumptions.
4302         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
4303         * tree-flow.h (number_of_iterations_exit): Add final parameter.
4304         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
4305         to number_of_iterations_exit.
4306         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
4307         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
4308         * tree-ssa-loop-niter.c (find_loop_niter,
4309         estimate_numbers_of_iterations_loop): Likewise.
4310         (number_of_iterations_exit): Honor the new options.
4311         * doc/invoke.texi (Wunsafe-loop-optimizations,
4312         funsafe-loop-optimizations): Document them.
4313
4314 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
4315
4316         PR rtl-optimization/22167
4317         * gcse.c (hoist_code): Fix hoist_exprs[] check.
4318
4319 2005-07-20  Adam Nemet  <anemet@lnxw.com>
4320
4321         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
4322         __do_global_dtors_aux longcall.
4323
4324 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
4325
4326         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
4327         (old_special_pred_table): Don't reference
4328         SPECIAL_MODE_PREDICATES.
4329         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
4330         * config/arc/arc.h: Don't mention PREDICATE_CODES.
4331         * config/sh/predicates.h: Don't mention
4332         SPECIAL_MODE_PREDICATES.
4333         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4334         Remove.
4335
4336 2005-07-20  DJ Delorie  <dj@redhat.com>
4337
4338         * config.gcc: Add m32c-elf support.
4339
4340         * doc/contrib.texi: Mention m32c.
4341         * doc/extend.texi: Document m32c extensions.
4342         * doc/install.texi: Mention m32c.
4343         * doc/invoke.texi: Document m32c options.
4344         * doc/md.texi: Document m32c constraints.
4345
4346         * config/m32c/addsub.md: New file.
4347         * config/m32c/bitops.md: New file.
4348         * config/m32c/cond.md: New file.
4349         * config/m32c/jump.md: New file.
4350         * config/m32c/m32c-lib1.S: New file.
4351         * config/m32c/m32c-lib2.c: New file.
4352         * config/m32c/m32c-modes.def: New file.
4353         * config/m32c/m32c-pragma.c: New file.
4354         * config/m32c/m32c-protos.h: New file.
4355         * config/m32c/m32c.abi: New file.
4356         * config/m32c/m32c.c: New file.
4357         * config/m32c/m32c.h: New file.
4358         * config/m32c/m32c.md: New file.
4359         * config/m32c/m32c.opt: New file.
4360         * config/m32c/minmax.md: New file.
4361         * config/m32c/mov.md: New file.
4362         * config/m32c/muldiv.md: New file.
4363         * config/m32c/predicates.md: New file.
4364         * config/m32c/prologue.md: New file.
4365         * config/m32c/shift.md: New file.
4366         * config/m32c/t-m32c: New file.
4367
4368 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4369
4370         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4371         (stack_protect_set, stack_protect_test): New expanders.
4372         (stack_protect_set_si, stack_protect_set_si_media,
4373         stack_protect_set_di_media, stack_protect_test_si,
4374         stack_protect_test_si_media, stack_protect_test_di_media):
4375         New insns.
4376
4377 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
4378
4379         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4380
4381 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
4382
4383         * tree.h (tree_expr_nonzero_p): Export.
4384         * fold-const.c (tree_expr_nonzero_p): Likewise.
4385         Return true for CALL_EXPRs that are alloca calls.
4386         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4387         against zero.
4388         * tree-flow.h (expr_computes_nonzero): Remove.
4389         * tree-vrp.c (expr_computes_nonzero): Remove.
4390         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4391         (extract_range_from_unary_expr): Likewise.
4392         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4393         tree_expr_nonzero_p.
4394
4395 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4396
4397         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4398         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
4399         extra arg "picreg" and use it instead of pic_offset_table_rtx.
4400         All callers changed.
4401         (frame_related_constant_load): New arg "related" which controls
4402         setting of RTX_FRAME_RELATED_P.  All callers changed.
4403         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4404         (bfin_expand_prologue): Add stack limit checking.
4405         * config/bfin/bfin.md (trapifcc): New pattern.
4406
4407         * config/bfin/bfin.c: Include "langhooks.h".
4408         (def_builtin): Go through lang_hooks to call builtin_function.
4409
4410         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4411         * config/bfin/predicates.md (symbol_ref_operand): New.
4412         (call_insn_operand): Delete.  All callers changed to use
4413         register_no_elim_operand.
4414         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4415         call_cookie field.
4416         (function_arg): Use it to generate the call's operand 2.
4417         (bfin_longcall_p): New function.
4418         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
4419         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
4420         determine if the address needs to be in a REG.
4421         (bfin_handle_longcall_attribute): New function.
4422         (bfin_attribute_table): Add "longcall" and "shortcall".
4423         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4424         (CUMULATIVE_ARGS): New member call_cookie.
4425         (PREDICATE_CODES): Add symbol_ref_operand.
4426         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
4427         extra USE to the pattern.
4428         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
4429         New patterns, split off call_insn, sibcall_insn, call_value_insn and
4430         sibcall_value_insn; now the new patterns handle direct calls and the
4431         old ones indirect calls.
4432         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
4433
4434 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
4435
4436         * doc/trouble.texi: Update section on handling of empty loops.
4437
4438 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
4439
4440         * config.gcc: Remove support for sparc-*-openbsd*,
4441         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
4442         ns32k-*-netbsd*.
4443         * config.host: Remove support for i860-*-sysv4* as a host.
4444         * config/i860/*, config/ip2k/*, config/ns32k/*,
4445         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
4446         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
4447         mention obsolete ports.
4448
4449 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4450
4451         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
4452         soft frame pointer.
4453         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
4454         of frame_pointer_rtx.
4455         (sh_expand_epilogue): Likewise.
4456         (sh_set_return_address): Likewise.
4457         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
4458         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
4459         offsets from FRAME_POINTER_REGNUM.
4460         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
4461         (sh_register_names): Add initializer for sfp.
4462         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
4463         (VALID_REGISTER_P): Likewise.
4464         (FIRST_PSEUDO_REGISTER): Update.
4465         (DWARF_FRAME_REGISTERS): Define.
4466         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
4467         (HARD_FRAME_POINTER_REGNUM): Define.
4468         (FRAME_POINTER_REGNUM): Redefine.
4469         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
4470         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
4471         from FRAME_POINTER_REGNUM.
4472         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
4473         FRAME_POINTER_REGNUM.
4474         (REG_CLASS_CONTENTS): Add sfp.
4475         (REG_ALLOC_ORDER): Likewise.
4476         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
4477         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
4478         of frame_pointer_rtx.
4479         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4480
4481 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
4482
4483         * fold-const.c (tree_expr_nonnegative_p): Only return true for
4484         ABS_EXPR when flag_wrapv is false because of INT_MIN.
4485         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
4486         of an ABS_EXPR.
4487         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
4488         ABS_EXPR<x>.
4489
4490 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
4491
4492         Make CONSTRUCTOR use VEC to store initializers.
4493         * c-common.c (complete_array_type): Update to cope with VEC in
4494         CONSTRUCTOR_ELTS.
4495         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
4496         (pp_c_constructor_elts): New function.
4497         * c-pretty-print.h (pp_c_constructor_elts): Declare.
4498         * c-typeck.c (build_function_call, build_c_cast, digest_init,
4499         struct constructor_stack, struct initializer_stack,
4500         constructor_elements, push_init_level, pop_init_level,
4501         add_pending_init, find_init_member, output_init_element): Update to
4502         cope with VEC in CONSTRUCTOR_ELTS.
4503         * coverage.c (build_fn_info_value, build_ctr_info_value,
4504         build_gcov_info): Likewise.
4505         * expr.c (categorize_ctor_elements_1, store_constructor,
4506         expand_expr_real_1): Likewise.
4507         * fold-const.c (fold_ternary): Likewise.
4508         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
4509         gimplify_init_constructor, gimplify_expr): Likewise.
4510         * tree-dump.c (dequeue_and_dump): Likewise.
4511         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
4512         node.
4513         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
4514         CONSTRUCTOR_ELTS.
4515         * tree-sra.c (generate_element_init_1): Likewise.
4516         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
4517         * tree-ssa-operands.c (get_expr_operands): Likewise.
4518         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
4519         * tree-vect-transform.c (vect_get_vec_def_for_operand):
4520         (get_initial_def_for_reduction): Likewise.
4521         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
4522         value handle in annotations.
4523         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
4524         tree_node_structure): Add support for constr_kind.
4525         (build_vector_from_ctor, build_constructor_single,
4526         build_constructor_from_list): New functions.
4527         (build_constructor): Update to take a VEC instead of a TREE_LIST.
4528         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
4529         Update to cope with VEC in CONSTRUCTOR_ELTS.
4530         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
4531         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
4532         CONSTRUCTOR_APPEND_ELT): New macros.
4533         (struct constructor_elt, struct tree_constructor): New data types.
4534         (union tree_node): Add tree_constructor field.
4535         * treestruct.def: Define TS_CONSTRUCTOR.
4536         * varasm.c (const_hash_1, compare_constant, copy_constant,
4537         compute_reloc_for_constant, output_addressed_constants,
4538         initializer_constant_valid_p, output_constant,
4539         array_size_for_constructor, output_constructor): Update to cope with
4540         VEC in CONSTRUCTOR_ELTS.
4541         * vec.h (VEC_empty, VEC_copy): New macros.
4542
4543 2005-07-19  Devang Patel  <dpatel@apple.com>
4544
4545         * dbxout.c (dbxout_type): Check Objective-C++ lang.
4546
4547 2005-07-19  Richard Henderson  <rth@redhat.com>
4548
4549         PR tree-opt/22278
4550         * gimplify.c (gimplify_expr): Use main variant type for the temp
4551         destination for a discarded volatile read.
4552         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
4553         casts between non-void types that change volatility.
4554
4555 2005-07-15  DJ Delorie  <dj@redhat.com>
4556
4557         * toplev.h: Add comment about the first parameter for warning().
4558         * errors.h: Likewise.
4559
4560         * c.opt (Wpragmas): New.
4561         * doc/invoke.texi: Document it.
4562
4563         * function.c (do_warn_unused_parameter): Add warning control to
4564         warning call.
4565         * c-decl.c (warn_if_shadowing): Likewise.
4566         * c-lex.c (cb_def_pragma): Likewise.
4567         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
4568         (pop_alignment): Likewise.
4569         (handle_pragma_pack): Likewise.
4570         (apply_pragma_weak): Likewise.
4571         (handle_pragma_weak): Likewise.
4572         (handle_pragma_redefine_extname): Likewise.
4573         (add_to_renaming_pragma_list): Likewise.
4574         (handle_pragma_extern_prefix): Likewise.
4575         (maybe_apply_renaming_pragma): Likewise.
4576         (handle_pragma_visibility): Likewise.
4577
4578         * config/c4x/c4x-c.c (BAD): Likewise.
4579         (c4x_parse_pragma): Likewise.
4580         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
4581         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
4582         (rs6000_pragma_longcall): Likewise.
4583         * config/v850/v850-c.c (pop_data_area): Likewise.
4584         (ghs_pragma_section): Likewise.
4585         (ghs_pragma_section): Likewise.
4586         (ghs_pragma_interrupt): Likewise.
4587         (ghs_pragma_starttda): Likewise.
4588         (ghs_pragma_startsda): Likewise.
4589         (ghs_pragma_startzda): Likewise.
4590         (ghs_pragma_endtda): Likewise.
4591         (ghs_pragma_endsda): Likewise.
4592         (ghs_pragma_endzda): Likewise.
4593
4594 2005-07-19  Danny Berlin <dberlin@dberlin.org>
4595             Kenneth Zadeck <zadeck@naturalbridge.com>
4596
4597         * Makefile.in: Removed tree-promote-statics.c
4598         * tree-promote-statics.c: Removed.
4599         * common.opt: Removed flag-promote-statics.
4600         * opts.c: Ditto.
4601         * passes.c: Removed tree-promote-statics pass.
4602         * tree-pass.h: Ditto.
4603         * timevar.def: Removed TV_PROMOTE_STATICS.
4604
4605
4606 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
4607
4608         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
4609         and *-*-freebsd9.
4610         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
4611
4612 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4613
4614         PR c/22476
4615         * c-common.c (check_function_arguments): Call
4616         'check_function_format' if either -Wformat or
4617         -Wmissing-format-attribute are specified.
4618         * c-format.c (check_function_format): Check -Wformat before
4619         calling 'check_format_info'.
4620         * c-opts.c (c_common_post_options): Don't warn for
4621         -Wmissing-format-attribute without -Wformat.
4622         * c-typeck.c (convert_for_assignment): Detect additional cases for
4623         -Wmissing-format-attribute.
4624         * doc/invoke.texi (-Wmissing-format-attribute): Document new
4625         behavior.
4626
4627 2005-07-19  Richard Guenther  <rguenther@suse.de>
4628
4629         * config/i386/i386.md (lrint<mode>2): Use temporary
4630         instead of clobbering non-existent memory.
4631
4632 2005-07-19  Nick Clifton  <nickc@redhat.com>
4633
4634         * config/avr/avr.c (legitimate_address_p): Fix debugging print
4635         statement to avoid displaying ASCII control characters.
4636
4637 2005-07-19  Ben Elliston  <bje@au.ibm.com>
4638
4639         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
4640         * cfganal.c (find_edge_index): Ditto.
4641         * combine.c (combine_instructions): Ditto.
4642         * ddg.c (create_scc): Ditto.
4643         (find_successors): Ditto.
4644         (find_predecessors): Ditto.
4645         (find_nodes_on_paths): Ditto.
4646         (longest_simple_path): Ditto.
4647         * flow.c (update_life_info): Ditto.
4648         (count_or_remove_death_notes): Ditto.
4649         (clear_log_links): Ditto.
4650         * modulo-sched.c (generate_reg_moves): Ditto.
4651         (find_max_asap): Ditto.
4652         (find_max_hv_min_mob): Ditto.
4653         (find_max_dv_min_mob): Ditto.
4654         * sbitmap.c (sbitmap_first_set_bit): Ditto.
4655         * sched-rgn.c (extract_edgelst): Ditto.
4656         * tree-into-ssa.c (prepare_names_to_update): Ditto.
4657         (dump_update_ssa): Ditto.
4658         (ssa_names_to_replace) Ditto.
4659         (switch_virtuals_to_full_rewrite): Ditto.
4660         (update_ssa): Ditto.
4661         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
4662
4663 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
4664
4665         Fix PR tree-optimization/22483
4666
4667         * tree-complex.c (create_components): Use
4668         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
4669         * tree-flow-inline.h (fill_referenced_var_vec): New function.
4670         * tree-flow.h (safe_referenced_var_iterator): New structure.
4671         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
4672         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
4673         safe_referenced_var iterator.
4674         (add_type_alias): Ditto.
4675
4676 2005-07-19  Steven Bosscher  <stevenb@suse.de>
4677
4678         * loop-init.c (rest_of_handle_loop2): Remove.
4679         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
4680         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
4681         (pass_rtl_loop_init, pass_rtl_loop_done,
4682         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
4683         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
4684         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
4685         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
4686         pass_tree_loop_done, and pass_tree_unswitch.
4687         (gate_loop): Rename to gate_tree_loop.
4688         * passes.c (init_optimization_passes): Update for renamed tree
4689         loop passes.  Add the new loop2 passes as subpasses of loop2.
4690         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
4691         Update for the renamed tree loop passes.
4692
4693 2005-07-18  Ian Lance Taylor  <ian@airs.com>
4694
4695         PR middle-end/22057
4696         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
4697         blocks when optimizing.
4698
4699 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
4700
4701         * common.opt (frename-registers): Initialize to 2.
4702         (fweb): Ditto.
4703         (fgcse-after-reload): Ditto.
4704         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
4705         (process_options): Only change flag_web, flag_rename_registers,
4706         and flag_rerun_cse_after_loop if not explicitly set by user.
4707
4708 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4709
4710         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
4711         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
4712         in 64-bit mode the same as DImode in 32-bit mode.
4713         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
4714         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
4715         mode. Add new mode parameter.
4716         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
4717         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
4718         x86_64_shift_adj): New expanders.
4719         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
4720         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
4721         insns.
4722         Respective new splitters. Use renamed shift splitter helpers in 32-bit
4723         DImode shift splitters.
4724         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
4725         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
4726         mode parameter.
4727
4728 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4729
4730         * i386.md (movdi_extzv_1): New.
4731         (zero_extendhidi2): Combine alternatives and never force use of
4732         REX64 prefix.
4733         (zero_extendqidi2): Likewise. Don't restrict input selection.
4734
4735 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4736
4737         Fix PR tree-optimization/22531
4738         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
4739          moment.
4740
4741 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4742
4743         * tree-promote-statics.c (pass_promote_statics): Change dump file
4744          name.
4745
4746 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4747
4748         * tree-optimize.c (init_tree_optimization_passes): Add
4749         pass_eliminate_useless_stores pass.
4750         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
4751         * tree-ssa-pre.c (is_copy_stmt): New function.
4752         (follow_copies_till_vuse): Ditto.
4753         (do_eustores): Ditto.
4754         (gate_eustores): Ditto.
4755
4756 2005-07-16  Richard Henderson  <rth@redhat.com>
4757
4758         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
4759
4760 2005-07-16 Danny Berlin <dberlin@dberlin.org>
4761            Kenneth Zadeck <zadeck@naturalbridge.com>
4762
4763         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
4764         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
4765         ipa-type-escape.h, tree-promote-statics.c
4766         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
4767         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
4768         tree-promote-statics.c: new files.
4769         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
4770         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
4771         int nonlocal_set_p, mark_constant_function): Deleted.
4772         (rest_of_handle_cfg): Removed call to mark_constant_function.
4773         (nonoverlapping_component_refs_p): Added calls to support
4774         type based aliasing.
4775         * tree-ssa-alias.c (may_alias_p,
4776         compute_flow_insensitive_aliasing): Ditto.
4777         * calls.c (flags_from_decl_or_type): Removed reference to
4778         cgraph_rtl_info.
4779         * c-typeck.c (convert_arguments): Make builtins tolerant of having
4780         too many arguments.  This is necessary for Spec 2000.
4781         * cgraph.h (const_function, pure_function): Removed.
4782         * common.opt: Added "fipa-pure-const", "fipa-reference",
4783         "fipa-type-escape", and "ftree-promote-static".
4784         * opts.c: Ditto.
4785         * passes.c: Added ipa and tree-promote-statics passes.
4786         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
4787         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
4788         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
4789         * tree-flow.h: Added exposed sra calls and addition of
4790         reference_vars_info field for FUNCTION_DECLS.
4791         * tree-pass.h: Added passes.
4792         * tree-sra.c: (sra_init_cache): New function.
4793         (sra_insert_before, sra_insert_after) Made public.
4794         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
4795         and made public.
4796         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
4797         aliasing. (may_alias_p): Added code to use type escape analysis to
4798         improve alias sets.
4799         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
4800         code to prune clobbers of static variables based on information
4801         produced in ipa-reference pass.  Changed call clobbering so that
4802         statics are not marked as clobbered if the call does not clobber
4803         them.
4804
4805 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
4806
4807         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
4808         too.
4809
4810 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4811
4812         * doc/install.texi (*-*-solaris2*): Document recommended version
4813         of GNU binutils and mention GNU linker problem on Solaris 10.
4814
4815 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
4816
4817         PR c/22421
4818         * c-decl.c (c_build_bitfield_integer_type): New function.
4819         (finish_struct): Call it.
4820         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
4821
4822 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4823
4824         * c-typeck.c (digest_init): Call 'convert_for_assignment'
4825         before returning.
4826
4827 2005-07-16  Jan Hubicka  <jh@suse.cz>
4828
4829         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
4830         (scale_bbs_frequencies_int): Watch roundoff errors.
4831         * predict.c (return_prediction): Initialize return_stmt.
4832
4833 2005-07-16  Jan Hubicka  <jh@suse.cz>
4834
4835         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
4836         after RTL profiling.
4837
4838 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
4839
4840         PR middle-end/22398
4841         * fold-const.c (build_range_check): Convert high/low to etype
4842         if we are only comparing against exp.
4843
4844 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
4845
4846         Fix PR tree-optimization/22376
4847         * tree-ssa-structalias.c (build_constraint_graph): We really meant
4848         special var here.
4849         (need_to_solve): New function.
4850         (compute_points_to_sets): Use it.
4851
4852 2005-07-15  Jan Hubicka  <jh@suse.cz>
4853
4854         * cfg.c (update_bb_profile_for_threading): More diagnostic.
4855         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
4856
4857 2005-07-15  Richard Guenther  <rguenther@suse.de>
4858
4859         * c-common.c (handle_flatten_attribute): New function.
4860         Add flatten function attribute.
4861         * doc/extend.texi: Document flatten function attribute.
4862         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
4863         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
4864         New functions.
4865         (cgraph_decide_inlining): Handle functions with flatten
4866         attribute.
4867
4868 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
4869
4870         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
4871         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
4872         UNSPEC_XCHG, UNSPEC_AND): New.
4873         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
4874         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
4875         * config/rs6000/sync.md (FETCHOP): New code macro.
4876         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
4877         New code attrs.
4878         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
4879         (sync_compare_and_swap<mode>): Same.
4880         (sync_lock_test_and_set<mode>): Same.
4881         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
4882         for QImode and HImode, and not PPC405.
4883         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
4884         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
4885         (sync_<fetchop>{si,di}_internal): New.
4886         (sync_nand{si,di}_internal): New.
4887         (sync_old_<fetchop>{si,di}_internal): New.
4888         (sync_old_nand{si,di}_internal): New
4889         (sync_new_<fetchop>{si,di}_internal): New.
4890         (sync_new_nand{si,di}_internal): New.
4891         (atomic_and{si,di}): New.
4892         (sync_new_nand{si,di}_internal): New.
4893         (atomic_and{si,di}): New.
4894         (sync_add<mode>_internal): Delete.
4895         (sync_addshort_internal): Use unspec instead of unspec_volatile.
4896         (sync_sub<mode>_internal): Delte.
4897         (sync_subshort_internal): New.
4898         (sync_andsi_internal): Use unspec instead of unspec_volatile.
4899         (sync_anddi_internal): Delete.
4900         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
4901         (sync_booldi_internal): Delete.
4902         (sync_boolc<mode>_internal): Delete.
4903         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
4904         (sync_boolc<mode>_internal2): Delete.
4905         (sync_boolcc<mode>_internal): Delete.
4906         (isync, lwsync): Use unspec instead of unspec_volatile.
4907         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
4908         Revert UNSPEC_VOLATILE.
4909         (rs6000_split_atomic_op): New.
4910         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
4911
4912 2005-07-14  Eric Christopher  <echristo@redhat.com>
4913
4914         * config/mips/mips.c (mips_canonicalize_comparison): Cast
4915         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
4916
4917 2005-07-14  Eric Christopher  <echristo@redhat.com>
4918
4919         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
4920
4921 2005-07-14  Steven Bosscher  <stevenb@suse.de>
4922
4923         PR tree-optimization/22230
4924         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
4925         the computation of the four cross productions for "range op range".
4926
4927 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
4928             Ulrich Weigand  <uweigand@de.ibm.com>
4929
4930         PR target/20126
4931         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
4932         in some insn.
4933
4934 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
4935
4936         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
4937
4938 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
4939
4940         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
4941
4942 2005-07-14  Richard Guenther  <rguenther@suse.de>
4943
4944         PR middle-end/22347
4945         * config/i386/i386-protos.h (ix86_function_value): Change
4946         prototype to match new target hook.
4947         * config/i386/i386.c (ix86_value_regno): Change prototype
4948         to take extra type argument.
4949         (TARGET_FUNCTION_VALUE): Define.
4950         (ix86_function_ok_for_sibcall): Pass extra argument to
4951         ix86_value_regno, check return slot rtx for exact match.
4952         (ix86_function_value): Take extra parameter.  Dispatch to
4953         ix86_value_regno with fndecl/fntype as provided.
4954         (ix86_value_regno): Handle extra type argument.
4955         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
4956
4957         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
4958         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
4959         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
4960         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
4961         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
4962
4963 2005-07-14  Richard Guenther  <rguenther@suse.de>
4964
4965         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
4966         * calls.c (expand_call): Pass fntype to hard_function_value.
4967         (emit_library_call_value_1): Likewise.
4968         * explow.c: Include target.h.
4969         (hard_function_value): Take extra argument, the fntype.
4970         Use new target hook for function_value.
4971         * expr.h (hard_function_value): Change prototype.
4972         * function.c (aggregate_value_p): Pass 0 as fntype to
4973         hard_function_value.
4974         (assign_parms): Use new target hook for function_value.
4975         Pass 0 as fntype to hard_function_value.
4976         (expand_function_end): Likewise.
4977         * reg-stack.c: Include target.h.
4978         (stack_result): Use new target hook for function_value.
4979         * target-def.h: New target hook function_value.
4980         * target.h: Likewise.
4981         * targhooks.c (default_function_value): New function.
4982         * targhooks.h (default_function_value): Declare.
4983
4984 2005-07-13  Ian Lance Taylor  <ian@airs.com>
4985
4986         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
4987
4988 2005-07-14  Jan Hubicka  <jh@suse.cz>
4989
4990         * tree-dfa.c (dump_variable): Use default_def function.
4991         * tree-ssa-alias.c (dump_points_to_info): Likewise.
4992         * tree-ssa.c (verify_use): Likewise.
4993         * tree-ssanames.c (release_ssa_name): Likewise.
4994         * tree-tailcall.c (eliminate_tail_call): Likewise.
4995         (tree_optimize_tail_calls_1): Likewise.
4996         * tree-vrp.c (get_value_range): Likewise.
4997
4998 2005-07-14  Ben Elliston  <bje@au.ibm.com>
4999
5000         * gcc.c (main): Compare language[0] with '*' when iterating over
5001         the infiles.
5002
5003 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
5004
5005         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
5006         "s390_emit_compare".  Add handling of CCZ1mode.
5007         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
5008         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
5009         checking.
5010         (s390_branch_condition_mask): Add CCZ1mode handling.
5011         * config/s390/s390.md: ("seq", "*seq"): New pattern.
5012         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
5013         Use CCZ1mode instead of CCZmode.
5014         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
5015
5016 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
5017
5018         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
5019         pattern.
5020         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
5021
5022 2005-07-13  Eric Christopher  <echristo@redhat.com>
5023
5024         * config/mips/mips.c (mips_canonicalize_comparison): New.
5025         (mips_emit_int_relational): Use.
5026
5027 2005-07-13  Eric Christopher  <echristo@redhat.com>
5028
5029         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5030         static extra parts.
5031         * config/s390/s390.md: Include tpf.md. Move tpf specific
5032         patterns...
5033         * config/s390/tpf.md: To here.
5034         * config/s390/s390.opt: Move tpf specific options...
5035         * config/s390/tpf.opt: to here. Add mmain option.
5036         * config/s390/tpf-unwind.h: Remove unnecessary defines.
5037         * config/s390/tpf.h: Rewrite.
5038
5039 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
5040
5041         * doc/tm.texi: Remove @xref{Cross-profiling}.
5042
5043 2005-07-13  Jeff Law  <law@redhat.com>
5044
5045         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
5046         expressions, test their _DECL operands for pointer equality rather
5047         than using operand_equal_p.
5048
5049 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
5050
5051         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
5052         (TARGET_POSIX_IO): This.
5053         * config/darwin.h: Likewise.
5054         * config/freebsd.h: Likewise.
5055         * config/linux.h: Likewise.
5056         * config/lynx.h: Likewise.
5057         * config/netbsd.h: Likewise.
5058         * config/rs6000/linux64.h: Likewise.
5059         * config/rs6000/linux.h: Likewise.
5060         * config/s390/tpf.h: Likewise.
5061         * config/sh/embed-elf.h: Likewise.
5062         * config/sparc/linux64.h: Likewise.
5063         * config/sparc/linux.h: Likewise.
5064         * config/svr4.h: Likewise.
5065         * gcov-io.h: Likewise.
5066
5067         * doc/tm.texi: Updated.
5068
5069         * libgcov.c (create_file_directory): Defined only if
5070         TARGET_POSIX_IO is defined.
5071         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
5072         is defined.
5073
5074 2005-07-13  Jan Hubicka  <jh@suse.cz>
5075
5076         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
5077
5078 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
5079
5080         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
5081         structure as argument.
5082
5083 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
5084
5085         PR tree-optimization/21921
5086         * tree-iterator.c (tsi_link_before): Support the case when
5087         tsi_end_p (tsi) == true.
5088
5089 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5090
5091         PR tree-optimization/22442
5092         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
5093         correctly.
5094
5095 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5096
5097         PR rtl-optimization/20376
5098         * toplev.c (process_options): Enable -fweb and -frename-registers when
5099         unrolling.
5100         * doc/invoke.texi: Update the information about when -fweb and
5101         -frename-registers are enabled.
5102
5103 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5104
5105         PR tree-opt/21840
5106         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
5107         if *rhs_p is not a SSA_NAME.
5108
5109 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
5110
5111         Fix PR tree-optimization/22422
5112         * tree-ssa-structalias.c (struct variable_info): Add flag for
5113         special vars.
5114         (get_varinfo): Now a static function.
5115         (new_varinfo): init has_union and is_special_var to false.
5116         (solution_set_add): Check has_union.
5117         (do_da_constraint): Move temporary variable so it gets reset
5118         properly.
5119         Also check for special variable.
5120         (do_ds_constraint): Ditto.
5121         (do_sd_constraint): Ditto.
5122         (do_structure_copy): Check for special variable.
5123         (find_func_aliases): Ditto.
5124         (init_base_vars): Set special vars properly.
5125
5126 2005-07-13  Jan Hubicka  <jh@suse.cz>
5127
5128         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
5129         do unit-at-a-time.
5130
5131         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
5132         (get_expr_operands): Fix thinko wrt flags and subvars.
5133
5134         PR tree-optimize/22379
5135         * tree-inline.c (expand_call_inline): Do not output sorry in early
5136         inlining.
5137
5138 2005-07-12  Dale Johannesen  <dalej@apple.com>
5139
5140         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
5141
5142 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5143
5144         PR bootstrap/21704
5145         * host-linux.h: Include limits.h.
5146
5147 2005-07-12  Dale Johannesen  <dalej@apple.com>
5148
5149         * expr.c (compress_float_constant):  Add cost check.
5150         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
5151
5152 2005-07-12  Dale Johannesen  <dalej@apple.com>
5153
5154         * gcc.target/i386/compress-float-sse.c:  New.
5155         * gcc.target/i386/compress-float-sse-pic.c:  New.
5156         * gcc.target/i386/compress-float-387.c:  New.
5157         * gcc.target/i386/compress-float-387-pic.c:  New.
5158         * gcc.dg/compress-float-ppc.c:  New.
5159         * gcc.dg/compress-float-ppc-pic.c:  New.
5160
5161 2005-07-12  Eric Christopher  <echristo@redhat.com>
5162
5163         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5164         static extra parts.
5165         * config/s390/s390.md: Include tpf.md. Move tpf specific
5166         patterns...
5167         * config/s390/tpf.md: To here.
5168         * config/s390/s390.opt: Move tpf specific options...
5169         * config/s390/tpf.opt: to here. Add mmain option.
5170         * config/s390/tpf-unwind.h: Remove unnecessary defines.
5171         * config/s390/tpf.h: Rewrite.
5172
5173 2005-07-12  Eric Christopher  <echristo@redhat.com>
5174
5175         * gcc.c (struct infile): Update comment for language.
5176         (main): Rewrite input file resetting code.
5177
5178 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5179
5180         PR tree-opt/22335
5181         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
5182         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
5183         (lookup_avail_expr): Use constant_boolean_node instead
5184         of boolean_false_node/boolean_true_node.
5185
5186 2005-07-12  Ben Elliston  <bje@au.ibm.com>
5187
5188         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
5189         and use it when printing num_edges.
5190
5191 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5192
5193         * doc/extend.texi (Blackfin Built-in Functions): New section.
5194         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
5195         @opindex.
5196
5197 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
5198
5199         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
5200         s/cmpstrsi/cmpstrnsi
5201         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
5202         'cmpstrnsi'.
5203         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
5204         (init_optabs): Initialize cmpstrn_optab.
5205         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
5206         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
5207         * expr.c: (enum insn_code cmpstrn_optab): Declare.
5208         * config/i386/i386.md: s/cmpstr/cmpstrn
5209         * config/c4x/c4x.md: s/cmpstr/cmpstrn
5210         * doc/md.texi: Update documentation.
5211
5212 2005-07-11  Richard Henderson  <rth@redhat.com>
5213
5214         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
5215         build_va_arg_indirect_ref.
5216         (alpha_gimplify_va_arg): Likewise.
5217         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5218         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5219         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
5220         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5221         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5222         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
5223         Likewise.
5224         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5225
5226 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5227
5228         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
5229         * passes.c (init_optimization_passes): Add pass_empty_loop.
5230         * tree-pass.h (pass_empty_loop): Declare.
5231         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
5232         try_remove_empty_loop, remove_empty_loops): New functions.
5233         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
5234         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
5235
5236 2005-07-12  Peter Barada  <peter@the-baradas.com>
5237
5238         PR middle-end/16719
5239         PR middle-end/18421
5240         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
5241         in address registers.
5242         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
5243         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
5244         alternative of addsi3_5200.
5245
5246 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5247
5248         * config/mips/mips.md (ffs<mode>2): Remove.
5249
5250 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5251
5252         * doc/tree-ssa.texi (Cleanups): Improve description of
5253         TRY_FINALLY_EXPR.
5254         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
5255
5256 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5257
5258         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
5259         * tree.h (DECL_ARGUMENT_FLD): New macro.
5260
5261 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5262
5263         Fix PR tree-optimization/22404
5264
5265         * tree-ssa-structalias.c (create_variable_info_for): Use
5266         correct offset.
5267
5268 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5269
5270         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
5271         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
5272         for second comparison operand.
5273         * config/bfin/predicates.md (reg_or_const_int_operand): New.
5274
5275         * config/bfin/bfin.md (define_attr "type"): Add "sync".
5276         (define_insn_reservation "alu"): Likewise.
5277         (csync, ssync): Now of type sync.
5278         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
5279         -mcsync-anomaly -mspecld-anomaly.
5280         * config/bfin/bfin.opt (mcsync): Remove.
5281         (mcsync-anomaly, mspecld-anomaly): Add.
5282         * config/bfin/bfin.c: Include "insn-codes.h".
5283         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
5284         (TARGET_DEFAULT_TARGET_FLAGS): New.
5285         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
5286
5287 2005-07-11  Steven Bosscher  <stevenb@suse.de>
5288
5289         * basic-block.h: Give the BB flags enum a name, bb_flags.
5290         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
5291         * cfgcleanup.c (enum bb_flags): Remove here.
5292         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
5293         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
5294         (update_forwarder_flag): Likewise.
5295         (thread_jump): Likewise.
5296         (try_forward_edges): Likewise.
5297         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
5298         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
5299         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
5300
5301 2005-07-11  Richard Guenther  <rguenther@suse.de>
5302
5303         * config/i386/i386.opt: New target option -msseregparm.
5304         * config/i386/i386.c (override_options): Error out for
5305         -msseregparm but no SSE support.
5306         (ix86_function_sseregparm): Check for global sseregparm.
5307         * doc/invoke.texi: Document -msseregparm.
5308
5309 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5310
5311         * config.gcc (m32r-*-linux*): Use the default extra_parts.
5312         (m32rle-*-linux*): Ditto.
5313
5314 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
5315
5316         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
5317         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
5318         bytes.
5319
5320 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5321
5322         PR middle-end/22239
5323         PR target/20126
5324         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
5325         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
5326
5327 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
5328
5329         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
5330         (varmap): Heapify varmap.
5331         (constraints): Heapify constraints.
5332         (struct constraint_graph): Heapify succs and preds.
5333         (constraint_vec_find): Update for heapification.
5334         (constraint_set_union): Ditto.
5335         (insert_into_complex): Ditto.
5336         (constraint_edge_vec_find): Ditto.
5337         (erase_graph_self_edge): Ditto.
5338         (add_graph_edge): Ditto.
5339         (get_graph_weights): Ditto.
5340         (merge_graph_nodes): Ditto.
5341         (build_constraint_graph): Ditto.
5342         (topo_visit): Ditto.
5343         (solve_graph): Ditto.
5344         (create_variable_info_for): Ditto.
5345         (init_base_vars): Ditto.
5346         (delete_points_to_sets): Free graph, varmap, and complex constraints.
5347         (condese_varmap_nodes): Free complex vector.
5348         (clear_edges_for_node): Clear succs and preds vector.
5349
5350 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5351
5352         * tree-ssa-structalias.c (update_alias_info): Change counting of
5353         references to not include vdefs.
5354
5355 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5356
5357         * tree-ssa-alias.c (free_used_part_map): Add missing free.
5358         (up_insert): Ditto.
5359
5360 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5361
5362         * pa.c (pa_commutative_p): Make PLUS commutative when
5363         TARGET_NO_SPACE_REGS is true.
5364
5365 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5366
5367         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
5368         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
5369         * tree-dfa.c (dump_subvars_for): New.
5370         (debug_subvars_for): New.
5371         (dump_variable): Show subvariables if VAR has them.
5372         * tree-flow-inline.h (get_subvar_at): New.
5373         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
5374         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
5375         Update all users.
5376         (struct subvar): Change fields offset and size to unsigned
5377         HOST_WIDE_INT.
5378         (dump_subvars_for): Declare.
5379         (debug_subvars_for): Declare.
5380         (get_subvar_at): Declare.
5381         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
5382         to unsigned HOST_WIDE_INT *.
5383         (overlap_subvar): Likewise.
5384         * tree-gimple.c (is_gimple_reg): Always return false for
5385         SFTs and memory tags.
5386         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
5387         Update all callers.
5388         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
5389         (compute_may_aliases): Call compute_points_to_sets.
5390         (collect_points_to_info_for): Remove.
5391         (compute_points_to_and_addr_escape): Remove.
5392         (delete_alias_info): Call delete_points_to_sets.
5393         (compute_flow_sensitive_aliasing): If the call to
5394         find_what_p_points_to returns false, call set_pt_anything.
5395         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
5396         (set_pt_anything): Clear pi->pt_vars.
5397         (set_pt_malloc): Remove.
5398         (merge_pointed_to_info): Remove.
5399         (add_pointed_to_expr): Remove.
5400         (add_pointed_to_var): Remove.
5401         (collect_points_to_info_r): Remove.
5402         (is_escape_site): Make extern.
5403         (create_sft): New.
5404         (create_overlap_variables_for): Call it.
5405         * tree-ssa-copy.c (merge_alias_info): Never merge
5406         flow-sensitive alias information.
5407         * tree-ssa-operands.c (get_expr_operands): Adjust variables
5408         offset and size to be unsigned HOST_WIDE_INT.
5409         (add_to_addressable_set): Rename from note_addressable.
5410         Set TREE_ADDRESSABLE as the variables are added to the set.
5411         Update all users.
5412         (add_stmt_operand): Do not try to micro-optimize unmodifiable
5413         operands into VUSEs when adding V_MAY_DEFs for members in an
5414         alias set.
5415         * tree-ssa-operands.h (add_to_addressable_set): Declare.
5416         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
5417         (struct variable_info): Add bitfield is_heap_var.
5418         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
5419         (new_var_info): Initialize is_heap_var.
5420         (get_constraint_for): Add HEAP variables to the symbol table.
5421         Mark them with is_heap_var.
5422         (update_alias_info): New.  Taken mostly from the old
5423         compute_points_to_and_addr_escape.
5424         (handle_ptr_arith): New.
5425         (find_func_aliases): Call update_alias_info.
5426         Call handle_ptr_info for tcc_binary expressions.
5427         Call mark_stmt_modified.
5428         (create_variable_info_for): If DECL has subvars, do not create
5429         variables for its subvars.  Always add all the fields.
5430         (set_uids_in_ptset): If the solution includes ANYOFFSET and
5431         SFTs, then add all the SFTs of the structure.
5432         If VI->DECL is an aggregate with subvariables, add the SFT at
5433         VI->OFFSET.
5434         (find_what_p_points_to): If VI is an artificial variable,
5435         translate to bitfields in SSA_NAME_PTR_INFO.
5436         If the solution is empty, set pi->pt_vars to NULL
5437         (init_base_vars): Create ANYOFFSET.
5438         (compute_points_to_sets): Rename from create_alias_vars.
5439         Make extern.
5440         (pass_build_pta): Remove.
5441         (delete_points_to_sets): Rename from delete_alias_vars.
5442         (pass_del_pta): Remove.
5443         * tree-ssa-structalias.h (struct alias_info): Move from
5444         tree-ssa-alias.h.
5445         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
5446         NUM_REFERENCES_SET): Likewise.
5447         (compute_points_to_sets, delete_points_to_sets): Declare.
5448
5449 2005-07-09  Richard Henderson  <rth@redhat.com>
5450
5451         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
5452         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
5453         alpha_split_lock_test_and_set_12): New functions.
5454         * config/alpha/alpha-protos.h: Update.
5455         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
5456         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
5457         * config/alpha/sync.md (I12MODE): New.
5458         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
5459         (sync_<fetchop_name><I48MODE>): Likewise.
5460         (sync_nand<I48MODE>): Likewise.
5461         (sync_old_<fetchop_name><I48MODE>): Likewise.
5462         (sync_new_<fetchop_name><I48MODE>): Likewise.
5463         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5464         (sync_compare_and_swap<I48MODE>): Likewise.
5465         (sync_lock_test_and_set<I48MODE>): Likewise.
5466         (sync_compare_and_swap<I12MODE>): New.
5467         (sync_compare_and_swap<I12MODE>_1): New.
5468         (sync_lock_test_and_set<I12MODE>): New.
5469         (sync_lock_test_and_set<I12MODE>_1): New.
5470
5471 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5472
5473         PR 21356
5474         PR 22332
5475         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
5476
5477 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
5478
5479         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
5480         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
5481
5482 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
5483
5484         PR target/21656
5485         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5486
5487 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
5488
5489         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
5490         memory_operand constraint.
5491         (store_conditional_<mode>): Same.
5492         (sync_compare_and_swap<mode>): Same.
5493         (sync_lock_test_and_set<mode>): Same.
5494
5495 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
5496
5497         Rewrite PIC support to more closely model actual instructions.
5498         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
5499         (cris_symbol): Remove prototypes for removed functions.
5500         (cris_pic_symbol_type_of, cris_valid_pic_const)
5501         (cris_expand_pic_call_address): Prototypes for new functions.
5502         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
5503         variable.
5504         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
5505         modifiers.
5506         <case ':'>: Add case for new punctuation character.
5507         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
5508         emitting (extra) PIC modifier.
5509         <case UNSPEC>: Do not assert for PLT.
5510         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
5511         (cris_expand_prologue, cris_expand_epilogue): Check
5512         for pic_offset_table_rtx usage instead of taking
5513         current_function_uses_pic_offset_table as the final word.
5514         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
5515         Remove flag_pic difference.
5516         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
5517         the moral equivalents of...
5518         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
5519         functions.
5520         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
5521         (cris_handle_option): Mark ARG as unused.
5522         (cris_expand_pic_call_address): New worker function for "call",
5523         "call_value".
5524         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
5525         output PIC constructs here.
5526         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
5527         as symbol-specific modifers, not whole or part of operands.
5528         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
5529         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
5530         constants and flag_pic.
5531         (CONSTANT_INDEX_P): Adjust for new functions.
5532         (enum cris_pic_symbol_type): New helper type.
5533         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
5534         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
5535         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
5536         define_constants.
5537         ("movsi"): Emit actual instructions for GOT and relative access.
5538         ("*movsi_got_load"): New pattern to set up the register holding
5539         the GOT pointer.
5540         ("*movsi_internal"): Operand 1 is not a plain general_operand.
5541         Adjust FIXME for 'S'.
5542         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
5543         Use "movs" for -fpic cases.
5544         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
5545         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
5546         ("call", "call_value"): Just call cris_expand_pic_call_address for
5547         PIC addresses.
5548         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
5549         Remove special pattern.
5550         ("*expanded_call_side", "*expanded_call_value_side"): New
5551         patterns.
5552         (gotplt-to-plt, gotplt-to-plt-side-call)
5553         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
5554         peephole2:s.
5555         * config/cris/cris/predicates.md
5556         ("cris_general_operand_or_gotless_symbol"): Remove unused
5557         predicate.
5558         ("cris_general_operand_or_symbol"): Adjust for new functions.
5559
5560 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5561
5562         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
5563
5564 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
5565
5566         * Makefile.in (TREE_H): Add treestruct.def.
5567         (c-decl.o): Add pointer-set.h
5568         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
5569         visibility on regular DECL's.
5570         (merge_decls): Fix the copying of decl nodes of various types for
5571         the new structures.  Don't update RTL, section name, weak status,
5572         etc, on DECL's without RTL.
5573         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
5574         Don't check volatile on non-variable types.
5575         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
5576         to check whether we have seen arguments.
5577         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
5578         flag is checked before field (flag is common, field is not).
5579         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
5580         TS_DECL_COMMON could have an origin.
5581         (add_location_or_const_value_attribute): Don't check section name
5582         on non-var/function decls.
5583         (dwarf2out_var_location): Reverse order of tests.
5584         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
5585         with DECL_WRTL_CHECK.
5586         * expmed.c (make_tree): rtl is now in decl_with_rtl.
5587         * fold-const.c (fold_binary): Don't check weakness on
5588         non-var/function decls.
5589         (tree_expr_nonzero_p): Ditto.
5590         (fold_checksum_tree): Use tree_decl_extra as sizeof
5591         buffer.
5592         * ggc-page.c (extra_order_size_table): Add sizes for
5593         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
5594         tree_field_decl.
5595         * gimplify.c (gimplify_bind_expr): Only set
5596         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
5597         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
5598         without RTL.
5599         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
5600         * langhooks.h (init_ts). New langhook.
5601         * passes.c (rest_of_decl_compilation): Reverse order of tests.
5602         * print-tree.c (print_node): Update to only print fields that
5603         exist in the structures the passed decl has.
5604         * toplev.c (wrapup_global_declarations): Don't reset
5605         DECL_DEFER_OUTPUT on DECL's that don't contain it.
5606         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
5607         * tree-inline.c (remap_decl): Ditto.
5608         * tree-outof-ssa.c (create_temp): Reverse order of tests.
5609         * tree-pretty-print.c (print_declaration): Don't print
5610         DECL_REGISTER on things that don't contain it.
5611         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
5612         non-var/function decls.
5613         * tree.c (tree_contains_struct): New structure.
5614         (init_priority_for_decl): New hashtable.
5615         (tree_int_map): New structure.
5616         (tree_int_map_eq): New function.
5617         (tree_int_map_marked_p): Ditto.
5618         (tree_int_map_hash): Ditto.
5619         (tree_map): Move to tree.h.
5620         (tree_map_eq): Externalize.
5621         (tree_map_hash): Ditto.
5622         (tree_map_marked_p): Ditto.
5623         (init_ttree): Set up tree_contains_struct and call langhook.
5624         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
5625         (tree_code_size): Update for new structures.
5626         (tree_node_structure): Update for new structures.
5627         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
5628         without the field.
5629         (copy_node_stat):  Copy init priority.
5630         (build_decl_stat): Ditto for visibility.
5631         (ts_enum_names): New.
5632         (tree_contains_struct_check_failed): New function.
5633         (decl_init_priority_lookup): Ditto.
5634         (decl_init_priority_insert): Ditto.
5635         * treestruct.def: New file.
5636         * tree.h (CODE_CONTAINS_STRUCT): New macro.
5637         (CONTAINS_STRUCT_CHECK): Ditto.
5638         (tree_contains_struct_check_failed): New prototype.
5639         (DECL_CHECK): Removed.
5640         (DECL_MINIMAL_CHECK): New.
5641         (DECL_COMMON_CHECK): Ditto.
5642         (DECL_WRTL_CHECK): Ditto.
5643         (DECL_NON_COMMON_CHECK): Ditto.
5644         (DECL_WITH_VIS_CHECK): Ditto.
5645         (VAR_OR_FUNCTION_DECL_P): Ditto
5646         (struct tree_decl_minimal): New structure.
5647         (struct tree_decl_common): Ditto.
5648         (struct tree_decl_with_rtl): Ditto.
5649         (struct tree_decl_with_vis): Ditto.
5650         (struct tree_decl_non_common): Ditto.
5651         (struct tree_field_decl): Ditto.
5652         (struct tree_parm_decl): Ditto.
5653         (struct tree_var_decl): Ditto.
5654         (struct tree_function_decl): Ditto.
5655         (struct tree_const_decl): Ditto.
5656         (struct tree_result_decl): Ditto.
5657         (union tree_node): Add new structures.
5658         * var-tracking.c (track_expr_p): Reverse order of tests.
5659
5660         * doc/c-tree.texi: Add documentation on DECL node internal structure.
5661
5662 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5663
5664         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
5665         * system.h: Poison FINALIZE_PIC.
5666         * doc/tm.texi (FINALIZE_PIC): Remove.
5667
5668 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5669
5670         PR tree-opt/22329
5671         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
5672         to the correct type if we have a MODIFY_EXPR.
5673
5674 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5675
5676         PR tree-optimization/22360
5677         * tree.c (upper_bound_in_type): Fix calculations for casting
5678         to a non-wider signed type and casting a signed value to a
5679         wider unsigned type.
5680         (lower_bound_in_type): Fix calculations for casting to a
5681         non-wider signed type.
5682
5683         PR tree-optimization/20139
5684         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
5685         release_defs.
5686         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
5687         fold_cond_expr_cond.
5688         * tree-ssanames.c (release_defs): Assert in_ssa_p.
5689         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
5690
5691 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5692
5693         PR tree-opt/22356
5694         * tree-complex.c (expand_complex_libcall): Produce
5695         REALPART_EXPR/IMAGPART_EXPR with the correct type.
5696
5697 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
5698
5699         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
5700         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
5701         b" assert and inserted fastpath code for this case.
5702         (bitmap_ior): Removed "a != b" assert.
5703
5704 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5705
5706         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
5707         (ENDFILE_SPEC): Likewise.
5708         * config/m32r/m32r.h (ASM_SPEC): Likewise.
5709
5710         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
5711         a large stack frame at epilogue.
5712
5713 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
5714
5715         * final.c: Include sdbout.h when required.
5716
5717 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
5718
5719         * config.gcc (*-*-darwin*): Only one target-specific header file
5720         for generic darwin.
5721         (powerpc-*-darwin*): Add version-specific header files.
5722         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
5723         * config.in: Regenerate.
5724         * configure: Regenerate.
5725         * gcc.c: Include xregex.h.
5726         (version_compare_spec_function): New.
5727         (spec_function): Add version-compare.
5728         (replace_outfile_spec_function): Reformat comment.
5729         (compare_version_strings): New.
5730         * config/darwin-c.c (version_as_macro): New.
5731         (builtin_define): New.
5732         (darwin_cpp_builtins): New.
5733         * config/darwin-protos.h (darwin_cpp_builtins): New.
5734         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
5735         (LIB_SPEC): Make unconditional, update comment.
5736         (TARGET_C99_FUNCTIONS): Define.
5737         * config/darwin.opt: Sort.
5738         (mmacosx-version-min=): New.
5739         * config/darwin7.h: Delete.
5740         * config/darwin8.h: Delete.
5741         * config/i386/darwin.h (): Call darwin_cpp_builtins.
5742         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
5743         (TARGET_C99_FUNCTIONS): Define.
5744         * config/rs6000/darwin7.h: New.
5745         * config/rs6000/darwin8.h: New.
5746         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
5747         (-mmacosx-version-min): Document.
5748
5749 2005-07-07  Ian Lance Taylor  <ian@airs.com>
5750
5751         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
5752
5753 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
5754
5755         PR middle-end/22239
5756         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
5757
5758 2005-07-07  Khem Raj  <kraj@mvista.com>
5759
5760         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
5761         in bytes, not words.
5762
5763 2005-07-07  Paul Brook  <paul@codesourcery.com>
5764
5765         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
5766         DEFAULT_FUNCTION_ARG_PADDING to upward.
5767
5768 2005-07-07  Richard Henderson  <rth@redhat.com>
5769
5770         * function.c (locate_and_pad_parm): Record parameter alignment in
5771         stack_alignment_needed.
5772
5773 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
5774
5775         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
5776         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
5777         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
5778         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
5779         (define_attr "type"): Add isync, sync, load_l, store_c.
5780         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
5781         Create scratch volatile MEM.
5782         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
5783         sync.
5784         (load_locked_<mode>): New.
5785         (store_conditional_<mode>): New.
5786         (sync_compare_and_swap<mode>): Replace with splitter.
5787         (sync_lock_test_and_set<mode>): Replace with splitter.
5788         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
5789         and UNSPECV_ISYNC.
5790         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
5791         is ics.  Attribute isync.
5792         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
5793         lwsync.
5794         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
5795         and UNSPECV_SYNC_OP.
5796         (emit_unlikely_jump): New.
5797         (emit_load_locked): New.
5798         (emit_store_conditional): New.
5799         (rs6000_split_compare_and_swap): New.
5800         (rs6000_split_lock_test_and_set): New.
5801         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
5802         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
5803         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
5804         rs6000_split_lock_test_and_set): Declare.
5805         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
5806         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
5807         store_c, isync, sync.
5808
5809 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
5810
5811         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
5812         filenames to gtyp-gen.h.
5813         (s-typ-gen): Use it in place of for loops.
5814
5815 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
5816
5817         * hooks.c (hook_bool_rtx_int_false): New function.
5818         * hooks.h (hook_bool_rtx_int_false): Declare.
5819         * target-def.h (TARGET_COMMUTATIVE_P): Define.
5820         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
5821         * target.h (struct gcc_target): Add commutative_p member.
5822         * targhooks.c (hook_bool_rtx_commutative_p): New function.
5823         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
5824         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
5825         (pa_commutative_p): New function.
5826         * jump.c (target.h): Include.
5827         (rtx_renumbered_equal_p): Use targetm.commutative_p.
5828         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
5829
5830 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5831
5832         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
5833         (s390_expand_setmem): New.
5834         * config/s390/s390.c: Likewise.
5835         (print_shift_count_operand): Truncate to 12 bits instead of 6.
5836         Adapt comments.
5837         * config/s390/s390.md: ("setmem<mode>"): Accept character as
5838         general_operand.  Call new function "s390_expand_setmem".
5839         ("clrmem_long", "*clrmem_long"): Rewrite to ...
5840         ("setmem_long", "*setmem_long"): ... this.
5841
5842 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5843
5844         * config/s390/s390.c: (optimization_options): Enable
5845         TARGET_MVCLE at -Os.
5846         * doc/invoke.texi: Document changes in default behaviour.
5847         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
5848
5849 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5850
5851         * expr.c: (set_storage_via_setmem): Convert opchar to mode
5852         defined by back-end.
5853
5854 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
5855
5856         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
5857         all sets in the pattern.
5858         * config/rs6000/rs6000.md (stack_protect_testsi,
5859         stack_protect_testdi): Likewise.
5860
5861 2005-07-06  Jeff Law  <law@redhat.com>
5862
5863         * tree-vrp.c (simplify_using_ranges): Kill.
5864         (vrp_finalize): Remove call to simplify_using_ranges.
5865         (simplify_stmt_using_ranges): New function extracted from
5866         simplify_using_ranges.
5867         (simplify_div_or_mod_using_ranges): Likewise.
5868         (simplify_abs_using_ranges): Likewise.
5869         (simplify_cond_using_ranges): New function.
5870         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
5871         * tree-ssa-propagate.c (substitute_and_fold): Call
5872         simplify_stmt_using_ranges if we have range information.
5873
5874 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
5875
5876         * config/ia64/ia64.c (ia64_reorg): Check optimize before
5877         ia64_flag_schedule_isns2.
5878
5879         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
5880         reading/writing general registers.
5881         (ia64_function_arg): Revert 2005-06-18 change.
5882
5883 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
5884
5885         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
5886         (legitimize_tls_address): Use gcc_unreachable instead of abort.
5887
5888 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
5889
5890         * function.c (expand_function_end): Revert part of 2005-06-27
5891         patch.  Do sjlj_emit_function_exit_after after return_label.
5892
5893 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5894
5895         * doc/install.texi (--disable-libssp): New.
5896
5897 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
5898
5899         * doc/invoke.texi: Update -fforce-mem documentation.
5900         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
5901         code for -fforce-mem.
5902         * expmed.c: (store_bit_field,store_fixed_bit_field,
5903         extract_bit_field): Ditto.
5904         * expr.c: (convert_move): Ditto.
5905         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
5906         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
5907         emit_conditional_add,expand_float,expand_fix): Ditto.
5908         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
5909         (common_handle_option): Issue warning when -fforce-mem specified.
5910
5911 2005-07-06  Paul Brook  <paul@codesourcery.com>
5912
5913         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
5914         argument is empty.
5915         * configure: Regenerate.
5916
5917 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
5918
5919         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
5920
5921 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
5922
5923         Fix PR tree-optimization/22319
5924         Fix PR tree-optimization/22140
5925         Fix PR tree-optimization/22310
5926
5927         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
5928         variable sized types.
5929         Use correct type for intermediate structure on *a = *b structure
5930         copies.
5931
5932 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5933
5934         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
5935         Remove.
5936         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
5937         (machine_function): Move typedef to...
5938         * config/rs6000/rs6000.c (machine_function): ... here.  Add
5939         varargs_save_offset field.
5940         (rs6000_stack_t): Remove varargs_size field.
5941         (setup_incoming_varargs): Allocate varargs save area using
5942         assign_stack_local, try to make it as small as possible.
5943         Save offset from virtual_stack_vars_rtx to the save area
5944         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
5945         instead of magic 8 when fp word byte size is used.
5946         (rs6000_va_start): Use cfun->machine->varargs_save_offset
5947         instead of -RS6000_VARARGS_SIZE.
5948         (rs6000_stack_info, debug_stack_info,
5949         rs6000_initial_elimination_offset): Remove all traces of
5950         varargs_size.
5951         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
5952         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
5953         RS6000_VARARGS_AREA.
5954
5955 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
5956
5957         PR tree-optimization/21963
5958         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
5959         constant_multiple_of in the same way get_computation_cost_at does.
5960
5961 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
5962
5963         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
5964         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
5965         (gen_compare_reg): If sparc_compare_emitted is set, clear it
5966         and return its previous value.
5967         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
5968         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
5969         constants.
5970         (stack_protect_set, stack_protect_test): New expanders.
5971         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
5972         stack_protect_testdi): New insns.
5973         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
5974         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
5975
5976 2005-07-06  Jeff Law  <law@redhat.com>
5977
5978         * tree-ssa-dce.c (cfg_altered): New global.
5979         (tree_dce_init): Initialize cfg_altered.
5980         (remove_dead_stmt): If we remove an edge in the CFG, then set
5981         CFG_ALTERED.
5982         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
5983         the dominators.
5984
5985 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5986
5987         * Makefile.in (stamp-collect-ld): Use
5988         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
5989         ./collect-ld if it already exists.
5990         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
5991         Don't remove ./nm if it already exists.
5992
5993 2005-07-05  Devang Patel  <dpatel@apple.com>
5994
5995         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
5996         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
5997         * tree-vectorizer.c (vect_loop_location): New.
5998         (vect_print_dump_info): Use vect_loop_location.
5999         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
6000         (vectorize_loops): Set vect_loop_location.
6001         * tree-vect-analyze.c (vect_analyze_offset_expr,
6002         vect_determin_vectorization_factor, vect_analyze_operations,
6003         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
6004         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
6005         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
6006         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
6007         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
6008         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
6009         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
6010         vect_analyze_loop): Adjust vect_print_dump_info API.
6011         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6012         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
6013         vect_finish_stmt_generation, vectorizable_assignment,
6014         vectorizable_operation, vectorizable_store, vectorizable_load,
6015         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
6016         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
6017         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
6018         vect_transform_loop): Same.
6019         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
6020         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
6021         Same.
6022
6023 2005-07-05  Randolph Chung  <tausq@debian.org>
6024
6025         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
6026         * configure: Regenerate.
6027         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
6028         (pa_tls_referenced_p): Declare.
6029         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
6030         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
6031         (legitimize_tls_address): New.
6032         (hppa_legitimize_address): Handle TLS addresses.
6033         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
6034         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6035         (emit_move_sequence): Handle TLS addresses.
6036         (pa_encode_section_info): Call default handler to handle common
6037         sections.
6038         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
6039         (CONSTANT_ADDRESS_P): Reject TLS operands.
6040         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
6041         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
6042         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
6043         (UNSPEC_TLSLE): Define new constants.
6044         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
6045         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
6046         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
6047         (tie_symbolic_operand, tle_symbolic_operand): New
6048
6049 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
6050
6051         * aclocal.m4: Update macros for autoconf 2.59 style.
6052         * configure.ac: Likewise.
6053
6054 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6055
6056         * pa.c (function_value): Handle small aggregates on 32-bit targets.
6057         (function_arg): Pass small aggregates in general registers on 32-bit
6058         targets.
6059         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
6060
6061 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
6062
6063         * Makefile.in (final.o): Fix dependencies.
6064
6065 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
6066
6067         PR c/22013
6068         PR c/22098
6069         * langhooks.h (struct lang_hooks): Add expr_to_decl.
6070         * langhooks.c (lhd_expr_to_decl): New.
6071         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
6072         New.
6073         (LANG_HOOKS_INITIALIZER): Update.
6074         * tree.c (recompute_tree_invarant_for_addr_expr): Call
6075         expr_to_decl langhook.
6076         * c-tree.h (c_expr_to_decl): Declare.
6077         * c-typeck.c (c_expr_to_decl): New.
6078         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
6079         specially.
6080         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
6081
6082 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
6083
6084         PR c/22308
6085         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
6086         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
6087
6088 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
6089
6090         * Makefile.in: Adjust dependencies.
6091         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
6092         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
6093         * alias.c (rest_of_handle_cfg, pass_cfg): New.
6094         * bb-reorder.c (duplicate_computed_gotos): Make it static.
6095         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
6096         rest_of_compilation.
6097
6098         * bb-reorder.c (gate_duplicate_computed_gotos,
6099         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
6100         rest_of_handle_reorder_blocks, pass_reorder_blocks,
6101         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
6102         pass_partition_blocks): New.
6103         * bt-load.c (gate_handle_branch_target_load_optimize,
6104         rest_of_handle_branch_target_load_optimize,
6105         pass_branch_target_load_optimize): New.
6106         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
6107         pass_jump2): New.
6108         * cfglayout.c (pass_insn_locators_initialize): New.
6109         * cfgrtl.c (pass_free_cfg): New.
6110         * combine.c (gate_handle_combine, rest_of_handle_combine,
6111         pass_combine): New.
6112         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
6113         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
6114         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
6115         * except.c (pass_set_nothrow_function_flags,
6116         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
6117         pass_rtl_eh): New.
6118         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
6119         rest_of_handle_shorten_branches, pass_shorten_branches,
6120         rest_of_clean_state, pass_clean_state): New.
6121         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
6122         rest_of_handle_remove_death_notes, pass_remove_death_notes,
6123         rest_of_handle_life, pass_life, rest_of_handle_flow2,
6124         pass_flow2): New.
6125         * function.c (pass_instantiate_virtual_regs, pass_init_function,
6126         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
6127         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
6128         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
6129         pass_gcse): New.
6130         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
6131         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
6132         pass_rtl_ifcvt, gate_handle_if_after_combine,
6133         rest_of_handle_if_after_combine, pass_if_after_combine,
6134         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
6135         pass_if_after_reload): New.
6136         * integrate.c (pass_initial_value_sets): New.
6137         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
6138         pass_purge_lineno_notes): New.
6139         * mode-switching.c (rest_of_handle_mode_switching,
6140         pass_mode_switching): New.
6141         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
6142         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
6143         pass_loop2): New.
6144         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
6145         pass_loop_optimize): New.
6146         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
6147         pass_sms): New.
6148         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
6149         pass_gcse2): New.
6150         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
6151         pass_postreload_cse): New.
6152         * profile.c (gate_handle_profiling, pass_profiling,
6153         rest_of_handle_branch_prob, pass_branch_prob): New.
6154         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
6155         pass_split_before_regstack, gate_handle_split_before_regstack,
6156         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
6157         rest_of_handle_split_all_insns, pass_split_all_insns): New.
6158         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
6159         pass_stack_regs): New.
6160         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
6161         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
6162         pass_stack_adjustments): New.
6163         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
6164         pass_regrename): New.
6165         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
6166         pass_delay_slots, gate_handle_machine_reorg,
6167         rest_of_handle_machine_reorg, pass_machine_reorg): New.
6168         * rtl.h (extern void purge_line_number_notes): New.
6169         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
6170         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
6171         pass_sched2): New.
6172         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
6173         pass_tracer): New.
6174         * value-prof.c (gate_handle_value_profile_transformations,
6175         rest_of_handle_value_profile_transformations,
6176         pass_value_profile_transformations): New.
6177         * var-tracking.c (gate_handle_var_tracking,
6178         pass_variable_tracking): New.
6179         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
6180
6181         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
6182         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
6183         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
6184         rest_of_handle_old_regalloc, rest_of_handle_regrename,
6185         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
6186         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
6187         rest_of_handle_gcse2, rest_of_handle_regmove,
6188         rest_of_handle_tracer, rest_of_handle_if_conversion,
6189         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
6190         rest_of_handle_web, rest_of_handle_branch_prob,
6191         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
6192         rest_of_handle_jump_bypass, rest_of_handle_combine,
6193         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6194         rest_of_handle_gcse, rest_of_handle_loop_optimize,
6195         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
6196         rest_of_handle_mode_switching, rest_of_handle_jump,
6197         rest_of_handle_eh, rest_of_handle_stack_adjustments,
6198         rest_of_handle_flow2, rest_of_handle_jump2,
6199         rest_of_handle_peephole2, rest_of_handle_postreload,
6200         rest_of_handle_shorten_branches, rest_of_clean_state,
6201         rest_of_compilation): Remove.
6202
6203         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
6204         * passes.c (dump_flags, in_gimple_form, all_passes,
6205         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6206         register_dump_files, next_pass_1, last_verified, execute_todo,
6207         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
6208         from tree-optimize.c.
6209         (init_optimization_passes): Moved from tree-optimize.c,
6210         adding the RTL optimizations.
6211         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
6212         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
6213         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6214         register_dump_files, next_pass_1, last_verified, execute_todo,
6215         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
6216         init_tree_optimization_passes, ipa_passes): Delete.
6217         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
6218         the RTL dumps.
6219         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
6220         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
6221         from tree.h.
6222         (ipa_passes): Remove.
6223         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
6224         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
6225         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
6226         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
6227         (dump_info_p, dump_flag): Moved to tree-dump.h.
6228
6229         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
6230         cgraph.c, opts.c.
6231         * passes.c (finish_optimization_passes): Use dump_begin
6232         and dump_end, TDI_end.
6233         (gate_rest_of_compilation): New.
6234         (pass_rest_of_compilation): Use it.
6235         (gate_postreload, pass_postreload): New.
6236         * toplev.c (general_init): Rename init_tree_optimization_passes.
6237         * toplev.h (init_tree_optimization_passes): Rename to
6238         init_optimizations_passes.
6239         * tree-dump.c (dump_flag): Make static.
6240         (dump_files): Remove RTL dumps.
6241         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
6242         pass_cleanup_cfg, pass_free_cfg_annotations,
6243         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
6244         pass_init_datastructures, pass_fixup_cfg): Make non-static.
6245         * tree-pretty-print.c: Include tree-pass.h.
6246         * cgraph.c: Include tree-dump.h.
6247
6248 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6249
6250         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
6251         Only fall back to saying it points to readonly memory if
6252         we can't do better.
6253
6254 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
6255
6256         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
6257         * config/m32r/m32r.c (m32r_compute_frame_size,
6258         m32r_expand_prologue): Take current_function_profile into
6259         account whenever we reference
6260         current_function_uses_pic_offset_table.
6261         (m32r_finalize_pic): Remove.
6262         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
6263
6264 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
6265
6266         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
6267         instead of $<.  Don't remove ./as if it already exists.
6268
6269 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6270
6271         PR target/21723
6272         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
6273         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
6274         for complex modes when generating code for PA 1.0.
6275         (VALID_FP_MODE_P): New macro.
6276         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6277         sets for all general and floating point modes.  Align wide floating
6278         point modes to even register boundaries to comply with architectural
6279         requirements.
6280         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
6281         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
6282         (VALID_FP_MODE_P): New macro.
6283         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6284         sets for all general and floating point modes.  Align wide floating
6285         point modes to even register boundaries to comply with architectural
6286         requirements.
6287
6288 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6289
6290         * tree-dump.c (dump_files): Initialize dump number for .cgraph
6291         to 0.
6292
6293 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6294
6295         * tree-ssa-structalias.c: Don't include expr.h.
6296
6297 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6298
6299         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
6300         comments.
6301
6302 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6303
6304         Fix PR tree-optimization/22279
6305
6306         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
6307         correct operator.
6308
6309 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
6310
6311         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
6312
6313 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6314
6315         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
6316         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
6317         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
6318         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
6319         config/stormy16/stormy16.c, config/v850/v850.c,
6320         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
6321         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
6322         Avoid "." or "\n" at end of diagnostics and capital letters at
6323         start of diagnostics.
6324         * combine.c, cse.c: Don't translate dump file output.
6325         * toplev.c (print_version): Only translate output if going to
6326         stderr.
6327
6328 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6329
6330         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
6331         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
6332         typos.
6333
6334 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6335
6336         * pa.c (fix_range): Fix typo in comment.
6337
6338 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6339
6340         * tree-vrp.c (extract_range_from_assert): Replace
6341         fold (build (...)) with fold_build2.
6342
6343 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6344
6345         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
6346         gcc_gfc_char_table, init_dynamic_gfc_info): New.
6347         (format_types_orig, handle_format_attribute): Add support for
6348         format "gcc_gfc".
6349
6350 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6351
6352         * varasm.c (assemble_variable): Fix format specifier thinko.
6353
6354 2005-07-03  Ira Rosen  <irar@il.ibm.com>
6355
6356         PR tree-optimization/22029 (and 22135)
6357         * tree-pretty-print.c (dump_generic_node): Check that the node is not
6358         a phi node before calling dump_vops.
6359
6360 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6361
6362         * tree-dump.h (dump_string_field): Declare.
6363         * tree-dump.c: Use it instead of dump_string.
6364         (dump_string_field): Make non-static.
6365
6366 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6367
6368         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
6369         up the minimal CFG stuff always when optimize > 0.  Call
6370         split_all_insns_noflow in PIC case if needed.
6371
6372 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6373             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
6374
6375         PR c++/18279
6376         * c-decl.c (c_write_global_declarations): Dump contents of
6377         external scope to.
6378         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
6379         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
6380         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
6381         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
6382         is enabled.
6383
6384 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6385
6386         * c-common.h (GCC_DIAG_STYLE): Define.
6387         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
6388         version for format checking to 4.1.
6389         * c-format.c: Include toplev.h after c-common.h.
6390         (enum format_type): Add gcc_tdiag_format_type.
6391         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
6392         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
6393         (format_types_orig): Add gcc_tdiag.
6394         (init_dynamic_diag_info): Support gcc_tdiag formats.
6395         (handle_format_attribute): Likewise.
6396         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
6397         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
6398         version for format checking to 4.1.
6399         (warning0, warning, error, pedwarn, sorry): Use
6400         ATTRIBUTE_GCC_DIAG.
6401         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
6402         (finish_aliases_1): Do not use %qE.
6403         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
6404         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
6405         Correct format bugs.
6406         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
6407         parameter to unsigned HOST_WIDE_INT.
6408         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
6409
6410 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
6411
6412         PR middle-end/21742
6413         * expr.c (write_complex_part): Use adjust_address for MEM.
6414         (read_complex_part): Same.
6415
6416 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
6417
6418         Fix PR tree-optimization/22280
6419
6420         * tree-sra.c (generate_element_init): Remove useless loop.
6421
6422 2005-07-02  Richard Henderson  <rth@redhat.com>
6423
6424         * config/alpha/alpha.c (alpha_legitimize_address): Check for
6425         TLS_MODEL_NONE.
6426         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
6427
6428 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
6429
6430         PR middle-end/14490
6431         * fold-const.c (fold_binary): Handle the return value of
6432         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
6433         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
6434
6435 2005-07-02  Jeff Law  <law@redhat.com>
6436
6437         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
6438         a eliminate type conversion which feeds an equality comparison
6439         if the original type or either operand in the comparison is a
6440         function pointer.
6441
6442 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
6443
6444         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
6445         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
6446         texts.
6447         * config/avr/avr.c: Do not use '`' as left quote.
6448         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
6449         Remove "." from end of diagnostics.  Make diagnostics start with
6450         lowercase letter.
6451
6452 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
6453             Joseph S. Myers  <joseph@codesourcery.com>
6454
6455         * toplev.c (default_tree_printer): Handle setting location with
6456         '+' flag.
6457         * c-objc.common.c (c_tree_printer): Likewise.
6458         * c-format.c (gcc_diag_flag_specs): Add '+'.
6459         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
6460         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
6461         formats.
6462         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
6463         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
6464         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
6465         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
6466         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
6467         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
6468         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
6469         format arguments where %J is used without %D.
6470
6471 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
6472
6473         * gcc.c (LINK_SSP_SPEC): Define.
6474         (link_ssp_spec): New variable.
6475         (LINK_COMMAND_SPEC): Add %(link_ssp).
6476         (static_specs): Add link_ssp_spec.
6477         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
6478         * configure: Rebuilt.
6479         * config.in: Rebuilt.
6480
6481         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6482         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6483         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6484         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6485         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
6486         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
6487         -0x7008(2) instead of reading __stack_chk_guard variable.
6488         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
6489         number.
6490         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
6491         (stack_protect_set, stack_protect_test): Use *_tls* patterns
6492         if TARGET_THREAD_SSP_OFFSET is defined.
6493         (stack_tls_protect_set_si, stack_tls_protect_set_di,
6494         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
6495
6496         Revert:
6497         2005-06-27  Richard Henderson  <rth@redhat.com>
6498         * libgcc-std.ver (GCC_4.1.0): New.
6499         * libgcc.h (__stack_chk_guard): Declare.
6500         (__stack_chk_fail, __stack_chk_fail_local): Declare.
6501         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
6502         * mklibgcc.in (lib2funcs): Add them.
6503
6504 2005-07-01  Richard Henderson  <rth@redhat.com>
6505
6506         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
6507         void * before struct sigcontext *.
6508         (x86_fallback_frame_state): Likewise.
6509
6510 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
6511
6512         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
6513
6514 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
6515
6516         PR tree-opt/22269
6517         * tree-ssa-reassoc.c (should_transpose): Fix which operand
6518         we check for SSA_NAME for.
6519
6520 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
6521
6522         Fix PR tree-optimization/22071
6523
6524         * tree-ssa-structalias.c (offset_overlaps_with_access): New
6525         function.
6526         (get_constraint_for_component_ref): Use it.
6527
6528 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
6529
6530         PR other/22264
6531         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
6532         print out the last new line.
6533
6534 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
6535
6536         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
6537         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
6538         * config/cris/cris.c (cris_conditional_register_usage): Adjust
6539         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
6540         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
6541         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
6542         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
6543         (enum reg_class): New member CC0_REGS.
6544         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
6545         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
6546         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
6547         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
6548         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6549         Adjust for register now described.
6550
6551 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
6552
6553         PR target/22262
6554         * config/i386/i386.md (stack_protect_test_si,
6555         stack_protect_test_di): Add earlyclobber for scratch 3.
6556         * config/rs6000/rs6000.md (stack_protect_testsi,
6557         stack_protect_testdi): Add earlyclobber for scratch 3,
6558         remove earlyclobber from scratch 4.
6559
6560 Older entries for 2005 can be found in ChangeLog-2005.