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2005-12-30 Gabriel Dos Reis <gdr@integrable-solutions.net>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2005-12-30  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2
3         * c-pretty-print.h (struct c_pretty_print_info): Add new member
4         "constant". 
5         (pp_constant): New macro.
6         * c-pretty-print.c (pp_c_pretty_printer_init): Set pp->constant.
7
8 2005-12-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9
10         PR fortran/25586
11         * pa.md: Remove REG_POINTER check from REG+REG peephole2 floating-point
12         store patterns.
13
14 2005-12-29  Mike Stump  <mrs@apple.com>
15
16         * doc/invoke.texi (Objective-C and Objective-C++ Dialect Options
17         -fobjc-exceptions): Don't imply this doesn't work with the GNU
18         runtime.
19
20 2005-12-29  Nathan Sidwell  <nathan@codesourcery.com>
21
22         * varasm.c (get_section): Use gcc_assert.
23
24 2005-12-29  Paul Brook  <paul@codesourcery.com>
25
26         * config/m68k/m68k.h (RETURN_ADDR_RTX): Define.
27         * config/m68k/m68k.c (m68k_initial_elimination_offset): Remove FIXME.
28         Include offset due to FIRST_PARM_OFFSET.
29
30 2005-12-29  Paul Brook  <paul@codesourcery.com>
31
32         * config/m68k/lb1sf68.asm (__cmpdf2): Fix typo in immediate mask.
33         Create wrapper and rename body...
34         (__cmpdf2_internal): ... to this.  Return correct value for unordered
35         result.
36         (__cmpsf2): Create wrapper and rename body...
37         (__cmpsf2_internal): ... to this.  Return corerct value for unordered
38         result.
39         (__eqdf2, __nedf2, __gtdf2, __gedf2, __ltdf2, __ledf2): Use
40         __cmpdf2_internal.
41         (__eqsf2, __nesf2, __gtsf2, __gesf2, __ltsf2, __lesf2): Use
42         __cmpsf2_internal.
43
44 2005-12-29  Paul Brook  <paul@codesourcery.com>
45
46         * config/m68k/fpgnulib.c (__extendsfdf2): Handle negative zero.
47         (__truncdfsf2): Ditto.
48         (__extenddfxf2): Ditto.
49         (__truncxfdf2): Ditto.
50         * config/m68k/lb1sf68.asm (__addsf3): Return -0.0 for -0.0 + -0.0.
51         (__adddf3): Ditto.
52
53 2005-12-29  Daniel Jacobowitz  <dan@codesourcery.com>
54         Paul Brook  <paul@codesourcery.com>
55
56         * config/m68k/m68k.c (m68k_output_pic_call): Don't use bsr.l for
57         !TARGET_68020.
58         * config/m68k/t-m68kelf (EXTRA_PARTS): Remove.
59         (EXTRA_MULTILIB_PARTS): Set.
60         * config/m68k/t-uclinux (EXTRA_PARTS): Remove.
61         (EXTRA_MULTILIB_PARTS): Set.
62
63 2005-12-29  Alan Modra  <amodra@bigpond.net.au>
64
65         PR target/25572
66         * config/rs6000/rs6000.c (create_TOC_reference): Set regs_ever_live.
67
68 2005-12-28  Nathan Sidwell  <nathan@codesourcery.com>
69
70         * config.gcc (mt-*-*): Add --with-arch support.
71         (--with): Print accepted options on error.
72         * config/mt/mt.h (OPTION_DEFAULT_SPECS): Define.
73
74         * config/mt/mt.c (DEF_VEC_P(basic_block),
75         DEF_VEC_ALLOC_P(basic_bloc,heap)): Remove from here.
76
77 2005-12-28  Daniel Berlin  <dberlin@dberlin.org>
78
79         Fix PR tree-optimization/25394
80         * fold-const.c (fold_checksum_tree): Guard 
81         portions of checksumming with correct structure checks.
82
83 2005-12-27  Kazu Hirata  <kazu@codesourcery.com>
84
85         * global.c, tree-ssa-pre.c: Move DEF_VEC_P(basic_block) and
86         DEF_VEC_ALLOC_P(basic_block,{gc,heap}) to ...
87         * basic-block.h: ... here.
88
89 2005-12-27  Roger Sayle  <roger@eyesopen.com>
90
91         * fold-const.c (int_const_binop): Return NULL_TREE when an expression
92         can't be evaluated at compile-time (instead of calling abort).
93         Return NULL_TREE for division (and modulus) by zero.
94         (const_binop):  Return NULL_TREE for floating point operators that
95         aren't handled by real_arithmetic.
96         (fold_binary):  Eliminate "wins" variable, and "binary" label, by
97         folding operators with constant operands early.  Assert that
98         operands are non-NULL.
99
100 2005-12-27  Kazu Hirata  <kazu@codesourcery.com>
101
102         * tree-vrp.c (extract_range_from_binary_expr): Use
103         build_int_cst instead of fold_convert.
104
105 2005-12-26  Mark Mitchell  <mark@codesourcery.com>
106
107         PR c++/23171, c++/23172, c++/25417.
108         * c-decl.c (compound_literal_number): Remove.
109         (build_compound_literal): Use set_compound_literal_name.
110         * c-common.c (compound_literal_number): New variable.
111         (set_compound_literal_name): New function.
112         * c-common.h (set_compound_literal_name): Declare.
113         
114 2005-12-26  Kazu Hirata  <kazu@codesourcery.com>
115
116         PR tree-optimization/25125
117         * convert.c (convert_to_integer): Don't narrow the type of a
118         PLUX_EXPR or MINUS_EXPR if !flag_wrapv and the unwidened type
119         is signed.
120
121 2005-12-26  Graham Stott  <graham.stott@btinternet.com>
122
123         PR middle-end/25568
124         * combine.c (simplify_shift_const_1 <case PLUS>):Fix enable-checking
125         rtl bootstrap failure.
126
127 2005-12-25  Kazu Hirata  <kazu@codesourcery.com>
128
129         * final.c (compute_alignments): Make it static.
130         * gcse.c (gcse_main, bypass_jumps): Likewise.
131         * web.c (web_main): Likewise.
132         * output.h: Remove the prototype for compute_alignments.
133         * rtl.h: Remove the prototypes for web_main, gcse_main, and
134         bypass_jumps.
135
136 2005-12-24  Roger Sayle  <roger@eyesopen.com>
137
138         * expr.c (force_operand): Use expand_fix and expand_float to
139         implement integer <-> FP conversions instead of convert_to_mode.
140
141 2005-12-24  Mark Mitchell  <mark@codesourcery.com>
142
143         PR c++/23171
144         * varasm.c (initializer_constant_valid_p): An ADDR_EXPR of a
145         CONSTRUCTOR is invalid.
146
147 2005-12-23  Daniel Berlin  <dberlin@dberlin.org>
148
149         * tree-pass.h (pass_eliminate_useless_stores): Remove.
150         * tree-ssa-pre.c (is_copy_stmt): Ditto.
151         (follow_copies_till_vuse): Ditto.
152         (do_eustore): Ditto.
153         (gate_eustores): Ditto.
154         (pass_eliminate_useless_stores): Ditto.
155         * passes.c (init_optimization_passes): Ditto.
156
157 2005-12-23  Paolo Bonzini  <bonzini@gnu.org>
158
159         * combine.c (simplify_shift_const): Fix typo.  Use, whenever
160         applicable, simplify_const_binary_operation.
161
162         (simplify_shift_const): Leave only the fallback
163         case when no simplification is possible.  Extract to...
164         (simplify_shift_const_1): ... here.  Always create a new
165         RTX instead of substituting.  Remove the signed_count variable.
166         Return NULL_RTX if no substitution is possible.
167
168         (simplify_and_const_int): Leave only the fallback
169         case when no simplification is possible.  Extract to...
170         (simplify_and_const_int_1): ... here.  Always create a new
171         RTX instead of substituting.  Return NULL_RTX if no substitution
172         is possible.
173
174         (force_to_mode, simplify_comparison): Don't pass a non-NULL first
175         parameter to simplify_and_const_int and simplify_shift_const,
176         unless it is equal to the expected non-simplified result.
177
178 2005-12-23  Jakub Jelinek  <jakub@redhat.com>
179
180         PR target/25005
181         * regrename.c (replace_oldest_value_reg): Use validate_change with
182         IN_GROUP set to 1 instead of doing direct modifications.
183         (copyprop_hardreg_forward_1): Likewise.  If any replace_oldest_*
184         replacements have been performed on an instruction, use
185         apply_change_group ().
186
187 2005-12-23  Hans-Peter Nilsson  <hp@axis.com>
188
189         * config/cris/arit.c (do_31div): Clarify what "31" refers to.
190         [L_divsi3] (__Udiv): Don't use as inline function.
191         [L_modsi3] (__Umod): Ditto.
192         (__Div): Rearrange to call do_31div directly instead of __Udiv.
193         (__Mod): Similarly regarding __Umod.
194
195         PR target/24342
196         * config/cris/cris.c (cris_split_movdx): Add REG_INC notes for
197         emitted insns with post-increments.
198         (cris_expand_epilogue): Ditto.
199
200 2005-12-22  Jakub Jelinek  <jakub@redhat.com>
201             Richard Henderson  <rth@redhat.com>
202
203         Merge from gomp-branch.
204         * builtins.def: Move all DEF_SYNC_BUILTIN to ...
205         * sync-builtins.def: ... new file.
206         (BUILT_IN_FETCH_AND_ADD_16,
207         BUILT_IN_FETCH_AND_SUB_16, BUILT_IN_FETCH_AND_OR_16,
208         BUILT_IN_FETCH_AND_AND_16, BUILT_IN_FETCH_AND_XOR_16,
209         BUILT_IN_FETCH_AND_NAND_16, BUILT_IN_ADD_AND_FETCH_16,
210         BUILT_IN_SUB_AND_FETCH_16, BUILT_IN_OR_AND_FETCH_16,
211         BUILT_IN_AND_AND_FETCH_16, BUILT_IN_XOR_AND_FETCH_16,
212         BUILT_IN_NAND_AND_FETCH_16, BUILT_IN_BOOL_COMPARE_AND_SWAP_16,
213         BUILT_IN_VAL_COMPARE_AND_SWAP_16, BUILT_IN_LOCK_TEST_AND_SET_16,
214         BUILT_IN_LOCK_RELEASE_16): New builtins.
215         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
216         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
217         * builtins.c (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
218         * c-common.c (enum c_builtin_type): Move to top-level from
219         c_common_nodes_and_builtins enum builtin_type.
220         (builtin_types): Move from c_common_nodes_and_builtins.
221         (def_fn_type): New.
222         (c_common_nodes_and_builtins): Use it.
223         (def_builtin_1): Check for error_mark_node.
224         (sync_resolve_size): Handle also 128 bit sync builtins.
225         * Makefile.in (BUILTINS_DEF): New.  Use it instead of builtins.def.
226
227         * config/i386/i386.h (x86_cmpxchg8b, x86_cmpxchg16b): New decls.
228         (TARGET_CMPXCHG8B, TARGET_CMPXCHG16B): Define.
229         * config/i386/i386.c (x86_cmpxchg8b, x86_cmpxchg16b): New variables.
230         * config/i386/sync.md (CASMODE, DCASMODE): New mode macros.
231         (doublemodesuffix, DCASHMODE): New mode attrs.
232         (sync_compare_and_swap<mode>): Change into expand, use CASMODE
233         instead of IMODE, if mode is wider than a word, expand into
234         sync_double_compare_and_swap*.
235         (*sync_compare_and_swap<mode>): New insn.
236         (sync_double_compare_and_swap<mode>): Likewise.
237         (*sync_double_compare_and_swapdi_pic): Likewise.
238         (sync_compare_and_swap_cc<mode>): Use CASMODE instead of IMODE, if
239         mode is wider than a word, expand into
240         sync_double_compare_and_swap_cc*.
241         (sync_double_compare_and_swap_cc<mode>): New insn.
242         (*sync_double_compare_and_swap_ccdi_pic): Likewise.
243
244 2005-12-22  Richard Henderson  <rth@redhat.com>
245
246         * config/i386/mmintrin.h (_mm_add_si64): Only define for SSE2.
247         (_mm_sub_si64): Likewise.
248         * config/i386/xmmintrin.h (_mm_shuffle_pi16, _m_pshufw): Likewise.
249
250 2005-12-23  Alan Modra  <amodra@bigpond.net.au>
251
252         PR rtl-optimization/25432
253         * reload1.c (eliminate_regs_in_insn): Update insn code on
254         successfully re-recognizing modified insn.
255
256 2005-12-22  Richard Guenther  <rguenther@suse.de>
257
258         * tree.c (tree_fold_gcd): Use build_int_cst where appropriate.
259         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
260         * varasm.c (array_size_for_constructor): Likewise.
261         * fold-const.c (size_diffop, invert_truthvalue,
262         optimize_bit_field_compare, make_range, build_range_check,
263         fold_cond_expr_with_comparison, fold_truthop,
264         fold_single_bit_test_into_sign_test, fold_binary): Likewise.
265
266 2005-12-22  Dale Johannesen  <dalej@apple.com>
267
268         * config/i386/sse.md (sse_movhlps):  Reverse operands for
269         2nd and 3rd alternatives.
270
271 2005-12-22  Andrew Pinski <pinskia@physics.uc.edu>
272
273         PR tree-opt/25513
274         * tree-dfa.c (make_rename_temp): Set DECL_COMPLEX_GIMPLE_REG_P complex
275         variables.
276
277 2005-12-22  Zdenek Dvorak <dvorakz@suse.cz>
278             Steven Bosscher <stevenb@suse.de>
279
280         * df.c (df_bitmaps_free): Only work for bbs for that structures are
281         allocated.
282         (df_bb_modify): Realloc tables to the new index.
283         (df_find_use): New function.
284         (df_find_def, df_reg_used): Handle subregs.
285         * df.h (df_find_use): Declare.
286
287         * loop-invariant.c: Include hashtab.h.
288         (struct invariant): Remove processed field, add eqto and reg fields.
289         (struct invariant_expr_entry): New.
290         (invariant_for_use, hash_invariant_expr_1, invariant_expr_equal_p,
291         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv,
292         find_identical_invariants, merge_identical_invariants): New functions.
293         (create_new_invariant): Return the new invariant.  Initialize new
294         fields.
295         (find_invariants): Call merge_identical_invariants.
296         (get_inv_cost, best_gain_for_invariant, set_move_mark,
297         move_invariant_reg): Handle equivalent invariants.
298         * Makefile.in (loop-invariant.o): Add HASHTAB_H dependency.
299
300 2005-12-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
301
302         PR c++/23333
303         * c-lex.c (c_lex_with_flags): Add PURE_ZERO to cpp_flags if
304         number is a single digit '0'.
305
306 2005-12-22  Kazu Hirata  <kazu@codesourcery.com>
307
308         PR tree-optimization/23518
309         * fold-const.c (make_range): Don't move a constant to the
310         other side of the comparison if the type is signed and -fwrapv
311         is given.
312
313 2005-12-22  Kazu Hirata  <kazu@codesourcery.com>
314
315         * tree-vrp.c (extract_range_from_binary_expr): Clean up uses
316         of vr0.type.
317
318 2005-12-21  Joseph S. Myers  <joseph@codesourcery.com>
319
320         PR middle-end/24998
321         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add _floatundidf and
322         _floatundisf.
323
324 2005-12-21  Andrew Haley  <aph@redhat.com>
325
326         PR middle-end/25121
327         * recog.c (peephole2_optimize): Don't peephole any
328         RTX_FRAME_RELATED_P insns.
329
330 2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
331
332         * tree-data-ref.c (estimate_niter_from_size_of_data): Replace
333         fold_build2 with fold_binary.
334         * tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
335         Replace fold_build1 with fold_unary.
336         * tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
337         with fold_binary.
338
339 2005-12-21  Steven Bosscher  <stevenb@suse.de>
340
341         PR rtl-optimization/25196
342         * postreload-gcse.c (record_last_set_info): Notice stack pointer
343         changes in push insns without REG_INC notes.
344
345 2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
346
347         PR tree-optimization/25382.
348         * tree-vrp.c (extract_range_from_binary_expr): Extract a range
349         from BIT_AND_EXPR.
350
351 2005-12-21  Janis Johnson  <janis187@us.ibm.com>
352             Ben Elliston  <bje@au.ibm.com>
353
354         * configure.ac: Enable C extension for decimal float if invoked
355         with --enable-decimal-float.
356         * doc/install.texi (Configuration): Document it.
357         * configure, config.in: Regenerate.
358
359 2005-12-20  Mike Stump  <mrs@apple.com>
360
361         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
362         ambiguity between -seg_addr_table and -seg_addr_table_filename.
363         (WORD_SWITCH_TAKES_ARG): Likewise.
364         (LINK_SPEC): Likewise.
365
366 2005-12-20  Kenneth Zadeck <zadeck@naturalbridge.com>
367
368         * cfganal.c (flow_reverse_top_sort_order_compute):
369         Renamed to post_order_compute and additional parameter added which
370         allows the inclusion of entry and exit blocks into list.
371         (mark_dfs_back_edges): Fixed comment.
372         (flow_depth_first_order_compute): Renamed to
373         pre_and_rev_post_order_compute additional parameter added which
374         allows the inclusion of entry and exit blocks into list.
375         * global.c (set_up_bb_rts_numbers): Call to
376         flow_reverse_top_sort_order_compute renamed to
377         post_order_compute.
378         * var-tracking.c (vt_stack_adjustments): Fixed comment.
379         (vt_find_locations): Call to
380         flow_depth_first_order_compute renamed to
381         pre_and_rev_post_order_compute.
382         * cfgloop.c (flow_find_loops): Ditto.
383         * tree-ssa-reassoc.c (init_reassoc): Ditto.
384         * df.c (df_analyze_1, df_analyze_subcfg): Calls to
385         flow_reverse_top_sort_order_compute renamed to post_order_compute
386         and calls to flow_reverse_top_sort_order_compute renamed to
387         post_order_compute.
388         * basic_block.h: Ditto.
389
390
391 2005-12-20  Roger Sayle  <roger@eyesopen.com>
392             Paolo Bonzini  <bonzini@gnu.org>
393
394         PR rtl-optimization/25115
395         * gcse.c (pre_insert_copy_insn): Fall back to the sole
396         SET in the insn if there is no SET for an
397         expression that is equivalent to EXPR.
398
399 2005-12-20  Richard Guenther  <rguenther@suse.de>
400
401         PR middle-end/24306
402         * builtins.c (std_gimplify_va_arg_expr): Do not align
403         va frame for zero sized types.
404         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
405
406 2005-12-20  Kazu Hirata  <kazu@codesourcery.com>
407
408         PR tree-optimization/25501
409         * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
410         used in the PHI argument corresponding to the edge from BB to
411         DEST.
412
413 2005-12-20  Richard Guenther  <rguenther@suse.de>
414
415         Revert
416         2005-12-02  Richard Guenther  <rguenther@suse.de>
417
418         * tree-cfg.c (mark_used_vars): New function.
419         (dump_function_to_file): Dump only used VAR_DECLs.
420
421 2005-12-19  Roger Sayle  <roger@eyesopen.com>
422
423         * combine.c (try_combine): Improve splitting of binary operators
424         by taking advantage of reassociative transformations.
425
426 2005-12-19  Jeff Law  <law@redhat.com>
427
428         * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
429         Strip away all type conversions after simplifying the
430         condition.
431
432         * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
433         cases the forwarder block dominates the destination.
434
435 2005-12-19  DJ Delorie  <dj@redhat.com>
436
437         * reload1.c (spill_failure): Dump reload data to dump file.
438         (find_reload_regs): Likewise.
439
440 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
441
442         PR tree-optimization/24793
443         * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
444         original reference if there are subvars.
445         * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
446
447 2005-12-19  Kenneth Zadeck <zadeck@naturalbridge.com>
448
449         * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
450         Corrected basic block number calculations for changes in entry and
451         exit numbering.
452         
453 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
454
455         * tree-flow.h (struct var_ann_d): Change type of
456         may_aliases field to VEC(tree, gc) *.
457         (may_aliases): Declaration changed.
458         * tree-ssa-alias.c (group_aliases, add_may_alias,
459         replace_may_alias, dump_may_aliases_for,
460         is_aliased_with, add_type_alias, new_type_alias):
461         Work with VEC(tree, gc) * instead of varray.
462         * tree-flow-inline.h (may_aliases): Ditto.
463         * tree-ssa.c (verify_flow_insensitive_alias_info,
464         verify_name_tags): Ditto.
465         * tree-ssa-operands.c (add_stmt_operand): Ditto.
466
467 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
468
469         * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
470         comes back.
471
472 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
473
474         * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
475         check.
476
477 2005-12-19  Ben Elliston  <bje@au.ibm.com>
478
479         * doc/install.texi (Configuration): Typo in Fortran subheading.
480
481 2005-12-19  Nathan Sidwell  <nathan@codesourcery.com>
482
483         * config/mt/mt.md (decrement_and_branch_until_zero): Add another
484         scratch.  Correct its reload split. Adjust its peephole.
485         (doloop_end): Add additional scratch.
486         (nop): Use 'nop'.
487         * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
488         (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
489         (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
490         (mt_builtin_saveregs): Replace with ...
491         (mt_setup_incoming_varargs): ... here.  Save just the varadic
492         args.
493         (mt_va_start): Remove.
494         (mt_reorg_hazard): Ignore USE insns.  Don't call set_noop_p.
495         (mt_machine_reorg): Split all insns here.
496         (TARGET_SETUP_INCOMING_VARARGS): Override.
497         * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
498         Set to CPU type.
499         (EXPAND_BUILTIN_VA_START): Remove.
500
501 2005-12-17  Kenneth Zadeck <zadeck@naturalbridge.com>
502
503         * flow.c (update_life_info, count_or_remove_death_notes): Fixed
504         latent bug that could happen if update_life_info was called with a
505         blocks parameter and the call to cleanup_cfg actually deleted one
506         of those blocks. 
507
508 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
509
510         * tree-ssa-structalias.c (update_alias_info): Remove handling
511         of may_be_aliased (SSA_NAME_VAR (op)) case.
512
513 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
514
515         * tree-flow.h (struct stmt_ann_d): Remove
516         makes_aliased_loads and makes_aliased_stores fields.
517         * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
518         and makes_aliased_loads fields.
519         * tree-ssa-dom.c (eliminate_redundant_computations): Do not
520         use makes_aliased_stores.
521         * tree-ssa-operands.c (clobbered_aliased_loads,
522         clobbered_aliased_stores, ro_call_aliased_loads): Removed.
523         (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
524         add_call_read_ops): Do not set makes_aliased_stores and
525         makes_aliased_loads fields.
526         * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
527         field.
528
529 2005-12-18  Geoffrey Keating  <geoffk@apple.com>
530
531         * config/darwin.h: Don't include darwin-sections.def to declare
532         global variables; instead create darwin_section_enum.
533         (darwin_section_enum): New.
534         (darwin_sections): New.
535         * config/darwin.c: Don't include darwin-sections.def to define
536         global variables.
537         (darwin_sections): New.
538         (output_objc_section_asm_op): Rewrite to take advantage of
539         darwin_sections.
540         (darwin_init_sections): Rewrite to use darwin_sections.
541         (machopic_output_indirection): Update for darwin_sections array.
542         (machopic_select_section): Likewise.
543         (machopic_select_rtx_section): Likewise.
544         (machopic_asm_out_constructor): Likewise.
545         (machopic_asm_out_destructor): Likewise.
546         (darwin_file_end): Likewise.
547         * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
548         * config/i386/i386.c (machopic_output_stub): Likewise.
549
550 2005-12-18  Richard Guenther  <rguenther@suse.de>
551
552         PR tree-optimization/25481
553         * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
554         don't have a varinfo for.
555
556 2005-12-18  Jon Grimm  <jgrimm2@us.ibm.com>
557             Janis Johnson  <janis187@us.ibm.com>
558             Ben Elliston  <bje@au.ibm.com>
559
560         * optabs.c (init_floating_libfuncs): Handle decimal float modes.
561         (init_optabs): Handle libfuncs for decimal float.
562         * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
563         * stor-layout.c (int_mode_for_mode): Likewise.
564         * simplify-rtx.c (simplify_immed_subreg): Likewise.
565         (simplify_unary_operation_1): Skip optimisations for decimal float
566         modes.
567         * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
568         * emit-rtl.c (gen_const_vector): Add assertion check.
569         (init_emit_once): Populate const_tiny_rtx with constants in each
570         decimal float mode.
571         * expmed.c (extract_high_half, expand_mult_highpart_optab,
572         expand_mult_highpart): Assert that mode is not a scalar float
573         mode.
574         * expr.c (convert_move): Handle conversion between decimal and
575         binary floats of the same size.
576         * convert.c (convert_to_real): Consider decimal float types when
577         folding.
578         * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
579         describe decimal floating point types.
580         
581 2005-12-18  Ulrich Weigand  <uweigand@de.ibm.com>
582
583         PR rtl-optimization/21041
584         * reload.c (find_reloads_subreg_address): Replace paradoxical
585         subreg of MEM by widened access only if the resulting memory
586         is properly aligned, even on !STRICT_ALIGNMENT targets.
587
588 2005-12-18  Andreas Krebbel  <krebbel1@de.ibm.com>
589
590         * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
591
592 2005-12-18  Steven Bosscher  <stevenb@suse.de>
593
594         * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
595         the 2005-12-17 patch to renumber the entry and exit blocks.
596
597 2005-12-18  Gabriel Dos Reis  <gdr@integrable-solutions.net>
598
599         * doc/objc.texi (Type encoding): Fix typo.
600
601 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
602
603         * tree-tailcall.c (find_tail_calls): Use XNEW.
604         * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
605         (free_all_edge_infos): Use explicit cast to convert from void *.
606         (vrp_free): Likewise.
607         (dom_opt_finalize_block): Likewise.
608         (record_equivalences_from_incoming_edge): Likewise.
609         (thread_across_edge): Likewise.  Use XCNEWVEC.
610         (record_cond): Use XCNEW.
611         (record_conditions): Use XNEWVEC.
612         (record_edge_info): Use XCNEWVEC.
613         (lookup_avail_expr): Use XNEW.
614         (record_range): Likewise.  Use GGC_NEW.
615         * tree-nested.c (var_map_hash): Use explicit cast to convert from
616         void *.
617         (var_map_eq): Likewise.
618         (lookup_field_for_decl): Likewise.
619         (convert_nonlocal_reference): Likewise.
620         (convert_local_reference): Likewise.
621         (convert_nl_goto_reference): Likewise.
622         (convert_nl_goto_receiver): Likewise.
623         (convert_call_expr): Likewise.
624         (convert_tramp_reference): Likewise.
625         (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
626         (convert_nl_goto_reference): Likewise.
627         (lookup_field_for_decl): Use GGC_NEW.
628         (create_nesting_tree): Use GGC_CNEW.
629         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
630         * tree-ssa-alias.c (init_alias_info): Use XCNEW.
631         (create_alias_map_for): Likewise.
632         (setup_pointers_and_addressables): Use XCNEWVEC.
633         (get_ptr_info): Use GGC_NEW.
634         (used_part_map_eq): Use explicit cast to convert from void *.
635         (up_lookup): Likewise.
636         (up_insert): Use XNEW.
637         (get_or_create_used_part_for): Use XCNEW.
638         (get_tmt_for): Likewise.
639         * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
640         * tree-ssa-pre.c (phi_trans_add): Use XNEW.
641         (bitmap_set_new): Use explicit cast to convert from void *.
642         (set_new): Likewise.
643         (insert_into_set): Likewise.
644         (pool_copy_list): Likewise.
645         (phi_translate): Likewise.
646         (create_value_expr_from): Likewise.
647         (insert_aux): Use XCNEWVEC.
648         (compute_avail): Use XNEWVEC.
649         * tree-ssa-live.c (calculate_live_on_entry): Likewise.
650         (sort_coalesce_list): Likewise.
651         (build_tree_conflict_graph): Use XCNEWVEC.
652         * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
653         * tree-ssa-copy.c (init_copy_prop): Likewise.
654         (fini_copy_prop): Likewise.
655         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
656         and XCNEWVEC.
657         (record_equiv): Use XNEW.
658         (uncprop_into_successor_phis): Use explicit cast to convert from
659         void *.
660         (uncprop_initialize_block): Likewise.
661
662 2005-12-18  Dorit Nuzman  <dorit@il.ibm.com>
663
664         PR tree-optimization/24378      
665         * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
666         basic-block after loop-versioning. 
667
668 2005-12-18  Jeff Law  <law@redhat.com>
669
670         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
671         to simplify SWITCH_EXPR_CODE moved from here to ...
672         * tree-ssa-forwprop.c (simplify_switch_expr): Here.
673         (tree-ssa-forward_propagate_single_use_vars): Call
674         simplify_switch_expr when appropriate.
675
676 2005-12-17  Andrew Pinski  <pinskia@physics.uc.edu>
677
678         * doc/objc.texi (Type encoding): Add documentation about encoding
679         complex types and _Bool.
680
681 2005-12-17  Paul Brook  <paul@codesourcery.com>
682
683         * config/m68k/m68k.md (m68k_output_function_prologue): Always call
684         dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
685         when frame_pointer_needed. 
686
687 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
688
689         * tree-vn.c (vn_add): Use XNEW.
690         * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
691         (ccp_fold): Likewise.
692         (fold_stmt_r): Use explicit cast to convert from void *.
693         * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
694         (new_temp_expr_table): Likewise.
695         * gimplify.c (lookup_tmp_var): Use XNEW.
696         (gimplify_asm_expr): Use explcit cast to convert from void *.
697         * tree-into-ssa.c (get_ssa_name_ann): Likewise.
698         (get_def_blocks_for): Use XNEW.
699         (add_to_repl_tbl): Likewise.
700         (mark_def_sites): Use explicit cast to convert from void *.
701         (def_blocks_free): Likewise.
702         (mark_def_sites_initialize_block): Likewise.
703         (update_ssa): Use XNEWVEC.
704         * tree-dfa.c (create_var_ann): Use GGC_NEW.
705         (create_stmt_ann): Likewise.
706         (create_tree_ann): Likewise.
707         (referenced_var_insert): Likewise.
708         (set_default_def): Likewise.
709         (referenced_var_lookup_if_exists): Use explicit cast to convert
710         from void *.
711         (referenced_var_lookup): Likewise.
712         (default_def): Likewise.
713         (set_default_def): Likewise.
714         * tree-cfg.c (create_bb): Likewise.
715         (edge_to_cases_cleanup): Likewise.
716         (verify_node_sharing): Likewise.
717         (record_switch_edge): Use XNEW.
718         (cleanup_dead_labels): Use XCNEWVEC.
719         (tree_duplicate_sese_region): Use XNEWVEC.
720         * tree-scalar-evolution.c (get_instantiated_value): Likewise.
721         * tree-ssa.c (verify_ssa): Use XCNEWVEC.
722         (int_tree_map_eq): Use explicit cast to convert from void *.
723         * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
724         (__gcov_execl): Likewise.
725         (__gcov_execlp): Likewise.
726         (__gcov_execle): Likewise.
727         * tree-eh.c (struct_ptr_eq): Likewise.
728         (struct_ptr_hash): Likewise.
729         (lookup_stmt_eh_region_fn): Likewise.
730         (outside_finally_tree): Likewise.
731         (find_goto_replacement): Likewise.
732         (make_eh_edge): Likewise.
733         (mark_eh_edge): Likewise.
734         (add_stmt_to_eh_region_fn): Use GGC_NEW.
735         (record_in_finally_tree): Use XNEW.
736         (maybe_record_in_goto_queue): Use XRESIZEVEC.
737         (lower_try_finally_copy): Use XCNEWVEC.
738
739 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
740
741         * tree-inline.c (copy_body_r): Use explicit cast when converting
742         from void *.
743         (copy_bb): Likewise.
744         (copy_edges_for_bb): Likewise.
745         (remap_decl_1): Likewise.
746         (estimate_num_insns_1): Likewise.
747         * cgraph.c (hash_node): Use explicit cast when converting from
748         void *.
749         (eq_node): Likewise.
750         (cgraph_create_node): Use GGC_CNEW.
751         (cgraph_create_edge): Use GGC_NEW.
752         (cgraph_remove_node): Use explicit cast when converting from void *.
753         (hash_varpool_node): Likewise.
754         (eq_varpool_node): Likewise.
755         (cgraph_varpool_node): Use GGC_CNEW.
756         * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
757         * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
758         (eq_scev_info): Use explicit cast when converting from void *.
759         (find_var_scev_info): Likewise.
760         (set_instantiated_value): Likewise.
761         (gather_stats_on_scev_database_1): Likewise.
762         * cfgloop.h (simple_loop_desc): Use explicit cast when converting
763         from void *.
764         * c-pch.c (c_common_write_pch): Use XNEWVEC.
765         (c_common_read_pch): Likewise.
766         * prefix.c (save_string): Use XNEWVEC.
767         (translate_name): Use explicit cast when converting from void *.
768         * c-ppoutput.c (print_line): Use explicit cast when converting
769         from void *.
770         (pp_dir_change): Likewise.
771         * c-cppbuiltin.c (builtin_define_std): Likewise.
772         (builtin_define_with_value): Likewise.
773         (builtin_define_with_value_n): Likewise.
774         (builtin_define_with_int_value): Likewise.
775         (builtin_define_type_max): Likewise.
776         * c-incpath.c (add_env_var_paths): Use XNEWVEC.
777         (add_path): Use XNEW.
778         * c-format.c (check_format_info_main): Use GGC_NEW.
779         (format_type_warning): Use explicit cast when converting from void *.
780         * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
781         xmalloc. 
782         (start_init): Likewise.
783         * tree-flow-inline.h (first_referenced_var): Use explicit cast
784         when converting from void *.
785         (next_referenced_var): Likewise.
786         * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
787         * gensupport.c (lookup_predicate): Use explicit cast to convert
788         from void *.
789         (init_predicate_table): Use XCNEW instead of xcalloc.
790         * genpreds.c (process_define_predicate): Likewise.
791
792 2005-12-17  Danny Berlin <dberlin@dberlin.org>
793             Kenneth Zadeck <zadeck@naturalbridge.com>
794
795         * basic-block.h: Changed basic block numbering so that the entry
796         block is 0 and the exit block is 1.  Changed insn iterators so
797         that they are tolerant of blocks with no insns.
798         * regrename.c (copyprop_hardreg_forward): Changed basic block
799         numbering so that the entry block is 0 and the exit block is 1.
800         * sched-ebb.c (sehedule_ebbs): Ditto.
801         * tracer.c (branch_ratio_cutoff): Ditto.
802         * cfgloopmanip.c (fix_loop_structure): Ditto.
803         * cfghooks.c (verify_flow_info): Ditto.
804         * cfg.c (compact_blocks): Ditto.
805         * reorg.c (dbr_schedule): Ditto.
806         * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
807         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
808         calculate_dominance_info): Ditto.
809         * cfganal.c (create_edge_list, print_edge_list,
810         flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
811         flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
812         dfs_enumerate_from): Ditto.
813         * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
814         * ifcvt.c (find_if_case_2): Ditto.
815         * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
816         find_basic_blocks): Ditto.
817         * predict.c (predict_loops, tree_bb_level_predictions,
818         predict_paths_leading_to, propagate_freq): Ditto.
819         * lcm.c (compute_antinout_edge, compute_laterin,
820         compute_available): Ditto.
821         * function.c (thread_prologue_and_epilogue_insns): Ditto.
822         * gcse.c (gcse_main, bypass_jumps): Ditto.
823         * profile.c (compute_branch_probabilities,
824         compute_value_histograms, branch_prob): Ditto.
825         * tree-flow-inline.h (bsi_start, bsi_after_labels,
826         bsi_last): Ditto.
827         * tree-ssa-phiopt.c (tree_ssa_phiopt,
828         blocks_in_phiopt_order): Ditto.
829         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
830         compute_out, link_btr_uses, migrate_btr_defs): Ditto.
831         * tree-dfa.c (collect_dfa_stats): Ditto.
832         * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
833         * cfglayout.c (fixup_reorder_chain): Ditto.
834         * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
835         partition_hot_cold_basic_blocks): Ditto.
836         * var-tracking.c (vt_find_locations): Ditto.
837         * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
838         * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
839         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
840         label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
841         * tree-ssa-reassoc.c (init_reassoc): Ditto.
842         * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
843         rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
844         * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
845         and removed unused reverse orders.
846         * df.h (): Ditto.
847         * combine.c: Fix document typo.
848
849 2005-12-17  Jan Hubicka  <jh@suse.cz>
850
851         * tree-flow-inline.h (set_default_def, default_def): Kill.
852         * tree-dfa.c (default_defs): New global variable.
853         (default_def, set_default_def): New functions.
854         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
855         * tree-flow.h (struct var_ann_d): Kill default_def field.
856         (set_default_def, default_def): Update prototype.
857         (default_defs): Declare.
858
859 2005-12-16  Jeff Law  <law@redhat.com>
860
861         * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
862         (simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
863         into tree-ssa-forwprop.c.
864         (eliminate_redundant_computations): Do not call
865         simplify_rhs_and_lookup_avail_expr anymore.
866         * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
867         extracted from remnants of simplify_rhs_and_lookup_avail_expr.
868         (tree_ssa_forward_propagate_single_use_vars): Call
869         simplify_not_neg_expr appropriately.
870
871 2005-12-16  Bernd Trog  <berndtrog@yahoo.com>
872
873         PR target/20016
874         * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
875
876 2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
877
878         PR rtl-optimization/25456
879         * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
880         info->x_start with p->x_start.
881
882 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
883
884         * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
885         introduced 2005-12-16.
886
887 2005-12-16  Steven Bosscher  <stevenb@suse.de>
888
889         PR rtl-optimization/23837
890         * optabs.c (expand_binop): For a multi-word rotate, never emit
891         a REG_NO_CONFLICT block.
892
893 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
894
895         PR middle-end/25457
896         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
897
898         PR target/25447
899         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
900         MODE_DECIMAL_FLOAT.
901
902 2005-12-16  Steven Bosscher  <stevenb@suse.de>
903
904         * loop-invariant.c (move_loop_invariants): Add missing hunk from
905         the previous patch, to nullify df.
906
907 2005-12-16  Steven Bosscher  <stevenb@suse.de>
908
909         * reorg.c (mostly_true_jump): Clean up code depending on
910         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
911         poor man's branch prediction, instead rely on REG_BR_PROB
912         notes to be available.
913
914 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
915
916         PR rtl-optimization/24899
917         * loop.c (strength_reduce): Don't reduce giv that is not always
918         computable and where add_val or mult_val can trap.
919
920         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
921
922 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
923
924         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
925         names of ms1-16-002 files.
926
927 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
928
929         PR driver/20425
930         * gcc.c (for_each_path): New function.
931         (add_to_obstack, file_at_path): New functions.
932         (struct file_at_path_info, struct add_to_obstack_info): New.
933         (build_search_list): Rewrite using for_each_path.  Constify struct
934         path_prefix pointer.  Add do_multi param.  Adjust all callers.
935         (find_a_file): Similarly, but just change existing param to bool.
936         (putenv_from_prefixes): Add do_multi param, make "paths" const.
937         (do_spec_path): Delete.
938         (struct spec_path_info): New.
939         (spec_path): New function.
940         (do_spec_1): Use for_each_path for %D and %I.
941         (find_file): Adjust for find_a_file changes.
942         (main): Search multilibs for specs.  Print multilib lib path for
943         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
944         (read_specs): Search multilibs for %include and %include_noerr.
945         (is_directory): Remove second string param.  Change last param
946         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
947         check path is a dir.  Update all callers.
948         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
949         * system.h (SMALL_ARG_MAX): Poison.
950         * config.gcc: Don't define SMALL_ARG_MAX.
951         * config.host: Likewise.
952         * config.build: Likewise.
953
954 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
955
956         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
957         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
958         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
959         simplify_logical): Move simplifications that do not require
960         additional infrastructure...
961         * simplify-rtx.c (simplify_unary_operation_1,
962         simplify_binary_operation_1): ... here.
963
964 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
965
966         PR 24823
967         * flow.c (mark_used_dest_regs): New function.
968         (mark_used_regs): Call mark_used_dest_regs.
969
970 2005-12-16  Jeff Law  <law@redhat.com>
971
972         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
973         represent a use and definition of the same SSA_NAME.
974
975 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
976             Janis Johnson  <janis187@us.ibm.com>
977             Ben Elliston  <bje@au.ibm.com>
978
979         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
980         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
981         * target.h (struct gcc_target): Add decimal_float_supported_p.
982         * targhooks.c (default_scalar_mode_supported_p): Handle
983         MODE_DECIMAL_FLOAT.
984         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
985         of inf, nan, finite, isinf and isnan.
986         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
987         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
988         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
989         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
990         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
991         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
992         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
993         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
994         Pedwarn if decimal floating point types are used.  Error if
995         decimal floating point is not supported by the target.
996         (finish_declspecs): Return type from DFP typespec_word.
997         * c-typeck.c (c_common_type): Choose the decimal floating point
998         type with the greater precision when determining a common type.
999         (convert_arguments): Warn if there is a mismatch between argument
1000         and prototype for decimal float types.  Warn of conversions with
1001         binary float types and of precision narrowing due to prototype.
1002         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
1003         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
1004         (c_token_starts_declspecs): Likewise.
1005         (c_parser_attributes): Likewise.
1006         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
1007         RID_DFLOAT64, RID_DFLOAT128.
1008         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
1009         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
1010         (shorten_compare): Convert DFP/BFP operands to a common type.
1011         (c_common_modes_and_builtins): Register built-in decimal float
1012         types if the target supports them.
1013         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
1014         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
1015         inf, nan, finite, isinf and isnan builtins.
1016         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
1017         (builtin_define_float_constants): Assert non-decimal radix.
1018         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
1019         Call builtin_define_decimal_float_constants for each type.
1020         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
1021         flags.  Use real_from_string3, which can handle binary or decimal
1022         floats.
1023         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
1024         cts_dfloat64, cts_dfloat128.
1025         * tree.c (build_common_tree_nodes_2): Add decimal float types.
1026         * tree.h (enum tree_index): Add new enumeration values
1027         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
1028         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
1029         (dfloat32_type_node): New macro.
1030         (dfloat64_type_node, dfloat128_type_node): Likewise.
1031         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
1032         (dfloat128_ptr_type_node): Likewise.
1033         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
1034         bit decimal floating point types with "df", "dd" and "dl".
1035         * c-format.h (enum format_lengths): Add new enumeration values
1036         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
1037         * c-format.c (printf_length_specs, scanf_length_specs): Add
1038         entries for H, D, DD.
1039         (print_char_table, scan_char_table): Use new entries.
1040         (asm_fprintf_char_table, gcc_diag_char_table,
1041         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
1042         length arrays.
1043         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
1044         (DECIMAL64_TYPE_SIZE): Likewise.
1045         (DECIMAL128_TYPE_SIZE): Likewise.
1046         (TARGET_DEC_EVAL_METHOD): Likewise.
1047         * doc/extend.texi (Decimal Float): New node.
1048         (Constructing Calls): Document decimal float built-ins.
1049         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
1050         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
1051         * ginclude/decfloat.h: New file.
1052
1053 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
1054
1055         * reload.c (find_reloads): Fix comment typo.
1056         * recog.h (recog_memoized): Correct comment.
1057
1058 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
1059
1060         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
1061         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
1062         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
1063         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
1064         * doc/invoke.texi, doc/tm.texi: Fix typos.
1065
1066 2005-12-16  Ben Elliston  <bje@au.ibm.com>
1067
1068         * real.c (decimal_quad_format): Correct values for emin, emax.
1069
1070 2005-12-15  DJ Delorie  <dj@redhat.com>
1071
1072         * config/m32c/predicates.md (m32c_psi_scale): New.
1073         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
1074         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
1075
1076 2005-12-16  Jan Hubicka  <jh@suse.cz>
1077
1078         PR rtl-optimization/25224
1079         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
1080         tables.
1081
1082 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
1083             Steven Bosscher <stevenb@suse.de>
1084
1085         * loop-invariant.c (df): New global variable.
1086         (find_defs, check_dependencies, find_invariant_insn, record_uses,
1087         find_invariants_bb, find_invariants_body, find_invariants,
1088         find_invariants_to_move, move_invariants, free_inv_motion_data,
1089         move_single_loop_invariants, move_loop_invariants): Do not pass df in
1090         arguments.
1091
1092 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
1093
1094         * varasm.c (default_unique_section_1): Use special section
1095         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
1096
1097 2005-12-16  Ben Elliston  <bje@au.ibm.com>
1098
1099         * doc/invoke.texi (Warning Options): Document -Walways-true being
1100         enabled by -Wall.
1101
1102 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
1103
1104         PR other/25028
1105         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
1106         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
1107         __floatunditf): Use #error if type sizes don't match requirements
1108         of implementation.
1109         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
1110         as wider floating-point type.  Use #error if type sizes don't
1111         match requirements of implementation.  Avoid overflow in computing
1112         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
1113         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
1114         (__floatundisf, __floatundidf): Likewise.
1115         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
1116         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1117         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
1118         TFmode-TImode conversions.
1119         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
1120
1121 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
1122
1123         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
1124         Use builtin_define_with_int_value() instead of
1125         adding a new check for every new major FreeBSD version.
1126
1127 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
1128
1129         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
1130
1131 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
1132
1133         * config/arm/predicates.md (call_memory_operand): New.
1134         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
1135
1136 2005-12-15  Andrew Haley  <aph@redhat.com>
1137
1138         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
1139         against prev_cache_entry == NULL when moving a cache entry to the
1140         head of the list.
1141         
1142 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1143
1144         * config/mt/mt.c (mt_override_options): Require lower case
1145         architectures.  Revert accidental default to ms2.
1146         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
1147         ENDFILE_SPEC): Require lower case architectures.  Revert default
1148         to ms2.
1149
1150         * doc/invoke.texi (MT Options): Rename and update.
1151         * doc/md.texi (MorphoTech family): Rename and update.
1152
1153 2005-12-15  Olivier Hainque  <hainque@adacore.com>
1154
1155         * stor-layout.c (layout_type): Don't complain about a too small
1156         an array element type size compared to its alignment when the
1157         size overflows.
1158
1159 2005-12-15  Jan Hubicka  <jh@suse.cz>
1160
1161         PR target/24969
1162         * i386.c (classify_argument): Properly adjust offset of bitfield for
1163         substructures.
1164
1165 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
1166
1167         * final.c (final_scan_insn): Flip in_cold_section_p when changing
1168         between the hot and cold sections.  Use current_function_section
1169         to get the new section.
1170         * dwarf2out.c (output_line_info): Use in_cold_section_p to
1171         determine whether we are assembling hot or cold code.
1172         (secname_for_decl, dwarf2out_var_location): Likewise.
1173         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
1174         * varasm.c (last_text_section): Delete.
1175         (in_cold_section_p): New variable.
1176         (hot_function_section): New function.
1177         (current_function_section): Pass in_cold_section_p as the
1178         reloc argument to select_section.  Use it to decide between
1179         unlikely_function_section and hot_function_section.
1180         (assemble_start_function): Use switch_to_section.  Set
1181         in_cold_section_p instead of last_text_section.
1182         (assemble_end_function): Use switch_to_section.
1183         (switch_to_section): Don't set last_text_section.
1184         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
1185         argument to make the right choice between hot and cold sections.
1186
1187 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1188
1189         Second part of MS1->MT renaming
1190         * config/mt/mt.md (doloop_end): Call mt_add_loop.
1191         (movqi, movhi): Call mt_set_memflags.
1192         (*movdf_internal): Call mt_split_words. 
1193         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
1194         mt_set_memflags.
1195         (cmpsi): Store to mt_compare_op[01].
1196         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
1197         bungt, bunle, bunlt): Call mt_emit_cbranch.
1198         (prologue): Call mt_expand_prologue.
1199         (epilogu): Call mt_expend_epilogue.
1200         (eh_return): Call mt_expand_eh_return.
1201         (eh_epilogue): Call me_emit_eh_epilogue.
1202         (conditional_trap): Store to mt_compare_op[01].
1203         * config/mt/crti.asm: Adjust comment.
1204         * config/mt/crtn.asm: Adjust comment.
1205         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
1206         (mt_compare_op0, mt_compare_op1): Renamed.
1207         (current_frame_info, zero_frame_info): Adjust type.
1208         (mt_ucmpsi3_libcall): Renamed.
1209         (mt_flag_delayed_branch): Renamed.
1210         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
1211         (mt_nops_required, mt_nop_reasons): Renamed.
1212         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
1213         mt_debug_stack, mt_print_operand_simple_address,
1214         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
1215         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
1216         mt_function_arg_advance, mt_arg_partial_bytes,
1217         mt_pass_by_reference, mt_function_arg_boundary,
1218         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
1219         mt_legitimate_address_p): Renamed, adjusted.
1220         (mt_cpu): Renamed.
1221         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
1222         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
1223         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
1224         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
1225         mt_expand_eh_return, mt_emit_eh_prologue,
1226         mt_handl_interrupt_attribute): Renamed, adjusted.
1227         (mt_attribute_table): Renamed, adjusted.
1228         (mt_initial_elimination_offset, mt_generate_compare,
1229         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
1230         mt_secondary_reload_class, mt_function_value, mt_split_words,
1231         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
1232         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
1233         (mt_labels): Renamed.
1234         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
1235         mt_machine_reorg): Renamed, adjusted.
1236         (mt_attribute_table: Renamed.
1237         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
1238         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
1239         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
1240         * config/mt/mt.opt (march): Set mt_cpu_string.
1241         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
1242         (TARGET_CPU_CPP_BUILTINS): Adjust.
1243         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
1244         TARGET_MS2): Adjust.
1245         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
1246         (MT_MIN_INT): Renamed.
1247         (RETURN_ADDR_RTX): Adjust.
1248         (struct mt_frame_info): Renamed.
1249         (current_frame_info): Adjust type.
1250         (INITIAL_ELIMINATION_OFFSET): Adjust.
1251         (MT_NUM_ARG_REGS): Renamed.
1252         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
1253         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
1254         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
1255         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
1256         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
1257         (mt_compare_op0, mt_compare_op1): Renamed.
1258         * config/mt/mt-protos.h: Rename prototypes.
1259
1260 2005-12-15  Richard Guenther  <rguenther@suse.de>
1261
1262         * tree-flow.h (okay_component_ref_for_subvars): Remove.
1263         (get_ref_base_and_extent): Declare.
1264         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
1265         (get_ref_base_and_extent): New function.
1266         * tree-ssa-alias.c (find_used_portions): Use it.
1267         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1268         Likewise.
1269         * tree-ssa-operands.c (get_expr_operands): Likewise.
1270
1271 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
1272
1273         * combine.c: Remove force_to_mode's fourth parameter.
1274         (force_to_mode): Do not handle REG.
1275         (canon_reg_for_combine): New.
1276         (make_field_assignment): Use it where the removed argument was non-NULL.
1277
1278 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
1279
1280         PR target/25406
1281         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
1282         error_mark_node.  Make alignment params unsigned.
1283         * config/rs6000/rs6000-protos.h
1284         (rs6000_special_round_type_align): Update prototype.
1285         (rs6000_machopic_legitimize_pic_address): Remove arg names.
1286
1287 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
1288
1289         PR rtl-optimization/25310
1290         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
1291         of the eliminable register when substituting into a PLUS.
1292
1293 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
1294
1295         PR debug/25023
1296         * config/i386/i386.c (ix86_force_to_memory): Always use
1297         SImode push for HImode in -m32.
1298         (ix86_free_from_memory): Likewise.
1299
1300 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
1301
1302         * gcc/config/arm/arm.md: Provide a big-endian version of the
1303         (zero_extend:SI (subreg:QI ...)) splitter.
1304
1305 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1306
1307         * struct-equiv.c (note_local_live): Handle hard regs with different
1308         hard_regno_nregs.
1309
1310 2005-12-14  Jeff Law  <law@redhat.com>
1311
1312         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
1313         to a structure containing state rather than a pointer to bool.
1314         (case ARRAY_REF): New code to handle folding some array references.
1315         (case ADDR_EXPR): Note when we are processing expressions found
1316         within an ADDRE_EXPR.
1317         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
1318         for state variables rather than just a pointer to a boolean.
1319         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1320         handling of constant string references.
1321
1322 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1323
1324         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
1325         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
1326         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
1327         Move other tst* patterns to retain partial order.
1328
1329 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1330
1331         * config/s390/s390.md ("d0", "1"): New mode attributes.
1332         ("<shift>di3", "<shift>si3"): Merge.
1333         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
1334         ("ashrdi3", "ashrsi3"): Merge.
1335         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
1336         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
1337         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
1338         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
1339         ("*ashrdi3", "*ashrsi3"): Merge.
1340         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
1341
1342 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1343
1344         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
1345         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
1346         ("*extendqidi2", "*extendqisi2") Merge.
1347         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
1348         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1349         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1350         Move some patterns to retain partial ordering.
1351
1352 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1353
1354         * config/s390/s390.md ("atype", "length"): Rewrite.
1355         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1356
1357 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1358
1359         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1360
1361 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1362
1363         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1364         PARALLELs with a mode.
1365
1366 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1367
1368         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1369         cond_expr parameter.
1370
1371 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1372
1373         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1374
1375 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1376
1377         PR bootstrap/25397:
1378
1379         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1380         of STACK_REGS bits.
1381
1382         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1383
1384 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
1385
1386         PR target/25254
1387         PR target/24188
1388         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1389         DECL_P, call get_section rather than get_named_section.  Supply
1390         section flags to it.
1391
1392 2005-12-14  Ben Elliston  <bje@au.ibm.com>
1393
1394         * c-common.c (c_common_truthvalue_conversion): Generalise warning
1395         for addresses converted to booleans; not just function addresses.
1396         * c-typeck.c (build_binary_op): Warn for address comparisons which
1397         can never be NULL (eg. func == NULL or &var == NULL).
1398         * common.opt (Walways-true): New option.
1399         * c-opts.c (c_common_handle_option): Set it with -Wall.
1400         * doc/invoke.texi: Document it.
1401
1402 2005-12-13  Paul Brook  <paul@codesourcery.com>
1403
1404         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1405         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1406
1407 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1408
1409         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1410         (EXTRA_MULTILIB_PARTS): Define.
1411
1412 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1413
1414         PR rtl-optimization/20070 / part1
1415         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1416         count_or_remove_death_notes with kill == -1.
1417         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1418         registers if PROP_POST_REGSTACK is set.
1419         (mark_used_reg): Likewise.
1420         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1421         REG_UNUSED notes for stack regs.
1422         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1423         to match rtx_equiv_p machinery.  Change caller.
1424         (outgoing_edges_match): Likewise.
1425         (try_crossjump_to_edge): Use struct_equiv_block_eq
1426         instead of flow_find_cross_jump.
1427         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1428         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1429         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1430         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1431         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1432         (insns_match_p): Update prototype.
1433         (flow_find_cross_jump): Remove prototype.
1434         (struct_equiv_block_eq, struct_equiv_init): Declare.
1435         (rtx_equiv_p, condjump_equiv_p): Likewise.
1436         * struct-equiv.c: Include reload.h.
1437         (IMPOSSIBLE_MOVE_FACTOR): Define.
1438         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1439         (struct_equiv_improve_checkpoint): Likewise.
1440         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1441         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1442         (struct_equiv_merge, find_dying_input): Likewise.
1443         (resolve_input_conflict, note_local_live): Likewise.
1444         (death_notes_match_p): Change parameters and processing
1445         to match rtx_equiv_p machinery.  Change caller.
1446         (insns_match_p): Likewise.
1447         (flow_find_cross_jump): Replace with:
1448         (struct_equiv_block_eq).
1449
1450         Back out this change:
1451         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1452           * recog.c (verify_changes): Make it static.
1453           * recog.h: Remove the corresponding prototype.
1454
1455 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1456
1457         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1458         values.
1459
1460 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1461
1462         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1463         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
1464         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1465         TARGET_MS1_64_001 appropriately.
1466         (ms1_machine_reorg): Use TARGET_MS2.
1467
1468 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
1469
1470         PR debug/25023
1471         PR target/25293
1472         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1473         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1474         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1475         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1476         Set mode to SI, adjust constraints.
1477         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1478         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1479         32-bit code.
1480
1481 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
1482
1483         * c-cppbuiltin.c (builtin_define_float_constants): Add
1484         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1485         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1486         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1487         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1488         to "((double)%sL)" otherwise "%s".
1489
1490 2005-12-13  Paul Brook  <paul@codesourcery.com>
1491
1492         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1493         apcs/atpcs.
1494
1495 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1496
1497         * tree-flow.h: Allow compilation with a C++ compiler.
1498         (struct edge_prediction): Prefix all field names  with "ep_".
1499         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1500         (tree_predict_edge, combine_predictions_for_bb): Likewise.
1501         (remove_predictions_associated_with_edge): Likewise.
1502         
1503 2005-12-12  Jeff Law  <law@redhat.com>
1504
1505         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1506         reassociation code.
1507         * passes.c (init_optimization_passes): Run reassociation again
1508         after loop optimizations.
1509
1510 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
1511
1512         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1513         if necessary.
1514         (optimize_stmt): Ditto.
1515         (canonicalize_comparison): New function.
1516         * tree-ssa-operands.c (swap_tree_operands): Make external.
1517         (get_expr_operands): Stop auto-canonicalization.
1518         * tree-ssa-reassoc.c: Rewrite.
1519         (init_optimization_passes): 
1520         * tree-flow.h (swap_tree_operands): Prototype.
1521         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1522
1523 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1524
1525         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1526         indicate function epilogue has been output.
1527         (pa_asm_output_mi_thunk): Likewise.
1528         (output_deferred_plabels): Put plabels in readonly data section when
1529         not generating PIC code.
1530         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1531         information.  Add assert.
1532         (som_output_comdat_data_section_asm_op): New function.
1533         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1534         instead of output_section_asm_op for COMDAT sections.
1535
1536 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
1537
1538         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1539         Fix whitespace in vincinity of to-be-installed changes.
1540         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1541         (insns_match_p): Likewise.
1542
1543 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
1544
1545         * config.gcc (ms1): Replace with ...
1546         (mt): ... this.
1547         * config/ms1: Rename to ...
1548         * config/mt: ... here.  Rename ms1 files to mt.
1549         * config/mt/mt.c: Adjust gt-mt.h #include.
1550         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1551         (crti.o, crtn.o): Adjust file names.
1552
1553 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1554
1555         * varray.h: Allow compilation with a C++ compiler.
1556         (union varray_data_tag): Prefix all field names with "vdt_".
1557         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1558         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1559         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1560         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1561         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1562         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1563         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1564         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
1565         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
1566         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
1567         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
1568         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
1569         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
1570         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1571         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
1572         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
1573         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
1574         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
1575         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
1576         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
1577         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
1578         VARRAY_TOP_TREE_PTR): Likewise.
1579         * varray.c (varray_grow): Likewise.
1580         (varray_clear): Likewise.
1581
1582 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
1583
1584         PR target/25299
1585         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1586         alignment to doubleword if the first field is a double array.
1587         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1588
1589 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1590
1591         * tree-ssa-structalias.c (process_constraint): Remove code to
1592         transform addressofs into scalar.
1593         (create_variable_info_for): In whole-program IPA, globals don't
1594         point to ANYTHING by default.
1595
1596 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1597
1598         * timevar.def (TV_IPA_PTA): New.
1599         * tree-pass.h (pass_ipa_pta): New
1600         * tree-ssa-structalias.c: Include cgraph.h
1601         (in_ipa_mode): New.
1602         (predbitmap_obstack): New.
1603         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1604         (struct constraint_stats): Add num_edges.
1605         (new_var_info): Don't call bitmap_clear.
1606         (struct constraint_edge): Update docs.
1607         (new_constraint_edge): Remove src param.
1608         (struct constraint_graph): Add zero_weight_succs,
1609         zero_weight_preds.  Update docs.
1610         (constraint_expr_equal): Reformat.
1611         (constraint_edge_equal): Update for removal of src.
1612         (constraint_edge_less): Ditto.
1613         (constraint_edge_vec_find): Ditto.
1614         (erase_graph_self_edge): Update for removal of src and and zero
1615         weight bitmap.
1616         (clear_edges_for_node): Ditto.
1617         (add_graph_edge): Ditto.
1618         (get_graph_weights): Ditto.
1619         (allocate_graph_weights): Ditto.
1620         (merge_graph_nodes): Ditto.
1621         (int_add_graph_edge): Ditto.
1622         (valid_graph_edge): Ditto.
1623         (valid_weighted_graph_edge): Ditto.
1624         (build_constraint_graph): Ditto.
1625         (scc_visit): Ditto.
1626         (collapse_nodes): Ditto.
1627         (process_unification_queue): Ditto.
1628         (topo_visit): Ditto.
1629         (solve_graph): Ditto.
1630         (do_structure_copy): Ditto.
1631         (perform_var_substitution): Ditto.
1632         Init and release obstack.
1633         (handle_ptr_arith): Try to resolve directly.
1634         (find_func_aliases): Don't call update_alias_info here
1635         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1636         (do_sd_constraint): Add code for propagating faster.
1637         Update.
1638         (do_ds_constraint): Ditto.
1639         (count_num_arguments): New function.
1640         (create_function_info_for): Ditto.
1641         (create_variable_info_for): Handle FUNCTION_DECL.
1642         (intra_create_variable_infos): Use make_constraint_to_anything.
1643         (init_alias_vars): Init obstacks here.
1644         (need_to_solve): Handle zero weight graph changes.
1645         (compute_points_to_sets): Call update_alias_info here.
1646         (delete_points_to_sets): Free zero weight preds/succs here.
1647         (gate_ipa_pta): New.
1648         (ipa_pta_execute): New
1649
1650 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1651
1652         * tree-ssa-structalias.c (var_anyoffset): Removed.
1653         (anyoffset_tree): Ditto.
1654         (anyoffset_id): Ditto.
1655         (do_deref): Take vector of constraints, no return value.
1656         Update to work on vector.                
1657         (get_constraint_for): Ditto.
1658         (get_constraint_for_component_ref): Ditto.
1659         (do_structure_copy): Ditto.
1660         (handle_ptr_arith): Ditto.
1661         (find_func_aliases): Ditto.
1662         (set_uids_in_ptset): Remove anyoffset handling.
1663         (init_base_vars): Ditto.
1664
1665 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
1666
1667         PR c++/25010
1668         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1669         DECL_EXTERNAL functions have no bodies.  Tidy.
1670
1671 2005-12-10  Andreas Schwab  <schwab@suse.de>
1672
1673         * except.c (switch_to_exception_section): Only define if
1674         TARGET_UNWIND_INFO is not defined.
1675
1676 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1677
1678         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1679         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1680
1681 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1682
1683         * output.h (init_section, fini_section): Delete.
1684         * varasm.c (init_section, fini_section): Delete.
1685         (init_varasm_once): Don't initialize them.
1686         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1687         there are no corresponding varasm.c variables.
1688
1689 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1690
1691         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1692         of EH_FRAME_SECTION_NAME into...
1693         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
1694         if it is still null.
1695         * except.c (default_exception_section): Delete, moving most
1696         of the code to...
1697         (switch_to_exception_section): ...this new function.  Set
1698         exception_section if it is still null, then switch to it.
1699         (output_function_exception_table): Use switch_to_exception_section.
1700         * varasm.c (exception_section, eh_frame_section): Update comments.
1701         (get_section): Hoist use of SECTION_NAMED.
1702         (init_varasm_once): Don't set exception_section and eh_frame_section.
1703         * output.h (default_exception_section): Delete.
1704         (default_eh_frame_section): Delete.
1705
1706 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1707
1708         * config/bfin/bfin.c: Include "cgraph.h".
1709         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1710         Return the reg that holds the pointer to the GOT.
1711         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1712         doing stack checking.
1713
1714 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
1715
1716         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1717         recompute_tree_invarant_for_addr_expr.
1718         Update uses everywhere.
1719
1720 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
1721
1722         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1723         (MULTILIB_DIRNAMES): Define.
1724
1725 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1726
1727         PR target/25311
1728         * config/s390/s390.c (struct s390_address): New field literal_pool.
1729         (s390_decompose_address): Compute literal_pool field.  Do not 
1730         assume register %r13 is always (and solely) used as pool base.
1731         (s390_extra_constraint_str): Use literal_pool field.
1732
1733 2005-12-09  Thiemo Seufer  <ths@networkno.de>
1734
1735         * config/mips/mips.c (override_options): Don't allow too small
1736         integers in FP registers.
1737
1738 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1739
1740         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1741         targetm.binds_local_p to check for local function calls.
1742
1743 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
1744
1745         PR debug/24908
1746         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1747         call_used_regs can't be used to save reg in another reg.
1748
1749 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1750             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
1751
1752         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1753         abort.
1754         * except.c (output_ttype): Likewise.
1755         * tree-object-size.c (collect_object_sizes_for): Likewise.
1756         (check_for_plus_in_loops_1): Likewise.
1757         (check_for_plus_in_loops): Likewise.
1758         (compute_object_sizes): Use gcc_unreachable instead of abort.
1759
1760 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
1761
1762         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1763         (loop_end, loop_init, doloop_end): New insns.
1764         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1765         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1766         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1767         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1768         * config/ms1/ms1.c: #include basic-block.h
1769         (struct machine_function): Add has_loops field.
1770         (ms1_add_loop): New.
1771         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1772         (struct loop_info, struct loop_work): New.
1773         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1774         (ms1_reorg_loops): New loop optimization.
1775         (ms1_machine_reorg): Call it.
1776         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1777
1778 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
1779
1780         PR tree-optimization/25248
1781         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1782         evolution_of_loop from the failed attempt.  Remove handling
1783         of MULT_EXPR.
1784
1785 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1786
1787         * tree.h (DECL_EXTERNAL): Clarify documentation.
1788
1789 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1790             Jakub Jelinek  <jakub@redhat.com>
1791
1792         PR target/25268
1793         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1794         argument.  Don't drop outer ANDs.
1795         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1796         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1797         prototype.
1798         * config/s390/predicates.md (setmem_operand): Remove.
1799         (shift_count_operand): Rename to...
1800         (shift_count_or_setmem_operand): ... this.  Adjust
1801         s390_decompose_shift_count caller.
1802         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1803         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1804         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1805         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1806         rotl<mode>3_and, setmem_long_and): New insns.
1807         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1808         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1809         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1810         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1811         of shift_count_operand.
1812         (setmem_long): Use shift_count_or_setmem_operand instead of
1813         setmem_operand.
1814
1815 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
1816             Andreas Tobler  <a.tobler@schweiz.ch>
1817
1818         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1819         tr expression.
1820
1821 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1822
1823         * expr.c (force_operand): Use convert_to_mode for conversions.
1824
1825 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1826
1827         * reload.h (reg_equiv_invariant): Declare.
1828         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1829         register also when reg_equiv_invariant[R] is set.
1830
1831 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1832             Andreas Tobler  <a.tobler@schweiz.ch>
1833
1834         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1835
1836 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
1837
1838         * tree-ssa-pre.c (bitmap_set_and): New function.
1839         (bitmap_set_and_compl): New function.
1840         (bitmap_set_empty_p): New function.
1841         (insert_extra_phis): New function.
1842         (compute_avail): Use insert_extra_phis.
1843
1844 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1845
1846         * config/s390/s390.c (s390_expand_atomic): New function.
1847         Adjust comment of helper functions.
1848         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1849         * config/s390/s390.md ("ATOMIC"): New code macro.
1850         ("atomic"): Corresponding new code attribute.
1851         ("sync_lock_test_and_set[hq]i", 
1852         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1853
1854 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1855
1856         * config/s390/s390.c (s390_expand_mask_and_shift, 
1857         struct alignment_context, init_alignment_context, 
1858         s390_expand_cs_hqi): New.
1859         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1860         * config/s390/s390.md ("sync_compare_and_swaphi",
1861         "sync_compare_and_swapqi"): New pattern.
1862
1863 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
1864
1865         Fix PR tree-optimization/25291
1866         * tree-ssa-operands.c (add_call_clobber_ops): Remove
1867         redundant and crashing check.
1868
1869 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
1870
1871         PR target/25212
1872         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1873         tests further when !strict && reload_in_progress.
1874         (print_operand): Check that both operands of indexed address are regs.
1875         (print_operand_address): Likewise.
1876         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1877         (INT_REG_OK_FOR_BASE_P): Correct.
1878
1879 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1880
1881         Preparation for PR rtl-optimization/20070 / part1
1882         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1883         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1884         outgoing_edges_match.
1885         (outgoing_edges_match): Use condjump_equiv_p.
1886         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1887         into..
1888         * struct-equiv.c: New file.
1889         (death_notes_match_p) New function, broken out of insns_match_p.
1890         * Makefile.in (OBJS-common): Add struct-equiv.o.
1891         (struct-equiv.o): New target.
1892
1893 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1894
1895         * coretypes.h: Revert previous change.
1896         * config/darwin.h: Revert previous reversion.
1897         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1898
1899 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1900
1901         * coretypes.h (section): Provide dummy definition for target files.
1902         * config/darwin.h: Revert previous change.
1903
1904 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1905
1906         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1907         * configure.ac: Remove all.build and install-normal from target_list
1908         * configure: Regenerate.
1909         * Makefile.in (install): Don't depend on install-normal.
1910
1911 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1912
1913         * Makefile.in: Document the use of stamps.
1914
1915 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1916
1917         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1918         * Makefile.in: Add code to compute some dependencies on s-gtype
1919         automatically.  Remove the declaration of those dependencies.
1920
1921 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1922
1923         * gcc/reload.c (push_secondary_reload): Fix typo:
1924         s/insn_constraint/scratch_constraint/.
1925
1926 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1927
1928         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1929
1930 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1931
1932         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1933         (alpha_elf_select_rtx_section): Return the selected section rather
1934         than emitting assembly code.
1935         (alpha_write_linkage): Emit a ".link" directive directly and then
1936         set in_section to NULL.
1937         (vms_asm_out_constructor): Use switch_to_section.
1938         (vms_asm_out_destructor): Likewise.
1939         (unicosmk_output_common): Set in_section to NULL instead of calling
1940         the dummy common_section function.
1941         (unicosmk_text_section): Delete in favor of...
1942         (unicosmk_output_text_section_asm_op): ...this new function.
1943         (unicosmk_data_section): Delete in favor of...
1944         (unicosmk_output_data_section_asm_op): ...this new function.
1945         (unicosmk_init_sections): New function.
1946         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1947         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1948         the dummy ssib_section function.
1949         (unicosmk_section_buf): Delete.
1950         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1951         (unicosmk_data_section): Delete.
1952         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1953         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1954         (SECTION_FUNCTION_TEMPLATE): Delete.
1955         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1956         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1957         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1958         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1959         (TARGET_ASM_INIT_SECTIONS): Define.
1960         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1961         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1962         (link_section, literals_section): Delete.
1963         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1964         set in_section to NULL.
1965
1966         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1967         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1968         (COMMON_SECTION): Delete.
1969         (TARGET_ASM_INIT_SECTIONS): Define.
1970         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1971         the dummy common_section function.
1972         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1973         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1974         between readonly_data_section and text_section to check whether
1975         read-only data is being put in the text section.
1976         (arm_output_function_epilogue): Use switch_to_section.
1977         (arm_elf_asm_constructor): Likewise.
1978         (thumb_call_via_reg): Replace call to in_text_section with
1979         a comparison between in_section and text_section.
1980         (arm_file_end): Use switch_to_section.
1981         (aof_text_section): Delete in favor of...
1982         (aof_output_text_section_asm_op): ...this new function.
1983         (aof_data_section): Delete in favor of...
1984         (aof_output_data_section_asm_op): ...this new function.
1985         (aof_asm_init_sections): New function.
1986         (zero_init_section): Moved from config/arm/aof.h.
1987         (aof_dump_imports, aof_file_start): Use switch_to_section.
1988         * config/arm/arm.h (thumb_call_via_label): Update comment.
1989         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1990         (common_section): Delete.
1991         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1992         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1993         global switch_to_section function instead of the old port-local one.
1994         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1995         (SWITCH_TO_SECTION_FUNCTION): Delete.
1996         (drectve_section): Redefine as a macro.
1997         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1998         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1999         switch_to_section.
2000
2001         * config/avr/avr.c (progmem_section): New variable.
2002         (avr_output_progmem_section_asm_op): New function.
2003         (avr_asm_init_sections): New function.
2004         (avr_output_addr_vec_elt): Use switch_to_section.
2005         * config/avr/avr.h (progmem_section): Declare.
2006         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2007         (READONLY_DATA_SECTION): Delete.
2008         (TARGET_ASM_INIT_SECTIONS): Define.
2009         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
2010         * config/avr/avr-protos.h (progmem_section): Delete.
2011
2012         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2013
2014         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2015         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
2016
2017         * config/darwin-sections.def: New file.
2018         * config/darwin.c: Define all sections in darwin-sections.def.
2019         (output_objc_section_asm_op, darwin_init_sections): New functions.
2020         (machopic_output_indirection): Use switch_to_section.
2021         (machopic_select_section): Return the selected section rather than
2022         emitting assembly code.  Replace the static function table with
2023         inline conditional expressions.  Update the tests of last_text_section
2024         and move them into the FUNCTION_DECL block.
2025         (machopic_select_rtx_section): Return the selected section rather than
2026         emitting assembly code.
2027         (machopic_asm_out_constructor, machopic_asm_out_destructor)
2028         (darwin_file_end): Use switch_to_section.
2029         * config/darwin.h: Use darwin-sections.def to declare sections.
2030         (INIT_SECTION_ASM_OP): Remove empty definition.
2031         (HAS_INIT_SECTION): Define this instead.
2032         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2033         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
2034         (TARGET_ASM_EH_FRAME_SECTION): Delete.
2035         (TARGET_ASM_INIT_SECTIONS): Define.
2036         * config/darwin-protos.h (darwin_init_sections): Declare.
2037         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
2038         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
2039         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
2040         (constructor_section, destructor_section, mod_init_section): Delete.
2041         (mod_term_section): Delete.
2042         (darwin_exception_section, darwin_eh_frame_section): Delete.
2043         (machopic_select_section): Return a section.
2044         (machopic_select_rtx_section): Likewise.
2045         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
2046         (const_section, const_coal_section, const_data_section): Delete.
2047         (const_data_coal_section, data_coal_section, cstring_section): Delete.
2048         (literal4_section, literal8_section, constructor_section): Delete.
2049         (mod_init_section, mod_term_section, destructor_section): Delete.
2050         (objc_class_section, objc_meta_class_section, objc_category_section)
2051         (objc_class_vars_section, objc_instance_vars_section): Delete.
2052         (objc_cls_meth_section, objc_inst_meth_section): Delete.
2053         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
2054         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
2055         (objc_symbols_section, objc_module_info_section): Delete.
2056         (objc_image_info_section, objc_protocol_section): Delete.
2057         (objc_string_object_section, objc_constant_string_object_section)
2058         (objc_class_names_section, objc_meth_var_names_section): Delete.
2059         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
2060         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
2061         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
2062         (darwin_exception_section, darwin_eh_frame_section): Delete.
2063         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
2064
2065         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
2066         (frv_asm_out_destructor): Likewise.
2067         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2068         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
2069         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
2070         get_named_section.
2071         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
2072         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
2073         (data_section): Delete.
2074
2075         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2076         (DRECTVE_SECTION_FUNCTION): Delete.
2077         (drectve_section): Redefine as a macro that sets in_section after
2078         emitting the directive.
2079         (SWITCH_TO_SECTION_FUNCTION): Delete.
2080         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
2081         in_text_section with comparison between in_section and text_section.
2082         * config/i386/i386.c (x86_64_elf_select_section): Return the section
2083         rather than emitting assembly code.  Use get_named_section.
2084         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
2085         get_named_section.
2086         (machopic_output_stub): Use switch_to_section.
2087         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
2088         (nwld_named_section_asm_out_destructor): Use get_section and
2089         switch_to_section.
2090
2091         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
2092         rather than emitting assembly code.
2093         (ia64_rwreloc_select_section): Likewise.
2094         (ia64_rwreloc_select_rtx_section): Likewise.
2095         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
2096         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
2097         switch_to_section.
2098         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2099         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
2100
2101         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
2102         section rather than emitting assembly code.
2103         (iq2000_select_section): Likewise.
2104         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
2105         (sbss_section): Delete.
2106
2107         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
2108         and get_named_section.
2109         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
2110
2111         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
2112         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
2113         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
2114         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
2115         in_section to NULL.
2116         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2117         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2118         global switch_to_section function instead of the old port-local one.
2119         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2120         (SWITCH_SECTION_FUNCTION): Delete.
2121         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
2122         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
2123         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
2124         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
2125         in_section to NULL.
2126         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2127         global switch_to_section function instead of the old port-local one.
2128         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2129
2130         * config/mips/mips.c (mips_file_start): Update comment.
2131         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
2132         (mips_output_aligned_decl_common): Use switch_to_section.
2133         (mips_select_rtx_section): Return the section rather than emitting
2134         assembly code.  Use get_named_section.
2135         (mips_function_rodata_section: Likewise get_section.
2136         (build_mips16_function_stub): Use switch_to_section.
2137         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
2138         (SDATA_SECTION_ASM_OP): Delete.
2139         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
2140         (EXTRA_SECTION_FUNCTIONS): Delete.
2141
2142         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
2143         (mmix_asm_output_aligned_local): Use switch_to_section.
2144
2145         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
2146         (som_one_only_readonly_data_section): New variables.
2147         (pa_output_function_epilogue): Set in_section to NULL instead of
2148         calling forget_section.
2149         (output_deferred_plabels): Use select_section.
2150         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
2151         of calling forget_section.
2152         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
2153         (pa_asm_output_aligned_local): Use select_section.
2154         (som_text_section_asm_op): Delete in favor of...
2155         (som_output_text_section_asm_op): ...this new function.
2156         (pa_som_asm_init_sections): New function.
2157         (pa_select_section): Return the section rather than emitting
2158         assembly code.
2159         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2160         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
2161         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
2162         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
2163         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
2164         (som_readonly_data_section, som_one_only_readonly_data_section)
2165         (som_one_only_data_section, forget_section): Delete.
2166         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
2167         (TARGET_ASM_INIT_SECTIONS): Define.
2168         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
2169
2170         * config/rs6000/rs6000.c (read_only_data_section): New variable.
2171         (private_data_section, read_only_private_data_section): New variables.
2172         (sdata2_section, toc_section): New variables.
2173         (rs6000_file_start): Use switch_to_section.
2174         (rs6000_assemble_integer): Use comparisons against in_section
2175         instead of calling in_toc_section and in_text_section.  Use
2176         unlikely_text_section_p.
2177         (rs6000_elf_output_toc_section_asm_op): New function, derived
2178         from the old rs6000/sysv4.h toc_section function.
2179         (rs6000_elf_asm_init_sections): New function.
2180         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
2181         the section rather than emitting assembly code.
2182         (machopic_output_stub): Use switch_to_section.
2183         (toc_section): Delete dummy function.
2184         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
2185         switch_to_section and get_section.
2186         (rs6000_xcoff_output_readonly_section_asm_op): New function.
2187         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
2188         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
2189         the old rs6000/xcoff.h toc_section function.
2190         (rs6000_xcoff_asm_init_sections): New function.
2191         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
2192         the section rather than emitting assembly code.
2193         (rs6000_xcoff_file_start): Use switch_to_section.
2194         (rs6000_xcoff_file_end): Likewise.
2195         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
2196         (sdata2_section, sbss_section, private_data_section): Delete.
2197         (read_only_data_section, read_only_private_data_section): Delete.
2198         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2199         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
2200         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
2201         (FINI_SECTION_FUNCTION): Delete.
2202         (TARGET_ASM_INIT_SECTIONS): Define.
2203         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2204         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2205         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
2206         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
2207         (READONLY_DATA_SECTION): Delete.
2208         (TARGET_ASM_INIT_SECTIONS): Define.
2209         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
2210         to NULL rather than no_section.
2211         (TARGET_ASM_EXCEPTION_SECTION): Delete.
2212
2213         * config/sh/sh.c (sh_file_start): Use switch_to_section.
2214
2215         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
2216         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
2217         from call to current_function_section.
2218
2219         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
2220         (bss100_section): New variable.
2221         (xstormy16_asm_output_aligned_common): Use switch_to_section.
2222         (xstormy16_asm_init_sections): New function.
2223         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
2224         switch_to_section and get_section.
2225         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
2226         from calls to current_function_section.
2227         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
2228         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
2229         (TARGET_ASM_INIT_SECTIONS): Define.
2230         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
2231
2232         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2233         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
2234         (FINI_SECTION_FUNCTION): Delete.
2235
2236         * config/v850/v850.c: Include gt-v850.h.
2237         (rosdata_section, rozdata_section, tdata_section, zdata_section)
2238         (zbss_section): New variables.
2239         (v850_output_aligned_bss): Use switch_to_section.
2240         (v850_asm_init_sections): New function.
2241         (v850_select_section): Return the section rather than emitting
2242         assembly code.
2243         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2244         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
2245         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
2246         (TARGET_ASM_INIT_SECTIONS): Define.
2247         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
2248         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
2249         (zbss_section): Delete.
2250
2251         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2252
2253         * config/vx-common.h (vxworks_exception_section): Delete.
2254         (TARGET_ASM_EXCEPTION_SECTION): Delete.
2255
2256         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
2257         section rather than emitting assembly code.
2258         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
2259         switch_to_section.
2260
2261         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
2262         * coretypes.h (section): New union and typedef.
2263         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
2264         from call to current_function_section.
2265         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
2266         (dbxout_symbol_location): Use switch_to_section.
2267         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
2268         most of the code into...
2269         (default_eh_frame_section): ...here.  Return a section.
2270         (collect2_eh_frame_section): Delete, moving most of the code into..
2271         (switch_to_eh_frame_section): ...this new function.
2272         (debug_info_section, debug_abbrev_section, debug_aranges_section)
2273         (debug_macinfo_section, debug_line_section, debug_loc_section)
2274         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
2275         variables.
2276         (output_call_frame_info): Call switch_to_eh_frame_section instead of
2277         eh_frame_section.  Use switch_to_section and get_section.
2278         (dwarf2out_begin_prologue): Use switch_to_section.
2279         (AT_string_form): Check the flags in debug_str_section instead of
2280         DEBUG_STR_SECTION_FLAGS.
2281         (output_comp_unit): Use switch_to_section, get_section, and
2282         debug_info_section.
2283         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
2284         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
2285         from call to current_function_section.
2286         (dwarf2out_var_location): Use unlikely_text_section_p.
2287         (dwarf2out_source_line): Use switch_to_section.  Remove argument
2288         from call to current_function_section.
2289         (dwarf2out_start_source_file, dwarf2out_end_source_file)
2290         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
2291         debug_macinfo_section.
2292         (dwarf2out_init): Initialize the new section variables.  Use them
2293         instead of calls to named_section_flags.  Use switch_to_section.
2294         (output_indirect_string): Use switch_to_section and debug_str_section.
2295         (dwarf2out_finish): Use switch_to_section and the new section
2296         variables.
2297         * except.c (default_exception_section): Return the section instead
2298         of emitting assembly code.
2299         (output_function_exception_table): Use the global exception_section
2300         variable instead of the target hook.  Use switch_to_section.  Remove
2301         argument from call to current_function_section.
2302         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
2303         (shorten_branches): Use pointer comparisons to detect whether the
2304         text section is the same as readonly_data_section.
2305         (profile_function): Use switch_to_section.  Remove argument from
2306         call to current_function_section.
2307         (final_scan_insn): Likewise.  Update use of last_text_section.
2308         * gengtype.c (open_base_files): Add an include of output.h.
2309         * output.h (text_section, data_section, readonly_data_section)
2310         (ctors_section, dtors_section, bss_section, init_section)
2311         (fini_section, sdata_section): Turn into section pointers.
2312         (in_text_section, in_unlikely_text_section, exports_section)
2313         (drectve_section, named_section, mergeable_string_section)
2314         (last_text_section_name): Delete.
2315         (default_exception_section, default_eh_frame_section): Return sections.
2316         (SECTION_DECLARED, SECTION_NAMED): New macros.
2317         (SECTION_MACH_DEP): Bump value.
2318         (section_common, named_section, unnamed_section): New structures.
2319         (unnamed_section_callback): New typedef.
2320         (section): New union.
2321         (sbss_section, exception_section, eh_frame_section): New variables.
2322         (in_section, last_text_section): Turn into section pointers.
2323         (get_unnamed_section, get_section, get_named_section): New functions.
2324         (mergeable_constant_section, function_section): Return a section.
2325         (unlikely_text_section): Likewise.
2326         (current_function_section): Likewise.  Remove the decl argument.
2327         (unlikely_text_section_p, switch_to_section): New functions.
2328         (output_section_asm_op): New function.
2329         (set_named_section_flags, named_section_flags, named_section_real)
2330         (named_section_first_declaration): Delete.
2331         (default_select_section, default_elf_select_section): Return a section.
2332         (default_elf_select_section_1, default_function_rodata_section)
2333         (default_no_function_rodata_section, default_select_rtx_section)
2334         (default_elf_select_rtx_section): Likewise.
2335         * rtl.h (in_data_section): Delete.
2336         * sdbout.c (sdbout_one_type): Use switch_to_section.
2337         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
2338         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
2339         (TARGET_ASM_EH_FRAME_SECTION): Poison.
2340         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
2341         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
2342         (TARGET_ASM_OUT): Update after above changes.
2343         * target.h (init_sections): New hook.
2344         (exception_section, eh_frame_section): Delete.
2345         (select_section, select_rtx_section, function_rodata_section): Return
2346         a section rather than emitting assembly code.
2347         * varasm.c (text_section, data_section, readonly_data_section)
2348         (ctors_section, dtors_section, bss_section, init_section)
2349         (fini_section): Turn into section pointers.
2350         (sdata_section, sbss_section, exception_section): New variables.
2351         (eh_frame_section): New variable.
2352         (in_section): Make global and turn into a section pointer.
2353         (last_text_section): Turn into a section pointer.
2354         (unnamed_sections): New variable.
2355         (in_named_name, last_text_section_name): Delete.
2356         (EXTRA_SECTION_FUNCTIONS): Delete.
2357         (in_named_entry): Delete.
2358         (section_htab): New variable, replacing...
2359         (in_named_htab): ...this deleted variable.
2360         (section_entry_eq, section_entry_hash): New functions, based on...
2361         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2362         (get_unnamed_section, get_section): New functions.
2363         (unlikely_text_section): Return a section instead of emitting
2364         assembly code.
2365         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
2366         (get_named_section_flags, named_section_first_declaration): Delete.
2367         (unlikely_text_section_p): New function.
2368         (named_section_real, named_section): Delete.
2369         (get_named_section): New function.
2370         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2371         (function_section): Return a section rather than emitting
2372         assembly code.
2373         (current_function_section): Likewise.  Remove argument.  Use
2374         last_text_section if nonnull, otherwise use function_section.
2375         (default_function_rodata_section): Return a section rather than
2376         emitting assembly code.  Use get_section.
2377         (default_no_function_rodata_section): Return a section rather than
2378         emitting assembly code.
2379         (variable_section): Use switch_to_section and get_named_section.
2380         (mergeable_string_section): Return a section rather than emitting
2381         assembly code.  Use get_section.  Make static.  Don't take special
2382         countermeasures for empty strings.
2383         (mergeable_constant_section): Return a section rather than emitting
2384         assembly code.  Use get_section.
2385         (default_named_section_asm_out_destructor): Use switch_to_section
2386         and get_section.
2387         (default_dtor_section_asm_out_destructor): Use switch_to_section.
2388         (default_named_section_asm_out_constructor): Use switch_to_section
2389         and get_section.
2390         (default_ctor_section_asm_out_constructor): Use switch_to_section.
2391         (assemble_start_function): Likewise.  Set last_text_section to
2392         NULL rather than no_section.  Change the type of save_section.
2393         (assemble_zeros, assemble_variable): Use the section flags to detect
2394         whether or not a section is text.
2395         (assemble_static_space): Use switch_to_section.
2396         (assemble_trampoline_template): Likewise.
2397         (output_constant_def_contents): Use switch_to_section and
2398         get_named_section.
2399         (output_constant_pool_1): Use switch_to_section.  Use the section
2400         flags to see whether sections contain mergeable data.
2401         (init_varasm_once): Initialize section_htab instead of in_named_htab.
2402         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
2403         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2404         whether a section has already been declared.
2405         (default_select_section, default_elf_select_section): Return a
2406         section rather than emitting assembly code.
2407         (default_elf_select_section_1): Likewise.  Use bss_section for
2408         SECCAT_BSS if nonnull.  Use get_named_section.
2409         (default_select_rtx_section): Return a section rather than
2410         emitting assembly code.
2411         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
2412         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2413         (output_section_asm_op, switch_to_section): New functions.
2414         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2415         get_named_section.
2416
2417         * doc/tm.texi: Expand the introduction to the sections documentation.
2418         (TRAMPOLINE_SECTION): Document new interface.
2419         (SDATA_SECTION_ASM_OP): Document new macro.
2420         (READONLY_DATA_SECTION): Delete.
2421         (SDATA_SECTION_ASM_OP): Document new macro.
2422         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2423         (TARGET_ASM_INIT_SECTIONS): Document new hook.
2424         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2425         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2426         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2427
2428 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
2429
2430         * gcc.c (init_gcc_specs): Match braces inside conditionally
2431         compiled strings.
2432
2433 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
2434
2435         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2436
2437 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
2438
2439         PR C++/24138
2440         * tree.c (integer_all_onesp): Always return true if all bits on.
2441
2442         * testsuite/g++.dg/init/array0.C: New.
2443
2444 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
2445
2446         * doc/md.texi: Adapt to implementation.
2447
2448 2005-12-06  Andreas Schwab  <schwab@suse.de>
2449
2450         * opts.c (decode_options): Fix typo in message.
2451
2452 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
2453
2454         PR other/13873
2455         * longlong.h: Merge PPC tests from upstream.
2456
2457 2005-12-06  Richard Guenther  <rguenther@suse.de>
2458
2459         * fold-const.c (fold_convert): Do not build and fold
2460         CONVERT_EXPR, but always use NOP_EXPR.
2461
2462 2005-12-06  Jan Beulich  <jbeulich@novell.com>
2463
2464         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2465         __builtin_ia32_paddq and __builtin_ia32_psubq.
2466         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2467         __builtin_ia32_pshufw.
2468         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2469
2470 2005-12-05  James E Wilson  <wilson@specifix.com>
2471
2472         PR target/24934
2473         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2474         is set.
2475
2476 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
2477         
2478         * print-tree.c (print_node): Ditto.
2479         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2480         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2481         before accessing DECL_ARTIFICIAL. 
2482         Handle new tag tree codes.
2483         * tree-flow-inline.h (clear_call_clobbered): Update for tag
2484         changes.
2485         (unmodifiable_var_p): Ditto.
2486         * tree-flow.h (mem_tag_kind): Remove.
2487         (struct var_ann_d): Remove mem_tag_kind member.
2488         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2489         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2490         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2491         (group_aliases): Ditto.
2492         (setup_pointers_and_addressables): Ditto.
2493         (is_escape_site): Ditto.                                          
2494         (may_alias_p): Ditto.
2495         (create_tag_raw): New function.
2496         (create_memory_tag): Use it.
2497         (dump_alias_info): Update for tags.
2498         (may_be_aliased): Ditto.
2499         (add_type_alias): Ditto.
2500         (new_type_alias): Ditto.
2501         (create_sft): Ditto.
2502         (create_structure_vars): Ditto.
2503         * tree-ssa-ccp.c (get_default_value): Ditto.
2504         * tree-ssa-operands.c (get_expr_operands): Ditto.
2505         (add_stmt_operand): Ditto.
2506         (add_call_clobber_ops): Remove duplicated condition.
2507         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2508         tags.
2509         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2510         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2511         * tree.c (init_ttree): Update structures for new tree codes.
2512         (tree_code_size): Update sizes for new tree codes.
2513         (make_node_stat): Don't try to set common things on minimal
2514         structures.
2515         (tree_node_structure): Update for tags.
2516         (is_global_var): Ditto.
2517         * tree.def: Add new tree codes.
2518         * tree.h (MTAG_P): New macro.
2519         (TREE_MEMORY_TAG_CHECK): Ditto.
2520         (SSA_VAR_P): Update for tags.
2521         (struct tree_memory_tag): New structure.
2522         (MTAG_GLOBAL): New macro.
2523         (union tree_node): Add memory tag member.
2524         * treestruct.def (TS_MEMORY_TAG): New.
2525         
2526 2005-12-05  Dale Johannesen  <dalej@apple.com>
2527
2528         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
2529         what was approved (PR 24323).
2530
2531 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2532
2533         * doc/c-tree.texi (Function Bodies): Remove description of
2534         RETURN_INIT.
2535
2536 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
2537
2538         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2539         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2540         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2541         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2542         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2543         __divxc3): Document.
2544
2545 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
2546
2547         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2548         previous behaviour.
2549         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2550         hook_bool_void_false.
2551         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2552         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2553
2554         * config/darwin.c (machopic_select_section): It's not defined
2555         as weak if it's only marked as weak_import.
2556         
2557         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2558         Prototype.
2559
2560         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2561         A hidden weak object does bind locally.  Strong linkonce data
2562         counts like any other strong symbol for binding.
2563         (weak_finish_1): Don't specially handle weakrefs, they no longer
2564         arrive here.
2565         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2566         * c-common.c (handle_alias_attribute): Allow static aliases
2567         of variables.
2568         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2569         * gthr-dce.h: Make weakrefs static.
2570         * gthr-tpf.h: Likewise.
2571         * gthr-solaris.h: Likewise.
2572         * gthr-posix.h: Likewise.
2573         * gthr-posix95.h: Likewise.
2574         * config/darwin.c (darwin_encode_section_info): static weakref
2575         variables are not necessarily defined in this translation unit.
2576         * doc/extend.texi (Function Attributes): Mention that an alias
2577         attribute creates a definition for the thing it's attached to.
2578         Change the documentation for weakref to say that the thing
2579         it's attached to must be static.
2580
2581         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2582         we don't go into an infinite loop.
2583
2584 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
2585
2586         * config/rs6000/predicates.md (logical_const_operand): Split
2587         out of logical_operand.
2588         (logical_operand): Use it.
2589         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2590         logical_const_operand.
2591
2592 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2593
2594         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2595         and IX86_BUILTIN_CMPNESS.
2596         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2597         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2598         * config/i386/i386.md (movti_internal): Correct type attribute.
2599         Simplify mode attribute.
2600         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2601         Correct type attribute.
2602         (absxf2): Correct operator.
2603         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2604         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2605         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2606         mode attribute.
2607         (sse2_vmsqrtv2df2): Correct mode attribute.
2608
2609 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2610
2611         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2612         16 bits. Provide insn pattern for this case.
2613
2614 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2615
2616         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2617         result.
2618         (__popcountDI2): Likewise.
2619
2620 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2621
2622         PR target/25166
2623         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2624         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2625         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2626         functions.
2627
2628 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2629
2630         * c-typeck.c (null_pointer_constant_p): New function.
2631         (build_conditional_expr, build_c_cast, convert_for_assignment,
2632         build_binary_op): Use it.
2633
2634 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2635
2636         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2637         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2638         CONVERT_EXPR.
2639         (check_function_arguments_recurse): Allow both NOP_EXPR and
2640         CONVERT_EXPR but check conversions preserve precision.
2641         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2642         but check conversions preserve precision.
2643         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
2644         default case.
2645
2646 2005-12-04  Roger Sayle  <roger@eyesopen.com>
2647
2648         PR c/7776
2649         * common.opt (Wstring-literal-comparison): New command line option.
2650         * c-opts.c (c_common_handle_option): Set it with -Wall.
2651         * c-typeck.c (parser_build_binary_op): Issue warning if either
2652         operand of a comparison operator is a string literal, except for
2653         testing equality or inequality against NULL.
2654
2655         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2656
2657 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2658
2659         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2660         of building a NOP_EXPR.
2661         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
2662         NOP_EXPR.
2663         * c-convert.c (convert): Use fold_convert instead of building
2664         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
2665         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
2666         #if 0 code.
2667         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2668         NOP_EXPR the same as CONVERT_EXPR.
2669         * c-typeck.c (build_function_call): Use fold_convert instead of
2670         building a NOP_EXPR directly.
2671         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2672
2673 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2674
2675         PR rtl-optimization/25197
2676         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2677         have a reg.
2678
2679 2005-12-02  Stuart Hastings  <stuart@apple.com>
2680
2681         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2682         warning.
2683
2684 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2685
2686         * c-typeck.c (default_function_array_conversion,
2687         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2688         (build_conditional_expr): Apply integer_zerop to orig_op1 and
2689         orig_op2.  Don't check them for NOP_EXPR.
2690         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2691         around integer zero.
2692
2693 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2694
2695         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2696         toc_save_offset, toc_size, lr_size.
2697         (rs6000_stack_info): Use memset rather than bss struct copy to init.
2698         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2699         Adjust for removal of unused rs6000_stack_t fields.
2700         (debug_stack_info): Adjust.
2701         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
2702         first, and don't bother checking for set/inc of lr on sibcalls.
2703         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2704
2705 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
2706
2707         PR target/25199
2708         * config/i386/i386.md (movqi_1): Only force imovx for alternative
2709         5 if operand 1 is not aligned.  Undo previous constraint change.
2710         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2711
2712 2005-12-02  Richard Guenther  <rguenther@suse.de>
2713
2714         * tree.h (build): Remove prototype.
2715         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2716         * tree.c (build): Remove.
2717         (build0_stat): Update comment.
2718
2719 2005-12-02  Richard Guenther  <rguenther@suse.de>
2720
2721         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2722         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2723         Likewise.
2724         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2725         maybe_fold_offset_to_component_ref): Likewise.
2726         * tree-ssa-dom.c (thread_across_edge,
2727         simplify_rhs_and_lookup_avail_expr,
2728         find_equivalent_equality_comparison, record_equivalences_from_stmt):
2729         Likewise.
2730         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2731         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2732         lower_try_finally_switch): Likewise.
2733         * tree-if-conv.c (add_to_dst_predicate_list,
2734         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2735         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2736         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2737         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2738         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2739         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2740         gimplify_init_ctor_eval, gimplify_init_constructor,
2741         gimplify_variable_sized_compare, gimplify_boolean_expr,
2742         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2743         gimplify_expr, gimplify_body, gimplify_function_tree,
2744         force_gimple_operand): Likewise.
2745         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2746         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2747         mx_register_decls): Likewise.
2748         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2749         get_frame_field, finalize_nesting_tree_1): Likewise.
2750         * tree-inline.c (setup_one_parameter): Likewise.
2751         * tree-vect-transform.c (vectorizable_condition): Likewise.
2752         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2753         Likewise.
2754         * tree-profile.c (tree_gen_edge_profiler): Likewise.
2755         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2756         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2757         * tree-chrec.h (build_polynomial_chrec): Likewise.
2758
2759 2005-12-02  Richard Guenther  <rguenther@suse.de>
2760
2761         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2762         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2763         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2764         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2765         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2766         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2767         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2768         Likewise.
2769         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2770         sh_adjust_unroll_max): Likewise.
2771         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2772         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2773         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2774         Likewise.
2775         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2776         Likewise.
2777         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2778         Likewise.
2779
2780 2005-12-02  Richard Guenther  <rguenther@suse.de>
2781
2782         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2783         simplify_cond_using_ranges): Use buildN instead of build.
2784         * tree-tailcall.c (adjust_accumulator_values,
2785         adjust_return_value): Likewise.
2786         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2787         generate_element_copy, generate_element_zero,
2788         generate_one_element_init): Likewise.
2789         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2790         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2791         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2792         perfect_nestify): Likewise.
2793
2794 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2795
2796         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2797
2798 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2799
2800         * ggc.h (GGC_RESIZEVEC): New.
2801
2802 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2803
2804         * gcc.c (execute): Improve readability.
2805
2806 2005-12-02  Richard Guenther  <rguenther@suse.de>
2807
2808         * tree-cfg.c (mark_used_vars): New function.
2809         (dump_function_to_file): Dump only used VAR_DECLs.
2810
2811 2005-12-02  Richard Guenther  <rguenther@suse.de>
2812
2813         * convert.c (convert_to_integer): Fix compare for nonpositive
2814         constant to use tree_int_cst_sgn <= 0.
2815
2816 2005-12-02  Richard Guenther  <rguenther@suse.de>
2817
2818         * convert.c (convert_to_integer): Use fold_convert instead
2819         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
2820         instead of comparing against 0.  Use build_int_cst instead
2821         of converting integer_zero_node.
2822
2823 2005-12-02  Richard Guenther  <rguenther@suse.de>
2824
2825         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2826         and RROTATE_EXPR.
2827  
2828 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2829
2830         PR target/21017
2831         * combine.c (simplify_logical <IOR>): Simplify more patterns to
2832         rotates.
2833
2834 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2835
2836         PR middle-end/25176
2837         * function.c (expand_function_end): Emit blockage for unwinder
2838         after return label.
2839
2840 2005-12-01  Roger Sayle  <roger@eyesopen.com>
2841
2842         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2843         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2844         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2845         integer constant comparisons.
2846
2847 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
2848             Janis Johnson  <janis187@us.ibm.com>
2849             David Edelsohn  <dje@watson.ibm.com>
2850             Ben Elliston  <bje@au.ibm.com>
2851
2852         * dfp.h, dfp.c: New files.
2853         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2854         (DECNUM_H): Likewise.
2855         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2856         (INCLUDES): Append $(DECNUMINC).
2857         (OBJS-common): Add dfp.o.
2858         (dfp.o): New rule.
2859         * real.h (EXP_BITS): Pinch one bit to ..
2860         (struct real_value): Add decimal field.
2861         (real_format): Change table size, update documentation.
2862         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2863         (real_from_string3): Declare.
2864         (decimal_single_format): Declare.
2865         (decimal_double_format): Declare.
2866         (decimal_quad_format): Declare.
2867         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2868         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2869         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2870         * real.c: Include dfp.h.
2871         (normalize): Early return for decimal floats.
2872         (do_add): Zero decimal field.
2873         (do_compare): Call do_decimal_compare for decimal floats.
2874         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2875         (real_arithmetic): Call decimal_real_arithmetic for decimal
2876         floating point operands.
2877         (real_identical): If a and b are of differing radix, return false.
2878         (real_to_integer): Call decimal_real_to_integer if the value is a
2879         decimal float.
2880         (real_to_integer2): Likewise, call decimal_real_to_integer2.
2881         (real_to_decimal): Likewise, call decimal_real_to_decimal.
2882         (real_to_hexadecimal): Place "N/A" in the return string for
2883         decimal float.
2884         (real_from_string3): New variant, given a mode.
2885         (real_maxval): Use decimal_real_maxval for decimal floats.
2886         (round_for_format): Use decimal_round_for_format for decimals.
2887         (real_convert): Use decimal_real_convert where appropriate.
2888         (significand_size): Handle base 10.
2889         (encode_decimal_single, decode_decimal_single,
2890         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2891         decode_decimal_quad): New functions.
2892         (decimal_single_format): New.
2893         (decimal_double_format): New.
2894         (decimal_quad_format): New.
2895         * machmode.def: Add SD, DD and TD decimal floating point modes.
2896         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2897         Include MODE_DECIMAL_FLOAT.
2898         (DECIMAL_FLOAT_MODE_P): New.
2899         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2900         * genmodes.c (struct mode_data): Add counter field.
2901         (struct mode_data): Update comment for format.
2902         (blank_mode): Initialise counter field.
2903         (new_mode): Increment counter field for each mode defined.
2904         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2905         using a format.
2906         (make_complex_modes): Handle modes containing `D'.
2907         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2908         (make_decimal_float_mode): New.
2909         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2910         (cmp_modes): Compare counter field if other characteristics
2911         similar.
2912         (emit_real_format_for_mode): Support formats for decimal floats.
2913         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2914         Document MODE_DECIMAL_FLOAT.
2915
2916 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2917
2918         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2919         Delete dead code.
2920
2921 2005-12-01  Richard Henderson  <rth@redhat.com>
2922
2923         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2924
2925 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2926
2927         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2928
2929         * config/pa/pa.c (pa_init_builtins): If we detect
2930         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2931         putc_unlocked.
2932
2933 2005-12-01  Richard Guenther  <rguenther@suse.de>
2934
2935         * fold-const.c (fold_binary): Use fold_build2, not
2936         fold (build (...)).
2937
2938 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2939
2940         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2941
2942         * vec.h (VEC_block_remove): New.
2943
2944 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2945
2946         PR c/13384
2947         * c-common.c (lvalue_error): Fix wording.
2948
2949 2005-12-01  Richard Guenther  <rguenther@suse.de>
2950
2951         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2952         thinko in last patch.
2953
2954 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2955
2956         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2957         than -flat_namespace.
2958
2959 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2960
2961         * mklibgcc.in: Parameterise the script to build soft float
2962         functions by iterating over each type, rather than cloning the
2963         code for each type.
2964
2965 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2966
2967         PR middle-end/25158
2968         * builtins.c (fold_builtin_fputs): Defer check for missing
2969         replacement functions.
2970
2971 2005-11-30  Kean Johnston  <jkj@sco.com>
2972
2973         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2974         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2975
2976 2005-11-30  Richard Guenther  <rguenther@suse.de>
2977
2978         PR tree-optimization/22501
2979         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2980         function split out from ...
2981         (forward_propagate_addr_expr): ... here.  Use it to propagate
2982         ADDR_EXPRs to all uses.
2983
2984 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2985
2986         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2987         * builtins.c (expand_builtin_mathfn): Use them.
2988         (expand_builtin_mathfn_2): Likewise.
2989         (expand_builtin_mathfn_3): Likewise.
2990         (expand_builtin_int_roundingfn): Likewise.
2991         (expand_builtin): Likewise.
2992         (integer_valued_real_p): Likewise.
2993         (fold_builtin_int_roundingfn): Likewise.
2994         (fold_builtin_bitop): Likewise.
2995         (fold_builtin_logarithm): Likewise.
2996         (fold_builtin_1): Likewise.
2997         * convert.c (convert_to_integer): Likewise.
2998         * fold-const.c (negate_mathfn_p): Likewise.
2999         (tree_expr_nonnegative_p): Likewise.
3000
3001 2005-11-30  Dale Johannesen  <dalej@apple.com>
3002             Andrew Pinski  <pinskia@physics.uc.edu>
3003
3004         * combine.c (find_split_point):  Sign extend bitmask
3005         when changing bitfield assignment to IOR of AND.
3006
3007 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
3008
3009         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
3010         clobber to scratch reg.
3011         (*decrement_and_branch_until_zero_no_clobber): Remove.
3012         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
3013         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
3014         * config/ms1/ms1.opt (mmul): Remove.
3015         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
3016         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
3017
3018 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3019             Bernd Schmidt  <bernd.schmidt@analog.com>
3020
3021         * pa/predicates.md (symbolic_operand): Add comment.
3022         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
3023         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
3024         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
3025         (pa_secondary_reload_class): Delete.
3026         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
3027         and pa_secondary_reload_class.  Reorder some checks.  Update inline
3028         copy of symbolic operand.
3029         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
3030
3031 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
3032
3033         * loop-doloop.c (add_test): Only add jump notes if we did emit a
3034         jump.
3035
3036 2005-11-30  Jeff Law  <law@redhat.com>
3037
3038         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
3039         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
3040
3041 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
3042
3043         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
3044         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
3045         (ia64_expand_move): Adjust caller.
3046
3047         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
3048         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
3049         negate VAL.
3050
3051 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
3052
3053         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
3054         Always produce an output if we can remove NEGs or canonicalize
3055         (minus (minus ...)) expressions.  Provide a fast path for the
3056         two-operand case.
3057         (simplify_gen_binary): Do not call simplify_plus_minus.
3058         (simplify_binary_operation_1): Reassociate at the end of the
3059         function.
3060
3061 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
3062
3063         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
3064         moves and unpack to speed up.
3065
3066 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
3067
3068         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
3069         argument, they are always sparc_compare_op0 and sparc_compare_op1.
3070         (gen_v9_scc): Update callers.
3071         * config/sparc/sparc.md: Likewise.
3072         * config/sparc/sparc-protos.h: Update extern declaration.
3073
3074         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
3075
3076 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
3077
3078         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
3079         the if.
3080
3081 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
3082
3083         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
3084         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
3085         (negate_expr): Here.
3086
3087 2005-11-29  Ben Elliston  <bje@au.ibm.com>
3088
3089         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
3090         Fix typo in comment.
3091
3092 2005-11-29  Ben Elliston  <bje@au.ibm.com>
3093
3094         * Makefile.in (clean-target): Depend on clean-target-libgcc.
3095         (clean-target-libgcc): Import rule from the top-level Makefile.in.
3096
3097 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3098
3099         PR middle-end/20109
3100         PR middle-end/25120
3101         * builtins.c (init_target_chars): New.
3102         (expand_builtin_printf, expand_builtin_fprintf,
3103         expand_builtin_sprintf, fold_builtin_sprintf,
3104         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3105         fold_builtin_snprintf_chk, fold_builtin_printf,
3106         fold_builtin_fprintf): Check for matching format strings using
3107         the target charset.
3108
3109 2005-11-29  Paul Brook  <paul@codesourcery.com>
3110
3111         * config.gcc: Do not use fixproto on m68k-elf.
3112
3113 2005-11-28  Roger Sayle  <roger@eyesopen.com>
3114
3115         * expmed.c (div_cost): Replace with...
3116         (sdiv_cost, udiv_cost): New.
3117         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
3118         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
3119         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
3120         (expand_divmod): Replace use of div_cost with either sdiv_cost
3121         or udiv_cost depending upon the signedness of the operation.
3122
3123 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
3124
3125         PR libfortran/24991
3126         * config/darwin.c (machopic_indirection_name,
3127         machopic_output_indirection): Follow transparent alias chain.
3128
3129 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
3130
3131         * varasm.c (ultimate_transparent_alias_target): Add comment.
3132
3133 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
3134
3135         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
3136         SET_SRC instead of XEXP where appropriate.
3137
3138 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
3139
3140         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
3141         __builtin_expect.
3142
3143 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
3144
3145         * config/fp-bit.h (LSHIFT): Take shift count parameter.
3146         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
3147         bit at a time.
3148
3149 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3150
3151         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
3152         secondary_input_reload_class, made static.  Adapt to new
3153         infrastructure.
3154         (secondary_output_reload_class): Delete.
3155         (TARGET_SECONDARY_RELOAD): New macro.
3156         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
3157         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
3158
3159 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
3160
3161         PR c++/21166
3162         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
3163         when its natural alignment is > BITS_PER_UNIT.
3164         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
3165         * c-common.c (handle_packed_attribute): Ignore packing on a field
3166         whose type is naturally char aligned.
3167
3168 2005-11-28  Richard Guenther  <rguenther@suse.de>
3169
3170         * c-common.c (strict_aliasing_warning): Handle all
3171         component-ref like accesses.
3172
3173 2005-11-28  Roger Sayle  <roger@eyesopen.com>
3174             Uros Bizjak  <uros@kss-loka.si>
3175
3176         PR middle-end/20219
3177         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
3178         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
3179         when flag_unsafe_math_optimizations is set and
3180         we don't care about NaNs or Infinities.
3181
3182         Move x/expN(y) and x/pow(y,z) transformation into common
3183         flag_unsafe_math_optimizations section.
3184
3185 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
3186
3187         * gcc.c (main): Change type of argv to "char **".
3188
3189 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
3190
3191         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
3192         small data sections.
3193         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
3194         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
3195         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
3196         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
3197         output locals to sbss if !rs6000_elf_in_small_data_p.
3198         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
3199
3200 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
3201
3202         PR target/24997
3203         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
3204         generated by reload.
3205         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
3206         indexed_or_indirect_address.
3207         (indexed_or_indirect_address): Don't test for base reg.  Call
3208         address_operand last.  Make it a special predicate.
3209
3210 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
3211
3212         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
3213
3214 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
3215
3216         PR middle-end/24575
3217         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
3218         is undefined.
3219         (negate_expr): Likewise.
3220
3221 2005-11-27  Andreas Schwab  <schwab@suse.de>
3222
3223         * config/m68k/m68k.c: Reindent and fix whitespace, remove
3224         redundant parens.
3225
3226 2005-11-27  Steven Bosscher  <stevenb@suse.de>
3227
3228         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
3229         has EH predecessor edges.
3230
3231 2005-11-26  Eric Christopher  <echristo@apple.com>
3232
3233         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
3234         register stalls by zero extending to the full register.
3235
3236 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
3237
3238         * config/floatunsisf.c, config/floatunsidf.c,
3239         config/floatunsixf.c, config/floatunsitf.c: New files.
3240         * config/ia64/t-hpux: Add floatunsitf.c.
3241         * config/ia64/ia64.c (ia64_init_libfuncs): Use
3242         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
3243
3244 2005-11-26  Richard Henderson  <rth@redhat.com>
3245
3246         * c-lex.c (pragma_lex): Rename from c_lex.
3247         * c-pch.c: Update for pragma_lex rename.
3248         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
3249         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
3250         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
3251         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
3252         * doc/tm.texi: Likewise.
3253
3254 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
3255
3256         PR middle-end/23669
3257         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
3258         when overflow is undefined.
3259
3260 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
3261
3262         * doc/md.texi (Insn Canonicalizations): Refer to the
3263         function commutative_operand_precedence for further rules.
3264
3265 2005-11-25  Roger Sayle  <roger@eyesopen.com>
3266
3267         PR middle-end/21309
3268         * expmed.c (choose_mult_variant): Return immediately when mult_cost
3269         is less than zero.  Limit mult_cost to a reasonable upper bound for
3270         the synthetic multiplication sequence.
3271
3272 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3273
3274         PR middle-end/25022
3275         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3276         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
3277         Lookup the explicit replacement functions for any unlocked
3278         stdio builtin transformations.
3279
3280 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
3281
3282         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
3283         earlyclobber.
3284         * targhooks.c (default_secondary_reload): Don't require operand 2
3285         for an input reload to be earlyclobber.
3286
3287 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3288
3289         * fold-const.c (negate_mathfn_p): Fix comment and add support
3290         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
3291         BUILT_IN_ATANH.
3292
3293 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
3294
3295         PR middle-end/24998
3296         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
3297         _Q_ulltoq for unsigned conversions from SImode and DImode to
3298         TFmode.
3299
3300 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
3301
3302         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
3303         (__floatundidf, __floatundisf): Likewise.
3304
3305 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
3306
3307         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
3308         (rs6000_override_options): Remove initialization of
3309         rs6000_sr_alias_set.
3310         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
3311         (rs6000_emit_stack_tie): Same.
3312         (emit_frame_save): Same.
3313         (gen_frame_mem_offset): Same.
3314         (rs6000_emit_prologue): Same.
3315         (rs6000_emit_epilogue): Same.
3316
3317 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
3318
3319         PR middle-end/24989
3320         * fold-const.c (fold_build): Convert bool_var != 1 and
3321         bool_var == 0 to !bool_var.
3322
3323 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
3324
3325         PR middle-end/24990
3326         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
3327         for C being INTEGER_CST.  Likewise for !=.
3328
3329 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
3330
3331         PR middle-end/24998
3332         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
3333         unsigned conversions from SImode to TFmode.
3334
3335 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3336
3337         * expr.c (expand_expr_real_1): Fix error in last change.
3338
3339 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3340
3341         * caller-save.c: (this_insn_sets): Move into:
3342         (save_call_clobbered_regs).
3343         (mark_set_regs): Get this_insn_sets from data.
3344
3345         (save_call_clobbered_regs): Take sets of the return value by
3346         sibcalls into account.
3347
3348 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3349         PR target/21623:
3350
3351         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3352         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3353         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3354         (memory_move_secondary_cost, init_reg_autoinc): Remove
3355         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3356         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3357         secondary_reload_class call.
3358         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
3359         callers.
3360         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3361         (push_secondary_reload): Use secondary_reload target hook.
3362         (secondary_reload_class, scratch_reload_class): New functions.
3363         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3364         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
3365         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3366         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3367         (secondary_reload_class, scratch_reload_class): Declare.
3368         * reload1.c: Include target.h.
3369         (reload_adjust_reg_for_temp): New function.
3370         (reload_adjust_reg_for_icode): Likewise.
3371         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3372         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3373         call.
3374         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
3375         for inheritance.  Support case when both secondary & tertiary reloads
3376         are for intermediate registers.
3377         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3378         with secondary_reload_class call.  Support case when both secondary
3379         & tertiary reloads are for intermediate registers.
3380         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3381         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3382         * target.h (secondary_reload_info): New struct / typedef.
3383         (struct gcc_target): New member secondary_reload.
3384         * targhooks.c Include reload.h, optabs.h and recog.h.
3385         (default_secondary_reload): New function.
3386         * targhooks.h (default_secondary_reload): Declare.
3387         * doc/tm.texi: Document secondary_reload target hook.  Update
3388         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3389         * doc/md.texi: Likewise.
3390
3391         * sh-protos.h (sh_secondary_reload): Declare.
3392         * sh.c (TARGET_SECONDARY_RELOAD): Override.
3393         (sh_secondary_reload): New function.
3394         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3395         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3396         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3397         (HAVE_SECONDARY_RELOADS): Define.
3398         * sh.md (reload_indf): Rename to:
3399         (reload_indf__frn).
3400         (reload_outdf): Rename to:
3401         (reload_outdf__RnFRm).
3402         (reload_insf): Rename to:
3403         (reload_insf__frn).
3404         (reload_insi): Rename to:
3405         (reload_insi__i_fpul).
3406
3407 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
3408
3409         * configure.ac: Require at least texinfo 4.4.
3410         * configure: Regenerate.
3411
3412         * doc/install.texi (Tools/packages necessary for building GCC):
3413         Update required version of texinfo to at least 4.4.
3414         (Installing GCC: Building): Update required version of texinfo
3415         to at least 4.4.
3416         (Installing GCC: Final installation): Update required version
3417         of texi2dvi to at least 4.4.
3418         (Host/target specific installation notes for GCC): Update required
3419         version of texinfo to at least 4.4.
3420
3421 2005-11-24  Richard Guenther  <rguenther@suse.de>
3422         Dirk Mueller <dmueller@suse.de>
3423
3424         PR c++/14024
3425         * c-common.h (strict_aliasing_warning): Declare.
3426         * c-common.c (strict_aliasing_warning): New function,
3427         split out from ...
3428         * c-typeck.c (build_c_cast): ... here.
3429
3430 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3431
3432         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3433         to order operands.
3434         (swap_commutative_operands_with_target): New.
3435
3436 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3437
3438         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3439         also when doing PRE, rather than only for global CPROP.
3440
3441 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3442
3443         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3444         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3445         formatting.
3446         (expand_twoval_unop): Likewise.
3447         (widen_clz): Likewise.
3448         (expand_parity): Likewise.
3449         (expand_unop): Likewise.
3450         (emit_cmp_and_jmp_insn_1): Likewise.
3451         (prepare_float_lib_cmp): Likewise.
3452
3453 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3454
3455         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3456         Remove unused `class' variable.
3457
3458 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3459
3460         PR c++/21667
3461         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
3462         C/C++ diagnostic function warn_array_subscript_with_type_char.
3463         * c-common.h (warn_array_subscript_with_type_char): Declare.
3464         * c-common.c (warn_array_subscript_with_type_char): Define.
3465
3466 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3467
3468         PR c/21668
3469         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3470         compiling at the intersection of C and C++.
3471
3472 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
3473
3474         * doc/invoke.texi: For man pages, include gcc-vers.texi.
3475         List @file in the option summary.  Include the libiberty
3476         documentation for @file.
3477         * gcc.c (main): Call expandargv.
3478         * Makefile.in (gcc-vers.texi): Define srcdir.
3479
3480 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
3481
3482         * passes.c (init_optimization_passes): Document
3483         sequencing of passes.
3484
3485 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
3486
3487         * config/m68k/predicates.md (pcrel_address, extend_operator,
3488         post_inc_operand, pre_dec_operand): Remove redundant
3489         conditionals.
3490         (const_uint32_operand, const_sint32_operand): Use gcc_assert
3491         instead of abort.
3492         (valid_dbcc_comparison_p): Rewrite in the lisp style.
3493
3494 2005-11-23  Ben Elliston  <bje@au.ibm.com>
3495
3496         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3497
3498 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
3499
3500         Preparatory work for PR target/21623:
3501         * alpha.c (secondary_reload_class): Rename to:
3502         (alpha_secondary_reload_class).
3503         * alpha.h, alpha-protos.h: Likewise.
3504         * mn10300.c (secondary_reload_class): Rename to:
3505         (mn10300_secondary_reload_class).
3506         * mn10300.h, mn10300-protos.h: Likewise.
3507         * pa.c (secondary_reload_class): Rename to:
3508         (pa_secondary_reload_class).
3509         * pa.h, pa-protos.h: Likewise.
3510         * rs6000.c (secondary_reload_class): Rename to:
3511         rs6000_secondary_reload_class.
3512         * rs6000.h, rs6000-protos.h: Likewise.
3513
3514 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
3515
3516         PR middle-end/22561
3517         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3518
3519 2005-11-22  Ian Lance Taylor  <ian@airs.com>
3520
3521         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3522         a mode_class.
3523         (prepare_cmp_insn): Likewise.
3524
3525 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
3526
3527         PR target/23435
3528         * m68k.md (zero_extendsidi2): Force operands[1] to a register
3529         if both operands[0] and operands[1] are memory.
3530
3531 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3532
3533         PR middle-end/23606
3534         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3535         COMPARISON_CLASS_P and an integral types create create a new
3536         expression with the new type and fold that.
3537
3538 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3539
3540         PR target/24988
3541         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3542         to SUBTARGET_OS_CPP_BUILTINS.
3543
3544 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
3545
3546         * arm.c (emit_set_insn): New function.
3547         (arm_split_constant): Call it.
3548         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3549         (arm_legitimize_address): Likewise.  Use plus_constant.
3550         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
3551         (thumb_expand_prologue): Likewise.
3552         (arm_gen_load_multiple): Use VOIDmode in SET.
3553         (arm_gen_store_multiple): Likewise.
3554         (vfp_emit_fstmx): Likewise.  Use plus_constant.
3555         (emit_multi_reg_push): Likewise.
3556         (emit_sfm): Use plus_constant.
3557
3558 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
3559
3560         PR target/24954
3561         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3562         typo last change.
3563
3564 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3565
3566         PR middle-end/24950
3567         * expmed.c (store_bit_field): Don't attempt to insv a field
3568         larger than the reg.
3569
3570 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3571
3572         PR target/24954
3573         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3574         explicit sign extension, not a (char) cast.
3575
3576 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3577
3578         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3579         GET_MODE_CLASS (x) == MODE_FLOAT.
3580         * config/i386/i386.c: Likewise.
3581         * config/rs6000/xcoff.h: Likewise.
3582         * config/rs6000/linux64.h: Likewise.
3583         * config/rs6000/rs6000.c: Likewise.
3584         * config/rs6000/rs6000.h: Likewise.
3585         * config/rs6000/predicates.md: Likewise.
3586         * config/rs6000/sysv4.h: Likewise.
3587
3588 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3589
3590         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3591         flag_pic is set.
3592
3593         * config/alpha/freebsd.h, config/alpha/linux.h,
3594         config/arm/linux-elf.h, config/bfin/bfin.h,
3595         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3596         config/i386/beos-elf.h, config/i386/gnu.h,
3597         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3598         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3599         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3600         config/rs6000/linux64.h, config/rs6000/sysv4.h,
3601         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3602         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3603         config/sparc/linux.h, config/sparc/linux64.h,
3604         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3605
3606         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3607         are both defined when either flag -fpic or -fPIC are used.
3608
3609 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3610
3611         * config/fp-bit.c (clzusi): New function.
3612         (si_to_float, usi_to_float): Use it to compute proper shift.
3613         (usi_to_float): Preserve guard bits when shifting right.
3614         * libgcc-std.ver (GCC_4.2.0): New version.
3615         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3616         __floatundisf): New functions.
3617         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3618         __floatundisf): Declare.
3619         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3620         _floatundixf, and _floatunditf.
3621         * optabs.c (expand_float): If target does not define a pattern for
3622         signed or unsigned conversion, use an unsigned libcall instead of
3623         a signed one.
3624         (init_optabs): Initialize ufloat_optab.
3625
3626 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3627
3628         * config/rs6000/rs6000.opt (mmulhw): New option.
3629         * doc/invoke.texi (-mmulhw): Document.
3630         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3631         for 405 and 440.
3632         * config/rs6000/rs6000.md: Add half-word multiply and
3633         multiply-accumulate instructions for 405 and 440.
3634
3635 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
3636
3637         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3638         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
3639         default now includes a linker group which makes the RTEMS one nest.
3640
3641 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3642
3643         * cse.c (fold_rtx): Typo fix.
3644         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3645
3646 2005-11-21  Richard Henderson  <rth@redhat.com>
3647
3648         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3649         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3650
3651         * c-tree.h (lookup_name): Move declaration ...
3652         * c-common.h (lookup_name): ... here.
3653         * config/darwin-c.c: Include c-common.h.
3654         * config/t-darwin: Update dependencies.
3655
3656 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3657
3658         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3659         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3660         * genopinit.c (gen_insn): Likewise.
3661         * reload.c (find_equiv_reg): Likewise.
3662         * loop.c (load_mems): Likewise.
3663         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3664         * cse.c (find_comparison_args, fold_rtx): Likewise.
3665         * dwarf2out.c (add_const_value_attribute): Likewise.
3666         * expr.c (convert_move): Likewise.
3667         * recog.c (general_operand, register_operand): Likewise.
3668         * reg-stack.c (replace_reg): Likewise.
3669         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3670         * c-common.c (handle_vector_size_attribute): Likewise.
3671         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3672         (simplify_binary_operation_1): Likewise.
3673         (simplify_const_binary_operation): Likewise.
3674         (simplify_relational_operation): Likewise.
3675         (simplify_const_relational_operation): Likewise.
3676         (simplify_immed_subreg): Likewise.
3677         * emit-rtl.c (gen_lowpart_common): Likewise.
3678         * expmed.c (expand_mult): Likewise.
3679         * stor-layout.c (layout_type): Likewise.
3680
3681 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
3682
3683         PR target/24951
3684         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3685         cst2 only for SPE vectors.
3686
3687 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
3688
3689         PR target/24953
3690         * config/rs6000/predicates.md (vrsave_operation): Check
3691         UNSPEC_VOLATILE value.
3692
3693 2005-11-21  Jan Hubicka  <jh@suse.cz>
3694
3695         PR tree-optimization/24653
3696         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3697
3698 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3699
3700         * config/i386/predicates.md (ax_reg_operand): New predicate.
3701         (memory_displacement_only_operand): New predicate.
3702         * config/i386/i386.md ("modrm" attribute): Return 0 if one
3703         operand is AX register and the other operand is memory operand
3704         with displacement only.
3705
3706 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3707
3708         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3709         if we don't care about NaNs or Infinities.
3710
3711 2005-11-20  Ian Lance Taylor  <ian@airs.com>
3712
3713         PR rtl-optimization/24883
3714         * combine.c (combinable_i3pat): When checking whether the
3715         destination of i3 is used in i3, consider paradoxical subregs.
3716
3717 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
3718
3719         PR middle-end/20583
3720         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3721
3722 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
3723
3724         * combine.c (try_combine): Do not run subst on i1src and i2src in
3725         the case of generating a PARALLEL for a comparison.
3726
3727 2005-11-20  Richard Henderson  <rth@redhat.com>
3728
3729         PR 24931
3730         * tree-sra.c (struct sra_elt): Add all_no_warning.
3731         (struct sra_walk_fns) <use>: Add use_all argument.
3732         (sra_walk_expr): Pass it.
3733         (sra_walk_modify_expr): Likewise.
3734         (scalarize_ldst): Likewise.
3735         (scan_use): Update for new argument.
3736         (mark_no_warning): New.
3737         (scalarize_use): Use it.
3738
3739 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3740
3741         * expr.c (expand_expr_real): Use usmul_optab for widening
3742         signed * unsigned multiplies.
3743         * genopinit.c (optabs): Add usmul_widen_optab.
3744         * optabs.c (init_optabs): Likewise.
3745         * optabs.h (enum optab_index): Add OTI_usmul_widen.
3746         (usmul_widen_optab): Define.
3747         * config/bfin/bfin.md (usmulhisi3): New pattern.
3748
3749         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3750
3751 2005-11-20  Graham Stott <btinternet.com>
3752
3753         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3754
3755 2005-11-20  Andreas Schwab  <schwab@suse.de>
3756
3757         PR target/24757
3758         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3759         insn.
3760
3761 2005-11-19  Richard Henderson  <rth@redhat.com>
3762
3763         PR tree-opt/24665
3764         * tree-gimple.c (is_gimple_id): Export.
3765         * tree-gimple.h (is_gimple_id): Declare.
3766         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3767         (get_default_value): Use it.
3768         (maybe_fold_stmt_indirect): Likewise.
3769
3770 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
3771
3772         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3773         than VR1 or vice-versa.
3774
3775 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
3776
3777         PR middle-end/24912
3778         PR middle-end/24750
3779         * reload.c (find_reloads_address_1): Mention dependency on
3780         gen_reload.
3781         * reload1.c (gen_reload): For IN with an unary operation, try
3782         moving inner expression to OUT if trivial SET is not valid.
3783         Confirm that the result is valid.  Move common code block into...
3784         (emit_insn_if_valid_for_reload): New function.
3785
3786 2005-11-19  Richard Guenther  <rguenther@suse.de>
3787
3788         * fold-const.c (fold_indirect_ref_1): Make sure we fold
3789         ARRAY_REFs of constant strings.
3790
3791 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
3792
3793         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3794         fatal format string.
3795
3796 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
3797
3798         * combine.c (make_compound_operation): Swap operands of
3799         commutative operation if necessary before returning.
3800
3801 2005-11-19  Richard Guenther  <rguenther@suse.de>
3802
3803         PR middle-end/23294
3804         * fold-const.c (fold_plusminus_mult_expr): New function.
3805         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3806         cases, remove now unnecessary code.
3807
3808 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
3809
3810         * gensupport.c (old_preds): Rename to std_preds, add special field.
3811         (struct old_pred_table): Rename to struct std_pred_table, add special
3812         field.
3813         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3814         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3815         (init_predicate_table): Adjust, and set along the way whether a
3816         predicate is special.
3817
3818 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
3819
3820         * BASE-VER: Change to 4.2.0.
3821
3822 2005-11-18  James E Wilson  <wilson@specifix.com>
3823
3824         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3825         returning it.
3826
3827 2005-11-18  Mike Stump  <mrs@apple.com>
3828
3829         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3830         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3831         * c-decl.c (lookup_name_two) Remove.
3832         * c-tree.h (lookup_name_two): Remove.
3833         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3834         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3835         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3836         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3837
3838 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
3839
3840         PR target/24914
3841         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3842         when not generating code to use that co-processor.
3843
3844 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
3845
3846         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3847         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3848         these functions are now in tree-phinodes.c.
3849
3850 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
3851
3852         * config/bfin/bfin.md (trap): New pattern.
3853
3854 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3855
3856         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3857         on types.
3858
3859         * expr.c (expand_expr_real): Don't call record_block_change unless
3860         ib_boundaries_block is non-null
3861
3862         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3863
3864         * fold-const.c (build_range_check): Use proper type for subtraction
3865         when merging lower bound.
3866
3867 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3868
3869         PR rtl-optimization/24497
3870         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3871         the copied insn.
3872
3873 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3874
3875         * tree-scalar-evolution.c (expression_expensive_p): New function.
3876         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3877
3878 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3879
3880         * config/bfin/crtlibid.s: New file.
3881
3882 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3883
3884         PR target/24348
3885         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3886         when not using sjlj exceptions.
3887         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3888         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3889         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3890         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3891         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3892         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3893         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3894         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3895         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3896         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3897         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3898         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3899         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3900         defines.
3901         * config/pa/hpux-unwind.h: New file.
3902
3903 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3904
3905         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3906         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3907         * varasm.c (do_assemble_alias): Adjust call.
3908         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3909         is defined.
3910         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3911
3912 2005-11-17  James E Wilson  <wilson@specifix.com>
3913
3914         * tree.def (FUNCTION_DECL): Correct typo in comment.
3915
3916 2005-11-17  Richard Henderson  <rth@redhat.com>
3917
3918         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3919         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3920         and DW_CFA_def_cfa_sf.
3921         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3922         (dbx_reg_number): Don't assert particular registers here.
3923         (based_loc_descr): ... do it here instead.  Fold in ...
3924         (eliminate_reg_to_offset): ... this function.
3925         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3926         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3927         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3928         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3929         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3930         (instantiate_virtual_regs): Likewise.
3931         * var-tracking.c (adjust_stack_reference): Likewise.
3932         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3933
3934 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3935
3936         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3937         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3938         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3939         crtlibid.o.
3940         ($(T)crtlibid.o): New rule.
3941
3942 2005-11-16  Richard Guenther  <rguenther@suse.de>
3943
3944         PR middle-end/24851
3945         * fold-const.c (extract_array_ref): Return byte offset
3946         in all cases.
3947         (fold_binary): Fold &x[a] CMP &x[b] to
3948         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3949         behavior.
3950
3951 2005-11-16  Richard Henderson  <rth@redhat.com>
3952
3953         PR middle-end/23497
3954         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3955         parts of an SSA_NAME.
3956
3957 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3958
3959         PR target/24861
3960         * arm.md (split for movsf with immediate): Restrict split to insns
3961         that set a general register.
3962
3963 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3964
3965         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3966         uw_update_context.
3967         * unwind-dw2.c (uw_advance_context): Likewise.
3968         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3969         _Unwind_SjLj_Unregister.
3970         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3971
3972 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3973
3974         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3975
3976 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3977
3978         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3979         langhook to get a DImode integer type.
3980
3981 2005-11-16  Richard Henderson  <rth@redhat.com>
3982             J"orn Rennecke <joern.rennecke@st.com>
3983             Ulrich Weigand  <uweigand@de.ibm.com>
3984
3985         PR rtl-opt/24160
3986         PR target/24621
3987         * reload1.c (reg_equiv_invariant): New.
3988         (reload): Allocate, initialize, and free it.
3989         (calculate_needs_all_insns): Check it when skipping equivalence
3990         setting insns.
3991         (alter_reg): Likewise.
3992         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3993         may_use_invariant argument; only use reg_equiv_invariant when true.
3994         (eliminate_regs): New.
3995         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3996         a context for which may_use_invariant may be true.
3997
3998 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3999
4000         * fold-const.c (const_binop): Don't constant fold the operation
4001         if the result has overflowed and flag_trapping_math.
4002         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
4003
4004 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
4005
4006         * config/arm/unwind-arm.c (abort): Add prototype here.
4007         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
4008         (struct phase1_vrs): Add prev_sp.
4009         (unwind_phase2_forced): Save the original core registers instead of
4010         modifying entry_vrs.  Take a new flag argument for resuming unwinding
4011         and set action flags accordingly.  Always set _US_END_OF_STACK when
4012         get_eit_entry fails.  Unwind before calling the stop function.
4013         (_Unwind_GetCFA): New function.
4014         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
4015         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
4016         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
4017         just call unwind_phase2_forced.
4018         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
4019         * config/arm/unwind-arm.h (abort): Remove prototype.
4020         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
4021         prototypes.
4022         (_Unwind_GetCFA): New prototype.
4023         * config/arm/pr-support.c (abort): Add prototype here.
4024         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
4025         forced unwinding.
4026         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
4027         not schedule the prologue with non-call exceptions and EABI.
4028
4029 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
4030
4031         * config/arm/unwind-arm.h: Reorder interface function declarations.
4032         (_URC_END_OF_STACK): New enumeration value.
4033         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
4034         (struct _Unwind_Control_Block): Document reserved field use.
4035         (_Unwind_Stop_Fn): New typedef.
4036         (_Unwind_ForcedUnwind): Declare.
4037         (_Unwind_Resume_or_Rethrow): Declare.
4038         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
4039         argument.  Adjust.
4040         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
4041         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
4042         (UCB_FORCED_STOP_ARG): New.
4043         (search_EIT_table): Update boundary condition checks.
4044         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
4045         (unwind_phase2): Replace for with do..while.
4046         (unwind_phase2_forced): New.
4047         (__gnu_Unwind_RaiseException): Replace for with do..while.
4048         (__gnu_Unwind_ForcedUnwind): New.
4049         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
4050         Use appropriate phase2 unwinder.
4051         (__gnu_Unwind_Resume_or_Rethrow): New.
4052         (__gnu_unwind_pr_common): Cope with forced unwinding.
4053
4054 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
4055
4056         PR target/24772
4057         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
4058
4059         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
4060         roundsf2): Remove "s" from mnemonic.
4061
4062 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
4063
4064         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
4065         __PIC__ is defined.
4066         * config/bfin/crtn.s: Change epilogues to match.
4067         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
4068         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
4069         __PIC__ and __pic__.
4070
4071 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4072
4073         PR 24357
4074         * doc/invoke.texi: Distinguish between free and fixed form instead of
4075         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
4076         languages.
4077         * gcc.c (default_compilers): Remove double entries, add entries for
4078         suffixes '.F90' and '.F95'.
4079
4080 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
4081
4082         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
4083         in the stack probing loop.
4084
4085 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
4086
4087         * configure.ac: Use .machine power5 not power5x.
4088         * configure: Regenerate.
4089
4090 2005-11-15  Mike Stump  <mrs@apple.com>
4091
4092         * c-decl.c (lookup_name_two): Add.
4093         * c-tree.h (lookup_name_two): Likewise.
4094         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
4095         * config/darwin-c.c (darwin_pragma_unused): Likewise.
4096
4097 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
4098
4099         PR rtl-optimization/23392
4100         * regrename.c (enum scan_actions) Add mark_access.
4101         (scan_actions_name): Ditto.
4102         (scan_rtx_reg): Handle mark_access.
4103         (scan_rtx_address): Do nothing for mark_access.
4104         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
4105         and regs in REG_INC notes before closing chains for dead regs.
4106         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
4107         opening chains for new writes.
4108
4109 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
4110
4111         * c.opt (ffixed-line-length-none): New.
4112
4113 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
4114
4115         * mklibgcc.in: Change contents of eh_dummy.c.
4116
4117 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
4118
4119         * loop.c (scan_loop): Do not insert temporaries for hard registers.
4120
4121 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
4122
4123         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
4124         of making syscalls.
4125         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
4126
4127 2005-11-15  Jan Hubicka  <jh@suse.cz>
4128
4129         * invoke.texi (large-unit-insns): Document.
4130         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
4131         * params.def (large-unit-insns): New param.
4132
4133 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
4134
4135         PR target/24869
4136         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
4137         special register for operand 3.  Reindent constraints to align
4138         them vertically.
4139
4140 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
4141
4142         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
4143         -mpopcntb, -mfprnd. Add -mcpu=power5+.
4144         * configure.ac: Add test for FP rounding instructions.
4145         * configure: Regenerate.
4146         * config.in: Regenerate.
4147         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4148         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
4149         features enabled.
4150         * config/rs6000/rs6000.opt (mfprnd): New.
4151         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
4152         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
4153         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
4154         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
4155         (TARGET_FPRND): New.
4156         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
4157         UNSPEC_FRIZ): New.
4158         (btrunc<mode>2): New.
4159         (ceil<mode>2): New.
4160         (floor<mode>2): New.
4161         (round<mode>2): New.
4162
4163 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
4164
4165         * gcc.c (version_compare_spec_function): Use fatal() rather than
4166         abort().
4167
4168         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
4169         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
4170         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
4171         as empty.
4172         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
4173         link in crt2.o.
4174
4175         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
4176         on -mmacosx-version-min setting.
4177
4178 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
4179
4180         PR 24840
4181         * tree-vrp.c (infer_value_range): Return false if STMT is a
4182         block terminator and its basic block has no successors.
4183
4184 2005-11-14  Mike Stump  <mrs@apple.com>
4185
4186         * config/i386/i386.c (override_options): -masm=intel isn't
4187         supported on darwin.
4188         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4189
4190 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
4191
4192         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
4193         vfork after including auto-host.h.
4194
4195 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
4196
4197         PR rtl-optimization/22002
4198         * combine.c (distribute_notes): Detect cases where a reg dies
4199         two or more times in a bb, including on the insn we are combining,
4200         and place the death note on the correct range.
4201
4202 2005-11-14  Dale Johannesen  <dalej@apple.com>
4203
4204         * expmed.c (store_bit_field):  Add offset unconditionally for
4205         memory targets.
4206         (extract_bit_field):  Don't force extzv or extv operand into
4207         a register if field is too big.
4208
4209 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
4210
4211         * config/arm/arm.c (pic_labelno): New.
4212         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
4213         LABEL_REF.  Pass only the labelno to PIC insns.
4214         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4215         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
4216         * arm.md (UNSPEC_PIC_LABEL): New constant.
4217         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
4218         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
4219         Use the correct label prefix.
4220
4221 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
4222
4223         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
4224         REQ_EQUIV note.
4225
4226 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
4227
4228         * loop-invariant.c: Include tm_p.h.
4229         * Makefile.in: Updated.
4230
4231 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4232
4233         * pa.c (store_reg): Revise generation of frame notes in large frames.
4234         (set_reg_plus_d): Likewise.
4235
4236 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
4237
4238         PR tree-optimization/24709
4239         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
4240         loop check.
4241
4242 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4243
4244         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
4245         and duplicate declaration of pthread_self.
4246
4247 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
4248             Ian Lance Taylor  <ian@airs.com>
4249
4250         PR middle-end/24003
4251         * calls.c (expand_call): If TARGET is a MEM and some part of the
4252         argument area has been saved, force TARGET to a register.
4253
4254 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
4255
4256         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
4257         checking.
4258
4259 2005-11-13  Jason Merrill  <jason@redhat.com>
4260
4261         PR c++/22489
4262         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
4263         lazily declared methods.
4264         (force_decl_die): Stop if forcing out the context already make a
4265         DIE for the decl.
4266         (force_type_die): Likewise.
4267
4268 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
4269
4270         PR middle-end/24820
4271         * builtins.c (integer_valued_real_p): Add break in
4272         REAL_CST having TREE_OVERFLOW set.
4273
4274 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
4275
4276         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
4277         addressing modes during calculation of costs.
4278
4279 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
4280
4281         * function.c (assign_stack_local_1): Restrict sanity check
4282         on frame size overflow to 32-bit and above platforms.
4283
4284 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4285
4286         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
4287         * config/cris/cris.c: Include reload.h.
4288         (cris_initial_elimination_offset): New function.
4289         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
4290         Prototype.
4291
4292 2005-11-12  Richard Guenther  <rguenther@suse.de>
4293
4294         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
4295
4296 2005-11-12  Jan Hubicka  <jh@suse.cz>
4297
4298         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
4299         to compare against 0 when possible.
4300
4301 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
4302
4303         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
4304         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4305         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
4306         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
4307         in the new order.
4308
4309 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4310
4311         * recog.c (constrain_operands) <case 'g'>: For a match, require
4312         that a non-register matches general_operand when strict >= 0.
4313
4314 2005-11-11  Steven Bosscher  <stevenb@suse.de>
4315
4316         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
4317         previous checkin.
4318
4319 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
4320
4321         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
4322         (memory_address_same): New.
4323         (dse_optimize_stmt): Call memory_address_same.
4324
4325 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4326
4327         PR middle-end/24750
4328         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
4329         ZERO_EXTEND>: New cases.
4330
4331 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
4332
4333         * longlong.h (__clz_tab): Always provide.
4334
4335 2005-11-11  Steven Bosscher  <stevenb@suse.de>
4336
4337         PR 24265
4338         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
4339         can be assigned to.
4340         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
4341         before check_maybe_invariant.
4342         (move_invariant_reg): Use gen_move_insn instead of replacing
4343         SET_DEST with the temporary for the invariant.
4344         (move_loop_invariants): If checking is enabled, do internal
4345         consistency checks after completing the pass.
4346
4347 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
4348
4349         PR 24644
4350         * common.opt (Wvolatile-register-var): New.
4351         * varasm.c (make_decl_rtl): Only emit warning when option
4352         specified.  Clarify warning message.
4353         * doc/invoke.texi (Wvolatile-register-var): Document new option.
4354
4355         * doc/md.texi (copysign): Document standard named pattern.
4356
4357 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
4358
4359         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
4360         bytes when align is 2.
4361         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
4362         by the first instruction of the loop.
4363
4364 2005-11-11  Jason Merrill  <jason@redhat.com>
4365
4366         PR c++/24686
4367         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
4368         the cleanup list.
4369
4370 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
4371
4372         PR rtl-optimization/22509
4373         * local-alloc.c (memref_used_between_p): Check whether a function call
4374         could not reference the memref.
4375
4376 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
4377
4378         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
4379         algorithm so as to choose the best, not the worst, alternative.
4380         Reset accumulated register class before processing next alternative.
4381
4382 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4383
4384         PR target/24445
4385         * calls.c (expand_call): Copy a return value to a plain register
4386         if needed.
4387
4388 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
4389
4390         PR target/24778
4391         * varasm.c (assemble_name): Recompute name only for transparent
4392         aliases.
4393
4394 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
4395
4396         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4397
4398 2005-11-04  Jeff Law  <law@redhat.com>
4399
4400         PR middle-end/23181
4401         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4402         perform reassociation if the parent statement will not die as
4403         a result of the optimization.
4404
4405 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
4406
4407         * tree-ssa-alias.c (compute_may_aliases): Remove call to
4408         delete_old_heap_vars.
4409         * tree-dfa.c (referenced_var_remove): Remove function.
4410         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4411         (delete_tree_ssa): Remove call to delete_old_heapvars.
4412         Add call to delete_alias_heapvars.
4413         * tree-flow.h (referenced_var_remove): Remove prototype
4414         (init_alias_heapvars): New prototype.
4415         (delete_alias_heapvars): Ditto.
4416         * Makefile.in (tree-ssa-structalias.o): Add
4417         gt-tree-ssa-structalias.o
4418         (GTFILES): Add tree-ssa-structalias.h and
4419         tree-ssa-structalias.c.
4420         (s-gtype): Add gt-tree-ssa-structalias.h.
4421         * tree-ssa-structalias.c (heapvars): Remove.
4422         (oldheapvars): Remove.
4423         (heapvar_for_stmt): New variable.
4424         (heapvar_lookup): New function.
4425         (heapvar_insert): Ditto.
4426         (get_constraint_for): See if we have an old heapvar
4427         to reuse.
4428         (init_alias_heapvars): New function.
4429         (delete_alias_heapvars): Ditto.
4430         Add include of gt-tree-ssa-structalias.h.
4431
4432 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4433
4434         PR middle-end/22127
4435         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4436
4437 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
4438
4439         * tree.c (int_fits_type_p): Only look at the base type
4440         if it has the same precision as the original type.
4441
4442 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
4443
4444         PR other/4372
4445         * varasm.c (assemble_alias): Use %q+D in the error
4446         message instead of %J and %qD.
4447
4448 2005-11-10  Richard Guenther  <rguenther@suse.de>
4449
4450         * gcse.c (free_ldst_entry): Only free hashtable if
4451         it exists.
4452
4453 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4454
4455         * function.c (assign_stack_local_1): Issue an error message if
4456         the frame size overflows in the signed target arithmetics.
4457
4458 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4459
4460         * tree.c (build_qualified_type): Chain the new type to the original
4461         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4462         a POINTER_TYPE or a REFERENCE_TYPE respectively.
4463         (build_pointer_type_for_mode): Only return unqualified types.
4464         (build_reference_type_for_mode): Likewise.
4465
4466 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
4467
4468         * Makefile.in (gnucompare): Do comparison of all files using one of
4469         the chosen methods and only afterwards decide if just warning should
4470         be issued or comparison failure raised.
4471
4472 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4473
4474         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4475         (noce_try_abs): Negate if the comparison is reversed.
4476         Look only one instruction backwards for a REG_EQUAL note.
4477
4478 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4479
4480         PR other/4372
4481         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4482         gthr-tpf.h: Define __gthrw.  For all identifiers that might
4483         be weak, introduce weakrefs or non-weak aliases with __gthrw,
4484         and prefix all uses with __ghtrw.
4485
4486 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4487
4488         PR other/4372
4489         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4490         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
4491         * c-common.c (handle_weakref_attribute): New.
4492         (c_common_attribute_table): Add weakref.
4493         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4494         in the assembler.
4495         * configure, config.in: Rebuilt.
4496         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4497         * doc/extend.texi: Document weakref attribute.
4498         * varasm.c (ultimate_transparent_alias_target): New
4499         (assemble_name): Use it.
4500         (weak_finish_1): Split out of...
4501         (weak_finish): ... and deal with weakrefs in...
4502         (weakref_targets): ... new list.
4503         (globalize_decl): Clean up weakref_targets.
4504         (do_assemble_alias): Handle weakrefs.
4505         (finish_aliases_1): Do not reject weakrefs to external symbols.
4506         (assemble_alias): Handle weakrefs.
4507
4508 2005-11-09  Richard Guenther  <rguenther@suse.de>
4509
4510         PR tree-optimization/24716
4511         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4512         t_bool to track results from follow_ssa_edge.
4513
4514 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4515
4516         * final.c (force_source_line): New global variable.
4517         (final_scan_insn): Set it to true instead of clearing last_filename.
4518         (notice_source_line): Return true if force_source_line is true,
4519         unless source info is absent.
4520
4521 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
4522
4523         PR c/24644
4524         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4525         a linkage name for a variable if it a register variable.
4526         * c-decl.c (grokdeclarator): Global register variables
4527         should be set as PUBLIC.
4528
4529 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4530
4531         PR 24624
4532         * config/s390/s390.c (struct s390_frame_layout): New fields
4533         first_save_gpr_slot and last_save_gpr_slot.
4534         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4535         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4536         first_save_gpr and last_save_gpr with the _slot variants.
4537         (s390_register_info): Calculate first_save_gpr_slot and
4538         last_save_gpr_slot using regs_ever_live.
4539
4540 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4541
4542         PR 24623
4543         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4544         for a function containing a landing pad.
4545
4546 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4547
4548         PR 24034
4549         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4550         is live afterwards.
4551
4552 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
4553
4554         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4555         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4556
4557 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
4558
4559         Add ms2 support
4560         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4561         constants.
4562         (call,load,store): New insn types.
4563         (mem_access, branch_access): Adjust reservation conditions.
4564         (define_delay): Adjust condition.
4565         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
4566         type.
4567         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4568         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4569         insn type.
4570         (call_internal, call_value_internal, return_internal,
4571         return_interrupt_internal, eh_return_internal, indirect_jump,
4572         tablejump): Set call insn type.
4573         (blockage, ei, di): Use appropriate unspec const.
4574         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4575         (ms1_get_attr_type): Adjust to give load & store types.
4576         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
4577         backwards past a barrier.
4578         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
4579         branch scheduling.
4580         (struct branch_info, struct label_info): New.
4581         (ms1_labels): New.
4582         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4583         (ms1_machine_reorg): New.
4584         (TARGET_MACHINE_DEPENDENT_REORG): Override.
4585         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4586         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4587         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4588         (TARGET_MS2): New.
4589
4590 2005-11-09  Per Bothner  <per@bothner.com>
4591             Uros Bizjak  <uros@kss-loka.si>
4592
4593         PR c/24101
4594         * toplev.c (process_options): Initialize debug_hooks early
4595         in case lang_hooks.post_options ends up calling a debug_hook.
4596
4597 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
4598
4599         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4600         DBX_REGISTER_NUMBER being contiguous.
4601
4602 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
4603             Diego Novillo  <dnovillo@redhat.com>
4604
4605         PR 23046
4606         * tree-vrp.c (register_edge_assert_for): Do not register
4607         always-false predicates.
4608
4609 2005-11-08  Devang Patel <dpatel@apple.com>
4610
4611         PR tree-optimization/23115
4612         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4613         relation.
4614
4615 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
4616
4617         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4618         -mcpu=440.
4619
4620 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
4621
4622         Fix PR tree-optimization/23382
4623
4624         * tree-ssa-alias.c (compute_may_aliases): Call
4625         delete_old_heap_vars.
4626         * tree-dfa.c (referenced_var_remove): New function.
4627         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4628         * tree-flow.h (referenced_var_remove): Add prototype.
4629         (delete_old_heap_vars): Ditto.
4630         * tree-ssa-structalias.c (heapvars): New variable.
4631         (oldheapvars): Ditto.
4632         (get_constraint_for): Put heap vars on heapvars list.
4633         (delete_old_heap_vars): New function.
4634
4635 2005-11-08  Jason Merrill  <jason@redhat.com>
4636
4637         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4638
4639 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
4640
4641         PR target/19340
4642         * reg-stack.c (reg_to_stack): Update register liveness also
4643         for flag_sched2_use_traces.
4644
4645 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
4646
4647         PR target/23704
4648         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4649         override prior explicit -mno-powerpc-gfxopt.
4650
4651 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
4652
4653         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4654         if the bitsize is zero.
4655         * doc/md.texi (Standard Pattern Names): Document it.
4656
4657         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4658         (TARGET_PASS_BY_REFERENCE): Likewise.
4659
4660 2005-11-07  Ian Lance Taylor  <ian@airs.com>
4661
4662         PR rtl-optimization/24683
4663         * config/i386/i386.c (legitimize_pic_address): If constant operand
4664         to PLUS is too large, put it in a register.
4665
4666 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
4667
4668         * configure.ac: Enable checking assembler dwarf2 support for bfin
4669         target.
4670         * configure: Regenerate.
4671
4672 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4673
4674         PR target/24230
4675
4676         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4677         gen_easy_vector_constant_add_self): Delete.
4678         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4679         New.
4680         (output_vec_const_move): Use gen_easy_altivec_constant.
4681         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4682         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4683         (easy_vector_constant_add_self): Rewritten.
4684         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4685         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4686         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4687         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4688         Macroize and adjust for the other changes.
4689
4690 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4691
4692         PR c/24599
4693
4694         * c-typeck.c (build_c_cast): Try using a shared constant, and see
4695         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4696
4697 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
4698
4699         PR rtl-optimization/23567
4700         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4701         (noce_process_if_block): Don't do any optimizations except
4702         if (cond) x = x; if !set_b and write into orig_x may trap
4703         or fault.  Remove the MEM_READONLY_P check.
4704
4705 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
4706
4707         PR 24670
4708         * tree-vrp.c (fix_equivalence_set): New.
4709         (extract_range_from_assert): Call it.
4710
4711 2005-11-05  Ian Lance Taylor  <ian@airs.com>
4712
4713         PR target/22432
4714         * combine.c (apply_distributive_law): Don't distribute across a
4715         vector mode subreg.
4716
4717 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
4718
4719         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4720         config/ms1/ms1.h, config/rs6000/predicates.md,
4721         config/s390/s390.c, params.def, postreload-gcse.c,
4722         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4723         tree-vrp.c, tree.c: Fix comment typos.
4724         * doc/invoke.texi: Fix typos.
4725
4726 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
4727
4728         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4729         for testing whether the data_dependence_relation contains distance
4730         vectors.  Iterate over all distance vectors of the ddr.
4731         * lambda.h: Define a vec of lambda_vector pointers.
4732         * tree-data-ref.c (dump_data_dependence_relation,
4733         dump_data_dependence_direction): Iterate over all distance and
4734         direction vectors of the ddr.
4735         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4736         DDR_DIST_VECTS.
4737         (build_classic_dist_vector, build_classic_dir_vector): Push a set
4738         of distance/direction vectors instead of a single one.
4739         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4740         lambda_vectors with a vec of lambda_vectors.
4741         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4742         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4743         DDR_NUM_DIST_VECTS): New.
4744         * tree-loop-linear.c (gather_interchange_stats): Test for the
4745         existence of distance vectors only after having checked that there
4746         is a dependence.  Iterate over all distance vectors of the ddr.
4747         (linear_transform_loops): Use dump_data_dependence_relation.
4748         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4749         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
4750         distance vectors of the ddr.
4751
4752 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4753
4754         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4755         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4756         IS_INTHANDLER; all callers changed.
4757         (n_regs_saved_by_prologue): Take interrupt handler attributes into
4758         account.
4759         (do_link, do_unlink): New argument ALL; all callers changed.
4760         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4761         If function isn't leaf, save and restore all registers.
4762         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4763         exception handler.
4764
4765 2005-11-05  Jan Hubicka  <jh@suse.cz>
4766
4767         PR rtl-optimization/23490
4768         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4769         max-flow-memory-location): Document.
4770         * flow.c: Include params.h
4771         (MAX_MEM_SET_LIST_LEN): Kill.
4772         (add_to_mem_set_list): Use new param.
4773         * cse.c (cse_basic_block): Replace 1000 by new param.
4774         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4775         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4776         * predict.c (predict_loops): Use new param.
4777         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4778
4779         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4780         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4781         Do not hold memory returned by cgraph_node_name across other call.
4782
4783 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
4784
4785         PR target/23424
4786         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4787         Disable.
4788
4789 2005-11-04  Jeff Law  <law@redhat.com>
4790
4791         PR/21883
4792         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4793         * tree-ssa-dom.c: Include params.h.
4794         (thread_across_edge): If there are too many statements in the
4795         target block, then do not thread through it.
4796         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4797         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4798
4799 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
4800
4801         PR 24627
4802         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4803         TODO_update_ssa instead of TODO_update_ssa_no_phi.
4804
4805 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
4806
4807         PR/18595
4808         * tree-scalar-evolution.c (instantiate_parameters_1,
4809         instantiate_parameters, resolve_mixers): Compute the size of an
4810         expression to be instantiated and give up the instantiation if the
4811         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4812
4813 2005-11-04  Richard Guenther  <rguenther@suse.de>
4814
4815         * tree-flow.h (ref_contains_indirect_ref): Rename to
4816         array_ref_contains_indirect_ref.
4817         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4818         (array_ref_contains_indirect_ref): Make comment match the code
4819         and vice-versa.
4820         (ref_contains_array_ref): Likewise.
4821         * tree-ssa-structalias.c (find_func_aliases): Remove call to
4822         ref_contains_indirect_ref.
4823         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4824         Rename calls to ref_contains_indirect_ref.
4825
4826 2005-11-04 Paul Brook  <paul@codesourcery.com>
4827
4828         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4829         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4830         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4831         * config/arm/arm.md: Use match_operand in peephole input templates
4832         and match_dup in peephole output templates.
4833
4834 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4835
4836         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4837         __aeabi_uidiv.
4838
4839 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
4840             Daniel Jacobowitz  <dan@codesourcery.com>
4841
4842         * longlong.h (add_ssaaaa): Clobber condition code register
4843         in ARM version.
4844         (sub_ddmmss): Likewise.
4845         (umul_ppmm): Likewise.
4846
4847 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4848             Paul Brook  <paul@codesourcery.com>
4849             Phil Blundell  <pb@reciva.com>
4850
4851         * configure.ac: Add test for ARM TLS support.
4852         * configure: Regenerated.
4853         * config/arm/arm-protos.h (legitimize_tls_address)
4854         (arm_tls_referenced_p, tls_mentioned_p)
4855         (arm_output_addr_const_extra): New prototypes.
4856         (thumb_legitimize_pic_address): Delete.
4857         * config/arm/arm.c: Include "gt-arm.h".
4858         (enum tls_reloc): New.
4859         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4860         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4861         (arm_call_tls_get_addr, legitimize_tls_address)
4862         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4863         (arm_init_tls_builtins, arm_emit_tls_decoration)
4864         (arm_output_addr_const_extra): New functions.
4865         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4866         (TARGET_HAVE_TLS): Define.
4867         (target_thread_pointer): New.
4868         (arm_override_options): Handle -mtp=.
4869         (legitimize_pic_address): Ignore UNSPECs.
4870         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4871         relative symbols.
4872         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4873         (tls_get_addr_libfunc): New variable.
4874         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4875         (arm_init_builtins): Call arm_init_tls_builtins.
4876         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4877         (arm_encode_section_info): Call default_encode_section_info.
4878         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4879         (enum arm_tp_type): New.
4880         (target_thread_pointer): Add declaration.
4881         (LEGITIMATE_CONSTANT_P): Handle TLS.
4882         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4883         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4884         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4885         * config/arm/arm.md: Add UNSPEC_TLS.
4886         (movsi): Handle TLS.
4887         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4888         non-PIC.
4889         (tls_load_dot_plus_eight): New insn and a peephole to create it.
4890         (load_tp_hard, load_tp_soft): New insns.
4891         * arm.opt: Add -mtp=.
4892         * doc/invoke.texi (ARM Options): Document -mtp.
4893
4894 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4895
4896         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4897         * config/arm/libunwind.S: Include "lib1funcs.asm".
4898         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4899         (LIB2ADDEH): Add libunwind.S.
4900         (LIB2ADDEHDEP): Add lib1funcs.asm.
4901         * mklibgcc.in: Handle asm files in libgcc_eh.a.
4902
4903 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4904
4905         PR fortran/18452
4906         * gcc/c.opt: Add a -lang-fortran option.
4907         * gcc/c-opts.c: Add a lang_fortran flag.
4908         (c_common_init_options): Handling the -lang-fortran option.
4909         (c_common_handle_option): Add a case for Fortran options in
4910         preprocessing. Remove cases for -ffixed-form and
4911         -ffixed-line-length. Add a case for -lang-fortran.
4912
4913 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4914
4915         * config/rs6000/rs6000.c: Include params.h
4916         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4917         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4918         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4919         (UNSPEC_VPKUWSS): Delete.
4920         (altivec_vpkuhss): Delete.
4921         (altivec_vpkuwss): Delete.
4922         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4923         final condition.
4924         (neg_eq0<mode>): Remove final condition.
4925         (neg_eq<mode>): Remove condition and split-condition.
4926
4927 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4928
4929         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4930         Use associated print macros.
4931
4932 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4933
4934         PR c++/17964
4935         * diagnostic.c (diagnostic_set_info_translated): New function.
4936         (diagnostic_set_info): Use it.  Add comment.
4937         * diagnostic.h (diagnostic_set_info_translated): Declare.
4938
4939 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4940
4941         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4942         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4943         reference only if 'public' is true.
4944         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4945         emit the .hidden directive only if the indirect reference is public.
4946         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4947         Pass it to dw2_force_const_mem.
4948         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4949         * dwarf2out.c (output_cfi): Adjust calls to above function.
4950         (output_call_frame_info): Likewise.
4951         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4952         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4953
4954 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4955
4956         PR tree-optimization/24483
4957         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4958         field to elts if possible.
4959
4960 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4961
4962         PR middle-end/23155
4963         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4964         CONSTRUCTOR.
4965
4966 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4967
4968         Fix PR tree-optimization/24351
4969
4970         * tree-ssa-structalias.c (struct variable_info): Add
4971         collapsed_into.
4972         (get_varinfo_fc): New function to follow collapsing.
4973         (new_var_info): Set collapsed_to to NULL.
4974         (dump_constraint): Follow collapsing.
4975         (build_constraint_graph): Handle collapsing.
4976         (do_simple_structure_copy): Return false if something bad
4977         happened.
4978         (collapse_rest_of_var): New function.
4979         (do_structure_copy): Collapse if do_simple_structure_copy returns
4980         false.
4981
4982 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4983
4984         PR middle-end/24589
4985         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4986         expressions to a statement list instead of gimplifying them.
4987
4988 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4989
4990         PR rtl-optimization/23585
4991         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4992         that can't trap plus a constant integer, if the mode has zero size.
4993
4994 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4995
4996         PR target/24620
4997         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4998         as operand 2.
4999         ("*insv<mode>_reg_extimm"): Likewise.
5000
5001 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
5002
5003         PR c/24329
5004         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
5005         c_common_type_for_mode returns an unnamed type.
5006
5007 2005-11-02  Richard Henderson  <rth@redhat.com>
5008
5009         PR target/9350
5010         PR target/24374
5011         * dwarf2out.c (dwarf2out_reg_save_reg): New.
5012         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
5013         * function.c (assign_parms): Use calls.internal_arg_pointer.
5014         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
5015         code.
5016         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
5017         (TARGET_CALLS): Add it.
5018         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
5019         * targhooks.c (default_internal_arg_pointer): New.
5020         * targhooks.h (default_internal_arg_pointer): Declare.
5021         * tree.h (dwarf2out_reg_save_reg): Declare.
5022         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
5023         * config/i386/i386.c (dbx_register_map): Add return column.
5024         (dbx64_register_map, svr4_dbx_register_map): Likewise.
5025         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
5026         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
5027         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
5028         (ix86_save_reg): Save force_align_arg_pointer.
5029         (ix86_emit_save_regs): Make regno unsigned.
5030         (ix86_emit_save_regs_using_mov): Likewise.
5031         (ix86_expand_prologue): Handle force_align_arg_pointer.
5032         (ix86_expand_epilogue): Likewise.
5033         * config/i386/i386.h: (dbx_register_map): Update.
5034         (dbx64_register_map, svr4_dbx_register_map): Update.
5035         (struct machine_function): Add force_align_arg_pointer.
5036         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
5037         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
5038         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
5039
5040 2005-11-02  Jan Hubicka  <jh@suse.cz>
5041
5042         PR target/23303
5043         * i386.md: Add peep2 for simplyfing array accesses.
5044
5045 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
5046
5047         PR target/24615
5048         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
5049         * config/s390/s390.c (s390_decompose_shift_count): New function.
5050         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
5051         (print_shift_count_operand): Use s390_decompose_shift_count.
5052         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
5053         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
5054
5055 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
5056
5057         PR target/24600
5058         * loop.c (loop_givs_rescan): Use force_operand to expand
5059         complex GIVs.
5060
5061 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
5062
5063         PR 22429
5064         * fold-const.c (build_range_check): Use unsigned when signed
5065         overflow is undefined also.  If etype is subtype, make sure that
5066         the subtraction is in the supertype.
5067
5068 2005-11-02  Richard Henderson  <rth@redhat.com>
5069
5070         PR target/24178
5071         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
5072         by MEM_ALIGN.
5073
5074 2005-11-01  Richard Henderson  <rth@redhat.com>
5075
5076         PR 21518
5077         * loop.c (scan_loop): Do not propagate computations to a hard
5078         register destination with SMALL_REGISTER_CLASSES.
5079
5080 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
5081
5082         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
5083         costs for MULT inside PLUS or MINUS.
5084
5085 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
5086
5087         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
5088         (TRAMPOLINE_SIZE): Round up to 60.
5089         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
5090
5091 2005-10-31  James E. Wilson  <wilson@specifix.com>
5092
5093         PR debug/24444
5094         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
5095         ifdef.  Put ifdefs around call in gen_subprogram_die.
5096         (compute_frame_pointer_to_cfa_displacement): Likewise.
5097         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
5098         not defined.
5099
5100         PR rtl-optimization/17356
5101         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
5102         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
5103
5104 2005-10-31  Jan Hubicka  <jh@suse.cz>
5105
5106         PR middle-end/24093
5107         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
5108
5109         PR target/20928
5110         * i386.c (legitimize_pic_address): Deal with large immediates.
5111
5112         PR profile/20815
5113         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
5114         from symbol names while computing checkup.
5115
5116         PR profile/24487
5117         * predict.c (predict_loops): Do not estimate more than
5118         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
5119         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
5120
5121 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
5122
5123         PR tree-optimization/19097
5124         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
5125
5126 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
5127
5128         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
5129
5130 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
5131
5132         PR middle-end/23492
5133         * tree-inline.c (setup_one_parameter): If the init_stmt
5134         is NULL, don't insert the statement.
5135
5136 2005-10-30  Jan Hubicka  <jh@suse.cz>
5137
5138         PR tree-optimization/24172
5139         * tree-inline.c (copy_body_r): Unshare the substituted value first.
5140
5141 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
5142
5143         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
5144         constants for hosts with long != 32 bits.
5145
5146 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
5147
5148         PR middle-end/24093
5149         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
5150
5151 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
5152
5153         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
5154         (TARGET_MS1_16_002): New.
5155         (TARGET_MS1_16_003): New.
5156
5157         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
5158         ("*decrement_and_branch_until_zero_no_clobber"): New.
5159         Add corresponding splitter for decrement_and_branch_until_zero
5160         instruction.
5161         Key all decrement_and_branch_until_zero patterns off of
5162         TARGET_MS1_16_003.
5163
5164 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
5165
5166         PR middle-end/24362
5167         * tree-complex.c (extract_component): Treat RESULT_DECL
5168         like the rest of the decls.
5169
5170 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
5171
5172         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
5173         indirect call to _mcount if the function needs a static chain.
5174
5175 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
5176             Caroline Tice  <ctice@apple.com>
5177
5178         PR rtl-optimization/24460
5179         * dwarf2out.c (have_switched_text_sections): New boolean variable.
5180         (dwarf2out_switch_text_section): Set it to true instead of
5181         incrementing separate_line_info_table_in_use.
5182         (output_loc_list): Additionally test have_switched_text_sections.
5183         (output_ranges): Likewise.
5184         (dwarf2out_finish): Likewise.
5185         * varasm.c (assemble_start_function): Do not call
5186         insert_section_boundary_note.
5187         (assemble_end_function): If flag_reorder_blocks_and_partition,
5188         switch to the function's section before emitting the .size directive.
5189         * bb-reorder.c (insert_section_boundary_note): Staticify.
5190         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
5191         * output.h (insert_section_boundary_note): Delete.
5192
5193 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
5194
5195         PR c/23103
5196         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
5197         instead of pointer equality when comparing types.
5198
5199 2005-10-24  James E. Wilson  <wilson@specifix.com>
5200
5201         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
5202         add_dependence_list_and_free calls.
5203
5204 2005-10-24  Steven Bosscher  <stevenb@suse.de>
5205
5206         * contrib.texi: Add the names of the LLNL folks who donated
5207         Cray pointer support for gfortran.
5208
5209 2005-10-24  Steven Bosscher  <stevenb@suse.de>
5210
5211         PR tree-optimization/24225
5212         * profile.c (branch_prob): Look from end to start through a
5213         basic block when looking for a locus.
5214
5215 2005-10-24  Richard Henderson  <rth@redhat.com>
5216
5217         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
5218         parallel.
5219         (hppa_expand_prologue): Likewise.
5220
5221 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5222
5223         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
5224         (NO_DEFERRED_PROFILE_COUNTERS): Define.
5225         * pa.h (NO_PROFILE_COUNTERS): Define.
5226         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
5227         (funcdef_nos): New vector to hold label numbers of deferred profile
5228         counters.
5229         (output_deferred_profile_counters): New function.
5230         (hppa_profile_hook): Push label number onto funcdef_nos.
5231         (pa_hpux_file_end): Call output_deferred_profile_counters if
5232         NO_DEFERRED_PROFILE_COUNTERS is false.
5233
5234         * pa-protos.h (get_deferred_plabel): New prototype.
5235         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
5236         Make global.
5237         (output_call): Adjust calls.
5238
5239 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
5240
5241         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
5242         peculiarity of GOT/TOC section usage.
5243
5244 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
5245
5246         PR objc/24435
5247          * c-common.c (constant_string_class_name): Add documentation.
5248
5249 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
5250
5251         PR target/23832
5252         * recog.c (peephole2_optimize): Increment peep2_current_count
5253         only when the slot is empty.
5254
5255 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5256
5257         PR ada/23957
5258         * except.c (output_function_exception_table): Call
5259         assemble_external_libcall if we need a personality function.
5260
5261 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5262
5263         PR rtl-optimization/24460
5264         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
5265         set the basic block for barriers.
5266
5267 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
5268
5269         * var-tracking.c (vt_initialize): Initialize post.
5270
5271 2005-10-21  Devang Patel  <dpatel@apple.com>
5272
5273         PR/24220
5274         * c-common.c (vector_types_convertible_p): Check vector element type.
5275
5276 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
5277
5278         * config/sh/sh.c (prepare_move_operands): Handle the address
5279         constant which is a tls symbolic address plus a constant.
5280
5281 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
5282
5283         PR driver/24473
5284         * gcc.c (main): Use the correct counter for erroring out
5285         about mulitple files.
5286
5287 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
5288
5289         PR target/24465
5290         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
5291         use r2 for 64-bit tls .got access.
5292
5293 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
5294
5295         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
5296         TRUTH_OR_EXPR.
5297
5298 2005-10-20  Steven Bosscher  <stevenb@suse.de>
5299
5300         PR tree-optimization/24307
5301         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
5302
5303 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
5304
5305         PR middle-end/24295
5306         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
5307         alias targets.
5308         * varasm.c (find_decl_and_mark_needed): After cgraph global info
5309         is ready, stop marking functions, but still mark variables.
5310
5311 2005-10-20  Richard Guenther  <rguenther@suse.de>
5312
5313         PR c++/24439
5314         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
5315         void type operands.
5316
5317 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
5318
5319         PR rtl-optimization/23585
5320         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
5321         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
5322         (may_trap_p_1): New predicate extracted from...
5323         (may_trap_p): ... here.  Invoke may_trap_p_1.
5324         (may_trap_or_fault_p): New predicate.
5325         * rtl.h (may_trap_or_fault_p): Declare it.
5326         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
5327         instead of may_trap_p.
5328         (steal_delay_list_from_fallthrough): Likewise.
5329         (fill_simple_delay_slots): Likewise.
5330         (fill_slots_from_thread): Likewise.
5331         * function.c (pad_to_arg_alignment): Rework comment about
5332         SPARC_STACK_BOUNDARY_HACK.
5333         * config/sparc/sparc.h: Likewise.
5334
5335 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
5336
5337         * config/s390/s390.c (s390_expand_insv): New.
5338         * config/s390/s390-protos.h (s390_expand_insv): Declare.
5339         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
5340         ("icm_hi"): Remove mode attribute.
5341         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
5342         Adjust all uses.
5343         ("*extracthi", "*extractqi"): Remove.
5344         (extv<mode>", "*extzv<mode>"): New.
5345         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
5346         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
5347
5348 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5349
5350         * cfgexpand.c (discover_nonconstant_array_refs_r,
5351         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
5352         (tree_expand_cfg): Call discover_nonconstant_array_refs.
5353         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5354         discover_nonconstant_array_refs.
5355
5356 2005-10-19  Steven Bosscher  <stevenb@suse.de>
5357
5358         PR c/23228
5359         * c-decl.c (pop_scope): Don't warn about an unused variable
5360         if it is marked with TREE_NO_WARNING.
5361         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
5362         somenow mismatch and olddecl is to be replaced.
5363
5364 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
5365
5366         PR middle-end/23199
5367         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5368         whether registers live on the edge can be saved/restored.
5369
5370 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
5371
5372         * config/sh/sh.c (fixup_mova): Skip notes.
5373
5374 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5375
5376         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
5377         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
5378         (s390_can_eliminate): Handle BASE_REGNUM elimination.
5379         (s390_initial_elimination_offset): Likewise.
5380         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
5381         register on TARGET_ZARCH targets.
5382         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
5383         (INITIAL_FRAME_POINTER_OFFSET): Remove.
5384         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
5385         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
5386
5387 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5388
5389         * config/s390/s390.md: Comment describing output modifiers updated.
5390         * config/s390/s390.c (print_operand): Likewise.
5391
5392 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5393
5394         * config/s390/s390.c (override_options): Added check for -mstack-size
5395         64k limitation.
5396         * doc/invoke.texi: Mention that limit in the documenation.
5397
5398 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
5399
5400         PR #19672
5401         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5402
5403 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
5404
5405         Fix PR tree-optimization/24231
5406
5407         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5408         (compute_avail): Ditto.
5409
5410 2005-10-18  Richard Henderson  <rth@redhat.com>
5411
5412         PR target/24428
5413         * config/i386/i386.c (legitimate_constant_p): Check
5414         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
5415         if LABEL_REF.
5416         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5417         (legitimate_pic_address_disp_p): Reorg CONST checking to make
5418         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
5419         directly.
5420         (print_operand_address): Likewise.
5421         * config/i386/predicates.md (x86_64_immediate_operand): Test
5422         SYMBOL_REF_TLS_MODEL properly inside CONST.
5423         (x86_64_zext_immediate_operand): Likewise.
5424         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5425         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5426         * config/i386/i386-protos.h: Remove predicates.md entries.
5427
5428 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
5429
5430         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5431         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5432
5433 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
5434             Ian Lance Taylor <ian@airs.com>
5435
5436         PR middle-end/23522
5437         * fold-const.c (fold_widened_comparison): Do not allow range based
5438         constant folding when right operand cannot be unwidened.
5439
5440 2005-10-17  Richard Henderson  <rth@redhat.com>
5441
5442         * builtins.c (expand_builtin_synchronize): Build a new-style asm
5443         with a memory clobber.
5444
5445 2005-10-17  James E Wilson  <wilson@specifix.com>
5446
5447         PR rtl-optimization/17356
5448         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5449         checking for EDGE_EH.
5450
5451 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
5452
5453         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5454         the slot on an even boundary for any type with 16-byte alignment.
5455
5456 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
5457
5458         PR target/23424
5459         * md.texi (Modifiers) <%>: Clarify that % doesn't work
5460         after register allocation.
5461
5462 2005-10-17  DJ Delorie  <dj@redhat.com>
5463
5464         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5465         as frame related.
5466
5467 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
5468
5469         PR c++/22551
5470         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5471         overflow flags.
5472
5473 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
5474
5475         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5476         to 2 if it's already non-zero.
5477         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5478         is set and warn about it if flag_schedule_insns is 1.
5479
5480 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
5481
5482         * config/crx/crx.md: Compare-and-branch instructions need to
5483         invalidate CC.
5484
5485 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
5486
5487         PR target/24315
5488         * config/i386/i386.md (*pushdi2_rex64 splitter)
5489         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5490         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5491         flow2 pass only when (optimize > 0 && flag_peephole2).
5492
5493 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
5494
5495         PR driver/22544
5496         * gcc.c (have_c): New static variable.
5497         (have_o): Likewise.
5498         (process_command): Remove declation of have_c.
5499         Set have_o to 1 when handling -o.
5500         (main): Add a fatel error if there are multiple
5501         files specified and -o and -c/-S is passed witout
5502         -combine or multiple languages.
5503
5504 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
5505
5506         Fix PR tree-optimization/22444
5507         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5508         Assert that we don't hit something with subvars.
5509         (setup_pointers_and_addressables): Don't add things with subvars,
5510         because we'll already process the subvars for aliasing purposes.
5511
5512 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
5513
5514         PR target/23424
5515         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5516         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5517         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5518         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5519         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5520         swapped, alternatives for the R constraint.
5521
5522         PR middle-end/24341
5523         * builtins.c (get_builtin_sync_mode): Make unlimited
5524         mode_for_size request.
5525
5526 2005-10-15  Richard Henderson  <rth@redhat.com>
5527
5528         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5529         (gimplify_expr): ... here.
5530         (gimplify_compound_lval): Use it in initial scan loop.  Allow
5531         fb_lvalue in base expression.
5532
5533 2005-10-15  Richard Henderson  <rth@redhat.com>
5534
5535         PR 23714
5536         * builtins.c (expand_builtin_trap): Export.
5537         * expr.h (expand_builtin_trap): Declare.
5538         * expr.c (expand_assignment): Emit a trap for integral offsets
5539         from registers that weren't reduced to bitpos.
5540
5541         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5542         (mark_array_ref_addressable): Remove.
5543         * tree-flow.h (mark_array_ref_addressable): Remove.
5544         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5545
5546 2005-10-15  James E Wilson  <wilson@specifix.com>
5547
5548         PR target/24232
5549         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
5550         (add_dependence_list_and_free): Likewise.
5551         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5552         call.
5553
5554 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
5555
5556         PR 23141
5557         PR 23142
5558         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5559         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5560         anti-range.
5561         (vrp_visit_phi_node): Only prevent infinite iterations when
5562         the previous result and the new result are both VR_RANGEs.
5563
5564 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
5565
5566         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5567         function comment.
5568
5569 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5570
5571         PR c/23439
5572         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5573         to initialize loc.
5574
5575 2005-10-14  Per Bothner  <per@bothner.com>
5576
5577         PR preprocessor/21250
5578         * c-ppoutput.c (print_line): Print internal line 0 as 1.
5579
5580 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
5581
5582         PR c++/22551
5583         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5584         overflow flags.  Refactor some conditionals.
5585
5586 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
5587
5588         PR tree-opt/21304
5589         * tree-dfa.c (add_referenced_var): Only look at decls which
5590         have TREE_CONSTANT or TREE_READONLY set instead of if
5591         !TREE_PUBLIC or !TREE_CONSTANT.
5592
5593 2005-10-13  James E Wilson  <wilson@specifix.com>
5594
5595         * doc/invoke.texi: For -x, add f95-cpp-input.
5596         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5597
5598 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5599
5600         PR tree-optimization/24262
5601         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5602         in loop all the time.
5603
5604 2005-10-12  Richard Henderson  <rth@redhat.com>
5605
5606         PR c/24255
5607         * tree.h (DECL_TRANSPARENT_UNION): Remove.
5608         * function.c (assign_parm_find_data_types): Don't support it.
5609         * print-tree.c (print_node): Likewise.
5610         * c-common.c (handle_transparent_union_attribute): Likewise.
5611         Use build_duplicate_type.
5612         * tree-inline.c (remap_type_1): Split out of remap_type;
5613         properly remap aggregate fields.
5614         (build_duplicate_type): New.
5615         * doc/extend.texi (Variable Attributes): Remove documentation
5616         for transparent_union.
5617
5618 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5619
5620         PR target/24284
5621         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5622         (gen_stack_pointer_dec): Likewise.
5623
5624 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
5625
5626         PR middle-end/21275
5627         PR middle-end/21766
5628         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5629         target hook.
5630         (struct cxx): Add adjust_class_at_definition target hook.
5631         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5632         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5633         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5634         hook_void_tree. Add to TARGET_CXX.
5635         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5636         dllimport_flag.
5637         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5638         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5639         instead of attribute. Check for dllexport override.  Warn if
5640         inconsistent dll linkage. Don't lose old dllimport if decl has
5641         had address referenced.   Tweak lookup of dllimport atribute.
5642         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5643         for target specific rules.  Don't add dllimport attribute if
5644         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
5645         dllimport attribute.
5646         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5647         * varasm.c (initializer_constant_valid_p): Replace
5648         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5649
5650         PR target/21801
5651         PR target/23589
5652         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5653         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5654         (i[34567]86-*-mingw32*): Likewise.
5655
5656         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5657         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5658
5659         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5660         C++-specific code. Change return value to bool.
5661         (i386_pe_dllimport_p): Likewise.
5662         (associated_type): Simplify and make language-independent
5663         (i386_pe_encode_section_info): Replace override of ambiguous
5664         dllimport symbol refs with a gcc_assert.
5665         (i386_pe_valid_dllimport_attribute_p): Define.
5666         * config/i386/winnt-cxx.c: New file. Define C++ versions of
5667         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5668         i386_pe_adjust_class_at_definition.
5669         * config/i386/winnt-stubs.c: New file. Define stub versions of
5670         lang-specific functions.
5671         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5672         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5673         i386_pe_adjust_class_at_definition.
5674         (i386_pe_valid_dllimport_attribute_p): Declare.
5675         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5676         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5677         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5678
5679         PR target/19704
5680         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5681         dllimport attribute with test of DECL_DLLIMPORT_P.
5682
5683 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
5684
5685         * combine.c (make_extraction): Correct offset computation.
5686
5687 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
5688
5689         * config/cris/t-linux (LIMITS_H_TEST): Define.
5690
5691 2005-10-12  Richard Henderson  <rth@redhat.com>
5692
5693         PR rtl-opt/23324
5694         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5695
5696 2005-10-12  Richard Guenther  <rguenther@suse.de>
5697
5698         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5699
5700 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
5701
5702         PR c++/19964
5703         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5704         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5705         type.
5706
5707 2005-10-12  Richard Guenther  <rguenther@suse.de>
5708
5709         PR c++/23799
5710         * varasm.c (output_constant): Correct typo from previous
5711         patch by DJ.
5712
5713 2005-10-11  Ian Lance Taylor  <ian@airs.com>
5714
5715         PR rtl-optimization/13931
5716         * combine.c: Revert patch of 2003-05-14, and:
5717         (try_combine): Only set elim_i1 and elim_i2 if the destination is
5718         completely killed in the appropriate insn.
5719         (distribute_notes): Don't skip multiple hard register test for
5720         elim_i1 and elim_i2.
5721
5722 2005-10-11  Richard Henderson  <rth@redhat.com>
5723
5724         PR c/24255
5725         * c-typeck.c (convert_for_assignment): Use build_constructor_single
5726         to initialize a transparent union instead of a nop_expr.
5727
5728 2005-10-11  Richard Henderson  <rth@redhat.com>
5729
5730         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5731         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5732         (tree_ssa_dce_loop): Call scev_reset.
5733
5734         PR tree-opt/24300
5735         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5736         * tree-ssa-dce.c: Include cfgloop.h.
5737         (tree_ssa_dce_loop, pass_dce_loop): New.
5738         * tree-pass.h (pass_dce_loop): Declare it.
5739         * passes.c (init_optimization_passes): Use it.
5740
5741 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
5742
5743         PR middle-end/24263
5744         * convert.c (convert_to_real): Revert 2005-10-05 patch.
5745         Only apply the optimization for rounding builtins if the inner
5746         cast is also an extension.
5747
5748 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
5749
5750         PR tree-opt/23946
5751         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5752         mark_new_vars_to_rename instead of update_stmt.
5753
5754 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5755
5756         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5757
5758 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
5759
5760         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5761         for setting MMX register to 0 rather than mmx.
5762
5763 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
5764
5765         PR target/12098
5766         * configure.ac: Move gas check from mips specific case to common case.
5767         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5768         * configure: Regenerate
5769         * doc/install.texi: Update.
5770
5771 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5772
5773         PR target/24284
5774         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5775
5776 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
5777
5778         * gcc.c (do_spec_1): Accept numeric characters in file name
5779         suffixes.
5780
5781 2005-10-10  Nick Clifton  <nickc@redhat.com>
5782
5783         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
5784         describing the deleted arm_gen_rotated_half_load function.
5785
5786 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5787
5788         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5789         __fpscr_values.
5790
5791 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
5792
5793         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5794         gnu_ld assignments.
5795         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5796         (EXTRA_MULTILIB_PARTS): Define.
5797         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5798         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5799         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5800         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5801         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5802         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5803
5804 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
5805
5806         PR tree-optimization/24226
5807         * tree-cfg.c (remove_bb): Clean up unreachable loops.
5808         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5809         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5810         Export.
5811
5812 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
5813
5814         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5815
5816 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
5817
5818         PR target/24136
5819         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5820         Rewrite for no need for the early clobber.
5821
5822 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5823
5824         Merge from csl-arm-branch:
5825         2005-09-07  Paul Brook  <paul@codesourcery.com>
5826         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5827         space to string.
5828
5829         2005-04-30  Paul Brook  <paul@codesourcery.com>
5830         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5831         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5832
5833         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
5834         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5835         (arm_override_options): Use TARGET_AAPCS_BASED.
5836         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5837         (PTRDIFF_TYPE): Use int for AAPCS.
5838         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5839         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5840         (DEFAULT_SHORT_ENUMS): Delete.
5841         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5842
5843         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
5844         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5845         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5846         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5847
5848         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
5849         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5850
5851         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
5852         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5853
5854         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
5855         * config.gcc (arm*-*-linux-gnueabi): Add it.
5856         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5857         redefining it.
5858         (TARGET_OS_CPP_BUILTINS): Likeiwse.
5859         * config/arm/linux-eabi.h: New file.
5860         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5861         (LINUX_TARET_LINK_SPEC): Likewise.
5862         (LINK_SPEC): Use it.
5863         * config/arm/t-linux-eabi: New file.
5864
5865 2005-10-08  Steven Bosscher  <stevenb@suse.de>
5866
5867         PR other/22202
5868         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5869         spaces.
5870         (PARAM_SMS_DFA_HISTORY): Likewise.
5871
5872 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5873
5874         PR middle-end/23150
5875         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5876         (load_register_parameters): Call it.
5877         (check_sibcall_argument_overlap_1): Likewise.
5878         (store_one_arg): Likewise.
5879
5880 2005-10-07  James E. Wilson  <wilson@specifix.com>
5881
5882         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5883         DImode not VECINT24 for operand 2.
5884
5885         PR target/23644
5886         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5887         -mtune-arch.
5888
5889         PR target/24193
5890         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5891         fr_spill): Use destination_operand for operand 0.
5892
5893 2005-10-07  DJ Delorie  <dj@redhat.com>
5894
5895         * varasm.c (output_constant): Limit error to expanding
5896         conversions.
5897
5898 2005-10-07  Richard Guenther  <rguenther@suse.de>
5899
5900         PR middle-end/24227
5901         * fold-const.c (fold_binary): Fix operand types during folding
5902         of X op (A, Y).  Evaluation order of the side-effects of
5903         X and A are frontend-defined, so ensure we honour that even for
5904         tcc_comparison class operands; eased by removing duplicate code.
5905
5906 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5907
5908         * stor-layout.c (layout_type): Do not allow alignment of array
5909         elements to be greater than their size.
5910
5911 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5912
5913         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5914         host_xmake_file.
5915         (hppa*-*-linux*): Ditto.
5916         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5917         * config/host-hpux.c: New.
5918         * config/x-hpux: New.
5919         * config/pa/x-hpux: Remove.
5920         * config/pa/x-linux: Remove.
5921         * config/pa/pa-host.c: Remove.
5922
5923 2005-10-07  Jeff Law  <law@redhat.com>
5924
5925         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5926         determine whether or not to try and thread outgoing edges.
5927
5928 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5929
5930         * config/rs6000/rs6000.md (eqsi_power): New.
5931         (neg_eq0si): Add TARGET_POWER to final condition.
5932         (neg_eqsi): Same.
5933
5934 2005-10-06  Richard Henderson  <rth@redhat.com>
5935
5936         * config/rs6000/rs6000.c: Revert last change.
5937
5938 2005-10-06  Richard Henderson  <rth@redhat.com>
5939
5940         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5941         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5942
5943 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5944
5945         PR middle-end/22216
5946         PR middle-end/23651
5947         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5948         out return_label and naked_return_label.
5949
5950 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5951
5952         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5953         change.
5954
5955 2005-10-06  Richard Henderson  <rth@redhat.com>
5956
5957         PR tree-opt/22237
5958         * tree-inline.c (declare_return_variable): Handle modify_dest not
5959         being a DECL.
5960
5961 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5962
5963         Fix PR tree-optimization/22488
5964         * tree-ssa-structalias.c (check_for_overlaps): New function.
5965         (create_variable_info_for): Use it.
5966
5967 2005-10-06  Richard Henderson  <rth@redhat.com>
5968
5969         PR debug/24070
5970         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5971         (dwarf2out_start_source_file): Print it.
5972
5973 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5974
5975         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5976
5977 2005-10-06  Richard Henderson  <rth@redhat.com>
5978
5979         PR 23706
5980         * mode-switching.c (optimize_mode_switching): Clear transp bit
5981         for block with incomming abnormal edges.
5982
5983         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5984         (fpscr_set_from_mem): Use them.
5985         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5986         (fpscr postinc splitters): Rewrite as peephole2+split.
5987
5988 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5989
5990         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5991         (eq<mode>_compare): Same.
5992
5993 2005-10-06  Richard Guenther  <rguenther@suse.de>
5994
5995         PR tree-optimization/24238
5996         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5997
5998 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5999
6000         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
6001         here.  Use AC_PATH_PROG for environment variables instead of
6002         test -x.
6003         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
6004         objdump also.
6005         * configure: Regenerated.
6006
6007 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
6008
6009         PR target/23783
6010         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
6011         then force it into a register.
6012         (call_value): Likewise.
6013
6014 2005-10-06  Richard Henderson  <rth@redhat.com>
6015
6016         PR 24049
6017         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
6018         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
6019         under pass_vectorize.
6020
6021 2005-10-05  Devang Patel  <dpatel@apple.com>
6022
6023         PR Debug/23205
6024         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
6025         handling constants. Check NAMESPACE_DECL context for constants.
6026
6027 2005-10-05  Eric Christopher  <echristo@apple.com>
6028
6029         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
6030
6031 2005-10-05  Richard Henderson  <rth@redhat.com>
6032
6033         PR 23714
6034         * tree-cfg.c (mark_array_ref_addressable_1): New.
6035         (mark_array_ref_addressable): New.
6036         * tree-flow.h (mark_array_ref_addressable): Declare.
6037         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
6038
6039 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
6040
6041         PR middle-end/20606
6042         PR middle-end/24069
6043         * reload.c (subst_reloads): When adding a REG_LABEL to a
6044         jump instruction, also update JUMP_LABEL.
6045
6046 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
6047
6048         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
6049         * bb-reorder.c (copy_bb_p): Use it.
6050         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
6051
6052 2005-10-05  Richard Henderson  <rth@redhat.com>
6053
6054         PR target/23602
6055         * toplev.c (process_options): Warn about unsupported combinations
6056         of unwind tables and omit-frame-pointer.
6057         * config/i386/i386.c (override_options): Similarly.  Enable
6058         accumulate-outgoing-args if not explicitly disabled.
6059
6060 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
6061
6062         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
6063         Handle big endian vs. small endian.
6064         (vec_initv2sf): Handle big endian vs. small endian.
6065         (*vec_extractv2sf_1): Ditto.
6066
6067 2005-10-05  Dale Johannesen  <dalej@apple.com>
6068
6069         * convert.c (convert_to_real):  Don't convert
6070         (float)floor(double d) to floorf((float)d).
6071
6072 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
6073
6074         * config/arm/arm.md (insv): Use gen_int_mode in more places.
6075
6076 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
6077
6078         PR tree-optimization/18587
6079         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
6080         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
6081         build_vuses): Change to VEC type.
6082         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
6083         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
6084         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
6085         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
6086         (get_name_decl): New.  Return DECL_UID of base variable.
6087         (operand_build_cmp): New.  qsort comparison routine.
6088         (operand_build_sort_virtual): New.  Sort virtual build vector.
6089         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
6090         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
6091         (FINALIZE_BASE): Use get_name_decl.
6092         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
6093         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
6094         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
6095         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
6096         direct VEC_* manipulations.
6097         (build_ssa_operands): Call operand_build_sort_virtual.
6098         (copy_virtual_operand, create_ssa_artficial_load_stmt,
6099         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
6100         with direct VEC_* manipulations.
6101         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
6102         with direct VEC manipulations.
6103
6104 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
6105
6106         PR tree-optimization/21419
6107         PR tree-optimization/24146
6108         PR tree-optimization/24151
6109
6110         * c-typeck.c (readonly_error): Handle USE being lv_asm.
6111         (build_asm_expr): Call it if outputs are read-only.
6112         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
6113
6114 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
6115             Paolo Bonzini  <bonzini@gnu.org>
6116
6117         PR target/23809
6118
6119         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
6120         enable the instructions and not just the built-ins.
6121         * doc/invoke.texi (x86 Options): Likewise.
6122
6123 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
6124
6125         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
6126
6127         * doc/invoke.texi (Option Summary): Correct spelling
6128         of -mmacosx-version-min.
6129
6130 2005-10-04  Devang Patel  <dpatel@apple.com>
6131
6132         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
6133         real types.
6134
6135 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
6136
6137         * tree-vect-transform.c (vect_create_epilog_for_reduction):
6138         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
6139
6140 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
6141
6142         * config/s390/s390.md ("TDSI","DP"): New mode macros.
6143         ("TE","tg"): New mode attributes.
6144         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
6145         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
6146         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
6147         dword_mode and one for GPRmode.
6148
6149 2005-10-04  Ian Lance Taylor  <ian@airs.com>
6150
6151         PR preprocessor/13726
6152         * c-ppoutput.c (cb_include): Add comments parameter, and print out
6153         any comments passed in.
6154
6155 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6156
6157         * tree.c (annotate_with_file_line): Fix typo.
6158
6159 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6160
6161         PR ada/19382
6162         * builtins.c (fold_builtin_memcmp): When constructing the pointer
6163         type used to access data in the inlined length == 1 case, use
6164         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
6165         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
6166
6167 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
6168
6169         * config/i386/i386.h (TARGET_FISTTP): Enable also for
6170         TARGET_SSE3 and only for TARGET_80387.
6171         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
6172         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
6173         Do not depend on TARGET_80387.
6174
6175 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6176
6177         * tree.c (last_annotated_node): Change type to location_t*.
6178         (annotate_with_file_line): Reflect the change of
6179         last_annotated_node type.
6180
6181 2005-10-04  Richard Guenther  <rguenther@suse.de>
6182
6183         PR c/23576
6184         * c-decl.c (grokdeclarator): Don't write to fields
6185         of error_mark_node.
6186
6187 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6188
6189         PR middle-end/23125
6190         * c-decl.c (finish_decl): Use set_user_assembler_name even for
6191         register variables.
6192         * varasm.c (make_decl_rtl): If a register variable does not
6193         have a set user assmbler name, error out.
6194         Decode the asmspec is now name+1 bypassing '*'.
6195
6196 2005-10-04  Steven Bosscher  <stevenb@suse.de>
6197
6198         PR tree-optimization/23049
6199         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
6200         of a COND_EXPR is folded before calling fold on the whole rhs of a
6201         conditional assignment.
6202         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
6203         document that a COND_EXPR may appear there.
6204
6205 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
6206
6207         PR 23445
6208         * tree-vrp.c (extract_range_from_assert): If the new numeric
6209         range created out of the assertion contradicts the existing
6210         numeric range of the ASSERT_EXPR variable, make the new range
6211         varying.
6212
6213 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6214
6215         * config/sh/sh.c (sh_register_move_cost): Add case for moving
6216         from T_REGS to FP register class.
6217
6218 2005-10-03  Richard Henderson  <rth@redhat.com>
6219
6220         PR 24135
6221         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
6222         before creating a new one.
6223
6224 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
6225
6226         * config/rs6000/t-aix43 (LDFLAGS): New.
6227         * config/rs6000/t-aix52 (LDFLAGS): New.
6228
6229 2005-10-03  Ian Lance Taylor  <ian@airs.com>
6230
6231         * gimplify.c (find_single_pointer_decl_1): New static function.
6232         (find_single_pointer_decl): New static function.
6233         (internal_get_tmp_var): For a formal variable, set restrict base
6234         information if appropriate.
6235         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
6236         return it.
6237         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
6238         (DECL_GET_RESTRICT_BASE): Define.
6239         (SET_DECL_RESTRICT_BASE): Define.
6240         (decl_restrict_base_lookup): Declare.
6241         (decl_restrict_base_insert): Declare.
6242         (struct tree_decl_with_vis): Add based_on_restrict_p field.
6243         * tree.c (restrict_base_for_decl): New static variable.
6244         (init_ttree): Initialize restrict_base_for_decl.
6245         (copy_node_stat): Copy restrict base information.
6246         (decl_restrict_base_lookup): New function.
6247         (decl_restrict_base_insert): New function.
6248         (print_restrict_base_statistics): New static function.
6249         (dump_tree_statistics): Call print_restrict_base_statistics.
6250
6251 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
6252
6253         PR 24142
6254         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
6255         case of anti-ranges.
6256
6257 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
6258
6259         PR c/18851
6260         * c-typeck.c (tagged_tu_seen): Rename to ...
6261         (tagged_tu_seen_cache): this and add val field.
6262         (comptypes): Move functional to comptypes_internal
6263         and free tagged_tu_seen.
6264         (comptypes_internal): New function and call comptypes_internal
6265         instead of comptypes. Speed up by sibcalling
6266         tagged_types_tu_compatible_p.
6267         (alloc_tagged_tu_seen): New function
6268         (free_all_tagged_tu_seen_up_to): New function.
6269         (tagged_types_tu_compatible_p): Return the val of the seen two
6270         types.
6271         Add that the two types are the same to tagged_tu_seen_base
6272         if they are and call comptypes_internal instead of comptypes.
6273         <case UNION_TYPE>: Speed up common type where the fields are
6274         in the same order.
6275         (function_types_compatible_p): Call comptypes_internal instead of
6276         comptypes.
6277         (type_lists_compatible_p): Likewise.
6278         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
6279
6280 2005-10-02  Matthias Klose  <doko@debian.org>
6281
6282         * doc/invoke.texi: Fix typo and speling error.
6283
6284 2005-10-01  Richard Henderson  <rth@redhat.com>
6285
6286         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
6287
6288 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
6289
6290         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
6291         using --start-group and --end-group.
6292
6293 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
6294
6295         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
6296         FIXME note regarding quirky semantics.
6297
6298 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
6299
6300         PR 24141
6301         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
6302         non-null range as a last resort.
6303
6304 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
6305             Diego Novillo  <dnovillo@redhat.com>
6306
6307         PR 23604
6308         * tree-vrp.c (extract_range_from_assert): For !=
6309         assertions, only build an anti-range if LIMIT is a
6310         single-valued range.
6311
6312 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
6313
6314         * arm.md (movqi): On thumb when optimizing, handle loading from
6315         memory by describing this as taking a subreg of a zero-extended load
6316         into an SImode register.
6317         (movhi): Likewise.
6318
6319 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
6320
6321         * reload1.c (merge_assigned_reloads): Do not change any
6322         RELOAD_FOR_OUTPUT_ADDRESS reloads.
6323
6324 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
6325
6326         * Makefile.in (LIPO_FOR_TARGET): Define.
6327         (STRIP_FOR_TARGET): Define.
6328
6329         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
6330         before creating new ones.  Do symlinks before creating the actual
6331         targets.
6332
6333         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
6334         to work out which multilibs are actually being built.
6335
6336 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
6337
6338         * tree-vect-transform.c, config/ms1/ms1.md,
6339         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
6340         Follow spelling conventions.
6341         * doc/invoke.texi, doc/md.texi: Fix typos.
6342
6343 2005-09-30  Andrew Macleod  <amacleod@redat.com>
6344
6345         PR tree-optimization/21430
6346         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
6347         use operands, and set stmt pointer if need be.
6348         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
6349         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
6350         present.
6351
6352 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6353
6354         PR middle-end/24053
6355         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
6356
6357 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
6358
6359         * optabs.c (expand_binop): Initialize first_pass_p.
6360
6361 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
6362
6363         PR middle-end/24109
6364         * c-decl.c (c_write_global_declarations_1): If any
6365         wrapup_global_declaration_2 call returned true, restart the loop.
6366
6367 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
6368
6369         Fix PR tree-optimization/24117
6370         * tree-ssa-structalias.c (find_func_aliases): Strip nops
6371         before considering whether to use anyoffset.
6372
6373 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6374
6375         Revert this patch:
6376
6377         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6378
6379         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6380         to order operands.
6381         (swap_commutative_operands_with_target): New.
6382
6383 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6384
6385         PR c/21419
6386         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
6387         read-only.
6388
6389 2005-09-29  Steven Bosscher  <stevenb@suse.de>
6390
6391         PR tree-optimization/23911
6392         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
6393         and IMAGPART_EXPR too.
6394
6395 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
6396
6397         PR 17886
6398         * expmed.c (expand_shift): Move logic to reverse rotation
6399         direction when  rotating by constants ...
6400         * optabs.c (expand_binop): ... here.
6401         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6402         (ix86_rotrdi3): New pattern.
6403         (rotldi3): Handle 32-bit mode.
6404         (ix86_rotldi3): New pattern.
6405
6406 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
6407
6408         PR target/24102
6409         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6410         check for numbers that need no bit twiddle.
6411
6412 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
6413
6414         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6415         multilib to be built.
6416
6417         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6418         (stage1-start): Delete old libgcc and libunwind before moving
6419         anything into the stage directory.
6420         (stage2-start): Likewise.
6421         (stage3-start): Likewise.
6422         (stage4-start): Likewise.
6423         (stageprofile-start): Likewise.
6424         (stagefeedback-start): Likewise.
6425         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6426         header in tm_file and CPU-specific t-darwin in tmake_file.
6427         (i[34567]86-*-darwin*): Don't change tm_file.
6428         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6429         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6430         shared library stub for target OS version.
6431         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6432         (SHLIB_LINK): Don't make SHLIB_SOLINK.
6433         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6434         (libgcc_s.%.dylib): New.
6435         (LIBGCC): Define.
6436         (install-darwin-libgcc-stubs): New.
6437         (INSTALL_LIBGCC): New append.
6438         * config/i386/darwin-libgcc.10.4.ver: New.
6439         * config/i386/darwin-libgcc.10.5.ver: New.
6440         * config/i386/t-darwin: New.
6441         * config/rs6000/darwin-libgcc.10.4.ver: New.
6442         * config/rs6000/darwin-libgcc.10.5.ver: New.
6443         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6444         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6445
6446 2005-09-28  Paul Brook  <paul@codesourcery.com>
6447
6448         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6449         denormals.
6450
6451 2005-09-28  Richard Guenther  <rguenther@suse.de>
6452
6453         PR tree-optimization/23853
6454         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6455         host_integerp to verify misalignment value.
6456
6457 2005-09-28  Richard Henderson  <rth@redhat.com>
6458
6459         * builtins.c (get_builtin_sync_mode): New.
6460         (expand_builtin_sync_operation): Pass in mode argument.
6461         (expand_builtin_compare_and_swap): Likewise.
6462         (expand_builtin_lock_test_and_set): Likewise.
6463         (expand_builtin_lock_release): Likewise.
6464         (expand_builtin): Update to match.
6465
6466 2005-09-28  Nick Clifton  <nickc@redhat.com>
6467
6468         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6469         formatting.  Add check to PLUS case to ensure that the offset is
6470         within an acceptable range.
6471
6472         * config/v850/v850.md (casesi): Disable the generation of the
6473         switch pattern as it is not being handled properly at the moment.
6474
6475         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6476         for when the high words are identical.
6477
6478 2005-09-27  Richard Henderson  <rth@redhat.com>
6479
6480         * pretty-print.c (pp_base_format): Fix typo for %>.
6481
6482 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
6483             Devang Patel  <dpatel@apple.com>
6484
6485         PR tree-optimization/23625
6486         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6487         LABEL_EXPR, assertion check.
6488
6489 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
6490
6491         * optabs.c (no_conflict_move_test): Check if a result of a
6492         to-be-moved insn would be clobbered by an originally
6493         preceding insn.
6494
6495 2005-09-27  Jeff Law  <law@redhat.com>
6496
6497         * passes.c (init_optimization_passes): Replace copy propagation
6498         passes immediately after DOM with phi-only copy propagation
6499         pases.  Add phi-only copy propagation pass after first DOM pass.
6500         * tree-pass.h (pass_phi_only_copy_prop): Declare.
6501         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6502         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6503         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
6504         to init_copy_prop.  Callers updated.
6505         (do_phi_only_copy_prop): New function.
6506         (pass_phi_only_copy_prop): New pass descriptor.
6507
6508 2005-09-27  Nick Clifton  <nickc@redhat.com>
6509
6510         * libgcc2.c (__popcount_tab): Remove redundant prototype.
6511
6512 2005-09-26  Jason Merrill  <jason@redhat.com>
6513
6514         PR c++/13764
6515         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6516
6517         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6518
6519 2005-09-26  James E Wilson  <wilson@specifix.com>
6520
6521         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6522         copyright.  Add gcc copyright plus libgcc exception.
6523         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
6524         copyright.
6525         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6526
6527 2005-09-26  Jeff Law  <law@redhat.com>
6528
6529         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6530         about when to iterate.
6531
6532 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
6533
6534         PR target/23847
6535         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6536         for __complex__ double in -mcpu=G5 mode.
6537
6538 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
6539
6540         PR tree-optimization/23942
6541         * Makefile.in (SCEV_H): Depends on PARAMS_H.
6542         * tree-scalar-evolution.c: Include params.h.
6543         (t_bool): New enum.
6544         (follow_ssa_edge, follow_ssa_edge_in_rhs,
6545         follow_ssa_edge_in_condition_phi_branch,
6546         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6547         Change return type to t_bool.  Use a parameter to limit the size of
6548         trees that are walked before stopping
6549         (analyze_evolution_in_loop): Initialize the limit to 0.
6550         (follow_ssa_edge): Give up by returning t_dont_know if the limit
6551         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6552
6553 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6554
6555         PR middle-end/23831
6556         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6557         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6558
6559 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
6560
6561         * combine.c (make_extraction): Check for valid use of subreg.
6562
6563 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6564
6565         PR target/24055
6566         * config/i386/i386.md ("*fistdi2_1"): New pattern.
6567         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6568         ("fist<mode>2_with_temp"): Use only register operands.
6569
6570 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
6571
6572         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6573         CALL_INSN_FUNCTION_USAGE.
6574
6575 2005-09-26  Richard Guenther  <rguenther@suse.de>
6576
6577         PR middle-end/15855
6578         * gcse.c: Include hashtab.h, define ldst entry hashtable.
6579         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6580         (ldst_entry): Use the hashtable instead of list-walking.
6581         (find_rtx_in_ldst): Likewise.
6582         (free_ldst_entry): Free the hashtable.
6583         (compute_ld_motion_mems): Create the hashtable.
6584         (trim_ld_motion_mems): Remove entry from hashtable if
6585         removing it from list.
6586         (compute_store_table): Likewise^2.
6587         (store_motion): Free hashtable in case we did not see
6588         any stores.
6589
6590 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
6591
6592         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6593         and arg1 if we are passing them to fold_build2.
6594
6595 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
6596
6597         PR 23828
6598         * config/i386/i386.c (ix86_function_regparm): Fix the test for
6599         a nested function.
6600
6601 2005-09-25  Richard Henderson  <rth@redhat.com>
6602
6603         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6604         SYMBOL_REF_TLS_MODEL to be correct.
6605
6606 2005-09-24  Richard Henderson  <rth@redhat.com>
6607
6608         * ipa-type-escape.c (discover_unique_type): Remove dead code at
6609         end of function.  Reindent.
6610
6611 2005-09-24  Ian Lance Taylor  <ian@airs.com>
6612
6613         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6614         NEGATE_EXPR/BIT_NOT_EXPR case.
6615
6616 2005-09-24  Richard Henderson  <rth@redhat.com>
6617
6618         * c-common.c (handle_mode_attribute): When not modifying in place,
6619         create subtypes for enumerations.
6620         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6621         * gimplify.c (create_tmp_from_val): Likewise.
6622
6623 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
6624
6625         * config/i386/i386.md (*tls_global_dynamic_64,
6626         *tls_local_dynamic_base_64): Add missing mode to call.
6627         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6628
6629 2005-09-24  Jan Hubicka  <jh@suse.cz>
6630
6631         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6632         (cgraph_clone_node): Likewise.
6633         * cgraph.h (cgraph_clone_edge): Update prototype.
6634         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6635         duplicated prototypes; add updating argument.
6636         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6637         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6638         updating profile.
6639         (cgraph_mark_inline_edge): Likewise.
6640         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6641         (cgraph_flatten_node): Likewise.
6642         (cgraph_decide_recursive_inlining): Likewise.
6643         (cgraph_decide_inlining_of_small_function): Likewise.
6644         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6645
6646 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6647             Pete Steinmetz <steinmtz@us.ibm.com>
6648
6649         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6650         (rldic.): Set type to "compare".
6651         (rldicr.): Same.
6652         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
6653         mfjmpr for MFCTR/MFLR.
6654         (movdf_hardfloat64): Same.
6655         (movdf_softfloat64): Same.  Correct order of store and move types.
6656         (movti_string): Set type to store_ux/load_ux.
6657         (load_multiple): Set type to load_ux.
6658         (store_multiple): Set type to store_ux.
6659         (movmemsi): Set type to store_ux.
6660         (output_cbranch direct_return): Set type to jmpreg.
6661         (stmw): Set type to store_ux.
6662         (lmw): Set type to load_ux.
6663         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6664         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6665         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6666         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6667         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6668         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6669         (rios1-fpstore): Increase latency to 3.
6670         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6671         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6672
6673 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6674             Andrew Pinski  <pinskia@physics.uc.edu>
6675
6676         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6677         operand2 constraint to "b".
6678         (sync_<fetchop_name>di_internal): Same.
6679         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6680         to "b".
6681         (sync_old_<fetchop_name>di_internal): Same.
6682         (sync_new_<fetchop_name>si_internal): Same.
6683         (sync_new_<fetchop_name>di_internal): Same.
6684
6685 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
6686
6687         PR middle-end/23991
6688         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6689         case, define as macros.
6690
6691         PR rtl-optimization/23837
6692         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
6693         clobber / clobber match between dest and p->first.
6694
6695         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6696         (no_conflict_move_test): Update comments.
6697
6698 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
6699
6700         * doc/install.texi: Update URL for Jacks.
6701         * doc/sourcebuild.texi: Likewise.
6702
6703 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
6704
6705         PR target/24007
6706         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6707         registers when choosing register preferences.
6708         (movdf_hardfloat64): Same.
6709
6710 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
6711
6712         * expmed.c (expand_shift): Don't use the target of the rotate as
6713         target for the first expanded shift insn.
6714         * testsuite/gcc.dg/20050922-1.c: Testcase added.
6715
6716 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
6717
6718         PR tree-optimization/22438
6719         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6720         preserved iv rhs rewriting specially.
6721
6722 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
6723
6724         * tree-data-ref.c (analyze_array_indexes): Only estimate when
6725         estimate_only  is true.
6726         * tree-flow.h (ref_contains_indirect_ref): New prototype.
6727         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6728         tree-ssa-structalias.c
6729         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6730         ref_contains_indirect_ref.
6731         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6732
6733 2005-09-21  DJ Delorie  <dj@redhat.com>
6734
6735         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6736         MASK_PTR_A0D0.
6737         (mn10300_return_in_memory): Support variable size types also.
6738         (mn10300_pass_by_reference): Likewise.
6739         (mn10300_function_value): New.
6740         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6741         (FUNCTION_OUTGOING_VALUE): Likewise.
6742         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6743         * doc/invoke.texi: Document it.
6744
6745 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
6746
6747         PR target/22585
6748         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6749         force integer op1 into register for XFmode compares.
6750
6751 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
6752
6753         PR middle-end/23971
6754         * expmed.c (alg_code): Add alg_impossible.
6755         (alg_hash_entry): Add cost.
6756         (synth_mult): Record alg_impossible in the hash table if
6757         multiplication by a given integer is impossble within the
6758         limit.  Speed up using alg_impossible.
6759
6760 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6761
6762         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6763         argument.  Allow and set any offset if needs_anyoffset is passed
6764         in.
6765         (get_constraint_for): Add argument here too.
6766         Pass it down.
6767         (do_structure_copy): Pass NULL to get_constraint_for.
6768         (handle_ptr_arith): Ditto.
6769         (find_func_aliases): Ditto.
6770
6771 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
6772
6773         PR rtl-optimization/23898
6774         * output.h (get_attr_min_length): Declare.
6775         * final.c (get_attr_length_1): New function, broken out of:
6776         (get_attr_length).
6777         (get_attr_min_length): New function.
6778         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6779         (duplicate_computed_gotos): Likewise.
6780         * genattr.c (insn_min_length): Generate declaration.
6781         * genattrtab.c (min_fn, min_attr_value): New functions.
6782         (make_length_attrs): Generate insn_min_length.
6783
6784 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
6785
6786         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6787
6788 2005-09-20  Richard Henderson  <rth@redhat.com>
6789
6790         PR tree-optimization/24059
6791         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6792         EXPAND_STACK_PARM.
6793
6794 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
6795
6796         * c.opt (fextended-identifiers): New.
6797         * c-opts.c (c_common_handle_option): Handle
6798         -fextended-identifiers.
6799         * doc/cpp.texi: Update documentation of extended identifiers.
6800         * doc/cppopts.texi (-fextended-identifiers): Document.
6801
6802 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
6803
6804         PR tree-optimization/23929
6805         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6806         if expr is NULL.
6807
6808         PR tree-optimization/23818
6809         * tree-stdarg.c (execute_optimize_stdarg): Call
6810         calculate_dominance_info.
6811
6812 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6813
6814         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6815         (analyze_siv_subscript_cst_affine): Add weak SIV test.
6816         (compute_overlap_steps_for_affine_1_2): Use
6817         get_number_of_iters_for_loop.
6818         (analyze_subscript_affine_affine): Check whether difference is
6819         zero first.
6820         Use get_number_of_iters_for_loop.
6821         Check whether overlap occurs outside of bounds.
6822         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6823
6824 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
6825
6826         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6827         base register if possible.
6828
6829 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
6830
6831         PR tree-optimization/18463
6832         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6833         converting it directly is not possible.
6834         (chrec_convert_aggressive): New function.
6835         * tree-chrec.h (chrec_convert_aggressive): Declare.
6836         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6837         Fold chrec conversions aggressively if asked to.
6838         (instantiate_parameters): Modified because of changes in
6839         instantiate_parameters_1.
6840
6841 2005-09-19  Richard Henderson  <rth@redhat.com>
6842
6843         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6844         (reduc_splus_v2df): New.
6845
6846 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
6847
6848         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6849         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
6850
6851 2005-09-19  Richard Henderson  <rth@redhat.com>
6852
6853         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6854         vcondu<SSEMODE12>.
6855
6856 2005-09-19  Richard Henderson  <rth@redhat.com>
6857
6858         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6859         (ia64_expand_dot_prod_v8qi): New.
6860         * config/ia64/ia64-protos.h: Update.
6861         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6862         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6863         sdot_prodv8qi, sdot_prodv4hi): New.
6864         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6865
6866 2005-09-19  Richard Henderson  <rth@redhat.com>
6867
6868         PR 23941
6869         * real.c (exact_real_truncate): Return false if the format cannot
6870         represent the number as a normal.
6871
6872         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6873         for a memory source.
6874
6875 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
6876
6877         * tree-ssa-operands.c (swap_tree_operands): Export.
6878         * tree.h (swap_tree_operands): Declare.
6879         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6880         Call swap_tree_operands.
6881
6882 2005-09-19  Richard Henderson  <rth@redhat.com>
6883
6884         * tree-flow.h (merge_alias_info): Declare.
6885         * tree-ssa-copy.c (merge_alias_info): Export.
6886         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6887         (vect_create_data_ref_ptr): Use create_iv directly.
6888         (vectorizable_load): Use correct types for integer constants.
6889         (vect_generate_tmps_on_preheader): Likewise.
6890         (vect_gen_niters_for_prolog_loop): Likewise.
6891
6892 2005-09-19  Steven Bosscher  <stevenb@suse.de>
6893
6894         PR rtl-optimization/23943
6895         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6896
6897 2005-09-18  Jan Hubicka  <jh@suse.cz>
6898
6899         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6900
6901 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
6902
6903         * varasm.c (output_constant): Do not abort on conversions to union
6904         types between different sizes.
6905
6906 2005-09-18  Richard Guenther  <rguenther@suse.de>
6907
6908         PR middle-end/23944
6909         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6910         fallback.
6911
6912 2005-09-18  Paul Brook  <paul@codesourcery.com>
6913
6914         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6915
6916 2005-09-17  Richard Henderson  <rth@redhat.com>
6917
6918         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6919         * tree-ssa-loop.c (pass_vect_dce): Remove.
6920         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6921         of pass_vectorize.
6922
6923 2005-09-17  Richard Henderson  <rth@redhat.com>
6924
6925         * tree-pass.h (pass_vect_dce): Declare.
6926         * passes.c (init_optimization_passes): Add it.
6927         * tree-flow.h (tree_ssa_dce): Declare.
6928         * tree-ssa-dce.c (tree_ssa_dce): Export.
6929         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6930         (gate_tree_vectorize): ... here.
6931         (pass_vect_dce): New.
6932
6933 2005-09-17  Jan Hubicka  <jh@suse.cz>
6934
6935         * except.c (struct eh_status): Turn region_array into vec.
6936         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6937         convert_from_eh_region_ranges, find_exception_handler_labels,
6938         current_function_has_exception_handlers, assign_filter_values,
6939         build_post_landing_pads, dw2_build_landing_pads,
6940         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6941         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6942         foreach_reachable_handler, can_throw_internal_1,
6943         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6944         region_array.
6945         (duplicate_eh_region_1): Update region_array.
6946         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6947
6948 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6949
6950         PR middle-end/22067
6951         * expmed.c (expand_mult): Substitute simple register for op0 when
6952         computing max_cost.
6953
6954 2005-09-17  Richard Henderson  <rth@redhat.com>
6955
6956         * expr.c (emit_move_via_integer): Add force argument, pass it on
6957         to emit_move_change_mode.  Update callers.
6958         (emit_move_complex): Pass true to new force argument.
6959         * function.c (expand_function_end): Move expand_eh_return call
6960         earlier.  Merge sub-word complex values into a pseudo before
6961         copying to the return hard register.
6962
6963 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6964
6965         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6966         between different sizes.
6967
6968 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6969
6970         PR 23903
6971
6972         * passes.c (init_optimization_passes): Register dump files for
6973         IPA passes first.
6974
6975 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6976
6977         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6978         * config/s390/s390.c (s390_overlap_p): New function.
6979         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6980         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6981         condition.
6982
6983 2005-09-16  Richard Guenther  <rguenther@suse.de>
6984
6985         * ipa-pure-const.c (static_execute): Free auxiliar information.
6986         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6987         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6988
6989 2005-09-15  DJ Delorie  <dj@redhat.com>
6990
6991         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6992
6993 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6994
6995         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6996         to order operands.
6997         (swap_commutative_operands_with_target): New.
6998
6999 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
7000
7001         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
7002         parameter.
7003         Update callers.
7004         (estimate_iters_using_array): New function.
7005         * tree-data-ref.h (estimate_iters_using_array): Prototype
7006         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
7007         Use estimate_iters_using_array instead of analyze_array.
7008
7009 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
7010
7011         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
7012         as addressable.
7013
7014 2005-09-15  Michael Matz  <matz@suse.de>
7015
7016         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
7017
7018 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
7019
7020         PR tree-optimization/23835
7021         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
7022         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
7023
7024 2005-09-14  Richard Henderson  <rth@redhat.com>
7025
7026         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
7027         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
7028
7029 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
7030
7031         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
7032         in the ARRAY_TYPE case.
7033
7034 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
7035
7036         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
7037
7038 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
7039
7040         PR middle-end/22480
7041         * tree-vect-transform.c (vectorizable_operation): Return false for
7042         scalar shift operations and for vector shift operations with
7043         non-invariant shift arguments.  Use scalar tree operand op1 as
7044         a shift operand when vector shift insn pattern uses scalar shift
7045         operand.
7046         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
7047
7048 2005-09-14  Olivier Hainque  <hainque@adacore.com>
7049
7050         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
7051         value if it has side-effects.
7052
7053 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
7054
7055         PR target/22068
7056         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
7057
7058 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
7059
7060         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
7061         passed as NAME as if it were label at start of function code.
7062
7063 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
7064
7065         * config/sh/sh.md (*movv4sf_i): Add general register cases to
7066         the constraints.
7067
7068 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
7069
7070         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
7071         as early clobber.  Rewrite so the PIC register is not implicitly used.
7072
7073 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7074
7075         * tree.c (annotate_with_file_line): Compare line numbers before
7076         file names.
7077
7078 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
7079
7080         PR target/23816
7081         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
7082         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
7083
7084 2005-09-13  Ian Lance Taylor  <ian@airs.com>
7085
7086         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
7087         than a HOST_WIDEST_INT to gen_doloop_begin.
7088
7089 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
7090
7091         * tree-dfa.c (dump_variable): Guard against NULL annotations.
7092
7093 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
7094
7095         PR tree-optimize/23817
7096         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
7097
7098 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
7099
7100         PR target/23774
7101         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
7102         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
7103         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
7104         (restore_stack_nonlocal): Likewise.
7105         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
7106
7107 2005-09-12  Ian Lance Taylor  <ian@airs.com>
7108
7109         PR g++/7874
7110         * c.opt (ffriend-injection): New C++ option.
7111         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
7112         (C++ Dialect Options): Document -ffriend-injection.
7113
7114 2005-09-12  Josh Conner  <jconner@apple.com>
7115
7116         PR middle-end/23237
7117         * ipa-reference.c (static_execute): Don't mark variables in
7118         named sections TREE_READONLY.
7119
7120 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
7121
7122         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
7123         stack_tie.
7124
7125 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
7126
7127         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
7128         V_MUST_DEF instead of just the first_use_p.
7129         Don't mark the virtual variables for renaming on the statement which
7130         is being removed.
7131         (pass_dse): Remove TODO_update_ssa.
7132
7133 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
7134
7135         PR middle-end/23290
7136         * stor-layout.c (compute_record_mode): For records with a single
7137         field, actually check the field's mode size against the type size.
7138
7139         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
7140         registers for TARGET_SHMEDIA.
7141         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
7142         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
7143         of GENERAL_REGS and FP_REGS.
7144
7145 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7146
7147         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
7148
7149 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
7150
7151         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
7152         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
7153         are omitted.  Exclude stack_tie insn too.
7154
7155 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
7156
7157         PR rtl-optimization/23098
7158         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
7159         0.0f is easy.
7160         * config/rs6000/rs6000.md (movdf splitter): Use
7161         const_double_operand predicate for TARGET_POWERPC64.
7162         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
7163         SYMBOL_REF method to ABI_V4.
7164
7165         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
7166         replace_equiv_address.
7167         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
7168         rs6000_sr_alias_set and MEM_NOTRAP.
7169         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
7170
7171 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
7172
7173         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
7174         handle CALL_EXPR again.
7175
7176 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7177
7178         * arm/predicates.md (alignable_memory_operand): Delete.
7179
7180 2005-09-10  Richard Henderson  <rth@redhat.com>
7181
7182         PR debug/23806
7183         * dbxout.c (dbxout_expand_expr): New.
7184         (dbxout_symbol): Use it.
7185
7186 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
7187
7188         * arm.c (arm_gen_rotated_half_load): Delete.
7189         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
7190         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
7191         (thumb_set_return_address): Likewise.
7192         (thumb_load_double_from_address): Use adjust_address.
7193         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
7194         (extendhsisi2_mem, movhi_bytes): Use change_address.
7195         (movhi): Use widen_memory_access.
7196         (reload_out_df): Use replace_equiv_address.
7197         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
7198
7199 2005-09-09  Richard Henderson  <rth@redhat.com>
7200
7201         PR debug/20998
7202         * dbxout.c: Include expr.h.
7203         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
7204         (dbxout_symbol): Handle DECL_VALUE_EXPR.
7205         * Makefile.in (dbxout.o): Add EXPR_H.
7206
7207 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
7208
7209         PR tree-optimization/23509
7210         * tree-cfg.c (replace_uses_by): Use replace_exp.
7211         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
7212         pointers have name_mem_tag or type_mem_tag set.
7213
7214 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
7215
7216         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
7217         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
7218         of wrongly accessing operands.
7219
7220 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
7221
7222         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
7223         * tree-chrec.c: Include tree-scalar-evolution.h.
7224         (chrec_convert): Instantiate the base and step before calling
7225         scev_probably_wraps_p that would fail on parametric evolutions.
7226         Collect all the fails into a single section failed_to_convert,
7227         print a diagnostic, and return chrec_dont_know instead of calling
7228         fold_convert.
7229         * tree-scalar-evolution.c (loop_closed_phi_def): New.
7230         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
7231         phi nodes.
7232         (scev_const_prop): Don't replace the definition of a loop closed ssa
7233         phi node by itself, or by another loop closed ssa phi node.
7234         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
7235         that base and step are defined.
7236
7237 2005-09-09  Richard Guenther  <rguenther@suse.de>
7238
7239         PR c++/23624
7240         * fold-const.c (fold_ternary): Check truth_value_p before
7241         calling invert_truthvalue.
7242
7243 2005-09-09  Nick Clifton  <nickc@redhat.com>
7244
7245         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
7246         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
7247         dimension of these arrays.
7248         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
7249         these arrays.
7250         * longlong.h: Only provide a prototype for the __clz_tab[] array
7251         if this header has not been included from libgcc2.h.
7252         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
7253         defining own types.
7254         Provide prototypes for exported functions.
7255         Use the __clz_tab[] and __popcount_tab[] arrays provided by
7256         libgcc2.c.
7257
7258 2005-09-08  Josh Conner  <jconner@apple.com>
7259
7260         PR c++/21135
7261         PR c++/23180
7262         * expr.c (expand_expr_addr_expr_1): Don't invoke
7263         expand_simple_binop for EXPAND_INITIALIZER.
7264
7265 2005-09-08  Richard Henderson  <rth@redhat.com>
7266
7267         PR debug/23190
7268         * toplev.c (wrapup_global_declaration_1): Split out ...
7269         (wrapup_global_declaration_2): ... from ...
7270         (wrapup_global_declarations): ... here.  Return bool.
7271         (check_global_declaration_1): Split out ...
7272         (check_global_declarations): from here.
7273         (emit_debug_global_declarations): New.
7274         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
7275         check_global_declaration_1, emit_debug_global_declarations): Declare.
7276         * c-decl.c (c_write_global_declarations_1): Don't create a vector
7277         of decls.  Call wrapup_global_declaration_1,
7278         wrapup_global_declaration_2, check_global_declaration_1 directly.
7279         (c_write_global_declarations_2): New.
7280         (ext_block): New.
7281         (c_write_global_declarations): Call c_write_global_declarations_2.
7282         * langhooks.c (write_global_declarations): Call
7283         emit_debug_global_declarations.
7284
7285         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
7286         remove decls that have DECL_RTL_SET_P.
7287         * passes.c (rest_of_decl_compilation): Invoke
7288         cgraph_varpool_finalize_decl for all but functions.
7289
7290 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7291
7292         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
7293         the result of a conversion if the new min and max cannot be compared.
7294
7295 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
7296
7297         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
7298         (override_options): Setting s390_sr_alias_set removed.
7299         (save_fpr, save_gprs): Set alias set to vararg or frame.
7300         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
7301         s390_sr_alias_set with get_frame_alias_set ().
7302         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
7303         get_varargs_alias_set ().
7304
7305 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
7306
7307         PR objc/20574
7308         PR objc/19324
7309         * c-parser.c (c_parser_objc_method_definition): If the next
7310         token is not "{", error out and don't start the function.
7311
7312 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
7313
7314         * tree-vrp.c (extract_range_from_expr): Move the check for non
7315         nullness after the check for gimple invariant.
7316
7317 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7318
7319         * tree.c (host_integerp, tree_low_cst): Correct function comment.
7320
7321 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7322
7323         PR target/23747
7324         * config/m32r.md (movmemsi_internal): Canonicalize order of
7325         operands in PLUS component of template.
7326
7327 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
7328
7329         * reload1.c (fixup_eh_region_note): Remove assertion.
7330         (fixup_abnormal_edges): Reverted removal of call to
7331         find_many_sub_basic_blocks made on 2005-08-31.
7332
7333 2005-09-07  Richard Henderson  <rth@redhat.com>
7334
7335         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
7336         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
7337         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
7338         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
7339         rearrange for better packing.
7340         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
7341         (lookup_cfa_1): Remove inline marker.
7342         (cfa_equal_p): Split out of ...
7343         (def_cfa_1): ... here.  Use INVALID_REGNUM.
7344         (build_cfa_loc): Handle !cfa->indirect.
7345         (frame_pointer_cfa_offset): New.
7346         (dbx_reg_number): Assert register elimination performed; do
7347         leaf register remapping.
7348         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
7349         (eliminate_reg_to_offset): New.
7350         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
7351         for verifiably local stack frame addresses; re-base to CFA.
7352         (mem_loc_descriptor): Remove can_use_fbreg argument.
7353         (concat_loc_descriptor, loc_descriptor): Likewise.
7354         (containing_function_has_frame_base): Remove.
7355         (rtl_for_decl_location): Don't do register elimination or
7356         leaf register remapping here.
7357         (secname_for_decl): Split out from ..
7358         (add_location_or_const_value_attribute): ... here.
7359         (convert_cfa_to_loc_list): New.
7360         (compute_frame_pointer_to_cfa_displacement): New.
7361         (gen_subprogram_die): Use them.
7362         * tree.h (frame_base_decl): Remove.
7363         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
7364         (prologue_stack_adjust): Remove.
7365         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
7366         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
7367         (set_frame_base_location): Remove.
7368         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
7369         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
7370         (vt_add_function_parameters): Don't eliminate_regs.
7371         (vt_initialize): Don't create frame_base_decl.
7372
7373 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7374
7375         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
7376         version of GNU binutils for 4.x and later.
7377
7378 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
7379
7380         * ggc-page.c (ggc_push_context): Remove.
7381         (ggc_pop_context): Likewise.
7382         * ggc.h (ggc_push_context): Remove.
7383         (ggc_pop_context): Likewise.
7384
7385 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7386
7387         PR target/8973
7388         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
7389         returning from an interrupt handler.
7390
7391 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7392
7393         PR target/8972
7394         * config/arc/arc.c (output_shift): Add check for loop count when
7395         optimizing.
7396
7397 2005-09-06  Steven Bosscher  <stevenb@suse.de>
7398
7399         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7400         form manually.
7401         (abs_replacement): Likewise.
7402         (pass_phiopt): Remove TODO_update_ssa.
7403
7404 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
7405
7406         PR c/23075
7407         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7408         if "return with no value, in function returning non-void" warning
7409         has been issued.
7410         * tree-cfg.c (execute_warn_function_return): Don't look at
7411         RETURN_EXPRs with TREE_NO_WARNING set.
7412
7413         PR target/22362
7414         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7415         for internal functions doesn't use registers used by global registers
7416         variables.  Use fewer register parameters if there are global register
7417         variables.
7418
7419 2005-09-06  Olivier Hainque  <hainque@adacore.com>
7420             Eric Botcazou  <ebotcazou@adacore.com>
7421
7422         PR middle-end/14997
7423         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7424         when we would be extracting outside its bit span (bitpos+bitsize
7425         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7426         Ada unchecked conversions.
7427
7428 2005-09-06  Steven Bosscher  <stevenb@suse.de>
7429
7430         * tree-ssa-pre.c (try_look_through_load): New function.
7431         (compute_avail): Use it to try to look through loads for some
7432         more useful expressions.
7433
7434 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7435
7436         * simplify-rtx.c (simplify_binary_operation_1): Correct the
7437         condition for detecting cases like (a&a) and (a^a).
7438
7439 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
7440
7441         * common.opt: Add option ftree-vect-loop-version.
7442         * params.def: Add --param vect-max-version-checks.
7443         * doc/invoke.texi: Document ftree-vect-loop-version and
7444         --param vect-max-version-checks.
7445         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7446         may_misalign_stmts and defines for accessors.
7447         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7448         LOOP_VINFO_MAY_MISALIGN_STMTS.
7449         (destroy_loop_vec_info): VEC_free for
7450         LOOP_VINFO_MAY_MISALIGN_STMTS.
7451         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7452         Update documentation.
7453         (vect_update_misalignment_for_peel): New.
7454         (vect_enhance_data_refs_alignment): Update to choose loop
7455         peeling or loop versioning if appropriate for the (potentially)
7456         unaligned data references in the loop.
7457         (vect_analyze_data_refs_alignment): Remove call to
7458         vect_enhance_data_refs_alignment so the checks can be done
7459         earlier.
7460         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7461         and move up call to vect_analyze_data_refs_alignment.
7462         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7463         (vect_transform_loop): Add call to loop_version.
7464
7465 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
7466
7467         PR rtl-optimization/23098
7468         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7469         * simplify-rtx.c (constant_pool_reference_p): New function.
7470         * rtl.h (constant_pool_reference_p): New prototype.
7471         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7472         constant_pool_reference_p in condition and
7473         avoid_constant_pool_reference in preparation statements.
7474
7475 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
7476
7477         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7478         STRICT_LOW_PART SETs.
7479
7480 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
7481
7482         PR middle-end/21460
7483         * except.c (sjlj_emit_function_enter): Find the function begin
7484         note even when it's not in first basic block.
7485
7486 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
7487
7488         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
7489         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7490         * aclocal.m4: Regenerate.
7491
7492 2005-09-05  DJ Delorie  <dj@redhat.com>
7493
7494         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7495         of macro.
7496
7497 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
7498
7499         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7500         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7501         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7502         Follow spelling conventions.
7503         * doc/invoke.texi: Follow spelling conventions.
7504
7505 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7506
7507         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7508         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7509         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7510
7511 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7512
7513         PR target/23683
7514         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7515         (output_stack_adjust): Use gen_tmp_stack_mem.
7516         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7517         (sh_set_return_address, sh_allocate_initial_value): Likewise.
7518         (sh_get_pr_initial_val): Likewise.
7519         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7520         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
7521         * sh.md (divsi_inv_m0): Use gen_const_mem.
7522         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7523         (movdf_i4+1): Use gen_tmp_stack_mem.
7524         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7525         (fpu_switch+2): Likewise.
7526         (movv4sf_i, movv16sf_i): Use adjust_address.
7527         (symGOT_load): Set MEM_NOTRAP_P bit.
7528
7529 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7530
7531         PR target/23721
7532         * pa.c (emit_move_sequence): Fix typo in last change.
7533
7534 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
7535
7536         PR rtl-optimization/23454
7537         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7538         is true.
7539
7540 2005-09-03  Richard Henderson  <rth@redhat.com>
7541             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7542
7543         PR middle-end/23671
7544         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7545         gen_rtx_MEM.
7546
7547 2005-09-02  Nicolas Pitre <nico@cam.org>
7548
7549         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7550         to bit_count to 32 bits.
7551
7552 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
7553
7554         PR c++/23167
7555         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7556         generating synthetic loads from volatile lvalues.
7557
7558 005-09-02  Nick Clifton  <nickc@redhat.com>
7559
7560         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7561         __ctzhi2, __clzhi2): New functions.
7562
7563 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
7564
7565         PR middle-end/23547
7566         * tree-nested.c (struct var_map_elt): Mark with GTY.
7567         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
7568         var_map_elt.
7569         (lookup_field_for_decl): Allocate new element in GC memory.
7570         (lookup_tramp_for_decl): Likewise.
7571         (convert_nl_goto_reference): Likewise
7572         (create_nesting_tree): Allocate info in GC memory. Likewise for
7573         info->var_map.
7574         (free_nesting_tree): Free with ggc_free instead of free.
7575         (root): New static variable.
7576         (lower_nested_functions): Remove root as local variable.  And zero out
7577         root at the end of the function.
7578
7579 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
7580
7581         PR rtl-optimization/20365
7582         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7583         to short.  New member ix.
7584         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7585         (simplify_plus_minus): Initialize ix members before calling qsort.
7586
7587 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
7588
7589         PR tree-optimization/23626
7590         * tree-cfg.c (replace_uses_by): Clean up eh info.
7591
7592 2005-09-01  DJ Delorie  <dj@redhat.com>
7593
7594         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7595         fprintf.
7596
7597 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
7598
7599         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7600         (rs6000_split_multireg_move): Use replace_equiv_address instead of
7601         gen_rtx_MEM.
7602
7603 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
7604
7605         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
7606         do not issue warning for a variable definition following
7607         a declaration.
7608
7609 2005-09-01  Richard Henderson  <rth@redhat.com>
7610
7611         PR 23668
7612         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7613         conversion to CONST_VECTOR.
7614
7615 2005-09-01  Richard Henderson  <rth@redhat.com>
7616
7617         PR 23676
7618         * reload1.c (reload_as_needed): Check !CALL_P before calling
7619         fixup_eh_region_note.
7620         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7621
7622 2005-09-01  DJ Delorie  <dj@redhat.com>
7623
7624         * varasm.c (output_constant): Let the target resolve
7625         conversions of addresses to non-default pointer sizes.
7626
7627 2005-09-01  Nicolas Pitre <nico@cam.org>
7628
7629         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7630         to alow matching ARM pre-indexed addressing mode.
7631         (arm_override_options): Remove now irrelevant comment.
7632
7633 2005-09-01  Phil Edwards  <phil@codesourcery.com>
7634
7635         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
7636         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
7637         * config/i386/vxworks.h:  Likewise.
7638         * config/i386/t-vxworksae:  New file, for VxWorks AE.
7639         * config/i386/vxworksae.h:  Likewise.
7640
7641 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
7642
7643         PR tree-optimization/23410
7644         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7645         sequence is not wrapping during the first step.
7646
7647 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7648
7649         PR debug/7241
7650         * dwarf2out.c (base_type_die): Compare char_type_node with
7651         TYPE_MAIN_VARIANT (type), not type.
7652
7653 2005-09-01  Richard Guenther  <rguenther@suse.de>
7654
7655         PR tree-optimization/15366
7656         * common.opt: Add -finline-functions-called-once.
7657         Put -fearly-inlining in alphabetically ordered place.
7658         * doc/invoke.texi: Document new option.
7659         * ipa-inline.c (cgraph_decide_inlining): Honour
7660         flag_inline_functions_called_once.
7661
7662 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7663
7664         PR rtl-optimization/23478
7665         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7666         (alloc_qty): Initialize it.
7667         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7668         (combine_regs): Combine also n_throwing_calls_crossed fields.
7669         (find_free_reg): Don't attempt to caller-save pseudos crossing
7670         calls that might throw.
7671         * global.c (struct allocno): Add throwing_calls_crossed field.
7672         (global_alloc): Revert 2005-08-22 change.  Initialize
7673         throwing_calls_crossed.
7674         (find_reg): Don't attempt to caller-save pseudos crossing calls that
7675         might throw.
7676
7677 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
7678
7679         PR target/23649
7680         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7681         (mask64_operand): Reinstate code prior to 2005-06-11 change.
7682         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7683         (and64_2_operand): Tweak to use predicate.
7684         (and_operand): Adjust for mask_operand changes.
7685         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7686         (print_operand): Likewise.
7687         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7688         (mask64_1or2_operand): Delete.
7689         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7690         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7691         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7692         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7693         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7694         (rotldi3_internal4): Likewise.
7695         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7696         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7697         (ashldi3_internal7): Likewise.
7698         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7699         (ashldi3_internal, ashldi3_internal9 split): Likewise.
7700         (anddi3 split): Don't match mask64_operand.
7701         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
7702         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
7703         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
7704         't' splitter predicate.
7705         (movdi_internal64 + 2): Revert 2005-06-11 change.
7706
7707 2005-08-31  DJ Delorie  <dj@redhat.com>
7708
7709         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7710         (m32c_asm_integer): Add support for 32 bit pointers.
7711
7712 2005-08-31  Richard Henderson  <rth@redhat.com>
7713
7714         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7715         component-like references for setting MEM_NOTRAP_P.
7716
7717         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7718         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7719
7720 2005-08-31  Richard Henderson  <rth@redhat.com>
7721
7722         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7723         into a pseudo before applying gen_lowpart.
7724
7725 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
7726
7727         * doc/install.texi (Specific): Update cctools version required
7728         for full functionality.
7729         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7730         linkers as -macosx_version_min.
7731
7732 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
7733
7734         PR target/21255
7735         * sh.c (print_operand, %R and %S): Add handling of floating point
7736         registers, memory, constants and invalid operands.
7737
7738 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
7739
7740         * ipa-pure-const.c: Change dump name.
7741
7742 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7743
7744         PR target/23570
7745         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7746         to "reg_or_0_operand".
7747         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7748
7749 2005-08-31  Dale Johannesen  <dalej@apple.com>
7750
7751         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
7752         loops that count down.
7753
7754 2005-08-31  Richard Henderson  <rth@redhat.com>
7755
7756         PR rtl-opt/23601
7757         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7758         (fixup_eh_region_note): New.
7759         (reload_as_needed): Call it.
7760         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7761         don't call find_many_sub_basic_blocks; call verify_flow_info.
7762         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7763         (keep_stack_depressed): Likewise.
7764         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7765
7766 2005-08-31  Richard Henderson  <rth@redhat.com>
7767
7768         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7769         fp return matching.
7770
7771 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
7772
7773         * expr.c (expand_expr_real_1): Compare size of address
7774         mode to target's address mode size in deciding expansion of
7775         the constant address.
7776
7777 2005-08-31  Richard Guenther  <rguenther@suse.de>
7778
7779         PR middle-end/23477
7780         * expr.c (all_zeros_p): New function.
7781         (expand_expr_real_1): Handle the case of an all-zero
7782         non-addressable constructor separately.
7783
7784 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
7785
7786         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7787         arguments, adjust all callers.
7788         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7789
7790 2005-08-30  Richard Henderson  <rth@redhat.com>
7791
7792         PR target/23630
7793         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7794         whenever the mode sizes match.
7795
7796 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
7797
7798         * calls.c (load_register_parameters): Fix comment typo.
7799         * expr.c (emit_push_insn): Comment formatting.
7800
7801 2005-08-30  Ian Lance Taylor  <ian@airs.com>
7802
7803         * config/i386/x-cygwin (host-cygwin): Change dependency from
7804         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7805
7806 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
7807
7808         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7809         parts of 'vals'.
7810
7811 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
7812
7813         PR middle-end/23408
7814         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7815         call to ggc_collect.
7816
7817 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
7818
7819         PR bootstrap/21268
7820         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7821         beginning.  Remove $(INCLUDES) from all the rules, if following
7822         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7823
7824 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
7825
7826         PR middle-end/23484
7827         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7828         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7829         not constant, but maxlen is, don't set len to maxlen, rather
7830         set maxlen to len if len is a constant.
7831
7832 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
7833
7834         PR tree-optimization/23475
7835         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7836         and counts.
7837
7838 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
7839
7840         Fix PR middle-end/22455
7841
7842         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7843         Checksum only the parts of the tree that exist for the tree code.
7844
7845 2005-08-28  Dale Johannesen  <dalej@apple.com>
7846
7847         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
7848
7849 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
7850
7851         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7852
7853 2005-08-28  Richard Henderson  <rth@redhat.com>
7854
7855         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7856         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7857         of char_type_node.
7858
7859 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
7860
7861         PR ada/23593
7862         * builtins.c (get_memory_rtx): Don't strip nops
7863         in between COMPONENT_REFs.
7864
7865 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
7866
7867         PR middle-end/23463
7868         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7869         types.
7870         (gimplify_modify_expr): Check for zero sized types and gimplify the
7871         rhs and lhs as statements.
7872
7873 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
7874
7875         PR libgcj/23508
7876         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7877         state for return address column of signal frames.
7878
7879 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
7880
7881         PR target/23539
7882         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7883         bytes >= 2 not bytes == 2.
7884         (expand_block_move): Same.
7885
7886 2005-08-27  Richard Guenther  <rguenther@suse.de>
7887
7888         PR target/23575
7889         * config/i386/sse.md (sse2_movsd): Add missing closing
7890         braces.
7891
7892 2005-08-27  Paul Brook  <paul@codesourcery.com>
7893
7894         * genrecog.c (enum decision_type): Add DT_num_insns.
7895         (struct decision_test): Add u.num_insns.
7896         (add_to_sequence): Add DT_num_insns test.
7897         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7898         (write_cond, debug_decision_2): Ditto.
7899         (change_state): Assume peep2_next_insn never fails.
7900         Remove "afterward" argument.
7901         (write afterward, write_tree): Update to match.
7902         * recog.c (peep2_current_count): New variable.
7903         (peep2_next_insn): Check it.
7904         (peephole2_optimize): Set peep2_current_count.
7905         * recog.h (peep2_current_count): Declare.
7906
7907 2005-08-26  Josh Conner  <jconner@apple.com>
7908
7909         PR middle-end/23584
7910         * ipa-pure-const.c (check_tree): Check for volatile-ness
7911         when considering a dereference.
7912
7913 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7914
7915         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7916
7917 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7918
7919         PR rtl-optimization/23561
7920         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7921         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7922         at most LEN bytes long memory fits into the field.
7923         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7924         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7925         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7926
7927 2005-08-26  Richard Henderson  <rth@redhat.com>
7928
7929         PR rtl-opt/23560
7930         * loop.c (biased_biv_may_wrap_p): New.
7931         (maybe_eliminate_biv_1): Use it to suppress non-equality
7932         comparison transformations.  Delete disabled code.
7933
7934 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7935
7936         * combine.c (make_extraction): Avoid reference outside object.
7937
7938 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7939
7940         * stor-layout.c (finalize_type_size): Restore behaviour for
7941         non-aggregate types to the status quo ante of the patch for
7942         pr 23467.  Document why it matters.
7943
7944 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7945
7946         PR c/23506
7947         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7948         array by one element, initialize the BT_LAST element with NULL.
7949
7950 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7951
7952         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7953         optimizing for size.
7954         (plus_eqsi): Same.
7955         (compare_plus_eqsi): Same.
7956         (plus_eqsi_compare): Same.
7957         (neg_eq0<mode>): Same.
7958         (neg_eq<mode>): Same.
7959
7960         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7961         PROCESSOR_POWER4.
7962
7963 2005-08-26  Nick Clifton  <nickc@redhat.com>
7964
7965         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7966         TARGET_EP is not defined.
7967         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7968         TARGET_EP is enabled.
7969         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7970         * config/v850/v850.md (save_all_interrupt): Only use the EP
7971         register if TARGET_EP is defined.
7972         (restore_all_interrupt): Likewise.
7973         * config/v850/lib1funcs.asm: Update functions so that the EP
7974         register is only used if __EP__ is defined.
7975
7976 2005-08-26  David Ung  <davidu@mips.com>
7977
7978         * config/mips/mips.c (mips_expand_prologue): Handle case when
7979         generating for MIPS16 and the outgoing argument area is more than
7980         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7981         add instruction.
7982
7983 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7984
7985         * config/crx/crx.md: Make doloop_end pattern usage controllable
7986         via mloop-nesting=<max-nesting> command line switch. Make sure
7987         the combiner cannot use doloop_end_<mode> in an illegal way.
7988         * config/crx/crx.c: Use regs up to r6 for argument passing.
7989         Refine crx_address_cost (non cst4 displacements are expensive).
7990         * config/crx/crx.opt: Add switch for mloop-nesting=.
7991
7992 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7993
7994         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7995         (UNSPEC_MVST): New constant.
7996
7997 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7998
7999         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
8000         Reject operands containing eliminable registers.
8001         * testsuite/gcc.dg/20050825-1.c: New testcase.
8002
8003 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8004             Jan Hubicka  <jh@suse.cz>
8005
8006         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
8007
8008 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8009
8010         PR tree-optimization/23546
8011         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
8012         and REAL_CST nodes.
8013
8014 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
8015
8016         * params.def (PARAM_MIN_SPEC_PROB): New.
8017         * sched-rgn.c (MIN_PROBABILITY): Delete.
8018         (compute_trg_info): Convert to PARAM_VALUE.
8019         * doc/invoke.texi (param): Document min-spec-prob.
8020
8021 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
8022
8023         * config/darwin.h: define __PIC__
8024         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
8025         TARGET_OS_CPP_BUILTINS macro.
8026
8027 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8028
8029         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
8030         yesterday.
8031
8032 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
8033
8034         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
8035         to duplicate_block.
8036         * cfghooks.c (duplicate_block): Added position where to place
8037         new block as argument.
8038         * cfghooks.h (duplicate_block): Declaration changed.
8039         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
8040         duplicate_block.
8041         * cfglayout.h (copy_bbs): Declaration changed.
8042         * cfgloop.h (loop_version): Declaration changed.
8043         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
8044         position to copy_bbs.
8045         (loop_version): Pass position to duplicate_loop_to_header_edge.
8046         Add place_after argument and position new blocks according to
8047         it.
8048         * modulo-sched.c (sms_schedule): Pass place_after argument
8049         to loop_version.
8050         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
8051         * tree-cfg.c (split_edge_bb_loc): New function.
8052         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
8053         to determine position of new blocks.
8054         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
8055         to loop_version.
8056         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
8057         argument to duplicate_block.
8058         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
8059         Pass position to copy_bbs.
8060
8061 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
8062
8063         * fold-const.c (ptr_difference_const): Use
8064         cst_and_fits_in_hwi instead of host_integerp.
8065
8066 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8067
8068         * config/darwin.c (gen_pic_offset): New.
8069         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
8070         Use it.
8071
8072 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
8073
8074         PR tree-optimization/23486
8075         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
8076
8077 2005-08-23  Phil Edwards  <phil@codesourcery.com>
8078
8079         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
8080         remove use_collect2.
8081         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
8082
8083         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
8084         configuration files to override the default value.
8085
8086         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
8087         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
8088         * config/vx-common.h:  New file, split out from...
8089         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
8090         * config/vxworksae.h:  New file, for VxWorks AE.
8091         * config/vxworks.opt:  New file.
8092         * config/vxlib.c:  Update for VxWorks 6.
8093
8094         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
8095         other MULTILIB_* variables appropriately.
8096         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
8097         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
8098         * config/rs6000/vxworks.h:  Update for VxWorks 6.
8099         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
8100
8101 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
8102
8103         PR target/20799
8104         * config/darwin.c (machopic_select_section): Remove the hack to
8105         mark "::operator new" and "::operator delete" for coalescing
8106         even though they are not weak.
8107
8108 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
8109
8110         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
8111         * configure: Regenerate.
8112
8113 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
8114
8115         PR middle-end/23517
8116         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
8117         between vectors.
8118         * convert.c (convert_to_integer, convert_to_vector): Likewise.
8119         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
8120         Likewise.
8121
8122 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
8123
8124         * config/rs6000/predicates.md (equality_operator): New.
8125         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
8126         comparison with a large constant.
8127
8128 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
8129
8130         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
8131
8132 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
8133
8134         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
8135         registers is even, and we have a hardware double precision fp,
8136         align the buffer.
8137         (sh_gimplify_va_arg_expr): For floating point arguments, consider
8138         size of current argument when checking if argument was passed in
8139         registers.
8140
8141         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
8142
8143         PR middle-end/23467
8144         * stor-layout.c (finalize_type_size): Dont override
8145         existing alignment with a smaller alignment from the mode.
8146
8147 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
8148
8149         * lambda-code.c (lambda_vector_lexico_pos): Moved...
8150         * lambda.h (lambda_vector_lexico_pos): ... here.
8151         * tree-data-ref.c (build_classic_dist_vector): Return false when
8152         the distance vector is lexicographically negative.
8153
8154 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
8155
8156         PR tree-optimization/23511
8157         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
8158         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
8159
8160 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
8161
8162         PR tree-optimization/22043
8163         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
8164         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
8165         If ALLOW_FLEXARR, handle types ending with flexible array member.
8166         Pass false as second argument to recursive count_type_elements calls.
8167         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
8168         argument to count_type_elements call.
8169         * tree-sra.c (decide_block_copy): Likewise.
8170         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
8171         for a constant-sized object, set cleared as well.  Pass true as
8172         second argument to count_type_elements call.
8173
8174 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
8175
8176         PR target/21571
8177         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
8178         from legitimate_small_data_p, and make global.  Update use.
8179         Remove forward declaration.
8180         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
8181         Declare.
8182         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
8183
8184 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
8185
8186         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
8187         of scratch intermediates.
8188         (eq<mode>_compare): Same.
8189         (neg_eq0<mode>): New.
8190         (neg_eq<mode>): Convert to define_insn_and_split.
8191
8192 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
8193
8194         PR target/23070
8195         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
8196         stdarg functions, set/clear the fp marker even when no variable
8197         args are passed.
8198         * config/rs6000/sysv4.opt (mprototype): Describe.
8199
8200 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
8201
8202         PR rtl-optimization/23478
8203         * regs.h (reg_info): Add throw_calls_crossed.
8204         (REG_N_THROWING_CALLS_CROSSED): Define.
8205         * flow.c (allocate_reg_life_data): Initialize
8206         REG_N_THROWING_CALLS_CROSSED.
8207         (propagate_one_insn, attempt_auto_inc): Update
8208         REG_N_THROWING_CALLS_CROSSED.
8209         * global.c (global_alloc): Don't allocate pseudos across
8210         calls that may throw.
8211
8212 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
8213
8214         PR c/18715
8215         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
8216         value is inbetween the range if we did not find an exact match.
8217
8218 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
8219
8220         * doc/invoke.texi (Option Summary): Add ms1 options.
8221         * doc/extend.texi: Document interrupt handler attribute for ms1.
8222         * doc/md.texi: Document ms1 constraints.
8223         * config.gcc: Add ms1-*-elf.
8224         * config/ms1/ms1.h: New.
8225         * config/ms1/ms1.c: New.
8226         * config/ms1/ms1.md: New.
8227         * config/ms1/ms1-protos.h: New.
8228         * config/ms1/ABI.txt: New.
8229         * config/ms1/crti.asm: New.
8230         * config/ms1/crtn.asm: New.
8231         * config/ms1/lib2extra-funcs.c: New.
8232         * config/ms1/t-ms1: New.
8233         * config/ms1/ms1.opt: New.
8234
8235 2005-08-22 Ira Rosen <irar@il.ibm.com>
8236
8237         * config/rs6000/altivec.md (xorv4sf3): New.
8238         (negv4sf2, neg<mode>2): Likewise.
8239
8240 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
8241
8242         PR target/23485
8243         * config/ia64/ia64.md (divsi3): Check divide by zero.
8244         (udivsi3): Likewise.
8245         (divdi3): Likewise.
8246         (udivdi3): Likewise.
8247
8248 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
8249
8250         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
8251         up to elem_bitsize bits, not max_bitsize.
8252
8253 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
8254
8255         PR tree-optimization/23433
8256         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
8257         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
8258
8259 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
8260
8261         PR tree-optimization/23434
8262         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
8263         the iteration bound is not an INTEGER_CST.
8264
8265 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
8266
8267         * tree-vect-transform.c (get_initial_def_for_reduction): Set
8268         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
8269         NULL if need_epilog_adjust is false.
8270         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
8271         Case 3 always peels first itration, not just for PLUS case, and no need
8272         to use scalar_initial_def here. Create an epilog adjustment only if
8273         scalar_initial_def is not NULL.
8274
8275         (vectorizable_reduction): Remove assert.
8276
8277 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
8278
8279         PR target/23485
8280         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
8281         (__moddi3): Likewise.
8282         (__udivdi3): Likewise.
8283         (__umoddi3): Likewise.
8284         (__divsi3): Likewise.
8285         (__modsi3): Likewise.
8286         (__udivsi3): Likewise.
8287         (__umodsi3): Likewise.
8288
8289 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
8290
8291         * tree-pass.h (TDF_GRAPH): Define.
8292         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
8293         * passes.c (finish_optimization_passes): Only call
8294         finish_graph_dump_file if TDF_GRAPH is set.
8295         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
8296         NULL.  Set TDF_GRAPH bit.
8297         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
8298
8299 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
8300
8301         * arm.h (arm_stack_offsets): Add locals_base field.
8302         * arm.c (arm_get_frame_offsets): Compute it.
8303         (thumb_compute_initial_elimination offset): Make the Thumb frame
8304         pointer point to the base of the local variables.
8305         (thumb_expand_prologue): Update accordingly.
8306         (thumb_expand_epilogue): Likewise.
8307
8308         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
8309         mode of clobbered scratch to DImode.  Handle a case that's known to
8310         need this.
8311
8312 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
8313
8314         * config/rs6000/rs6000.md (gt0<mode>): Delete.
8315         (gt0<mode>_compare): Delete.
8316         (neg_gt0<mode>): Delete.
8317
8318 2005-08-19  Eric Christopher  <echristo@apple.com>
8319
8320         * optabs.h: Change CTI_ to COI_.
8321         * optabs.c: Ditto.
8322
8323 2005-08-19  James E Wilson  <wilson@specifix.com>
8324
8325         * builtins.c (expand_builtin_return_addr): Set
8326         current_function_accesses_prior_frames when count != 0.  Use
8327         frame_pointer_rtx when count == 0.
8328         * function.h (struct function): Add accesses_prior_frames field.
8329         (current_function_accesses_prior_frames): Define.
8330         * reload1.c (init_elim_table): Check
8331         current_function_accesses_prior_frames.
8332         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
8333
8334 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8335
8336         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
8337         indicator.  Return true if the flowgraph changed during
8338         cleanup.
8339
8340 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8341
8342         PR 23476
8343         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
8344         conditional expression before testing its value.
8345
8346 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8347
8348         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
8349
8350 2005-08-19  Devang Patel  <dpatel@apple.com>
8351
8352         PR tree-optimization/23048
8353         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
8354         third parameter. Check whether latch is dominated by exit
8355         block or not.
8356         (if_convertible_loop_p): Supply exit block itself to
8357         if_convertible_bb_p.
8358
8359 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8360
8361         PR target/23473
8362         * arm.md (arm_load_pic_register): Change argument to the mask of
8363         saved registers.  Call thumb_find_work_register if we need a
8364         scratch register on Thumb.
8365         (arm_expand_prologue): Pass empty register set to
8366         arm_load_pic_register.
8367         (thumb_expand_prologue): Pass live_regs_mask directly to
8368         arm_load_pic_register.
8369         * arm-protos.h (arm_load_pic_register): Update prototype.
8370
8371 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
8372
8373         * sh.c (find_sole_member): New function.
8374         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
8375         if the record's alignment is larger than the size of its only member.
8376
8377 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8378
8379         PR target/23436
8380         * arm.c (thumb_legitimize_reload_address): New function.
8381         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
8382         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
8383
8384 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
8385
8386         * config/crx/crx.c: Implement crx_decompose_address. Reject
8387         symbolic displacements since CRX register relative adressing
8388         mode can't handle unsigned 32-bit values as displacements.
8389         * config/crx/crx.h: Simplify definitions, remove redundant
8390         parenthesis and obsolete macros.
8391         * config/crx/crx.opt: Add new switch for debugging addresses.
8392         * config/crx/crx-protos.h: Add new declarations for above.
8393
8394 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
8395
8396         PR middle-end/20624
8397         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8398         looking past it.
8399
8400 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8401
8402         * collect2.c (dup2): Delete.
8403         * configure.ac: Don't check for dup2.
8404
8405         * config.in, configure: Regenerate.
8406
8407 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
8408
8409         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8410         record with the type of its only member.
8411
8412 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
8413
8414         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8415         define_insn_and_split.
8416         (plus_ltu<mode>_compare): Same.
8417         (gtu<mode>_compare): Same.
8418         (plus_gtu<mode>_compare): Same.
8419
8420 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
8421
8422         PR tree-optimization/22228
8423         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8424         todo_flags_start.
8425         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8426         are recorded in vect_vnames_to_rename for renaming.
8427         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8428         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8429         in vect_vnames_to_rename.
8430         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8431         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8432
8433 2005-08-18  Jan Hubicka  <jh@suse.cz>
8434
8435         PR c++/22034
8436         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8437         info only for local statics, not for member variables.
8438
8439 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8440
8441         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8442
8443 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8444
8445         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8446
8447 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
8448
8449         PR middle-end/16045
8450         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8451
8452 2005-08-17  James E Wilson  <wilson@specifix.com>
8453
8454         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8455         array size check.
8456
8457 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
8458
8459         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8460         (leu<mode>_compare): Same.
8461         (plus_leu<mode>): Same.
8462         (neg_leu<mode>): Same.
8463         (and_neg_leu<mode): Same.
8464         (ltu<mode>_compare): Same.
8465         (plus_ltu<mode>): Same.
8466         (geu<mode>): Same.
8467         (geu<mode>_compare): Same.
8468         (plus_geu<mode>): Same.
8469         (neg_geu<mode>): Same.
8470         (and_neg_geu<mode>): Same.
8471         (plus_gt<mode>): Same.
8472         (gtu<mode>_compare): Same.
8473         (plus_gtu<mode>): Same.
8474
8475 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
8476
8477         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8478         Move call_table_data to end.  Delete spurious .text.
8479         (callt_save_all_interrupt): Fix comment typo.
8480
8481 2005-08-17  James E Wilson  <wilson@specifix.com>
8482             Kevin Winchester  <winchester@amirix.com>
8483
8484         PR target/21684
8485         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8486
8487 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
8488
8489         PR target/23268
8490         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8491         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8492
8493 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
8494
8495         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8496         record with the type of its only member if the modes don't match.
8497
8498         * varasm.c (decode_reg_name): Skip empty additional register names.
8499
8500 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
8501
8502         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8503         lsm_tmp_name_length): New.
8504         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8505         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8506
8507 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8508             Andreas Krebbel  <krebbel1@de.ibm.com>
8509
8510         * config.gcc: Added z9-109 switch.
8511         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8512         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8513         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8514         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8515         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8516         for "z9_109" cpu attribute.
8517         * config/s390/s390.c (z9_109_cost): New processor cost structure.
8518         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8519         (s390_handle_arch_option): Added z9-109 switch.
8520         (override_options): Set respective cost function for z9-109.
8521         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8522         (legitimate_reload_constant_p): Accept extended immediates.
8523         (print_operand): Three new output modifiers added: k, m and o.
8524         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8525         (s390_output_mi_thunk): Use extended immediate when possible.
8526         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8527         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8528         (CONSTRAINT_LEN): Added length of O constraint.
8529         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8530         * config/s390/s390.md ("cpu"): New value z9_109 added.
8531         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8532         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8533         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8534         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8535         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8536         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8537         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8538         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8539         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8540         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8541         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8542         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8543         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8544         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8545         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8546         immediates.
8547         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8548         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8549         insns for TARGET_EXTIMM.
8550
8551 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8552
8553         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8554
8555 2005-08-17  Nick Clifton  <nickc@redhat.com>
8556
8557         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8558         Call default_encode_section_info.
8559
8560 2005-08-17  Steven Bosscher  <stevenb@suse.de>
8561
8562         PR tree-optimization/21574
8563         * tree-ssa-ccp.c (likely_value): If the right hand side is a
8564         constant, return CONSTANT.
8565         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8566         (ccp_fold, visit_assignment): Likewise.
8567         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8568
8569 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8570
8571         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8572         fold_buildN instead of buildN then fold_initializer or fold.
8573         (build_unary_op): Likewise.
8574         (build_binary_op): Likewise.
8575         * fold-const.c (fold_initializer): Remove.
8576         (fold_build1_initializer): New function.
8577         (fold_build2_initializer): New function.
8578         (fold_build3_initializer): New function.
8579         * tree.h (fold_initializer): Remove.
8580         (fold_build1_initializer): New function.
8581         (fold_build2_initializer): New function.
8582         (fold_build3_initializer): New function.
8583
8584 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8585
8586         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8587         (try_move_mult_to_index): Call fold_build2 instead of build2.
8588         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8589         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8590         fold_binary_to_constant.
8591         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8592         fold (build.
8593         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8594         check if A == gcd (A, B).  Remove TYPE argument.
8595         (analyze_offset) Use fold_build2 instead of fold (build.
8596         (create_data_ref): Likewise.
8597         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8598         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8599         then fold.
8600
8601 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
8602
8603         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8604         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8605
8606 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
8607
8608         PR tree-opt/23402
8609         * gimplify.c (zero_sized_type): New function.
8610         (gimplify_modify_expr_rhs): If we have a zero sized type,
8611         replace the statement with an empty statement.
8612
8613 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
8614
8615         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8616         fxsave.
8617
8618 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8619
8620         * doc/tm.texi (Label Output): Correct typo.
8621
8622 2005-08-16  Steven Bosscher  <stevenb@suse.de>
8623
8624         PR target/23376
8625         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8626         force_operand will work later on using have_insn_for.
8627
8628 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8629
8630         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8631
8632 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8633
8634         PR c++/23337
8635         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8636         vector type, don't try to construct it element by element.  Add an
8637         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8638
8639 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8640
8641         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8642
8643 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
8644
8645         * doc/invoke.texi (Precompiled Headers): Document some more options
8646         which are known to be safe.
8647
8648 2005-08-16  James E Wilson  <wilson@specifix.com>
8649
8650         PR tree-optimization/21105
8651         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8652         TREE_OVERFLOW check.
8653
8654 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
8655
8656         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8657         (neg_ltu<mode>): Same.
8658         (gtu<mode>): Same.
8659         (neg_gtu<mode>): Same.
8660
8661 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8662
8663         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8664         (fold_builtin_isdigit): Use fold_buildN.
8665         (build_function_call_expr): Likewise.
8666         * c-typeck.c (c_finish_loop): Likewise.
8667
8668 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
8669             Richard Shann <rshann@superh.com>
8670
8671         PR middle-end/20396:
8672         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8673
8674 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
8675
8676         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8677
8678 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
8679
8680         PR target/23355
8681         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8682         arm_compure_save_reg0_reg12_mask to determine when the PIC register
8683         must be saved.
8684
8685 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8686
8687         PR middle-end/23369
8688         * fold-const.c (build_range_check): Disable optimization for function
8689         pointer expressions on targets that require function pointer
8690         canonicalization.
8691
8692 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
8693
8694         * simplify-rtx.c (simplify_const_relational_operation): When
8695         extracting arguments of a COMPARE, recompute the mode as well.
8696
8697 2005-08-15  Ian Lance Taylor  <ian@airs.com>
8698
8699         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8700
8701 2005-08-15  DJ Delorie  <dj@redhat.com>
8702
8703         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8704         the stack.
8705         (movsi_splittable): Allow, but split, moves to the stack.
8706         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8707         stack.
8708
8709 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8710
8711         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8712         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8713         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8714
8715         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8716         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8717         Delete HOST_PTR_PRINTF.
8718
8719         * configure, config.in: Regenerate.
8720
8721 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
8722
8723         * config/rs6000/rs6000.md (QHSI): New mode macro.
8724         (wd): Extend mode attr for QImode and HImode
8725         (dbits): New mode attr.
8726         (zero_extend<mode>di2): Convert to mode macro.
8727
8728 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
8729
8730         PR target/21841
8731         * doc/invoke.texi (-mgnu-ld): Update description.
8732         (-mhp-ld): Ditto.
8733
8734 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8735
8736         PR 23391
8737         * Makefile.in (tree-chrec.o): Depends on real.h.
8738         * tree-chrec.c: Include real.h.
8739         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8740         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8741         * tree-scalar-evolution.c (add_to_evolution_1,
8742         interpret_rhs_modify_expr): Ditto.
8743
8744 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8745
8746         PR 23386
8747         * tree-data-ref.c (estimate_niter_from_size_of_data): When
8748         step is negative compute the estimation from init downwards to zero.
8749
8750 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
8751
8752         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8753
8754 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8755
8756         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8757         constraint.
8758         (legitimate_reload_constant_p): Fix handling of lliXX operands.
8759         Accept double-word constants that can be split.
8760         * config/s390/s390.md ("movti"): Use 'P' constraint.
8761         ("*movdi_31", "*movdf_31"): Likewise.
8762
8763 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
8764
8765         Fix PR tree-optimization/22615
8766
8767         * tree-ssa-structalias.c (solution_set_add): Handle
8768         first_vi_for_offset returning NULL.
8769         (do_da_constraint): Ditto.
8770         (do_sd_constraint): Ditto.
8771         (do_ds_constraint): Ditto
8772         (find_func_aliases): Ditto.
8773         (build_constraint_graph): RHS is allowed be ANYTHING.
8774         (first_vi_for_offset): Return NULL if we couldn't find anything at
8775         the offset.
8776
8777 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8778
8779         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8780         over memory as first operand.
8781
8782 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
8783
8784         PR target/23360
8785         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8786         available for setting it.
8787
8788 2005-08-14  Ira Rosen  <irar@il.ibm.com>
8789
8790         PR tree-optimization/23320
8791         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8792         data-refs' types instead of base object nullness. Add check for
8793         pointer type data-refs before first location comparison. Remove
8794         assert.
8795
8796 2005-08-14  Andreas Schwab  <schwab@suse.de>
8797
8798         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8799
8800 2005-08-13  James E Wilson  <wilson@specifix.com>
8801
8802         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8803         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8804         -fstack-protector-all, --param ssp-buffer-size): Document.
8805         (-Wvariadic-macros): Alphabetize.
8806         (-fsched-stalled-insns-dep): Add missing 'f'.
8807
8808         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8809         macros.
8810
8811 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
8812
8813         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8814         or indirect address operand.
8815         (EXTRA_ADDRESS_CONSTRAINT): New.
8816         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8817
8818 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
8819
8820         PR tree-optimization/22236
8821         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8822         successors and predecessors.
8823         * tree-chrec.c (chrec_convert): Before converting, check that
8824         sequences don't wrap.
8825         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8826         (analyze_array): Extern.
8827         (find_data_references_in_loop): Remove call to
8828         compute_estimated_nb_iterations.
8829         * tree-data-ref.h (analyze_array): Declared.
8830         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8831         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8832         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8833         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8834         condition.
8835         * tree-ssa-loop-ivcanon.c: Fix documentation.
8836         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8837         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8838         (infer_loop_bounds_from_undefined): New.
8839         (estimate_numbers_of_iterations_loop): Use
8840         infer_loop_bounds_from_undefined.
8841         (used_in_pointer_arithmetic_p): New.
8842         (scev_probably_wraps_p): Pass an extra parameter.  Call
8843         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
8844         (convert_step): Fix documentation.
8845         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8846         Use initial_condition_in_loop_num and evolution_part_in_loop_num
8847         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
8848         scev_probably_wraps_p.
8849
8850 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
8851
8852         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8853         (s390_register_info): Ignore clobbered_regs information for fixed
8854         registers, and only fixed registers.
8855         (s390_init_frame_layout): Remove redundant call.
8856
8857 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
8858
8859         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8860         description of -Wold-style-casts.
8861
8862 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8863             Jakub Jelinek  <jakub@redhat.com>
8864
8865         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8866         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8867         * config/s390/s390.c (print_operand): New output modifier 'G' added.
8868         (get_thread_pointer): Renamed to s390_get_thread_pointer.
8869         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8870         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8871         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8872         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8873         ("stack_protect_set", "stack_protect_test"): New expanders.
8874         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8875         "stack_protect_testdi"): New insn definitions.
8876
8877 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8878
8879         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8880
8881 2005-08-12  Paul Brook  <paul@codesourcery.com>
8882
8883         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8884
8885 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8886
8887         * config/s390/predicates.md (setmem_operand): New predicate.
8888         (shift_count_operand): Accept ANDs with special constants as
8889         operand.
8890         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8891         with special constants.
8892         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8893         shift_count_operand with setmem_operand.
8894
8895 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8896
8897         * config/s390/s390.c (s390_extract_part, s390_single_part):
8898         Type cast added.
8899         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8900         (s390_output_mi_thunk): Don't use lg on 31 bit.
8901         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8902         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8903
8904 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8905
8906         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8907         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8908         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8909         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8910         with one of the new macros.
8911
8912 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8913
8914         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8915         Don't set save_return_addr_p.
8916         (s390_register_info): Make clobbered_regs not depending on
8917         save_return_addr_p.
8918
8919 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8920
8921         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8922         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8923
8924 2005-08-11  James E. Wilson  <wilson@specifix.com>
8925
8926         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8927
8928 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8929
8930         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8931         locations gathered by var-tracking in single entry loc_list
8932         over loc_descriptor_from_tree.
8933
8934         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8935         pass it down to loc_descriptor.
8936         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8937         (containing_function_has_frame_base): Move earlier in the file.
8938         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8939         instead of always assuming fbreg can't be used.
8940
8941 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8942
8943         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8944         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8945         Accept address wrapped in AND for Altivec.
8946         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8947         Strip AND wrapping offset address for Altivec.
8948
8949 2005-08-11  Richard Henderson  <rth@redhat.com>
8950
8951         PR middle-end/23312
8952         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8953         before using TYPE_IS_SIZETYPE.
8954
8955 2005-08-11  Richard Henderson  <rth@redhat.com>
8956
8957         PR target/22225
8958         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8959         insn types not present on ev4.
8960         (alphaev5_insn_pipe): Similarly.
8961
8962 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8963
8964         PR target/23250
8965         * arm.c (arm_override_options): If the user has selected callee-super-
8966         interworking, then enable normal interworking.
8967
8968 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8969
8970         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8971         redefinition.
8972
8973 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8974
8975         * doc/rtl.texi: Fix two typos.
8976
8977 2005-08-11  Richard Guenther  <rguenther@suse.de>
8978
8979         PR target/23289
8980         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8981         cases where we call to/from functions returning void.
8982
8983 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8984
8985         PR c++/23225
8986         * tree.c (build_pointer_type_for_mode): Robustify.
8987
8988 2005-08-10  James E Wilson  <wilson@specifix.com>
8989
8990         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8991         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8992
8993         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8994         "cum->".
8995
8996 2005-08-10  Eric Christopher  <echristo@apple.com>
8997
8998         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8999         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
9000         V2DFmode.
9001
9002 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
9003
9004         PR target/21887
9005         * config/darwin.c (machopic_indirect_data_reference): Use a new register
9006         for the high part when generating dynamic-no-pic code.
9007
9008 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
9009
9010         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
9011         (x86_64-*-linux*): Likewise.
9012
9013         * config/i386/crtfastmath.c: New file.
9014         * config/i386/t-crtfm: Likewise.
9015
9016         * config/i386/linux.h (ENDFILE_SPEC): New.
9017         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
9018
9019         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
9020         crtfastmath.o.
9021
9022 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
9023
9024         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
9025         (vec_shl, vec_shr): Document new operations.
9026         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
9027
9028 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
9029
9030         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
9031         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
9032         change predicate to indexed_or_indirect_address.
9033
9034 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
9035
9036         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
9037         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
9038         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
9039         and __aeabi_uwrite8.
9040         * config/arm/unaligned-funcs.c: New file.
9041         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
9042
9043 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
9044
9045         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
9046         Add dump.
9047         * cfglayout.c (pass_insn_locators_initialize): Add dump.
9048         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
9049         Add dump.
9050         * except.c (pass_convert_to_eh_region_ranges): Add dump.
9051         * final.c (pass_shorten_branches): Add dump.
9052         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
9053         (pass_life): Rename dump.
9054         (rest_of_handle_flow2): Remove initial verify_flow_info.
9055         * function.c (pass_instantiate_virtual_regs): Add dump.
9056         * integrate.c (pass_initial_value_sets): Add dump.
9057         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
9058         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
9059         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
9060         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
9061         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
9062         gate_rtl_unrool_and_peel_loops): New.
9063         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
9064         rtl_doloop): Do not look at flags.
9065         * mode-switching.c (pass_mode_switching): Add dump.
9066         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
9067         pass_split_before_regstack): Add dump.
9068         * regmove.c (pass_stack_adjustments): Add dump.
9069         * tree-optimize.c (pass_fixup_cfg): Add dump.
9070
9071 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9072
9073         PR 23309
9074         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
9075         deciding which instruction sequence to use.
9076
9077 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
9078
9079         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
9080         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
9081
9082 2005-08-09  Richard Guenther  <rguenther@suse.de>
9083
9084         * c-common.c (builtin_function_2): Remove.
9085         (def_builtin_1): New function.
9086         (c_common_nodes_and_builtins): Use def_builtin_1 to
9087         build builtin functions.
9088
9089 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
9090
9091         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
9092         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9093         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
9094         Visual DSP.
9095
9096 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
9097
9098         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
9099         fold_binary instead of fold_build2 since we don't care about the
9100         resulting tree.
9101         (loop_niter_by_eval): Likewise.
9102         (compare_trees): Likewise.
9103         (proved_non_wrapping_p): Likewise.
9104
9105 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
9106
9107         PR c/23161
9108         PR c/23165
9109         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
9110         if the if is really empty.
9111
9112 2005-08-09  Steven Bosscher  <stevenb@suse.de>
9113
9114         PR tree-optimization/23234
9115         * tree-ssa-math-opts.c (place_reciprocal): New enum.
9116         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
9117         argument of the new enum.
9118         (execute_cse_reciprocals): Add reciprocals for function arguments
9119         on the unique successor edge of the entry block.  Update other calls
9120         to execute_cse_reciprocals_1.
9121
9122 2005-08-08  Richard Henderson  <rth@redhat.com>
9123
9124         PR 22439
9125         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
9126
9127 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
9128
9129         * expr.c (write_complex_part): Return after handling MEM.
9130
9131 2005-08-08  Josh Conner  <jconner@apple.com>
9132
9133         PR rtl-optimization/23241
9134         * combine.c (simplify_comparison): Fix error in determining
9135         whether to lift a subreg from comparison.
9136
9137 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
9138
9139         PR target/18506
9140         * config/rs6000/altivec.md (vec_init<mode>): New.
9141         (vec_set<mode>): New.
9142         (vec_extract<mode>): New.
9143         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
9144         (rs6000_expand_vector_set): New.
9145         (rs6000_expand_vector_extract): New.
9146         (rs6000_legitimate_offset_address_p): Offset addresses are valid
9147         for Altivec modes before reload.
9148         (altivec_expand_vec_init_builtin): New.
9149         (get_element_number): New.
9150         (altivec_expand_vec_set_builtin): New.
9151         (altivec_expand_vec_ext_builtin): New.
9152         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
9153         builtins.
9154         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
9155         builtins.
9156         * config/rs6000/rs6000.h (rs6000_builtins): Add
9157         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
9158         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
9159         * config/rs6000/rs6000-protos.h: Declare new functions.
9160
9161 2005-08-08  Jan Hubicka  <jh@suse.cz>
9162
9163         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
9164         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
9165         * i386.md (movdi*): Use pic_32bit_operand.
9166         * predicates.md (pic_32bit_operand): New.
9167
9168 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
9169
9170         PR c++/21166
9171         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
9172
9173 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
9174
9175         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
9176         (test_for_singularity): Use fold_build2.
9177
9178 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9179
9180         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
9181
9182 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
9183
9184         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9185         (COMMON_ASM_OP) Define.
9186         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
9187         (ix86_encode_section_info): Likewise.
9188         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
9189         SUBTARGET_ENCODE_SECTION_INFO.
9190
9191 2005-08-06  Richard Henderson  <rth@redhat.com>
9192
9193         PR 21894
9194         * tree-nested.c (convert_local_reference): Save and restore val_only
9195         around component_ref and friends.  Clear walk_subtrees by default.
9196
9197 2005-08-06  Peter O'Gorman  <peter@pogma.com>
9198
9199         PR 21366
9200         * gcc.c (process_command): Check the argument to -b has a dash.
9201         * doc/invoke.texi: Update -b and -V docs.
9202
9203 2005-08-06  James E Wilson  <wilson@specifix.com>
9204
9205         * config/mips/cross64.h, config/mips/t-cross64: Delete.
9206
9207 2005-08-06  Michael Matz  <matz@suse.de>
9208
9209         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
9210         member only if only one insn is associated with the value.
9211
9212 2005-08-06  Nick Clifton  <nickc@redhat.com>
9213
9214         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
9215         New define.
9216         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
9217         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
9218         Check symbol flags instead of symbol name mangling.
9219         (xstormy16_asm_output_aligned_common): Likewise.  Also
9220         simplify code since the bss100_section cass is the only case
9221         where the below100 code will be triggered.
9222         (xstormy16_encode_section_info): Encode below100 attribute
9223         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
9224         the name.
9225         (xstormy16_strip_name_encoding): Delete - this function is no
9226         longer needed.
9227         (TARGET_STRIP_NAME_ENCODING): Undefine.
9228         * config/stormy16/stormy16-protos.h: Delete prototype for
9229         xstormy16_strip_name_encoding.
9230
9231 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
9232
9233         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
9234         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
9235         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
9236         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
9237         config/alpha/predicates.md, config/arc/arc.h,
9238         config/arm/arm.h, config/arm/ieee754-df.S,
9239         config/arm/ieee754-sf.S, config/bfin/bfin.c,
9240         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
9241         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
9242         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
9243         config/m68hc11/m68hc11.h, config/mips/mips.c,
9244         config/mips/mips.h, config/mips/openbsd.h,
9245         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
9246         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
9247         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
9248         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
9249         config/sparc/linux.h, config/sparc/linux64.h,
9250         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
9251         doc/extend.texi, doc/gcov.texi, doc/install.texi,
9252         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
9253         typos.  Follow spelling conventions.
9254
9255 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
9256
9257         PR c/23113
9258         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
9259         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
9260         specially.  Check for side effects only for COND_EXPR.
9261         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
9262         return with TREE_NO_WARNING.
9263
9264 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
9265
9266         PR rtl-optimization/23233
9267         * loop.c (combine_movables): Require the modes to be the same.
9268         (move_movables): Remove handling of cases where the replacement
9269         had a different mode to the original.
9270
9271 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
9272
9273         PR tree-optimization/23128
9274         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
9275         subtraction wrap, and set TREE_OVERFLOW if they do.
9276
9277 2005-08-05  Richard Henderson  <rth@redhat.com>
9278
9279         PR 21728
9280         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
9281         FORCED_LABEL labels.
9282
9283 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
9284
9285         PR middle-end/23135
9286         * reload.c (find_reloads_subreg_address): Pass down TYPE
9287         unchanged.  Change all callers except find_reloads_toplev.
9288
9289 2005-08-05  Michael Matz  <matz@suse.de>
9290
9291         * genattrtab.c (current_alternative_string): Remove.
9292         (SIMPLIFY_ALTERNATIVE): Ditto.
9293         (attr_alt_bit_p): Ditto.
9294         (alternative_name): Make const char *.
9295         (evaluate_eq_attr): Remove use of above things.
9296         (simplify_test_exp): Ditto.
9297         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
9298         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
9299
9300 2005-08-04  James E Wilson  <wilson@specifix.com>
9301
9302         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
9303         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
9304         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
9305         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
9306         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
9307
9308 2005-08-04  Richard Henderson  <rth@redhat.com>
9309
9310         PR 21529
9311         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
9312         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
9313         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
9314         if we'd have to instantiate too many members.
9315
9316 2005-08-04  Richard Henderson  <rth@redhat.com>
9317
9318         PR 21291
9319         * tree-outof-ssa.c (coalesce_asm_operands): New.
9320         (coalesce_ssa_name): Use it.  Split out ...
9321         (coalesce_phi_operands, coalesce_result_decls): ... these.
9322
9323 2005-08-04  Paul Brook  <paul@codesourcery.com>
9324
9325         * read-rtl.c (read_quoted_string): Break if EOF.
9326
9327 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
9328
9329         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
9330         (fold_build2): Likewise.
9331         (fold_build3): Likewise.
9332         (fold_build1_stat): New function prototype.
9333         (fold_build2_stat): Likewise.
9334         (fold_build3_stat): Likewise.
9335         * fold-const.c (fold_build1): Rename to ..
9336         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9337         through to build1_stat.
9338         (fold_build2): Rename to ..
9339         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9340         through to build2_stat.
9341         (fold_build3): Rename to ..
9342         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9343         through to build3_stat.
9344
9345 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
9346             Ian Lance Taylor  <ian@airs.com>
9347
9348         * function.c (assign_stack_local_1): Do not correct stack slot
9349         address if allocation size is smaller than mode size.
9350
9351 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
9352
9353         PR 22037
9354         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
9355         (tree_merge_blocks): Propagate anything allowed by
9356         may_propagate_copy.
9357         Clarify documentation.
9358         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
9359         SSA form, schedule an update if necessary.
9360
9361 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
9362
9363         * doc/install.texi (Binaries): Remove broken link to
9364         Sinix/Reliant Unix binaries.
9365
9366 2005-08-03  Richard Henderson  <rth@redhat.com>
9367
9368         PR 23221
9369         * function.c (stack_protect_epilogue): Export.
9370         * tree.h (stack_protect_epilogue): Declare.
9371         * calls.c (expand_call): Call it.
9372
9373 2005-08-03  Eric Christopher  <echristo@apple.com>
9374
9375         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
9376         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
9377         spec.
9378
9379 2005-08-04  Jan Hubicka  <jh@suse.cz>
9380
9381         * profile.c (branch_prob): Split edges with goto locus on them
9382         to get proper line counts.
9383         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
9384
9385 2005-08-03  Paul Brook  <paul@codesourcery.com>
9386
9387         * function.c (assign_parms): Round current_function_args_size
9388         to PARM_BOUNDARY, not STACK_BOUNDARY.
9389
9390 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
9391
9392         * config/i386/i386.c (x86_elf_aligned_common)
9393         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
9394
9395 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
9396
9397         PR tree-optimization/23157
9398         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
9399         before emitting them.
9400
9401 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9402
9403         PR tree-optimization/19899
9404         * Makefile.in (tree-scalar-evolution.o): Add real.h.
9405         * tree-scalar-evolution.c: Include real.h.
9406         (add_to_evolution): Build constant -1 of correct type.
9407
9408 2005-08-03  Jan Hubicka  <jh@suse.cz>
9409
9410         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9411         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9412         profile updating for complette unrolling.
9413         * loop-unroll.c (peel_loop_completely): Use it.
9414         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9415         (tree_unroll_loops_completely): Disable code growing unrolling of cold
9416         loops.
9417
9418 2005-08-03  Paul Brook  <paul@codesourcery.com>
9419
9420         * combine.c (can_change_dest_mode): New function.
9421         (try_combine, simplify_set): Use it.
9422
9423 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
9424
9425         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9426         TFmode to BLKmode.
9427
9428 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
9429
9430         * doc/install.texi (Specific): Adjust link to openavr.org.
9431         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9432         (Binaries): Adjust HP-UX Porting Center link.
9433         (Binaries): Adjust Free Software Foundation ordering link.
9434
9435 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
9436
9437         * convert.c (convert_to_integer): Use fold_build1 instead of
9438         build1 when converting an integer to an integer.
9439
9440 2005-08-02  Richard Henderson  <rth@redhat.com>
9441
9442         * combine.c (combine_instructions): Don't use reg_equal/equiv
9443         results if the mode doesn't match.
9444
9445 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
9446
9447         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9448         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9449
9450 2005-08-02  Richard Henderson  <rth@redhat.com>
9451
9452         PR 23196
9453         * explow.c (memory_address): Remove special-case for
9454         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9455
9456 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
9457
9458         PR 23164
9459         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9460         number of calls to cleanup_tree_cfg_1.
9461
9462 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
9463
9464         * doc/invoke.texi: document file extensions .F90 and .F95
9465
9466 2005-08-02  Richard Guenther  <rguenther@suse.de>
9467
9468         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9469         positive if its first argument is positive.
9470
9471 2005-08-02  Richard Guenther  <rguenther@suse.de>
9472
9473         PR tree-optimization/23177
9474         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9475         on TMR_TAG.
9476
9477 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
9478
9479         PR tree-optimization/23129
9480         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9481         varying for divisions with anti-ranges.
9482
9483 2005-08-02  Jan Hubicka  <jh@suse.cz>
9484
9485         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9486         * tree-ssa-threadupdate.c (thread_block): Add it here.
9487
9488 2005-08-01  James E Wilson  <wilson@specifix.com>
9489
9490         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9491         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9492         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9493         New.
9494         * config/mips/predicates.md (const_call_insn_operand): Add check for
9495         SYMBOL_REF_LONG_CALL_P.
9496         * doc/extend.texi (long_call): Document the new attribute.
9497
9498 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9499             Richard Henderson  <rth@redhat.com>
9500
9501         * Makefile.in (RTL_BASE_H): Add real.h.
9502         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9503         instead of memcpy.
9504         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9505         directly.
9506         * rtl.c (rtl_check_failed_code_mode): New.
9507         * rtl.h (struct rtx_def): Add u.rv.
9508         (XCMWINT, XCNMPRV): New.
9509         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9510         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9511
9512 2005-08-01  Richard Henderson  <rth@redhat.com>
9513
9514         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9515         with auto-inc codes.
9516
9517         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9518
9519 2005-08-01  Jan Hubicka  <jh@suse.cz>
9520
9521         * i386-protos.h (asm_preferred_eh_data_format): Declare.
9522         * i386.c: Include dwarf2.h
9523         (asm_preferred_eh_data_format): New.
9524         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9525
9526 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9527
9528         * config/host-linux.c (linux_gt_pch_get_address): Add new name
9529         randomize_va_space for virtual address randomization control.
9530
9531 2005-08-01  Steven Bosscher  <stevenb@suse.de>
9532
9533         * common.opt (flag_ipa_cp): Put in right place to maintain
9534         alphabetic sort.
9535
9536 2005-08-01  Jan Hubicka  <jh@suse.cz>
9537
9538         * profile.c (compute_value_histograms): Fix thinko.
9539         * value-prof.c: Include toplev.h
9540         (check_counter): New function.
9541         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9542         tree_mod_subtract_transform): Add sanity check.
9543
9544 2005-08-01  Richard Guenther  <rguenther@suse.de>
9545
9546         PR tree-optimization/23133
9547         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9548         current functions parameter decls to find defs to cse
9549         reciprocals of.
9550
9551 2005-08-01  Richard Guenther  <rguenther@suse.de>
9552
9553         PR tree-optimization/23109
9554         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9555         If trapping math is in effect, use post-dominator information
9556         to check if we'd in any case reach a trapping point before
9557         doing the reciprocal insertion.
9558         (execute_cse_reciprocals): Compute post-dominators, if necessary.
9559         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9560         expressions are invariant only if trapping math is not in effect.
9561
9562 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9563
9564         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9565         cgraph_function_versioning): New declarations.
9566         * cgraphunit.c: Add include to ipa-prop.h.
9567         (update_call_expr, cgraph_copy_node_for_versioning,
9568         cgraph_function_versioning): New functions.
9569         * integrate.c (copy_decl_for_inlining): Remove.
9570         * ipa-prop.h (ipa_replace_map): New struct.
9571         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9572         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9573         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9574         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9575         ipcp_iterate_stage, ipcp_method_scale_print,
9576         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9577         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9578         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9579         ipcp_update_bb_counts, ipcp_update_profiling,
9580         ipcp_update_edges_counts): New functions.
9581         (ipcp_method_cval_init): Remove restriction regarding local methods.
9582         (ipcp_init_stage): Add ipcp_method_compute_scale.
9583         (ipcp_insert_stage): Add versioning.
9584         (ipcp_structures_print): Add ipcp_method_scale_print.
9585         (ipcp_driver): Dump profiling info.
9586         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9587         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9588         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9589         (struct inline_data): Add versioning_p, ipa_info, new fields.
9590         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9591         declare_return_variable): Replace calls to copy_decl_for_inlining with
9592         copy_decl_for_dup.
9593         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9594         versioning support.
9595         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9596         Add argument VERSIONING.
9597         (copy_arguments_for_versioning, copy_static_chain,
9598         function_versionable_p, tree_versionable_function_p,
9599         tree_function_versioning, replace_ref_tree): New functions.
9600         * tree-inline.h: Include varray.h.
9601         (tree_versionable_function_p,  tree_function_versioning,
9602         tree copy_decl_for_dup): New declarations.
9603
9604 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9605
9606         * ipa-cp.c: New file. Contains IPCP specific functionality.
9607         * ipa-prop.h: New file. Contains structures/definitions that can be
9608         used by several interprocedural data flow optimizations (and also IPCP).
9609         * ipa-prop.c: New file.
9610         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9611         * common.opt: Add ipa-cp flag.
9612         * timevar.def: Add IPCP optimization.
9613         * tree-optimize.c (init_tree_optimization_passes): Schedule
9614         pass_ipa_cp.
9615         * tree-pass.h (pass_ipa_cp): Declare.
9616
9617 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
9618
9619         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9620         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9621         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9622         config/i386/i386.c, config/mips/mips.h,
9623         config/rs6000/rs6000.h, config/sh/sh.c,
9624         config/stormy16/stormy16.c: Fix comment typos.
9625
9626 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
9627
9628         PR c/22311
9629         * c-typeck.c (build_binary_op): Use common_type wrapper on
9630         shortened types.
9631         (common_type): Update comment.
9632
9633 2005-07-31  Steven Bosscher  <stevenb@suse.de>
9634
9635         PR target/23095
9636         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9637         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9638         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9639
9640 2005-07-31  Jan Hubicka  <jh@suse.cz>
9641
9642         * pretty-print.h (pp_widest_integer): New macro.
9643         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9644         counts.
9645
9646 2005-07-31  Jan Hubicka  <jh@suse.cz>
9647
9648         * output.h (enum section_category): Export from varasm.c
9649         (categorize_decl_for_section): Likewise.
9650         * varasm.c (enum section_category): Kill.
9651         (categorize_decl_for_section): Make global.
9652         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9653         Declare.
9654         * i386.c (ix86_section_threshold): New static variable.
9655         (ix86_in_large_data_p, ix86_encode_section_info,
9656         x86_64_elf_unique_section,
9657         x86_64_elf_select_section): New functions.
9658         (TARGET_ENCODE_SECTION_INFO): Define
9659         (override_options): Enable medium model for PIC.
9660         (ix86_expand_prologue): Expand gen_set_got_rex64.
9661         (legitimate_constant_p): Handle new UNSPECs.
9662         (legitimate_pic_address_disp_p): Likewise.
9663         (legitimize_pic_address): Lower MEDIUM model addressing.
9664         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9665         (enum cmodel): Add MEDIUM_PIC.
9666         (SYMBOL_REF_FAR_ADDR_P): New macro.
9667         (SYMBOL_FLAG_FAR_ADDR): New flag.
9668         * i386.md (movdi): Support medium model.
9669         (set_got_rex64): New pattern.
9670         * i386.opt (mlarge-data-threshold): New flag.
9671         * predicates.md (zext_operand/sext_operand): Deal with medium model.
9672         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9673         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9674         TARGET_ASM_UNIQUE_SECTION): New.
9675
9676         * invoke.texi (-mlarge_data_threshold): Document
9677
9678 2005-07-31  Jan Hubicka  <jh@suse.cz>
9679
9680         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9681         (coalesce_vars): Likewise.
9682         * tree-ssa-live.c (coalesce_cost): New.
9683         (build_tree_conflict_graph): Use coalesce_cost.
9684         * tree-ssa-live.h (coalesce_cost): Declare.
9685
9686 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
9687
9688         * arm.md (all peepholes for post-increment operations): Delete.
9689         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9690         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9691         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9692         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9693         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9694
9695 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
9696
9697         * fold-const.c (tree_expr_nonnegative_p): Always return true for
9698         non-integral types.
9699
9700 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
9701
9702         PR target/22582
9703         * doc/invoke.texi: Document -rdynamic.
9704
9705 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
9706
9707         PR c/23143
9708         * c-parser.c (c_parser_parms_list_declarator): Call
9709         mark_forward_parm_decls.
9710         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9711         decls with visibility structure.
9712
9713 2005-07-30  Paul Brook  <paul@codesourcery.com>
9714
9715         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9716
9717 2005-07-30  Paul Brook  <paul@codesourcery.com>
9718
9719         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9720         prototype.
9721         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9722         value for mode.
9723         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9724
9725 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9726
9727         PR c/529
9728         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9729         nested function declarators.
9730         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9731         (grokparms): Call warn_if_shadowing for parameters used within the
9732         parameter list.
9733         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9734         not used within the parameter list.
9735         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9736
9737 2005-07-30  Jan Hubicka  <jh@suse.cz>
9738
9739         * expr.c (expand_expr_real_1): Do not load mem targets into register.
9740         * i386.c (ix86_fixup_binary_operands): Likewise.
9741         (ix86_expand_unary_operator): Likewise.
9742         (ix86_expand_fp_absneg_operator): Likewise.
9743         * optabs.c (expand_vec_cond_expr): Validate dest.
9744
9745 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9746
9747         PR c/21720
9748         * real.c (real_from_string): Also set last bit if there is a
9749         nonzero hex digit beyond GCC's internal precision after ".".
9750
9751 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
9752
9753         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9754         define_constants.  Change duplicate values to unassigned numbers.
9755         Change UNSPEC_SUBS to UNSPEC_VSUBS.
9756         (*altivec_vspltsf): New.
9757         (altivec_vperm_v4sf): Delete.
9758         (altivec_vperm_<mode>): Use mode macro V.
9759         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9760         (altivec_predicate_v4sf): Delete.
9761         (altivec_predicate_<mode>): Use mode macro V.
9762         (*altivec_lvesfx): New.
9763         (*altivec_stvesfx): New.
9764         (vec_realign_load_v4sf): Delete.
9765         (vec_realign_load_<mode>): Use mode macro V.
9766         * config/rs6000/rs6000.c (generate_set_vrsave): Use
9767         UNSPECV_SET_VRSAVE.
9768
9769 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
9770
9771         PR bootstrap/23131
9772         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9773         string.
9774         * configure: Regenerated.
9775
9776 2005-07-29  Paul Brook  <paul@codesourcery.com>
9777
9778         * doc/install.texi: Add link to GFortran binaries wiki page.
9779
9780 2005-07-29  David Ung  <davidu@mips.com>
9781
9782         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9783         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9784         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9785         * config/mips/mips.md (cpu): Add 5kf name.
9786         (includes): Includes 5k.md.
9787         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9788         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9789         -march flag.
9790
9791 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9792
9793         PR 22550
9794         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9795         (cleanup_tree_cfg): ... here.
9796         Call cleanup_tree_cfg_1 until there are no more cleanups to
9797         do.
9798
9799 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
9800
9801         * tree-vrp.c (compare_range_with_value): Return true or false
9802         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9803         EQ_EXPR respectively.
9804
9805 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
9806
9807         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9808         Fix comment typos.
9809
9810 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9811
9812         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9813         (tree_ssa_dominator_optimize): Increment it.
9814         (dump_dominator_optimization_stats): Print it.
9815
9816 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
9817             Steven Bosscher  <stevenb@suse.de>
9818
9819         PR rtl-optimization/23117
9820         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9821         when head == tail.  Tidy comment.
9822
9823 2005-07-28  Richard Henderson  <rth@redhat.com>
9824
9825         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9826         * cselib.c (rtx_equal_for_cselib_p): Likewise.
9827         * jump.c (rtx_renumbered_equal_p): Likewise.
9828         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9829         CONST_INT and CONST_DOUBLE.
9830         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9831         * reload.c (operands_match_p): Special case CONST_INT and
9832         CONST_DOUBLE; check mode earlier.
9833
9834 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9835
9836         PR c/22240
9837         * c-typeck.c (convert_for_assignment): Do not check
9838         DECL_IN_SYSTEM_HEADER on NULL fundecl.
9839
9840 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9841
9842         PR c/22192
9843         * c-typeck.c (composite_type): Prefer constant size arrays to
9844         VLAs.
9845
9846 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9847
9848         PR c/21720
9849         * real.c (real_from_string): Set last bit if there is a nonzero
9850         hex digit beyond GCC's internal precision.
9851
9852 2005-07-28  Richard Henderson  <rth@redhat.com>
9853
9854         PR rtl-opt/22619
9855         * cfgcleanup.c (try_forward_edges): Watch out for end of
9856         insn chain.
9857
9858 2005-07-28  James E Wilson  <wilson@specifixinc.com>
9859
9860         PR c/23106
9861         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9862
9863 2005-07-28  Jan Hubicka  <jh@suse.cz>
9864
9865         * Makefile.in (rtl-profile.o): Kill all traces of it.
9866         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9867         * coverage.h (rtl_coverage_counter_ref): Kill.
9868         * opts.c (flag_speculative_prefetching_set): Kill.
9869         (flag_loop_optimize_set): New.
9870         (common_handle_option): Disable loop optimizer when profiling;
9871         do not handle speculative prefetching.
9872         * passes.c (init_optimization_passes): Replace pass_profiling combo
9873         by branch_prob pass.
9874         * profile.c (compute_value_histograms): Update for simplified value
9875         profiles.
9876         (rtl_register_profile_hooks): Kill.
9877         (pass_profiling): Kill.
9878         (rest_of_handle_branch_prob): Do not profile.
9879         * toplev.c (process_options): Remove speculative prefetching.
9880         * toplev.h (flag_tree_based_profiling): Kill.
9881         * tree-profile.c (prepare_instrumented_value,
9882         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9883         tree_gen_one_value_profiler, do_tree_profiling): Update for
9884         simplified datastructures.
9885         * value-prof.c: Add comment that speculative prefetching was dropped;
9886         update rest of file for simplified datastructures.
9887         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9888         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9889         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9890         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9891         rtl_mod_subtract, gen_speculative_prefetch,
9892         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9893         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9894         (gate_handle_value_profile_transformations,
9895         rest_of_handle_value_profile_transformations,
9896         pass_value_profile_transformations): Kill.
9897         * value-prof.h (histogram_value_t): Remove IL based unions.
9898         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9899         rtl_profile_hooks): Remove hooks.
9900
9901         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9902
9903         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9904         (cgraph_clone_node): Likewise.
9905         * cgraph.h (cgraph_clone_edge): Update prototype.
9906         (cgraph_clone_node): Likewise.
9907         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9908         cgraph_clone_node.
9909         (lookup_recursive_calls): Consider profile.
9910         (cgraph_decide_recursive_inlining): Fix updating; use new
9911         probability argument; use profile.
9912         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9913         * tree-inline.c (copy_bb): Update clal of clone_edge.
9914         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9915
9916         * invoke.texi (min-inline-recursive-probability): Document.
9917
9918 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9919
9920         * doc/install.texi (Configuration): Update Valgrind homepage.
9921
9922 2005-07-28  Richard Henderson  <rth@redhat.com>
9923
9924         PR middle-end/21362
9925         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9926         labels we want to delete.
9927         (cfg_layout_merge_blocks): Likewise.
9928
9929 2005-07-28  Richard Henderson  <rth@redhat.com>
9930
9931         PR target/17692
9932         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9933         when expanding to nothing.
9934
9935 2005-07-28  Josh Conner  <jconner@apple.com>
9936
9937         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9938         (cgraph_decide_inlining_of_small_functions): Likewise.
9939
9940 2005-07-28  Josh Conner  <jconner@apple.com>
9941
9942         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9943         direction of badness if negative.
9944         (cgraph_default_inline_p): Add reason to parameters, and assign it
9945         a value.
9946         (cgraph_decide_inlining_of_small_functions): New parameter in call
9947         to cgraph_default_inline_p.
9948         (cgraph_decide_inlining_incrementally): Likewise.
9949         * cgraphunit.c (decide_is_function_needed): Likewise.
9950         * cgraph.h (cgraph_default_inline_p): Likewise.
9951
9952 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9953
9954         * builtins.c: Fix comment typo(s).
9955         * genautomata.c: Likewise.
9956         * gimplify.c: Likewise.
9957         * tree-dfa.c: Likewise.
9958         * tree-flow-inline.h: Likewise.
9959         * tree-into-ssa.c: Likewise.
9960         * tree-ssa-alias.c: Likewise.
9961         * tree-ssa-ccp.c: Likewise.
9962         * tree-ssa-copy.c: Likewise.
9963         * tree-ssa-dce.c: Likewise.
9964         * tree-ssa-dom.c: Likewise.
9965         * tree-ssa-operands.c: Likewise.
9966         * tree-tailcall.c: Likewise.
9967         * tree-vectorizer.c: Likewise.
9968         * tree-vrp.c: Likewise.
9969         * tree.c: Likewise.
9970
9971 2005-07-28  Jeff Law  <law@redhat.com>
9972
9973         * tree-vrp.c (test_for_singularity): Extracted from  ...
9974         (simplify_cond_using_ranges): Attempt to simplify a relational
9975         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9976
9977 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9978
9979         PR tree-optimization/22506
9980         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9981         phis whose argument is constant.
9982
9983 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9984
9985         PR rtl-optimization/18992
9986         Back out this patch:
9987           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9988           PR optimization/12142
9989           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9990           uses of the register in the SET_SRC.  Remove unnecessary argument.
9991
9992         Replace it with this:
9993         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9994         if flag_non_call_exceptions is set and the insn may trap, pass
9995         pc_rtx as dest for recursion.
9996         In SET_SRC part of SET case, if dest is already set, pass it down
9997         unchanged.
9998
9999 2005-07-28  Jan Hubicka  <jh@suse.cz>
10000
10001         * cfg.c (update_bb_profile_for_threading): Use RDIV.
10002         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
10003         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
10004         roundoff errors.
10005         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
10006         profile when available.
10007
10008 2005-07-28  Jan Beulich <jbeulich@novell.com>
10009
10010         * config/ia64/ia64.c (ia64_load_pair_ok): New.
10011         (ia64_print_operand): Describe and handle 'X'.
10012         (ia64_register_move_cost): Also handle FP_REGS.
10013         (ia64_preferred_reload_class): Likewise.
10014         (ia64_secondary_reload_class): Likewise.
10015         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
10016         it. Also check for ITANIUM_CLASS_FLDP.
10017         * config/ia64/ia64.h (FP_REGNO_P): New.
10018         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
10019         (reg_class): Add FP_REGS.
10020         (REG_CLASS_NAMES): Adjust for it.
10021         (REG_CLASS_CONTENTS): Likewise.
10022         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
10023         (REG_CLASS_FROM_LETTER): Handle 'x'.
10024         (CLASS_MAX_NREGS): Handle FP_REGS.
10025         (MEMORY_MOVE_COST): Likewise.
10026         * config/ia64/ia64.md (itanium_class): Add fldp.
10027         (type): Handle fldp.
10028         (movti_internal): More allowable operand combinations. Use ldfp8 when
10029         splitting unnecessary. Remove predicable attribute. Adjust
10030         itanium_class attribute.
10031         (smuldi3_highpart): Remove outdated comment.
10032         (mulditi3, umulditi3, rotlti3): New expanders.
10033         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
10034         (absti2): Disabled new insn for future reference.
10035         Respective new splitters.
10036         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
10037         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
10038         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
10039
10040 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
10041
10042         PR rtl-optimization/23047
10043         * simplify-rtx.c (simplify_const_relational_operation): Respect
10044         flag_wrapv for comparisons with ABS.
10045
10046 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
10047
10048         PR tree-optimization/22493
10049         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
10050         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
10051
10052 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
10053
10054         * config/frv/frv.opt (moptimize-membar): New.
10055
10056         * doc/invoke.texi: Document -moptimize-membar and its inverse.
10057
10058         * config/frv/frv.h: Remove machine_function definition.
10059
10060         * config/frv/frv.c (struct frv_io): New.
10061         (struct machine_function): Moved from frv.h.  Add has_membar_p.
10062         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
10063         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
10064         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
10065         (frv_optimize_membar_global, frv_optimize_membar): New functions.
10066         (frv_reorg): Call frv_optimize_membar when appropriate.
10067         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
10068         (frv_expand_builtin): Adjust calls accordingly.
10069         (frv_io_address_cookie): New function.
10070         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
10071         load or store rather than a special insn.  Add ccnstant address and
10072         io-type operands to the membar.
10073         (frv_ifcvt_modify_tests): Unsign regno.
10074         (frv_ifcvt_modify_tests): Same.
10075
10076         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
10077         UNSPEC_OPTIONAL_MEMBAR constant.
10078         (builtin_read_<mode>): Delete.
10079         (builtin_write_<mode>): Delete.
10080         ("optional_membar_<mode>"): Add operand.
10081
10082         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
10083         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
10084         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
10085         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
10086         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
10087         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
10088         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
10089         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
10090         * testsuite/gcc.target/frv/all-read-write-1.c: New.
10091
10092 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
10093
10094         * df.c (df_uses_record): Handle SCRATCH.
10095
10096 2005-07-28  Steven Bosscher  <stevenb@suse.de>
10097
10098         PR debug/20161
10099         * passes.c (rest_of_decl_compilation): If decl is a type and
10100         we have encountered errors, don't emit debug information.
10101
10102 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
10103
10104         * params.def: Fixed comment.
10105
10106 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
10107
10108         PR target/19885
10109         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
10110         (TARGET_ASM_UNALIGNED_HI_OP): Add.
10111         (TARGET_ASM_UNALIGNED_SI_OP): Add.
10112
10113 2005-07-27  Steven Bosscher  <stevenb@suse.de>
10114
10115         PR c++/22003
10116         * varasm.c (assemble_start_function): Don't do anything that may
10117         require a CFG if the current function is a thunk.
10118
10119 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
10120
10121         * doc/install.texi (Prerequisites): Mention that perl is needed
10122         to do export control in libstdc++ targetting Darwin.
10123
10124 2005-07-27  Steven Bosscher  <stevenb@suse.de>
10125
10126         PR rtl-optimization/17808
10127         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
10128         (sched_insns_conditions_mutex_p): Split out from...
10129         (add_dependence): ...here.  But don't call it from here.
10130         (add_dependence_list): Check sched_insns_conditions_mutex_p
10131         before calling add_dependence.
10132         (add_dependence_list_and_free): Likewise.
10133         (fixup_sched_groups): Likewise.
10134         (sched_analyze_1): Likewise.
10135         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
10136         (sched_analyze): Likewise.
10137         (sched_analyze_insn): Likewise.
10138         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
10139         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
10140         dependencies on all COND_EXEC insns to jumps ending basic blocks
10141         when doing intrablock scheduling.
10142         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
10143
10144 2005-07-27  Jeff Law  <law@redhat.com>
10145
10146         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
10147         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
10148         equivalency sets, correctly handle the case were vr0 has an
10149         equivalency set, but vr1 does not.
10150
10151 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
10152
10153         PR tree-optimization/23073
10154         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
10155         vect_print_dump_info before fprintf.
10156
10157 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10158
10159         PR tree-optimize/22348
10160         * tree-ssa-loop-niter.c (number_of_iterations_cond):
10161         Fold the partial computation.
10162
10163 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10164
10165         PR tree-optimization/22325
10166         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
10167         Declare.
10168         * tree-scalar-evolution.c (scev_const_prop): Add generic final
10169         value replacement.
10170         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
10171         (force_var_cost): ... this function.
10172         (compute_phi_arg_on_exit): Export.
10173
10174 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10175
10176         PR tree-optimization/20773
10177         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
10178         edge.
10179
10180 2005-07-27  Richard Guenther  <rguenther@suse.de>
10181
10182         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
10183         Avoid pushing again if current struct contains only
10184         fields we decomposed.
10185
10186 2005-07-27  Jan Hubicka  <jh@suse.cz>
10187
10188         PR tree-optimization/22574
10189         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
10190         not available.
10191
10192         * tree-tailcall.c (decrease_profile): New function.
10193         (eliminate_tail_call): Use it.
10194
10195         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
10196         visibility flags correctly in whole program mode.
10197
10198 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
10199
10200         PR rtl-optimization/22472
10201         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
10202
10203 2005-07-26  Steven Bosscher  <stevenb@suse.de>
10204
10205         PR tree-optimization/22504
10206         * tree-complex.c (expand_complex_addition): Use 'code' instead
10207         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
10208
10209 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
10210
10211         * config.gcc (cpu_type): Add frv case.
10212         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
10213         (supported_defaults): Add fr550 case.
10214
10215 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
10216
10217         PR 22591
10218         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
10219         whether a pointer of type T * may point to objects of type T *.
10220
10221 2005-07-26  DJ Delorie  <dj@redhat.com>
10222
10223         * configure: Regenerate.
10224
10225 2005-07-26  Dale Johannesen  <dalej@apple.com>
10226
10227         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
10228
10229 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
10230
10231         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
10232         Clarify use of "build" in name.
10233
10234 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
10235
10236         * doc/extend.texi (Raw read/write Functions): New section.
10237         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
10238         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
10239         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
10240         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
10241         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
10242         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
10243         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
10244         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
10245         * config/frv/frv.c: Add bdesc_loads global.
10246         Add bdesc_stores global.
10247         (frv_init_builtins): Add support for __builtin_{read/write}*.
10248         (frv_volatile_memref): New.
10249         (frv_expand_load_builtin): New.
10250         (frv_expand_store_builtin): New.
10251         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
10252         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
10253         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
10254         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
10255         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
10256         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
10257         (builtin_read_<mode>): New.
10258         (builtin_write_<mode>): New.
10259         (builtin_write64): New.
10260         (optional_membar_<mode>): New.
10261
10262 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
10263
10264         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
10265         (rather than units) against HOST_BITS_PER_WIDE_INT.
10266
10267 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
10268
10269         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
10270         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
10271         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
10272         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
10273         FSF address.
10274
10275         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
10276         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
10277         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
10278         comment typos.
10279         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
10280
10281 2005-07-26  Richard Guenther  <rguenther@suse.de>
10282
10283         PR tree-optimization/22486
10284         * fold-const.c (fold_unary): Fold away useless component
10285         references of the form (T *)&T.x, if the address
10286         doesn't change.
10287
10288 2005-07-25  James E Wilson  <wilson@specifixinc.com>
10289
10290         * dwarf2out.c (add_call_src_coords_attributes): New.
10291         (gen_inlined_subroutine_die): Call it.
10292         (maybe_emit_file, init_file_table): Add comments.
10293         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
10294         maybe_emit_file.
10295         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
10296         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
10297         * tree.h (BLOCK_SOURCE_LOCATION): New.
10298         (struct tree_block): New field locus.
10299
10300 2005-07-26  Andreas Schwab  <schwab@suse.de>
10301
10302         PR rtl-optimization/23043
10303         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
10304         when allocating a struct unoccr.
10305
10306 2005-07-25  Richard Henderson  <rth@redhat.com>
10307
10308         PR 22626
10309         * tree-complex.c (gate_no_optimization): True if errors.
10310         * Makefile.in (tree-complex.o): Update dependencies.
10311
10312 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
10313
10314         * config/frv/predicates.md (integer_register_operand): Use
10315         GPR_AP_OR_PSEUDO_P.
10316
10317 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
10318
10319         PR tree-opt/22484
10320         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
10321         after fold.
10322         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
10323
10324 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
10325
10326         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
10327         types when flag_unsafe_math_optimizations is true.
10328
10329 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
10330
10331         * gcc.c (option_map): Add --sysroot.
10332         (process_command): Handle --sysroot.
10333         (display_help): Document it.
10334         * doc/cppopts.tex (-isysroot): Document.
10335         * doc/invoke.texi (--sysroot): Document.
10336         * doc/install.texi (--with-build-sysroot): Document.
10337
10338         * Makefile.in (inhibit_libc): New variable.
10339         (INHIBIT_LIBC_CFLAGS): Likewise.
10340         (LIBGCC2_CFLAGS): Include
10341         $(INHIBIT_LIBC_CFLAGS).
10342         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
10343         ($(T)crtbegin.o): Do not use @inhibit_libc@.
10344         ($(T)crtend.o): Likewise.
10345         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
10346         ($(T)crtendS.o): Likewise.
10347         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
10348         ($(T)crtendT.o): Likewise.
10349         (stmp-fixinc): Do not complain about missing headers if
10350         inhibit_libc.
10351         * configure.ac (inhibit_libc): Set it to true/false.
10352         (--with-build-sysroot): New option.  Use it to set
10353         SYSTEM_HEADER_DIR.
10354         * configure: Regenerated.
10355
10356 2005-07-25  Manfred Hollstein  <mh@suse.com>
10357
10358         * calls.c (store_one_arg): Fix unsigned comparison warning.
10359
10360 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
10361
10362         PR other/22337
10363         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
10364         (ggc_print_statistics): Initialize variable before use.
10365
10366 2005-07-25  Richard Guenther  <rguenther@suse.de>
10367
10368         * tree-dfa.c (mark_new_vars_to_rename): Protect against
10369         calling with a PHI_NODE argument.
10370
10371         * tree-flow-inline.h (overlap_subvar): Protect against
10372         possible overflow.
10373
10374 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
10375
10376         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
10377         * configure: Regenerate.
10378
10379 2005-07-25  Ira Rosen  <irar@il.ibm.com>
10380
10381         * expr.c (highest_pow2_factor): Make extern.
10382         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
10383         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
10384         record_array_differ_p, array_ptr_differ_p): Likewise.
10385         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
10386         additional cases. Call the above functions.
10387         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
10388         base_object_differ_p when there are two base objects. Otherwise, compare
10389         base address and offset. Call may_alias_p.
10390         (dump_data_reference): Use a correct field name.
10391         (analyze_array): Make static. Initialize new data-ref fields.
10392         (analyze_indirect_ref): New function.
10393         (init_data_ref): Initialize new data-ref fields.
10394         (strip_conversion): Moved from tree-vect-analyze.c.
10395         (analyze_offset_expr, get_ptr_offset, address_analysis,
10396         object_analysis): Likewise.
10397         (analyze_offset): New function.
10398         (create_data_ref): Likewise.
10399         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10400         dimensions for ARRAY_REFs only.
10401         (build_classic_dist_vector): Make static.
10402         (access_functions_are_affine_or_constant_p): Call macro to get the
10403         address of access functions.
10404         (compute_all_dependences): Add new parameter
10405         compute_self_and_read_read_dependences. Compute self and read-read
10406         dependences if it is true.
10407         (find_data_references_in_loop): Call create_data_ref. Initialize new
10408         data-ref fields.
10409         (compute_data_dependences_for_loop): Add new parameter
10410         compute_self_and_read_read_dependences. Remove parameter nb_loops,
10411         compute nb_loops. Call compute_all_dependences,
10412         build_classic_dist_vector and build_classic_dir_vector with correct
10413         parameters.
10414         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10415         with correct parameters. Compare dimensions for ARRAY_REFs only.
10416         (free_data_refs): Call macro to free access functions.
10417         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10418         fields from stmt_vinfo.
10419         (struct base_object_info): New structure.
10420         (struct data_reference): Move fields to base_object_info. Add fields
10421         first_location and object_info for above structures. Move fields from
10422         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10423         aligned_to.  Add macros to access the new fields.
10424         Update functions declarations.
10425         * tree-flow.h (is_aliased_with): Declare.
10426         * tree-loop-linear.c (linear_transform_loops): Call
10427         compute_data_dependences_for_loop with correct parameters.
10428         * tree-ssa-alias.c (is_aliased_with): New function.
10429         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10430         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10431         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10432         vect_base_addr_differ_p, compute_subscript_distance and
10433         build_classic_dist_vector. Add printings. Check absolute value of
10434         distance.
10435         (vect_analyze_data_ref_dependences): Go through ddrs instead of
10436         data-refs.
10437         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10438         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10439         to bytes. Add printing.
10440         (vect_compute_data_refs_alignment): Go through loads and stores in one
10441         loop.
10442         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10443         vect_analyze_data_ref_access): Likewise.
10444         (vect_analyze_pointer_ref_access): Remove.
10445         (vect_address_analysis, vect_object_analysis): Likewise.
10446         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10447         and analyze data-refs in the loop.
10448         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10449         fields of data-ref instead of stmt. Add init to the offset from the
10450         base.
10451         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10452         (vect_update_init_of_dr): Likewise.
10453         (vect_update_inits_of_drs): Go through loads and stores in one loop.
10454         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10455         removed fields.
10456         (new_loop_vec_info): Initialize new fields.
10457         (destroy_loop_vec_info): Free new fields.
10458         (vect_strip_conversion): Remove.
10459         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10460         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10461         datarefs. Add new field ddrs.
10462         Add macros for the new fields access.
10463         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10464         base_aligned_p, misalignment, memtag, ptr_info and subvars.
10465         Remove their macros.
10466         * tree.h (highest_pow2_factor): Declare.
10467
10468 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
10469
10470         * calls.c (store_one_arg): Check for sibling call MEM arguments
10471         from already clobbered incoming argument area.
10472
10473 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10474
10475         * c-common.c (check_missing_format_attribute): New.
10476         * c-common.h (check_missing_format_attribute): Likewise.
10477         * c-typeck.c (convert_for_assignment): Use it.
10478
10479 2005-07-24  Andreas Schwab  <schwab@suse.de>
10480
10481         * config/m68k/m68k.md ("extendqidi2"): When source is an address
10482         register use a word move.  Correct operand of ext.w in 68000 code.
10483
10484 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
10485
10486         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10487         variables as declarations, rather than definitions.
10488
10489 2005-07-24  Ira Rosen  <irar@il.ibm.com>
10490
10491         PR tree-optimization/22526
10492         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10493         of the zero node.
10494
10495 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
10496
10497         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10498         that C99 reserve for future use. Use it to define clog10,
10499         clog10f and clog10l.
10500
10501 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10502
10503         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10504         * configure.ac: Check for -Wmissing-format-attribute.
10505
10506         * configure: Regenerate.
10507
10508 2005-07-23  Richard Henderson  <rth@redhat.com>
10509
10510         PR tree-optimization/22623
10511         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10512
10513 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
10514
10515         PR target/22577
10516         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10517
10518 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10519
10520         * Makefile.in (C_TREE_H): Update dependencies.
10521         * c-tree.h: Include toplev.h.
10522         * diagnostic.h (diagnostic_set_info): Add format attribute.
10523         * rtl-error.c (diagnostic_for_asm): Likewise.
10524
10525 2005-07-23  Chao-ying Fu  <fu@mips.com>
10526
10527         * config/mips/mips-dsp.md: New file.
10528         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10529         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10530         functions.
10531         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10532         MIPS_BUILTIN_BPOSGE32.
10533         (mips_expand_builtin_direct): Add one parameter to indicate that
10534         builtin functions need to return a value.
10535         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10536         functions.
10537         (mips_regno_to_class): Add classes for 12 new DSP registers.
10538         (mips_subword): Change to check four HI registers.
10539         (mips_output_move): Output move to and from 6 new DSP accumulators.
10540         (override_options): Make sure -mdsp and -mips16 are not used together.
10541         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
10542         for machine modes.
10543         (mips_conditional_register_usage): Disable 6 new DSP accumulators
10544         when !TARGET_DSP.
10545         (print_operand): Add 'q' for printing DSP accumulators.
10546         (mips_cannot_change_mode_class): Check ACC_REGS.
10547         (mips_secondary_reload_class): Check ACC_REGS.
10548         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10549         (mips_register_move_cost): Check ACC_REGS.
10550         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10551         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10552         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10553         (dsp_bdesc): New array.
10554         (bdesc_arrays): Add DSP builtin function table.
10555         (mips_prepare_builtin_arg): Check predicate again after
10556         copy_to_mode_reg.
10557         (mips_expand_builtin): Add one more parameter to
10558         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10559         MIPS_BUILTIN_BPOSGE32.
10560         (mips_init_builtins): Initialize new function types.
10561         (mips_expand_builtin_direct): Check if builtin functions need to
10562         return a value and pass operands properly.
10563         (mips_expand_builtin_bposge): New function.
10564         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10565         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10566         (FIRST_PSEUDO_REGISTER): Increase to 188.
10567         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10568         Update for 12 new DSP registers.
10569         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10570         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10571         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10572         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10573         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10574         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10575         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10576         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10577         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10578         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10579         (REGISTER_NAMES): Add names for 12 new DSP registers.
10580         * config/mips/mips.md: Include mips-dsp.md.
10581         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10582         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10583         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10584         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10585         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10586         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10587         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10588         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10589         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10590         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10591         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10592         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10593         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10594         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10595         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10596         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10597         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10598         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10599         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10600         (UNSPEC_RDDSP): New constants.
10601         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10602         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
10603         A<-d alternative.
10604         * config/mips/mips.opt (-mdsp): New option.
10605         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10606         (reg_imm10_operand): New predicates.
10607         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10608         * doc/invoke.texi (-mdsp): Document new option.
10609
10610 2005-07-22  DJ Delorie  <dj@redhat.com>
10611
10612         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10613         to warning calls.
10614         * tree-inline.c (inlinable_function_p): Likewise.
10615
10616 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
10617
10618         PR debug/21828
10619         * toplev.c (check_global_declarations): Do not mark undefined
10620         variables as DECL_IGNORED_P.
10621         * varasm.c (first_global_object_name): GTY it.
10622         (weak_global_object_name): Likewise.
10623         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10624         a string to go into {weak,first}_global_object_name.
10625
10626 2005-07-22  DJ Delorie  <dj@redhat.com>
10627
10628         * c-format.c (check_function_format): Change warning control
10629         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10630
10631 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
10632
10633         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10634         &PTR->FLD a dereference of PTR.
10635         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10636         a potential dereference of PTR.
10637
10638 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
10639
10640         PR rtl-optimization/20370
10641         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10642         call allocate_reg_info if necessary.
10643
10644         PR rtl-optimization/21848
10645         * calls.c (emit_library_call_value_1): For const functions, add
10646         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10647
10648         PR rtl-optimization/22445
10649         * cselib.c (target.h): Include.
10650         (rtx_equal_for_cselib_p): Allow commutative matches.
10651         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10652         Remove MODE parameter.  Changed all callers.
10653
10654         PR rtl-optimization/22258
10655         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10656         New functions.
10657         (try_combine): Use likely_spilled_retval_p.
10658
10659 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
10660
10661         * config.gcc: Add crx-elf support.
10662
10663         * doc/contrib.texi: Mention crx.
10664         * doc/extend.texi: Document crx extensions.
10665         * doc/install.texi: Document crx install.
10666         * doc/invoke.texi: Document crx options.
10667         * doc/md.texi: Document crx constraints.
10668
10669         * config/crx/crx-protos.h: New file.
10670         * config/crx/crx.c: New file.
10671         * config/crx/crx.h: New file.
10672         * config/crx/crx.md: New file.
10673         * config/crx/crx.opt: New file.
10674         * config/crx/t-crx: New file.
10675
10676 2005-07-22  Manfred Hollstein  <mh@suse.com>
10677
10678         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10679         warnings.
10680         (int_add_graph_edge): Likewise.
10681         (collapse_nodes): Likewise.
10682         (process_unification_queue): Likewise.
10683
10684 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10685             Laurent GUERBY  <laurent@guerby.net>
10686
10687         PR tree-optimization/22336
10688         * function.c (record_block_change): Check for
10689         cfun->ib_boundaries_block.
10690
10691 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
10692
10693         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10694         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10695
10696 2005-07-21  DJ Delorie  <dj@redhat.com>
10697
10698         * toplev.c (warn_deprecated_use): Add warning control to warning
10699         call.
10700         * c-typeck.c (parser_build_binary_op): Likewise.
10701         (c_finish_if_stmt): Likewise.
10702         * c-common.c (check_function_sentinel): Likewise.
10703         (check_nonnull_arg): Likewise.
10704
10705 2005-07-21  Richard Henderson  <rth@redhat.com>
10706
10707         PR tree-opt/22504
10708         * tree-complex.c (complex_ssa_name_components): New.
10709         (cvc_lookup): Allow entry not found.
10710         (create_components): Remove.
10711         (create_one_component_var, get_component_var): New.
10712         (get_component_ssa_name, set_component_ssa_name): New.
10713         (extract_component): Use get_component_ssa_name.
10714         (update_complex_components): Use set_component_ssa_name.
10715         (update_complex_components_on_edge): Likewise.
10716         (update_phi_components): Create new PHI nodes directly, instead
10717         of adding insns to edges.
10718         (tree_lower_complex): Allocate and free complex_variable_components
10719         and complex_ssa_name_components here.
10720
10721 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
10722
10723         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10724         revert to returning false.
10725
10726 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10727
10728         PR target/21149
10729         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10730
10731 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10732
10733         PR target/22576
10734         * config/i386/i386.md (cmpxf): Change operand constraints
10735         to "nonmemory_operand".
10736
10737 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10738
10739         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10740
10741 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10742
10743         PR middle-end/21180
10744         * fold-const.c (fold_build1): Add checksum for the operands.
10745         (fold_build2): Likewise.
10746         (fold_build3): Likewise.
10747
10748 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10749
10750         PR middle-end/19055
10751         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10752
10753 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10754
10755         * common.opt (-fforward-propagate): Committed by mistake,
10756         removed.
10757
10758 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10759
10760         * reg-stack.c: Fix comment typo(s).
10761         * tree-ssa-operands.c: Likewise.
10762         * tree-vectorizer: Likewise.
10763
10764 2005-07-21  Nick Clifton  <nickc@redhat.com>
10765
10766         * config/sh/symbian.c: Replace C++ style line comments with C
10767         style line comments.
10768         (symbian_add_attribute): Do not use a ? operator on the LHS of
10769         an assignment.
10770         (sh_symbian_handle_dll_attribute): Change the type of the
10771         method vector to "VEC(tree,gc)*" and use vector accessor
10772         macros to walk over the elements.
10773         (symbian_export_vtable_and_rtti_p): Likewise.
10774         (symbian_class_needs_attribute_p): Likewise.
10775
10776 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10777
10778         PR target/22085
10779         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10780         initialize targetm.resolve_overloaded_builtin here.
10781         (altivec_expand_overloaded_builtin): Make it non-static.
10782         * config/rs6000/rs6000-protos.h
10783         (altivec_expand_overloaded_builtin): New prototype.
10784         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10785         targetm.resolve_overloaded_builtin here.
10786         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10787
10788 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10789             Zdenek Dvorak  <dvorakz@suse.cz>
10790
10791         PR tree-optimization/19210
10792         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10793         New.
10794         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10795         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10796         rely on unproven assumptions.
10797         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10798         * tree-flow.h (number_of_iterations_exit): Add final parameter.
10799         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10800         to number_of_iterations_exit.
10801         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10802         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10803         * tree-ssa-loop-niter.c (find_loop_niter,
10804         estimate_numbers_of_iterations_loop): Likewise.
10805         (number_of_iterations_exit): Honor the new options.
10806         * doc/invoke.texi (Wunsafe-loop-optimizations,
10807         funsafe-loop-optimizations): Document them.
10808
10809 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
10810
10811         PR rtl-optimization/22167
10812         * gcse.c (hoist_code): Fix hoist_exprs[] check.
10813
10814 2005-07-20  Adam Nemet  <anemet@lnxw.com>
10815
10816         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10817         __do_global_dtors_aux longcall.
10818
10819 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
10820
10821         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10822         (old_special_pred_table): Don't reference
10823         SPECIAL_MODE_PREDICATES.
10824         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10825         * config/arc/arc.h: Don't mention PREDICATE_CODES.
10826         * config/sh/predicates.h: Don't mention
10827         SPECIAL_MODE_PREDICATES.
10828         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10829         Remove.
10830
10831 2005-07-20  DJ Delorie  <dj@redhat.com>
10832
10833         * config.gcc: Add m32c-elf support.
10834
10835         * doc/contrib.texi: Mention m32c.
10836         * doc/extend.texi: Document m32c extensions.
10837         * doc/install.texi: Mention m32c.
10838         * doc/invoke.texi: Document m32c options.
10839         * doc/md.texi: Document m32c constraints.
10840
10841         * config/m32c/addsub.md: New file.
10842         * config/m32c/bitops.md: New file.
10843         * config/m32c/cond.md: New file.
10844         * config/m32c/jump.md: New file.
10845         * config/m32c/m32c-lib1.S: New file.
10846         * config/m32c/m32c-lib2.c: New file.
10847         * config/m32c/m32c-modes.def: New file.
10848         * config/m32c/m32c-pragma.c: New file.
10849         * config/m32c/m32c-protos.h: New file.
10850         * config/m32c/m32c.abi: New file.
10851         * config/m32c/m32c.c: New file.
10852         * config/m32c/m32c.h: New file.
10853         * config/m32c/m32c.md: New file.
10854         * config/m32c/m32c.opt: New file.
10855         * config/m32c/minmax.md: New file.
10856         * config/m32c/mov.md: New file.
10857         * config/m32c/muldiv.md: New file.
10858         * config/m32c/predicates.md: New file.
10859         * config/m32c/prologue.md: New file.
10860         * config/m32c/shift.md: New file.
10861         * config/m32c/t-m32c: New file.
10862
10863 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10864
10865         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10866         (stack_protect_set, stack_protect_test): New expanders.
10867         (stack_protect_set_si, stack_protect_set_si_media,
10868         stack_protect_set_di_media, stack_protect_test_si,
10869         stack_protect_test_si_media, stack_protect_test_di_media):
10870         New insns.
10871
10872 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
10873
10874         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10875
10876 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
10877
10878         * tree.h (tree_expr_nonzero_p): Export.
10879         * fold-const.c (tree_expr_nonzero_p): Likewise.
10880         Return true for CALL_EXPRs that are alloca calls.
10881         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10882         against zero.
10883         * tree-flow.h (expr_computes_nonzero): Remove.
10884         * tree-vrp.c (expr_computes_nonzero): Remove.
10885         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10886         (extract_range_from_unary_expr): Likewise.
10887         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10888         tree_expr_nonzero_p.
10889
10890 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
10891
10892         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10893         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
10894         extra arg "picreg" and use it instead of pic_offset_table_rtx.
10895         All callers changed.
10896         (frame_related_constant_load): New arg "related" which controls
10897         setting of RTX_FRAME_RELATED_P.  All callers changed.
10898         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10899         (bfin_expand_prologue): Add stack limit checking.
10900         * config/bfin/bfin.md (trapifcc): New pattern.
10901
10902         * config/bfin/bfin.c: Include "langhooks.h".
10903         (def_builtin): Go through lang_hooks to call builtin_function.
10904
10905         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10906         * config/bfin/predicates.md (symbol_ref_operand): New.
10907         (call_insn_operand): Delete.  All callers changed to use
10908         register_no_elim_operand.
10909         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10910         call_cookie field.
10911         (function_arg): Use it to generate the call's operand 2.
10912         (bfin_longcall_p): New function.
10913         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10914         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10915         determine if the address needs to be in a REG.
10916         (bfin_handle_longcall_attribute): New function.
10917         (bfin_attribute_table): Add "longcall" and "shortcall".
10918         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10919         (CUMULATIVE_ARGS): New member call_cookie.
10920         (PREDICATE_CODES): Add symbol_ref_operand.
10921         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10922         extra USE to the pattern.
10923         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10924         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10925         sibcall_value_insn; now the new patterns handle direct calls and the
10926         old ones indirect calls.
10927         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10928
10929 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10930
10931         * doc/trouble.texi: Update section on handling of empty loops.
10932
10933 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10934
10935         * config.gcc: Remove support for sparc-*-openbsd*,
10936         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10937         ns32k-*-netbsd*.
10938         * config.host: Remove support for i860-*-sysv4* as a host.
10939         * config/i860/*, config/ip2k/*, config/ns32k/*,
10940         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10941         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10942         mention obsolete ports.
10943
10944 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10945
10946         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10947         soft frame pointer.
10948         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10949         of frame_pointer_rtx.
10950         (sh_expand_epilogue): Likewise.
10951         (sh_set_return_address): Likewise.
10952         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10953         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10954         offsets from FRAME_POINTER_REGNUM.
10955         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10956         (sh_register_names): Add initializer for sfp.
10957         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10958         (VALID_REGISTER_P): Likewise.
10959         (FIRST_PSEUDO_REGISTER): Update.
10960         (DWARF_FRAME_REGISTERS): Define.
10961         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10962         (HARD_FRAME_POINTER_REGNUM): Define.
10963         (FRAME_POINTER_REGNUM): Redefine.
10964         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10965         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10966         from FRAME_POINTER_REGNUM.
10967         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10968         FRAME_POINTER_REGNUM.
10969         (REG_CLASS_CONTENTS): Add sfp.
10970         (REG_ALLOC_ORDER): Likewise.
10971         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10972         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10973         of frame_pointer_rtx.
10974         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10975
10976 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10977
10978         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10979         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10980         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10981         of an ABS_EXPR.
10982         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10983         ABS_EXPR<x>.
10984
10985 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10986
10987         Make CONSTRUCTOR use VEC to store initializers.
10988         * c-common.c (complete_array_type): Update to cope with VEC in
10989         CONSTRUCTOR_ELTS.
10990         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10991         (pp_c_constructor_elts): New function.
10992         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10993         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10994         struct constructor_stack, struct initializer_stack,
10995         constructor_elements, push_init_level, pop_init_level,
10996         add_pending_init, find_init_member, output_init_element): Update to
10997         cope with VEC in CONSTRUCTOR_ELTS.
10998         * coverage.c (build_fn_info_value, build_ctr_info_value,
10999         build_gcov_info): Likewise.
11000         * expr.c (categorize_ctor_elements_1, store_constructor,
11001         expand_expr_real_1): Likewise.
11002         * fold-const.c (fold_ternary): Likewise.
11003         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
11004         gimplify_init_constructor, gimplify_expr): Likewise.
11005         * tree-dump.c (dequeue_and_dump): Likewise.
11006         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
11007         node.
11008         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
11009         CONSTRUCTOR_ELTS.
11010         * tree-sra.c (generate_element_init_1): Likewise.
11011         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
11012         * tree-ssa-operands.c (get_expr_operands): Likewise.
11013         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
11014         * tree-vect-transform.c (vect_get_vec_def_for_operand):
11015         (get_initial_def_for_reduction): Likewise.
11016         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
11017         value handle in annotations.
11018         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
11019         tree_node_structure): Add support for constr_kind.
11020         (build_vector_from_ctor, build_constructor_single,
11021         build_constructor_from_list): New functions.
11022         (build_constructor): Update to take a VEC instead of a TREE_LIST.
11023         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
11024         Update to cope with VEC in CONSTRUCTOR_ELTS.
11025         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
11026         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
11027         CONSTRUCTOR_APPEND_ELT): New macros.
11028         (struct constructor_elt, struct tree_constructor): New data types.
11029         (union tree_node): Add tree_constructor field.
11030         * treestruct.def: Define TS_CONSTRUCTOR.
11031         * varasm.c (const_hash_1, compare_constant, copy_constant,
11032         compute_reloc_for_constant, output_addressed_constants,
11033         initializer_constant_valid_p, output_constant,
11034         array_size_for_constructor, output_constructor): Update to cope with
11035         VEC in CONSTRUCTOR_ELTS.
11036         * vec.h (VEC_empty, VEC_copy): New macros.
11037
11038 2005-07-19  Devang Patel  <dpatel@apple.com>
11039
11040         * dbxout.c (dbxout_type): Check Objective-C++ lang.
11041
11042 2005-07-19  Richard Henderson  <rth@redhat.com>
11043
11044         PR tree-opt/22278
11045         * gimplify.c (gimplify_expr): Use main variant type for the temp
11046         destination for a discarded volatile read.
11047         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
11048         casts between non-void types that change volatility.
11049
11050 2005-07-15  DJ Delorie  <dj@redhat.com>
11051
11052         * toplev.h: Add comment about the first parameter for warning().
11053         * errors.h: Likewise.
11054
11055         * c.opt (Wpragmas): New.
11056         * doc/invoke.texi: Document it.
11057
11058         * function.c (do_warn_unused_parameter): Add warning control to
11059         warning call.
11060         * c-decl.c (warn_if_shadowing): Likewise.
11061         * c-lex.c (cb_def_pragma): Likewise.
11062         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
11063         (pop_alignment): Likewise.
11064         (handle_pragma_pack): Likewise.
11065         (apply_pragma_weak): Likewise.
11066         (handle_pragma_weak): Likewise.
11067         (handle_pragma_redefine_extname): Likewise.
11068         (add_to_renaming_pragma_list): Likewise.
11069         (handle_pragma_extern_prefix): Likewise.
11070         (maybe_apply_renaming_pragma): Likewise.
11071         (handle_pragma_visibility): Likewise.
11072
11073         * config/c4x/c4x-c.c (BAD): Likewise.
11074         (c4x_parse_pragma): Likewise.
11075         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
11076         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
11077         (rs6000_pragma_longcall): Likewise.
11078         * config/v850/v850-c.c (pop_data_area): Likewise.
11079         (ghs_pragma_section): Likewise.
11080         (ghs_pragma_section): Likewise.
11081         (ghs_pragma_interrupt): Likewise.
11082         (ghs_pragma_starttda): Likewise.
11083         (ghs_pragma_startsda): Likewise.
11084         (ghs_pragma_startzda): Likewise.
11085         (ghs_pragma_endtda): Likewise.
11086         (ghs_pragma_endsda): Likewise.
11087         (ghs_pragma_endzda): Likewise.
11088
11089 2005-07-19  Danny Berlin <dberlin@dberlin.org>
11090             Kenneth Zadeck <zadeck@naturalbridge.com>
11091
11092         * Makefile.in: Removed tree-promote-statics.c
11093         * tree-promote-statics.c: Removed.
11094         * common.opt: Removed flag-promote-statics.
11095         * opts.c: Ditto.
11096         * passes.c: Removed tree-promote-statics pass.
11097         * tree-pass.h: Ditto.
11098         * timevar.def: Removed TV_PROMOTE_STATICS.
11099
11100
11101 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
11102
11103         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
11104         and *-*-freebsd9.
11105         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
11106
11107 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11108
11109         PR c/22476
11110         * c-common.c (check_function_arguments): Call
11111         'check_function_format' if either -Wformat or
11112         -Wmissing-format-attribute are specified.
11113         * c-format.c (check_function_format): Check -Wformat before
11114         calling 'check_format_info'.
11115         * c-opts.c (c_common_post_options): Don't warn for
11116         -Wmissing-format-attribute without -Wformat.
11117         * c-typeck.c (convert_for_assignment): Detect additional cases for
11118         -Wmissing-format-attribute.
11119         * doc/invoke.texi (-Wmissing-format-attribute): Document new
11120         behavior.
11121
11122 2005-07-19  Richard Guenther  <rguenther@suse.de>
11123
11124         * config/i386/i386.md (lrint<mode>2): Use temporary
11125         instead of clobbering non-existent memory.
11126
11127 2005-07-19  Nick Clifton  <nickc@redhat.com>
11128
11129         * config/avr/avr.c (legitimate_address_p): Fix debugging print
11130         statement to avoid displaying ASCII control characters.
11131
11132 2005-07-19  Ben Elliston  <bje@au.ibm.com>
11133
11134         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
11135         * cfganal.c (find_edge_index): Ditto.
11136         * combine.c (combine_instructions): Ditto.
11137         * ddg.c (create_scc): Ditto.
11138         (find_successors): Ditto.
11139         (find_predecessors): Ditto.
11140         (find_nodes_on_paths): Ditto.
11141         (longest_simple_path): Ditto.
11142         * flow.c (update_life_info): Ditto.
11143         (count_or_remove_death_notes): Ditto.
11144         (clear_log_links): Ditto.
11145         * modulo-sched.c (generate_reg_moves): Ditto.
11146         (find_max_asap): Ditto.
11147         (find_max_hv_min_mob): Ditto.
11148         (find_max_dv_min_mob): Ditto.
11149         * sbitmap.c (sbitmap_first_set_bit): Ditto.
11150         * sched-rgn.c (extract_edgelst): Ditto.
11151         * tree-into-ssa.c (prepare_names_to_update): Ditto.
11152         (dump_update_ssa): Ditto.
11153         (ssa_names_to_replace) Ditto.
11154         (switch_virtuals_to_full_rewrite): Ditto.
11155         (update_ssa): Ditto.
11156         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
11157
11158 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
11159
11160         Fix PR tree-optimization/22483
11161
11162         * tree-complex.c (create_components): Use
11163         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
11164         * tree-flow-inline.h (fill_referenced_var_vec): New function.
11165         * tree-flow.h (safe_referenced_var_iterator): New structure.
11166         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
11167         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
11168         safe_referenced_var iterator.
11169         (add_type_alias): Ditto.
11170
11171 2005-07-19  Steven Bosscher  <stevenb@suse.de>
11172
11173         * loop-init.c (rest_of_handle_loop2): Remove.
11174         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
11175         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
11176         (pass_rtl_loop_init, pass_rtl_loop_done,
11177         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
11178         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
11179         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
11180         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
11181         pass_tree_loop_done, and pass_tree_unswitch.
11182         (gate_loop): Rename to gate_tree_loop.
11183         * passes.c (init_optimization_passes): Update for renamed tree
11184         loop passes.  Add the new loop2 passes as subpasses of loop2.
11185         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
11186         Update for the renamed tree loop passes.
11187
11188 2005-07-18  Ian Lance Taylor  <ian@airs.com>
11189
11190         PR middle-end/22057
11191         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
11192         blocks when optimizing.
11193
11194 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
11195
11196         * common.opt (frename-registers): Initialize to 2.
11197         (fweb): Ditto.
11198         (fgcse-after-reload): Ditto.
11199         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
11200         (process_options): Only change flag_web, flag_rename_registers,
11201         and flag_rerun_cse_after_loop if not explicitly set by user.
11202
11203 2005-07-18  Jan Beulich  <jbeulich@novell.com>
11204
11205         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
11206         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
11207         in 64-bit mode the same as DImode in 32-bit mode.
11208         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
11209         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
11210         mode. Add new mode parameter.
11211         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
11212         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
11213         x86_64_shift_adj): New expanders.
11214         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
11215         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
11216         insns.
11217         Respective new splitters. Use renamed shift splitter helpers in 32-bit
11218         DImode shift splitters.
11219         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
11220         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
11221         mode parameter.
11222
11223 2005-07-18  Jan Beulich  <jbeulich@novell.com>
11224
11225         * i386.md (movdi_extzv_1): New.
11226         (zero_extendhidi2): Combine alternatives and never force use of
11227         REX64 prefix.
11228         (zero_extendqidi2): Likewise. Don't restrict input selection.
11229
11230 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11231
11232         Fix PR tree-optimization/22531
11233         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
11234          moment.
11235
11236 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11237
11238         * tree-promote-statics.c (pass_promote_statics): Change dump file
11239          name.
11240
11241 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11242
11243         * tree-optimize.c (init_tree_optimization_passes): Add
11244         pass_eliminate_useless_stores pass.
11245         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
11246         * tree-ssa-pre.c (is_copy_stmt): New function.
11247         (follow_copies_till_vuse): Ditto.
11248         (do_eustores): Ditto.
11249         (gate_eustores): Ditto.
11250
11251 2005-07-16  Richard Henderson  <rth@redhat.com>
11252
11253         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
11254
11255 2005-07-16 Danny Berlin <dberlin@dberlin.org>
11256            Kenneth Zadeck <zadeck@naturalbridge.com>
11257
11258         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
11259         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
11260         ipa-type-escape.h, tree-promote-statics.c
11261         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
11262         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
11263         tree-promote-statics.c: new files.
11264         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
11265         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
11266         int nonlocal_set_p, mark_constant_function): Deleted.
11267         (rest_of_handle_cfg): Removed call to mark_constant_function.
11268         (nonoverlapping_component_refs_p): Added calls to support
11269         type based aliasing.
11270         * tree-ssa-alias.c (may_alias_p,
11271         compute_flow_insensitive_aliasing): Ditto.
11272         * calls.c (flags_from_decl_or_type): Removed reference to
11273         cgraph_rtl_info.
11274         * c-typeck.c (convert_arguments): Make builtins tolerant of having
11275         too many arguments.  This is necessary for Spec 2000.
11276         * cgraph.h (const_function, pure_function): Removed.
11277         * common.opt: Added "fipa-pure-const", "fipa-reference",
11278         "fipa-type-escape", and "ftree-promote-static".
11279         * opts.c: Ditto.
11280         * passes.c: Added ipa and tree-promote-statics passes.
11281         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
11282         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
11283         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
11284         * tree-flow.h: Added exposed sra calls and addition of
11285         reference_vars_info field for FUNCTION_DECLS.
11286         * tree-pass.h: Added passes.
11287         * tree-sra.c: (sra_init_cache): New function.
11288         (sra_insert_before, sra_insert_after) Made public.
11289         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
11290         and made public.
11291         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
11292         aliasing. (may_alias_p): Added code to use type escape analysis to
11293         improve alias sets.
11294         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
11295         code to prune clobbers of static variables based on information
11296         produced in ipa-reference pass.  Changed call clobbering so that
11297         statics are not marked as clobbered if the call does not clobber
11298         them.
11299
11300 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
11301
11302         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
11303         too.
11304
11305 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
11306
11307         * doc/install.texi (*-*-solaris2*): Document recommended version
11308         of GNU binutils and mention GNU linker problem on Solaris 10.
11309
11310 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
11311
11312         PR c/22421
11313         * c-decl.c (c_build_bitfield_integer_type): New function.
11314         (finish_struct): Call it.
11315         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
11316
11317 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11318
11319         * c-typeck.c (digest_init): Call 'convert_for_assignment'
11320         before returning.
11321
11322 2005-07-16  Jan Hubicka  <jh@suse.cz>
11323
11324         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
11325         (scale_bbs_frequencies_int): Watch roundoff errors.
11326         * predict.c (return_prediction): Initialize return_stmt.
11327
11328 2005-07-16  Jan Hubicka  <jh@suse.cz>
11329
11330         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
11331         after RTL profiling.
11332
11333 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
11334
11335         PR middle-end/22398
11336         * fold-const.c (build_range_check): Convert high/low to etype
11337         if we are only comparing against exp.
11338
11339 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
11340
11341         Fix PR tree-optimization/22376
11342         * tree-ssa-structalias.c (build_constraint_graph): We really meant
11343         special var here.
11344         (need_to_solve): New function.
11345         (compute_points_to_sets): Use it.
11346
11347 2005-07-15  Jan Hubicka  <jh@suse.cz>
11348
11349         * cfg.c (update_bb_profile_for_threading): More diagnostic.
11350         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
11351
11352 2005-07-15  Richard Guenther  <rguenther@suse.de>
11353
11354         * c-common.c (handle_flatten_attribute): New function.
11355         Add flatten function attribute.
11356         * doc/extend.texi: Document flatten function attribute.
11357         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
11358         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
11359         New functions.
11360         (cgraph_decide_inlining): Handle functions with flatten
11361         attribute.
11362
11363 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
11364
11365         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
11366         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
11367         UNSPEC_XCHG, UNSPEC_AND): New.
11368         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
11369         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
11370         * config/rs6000/sync.md (FETCHOP): New code macro.
11371         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
11372         New code attrs.
11373         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
11374         (sync_compare_and_swap<mode>): Same.
11375         (sync_lock_test_and_set<mode>): Same.
11376         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
11377         for QImode and HImode, and not PPC405.
11378         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
11379         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
11380         (sync_<fetchop>{si,di}_internal): New.
11381         (sync_nand{si,di}_internal): New.
11382         (sync_old_<fetchop>{si,di}_internal): New.
11383         (sync_old_nand{si,di}_internal): New
11384         (sync_new_<fetchop>{si,di}_internal): New.
11385         (sync_new_nand{si,di}_internal): New.
11386         (atomic_and{si,di}): New.
11387         (sync_new_nand{si,di}_internal): New.
11388         (atomic_and{si,di}): New.
11389         (sync_add<mode>_internal): Delete.
11390         (sync_addshort_internal): Use unspec instead of unspec_volatile.
11391         (sync_sub<mode>_internal): Delte.
11392         (sync_subshort_internal): New.
11393         (sync_andsi_internal): Use unspec instead of unspec_volatile.
11394         (sync_anddi_internal): Delete.
11395         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
11396         (sync_booldi_internal): Delete.
11397         (sync_boolc<mode>_internal): Delete.
11398         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11399         (sync_boolc<mode>_internal2): Delete.
11400         (sync_boolcc<mode>_internal): Delete.
11401         (isync, lwsync): Use unspec instead of unspec_volatile.
11402         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11403         Revert UNSPEC_VOLATILE.
11404         (rs6000_split_atomic_op): New.
11405         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11406
11407 2005-07-14  Eric Christopher  <echristo@redhat.com>
11408
11409         * config/mips/mips.c (mips_canonicalize_comparison): Cast
11410         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11411
11412 2005-07-14  Eric Christopher  <echristo@redhat.com>
11413
11414         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11415
11416 2005-07-14  Steven Bosscher  <stevenb@suse.de>
11417
11418         PR tree-optimization/22230
11419         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11420         the computation of the four cross productions for "range op range".
11421
11422 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
11423             Ulrich Weigand  <uweigand@de.ibm.com>
11424
11425         PR target/20126
11426         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11427         in some insn.
11428
11429 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
11430
11431         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11432
11433 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
11434
11435         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11436
11437 2005-07-14  Richard Guenther  <rguenther@suse.de>
11438
11439         PR middle-end/22347
11440         * config/i386/i386-protos.h (ix86_function_value): Change
11441         prototype to match new target hook.
11442         * config/i386/i386.c (ix86_value_regno): Change prototype
11443         to take extra type argument.
11444         (TARGET_FUNCTION_VALUE): Define.
11445         (ix86_function_ok_for_sibcall): Pass extra argument to
11446         ix86_value_regno, check return slot rtx for exact match.
11447         (ix86_function_value): Take extra parameter.  Dispatch to
11448         ix86_value_regno with fndecl/fntype as provided.
11449         (ix86_value_regno): Handle extra type argument.
11450         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11451
11452         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11453         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11454         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11455         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11456         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11457
11458 2005-07-14  Richard Guenther  <rguenther@suse.de>
11459
11460         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11461         * calls.c (expand_call): Pass fntype to hard_function_value.
11462         (emit_library_call_value_1): Likewise.
11463         * explow.c: Include target.h.
11464         (hard_function_value): Take extra argument, the fntype.
11465         Use new target hook for function_value.
11466         * expr.h (hard_function_value): Change prototype.
11467         * function.c (aggregate_value_p): Pass 0 as fntype to
11468         hard_function_value.
11469         (assign_parms): Use new target hook for function_value.
11470         Pass 0 as fntype to hard_function_value.
11471         (expand_function_end): Likewise.
11472         * reg-stack.c: Include target.h.
11473         (stack_result): Use new target hook for function_value.
11474         * target-def.h: New target hook function_value.
11475         * target.h: Likewise.
11476         * targhooks.c (default_function_value): New function.
11477         * targhooks.h (default_function_value): Declare.
11478
11479 2005-07-13  Ian Lance Taylor  <ian@airs.com>
11480
11481         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11482
11483 2005-07-14  Jan Hubicka  <jh@suse.cz>
11484
11485         * tree-dfa.c (dump_variable): Use default_def function.
11486         * tree-ssa-alias.c (dump_points_to_info): Likewise.
11487         * tree-ssa.c (verify_use): Likewise.
11488         * tree-ssanames.c (release_ssa_name): Likewise.
11489         * tree-tailcall.c (eliminate_tail_call): Likewise.
11490         (tree_optimize_tail_calls_1): Likewise.
11491         * tree-vrp.c (get_value_range): Likewise.
11492
11493 2005-07-14  Ben Elliston  <bje@au.ibm.com>
11494
11495         * gcc.c (main): Compare language[0] with '*' when iterating over
11496         the infiles.
11497
11498 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11499
11500         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11501         "s390_emit_compare".  Add handling of CCZ1mode.
11502         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11503         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11504         checking.
11505         (s390_branch_condition_mask): Add CCZ1mode handling.
11506         * config/s390/s390.md: ("seq", "*seq"): New pattern.
11507         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11508         Use CCZ1mode instead of CCZmode.
11509         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
11510
11511 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11512
11513         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11514         pattern.
11515         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11516
11517 2005-07-13  Eric Christopher  <echristo@redhat.com>
11518
11519         * config/mips/mips.c (mips_canonicalize_comparison): New.
11520         (mips_emit_int_relational): Use.
11521
11522 2005-07-13  Eric Christopher  <echristo@redhat.com>
11523
11524         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11525         static extra parts.
11526         * config/s390/s390.md: Include tpf.md. Move tpf specific
11527         patterns...
11528         * config/s390/tpf.md: To here.
11529         * config/s390/s390.opt: Move tpf specific options...
11530         * config/s390/tpf.opt: to here. Add mmain option.
11531         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11532         * config/s390/tpf.h: Rewrite.
11533
11534 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11535
11536         * doc/tm.texi: Remove @xref{Cross-profiling}.
11537
11538 2005-07-13  Jeff Law  <law@redhat.com>
11539
11540         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11541         expressions, test their _DECL operands for pointer equality rather
11542         than using operand_equal_p.
11543
11544 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11545
11546         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11547         (TARGET_POSIX_IO): This.
11548         * config/darwin.h: Likewise.
11549         * config/freebsd.h: Likewise.
11550         * config/linux.h: Likewise.
11551         * config/lynx.h: Likewise.
11552         * config/netbsd.h: Likewise.
11553         * config/rs6000/linux64.h: Likewise.
11554         * config/rs6000/linux.h: Likewise.
11555         * config/s390/tpf.h: Likewise.
11556         * config/sh/embed-elf.h: Likewise.
11557         * config/sparc/linux64.h: Likewise.
11558         * config/sparc/linux.h: Likewise.
11559         * config/svr4.h: Likewise.
11560         * gcov-io.h: Likewise.
11561
11562         * doc/tm.texi: Updated.
11563
11564         * libgcov.c (create_file_directory): Defined only if
11565         TARGET_POSIX_IO is defined.
11566         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11567         is defined.
11568
11569 2005-07-13  Jan Hubicka  <jh@suse.cz>
11570
11571         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11572
11573 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
11574
11575         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11576         structure as argument.
11577
11578 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
11579
11580         PR tree-optimization/21921
11581         * tree-iterator.c (tsi_link_before): Support the case when
11582         tsi_end_p (tsi) == true.
11583
11584 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11585
11586         PR tree-optimization/22442
11587         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11588         correctly.
11589
11590 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11591
11592         PR rtl-optimization/20376
11593         * toplev.c (process_options): Enable -fweb and -frename-registers when
11594         unrolling.
11595         * doc/invoke.texi: Update the information about when -fweb and
11596         -frename-registers are enabled.
11597
11598 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11599
11600         PR tree-opt/21840
11601         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11602         if *rhs_p is not a SSA_NAME.
11603
11604 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
11605
11606         Fix PR tree-optimization/22422
11607         * tree-ssa-structalias.c (struct variable_info): Add flag for
11608         special vars.
11609         (get_varinfo): Now a static function.
11610         (new_varinfo): init has_union and is_special_var to false.
11611         (solution_set_add): Check has_union.
11612         (do_da_constraint): Move temporary variable so it gets reset
11613         properly.
11614         Also check for special variable.
11615         (do_ds_constraint): Ditto.
11616         (do_sd_constraint): Ditto.
11617         (do_structure_copy): Check for special variable.
11618         (find_func_aliases): Ditto.
11619         (init_base_vars): Set special vars properly.
11620
11621 2005-07-13  Jan Hubicka  <jh@suse.cz>
11622
11623         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11624         do unit-at-a-time.
11625
11626         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11627         (get_expr_operands): Fix thinko wrt flags and subvars.
11628
11629         PR tree-optimize/22379
11630         * tree-inline.c (expand_call_inline): Do not output sorry in early
11631         inlining.
11632
11633 2005-07-12  Dale Johannesen  <dalej@apple.com>
11634
11635         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
11636
11637 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11638
11639         PR bootstrap/21704
11640         * host-linux.h: Include limits.h.
11641
11642 2005-07-12  Dale Johannesen  <dalej@apple.com>
11643
11644         * expr.c (compress_float_constant):  Add cost check.
11645         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
11646
11647 2005-07-12  Dale Johannesen  <dalej@apple.com>
11648
11649         * gcc.target/i386/compress-float-sse.c:  New.
11650         * gcc.target/i386/compress-float-sse-pic.c:  New.
11651         * gcc.target/i386/compress-float-387.c:  New.
11652         * gcc.target/i386/compress-float-387-pic.c:  New.
11653         * gcc.dg/compress-float-ppc.c:  New.
11654         * gcc.dg/compress-float-ppc-pic.c:  New.
11655
11656 2005-07-12  Eric Christopher  <echristo@redhat.com>
11657
11658         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11659         static extra parts.
11660         * config/s390/s390.md: Include tpf.md. Move tpf specific
11661         patterns...
11662         * config/s390/tpf.md: To here.
11663         * config/s390/s390.opt: Move tpf specific options...
11664         * config/s390/tpf.opt: to here. Add mmain option.
11665         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11666         * config/s390/tpf.h: Rewrite.
11667
11668 2005-07-12  Eric Christopher  <echristo@redhat.com>
11669
11670         * gcc.c (struct infile): Update comment for language.
11671         (main): Rewrite input file resetting code.
11672
11673 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11674
11675         PR tree-opt/22335
11676         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11677         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
11678         (lookup_avail_expr): Use constant_boolean_node instead
11679         of boolean_false_node/boolean_true_node.
11680
11681 2005-07-12  Ben Elliston  <bje@au.ibm.com>
11682
11683         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11684         and use it when printing num_edges.
11685
11686 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
11687
11688         * doc/extend.texi (Blackfin Built-in Functions): New section.
11689         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11690         @opindex.
11691
11692 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
11693
11694         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11695         s/cmpstrsi/cmpstrnsi
11696         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11697         'cmpstrnsi'.
11698         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11699         (init_optabs): Initialize cmpstrn_optab.
11700         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11701         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11702         * expr.c: (enum insn_code cmpstrn_optab): Declare.
11703         * config/i386/i386.md: s/cmpstr/cmpstrn
11704         * config/c4x/c4x.md: s/cmpstr/cmpstrn
11705         * doc/md.texi: Update documentation.
11706
11707 2005-07-11  Richard Henderson  <rth@redhat.com>
11708
11709         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11710         build_va_arg_indirect_ref.
11711         (alpha_gimplify_va_arg): Likewise.
11712         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11713         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11714         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11715         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11716         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11717         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11718         Likewise.
11719         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11720
11721 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11722
11723         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11724         * passes.c (init_optimization_passes): Add pass_empty_loop.
11725         * tree-pass.h (pass_empty_loop): Declare.
11726         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11727         try_remove_empty_loop, remove_empty_loops): New functions.
11728         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11729         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11730
11731 2005-07-12  Peter Barada  <peter@the-baradas.com>
11732
11733         PR middle-end/16719
11734         PR middle-end/18421
11735         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11736         in address registers.
11737         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11738         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11739         alternative of addsi3_5200.
11740
11741 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11742
11743         * config/mips/mips.md (ffs<mode>2): Remove.
11744
11745 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11746
11747         * doc/tree-ssa.texi (Cleanups): Improve description of
11748         TRY_FINALLY_EXPR.
11749         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11750
11751 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11752
11753         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11754         * tree.h (DECL_ARGUMENT_FLD): New macro.
11755
11756 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11757
11758         Fix PR tree-optimization/22404
11759
11760         * tree-ssa-structalias.c (create_variable_info_for): Use
11761         correct offset.
11762
11763 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
11764
11765         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11766         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11767         for second comparison operand.
11768         * config/bfin/predicates.md (reg_or_const_int_operand): New.
11769
11770         * config/bfin/bfin.md (define_attr "type"): Add "sync".
11771         (define_insn_reservation "alu"): Likewise.
11772         (csync, ssync): Now of type sync.
11773         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11774         -mcsync-anomaly -mspecld-anomaly.
11775         * config/bfin/bfin.opt (mcsync): Remove.
11776         (mcsync-anomaly, mspecld-anomaly): Add.
11777         * config/bfin/bfin.c: Include "insn-codes.h".
11778         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11779         (TARGET_DEFAULT_TARGET_FLAGS): New.
11780         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11781
11782 2005-07-11  Steven Bosscher  <stevenb@suse.de>
11783
11784         * basic-block.h: Give the BB flags enum a name, bb_flags.
11785         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11786         * cfgcleanup.c (enum bb_flags): Remove here.
11787         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11788         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11789         (update_forwarder_flag): Likewise.
11790         (thread_jump): Likewise.
11791         (try_forward_edges): Likewise.
11792         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
11793         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
11794         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11795
11796 2005-07-11  Richard Guenther  <rguenther@suse.de>
11797
11798         * config/i386/i386.opt: New target option -msseregparm.
11799         * config/i386/i386.c (override_options): Error out for
11800         -msseregparm but no SSE support.
11801         (ix86_function_sseregparm): Check for global sseregparm.
11802         * doc/invoke.texi: Document -msseregparm.
11803
11804 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11805
11806         * config.gcc (m32r-*-linux*): Use the default extra_parts.
11807         (m32rle-*-linux*): Ditto.
11808
11809 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
11810
11811         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11812         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11813         bytes.
11814
11815 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11816
11817         PR middle-end/22239
11818         PR target/20126
11819         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11820         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11821
11822 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
11823
11824         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11825         (varmap): Heapify varmap.
11826         (constraints): Heapify constraints.
11827         (struct constraint_graph): Heapify succs and preds.
11828         (constraint_vec_find): Update for heapification.
11829         (constraint_set_union): Ditto.
11830         (insert_into_complex): Ditto.
11831         (constraint_edge_vec_find): Ditto.
11832         (erase_graph_self_edge): Ditto.
11833         (add_graph_edge): Ditto.
11834         (get_graph_weights): Ditto.
11835         (merge_graph_nodes): Ditto.
11836         (build_constraint_graph): Ditto.
11837         (topo_visit): Ditto.
11838         (solve_graph): Ditto.
11839         (create_variable_info_for): Ditto.
11840         (init_base_vars): Ditto.
11841         (delete_points_to_sets): Free graph, varmap, and complex constraints.
11842         (condese_varmap_nodes): Free complex vector.
11843         (clear_edges_for_node): Clear succs and preds vector.
11844
11845 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11846
11847         * tree-ssa-structalias.c (update_alias_info): Change counting of
11848         references to not include vdefs.
11849
11850 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11851
11852         * tree-ssa-alias.c (free_used_part_map): Add missing free.
11853         (up_insert): Ditto.
11854
11855 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11856
11857         * pa.c (pa_commutative_p): Make PLUS commutative when
11858         TARGET_NO_SPACE_REGS is true.
11859
11860 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11861
11862         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11863         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11864         * tree-dfa.c (dump_subvars_for): New.
11865         (debug_subvars_for): New.
11866         (dump_variable): Show subvariables if VAR has them.
11867         * tree-flow-inline.h (get_subvar_at): New.
11868         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11869         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11870         Update all users.
11871         (struct subvar): Change fields offset and size to unsigned
11872         HOST_WIDE_INT.
11873         (dump_subvars_for): Declare.
11874         (debug_subvars_for): Declare.
11875         (get_subvar_at): Declare.
11876         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11877         to unsigned HOST_WIDE_INT *.
11878         (overlap_subvar): Likewise.
11879         * tree-gimple.c (is_gimple_reg): Always return false for
11880         SFTs and memory tags.
11881         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11882         Update all callers.
11883         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11884         (compute_may_aliases): Call compute_points_to_sets.
11885         (collect_points_to_info_for): Remove.
11886         (compute_points_to_and_addr_escape): Remove.
11887         (delete_alias_info): Call delete_points_to_sets.
11888         (compute_flow_sensitive_aliasing): If the call to
11889         find_what_p_points_to returns false, call set_pt_anything.
11890         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11891         (set_pt_anything): Clear pi->pt_vars.
11892         (set_pt_malloc): Remove.
11893         (merge_pointed_to_info): Remove.
11894         (add_pointed_to_expr): Remove.
11895         (add_pointed_to_var): Remove.
11896         (collect_points_to_info_r): Remove.
11897         (is_escape_site): Make extern.
11898         (create_sft): New.
11899         (create_overlap_variables_for): Call it.
11900         * tree-ssa-copy.c (merge_alias_info): Never merge
11901         flow-sensitive alias information.
11902         * tree-ssa-operands.c (get_expr_operands): Adjust variables
11903         offset and size to be unsigned HOST_WIDE_INT.
11904         (add_to_addressable_set): Rename from note_addressable.
11905         Set TREE_ADDRESSABLE as the variables are added to the set.
11906         Update all users.
11907         (add_stmt_operand): Do not try to micro-optimize unmodifiable
11908         operands into VUSEs when adding V_MAY_DEFs for members in an
11909         alias set.
11910         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11911         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11912         (struct variable_info): Add bitfield is_heap_var.
11913         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11914         (new_var_info): Initialize is_heap_var.
11915         (get_constraint_for): Add HEAP variables to the symbol table.
11916         Mark them with is_heap_var.
11917         (update_alias_info): New.  Taken mostly from the old
11918         compute_points_to_and_addr_escape.
11919         (handle_ptr_arith): New.
11920         (find_func_aliases): Call update_alias_info.
11921         Call handle_ptr_info for tcc_binary expressions.
11922         Call mark_stmt_modified.
11923         (create_variable_info_for): If DECL has subvars, do not create
11924         variables for its subvars.  Always add all the fields.
11925         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11926         SFTs, then add all the SFTs of the structure.
11927         If VI->DECL is an aggregate with subvariables, add the SFT at
11928         VI->OFFSET.
11929         (find_what_p_points_to): If VI is an artificial variable,
11930         translate to bitfields in SSA_NAME_PTR_INFO.
11931         If the solution is empty, set pi->pt_vars to NULL
11932         (init_base_vars): Create ANYOFFSET.
11933         (compute_points_to_sets): Rename from create_alias_vars.
11934         Make extern.
11935         (pass_build_pta): Remove.
11936         (delete_points_to_sets): Rename from delete_alias_vars.
11937         (pass_del_pta): Remove.
11938         * tree-ssa-structalias.h (struct alias_info): Move from
11939         tree-ssa-alias.h.
11940         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11941         NUM_REFERENCES_SET): Likewise.
11942         (compute_points_to_sets, delete_points_to_sets): Declare.
11943
11944 2005-07-09  Richard Henderson  <rth@redhat.com>
11945
11946         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11947         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11948         alpha_split_lock_test_and_set_12): New functions.
11949         * config/alpha/alpha-protos.h: Update.
11950         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11951         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11952         * config/alpha/sync.md (I12MODE): New.
11953         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11954         (sync_<fetchop_name><I48MODE>): Likewise.
11955         (sync_nand<I48MODE>): Likewise.
11956         (sync_old_<fetchop_name><I48MODE>): Likewise.
11957         (sync_new_<fetchop_name><I48MODE>): Likewise.
11958         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11959         (sync_compare_and_swap<I48MODE>): Likewise.
11960         (sync_lock_test_and_set<I48MODE>): Likewise.
11961         (sync_compare_and_swap<I12MODE>): New.
11962         (sync_compare_and_swap<I12MODE>_1): New.
11963         (sync_lock_test_and_set<I12MODE>): New.
11964         (sync_lock_test_and_set<I12MODE>_1): New.
11965
11966 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11967
11968         PR 21356
11969         PR 22332
11970         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11971
11972 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11973
11974         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11975         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11976
11977 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11978
11979         PR target/21656
11980         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11981
11982 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11983
11984         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11985         memory_operand constraint.
11986         (store_conditional_<mode>): Same.
11987         (sync_compare_and_swap<mode>): Same.
11988         (sync_lock_test_and_set<mode>): Same.
11989
11990 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11991
11992         Rewrite PIC support to more closely model actual instructions.
11993         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11994         (cris_symbol): Remove prototypes for removed functions.
11995         (cris_pic_symbol_type_of, cris_valid_pic_const)
11996         (cris_expand_pic_call_address): Prototypes for new functions.
11997         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11998         variable.
11999         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
12000         modifiers.
12001         <case ':'>: Add case for new punctuation character.
12002         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
12003         emitting (extra) PIC modifier.
12004         <case UNSPEC>: Do not assert for PLT.
12005         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
12006         (cris_expand_prologue, cris_expand_epilogue): Check
12007         for pic_offset_table_rtx usage instead of taking
12008         current_function_uses_pic_offset_table as the final word.
12009         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
12010         Remove flag_pic difference.
12011         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
12012         the moral equivalents of...
12013         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
12014         functions.
12015         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
12016         (cris_handle_option): Mark ARG as unused.
12017         (cris_expand_pic_call_address): New worker function for "call",
12018         "call_value".
12019         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
12020         output PIC constructs here.
12021         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
12022         as symbol-specific modifers, not whole or part of operands.
12023         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
12024         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
12025         constants and flag_pic.
12026         (CONSTANT_INDEX_P): Adjust for new functions.
12027         (enum cris_pic_symbol_type): New helper type.
12028         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
12029         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
12030         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
12031         define_constants.
12032         ("movsi"): Emit actual instructions for GOT and relative access.
12033         ("*movsi_got_load"): New pattern to set up the register holding
12034         the GOT pointer.
12035         ("*movsi_internal"): Operand 1 is not a plain general_operand.
12036         Adjust FIXME for 'S'.
12037         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
12038         Use "movs" for -fpic cases.
12039         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
12040         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
12041         ("call", "call_value"): Just call cris_expand_pic_call_address for
12042         PIC addresses.
12043         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
12044         Remove special pattern.
12045         ("*expanded_call_side", "*expanded_call_value_side"): New
12046         patterns.
12047         (gotplt-to-plt, gotplt-to-plt-side-call)
12048         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
12049         peephole2:s.
12050         * config/cris/cris/predicates.md
12051         ("cris_general_operand_or_gotless_symbol"): Remove unused
12052         predicate.
12053         ("cris_general_operand_or_symbol"): Adjust for new functions.
12054
12055 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12056
12057         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
12058
12059 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
12060
12061         * Makefile.in (TREE_H): Add treestruct.def.
12062         (c-decl.o): Add pointer-set.h
12063         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
12064         visibility on regular DECL's.
12065         (merge_decls): Fix the copying of decl nodes of various types for
12066         the new structures.  Don't update RTL, section name, weak status,
12067         etc, on DECL's without RTL.
12068         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
12069         Don't check volatile on non-variable types.
12070         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
12071         to check whether we have seen arguments.
12072         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
12073         flag is checked before field (flag is common, field is not).
12074         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
12075         TS_DECL_COMMON could have an origin.
12076         (add_location_or_const_value_attribute): Don't check section name
12077         on non-var/function decls.
12078         (dwarf2out_var_location): Reverse order of tests.
12079         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
12080         with DECL_WRTL_CHECK.
12081         * expmed.c (make_tree): rtl is now in decl_with_rtl.
12082         * fold-const.c (fold_binary): Don't check weakness on
12083         non-var/function decls.
12084         (tree_expr_nonzero_p): Ditto.
12085         (fold_checksum_tree): Use tree_decl_extra as sizeof
12086         buffer.
12087         * ggc-page.c (extra_order_size_table): Add sizes for
12088         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
12089         tree_field_decl.
12090         * gimplify.c (gimplify_bind_expr): Only set
12091         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
12092         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
12093         without RTL.
12094         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
12095         * langhooks.h (init_ts). New langhook.
12096         * passes.c (rest_of_decl_compilation): Reverse order of tests.
12097         * print-tree.c (print_node): Update to only print fields that
12098         exist in the structures the passed decl has.
12099         * toplev.c (wrapup_global_declarations): Don't reset
12100         DECL_DEFER_OUTPUT on DECL's that don't contain it.
12101         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
12102         * tree-inline.c (remap_decl): Ditto.
12103         * tree-outof-ssa.c (create_temp): Reverse order of tests.
12104         * tree-pretty-print.c (print_declaration): Don't print
12105         DECL_REGISTER on things that don't contain it.
12106         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
12107         non-var/function decls.
12108         * tree.c (tree_contains_struct): New structure.
12109         (init_priority_for_decl): New hashtable.
12110         (tree_int_map): New structure.
12111         (tree_int_map_eq): New function.
12112         (tree_int_map_marked_p): Ditto.
12113         (tree_int_map_hash): Ditto.
12114         (tree_map): Move to tree.h.
12115         (tree_map_eq): Externalize.
12116         (tree_map_hash): Ditto.
12117         (tree_map_marked_p): Ditto.
12118         (init_ttree): Set up tree_contains_struct and call langhook.
12119         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
12120         (tree_code_size): Update for new structures.
12121         (tree_node_structure): Update for new structures.
12122         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
12123         without the field.
12124         (copy_node_stat):  Copy init priority.
12125         (build_decl_stat): Ditto for visibility.
12126         (ts_enum_names): New.
12127         (tree_contains_struct_check_failed): New function.
12128         (decl_init_priority_lookup): Ditto.
12129         (decl_init_priority_insert): Ditto.
12130         * treestruct.def: New file.
12131         * tree.h (CODE_CONTAINS_STRUCT): New macro.
12132         (CONTAINS_STRUCT_CHECK): Ditto.
12133         (tree_contains_struct_check_failed): New prototype.
12134         (DECL_CHECK): Removed.
12135         (DECL_MINIMAL_CHECK): New.
12136         (DECL_COMMON_CHECK): Ditto.
12137         (DECL_WRTL_CHECK): Ditto.
12138         (DECL_NON_COMMON_CHECK): Ditto.
12139         (DECL_WITH_VIS_CHECK): Ditto.
12140         (VAR_OR_FUNCTION_DECL_P): Ditto
12141         (struct tree_decl_minimal): New structure.
12142         (struct tree_decl_common): Ditto.
12143         (struct tree_decl_with_rtl): Ditto.
12144         (struct tree_decl_with_vis): Ditto.
12145         (struct tree_decl_non_common): Ditto.
12146         (struct tree_field_decl): Ditto.
12147         (struct tree_parm_decl): Ditto.
12148         (struct tree_var_decl): Ditto.
12149         (struct tree_function_decl): Ditto.
12150         (struct tree_const_decl): Ditto.
12151         (struct tree_result_decl): Ditto.
12152         (union tree_node): Add new structures.
12153         * var-tracking.c (track_expr_p): Reverse order of tests.
12154
12155         * doc/c-tree.texi: Add documentation on DECL node internal structure.
12156
12157 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
12158
12159         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
12160         * system.h: Poison FINALIZE_PIC.
12161         * doc/tm.texi (FINALIZE_PIC): Remove.
12162
12163 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12164
12165         PR tree-opt/22329
12166         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
12167         to the correct type if we have a MODIFY_EXPR.
12168
12169 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
12170
12171         PR tree-optimization/22360
12172         * tree.c (upper_bound_in_type): Fix calculations for casting
12173         to a non-wider signed type and casting a signed value to a
12174         wider unsigned type.
12175         (lower_bound_in_type): Fix calculations for casting to a
12176         non-wider signed type.
12177
12178         PR tree-optimization/20139
12179         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
12180         release_defs.
12181         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
12182         fold_cond_expr_cond.
12183         * tree-ssanames.c (release_defs): Assert in_ssa_p.
12184         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
12185
12186 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12187
12188         PR tree-opt/22356
12189         * tree-complex.c (expand_complex_libcall): Produce
12190         REALPART_EXPR/IMAGPART_EXPR with the correct type.
12191
12192 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
12193
12194         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
12195         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
12196         b" assert and inserted fastpath code for this case.
12197         (bitmap_ior): Removed "a != b" assert.
12198
12199 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12200
12201         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
12202         (ENDFILE_SPEC): Likewise.
12203         * config/m32r/m32r.h (ASM_SPEC): Likewise.
12204
12205         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
12206         a large stack frame at epilogue.
12207
12208 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
12209
12210         * final.c: Include sdbout.h when required.
12211
12212 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
12213
12214         * config.gcc (*-*-darwin*): Only one target-specific header file
12215         for generic darwin.
12216         (powerpc-*-darwin*): Add version-specific header files.
12217         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
12218         * config.in: Regenerate.
12219         * configure: Regenerate.
12220         * gcc.c: Include xregex.h.
12221         (version_compare_spec_function): New.
12222         (spec_function): Add version-compare.
12223         (replace_outfile_spec_function): Reformat comment.
12224         (compare_version_strings): New.
12225         * config/darwin-c.c (version_as_macro): New.
12226         (builtin_define): New.
12227         (darwin_cpp_builtins): New.
12228         * config/darwin-protos.h (darwin_cpp_builtins): New.
12229         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
12230         (LIB_SPEC): Make unconditional, update comment.
12231         (TARGET_C99_FUNCTIONS): Define.
12232         * config/darwin.opt: Sort.
12233         (mmacosx-version-min=): New.
12234         * config/darwin7.h: Delete.
12235         * config/darwin8.h: Delete.
12236         * config/i386/darwin.h (): Call darwin_cpp_builtins.
12237         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
12238         (TARGET_C99_FUNCTIONS): Define.
12239         * config/rs6000/darwin7.h: New.
12240         * config/rs6000/darwin8.h: New.
12241         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
12242         (-mmacosx-version-min): Document.
12243
12244 2005-07-07  Ian Lance Taylor  <ian@airs.com>
12245
12246         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
12247
12248 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
12249
12250         PR middle-end/22239
12251         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
12252
12253 2005-07-07  Khem Raj  <kraj@mvista.com>
12254
12255         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
12256         in bytes, not words.
12257
12258 2005-07-07  Paul Brook  <paul@codesourcery.com>
12259
12260         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
12261         DEFAULT_FUNCTION_ARG_PADDING to upward.
12262
12263 2005-07-07  Richard Henderson  <rth@redhat.com>
12264
12265         * function.c (locate_and_pad_parm): Record parameter alignment in
12266         stack_alignment_needed.
12267
12268 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
12269
12270         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
12271         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
12272         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
12273         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
12274         (define_attr "type"): Add isync, sync, load_l, store_c.
12275         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
12276         Create scratch volatile MEM.
12277         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
12278         sync.
12279         (load_locked_<mode>): New.
12280         (store_conditional_<mode>): New.
12281         (sync_compare_and_swap<mode>): Replace with splitter.
12282         (sync_lock_test_and_set<mode>): Replace with splitter.
12283         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
12284         and UNSPECV_ISYNC.
12285         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
12286         is ics.  Attribute isync.
12287         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
12288         lwsync.
12289         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
12290         and UNSPECV_SYNC_OP.
12291         (emit_unlikely_jump): New.
12292         (emit_load_locked): New.
12293         (emit_store_conditional): New.
12294         (rs6000_split_compare_and_swap): New.
12295         (rs6000_split_lock_test_and_set): New.
12296         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
12297         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
12298         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
12299         rs6000_split_lock_test_and_set): Declare.
12300         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
12301         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
12302         store_c, isync, sync.
12303
12304 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
12305
12306         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
12307         filenames to gtyp-gen.h.
12308         (s-typ-gen): Use it in place of for loops.
12309
12310 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
12311
12312         * hooks.c (hook_bool_rtx_int_false): New function.
12313         * hooks.h (hook_bool_rtx_int_false): Declare.
12314         * target-def.h (TARGET_COMMUTATIVE_P): Define.
12315         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
12316         * target.h (struct gcc_target): Add commutative_p member.
12317         * targhooks.c (hook_bool_rtx_commutative_p): New function.
12318         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
12319         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
12320         (pa_commutative_p): New function.
12321         * jump.c (target.h): Include.
12322         (rtx_renumbered_equal_p): Use targetm.commutative_p.
12323         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
12324
12325 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12326
12327         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
12328         (s390_expand_setmem): New.
12329         * config/s390/s390.c: Likewise.
12330         (print_shift_count_operand): Truncate to 12 bits instead of 6.
12331         Adapt comments.
12332         * config/s390/s390.md: ("setmem<mode>"): Accept character as
12333         general_operand.  Call new function "s390_expand_setmem".
12334         ("clrmem_long", "*clrmem_long"): Rewrite to ...
12335         ("setmem_long", "*setmem_long"): ... this.
12336
12337 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12338
12339         * config/s390/s390.c: (optimization_options): Enable
12340         TARGET_MVCLE at -Os.
12341         * doc/invoke.texi: Document changes in default behaviour.
12342         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
12343
12344 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12345
12346         * expr.c: (set_storage_via_setmem): Convert opchar to mode
12347         defined by back-end.
12348
12349 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
12350
12351         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
12352         all sets in the pattern.
12353         * config/rs6000/rs6000.md (stack_protect_testsi,
12354         stack_protect_testdi): Likewise.
12355
12356 2005-07-06  Jeff Law  <law@redhat.com>
12357
12358         * tree-vrp.c (simplify_using_ranges): Kill.
12359         (vrp_finalize): Remove call to simplify_using_ranges.
12360         (simplify_stmt_using_ranges): New function extracted from
12361         simplify_using_ranges.
12362         (simplify_div_or_mod_using_ranges): Likewise.
12363         (simplify_abs_using_ranges): Likewise.
12364         (simplify_cond_using_ranges): New function.
12365         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
12366         * tree-ssa-propagate.c (substitute_and_fold): Call
12367         simplify_stmt_using_ranges if we have range information.
12368
12369 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
12370
12371         * config/ia64/ia64.c (ia64_reorg): Check optimize before
12372         ia64_flag_schedule_isns2.
12373
12374         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
12375         reading/writing general registers.
12376         (ia64_function_arg): Revert 2005-06-18 change.
12377
12378 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
12379
12380         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
12381         (legitimize_tls_address): Use gcc_unreachable instead of abort.
12382
12383 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
12384
12385         * function.c (expand_function_end): Revert part of 2005-06-27
12386         patch.  Do sjlj_emit_function_exit_after after return_label.
12387
12388 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12389
12390         * doc/install.texi (--disable-libssp): New.
12391
12392 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
12393
12394         * doc/invoke.texi: Update -fforce-mem documentation.
12395         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
12396         code for -fforce-mem.
12397         * expmed.c: (store_bit_field,store_fixed_bit_field,
12398         extract_bit_field): Ditto.
12399         * expr.c: (convert_move): Ditto.
12400         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12401         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12402         emit_conditional_add,expand_float,expand_fix): Ditto.
12403         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
12404         (common_handle_option): Issue warning when -fforce-mem specified.
12405
12406 2005-07-06  Paul Brook  <paul@codesourcery.com>
12407
12408         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12409         argument is empty.
12410         * configure: Regenerate.
12411
12412 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
12413
12414         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12415
12416 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
12417
12418         Fix PR tree-optimization/22319
12419         Fix PR tree-optimization/22140
12420         Fix PR tree-optimization/22310
12421
12422         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12423         variable sized types.
12424         Use correct type for intermediate structure on *a = *b structure
12425         copies.
12426
12427 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12428
12429         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12430         Remove.
12431         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12432         (machine_function): Move typedef to...
12433         * config/rs6000/rs6000.c (machine_function): ... here.  Add
12434         varargs_save_offset field.
12435         (rs6000_stack_t): Remove varargs_size field.
12436         (setup_incoming_varargs): Allocate varargs save area using
12437         assign_stack_local, try to make it as small as possible.
12438         Save offset from virtual_stack_vars_rtx to the save area
12439         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
12440         instead of magic 8 when fp word byte size is used.
12441         (rs6000_va_start): Use cfun->machine->varargs_save_offset
12442         instead of -RS6000_VARARGS_SIZE.
12443         (rs6000_stack_info, debug_stack_info,
12444         rs6000_initial_elimination_offset): Remove all traces of
12445         varargs_size.
12446         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12447         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12448         RS6000_VARARGS_AREA.
12449
12450 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
12451
12452         PR tree-optimization/21963
12453         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12454         constant_multiple_of in the same way get_computation_cost_at does.
12455
12456 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12457
12458         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12459         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12460         (gen_compare_reg): If sparc_compare_emitted is set, clear it
12461         and return its previous value.
12462         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12463         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12464         constants.
12465         (stack_protect_set, stack_protect_test): New expanders.
12466         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12467         stack_protect_testdi): New insns.
12468         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12469         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12470
12471 2005-07-06  Jeff Law  <law@redhat.com>
12472
12473         * tree-ssa-dce.c (cfg_altered): New global.
12474         (tree_dce_init): Initialize cfg_altered.
12475         (remove_dead_stmt): If we remove an edge in the CFG, then set
12476         CFG_ALTERED.
12477         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12478         the dominators.
12479
12480 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12481
12482         * Makefile.in (stamp-collect-ld): Use
12483         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
12484         ./collect-ld if it already exists.
12485         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12486         Don't remove ./nm if it already exists.
12487
12488 2005-07-05  Devang Patel  <dpatel@apple.com>
12489
12490         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12491         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12492         * tree-vectorizer.c (vect_loop_location): New.
12493         (vect_print_dump_info): Use vect_loop_location.
12494         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12495         (vectorize_loops): Set vect_loop_location.
12496         * tree-vect-analyze.c (vect_analyze_offset_expr,
12497         vect_determin_vectorization_factor, vect_analyze_operations,
12498         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12499         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12500         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12501         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12502         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12503         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12504         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12505         vect_analyze_loop): Adjust vect_print_dump_info API.
12506         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12507         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12508         vect_finish_stmt_generation, vectorizable_assignment,
12509         vectorizable_operation, vectorizable_store, vectorizable_load,
12510         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12511         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12512         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12513         vect_transform_loop): Same.
12514         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12515         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12516         Same.
12517
12518 2005-07-05  Randolph Chung  <tausq@debian.org>
12519
12520         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12521         * configure: Regenerate.
12522         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12523         (pa_tls_referenced_p): Declare.
12524         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12525         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12526         (legitimize_tls_address): New.
12527         (hppa_legitimize_address): Handle TLS addresses.
12528         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12529         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12530         (emit_move_sequence): Handle TLS addresses.
12531         (pa_encode_section_info): Call default handler to handle common
12532         sections.
12533         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12534         (CONSTANT_ADDRESS_P): Reject TLS operands.
12535         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12536         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12537         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12538         (UNSPEC_TLSLE): Define new constants.
12539         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12540         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12541         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12542         (tie_symbolic_operand, tle_symbolic_operand): New
12543
12544 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
12545
12546         * aclocal.m4: Update macros for autoconf 2.59 style.
12547         * configure.ac: Likewise.
12548
12549 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12550
12551         * pa.c (function_value): Handle small aggregates on 32-bit targets.
12552         (function_arg): Pass small aggregates in general registers on 32-bit
12553         targets.
12554         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12555
12556 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
12557
12558         * Makefile.in (final.o): Fix dependencies.
12559
12560 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12561
12562         PR c/22013
12563         PR c/22098
12564         * langhooks.h (struct lang_hooks): Add expr_to_decl.
12565         * langhooks.c (lhd_expr_to_decl): New.
12566         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12567         New.
12568         (LANG_HOOKS_INITIALIZER): Update.
12569         * tree.c (recompute_tree_invarant_for_addr_expr): Call
12570         expr_to_decl langhook.
12571         * c-tree.h (c_expr_to_decl): Declare.
12572         * c-typeck.c (c_expr_to_decl): New.
12573         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12574         specially.
12575         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12576
12577 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12578
12579         PR c/22308
12580         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12581         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12582
12583 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
12584
12585         * Makefile.in: Adjust dependencies.
12586         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12587         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12588         * alias.c (rest_of_handle_cfg, pass_cfg): New.
12589         * bb-reorder.c (duplicate_computed_gotos): Make it static.
12590         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12591         rest_of_compilation.
12592
12593         * bb-reorder.c (gate_duplicate_computed_gotos,
12594         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12595         rest_of_handle_reorder_blocks, pass_reorder_blocks,
12596         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12597         pass_partition_blocks): New.
12598         * bt-load.c (gate_handle_branch_target_load_optimize,
12599         rest_of_handle_branch_target_load_optimize,
12600         pass_branch_target_load_optimize): New.
12601         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12602         pass_jump2): New.
12603         * cfglayout.c (pass_insn_locators_initialize): New.
12604         * cfgrtl.c (pass_free_cfg): New.
12605         * combine.c (gate_handle_combine, rest_of_handle_combine,
12606         pass_combine): New.
12607         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12608         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12609         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12610         * except.c (pass_set_nothrow_function_flags,
12611         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12612         pass_rtl_eh): New.
12613         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12614         rest_of_handle_shorten_branches, pass_shorten_branches,
12615         rest_of_clean_state, pass_clean_state): New.
12616         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12617         rest_of_handle_remove_death_notes, pass_remove_death_notes,
12618         rest_of_handle_life, pass_life, rest_of_handle_flow2,
12619         pass_flow2): New.
12620         * function.c (pass_instantiate_virtual_regs, pass_init_function,
12621         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12622         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12623         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12624         pass_gcse): New.
12625         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12626         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12627         pass_rtl_ifcvt, gate_handle_if_after_combine,
12628         rest_of_handle_if_after_combine, pass_if_after_combine,
12629         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12630         pass_if_after_reload): New.
12631         * integrate.c (pass_initial_value_sets): New.
12632         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12633         pass_purge_lineno_notes): New.
12634         * mode-switching.c (rest_of_handle_mode_switching,
12635         pass_mode_switching): New.
12636         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12637         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12638         pass_loop2): New.
12639         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12640         pass_loop_optimize): New.
12641         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12642         pass_sms): New.
12643         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12644         pass_gcse2): New.
12645         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12646         pass_postreload_cse): New.
12647         * profile.c (gate_handle_profiling, pass_profiling,
12648         rest_of_handle_branch_prob, pass_branch_prob): New.
12649         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12650         pass_split_before_regstack, gate_handle_split_before_regstack,
12651         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12652         rest_of_handle_split_all_insns, pass_split_all_insns): New.
12653         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12654         pass_stack_regs): New.
12655         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12656         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12657         pass_stack_adjustments): New.
12658         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12659         pass_regrename): New.
12660         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12661         pass_delay_slots, gate_handle_machine_reorg,
12662         rest_of_handle_machine_reorg, pass_machine_reorg): New.
12663         * rtl.h (extern void purge_line_number_notes): New.
12664         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12665         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12666         pass_sched2): New.
12667         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12668         pass_tracer): New.
12669         * value-prof.c (gate_handle_value_profile_transformations,
12670         rest_of_handle_value_profile_transformations,
12671         pass_value_profile_transformations): New.
12672         * var-tracking.c (gate_handle_var_tracking,
12673         pass_variable_tracking): New.
12674         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12675
12676         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12677         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12678         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12679         rest_of_handle_old_regalloc, rest_of_handle_regrename,
12680         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12681         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12682         rest_of_handle_gcse2, rest_of_handle_regmove,
12683         rest_of_handle_tracer, rest_of_handle_if_conversion,
12684         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12685         rest_of_handle_web, rest_of_handle_branch_prob,
12686         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12687         rest_of_handle_jump_bypass, rest_of_handle_combine,
12688         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12689         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12690         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12691         rest_of_handle_mode_switching, rest_of_handle_jump,
12692         rest_of_handle_eh, rest_of_handle_stack_adjustments,
12693         rest_of_handle_flow2, rest_of_handle_jump2,
12694         rest_of_handle_peephole2, rest_of_handle_postreload,
12695         rest_of_handle_shorten_branches, rest_of_clean_state,
12696         rest_of_compilation): Remove.
12697
12698         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12699         * passes.c (dump_flags, in_gimple_form, all_passes,
12700         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12701         register_dump_files, next_pass_1, last_verified, execute_todo,
12702         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12703         from tree-optimize.c.
12704         (init_optimization_passes): Moved from tree-optimize.c,
12705         adding the RTL optimizations.
12706         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12707         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12708         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12709         register_dump_files, next_pass_1, last_verified, execute_todo,
12710         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12711         init_tree_optimization_passes, ipa_passes): Delete.
12712         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12713         the RTL dumps.
12714         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12715         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12716         from tree.h.
12717         (ipa_passes): Remove.
12718         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12719         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12720         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12721         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12722         (dump_info_p, dump_flag): Moved to tree-dump.h.
12723
12724         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12725         cgraph.c, opts.c.
12726         * passes.c (finish_optimization_passes): Use dump_begin
12727         and dump_end, TDI_end.
12728         (gate_rest_of_compilation): New.
12729         (pass_rest_of_compilation): Use it.
12730         (gate_postreload, pass_postreload): New.
12731         * toplev.c (general_init): Rename init_tree_optimization_passes.
12732         * toplev.h (init_tree_optimization_passes): Rename to
12733         init_optimizations_passes.
12734         * tree-dump.c (dump_flag): Make static.
12735         (dump_files): Remove RTL dumps.
12736         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12737         pass_cleanup_cfg, pass_free_cfg_annotations,
12738         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12739         pass_init_datastructures, pass_fixup_cfg): Make non-static.
12740         * tree-pretty-print.c: Include tree-pass.h.
12741         * cgraph.c: Include tree-dump.h.
12742
12743 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12744
12745         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12746         Only fall back to saying it points to readonly memory if
12747         we can't do better.
12748
12749 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
12750
12751         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12752         * config/m32r/m32r.c (m32r_compute_frame_size,
12753         m32r_expand_prologue): Take current_function_profile into
12754         account whenever we reference
12755         current_function_uses_pic_offset_table.
12756         (m32r_finalize_pic): Remove.
12757         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12758
12759 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
12760
12761         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12762         instead of $<.  Don't remove ./as if it already exists.
12763
12764 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12765
12766         PR target/21723
12767         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12768         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12769         for complex modes when generating code for PA 1.0.
12770         (VALID_FP_MODE_P): New macro.
12771         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12772         sets for all general and floating point modes.  Align wide floating
12773         point modes to even register boundaries to comply with architectural
12774         requirements.
12775         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12776         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12777         (VALID_FP_MODE_P): New macro.
12778         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12779         sets for all general and floating point modes.  Align wide floating
12780         point modes to even register boundaries to comply with architectural
12781         requirements.
12782
12783 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12784
12785         * tree-dump.c (dump_files): Initialize dump number for .cgraph
12786         to 0.
12787
12788 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12789
12790         * tree-ssa-structalias.c: Don't include expr.h.
12791
12792 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12793
12794         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12795         comments.
12796
12797 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12798
12799         Fix PR tree-optimization/22279
12800
12801         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12802         correct operator.
12803
12804 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
12805
12806         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12807
12808 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12809
12810         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12811         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12812         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12813         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12814         config/stormy16/stormy16.c, config/v850/v850.c,
12815         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12816         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12817         Avoid "." or "\n" at end of diagnostics and capital letters at
12818         start of diagnostics.
12819         * combine.c, cse.c: Don't translate dump file output.
12820         * toplev.c (print_version): Only translate output if going to
12821         stderr.
12822
12823 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12824
12825         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12826         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12827         typos.
12828
12829 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12830
12831         * pa.c (fix_range): Fix typo in comment.
12832
12833 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12834
12835         * tree-vrp.c (extract_range_from_assert): Replace
12836         fold (build (...)) with fold_build2.
12837
12838 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12839
12840         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12841         gcc_gfc_char_table, init_dynamic_gfc_info): New.
12842         (format_types_orig, handle_format_attribute): Add support for
12843         format "gcc_gfc".
12844
12845 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12846
12847         * varasm.c (assemble_variable): Fix format specifier thinko.
12848
12849 2005-07-03  Ira Rosen  <irar@il.ibm.com>
12850
12851         PR tree-optimization/22029 (and 22135)
12852         * tree-pretty-print.c (dump_generic_node): Check that the node is not
12853         a phi node before calling dump_vops.
12854
12855 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12856
12857         * tree-dump.h (dump_string_field): Declare.
12858         * tree-dump.c: Use it instead of dump_string.
12859         (dump_string_field): Make non-static.
12860
12861 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12862
12863         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12864         up the minimal CFG stuff always when optimize > 0.  Call
12865         split_all_insns_noflow in PIC case if needed.
12866
12867 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12868             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12869
12870         PR c++/18279
12871         * c-decl.c (c_write_global_declarations): Dump contents of
12872         external scope to.
12873         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12874         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12875         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12876         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12877         is enabled.
12878
12879 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12880
12881         * c-common.h (GCC_DIAG_STYLE): Define.
12882         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
12883         version for format checking to 4.1.
12884         * c-format.c: Include toplev.h after c-common.h.
12885         (enum format_type): Add gcc_tdiag_format_type.
12886         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12887         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12888         (format_types_orig): Add gcc_tdiag.
12889         (init_dynamic_diag_info): Support gcc_tdiag formats.
12890         (handle_format_attribute): Likewise.
12891         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12892         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
12893         version for format checking to 4.1.
12894         (warning0, warning, error, pedwarn, sorry): Use
12895         ATTRIBUTE_GCC_DIAG.
12896         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12897         (finish_aliases_1): Do not use %qE.
12898         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12899         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12900         Correct format bugs.
12901         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12902         parameter to unsigned HOST_WIDE_INT.
12903         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12904
12905 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
12906
12907         PR middle-end/21742
12908         * expr.c (write_complex_part): Use adjust_address for MEM.
12909         (read_complex_part): Same.
12910
12911 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12912
12913         Fix PR tree-optimization/22280
12914
12915         * tree-sra.c (generate_element_init): Remove useless loop.
12916
12917 2005-07-02  Richard Henderson  <rth@redhat.com>
12918
12919         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12920         TLS_MODEL_NONE.
12921         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12922
12923 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12924
12925         PR middle-end/14490
12926         * fold-const.c (fold_binary): Handle the return value of
12927         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12928         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12929
12930 2005-07-02  Jeff Law  <law@redhat.com>
12931
12932         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12933         a eliminate type conversion which feeds an equality comparison
12934         if the original type or either operand in the comparison is a
12935         function pointer.
12936
12937 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12938
12939         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12940         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12941         texts.
12942         * config/avr/avr.c: Do not use '`' as left quote.
12943         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12944         Remove "." from end of diagnostics.  Make diagnostics start with
12945         lowercase letter.
12946
12947 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12948             Joseph S. Myers  <joseph@codesourcery.com>
12949
12950         * toplev.c (default_tree_printer): Handle setting location with
12951         '+' flag.
12952         * c-objc.common.c (c_tree_printer): Likewise.
12953         * c-format.c (gcc_diag_flag_specs): Add '+'.
12954         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12955         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12956         formats.
12957         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12958         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12959         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12960         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12961         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12962         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12963         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12964         format arguments where %J is used without %D.
12965
12966 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12967
12968         * gcc.c (LINK_SSP_SPEC): Define.
12969         (link_ssp_spec): New variable.
12970         (LINK_COMMAND_SPEC): Add %(link_ssp).
12971         (static_specs): Add link_ssp_spec.
12972         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12973         * configure: Rebuilt.
12974         * config.in: Rebuilt.
12975
12976         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12977         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12978         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12979         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12980         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12981         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12982         -0x7008(2) instead of reading __stack_chk_guard variable.
12983         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12984         number.
12985         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12986         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12987         if TARGET_THREAD_SSP_OFFSET is defined.
12988         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12989         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12990
12991         Revert:
12992         2005-06-27  Richard Henderson  <rth@redhat.com>
12993         * libgcc-std.ver (GCC_4.1.0): New.
12994         * libgcc.h (__stack_chk_guard): Declare.
12995         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12996         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12997         * mklibgcc.in (lib2funcs): Add them.
12998
12999 2005-07-01  Richard Henderson  <rth@redhat.com>
13000
13001         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
13002         void * before struct sigcontext *.
13003         (x86_fallback_frame_state): Likewise.
13004
13005 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
13006
13007         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
13008
13009 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
13010
13011         PR tree-opt/22269
13012         * tree-ssa-reassoc.c (should_transpose): Fix which operand
13013         we check for SSA_NAME for.
13014
13015 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
13016
13017         Fix PR tree-optimization/22071
13018
13019         * tree-ssa-structalias.c (offset_overlaps_with_access): New
13020         function.
13021         (get_constraint_for_component_ref): Use it.
13022
13023 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
13024
13025         PR other/22264
13026         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
13027         print out the last new line.
13028
13029 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
13030
13031         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
13032         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
13033         * config/cris/cris.c (cris_conditional_register_usage): Adjust
13034         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
13035         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
13036         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
13037         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
13038         (enum reg_class): New member CC0_REGS.
13039         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
13040         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
13041         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
13042         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
13043         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
13044         Adjust for register now described.
13045
13046 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
13047
13048         PR target/22262
13049         * config/i386/i386.md (stack_protect_test_si,
13050         stack_protect_test_di): Add earlyclobber for scratch 3.
13051         * config/rs6000/rs6000.md (stack_protect_testsi,
13052         stack_protect_testdi): Add earlyclobber for scratch 3,
13053         remove earlyclobber from scratch 4.
13054
13055 Older entries for 2005 can be found in ChangeLog-2005.