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