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PR 17886
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
2
3         PR 17886
4         * expmed.c (expand_shift): Move logic to reverse rotation
5         direction when  rotating by constants ...
6         * optabs.c (expand_binop): ... here.
7         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
8         (ix86_rotrdi3): New pattern.
9         (rotldi3): Handle 32-bit mode.
10         (ix86_rotldi3): New pattern.
11
12 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
13
14         PR target/24102
15         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
16         check for numbers that need no bit twiddle.
17
18 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
19
20         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
21         multilib to be built.
22
23         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
24         (stage1-start): Delete old libgcc and libunwind before moving
25         anything into the stage directory.
26         (stage2-start): Likewise.
27         (stage3-start): Likewise.
28         (stage4-start): Likewise.
29         (stageprofile-start): Likewise.
30         (stagefeedback-start): Likewise.
31         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
32         header in tm_file and CPU-specific t-darwin in tmake_file.
33         (i[34567]86-*-darwin*): Don't change tm_file.
34         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
35         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
36         shared library stub for target OS version.
37         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
38         (SHLIB_LINK): Don't make SHLIB_SOLINK.
39         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
40         (libgcc_s.%.dylib): New.
41         (LIBGCC): Define.
42         (install-darwin-libgcc-stubs): New.
43         (INSTALL_LIBGCC): New append.
44         * config/i386/darwin-libgcc.10.4.ver: New.
45         * config/i386/darwin-libgcc.10.5.ver: New.
46         * config/i386/t-darwin: New.
47         * config/rs6000/darwin-libgcc.10.4.ver: New.
48         * config/rs6000/darwin-libgcc.10.5.ver: New.
49         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
50         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
51
52 2005-09-28  Paul Brook  <paul@codesourcery.com>
53
54         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
55         denormals.
56
57 2005-09-28  Richard Guenther  <rguenther@suse.de>
58
59         PR tree-optimization/23853
60         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
61         host_integerp to verify misalignment value.
62
63 2005-09-28  Richard Henderson  <rth@redhat.com>
64
65         * builtins.c (get_builtin_sync_mode): New.
66         (expand_builtin_sync_operation): Pass in mode argument.
67         (expand_builtin_compare_and_swap): Likewise.
68         (expand_builtin_lock_test_and_set): Likewise.
69         (expand_builtin_lock_release): Likewise.
70         (expand_builtin): Update to match.
71
72 2005-09-28  Nick Clifton  <nickc@redhat.com>
73
74         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
75         formatting.  Add check to PLUS case to ensure that the offset is
76         within an acceptable range.
77
78         * config/v850/v850.md (casesi): Disable the generation of the
79         switch pattern as it is not being handled properly at the moment.
80
81         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
82         for when the high words are identical.
83
84 2005-09-27  Richard Henderson  <rth@redhat.com>
85
86         * pretty-print.c (pp_base_format): Fix typo for %>.
87
88 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
89             Devang Patel  <dpatel@apple.com>
90
91         PR tree-optimization/23625
92         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
93         LABEL_EXPR, assertion check.
94         
95 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
96
97         * optabs.c (no_conflict_move_test): Check if a result of a
98         to-be-moved insn would be clobbered by an originally
99         preceding insn.
100
101 2005-09-27  Jeff Law  <law@redhat.com>
102
103         * passes.c (init_optimization_passes): Replace copy propagation
104         passes immediately after DOM with phi-only copy propagation
105         pases.  Add phi-only copy propagation pass after first DOM pass.
106         * tree-pass.h (pass_phi_only_copy_prop): Declare.
107         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
108         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
109         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
110         to init_copy_prop.  Callers updated.
111         (do_phi_only_copy_prop): New function.
112         (pass_phi_only_copy_prop): New pass descriptor.
113
114 2005-09-27  Nick Clifton  <nickc@redhat.com>
115
116         * libgcc2.c (__popcount_tab): Remove redundant prototype.
117
118 2005-09-26  Jason Merrill  <jason@redhat.com>
119
120         PR c++/13764
121         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
122
123         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
124
125 2005-09-26  James E Wilson  <wilson@specifix.com>
126
127         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
128         copyright.  Add gcc copyright plus libgcc exception.
129         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
130         copyright.
131         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
132
133 2005-09-26  Jeff Law  <law@redhat.com>
134
135         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
136         about when to iterate.
137
138 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
139
140         PR target/23847
141         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
142         for __complex__ double in -mcpu=G5 mode.
143
144 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
145
146         PR tree-optimization/23942
147         * Makefile.in (SCEV_H): Depends on PARAMS_H.
148         * tree-scalar-evolution.c: Include params.h.
149         (t_bool): New enum.
150         (follow_ssa_edge, follow_ssa_edge_in_rhs,
151         follow_ssa_edge_in_condition_phi_branch,
152         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi): 
153         Change return type to t_bool.  Use a parameter to limit the size of
154         trees that are walked before stopping 
155         (analyze_evolution_in_loop): Initialize the limit to 0.
156         (follow_ssa_edge): Give up by returning t_dont_know if the limit 
157         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
158
159 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
160
161         PR middle-end/23831
162         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
163         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
164
165 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
166
167         * combine.c (make_extraction): Check for valid use of subreg.
168
169 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
170
171         PR target/24055
172         * config/i386/i386.md ("*fistdi2_1"): New pattern.
173         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
174         ("fist<mode>2_with_temp"): Use only register operands.
175
176 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
177
178         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
179         CALL_INSN_FUNCTION_USAGE.
180
181 2005-09-26  Richard Guenther  <rguenther@suse.de>
182
183         PR middle-end/15855
184         * gcse.c: Include hashtab.h, define ldst entry hashtable.
185         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
186         (ldst_entry): Use the hashtable instead of list-walking.
187         (find_rtx_in_ldst): Likewise.
188         (free_ldst_entry): Free the hashtable.
189         (compute_ld_motion_mems): Create the hashtable.
190         (trim_ld_motion_mems): Remove entry from hashtable if
191         removing it from list.
192         (compute_store_table): Likewise^2.
193         (store_motion): Free hashtable in case we did not see
194         any stores.
195
196 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
197
198         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
199         and arg1 if we are passing them to fold_build2.
200
201 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
202
203         PR 23828
204         * config/i386/i386.c (ix86_function_regparm): Fix the test for
205         a nested function.
206
207 2005-09-25  Richard Henderson  <rth@redhat.com>
208
209         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
210         SYMBOL_REF_TLS_MODEL to be correct.
211
212 2005-09-24  Richard Henderson  <rth@redhat.com>
213
214         * ipa-type-escape.c (discover_unique_type): Remove dead code at
215         end of function.  Reindent.
216
217 2005-09-24  Ian Lance Taylor  <ian@airs.com>
218
219         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
220         NEGATE_EXPR/BIT_NOT_EXPR case.
221
222 2005-09-24  Richard Henderson  <rth@redhat.com>
223
224         * c-common.c (handle_mode_attribute): When not modifying in place,
225         create subtypes for enumerations.
226         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
227         * gimplify.c (create_tmp_from_val): Likewise.
228
229 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
230
231         * config/i386/i386.md (*tls_global_dynamic_64,
232         *tls_local_dynamic_base_64): Add missing mode to call.
233         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
234
235 2005-09-24  Jan Hubicka  <jh@suse.cz>
236
237         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
238         (cgraph_clone_node): Likewise.
239         * cgraph.h (cgraph_clone_edge): Update prototype.
240         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
241         duplicated prototypes; add updating argument.
242         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
243         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
244         updating profile.
245         (cgraph_mark_inline_edge): Likewise.
246         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
247         (cgraph_flatten_node): Likewise.
248         (cgraph_decide_recursive_inlining): Likewise.
249         (cgraph_decide_inlining_of_small_function): Likewise.
250         * tree-optimize.c (tree_rest_of_compilation): Likewise.
251
252 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
253             Pete Steinmetz <steinmtz@us.ibm.com>
254
255         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
256         (rldic.): Set type to "compare".
257         (rldicr.): Same.
258         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
259         mfjmpr for MFCTR/MFLR.
260         (movdf_hardfloat64): Same.
261         (movdf_softfloat64): Same.  Correct order of store and move types.
262         (movti_string): Set type to store_ux/load_ux.
263         (load_multiple): Set type to load_ux.
264         (store_multiple): Set type to store_ux.
265         (movmemsi): Set type to store_ux.
266         (output_cbranch direct_return): Set type to jmpreg.
267         (stmw): Set type to store_ux.
268         (lmw): Set type to load_ux.
269         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
270         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
271         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
272         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
273         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
274         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
275         (rios1-fpstore): Increase latency to 3.
276         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
277         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
278
279 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
280             Andrew Pinski  <pinskia@physics.uc.edu>
281
282         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
283         operand2 constraint to "b".
284         (sync_<fetchop_name>di_internal): Same.
285         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
286         to "b".
287         (sync_old_<fetchop_name>di_internal): Same.
288         (sync_new_<fetchop_name>si_internal): Same.
289         (sync_new_<fetchop_name>di_internal): Same.
290
291 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
292
293         PR middle-end/23991
294         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
295         case, define as macros.
296
297         PR rtl-optimization/23837
298         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
299         clobber / clobber match between dest and p->first.
300
301         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
302         (no_conflict_move_test): Update comments.
303
304 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
305
306         * doc/install.texi: Update URL for Jacks.
307         * doc/sourcebuild.texi: Likewise.
308
309 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
310
311         PR target/24007
312         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
313         registers when choosing register preferences.
314         (movdf_hardfloat64): Same.
315
316 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
317
318         * expmed.c (expand_shift): Don't use the target of the rotate as
319         target for the first expanded shift insn.
320         * testsuite/gcc.dg/20050922-1.c: Testcase added.
321
322 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
323
324         PR tree-optimization/22438
325         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
326         preserved iv rhs rewriting specially.
327
328 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
329
330         * tree-data-ref.c (analyze_array_indexes): Only estimate when
331         estimate_only  is true.
332         * tree-flow.h (ref_contains_indirect_ref): New prototype.
333         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
334         tree-ssa-structalias.c 
335         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
336         ref_contains_indirect_ref.
337         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
338
339 2005-09-21  DJ Delorie  <dj@redhat.com>
340
341         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
342         MASK_PTR_A0D0.
343         (mn10300_return_in_memory): Support variable size types also.
344         (mn10300_pass_by_reference): Likewise.
345         (mn10300_function_value): New.
346         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
347         (FUNCTION_OUTGOING_VALUE): Likewise.
348         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
349         * doc/invoke.texi: Document it.
350
351 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
352
353         PR target/22585
354         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
355         force integer op1 into register for XFmode compares.
356
357 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
358
359         PR middle-end/23971
360         * expmed.c (alg_code): Add alg_impossible.
361         (alg_hash_entry): Add cost.
362         (synth_mult): Record alg_impossible in the hash table if
363         multiplication by a given integer is impossble within the
364         limit.  Speed up using alg_impossible.
365
366 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
367
368         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
369         argument.  Allow and set any offset if needs_anyoffset is passed
370         in.
371         (get_constraint_for): Add argument here too.
372         Pass it down.
373         (do_structure_copy): Pass NULL to get_constraint_for.
374         (handle_ptr_arith): Ditto.
375         (find_func_aliases): Ditto.
376
377 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
378
379         PR rtl-optimization/23898
380         * output.h (get_attr_min_length): Declare.
381         * final.c (get_attr_length_1): New function, broken out of:
382         (get_attr_length).
383         (get_attr_min_length): New function.
384         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
385         (duplicate_computed_gotos): Likewise.
386         * genattr.c (insn_min_length): Generate declaration.
387         * genattrtab.c (min_fn, min_attr_value): New functions.
388         (make_length_attrs): Generate insn_min_length.
389
390 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
391
392         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
393
394 2005-09-20  Richard Henderson  <rth@redhat.com>
395
396         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
397         EXPAND_STACK_PARM.
398
399 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
400
401         * c.opt (fextended-identifiers): New.
402         * c-opts.c (c_common_handle_option): Handle
403         -fextended-identifiers.
404         * doc/cpp.texi: Update documentation of extended identifiers.
405         * doc/cppopts.texi (-fextended-identifiers): Document.
406
407 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
408
409         PR tree-optimization/23929
410         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
411         if expr is NULL.
412
413         PR tree-optimization/23818
414         * tree-stdarg.c (execute_optimize_stdarg): Call
415         calculate_dominance_info.
416
417 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
418
419         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
420         (analyze_siv_subscript_cst_affine): Add weak SIV test.
421         (compute_overlap_steps_for_affine_1_2): Use
422         get_number_of_iters_for_loop.
423         (analyze_subscript_affine_affine): Check whether difference is
424         zero first.
425         Use get_number_of_iters_for_loop.
426         Check whether overlap occurs outside of bounds.
427         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
428
429 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
430
431         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
432         base register if possible.
433
434 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
435
436         PR tree-optimization/18463
437         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
438         converting it directly is not possible.
439         (chrec_convert_aggressive): New function.
440         * tree-chrec.h (chrec_convert_aggressive): Declare.
441         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
442         Fold chrec conversions aggressively if asked to.
443         (instantiate_parameters): Modified because of changes in
444         instantiate_parameters_1.
445
446 2005-09-19  Richard Henderson  <rth@redhat.com>
447
448         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
449         (reduc_splus_v2df): New.
450
451 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
452
453         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
454         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
455
456 2005-09-19  Richard Henderson  <rth@redhat.com>
457
458         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
459         vcondu<SSEMODE12>.
460
461 2005-09-19  Richard Henderson  <rth@redhat.com>
462
463         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
464         (ia64_expand_dot_prod_v8qi): New.
465         * config/ia64/ia64-protos.h: Update.
466         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
467         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
468         sdot_prodv8qi, sdot_prodv4hi): New.
469         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
470
471 2005-09-19  Richard Henderson  <rth@redhat.com>
472
473         PR 23941
474         * real.c (exact_real_truncate): Return false if the format cannot
475         represent the number as a normal.
476
477         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
478         for a memory source.
479
480 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
481
482         * tree-ssa-operands.c (swap_tree_operands): Export.
483         * tree.h (swap_tree_operands): Declare.
484         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
485         Call swap_tree_operands.
486         
487 2005-09-19  Richard Henderson  <rth@redhat.com>
488
489         * tree-flow.h (merge_alias_info): Declare.
490         * tree-ssa-copy.c (merge_alias_info): Export.
491         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
492         (vect_create_data_ref_ptr): Use create_iv directly.
493         (vectorizable_load): Use correct types for integer constants.
494         (vect_generate_tmps_on_preheader): Likewise.
495         (vect_gen_niters_for_prolog_loop): Likewise.
496
497 2005-09-19  Steven Bosscher  <stevenb@suse.de>
498
499         PR rtl-optimization/23943
500         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
501
502 2005-09-18  Jan Hubicka  <jh@suse.cz>
503
504         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
505
506 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
507
508         * varasm.c (output_constant): Do not abort on conversions to union
509         types between different sizes.
510
511 2005-09-18  Richard Guenther  <rguenther@suse.de>
512
513         PR middle-end/23944
514         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
515         fallback.
516
517 2005-09-18  Paul Brook  <paul@codesourcery.com>
518
519         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
520
521 2005-09-17  Richard Henderson  <rth@redhat.com>
522
523         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
524         * tree-ssa-loop.c (pass_vect_dce): Remove.
525         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
526         of pass_vectorize.
527
528 2005-09-17  Richard Henderson  <rth@redhat.com>
529
530         * tree-pass.h (pass_vect_dce): Declare.
531         * passes.c (init_optimization_passes): Add it.
532         * tree-flow.h (tree_ssa_dce): Declare.
533         * tree-ssa-dce.c (tree_ssa_dce): Export.
534         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
535         (gate_tree_vectorize): ... here.
536         (pass_vect_dce): New.
537
538 2005-09-17  Jan Hubicka  <jh@suse.cz>
539
540         * except.c (struct eh_status): Turn region_array into vec.
541         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
542         convert_from_eh_region_ranges, find_exception_handler_labels, 
543         current_function_has_exception_handlers, assign_filter_values, 
544         build_post_landing_pads, dw2_build_landing_pads,
545         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
546         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
547         foreach_reachable_handler, can_throw_internal_1,
548         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
549         region_array.
550         (duplicate_eh_region_1): Update region_array.
551         (duplicate_eh_regions): Resize region_array and avoid recomputing.
552
553 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
554
555         PR middle-end/22067
556         * expmed.c (expand_mult): Substitute simple register for op0 when
557         computing max_cost.
558
559 2005-09-17  Richard Henderson  <rth@redhat.com>
560
561         * expr.c (emit_move_via_integer): Add force argument, pass it on
562         to emit_move_change_mode.  Update callers.
563         (emit_move_complex): Pass true to new force argument.
564         * function.c (expand_function_end): Move expand_eh_return call
565         earlier.  Merge sub-word complex values into a pseudo before
566         copying to the return hard register.
567
568 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
569
570         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
571         between different sizes.
572
573 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
574
575         PR 23903
576
577         * passes.c (init_optimization_passes): Register dump files for
578         IPA passes first.
579
580 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
581
582         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
583         * config/s390/s390.c (s390_overlap_p): New function.
584         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
585         peephole2, "*xc" peephole2): Added overlap check to the peephole2
586         condition.
587
588 2005-09-16  Richard Guenther  <rguenther@suse.de>
589
590         * ipa-pure-const.c (static_execute): Free auxiliar information.
591         * ipa-type-escape.c (discover_unique_type): Free temporary key.
592         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
593
594 2005-09-15  DJ Delorie  <dj@redhat.com>
595
596         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
597
598 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
599
600         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
601         to order operands.
602         (swap_commutative_operands_with_target): New.
603
604 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
605
606         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
607         parameter.
608         Update callers.
609         (estimate_iters_using_array): New function.
610         * tree-data-ref.h (estimate_iters_using_array): Prototype
611         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
612         Use estimate_iters_using_array instead of analyze_array.
613         
614 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
615
616         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
617         as addressable.
618
619 2005-09-15  Michael Matz  <matz@suse.de>
620
621         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
622
623 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
624
625         PR tree-optimization/23835
626         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
627         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
628
629 2005-09-14  Richard Henderson  <rth@redhat.com>
630
631         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
632         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
633
634 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
635
636         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
637         in the ARRAY_TYPE case.
638
639 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
640
641         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
642
643 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
644
645         PR middle-end/22480
646         * tree-vect-transform.c (vectorizable_operation): Return false for
647         scalar shift operations and for vector shift operations with
648         non-invariant shift arguments.  Use scalar tree operand op1 as
649         a shift operand when vector shift insn pattern uses scalar shift
650         operand.
651         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
652
653 2005-09-14  Olivier Hainque  <hainque@adacore.com>
654
655         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
656         value if it has side-effects.
657
658 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
659
660         PR target/22068
661         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
662
663 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
664
665         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
666         passed as NAME as if it were label at start of function code.
667
668 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
669
670         * config/sh/sh.md (*movv4sf_i): Add general register cases to
671         the constraints.
672
673 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
674
675         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
676         as early clobber.  Rewrite so the PIC register is not implicitly used.
677
678 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
679
680         * tree.c (annotate_with_file_line): Compare line numbers before
681         file names.
682
683 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
684
685         PR target/23816
686         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
687         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
688
689 2005-09-13  Ian Lance Taylor  <ian@airs.com>
690
691         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
692         than a HOST_WIDEST_INT to gen_doloop_begin.
693
694 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
695
696         * tree-dfa.c (dump_variable): Guard against NULL annotations.
697
698 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
699
700         PR tree-optimize/23817
701         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
702
703 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
704
705         PR target/23774
706         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
707         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
708         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
709         (restore_stack_nonlocal): Likewise.
710         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
711
712 2005-09-12  Ian Lance Taylor  <ian@airs.com>
713
714         PR g++/7874
715         * c.opt (ffriend-injection): New C++ option.
716         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
717         (C++ Dialect Options): Document -ffriend-injection.
718
719 2005-09-12  Josh Conner  <jconner@apple.com>
720
721         PR middle-end/23237
722         * ipa-reference.c (static_execute): Don't mark variables in
723         named sections TREE_READONLY.
724
725 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
726
727         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
728         stack_tie.
729
730 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
731
732         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and 
733         V_MUST_DEF instead of just the first_use_p.
734         Don't mark the virtual variables for renaming on the statement which 
735         is being removed.
736         (pass_dse): Remove TODO_update_ssa.
737
738 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
739
740         PR middle-end/23290
741         * stor-layout.c (compute_record_mode): For records with a single
742         field, actually check the field's mode size against the type size.
743
744         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
745         registers for TARGET_SHMEDIA.
746         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
747         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
748         of GENERAL_REGS and FP_REGS.
749
750 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
751
752         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
753
754 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
755
756         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
757         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
758         are omitted.  Exclude stack_tie insn too.
759
760 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
761
762         PR rtl-optimization/23098
763         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
764         0.0f is easy.
765         * config/rs6000/rs6000.md (movdf splitter): Use
766         const_double_operand predicate for TARGET_POWERPC64.
767         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
768         SYMBOL_REF method to ABI_V4.
769
770         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
771         replace_equiv_address.
772         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
773         rs6000_sr_alias_set and MEM_NOTRAP.
774         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
775
776 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
777
778         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
779         handle CALL_EXPR again.
780
781 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
782
783         * arm/predicates.md (alignable_memory_operand): Delete.
784
785 2005-09-10  Richard Henderson  <rth@redhat.com>
786
787         PR debug/23806
788         * dbxout.c (dbxout_expand_expr): New.
789         (dbxout_symbol): Use it.
790
791 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
792
793         * arm.c (arm_gen_rotated_half_load): Delete.
794         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
795         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
796         (thumb_set_return_address): Likewise.
797         (thumb_load_double_from_address): Use adjust_address.
798         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
799         (extendhsisi2_mem, movhi_bytes): Use change_address.
800         (movhi): Use widen_memory_access.
801         (reload_out_df): Use replace_equiv_address.
802         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
803
804 2005-09-09  Richard Henderson  <rth@redhat.com>
805
806         PR debug/20998
807         * dbxout.c: Include expr.h.
808         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
809         (dbxout_symbol): Handle DECL_VALUE_EXPR.
810         * Makefile.in (dbxout.o): Add EXPR_H.
811
812 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
813
814         PR tree-optimization/23509
815         * tree-cfg.c (replace_uses_by): Use replace_exp.
816         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
817         pointers have name_mem_tag or type_mem_tag set.
818
819 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
820
821         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use 
822         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
823         of wrongly accessing operands.
824
825 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
826
827         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
828         * tree-chrec.c: Include tree-scalar-evolution.h.
829         (chrec_convert): Instantiate the base and step before calling
830         scev_probably_wraps_p that would fail on parametric evolutions.
831         Collect all the fails into a single section failed_to_convert,
832         print a diagnostic, and return chrec_dont_know instead of calling
833         fold_convert.
834         * tree-scalar-evolution.c (loop_closed_phi_def): New.
835         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
836         phi nodes.
837         (scev_const_prop): Don't replace the definition of a loop closed ssa
838         phi node by itself, or by another loop closed ssa phi node.
839         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
840         that base and step are defined.
841
842 2005-09-09  Richard Guenther  <rguenther@suse.de>
843
844         PR c++/23624
845         * fold-const.c (fold_ternary): Check truth_value_p before
846         calling invert_truthvalue.
847
848 2005-09-09  Nick Clifton  <nickc@redhat.com>
849
850         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
851         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
852         dimension of these arrays.
853         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
854         these arrays.
855         * longlong.h: Only provide a prototype for the __clz_tab[] array
856         if this header has not been included from libgcc2.h.
857         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
858         defining own types.
859         Provide prototypes for exported functions.
860         Use the __clz_tab[] and __popcount_tab[] arrays provided by
861         libgcc2.c.
862
863 2005-09-08  Josh Conner  <jconner@apple.com>
864
865         PR c++/21135
866         PR c++/23180
867         * expr.c (expand_expr_addr_expr_1): Don't invoke
868         expand_simple_binop for EXPAND_INITIALIZER.
869
870 2005-09-08  Richard Henderson  <rth@redhat.com>
871
872         PR debug/23190
873         * toplev.c (wrapup_global_declaration_1): Split out ...
874         (wrapup_global_declaration_2): ... from ...
875         (wrapup_global_declarations): ... here.  Return bool.
876         (check_global_declaration_1): Split out ...
877         (check_global_declarations): from here.
878         (emit_debug_global_declarations): New.
879         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
880         check_global_declaration_1, emit_debug_global_declarations): Declare.
881         * c-decl.c (c_write_global_declarations_1): Don't create a vector
882         of decls.  Call wrapup_global_declaration_1,
883         wrapup_global_declaration_2, check_global_declaration_1 directly.
884         (c_write_global_declarations_2): New.
885         (ext_block): New.
886         (c_write_global_declarations): Call c_write_global_declarations_2.
887         * langhooks.c (write_global_declarations): Call
888         emit_debug_global_declarations.
889
890         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
891         remove decls that have DECL_RTL_SET_P.
892         * passes.c (rest_of_decl_compilation): Invoke
893         cgraph_varpool_finalize_decl for all but functions.
894
895 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
896
897         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
898         the result of a conversion if the new min and max cannot be compared.
899
900 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
901
902         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
903         (override_options): Setting s390_sr_alias_set removed.
904         (save_fpr, save_gprs): Set alias set to vararg or frame.
905         (restore_fpr, restore_gprs, s390_emit_prologue): Replace 
906         s390_sr_alias_set with get_frame_alias_set ().
907         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
908         get_varargs_alias_set ().
909
910 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
911
912         PR objc/20574
913         PR objc/19324
914         * c-parser.c (c_parser_objc_method_definition): If the next
915         token is not "{", error out and don't start the function.
916
917 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
918
919         * tree-vrp.c (extract_range_from_expr): Move the check for non
920         nullness after the check for gimple invariant.
921
922 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
923
924         * tree.c (host_integerp, tree_low_cst): Correct function comment.
925
926 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
927
928         PR target/23747
929         * config/m32r.md (movmemsi_internal): Canonicalize order of
930         operands in PLUS component of template.
931
932 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
933
934         * reload1.c (fixup_eh_region_note): Remove assertion.
935         (fixup_abnormal_edges): Reverted removal of call to 
936         find_many_sub_basic_blocks made on 2005-08-31.
937
938 2005-09-07  Richard Henderson  <rth@redhat.com>
939
940         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
941         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
942         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
943         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
944         rearrange for better packing.
945         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
946         (lookup_cfa_1): Remove inline marker.
947         (cfa_equal_p): Split out of ...
948         (def_cfa_1): ... here.  Use INVALID_REGNUM.
949         (build_cfa_loc): Handle !cfa->indirect.
950         (frame_pointer_cfa_offset): New.
951         (dbx_reg_number): Assert register elimination performed; do
952         leaf register remapping.
953         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
954         (eliminate_reg_to_offset): New.
955         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
956         for verifiably local stack frame addresses; re-base to CFA.
957         (mem_loc_descriptor): Remove can_use_fbreg argument.
958         (concat_loc_descriptor, loc_descriptor): Likewise.
959         (containing_function_has_frame_base): Remove.
960         (rtl_for_decl_location): Don't do register elimination or
961         leaf register remapping here.
962         (secname_for_decl): Split out from ..
963         (add_location_or_const_value_attribute): ... here.
964         (convert_cfa_to_loc_list): New.
965         (compute_frame_pointer_to_cfa_displacement): New.
966         (gen_subprogram_die): Use them.
967         * tree.h (frame_base_decl): Remove.
968         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
969         (prologue_stack_adjust): Remove.
970         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
971         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
972         (set_frame_base_location): Remove.
973         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
974         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
975         (vt_add_function_parameters): Don't eliminate_regs.
976         (vt_initialize): Don't create frame_base_decl.
977
978 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
979
980         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
981         version of GNU binutils for 4.x and later.
982
983 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
984
985         * ggc-page.c (ggc_push_context): Remove.
986         (ggc_pop_context): Likewise.
987         * ggc.h (ggc_push_context): Remove.
988         (ggc_pop_context): Likewise.
989
990 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
991
992         PR target/8973
993         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
994         returning from an interrupt handler.
995
996 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
997
998         PR target/8972
999         * config/arc/arc.c (output_shift): Add check for loop count when
1000         optimizing.
1001
1002 2005-09-06  Steven Bosscher  <stevenb@suse.de>
1003
1004         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
1005         form manually.
1006         (abs_replacement): Likewise.
1007         (pass_phiopt): Remove TODO_update_ssa.
1008
1009 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
1010
1011         PR c/23075
1012         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
1013         if "return with no value, in function returning non-void" warning
1014         has been issued.
1015         * tree-cfg.c (execute_warn_function_return): Don't look at
1016         RETURN_EXPRs with TREE_NO_WARNING set.
1017
1018         PR target/22362
1019         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
1020         for internal functions doesn't use registers used by global registers
1021         variables.  Use fewer register parameters if there are global register
1022         variables.
1023
1024 2005-09-06  Olivier Hainque  <hainque@adacore.com>
1025             Eric Botcazou  <ebotcazou@adacore.com>
1026
1027         PR middle-end/14997
1028         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
1029         when we would be extracting outside its bit span (bitpos+bitsize
1030         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
1031         Ada unchecked conversions.
1032
1033 2005-09-06  Steven Bosscher  <stevenb@suse.de>
1034
1035         * tree-ssa-pre.c (try_look_through_load): New function.
1036         (compute_avail): Use it to try to look through loads for some
1037         more useful expressions.
1038
1039 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
1040
1041         * simplify-rtx.c (simplify_binary_operation_1): Correct the 
1042         condition for detecting cases like (a&a) and (a^a).
1043
1044 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
1045
1046         * common.opt: Add option ftree-vect-loop-version.
1047         * params.def: Add --param vect-max-version-checks.
1048         * doc/invoke.texi: Document ftree-vect-loop-version and
1049         --param vect-max-version-checks.
1050         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
1051         may_misalign_stmts and defines for accessors.
1052         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
1053         LOOP_VINFO_MAY_MISALIGN_STMTS.
1054         (destroy_loop_vec_info): VEC_free for
1055         LOOP_VINFO_MAY_MISALIGN_STMTS.
1056         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
1057         Update documentation.
1058         (vect_update_misalignment_for_peel): New.
1059         (vect_enhance_data_refs_alignment): Update to choose loop
1060         peeling or loop versioning if appropriate for the (potentially)
1061         unaligned data references in the loop.
1062         (vect_analyze_data_refs_alignment): Remove call to
1063         vect_enhance_data_refs_alignment so the checks can be done
1064         earlier.
1065         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
1066         and move up call to vect_analyze_data_refs_alignment.
1067         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
1068         (vect_transform_loop): Add call to loop_version.
1069
1070 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
1071
1072         PR rtl-optimization/23098
1073         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
1074         * simplify-rtx.c (constant_pool_reference_p): New function.
1075         * rtl.h (constant_pool_reference_p): New prototype.
1076         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
1077         constant_pool_reference_p in condition and
1078         avoid_constant_pool_reference in preparation statements.
1079
1080 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
1081
1082         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for 
1083         STRICT_LOW_PART SETs.
1084
1085 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
1086
1087         PR middle-end/21460
1088         * except.c (sjlj_emit_function_enter): Find the function begin
1089         note even when it's not in first basic block.
1090
1091 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
1092
1093         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
1094         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
1095         * aclocal.m4: Regenerate.
1096
1097 2005-09-05  DJ Delorie  <dj@redhat.com>
1098
1099         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
1100         of macro.
1101
1102 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
1103
1104         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
1105         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
1106         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
1107         Follow spelling conventions.
1108         * doc/invoke.texi: Follow spelling conventions.
1109
1110 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
1111
1112         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
1113         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
1114         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
1115
1116 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
1117
1118         PR target/23683
1119         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
1120         (output_stack_adjust): Use gen_tmp_stack_mem.
1121         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
1122         (sh_set_return_address, sh_allocate_initial_value): Likewise.
1123         (sh_get_pr_initial_val): Likewise.
1124         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
1125         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
1126         * sh.md (divsi_inv_m0): Use gen_const_mem.
1127         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
1128         (movdf_i4+1): Use gen_tmp_stack_mem.
1129         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
1130         (fpu_switch+2): Likewise.
1131         (movv4sf_i, movv16sf_i): Use adjust_address.
1132         (symGOT_load): Set MEM_NOTRAP_P bit.
1133
1134 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1135
1136         PR target/23721
1137         * pa.c (emit_move_sequence): Fix typo in last change.
1138
1139 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
1140
1141         PR rtl-optimization/23454
1142         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
1143         is true.
1144
1145 2005-09-03  Richard Henderson  <rth@redhat.com>
1146             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1147
1148         PR middle-end/23671
1149         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
1150         gen_rtx_MEM.
1151
1152 2005-09-02  Nicolas Pitre <nico@cam.org>
1153
1154         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
1155         to bit_count to 32 bits.
1156
1157 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
1158
1159         PR c++/23167
1160         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
1161         generating synthetic loads from volatile lvalues.
1162
1163 005-09-02  Nick Clifton  <nickc@redhat.com>
1164
1165         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
1166         __ctzhi2, __clzhi2): New functions.
1167
1168 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
1169
1170         PR middle-end/23547
1171         * tree-nested.c (struct var_map_elt): Mark with GTY.
1172         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
1173         var_map_elt.
1174         (lookup_field_for_decl): Allocate new element in GC memory.
1175         (lookup_tramp_for_decl): Likewise.
1176         (convert_nl_goto_reference): Likewise
1177         (create_nesting_tree): Allocate info in GC memory. Likewise for
1178         info->var_map.
1179         (free_nesting_tree): Free with ggc_free instead of free.
1180         (root): New static variable.
1181         (lower_nested_functions): Remove root as local variable.  And zero out
1182         root at the end of the function.
1183
1184 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
1185
1186         PR rtl-optimization/20365
1187         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
1188         to short.  New member ix.
1189         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
1190         (simplify_plus_minus): Initialize ix members before calling qsort.
1191
1192 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
1193
1194         PR tree-optimization/23626
1195         * tree-cfg.c (replace_uses_by): Clean up eh info.
1196
1197 2005-09-01  DJ Delorie  <dj@redhat.com>
1198
1199         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
1200         fprintf.
1201
1202 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
1203
1204         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
1205         (rs6000_split_multireg_move): Use replace_equiv_address instead of
1206         gen_rtx_MEM.
1207
1208 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
1209
1210         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
1211         do not issue warning for a variable definition following
1212         a declaration.
1213
1214 2005-09-01  Richard Henderson  <rth@redhat.com>
1215
1216         PR 23668
1217         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
1218         conversion to CONST_VECTOR.
1219
1220 2005-09-01  Richard Henderson  <rth@redhat.com>
1221
1222         PR 23676
1223         * reload1.c (reload_as_needed): Check !CALL_P before calling
1224         fixup_eh_region_note.
1225         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
1226
1227 2005-09-01  DJ Delorie  <dj@redhat.com>
1228
1229         * varasm.c (output_constant): Let the target resolve
1230         conversions of addresses to non-default pointer sizes.
1231
1232 2005-09-01  Nicolas Pitre <nico@cam.org>
1233
1234         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
1235         to alow matching ARM pre-indexed addressing mode.
1236         (arm_override_options): Remove now irrelevant comment.
1237
1238 2005-09-01  Phil Edwards  <phil@codesourcery.com>
1239
1240         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
1241         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
1242         * config/i386/vxworks.h:  Likewise.
1243         * config/i386/t-vxworksae:  New file, for VxWorks AE.
1244         * config/i386/vxworksae.h:  Likewise.
1245
1246 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
1247
1248         PR tree-optimization/23410
1249         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
1250         sequence is not wrapping during the first step.
1251
1252 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
1253
1254         PR debug/7241
1255         * dwarf2out.c (base_type_die): Compare char_type_node with
1256         TYPE_MAIN_VARIANT (type), not type.
1257
1258 2005-09-01  Richard Guenther  <rguenther@suse.de>
1259
1260         PR tree-optimization/15366
1261         * common.opt: Add -finline-functions-called-once.
1262         Put -fearly-inlining in alphabetically ordered place.
1263         * doc/invoke.texi: Document new option.
1264         * ipa-inline.c (cgraph_decide_inlining): Honour
1265         flag_inline_functions_called_once.
1266
1267 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
1268
1269         PR rtl-optimization/23478
1270         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
1271         (alloc_qty): Initialize it.
1272         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
1273         (combine_regs): Combine also n_throwing_calls_crossed fields.
1274         (find_free_reg): Don't attempt to caller-save pseudos crossing
1275         calls that might throw.
1276         * global.c (struct allocno): Add throwing_calls_crossed field.
1277         (global_alloc): Revert 2005-08-22 change.  Initialize
1278         throwing_calls_crossed.
1279         (find_reg): Don't attempt to caller-save pseudos crossing calls that
1280         might throw.
1281
1282 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
1283
1284         PR target/23649
1285         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
1286         (mask64_operand): Reinstate code prior to 2005-06-11 change.
1287         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
1288         (and64_2_operand): Tweak to use predicate.
1289         (and_operand): Adjust for mask_operand changes.
1290         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
1291         (print_operand): Likewise.
1292         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
1293         (mask64_1or2_operand): Delete.
1294         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
1295         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
1296         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
1297         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
1298         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
1299         (rotldi3_internal4): Likewise.
1300         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
1301         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
1302         (ashldi3_internal7): Likewise.
1303         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
1304         (ashldi3_internal, ashldi3_internal9 split): Likewise.
1305         (anddi3 split): Don't match mask64_operand.
1306         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
1307         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
1308         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
1309         't' splitter predicate.
1310         (movdi_internal64 + 2): Revert 2005-06-11 change.
1311
1312 2005-08-31  DJ Delorie  <dj@redhat.com>
1313
1314         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
1315         (m32c_asm_integer): Add support for 32 bit pointers.
1316
1317 2005-08-31  Richard Henderson  <rth@redhat.com>
1318
1319         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
1320         component-like references for setting MEM_NOTRAP_P.
1321
1322         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
1323         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
1324
1325 2005-08-31  Richard Henderson  <rth@redhat.com>
1326
1327         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
1328         into a pseudo before applying gen_lowpart.
1329
1330 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
1331
1332         * doc/install.texi (Specific): Update cctools version required
1333         for full functionality.
1334         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
1335         linkers as -macosx_version_min.
1336
1337 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
1338
1339         PR target/21255
1340         * sh.c (print_operand, %R and %S): Add handling of floating point
1341         registers, memory, constants and invalid operands.
1342
1343 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
1344
1345         * ipa-pure-const.c: Change dump name.
1346
1347 2005-08-31 Uros Bizjak <uros@kss-loka.si>
1348
1349         PR target/23570
1350         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
1351         to "reg_or_0_operand".
1352         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
1353
1354 2005-08-31  Dale Johannesen  <dalej@apple.com>
1355
1356         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
1357         loops that count down.
1358
1359 2005-08-31  Richard Henderson  <rth@redhat.com>
1360
1361         PR rtl-opt/23601
1362         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
1363         (fixup_eh_region_note): New.
1364         (reload_as_needed): Call it.
1365         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
1366         don't call find_many_sub_basic_blocks; call verify_flow_info.
1367         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
1368         (keep_stack_depressed): Likewise.
1369         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
1370
1371 2005-08-31  Richard Henderson  <rth@redhat.com>
1372
1373         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
1374         fp return matching.
1375
1376 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
1377
1378         * expr.c (expand_expr_real_1): Compare size of address 
1379         mode to target's address mode size in deciding expansion of 
1380         the constant address.
1381
1382 2005-08-31  Richard Guenther  <rguenther@suse.de>
1383
1384         PR middle-end/23477
1385         * expr.c (all_zeros_p): New function.
1386         (expand_expr_real_1): Handle the case of an all-zero
1387         non-addressable constructor separately.
1388
1389 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
1390
1391         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
1392         arguments, adjust all callers.
1393         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
1394
1395 2005-08-30  Richard Henderson  <rth@redhat.com>
1396
1397         PR target/23630
1398         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
1399         whenever the mode sizes match.
1400
1401 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
1402
1403         * calls.c (load_register_parameters): Fix comment typo.
1404         * expr.c (emit_push_insn): Comment formatting.
1405
1406 2005-08-30  Ian Lance Taylor  <ian@airs.com>
1407
1408         * config/i386/x-cygwin (host-cygwin): Change dependency from
1409         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
1410
1411 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
1412
1413         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
1414         parts of 'vals'.
1415
1416 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
1417
1418         PR middle-end/23408
1419         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
1420         call to ggc_collect.
1421
1422 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
1423
1424         PR bootstrap/21268
1425         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
1426         beginning.  Remove $(INCLUDES) from all the rules, if following
1427         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
1428
1429 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
1430
1431         PR middle-end/23484
1432         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
1433         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
1434         not constant, but maxlen is, don't set len to maxlen, rather
1435         set maxlen to len if len is a constant.
1436
1437 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
1438
1439         PR tree-optimization/23475
1440         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
1441         and counts.
1442
1443 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
1444
1445         Fix PR middle-end/22455
1446
1447         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
1448         Checksum only the parts of the tree that exist for the tree code.
1449
1450 2005-08-28  Dale Johannesen  <dalej@apple.com>
1451
1452         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
1453
1454 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
1455
1456         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
1457
1458 2005-08-28  Richard Henderson  <rth@redhat.com>
1459
1460         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
1461         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
1462         of char_type_node.
1463
1464 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
1465
1466         PR ada/23593
1467         * builtins.c (get_memory_rtx): Don't strip nops
1468         in between COMPONENT_REFs.
1469
1470 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
1471
1472         PR middle-end/23463
1473         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
1474         types.
1475         (gimplify_modify_expr): Check for zero sized types and gimplify the
1476         rhs and lhs as statements.
1477
1478 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
1479
1480         PR libgcj/23508
1481         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
1482         state for return address column of signal frames.
1483
1484 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
1485
1486         PR target/23539
1487         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
1488         bytes >= 2 not bytes == 2.
1489         (expand_block_move): Same.
1490
1491 2005-08-27  Richard Guenther  <rguenther@suse.de>
1492
1493         PR target/23575
1494         * config/i386/sse.md (sse2_movsd): Add missing closing
1495         braces.
1496
1497 2005-08-27  Paul Brook  <paul@codesourcery.com>
1498
1499         * genrecog.c (enum decision_type): Add DT_num_insns.
1500         (struct decision_test): Add u.num_insns.
1501         (add_to_sequence): Add DT_num_insns test.
1502         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
1503         (write_cond, debug_decision_2): Ditto.
1504         (change_state): Assume peep2_next_insn never fails.
1505         Remove "afterward" argument.
1506         (write afterward, write_tree): Update to match.
1507         * recog.c (peep2_current_count): New variable.
1508         (peep2_next_insn): Check it.
1509         (peephole2_optimize): Set peep2_current_count.
1510         * recog.h (peep2_current_count): Declare.
1511
1512 2005-08-26  Josh Conner  <jconner@apple.com>
1513
1514         PR middle-end/23584
1515         * ipa-pure-const.c (check_tree): Check for volatile-ness
1516         when considering a dereference.
1517
1518 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
1519
1520         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
1521
1522 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1523
1524         PR rtl-optimization/23561
1525         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
1526         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
1527         at most LEN bytes long memory fits into the field.
1528         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
1529         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
1530         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
1531
1532 2005-08-26  Richard Henderson  <rth@redhat.com>
1533
1534         PR rtl-opt/23560
1535         * loop.c (biased_biv_may_wrap_p): New.
1536         (maybe_eliminate_biv_1): Use it to suppress non-equality
1537         comparison transformations.  Delete disabled code.
1538
1539 2005-08-26  Ian Lance Taylor  <ian@airs.com>
1540
1541         * combine.c (make_extraction): Avoid reference outside object.
1542
1543 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
1544
1545         * stor-layout.c (finalize_type_size): Restore behaviour for
1546         non-aggregate types to the status quo ante of the patch for
1547         pr 23467.  Document why it matters.
1548
1549 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
1550
1551         PR c/23506
1552         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
1553         array by one element, initialize the BT_LAST element with NULL.
1554
1555 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
1556
1557         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
1558         optimizing for size.
1559         (plus_eqsi): Same.
1560         (compare_plus_eqsi): Same.
1561         (plus_eqsi_compare): Same.
1562         (neg_eq0<mode>): Same.
1563         (neg_eq<mode>): Same.
1564
1565         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
1566         PROCESSOR_POWER4.
1567
1568 2005-08-26  Nick Clifton  <nickc@redhat.com>
1569
1570         * config/v850/v850.c (ep_memory_operand): Return FALSE if
1571         TARGET_EP is not defined.
1572         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
1573         TARGET_EP is enabled.
1574         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
1575         * config/v850/v850.md (save_all_interrupt): Only use the EP
1576         register if TARGET_EP is defined.
1577         (restore_all_interrupt): Likewise.
1578         * config/v850/lib1funcs.asm: Update functions so that the EP
1579         register is only used if __EP__ is defined.
1580
1581 2005-08-26  David Ung  <davidu@mips.com>
1582
1583         * config/mips/mips.c (mips_expand_prologue): Handle case when
1584         generating for MIPS16 and the outgoing argument area is more than
1585         SMALL_OPERAND. Use the frame pointer as temporary to generate the
1586         add instruction.
1587
1588 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
1589
1590         * config/crx/crx.md: Make doloop_end pattern usage controllable
1591         via mloop-nesting=<max-nesting> command line switch. Make sure
1592         the combiner cannot use doloop_end_<mode> in an illegal way.
1593         * config/crx/crx.c: Use regs up to r6 for argument passing.
1594         Refine crx_address_cost (non cst4 displacements are expensive).
1595         * config/crx/crx.opt: Add switch for mloop-nesting=.
1596
1597 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
1598
1599         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
1600         (UNSPEC_MVST): New constant.
1601
1602 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
1603
1604         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
1605         Reject operands containing eliminable registers.
1606         * testsuite/gcc.dg/20050825-1.c: New testcase.
1607
1608 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1609             Jan Hubicka  <jh@suse.cz>
1610
1611         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
1612
1613 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1614
1615         PR tree-optimization/23546
1616         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
1617         and REAL_CST nodes.
1618
1619 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
1620
1621         * params.def (PARAM_MIN_SPEC_PROB): New.
1622         * sched-rgn.c (MIN_PROBABILITY): Delete.
1623         (compute_trg_info): Convert to PARAM_VALUE.
1624         * doc/invoke.texi (param): Document min-spec-prob.
1625
1626 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
1627
1628         * config/darwin.h: define __PIC__
1629         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
1630         TARGET_OS_CPP_BUILTINS macro.
1631
1632 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1633
1634         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
1635         yesterday.
1636
1637 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
1638
1639         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
1640         to duplicate_block.
1641         * cfghooks.c (duplicate_block): Added position where to place
1642         new block as argument.
1643         * cfghooks.h (duplicate_block): Declaration changed.
1644         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
1645         duplicate_block.
1646         * cfglayout.h (copy_bbs): Declaration changed.
1647         * cfgloop.h (loop_version): Declaration changed.
1648         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
1649         position to copy_bbs.
1650         (loop_version): Pass position to duplicate_loop_to_header_edge.
1651         Add place_after argument and position new blocks according to
1652         it.
1653         * modulo-sched.c (sms_schedule): Pass place_after argument
1654         to loop_version.
1655         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
1656         * tree-cfg.c (split_edge_bb_loc): New function.
1657         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
1658         to determine position of new blocks.
1659         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
1660         to loop_version.
1661         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
1662         argument to duplicate_block.
1663         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
1664         Pass position to copy_bbs.
1665
1666 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
1667
1668         * fold-const.c (ptr_difference_const): Use
1669         cst_and_fits_in_hwi instead of host_integerp.
1670
1671 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
1672
1673         * config/darwin.c (gen_pic_offset): New.
1674         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
1675         Use it.
1676
1677 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
1678
1679         PR tree-optimization/23486
1680         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
1681
1682 2005-08-23  Phil Edwards  <phil@codesourcery.com>
1683
1684         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
1685         remove use_collect2.
1686         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
1687
1688         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
1689         configuration files to override the default value.
1690
1691         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
1692         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
1693         * config/vx-common.h:  New file, split out from...
1694         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
1695         * config/vxworksae.h:  New file, for VxWorks AE.
1696         * config/vxworks.opt:  New file.
1697         * config/vxlib.c:  Update for VxWorks 6.
1698
1699         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
1700         other MULTILIB_* variables appropriately.
1701         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
1702         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
1703         * config/rs6000/vxworks.h:  Update for VxWorks 6.
1704         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
1705
1706 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
1707
1708         PR target/20799
1709         * config/darwin.c (machopic_select_section): Remove the hack to
1710         mark "::operator new" and "::operator delete" for coalescing
1711         even though they are not weak.
1712
1713 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
1714
1715         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
1716         * configure: Regenerate.
1717
1718 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
1719
1720         PR middle-end/23517
1721         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
1722         between vectors.
1723         * convert.c (convert_to_integer, convert_to_vector): Likewise.
1724         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
1725         Likewise.
1726
1727 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
1728
1729         * config/rs6000/predicates.md (equality_operator): New.
1730         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
1731         comparison with a large constant.
1732
1733 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
1734
1735         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
1736
1737 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
1738
1739         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
1740         registers is even, and we have a hardware double precision fp,
1741         align the buffer.
1742         (sh_gimplify_va_arg_expr): For floating point arguments, consider
1743         size of current argument when checking if argument was passed in
1744         registers.
1745
1746         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
1747
1748         PR middle-end/23467
1749         * stor-layout.c (finalize_type_size): Dont override
1750         existing alignment with a smaller alignment from the mode.
1751
1752 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1753
1754         * lambda-code.c (lambda_vector_lexico_pos): Moved...
1755         * lambda.h (lambda_vector_lexico_pos): ... here.
1756         * tree-data-ref.c (build_classic_dist_vector): Return false when
1757         the distance vector is lexicographically negative.
1758
1759 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
1760
1761         PR tree-optimization/23511
1762         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't 
1763         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
1764
1765 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
1766
1767         PR tree-optimization/22043
1768         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
1769         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
1770         If ALLOW_FLEXARR, handle types ending with flexible array member.
1771         Pass false as second argument to recursive count_type_elements calls.
1772         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
1773         argument to count_type_elements call.
1774         * tree-sra.c (decide_block_copy): Likewise.
1775         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
1776         for a constant-sized object, set cleared as well.  Pass true as
1777         second argument to count_type_elements call.
1778
1779 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1780
1781         PR target/21571
1782         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
1783         from legitimate_small_data_p, and make global.  Update use.
1784         Remove forward declaration.
1785         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
1786         Declare.
1787         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
1788
1789 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
1790
1791         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
1792         of scratch intermediates.
1793         (eq<mode>_compare): Same.
1794         (neg_eq0<mode>): New.
1795         (neg_eq<mode>): Convert to define_insn_and_split.
1796
1797 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
1798
1799         PR target/23070
1800         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
1801         stdarg functions, set/clear the fp marker even when no variable
1802         args are passed.
1803         * config/rs6000/sysv4.opt (mprototype): Describe.
1804
1805 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
1806
1807         PR rtl-optimization/23478
1808         * regs.h (reg_info): Add throw_calls_crossed.
1809         (REG_N_THROWING_CALLS_CROSSED): Define.
1810         * flow.c (allocate_reg_life_data): Initialize
1811         REG_N_THROWING_CALLS_CROSSED.
1812         (propagate_one_insn, attempt_auto_inc): Update
1813         REG_N_THROWING_CALLS_CROSSED.
1814         * global.c (global_alloc): Don't allocate pseudos across
1815         calls that may throw.
1816
1817 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
1818
1819         PR c/18715
1820         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
1821         value is inbetween the range if we did not find an exact match.
1822
1823 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
1824
1825         * doc/invoke.texi (Option Summary): Add ms1 options.
1826         * doc/extend.texi: Document interrupt handler attribute for ms1.
1827         * doc/md.texi: Document ms1 constraints.
1828         * config.gcc: Add ms1-*-elf.
1829         * config/ms1/ms1.h: New.
1830         * config/ms1/ms1.c: New.
1831         * config/ms1/ms1.md: New.
1832         * config/ms1/ms1-protos.h: New.
1833         * config/ms1/ABI.txt: New.
1834         * config/ms1/crti.asm: New.
1835         * config/ms1/crtn.asm: New.
1836         * config/ms1/lib2extra-funcs.c: New.
1837         * config/ms1/t-ms1: New.
1838         * config/ms1/ms1.opt: New.
1839
1840 2005-08-22 Ira Rosen <irar@il.ibm.com>
1841
1842         * config/rs6000/altivec.md (xorv4sf3): New.
1843         (negv4sf2, neg<mode>2): Likewise.
1844
1845 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
1846
1847         PR target/23485
1848         * config/ia64/ia64.md (divsi3): Check divide by zero.
1849         (udivsi3): Likewise.
1850         (divdi3): Likewise.
1851         (udivdi3): Likewise.
1852
1853 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
1854
1855         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
1856         up to elem_bitsize bits, not max_bitsize.
1857
1858 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1859
1860         PR tree-optimization/23433
1861         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
1862         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
1863
1864 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
1865
1866         PR tree-optimization/23434
1867         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
1868         the iteration bound is not an INTEGER_CST.
1869
1870 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
1871
1872         * tree-vect-transform.c (get_initial_def_for_reduction): Set
1873         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
1874         NULL if need_epilog_adjust is false.
1875         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
1876         Case 3 always peels first itration, not just for PLUS case, and no need
1877         to use scalar_initial_def here. Create an epilog adjustment only if
1878         scalar_initial_def is not NULL.
1879
1880         (vectorizable_reduction): Remove assert. 
1881
1882 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
1883
1884         PR target/23485
1885         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
1886         (__moddi3): Likewise.
1887         (__udivdi3): Likewise.
1888         (__umoddi3): Likewise.
1889         (__divsi3): Likewise.
1890         (__modsi3): Likewise.
1891         (__udivsi3): Likewise.
1892         (__umodsi3): Likewise.
1893
1894 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
1895
1896         * tree-pass.h (TDF_GRAPH): Define.
1897         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
1898         * passes.c (finish_optimization_passes): Only call
1899         finish_graph_dump_file if TDF_GRAPH is set.
1900         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
1901         NULL.  Set TDF_GRAPH bit.
1902         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
1903
1904 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
1905
1906         * arm.h (arm_stack_offsets): Add locals_base field.
1907         * arm.c (arm_get_frame_offsets): Compute it.
1908         (thumb_compute_initial_elimination offset): Make the Thumb frame
1909         pointer point to the base of the local variables.
1910         (thumb_expand_prologue): Update accordingly.
1911         (thumb_expand_epilogue): Likewise.
1912
1913         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
1914         mode of clobbered scratch to DImode.  Handle a case that's known to
1915         need this.
1916
1917 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
1918
1919         * config/rs6000/rs6000.md (gt0<mode>): Delete.
1920         (gt0<mode>_compare): Delete.
1921         (neg_gt0<mode>): Delete.
1922
1923 2005-08-19  Eric Christopher  <echristo@apple.com>
1924
1925         * optabs.h: Change CTI_ to COI_.
1926         * optabs.c: Ditto.
1927
1928 2005-08-19  James E Wilson  <wilson@specifix.com>
1929
1930         * builtins.c (expand_builtin_return_addr): Set
1931         current_function_accesses_prior_frames when count != 0.  Use
1932         frame_pointer_rtx when count == 0.
1933         * function.h (struct function): Add accesses_prior_frames field.
1934         (current_function_accesses_prior_frames): Define.
1935         * reload1.c (init_elim_table): Check
1936         current_function_accesses_prior_frames.
1937         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
1938
1939 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1940
1941         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
1942         indicator.  Return true if the flowgraph changed during
1943         cleanup.
1944
1945 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1946
1947         PR 23476
1948         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
1949         conditional expression before testing its value.
1950
1951 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
1952
1953         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
1954
1955 2005-08-19  Devang Patel  <dpatel@apple.com>
1956
1957         PR tree-optimization/23048
1958         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
1959         third parameter. Check whether latch is dominated by exit
1960         block or not.
1961         (if_convertible_loop_p): Supply exit block itself to
1962         if_convertible_bb_p.
1963
1964 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1965
1966         PR target/23473
1967         * arm.md (arm_load_pic_register): Change argument to the mask of
1968         saved registers.  Call thumb_find_work_register if we need a
1969         scratch register on Thumb.
1970         (arm_expand_prologue): Pass empty register set to
1971         arm_load_pic_register.
1972         (thumb_expand_prologue): Pass live_regs_mask directly to
1973         arm_load_pic_register.
1974         * arm-protos.h (arm_load_pic_register): Update prototype.
1975
1976 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
1977
1978         * sh.c (find_sole_member): New function.
1979         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
1980         if the record's alignment is larger than the size of its only member.
1981
1982 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
1983
1984         PR target/23436
1985         * arm.c (thumb_legitimize_reload_address): New function.
1986         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
1987         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
1988
1989 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
1990
1991         * config/crx/crx.c: Implement crx_decompose_address. Reject
1992         symbolic displacements since CRX register relative adressing
1993         mode can't handle unsigned 32-bit values as displacements.
1994         * config/crx/crx.h: Simplify definitions, remove redundant
1995         parenthesis and obsolete macros.
1996         * config/crx/crx.opt: Add new switch for debugging addresses.
1997         * config/crx/crx-protos.h: Add new declarations for above.
1998
1999 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
2000
2001         PR middle-end/20624
2002         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
2003         looking past it.
2004
2005 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2006
2007         * collect2.c (dup2): Delete.
2008         * configure.ac: Don't check for dup2.
2009
2010         * config.in, configure: Regenerate.
2011
2012 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
2013
2014         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
2015         record with the type of its only member.
2016
2017 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
2018
2019         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
2020         define_insn_and_split.
2021         (plus_ltu<mode>_compare): Same.
2022         (gtu<mode>_compare): Same.
2023         (plus_gtu<mode>_compare): Same.
2024
2025 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
2026
2027         PR tree-optimization/22228
2028         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
2029         todo_flags_start.
2030         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
2031         are recorded in vect_vnames_to_rename for renaming.
2032         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
2033         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
2034         in vect_vnames_to_rename.
2035         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
2036         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
2037
2038 2005-08-18  Jan Hubicka  <jh@suse.cz>
2039
2040         PR c++/22034
2041         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
2042         info only for local statics, not for member variables.
2043
2044 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2045
2046         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
2047
2048 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2049
2050         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
2051
2052 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
2053
2054         PR middle-end/16045
2055         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
2056
2057 2005-08-17  James E Wilson  <wilson@specifix.com>
2058
2059         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2060         array size check.
2061
2062 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
2063
2064         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
2065         (leu<mode>_compare): Same.
2066         (plus_leu<mode>): Same.
2067         (neg_leu<mode>): Same.
2068         (and_neg_leu<mode): Same.
2069         (ltu<mode>_compare): Same.
2070         (plus_ltu<mode>): Same.
2071         (geu<mode>): Same.
2072         (geu<mode>_compare): Same.
2073         (plus_geu<mode>): Same.
2074         (neg_geu<mode>): Same.
2075         (and_neg_geu<mode>): Same.
2076         (plus_gt<mode>): Same.
2077         (gtu<mode>_compare): Same.
2078         (plus_gtu<mode>): Same.
2079
2080 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
2081
2082         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
2083         Move call_table_data to end.  Delete spurious .text.
2084         (callt_save_all_interrupt): Fix comment typo.
2085
2086 2005-08-17  James E Wilson  <wilson@specifix.com>
2087             Kevin Winchester  <winchester@amirix.com>
2088
2089         PR target/21684
2090         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
2091
2092 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
2093
2094         PR target/23268
2095         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
2096         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
2097
2098 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
2099
2100         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
2101         record with the type of its only member if the modes don't match.
2102
2103         * varasm.c (decode_reg_name): Skip empty additional register names.
2104
2105 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
2106
2107         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
2108         lsm_tmp_name_length): New.
2109         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
2110         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
2111
2112 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2113             Andreas Krebbel  <krebbel1@de.ibm.com>
2114
2115         * config.gcc: Added z9-109 switch.
2116         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
2117         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
2118         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
2119         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
2120         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
2121         for "z9_109" cpu attribute.
2122         * config/s390/s390.c (z9_109_cost): New processor cost structure.
2123         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
2124         (s390_handle_arch_option): Added z9-109 switch.
2125         (override_options): Set respective cost function for z9-109.
2126         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
2127         (legitimate_reload_constant_p): Accept extended immediates.
2128         (print_operand): Three new output modifiers added: k, m and o.
2129         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
2130         (s390_output_mi_thunk): Use extended immediate when possible.
2131         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
2132         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
2133         (CONSTRAINT_LEN): Added length of O constraint.
2134         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
2135         * config/s390/s390.md ("cpu"): New value z9_109 added.
2136         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
2137         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
2138         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
2139         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
2140         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
2141         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
2142         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
2143         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
2144         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
2145         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
2146         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
2147         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
2148         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
2149         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
2150         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
2151         immediates.
2152         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
2153         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
2154         insns for TARGET_EXTIMM.
2155
2156 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
2157
2158         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
2159
2160 2005-08-17  Nick Clifton  <nickc@redhat.com>
2161
2162         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
2163         Call default_encode_section_info.
2164
2165 2005-08-17  Steven Bosscher  <stevenb@suse.de>
2166
2167         PR tree-optimization/21574
2168         * tree-ssa-ccp.c (likely_value): If the right hand side is a
2169         constant, return CONSTANT.
2170         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
2171         (ccp_fold, visit_assignment): Likewise.
2172         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
2173
2174 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
2175
2176         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
2177         fold_buildN instead of buildN then fold_initializer or fold.
2178         (build_unary_op): Likewise.
2179         (build_binary_op): Likewise.
2180         * fold-const.c (fold_initializer): Remove.
2181         (fold_build1_initializer): New function.
2182         (fold_build2_initializer): New function.
2183         (fold_build3_initializer): New function.
2184         * tree.h (fold_initializer): Remove.
2185         (fold_build1_initializer): New function.
2186         (fold_build2_initializer): New function.
2187         (fold_build3_initializer): New function.
2188
2189 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
2190
2191         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
2192         (try_move_mult_to_index): Call fold_build2 instead of build2.
2193         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
2194         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
2195         fold_binary_to_constant.
2196         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
2197         fold (build.
2198         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
2199         check if A == gcd (A, B).  Remove TYPE argument.
2200         (analyze_offset) Use fold_build2 instead of fold (build.
2201         (create_data_ref): Likewise.
2202         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
2203         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
2204         then fold.
2205
2206 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
2207
2208         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
2209         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
2210
2211 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
2212
2213         PR tree-opt/23402
2214         * gimplify.c (zero_sized_type): New function.
2215         (gimplify_modify_expr_rhs): If we have a zero sized type,
2216         replace the statement with an empty statement.
2217
2218 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
2219
2220         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
2221         fxsave.
2222
2223 2005-08-16  Ian Lance Taylor  <ian@airs.com>
2224
2225         * doc/tm.texi (Label Output): Correct typo.
2226
2227 2005-08-16  Steven Bosscher  <stevenb@suse.de>
2228
2229         PR target/23376
2230         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
2231         force_operand will work later on using have_insn_for.
2232
2233 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2234
2235         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
2236
2237 2005-08-16  Ian Lance Taylor  <ian@airs.com>
2238
2239         PR c++/23337
2240         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
2241         vector type, don't try to construct it element by element.  Add an
2242         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
2243
2244 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2245
2246         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
2247
2248 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
2249
2250         * doc/invoke.texi (Precompiled Headers): Document some more options
2251         which are known to be safe.
2252
2253 2005-08-16  James E Wilson  <wilson@specifix.com>
2254
2255         PR tree-optimization/21105
2256         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
2257         TREE_OVERFLOW check.
2258
2259 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
2260
2261         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
2262         (neg_ltu<mode>): Same.
2263         (gtu<mode>): Same.
2264         (neg_gtu<mode>): Same.
2265
2266 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2267
2268         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
2269         (fold_builtin_isdigit): Use fold_buildN.
2270         (build_function_call_expr): Likewise.
2271         * c-typeck.c (c_finish_loop): Likewise.
2272
2273 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
2274             Richard Shann <rshann@superh.com>
2275
2276         PR middle-end/20396:
2277         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
2278
2279 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
2280
2281         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
2282
2283 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
2284
2285         PR target/23355
2286         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
2287         arm_compure_save_reg0_reg12_mask to determine when the PIC register
2288         must be saved.
2289
2290 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2291
2292         PR middle-end/23369
2293         * fold-const.c (build_range_check): Disable optimization for function
2294         pointer expressions on targets that require function pointer
2295         canonicalization.
2296
2297 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
2298
2299         * simplify-rtx.c (simplify_const_relational_operation): When
2300         extracting arguments of a COMPARE, recompute the mode as well.
2301
2302 2005-08-15  Ian Lance Taylor  <ian@airs.com>
2303
2304         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
2305
2306 2005-08-15  DJ Delorie  <dj@redhat.com>
2307
2308         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
2309         the stack.
2310         (movsi_splittable): Allow, but split, moves to the stack.
2311         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
2312         stack.
2313
2314 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2315
2316         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
2317         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
2318         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
2319
2320         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
2321         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
2322         Delete HOST_PTR_PRINTF.
2323
2324         * configure, config.in: Regenerate.
2325
2326 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
2327
2328         * config/rs6000/rs6000.md (QHSI): New mode macro.
2329         (wd): Extend mode attr for QImode and HImode
2330         (dbits): New mode attr.
2331         (zero_extend<mode>di2): Convert to mode macro.
2332
2333 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
2334
2335         PR target/21841
2336         * doc/invoke.texi (-mgnu-ld): Update description.
2337         (-mhp-ld): Ditto.
2338
2339 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2340
2341         PR 23391
2342         * Makefile.in (tree-chrec.o): Depends on real.h.
2343         * tree-chrec.c: Include real.h.
2344         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
2345         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
2346         * tree-scalar-evolution.c (add_to_evolution_1,
2347         interpret_rhs_modify_expr): Ditto.
2348
2349 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
2350
2351         PR 23386
2352         * tree-data-ref.c (estimate_niter_from_size_of_data): When
2353         step is negative compute the estimation from init downwards to zero.
2354
2355 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
2356
2357         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
2358
2359 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2360
2361         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
2362         constraint.
2363         (legitimate_reload_constant_p): Fix handling of lliXX operands.
2364         Accept double-word constants that can be split.
2365         * config/s390/s390.md ("movti"): Use 'P' constraint.
2366         ("*movdi_31", "*movdf_31"): Likewise.
2367
2368 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
2369
2370         Fix PR tree-optimization/22615
2371
2372         * tree-ssa-structalias.c (solution_set_add): Handle
2373         first_vi_for_offset returning NULL.
2374         (do_da_constraint): Ditto.
2375         (do_sd_constraint): Ditto.
2376         (do_ds_constraint): Ditto
2377         (find_func_aliases): Ditto.
2378         (build_constraint_graph): RHS is allowed be ANYTHING.
2379         (first_vi_for_offset): Return NULL if we couldn't find anything at
2380         the offset.
2381
2382 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
2383
2384         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
2385         over memory as first operand.
2386
2387 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
2388
2389         PR target/23360
2390         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
2391         available for setting it.
2392
2393 2005-08-14  Ira Rosen  <irar@il.ibm.com>
2394
2395         PR tree-optimization/23320
2396         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
2397         data-refs' types instead of base object nullness. Add check for
2398         pointer type data-refs before first location comparison. Remove
2399         assert.
2400
2401 2005-08-14  Andreas Schwab  <schwab@suse.de>
2402
2403         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
2404
2405 2005-08-13  James E Wilson  <wilson@specifix.com>
2406
2407         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
2408         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
2409         -fstack-protector-all, --param ssp-buffer-size): Document.
2410         (-Wvariadic-macros): Alphabetize.
2411         (-fsched-stalled-insns-dep): Add missing 'f'.
2412
2413         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
2414         macros.
2415
2416 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
2417
2418         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
2419         or indirect address operand.
2420         (EXTRA_ADDRESS_CONSTRAINT): New.
2421         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
2422
2423 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
2424
2425         PR tree-optimization/22236
2426         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
2427         successors and predecessors.
2428         * tree-chrec.c (chrec_convert): Before converting, check that
2429         sequences don't wrap.
2430         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
2431         (analyze_array): Extern.
2432         (find_data_references_in_loop): Remove call to
2433         compute_estimated_nb_iterations.
2434         * tree-data-ref.h (analyze_array): Declared.
2435         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
2436         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
2437         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
2438         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
2439         condition.
2440         * tree-ssa-loop-ivcanon.c: Fix documentation.
2441         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
2442         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
2443         (infer_loop_bounds_from_undefined): New.
2444         (estimate_numbers_of_iterations_loop): Use
2445         infer_loop_bounds_from_undefined.
2446         (used_in_pointer_arithmetic_p): New.
2447         (scev_probably_wraps_p): Pass an extra parameter.  Call
2448         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
2449         (convert_step): Fix documentation.
2450         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
2451         Use initial_condition_in_loop_num and evolution_part_in_loop_num
2452         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
2453         scev_probably_wraps_p.
2454
2455 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
2456
2457         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
2458         (s390_register_info): Ignore clobbered_regs information for fixed
2459         registers, and only fixed registers.
2460         (s390_init_frame_layout): Remove redundant call.
2461
2462 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
2463
2464         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
2465         description of -Wold-style-casts.
2466
2467 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2468             Jakub Jelinek  <jakub@redhat.com>
2469
2470         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
2471         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
2472         * config/s390/s390.c (print_operand): New output modifier 'G' added.
2473         (get_thread_pointer): Renamed to s390_get_thread_pointer.
2474         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
2475         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
2476         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
2477         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
2478         ("stack_protect_set", "stack_protect_test"): New expanders.
2479         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
2480         "stack_protect_testdi"): New insn definitions.
2481
2482 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2483
2484         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
2485
2486 2005-08-12  Paul Brook  <paul@codesourcery.com>
2487
2488         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
2489
2490 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2491
2492         * config/s390/predicates.md (setmem_operand): New predicate.
2493         (shift_count_operand): Accept ANDs with special constants as
2494         operand.
2495         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
2496         with special constants.
2497         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
2498         shift_count_operand with setmem_operand.
2499
2500 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2501
2502         * config/s390/s390.c (s390_extract_part, s390_single_part):
2503         Type cast added.
2504         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
2505         (s390_output_mi_thunk): Don't use lg on 31 bit.
2506         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
2507         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
2508
2509 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2510
2511         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
2512         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
2513         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
2514         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
2515         with one of the new macros.
2516
2517 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
2518
2519         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
2520         Don't set save_return_addr_p.
2521         (s390_register_info): Make clobbered_regs not depending on
2522         save_return_addr_p.
2523
2524 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
2525
2526         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
2527         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
2528
2529 2005-08-11  James E. Wilson  <wilson@specifix.com>
2530
2531         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
2532
2533 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
2534
2535         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
2536         locations gathered by var-tracking in single entry loc_list
2537         over loc_descriptor_from_tree.
2538
2539         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
2540         pass it down to loc_descriptor.
2541         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
2542         (containing_function_has_frame_base): Move earlier in the file.
2543         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
2544         instead of always assuming fbreg can't be used.
2545
2546 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
2547
2548         * config/rs6000/altivec.md: Change constraint "m" to "Z".
2549         * config/rs6000/predicates.md (indexed_or_indirect_operand):
2550         Accept address wrapped in AND for Altivec.
2551         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2552         Strip AND wrapping offset address for Altivec.
2553
2554 2005-08-11  Richard Henderson  <rth@redhat.com>
2555
2556         PR middle-end/23312
2557         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
2558         before using TYPE_IS_SIZETYPE.
2559
2560 2005-08-11  Richard Henderson  <rth@redhat.com>
2561
2562         PR target/22225
2563         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
2564         insn types not present on ev4.
2565         (alphaev5_insn_pipe): Similarly.
2566
2567 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
2568
2569         PR target/23250
2570         * arm.c (arm_override_options): If the user has selected callee-super-
2571         interworking, then enable normal interworking.
2572
2573 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2574
2575         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
2576         redefinition.
2577
2578 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
2579
2580         * doc/rtl.texi: Fix two typos.
2581
2582 2005-08-11  Richard Guenther  <rguenther@suse.de>
2583
2584         PR target/23289
2585         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
2586         cases where we call to/from functions returning void.
2587
2588 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
2589
2590         PR c++/23225
2591         * tree.c (build_pointer_type_for_mode): Robustify.
2592
2593 2005-08-10  James E Wilson  <wilson@specifix.com>
2594
2595         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
2596         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
2597
2598         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
2599         "cum->".
2600
2601 2005-08-10  Eric Christopher  <echristo@apple.com>
2602
2603         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
2604         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
2605         V2DFmode.
2606
2607 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
2608
2609         PR target/21887
2610         * config/darwin.c (machopic_indirect_data_reference): Use a new register
2611         for the high part when generating dynamic-no-pic code.
2612
2613 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
2614
2615         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
2616         (x86_64-*-linux*): Likewise.
2617
2618         * config/i386/crtfastmath.c: New file.
2619         * config/i386/t-crtfm: Likewise.
2620
2621         * config/i386/linux.h (ENDFILE_SPEC): New.
2622         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
2623
2624         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
2625         crtfastmath.o.
2626
2627 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
2628
2629         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
2630         (vec_shl, vec_shr): Document new operations.
2631         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
2632
2633 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
2634
2635         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
2636         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
2637         change predicate to indexed_or_indirect_address.
2638
2639 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
2640
2641         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
2642         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
2643         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
2644         and __aeabi_uwrite8.
2645         * config/arm/unaligned-funcs.c: New file.
2646         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
2647
2648 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
2649
2650         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
2651         Add dump.
2652         * cfglayout.c (pass_insn_locators_initialize): Add dump.
2653         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
2654         Add dump.
2655         * except.c (pass_convert_to_eh_region_ranges): Add dump.
2656         * final.c (pass_shorten_branches): Add dump.
2657         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
2658         (pass_life): Rename dump.
2659         (rest_of_handle_flow2): Remove initial verify_flow_info.
2660         * function.c (pass_instantiate_virtual_regs): Add dump.
2661         * integrate.c (pass_initial_value_sets): Add dump.
2662         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
2663         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
2664         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
2665         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
2666         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
2667         gate_rtl_unrool_and_peel_loops): New.
2668         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
2669         rtl_doloop): Do not look at flags.
2670         * mode-switching.c (pass_mode_switching): Add dump.
2671         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
2672         pass_split_before_regstack): Add dump.
2673         * regmove.c (pass_stack_adjustments): Add dump.
2674         * tree-optimize.c (pass_fixup_cfg): Add dump.
2675
2676 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2677
2678         PR 23309
2679         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
2680         deciding which instruction sequence to use.
2681
2682 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
2683
2684         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
2685         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
2686
2687 2005-08-09  Richard Guenther  <rguenther@suse.de>
2688
2689         * c-common.c (builtin_function_2): Remove.
2690         (def_builtin_1): New function.
2691         (c_common_nodes_and_builtins): Use def_builtin_1 to
2692         build builtin functions.
2693
2694 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
2695
2696         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
2697         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
2698         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
2699         Visual DSP.
2700
2701 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
2702
2703         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
2704         fold_binary instead of fold_build2 since we don't care about the
2705         resulting tree.
2706         (loop_niter_by_eval): Likewise.
2707         (compare_trees): Likewise.
2708         (proved_non_wrapping_p): Likewise.
2709
2710 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
2711
2712         PR c/23161
2713         PR c/23165
2714         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
2715         if the if is really empty.
2716
2717 2005-08-09  Steven Bosscher  <stevenb@suse.de>
2718
2719         PR tree-optimization/23234
2720         * tree-ssa-math-opts.c (place_reciprocal): New enum.
2721         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
2722         argument of the new enum.
2723         (execute_cse_reciprocals): Add reciprocals for function arguments
2724         on the unique successor edge of the entry block.  Update other calls
2725         to execute_cse_reciprocals_1.
2726
2727 2005-08-08  Richard Henderson  <rth@redhat.com>
2728
2729         PR 22439
2730         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
2731
2732 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
2733
2734         * expr.c (write_complex_part): Return after handling MEM.
2735
2736 2005-08-08  Josh Conner  <jconner@apple.com>
2737
2738         PR rtl-optimization/23241
2739         * combine.c (simplify_comparison): Fix error in determining
2740         whether to lift a subreg from comparison.
2741
2742 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
2743
2744         PR target/18506
2745         * config/rs6000/altivec.md (vec_init<mode>): New.
2746         (vec_set<mode>): New.
2747         (vec_extract<mode>): New.
2748         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
2749         (rs6000_expand_vector_set): New.
2750         (rs6000_expand_vector_extract): New.
2751         (rs6000_legitimate_offset_address_p): Offset addresses are valid
2752         for Altivec modes before reload.
2753         (altivec_expand_vec_init_builtin): New.
2754         (get_element_number): New.
2755         (altivec_expand_vec_set_builtin): New.
2756         (altivec_expand_vec_ext_builtin): New.
2757         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
2758         builtins.
2759         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
2760         builtins.
2761         * config/rs6000/rs6000.h (rs6000_builtins): Add
2762         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
2763         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
2764         * config/rs6000/rs6000-protos.h: Declare new functions.
2765
2766 2005-08-08  Jan Hubicka  <jh@suse.cz>
2767
2768         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
2769         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
2770         * i386.md (movdi*): Use pic_32bit_operand.
2771         * predicates.md (pic_32bit_operand): New.
2772
2773 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
2774
2775         PR c++/21166
2776         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
2777
2778 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
2779
2780         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
2781         (test_for_singularity): Use fold_build2.
2782
2783 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2784
2785         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
2786
2787 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
2788
2789         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
2790         (COMMON_ASM_OP) Define.
2791         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
2792         (ix86_encode_section_info): Likewise.
2793         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
2794         SUBTARGET_ENCODE_SECTION_INFO.
2795
2796 2005-08-06  Richard Henderson  <rth@redhat.com>
2797
2798         PR 21894
2799         * tree-nested.c (convert_local_reference): Save and restore val_only
2800         around component_ref and friends.  Clear walk_subtrees by default.
2801
2802 2005-08-06  Peter O'Gorman  <peter@pogma.com>
2803
2804         PR 21366
2805         * gcc.c (process_command): Check the argument to -b has a dash.
2806         * doc/invoke.texi: Update -b and -V docs.
2807
2808 2005-08-06  James E Wilson  <wilson@specifix.com>
2809
2810         * config/mips/cross64.h, config/mips/t-cross64: Delete.
2811
2812 2005-08-06  Michael Matz  <matz@suse.de>
2813
2814         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
2815         member only if only one insn is associated with the value.
2816
2817 2005-08-06  Nick Clifton  <nickc@redhat.com>
2818
2819         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
2820         New define.
2821         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
2822         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
2823         Check symbol flags instead of symbol name mangling.
2824         (xstormy16_asm_output_aligned_common): Likewise.  Also
2825         simplify code since the bss100_section cass is the only case
2826         where the below100 code will be triggered.
2827         (xstormy16_encode_section_info): Encode below100 attribute
2828         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
2829         the name.
2830         (xstormy16_strip_name_encoding): Delete - this function is no
2831         longer needed.
2832         (TARGET_STRIP_NAME_ENCODING): Undefine.
2833         * config/stormy16/stormy16-protos.h: Delete prototype for
2834         xstormy16_strip_name_encoding.
2835
2836 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
2837
2838         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
2839         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
2840         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
2841         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
2842         config/alpha/predicates.md, config/arc/arc.h,
2843         config/arm/arm.h, config/arm/ieee754-df.S,
2844         config/arm/ieee754-sf.S, config/bfin/bfin.c,
2845         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
2846         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
2847         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
2848         config/m68hc11/m68hc11.h, config/mips/mips.c,
2849         config/mips/mips.h, config/mips/openbsd.h,
2850         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
2851         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
2852         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
2853         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
2854         config/sparc/linux.h, config/sparc/linux64.h,
2855         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
2856         doc/extend.texi, doc/gcov.texi, doc/install.texi,
2857         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
2858         typos.  Follow spelling conventions.
2859
2860 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
2861
2862         PR c/23113
2863         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
2864         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
2865         specially.  Check for side effects only for COND_EXPR.
2866         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
2867         return with TREE_NO_WARNING.
2868
2869 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
2870
2871         PR rtl-optimization/23233
2872         * loop.c (combine_movables): Require the modes to be the same.
2873         (move_movables): Remove handling of cases where the replacement
2874         had a different mode to the original.
2875
2876 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
2877
2878         PR tree-optimization/23128
2879         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
2880         subtraction wrap, and set TREE_OVERFLOW if they do.
2881
2882 2005-08-05  Richard Henderson  <rth@redhat.com>
2883
2884         PR 21728
2885         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
2886         FORCED_LABEL labels.
2887
2888 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
2889
2890         PR middle-end/23135
2891         * reload.c (find_reloads_subreg_address): Pass down TYPE
2892         unchanged.  Change all callers except find_reloads_toplev.
2893
2894 2005-08-05  Michael Matz  <matz@suse.de>
2895
2896         * genattrtab.c (current_alternative_string): Remove.
2897         (SIMPLIFY_ALTERNATIVE): Ditto.
2898         (attr_alt_bit_p): Ditto.
2899         (alternative_name): Make const char *.
2900         (evaluate_eq_attr): Remove use of above things.
2901         (simplify_test_exp): Ditto.
2902         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
2903         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
2904
2905 2005-08-04  James E Wilson  <wilson@specifix.com>
2906
2907         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
2908         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
2909         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
2910         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
2911         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
2912
2913 2005-08-04  Richard Henderson  <rth@redhat.com>
2914
2915         PR 21529
2916         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
2917         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
2918         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
2919         if we'd have to instantiate too many members.
2920
2921 2005-08-04  Richard Henderson  <rth@redhat.com>
2922
2923         PR 21291
2924         * tree-outof-ssa.c (coalesce_asm_operands): New.
2925         (coalesce_ssa_name): Use it.  Split out ...
2926         (coalesce_phi_operands, coalesce_result_decls): ... these.
2927
2928 2005-08-04  Paul Brook  <paul@codesourcery.com>
2929
2930         * read-rtl.c (read_quoted_string): Break if EOF.
2931
2932 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
2933
2934         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
2935         (fold_build2): Likewise.
2936         (fold_build3): Likewise.
2937         (fold_build1_stat): New function prototype.
2938         (fold_build2_stat): Likewise.
2939         (fold_build3_stat): Likewise.
2940         * fold-const.c (fold_build1): Rename to ..
2941         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2942         through to build1_stat.
2943         (fold_build2): Rename to ..
2944         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2945         through to build2_stat.
2946         (fold_build3): Rename to ..
2947         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
2948         through to build3_stat.
2949
2950 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
2951             Ian Lance Taylor  <ian@airs.com>
2952
2953         * function.c (assign_stack_local_1): Do not correct stack slot
2954         address if allocation size is smaller than mode size.
2955
2956 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
2957
2958         PR 22037
2959         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
2960         (tree_merge_blocks): Propagate anything allowed by
2961         may_propagate_copy.
2962         Clarify documentation.
2963         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
2964         SSA form, schedule an update if necessary.
2965
2966 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
2967
2968         * doc/install.texi (Binaries): Remove broken link to
2969         Sinix/Reliant Unix binaries.
2970
2971 2005-08-03  Richard Henderson  <rth@redhat.com>
2972
2973         PR 23221
2974         * function.c (stack_protect_epilogue): Export.
2975         * tree.h (stack_protect_epilogue): Declare.
2976         * calls.c (expand_call): Call it.
2977
2978 2005-08-03  Eric Christopher  <echristo@apple.com>
2979
2980         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
2981         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
2982         spec.
2983
2984 2005-08-04  Jan Hubicka  <jh@suse.cz>
2985
2986         * profile.c (branch_prob): Split edges with goto locus on them
2987         to get proper line counts.
2988         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
2989
2990 2005-08-03  Paul Brook  <paul@codesourcery.com>
2991
2992         * function.c (assign_parms): Round current_function_args_size
2993         to PARM_BOUNDARY, not STACK_BOUNDARY.
2994
2995 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
2996
2997         * config/i386/i386.c (x86_elf_aligned_common)
2998         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
2999
3000 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
3001
3002         PR tree-optimization/23157
3003         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
3004         before emitting them.
3005
3006 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3007
3008         PR tree-optimization/19899
3009         * Makefile.in (tree-scalar-evolution.o): Add real.h.
3010         * tree-scalar-evolution.c: Include real.h.
3011         (add_to_evolution): Build constant -1 of correct type.
3012
3013 2005-08-03  Jan Hubicka  <jh@suse.cz>
3014
3015         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
3016         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
3017         profile updating for complette unrolling.
3018         * loop-unroll.c (peel_loop_completely): Use it.
3019         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
3020         (tree_unroll_loops_completely): Disable code growing unrolling of cold
3021         loops.
3022
3023 2005-08-03  Paul Brook  <paul@codesourcery.com>
3024
3025         * combine.c (can_change_dest_mode): New function.
3026         (try_combine, simplify_set): Use it.
3027
3028 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
3029
3030         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
3031         TFmode to BLKmode.
3032
3033 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
3034
3035         * doc/install.texi (Specific): Adjust link to openavr.org.
3036         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
3037         (Binaries): Adjust HP-UX Porting Center link.
3038         (Binaries): Adjust Free Software Foundation ordering link.
3039
3040 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
3041
3042         * convert.c (convert_to_integer): Use fold_build1 instead of
3043         build1 when converting an integer to an integer.
3044
3045 2005-08-02  Richard Henderson  <rth@redhat.com>
3046
3047         * combine.c (combine_instructions): Don't use reg_equal/equiv
3048         results if the mode doesn't match.
3049
3050 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
3051
3052         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
3053         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
3054
3055 2005-08-02  Richard Henderson  <rth@redhat.com>
3056
3057         PR 23196
3058         * explow.c (memory_address): Remove special-case for
3059         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
3060
3061 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
3062
3063         PR 23164
3064         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
3065         number of calls to cleanup_tree_cfg_1.
3066
3067 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
3068
3069         * doc/invoke.texi: document file extensions .F90 and .F95
3070
3071 2005-08-02  Richard Guenther  <rguenther@suse.de>
3072
3073         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
3074         positive if its first argument is positive.
3075
3076 2005-08-02  Richard Guenther  <rguenther@suse.de>
3077
3078         PR tree-optimization/23177
3079         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
3080         on TMR_TAG.
3081
3082 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
3083
3084         PR tree-optimization/23129
3085         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
3086         varying for divisions with anti-ranges.
3087
3088 2005-08-02  Jan Hubicka  <jh@suse.cz>
3089
3090         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
3091         * tree-ssa-threadupdate.c (thread_block): Add it here.
3092
3093 2005-08-01  James E Wilson  <wilson@specifix.com>
3094
3095         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
3096         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
3097         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
3098         New.
3099         * config/mips/predicates.md (const_call_insn_operand): Add check for
3100         SYMBOL_REF_LONG_CALL_P.
3101         * doc/extend.texi (long_call): Document the new attribute.
3102
3103 2005-08-01  Ian Lance Taylor  <ian@airs.com>
3104             Richard Henderson  <rth@redhat.com>
3105
3106         * Makefile.in (RTL_BASE_H): Add real.h.
3107         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
3108         instead of memcpy.
3109         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
3110         directly.
3111         * rtl.c (rtl_check_failed_code_mode): New.
3112         * rtl.h (struct rtx_def): Add u.rv.
3113         (XCMWINT, XCNMPRV): New.
3114         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
3115         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
3116
3117 2005-08-01  Richard Henderson  <rth@redhat.com>
3118
3119         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
3120         with auto-inc codes.
3121
3122         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
3123
3124 2005-08-01  Jan Hubicka  <jh@suse.cz>
3125
3126         * i386-protos.h (asm_preferred_eh_data_format): Declare.
3127         * i386.c: Include dwarf2.h
3128         (asm_preferred_eh_data_format): New.
3129         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
3130
3131 2005-08-01  Ian Lance Taylor  <ian@airs.com>
3132
3133         * config/host-linux.c (linux_gt_pch_get_address): Add new name
3134         randomize_va_space for virtual address randomization control.
3135
3136 2005-08-01  Steven Bosscher  <stevenb@suse.de>
3137
3138         * common.opt (flag_ipa_cp): Put in right place to maintain
3139         alphabetic sort.
3140
3141 2005-08-01  Jan Hubicka  <jh@suse.cz>
3142
3143         * profile.c (compute_value_histograms): Fix thinko.
3144         * value-prof.c: Include toplev.h
3145         (check_counter): New function.
3146         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
3147         tree_mod_subtract_transform): Add sanity check.
3148
3149 2005-08-01  Richard Guenther  <rguenther@suse.de>
3150
3151         PR tree-optimization/23133
3152         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
3153         current functions parameter decls to find defs to cse
3154         reciprocals of.
3155
3156 2005-08-01  Richard Guenther  <rguenther@suse.de>
3157
3158         PR tree-optimization/23109
3159         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
3160         If trapping math is in effect, use post-dominator information
3161         to check if we'd in any case reach a trapping point before
3162         doing the reciprocal insertion.
3163         (execute_cse_reciprocals): Compute post-dominators, if necessary.
3164         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
3165         expressions are invariant only if trapping math is not in effect.
3166
3167 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
3168
3169         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
3170         cgraph_function_versioning): New declarations.
3171         * cgraphunit.c: Add include to ipa-prop.h.
3172         (update_call_expr, cgraph_copy_node_for_versioning,
3173         cgraph_function_versioning): New functions.
3174         * integrate.c (copy_decl_for_inlining): Remove.
3175         * ipa-prop.h (ipa_replace_map): New struct.
3176         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
3177         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
3178         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
3179         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
3180         ipcp_iterate_stage, ipcp_method_scale_print,
3181         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
3182         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
3183         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
3184         ipcp_update_bb_counts, ipcp_update_profiling,
3185         ipcp_update_edges_counts): New functions.
3186         (ipcp_method_cval_init): Remove restriction regarding local methods.
3187         (ipcp_init_stage): Add ipcp_method_compute_scale.
3188         (ipcp_insert_stage): Add versioning.
3189         (ipcp_structures_print): Add ipcp_method_scale_print.
3190         (ipcp_driver): Dump profiling info.
3191         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
3192         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
3193         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
3194         (struct inline_data): Add versioning_p, ipa_info, new fields.
3195         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
3196         declare_return_variable): Replace calls to copy_decl_for_inlining with
3197         copy_decl_for_dup.
3198         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
3199         versioning support.
3200         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
3201         Add argument VERSIONING.
3202         (copy_arguments_for_versioning, copy_static_chain,
3203         function_versionable_p, tree_versionable_function_p,
3204         tree_function_versioning, replace_ref_tree): New functions.
3205         * tree-inline.h: Include varray.h.
3206         (tree_versionable_function_p,  tree_function_versioning,
3207         tree copy_decl_for_dup): New declarations.
3208
3209 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
3210
3211         * ipa-cp.c: New file. Contains IPCP specific functionality.
3212         * ipa-prop.h: New file. Contains structures/definitions that can be
3213         used by several interprocedural data flow optimizations (and also IPCP).
3214         * ipa-prop.c: New file.
3215         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
3216         * common.opt: Add ipa-cp flag.
3217         * timevar.def: Add IPCP optimization.
3218         * tree-optimize.c (init_tree_optimization_passes): Schedule
3219         pass_ipa_cp.
3220         * tree-pass.h (pass_ipa_cp): Declare.
3221
3222 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
3223
3224         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
3225         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
3226         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
3227         config/i386/i386.c, config/mips/mips.h,
3228         config/rs6000/rs6000.h, config/sh/sh.c,
3229         config/stormy16/stormy16.c: Fix comment typos.
3230
3231 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
3232
3233         PR c/22311
3234         * c-typeck.c (build_binary_op): Use common_type wrapper on
3235         shortened types.
3236         (common_type): Update comment.
3237
3238 2005-07-31  Steven Bosscher  <stevenb@suse.de>
3239
3240         PR target/23095
3241         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
3242         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
3243         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
3244
3245 2005-07-31  Jan Hubicka  <jh@suse.cz>
3246
3247         * pretty-print.h (pp_widest_integer): New macro.
3248         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
3249         counts.
3250
3251 2005-07-31  Jan Hubicka  <jh@suse.cz>
3252
3253         * output.h (enum section_category): Export from varasm.c
3254         (categorize_decl_for_section): Likewise.
3255         * varasm.c (enum section_category): Kill.
3256         (categorize_decl_for_section): Make global.
3257         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
3258         Declare.
3259         * i386.c (ix86_section_threshold): New static variable.
3260         (ix86_in_large_data_p, ix86_encode_section_info,
3261         x86_64_elf_unique_section,
3262         x86_64_elf_select_section): New functions.
3263         (TARGET_ENCODE_SECTION_INFO): Define
3264         (override_options): Enable medium model for PIC.
3265         (ix86_expand_prologue): Expand gen_set_got_rex64.
3266         (legitimate_constant_p): Handle new UNSPECs.
3267         (legitimate_pic_address_disp_p): Likewise.
3268         (legitimize_pic_address): Lower MEDIUM model addressing.
3269         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
3270         (enum cmodel): Add MEDIUM_PIC.
3271         (SYMBOL_REF_FAR_ADDR_P): New macro.
3272         (SYMBOL_FLAG_FAR_ADDR): New flag.
3273         * i386.md (movdi): Support medium model.
3274         (set_got_rex64): New pattern.
3275         * i386.opt (mlarge-data-threshold): New flag.
3276         * predicates.md (zext_operand/sext_operand): Deal with medium model.
3277         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
3278         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
3279         TARGET_ASM_UNIQUE_SECTION): New.
3280
3281         * invoke.texi (-mlarge_data_threshold): Document
3282
3283 2005-07-31  Jan Hubicka  <jh@suse.cz>
3284
3285         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
3286         (coalesce_vars): Likewise.
3287         * tree-ssa-live.c (coalesce_cost): New.
3288         (build_tree_conflict_graph): Use coalesce_cost.
3289         * tree-ssa-live.h (coalesce_cost): Declare.
3290
3291 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
3292
3293         * arm.md (all peepholes for post-increment operations): Delete.
3294         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
3295         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
3296         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
3297         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
3298         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
3299
3300 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
3301
3302         * fold-const.c (tree_expr_nonnegative_p): Always return true for
3303         non-integral types.
3304
3305 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
3306
3307         PR target/22582
3308         * doc/invoke.texi: Document -rdynamic.
3309
3310 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
3311
3312         PR c/23143
3313         * c-parser.c (c_parser_parms_list_declarator): Call
3314         mark_forward_parm_decls.
3315         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
3316         decls with visibility structure.
3317
3318 2005-07-30  Paul Brook  <paul@codesourcery.com>
3319
3320         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
3321
3322 2005-07-30  Paul Brook  <paul@codesourcery.com>
3323
3324         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
3325         prototype.
3326         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
3327         value for mode.
3328         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
3329
3330 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3331
3332         PR c/529
3333         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
3334         nested function declarators.
3335         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
3336         (grokparms): Call warn_if_shadowing for parameters used within the
3337         parameter list.
3338         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
3339         not used within the parameter list.
3340         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
3341
3342 2005-07-30  Jan Hubicka  <jh@suse.cz>
3343
3344         * expr.c (expand_expr_real_1): Do not load mem targets into register.
3345         * i386.c (ix86_fixup_binary_operands): Likewise.
3346         (ix86_expand_unary_operator): Likewise.
3347         (ix86_expand_fp_absneg_operator): Likewise.
3348         * optabs.c (expand_vec_cond_expr): Validate dest.
3349
3350 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3351
3352         PR c/21720
3353         * real.c (real_from_string): Also set last bit if there is a
3354         nonzero hex digit beyond GCC's internal precision after ".".
3355
3356 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
3357
3358         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
3359         define_constants.  Change duplicate values to unassigned numbers.
3360         Change UNSPEC_SUBS to UNSPEC_VSUBS.
3361         (*altivec_vspltsf): New.
3362         (altivec_vperm_v4sf): Delete.
3363         (altivec_vperm_<mode>): Use mode macro V.
3364         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
3365         (altivec_predicate_v4sf): Delete.
3366         (altivec_predicate_<mode>): Use mode macro V.
3367         (*altivec_lvesfx): New.
3368         (*altivec_stvesfx): New.
3369         (vec_realign_load_v4sf): Delete.
3370         (vec_realign_load_<mode>): Use mode macro V.
3371         * config/rs6000/rs6000.c (generate_set_vrsave): Use
3372         UNSPECV_SET_VRSAVE.
3373
3374 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
3375
3376         PR bootstrap/23131
3377         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
3378         string.
3379         * configure: Regenerated.
3380
3381 2005-07-29  Paul Brook  <paul@codesourcery.com>
3382
3383         * doc/install.texi: Add link to GFortran binaries wiki page.
3384
3385 2005-07-29  David Ung  <davidu@mips.com>
3386
3387         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
3388         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
3389         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
3390         * config/mips/mips.md (cpu): Add 5kf name.
3391         (includes): Includes 5k.md.
3392         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
3393         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
3394         -march flag.
3395
3396 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3397
3398         PR 22550
3399         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
3400         (cleanup_tree_cfg): ... here.
3401         Call cleanup_tree_cfg_1 until there are no more cleanups to
3402         do.
3403
3404 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
3405
3406         * tree-vrp.c (compare_range_with_value): Return true or false
3407         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
3408         EQ_EXPR respectively.
3409
3410 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
3411
3412         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
3413         Fix comment typos.
3414
3415 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
3416
3417         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
3418         (tree_ssa_dominator_optimize): Increment it.
3419         (dump_dominator_optimization_stats): Print it.
3420
3421 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
3422             Steven Bosscher  <stevenb@suse.de>
3423
3424         PR rtl-optimization/23117
3425         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
3426         when head == tail.  Tidy comment.
3427
3428 2005-07-28  Richard Henderson  <rth@redhat.com>
3429
3430         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
3431         * cselib.c (rtx_equal_for_cselib_p): Likewise.
3432         * jump.c (rtx_renumbered_equal_p): Likewise.
3433         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
3434         CONST_INT and CONST_DOUBLE.
3435         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
3436         * reload.c (operands_match_p): Special case CONST_INT and
3437         CONST_DOUBLE; check mode earlier.
3438
3439 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3440
3441         PR c/22240
3442         * c-typeck.c (convert_for_assignment): Do not check
3443         DECL_IN_SYSTEM_HEADER on NULL fundecl.
3444
3445 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3446
3447         PR c/22192
3448         * c-typeck.c (composite_type): Prefer constant size arrays to
3449         VLAs.
3450
3451 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
3452
3453         PR c/21720
3454         * real.c (real_from_string): Set last bit if there is a nonzero
3455         hex digit beyond GCC's internal precision.
3456
3457 2005-07-28  Richard Henderson  <rth@redhat.com>
3458
3459         PR rtl-opt/22619
3460         * cfgcleanup.c (try_forward_edges): Watch out for end of
3461         insn chain.
3462
3463 2005-07-28  James E Wilson  <wilson@specifixinc.com>
3464
3465         PR c/23106
3466         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
3467
3468 2005-07-28  Jan Hubicka  <jh@suse.cz>
3469
3470         * Makefile.in (rtl-profile.o): Kill all traces of it.
3471         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
3472         * coverage.h (rtl_coverage_counter_ref): Kill.
3473         * opts.c (flag_speculative_prefetching_set): Kill.
3474         (flag_loop_optimize_set): New.
3475         (common_handle_option): Disable loop optimizer when profiling;
3476         do not handle speculative prefetching.
3477         * passes.c (init_optimization_passes): Replace pass_profiling combo
3478         by branch_prob pass.
3479         * profile.c (compute_value_histograms): Update for simplified value
3480         profiles.
3481         (rtl_register_profile_hooks): Kill.
3482         (pass_profiling): Kill.
3483         (rest_of_handle_branch_prob): Do not profile.
3484         * toplev.c (process_options): Remove speculative prefetching.
3485         * toplev.h (flag_tree_based_profiling): Kill.
3486         * tree-profile.c (prepare_instrumented_value,
3487         tree_gen_interval_profiler, tree_gen_pow2_profiler,
3488         tree_gen_one_value_profiler, do_tree_profiling): Update for
3489         simplified datastructures.
3490         * value-prof.c: Add comment that speculative prefetching was dropped;
3491         update rest of file for simplified datastructures.
3492         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
3493         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
3494         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
3495         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
3496         rtl_mod_subtract, gen_speculative_prefetch,
3497         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
3498         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
3499         (gate_handle_value_profile_transformations,
3500         rest_of_handle_value_profile_transformations,
3501         pass_value_profile_transformations): Kill.
3502         * value-prof.h (histogram_value_t): Remove IL based unions.
3503         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
3504         rtl_profile_hooks): Remove hooks.
3505
3506         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
3507
3508         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
3509         (cgraph_clone_node): Likewise.
3510         * cgraph.h (cgraph_clone_edge): Update prototype.
3511         (cgraph_clone_node): Likewise.
3512         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
3513         cgraph_clone_node.
3514         (lookup_recursive_calls): Consider profile.
3515         (cgraph_decide_recursive_inlining): Fix updating; use new
3516         probability argument; use profile.
3517         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
3518         * tree-inline.c (copy_bb): Update clal of clone_edge.
3519         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
3520
3521         * invoke.texi (min-inline-recursive-probability): Document.
3522
3523 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
3524
3525         * doc/install.texi (Configuration): Update Valgrind homepage.
3526
3527 2005-07-28  Richard Henderson  <rth@redhat.com>
3528
3529         PR middle-end/21362
3530         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
3531         labels we want to delete.
3532         (cfg_layout_merge_blocks): Likewise.
3533
3534 2005-07-28  Richard Henderson  <rth@redhat.com>
3535
3536         PR target/17692
3537         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
3538         when expanding to nothing.
3539
3540 2005-07-28  Josh Conner  <jconner@apple.com>
3541
3542         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
3543         (cgraph_decide_inlining_of_small_functions): Likewise.
3544
3545 2005-07-28  Josh Conner  <jconner@apple.com>
3546
3547         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
3548         direction of badness if negative.
3549         (cgraph_default_inline_p): Add reason to parameters, and assign it
3550         a value.
3551         (cgraph_decide_inlining_of_small_functions): New parameter in call
3552         to cgraph_default_inline_p.
3553         (cgraph_decide_inlining_incrementally): Likewise.
3554         * cgraphunit.c (decide_is_function_needed): Likewise.
3555         * cgraph.h (cgraph_default_inline_p): Likewise.
3556
3557 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3558
3559         * builtins.c: Fix comment typo(s).
3560         * genautomata.c: Likewise.
3561         * gimplify.c: Likewise.
3562         * tree-dfa.c: Likewise.
3563         * tree-flow-inline.h: Likewise.
3564         * tree-into-ssa.c: Likewise.
3565         * tree-ssa-alias.c: Likewise.
3566         * tree-ssa-ccp.c: Likewise.
3567         * tree-ssa-copy.c: Likewise.
3568         * tree-ssa-dce.c: Likewise.
3569         * tree-ssa-dom.c: Likewise.
3570         * tree-ssa-operands.c: Likewise.
3571         * tree-tailcall.c: Likewise.
3572         * tree-vectorizer.c: Likewise.
3573         * tree-vrp.c: Likewise.
3574         * tree.c: Likewise.
3575
3576 2005-07-28  Jeff Law  <law@redhat.com>
3577
3578         * tree-vrp.c (test_for_singularity): Extracted from  ...
3579         (simplify_cond_using_ranges): Attempt to simplify a relational
3580         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
3581
3582 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
3583
3584         PR tree-optimization/22506
3585         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
3586         phis whose argument is constant.
3587
3588 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
3589
3590         PR rtl-optimization/18992
3591         Back out this patch:
3592           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3593           PR optimization/12142
3594           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
3595           uses of the register in the SET_SRC.  Remove unnecessary argument.
3596
3597         Replace it with this:
3598         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
3599         if flag_non_call_exceptions is set and the insn may trap, pass
3600         pc_rtx as dest for recursion.
3601         In SET_SRC part of SET case, if dest is already set, pass it down
3602         unchanged.
3603
3604 2005-07-28  Jan Hubicka  <jh@suse.cz>
3605
3606         * cfg.c (update_bb_profile_for_threading): Use RDIV.
3607         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
3608         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
3609         roundoff errors.
3610         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
3611         profile when available.
3612
3613 2005-07-28  Jan Beulich <jbeulich@novell.com>
3614
3615         * config/ia64/ia64.c (ia64_load_pair_ok): New.
3616         (ia64_print_operand): Describe and handle 'X'.
3617         (ia64_register_move_cost): Also handle FP_REGS.
3618         (ia64_preferred_reload_class): Likewise.
3619         (ia64_secondary_reload_class): Likewise.
3620         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
3621         it. Also check for ITANIUM_CLASS_FLDP.
3622         * config/ia64/ia64.h (FP_REGNO_P): New.
3623         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
3624         (reg_class): Add FP_REGS.
3625         (REG_CLASS_NAMES): Adjust for it.
3626         (REG_CLASS_CONTENTS): Likewise.
3627         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
3628         (REG_CLASS_FROM_LETTER): Handle 'x'.
3629         (CLASS_MAX_NREGS): Handle FP_REGS.
3630         (MEMORY_MOVE_COST): Likewise.
3631         * config/ia64/ia64.md (itanium_class): Add fldp.
3632         (type): Handle fldp.
3633         (movti_internal): More allowable operand combinations. Use ldfp8 when
3634         splitting unnecessary. Remove predicable attribute. Adjust
3635         itanium_class attribute.
3636         (smuldi3_highpart): Remove outdated comment.
3637         (mulditi3, umulditi3, rotlti3): New expanders.
3638         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
3639         (absti2): Disabled new insn for future reference.
3640         Respective new splitters.
3641         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
3642         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
3643         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
3644
3645 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
3646
3647         PR rtl-optimization/23047
3648         * simplify-rtx.c (simplify_const_relational_operation): Respect
3649         flag_wrapv for comparisons with ABS.
3650
3651 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
3652
3653         PR tree-optimization/22493
3654         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
3655         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
3656
3657 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
3658
3659         * config/frv/frv.opt (moptimize-membar): New.
3660
3661         * doc/invoke.texi: Document -moptimize-membar and its inverse.
3662
3663         * config/frv/frv.h: Remove machine_function definition.
3664
3665         * config/frv/frv.c (struct frv_io): New.
3666         (struct machine_function): Moved from frv.h.  Add has_membar_p.
3667         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
3668         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
3669         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
3670         (frv_optimize_membar_global, frv_optimize_membar): New functions.
3671         (frv_reorg): Call frv_optimize_membar when appropriate.
3672         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
3673         (frv_expand_builtin): Adjust calls accordingly.
3674         (frv_io_address_cookie): New function.
3675         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
3676         load or store rather than a special insn.  Add ccnstant address and
3677         io-type operands to the membar.
3678         (frv_ifcvt_modify_tests): Unsign regno.
3679         (frv_ifcvt_modify_tests): Same.
3680
3681         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
3682         UNSPEC_OPTIONAL_MEMBAR constant.
3683         (builtin_read_<mode>): Delete.
3684         (builtin_write_<mode>): Delete.
3685         ("optional_membar_<mode>"): Add operand.
3686
3687         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
3688         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
3689         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
3690         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
3691         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
3692         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
3693         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
3694         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
3695         * testsuite/gcc.target/frv/all-read-write-1.c: New.
3696
3697 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
3698
3699         * df.c (df_uses_record): Handle SCRATCH.
3700
3701 2005-07-28  Steven Bosscher  <stevenb@suse.de>
3702
3703         PR debug/20161
3704         * passes.c (rest_of_decl_compilation): If decl is a type and
3705         we have encountered errors, don't emit debug information.
3706
3707 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
3708
3709         * params.def: Fixed comment.
3710
3711 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
3712
3713         PR target/19885
3714         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
3715         (TARGET_ASM_UNALIGNED_HI_OP): Add.
3716         (TARGET_ASM_UNALIGNED_SI_OP): Add.
3717
3718 2005-07-27  Steven Bosscher  <stevenb@suse.de>
3719
3720         PR c++/22003
3721         * varasm.c (assemble_start_function): Don't do anything that may
3722         require a CFG if the current function is a thunk.
3723
3724 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
3725
3726         * doc/install.texi (Prerequisites): Mention that perl is needed
3727         to do export control in libstdc++ targetting Darwin.
3728
3729 2005-07-27  Steven Bosscher  <stevenb@suse.de>
3730
3731         PR rtl-optimization/17808
3732         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
3733         (sched_insns_conditions_mutex_p): Split out from...
3734         (add_dependence): ...here.  But don't call it from here.
3735         (add_dependence_list): Check sched_insns_conditions_mutex_p
3736         before calling add_dependence.
3737         (add_dependence_list_and_free): Likewise.
3738         (fixup_sched_groups): Likewise.
3739         (sched_analyze_1): Likewise.
3740         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
3741         (sched_analyze): Likewise.
3742         (sched_analyze_insn): Likewise.
3743         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
3744         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
3745         dependencies on all COND_EXEC insns to jumps ending basic blocks
3746         when doing intrablock scheduling.
3747         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
3748
3749 2005-07-27  Jeff Law  <law@redhat.com>
3750
3751         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
3752         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
3753         equivalency sets, correctly handle the case were vr0 has an
3754         equivalency set, but vr1 does not.
3755
3756 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
3757
3758         PR tree-optimization/23073
3759         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
3760         vect_print_dump_info before fprintf.
3761
3762 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3763
3764         PR tree-optimize/22348
3765         * tree-ssa-loop-niter.c (number_of_iterations_cond):
3766         Fold the partial computation.
3767
3768 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3769
3770         PR tree-optimization/22325
3771         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
3772         Declare.
3773         * tree-scalar-evolution.c (scev_const_prop): Add generic final
3774         value replacement.
3775         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
3776         (force_var_cost): ... this function.
3777         (compute_phi_arg_on_exit): Export.
3778
3779 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
3780
3781         PR tree-optimization/20773
3782         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
3783         edge.
3784
3785 2005-07-27  Richard Guenther  <rguenther@suse.de>
3786
3787         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
3788         Avoid pushing again if current struct contains only
3789         fields we decomposed.
3790
3791 2005-07-27  Jan Hubicka  <jh@suse.cz>
3792
3793         PR tree-optimization/22574
3794         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
3795         not available.
3796
3797         * tree-tailcall.c (decrease_profile): New function.
3798         (eliminate_tail_call): Use it.
3799
3800         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
3801         visibility flags correctly in whole program mode.
3802
3803 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
3804
3805         PR rtl-optimization/22472
3806         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
3807
3808 2005-07-26  Steven Bosscher  <stevenb@suse.de>
3809
3810         PR tree-optimization/22504
3811         * tree-complex.c (expand_complex_addition): Use 'code' instead
3812         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
3813
3814 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3815
3816         * config.gcc (cpu_type): Add frv case.
3817         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
3818         (supported_defaults): Add fr550 case.
3819
3820 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
3821
3822         PR 22591
3823         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
3824         whether a pointer of type T * may point to objects of type T *.
3825
3826 2005-07-26  DJ Delorie  <dj@redhat.com>
3827
3828         * configure: Regenerate.
3829
3830 2005-07-26  Dale Johannesen  <dalej@apple.com>
3831
3832         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
3833
3834 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
3835
3836         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
3837         Clarify use of "build" in name.
3838
3839 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
3840
3841         * doc/extend.texi (Raw read/write Functions): New section.
3842         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
3843         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
3844         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
3845         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
3846         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
3847         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
3848         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
3849         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
3850         * config/frv/frv.c: Add bdesc_loads global.
3851         Add bdesc_stores global.
3852         (frv_init_builtins): Add support for __builtin_{read/write}*.
3853         (frv_volatile_memref): New.
3854         (frv_expand_load_builtin): New.
3855         (frv_expand_store_builtin): New.
3856         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
3857         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
3858         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
3859         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
3860         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
3861         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
3862         (builtin_read_<mode>): New.
3863         (builtin_write_<mode>): New.
3864         (builtin_write64): New.
3865         (optional_membar_<mode>): New.
3866
3867 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
3868
3869         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
3870         (rather than units) against HOST_BITS_PER_WIDE_INT.
3871
3872 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
3873
3874         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
3875         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
3876         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
3877         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
3878         FSF address.
3879
3880         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
3881         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
3882         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
3883         comment typos.
3884         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
3885
3886 2005-07-26  Richard Guenther  <rguenther@suse.de>
3887
3888         PR tree-optimization/22486
3889         * fold-const.c (fold_unary): Fold away useless component
3890         references of the form (T *)&T.x, if the address
3891         doesn't change.
3892
3893 2005-07-25  James E Wilson  <wilson@specifixinc.com>
3894
3895         * dwarf2out.c (add_call_src_coords_attributes): New.
3896         (gen_inlined_subroutine_die): Call it.
3897         (maybe_emit_file, init_file_table): Add comments.
3898         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
3899         maybe_emit_file.
3900         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
3901         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
3902         * tree.h (BLOCK_SOURCE_LOCATION): New.
3903         (struct tree_block): New field locus.
3904
3905 2005-07-26  Andreas Schwab  <schwab@suse.de>
3906
3907         PR rtl-optimization/23043
3908         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
3909         when allocating a struct unoccr.
3910
3911 2005-07-25  Richard Henderson  <rth@redhat.com>
3912
3913         PR 22626
3914         * tree-complex.c (gate_no_optimization): True if errors.
3915         * Makefile.in (tree-complex.o): Update dependencies.
3916
3917 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
3918
3919         * config/frv/predicates.md (integer_register_operand): Use
3920         GPR_AP_OR_PSEUDO_P.
3921
3922 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3923
3924         PR tree-opt/22484
3925         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
3926         after fold.
3927         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
3928
3929 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
3930
3931         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
3932         types when flag_unsafe_math_optimizations is true.
3933
3934 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
3935
3936         * gcc.c (option_map): Add --sysroot.
3937         (process_command): Handle --sysroot.
3938         (display_help): Document it.
3939         * doc/cppopts.tex (-isysroot): Document.
3940         * doc/invoke.texi (--sysroot): Document.
3941         * doc/install.texi (--with-build-sysroot): Document.
3942
3943         * Makefile.in (inhibit_libc): New variable.
3944         (INHIBIT_LIBC_CFLAGS): Likewise.
3945         (LIBGCC2_CFLAGS): Include
3946         $(INHIBIT_LIBC_CFLAGS).
3947         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
3948         ($(T)crtbegin.o): Do not use @inhibit_libc@.
3949         ($(T)crtend.o): Likewise.
3950         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
3951         ($(T)crtendS.o): Likewise.
3952         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
3953         ($(T)crtendT.o): Likewise.
3954         (stmp-fixinc): Do not complain about missing headers if
3955         inhibit_libc.
3956         * configure.ac (inhibit_libc): Set it to true/false.
3957         (--with-build-sysroot): New option.  Use it to set
3958         SYSTEM_HEADER_DIR.
3959         * configure: Regenerated.
3960
3961 2005-07-25  Manfred Hollstein  <mh@suse.com>
3962
3963         * calls.c (store_one_arg): Fix unsigned comparison warning.
3964
3965 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
3966
3967         PR other/22337
3968         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
3969         (ggc_print_statistics): Initialize variable before use.
3970
3971 2005-07-25  Richard Guenther  <rguenther@suse.de>
3972
3973         * tree-dfa.c (mark_new_vars_to_rename): Protect against
3974         calling with a PHI_NODE argument.
3975
3976         * tree-flow-inline.h (overlap_subvar): Protect against
3977         possible overflow.
3978
3979 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
3980
3981         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
3982         * configure: Regenerate.
3983
3984 2005-07-25  Ira Rosen  <irar@il.ibm.com>
3985
3986         * expr.c (highest_pow2_factor): Make extern.
3987         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
3988         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
3989         record_array_differ_p, array_ptr_differ_p): Likewise.
3990         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
3991         additional cases. Call the above functions.
3992         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
3993         base_object_differ_p when there are two base objects. Otherwise, compare
3994         base address and offset. Call may_alias_p.
3995         (dump_data_reference): Use a correct field name.
3996         (analyze_array): Make static. Initialize new data-ref fields.
3997         (analyze_indirect_ref): New function.
3998         (init_data_ref): Initialize new data-ref fields.
3999         (strip_conversion): Moved from tree-vect-analyze.c.
4000         (analyze_offset_expr, get_ptr_offset, address_analysis,
4001         object_analysis): Likewise.
4002         (analyze_offset): New function.
4003         (create_data_ref): Likewise.
4004         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
4005         dimensions for ARRAY_REFs only.
4006         (build_classic_dist_vector): Make static.
4007         (access_functions_are_affine_or_constant_p): Call macro to get the
4008         address of access functions.
4009         (compute_all_dependences): Add new parameter
4010         compute_self_and_read_read_dependences. Compute self and read-read
4011         dependences if it is true.
4012         (find_data_references_in_loop): Call create_data_ref. Initialize new
4013         data-ref fields.
4014         (compute_data_dependences_for_loop): Add new parameter
4015         compute_self_and_read_read_dependences. Remove parameter nb_loops,
4016         compute nb_loops. Call compute_all_dependences,
4017         build_classic_dist_vector and build_classic_dir_vector with correct
4018         parameters.
4019         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
4020         with correct parameters. Compare dimensions for ARRAY_REFs only.
4021         (free_data_refs): Call macro to free access functions.
4022         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
4023         fields from stmt_vinfo.
4024         (struct base_object_info): New structure.
4025         (struct data_reference): Move fields to base_object_info. Add fields
4026         first_location and object_info for above structures. Move fields from
4027         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
4028         aligned_to.  Add macros to access the new fields.
4029         Update functions declarations.
4030         * tree-flow.h (is_aliased_with): Declare.
4031         * tree-loop-linear.c (linear_transform_loops): Call
4032         compute_data_dependences_for_loop with correct parameters.
4033         * tree-ssa-alias.c (is_aliased_with): New function.
4034         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
4035         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
4036         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
4037         vect_base_addr_differ_p, compute_subscript_distance and
4038         build_classic_dist_vector. Add printings. Check absolute value of
4039         distance.
4040         (vect_analyze_data_ref_dependences): Go through ddrs instead of
4041         data-refs.
4042         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
4043         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
4044         to bytes. Add printing.
4045         (vect_compute_data_refs_alignment): Go through loads and stores in one
4046         loop.
4047         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
4048         vect_analyze_data_ref_access): Likewise.
4049         (vect_analyze_pointer_ref_access): Remove.
4050         (vect_address_analysis, vect_object_analysis): Likewise.
4051         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
4052         and analyze data-refs in the loop.
4053         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
4054         fields of data-ref instead of stmt. Add init to the offset from the
4055         base.
4056         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
4057         (vect_update_init_of_dr): Likewise.
4058         (vect_update_inits_of_drs): Go through loads and stores in one loop.
4059         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
4060         removed fields.
4061         (new_loop_vec_info): Initialize new fields.
4062         (destroy_loop_vec_info): Free new fields.
4063         (vect_strip_conversion): Remove.
4064         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
4065         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
4066         datarefs. Add new field ddrs.
4067         Add macros for the new fields access.
4068         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
4069         base_aligned_p, misalignment, memtag, ptr_info and subvars.
4070         Remove their macros.
4071         * tree.h (highest_pow2_factor): Declare.
4072
4073 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
4074
4075         * calls.c (store_one_arg): Check for sibling call MEM arguments
4076         from already clobbered incoming argument area.
4077
4078 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4079
4080         * c-common.c (check_missing_format_attribute): New.
4081         * c-common.h (check_missing_format_attribute): Likewise.
4082         * c-typeck.c (convert_for_assignment): Use it.
4083
4084 2005-07-24  Andreas Schwab  <schwab@suse.de>
4085
4086         * config/m68k/m68k.md ("extendqidi2"): When source is an address
4087         register use a word move.  Correct operand of ext.w in 68000 code.
4088
4089 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
4090
4091         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
4092         variables as declarations, rather than definitions.
4093
4094 2005-07-24  Ira Rosen  <irar@il.ibm.com>
4095
4096         PR tree-optimization/22526
4097         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
4098         of the zero node.
4099
4100 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4101
4102         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
4103         that C99 reserve for future use. Use it to define clog10,
4104         clog10f and clog10l.
4105
4106 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4107
4108         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
4109         * configure.ac: Check for -Wmissing-format-attribute.
4110
4111         * configure: Regenerate.
4112
4113 2005-07-23  Richard Henderson  <rth@redhat.com>
4114
4115         PR tree-optimization/22623
4116         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
4117
4118 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
4119
4120         PR target/22577
4121         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
4122
4123 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4124
4125         * Makefile.in (C_TREE_H): Update dependencies.
4126         * c-tree.h: Include toplev.h.
4127         * diagnostic.h (diagnostic_set_info): Add format attribute.
4128         * rtl-error.c (diagnostic_for_asm): Likewise.
4129
4130 2005-07-23  Chao-ying Fu  <fu@mips.com>
4131
4132         * config/mips/mips-dsp.md: New file.
4133         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
4134         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
4135         functions.
4136         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
4137         MIPS_BUILTIN_BPOSGE32.
4138         (mips_expand_builtin_direct): Add one parameter to indicate that
4139         builtin functions need to return a value.
4140         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
4141         functions.
4142         (mips_regno_to_class): Add classes for 12 new DSP registers.
4143         (mips_subword): Change to check four HI registers.
4144         (mips_output_move): Output move to and from 6 new DSP accumulators.
4145         (override_options): Make sure -mdsp and -mips16 are not used together.
4146         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
4147         for machine modes.
4148         (mips_conditional_register_usage): Disable 6 new DSP accumulators
4149         when !TARGET_DSP.
4150         (print_operand): Add 'q' for printing DSP accumulators.
4151         (mips_cannot_change_mode_class): Check ACC_REGS.
4152         (mips_secondary_reload_class): Check ACC_REGS.
4153         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
4154         (mips_register_move_cost): Check ACC_REGS.
4155         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
4156         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
4157         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
4158         (dsp_bdesc): New array.
4159         (bdesc_arrays): Add DSP builtin function table.
4160         (mips_prepare_builtin_arg): Check predicate again after
4161         copy_to_mode_reg.
4162         (mips_expand_builtin): Add one more parameter to
4163         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
4164         MIPS_BUILTIN_BPOSGE32.
4165         (mips_init_builtins): Initialize new function types.
4166         (mips_expand_builtin_direct): Check if builtin functions need to
4167         return a value and pass operands properly.
4168         (mips_expand_builtin_bposge): New function.
4169         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
4170         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
4171         (FIRST_PSEUDO_REGISTER): Increase to 188.
4172         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
4173         Update for 12 new DSP registers.
4174         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
4175         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
4176         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
4177         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
4178         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
4179         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
4180         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
4181         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
4182         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
4183         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
4184         (REGISTER_NAMES): Add names for 12 new DSP registers.
4185         * config/mips/mips.md: Include mips-dsp.md.
4186         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
4187         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
4188         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
4189         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
4190         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
4191         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
4192         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
4193         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
4194         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
4195         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
4196         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
4197         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
4198         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
4199         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
4200         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
4201         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
4202         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
4203         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
4204         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
4205         (UNSPEC_RDDSP): New constants.
4206         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
4207         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
4208         A<-d alternative.
4209         * config/mips/mips.opt (-mdsp): New option.
4210         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
4211         (reg_imm10_operand): New predicates.
4212         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
4213         * doc/invoke.texi (-mdsp): Document new option.
4214
4215 2005-07-22  DJ Delorie  <dj@redhat.com>
4216
4217         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
4218         to warning calls.
4219         * tree-inline.c (inlinable_function_p): Likewise.
4220
4221 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
4222
4223         PR debug/21828
4224         * toplev.c (check_global_declarations): Do not mark undefined
4225         variables as DECL_IGNORED_P.
4226         * varasm.c (first_global_object_name): GTY it.
4227         (weak_global_object_name): Likewise.
4228         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
4229         a string to go into {weak,first}_global_object_name.
4230
4231 2005-07-22  DJ Delorie  <dj@redhat.com>
4232
4233         * c-format.c (check_function_format): Change warning control
4234         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
4235
4236 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
4237
4238         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
4239         &PTR->FLD a dereference of PTR.
4240         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
4241         a potential dereference of PTR.
4242
4243 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
4244
4245         PR rtl-optimization/20370
4246         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
4247         call allocate_reg_info if necessary.
4248
4249         PR rtl-optimization/21848
4250         * calls.c (emit_library_call_value_1): For const functions, add
4251         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
4252
4253         PR rtl-optimization/22445
4254         * cselib.c (target.h): Include.
4255         (rtx_equal_for_cselib_p): Allow commutative matches.
4256         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
4257         Remove MODE parameter.  Changed all callers.
4258
4259         PR rtl-optimization/22258
4260         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
4261         New functions.
4262         (try_combine): Use likely_spilled_retval_p.
4263
4264 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
4265
4266         * config.gcc: Add crx-elf support.
4267
4268         * doc/contrib.texi: Mention crx.
4269         * doc/extend.texi: Document crx extensions.
4270         * doc/install.texi: Document crx install.
4271         * doc/invoke.texi: Document crx options.
4272         * doc/md.texi: Document crx constraints.
4273
4274         * config/crx/crx-protos.h: New file.
4275         * config/crx/crx.c: New file.
4276         * config/crx/crx.h: New file.
4277         * config/crx/crx.md: New file.
4278         * config/crx/crx.opt: New file.
4279         * config/crx/t-crx: New file.
4280
4281 2005-07-22  Manfred Hollstein  <mh@suse.com>
4282
4283         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
4284         warnings.
4285         (int_add_graph_edge): Likewise.
4286         (collapse_nodes): Likewise.
4287         (process_unification_queue): Likewise.
4288
4289 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
4290             Laurent GUERBY  <laurent@guerby.net>
4291
4292         PR tree-optimization/22336
4293         * function.c (record_block_change): Check for
4294         cfun->ib_boundaries_block.
4295
4296 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
4297
4298         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
4299         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
4300
4301 2005-07-21  DJ Delorie  <dj@redhat.com>
4302
4303         * toplev.c (warn_deprecated_use): Add warning control to warning
4304         call.
4305         * c-typeck.c (parser_build_binary_op): Likewise.
4306         (c_finish_if_stmt): Likewise.
4307         * c-common.c (check_function_sentinel): Likewise.
4308         (check_nonnull_arg): Likewise.
4309
4310 2005-07-21  Richard Henderson  <rth@redhat.com>
4311
4312         PR tree-opt/22504
4313         * tree-complex.c (complex_ssa_name_components): New.
4314         (cvc_lookup): Allow entry not found.
4315         (create_components): Remove.
4316         (create_one_component_var, get_component_var): New.
4317         (get_component_ssa_name, set_component_ssa_name): New.
4318         (extract_component): Use get_component_ssa_name.
4319         (update_complex_components): Use set_component_ssa_name.
4320         (update_complex_components_on_edge): Likewise.
4321         (update_phi_components): Create new PHI nodes directly, instead
4322         of adding insns to edges.
4323         (tree_lower_complex): Allocate and free complex_variable_components
4324         and complex_ssa_name_components here.
4325
4326 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
4327
4328         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
4329         revert to returning false.
4330
4331 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4332
4333         PR target/21149
4334         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
4335
4336 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
4337
4338         PR target/22576
4339         * config/i386/i386.md (cmpxf): Change operand constraints
4340         to "nonmemory_operand".
4341
4342 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4343
4344         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
4345
4346 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4347
4348         PR middle-end/21180
4349         * fold-const.c (fold_build1): Add checksum for the operands.
4350         (fold_build2): Likewise.
4351         (fold_build3): Likewise.
4352
4353 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
4354
4355         PR middle-end/19055
4356         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
4357
4358 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4359
4360         * common.opt (-fforward-propagate): Committed by mistake,
4361         removed.
4362
4363 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
4364
4365         * reg-stack.c: Fix comment typo(s).
4366         * tree-ssa-operands.c: Likewise.
4367         * tree-vectorizer: Likewise.
4368
4369 2005-07-21  Nick Clifton  <nickc@redhat.com>
4370
4371         * config/sh/symbian.c: Replace C++ style line comments with C
4372         style line comments.
4373         (symbian_add_attribute): Do not use a ? operator on the LHS of
4374         an assignment.
4375         (sh_symbian_handle_dll_attribute): Change the type of the
4376         method vector to "VEC(tree,gc)*" and use vector accessor
4377         macros to walk over the elements.
4378         (symbian_export_vtable_and_rtti_p): Likewise.
4379         (symbian_class_needs_attribute_p): Likewise.
4380
4381 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4382
4383         PR target/22085
4384         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
4385         initialize targetm.resolve_overloaded_builtin here.
4386         (altivec_expand_overloaded_builtin): Make it non-static.
4387         * config/rs6000/rs6000-protos.h
4388         (altivec_expand_overloaded_builtin): New prototype.
4389         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
4390         targetm.resolve_overloaded_builtin here.
4391         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
4392
4393 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
4394             Zdenek Dvorak  <dvorakz@suse.cz>
4395
4396         PR tree-optimization/19210
4397         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
4398         New.
4399         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
4400         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
4401         rely on unproven assumptions.
4402         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
4403         * tree-flow.h (number_of_iterations_exit): Add final parameter.
4404         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
4405         to number_of_iterations_exit.
4406         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
4407         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
4408         * tree-ssa-loop-niter.c (find_loop_niter,
4409         estimate_numbers_of_iterations_loop): Likewise.
4410         (number_of_iterations_exit): Honor the new options.
4411         * doc/invoke.texi (Wunsafe-loop-optimizations,
4412         funsafe-loop-optimizations): Document them.
4413
4414 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
4415
4416         PR rtl-optimization/22167
4417         * gcse.c (hoist_code): Fix hoist_exprs[] check.
4418
4419 2005-07-20  Adam Nemet  <anemet@lnxw.com>
4420
4421         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
4422         __do_global_dtors_aux longcall.
4423
4424 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
4425
4426         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
4427         (old_special_pred_table): Don't reference
4428         SPECIAL_MODE_PREDICATES.
4429         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
4430         * config/arc/arc.h: Don't mention PREDICATE_CODES.
4431         * config/sh/predicates.h: Don't mention
4432         SPECIAL_MODE_PREDICATES.
4433         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
4434         Remove.
4435
4436 2005-07-20  DJ Delorie  <dj@redhat.com>
4437
4438         * config.gcc: Add m32c-elf support.
4439
4440         * doc/contrib.texi: Mention m32c.
4441         * doc/extend.texi: Document m32c extensions.
4442         * doc/install.texi: Mention m32c.
4443         * doc/invoke.texi: Document m32c options.
4444         * doc/md.texi: Document m32c constraints.
4445
4446         * config/m32c/addsub.md: New file.
4447         * config/m32c/bitops.md: New file.
4448         * config/m32c/cond.md: New file.
4449         * config/m32c/jump.md: New file.
4450         * config/m32c/m32c-lib1.S: New file.
4451         * config/m32c/m32c-lib2.c: New file.
4452         * config/m32c/m32c-modes.def: New file.
4453         * config/m32c/m32c-pragma.c: New file.
4454         * config/m32c/m32c-protos.h: New file.
4455         * config/m32c/m32c.abi: New file.
4456         * config/m32c/m32c.c: New file.
4457         * config/m32c/m32c.h: New file.
4458         * config/m32c/m32c.md: New file.
4459         * config/m32c/m32c.opt: New file.
4460         * config/m32c/minmax.md: New file.
4461         * config/m32c/mov.md: New file.
4462         * config/m32c/muldiv.md: New file.
4463         * config/m32c/predicates.md: New file.
4464         * config/m32c/prologue.md: New file.
4465         * config/m32c/shift.md: New file.
4466         * config/m32c/t-m32c: New file.
4467
4468 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4469
4470         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
4471         (stack_protect_set, stack_protect_test): New expanders.
4472         (stack_protect_set_si, stack_protect_set_si_media,
4473         stack_protect_set_di_media, stack_protect_test_si,
4474         stack_protect_test_si_media, stack_protect_test_di_media):
4475         New insns.
4476
4477 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
4478
4479         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
4480
4481 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
4482
4483         * tree.h (tree_expr_nonzero_p): Export.
4484         * fold-const.c (tree_expr_nonzero_p): Likewise.
4485         Return true for CALL_EXPRs that are alloca calls.
4486         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
4487         against zero.
4488         * tree-flow.h (expr_computes_nonzero): Remove.
4489         * tree-vrp.c (expr_computes_nonzero): Remove.
4490         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
4491         (extract_range_from_unary_expr): Likewise.
4492         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
4493         tree_expr_nonzero_p.
4494
4495 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
4496
4497         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
4498         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
4499         extra arg "picreg" and use it instead of pic_offset_table_rtx.
4500         All callers changed.
4501         (frame_related_constant_load): New arg "related" which controls
4502         setting of RTX_FRAME_RELATED_P.  All callers changed.
4503         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
4504         (bfin_expand_prologue): Add stack limit checking.
4505         * config/bfin/bfin.md (trapifcc): New pattern.
4506
4507         * config/bfin/bfin.c: Include "langhooks.h".
4508         (def_builtin): Go through lang_hooks to call builtin_function.
4509
4510         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
4511         * config/bfin/predicates.md (symbol_ref_operand): New.
4512         (call_insn_operand): Delete.  All callers changed to use
4513         register_no_elim_operand.
4514         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
4515         call_cookie field.
4516         (function_arg): Use it to generate the call's operand 2.
4517         (bfin_longcall_p): New function.
4518         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
4519         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
4520         determine if the address needs to be in a REG.
4521         (bfin_handle_longcall_attribute): New function.
4522         (bfin_attribute_table): Add "longcall" and "shortcall".
4523         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
4524         (CUMULATIVE_ARGS): New member call_cookie.
4525         (PREDICATE_CODES): Add symbol_ref_operand.
4526         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
4527         extra USE to the pattern.
4528         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
4529         New patterns, split off call_insn, sibcall_insn, call_value_insn and
4530         sibcall_value_insn; now the new patterns handle direct calls and the
4531         old ones indirect calls.
4532         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
4533
4534 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
4535
4536         * doc/trouble.texi: Update section on handling of empty loops.
4537
4538 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
4539
4540         * config.gcc: Remove support for sparc-*-openbsd*,
4541         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
4542         ns32k-*-netbsd*.
4543         * config.host: Remove support for i860-*-sysv4* as a host.
4544         * config/i860/*, config/ip2k/*, config/ns32k/*,
4545         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
4546         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
4547         mention obsolete ports.
4548
4549 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
4550
4551         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
4552         soft frame pointer.
4553         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
4554         of frame_pointer_rtx.
4555         (sh_expand_epilogue): Likewise.
4556         (sh_set_return_address): Likewise.
4557         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
4558         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
4559         offsets from FRAME_POINTER_REGNUM.
4560         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
4561         (sh_register_names): Add initializer for sfp.
4562         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
4563         (VALID_REGISTER_P): Likewise.
4564         (FIRST_PSEUDO_REGISTER): Update.
4565         (DWARF_FRAME_REGISTERS): Define.
4566         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
4567         (HARD_FRAME_POINTER_REGNUM): Define.
4568         (FRAME_POINTER_REGNUM): Redefine.
4569         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
4570         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
4571         from FRAME_POINTER_REGNUM.
4572         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
4573         FRAME_POINTER_REGNUM.
4574         (REG_CLASS_CONTENTS): Add sfp.
4575         (REG_ALLOC_ORDER): Likewise.
4576         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
4577         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
4578         of frame_pointer_rtx.
4579         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
4580
4581 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
4582
4583         * fold-const.c (tree_expr_nonnegative_p): Only return true for
4584         ABS_EXPR when flag_wrapv is false because of INT_MIN.
4585         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
4586         of an ABS_EXPR.
4587         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
4588         ABS_EXPR<x>.
4589
4590 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
4591
4592         Make CONSTRUCTOR use VEC to store initializers.
4593         * c-common.c (complete_array_type): Update to cope with VEC in
4594         CONSTRUCTOR_ELTS.
4595         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
4596         (pp_c_constructor_elts): New function.
4597         * c-pretty-print.h (pp_c_constructor_elts): Declare.
4598         * c-typeck.c (build_function_call, build_c_cast, digest_init,
4599         struct constructor_stack, struct initializer_stack,
4600         constructor_elements, push_init_level, pop_init_level,
4601         add_pending_init, find_init_member, output_init_element): Update to
4602         cope with VEC in CONSTRUCTOR_ELTS.
4603         * coverage.c (build_fn_info_value, build_ctr_info_value,
4604         build_gcov_info): Likewise.
4605         * expr.c (categorize_ctor_elements_1, store_constructor,
4606         expand_expr_real_1): Likewise.
4607         * fold-const.c (fold_ternary): Likewise.
4608         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
4609         gimplify_init_constructor, gimplify_expr): Likewise.
4610         * tree-dump.c (dequeue_and_dump): Likewise.
4611         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
4612         node.
4613         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
4614         CONSTRUCTOR_ELTS.
4615         * tree-sra.c (generate_element_init_1): Likewise.
4616         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
4617         * tree-ssa-operands.c (get_expr_operands): Likewise.
4618         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
4619         * tree-vect-transform.c (vect_get_vec_def_for_operand):
4620         (get_initial_def_for_reduction): Likewise.
4621         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
4622         value handle in annotations.
4623         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
4624         tree_node_structure): Add support for constr_kind.
4625         (build_vector_from_ctor, build_constructor_single,
4626         build_constructor_from_list): New functions.
4627         (build_constructor): Update to take a VEC instead of a TREE_LIST.
4628         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
4629         Update to cope with VEC in CONSTRUCTOR_ELTS.
4630         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
4631         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
4632         CONSTRUCTOR_APPEND_ELT): New macros.
4633         (struct constructor_elt, struct tree_constructor): New data types.
4634         (union tree_node): Add tree_constructor field.
4635         * treestruct.def: Define TS_CONSTRUCTOR.
4636         * varasm.c (const_hash_1, compare_constant, copy_constant,
4637         compute_reloc_for_constant, output_addressed_constants,
4638         initializer_constant_valid_p, output_constant,
4639         array_size_for_constructor, output_constructor): Update to cope with
4640         VEC in CONSTRUCTOR_ELTS.
4641         * vec.h (VEC_empty, VEC_copy): New macros.
4642
4643 2005-07-19  Devang Patel  <dpatel@apple.com>
4644
4645         * dbxout.c (dbxout_type): Check Objective-C++ lang.
4646
4647 2005-07-19  Richard Henderson  <rth@redhat.com>
4648
4649         PR tree-opt/22278
4650         * gimplify.c (gimplify_expr): Use main variant type for the temp
4651         destination for a discarded volatile read.
4652         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
4653         casts between non-void types that change volatility.
4654
4655 2005-07-15  DJ Delorie  <dj@redhat.com>
4656
4657         * toplev.h: Add comment about the first parameter for warning().
4658         * errors.h: Likewise.
4659
4660         * c.opt (Wpragmas): New.
4661         * doc/invoke.texi: Document it.
4662
4663         * function.c (do_warn_unused_parameter): Add warning control to
4664         warning call.
4665         * c-decl.c (warn_if_shadowing): Likewise.
4666         * c-lex.c (cb_def_pragma): Likewise.
4667         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
4668         (pop_alignment): Likewise.
4669         (handle_pragma_pack): Likewise.
4670         (apply_pragma_weak): Likewise.
4671         (handle_pragma_weak): Likewise.
4672         (handle_pragma_redefine_extname): Likewise.
4673         (add_to_renaming_pragma_list): Likewise.
4674         (handle_pragma_extern_prefix): Likewise.
4675         (maybe_apply_renaming_pragma): Likewise.
4676         (handle_pragma_visibility): Likewise.
4677
4678         * config/c4x/c4x-c.c (BAD): Likewise.
4679         (c4x_parse_pragma): Likewise.
4680         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
4681         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
4682         (rs6000_pragma_longcall): Likewise.
4683         * config/v850/v850-c.c (pop_data_area): Likewise.
4684         (ghs_pragma_section): Likewise.
4685         (ghs_pragma_section): Likewise.
4686         (ghs_pragma_interrupt): Likewise.
4687         (ghs_pragma_starttda): Likewise.
4688         (ghs_pragma_startsda): Likewise.
4689         (ghs_pragma_startzda): Likewise.
4690         (ghs_pragma_endtda): Likewise.
4691         (ghs_pragma_endsda): Likewise.
4692         (ghs_pragma_endzda): Likewise.
4693
4694 2005-07-19  Danny Berlin <dberlin@dberlin.org>
4695             Kenneth Zadeck <zadeck@naturalbridge.com>
4696
4697         * Makefile.in: Removed tree-promote-statics.c
4698         * tree-promote-statics.c: Removed.
4699         * common.opt: Removed flag-promote-statics.
4700         * opts.c: Ditto.
4701         * passes.c: Removed tree-promote-statics pass.
4702         * tree-pass.h: Ditto.
4703         * timevar.def: Removed TV_PROMOTE_STATICS.
4704
4705
4706 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
4707
4708         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
4709         and *-*-freebsd9.
4710         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
4711
4712 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4713
4714         PR c/22476
4715         * c-common.c (check_function_arguments): Call
4716         'check_function_format' if either -Wformat or
4717         -Wmissing-format-attribute are specified.
4718         * c-format.c (check_function_format): Check -Wformat before
4719         calling 'check_format_info'.
4720         * c-opts.c (c_common_post_options): Don't warn for
4721         -Wmissing-format-attribute without -Wformat.
4722         * c-typeck.c (convert_for_assignment): Detect additional cases for
4723         -Wmissing-format-attribute.
4724         * doc/invoke.texi (-Wmissing-format-attribute): Document new
4725         behavior.
4726
4727 2005-07-19  Richard Guenther  <rguenther@suse.de>
4728
4729         * config/i386/i386.md (lrint<mode>2): Use temporary
4730         instead of clobbering non-existent memory.
4731
4732 2005-07-19  Nick Clifton  <nickc@redhat.com>
4733
4734         * config/avr/avr.c (legitimate_address_p): Fix debugging print
4735         statement to avoid displaying ASCII control characters.
4736
4737 2005-07-19  Ben Elliston  <bje@au.ibm.com>
4738
4739         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
4740         * cfganal.c (find_edge_index): Ditto.
4741         * combine.c (combine_instructions): Ditto.
4742         * ddg.c (create_scc): Ditto.
4743         (find_successors): Ditto.
4744         (find_predecessors): Ditto.
4745         (find_nodes_on_paths): Ditto.
4746         (longest_simple_path): Ditto.
4747         * flow.c (update_life_info): Ditto.
4748         (count_or_remove_death_notes): Ditto.
4749         (clear_log_links): Ditto.
4750         * modulo-sched.c (generate_reg_moves): Ditto.
4751         (find_max_asap): Ditto.
4752         (find_max_hv_min_mob): Ditto.
4753         (find_max_dv_min_mob): Ditto.
4754         * sbitmap.c (sbitmap_first_set_bit): Ditto.
4755         * sched-rgn.c (extract_edgelst): Ditto.
4756         * tree-into-ssa.c (prepare_names_to_update): Ditto.
4757         (dump_update_ssa): Ditto.
4758         (ssa_names_to_replace) Ditto.
4759         (switch_virtuals_to_full_rewrite): Ditto.
4760         (update_ssa): Ditto.
4761         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
4762
4763 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
4764
4765         Fix PR tree-optimization/22483
4766
4767         * tree-complex.c (create_components): Use
4768         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
4769         * tree-flow-inline.h (fill_referenced_var_vec): New function.
4770         * tree-flow.h (safe_referenced_var_iterator): New structure.
4771         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
4772         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
4773         safe_referenced_var iterator.
4774         (add_type_alias): Ditto.
4775
4776 2005-07-19  Steven Bosscher  <stevenb@suse.de>
4777
4778         * loop-init.c (rest_of_handle_loop2): Remove.
4779         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
4780         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
4781         (pass_rtl_loop_init, pass_rtl_loop_done,
4782         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
4783         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
4784         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
4785         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
4786         pass_tree_loop_done, and pass_tree_unswitch.
4787         (gate_loop): Rename to gate_tree_loop.
4788         * passes.c (init_optimization_passes): Update for renamed tree
4789         loop passes.  Add the new loop2 passes as subpasses of loop2.
4790         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
4791         Update for the renamed tree loop passes.
4792
4793 2005-07-18  Ian Lance Taylor  <ian@airs.com>
4794
4795         PR middle-end/22057
4796         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
4797         blocks when optimizing.
4798
4799 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
4800
4801         * common.opt (frename-registers): Initialize to 2.
4802         (fweb): Ditto.
4803         (fgcse-after-reload): Ditto.
4804         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
4805         (process_options): Only change flag_web, flag_rename_registers,
4806         and flag_rerun_cse_after_loop if not explicitly set by user.
4807
4808 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4809
4810         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
4811         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
4812         in 64-bit mode the same as DImode in 32-bit mode.
4813         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
4814         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
4815         mode. Add new mode parameter.
4816         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
4817         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
4818         x86_64_shift_adj): New expanders.
4819         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
4820         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
4821         insns.
4822         Respective new splitters. Use renamed shift splitter helpers in 32-bit
4823         DImode shift splitters.
4824         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
4825         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
4826         mode parameter.
4827
4828 2005-07-18  Jan Beulich  <jbeulich@novell.com>
4829
4830         * i386.md (movdi_extzv_1): New.
4831         (zero_extendhidi2): Combine alternatives and never force use of
4832         REX64 prefix.
4833         (zero_extendqidi2): Likewise. Don't restrict input selection.
4834
4835 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4836
4837         Fix PR tree-optimization/22531
4838         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
4839          moment.
4840
4841 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4842
4843         * tree-promote-statics.c (pass_promote_statics): Change dump file
4844          name.
4845
4846 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
4847
4848         * tree-optimize.c (init_tree_optimization_passes): Add
4849         pass_eliminate_useless_stores pass.
4850         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
4851         * tree-ssa-pre.c (is_copy_stmt): New function.
4852         (follow_copies_till_vuse): Ditto.
4853         (do_eustores): Ditto.
4854         (gate_eustores): Ditto.
4855
4856 2005-07-16  Richard Henderson  <rth@redhat.com>
4857
4858         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
4859
4860 2005-07-16 Danny Berlin <dberlin@dberlin.org>
4861            Kenneth Zadeck <zadeck@naturalbridge.com>
4862
4863         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
4864         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
4865         ipa-type-escape.h, tree-promote-statics.c
4866         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
4867         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
4868         tree-promote-statics.c: new files.
4869         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
4870         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
4871         int nonlocal_set_p, mark_constant_function): Deleted.
4872         (rest_of_handle_cfg): Removed call to mark_constant_function.
4873         (nonoverlapping_component_refs_p): Added calls to support
4874         type based aliasing.
4875         * tree-ssa-alias.c (may_alias_p,
4876         compute_flow_insensitive_aliasing): Ditto.
4877         * calls.c (flags_from_decl_or_type): Removed reference to
4878         cgraph_rtl_info.
4879         * c-typeck.c (convert_arguments): Make builtins tolerant of having
4880         too many arguments.  This is necessary for Spec 2000.
4881         * cgraph.h (const_function, pure_function): Removed.
4882         * common.opt: Added "fipa-pure-const", "fipa-reference",
4883         "fipa-type-escape", and "ftree-promote-static".
4884         * opts.c: Ditto.
4885         * passes.c: Added ipa and tree-promote-statics passes.
4886         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
4887         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
4888         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
4889         * tree-flow.h: Added exposed sra calls and addition of
4890         reference_vars_info field for FUNCTION_DECLS.
4891         * tree-pass.h: Added passes.
4892         * tree-sra.c: (sra_init_cache): New function.
4893         (sra_insert_before, sra_insert_after) Made public.
4894         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
4895         and made public.
4896         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
4897         aliasing. (may_alias_p): Added code to use type escape analysis to
4898         improve alias sets.
4899         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
4900         code to prune clobbers of static variables based on information
4901         produced in ipa-reference pass.  Changed call clobbering so that
4902         statics are not marked as clobbered if the call does not clobber
4903         them.
4904
4905 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
4906
4907         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
4908         too.
4909
4910 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
4911
4912         * doc/install.texi (*-*-solaris2*): Document recommended version
4913         of GNU binutils and mention GNU linker problem on Solaris 10.
4914
4915 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
4916
4917         PR c/22421
4918         * c-decl.c (c_build_bitfield_integer_type): New function.
4919         (finish_struct): Call it.
4920         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
4921
4922 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4923
4924         * c-typeck.c (digest_init): Call 'convert_for_assignment'
4925         before returning.
4926
4927 2005-07-16  Jan Hubicka  <jh@suse.cz>
4928
4929         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
4930         (scale_bbs_frequencies_int): Watch roundoff errors.
4931         * predict.c (return_prediction): Initialize return_stmt.
4932
4933 2005-07-16  Jan Hubicka  <jh@suse.cz>
4934
4935         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
4936         after RTL profiling.
4937
4938 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
4939
4940         PR middle-end/22398
4941         * fold-const.c (build_range_check): Convert high/low to etype
4942         if we are only comparing against exp.
4943
4944 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
4945
4946         Fix PR tree-optimization/22376
4947         * tree-ssa-structalias.c (build_constraint_graph): We really meant
4948         special var here.
4949         (need_to_solve): New function.
4950         (compute_points_to_sets): Use it.
4951
4952 2005-07-15  Jan Hubicka  <jh@suse.cz>
4953
4954         * cfg.c (update_bb_profile_for_threading): More diagnostic.
4955         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
4956
4957 2005-07-15  Richard Guenther  <rguenther@suse.de>
4958
4959         * c-common.c (handle_flatten_attribute): New function.
4960         Add flatten function attribute.
4961         * doc/extend.texi: Document flatten function attribute.
4962         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
4963         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
4964         New functions.
4965         (cgraph_decide_inlining): Handle functions with flatten
4966         attribute.
4967
4968 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
4969
4970         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
4971         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
4972         UNSPEC_XCHG, UNSPEC_AND): New.
4973         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
4974         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
4975         * config/rs6000/sync.md (FETCHOP): New code macro.
4976         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
4977         New code attrs.
4978         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
4979         (sync_compare_and_swap<mode>): Same.
4980         (sync_lock_test_and_set<mode>): Same.
4981         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
4982         for QImode and HImode, and not PPC405.
4983         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
4984         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
4985         (sync_<fetchop>{si,di}_internal): New.
4986         (sync_nand{si,di}_internal): New.
4987         (sync_old_<fetchop>{si,di}_internal): New.
4988         (sync_old_nand{si,di}_internal): New
4989         (sync_new_<fetchop>{si,di}_internal): New.
4990         (sync_new_nand{si,di}_internal): New.
4991         (atomic_and{si,di}): New.
4992         (sync_new_nand{si,di}_internal): New.
4993         (atomic_and{si,di}): New.
4994         (sync_add<mode>_internal): Delete.
4995         (sync_addshort_internal): Use unspec instead of unspec_volatile.
4996         (sync_sub<mode>_internal): Delte.
4997         (sync_subshort_internal): New.
4998         (sync_andsi_internal): Use unspec instead of unspec_volatile.
4999         (sync_anddi_internal): Delete.
5000         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
5001         (sync_booldi_internal): Delete.
5002         (sync_boolc<mode>_internal): Delete.
5003         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
5004         (sync_boolc<mode>_internal2): Delete.
5005         (sync_boolcc<mode>_internal): Delete.
5006         (isync, lwsync): Use unspec instead of unspec_volatile.
5007         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
5008         Revert UNSPEC_VOLATILE.
5009         (rs6000_split_atomic_op): New.
5010         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
5011
5012 2005-07-14  Eric Christopher  <echristo@redhat.com>
5013
5014         * config/mips/mips.c (mips_canonicalize_comparison): Cast
5015         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
5016
5017 2005-07-14  Eric Christopher  <echristo@redhat.com>
5018
5019         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
5020
5021 2005-07-14  Steven Bosscher  <stevenb@suse.de>
5022
5023         PR tree-optimization/22230
5024         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
5025         the computation of the four cross productions for "range op range".
5026
5027 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
5028             Ulrich Weigand  <uweigand@de.ibm.com>
5029
5030         PR target/20126
5031         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
5032         in some insn.
5033
5034 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
5035
5036         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
5037
5038 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
5039
5040         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
5041
5042 2005-07-14  Richard Guenther  <rguenther@suse.de>
5043
5044         PR middle-end/22347
5045         * config/i386/i386-protos.h (ix86_function_value): Change
5046         prototype to match new target hook.
5047         * config/i386/i386.c (ix86_value_regno): Change prototype
5048         to take extra type argument.
5049         (TARGET_FUNCTION_VALUE): Define.
5050         (ix86_function_ok_for_sibcall): Pass extra argument to
5051         ix86_value_regno, check return slot rtx for exact match.
5052         (ix86_function_value): Take extra parameter.  Dispatch to
5053         ix86_value_regno with fndecl/fntype as provided.
5054         (ix86_value_regno): Handle extra type argument.
5055         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
5056
5057         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
5058         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
5059         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
5060         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
5061         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
5062
5063 2005-07-14  Richard Guenther  <rguenther@suse.de>
5064
5065         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
5066         * calls.c (expand_call): Pass fntype to hard_function_value.
5067         (emit_library_call_value_1): Likewise.
5068         * explow.c: Include target.h.
5069         (hard_function_value): Take extra argument, the fntype.
5070         Use new target hook for function_value.
5071         * expr.h (hard_function_value): Change prototype.
5072         * function.c (aggregate_value_p): Pass 0 as fntype to
5073         hard_function_value.
5074         (assign_parms): Use new target hook for function_value.
5075         Pass 0 as fntype to hard_function_value.
5076         (expand_function_end): Likewise.
5077         * reg-stack.c: Include target.h.
5078         (stack_result): Use new target hook for function_value.
5079         * target-def.h: New target hook function_value.
5080         * target.h: Likewise.
5081         * targhooks.c (default_function_value): New function.
5082         * targhooks.h (default_function_value): Declare.
5083
5084 2005-07-13  Ian Lance Taylor  <ian@airs.com>
5085
5086         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
5087
5088 2005-07-14  Jan Hubicka  <jh@suse.cz>
5089
5090         * tree-dfa.c (dump_variable): Use default_def function.
5091         * tree-ssa-alias.c (dump_points_to_info): Likewise.
5092         * tree-ssa.c (verify_use): Likewise.
5093         * tree-ssanames.c (release_ssa_name): Likewise.
5094         * tree-tailcall.c (eliminate_tail_call): Likewise.
5095         (tree_optimize_tail_calls_1): Likewise.
5096         * tree-vrp.c (get_value_range): Likewise.
5097
5098 2005-07-14  Ben Elliston  <bje@au.ibm.com>
5099
5100         * gcc.c (main): Compare language[0] with '*' when iterating over
5101         the infiles.
5102
5103 2005-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
5104
5105         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
5106         "s390_emit_compare".  Add handling of CCZ1mode.
5107         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
5108         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
5109         checking.
5110         (s390_branch_condition_mask): Add CCZ1mode handling.
5111         * config/s390/s390.md: ("seq", "*seq"): New pattern.
5112         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
5113         Use CCZ1mode instead of CCZmode.
5114         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
5115
5116 2006-07-13  Adrian Strae½tling  <straetling@de.ibm.com>
5117
5118         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
5119         pattern.
5120         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
5121
5122 2005-07-13  Eric Christopher  <echristo@redhat.com>
5123
5124         * config/mips/mips.c (mips_canonicalize_comparison): New.
5125         (mips_emit_int_relational): Use.
5126
5127 2005-07-13  Eric Christopher  <echristo@redhat.com>
5128
5129         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5130         static extra parts.
5131         * config/s390/s390.md: Include tpf.md. Move tpf specific
5132         patterns...
5133         * config/s390/tpf.md: To here.
5134         * config/s390/s390.opt: Move tpf specific options...
5135         * config/s390/tpf.opt: to here. Add mmain option.
5136         * config/s390/tpf-unwind.h: Remove unnecessary defines.
5137         * config/s390/tpf.h: Rewrite.
5138
5139 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
5140
5141         * doc/tm.texi: Remove @xref{Cross-profiling}.
5142
5143 2005-07-13  Jeff Law  <law@redhat.com>
5144
5145         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
5146         expressions, test their _DECL operands for pointer equality rather
5147         than using operand_equal_p.
5148
5149 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
5150
5151         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
5152         (TARGET_POSIX_IO): This.
5153         * config/darwin.h: Likewise.
5154         * config/freebsd.h: Likewise.
5155         * config/linux.h: Likewise.
5156         * config/lynx.h: Likewise.
5157         * config/netbsd.h: Likewise.
5158         * config/rs6000/linux64.h: Likewise.
5159         * config/rs6000/linux.h: Likewise.
5160         * config/s390/tpf.h: Likewise.
5161         * config/sh/embed-elf.h: Likewise.
5162         * config/sparc/linux64.h: Likewise.
5163         * config/sparc/linux.h: Likewise.
5164         * config/svr4.h: Likewise.
5165         * gcov-io.h: Likewise.
5166
5167         * doc/tm.texi: Updated.
5168
5169         * libgcov.c (create_file_directory): Defined only if
5170         TARGET_POSIX_IO is defined.
5171         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
5172         is defined.
5173
5174 2005-07-13  Jan Hubicka  <jh@suse.cz>
5175
5176         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
5177
5178 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
5179
5180         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
5181         structure as argument.
5182
5183 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
5184
5185         PR tree-optimization/21921
5186         * tree-iterator.c (tsi_link_before): Support the case when
5187         tsi_end_p (tsi) == true.
5188
5189 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5190
5191         PR tree-optimization/22442
5192         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
5193         correctly.
5194
5195 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5196
5197         PR rtl-optimization/20376
5198         * toplev.c (process_options): Enable -fweb and -frename-registers when
5199         unrolling.
5200         * doc/invoke.texi: Update the information about when -fweb and
5201         -frename-registers are enabled.
5202
5203 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5204
5205         PR tree-opt/21840
5206         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
5207         if *rhs_p is not a SSA_NAME.
5208
5209 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
5210
5211         Fix PR tree-optimization/22422
5212         * tree-ssa-structalias.c (struct variable_info): Add flag for
5213         special vars.
5214         (get_varinfo): Now a static function.
5215         (new_varinfo): init has_union and is_special_var to false.
5216         (solution_set_add): Check has_union.
5217         (do_da_constraint): Move temporary variable so it gets reset
5218         properly.
5219         Also check for special variable.
5220         (do_ds_constraint): Ditto.
5221         (do_sd_constraint): Ditto.
5222         (do_structure_copy): Check for special variable.
5223         (find_func_aliases): Ditto.
5224         (init_base_vars): Set special vars properly.
5225
5226 2005-07-13  Jan Hubicka  <jh@suse.cz>
5227
5228         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
5229         do unit-at-a-time.
5230
5231         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
5232         (get_expr_operands): Fix thinko wrt flags and subvars.
5233
5234         PR tree-optimize/22379
5235         * tree-inline.c (expand_call_inline): Do not output sorry in early
5236         inlining.
5237
5238 2005-07-12  Dale Johannesen  <dalej@apple.com>
5239
5240         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
5241
5242 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5243
5244         PR bootstrap/21704
5245         * host-linux.h: Include limits.h.
5246
5247 2005-07-12  Dale Johannesen  <dalej@apple.com>
5248
5249         * expr.c (compress_float_constant):  Add cost check.
5250         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
5251
5252 2005-07-12  Dale Johannesen  <dalej@apple.com>
5253
5254         * gcc.target/i386/compress-float-sse.c:  New.
5255         * gcc.target/i386/compress-float-sse-pic.c:  New.
5256         * gcc.target/i386/compress-float-387.c:  New.
5257         * gcc.target/i386/compress-float-387-pic.c:  New.
5258         * gcc.dg/compress-float-ppc.c:  New.
5259         * gcc.dg/compress-float-ppc-pic.c:  New.
5260
5261 2005-07-12  Eric Christopher  <echristo@redhat.com>
5262
5263         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
5264         static extra parts.
5265         * config/s390/s390.md: Include tpf.md. Move tpf specific
5266         patterns...
5267         * config/s390/tpf.md: To here.
5268         * config/s390/s390.opt: Move tpf specific options...
5269         * config/s390/tpf.opt: to here. Add mmain option.
5270         * config/s390/tpf-unwind.h: Remove unnecessary defines.
5271         * config/s390/tpf.h: Rewrite.
5272
5273 2005-07-12  Eric Christopher  <echristo@redhat.com>
5274
5275         * gcc.c (struct infile): Update comment for language.
5276         (main): Rewrite input file resetting code.
5277
5278 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
5279
5280         PR tree-opt/22335
5281         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
5282         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
5283         (lookup_avail_expr): Use constant_boolean_node instead
5284         of boolean_false_node/boolean_true_node.
5285
5286 2005-07-12  Ben Elliston  <bje@au.ibm.com>
5287
5288         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
5289         and use it when printing num_edges.
5290
5291 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
5292
5293         * doc/extend.texi (Blackfin Built-in Functions): New section.
5294         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
5295         @opindex.
5296
5297 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
5298
5299         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
5300         s/cmpstrsi/cmpstrnsi
5301         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
5302         'cmpstrnsi'.
5303         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
5304         (init_optabs): Initialize cmpstrn_optab.
5305         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
5306         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
5307         * expr.c: (enum insn_code cmpstrn_optab): Declare.
5308         * config/i386/i386.md: s/cmpstr/cmpstrn
5309         * config/c4x/c4x.md: s/cmpstr/cmpstrn
5310         * doc/md.texi: Update documentation.
5311
5312 2005-07-11  Richard Henderson  <rth@redhat.com>
5313
5314         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
5315         build_va_arg_indirect_ref.
5316         (alpha_gimplify_va_arg): Likewise.
5317         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
5318         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
5319         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
5320         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
5321         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
5322         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
5323         Likewise.
5324         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
5325
5326 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
5327
5328         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
5329         * passes.c (init_optimization_passes): Add pass_empty_loop.
5330         * tree-pass.h (pass_empty_loop): Declare.
5331         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
5332         try_remove_empty_loop, remove_empty_loops): New functions.
5333         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
5334         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
5335
5336 2005-07-12  Peter Barada  <peter@the-baradas.com>
5337
5338         PR middle-end/16719
5339         PR middle-end/18421
5340         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
5341         in address registers.
5342         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
5343         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
5344         alternative of addsi3_5200.
5345
5346 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5347
5348         * config/mips/mips.md (ffs<mode>2): Remove.
5349
5350 2005-07-11  Ian Lance Taylor  <ian@airs.com>
5351
5352         * doc/tree-ssa.texi (Cleanups): Improve description of
5353         TRY_FINALLY_EXPR.
5354         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
5355
5356 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5357
5358         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
5359         * tree.h (DECL_ARGUMENT_FLD): New macro.
5360
5361 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
5362
5363         Fix PR tree-optimization/22404
5364
5365         * tree-ssa-structalias.c (create_variable_info_for): Use
5366         correct offset.
5367
5368 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5369
5370         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
5371         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
5372         for second comparison operand.
5373         * config/bfin/predicates.md (reg_or_const_int_operand): New.
5374
5375         * config/bfin/bfin.md (define_attr "type"): Add "sync".
5376         (define_insn_reservation "alu"): Likewise.
5377         (csync, ssync): Now of type sync.
5378         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
5379         -mcsync-anomaly -mspecld-anomaly.
5380         * config/bfin/bfin.opt (mcsync): Remove.
5381         (mcsync-anomaly, mspecld-anomaly): Add.
5382         * config/bfin/bfin.c: Include "insn-codes.h".
5383         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
5384         (TARGET_DEFAULT_TARGET_FLAGS): New.
5385         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
5386
5387 2005-07-11  Steven Bosscher  <stevenb@suse.de>
5388
5389         * basic-block.h: Give the BB flags enum a name, bb_flags.
5390         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
5391         * cfgcleanup.c (enum bb_flags): Remove here.
5392         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
5393         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
5394         (update_forwarder_flag): Likewise.
5395         (thread_jump): Likewise.
5396         (try_forward_edges): Likewise.
5397         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
5398         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
5399         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
5400
5401 2005-07-11  Richard Guenther  <rguenther@suse.de>
5402
5403         * config/i386/i386.opt: New target option -msseregparm.
5404         * config/i386/i386.c (override_options): Error out for
5405         -msseregparm but no SSE support.
5406         (ix86_function_sseregparm): Check for global sseregparm.
5407         * doc/invoke.texi: Document -msseregparm.
5408
5409 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5410
5411         * config.gcc (m32r-*-linux*): Use the default extra_parts.
5412         (m32rle-*-linux*): Ditto.
5413
5414 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
5415
5416         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
5417         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
5418         bytes.
5419
5420 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5421
5422         PR middle-end/22239
5423         PR target/20126
5424         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
5425         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
5426
5427 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
5428
5429         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
5430         (varmap): Heapify varmap.
5431         (constraints): Heapify constraints.
5432         (struct constraint_graph): Heapify succs and preds.
5433         (constraint_vec_find): Update for heapification.
5434         (constraint_set_union): Ditto.
5435         (insert_into_complex): Ditto.
5436         (constraint_edge_vec_find): Ditto.
5437         (erase_graph_self_edge): Ditto.
5438         (add_graph_edge): Ditto.
5439         (get_graph_weights): Ditto.
5440         (merge_graph_nodes): Ditto.
5441         (build_constraint_graph): Ditto.
5442         (topo_visit): Ditto.
5443         (solve_graph): Ditto.
5444         (create_variable_info_for): Ditto.
5445         (init_base_vars): Ditto.
5446         (delete_points_to_sets): Free graph, varmap, and complex constraints.
5447         (condese_varmap_nodes): Free complex vector.
5448         (clear_edges_for_node): Clear succs and preds vector.
5449
5450 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5451
5452         * tree-ssa-structalias.c (update_alias_info): Change counting of
5453         references to not include vdefs.
5454
5455 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
5456
5457         * tree-ssa-alias.c (free_used_part_map): Add missing free.
5458         (up_insert): Ditto.
5459
5460 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5461
5462         * pa.c (pa_commutative_p): Make PLUS commutative when
5463         TARGET_NO_SPACE_REGS is true.
5464
5465 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5466
5467         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
5468         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
5469         * tree-dfa.c (dump_subvars_for): New.
5470         (debug_subvars_for): New.
5471         (dump_variable): Show subvariables if VAR has them.
5472         * tree-flow-inline.h (get_subvar_at): New.
5473         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
5474         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
5475         Update all users.
5476         (struct subvar): Change fields offset and size to unsigned
5477         HOST_WIDE_INT.
5478         (dump_subvars_for): Declare.
5479         (debug_subvars_for): Declare.
5480         (get_subvar_at): Declare.
5481         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
5482         to unsigned HOST_WIDE_INT *.
5483         (overlap_subvar): Likewise.
5484         * tree-gimple.c (is_gimple_reg): Always return false for
5485         SFTs and memory tags.
5486         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
5487         Update all callers.
5488         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
5489         (compute_may_aliases): Call compute_points_to_sets.
5490         (collect_points_to_info_for): Remove.
5491         (compute_points_to_and_addr_escape): Remove.
5492         (delete_alias_info): Call delete_points_to_sets.
5493         (compute_flow_sensitive_aliasing): If the call to
5494         find_what_p_points_to returns false, call set_pt_anything.
5495         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
5496         (set_pt_anything): Clear pi->pt_vars.
5497         (set_pt_malloc): Remove.
5498         (merge_pointed_to_info): Remove.
5499         (add_pointed_to_expr): Remove.
5500         (add_pointed_to_var): Remove.
5501         (collect_points_to_info_r): Remove.
5502         (is_escape_site): Make extern.
5503         (create_sft): New.
5504         (create_overlap_variables_for): Call it.
5505         * tree-ssa-copy.c (merge_alias_info): Never merge
5506         flow-sensitive alias information.
5507         * tree-ssa-operands.c (get_expr_operands): Adjust variables
5508         offset and size to be unsigned HOST_WIDE_INT.
5509         (add_to_addressable_set): Rename from note_addressable.
5510         Set TREE_ADDRESSABLE as the variables are added to the set.
5511         Update all users.
5512         (add_stmt_operand): Do not try to micro-optimize unmodifiable
5513         operands into VUSEs when adding V_MAY_DEFs for members in an
5514         alias set.
5515         * tree-ssa-operands.h (add_to_addressable_set): Declare.
5516         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
5517         (struct variable_info): Add bitfield is_heap_var.
5518         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
5519         (new_var_info): Initialize is_heap_var.
5520         (get_constraint_for): Add HEAP variables to the symbol table.
5521         Mark them with is_heap_var.
5522         (update_alias_info): New.  Taken mostly from the old
5523         compute_points_to_and_addr_escape.
5524         (handle_ptr_arith): New.
5525         (find_func_aliases): Call update_alias_info.
5526         Call handle_ptr_info for tcc_binary expressions.
5527         Call mark_stmt_modified.
5528         (create_variable_info_for): If DECL has subvars, do not create
5529         variables for its subvars.  Always add all the fields.
5530         (set_uids_in_ptset): If the solution includes ANYOFFSET and
5531         SFTs, then add all the SFTs of the structure.
5532         If VI->DECL is an aggregate with subvariables, add the SFT at
5533         VI->OFFSET.
5534         (find_what_p_points_to): If VI is an artificial variable,
5535         translate to bitfields in SSA_NAME_PTR_INFO.
5536         If the solution is empty, set pi->pt_vars to NULL
5537         (init_base_vars): Create ANYOFFSET.
5538         (compute_points_to_sets): Rename from create_alias_vars.
5539         Make extern.
5540         (pass_build_pta): Remove.
5541         (delete_points_to_sets): Rename from delete_alias_vars.
5542         (pass_del_pta): Remove.
5543         * tree-ssa-structalias.h (struct alias_info): Move from
5544         tree-ssa-alias.h.
5545         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
5546         NUM_REFERENCES_SET): Likewise.
5547         (compute_points_to_sets, delete_points_to_sets): Declare.
5548
5549 2005-07-09  Richard Henderson  <rth@redhat.com>
5550
5551         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
5552         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
5553         alpha_split_lock_test_and_set_12): New functions.
5554         * config/alpha/alpha-protos.h: Update.
5555         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
5556         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
5557         * config/alpha/sync.md (I12MODE): New.
5558         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
5559         (sync_<fetchop_name><I48MODE>): Likewise.
5560         (sync_nand<I48MODE>): Likewise.
5561         (sync_old_<fetchop_name><I48MODE>): Likewise.
5562         (sync_new_<fetchop_name><I48MODE>): Likewise.
5563         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
5564         (sync_compare_and_swap<I48MODE>): Likewise.
5565         (sync_lock_test_and_set<I48MODE>): Likewise.
5566         (sync_compare_and_swap<I12MODE>): New.
5567         (sync_compare_and_swap<I12MODE>_1): New.
5568         (sync_lock_test_and_set<I12MODE>): New.
5569         (sync_lock_test_and_set<I12MODE>_1): New.
5570
5571 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
5572
5573         PR 21356
5574         PR 22332
5575         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
5576
5577 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
5578
5579         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
5580         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
5581
5582 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
5583
5584         PR target/21656
5585         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
5586
5587 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
5588
5589         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
5590         memory_operand constraint.
5591         (store_conditional_<mode>): Same.
5592         (sync_compare_and_swap<mode>): Same.
5593         (sync_lock_test_and_set<mode>): Same.
5594
5595 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
5596
5597         Rewrite PIC support to more closely model actual instructions.
5598         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
5599         (cris_symbol): Remove prototypes for removed functions.
5600         (cris_pic_symbol_type_of, cris_valid_pic_const)
5601         (cris_expand_pic_call_address): Prototypes for new functions.
5602         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
5603         variable.
5604         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
5605         modifiers.
5606         <case ':'>: Add case for new punctuation character.
5607         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
5608         emitting (extra) PIC modifier.
5609         <case UNSPEC>: Do not assert for PLT.
5610         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
5611         (cris_expand_prologue, cris_expand_epilogue): Check
5612         for pic_offset_table_rtx usage instead of taking
5613         current_function_uses_pic_offset_table as the final word.
5614         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
5615         Remove flag_pic difference.
5616         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
5617         the moral equivalents of...
5618         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
5619         functions.
5620         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
5621         (cris_handle_option): Mark ARG as unused.
5622         (cris_expand_pic_call_address): New worker function for "call",
5623         "call_value".
5624         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
5625         output PIC constructs here.
5626         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
5627         as symbol-specific modifers, not whole or part of operands.
5628         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
5629         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
5630         constants and flag_pic.
5631         (CONSTANT_INDEX_P): Adjust for new functions.
5632         (enum cris_pic_symbol_type): New helper type.
5633         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
5634         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
5635         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
5636         define_constants.
5637         ("movsi"): Emit actual instructions for GOT and relative access.
5638         ("*movsi_got_load"): New pattern to set up the register holding
5639         the GOT pointer.
5640         ("*movsi_internal"): Operand 1 is not a plain general_operand.
5641         Adjust FIXME for 'S'.
5642         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
5643         Use "movs" for -fpic cases.
5644         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
5645         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
5646         ("call", "call_value"): Just call cris_expand_pic_call_address for
5647         PIC addresses.
5648         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
5649         Remove special pattern.
5650         ("*expanded_call_side", "*expanded_call_value_side"): New
5651         patterns.
5652         (gotplt-to-plt, gotplt-to-plt-side-call)
5653         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
5654         peephole2:s.
5655         * config/cris/cris/predicates.md
5656         ("cris_general_operand_or_gotless_symbol"): Remove unused
5657         predicate.
5658         ("cris_general_operand_or_symbol"): Adjust for new functions.
5659
5660 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5661
5662         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
5663
5664 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
5665
5666         * Makefile.in (TREE_H): Add treestruct.def.
5667         (c-decl.o): Add pointer-set.h
5668         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
5669         visibility on regular DECL's.
5670         (merge_decls): Fix the copying of decl nodes of various types for
5671         the new structures.  Don't update RTL, section name, weak status,
5672         etc, on DECL's without RTL.
5673         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
5674         Don't check volatile on non-variable types.
5675         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
5676         to check whether we have seen arguments.
5677         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
5678         flag is checked before field (flag is common, field is not).
5679         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
5680         TS_DECL_COMMON could have an origin.
5681         (add_location_or_const_value_attribute): Don't check section name
5682         on non-var/function decls.
5683         (dwarf2out_var_location): Reverse order of tests.
5684         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
5685         with DECL_WRTL_CHECK.
5686         * expmed.c (make_tree): rtl is now in decl_with_rtl.
5687         * fold-const.c (fold_binary): Don't check weakness on
5688         non-var/function decls.
5689         (tree_expr_nonzero_p): Ditto.
5690         (fold_checksum_tree): Use tree_decl_extra as sizeof
5691         buffer.
5692         * ggc-page.c (extra_order_size_table): Add sizes for
5693         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
5694         tree_field_decl.
5695         * gimplify.c (gimplify_bind_expr): Only set
5696         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
5697         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
5698         without RTL.
5699         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
5700         * langhooks.h (init_ts). New langhook.
5701         * passes.c (rest_of_decl_compilation): Reverse order of tests.
5702         * print-tree.c (print_node): Update to only print fields that
5703         exist in the structures the passed decl has.
5704         * toplev.c (wrapup_global_declarations): Don't reset
5705         DECL_DEFER_OUTPUT on DECL's that don't contain it.
5706         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
5707         * tree-inline.c (remap_decl): Ditto.
5708         * tree-outof-ssa.c (create_temp): Reverse order of tests.
5709         * tree-pretty-print.c (print_declaration): Don't print
5710         DECL_REGISTER on things that don't contain it.
5711         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
5712         non-var/function decls.
5713         * tree.c (tree_contains_struct): New structure.
5714         (init_priority_for_decl): New hashtable.
5715         (tree_int_map): New structure.
5716         (tree_int_map_eq): New function.
5717         (tree_int_map_marked_p): Ditto.
5718         (tree_int_map_hash): Ditto.
5719         (tree_map): Move to tree.h.
5720         (tree_map_eq): Externalize.
5721         (tree_map_hash): Ditto.
5722         (tree_map_marked_p): Ditto.
5723         (init_ttree): Set up tree_contains_struct and call langhook.
5724         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
5725         (tree_code_size): Update for new structures.
5726         (tree_node_structure): Update for new structures.
5727         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
5728         without the field.
5729         (copy_node_stat):  Copy init priority.
5730         (build_decl_stat): Ditto for visibility.
5731         (ts_enum_names): New.
5732         (tree_contains_struct_check_failed): New function.
5733         (decl_init_priority_lookup): Ditto.
5734         (decl_init_priority_insert): Ditto.
5735         * treestruct.def: New file.
5736         * tree.h (CODE_CONTAINS_STRUCT): New macro.
5737         (CONTAINS_STRUCT_CHECK): Ditto.
5738         (tree_contains_struct_check_failed): New prototype.
5739         (DECL_CHECK): Removed.
5740         (DECL_MINIMAL_CHECK): New.
5741         (DECL_COMMON_CHECK): Ditto.
5742         (DECL_WRTL_CHECK): Ditto.
5743         (DECL_NON_COMMON_CHECK): Ditto.
5744         (DECL_WITH_VIS_CHECK): Ditto.
5745         (VAR_OR_FUNCTION_DECL_P): Ditto
5746         (struct tree_decl_minimal): New structure.
5747         (struct tree_decl_common): Ditto.
5748         (struct tree_decl_with_rtl): Ditto.
5749         (struct tree_decl_with_vis): Ditto.
5750         (struct tree_decl_non_common): Ditto.
5751         (struct tree_field_decl): Ditto.
5752         (struct tree_parm_decl): Ditto.
5753         (struct tree_var_decl): Ditto.
5754         (struct tree_function_decl): Ditto.
5755         (struct tree_const_decl): Ditto.
5756         (struct tree_result_decl): Ditto.
5757         (union tree_node): Add new structures.
5758         * var-tracking.c (track_expr_p): Reverse order of tests.
5759
5760         * doc/c-tree.texi: Add documentation on DECL node internal structure.
5761
5762 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5763
5764         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
5765         * system.h: Poison FINALIZE_PIC.
5766         * doc/tm.texi (FINALIZE_PIC): Remove.
5767
5768 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5769
5770         PR tree-opt/22329
5771         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
5772         to the correct type if we have a MODIFY_EXPR.
5773
5774 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
5775
5776         PR tree-optimization/22360
5777         * tree.c (upper_bound_in_type): Fix calculations for casting
5778         to a non-wider signed type and casting a signed value to a
5779         wider unsigned type.
5780         (lower_bound_in_type): Fix calculations for casting to a
5781         non-wider signed type.
5782
5783         PR tree-optimization/20139
5784         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
5785         release_defs.
5786         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
5787         fold_cond_expr_cond.
5788         * tree-ssanames.c (release_defs): Assert in_ssa_p.
5789         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
5790
5791 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
5792
5793         PR tree-opt/22356
5794         * tree-complex.c (expand_complex_libcall): Produce
5795         REALPART_EXPR/IMAGPART_EXPR with the correct type.
5796
5797 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
5798
5799         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
5800         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
5801         b" assert and inserted fastpath code for this case.
5802         (bitmap_ior): Removed "a != b" assert.
5803
5804 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
5805
5806         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
5807         (ENDFILE_SPEC): Likewise.
5808         * config/m32r/m32r.h (ASM_SPEC): Likewise.
5809
5810         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
5811         a large stack frame at epilogue.
5812
5813 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
5814
5815         * final.c: Include sdbout.h when required.
5816
5817 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
5818
5819         * config.gcc (*-*-darwin*): Only one target-specific header file
5820         for generic darwin.
5821         (powerpc-*-darwin*): Add version-specific header files.
5822         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
5823         * config.in: Regenerate.
5824         * configure: Regenerate.
5825         * gcc.c: Include xregex.h.
5826         (version_compare_spec_function): New.
5827         (spec_function): Add version-compare.
5828         (replace_outfile_spec_function): Reformat comment.
5829         (compare_version_strings): New.
5830         * config/darwin-c.c (version_as_macro): New.
5831         (builtin_define): New.
5832         (darwin_cpp_builtins): New.
5833         * config/darwin-protos.h (darwin_cpp_builtins): New.
5834         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
5835         (LIB_SPEC): Make unconditional, update comment.
5836         (TARGET_C99_FUNCTIONS): Define.
5837         * config/darwin.opt: Sort.
5838         (mmacosx-version-min=): New.
5839         * config/darwin7.h: Delete.
5840         * config/darwin8.h: Delete.
5841         * config/i386/darwin.h (): Call darwin_cpp_builtins.
5842         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
5843         (TARGET_C99_FUNCTIONS): Define.
5844         * config/rs6000/darwin7.h: New.
5845         * config/rs6000/darwin8.h: New.
5846         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
5847         (-mmacosx-version-min): Document.
5848
5849 2005-07-07  Ian Lance Taylor  <ian@airs.com>
5850
5851         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
5852
5853 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
5854
5855         PR middle-end/22239
5856         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
5857
5858 2005-07-07  Khem Raj  <kraj@mvista.com>
5859
5860         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
5861         in bytes, not words.
5862
5863 2005-07-07  Paul Brook  <paul@codesourcery.com>
5864
5865         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
5866         DEFAULT_FUNCTION_ARG_PADDING to upward.
5867
5868 2005-07-07  Richard Henderson  <rth@redhat.com>
5869
5870         * function.c (locate_and_pad_parm): Record parameter alignment in
5871         stack_alignment_needed.
5872
5873 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
5874
5875         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
5876         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
5877         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
5878         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
5879         (define_attr "type"): Add isync, sync, load_l, store_c.
5880         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
5881         Create scratch volatile MEM.
5882         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
5883         sync.
5884         (load_locked_<mode>): New.
5885         (store_conditional_<mode>): New.
5886         (sync_compare_and_swap<mode>): Replace with splitter.
5887         (sync_lock_test_and_set<mode>): Replace with splitter.
5888         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
5889         and UNSPECV_ISYNC.
5890         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
5891         is ics.  Attribute isync.
5892         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
5893         lwsync.
5894         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
5895         and UNSPECV_SYNC_OP.
5896         (emit_unlikely_jump): New.
5897         (emit_load_locked): New.
5898         (emit_store_conditional): New.
5899         (rs6000_split_compare_and_swap): New.
5900         (rs6000_split_lock_test_and_set): New.
5901         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
5902         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
5903         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
5904         rs6000_split_lock_test_and_set): Declare.
5905         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
5906         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
5907         store_c, isync, sync.
5908
5909 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
5910
5911         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
5912         filenames to gtyp-gen.h.
5913         (s-typ-gen): Use it in place of for loops.
5914
5915 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
5916
5917         * hooks.c (hook_bool_rtx_int_false): New function.
5918         * hooks.h (hook_bool_rtx_int_false): Declare.
5919         * target-def.h (TARGET_COMMUTATIVE_P): Define.
5920         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
5921         * target.h (struct gcc_target): Add commutative_p member.
5922         * targhooks.c (hook_bool_rtx_commutative_p): New function.
5923         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
5924         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
5925         (pa_commutative_p): New function.
5926         * jump.c (target.h): Include.
5927         (rtx_renumbered_equal_p): Use targetm.commutative_p.
5928         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
5929
5930 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5931
5932         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
5933         (s390_expand_setmem): New.
5934         * config/s390/s390.c: Likewise.
5935         (print_shift_count_operand): Truncate to 12 bits instead of 6.
5936         Adapt comments.
5937         * config/s390/s390.md: ("setmem<mode>"): Accept character as
5938         general_operand.  Call new function "s390_expand_setmem".
5939         ("clrmem_long", "*clrmem_long"): Rewrite to ...
5940         ("setmem_long", "*setmem_long"): ... this.
5941
5942 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5943
5944         * config/s390/s390.c: (optimization_options): Enable
5945         TARGET_MVCLE at -Os.
5946         * doc/invoke.texi: Document changes in default behaviour.
5947         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
5948
5949 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
5950
5951         * expr.c: (set_storage_via_setmem): Convert opchar to mode
5952         defined by back-end.
5953
5954 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
5955
5956         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
5957         all sets in the pattern.
5958         * config/rs6000/rs6000.md (stack_protect_testsi,
5959         stack_protect_testdi): Likewise.
5960
5961 2005-07-06  Jeff Law  <law@redhat.com>
5962
5963         * tree-vrp.c (simplify_using_ranges): Kill.
5964         (vrp_finalize): Remove call to simplify_using_ranges.
5965         (simplify_stmt_using_ranges): New function extracted from
5966         simplify_using_ranges.
5967         (simplify_div_or_mod_using_ranges): Likewise.
5968         (simplify_abs_using_ranges): Likewise.
5969         (simplify_cond_using_ranges): New function.
5970         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
5971         * tree-ssa-propagate.c (substitute_and_fold): Call
5972         simplify_stmt_using_ranges if we have range information.
5973
5974 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
5975
5976         * config/ia64/ia64.c (ia64_reorg): Check optimize before
5977         ia64_flag_schedule_isns2.
5978
5979         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
5980         reading/writing general registers.
5981         (ia64_function_arg): Revert 2005-06-18 change.
5982
5983 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
5984
5985         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
5986         (legitimize_tls_address): Use gcc_unreachable instead of abort.
5987
5988 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
5989
5990         * function.c (expand_function_end): Revert part of 2005-06-27
5991         patch.  Do sjlj_emit_function_exit_after after return_label.
5992
5993 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
5994
5995         * doc/install.texi (--disable-libssp): New.
5996
5997 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
5998
5999         * doc/invoke.texi: Update -fforce-mem documentation.
6000         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
6001         code for -fforce-mem.
6002         * expmed.c: (store_bit_field,store_fixed_bit_field,
6003         extract_bit_field): Ditto.
6004         * expr.c: (convert_move): Ditto.
6005         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
6006         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
6007         emit_conditional_add,expand_float,expand_fix): Ditto.
6008         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
6009         (common_handle_option): Issue warning when -fforce-mem specified.
6010
6011 2005-07-06  Paul Brook  <paul@codesourcery.com>
6012
6013         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
6014         argument is empty.
6015         * configure: Regenerate.
6016
6017 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
6018
6019         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
6020
6021 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
6022
6023         Fix PR tree-optimization/22319
6024         Fix PR tree-optimization/22140
6025         Fix PR tree-optimization/22310
6026
6027         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
6028         variable sized types.
6029         Use correct type for intermediate structure on *a = *b structure
6030         copies.
6031
6032 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
6033
6034         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
6035         Remove.
6036         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
6037         (machine_function): Move typedef to...
6038         * config/rs6000/rs6000.c (machine_function): ... here.  Add
6039         varargs_save_offset field.
6040         (rs6000_stack_t): Remove varargs_size field.
6041         (setup_incoming_varargs): Allocate varargs save area using
6042         assign_stack_local, try to make it as small as possible.
6043         Save offset from virtual_stack_vars_rtx to the save area
6044         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
6045         instead of magic 8 when fp word byte size is used.
6046         (rs6000_va_start): Use cfun->machine->varargs_save_offset
6047         instead of -RS6000_VARARGS_SIZE.
6048         (rs6000_stack_info, debug_stack_info,
6049         rs6000_initial_elimination_offset): Remove all traces of
6050         varargs_size.
6051         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
6052         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
6053         RS6000_VARARGS_AREA.
6054
6055 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
6056
6057         PR tree-optimization/21963
6058         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
6059         constant_multiple_of in the same way get_computation_cost_at does.
6060
6061 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
6062
6063         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
6064         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
6065         (gen_compare_reg): If sparc_compare_emitted is set, clear it
6066         and return its previous value.
6067         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
6068         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
6069         constants.
6070         (stack_protect_set, stack_protect_test): New expanders.
6071         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
6072         stack_protect_testdi): New insns.
6073         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6074         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
6075
6076 2005-07-06  Jeff Law  <law@redhat.com>
6077
6078         * tree-ssa-dce.c (cfg_altered): New global.
6079         (tree_dce_init): Initialize cfg_altered.
6080         (remove_dead_stmt): If we remove an edge in the CFG, then set
6081         CFG_ALTERED.
6082         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
6083         the dominators.
6084
6085 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
6086
6087         * Makefile.in (stamp-collect-ld): Use
6088         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
6089         ./collect-ld if it already exists.
6090         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
6091         Don't remove ./nm if it already exists.
6092
6093 2005-07-05  Devang Patel  <dpatel@apple.com>
6094
6095         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
6096         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
6097         * tree-vectorizer.c (vect_loop_location): New.
6098         (vect_print_dump_info): Use vect_loop_location.
6099         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
6100         (vectorize_loops): Set vect_loop_location.
6101         * tree-vect-analyze.c (vect_analyze_offset_expr,
6102         vect_determin_vectorization_factor, vect_analyze_operations,
6103         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
6104         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
6105         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
6106         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
6107         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
6108         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
6109         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
6110         vect_analyze_loop): Adjust vect_print_dump_info API.
6111         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
6112         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
6113         vect_finish_stmt_generation, vectorizable_assignment,
6114         vectorizable_operation, vectorizable_store, vectorizable_load,
6115         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
6116         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
6117         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
6118         vect_transform_loop): Same.
6119         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
6120         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
6121         Same.
6122
6123 2005-07-05  Randolph Chung  <tausq@debian.org>
6124
6125         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
6126         * configure: Regenerate.
6127         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
6128         (pa_tls_referenced_p): Declare.
6129         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
6130         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
6131         (legitimize_tls_address): New.
6132         (hppa_legitimize_address): Handle TLS addresses.
6133         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
6134         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
6135         (emit_move_sequence): Handle TLS addresses.
6136         (pa_encode_section_info): Call default handler to handle common
6137         sections.
6138         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
6139         (CONSTANT_ADDRESS_P): Reject TLS operands.
6140         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
6141         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
6142         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
6143         (UNSPEC_TLSLE): Define new constants.
6144         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
6145         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
6146         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
6147         (tie_symbolic_operand, tle_symbolic_operand): New
6148
6149 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
6150
6151         * aclocal.m4: Update macros for autoconf 2.59 style.
6152         * configure.ac: Likewise.
6153
6154 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6155
6156         * pa.c (function_value): Handle small aggregates on 32-bit targets.
6157         (function_arg): Pass small aggregates in general registers on 32-bit
6158         targets.
6159         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
6160
6161 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
6162
6163         * Makefile.in (final.o): Fix dependencies.
6164
6165 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
6166
6167         PR c/22013
6168         PR c/22098
6169         * langhooks.h (struct lang_hooks): Add expr_to_decl.
6170         * langhooks.c (lhd_expr_to_decl): New.
6171         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
6172         New.
6173         (LANG_HOOKS_INITIALIZER): Update.
6174         * tree.c (recompute_tree_invarant_for_addr_expr): Call
6175         expr_to_decl langhook.
6176         * c-tree.h (c_expr_to_decl): Declare.
6177         * c-typeck.c (c_expr_to_decl): New.
6178         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
6179         specially.
6180         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
6181
6182 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
6183
6184         PR c/22308
6185         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
6186         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
6187
6188 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
6189
6190         * Makefile.in: Adjust dependencies.
6191         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
6192         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
6193         * alias.c (rest_of_handle_cfg, pass_cfg): New.
6194         * bb-reorder.c (duplicate_computed_gotos): Make it static.
6195         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
6196         rest_of_compilation.
6197
6198         * bb-reorder.c (gate_duplicate_computed_gotos,
6199         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
6200         rest_of_handle_reorder_blocks, pass_reorder_blocks,
6201         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
6202         pass_partition_blocks): New.
6203         * bt-load.c (gate_handle_branch_target_load_optimize,
6204         rest_of_handle_branch_target_load_optimize,
6205         pass_branch_target_load_optimize): New.
6206         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
6207         pass_jump2): New.
6208         * cfglayout.c (pass_insn_locators_initialize): New.
6209         * cfgrtl.c (pass_free_cfg): New.
6210         * combine.c (gate_handle_combine, rest_of_handle_combine,
6211         pass_combine): New.
6212         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
6213         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
6214         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
6215         * except.c (pass_set_nothrow_function_flags,
6216         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
6217         pass_rtl_eh): New.
6218         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
6219         rest_of_handle_shorten_branches, pass_shorten_branches,
6220         rest_of_clean_state, pass_clean_state): New.
6221         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
6222         rest_of_handle_remove_death_notes, pass_remove_death_notes,
6223         rest_of_handle_life, pass_life, rest_of_handle_flow2,
6224         pass_flow2): New.
6225         * function.c (pass_instantiate_virtual_regs, pass_init_function,
6226         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
6227         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
6228         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
6229         pass_gcse): New.
6230         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
6231         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
6232         pass_rtl_ifcvt, gate_handle_if_after_combine,
6233         rest_of_handle_if_after_combine, pass_if_after_combine,
6234         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
6235         pass_if_after_reload): New.
6236         * integrate.c (pass_initial_value_sets): New.
6237         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
6238         pass_purge_lineno_notes): New.
6239         * mode-switching.c (rest_of_handle_mode_switching,
6240         pass_mode_switching): New.
6241         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
6242         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
6243         pass_loop2): New.
6244         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
6245         pass_loop_optimize): New.
6246         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
6247         pass_sms): New.
6248         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
6249         pass_gcse2): New.
6250         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
6251         pass_postreload_cse): New.
6252         * profile.c (gate_handle_profiling, pass_profiling,
6253         rest_of_handle_branch_prob, pass_branch_prob): New.
6254         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
6255         pass_split_before_regstack, gate_handle_split_before_regstack,
6256         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
6257         rest_of_handle_split_all_insns, pass_split_all_insns): New.
6258         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
6259         pass_stack_regs): New.
6260         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
6261         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
6262         pass_stack_adjustments): New.
6263         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
6264         pass_regrename): New.
6265         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
6266         pass_delay_slots, gate_handle_machine_reorg,
6267         rest_of_handle_machine_reorg, pass_machine_reorg): New.
6268         * rtl.h (extern void purge_line_number_notes): New.
6269         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
6270         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
6271         pass_sched2): New.
6272         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
6273         pass_tracer): New.
6274         * value-prof.c (gate_handle_value_profile_transformations,
6275         rest_of_handle_value_profile_transformations,
6276         pass_value_profile_transformations): New.
6277         * var-tracking.c (gate_handle_var_tracking,
6278         pass_variable_tracking): New.
6279         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
6280
6281         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
6282         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
6283         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
6284         rest_of_handle_old_regalloc, rest_of_handle_regrename,
6285         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
6286         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
6287         rest_of_handle_gcse2, rest_of_handle_regmove,
6288         rest_of_handle_tracer, rest_of_handle_if_conversion,
6289         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
6290         rest_of_handle_web, rest_of_handle_branch_prob,
6291         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
6292         rest_of_handle_jump_bypass, rest_of_handle_combine,
6293         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
6294         rest_of_handle_gcse, rest_of_handle_loop_optimize,
6295         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
6296         rest_of_handle_mode_switching, rest_of_handle_jump,
6297         rest_of_handle_eh, rest_of_handle_stack_adjustments,
6298         rest_of_handle_flow2, rest_of_handle_jump2,
6299         rest_of_handle_peephole2, rest_of_handle_postreload,
6300         rest_of_handle_shorten_branches, rest_of_clean_state,
6301         rest_of_compilation): Remove.
6302
6303         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
6304         * passes.c (dump_flags, in_gimple_form, all_passes,
6305         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6306         register_dump_files, next_pass_1, last_verified, execute_todo,
6307         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
6308         from tree-optimize.c.
6309         (init_optimization_passes): Moved from tree-optimize.c,
6310         adding the RTL optimizations.
6311         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
6312         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
6313         all_ipa_passes, all_lowering_passes, register_one_dump_file,
6314         register_dump_files, next_pass_1, last_verified, execute_todo,
6315         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
6316         init_tree_optimization_passes, ipa_passes): Delete.
6317         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
6318         the RTL dumps.
6319         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
6320         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
6321         from tree.h.
6322         (ipa_passes): Remove.
6323         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
6324         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
6325         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
6326         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
6327         (dump_info_p, dump_flag): Moved to tree-dump.h.
6328
6329         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
6330         cgraph.c, opts.c.
6331         * passes.c (finish_optimization_passes): Use dump_begin
6332         and dump_end, TDI_end.
6333         (gate_rest_of_compilation): New.
6334         (pass_rest_of_compilation): Use it.
6335         (gate_postreload, pass_postreload): New.
6336         * toplev.c (general_init): Rename init_tree_optimization_passes.
6337         * toplev.h (init_tree_optimization_passes): Rename to
6338         init_optimizations_passes.
6339         * tree-dump.c (dump_flag): Make static.
6340         (dump_files): Remove RTL dumps.
6341         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
6342         pass_cleanup_cfg, pass_free_cfg_annotations,
6343         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
6344         pass_init_datastructures, pass_fixup_cfg): Make non-static.
6345         * tree-pretty-print.c: Include tree-pass.h.
6346         * cgraph.c: Include tree-dump.h.
6347
6348 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6349
6350         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
6351         Only fall back to saying it points to readonly memory if
6352         we can't do better.
6353
6354 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
6355
6356         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
6357         * config/m32r/m32r.c (m32r_compute_frame_size,
6358         m32r_expand_prologue): Take current_function_profile into
6359         account whenever we reference
6360         current_function_uses_pic_offset_table.
6361         (m32r_finalize_pic): Remove.
6362         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
6363
6364 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
6365
6366         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
6367         instead of $<.  Don't remove ./as if it already exists.
6368
6369 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6370
6371         PR target/21723
6372         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
6373         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
6374         for complex modes when generating code for PA 1.0.
6375         (VALID_FP_MODE_P): New macro.
6376         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6377         sets for all general and floating point modes.  Align wide floating
6378         point modes to even register boundaries to comply with architectural
6379         requirements.
6380         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
6381         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
6382         (VALID_FP_MODE_P): New macro.
6383         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
6384         sets for all general and floating point modes.  Align wide floating
6385         point modes to even register boundaries to comply with architectural
6386         requirements.
6387
6388 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6389
6390         * tree-dump.c (dump_files): Initialize dump number for .cgraph
6391         to 0.
6392
6393 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6394
6395         * tree-ssa-structalias.c: Don't include expr.h.
6396
6397 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
6398
6399         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
6400         comments.
6401
6402 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
6403
6404         Fix PR tree-optimization/22279
6405
6406         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
6407         correct operator.
6408
6409 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
6410
6411         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
6412
6413 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6414
6415         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
6416         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
6417         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
6418         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
6419         config/stormy16/stormy16.c, config/v850/v850.c,
6420         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
6421         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
6422         Avoid "." or "\n" at end of diagnostics and capital letters at
6423         start of diagnostics.
6424         * combine.c, cse.c: Don't translate dump file output.
6425         * toplev.c (print_version): Only translate output if going to
6426         stderr.
6427
6428 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6429
6430         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
6431         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
6432         typos.
6433
6434 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
6435
6436         * pa.c (fix_range): Fix typo in comment.
6437
6438 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
6439
6440         * tree-vrp.c (extract_range_from_assert): Replace
6441         fold (build (...)) with fold_build2.
6442
6443 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
6444
6445         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
6446         gcc_gfc_char_table, init_dynamic_gfc_info): New.
6447         (format_types_orig, handle_format_attribute): Add support for
6448         format "gcc_gfc".
6449
6450 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6451
6452         * varasm.c (assemble_variable): Fix format specifier thinko.
6453
6454 2005-07-03  Ira Rosen  <irar@il.ibm.com>
6455
6456         PR tree-optimization/22029 (and 22135)
6457         * tree-pretty-print.c (dump_generic_node): Check that the node is not
6458         a phi node before calling dump_vops.
6459
6460 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6461
6462         * tree-dump.h (dump_string_field): Declare.
6463         * tree-dump.c: Use it instead of dump_string.
6464         (dump_string_field): Make non-static.
6465
6466 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6467
6468         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
6469         up the minimal CFG stuff always when optimize > 0.  Call
6470         split_all_insns_noflow in PIC case if needed.
6471
6472 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
6473             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
6474
6475         PR c++/18279
6476         * c-decl.c (c_write_global_declarations): Dump contents of
6477         external scope to.
6478         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
6479         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
6480         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
6481         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
6482         is enabled.
6483
6484 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
6485
6486         * c-common.h (GCC_DIAG_STYLE): Define.
6487         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
6488         version for format checking to 4.1.
6489         * c-format.c: Include toplev.h after c-common.h.
6490         (enum format_type): Add gcc_tdiag_format_type.
6491         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
6492         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
6493         (format_types_orig): Add gcc_tdiag.
6494         (init_dynamic_diag_info): Support gcc_tdiag formats.
6495         (handle_format_attribute): Likewise.
6496         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
6497         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
6498         version for format checking to 4.1.
6499         (warning0, warning, error, pedwarn, sorry): Use
6500         ATTRIBUTE_GCC_DIAG.
6501         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
6502         (finish_aliases_1): Do not use %qE.
6503         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
6504         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
6505         Correct format bugs.
6506         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
6507         parameter to unsigned HOST_WIDE_INT.
6508         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
6509
6510 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
6511
6512         PR middle-end/21742
6513         * expr.c (write_complex_part): Use adjust_address for MEM.
6514         (read_complex_part): Same.
6515
6516 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
6517
6518         Fix PR tree-optimization/22280
6519
6520         * tree-sra.c (generate_element_init): Remove useless loop.
6521
6522 2005-07-02  Richard Henderson  <rth@redhat.com>
6523
6524         * config/alpha/alpha.c (alpha_legitimize_address): Check for
6525         TLS_MODEL_NONE.
6526         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
6527
6528 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
6529
6530         PR middle-end/14490
6531         * fold-const.c (fold_binary): Handle the return value of
6532         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
6533         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
6534
6535 2005-07-02  Jeff Law  <law@redhat.com>
6536
6537         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
6538         a eliminate type conversion which feeds an equality comparison
6539         if the original type or either operand in the comparison is a
6540         function pointer.
6541
6542 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
6543
6544         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
6545         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
6546         texts.
6547         * config/avr/avr.c: Do not use '`' as left quote.
6548         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
6549         Remove "." from end of diagnostics.  Make diagnostics start with
6550         lowercase letter.
6551
6552 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
6553             Joseph S. Myers  <joseph@codesourcery.com>
6554
6555         * toplev.c (default_tree_printer): Handle setting location with
6556         '+' flag.
6557         * c-objc.common.c (c_tree_printer): Likewise.
6558         * c-format.c (gcc_diag_flag_specs): Add '+'.
6559         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
6560         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
6561         formats.
6562         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
6563         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
6564         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
6565         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
6566         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
6567         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
6568         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
6569         format arguments where %J is used without %D.
6570
6571 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
6572
6573         * gcc.c (LINK_SSP_SPEC): Define.
6574         (link_ssp_spec): New variable.
6575         (LINK_COMMAND_SPEC): Add %(link_ssp).
6576         (static_specs): Add link_ssp_spec.
6577         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
6578         * configure: Rebuilt.
6579         * config.in: Rebuilt.
6580
6581         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
6582         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6583         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6584         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
6585         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
6586         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
6587         -0x7008(2) instead of reading __stack_chk_guard variable.
6588         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
6589         number.
6590         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
6591         (stack_protect_set, stack_protect_test): Use *_tls* patterns
6592         if TARGET_THREAD_SSP_OFFSET is defined.
6593         (stack_tls_protect_set_si, stack_tls_protect_set_di,
6594         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
6595
6596         Revert:
6597         2005-06-27  Richard Henderson  <rth@redhat.com>
6598         * libgcc-std.ver (GCC_4.1.0): New.
6599         * libgcc.h (__stack_chk_guard): Declare.
6600         (__stack_chk_fail, __stack_chk_fail_local): Declare.
6601         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
6602         * mklibgcc.in (lib2funcs): Add them.
6603
6604 2005-07-01  Richard Henderson  <rth@redhat.com>
6605
6606         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
6607         void * before struct sigcontext *.
6608         (x86_fallback_frame_state): Likewise.
6609
6610 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
6611
6612         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
6613
6614 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
6615
6616         PR tree-opt/22269
6617         * tree-ssa-reassoc.c (should_transpose): Fix which operand
6618         we check for SSA_NAME for.
6619
6620 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
6621
6622         Fix PR tree-optimization/22071
6623
6624         * tree-ssa-structalias.c (offset_overlaps_with_access): New
6625         function.
6626         (get_constraint_for_component_ref): Use it.
6627
6628 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
6629
6630         PR other/22264
6631         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
6632         print out the last new line.
6633
6634 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
6635
6636         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
6637         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
6638         * config/cris/cris.c (cris_conditional_register_usage): Adjust
6639         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
6640         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
6641         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
6642         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
6643         (enum reg_class): New member CC0_REGS.
6644         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
6645         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
6646         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
6647         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
6648         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
6649         Adjust for register now described.
6650
6651 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
6652
6653         PR target/22262
6654         * config/i386/i386.md (stack_protect_test_si,
6655         stack_protect_test_di): Add earlyclobber for scratch 3.
6656         * config/rs6000/rs6000.md (stack_protect_testsi,
6657         stack_protect_testdi): Add earlyclobber for scratch 3,
6658         remove earlyclobber from scratch 4.
6659
6660 Older entries for 2005 can be found in ChangeLog-2005.