OSDN Git Service

43098de9f47590ae3309442343b81239c4e1bf8e
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-31  Andrew Pinski  <pinskia@ohysics.uc.edu>
2
3         PR tree-opt/25612
4         * tree-ssa-pre.c (compute_avail): Treat the static chain decl as a
5         parameter and pretend that it is defined in the entry basic block.
6
7 2005-12-30  Kazu Hirata  <kazu@codesourcery.com>
8
9         * tree-outof-ssa.c (_elim_graph): Change the type of STACK to
10         VEC(int,heap).
11         (new_elim_graph, delete_elim_graph, elim_forward,
12         eliminate_phi): Use the VEC API on STACK.
13
14 2005-12-29  Daniel Berlin  <dberlin@dberlin.org>
15
16         * tree.h (VALUE_HANDLE_VUSES): New.
17         (struct tree_value_handle): Add vuses.
18
19         * tree-vn.c (struct val_expr_pair_d): Remove stmt, add vuses.
20         (vn_compute): Remove stmt argument.
21         Don't use vuses in hash value computation.
22         (val_expr_pair_eq): Compare vuse lists.
23         (copy_vuses_from_stmt): New function.
24         (shared_vuses_from_stmt): Ditto.
25         (vn_add): Rewrite in terms of vn_add_with_vuses.
26         (vn_add_with_vuses): New function.
27         (vn_lookup): Rewrite in terms of vn_lookup_with_vuses.
28         (vn_lookup_with_vuses): New function.
29         (vuses_compare): New function.
30         (print_creation_to_file): Ditto.
31         (vn_lookup_or_add): Rewrite to handle vuses.
32         (sort_vuses): New function.
33         (vn_lookup_or_add_with_vuses): Ditto.
34         (vn_init): Initialize shared_lookup_vuses.
35         (vn_delete): Free shared_lookup_vuses.
36
37         * tree-ssa-pre.c: Update todo list.
38         (bb_value_sets_t): Add rvuse_in, rvuse_out, rvuse_gen, and
39         rvuse_kill.
40         (RVUSE_IN): New macro.
41         (RVUSE_GEN): Ditto.
42         (RVUSE_KILL): Ditto.
43         (RVUSE_OUT): Ditto.
44         (modify_expr_node_pool): New function.
45         (pretemp): New.
46         (storetemp): Ditto.
47         (mergephitemp): Ditto.
48         (prephitemp): Ditto.
49         (struct expr_pred_trans_d): Add vuses member.
50         (expr_pred_trans_eq): Compare vuses.
51         (phi_trans_lookup): Add vuses argument.
52         (phi_trans_add): Ditto.
53         (translate_vuses_through_block): New function.
54         (phi_translate): Use vuses to ask about those expressions that can
55         have vuses.
56         Properly translate virtual uses through phis, and use
57         vn_lookup_or_add_with vuses.  Handle tcc_reference.
58         (phi_translate_set): Don't add pointless translations to the
59         cache.
60         (get_representative): New function.
61         (vuses_dies_in_block_x): Ditto.
62         (valid_in_set): Add block argument.  Check virtual use validity.
63         (clean): Add block argument. Update call to valid_in_set
64         (compute_antic_aux): Update call to clean.
65         (dump_bitmap_of_names): New function.
66         (compute_vuse_representatives): Ditto.
67         (compute_rvuse): Ditto.
68         (can_value_number_call): Modified to accept calls with vuses.
69         (can_value_number_operation): New function.
70         (can_PRE_operation): Ditto.
71         (need_creation): New vector of stores that may need creation.
72         (find_or_generate_expression): use can_PRE_operation.
73         (create_expression_by_pieces): Handle INDIRECT_REF.
74         Only create one temp until we have to change types.
75         Mark new vars for renaming.
76         (insert_into_preds_of_block): Ignore loopiness of loads.
77         Use can_PRE_operation.
78         Only create one temp until we have to chnge types.
79         (insert_aux): Use can_PRE_operation.
80         Don't pass name to insert_into_preds_of_block.
81         (insert_extra_phis): Only use one temp until we have to change
82         types.
83         (poolify_tree): New function.
84         (modify_expr_template): New var.
85         (poolify_modify_expr): New function.
86         (insert_fake_stores): Ditto.
87         (realify_fake_stores): Ditto.
88         (compute_avail): Use can_value_number_operation.
89         (mark_operand_necessary): Return NULL for non-SSA names.
90         (remove_dead_inserted_code): Update comment.
91         (init_pre): Initialize pretemp, need_creation, storetemp,
92         mergephitemp, prephitemp.
93         Create modify_expr_node_pool.
94         (fini_pre): Free modify_expr_node_pool and need_creation array.
95         (execute_pre): Call insert_fake_stores, compute_rvuse, and
96         realify_fake_stores. 
97         * tree-flow.h (vn_compute): Fix prototype.
98         (vn_add): Ditto.
99         (vn_lookup): Ditto.
100         (sort_vuses): New.
101         (vn_lookup_or_add_with_vuses): Ditto.
102         (vn_add_with_vuses): Ditto.
103         (vn_lookup_with_vuses): Ditto.
104         * passes.c (pass_may_alias): Add.
105
106 2005-12-30  Gabriel Dos Reis  <gdr@integrable-solutions.net>
107
108         * c-pretty-print.h (struct c_pretty_print_info): Add new member
109         "constant". 
110         (pp_constant): New macro.
111         * c-pretty-print.c (pp_c_pretty_printer_init): Set pp->constant.
112
113 2005-12-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
114
115         PR fortran/25586
116         * pa.md: Remove REG_POINTER check from REG+REG peephole2 floating-point
117         store patterns.
118
119 2005-12-29  Mike Stump  <mrs@apple.com>
120
121         * doc/invoke.texi (Objective-C and Objective-C++ Dialect Options
122         -fobjc-exceptions): Don't imply this doesn't work with the GNU
123         runtime.
124
125 2005-12-29  Nathan Sidwell  <nathan@codesourcery.com>
126
127         * varasm.c (get_section): Use gcc_assert.
128
129 2005-12-29  Paul Brook  <paul@codesourcery.com>
130
131         * config/m68k/m68k.h (RETURN_ADDR_RTX): Define.
132         * config/m68k/m68k.c (m68k_initial_elimination_offset): Remove FIXME.
133         Include offset due to FIRST_PARM_OFFSET.
134
135 2005-12-29  Paul Brook  <paul@codesourcery.com>
136
137         * config/m68k/lb1sf68.asm (__cmpdf2): Fix typo in immediate mask.
138         Create wrapper and rename body...
139         (__cmpdf2_internal): ... to this.  Return correct value for unordered
140         result.
141         (__cmpsf2): Create wrapper and rename body...
142         (__cmpsf2_internal): ... to this.  Return corerct value for unordered
143         result.
144         (__eqdf2, __nedf2, __gtdf2, __gedf2, __ltdf2, __ledf2): Use
145         __cmpdf2_internal.
146         (__eqsf2, __nesf2, __gtsf2, __gesf2, __ltsf2, __lesf2): Use
147         __cmpsf2_internal.
148
149 2005-12-29  Paul Brook  <paul@codesourcery.com>
150
151         * config/m68k/fpgnulib.c (__extendsfdf2): Handle negative zero.
152         (__truncdfsf2): Ditto.
153         (__extenddfxf2): Ditto.
154         (__truncxfdf2): Ditto.
155         * config/m68k/lb1sf68.asm (__addsf3): Return -0.0 for -0.0 + -0.0.
156         (__adddf3): Ditto.
157
158 2005-12-29  Daniel Jacobowitz  <dan@codesourcery.com>
159         Paul Brook  <paul@codesourcery.com>
160
161         * config/m68k/m68k.c (m68k_output_pic_call): Don't use bsr.l for
162         !TARGET_68020.
163         * config/m68k/t-m68kelf (EXTRA_PARTS): Remove.
164         (EXTRA_MULTILIB_PARTS): Set.
165         * config/m68k/t-uclinux (EXTRA_PARTS): Remove.
166         (EXTRA_MULTILIB_PARTS): Set.
167
168 2005-12-29  Alan Modra  <amodra@bigpond.net.au>
169
170         PR target/25572
171         * config/rs6000/rs6000.c (create_TOC_reference): Set regs_ever_live.
172
173 2005-12-28  Nathan Sidwell  <nathan@codesourcery.com>
174
175         * config.gcc (mt-*-*): Add --with-arch support.
176         (--with): Print accepted options on error.
177         * config/mt/mt.h (OPTION_DEFAULT_SPECS): Define.
178
179         * config/mt/mt.c (DEF_VEC_P(basic_block),
180         DEF_VEC_ALLOC_P(basic_bloc,heap)): Remove from here.
181
182 2005-12-28  Daniel Berlin  <dberlin@dberlin.org>
183
184         Fix PR tree-optimization/25394
185         * fold-const.c (fold_checksum_tree): Guard 
186         portions of checksumming with correct structure checks.
187
188 2005-12-27  Kazu Hirata  <kazu@codesourcery.com>
189
190         * global.c, tree-ssa-pre.c: Move DEF_VEC_P(basic_block) and
191         DEF_VEC_ALLOC_P(basic_block,{gc,heap}) to ...
192         * basic-block.h: ... here.
193
194 2005-12-27  Roger Sayle  <roger@eyesopen.com>
195
196         * fold-const.c (int_const_binop): Return NULL_TREE when an expression
197         can't be evaluated at compile-time (instead of calling abort).
198         Return NULL_TREE for division (and modulus) by zero.
199         (const_binop):  Return NULL_TREE for floating point operators that
200         aren't handled by real_arithmetic.
201         (fold_binary):  Eliminate "wins" variable, and "binary" label, by
202         folding operators with constant operands early.  Assert that
203         operands are non-NULL.
204
205 2005-12-27  Kazu Hirata  <kazu@codesourcery.com>
206
207         * tree-vrp.c (extract_range_from_binary_expr): Use
208         build_int_cst instead of fold_convert.
209
210 2005-12-26  Mark Mitchell  <mark@codesourcery.com>
211
212         PR c++/23171, c++/23172, c++/25417.
213         * c-decl.c (compound_literal_number): Remove.
214         (build_compound_literal): Use set_compound_literal_name.
215         * c-common.c (compound_literal_number): New variable.
216         (set_compound_literal_name): New function.
217         * c-common.h (set_compound_literal_name): Declare.
218         
219 2005-12-26  Kazu Hirata  <kazu@codesourcery.com>
220
221         PR tree-optimization/25125
222         * convert.c (convert_to_integer): Don't narrow the type of a
223         PLUX_EXPR or MINUS_EXPR if !flag_wrapv and the unwidened type
224         is signed.
225
226 2005-12-26  Graham Stott  <graham.stott@btinternet.com>
227
228         PR middle-end/25568
229         * combine.c (simplify_shift_const_1 <case PLUS>):Fix enable-checking
230         rtl bootstrap failure.
231
232 2005-12-25  Kazu Hirata  <kazu@codesourcery.com>
233
234         * final.c (compute_alignments): Make it static.
235         * gcse.c (gcse_main, bypass_jumps): Likewise.
236         * web.c (web_main): Likewise.
237         * output.h: Remove the prototype for compute_alignments.
238         * rtl.h: Remove the prototypes for web_main, gcse_main, and
239         bypass_jumps.
240
241 2005-12-24  Roger Sayle  <roger@eyesopen.com>
242
243         * expr.c (force_operand): Use expand_fix and expand_float to
244         implement integer <-> FP conversions instead of convert_to_mode.
245
246 2005-12-24  Mark Mitchell  <mark@codesourcery.com>
247
248         PR c++/23171
249         * varasm.c (initializer_constant_valid_p): An ADDR_EXPR of a
250         CONSTRUCTOR is invalid.
251
252 2005-12-23  Daniel Berlin  <dberlin@dberlin.org>
253
254         * tree-pass.h (pass_eliminate_useless_stores): Remove.
255         * tree-ssa-pre.c (is_copy_stmt): Ditto.
256         (follow_copies_till_vuse): Ditto.
257         (do_eustore): Ditto.
258         (gate_eustores): Ditto.
259         (pass_eliminate_useless_stores): Ditto.
260         * passes.c (init_optimization_passes): Ditto.
261
262 2005-12-23  Paolo Bonzini  <bonzini@gnu.org>
263
264         * combine.c (simplify_shift_const): Fix typo.  Use, whenever
265         applicable, simplify_const_binary_operation.
266
267         (simplify_shift_const): Leave only the fallback
268         case when no simplification is possible.  Extract to...
269         (simplify_shift_const_1): ... here.  Always create a new
270         RTX instead of substituting.  Remove the signed_count variable.
271         Return NULL_RTX if no substitution is possible.
272
273         (simplify_and_const_int): Leave only the fallback
274         case when no simplification is possible.  Extract to...
275         (simplify_and_const_int_1): ... here.  Always create a new
276         RTX instead of substituting.  Return NULL_RTX if no substitution
277         is possible.
278
279         (force_to_mode, simplify_comparison): Don't pass a non-NULL first
280         parameter to simplify_and_const_int and simplify_shift_const,
281         unless it is equal to the expected non-simplified result.
282
283 2005-12-23  Jakub Jelinek  <jakub@redhat.com>
284
285         PR target/25005
286         * regrename.c (replace_oldest_value_reg): Use validate_change with
287         IN_GROUP set to 1 instead of doing direct modifications.
288         (copyprop_hardreg_forward_1): Likewise.  If any replace_oldest_*
289         replacements have been performed on an instruction, use
290         apply_change_group ().
291
292 2005-12-23  Hans-Peter Nilsson  <hp@axis.com>
293
294         * config/cris/arit.c (do_31div): Clarify what "31" refers to.
295         [L_divsi3] (__Udiv): Don't use as inline function.
296         [L_modsi3] (__Umod): Ditto.
297         (__Div): Rearrange to call do_31div directly instead of __Udiv.
298         (__Mod): Similarly regarding __Umod.
299
300         PR target/24342
301         * config/cris/cris.c (cris_split_movdx): Add REG_INC notes for
302         emitted insns with post-increments.
303         (cris_expand_epilogue): Ditto.
304
305 2005-12-22  Jakub Jelinek  <jakub@redhat.com>
306             Richard Henderson  <rth@redhat.com>
307
308         Merge from gomp-branch.
309         * builtins.def: Move all DEF_SYNC_BUILTIN to ...
310         * sync-builtins.def: ... new file.
311         (BUILT_IN_FETCH_AND_ADD_16,
312         BUILT_IN_FETCH_AND_SUB_16, BUILT_IN_FETCH_AND_OR_16,
313         BUILT_IN_FETCH_AND_AND_16, BUILT_IN_FETCH_AND_XOR_16,
314         BUILT_IN_FETCH_AND_NAND_16, BUILT_IN_ADD_AND_FETCH_16,
315         BUILT_IN_SUB_AND_FETCH_16, BUILT_IN_OR_AND_FETCH_16,
316         BUILT_IN_AND_AND_FETCH_16, BUILT_IN_XOR_AND_FETCH_16,
317         BUILT_IN_NAND_AND_FETCH_16, BUILT_IN_BOOL_COMPARE_AND_SWAP_16,
318         BUILT_IN_VAL_COMPARE_AND_SWAP_16, BUILT_IN_LOCK_TEST_AND_SET_16,
319         BUILT_IN_LOCK_RELEASE_16): New builtins.
320         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
321         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
322         * builtins.c (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
323         * c-common.c (enum c_builtin_type): Move to top-level from
324         c_common_nodes_and_builtins enum builtin_type.
325         (builtin_types): Move from c_common_nodes_and_builtins.
326         (def_fn_type): New.
327         (c_common_nodes_and_builtins): Use it.
328         (def_builtin_1): Check for error_mark_node.
329         (sync_resolve_size): Handle also 128 bit sync builtins.
330         * Makefile.in (BUILTINS_DEF): New.  Use it instead of builtins.def.
331
332         * config/i386/i386.h (x86_cmpxchg8b, x86_cmpxchg16b): New decls.
333         (TARGET_CMPXCHG8B, TARGET_CMPXCHG16B): Define.
334         * config/i386/i386.c (x86_cmpxchg8b, x86_cmpxchg16b): New variables.
335         * config/i386/sync.md (CASMODE, DCASMODE): New mode macros.
336         (doublemodesuffix, DCASHMODE): New mode attrs.
337         (sync_compare_and_swap<mode>): Change into expand, use CASMODE
338         instead of IMODE, if mode is wider than a word, expand into
339         sync_double_compare_and_swap*.
340         (*sync_compare_and_swap<mode>): New insn.
341         (sync_double_compare_and_swap<mode>): Likewise.
342         (*sync_double_compare_and_swapdi_pic): Likewise.
343         (sync_compare_and_swap_cc<mode>): Use CASMODE instead of IMODE, if
344         mode is wider than a word, expand into
345         sync_double_compare_and_swap_cc*.
346         (sync_double_compare_and_swap_cc<mode>): New insn.
347         (*sync_double_compare_and_swap_ccdi_pic): Likewise.
348
349 2005-12-22  Richard Henderson  <rth@redhat.com>
350
351         * config/i386/mmintrin.h (_mm_add_si64): Only define for SSE2.
352         (_mm_sub_si64): Likewise.
353         * config/i386/xmmintrin.h (_mm_shuffle_pi16, _m_pshufw): Likewise.
354
355 2005-12-23  Alan Modra  <amodra@bigpond.net.au>
356
357         PR rtl-optimization/25432
358         * reload1.c (eliminate_regs_in_insn): Update insn code on
359         successfully re-recognizing modified insn.
360
361 2005-12-22  Richard Guenther  <rguenther@suse.de>
362
363         * tree.c (tree_fold_gcd): Use build_int_cst where appropriate.
364         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
365         * varasm.c (array_size_for_constructor): Likewise.
366         * fold-const.c (size_diffop, invert_truthvalue,
367         optimize_bit_field_compare, make_range, build_range_check,
368         fold_cond_expr_with_comparison, fold_truthop,
369         fold_single_bit_test_into_sign_test, fold_binary): Likewise.
370
371 2005-12-22  Dale Johannesen  <dalej@apple.com>
372
373         * config/i386/sse.md (sse_movhlps):  Reverse operands for
374         2nd and 3rd alternatives.
375
376 2005-12-22  Andrew Pinski <pinskia@physics.uc.edu>
377
378         PR tree-opt/25513
379         * tree-dfa.c (make_rename_temp): Set DECL_COMPLEX_GIMPLE_REG_P complex
380         variables.
381
382 2005-12-22  Zdenek Dvorak <dvorakz@suse.cz>
383             Steven Bosscher <stevenb@suse.de>
384
385         * df.c (df_bitmaps_free): Only work for bbs for that structures are
386         allocated.
387         (df_bb_modify): Realloc tables to the new index.
388         (df_find_use): New function.
389         (df_find_def, df_reg_used): Handle subregs.
390         * df.h (df_find_use): Declare.
391
392         * loop-invariant.c: Include hashtab.h.
393         (struct invariant): Remove processed field, add eqto and reg fields.
394         (struct invariant_expr_entry): New.
395         (invariant_for_use, hash_invariant_expr_1, invariant_expr_equal_p,
396         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv,
397         find_identical_invariants, merge_identical_invariants): New functions.
398         (create_new_invariant): Return the new invariant.  Initialize new
399         fields.
400         (find_invariants): Call merge_identical_invariants.
401         (get_inv_cost, best_gain_for_invariant, set_move_mark,
402         move_invariant_reg): Handle equivalent invariants.
403         * Makefile.in (loop-invariant.o): Add HASHTAB_H dependency.
404
405 2005-12-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
406
407         PR c++/23333
408         * c-lex.c (c_lex_with_flags): Add PURE_ZERO to cpp_flags if
409         number is a single digit '0'.
410
411 2005-12-22  Kazu Hirata  <kazu@codesourcery.com>
412
413         PR tree-optimization/23518
414         * fold-const.c (make_range): Don't move a constant to the
415         other side of the comparison if the type is signed and -fwrapv
416         is given.
417
418 2005-12-22  Kazu Hirata  <kazu@codesourcery.com>
419
420         * tree-vrp.c (extract_range_from_binary_expr): Clean up uses
421         of vr0.type.
422
423 2005-12-21  Joseph S. Myers  <joseph@codesourcery.com>
424
425         PR middle-end/24998
426         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add _floatundidf and
427         _floatundisf.
428
429 2005-12-21  Andrew Haley  <aph@redhat.com>
430
431         PR middle-end/25121
432         * recog.c (peephole2_optimize): Don't peephole any
433         RTX_FRAME_RELATED_P insns.
434
435 2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
436
437         * tree-data-ref.c (estimate_niter_from_size_of_data): Replace
438         fold_build2 with fold_binary.
439         * tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
440         Replace fold_build1 with fold_unary.
441         * tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
442         with fold_binary.
443
444 2005-12-21  Steven Bosscher  <stevenb@suse.de>
445
446         PR rtl-optimization/25196
447         * postreload-gcse.c (record_last_set_info): Notice stack pointer
448         changes in push insns without REG_INC notes.
449
450 2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
451
452         PR tree-optimization/25382.
453         * tree-vrp.c (extract_range_from_binary_expr): Extract a range
454         from BIT_AND_EXPR.
455
456 2005-12-21  Janis Johnson  <janis187@us.ibm.com>
457             Ben Elliston  <bje@au.ibm.com>
458
459         * configure.ac: Enable C extension for decimal float if invoked
460         with --enable-decimal-float.
461         * doc/install.texi (Configuration): Document it.
462         * configure, config.in: Regenerate.
463
464 2005-12-20  Mike Stump  <mrs@apple.com>
465
466         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
467         ambiguity between -seg_addr_table and -seg_addr_table_filename.
468         (WORD_SWITCH_TAKES_ARG): Likewise.
469         (LINK_SPEC): Likewise.
470
471 2005-12-20  Kenneth Zadeck <zadeck@naturalbridge.com>
472
473         * cfganal.c (flow_reverse_top_sort_order_compute):
474         Renamed to post_order_compute and additional parameter added which
475         allows the inclusion of entry and exit blocks into list.
476         (mark_dfs_back_edges): Fixed comment.
477         (flow_depth_first_order_compute): Renamed to
478         pre_and_rev_post_order_compute additional parameter added which
479         allows the inclusion of entry and exit blocks into list.
480         * global.c (set_up_bb_rts_numbers): Call to
481         flow_reverse_top_sort_order_compute renamed to
482         post_order_compute.
483         * var-tracking.c (vt_stack_adjustments): Fixed comment.
484         (vt_find_locations): Call to
485         flow_depth_first_order_compute renamed to
486         pre_and_rev_post_order_compute.
487         * cfgloop.c (flow_find_loops): Ditto.
488         * tree-ssa-reassoc.c (init_reassoc): Ditto.
489         * df.c (df_analyze_1, df_analyze_subcfg): Calls to
490         flow_reverse_top_sort_order_compute renamed to post_order_compute
491         and calls to flow_reverse_top_sort_order_compute renamed to
492         post_order_compute.
493         * basic_block.h: Ditto.
494
495
496 2005-12-20  Roger Sayle  <roger@eyesopen.com>
497             Paolo Bonzini  <bonzini@gnu.org>
498
499         PR rtl-optimization/25115
500         * gcse.c (pre_insert_copy_insn): Fall back to the sole
501         SET in the insn if there is no SET for an
502         expression that is equivalent to EXPR.
503
504 2005-12-20  Richard Guenther  <rguenther@suse.de>
505
506         PR middle-end/24306
507         * builtins.c (std_gimplify_va_arg_expr): Do not align
508         va frame for zero sized types.
509         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
510
511 2005-12-20  Kazu Hirata  <kazu@codesourcery.com>
512
513         PR tree-optimization/25501
514         * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
515         used in the PHI argument corresponding to the edge from BB to
516         DEST.
517
518 2005-12-20  Richard Guenther  <rguenther@suse.de>
519
520         Revert
521         2005-12-02  Richard Guenther  <rguenther@suse.de>
522
523         * tree-cfg.c (mark_used_vars): New function.
524         (dump_function_to_file): Dump only used VAR_DECLs.
525
526 2005-12-19  Roger Sayle  <roger@eyesopen.com>
527
528         * combine.c (try_combine): Improve splitting of binary operators
529         by taking advantage of reassociative transformations.
530
531 2005-12-19  Jeff Law  <law@redhat.com>
532
533         * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
534         Strip away all type conversions after simplifying the
535         condition.
536
537         * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
538         cases the forwarder block dominates the destination.
539
540 2005-12-19  DJ Delorie  <dj@redhat.com>
541
542         * reload1.c (spill_failure): Dump reload data to dump file.
543         (find_reload_regs): Likewise.
544
545 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
546
547         PR tree-optimization/24793
548         * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
549         original reference if there are subvars.
550         * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
551
552 2005-12-19  Kenneth Zadeck <zadeck@naturalbridge.com>
553
554         * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
555         Corrected basic block number calculations for changes in entry and
556         exit numbering.
557         
558 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
559
560         * tree-flow.h (struct var_ann_d): Change type of
561         may_aliases field to VEC(tree, gc) *.
562         (may_aliases): Declaration changed.
563         * tree-ssa-alias.c (group_aliases, add_may_alias,
564         replace_may_alias, dump_may_aliases_for,
565         is_aliased_with, add_type_alias, new_type_alias):
566         Work with VEC(tree, gc) * instead of varray.
567         * tree-flow-inline.h (may_aliases): Ditto.
568         * tree-ssa.c (verify_flow_insensitive_alias_info,
569         verify_name_tags): Ditto.
570         * tree-ssa-operands.c (add_stmt_operand): Ditto.
571
572 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
573
574         * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
575         comes back.
576
577 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
578
579         * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
580         check.
581
582 2005-12-19  Ben Elliston  <bje@au.ibm.com>
583
584         * doc/install.texi (Configuration): Typo in Fortran subheading.
585
586 2005-12-19  Nathan Sidwell  <nathan@codesourcery.com>
587
588         * config/mt/mt.md (decrement_and_branch_until_zero): Add another
589         scratch.  Correct its reload split. Adjust its peephole.
590         (doloop_end): Add additional scratch.
591         (nop): Use 'nop'.
592         * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
593         (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
594         (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
595         (mt_builtin_saveregs): Replace with ...
596         (mt_setup_incoming_varargs): ... here.  Save just the varadic
597         args.
598         (mt_va_start): Remove.
599         (mt_reorg_hazard): Ignore USE insns.  Don't call set_noop_p.
600         (mt_machine_reorg): Split all insns here.
601         (TARGET_SETUP_INCOMING_VARARGS): Override.
602         * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
603         Set to CPU type.
604         (EXPAND_BUILTIN_VA_START): Remove.
605
606 2005-12-17  Kenneth Zadeck <zadeck@naturalbridge.com>
607
608         * flow.c (update_life_info, count_or_remove_death_notes): Fixed
609         latent bug that could happen if update_life_info was called with a
610         blocks parameter and the call to cleanup_cfg actually deleted one
611         of those blocks. 
612
613 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
614
615         * tree-ssa-structalias.c (update_alias_info): Remove handling
616         of may_be_aliased (SSA_NAME_VAR (op)) case.
617
618 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
619
620         * tree-flow.h (struct stmt_ann_d): Remove
621         makes_aliased_loads and makes_aliased_stores fields.
622         * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
623         and makes_aliased_loads fields.
624         * tree-ssa-dom.c (eliminate_redundant_computations): Do not
625         use makes_aliased_stores.
626         * tree-ssa-operands.c (clobbered_aliased_loads,
627         clobbered_aliased_stores, ro_call_aliased_loads): Removed.
628         (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
629         add_call_read_ops): Do not set makes_aliased_stores and
630         makes_aliased_loads fields.
631         * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
632         field.
633
634 2005-12-18  Geoffrey Keating  <geoffk@apple.com>
635
636         * config/darwin.h: Don't include darwin-sections.def to declare
637         global variables; instead create darwin_section_enum.
638         (darwin_section_enum): New.
639         (darwin_sections): New.
640         * config/darwin.c: Don't include darwin-sections.def to define
641         global variables.
642         (darwin_sections): New.
643         (output_objc_section_asm_op): Rewrite to take advantage of
644         darwin_sections.
645         (darwin_init_sections): Rewrite to use darwin_sections.
646         (machopic_output_indirection): Update for darwin_sections array.
647         (machopic_select_section): Likewise.
648         (machopic_select_rtx_section): Likewise.
649         (machopic_asm_out_constructor): Likewise.
650         (machopic_asm_out_destructor): Likewise.
651         (darwin_file_end): Likewise.
652         * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
653         * config/i386/i386.c (machopic_output_stub): Likewise.
654
655 2005-12-18  Richard Guenther  <rguenther@suse.de>
656
657         PR tree-optimization/25481
658         * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
659         don't have a varinfo for.
660
661 2005-12-18  Jon Grimm  <jgrimm2@us.ibm.com>
662             Janis Johnson  <janis187@us.ibm.com>
663             Ben Elliston  <bje@au.ibm.com>
664
665         * optabs.c (init_floating_libfuncs): Handle decimal float modes.
666         (init_optabs): Handle libfuncs for decimal float.
667         * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
668         * stor-layout.c (int_mode_for_mode): Likewise.
669         * simplify-rtx.c (simplify_immed_subreg): Likewise.
670         (simplify_unary_operation_1): Skip optimisations for decimal float
671         modes.
672         * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
673         * emit-rtl.c (gen_const_vector): Add assertion check.
674         (init_emit_once): Populate const_tiny_rtx with constants in each
675         decimal float mode.
676         * expmed.c (extract_high_half, expand_mult_highpart_optab,
677         expand_mult_highpart): Assert that mode is not a scalar float
678         mode.
679         * expr.c (convert_move): Handle conversion between decimal and
680         binary floats of the same size.
681         * convert.c (convert_to_real): Consider decimal float types when
682         folding.
683         * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
684         describe decimal floating point types.
685         
686 2005-12-18  Ulrich Weigand  <uweigand@de.ibm.com>
687
688         PR rtl-optimization/21041
689         * reload.c (find_reloads_subreg_address): Replace paradoxical
690         subreg of MEM by widened access only if the resulting memory
691         is properly aligned, even on !STRICT_ALIGNMENT targets.
692
693 2005-12-18  Andreas Krebbel  <krebbel1@de.ibm.com>
694
695         * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
696
697 2005-12-18  Steven Bosscher  <stevenb@suse.de>
698
699         * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
700         the 2005-12-17 patch to renumber the entry and exit blocks.
701
702 2005-12-18  Gabriel Dos Reis  <gdr@integrable-solutions.net>
703
704         * doc/objc.texi (Type encoding): Fix typo.
705
706 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
707
708         * tree-tailcall.c (find_tail_calls): Use XNEW.
709         * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
710         (free_all_edge_infos): Use explicit cast to convert from void *.
711         (vrp_free): Likewise.
712         (dom_opt_finalize_block): Likewise.
713         (record_equivalences_from_incoming_edge): Likewise.
714         (thread_across_edge): Likewise.  Use XCNEWVEC.
715         (record_cond): Use XCNEW.
716         (record_conditions): Use XNEWVEC.
717         (record_edge_info): Use XCNEWVEC.
718         (lookup_avail_expr): Use XNEW.
719         (record_range): Likewise.  Use GGC_NEW.
720         * tree-nested.c (var_map_hash): Use explicit cast to convert from
721         void *.
722         (var_map_eq): Likewise.
723         (lookup_field_for_decl): Likewise.
724         (convert_nonlocal_reference): Likewise.
725         (convert_local_reference): Likewise.
726         (convert_nl_goto_reference): Likewise.
727         (convert_nl_goto_receiver): Likewise.
728         (convert_call_expr): Likewise.
729         (convert_tramp_reference): Likewise.
730         (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
731         (convert_nl_goto_reference): Likewise.
732         (lookup_field_for_decl): Use GGC_NEW.
733         (create_nesting_tree): Use GGC_CNEW.
734         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
735         * tree-ssa-alias.c (init_alias_info): Use XCNEW.
736         (create_alias_map_for): Likewise.
737         (setup_pointers_and_addressables): Use XCNEWVEC.
738         (get_ptr_info): Use GGC_NEW.
739         (used_part_map_eq): Use explicit cast to convert from void *.
740         (up_lookup): Likewise.
741         (up_insert): Use XNEW.
742         (get_or_create_used_part_for): Use XCNEW.
743         (get_tmt_for): Likewise.
744         * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
745         * tree-ssa-pre.c (phi_trans_add): Use XNEW.
746         (bitmap_set_new): Use explicit cast to convert from void *.
747         (set_new): Likewise.
748         (insert_into_set): Likewise.
749         (pool_copy_list): Likewise.
750         (phi_translate): Likewise.
751         (create_value_expr_from): Likewise.
752         (insert_aux): Use XCNEWVEC.
753         (compute_avail): Use XNEWVEC.
754         * tree-ssa-live.c (calculate_live_on_entry): Likewise.
755         (sort_coalesce_list): Likewise.
756         (build_tree_conflict_graph): Use XCNEWVEC.
757         * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
758         * tree-ssa-copy.c (init_copy_prop): Likewise.
759         (fini_copy_prop): Likewise.
760         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
761         and XCNEWVEC.
762         (record_equiv): Use XNEW.
763         (uncprop_into_successor_phis): Use explicit cast to convert from
764         void *.
765         (uncprop_initialize_block): Likewise.
766
767 2005-12-18  Dorit Nuzman  <dorit@il.ibm.com>
768
769         PR tree-optimization/24378      
770         * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
771         basic-block after loop-versioning. 
772
773 2005-12-18  Jeff Law  <law@redhat.com>
774
775         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
776         to simplify SWITCH_EXPR_CODE moved from here to ...
777         * tree-ssa-forwprop.c (simplify_switch_expr): Here.
778         (tree-ssa-forward_propagate_single_use_vars): Call
779         simplify_switch_expr when appropriate.
780
781 2005-12-17  Andrew Pinski  <pinskia@physics.uc.edu>
782
783         * doc/objc.texi (Type encoding): Add documentation about encoding
784         complex types and _Bool.
785
786 2005-12-17  Paul Brook  <paul@codesourcery.com>
787
788         * config/m68k/m68k.md (m68k_output_function_prologue): Always call
789         dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
790         when frame_pointer_needed. 
791
792 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
793
794         * tree-vn.c (vn_add): Use XNEW.
795         * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
796         (ccp_fold): Likewise.
797         (fold_stmt_r): Use explicit cast to convert from void *.
798         * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
799         (new_temp_expr_table): Likewise.
800         * gimplify.c (lookup_tmp_var): Use XNEW.
801         (gimplify_asm_expr): Use explcit cast to convert from void *.
802         * tree-into-ssa.c (get_ssa_name_ann): Likewise.
803         (get_def_blocks_for): Use XNEW.
804         (add_to_repl_tbl): Likewise.
805         (mark_def_sites): Use explicit cast to convert from void *.
806         (def_blocks_free): Likewise.
807         (mark_def_sites_initialize_block): Likewise.
808         (update_ssa): Use XNEWVEC.
809         * tree-dfa.c (create_var_ann): Use GGC_NEW.
810         (create_stmt_ann): Likewise.
811         (create_tree_ann): Likewise.
812         (referenced_var_insert): Likewise.
813         (set_default_def): Likewise.
814         (referenced_var_lookup_if_exists): Use explicit cast to convert
815         from void *.
816         (referenced_var_lookup): Likewise.
817         (default_def): Likewise.
818         (set_default_def): Likewise.
819         * tree-cfg.c (create_bb): Likewise.
820         (edge_to_cases_cleanup): Likewise.
821         (verify_node_sharing): Likewise.
822         (record_switch_edge): Use XNEW.
823         (cleanup_dead_labels): Use XCNEWVEC.
824         (tree_duplicate_sese_region): Use XNEWVEC.
825         * tree-scalar-evolution.c (get_instantiated_value): Likewise.
826         * tree-ssa.c (verify_ssa): Use XCNEWVEC.
827         (int_tree_map_eq): Use explicit cast to convert from void *.
828         * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
829         (__gcov_execl): Likewise.
830         (__gcov_execlp): Likewise.
831         (__gcov_execle): Likewise.
832         * tree-eh.c (struct_ptr_eq): Likewise.
833         (struct_ptr_hash): Likewise.
834         (lookup_stmt_eh_region_fn): Likewise.
835         (outside_finally_tree): Likewise.
836         (find_goto_replacement): Likewise.
837         (make_eh_edge): Likewise.
838         (mark_eh_edge): Likewise.
839         (add_stmt_to_eh_region_fn): Use GGC_NEW.
840         (record_in_finally_tree): Use XNEW.
841         (maybe_record_in_goto_queue): Use XRESIZEVEC.
842         (lower_try_finally_copy): Use XCNEWVEC.
843
844 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
845
846         * tree-inline.c (copy_body_r): Use explicit cast when converting
847         from void *.
848         (copy_bb): Likewise.
849         (copy_edges_for_bb): Likewise.
850         (remap_decl_1): Likewise.
851         (estimate_num_insns_1): Likewise.
852         * cgraph.c (hash_node): Use explicit cast when converting from
853         void *.
854         (eq_node): Likewise.
855         (cgraph_create_node): Use GGC_CNEW.
856         (cgraph_create_edge): Use GGC_NEW.
857         (cgraph_remove_node): Use explicit cast when converting from void *.
858         (hash_varpool_node): Likewise.
859         (eq_varpool_node): Likewise.
860         (cgraph_varpool_node): Use GGC_CNEW.
861         * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
862         * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
863         (eq_scev_info): Use explicit cast when converting from void *.
864         (find_var_scev_info): Likewise.
865         (set_instantiated_value): Likewise.
866         (gather_stats_on_scev_database_1): Likewise.
867         * cfgloop.h (simple_loop_desc): Use explicit cast when converting
868         from void *.
869         * c-pch.c (c_common_write_pch): Use XNEWVEC.
870         (c_common_read_pch): Likewise.
871         * prefix.c (save_string): Use XNEWVEC.
872         (translate_name): Use explicit cast when converting from void *.
873         * c-ppoutput.c (print_line): Use explicit cast when converting
874         from void *.
875         (pp_dir_change): Likewise.
876         * c-cppbuiltin.c (builtin_define_std): Likewise.
877         (builtin_define_with_value): Likewise.
878         (builtin_define_with_value_n): Likewise.
879         (builtin_define_with_int_value): Likewise.
880         (builtin_define_type_max): Likewise.
881         * c-incpath.c (add_env_var_paths): Use XNEWVEC.
882         (add_path): Use XNEW.
883         * c-format.c (check_format_info_main): Use GGC_NEW.
884         (format_type_warning): Use explicit cast when converting from void *.
885         * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
886         xmalloc. 
887         (start_init): Likewise.
888         * tree-flow-inline.h (first_referenced_var): Use explicit cast
889         when converting from void *.
890         (next_referenced_var): Likewise.
891         * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
892         * gensupport.c (lookup_predicate): Use explicit cast to convert
893         from void *.
894         (init_predicate_table): Use XCNEW instead of xcalloc.
895         * genpreds.c (process_define_predicate): Likewise.
896
897 2005-12-17  Danny Berlin <dberlin@dberlin.org>
898             Kenneth Zadeck <zadeck@naturalbridge.com>
899
900         * basic-block.h: Changed basic block numbering so that the entry
901         block is 0 and the exit block is 1.  Changed insn iterators so
902         that they are tolerant of blocks with no insns.
903         * regrename.c (copyprop_hardreg_forward): Changed basic block
904         numbering so that the entry block is 0 and the exit block is 1.
905         * sched-ebb.c (sehedule_ebbs): Ditto.
906         * tracer.c (branch_ratio_cutoff): Ditto.
907         * cfgloopmanip.c (fix_loop_structure): Ditto.
908         * cfghooks.c (verify_flow_info): Ditto.
909         * cfg.c (compact_blocks): Ditto.
910         * reorg.c (dbr_schedule): Ditto.
911         * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
912         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
913         calculate_dominance_info): Ditto.
914         * cfganal.c (create_edge_list, print_edge_list,
915         flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
916         flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
917         dfs_enumerate_from): Ditto.
918         * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
919         * ifcvt.c (find_if_case_2): Ditto.
920         * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
921         find_basic_blocks): Ditto.
922         * predict.c (predict_loops, tree_bb_level_predictions,
923         predict_paths_leading_to, propagate_freq): Ditto.
924         * lcm.c (compute_antinout_edge, compute_laterin,
925         compute_available): Ditto.
926         * function.c (thread_prologue_and_epilogue_insns): Ditto.
927         * gcse.c (gcse_main, bypass_jumps): Ditto.
928         * profile.c (compute_branch_probabilities,
929         compute_value_histograms, branch_prob): Ditto.
930         * tree-flow-inline.h (bsi_start, bsi_after_labels,
931         bsi_last): Ditto.
932         * tree-ssa-phiopt.c (tree_ssa_phiopt,
933         blocks_in_phiopt_order): Ditto.
934         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
935         compute_out, link_btr_uses, migrate_btr_defs): Ditto.
936         * tree-dfa.c (collect_dfa_stats): Ditto.
937         * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
938         * cfglayout.c (fixup_reorder_chain): Ditto.
939         * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
940         partition_hot_cold_basic_blocks): Ditto.
941         * var-tracking.c (vt_find_locations): Ditto.
942         * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
943         * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
944         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
945         label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
946         * tree-ssa-reassoc.c (init_reassoc): Ditto.
947         * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
948         rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
949         * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
950         and removed unused reverse orders.
951         * df.h (): Ditto.
952         * combine.c: Fix document typo.
953
954 2005-12-17  Jan Hubicka  <jh@suse.cz>
955
956         * tree-flow-inline.h (set_default_def, default_def): Kill.
957         * tree-dfa.c (default_defs): New global variable.
958         (default_def, set_default_def): New functions.
959         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
960         * tree-flow.h (struct var_ann_d): Kill default_def field.
961         (set_default_def, default_def): Update prototype.
962         (default_defs): Declare.
963
964 2005-12-16  Jeff Law  <law@redhat.com>
965
966         * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
967         (simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
968         into tree-ssa-forwprop.c.
969         (eliminate_redundant_computations): Do not call
970         simplify_rhs_and_lookup_avail_expr anymore.
971         * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
972         extracted from remnants of simplify_rhs_and_lookup_avail_expr.
973         (tree_ssa_forward_propagate_single_use_vars): Call
974         simplify_not_neg_expr appropriately.
975
976 2005-12-16  Bernd Trog  <berndtrog@yahoo.com>
977
978         PR target/20016
979         * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
980
981 2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
982
983         PR rtl-optimization/25456
984         * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
985         info->x_start with p->x_start.
986
987 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
988
989         * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
990         introduced 2005-12-16.
991
992 2005-12-16  Steven Bosscher  <stevenb@suse.de>
993
994         PR rtl-optimization/23837
995         * optabs.c (expand_binop): For a multi-word rotate, never emit
996         a REG_NO_CONFLICT block.
997
998 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
999
1000         PR middle-end/25457
1001         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
1002
1003         PR target/25447
1004         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
1005         MODE_DECIMAL_FLOAT.
1006
1007 2005-12-16  Steven Bosscher  <stevenb@suse.de>
1008
1009         * loop-invariant.c (move_loop_invariants): Add missing hunk from
1010         the previous patch, to nullify df.
1011
1012 2005-12-16  Steven Bosscher  <stevenb@suse.de>
1013
1014         * reorg.c (mostly_true_jump): Clean up code depending on
1015         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
1016         poor man's branch prediction, instead rely on REG_BR_PROB
1017         notes to be available.
1018
1019 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
1020
1021         PR rtl-optimization/24899
1022         * loop.c (strength_reduce): Don't reduce giv that is not always
1023         computable and where add_val or mult_val can trap.
1024
1025         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
1026
1027 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
1028
1029         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
1030         names of ms1-16-002 files.
1031
1032 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
1033
1034         PR driver/20425
1035         * gcc.c (for_each_path): New function.
1036         (add_to_obstack, file_at_path): New functions.
1037         (struct file_at_path_info, struct add_to_obstack_info): New.
1038         (build_search_list): Rewrite using for_each_path.  Constify struct
1039         path_prefix pointer.  Add do_multi param.  Adjust all callers.
1040         (find_a_file): Similarly, but just change existing param to bool.
1041         (putenv_from_prefixes): Add do_multi param, make "paths" const.
1042         (do_spec_path): Delete.
1043         (struct spec_path_info): New.
1044         (spec_path): New function.
1045         (do_spec_1): Use for_each_path for %D and %I.
1046         (find_file): Adjust for find_a_file changes.
1047         (main): Search multilibs for specs.  Print multilib lib path for
1048         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
1049         (read_specs): Search multilibs for %include and %include_noerr.
1050         (is_directory): Remove second string param.  Change last param
1051         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
1052         check path is a dir.  Update all callers.
1053         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
1054         * system.h (SMALL_ARG_MAX): Poison.
1055         * config.gcc: Don't define SMALL_ARG_MAX.
1056         * config.host: Likewise.
1057         * config.build: Likewise.
1058
1059 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
1060
1061         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
1062         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
1063         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
1064         simplify_logical): Move simplifications that do not require
1065         additional infrastructure...
1066         * simplify-rtx.c (simplify_unary_operation_1,
1067         simplify_binary_operation_1): ... here.
1068
1069 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
1070
1071         PR 24823
1072         * flow.c (mark_used_dest_regs): New function.
1073         (mark_used_regs): Call mark_used_dest_regs.
1074
1075 2005-12-16  Jeff Law  <law@redhat.com>
1076
1077         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
1078         represent a use and definition of the same SSA_NAME.
1079
1080 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
1081             Janis Johnson  <janis187@us.ibm.com>
1082             Ben Elliston  <bje@au.ibm.com>
1083
1084         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
1085         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
1086         * target.h (struct gcc_target): Add decimal_float_supported_p.
1087         * targhooks.c (default_scalar_mode_supported_p): Handle
1088         MODE_DECIMAL_FLOAT.
1089         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
1090         of inf, nan, finite, isinf and isnan.
1091         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
1092         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
1093         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
1094         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
1095         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
1096         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
1097         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
1098         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
1099         Pedwarn if decimal floating point types are used.  Error if
1100         decimal floating point is not supported by the target.
1101         (finish_declspecs): Return type from DFP typespec_word.
1102         * c-typeck.c (c_common_type): Choose the decimal floating point
1103         type with the greater precision when determining a common type.
1104         (convert_arguments): Warn if there is a mismatch between argument
1105         and prototype for decimal float types.  Warn of conversions with
1106         binary float types and of precision narrowing due to prototype.
1107         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
1108         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
1109         (c_token_starts_declspecs): Likewise.
1110         (c_parser_attributes): Likewise.
1111         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
1112         RID_DFLOAT64, RID_DFLOAT128.
1113         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
1114         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
1115         (shorten_compare): Convert DFP/BFP operands to a common type.
1116         (c_common_modes_and_builtins): Register built-in decimal float
1117         types if the target supports them.
1118         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
1119         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
1120         inf, nan, finite, isinf and isnan builtins.
1121         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
1122         (builtin_define_float_constants): Assert non-decimal radix.
1123         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
1124         Call builtin_define_decimal_float_constants for each type.
1125         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
1126         flags.  Use real_from_string3, which can handle binary or decimal
1127         floats.
1128         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
1129         cts_dfloat64, cts_dfloat128.
1130         * tree.c (build_common_tree_nodes_2): Add decimal float types.
1131         * tree.h (enum tree_index): Add new enumeration values
1132         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
1133         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
1134         (dfloat32_type_node): New macro.
1135         (dfloat64_type_node, dfloat128_type_node): Likewise.
1136         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
1137         (dfloat128_ptr_type_node): Likewise.
1138         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
1139         bit decimal floating point types with "df", "dd" and "dl".
1140         * c-format.h (enum format_lengths): Add new enumeration values
1141         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
1142         * c-format.c (printf_length_specs, scanf_length_specs): Add
1143         entries for H, D, DD.
1144         (print_char_table, scan_char_table): Use new entries.
1145         (asm_fprintf_char_table, gcc_diag_char_table,
1146         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
1147         length arrays.
1148         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
1149         (DECIMAL64_TYPE_SIZE): Likewise.
1150         (DECIMAL128_TYPE_SIZE): Likewise.
1151         (TARGET_DEC_EVAL_METHOD): Likewise.
1152         * doc/extend.texi (Decimal Float): New node.
1153         (Constructing Calls): Document decimal float built-ins.
1154         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
1155         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
1156         * ginclude/decfloat.h: New file.
1157
1158 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
1159
1160         * reload.c (find_reloads): Fix comment typo.
1161         * recog.h (recog_memoized): Correct comment.
1162
1163 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
1164
1165         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
1166         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
1167         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
1168         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
1169         * doc/invoke.texi, doc/tm.texi: Fix typos.
1170
1171 2005-12-16  Ben Elliston  <bje@au.ibm.com>
1172
1173         * real.c (decimal_quad_format): Correct values for emin, emax.
1174
1175 2005-12-15  DJ Delorie  <dj@redhat.com>
1176
1177         * config/m32c/predicates.md (m32c_psi_scale): New.
1178         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
1179         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
1180
1181 2005-12-16  Jan Hubicka  <jh@suse.cz>
1182
1183         PR rtl-optimization/25224
1184         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
1185         tables.
1186
1187 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
1188             Steven Bosscher <stevenb@suse.de>
1189
1190         * loop-invariant.c (df): New global variable.
1191         (find_defs, check_dependencies, find_invariant_insn, record_uses,
1192         find_invariants_bb, find_invariants_body, find_invariants,
1193         find_invariants_to_move, move_invariants, free_inv_motion_data,
1194         move_single_loop_invariants, move_loop_invariants): Do not pass df in
1195         arguments.
1196
1197 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
1198
1199         * varasm.c (default_unique_section_1): Use special section
1200         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
1201
1202 2005-12-16  Ben Elliston  <bje@au.ibm.com>
1203
1204         * doc/invoke.texi (Warning Options): Document -Walways-true being
1205         enabled by -Wall.
1206
1207 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
1208
1209         PR other/25028
1210         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
1211         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
1212         __floatunditf): Use #error if type sizes don't match requirements
1213         of implementation.
1214         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
1215         as wider floating-point type.  Use #error if type sizes don't
1216         match requirements of implementation.  Avoid overflow in computing
1217         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
1218         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
1219         (__floatundisf, __floatundidf): Likewise.
1220         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
1221         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1222         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
1223         TFmode-TImode conversions.
1224         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
1225
1226 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
1227
1228         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
1229         Use builtin_define_with_int_value() instead of
1230         adding a new check for every new major FreeBSD version.
1231
1232 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
1233
1234         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
1235
1236 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
1237
1238         * config/arm/predicates.md (call_memory_operand): New.
1239         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
1240
1241 2005-12-15  Andrew Haley  <aph@redhat.com>
1242
1243         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
1244         against prev_cache_entry == NULL when moving a cache entry to the
1245         head of the list.
1246         
1247 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1248
1249         * config/mt/mt.c (mt_override_options): Require lower case
1250         architectures.  Revert accidental default to ms2.
1251         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
1252         ENDFILE_SPEC): Require lower case architectures.  Revert default
1253         to ms2.
1254
1255         * doc/invoke.texi (MT Options): Rename and update.
1256         * doc/md.texi (MorphoTech family): Rename and update.
1257
1258 2005-12-15  Olivier Hainque  <hainque@adacore.com>
1259
1260         * stor-layout.c (layout_type): Don't complain about a too small
1261         an array element type size compared to its alignment when the
1262         size overflows.
1263
1264 2005-12-15  Jan Hubicka  <jh@suse.cz>
1265
1266         PR target/24969
1267         * i386.c (classify_argument): Properly adjust offset of bitfield for
1268         substructures.
1269
1270 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
1271
1272         * final.c (final_scan_insn): Flip in_cold_section_p when changing
1273         between the hot and cold sections.  Use current_function_section
1274         to get the new section.
1275         * dwarf2out.c (output_line_info): Use in_cold_section_p to
1276         determine whether we are assembling hot or cold code.
1277         (secname_for_decl, dwarf2out_var_location): Likewise.
1278         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
1279         * varasm.c (last_text_section): Delete.
1280         (in_cold_section_p): New variable.
1281         (hot_function_section): New function.
1282         (current_function_section): Pass in_cold_section_p as the
1283         reloc argument to select_section.  Use it to decide between
1284         unlikely_function_section and hot_function_section.
1285         (assemble_start_function): Use switch_to_section.  Set
1286         in_cold_section_p instead of last_text_section.
1287         (assemble_end_function): Use switch_to_section.
1288         (switch_to_section): Don't set last_text_section.
1289         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
1290         argument to make the right choice between hot and cold sections.
1291
1292 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1293
1294         Second part of MS1->MT renaming
1295         * config/mt/mt.md (doloop_end): Call mt_add_loop.
1296         (movqi, movhi): Call mt_set_memflags.
1297         (*movdf_internal): Call mt_split_words. 
1298         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
1299         mt_set_memflags.
1300         (cmpsi): Store to mt_compare_op[01].
1301         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
1302         bungt, bunle, bunlt): Call mt_emit_cbranch.
1303         (prologue): Call mt_expand_prologue.
1304         (epilogu): Call mt_expend_epilogue.
1305         (eh_return): Call mt_expand_eh_return.
1306         (eh_epilogue): Call me_emit_eh_epilogue.
1307         (conditional_trap): Store to mt_compare_op[01].
1308         * config/mt/crti.asm: Adjust comment.
1309         * config/mt/crtn.asm: Adjust comment.
1310         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
1311         (mt_compare_op0, mt_compare_op1): Renamed.
1312         (current_frame_info, zero_frame_info): Adjust type.
1313         (mt_ucmpsi3_libcall): Renamed.
1314         (mt_flag_delayed_branch): Renamed.
1315         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
1316         (mt_nops_required, mt_nop_reasons): Renamed.
1317         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
1318         mt_debug_stack, mt_print_operand_simple_address,
1319         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
1320         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
1321         mt_function_arg_advance, mt_arg_partial_bytes,
1322         mt_pass_by_reference, mt_function_arg_boundary,
1323         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
1324         mt_legitimate_address_p): Renamed, adjusted.
1325         (mt_cpu): Renamed.
1326         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
1327         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
1328         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
1329         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
1330         mt_expand_eh_return, mt_emit_eh_prologue,
1331         mt_handl_interrupt_attribute): Renamed, adjusted.
1332         (mt_attribute_table): Renamed, adjusted.
1333         (mt_initial_elimination_offset, mt_generate_compare,
1334         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
1335         mt_secondary_reload_class, mt_function_value, mt_split_words,
1336         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
1337         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
1338         (mt_labels): Renamed.
1339         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
1340         mt_machine_reorg): Renamed, adjusted.
1341         (mt_attribute_table: Renamed.
1342         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
1343         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
1344         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
1345         * config/mt/mt.opt (march): Set mt_cpu_string.
1346         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
1347         (TARGET_CPU_CPP_BUILTINS): Adjust.
1348         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
1349         TARGET_MS2): Adjust.
1350         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
1351         (MT_MIN_INT): Renamed.
1352         (RETURN_ADDR_RTX): Adjust.
1353         (struct mt_frame_info): Renamed.
1354         (current_frame_info): Adjust type.
1355         (INITIAL_ELIMINATION_OFFSET): Adjust.
1356         (MT_NUM_ARG_REGS): Renamed.
1357         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
1358         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
1359         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
1360         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
1361         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
1362         (mt_compare_op0, mt_compare_op1): Renamed.
1363         * config/mt/mt-protos.h: Rename prototypes.
1364
1365 2005-12-15  Richard Guenther  <rguenther@suse.de>
1366
1367         * tree-flow.h (okay_component_ref_for_subvars): Remove.
1368         (get_ref_base_and_extent): Declare.
1369         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
1370         (get_ref_base_and_extent): New function.
1371         * tree-ssa-alias.c (find_used_portions): Use it.
1372         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1373         Likewise.
1374         * tree-ssa-operands.c (get_expr_operands): Likewise.
1375
1376 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
1377
1378         * combine.c: Remove force_to_mode's fourth parameter.
1379         (force_to_mode): Do not handle REG.
1380         (canon_reg_for_combine): New.
1381         (make_field_assignment): Use it where the removed argument was non-NULL.
1382
1383 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
1384
1385         PR target/25406
1386         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
1387         error_mark_node.  Make alignment params unsigned.
1388         * config/rs6000/rs6000-protos.h
1389         (rs6000_special_round_type_align): Update prototype.
1390         (rs6000_machopic_legitimize_pic_address): Remove arg names.
1391
1392 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
1393
1394         PR rtl-optimization/25310
1395         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
1396         of the eliminable register when substituting into a PLUS.
1397
1398 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
1399
1400         PR debug/25023
1401         * config/i386/i386.c (ix86_force_to_memory): Always use
1402         SImode push for HImode in -m32.
1403         (ix86_free_from_memory): Likewise.
1404
1405 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
1406
1407         * gcc/config/arm/arm.md: Provide a big-endian version of the
1408         (zero_extend:SI (subreg:QI ...)) splitter.
1409
1410 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1411
1412         * struct-equiv.c (note_local_live): Handle hard regs with different
1413         hard_regno_nregs.
1414
1415 2005-12-14  Jeff Law  <law@redhat.com>
1416
1417         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
1418         to a structure containing state rather than a pointer to bool.
1419         (case ARRAY_REF): New code to handle folding some array references.
1420         (case ADDR_EXPR): Note when we are processing expressions found
1421         within an ADDRE_EXPR.
1422         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
1423         for state variables rather than just a pointer to a boolean.
1424         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1425         handling of constant string references.
1426
1427 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1428
1429         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
1430         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
1431         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
1432         Move other tst* patterns to retain partial order.
1433
1434 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1435
1436         * config/s390/s390.md ("d0", "1"): New mode attributes.
1437         ("<shift>di3", "<shift>si3"): Merge.
1438         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
1439         ("ashrdi3", "ashrsi3"): Merge.
1440         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
1441         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
1442         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
1443         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
1444         ("*ashrdi3", "*ashrsi3"): Merge.
1445         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
1446
1447 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1448
1449         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
1450         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
1451         ("*extendqidi2", "*extendqisi2") Merge.
1452         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
1453         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1454         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1455         Move some patterns to retain partial ordering.
1456
1457 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1458
1459         * config/s390/s390.md ("atype", "length"): Rewrite.
1460         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1461
1462 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1463
1464         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1465
1466 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1467
1468         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1469         PARALLELs with a mode.
1470
1471 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1472
1473         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1474         cond_expr parameter.
1475
1476 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1477
1478         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1479
1480 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1481
1482         PR bootstrap/25397:
1483
1484         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1485         of STACK_REGS bits.
1486
1487         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1488
1489 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
1490
1491         PR target/25254
1492         PR target/24188
1493         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1494         DECL_P, call get_section rather than get_named_section.  Supply
1495         section flags to it.
1496
1497 2005-12-14  Ben Elliston  <bje@au.ibm.com>
1498
1499         * c-common.c (c_common_truthvalue_conversion): Generalise warning
1500         for addresses converted to booleans; not just function addresses.
1501         * c-typeck.c (build_binary_op): Warn for address comparisons which
1502         can never be NULL (eg. func == NULL or &var == NULL).
1503         * common.opt (Walways-true): New option.
1504         * c-opts.c (c_common_handle_option): Set it with -Wall.
1505         * doc/invoke.texi: Document it.
1506
1507 2005-12-13  Paul Brook  <paul@codesourcery.com>
1508
1509         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1510         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1511
1512 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1513
1514         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1515         (EXTRA_MULTILIB_PARTS): Define.
1516
1517 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1518
1519         PR rtl-optimization/20070 / part1
1520         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1521         count_or_remove_death_notes with kill == -1.
1522         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1523         registers if PROP_POST_REGSTACK is set.
1524         (mark_used_reg): Likewise.
1525         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1526         REG_UNUSED notes for stack regs.
1527         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1528         to match rtx_equiv_p machinery.  Change caller.
1529         (outgoing_edges_match): Likewise.
1530         (try_crossjump_to_edge): Use struct_equiv_block_eq
1531         instead of flow_find_cross_jump.
1532         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1533         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1534         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1535         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1536         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1537         (insns_match_p): Update prototype.
1538         (flow_find_cross_jump): Remove prototype.
1539         (struct_equiv_block_eq, struct_equiv_init): Declare.
1540         (rtx_equiv_p, condjump_equiv_p): Likewise.
1541         * struct-equiv.c: Include reload.h.
1542         (IMPOSSIBLE_MOVE_FACTOR): Define.
1543         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1544         (struct_equiv_improve_checkpoint): Likewise.
1545         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1546         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1547         (struct_equiv_merge, find_dying_input): Likewise.
1548         (resolve_input_conflict, note_local_live): Likewise.
1549         (death_notes_match_p): Change parameters and processing
1550         to match rtx_equiv_p machinery.  Change caller.
1551         (insns_match_p): Likewise.
1552         (flow_find_cross_jump): Replace with:
1553         (struct_equiv_block_eq).
1554
1555         Back out this change:
1556         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1557           * recog.c (verify_changes): Make it static.
1558           * recog.h: Remove the corresponding prototype.
1559
1560 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1561
1562         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1563         values.
1564
1565 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1566
1567         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1568         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
1569         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1570         TARGET_MS1_64_001 appropriately.
1571         (ms1_machine_reorg): Use TARGET_MS2.
1572
1573 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
1574
1575         PR debug/25023
1576         PR target/25293
1577         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1578         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1579         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1580         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1581         Set mode to SI, adjust constraints.
1582         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1583         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1584         32-bit code.
1585
1586 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
1587
1588         * c-cppbuiltin.c (builtin_define_float_constants): Add
1589         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1590         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1591         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1592         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1593         to "((double)%sL)" otherwise "%s".
1594
1595 2005-12-13  Paul Brook  <paul@codesourcery.com>
1596
1597         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1598         apcs/atpcs.
1599
1600 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1601
1602         * tree-flow.h: Allow compilation with a C++ compiler.
1603         (struct edge_prediction): Prefix all field names  with "ep_".
1604         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1605         (tree_predict_edge, combine_predictions_for_bb): Likewise.
1606         (remove_predictions_associated_with_edge): Likewise.
1607         
1608 2005-12-12  Jeff Law  <law@redhat.com>
1609
1610         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1611         reassociation code.
1612         * passes.c (init_optimization_passes): Run reassociation again
1613         after loop optimizations.
1614
1615 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
1616
1617         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1618         if necessary.
1619         (optimize_stmt): Ditto.
1620         (canonicalize_comparison): New function.
1621         * tree-ssa-operands.c (swap_tree_operands): Make external.
1622         (get_expr_operands): Stop auto-canonicalization.
1623         * tree-ssa-reassoc.c: Rewrite.
1624         (init_optimization_passes): 
1625         * tree-flow.h (swap_tree_operands): Prototype.
1626         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1627
1628 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1629
1630         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1631         indicate function epilogue has been output.
1632         (pa_asm_output_mi_thunk): Likewise.
1633         (output_deferred_plabels): Put plabels in readonly data section when
1634         not generating PIC code.
1635         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1636         information.  Add assert.
1637         (som_output_comdat_data_section_asm_op): New function.
1638         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1639         instead of output_section_asm_op for COMDAT sections.
1640
1641 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
1642
1643         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1644         Fix whitespace in vincinity of to-be-installed changes.
1645         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1646         (insns_match_p): Likewise.
1647
1648 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
1649
1650         * config.gcc (ms1): Replace with ...
1651         (mt): ... this.
1652         * config/ms1: Rename to ...
1653         * config/mt: ... here.  Rename ms1 files to mt.
1654         * config/mt/mt.c: Adjust gt-mt.h #include.
1655         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1656         (crti.o, crtn.o): Adjust file names.
1657
1658 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1659
1660         * varray.h: Allow compilation with a C++ compiler.
1661         (union varray_data_tag): Prefix all field names with "vdt_".
1662         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1663         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1664         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1665         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1666         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1667         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1668         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1669         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
1670         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
1671         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
1672         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
1673         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
1674         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
1675         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1676         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
1677         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
1678         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
1679         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
1680         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
1681         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
1682         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
1683         VARRAY_TOP_TREE_PTR): Likewise.
1684         * varray.c (varray_grow): Likewise.
1685         (varray_clear): Likewise.
1686
1687 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
1688
1689         PR target/25299
1690         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1691         alignment to doubleword if the first field is a double array.
1692         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1693
1694 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1695
1696         * tree-ssa-structalias.c (process_constraint): Remove code to
1697         transform addressofs into scalar.
1698         (create_variable_info_for): In whole-program IPA, globals don't
1699         point to ANYTHING by default.
1700
1701 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1702
1703         * timevar.def (TV_IPA_PTA): New.
1704         * tree-pass.h (pass_ipa_pta): New
1705         * tree-ssa-structalias.c: Include cgraph.h
1706         (in_ipa_mode): New.
1707         (predbitmap_obstack): New.
1708         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1709         (struct constraint_stats): Add num_edges.
1710         (new_var_info): Don't call bitmap_clear.
1711         (struct constraint_edge): Update docs.
1712         (new_constraint_edge): Remove src param.
1713         (struct constraint_graph): Add zero_weight_succs,
1714         zero_weight_preds.  Update docs.
1715         (constraint_expr_equal): Reformat.
1716         (constraint_edge_equal): Update for removal of src.
1717         (constraint_edge_less): Ditto.
1718         (constraint_edge_vec_find): Ditto.
1719         (erase_graph_self_edge): Update for removal of src and and zero
1720         weight bitmap.
1721         (clear_edges_for_node): Ditto.
1722         (add_graph_edge): Ditto.
1723         (get_graph_weights): Ditto.
1724         (allocate_graph_weights): Ditto.
1725         (merge_graph_nodes): Ditto.
1726         (int_add_graph_edge): Ditto.
1727         (valid_graph_edge): Ditto.
1728         (valid_weighted_graph_edge): Ditto.
1729         (build_constraint_graph): Ditto.
1730         (scc_visit): Ditto.
1731         (collapse_nodes): Ditto.
1732         (process_unification_queue): Ditto.
1733         (topo_visit): Ditto.
1734         (solve_graph): Ditto.
1735         (do_structure_copy): Ditto.
1736         (perform_var_substitution): Ditto.
1737         Init and release obstack.
1738         (handle_ptr_arith): Try to resolve directly.
1739         (find_func_aliases): Don't call update_alias_info here
1740         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1741         (do_sd_constraint): Add code for propagating faster.
1742         Update.
1743         (do_ds_constraint): Ditto.
1744         (count_num_arguments): New function.
1745         (create_function_info_for): Ditto.
1746         (create_variable_info_for): Handle FUNCTION_DECL.
1747         (intra_create_variable_infos): Use make_constraint_to_anything.
1748         (init_alias_vars): Init obstacks here.
1749         (need_to_solve): Handle zero weight graph changes.
1750         (compute_points_to_sets): Call update_alias_info here.
1751         (delete_points_to_sets): Free zero weight preds/succs here.
1752         (gate_ipa_pta): New.
1753         (ipa_pta_execute): New
1754
1755 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1756
1757         * tree-ssa-structalias.c (var_anyoffset): Removed.
1758         (anyoffset_tree): Ditto.
1759         (anyoffset_id): Ditto.
1760         (do_deref): Take vector of constraints, no return value.
1761         Update to work on vector.                
1762         (get_constraint_for): Ditto.
1763         (get_constraint_for_component_ref): Ditto.
1764         (do_structure_copy): Ditto.
1765         (handle_ptr_arith): Ditto.
1766         (find_func_aliases): Ditto.
1767         (set_uids_in_ptset): Remove anyoffset handling.
1768         (init_base_vars): Ditto.
1769
1770 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
1771
1772         PR c++/25010
1773         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1774         DECL_EXTERNAL functions have no bodies.  Tidy.
1775
1776 2005-12-10  Andreas Schwab  <schwab@suse.de>
1777
1778         * except.c (switch_to_exception_section): Only define if
1779         TARGET_UNWIND_INFO is not defined.
1780
1781 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1782
1783         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1784         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1785
1786 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1787
1788         * output.h (init_section, fini_section): Delete.
1789         * varasm.c (init_section, fini_section): Delete.
1790         (init_varasm_once): Don't initialize them.
1791         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1792         there are no corresponding varasm.c variables.
1793
1794 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1795
1796         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1797         of EH_FRAME_SECTION_NAME into...
1798         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
1799         if it is still null.
1800         * except.c (default_exception_section): Delete, moving most
1801         of the code to...
1802         (switch_to_exception_section): ...this new function.  Set
1803         exception_section if it is still null, then switch to it.
1804         (output_function_exception_table): Use switch_to_exception_section.
1805         * varasm.c (exception_section, eh_frame_section): Update comments.
1806         (get_section): Hoist use of SECTION_NAMED.
1807         (init_varasm_once): Don't set exception_section and eh_frame_section.
1808         * output.h (default_exception_section): Delete.
1809         (default_eh_frame_section): Delete.
1810
1811 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1812
1813         * config/bfin/bfin.c: Include "cgraph.h".
1814         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1815         Return the reg that holds the pointer to the GOT.
1816         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1817         doing stack checking.
1818
1819 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
1820
1821         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1822         recompute_tree_invarant_for_addr_expr.
1823         Update uses everywhere.
1824
1825 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
1826
1827         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1828         (MULTILIB_DIRNAMES): Define.
1829
1830 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1831
1832         PR target/25311
1833         * config/s390/s390.c (struct s390_address): New field literal_pool.
1834         (s390_decompose_address): Compute literal_pool field.  Do not 
1835         assume register %r13 is always (and solely) used as pool base.
1836         (s390_extra_constraint_str): Use literal_pool field.
1837
1838 2005-12-09  Thiemo Seufer  <ths@networkno.de>
1839
1840         * config/mips/mips.c (override_options): Don't allow too small
1841         integers in FP registers.
1842
1843 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1844
1845         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1846         targetm.binds_local_p to check for local function calls.
1847
1848 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
1849
1850         PR debug/24908
1851         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1852         call_used_regs can't be used to save reg in another reg.
1853
1854 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1855             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
1856
1857         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1858         abort.
1859         * except.c (output_ttype): Likewise.
1860         * tree-object-size.c (collect_object_sizes_for): Likewise.
1861         (check_for_plus_in_loops_1): Likewise.
1862         (check_for_plus_in_loops): Likewise.
1863         (compute_object_sizes): Use gcc_unreachable instead of abort.
1864
1865 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
1866
1867         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1868         (loop_end, loop_init, doloop_end): New insns.
1869         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1870         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1871         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1872         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1873         * config/ms1/ms1.c: #include basic-block.h
1874         (struct machine_function): Add has_loops field.
1875         (ms1_add_loop): New.
1876         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1877         (struct loop_info, struct loop_work): New.
1878         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1879         (ms1_reorg_loops): New loop optimization.
1880         (ms1_machine_reorg): Call it.
1881         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1882
1883 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
1884
1885         PR tree-optimization/25248
1886         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1887         evolution_of_loop from the failed attempt.  Remove handling
1888         of MULT_EXPR.
1889
1890 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1891
1892         * tree.h (DECL_EXTERNAL): Clarify documentation.
1893
1894 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1895             Jakub Jelinek  <jakub@redhat.com>
1896
1897         PR target/25268
1898         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1899         argument.  Don't drop outer ANDs.
1900         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1901         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1902         prototype.
1903         * config/s390/predicates.md (setmem_operand): Remove.
1904         (shift_count_operand): Rename to...
1905         (shift_count_or_setmem_operand): ... this.  Adjust
1906         s390_decompose_shift_count caller.
1907         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1908         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1909         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1910         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1911         rotl<mode>3_and, setmem_long_and): New insns.
1912         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1913         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1914         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1915         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1916         of shift_count_operand.
1917         (setmem_long): Use shift_count_or_setmem_operand instead of
1918         setmem_operand.
1919
1920 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
1921             Andreas Tobler  <a.tobler@schweiz.ch>
1922
1923         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1924         tr expression.
1925
1926 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1927
1928         * expr.c (force_operand): Use convert_to_mode for conversions.
1929
1930 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1931
1932         * reload.h (reg_equiv_invariant): Declare.
1933         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1934         register also when reg_equiv_invariant[R] is set.
1935
1936 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1937             Andreas Tobler  <a.tobler@schweiz.ch>
1938
1939         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1940
1941 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
1942
1943         * tree-ssa-pre.c (bitmap_set_and): New function.
1944         (bitmap_set_and_compl): New function.
1945         (bitmap_set_empty_p): New function.
1946         (insert_extra_phis): New function.
1947         (compute_avail): Use insert_extra_phis.
1948
1949 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1950
1951         * config/s390/s390.c (s390_expand_atomic): New function.
1952         Adjust comment of helper functions.
1953         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1954         * config/s390/s390.md ("ATOMIC"): New code macro.
1955         ("atomic"): Corresponding new code attribute.
1956         ("sync_lock_test_and_set[hq]i", 
1957         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1958
1959 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1960
1961         * config/s390/s390.c (s390_expand_mask_and_shift, 
1962         struct alignment_context, init_alignment_context, 
1963         s390_expand_cs_hqi): New.
1964         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1965         * config/s390/s390.md ("sync_compare_and_swaphi",
1966         "sync_compare_and_swapqi"): New pattern.
1967
1968 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
1969
1970         Fix PR tree-optimization/25291
1971         * tree-ssa-operands.c (add_call_clobber_ops): Remove
1972         redundant and crashing check.
1973
1974 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
1975
1976         PR target/25212
1977         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1978         tests further when !strict && reload_in_progress.
1979         (print_operand): Check that both operands of indexed address are regs.
1980         (print_operand_address): Likewise.
1981         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1982         (INT_REG_OK_FOR_BASE_P): Correct.
1983
1984 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1985
1986         Preparation for PR rtl-optimization/20070 / part1
1987         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1988         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1989         outgoing_edges_match.
1990         (outgoing_edges_match): Use condjump_equiv_p.
1991         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1992         into..
1993         * struct-equiv.c: New file.
1994         (death_notes_match_p) New function, broken out of insns_match_p.
1995         * Makefile.in (OBJS-common): Add struct-equiv.o.
1996         (struct-equiv.o): New target.
1997
1998 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1999
2000         * coretypes.h: Revert previous change.
2001         * config/darwin.h: Revert previous reversion.
2002         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
2003
2004 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
2005
2006         * coretypes.h (section): Provide dummy definition for target files.
2007         * config/darwin.h: Revert previous change.
2008
2009 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
2010
2011         * doc/sourcebuild.texi (all.build, install-normal): Remove.
2012         * configure.ac: Remove all.build and install-normal from target_list
2013         * configure: Regenerate.
2014         * Makefile.in (install): Don't depend on install-normal.
2015
2016 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
2017
2018         * Makefile.in: Document the use of stamps.
2019
2020 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
2021
2022         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
2023         * Makefile.in: Add code to compute some dependencies on s-gtype
2024         automatically.  Remove the declaration of those dependencies.
2025
2026 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
2027
2028         * gcc/reload.c (push_secondary_reload): Fix typo:
2029         s/insn_constraint/scratch_constraint/.
2030
2031 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
2032
2033         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
2034
2035 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
2036
2037         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
2038         (alpha_elf_select_rtx_section): Return the selected section rather
2039         than emitting assembly code.
2040         (alpha_write_linkage): Emit a ".link" directive directly and then
2041         set in_section to NULL.
2042         (vms_asm_out_constructor): Use switch_to_section.
2043         (vms_asm_out_destructor): Likewise.
2044         (unicosmk_output_common): Set in_section to NULL instead of calling
2045         the dummy common_section function.
2046         (unicosmk_text_section): Delete in favor of...
2047         (unicosmk_output_text_section_asm_op): ...this new function.
2048         (unicosmk_data_section): Delete in favor of...
2049         (unicosmk_output_data_section_asm_op): ...this new function.
2050         (unicosmk_init_sections): New function.
2051         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
2052         (unicosmk_output_ssib): Set in_section to NULL instead of calling
2053         the dummy ssib_section function.
2054         (unicosmk_section_buf): Delete.
2055         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
2056         (unicosmk_data_section): Delete.
2057         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2058         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
2059         (SECTION_FUNCTION_TEMPLATE): Delete.
2060         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
2061         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2062         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
2063         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2064         (TARGET_ASM_INIT_SECTIONS): Define.
2065         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
2066         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2067         (link_section, literals_section): Delete.
2068         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
2069         set in_section to NULL.
2070
2071         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
2072         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
2073         (COMMON_SECTION): Delete.
2074         (TARGET_ASM_INIT_SECTIONS): Define.
2075         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
2076         the dummy common_section function.
2077         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2078         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
2079         between readonly_data_section and text_section to check whether
2080         read-only data is being put in the text section.
2081         (arm_output_function_epilogue): Use switch_to_section.
2082         (arm_elf_asm_constructor): Likewise.
2083         (thumb_call_via_reg): Replace call to in_text_section with
2084         a comparison between in_section and text_section.
2085         (arm_file_end): Use switch_to_section.
2086         (aof_text_section): Delete in favor of...
2087         (aof_output_text_section_asm_op): ...this new function.
2088         (aof_data_section): Delete in favor of...
2089         (aof_output_data_section_asm_op): ...this new function.
2090         (aof_asm_init_sections): New function.
2091         (zero_init_section): Moved from config/arm/aof.h.
2092         (aof_dump_imports, aof_file_start): Use switch_to_section.
2093         * config/arm/arm.h (thumb_call_via_label): Update comment.
2094         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
2095         (common_section): Delete.
2096         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2097         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2098         global switch_to_section function instead of the old port-local one.
2099         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
2100         (SWITCH_TO_SECTION_FUNCTION): Delete.
2101         (drectve_section): Redefine as a macro.
2102         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
2103         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
2104         switch_to_section.
2105
2106         * config/avr/avr.c (progmem_section): New variable.
2107         (avr_output_progmem_section_asm_op): New function.
2108         (avr_asm_init_sections): New function.
2109         (avr_output_addr_vec_elt): Use switch_to_section.
2110         * config/avr/avr.h (progmem_section): Declare.
2111         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2112         (READONLY_DATA_SECTION): Delete.
2113         (TARGET_ASM_INIT_SECTIONS): Define.
2114         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
2115         * config/avr/avr-protos.h (progmem_section): Delete.
2116
2117         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2118
2119         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2120         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
2121
2122         * config/darwin-sections.def: New file.
2123         * config/darwin.c: Define all sections in darwin-sections.def.
2124         (output_objc_section_asm_op, darwin_init_sections): New functions.
2125         (machopic_output_indirection): Use switch_to_section.
2126         (machopic_select_section): Return the selected section rather than
2127         emitting assembly code.  Replace the static function table with
2128         inline conditional expressions.  Update the tests of last_text_section
2129         and move them into the FUNCTION_DECL block.
2130         (machopic_select_rtx_section): Return the selected section rather than
2131         emitting assembly code.
2132         (machopic_asm_out_constructor, machopic_asm_out_destructor)
2133         (darwin_file_end): Use switch_to_section.
2134         * config/darwin.h: Use darwin-sections.def to declare sections.
2135         (INIT_SECTION_ASM_OP): Remove empty definition.
2136         (HAS_INIT_SECTION): Define this instead.
2137         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2138         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
2139         (TARGET_ASM_EH_FRAME_SECTION): Delete.
2140         (TARGET_ASM_INIT_SECTIONS): Define.
2141         * config/darwin-protos.h (darwin_init_sections): Declare.
2142         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
2143         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
2144         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
2145         (constructor_section, destructor_section, mod_init_section): Delete.
2146         (mod_term_section): Delete.
2147         (darwin_exception_section, darwin_eh_frame_section): Delete.
2148         (machopic_select_section): Return a section.
2149         (machopic_select_rtx_section): Likewise.
2150         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
2151         (const_section, const_coal_section, const_data_section): Delete.
2152         (const_data_coal_section, data_coal_section, cstring_section): Delete.
2153         (literal4_section, literal8_section, constructor_section): Delete.
2154         (mod_init_section, mod_term_section, destructor_section): Delete.
2155         (objc_class_section, objc_meta_class_section, objc_category_section)
2156         (objc_class_vars_section, objc_instance_vars_section): Delete.
2157         (objc_cls_meth_section, objc_inst_meth_section): Delete.
2158         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
2159         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
2160         (objc_symbols_section, objc_module_info_section): Delete.
2161         (objc_image_info_section, objc_protocol_section): Delete.
2162         (objc_string_object_section, objc_constant_string_object_section)
2163         (objc_class_names_section, objc_meth_var_names_section): Delete.
2164         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
2165         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
2166         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
2167         (darwin_exception_section, darwin_eh_frame_section): Delete.
2168         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
2169
2170         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
2171         (frv_asm_out_destructor): Likewise.
2172         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2173         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
2174         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
2175         get_named_section.
2176         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
2177         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
2178         (data_section): Delete.
2179
2180         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2181         (DRECTVE_SECTION_FUNCTION): Delete.
2182         (drectve_section): Redefine as a macro that sets in_section after
2183         emitting the directive.
2184         (SWITCH_TO_SECTION_FUNCTION): Delete.
2185         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
2186         in_text_section with comparison between in_section and text_section.
2187         * config/i386/i386.c (x86_64_elf_select_section): Return the section
2188         rather than emitting assembly code.  Use get_named_section.
2189         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
2190         get_named_section.
2191         (machopic_output_stub): Use switch_to_section.
2192         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
2193         (nwld_named_section_asm_out_destructor): Use get_section and
2194         switch_to_section.
2195
2196         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
2197         rather than emitting assembly code.
2198         (ia64_rwreloc_select_section): Likewise.
2199         (ia64_rwreloc_select_rtx_section): Likewise.
2200         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
2201         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
2202         switch_to_section.
2203         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2204         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
2205
2206         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
2207         section rather than emitting assembly code.
2208         (iq2000_select_section): Likewise.
2209         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
2210         (sbss_section): Delete.
2211
2212         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
2213         and get_named_section.
2214         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
2215
2216         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
2217         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
2218         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
2219         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
2220         in_section to NULL.
2221         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2222         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2223         global switch_to_section function instead of the old port-local one.
2224         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2225         (SWITCH_SECTION_FUNCTION): Delete.
2226         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
2227         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
2228         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
2229         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
2230         in_section to NULL.
2231         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2232         global switch_to_section function instead of the old port-local one.
2233         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2234
2235         * config/mips/mips.c (mips_file_start): Update comment.
2236         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
2237         (mips_output_aligned_decl_common): Use switch_to_section.
2238         (mips_select_rtx_section): Return the section rather than emitting
2239         assembly code.  Use get_named_section.
2240         (mips_function_rodata_section: Likewise get_section.
2241         (build_mips16_function_stub): Use switch_to_section.
2242         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
2243         (SDATA_SECTION_ASM_OP): Delete.
2244         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
2245         (EXTRA_SECTION_FUNCTIONS): Delete.
2246
2247         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
2248         (mmix_asm_output_aligned_local): Use switch_to_section.
2249
2250         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
2251         (som_one_only_readonly_data_section): New variables.
2252         (pa_output_function_epilogue): Set in_section to NULL instead of
2253         calling forget_section.
2254         (output_deferred_plabels): Use select_section.
2255         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
2256         of calling forget_section.
2257         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
2258         (pa_asm_output_aligned_local): Use select_section.
2259         (som_text_section_asm_op): Delete in favor of...
2260         (som_output_text_section_asm_op): ...this new function.
2261         (pa_som_asm_init_sections): New function.
2262         (pa_select_section): Return the section rather than emitting
2263         assembly code.
2264         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2265         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
2266         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
2267         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
2268         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
2269         (som_readonly_data_section, som_one_only_readonly_data_section)
2270         (som_one_only_data_section, forget_section): Delete.
2271         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
2272         (TARGET_ASM_INIT_SECTIONS): Define.
2273         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
2274
2275         * config/rs6000/rs6000.c (read_only_data_section): New variable.
2276         (private_data_section, read_only_private_data_section): New variables.
2277         (sdata2_section, toc_section): New variables.
2278         (rs6000_file_start): Use switch_to_section.
2279         (rs6000_assemble_integer): Use comparisons against in_section
2280         instead of calling in_toc_section and in_text_section.  Use
2281         unlikely_text_section_p.
2282         (rs6000_elf_output_toc_section_asm_op): New function, derived
2283         from the old rs6000/sysv4.h toc_section function.
2284         (rs6000_elf_asm_init_sections): New function.
2285         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
2286         the section rather than emitting assembly code.
2287         (machopic_output_stub): Use switch_to_section.
2288         (toc_section): Delete dummy function.
2289         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
2290         switch_to_section and get_section.
2291         (rs6000_xcoff_output_readonly_section_asm_op): New function.
2292         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
2293         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
2294         the old rs6000/xcoff.h toc_section function.
2295         (rs6000_xcoff_asm_init_sections): New function.
2296         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
2297         the section rather than emitting assembly code.
2298         (rs6000_xcoff_file_start): Use switch_to_section.
2299         (rs6000_xcoff_file_end): Likewise.
2300         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
2301         (sdata2_section, sbss_section, private_data_section): Delete.
2302         (read_only_data_section, read_only_private_data_section): Delete.
2303         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2304         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
2305         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
2306         (FINI_SECTION_FUNCTION): Delete.
2307         (TARGET_ASM_INIT_SECTIONS): Define.
2308         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2309         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2310         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
2311         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
2312         (READONLY_DATA_SECTION): Delete.
2313         (TARGET_ASM_INIT_SECTIONS): Define.
2314         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
2315         to NULL rather than no_section.
2316         (TARGET_ASM_EXCEPTION_SECTION): Delete.
2317
2318         * config/sh/sh.c (sh_file_start): Use switch_to_section.
2319
2320         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
2321         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
2322         from call to current_function_section.
2323
2324         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
2325         (bss100_section): New variable.
2326         (xstormy16_asm_output_aligned_common): Use switch_to_section.
2327         (xstormy16_asm_init_sections): New function.
2328         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
2329         switch_to_section and get_section.
2330         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
2331         from calls to current_function_section.
2332         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
2333         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
2334         (TARGET_ASM_INIT_SECTIONS): Define.
2335         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
2336
2337         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2338         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
2339         (FINI_SECTION_FUNCTION): Delete.
2340
2341         * config/v850/v850.c: Include gt-v850.h.
2342         (rosdata_section, rozdata_section, tdata_section, zdata_section)
2343         (zbss_section): New variables.
2344         (v850_output_aligned_bss): Use switch_to_section.
2345         (v850_asm_init_sections): New function.
2346         (v850_select_section): Return the section rather than emitting
2347         assembly code.
2348         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2349         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
2350         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
2351         (TARGET_ASM_INIT_SECTIONS): Define.
2352         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
2353         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
2354         (zbss_section): Delete.
2355
2356         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2357
2358         * config/vx-common.h (vxworks_exception_section): Delete.
2359         (TARGET_ASM_EXCEPTION_SECTION): Delete.
2360
2361         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
2362         section rather than emitting assembly code.
2363         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
2364         switch_to_section.
2365
2366         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
2367         * coretypes.h (section): New union and typedef.
2368         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
2369         from call to current_function_section.
2370         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
2371         (dbxout_symbol_location): Use switch_to_section.
2372         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
2373         most of the code into...
2374         (default_eh_frame_section): ...here.  Return a section.
2375         (collect2_eh_frame_section): Delete, moving most of the code into..
2376         (switch_to_eh_frame_section): ...this new function.
2377         (debug_info_section, debug_abbrev_section, debug_aranges_section)
2378         (debug_macinfo_section, debug_line_section, debug_loc_section)
2379         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
2380         variables.
2381         (output_call_frame_info): Call switch_to_eh_frame_section instead of
2382         eh_frame_section.  Use switch_to_section and get_section.
2383         (dwarf2out_begin_prologue): Use switch_to_section.
2384         (AT_string_form): Check the flags in debug_str_section instead of
2385         DEBUG_STR_SECTION_FLAGS.
2386         (output_comp_unit): Use switch_to_section, get_section, and
2387         debug_info_section.
2388         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
2389         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
2390         from call to current_function_section.
2391         (dwarf2out_var_location): Use unlikely_text_section_p.
2392         (dwarf2out_source_line): Use switch_to_section.  Remove argument
2393         from call to current_function_section.
2394         (dwarf2out_start_source_file, dwarf2out_end_source_file)
2395         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
2396         debug_macinfo_section.
2397         (dwarf2out_init): Initialize the new section variables.  Use them
2398         instead of calls to named_section_flags.  Use switch_to_section.
2399         (output_indirect_string): Use switch_to_section and debug_str_section.
2400         (dwarf2out_finish): Use switch_to_section and the new section
2401         variables.
2402         * except.c (default_exception_section): Return the section instead
2403         of emitting assembly code.
2404         (output_function_exception_table): Use the global exception_section
2405         variable instead of the target hook.  Use switch_to_section.  Remove
2406         argument from call to current_function_section.
2407         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
2408         (shorten_branches): Use pointer comparisons to detect whether the
2409         text section is the same as readonly_data_section.
2410         (profile_function): Use switch_to_section.  Remove argument from
2411         call to current_function_section.
2412         (final_scan_insn): Likewise.  Update use of last_text_section.
2413         * gengtype.c (open_base_files): Add an include of output.h.
2414         * output.h (text_section, data_section, readonly_data_section)
2415         (ctors_section, dtors_section, bss_section, init_section)
2416         (fini_section, sdata_section): Turn into section pointers.
2417         (in_text_section, in_unlikely_text_section, exports_section)
2418         (drectve_section, named_section, mergeable_string_section)
2419         (last_text_section_name): Delete.
2420         (default_exception_section, default_eh_frame_section): Return sections.
2421         (SECTION_DECLARED, SECTION_NAMED): New macros.
2422         (SECTION_MACH_DEP): Bump value.
2423         (section_common, named_section, unnamed_section): New structures.
2424         (unnamed_section_callback): New typedef.
2425         (section): New union.
2426         (sbss_section, exception_section, eh_frame_section): New variables.
2427         (in_section, last_text_section): Turn into section pointers.
2428         (get_unnamed_section, get_section, get_named_section): New functions.
2429         (mergeable_constant_section, function_section): Return a section.
2430         (unlikely_text_section): Likewise.
2431         (current_function_section): Likewise.  Remove the decl argument.
2432         (unlikely_text_section_p, switch_to_section): New functions.
2433         (output_section_asm_op): New function.
2434         (set_named_section_flags, named_section_flags, named_section_real)
2435         (named_section_first_declaration): Delete.
2436         (default_select_section, default_elf_select_section): Return a section.
2437         (default_elf_select_section_1, default_function_rodata_section)
2438         (default_no_function_rodata_section, default_select_rtx_section)
2439         (default_elf_select_rtx_section): Likewise.
2440         * rtl.h (in_data_section): Delete.
2441         * sdbout.c (sdbout_one_type): Use switch_to_section.
2442         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
2443         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
2444         (TARGET_ASM_EH_FRAME_SECTION): Poison.
2445         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
2446         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
2447         (TARGET_ASM_OUT): Update after above changes.
2448         * target.h (init_sections): New hook.
2449         (exception_section, eh_frame_section): Delete.
2450         (select_section, select_rtx_section, function_rodata_section): Return
2451         a section rather than emitting assembly code.
2452         * varasm.c (text_section, data_section, readonly_data_section)
2453         (ctors_section, dtors_section, bss_section, init_section)
2454         (fini_section): Turn into section pointers.
2455         (sdata_section, sbss_section, exception_section): New variables.
2456         (eh_frame_section): New variable.
2457         (in_section): Make global and turn into a section pointer.
2458         (last_text_section): Turn into a section pointer.
2459         (unnamed_sections): New variable.
2460         (in_named_name, last_text_section_name): Delete.
2461         (EXTRA_SECTION_FUNCTIONS): Delete.
2462         (in_named_entry): Delete.
2463         (section_htab): New variable, replacing...
2464         (in_named_htab): ...this deleted variable.
2465         (section_entry_eq, section_entry_hash): New functions, based on...
2466         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2467         (get_unnamed_section, get_section): New functions.
2468         (unlikely_text_section): Return a section instead of emitting
2469         assembly code.
2470         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
2471         (get_named_section_flags, named_section_first_declaration): Delete.
2472         (unlikely_text_section_p): New function.
2473         (named_section_real, named_section): Delete.
2474         (get_named_section): New function.
2475         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2476         (function_section): Return a section rather than emitting
2477         assembly code.
2478         (current_function_section): Likewise.  Remove argument.  Use
2479         last_text_section if nonnull, otherwise use function_section.
2480         (default_function_rodata_section): Return a section rather than
2481         emitting assembly code.  Use get_section.
2482         (default_no_function_rodata_section): Return a section rather than
2483         emitting assembly code.
2484         (variable_section): Use switch_to_section and get_named_section.
2485         (mergeable_string_section): Return a section rather than emitting
2486         assembly code.  Use get_section.  Make static.  Don't take special
2487         countermeasures for empty strings.
2488         (mergeable_constant_section): Return a section rather than emitting
2489         assembly code.  Use get_section.
2490         (default_named_section_asm_out_destructor): Use switch_to_section
2491         and get_section.
2492         (default_dtor_section_asm_out_destructor): Use switch_to_section.
2493         (default_named_section_asm_out_constructor): Use switch_to_section
2494         and get_section.
2495         (default_ctor_section_asm_out_constructor): Use switch_to_section.
2496         (assemble_start_function): Likewise.  Set last_text_section to
2497         NULL rather than no_section.  Change the type of save_section.
2498         (assemble_zeros, assemble_variable): Use the section flags to detect
2499         whether or not a section is text.
2500         (assemble_static_space): Use switch_to_section.
2501         (assemble_trampoline_template): Likewise.
2502         (output_constant_def_contents): Use switch_to_section and
2503         get_named_section.
2504         (output_constant_pool_1): Use switch_to_section.  Use the section
2505         flags to see whether sections contain mergeable data.
2506         (init_varasm_once): Initialize section_htab instead of in_named_htab.
2507         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
2508         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2509         whether a section has already been declared.
2510         (default_select_section, default_elf_select_section): Return a
2511         section rather than emitting assembly code.
2512         (default_elf_select_section_1): Likewise.  Use bss_section for
2513         SECCAT_BSS if nonnull.  Use get_named_section.
2514         (default_select_rtx_section): Return a section rather than
2515         emitting assembly code.
2516         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
2517         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2518         (output_section_asm_op, switch_to_section): New functions.
2519         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2520         get_named_section.
2521
2522         * doc/tm.texi: Expand the introduction to the sections documentation.
2523         (TRAMPOLINE_SECTION): Document new interface.
2524         (SDATA_SECTION_ASM_OP): Document new macro.
2525         (READONLY_DATA_SECTION): Delete.
2526         (SDATA_SECTION_ASM_OP): Document new macro.
2527         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2528         (TARGET_ASM_INIT_SECTIONS): Document new hook.
2529         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2530         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2531         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2532
2533 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
2534
2535         * gcc.c (init_gcc_specs): Match braces inside conditionally
2536         compiled strings.
2537
2538 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
2539
2540         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2541
2542 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
2543
2544         PR C++/24138
2545         * tree.c (integer_all_onesp): Always return true if all bits on.
2546
2547         * testsuite/g++.dg/init/array0.C: New.
2548
2549 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
2550
2551         * doc/md.texi: Adapt to implementation.
2552
2553 2005-12-06  Andreas Schwab  <schwab@suse.de>
2554
2555         * opts.c (decode_options): Fix typo in message.
2556
2557 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
2558
2559         PR other/13873
2560         * longlong.h: Merge PPC tests from upstream.
2561
2562 2005-12-06  Richard Guenther  <rguenther@suse.de>
2563
2564         * fold-const.c (fold_convert): Do not build and fold
2565         CONVERT_EXPR, but always use NOP_EXPR.
2566
2567 2005-12-06  Jan Beulich  <jbeulich@novell.com>
2568
2569         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2570         __builtin_ia32_paddq and __builtin_ia32_psubq.
2571         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2572         __builtin_ia32_pshufw.
2573         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2574
2575 2005-12-05  James E Wilson  <wilson@specifix.com>
2576
2577         PR target/24934
2578         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2579         is set.
2580
2581 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
2582         
2583         * print-tree.c (print_node): Ditto.
2584         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2585         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2586         before accessing DECL_ARTIFICIAL. 
2587         Handle new tag tree codes.
2588         * tree-flow-inline.h (clear_call_clobbered): Update for tag
2589         changes.
2590         (unmodifiable_var_p): Ditto.
2591         * tree-flow.h (mem_tag_kind): Remove.
2592         (struct var_ann_d): Remove mem_tag_kind member.
2593         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2594         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2595         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2596         (group_aliases): Ditto.
2597         (setup_pointers_and_addressables): Ditto.
2598         (is_escape_site): Ditto.                                          
2599         (may_alias_p): Ditto.
2600         (create_tag_raw): New function.
2601         (create_memory_tag): Use it.
2602         (dump_alias_info): Update for tags.
2603         (may_be_aliased): Ditto.
2604         (add_type_alias): Ditto.
2605         (new_type_alias): Ditto.
2606         (create_sft): Ditto.
2607         (create_structure_vars): Ditto.
2608         * tree-ssa-ccp.c (get_default_value): Ditto.
2609         * tree-ssa-operands.c (get_expr_operands): Ditto.
2610         (add_stmt_operand): Ditto.
2611         (add_call_clobber_ops): Remove duplicated condition.
2612         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2613         tags.
2614         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2615         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2616         * tree.c (init_ttree): Update structures for new tree codes.
2617         (tree_code_size): Update sizes for new tree codes.
2618         (make_node_stat): Don't try to set common things on minimal
2619         structures.
2620         (tree_node_structure): Update for tags.
2621         (is_global_var): Ditto.
2622         * tree.def: Add new tree codes.
2623         * tree.h (MTAG_P): New macro.
2624         (TREE_MEMORY_TAG_CHECK): Ditto.
2625         (SSA_VAR_P): Update for tags.
2626         (struct tree_memory_tag): New structure.
2627         (MTAG_GLOBAL): New macro.
2628         (union tree_node): Add memory tag member.
2629         * treestruct.def (TS_MEMORY_TAG): New.
2630         
2631 2005-12-05  Dale Johannesen  <dalej@apple.com>
2632
2633         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
2634         what was approved (PR 24323).
2635
2636 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2637
2638         * doc/c-tree.texi (Function Bodies): Remove description of
2639         RETURN_INIT.
2640
2641 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
2642
2643         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2644         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2645         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2646         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2647         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2648         __divxc3): Document.
2649
2650 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
2651
2652         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2653         previous behaviour.
2654         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2655         hook_bool_void_false.
2656         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2657         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2658
2659         * config/darwin.c (machopic_select_section): It's not defined
2660         as weak if it's only marked as weak_import.
2661         
2662         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2663         Prototype.
2664
2665         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2666         A hidden weak object does bind locally.  Strong linkonce data
2667         counts like any other strong symbol for binding.
2668         (weak_finish_1): Don't specially handle weakrefs, they no longer
2669         arrive here.
2670         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2671         * c-common.c (handle_alias_attribute): Allow static aliases
2672         of variables.
2673         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2674         * gthr-dce.h: Make weakrefs static.
2675         * gthr-tpf.h: Likewise.
2676         * gthr-solaris.h: Likewise.
2677         * gthr-posix.h: Likewise.
2678         * gthr-posix95.h: Likewise.
2679         * config/darwin.c (darwin_encode_section_info): static weakref
2680         variables are not necessarily defined in this translation unit.
2681         * doc/extend.texi (Function Attributes): Mention that an alias
2682         attribute creates a definition for the thing it's attached to.
2683         Change the documentation for weakref to say that the thing
2684         it's attached to must be static.
2685
2686         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2687         we don't go into an infinite loop.
2688
2689 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
2690
2691         * config/rs6000/predicates.md (logical_const_operand): Split
2692         out of logical_operand.
2693         (logical_operand): Use it.
2694         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2695         logical_const_operand.
2696
2697 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2698
2699         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2700         and IX86_BUILTIN_CMPNESS.
2701         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2702         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2703         * config/i386/i386.md (movti_internal): Correct type attribute.
2704         Simplify mode attribute.
2705         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2706         Correct type attribute.
2707         (absxf2): Correct operator.
2708         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2709         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2710         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2711         mode attribute.
2712         (sse2_vmsqrtv2df2): Correct mode attribute.
2713
2714 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2715
2716         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2717         16 bits. Provide insn pattern for this case.
2718
2719 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2720
2721         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2722         result.
2723         (__popcountDI2): Likewise.
2724
2725 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2726
2727         PR target/25166
2728         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2729         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2730         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2731         functions.
2732
2733 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2734
2735         * c-typeck.c (null_pointer_constant_p): New function.
2736         (build_conditional_expr, build_c_cast, convert_for_assignment,
2737         build_binary_op): Use it.
2738
2739 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2740
2741         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2742         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2743         CONVERT_EXPR.
2744         (check_function_arguments_recurse): Allow both NOP_EXPR and
2745         CONVERT_EXPR but check conversions preserve precision.
2746         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2747         but check conversions preserve precision.
2748         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
2749         default case.
2750
2751 2005-12-04  Roger Sayle  <roger@eyesopen.com>
2752
2753         PR c/7776
2754         * common.opt (Wstring-literal-comparison): New command line option.
2755         * c-opts.c (c_common_handle_option): Set it with -Wall.
2756         * c-typeck.c (parser_build_binary_op): Issue warning if either
2757         operand of a comparison operator is a string literal, except for
2758         testing equality or inequality against NULL.
2759
2760         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2761
2762 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2763
2764         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2765         of building a NOP_EXPR.
2766         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
2767         NOP_EXPR.
2768         * c-convert.c (convert): Use fold_convert instead of building
2769         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
2770         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
2771         #if 0 code.
2772         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2773         NOP_EXPR the same as CONVERT_EXPR.
2774         * c-typeck.c (build_function_call): Use fold_convert instead of
2775         building a NOP_EXPR directly.
2776         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2777
2778 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2779
2780         PR rtl-optimization/25197
2781         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2782         have a reg.
2783
2784 2005-12-02  Stuart Hastings  <stuart@apple.com>
2785
2786         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2787         warning.
2788
2789 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2790
2791         * c-typeck.c (default_function_array_conversion,
2792         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2793         (build_conditional_expr): Apply integer_zerop to orig_op1 and
2794         orig_op2.  Don't check them for NOP_EXPR.
2795         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2796         around integer zero.
2797
2798 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2799
2800         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2801         toc_save_offset, toc_size, lr_size.
2802         (rs6000_stack_info): Use memset rather than bss struct copy to init.
2803         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2804         Adjust for removal of unused rs6000_stack_t fields.
2805         (debug_stack_info): Adjust.
2806         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
2807         first, and don't bother checking for set/inc of lr on sibcalls.
2808         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2809
2810 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
2811
2812         PR target/25199
2813         * config/i386/i386.md (movqi_1): Only force imovx for alternative
2814         5 if operand 1 is not aligned.  Undo previous constraint change.
2815         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2816
2817 2005-12-02  Richard Guenther  <rguenther@suse.de>
2818
2819         * tree.h (build): Remove prototype.
2820         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2821         * tree.c (build): Remove.
2822         (build0_stat): Update comment.
2823
2824 2005-12-02  Richard Guenther  <rguenther@suse.de>
2825
2826         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2827         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2828         Likewise.
2829         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2830         maybe_fold_offset_to_component_ref): Likewise.
2831         * tree-ssa-dom.c (thread_across_edge,
2832         simplify_rhs_and_lookup_avail_expr,
2833         find_equivalent_equality_comparison, record_equivalences_from_stmt):
2834         Likewise.
2835         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2836         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2837         lower_try_finally_switch): Likewise.
2838         * tree-if-conv.c (add_to_dst_predicate_list,
2839         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2840         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2841         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2842         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2843         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2844         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2845         gimplify_init_ctor_eval, gimplify_init_constructor,
2846         gimplify_variable_sized_compare, gimplify_boolean_expr,
2847         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2848         gimplify_expr, gimplify_body, gimplify_function_tree,
2849         force_gimple_operand): Likewise.
2850         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2851         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2852         mx_register_decls): Likewise.
2853         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2854         get_frame_field, finalize_nesting_tree_1): Likewise.
2855         * tree-inline.c (setup_one_parameter): Likewise.
2856         * tree-vect-transform.c (vectorizable_condition): Likewise.
2857         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2858         Likewise.
2859         * tree-profile.c (tree_gen_edge_profiler): Likewise.
2860         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2861         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2862         * tree-chrec.h (build_polynomial_chrec): Likewise.
2863
2864 2005-12-02  Richard Guenther  <rguenther@suse.de>
2865
2866         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2867         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2868         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2869         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2870         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2871         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2872         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2873         Likewise.
2874         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2875         sh_adjust_unroll_max): Likewise.
2876         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2877         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2878         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2879         Likewise.
2880         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2881         Likewise.
2882         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2883         Likewise.
2884
2885 2005-12-02  Richard Guenther  <rguenther@suse.de>
2886
2887         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2888         simplify_cond_using_ranges): Use buildN instead of build.
2889         * tree-tailcall.c (adjust_accumulator_values,
2890         adjust_return_value): Likewise.
2891         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2892         generate_element_copy, generate_element_zero,
2893         generate_one_element_init): Likewise.
2894         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2895         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2896         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2897         perfect_nestify): Likewise.
2898
2899 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2900
2901         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2902
2903 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2904
2905         * ggc.h (GGC_RESIZEVEC): New.
2906
2907 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2908
2909         * gcc.c (execute): Improve readability.
2910
2911 2005-12-02  Richard Guenther  <rguenther@suse.de>
2912
2913         * tree-cfg.c (mark_used_vars): New function.
2914         (dump_function_to_file): Dump only used VAR_DECLs.
2915
2916 2005-12-02  Richard Guenther  <rguenther@suse.de>
2917
2918         * convert.c (convert_to_integer): Fix compare for nonpositive
2919         constant to use tree_int_cst_sgn <= 0.
2920
2921 2005-12-02  Richard Guenther  <rguenther@suse.de>
2922
2923         * convert.c (convert_to_integer): Use fold_convert instead
2924         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
2925         instead of comparing against 0.  Use build_int_cst instead
2926         of converting integer_zero_node.
2927
2928 2005-12-02  Richard Guenther  <rguenther@suse.de>
2929
2930         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2931         and RROTATE_EXPR.
2932  
2933 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2934
2935         PR target/21017
2936         * combine.c (simplify_logical <IOR>): Simplify more patterns to
2937         rotates.
2938
2939 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2940
2941         PR middle-end/25176
2942         * function.c (expand_function_end): Emit blockage for unwinder
2943         after return label.
2944
2945 2005-12-01  Roger Sayle  <roger@eyesopen.com>
2946
2947         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2948         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2949         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2950         integer constant comparisons.
2951
2952 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
2953             Janis Johnson  <janis187@us.ibm.com>
2954             David Edelsohn  <dje@watson.ibm.com>
2955             Ben Elliston  <bje@au.ibm.com>
2956
2957         * dfp.h, dfp.c: New files.
2958         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2959         (DECNUM_H): Likewise.
2960         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2961         (INCLUDES): Append $(DECNUMINC).
2962         (OBJS-common): Add dfp.o.
2963         (dfp.o): New rule.
2964         * real.h (EXP_BITS): Pinch one bit to ..
2965         (struct real_value): Add decimal field.
2966         (real_format): Change table size, update documentation.
2967         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2968         (real_from_string3): Declare.
2969         (decimal_single_format): Declare.
2970         (decimal_double_format): Declare.
2971         (decimal_quad_format): Declare.
2972         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2973         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2974         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2975         * real.c: Include dfp.h.
2976         (normalize): Early return for decimal floats.
2977         (do_add): Zero decimal field.
2978         (do_compare): Call do_decimal_compare for decimal floats.
2979         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2980         (real_arithmetic): Call decimal_real_arithmetic for decimal
2981         floating point operands.
2982         (real_identical): If a and b are of differing radix, return false.
2983         (real_to_integer): Call decimal_real_to_integer if the value is a
2984         decimal float.
2985         (real_to_integer2): Likewise, call decimal_real_to_integer2.
2986         (real_to_decimal): Likewise, call decimal_real_to_decimal.
2987         (real_to_hexadecimal): Place "N/A" in the return string for
2988         decimal float.
2989         (real_from_string3): New variant, given a mode.
2990         (real_maxval): Use decimal_real_maxval for decimal floats.
2991         (round_for_format): Use decimal_round_for_format for decimals.
2992         (real_convert): Use decimal_real_convert where appropriate.
2993         (significand_size): Handle base 10.
2994         (encode_decimal_single, decode_decimal_single,
2995         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2996         decode_decimal_quad): New functions.
2997         (decimal_single_format): New.
2998         (decimal_double_format): New.
2999         (decimal_quad_format): New.
3000         * machmode.def: Add SD, DD and TD decimal floating point modes.
3001         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
3002         Include MODE_DECIMAL_FLOAT.
3003         (DECIMAL_FLOAT_MODE_P): New.
3004         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
3005         * genmodes.c (struct mode_data): Add counter field.
3006         (struct mode_data): Update comment for format.
3007         (blank_mode): Initialise counter field.
3008         (new_mode): Increment counter field for each mode defined.
3009         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
3010         using a format.
3011         (make_complex_modes): Handle modes containing `D'.
3012         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
3013         (make_decimal_float_mode): New.
3014         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
3015         (cmp_modes): Compare counter field if other characteristics
3016         similar.
3017         (emit_real_format_for_mode): Support formats for decimal floats.
3018         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
3019         Document MODE_DECIMAL_FLOAT.
3020
3021 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
3022
3023         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
3024         Delete dead code.
3025
3026 2005-12-01  Richard Henderson  <rth@redhat.com>
3027
3028         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
3029
3030 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3031
3032         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
3033
3034         * config/pa/pa.c (pa_init_builtins): If we detect
3035         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
3036         putc_unlocked.
3037
3038 2005-12-01  Richard Guenther  <rguenther@suse.de>
3039
3040         * fold-const.c (fold_binary): Use fold_build2, not
3041         fold (build (...)).
3042
3043 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
3044
3045         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
3046
3047         * vec.h (VEC_block_remove): New.
3048
3049 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3050
3051         PR c/13384
3052         * c-common.c (lvalue_error): Fix wording.
3053
3054 2005-12-01  Richard Guenther  <rguenther@suse.de>
3055
3056         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
3057         thinko in last patch.
3058
3059 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
3060
3061         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
3062         than -flat_namespace.
3063
3064 2005-12-01  Ben Elliston  <bje@au.ibm.com>
3065
3066         * mklibgcc.in: Parameterise the script to build soft float
3067         functions by iterating over each type, rather than cloning the
3068         code for each type.
3069
3070 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3071
3072         PR middle-end/25158
3073         * builtins.c (fold_builtin_fputs): Defer check for missing
3074         replacement functions.
3075
3076 2005-11-30  Kean Johnston  <jkj@sco.com>
3077
3078         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
3079         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
3080
3081 2005-11-30  Richard Guenther  <rguenther@suse.de>
3082
3083         PR tree-optimization/22501
3084         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
3085         function split out from ...
3086         (forward_propagate_addr_expr): ... here.  Use it to propagate
3087         ADDR_EXPRs to all uses.
3088
3089 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3090
3091         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
3092         * builtins.c (expand_builtin_mathfn): Use them.
3093         (expand_builtin_mathfn_2): Likewise.
3094         (expand_builtin_mathfn_3): Likewise.
3095         (expand_builtin_int_roundingfn): Likewise.
3096         (expand_builtin): Likewise.
3097         (integer_valued_real_p): Likewise.
3098         (fold_builtin_int_roundingfn): Likewise.
3099         (fold_builtin_bitop): Likewise.
3100         (fold_builtin_logarithm): Likewise.
3101         (fold_builtin_1): Likewise.
3102         * convert.c (convert_to_integer): Likewise.
3103         * fold-const.c (negate_mathfn_p): Likewise.
3104         (tree_expr_nonnegative_p): Likewise.
3105
3106 2005-11-30  Dale Johannesen  <dalej@apple.com>
3107             Andrew Pinski  <pinskia@physics.uc.edu>
3108
3109         * combine.c (find_split_point):  Sign extend bitmask
3110         when changing bitfield assignment to IOR of AND.
3111
3112 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
3113
3114         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
3115         clobber to scratch reg.
3116         (*decrement_and_branch_until_zero_no_clobber): Remove.
3117         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
3118         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
3119         * config/ms1/ms1.opt (mmul): Remove.
3120         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
3121         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
3122
3123 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3124             Bernd Schmidt  <bernd.schmidt@analog.com>
3125
3126         * pa/predicates.md (symbolic_operand): Add comment.
3127         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
3128         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
3129         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
3130         (pa_secondary_reload_class): Delete.
3131         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
3132         and pa_secondary_reload_class.  Reorder some checks.  Update inline
3133         copy of symbolic operand.
3134         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
3135
3136 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
3137
3138         * loop-doloop.c (add_test): Only add jump notes if we did emit a
3139         jump.
3140
3141 2005-11-30  Jeff Law  <law@redhat.com>
3142
3143         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
3144         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
3145
3146 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
3147
3148         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
3149         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
3150         (ia64_expand_move): Adjust caller.
3151
3152         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
3153         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
3154         negate VAL.
3155
3156 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
3157
3158         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
3159         Always produce an output if we can remove NEGs or canonicalize
3160         (minus (minus ...)) expressions.  Provide a fast path for the
3161         two-operand case.
3162         (simplify_gen_binary): Do not call simplify_plus_minus.
3163         (simplify_binary_operation_1): Reassociate at the end of the
3164         function.
3165
3166 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
3167
3168         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
3169         moves and unpack to speed up.
3170
3171 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
3172
3173         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
3174         argument, they are always sparc_compare_op0 and sparc_compare_op1.
3175         (gen_v9_scc): Update callers.
3176         * config/sparc/sparc.md: Likewise.
3177         * config/sparc/sparc-protos.h: Update extern declaration.
3178
3179         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
3180
3181 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
3182
3183         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
3184         the if.
3185
3186 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
3187
3188         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
3189         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
3190         (negate_expr): Here.
3191
3192 2005-11-29  Ben Elliston  <bje@au.ibm.com>
3193
3194         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
3195         Fix typo in comment.
3196
3197 2005-11-29  Ben Elliston  <bje@au.ibm.com>
3198
3199         * Makefile.in (clean-target): Depend on clean-target-libgcc.
3200         (clean-target-libgcc): Import rule from the top-level Makefile.in.
3201
3202 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3203
3204         PR middle-end/20109
3205         PR middle-end/25120
3206         * builtins.c (init_target_chars): New.
3207         (expand_builtin_printf, expand_builtin_fprintf,
3208         expand_builtin_sprintf, fold_builtin_sprintf,
3209         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3210         fold_builtin_snprintf_chk, fold_builtin_printf,
3211         fold_builtin_fprintf): Check for matching format strings using
3212         the target charset.
3213
3214 2005-11-29  Paul Brook  <paul@codesourcery.com>
3215
3216         * config.gcc: Do not use fixproto on m68k-elf.
3217
3218 2005-11-28  Roger Sayle  <roger@eyesopen.com>
3219
3220         * expmed.c (div_cost): Replace with...
3221         (sdiv_cost, udiv_cost): New.
3222         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
3223         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
3224         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
3225         (expand_divmod): Replace use of div_cost with either sdiv_cost
3226         or udiv_cost depending upon the signedness of the operation.
3227
3228 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
3229
3230         PR libfortran/24991
3231         * config/darwin.c (machopic_indirection_name,
3232         machopic_output_indirection): Follow transparent alias chain.
3233
3234 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
3235
3236         * varasm.c (ultimate_transparent_alias_target): Add comment.
3237
3238 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
3239
3240         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
3241         SET_SRC instead of XEXP where appropriate.
3242
3243 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
3244
3245         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
3246         __builtin_expect.
3247
3248 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
3249
3250         * config/fp-bit.h (LSHIFT): Take shift count parameter.
3251         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
3252         bit at a time.
3253
3254 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3255
3256         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
3257         secondary_input_reload_class, made static.  Adapt to new
3258         infrastructure.
3259         (secondary_output_reload_class): Delete.
3260         (TARGET_SECONDARY_RELOAD): New macro.
3261         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
3262         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
3263
3264 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
3265
3266         PR c++/21166
3267         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
3268         when its natural alignment is > BITS_PER_UNIT.
3269         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
3270         * c-common.c (handle_packed_attribute): Ignore packing on a field
3271         whose type is naturally char aligned.
3272
3273 2005-11-28  Richard Guenther  <rguenther@suse.de>
3274
3275         * c-common.c (strict_aliasing_warning): Handle all
3276         component-ref like accesses.
3277
3278 2005-11-28  Roger Sayle  <roger@eyesopen.com>
3279             Uros Bizjak  <uros@kss-loka.si>
3280
3281         PR middle-end/20219
3282         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
3283         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
3284         when flag_unsafe_math_optimizations is set and
3285         we don't care about NaNs or Infinities.
3286
3287         Move x/expN(y) and x/pow(y,z) transformation into common
3288         flag_unsafe_math_optimizations section.
3289
3290 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
3291
3292         * gcc.c (main): Change type of argv to "char **".
3293
3294 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
3295
3296         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
3297         small data sections.
3298         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
3299         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
3300         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
3301         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
3302         output locals to sbss if !rs6000_elf_in_small_data_p.
3303         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
3304
3305 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
3306
3307         PR target/24997
3308         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
3309         generated by reload.
3310         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
3311         indexed_or_indirect_address.
3312         (indexed_or_indirect_address): Don't test for base reg.  Call
3313         address_operand last.  Make it a special predicate.
3314
3315 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
3316
3317         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
3318
3319 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
3320
3321         PR middle-end/24575
3322         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
3323         is undefined.
3324         (negate_expr): Likewise.
3325
3326 2005-11-27  Andreas Schwab  <schwab@suse.de>
3327
3328         * config/m68k/m68k.c: Reindent and fix whitespace, remove
3329         redundant parens.
3330
3331 2005-11-27  Steven Bosscher  <stevenb@suse.de>
3332
3333         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
3334         has EH predecessor edges.
3335
3336 2005-11-26  Eric Christopher  <echristo@apple.com>
3337
3338         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
3339         register stalls by zero extending to the full register.
3340
3341 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
3342
3343         * config/floatunsisf.c, config/floatunsidf.c,
3344         config/floatunsixf.c, config/floatunsitf.c: New files.
3345         * config/ia64/t-hpux: Add floatunsitf.c.
3346         * config/ia64/ia64.c (ia64_init_libfuncs): Use
3347         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
3348
3349 2005-11-26  Richard Henderson  <rth@redhat.com>
3350
3351         * c-lex.c (pragma_lex): Rename from c_lex.
3352         * c-pch.c: Update for pragma_lex rename.
3353         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
3354         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
3355         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
3356         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
3357         * doc/tm.texi: Likewise.
3358
3359 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
3360
3361         PR middle-end/23669
3362         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
3363         when overflow is undefined.
3364
3365 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
3366
3367         * doc/md.texi (Insn Canonicalizations): Refer to the
3368         function commutative_operand_precedence for further rules.
3369
3370 2005-11-25  Roger Sayle  <roger@eyesopen.com>
3371
3372         PR middle-end/21309
3373         * expmed.c (choose_mult_variant): Return immediately when mult_cost
3374         is less than zero.  Limit mult_cost to a reasonable upper bound for
3375         the synthetic multiplication sequence.
3376
3377 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3378
3379         PR middle-end/25022
3380         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3381         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
3382         Lookup the explicit replacement functions for any unlocked
3383         stdio builtin transformations.
3384
3385 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
3386
3387         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
3388         earlyclobber.
3389         * targhooks.c (default_secondary_reload): Don't require operand 2
3390         for an input reload to be earlyclobber.
3391
3392 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3393
3394         * fold-const.c (negate_mathfn_p): Fix comment and add support
3395         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
3396         BUILT_IN_ATANH.
3397
3398 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
3399
3400         PR middle-end/24998
3401         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
3402         _Q_ulltoq for unsigned conversions from SImode and DImode to
3403         TFmode.
3404
3405 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
3406
3407         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
3408         (__floatundidf, __floatundisf): Likewise.
3409
3410 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
3411
3412         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
3413         (rs6000_override_options): Remove initialization of
3414         rs6000_sr_alias_set.
3415         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
3416         (rs6000_emit_stack_tie): Same.
3417         (emit_frame_save): Same.
3418         (gen_frame_mem_offset): Same.
3419         (rs6000_emit_prologue): Same.
3420         (rs6000_emit_epilogue): Same.
3421
3422 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
3423
3424         PR middle-end/24989
3425         * fold-const.c (fold_build): Convert bool_var != 1 and
3426         bool_var == 0 to !bool_var.
3427
3428 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
3429
3430         PR middle-end/24990
3431         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
3432         for C being INTEGER_CST.  Likewise for !=.
3433
3434 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
3435
3436         PR middle-end/24998
3437         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
3438         unsigned conversions from SImode to TFmode.
3439
3440 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3441
3442         * expr.c (expand_expr_real_1): Fix error in last change.
3443
3444 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3445
3446         * caller-save.c: (this_insn_sets): Move into:
3447         (save_call_clobbered_regs).
3448         (mark_set_regs): Get this_insn_sets from data.
3449
3450         (save_call_clobbered_regs): Take sets of the return value by
3451         sibcalls into account.
3452
3453 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3454         PR target/21623:
3455
3456         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3457         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3458         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3459         (memory_move_secondary_cost, init_reg_autoinc): Remove
3460         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3461         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3462         secondary_reload_class call.
3463         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
3464         callers.
3465         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3466         (push_secondary_reload): Use secondary_reload target hook.
3467         (secondary_reload_class, scratch_reload_class): New functions.
3468         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3469         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
3470         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3471         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3472         (secondary_reload_class, scratch_reload_class): Declare.
3473         * reload1.c: Include target.h.
3474         (reload_adjust_reg_for_temp): New function.
3475         (reload_adjust_reg_for_icode): Likewise.
3476         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3477         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3478         call.
3479         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
3480         for inheritance.  Support case when both secondary & tertiary reloads
3481         are for intermediate registers.
3482         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3483         with secondary_reload_class call.  Support case when both secondary
3484         & tertiary reloads are for intermediate registers.
3485         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3486         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3487         * target.h (secondary_reload_info): New struct / typedef.
3488         (struct gcc_target): New member secondary_reload.
3489         * targhooks.c Include reload.h, optabs.h and recog.h.
3490         (default_secondary_reload): New function.
3491         * targhooks.h (default_secondary_reload): Declare.
3492         * doc/tm.texi: Document secondary_reload target hook.  Update
3493         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3494         * doc/md.texi: Likewise.
3495
3496         * sh-protos.h (sh_secondary_reload): Declare.
3497         * sh.c (TARGET_SECONDARY_RELOAD): Override.
3498         (sh_secondary_reload): New function.
3499         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3500         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3501         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3502         (HAVE_SECONDARY_RELOADS): Define.
3503         * sh.md (reload_indf): Rename to:
3504         (reload_indf__frn).
3505         (reload_outdf): Rename to:
3506         (reload_outdf__RnFRm).
3507         (reload_insf): Rename to:
3508         (reload_insf__frn).
3509         (reload_insi): Rename to:
3510         (reload_insi__i_fpul).
3511
3512 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
3513
3514         * configure.ac: Require at least texinfo 4.4.
3515         * configure: Regenerate.
3516
3517         * doc/install.texi (Tools/packages necessary for building GCC):
3518         Update required version of texinfo to at least 4.4.
3519         (Installing GCC: Building): Update required version of texinfo
3520         to at least 4.4.
3521         (Installing GCC: Final installation): Update required version
3522         of texi2dvi to at least 4.4.
3523         (Host/target specific installation notes for GCC): Update required
3524         version of texinfo to at least 4.4.
3525
3526 2005-11-24  Richard Guenther  <rguenther@suse.de>
3527         Dirk Mueller <dmueller@suse.de>
3528
3529         PR c++/14024
3530         * c-common.h (strict_aliasing_warning): Declare.
3531         * c-common.c (strict_aliasing_warning): New function,
3532         split out from ...
3533         * c-typeck.c (build_c_cast): ... here.
3534
3535 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3536
3537         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3538         to order operands.
3539         (swap_commutative_operands_with_target): New.
3540
3541 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3542
3543         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3544         also when doing PRE, rather than only for global CPROP.
3545
3546 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3547
3548         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3549         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3550         formatting.
3551         (expand_twoval_unop): Likewise.
3552         (widen_clz): Likewise.
3553         (expand_parity): Likewise.
3554         (expand_unop): Likewise.
3555         (emit_cmp_and_jmp_insn_1): Likewise.
3556         (prepare_float_lib_cmp): Likewise.
3557
3558 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3559
3560         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3561         Remove unused `class' variable.
3562
3563 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3564
3565         PR c++/21667
3566         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
3567         C/C++ diagnostic function warn_array_subscript_with_type_char.
3568         * c-common.h (warn_array_subscript_with_type_char): Declare.
3569         * c-common.c (warn_array_subscript_with_type_char): Define.
3570
3571 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3572
3573         PR c/21668
3574         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3575         compiling at the intersection of C and C++.
3576
3577 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
3578
3579         * doc/invoke.texi: For man pages, include gcc-vers.texi.
3580         List @file in the option summary.  Include the libiberty
3581         documentation for @file.
3582         * gcc.c (main): Call expandargv.
3583         * Makefile.in (gcc-vers.texi): Define srcdir.
3584
3585 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
3586
3587         * passes.c (init_optimization_passes): Document
3588         sequencing of passes.
3589
3590 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
3591
3592         * config/m68k/predicates.md (pcrel_address, extend_operator,
3593         post_inc_operand, pre_dec_operand): Remove redundant
3594         conditionals.
3595         (const_uint32_operand, const_sint32_operand): Use gcc_assert
3596         instead of abort.
3597         (valid_dbcc_comparison_p): Rewrite in the lisp style.
3598
3599 2005-11-23  Ben Elliston  <bje@au.ibm.com>
3600
3601         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3602
3603 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
3604
3605         Preparatory work for PR target/21623:
3606         * alpha.c (secondary_reload_class): Rename to:
3607         (alpha_secondary_reload_class).
3608         * alpha.h, alpha-protos.h: Likewise.
3609         * mn10300.c (secondary_reload_class): Rename to:
3610         (mn10300_secondary_reload_class).
3611         * mn10300.h, mn10300-protos.h: Likewise.
3612         * pa.c (secondary_reload_class): Rename to:
3613         (pa_secondary_reload_class).
3614         * pa.h, pa-protos.h: Likewise.
3615         * rs6000.c (secondary_reload_class): Rename to:
3616         rs6000_secondary_reload_class.
3617         * rs6000.h, rs6000-protos.h: Likewise.
3618
3619 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
3620
3621         PR middle-end/22561
3622         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3623
3624 2005-11-22  Ian Lance Taylor  <ian@airs.com>
3625
3626         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3627         a mode_class.
3628         (prepare_cmp_insn): Likewise.
3629
3630 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
3631
3632         PR target/23435
3633         * m68k.md (zero_extendsidi2): Force operands[1] to a register
3634         if both operands[0] and operands[1] are memory.
3635
3636 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3637
3638         PR middle-end/23606
3639         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3640         COMPARISON_CLASS_P and an integral types create create a new
3641         expression with the new type and fold that.
3642
3643 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3644
3645         PR target/24988
3646         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3647         to SUBTARGET_OS_CPP_BUILTINS.
3648
3649 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
3650
3651         * arm.c (emit_set_insn): New function.
3652         (arm_split_constant): Call it.
3653         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3654         (arm_legitimize_address): Likewise.  Use plus_constant.
3655         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
3656         (thumb_expand_prologue): Likewise.
3657         (arm_gen_load_multiple): Use VOIDmode in SET.
3658         (arm_gen_store_multiple): Likewise.
3659         (vfp_emit_fstmx): Likewise.  Use plus_constant.
3660         (emit_multi_reg_push): Likewise.
3661         (emit_sfm): Use plus_constant.
3662
3663 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
3664
3665         PR target/24954
3666         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3667         typo last change.
3668
3669 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3670
3671         PR middle-end/24950
3672         * expmed.c (store_bit_field): Don't attempt to insv a field
3673         larger than the reg.
3674
3675 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3676
3677         PR target/24954
3678         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3679         explicit sign extension, not a (char) cast.
3680
3681 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3682
3683         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3684         GET_MODE_CLASS (x) == MODE_FLOAT.
3685         * config/i386/i386.c: Likewise.
3686         * config/rs6000/xcoff.h: Likewise.
3687         * config/rs6000/linux64.h: Likewise.
3688         * config/rs6000/rs6000.c: Likewise.
3689         * config/rs6000/rs6000.h: Likewise.
3690         * config/rs6000/predicates.md: Likewise.
3691         * config/rs6000/sysv4.h: Likewise.
3692
3693 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3694
3695         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3696         flag_pic is set.
3697
3698         * config/alpha/freebsd.h, config/alpha/linux.h,
3699         config/arm/linux-elf.h, config/bfin/bfin.h,
3700         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3701         config/i386/beos-elf.h, config/i386/gnu.h,
3702         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3703         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3704         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3705         config/rs6000/linux64.h, config/rs6000/sysv4.h,
3706         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3707         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3708         config/sparc/linux.h, config/sparc/linux64.h,
3709         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3710
3711         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3712         are both defined when either flag -fpic or -fPIC are used.
3713
3714 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3715
3716         * config/fp-bit.c (clzusi): New function.
3717         (si_to_float, usi_to_float): Use it to compute proper shift.
3718         (usi_to_float): Preserve guard bits when shifting right.
3719         * libgcc-std.ver (GCC_4.2.0): New version.
3720         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3721         __floatundisf): New functions.
3722         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3723         __floatundisf): Declare.
3724         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3725         _floatundixf, and _floatunditf.
3726         * optabs.c (expand_float): If target does not define a pattern for
3727         signed or unsigned conversion, use an unsigned libcall instead of
3728         a signed one.
3729         (init_optabs): Initialize ufloat_optab.
3730
3731 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3732
3733         * config/rs6000/rs6000.opt (mmulhw): New option.
3734         * doc/invoke.texi (-mmulhw): Document.
3735         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3736         for 405 and 440.
3737         * config/rs6000/rs6000.md: Add half-word multiply and
3738         multiply-accumulate instructions for 405 and 440.
3739
3740 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
3741
3742         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3743         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
3744         default now includes a linker group which makes the RTEMS one nest.
3745
3746 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3747
3748         * cse.c (fold_rtx): Typo fix.
3749         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3750
3751 2005-11-21  Richard Henderson  <rth@redhat.com>
3752
3753         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3754         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3755
3756         * c-tree.h (lookup_name): Move declaration ...
3757         * c-common.h (lookup_name): ... here.
3758         * config/darwin-c.c: Include c-common.h.
3759         * config/t-darwin: Update dependencies.
3760
3761 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3762
3763         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3764         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3765         * genopinit.c (gen_insn): Likewise.
3766         * reload.c (find_equiv_reg): Likewise.
3767         * loop.c (load_mems): Likewise.
3768         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3769         * cse.c (find_comparison_args, fold_rtx): Likewise.
3770         * dwarf2out.c (add_const_value_attribute): Likewise.
3771         * expr.c (convert_move): Likewise.
3772         * recog.c (general_operand, register_operand): Likewise.
3773         * reg-stack.c (replace_reg): Likewise.
3774         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3775         * c-common.c (handle_vector_size_attribute): Likewise.
3776         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3777         (simplify_binary_operation_1): Likewise.
3778         (simplify_const_binary_operation): Likewise.
3779         (simplify_relational_operation): Likewise.
3780         (simplify_const_relational_operation): Likewise.
3781         (simplify_immed_subreg): Likewise.
3782         * emit-rtl.c (gen_lowpart_common): Likewise.
3783         * expmed.c (expand_mult): Likewise.
3784         * stor-layout.c (layout_type): Likewise.
3785
3786 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
3787
3788         PR target/24951
3789         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3790         cst2 only for SPE vectors.
3791
3792 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
3793
3794         PR target/24953
3795         * config/rs6000/predicates.md (vrsave_operation): Check
3796         UNSPEC_VOLATILE value.
3797
3798 2005-11-21  Jan Hubicka  <jh@suse.cz>
3799
3800         PR tree-optimization/24653
3801         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3802
3803 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3804
3805         * config/i386/predicates.md (ax_reg_operand): New predicate.
3806         (memory_displacement_only_operand): New predicate.
3807         * config/i386/i386.md ("modrm" attribute): Return 0 if one
3808         operand is AX register and the other operand is memory operand
3809         with displacement only.
3810
3811 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3812
3813         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3814         if we don't care about NaNs or Infinities.
3815
3816 2005-11-20  Ian Lance Taylor  <ian@airs.com>
3817
3818         PR rtl-optimization/24883
3819         * combine.c (combinable_i3pat): When checking whether the
3820         destination of i3 is used in i3, consider paradoxical subregs.
3821
3822 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
3823
3824         PR middle-end/20583
3825         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3826
3827 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
3828
3829         * combine.c (try_combine): Do not run subst on i1src and i2src in
3830         the case of generating a PARALLEL for a comparison.
3831
3832 2005-11-20  Richard Henderson  <rth@redhat.com>
3833
3834         PR 24931
3835         * tree-sra.c (struct sra_elt): Add all_no_warning.
3836         (struct sra_walk_fns) <use>: Add use_all argument.
3837         (sra_walk_expr): Pass it.
3838         (sra_walk_modify_expr): Likewise.
3839         (scalarize_ldst): Likewise.
3840         (scan_use): Update for new argument.
3841         (mark_no_warning): New.
3842         (scalarize_use): Use it.
3843
3844 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3845
3846         * expr.c (expand_expr_real): Use usmul_optab for widening
3847         signed * unsigned multiplies.
3848         * genopinit.c (optabs): Add usmul_widen_optab.
3849         * optabs.c (init_optabs): Likewise.
3850         * optabs.h (enum optab_index): Add OTI_usmul_widen.
3851         (usmul_widen_optab): Define.
3852         * config/bfin/bfin.md (usmulhisi3): New pattern.
3853
3854         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3855
3856 2005-11-20  Graham Stott <btinternet.com>
3857
3858         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3859
3860 2005-11-20  Andreas Schwab  <schwab@suse.de>
3861
3862         PR target/24757
3863         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3864         insn.
3865
3866 2005-11-19  Richard Henderson  <rth@redhat.com>
3867
3868         PR tree-opt/24665
3869         * tree-gimple.c (is_gimple_id): Export.
3870         * tree-gimple.h (is_gimple_id): Declare.
3871         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3872         (get_default_value): Use it.
3873         (maybe_fold_stmt_indirect): Likewise.
3874
3875 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
3876
3877         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3878         than VR1 or vice-versa.
3879
3880 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
3881
3882         PR middle-end/24912
3883         PR middle-end/24750
3884         * reload.c (find_reloads_address_1): Mention dependency on
3885         gen_reload.
3886         * reload1.c (gen_reload): For IN with an unary operation, try
3887         moving inner expression to OUT if trivial SET is not valid.
3888         Confirm that the result is valid.  Move common code block into...
3889         (emit_insn_if_valid_for_reload): New function.
3890
3891 2005-11-19  Richard Guenther  <rguenther@suse.de>
3892
3893         * fold-const.c (fold_indirect_ref_1): Make sure we fold
3894         ARRAY_REFs of constant strings.
3895
3896 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
3897
3898         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3899         fatal format string.
3900
3901 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
3902
3903         * combine.c (make_compound_operation): Swap operands of
3904         commutative operation if necessary before returning.
3905
3906 2005-11-19  Richard Guenther  <rguenther@suse.de>
3907
3908         PR middle-end/23294
3909         * fold-const.c (fold_plusminus_mult_expr): New function.
3910         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3911         cases, remove now unnecessary code.
3912
3913 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
3914
3915         * gensupport.c (old_preds): Rename to std_preds, add special field.
3916         (struct old_pred_table): Rename to struct std_pred_table, add special
3917         field.
3918         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3919         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3920         (init_predicate_table): Adjust, and set along the way whether a
3921         predicate is special.
3922
3923 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
3924
3925         * BASE-VER: Change to 4.2.0.
3926
3927 2005-11-18  James E Wilson  <wilson@specifix.com>
3928
3929         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3930         returning it.
3931
3932 2005-11-18  Mike Stump  <mrs@apple.com>
3933
3934         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3935         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3936         * c-decl.c (lookup_name_two) Remove.
3937         * c-tree.h (lookup_name_two): Remove.
3938         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3939         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3940         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3941         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3942
3943 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
3944
3945         PR target/24914
3946         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3947         when not generating code to use that co-processor.
3948
3949 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
3950
3951         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3952         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3953         these functions are now in tree-phinodes.c.
3954
3955 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
3956
3957         * config/bfin/bfin.md (trap): New pattern.
3958
3959 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3960
3961         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3962         on types.
3963
3964         * expr.c (expand_expr_real): Don't call record_block_change unless
3965         ib_boundaries_block is non-null
3966
3967         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3968
3969         * fold-const.c (build_range_check): Use proper type for subtraction
3970         when merging lower bound.
3971
3972 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3973
3974         PR rtl-optimization/24497
3975         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3976         the copied insn.
3977
3978 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3979
3980         * tree-scalar-evolution.c (expression_expensive_p): New function.
3981         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3982
3983 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3984
3985         * config/bfin/crtlibid.s: New file.
3986
3987 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3988
3989         PR target/24348
3990         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3991         when not using sjlj exceptions.
3992         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3993         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3994         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3995         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3996         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3997         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3998         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3999         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
4000         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
4001         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
4002         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
4003         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
4004         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
4005         defines.
4006         * config/pa/hpux-unwind.h: New file.
4007
4008 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
4009
4010         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
4011         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
4012         * varasm.c (do_assemble_alias): Adjust call.
4013         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
4014         is defined.
4015         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
4016
4017 2005-11-17  James E Wilson  <wilson@specifix.com>
4018
4019         * tree.def (FUNCTION_DECL): Correct typo in comment.
4020
4021 2005-11-17  Richard Henderson  <rth@redhat.com>
4022
4023         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
4024         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
4025         and DW_CFA_def_cfa_sf.
4026         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
4027         (dbx_reg_number): Don't assert particular registers here.
4028         (based_loc_descr): ... do it here instead.  Fold in ...
4029         (eliminate_reg_to_offset): ... this function.
4030         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
4031         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
4032         * unwind-dw2.c (execute_cfa_program): Apply data align factor
4033         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
4034         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
4035         (instantiate_virtual_regs): Likewise.
4036         * var-tracking.c (adjust_stack_reference): Likewise.
4037         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
4038
4039 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
4040
4041         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
4042         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
4043         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
4044         crtlibid.o.
4045         ($(T)crtlibid.o): New rule.
4046
4047 2005-11-16  Richard Guenther  <rguenther@suse.de>
4048
4049         PR middle-end/24851
4050         * fold-const.c (extract_array_ref): Return byte offset
4051         in all cases.
4052         (fold_binary): Fold &x[a] CMP &x[b] to
4053         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
4054         behavior.
4055
4056 2005-11-16  Richard Henderson  <rth@redhat.com>
4057
4058         PR middle-end/23497
4059         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
4060         parts of an SSA_NAME.
4061
4062 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
4063
4064         PR target/24861
4065         * arm.md (split for movsf with immediate): Restrict split to insns
4066         that set a general register.
4067
4068 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
4069
4070         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
4071         uw_update_context.
4072         * unwind-dw2.c (uw_advance_context): Likewise.
4073         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
4074         _Unwind_SjLj_Unregister.
4075         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
4076
4077 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
4078
4079         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
4080
4081 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
4082
4083         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
4084         langhook to get a DImode integer type.
4085
4086 2005-11-16  Richard Henderson  <rth@redhat.com>
4087             J"orn Rennecke <joern.rennecke@st.com>
4088             Ulrich Weigand  <uweigand@de.ibm.com>
4089
4090         PR rtl-opt/24160
4091         PR target/24621
4092         * reload1.c (reg_equiv_invariant): New.
4093         (reload): Allocate, initialize, and free it.
4094         (calculate_needs_all_insns): Check it when skipping equivalence
4095         setting insns.
4096         (alter_reg): Likewise.
4097         (eliminate_regs_1): Rename from eliminate_regs.  Add new
4098         may_use_invariant argument; only use reg_equiv_invariant when true.
4099         (eliminate_regs): New.
4100         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
4101         a context for which may_use_invariant may be true.
4102
4103 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
4104
4105         * fold-const.c (const_binop): Don't constant fold the operation
4106         if the result has overflowed and flag_trapping_math.
4107         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
4108
4109 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
4110
4111         * config/arm/unwind-arm.c (abort): Add prototype here.
4112         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
4113         (struct phase1_vrs): Add prev_sp.
4114         (unwind_phase2_forced): Save the original core registers instead of
4115         modifying entry_vrs.  Take a new flag argument for resuming unwinding
4116         and set action flags accordingly.  Always set _US_END_OF_STACK when
4117         get_eit_entry fails.  Unwind before calling the stop function.
4118         (_Unwind_GetCFA): New function.
4119         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
4120         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
4121         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
4122         just call unwind_phase2_forced.
4123         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
4124         * config/arm/unwind-arm.h (abort): Remove prototype.
4125         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
4126         prototypes.
4127         (_Unwind_GetCFA): New prototype.
4128         * config/arm/pr-support.c (abort): Add prototype here.
4129         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
4130         forced unwinding.
4131         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
4132         not schedule the prologue with non-call exceptions and EABI.
4133
4134 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
4135
4136         * config/arm/unwind-arm.h: Reorder interface function declarations.
4137         (_URC_END_OF_STACK): New enumeration value.
4138         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
4139         (struct _Unwind_Control_Block): Document reserved field use.
4140         (_Unwind_Stop_Fn): New typedef.
4141         (_Unwind_ForcedUnwind): Declare.
4142         (_Unwind_Resume_or_Rethrow): Declare.
4143         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
4144         argument.  Adjust.
4145         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
4146         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
4147         (UCB_FORCED_STOP_ARG): New.
4148         (search_EIT_table): Update boundary condition checks.
4149         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
4150         (unwind_phase2): Replace for with do..while.
4151         (unwind_phase2_forced): New.
4152         (__gnu_Unwind_RaiseException): Replace for with do..while.
4153         (__gnu_Unwind_ForcedUnwind): New.
4154         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
4155         Use appropriate phase2 unwinder.
4156         (__gnu_Unwind_Resume_or_Rethrow): New.
4157         (__gnu_unwind_pr_common): Cope with forced unwinding.
4158
4159 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
4160
4161         PR target/24772
4162         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
4163
4164         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
4165         roundsf2): Remove "s" from mnemonic.
4166
4167 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
4168
4169         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
4170         __PIC__ is defined.
4171         * config/bfin/crtn.s: Change epilogues to match.
4172         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
4173         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
4174         __PIC__ and __pic__.
4175
4176 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4177
4178         PR 24357
4179         * doc/invoke.texi: Distinguish between free and fixed form instead of
4180         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
4181         languages.
4182         * gcc.c (default_compilers): Remove double entries, add entries for
4183         suffixes '.F90' and '.F95'.
4184
4185 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
4186
4187         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
4188         in the stack probing loop.
4189
4190 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
4191
4192         * configure.ac: Use .machine power5 not power5x.
4193         * configure: Regenerate.
4194
4195 2005-11-15  Mike Stump  <mrs@apple.com>
4196
4197         * c-decl.c (lookup_name_two): Add.
4198         * c-tree.h (lookup_name_two): Likewise.
4199         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
4200         * config/darwin-c.c (darwin_pragma_unused): Likewise.
4201
4202 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
4203
4204         PR rtl-optimization/23392
4205         * regrename.c (enum scan_actions) Add mark_access.
4206         (scan_actions_name): Ditto.
4207         (scan_rtx_reg): Handle mark_access.
4208         (scan_rtx_address): Do nothing for mark_access.
4209         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
4210         and regs in REG_INC notes before closing chains for dead regs.
4211         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
4212         opening chains for new writes.
4213
4214 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
4215
4216         * c.opt (ffixed-line-length-none): New.
4217
4218 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
4219
4220         * mklibgcc.in: Change contents of eh_dummy.c.
4221
4222 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
4223
4224         * loop.c (scan_loop): Do not insert temporaries for hard registers.
4225
4226 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
4227
4228         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
4229         of making syscalls.
4230         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
4231
4232 2005-11-15  Jan Hubicka  <jh@suse.cz>
4233
4234         * invoke.texi (large-unit-insns): Document.
4235         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
4236         * params.def (large-unit-insns): New param.
4237
4238 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
4239
4240         PR target/24869
4241         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
4242         special register for operand 3.  Reindent constraints to align
4243         them vertically.
4244
4245 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
4246
4247         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
4248         -mpopcntb, -mfprnd. Add -mcpu=power5+.
4249         * configure.ac: Add test for FP rounding instructions.
4250         * configure: Regenerate.
4251         * config.in: Regenerate.
4252         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4253         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
4254         features enabled.
4255         * config/rs6000/rs6000.opt (mfprnd): New.
4256         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
4257         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
4258         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
4259         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
4260         (TARGET_FPRND): New.
4261         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
4262         UNSPEC_FRIZ): New.
4263         (btrunc<mode>2): New.
4264         (ceil<mode>2): New.
4265         (floor<mode>2): New.
4266         (round<mode>2): New.
4267
4268 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
4269
4270         * gcc.c (version_compare_spec_function): Use fatal() rather than
4271         abort().
4272
4273         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
4274         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
4275         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
4276         as empty.
4277         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
4278         link in crt2.o.
4279
4280         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
4281         on -mmacosx-version-min setting.
4282
4283 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
4284
4285         PR 24840
4286         * tree-vrp.c (infer_value_range): Return false if STMT is a
4287         block terminator and its basic block has no successors.
4288
4289 2005-11-14  Mike Stump  <mrs@apple.com>
4290
4291         * config/i386/i386.c (override_options): -masm=intel isn't
4292         supported on darwin.
4293         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4294
4295 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
4296
4297         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
4298         vfork after including auto-host.h.
4299
4300 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
4301
4302         PR rtl-optimization/22002
4303         * combine.c (distribute_notes): Detect cases where a reg dies
4304         two or more times in a bb, including on the insn we are combining,
4305         and place the death note on the correct range.
4306
4307 2005-11-14  Dale Johannesen  <dalej@apple.com>
4308
4309         * expmed.c (store_bit_field):  Add offset unconditionally for
4310         memory targets.
4311         (extract_bit_field):  Don't force extzv or extv operand into
4312         a register if field is too big.
4313
4314 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
4315
4316         * config/arm/arm.c (pic_labelno): New.
4317         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
4318         LABEL_REF.  Pass only the labelno to PIC insns.
4319         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4320         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
4321         * arm.md (UNSPEC_PIC_LABEL): New constant.
4322         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
4323         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
4324         Use the correct label prefix.
4325
4326 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
4327
4328         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
4329         REQ_EQUIV note.
4330
4331 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
4332
4333         * loop-invariant.c: Include tm_p.h.
4334         * Makefile.in: Updated.
4335
4336 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4337
4338         * pa.c (store_reg): Revise generation of frame notes in large frames.
4339         (set_reg_plus_d): Likewise.
4340
4341 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
4342
4343         PR tree-optimization/24709
4344         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
4345         loop check.
4346
4347 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4348
4349         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
4350         and duplicate declaration of pthread_self.
4351
4352 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
4353             Ian Lance Taylor  <ian@airs.com>
4354
4355         PR middle-end/24003
4356         * calls.c (expand_call): If TARGET is a MEM and some part of the
4357         argument area has been saved, force TARGET to a register.
4358
4359 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
4360
4361         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
4362         checking.
4363
4364 2005-11-13  Jason Merrill  <jason@redhat.com>
4365
4366         PR c++/22489
4367         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
4368         lazily declared methods.
4369         (force_decl_die): Stop if forcing out the context already make a
4370         DIE for the decl.
4371         (force_type_die): Likewise.
4372
4373 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
4374
4375         PR middle-end/24820
4376         * builtins.c (integer_valued_real_p): Add break in
4377         REAL_CST having TREE_OVERFLOW set.
4378
4379 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
4380
4381         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
4382         addressing modes during calculation of costs.
4383
4384 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
4385
4386         * function.c (assign_stack_local_1): Restrict sanity check
4387         on frame size overflow to 32-bit and above platforms.
4388
4389 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4390
4391         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
4392         * config/cris/cris.c: Include reload.h.
4393         (cris_initial_elimination_offset): New function.
4394         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
4395         Prototype.
4396
4397 2005-11-12  Richard Guenther  <rguenther@suse.de>
4398
4399         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
4400
4401 2005-11-12  Jan Hubicka  <jh@suse.cz>
4402
4403         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
4404         to compare against 0 when possible.
4405
4406 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
4407
4408         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
4409         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4410         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
4411         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
4412         in the new order.
4413
4414 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4415
4416         * recog.c (constrain_operands) <case 'g'>: For a match, require
4417         that a non-register matches general_operand when strict >= 0.
4418
4419 2005-11-11  Steven Bosscher  <stevenb@suse.de>
4420
4421         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
4422         previous checkin.
4423
4424 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
4425
4426         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
4427         (memory_address_same): New.
4428         (dse_optimize_stmt): Call memory_address_same.
4429
4430 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4431
4432         PR middle-end/24750
4433         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
4434         ZERO_EXTEND>: New cases.
4435
4436 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
4437
4438         * longlong.h (__clz_tab): Always provide.
4439
4440 2005-11-11  Steven Bosscher  <stevenb@suse.de>
4441
4442         PR 24265
4443         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
4444         can be assigned to.
4445         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
4446         before check_maybe_invariant.
4447         (move_invariant_reg): Use gen_move_insn instead of replacing
4448         SET_DEST with the temporary for the invariant.
4449         (move_loop_invariants): If checking is enabled, do internal
4450         consistency checks after completing the pass.
4451
4452 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
4453
4454         PR 24644
4455         * common.opt (Wvolatile-register-var): New.
4456         * varasm.c (make_decl_rtl): Only emit warning when option
4457         specified.  Clarify warning message.
4458         * doc/invoke.texi (Wvolatile-register-var): Document new option.
4459
4460         * doc/md.texi (copysign): Document standard named pattern.
4461
4462 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
4463
4464         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
4465         bytes when align is 2.
4466         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
4467         by the first instruction of the loop.
4468
4469 2005-11-11  Jason Merrill  <jason@redhat.com>
4470
4471         PR c++/24686
4472         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
4473         the cleanup list.
4474
4475 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
4476
4477         PR rtl-optimization/22509
4478         * local-alloc.c (memref_used_between_p): Check whether a function call
4479         could not reference the memref.
4480
4481 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
4482
4483         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
4484         algorithm so as to choose the best, not the worst, alternative.
4485         Reset accumulated register class before processing next alternative.
4486
4487 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4488
4489         PR target/24445
4490         * calls.c (expand_call): Copy a return value to a plain register
4491         if needed.
4492
4493 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
4494
4495         PR target/24778
4496         * varasm.c (assemble_name): Recompute name only for transparent
4497         aliases.
4498
4499 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
4500
4501         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4502
4503 2005-11-04  Jeff Law  <law@redhat.com>
4504
4505         PR middle-end/23181
4506         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4507         perform reassociation if the parent statement will not die as
4508         a result of the optimization.
4509
4510 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
4511
4512         * tree-ssa-alias.c (compute_may_aliases): Remove call to
4513         delete_old_heap_vars.
4514         * tree-dfa.c (referenced_var_remove): Remove function.
4515         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4516         (delete_tree_ssa): Remove call to delete_old_heapvars.
4517         Add call to delete_alias_heapvars.
4518         * tree-flow.h (referenced_var_remove): Remove prototype
4519         (init_alias_heapvars): New prototype.
4520         (delete_alias_heapvars): Ditto.
4521         * Makefile.in (tree-ssa-structalias.o): Add
4522         gt-tree-ssa-structalias.o
4523         (GTFILES): Add tree-ssa-structalias.h and
4524         tree-ssa-structalias.c.
4525         (s-gtype): Add gt-tree-ssa-structalias.h.
4526         * tree-ssa-structalias.c (heapvars): Remove.
4527         (oldheapvars): Remove.
4528         (heapvar_for_stmt): New variable.
4529         (heapvar_lookup): New function.
4530         (heapvar_insert): Ditto.
4531         (get_constraint_for): See if we have an old heapvar
4532         to reuse.
4533         (init_alias_heapvars): New function.
4534         (delete_alias_heapvars): Ditto.
4535         Add include of gt-tree-ssa-structalias.h.
4536
4537 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4538
4539         PR middle-end/22127
4540         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4541
4542 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
4543
4544         * tree.c (int_fits_type_p): Only look at the base type
4545         if it has the same precision as the original type.
4546
4547 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
4548
4549         PR other/4372
4550         * varasm.c (assemble_alias): Use %q+D in the error
4551         message instead of %J and %qD.
4552
4553 2005-11-10  Richard Guenther  <rguenther@suse.de>
4554
4555         * gcse.c (free_ldst_entry): Only free hashtable if
4556         it exists.
4557
4558 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4559
4560         * function.c (assign_stack_local_1): Issue an error message if
4561         the frame size overflows in the signed target arithmetics.
4562
4563 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4564
4565         * tree.c (build_qualified_type): Chain the new type to the original
4566         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4567         a POINTER_TYPE or a REFERENCE_TYPE respectively.
4568         (build_pointer_type_for_mode): Only return unqualified types.
4569         (build_reference_type_for_mode): Likewise.
4570
4571 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
4572
4573         * Makefile.in (gnucompare): Do comparison of all files using one of
4574         the chosen methods and only afterwards decide if just warning should
4575         be issued or comparison failure raised.
4576
4577 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4578
4579         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4580         (noce_try_abs): Negate if the comparison is reversed.
4581         Look only one instruction backwards for a REG_EQUAL note.
4582
4583 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4584
4585         PR other/4372
4586         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4587         gthr-tpf.h: Define __gthrw.  For all identifiers that might
4588         be weak, introduce weakrefs or non-weak aliases with __gthrw,
4589         and prefix all uses with __ghtrw.
4590
4591 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4592
4593         PR other/4372
4594         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4595         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
4596         * c-common.c (handle_weakref_attribute): New.
4597         (c_common_attribute_table): Add weakref.
4598         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4599         in the assembler.
4600         * configure, config.in: Rebuilt.
4601         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4602         * doc/extend.texi: Document weakref attribute.
4603         * varasm.c (ultimate_transparent_alias_target): New
4604         (assemble_name): Use it.
4605         (weak_finish_1): Split out of...
4606         (weak_finish): ... and deal with weakrefs in...
4607         (weakref_targets): ... new list.
4608         (globalize_decl): Clean up weakref_targets.
4609         (do_assemble_alias): Handle weakrefs.
4610         (finish_aliases_1): Do not reject weakrefs to external symbols.
4611         (assemble_alias): Handle weakrefs.
4612
4613 2005-11-09  Richard Guenther  <rguenther@suse.de>
4614
4615         PR tree-optimization/24716
4616         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4617         t_bool to track results from follow_ssa_edge.
4618
4619 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4620
4621         * final.c (force_source_line): New global variable.
4622         (final_scan_insn): Set it to true instead of clearing last_filename.
4623         (notice_source_line): Return true if force_source_line is true,
4624         unless source info is absent.
4625
4626 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
4627
4628         PR c/24644
4629         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4630         a linkage name for a variable if it a register variable.
4631         * c-decl.c (grokdeclarator): Global register variables
4632         should be set as PUBLIC.
4633
4634 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4635
4636         PR 24624
4637         * config/s390/s390.c (struct s390_frame_layout): New fields
4638         first_save_gpr_slot and last_save_gpr_slot.
4639         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4640         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4641         first_save_gpr and last_save_gpr with the _slot variants.
4642         (s390_register_info): Calculate first_save_gpr_slot and
4643         last_save_gpr_slot using regs_ever_live.
4644
4645 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4646
4647         PR 24623
4648         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4649         for a function containing a landing pad.
4650
4651 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4652
4653         PR 24034
4654         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4655         is live afterwards.
4656
4657 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
4658
4659         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4660         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4661
4662 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
4663
4664         Add ms2 support
4665         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4666         constants.
4667         (call,load,store): New insn types.
4668         (mem_access, branch_access): Adjust reservation conditions.
4669         (define_delay): Adjust condition.
4670         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
4671         type.
4672         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4673         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4674         insn type.
4675         (call_internal, call_value_internal, return_internal,
4676         return_interrupt_internal, eh_return_internal, indirect_jump,
4677         tablejump): Set call insn type.
4678         (blockage, ei, di): Use appropriate unspec const.
4679         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4680         (ms1_get_attr_type): Adjust to give load & store types.
4681         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
4682         backwards past a barrier.
4683         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
4684         branch scheduling.
4685         (struct branch_info, struct label_info): New.
4686         (ms1_labels): New.
4687         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4688         (ms1_machine_reorg): New.
4689         (TARGET_MACHINE_DEPENDENT_REORG): Override.
4690         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4691         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4692         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4693         (TARGET_MS2): New.
4694
4695 2005-11-09  Per Bothner  <per@bothner.com>
4696             Uros Bizjak  <uros@kss-loka.si>
4697
4698         PR c/24101
4699         * toplev.c (process_options): Initialize debug_hooks early
4700         in case lang_hooks.post_options ends up calling a debug_hook.
4701
4702 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
4703
4704         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4705         DBX_REGISTER_NUMBER being contiguous.
4706
4707 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
4708             Diego Novillo  <dnovillo@redhat.com>
4709
4710         PR 23046
4711         * tree-vrp.c (register_edge_assert_for): Do not register
4712         always-false predicates.
4713
4714 2005-11-08  Devang Patel <dpatel@apple.com>
4715
4716         PR tree-optimization/23115
4717         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4718         relation.
4719
4720 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
4721
4722         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4723         -mcpu=440.
4724
4725 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
4726
4727         Fix PR tree-optimization/23382
4728
4729         * tree-ssa-alias.c (compute_may_aliases): Call
4730         delete_old_heap_vars.
4731         * tree-dfa.c (referenced_var_remove): New function.
4732         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4733         * tree-flow.h (referenced_var_remove): Add prototype.
4734         (delete_old_heap_vars): Ditto.
4735         * tree-ssa-structalias.c (heapvars): New variable.
4736         (oldheapvars): Ditto.
4737         (get_constraint_for): Put heap vars on heapvars list.
4738         (delete_old_heap_vars): New function.
4739
4740 2005-11-08  Jason Merrill  <jason@redhat.com>
4741
4742         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4743
4744 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
4745
4746         PR target/19340
4747         * reg-stack.c (reg_to_stack): Update register liveness also
4748         for flag_sched2_use_traces.
4749
4750 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
4751
4752         PR target/23704
4753         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4754         override prior explicit -mno-powerpc-gfxopt.
4755
4756 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
4757
4758         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4759         if the bitsize is zero.
4760         * doc/md.texi (Standard Pattern Names): Document it.
4761
4762         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4763         (TARGET_PASS_BY_REFERENCE): Likewise.
4764
4765 2005-11-07  Ian Lance Taylor  <ian@airs.com>
4766
4767         PR rtl-optimization/24683
4768         * config/i386/i386.c (legitimize_pic_address): If constant operand
4769         to PLUS is too large, put it in a register.
4770
4771 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
4772
4773         * configure.ac: Enable checking assembler dwarf2 support for bfin
4774         target.
4775         * configure: Regenerate.
4776
4777 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4778
4779         PR target/24230
4780
4781         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4782         gen_easy_vector_constant_add_self): Delete.
4783         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4784         New.
4785         (output_vec_const_move): Use gen_easy_altivec_constant.
4786         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4787         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4788         (easy_vector_constant_add_self): Rewritten.
4789         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4790         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4791         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4792         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4793         Macroize and adjust for the other changes.
4794
4795 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4796
4797         PR c/24599
4798
4799         * c-typeck.c (build_c_cast): Try using a shared constant, and see
4800         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4801
4802 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
4803
4804         PR rtl-optimization/23567
4805         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4806         (noce_process_if_block): Don't do any optimizations except
4807         if (cond) x = x; if !set_b and write into orig_x may trap
4808         or fault.  Remove the MEM_READONLY_P check.
4809
4810 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
4811
4812         PR 24670
4813         * tree-vrp.c (fix_equivalence_set): New.
4814         (extract_range_from_assert): Call it.
4815
4816 2005-11-05  Ian Lance Taylor  <ian@airs.com>
4817
4818         PR target/22432
4819         * combine.c (apply_distributive_law): Don't distribute across a
4820         vector mode subreg.
4821
4822 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
4823
4824         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4825         config/ms1/ms1.h, config/rs6000/predicates.md,
4826         config/s390/s390.c, params.def, postreload-gcse.c,
4827         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4828         tree-vrp.c, tree.c: Fix comment typos.
4829         * doc/invoke.texi: Fix typos.
4830
4831 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
4832
4833         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4834         for testing whether the data_dependence_relation contains distance
4835         vectors.  Iterate over all distance vectors of the ddr.
4836         * lambda.h: Define a vec of lambda_vector pointers.
4837         * tree-data-ref.c (dump_data_dependence_relation,
4838         dump_data_dependence_direction): Iterate over all distance and
4839         direction vectors of the ddr.
4840         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4841         DDR_DIST_VECTS.
4842         (build_classic_dist_vector, build_classic_dir_vector): Push a set
4843         of distance/direction vectors instead of a single one.
4844         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4845         lambda_vectors with a vec of lambda_vectors.
4846         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4847         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4848         DDR_NUM_DIST_VECTS): New.
4849         * tree-loop-linear.c (gather_interchange_stats): Test for the
4850         existence of distance vectors only after having checked that there
4851         is a dependence.  Iterate over all distance vectors of the ddr.
4852         (linear_transform_loops): Use dump_data_dependence_relation.
4853         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4854         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
4855         distance vectors of the ddr.
4856
4857 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4858
4859         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4860         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4861         IS_INTHANDLER; all callers changed.
4862         (n_regs_saved_by_prologue): Take interrupt handler attributes into
4863         account.
4864         (do_link, do_unlink): New argument ALL; all callers changed.
4865         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4866         If function isn't leaf, save and restore all registers.
4867         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4868         exception handler.
4869
4870 2005-11-05  Jan Hubicka  <jh@suse.cz>
4871
4872         PR rtl-optimization/23490
4873         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4874         max-flow-memory-location): Document.
4875         * flow.c: Include params.h
4876         (MAX_MEM_SET_LIST_LEN): Kill.
4877         (add_to_mem_set_list): Use new param.
4878         * cse.c (cse_basic_block): Replace 1000 by new param.
4879         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4880         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4881         * predict.c (predict_loops): Use new param.
4882         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4883
4884         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4885         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4886         Do not hold memory returned by cgraph_node_name across other call.
4887
4888 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
4889
4890         PR target/23424
4891         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4892         Disable.
4893
4894 2005-11-04  Jeff Law  <law@redhat.com>
4895
4896         PR/21883
4897         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4898         * tree-ssa-dom.c: Include params.h.
4899         (thread_across_edge): If there are too many statements in the
4900         target block, then do not thread through it.
4901         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4902         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4903
4904 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
4905
4906         PR 24627
4907         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4908         TODO_update_ssa instead of TODO_update_ssa_no_phi.
4909
4910 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
4911
4912         PR/18595
4913         * tree-scalar-evolution.c (instantiate_parameters_1,
4914         instantiate_parameters, resolve_mixers): Compute the size of an
4915         expression to be instantiated and give up the instantiation if the
4916         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4917
4918 2005-11-04  Richard Guenther  <rguenther@suse.de>
4919
4920         * tree-flow.h (ref_contains_indirect_ref): Rename to
4921         array_ref_contains_indirect_ref.
4922         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4923         (array_ref_contains_indirect_ref): Make comment match the code
4924         and vice-versa.
4925         (ref_contains_array_ref): Likewise.
4926         * tree-ssa-structalias.c (find_func_aliases): Remove call to
4927         ref_contains_indirect_ref.
4928         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4929         Rename calls to ref_contains_indirect_ref.
4930
4931 2005-11-04 Paul Brook  <paul@codesourcery.com>
4932
4933         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4934         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4935         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4936         * config/arm/arm.md: Use match_operand in peephole input templates
4937         and match_dup in peephole output templates.
4938
4939 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4940
4941         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4942         __aeabi_uidiv.
4943
4944 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
4945             Daniel Jacobowitz  <dan@codesourcery.com>
4946
4947         * longlong.h (add_ssaaaa): Clobber condition code register
4948         in ARM version.
4949         (sub_ddmmss): Likewise.
4950         (umul_ppmm): Likewise.
4951
4952 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4953             Paul Brook  <paul@codesourcery.com>
4954             Phil Blundell  <pb@reciva.com>
4955
4956         * configure.ac: Add test for ARM TLS support.
4957         * configure: Regenerated.
4958         * config/arm/arm-protos.h (legitimize_tls_address)
4959         (arm_tls_referenced_p, tls_mentioned_p)
4960         (arm_output_addr_const_extra): New prototypes.
4961         (thumb_legitimize_pic_address): Delete.
4962         * config/arm/arm.c: Include "gt-arm.h".
4963         (enum tls_reloc): New.
4964         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4965         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4966         (arm_call_tls_get_addr, legitimize_tls_address)
4967         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4968         (arm_init_tls_builtins, arm_emit_tls_decoration)
4969         (arm_output_addr_const_extra): New functions.
4970         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4971         (TARGET_HAVE_TLS): Define.
4972         (target_thread_pointer): New.
4973         (arm_override_options): Handle -mtp=.
4974         (legitimize_pic_address): Ignore UNSPECs.
4975         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4976         relative symbols.
4977         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4978         (tls_get_addr_libfunc): New variable.
4979         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4980         (arm_init_builtins): Call arm_init_tls_builtins.
4981         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4982         (arm_encode_section_info): Call default_encode_section_info.
4983         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4984         (enum arm_tp_type): New.
4985         (target_thread_pointer): Add declaration.
4986         (LEGITIMATE_CONSTANT_P): Handle TLS.
4987         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4988         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4989         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4990         * config/arm/arm.md: Add UNSPEC_TLS.
4991         (movsi): Handle TLS.
4992         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4993         non-PIC.
4994         (tls_load_dot_plus_eight): New insn and a peephole to create it.
4995         (load_tp_hard, load_tp_soft): New insns.
4996         * arm.opt: Add -mtp=.
4997         * doc/invoke.texi (ARM Options): Document -mtp.
4998
4999 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
5000
5001         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
5002         * config/arm/libunwind.S: Include "lib1funcs.asm".
5003         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
5004         (LIB2ADDEH): Add libunwind.S.
5005         (LIB2ADDEHDEP): Add lib1funcs.asm.
5006         * mklibgcc.in: Handle asm files in libgcc_eh.a.
5007
5008 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
5009
5010         PR fortran/18452
5011         * gcc/c.opt: Add a -lang-fortran option.
5012         * gcc/c-opts.c: Add a lang_fortran flag.
5013         (c_common_init_options): Handling the -lang-fortran option.
5014         (c_common_handle_option): Add a case for Fortran options in
5015         preprocessing. Remove cases for -ffixed-form and
5016         -ffixed-line-length. Add a case for -lang-fortran.
5017
5018 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
5019
5020         * config/rs6000/rs6000.c: Include params.h
5021         (optimization_options): Set max-grow-copy-bb-insns default to 16.
5022         (bdesc_2arg): Delete vpkuhss and vpkuwss.
5023         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
5024         (UNSPEC_VPKUWSS): Delete.
5025         (altivec_vpkuhss): Delete.
5026         (altivec_vpkuwss): Delete.
5027         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
5028         final condition.
5029         (neg_eq0<mode>): Remove final condition.
5030         (neg_eq<mode>): Remove condition and split-condition.
5031
5032 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
5033
5034         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
5035         Use associated print macros.
5036
5037 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
5038
5039         PR c++/17964
5040         * diagnostic.c (diagnostic_set_info_translated): New function.
5041         (diagnostic_set_info): Use it.  Add comment.
5042         * diagnostic.h (diagnostic_set_info_translated): Declare.
5043
5044 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
5045
5046         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
5047         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
5048         reference only if 'public' is true.
5049         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
5050         emit the .hidden directive only if the indirect reference is public.
5051         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
5052         Pass it to dw2_force_const_mem.
5053         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
5054         * dwarf2out.c (output_cfi): Adjust calls to above function.
5055         (output_call_frame_info): Likewise.
5056         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
5057         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
5058
5059 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
5060
5061         PR tree-optimization/24483
5062         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
5063         field to elts if possible.
5064
5065 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
5066
5067         PR middle-end/23155
5068         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
5069         CONSTRUCTOR.
5070
5071 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
5072
5073         Fix PR tree-optimization/24351
5074
5075         * tree-ssa-structalias.c (struct variable_info): Add
5076         collapsed_into.
5077         (get_varinfo_fc): New function to follow collapsing.
5078         (new_var_info): Set collapsed_to to NULL.
5079         (dump_constraint): Follow collapsing.
5080         (build_constraint_graph): Handle collapsing.
5081         (do_simple_structure_copy): Return false if something bad
5082         happened.
5083         (collapse_rest_of_var): New function.
5084         (do_structure_copy): Collapse if do_simple_structure_copy returns
5085         false.
5086
5087 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
5088
5089         PR middle-end/24589
5090         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
5091         expressions to a statement list instead of gimplifying them.
5092
5093 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
5094
5095         PR rtl-optimization/23585
5096         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
5097         that can't trap plus a constant integer, if the mode has zero size.
5098
5099 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
5100
5101         PR target/24620
5102         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
5103         as operand 2.
5104         ("*insv<mode>_reg_extimm"): Likewise.
5105
5106 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
5107
5108         PR c/24329
5109         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
5110         c_common_type_for_mode returns an unnamed type.
5111
5112 2005-11-02  Richard Henderson  <rth@redhat.com>
5113
5114         PR target/9350
5115         PR target/24374
5116         * dwarf2out.c (dwarf2out_reg_save_reg): New.
5117         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
5118         * function.c (assign_parms): Use calls.internal_arg_pointer.
5119         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
5120         code.
5121         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
5122         (TARGET_CALLS): Add it.
5123         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
5124         * targhooks.c (default_internal_arg_pointer): New.
5125         * targhooks.h (default_internal_arg_pointer): Declare.
5126         * tree.h (dwarf2out_reg_save_reg): Declare.
5127         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
5128         * config/i386/i386.c (dbx_register_map): Add return column.
5129         (dbx64_register_map, svr4_dbx_register_map): Likewise.
5130         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
5131         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
5132         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
5133         (ix86_save_reg): Save force_align_arg_pointer.
5134         (ix86_emit_save_regs): Make regno unsigned.
5135         (ix86_emit_save_regs_using_mov): Likewise.
5136         (ix86_expand_prologue): Handle force_align_arg_pointer.
5137         (ix86_expand_epilogue): Likewise.
5138         * config/i386/i386.h: (dbx_register_map): Update.
5139         (dbx64_register_map, svr4_dbx_register_map): Update.
5140         (struct machine_function): Add force_align_arg_pointer.
5141         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
5142         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
5143         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
5144
5145 2005-11-02  Jan Hubicka  <jh@suse.cz>
5146
5147         PR target/23303
5148         * i386.md: Add peep2 for simplyfing array accesses.
5149
5150 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
5151
5152         PR target/24615
5153         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
5154         * config/s390/s390.c (s390_decompose_shift_count): New function.
5155         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
5156         (print_shift_count_operand): Use s390_decompose_shift_count.
5157         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
5158         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
5159
5160 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
5161
5162         PR target/24600
5163         * loop.c (loop_givs_rescan): Use force_operand to expand
5164         complex GIVs.
5165
5166 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
5167
5168         PR 22429
5169         * fold-const.c (build_range_check): Use unsigned when signed
5170         overflow is undefined also.  If etype is subtype, make sure that
5171         the subtraction is in the supertype.
5172
5173 2005-11-02  Richard Henderson  <rth@redhat.com>
5174
5175         PR target/24178
5176         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
5177         by MEM_ALIGN.
5178
5179 2005-11-01  Richard Henderson  <rth@redhat.com>
5180
5181         PR 21518
5182         * loop.c (scan_loop): Do not propagate computations to a hard
5183         register destination with SMALL_REGISTER_CLASSES.
5184
5185 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
5186
5187         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
5188         costs for MULT inside PLUS or MINUS.
5189
5190 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
5191
5192         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
5193         (TRAMPOLINE_SIZE): Round up to 60.
5194         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
5195
5196 2005-10-31  James E. Wilson  <wilson@specifix.com>
5197
5198         PR debug/24444
5199         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
5200         ifdef.  Put ifdefs around call in gen_subprogram_die.
5201         (compute_frame_pointer_to_cfa_displacement): Likewise.
5202         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
5203         not defined.
5204
5205         PR rtl-optimization/17356
5206         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
5207         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
5208
5209 2005-10-31  Jan Hubicka  <jh@suse.cz>
5210
5211         PR middle-end/24093
5212         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
5213
5214         PR target/20928
5215         * i386.c (legitimize_pic_address): Deal with large immediates.
5216
5217         PR profile/20815
5218         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
5219         from symbol names while computing checkup.
5220
5221         PR profile/24487
5222         * predict.c (predict_loops): Do not estimate more than
5223         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
5224         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
5225
5226 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
5227
5228         PR tree-optimization/19097
5229         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
5230
5231 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
5232
5233         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
5234
5235 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
5236
5237         PR middle-end/23492
5238         * tree-inline.c (setup_one_parameter): If the init_stmt
5239         is NULL, don't insert the statement.
5240
5241 2005-10-30  Jan Hubicka  <jh@suse.cz>
5242
5243         PR tree-optimization/24172
5244         * tree-inline.c (copy_body_r): Unshare the substituted value first.
5245
5246 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
5247
5248         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
5249         constants for hosts with long != 32 bits.
5250
5251 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
5252
5253         PR middle-end/24093
5254         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
5255
5256 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
5257
5258         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
5259         (TARGET_MS1_16_002): New.
5260         (TARGET_MS1_16_003): New.
5261
5262         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
5263         ("*decrement_and_branch_until_zero_no_clobber"): New.
5264         Add corresponding splitter for decrement_and_branch_until_zero
5265         instruction.
5266         Key all decrement_and_branch_until_zero patterns off of
5267         TARGET_MS1_16_003.
5268
5269 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
5270
5271         PR middle-end/24362
5272         * tree-complex.c (extract_component): Treat RESULT_DECL
5273         like the rest of the decls.
5274
5275 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
5276
5277         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
5278         indirect call to _mcount if the function needs a static chain.
5279
5280 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
5281             Caroline Tice  <ctice@apple.com>
5282
5283         PR rtl-optimization/24460
5284         * dwarf2out.c (have_switched_text_sections): New boolean variable.
5285         (dwarf2out_switch_text_section): Set it to true instead of
5286         incrementing separate_line_info_table_in_use.
5287         (output_loc_list): Additionally test have_switched_text_sections.
5288         (output_ranges): Likewise.
5289         (dwarf2out_finish): Likewise.
5290         * varasm.c (assemble_start_function): Do not call
5291         insert_section_boundary_note.
5292         (assemble_end_function): If flag_reorder_blocks_and_partition,
5293         switch to the function's section before emitting the .size directive.
5294         * bb-reorder.c (insert_section_boundary_note): Staticify.
5295         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
5296         * output.h (insert_section_boundary_note): Delete.
5297
5298 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
5299
5300         PR c/23103
5301         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
5302         instead of pointer equality when comparing types.
5303
5304 2005-10-24  James E. Wilson  <wilson@specifix.com>
5305
5306         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
5307         add_dependence_list_and_free calls.
5308
5309 2005-10-24  Steven Bosscher  <stevenb@suse.de>
5310
5311         * contrib.texi: Add the names of the LLNL folks who donated
5312         Cray pointer support for gfortran.
5313
5314 2005-10-24  Steven Bosscher  <stevenb@suse.de>
5315
5316         PR tree-optimization/24225
5317         * profile.c (branch_prob): Look from end to start through a
5318         basic block when looking for a locus.
5319
5320 2005-10-24  Richard Henderson  <rth@redhat.com>
5321
5322         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
5323         parallel.
5324         (hppa_expand_prologue): Likewise.
5325
5326 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5327
5328         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
5329         (NO_DEFERRED_PROFILE_COUNTERS): Define.
5330         * pa.h (NO_PROFILE_COUNTERS): Define.
5331         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
5332         (funcdef_nos): New vector to hold label numbers of deferred profile
5333         counters.
5334         (output_deferred_profile_counters): New function.
5335         (hppa_profile_hook): Push label number onto funcdef_nos.
5336         (pa_hpux_file_end): Call output_deferred_profile_counters if
5337         NO_DEFERRED_PROFILE_COUNTERS is false.
5338
5339         * pa-protos.h (get_deferred_plabel): New prototype.
5340         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
5341         Make global.
5342         (output_call): Adjust calls.
5343
5344 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
5345
5346         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
5347         peculiarity of GOT/TOC section usage.
5348
5349 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
5350
5351         PR objc/24435
5352          * c-common.c (constant_string_class_name): Add documentation.
5353
5354 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
5355
5356         PR target/23832
5357         * recog.c (peephole2_optimize): Increment peep2_current_count
5358         only when the slot is empty.
5359
5360 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5361
5362         PR ada/23957
5363         * except.c (output_function_exception_table): Call
5364         assemble_external_libcall if we need a personality function.
5365
5366 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5367
5368         PR rtl-optimization/24460
5369         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
5370         set the basic block for barriers.
5371
5372 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
5373
5374         * var-tracking.c (vt_initialize): Initialize post.
5375
5376 2005-10-21  Devang Patel  <dpatel@apple.com>
5377
5378         PR/24220
5379         * c-common.c (vector_types_convertible_p): Check vector element type.
5380
5381 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
5382
5383         * config/sh/sh.c (prepare_move_operands): Handle the address
5384         constant which is a tls symbolic address plus a constant.
5385
5386 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
5387
5388         PR driver/24473
5389         * gcc.c (main): Use the correct counter for erroring out
5390         about mulitple files.
5391
5392 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
5393
5394         PR target/24465
5395         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
5396         use r2 for 64-bit tls .got access.
5397
5398 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
5399
5400         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
5401         TRUTH_OR_EXPR.
5402
5403 2005-10-20  Steven Bosscher  <stevenb@suse.de>
5404
5405         PR tree-optimization/24307
5406         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
5407
5408 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
5409
5410         PR middle-end/24295
5411         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
5412         alias targets.
5413         * varasm.c (find_decl_and_mark_needed): After cgraph global info
5414         is ready, stop marking functions, but still mark variables.
5415
5416 2005-10-20  Richard Guenther  <rguenther@suse.de>
5417
5418         PR c++/24439
5419         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
5420         void type operands.
5421
5422 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
5423
5424         PR rtl-optimization/23585
5425         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
5426         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
5427         (may_trap_p_1): New predicate extracted from...
5428         (may_trap_p): ... here.  Invoke may_trap_p_1.
5429         (may_trap_or_fault_p): New predicate.
5430         * rtl.h (may_trap_or_fault_p): Declare it.
5431         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
5432         instead of may_trap_p.
5433         (steal_delay_list_from_fallthrough): Likewise.
5434         (fill_simple_delay_slots): Likewise.
5435         (fill_slots_from_thread): Likewise.
5436         * function.c (pad_to_arg_alignment): Rework comment about
5437         SPARC_STACK_BOUNDARY_HACK.
5438         * config/sparc/sparc.h: Likewise.
5439
5440 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
5441
5442         * config/s390/s390.c (s390_expand_insv): New.
5443         * config/s390/s390-protos.h (s390_expand_insv): Declare.
5444         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
5445         ("icm_hi"): Remove mode attribute.
5446         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
5447         Adjust all uses.
5448         ("*extracthi", "*extractqi"): Remove.
5449         (extv<mode>", "*extzv<mode>"): New.
5450         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
5451         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
5452
5453 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5454
5455         * cfgexpand.c (discover_nonconstant_array_refs_r,
5456         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
5457         (tree_expand_cfg): Call discover_nonconstant_array_refs.
5458         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5459         discover_nonconstant_array_refs.
5460
5461 2005-10-19  Steven Bosscher  <stevenb@suse.de>
5462
5463         PR c/23228
5464         * c-decl.c (pop_scope): Don't warn about an unused variable
5465         if it is marked with TREE_NO_WARNING.
5466         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
5467         somenow mismatch and olddecl is to be replaced.
5468
5469 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
5470
5471         PR middle-end/23199
5472         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5473         whether registers live on the edge can be saved/restored.
5474
5475 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
5476
5477         * config/sh/sh.c (fixup_mova): Skip notes.
5478
5479 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5480
5481         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
5482         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
5483         (s390_can_eliminate): Handle BASE_REGNUM elimination.
5484         (s390_initial_elimination_offset): Likewise.
5485         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
5486         register on TARGET_ZARCH targets.
5487         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
5488         (INITIAL_FRAME_POINTER_OFFSET): Remove.
5489         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
5490         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
5491
5492 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5493
5494         * config/s390/s390.md: Comment describing output modifiers updated.
5495         * config/s390/s390.c (print_operand): Likewise.
5496
5497 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5498
5499         * config/s390/s390.c (override_options): Added check for -mstack-size
5500         64k limitation.
5501         * doc/invoke.texi: Mention that limit in the documenation.
5502
5503 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
5504
5505         PR #19672
5506         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5507
5508 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
5509
5510         Fix PR tree-optimization/24231
5511
5512         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5513         (compute_avail): Ditto.
5514
5515 2005-10-18  Richard Henderson  <rth@redhat.com>
5516
5517         PR target/24428
5518         * config/i386/i386.c (legitimate_constant_p): Check
5519         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
5520         if LABEL_REF.
5521         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5522         (legitimate_pic_address_disp_p): Reorg CONST checking to make
5523         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
5524         directly.
5525         (print_operand_address): Likewise.
5526         * config/i386/predicates.md (x86_64_immediate_operand): Test
5527         SYMBOL_REF_TLS_MODEL properly inside CONST.
5528         (x86_64_zext_immediate_operand): Likewise.
5529         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5530         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5531         * config/i386/i386-protos.h: Remove predicates.md entries.
5532
5533 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
5534
5535         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5536         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5537
5538 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
5539             Ian Lance Taylor <ian@airs.com>
5540
5541         PR middle-end/23522
5542         * fold-const.c (fold_widened_comparison): Do not allow range based
5543         constant folding when right operand cannot be unwidened.
5544
5545 2005-10-17  Richard Henderson  <rth@redhat.com>
5546
5547         * builtins.c (expand_builtin_synchronize): Build a new-style asm
5548         with a memory clobber.
5549
5550 2005-10-17  James E Wilson  <wilson@specifix.com>
5551
5552         PR rtl-optimization/17356
5553         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5554         checking for EDGE_EH.
5555
5556 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
5557
5558         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5559         the slot on an even boundary for any type with 16-byte alignment.
5560
5561 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
5562
5563         PR target/23424
5564         * md.texi (Modifiers) <%>: Clarify that % doesn't work
5565         after register allocation.
5566
5567 2005-10-17  DJ Delorie  <dj@redhat.com>
5568
5569         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5570         as frame related.
5571
5572 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
5573
5574         PR c++/22551
5575         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5576         overflow flags.
5577
5578 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
5579
5580         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5581         to 2 if it's already non-zero.
5582         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5583         is set and warn about it if flag_schedule_insns is 1.
5584
5585 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
5586
5587         * config/crx/crx.md: Compare-and-branch instructions need to
5588         invalidate CC.
5589
5590 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
5591
5592         PR target/24315
5593         * config/i386/i386.md (*pushdi2_rex64 splitter)
5594         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5595         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5596         flow2 pass only when (optimize > 0 && flag_peephole2).
5597
5598 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
5599
5600         PR driver/22544
5601         * gcc.c (have_c): New static variable.
5602         (have_o): Likewise.
5603         (process_command): Remove declation of have_c.
5604         Set have_o to 1 when handling -o.
5605         (main): Add a fatel error if there are multiple
5606         files specified and -o and -c/-S is passed witout
5607         -combine or multiple languages.
5608
5609 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
5610
5611         Fix PR tree-optimization/22444
5612         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5613         Assert that we don't hit something with subvars.
5614         (setup_pointers_and_addressables): Don't add things with subvars,
5615         because we'll already process the subvars for aliasing purposes.
5616
5617 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
5618
5619         PR target/23424
5620         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5621         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5622         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5623         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5624         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5625         swapped, alternatives for the R constraint.
5626
5627         PR middle-end/24341
5628         * builtins.c (get_builtin_sync_mode): Make unlimited
5629         mode_for_size request.
5630
5631 2005-10-15  Richard Henderson  <rth@redhat.com>
5632
5633         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5634         (gimplify_expr): ... here.
5635         (gimplify_compound_lval): Use it in initial scan loop.  Allow
5636         fb_lvalue in base expression.
5637
5638 2005-10-15  Richard Henderson  <rth@redhat.com>
5639
5640         PR 23714
5641         * builtins.c (expand_builtin_trap): Export.
5642         * expr.h (expand_builtin_trap): Declare.
5643         * expr.c (expand_assignment): Emit a trap for integral offsets
5644         from registers that weren't reduced to bitpos.
5645
5646         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5647         (mark_array_ref_addressable): Remove.
5648         * tree-flow.h (mark_array_ref_addressable): Remove.
5649         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5650
5651 2005-10-15  James E Wilson  <wilson@specifix.com>
5652
5653         PR target/24232
5654         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
5655         (add_dependence_list_and_free): Likewise.
5656         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5657         call.
5658
5659 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
5660
5661         PR 23141
5662         PR 23142
5663         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5664         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5665         anti-range.
5666         (vrp_visit_phi_node): Only prevent infinite iterations when
5667         the previous result and the new result are both VR_RANGEs.
5668
5669 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
5670
5671         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5672         function comment.
5673
5674 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5675
5676         PR c/23439
5677         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5678         to initialize loc.
5679
5680 2005-10-14  Per Bothner  <per@bothner.com>
5681
5682         PR preprocessor/21250
5683         * c-ppoutput.c (print_line): Print internal line 0 as 1.
5684
5685 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
5686
5687         PR c++/22551
5688         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5689         overflow flags.  Refactor some conditionals.
5690
5691 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
5692
5693         PR tree-opt/21304
5694         * tree-dfa.c (add_referenced_var): Only look at decls which
5695         have TREE_CONSTANT or TREE_READONLY set instead of if
5696         !TREE_PUBLIC or !TREE_CONSTANT.
5697
5698 2005-10-13  James E Wilson  <wilson@specifix.com>
5699
5700         * doc/invoke.texi: For -x, add f95-cpp-input.
5701         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5702
5703 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5704
5705         PR tree-optimization/24262
5706         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5707         in loop all the time.
5708
5709 2005-10-12  Richard Henderson  <rth@redhat.com>
5710
5711         PR c/24255
5712         * tree.h (DECL_TRANSPARENT_UNION): Remove.
5713         * function.c (assign_parm_find_data_types): Don't support it.
5714         * print-tree.c (print_node): Likewise.
5715         * c-common.c (handle_transparent_union_attribute): Likewise.
5716         Use build_duplicate_type.
5717         * tree-inline.c (remap_type_1): Split out of remap_type;
5718         properly remap aggregate fields.
5719         (build_duplicate_type): New.
5720         * doc/extend.texi (Variable Attributes): Remove documentation
5721         for transparent_union.
5722
5723 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5724
5725         PR target/24284
5726         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5727         (gen_stack_pointer_dec): Likewise.
5728
5729 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
5730
5731         PR middle-end/21275
5732         PR middle-end/21766
5733         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5734         target hook.
5735         (struct cxx): Add adjust_class_at_definition target hook.
5736         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5737         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5738         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5739         hook_void_tree. Add to TARGET_CXX.
5740         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5741         dllimport_flag.
5742         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5743         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5744         instead of attribute. Check for dllexport override.  Warn if
5745         inconsistent dll linkage. Don't lose old dllimport if decl has
5746         had address referenced.   Tweak lookup of dllimport atribute.
5747         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5748         for target specific rules.  Don't add dllimport attribute if
5749         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
5750         dllimport attribute.
5751         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5752         * varasm.c (initializer_constant_valid_p): Replace
5753         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5754
5755         PR target/21801
5756         PR target/23589
5757         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5758         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5759         (i[34567]86-*-mingw32*): Likewise.
5760
5761         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5762         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5763
5764         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5765         C++-specific code. Change return value to bool.
5766         (i386_pe_dllimport_p): Likewise.
5767         (associated_type): Simplify and make language-independent
5768         (i386_pe_encode_section_info): Replace override of ambiguous
5769         dllimport symbol refs with a gcc_assert.
5770         (i386_pe_valid_dllimport_attribute_p): Define.
5771         * config/i386/winnt-cxx.c: New file. Define C++ versions of
5772         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5773         i386_pe_adjust_class_at_definition.
5774         * config/i386/winnt-stubs.c: New file. Define stub versions of
5775         lang-specific functions.
5776         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5777         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5778         i386_pe_adjust_class_at_definition.
5779         (i386_pe_valid_dllimport_attribute_p): Declare.
5780         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5781         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5782         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5783
5784         PR target/19704
5785         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5786         dllimport attribute with test of DECL_DLLIMPORT_P.
5787
5788 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
5789
5790         * combine.c (make_extraction): Correct offset computation.
5791
5792 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
5793
5794         * config/cris/t-linux (LIMITS_H_TEST): Define.
5795
5796 2005-10-12  Richard Henderson  <rth@redhat.com>
5797
5798         PR rtl-opt/23324
5799         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5800
5801 2005-10-12  Richard Guenther  <rguenther@suse.de>
5802
5803         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5804
5805 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
5806
5807         PR c++/19964
5808         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5809         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5810         type.
5811
5812 2005-10-12  Richard Guenther  <rguenther@suse.de>
5813
5814         PR c++/23799
5815         * varasm.c (output_constant): Correct typo from previous
5816         patch by DJ.
5817
5818 2005-10-11  Ian Lance Taylor  <ian@airs.com>
5819
5820         PR rtl-optimization/13931
5821         * combine.c: Revert patch of 2003-05-14, and:
5822         (try_combine): Only set elim_i1 and elim_i2 if the destination is
5823         completely killed in the appropriate insn.
5824         (distribute_notes): Don't skip multiple hard register test for
5825         elim_i1 and elim_i2.
5826
5827 2005-10-11  Richard Henderson  <rth@redhat.com>
5828
5829         PR c/24255
5830         * c-typeck.c (convert_for_assignment): Use build_constructor_single
5831         to initialize a transparent union instead of a nop_expr.
5832
5833 2005-10-11  Richard Henderson  <rth@redhat.com>
5834
5835         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5836         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5837         (tree_ssa_dce_loop): Call scev_reset.
5838
5839         PR tree-opt/24300
5840         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5841         * tree-ssa-dce.c: Include cfgloop.h.
5842         (tree_ssa_dce_loop, pass_dce_loop): New.
5843         * tree-pass.h (pass_dce_loop): Declare it.
5844         * passes.c (init_optimization_passes): Use it.
5845
5846 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
5847
5848         PR middle-end/24263
5849         * convert.c (convert_to_real): Revert 2005-10-05 patch.
5850         Only apply the optimization for rounding builtins if the inner
5851         cast is also an extension.
5852
5853 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
5854
5855         PR tree-opt/23946
5856         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5857         mark_new_vars_to_rename instead of update_stmt.
5858
5859 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5860
5861         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5862
5863 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
5864
5865         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5866         for setting MMX register to 0 rather than mmx.
5867
5868 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
5869
5870         PR target/12098
5871         * configure.ac: Move gas check from mips specific case to common case.
5872         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5873         * configure: Regenerate
5874         * doc/install.texi: Update.
5875
5876 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5877
5878         PR target/24284
5879         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5880
5881 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
5882
5883         * gcc.c (do_spec_1): Accept numeric characters in file name
5884         suffixes.
5885
5886 2005-10-10  Nick Clifton  <nickc@redhat.com>
5887
5888         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
5889         describing the deleted arm_gen_rotated_half_load function.
5890
5891 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5892
5893         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5894         __fpscr_values.
5895
5896 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
5897
5898         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5899         gnu_ld assignments.
5900         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5901         (EXTRA_MULTILIB_PARTS): Define.
5902         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5903         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5904         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5905         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5906         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5907         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5908
5909 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
5910
5911         PR tree-optimization/24226
5912         * tree-cfg.c (remove_bb): Clean up unreachable loops.
5913         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5914         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5915         Export.
5916
5917 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
5918
5919         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5920
5921 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
5922
5923         PR target/24136
5924         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5925         Rewrite for no need for the early clobber.
5926
5927 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5928
5929         Merge from csl-arm-branch:
5930         2005-09-07  Paul Brook  <paul@codesourcery.com>
5931         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5932         space to string.
5933
5934         2005-04-30  Paul Brook  <paul@codesourcery.com>
5935         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5936         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5937
5938         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
5939         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5940         (arm_override_options): Use TARGET_AAPCS_BASED.
5941         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5942         (PTRDIFF_TYPE): Use int for AAPCS.
5943         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5944         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5945         (DEFAULT_SHORT_ENUMS): Delete.
5946         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5947
5948         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
5949         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5950         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5951         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5952
5953         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
5954         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5955
5956         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
5957         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5958
5959         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
5960         * config.gcc (arm*-*-linux-gnueabi): Add it.
5961         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5962         redefining it.
5963         (TARGET_OS_CPP_BUILTINS): Likeiwse.
5964         * config/arm/linux-eabi.h: New file.
5965         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5966         (LINUX_TARET_LINK_SPEC): Likewise.
5967         (LINK_SPEC): Use it.
5968         * config/arm/t-linux-eabi: New file.
5969
5970 2005-10-08  Steven Bosscher  <stevenb@suse.de>
5971
5972         PR other/22202
5973         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5974         spaces.
5975         (PARAM_SMS_DFA_HISTORY): Likewise.
5976
5977 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5978
5979         PR middle-end/23150
5980         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5981         (load_register_parameters): Call it.
5982         (check_sibcall_argument_overlap_1): Likewise.
5983         (store_one_arg): Likewise.
5984
5985 2005-10-07  James E. Wilson  <wilson@specifix.com>
5986
5987         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5988         DImode not VECINT24 for operand 2.
5989
5990         PR target/23644
5991         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5992         -mtune-arch.
5993
5994         PR target/24193
5995         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5996         fr_spill): Use destination_operand for operand 0.
5997
5998 2005-10-07  DJ Delorie  <dj@redhat.com>
5999
6000         * varasm.c (output_constant): Limit error to expanding
6001         conversions.
6002
6003 2005-10-07  Richard Guenther  <rguenther@suse.de>
6004
6005         PR middle-end/24227
6006         * fold-const.c (fold_binary): Fix operand types during folding
6007         of X op (A, Y).  Evaluation order of the side-effects of
6008         X and A are frontend-defined, so ensure we honour that even for
6009         tcc_comparison class operands; eased by removing duplicate code.
6010
6011 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
6012
6013         * stor-layout.c (layout_type): Do not allow alignment of array
6014         elements to be greater than their size.
6015
6016 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
6017
6018         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
6019         host_xmake_file.
6020         (hppa*-*-linux*): Ditto.
6021         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
6022         * config/host-hpux.c: New.
6023         * config/x-hpux: New.
6024         * config/pa/x-hpux: Remove.
6025         * config/pa/x-linux: Remove.
6026         * config/pa/pa-host.c: Remove.
6027
6028 2005-10-07  Jeff Law  <law@redhat.com>
6029
6030         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
6031         determine whether or not to try and thread outgoing edges.
6032
6033 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
6034
6035         * config/rs6000/rs6000.md (eqsi_power): New.
6036         (neg_eq0si): Add TARGET_POWER to final condition.
6037         (neg_eqsi): Same.
6038
6039 2005-10-06  Richard Henderson  <rth@redhat.com>
6040
6041         * config/rs6000/rs6000.c: Revert last change.
6042
6043 2005-10-06  Richard Henderson  <rth@redhat.com>
6044
6045         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
6046         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
6047
6048 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
6049
6050         PR middle-end/22216
6051         PR middle-end/23651
6052         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
6053         out return_label and naked_return_label.
6054
6055 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
6056
6057         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
6058         change.
6059
6060 2005-10-06  Richard Henderson  <rth@redhat.com>
6061
6062         PR tree-opt/22237
6063         * tree-inline.c (declare_return_variable): Handle modify_dest not
6064         being a DECL.
6065
6066 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
6067
6068         Fix PR tree-optimization/22488
6069         * tree-ssa-structalias.c (check_for_overlaps): New function.
6070         (create_variable_info_for): Use it.
6071
6072 2005-10-06  Richard Henderson  <rth@redhat.com>
6073
6074         PR debug/24070
6075         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
6076         (dwarf2out_start_source_file): Print it.
6077
6078 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
6079
6080         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
6081
6082 2005-10-06  Richard Henderson  <rth@redhat.com>
6083
6084         PR 23706
6085         * mode-switching.c (optimize_mode_switching): Clear transp bit
6086         for block with incomming abnormal edges.
6087
6088         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
6089         (fpscr_set_from_mem): Use them.
6090         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
6091         (fpscr postinc splitters): Rewrite as peephole2+split.
6092
6093 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
6094
6095         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
6096         (eq<mode>_compare): Same.
6097
6098 2005-10-06  Richard Guenther  <rguenther@suse.de>
6099
6100         PR tree-optimization/24238
6101         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
6102
6103 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
6104
6105         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
6106         here.  Use AC_PATH_PROG for environment variables instead of
6107         test -x.
6108         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
6109         objdump also.
6110         * configure: Regenerated.
6111
6112 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
6113
6114         PR target/23783
6115         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
6116         then force it into a register.
6117         (call_value): Likewise.
6118
6119 2005-10-06  Richard Henderson  <rth@redhat.com>
6120
6121         PR 24049
6122         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
6123         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
6124         under pass_vectorize.
6125
6126 2005-10-05  Devang Patel  <dpatel@apple.com>
6127
6128         PR Debug/23205
6129         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
6130         handling constants. Check NAMESPACE_DECL context for constants.
6131
6132 2005-10-05  Eric Christopher  <echristo@apple.com>
6133
6134         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
6135
6136 2005-10-05  Richard Henderson  <rth@redhat.com>
6137
6138         PR 23714
6139         * tree-cfg.c (mark_array_ref_addressable_1): New.
6140         (mark_array_ref_addressable): New.
6141         * tree-flow.h (mark_array_ref_addressable): Declare.
6142         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
6143
6144 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
6145
6146         PR middle-end/20606
6147         PR middle-end/24069
6148         * reload.c (subst_reloads): When adding a REG_LABEL to a
6149         jump instruction, also update JUMP_LABEL.
6150
6151 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
6152
6153         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
6154         * bb-reorder.c (copy_bb_p): Use it.
6155         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
6156
6157 2005-10-05  Richard Henderson  <rth@redhat.com>
6158
6159         PR target/23602
6160         * toplev.c (process_options): Warn about unsupported combinations
6161         of unwind tables and omit-frame-pointer.
6162         * config/i386/i386.c (override_options): Similarly.  Enable
6163         accumulate-outgoing-args if not explicitly disabled.
6164
6165 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
6166
6167         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
6168         Handle big endian vs. small endian.
6169         (vec_initv2sf): Handle big endian vs. small endian.
6170         (*vec_extractv2sf_1): Ditto.
6171
6172 2005-10-05  Dale Johannesen  <dalej@apple.com>
6173
6174         * convert.c (convert_to_real):  Don't convert
6175         (float)floor(double d) to floorf((float)d).
6176
6177 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
6178
6179         * config/arm/arm.md (insv): Use gen_int_mode in more places.
6180
6181 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
6182
6183         PR tree-optimization/18587
6184         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
6185         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
6186         build_vuses): Change to VEC type.
6187         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
6188         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
6189         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
6190         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
6191         (get_name_decl): New.  Return DECL_UID of base variable.
6192         (operand_build_cmp): New.  qsort comparison routine.
6193         (operand_build_sort_virtual): New.  Sort virtual build vector.
6194         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
6195         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
6196         (FINALIZE_BASE): Use get_name_decl.
6197         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
6198         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
6199         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
6200         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
6201         direct VEC_* manipulations.
6202         (build_ssa_operands): Call operand_build_sort_virtual.
6203         (copy_virtual_operand, create_ssa_artficial_load_stmt,
6204         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
6205         with direct VEC_* manipulations.
6206         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
6207         with direct VEC manipulations.
6208
6209 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
6210
6211         PR tree-optimization/21419
6212         PR tree-optimization/24146
6213         PR tree-optimization/24151
6214
6215         * c-typeck.c (readonly_error): Handle USE being lv_asm.
6216         (build_asm_expr): Call it if outputs are read-only.
6217         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
6218
6219 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
6220             Paolo Bonzini  <bonzini@gnu.org>
6221
6222         PR target/23809
6223
6224         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
6225         enable the instructions and not just the built-ins.
6226         * doc/invoke.texi (x86 Options): Likewise.
6227
6228 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
6229
6230         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
6231
6232         * doc/invoke.texi (Option Summary): Correct spelling
6233         of -mmacosx-version-min.
6234
6235 2005-10-04  Devang Patel  <dpatel@apple.com>
6236
6237         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
6238         real types.
6239
6240 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
6241
6242         * tree-vect-transform.c (vect_create_epilog_for_reduction):
6243         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
6244
6245 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
6246
6247         * config/s390/s390.md ("TDSI","DP"): New mode macros.
6248         ("TE","tg"): New mode attributes.
6249         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
6250         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
6251         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
6252         dword_mode and one for GPRmode.
6253
6254 2005-10-04  Ian Lance Taylor  <ian@airs.com>
6255
6256         PR preprocessor/13726
6257         * c-ppoutput.c (cb_include): Add comments parameter, and print out
6258         any comments passed in.
6259
6260 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6261
6262         * tree.c (annotate_with_file_line): Fix typo.
6263
6264 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6265
6266         PR ada/19382
6267         * builtins.c (fold_builtin_memcmp): When constructing the pointer
6268         type used to access data in the inlined length == 1 case, use
6269         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
6270         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
6271
6272 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
6273
6274         * config/i386/i386.h (TARGET_FISTTP): Enable also for
6275         TARGET_SSE3 and only for TARGET_80387.
6276         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
6277         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
6278         Do not depend on TARGET_80387.
6279
6280 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6281
6282         * tree.c (last_annotated_node): Change type to location_t*.
6283         (annotate_with_file_line): Reflect the change of
6284         last_annotated_node type.
6285
6286 2005-10-04  Richard Guenther  <rguenther@suse.de>
6287
6288         PR c/23576
6289         * c-decl.c (grokdeclarator): Don't write to fields
6290         of error_mark_node.
6291
6292 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6293
6294         PR middle-end/23125
6295         * c-decl.c (finish_decl): Use set_user_assembler_name even for
6296         register variables.
6297         * varasm.c (make_decl_rtl): If a register variable does not
6298         have a set user assmbler name, error out.
6299         Decode the asmspec is now name+1 bypassing '*'.
6300
6301 2005-10-04  Steven Bosscher  <stevenb@suse.de>
6302
6303         PR tree-optimization/23049
6304         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
6305         of a COND_EXPR is folded before calling fold on the whole rhs of a
6306         conditional assignment.
6307         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
6308         document that a COND_EXPR may appear there.
6309
6310 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
6311
6312         PR 23445
6313         * tree-vrp.c (extract_range_from_assert): If the new numeric
6314         range created out of the assertion contradicts the existing
6315         numeric range of the ASSERT_EXPR variable, make the new range
6316         varying.
6317
6318 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6319
6320         * config/sh/sh.c (sh_register_move_cost): Add case for moving
6321         from T_REGS to FP register class.
6322
6323 2005-10-03  Richard Henderson  <rth@redhat.com>
6324
6325         PR 24135
6326         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
6327         before creating a new one.
6328
6329 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
6330
6331         * config/rs6000/t-aix43 (LDFLAGS): New.
6332         * config/rs6000/t-aix52 (LDFLAGS): New.
6333
6334 2005-10-03  Ian Lance Taylor  <ian@airs.com>
6335
6336         * gimplify.c (find_single_pointer_decl_1): New static function.
6337         (find_single_pointer_decl): New static function.
6338         (internal_get_tmp_var): For a formal variable, set restrict base
6339         information if appropriate.
6340         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
6341         return it.
6342         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
6343         (DECL_GET_RESTRICT_BASE): Define.
6344         (SET_DECL_RESTRICT_BASE): Define.
6345         (decl_restrict_base_lookup): Declare.
6346         (decl_restrict_base_insert): Declare.
6347         (struct tree_decl_with_vis): Add based_on_restrict_p field.
6348         * tree.c (restrict_base_for_decl): New static variable.
6349         (init_ttree): Initialize restrict_base_for_decl.
6350         (copy_node_stat): Copy restrict base information.
6351         (decl_restrict_base_lookup): New function.
6352         (decl_restrict_base_insert): New function.
6353         (print_restrict_base_statistics): New static function.
6354         (dump_tree_statistics): Call print_restrict_base_statistics.
6355
6356 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
6357
6358         PR 24142
6359         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
6360         case of anti-ranges.
6361
6362 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
6363
6364         PR c/18851
6365         * c-typeck.c (tagged_tu_seen): Rename to ...
6366         (tagged_tu_seen_cache): this and add val field.
6367         (comptypes): Move functional to comptypes_internal
6368         and free tagged_tu_seen.
6369         (comptypes_internal): New function and call comptypes_internal
6370         instead of comptypes. Speed up by sibcalling
6371         tagged_types_tu_compatible_p.
6372         (alloc_tagged_tu_seen): New function
6373         (free_all_tagged_tu_seen_up_to): New function.
6374         (tagged_types_tu_compatible_p): Return the val of the seen two
6375         types.
6376         Add that the two types are the same to tagged_tu_seen_base
6377         if they are and call comptypes_internal instead of comptypes.
6378         <case UNION_TYPE>: Speed up common type where the fields are
6379         in the same order.
6380         (function_types_compatible_p): Call comptypes_internal instead of
6381         comptypes.
6382         (type_lists_compatible_p): Likewise.
6383         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
6384
6385 2005-10-02  Matthias Klose  <doko@debian.org>
6386
6387         * doc/invoke.texi: Fix typo and speling error.
6388
6389 2005-10-01  Richard Henderson  <rth@redhat.com>
6390
6391         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
6392
6393 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
6394
6395         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
6396         using --start-group and --end-group.
6397
6398 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
6399
6400         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
6401         FIXME note regarding quirky semantics.
6402
6403 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
6404
6405         PR 24141
6406         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
6407         non-null range as a last resort.
6408
6409 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
6410             Diego Novillo  <dnovillo@redhat.com>
6411
6412         PR 23604
6413         * tree-vrp.c (extract_range_from_assert): For !=
6414         assertions, only build an anti-range if LIMIT is a
6415         single-valued range.
6416
6417 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
6418
6419         * arm.md (movqi): On thumb when optimizing, handle loading from
6420         memory by describing this as taking a subreg of a zero-extended load
6421         into an SImode register.
6422         (movhi): Likewise.
6423
6424 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
6425
6426         * reload1.c (merge_assigned_reloads): Do not change any
6427         RELOAD_FOR_OUTPUT_ADDRESS reloads.
6428
6429 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
6430
6431         * Makefile.in (LIPO_FOR_TARGET): Define.
6432         (STRIP_FOR_TARGET): Define.
6433
6434         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
6435         before creating new ones.  Do symlinks before creating the actual
6436         targets.
6437
6438         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
6439         to work out which multilibs are actually being built.
6440
6441 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
6442
6443         * tree-vect-transform.c, config/ms1/ms1.md,
6444         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
6445         Follow spelling conventions.
6446         * doc/invoke.texi, doc/md.texi: Fix typos.
6447
6448 2005-09-30  Andrew Macleod  <amacleod@redat.com>
6449
6450         PR tree-optimization/21430
6451         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
6452         use operands, and set stmt pointer if need be.
6453         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
6454         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
6455         present.
6456
6457 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6458
6459         PR middle-end/24053
6460         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
6461
6462 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
6463
6464         * optabs.c (expand_binop): Initialize first_pass_p.
6465
6466 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
6467
6468         PR middle-end/24109
6469         * c-decl.c (c_write_global_declarations_1): If any
6470         wrapup_global_declaration_2 call returned true, restart the loop.
6471
6472 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
6473
6474         Fix PR tree-optimization/24117
6475         * tree-ssa-structalias.c (find_func_aliases): Strip nops
6476         before considering whether to use anyoffset.
6477
6478 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6479
6480         Revert this patch:
6481
6482         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6483
6484         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6485         to order operands.
6486         (swap_commutative_operands_with_target): New.
6487
6488 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6489
6490         PR c/21419
6491         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
6492         read-only.
6493
6494 2005-09-29  Steven Bosscher  <stevenb@suse.de>
6495
6496         PR tree-optimization/23911
6497         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
6498         and IMAGPART_EXPR too.
6499
6500 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
6501
6502         PR 17886
6503         * expmed.c (expand_shift): Move logic to reverse rotation
6504         direction when  rotating by constants ...
6505         * optabs.c (expand_binop): ... here.
6506         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6507         (ix86_rotrdi3): New pattern.
6508         (rotldi3): Handle 32-bit mode.
6509         (ix86_rotldi3): New pattern.
6510
6511 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
6512
6513         PR target/24102
6514         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6515         check for numbers that need no bit twiddle.
6516
6517 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
6518
6519         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6520         multilib to be built.
6521
6522         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6523         (stage1-start): Delete old libgcc and libunwind before moving
6524         anything into the stage directory.
6525         (stage2-start): Likewise.
6526         (stage3-start): Likewise.
6527         (stage4-start): Likewise.
6528         (stageprofile-start): Likewise.
6529         (stagefeedback-start): Likewise.
6530         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6531         header in tm_file and CPU-specific t-darwin in tmake_file.
6532         (i[34567]86-*-darwin*): Don't change tm_file.
6533         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6534         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6535         shared library stub for target OS version.
6536         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6537         (SHLIB_LINK): Don't make SHLIB_SOLINK.
6538         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6539         (libgcc_s.%.dylib): New.
6540         (LIBGCC): Define.
6541         (install-darwin-libgcc-stubs): New.
6542         (INSTALL_LIBGCC): New append.
6543         * config/i386/darwin-libgcc.10.4.ver: New.
6544         * config/i386/darwin-libgcc.10.5.ver: New.
6545         * config/i386/t-darwin: New.
6546         * config/rs6000/darwin-libgcc.10.4.ver: New.
6547         * config/rs6000/darwin-libgcc.10.5.ver: New.
6548         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6549         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6550
6551 2005-09-28  Paul Brook  <paul@codesourcery.com>
6552
6553         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6554         denormals.
6555
6556 2005-09-28  Richard Guenther  <rguenther@suse.de>
6557
6558         PR tree-optimization/23853
6559         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6560         host_integerp to verify misalignment value.
6561
6562 2005-09-28  Richard Henderson  <rth@redhat.com>
6563
6564         * builtins.c (get_builtin_sync_mode): New.
6565         (expand_builtin_sync_operation): Pass in mode argument.
6566         (expand_builtin_compare_and_swap): Likewise.
6567         (expand_builtin_lock_test_and_set): Likewise.
6568         (expand_builtin_lock_release): Likewise.
6569         (expand_builtin): Update to match.
6570
6571 2005-09-28  Nick Clifton  <nickc@redhat.com>
6572
6573         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6574         formatting.  Add check to PLUS case to ensure that the offset is
6575         within an acceptable range.
6576
6577         * config/v850/v850.md (casesi): Disable the generation of the
6578         switch pattern as it is not being handled properly at the moment.
6579
6580         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6581         for when the high words are identical.
6582
6583 2005-09-27  Richard Henderson  <rth@redhat.com>
6584
6585         * pretty-print.c (pp_base_format): Fix typo for %>.
6586
6587 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
6588             Devang Patel  <dpatel@apple.com>
6589
6590         PR tree-optimization/23625
6591         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6592         LABEL_EXPR, assertion check.
6593
6594 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
6595
6596         * optabs.c (no_conflict_move_test): Check if a result of a
6597         to-be-moved insn would be clobbered by an originally
6598         preceding insn.
6599
6600 2005-09-27  Jeff Law  <law@redhat.com>
6601
6602         * passes.c (init_optimization_passes): Replace copy propagation
6603         passes immediately after DOM with phi-only copy propagation
6604         pases.  Add phi-only copy propagation pass after first DOM pass.
6605         * tree-pass.h (pass_phi_only_copy_prop): Declare.
6606         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6607         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6608         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
6609         to init_copy_prop.  Callers updated.
6610         (do_phi_only_copy_prop): New function.
6611         (pass_phi_only_copy_prop): New pass descriptor.
6612
6613 2005-09-27  Nick Clifton  <nickc@redhat.com>
6614
6615         * libgcc2.c (__popcount_tab): Remove redundant prototype.
6616
6617 2005-09-26  Jason Merrill  <jason@redhat.com>
6618
6619         PR c++/13764
6620         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6621
6622         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6623
6624 2005-09-26  James E Wilson  <wilson@specifix.com>
6625
6626         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6627         copyright.  Add gcc copyright plus libgcc exception.
6628         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
6629         copyright.
6630         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6631
6632 2005-09-26  Jeff Law  <law@redhat.com>
6633
6634         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6635         about when to iterate.
6636
6637 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
6638
6639         PR target/23847
6640         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6641         for __complex__ double in -mcpu=G5 mode.
6642
6643 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
6644
6645         PR tree-optimization/23942
6646         * Makefile.in (SCEV_H): Depends on PARAMS_H.
6647         * tree-scalar-evolution.c: Include params.h.
6648         (t_bool): New enum.
6649         (follow_ssa_edge, follow_ssa_edge_in_rhs,
6650         follow_ssa_edge_in_condition_phi_branch,
6651         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6652         Change return type to t_bool.  Use a parameter to limit the size of
6653         trees that are walked before stopping
6654         (analyze_evolution_in_loop): Initialize the limit to 0.
6655         (follow_ssa_edge): Give up by returning t_dont_know if the limit
6656         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6657
6658 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6659
6660         PR middle-end/23831
6661         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6662         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6663
6664 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
6665
6666         * combine.c (make_extraction): Check for valid use of subreg.
6667
6668 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6669
6670         PR target/24055
6671         * config/i386/i386.md ("*fistdi2_1"): New pattern.
6672         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6673         ("fist<mode>2_with_temp"): Use only register operands.
6674
6675 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
6676
6677         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6678         CALL_INSN_FUNCTION_USAGE.
6679
6680 2005-09-26  Richard Guenther  <rguenther@suse.de>
6681
6682         PR middle-end/15855
6683         * gcse.c: Include hashtab.h, define ldst entry hashtable.
6684         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6685         (ldst_entry): Use the hashtable instead of list-walking.
6686         (find_rtx_in_ldst): Likewise.
6687         (free_ldst_entry): Free the hashtable.
6688         (compute_ld_motion_mems): Create the hashtable.
6689         (trim_ld_motion_mems): Remove entry from hashtable if
6690         removing it from list.
6691         (compute_store_table): Likewise^2.
6692         (store_motion): Free hashtable in case we did not see
6693         any stores.
6694
6695 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
6696
6697         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6698         and arg1 if we are passing them to fold_build2.
6699
6700 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
6701
6702         PR 23828
6703         * config/i386/i386.c (ix86_function_regparm): Fix the test for
6704         a nested function.
6705
6706 2005-09-25  Richard Henderson  <rth@redhat.com>
6707
6708         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6709         SYMBOL_REF_TLS_MODEL to be correct.
6710
6711 2005-09-24  Richard Henderson  <rth@redhat.com>
6712
6713         * ipa-type-escape.c (discover_unique_type): Remove dead code at
6714         end of function.  Reindent.
6715
6716 2005-09-24  Ian Lance Taylor  <ian@airs.com>
6717
6718         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6719         NEGATE_EXPR/BIT_NOT_EXPR case.
6720
6721 2005-09-24  Richard Henderson  <rth@redhat.com>
6722
6723         * c-common.c (handle_mode_attribute): When not modifying in place,
6724         create subtypes for enumerations.
6725         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6726         * gimplify.c (create_tmp_from_val): Likewise.
6727
6728 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
6729
6730         * config/i386/i386.md (*tls_global_dynamic_64,
6731         *tls_local_dynamic_base_64): Add missing mode to call.
6732         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6733
6734 2005-09-24  Jan Hubicka  <jh@suse.cz>
6735
6736         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6737         (cgraph_clone_node): Likewise.
6738         * cgraph.h (cgraph_clone_edge): Update prototype.
6739         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6740         duplicated prototypes; add updating argument.
6741         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6742         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6743         updating profile.
6744         (cgraph_mark_inline_edge): Likewise.
6745         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6746         (cgraph_flatten_node): Likewise.
6747         (cgraph_decide_recursive_inlining): Likewise.
6748         (cgraph_decide_inlining_of_small_function): Likewise.
6749         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6750
6751 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6752             Pete Steinmetz <steinmtz@us.ibm.com>
6753
6754         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6755         (rldic.): Set type to "compare".
6756         (rldicr.): Same.
6757         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
6758         mfjmpr for MFCTR/MFLR.
6759         (movdf_hardfloat64): Same.
6760         (movdf_softfloat64): Same.  Correct order of store and move types.
6761         (movti_string): Set type to store_ux/load_ux.
6762         (load_multiple): Set type to load_ux.
6763         (store_multiple): Set type to store_ux.
6764         (movmemsi): Set type to store_ux.
6765         (output_cbranch direct_return): Set type to jmpreg.
6766         (stmw): Set type to store_ux.
6767         (lmw): Set type to load_ux.
6768         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6769         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6770         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6771         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6772         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6773         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6774         (rios1-fpstore): Increase latency to 3.
6775         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6776         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6777
6778 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6779             Andrew Pinski  <pinskia@physics.uc.edu>
6780
6781         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6782         operand2 constraint to "b".
6783         (sync_<fetchop_name>di_internal): Same.
6784         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6785         to "b".
6786         (sync_old_<fetchop_name>di_internal): Same.
6787         (sync_new_<fetchop_name>si_internal): Same.
6788         (sync_new_<fetchop_name>di_internal): Same.
6789
6790 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
6791
6792         PR middle-end/23991
6793         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6794         case, define as macros.
6795
6796         PR rtl-optimization/23837
6797         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
6798         clobber / clobber match between dest and p->first.
6799
6800         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6801         (no_conflict_move_test): Update comments.
6802
6803 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
6804
6805         * doc/install.texi: Update URL for Jacks.
6806         * doc/sourcebuild.texi: Likewise.
6807
6808 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
6809
6810         PR target/24007
6811         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6812         registers when choosing register preferences.
6813         (movdf_hardfloat64): Same.
6814
6815 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
6816
6817         * expmed.c (expand_shift): Don't use the target of the rotate as
6818         target for the first expanded shift insn.
6819         * testsuite/gcc.dg/20050922-1.c: Testcase added.
6820
6821 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
6822
6823         PR tree-optimization/22438
6824         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6825         preserved iv rhs rewriting specially.
6826
6827 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
6828
6829         * tree-data-ref.c (analyze_array_indexes): Only estimate when
6830         estimate_only  is true.
6831         * tree-flow.h (ref_contains_indirect_ref): New prototype.
6832         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6833         tree-ssa-structalias.c
6834         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6835         ref_contains_indirect_ref.
6836         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6837
6838 2005-09-21  DJ Delorie  <dj@redhat.com>
6839
6840         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6841         MASK_PTR_A0D0.
6842         (mn10300_return_in_memory): Support variable size types also.
6843         (mn10300_pass_by_reference): Likewise.
6844         (mn10300_function_value): New.
6845         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6846         (FUNCTION_OUTGOING_VALUE): Likewise.
6847         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6848         * doc/invoke.texi: Document it.
6849
6850 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
6851
6852         PR target/22585
6853         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6854         force integer op1 into register for XFmode compares.
6855
6856 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
6857
6858         PR middle-end/23971
6859         * expmed.c (alg_code): Add alg_impossible.
6860         (alg_hash_entry): Add cost.
6861         (synth_mult): Record alg_impossible in the hash table if
6862         multiplication by a given integer is impossble within the
6863         limit.  Speed up using alg_impossible.
6864
6865 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6866
6867         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6868         argument.  Allow and set any offset if needs_anyoffset is passed
6869         in.
6870         (get_constraint_for): Add argument here too.
6871         Pass it down.
6872         (do_structure_copy): Pass NULL to get_constraint_for.
6873         (handle_ptr_arith): Ditto.
6874         (find_func_aliases): Ditto.
6875
6876 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
6877
6878         PR rtl-optimization/23898
6879         * output.h (get_attr_min_length): Declare.
6880         * final.c (get_attr_length_1): New function, broken out of:
6881         (get_attr_length).
6882         (get_attr_min_length): New function.
6883         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6884         (duplicate_computed_gotos): Likewise.
6885         * genattr.c (insn_min_length): Generate declaration.
6886         * genattrtab.c (min_fn, min_attr_value): New functions.
6887         (make_length_attrs): Generate insn_min_length.
6888
6889 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
6890
6891         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6892
6893 2005-09-20  Richard Henderson  <rth@redhat.com>
6894
6895         PR tree-optimization/24059
6896         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6897         EXPAND_STACK_PARM.
6898
6899 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
6900
6901         * c.opt (fextended-identifiers): New.
6902         * c-opts.c (c_common_handle_option): Handle
6903         -fextended-identifiers.
6904         * doc/cpp.texi: Update documentation of extended identifiers.
6905         * doc/cppopts.texi (-fextended-identifiers): Document.
6906
6907 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
6908
6909         PR tree-optimization/23929
6910         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6911         if expr is NULL.
6912
6913         PR tree-optimization/23818
6914         * tree-stdarg.c (execute_optimize_stdarg): Call
6915         calculate_dominance_info.
6916
6917 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6918
6919         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6920         (analyze_siv_subscript_cst_affine): Add weak SIV test.
6921         (compute_overlap_steps_for_affine_1_2): Use
6922         get_number_of_iters_for_loop.
6923         (analyze_subscript_affine_affine): Check whether difference is
6924         zero first.
6925         Use get_number_of_iters_for_loop.
6926         Check whether overlap occurs outside of bounds.
6927         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6928
6929 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
6930
6931         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6932         base register if possible.
6933
6934 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
6935
6936         PR tree-optimization/18463
6937         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6938         converting it directly is not possible.
6939         (chrec_convert_aggressive): New function.
6940         * tree-chrec.h (chrec_convert_aggressive): Declare.
6941         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6942         Fold chrec conversions aggressively if asked to.
6943         (instantiate_parameters): Modified because of changes in
6944         instantiate_parameters_1.
6945
6946 2005-09-19  Richard Henderson  <rth@redhat.com>
6947
6948         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6949         (reduc_splus_v2df): New.
6950
6951 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
6952
6953         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6954         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
6955
6956 2005-09-19  Richard Henderson  <rth@redhat.com>
6957
6958         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6959         vcondu<SSEMODE12>.
6960
6961 2005-09-19  Richard Henderson  <rth@redhat.com>
6962
6963         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6964         (ia64_expand_dot_prod_v8qi): New.
6965         * config/ia64/ia64-protos.h: Update.
6966         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6967         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6968         sdot_prodv8qi, sdot_prodv4hi): New.
6969         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6970
6971 2005-09-19  Richard Henderson  <rth@redhat.com>
6972
6973         PR 23941
6974         * real.c (exact_real_truncate): Return false if the format cannot
6975         represent the number as a normal.
6976
6977         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6978         for a memory source.
6979
6980 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
6981
6982         * tree-ssa-operands.c (swap_tree_operands): Export.
6983         * tree.h (swap_tree_operands): Declare.
6984         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6985         Call swap_tree_operands.
6986
6987 2005-09-19  Richard Henderson  <rth@redhat.com>
6988
6989         * tree-flow.h (merge_alias_info): Declare.
6990         * tree-ssa-copy.c (merge_alias_info): Export.
6991         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6992         (vect_create_data_ref_ptr): Use create_iv directly.
6993         (vectorizable_load): Use correct types for integer constants.
6994         (vect_generate_tmps_on_preheader): Likewise.
6995         (vect_gen_niters_for_prolog_loop): Likewise.
6996
6997 2005-09-19  Steven Bosscher  <stevenb@suse.de>
6998
6999         PR rtl-optimization/23943
7000         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
7001
7002 2005-09-18  Jan Hubicka  <jh@suse.cz>
7003
7004         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
7005
7006 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
7007
7008         * varasm.c (output_constant): Do not abort on conversions to union
7009         types between different sizes.
7010
7011 2005-09-18  Richard Guenther  <rguenther@suse.de>
7012
7013         PR middle-end/23944
7014         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
7015         fallback.
7016
7017 2005-09-18  Paul Brook  <paul@codesourcery.com>
7018
7019         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
7020
7021 2005-09-17  Richard Henderson  <rth@redhat.com>
7022
7023         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
7024         * tree-ssa-loop.c (pass_vect_dce): Remove.
7025         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
7026         of pass_vectorize.
7027
7028 2005-09-17  Richard Henderson  <rth@redhat.com>
7029
7030         * tree-pass.h (pass_vect_dce): Declare.
7031         * passes.c (init_optimization_passes): Add it.
7032         * tree-flow.h (tree_ssa_dce): Declare.
7033         * tree-ssa-dce.c (tree_ssa_dce): Export.
7034         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
7035         (gate_tree_vectorize): ... here.
7036         (pass_vect_dce): New.
7037
7038 2005-09-17  Jan Hubicka  <jh@suse.cz>
7039
7040         * except.c (struct eh_status): Turn region_array into vec.
7041         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
7042         convert_from_eh_region_ranges, find_exception_handler_labels,
7043         current_function_has_exception_handlers, assign_filter_values,
7044         build_post_landing_pads, dw2_build_landing_pads,
7045         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
7046         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
7047         foreach_reachable_handler, can_throw_internal_1,
7048         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
7049         region_array.
7050         (duplicate_eh_region_1): Update region_array.
7051         (duplicate_eh_regions): Resize region_array and avoid recomputing.
7052
7053 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
7054
7055         PR middle-end/22067
7056         * expmed.c (expand_mult): Substitute simple register for op0 when
7057         computing max_cost.
7058
7059 2005-09-17  Richard Henderson  <rth@redhat.com>
7060
7061         * expr.c (emit_move_via_integer): Add force argument, pass it on
7062         to emit_move_change_mode.  Update callers.
7063         (emit_move_complex): Pass true to new force argument.
7064         * function.c (expand_function_end): Move expand_eh_return call
7065         earlier.  Merge sub-word complex values into a pseudo before
7066         copying to the return hard register.
7067
7068 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
7069
7070         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
7071         between different sizes.
7072
7073 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
7074
7075         PR 23903
7076
7077         * passes.c (init_optimization_passes): Register dump files for
7078         IPA passes first.
7079
7080 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
7081
7082         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
7083         * config/s390/s390.c (s390_overlap_p): New function.
7084         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
7085         peephole2, "*xc" peephole2): Added overlap check to the peephole2
7086         condition.
7087
7088 2005-09-16  Richard Guenther  <rguenther@suse.de>
7089
7090         * ipa-pure-const.c (static_execute): Free auxiliar information.
7091         * ipa-type-escape.c (discover_unique_type): Free temporary key.
7092         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
7093
7094 2005-09-15  DJ Delorie  <dj@redhat.com>
7095
7096         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
7097
7098 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
7099
7100         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
7101         to order operands.
7102         (swap_commutative_operands_with_target): New.
7103
7104 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
7105
7106         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
7107         parameter.
7108         Update callers.
7109         (estimate_iters_using_array): New function.
7110         * tree-data-ref.h (estimate_iters_using_array): Prototype
7111         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7112         Use estimate_iters_using_array instead of analyze_array.
7113
7114 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
7115
7116         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
7117         as addressable.
7118
7119 2005-09-15  Michael Matz  <matz@suse.de>
7120
7121         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
7122
7123 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
7124
7125         PR tree-optimization/23835
7126         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
7127         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
7128
7129 2005-09-14  Richard Henderson  <rth@redhat.com>
7130
7131         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
7132         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
7133
7134 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
7135
7136         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
7137         in the ARRAY_TYPE case.
7138
7139 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
7140
7141         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
7142
7143 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
7144
7145         PR middle-end/22480
7146         * tree-vect-transform.c (vectorizable_operation): Return false for
7147         scalar shift operations and for vector shift operations with
7148         non-invariant shift arguments.  Use scalar tree operand op1 as
7149         a shift operand when vector shift insn pattern uses scalar shift
7150         operand.
7151         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
7152
7153 2005-09-14  Olivier Hainque  <hainque@adacore.com>
7154
7155         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
7156         value if it has side-effects.
7157
7158 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
7159
7160         PR target/22068
7161         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
7162
7163 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
7164
7165         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
7166         passed as NAME as if it were label at start of function code.
7167
7168 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
7169
7170         * config/sh/sh.md (*movv4sf_i): Add general register cases to
7171         the constraints.
7172
7173 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
7174
7175         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
7176         as early clobber.  Rewrite so the PIC register is not implicitly used.
7177
7178 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7179
7180         * tree.c (annotate_with_file_line): Compare line numbers before
7181         file names.
7182
7183 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
7184
7185         PR target/23816
7186         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
7187         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
7188
7189 2005-09-13  Ian Lance Taylor  <ian@airs.com>
7190
7191         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
7192         than a HOST_WIDEST_INT to gen_doloop_begin.
7193
7194 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
7195
7196         * tree-dfa.c (dump_variable): Guard against NULL annotations.
7197
7198 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
7199
7200         PR tree-optimize/23817
7201         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
7202
7203 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
7204
7205         PR target/23774
7206         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
7207         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
7208         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
7209         (restore_stack_nonlocal): Likewise.
7210         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
7211
7212 2005-09-12  Ian Lance Taylor  <ian@airs.com>
7213
7214         PR g++/7874
7215         * c.opt (ffriend-injection): New C++ option.
7216         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
7217         (C++ Dialect Options): Document -ffriend-injection.
7218
7219 2005-09-12  Josh Conner  <jconner@apple.com>
7220
7221         PR middle-end/23237
7222         * ipa-reference.c (static_execute): Don't mark variables in
7223         named sections TREE_READONLY.
7224
7225 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
7226
7227         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
7228         stack_tie.
7229
7230 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
7231
7232         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
7233         V_MUST_DEF instead of just the first_use_p.
7234         Don't mark the virtual variables for renaming on the statement which
7235         is being removed.
7236         (pass_dse): Remove TODO_update_ssa.
7237
7238 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
7239
7240         PR middle-end/23290
7241         * stor-layout.c (compute_record_mode): For records with a single
7242         field, actually check the field's mode size against the type size.
7243
7244         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
7245         registers for TARGET_SHMEDIA.
7246         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
7247         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
7248         of GENERAL_REGS and FP_REGS.
7249
7250 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7251
7252         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
7253
7254 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
7255
7256         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
7257         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
7258         are omitted.  Exclude stack_tie insn too.
7259
7260 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
7261
7262         PR rtl-optimization/23098
7263         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
7264         0.0f is easy.
7265         * config/rs6000/rs6000.md (movdf splitter): Use
7266         const_double_operand predicate for TARGET_POWERPC64.
7267         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
7268         SYMBOL_REF method to ABI_V4.
7269
7270         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
7271         replace_equiv_address.
7272         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
7273         rs6000_sr_alias_set and MEM_NOTRAP.
7274         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
7275
7276 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
7277
7278         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
7279         handle CALL_EXPR again.
7280
7281 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7282
7283         * arm/predicates.md (alignable_memory_operand): Delete.
7284
7285 2005-09-10  Richard Henderson  <rth@redhat.com>
7286
7287         PR debug/23806
7288         * dbxout.c (dbxout_expand_expr): New.
7289         (dbxout_symbol): Use it.
7290
7291 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
7292
7293         * arm.c (arm_gen_rotated_half_load): Delete.
7294         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
7295         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
7296         (thumb_set_return_address): Likewise.
7297         (thumb_load_double_from_address): Use adjust_address.
7298         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
7299         (extendhsisi2_mem, movhi_bytes): Use change_address.
7300         (movhi): Use widen_memory_access.
7301         (reload_out_df): Use replace_equiv_address.
7302         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
7303
7304 2005-09-09  Richard Henderson  <rth@redhat.com>
7305
7306         PR debug/20998
7307         * dbxout.c: Include expr.h.
7308         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
7309         (dbxout_symbol): Handle DECL_VALUE_EXPR.
7310         * Makefile.in (dbxout.o): Add EXPR_H.
7311
7312 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
7313
7314         PR tree-optimization/23509
7315         * tree-cfg.c (replace_uses_by): Use replace_exp.
7316         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
7317         pointers have name_mem_tag or type_mem_tag set.
7318
7319 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
7320
7321         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
7322         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
7323         of wrongly accessing operands.
7324
7325 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
7326
7327         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
7328         * tree-chrec.c: Include tree-scalar-evolution.h.
7329         (chrec_convert): Instantiate the base and step before calling
7330         scev_probably_wraps_p that would fail on parametric evolutions.
7331         Collect all the fails into a single section failed_to_convert,
7332         print a diagnostic, and return chrec_dont_know instead of calling
7333         fold_convert.
7334         * tree-scalar-evolution.c (loop_closed_phi_def): New.
7335         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
7336         phi nodes.
7337         (scev_const_prop): Don't replace the definition of a loop closed ssa
7338         phi node by itself, or by another loop closed ssa phi node.
7339         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
7340         that base and step are defined.
7341
7342 2005-09-09  Richard Guenther  <rguenther@suse.de>
7343
7344         PR c++/23624
7345         * fold-const.c (fold_ternary): Check truth_value_p before
7346         calling invert_truthvalue.
7347
7348 2005-09-09  Nick Clifton  <nickc@redhat.com>
7349
7350         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
7351         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
7352         dimension of these arrays.
7353         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
7354         these arrays.
7355         * longlong.h: Only provide a prototype for the __clz_tab[] array
7356         if this header has not been included from libgcc2.h.
7357         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
7358         defining own types.
7359         Provide prototypes for exported functions.
7360         Use the __clz_tab[] and __popcount_tab[] arrays provided by
7361         libgcc2.c.
7362
7363 2005-09-08  Josh Conner  <jconner@apple.com>
7364
7365         PR c++/21135
7366         PR c++/23180
7367         * expr.c (expand_expr_addr_expr_1): Don't invoke
7368         expand_simple_binop for EXPAND_INITIALIZER.
7369
7370 2005-09-08  Richard Henderson  <rth@redhat.com>
7371
7372         PR debug/23190
7373         * toplev.c (wrapup_global_declaration_1): Split out ...
7374         (wrapup_global_declaration_2): ... from ...
7375         (wrapup_global_declarations): ... here.  Return bool.
7376         (check_global_declaration_1): Split out ...
7377         (check_global_declarations): from here.
7378         (emit_debug_global_declarations): New.
7379         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
7380         check_global_declaration_1, emit_debug_global_declarations): Declare.
7381         * c-decl.c (c_write_global_declarations_1): Don't create a vector
7382         of decls.  Call wrapup_global_declaration_1,
7383         wrapup_global_declaration_2, check_global_declaration_1 directly.
7384         (c_write_global_declarations_2): New.
7385         (ext_block): New.
7386         (c_write_global_declarations): Call c_write_global_declarations_2.
7387         * langhooks.c (write_global_declarations): Call
7388         emit_debug_global_declarations.
7389
7390         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
7391         remove decls that have DECL_RTL_SET_P.
7392         * passes.c (rest_of_decl_compilation): Invoke
7393         cgraph_varpool_finalize_decl for all but functions.
7394
7395 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7396
7397         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
7398         the result of a conversion if the new min and max cannot be compared.
7399
7400 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
7401
7402         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
7403         (override_options): Setting s390_sr_alias_set removed.
7404         (save_fpr, save_gprs): Set alias set to vararg or frame.
7405         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
7406         s390_sr_alias_set with get_frame_alias_set ().
7407         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
7408         get_varargs_alias_set ().
7409
7410 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
7411
7412         PR objc/20574
7413         PR objc/19324
7414         * c-parser.c (c_parser_objc_method_definition): If the next
7415         token is not "{", error out and don't start the function.
7416
7417 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
7418
7419         * tree-vrp.c (extract_range_from_expr): Move the check for non
7420         nullness after the check for gimple invariant.
7421
7422 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7423
7424         * tree.c (host_integerp, tree_low_cst): Correct function comment.
7425
7426 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7427
7428         PR target/23747
7429         * config/m32r.md (movmemsi_internal): Canonicalize order of
7430         operands in PLUS component of template.
7431
7432 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
7433
7434         * reload1.c (fixup_eh_region_note): Remove assertion.
7435         (fixup_abnormal_edges): Reverted removal of call to
7436         find_many_sub_basic_blocks made on 2005-08-31.
7437
7438 2005-09-07  Richard Henderson  <rth@redhat.com>
7439
7440         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
7441         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
7442         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
7443         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
7444         rearrange for better packing.
7445         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
7446         (lookup_cfa_1): Remove inline marker.
7447         (cfa_equal_p): Split out of ...
7448         (def_cfa_1): ... here.  Use INVALID_REGNUM.
7449         (build_cfa_loc): Handle !cfa->indirect.
7450         (frame_pointer_cfa_offset): New.
7451         (dbx_reg_number): Assert register elimination performed; do
7452         leaf register remapping.
7453         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
7454         (eliminate_reg_to_offset): New.
7455         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
7456         for verifiably local stack frame addresses; re-base to CFA.
7457         (mem_loc_descriptor): Remove can_use_fbreg argument.
7458         (concat_loc_descriptor, loc_descriptor): Likewise.
7459         (containing_function_has_frame_base): Remove.
7460         (rtl_for_decl_location): Don't do register elimination or
7461         leaf register remapping here.
7462         (secname_for_decl): Split out from ..
7463         (add_location_or_const_value_attribute): ... here.
7464         (convert_cfa_to_loc_list): New.
7465         (compute_frame_pointer_to_cfa_displacement): New.
7466         (gen_subprogram_die): Use them.
7467         * tree.h (frame_base_decl): Remove.
7468         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
7469         (prologue_stack_adjust): Remove.
7470         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
7471         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
7472         (set_frame_base_location): Remove.
7473         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
7474         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
7475         (vt_add_function_parameters): Don't eliminate_regs.
7476         (vt_initialize): Don't create frame_base_decl.
7477
7478 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7479
7480         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
7481         version of GNU binutils for 4.x and later.
7482
7483 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
7484
7485         * ggc-page.c (ggc_push_context): Remove.
7486         (ggc_pop_context): Likewise.
7487         * ggc.h (ggc_push_context): Remove.
7488         (ggc_pop_context): Likewise.
7489
7490 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7491
7492         PR target/8973
7493         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
7494         returning from an interrupt handler.
7495
7496 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7497
7498         PR target/8972
7499         * config/arc/arc.c (output_shift): Add check for loop count when
7500         optimizing.
7501
7502 2005-09-06  Steven Bosscher  <stevenb@suse.de>
7503
7504         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7505         form manually.
7506         (abs_replacement): Likewise.
7507         (pass_phiopt): Remove TODO_update_ssa.
7508
7509 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
7510
7511         PR c/23075
7512         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7513         if "return with no value, in function returning non-void" warning
7514         has been issued.
7515         * tree-cfg.c (execute_warn_function_return): Don't look at
7516         RETURN_EXPRs with TREE_NO_WARNING set.
7517
7518         PR target/22362
7519         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7520         for internal functions doesn't use registers used by global registers
7521         variables.  Use fewer register parameters if there are global register
7522         variables.
7523
7524 2005-09-06  Olivier Hainque  <hainque@adacore.com>
7525             Eric Botcazou  <ebotcazou@adacore.com>
7526
7527         PR middle-end/14997
7528         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7529         when we would be extracting outside its bit span (bitpos+bitsize
7530         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7531         Ada unchecked conversions.
7532
7533 2005-09-06  Steven Bosscher  <stevenb@suse.de>
7534
7535         * tree-ssa-pre.c (try_look_through_load): New function.
7536         (compute_avail): Use it to try to look through loads for some
7537         more useful expressions.
7538
7539 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7540
7541         * simplify-rtx.c (simplify_binary_operation_1): Correct the
7542         condition for detecting cases like (a&a) and (a^a).
7543
7544 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
7545
7546         * common.opt: Add option ftree-vect-loop-version.
7547         * params.def: Add --param vect-max-version-checks.
7548         * doc/invoke.texi: Document ftree-vect-loop-version and
7549         --param vect-max-version-checks.
7550         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7551         may_misalign_stmts and defines for accessors.
7552         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7553         LOOP_VINFO_MAY_MISALIGN_STMTS.
7554         (destroy_loop_vec_info): VEC_free for
7555         LOOP_VINFO_MAY_MISALIGN_STMTS.
7556         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7557         Update documentation.
7558         (vect_update_misalignment_for_peel): New.
7559         (vect_enhance_data_refs_alignment): Update to choose loop
7560         peeling or loop versioning if appropriate for the (potentially)
7561         unaligned data references in the loop.
7562         (vect_analyze_data_refs_alignment): Remove call to
7563         vect_enhance_data_refs_alignment so the checks can be done
7564         earlier.
7565         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7566         and move up call to vect_analyze_data_refs_alignment.
7567         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7568         (vect_transform_loop): Add call to loop_version.
7569
7570 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
7571
7572         PR rtl-optimization/23098
7573         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7574         * simplify-rtx.c (constant_pool_reference_p): New function.
7575         * rtl.h (constant_pool_reference_p): New prototype.
7576         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7577         constant_pool_reference_p in condition and
7578         avoid_constant_pool_reference in preparation statements.
7579
7580 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
7581
7582         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7583         STRICT_LOW_PART SETs.
7584
7585 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
7586
7587         PR middle-end/21460
7588         * except.c (sjlj_emit_function_enter): Find the function begin
7589         note even when it's not in first basic block.
7590
7591 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
7592
7593         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
7594         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7595         * aclocal.m4: Regenerate.
7596
7597 2005-09-05  DJ Delorie  <dj@redhat.com>
7598
7599         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7600         of macro.
7601
7602 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
7603
7604         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7605         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7606         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7607         Follow spelling conventions.
7608         * doc/invoke.texi: Follow spelling conventions.
7609
7610 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7611
7612         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7613         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7614         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7615
7616 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7617
7618         PR target/23683
7619         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7620         (output_stack_adjust): Use gen_tmp_stack_mem.
7621         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7622         (sh_set_return_address, sh_allocate_initial_value): Likewise.
7623         (sh_get_pr_initial_val): Likewise.
7624         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7625         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
7626         * sh.md (divsi_inv_m0): Use gen_const_mem.
7627         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7628         (movdf_i4+1): Use gen_tmp_stack_mem.
7629         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7630         (fpu_switch+2): Likewise.
7631         (movv4sf_i, movv16sf_i): Use adjust_address.
7632         (symGOT_load): Set MEM_NOTRAP_P bit.
7633
7634 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7635
7636         PR target/23721
7637         * pa.c (emit_move_sequence): Fix typo in last change.
7638
7639 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
7640
7641         PR rtl-optimization/23454
7642         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7643         is true.
7644
7645 2005-09-03  Richard Henderson  <rth@redhat.com>
7646             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7647
7648         PR middle-end/23671
7649         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7650         gen_rtx_MEM.
7651
7652 2005-09-02  Nicolas Pitre <nico@cam.org>
7653
7654         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7655         to bit_count to 32 bits.
7656
7657 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
7658
7659         PR c++/23167
7660         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7661         generating synthetic loads from volatile lvalues.
7662
7663 005-09-02  Nick Clifton  <nickc@redhat.com>
7664
7665         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7666         __ctzhi2, __clzhi2): New functions.
7667
7668 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
7669
7670         PR middle-end/23547
7671         * tree-nested.c (struct var_map_elt): Mark with GTY.
7672         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
7673         var_map_elt.
7674         (lookup_field_for_decl): Allocate new element in GC memory.
7675         (lookup_tramp_for_decl): Likewise.
7676         (convert_nl_goto_reference): Likewise
7677         (create_nesting_tree): Allocate info in GC memory. Likewise for
7678         info->var_map.
7679         (free_nesting_tree): Free with ggc_free instead of free.
7680         (root): New static variable.
7681         (lower_nested_functions): Remove root as local variable.  And zero out
7682         root at the end of the function.
7683
7684 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
7685
7686         PR rtl-optimization/20365
7687         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7688         to short.  New member ix.
7689         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7690         (simplify_plus_minus): Initialize ix members before calling qsort.
7691
7692 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
7693
7694         PR tree-optimization/23626
7695         * tree-cfg.c (replace_uses_by): Clean up eh info.
7696
7697 2005-09-01  DJ Delorie  <dj@redhat.com>
7698
7699         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7700         fprintf.
7701
7702 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
7703
7704         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7705         (rs6000_split_multireg_move): Use replace_equiv_address instead of
7706         gen_rtx_MEM.
7707
7708 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
7709
7710         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
7711         do not issue warning for a variable definition following
7712         a declaration.
7713
7714 2005-09-01  Richard Henderson  <rth@redhat.com>
7715
7716         PR 23668
7717         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7718         conversion to CONST_VECTOR.
7719
7720 2005-09-01  Richard Henderson  <rth@redhat.com>
7721
7722         PR 23676
7723         * reload1.c (reload_as_needed): Check !CALL_P before calling
7724         fixup_eh_region_note.
7725         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7726
7727 2005-09-01  DJ Delorie  <dj@redhat.com>
7728
7729         * varasm.c (output_constant): Let the target resolve
7730         conversions of addresses to non-default pointer sizes.
7731
7732 2005-09-01  Nicolas Pitre <nico@cam.org>
7733
7734         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7735         to alow matching ARM pre-indexed addressing mode.
7736         (arm_override_options): Remove now irrelevant comment.
7737
7738 2005-09-01  Phil Edwards  <phil@codesourcery.com>
7739
7740         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
7741         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
7742         * config/i386/vxworks.h:  Likewise.
7743         * config/i386/t-vxworksae:  New file, for VxWorks AE.
7744         * config/i386/vxworksae.h:  Likewise.
7745
7746 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
7747
7748         PR tree-optimization/23410
7749         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7750         sequence is not wrapping during the first step.
7751
7752 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7753
7754         PR debug/7241
7755         * dwarf2out.c (base_type_die): Compare char_type_node with
7756         TYPE_MAIN_VARIANT (type), not type.
7757
7758 2005-09-01  Richard Guenther  <rguenther@suse.de>
7759
7760         PR tree-optimization/15366
7761         * common.opt: Add -finline-functions-called-once.
7762         Put -fearly-inlining in alphabetically ordered place.
7763         * doc/invoke.texi: Document new option.
7764         * ipa-inline.c (cgraph_decide_inlining): Honour
7765         flag_inline_functions_called_once.
7766
7767 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7768
7769         PR rtl-optimization/23478
7770         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7771         (alloc_qty): Initialize it.
7772         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7773         (combine_regs): Combine also n_throwing_calls_crossed fields.
7774         (find_free_reg): Don't attempt to caller-save pseudos crossing
7775         calls that might throw.
7776         * global.c (struct allocno): Add throwing_calls_crossed field.
7777         (global_alloc): Revert 2005-08-22 change.  Initialize
7778         throwing_calls_crossed.
7779         (find_reg): Don't attempt to caller-save pseudos crossing calls that
7780         might throw.
7781
7782 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
7783
7784         PR target/23649
7785         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7786         (mask64_operand): Reinstate code prior to 2005-06-11 change.
7787         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7788         (and64_2_operand): Tweak to use predicate.
7789         (and_operand): Adjust for mask_operand changes.
7790         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7791         (print_operand): Likewise.
7792         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7793         (mask64_1or2_operand): Delete.
7794         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7795         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7796         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7797         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7798         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7799         (rotldi3_internal4): Likewise.
7800         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7801         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7802         (ashldi3_internal7): Likewise.
7803         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7804         (ashldi3_internal, ashldi3_internal9 split): Likewise.
7805         (anddi3 split): Don't match mask64_operand.
7806         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
7807         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
7808         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
7809         't' splitter predicate.
7810         (movdi_internal64 + 2): Revert 2005-06-11 change.
7811
7812 2005-08-31  DJ Delorie  <dj@redhat.com>
7813
7814         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7815         (m32c_asm_integer): Add support for 32 bit pointers.
7816
7817 2005-08-31  Richard Henderson  <rth@redhat.com>
7818
7819         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7820         component-like references for setting MEM_NOTRAP_P.
7821
7822         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7823         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7824
7825 2005-08-31  Richard Henderson  <rth@redhat.com>
7826
7827         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7828         into a pseudo before applying gen_lowpart.
7829
7830 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
7831
7832         * doc/install.texi (Specific): Update cctools version required
7833         for full functionality.
7834         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7835         linkers as -macosx_version_min.
7836
7837 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
7838
7839         PR target/21255
7840         * sh.c (print_operand, %R and %S): Add handling of floating point
7841         registers, memory, constants and invalid operands.
7842
7843 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
7844
7845         * ipa-pure-const.c: Change dump name.
7846
7847 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7848
7849         PR target/23570
7850         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7851         to "reg_or_0_operand".
7852         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7853
7854 2005-08-31  Dale Johannesen  <dalej@apple.com>
7855
7856         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
7857         loops that count down.
7858
7859 2005-08-31  Richard Henderson  <rth@redhat.com>
7860
7861         PR rtl-opt/23601
7862         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7863         (fixup_eh_region_note): New.
7864         (reload_as_needed): Call it.
7865         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7866         don't call find_many_sub_basic_blocks; call verify_flow_info.
7867         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7868         (keep_stack_depressed): Likewise.
7869         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7870
7871 2005-08-31  Richard Henderson  <rth@redhat.com>
7872
7873         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7874         fp return matching.
7875
7876 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
7877
7878         * expr.c (expand_expr_real_1): Compare size of address
7879         mode to target's address mode size in deciding expansion of
7880         the constant address.
7881
7882 2005-08-31  Richard Guenther  <rguenther@suse.de>
7883
7884         PR middle-end/23477
7885         * expr.c (all_zeros_p): New function.
7886         (expand_expr_real_1): Handle the case of an all-zero
7887         non-addressable constructor separately.
7888
7889 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
7890
7891         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7892         arguments, adjust all callers.
7893         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7894
7895 2005-08-30  Richard Henderson  <rth@redhat.com>
7896
7897         PR target/23630
7898         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7899         whenever the mode sizes match.
7900
7901 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
7902
7903         * calls.c (load_register_parameters): Fix comment typo.
7904         * expr.c (emit_push_insn): Comment formatting.
7905
7906 2005-08-30  Ian Lance Taylor  <ian@airs.com>
7907
7908         * config/i386/x-cygwin (host-cygwin): Change dependency from
7909         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7910
7911 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
7912
7913         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7914         parts of 'vals'.
7915
7916 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
7917
7918         PR middle-end/23408
7919         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7920         call to ggc_collect.
7921
7922 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
7923
7924         PR bootstrap/21268
7925         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7926         beginning.  Remove $(INCLUDES) from all the rules, if following
7927         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7928
7929 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
7930
7931         PR middle-end/23484
7932         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7933         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7934         not constant, but maxlen is, don't set len to maxlen, rather
7935         set maxlen to len if len is a constant.
7936
7937 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
7938
7939         PR tree-optimization/23475
7940         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7941         and counts.
7942
7943 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
7944
7945         Fix PR middle-end/22455
7946
7947         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7948         Checksum only the parts of the tree that exist for the tree code.
7949
7950 2005-08-28  Dale Johannesen  <dalej@apple.com>
7951
7952         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
7953
7954 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
7955
7956         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7957
7958 2005-08-28  Richard Henderson  <rth@redhat.com>
7959
7960         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7961         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7962         of char_type_node.
7963
7964 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
7965
7966         PR ada/23593
7967         * builtins.c (get_memory_rtx): Don't strip nops
7968         in between COMPONENT_REFs.
7969
7970 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
7971
7972         PR middle-end/23463
7973         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7974         types.
7975         (gimplify_modify_expr): Check for zero sized types and gimplify the
7976         rhs and lhs as statements.
7977
7978 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
7979
7980         PR libgcj/23508
7981         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7982         state for return address column of signal frames.
7983
7984 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
7985
7986         PR target/23539
7987         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7988         bytes >= 2 not bytes == 2.
7989         (expand_block_move): Same.
7990
7991 2005-08-27  Richard Guenther  <rguenther@suse.de>
7992
7993         PR target/23575
7994         * config/i386/sse.md (sse2_movsd): Add missing closing
7995         braces.
7996
7997 2005-08-27  Paul Brook  <paul@codesourcery.com>
7998
7999         * genrecog.c (enum decision_type): Add DT_num_insns.
8000         (struct decision_test): Add u.num_insns.
8001         (add_to_sequence): Add DT_num_insns test.
8002         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
8003         (write_cond, debug_decision_2): Ditto.
8004         (change_state): Assume peep2_next_insn never fails.
8005         Remove "afterward" argument.
8006         (write afterward, write_tree): Update to match.
8007         * recog.c (peep2_current_count): New variable.
8008         (peep2_next_insn): Check it.
8009         (peephole2_optimize): Set peep2_current_count.
8010         * recog.h (peep2_current_count): Declare.
8011
8012 2005-08-26  Josh Conner  <jconner@apple.com>
8013
8014         PR middle-end/23584
8015         * ipa-pure-const.c (check_tree): Check for volatile-ness
8016         when considering a dereference.
8017
8018 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
8019
8020         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
8021
8022 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
8023
8024         PR rtl-optimization/23561
8025         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
8026         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
8027         at most LEN bytes long memory fits into the field.
8028         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
8029         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
8030         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
8031
8032 2005-08-26  Richard Henderson  <rth@redhat.com>
8033
8034         PR rtl-opt/23560
8035         * loop.c (biased_biv_may_wrap_p): New.
8036         (maybe_eliminate_biv_1): Use it to suppress non-equality
8037         comparison transformations.  Delete disabled code.
8038
8039 2005-08-26  Ian Lance Taylor  <ian@airs.com>
8040
8041         * combine.c (make_extraction): Avoid reference outside object.
8042
8043 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
8044
8045         * stor-layout.c (finalize_type_size): Restore behaviour for
8046         non-aggregate types to the status quo ante of the patch for
8047         pr 23467.  Document why it matters.
8048
8049 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
8050
8051         PR c/23506
8052         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
8053         array by one element, initialize the BT_LAST element with NULL.
8054
8055 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
8056
8057         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
8058         optimizing for size.
8059         (plus_eqsi): Same.
8060         (compare_plus_eqsi): Same.
8061         (plus_eqsi_compare): Same.
8062         (neg_eq0<mode>): Same.
8063         (neg_eq<mode>): Same.
8064
8065         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
8066         PROCESSOR_POWER4.
8067
8068 2005-08-26  Nick Clifton  <nickc@redhat.com>
8069
8070         * config/v850/v850.c (ep_memory_operand): Return FALSE if
8071         TARGET_EP is not defined.
8072         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
8073         TARGET_EP is enabled.
8074         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
8075         * config/v850/v850.md (save_all_interrupt): Only use the EP
8076         register if TARGET_EP is defined.
8077         (restore_all_interrupt): Likewise.
8078         * config/v850/lib1funcs.asm: Update functions so that the EP
8079         register is only used if __EP__ is defined.
8080
8081 2005-08-26  David Ung  <davidu@mips.com>
8082
8083         * config/mips/mips.c (mips_expand_prologue): Handle case when
8084         generating for MIPS16 and the outgoing argument area is more than
8085         SMALL_OPERAND. Use the frame pointer as temporary to generate the
8086         add instruction.
8087
8088 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
8089
8090         * config/crx/crx.md: Make doloop_end pattern usage controllable
8091         via mloop-nesting=<max-nesting> command line switch. Make sure
8092         the combiner cannot use doloop_end_<mode> in an illegal way.
8093         * config/crx/crx.c: Use regs up to r6 for argument passing.
8094         Refine crx_address_cost (non cst4 displacements are expensive).
8095         * config/crx/crx.opt: Add switch for mloop-nesting=.
8096
8097 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
8098
8099         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
8100         (UNSPEC_MVST): New constant.
8101
8102 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
8103
8104         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
8105         Reject operands containing eliminable registers.
8106         * testsuite/gcc.dg/20050825-1.c: New testcase.
8107
8108 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8109             Jan Hubicka  <jh@suse.cz>
8110
8111         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
8112
8113 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8114
8115         PR tree-optimization/23546
8116         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
8117         and REAL_CST nodes.
8118
8119 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
8120
8121         * params.def (PARAM_MIN_SPEC_PROB): New.
8122         * sched-rgn.c (MIN_PROBABILITY): Delete.
8123         (compute_trg_info): Convert to PARAM_VALUE.
8124         * doc/invoke.texi (param): Document min-spec-prob.
8125
8126 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
8127
8128         * config/darwin.h: define __PIC__
8129         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
8130         TARGET_OS_CPP_BUILTINS macro.
8131
8132 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8133
8134         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
8135         yesterday.
8136
8137 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
8138
8139         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
8140         to duplicate_block.
8141         * cfghooks.c (duplicate_block): Added position where to place
8142         new block as argument.
8143         * cfghooks.h (duplicate_block): Declaration changed.
8144         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
8145         duplicate_block.
8146         * cfglayout.h (copy_bbs): Declaration changed.
8147         * cfgloop.h (loop_version): Declaration changed.
8148         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
8149         position to copy_bbs.
8150         (loop_version): Pass position to duplicate_loop_to_header_edge.
8151         Add place_after argument and position new blocks according to
8152         it.
8153         * modulo-sched.c (sms_schedule): Pass place_after argument
8154         to loop_version.
8155         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
8156         * tree-cfg.c (split_edge_bb_loc): New function.
8157         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
8158         to determine position of new blocks.
8159         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
8160         to loop_version.
8161         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
8162         argument to duplicate_block.
8163         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
8164         Pass position to copy_bbs.
8165
8166 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
8167
8168         * fold-const.c (ptr_difference_const): Use
8169         cst_and_fits_in_hwi instead of host_integerp.
8170
8171 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8172
8173         * config/darwin.c (gen_pic_offset): New.
8174         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
8175         Use it.
8176
8177 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
8178
8179         PR tree-optimization/23486
8180         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
8181
8182 2005-08-23  Phil Edwards  <phil@codesourcery.com>
8183
8184         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
8185         remove use_collect2.
8186         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
8187
8188         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
8189         configuration files to override the default value.
8190
8191         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
8192         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
8193         * config/vx-common.h:  New file, split out from...
8194         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
8195         * config/vxworksae.h:  New file, for VxWorks AE.
8196         * config/vxworks.opt:  New file.
8197         * config/vxlib.c:  Update for VxWorks 6.
8198
8199         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
8200         other MULTILIB_* variables appropriately.
8201         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
8202         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
8203         * config/rs6000/vxworks.h:  Update for VxWorks 6.
8204         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
8205
8206 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
8207
8208         PR target/20799
8209         * config/darwin.c (machopic_select_section): Remove the hack to
8210         mark "::operator new" and "::operator delete" for coalescing
8211         even though they are not weak.
8212
8213 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
8214
8215         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
8216         * configure: Regenerate.
8217
8218 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
8219
8220         PR middle-end/23517
8221         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
8222         between vectors.
8223         * convert.c (convert_to_integer, convert_to_vector): Likewise.
8224         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
8225         Likewise.
8226
8227 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
8228
8229         * config/rs6000/predicates.md (equality_operator): New.
8230         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
8231         comparison with a large constant.
8232
8233 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
8234
8235         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
8236
8237 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
8238
8239         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
8240         registers is even, and we have a hardware double precision fp,
8241         align the buffer.
8242         (sh_gimplify_va_arg_expr): For floating point arguments, consider
8243         size of current argument when checking if argument was passed in
8244         registers.
8245
8246         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
8247
8248         PR middle-end/23467
8249         * stor-layout.c (finalize_type_size): Dont override
8250         existing alignment with a smaller alignment from the mode.
8251
8252 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
8253
8254         * lambda-code.c (lambda_vector_lexico_pos): Moved...
8255         * lambda.h (lambda_vector_lexico_pos): ... here.
8256         * tree-data-ref.c (build_classic_dist_vector): Return false when
8257         the distance vector is lexicographically negative.
8258
8259 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
8260
8261         PR tree-optimization/23511
8262         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
8263         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
8264
8265 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
8266
8267         PR tree-optimization/22043
8268         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
8269         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
8270         If ALLOW_FLEXARR, handle types ending with flexible array member.
8271         Pass false as second argument to recursive count_type_elements calls.
8272         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
8273         argument to count_type_elements call.
8274         * tree-sra.c (decide_block_copy): Likewise.
8275         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
8276         for a constant-sized object, set cleared as well.  Pass true as
8277         second argument to count_type_elements call.
8278
8279 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
8280
8281         PR target/21571
8282         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
8283         from legitimate_small_data_p, and make global.  Update use.
8284         Remove forward declaration.
8285         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
8286         Declare.
8287         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
8288
8289 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
8290
8291         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
8292         of scratch intermediates.
8293         (eq<mode>_compare): Same.
8294         (neg_eq0<mode>): New.
8295         (neg_eq<mode>): Convert to define_insn_and_split.
8296
8297 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
8298
8299         PR target/23070
8300         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
8301         stdarg functions, set/clear the fp marker even when no variable
8302         args are passed.
8303         * config/rs6000/sysv4.opt (mprototype): Describe.
8304
8305 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
8306
8307         PR rtl-optimization/23478
8308         * regs.h (reg_info): Add throw_calls_crossed.
8309         (REG_N_THROWING_CALLS_CROSSED): Define.
8310         * flow.c (allocate_reg_life_data): Initialize
8311         REG_N_THROWING_CALLS_CROSSED.
8312         (propagate_one_insn, attempt_auto_inc): Update
8313         REG_N_THROWING_CALLS_CROSSED.
8314         * global.c (global_alloc): Don't allocate pseudos across
8315         calls that may throw.
8316
8317 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
8318
8319         PR c/18715
8320         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
8321         value is inbetween the range if we did not find an exact match.
8322
8323 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
8324
8325         * doc/invoke.texi (Option Summary): Add ms1 options.
8326         * doc/extend.texi: Document interrupt handler attribute for ms1.
8327         * doc/md.texi: Document ms1 constraints.
8328         * config.gcc: Add ms1-*-elf.
8329         * config/ms1/ms1.h: New.
8330         * config/ms1/ms1.c: New.
8331         * config/ms1/ms1.md: New.
8332         * config/ms1/ms1-protos.h: New.
8333         * config/ms1/ABI.txt: New.
8334         * config/ms1/crti.asm: New.
8335         * config/ms1/crtn.asm: New.
8336         * config/ms1/lib2extra-funcs.c: New.
8337         * config/ms1/t-ms1: New.
8338         * config/ms1/ms1.opt: New.
8339
8340 2005-08-22 Ira Rosen <irar@il.ibm.com>
8341
8342         * config/rs6000/altivec.md (xorv4sf3): New.
8343         (negv4sf2, neg<mode>2): Likewise.
8344
8345 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
8346
8347         PR target/23485
8348         * config/ia64/ia64.md (divsi3): Check divide by zero.
8349         (udivsi3): Likewise.
8350         (divdi3): Likewise.
8351         (udivdi3): Likewise.
8352
8353 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
8354
8355         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
8356         up to elem_bitsize bits, not max_bitsize.
8357
8358 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
8359
8360         PR tree-optimization/23433
8361         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
8362         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
8363
8364 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
8365
8366         PR tree-optimization/23434
8367         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
8368         the iteration bound is not an INTEGER_CST.
8369
8370 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
8371
8372         * tree-vect-transform.c (get_initial_def_for_reduction): Set
8373         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
8374         NULL if need_epilog_adjust is false.
8375         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
8376         Case 3 always peels first itration, not just for PLUS case, and no need
8377         to use scalar_initial_def here. Create an epilog adjustment only if
8378         scalar_initial_def is not NULL.
8379
8380         (vectorizable_reduction): Remove assert.
8381
8382 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
8383
8384         PR target/23485
8385         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
8386         (__moddi3): Likewise.
8387         (__udivdi3): Likewise.
8388         (__umoddi3): Likewise.
8389         (__divsi3): Likewise.
8390         (__modsi3): Likewise.
8391         (__udivsi3): Likewise.
8392         (__umodsi3): Likewise.
8393
8394 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
8395
8396         * tree-pass.h (TDF_GRAPH): Define.
8397         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
8398         * passes.c (finish_optimization_passes): Only call
8399         finish_graph_dump_file if TDF_GRAPH is set.
8400         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
8401         NULL.  Set TDF_GRAPH bit.
8402         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
8403
8404 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
8405
8406         * arm.h (arm_stack_offsets): Add locals_base field.
8407         * arm.c (arm_get_frame_offsets): Compute it.
8408         (thumb_compute_initial_elimination offset): Make the Thumb frame
8409         pointer point to the base of the local variables.
8410         (thumb_expand_prologue): Update accordingly.
8411         (thumb_expand_epilogue): Likewise.
8412
8413         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
8414         mode of clobbered scratch to DImode.  Handle a case that's known to
8415         need this.
8416
8417 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
8418
8419         * config/rs6000/rs6000.md (gt0<mode>): Delete.
8420         (gt0<mode>_compare): Delete.
8421         (neg_gt0<mode>): Delete.
8422
8423 2005-08-19  Eric Christopher  <echristo@apple.com>
8424
8425         * optabs.h: Change CTI_ to COI_.
8426         * optabs.c: Ditto.
8427
8428 2005-08-19  James E Wilson  <wilson@specifix.com>
8429
8430         * builtins.c (expand_builtin_return_addr): Set
8431         current_function_accesses_prior_frames when count != 0.  Use
8432         frame_pointer_rtx when count == 0.
8433         * function.h (struct function): Add accesses_prior_frames field.
8434         (current_function_accesses_prior_frames): Define.
8435         * reload1.c (init_elim_table): Check
8436         current_function_accesses_prior_frames.
8437         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
8438
8439 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8440
8441         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
8442         indicator.  Return true if the flowgraph changed during
8443         cleanup.
8444
8445 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8446
8447         PR 23476
8448         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
8449         conditional expression before testing its value.
8450
8451 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8452
8453         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
8454
8455 2005-08-19  Devang Patel  <dpatel@apple.com>
8456
8457         PR tree-optimization/23048
8458         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
8459         third parameter. Check whether latch is dominated by exit
8460         block or not.
8461         (if_convertible_loop_p): Supply exit block itself to
8462         if_convertible_bb_p.
8463
8464 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8465
8466         PR target/23473
8467         * arm.md (arm_load_pic_register): Change argument to the mask of
8468         saved registers.  Call thumb_find_work_register if we need a
8469         scratch register on Thumb.
8470         (arm_expand_prologue): Pass empty register set to
8471         arm_load_pic_register.
8472         (thumb_expand_prologue): Pass live_regs_mask directly to
8473         arm_load_pic_register.
8474         * arm-protos.h (arm_load_pic_register): Update prototype.
8475
8476 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
8477
8478         * sh.c (find_sole_member): New function.
8479         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
8480         if the record's alignment is larger than the size of its only member.
8481
8482 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8483
8484         PR target/23436
8485         * arm.c (thumb_legitimize_reload_address): New function.
8486         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
8487         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
8488
8489 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
8490
8491         * config/crx/crx.c: Implement crx_decompose_address. Reject
8492         symbolic displacements since CRX register relative adressing
8493         mode can't handle unsigned 32-bit values as displacements.
8494         * config/crx/crx.h: Simplify definitions, remove redundant
8495         parenthesis and obsolete macros.
8496         * config/crx/crx.opt: Add new switch for debugging addresses.
8497         * config/crx/crx-protos.h: Add new declarations for above.
8498
8499 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
8500
8501         PR middle-end/20624
8502         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8503         looking past it.
8504
8505 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8506
8507         * collect2.c (dup2): Delete.
8508         * configure.ac: Don't check for dup2.
8509
8510         * config.in, configure: Regenerate.
8511
8512 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
8513
8514         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8515         record with the type of its only member.
8516
8517 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
8518
8519         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8520         define_insn_and_split.
8521         (plus_ltu<mode>_compare): Same.
8522         (gtu<mode>_compare): Same.
8523         (plus_gtu<mode>_compare): Same.
8524
8525 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
8526
8527         PR tree-optimization/22228
8528         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8529         todo_flags_start.
8530         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8531         are recorded in vect_vnames_to_rename for renaming.
8532         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8533         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8534         in vect_vnames_to_rename.
8535         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8536         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8537
8538 2005-08-18  Jan Hubicka  <jh@suse.cz>
8539
8540         PR c++/22034
8541         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8542         info only for local statics, not for member variables.
8543
8544 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8545
8546         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8547
8548 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8549
8550         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8551
8552 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
8553
8554         PR middle-end/16045
8555         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8556
8557 2005-08-17  James E Wilson  <wilson@specifix.com>
8558
8559         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8560         array size check.
8561
8562 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
8563
8564         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8565         (leu<mode>_compare): Same.
8566         (plus_leu<mode>): Same.
8567         (neg_leu<mode>): Same.
8568         (and_neg_leu<mode): Same.
8569         (ltu<mode>_compare): Same.
8570         (plus_ltu<mode>): Same.
8571         (geu<mode>): Same.
8572         (geu<mode>_compare): Same.
8573         (plus_geu<mode>): Same.
8574         (neg_geu<mode>): Same.
8575         (and_neg_geu<mode>): Same.
8576         (plus_gt<mode>): Same.
8577         (gtu<mode>_compare): Same.
8578         (plus_gtu<mode>): Same.
8579
8580 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
8581
8582         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8583         Move call_table_data to end.  Delete spurious .text.
8584         (callt_save_all_interrupt): Fix comment typo.
8585
8586 2005-08-17  James E Wilson  <wilson@specifix.com>
8587             Kevin Winchester  <winchester@amirix.com>
8588
8589         PR target/21684
8590         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8591
8592 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
8593
8594         PR target/23268
8595         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8596         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8597
8598 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
8599
8600         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8601         record with the type of its only member if the modes don't match.
8602
8603         * varasm.c (decode_reg_name): Skip empty additional register names.
8604
8605 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
8606
8607         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8608         lsm_tmp_name_length): New.
8609         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8610         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8611
8612 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8613             Andreas Krebbel  <krebbel1@de.ibm.com>
8614
8615         * config.gcc: Added z9-109 switch.
8616         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8617         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8618         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8619         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8620         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8621         for "z9_109" cpu attribute.
8622         * config/s390/s390.c (z9_109_cost): New processor cost structure.
8623         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8624         (s390_handle_arch_option): Added z9-109 switch.
8625         (override_options): Set respective cost function for z9-109.
8626         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8627         (legitimate_reload_constant_p): Accept extended immediates.
8628         (print_operand): Three new output modifiers added: k, m and o.
8629         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8630         (s390_output_mi_thunk): Use extended immediate when possible.
8631         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8632         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8633         (CONSTRAINT_LEN): Added length of O constraint.
8634         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8635         * config/s390/s390.md ("cpu"): New value z9_109 added.
8636         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8637         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8638         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8639         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8640         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8641         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8642         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8643         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8644         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8645         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8646         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8647         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8648         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8649         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8650         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8651         immediates.
8652         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8653         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8654         insns for TARGET_EXTIMM.
8655
8656 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8657
8658         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8659
8660 2005-08-17  Nick Clifton  <nickc@redhat.com>
8661
8662         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8663         Call default_encode_section_info.
8664
8665 2005-08-17  Steven Bosscher  <stevenb@suse.de>
8666
8667         PR tree-optimization/21574
8668         * tree-ssa-ccp.c (likely_value): If the right hand side is a
8669         constant, return CONSTANT.
8670         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8671         (ccp_fold, visit_assignment): Likewise.
8672         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8673
8674 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8675
8676         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8677         fold_buildN instead of buildN then fold_initializer or fold.
8678         (build_unary_op): Likewise.
8679         (build_binary_op): Likewise.
8680         * fold-const.c (fold_initializer): Remove.
8681         (fold_build1_initializer): New function.
8682         (fold_build2_initializer): New function.
8683         (fold_build3_initializer): New function.
8684         * tree.h (fold_initializer): Remove.
8685         (fold_build1_initializer): New function.
8686         (fold_build2_initializer): New function.
8687         (fold_build3_initializer): New function.
8688
8689 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8690
8691         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8692         (try_move_mult_to_index): Call fold_build2 instead of build2.
8693         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8694         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8695         fold_binary_to_constant.
8696         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8697         fold (build.
8698         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8699         check if A == gcd (A, B).  Remove TYPE argument.
8700         (analyze_offset) Use fold_build2 instead of fold (build.
8701         (create_data_ref): Likewise.
8702         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8703         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8704         then fold.
8705
8706 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
8707
8708         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8709         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8710
8711 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
8712
8713         PR tree-opt/23402
8714         * gimplify.c (zero_sized_type): New function.
8715         (gimplify_modify_expr_rhs): If we have a zero sized type,
8716         replace the statement with an empty statement.
8717
8718 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
8719
8720         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8721         fxsave.
8722
8723 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8724
8725         * doc/tm.texi (Label Output): Correct typo.
8726
8727 2005-08-16  Steven Bosscher  <stevenb@suse.de>
8728
8729         PR target/23376
8730         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8731         force_operand will work later on using have_insn_for.
8732
8733 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8734
8735         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8736
8737 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8738
8739         PR c++/23337
8740         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8741         vector type, don't try to construct it element by element.  Add an
8742         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8743
8744 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8745
8746         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8747
8748 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
8749
8750         * doc/invoke.texi (Precompiled Headers): Document some more options
8751         which are known to be safe.
8752
8753 2005-08-16  James E Wilson  <wilson@specifix.com>
8754
8755         PR tree-optimization/21105
8756         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8757         TREE_OVERFLOW check.
8758
8759 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
8760
8761         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8762         (neg_ltu<mode>): Same.
8763         (gtu<mode>): Same.
8764         (neg_gtu<mode>): Same.
8765
8766 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8767
8768         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8769         (fold_builtin_isdigit): Use fold_buildN.
8770         (build_function_call_expr): Likewise.
8771         * c-typeck.c (c_finish_loop): Likewise.
8772
8773 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
8774             Richard Shann <rshann@superh.com>
8775
8776         PR middle-end/20396:
8777         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8778
8779 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
8780
8781         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8782
8783 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
8784
8785         PR target/23355
8786         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8787         arm_compure_save_reg0_reg12_mask to determine when the PIC register
8788         must be saved.
8789
8790 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8791
8792         PR middle-end/23369
8793         * fold-const.c (build_range_check): Disable optimization for function
8794         pointer expressions on targets that require function pointer
8795         canonicalization.
8796
8797 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
8798
8799         * simplify-rtx.c (simplify_const_relational_operation): When
8800         extracting arguments of a COMPARE, recompute the mode as well.
8801
8802 2005-08-15  Ian Lance Taylor  <ian@airs.com>
8803
8804         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8805
8806 2005-08-15  DJ Delorie  <dj@redhat.com>
8807
8808         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8809         the stack.
8810         (movsi_splittable): Allow, but split, moves to the stack.
8811         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8812         stack.
8813
8814 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8815
8816         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8817         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8818         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8819
8820         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8821         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8822         Delete HOST_PTR_PRINTF.
8823
8824         * configure, config.in: Regenerate.
8825
8826 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
8827
8828         * config/rs6000/rs6000.md (QHSI): New mode macro.
8829         (wd): Extend mode attr for QImode and HImode
8830         (dbits): New mode attr.
8831         (zero_extend<mode>di2): Convert to mode macro.
8832
8833 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
8834
8835         PR target/21841
8836         * doc/invoke.texi (-mgnu-ld): Update description.
8837         (-mhp-ld): Ditto.
8838
8839 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8840
8841         PR 23391
8842         * Makefile.in (tree-chrec.o): Depends on real.h.
8843         * tree-chrec.c: Include real.h.
8844         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8845         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8846         * tree-scalar-evolution.c (add_to_evolution_1,
8847         interpret_rhs_modify_expr): Ditto.
8848
8849 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8850
8851         PR 23386
8852         * tree-data-ref.c (estimate_niter_from_size_of_data): When
8853         step is negative compute the estimation from init downwards to zero.
8854
8855 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
8856
8857         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8858
8859 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8860
8861         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8862         constraint.
8863         (legitimate_reload_constant_p): Fix handling of lliXX operands.
8864         Accept double-word constants that can be split.
8865         * config/s390/s390.md ("movti"): Use 'P' constraint.
8866         ("*movdi_31", "*movdf_31"): Likewise.
8867
8868 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
8869
8870         Fix PR tree-optimization/22615
8871
8872         * tree-ssa-structalias.c (solution_set_add): Handle
8873         first_vi_for_offset returning NULL.
8874         (do_da_constraint): Ditto.
8875         (do_sd_constraint): Ditto.
8876         (do_ds_constraint): Ditto
8877         (find_func_aliases): Ditto.
8878         (build_constraint_graph): RHS is allowed be ANYTHING.
8879         (first_vi_for_offset): Return NULL if we couldn't find anything at
8880         the offset.
8881
8882 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8883
8884         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8885         over memory as first operand.
8886
8887 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
8888
8889         PR target/23360
8890         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8891         available for setting it.
8892
8893 2005-08-14  Ira Rosen  <irar@il.ibm.com>
8894
8895         PR tree-optimization/23320
8896         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8897         data-refs' types instead of base object nullness. Add check for
8898         pointer type data-refs before first location comparison. Remove
8899         assert.
8900
8901 2005-08-14  Andreas Schwab  <schwab@suse.de>
8902
8903         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8904
8905 2005-08-13  James E Wilson  <wilson@specifix.com>
8906
8907         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8908         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8909         -fstack-protector-all, --param ssp-buffer-size): Document.
8910         (-Wvariadic-macros): Alphabetize.
8911         (-fsched-stalled-insns-dep): Add missing 'f'.
8912
8913         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8914         macros.
8915
8916 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
8917
8918         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8919         or indirect address operand.
8920         (EXTRA_ADDRESS_CONSTRAINT): New.
8921         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8922
8923 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
8924
8925         PR tree-optimization/22236
8926         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8927         successors and predecessors.
8928         * tree-chrec.c (chrec_convert): Before converting, check that
8929         sequences don't wrap.
8930         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8931         (analyze_array): Extern.
8932         (find_data_references_in_loop): Remove call to
8933         compute_estimated_nb_iterations.
8934         * tree-data-ref.h (analyze_array): Declared.
8935         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8936         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8937         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8938         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8939         condition.
8940         * tree-ssa-loop-ivcanon.c: Fix documentation.
8941         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8942         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8943         (infer_loop_bounds_from_undefined): New.
8944         (estimate_numbers_of_iterations_loop): Use
8945         infer_loop_bounds_from_undefined.
8946         (used_in_pointer_arithmetic_p): New.
8947         (scev_probably_wraps_p): Pass an extra parameter.  Call
8948         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
8949         (convert_step): Fix documentation.
8950         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8951         Use initial_condition_in_loop_num and evolution_part_in_loop_num
8952         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
8953         scev_probably_wraps_p.
8954
8955 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
8956
8957         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8958         (s390_register_info): Ignore clobbered_regs information for fixed
8959         registers, and only fixed registers.
8960         (s390_init_frame_layout): Remove redundant call.
8961
8962 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
8963
8964         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8965         description of -Wold-style-casts.
8966
8967 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8968             Jakub Jelinek  <jakub@redhat.com>
8969
8970         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8971         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8972         * config/s390/s390.c (print_operand): New output modifier 'G' added.
8973         (get_thread_pointer): Renamed to s390_get_thread_pointer.
8974         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8975         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8976         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8977         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8978         ("stack_protect_set", "stack_protect_test"): New expanders.
8979         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8980         "stack_protect_testdi"): New insn definitions.
8981
8982 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8983
8984         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8985
8986 2005-08-12  Paul Brook  <paul@codesourcery.com>
8987
8988         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8989
8990 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8991
8992         * config/s390/predicates.md (setmem_operand): New predicate.
8993         (shift_count_operand): Accept ANDs with special constants as
8994         operand.
8995         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8996         with special constants.
8997         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8998         shift_count_operand with setmem_operand.
8999
9000 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
9001
9002         * config/s390/s390.c (s390_extract_part, s390_single_part):
9003         Type cast added.
9004         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
9005         (s390_output_mi_thunk): Don't use lg on 31 bit.
9006         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
9007         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
9008
9009 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
9010
9011         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
9012         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
9013         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
9014         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
9015         with one of the new macros.
9016
9017 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
9018
9019         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
9020         Don't set save_return_addr_p.
9021         (s390_register_info): Make clobbered_regs not depending on
9022         save_return_addr_p.
9023
9024 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
9025
9026         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
9027         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
9028
9029 2005-08-11  James E. Wilson  <wilson@specifix.com>
9030
9031         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
9032
9033 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
9034
9035         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
9036         locations gathered by var-tracking in single entry loc_list
9037         over loc_descriptor_from_tree.
9038
9039         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
9040         pass it down to loc_descriptor.
9041         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
9042         (containing_function_has_frame_base): Move earlier in the file.
9043         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
9044         instead of always assuming fbreg can't be used.
9045
9046 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
9047
9048         * config/rs6000/altivec.md: Change constraint "m" to "Z".
9049         * config/rs6000/predicates.md (indexed_or_indirect_operand):
9050         Accept address wrapped in AND for Altivec.
9051         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
9052         Strip AND wrapping offset address for Altivec.
9053
9054 2005-08-11  Richard Henderson  <rth@redhat.com>
9055
9056         PR middle-end/23312
9057         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
9058         before using TYPE_IS_SIZETYPE.
9059
9060 2005-08-11  Richard Henderson  <rth@redhat.com>
9061
9062         PR target/22225
9063         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
9064         insn types not present on ev4.
9065         (alphaev5_insn_pipe): Similarly.
9066
9067 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
9068
9069         PR target/23250
9070         * arm.c (arm_override_options): If the user has selected callee-super-
9071         interworking, then enable normal interworking.
9072
9073 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
9074
9075         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
9076         redefinition.
9077
9078 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
9079
9080         * doc/rtl.texi: Fix two typos.
9081
9082 2005-08-11  Richard Guenther  <rguenther@suse.de>
9083
9084         PR target/23289
9085         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
9086         cases where we call to/from functions returning void.
9087
9088 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
9089
9090         PR c++/23225
9091         * tree.c (build_pointer_type_for_mode): Robustify.
9092
9093 2005-08-10  James E Wilson  <wilson@specifix.com>
9094
9095         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
9096         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
9097
9098         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
9099         "cum->".
9100
9101 2005-08-10  Eric Christopher  <echristo@apple.com>
9102
9103         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
9104         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
9105         V2DFmode.
9106
9107 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
9108
9109         PR target/21887
9110         * config/darwin.c (machopic_indirect_data_reference): Use a new register
9111         for the high part when generating dynamic-no-pic code.
9112
9113 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
9114
9115         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
9116         (x86_64-*-linux*): Likewise.
9117
9118         * config/i386/crtfastmath.c: New file.
9119         * config/i386/t-crtfm: Likewise.
9120
9121         * config/i386/linux.h (ENDFILE_SPEC): New.
9122         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
9123
9124         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
9125         crtfastmath.o.
9126
9127 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
9128
9129         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
9130         (vec_shl, vec_shr): Document new operations.
9131         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
9132
9133 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
9134
9135         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
9136         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
9137         change predicate to indexed_or_indirect_address.
9138
9139 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
9140
9141         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
9142         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
9143         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
9144         and __aeabi_uwrite8.
9145         * config/arm/unaligned-funcs.c: New file.
9146         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
9147
9148 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
9149
9150         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
9151         Add dump.
9152         * cfglayout.c (pass_insn_locators_initialize): Add dump.
9153         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
9154         Add dump.
9155         * except.c (pass_convert_to_eh_region_ranges): Add dump.
9156         * final.c (pass_shorten_branches): Add dump.
9157         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
9158         (pass_life): Rename dump.
9159         (rest_of_handle_flow2): Remove initial verify_flow_info.
9160         * function.c (pass_instantiate_virtual_regs): Add dump.
9161         * integrate.c (pass_initial_value_sets): Add dump.
9162         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
9163         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
9164         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
9165         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
9166         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
9167         gate_rtl_unrool_and_peel_loops): New.
9168         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
9169         rtl_doloop): Do not look at flags.
9170         * mode-switching.c (pass_mode_switching): Add dump.
9171         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
9172         pass_split_before_regstack): Add dump.
9173         * regmove.c (pass_stack_adjustments): Add dump.
9174         * tree-optimize.c (pass_fixup_cfg): Add dump.
9175
9176 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9177
9178         PR 23309
9179         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
9180         deciding which instruction sequence to use.
9181
9182 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
9183
9184         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
9185         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
9186
9187 2005-08-09  Richard Guenther  <rguenther@suse.de>
9188
9189         * c-common.c (builtin_function_2): Remove.
9190         (def_builtin_1): New function.
9191         (c_common_nodes_and_builtins): Use def_builtin_1 to
9192         build builtin functions.
9193
9194 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
9195
9196         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
9197         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9198         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
9199         Visual DSP.
9200
9201 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
9202
9203         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
9204         fold_binary instead of fold_build2 since we don't care about the
9205         resulting tree.
9206         (loop_niter_by_eval): Likewise.
9207         (compare_trees): Likewise.
9208         (proved_non_wrapping_p): Likewise.
9209
9210 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
9211
9212         PR c/23161
9213         PR c/23165
9214         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
9215         if the if is really empty.
9216
9217 2005-08-09  Steven Bosscher  <stevenb@suse.de>
9218
9219         PR tree-optimization/23234
9220         * tree-ssa-math-opts.c (place_reciprocal): New enum.
9221         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
9222         argument of the new enum.
9223         (execute_cse_reciprocals): Add reciprocals for function arguments
9224         on the unique successor edge of the entry block.  Update other calls
9225         to execute_cse_reciprocals_1.
9226
9227 2005-08-08  Richard Henderson  <rth@redhat.com>
9228
9229         PR 22439
9230         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
9231
9232 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
9233
9234         * expr.c (write_complex_part): Return after handling MEM.
9235
9236 2005-08-08  Josh Conner  <jconner@apple.com>
9237
9238         PR rtl-optimization/23241
9239         * combine.c (simplify_comparison): Fix error in determining
9240         whether to lift a subreg from comparison.
9241
9242 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
9243
9244         PR target/18506
9245         * config/rs6000/altivec.md (vec_init<mode>): New.
9246         (vec_set<mode>): New.
9247         (vec_extract<mode>): New.
9248         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
9249         (rs6000_expand_vector_set): New.
9250         (rs6000_expand_vector_extract): New.
9251         (rs6000_legitimate_offset_address_p): Offset addresses are valid
9252         for Altivec modes before reload.
9253         (altivec_expand_vec_init_builtin): New.
9254         (get_element_number): New.
9255         (altivec_expand_vec_set_builtin): New.
9256         (altivec_expand_vec_ext_builtin): New.
9257         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
9258         builtins.
9259         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
9260         builtins.
9261         * config/rs6000/rs6000.h (rs6000_builtins): Add
9262         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
9263         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
9264         * config/rs6000/rs6000-protos.h: Declare new functions.
9265
9266 2005-08-08  Jan Hubicka  <jh@suse.cz>
9267
9268         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
9269         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
9270         * i386.md (movdi*): Use pic_32bit_operand.
9271         * predicates.md (pic_32bit_operand): New.
9272
9273 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
9274
9275         PR c++/21166
9276         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
9277
9278 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
9279
9280         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
9281         (test_for_singularity): Use fold_build2.
9282
9283 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9284
9285         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
9286
9287 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
9288
9289         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9290         (COMMON_ASM_OP) Define.
9291         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
9292         (ix86_encode_section_info): Likewise.
9293         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
9294         SUBTARGET_ENCODE_SECTION_INFO.
9295
9296 2005-08-06  Richard Henderson  <rth@redhat.com>
9297
9298         PR 21894
9299         * tree-nested.c (convert_local_reference): Save and restore val_only
9300         around component_ref and friends.  Clear walk_subtrees by default.
9301
9302 2005-08-06  Peter O'Gorman  <peter@pogma.com>
9303
9304         PR 21366
9305         * gcc.c (process_command): Check the argument to -b has a dash.
9306         * doc/invoke.texi: Update -b and -V docs.
9307
9308 2005-08-06  James E Wilson  <wilson@specifix.com>
9309
9310         * config/mips/cross64.h, config/mips/t-cross64: Delete.
9311
9312 2005-08-06  Michael Matz  <matz@suse.de>
9313
9314         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
9315         member only if only one insn is associated with the value.
9316
9317 2005-08-06  Nick Clifton  <nickc@redhat.com>
9318
9319         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
9320         New define.
9321         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
9322         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
9323         Check symbol flags instead of symbol name mangling.
9324         (xstormy16_asm_output_aligned_common): Likewise.  Also
9325         simplify code since the bss100_section cass is the only case
9326         where the below100 code will be triggered.
9327         (xstormy16_encode_section_info): Encode below100 attribute
9328         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
9329         the name.
9330         (xstormy16_strip_name_encoding): Delete - this function is no
9331         longer needed.
9332         (TARGET_STRIP_NAME_ENCODING): Undefine.
9333         * config/stormy16/stormy16-protos.h: Delete prototype for
9334         xstormy16_strip_name_encoding.
9335
9336 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
9337
9338         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
9339         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
9340         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
9341         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
9342         config/alpha/predicates.md, config/arc/arc.h,
9343         config/arm/arm.h, config/arm/ieee754-df.S,
9344         config/arm/ieee754-sf.S, config/bfin/bfin.c,
9345         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
9346         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
9347         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
9348         config/m68hc11/m68hc11.h, config/mips/mips.c,
9349         config/mips/mips.h, config/mips/openbsd.h,
9350         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
9351         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
9352         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
9353         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
9354         config/sparc/linux.h, config/sparc/linux64.h,
9355         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
9356         doc/extend.texi, doc/gcov.texi, doc/install.texi,
9357         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
9358         typos.  Follow spelling conventions.
9359
9360 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
9361
9362         PR c/23113
9363         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
9364         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
9365         specially.  Check for side effects only for COND_EXPR.
9366         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
9367         return with TREE_NO_WARNING.
9368
9369 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
9370
9371         PR rtl-optimization/23233
9372         * loop.c (combine_movables): Require the modes to be the same.
9373         (move_movables): Remove handling of cases where the replacement
9374         had a different mode to the original.
9375
9376 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
9377
9378         PR tree-optimization/23128
9379         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
9380         subtraction wrap, and set TREE_OVERFLOW if they do.
9381
9382 2005-08-05  Richard Henderson  <rth@redhat.com>
9383
9384         PR 21728
9385         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
9386         FORCED_LABEL labels.
9387
9388 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
9389
9390         PR middle-end/23135
9391         * reload.c (find_reloads_subreg_address): Pass down TYPE
9392         unchanged.  Change all callers except find_reloads_toplev.
9393
9394 2005-08-05  Michael Matz  <matz@suse.de>
9395
9396         * genattrtab.c (current_alternative_string): Remove.
9397         (SIMPLIFY_ALTERNATIVE): Ditto.
9398         (attr_alt_bit_p): Ditto.
9399         (alternative_name): Make const char *.
9400         (evaluate_eq_attr): Remove use of above things.
9401         (simplify_test_exp): Ditto.
9402         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
9403         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
9404
9405 2005-08-04  James E Wilson  <wilson@specifix.com>
9406
9407         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
9408         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
9409         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
9410         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
9411         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
9412
9413 2005-08-04  Richard Henderson  <rth@redhat.com>
9414
9415         PR 21529
9416         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
9417         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
9418         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
9419         if we'd have to instantiate too many members.
9420
9421 2005-08-04  Richard Henderson  <rth@redhat.com>
9422
9423         PR 21291
9424         * tree-outof-ssa.c (coalesce_asm_operands): New.
9425         (coalesce_ssa_name): Use it.  Split out ...
9426         (coalesce_phi_operands, coalesce_result_decls): ... these.
9427
9428 2005-08-04  Paul Brook  <paul@codesourcery.com>
9429
9430         * read-rtl.c (read_quoted_string): Break if EOF.
9431
9432 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
9433
9434         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
9435         (fold_build2): Likewise.
9436         (fold_build3): Likewise.
9437         (fold_build1_stat): New function prototype.
9438         (fold_build2_stat): Likewise.
9439         (fold_build3_stat): Likewise.
9440         * fold-const.c (fold_build1): Rename to ..
9441         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9442         through to build1_stat.
9443         (fold_build2): Rename to ..
9444         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9445         through to build2_stat.
9446         (fold_build3): Rename to ..
9447         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9448         through to build3_stat.
9449
9450 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
9451             Ian Lance Taylor  <ian@airs.com>
9452
9453         * function.c (assign_stack_local_1): Do not correct stack slot
9454         address if allocation size is smaller than mode size.
9455
9456 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
9457
9458         PR 22037
9459         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
9460         (tree_merge_blocks): Propagate anything allowed by
9461         may_propagate_copy.
9462         Clarify documentation.
9463         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
9464         SSA form, schedule an update if necessary.
9465
9466 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
9467
9468         * doc/install.texi (Binaries): Remove broken link to
9469         Sinix/Reliant Unix binaries.
9470
9471 2005-08-03  Richard Henderson  <rth@redhat.com>
9472
9473         PR 23221
9474         * function.c (stack_protect_epilogue): Export.
9475         * tree.h (stack_protect_epilogue): Declare.
9476         * calls.c (expand_call): Call it.
9477
9478 2005-08-03  Eric Christopher  <echristo@apple.com>
9479
9480         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
9481         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
9482         spec.
9483
9484 2005-08-04  Jan Hubicka  <jh@suse.cz>
9485
9486         * profile.c (branch_prob): Split edges with goto locus on them
9487         to get proper line counts.
9488         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
9489
9490 2005-08-03  Paul Brook  <paul@codesourcery.com>
9491
9492         * function.c (assign_parms): Round current_function_args_size
9493         to PARM_BOUNDARY, not STACK_BOUNDARY.
9494
9495 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
9496
9497         * config/i386/i386.c (x86_elf_aligned_common)
9498         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
9499
9500 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
9501
9502         PR tree-optimization/23157
9503         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
9504         before emitting them.
9505
9506 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9507
9508         PR tree-optimization/19899
9509         * Makefile.in (tree-scalar-evolution.o): Add real.h.
9510         * tree-scalar-evolution.c: Include real.h.
9511         (add_to_evolution): Build constant -1 of correct type.
9512
9513 2005-08-03  Jan Hubicka  <jh@suse.cz>
9514
9515         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9516         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9517         profile updating for complette unrolling.
9518         * loop-unroll.c (peel_loop_completely): Use it.
9519         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9520         (tree_unroll_loops_completely): Disable code growing unrolling of cold
9521         loops.
9522
9523 2005-08-03  Paul Brook  <paul@codesourcery.com>
9524
9525         * combine.c (can_change_dest_mode): New function.
9526         (try_combine, simplify_set): Use it.
9527
9528 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
9529
9530         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9531         TFmode to BLKmode.
9532
9533 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
9534
9535         * doc/install.texi (Specific): Adjust link to openavr.org.
9536         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9537         (Binaries): Adjust HP-UX Porting Center link.
9538         (Binaries): Adjust Free Software Foundation ordering link.
9539
9540 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
9541
9542         * convert.c (convert_to_integer): Use fold_build1 instead of
9543         build1 when converting an integer to an integer.
9544
9545 2005-08-02  Richard Henderson  <rth@redhat.com>
9546
9547         * combine.c (combine_instructions): Don't use reg_equal/equiv
9548         results if the mode doesn't match.
9549
9550 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
9551
9552         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9553         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9554
9555 2005-08-02  Richard Henderson  <rth@redhat.com>
9556
9557         PR 23196
9558         * explow.c (memory_address): Remove special-case for
9559         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9560
9561 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
9562
9563         PR 23164
9564         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9565         number of calls to cleanup_tree_cfg_1.
9566
9567 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
9568
9569         * doc/invoke.texi: document file extensions .F90 and .F95
9570
9571 2005-08-02  Richard Guenther  <rguenther@suse.de>
9572
9573         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9574         positive if its first argument is positive.
9575
9576 2005-08-02  Richard Guenther  <rguenther@suse.de>
9577
9578         PR tree-optimization/23177
9579         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9580         on TMR_TAG.
9581
9582 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
9583
9584         PR tree-optimization/23129
9585         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9586         varying for divisions with anti-ranges.
9587
9588 2005-08-02  Jan Hubicka  <jh@suse.cz>
9589
9590         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9591         * tree-ssa-threadupdate.c (thread_block): Add it here.
9592
9593 2005-08-01  James E Wilson  <wilson@specifix.com>
9594
9595         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9596         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9597         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9598         New.
9599         * config/mips/predicates.md (const_call_insn_operand): Add check for
9600         SYMBOL_REF_LONG_CALL_P.
9601         * doc/extend.texi (long_call): Document the new attribute.
9602
9603 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9604             Richard Henderson  <rth@redhat.com>
9605
9606         * Makefile.in (RTL_BASE_H): Add real.h.
9607         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9608         instead of memcpy.
9609         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9610         directly.
9611         * rtl.c (rtl_check_failed_code_mode): New.
9612         * rtl.h (struct rtx_def): Add u.rv.
9613         (XCMWINT, XCNMPRV): New.
9614         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9615         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9616
9617 2005-08-01  Richard Henderson  <rth@redhat.com>
9618
9619         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9620         with auto-inc codes.
9621
9622         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9623
9624 2005-08-01  Jan Hubicka  <jh@suse.cz>
9625
9626         * i386-protos.h (asm_preferred_eh_data_format): Declare.
9627         * i386.c: Include dwarf2.h
9628         (asm_preferred_eh_data_format): New.
9629         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9630
9631 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9632
9633         * config/host-linux.c (linux_gt_pch_get_address): Add new name
9634         randomize_va_space for virtual address randomization control.
9635
9636 2005-08-01  Steven Bosscher  <stevenb@suse.de>
9637
9638         * common.opt (flag_ipa_cp): Put in right place to maintain
9639         alphabetic sort.
9640
9641 2005-08-01  Jan Hubicka  <jh@suse.cz>
9642
9643         * profile.c (compute_value_histograms): Fix thinko.
9644         * value-prof.c: Include toplev.h
9645         (check_counter): New function.
9646         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9647         tree_mod_subtract_transform): Add sanity check.
9648
9649 2005-08-01  Richard Guenther  <rguenther@suse.de>
9650
9651         PR tree-optimization/23133
9652         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9653         current functions parameter decls to find defs to cse
9654         reciprocals of.
9655
9656 2005-08-01  Richard Guenther  <rguenther@suse.de>
9657
9658         PR tree-optimization/23109
9659         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9660         If trapping math is in effect, use post-dominator information
9661         to check if we'd in any case reach a trapping point before
9662         doing the reciprocal insertion.
9663         (execute_cse_reciprocals): Compute post-dominators, if necessary.
9664         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9665         expressions are invariant only if trapping math is not in effect.
9666
9667 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9668
9669         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9670         cgraph_function_versioning): New declarations.
9671         * cgraphunit.c: Add include to ipa-prop.h.
9672         (update_call_expr, cgraph_copy_node_for_versioning,
9673         cgraph_function_versioning): New functions.
9674         * integrate.c (copy_decl_for_inlining): Remove.
9675         * ipa-prop.h (ipa_replace_map): New struct.
9676         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9677         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9678         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9679         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9680         ipcp_iterate_stage, ipcp_method_scale_print,
9681         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9682         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9683         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9684         ipcp_update_bb_counts, ipcp_update_profiling,
9685         ipcp_update_edges_counts): New functions.
9686         (ipcp_method_cval_init): Remove restriction regarding local methods.
9687         (ipcp_init_stage): Add ipcp_method_compute_scale.
9688         (ipcp_insert_stage): Add versioning.
9689         (ipcp_structures_print): Add ipcp_method_scale_print.
9690         (ipcp_driver): Dump profiling info.
9691         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9692         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9693         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9694         (struct inline_data): Add versioning_p, ipa_info, new fields.
9695         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9696         declare_return_variable): Replace calls to copy_decl_for_inlining with
9697         copy_decl_for_dup.
9698         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9699         versioning support.
9700         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9701         Add argument VERSIONING.
9702         (copy_arguments_for_versioning, copy_static_chain,
9703         function_versionable_p, tree_versionable_function_p,
9704         tree_function_versioning, replace_ref_tree): New functions.
9705         * tree-inline.h: Include varray.h.
9706         (tree_versionable_function_p,  tree_function_versioning,
9707         tree copy_decl_for_dup): New declarations.
9708
9709 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9710
9711         * ipa-cp.c: New file. Contains IPCP specific functionality.
9712         * ipa-prop.h: New file. Contains structures/definitions that can be
9713         used by several interprocedural data flow optimizations (and also IPCP).
9714         * ipa-prop.c: New file.
9715         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9716         * common.opt: Add ipa-cp flag.
9717         * timevar.def: Add IPCP optimization.
9718         * tree-optimize.c (init_tree_optimization_passes): Schedule
9719         pass_ipa_cp.
9720         * tree-pass.h (pass_ipa_cp): Declare.
9721
9722 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
9723
9724         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9725         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9726         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9727         config/i386/i386.c, config/mips/mips.h,
9728         config/rs6000/rs6000.h, config/sh/sh.c,
9729         config/stormy16/stormy16.c: Fix comment typos.
9730
9731 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
9732
9733         PR c/22311
9734         * c-typeck.c (build_binary_op): Use common_type wrapper on
9735         shortened types.
9736         (common_type): Update comment.
9737
9738 2005-07-31  Steven Bosscher  <stevenb@suse.de>
9739
9740         PR target/23095
9741         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9742         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9743         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9744
9745 2005-07-31  Jan Hubicka  <jh@suse.cz>
9746
9747         * pretty-print.h (pp_widest_integer): New macro.
9748         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9749         counts.
9750
9751 2005-07-31  Jan Hubicka  <jh@suse.cz>
9752
9753         * output.h (enum section_category): Export from varasm.c
9754         (categorize_decl_for_section): Likewise.
9755         * varasm.c (enum section_category): Kill.
9756         (categorize_decl_for_section): Make global.
9757         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9758         Declare.
9759         * i386.c (ix86_section_threshold): New static variable.
9760         (ix86_in_large_data_p, ix86_encode_section_info,
9761         x86_64_elf_unique_section,
9762         x86_64_elf_select_section): New functions.
9763         (TARGET_ENCODE_SECTION_INFO): Define
9764         (override_options): Enable medium model for PIC.
9765         (ix86_expand_prologue): Expand gen_set_got_rex64.
9766         (legitimate_constant_p): Handle new UNSPECs.
9767         (legitimate_pic_address_disp_p): Likewise.
9768         (legitimize_pic_address): Lower MEDIUM model addressing.
9769         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9770         (enum cmodel): Add MEDIUM_PIC.
9771         (SYMBOL_REF_FAR_ADDR_P): New macro.
9772         (SYMBOL_FLAG_FAR_ADDR): New flag.
9773         * i386.md (movdi): Support medium model.
9774         (set_got_rex64): New pattern.
9775         * i386.opt (mlarge-data-threshold): New flag.
9776         * predicates.md (zext_operand/sext_operand): Deal with medium model.
9777         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9778         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9779         TARGET_ASM_UNIQUE_SECTION): New.
9780
9781         * invoke.texi (-mlarge_data_threshold): Document
9782
9783 2005-07-31  Jan Hubicka  <jh@suse.cz>
9784
9785         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9786         (coalesce_vars): Likewise.
9787         * tree-ssa-live.c (coalesce_cost): New.
9788         (build_tree_conflict_graph): Use coalesce_cost.
9789         * tree-ssa-live.h (coalesce_cost): Declare.
9790
9791 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
9792
9793         * arm.md (all peepholes for post-increment operations): Delete.
9794         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9795         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9796         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9797         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9798         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9799
9800 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
9801
9802         * fold-const.c (tree_expr_nonnegative_p): Always return true for
9803         non-integral types.
9804
9805 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
9806
9807         PR target/22582
9808         * doc/invoke.texi: Document -rdynamic.
9809
9810 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
9811
9812         PR c/23143
9813         * c-parser.c (c_parser_parms_list_declarator): Call
9814         mark_forward_parm_decls.
9815         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9816         decls with visibility structure.
9817
9818 2005-07-30  Paul Brook  <paul@codesourcery.com>
9819
9820         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9821
9822 2005-07-30  Paul Brook  <paul@codesourcery.com>
9823
9824         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9825         prototype.
9826         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9827         value for mode.
9828         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9829
9830 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9831
9832         PR c/529
9833         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9834         nested function declarators.
9835         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9836         (grokparms): Call warn_if_shadowing for parameters used within the
9837         parameter list.
9838         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9839         not used within the parameter list.
9840         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9841
9842 2005-07-30  Jan Hubicka  <jh@suse.cz>
9843
9844         * expr.c (expand_expr_real_1): Do not load mem targets into register.
9845         * i386.c (ix86_fixup_binary_operands): Likewise.
9846         (ix86_expand_unary_operator): Likewise.
9847         (ix86_expand_fp_absneg_operator): Likewise.
9848         * optabs.c (expand_vec_cond_expr): Validate dest.
9849
9850 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9851
9852         PR c/21720
9853         * real.c (real_from_string): Also set last bit if there is a
9854         nonzero hex digit beyond GCC's internal precision after ".".
9855
9856 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
9857
9858         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9859         define_constants.  Change duplicate values to unassigned numbers.
9860         Change UNSPEC_SUBS to UNSPEC_VSUBS.
9861         (*altivec_vspltsf): New.
9862         (altivec_vperm_v4sf): Delete.
9863         (altivec_vperm_<mode>): Use mode macro V.
9864         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9865         (altivec_predicate_v4sf): Delete.
9866         (altivec_predicate_<mode>): Use mode macro V.
9867         (*altivec_lvesfx): New.
9868         (*altivec_stvesfx): New.
9869         (vec_realign_load_v4sf): Delete.
9870         (vec_realign_load_<mode>): Use mode macro V.
9871         * config/rs6000/rs6000.c (generate_set_vrsave): Use
9872         UNSPECV_SET_VRSAVE.
9873
9874 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
9875
9876         PR bootstrap/23131
9877         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9878         string.
9879         * configure: Regenerated.
9880
9881 2005-07-29  Paul Brook  <paul@codesourcery.com>
9882
9883         * doc/install.texi: Add link to GFortran binaries wiki page.
9884
9885 2005-07-29  David Ung  <davidu@mips.com>
9886
9887         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9888         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9889         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9890         * config/mips/mips.md (cpu): Add 5kf name.
9891         (includes): Includes 5k.md.
9892         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9893         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9894         -march flag.
9895
9896 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9897
9898         PR 22550
9899         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9900         (cleanup_tree_cfg): ... here.
9901         Call cleanup_tree_cfg_1 until there are no more cleanups to
9902         do.
9903
9904 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
9905
9906         * tree-vrp.c (compare_range_with_value): Return true or false
9907         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9908         EQ_EXPR respectively.
9909
9910 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
9911
9912         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9913         Fix comment typos.
9914
9915 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9916
9917         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9918         (tree_ssa_dominator_optimize): Increment it.
9919         (dump_dominator_optimization_stats): Print it.
9920
9921 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
9922             Steven Bosscher  <stevenb@suse.de>
9923
9924         PR rtl-optimization/23117
9925         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9926         when head == tail.  Tidy comment.
9927
9928 2005-07-28  Richard Henderson  <rth@redhat.com>
9929
9930         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9931         * cselib.c (rtx_equal_for_cselib_p): Likewise.
9932         * jump.c (rtx_renumbered_equal_p): Likewise.
9933         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9934         CONST_INT and CONST_DOUBLE.
9935         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9936         * reload.c (operands_match_p): Special case CONST_INT and
9937         CONST_DOUBLE; check mode earlier.
9938
9939 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9940
9941         PR c/22240
9942         * c-typeck.c (convert_for_assignment): Do not check
9943         DECL_IN_SYSTEM_HEADER on NULL fundecl.
9944
9945 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9946
9947         PR c/22192
9948         * c-typeck.c (composite_type): Prefer constant size arrays to
9949         VLAs.
9950
9951 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9952
9953         PR c/21720
9954         * real.c (real_from_string): Set last bit if there is a nonzero
9955         hex digit beyond GCC's internal precision.
9956
9957 2005-07-28  Richard Henderson  <rth@redhat.com>
9958
9959         PR rtl-opt/22619
9960         * cfgcleanup.c (try_forward_edges): Watch out for end of
9961         insn chain.
9962
9963 2005-07-28  James E Wilson  <wilson@specifixinc.com>
9964
9965         PR c/23106
9966         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9967
9968 2005-07-28  Jan Hubicka  <jh@suse.cz>
9969
9970         * Makefile.in (rtl-profile.o): Kill all traces of it.
9971         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9972         * coverage.h (rtl_coverage_counter_ref): Kill.
9973         * opts.c (flag_speculative_prefetching_set): Kill.
9974         (flag_loop_optimize_set): New.
9975         (common_handle_option): Disable loop optimizer when profiling;
9976         do not handle speculative prefetching.
9977         * passes.c (init_optimization_passes): Replace pass_profiling combo
9978         by branch_prob pass.
9979         * profile.c (compute_value_histograms): Update for simplified value
9980         profiles.
9981         (rtl_register_profile_hooks): Kill.
9982         (pass_profiling): Kill.
9983         (rest_of_handle_branch_prob): Do not profile.
9984         * toplev.c (process_options): Remove speculative prefetching.
9985         * toplev.h (flag_tree_based_profiling): Kill.
9986         * tree-profile.c (prepare_instrumented_value,
9987         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9988         tree_gen_one_value_profiler, do_tree_profiling): Update for
9989         simplified datastructures.
9990         * value-prof.c: Add comment that speculative prefetching was dropped;
9991         update rest of file for simplified datastructures.
9992         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9993         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9994         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9995         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9996         rtl_mod_subtract, gen_speculative_prefetch,
9997         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9998         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9999         (gate_handle_value_profile_transformations,
10000         rest_of_handle_value_profile_transformations,
10001         pass_value_profile_transformations): Kill.
10002         * value-prof.h (histogram_value_t): Remove IL based unions.
10003         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
10004         rtl_profile_hooks): Remove hooks.
10005
10006         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
10007
10008         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
10009         (cgraph_clone_node): Likewise.
10010         * cgraph.h (cgraph_clone_edge): Update prototype.
10011         (cgraph_clone_node): Likewise.
10012         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
10013         cgraph_clone_node.
10014         (lookup_recursive_calls): Consider profile.
10015         (cgraph_decide_recursive_inlining): Fix updating; use new
10016         probability argument; use profile.
10017         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
10018         * tree-inline.c (copy_bb): Update clal of clone_edge.
10019         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
10020
10021         * invoke.texi (min-inline-recursive-probability): Document.
10022
10023 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
10024
10025         * doc/install.texi (Configuration): Update Valgrind homepage.
10026
10027 2005-07-28  Richard Henderson  <rth@redhat.com>
10028
10029         PR middle-end/21362
10030         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
10031         labels we want to delete.
10032         (cfg_layout_merge_blocks): Likewise.
10033
10034 2005-07-28  Richard Henderson  <rth@redhat.com>
10035
10036         PR target/17692
10037         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
10038         when expanding to nothing.
10039
10040 2005-07-28  Josh Conner  <jconner@apple.com>
10041
10042         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
10043         (cgraph_decide_inlining_of_small_functions): Likewise.
10044
10045 2005-07-28  Josh Conner  <jconner@apple.com>
10046
10047         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
10048         direction of badness if negative.
10049         (cgraph_default_inline_p): Add reason to parameters, and assign it
10050         a value.
10051         (cgraph_decide_inlining_of_small_functions): New parameter in call
10052         to cgraph_default_inline_p.
10053         (cgraph_decide_inlining_incrementally): Likewise.
10054         * cgraphunit.c (decide_is_function_needed): Likewise.
10055         * cgraph.h (cgraph_default_inline_p): Likewise.
10056
10057 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10058
10059         * builtins.c: Fix comment typo(s).
10060         * genautomata.c: Likewise.
10061         * gimplify.c: Likewise.
10062         * tree-dfa.c: Likewise.
10063         * tree-flow-inline.h: Likewise.
10064         * tree-into-ssa.c: Likewise.
10065         * tree-ssa-alias.c: Likewise.
10066         * tree-ssa-ccp.c: Likewise.
10067         * tree-ssa-copy.c: Likewise.
10068         * tree-ssa-dce.c: Likewise.
10069         * tree-ssa-dom.c: Likewise.
10070         * tree-ssa-operands.c: Likewise.
10071         * tree-tailcall.c: Likewise.
10072         * tree-vectorizer.c: Likewise.
10073         * tree-vrp.c: Likewise.
10074         * tree.c: Likewise.
10075
10076 2005-07-28  Jeff Law  <law@redhat.com>
10077
10078         * tree-vrp.c (test_for_singularity): Extracted from  ...
10079         (simplify_cond_using_ranges): Attempt to simplify a relational
10080         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
10081
10082 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
10083
10084         PR tree-optimization/22506
10085         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
10086         phis whose argument is constant.
10087
10088 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
10089
10090         PR rtl-optimization/18992
10091         Back out this patch:
10092           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
10093           PR optimization/12142
10094           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
10095           uses of the register in the SET_SRC.  Remove unnecessary argument.
10096
10097         Replace it with this:
10098         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
10099         if flag_non_call_exceptions is set and the insn may trap, pass
10100         pc_rtx as dest for recursion.
10101         In SET_SRC part of SET case, if dest is already set, pass it down
10102         unchanged.
10103
10104 2005-07-28  Jan Hubicka  <jh@suse.cz>
10105
10106         * cfg.c (update_bb_profile_for_threading): Use RDIV.
10107         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
10108         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
10109         roundoff errors.
10110         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
10111         profile when available.
10112
10113 2005-07-28  Jan Beulich <jbeulich@novell.com>
10114
10115         * config/ia64/ia64.c (ia64_load_pair_ok): New.
10116         (ia64_print_operand): Describe and handle 'X'.
10117         (ia64_register_move_cost): Also handle FP_REGS.
10118         (ia64_preferred_reload_class): Likewise.
10119         (ia64_secondary_reload_class): Likewise.
10120         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
10121         it. Also check for ITANIUM_CLASS_FLDP.
10122         * config/ia64/ia64.h (FP_REGNO_P): New.
10123         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
10124         (reg_class): Add FP_REGS.
10125         (REG_CLASS_NAMES): Adjust for it.
10126         (REG_CLASS_CONTENTS): Likewise.
10127         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
10128         (REG_CLASS_FROM_LETTER): Handle 'x'.
10129         (CLASS_MAX_NREGS): Handle FP_REGS.
10130         (MEMORY_MOVE_COST): Likewise.
10131         * config/ia64/ia64.md (itanium_class): Add fldp.
10132         (type): Handle fldp.
10133         (movti_internal): More allowable operand combinations. Use ldfp8 when
10134         splitting unnecessary. Remove predicable attribute. Adjust
10135         itanium_class attribute.
10136         (smuldi3_highpart): Remove outdated comment.
10137         (mulditi3, umulditi3, rotlti3): New expanders.
10138         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
10139         (absti2): Disabled new insn for future reference.
10140         Respective new splitters.
10141         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
10142         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
10143         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
10144
10145 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
10146
10147         PR rtl-optimization/23047
10148         * simplify-rtx.c (simplify_const_relational_operation): Respect
10149         flag_wrapv for comparisons with ABS.
10150
10151 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
10152
10153         PR tree-optimization/22493
10154         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
10155         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
10156
10157 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
10158
10159         * config/frv/frv.opt (moptimize-membar): New.
10160
10161         * doc/invoke.texi: Document -moptimize-membar and its inverse.
10162
10163         * config/frv/frv.h: Remove machine_function definition.
10164
10165         * config/frv/frv.c (struct frv_io): New.
10166         (struct machine_function): Moved from frv.h.  Add has_membar_p.
10167         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
10168         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
10169         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
10170         (frv_optimize_membar_global, frv_optimize_membar): New functions.
10171         (frv_reorg): Call frv_optimize_membar when appropriate.
10172         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
10173         (frv_expand_builtin): Adjust calls accordingly.
10174         (frv_io_address_cookie): New function.
10175         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
10176         load or store rather than a special insn.  Add ccnstant address and
10177         io-type operands to the membar.
10178         (frv_ifcvt_modify_tests): Unsign regno.
10179         (frv_ifcvt_modify_tests): Same.
10180
10181         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
10182         UNSPEC_OPTIONAL_MEMBAR constant.
10183         (builtin_read_<mode>): Delete.
10184         (builtin_write_<mode>): Delete.
10185         ("optional_membar_<mode>"): Add operand.
10186
10187         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
10188         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
10189         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
10190         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
10191         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
10192         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
10193         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
10194         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
10195         * testsuite/gcc.target/frv/all-read-write-1.c: New.
10196
10197 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
10198
10199         * df.c (df_uses_record): Handle SCRATCH.
10200
10201 2005-07-28  Steven Bosscher  <stevenb@suse.de>
10202
10203         PR debug/20161
10204         * passes.c (rest_of_decl_compilation): If decl is a type and
10205         we have encountered errors, don't emit debug information.
10206
10207 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
10208
10209         * params.def: Fixed comment.
10210
10211 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
10212
10213         PR target/19885
10214         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
10215         (TARGET_ASM_UNALIGNED_HI_OP): Add.
10216         (TARGET_ASM_UNALIGNED_SI_OP): Add.
10217
10218 2005-07-27  Steven Bosscher  <stevenb@suse.de>
10219
10220         PR c++/22003
10221         * varasm.c (assemble_start_function): Don't do anything that may
10222         require a CFG if the current function is a thunk.
10223
10224 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
10225
10226         * doc/install.texi (Prerequisites): Mention that perl is needed
10227         to do export control in libstdc++ targetting Darwin.
10228
10229 2005-07-27  Steven Bosscher  <stevenb@suse.de>
10230
10231         PR rtl-optimization/17808
10232         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
10233         (sched_insns_conditions_mutex_p): Split out from...
10234         (add_dependence): ...here.  But don't call it from here.
10235         (add_dependence_list): Check sched_insns_conditions_mutex_p
10236         before calling add_dependence.
10237         (add_dependence_list_and_free): Likewise.
10238         (fixup_sched_groups): Likewise.
10239         (sched_analyze_1): Likewise.
10240         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
10241         (sched_analyze): Likewise.
10242         (sched_analyze_insn): Likewise.
10243         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
10244         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
10245         dependencies on all COND_EXEC insns to jumps ending basic blocks
10246         when doing intrablock scheduling.
10247         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
10248
10249 2005-07-27  Jeff Law  <law@redhat.com>
10250
10251         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
10252         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
10253         equivalency sets, correctly handle the case were vr0 has an
10254         equivalency set, but vr1 does not.
10255
10256 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
10257
10258         PR tree-optimization/23073
10259         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
10260         vect_print_dump_info before fprintf.
10261
10262 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10263
10264         PR tree-optimize/22348
10265         * tree-ssa-loop-niter.c (number_of_iterations_cond):
10266         Fold the partial computation.
10267
10268 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10269
10270         PR tree-optimization/22325
10271         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
10272         Declare.
10273         * tree-scalar-evolution.c (scev_const_prop): Add generic final
10274         value replacement.
10275         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
10276         (force_var_cost): ... this function.
10277         (compute_phi_arg_on_exit): Export.
10278
10279 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10280
10281         PR tree-optimization/20773
10282         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
10283         edge.
10284
10285 2005-07-27  Richard Guenther  <rguenther@suse.de>
10286
10287         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
10288         Avoid pushing again if current struct contains only
10289         fields we decomposed.
10290
10291 2005-07-27  Jan Hubicka  <jh@suse.cz>
10292
10293         PR tree-optimization/22574
10294         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
10295         not available.
10296
10297         * tree-tailcall.c (decrease_profile): New function.
10298         (eliminate_tail_call): Use it.
10299
10300         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
10301         visibility flags correctly in whole program mode.
10302
10303 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
10304
10305         PR rtl-optimization/22472
10306         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
10307
10308 2005-07-26  Steven Bosscher  <stevenb@suse.de>
10309
10310         PR tree-optimization/22504
10311         * tree-complex.c (expand_complex_addition): Use 'code' instead
10312         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
10313
10314 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
10315
10316         * config.gcc (cpu_type): Add frv case.
10317         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
10318         (supported_defaults): Add fr550 case.
10319
10320 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
10321
10322         PR 22591
10323         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
10324         whether a pointer of type T * may point to objects of type T *.
10325
10326 2005-07-26  DJ Delorie  <dj@redhat.com>
10327
10328         * configure: Regenerate.
10329
10330 2005-07-26  Dale Johannesen  <dalej@apple.com>
10331
10332         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
10333
10334 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
10335
10336         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
10337         Clarify use of "build" in name.
10338
10339 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
10340
10341         * doc/extend.texi (Raw read/write Functions): New section.
10342         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
10343         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
10344         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
10345         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
10346         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
10347         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
10348         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
10349         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
10350         * config/frv/frv.c: Add bdesc_loads global.
10351         Add bdesc_stores global.
10352         (frv_init_builtins): Add support for __builtin_{read/write}*.
10353         (frv_volatile_memref): New.
10354         (frv_expand_load_builtin): New.
10355         (frv_expand_store_builtin): New.
10356         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
10357         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
10358         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
10359         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
10360         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
10361         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
10362         (builtin_read_<mode>): New.
10363         (builtin_write_<mode>): New.
10364         (builtin_write64): New.
10365         (optional_membar_<mode>): New.
10366
10367 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
10368
10369         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
10370         (rather than units) against HOST_BITS_PER_WIDE_INT.
10371
10372 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
10373
10374         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
10375         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
10376         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
10377         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
10378         FSF address.
10379
10380         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
10381         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
10382         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
10383         comment typos.
10384         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
10385
10386 2005-07-26  Richard Guenther  <rguenther@suse.de>
10387
10388         PR tree-optimization/22486
10389         * fold-const.c (fold_unary): Fold away useless component
10390         references of the form (T *)&T.x, if the address
10391         doesn't change.
10392
10393 2005-07-25  James E Wilson  <wilson@specifixinc.com>
10394
10395         * dwarf2out.c (add_call_src_coords_attributes): New.
10396         (gen_inlined_subroutine_die): Call it.
10397         (maybe_emit_file, init_file_table): Add comments.
10398         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
10399         maybe_emit_file.
10400         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
10401         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
10402         * tree.h (BLOCK_SOURCE_LOCATION): New.
10403         (struct tree_block): New field locus.
10404
10405 2005-07-26  Andreas Schwab  <schwab@suse.de>
10406
10407         PR rtl-optimization/23043
10408         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
10409         when allocating a struct unoccr.
10410
10411 2005-07-25  Richard Henderson  <rth@redhat.com>
10412
10413         PR 22626
10414         * tree-complex.c (gate_no_optimization): True if errors.
10415         * Makefile.in (tree-complex.o): Update dependencies.
10416
10417 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
10418
10419         * config/frv/predicates.md (integer_register_operand): Use
10420         GPR_AP_OR_PSEUDO_P.
10421
10422 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
10423
10424         PR tree-opt/22484
10425         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
10426         after fold.
10427         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
10428
10429 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
10430
10431         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
10432         types when flag_unsafe_math_optimizations is true.
10433
10434 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
10435
10436         * gcc.c (option_map): Add --sysroot.
10437         (process_command): Handle --sysroot.
10438         (display_help): Document it.
10439         * doc/cppopts.tex (-isysroot): Document.
10440         * doc/invoke.texi (--sysroot): Document.
10441         * doc/install.texi (--with-build-sysroot): Document.
10442
10443         * Makefile.in (inhibit_libc): New variable.
10444         (INHIBIT_LIBC_CFLAGS): Likewise.
10445         (LIBGCC2_CFLAGS): Include
10446         $(INHIBIT_LIBC_CFLAGS).
10447         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
10448         ($(T)crtbegin.o): Do not use @inhibit_libc@.
10449         ($(T)crtend.o): Likewise.
10450         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
10451         ($(T)crtendS.o): Likewise.
10452         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
10453         ($(T)crtendT.o): Likewise.
10454         (stmp-fixinc): Do not complain about missing headers if
10455         inhibit_libc.
10456         * configure.ac (inhibit_libc): Set it to true/false.
10457         (--with-build-sysroot): New option.  Use it to set
10458         SYSTEM_HEADER_DIR.
10459         * configure: Regenerated.
10460
10461 2005-07-25  Manfred Hollstein  <mh@suse.com>
10462
10463         * calls.c (store_one_arg): Fix unsigned comparison warning.
10464
10465 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
10466
10467         PR other/22337
10468         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
10469         (ggc_print_statistics): Initialize variable before use.
10470
10471 2005-07-25  Richard Guenther  <rguenther@suse.de>
10472
10473         * tree-dfa.c (mark_new_vars_to_rename): Protect against
10474         calling with a PHI_NODE argument.
10475
10476         * tree-flow-inline.h (overlap_subvar): Protect against
10477         possible overflow.
10478
10479 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
10480
10481         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
10482         * configure: Regenerate.
10483
10484 2005-07-25  Ira Rosen  <irar@il.ibm.com>
10485
10486         * expr.c (highest_pow2_factor): Make extern.
10487         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
10488         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
10489         record_array_differ_p, array_ptr_differ_p): Likewise.
10490         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
10491         additional cases. Call the above functions.
10492         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
10493         base_object_differ_p when there are two base objects. Otherwise, compare
10494         base address and offset. Call may_alias_p.
10495         (dump_data_reference): Use a correct field name.
10496         (analyze_array): Make static. Initialize new data-ref fields.
10497         (analyze_indirect_ref): New function.
10498         (init_data_ref): Initialize new data-ref fields.
10499         (strip_conversion): Moved from tree-vect-analyze.c.
10500         (analyze_offset_expr, get_ptr_offset, address_analysis,
10501         object_analysis): Likewise.
10502         (analyze_offset): New function.
10503         (create_data_ref): Likewise.
10504         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10505         dimensions for ARRAY_REFs only.
10506         (build_classic_dist_vector): Make static.
10507         (access_functions_are_affine_or_constant_p): Call macro to get the
10508         address of access functions.
10509         (compute_all_dependences): Add new parameter
10510         compute_self_and_read_read_dependences. Compute self and read-read
10511         dependences if it is true.
10512         (find_data_references_in_loop): Call create_data_ref. Initialize new
10513         data-ref fields.
10514         (compute_data_dependences_for_loop): Add new parameter
10515         compute_self_and_read_read_dependences. Remove parameter nb_loops,
10516         compute nb_loops. Call compute_all_dependences,
10517         build_classic_dist_vector and build_classic_dir_vector with correct
10518         parameters.
10519         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10520         with correct parameters. Compare dimensions for ARRAY_REFs only.
10521         (free_data_refs): Call macro to free access functions.
10522         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10523         fields from stmt_vinfo.
10524         (struct base_object_info): New structure.
10525         (struct data_reference): Move fields to base_object_info. Add fields
10526         first_location and object_info for above structures. Move fields from
10527         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10528         aligned_to.  Add macros to access the new fields.
10529         Update functions declarations.
10530         * tree-flow.h (is_aliased_with): Declare.
10531         * tree-loop-linear.c (linear_transform_loops): Call
10532         compute_data_dependences_for_loop with correct parameters.
10533         * tree-ssa-alias.c (is_aliased_with): New function.
10534         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10535         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10536         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10537         vect_base_addr_differ_p, compute_subscript_distance and
10538         build_classic_dist_vector. Add printings. Check absolute value of
10539         distance.
10540         (vect_analyze_data_ref_dependences): Go through ddrs instead of
10541         data-refs.
10542         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10543         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10544         to bytes. Add printing.
10545         (vect_compute_data_refs_alignment): Go through loads and stores in one
10546         loop.
10547         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10548         vect_analyze_data_ref_access): Likewise.
10549         (vect_analyze_pointer_ref_access): Remove.
10550         (vect_address_analysis, vect_object_analysis): Likewise.
10551         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10552         and analyze data-refs in the loop.
10553         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10554         fields of data-ref instead of stmt. Add init to the offset from the
10555         base.
10556         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10557         (vect_update_init_of_dr): Likewise.
10558         (vect_update_inits_of_drs): Go through loads and stores in one loop.
10559         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10560         removed fields.
10561         (new_loop_vec_info): Initialize new fields.
10562         (destroy_loop_vec_info): Free new fields.
10563         (vect_strip_conversion): Remove.
10564         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10565         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10566         datarefs. Add new field ddrs.
10567         Add macros for the new fields access.
10568         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10569         base_aligned_p, misalignment, memtag, ptr_info and subvars.
10570         Remove their macros.
10571         * tree.h (highest_pow2_factor): Declare.
10572
10573 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
10574
10575         * calls.c (store_one_arg): Check for sibling call MEM arguments
10576         from already clobbered incoming argument area.
10577
10578 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10579
10580         * c-common.c (check_missing_format_attribute): New.
10581         * c-common.h (check_missing_format_attribute): Likewise.
10582         * c-typeck.c (convert_for_assignment): Use it.
10583
10584 2005-07-24  Andreas Schwab  <schwab@suse.de>
10585
10586         * config/m68k/m68k.md ("extendqidi2"): When source is an address
10587         register use a word move.  Correct operand of ext.w in 68000 code.
10588
10589 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
10590
10591         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10592         variables as declarations, rather than definitions.
10593
10594 2005-07-24  Ira Rosen  <irar@il.ibm.com>
10595
10596         PR tree-optimization/22526
10597         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10598         of the zero node.
10599
10600 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
10601
10602         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10603         that C99 reserve for future use. Use it to define clog10,
10604         clog10f and clog10l.
10605
10606 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10607
10608         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10609         * configure.ac: Check for -Wmissing-format-attribute.
10610
10611         * configure: Regenerate.
10612
10613 2005-07-23  Richard Henderson  <rth@redhat.com>
10614
10615         PR tree-optimization/22623
10616         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10617
10618 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
10619
10620         PR target/22577
10621         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10622
10623 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10624
10625         * Makefile.in (C_TREE_H): Update dependencies.
10626         * c-tree.h: Include toplev.h.
10627         * diagnostic.h (diagnostic_set_info): Add format attribute.
10628         * rtl-error.c (diagnostic_for_asm): Likewise.
10629
10630 2005-07-23  Chao-ying Fu  <fu@mips.com>
10631
10632         * config/mips/mips-dsp.md: New file.
10633         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10634         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10635         functions.
10636         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10637         MIPS_BUILTIN_BPOSGE32.
10638         (mips_expand_builtin_direct): Add one parameter to indicate that
10639         builtin functions need to return a value.
10640         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10641         functions.
10642         (mips_regno_to_class): Add classes for 12 new DSP registers.
10643         (mips_subword): Change to check four HI registers.
10644         (mips_output_move): Output move to and from 6 new DSP accumulators.
10645         (override_options): Make sure -mdsp and -mips16 are not used together.
10646         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
10647         for machine modes.
10648         (mips_conditional_register_usage): Disable 6 new DSP accumulators
10649         when !TARGET_DSP.
10650         (print_operand): Add 'q' for printing DSP accumulators.
10651         (mips_cannot_change_mode_class): Check ACC_REGS.
10652         (mips_secondary_reload_class): Check ACC_REGS.
10653         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10654         (mips_register_move_cost): Check ACC_REGS.
10655         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10656         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10657         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10658         (dsp_bdesc): New array.
10659         (bdesc_arrays): Add DSP builtin function table.
10660         (mips_prepare_builtin_arg): Check predicate again after
10661         copy_to_mode_reg.
10662         (mips_expand_builtin): Add one more parameter to
10663         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10664         MIPS_BUILTIN_BPOSGE32.
10665         (mips_init_builtins): Initialize new function types.
10666         (mips_expand_builtin_direct): Check if builtin functions need to
10667         return a value and pass operands properly.
10668         (mips_expand_builtin_bposge): New function.
10669         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10670         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10671         (FIRST_PSEUDO_REGISTER): Increase to 188.
10672         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10673         Update for 12 new DSP registers.
10674         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10675         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10676         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10677         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10678         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10679         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10680         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10681         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10682         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10683         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10684         (REGISTER_NAMES): Add names for 12 new DSP registers.
10685         * config/mips/mips.md: Include mips-dsp.md.
10686         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10687         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10688         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10689         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10690         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10691         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10692         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10693         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10694         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10695         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10696         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10697         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10698         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10699         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10700         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10701         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10702         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10703         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10704         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10705         (UNSPEC_RDDSP): New constants.
10706         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10707         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
10708         A<-d alternative.
10709         * config/mips/mips.opt (-mdsp): New option.
10710         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10711         (reg_imm10_operand): New predicates.
10712         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10713         * doc/invoke.texi (-mdsp): Document new option.
10714
10715 2005-07-22  DJ Delorie  <dj@redhat.com>
10716
10717         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10718         to warning calls.
10719         * tree-inline.c (inlinable_function_p): Likewise.
10720
10721 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
10722
10723         PR debug/21828
10724         * toplev.c (check_global_declarations): Do not mark undefined
10725         variables as DECL_IGNORED_P.
10726         * varasm.c (first_global_object_name): GTY it.
10727         (weak_global_object_name): Likewise.
10728         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10729         a string to go into {weak,first}_global_object_name.
10730
10731 2005-07-22  DJ Delorie  <dj@redhat.com>
10732
10733         * c-format.c (check_function_format): Change warning control
10734         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10735
10736 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
10737
10738         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10739         &PTR->FLD a dereference of PTR.
10740         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10741         a potential dereference of PTR.
10742
10743 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
10744
10745         PR rtl-optimization/20370
10746         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10747         call allocate_reg_info if necessary.
10748
10749         PR rtl-optimization/21848
10750         * calls.c (emit_library_call_value_1): For const functions, add
10751         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10752
10753         PR rtl-optimization/22445
10754         * cselib.c (target.h): Include.
10755         (rtx_equal_for_cselib_p): Allow commutative matches.
10756         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10757         Remove MODE parameter.  Changed all callers.
10758
10759         PR rtl-optimization/22258
10760         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10761         New functions.
10762         (try_combine): Use likely_spilled_retval_p.
10763
10764 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
10765
10766         * config.gcc: Add crx-elf support.
10767
10768         * doc/contrib.texi: Mention crx.
10769         * doc/extend.texi: Document crx extensions.
10770         * doc/install.texi: Document crx install.
10771         * doc/invoke.texi: Document crx options.
10772         * doc/md.texi: Document crx constraints.
10773
10774         * config/crx/crx-protos.h: New file.
10775         * config/crx/crx.c: New file.
10776         * config/crx/crx.h: New file.
10777         * config/crx/crx.md: New file.
10778         * config/crx/crx.opt: New file.
10779         * config/crx/t-crx: New file.
10780
10781 2005-07-22  Manfred Hollstein  <mh@suse.com>
10782
10783         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10784         warnings.
10785         (int_add_graph_edge): Likewise.
10786         (collapse_nodes): Likewise.
10787         (process_unification_queue): Likewise.
10788
10789 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10790             Laurent GUERBY  <laurent@guerby.net>
10791
10792         PR tree-optimization/22336
10793         * function.c (record_block_change): Check for
10794         cfun->ib_boundaries_block.
10795
10796 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
10797
10798         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10799         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10800
10801 2005-07-21  DJ Delorie  <dj@redhat.com>
10802
10803         * toplev.c (warn_deprecated_use): Add warning control to warning
10804         call.
10805         * c-typeck.c (parser_build_binary_op): Likewise.
10806         (c_finish_if_stmt): Likewise.
10807         * c-common.c (check_function_sentinel): Likewise.
10808         (check_nonnull_arg): Likewise.
10809
10810 2005-07-21  Richard Henderson  <rth@redhat.com>
10811
10812         PR tree-opt/22504
10813         * tree-complex.c (complex_ssa_name_components): New.
10814         (cvc_lookup): Allow entry not found.
10815         (create_components): Remove.
10816         (create_one_component_var, get_component_var): New.
10817         (get_component_ssa_name, set_component_ssa_name): New.
10818         (extract_component): Use get_component_ssa_name.
10819         (update_complex_components): Use set_component_ssa_name.
10820         (update_complex_components_on_edge): Likewise.
10821         (update_phi_components): Create new PHI nodes directly, instead
10822         of adding insns to edges.
10823         (tree_lower_complex): Allocate and free complex_variable_components
10824         and complex_ssa_name_components here.
10825
10826 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
10827
10828         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10829         revert to returning false.
10830
10831 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10832
10833         PR target/21149
10834         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10835
10836 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10837
10838         PR target/22576
10839         * config/i386/i386.md (cmpxf): Change operand constraints
10840         to "nonmemory_operand".
10841
10842 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10843
10844         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10845
10846 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10847
10848         PR middle-end/21180
10849         * fold-const.c (fold_build1): Add checksum for the operands.
10850         (fold_build2): Likewise.
10851         (fold_build3): Likewise.
10852
10853 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10854
10855         PR middle-end/19055
10856         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10857
10858 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10859
10860         * common.opt (-fforward-propagate): Committed by mistake,
10861         removed.
10862
10863 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10864
10865         * reg-stack.c: Fix comment typo(s).
10866         * tree-ssa-operands.c: Likewise.
10867         * tree-vectorizer: Likewise.
10868
10869 2005-07-21  Nick Clifton  <nickc@redhat.com>
10870
10871         * config/sh/symbian.c: Replace C++ style line comments with C
10872         style line comments.
10873         (symbian_add_attribute): Do not use a ? operator on the LHS of
10874         an assignment.
10875         (sh_symbian_handle_dll_attribute): Change the type of the
10876         method vector to "VEC(tree,gc)*" and use vector accessor
10877         macros to walk over the elements.
10878         (symbian_export_vtable_and_rtti_p): Likewise.
10879         (symbian_class_needs_attribute_p): Likewise.
10880
10881 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10882
10883         PR target/22085
10884         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10885         initialize targetm.resolve_overloaded_builtin here.
10886         (altivec_expand_overloaded_builtin): Make it non-static.
10887         * config/rs6000/rs6000-protos.h
10888         (altivec_expand_overloaded_builtin): New prototype.
10889         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10890         targetm.resolve_overloaded_builtin here.
10891         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10892
10893 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10894             Zdenek Dvorak  <dvorakz@suse.cz>
10895
10896         PR tree-optimization/19210
10897         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10898         New.
10899         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10900         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10901         rely on unproven assumptions.
10902         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10903         * tree-flow.h (number_of_iterations_exit): Add final parameter.
10904         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10905         to number_of_iterations_exit.
10906         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10907         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10908         * tree-ssa-loop-niter.c (find_loop_niter,
10909         estimate_numbers_of_iterations_loop): Likewise.
10910         (number_of_iterations_exit): Honor the new options.
10911         * doc/invoke.texi (Wunsafe-loop-optimizations,
10912         funsafe-loop-optimizations): Document them.
10913
10914 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
10915
10916         PR rtl-optimization/22167
10917         * gcse.c (hoist_code): Fix hoist_exprs[] check.
10918
10919 2005-07-20  Adam Nemet  <anemet@lnxw.com>
10920
10921         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10922         __do_global_dtors_aux longcall.
10923
10924 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
10925
10926         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10927         (old_special_pred_table): Don't reference
10928         SPECIAL_MODE_PREDICATES.
10929         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10930         * config/arc/arc.h: Don't mention PREDICATE_CODES.
10931         * config/sh/predicates.h: Don't mention
10932         SPECIAL_MODE_PREDICATES.
10933         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10934         Remove.
10935
10936 2005-07-20  DJ Delorie  <dj@redhat.com>
10937
10938         * config.gcc: Add m32c-elf support.
10939
10940         * doc/contrib.texi: Mention m32c.
10941         * doc/extend.texi: Document m32c extensions.
10942         * doc/install.texi: Mention m32c.
10943         * doc/invoke.texi: Document m32c options.
10944         * doc/md.texi: Document m32c constraints.
10945
10946         * config/m32c/addsub.md: New file.
10947         * config/m32c/bitops.md: New file.
10948         * config/m32c/cond.md: New file.
10949         * config/m32c/jump.md: New file.
10950         * config/m32c/m32c-lib1.S: New file.
10951         * config/m32c/m32c-lib2.c: New file.
10952         * config/m32c/m32c-modes.def: New file.
10953         * config/m32c/m32c-pragma.c: New file.
10954         * config/m32c/m32c-protos.h: New file.
10955         * config/m32c/m32c.abi: New file.
10956         * config/m32c/m32c.c: New file.
10957         * config/m32c/m32c.h: New file.
10958         * config/m32c/m32c.md: New file.
10959         * config/m32c/m32c.opt: New file.
10960         * config/m32c/minmax.md: New file.
10961         * config/m32c/mov.md: New file.
10962         * config/m32c/muldiv.md: New file.
10963         * config/m32c/predicates.md: New file.
10964         * config/m32c/prologue.md: New file.
10965         * config/m32c/shift.md: New file.
10966         * config/m32c/t-m32c: New file.
10967
10968 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10969
10970         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10971         (stack_protect_set, stack_protect_test): New expanders.
10972         (stack_protect_set_si, stack_protect_set_si_media,
10973         stack_protect_set_di_media, stack_protect_test_si,
10974         stack_protect_test_si_media, stack_protect_test_di_media):
10975         New insns.
10976
10977 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
10978
10979         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10980
10981 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
10982
10983         * tree.h (tree_expr_nonzero_p): Export.
10984         * fold-const.c (tree_expr_nonzero_p): Likewise.
10985         Return true for CALL_EXPRs that are alloca calls.
10986         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10987         against zero.
10988         * tree-flow.h (expr_computes_nonzero): Remove.
10989         * tree-vrp.c (expr_computes_nonzero): Remove.
10990         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10991         (extract_range_from_unary_expr): Likewise.
10992         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10993         tree_expr_nonzero_p.
10994
10995 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
10996
10997         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10998         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
10999         extra arg "picreg" and use it instead of pic_offset_table_rtx.
11000         All callers changed.
11001         (frame_related_constant_load): New arg "related" which controls
11002         setting of RTX_FRAME_RELATED_P.  All callers changed.
11003         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
11004         (bfin_expand_prologue): Add stack limit checking.
11005         * config/bfin/bfin.md (trapifcc): New pattern.
11006
11007         * config/bfin/bfin.c: Include "langhooks.h".
11008         (def_builtin): Go through lang_hooks to call builtin_function.
11009
11010         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
11011         * config/bfin/predicates.md (symbol_ref_operand): New.
11012         (call_insn_operand): Delete.  All callers changed to use
11013         register_no_elim_operand.
11014         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
11015         call_cookie field.
11016         (function_arg): Use it to generate the call's operand 2.
11017         (bfin_longcall_p): New function.
11018         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
11019         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
11020         determine if the address needs to be in a REG.
11021         (bfin_handle_longcall_attribute): New function.
11022         (bfin_attribute_table): Add "longcall" and "shortcall".
11023         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
11024         (CUMULATIVE_ARGS): New member call_cookie.
11025         (PREDICATE_CODES): Add symbol_ref_operand.
11026         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
11027         extra USE to the pattern.
11028         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
11029         New patterns, split off call_insn, sibcall_insn, call_value_insn and
11030         sibcall_value_insn; now the new patterns handle direct calls and the
11031         old ones indirect calls.
11032         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
11033
11034 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
11035
11036         * doc/trouble.texi: Update section on handling of empty loops.
11037
11038 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
11039
11040         * config.gcc: Remove support for sparc-*-openbsd*,
11041         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
11042         ns32k-*-netbsd*.
11043         * config.host: Remove support for i860-*-sysv4* as a host.
11044         * config/i860/*, config/ip2k/*, config/ns32k/*,
11045         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
11046         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
11047         mention obsolete ports.
11048
11049 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
11050
11051         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
11052         soft frame pointer.
11053         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
11054         of frame_pointer_rtx.
11055         (sh_expand_epilogue): Likewise.
11056         (sh_set_return_address): Likewise.
11057         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
11058         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
11059         offsets from FRAME_POINTER_REGNUM.
11060         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
11061         (sh_register_names): Add initializer for sfp.
11062         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
11063         (VALID_REGISTER_P): Likewise.
11064         (FIRST_PSEUDO_REGISTER): Update.
11065         (DWARF_FRAME_REGISTERS): Define.
11066         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
11067         (HARD_FRAME_POINTER_REGNUM): Define.
11068         (FRAME_POINTER_REGNUM): Redefine.
11069         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
11070         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
11071         from FRAME_POINTER_REGNUM.
11072         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
11073         FRAME_POINTER_REGNUM.
11074         (REG_CLASS_CONTENTS): Add sfp.
11075         (REG_ALLOC_ORDER): Likewise.
11076         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
11077         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
11078         of frame_pointer_rtx.
11079         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
11080
11081 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
11082
11083         * fold-const.c (tree_expr_nonnegative_p): Only return true for
11084         ABS_EXPR when flag_wrapv is false because of INT_MIN.
11085         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
11086         of an ABS_EXPR.
11087         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
11088         ABS_EXPR<x>.
11089
11090 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
11091
11092         Make CONSTRUCTOR use VEC to store initializers.
11093         * c-common.c (complete_array_type): Update to cope with VEC in
11094         CONSTRUCTOR_ELTS.
11095         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
11096         (pp_c_constructor_elts): New function.
11097         * c-pretty-print.h (pp_c_constructor_elts): Declare.
11098         * c-typeck.c (build_function_call, build_c_cast, digest_init,
11099         struct constructor_stack, struct initializer_stack,
11100         constructor_elements, push_init_level, pop_init_level,
11101         add_pending_init, find_init_member, output_init_element): Update to
11102         cope with VEC in CONSTRUCTOR_ELTS.
11103         * coverage.c (build_fn_info_value, build_ctr_info_value,
11104         build_gcov_info): Likewise.
11105         * expr.c (categorize_ctor_elements_1, store_constructor,
11106         expand_expr_real_1): Likewise.
11107         * fold-const.c (fold_ternary): Likewise.
11108         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
11109         gimplify_init_constructor, gimplify_expr): Likewise.
11110         * tree-dump.c (dequeue_and_dump): Likewise.
11111         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
11112         node.
11113         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
11114         CONSTRUCTOR_ELTS.
11115         * tree-sra.c (generate_element_init_1): Likewise.
11116         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
11117         * tree-ssa-operands.c (get_expr_operands): Likewise.
11118         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
11119         * tree-vect-transform.c (vect_get_vec_def_for_operand):
11120         (get_initial_def_for_reduction): Likewise.
11121         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
11122         value handle in annotations.
11123         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
11124         tree_node_structure): Add support for constr_kind.
11125         (build_vector_from_ctor, build_constructor_single,
11126         build_constructor_from_list): New functions.
11127         (build_constructor): Update to take a VEC instead of a TREE_LIST.
11128         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
11129         Update to cope with VEC in CONSTRUCTOR_ELTS.
11130         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
11131         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
11132         CONSTRUCTOR_APPEND_ELT): New macros.
11133         (struct constructor_elt, struct tree_constructor): New data types.
11134         (union tree_node): Add tree_constructor field.
11135         * treestruct.def: Define TS_CONSTRUCTOR.
11136         * varasm.c (const_hash_1, compare_constant, copy_constant,
11137         compute_reloc_for_constant, output_addressed_constants,
11138         initializer_constant_valid_p, output_constant,
11139         array_size_for_constructor, output_constructor): Update to cope with
11140         VEC in CONSTRUCTOR_ELTS.
11141         * vec.h (VEC_empty, VEC_copy): New macros.
11142
11143 2005-07-19  Devang Patel  <dpatel@apple.com>
11144
11145         * dbxout.c (dbxout_type): Check Objective-C++ lang.
11146
11147 2005-07-19  Richard Henderson  <rth@redhat.com>
11148
11149         PR tree-opt/22278
11150         * gimplify.c (gimplify_expr): Use main variant type for the temp
11151         destination for a discarded volatile read.
11152         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
11153         casts between non-void types that change volatility.
11154
11155 2005-07-15  DJ Delorie  <dj@redhat.com>
11156
11157         * toplev.h: Add comment about the first parameter for warning().
11158         * errors.h: Likewise.
11159
11160         * c.opt (Wpragmas): New.
11161         * doc/invoke.texi: Document it.
11162
11163         * function.c (do_warn_unused_parameter): Add warning control to
11164         warning call.
11165         * c-decl.c (warn_if_shadowing): Likewise.
11166         * c-lex.c (cb_def_pragma): Likewise.
11167         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
11168         (pop_alignment): Likewise.
11169         (handle_pragma_pack): Likewise.
11170         (apply_pragma_weak): Likewise.
11171         (handle_pragma_weak): Likewise.
11172         (handle_pragma_redefine_extname): Likewise.
11173         (add_to_renaming_pragma_list): Likewise.
11174         (handle_pragma_extern_prefix): Likewise.
11175         (maybe_apply_renaming_pragma): Likewise.
11176         (handle_pragma_visibility): Likewise.
11177
11178         * config/c4x/c4x-c.c (BAD): Likewise.
11179         (c4x_parse_pragma): Likewise.
11180         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
11181         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
11182         (rs6000_pragma_longcall): Likewise.
11183         * config/v850/v850-c.c (pop_data_area): Likewise.
11184         (ghs_pragma_section): Likewise.
11185         (ghs_pragma_section): Likewise.
11186         (ghs_pragma_interrupt): Likewise.
11187         (ghs_pragma_starttda): Likewise.
11188         (ghs_pragma_startsda): Likewise.
11189         (ghs_pragma_startzda): Likewise.
11190         (ghs_pragma_endtda): Likewise.
11191         (ghs_pragma_endsda): Likewise.
11192         (ghs_pragma_endzda): Likewise.
11193
11194 2005-07-19  Danny Berlin <dberlin@dberlin.org>
11195             Kenneth Zadeck <zadeck@naturalbridge.com>
11196
11197         * Makefile.in: Removed tree-promote-statics.c
11198         * tree-promote-statics.c: Removed.
11199         * common.opt: Removed flag-promote-statics.
11200         * opts.c: Ditto.
11201         * passes.c: Removed tree-promote-statics pass.
11202         * tree-pass.h: Ditto.
11203         * timevar.def: Removed TV_PROMOTE_STATICS.
11204
11205
11206 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
11207
11208         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
11209         and *-*-freebsd9.
11210         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
11211
11212 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11213
11214         PR c/22476
11215         * c-common.c (check_function_arguments): Call
11216         'check_function_format' if either -Wformat or
11217         -Wmissing-format-attribute are specified.
11218         * c-format.c (check_function_format): Check -Wformat before
11219         calling 'check_format_info'.
11220         * c-opts.c (c_common_post_options): Don't warn for
11221         -Wmissing-format-attribute without -Wformat.
11222         * c-typeck.c (convert_for_assignment): Detect additional cases for
11223         -Wmissing-format-attribute.
11224         * doc/invoke.texi (-Wmissing-format-attribute): Document new
11225         behavior.
11226
11227 2005-07-19  Richard Guenther  <rguenther@suse.de>
11228
11229         * config/i386/i386.md (lrint<mode>2): Use temporary
11230         instead of clobbering non-existent memory.
11231
11232 2005-07-19  Nick Clifton  <nickc@redhat.com>
11233
11234         * config/avr/avr.c (legitimate_address_p): Fix debugging print
11235         statement to avoid displaying ASCII control characters.
11236
11237 2005-07-19  Ben Elliston  <bje@au.ibm.com>
11238
11239         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
11240         * cfganal.c (find_edge_index): Ditto.
11241         * combine.c (combine_instructions): Ditto.
11242         * ddg.c (create_scc): Ditto.
11243         (find_successors): Ditto.
11244         (find_predecessors): Ditto.
11245         (find_nodes_on_paths): Ditto.
11246         (longest_simple_path): Ditto.
11247         * flow.c (update_life_info): Ditto.
11248         (count_or_remove_death_notes): Ditto.
11249         (clear_log_links): Ditto.
11250         * modulo-sched.c (generate_reg_moves): Ditto.
11251         (find_max_asap): Ditto.
11252         (find_max_hv_min_mob): Ditto.
11253         (find_max_dv_min_mob): Ditto.
11254         * sbitmap.c (sbitmap_first_set_bit): Ditto.
11255         * sched-rgn.c (extract_edgelst): Ditto.
11256         * tree-into-ssa.c (prepare_names_to_update): Ditto.
11257         (dump_update_ssa): Ditto.
11258         (ssa_names_to_replace) Ditto.
11259         (switch_virtuals_to_full_rewrite): Ditto.
11260         (update_ssa): Ditto.
11261         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
11262
11263 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
11264
11265         Fix PR tree-optimization/22483
11266
11267         * tree-complex.c (create_components): Use
11268         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
11269         * tree-flow-inline.h (fill_referenced_var_vec): New function.
11270         * tree-flow.h (safe_referenced_var_iterator): New structure.
11271         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
11272         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
11273         safe_referenced_var iterator.
11274         (add_type_alias): Ditto.
11275
11276 2005-07-19  Steven Bosscher  <stevenb@suse.de>
11277
11278         * loop-init.c (rest_of_handle_loop2): Remove.
11279         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
11280         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
11281         (pass_rtl_loop_init, pass_rtl_loop_done,
11282         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
11283         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
11284         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
11285         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
11286         pass_tree_loop_done, and pass_tree_unswitch.
11287         (gate_loop): Rename to gate_tree_loop.
11288         * passes.c (init_optimization_passes): Update for renamed tree
11289         loop passes.  Add the new loop2 passes as subpasses of loop2.
11290         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
11291         Update for the renamed tree loop passes.
11292
11293 2005-07-18  Ian Lance Taylor  <ian@airs.com>
11294
11295         PR middle-end/22057
11296         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
11297         blocks when optimizing.
11298
11299 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
11300
11301         * common.opt (frename-registers): Initialize to 2.
11302         (fweb): Ditto.
11303         (fgcse-after-reload): Ditto.
11304         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
11305         (process_options): Only change flag_web, flag_rename_registers,
11306         and flag_rerun_cse_after_loop if not explicitly set by user.
11307
11308 2005-07-18  Jan Beulich  <jbeulich@novell.com>
11309
11310         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
11311         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
11312         in 64-bit mode the same as DImode in 32-bit mode.
11313         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
11314         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
11315         mode. Add new mode parameter.
11316         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
11317         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
11318         x86_64_shift_adj): New expanders.
11319         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
11320         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
11321         insns.
11322         Respective new splitters. Use renamed shift splitter helpers in 32-bit
11323         DImode shift splitters.
11324         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
11325         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
11326         mode parameter.
11327
11328 2005-07-18  Jan Beulich  <jbeulich@novell.com>
11329
11330         * i386.md (movdi_extzv_1): New.
11331         (zero_extendhidi2): Combine alternatives and never force use of
11332         REX64 prefix.
11333         (zero_extendqidi2): Likewise. Don't restrict input selection.
11334
11335 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11336
11337         Fix PR tree-optimization/22531
11338         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
11339          moment.
11340
11341 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11342
11343         * tree-promote-statics.c (pass_promote_statics): Change dump file
11344          name.
11345
11346 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11347
11348         * tree-optimize.c (init_tree_optimization_passes): Add
11349         pass_eliminate_useless_stores pass.
11350         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
11351         * tree-ssa-pre.c (is_copy_stmt): New function.
11352         (follow_copies_till_vuse): Ditto.
11353         (do_eustores): Ditto.
11354         (gate_eustores): Ditto.
11355
11356 2005-07-16  Richard Henderson  <rth@redhat.com>
11357
11358         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
11359
11360 2005-07-16 Danny Berlin <dberlin@dberlin.org>
11361            Kenneth Zadeck <zadeck@naturalbridge.com>
11362
11363         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
11364         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
11365         ipa-type-escape.h, tree-promote-statics.c
11366         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
11367         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
11368         tree-promote-statics.c: new files.
11369         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
11370         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
11371         int nonlocal_set_p, mark_constant_function): Deleted.
11372         (rest_of_handle_cfg): Removed call to mark_constant_function.
11373         (nonoverlapping_component_refs_p): Added calls to support
11374         type based aliasing.
11375         * tree-ssa-alias.c (may_alias_p,
11376         compute_flow_insensitive_aliasing): Ditto.
11377         * calls.c (flags_from_decl_or_type): Removed reference to
11378         cgraph_rtl_info.
11379         * c-typeck.c (convert_arguments): Make builtins tolerant of having
11380         too many arguments.  This is necessary for Spec 2000.
11381         * cgraph.h (const_function, pure_function): Removed.
11382         * common.opt: Added "fipa-pure-const", "fipa-reference",
11383         "fipa-type-escape", and "ftree-promote-static".
11384         * opts.c: Ditto.
11385         * passes.c: Added ipa and tree-promote-statics passes.
11386         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
11387         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
11388         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
11389         * tree-flow.h: Added exposed sra calls and addition of
11390         reference_vars_info field for FUNCTION_DECLS.
11391         * tree-pass.h: Added passes.
11392         * tree-sra.c: (sra_init_cache): New function.
11393         (sra_insert_before, sra_insert_after) Made public.
11394         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
11395         and made public.
11396         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
11397         aliasing. (may_alias_p): Added code to use type escape analysis to
11398         improve alias sets.
11399         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
11400         code to prune clobbers of static variables based on information
11401         produced in ipa-reference pass.  Changed call clobbering so that
11402         statics are not marked as clobbered if the call does not clobber
11403         them.
11404
11405 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
11406
11407         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
11408         too.
11409
11410 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
11411
11412         * doc/install.texi (*-*-solaris2*): Document recommended version
11413         of GNU binutils and mention GNU linker problem on Solaris 10.
11414
11415 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
11416
11417         PR c/22421
11418         * c-decl.c (c_build_bitfield_integer_type): New function.
11419         (finish_struct): Call it.
11420         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
11421
11422 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11423
11424         * c-typeck.c (digest_init): Call 'convert_for_assignment'
11425         before returning.
11426
11427 2005-07-16  Jan Hubicka  <jh@suse.cz>
11428
11429         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
11430         (scale_bbs_frequencies_int): Watch roundoff errors.
11431         * predict.c (return_prediction): Initialize return_stmt.
11432
11433 2005-07-16  Jan Hubicka  <jh@suse.cz>
11434
11435         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
11436         after RTL profiling.
11437
11438 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
11439
11440         PR middle-end/22398
11441         * fold-const.c (build_range_check): Convert high/low to etype
11442         if we are only comparing against exp.
11443
11444 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
11445
11446         Fix PR tree-optimization/22376
11447         * tree-ssa-structalias.c (build_constraint_graph): We really meant
11448         special var here.
11449         (need_to_solve): New function.
11450         (compute_points_to_sets): Use it.
11451
11452 2005-07-15  Jan Hubicka  <jh@suse.cz>
11453
11454         * cfg.c (update_bb_profile_for_threading): More diagnostic.
11455         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
11456
11457 2005-07-15  Richard Guenther  <rguenther@suse.de>
11458
11459         * c-common.c (handle_flatten_attribute): New function.
11460         Add flatten function attribute.
11461         * doc/extend.texi: Document flatten function attribute.
11462         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
11463         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
11464         New functions.
11465         (cgraph_decide_inlining): Handle functions with flatten
11466         attribute.
11467
11468 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
11469
11470         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
11471         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
11472         UNSPEC_XCHG, UNSPEC_AND): New.
11473         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
11474         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
11475         * config/rs6000/sync.md (FETCHOP): New code macro.
11476         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
11477         New code attrs.
11478         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
11479         (sync_compare_and_swap<mode>): Same.
11480         (sync_lock_test_and_set<mode>): Same.
11481         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
11482         for QImode and HImode, and not PPC405.
11483         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
11484         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
11485         (sync_<fetchop>{si,di}_internal): New.
11486         (sync_nand{si,di}_internal): New.
11487         (sync_old_<fetchop>{si,di}_internal): New.
11488         (sync_old_nand{si,di}_internal): New
11489         (sync_new_<fetchop>{si,di}_internal): New.
11490         (sync_new_nand{si,di}_internal): New.
11491         (atomic_and{si,di}): New.
11492         (sync_new_nand{si,di}_internal): New.
11493         (atomic_and{si,di}): New.
11494         (sync_add<mode>_internal): Delete.
11495         (sync_addshort_internal): Use unspec instead of unspec_volatile.
11496         (sync_sub<mode>_internal): Delte.
11497         (sync_subshort_internal): New.
11498         (sync_andsi_internal): Use unspec instead of unspec_volatile.
11499         (sync_anddi_internal): Delete.
11500         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
11501         (sync_booldi_internal): Delete.
11502         (sync_boolc<mode>_internal): Delete.
11503         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11504         (sync_boolc<mode>_internal2): Delete.
11505         (sync_boolcc<mode>_internal): Delete.
11506         (isync, lwsync): Use unspec instead of unspec_volatile.
11507         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11508         Revert UNSPEC_VOLATILE.
11509         (rs6000_split_atomic_op): New.
11510         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11511
11512 2005-07-14  Eric Christopher  <echristo@redhat.com>
11513
11514         * config/mips/mips.c (mips_canonicalize_comparison): Cast
11515         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11516
11517 2005-07-14  Eric Christopher  <echristo@redhat.com>
11518
11519         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11520
11521 2005-07-14  Steven Bosscher  <stevenb@suse.de>
11522
11523         PR tree-optimization/22230
11524         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11525         the computation of the four cross productions for "range op range".
11526
11527 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
11528             Ulrich Weigand  <uweigand@de.ibm.com>
11529
11530         PR target/20126
11531         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11532         in some insn.
11533
11534 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
11535
11536         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11537
11538 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
11539
11540         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11541
11542 2005-07-14  Richard Guenther  <rguenther@suse.de>
11543
11544         PR middle-end/22347
11545         * config/i386/i386-protos.h (ix86_function_value): Change
11546         prototype to match new target hook.
11547         * config/i386/i386.c (ix86_value_regno): Change prototype
11548         to take extra type argument.
11549         (TARGET_FUNCTION_VALUE): Define.
11550         (ix86_function_ok_for_sibcall): Pass extra argument to
11551         ix86_value_regno, check return slot rtx for exact match.
11552         (ix86_function_value): Take extra parameter.  Dispatch to
11553         ix86_value_regno with fndecl/fntype as provided.
11554         (ix86_value_regno): Handle extra type argument.
11555         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11556
11557         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11558         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11559         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11560         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11561         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11562
11563 2005-07-14  Richard Guenther  <rguenther@suse.de>
11564
11565         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11566         * calls.c (expand_call): Pass fntype to hard_function_value.
11567         (emit_library_call_value_1): Likewise.
11568         * explow.c: Include target.h.
11569         (hard_function_value): Take extra argument, the fntype.
11570         Use new target hook for function_value.
11571         * expr.h (hard_function_value): Change prototype.
11572         * function.c (aggregate_value_p): Pass 0 as fntype to
11573         hard_function_value.
11574         (assign_parms): Use new target hook for function_value.
11575         Pass 0 as fntype to hard_function_value.
11576         (expand_function_end): Likewise.
11577         * reg-stack.c: Include target.h.
11578         (stack_result): Use new target hook for function_value.
11579         * target-def.h: New target hook function_value.
11580         * target.h: Likewise.
11581         * targhooks.c (default_function_value): New function.
11582         * targhooks.h (default_function_value): Declare.
11583
11584 2005-07-13  Ian Lance Taylor  <ian@airs.com>
11585
11586         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11587
11588 2005-07-14  Jan Hubicka  <jh@suse.cz>
11589
11590         * tree-dfa.c (dump_variable): Use default_def function.
11591         * tree-ssa-alias.c (dump_points_to_info): Likewise.
11592         * tree-ssa.c (verify_use): Likewise.
11593         * tree-ssanames.c (release_ssa_name): Likewise.
11594         * tree-tailcall.c (eliminate_tail_call): Likewise.
11595         (tree_optimize_tail_calls_1): Likewise.
11596         * tree-vrp.c (get_value_range): Likewise.
11597
11598 2005-07-14  Ben Elliston  <bje@au.ibm.com>
11599
11600         * gcc.c (main): Compare language[0] with '*' when iterating over
11601         the infiles.
11602
11603 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11604
11605         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11606         "s390_emit_compare".  Add handling of CCZ1mode.
11607         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11608         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11609         checking.
11610         (s390_branch_condition_mask): Add CCZ1mode handling.
11611         * config/s390/s390.md: ("seq", "*seq"): New pattern.
11612         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11613         Use CCZ1mode instead of CCZmode.
11614         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
11615
11616 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11617
11618         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11619         pattern.
11620         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11621
11622 2005-07-13  Eric Christopher  <echristo@redhat.com>
11623
11624         * config/mips/mips.c (mips_canonicalize_comparison): New.
11625         (mips_emit_int_relational): Use.
11626
11627 2005-07-13  Eric Christopher  <echristo@redhat.com>
11628
11629         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11630         static extra parts.
11631         * config/s390/s390.md: Include tpf.md. Move tpf specific
11632         patterns...
11633         * config/s390/tpf.md: To here.
11634         * config/s390/s390.opt: Move tpf specific options...
11635         * config/s390/tpf.opt: to here. Add mmain option.
11636         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11637         * config/s390/tpf.h: Rewrite.
11638
11639 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11640
11641         * doc/tm.texi: Remove @xref{Cross-profiling}.
11642
11643 2005-07-13  Jeff Law  <law@redhat.com>
11644
11645         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11646         expressions, test their _DECL operands for pointer equality rather
11647         than using operand_equal_p.
11648
11649 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11650
11651         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11652         (TARGET_POSIX_IO): This.
11653         * config/darwin.h: Likewise.
11654         * config/freebsd.h: Likewise.
11655         * config/linux.h: Likewise.
11656         * config/lynx.h: Likewise.
11657         * config/netbsd.h: Likewise.
11658         * config/rs6000/linux64.h: Likewise.
11659         * config/rs6000/linux.h: Likewise.
11660         * config/s390/tpf.h: Likewise.
11661         * config/sh/embed-elf.h: Likewise.
11662         * config/sparc/linux64.h: Likewise.
11663         * config/sparc/linux.h: Likewise.
11664         * config/svr4.h: Likewise.
11665         * gcov-io.h: Likewise.
11666
11667         * doc/tm.texi: Updated.
11668
11669         * libgcov.c (create_file_directory): Defined only if
11670         TARGET_POSIX_IO is defined.
11671         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11672         is defined.
11673
11674 2005-07-13  Jan Hubicka  <jh@suse.cz>
11675
11676         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11677
11678 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
11679
11680         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11681         structure as argument.
11682
11683 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
11684
11685         PR tree-optimization/21921
11686         * tree-iterator.c (tsi_link_before): Support the case when
11687         tsi_end_p (tsi) == true.
11688
11689 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11690
11691         PR tree-optimization/22442
11692         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11693         correctly.
11694
11695 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11696
11697         PR rtl-optimization/20376
11698         * toplev.c (process_options): Enable -fweb and -frename-registers when
11699         unrolling.
11700         * doc/invoke.texi: Update the information about when -fweb and
11701         -frename-registers are enabled.
11702
11703 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11704
11705         PR tree-opt/21840
11706         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11707         if *rhs_p is not a SSA_NAME.
11708
11709 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
11710
11711         Fix PR tree-optimization/22422
11712         * tree-ssa-structalias.c (struct variable_info): Add flag for
11713         special vars.
11714         (get_varinfo): Now a static function.
11715         (new_varinfo): init has_union and is_special_var to false.
11716         (solution_set_add): Check has_union.
11717         (do_da_constraint): Move temporary variable so it gets reset
11718         properly.
11719         Also check for special variable.
11720         (do_ds_constraint): Ditto.
11721         (do_sd_constraint): Ditto.
11722         (do_structure_copy): Check for special variable.
11723         (find_func_aliases): Ditto.
11724         (init_base_vars): Set special vars properly.
11725
11726 2005-07-13  Jan Hubicka  <jh@suse.cz>
11727
11728         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11729         do unit-at-a-time.
11730
11731         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11732         (get_expr_operands): Fix thinko wrt flags and subvars.
11733
11734         PR tree-optimize/22379
11735         * tree-inline.c (expand_call_inline): Do not output sorry in early
11736         inlining.
11737
11738 2005-07-12  Dale Johannesen  <dalej@apple.com>
11739
11740         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
11741
11742 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11743
11744         PR bootstrap/21704
11745         * host-linux.h: Include limits.h.
11746
11747 2005-07-12  Dale Johannesen  <dalej@apple.com>
11748
11749         * expr.c (compress_float_constant):  Add cost check.
11750         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
11751
11752 2005-07-12  Dale Johannesen  <dalej@apple.com>
11753
11754         * gcc.target/i386/compress-float-sse.c:  New.
11755         * gcc.target/i386/compress-float-sse-pic.c:  New.
11756         * gcc.target/i386/compress-float-387.c:  New.
11757         * gcc.target/i386/compress-float-387-pic.c:  New.
11758         * gcc.dg/compress-float-ppc.c:  New.
11759         * gcc.dg/compress-float-ppc-pic.c:  New.
11760
11761 2005-07-12  Eric Christopher  <echristo@redhat.com>
11762
11763         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11764         static extra parts.
11765         * config/s390/s390.md: Include tpf.md. Move tpf specific
11766         patterns...
11767         * config/s390/tpf.md: To here.
11768         * config/s390/s390.opt: Move tpf specific options...
11769         * config/s390/tpf.opt: to here. Add mmain option.
11770         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11771         * config/s390/tpf.h: Rewrite.
11772
11773 2005-07-12  Eric Christopher  <echristo@redhat.com>
11774
11775         * gcc.c (struct infile): Update comment for language.
11776         (main): Rewrite input file resetting code.
11777
11778 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11779
11780         PR tree-opt/22335
11781         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11782         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
11783         (lookup_avail_expr): Use constant_boolean_node instead
11784         of boolean_false_node/boolean_true_node.
11785
11786 2005-07-12  Ben Elliston  <bje@au.ibm.com>
11787
11788         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11789         and use it when printing num_edges.
11790
11791 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
11792
11793         * doc/extend.texi (Blackfin Built-in Functions): New section.
11794         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11795         @opindex.
11796
11797 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
11798
11799         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11800         s/cmpstrsi/cmpstrnsi
11801         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11802         'cmpstrnsi'.
11803         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11804         (init_optabs): Initialize cmpstrn_optab.
11805         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11806         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11807         * expr.c: (enum insn_code cmpstrn_optab): Declare.
11808         * config/i386/i386.md: s/cmpstr/cmpstrn
11809         * config/c4x/c4x.md: s/cmpstr/cmpstrn
11810         * doc/md.texi: Update documentation.
11811
11812 2005-07-11  Richard Henderson  <rth@redhat.com>
11813
11814         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11815         build_va_arg_indirect_ref.
11816         (alpha_gimplify_va_arg): Likewise.
11817         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11818         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11819         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11820         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11821         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11822         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11823         Likewise.
11824         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11825
11826 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11827
11828         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11829         * passes.c (init_optimization_passes): Add pass_empty_loop.
11830         * tree-pass.h (pass_empty_loop): Declare.
11831         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11832         try_remove_empty_loop, remove_empty_loops): New functions.
11833         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11834         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11835
11836 2005-07-12  Peter Barada  <peter@the-baradas.com>
11837
11838         PR middle-end/16719
11839         PR middle-end/18421
11840         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11841         in address registers.
11842         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11843         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11844         alternative of addsi3_5200.
11845
11846 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11847
11848         * config/mips/mips.md (ffs<mode>2): Remove.
11849
11850 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11851
11852         * doc/tree-ssa.texi (Cleanups): Improve description of
11853         TRY_FINALLY_EXPR.
11854         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11855
11856 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11857
11858         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11859         * tree.h (DECL_ARGUMENT_FLD): New macro.
11860
11861 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11862
11863         Fix PR tree-optimization/22404
11864
11865         * tree-ssa-structalias.c (create_variable_info_for): Use
11866         correct offset.
11867
11868 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
11869
11870         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11871         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11872         for second comparison operand.
11873         * config/bfin/predicates.md (reg_or_const_int_operand): New.
11874
11875         * config/bfin/bfin.md (define_attr "type"): Add "sync".
11876         (define_insn_reservation "alu"): Likewise.
11877         (csync, ssync): Now of type sync.
11878         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11879         -mcsync-anomaly -mspecld-anomaly.
11880         * config/bfin/bfin.opt (mcsync): Remove.
11881         (mcsync-anomaly, mspecld-anomaly): Add.
11882         * config/bfin/bfin.c: Include "insn-codes.h".
11883         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11884         (TARGET_DEFAULT_TARGET_FLAGS): New.
11885         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11886
11887 2005-07-11  Steven Bosscher  <stevenb@suse.de>
11888
11889         * basic-block.h: Give the BB flags enum a name, bb_flags.
11890         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11891         * cfgcleanup.c (enum bb_flags): Remove here.
11892         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11893         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11894         (update_forwarder_flag): Likewise.
11895         (thread_jump): Likewise.
11896         (try_forward_edges): Likewise.
11897         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
11898         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
11899         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11900
11901 2005-07-11  Richard Guenther  <rguenther@suse.de>
11902
11903         * config/i386/i386.opt: New target option -msseregparm.
11904         * config/i386/i386.c (override_options): Error out for
11905         -msseregparm but no SSE support.
11906         (ix86_function_sseregparm): Check for global sseregparm.
11907         * doc/invoke.texi: Document -msseregparm.
11908
11909 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11910
11911         * config.gcc (m32r-*-linux*): Use the default extra_parts.
11912         (m32rle-*-linux*): Ditto.
11913
11914 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
11915
11916         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11917         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11918         bytes.
11919
11920 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11921
11922         PR middle-end/22239
11923         PR target/20126
11924         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11925         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11926
11927 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
11928
11929         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11930         (varmap): Heapify varmap.
11931         (constraints): Heapify constraints.
11932         (struct constraint_graph): Heapify succs and preds.
11933         (constraint_vec_find): Update for heapification.
11934         (constraint_set_union): Ditto.
11935         (insert_into_complex): Ditto.
11936         (constraint_edge_vec_find): Ditto.
11937         (erase_graph_self_edge): Ditto.
11938         (add_graph_edge): Ditto.
11939         (get_graph_weights): Ditto.
11940         (merge_graph_nodes): Ditto.
11941         (build_constraint_graph): Ditto.
11942         (topo_visit): Ditto.
11943         (solve_graph): Ditto.
11944         (create_variable_info_for): Ditto.
11945         (init_base_vars): Ditto.
11946         (delete_points_to_sets): Free graph, varmap, and complex constraints.
11947         (condese_varmap_nodes): Free complex vector.
11948         (clear_edges_for_node): Clear succs and preds vector.
11949
11950 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11951
11952         * tree-ssa-structalias.c (update_alias_info): Change counting of
11953         references to not include vdefs.
11954
11955 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11956
11957         * tree-ssa-alias.c (free_used_part_map): Add missing free.
11958         (up_insert): Ditto.
11959
11960 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11961
11962         * pa.c (pa_commutative_p): Make PLUS commutative when
11963         TARGET_NO_SPACE_REGS is true.
11964
11965 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11966
11967         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11968         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11969         * tree-dfa.c (dump_subvars_for): New.
11970         (debug_subvars_for): New.
11971         (dump_variable): Show subvariables if VAR has them.
11972         * tree-flow-inline.h (get_subvar_at): New.
11973         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11974         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11975         Update all users.
11976         (struct subvar): Change fields offset and size to unsigned
11977         HOST_WIDE_INT.
11978         (dump_subvars_for): Declare.
11979         (debug_subvars_for): Declare.
11980         (get_subvar_at): Declare.
11981         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11982         to unsigned HOST_WIDE_INT *.
11983         (overlap_subvar): Likewise.
11984         * tree-gimple.c (is_gimple_reg): Always return false for
11985         SFTs and memory tags.
11986         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11987         Update all callers.
11988         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11989         (compute_may_aliases): Call compute_points_to_sets.
11990         (collect_points_to_info_for): Remove.
11991         (compute_points_to_and_addr_escape): Remove.
11992         (delete_alias_info): Call delete_points_to_sets.
11993         (compute_flow_sensitive_aliasing): If the call to
11994         find_what_p_points_to returns false, call set_pt_anything.
11995         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11996         (set_pt_anything): Clear pi->pt_vars.
11997         (set_pt_malloc): Remove.
11998         (merge_pointed_to_info): Remove.
11999         (add_pointed_to_expr): Remove.
12000         (add_pointed_to_var): Remove.
12001         (collect_points_to_info_r): Remove.
12002         (is_escape_site): Make extern.
12003         (create_sft): New.
12004         (create_overlap_variables_for): Call it.
12005         * tree-ssa-copy.c (merge_alias_info): Never merge
12006         flow-sensitive alias information.
12007         * tree-ssa-operands.c (get_expr_operands): Adjust variables
12008         offset and size to be unsigned HOST_WIDE_INT.
12009         (add_to_addressable_set): Rename from note_addressable.
12010         Set TREE_ADDRESSABLE as the variables are added to the set.
12011         Update all users.
12012         (add_stmt_operand): Do not try to micro-optimize unmodifiable
12013         operands into VUSEs when adding V_MAY_DEFs for members in an
12014         alias set.
12015         * tree-ssa-operands.h (add_to_addressable_set): Declare.
12016         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
12017         (struct variable_info): Add bitfield is_heap_var.
12018         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
12019         (new_var_info): Initialize is_heap_var.
12020         (get_constraint_for): Add HEAP variables to the symbol table.
12021         Mark them with is_heap_var.
12022         (update_alias_info): New.  Taken mostly from the old
12023         compute_points_to_and_addr_escape.
12024         (handle_ptr_arith): New.
12025         (find_func_aliases): Call update_alias_info.
12026         Call handle_ptr_info for tcc_binary expressions.
12027         Call mark_stmt_modified.
12028         (create_variable_info_for): If DECL has subvars, do not create
12029         variables for its subvars.  Always add all the fields.
12030         (set_uids_in_ptset): If the solution includes ANYOFFSET and
12031         SFTs, then add all the SFTs of the structure.
12032         If VI->DECL is an aggregate with subvariables, add the SFT at
12033         VI->OFFSET.
12034         (find_what_p_points_to): If VI is an artificial variable,
12035         translate to bitfields in SSA_NAME_PTR_INFO.
12036         If the solution is empty, set pi->pt_vars to NULL
12037         (init_base_vars): Create ANYOFFSET.
12038         (compute_points_to_sets): Rename from create_alias_vars.
12039         Make extern.
12040         (pass_build_pta): Remove.
12041         (delete_points_to_sets): Rename from delete_alias_vars.
12042         (pass_del_pta): Remove.
12043         * tree-ssa-structalias.h (struct alias_info): Move from
12044         tree-ssa-alias.h.
12045         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
12046         NUM_REFERENCES_SET): Likewise.
12047         (compute_points_to_sets, delete_points_to_sets): Declare.
12048
12049 2005-07-09  Richard Henderson  <rth@redhat.com>
12050
12051         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
12052         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
12053         alpha_split_lock_test_and_set_12): New functions.
12054         * config/alpha/alpha-protos.h: Update.
12055         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
12056         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
12057         * config/alpha/sync.md (I12MODE): New.
12058         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
12059         (sync_<fetchop_name><I48MODE>): Likewise.
12060         (sync_nand<I48MODE>): Likewise.
12061         (sync_old_<fetchop_name><I48MODE>): Likewise.
12062         (sync_new_<fetchop_name><I48MODE>): Likewise.
12063         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
12064         (sync_compare_and_swap<I48MODE>): Likewise.
12065         (sync_lock_test_and_set<I48MODE>): Likewise.
12066         (sync_compare_and_swap<I12MODE>): New.
12067         (sync_compare_and_swap<I12MODE>_1): New.
12068         (sync_lock_test_and_set<I12MODE>): New.
12069         (sync_lock_test_and_set<I12MODE>_1): New.
12070
12071 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
12072
12073         PR 21356
12074         PR 22332
12075         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
12076
12077 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
12078
12079         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
12080         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
12081
12082 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
12083
12084         PR target/21656
12085         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
12086
12087 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
12088
12089         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
12090         memory_operand constraint.
12091         (store_conditional_<mode>): Same.
12092         (sync_compare_and_swap<mode>): Same.
12093         (sync_lock_test_and_set<mode>): Same.
12094
12095 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
12096
12097         Rewrite PIC support to more closely model actual instructions.
12098         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
12099         (cris_symbol): Remove prototypes for removed functions.
12100         (cris_pic_symbol_type_of, cris_valid_pic_const)
12101         (cris_expand_pic_call_address): Prototypes for new functions.
12102         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
12103         variable.
12104         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
12105         modifiers.
12106         <case ':'>: Add case for new punctuation character.
12107         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
12108         emitting (extra) PIC modifier.
12109         <case UNSPEC>: Do not assert for PLT.
12110         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
12111         (cris_expand_prologue, cris_expand_epilogue): Check
12112         for pic_offset_table_rtx usage instead of taking
12113         current_function_uses_pic_offset_table as the final word.
12114         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
12115         Remove flag_pic difference.
12116         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
12117         the moral equivalents of...
12118         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
12119         functions.
12120         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
12121         (cris_handle_option): Mark ARG as unused.
12122         (cris_expand_pic_call_address): New worker function for "call",
12123         "call_value".
12124         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
12125         output PIC constructs here.
12126         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
12127         as symbol-specific modifers, not whole or part of operands.
12128         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
12129         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
12130         constants and flag_pic.
12131         (CONSTANT_INDEX_P): Adjust for new functions.
12132         (enum cris_pic_symbol_type): New helper type.
12133         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
12134         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
12135         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
12136         define_constants.
12137         ("movsi"): Emit actual instructions for GOT and relative access.
12138         ("*movsi_got_load"): New pattern to set up the register holding
12139         the GOT pointer.
12140         ("*movsi_internal"): Operand 1 is not a plain general_operand.
12141         Adjust FIXME for 'S'.
12142         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
12143         Use "movs" for -fpic cases.
12144         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
12145         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
12146         ("call", "call_value"): Just call cris_expand_pic_call_address for
12147         PIC addresses.
12148         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
12149         Remove special pattern.
12150         ("*expanded_call_side", "*expanded_call_value_side"): New
12151         patterns.
12152         (gotplt-to-plt, gotplt-to-plt-side-call)
12153         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
12154         peephole2:s.
12155         * config/cris/cris/predicates.md
12156         ("cris_general_operand_or_gotless_symbol"): Remove unused
12157         predicate.
12158         ("cris_general_operand_or_symbol"): Adjust for new functions.
12159
12160 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12161
12162         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
12163
12164 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
12165
12166         * Makefile.in (TREE_H): Add treestruct.def.
12167         (c-decl.o): Add pointer-set.h
12168         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
12169         visibility on regular DECL's.
12170         (merge_decls): Fix the copying of decl nodes of various types for
12171         the new structures.  Don't update RTL, section name, weak status,
12172         etc, on DECL's without RTL.
12173         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
12174         Don't check volatile on non-variable types.
12175         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
12176         to check whether we have seen arguments.
12177         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
12178         flag is checked before field (flag is common, field is not).
12179         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
12180         TS_DECL_COMMON could have an origin.
12181         (add_location_or_const_value_attribute): Don't check section name
12182         on non-var/function decls.
12183         (dwarf2out_var_location): Reverse order of tests.
12184         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
12185         with DECL_WRTL_CHECK.
12186         * expmed.c (make_tree): rtl is now in decl_with_rtl.
12187         * fold-const.c (fold_binary): Don't check weakness on
12188         non-var/function decls.
12189         (tree_expr_nonzero_p): Ditto.
12190         (fold_checksum_tree): Use tree_decl_extra as sizeof
12191         buffer.
12192         * ggc-page.c (extra_order_size_table): Add sizes for
12193         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
12194         tree_field_decl.
12195         * gimplify.c (gimplify_bind_expr): Only set
12196         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
12197         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
12198         without RTL.
12199         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
12200         * langhooks.h (init_ts). New langhook.
12201         * passes.c (rest_of_decl_compilation): Reverse order of tests.
12202         * print-tree.c (print_node): Update to only print fields that
12203         exist in the structures the passed decl has.
12204         * toplev.c (wrapup_global_declarations): Don't reset
12205         DECL_DEFER_OUTPUT on DECL's that don't contain it.
12206         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
12207         * tree-inline.c (remap_decl): Ditto.
12208         * tree-outof-ssa.c (create_temp): Reverse order of tests.
12209         * tree-pretty-print.c (print_declaration): Don't print
12210         DECL_REGISTER on things that don't contain it.
12211         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
12212         non-var/function decls.
12213         * tree.c (tree_contains_struct): New structure.
12214         (init_priority_for_decl): New hashtable.
12215         (tree_int_map): New structure.
12216         (tree_int_map_eq): New function.
12217         (tree_int_map_marked_p): Ditto.
12218         (tree_int_map_hash): Ditto.
12219         (tree_map): Move to tree.h.
12220         (tree_map_eq): Externalize.
12221         (tree_map_hash): Ditto.
12222         (tree_map_marked_p): Ditto.
12223         (init_ttree): Set up tree_contains_struct and call langhook.
12224         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
12225         (tree_code_size): Update for new structures.
12226         (tree_node_structure): Update for new structures.
12227         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
12228         without the field.
12229         (copy_node_stat):  Copy init priority.
12230         (build_decl_stat): Ditto for visibility.
12231         (ts_enum_names): New.
12232         (tree_contains_struct_check_failed): New function.
12233         (decl_init_priority_lookup): Ditto.
12234         (decl_init_priority_insert): Ditto.
12235         * treestruct.def: New file.
12236         * tree.h (CODE_CONTAINS_STRUCT): New macro.
12237         (CONTAINS_STRUCT_CHECK): Ditto.
12238         (tree_contains_struct_check_failed): New prototype.
12239         (DECL_CHECK): Removed.
12240         (DECL_MINIMAL_CHECK): New.
12241         (DECL_COMMON_CHECK): Ditto.
12242         (DECL_WRTL_CHECK): Ditto.
12243         (DECL_NON_COMMON_CHECK): Ditto.
12244         (DECL_WITH_VIS_CHECK): Ditto.
12245         (VAR_OR_FUNCTION_DECL_P): Ditto
12246         (struct tree_decl_minimal): New structure.
12247         (struct tree_decl_common): Ditto.
12248         (struct tree_decl_with_rtl): Ditto.
12249         (struct tree_decl_with_vis): Ditto.
12250         (struct tree_decl_non_common): Ditto.
12251         (struct tree_field_decl): Ditto.
12252         (struct tree_parm_decl): Ditto.
12253         (struct tree_var_decl): Ditto.
12254         (struct tree_function_decl): Ditto.
12255         (struct tree_const_decl): Ditto.
12256         (struct tree_result_decl): Ditto.
12257         (union tree_node): Add new structures.
12258         * var-tracking.c (track_expr_p): Reverse order of tests.
12259
12260         * doc/c-tree.texi: Add documentation on DECL node internal structure.
12261
12262 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
12263
12264         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
12265         * system.h: Poison FINALIZE_PIC.
12266         * doc/tm.texi (FINALIZE_PIC): Remove.
12267
12268 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12269
12270         PR tree-opt/22329
12271         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
12272         to the correct type if we have a MODIFY_EXPR.
12273
12274 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
12275
12276         PR tree-optimization/22360
12277         * tree.c (upper_bound_in_type): Fix calculations for casting
12278         to a non-wider signed type and casting a signed value to a
12279         wider unsigned type.
12280         (lower_bound_in_type): Fix calculations for casting to a
12281         non-wider signed type.
12282
12283         PR tree-optimization/20139
12284         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
12285         release_defs.
12286         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
12287         fold_cond_expr_cond.
12288         * tree-ssanames.c (release_defs): Assert in_ssa_p.
12289         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
12290
12291 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12292
12293         PR tree-opt/22356
12294         * tree-complex.c (expand_complex_libcall): Produce
12295         REALPART_EXPR/IMAGPART_EXPR with the correct type.
12296
12297 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
12298
12299         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
12300         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
12301         b" assert and inserted fastpath code for this case.
12302         (bitmap_ior): Removed "a != b" assert.
12303
12304 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12305
12306         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
12307         (ENDFILE_SPEC): Likewise.
12308         * config/m32r/m32r.h (ASM_SPEC): Likewise.
12309
12310         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
12311         a large stack frame at epilogue.
12312
12313 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
12314
12315         * final.c: Include sdbout.h when required.
12316
12317 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
12318
12319         * config.gcc (*-*-darwin*): Only one target-specific header file
12320         for generic darwin.
12321         (powerpc-*-darwin*): Add version-specific header files.
12322         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
12323         * config.in: Regenerate.
12324         * configure: Regenerate.
12325         * gcc.c: Include xregex.h.
12326         (version_compare_spec_function): New.
12327         (spec_function): Add version-compare.
12328         (replace_outfile_spec_function): Reformat comment.
12329         (compare_version_strings): New.
12330         * config/darwin-c.c (version_as_macro): New.
12331         (builtin_define): New.
12332         (darwin_cpp_builtins): New.
12333         * config/darwin-protos.h (darwin_cpp_builtins): New.
12334         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
12335         (LIB_SPEC): Make unconditional, update comment.
12336         (TARGET_C99_FUNCTIONS): Define.
12337         * config/darwin.opt: Sort.
12338         (mmacosx-version-min=): New.
12339         * config/darwin7.h: Delete.
12340         * config/darwin8.h: Delete.
12341         * config/i386/darwin.h (): Call darwin_cpp_builtins.
12342         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
12343         (TARGET_C99_FUNCTIONS): Define.
12344         * config/rs6000/darwin7.h: New.
12345         * config/rs6000/darwin8.h: New.
12346         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
12347         (-mmacosx-version-min): Document.
12348
12349 2005-07-07  Ian Lance Taylor  <ian@airs.com>
12350
12351         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
12352
12353 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
12354
12355         PR middle-end/22239
12356         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
12357
12358 2005-07-07  Khem Raj  <kraj@mvista.com>
12359
12360         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
12361         in bytes, not words.
12362
12363 2005-07-07  Paul Brook  <paul@codesourcery.com>
12364
12365         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
12366         DEFAULT_FUNCTION_ARG_PADDING to upward.
12367
12368 2005-07-07  Richard Henderson  <rth@redhat.com>
12369
12370         * function.c (locate_and_pad_parm): Record parameter alignment in
12371         stack_alignment_needed.
12372
12373 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
12374
12375         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
12376         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
12377         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
12378         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
12379         (define_attr "type"): Add isync, sync, load_l, store_c.
12380         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
12381         Create scratch volatile MEM.
12382         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
12383         sync.
12384         (load_locked_<mode>): New.
12385         (store_conditional_<mode>): New.
12386         (sync_compare_and_swap<mode>): Replace with splitter.
12387         (sync_lock_test_and_set<mode>): Replace with splitter.
12388         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
12389         and UNSPECV_ISYNC.
12390         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
12391         is ics.  Attribute isync.
12392         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
12393         lwsync.
12394         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
12395         and UNSPECV_SYNC_OP.
12396         (emit_unlikely_jump): New.
12397         (emit_load_locked): New.
12398         (emit_store_conditional): New.
12399         (rs6000_split_compare_and_swap): New.
12400         (rs6000_split_lock_test_and_set): New.
12401         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
12402         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
12403         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
12404         rs6000_split_lock_test_and_set): Declare.
12405         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
12406         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
12407         store_c, isync, sync.
12408
12409 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
12410
12411         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
12412         filenames to gtyp-gen.h.
12413         (s-typ-gen): Use it in place of for loops.
12414
12415 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
12416
12417         * hooks.c (hook_bool_rtx_int_false): New function.
12418         * hooks.h (hook_bool_rtx_int_false): Declare.
12419         * target-def.h (TARGET_COMMUTATIVE_P): Define.
12420         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
12421         * target.h (struct gcc_target): Add commutative_p member.
12422         * targhooks.c (hook_bool_rtx_commutative_p): New function.
12423         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
12424         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
12425         (pa_commutative_p): New function.
12426         * jump.c (target.h): Include.
12427         (rtx_renumbered_equal_p): Use targetm.commutative_p.
12428         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
12429
12430 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12431
12432         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
12433         (s390_expand_setmem): New.
12434         * config/s390/s390.c: Likewise.
12435         (print_shift_count_operand): Truncate to 12 bits instead of 6.
12436         Adapt comments.
12437         * config/s390/s390.md: ("setmem<mode>"): Accept character as
12438         general_operand.  Call new function "s390_expand_setmem".
12439         ("clrmem_long", "*clrmem_long"): Rewrite to ...
12440         ("setmem_long", "*setmem_long"): ... this.
12441
12442 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12443
12444         * config/s390/s390.c: (optimization_options): Enable
12445         TARGET_MVCLE at -Os.
12446         * doc/invoke.texi: Document changes in default behaviour.
12447         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
12448
12449 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12450
12451         * expr.c: (set_storage_via_setmem): Convert opchar to mode
12452         defined by back-end.
12453
12454 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
12455
12456         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
12457         all sets in the pattern.
12458         * config/rs6000/rs6000.md (stack_protect_testsi,
12459         stack_protect_testdi): Likewise.
12460
12461 2005-07-06  Jeff Law  <law@redhat.com>
12462
12463         * tree-vrp.c (simplify_using_ranges): Kill.
12464         (vrp_finalize): Remove call to simplify_using_ranges.
12465         (simplify_stmt_using_ranges): New function extracted from
12466         simplify_using_ranges.
12467         (simplify_div_or_mod_using_ranges): Likewise.
12468         (simplify_abs_using_ranges): Likewise.
12469         (simplify_cond_using_ranges): New function.
12470         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
12471         * tree-ssa-propagate.c (substitute_and_fold): Call
12472         simplify_stmt_using_ranges if we have range information.
12473
12474 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
12475
12476         * config/ia64/ia64.c (ia64_reorg): Check optimize before
12477         ia64_flag_schedule_isns2.
12478
12479         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
12480         reading/writing general registers.
12481         (ia64_function_arg): Revert 2005-06-18 change.
12482
12483 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
12484
12485         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
12486         (legitimize_tls_address): Use gcc_unreachable instead of abort.
12487
12488 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
12489
12490         * function.c (expand_function_end): Revert part of 2005-06-27
12491         patch.  Do sjlj_emit_function_exit_after after return_label.
12492
12493 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12494
12495         * doc/install.texi (--disable-libssp): New.
12496
12497 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
12498
12499         * doc/invoke.texi: Update -fforce-mem documentation.
12500         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
12501         code for -fforce-mem.
12502         * expmed.c: (store_bit_field,store_fixed_bit_field,
12503         extract_bit_field): Ditto.
12504         * expr.c: (convert_move): Ditto.
12505         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12506         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12507         emit_conditional_add,expand_float,expand_fix): Ditto.
12508         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
12509         (common_handle_option): Issue warning when -fforce-mem specified.
12510
12511 2005-07-06  Paul Brook  <paul@codesourcery.com>
12512
12513         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12514         argument is empty.
12515         * configure: Regenerate.
12516
12517 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
12518
12519         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12520
12521 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
12522
12523         Fix PR tree-optimization/22319
12524         Fix PR tree-optimization/22140
12525         Fix PR tree-optimization/22310
12526
12527         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12528         variable sized types.
12529         Use correct type for intermediate structure on *a = *b structure
12530         copies.
12531
12532 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12533
12534         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12535         Remove.
12536         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12537         (machine_function): Move typedef to...
12538         * config/rs6000/rs6000.c (machine_function): ... here.  Add
12539         varargs_save_offset field.
12540         (rs6000_stack_t): Remove varargs_size field.
12541         (setup_incoming_varargs): Allocate varargs save area using
12542         assign_stack_local, try to make it as small as possible.
12543         Save offset from virtual_stack_vars_rtx to the save area
12544         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
12545         instead of magic 8 when fp word byte size is used.
12546         (rs6000_va_start): Use cfun->machine->varargs_save_offset
12547         instead of -RS6000_VARARGS_SIZE.
12548         (rs6000_stack_info, debug_stack_info,
12549         rs6000_initial_elimination_offset): Remove all traces of
12550         varargs_size.
12551         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12552         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12553         RS6000_VARARGS_AREA.
12554
12555 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
12556
12557         PR tree-optimization/21963
12558         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12559         constant_multiple_of in the same way get_computation_cost_at does.
12560
12561 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12562
12563         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12564         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12565         (gen_compare_reg): If sparc_compare_emitted is set, clear it
12566         and return its previous value.
12567         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12568         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12569         constants.
12570         (stack_protect_set, stack_protect_test): New expanders.
12571         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12572         stack_protect_testdi): New insns.
12573         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12574         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12575
12576 2005-07-06  Jeff Law  <law@redhat.com>
12577
12578         * tree-ssa-dce.c (cfg_altered): New global.
12579         (tree_dce_init): Initialize cfg_altered.
12580         (remove_dead_stmt): If we remove an edge in the CFG, then set
12581         CFG_ALTERED.
12582         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12583         the dominators.
12584
12585 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12586
12587         * Makefile.in (stamp-collect-ld): Use
12588         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
12589         ./collect-ld if it already exists.
12590         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12591         Don't remove ./nm if it already exists.
12592
12593 2005-07-05  Devang Patel  <dpatel@apple.com>
12594
12595         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12596         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12597         * tree-vectorizer.c (vect_loop_location): New.
12598         (vect_print_dump_info): Use vect_loop_location.
12599         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12600         (vectorize_loops): Set vect_loop_location.
12601         * tree-vect-analyze.c (vect_analyze_offset_expr,
12602         vect_determin_vectorization_factor, vect_analyze_operations,
12603         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12604         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12605         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12606         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12607         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12608         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12609         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12610         vect_analyze_loop): Adjust vect_print_dump_info API.
12611         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12612         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12613         vect_finish_stmt_generation, vectorizable_assignment,
12614         vectorizable_operation, vectorizable_store, vectorizable_load,
12615         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12616         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12617         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12618         vect_transform_loop): Same.
12619         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12620         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12621         Same.
12622
12623 2005-07-05  Randolph Chung  <tausq@debian.org>
12624
12625         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12626         * configure: Regenerate.
12627         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12628         (pa_tls_referenced_p): Declare.
12629         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12630         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12631         (legitimize_tls_address): New.
12632         (hppa_legitimize_address): Handle TLS addresses.
12633         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12634         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12635         (emit_move_sequence): Handle TLS addresses.
12636         (pa_encode_section_info): Call default handler to handle common
12637         sections.
12638         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12639         (CONSTANT_ADDRESS_P): Reject TLS operands.
12640         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12641         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12642         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12643         (UNSPEC_TLSLE): Define new constants.
12644         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12645         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12646         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12647         (tie_symbolic_operand, tle_symbolic_operand): New
12648
12649 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
12650
12651         * aclocal.m4: Update macros for autoconf 2.59 style.
12652         * configure.ac: Likewise.
12653
12654 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12655
12656         * pa.c (function_value): Handle small aggregates on 32-bit targets.
12657         (function_arg): Pass small aggregates in general registers on 32-bit
12658         targets.
12659         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12660
12661 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
12662
12663         * Makefile.in (final.o): Fix dependencies.
12664
12665 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12666
12667         PR c/22013
12668         PR c/22098
12669         * langhooks.h (struct lang_hooks): Add expr_to_decl.
12670         * langhooks.c (lhd_expr_to_decl): New.
12671         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12672         New.
12673         (LANG_HOOKS_INITIALIZER): Update.
12674         * tree.c (recompute_tree_invarant_for_addr_expr): Call
12675         expr_to_decl langhook.
12676         * c-tree.h (c_expr_to_decl): Declare.
12677         * c-typeck.c (c_expr_to_decl): New.
12678         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12679         specially.
12680         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12681
12682 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12683
12684         PR c/22308
12685         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12686         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12687
12688 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
12689
12690         * Makefile.in: Adjust dependencies.
12691         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12692         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12693         * alias.c (rest_of_handle_cfg, pass_cfg): New.
12694         * bb-reorder.c (duplicate_computed_gotos): Make it static.
12695         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12696         rest_of_compilation.
12697
12698         * bb-reorder.c (gate_duplicate_computed_gotos,
12699         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12700         rest_of_handle_reorder_blocks, pass_reorder_blocks,
12701         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12702         pass_partition_blocks): New.
12703         * bt-load.c (gate_handle_branch_target_load_optimize,
12704         rest_of_handle_branch_target_load_optimize,
12705         pass_branch_target_load_optimize): New.
12706         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12707         pass_jump2): New.
12708         * cfglayout.c (pass_insn_locators_initialize): New.
12709         * cfgrtl.c (pass_free_cfg): New.
12710         * combine.c (gate_handle_combine, rest_of_handle_combine,
12711         pass_combine): New.
12712         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12713         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12714         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12715         * except.c (pass_set_nothrow_function_flags,
12716         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12717         pass_rtl_eh): New.
12718         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12719         rest_of_handle_shorten_branches, pass_shorten_branches,
12720         rest_of_clean_state, pass_clean_state): New.
12721         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12722         rest_of_handle_remove_death_notes, pass_remove_death_notes,
12723         rest_of_handle_life, pass_life, rest_of_handle_flow2,
12724         pass_flow2): New.
12725         * function.c (pass_instantiate_virtual_regs, pass_init_function,
12726         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12727         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12728         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12729         pass_gcse): New.
12730         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12731         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12732         pass_rtl_ifcvt, gate_handle_if_after_combine,
12733         rest_of_handle_if_after_combine, pass_if_after_combine,
12734         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12735         pass_if_after_reload): New.
12736         * integrate.c (pass_initial_value_sets): New.
12737         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12738         pass_purge_lineno_notes): New.
12739         * mode-switching.c (rest_of_handle_mode_switching,
12740         pass_mode_switching): New.
12741         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12742         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12743         pass_loop2): New.
12744         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12745         pass_loop_optimize): New.
12746         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12747         pass_sms): New.
12748         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12749         pass_gcse2): New.
12750         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12751         pass_postreload_cse): New.
12752         * profile.c (gate_handle_profiling, pass_profiling,
12753         rest_of_handle_branch_prob, pass_branch_prob): New.
12754         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12755         pass_split_before_regstack, gate_handle_split_before_regstack,
12756         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12757         rest_of_handle_split_all_insns, pass_split_all_insns): New.
12758         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12759         pass_stack_regs): New.
12760         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12761         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12762         pass_stack_adjustments): New.
12763         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12764         pass_regrename): New.
12765         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12766         pass_delay_slots, gate_handle_machine_reorg,
12767         rest_of_handle_machine_reorg, pass_machine_reorg): New.
12768         * rtl.h (extern void purge_line_number_notes): New.
12769         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12770         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12771         pass_sched2): New.
12772         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12773         pass_tracer): New.
12774         * value-prof.c (gate_handle_value_profile_transformations,
12775         rest_of_handle_value_profile_transformations,
12776         pass_value_profile_transformations): New.
12777         * var-tracking.c (gate_handle_var_tracking,
12778         pass_variable_tracking): New.
12779         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12780
12781         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12782         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12783         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12784         rest_of_handle_old_regalloc, rest_of_handle_regrename,
12785         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12786         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12787         rest_of_handle_gcse2, rest_of_handle_regmove,
12788         rest_of_handle_tracer, rest_of_handle_if_conversion,
12789         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12790         rest_of_handle_web, rest_of_handle_branch_prob,
12791         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12792         rest_of_handle_jump_bypass, rest_of_handle_combine,
12793         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12794         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12795         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12796         rest_of_handle_mode_switching, rest_of_handle_jump,
12797         rest_of_handle_eh, rest_of_handle_stack_adjustments,
12798         rest_of_handle_flow2, rest_of_handle_jump2,
12799         rest_of_handle_peephole2, rest_of_handle_postreload,
12800         rest_of_handle_shorten_branches, rest_of_clean_state,
12801         rest_of_compilation): Remove.
12802
12803         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12804         * passes.c (dump_flags, in_gimple_form, all_passes,
12805         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12806         register_dump_files, next_pass_1, last_verified, execute_todo,
12807         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12808         from tree-optimize.c.
12809         (init_optimization_passes): Moved from tree-optimize.c,
12810         adding the RTL optimizations.
12811         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12812         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12813         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12814         register_dump_files, next_pass_1, last_verified, execute_todo,
12815         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12816         init_tree_optimization_passes, ipa_passes): Delete.
12817         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12818         the RTL dumps.
12819         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12820         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12821         from tree.h.
12822         (ipa_passes): Remove.
12823         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12824         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12825         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12826         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12827         (dump_info_p, dump_flag): Moved to tree-dump.h.
12828
12829         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12830         cgraph.c, opts.c.
12831         * passes.c (finish_optimization_passes): Use dump_begin
12832         and dump_end, TDI_end.
12833         (gate_rest_of_compilation): New.
12834         (pass_rest_of_compilation): Use it.
12835         (gate_postreload, pass_postreload): New.
12836         * toplev.c (general_init): Rename init_tree_optimization_passes.
12837         * toplev.h (init_tree_optimization_passes): Rename to
12838         init_optimizations_passes.
12839         * tree-dump.c (dump_flag): Make static.
12840         (dump_files): Remove RTL dumps.
12841         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12842         pass_cleanup_cfg, pass_free_cfg_annotations,
12843         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12844         pass_init_datastructures, pass_fixup_cfg): Make non-static.
12845         * tree-pretty-print.c: Include tree-pass.h.
12846         * cgraph.c: Include tree-dump.h.
12847
12848 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12849
12850         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12851         Only fall back to saying it points to readonly memory if
12852         we can't do better.
12853
12854 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
12855
12856         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12857         * config/m32r/m32r.c (m32r_compute_frame_size,
12858         m32r_expand_prologue): Take current_function_profile into
12859         account whenever we reference
12860         current_function_uses_pic_offset_table.
12861         (m32r_finalize_pic): Remove.
12862         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12863
12864 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
12865
12866         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12867         instead of $<.  Don't remove ./as if it already exists.
12868
12869 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12870
12871         PR target/21723
12872         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12873         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12874         for complex modes when generating code for PA 1.0.
12875         (VALID_FP_MODE_P): New macro.
12876         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12877         sets for all general and floating point modes.  Align wide floating
12878         point modes to even register boundaries to comply with architectural
12879         requirements.
12880         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12881         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12882         (VALID_FP_MODE_P): New macro.
12883         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12884         sets for all general and floating point modes.  Align wide floating
12885         point modes to even register boundaries to comply with architectural
12886         requirements.
12887
12888 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12889
12890         * tree-dump.c (dump_files): Initialize dump number for .cgraph
12891         to 0.
12892
12893 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12894
12895         * tree-ssa-structalias.c: Don't include expr.h.
12896
12897 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12898
12899         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12900         comments.
12901
12902 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12903
12904         Fix PR tree-optimization/22279
12905
12906         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12907         correct operator.
12908
12909 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
12910
12911         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12912
12913 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12914
12915         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12916         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12917         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12918         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12919         config/stormy16/stormy16.c, config/v850/v850.c,
12920         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12921         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12922         Avoid "." or "\n" at end of diagnostics and capital letters at
12923         start of diagnostics.
12924         * combine.c, cse.c: Don't translate dump file output.
12925         * toplev.c (print_version): Only translate output if going to
12926         stderr.
12927
12928 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12929
12930         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12931         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12932         typos.
12933
12934 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12935
12936         * pa.c (fix_range): Fix typo in comment.
12937
12938 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12939
12940         * tree-vrp.c (extract_range_from_assert): Replace
12941         fold (build (...)) with fold_build2.
12942
12943 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12944
12945         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12946         gcc_gfc_char_table, init_dynamic_gfc_info): New.
12947         (format_types_orig, handle_format_attribute): Add support for
12948         format "gcc_gfc".
12949
12950 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12951
12952         * varasm.c (assemble_variable): Fix format specifier thinko.
12953
12954 2005-07-03  Ira Rosen  <irar@il.ibm.com>
12955
12956         PR tree-optimization/22029 (and 22135)
12957         * tree-pretty-print.c (dump_generic_node): Check that the node is not
12958         a phi node before calling dump_vops.
12959
12960 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12961
12962         * tree-dump.h (dump_string_field): Declare.
12963         * tree-dump.c: Use it instead of dump_string.
12964         (dump_string_field): Make non-static.
12965
12966 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12967
12968         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12969         up the minimal CFG stuff always when optimize > 0.  Call
12970         split_all_insns_noflow in PIC case if needed.
12971
12972 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12973             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12974
12975         PR c++/18279
12976         * c-decl.c (c_write_global_declarations): Dump contents of
12977         external scope to.
12978         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12979         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12980         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12981         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12982         is enabled.
12983
12984 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12985
12986         * c-common.h (GCC_DIAG_STYLE): Define.
12987         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
12988         version for format checking to 4.1.
12989         * c-format.c: Include toplev.h after c-common.h.
12990         (enum format_type): Add gcc_tdiag_format_type.
12991         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12992         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12993         (format_types_orig): Add gcc_tdiag.
12994         (init_dynamic_diag_info): Support gcc_tdiag formats.
12995         (handle_format_attribute): Likewise.
12996         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12997         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
12998         version for format checking to 4.1.
12999         (warning0, warning, error, pedwarn, sorry): Use
13000         ATTRIBUTE_GCC_DIAG.
13001         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
13002         (finish_aliases_1): Do not use %qE.
13003         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
13004         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
13005         Correct format bugs.
13006         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
13007         parameter to unsigned HOST_WIDE_INT.
13008         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
13009
13010 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
13011
13012         PR middle-end/21742
13013         * expr.c (write_complex_part): Use adjust_address for MEM.
13014         (read_complex_part): Same.
13015
13016 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
13017
13018         Fix PR tree-optimization/22280
13019
13020         * tree-sra.c (generate_element_init): Remove useless loop.
13021
13022 2005-07-02  Richard Henderson  <rth@redhat.com>
13023
13024         * config/alpha/alpha.c (alpha_legitimize_address): Check for
13025         TLS_MODEL_NONE.
13026         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
13027
13028 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
13029
13030         PR middle-end/14490
13031         * fold-const.c (fold_binary): Handle the return value of
13032         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
13033         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
13034
13035 2005-07-02  Jeff Law  <law@redhat.com>
13036
13037         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
13038         a eliminate type conversion which feeds an equality comparison
13039         if the original type or either operand in the comparison is a
13040         function pointer.
13041
13042 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
13043
13044         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
13045         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
13046         texts.
13047         * config/avr/avr.c: Do not use '`' as left quote.
13048         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
13049         Remove "." from end of diagnostics.  Make diagnostics start with
13050         lowercase letter.
13051
13052 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
13053             Joseph S. Myers  <joseph@codesourcery.com>
13054
13055         * toplev.c (default_tree_printer): Handle setting location with
13056         '+' flag.
13057         * c-objc.common.c (c_tree_printer): Likewise.
13058         * c-format.c (gcc_diag_flag_specs): Add '+'.
13059         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
13060         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
13061         formats.
13062         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
13063         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
13064         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
13065         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
13066         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
13067         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
13068         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
13069         format arguments where %J is used without %D.
13070
13071 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
13072
13073         * gcc.c (LINK_SSP_SPEC): Define.
13074         (link_ssp_spec): New variable.
13075         (LINK_COMMAND_SPEC): Add %(link_ssp).
13076         (static_specs): Add link_ssp_spec.
13077         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
13078         * configure: Rebuilt.
13079         * config.in: Rebuilt.
13080
13081         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
13082         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
13083         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
13084         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
13085         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
13086         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
13087         -0x7008(2) instead of reading __stack_chk_guard variable.
13088         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
13089         number.
13090         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
13091         (stack_protect_set, stack_protect_test): Use *_tls* patterns
13092         if TARGET_THREAD_SSP_OFFSET is defined.
13093         (stack_tls_protect_set_si, stack_tls_protect_set_di,
13094         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
13095
13096         Revert:
13097         2005-06-27  Richard Henderson  <rth@redhat.com>
13098         * libgcc-std.ver (GCC_4.1.0): New.
13099         * libgcc.h (__stack_chk_guard): Declare.
13100         (__stack_chk_fail, __stack_chk_fail_local): Declare.
13101         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
13102         * mklibgcc.in (lib2funcs): Add them.
13103
13104 2005-07-01  Richard Henderson  <rth@redhat.com>
13105
13106         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
13107         void * before struct sigcontext *.
13108         (x86_fallback_frame_state): Likewise.
13109
13110 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
13111
13112         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
13113
13114 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
13115
13116         PR tree-opt/22269
13117         * tree-ssa-reassoc.c (should_transpose): Fix which operand
13118         we check for SSA_NAME for.
13119
13120 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
13121
13122         Fix PR tree-optimization/22071
13123
13124         * tree-ssa-structalias.c (offset_overlaps_with_access): New
13125         function.
13126         (get_constraint_for_component_ref): Use it.
13127
13128 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
13129
13130         PR other/22264
13131         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
13132         print out the last new line.
13133
13134 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
13135
13136         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
13137         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
13138         * config/cris/cris.c (cris_conditional_register_usage): Adjust
13139         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
13140         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
13141         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
13142         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
13143         (enum reg_class): New member CC0_REGS.
13144         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
13145         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
13146         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
13147         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
13148         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
13149         Adjust for register now described.
13150
13151 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
13152
13153         PR target/22262
13154         * config/i386/i386.md (stack_protect_test_si,
13155         stack_protect_test_di): Add earlyclobber for scratch 3.
13156         * config/rs6000/rs6000.md (stack_protect_testsi,
13157         stack_protect_testdi): Add earlyclobber for scratch 3,
13158         remove earlyclobber from scratch 4.
13159
13160 Older entries for 2005 can be found in ChangeLog-2005.