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* tree-outof-ssa.c (_elim_graph): Change the type of STACK to
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-30  Kazu Hirata  <kazu@codesourcery.com>
2
3         * tree-outof-ssa.c (_elim_graph): Change the type of STACK to
4         VEC(int,heap).
5         (new_elim_graph, delete_elim_graph, elim_forward,
6         eliminate_phi): Use the VEC API on STACK.
7
8 2005-12-29  Daniel Berlin  <dberlin@dberlin.org>
9
10         * tree.h (VALUE_HANDLE_VUSES): New.
11         (struct tree_value_handle): Add vuses.
12
13         * tree-vn.c (struct val_expr_pair_d): Remove stmt, add vuses.
14         (vn_compute): Remove stmt argument.
15         Don't use vuses in hash value computation.
16         (val_expr_pair_eq): Compare vuse lists.
17         (copy_vuses_from_stmt): New function.
18         (shared_vuses_from_stmt): Ditto.
19         (vn_add): Rewrite in terms of vn_add_with_vuses.
20         (vn_add_with_vuses): New function.
21         (vn_lookup): Rewrite in terms of vn_lookup_with_vuses.
22         (vn_lookup_with_vuses): New function.
23         (vuses_compare): New function.
24         (print_creation_to_file): Ditto.
25         (vn_lookup_or_add): Rewrite to handle vuses.
26         (sort_vuses): New function.
27         (vn_lookup_or_add_with_vuses): Ditto.
28         (vn_init): Initialize shared_lookup_vuses.
29         (vn_delete): Free shared_lookup_vuses.
30
31         * tree-ssa-pre.c: Update todo list.
32         (bb_value_sets_t): Add rvuse_in, rvuse_out, rvuse_gen, and
33         rvuse_kill.
34         (RVUSE_IN): New macro.
35         (RVUSE_GEN): Ditto.
36         (RVUSE_KILL): Ditto.
37         (RVUSE_OUT): Ditto.
38         (modify_expr_node_pool): New function.
39         (pretemp): New.
40         (storetemp): Ditto.
41         (mergephitemp): Ditto.
42         (prephitemp): Ditto.
43         (struct expr_pred_trans_d): Add vuses member.
44         (expr_pred_trans_eq): Compare vuses.
45         (phi_trans_lookup): Add vuses argument.
46         (phi_trans_add): Ditto.
47         (translate_vuses_through_block): New function.
48         (phi_translate): Use vuses to ask about those expressions that can
49         have vuses.
50         Properly translate virtual uses through phis, and use
51         vn_lookup_or_add_with vuses.  Handle tcc_reference.
52         (phi_translate_set): Don't add pointless translations to the
53         cache.
54         (get_representative): New function.
55         (vuses_dies_in_block_x): Ditto.
56         (valid_in_set): Add block argument.  Check virtual use validity.
57         (clean): Add block argument. Update call to valid_in_set
58         (compute_antic_aux): Update call to clean.
59         (dump_bitmap_of_names): New function.
60         (compute_vuse_representatives): Ditto.
61         (compute_rvuse): Ditto.
62         (can_value_number_call): Modified to accept calls with vuses.
63         (can_value_number_operation): New function.
64         (can_PRE_operation): Ditto.
65         (need_creation): New vector of stores that may need creation.
66         (find_or_generate_expression): use can_PRE_operation.
67         (create_expression_by_pieces): Handle INDIRECT_REF.
68         Only create one temp until we have to change types.
69         Mark new vars for renaming.
70         (insert_into_preds_of_block): Ignore loopiness of loads.
71         Use can_PRE_operation.
72         Only create one temp until we have to chnge types.
73         (insert_aux): Use can_PRE_operation.
74         Don't pass name to insert_into_preds_of_block.
75         (insert_extra_phis): Only use one temp until we have to change
76         types.
77         (poolify_tree): New function.
78         (modify_expr_template): New var.
79         (poolify_modify_expr): New function.
80         (insert_fake_stores): Ditto.
81         (realify_fake_stores): Ditto.
82         (compute_avail): Use can_value_number_operation.
83         (mark_operand_necessary): Return NULL for non-SSA names.
84         (remove_dead_inserted_code): Update comment.
85         (init_pre): Initialize pretemp, need_creation, storetemp,
86         mergephitemp, prephitemp.
87         Create modify_expr_node_pool.
88         (fini_pre): Free modify_expr_node_pool and need_creation array.
89         (execute_pre): Call insert_fake_stores, compute_rvuse, and
90         realify_fake_stores. 
91         * tree-flow.h (vn_compute): Fix prototype.
92         (vn_add): Ditto.
93         (vn_lookup): Ditto.
94         (sort_vuses): New.
95         (vn_lookup_or_add_with_vuses): Ditto.
96         (vn_add_with_vuses): Ditto.
97         (vn_lookup_with_vuses): Ditto.
98         * passes.c (pass_may_alias): Add.
99
100 2005-12-30  Gabriel Dos Reis  <gdr@integrable-solutions.net>
101
102         * c-pretty-print.h (struct c_pretty_print_info): Add new member
103         "constant". 
104         (pp_constant): New macro.
105         * c-pretty-print.c (pp_c_pretty_printer_init): Set pp->constant.
106
107 2005-12-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
108
109         PR fortran/25586
110         * pa.md: Remove REG_POINTER check from REG+REG peephole2 floating-point
111         store patterns.
112
113 2005-12-29  Mike Stump  <mrs@apple.com>
114
115         * doc/invoke.texi (Objective-C and Objective-C++ Dialect Options
116         -fobjc-exceptions): Don't imply this doesn't work with the GNU
117         runtime.
118
119 2005-12-29  Nathan Sidwell  <nathan@codesourcery.com>
120
121         * varasm.c (get_section): Use gcc_assert.
122
123 2005-12-29  Paul Brook  <paul@codesourcery.com>
124
125         * config/m68k/m68k.h (RETURN_ADDR_RTX): Define.
126         * config/m68k/m68k.c (m68k_initial_elimination_offset): Remove FIXME.
127         Include offset due to FIRST_PARM_OFFSET.
128
129 2005-12-29  Paul Brook  <paul@codesourcery.com>
130
131         * config/m68k/lb1sf68.asm (__cmpdf2): Fix typo in immediate mask.
132         Create wrapper and rename body...
133         (__cmpdf2_internal): ... to this.  Return correct value for unordered
134         result.
135         (__cmpsf2): Create wrapper and rename body...
136         (__cmpsf2_internal): ... to this.  Return corerct value for unordered
137         result.
138         (__eqdf2, __nedf2, __gtdf2, __gedf2, __ltdf2, __ledf2): Use
139         __cmpdf2_internal.
140         (__eqsf2, __nesf2, __gtsf2, __gesf2, __ltsf2, __lesf2): Use
141         __cmpsf2_internal.
142
143 2005-12-29  Paul Brook  <paul@codesourcery.com>
144
145         * config/m68k/fpgnulib.c (__extendsfdf2): Handle negative zero.
146         (__truncdfsf2): Ditto.
147         (__extenddfxf2): Ditto.
148         (__truncxfdf2): Ditto.
149         * config/m68k/lb1sf68.asm (__addsf3): Return -0.0 for -0.0 + -0.0.
150         (__adddf3): Ditto.
151
152 2005-12-29  Daniel Jacobowitz  <dan@codesourcery.com>
153         Paul Brook  <paul@codesourcery.com>
154
155         * config/m68k/m68k.c (m68k_output_pic_call): Don't use bsr.l for
156         !TARGET_68020.
157         * config/m68k/t-m68kelf (EXTRA_PARTS): Remove.
158         (EXTRA_MULTILIB_PARTS): Set.
159         * config/m68k/t-uclinux (EXTRA_PARTS): Remove.
160         (EXTRA_MULTILIB_PARTS): Set.
161
162 2005-12-29  Alan Modra  <amodra@bigpond.net.au>
163
164         PR target/25572
165         * config/rs6000/rs6000.c (create_TOC_reference): Set regs_ever_live.
166
167 2005-12-28  Nathan Sidwell  <nathan@codesourcery.com>
168
169         * config.gcc (mt-*-*): Add --with-arch support.
170         (--with): Print accepted options on error.
171         * config/mt/mt.h (OPTION_DEFAULT_SPECS): Define.
172
173         * config/mt/mt.c (DEF_VEC_P(basic_block),
174         DEF_VEC_ALLOC_P(basic_bloc,heap)): Remove from here.
175
176 2005-12-28  Daniel Berlin  <dberlin@dberlin.org>
177
178         Fix PR tree-optimization/25394
179         * fold-const.c (fold_checksum_tree): Guard 
180         portions of checksumming with correct structure checks.
181
182 2005-12-27  Kazu Hirata  <kazu@codesourcery.com>
183
184         * global.c, tree-ssa-pre.c: Move DEF_VEC_P(basic_block) and
185         DEF_VEC_ALLOC_P(basic_block,{gc,heap}) to ...
186         * basic-block.h: ... here.
187
188 2005-12-27  Roger Sayle  <roger@eyesopen.com>
189
190         * fold-const.c (int_const_binop): Return NULL_TREE when an expression
191         can't be evaluated at compile-time (instead of calling abort).
192         Return NULL_TREE for division (and modulus) by zero.
193         (const_binop):  Return NULL_TREE for floating point operators that
194         aren't handled by real_arithmetic.
195         (fold_binary):  Eliminate "wins" variable, and "binary" label, by
196         folding operators with constant operands early.  Assert that
197         operands are non-NULL.
198
199 2005-12-27  Kazu Hirata  <kazu@codesourcery.com>
200
201         * tree-vrp.c (extract_range_from_binary_expr): Use
202         build_int_cst instead of fold_convert.
203
204 2005-12-26  Mark Mitchell  <mark@codesourcery.com>
205
206         PR c++/23171, c++/23172, c++/25417.
207         * c-decl.c (compound_literal_number): Remove.
208         (build_compound_literal): Use set_compound_literal_name.
209         * c-common.c (compound_literal_number): New variable.
210         (set_compound_literal_name): New function.
211         * c-common.h (set_compound_literal_name): Declare.
212         
213 2005-12-26  Kazu Hirata  <kazu@codesourcery.com>
214
215         PR tree-optimization/25125
216         * convert.c (convert_to_integer): Don't narrow the type of a
217         PLUX_EXPR or MINUS_EXPR if !flag_wrapv and the unwidened type
218         is signed.
219
220 2005-12-26  Graham Stott  <graham.stott@btinternet.com>
221
222         PR middle-end/25568
223         * combine.c (simplify_shift_const_1 <case PLUS>):Fix enable-checking
224         rtl bootstrap failure.
225
226 2005-12-25  Kazu Hirata  <kazu@codesourcery.com>
227
228         * final.c (compute_alignments): Make it static.
229         * gcse.c (gcse_main, bypass_jumps): Likewise.
230         * web.c (web_main): Likewise.
231         * output.h: Remove the prototype for compute_alignments.
232         * rtl.h: Remove the prototypes for web_main, gcse_main, and
233         bypass_jumps.
234
235 2005-12-24  Roger Sayle  <roger@eyesopen.com>
236
237         * expr.c (force_operand): Use expand_fix and expand_float to
238         implement integer <-> FP conversions instead of convert_to_mode.
239
240 2005-12-24  Mark Mitchell  <mark@codesourcery.com>
241
242         PR c++/23171
243         * varasm.c (initializer_constant_valid_p): An ADDR_EXPR of a
244         CONSTRUCTOR is invalid.
245
246 2005-12-23  Daniel Berlin  <dberlin@dberlin.org>
247
248         * tree-pass.h (pass_eliminate_useless_stores): Remove.
249         * tree-ssa-pre.c (is_copy_stmt): Ditto.
250         (follow_copies_till_vuse): Ditto.
251         (do_eustore): Ditto.
252         (gate_eustores): Ditto.
253         (pass_eliminate_useless_stores): Ditto.
254         * passes.c (init_optimization_passes): Ditto.
255
256 2005-12-23  Paolo Bonzini  <bonzini@gnu.org>
257
258         * combine.c (simplify_shift_const): Fix typo.  Use, whenever
259         applicable, simplify_const_binary_operation.
260
261         (simplify_shift_const): Leave only the fallback
262         case when no simplification is possible.  Extract to...
263         (simplify_shift_const_1): ... here.  Always create a new
264         RTX instead of substituting.  Remove the signed_count variable.
265         Return NULL_RTX if no substitution is possible.
266
267         (simplify_and_const_int): Leave only the fallback
268         case when no simplification is possible.  Extract to...
269         (simplify_and_const_int_1): ... here.  Always create a new
270         RTX instead of substituting.  Return NULL_RTX if no substitution
271         is possible.
272
273         (force_to_mode, simplify_comparison): Don't pass a non-NULL first
274         parameter to simplify_and_const_int and simplify_shift_const,
275         unless it is equal to the expected non-simplified result.
276
277 2005-12-23  Jakub Jelinek  <jakub@redhat.com>
278
279         PR target/25005
280         * regrename.c (replace_oldest_value_reg): Use validate_change with
281         IN_GROUP set to 1 instead of doing direct modifications.
282         (copyprop_hardreg_forward_1): Likewise.  If any replace_oldest_*
283         replacements have been performed on an instruction, use
284         apply_change_group ().
285
286 2005-12-23  Hans-Peter Nilsson  <hp@axis.com>
287
288         * config/cris/arit.c (do_31div): Clarify what "31" refers to.
289         [L_divsi3] (__Udiv): Don't use as inline function.
290         [L_modsi3] (__Umod): Ditto.
291         (__Div): Rearrange to call do_31div directly instead of __Udiv.
292         (__Mod): Similarly regarding __Umod.
293
294         PR target/24342
295         * config/cris/cris.c (cris_split_movdx): Add REG_INC notes for
296         emitted insns with post-increments.
297         (cris_expand_epilogue): Ditto.
298
299 2005-12-22  Jakub Jelinek  <jakub@redhat.com>
300             Richard Henderson  <rth@redhat.com>
301
302         Merge from gomp-branch.
303         * builtins.def: Move all DEF_SYNC_BUILTIN to ...
304         * sync-builtins.def: ... new file.
305         (BUILT_IN_FETCH_AND_ADD_16,
306         BUILT_IN_FETCH_AND_SUB_16, BUILT_IN_FETCH_AND_OR_16,
307         BUILT_IN_FETCH_AND_AND_16, BUILT_IN_FETCH_AND_XOR_16,
308         BUILT_IN_FETCH_AND_NAND_16, BUILT_IN_ADD_AND_FETCH_16,
309         BUILT_IN_SUB_AND_FETCH_16, BUILT_IN_OR_AND_FETCH_16,
310         BUILT_IN_AND_AND_FETCH_16, BUILT_IN_XOR_AND_FETCH_16,
311         BUILT_IN_NAND_AND_FETCH_16, BUILT_IN_BOOL_COMPARE_AND_SWAP_16,
312         BUILT_IN_VAL_COMPARE_AND_SWAP_16, BUILT_IN_LOCK_TEST_AND_SET_16,
313         BUILT_IN_LOCK_RELEASE_16): New builtins.
314         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
315         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
316         * builtins.c (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
317         * c-common.c (enum c_builtin_type): Move to top-level from
318         c_common_nodes_and_builtins enum builtin_type.
319         (builtin_types): Move from c_common_nodes_and_builtins.
320         (def_fn_type): New.
321         (c_common_nodes_and_builtins): Use it.
322         (def_builtin_1): Check for error_mark_node.
323         (sync_resolve_size): Handle also 128 bit sync builtins.
324         * Makefile.in (BUILTINS_DEF): New.  Use it instead of builtins.def.
325
326         * config/i386/i386.h (x86_cmpxchg8b, x86_cmpxchg16b): New decls.
327         (TARGET_CMPXCHG8B, TARGET_CMPXCHG16B): Define.
328         * config/i386/i386.c (x86_cmpxchg8b, x86_cmpxchg16b): New variables.
329         * config/i386/sync.md (CASMODE, DCASMODE): New mode macros.
330         (doublemodesuffix, DCASHMODE): New mode attrs.
331         (sync_compare_and_swap<mode>): Change into expand, use CASMODE
332         instead of IMODE, if mode is wider than a word, expand into
333         sync_double_compare_and_swap*.
334         (*sync_compare_and_swap<mode>): New insn.
335         (sync_double_compare_and_swap<mode>): Likewise.
336         (*sync_double_compare_and_swapdi_pic): Likewise.
337         (sync_compare_and_swap_cc<mode>): Use CASMODE instead of IMODE, if
338         mode is wider than a word, expand into
339         sync_double_compare_and_swap_cc*.
340         (sync_double_compare_and_swap_cc<mode>): New insn.
341         (*sync_double_compare_and_swap_ccdi_pic): Likewise.
342
343 2005-12-22  Richard Henderson  <rth@redhat.com>
344
345         * config/i386/mmintrin.h (_mm_add_si64): Only define for SSE2.
346         (_mm_sub_si64): Likewise.
347         * config/i386/xmmintrin.h (_mm_shuffle_pi16, _m_pshufw): Likewise.
348
349 2005-12-23  Alan Modra  <amodra@bigpond.net.au>
350
351         PR rtl-optimization/25432
352         * reload1.c (eliminate_regs_in_insn): Update insn code on
353         successfully re-recognizing modified insn.
354
355 2005-12-22  Richard Guenther  <rguenther@suse.de>
356
357         * tree.c (tree_fold_gcd): Use build_int_cst where appropriate.
358         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
359         * varasm.c (array_size_for_constructor): Likewise.
360         * fold-const.c (size_diffop, invert_truthvalue,
361         optimize_bit_field_compare, make_range, build_range_check,
362         fold_cond_expr_with_comparison, fold_truthop,
363         fold_single_bit_test_into_sign_test, fold_binary): Likewise.
364
365 2005-12-22  Dale Johannesen  <dalej@apple.com>
366
367         * config/i386/sse.md (sse_movhlps):  Reverse operands for
368         2nd and 3rd alternatives.
369
370 2005-12-22  Andrew Pinski <pinskia@physics.uc.edu>
371
372         PR tree-opt/25513
373         * tree-dfa.c (make_rename_temp): Set DECL_COMPLEX_GIMPLE_REG_P complex
374         variables.
375
376 2005-12-22  Zdenek Dvorak <dvorakz@suse.cz>
377             Steven Bosscher <stevenb@suse.de>
378
379         * df.c (df_bitmaps_free): Only work for bbs for that structures are
380         allocated.
381         (df_bb_modify): Realloc tables to the new index.
382         (df_find_use): New function.
383         (df_find_def, df_reg_used): Handle subregs.
384         * df.h (df_find_use): Declare.
385
386         * loop-invariant.c: Include hashtab.h.
387         (struct invariant): Remove processed field, add eqto and reg fields.
388         (struct invariant_expr_entry): New.
389         (invariant_for_use, hash_invariant_expr_1, invariant_expr_equal_p,
390         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv,
391         find_identical_invariants, merge_identical_invariants): New functions.
392         (create_new_invariant): Return the new invariant.  Initialize new
393         fields.
394         (find_invariants): Call merge_identical_invariants.
395         (get_inv_cost, best_gain_for_invariant, set_move_mark,
396         move_invariant_reg): Handle equivalent invariants.
397         * Makefile.in (loop-invariant.o): Add HASHTAB_H dependency.
398
399 2005-12-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
400
401         PR c++/23333
402         * c-lex.c (c_lex_with_flags): Add PURE_ZERO to cpp_flags if
403         number is a single digit '0'.
404
405 2005-12-22  Kazu Hirata  <kazu@codesourcery.com>
406
407         PR tree-optimization/23518
408         * fold-const.c (make_range): Don't move a constant to the
409         other side of the comparison if the type is signed and -fwrapv
410         is given.
411
412 2005-12-22  Kazu Hirata  <kazu@codesourcery.com>
413
414         * tree-vrp.c (extract_range_from_binary_expr): Clean up uses
415         of vr0.type.
416
417 2005-12-21  Joseph S. Myers  <joseph@codesourcery.com>
418
419         PR middle-end/24998
420         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add _floatundidf and
421         _floatundisf.
422
423 2005-12-21  Andrew Haley  <aph@redhat.com>
424
425         PR middle-end/25121
426         * recog.c (peephole2_optimize): Don't peephole any
427         RTX_FRAME_RELATED_P insns.
428
429 2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
430
431         * tree-data-ref.c (estimate_niter_from_size_of_data): Replace
432         fold_build2 with fold_binary.
433         * tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
434         Replace fold_build1 with fold_unary.
435         * tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
436         with fold_binary.
437
438 2005-12-21  Steven Bosscher  <stevenb@suse.de>
439
440         PR rtl-optimization/25196
441         * postreload-gcse.c (record_last_set_info): Notice stack pointer
442         changes in push insns without REG_INC notes.
443
444 2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
445
446         PR tree-optimization/25382.
447         * tree-vrp.c (extract_range_from_binary_expr): Extract a range
448         from BIT_AND_EXPR.
449
450 2005-12-21  Janis Johnson  <janis187@us.ibm.com>
451             Ben Elliston  <bje@au.ibm.com>
452
453         * configure.ac: Enable C extension for decimal float if invoked
454         with --enable-decimal-float.
455         * doc/install.texi (Configuration): Document it.
456         * configure, config.in: Regenerate.
457
458 2005-12-20  Mike Stump  <mrs@apple.com>
459
460         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
461         ambiguity between -seg_addr_table and -seg_addr_table_filename.
462         (WORD_SWITCH_TAKES_ARG): Likewise.
463         (LINK_SPEC): Likewise.
464
465 2005-12-20  Kenneth Zadeck <zadeck@naturalbridge.com>
466
467         * cfganal.c (flow_reverse_top_sort_order_compute):
468         Renamed to post_order_compute and additional parameter added which
469         allows the inclusion of entry and exit blocks into list.
470         (mark_dfs_back_edges): Fixed comment.
471         (flow_depth_first_order_compute): Renamed to
472         pre_and_rev_post_order_compute additional parameter added which
473         allows the inclusion of entry and exit blocks into list.
474         * global.c (set_up_bb_rts_numbers): Call to
475         flow_reverse_top_sort_order_compute renamed to
476         post_order_compute.
477         * var-tracking.c (vt_stack_adjustments): Fixed comment.
478         (vt_find_locations): Call to
479         flow_depth_first_order_compute renamed to
480         pre_and_rev_post_order_compute.
481         * cfgloop.c (flow_find_loops): Ditto.
482         * tree-ssa-reassoc.c (init_reassoc): Ditto.
483         * df.c (df_analyze_1, df_analyze_subcfg): Calls to
484         flow_reverse_top_sort_order_compute renamed to post_order_compute
485         and calls to flow_reverse_top_sort_order_compute renamed to
486         post_order_compute.
487         * basic_block.h: Ditto.
488
489
490 2005-12-20  Roger Sayle  <roger@eyesopen.com>
491             Paolo Bonzini  <bonzini@gnu.org>
492
493         PR rtl-optimization/25115
494         * gcse.c (pre_insert_copy_insn): Fall back to the sole
495         SET in the insn if there is no SET for an
496         expression that is equivalent to EXPR.
497
498 2005-12-20  Richard Guenther  <rguenther@suse.de>
499
500         PR middle-end/24306
501         * builtins.c (std_gimplify_va_arg_expr): Do not align
502         va frame for zero sized types.
503         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
504
505 2005-12-20  Kazu Hirata  <kazu@codesourcery.com>
506
507         PR tree-optimization/25501
508         * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
509         used in the PHI argument corresponding to the edge from BB to
510         DEST.
511
512 2005-12-20  Richard Guenther  <rguenther@suse.de>
513
514         Revert
515         2005-12-02  Richard Guenther  <rguenther@suse.de>
516
517         * tree-cfg.c (mark_used_vars): New function.
518         (dump_function_to_file): Dump only used VAR_DECLs.
519
520 2005-12-19  Roger Sayle  <roger@eyesopen.com>
521
522         * combine.c (try_combine): Improve splitting of binary operators
523         by taking advantage of reassociative transformations.
524
525 2005-12-19  Jeff Law  <law@redhat.com>
526
527         * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
528         Strip away all type conversions after simplifying the
529         condition.
530
531         * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
532         cases the forwarder block dominates the destination.
533
534 2005-12-19  DJ Delorie  <dj@redhat.com>
535
536         * reload1.c (spill_failure): Dump reload data to dump file.
537         (find_reload_regs): Likewise.
538
539 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
540
541         PR tree-optimization/24793
542         * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
543         original reference if there are subvars.
544         * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
545
546 2005-12-19  Kenneth Zadeck <zadeck@naturalbridge.com>
547
548         * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
549         Corrected basic block number calculations for changes in entry and
550         exit numbering.
551         
552 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
553
554         * tree-flow.h (struct var_ann_d): Change type of
555         may_aliases field to VEC(tree, gc) *.
556         (may_aliases): Declaration changed.
557         * tree-ssa-alias.c (group_aliases, add_may_alias,
558         replace_may_alias, dump_may_aliases_for,
559         is_aliased_with, add_type_alias, new_type_alias):
560         Work with VEC(tree, gc) * instead of varray.
561         * tree-flow-inline.h (may_aliases): Ditto.
562         * tree-ssa.c (verify_flow_insensitive_alias_info,
563         verify_name_tags): Ditto.
564         * tree-ssa-operands.c (add_stmt_operand): Ditto.
565
566 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
567
568         * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
569         comes back.
570
571 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
572
573         * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
574         check.
575
576 2005-12-19  Ben Elliston  <bje@au.ibm.com>
577
578         * doc/install.texi (Configuration): Typo in Fortran subheading.
579
580 2005-12-19  Nathan Sidwell  <nathan@codesourcery.com>
581
582         * config/mt/mt.md (decrement_and_branch_until_zero): Add another
583         scratch.  Correct its reload split. Adjust its peephole.
584         (doloop_end): Add additional scratch.
585         (nop): Use 'nop'.
586         * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
587         (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
588         (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
589         (mt_builtin_saveregs): Replace with ...
590         (mt_setup_incoming_varargs): ... here.  Save just the varadic
591         args.
592         (mt_va_start): Remove.
593         (mt_reorg_hazard): Ignore USE insns.  Don't call set_noop_p.
594         (mt_machine_reorg): Split all insns here.
595         (TARGET_SETUP_INCOMING_VARARGS): Override.
596         * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
597         Set to CPU type.
598         (EXPAND_BUILTIN_VA_START): Remove.
599
600 2005-12-17  Kenneth Zadeck <zadeck@naturalbridge.com>
601
602         * flow.c (update_life_info, count_or_remove_death_notes): Fixed
603         latent bug that could happen if update_life_info was called with a
604         blocks parameter and the call to cleanup_cfg actually deleted one
605         of those blocks. 
606
607 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
608
609         * tree-ssa-structalias.c (update_alias_info): Remove handling
610         of may_be_aliased (SSA_NAME_VAR (op)) case.
611
612 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
613
614         * tree-flow.h (struct stmt_ann_d): Remove
615         makes_aliased_loads and makes_aliased_stores fields.
616         * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
617         and makes_aliased_loads fields.
618         * tree-ssa-dom.c (eliminate_redundant_computations): Do not
619         use makes_aliased_stores.
620         * tree-ssa-operands.c (clobbered_aliased_loads,
621         clobbered_aliased_stores, ro_call_aliased_loads): Removed.
622         (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
623         add_call_read_ops): Do not set makes_aliased_stores and
624         makes_aliased_loads fields.
625         * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
626         field.
627
628 2005-12-18  Geoffrey Keating  <geoffk@apple.com>
629
630         * config/darwin.h: Don't include darwin-sections.def to declare
631         global variables; instead create darwin_section_enum.
632         (darwin_section_enum): New.
633         (darwin_sections): New.
634         * config/darwin.c: Don't include darwin-sections.def to define
635         global variables.
636         (darwin_sections): New.
637         (output_objc_section_asm_op): Rewrite to take advantage of
638         darwin_sections.
639         (darwin_init_sections): Rewrite to use darwin_sections.
640         (machopic_output_indirection): Update for darwin_sections array.
641         (machopic_select_section): Likewise.
642         (machopic_select_rtx_section): Likewise.
643         (machopic_asm_out_constructor): Likewise.
644         (machopic_asm_out_destructor): Likewise.
645         (darwin_file_end): Likewise.
646         * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
647         * config/i386/i386.c (machopic_output_stub): Likewise.
648
649 2005-12-18  Richard Guenther  <rguenther@suse.de>
650
651         PR tree-optimization/25481
652         * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
653         don't have a varinfo for.
654
655 2005-12-18  Jon Grimm  <jgrimm2@us.ibm.com>
656             Janis Johnson  <janis187@us.ibm.com>
657             Ben Elliston  <bje@au.ibm.com>
658
659         * optabs.c (init_floating_libfuncs): Handle decimal float modes.
660         (init_optabs): Handle libfuncs for decimal float.
661         * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
662         * stor-layout.c (int_mode_for_mode): Likewise.
663         * simplify-rtx.c (simplify_immed_subreg): Likewise.
664         (simplify_unary_operation_1): Skip optimisations for decimal float
665         modes.
666         * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
667         * emit-rtl.c (gen_const_vector): Add assertion check.
668         (init_emit_once): Populate const_tiny_rtx with constants in each
669         decimal float mode.
670         * expmed.c (extract_high_half, expand_mult_highpart_optab,
671         expand_mult_highpart): Assert that mode is not a scalar float
672         mode.
673         * expr.c (convert_move): Handle conversion between decimal and
674         binary floats of the same size.
675         * convert.c (convert_to_real): Consider decimal float types when
676         folding.
677         * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
678         describe decimal floating point types.
679         
680 2005-12-18  Ulrich Weigand  <uweigand@de.ibm.com>
681
682         PR rtl-optimization/21041
683         * reload.c (find_reloads_subreg_address): Replace paradoxical
684         subreg of MEM by widened access only if the resulting memory
685         is properly aligned, even on !STRICT_ALIGNMENT targets.
686
687 2005-12-18  Andreas Krebbel  <krebbel1@de.ibm.com>
688
689         * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
690
691 2005-12-18  Steven Bosscher  <stevenb@suse.de>
692
693         * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
694         the 2005-12-17 patch to renumber the entry and exit blocks.
695
696 2005-12-18  Gabriel Dos Reis  <gdr@integrable-solutions.net>
697
698         * doc/objc.texi (Type encoding): Fix typo.
699
700 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
701
702         * tree-tailcall.c (find_tail_calls): Use XNEW.
703         * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
704         (free_all_edge_infos): Use explicit cast to convert from void *.
705         (vrp_free): Likewise.
706         (dom_opt_finalize_block): Likewise.
707         (record_equivalences_from_incoming_edge): Likewise.
708         (thread_across_edge): Likewise.  Use XCNEWVEC.
709         (record_cond): Use XCNEW.
710         (record_conditions): Use XNEWVEC.
711         (record_edge_info): Use XCNEWVEC.
712         (lookup_avail_expr): Use XNEW.
713         (record_range): Likewise.  Use GGC_NEW.
714         * tree-nested.c (var_map_hash): Use explicit cast to convert from
715         void *.
716         (var_map_eq): Likewise.
717         (lookup_field_for_decl): Likewise.
718         (convert_nonlocal_reference): Likewise.
719         (convert_local_reference): Likewise.
720         (convert_nl_goto_reference): Likewise.
721         (convert_nl_goto_receiver): Likewise.
722         (convert_call_expr): Likewise.
723         (convert_tramp_reference): Likewise.
724         (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
725         (convert_nl_goto_reference): Likewise.
726         (lookup_field_for_decl): Use GGC_NEW.
727         (create_nesting_tree): Use GGC_CNEW.
728         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
729         * tree-ssa-alias.c (init_alias_info): Use XCNEW.
730         (create_alias_map_for): Likewise.
731         (setup_pointers_and_addressables): Use XCNEWVEC.
732         (get_ptr_info): Use GGC_NEW.
733         (used_part_map_eq): Use explicit cast to convert from void *.
734         (up_lookup): Likewise.
735         (up_insert): Use XNEW.
736         (get_or_create_used_part_for): Use XCNEW.
737         (get_tmt_for): Likewise.
738         * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
739         * tree-ssa-pre.c (phi_trans_add): Use XNEW.
740         (bitmap_set_new): Use explicit cast to convert from void *.
741         (set_new): Likewise.
742         (insert_into_set): Likewise.
743         (pool_copy_list): Likewise.
744         (phi_translate): Likewise.
745         (create_value_expr_from): Likewise.
746         (insert_aux): Use XCNEWVEC.
747         (compute_avail): Use XNEWVEC.
748         * tree-ssa-live.c (calculate_live_on_entry): Likewise.
749         (sort_coalesce_list): Likewise.
750         (build_tree_conflict_graph): Use XCNEWVEC.
751         * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
752         * tree-ssa-copy.c (init_copy_prop): Likewise.
753         (fini_copy_prop): Likewise.
754         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
755         and XCNEWVEC.
756         (record_equiv): Use XNEW.
757         (uncprop_into_successor_phis): Use explicit cast to convert from
758         void *.
759         (uncprop_initialize_block): Likewise.
760
761 2005-12-18  Dorit Nuzman  <dorit@il.ibm.com>
762
763         PR tree-optimization/24378      
764         * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
765         basic-block after loop-versioning. 
766
767 2005-12-18  Jeff Law  <law@redhat.com>
768
769         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
770         to simplify SWITCH_EXPR_CODE moved from here to ...
771         * tree-ssa-forwprop.c (simplify_switch_expr): Here.
772         (tree-ssa-forward_propagate_single_use_vars): Call
773         simplify_switch_expr when appropriate.
774
775 2005-12-17  Andrew Pinski  <pinskia@physics.uc.edu>
776
777         * doc/objc.texi (Type encoding): Add documentation about encoding
778         complex types and _Bool.
779
780 2005-12-17  Paul Brook  <paul@codesourcery.com>
781
782         * config/m68k/m68k.md (m68k_output_function_prologue): Always call
783         dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
784         when frame_pointer_needed. 
785
786 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
787
788         * tree-vn.c (vn_add): Use XNEW.
789         * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
790         (ccp_fold): Likewise.
791         (fold_stmt_r): Use explicit cast to convert from void *.
792         * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
793         (new_temp_expr_table): Likewise.
794         * gimplify.c (lookup_tmp_var): Use XNEW.
795         (gimplify_asm_expr): Use explcit cast to convert from void *.
796         * tree-into-ssa.c (get_ssa_name_ann): Likewise.
797         (get_def_blocks_for): Use XNEW.
798         (add_to_repl_tbl): Likewise.
799         (mark_def_sites): Use explicit cast to convert from void *.
800         (def_blocks_free): Likewise.
801         (mark_def_sites_initialize_block): Likewise.
802         (update_ssa): Use XNEWVEC.
803         * tree-dfa.c (create_var_ann): Use GGC_NEW.
804         (create_stmt_ann): Likewise.
805         (create_tree_ann): Likewise.
806         (referenced_var_insert): Likewise.
807         (set_default_def): Likewise.
808         (referenced_var_lookup_if_exists): Use explicit cast to convert
809         from void *.
810         (referenced_var_lookup): Likewise.
811         (default_def): Likewise.
812         (set_default_def): Likewise.
813         * tree-cfg.c (create_bb): Likewise.
814         (edge_to_cases_cleanup): Likewise.
815         (verify_node_sharing): Likewise.
816         (record_switch_edge): Use XNEW.
817         (cleanup_dead_labels): Use XCNEWVEC.
818         (tree_duplicate_sese_region): Use XNEWVEC.
819         * tree-scalar-evolution.c (get_instantiated_value): Likewise.
820         * tree-ssa.c (verify_ssa): Use XCNEWVEC.
821         (int_tree_map_eq): Use explicit cast to convert from void *.
822         * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
823         (__gcov_execl): Likewise.
824         (__gcov_execlp): Likewise.
825         (__gcov_execle): Likewise.
826         * tree-eh.c (struct_ptr_eq): Likewise.
827         (struct_ptr_hash): Likewise.
828         (lookup_stmt_eh_region_fn): Likewise.
829         (outside_finally_tree): Likewise.
830         (find_goto_replacement): Likewise.
831         (make_eh_edge): Likewise.
832         (mark_eh_edge): Likewise.
833         (add_stmt_to_eh_region_fn): Use GGC_NEW.
834         (record_in_finally_tree): Use XNEW.
835         (maybe_record_in_goto_queue): Use XRESIZEVEC.
836         (lower_try_finally_copy): Use XCNEWVEC.
837
838 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
839
840         * tree-inline.c (copy_body_r): Use explicit cast when converting
841         from void *.
842         (copy_bb): Likewise.
843         (copy_edges_for_bb): Likewise.
844         (remap_decl_1): Likewise.
845         (estimate_num_insns_1): Likewise.
846         * cgraph.c (hash_node): Use explicit cast when converting from
847         void *.
848         (eq_node): Likewise.
849         (cgraph_create_node): Use GGC_CNEW.
850         (cgraph_create_edge): Use GGC_NEW.
851         (cgraph_remove_node): Use explicit cast when converting from void *.
852         (hash_varpool_node): Likewise.
853         (eq_varpool_node): Likewise.
854         (cgraph_varpool_node): Use GGC_CNEW.
855         * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
856         * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
857         (eq_scev_info): Use explicit cast when converting from void *.
858         (find_var_scev_info): Likewise.
859         (set_instantiated_value): Likewise.
860         (gather_stats_on_scev_database_1): Likewise.
861         * cfgloop.h (simple_loop_desc): Use explicit cast when converting
862         from void *.
863         * c-pch.c (c_common_write_pch): Use XNEWVEC.
864         (c_common_read_pch): Likewise.
865         * prefix.c (save_string): Use XNEWVEC.
866         (translate_name): Use explicit cast when converting from void *.
867         * c-ppoutput.c (print_line): Use explicit cast when converting
868         from void *.
869         (pp_dir_change): Likewise.
870         * c-cppbuiltin.c (builtin_define_std): Likewise.
871         (builtin_define_with_value): Likewise.
872         (builtin_define_with_value_n): Likewise.
873         (builtin_define_with_int_value): Likewise.
874         (builtin_define_type_max): Likewise.
875         * c-incpath.c (add_env_var_paths): Use XNEWVEC.
876         (add_path): Use XNEW.
877         * c-format.c (check_format_info_main): Use GGC_NEW.
878         (format_type_warning): Use explicit cast when converting from void *.
879         * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
880         xmalloc. 
881         (start_init): Likewise.
882         * tree-flow-inline.h (first_referenced_var): Use explicit cast
883         when converting from void *.
884         (next_referenced_var): Likewise.
885         * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
886         * gensupport.c (lookup_predicate): Use explicit cast to convert
887         from void *.
888         (init_predicate_table): Use XCNEW instead of xcalloc.
889         * genpreds.c (process_define_predicate): Likewise.
890
891 2005-12-17  Danny Berlin <dberlin@dberlin.org>
892             Kenneth Zadeck <zadeck@naturalbridge.com>
893
894         * basic-block.h: Changed basic block numbering so that the entry
895         block is 0 and the exit block is 1.  Changed insn iterators so
896         that they are tolerant of blocks with no insns.
897         * regrename.c (copyprop_hardreg_forward): Changed basic block
898         numbering so that the entry block is 0 and the exit block is 1.
899         * sched-ebb.c (sehedule_ebbs): Ditto.
900         * tracer.c (branch_ratio_cutoff): Ditto.
901         * cfgloopmanip.c (fix_loop_structure): Ditto.
902         * cfghooks.c (verify_flow_info): Ditto.
903         * cfg.c (compact_blocks): Ditto.
904         * reorg.c (dbr_schedule): Ditto.
905         * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
906         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
907         calculate_dominance_info): Ditto.
908         * cfganal.c (create_edge_list, print_edge_list,
909         flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
910         flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
911         dfs_enumerate_from): Ditto.
912         * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
913         * ifcvt.c (find_if_case_2): Ditto.
914         * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
915         find_basic_blocks): Ditto.
916         * predict.c (predict_loops, tree_bb_level_predictions,
917         predict_paths_leading_to, propagate_freq): Ditto.
918         * lcm.c (compute_antinout_edge, compute_laterin,
919         compute_available): Ditto.
920         * function.c (thread_prologue_and_epilogue_insns): Ditto.
921         * gcse.c (gcse_main, bypass_jumps): Ditto.
922         * profile.c (compute_branch_probabilities,
923         compute_value_histograms, branch_prob): Ditto.
924         * tree-flow-inline.h (bsi_start, bsi_after_labels,
925         bsi_last): Ditto.
926         * tree-ssa-phiopt.c (tree_ssa_phiopt,
927         blocks_in_phiopt_order): Ditto.
928         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
929         compute_out, link_btr_uses, migrate_btr_defs): Ditto.
930         * tree-dfa.c (collect_dfa_stats): Ditto.
931         * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
932         * cfglayout.c (fixup_reorder_chain): Ditto.
933         * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
934         partition_hot_cold_basic_blocks): Ditto.
935         * var-tracking.c (vt_find_locations): Ditto.
936         * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
937         * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
938         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
939         label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
940         * tree-ssa-reassoc.c (init_reassoc): Ditto.
941         * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
942         rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
943         * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
944         and removed unused reverse orders.
945         * df.h (): Ditto.
946         * combine.c: Fix document typo.
947
948 2005-12-17  Jan Hubicka  <jh@suse.cz>
949
950         * tree-flow-inline.h (set_default_def, default_def): Kill.
951         * tree-dfa.c (default_defs): New global variable.
952         (default_def, set_default_def): New functions.
953         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
954         * tree-flow.h (struct var_ann_d): Kill default_def field.
955         (set_default_def, default_def): Update prototype.
956         (default_defs): Declare.
957
958 2005-12-16  Jeff Law  <law@redhat.com>
959
960         * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
961         (simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
962         into tree-ssa-forwprop.c.
963         (eliminate_redundant_computations): Do not call
964         simplify_rhs_and_lookup_avail_expr anymore.
965         * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
966         extracted from remnants of simplify_rhs_and_lookup_avail_expr.
967         (tree_ssa_forward_propagate_single_use_vars): Call
968         simplify_not_neg_expr appropriately.
969
970 2005-12-16  Bernd Trog  <berndtrog@yahoo.com>
971
972         PR target/20016
973         * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
974
975 2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
976
977         PR rtl-optimization/25456
978         * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
979         info->x_start with p->x_start.
980
981 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
982
983         * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
984         introduced 2005-12-16.
985
986 2005-12-16  Steven Bosscher  <stevenb@suse.de>
987
988         PR rtl-optimization/23837
989         * optabs.c (expand_binop): For a multi-word rotate, never emit
990         a REG_NO_CONFLICT block.
991
992 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
993
994         PR middle-end/25457
995         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
996
997         PR target/25447
998         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
999         MODE_DECIMAL_FLOAT.
1000
1001 2005-12-16  Steven Bosscher  <stevenb@suse.de>
1002
1003         * loop-invariant.c (move_loop_invariants): Add missing hunk from
1004         the previous patch, to nullify df.
1005
1006 2005-12-16  Steven Bosscher  <stevenb@suse.de>
1007
1008         * reorg.c (mostly_true_jump): Clean up code depending on
1009         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
1010         poor man's branch prediction, instead rely on REG_BR_PROB
1011         notes to be available.
1012
1013 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
1014
1015         PR rtl-optimization/24899
1016         * loop.c (strength_reduce): Don't reduce giv that is not always
1017         computable and where add_val or mult_val can trap.
1018
1019         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
1020
1021 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
1022
1023         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
1024         names of ms1-16-002 files.
1025
1026 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
1027
1028         PR driver/20425
1029         * gcc.c (for_each_path): New function.
1030         (add_to_obstack, file_at_path): New functions.
1031         (struct file_at_path_info, struct add_to_obstack_info): New.
1032         (build_search_list): Rewrite using for_each_path.  Constify struct
1033         path_prefix pointer.  Add do_multi param.  Adjust all callers.
1034         (find_a_file): Similarly, but just change existing param to bool.
1035         (putenv_from_prefixes): Add do_multi param, make "paths" const.
1036         (do_spec_path): Delete.
1037         (struct spec_path_info): New.
1038         (spec_path): New function.
1039         (do_spec_1): Use for_each_path for %D and %I.
1040         (find_file): Adjust for find_a_file changes.
1041         (main): Search multilibs for specs.  Print multilib lib path for
1042         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
1043         (read_specs): Search multilibs for %include and %include_noerr.
1044         (is_directory): Remove second string param.  Change last param
1045         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
1046         check path is a dir.  Update all callers.
1047         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
1048         * system.h (SMALL_ARG_MAX): Poison.
1049         * config.gcc: Don't define SMALL_ARG_MAX.
1050         * config.host: Likewise.
1051         * config.build: Likewise.
1052
1053 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
1054
1055         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
1056         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
1057         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
1058         simplify_logical): Move simplifications that do not require
1059         additional infrastructure...
1060         * simplify-rtx.c (simplify_unary_operation_1,
1061         simplify_binary_operation_1): ... here.
1062
1063 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1064
1065         PR 24823
1066         * flow.c (mark_used_dest_regs): New function.
1067         (mark_used_regs): Call mark_used_dest_regs.
1068
1069 2005-12-16  Jeff Law  <law@redhat.com>
1070
1071         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
1072         represent a use and definition of the same SSA_NAME.
1073
1074 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
1075             Janis Johnson  <janis187@us.ibm.com>
1076             Ben Elliston  <bje@au.ibm.com>
1077
1078         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
1079         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
1080         * target.h (struct gcc_target): Add decimal_float_supported_p.
1081         * targhooks.c (default_scalar_mode_supported_p): Handle
1082         MODE_DECIMAL_FLOAT.
1083         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
1084         of inf, nan, finite, isinf and isnan.
1085         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
1086         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
1087         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
1088         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
1089         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
1090         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
1091         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
1092         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
1093         Pedwarn if decimal floating point types are used.  Error if
1094         decimal floating point is not supported by the target.
1095         (finish_declspecs): Return type from DFP typespec_word.
1096         * c-typeck.c (c_common_type): Choose the decimal floating point
1097         type with the greater precision when determining a common type.
1098         (convert_arguments): Warn if there is a mismatch between argument
1099         and prototype for decimal float types.  Warn of conversions with
1100         binary float types and of precision narrowing due to prototype.
1101         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
1102         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
1103         (c_token_starts_declspecs): Likewise.
1104         (c_parser_attributes): Likewise.
1105         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
1106         RID_DFLOAT64, RID_DFLOAT128.
1107         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
1108         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
1109         (shorten_compare): Convert DFP/BFP operands to a common type.
1110         (c_common_modes_and_builtins): Register built-in decimal float
1111         types if the target supports them.
1112         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
1113         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
1114         inf, nan, finite, isinf and isnan builtins.
1115         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
1116         (builtin_define_float_constants): Assert non-decimal radix.
1117         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
1118         Call builtin_define_decimal_float_constants for each type.
1119         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
1120         flags.  Use real_from_string3, which can handle binary or decimal
1121         floats.
1122         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
1123         cts_dfloat64, cts_dfloat128.
1124         * tree.c (build_common_tree_nodes_2): Add decimal float types.
1125         * tree.h (enum tree_index): Add new enumeration values
1126         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
1127         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
1128         (dfloat32_type_node): New macro.
1129         (dfloat64_type_node, dfloat128_type_node): Likewise.
1130         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
1131         (dfloat128_ptr_type_node): Likewise.
1132         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
1133         bit decimal floating point types with "df", "dd" and "dl".
1134         * c-format.h (enum format_lengths): Add new enumeration values
1135         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
1136         * c-format.c (printf_length_specs, scanf_length_specs): Add
1137         entries for H, D, DD.
1138         (print_char_table, scan_char_table): Use new entries.
1139         (asm_fprintf_char_table, gcc_diag_char_table,
1140         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
1141         length arrays.
1142         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
1143         (DECIMAL64_TYPE_SIZE): Likewise.
1144         (DECIMAL128_TYPE_SIZE): Likewise.
1145         (TARGET_DEC_EVAL_METHOD): Likewise.
1146         * doc/extend.texi (Decimal Float): New node.
1147         (Constructing Calls): Document decimal float built-ins.
1148         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
1149         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
1150         * ginclude/decfloat.h: New file.
1151
1152 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
1153
1154         * reload.c (find_reloads): Fix comment typo.
1155         * recog.h (recog_memoized): Correct comment.
1156
1157 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
1158
1159         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
1160         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
1161         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
1162         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
1163         * doc/invoke.texi, doc/tm.texi: Fix typos.
1164
1165 2005-12-16  Ben Elliston  <bje@au.ibm.com>
1166
1167         * real.c (decimal_quad_format): Correct values for emin, emax.
1168
1169 2005-12-15  DJ Delorie  <dj@redhat.com>
1170
1171         * config/m32c/predicates.md (m32c_psi_scale): New.
1172         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
1173         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
1174
1175 2005-12-16  Jan Hubicka  <jh@suse.cz>
1176
1177         PR rtl-optimization/25224
1178         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
1179         tables.
1180
1181 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
1182             Steven Bosscher <stevenb@suse.de>
1183
1184         * loop-invariant.c (df): New global variable.
1185         (find_defs, check_dependencies, find_invariant_insn, record_uses,
1186         find_invariants_bb, find_invariants_body, find_invariants,
1187         find_invariants_to_move, move_invariants, free_inv_motion_data,
1188         move_single_loop_invariants, move_loop_invariants): Do not pass df in
1189         arguments.
1190
1191 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
1192
1193         * varasm.c (default_unique_section_1): Use special section
1194         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
1195
1196 2005-12-16  Ben Elliston  <bje@au.ibm.com>
1197
1198         * doc/invoke.texi (Warning Options): Document -Walways-true being
1199         enabled by -Wall.
1200
1201 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
1202
1203         PR other/25028
1204         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
1205         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
1206         __floatunditf): Use #error if type sizes don't match requirements
1207         of implementation.
1208         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
1209         as wider floating-point type.  Use #error if type sizes don't
1210         match requirements of implementation.  Avoid overflow in computing
1211         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
1212         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
1213         (__floatundisf, __floatundidf): Likewise.
1214         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
1215         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1216         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
1217         TFmode-TImode conversions.
1218         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
1219
1220 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
1221
1222         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
1223         Use builtin_define_with_int_value() instead of
1224         adding a new check for every new major FreeBSD version.
1225
1226 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
1227
1228         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
1229
1230 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
1231
1232         * config/arm/predicates.md (call_memory_operand): New.
1233         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
1234
1235 2005-12-15  Andrew Haley  <aph@redhat.com>
1236
1237         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
1238         against prev_cache_entry == NULL when moving a cache entry to the
1239         head of the list.
1240         
1241 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1242
1243         * config/mt/mt.c (mt_override_options): Require lower case
1244         architectures.  Revert accidental default to ms2.
1245         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
1246         ENDFILE_SPEC): Require lower case architectures.  Revert default
1247         to ms2.
1248
1249         * doc/invoke.texi (MT Options): Rename and update.
1250         * doc/md.texi (MorphoTech family): Rename and update.
1251
1252 2005-12-15  Olivier Hainque  <hainque@adacore.com>
1253
1254         * stor-layout.c (layout_type): Don't complain about a too small
1255         an array element type size compared to its alignment when the
1256         size overflows.
1257
1258 2005-12-15  Jan Hubicka  <jh@suse.cz>
1259
1260         PR target/24969
1261         * i386.c (classify_argument): Properly adjust offset of bitfield for
1262         substructures.
1263
1264 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
1265
1266         * final.c (final_scan_insn): Flip in_cold_section_p when changing
1267         between the hot and cold sections.  Use current_function_section
1268         to get the new section.
1269         * dwarf2out.c (output_line_info): Use in_cold_section_p to
1270         determine whether we are assembling hot or cold code.
1271         (secname_for_decl, dwarf2out_var_location): Likewise.
1272         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
1273         * varasm.c (last_text_section): Delete.
1274         (in_cold_section_p): New variable.
1275         (hot_function_section): New function.
1276         (current_function_section): Pass in_cold_section_p as the
1277         reloc argument to select_section.  Use it to decide between
1278         unlikely_function_section and hot_function_section.
1279         (assemble_start_function): Use switch_to_section.  Set
1280         in_cold_section_p instead of last_text_section.
1281         (assemble_end_function): Use switch_to_section.
1282         (switch_to_section): Don't set last_text_section.
1283         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
1284         argument to make the right choice between hot and cold sections.
1285
1286 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1287
1288         Second part of MS1->MT renaming
1289         * config/mt/mt.md (doloop_end): Call mt_add_loop.
1290         (movqi, movhi): Call mt_set_memflags.
1291         (*movdf_internal): Call mt_split_words. 
1292         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
1293         mt_set_memflags.
1294         (cmpsi): Store to mt_compare_op[01].
1295         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
1296         bungt, bunle, bunlt): Call mt_emit_cbranch.
1297         (prologue): Call mt_expand_prologue.
1298         (epilogu): Call mt_expend_epilogue.
1299         (eh_return): Call mt_expand_eh_return.
1300         (eh_epilogue): Call me_emit_eh_epilogue.
1301         (conditional_trap): Store to mt_compare_op[01].
1302         * config/mt/crti.asm: Adjust comment.
1303         * config/mt/crtn.asm: Adjust comment.
1304         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
1305         (mt_compare_op0, mt_compare_op1): Renamed.
1306         (current_frame_info, zero_frame_info): Adjust type.
1307         (mt_ucmpsi3_libcall): Renamed.
1308         (mt_flag_delayed_branch): Renamed.
1309         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
1310         (mt_nops_required, mt_nop_reasons): Renamed.
1311         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
1312         mt_debug_stack, mt_print_operand_simple_address,
1313         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
1314         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
1315         mt_function_arg_advance, mt_arg_partial_bytes,
1316         mt_pass_by_reference, mt_function_arg_boundary,
1317         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
1318         mt_legitimate_address_p): Renamed, adjusted.
1319         (mt_cpu): Renamed.
1320         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
1321         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
1322         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
1323         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
1324         mt_expand_eh_return, mt_emit_eh_prologue,
1325         mt_handl_interrupt_attribute): Renamed, adjusted.
1326         (mt_attribute_table): Renamed, adjusted.
1327         (mt_initial_elimination_offset, mt_generate_compare,
1328         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
1329         mt_secondary_reload_class, mt_function_value, mt_split_words,
1330         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
1331         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
1332         (mt_labels): Renamed.
1333         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
1334         mt_machine_reorg): Renamed, adjusted.
1335         (mt_attribute_table: Renamed.
1336         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
1337         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
1338         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
1339         * config/mt/mt.opt (march): Set mt_cpu_string.
1340         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
1341         (TARGET_CPU_CPP_BUILTINS): Adjust.
1342         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
1343         TARGET_MS2): Adjust.
1344         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
1345         (MT_MIN_INT): Renamed.
1346         (RETURN_ADDR_RTX): Adjust.
1347         (struct mt_frame_info): Renamed.
1348         (current_frame_info): Adjust type.
1349         (INITIAL_ELIMINATION_OFFSET): Adjust.
1350         (MT_NUM_ARG_REGS): Renamed.
1351         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
1352         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
1353         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
1354         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
1355         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
1356         (mt_compare_op0, mt_compare_op1): Renamed.
1357         * config/mt/mt-protos.h: Rename prototypes.
1358
1359 2005-12-15  Richard Guenther  <rguenther@suse.de>
1360
1361         * tree-flow.h (okay_component_ref_for_subvars): Remove.
1362         (get_ref_base_and_extent): Declare.
1363         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
1364         (get_ref_base_and_extent): New function.
1365         * tree-ssa-alias.c (find_used_portions): Use it.
1366         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1367         Likewise.
1368         * tree-ssa-operands.c (get_expr_operands): Likewise.
1369
1370 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
1371
1372         * combine.c: Remove force_to_mode's fourth parameter.
1373         (force_to_mode): Do not handle REG.
1374         (canon_reg_for_combine): New.
1375         (make_field_assignment): Use it where the removed argument was non-NULL.
1376
1377 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
1378
1379         PR target/25406
1380         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
1381         error_mark_node.  Make alignment params unsigned.
1382         * config/rs6000/rs6000-protos.h
1383         (rs6000_special_round_type_align): Update prototype.
1384         (rs6000_machopic_legitimize_pic_address): Remove arg names.
1385
1386 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
1387
1388         PR rtl-optimization/25310
1389         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
1390         of the eliminable register when substituting into a PLUS.
1391
1392 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
1393
1394         PR debug/25023
1395         * config/i386/i386.c (ix86_force_to_memory): Always use
1396         SImode push for HImode in -m32.
1397         (ix86_free_from_memory): Likewise.
1398
1399 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
1400
1401         * gcc/config/arm/arm.md: Provide a big-endian version of the
1402         (zero_extend:SI (subreg:QI ...)) splitter.
1403
1404 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1405
1406         * struct-equiv.c (note_local_live): Handle hard regs with different
1407         hard_regno_nregs.
1408
1409 2005-12-14  Jeff Law  <law@redhat.com>
1410
1411         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
1412         to a structure containing state rather than a pointer to bool.
1413         (case ARRAY_REF): New code to handle folding some array references.
1414         (case ADDR_EXPR): Note when we are processing expressions found
1415         within an ADDRE_EXPR.
1416         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
1417         for state variables rather than just a pointer to a boolean.
1418         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1419         handling of constant string references.
1420
1421 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1422
1423         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
1424         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
1425         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
1426         Move other tst* patterns to retain partial order.
1427
1428 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1429
1430         * config/s390/s390.md ("d0", "1"): New mode attributes.
1431         ("<shift>di3", "<shift>si3"): Merge.
1432         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
1433         ("ashrdi3", "ashrsi3"): Merge.
1434         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
1435         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
1436         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
1437         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
1438         ("*ashrdi3", "*ashrsi3"): Merge.
1439         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
1440
1441 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1442
1443         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
1444         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
1445         ("*extendqidi2", "*extendqisi2") Merge.
1446         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
1447         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1448         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1449         Move some patterns to retain partial ordering.
1450
1451 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1452
1453         * config/s390/s390.md ("atype", "length"): Rewrite.
1454         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1455
1456 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1457
1458         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1459
1460 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1461
1462         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1463         PARALLELs with a mode.
1464
1465 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1466
1467         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1468         cond_expr parameter.
1469
1470 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1471
1472         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1473
1474 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1475
1476         PR bootstrap/25397:
1477
1478         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1479         of STACK_REGS bits.
1480
1481         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1482
1483 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
1484
1485         PR target/25254
1486         PR target/24188
1487         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1488         DECL_P, call get_section rather than get_named_section.  Supply
1489         section flags to it.
1490
1491 2005-12-14  Ben Elliston  <bje@au.ibm.com>
1492
1493         * c-common.c (c_common_truthvalue_conversion): Generalise warning
1494         for addresses converted to booleans; not just function addresses.
1495         * c-typeck.c (build_binary_op): Warn for address comparisons which
1496         can never be NULL (eg. func == NULL or &var == NULL).
1497         * common.opt (Walways-true): New option.
1498         * c-opts.c (c_common_handle_option): Set it with -Wall.
1499         * doc/invoke.texi: Document it.
1500
1501 2005-12-13  Paul Brook  <paul@codesourcery.com>
1502
1503         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1504         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1505
1506 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1507
1508         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1509         (EXTRA_MULTILIB_PARTS): Define.
1510
1511 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1512
1513         PR rtl-optimization/20070 / part1
1514         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1515         count_or_remove_death_notes with kill == -1.
1516         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1517         registers if PROP_POST_REGSTACK is set.
1518         (mark_used_reg): Likewise.
1519         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1520         REG_UNUSED notes for stack regs.
1521         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1522         to match rtx_equiv_p machinery.  Change caller.
1523         (outgoing_edges_match): Likewise.
1524         (try_crossjump_to_edge): Use struct_equiv_block_eq
1525         instead of flow_find_cross_jump.
1526         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1527         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1528         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1529         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1530         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1531         (insns_match_p): Update prototype.
1532         (flow_find_cross_jump): Remove prototype.
1533         (struct_equiv_block_eq, struct_equiv_init): Declare.
1534         (rtx_equiv_p, condjump_equiv_p): Likewise.
1535         * struct-equiv.c: Include reload.h.
1536         (IMPOSSIBLE_MOVE_FACTOR): Define.
1537         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1538         (struct_equiv_improve_checkpoint): Likewise.
1539         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1540         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1541         (struct_equiv_merge, find_dying_input): Likewise.
1542         (resolve_input_conflict, note_local_live): Likewise.
1543         (death_notes_match_p): Change parameters and processing
1544         to match rtx_equiv_p machinery.  Change caller.
1545         (insns_match_p): Likewise.
1546         (flow_find_cross_jump): Replace with:
1547         (struct_equiv_block_eq).
1548
1549         Back out this change:
1550         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1551           * recog.c (verify_changes): Make it static.
1552           * recog.h: Remove the corresponding prototype.
1553
1554 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1555
1556         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1557         values.
1558
1559 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1560
1561         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1562         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
1563         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1564         TARGET_MS1_64_001 appropriately.
1565         (ms1_machine_reorg): Use TARGET_MS2.
1566
1567 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
1568
1569         PR debug/25023
1570         PR target/25293
1571         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1572         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1573         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1574         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1575         Set mode to SI, adjust constraints.
1576         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1577         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1578         32-bit code.
1579
1580 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
1581
1582         * c-cppbuiltin.c (builtin_define_float_constants): Add
1583         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1584         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1585         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1586         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1587         to "((double)%sL)" otherwise "%s".
1588
1589 2005-12-13  Paul Brook  <paul@codesourcery.com>
1590
1591         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1592         apcs/atpcs.
1593
1594 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1595
1596         * tree-flow.h: Allow compilation with a C++ compiler.
1597         (struct edge_prediction): Prefix all field names  with "ep_".
1598         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1599         (tree_predict_edge, combine_predictions_for_bb): Likewise.
1600         (remove_predictions_associated_with_edge): Likewise.
1601         
1602 2005-12-12  Jeff Law  <law@redhat.com>
1603
1604         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1605         reassociation code.
1606         * passes.c (init_optimization_passes): Run reassociation again
1607         after loop optimizations.
1608
1609 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
1610
1611         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1612         if necessary.
1613         (optimize_stmt): Ditto.
1614         (canonicalize_comparison): New function.
1615         * tree-ssa-operands.c (swap_tree_operands): Make external.
1616         (get_expr_operands): Stop auto-canonicalization.
1617         * tree-ssa-reassoc.c: Rewrite.
1618         (init_optimization_passes): 
1619         * tree-flow.h (swap_tree_operands): Prototype.
1620         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1621
1622 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1623
1624         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1625         indicate function epilogue has been output.
1626         (pa_asm_output_mi_thunk): Likewise.
1627         (output_deferred_plabels): Put plabels in readonly data section when
1628         not generating PIC code.
1629         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1630         information.  Add assert.
1631         (som_output_comdat_data_section_asm_op): New function.
1632         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1633         instead of output_section_asm_op for COMDAT sections.
1634
1635 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
1636
1637         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1638         Fix whitespace in vincinity of to-be-installed changes.
1639         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1640         (insns_match_p): Likewise.
1641
1642 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
1643
1644         * config.gcc (ms1): Replace with ...
1645         (mt): ... this.
1646         * config/ms1: Rename to ...
1647         * config/mt: ... here.  Rename ms1 files to mt.
1648         * config/mt/mt.c: Adjust gt-mt.h #include.
1649         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1650         (crti.o, crtn.o): Adjust file names.
1651
1652 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1653
1654         * varray.h: Allow compilation with a C++ compiler.
1655         (union varray_data_tag): Prefix all field names with "vdt_".
1656         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1657         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1658         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1659         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1660         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1661         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1662         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1663         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
1664         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
1665         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
1666         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
1667         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
1668         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
1669         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1670         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
1671         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
1672         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
1673         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
1674         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
1675         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
1676         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
1677         VARRAY_TOP_TREE_PTR): Likewise.
1678         * varray.c (varray_grow): Likewise.
1679         (varray_clear): Likewise.
1680
1681 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
1682
1683         PR target/25299
1684         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1685         alignment to doubleword if the first field is a double array.
1686         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1687
1688 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1689
1690         * tree-ssa-structalias.c (process_constraint): Remove code to
1691         transform addressofs into scalar.
1692         (create_variable_info_for): In whole-program IPA, globals don't
1693         point to ANYTHING by default.
1694
1695 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1696
1697         * timevar.def (TV_IPA_PTA): New.
1698         * tree-pass.h (pass_ipa_pta): New
1699         * tree-ssa-structalias.c: Include cgraph.h
1700         (in_ipa_mode): New.
1701         (predbitmap_obstack): New.
1702         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1703         (struct constraint_stats): Add num_edges.
1704         (new_var_info): Don't call bitmap_clear.
1705         (struct constraint_edge): Update docs.
1706         (new_constraint_edge): Remove src param.
1707         (struct constraint_graph): Add zero_weight_succs,
1708         zero_weight_preds.  Update docs.
1709         (constraint_expr_equal): Reformat.
1710         (constraint_edge_equal): Update for removal of src.
1711         (constraint_edge_less): Ditto.
1712         (constraint_edge_vec_find): Ditto.
1713         (erase_graph_self_edge): Update for removal of src and and zero
1714         weight bitmap.
1715         (clear_edges_for_node): Ditto.
1716         (add_graph_edge): Ditto.
1717         (get_graph_weights): Ditto.
1718         (allocate_graph_weights): Ditto.
1719         (merge_graph_nodes): Ditto.
1720         (int_add_graph_edge): Ditto.
1721         (valid_graph_edge): Ditto.
1722         (valid_weighted_graph_edge): Ditto.
1723         (build_constraint_graph): Ditto.
1724         (scc_visit): Ditto.
1725         (collapse_nodes): Ditto.
1726         (process_unification_queue): Ditto.
1727         (topo_visit): Ditto.
1728         (solve_graph): Ditto.
1729         (do_structure_copy): Ditto.
1730         (perform_var_substitution): Ditto.
1731         Init and release obstack.
1732         (handle_ptr_arith): Try to resolve directly.
1733         (find_func_aliases): Don't call update_alias_info here
1734         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1735         (do_sd_constraint): Add code for propagating faster.
1736         Update.
1737         (do_ds_constraint): Ditto.
1738         (count_num_arguments): New function.
1739         (create_function_info_for): Ditto.
1740         (create_variable_info_for): Handle FUNCTION_DECL.
1741         (intra_create_variable_infos): Use make_constraint_to_anything.
1742         (init_alias_vars): Init obstacks here.
1743         (need_to_solve): Handle zero weight graph changes.
1744         (compute_points_to_sets): Call update_alias_info here.
1745         (delete_points_to_sets): Free zero weight preds/succs here.
1746         (gate_ipa_pta): New.
1747         (ipa_pta_execute): New
1748
1749 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1750
1751         * tree-ssa-structalias.c (var_anyoffset): Removed.
1752         (anyoffset_tree): Ditto.
1753         (anyoffset_id): Ditto.
1754         (do_deref): Take vector of constraints, no return value.
1755         Update to work on vector.                
1756         (get_constraint_for): Ditto.
1757         (get_constraint_for_component_ref): Ditto.
1758         (do_structure_copy): Ditto.
1759         (handle_ptr_arith): Ditto.
1760         (find_func_aliases): Ditto.
1761         (set_uids_in_ptset): Remove anyoffset handling.
1762         (init_base_vars): Ditto.
1763
1764 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
1765
1766         PR c++/25010
1767         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1768         DECL_EXTERNAL functions have no bodies.  Tidy.
1769
1770 2005-12-10  Andreas Schwab  <schwab@suse.de>
1771
1772         * except.c (switch_to_exception_section): Only define if
1773         TARGET_UNWIND_INFO is not defined.
1774
1775 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1776
1777         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1778         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1779
1780 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1781
1782         * output.h (init_section, fini_section): Delete.
1783         * varasm.c (init_section, fini_section): Delete.
1784         (init_varasm_once): Don't initialize them.
1785         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1786         there are no corresponding varasm.c variables.
1787
1788 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1789
1790         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1791         of EH_FRAME_SECTION_NAME into...
1792         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
1793         if it is still null.
1794         * except.c (default_exception_section): Delete, moving most
1795         of the code to...
1796         (switch_to_exception_section): ...this new function.  Set
1797         exception_section if it is still null, then switch to it.
1798         (output_function_exception_table): Use switch_to_exception_section.
1799         * varasm.c (exception_section, eh_frame_section): Update comments.
1800         (get_section): Hoist use of SECTION_NAMED.
1801         (init_varasm_once): Don't set exception_section and eh_frame_section.
1802         * output.h (default_exception_section): Delete.
1803         (default_eh_frame_section): Delete.
1804
1805 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1806
1807         * config/bfin/bfin.c: Include "cgraph.h".
1808         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1809         Return the reg that holds the pointer to the GOT.
1810         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1811         doing stack checking.
1812
1813 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
1814
1815         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1816         recompute_tree_invarant_for_addr_expr.
1817         Update uses everywhere.
1818
1819 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
1820
1821         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1822         (MULTILIB_DIRNAMES): Define.
1823
1824 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1825
1826         PR target/25311
1827         * config/s390/s390.c (struct s390_address): New field literal_pool.
1828         (s390_decompose_address): Compute literal_pool field.  Do not 
1829         assume register %r13 is always (and solely) used as pool base.
1830         (s390_extra_constraint_str): Use literal_pool field.
1831
1832 2005-12-09  Thiemo Seufer  <ths@networkno.de>
1833
1834         * config/mips/mips.c (override_options): Don't allow too small
1835         integers in FP registers.
1836
1837 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1838
1839         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1840         targetm.binds_local_p to check for local function calls.
1841
1842 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
1843
1844         PR debug/24908
1845         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1846         call_used_regs can't be used to save reg in another reg.
1847
1848 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1849             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
1850
1851         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1852         abort.
1853         * except.c (output_ttype): Likewise.
1854         * tree-object-size.c (collect_object_sizes_for): Likewise.
1855         (check_for_plus_in_loops_1): Likewise.
1856         (check_for_plus_in_loops): Likewise.
1857         (compute_object_sizes): Use gcc_unreachable instead of abort.
1858
1859 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
1860
1861         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1862         (loop_end, loop_init, doloop_end): New insns.
1863         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1864         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1865         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1866         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1867         * config/ms1/ms1.c: #include basic-block.h
1868         (struct machine_function): Add has_loops field.
1869         (ms1_add_loop): New.
1870         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1871         (struct loop_info, struct loop_work): New.
1872         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1873         (ms1_reorg_loops): New loop optimization.
1874         (ms1_machine_reorg): Call it.
1875         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1876
1877 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
1878
1879         PR tree-optimization/25248
1880         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1881         evolution_of_loop from the failed attempt.  Remove handling
1882         of MULT_EXPR.
1883
1884 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1885
1886         * tree.h (DECL_EXTERNAL): Clarify documentation.
1887
1888 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1889             Jakub Jelinek  <jakub@redhat.com>
1890
1891         PR target/25268
1892         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1893         argument.  Don't drop outer ANDs.
1894         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1895         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1896         prototype.
1897         * config/s390/predicates.md (setmem_operand): Remove.
1898         (shift_count_operand): Rename to...
1899         (shift_count_or_setmem_operand): ... this.  Adjust
1900         s390_decompose_shift_count caller.
1901         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1902         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1903         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1904         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1905         rotl<mode>3_and, setmem_long_and): New insns.
1906         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1907         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1908         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1909         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1910         of shift_count_operand.
1911         (setmem_long): Use shift_count_or_setmem_operand instead of
1912         setmem_operand.
1913
1914 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
1915             Andreas Tobler  <a.tobler@schweiz.ch>
1916
1917         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1918         tr expression.
1919
1920 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1921
1922         * expr.c (force_operand): Use convert_to_mode for conversions.
1923
1924 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1925
1926         * reload.h (reg_equiv_invariant): Declare.
1927         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1928         register also when reg_equiv_invariant[R] is set.
1929
1930 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1931             Andreas Tobler  <a.tobler@schweiz.ch>
1932
1933         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1934
1935 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
1936
1937         * tree-ssa-pre.c (bitmap_set_and): New function.
1938         (bitmap_set_and_compl): New function.
1939         (bitmap_set_empty_p): New function.
1940         (insert_extra_phis): New function.
1941         (compute_avail): Use insert_extra_phis.
1942
1943 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1944
1945         * config/s390/s390.c (s390_expand_atomic): New function.
1946         Adjust comment of helper functions.
1947         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1948         * config/s390/s390.md ("ATOMIC"): New code macro.
1949         ("atomic"): Corresponding new code attribute.
1950         ("sync_lock_test_and_set[hq]i", 
1951         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1952
1953 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1954
1955         * config/s390/s390.c (s390_expand_mask_and_shift, 
1956         struct alignment_context, init_alignment_context, 
1957         s390_expand_cs_hqi): New.
1958         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1959         * config/s390/s390.md ("sync_compare_and_swaphi",
1960         "sync_compare_and_swapqi"): New pattern.
1961
1962 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
1963
1964         Fix PR tree-optimization/25291
1965         * tree-ssa-operands.c (add_call_clobber_ops): Remove
1966         redundant and crashing check.
1967
1968 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
1969
1970         PR target/25212
1971         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1972         tests further when !strict && reload_in_progress.
1973         (print_operand): Check that both operands of indexed address are regs.
1974         (print_operand_address): Likewise.
1975         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1976         (INT_REG_OK_FOR_BASE_P): Correct.
1977
1978 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1979
1980         Preparation for PR rtl-optimization/20070 / part1
1981         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1982         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1983         outgoing_edges_match.
1984         (outgoing_edges_match): Use condjump_equiv_p.
1985         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1986         into..
1987         * struct-equiv.c: New file.
1988         (death_notes_match_p) New function, broken out of insns_match_p.
1989         * Makefile.in (OBJS-common): Add struct-equiv.o.
1990         (struct-equiv.o): New target.
1991
1992 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1993
1994         * coretypes.h: Revert previous change.
1995         * config/darwin.h: Revert previous reversion.
1996         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1997
1998 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1999
2000         * coretypes.h (section): Provide dummy definition for target files.
2001         * config/darwin.h: Revert previous change.
2002
2003 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
2004
2005         * doc/sourcebuild.texi (all.build, install-normal): Remove.
2006         * configure.ac: Remove all.build and install-normal from target_list
2007         * configure: Regenerate.
2008         * Makefile.in (install): Don't depend on install-normal.
2009
2010 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
2011
2012         * Makefile.in: Document the use of stamps.
2013
2014 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
2015
2016         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
2017         * Makefile.in: Add code to compute some dependencies on s-gtype
2018         automatically.  Remove the declaration of those dependencies.
2019
2020 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
2021
2022         * gcc/reload.c (push_secondary_reload): Fix typo:
2023         s/insn_constraint/scratch_constraint/.
2024
2025 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
2026
2027         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
2028
2029 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
2030
2031         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
2032         (alpha_elf_select_rtx_section): Return the selected section rather
2033         than emitting assembly code.
2034         (alpha_write_linkage): Emit a ".link" directive directly and then
2035         set in_section to NULL.
2036         (vms_asm_out_constructor): Use switch_to_section.
2037         (vms_asm_out_destructor): Likewise.
2038         (unicosmk_output_common): Set in_section to NULL instead of calling
2039         the dummy common_section function.
2040         (unicosmk_text_section): Delete in favor of...
2041         (unicosmk_output_text_section_asm_op): ...this new function.
2042         (unicosmk_data_section): Delete in favor of...
2043         (unicosmk_output_data_section_asm_op): ...this new function.
2044         (unicosmk_init_sections): New function.
2045         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
2046         (unicosmk_output_ssib): Set in_section to NULL instead of calling
2047         the dummy ssib_section function.
2048         (unicosmk_section_buf): Delete.
2049         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
2050         (unicosmk_data_section): Delete.
2051         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2052         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
2053         (SECTION_FUNCTION_TEMPLATE): Delete.
2054         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
2055         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2056         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
2057         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2058         (TARGET_ASM_INIT_SECTIONS): Define.
2059         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
2060         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2061         (link_section, literals_section): Delete.
2062         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
2063         set in_section to NULL.
2064
2065         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
2066         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
2067         (COMMON_SECTION): Delete.
2068         (TARGET_ASM_INIT_SECTIONS): Define.
2069         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
2070         the dummy common_section function.
2071         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2072         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
2073         between readonly_data_section and text_section to check whether
2074         read-only data is being put in the text section.
2075         (arm_output_function_epilogue): Use switch_to_section.
2076         (arm_elf_asm_constructor): Likewise.
2077         (thumb_call_via_reg): Replace call to in_text_section with
2078         a comparison between in_section and text_section.
2079         (arm_file_end): Use switch_to_section.
2080         (aof_text_section): Delete in favor of...
2081         (aof_output_text_section_asm_op): ...this new function.
2082         (aof_data_section): Delete in favor of...
2083         (aof_output_data_section_asm_op): ...this new function.
2084         (aof_asm_init_sections): New function.
2085         (zero_init_section): Moved from config/arm/aof.h.
2086         (aof_dump_imports, aof_file_start): Use switch_to_section.
2087         * config/arm/arm.h (thumb_call_via_label): Update comment.
2088         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
2089         (common_section): Delete.
2090         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2091         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2092         global switch_to_section function instead of the old port-local one.
2093         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
2094         (SWITCH_TO_SECTION_FUNCTION): Delete.
2095         (drectve_section): Redefine as a macro.
2096         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
2097         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
2098         switch_to_section.
2099
2100         * config/avr/avr.c (progmem_section): New variable.
2101         (avr_output_progmem_section_asm_op): New function.
2102         (avr_asm_init_sections): New function.
2103         (avr_output_addr_vec_elt): Use switch_to_section.
2104         * config/avr/avr.h (progmem_section): Declare.
2105         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2106         (READONLY_DATA_SECTION): Delete.
2107         (TARGET_ASM_INIT_SECTIONS): Define.
2108         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
2109         * config/avr/avr-protos.h (progmem_section): Delete.
2110
2111         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2112
2113         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2114         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
2115
2116         * config/darwin-sections.def: New file.
2117         * config/darwin.c: Define all sections in darwin-sections.def.
2118         (output_objc_section_asm_op, darwin_init_sections): New functions.
2119         (machopic_output_indirection): Use switch_to_section.
2120         (machopic_select_section): Return the selected section rather than
2121         emitting assembly code.  Replace the static function table with
2122         inline conditional expressions.  Update the tests of last_text_section
2123         and move them into the FUNCTION_DECL block.
2124         (machopic_select_rtx_section): Return the selected section rather than
2125         emitting assembly code.
2126         (machopic_asm_out_constructor, machopic_asm_out_destructor)
2127         (darwin_file_end): Use switch_to_section.
2128         * config/darwin.h: Use darwin-sections.def to declare sections.
2129         (INIT_SECTION_ASM_OP): Remove empty definition.
2130         (HAS_INIT_SECTION): Define this instead.
2131         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2132         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
2133         (TARGET_ASM_EH_FRAME_SECTION): Delete.
2134         (TARGET_ASM_INIT_SECTIONS): Define.
2135         * config/darwin-protos.h (darwin_init_sections): Declare.
2136         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
2137         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
2138         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
2139         (constructor_section, destructor_section, mod_init_section): Delete.
2140         (mod_term_section): Delete.
2141         (darwin_exception_section, darwin_eh_frame_section): Delete.
2142         (machopic_select_section): Return a section.
2143         (machopic_select_rtx_section): Likewise.
2144         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
2145         (const_section, const_coal_section, const_data_section): Delete.
2146         (const_data_coal_section, data_coal_section, cstring_section): Delete.
2147         (literal4_section, literal8_section, constructor_section): Delete.
2148         (mod_init_section, mod_term_section, destructor_section): Delete.
2149         (objc_class_section, objc_meta_class_section, objc_category_section)
2150         (objc_class_vars_section, objc_instance_vars_section): Delete.
2151         (objc_cls_meth_section, objc_inst_meth_section): Delete.
2152         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
2153         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
2154         (objc_symbols_section, objc_module_info_section): Delete.
2155         (objc_image_info_section, objc_protocol_section): Delete.
2156         (objc_string_object_section, objc_constant_string_object_section)
2157         (objc_class_names_section, objc_meth_var_names_section): Delete.
2158         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
2159         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
2160         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
2161         (darwin_exception_section, darwin_eh_frame_section): Delete.
2162         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
2163
2164         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
2165         (frv_asm_out_destructor): Likewise.
2166         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2167         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
2168         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
2169         get_named_section.
2170         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
2171         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
2172         (data_section): Delete.
2173
2174         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2175         (DRECTVE_SECTION_FUNCTION): Delete.
2176         (drectve_section): Redefine as a macro that sets in_section after
2177         emitting the directive.
2178         (SWITCH_TO_SECTION_FUNCTION): Delete.
2179         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
2180         in_text_section with comparison between in_section and text_section.
2181         * config/i386/i386.c (x86_64_elf_select_section): Return the section
2182         rather than emitting assembly code.  Use get_named_section.
2183         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
2184         get_named_section.
2185         (machopic_output_stub): Use switch_to_section.
2186         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
2187         (nwld_named_section_asm_out_destructor): Use get_section and
2188         switch_to_section.
2189
2190         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
2191         rather than emitting assembly code.
2192         (ia64_rwreloc_select_section): Likewise.
2193         (ia64_rwreloc_select_rtx_section): Likewise.
2194         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
2195         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
2196         switch_to_section.
2197         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2198         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
2199
2200         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
2201         section rather than emitting assembly code.
2202         (iq2000_select_section): Likewise.
2203         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
2204         (sbss_section): Delete.
2205
2206         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
2207         and get_named_section.
2208         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
2209
2210         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
2211         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
2212         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
2213         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
2214         in_section to NULL.
2215         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2216         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2217         global switch_to_section function instead of the old port-local one.
2218         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2219         (SWITCH_SECTION_FUNCTION): Delete.
2220         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
2221         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
2222         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
2223         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
2224         in_section to NULL.
2225         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2226         global switch_to_section function instead of the old port-local one.
2227         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2228
2229         * config/mips/mips.c (mips_file_start): Update comment.
2230         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
2231         (mips_output_aligned_decl_common): Use switch_to_section.
2232         (mips_select_rtx_section): Return the section rather than emitting
2233         assembly code.  Use get_named_section.
2234         (mips_function_rodata_section: Likewise get_section.
2235         (build_mips16_function_stub): Use switch_to_section.
2236         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
2237         (SDATA_SECTION_ASM_OP): Delete.
2238         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
2239         (EXTRA_SECTION_FUNCTIONS): Delete.
2240
2241         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
2242         (mmix_asm_output_aligned_local): Use switch_to_section.
2243
2244         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
2245         (som_one_only_readonly_data_section): New variables.
2246         (pa_output_function_epilogue): Set in_section to NULL instead of
2247         calling forget_section.
2248         (output_deferred_plabels): Use select_section.
2249         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
2250         of calling forget_section.
2251         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
2252         (pa_asm_output_aligned_local): Use select_section.
2253         (som_text_section_asm_op): Delete in favor of...
2254         (som_output_text_section_asm_op): ...this new function.
2255         (pa_som_asm_init_sections): New function.
2256         (pa_select_section): Return the section rather than emitting
2257         assembly code.
2258         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2259         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
2260         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
2261         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
2262         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
2263         (som_readonly_data_section, som_one_only_readonly_data_section)
2264         (som_one_only_data_section, forget_section): Delete.
2265         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
2266         (TARGET_ASM_INIT_SECTIONS): Define.
2267         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
2268
2269         * config/rs6000/rs6000.c (read_only_data_section): New variable.
2270         (private_data_section, read_only_private_data_section): New variables.
2271         (sdata2_section, toc_section): New variables.
2272         (rs6000_file_start): Use switch_to_section.
2273         (rs6000_assemble_integer): Use comparisons against in_section
2274         instead of calling in_toc_section and in_text_section.  Use
2275         unlikely_text_section_p.
2276         (rs6000_elf_output_toc_section_asm_op): New function, derived
2277         from the old rs6000/sysv4.h toc_section function.
2278         (rs6000_elf_asm_init_sections): New function.
2279         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
2280         the section rather than emitting assembly code.
2281         (machopic_output_stub): Use switch_to_section.
2282         (toc_section): Delete dummy function.
2283         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
2284         switch_to_section and get_section.
2285         (rs6000_xcoff_output_readonly_section_asm_op): New function.
2286         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
2287         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
2288         the old rs6000/xcoff.h toc_section function.
2289         (rs6000_xcoff_asm_init_sections): New function.
2290         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
2291         the section rather than emitting assembly code.
2292         (rs6000_xcoff_file_start): Use switch_to_section.
2293         (rs6000_xcoff_file_end): Likewise.
2294         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
2295         (sdata2_section, sbss_section, private_data_section): Delete.
2296         (read_only_data_section, read_only_private_data_section): Delete.
2297         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2298         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
2299         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
2300         (FINI_SECTION_FUNCTION): Delete.
2301         (TARGET_ASM_INIT_SECTIONS): Define.
2302         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2303         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2304         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
2305         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
2306         (READONLY_DATA_SECTION): Delete.
2307         (TARGET_ASM_INIT_SECTIONS): Define.
2308         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
2309         to NULL rather than no_section.
2310         (TARGET_ASM_EXCEPTION_SECTION): Delete.
2311
2312         * config/sh/sh.c (sh_file_start): Use switch_to_section.
2313
2314         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
2315         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
2316         from call to current_function_section.
2317
2318         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
2319         (bss100_section): New variable.
2320         (xstormy16_asm_output_aligned_common): Use switch_to_section.
2321         (xstormy16_asm_init_sections): New function.
2322         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
2323         switch_to_section and get_section.
2324         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
2325         from calls to current_function_section.
2326         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
2327         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
2328         (TARGET_ASM_INIT_SECTIONS): Define.
2329         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
2330
2331         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2332         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
2333         (FINI_SECTION_FUNCTION): Delete.
2334
2335         * config/v850/v850.c: Include gt-v850.h.
2336         (rosdata_section, rozdata_section, tdata_section, zdata_section)
2337         (zbss_section): New variables.
2338         (v850_output_aligned_bss): Use switch_to_section.
2339         (v850_asm_init_sections): New function.
2340         (v850_select_section): Return the section rather than emitting
2341         assembly code.
2342         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2343         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
2344         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
2345         (TARGET_ASM_INIT_SECTIONS): Define.
2346         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
2347         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
2348         (zbss_section): Delete.
2349
2350         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2351
2352         * config/vx-common.h (vxworks_exception_section): Delete.
2353         (TARGET_ASM_EXCEPTION_SECTION): Delete.
2354
2355         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
2356         section rather than emitting assembly code.
2357         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
2358         switch_to_section.
2359
2360         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
2361         * coretypes.h (section): New union and typedef.
2362         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
2363         from call to current_function_section.
2364         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
2365         (dbxout_symbol_location): Use switch_to_section.
2366         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
2367         most of the code into...
2368         (default_eh_frame_section): ...here.  Return a section.
2369         (collect2_eh_frame_section): Delete, moving most of the code into..
2370         (switch_to_eh_frame_section): ...this new function.
2371         (debug_info_section, debug_abbrev_section, debug_aranges_section)
2372         (debug_macinfo_section, debug_line_section, debug_loc_section)
2373         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
2374         variables.
2375         (output_call_frame_info): Call switch_to_eh_frame_section instead of
2376         eh_frame_section.  Use switch_to_section and get_section.
2377         (dwarf2out_begin_prologue): Use switch_to_section.
2378         (AT_string_form): Check the flags in debug_str_section instead of
2379         DEBUG_STR_SECTION_FLAGS.
2380         (output_comp_unit): Use switch_to_section, get_section, and
2381         debug_info_section.
2382         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
2383         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
2384         from call to current_function_section.
2385         (dwarf2out_var_location): Use unlikely_text_section_p.
2386         (dwarf2out_source_line): Use switch_to_section.  Remove argument
2387         from call to current_function_section.
2388         (dwarf2out_start_source_file, dwarf2out_end_source_file)
2389         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
2390         debug_macinfo_section.
2391         (dwarf2out_init): Initialize the new section variables.  Use them
2392         instead of calls to named_section_flags.  Use switch_to_section.
2393         (output_indirect_string): Use switch_to_section and debug_str_section.
2394         (dwarf2out_finish): Use switch_to_section and the new section
2395         variables.
2396         * except.c (default_exception_section): Return the section instead
2397         of emitting assembly code.
2398         (output_function_exception_table): Use the global exception_section
2399         variable instead of the target hook.  Use switch_to_section.  Remove
2400         argument from call to current_function_section.
2401         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
2402         (shorten_branches): Use pointer comparisons to detect whether the
2403         text section is the same as readonly_data_section.
2404         (profile_function): Use switch_to_section.  Remove argument from
2405         call to current_function_section.
2406         (final_scan_insn): Likewise.  Update use of last_text_section.
2407         * gengtype.c (open_base_files): Add an include of output.h.
2408         * output.h (text_section, data_section, readonly_data_section)
2409         (ctors_section, dtors_section, bss_section, init_section)
2410         (fini_section, sdata_section): Turn into section pointers.
2411         (in_text_section, in_unlikely_text_section, exports_section)
2412         (drectve_section, named_section, mergeable_string_section)
2413         (last_text_section_name): Delete.
2414         (default_exception_section, default_eh_frame_section): Return sections.
2415         (SECTION_DECLARED, SECTION_NAMED): New macros.
2416         (SECTION_MACH_DEP): Bump value.
2417         (section_common, named_section, unnamed_section): New structures.
2418         (unnamed_section_callback): New typedef.
2419         (section): New union.
2420         (sbss_section, exception_section, eh_frame_section): New variables.
2421         (in_section, last_text_section): Turn into section pointers.
2422         (get_unnamed_section, get_section, get_named_section): New functions.
2423         (mergeable_constant_section, function_section): Return a section.
2424         (unlikely_text_section): Likewise.
2425         (current_function_section): Likewise.  Remove the decl argument.
2426         (unlikely_text_section_p, switch_to_section): New functions.
2427         (output_section_asm_op): New function.
2428         (set_named_section_flags, named_section_flags, named_section_real)
2429         (named_section_first_declaration): Delete.
2430         (default_select_section, default_elf_select_section): Return a section.
2431         (default_elf_select_section_1, default_function_rodata_section)
2432         (default_no_function_rodata_section, default_select_rtx_section)
2433         (default_elf_select_rtx_section): Likewise.
2434         * rtl.h (in_data_section): Delete.
2435         * sdbout.c (sdbout_one_type): Use switch_to_section.
2436         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
2437         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
2438         (TARGET_ASM_EH_FRAME_SECTION): Poison.
2439         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
2440         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
2441         (TARGET_ASM_OUT): Update after above changes.
2442         * target.h (init_sections): New hook.
2443         (exception_section, eh_frame_section): Delete.
2444         (select_section, select_rtx_section, function_rodata_section): Return
2445         a section rather than emitting assembly code.
2446         * varasm.c (text_section, data_section, readonly_data_section)
2447         (ctors_section, dtors_section, bss_section, init_section)
2448         (fini_section): Turn into section pointers.
2449         (sdata_section, sbss_section, exception_section): New variables.
2450         (eh_frame_section): New variable.
2451         (in_section): Make global and turn into a section pointer.
2452         (last_text_section): Turn into a section pointer.
2453         (unnamed_sections): New variable.
2454         (in_named_name, last_text_section_name): Delete.
2455         (EXTRA_SECTION_FUNCTIONS): Delete.
2456         (in_named_entry): Delete.
2457         (section_htab): New variable, replacing...
2458         (in_named_htab): ...this deleted variable.
2459         (section_entry_eq, section_entry_hash): New functions, based on...
2460         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2461         (get_unnamed_section, get_section): New functions.
2462         (unlikely_text_section): Return a section instead of emitting
2463         assembly code.
2464         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
2465         (get_named_section_flags, named_section_first_declaration): Delete.
2466         (unlikely_text_section_p): New function.
2467         (named_section_real, named_section): Delete.
2468         (get_named_section): New function.
2469         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2470         (function_section): Return a section rather than emitting
2471         assembly code.
2472         (current_function_section): Likewise.  Remove argument.  Use
2473         last_text_section if nonnull, otherwise use function_section.
2474         (default_function_rodata_section): Return a section rather than
2475         emitting assembly code.  Use get_section.
2476         (default_no_function_rodata_section): Return a section rather than
2477         emitting assembly code.
2478         (variable_section): Use switch_to_section and get_named_section.
2479         (mergeable_string_section): Return a section rather than emitting
2480         assembly code.  Use get_section.  Make static.  Don't take special
2481         countermeasures for empty strings.
2482         (mergeable_constant_section): Return a section rather than emitting
2483         assembly code.  Use get_section.
2484         (default_named_section_asm_out_destructor): Use switch_to_section
2485         and get_section.
2486         (default_dtor_section_asm_out_destructor): Use switch_to_section.
2487         (default_named_section_asm_out_constructor): Use switch_to_section
2488         and get_section.
2489         (default_ctor_section_asm_out_constructor): Use switch_to_section.
2490         (assemble_start_function): Likewise.  Set last_text_section to
2491         NULL rather than no_section.  Change the type of save_section.
2492         (assemble_zeros, assemble_variable): Use the section flags to detect
2493         whether or not a section is text.
2494         (assemble_static_space): Use switch_to_section.
2495         (assemble_trampoline_template): Likewise.
2496         (output_constant_def_contents): Use switch_to_section and
2497         get_named_section.
2498         (output_constant_pool_1): Use switch_to_section.  Use the section
2499         flags to see whether sections contain mergeable data.
2500         (init_varasm_once): Initialize section_htab instead of in_named_htab.
2501         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
2502         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2503         whether a section has already been declared.
2504         (default_select_section, default_elf_select_section): Return a
2505         section rather than emitting assembly code.
2506         (default_elf_select_section_1): Likewise.  Use bss_section for
2507         SECCAT_BSS if nonnull.  Use get_named_section.
2508         (default_select_rtx_section): Return a section rather than
2509         emitting assembly code.
2510         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
2511         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2512         (output_section_asm_op, switch_to_section): New functions.
2513         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2514         get_named_section.
2515
2516         * doc/tm.texi: Expand the introduction to the sections documentation.
2517         (TRAMPOLINE_SECTION): Document new interface.
2518         (SDATA_SECTION_ASM_OP): Document new macro.
2519         (READONLY_DATA_SECTION): Delete.
2520         (SDATA_SECTION_ASM_OP): Document new macro.
2521         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2522         (TARGET_ASM_INIT_SECTIONS): Document new hook.
2523         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2524         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2525         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2526
2527 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
2528
2529         * gcc.c (init_gcc_specs): Match braces inside conditionally
2530         compiled strings.
2531
2532 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
2533
2534         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2535
2536 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
2537
2538         PR C++/24138
2539         * tree.c (integer_all_onesp): Always return true if all bits on.
2540
2541         * testsuite/g++.dg/init/array0.C: New.
2542
2543 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
2544
2545         * doc/md.texi: Adapt to implementation.
2546
2547 2005-12-06  Andreas Schwab  <schwab@suse.de>
2548
2549         * opts.c (decode_options): Fix typo in message.
2550
2551 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
2552
2553         PR other/13873
2554         * longlong.h: Merge PPC tests from upstream.
2555
2556 2005-12-06  Richard Guenther  <rguenther@suse.de>
2557
2558         * fold-const.c (fold_convert): Do not build and fold
2559         CONVERT_EXPR, but always use NOP_EXPR.
2560
2561 2005-12-06  Jan Beulich  <jbeulich@novell.com>
2562
2563         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2564         __builtin_ia32_paddq and __builtin_ia32_psubq.
2565         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2566         __builtin_ia32_pshufw.
2567         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2568
2569 2005-12-05  James E Wilson  <wilson@specifix.com>
2570
2571         PR target/24934
2572         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2573         is set.
2574
2575 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
2576         
2577         * print-tree.c (print_node): Ditto.
2578         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2579         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2580         before accessing DECL_ARTIFICIAL. 
2581         Handle new tag tree codes.
2582         * tree-flow-inline.h (clear_call_clobbered): Update for tag
2583         changes.
2584         (unmodifiable_var_p): Ditto.
2585         * tree-flow.h (mem_tag_kind): Remove.
2586         (struct var_ann_d): Remove mem_tag_kind member.
2587         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2588         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2589         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2590         (group_aliases): Ditto.
2591         (setup_pointers_and_addressables): Ditto.
2592         (is_escape_site): Ditto.                                          
2593         (may_alias_p): Ditto.
2594         (create_tag_raw): New function.
2595         (create_memory_tag): Use it.
2596         (dump_alias_info): Update for tags.
2597         (may_be_aliased): Ditto.
2598         (add_type_alias): Ditto.
2599         (new_type_alias): Ditto.
2600         (create_sft): Ditto.
2601         (create_structure_vars): Ditto.
2602         * tree-ssa-ccp.c (get_default_value): Ditto.
2603         * tree-ssa-operands.c (get_expr_operands): Ditto.
2604         (add_stmt_operand): Ditto.
2605         (add_call_clobber_ops): Remove duplicated condition.
2606         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2607         tags.
2608         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2609         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2610         * tree.c (init_ttree): Update structures for new tree codes.
2611         (tree_code_size): Update sizes for new tree codes.
2612         (make_node_stat): Don't try to set common things on minimal
2613         structures.
2614         (tree_node_structure): Update for tags.
2615         (is_global_var): Ditto.
2616         * tree.def: Add new tree codes.
2617         * tree.h (MTAG_P): New macro.
2618         (TREE_MEMORY_TAG_CHECK): Ditto.
2619         (SSA_VAR_P): Update for tags.
2620         (struct tree_memory_tag): New structure.
2621         (MTAG_GLOBAL): New macro.
2622         (union tree_node): Add memory tag member.
2623         * treestruct.def (TS_MEMORY_TAG): New.
2624         
2625 2005-12-05  Dale Johannesen  <dalej@apple.com>
2626
2627         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
2628         what was approved (PR 24323).
2629
2630 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2631
2632         * doc/c-tree.texi (Function Bodies): Remove description of
2633         RETURN_INIT.
2634
2635 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
2636
2637         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2638         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2639         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2640         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2641         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2642         __divxc3): Document.
2643
2644 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
2645
2646         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2647         previous behaviour.
2648         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2649         hook_bool_void_false.
2650         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2651         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2652
2653         * config/darwin.c (machopic_select_section): It's not defined
2654         as weak if it's only marked as weak_import.
2655         
2656         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2657         Prototype.
2658
2659         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2660         A hidden weak object does bind locally.  Strong linkonce data
2661         counts like any other strong symbol for binding.
2662         (weak_finish_1): Don't specially handle weakrefs, they no longer
2663         arrive here.
2664         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2665         * c-common.c (handle_alias_attribute): Allow static aliases
2666         of variables.
2667         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2668         * gthr-dce.h: Make weakrefs static.
2669         * gthr-tpf.h: Likewise.
2670         * gthr-solaris.h: Likewise.
2671         * gthr-posix.h: Likewise.
2672         * gthr-posix95.h: Likewise.
2673         * config/darwin.c (darwin_encode_section_info): static weakref
2674         variables are not necessarily defined in this translation unit.
2675         * doc/extend.texi (Function Attributes): Mention that an alias
2676         attribute creates a definition for the thing it's attached to.
2677         Change the documentation for weakref to say that the thing
2678         it's attached to must be static.
2679
2680         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2681         we don't go into an infinite loop.
2682
2683 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
2684
2685         * config/rs6000/predicates.md (logical_const_operand): Split
2686         out of logical_operand.
2687         (logical_operand): Use it.
2688         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2689         logical_const_operand.
2690
2691 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2692
2693         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2694         and IX86_BUILTIN_CMPNESS.
2695         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2696         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2697         * config/i386/i386.md (movti_internal): Correct type attribute.
2698         Simplify mode attribute.
2699         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2700         Correct type attribute.
2701         (absxf2): Correct operator.
2702         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2703         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2704         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2705         mode attribute.
2706         (sse2_vmsqrtv2df2): Correct mode attribute.
2707
2708 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2709
2710         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2711         16 bits. Provide insn pattern for this case.
2712
2713 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2714
2715         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2716         result.
2717         (__popcountDI2): Likewise.
2718
2719 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2720
2721         PR target/25166
2722         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2723         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2724         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2725         functions.
2726
2727 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2728
2729         * c-typeck.c (null_pointer_constant_p): New function.
2730         (build_conditional_expr, build_c_cast, convert_for_assignment,
2731         build_binary_op): Use it.
2732
2733 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2734
2735         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2736         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2737         CONVERT_EXPR.
2738         (check_function_arguments_recurse): Allow both NOP_EXPR and
2739         CONVERT_EXPR but check conversions preserve precision.
2740         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2741         but check conversions preserve precision.
2742         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
2743         default case.
2744
2745 2005-12-04  Roger Sayle  <roger@eyesopen.com>
2746
2747         PR c/7776
2748         * common.opt (Wstring-literal-comparison): New command line option.
2749         * c-opts.c (c_common_handle_option): Set it with -Wall.
2750         * c-typeck.c (parser_build_binary_op): Issue warning if either
2751         operand of a comparison operator is a string literal, except for
2752         testing equality or inequality against NULL.
2753
2754         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2755
2756 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2757
2758         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2759         of building a NOP_EXPR.
2760         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
2761         NOP_EXPR.
2762         * c-convert.c (convert): Use fold_convert instead of building
2763         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
2764         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
2765         #if 0 code.
2766         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2767         NOP_EXPR the same as CONVERT_EXPR.
2768         * c-typeck.c (build_function_call): Use fold_convert instead of
2769         building a NOP_EXPR directly.
2770         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2771
2772 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2773
2774         PR rtl-optimization/25197
2775         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2776         have a reg.
2777
2778 2005-12-02  Stuart Hastings  <stuart@apple.com>
2779
2780         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2781         warning.
2782
2783 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2784
2785         * c-typeck.c (default_function_array_conversion,
2786         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2787         (build_conditional_expr): Apply integer_zerop to orig_op1 and
2788         orig_op2.  Don't check them for NOP_EXPR.
2789         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2790         around integer zero.
2791
2792 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2793
2794         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2795         toc_save_offset, toc_size, lr_size.
2796         (rs6000_stack_info): Use memset rather than bss struct copy to init.
2797         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2798         Adjust for removal of unused rs6000_stack_t fields.
2799         (debug_stack_info): Adjust.
2800         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
2801         first, and don't bother checking for set/inc of lr on sibcalls.
2802         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2803
2804 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
2805
2806         PR target/25199
2807         * config/i386/i386.md (movqi_1): Only force imovx for alternative
2808         5 if operand 1 is not aligned.  Undo previous constraint change.
2809         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2810
2811 2005-12-02  Richard Guenther  <rguenther@suse.de>
2812
2813         * tree.h (build): Remove prototype.
2814         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2815         * tree.c (build): Remove.
2816         (build0_stat): Update comment.
2817
2818 2005-12-02  Richard Guenther  <rguenther@suse.de>
2819
2820         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2821         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2822         Likewise.
2823         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2824         maybe_fold_offset_to_component_ref): Likewise.
2825         * tree-ssa-dom.c (thread_across_edge,
2826         simplify_rhs_and_lookup_avail_expr,
2827         find_equivalent_equality_comparison, record_equivalences_from_stmt):
2828         Likewise.
2829         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2830         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2831         lower_try_finally_switch): Likewise.
2832         * tree-if-conv.c (add_to_dst_predicate_list,
2833         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2834         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2835         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2836         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2837         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2838         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2839         gimplify_init_ctor_eval, gimplify_init_constructor,
2840         gimplify_variable_sized_compare, gimplify_boolean_expr,
2841         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2842         gimplify_expr, gimplify_body, gimplify_function_tree,
2843         force_gimple_operand): Likewise.
2844         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2845         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2846         mx_register_decls): Likewise.
2847         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2848         get_frame_field, finalize_nesting_tree_1): Likewise.
2849         * tree-inline.c (setup_one_parameter): Likewise.
2850         * tree-vect-transform.c (vectorizable_condition): Likewise.
2851         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2852         Likewise.
2853         * tree-profile.c (tree_gen_edge_profiler): Likewise.
2854         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2855         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2856         * tree-chrec.h (build_polynomial_chrec): Likewise.
2857
2858 2005-12-02  Richard Guenther  <rguenther@suse.de>
2859
2860         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2861         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2862         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2863         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2864         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2865         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2866         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2867         Likewise.
2868         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2869         sh_adjust_unroll_max): Likewise.
2870         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2871         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2872         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2873         Likewise.
2874         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2875         Likewise.
2876         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2877         Likewise.
2878
2879 2005-12-02  Richard Guenther  <rguenther@suse.de>
2880
2881         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2882         simplify_cond_using_ranges): Use buildN instead of build.
2883         * tree-tailcall.c (adjust_accumulator_values,
2884         adjust_return_value): Likewise.
2885         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2886         generate_element_copy, generate_element_zero,
2887         generate_one_element_init): Likewise.
2888         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2889         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2890         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2891         perfect_nestify): Likewise.
2892
2893 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2894
2895         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2896
2897 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2898
2899         * ggc.h (GGC_RESIZEVEC): New.
2900
2901 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2902
2903         * gcc.c (execute): Improve readability.
2904
2905 2005-12-02  Richard Guenther  <rguenther@suse.de>
2906
2907         * tree-cfg.c (mark_used_vars): New function.
2908         (dump_function_to_file): Dump only used VAR_DECLs.
2909
2910 2005-12-02  Richard Guenther  <rguenther@suse.de>
2911
2912         * convert.c (convert_to_integer): Fix compare for nonpositive
2913         constant to use tree_int_cst_sgn <= 0.
2914
2915 2005-12-02  Richard Guenther  <rguenther@suse.de>
2916
2917         * convert.c (convert_to_integer): Use fold_convert instead
2918         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
2919         instead of comparing against 0.  Use build_int_cst instead
2920         of converting integer_zero_node.
2921
2922 2005-12-02  Richard Guenther  <rguenther@suse.de>
2923
2924         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2925         and RROTATE_EXPR.
2926  
2927 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2928
2929         PR target/21017
2930         * combine.c (simplify_logical <IOR>): Simplify more patterns to
2931         rotates.
2932
2933 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2934
2935         PR middle-end/25176
2936         * function.c (expand_function_end): Emit blockage for unwinder
2937         after return label.
2938
2939 2005-12-01  Roger Sayle  <roger@eyesopen.com>
2940
2941         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2942         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2943         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2944         integer constant comparisons.
2945
2946 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
2947             Janis Johnson  <janis187@us.ibm.com>
2948             David Edelsohn  <dje@watson.ibm.com>
2949             Ben Elliston  <bje@au.ibm.com>
2950
2951         * dfp.h, dfp.c: New files.
2952         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2953         (DECNUM_H): Likewise.
2954         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2955         (INCLUDES): Append $(DECNUMINC).
2956         (OBJS-common): Add dfp.o.
2957         (dfp.o): New rule.
2958         * real.h (EXP_BITS): Pinch one bit to ..
2959         (struct real_value): Add decimal field.
2960         (real_format): Change table size, update documentation.
2961         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2962         (real_from_string3): Declare.
2963         (decimal_single_format): Declare.
2964         (decimal_double_format): Declare.
2965         (decimal_quad_format): Declare.
2966         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2967         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2968         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2969         * real.c: Include dfp.h.
2970         (normalize): Early return for decimal floats.
2971         (do_add): Zero decimal field.
2972         (do_compare): Call do_decimal_compare for decimal floats.
2973         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2974         (real_arithmetic): Call decimal_real_arithmetic for decimal
2975         floating point operands.
2976         (real_identical): If a and b are of differing radix, return false.
2977         (real_to_integer): Call decimal_real_to_integer if the value is a
2978         decimal float.
2979         (real_to_integer2): Likewise, call decimal_real_to_integer2.
2980         (real_to_decimal): Likewise, call decimal_real_to_decimal.
2981         (real_to_hexadecimal): Place "N/A" in the return string for
2982         decimal float.
2983         (real_from_string3): New variant, given a mode.
2984         (real_maxval): Use decimal_real_maxval for decimal floats.
2985         (round_for_format): Use decimal_round_for_format for decimals.
2986         (real_convert): Use decimal_real_convert where appropriate.
2987         (significand_size): Handle base 10.
2988         (encode_decimal_single, decode_decimal_single,
2989         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2990         decode_decimal_quad): New functions.
2991         (decimal_single_format): New.
2992         (decimal_double_format): New.
2993         (decimal_quad_format): New.
2994         * machmode.def: Add SD, DD and TD decimal floating point modes.
2995         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2996         Include MODE_DECIMAL_FLOAT.
2997         (DECIMAL_FLOAT_MODE_P): New.
2998         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2999         * genmodes.c (struct mode_data): Add counter field.
3000         (struct mode_data): Update comment for format.
3001         (blank_mode): Initialise counter field.
3002         (new_mode): Increment counter field for each mode defined.
3003         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
3004         using a format.
3005         (make_complex_modes): Handle modes containing `D'.
3006         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
3007         (make_decimal_float_mode): New.
3008         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
3009         (cmp_modes): Compare counter field if other characteristics
3010         similar.
3011         (emit_real_format_for_mode): Support formats for decimal floats.
3012         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
3013         Document MODE_DECIMAL_FLOAT.
3014
3015 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
3016
3017         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
3018         Delete dead code.
3019
3020 2005-12-01  Richard Henderson  <rth@redhat.com>
3021
3022         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
3023
3024 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3025
3026         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
3027
3028         * config/pa/pa.c (pa_init_builtins): If we detect
3029         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
3030         putc_unlocked.
3031
3032 2005-12-01  Richard Guenther  <rguenther@suse.de>
3033
3034         * fold-const.c (fold_binary): Use fold_build2, not
3035         fold (build (...)).
3036
3037 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
3038
3039         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
3040
3041         * vec.h (VEC_block_remove): New.
3042
3043 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3044
3045         PR c/13384
3046         * c-common.c (lvalue_error): Fix wording.
3047
3048 2005-12-01  Richard Guenther  <rguenther@suse.de>
3049
3050         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
3051         thinko in last patch.
3052
3053 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
3054
3055         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
3056         than -flat_namespace.
3057
3058 2005-12-01  Ben Elliston  <bje@au.ibm.com>
3059
3060         * mklibgcc.in: Parameterise the script to build soft float
3061         functions by iterating over each type, rather than cloning the
3062         code for each type.
3063
3064 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3065
3066         PR middle-end/25158
3067         * builtins.c (fold_builtin_fputs): Defer check for missing
3068         replacement functions.
3069
3070 2005-11-30  Kean Johnston  <jkj@sco.com>
3071
3072         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
3073         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
3074
3075 2005-11-30  Richard Guenther  <rguenther@suse.de>
3076
3077         PR tree-optimization/22501
3078         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
3079         function split out from ...
3080         (forward_propagate_addr_expr): ... here.  Use it to propagate
3081         ADDR_EXPRs to all uses.
3082
3083 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3084
3085         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
3086         * builtins.c (expand_builtin_mathfn): Use them.
3087         (expand_builtin_mathfn_2): Likewise.
3088         (expand_builtin_mathfn_3): Likewise.
3089         (expand_builtin_int_roundingfn): Likewise.
3090         (expand_builtin): Likewise.
3091         (integer_valued_real_p): Likewise.
3092         (fold_builtin_int_roundingfn): Likewise.
3093         (fold_builtin_bitop): Likewise.
3094         (fold_builtin_logarithm): Likewise.
3095         (fold_builtin_1): Likewise.
3096         * convert.c (convert_to_integer): Likewise.
3097         * fold-const.c (negate_mathfn_p): Likewise.
3098         (tree_expr_nonnegative_p): Likewise.
3099
3100 2005-11-30  Dale Johannesen  <dalej@apple.com>
3101             Andrew Pinski  <pinskia@physics.uc.edu>
3102
3103         * combine.c (find_split_point):  Sign extend bitmask
3104         when changing bitfield assignment to IOR of AND.
3105
3106 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
3107
3108         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
3109         clobber to scratch reg.
3110         (*decrement_and_branch_until_zero_no_clobber): Remove.
3111         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
3112         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
3113         * config/ms1/ms1.opt (mmul): Remove.
3114         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
3115         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
3116
3117 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3118             Bernd Schmidt  <bernd.schmidt@analog.com>
3119
3120         * pa/predicates.md (symbolic_operand): Add comment.
3121         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
3122         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
3123         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
3124         (pa_secondary_reload_class): Delete.
3125         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
3126         and pa_secondary_reload_class.  Reorder some checks.  Update inline
3127         copy of symbolic operand.
3128         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
3129
3130 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
3131
3132         * loop-doloop.c (add_test): Only add jump notes if we did emit a
3133         jump.
3134
3135 2005-11-30  Jeff Law  <law@redhat.com>
3136
3137         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
3138         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
3139
3140 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
3141
3142         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
3143         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
3144         (ia64_expand_move): Adjust caller.
3145
3146         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
3147         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
3148         negate VAL.
3149
3150 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
3151
3152         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
3153         Always produce an output if we can remove NEGs or canonicalize
3154         (minus (minus ...)) expressions.  Provide a fast path for the
3155         two-operand case.
3156         (simplify_gen_binary): Do not call simplify_plus_minus.
3157         (simplify_binary_operation_1): Reassociate at the end of the
3158         function.
3159
3160 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
3161
3162         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
3163         moves and unpack to speed up.
3164
3165 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
3166
3167         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
3168         argument, they are always sparc_compare_op0 and sparc_compare_op1.
3169         (gen_v9_scc): Update callers.
3170         * config/sparc/sparc.md: Likewise.
3171         * config/sparc/sparc-protos.h: Update extern declaration.
3172
3173         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
3174
3175 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
3176
3177         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
3178         the if.
3179
3180 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
3181
3182         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
3183         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
3184         (negate_expr): Here.
3185
3186 2005-11-29  Ben Elliston  <bje@au.ibm.com>
3187
3188         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
3189         Fix typo in comment.
3190
3191 2005-11-29  Ben Elliston  <bje@au.ibm.com>
3192
3193         * Makefile.in (clean-target): Depend on clean-target-libgcc.
3194         (clean-target-libgcc): Import rule from the top-level Makefile.in.
3195
3196 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3197
3198         PR middle-end/20109
3199         PR middle-end/25120
3200         * builtins.c (init_target_chars): New.
3201         (expand_builtin_printf, expand_builtin_fprintf,
3202         expand_builtin_sprintf, fold_builtin_sprintf,
3203         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3204         fold_builtin_snprintf_chk, fold_builtin_printf,
3205         fold_builtin_fprintf): Check for matching format strings using
3206         the target charset.
3207
3208 2005-11-29  Paul Brook  <paul@codesourcery.com>
3209
3210         * config.gcc: Do not use fixproto on m68k-elf.
3211
3212 2005-11-28  Roger Sayle  <roger@eyesopen.com>
3213
3214         * expmed.c (div_cost): Replace with...
3215         (sdiv_cost, udiv_cost): New.
3216         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
3217         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
3218         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
3219         (expand_divmod): Replace use of div_cost with either sdiv_cost
3220         or udiv_cost depending upon the signedness of the operation.
3221
3222 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
3223
3224         PR libfortran/24991
3225         * config/darwin.c (machopic_indirection_name,
3226         machopic_output_indirection): Follow transparent alias chain.
3227
3228 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
3229
3230         * varasm.c (ultimate_transparent_alias_target): Add comment.
3231
3232 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
3233
3234         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
3235         SET_SRC instead of XEXP where appropriate.
3236
3237 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
3238
3239         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
3240         __builtin_expect.
3241
3242 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
3243
3244         * config/fp-bit.h (LSHIFT): Take shift count parameter.
3245         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
3246         bit at a time.
3247
3248 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3249
3250         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
3251         secondary_input_reload_class, made static.  Adapt to new
3252         infrastructure.
3253         (secondary_output_reload_class): Delete.
3254         (TARGET_SECONDARY_RELOAD): New macro.
3255         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
3256         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
3257
3258 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
3259
3260         PR c++/21166
3261         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
3262         when its natural alignment is > BITS_PER_UNIT.
3263         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
3264         * c-common.c (handle_packed_attribute): Ignore packing on a field
3265         whose type is naturally char aligned.
3266
3267 2005-11-28  Richard Guenther  <rguenther@suse.de>
3268
3269         * c-common.c (strict_aliasing_warning): Handle all
3270         component-ref like accesses.
3271
3272 2005-11-28  Roger Sayle  <roger@eyesopen.com>
3273             Uros Bizjak  <uros@kss-loka.si>
3274
3275         PR middle-end/20219
3276         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
3277         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
3278         when flag_unsafe_math_optimizations is set and
3279         we don't care about NaNs or Infinities.
3280
3281         Move x/expN(y) and x/pow(y,z) transformation into common
3282         flag_unsafe_math_optimizations section.
3283
3284 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
3285
3286         * gcc.c (main): Change type of argv to "char **".
3287
3288 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
3289
3290         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
3291         small data sections.
3292         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
3293         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
3294         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
3295         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
3296         output locals to sbss if !rs6000_elf_in_small_data_p.
3297         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
3298
3299 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
3300
3301         PR target/24997
3302         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
3303         generated by reload.
3304         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
3305         indexed_or_indirect_address.
3306         (indexed_or_indirect_address): Don't test for base reg.  Call
3307         address_operand last.  Make it a special predicate.
3308
3309 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
3310
3311         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
3312
3313 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
3314
3315         PR middle-end/24575
3316         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
3317         is undefined.
3318         (negate_expr): Likewise.
3319
3320 2005-11-27  Andreas Schwab  <schwab@suse.de>
3321
3322         * config/m68k/m68k.c: Reindent and fix whitespace, remove
3323         redundant parens.
3324
3325 2005-11-27  Steven Bosscher  <stevenb@suse.de>
3326
3327         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
3328         has EH predecessor edges.
3329
3330 2005-11-26  Eric Christopher  <echristo@apple.com>
3331
3332         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
3333         register stalls by zero extending to the full register.
3334
3335 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
3336
3337         * config/floatunsisf.c, config/floatunsidf.c,
3338         config/floatunsixf.c, config/floatunsitf.c: New files.
3339         * config/ia64/t-hpux: Add floatunsitf.c.
3340         * config/ia64/ia64.c (ia64_init_libfuncs): Use
3341         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
3342
3343 2005-11-26  Richard Henderson  <rth@redhat.com>
3344
3345         * c-lex.c (pragma_lex): Rename from c_lex.
3346         * c-pch.c: Update for pragma_lex rename.
3347         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
3348         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
3349         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
3350         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
3351         * doc/tm.texi: Likewise.
3352
3353 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
3354
3355         PR middle-end/23669
3356         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
3357         when overflow is undefined.
3358
3359 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
3360
3361         * doc/md.texi (Insn Canonicalizations): Refer to the
3362         function commutative_operand_precedence for further rules.
3363
3364 2005-11-25  Roger Sayle  <roger@eyesopen.com>
3365
3366         PR middle-end/21309
3367         * expmed.c (choose_mult_variant): Return immediately when mult_cost
3368         is less than zero.  Limit mult_cost to a reasonable upper bound for
3369         the synthetic multiplication sequence.
3370
3371 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3372
3373         PR middle-end/25022
3374         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3375         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
3376         Lookup the explicit replacement functions for any unlocked
3377         stdio builtin transformations.
3378
3379 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
3380
3381         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
3382         earlyclobber.
3383         * targhooks.c (default_secondary_reload): Don't require operand 2
3384         for an input reload to be earlyclobber.
3385
3386 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3387
3388         * fold-const.c (negate_mathfn_p): Fix comment and add support
3389         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
3390         BUILT_IN_ATANH.
3391
3392 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
3393
3394         PR middle-end/24998
3395         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
3396         _Q_ulltoq for unsigned conversions from SImode and DImode to
3397         TFmode.
3398
3399 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
3400
3401         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
3402         (__floatundidf, __floatundisf): Likewise.
3403
3404 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
3405
3406         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
3407         (rs6000_override_options): Remove initialization of
3408         rs6000_sr_alias_set.
3409         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
3410         (rs6000_emit_stack_tie): Same.
3411         (emit_frame_save): Same.
3412         (gen_frame_mem_offset): Same.
3413         (rs6000_emit_prologue): Same.
3414         (rs6000_emit_epilogue): Same.
3415
3416 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
3417
3418         PR middle-end/24989
3419         * fold-const.c (fold_build): Convert bool_var != 1 and
3420         bool_var == 0 to !bool_var.
3421
3422 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
3423
3424         PR middle-end/24990
3425         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
3426         for C being INTEGER_CST.  Likewise for !=.
3427
3428 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
3429
3430         PR middle-end/24998
3431         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
3432         unsigned conversions from SImode to TFmode.
3433
3434 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3435
3436         * expr.c (expand_expr_real_1): Fix error in last change.
3437
3438 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3439
3440         * caller-save.c: (this_insn_sets): Move into:
3441         (save_call_clobbered_regs).
3442         (mark_set_regs): Get this_insn_sets from data.
3443
3444         (save_call_clobbered_regs): Take sets of the return value by
3445         sibcalls into account.
3446
3447 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3448         PR target/21623:
3449
3450         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3451         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3452         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3453         (memory_move_secondary_cost, init_reg_autoinc): Remove
3454         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3455         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3456         secondary_reload_class call.
3457         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
3458         callers.
3459         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3460         (push_secondary_reload): Use secondary_reload target hook.
3461         (secondary_reload_class, scratch_reload_class): New functions.
3462         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3463         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
3464         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3465         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3466         (secondary_reload_class, scratch_reload_class): Declare.
3467         * reload1.c: Include target.h.
3468         (reload_adjust_reg_for_temp): New function.
3469         (reload_adjust_reg_for_icode): Likewise.
3470         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3471         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3472         call.
3473         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
3474         for inheritance.  Support case when both secondary & tertiary reloads
3475         are for intermediate registers.
3476         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3477         with secondary_reload_class call.  Support case when both secondary
3478         & tertiary reloads are for intermediate registers.
3479         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3480         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3481         * target.h (secondary_reload_info): New struct / typedef.
3482         (struct gcc_target): New member secondary_reload.
3483         * targhooks.c Include reload.h, optabs.h and recog.h.
3484         (default_secondary_reload): New function.
3485         * targhooks.h (default_secondary_reload): Declare.
3486         * doc/tm.texi: Document secondary_reload target hook.  Update
3487         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3488         * doc/md.texi: Likewise.
3489
3490         * sh-protos.h (sh_secondary_reload): Declare.
3491         * sh.c (TARGET_SECONDARY_RELOAD): Override.
3492         (sh_secondary_reload): New function.
3493         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3494         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3495         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3496         (HAVE_SECONDARY_RELOADS): Define.
3497         * sh.md (reload_indf): Rename to:
3498         (reload_indf__frn).
3499         (reload_outdf): Rename to:
3500         (reload_outdf__RnFRm).
3501         (reload_insf): Rename to:
3502         (reload_insf__frn).
3503         (reload_insi): Rename to:
3504         (reload_insi__i_fpul).
3505
3506 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
3507
3508         * configure.ac: Require at least texinfo 4.4.
3509         * configure: Regenerate.
3510
3511         * doc/install.texi (Tools/packages necessary for building GCC):
3512         Update required version of texinfo to at least 4.4.
3513         (Installing GCC: Building): Update required version of texinfo
3514         to at least 4.4.
3515         (Installing GCC: Final installation): Update required version
3516         of texi2dvi to at least 4.4.
3517         (Host/target specific installation notes for GCC): Update required
3518         version of texinfo to at least 4.4.
3519
3520 2005-11-24  Richard Guenther  <rguenther@suse.de>
3521         Dirk Mueller <dmueller@suse.de>
3522
3523         PR c++/14024
3524         * c-common.h (strict_aliasing_warning): Declare.
3525         * c-common.c (strict_aliasing_warning): New function,
3526         split out from ...
3527         * c-typeck.c (build_c_cast): ... here.
3528
3529 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3530
3531         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3532         to order operands.
3533         (swap_commutative_operands_with_target): New.
3534
3535 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3536
3537         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3538         also when doing PRE, rather than only for global CPROP.
3539
3540 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3541
3542         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3543         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3544         formatting.
3545         (expand_twoval_unop): Likewise.
3546         (widen_clz): Likewise.
3547         (expand_parity): Likewise.
3548         (expand_unop): Likewise.
3549         (emit_cmp_and_jmp_insn_1): Likewise.
3550         (prepare_float_lib_cmp): Likewise.
3551
3552 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3553
3554         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3555         Remove unused `class' variable.
3556
3557 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3558
3559         PR c++/21667
3560         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
3561         C/C++ diagnostic function warn_array_subscript_with_type_char.
3562         * c-common.h (warn_array_subscript_with_type_char): Declare.
3563         * c-common.c (warn_array_subscript_with_type_char): Define.
3564
3565 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3566
3567         PR c/21668
3568         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3569         compiling at the intersection of C and C++.
3570
3571 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
3572
3573         * doc/invoke.texi: For man pages, include gcc-vers.texi.
3574         List @file in the option summary.  Include the libiberty
3575         documentation for @file.
3576         * gcc.c (main): Call expandargv.
3577         * Makefile.in (gcc-vers.texi): Define srcdir.
3578
3579 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
3580
3581         * passes.c (init_optimization_passes): Document
3582         sequencing of passes.
3583
3584 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
3585
3586         * config/m68k/predicates.md (pcrel_address, extend_operator,
3587         post_inc_operand, pre_dec_operand): Remove redundant
3588         conditionals.
3589         (const_uint32_operand, const_sint32_operand): Use gcc_assert
3590         instead of abort.
3591         (valid_dbcc_comparison_p): Rewrite in the lisp style.
3592
3593 2005-11-23  Ben Elliston  <bje@au.ibm.com>
3594
3595         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3596
3597 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
3598
3599         Preparatory work for PR target/21623:
3600         * alpha.c (secondary_reload_class): Rename to:
3601         (alpha_secondary_reload_class).
3602         * alpha.h, alpha-protos.h: Likewise.
3603         * mn10300.c (secondary_reload_class): Rename to:
3604         (mn10300_secondary_reload_class).
3605         * mn10300.h, mn10300-protos.h: Likewise.
3606         * pa.c (secondary_reload_class): Rename to:
3607         (pa_secondary_reload_class).
3608         * pa.h, pa-protos.h: Likewise.
3609         * rs6000.c (secondary_reload_class): Rename to:
3610         rs6000_secondary_reload_class.
3611         * rs6000.h, rs6000-protos.h: Likewise.
3612
3613 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
3614
3615         PR middle-end/22561
3616         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3617
3618 2005-11-22  Ian Lance Taylor  <ian@airs.com>
3619
3620         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3621         a mode_class.
3622         (prepare_cmp_insn): Likewise.
3623
3624 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
3625
3626         PR target/23435
3627         * m68k.md (zero_extendsidi2): Force operands[1] to a register
3628         if both operands[0] and operands[1] are memory.
3629
3630 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3631
3632         PR middle-end/23606
3633         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3634         COMPARISON_CLASS_P and an integral types create create a new
3635         expression with the new type and fold that.
3636
3637 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3638
3639         PR target/24988
3640         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3641         to SUBTARGET_OS_CPP_BUILTINS.
3642
3643 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
3644
3645         * arm.c (emit_set_insn): New function.
3646         (arm_split_constant): Call it.
3647         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3648         (arm_legitimize_address): Likewise.  Use plus_constant.
3649         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
3650         (thumb_expand_prologue): Likewise.
3651         (arm_gen_load_multiple): Use VOIDmode in SET.
3652         (arm_gen_store_multiple): Likewise.
3653         (vfp_emit_fstmx): Likewise.  Use plus_constant.
3654         (emit_multi_reg_push): Likewise.
3655         (emit_sfm): Use plus_constant.
3656
3657 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
3658
3659         PR target/24954
3660         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3661         typo last change.
3662
3663 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3664
3665         PR middle-end/24950
3666         * expmed.c (store_bit_field): Don't attempt to insv a field
3667         larger than the reg.
3668
3669 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3670
3671         PR target/24954
3672         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3673         explicit sign extension, not a (char) cast.
3674
3675 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3676
3677         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3678         GET_MODE_CLASS (x) == MODE_FLOAT.
3679         * config/i386/i386.c: Likewise.
3680         * config/rs6000/xcoff.h: Likewise.
3681         * config/rs6000/linux64.h: Likewise.
3682         * config/rs6000/rs6000.c: Likewise.
3683         * config/rs6000/rs6000.h: Likewise.
3684         * config/rs6000/predicates.md: Likewise.
3685         * config/rs6000/sysv4.h: Likewise.
3686
3687 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3688
3689         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3690         flag_pic is set.
3691
3692         * config/alpha/freebsd.h, config/alpha/linux.h,
3693         config/arm/linux-elf.h, config/bfin/bfin.h,
3694         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3695         config/i386/beos-elf.h, config/i386/gnu.h,
3696         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3697         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3698         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3699         config/rs6000/linux64.h, config/rs6000/sysv4.h,
3700         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3701         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3702         config/sparc/linux.h, config/sparc/linux64.h,
3703         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3704
3705         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3706         are both defined when either flag -fpic or -fPIC are used.
3707
3708 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3709
3710         * config/fp-bit.c (clzusi): New function.
3711         (si_to_float, usi_to_float): Use it to compute proper shift.
3712         (usi_to_float): Preserve guard bits when shifting right.
3713         * libgcc-std.ver (GCC_4.2.0): New version.
3714         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3715         __floatundisf): New functions.
3716         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3717         __floatundisf): Declare.
3718         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3719         _floatundixf, and _floatunditf.
3720         * optabs.c (expand_float): If target does not define a pattern for
3721         signed or unsigned conversion, use an unsigned libcall instead of
3722         a signed one.
3723         (init_optabs): Initialize ufloat_optab.
3724
3725 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3726
3727         * config/rs6000/rs6000.opt (mmulhw): New option.
3728         * doc/invoke.texi (-mmulhw): Document.
3729         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3730         for 405 and 440.
3731         * config/rs6000/rs6000.md: Add half-word multiply and
3732         multiply-accumulate instructions for 405 and 440.
3733
3734 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
3735
3736         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3737         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
3738         default now includes a linker group which makes the RTEMS one nest.
3739
3740 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3741
3742         * cse.c (fold_rtx): Typo fix.
3743         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3744
3745 2005-11-21  Richard Henderson  <rth@redhat.com>
3746
3747         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3748         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3749
3750         * c-tree.h (lookup_name): Move declaration ...
3751         * c-common.h (lookup_name): ... here.
3752         * config/darwin-c.c: Include c-common.h.
3753         * config/t-darwin: Update dependencies.
3754
3755 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3756
3757         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3758         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3759         * genopinit.c (gen_insn): Likewise.
3760         * reload.c (find_equiv_reg): Likewise.
3761         * loop.c (load_mems): Likewise.
3762         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3763         * cse.c (find_comparison_args, fold_rtx): Likewise.
3764         * dwarf2out.c (add_const_value_attribute): Likewise.
3765         * expr.c (convert_move): Likewise.
3766         * recog.c (general_operand, register_operand): Likewise.
3767         * reg-stack.c (replace_reg): Likewise.
3768         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3769         * c-common.c (handle_vector_size_attribute): Likewise.
3770         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3771         (simplify_binary_operation_1): Likewise.
3772         (simplify_const_binary_operation): Likewise.
3773         (simplify_relational_operation): Likewise.
3774         (simplify_const_relational_operation): Likewise.
3775         (simplify_immed_subreg): Likewise.
3776         * emit-rtl.c (gen_lowpart_common): Likewise.
3777         * expmed.c (expand_mult): Likewise.
3778         * stor-layout.c (layout_type): Likewise.
3779
3780 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
3781
3782         PR target/24951
3783         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3784         cst2 only for SPE vectors.
3785
3786 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
3787
3788         PR target/24953
3789         * config/rs6000/predicates.md (vrsave_operation): Check
3790         UNSPEC_VOLATILE value.
3791
3792 2005-11-21  Jan Hubicka  <jh@suse.cz>
3793
3794         PR tree-optimization/24653
3795         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3796
3797 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3798
3799         * config/i386/predicates.md (ax_reg_operand): New predicate.
3800         (memory_displacement_only_operand): New predicate.
3801         * config/i386/i386.md ("modrm" attribute): Return 0 if one
3802         operand is AX register and the other operand is memory operand
3803         with displacement only.
3804
3805 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3806
3807         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3808         if we don't care about NaNs or Infinities.
3809
3810 2005-11-20  Ian Lance Taylor  <ian@airs.com>
3811
3812         PR rtl-optimization/24883
3813         * combine.c (combinable_i3pat): When checking whether the
3814         destination of i3 is used in i3, consider paradoxical subregs.
3815
3816 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
3817
3818         PR middle-end/20583
3819         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3820
3821 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
3822
3823         * combine.c (try_combine): Do not run subst on i1src and i2src in
3824         the case of generating a PARALLEL for a comparison.
3825
3826 2005-11-20  Richard Henderson  <rth@redhat.com>
3827
3828         PR 24931
3829         * tree-sra.c (struct sra_elt): Add all_no_warning.
3830         (struct sra_walk_fns) <use>: Add use_all argument.
3831         (sra_walk_expr): Pass it.
3832         (sra_walk_modify_expr): Likewise.
3833         (scalarize_ldst): Likewise.
3834         (scan_use): Update for new argument.
3835         (mark_no_warning): New.
3836         (scalarize_use): Use it.
3837
3838 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3839
3840         * expr.c (expand_expr_real): Use usmul_optab for widening
3841         signed * unsigned multiplies.
3842         * genopinit.c (optabs): Add usmul_widen_optab.
3843         * optabs.c (init_optabs): Likewise.
3844         * optabs.h (enum optab_index): Add OTI_usmul_widen.
3845         (usmul_widen_optab): Define.
3846         * config/bfin/bfin.md (usmulhisi3): New pattern.
3847
3848         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3849
3850 2005-11-20  Graham Stott <btinternet.com>
3851
3852         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3853
3854 2005-11-20  Andreas Schwab  <schwab@suse.de>
3855
3856         PR target/24757
3857         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3858         insn.
3859
3860 2005-11-19  Richard Henderson  <rth@redhat.com>
3861
3862         PR tree-opt/24665
3863         * tree-gimple.c (is_gimple_id): Export.
3864         * tree-gimple.h (is_gimple_id): Declare.
3865         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3866         (get_default_value): Use it.
3867         (maybe_fold_stmt_indirect): Likewise.
3868
3869 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
3870
3871         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3872         than VR1 or vice-versa.
3873
3874 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
3875
3876         PR middle-end/24912
3877         PR middle-end/24750
3878         * reload.c (find_reloads_address_1): Mention dependency on
3879         gen_reload.
3880         * reload1.c (gen_reload): For IN with an unary operation, try
3881         moving inner expression to OUT if trivial SET is not valid.
3882         Confirm that the result is valid.  Move common code block into...
3883         (emit_insn_if_valid_for_reload): New function.
3884
3885 2005-11-19  Richard Guenther  <rguenther@suse.de>
3886
3887         * fold-const.c (fold_indirect_ref_1): Make sure we fold
3888         ARRAY_REFs of constant strings.
3889
3890 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
3891
3892         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3893         fatal format string.
3894
3895 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
3896
3897         * combine.c (make_compound_operation): Swap operands of
3898         commutative operation if necessary before returning.
3899
3900 2005-11-19  Richard Guenther  <rguenther@suse.de>
3901
3902         PR middle-end/23294
3903         * fold-const.c (fold_plusminus_mult_expr): New function.
3904         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3905         cases, remove now unnecessary code.
3906
3907 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
3908
3909         * gensupport.c (old_preds): Rename to std_preds, add special field.
3910         (struct old_pred_table): Rename to struct std_pred_table, add special
3911         field.
3912         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3913         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3914         (init_predicate_table): Adjust, and set along the way whether a
3915         predicate is special.
3916
3917 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
3918
3919         * BASE-VER: Change to 4.2.0.
3920
3921 2005-11-18  James E Wilson  <wilson@specifix.com>
3922
3923         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3924         returning it.
3925
3926 2005-11-18  Mike Stump  <mrs@apple.com>
3927
3928         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3929         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3930         * c-decl.c (lookup_name_two) Remove.
3931         * c-tree.h (lookup_name_two): Remove.
3932         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3933         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3934         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3935         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3936
3937 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
3938
3939         PR target/24914
3940         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3941         when not generating code to use that co-processor.
3942
3943 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
3944
3945         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3946         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3947         these functions are now in tree-phinodes.c.
3948
3949 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
3950
3951         * config/bfin/bfin.md (trap): New pattern.
3952
3953 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3954
3955         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3956         on types.
3957
3958         * expr.c (expand_expr_real): Don't call record_block_change unless
3959         ib_boundaries_block is non-null
3960
3961         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3962
3963         * fold-const.c (build_range_check): Use proper type for subtraction
3964         when merging lower bound.
3965
3966 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3967
3968         PR rtl-optimization/24497
3969         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3970         the copied insn.
3971
3972 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3973
3974         * tree-scalar-evolution.c (expression_expensive_p): New function.
3975         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3976
3977 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3978
3979         * config/bfin/crtlibid.s: New file.
3980
3981 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3982
3983         PR target/24348
3984         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3985         when not using sjlj exceptions.
3986         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3987         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3988         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3989         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3990         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3991         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3992         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3993         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3994         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3995         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3996         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3997         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3998         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3999         defines.
4000         * config/pa/hpux-unwind.h: New file.
4001
4002 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
4003
4004         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
4005         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
4006         * varasm.c (do_assemble_alias): Adjust call.
4007         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
4008         is defined.
4009         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
4010
4011 2005-11-17  James E Wilson  <wilson@specifix.com>
4012
4013         * tree.def (FUNCTION_DECL): Correct typo in comment.
4014
4015 2005-11-17  Richard Henderson  <rth@redhat.com>
4016
4017         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
4018         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
4019         and DW_CFA_def_cfa_sf.
4020         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
4021         (dbx_reg_number): Don't assert particular registers here.
4022         (based_loc_descr): ... do it here instead.  Fold in ...
4023         (eliminate_reg_to_offset): ... this function.
4024         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
4025         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
4026         * unwind-dw2.c (execute_cfa_program): Apply data align factor
4027         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
4028         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
4029         (instantiate_virtual_regs): Likewise.
4030         * var-tracking.c (adjust_stack_reference): Likewise.
4031         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
4032
4033 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
4034
4035         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
4036         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
4037         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
4038         crtlibid.o.
4039         ($(T)crtlibid.o): New rule.
4040
4041 2005-11-16  Richard Guenther  <rguenther@suse.de>
4042
4043         PR middle-end/24851
4044         * fold-const.c (extract_array_ref): Return byte offset
4045         in all cases.
4046         (fold_binary): Fold &x[a] CMP &x[b] to
4047         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
4048         behavior.
4049
4050 2005-11-16  Richard Henderson  <rth@redhat.com>
4051
4052         PR middle-end/23497
4053         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
4054         parts of an SSA_NAME.
4055
4056 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
4057
4058         PR target/24861
4059         * arm.md (split for movsf with immediate): Restrict split to insns
4060         that set a general register.
4061
4062 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
4063
4064         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
4065         uw_update_context.
4066         * unwind-dw2.c (uw_advance_context): Likewise.
4067         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
4068         _Unwind_SjLj_Unregister.
4069         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
4070
4071 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
4072
4073         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
4074
4075 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
4076
4077         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
4078         langhook to get a DImode integer type.
4079
4080 2005-11-16  Richard Henderson  <rth@redhat.com>
4081             J"orn Rennecke <joern.rennecke@st.com>
4082             Ulrich Weigand  <uweigand@de.ibm.com>
4083
4084         PR rtl-opt/24160
4085         PR target/24621
4086         * reload1.c (reg_equiv_invariant): New.
4087         (reload): Allocate, initialize, and free it.
4088         (calculate_needs_all_insns): Check it when skipping equivalence
4089         setting insns.
4090         (alter_reg): Likewise.
4091         (eliminate_regs_1): Rename from eliminate_regs.  Add new
4092         may_use_invariant argument; only use reg_equiv_invariant when true.
4093         (eliminate_regs): New.
4094         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
4095         a context for which may_use_invariant may be true.
4096
4097 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
4098
4099         * fold-const.c (const_binop): Don't constant fold the operation
4100         if the result has overflowed and flag_trapping_math.
4101         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
4102
4103 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
4104
4105         * config/arm/unwind-arm.c (abort): Add prototype here.
4106         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
4107         (struct phase1_vrs): Add prev_sp.
4108         (unwind_phase2_forced): Save the original core registers instead of
4109         modifying entry_vrs.  Take a new flag argument for resuming unwinding
4110         and set action flags accordingly.  Always set _US_END_OF_STACK when
4111         get_eit_entry fails.  Unwind before calling the stop function.
4112         (_Unwind_GetCFA): New function.
4113         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
4114         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
4115         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
4116         just call unwind_phase2_forced.
4117         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
4118         * config/arm/unwind-arm.h (abort): Remove prototype.
4119         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
4120         prototypes.
4121         (_Unwind_GetCFA): New prototype.
4122         * config/arm/pr-support.c (abort): Add prototype here.
4123         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
4124         forced unwinding.
4125         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
4126         not schedule the prologue with non-call exceptions and EABI.
4127
4128 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
4129
4130         * config/arm/unwind-arm.h: Reorder interface function declarations.
4131         (_URC_END_OF_STACK): New enumeration value.
4132         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
4133         (struct _Unwind_Control_Block): Document reserved field use.
4134         (_Unwind_Stop_Fn): New typedef.
4135         (_Unwind_ForcedUnwind): Declare.
4136         (_Unwind_Resume_or_Rethrow): Declare.
4137         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
4138         argument.  Adjust.
4139         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
4140         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
4141         (UCB_FORCED_STOP_ARG): New.
4142         (search_EIT_table): Update boundary condition checks.
4143         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
4144         (unwind_phase2): Replace for with do..while.
4145         (unwind_phase2_forced): New.
4146         (__gnu_Unwind_RaiseException): Replace for with do..while.
4147         (__gnu_Unwind_ForcedUnwind): New.
4148         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
4149         Use appropriate phase2 unwinder.
4150         (__gnu_Unwind_Resume_or_Rethrow): New.
4151         (__gnu_unwind_pr_common): Cope with forced unwinding.
4152
4153 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
4154
4155         PR target/24772
4156         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
4157
4158         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
4159         roundsf2): Remove "s" from mnemonic.
4160
4161 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
4162
4163         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
4164         __PIC__ is defined.
4165         * config/bfin/crtn.s: Change epilogues to match.
4166         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
4167         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
4168         __PIC__ and __pic__.
4169
4170 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4171
4172         PR 24357
4173         * doc/invoke.texi: Distinguish between free and fixed form instead of
4174         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
4175         languages.
4176         * gcc.c (default_compilers): Remove double entries, add entries for
4177         suffixes '.F90' and '.F95'.
4178
4179 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
4180
4181         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
4182         in the stack probing loop.
4183
4184 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
4185
4186         * configure.ac: Use .machine power5 not power5x.
4187         * configure: Regenerate.
4188
4189 2005-11-15  Mike Stump  <mrs@apple.com>
4190
4191         * c-decl.c (lookup_name_two): Add.
4192         * c-tree.h (lookup_name_two): Likewise.
4193         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
4194         * config/darwin-c.c (darwin_pragma_unused): Likewise.
4195
4196 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
4197
4198         PR rtl-optimization/23392
4199         * regrename.c (enum scan_actions) Add mark_access.
4200         (scan_actions_name): Ditto.
4201         (scan_rtx_reg): Handle mark_access.
4202         (scan_rtx_address): Do nothing for mark_access.
4203         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
4204         and regs in REG_INC notes before closing chains for dead regs.
4205         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
4206         opening chains for new writes.
4207
4208 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
4209
4210         * c.opt (ffixed-line-length-none): New.
4211
4212 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
4213
4214         * mklibgcc.in: Change contents of eh_dummy.c.
4215
4216 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
4217
4218         * loop.c (scan_loop): Do not insert temporaries for hard registers.
4219
4220 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
4221
4222         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
4223         of making syscalls.
4224         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
4225
4226 2005-11-15  Jan Hubicka  <jh@suse.cz>
4227
4228         * invoke.texi (large-unit-insns): Document.
4229         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
4230         * params.def (large-unit-insns): New param.
4231
4232 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
4233
4234         PR target/24869
4235         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
4236         special register for operand 3.  Reindent constraints to align
4237         them vertically.
4238
4239 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
4240
4241         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
4242         -mpopcntb, -mfprnd. Add -mcpu=power5+.
4243         * configure.ac: Add test for FP rounding instructions.
4244         * configure: Regenerate.
4245         * config.in: Regenerate.
4246         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4247         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
4248         features enabled.
4249         * config/rs6000/rs6000.opt (mfprnd): New.
4250         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
4251         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
4252         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
4253         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
4254         (TARGET_FPRND): New.
4255         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
4256         UNSPEC_FRIZ): New.
4257         (btrunc<mode>2): New.
4258         (ceil<mode>2): New.
4259         (floor<mode>2): New.
4260         (round<mode>2): New.
4261
4262 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
4263
4264         * gcc.c (version_compare_spec_function): Use fatal() rather than
4265         abort().
4266
4267         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
4268         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
4269         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
4270         as empty.
4271         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
4272         link in crt2.o.
4273
4274         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
4275         on -mmacosx-version-min setting.
4276
4277 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
4278
4279         PR 24840
4280         * tree-vrp.c (infer_value_range): Return false if STMT is a
4281         block terminator and its basic block has no successors.
4282
4283 2005-11-14  Mike Stump  <mrs@apple.com>
4284
4285         * config/i386/i386.c (override_options): -masm=intel isn't
4286         supported on darwin.
4287         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4288
4289 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
4290
4291         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
4292         vfork after including auto-host.h.
4293
4294 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
4295
4296         PR rtl-optimization/22002
4297         * combine.c (distribute_notes): Detect cases where a reg dies
4298         two or more times in a bb, including on the insn we are combining,
4299         and place the death note on the correct range.
4300
4301 2005-11-14  Dale Johannesen  <dalej@apple.com>
4302
4303         * expmed.c (store_bit_field):  Add offset unconditionally for
4304         memory targets.
4305         (extract_bit_field):  Don't force extzv or extv operand into
4306         a register if field is too big.
4307
4308 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
4309
4310         * config/arm/arm.c (pic_labelno): New.
4311         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
4312         LABEL_REF.  Pass only the labelno to PIC insns.
4313         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4314         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
4315         * arm.md (UNSPEC_PIC_LABEL): New constant.
4316         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
4317         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
4318         Use the correct label prefix.
4319
4320 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
4321
4322         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
4323         REQ_EQUIV note.
4324
4325 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
4326
4327         * loop-invariant.c: Include tm_p.h.
4328         * Makefile.in: Updated.
4329
4330 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4331
4332         * pa.c (store_reg): Revise generation of frame notes in large frames.
4333         (set_reg_plus_d): Likewise.
4334
4335 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
4336
4337         PR tree-optimization/24709
4338         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
4339         loop check.
4340
4341 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4342
4343         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
4344         and duplicate declaration of pthread_self.
4345
4346 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
4347             Ian Lance Taylor  <ian@airs.com>
4348
4349         PR middle-end/24003
4350         * calls.c (expand_call): If TARGET is a MEM and some part of the
4351         argument area has been saved, force TARGET to a register.
4352
4353 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
4354
4355         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
4356         checking.
4357
4358 2005-11-13  Jason Merrill  <jason@redhat.com>
4359
4360         PR c++/22489
4361         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
4362         lazily declared methods.
4363         (force_decl_die): Stop if forcing out the context already make a
4364         DIE for the decl.
4365         (force_type_die): Likewise.
4366
4367 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
4368
4369         PR middle-end/24820
4370         * builtins.c (integer_valued_real_p): Add break in
4371         REAL_CST having TREE_OVERFLOW set.
4372
4373 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
4374
4375         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
4376         addressing modes during calculation of costs.
4377
4378 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
4379
4380         * function.c (assign_stack_local_1): Restrict sanity check
4381         on frame size overflow to 32-bit and above platforms.
4382
4383 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4384
4385         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
4386         * config/cris/cris.c: Include reload.h.
4387         (cris_initial_elimination_offset): New function.
4388         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
4389         Prototype.
4390
4391 2005-11-12  Richard Guenther  <rguenther@suse.de>
4392
4393         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
4394
4395 2005-11-12  Jan Hubicka  <jh@suse.cz>
4396
4397         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
4398         to compare against 0 when possible.
4399
4400 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
4401
4402         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
4403         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4404         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
4405         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
4406         in the new order.
4407
4408 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4409
4410         * recog.c (constrain_operands) <case 'g'>: For a match, require
4411         that a non-register matches general_operand when strict >= 0.
4412
4413 2005-11-11  Steven Bosscher  <stevenb@suse.de>
4414
4415         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
4416         previous checkin.
4417
4418 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
4419
4420         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
4421         (memory_address_same): New.
4422         (dse_optimize_stmt): Call memory_address_same.
4423
4424 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4425
4426         PR middle-end/24750
4427         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
4428         ZERO_EXTEND>: New cases.
4429
4430 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
4431
4432         * longlong.h (__clz_tab): Always provide.
4433
4434 2005-11-11  Steven Bosscher  <stevenb@suse.de>
4435
4436         PR 24265
4437         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
4438         can be assigned to.
4439         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
4440         before check_maybe_invariant.
4441         (move_invariant_reg): Use gen_move_insn instead of replacing
4442         SET_DEST with the temporary for the invariant.
4443         (move_loop_invariants): If checking is enabled, do internal
4444         consistency checks after completing the pass.
4445
4446 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
4447
4448         PR 24644
4449         * common.opt (Wvolatile-register-var): New.
4450         * varasm.c (make_decl_rtl): Only emit warning when option
4451         specified.  Clarify warning message.
4452         * doc/invoke.texi (Wvolatile-register-var): Document new option.
4453
4454         * doc/md.texi (copysign): Document standard named pattern.
4455
4456 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
4457
4458         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
4459         bytes when align is 2.
4460         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
4461         by the first instruction of the loop.
4462
4463 2005-11-11  Jason Merrill  <jason@redhat.com>
4464
4465         PR c++/24686
4466         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
4467         the cleanup list.
4468
4469 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
4470
4471         PR rtl-optimization/22509
4472         * local-alloc.c (memref_used_between_p): Check whether a function call
4473         could not reference the memref.
4474
4475 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
4476
4477         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
4478         algorithm so as to choose the best, not the worst, alternative.
4479         Reset accumulated register class before processing next alternative.
4480
4481 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4482
4483         PR target/24445
4484         * calls.c (expand_call): Copy a return value to a plain register
4485         if needed.
4486
4487 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
4488
4489         PR target/24778
4490         * varasm.c (assemble_name): Recompute name only for transparent
4491         aliases.
4492
4493 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
4494
4495         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4496
4497 2005-11-04  Jeff Law  <law@redhat.com>
4498
4499         PR middle-end/23181
4500         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4501         perform reassociation if the parent statement will not die as
4502         a result of the optimization.
4503
4504 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
4505
4506         * tree-ssa-alias.c (compute_may_aliases): Remove call to
4507         delete_old_heap_vars.
4508         * tree-dfa.c (referenced_var_remove): Remove function.
4509         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4510         (delete_tree_ssa): Remove call to delete_old_heapvars.
4511         Add call to delete_alias_heapvars.
4512         * tree-flow.h (referenced_var_remove): Remove prototype
4513         (init_alias_heapvars): New prototype.
4514         (delete_alias_heapvars): Ditto.
4515         * Makefile.in (tree-ssa-structalias.o): Add
4516         gt-tree-ssa-structalias.o
4517         (GTFILES): Add tree-ssa-structalias.h and
4518         tree-ssa-structalias.c.
4519         (s-gtype): Add gt-tree-ssa-structalias.h.
4520         * tree-ssa-structalias.c (heapvars): Remove.
4521         (oldheapvars): Remove.
4522         (heapvar_for_stmt): New variable.
4523         (heapvar_lookup): New function.
4524         (heapvar_insert): Ditto.
4525         (get_constraint_for): See if we have an old heapvar
4526         to reuse.
4527         (init_alias_heapvars): New function.
4528         (delete_alias_heapvars): Ditto.
4529         Add include of gt-tree-ssa-structalias.h.
4530
4531 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4532
4533         PR middle-end/22127
4534         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4535
4536 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
4537
4538         * tree.c (int_fits_type_p): Only look at the base type
4539         if it has the same precision as the original type.
4540
4541 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
4542
4543         PR other/4372
4544         * varasm.c (assemble_alias): Use %q+D in the error
4545         message instead of %J and %qD.
4546
4547 2005-11-10  Richard Guenther  <rguenther@suse.de>
4548
4549         * gcse.c (free_ldst_entry): Only free hashtable if
4550         it exists.
4551
4552 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4553
4554         * function.c (assign_stack_local_1): Issue an error message if
4555         the frame size overflows in the signed target arithmetics.
4556
4557 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4558
4559         * tree.c (build_qualified_type): Chain the new type to the original
4560         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4561         a POINTER_TYPE or a REFERENCE_TYPE respectively.
4562         (build_pointer_type_for_mode): Only return unqualified types.
4563         (build_reference_type_for_mode): Likewise.
4564
4565 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
4566
4567         * Makefile.in (gnucompare): Do comparison of all files using one of
4568         the chosen methods and only afterwards decide if just warning should
4569         be issued or comparison failure raised.
4570
4571 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4572
4573         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4574         (noce_try_abs): Negate if the comparison is reversed.
4575         Look only one instruction backwards for a REG_EQUAL note.
4576
4577 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4578
4579         PR other/4372
4580         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4581         gthr-tpf.h: Define __gthrw.  For all identifiers that might
4582         be weak, introduce weakrefs or non-weak aliases with __gthrw,
4583         and prefix all uses with __ghtrw.
4584
4585 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4586
4587         PR other/4372
4588         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4589         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
4590         * c-common.c (handle_weakref_attribute): New.
4591         (c_common_attribute_table): Add weakref.
4592         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4593         in the assembler.
4594         * configure, config.in: Rebuilt.
4595         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4596         * doc/extend.texi: Document weakref attribute.
4597         * varasm.c (ultimate_transparent_alias_target): New
4598         (assemble_name): Use it.
4599         (weak_finish_1): Split out of...
4600         (weak_finish): ... and deal with weakrefs in...
4601         (weakref_targets): ... new list.
4602         (globalize_decl): Clean up weakref_targets.
4603         (do_assemble_alias): Handle weakrefs.
4604         (finish_aliases_1): Do not reject weakrefs to external symbols.
4605         (assemble_alias): Handle weakrefs.
4606
4607 2005-11-09  Richard Guenther  <rguenther@suse.de>
4608
4609         PR tree-optimization/24716
4610         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4611         t_bool to track results from follow_ssa_edge.
4612
4613 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4614
4615         * final.c (force_source_line): New global variable.
4616         (final_scan_insn): Set it to true instead of clearing last_filename.
4617         (notice_source_line): Return true if force_source_line is true,
4618         unless source info is absent.
4619
4620 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
4621
4622         PR c/24644
4623         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4624         a linkage name for a variable if it a register variable.
4625         * c-decl.c (grokdeclarator): Global register variables
4626         should be set as PUBLIC.
4627
4628 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4629
4630         PR 24624
4631         * config/s390/s390.c (struct s390_frame_layout): New fields
4632         first_save_gpr_slot and last_save_gpr_slot.
4633         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4634         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4635         first_save_gpr and last_save_gpr with the _slot variants.
4636         (s390_register_info): Calculate first_save_gpr_slot and
4637         last_save_gpr_slot using regs_ever_live.
4638
4639 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4640
4641         PR 24623
4642         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4643         for a function containing a landing pad.
4644
4645 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4646
4647         PR 24034
4648         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4649         is live afterwards.
4650
4651 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
4652
4653         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4654         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4655
4656 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
4657
4658         Add ms2 support
4659         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4660         constants.
4661         (call,load,store): New insn types.
4662         (mem_access, branch_access): Adjust reservation conditions.
4663         (define_delay): Adjust condition.
4664         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
4665         type.
4666         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4667         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4668         insn type.
4669         (call_internal, call_value_internal, return_internal,
4670         return_interrupt_internal, eh_return_internal, indirect_jump,
4671         tablejump): Set call insn type.
4672         (blockage, ei, di): Use appropriate unspec const.
4673         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4674         (ms1_get_attr_type): Adjust to give load & store types.
4675         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
4676         backwards past a barrier.
4677         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
4678         branch scheduling.
4679         (struct branch_info, struct label_info): New.
4680         (ms1_labels): New.
4681         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4682         (ms1_machine_reorg): New.
4683         (TARGET_MACHINE_DEPENDENT_REORG): Override.
4684         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4685         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4686         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4687         (TARGET_MS2): New.
4688
4689 2005-11-09  Per Bothner  <per@bothner.com>
4690             Uros Bizjak  <uros@kss-loka.si>
4691
4692         PR c/24101
4693         * toplev.c (process_options): Initialize debug_hooks early
4694         in case lang_hooks.post_options ends up calling a debug_hook.
4695
4696 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
4697
4698         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4699         DBX_REGISTER_NUMBER being contiguous.
4700
4701 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
4702             Diego Novillo  <dnovillo@redhat.com>
4703
4704         PR 23046
4705         * tree-vrp.c (register_edge_assert_for): Do not register
4706         always-false predicates.
4707
4708 2005-11-08  Devang Patel <dpatel@apple.com>
4709
4710         PR tree-optimization/23115
4711         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4712         relation.
4713
4714 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
4715
4716         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4717         -mcpu=440.
4718
4719 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
4720
4721         Fix PR tree-optimization/23382
4722
4723         * tree-ssa-alias.c (compute_may_aliases): Call
4724         delete_old_heap_vars.
4725         * tree-dfa.c (referenced_var_remove): New function.
4726         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4727         * tree-flow.h (referenced_var_remove): Add prototype.
4728         (delete_old_heap_vars): Ditto.
4729         * tree-ssa-structalias.c (heapvars): New variable.
4730         (oldheapvars): Ditto.
4731         (get_constraint_for): Put heap vars on heapvars list.
4732         (delete_old_heap_vars): New function.
4733
4734 2005-11-08  Jason Merrill  <jason@redhat.com>
4735
4736         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4737
4738 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
4739
4740         PR target/19340
4741         * reg-stack.c (reg_to_stack): Update register liveness also
4742         for flag_sched2_use_traces.
4743
4744 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
4745
4746         PR target/23704
4747         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4748         override prior explicit -mno-powerpc-gfxopt.
4749
4750 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
4751
4752         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4753         if the bitsize is zero.
4754         * doc/md.texi (Standard Pattern Names): Document it.
4755
4756         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4757         (TARGET_PASS_BY_REFERENCE): Likewise.
4758
4759 2005-11-07  Ian Lance Taylor  <ian@airs.com>
4760
4761         PR rtl-optimization/24683
4762         * config/i386/i386.c (legitimize_pic_address): If constant operand
4763         to PLUS is too large, put it in a register.
4764
4765 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
4766
4767         * configure.ac: Enable checking assembler dwarf2 support for bfin
4768         target.
4769         * configure: Regenerate.
4770
4771 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4772
4773         PR target/24230
4774
4775         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4776         gen_easy_vector_constant_add_self): Delete.
4777         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4778         New.
4779         (output_vec_const_move): Use gen_easy_altivec_constant.
4780         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4781         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4782         (easy_vector_constant_add_self): Rewritten.
4783         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4784         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4785         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4786         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4787         Macroize and adjust for the other changes.
4788
4789 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4790
4791         PR c/24599
4792
4793         * c-typeck.c (build_c_cast): Try using a shared constant, and see
4794         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4795
4796 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
4797
4798         PR rtl-optimization/23567
4799         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4800         (noce_process_if_block): Don't do any optimizations except
4801         if (cond) x = x; if !set_b and write into orig_x may trap
4802         or fault.  Remove the MEM_READONLY_P check.
4803
4804 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
4805
4806         PR 24670
4807         * tree-vrp.c (fix_equivalence_set): New.
4808         (extract_range_from_assert): Call it.
4809
4810 2005-11-05  Ian Lance Taylor  <ian@airs.com>
4811
4812         PR target/22432
4813         * combine.c (apply_distributive_law): Don't distribute across a
4814         vector mode subreg.
4815
4816 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
4817
4818         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4819         config/ms1/ms1.h, config/rs6000/predicates.md,
4820         config/s390/s390.c, params.def, postreload-gcse.c,
4821         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4822         tree-vrp.c, tree.c: Fix comment typos.
4823         * doc/invoke.texi: Fix typos.
4824
4825 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
4826
4827         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4828         for testing whether the data_dependence_relation contains distance
4829         vectors.  Iterate over all distance vectors of the ddr.
4830         * lambda.h: Define a vec of lambda_vector pointers.
4831         * tree-data-ref.c (dump_data_dependence_relation,
4832         dump_data_dependence_direction): Iterate over all distance and
4833         direction vectors of the ddr.
4834         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4835         DDR_DIST_VECTS.
4836         (build_classic_dist_vector, build_classic_dir_vector): Push a set
4837         of distance/direction vectors instead of a single one.
4838         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4839         lambda_vectors with a vec of lambda_vectors.
4840         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4841         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4842         DDR_NUM_DIST_VECTS): New.
4843         * tree-loop-linear.c (gather_interchange_stats): Test for the
4844         existence of distance vectors only after having checked that there
4845         is a dependence.  Iterate over all distance vectors of the ddr.
4846         (linear_transform_loops): Use dump_data_dependence_relation.
4847         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4848         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
4849         distance vectors of the ddr.
4850
4851 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4852
4853         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4854         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4855         IS_INTHANDLER; all callers changed.
4856         (n_regs_saved_by_prologue): Take interrupt handler attributes into
4857         account.
4858         (do_link, do_unlink): New argument ALL; all callers changed.
4859         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4860         If function isn't leaf, save and restore all registers.
4861         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4862         exception handler.
4863
4864 2005-11-05  Jan Hubicka  <jh@suse.cz>
4865
4866         PR rtl-optimization/23490
4867         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4868         max-flow-memory-location): Document.
4869         * flow.c: Include params.h
4870         (MAX_MEM_SET_LIST_LEN): Kill.
4871         (add_to_mem_set_list): Use new param.
4872         * cse.c (cse_basic_block): Replace 1000 by new param.
4873         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4874         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4875         * predict.c (predict_loops): Use new param.
4876         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4877
4878         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4879         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4880         Do not hold memory returned by cgraph_node_name across other call.
4881
4882 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
4883
4884         PR target/23424
4885         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4886         Disable.
4887
4888 2005-11-04  Jeff Law  <law@redhat.com>
4889
4890         PR/21883
4891         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4892         * tree-ssa-dom.c: Include params.h.
4893         (thread_across_edge): If there are too many statements in the
4894         target block, then do not thread through it.
4895         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4896         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4897
4898 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
4899
4900         PR 24627
4901         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4902         TODO_update_ssa instead of TODO_update_ssa_no_phi.
4903
4904 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
4905
4906         PR/18595
4907         * tree-scalar-evolution.c (instantiate_parameters_1,
4908         instantiate_parameters, resolve_mixers): Compute the size of an
4909         expression to be instantiated and give up the instantiation if the
4910         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4911
4912 2005-11-04  Richard Guenther  <rguenther@suse.de>
4913
4914         * tree-flow.h (ref_contains_indirect_ref): Rename to
4915         array_ref_contains_indirect_ref.
4916         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4917         (array_ref_contains_indirect_ref): Make comment match the code
4918         and vice-versa.
4919         (ref_contains_array_ref): Likewise.
4920         * tree-ssa-structalias.c (find_func_aliases): Remove call to
4921         ref_contains_indirect_ref.
4922         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4923         Rename calls to ref_contains_indirect_ref.
4924
4925 2005-11-04 Paul Brook  <paul@codesourcery.com>
4926
4927         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4928         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4929         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4930         * config/arm/arm.md: Use match_operand in peephole input templates
4931         and match_dup in peephole output templates.
4932
4933 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4934
4935         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4936         __aeabi_uidiv.
4937
4938 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
4939             Daniel Jacobowitz  <dan@codesourcery.com>
4940
4941         * longlong.h (add_ssaaaa): Clobber condition code register
4942         in ARM version.
4943         (sub_ddmmss): Likewise.
4944         (umul_ppmm): Likewise.
4945
4946 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4947             Paul Brook  <paul@codesourcery.com>
4948             Phil Blundell  <pb@reciva.com>
4949
4950         * configure.ac: Add test for ARM TLS support.
4951         * configure: Regenerated.
4952         * config/arm/arm-protos.h (legitimize_tls_address)
4953         (arm_tls_referenced_p, tls_mentioned_p)
4954         (arm_output_addr_const_extra): New prototypes.
4955         (thumb_legitimize_pic_address): Delete.
4956         * config/arm/arm.c: Include "gt-arm.h".
4957         (enum tls_reloc): New.
4958         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4959         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4960         (arm_call_tls_get_addr, legitimize_tls_address)
4961         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4962         (arm_init_tls_builtins, arm_emit_tls_decoration)
4963         (arm_output_addr_const_extra): New functions.
4964         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4965         (TARGET_HAVE_TLS): Define.
4966         (target_thread_pointer): New.
4967         (arm_override_options): Handle -mtp=.
4968         (legitimize_pic_address): Ignore UNSPECs.
4969         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4970         relative symbols.
4971         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4972         (tls_get_addr_libfunc): New variable.
4973         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4974         (arm_init_builtins): Call arm_init_tls_builtins.
4975         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4976         (arm_encode_section_info): Call default_encode_section_info.
4977         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4978         (enum arm_tp_type): New.
4979         (target_thread_pointer): Add declaration.
4980         (LEGITIMATE_CONSTANT_P): Handle TLS.
4981         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4982         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4983         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4984         * config/arm/arm.md: Add UNSPEC_TLS.
4985         (movsi): Handle TLS.
4986         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4987         non-PIC.
4988         (tls_load_dot_plus_eight): New insn and a peephole to create it.
4989         (load_tp_hard, load_tp_soft): New insns.
4990         * arm.opt: Add -mtp=.
4991         * doc/invoke.texi (ARM Options): Document -mtp.
4992
4993 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4994
4995         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4996         * config/arm/libunwind.S: Include "lib1funcs.asm".
4997         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4998         (LIB2ADDEH): Add libunwind.S.
4999         (LIB2ADDEHDEP): Add lib1funcs.asm.
5000         * mklibgcc.in: Handle asm files in libgcc_eh.a.
5001
5002 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
5003
5004         PR fortran/18452
5005         * gcc/c.opt: Add a -lang-fortran option.
5006         * gcc/c-opts.c: Add a lang_fortran flag.
5007         (c_common_init_options): Handling the -lang-fortran option.
5008         (c_common_handle_option): Add a case for Fortran options in
5009         preprocessing. Remove cases for -ffixed-form and
5010         -ffixed-line-length. Add a case for -lang-fortran.
5011
5012 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
5013
5014         * config/rs6000/rs6000.c: Include params.h
5015         (optimization_options): Set max-grow-copy-bb-insns default to 16.
5016         (bdesc_2arg): Delete vpkuhss and vpkuwss.
5017         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
5018         (UNSPEC_VPKUWSS): Delete.
5019         (altivec_vpkuhss): Delete.
5020         (altivec_vpkuwss): Delete.
5021         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
5022         final condition.
5023         (neg_eq0<mode>): Remove final condition.
5024         (neg_eq<mode>): Remove condition and split-condition.
5025
5026 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
5027
5028         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
5029         Use associated print macros.
5030
5031 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
5032
5033         PR c++/17964
5034         * diagnostic.c (diagnostic_set_info_translated): New function.
5035         (diagnostic_set_info): Use it.  Add comment.
5036         * diagnostic.h (diagnostic_set_info_translated): Declare.
5037
5038 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
5039
5040         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
5041         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
5042         reference only if 'public' is true.
5043         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
5044         emit the .hidden directive only if the indirect reference is public.
5045         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
5046         Pass it to dw2_force_const_mem.
5047         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
5048         * dwarf2out.c (output_cfi): Adjust calls to above function.
5049         (output_call_frame_info): Likewise.
5050         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
5051         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
5052
5053 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
5054
5055         PR tree-optimization/24483
5056         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
5057         field to elts if possible.
5058
5059 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
5060
5061         PR middle-end/23155
5062         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
5063         CONSTRUCTOR.
5064
5065 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
5066
5067         Fix PR tree-optimization/24351
5068
5069         * tree-ssa-structalias.c (struct variable_info): Add
5070         collapsed_into.
5071         (get_varinfo_fc): New function to follow collapsing.
5072         (new_var_info): Set collapsed_to to NULL.
5073         (dump_constraint): Follow collapsing.
5074         (build_constraint_graph): Handle collapsing.
5075         (do_simple_structure_copy): Return false if something bad
5076         happened.
5077         (collapse_rest_of_var): New function.
5078         (do_structure_copy): Collapse if do_simple_structure_copy returns
5079         false.
5080
5081 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
5082
5083         PR middle-end/24589
5084         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
5085         expressions to a statement list instead of gimplifying them.
5086
5087 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5088
5089         PR rtl-optimization/23585
5090         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
5091         that can't trap plus a constant integer, if the mode has zero size.
5092
5093 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
5094
5095         PR target/24620
5096         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
5097         as operand 2.
5098         ("*insv<mode>_reg_extimm"): Likewise.
5099
5100 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
5101
5102         PR c/24329
5103         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
5104         c_common_type_for_mode returns an unnamed type.
5105
5106 2005-11-02  Richard Henderson  <rth@redhat.com>
5107
5108         PR target/9350
5109         PR target/24374
5110         * dwarf2out.c (dwarf2out_reg_save_reg): New.
5111         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
5112         * function.c (assign_parms): Use calls.internal_arg_pointer.
5113         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
5114         code.
5115         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
5116         (TARGET_CALLS): Add it.
5117         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
5118         * targhooks.c (default_internal_arg_pointer): New.
5119         * targhooks.h (default_internal_arg_pointer): Declare.
5120         * tree.h (dwarf2out_reg_save_reg): Declare.
5121         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
5122         * config/i386/i386.c (dbx_register_map): Add return column.
5123         (dbx64_register_map, svr4_dbx_register_map): Likewise.
5124         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
5125         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
5126         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
5127         (ix86_save_reg): Save force_align_arg_pointer.
5128         (ix86_emit_save_regs): Make regno unsigned.
5129         (ix86_emit_save_regs_using_mov): Likewise.
5130         (ix86_expand_prologue): Handle force_align_arg_pointer.
5131         (ix86_expand_epilogue): Likewise.
5132         * config/i386/i386.h: (dbx_register_map): Update.
5133         (dbx64_register_map, svr4_dbx_register_map): Update.
5134         (struct machine_function): Add force_align_arg_pointer.
5135         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
5136         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
5137         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
5138
5139 2005-11-02  Jan Hubicka  <jh@suse.cz>
5140
5141         PR target/23303
5142         * i386.md: Add peep2 for simplyfing array accesses.
5143
5144 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
5145
5146         PR target/24615
5147         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
5148         * config/s390/s390.c (s390_decompose_shift_count): New function.
5149         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
5150         (print_shift_count_operand): Use s390_decompose_shift_count.
5151         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
5152         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
5153
5154 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
5155
5156         PR target/24600
5157         * loop.c (loop_givs_rescan): Use force_operand to expand
5158         complex GIVs.
5159
5160 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
5161
5162         PR 22429
5163         * fold-const.c (build_range_check): Use unsigned when signed
5164         overflow is undefined also.  If etype is subtype, make sure that
5165         the subtraction is in the supertype.
5166
5167 2005-11-02  Richard Henderson  <rth@redhat.com>
5168
5169         PR target/24178
5170         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
5171         by MEM_ALIGN.
5172
5173 2005-11-01  Richard Henderson  <rth@redhat.com>
5174
5175         PR 21518
5176         * loop.c (scan_loop): Do not propagate computations to a hard
5177         register destination with SMALL_REGISTER_CLASSES.
5178
5179 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
5180
5181         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
5182         costs for MULT inside PLUS or MINUS.
5183
5184 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
5185
5186         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
5187         (TRAMPOLINE_SIZE): Round up to 60.
5188         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
5189
5190 2005-10-31  James E. Wilson  <wilson@specifix.com>
5191
5192         PR debug/24444
5193         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
5194         ifdef.  Put ifdefs around call in gen_subprogram_die.
5195         (compute_frame_pointer_to_cfa_displacement): Likewise.
5196         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
5197         not defined.
5198
5199         PR rtl-optimization/17356
5200         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
5201         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
5202
5203 2005-10-31  Jan Hubicka  <jh@suse.cz>
5204
5205         PR middle-end/24093
5206         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
5207
5208         PR target/20928
5209         * i386.c (legitimize_pic_address): Deal with large immediates.
5210
5211         PR profile/20815
5212         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
5213         from symbol names while computing checkup.
5214
5215         PR profile/24487
5216         * predict.c (predict_loops): Do not estimate more than
5217         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
5218         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
5219
5220 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
5221
5222         PR tree-optimization/19097
5223         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
5224
5225 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
5226
5227         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
5228
5229 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
5230
5231         PR middle-end/23492
5232         * tree-inline.c (setup_one_parameter): If the init_stmt
5233         is NULL, don't insert the statement.
5234
5235 2005-10-30  Jan Hubicka  <jh@suse.cz>
5236
5237         PR tree-optimization/24172
5238         * tree-inline.c (copy_body_r): Unshare the substituted value first.
5239
5240 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
5241
5242         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
5243         constants for hosts with long != 32 bits.
5244
5245 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
5246
5247         PR middle-end/24093
5248         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
5249
5250 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
5251
5252         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
5253         (TARGET_MS1_16_002): New.
5254         (TARGET_MS1_16_003): New.
5255
5256         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
5257         ("*decrement_and_branch_until_zero_no_clobber"): New.
5258         Add corresponding splitter for decrement_and_branch_until_zero
5259         instruction.
5260         Key all decrement_and_branch_until_zero patterns off of
5261         TARGET_MS1_16_003.
5262
5263 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
5264
5265         PR middle-end/24362
5266         * tree-complex.c (extract_component): Treat RESULT_DECL
5267         like the rest of the decls.
5268
5269 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
5270
5271         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
5272         indirect call to _mcount if the function needs a static chain.
5273
5274 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
5275             Caroline Tice  <ctice@apple.com>
5276
5277         PR rtl-optimization/24460
5278         * dwarf2out.c (have_switched_text_sections): New boolean variable.
5279         (dwarf2out_switch_text_section): Set it to true instead of
5280         incrementing separate_line_info_table_in_use.
5281         (output_loc_list): Additionally test have_switched_text_sections.
5282         (output_ranges): Likewise.
5283         (dwarf2out_finish): Likewise.
5284         * varasm.c (assemble_start_function): Do not call
5285         insert_section_boundary_note.
5286         (assemble_end_function): If flag_reorder_blocks_and_partition,
5287         switch to the function's section before emitting the .size directive.
5288         * bb-reorder.c (insert_section_boundary_note): Staticify.
5289         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
5290         * output.h (insert_section_boundary_note): Delete.
5291
5292 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
5293
5294         PR c/23103
5295         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
5296         instead of pointer equality when comparing types.
5297
5298 2005-10-24  James E. Wilson  <wilson@specifix.com>
5299
5300         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
5301         add_dependence_list_and_free calls.
5302
5303 2005-10-24  Steven Bosscher  <stevenb@suse.de>
5304
5305         * contrib.texi: Add the names of the LLNL folks who donated
5306         Cray pointer support for gfortran.
5307
5308 2005-10-24  Steven Bosscher  <stevenb@suse.de>
5309
5310         PR tree-optimization/24225
5311         * profile.c (branch_prob): Look from end to start through a
5312         basic block when looking for a locus.
5313
5314 2005-10-24  Richard Henderson  <rth@redhat.com>
5315
5316         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
5317         parallel.
5318         (hppa_expand_prologue): Likewise.
5319
5320 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5321
5322         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
5323         (NO_DEFERRED_PROFILE_COUNTERS): Define.
5324         * pa.h (NO_PROFILE_COUNTERS): Define.
5325         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
5326         (funcdef_nos): New vector to hold label numbers of deferred profile
5327         counters.
5328         (output_deferred_profile_counters): New function.
5329         (hppa_profile_hook): Push label number onto funcdef_nos.
5330         (pa_hpux_file_end): Call output_deferred_profile_counters if
5331         NO_DEFERRED_PROFILE_COUNTERS is false.
5332
5333         * pa-protos.h (get_deferred_plabel): New prototype.
5334         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
5335         Make global.
5336         (output_call): Adjust calls.
5337
5338 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
5339
5340         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
5341         peculiarity of GOT/TOC section usage.
5342
5343 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
5344
5345         PR objc/24435
5346          * c-common.c (constant_string_class_name): Add documentation.
5347
5348 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
5349
5350         PR target/23832
5351         * recog.c (peephole2_optimize): Increment peep2_current_count
5352         only when the slot is empty.
5353
5354 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5355
5356         PR ada/23957
5357         * except.c (output_function_exception_table): Call
5358         assemble_external_libcall if we need a personality function.
5359
5360 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5361
5362         PR rtl-optimization/24460
5363         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
5364         set the basic block for barriers.
5365
5366 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
5367
5368         * var-tracking.c (vt_initialize): Initialize post.
5369
5370 2005-10-21  Devang Patel  <dpatel@apple.com>
5371
5372         PR/24220
5373         * c-common.c (vector_types_convertible_p): Check vector element type.
5374
5375 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
5376
5377         * config/sh/sh.c (prepare_move_operands): Handle the address
5378         constant which is a tls symbolic address plus a constant.
5379
5380 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
5381
5382         PR driver/24473
5383         * gcc.c (main): Use the correct counter for erroring out
5384         about mulitple files.
5385
5386 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
5387
5388         PR target/24465
5389         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
5390         use r2 for 64-bit tls .got access.
5391
5392 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
5393
5394         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
5395         TRUTH_OR_EXPR.
5396
5397 2005-10-20  Steven Bosscher  <stevenb@suse.de>
5398
5399         PR tree-optimization/24307
5400         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
5401
5402 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
5403
5404         PR middle-end/24295
5405         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
5406         alias targets.
5407         * varasm.c (find_decl_and_mark_needed): After cgraph global info
5408         is ready, stop marking functions, but still mark variables.
5409
5410 2005-10-20  Richard Guenther  <rguenther@suse.de>
5411
5412         PR c++/24439
5413         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
5414         void type operands.
5415
5416 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
5417
5418         PR rtl-optimization/23585
5419         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
5420         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
5421         (may_trap_p_1): New predicate extracted from...
5422         (may_trap_p): ... here.  Invoke may_trap_p_1.
5423         (may_trap_or_fault_p): New predicate.
5424         * rtl.h (may_trap_or_fault_p): Declare it.
5425         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
5426         instead of may_trap_p.
5427         (steal_delay_list_from_fallthrough): Likewise.
5428         (fill_simple_delay_slots): Likewise.
5429         (fill_slots_from_thread): Likewise.
5430         * function.c (pad_to_arg_alignment): Rework comment about
5431         SPARC_STACK_BOUNDARY_HACK.
5432         * config/sparc/sparc.h: Likewise.
5433
5434 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
5435
5436         * config/s390/s390.c (s390_expand_insv): New.
5437         * config/s390/s390-protos.h (s390_expand_insv): Declare.
5438         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
5439         ("icm_hi"): Remove mode attribute.
5440         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
5441         Adjust all uses.
5442         ("*extracthi", "*extractqi"): Remove.
5443         (extv<mode>", "*extzv<mode>"): New.
5444         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
5445         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
5446
5447 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5448
5449         * cfgexpand.c (discover_nonconstant_array_refs_r,
5450         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
5451         (tree_expand_cfg): Call discover_nonconstant_array_refs.
5452         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5453         discover_nonconstant_array_refs.
5454
5455 2005-10-19  Steven Bosscher  <stevenb@suse.de>
5456
5457         PR c/23228
5458         * c-decl.c (pop_scope): Don't warn about an unused variable
5459         if it is marked with TREE_NO_WARNING.
5460         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
5461         somenow mismatch and olddecl is to be replaced.
5462
5463 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
5464
5465         PR middle-end/23199
5466         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5467         whether registers live on the edge can be saved/restored.
5468
5469 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
5470
5471         * config/sh/sh.c (fixup_mova): Skip notes.
5472
5473 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5474
5475         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
5476         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
5477         (s390_can_eliminate): Handle BASE_REGNUM elimination.
5478         (s390_initial_elimination_offset): Likewise.
5479         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
5480         register on TARGET_ZARCH targets.
5481         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
5482         (INITIAL_FRAME_POINTER_OFFSET): Remove.
5483         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
5484         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
5485
5486 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5487
5488         * config/s390/s390.md: Comment describing output modifiers updated.
5489         * config/s390/s390.c (print_operand): Likewise.
5490
5491 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5492
5493         * config/s390/s390.c (override_options): Added check for -mstack-size
5494         64k limitation.
5495         * doc/invoke.texi: Mention that limit in the documenation.
5496
5497 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
5498
5499         PR #19672
5500         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5501
5502 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
5503
5504         Fix PR tree-optimization/24231
5505
5506         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5507         (compute_avail): Ditto.
5508
5509 2005-10-18  Richard Henderson  <rth@redhat.com>
5510
5511         PR target/24428
5512         * config/i386/i386.c (legitimate_constant_p): Check
5513         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
5514         if LABEL_REF.
5515         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5516         (legitimate_pic_address_disp_p): Reorg CONST checking to make
5517         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
5518         directly.
5519         (print_operand_address): Likewise.
5520         * config/i386/predicates.md (x86_64_immediate_operand): Test
5521         SYMBOL_REF_TLS_MODEL properly inside CONST.
5522         (x86_64_zext_immediate_operand): Likewise.
5523         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5524         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5525         * config/i386/i386-protos.h: Remove predicates.md entries.
5526
5527 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
5528
5529         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5530         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5531
5532 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
5533             Ian Lance Taylor <ian@airs.com>
5534
5535         PR middle-end/23522
5536         * fold-const.c (fold_widened_comparison): Do not allow range based
5537         constant folding when right operand cannot be unwidened.
5538
5539 2005-10-17  Richard Henderson  <rth@redhat.com>
5540
5541         * builtins.c (expand_builtin_synchronize): Build a new-style asm
5542         with a memory clobber.
5543
5544 2005-10-17  James E Wilson  <wilson@specifix.com>
5545
5546         PR rtl-optimization/17356
5547         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5548         checking for EDGE_EH.
5549
5550 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
5551
5552         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5553         the slot on an even boundary for any type with 16-byte alignment.
5554
5555 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
5556
5557         PR target/23424
5558         * md.texi (Modifiers) <%>: Clarify that % doesn't work
5559         after register allocation.
5560
5561 2005-10-17  DJ Delorie  <dj@redhat.com>
5562
5563         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5564         as frame related.
5565
5566 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
5567
5568         PR c++/22551
5569         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5570         overflow flags.
5571
5572 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
5573
5574         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5575         to 2 if it's already non-zero.
5576         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5577         is set and warn about it if flag_schedule_insns is 1.
5578
5579 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
5580
5581         * config/crx/crx.md: Compare-and-branch instructions need to
5582         invalidate CC.
5583
5584 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
5585
5586         PR target/24315
5587         * config/i386/i386.md (*pushdi2_rex64 splitter)
5588         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5589         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5590         flow2 pass only when (optimize > 0 && flag_peephole2).
5591
5592 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
5593
5594         PR driver/22544
5595         * gcc.c (have_c): New static variable.
5596         (have_o): Likewise.
5597         (process_command): Remove declation of have_c.
5598         Set have_o to 1 when handling -o.
5599         (main): Add a fatel error if there are multiple
5600         files specified and -o and -c/-S is passed witout
5601         -combine or multiple languages.
5602
5603 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
5604
5605         Fix PR tree-optimization/22444
5606         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5607         Assert that we don't hit something with subvars.
5608         (setup_pointers_and_addressables): Don't add things with subvars,
5609         because we'll already process the subvars for aliasing purposes.
5610
5611 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
5612
5613         PR target/23424
5614         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5615         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5616         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5617         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5618         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5619         swapped, alternatives for the R constraint.
5620
5621         PR middle-end/24341
5622         * builtins.c (get_builtin_sync_mode): Make unlimited
5623         mode_for_size request.
5624
5625 2005-10-15  Richard Henderson  <rth@redhat.com>
5626
5627         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5628         (gimplify_expr): ... here.
5629         (gimplify_compound_lval): Use it in initial scan loop.  Allow
5630         fb_lvalue in base expression.
5631
5632 2005-10-15  Richard Henderson  <rth@redhat.com>
5633
5634         PR 23714
5635         * builtins.c (expand_builtin_trap): Export.
5636         * expr.h (expand_builtin_trap): Declare.
5637         * expr.c (expand_assignment): Emit a trap for integral offsets
5638         from registers that weren't reduced to bitpos.
5639
5640         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5641         (mark_array_ref_addressable): Remove.
5642         * tree-flow.h (mark_array_ref_addressable): Remove.
5643         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5644
5645 2005-10-15  James E Wilson  <wilson@specifix.com>
5646
5647         PR target/24232
5648         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
5649         (add_dependence_list_and_free): Likewise.
5650         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5651         call.
5652
5653 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
5654
5655         PR 23141
5656         PR 23142
5657         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5658         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5659         anti-range.
5660         (vrp_visit_phi_node): Only prevent infinite iterations when
5661         the previous result and the new result are both VR_RANGEs.
5662
5663 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
5664
5665         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5666         function comment.
5667
5668 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5669
5670         PR c/23439
5671         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5672         to initialize loc.
5673
5674 2005-10-14  Per Bothner  <per@bothner.com>
5675
5676         PR preprocessor/21250
5677         * c-ppoutput.c (print_line): Print internal line 0 as 1.
5678
5679 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
5680
5681         PR c++/22551
5682         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5683         overflow flags.  Refactor some conditionals.
5684
5685 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
5686
5687         PR tree-opt/21304
5688         * tree-dfa.c (add_referenced_var): Only look at decls which
5689         have TREE_CONSTANT or TREE_READONLY set instead of if
5690         !TREE_PUBLIC or !TREE_CONSTANT.
5691
5692 2005-10-13  James E Wilson  <wilson@specifix.com>
5693
5694         * doc/invoke.texi: For -x, add f95-cpp-input.
5695         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5696
5697 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5698
5699         PR tree-optimization/24262
5700         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5701         in loop all the time.
5702
5703 2005-10-12  Richard Henderson  <rth@redhat.com>
5704
5705         PR c/24255
5706         * tree.h (DECL_TRANSPARENT_UNION): Remove.
5707         * function.c (assign_parm_find_data_types): Don't support it.
5708         * print-tree.c (print_node): Likewise.
5709         * c-common.c (handle_transparent_union_attribute): Likewise.
5710         Use build_duplicate_type.
5711         * tree-inline.c (remap_type_1): Split out of remap_type;
5712         properly remap aggregate fields.
5713         (build_duplicate_type): New.
5714         * doc/extend.texi (Variable Attributes): Remove documentation
5715         for transparent_union.
5716
5717 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5718
5719         PR target/24284
5720         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5721         (gen_stack_pointer_dec): Likewise.
5722
5723 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
5724
5725         PR middle-end/21275
5726         PR middle-end/21766
5727         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5728         target hook.
5729         (struct cxx): Add adjust_class_at_definition target hook.
5730         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5731         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5732         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5733         hook_void_tree. Add to TARGET_CXX.
5734         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5735         dllimport_flag.
5736         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5737         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5738         instead of attribute. Check for dllexport override.  Warn if
5739         inconsistent dll linkage. Don't lose old dllimport if decl has
5740         had address referenced.   Tweak lookup of dllimport atribute.
5741         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5742         for target specific rules.  Don't add dllimport attribute if
5743         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
5744         dllimport attribute.
5745         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5746         * varasm.c (initializer_constant_valid_p): Replace
5747         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5748
5749         PR target/21801
5750         PR target/23589
5751         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5752         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5753         (i[34567]86-*-mingw32*): Likewise.
5754
5755         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5756         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5757
5758         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5759         C++-specific code. Change return value to bool.
5760         (i386_pe_dllimport_p): Likewise.
5761         (associated_type): Simplify and make language-independent
5762         (i386_pe_encode_section_info): Replace override of ambiguous
5763         dllimport symbol refs with a gcc_assert.
5764         (i386_pe_valid_dllimport_attribute_p): Define.
5765         * config/i386/winnt-cxx.c: New file. Define C++ versions of
5766         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5767         i386_pe_adjust_class_at_definition.
5768         * config/i386/winnt-stubs.c: New file. Define stub versions of
5769         lang-specific functions.
5770         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5771         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5772         i386_pe_adjust_class_at_definition.
5773         (i386_pe_valid_dllimport_attribute_p): Declare.
5774         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5775         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5776         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5777
5778         PR target/19704
5779         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5780         dllimport attribute with test of DECL_DLLIMPORT_P.
5781
5782 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
5783
5784         * combine.c (make_extraction): Correct offset computation.
5785
5786 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
5787
5788         * config/cris/t-linux (LIMITS_H_TEST): Define.
5789
5790 2005-10-12  Richard Henderson  <rth@redhat.com>
5791
5792         PR rtl-opt/23324
5793         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5794
5795 2005-10-12  Richard Guenther  <rguenther@suse.de>
5796
5797         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5798
5799 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
5800
5801         PR c++/19964
5802         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5803         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5804         type.
5805
5806 2005-10-12  Richard Guenther  <rguenther@suse.de>
5807
5808         PR c++/23799
5809         * varasm.c (output_constant): Correct typo from previous
5810         patch by DJ.
5811
5812 2005-10-11  Ian Lance Taylor  <ian@airs.com>
5813
5814         PR rtl-optimization/13931
5815         * combine.c: Revert patch of 2003-05-14, and:
5816         (try_combine): Only set elim_i1 and elim_i2 if the destination is
5817         completely killed in the appropriate insn.
5818         (distribute_notes): Don't skip multiple hard register test for
5819         elim_i1 and elim_i2.
5820
5821 2005-10-11  Richard Henderson  <rth@redhat.com>
5822
5823         PR c/24255
5824         * c-typeck.c (convert_for_assignment): Use build_constructor_single
5825         to initialize a transparent union instead of a nop_expr.
5826
5827 2005-10-11  Richard Henderson  <rth@redhat.com>
5828
5829         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5830         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5831         (tree_ssa_dce_loop): Call scev_reset.
5832
5833         PR tree-opt/24300
5834         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5835         * tree-ssa-dce.c: Include cfgloop.h.
5836         (tree_ssa_dce_loop, pass_dce_loop): New.
5837         * tree-pass.h (pass_dce_loop): Declare it.
5838         * passes.c (init_optimization_passes): Use it.
5839
5840 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
5841
5842         PR middle-end/24263
5843         * convert.c (convert_to_real): Revert 2005-10-05 patch.
5844         Only apply the optimization for rounding builtins if the inner
5845         cast is also an extension.
5846
5847 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
5848
5849         PR tree-opt/23946
5850         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5851         mark_new_vars_to_rename instead of update_stmt.
5852
5853 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5854
5855         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5856
5857 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
5858
5859         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5860         for setting MMX register to 0 rather than mmx.
5861
5862 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
5863
5864         PR target/12098
5865         * configure.ac: Move gas check from mips specific case to common case.
5866         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5867         * configure: Regenerate
5868         * doc/install.texi: Update.
5869
5870 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5871
5872         PR target/24284
5873         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5874
5875 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
5876
5877         * gcc.c (do_spec_1): Accept numeric characters in file name
5878         suffixes.
5879
5880 2005-10-10  Nick Clifton  <nickc@redhat.com>
5881
5882         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
5883         describing the deleted arm_gen_rotated_half_load function.
5884
5885 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5886
5887         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5888         __fpscr_values.
5889
5890 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
5891
5892         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5893         gnu_ld assignments.
5894         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5895         (EXTRA_MULTILIB_PARTS): Define.
5896         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5897         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5898         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5899         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5900         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5901         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5902
5903 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
5904
5905         PR tree-optimization/24226
5906         * tree-cfg.c (remove_bb): Clean up unreachable loops.
5907         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5908         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5909         Export.
5910
5911 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
5912
5913         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5914
5915 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
5916
5917         PR target/24136
5918         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5919         Rewrite for no need for the early clobber.
5920
5921 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5922
5923         Merge from csl-arm-branch:
5924         2005-09-07  Paul Brook  <paul@codesourcery.com>
5925         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5926         space to string.
5927
5928         2005-04-30  Paul Brook  <paul@codesourcery.com>
5929         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5930         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5931
5932         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
5933         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5934         (arm_override_options): Use TARGET_AAPCS_BASED.
5935         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5936         (PTRDIFF_TYPE): Use int for AAPCS.
5937         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5938         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5939         (DEFAULT_SHORT_ENUMS): Delete.
5940         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5941
5942         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
5943         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5944         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5945         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5946
5947         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
5948         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5949
5950         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
5951         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5952
5953         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
5954         * config.gcc (arm*-*-linux-gnueabi): Add it.
5955         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5956         redefining it.
5957         (TARGET_OS_CPP_BUILTINS): Likeiwse.
5958         * config/arm/linux-eabi.h: New file.
5959         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5960         (LINUX_TARET_LINK_SPEC): Likewise.
5961         (LINK_SPEC): Use it.
5962         * config/arm/t-linux-eabi: New file.
5963
5964 2005-10-08  Steven Bosscher  <stevenb@suse.de>
5965
5966         PR other/22202
5967         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5968         spaces.
5969         (PARAM_SMS_DFA_HISTORY): Likewise.
5970
5971 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5972
5973         PR middle-end/23150
5974         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5975         (load_register_parameters): Call it.
5976         (check_sibcall_argument_overlap_1): Likewise.
5977         (store_one_arg): Likewise.
5978
5979 2005-10-07  James E. Wilson  <wilson@specifix.com>
5980
5981         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5982         DImode not VECINT24 for operand 2.
5983
5984         PR target/23644
5985         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5986         -mtune-arch.
5987
5988         PR target/24193
5989         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5990         fr_spill): Use destination_operand for operand 0.
5991
5992 2005-10-07  DJ Delorie  <dj@redhat.com>
5993
5994         * varasm.c (output_constant): Limit error to expanding
5995         conversions.
5996
5997 2005-10-07  Richard Guenther  <rguenther@suse.de>
5998
5999         PR middle-end/24227
6000         * fold-const.c (fold_binary): Fix operand types during folding
6001         of X op (A, Y).  Evaluation order of the side-effects of
6002         X and A are frontend-defined, so ensure we honour that even for
6003         tcc_comparison class operands; eased by removing duplicate code.
6004
6005 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
6006
6007         * stor-layout.c (layout_type): Do not allow alignment of array
6008         elements to be greater than their size.
6009
6010 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
6011
6012         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
6013         host_xmake_file.
6014         (hppa*-*-linux*): Ditto.
6015         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
6016         * config/host-hpux.c: New.
6017         * config/x-hpux: New.
6018         * config/pa/x-hpux: Remove.
6019         * config/pa/x-linux: Remove.
6020         * config/pa/pa-host.c: Remove.
6021
6022 2005-10-07  Jeff Law  <law@redhat.com>
6023
6024         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
6025         determine whether or not to try and thread outgoing edges.
6026
6027 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
6028
6029         * config/rs6000/rs6000.md (eqsi_power): New.
6030         (neg_eq0si): Add TARGET_POWER to final condition.
6031         (neg_eqsi): Same.
6032
6033 2005-10-06  Richard Henderson  <rth@redhat.com>
6034
6035         * config/rs6000/rs6000.c: Revert last change.
6036
6037 2005-10-06  Richard Henderson  <rth@redhat.com>
6038
6039         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
6040         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
6041
6042 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
6043
6044         PR middle-end/22216
6045         PR middle-end/23651
6046         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
6047         out return_label and naked_return_label.
6048
6049 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
6050
6051         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
6052         change.
6053
6054 2005-10-06  Richard Henderson  <rth@redhat.com>
6055
6056         PR tree-opt/22237
6057         * tree-inline.c (declare_return_variable): Handle modify_dest not
6058         being a DECL.
6059
6060 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
6061
6062         Fix PR tree-optimization/22488
6063         * tree-ssa-structalias.c (check_for_overlaps): New function.
6064         (create_variable_info_for): Use it.
6065
6066 2005-10-06  Richard Henderson  <rth@redhat.com>
6067
6068         PR debug/24070
6069         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
6070         (dwarf2out_start_source_file): Print it.
6071
6072 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
6073
6074         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
6075
6076 2005-10-06  Richard Henderson  <rth@redhat.com>
6077
6078         PR 23706
6079         * mode-switching.c (optimize_mode_switching): Clear transp bit
6080         for block with incomming abnormal edges.
6081
6082         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
6083         (fpscr_set_from_mem): Use them.
6084         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
6085         (fpscr postinc splitters): Rewrite as peephole2+split.
6086
6087 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
6088
6089         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
6090         (eq<mode>_compare): Same.
6091
6092 2005-10-06  Richard Guenther  <rguenther@suse.de>
6093
6094         PR tree-optimization/24238
6095         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
6096
6097 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
6098
6099         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
6100         here.  Use AC_PATH_PROG for environment variables instead of
6101         test -x.
6102         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
6103         objdump also.
6104         * configure: Regenerated.
6105
6106 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
6107
6108         PR target/23783
6109         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
6110         then force it into a register.
6111         (call_value): Likewise.
6112
6113 2005-10-06  Richard Henderson  <rth@redhat.com>
6114
6115         PR 24049
6116         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
6117         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
6118         under pass_vectorize.
6119
6120 2005-10-05  Devang Patel  <dpatel@apple.com>
6121
6122         PR Debug/23205
6123         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
6124         handling constants. Check NAMESPACE_DECL context for constants.
6125
6126 2005-10-05  Eric Christopher  <echristo@apple.com>
6127
6128         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
6129
6130 2005-10-05  Richard Henderson  <rth@redhat.com>
6131
6132         PR 23714
6133         * tree-cfg.c (mark_array_ref_addressable_1): New.
6134         (mark_array_ref_addressable): New.
6135         * tree-flow.h (mark_array_ref_addressable): Declare.
6136         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
6137
6138 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
6139
6140         PR middle-end/20606
6141         PR middle-end/24069
6142         * reload.c (subst_reloads): When adding a REG_LABEL to a
6143         jump instruction, also update JUMP_LABEL.
6144
6145 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
6146
6147         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
6148         * bb-reorder.c (copy_bb_p): Use it.
6149         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
6150
6151 2005-10-05  Richard Henderson  <rth@redhat.com>
6152
6153         PR target/23602
6154         * toplev.c (process_options): Warn about unsupported combinations
6155         of unwind tables and omit-frame-pointer.
6156         * config/i386/i386.c (override_options): Similarly.  Enable
6157         accumulate-outgoing-args if not explicitly disabled.
6158
6159 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
6160
6161         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
6162         Handle big endian vs. small endian.
6163         (vec_initv2sf): Handle big endian vs. small endian.
6164         (*vec_extractv2sf_1): Ditto.
6165
6166 2005-10-05  Dale Johannesen  <dalej@apple.com>
6167
6168         * convert.c (convert_to_real):  Don't convert
6169         (float)floor(double d) to floorf((float)d).
6170
6171 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
6172
6173         * config/arm/arm.md (insv): Use gen_int_mode in more places.
6174
6175 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
6176
6177         PR tree-optimization/18587
6178         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
6179         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
6180         build_vuses): Change to VEC type.
6181         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
6182         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
6183         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
6184         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
6185         (get_name_decl): New.  Return DECL_UID of base variable.
6186         (operand_build_cmp): New.  qsort comparison routine.
6187         (operand_build_sort_virtual): New.  Sort virtual build vector.
6188         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
6189         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
6190         (FINALIZE_BASE): Use get_name_decl.
6191         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
6192         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
6193         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
6194         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
6195         direct VEC_* manipulations.
6196         (build_ssa_operands): Call operand_build_sort_virtual.
6197         (copy_virtual_operand, create_ssa_artficial_load_stmt,
6198         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
6199         with direct VEC_* manipulations.
6200         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
6201         with direct VEC manipulations.
6202
6203 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
6204
6205         PR tree-optimization/21419
6206         PR tree-optimization/24146
6207         PR tree-optimization/24151
6208
6209         * c-typeck.c (readonly_error): Handle USE being lv_asm.
6210         (build_asm_expr): Call it if outputs are read-only.
6211         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
6212
6213 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
6214             Paolo Bonzini  <bonzini@gnu.org>
6215
6216         PR target/23809
6217
6218         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
6219         enable the instructions and not just the built-ins.
6220         * doc/invoke.texi (x86 Options): Likewise.
6221
6222 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
6223
6224         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
6225
6226         * doc/invoke.texi (Option Summary): Correct spelling
6227         of -mmacosx-version-min.
6228
6229 2005-10-04  Devang Patel  <dpatel@apple.com>
6230
6231         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
6232         real types.
6233
6234 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
6235
6236         * tree-vect-transform.c (vect_create_epilog_for_reduction):
6237         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
6238
6239 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
6240
6241         * config/s390/s390.md ("TDSI","DP"): New mode macros.
6242         ("TE","tg"): New mode attributes.
6243         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
6244         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
6245         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
6246         dword_mode and one for GPRmode.
6247
6248 2005-10-04  Ian Lance Taylor  <ian@airs.com>
6249
6250         PR preprocessor/13726
6251         * c-ppoutput.c (cb_include): Add comments parameter, and print out
6252         any comments passed in.
6253
6254 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6255
6256         * tree.c (annotate_with_file_line): Fix typo.
6257
6258 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6259
6260         PR ada/19382
6261         * builtins.c (fold_builtin_memcmp): When constructing the pointer
6262         type used to access data in the inlined length == 1 case, use
6263         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
6264         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
6265
6266 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
6267
6268         * config/i386/i386.h (TARGET_FISTTP): Enable also for
6269         TARGET_SSE3 and only for TARGET_80387.
6270         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
6271         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
6272         Do not depend on TARGET_80387.
6273
6274 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6275
6276         * tree.c (last_annotated_node): Change type to location_t*.
6277         (annotate_with_file_line): Reflect the change of
6278         last_annotated_node type.
6279
6280 2005-10-04  Richard Guenther  <rguenther@suse.de>
6281
6282         PR c/23576
6283         * c-decl.c (grokdeclarator): Don't write to fields
6284         of error_mark_node.
6285
6286 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6287
6288         PR middle-end/23125
6289         * c-decl.c (finish_decl): Use set_user_assembler_name even for
6290         register variables.
6291         * varasm.c (make_decl_rtl): If a register variable does not
6292         have a set user assmbler name, error out.
6293         Decode the asmspec is now name+1 bypassing '*'.
6294
6295 2005-10-04  Steven Bosscher  <stevenb@suse.de>
6296
6297         PR tree-optimization/23049
6298         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
6299         of a COND_EXPR is folded before calling fold on the whole rhs of a
6300         conditional assignment.
6301         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
6302         document that a COND_EXPR may appear there.
6303
6304 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
6305
6306         PR 23445
6307         * tree-vrp.c (extract_range_from_assert): If the new numeric
6308         range created out of the assertion contradicts the existing
6309         numeric range of the ASSERT_EXPR variable, make the new range
6310         varying.
6311
6312 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6313
6314         * config/sh/sh.c (sh_register_move_cost): Add case for moving
6315         from T_REGS to FP register class.
6316
6317 2005-10-03  Richard Henderson  <rth@redhat.com>
6318
6319         PR 24135
6320         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
6321         before creating a new one.
6322
6323 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
6324
6325         * config/rs6000/t-aix43 (LDFLAGS): New.
6326         * config/rs6000/t-aix52 (LDFLAGS): New.
6327
6328 2005-10-03  Ian Lance Taylor  <ian@airs.com>
6329
6330         * gimplify.c (find_single_pointer_decl_1): New static function.
6331         (find_single_pointer_decl): New static function.
6332         (internal_get_tmp_var): For a formal variable, set restrict base
6333         information if appropriate.
6334         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
6335         return it.
6336         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
6337         (DECL_GET_RESTRICT_BASE): Define.
6338         (SET_DECL_RESTRICT_BASE): Define.
6339         (decl_restrict_base_lookup): Declare.
6340         (decl_restrict_base_insert): Declare.
6341         (struct tree_decl_with_vis): Add based_on_restrict_p field.
6342         * tree.c (restrict_base_for_decl): New static variable.
6343         (init_ttree): Initialize restrict_base_for_decl.
6344         (copy_node_stat): Copy restrict base information.
6345         (decl_restrict_base_lookup): New function.
6346         (decl_restrict_base_insert): New function.
6347         (print_restrict_base_statistics): New static function.
6348         (dump_tree_statistics): Call print_restrict_base_statistics.
6349
6350 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
6351
6352         PR 24142
6353         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
6354         case of anti-ranges.
6355
6356 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
6357
6358         PR c/18851
6359         * c-typeck.c (tagged_tu_seen): Rename to ...
6360         (tagged_tu_seen_cache): this and add val field.
6361         (comptypes): Move functional to comptypes_internal
6362         and free tagged_tu_seen.
6363         (comptypes_internal): New function and call comptypes_internal
6364         instead of comptypes. Speed up by sibcalling
6365         tagged_types_tu_compatible_p.
6366         (alloc_tagged_tu_seen): New function
6367         (free_all_tagged_tu_seen_up_to): New function.
6368         (tagged_types_tu_compatible_p): Return the val of the seen two
6369         types.
6370         Add that the two types are the same to tagged_tu_seen_base
6371         if they are and call comptypes_internal instead of comptypes.
6372         <case UNION_TYPE>: Speed up common type where the fields are
6373         in the same order.
6374         (function_types_compatible_p): Call comptypes_internal instead of
6375         comptypes.
6376         (type_lists_compatible_p): Likewise.
6377         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
6378
6379 2005-10-02  Matthias Klose  <doko@debian.org>
6380
6381         * doc/invoke.texi: Fix typo and speling error.
6382
6383 2005-10-01  Richard Henderson  <rth@redhat.com>
6384
6385         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
6386
6387 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
6388
6389         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
6390         using --start-group and --end-group.
6391
6392 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
6393
6394         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
6395         FIXME note regarding quirky semantics.
6396
6397 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
6398
6399         PR 24141
6400         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
6401         non-null range as a last resort.
6402
6403 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
6404             Diego Novillo  <dnovillo@redhat.com>
6405
6406         PR 23604
6407         * tree-vrp.c (extract_range_from_assert): For !=
6408         assertions, only build an anti-range if LIMIT is a
6409         single-valued range.
6410
6411 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
6412
6413         * arm.md (movqi): On thumb when optimizing, handle loading from
6414         memory by describing this as taking a subreg of a zero-extended load
6415         into an SImode register.
6416         (movhi): Likewise.
6417
6418 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
6419
6420         * reload1.c (merge_assigned_reloads): Do not change any
6421         RELOAD_FOR_OUTPUT_ADDRESS reloads.
6422
6423 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
6424
6425         * Makefile.in (LIPO_FOR_TARGET): Define.
6426         (STRIP_FOR_TARGET): Define.
6427
6428         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
6429         before creating new ones.  Do symlinks before creating the actual
6430         targets.
6431
6432         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
6433         to work out which multilibs are actually being built.
6434
6435 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
6436
6437         * tree-vect-transform.c, config/ms1/ms1.md,
6438         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
6439         Follow spelling conventions.
6440         * doc/invoke.texi, doc/md.texi: Fix typos.
6441
6442 2005-09-30  Andrew Macleod  <amacleod@redat.com>
6443
6444         PR tree-optimization/21430
6445         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
6446         use operands, and set stmt pointer if need be.
6447         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
6448         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
6449         present.
6450
6451 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6452
6453         PR middle-end/24053
6454         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
6455
6456 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
6457
6458         * optabs.c (expand_binop): Initialize first_pass_p.
6459
6460 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
6461
6462         PR middle-end/24109
6463         * c-decl.c (c_write_global_declarations_1): If any
6464         wrapup_global_declaration_2 call returned true, restart the loop.
6465
6466 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
6467
6468         Fix PR tree-optimization/24117
6469         * tree-ssa-structalias.c (find_func_aliases): Strip nops
6470         before considering whether to use anyoffset.
6471
6472 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6473
6474         Revert this patch:
6475
6476         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6477
6478         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6479         to order operands.
6480         (swap_commutative_operands_with_target): New.
6481
6482 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6483
6484         PR c/21419
6485         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
6486         read-only.
6487
6488 2005-09-29  Steven Bosscher  <stevenb@suse.de>
6489
6490         PR tree-optimization/23911
6491         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
6492         and IMAGPART_EXPR too.
6493
6494 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
6495
6496         PR 17886
6497         * expmed.c (expand_shift): Move logic to reverse rotation
6498         direction when  rotating by constants ...
6499         * optabs.c (expand_binop): ... here.
6500         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6501         (ix86_rotrdi3): New pattern.
6502         (rotldi3): Handle 32-bit mode.
6503         (ix86_rotldi3): New pattern.
6504
6505 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
6506
6507         PR target/24102
6508         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6509         check for numbers that need no bit twiddle.
6510
6511 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
6512
6513         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6514         multilib to be built.
6515
6516         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6517         (stage1-start): Delete old libgcc and libunwind before moving
6518         anything into the stage directory.
6519         (stage2-start): Likewise.
6520         (stage3-start): Likewise.
6521         (stage4-start): Likewise.
6522         (stageprofile-start): Likewise.
6523         (stagefeedback-start): Likewise.
6524         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6525         header in tm_file and CPU-specific t-darwin in tmake_file.
6526         (i[34567]86-*-darwin*): Don't change tm_file.
6527         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6528         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6529         shared library stub for target OS version.
6530         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6531         (SHLIB_LINK): Don't make SHLIB_SOLINK.
6532         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6533         (libgcc_s.%.dylib): New.
6534         (LIBGCC): Define.
6535         (install-darwin-libgcc-stubs): New.
6536         (INSTALL_LIBGCC): New append.
6537         * config/i386/darwin-libgcc.10.4.ver: New.
6538         * config/i386/darwin-libgcc.10.5.ver: New.
6539         * config/i386/t-darwin: New.
6540         * config/rs6000/darwin-libgcc.10.4.ver: New.
6541         * config/rs6000/darwin-libgcc.10.5.ver: New.
6542         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6543         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6544
6545 2005-09-28  Paul Brook  <paul@codesourcery.com>
6546
6547         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6548         denormals.
6549
6550 2005-09-28  Richard Guenther  <rguenther@suse.de>
6551
6552         PR tree-optimization/23853
6553         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6554         host_integerp to verify misalignment value.
6555
6556 2005-09-28  Richard Henderson  <rth@redhat.com>
6557
6558         * builtins.c (get_builtin_sync_mode): New.
6559         (expand_builtin_sync_operation): Pass in mode argument.
6560         (expand_builtin_compare_and_swap): Likewise.
6561         (expand_builtin_lock_test_and_set): Likewise.
6562         (expand_builtin_lock_release): Likewise.
6563         (expand_builtin): Update to match.
6564
6565 2005-09-28  Nick Clifton  <nickc@redhat.com>
6566
6567         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6568         formatting.  Add check to PLUS case to ensure that the offset is
6569         within an acceptable range.
6570
6571         * config/v850/v850.md (casesi): Disable the generation of the
6572         switch pattern as it is not being handled properly at the moment.
6573
6574         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6575         for when the high words are identical.
6576
6577 2005-09-27  Richard Henderson  <rth@redhat.com>
6578
6579         * pretty-print.c (pp_base_format): Fix typo for %>.
6580
6581 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
6582             Devang Patel  <dpatel@apple.com>
6583
6584         PR tree-optimization/23625
6585         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6586         LABEL_EXPR, assertion check.
6587
6588 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
6589
6590         * optabs.c (no_conflict_move_test): Check if a result of a
6591         to-be-moved insn would be clobbered by an originally
6592         preceding insn.
6593
6594 2005-09-27  Jeff Law  <law@redhat.com>
6595
6596         * passes.c (init_optimization_passes): Replace copy propagation
6597         passes immediately after DOM with phi-only copy propagation
6598         pases.  Add phi-only copy propagation pass after first DOM pass.
6599         * tree-pass.h (pass_phi_only_copy_prop): Declare.
6600         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6601         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6602         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
6603         to init_copy_prop.  Callers updated.
6604         (do_phi_only_copy_prop): New function.
6605         (pass_phi_only_copy_prop): New pass descriptor.
6606
6607 2005-09-27  Nick Clifton  <nickc@redhat.com>
6608
6609         * libgcc2.c (__popcount_tab): Remove redundant prototype.
6610
6611 2005-09-26  Jason Merrill  <jason@redhat.com>
6612
6613         PR c++/13764
6614         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6615
6616         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6617
6618 2005-09-26  James E Wilson  <wilson@specifix.com>
6619
6620         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6621         copyright.  Add gcc copyright plus libgcc exception.
6622         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
6623         copyright.
6624         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6625
6626 2005-09-26  Jeff Law  <law@redhat.com>
6627
6628         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6629         about when to iterate.
6630
6631 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
6632
6633         PR target/23847
6634         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6635         for __complex__ double in -mcpu=G5 mode.
6636
6637 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
6638
6639         PR tree-optimization/23942
6640         * Makefile.in (SCEV_H): Depends on PARAMS_H.
6641         * tree-scalar-evolution.c: Include params.h.
6642         (t_bool): New enum.
6643         (follow_ssa_edge, follow_ssa_edge_in_rhs,
6644         follow_ssa_edge_in_condition_phi_branch,
6645         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6646         Change return type to t_bool.  Use a parameter to limit the size of
6647         trees that are walked before stopping
6648         (analyze_evolution_in_loop): Initialize the limit to 0.
6649         (follow_ssa_edge): Give up by returning t_dont_know if the limit
6650         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6651
6652 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6653
6654         PR middle-end/23831
6655         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6656         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6657
6658 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
6659
6660         * combine.c (make_extraction): Check for valid use of subreg.
6661
6662 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6663
6664         PR target/24055
6665         * config/i386/i386.md ("*fistdi2_1"): New pattern.
6666         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6667         ("fist<mode>2_with_temp"): Use only register operands.
6668
6669 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
6670
6671         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6672         CALL_INSN_FUNCTION_USAGE.
6673
6674 2005-09-26  Richard Guenther  <rguenther@suse.de>
6675
6676         PR middle-end/15855
6677         * gcse.c: Include hashtab.h, define ldst entry hashtable.
6678         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6679         (ldst_entry): Use the hashtable instead of list-walking.
6680         (find_rtx_in_ldst): Likewise.
6681         (free_ldst_entry): Free the hashtable.
6682         (compute_ld_motion_mems): Create the hashtable.
6683         (trim_ld_motion_mems): Remove entry from hashtable if
6684         removing it from list.
6685         (compute_store_table): Likewise^2.
6686         (store_motion): Free hashtable in case we did not see
6687         any stores.
6688
6689 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
6690
6691         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6692         and arg1 if we are passing them to fold_build2.
6693
6694 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
6695
6696         PR 23828
6697         * config/i386/i386.c (ix86_function_regparm): Fix the test for
6698         a nested function.
6699
6700 2005-09-25  Richard Henderson  <rth@redhat.com>
6701
6702         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6703         SYMBOL_REF_TLS_MODEL to be correct.
6704
6705 2005-09-24  Richard Henderson  <rth@redhat.com>
6706
6707         * ipa-type-escape.c (discover_unique_type): Remove dead code at
6708         end of function.  Reindent.
6709
6710 2005-09-24  Ian Lance Taylor  <ian@airs.com>
6711
6712         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6713         NEGATE_EXPR/BIT_NOT_EXPR case.
6714
6715 2005-09-24  Richard Henderson  <rth@redhat.com>
6716
6717         * c-common.c (handle_mode_attribute): When not modifying in place,
6718         create subtypes for enumerations.
6719         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6720         * gimplify.c (create_tmp_from_val): Likewise.
6721
6722 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
6723
6724         * config/i386/i386.md (*tls_global_dynamic_64,
6725         *tls_local_dynamic_base_64): Add missing mode to call.
6726         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6727
6728 2005-09-24  Jan Hubicka  <jh@suse.cz>
6729
6730         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6731         (cgraph_clone_node): Likewise.
6732         * cgraph.h (cgraph_clone_edge): Update prototype.
6733         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6734         duplicated prototypes; add updating argument.
6735         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6736         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6737         updating profile.
6738         (cgraph_mark_inline_edge): Likewise.
6739         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6740         (cgraph_flatten_node): Likewise.
6741         (cgraph_decide_recursive_inlining): Likewise.
6742         (cgraph_decide_inlining_of_small_function): Likewise.
6743         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6744
6745 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6746             Pete Steinmetz <steinmtz@us.ibm.com>
6747
6748         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6749         (rldic.): Set type to "compare".
6750         (rldicr.): Same.
6751         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
6752         mfjmpr for MFCTR/MFLR.
6753         (movdf_hardfloat64): Same.
6754         (movdf_softfloat64): Same.  Correct order of store and move types.
6755         (movti_string): Set type to store_ux/load_ux.
6756         (load_multiple): Set type to load_ux.
6757         (store_multiple): Set type to store_ux.
6758         (movmemsi): Set type to store_ux.
6759         (output_cbranch direct_return): Set type to jmpreg.
6760         (stmw): Set type to store_ux.
6761         (lmw): Set type to load_ux.
6762         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6763         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6764         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6765         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6766         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6767         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6768         (rios1-fpstore): Increase latency to 3.
6769         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6770         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6771
6772 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6773             Andrew Pinski  <pinskia@physics.uc.edu>
6774
6775         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6776         operand2 constraint to "b".
6777         (sync_<fetchop_name>di_internal): Same.
6778         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6779         to "b".
6780         (sync_old_<fetchop_name>di_internal): Same.
6781         (sync_new_<fetchop_name>si_internal): Same.
6782         (sync_new_<fetchop_name>di_internal): Same.
6783
6784 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
6785
6786         PR middle-end/23991
6787         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6788         case, define as macros.
6789
6790         PR rtl-optimization/23837
6791         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
6792         clobber / clobber match between dest and p->first.
6793
6794         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6795         (no_conflict_move_test): Update comments.
6796
6797 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
6798
6799         * doc/install.texi: Update URL for Jacks.
6800         * doc/sourcebuild.texi: Likewise.
6801
6802 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
6803
6804         PR target/24007
6805         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6806         registers when choosing register preferences.
6807         (movdf_hardfloat64): Same.
6808
6809 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
6810
6811         * expmed.c (expand_shift): Don't use the target of the rotate as
6812         target for the first expanded shift insn.
6813         * testsuite/gcc.dg/20050922-1.c: Testcase added.
6814
6815 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
6816
6817         PR tree-optimization/22438
6818         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6819         preserved iv rhs rewriting specially.
6820
6821 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
6822
6823         * tree-data-ref.c (analyze_array_indexes): Only estimate when
6824         estimate_only  is true.
6825         * tree-flow.h (ref_contains_indirect_ref): New prototype.
6826         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6827         tree-ssa-structalias.c
6828         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6829         ref_contains_indirect_ref.
6830         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6831
6832 2005-09-21  DJ Delorie  <dj@redhat.com>
6833
6834         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6835         MASK_PTR_A0D0.
6836         (mn10300_return_in_memory): Support variable size types also.
6837         (mn10300_pass_by_reference): Likewise.
6838         (mn10300_function_value): New.
6839         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6840         (FUNCTION_OUTGOING_VALUE): Likewise.
6841         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6842         * doc/invoke.texi: Document it.
6843
6844 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
6845
6846         PR target/22585
6847         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6848         force integer op1 into register for XFmode compares.
6849
6850 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
6851
6852         PR middle-end/23971
6853         * expmed.c (alg_code): Add alg_impossible.
6854         (alg_hash_entry): Add cost.
6855         (synth_mult): Record alg_impossible in the hash table if
6856         multiplication by a given integer is impossble within the
6857         limit.  Speed up using alg_impossible.
6858
6859 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6860
6861         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6862         argument.  Allow and set any offset if needs_anyoffset is passed
6863         in.
6864         (get_constraint_for): Add argument here too.
6865         Pass it down.
6866         (do_structure_copy): Pass NULL to get_constraint_for.
6867         (handle_ptr_arith): Ditto.
6868         (find_func_aliases): Ditto.
6869
6870 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
6871
6872         PR rtl-optimization/23898
6873         * output.h (get_attr_min_length): Declare.
6874         * final.c (get_attr_length_1): New function, broken out of:
6875         (get_attr_length).
6876         (get_attr_min_length): New function.
6877         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6878         (duplicate_computed_gotos): Likewise.
6879         * genattr.c (insn_min_length): Generate declaration.
6880         * genattrtab.c (min_fn, min_attr_value): New functions.
6881         (make_length_attrs): Generate insn_min_length.
6882
6883 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
6884
6885         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6886
6887 2005-09-20  Richard Henderson  <rth@redhat.com>
6888
6889         PR tree-optimization/24059
6890         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6891         EXPAND_STACK_PARM.
6892
6893 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
6894
6895         * c.opt (fextended-identifiers): New.
6896         * c-opts.c (c_common_handle_option): Handle
6897         -fextended-identifiers.
6898         * doc/cpp.texi: Update documentation of extended identifiers.
6899         * doc/cppopts.texi (-fextended-identifiers): Document.
6900
6901 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
6902
6903         PR tree-optimization/23929
6904         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6905         if expr is NULL.
6906
6907         PR tree-optimization/23818
6908         * tree-stdarg.c (execute_optimize_stdarg): Call
6909         calculate_dominance_info.
6910
6911 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6912
6913         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6914         (analyze_siv_subscript_cst_affine): Add weak SIV test.
6915         (compute_overlap_steps_for_affine_1_2): Use
6916         get_number_of_iters_for_loop.
6917         (analyze_subscript_affine_affine): Check whether difference is
6918         zero first.
6919         Use get_number_of_iters_for_loop.
6920         Check whether overlap occurs outside of bounds.
6921         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6922
6923 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
6924
6925         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6926         base register if possible.
6927
6928 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
6929
6930         PR tree-optimization/18463
6931         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6932         converting it directly is not possible.
6933         (chrec_convert_aggressive): New function.
6934         * tree-chrec.h (chrec_convert_aggressive): Declare.
6935         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6936         Fold chrec conversions aggressively if asked to.
6937         (instantiate_parameters): Modified because of changes in
6938         instantiate_parameters_1.
6939
6940 2005-09-19  Richard Henderson  <rth@redhat.com>
6941
6942         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6943         (reduc_splus_v2df): New.
6944
6945 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
6946
6947         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6948         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
6949
6950 2005-09-19  Richard Henderson  <rth@redhat.com>
6951
6952         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6953         vcondu<SSEMODE12>.
6954
6955 2005-09-19  Richard Henderson  <rth@redhat.com>
6956
6957         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6958         (ia64_expand_dot_prod_v8qi): New.
6959         * config/ia64/ia64-protos.h: Update.
6960         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6961         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6962         sdot_prodv8qi, sdot_prodv4hi): New.
6963         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6964
6965 2005-09-19  Richard Henderson  <rth@redhat.com>
6966
6967         PR 23941
6968         * real.c (exact_real_truncate): Return false if the format cannot
6969         represent the number as a normal.
6970
6971         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6972         for a memory source.
6973
6974 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
6975
6976         * tree-ssa-operands.c (swap_tree_operands): Export.
6977         * tree.h (swap_tree_operands): Declare.
6978         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6979         Call swap_tree_operands.
6980
6981 2005-09-19  Richard Henderson  <rth@redhat.com>
6982
6983         * tree-flow.h (merge_alias_info): Declare.
6984         * tree-ssa-copy.c (merge_alias_info): Export.
6985         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6986         (vect_create_data_ref_ptr): Use create_iv directly.
6987         (vectorizable_load): Use correct types for integer constants.
6988         (vect_generate_tmps_on_preheader): Likewise.
6989         (vect_gen_niters_for_prolog_loop): Likewise.
6990
6991 2005-09-19  Steven Bosscher  <stevenb@suse.de>
6992
6993         PR rtl-optimization/23943
6994         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6995
6996 2005-09-18  Jan Hubicka  <jh@suse.cz>
6997
6998         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6999
7000 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
7001
7002         * varasm.c (output_constant): Do not abort on conversions to union
7003         types between different sizes.
7004
7005 2005-09-18  Richard Guenther  <rguenther@suse.de>
7006
7007         PR middle-end/23944
7008         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
7009         fallback.
7010
7011 2005-09-18  Paul Brook  <paul@codesourcery.com>
7012
7013         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
7014
7015 2005-09-17  Richard Henderson  <rth@redhat.com>
7016
7017         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
7018         * tree-ssa-loop.c (pass_vect_dce): Remove.
7019         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
7020         of pass_vectorize.
7021
7022 2005-09-17  Richard Henderson  <rth@redhat.com>
7023
7024         * tree-pass.h (pass_vect_dce): Declare.
7025         * passes.c (init_optimization_passes): Add it.
7026         * tree-flow.h (tree_ssa_dce): Declare.
7027         * tree-ssa-dce.c (tree_ssa_dce): Export.
7028         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
7029         (gate_tree_vectorize): ... here.
7030         (pass_vect_dce): New.
7031
7032 2005-09-17  Jan Hubicka  <jh@suse.cz>
7033
7034         * except.c (struct eh_status): Turn region_array into vec.
7035         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
7036         convert_from_eh_region_ranges, find_exception_handler_labels,
7037         current_function_has_exception_handlers, assign_filter_values,
7038         build_post_landing_pads, dw2_build_landing_pads,
7039         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
7040         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
7041         foreach_reachable_handler, can_throw_internal_1,
7042         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
7043         region_array.
7044         (duplicate_eh_region_1): Update region_array.
7045         (duplicate_eh_regions): Resize region_array and avoid recomputing.
7046
7047 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
7048
7049         PR middle-end/22067
7050         * expmed.c (expand_mult): Substitute simple register for op0 when
7051         computing max_cost.
7052
7053 2005-09-17  Richard Henderson  <rth@redhat.com>
7054
7055         * expr.c (emit_move_via_integer): Add force argument, pass it on
7056         to emit_move_change_mode.  Update callers.
7057         (emit_move_complex): Pass true to new force argument.
7058         * function.c (expand_function_end): Move expand_eh_return call
7059         earlier.  Merge sub-word complex values into a pseudo before
7060         copying to the return hard register.
7061
7062 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
7063
7064         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
7065         between different sizes.
7066
7067 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
7068
7069         PR 23903
7070
7071         * passes.c (init_optimization_passes): Register dump files for
7072         IPA passes first.
7073
7074 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
7075
7076         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
7077         * config/s390/s390.c (s390_overlap_p): New function.
7078         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
7079         peephole2, "*xc" peephole2): Added overlap check to the peephole2
7080         condition.
7081
7082 2005-09-16  Richard Guenther  <rguenther@suse.de>
7083
7084         * ipa-pure-const.c (static_execute): Free auxiliar information.
7085         * ipa-type-escape.c (discover_unique_type): Free temporary key.
7086         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
7087
7088 2005-09-15  DJ Delorie  <dj@redhat.com>
7089
7090         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
7091
7092 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
7093
7094         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
7095         to order operands.
7096         (swap_commutative_operands_with_target): New.
7097
7098 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
7099
7100         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
7101         parameter.
7102         Update callers.
7103         (estimate_iters_using_array): New function.
7104         * tree-data-ref.h (estimate_iters_using_array): Prototype
7105         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7106         Use estimate_iters_using_array instead of analyze_array.
7107
7108 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
7109
7110         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
7111         as addressable.
7112
7113 2005-09-15  Michael Matz  <matz@suse.de>
7114
7115         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
7116
7117 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
7118
7119         PR tree-optimization/23835
7120         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
7121         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
7122
7123 2005-09-14  Richard Henderson  <rth@redhat.com>
7124
7125         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
7126         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
7127
7128 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
7129
7130         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
7131         in the ARRAY_TYPE case.
7132
7133 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
7134
7135         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
7136
7137 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
7138
7139         PR middle-end/22480
7140         * tree-vect-transform.c (vectorizable_operation): Return false for
7141         scalar shift operations and for vector shift operations with
7142         non-invariant shift arguments.  Use scalar tree operand op1 as
7143         a shift operand when vector shift insn pattern uses scalar shift
7144         operand.
7145         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
7146
7147 2005-09-14  Olivier Hainque  <hainque@adacore.com>
7148
7149         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
7150         value if it has side-effects.
7151
7152 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
7153
7154         PR target/22068
7155         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
7156
7157 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
7158
7159         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
7160         passed as NAME as if it were label at start of function code.
7161
7162 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
7163
7164         * config/sh/sh.md (*movv4sf_i): Add general register cases to
7165         the constraints.
7166
7167 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
7168
7169         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
7170         as early clobber.  Rewrite so the PIC register is not implicitly used.
7171
7172 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7173
7174         * tree.c (annotate_with_file_line): Compare line numbers before
7175         file names.
7176
7177 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
7178
7179         PR target/23816
7180         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
7181         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
7182
7183 2005-09-13  Ian Lance Taylor  <ian@airs.com>
7184
7185         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
7186         than a HOST_WIDEST_INT to gen_doloop_begin.
7187
7188 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
7189
7190         * tree-dfa.c (dump_variable): Guard against NULL annotations.
7191
7192 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
7193
7194         PR tree-optimize/23817
7195         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
7196
7197 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
7198
7199         PR target/23774
7200         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
7201         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
7202         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
7203         (restore_stack_nonlocal): Likewise.
7204         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
7205
7206 2005-09-12  Ian Lance Taylor  <ian@airs.com>
7207
7208         PR g++/7874
7209         * c.opt (ffriend-injection): New C++ option.
7210         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
7211         (C++ Dialect Options): Document -ffriend-injection.
7212
7213 2005-09-12  Josh Conner  <jconner@apple.com>
7214
7215         PR middle-end/23237
7216         * ipa-reference.c (static_execute): Don't mark variables in
7217         named sections TREE_READONLY.
7218
7219 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
7220
7221         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
7222         stack_tie.
7223
7224 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
7225
7226         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
7227         V_MUST_DEF instead of just the first_use_p.
7228         Don't mark the virtual variables for renaming on the statement which
7229         is being removed.
7230         (pass_dse): Remove TODO_update_ssa.
7231
7232 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
7233
7234         PR middle-end/23290
7235         * stor-layout.c (compute_record_mode): For records with a single
7236         field, actually check the field's mode size against the type size.
7237
7238         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
7239         registers for TARGET_SHMEDIA.
7240         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
7241         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
7242         of GENERAL_REGS and FP_REGS.
7243
7244 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7245
7246         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
7247
7248 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
7249
7250         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
7251         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
7252         are omitted.  Exclude stack_tie insn too.
7253
7254 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
7255
7256         PR rtl-optimization/23098
7257         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
7258         0.0f is easy.
7259         * config/rs6000/rs6000.md (movdf splitter): Use
7260         const_double_operand predicate for TARGET_POWERPC64.
7261         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
7262         SYMBOL_REF method to ABI_V4.
7263
7264         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
7265         replace_equiv_address.
7266         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
7267         rs6000_sr_alias_set and MEM_NOTRAP.
7268         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
7269
7270 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
7271
7272         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
7273         handle CALL_EXPR again.
7274
7275 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7276
7277         * arm/predicates.md (alignable_memory_operand): Delete.
7278
7279 2005-09-10  Richard Henderson  <rth@redhat.com>
7280
7281         PR debug/23806
7282         * dbxout.c (dbxout_expand_expr): New.
7283         (dbxout_symbol): Use it.
7284
7285 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
7286
7287         * arm.c (arm_gen_rotated_half_load): Delete.
7288         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
7289         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
7290         (thumb_set_return_address): Likewise.
7291         (thumb_load_double_from_address): Use adjust_address.
7292         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
7293         (extendhsisi2_mem, movhi_bytes): Use change_address.
7294         (movhi): Use widen_memory_access.
7295         (reload_out_df): Use replace_equiv_address.
7296         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
7297
7298 2005-09-09  Richard Henderson  <rth@redhat.com>
7299
7300         PR debug/20998
7301         * dbxout.c: Include expr.h.
7302         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
7303         (dbxout_symbol): Handle DECL_VALUE_EXPR.
7304         * Makefile.in (dbxout.o): Add EXPR_H.
7305
7306 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
7307
7308         PR tree-optimization/23509
7309         * tree-cfg.c (replace_uses_by): Use replace_exp.
7310         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
7311         pointers have name_mem_tag or type_mem_tag set.
7312
7313 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
7314
7315         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
7316         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
7317         of wrongly accessing operands.
7318
7319 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
7320
7321         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
7322         * tree-chrec.c: Include tree-scalar-evolution.h.
7323         (chrec_convert): Instantiate the base and step before calling
7324         scev_probably_wraps_p that would fail on parametric evolutions.
7325         Collect all the fails into a single section failed_to_convert,
7326         print a diagnostic, and return chrec_dont_know instead of calling
7327         fold_convert.
7328         * tree-scalar-evolution.c (loop_closed_phi_def): New.
7329         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
7330         phi nodes.
7331         (scev_const_prop): Don't replace the definition of a loop closed ssa
7332         phi node by itself, or by another loop closed ssa phi node.
7333         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
7334         that base and step are defined.
7335
7336 2005-09-09  Richard Guenther  <rguenther@suse.de>
7337
7338         PR c++/23624
7339         * fold-const.c (fold_ternary): Check truth_value_p before
7340         calling invert_truthvalue.
7341
7342 2005-09-09  Nick Clifton  <nickc@redhat.com>
7343
7344         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
7345         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
7346         dimension of these arrays.
7347         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
7348         these arrays.
7349         * longlong.h: Only provide a prototype for the __clz_tab[] array
7350         if this header has not been included from libgcc2.h.
7351         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
7352         defining own types.
7353         Provide prototypes for exported functions.
7354         Use the __clz_tab[] and __popcount_tab[] arrays provided by
7355         libgcc2.c.
7356
7357 2005-09-08  Josh Conner  <jconner@apple.com>
7358
7359         PR c++/21135
7360         PR c++/23180
7361         * expr.c (expand_expr_addr_expr_1): Don't invoke
7362         expand_simple_binop for EXPAND_INITIALIZER.
7363
7364 2005-09-08  Richard Henderson  <rth@redhat.com>
7365
7366         PR debug/23190
7367         * toplev.c (wrapup_global_declaration_1): Split out ...
7368         (wrapup_global_declaration_2): ... from ...
7369         (wrapup_global_declarations): ... here.  Return bool.
7370         (check_global_declaration_1): Split out ...
7371         (check_global_declarations): from here.
7372         (emit_debug_global_declarations): New.
7373         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
7374         check_global_declaration_1, emit_debug_global_declarations): Declare.
7375         * c-decl.c (c_write_global_declarations_1): Don't create a vector
7376         of decls.  Call wrapup_global_declaration_1,
7377         wrapup_global_declaration_2, check_global_declaration_1 directly.
7378         (c_write_global_declarations_2): New.
7379         (ext_block): New.
7380         (c_write_global_declarations): Call c_write_global_declarations_2.
7381         * langhooks.c (write_global_declarations): Call
7382         emit_debug_global_declarations.
7383
7384         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
7385         remove decls that have DECL_RTL_SET_P.
7386         * passes.c (rest_of_decl_compilation): Invoke
7387         cgraph_varpool_finalize_decl for all but functions.
7388
7389 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7390
7391         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
7392         the result of a conversion if the new min and max cannot be compared.
7393
7394 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
7395
7396         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
7397         (override_options): Setting s390_sr_alias_set removed.
7398         (save_fpr, save_gprs): Set alias set to vararg or frame.
7399         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
7400         s390_sr_alias_set with get_frame_alias_set ().
7401         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
7402         get_varargs_alias_set ().
7403
7404 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
7405
7406         PR objc/20574
7407         PR objc/19324
7408         * c-parser.c (c_parser_objc_method_definition): If the next
7409         token is not "{", error out and don't start the function.
7410
7411 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
7412
7413         * tree-vrp.c (extract_range_from_expr): Move the check for non
7414         nullness after the check for gimple invariant.
7415
7416 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7417
7418         * tree.c (host_integerp, tree_low_cst): Correct function comment.
7419
7420 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7421
7422         PR target/23747
7423         * config/m32r.md (movmemsi_internal): Canonicalize order of
7424         operands in PLUS component of template.
7425
7426 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
7427
7428         * reload1.c (fixup_eh_region_note): Remove assertion.
7429         (fixup_abnormal_edges): Reverted removal of call to
7430         find_many_sub_basic_blocks made on 2005-08-31.
7431
7432 2005-09-07  Richard Henderson  <rth@redhat.com>
7433
7434         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
7435         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
7436         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
7437         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
7438         rearrange for better packing.
7439         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
7440         (lookup_cfa_1): Remove inline marker.
7441         (cfa_equal_p): Split out of ...
7442         (def_cfa_1): ... here.  Use INVALID_REGNUM.
7443         (build_cfa_loc): Handle !cfa->indirect.
7444         (frame_pointer_cfa_offset): New.
7445         (dbx_reg_number): Assert register elimination performed; do
7446         leaf register remapping.
7447         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
7448         (eliminate_reg_to_offset): New.
7449         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
7450         for verifiably local stack frame addresses; re-base to CFA.
7451         (mem_loc_descriptor): Remove can_use_fbreg argument.
7452         (concat_loc_descriptor, loc_descriptor): Likewise.
7453         (containing_function_has_frame_base): Remove.
7454         (rtl_for_decl_location): Don't do register elimination or
7455         leaf register remapping here.
7456         (secname_for_decl): Split out from ..
7457         (add_location_or_const_value_attribute): ... here.
7458         (convert_cfa_to_loc_list): New.
7459         (compute_frame_pointer_to_cfa_displacement): New.
7460         (gen_subprogram_die): Use them.
7461         * tree.h (frame_base_decl): Remove.
7462         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
7463         (prologue_stack_adjust): Remove.
7464         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
7465         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
7466         (set_frame_base_location): Remove.
7467         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
7468         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
7469         (vt_add_function_parameters): Don't eliminate_regs.
7470         (vt_initialize): Don't create frame_base_decl.
7471
7472 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7473
7474         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
7475         version of GNU binutils for 4.x and later.
7476
7477 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
7478
7479         * ggc-page.c (ggc_push_context): Remove.
7480         (ggc_pop_context): Likewise.
7481         * ggc.h (ggc_push_context): Remove.
7482         (ggc_pop_context): Likewise.
7483
7484 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7485
7486         PR target/8973
7487         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
7488         returning from an interrupt handler.
7489
7490 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7491
7492         PR target/8972
7493         * config/arc/arc.c (output_shift): Add check for loop count when
7494         optimizing.
7495
7496 2005-09-06  Steven Bosscher  <stevenb@suse.de>
7497
7498         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7499         form manually.
7500         (abs_replacement): Likewise.
7501         (pass_phiopt): Remove TODO_update_ssa.
7502
7503 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
7504
7505         PR c/23075
7506         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7507         if "return with no value, in function returning non-void" warning
7508         has been issued.
7509         * tree-cfg.c (execute_warn_function_return): Don't look at
7510         RETURN_EXPRs with TREE_NO_WARNING set.
7511
7512         PR target/22362
7513         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7514         for internal functions doesn't use registers used by global registers
7515         variables.  Use fewer register parameters if there are global register
7516         variables.
7517
7518 2005-09-06  Olivier Hainque  <hainque@adacore.com>
7519             Eric Botcazou  <ebotcazou@adacore.com>
7520
7521         PR middle-end/14997
7522         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7523         when we would be extracting outside its bit span (bitpos+bitsize
7524         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7525         Ada unchecked conversions.
7526
7527 2005-09-06  Steven Bosscher  <stevenb@suse.de>
7528
7529         * tree-ssa-pre.c (try_look_through_load): New function.
7530         (compute_avail): Use it to try to look through loads for some
7531         more useful expressions.
7532
7533 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7534
7535         * simplify-rtx.c (simplify_binary_operation_1): Correct the
7536         condition for detecting cases like (a&a) and (a^a).
7537
7538 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
7539
7540         * common.opt: Add option ftree-vect-loop-version.
7541         * params.def: Add --param vect-max-version-checks.
7542         * doc/invoke.texi: Document ftree-vect-loop-version and
7543         --param vect-max-version-checks.
7544         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7545         may_misalign_stmts and defines for accessors.
7546         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7547         LOOP_VINFO_MAY_MISALIGN_STMTS.
7548         (destroy_loop_vec_info): VEC_free for
7549         LOOP_VINFO_MAY_MISALIGN_STMTS.
7550         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7551         Update documentation.
7552         (vect_update_misalignment_for_peel): New.
7553         (vect_enhance_data_refs_alignment): Update to choose loop
7554         peeling or loop versioning if appropriate for the (potentially)
7555         unaligned data references in the loop.
7556         (vect_analyze_data_refs_alignment): Remove call to
7557         vect_enhance_data_refs_alignment so the checks can be done
7558         earlier.
7559         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7560         and move up call to vect_analyze_data_refs_alignment.
7561         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7562         (vect_transform_loop): Add call to loop_version.
7563
7564 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
7565
7566         PR rtl-optimization/23098
7567         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7568         * simplify-rtx.c (constant_pool_reference_p): New function.
7569         * rtl.h (constant_pool_reference_p): New prototype.
7570         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7571         constant_pool_reference_p in condition and
7572         avoid_constant_pool_reference in preparation statements.
7573
7574 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
7575
7576         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7577         STRICT_LOW_PART SETs.
7578
7579 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
7580
7581         PR middle-end/21460
7582         * except.c (sjlj_emit_function_enter): Find the function begin
7583         note even when it's not in first basic block.
7584
7585 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
7586
7587         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
7588         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7589         * aclocal.m4: Regenerate.
7590
7591 2005-09-05  DJ Delorie  <dj@redhat.com>
7592
7593         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7594         of macro.
7595
7596 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
7597
7598         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7599         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7600         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7601         Follow spelling conventions.
7602         * doc/invoke.texi: Follow spelling conventions.
7603
7604 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7605
7606         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7607         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7608         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7609
7610 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7611
7612         PR target/23683
7613         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7614         (output_stack_adjust): Use gen_tmp_stack_mem.
7615         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7616         (sh_set_return_address, sh_allocate_initial_value): Likewise.
7617         (sh_get_pr_initial_val): Likewise.
7618         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7619         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
7620         * sh.md (divsi_inv_m0): Use gen_const_mem.
7621         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7622         (movdf_i4+1): Use gen_tmp_stack_mem.
7623         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7624         (fpu_switch+2): Likewise.
7625         (movv4sf_i, movv16sf_i): Use adjust_address.
7626         (symGOT_load): Set MEM_NOTRAP_P bit.
7627
7628 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7629
7630         PR target/23721
7631         * pa.c (emit_move_sequence): Fix typo in last change.
7632
7633 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
7634
7635         PR rtl-optimization/23454
7636         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7637         is true.
7638
7639 2005-09-03  Richard Henderson  <rth@redhat.com>
7640             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7641
7642         PR middle-end/23671
7643         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7644         gen_rtx_MEM.
7645
7646 2005-09-02  Nicolas Pitre <nico@cam.org>
7647
7648         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7649         to bit_count to 32 bits.
7650
7651 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
7652
7653         PR c++/23167
7654         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7655         generating synthetic loads from volatile lvalues.
7656
7657 005-09-02  Nick Clifton  <nickc@redhat.com>
7658
7659         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7660         __ctzhi2, __clzhi2): New functions.
7661
7662 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
7663
7664         PR middle-end/23547
7665         * tree-nested.c (struct var_map_elt): Mark with GTY.
7666         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
7667         var_map_elt.
7668         (lookup_field_for_decl): Allocate new element in GC memory.
7669         (lookup_tramp_for_decl): Likewise.
7670         (convert_nl_goto_reference): Likewise
7671         (create_nesting_tree): Allocate info in GC memory. Likewise for
7672         info->var_map.
7673         (free_nesting_tree): Free with ggc_free instead of free.
7674         (root): New static variable.
7675         (lower_nested_functions): Remove root as local variable.  And zero out
7676         root at the end of the function.
7677
7678 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
7679
7680         PR rtl-optimization/20365
7681         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7682         to short.  New member ix.
7683         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7684         (simplify_plus_minus): Initialize ix members before calling qsort.
7685
7686 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
7687
7688         PR tree-optimization/23626
7689         * tree-cfg.c (replace_uses_by): Clean up eh info.
7690
7691 2005-09-01  DJ Delorie  <dj@redhat.com>
7692
7693         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7694         fprintf.
7695
7696 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
7697
7698         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7699         (rs6000_split_multireg_move): Use replace_equiv_address instead of
7700         gen_rtx_MEM.
7701
7702 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
7703
7704         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
7705         do not issue warning for a variable definition following
7706         a declaration.
7707
7708 2005-09-01  Richard Henderson  <rth@redhat.com>
7709
7710         PR 23668
7711         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7712         conversion to CONST_VECTOR.
7713
7714 2005-09-01  Richard Henderson  <rth@redhat.com>
7715
7716         PR 23676
7717         * reload1.c (reload_as_needed): Check !CALL_P before calling
7718         fixup_eh_region_note.
7719         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7720
7721 2005-09-01  DJ Delorie  <dj@redhat.com>
7722
7723         * varasm.c (output_constant): Let the target resolve
7724         conversions of addresses to non-default pointer sizes.
7725
7726 2005-09-01  Nicolas Pitre <nico@cam.org>
7727
7728         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7729         to alow matching ARM pre-indexed addressing mode.
7730         (arm_override_options): Remove now irrelevant comment.
7731
7732 2005-09-01  Phil Edwards  <phil@codesourcery.com>
7733
7734         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
7735         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
7736         * config/i386/vxworks.h:  Likewise.
7737         * config/i386/t-vxworksae:  New file, for VxWorks AE.
7738         * config/i386/vxworksae.h:  Likewise.
7739
7740 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
7741
7742         PR tree-optimization/23410
7743         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7744         sequence is not wrapping during the first step.
7745
7746 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7747
7748         PR debug/7241
7749         * dwarf2out.c (base_type_die): Compare char_type_node with
7750         TYPE_MAIN_VARIANT (type), not type.
7751
7752 2005-09-01  Richard Guenther  <rguenther@suse.de>
7753
7754         PR tree-optimization/15366
7755         * common.opt: Add -finline-functions-called-once.
7756         Put -fearly-inlining in alphabetically ordered place.
7757         * doc/invoke.texi: Document new option.
7758         * ipa-inline.c (cgraph_decide_inlining): Honour
7759         flag_inline_functions_called_once.
7760
7761 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7762
7763         PR rtl-optimization/23478
7764         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7765         (alloc_qty): Initialize it.
7766         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7767         (combine_regs): Combine also n_throwing_calls_crossed fields.
7768         (find_free_reg): Don't attempt to caller-save pseudos crossing
7769         calls that might throw.
7770         * global.c (struct allocno): Add throwing_calls_crossed field.
7771         (global_alloc): Revert 2005-08-22 change.  Initialize
7772         throwing_calls_crossed.
7773         (find_reg): Don't attempt to caller-save pseudos crossing calls that
7774         might throw.
7775
7776 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
7777
7778         PR target/23649
7779         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7780         (mask64_operand): Reinstate code prior to 2005-06-11 change.
7781         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7782         (and64_2_operand): Tweak to use predicate.
7783         (and_operand): Adjust for mask_operand changes.
7784         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7785         (print_operand): Likewise.
7786         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7787         (mask64_1or2_operand): Delete.
7788         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7789         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7790         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7791         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7792         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7793         (rotldi3_internal4): Likewise.
7794         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7795         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7796         (ashldi3_internal7): Likewise.
7797         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7798         (ashldi3_internal, ashldi3_internal9 split): Likewise.
7799         (anddi3 split): Don't match mask64_operand.
7800         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
7801         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
7802         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
7803         't' splitter predicate.
7804         (movdi_internal64 + 2): Revert 2005-06-11 change.
7805
7806 2005-08-31  DJ Delorie  <dj@redhat.com>
7807
7808         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7809         (m32c_asm_integer): Add support for 32 bit pointers.
7810
7811 2005-08-31  Richard Henderson  <rth@redhat.com>
7812
7813         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7814         component-like references for setting MEM_NOTRAP_P.
7815
7816         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7817         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7818
7819 2005-08-31  Richard Henderson  <rth@redhat.com>
7820
7821         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7822         into a pseudo before applying gen_lowpart.
7823
7824 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
7825
7826         * doc/install.texi (Specific): Update cctools version required
7827         for full functionality.
7828         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7829         linkers as -macosx_version_min.
7830
7831 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
7832
7833         PR target/21255
7834         * sh.c (print_operand, %R and %S): Add handling of floating point
7835         registers, memory, constants and invalid operands.
7836
7837 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
7838
7839         * ipa-pure-const.c: Change dump name.
7840
7841 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7842
7843         PR target/23570
7844         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7845         to "reg_or_0_operand".
7846         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7847
7848 2005-08-31  Dale Johannesen  <dalej@apple.com>
7849
7850         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
7851         loops that count down.
7852
7853 2005-08-31  Richard Henderson  <rth@redhat.com>
7854
7855         PR rtl-opt/23601
7856         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7857         (fixup_eh_region_note): New.
7858         (reload_as_needed): Call it.
7859         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7860         don't call find_many_sub_basic_blocks; call verify_flow_info.
7861         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7862         (keep_stack_depressed): Likewise.
7863         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7864
7865 2005-08-31  Richard Henderson  <rth@redhat.com>
7866
7867         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7868         fp return matching.
7869
7870 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
7871
7872         * expr.c (expand_expr_real_1): Compare size of address
7873         mode to target's address mode size in deciding expansion of
7874         the constant address.
7875
7876 2005-08-31  Richard Guenther  <rguenther@suse.de>
7877
7878         PR middle-end/23477
7879         * expr.c (all_zeros_p): New function.
7880         (expand_expr_real_1): Handle the case of an all-zero
7881         non-addressable constructor separately.
7882
7883 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
7884
7885         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7886         arguments, adjust all callers.
7887         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7888
7889 2005-08-30  Richard Henderson  <rth@redhat.com>
7890
7891         PR target/23630
7892         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7893         whenever the mode sizes match.
7894
7895 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
7896
7897         * calls.c (load_register_parameters): Fix comment typo.
7898         * expr.c (emit_push_insn): Comment formatting.
7899
7900 2005-08-30  Ian Lance Taylor  <ian@airs.com>
7901
7902         * config/i386/x-cygwin (host-cygwin): Change dependency from
7903         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7904
7905 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
7906
7907         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7908         parts of 'vals'.
7909
7910 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
7911
7912         PR middle-end/23408
7913         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7914         call to ggc_collect.
7915
7916 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
7917
7918         PR bootstrap/21268
7919         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7920         beginning.  Remove $(INCLUDES) from all the rules, if following
7921         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7922
7923 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
7924
7925         PR middle-end/23484
7926         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7927         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7928         not constant, but maxlen is, don't set len to maxlen, rather
7929         set maxlen to len if len is a constant.
7930
7931 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
7932
7933         PR tree-optimization/23475
7934         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7935         and counts.
7936
7937 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
7938
7939         Fix PR middle-end/22455
7940
7941         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7942         Checksum only the parts of the tree that exist for the tree code.
7943
7944 2005-08-28  Dale Johannesen  <dalej@apple.com>
7945
7946         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
7947
7948 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
7949
7950         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7951
7952 2005-08-28  Richard Henderson  <rth@redhat.com>
7953
7954         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7955         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7956         of char_type_node.
7957
7958 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
7959
7960         PR ada/23593
7961         * builtins.c (get_memory_rtx): Don't strip nops
7962         in between COMPONENT_REFs.
7963
7964 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
7965
7966         PR middle-end/23463
7967         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7968         types.
7969         (gimplify_modify_expr): Check for zero sized types and gimplify the
7970         rhs and lhs as statements.
7971
7972 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
7973
7974         PR libgcj/23508
7975         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7976         state for return address column of signal frames.
7977
7978 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
7979
7980         PR target/23539
7981         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7982         bytes >= 2 not bytes == 2.
7983         (expand_block_move): Same.
7984
7985 2005-08-27  Richard Guenther  <rguenther@suse.de>
7986
7987         PR target/23575
7988         * config/i386/sse.md (sse2_movsd): Add missing closing
7989         braces.
7990
7991 2005-08-27  Paul Brook  <paul@codesourcery.com>
7992
7993         * genrecog.c (enum decision_type): Add DT_num_insns.
7994         (struct decision_test): Add u.num_insns.
7995         (add_to_sequence): Add DT_num_insns test.
7996         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7997         (write_cond, debug_decision_2): Ditto.
7998         (change_state): Assume peep2_next_insn never fails.
7999         Remove "afterward" argument.
8000         (write afterward, write_tree): Update to match.
8001         * recog.c (peep2_current_count): New variable.
8002         (peep2_next_insn): Check it.
8003         (peephole2_optimize): Set peep2_current_count.
8004         * recog.h (peep2_current_count): Declare.
8005
8006 2005-08-26  Josh Conner  <jconner@apple.com>
8007
8008         PR middle-end/23584
8009         * ipa-pure-const.c (check_tree): Check for volatile-ness
8010         when considering a dereference.
8011
8012 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
8013
8014         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
8015
8016 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
8017
8018         PR rtl-optimization/23561
8019         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
8020         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
8021         at most LEN bytes long memory fits into the field.
8022         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
8023         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
8024         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
8025
8026 2005-08-26  Richard Henderson  <rth@redhat.com>
8027
8028         PR rtl-opt/23560
8029         * loop.c (biased_biv_may_wrap_p): New.
8030         (maybe_eliminate_biv_1): Use it to suppress non-equality
8031         comparison transformations.  Delete disabled code.
8032
8033 2005-08-26  Ian Lance Taylor  <ian@airs.com>
8034
8035         * combine.c (make_extraction): Avoid reference outside object.
8036
8037 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
8038
8039         * stor-layout.c (finalize_type_size): Restore behaviour for
8040         non-aggregate types to the status quo ante of the patch for
8041         pr 23467.  Document why it matters.
8042
8043 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
8044
8045         PR c/23506
8046         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
8047         array by one element, initialize the BT_LAST element with NULL.
8048
8049 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
8050
8051         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
8052         optimizing for size.
8053         (plus_eqsi): Same.
8054         (compare_plus_eqsi): Same.
8055         (plus_eqsi_compare): Same.
8056         (neg_eq0<mode>): Same.
8057         (neg_eq<mode>): Same.
8058
8059         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
8060         PROCESSOR_POWER4.
8061
8062 2005-08-26  Nick Clifton  <nickc@redhat.com>
8063
8064         * config/v850/v850.c (ep_memory_operand): Return FALSE if
8065         TARGET_EP is not defined.
8066         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
8067         TARGET_EP is enabled.
8068         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
8069         * config/v850/v850.md (save_all_interrupt): Only use the EP
8070         register if TARGET_EP is defined.
8071         (restore_all_interrupt): Likewise.
8072         * config/v850/lib1funcs.asm: Update functions so that the EP
8073         register is only used if __EP__ is defined.
8074
8075 2005-08-26  David Ung  <davidu@mips.com>
8076
8077         * config/mips/mips.c (mips_expand_prologue): Handle case when
8078         generating for MIPS16 and the outgoing argument area is more than
8079         SMALL_OPERAND. Use the frame pointer as temporary to generate the
8080         add instruction.
8081
8082 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
8083
8084         * config/crx/crx.md: Make doloop_end pattern usage controllable
8085         via mloop-nesting=<max-nesting> command line switch. Make sure
8086         the combiner cannot use doloop_end_<mode> in an illegal way.
8087         * config/crx/crx.c: Use regs up to r6 for argument passing.
8088         Refine crx_address_cost (non cst4 displacements are expensive).
8089         * config/crx/crx.opt: Add switch for mloop-nesting=.
8090
8091 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
8092
8093         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
8094         (UNSPEC_MVST): New constant.
8095
8096 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
8097
8098         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
8099         Reject operands containing eliminable registers.
8100         * testsuite/gcc.dg/20050825-1.c: New testcase.
8101
8102 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8103             Jan Hubicka  <jh@suse.cz>
8104
8105         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
8106
8107 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8108
8109         PR tree-optimization/23546
8110         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
8111         and REAL_CST nodes.
8112
8113 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
8114
8115         * params.def (PARAM_MIN_SPEC_PROB): New.
8116         * sched-rgn.c (MIN_PROBABILITY): Delete.
8117         (compute_trg_info): Convert to PARAM_VALUE.
8118         * doc/invoke.texi (param): Document min-spec-prob.
8119
8120 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
8121
8122         * config/darwin.h: define __PIC__
8123         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
8124         TARGET_OS_CPP_BUILTINS macro.
8125
8126 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8127
8128         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
8129         yesterday.
8130
8131 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
8132
8133         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
8134         to duplicate_block.
8135         * cfghooks.c (duplicate_block): Added position where to place
8136         new block as argument.
8137         * cfghooks.h (duplicate_block): Declaration changed.
8138         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
8139         duplicate_block.
8140         * cfglayout.h (copy_bbs): Declaration changed.
8141         * cfgloop.h (loop_version): Declaration changed.
8142         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
8143         position to copy_bbs.
8144         (loop_version): Pass position to duplicate_loop_to_header_edge.
8145         Add place_after argument and position new blocks according to
8146         it.
8147         * modulo-sched.c (sms_schedule): Pass place_after argument
8148         to loop_version.
8149         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
8150         * tree-cfg.c (split_edge_bb_loc): New function.
8151         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
8152         to determine position of new blocks.
8153         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
8154         to loop_version.
8155         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
8156         argument to duplicate_block.
8157         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
8158         Pass position to copy_bbs.
8159
8160 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
8161
8162         * fold-const.c (ptr_difference_const): Use
8163         cst_and_fits_in_hwi instead of host_integerp.
8164
8165 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8166
8167         * config/darwin.c (gen_pic_offset): New.
8168         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
8169         Use it.
8170
8171 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
8172
8173         PR tree-optimization/23486
8174         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
8175
8176 2005-08-23  Phil Edwards  <phil@codesourcery.com>
8177
8178         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
8179         remove use_collect2.
8180         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
8181
8182         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
8183         configuration files to override the default value.
8184
8185         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
8186         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
8187         * config/vx-common.h:  New file, split out from...
8188         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
8189         * config/vxworksae.h:  New file, for VxWorks AE.
8190         * config/vxworks.opt:  New file.
8191         * config/vxlib.c:  Update for VxWorks 6.
8192
8193         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
8194         other MULTILIB_* variables appropriately.
8195         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
8196         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
8197         * config/rs6000/vxworks.h:  Update for VxWorks 6.
8198         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
8199
8200 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
8201
8202         PR target/20799
8203         * config/darwin.c (machopic_select_section): Remove the hack to
8204         mark "::operator new" and "::operator delete" for coalescing
8205         even though they are not weak.
8206
8207 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
8208
8209         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
8210         * configure: Regenerate.
8211
8212 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
8213
8214         PR middle-end/23517
8215         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
8216         between vectors.
8217         * convert.c (convert_to_integer, convert_to_vector): Likewise.
8218         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
8219         Likewise.
8220
8221 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
8222
8223         * config/rs6000/predicates.md (equality_operator): New.
8224         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
8225         comparison with a large constant.
8226
8227 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
8228
8229         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
8230
8231 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
8232
8233         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
8234         registers is even, and we have a hardware double precision fp,
8235         align the buffer.
8236         (sh_gimplify_va_arg_expr): For floating point arguments, consider
8237         size of current argument when checking if argument was passed in
8238         registers.
8239
8240         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
8241
8242         PR middle-end/23467
8243         * stor-layout.c (finalize_type_size): Dont override
8244         existing alignment with a smaller alignment from the mode.
8245
8246 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
8247
8248         * lambda-code.c (lambda_vector_lexico_pos): Moved...
8249         * lambda.h (lambda_vector_lexico_pos): ... here.
8250         * tree-data-ref.c (build_classic_dist_vector): Return false when
8251         the distance vector is lexicographically negative.
8252
8253 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
8254
8255         PR tree-optimization/23511
8256         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
8257         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
8258
8259 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
8260
8261         PR tree-optimization/22043
8262         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
8263         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
8264         If ALLOW_FLEXARR, handle types ending with flexible array member.
8265         Pass false as second argument to recursive count_type_elements calls.
8266         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
8267         argument to count_type_elements call.
8268         * tree-sra.c (decide_block_copy): Likewise.
8269         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
8270         for a constant-sized object, set cleared as well.  Pass true as
8271         second argument to count_type_elements call.
8272
8273 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
8274
8275         PR target/21571
8276         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
8277         from legitimate_small_data_p, and make global.  Update use.
8278         Remove forward declaration.
8279         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
8280         Declare.
8281         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
8282
8283 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
8284
8285         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
8286         of scratch intermediates.
8287         (eq<mode>_compare): Same.
8288         (neg_eq0<mode>): New.
8289         (neg_eq<mode>): Convert to define_insn_and_split.
8290
8291 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
8292
8293         PR target/23070
8294         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
8295         stdarg functions, set/clear the fp marker even when no variable
8296         args are passed.
8297         * config/rs6000/sysv4.opt (mprototype): Describe.
8298
8299 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
8300
8301         PR rtl-optimization/23478
8302         * regs.h (reg_info): Add throw_calls_crossed.
8303         (REG_N_THROWING_CALLS_CROSSED): Define.
8304         * flow.c (allocate_reg_life_data): Initialize
8305         REG_N_THROWING_CALLS_CROSSED.
8306         (propagate_one_insn, attempt_auto_inc): Update
8307         REG_N_THROWING_CALLS_CROSSED.
8308         * global.c (global_alloc): Don't allocate pseudos across
8309         calls that may throw.
8310
8311 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
8312
8313         PR c/18715
8314         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
8315         value is inbetween the range if we did not find an exact match.
8316
8317 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
8318
8319         * doc/invoke.texi (Option Summary): Add ms1 options.
8320         * doc/extend.texi: Document interrupt handler attribute for ms1.
8321         * doc/md.texi: Document ms1 constraints.
8322         * config.gcc: Add ms1-*-elf.
8323         * config/ms1/ms1.h: New.
8324         * config/ms1/ms1.c: New.
8325         * config/ms1/ms1.md: New.
8326         * config/ms1/ms1-protos.h: New.
8327         * config/ms1/ABI.txt: New.
8328         * config/ms1/crti.asm: New.
8329         * config/ms1/crtn.asm: New.
8330         * config/ms1/lib2extra-funcs.c: New.
8331         * config/ms1/t-ms1: New.
8332         * config/ms1/ms1.opt: New.
8333
8334 2005-08-22 Ira Rosen <irar@il.ibm.com>
8335
8336         * config/rs6000/altivec.md (xorv4sf3): New.
8337         (negv4sf2, neg<mode>2): Likewise.
8338
8339 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
8340
8341         PR target/23485
8342         * config/ia64/ia64.md (divsi3): Check divide by zero.
8343         (udivsi3): Likewise.
8344         (divdi3): Likewise.
8345         (udivdi3): Likewise.
8346
8347 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
8348
8349         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
8350         up to elem_bitsize bits, not max_bitsize.
8351
8352 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
8353
8354         PR tree-optimization/23433
8355         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
8356         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
8357
8358 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
8359
8360         PR tree-optimization/23434
8361         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
8362         the iteration bound is not an INTEGER_CST.
8363
8364 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
8365
8366         * tree-vect-transform.c (get_initial_def_for_reduction): Set
8367         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
8368         NULL if need_epilog_adjust is false.
8369         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
8370         Case 3 always peels first itration, not just for PLUS case, and no need
8371         to use scalar_initial_def here. Create an epilog adjustment only if
8372         scalar_initial_def is not NULL.
8373
8374         (vectorizable_reduction): Remove assert.
8375
8376 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
8377
8378         PR target/23485
8379         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
8380         (__moddi3): Likewise.
8381         (__udivdi3): Likewise.
8382         (__umoddi3): Likewise.
8383         (__divsi3): Likewise.
8384         (__modsi3): Likewise.
8385         (__udivsi3): Likewise.
8386         (__umodsi3): Likewise.
8387
8388 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
8389
8390         * tree-pass.h (TDF_GRAPH): Define.
8391         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
8392         * passes.c (finish_optimization_passes): Only call
8393         finish_graph_dump_file if TDF_GRAPH is set.
8394         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
8395         NULL.  Set TDF_GRAPH bit.
8396         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
8397
8398 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
8399
8400         * arm.h (arm_stack_offsets): Add locals_base field.
8401         * arm.c (arm_get_frame_offsets): Compute it.
8402         (thumb_compute_initial_elimination offset): Make the Thumb frame
8403         pointer point to the base of the local variables.
8404         (thumb_expand_prologue): Update accordingly.
8405         (thumb_expand_epilogue): Likewise.
8406
8407         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
8408         mode of clobbered scratch to DImode.  Handle a case that's known to
8409         need this.
8410
8411 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
8412
8413         * config/rs6000/rs6000.md (gt0<mode>): Delete.
8414         (gt0<mode>_compare): Delete.
8415         (neg_gt0<mode>): Delete.
8416
8417 2005-08-19  Eric Christopher  <echristo@apple.com>
8418
8419         * optabs.h: Change CTI_ to COI_.
8420         * optabs.c: Ditto.
8421
8422 2005-08-19  James E Wilson  <wilson@specifix.com>
8423
8424         * builtins.c (expand_builtin_return_addr): Set
8425         current_function_accesses_prior_frames when count != 0.  Use
8426         frame_pointer_rtx when count == 0.
8427         * function.h (struct function): Add accesses_prior_frames field.
8428         (current_function_accesses_prior_frames): Define.
8429         * reload1.c (init_elim_table): Check
8430         current_function_accesses_prior_frames.
8431         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
8432
8433 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8434
8435         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
8436         indicator.  Return true if the flowgraph changed during
8437         cleanup.
8438
8439 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8440
8441         PR 23476
8442         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
8443         conditional expression before testing its value.
8444
8445 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8446
8447         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
8448
8449 2005-08-19  Devang Patel  <dpatel@apple.com>
8450
8451         PR tree-optimization/23048
8452         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
8453         third parameter. Check whether latch is dominated by exit
8454         block or not.
8455         (if_convertible_loop_p): Supply exit block itself to
8456         if_convertible_bb_p.
8457
8458 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8459
8460         PR target/23473
8461         * arm.md (arm_load_pic_register): Change argument to the mask of
8462         saved registers.  Call thumb_find_work_register if we need a
8463         scratch register on Thumb.
8464         (arm_expand_prologue): Pass empty register set to
8465         arm_load_pic_register.
8466         (thumb_expand_prologue): Pass live_regs_mask directly to
8467         arm_load_pic_register.
8468         * arm-protos.h (arm_load_pic_register): Update prototype.
8469
8470 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
8471
8472         * sh.c (find_sole_member): New function.
8473         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
8474         if the record's alignment is larger than the size of its only member.
8475
8476 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8477
8478         PR target/23436
8479         * arm.c (thumb_legitimize_reload_address): New function.
8480         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
8481         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
8482
8483 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
8484
8485         * config/crx/crx.c: Implement crx_decompose_address. Reject
8486         symbolic displacements since CRX register relative adressing
8487         mode can't handle unsigned 32-bit values as displacements.
8488         * config/crx/crx.h: Simplify definitions, remove redundant
8489         parenthesis and obsolete macros.
8490         * config/crx/crx.opt: Add new switch for debugging addresses.
8491         * config/crx/crx-protos.h: Add new declarations for above.
8492
8493 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
8494
8495         PR middle-end/20624
8496         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8497         looking past it.
8498
8499 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8500
8501         * collect2.c (dup2): Delete.
8502         * configure.ac: Don't check for dup2.
8503
8504         * config.in, configure: Regenerate.
8505
8506 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
8507
8508         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8509         record with the type of its only member.
8510
8511 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
8512
8513         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8514         define_insn_and_split.
8515         (plus_ltu<mode>_compare): Same.
8516         (gtu<mode>_compare): Same.
8517         (plus_gtu<mode>_compare): Same.
8518
8519 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
8520
8521         PR tree-optimization/22228
8522         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8523         todo_flags_start.
8524         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8525         are recorded in vect_vnames_to_rename for renaming.
8526         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8527         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8528         in vect_vnames_to_rename.
8529         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8530         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8531
8532 2005-08-18  Jan Hubicka  <jh@suse.cz>
8533
8534         PR c++/22034
8535         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8536         info only for local statics, not for member variables.
8537
8538 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8539
8540         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8541
8542 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8543
8544         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8545
8546 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
8547
8548         PR middle-end/16045
8549         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8550
8551 2005-08-17  James E Wilson  <wilson@specifix.com>
8552
8553         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8554         array size check.
8555
8556 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
8557
8558         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8559         (leu<mode>_compare): Same.
8560         (plus_leu<mode>): Same.
8561         (neg_leu<mode>): Same.
8562         (and_neg_leu<mode): Same.
8563         (ltu<mode>_compare): Same.
8564         (plus_ltu<mode>): Same.
8565         (geu<mode>): Same.
8566         (geu<mode>_compare): Same.
8567         (plus_geu<mode>): Same.
8568         (neg_geu<mode>): Same.
8569         (and_neg_geu<mode>): Same.
8570         (plus_gt<mode>): Same.
8571         (gtu<mode>_compare): Same.
8572         (plus_gtu<mode>): Same.
8573
8574 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
8575
8576         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8577         Move call_table_data to end.  Delete spurious .text.
8578         (callt_save_all_interrupt): Fix comment typo.
8579
8580 2005-08-17  James E Wilson  <wilson@specifix.com>
8581             Kevin Winchester  <winchester@amirix.com>
8582
8583         PR target/21684
8584         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8585
8586 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
8587
8588         PR target/23268
8589         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8590         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8591
8592 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
8593
8594         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8595         record with the type of its only member if the modes don't match.
8596
8597         * varasm.c (decode_reg_name): Skip empty additional register names.
8598
8599 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
8600
8601         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8602         lsm_tmp_name_length): New.
8603         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8604         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8605
8606 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8607             Andreas Krebbel  <krebbel1@de.ibm.com>
8608
8609         * config.gcc: Added z9-109 switch.
8610         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8611         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8612         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8613         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8614         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8615         for "z9_109" cpu attribute.
8616         * config/s390/s390.c (z9_109_cost): New processor cost structure.
8617         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8618         (s390_handle_arch_option): Added z9-109 switch.
8619         (override_options): Set respective cost function for z9-109.
8620         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8621         (legitimate_reload_constant_p): Accept extended immediates.
8622         (print_operand): Three new output modifiers added: k, m and o.
8623         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8624         (s390_output_mi_thunk): Use extended immediate when possible.
8625         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8626         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8627         (CONSTRAINT_LEN): Added length of O constraint.
8628         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8629         * config/s390/s390.md ("cpu"): New value z9_109 added.
8630         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8631         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8632         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8633         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8634         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8635         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8636         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8637         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8638         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8639         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8640         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8641         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8642         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8643         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8644         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8645         immediates.
8646         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8647         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8648         insns for TARGET_EXTIMM.
8649
8650 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8651
8652         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8653
8654 2005-08-17  Nick Clifton  <nickc@redhat.com>
8655
8656         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8657         Call default_encode_section_info.
8658
8659 2005-08-17  Steven Bosscher  <stevenb@suse.de>
8660
8661         PR tree-optimization/21574
8662         * tree-ssa-ccp.c (likely_value): If the right hand side is a
8663         constant, return CONSTANT.
8664         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8665         (ccp_fold, visit_assignment): Likewise.
8666         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8667
8668 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8669
8670         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8671         fold_buildN instead of buildN then fold_initializer or fold.
8672         (build_unary_op): Likewise.
8673         (build_binary_op): Likewise.
8674         * fold-const.c (fold_initializer): Remove.
8675         (fold_build1_initializer): New function.
8676         (fold_build2_initializer): New function.
8677         (fold_build3_initializer): New function.
8678         * tree.h (fold_initializer): Remove.
8679         (fold_build1_initializer): New function.
8680         (fold_build2_initializer): New function.
8681         (fold_build3_initializer): New function.
8682
8683 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8684
8685         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8686         (try_move_mult_to_index): Call fold_build2 instead of build2.
8687         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8688         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8689         fold_binary_to_constant.
8690         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8691         fold (build.
8692         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8693         check if A == gcd (A, B).  Remove TYPE argument.
8694         (analyze_offset) Use fold_build2 instead of fold (build.
8695         (create_data_ref): Likewise.
8696         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8697         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8698         then fold.
8699
8700 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
8701
8702         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8703         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8704
8705 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
8706
8707         PR tree-opt/23402
8708         * gimplify.c (zero_sized_type): New function.
8709         (gimplify_modify_expr_rhs): If we have a zero sized type,
8710         replace the statement with an empty statement.
8711
8712 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
8713
8714         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8715         fxsave.
8716
8717 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8718
8719         * doc/tm.texi (Label Output): Correct typo.
8720
8721 2005-08-16  Steven Bosscher  <stevenb@suse.de>
8722
8723         PR target/23376
8724         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8725         force_operand will work later on using have_insn_for.
8726
8727 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8728
8729         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8730
8731 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8732
8733         PR c++/23337
8734         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8735         vector type, don't try to construct it element by element.  Add an
8736         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8737
8738 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8739
8740         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8741
8742 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
8743
8744         * doc/invoke.texi (Precompiled Headers): Document some more options
8745         which are known to be safe.
8746
8747 2005-08-16  James E Wilson  <wilson@specifix.com>
8748
8749         PR tree-optimization/21105
8750         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8751         TREE_OVERFLOW check.
8752
8753 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
8754
8755         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8756         (neg_ltu<mode>): Same.
8757         (gtu<mode>): Same.
8758         (neg_gtu<mode>): Same.
8759
8760 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8761
8762         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8763         (fold_builtin_isdigit): Use fold_buildN.
8764         (build_function_call_expr): Likewise.
8765         * c-typeck.c (c_finish_loop): Likewise.
8766
8767 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
8768             Richard Shann <rshann@superh.com>
8769
8770         PR middle-end/20396:
8771         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8772
8773 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
8774
8775         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8776
8777 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
8778
8779         PR target/23355
8780         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8781         arm_compure_save_reg0_reg12_mask to determine when the PIC register
8782         must be saved.
8783
8784 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8785
8786         PR middle-end/23369
8787         * fold-const.c (build_range_check): Disable optimization for function
8788         pointer expressions on targets that require function pointer
8789         canonicalization.
8790
8791 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
8792
8793         * simplify-rtx.c (simplify_const_relational_operation): When
8794         extracting arguments of a COMPARE, recompute the mode as well.
8795
8796 2005-08-15  Ian Lance Taylor  <ian@airs.com>
8797
8798         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8799
8800 2005-08-15  DJ Delorie  <dj@redhat.com>
8801
8802         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8803         the stack.
8804         (movsi_splittable): Allow, but split, moves to the stack.
8805         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8806         stack.
8807
8808 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8809
8810         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8811         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8812         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8813
8814         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8815         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8816         Delete HOST_PTR_PRINTF.
8817
8818         * configure, config.in: Regenerate.
8819
8820 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
8821
8822         * config/rs6000/rs6000.md (QHSI): New mode macro.
8823         (wd): Extend mode attr for QImode and HImode
8824         (dbits): New mode attr.
8825         (zero_extend<mode>di2): Convert to mode macro.
8826
8827 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
8828
8829         PR target/21841
8830         * doc/invoke.texi (-mgnu-ld): Update description.
8831         (-mhp-ld): Ditto.
8832
8833 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8834
8835         PR 23391
8836         * Makefile.in (tree-chrec.o): Depends on real.h.
8837         * tree-chrec.c: Include real.h.
8838         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8839         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8840         * tree-scalar-evolution.c (add_to_evolution_1,
8841         interpret_rhs_modify_expr): Ditto.
8842
8843 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8844
8845         PR 23386
8846         * tree-data-ref.c (estimate_niter_from_size_of_data): When
8847         step is negative compute the estimation from init downwards to zero.
8848
8849 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
8850
8851         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8852
8853 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8854
8855         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8856         constraint.
8857         (legitimate_reload_constant_p): Fix handling of lliXX operands.
8858         Accept double-word constants that can be split.
8859         * config/s390/s390.md ("movti"): Use 'P' constraint.
8860         ("*movdi_31", "*movdf_31"): Likewise.
8861
8862 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
8863
8864         Fix PR tree-optimization/22615
8865
8866         * tree-ssa-structalias.c (solution_set_add): Handle
8867         first_vi_for_offset returning NULL.
8868         (do_da_constraint): Ditto.
8869         (do_sd_constraint): Ditto.
8870         (do_ds_constraint): Ditto
8871         (find_func_aliases): Ditto.
8872         (build_constraint_graph): RHS is allowed be ANYTHING.
8873         (first_vi_for_offset): Return NULL if we couldn't find anything at
8874         the offset.
8875
8876 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8877
8878         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8879         over memory as first operand.
8880
8881 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
8882
8883         PR target/23360
8884         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8885         available for setting it.
8886
8887 2005-08-14  Ira Rosen  <irar@il.ibm.com>
8888
8889         PR tree-optimization/23320
8890         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8891         data-refs' types instead of base object nullness. Add check for
8892         pointer type data-refs before first location comparison. Remove
8893         assert.
8894
8895 2005-08-14  Andreas Schwab  <schwab@suse.de>
8896
8897         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8898
8899 2005-08-13  James E Wilson  <wilson@specifix.com>
8900
8901         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8902         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8903         -fstack-protector-all, --param ssp-buffer-size): Document.
8904         (-Wvariadic-macros): Alphabetize.
8905         (-fsched-stalled-insns-dep): Add missing 'f'.
8906
8907         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8908         macros.
8909
8910 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
8911
8912         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8913         or indirect address operand.
8914         (EXTRA_ADDRESS_CONSTRAINT): New.
8915         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8916
8917 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
8918
8919         PR tree-optimization/22236
8920         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8921         successors and predecessors.
8922         * tree-chrec.c (chrec_convert): Before converting, check that
8923         sequences don't wrap.
8924         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8925         (analyze_array): Extern.
8926         (find_data_references_in_loop): Remove call to
8927         compute_estimated_nb_iterations.
8928         * tree-data-ref.h (analyze_array): Declared.
8929         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8930         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8931         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8932         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8933         condition.
8934         * tree-ssa-loop-ivcanon.c: Fix documentation.
8935         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8936         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8937         (infer_loop_bounds_from_undefined): New.
8938         (estimate_numbers_of_iterations_loop): Use
8939         infer_loop_bounds_from_undefined.
8940         (used_in_pointer_arithmetic_p): New.
8941         (scev_probably_wraps_p): Pass an extra parameter.  Call
8942         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
8943         (convert_step): Fix documentation.
8944         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8945         Use initial_condition_in_loop_num and evolution_part_in_loop_num
8946         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
8947         scev_probably_wraps_p.
8948
8949 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
8950
8951         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8952         (s390_register_info): Ignore clobbered_regs information for fixed
8953         registers, and only fixed registers.
8954         (s390_init_frame_layout): Remove redundant call.
8955
8956 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
8957
8958         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8959         description of -Wold-style-casts.
8960
8961 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8962             Jakub Jelinek  <jakub@redhat.com>
8963
8964         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8965         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8966         * config/s390/s390.c (print_operand): New output modifier 'G' added.
8967         (get_thread_pointer): Renamed to s390_get_thread_pointer.
8968         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8969         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8970         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8971         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8972         ("stack_protect_set", "stack_protect_test"): New expanders.
8973         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8974         "stack_protect_testdi"): New insn definitions.
8975
8976 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8977
8978         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8979
8980 2005-08-12  Paul Brook  <paul@codesourcery.com>
8981
8982         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8983
8984 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8985
8986         * config/s390/predicates.md (setmem_operand): New predicate.
8987         (shift_count_operand): Accept ANDs with special constants as
8988         operand.
8989         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8990         with special constants.
8991         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8992         shift_count_operand with setmem_operand.
8993
8994 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8995
8996         * config/s390/s390.c (s390_extract_part, s390_single_part):
8997         Type cast added.
8998         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8999         (s390_output_mi_thunk): Don't use lg on 31 bit.
9000         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
9001         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
9002
9003 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
9004
9005         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
9006         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
9007         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
9008         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
9009         with one of the new macros.
9010
9011 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
9012
9013         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
9014         Don't set save_return_addr_p.
9015         (s390_register_info): Make clobbered_regs not depending on
9016         save_return_addr_p.
9017
9018 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
9019
9020         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
9021         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
9022
9023 2005-08-11  James E. Wilson  <wilson@specifix.com>
9024
9025         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
9026
9027 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
9028
9029         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
9030         locations gathered by var-tracking in single entry loc_list
9031         over loc_descriptor_from_tree.
9032
9033         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
9034         pass it down to loc_descriptor.
9035         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
9036         (containing_function_has_frame_base): Move earlier in the file.
9037         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
9038         instead of always assuming fbreg can't be used.
9039
9040 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
9041
9042         * config/rs6000/altivec.md: Change constraint "m" to "Z".
9043         * config/rs6000/predicates.md (indexed_or_indirect_operand):
9044         Accept address wrapped in AND for Altivec.
9045         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
9046         Strip AND wrapping offset address for Altivec.
9047
9048 2005-08-11  Richard Henderson  <rth@redhat.com>
9049
9050         PR middle-end/23312
9051         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
9052         before using TYPE_IS_SIZETYPE.
9053
9054 2005-08-11  Richard Henderson  <rth@redhat.com>
9055
9056         PR target/22225
9057         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
9058         insn types not present on ev4.
9059         (alphaev5_insn_pipe): Similarly.
9060
9061 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
9062
9063         PR target/23250
9064         * arm.c (arm_override_options): If the user has selected callee-super-
9065         interworking, then enable normal interworking.
9066
9067 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9068
9069         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
9070         redefinition.
9071
9072 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
9073
9074         * doc/rtl.texi: Fix two typos.
9075
9076 2005-08-11  Richard Guenther  <rguenther@suse.de>
9077
9078         PR target/23289
9079         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
9080         cases where we call to/from functions returning void.
9081
9082 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
9083
9084         PR c++/23225
9085         * tree.c (build_pointer_type_for_mode): Robustify.
9086
9087 2005-08-10  James E Wilson  <wilson@specifix.com>
9088
9089         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
9090         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
9091
9092         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
9093         "cum->".
9094
9095 2005-08-10  Eric Christopher  <echristo@apple.com>
9096
9097         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
9098         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
9099         V2DFmode.
9100
9101 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
9102
9103         PR target/21887
9104         * config/darwin.c (machopic_indirect_data_reference): Use a new register
9105         for the high part when generating dynamic-no-pic code.
9106
9107 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
9108
9109         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
9110         (x86_64-*-linux*): Likewise.
9111
9112         * config/i386/crtfastmath.c: New file.
9113         * config/i386/t-crtfm: Likewise.
9114
9115         * config/i386/linux.h (ENDFILE_SPEC): New.
9116         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
9117
9118         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
9119         crtfastmath.o.
9120
9121 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
9122
9123         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
9124         (vec_shl, vec_shr): Document new operations.
9125         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
9126
9127 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
9128
9129         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
9130         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
9131         change predicate to indexed_or_indirect_address.
9132
9133 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
9134
9135         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
9136         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
9137         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
9138         and __aeabi_uwrite8.
9139         * config/arm/unaligned-funcs.c: New file.
9140         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
9141
9142 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
9143
9144         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
9145         Add dump.
9146         * cfglayout.c (pass_insn_locators_initialize): Add dump.
9147         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
9148         Add dump.
9149         * except.c (pass_convert_to_eh_region_ranges): Add dump.
9150         * final.c (pass_shorten_branches): Add dump.
9151         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
9152         (pass_life): Rename dump.
9153         (rest_of_handle_flow2): Remove initial verify_flow_info.
9154         * function.c (pass_instantiate_virtual_regs): Add dump.
9155         * integrate.c (pass_initial_value_sets): Add dump.
9156         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
9157         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
9158         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
9159         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
9160         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
9161         gate_rtl_unrool_and_peel_loops): New.
9162         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
9163         rtl_doloop): Do not look at flags.
9164         * mode-switching.c (pass_mode_switching): Add dump.
9165         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
9166         pass_split_before_regstack): Add dump.
9167         * regmove.c (pass_stack_adjustments): Add dump.
9168         * tree-optimize.c (pass_fixup_cfg): Add dump.
9169
9170 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9171
9172         PR 23309
9173         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
9174         deciding which instruction sequence to use.
9175
9176 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
9177
9178         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
9179         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
9180
9181 2005-08-09  Richard Guenther  <rguenther@suse.de>
9182
9183         * c-common.c (builtin_function_2): Remove.
9184         (def_builtin_1): New function.
9185         (c_common_nodes_and_builtins): Use def_builtin_1 to
9186         build builtin functions.
9187
9188 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
9189
9190         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
9191         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9192         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
9193         Visual DSP.
9194
9195 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
9196
9197         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
9198         fold_binary instead of fold_build2 since we don't care about the
9199         resulting tree.
9200         (loop_niter_by_eval): Likewise.
9201         (compare_trees): Likewise.
9202         (proved_non_wrapping_p): Likewise.
9203
9204 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
9205
9206         PR c/23161
9207         PR c/23165
9208         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
9209         if the if is really empty.
9210
9211 2005-08-09  Steven Bosscher  <stevenb@suse.de>
9212
9213         PR tree-optimization/23234
9214         * tree-ssa-math-opts.c (place_reciprocal): New enum.
9215         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
9216         argument of the new enum.
9217         (execute_cse_reciprocals): Add reciprocals for function arguments
9218         on the unique successor edge of the entry block.  Update other calls
9219         to execute_cse_reciprocals_1.
9220
9221 2005-08-08  Richard Henderson  <rth@redhat.com>
9222
9223         PR 22439
9224         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
9225
9226 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
9227
9228         * expr.c (write_complex_part): Return after handling MEM.
9229
9230 2005-08-08  Josh Conner  <jconner@apple.com>
9231
9232         PR rtl-optimization/23241
9233         * combine.c (simplify_comparison): Fix error in determining
9234         whether to lift a subreg from comparison.
9235
9236 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
9237
9238         PR target/18506
9239         * config/rs6000/altivec.md (vec_init<mode>): New.
9240         (vec_set<mode>): New.
9241         (vec_extract<mode>): New.
9242         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
9243         (rs6000_expand_vector_set): New.
9244         (rs6000_expand_vector_extract): New.
9245         (rs6000_legitimate_offset_address_p): Offset addresses are valid
9246         for Altivec modes before reload.
9247         (altivec_expand_vec_init_builtin): New.
9248         (get_element_number): New.
9249         (altivec_expand_vec_set_builtin): New.
9250         (altivec_expand_vec_ext_builtin): New.
9251         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
9252         builtins.
9253         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
9254         builtins.
9255         * config/rs6000/rs6000.h (rs6000_builtins): Add
9256         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
9257         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
9258         * config/rs6000/rs6000-protos.h: Declare new functions.
9259
9260 2005-08-08  Jan Hubicka  <jh@suse.cz>
9261
9262         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
9263         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
9264         * i386.md (movdi*): Use pic_32bit_operand.
9265         * predicates.md (pic_32bit_operand): New.
9266
9267 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
9268
9269         PR c++/21166
9270         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
9271
9272 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
9273
9274         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
9275         (test_for_singularity): Use fold_build2.
9276
9277 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9278
9279         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
9280
9281 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
9282
9283         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9284         (COMMON_ASM_OP) Define.
9285         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
9286         (ix86_encode_section_info): Likewise.
9287         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
9288         SUBTARGET_ENCODE_SECTION_INFO.
9289
9290 2005-08-06  Richard Henderson  <rth@redhat.com>
9291
9292         PR 21894
9293         * tree-nested.c (convert_local_reference): Save and restore val_only
9294         around component_ref and friends.  Clear walk_subtrees by default.
9295
9296 2005-08-06  Peter O'Gorman  <peter@pogma.com>
9297
9298         PR 21366
9299         * gcc.c (process_command): Check the argument to -b has a dash.
9300         * doc/invoke.texi: Update -b and -V docs.
9301
9302 2005-08-06  James E Wilson  <wilson@specifix.com>
9303
9304         * config/mips/cross64.h, config/mips/t-cross64: Delete.
9305
9306 2005-08-06  Michael Matz  <matz@suse.de>
9307
9308         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
9309         member only if only one insn is associated with the value.
9310
9311 2005-08-06  Nick Clifton  <nickc@redhat.com>
9312
9313         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
9314         New define.
9315         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
9316         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
9317         Check symbol flags instead of symbol name mangling.
9318         (xstormy16_asm_output_aligned_common): Likewise.  Also
9319         simplify code since the bss100_section cass is the only case
9320         where the below100 code will be triggered.
9321         (xstormy16_encode_section_info): Encode below100 attribute
9322         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
9323         the name.
9324         (xstormy16_strip_name_encoding): Delete - this function is no
9325         longer needed.
9326         (TARGET_STRIP_NAME_ENCODING): Undefine.
9327         * config/stormy16/stormy16-protos.h: Delete prototype for
9328         xstormy16_strip_name_encoding.
9329
9330 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
9331
9332         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
9333         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
9334         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
9335         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
9336         config/alpha/predicates.md, config/arc/arc.h,
9337         config/arm/arm.h, config/arm/ieee754-df.S,
9338         config/arm/ieee754-sf.S, config/bfin/bfin.c,
9339         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
9340         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
9341         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
9342         config/m68hc11/m68hc11.h, config/mips/mips.c,
9343         config/mips/mips.h, config/mips/openbsd.h,
9344         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
9345         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
9346         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
9347         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
9348         config/sparc/linux.h, config/sparc/linux64.h,
9349         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
9350         doc/extend.texi, doc/gcov.texi, doc/install.texi,
9351         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
9352         typos.  Follow spelling conventions.
9353
9354 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
9355
9356         PR c/23113
9357         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
9358         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
9359         specially.  Check for side effects only for COND_EXPR.
9360         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
9361         return with TREE_NO_WARNING.
9362
9363 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
9364
9365         PR rtl-optimization/23233
9366         * loop.c (combine_movables): Require the modes to be the same.
9367         (move_movables): Remove handling of cases where the replacement
9368         had a different mode to the original.
9369
9370 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
9371
9372         PR tree-optimization/23128
9373         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
9374         subtraction wrap, and set TREE_OVERFLOW if they do.
9375
9376 2005-08-05  Richard Henderson  <rth@redhat.com>
9377
9378         PR 21728
9379         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
9380         FORCED_LABEL labels.
9381
9382 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
9383
9384         PR middle-end/23135
9385         * reload.c (find_reloads_subreg_address): Pass down TYPE
9386         unchanged.  Change all callers except find_reloads_toplev.
9387
9388 2005-08-05  Michael Matz  <matz@suse.de>
9389
9390         * genattrtab.c (current_alternative_string): Remove.
9391         (SIMPLIFY_ALTERNATIVE): Ditto.
9392         (attr_alt_bit_p): Ditto.
9393         (alternative_name): Make const char *.
9394         (evaluate_eq_attr): Remove use of above things.
9395         (simplify_test_exp): Ditto.
9396         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
9397         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
9398
9399 2005-08-04  James E Wilson  <wilson@specifix.com>
9400
9401         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
9402         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
9403         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
9404         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
9405         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
9406
9407 2005-08-04  Richard Henderson  <rth@redhat.com>
9408
9409         PR 21529
9410         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
9411         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
9412         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
9413         if we'd have to instantiate too many members.
9414
9415 2005-08-04  Richard Henderson  <rth@redhat.com>
9416
9417         PR 21291
9418         * tree-outof-ssa.c (coalesce_asm_operands): New.
9419         (coalesce_ssa_name): Use it.  Split out ...
9420         (coalesce_phi_operands, coalesce_result_decls): ... these.
9421
9422 2005-08-04  Paul Brook  <paul@codesourcery.com>
9423
9424         * read-rtl.c (read_quoted_string): Break if EOF.
9425
9426 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
9427
9428         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
9429         (fold_build2): Likewise.
9430         (fold_build3): Likewise.
9431         (fold_build1_stat): New function prototype.
9432         (fold_build2_stat): Likewise.
9433         (fold_build3_stat): Likewise.
9434         * fold-const.c (fold_build1): Rename to ..
9435         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9436         through to build1_stat.
9437         (fold_build2): Rename to ..
9438         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9439         through to build2_stat.
9440         (fold_build3): Rename to ..
9441         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9442         through to build3_stat.
9443
9444 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
9445             Ian Lance Taylor  <ian@airs.com>
9446
9447         * function.c (assign_stack_local_1): Do not correct stack slot
9448         address if allocation size is smaller than mode size.
9449
9450 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
9451
9452         PR 22037
9453         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
9454         (tree_merge_blocks): Propagate anything allowed by
9455         may_propagate_copy.
9456         Clarify documentation.
9457         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
9458         SSA form, schedule an update if necessary.
9459
9460 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
9461
9462         * doc/install.texi (Binaries): Remove broken link to
9463         Sinix/Reliant Unix binaries.
9464
9465 2005-08-03  Richard Henderson  <rth@redhat.com>
9466
9467         PR 23221
9468         * function.c (stack_protect_epilogue): Export.
9469         * tree.h (stack_protect_epilogue): Declare.
9470         * calls.c (expand_call): Call it.
9471
9472 2005-08-03  Eric Christopher  <echristo@apple.com>
9473
9474         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
9475         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
9476         spec.
9477
9478 2005-08-04  Jan Hubicka  <jh@suse.cz>
9479
9480         * profile.c (branch_prob): Split edges with goto locus on them
9481         to get proper line counts.
9482         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
9483
9484 2005-08-03  Paul Brook  <paul@codesourcery.com>
9485
9486         * function.c (assign_parms): Round current_function_args_size
9487         to PARM_BOUNDARY, not STACK_BOUNDARY.
9488
9489 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
9490
9491         * config/i386/i386.c (x86_elf_aligned_common)
9492         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
9493
9494 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
9495
9496         PR tree-optimization/23157
9497         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
9498         before emitting them.
9499
9500 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9501
9502         PR tree-optimization/19899
9503         * Makefile.in (tree-scalar-evolution.o): Add real.h.
9504         * tree-scalar-evolution.c: Include real.h.
9505         (add_to_evolution): Build constant -1 of correct type.
9506
9507 2005-08-03  Jan Hubicka  <jh@suse.cz>
9508
9509         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9510         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9511         profile updating for complette unrolling.
9512         * loop-unroll.c (peel_loop_completely): Use it.
9513         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9514         (tree_unroll_loops_completely): Disable code growing unrolling of cold
9515         loops.
9516
9517 2005-08-03  Paul Brook  <paul@codesourcery.com>
9518
9519         * combine.c (can_change_dest_mode): New function.
9520         (try_combine, simplify_set): Use it.
9521
9522 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
9523
9524         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9525         TFmode to BLKmode.
9526
9527 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
9528
9529         * doc/install.texi (Specific): Adjust link to openavr.org.
9530         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9531         (Binaries): Adjust HP-UX Porting Center link.
9532         (Binaries): Adjust Free Software Foundation ordering link.
9533
9534 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
9535
9536         * convert.c (convert_to_integer): Use fold_build1 instead of
9537         build1 when converting an integer to an integer.
9538
9539 2005-08-02  Richard Henderson  <rth@redhat.com>
9540
9541         * combine.c (combine_instructions): Don't use reg_equal/equiv
9542         results if the mode doesn't match.
9543
9544 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
9545
9546         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9547         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9548
9549 2005-08-02  Richard Henderson  <rth@redhat.com>
9550
9551         PR 23196
9552         * explow.c (memory_address): Remove special-case for
9553         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9554
9555 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
9556
9557         PR 23164
9558         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9559         number of calls to cleanup_tree_cfg_1.
9560
9561 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
9562
9563         * doc/invoke.texi: document file extensions .F90 and .F95
9564
9565 2005-08-02  Richard Guenther  <rguenther@suse.de>
9566
9567         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9568         positive if its first argument is positive.
9569
9570 2005-08-02  Richard Guenther  <rguenther@suse.de>
9571
9572         PR tree-optimization/23177
9573         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9574         on TMR_TAG.
9575
9576 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
9577
9578         PR tree-optimization/23129
9579         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9580         varying for divisions with anti-ranges.
9581
9582 2005-08-02  Jan Hubicka  <jh@suse.cz>
9583
9584         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9585         * tree-ssa-threadupdate.c (thread_block): Add it here.
9586
9587 2005-08-01  James E Wilson  <wilson@specifix.com>
9588
9589         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9590         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9591         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9592         New.
9593         * config/mips/predicates.md (const_call_insn_operand): Add check for
9594         SYMBOL_REF_LONG_CALL_P.
9595         * doc/extend.texi (long_call): Document the new attribute.
9596
9597 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9598             Richard Henderson  <rth@redhat.com>
9599
9600         * Makefile.in (RTL_BASE_H): Add real.h.
9601         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9602         instead of memcpy.
9603         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9604         directly.
9605         * rtl.c (rtl_check_failed_code_mode): New.
9606         * rtl.h (struct rtx_def): Add u.rv.
9607         (XCMWINT, XCNMPRV): New.
9608         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9609         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9610
9611 2005-08-01  Richard Henderson  <rth@redhat.com>
9612
9613         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9614         with auto-inc codes.
9615
9616         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9617
9618 2005-08-01  Jan Hubicka  <jh@suse.cz>
9619
9620         * i386-protos.h (asm_preferred_eh_data_format): Declare.
9621         * i386.c: Include dwarf2.h
9622         (asm_preferred_eh_data_format): New.
9623         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9624
9625 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9626
9627         * config/host-linux.c (linux_gt_pch_get_address): Add new name
9628         randomize_va_space for virtual address randomization control.
9629
9630 2005-08-01  Steven Bosscher  <stevenb@suse.de>
9631
9632         * common.opt (flag_ipa_cp): Put in right place to maintain
9633         alphabetic sort.
9634
9635 2005-08-01  Jan Hubicka  <jh@suse.cz>
9636
9637         * profile.c (compute_value_histograms): Fix thinko.
9638         * value-prof.c: Include toplev.h
9639         (check_counter): New function.
9640         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9641         tree_mod_subtract_transform): Add sanity check.
9642
9643 2005-08-01  Richard Guenther  <rguenther@suse.de>
9644
9645         PR tree-optimization/23133
9646         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9647         current functions parameter decls to find defs to cse
9648         reciprocals of.
9649
9650 2005-08-01  Richard Guenther  <rguenther@suse.de>
9651
9652         PR tree-optimization/23109
9653         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9654         If trapping math is in effect, use post-dominator information
9655         to check if we'd in any case reach a trapping point before
9656         doing the reciprocal insertion.
9657         (execute_cse_reciprocals): Compute post-dominators, if necessary.
9658         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9659         expressions are invariant only if trapping math is not in effect.
9660
9661 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9662
9663         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9664         cgraph_function_versioning): New declarations.
9665         * cgraphunit.c: Add include to ipa-prop.h.
9666         (update_call_expr, cgraph_copy_node_for_versioning,
9667         cgraph_function_versioning): New functions.
9668         * integrate.c (copy_decl_for_inlining): Remove.
9669         * ipa-prop.h (ipa_replace_map): New struct.
9670         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9671         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9672         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9673         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9674         ipcp_iterate_stage, ipcp_method_scale_print,
9675         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9676         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9677         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9678         ipcp_update_bb_counts, ipcp_update_profiling,
9679         ipcp_update_edges_counts): New functions.
9680         (ipcp_method_cval_init): Remove restriction regarding local methods.
9681         (ipcp_init_stage): Add ipcp_method_compute_scale.
9682         (ipcp_insert_stage): Add versioning.
9683         (ipcp_structures_print): Add ipcp_method_scale_print.
9684         (ipcp_driver): Dump profiling info.
9685         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9686         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9687         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9688         (struct inline_data): Add versioning_p, ipa_info, new fields.
9689         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9690         declare_return_variable): Replace calls to copy_decl_for_inlining with
9691         copy_decl_for_dup.
9692         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9693         versioning support.
9694         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9695         Add argument VERSIONING.
9696         (copy_arguments_for_versioning, copy_static_chain,
9697         function_versionable_p, tree_versionable_function_p,
9698         tree_function_versioning, replace_ref_tree): New functions.
9699         * tree-inline.h: Include varray.h.
9700         (tree_versionable_function_p,  tree_function_versioning,
9701         tree copy_decl_for_dup): New declarations.
9702
9703 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9704
9705         * ipa-cp.c: New file. Contains IPCP specific functionality.
9706         * ipa-prop.h: New file. Contains structures/definitions that can be
9707         used by several interprocedural data flow optimizations (and also IPCP).
9708         * ipa-prop.c: New file.
9709         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9710         * common.opt: Add ipa-cp flag.
9711         * timevar.def: Add IPCP optimization.
9712         * tree-optimize.c (init_tree_optimization_passes): Schedule
9713         pass_ipa_cp.
9714         * tree-pass.h (pass_ipa_cp): Declare.
9715
9716 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
9717
9718         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9719         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9720         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9721         config/i386/i386.c, config/mips/mips.h,
9722         config/rs6000/rs6000.h, config/sh/sh.c,
9723         config/stormy16/stormy16.c: Fix comment typos.
9724
9725 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
9726
9727         PR c/22311
9728         * c-typeck.c (build_binary_op): Use common_type wrapper on
9729         shortened types.
9730         (common_type): Update comment.
9731
9732 2005-07-31  Steven Bosscher  <stevenb@suse.de>
9733
9734         PR target/23095
9735         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9736         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9737         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9738
9739 2005-07-31  Jan Hubicka  <jh@suse.cz>
9740
9741         * pretty-print.h (pp_widest_integer): New macro.
9742         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9743         counts.
9744
9745 2005-07-31  Jan Hubicka  <jh@suse.cz>
9746
9747         * output.h (enum section_category): Export from varasm.c
9748         (categorize_decl_for_section): Likewise.
9749         * varasm.c (enum section_category): Kill.
9750         (categorize_decl_for_section): Make global.
9751         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9752         Declare.
9753         * i386.c (ix86_section_threshold): New static variable.
9754         (ix86_in_large_data_p, ix86_encode_section_info,
9755         x86_64_elf_unique_section,
9756         x86_64_elf_select_section): New functions.
9757         (TARGET_ENCODE_SECTION_INFO): Define
9758         (override_options): Enable medium model for PIC.
9759         (ix86_expand_prologue): Expand gen_set_got_rex64.
9760         (legitimate_constant_p): Handle new UNSPECs.
9761         (legitimate_pic_address_disp_p): Likewise.
9762         (legitimize_pic_address): Lower MEDIUM model addressing.
9763         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9764         (enum cmodel): Add MEDIUM_PIC.
9765         (SYMBOL_REF_FAR_ADDR_P): New macro.
9766         (SYMBOL_FLAG_FAR_ADDR): New flag.
9767         * i386.md (movdi): Support medium model.
9768         (set_got_rex64): New pattern.
9769         * i386.opt (mlarge-data-threshold): New flag.
9770         * predicates.md (zext_operand/sext_operand): Deal with medium model.
9771         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9772         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9773         TARGET_ASM_UNIQUE_SECTION): New.
9774
9775         * invoke.texi (-mlarge_data_threshold): Document
9776
9777 2005-07-31  Jan Hubicka  <jh@suse.cz>
9778
9779         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9780         (coalesce_vars): Likewise.
9781         * tree-ssa-live.c (coalesce_cost): New.
9782         (build_tree_conflict_graph): Use coalesce_cost.
9783         * tree-ssa-live.h (coalesce_cost): Declare.
9784
9785 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
9786
9787         * arm.md (all peepholes for post-increment operations): Delete.
9788         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9789         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9790         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9791         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9792         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9793
9794 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
9795
9796         * fold-const.c (tree_expr_nonnegative_p): Always return true for
9797         non-integral types.
9798
9799 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
9800
9801         PR target/22582
9802         * doc/invoke.texi: Document -rdynamic.
9803
9804 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
9805
9806         PR c/23143
9807         * c-parser.c (c_parser_parms_list_declarator): Call
9808         mark_forward_parm_decls.
9809         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9810         decls with visibility structure.
9811
9812 2005-07-30  Paul Brook  <paul@codesourcery.com>
9813
9814         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9815
9816 2005-07-30  Paul Brook  <paul@codesourcery.com>
9817
9818         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9819         prototype.
9820         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9821         value for mode.
9822         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9823
9824 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9825
9826         PR c/529
9827         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9828         nested function declarators.
9829         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9830         (grokparms): Call warn_if_shadowing for parameters used within the
9831         parameter list.
9832         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9833         not used within the parameter list.
9834         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9835
9836 2005-07-30  Jan Hubicka  <jh@suse.cz>
9837
9838         * expr.c (expand_expr_real_1): Do not load mem targets into register.
9839         * i386.c (ix86_fixup_binary_operands): Likewise.
9840         (ix86_expand_unary_operator): Likewise.
9841         (ix86_expand_fp_absneg_operator): Likewise.
9842         * optabs.c (expand_vec_cond_expr): Validate dest.
9843
9844 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9845
9846         PR c/21720
9847         * real.c (real_from_string): Also set last bit if there is a
9848         nonzero hex digit beyond GCC's internal precision after ".".
9849
9850 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
9851
9852         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9853         define_constants.  Change duplicate values to unassigned numbers.
9854         Change UNSPEC_SUBS to UNSPEC_VSUBS.
9855         (*altivec_vspltsf): New.
9856         (altivec_vperm_v4sf): Delete.
9857         (altivec_vperm_<mode>): Use mode macro V.
9858         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9859         (altivec_predicate_v4sf): Delete.
9860         (altivec_predicate_<mode>): Use mode macro V.
9861         (*altivec_lvesfx): New.
9862         (*altivec_stvesfx): New.
9863         (vec_realign_load_v4sf): Delete.
9864         (vec_realign_load_<mode>): Use mode macro V.
9865         * config/rs6000/rs6000.c (generate_set_vrsave): Use
9866         UNSPECV_SET_VRSAVE.
9867
9868 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
9869
9870         PR bootstrap/23131
9871         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9872         string.
9873         * configure: Regenerated.
9874
9875 2005-07-29  Paul Brook  <paul@codesourcery.com>
9876
9877         * doc/install.texi: Add link to GFortran binaries wiki page.
9878
9879 2005-07-29  David Ung  <davidu@mips.com>
9880
9881         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9882         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9883         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9884         * config/mips/mips.md (cpu): Add 5kf name.
9885         (includes): Includes 5k.md.
9886         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9887         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9888         -march flag.
9889
9890 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9891
9892         PR 22550
9893         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9894         (cleanup_tree_cfg): ... here.
9895         Call cleanup_tree_cfg_1 until there are no more cleanups to
9896         do.
9897
9898 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
9899
9900         * tree-vrp.c (compare_range_with_value): Return true or false
9901         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9902         EQ_EXPR respectively.
9903
9904 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
9905
9906         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9907         Fix comment typos.
9908
9909 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9910
9911         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9912         (tree_ssa_dominator_optimize): Increment it.
9913         (dump_dominator_optimization_stats): Print it.
9914
9915 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
9916             Steven Bosscher  <stevenb@suse.de>
9917
9918         PR rtl-optimization/23117
9919         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9920         when head == tail.  Tidy comment.
9921
9922 2005-07-28  Richard Henderson  <rth@redhat.com>
9923
9924         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9925         * cselib.c (rtx_equal_for_cselib_p): Likewise.
9926         * jump.c (rtx_renumbered_equal_p): Likewise.
9927         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9928         CONST_INT and CONST_DOUBLE.
9929         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9930         * reload.c (operands_match_p): Special case CONST_INT and
9931         CONST_DOUBLE; check mode earlier.
9932
9933 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9934
9935         PR c/22240
9936         * c-typeck.c (convert_for_assignment): Do not check
9937         DECL_IN_SYSTEM_HEADER on NULL fundecl.
9938
9939 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9940
9941         PR c/22192
9942         * c-typeck.c (composite_type): Prefer constant size arrays to
9943         VLAs.
9944
9945 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9946
9947         PR c/21720
9948         * real.c (real_from_string): Set last bit if there is a nonzero
9949         hex digit beyond GCC's internal precision.
9950
9951 2005-07-28  Richard Henderson  <rth@redhat.com>
9952
9953         PR rtl-opt/22619
9954         * cfgcleanup.c (try_forward_edges): Watch out for end of
9955         insn chain.
9956
9957 2005-07-28  James E Wilson  <wilson@specifixinc.com>
9958
9959         PR c/23106
9960         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9961
9962 2005-07-28  Jan Hubicka  <jh@suse.cz>
9963
9964         * Makefile.in (rtl-profile.o): Kill all traces of it.
9965         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9966         * coverage.h (rtl_coverage_counter_ref): Kill.
9967         * opts.c (flag_speculative_prefetching_set): Kill.
9968         (flag_loop_optimize_set): New.
9969         (common_handle_option): Disable loop optimizer when profiling;
9970         do not handle speculative prefetching.
9971         * passes.c (init_optimization_passes): Replace pass_profiling combo
9972         by branch_prob pass.
9973         * profile.c (compute_value_histograms): Update for simplified value
9974         profiles.
9975         (rtl_register_profile_hooks): Kill.
9976         (pass_profiling): Kill.
9977         (rest_of_handle_branch_prob): Do not profile.
9978         * toplev.c (process_options): Remove speculative prefetching.
9979         * toplev.h (flag_tree_based_profiling): Kill.
9980         * tree-profile.c (prepare_instrumented_value,
9981         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9982         tree_gen_one_value_profiler, do_tree_profiling): Update for
9983         simplified datastructures.
9984         * value-prof.c: Add comment that speculative prefetching was dropped;
9985         update rest of file for simplified datastructures.
9986         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9987         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9988         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9989         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9990         rtl_mod_subtract, gen_speculative_prefetch,
9991         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9992         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9993         (gate_handle_value_profile_transformations,
9994         rest_of_handle_value_profile_transformations,
9995         pass_value_profile_transformations): Kill.
9996         * value-prof.h (histogram_value_t): Remove IL based unions.
9997         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9998         rtl_profile_hooks): Remove hooks.
9999
10000         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
10001
10002         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
10003         (cgraph_clone_node): Likewise.
10004         * cgraph.h (cgraph_clone_edge): Update prototype.
10005         (cgraph_clone_node): Likewise.
10006         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
10007         cgraph_clone_node.
10008         (lookup_recursive_calls): Consider profile.
10009         (cgraph_decide_recursive_inlining): Fix updating; use new
10010         probability argument; use profile.
10011         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
10012         * tree-inline.c (copy_bb): Update clal of clone_edge.
10013         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
10014
10015         * invoke.texi (min-inline-recursive-probability): Document.
10016
10017 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
10018
10019         * doc/install.texi (Configuration): Update Valgrind homepage.
10020
10021 2005-07-28  Richard Henderson  <rth@redhat.com>
10022
10023         PR middle-end/21362
10024         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
10025         labels we want to delete.
10026         (cfg_layout_merge_blocks): Likewise.
10027
10028 2005-07-28  Richard Henderson  <rth@redhat.com>
10029
10030         PR target/17692
10031         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
10032         when expanding to nothing.
10033
10034 2005-07-28  Josh Conner  <jconner@apple.com>
10035
10036         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
10037         (cgraph_decide_inlining_of_small_functions): Likewise.
10038
10039 2005-07-28  Josh Conner  <jconner@apple.com>
10040
10041         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
10042         direction of badness if negative.
10043         (cgraph_default_inline_p): Add reason to parameters, and assign it
10044         a value.
10045         (cgraph_decide_inlining_of_small_functions): New parameter in call
10046         to cgraph_default_inline_p.
10047         (cgraph_decide_inlining_incrementally): Likewise.
10048         * cgraphunit.c (decide_is_function_needed): Likewise.
10049         * cgraph.h (cgraph_default_inline_p): Likewise.
10050
10051 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10052
10053         * builtins.c: Fix comment typo(s).
10054         * genautomata.c: Likewise.
10055         * gimplify.c: Likewise.
10056         * tree-dfa.c: Likewise.
10057         * tree-flow-inline.h: Likewise.
10058         * tree-into-ssa.c: Likewise.
10059         * tree-ssa-alias.c: Likewise.
10060         * tree-ssa-ccp.c: Likewise.
10061         * tree-ssa-copy.c: Likewise.
10062         * tree-ssa-dce.c: Likewise.
10063         * tree-ssa-dom.c: Likewise.
10064         * tree-ssa-operands.c: Likewise.
10065         * tree-tailcall.c: Likewise.
10066         * tree-vectorizer.c: Likewise.
10067         * tree-vrp.c: Likewise.
10068         * tree.c: Likewise.
10069
10070 2005-07-28  Jeff Law  <law@redhat.com>
10071
10072         * tree-vrp.c (test_for_singularity): Extracted from  ...
10073         (simplify_cond_using_ranges): Attempt to simplify a relational
10074         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
10075
10076 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
10077
10078         PR tree-optimization/22506
10079         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
10080         phis whose argument is constant.
10081
10082 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
10083
10084         PR rtl-optimization/18992
10085         Back out this patch:
10086           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10087           PR optimization/12142
10088           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
10089           uses of the register in the SET_SRC.  Remove unnecessary argument.
10090
10091         Replace it with this:
10092         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
10093         if flag_non_call_exceptions is set and the insn may trap, pass
10094         pc_rtx as dest for recursion.
10095         In SET_SRC part of SET case, if dest is already set, pass it down
10096         unchanged.
10097
10098 2005-07-28  Jan Hubicka  <jh@suse.cz>
10099
10100         * cfg.c (update_bb_profile_for_threading): Use RDIV.
10101         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
10102         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
10103         roundoff errors.
10104         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
10105         profile when available.
10106
10107 2005-07-28  Jan Beulich <jbeulich@novell.com>
10108
10109         * config/ia64/ia64.c (ia64_load_pair_ok): New.
10110         (ia64_print_operand): Describe and handle 'X'.
10111         (ia64_register_move_cost): Also handle FP_REGS.
10112         (ia64_preferred_reload_class): Likewise.
10113         (ia64_secondary_reload_class): Likewise.
10114         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
10115         it. Also check for ITANIUM_CLASS_FLDP.
10116         * config/ia64/ia64.h (FP_REGNO_P): New.
10117         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
10118         (reg_class): Add FP_REGS.
10119         (REG_CLASS_NAMES): Adjust for it.
10120         (REG_CLASS_CONTENTS): Likewise.
10121         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
10122         (REG_CLASS_FROM_LETTER): Handle 'x'.
10123         (CLASS_MAX_NREGS): Handle FP_REGS.
10124         (MEMORY_MOVE_COST): Likewise.
10125         * config/ia64/ia64.md (itanium_class): Add fldp.
10126         (type): Handle fldp.
10127         (movti_internal): More allowable operand combinations. Use ldfp8 when
10128         splitting unnecessary. Remove predicable attribute. Adjust
10129         itanium_class attribute.
10130         (smuldi3_highpart): Remove outdated comment.
10131         (mulditi3, umulditi3, rotlti3): New expanders.
10132         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
10133         (absti2): Disabled new insn for future reference.
10134         Respective new splitters.
10135         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
10136         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
10137         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
10138
10139 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
10140
10141         PR rtl-optimization/23047
10142         * simplify-rtx.c (simplify_const_relational_operation): Respect
10143         flag_wrapv for comparisons with ABS.
10144
10145 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
10146
10147         PR tree-optimization/22493
10148         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
10149         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
10150
10151 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
10152
10153         * config/frv/frv.opt (moptimize-membar): New.
10154
10155         * doc/invoke.texi: Document -moptimize-membar and its inverse.
10156
10157         * config/frv/frv.h: Remove machine_function definition.
10158
10159         * config/frv/frv.c (struct frv_io): New.
10160         (struct machine_function): Moved from frv.h.  Add has_membar_p.
10161         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
10162         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
10163         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
10164         (frv_optimize_membar_global, frv_optimize_membar): New functions.
10165         (frv_reorg): Call frv_optimize_membar when appropriate.
10166         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
10167         (frv_expand_builtin): Adjust calls accordingly.
10168         (frv_io_address_cookie): New function.
10169         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
10170         load or store rather than a special insn.  Add ccnstant address and
10171         io-type operands to the membar.
10172         (frv_ifcvt_modify_tests): Unsign regno.
10173         (frv_ifcvt_modify_tests): Same.
10174
10175         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
10176         UNSPEC_OPTIONAL_MEMBAR constant.
10177         (builtin_read_<mode>): Delete.
10178         (builtin_write_<mode>): Delete.
10179         ("optional_membar_<mode>"): Add operand.
10180
10181         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
10182         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
10183         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
10184         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
10185         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
10186         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
10187         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
10188         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
10189         * testsuite/gcc.target/frv/all-read-write-1.c: New.
10190
10191 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
10192
10193         * df.c (df_uses_record): Handle SCRATCH.
10194
10195 2005-07-28  Steven Bosscher  <stevenb@suse.de>
10196
10197         PR debug/20161
10198         * passes.c (rest_of_decl_compilation): If decl is a type and
10199         we have encountered errors, don't emit debug information.
10200
10201 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
10202
10203         * params.def: Fixed comment.
10204
10205 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
10206
10207         PR target/19885
10208         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
10209         (TARGET_ASM_UNALIGNED_HI_OP): Add.
10210         (TARGET_ASM_UNALIGNED_SI_OP): Add.
10211
10212 2005-07-27  Steven Bosscher  <stevenb@suse.de>
10213
10214         PR c++/22003
10215         * varasm.c (assemble_start_function): Don't do anything that may
10216         require a CFG if the current function is a thunk.
10217
10218 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
10219
10220         * doc/install.texi (Prerequisites): Mention that perl is needed
10221         to do export control in libstdc++ targetting Darwin.
10222
10223 2005-07-27  Steven Bosscher  <stevenb@suse.de>
10224
10225         PR rtl-optimization/17808
10226         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
10227         (sched_insns_conditions_mutex_p): Split out from...
10228         (add_dependence): ...here.  But don't call it from here.
10229         (add_dependence_list): Check sched_insns_conditions_mutex_p
10230         before calling add_dependence.
10231         (add_dependence_list_and_free): Likewise.
10232         (fixup_sched_groups): Likewise.
10233         (sched_analyze_1): Likewise.
10234         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
10235         (sched_analyze): Likewise.
10236         (sched_analyze_insn): Likewise.
10237         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
10238         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
10239         dependencies on all COND_EXEC insns to jumps ending basic blocks
10240         when doing intrablock scheduling.
10241         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
10242
10243 2005-07-27  Jeff Law  <law@redhat.com>
10244
10245         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
10246         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
10247         equivalency sets, correctly handle the case were vr0 has an
10248         equivalency set, but vr1 does not.
10249
10250 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
10251
10252         PR tree-optimization/23073
10253         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
10254         vect_print_dump_info before fprintf.
10255
10256 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10257
10258         PR tree-optimize/22348
10259         * tree-ssa-loop-niter.c (number_of_iterations_cond):
10260         Fold the partial computation.
10261
10262 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10263
10264         PR tree-optimization/22325
10265         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
10266         Declare.
10267         * tree-scalar-evolution.c (scev_const_prop): Add generic final
10268         value replacement.
10269         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
10270         (force_var_cost): ... this function.
10271         (compute_phi_arg_on_exit): Export.
10272
10273 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10274
10275         PR tree-optimization/20773
10276         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
10277         edge.
10278
10279 2005-07-27  Richard Guenther  <rguenther@suse.de>
10280
10281         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
10282         Avoid pushing again if current struct contains only
10283         fields we decomposed.
10284
10285 2005-07-27  Jan Hubicka  <jh@suse.cz>
10286
10287         PR tree-optimization/22574
10288         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
10289         not available.
10290
10291         * tree-tailcall.c (decrease_profile): New function.
10292         (eliminate_tail_call): Use it.
10293
10294         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
10295         visibility flags correctly in whole program mode.
10296
10297 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
10298
10299         PR rtl-optimization/22472
10300         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
10301
10302 2005-07-26  Steven Bosscher  <stevenb@suse.de>
10303
10304         PR tree-optimization/22504
10305         * tree-complex.c (expand_complex_addition): Use 'code' instead
10306         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
10307
10308 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
10309
10310         * config.gcc (cpu_type): Add frv case.
10311         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
10312         (supported_defaults): Add fr550 case.
10313
10314 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
10315
10316         PR 22591
10317         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
10318         whether a pointer of type T * may point to objects of type T *.
10319
10320 2005-07-26  DJ Delorie  <dj@redhat.com>
10321
10322         * configure: Regenerate.
10323
10324 2005-07-26  Dale Johannesen  <dalej@apple.com>
10325
10326         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
10327
10328 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
10329
10330         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
10331         Clarify use of "build" in name.
10332
10333 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
10334
10335         * doc/extend.texi (Raw read/write Functions): New section.
10336         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
10337         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
10338         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
10339         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
10340         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
10341         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
10342         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
10343         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
10344         * config/frv/frv.c: Add bdesc_loads global.
10345         Add bdesc_stores global.
10346         (frv_init_builtins): Add support for __builtin_{read/write}*.
10347         (frv_volatile_memref): New.
10348         (frv_expand_load_builtin): New.
10349         (frv_expand_store_builtin): New.
10350         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
10351         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
10352         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
10353         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
10354         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
10355         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
10356         (builtin_read_<mode>): New.
10357         (builtin_write_<mode>): New.
10358         (builtin_write64): New.
10359         (optional_membar_<mode>): New.
10360
10361 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
10362
10363         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
10364         (rather than units) against HOST_BITS_PER_WIDE_INT.
10365
10366 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
10367
10368         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
10369         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
10370         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
10371         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
10372         FSF address.
10373
10374         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
10375         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
10376         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
10377         comment typos.
10378         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
10379
10380 2005-07-26  Richard Guenther  <rguenther@suse.de>
10381
10382         PR tree-optimization/22486
10383         * fold-const.c (fold_unary): Fold away useless component
10384         references of the form (T *)&T.x, if the address
10385         doesn't change.
10386
10387 2005-07-25  James E Wilson  <wilson@specifixinc.com>
10388
10389         * dwarf2out.c (add_call_src_coords_attributes): New.
10390         (gen_inlined_subroutine_die): Call it.
10391         (maybe_emit_file, init_file_table): Add comments.
10392         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
10393         maybe_emit_file.
10394         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
10395         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
10396         * tree.h (BLOCK_SOURCE_LOCATION): New.
10397         (struct tree_block): New field locus.
10398
10399 2005-07-26  Andreas Schwab  <schwab@suse.de>
10400
10401         PR rtl-optimization/23043
10402         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
10403         when allocating a struct unoccr.
10404
10405 2005-07-25  Richard Henderson  <rth@redhat.com>
10406
10407         PR 22626
10408         * tree-complex.c (gate_no_optimization): True if errors.
10409         * Makefile.in (tree-complex.o): Update dependencies.
10410
10411 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
10412
10413         * config/frv/predicates.md (integer_register_operand): Use
10414         GPR_AP_OR_PSEUDO_P.
10415
10416 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
10417
10418         PR tree-opt/22484
10419         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
10420         after fold.
10421         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
10422
10423 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
10424
10425         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
10426         types when flag_unsafe_math_optimizations is true.
10427
10428 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
10429
10430         * gcc.c (option_map): Add --sysroot.
10431         (process_command): Handle --sysroot.
10432         (display_help): Document it.
10433         * doc/cppopts.tex (-isysroot): Document.
10434         * doc/invoke.texi (--sysroot): Document.
10435         * doc/install.texi (--with-build-sysroot): Document.
10436
10437         * Makefile.in (inhibit_libc): New variable.
10438         (INHIBIT_LIBC_CFLAGS): Likewise.
10439         (LIBGCC2_CFLAGS): Include
10440         $(INHIBIT_LIBC_CFLAGS).
10441         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
10442         ($(T)crtbegin.o): Do not use @inhibit_libc@.
10443         ($(T)crtend.o): Likewise.
10444         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
10445         ($(T)crtendS.o): Likewise.
10446         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
10447         ($(T)crtendT.o): Likewise.
10448         (stmp-fixinc): Do not complain about missing headers if
10449         inhibit_libc.
10450         * configure.ac (inhibit_libc): Set it to true/false.
10451         (--with-build-sysroot): New option.  Use it to set
10452         SYSTEM_HEADER_DIR.
10453         * configure: Regenerated.
10454
10455 2005-07-25  Manfred Hollstein  <mh@suse.com>
10456
10457         * calls.c (store_one_arg): Fix unsigned comparison warning.
10458
10459 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
10460
10461         PR other/22337
10462         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
10463         (ggc_print_statistics): Initialize variable before use.
10464
10465 2005-07-25  Richard Guenther  <rguenther@suse.de>
10466
10467         * tree-dfa.c (mark_new_vars_to_rename): Protect against
10468         calling with a PHI_NODE argument.
10469
10470         * tree-flow-inline.h (overlap_subvar): Protect against
10471         possible overflow.
10472
10473 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
10474
10475         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
10476         * configure: Regenerate.
10477
10478 2005-07-25  Ira Rosen  <irar@il.ibm.com>
10479
10480         * expr.c (highest_pow2_factor): Make extern.
10481         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
10482         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
10483         record_array_differ_p, array_ptr_differ_p): Likewise.
10484         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
10485         additional cases. Call the above functions.
10486         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
10487         base_object_differ_p when there are two base objects. Otherwise, compare
10488         base address and offset. Call may_alias_p.
10489         (dump_data_reference): Use a correct field name.
10490         (analyze_array): Make static. Initialize new data-ref fields.
10491         (analyze_indirect_ref): New function.
10492         (init_data_ref): Initialize new data-ref fields.
10493         (strip_conversion): Moved from tree-vect-analyze.c.
10494         (analyze_offset_expr, get_ptr_offset, address_analysis,
10495         object_analysis): Likewise.
10496         (analyze_offset): New function.
10497         (create_data_ref): Likewise.
10498         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10499         dimensions for ARRAY_REFs only.
10500         (build_classic_dist_vector): Make static.
10501         (access_functions_are_affine_or_constant_p): Call macro to get the
10502         address of access functions.
10503         (compute_all_dependences): Add new parameter
10504         compute_self_and_read_read_dependences. Compute self and read-read
10505         dependences if it is true.
10506         (find_data_references_in_loop): Call create_data_ref. Initialize new
10507         data-ref fields.
10508         (compute_data_dependences_for_loop): Add new parameter
10509         compute_self_and_read_read_dependences. Remove parameter nb_loops,
10510         compute nb_loops. Call compute_all_dependences,
10511         build_classic_dist_vector and build_classic_dir_vector with correct
10512         parameters.
10513         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10514         with correct parameters. Compare dimensions for ARRAY_REFs only.
10515         (free_data_refs): Call macro to free access functions.
10516         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10517         fields from stmt_vinfo.
10518         (struct base_object_info): New structure.
10519         (struct data_reference): Move fields to base_object_info. Add fields
10520         first_location and object_info for above structures. Move fields from
10521         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10522         aligned_to.  Add macros to access the new fields.
10523         Update functions declarations.
10524         * tree-flow.h (is_aliased_with): Declare.
10525         * tree-loop-linear.c (linear_transform_loops): Call
10526         compute_data_dependences_for_loop with correct parameters.
10527         * tree-ssa-alias.c (is_aliased_with): New function.
10528         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10529         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10530         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10531         vect_base_addr_differ_p, compute_subscript_distance and
10532         build_classic_dist_vector. Add printings. Check absolute value of
10533         distance.
10534         (vect_analyze_data_ref_dependences): Go through ddrs instead of
10535         data-refs.
10536         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10537         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10538         to bytes. Add printing.
10539         (vect_compute_data_refs_alignment): Go through loads and stores in one
10540         loop.
10541         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10542         vect_analyze_data_ref_access): Likewise.
10543         (vect_analyze_pointer_ref_access): Remove.
10544         (vect_address_analysis, vect_object_analysis): Likewise.
10545         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10546         and analyze data-refs in the loop.
10547         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10548         fields of data-ref instead of stmt. Add init to the offset from the
10549         base.
10550         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10551         (vect_update_init_of_dr): Likewise.
10552         (vect_update_inits_of_drs): Go through loads and stores in one loop.
10553         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10554         removed fields.
10555         (new_loop_vec_info): Initialize new fields.
10556         (destroy_loop_vec_info): Free new fields.
10557         (vect_strip_conversion): Remove.
10558         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10559         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10560         datarefs. Add new field ddrs.
10561         Add macros for the new fields access.
10562         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10563         base_aligned_p, misalignment, memtag, ptr_info and subvars.
10564         Remove their macros.
10565         * tree.h (highest_pow2_factor): Declare.
10566
10567 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
10568
10569         * calls.c (store_one_arg): Check for sibling call MEM arguments
10570         from already clobbered incoming argument area.
10571
10572 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10573
10574         * c-common.c (check_missing_format_attribute): New.
10575         * c-common.h (check_missing_format_attribute): Likewise.
10576         * c-typeck.c (convert_for_assignment): Use it.
10577
10578 2005-07-24  Andreas Schwab  <schwab@suse.de>
10579
10580         * config/m68k/m68k.md ("extendqidi2"): When source is an address
10581         register use a word move.  Correct operand of ext.w in 68000 code.
10582
10583 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
10584
10585         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10586         variables as declarations, rather than definitions.
10587
10588 2005-07-24  Ira Rosen  <irar@il.ibm.com>
10589
10590         PR tree-optimization/22526
10591         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10592         of the zero node.
10593
10594 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
10595
10596         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10597         that C99 reserve for future use. Use it to define clog10,
10598         clog10f and clog10l.
10599
10600 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10601
10602         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10603         * configure.ac: Check for -Wmissing-format-attribute.
10604
10605         * configure: Regenerate.
10606
10607 2005-07-23  Richard Henderson  <rth@redhat.com>
10608
10609         PR tree-optimization/22623
10610         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10611
10612 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
10613
10614         PR target/22577
10615         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10616
10617 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10618
10619         * Makefile.in (C_TREE_H): Update dependencies.
10620         * c-tree.h: Include toplev.h.
10621         * diagnostic.h (diagnostic_set_info): Add format attribute.
10622         * rtl-error.c (diagnostic_for_asm): Likewise.
10623
10624 2005-07-23  Chao-ying Fu  <fu@mips.com>
10625
10626         * config/mips/mips-dsp.md: New file.
10627         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10628         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10629         functions.
10630         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10631         MIPS_BUILTIN_BPOSGE32.
10632         (mips_expand_builtin_direct): Add one parameter to indicate that
10633         builtin functions need to return a value.
10634         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10635         functions.
10636         (mips_regno_to_class): Add classes for 12 new DSP registers.
10637         (mips_subword): Change to check four HI registers.
10638         (mips_output_move): Output move to and from 6 new DSP accumulators.
10639         (override_options): Make sure -mdsp and -mips16 are not used together.
10640         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
10641         for machine modes.
10642         (mips_conditional_register_usage): Disable 6 new DSP accumulators
10643         when !TARGET_DSP.
10644         (print_operand): Add 'q' for printing DSP accumulators.
10645         (mips_cannot_change_mode_class): Check ACC_REGS.
10646         (mips_secondary_reload_class): Check ACC_REGS.
10647         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10648         (mips_register_move_cost): Check ACC_REGS.
10649         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10650         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10651         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10652         (dsp_bdesc): New array.
10653         (bdesc_arrays): Add DSP builtin function table.
10654         (mips_prepare_builtin_arg): Check predicate again after
10655         copy_to_mode_reg.
10656         (mips_expand_builtin): Add one more parameter to
10657         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10658         MIPS_BUILTIN_BPOSGE32.
10659         (mips_init_builtins): Initialize new function types.
10660         (mips_expand_builtin_direct): Check if builtin functions need to
10661         return a value and pass operands properly.
10662         (mips_expand_builtin_bposge): New function.
10663         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10664         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10665         (FIRST_PSEUDO_REGISTER): Increase to 188.
10666         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10667         Update for 12 new DSP registers.
10668         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10669         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10670         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10671         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10672         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10673         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10674         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10675         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10676         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10677         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10678         (REGISTER_NAMES): Add names for 12 new DSP registers.
10679         * config/mips/mips.md: Include mips-dsp.md.
10680         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10681         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10682         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10683         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10684         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10685         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10686         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10687         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10688         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10689         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10690         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10691         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10692         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10693         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10694         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10695         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10696         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10697         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10698         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10699         (UNSPEC_RDDSP): New constants.
10700         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10701         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
10702         A<-d alternative.
10703         * config/mips/mips.opt (-mdsp): New option.
10704         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10705         (reg_imm10_operand): New predicates.
10706         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10707         * doc/invoke.texi (-mdsp): Document new option.
10708
10709 2005-07-22  DJ Delorie  <dj@redhat.com>
10710
10711         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10712         to warning calls.
10713         * tree-inline.c (inlinable_function_p): Likewise.
10714
10715 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
10716
10717         PR debug/21828
10718         * toplev.c (check_global_declarations): Do not mark undefined
10719         variables as DECL_IGNORED_P.
10720         * varasm.c (first_global_object_name): GTY it.
10721         (weak_global_object_name): Likewise.
10722         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10723         a string to go into {weak,first}_global_object_name.
10724
10725 2005-07-22  DJ Delorie  <dj@redhat.com>
10726
10727         * c-format.c (check_function_format): Change warning control
10728         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10729
10730 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
10731
10732         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10733         &PTR->FLD a dereference of PTR.
10734         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10735         a potential dereference of PTR.
10736
10737 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
10738
10739         PR rtl-optimization/20370
10740         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10741         call allocate_reg_info if necessary.
10742
10743         PR rtl-optimization/21848
10744         * calls.c (emit_library_call_value_1): For const functions, add
10745         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10746
10747         PR rtl-optimization/22445
10748         * cselib.c (target.h): Include.
10749         (rtx_equal_for_cselib_p): Allow commutative matches.
10750         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10751         Remove MODE parameter.  Changed all callers.
10752
10753         PR rtl-optimization/22258
10754         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10755         New functions.
10756         (try_combine): Use likely_spilled_retval_p.
10757
10758 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
10759
10760         * config.gcc: Add crx-elf support.
10761
10762         * doc/contrib.texi: Mention crx.
10763         * doc/extend.texi: Document crx extensions.
10764         * doc/install.texi: Document crx install.
10765         * doc/invoke.texi: Document crx options.
10766         * doc/md.texi: Document crx constraints.
10767
10768         * config/crx/crx-protos.h: New file.
10769         * config/crx/crx.c: New file.
10770         * config/crx/crx.h: New file.
10771         * config/crx/crx.md: New file.
10772         * config/crx/crx.opt: New file.
10773         * config/crx/t-crx: New file.
10774
10775 2005-07-22  Manfred Hollstein  <mh@suse.com>
10776
10777         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10778         warnings.
10779         (int_add_graph_edge): Likewise.
10780         (collapse_nodes): Likewise.
10781         (process_unification_queue): Likewise.
10782
10783 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10784             Laurent GUERBY  <laurent@guerby.net>
10785
10786         PR tree-optimization/22336
10787         * function.c (record_block_change): Check for
10788         cfun->ib_boundaries_block.
10789
10790 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
10791
10792         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10793         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10794
10795 2005-07-21  DJ Delorie  <dj@redhat.com>
10796
10797         * toplev.c (warn_deprecated_use): Add warning control to warning
10798         call.
10799         * c-typeck.c (parser_build_binary_op): Likewise.
10800         (c_finish_if_stmt): Likewise.
10801         * c-common.c (check_function_sentinel): Likewise.
10802         (check_nonnull_arg): Likewise.
10803
10804 2005-07-21  Richard Henderson  <rth@redhat.com>
10805
10806         PR tree-opt/22504
10807         * tree-complex.c (complex_ssa_name_components): New.
10808         (cvc_lookup): Allow entry not found.
10809         (create_components): Remove.
10810         (create_one_component_var, get_component_var): New.
10811         (get_component_ssa_name, set_component_ssa_name): New.
10812         (extract_component): Use get_component_ssa_name.
10813         (update_complex_components): Use set_component_ssa_name.
10814         (update_complex_components_on_edge): Likewise.
10815         (update_phi_components): Create new PHI nodes directly, instead
10816         of adding insns to edges.
10817         (tree_lower_complex): Allocate and free complex_variable_components
10818         and complex_ssa_name_components here.
10819
10820 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
10821
10822         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10823         revert to returning false.
10824
10825 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10826
10827         PR target/21149
10828         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10829
10830 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10831
10832         PR target/22576
10833         * config/i386/i386.md (cmpxf): Change operand constraints
10834         to "nonmemory_operand".
10835
10836 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10837
10838         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10839
10840 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10841
10842         PR middle-end/21180
10843         * fold-const.c (fold_build1): Add checksum for the operands.
10844         (fold_build2): Likewise.
10845         (fold_build3): Likewise.
10846
10847 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10848
10849         PR middle-end/19055
10850         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10851
10852 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10853
10854         * common.opt (-fforward-propagate): Committed by mistake,
10855         removed.
10856
10857 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10858
10859         * reg-stack.c: Fix comment typo(s).
10860         * tree-ssa-operands.c: Likewise.
10861         * tree-vectorizer: Likewise.
10862
10863 2005-07-21  Nick Clifton  <nickc@redhat.com>
10864
10865         * config/sh/symbian.c: Replace C++ style line comments with C
10866         style line comments.
10867         (symbian_add_attribute): Do not use a ? operator on the LHS of
10868         an assignment.
10869         (sh_symbian_handle_dll_attribute): Change the type of the
10870         method vector to "VEC(tree,gc)*" and use vector accessor
10871         macros to walk over the elements.
10872         (symbian_export_vtable_and_rtti_p): Likewise.
10873         (symbian_class_needs_attribute_p): Likewise.
10874
10875 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10876
10877         PR target/22085
10878         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10879         initialize targetm.resolve_overloaded_builtin here.
10880         (altivec_expand_overloaded_builtin): Make it non-static.
10881         * config/rs6000/rs6000-protos.h
10882         (altivec_expand_overloaded_builtin): New prototype.
10883         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10884         targetm.resolve_overloaded_builtin here.
10885         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10886
10887 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10888             Zdenek Dvorak  <dvorakz@suse.cz>
10889
10890         PR tree-optimization/19210
10891         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10892         New.
10893         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10894         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10895         rely on unproven assumptions.
10896         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10897         * tree-flow.h (number_of_iterations_exit): Add final parameter.
10898         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10899         to number_of_iterations_exit.
10900         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10901         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10902         * tree-ssa-loop-niter.c (find_loop_niter,
10903         estimate_numbers_of_iterations_loop): Likewise.
10904         (number_of_iterations_exit): Honor the new options.
10905         * doc/invoke.texi (Wunsafe-loop-optimizations,
10906         funsafe-loop-optimizations): Document them.
10907
10908 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
10909
10910         PR rtl-optimization/22167
10911         * gcse.c (hoist_code): Fix hoist_exprs[] check.
10912
10913 2005-07-20  Adam Nemet  <anemet@lnxw.com>
10914
10915         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10916         __do_global_dtors_aux longcall.
10917
10918 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
10919
10920         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10921         (old_special_pred_table): Don't reference
10922         SPECIAL_MODE_PREDICATES.
10923         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10924         * config/arc/arc.h: Don't mention PREDICATE_CODES.
10925         * config/sh/predicates.h: Don't mention
10926         SPECIAL_MODE_PREDICATES.
10927         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10928         Remove.
10929
10930 2005-07-20  DJ Delorie  <dj@redhat.com>
10931
10932         * config.gcc: Add m32c-elf support.
10933
10934         * doc/contrib.texi: Mention m32c.
10935         * doc/extend.texi: Document m32c extensions.
10936         * doc/install.texi: Mention m32c.
10937         * doc/invoke.texi: Document m32c options.
10938         * doc/md.texi: Document m32c constraints.
10939
10940         * config/m32c/addsub.md: New file.
10941         * config/m32c/bitops.md: New file.
10942         * config/m32c/cond.md: New file.
10943         * config/m32c/jump.md: New file.
10944         * config/m32c/m32c-lib1.S: New file.
10945         * config/m32c/m32c-lib2.c: New file.
10946         * config/m32c/m32c-modes.def: New file.
10947         * config/m32c/m32c-pragma.c: New file.
10948         * config/m32c/m32c-protos.h: New file.
10949         * config/m32c/m32c.abi: New file.
10950         * config/m32c/m32c.c: New file.
10951         * config/m32c/m32c.h: New file.
10952         * config/m32c/m32c.md: New file.
10953         * config/m32c/m32c.opt: New file.
10954         * config/m32c/minmax.md: New file.
10955         * config/m32c/mov.md: New file.
10956         * config/m32c/muldiv.md: New file.
10957         * config/m32c/predicates.md: New file.
10958         * config/m32c/prologue.md: New file.
10959         * config/m32c/shift.md: New file.
10960         * config/m32c/t-m32c: New file.
10961
10962 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10963
10964         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10965         (stack_protect_set, stack_protect_test): New expanders.
10966         (stack_protect_set_si, stack_protect_set_si_media,
10967         stack_protect_set_di_media, stack_protect_test_si,
10968         stack_protect_test_si_media, stack_protect_test_di_media):
10969         New insns.
10970
10971 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
10972
10973         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10974
10975 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
10976
10977         * tree.h (tree_expr_nonzero_p): Export.
10978         * fold-const.c (tree_expr_nonzero_p): Likewise.
10979         Return true for CALL_EXPRs that are alloca calls.
10980         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10981         against zero.
10982         * tree-flow.h (expr_computes_nonzero): Remove.
10983         * tree-vrp.c (expr_computes_nonzero): Remove.
10984         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10985         (extract_range_from_unary_expr): Likewise.
10986         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10987         tree_expr_nonzero_p.
10988
10989 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
10990
10991         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10992         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
10993         extra arg "picreg" and use it instead of pic_offset_table_rtx.
10994         All callers changed.
10995         (frame_related_constant_load): New arg "related" which controls
10996         setting of RTX_FRAME_RELATED_P.  All callers changed.
10997         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10998         (bfin_expand_prologue): Add stack limit checking.
10999         * config/bfin/bfin.md (trapifcc): New pattern.
11000
11001         * config/bfin/bfin.c: Include "langhooks.h".
11002         (def_builtin): Go through lang_hooks to call builtin_function.
11003
11004         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
11005         * config/bfin/predicates.md (symbol_ref_operand): New.
11006         (call_insn_operand): Delete.  All callers changed to use
11007         register_no_elim_operand.
11008         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
11009         call_cookie field.
11010         (function_arg): Use it to generate the call's operand 2.
11011         (bfin_longcall_p): New function.
11012         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
11013         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
11014         determine if the address needs to be in a REG.
11015         (bfin_handle_longcall_attribute): New function.
11016         (bfin_attribute_table): Add "longcall" and "shortcall".
11017         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
11018         (CUMULATIVE_ARGS): New member call_cookie.
11019         (PREDICATE_CODES): Add symbol_ref_operand.
11020         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
11021         extra USE to the pattern.
11022         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
11023         New patterns, split off call_insn, sibcall_insn, call_value_insn and
11024         sibcall_value_insn; now the new patterns handle direct calls and the
11025         old ones indirect calls.
11026         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
11027
11028 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
11029
11030         * doc/trouble.texi: Update section on handling of empty loops.
11031
11032 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
11033
11034         * config.gcc: Remove support for sparc-*-openbsd*,
11035         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
11036         ns32k-*-netbsd*.
11037         * config.host: Remove support for i860-*-sysv4* as a host.
11038         * config/i860/*, config/ip2k/*, config/ns32k/*,
11039         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
11040         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
11041         mention obsolete ports.
11042
11043 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11044
11045         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
11046         soft frame pointer.
11047         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
11048         of frame_pointer_rtx.
11049         (sh_expand_epilogue): Likewise.
11050         (sh_set_return_address): Likewise.
11051         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
11052         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
11053         offsets from FRAME_POINTER_REGNUM.
11054         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
11055         (sh_register_names): Add initializer for sfp.
11056         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
11057         (VALID_REGISTER_P): Likewise.
11058         (FIRST_PSEUDO_REGISTER): Update.
11059         (DWARF_FRAME_REGISTERS): Define.
11060         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
11061         (HARD_FRAME_POINTER_REGNUM): Define.
11062         (FRAME_POINTER_REGNUM): Redefine.
11063         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
11064         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
11065         from FRAME_POINTER_REGNUM.
11066         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
11067         FRAME_POINTER_REGNUM.
11068         (REG_CLASS_CONTENTS): Add sfp.
11069         (REG_ALLOC_ORDER): Likewise.
11070         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
11071         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
11072         of frame_pointer_rtx.
11073         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
11074
11075 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
11076
11077         * fold-const.c (tree_expr_nonnegative_p): Only return true for
11078         ABS_EXPR when flag_wrapv is false because of INT_MIN.
11079         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
11080         of an ABS_EXPR.
11081         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
11082         ABS_EXPR<x>.
11083
11084 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
11085
11086         Make CONSTRUCTOR use VEC to store initializers.
11087         * c-common.c (complete_array_type): Update to cope with VEC in
11088         CONSTRUCTOR_ELTS.
11089         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
11090         (pp_c_constructor_elts): New function.
11091         * c-pretty-print.h (pp_c_constructor_elts): Declare.
11092         * c-typeck.c (build_function_call, build_c_cast, digest_init,
11093         struct constructor_stack, struct initializer_stack,
11094         constructor_elements, push_init_level, pop_init_level,
11095         add_pending_init, find_init_member, output_init_element): Update to
11096         cope with VEC in CONSTRUCTOR_ELTS.
11097         * coverage.c (build_fn_info_value, build_ctr_info_value,
11098         build_gcov_info): Likewise.
11099         * expr.c (categorize_ctor_elements_1, store_constructor,
11100         expand_expr_real_1): Likewise.
11101         * fold-const.c (fold_ternary): Likewise.
11102         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
11103         gimplify_init_constructor, gimplify_expr): Likewise.
11104         * tree-dump.c (dequeue_and_dump): Likewise.
11105         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
11106         node.
11107         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
11108         CONSTRUCTOR_ELTS.
11109         * tree-sra.c (generate_element_init_1): Likewise.
11110         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
11111         * tree-ssa-operands.c (get_expr_operands): Likewise.
11112         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
11113         * tree-vect-transform.c (vect_get_vec_def_for_operand):
11114         (get_initial_def_for_reduction): Likewise.
11115         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
11116         value handle in annotations.
11117         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
11118         tree_node_structure): Add support for constr_kind.
11119         (build_vector_from_ctor, build_constructor_single,
11120         build_constructor_from_list): New functions.
11121         (build_constructor): Update to take a VEC instead of a TREE_LIST.
11122         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
11123         Update to cope with VEC in CONSTRUCTOR_ELTS.
11124         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
11125         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
11126         CONSTRUCTOR_APPEND_ELT): New macros.
11127         (struct constructor_elt, struct tree_constructor): New data types.
11128         (union tree_node): Add tree_constructor field.
11129         * treestruct.def: Define TS_CONSTRUCTOR.
11130         * varasm.c (const_hash_1, compare_constant, copy_constant,
11131         compute_reloc_for_constant, output_addressed_constants,
11132         initializer_constant_valid_p, output_constant,
11133         array_size_for_constructor, output_constructor): Update to cope with
11134         VEC in CONSTRUCTOR_ELTS.
11135         * vec.h (VEC_empty, VEC_copy): New macros.
11136
11137 2005-07-19  Devang Patel  <dpatel@apple.com>
11138
11139         * dbxout.c (dbxout_type): Check Objective-C++ lang.
11140
11141 2005-07-19  Richard Henderson  <rth@redhat.com>
11142
11143         PR tree-opt/22278
11144         * gimplify.c (gimplify_expr): Use main variant type for the temp
11145         destination for a discarded volatile read.
11146         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
11147         casts between non-void types that change volatility.
11148
11149 2005-07-15  DJ Delorie  <dj@redhat.com>
11150
11151         * toplev.h: Add comment about the first parameter for warning().
11152         * errors.h: Likewise.
11153
11154         * c.opt (Wpragmas): New.
11155         * doc/invoke.texi: Document it.
11156
11157         * function.c (do_warn_unused_parameter): Add warning control to
11158         warning call.
11159         * c-decl.c (warn_if_shadowing): Likewise.
11160         * c-lex.c (cb_def_pragma): Likewise.
11161         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
11162         (pop_alignment): Likewise.
11163         (handle_pragma_pack): Likewise.
11164         (apply_pragma_weak): Likewise.
11165         (handle_pragma_weak): Likewise.
11166         (handle_pragma_redefine_extname): Likewise.
11167         (add_to_renaming_pragma_list): Likewise.
11168         (handle_pragma_extern_prefix): Likewise.
11169         (maybe_apply_renaming_pragma): Likewise.
11170         (handle_pragma_visibility): Likewise.
11171
11172         * config/c4x/c4x-c.c (BAD): Likewise.
11173         (c4x_parse_pragma): Likewise.
11174         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
11175         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
11176         (rs6000_pragma_longcall): Likewise.
11177         * config/v850/v850-c.c (pop_data_area): Likewise.
11178         (ghs_pragma_section): Likewise.
11179         (ghs_pragma_section): Likewise.
11180         (ghs_pragma_interrupt): Likewise.
11181         (ghs_pragma_starttda): Likewise.
11182         (ghs_pragma_startsda): Likewise.
11183         (ghs_pragma_startzda): Likewise.
11184         (ghs_pragma_endtda): Likewise.
11185         (ghs_pragma_endsda): Likewise.
11186         (ghs_pragma_endzda): Likewise.
11187
11188 2005-07-19  Danny Berlin <dberlin@dberlin.org>
11189             Kenneth Zadeck <zadeck@naturalbridge.com>
11190
11191         * Makefile.in: Removed tree-promote-statics.c
11192         * tree-promote-statics.c: Removed.
11193         * common.opt: Removed flag-promote-statics.
11194         * opts.c: Ditto.
11195         * passes.c: Removed tree-promote-statics pass.
11196         * tree-pass.h: Ditto.
11197         * timevar.def: Removed TV_PROMOTE_STATICS.
11198
11199
11200 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
11201
11202         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
11203         and *-*-freebsd9.
11204         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
11205
11206 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11207
11208         PR c/22476
11209         * c-common.c (check_function_arguments): Call
11210         'check_function_format' if either -Wformat or
11211         -Wmissing-format-attribute are specified.
11212         * c-format.c (check_function_format): Check -Wformat before
11213         calling 'check_format_info'.
11214         * c-opts.c (c_common_post_options): Don't warn for
11215         -Wmissing-format-attribute without -Wformat.
11216         * c-typeck.c (convert_for_assignment): Detect additional cases for
11217         -Wmissing-format-attribute.
11218         * doc/invoke.texi (-Wmissing-format-attribute): Document new
11219         behavior.
11220
11221 2005-07-19  Richard Guenther  <rguenther@suse.de>
11222
11223         * config/i386/i386.md (lrint<mode>2): Use temporary
11224         instead of clobbering non-existent memory.
11225
11226 2005-07-19  Nick Clifton  <nickc@redhat.com>
11227
11228         * config/avr/avr.c (legitimate_address_p): Fix debugging print
11229         statement to avoid displaying ASCII control characters.
11230
11231 2005-07-19  Ben Elliston  <bje@au.ibm.com>
11232
11233         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
11234         * cfganal.c (find_edge_index): Ditto.
11235         * combine.c (combine_instructions): Ditto.
11236         * ddg.c (create_scc): Ditto.
11237         (find_successors): Ditto.
11238         (find_predecessors): Ditto.
11239         (find_nodes_on_paths): Ditto.
11240         (longest_simple_path): Ditto.
11241         * flow.c (update_life_info): Ditto.
11242         (count_or_remove_death_notes): Ditto.
11243         (clear_log_links): Ditto.
11244         * modulo-sched.c (generate_reg_moves): Ditto.
11245         (find_max_asap): Ditto.
11246         (find_max_hv_min_mob): Ditto.
11247         (find_max_dv_min_mob): Ditto.
11248         * sbitmap.c (sbitmap_first_set_bit): Ditto.
11249         * sched-rgn.c (extract_edgelst): Ditto.
11250         * tree-into-ssa.c (prepare_names_to_update): Ditto.
11251         (dump_update_ssa): Ditto.
11252         (ssa_names_to_replace) Ditto.
11253         (switch_virtuals_to_full_rewrite): Ditto.
11254         (update_ssa): Ditto.
11255         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
11256
11257 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
11258
11259         Fix PR tree-optimization/22483
11260
11261         * tree-complex.c (create_components): Use
11262         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
11263         * tree-flow-inline.h (fill_referenced_var_vec): New function.
11264         * tree-flow.h (safe_referenced_var_iterator): New structure.
11265         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
11266         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
11267         safe_referenced_var iterator.
11268         (add_type_alias): Ditto.
11269
11270 2005-07-19  Steven Bosscher  <stevenb@suse.de>
11271
11272         * loop-init.c (rest_of_handle_loop2): Remove.
11273         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
11274         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
11275         (pass_rtl_loop_init, pass_rtl_loop_done,
11276         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
11277         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
11278         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
11279         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
11280         pass_tree_loop_done, and pass_tree_unswitch.
11281         (gate_loop): Rename to gate_tree_loop.
11282         * passes.c (init_optimization_passes): Update for renamed tree
11283         loop passes.  Add the new loop2 passes as subpasses of loop2.
11284         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
11285         Update for the renamed tree loop passes.
11286
11287 2005-07-18  Ian Lance Taylor  <ian@airs.com>
11288
11289         PR middle-end/22057
11290         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
11291         blocks when optimizing.
11292
11293 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
11294
11295         * common.opt (frename-registers): Initialize to 2.
11296         (fweb): Ditto.
11297         (fgcse-after-reload): Ditto.
11298         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
11299         (process_options): Only change flag_web, flag_rename_registers,
11300         and flag_rerun_cse_after_loop if not explicitly set by user.
11301
11302 2005-07-18  Jan Beulich  <jbeulich@novell.com>
11303
11304         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
11305         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
11306         in 64-bit mode the same as DImode in 32-bit mode.
11307         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
11308         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
11309         mode. Add new mode parameter.
11310         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
11311         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
11312         x86_64_shift_adj): New expanders.
11313         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
11314         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
11315         insns.
11316         Respective new splitters. Use renamed shift splitter helpers in 32-bit
11317         DImode shift splitters.
11318         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
11319         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
11320         mode parameter.
11321
11322 2005-07-18  Jan Beulich  <jbeulich@novell.com>
11323
11324         * i386.md (movdi_extzv_1): New.
11325         (zero_extendhidi2): Combine alternatives and never force use of
11326         REX64 prefix.
11327         (zero_extendqidi2): Likewise. Don't restrict input selection.
11328
11329 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11330
11331         Fix PR tree-optimization/22531
11332         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
11333          moment.
11334
11335 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11336
11337         * tree-promote-statics.c (pass_promote_statics): Change dump file
11338          name.
11339
11340 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11341
11342         * tree-optimize.c (init_tree_optimization_passes): Add
11343         pass_eliminate_useless_stores pass.
11344         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
11345         * tree-ssa-pre.c (is_copy_stmt): New function.
11346         (follow_copies_till_vuse): Ditto.
11347         (do_eustores): Ditto.
11348         (gate_eustores): Ditto.
11349
11350 2005-07-16  Richard Henderson  <rth@redhat.com>
11351
11352         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
11353
11354 2005-07-16 Danny Berlin <dberlin@dberlin.org>
11355            Kenneth Zadeck <zadeck@naturalbridge.com>
11356
11357         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
11358         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
11359         ipa-type-escape.h, tree-promote-statics.c
11360         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
11361         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
11362         tree-promote-statics.c: new files.
11363         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
11364         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
11365         int nonlocal_set_p, mark_constant_function): Deleted.
11366         (rest_of_handle_cfg): Removed call to mark_constant_function.
11367         (nonoverlapping_component_refs_p): Added calls to support
11368         type based aliasing.
11369         * tree-ssa-alias.c (may_alias_p,
11370         compute_flow_insensitive_aliasing): Ditto.
11371         * calls.c (flags_from_decl_or_type): Removed reference to
11372         cgraph_rtl_info.
11373         * c-typeck.c (convert_arguments): Make builtins tolerant of having
11374         too many arguments.  This is necessary for Spec 2000.
11375         * cgraph.h (const_function, pure_function): Removed.
11376         * common.opt: Added "fipa-pure-const", "fipa-reference",
11377         "fipa-type-escape", and "ftree-promote-static".
11378         * opts.c: Ditto.
11379         * passes.c: Added ipa and tree-promote-statics passes.
11380         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
11381         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
11382         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
11383         * tree-flow.h: Added exposed sra calls and addition of
11384         reference_vars_info field for FUNCTION_DECLS.
11385         * tree-pass.h: Added passes.
11386         * tree-sra.c: (sra_init_cache): New function.
11387         (sra_insert_before, sra_insert_after) Made public.
11388         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
11389         and made public.
11390         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
11391         aliasing. (may_alias_p): Added code to use type escape analysis to
11392         improve alias sets.
11393         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
11394         code to prune clobbers of static variables based on information
11395         produced in ipa-reference pass.  Changed call clobbering so that
11396         statics are not marked as clobbered if the call does not clobber
11397         them.
11398
11399 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
11400
11401         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
11402         too.
11403
11404 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
11405
11406         * doc/install.texi (*-*-solaris2*): Document recommended version
11407         of GNU binutils and mention GNU linker problem on Solaris 10.
11408
11409 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
11410
11411         PR c/22421
11412         * c-decl.c (c_build_bitfield_integer_type): New function.
11413         (finish_struct): Call it.
11414         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
11415
11416 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11417
11418         * c-typeck.c (digest_init): Call 'convert_for_assignment'
11419         before returning.
11420
11421 2005-07-16  Jan Hubicka  <jh@suse.cz>
11422
11423         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
11424         (scale_bbs_frequencies_int): Watch roundoff errors.
11425         * predict.c (return_prediction): Initialize return_stmt.
11426
11427 2005-07-16  Jan Hubicka  <jh@suse.cz>
11428
11429         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
11430         after RTL profiling.
11431
11432 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
11433
11434         PR middle-end/22398
11435         * fold-const.c (build_range_check): Convert high/low to etype
11436         if we are only comparing against exp.
11437
11438 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
11439
11440         Fix PR tree-optimization/22376
11441         * tree-ssa-structalias.c (build_constraint_graph): We really meant
11442         special var here.
11443         (need_to_solve): New function.
11444         (compute_points_to_sets): Use it.
11445
11446 2005-07-15  Jan Hubicka  <jh@suse.cz>
11447
11448         * cfg.c (update_bb_profile_for_threading): More diagnostic.
11449         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
11450
11451 2005-07-15  Richard Guenther  <rguenther@suse.de>
11452
11453         * c-common.c (handle_flatten_attribute): New function.
11454         Add flatten function attribute.
11455         * doc/extend.texi: Document flatten function attribute.
11456         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
11457         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
11458         New functions.
11459         (cgraph_decide_inlining): Handle functions with flatten
11460         attribute.
11461
11462 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
11463
11464         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
11465         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
11466         UNSPEC_XCHG, UNSPEC_AND): New.
11467         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
11468         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
11469         * config/rs6000/sync.md (FETCHOP): New code macro.
11470         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
11471         New code attrs.
11472         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
11473         (sync_compare_and_swap<mode>): Same.
11474         (sync_lock_test_and_set<mode>): Same.
11475         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
11476         for QImode and HImode, and not PPC405.
11477         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
11478         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
11479         (sync_<fetchop>{si,di}_internal): New.
11480         (sync_nand{si,di}_internal): New.
11481         (sync_old_<fetchop>{si,di}_internal): New.
11482         (sync_old_nand{si,di}_internal): New
11483         (sync_new_<fetchop>{si,di}_internal): New.
11484         (sync_new_nand{si,di}_internal): New.
11485         (atomic_and{si,di}): New.
11486         (sync_new_nand{si,di}_internal): New.
11487         (atomic_and{si,di}): New.
11488         (sync_add<mode>_internal): Delete.
11489         (sync_addshort_internal): Use unspec instead of unspec_volatile.
11490         (sync_sub<mode>_internal): Delte.
11491         (sync_subshort_internal): New.
11492         (sync_andsi_internal): Use unspec instead of unspec_volatile.
11493         (sync_anddi_internal): Delete.
11494         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
11495         (sync_booldi_internal): Delete.
11496         (sync_boolc<mode>_internal): Delete.
11497         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11498         (sync_boolc<mode>_internal2): Delete.
11499         (sync_boolcc<mode>_internal): Delete.
11500         (isync, lwsync): Use unspec instead of unspec_volatile.
11501         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11502         Revert UNSPEC_VOLATILE.
11503         (rs6000_split_atomic_op): New.
11504         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11505
11506 2005-07-14  Eric Christopher  <echristo@redhat.com>
11507
11508         * config/mips/mips.c (mips_canonicalize_comparison): Cast
11509         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11510
11511 2005-07-14  Eric Christopher  <echristo@redhat.com>
11512
11513         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11514
11515 2005-07-14  Steven Bosscher  <stevenb@suse.de>
11516
11517         PR tree-optimization/22230
11518         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11519         the computation of the four cross productions for "range op range".
11520
11521 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
11522             Ulrich Weigand  <uweigand@de.ibm.com>
11523
11524         PR target/20126
11525         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11526         in some insn.
11527
11528 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
11529
11530         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11531
11532 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
11533
11534         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11535
11536 2005-07-14  Richard Guenther  <rguenther@suse.de>
11537
11538         PR middle-end/22347
11539         * config/i386/i386-protos.h (ix86_function_value): Change
11540         prototype to match new target hook.
11541         * config/i386/i386.c (ix86_value_regno): Change prototype
11542         to take extra type argument.
11543         (TARGET_FUNCTION_VALUE): Define.
11544         (ix86_function_ok_for_sibcall): Pass extra argument to
11545         ix86_value_regno, check return slot rtx for exact match.
11546         (ix86_function_value): Take extra parameter.  Dispatch to
11547         ix86_value_regno with fndecl/fntype as provided.
11548         (ix86_value_regno): Handle extra type argument.
11549         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11550
11551         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11552         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11553         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11554         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11555         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11556
11557 2005-07-14  Richard Guenther  <rguenther@suse.de>
11558
11559         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11560         * calls.c (expand_call): Pass fntype to hard_function_value.
11561         (emit_library_call_value_1): Likewise.
11562         * explow.c: Include target.h.
11563         (hard_function_value): Take extra argument, the fntype.
11564         Use new target hook for function_value.
11565         * expr.h (hard_function_value): Change prototype.
11566         * function.c (aggregate_value_p): Pass 0 as fntype to
11567         hard_function_value.
11568         (assign_parms): Use new target hook for function_value.
11569         Pass 0 as fntype to hard_function_value.
11570         (expand_function_end): Likewise.
11571         * reg-stack.c: Include target.h.
11572         (stack_result): Use new target hook for function_value.
11573         * target-def.h: New target hook function_value.
11574         * target.h: Likewise.
11575         * targhooks.c (default_function_value): New function.
11576         * targhooks.h (default_function_value): Declare.
11577
11578 2005-07-13  Ian Lance Taylor  <ian@airs.com>
11579
11580         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11581
11582 2005-07-14  Jan Hubicka  <jh@suse.cz>
11583
11584         * tree-dfa.c (dump_variable): Use default_def function.
11585         * tree-ssa-alias.c (dump_points_to_info): Likewise.
11586         * tree-ssa.c (verify_use): Likewise.
11587         * tree-ssanames.c (release_ssa_name): Likewise.
11588         * tree-tailcall.c (eliminate_tail_call): Likewise.
11589         (tree_optimize_tail_calls_1): Likewise.
11590         * tree-vrp.c (get_value_range): Likewise.
11591
11592 2005-07-14  Ben Elliston  <bje@au.ibm.com>
11593
11594         * gcc.c (main): Compare language[0] with '*' when iterating over
11595         the infiles.
11596
11597 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11598
11599         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11600         "s390_emit_compare".  Add handling of CCZ1mode.
11601         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11602         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11603         checking.
11604         (s390_branch_condition_mask): Add CCZ1mode handling.
11605         * config/s390/s390.md: ("seq", "*seq"): New pattern.
11606         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11607         Use CCZ1mode instead of CCZmode.
11608         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
11609
11610 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11611
11612         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11613         pattern.
11614         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11615
11616 2005-07-13  Eric Christopher  <echristo@redhat.com>
11617
11618         * config/mips/mips.c (mips_canonicalize_comparison): New.
11619         (mips_emit_int_relational): Use.
11620
11621 2005-07-13  Eric Christopher  <echristo@redhat.com>
11622
11623         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11624         static extra parts.
11625         * config/s390/s390.md: Include tpf.md. Move tpf specific
11626         patterns...
11627         * config/s390/tpf.md: To here.
11628         * config/s390/s390.opt: Move tpf specific options...
11629         * config/s390/tpf.opt: to here. Add mmain option.
11630         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11631         * config/s390/tpf.h: Rewrite.
11632
11633 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11634
11635         * doc/tm.texi: Remove @xref{Cross-profiling}.
11636
11637 2005-07-13  Jeff Law  <law@redhat.com>
11638
11639         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11640         expressions, test their _DECL operands for pointer equality rather
11641         than using operand_equal_p.
11642
11643 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11644
11645         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11646         (TARGET_POSIX_IO): This.
11647         * config/darwin.h: Likewise.
11648         * config/freebsd.h: Likewise.
11649         * config/linux.h: Likewise.
11650         * config/lynx.h: Likewise.
11651         * config/netbsd.h: Likewise.
11652         * config/rs6000/linux64.h: Likewise.
11653         * config/rs6000/linux.h: Likewise.
11654         * config/s390/tpf.h: Likewise.
11655         * config/sh/embed-elf.h: Likewise.
11656         * config/sparc/linux64.h: Likewise.
11657         * config/sparc/linux.h: Likewise.
11658         * config/svr4.h: Likewise.
11659         * gcov-io.h: Likewise.
11660
11661         * doc/tm.texi: Updated.
11662
11663         * libgcov.c (create_file_directory): Defined only if
11664         TARGET_POSIX_IO is defined.
11665         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11666         is defined.
11667
11668 2005-07-13  Jan Hubicka  <jh@suse.cz>
11669
11670         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11671
11672 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
11673
11674         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11675         structure as argument.
11676
11677 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
11678
11679         PR tree-optimization/21921
11680         * tree-iterator.c (tsi_link_before): Support the case when
11681         tsi_end_p (tsi) == true.
11682
11683 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11684
11685         PR tree-optimization/22442
11686         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11687         correctly.
11688
11689 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11690
11691         PR rtl-optimization/20376
11692         * toplev.c (process_options): Enable -fweb and -frename-registers when
11693         unrolling.
11694         * doc/invoke.texi: Update the information about when -fweb and
11695         -frename-registers are enabled.
11696
11697 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11698
11699         PR tree-opt/21840
11700         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11701         if *rhs_p is not a SSA_NAME.
11702
11703 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
11704
11705         Fix PR tree-optimization/22422
11706         * tree-ssa-structalias.c (struct variable_info): Add flag for
11707         special vars.
11708         (get_varinfo): Now a static function.
11709         (new_varinfo): init has_union and is_special_var to false.
11710         (solution_set_add): Check has_union.
11711         (do_da_constraint): Move temporary variable so it gets reset
11712         properly.
11713         Also check for special variable.
11714         (do_ds_constraint): Ditto.
11715         (do_sd_constraint): Ditto.
11716         (do_structure_copy): Check for special variable.
11717         (find_func_aliases): Ditto.
11718         (init_base_vars): Set special vars properly.
11719
11720 2005-07-13  Jan Hubicka  <jh@suse.cz>
11721
11722         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11723         do unit-at-a-time.
11724
11725         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11726         (get_expr_operands): Fix thinko wrt flags and subvars.
11727
11728         PR tree-optimize/22379
11729         * tree-inline.c (expand_call_inline): Do not output sorry in early
11730         inlining.
11731
11732 2005-07-12  Dale Johannesen  <dalej@apple.com>
11733
11734         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
11735
11736 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11737
11738         PR bootstrap/21704
11739         * host-linux.h: Include limits.h.
11740
11741 2005-07-12  Dale Johannesen  <dalej@apple.com>
11742
11743         * expr.c (compress_float_constant):  Add cost check.
11744         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
11745
11746 2005-07-12  Dale Johannesen  <dalej@apple.com>
11747
11748         * gcc.target/i386/compress-float-sse.c:  New.
11749         * gcc.target/i386/compress-float-sse-pic.c:  New.
11750         * gcc.target/i386/compress-float-387.c:  New.
11751         * gcc.target/i386/compress-float-387-pic.c:  New.
11752         * gcc.dg/compress-float-ppc.c:  New.
11753         * gcc.dg/compress-float-ppc-pic.c:  New.
11754
11755 2005-07-12  Eric Christopher  <echristo@redhat.com>
11756
11757         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11758         static extra parts.
11759         * config/s390/s390.md: Include tpf.md. Move tpf specific
11760         patterns...
11761         * config/s390/tpf.md: To here.
11762         * config/s390/s390.opt: Move tpf specific options...
11763         * config/s390/tpf.opt: to here. Add mmain option.
11764         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11765         * config/s390/tpf.h: Rewrite.
11766
11767 2005-07-12  Eric Christopher  <echristo@redhat.com>
11768
11769         * gcc.c (struct infile): Update comment for language.
11770         (main): Rewrite input file resetting code.
11771
11772 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11773
11774         PR tree-opt/22335
11775         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11776         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
11777         (lookup_avail_expr): Use constant_boolean_node instead
11778         of boolean_false_node/boolean_true_node.
11779
11780 2005-07-12  Ben Elliston  <bje@au.ibm.com>
11781
11782         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11783         and use it when printing num_edges.
11784
11785 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
11786
11787         * doc/extend.texi (Blackfin Built-in Functions): New section.
11788         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11789         @opindex.
11790
11791 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
11792
11793         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11794         s/cmpstrsi/cmpstrnsi
11795         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11796         'cmpstrnsi'.
11797         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11798         (init_optabs): Initialize cmpstrn_optab.
11799         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11800         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11801         * expr.c: (enum insn_code cmpstrn_optab): Declare.
11802         * config/i386/i386.md: s/cmpstr/cmpstrn
11803         * config/c4x/c4x.md: s/cmpstr/cmpstrn
11804         * doc/md.texi: Update documentation.
11805
11806 2005-07-11  Richard Henderson  <rth@redhat.com>
11807
11808         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11809         build_va_arg_indirect_ref.
11810         (alpha_gimplify_va_arg): Likewise.
11811         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11812         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11813         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11814         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11815         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11816         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11817         Likewise.
11818         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11819
11820 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11821
11822         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11823         * passes.c (init_optimization_passes): Add pass_empty_loop.
11824         * tree-pass.h (pass_empty_loop): Declare.
11825         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11826         try_remove_empty_loop, remove_empty_loops): New functions.
11827         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11828         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11829
11830 2005-07-12  Peter Barada  <peter@the-baradas.com>
11831
11832         PR middle-end/16719
11833         PR middle-end/18421
11834         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11835         in address registers.
11836         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11837         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11838         alternative of addsi3_5200.
11839
11840 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11841
11842         * config/mips/mips.md (ffs<mode>2): Remove.
11843
11844 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11845
11846         * doc/tree-ssa.texi (Cleanups): Improve description of
11847         TRY_FINALLY_EXPR.
11848         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11849
11850 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11851
11852         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11853         * tree.h (DECL_ARGUMENT_FLD): New macro.
11854
11855 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11856
11857         Fix PR tree-optimization/22404
11858
11859         * tree-ssa-structalias.c (create_variable_info_for): Use
11860         correct offset.
11861
11862 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
11863
11864         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11865         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11866         for second comparison operand.
11867         * config/bfin/predicates.md (reg_or_const_int_operand): New.
11868
11869         * config/bfin/bfin.md (define_attr "type"): Add "sync".
11870         (define_insn_reservation "alu"): Likewise.
11871         (csync, ssync): Now of type sync.
11872         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11873         -mcsync-anomaly -mspecld-anomaly.
11874         * config/bfin/bfin.opt (mcsync): Remove.
11875         (mcsync-anomaly, mspecld-anomaly): Add.
11876         * config/bfin/bfin.c: Include "insn-codes.h".
11877         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11878         (TARGET_DEFAULT_TARGET_FLAGS): New.
11879         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11880
11881 2005-07-11  Steven Bosscher  <stevenb@suse.de>
11882
11883         * basic-block.h: Give the BB flags enum a name, bb_flags.
11884         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11885         * cfgcleanup.c (enum bb_flags): Remove here.
11886         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11887         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11888         (update_forwarder_flag): Likewise.
11889         (thread_jump): Likewise.
11890         (try_forward_edges): Likewise.
11891         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
11892         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
11893         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11894
11895 2005-07-11  Richard Guenther  <rguenther@suse.de>
11896
11897         * config/i386/i386.opt: New target option -msseregparm.
11898         * config/i386/i386.c (override_options): Error out for
11899         -msseregparm but no SSE support.
11900         (ix86_function_sseregparm): Check for global sseregparm.
11901         * doc/invoke.texi: Document -msseregparm.
11902
11903 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11904
11905         * config.gcc (m32r-*-linux*): Use the default extra_parts.
11906         (m32rle-*-linux*): Ditto.
11907
11908 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
11909
11910         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11911         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11912         bytes.
11913
11914 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11915
11916         PR middle-end/22239
11917         PR target/20126
11918         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11919         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11920
11921 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
11922
11923         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11924         (varmap): Heapify varmap.
11925         (constraints): Heapify constraints.
11926         (struct constraint_graph): Heapify succs and preds.
11927         (constraint_vec_find): Update for heapification.
11928         (constraint_set_union): Ditto.
11929         (insert_into_complex): Ditto.
11930         (constraint_edge_vec_find): Ditto.
11931         (erase_graph_self_edge): Ditto.
11932         (add_graph_edge): Ditto.
11933         (get_graph_weights): Ditto.
11934         (merge_graph_nodes): Ditto.
11935         (build_constraint_graph): Ditto.
11936         (topo_visit): Ditto.
11937         (solve_graph): Ditto.
11938         (create_variable_info_for): Ditto.
11939         (init_base_vars): Ditto.
11940         (delete_points_to_sets): Free graph, varmap, and complex constraints.
11941         (condese_varmap_nodes): Free complex vector.
11942         (clear_edges_for_node): Clear succs and preds vector.
11943
11944 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11945
11946         * tree-ssa-structalias.c (update_alias_info): Change counting of
11947         references to not include vdefs.
11948
11949 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11950
11951         * tree-ssa-alias.c (free_used_part_map): Add missing free.
11952         (up_insert): Ditto.
11953
11954 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11955
11956         * pa.c (pa_commutative_p): Make PLUS commutative when
11957         TARGET_NO_SPACE_REGS is true.
11958
11959 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11960
11961         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11962         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11963         * tree-dfa.c (dump_subvars_for): New.
11964         (debug_subvars_for): New.
11965         (dump_variable): Show subvariables if VAR has them.
11966         * tree-flow-inline.h (get_subvar_at): New.
11967         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11968         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11969         Update all users.
11970         (struct subvar): Change fields offset and size to unsigned
11971         HOST_WIDE_INT.
11972         (dump_subvars_for): Declare.
11973         (debug_subvars_for): Declare.
11974         (get_subvar_at): Declare.
11975         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11976         to unsigned HOST_WIDE_INT *.
11977         (overlap_subvar): Likewise.
11978         * tree-gimple.c (is_gimple_reg): Always return false for
11979         SFTs and memory tags.
11980         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11981         Update all callers.
11982         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11983         (compute_may_aliases): Call compute_points_to_sets.
11984         (collect_points_to_info_for): Remove.
11985         (compute_points_to_and_addr_escape): Remove.
11986         (delete_alias_info): Call delete_points_to_sets.
11987         (compute_flow_sensitive_aliasing): If the call to
11988         find_what_p_points_to returns false, call set_pt_anything.
11989         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11990         (set_pt_anything): Clear pi->pt_vars.
11991         (set_pt_malloc): Remove.
11992         (merge_pointed_to_info): Remove.
11993         (add_pointed_to_expr): Remove.
11994         (add_pointed_to_var): Remove.
11995         (collect_points_to_info_r): Remove.
11996         (is_escape_site): Make extern.
11997         (create_sft): New.
11998         (create_overlap_variables_for): Call it.
11999         * tree-ssa-copy.c (merge_alias_info): Never merge
12000         flow-sensitive alias information.
12001         * tree-ssa-operands.c (get_expr_operands): Adjust variables
12002         offset and size to be unsigned HOST_WIDE_INT.
12003         (add_to_addressable_set): Rename from note_addressable.
12004         Set TREE_ADDRESSABLE as the variables are added to the set.
12005         Update all users.
12006         (add_stmt_operand): Do not try to micro-optimize unmodifiable
12007         operands into VUSEs when adding V_MAY_DEFs for members in an
12008         alias set.
12009         * tree-ssa-operands.h (add_to_addressable_set): Declare.
12010         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
12011         (struct variable_info): Add bitfield is_heap_var.
12012         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
12013         (new_var_info): Initialize is_heap_var.
12014         (get_constraint_for): Add HEAP variables to the symbol table.
12015         Mark them with is_heap_var.
12016         (update_alias_info): New.  Taken mostly from the old
12017         compute_points_to_and_addr_escape.
12018         (handle_ptr_arith): New.
12019         (find_func_aliases): Call update_alias_info.
12020         Call handle_ptr_info for tcc_binary expressions.
12021         Call mark_stmt_modified.
12022         (create_variable_info_for): If DECL has subvars, do not create
12023         variables for its subvars.  Always add all the fields.
12024         (set_uids_in_ptset): If the solution includes ANYOFFSET and
12025         SFTs, then add all the SFTs of the structure.
12026         If VI->DECL is an aggregate with subvariables, add the SFT at
12027         VI->OFFSET.
12028         (find_what_p_points_to): If VI is an artificial variable,
12029         translate to bitfields in SSA_NAME_PTR_INFO.
12030         If the solution is empty, set pi->pt_vars to NULL
12031         (init_base_vars): Create ANYOFFSET.
12032         (compute_points_to_sets): Rename from create_alias_vars.
12033         Make extern.
12034         (pass_build_pta): Remove.
12035         (delete_points_to_sets): Rename from delete_alias_vars.
12036         (pass_del_pta): Remove.
12037         * tree-ssa-structalias.h (struct alias_info): Move from
12038         tree-ssa-alias.h.
12039         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
12040         NUM_REFERENCES_SET): Likewise.
12041         (compute_points_to_sets, delete_points_to_sets): Declare.
12042
12043 2005-07-09  Richard Henderson  <rth@redhat.com>
12044
12045         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
12046         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
12047         alpha_split_lock_test_and_set_12): New functions.
12048         * config/alpha/alpha-protos.h: Update.
12049         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
12050         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
12051         * config/alpha/sync.md (I12MODE): New.
12052         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
12053         (sync_<fetchop_name><I48MODE>): Likewise.
12054         (sync_nand<I48MODE>): Likewise.
12055         (sync_old_<fetchop_name><I48MODE>): Likewise.
12056         (sync_new_<fetchop_name><I48MODE>): Likewise.
12057         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
12058         (sync_compare_and_swap<I48MODE>): Likewise.
12059         (sync_lock_test_and_set<I48MODE>): Likewise.
12060         (sync_compare_and_swap<I12MODE>): New.
12061         (sync_compare_and_swap<I12MODE>_1): New.
12062         (sync_lock_test_and_set<I12MODE>): New.
12063         (sync_lock_test_and_set<I12MODE>_1): New.
12064
12065 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
12066
12067         PR 21356
12068         PR 22332
12069         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
12070
12071 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
12072
12073         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
12074         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
12075
12076 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
12077
12078         PR target/21656
12079         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
12080
12081 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
12082
12083         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
12084         memory_operand constraint.
12085         (store_conditional_<mode>): Same.
12086         (sync_compare_and_swap<mode>): Same.
12087         (sync_lock_test_and_set<mode>): Same.
12088
12089 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
12090
12091         Rewrite PIC support to more closely model actual instructions.
12092         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
12093         (cris_symbol): Remove prototypes for removed functions.
12094         (cris_pic_symbol_type_of, cris_valid_pic_const)
12095         (cris_expand_pic_call_address): Prototypes for new functions.
12096         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
12097         variable.
12098         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
12099         modifiers.
12100         <case ':'>: Add case for new punctuation character.
12101         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
12102         emitting (extra) PIC modifier.
12103         <case UNSPEC>: Do not assert for PLT.
12104         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
12105         (cris_expand_prologue, cris_expand_epilogue): Check
12106         for pic_offset_table_rtx usage instead of taking
12107         current_function_uses_pic_offset_table as the final word.
12108         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
12109         Remove flag_pic difference.
12110         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
12111         the moral equivalents of...
12112         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
12113         functions.
12114         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
12115         (cris_handle_option): Mark ARG as unused.
12116         (cris_expand_pic_call_address): New worker function for "call",
12117         "call_value".
12118         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
12119         output PIC constructs here.
12120         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
12121         as symbol-specific modifers, not whole or part of operands.
12122         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
12123         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
12124         constants and flag_pic.
12125         (CONSTANT_INDEX_P): Adjust for new functions.
12126         (enum cris_pic_symbol_type): New helper type.
12127         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
12128         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
12129         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
12130         define_constants.
12131         ("movsi"): Emit actual instructions for GOT and relative access.
12132         ("*movsi_got_load"): New pattern to set up the register holding
12133         the GOT pointer.
12134         ("*movsi_internal"): Operand 1 is not a plain general_operand.
12135         Adjust FIXME for 'S'.
12136         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
12137         Use "movs" for -fpic cases.
12138         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
12139         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
12140         ("call", "call_value"): Just call cris_expand_pic_call_address for
12141         PIC addresses.
12142         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
12143         Remove special pattern.
12144         ("*expanded_call_side", "*expanded_call_value_side"): New
12145         patterns.
12146         (gotplt-to-plt, gotplt-to-plt-side-call)
12147         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
12148         peephole2:s.
12149         * config/cris/cris/predicates.md
12150         ("cris_general_operand_or_gotless_symbol"): Remove unused
12151         predicate.
12152         ("cris_general_operand_or_symbol"): Adjust for new functions.
12153
12154 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12155
12156         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
12157
12158 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
12159
12160         * Makefile.in (TREE_H): Add treestruct.def.
12161         (c-decl.o): Add pointer-set.h
12162         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
12163         visibility on regular DECL's.
12164         (merge_decls): Fix the copying of decl nodes of various types for
12165         the new structures.  Don't update RTL, section name, weak status,
12166         etc, on DECL's without RTL.
12167         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
12168         Don't check volatile on non-variable types.
12169         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
12170         to check whether we have seen arguments.
12171         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
12172         flag is checked before field (flag is common, field is not).
12173         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
12174         TS_DECL_COMMON could have an origin.
12175         (add_location_or_const_value_attribute): Don't check section name
12176         on non-var/function decls.
12177         (dwarf2out_var_location): Reverse order of tests.
12178         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
12179         with DECL_WRTL_CHECK.
12180         * expmed.c (make_tree): rtl is now in decl_with_rtl.
12181         * fold-const.c (fold_binary): Don't check weakness on
12182         non-var/function decls.
12183         (tree_expr_nonzero_p): Ditto.
12184         (fold_checksum_tree): Use tree_decl_extra as sizeof
12185         buffer.
12186         * ggc-page.c (extra_order_size_table): Add sizes for
12187         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
12188         tree_field_decl.
12189         * gimplify.c (gimplify_bind_expr): Only set
12190         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
12191         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
12192         without RTL.
12193         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
12194         * langhooks.h (init_ts). New langhook.
12195         * passes.c (rest_of_decl_compilation): Reverse order of tests.
12196         * print-tree.c (print_node): Update to only print fields that
12197         exist in the structures the passed decl has.
12198         * toplev.c (wrapup_global_declarations): Don't reset
12199         DECL_DEFER_OUTPUT on DECL's that don't contain it.
12200         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
12201         * tree-inline.c (remap_decl): Ditto.
12202         * tree-outof-ssa.c (create_temp): Reverse order of tests.
12203         * tree-pretty-print.c (print_declaration): Don't print
12204         DECL_REGISTER on things that don't contain it.
12205         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
12206         non-var/function decls.
12207         * tree.c (tree_contains_struct): New structure.
12208         (init_priority_for_decl): New hashtable.
12209         (tree_int_map): New structure.
12210         (tree_int_map_eq): New function.
12211         (tree_int_map_marked_p): Ditto.
12212         (tree_int_map_hash): Ditto.
12213         (tree_map): Move to tree.h.
12214         (tree_map_eq): Externalize.
12215         (tree_map_hash): Ditto.
12216         (tree_map_marked_p): Ditto.
12217         (init_ttree): Set up tree_contains_struct and call langhook.
12218         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
12219         (tree_code_size): Update for new structures.
12220         (tree_node_structure): Update for new structures.
12221         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
12222         without the field.
12223         (copy_node_stat):  Copy init priority.
12224         (build_decl_stat): Ditto for visibility.
12225         (ts_enum_names): New.
12226         (tree_contains_struct_check_failed): New function.
12227         (decl_init_priority_lookup): Ditto.
12228         (decl_init_priority_insert): Ditto.
12229         * treestruct.def: New file.
12230         * tree.h (CODE_CONTAINS_STRUCT): New macro.
12231         (CONTAINS_STRUCT_CHECK): Ditto.
12232         (tree_contains_struct_check_failed): New prototype.
12233         (DECL_CHECK): Removed.
12234         (DECL_MINIMAL_CHECK): New.
12235         (DECL_COMMON_CHECK): Ditto.
12236         (DECL_WRTL_CHECK): Ditto.
12237         (DECL_NON_COMMON_CHECK): Ditto.
12238         (DECL_WITH_VIS_CHECK): Ditto.
12239         (VAR_OR_FUNCTION_DECL_P): Ditto
12240         (struct tree_decl_minimal): New structure.
12241         (struct tree_decl_common): Ditto.
12242         (struct tree_decl_with_rtl): Ditto.
12243         (struct tree_decl_with_vis): Ditto.
12244         (struct tree_decl_non_common): Ditto.
12245         (struct tree_field_decl): Ditto.
12246         (struct tree_parm_decl): Ditto.
12247         (struct tree_var_decl): Ditto.
12248         (struct tree_function_decl): Ditto.
12249         (struct tree_const_decl): Ditto.
12250         (struct tree_result_decl): Ditto.
12251         (union tree_node): Add new structures.
12252         * var-tracking.c (track_expr_p): Reverse order of tests.
12253
12254         * doc/c-tree.texi: Add documentation on DECL node internal structure.
12255
12256 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
12257
12258         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
12259         * system.h: Poison FINALIZE_PIC.
12260         * doc/tm.texi (FINALIZE_PIC): Remove.
12261
12262 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12263
12264         PR tree-opt/22329
12265         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
12266         to the correct type if we have a MODIFY_EXPR.
12267
12268 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
12269
12270         PR tree-optimization/22360
12271         * tree.c (upper_bound_in_type): Fix calculations for casting
12272         to a non-wider signed type and casting a signed value to a
12273         wider unsigned type.
12274         (lower_bound_in_type): Fix calculations for casting to a
12275         non-wider signed type.
12276
12277         PR tree-optimization/20139
12278         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
12279         release_defs.
12280         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
12281         fold_cond_expr_cond.
12282         * tree-ssanames.c (release_defs): Assert in_ssa_p.
12283         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
12284
12285 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12286
12287         PR tree-opt/22356
12288         * tree-complex.c (expand_complex_libcall): Produce
12289         REALPART_EXPR/IMAGPART_EXPR with the correct type.
12290
12291 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
12292
12293         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
12294         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
12295         b" assert and inserted fastpath code for this case.
12296         (bitmap_ior): Removed "a != b" assert.
12297
12298 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12299
12300         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
12301         (ENDFILE_SPEC): Likewise.
12302         * config/m32r/m32r.h (ASM_SPEC): Likewise.
12303
12304         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
12305         a large stack frame at epilogue.
12306
12307 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
12308
12309         * final.c: Include sdbout.h when required.
12310
12311 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
12312
12313         * config.gcc (*-*-darwin*): Only one target-specific header file
12314         for generic darwin.
12315         (powerpc-*-darwin*): Add version-specific header files.
12316         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
12317         * config.in: Regenerate.
12318         * configure: Regenerate.
12319         * gcc.c: Include xregex.h.
12320         (version_compare_spec_function): New.
12321         (spec_function): Add version-compare.
12322         (replace_outfile_spec_function): Reformat comment.
12323         (compare_version_strings): New.
12324         * config/darwin-c.c (version_as_macro): New.
12325         (builtin_define): New.
12326         (darwin_cpp_builtins): New.
12327         * config/darwin-protos.h (darwin_cpp_builtins): New.
12328         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
12329         (LIB_SPEC): Make unconditional, update comment.
12330         (TARGET_C99_FUNCTIONS): Define.
12331         * config/darwin.opt: Sort.
12332         (mmacosx-version-min=): New.
12333         * config/darwin7.h: Delete.
12334         * config/darwin8.h: Delete.
12335         * config/i386/darwin.h (): Call darwin_cpp_builtins.
12336         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
12337         (TARGET_C99_FUNCTIONS): Define.
12338         * config/rs6000/darwin7.h: New.
12339         * config/rs6000/darwin8.h: New.
12340         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
12341         (-mmacosx-version-min): Document.
12342
12343 2005-07-07  Ian Lance Taylor  <ian@airs.com>
12344
12345         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
12346
12347 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
12348
12349         PR middle-end/22239
12350         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
12351
12352 2005-07-07  Khem Raj  <kraj@mvista.com>
12353
12354         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
12355         in bytes, not words.
12356
12357 2005-07-07  Paul Brook  <paul@codesourcery.com>
12358
12359         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
12360         DEFAULT_FUNCTION_ARG_PADDING to upward.
12361
12362 2005-07-07  Richard Henderson  <rth@redhat.com>
12363
12364         * function.c (locate_and_pad_parm): Record parameter alignment in
12365         stack_alignment_needed.
12366
12367 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
12368
12369         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
12370         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
12371         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
12372         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
12373         (define_attr "type"): Add isync, sync, load_l, store_c.
12374         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
12375         Create scratch volatile MEM.
12376         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
12377         sync.
12378         (load_locked_<mode>): New.
12379         (store_conditional_<mode>): New.
12380         (sync_compare_and_swap<mode>): Replace with splitter.
12381         (sync_lock_test_and_set<mode>): Replace with splitter.
12382         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
12383         and UNSPECV_ISYNC.
12384         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
12385         is ics.  Attribute isync.
12386         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
12387         lwsync.
12388         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
12389         and UNSPECV_SYNC_OP.
12390         (emit_unlikely_jump): New.
12391         (emit_load_locked): New.
12392         (emit_store_conditional): New.
12393         (rs6000_split_compare_and_swap): New.
12394         (rs6000_split_lock_test_and_set): New.
12395         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
12396         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
12397         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
12398         rs6000_split_lock_test_and_set): Declare.
12399         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
12400         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
12401         store_c, isync, sync.
12402
12403 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
12404
12405         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
12406         filenames to gtyp-gen.h.
12407         (s-typ-gen): Use it in place of for loops.
12408
12409 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
12410
12411         * hooks.c (hook_bool_rtx_int_false): New function.
12412         * hooks.h (hook_bool_rtx_int_false): Declare.
12413         * target-def.h (TARGET_COMMUTATIVE_P): Define.
12414         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
12415         * target.h (struct gcc_target): Add commutative_p member.
12416         * targhooks.c (hook_bool_rtx_commutative_p): New function.
12417         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
12418         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
12419         (pa_commutative_p): New function.
12420         * jump.c (target.h): Include.
12421         (rtx_renumbered_equal_p): Use targetm.commutative_p.
12422         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
12423
12424 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12425
12426         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
12427         (s390_expand_setmem): New.
12428         * config/s390/s390.c: Likewise.
12429         (print_shift_count_operand): Truncate to 12 bits instead of 6.
12430         Adapt comments.
12431         * config/s390/s390.md: ("setmem<mode>"): Accept character as
12432         general_operand.  Call new function "s390_expand_setmem".
12433         ("clrmem_long", "*clrmem_long"): Rewrite to ...
12434         ("setmem_long", "*setmem_long"): ... this.
12435
12436 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12437
12438         * config/s390/s390.c: (optimization_options): Enable
12439         TARGET_MVCLE at -Os.
12440         * doc/invoke.texi: Document changes in default behaviour.
12441         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
12442
12443 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12444
12445         * expr.c: (set_storage_via_setmem): Convert opchar to mode
12446         defined by back-end.
12447
12448 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
12449
12450         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
12451         all sets in the pattern.
12452         * config/rs6000/rs6000.md (stack_protect_testsi,
12453         stack_protect_testdi): Likewise.
12454
12455 2005-07-06  Jeff Law  <law@redhat.com>
12456
12457         * tree-vrp.c (simplify_using_ranges): Kill.
12458         (vrp_finalize): Remove call to simplify_using_ranges.
12459         (simplify_stmt_using_ranges): New function extracted from
12460         simplify_using_ranges.
12461         (simplify_div_or_mod_using_ranges): Likewise.
12462         (simplify_abs_using_ranges): Likewise.
12463         (simplify_cond_using_ranges): New function.
12464         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
12465         * tree-ssa-propagate.c (substitute_and_fold): Call
12466         simplify_stmt_using_ranges if we have range information.
12467
12468 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
12469
12470         * config/ia64/ia64.c (ia64_reorg): Check optimize before
12471         ia64_flag_schedule_isns2.
12472
12473         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
12474         reading/writing general registers.
12475         (ia64_function_arg): Revert 2005-06-18 change.
12476
12477 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
12478
12479         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
12480         (legitimize_tls_address): Use gcc_unreachable instead of abort.
12481
12482 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
12483
12484         * function.c (expand_function_end): Revert part of 2005-06-27
12485         patch.  Do sjlj_emit_function_exit_after after return_label.
12486
12487 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12488
12489         * doc/install.texi (--disable-libssp): New.
12490
12491 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
12492
12493         * doc/invoke.texi: Update -fforce-mem documentation.
12494         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
12495         code for -fforce-mem.
12496         * expmed.c: (store_bit_field,store_fixed_bit_field,
12497         extract_bit_field): Ditto.
12498         * expr.c: (convert_move): Ditto.
12499         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12500         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12501         emit_conditional_add,expand_float,expand_fix): Ditto.
12502         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
12503         (common_handle_option): Issue warning when -fforce-mem specified.
12504
12505 2005-07-06  Paul Brook  <paul@codesourcery.com>
12506
12507         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12508         argument is empty.
12509         * configure: Regenerate.
12510
12511 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
12512
12513         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12514
12515 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
12516
12517         Fix PR tree-optimization/22319
12518         Fix PR tree-optimization/22140
12519         Fix PR tree-optimization/22310
12520
12521         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12522         variable sized types.
12523         Use correct type for intermediate structure on *a = *b structure
12524         copies.
12525
12526 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12527
12528         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12529         Remove.
12530         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12531         (machine_function): Move typedef to...
12532         * config/rs6000/rs6000.c (machine_function): ... here.  Add
12533         varargs_save_offset field.
12534         (rs6000_stack_t): Remove varargs_size field.
12535         (setup_incoming_varargs): Allocate varargs save area using
12536         assign_stack_local, try to make it as small as possible.
12537         Save offset from virtual_stack_vars_rtx to the save area
12538         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
12539         instead of magic 8 when fp word byte size is used.
12540         (rs6000_va_start): Use cfun->machine->varargs_save_offset
12541         instead of -RS6000_VARARGS_SIZE.
12542         (rs6000_stack_info, debug_stack_info,
12543         rs6000_initial_elimination_offset): Remove all traces of
12544         varargs_size.
12545         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12546         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12547         RS6000_VARARGS_AREA.
12548
12549 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
12550
12551         PR tree-optimization/21963
12552         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12553         constant_multiple_of in the same way get_computation_cost_at does.
12554
12555 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12556
12557         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12558         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12559         (gen_compare_reg): If sparc_compare_emitted is set, clear it
12560         and return its previous value.
12561         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12562         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12563         constants.
12564         (stack_protect_set, stack_protect_test): New expanders.
12565         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12566         stack_protect_testdi): New insns.
12567         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12568         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12569
12570 2005-07-06  Jeff Law  <law@redhat.com>
12571
12572         * tree-ssa-dce.c (cfg_altered): New global.
12573         (tree_dce_init): Initialize cfg_altered.
12574         (remove_dead_stmt): If we remove an edge in the CFG, then set
12575         CFG_ALTERED.
12576         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12577         the dominators.
12578
12579 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12580
12581         * Makefile.in (stamp-collect-ld): Use
12582         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
12583         ./collect-ld if it already exists.
12584         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12585         Don't remove ./nm if it already exists.
12586
12587 2005-07-05  Devang Patel  <dpatel@apple.com>
12588
12589         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12590         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12591         * tree-vectorizer.c (vect_loop_location): New.
12592         (vect_print_dump_info): Use vect_loop_location.
12593         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12594         (vectorize_loops): Set vect_loop_location.
12595         * tree-vect-analyze.c (vect_analyze_offset_expr,
12596         vect_determin_vectorization_factor, vect_analyze_operations,
12597         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12598         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12599         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12600         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12601         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12602         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12603         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12604         vect_analyze_loop): Adjust vect_print_dump_info API.
12605         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12606         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12607         vect_finish_stmt_generation, vectorizable_assignment,
12608         vectorizable_operation, vectorizable_store, vectorizable_load,
12609         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12610         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12611         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12612         vect_transform_loop): Same.
12613         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12614         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12615         Same.
12616
12617 2005-07-05  Randolph Chung  <tausq@debian.org>
12618
12619         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12620         * configure: Regenerate.
12621         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12622         (pa_tls_referenced_p): Declare.
12623         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12624         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12625         (legitimize_tls_address): New.
12626         (hppa_legitimize_address): Handle TLS addresses.
12627         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12628         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12629         (emit_move_sequence): Handle TLS addresses.
12630         (pa_encode_section_info): Call default handler to handle common
12631         sections.
12632         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12633         (CONSTANT_ADDRESS_P): Reject TLS operands.
12634         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12635         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12636         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12637         (UNSPEC_TLSLE): Define new constants.
12638         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12639         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12640         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12641         (tie_symbolic_operand, tle_symbolic_operand): New
12642
12643 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
12644
12645         * aclocal.m4: Update macros for autoconf 2.59 style.
12646         * configure.ac: Likewise.
12647
12648 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12649
12650         * pa.c (function_value): Handle small aggregates on 32-bit targets.
12651         (function_arg): Pass small aggregates in general registers on 32-bit
12652         targets.
12653         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12654
12655 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
12656
12657         * Makefile.in (final.o): Fix dependencies.
12658
12659 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12660
12661         PR c/22013
12662         PR c/22098
12663         * langhooks.h (struct lang_hooks): Add expr_to_decl.
12664         * langhooks.c (lhd_expr_to_decl): New.
12665         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12666         New.
12667         (LANG_HOOKS_INITIALIZER): Update.
12668         * tree.c (recompute_tree_invarant_for_addr_expr): Call
12669         expr_to_decl langhook.
12670         * c-tree.h (c_expr_to_decl): Declare.
12671         * c-typeck.c (c_expr_to_decl): New.
12672         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12673         specially.
12674         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12675
12676 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12677
12678         PR c/22308
12679         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12680         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12681
12682 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
12683
12684         * Makefile.in: Adjust dependencies.
12685         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12686         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12687         * alias.c (rest_of_handle_cfg, pass_cfg): New.
12688         * bb-reorder.c (duplicate_computed_gotos): Make it static.
12689         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12690         rest_of_compilation.
12691
12692         * bb-reorder.c (gate_duplicate_computed_gotos,
12693         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12694         rest_of_handle_reorder_blocks, pass_reorder_blocks,
12695         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12696         pass_partition_blocks): New.
12697         * bt-load.c (gate_handle_branch_target_load_optimize,
12698         rest_of_handle_branch_target_load_optimize,
12699         pass_branch_target_load_optimize): New.
12700         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12701         pass_jump2): New.
12702         * cfglayout.c (pass_insn_locators_initialize): New.
12703         * cfgrtl.c (pass_free_cfg): New.
12704         * combine.c (gate_handle_combine, rest_of_handle_combine,
12705         pass_combine): New.
12706         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12707         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12708         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12709         * except.c (pass_set_nothrow_function_flags,
12710         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12711         pass_rtl_eh): New.
12712         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12713         rest_of_handle_shorten_branches, pass_shorten_branches,
12714         rest_of_clean_state, pass_clean_state): New.
12715         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12716         rest_of_handle_remove_death_notes, pass_remove_death_notes,
12717         rest_of_handle_life, pass_life, rest_of_handle_flow2,
12718         pass_flow2): New.
12719         * function.c (pass_instantiate_virtual_regs, pass_init_function,
12720         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12721         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12722         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12723         pass_gcse): New.
12724         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12725         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12726         pass_rtl_ifcvt, gate_handle_if_after_combine,
12727         rest_of_handle_if_after_combine, pass_if_after_combine,
12728         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12729         pass_if_after_reload): New.
12730         * integrate.c (pass_initial_value_sets): New.
12731         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12732         pass_purge_lineno_notes): New.
12733         * mode-switching.c (rest_of_handle_mode_switching,
12734         pass_mode_switching): New.
12735         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12736         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12737         pass_loop2): New.
12738         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12739         pass_loop_optimize): New.
12740         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12741         pass_sms): New.
12742         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12743         pass_gcse2): New.
12744         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12745         pass_postreload_cse): New.
12746         * profile.c (gate_handle_profiling, pass_profiling,
12747         rest_of_handle_branch_prob, pass_branch_prob): New.
12748         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12749         pass_split_before_regstack, gate_handle_split_before_regstack,
12750         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12751         rest_of_handle_split_all_insns, pass_split_all_insns): New.
12752         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12753         pass_stack_regs): New.
12754         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12755         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12756         pass_stack_adjustments): New.
12757         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12758         pass_regrename): New.
12759         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12760         pass_delay_slots, gate_handle_machine_reorg,
12761         rest_of_handle_machine_reorg, pass_machine_reorg): New.
12762         * rtl.h (extern void purge_line_number_notes): New.
12763         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12764         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12765         pass_sched2): New.
12766         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12767         pass_tracer): New.
12768         * value-prof.c (gate_handle_value_profile_transformations,
12769         rest_of_handle_value_profile_transformations,
12770         pass_value_profile_transformations): New.
12771         * var-tracking.c (gate_handle_var_tracking,
12772         pass_variable_tracking): New.
12773         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12774
12775         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12776         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12777         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12778         rest_of_handle_old_regalloc, rest_of_handle_regrename,
12779         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12780         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12781         rest_of_handle_gcse2, rest_of_handle_regmove,
12782         rest_of_handle_tracer, rest_of_handle_if_conversion,
12783         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12784         rest_of_handle_web, rest_of_handle_branch_prob,
12785         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12786         rest_of_handle_jump_bypass, rest_of_handle_combine,
12787         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12788         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12789         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12790         rest_of_handle_mode_switching, rest_of_handle_jump,
12791         rest_of_handle_eh, rest_of_handle_stack_adjustments,
12792         rest_of_handle_flow2, rest_of_handle_jump2,
12793         rest_of_handle_peephole2, rest_of_handle_postreload,
12794         rest_of_handle_shorten_branches, rest_of_clean_state,
12795         rest_of_compilation): Remove.
12796
12797         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12798         * passes.c (dump_flags, in_gimple_form, all_passes,
12799         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12800         register_dump_files, next_pass_1, last_verified, execute_todo,
12801         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12802         from tree-optimize.c.
12803         (init_optimization_passes): Moved from tree-optimize.c,
12804         adding the RTL optimizations.
12805         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12806         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12807         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12808         register_dump_files, next_pass_1, last_verified, execute_todo,
12809         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12810         init_tree_optimization_passes, ipa_passes): Delete.
12811         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12812         the RTL dumps.
12813         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12814         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12815         from tree.h.
12816         (ipa_passes): Remove.
12817         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12818         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12819         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12820         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12821         (dump_info_p, dump_flag): Moved to tree-dump.h.
12822
12823         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12824         cgraph.c, opts.c.
12825         * passes.c (finish_optimization_passes): Use dump_begin
12826         and dump_end, TDI_end.
12827         (gate_rest_of_compilation): New.
12828         (pass_rest_of_compilation): Use it.
12829         (gate_postreload, pass_postreload): New.
12830         * toplev.c (general_init): Rename init_tree_optimization_passes.
12831         * toplev.h (init_tree_optimization_passes): Rename to
12832         init_optimizations_passes.
12833         * tree-dump.c (dump_flag): Make static.
12834         (dump_files): Remove RTL dumps.
12835         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12836         pass_cleanup_cfg, pass_free_cfg_annotations,
12837         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12838         pass_init_datastructures, pass_fixup_cfg): Make non-static.
12839         * tree-pretty-print.c: Include tree-pass.h.
12840         * cgraph.c: Include tree-dump.h.
12841
12842 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12843
12844         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12845         Only fall back to saying it points to readonly memory if
12846         we can't do better.
12847
12848 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
12849
12850         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12851         * config/m32r/m32r.c (m32r_compute_frame_size,
12852         m32r_expand_prologue): Take current_function_profile into
12853         account whenever we reference
12854         current_function_uses_pic_offset_table.
12855         (m32r_finalize_pic): Remove.
12856         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12857
12858 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
12859
12860         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12861         instead of $<.  Don't remove ./as if it already exists.
12862
12863 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12864
12865         PR target/21723
12866         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12867         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12868         for complex modes when generating code for PA 1.0.
12869         (VALID_FP_MODE_P): New macro.
12870         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12871         sets for all general and floating point modes.  Align wide floating
12872         point modes to even register boundaries to comply with architectural
12873         requirements.
12874         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12875         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12876         (VALID_FP_MODE_P): New macro.
12877         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12878         sets for all general and floating point modes.  Align wide floating
12879         point modes to even register boundaries to comply with architectural
12880         requirements.
12881
12882 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12883
12884         * tree-dump.c (dump_files): Initialize dump number for .cgraph
12885         to 0.
12886
12887 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12888
12889         * tree-ssa-structalias.c: Don't include expr.h.
12890
12891 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12892
12893         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12894         comments.
12895
12896 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12897
12898         Fix PR tree-optimization/22279
12899
12900         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12901         correct operator.
12902
12903 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
12904
12905         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12906
12907 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12908
12909         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12910         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12911         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12912         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12913         config/stormy16/stormy16.c, config/v850/v850.c,
12914         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12915         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12916         Avoid "." or "\n" at end of diagnostics and capital letters at
12917         start of diagnostics.
12918         * combine.c, cse.c: Don't translate dump file output.
12919         * toplev.c (print_version): Only translate output if going to
12920         stderr.
12921
12922 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12923
12924         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12925         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12926         typos.
12927
12928 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12929
12930         * pa.c (fix_range): Fix typo in comment.
12931
12932 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12933
12934         * tree-vrp.c (extract_range_from_assert): Replace
12935         fold (build (...)) with fold_build2.
12936
12937 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12938
12939         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12940         gcc_gfc_char_table, init_dynamic_gfc_info): New.
12941         (format_types_orig, handle_format_attribute): Add support for
12942         format "gcc_gfc".
12943
12944 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12945
12946         * varasm.c (assemble_variable): Fix format specifier thinko.
12947
12948 2005-07-03  Ira Rosen  <irar@il.ibm.com>
12949
12950         PR tree-optimization/22029 (and 22135)
12951         * tree-pretty-print.c (dump_generic_node): Check that the node is not
12952         a phi node before calling dump_vops.
12953
12954 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12955
12956         * tree-dump.h (dump_string_field): Declare.
12957         * tree-dump.c: Use it instead of dump_string.
12958         (dump_string_field): Make non-static.
12959
12960 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12961
12962         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12963         up the minimal CFG stuff always when optimize > 0.  Call
12964         split_all_insns_noflow in PIC case if needed.
12965
12966 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12967             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12968
12969         PR c++/18279
12970         * c-decl.c (c_write_global_declarations): Dump contents of
12971         external scope to.
12972         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12973         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12974         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12975         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12976         is enabled.
12977
12978 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12979
12980         * c-common.h (GCC_DIAG_STYLE): Define.
12981         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
12982         version for format checking to 4.1.
12983         * c-format.c: Include toplev.h after c-common.h.
12984         (enum format_type): Add gcc_tdiag_format_type.
12985         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12986         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12987         (format_types_orig): Add gcc_tdiag.
12988         (init_dynamic_diag_info): Support gcc_tdiag formats.
12989         (handle_format_attribute): Likewise.
12990         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12991         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
12992         version for format checking to 4.1.
12993         (warning0, warning, error, pedwarn, sorry): Use
12994         ATTRIBUTE_GCC_DIAG.
12995         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12996         (finish_aliases_1): Do not use %qE.
12997         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12998         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12999         Correct format bugs.
13000         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
13001         parameter to unsigned HOST_WIDE_INT.
13002         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
13003
13004 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
13005
13006         PR middle-end/21742
13007         * expr.c (write_complex_part): Use adjust_address for MEM.
13008         (read_complex_part): Same.
13009
13010 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
13011
13012         Fix PR tree-optimization/22280
13013
13014         * tree-sra.c (generate_element_init): Remove useless loop.
13015
13016 2005-07-02  Richard Henderson  <rth@redhat.com>
13017
13018         * config/alpha/alpha.c (alpha_legitimize_address): Check for
13019         TLS_MODEL_NONE.
13020         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
13021
13022 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
13023
13024         PR middle-end/14490
13025         * fold-const.c (fold_binary): Handle the return value of
13026         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
13027         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
13028
13029 2005-07-02  Jeff Law  <law@redhat.com>
13030
13031         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
13032         a eliminate type conversion which feeds an equality comparison
13033         if the original type or either operand in the comparison is a
13034         function pointer.
13035
13036 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
13037
13038         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
13039         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
13040         texts.
13041         * config/avr/avr.c: Do not use '`' as left quote.
13042         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
13043         Remove "." from end of diagnostics.  Make diagnostics start with
13044         lowercase letter.
13045
13046 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
13047             Joseph S. Myers  <joseph@codesourcery.com>
13048
13049         * toplev.c (default_tree_printer): Handle setting location with
13050         '+' flag.
13051         * c-objc.common.c (c_tree_printer): Likewise.
13052         * c-format.c (gcc_diag_flag_specs): Add '+'.
13053         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
13054         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
13055         formats.
13056         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
13057         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
13058         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
13059         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
13060         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
13061         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
13062         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
13063         format arguments where %J is used without %D.
13064
13065 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
13066
13067         * gcc.c (LINK_SSP_SPEC): Define.
13068         (link_ssp_spec): New variable.
13069         (LINK_COMMAND_SPEC): Add %(link_ssp).
13070         (static_specs): Add link_ssp_spec.
13071         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
13072         * configure: Rebuilt.
13073         * config.in: Rebuilt.
13074
13075         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
13076         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
13077         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
13078         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
13079         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
13080         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
13081         -0x7008(2) instead of reading __stack_chk_guard variable.
13082         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
13083         number.
13084         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
13085         (stack_protect_set, stack_protect_test): Use *_tls* patterns
13086         if TARGET_THREAD_SSP_OFFSET is defined.
13087         (stack_tls_protect_set_si, stack_tls_protect_set_di,
13088         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
13089
13090         Revert:
13091         2005-06-27  Richard Henderson  <rth@redhat.com>
13092         * libgcc-std.ver (GCC_4.1.0): New.
13093         * libgcc.h (__stack_chk_guard): Declare.
13094         (__stack_chk_fail, __stack_chk_fail_local): Declare.
13095         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
13096         * mklibgcc.in (lib2funcs): Add them.
13097
13098 2005-07-01  Richard Henderson  <rth@redhat.com>
13099
13100         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
13101         void * before struct sigcontext *.
13102         (x86_fallback_frame_state): Likewise.
13103
13104 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
13105
13106         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
13107
13108 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
13109
13110         PR tree-opt/22269
13111         * tree-ssa-reassoc.c (should_transpose): Fix which operand
13112         we check for SSA_NAME for.
13113
13114 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
13115
13116         Fix PR tree-optimization/22071
13117
13118         * tree-ssa-structalias.c (offset_overlaps_with_access): New
13119         function.
13120         (get_constraint_for_component_ref): Use it.
13121
13122 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
13123
13124         PR other/22264
13125         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
13126         print out the last new line.
13127
13128 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
13129
13130         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
13131         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
13132         * config/cris/cris.c (cris_conditional_register_usage): Adjust
13133         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
13134         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
13135         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
13136         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
13137         (enum reg_class): New member CC0_REGS.
13138         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
13139         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
13140         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
13141         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
13142         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
13143         Adjust for register now described.
13144
13145 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
13146
13147         PR target/22262
13148         * config/i386/i386.md (stack_protect_test_si,
13149         stack_protect_test_di): Add earlyclobber for scratch 3.
13150         * config/rs6000/rs6000.md (stack_protect_testsi,
13151         stack_protect_testdi): Add earlyclobber for scratch 3,
13152         remove earlyclobber from scratch 4.
13153
13154 Older entries for 2005 can be found in ChangeLog-2005.