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1 2005-12-29  Mike Stump  <mrs@apple.com>
2
3         * doc/invoke.texi (Objective-C and Objective-C++ Dialect Options
4         -fobjc-exceptions): Don't imply this doesn't work with the GNU
5         runtime.
6
7 2005-12-29  Nathan Sidwell  <nathan@codesourcery.com>
8
9         * varasm.c (get_section): Use gcc_assert.
10
11 2005-12-29  Paul Brook  <paul@codesourcery.com>
12
13         * config/m68k/m68k.h (RETURN_ADDR_RTX): Define.
14         * config/m68k/m68k.c (m68k_initial_elimination_offset): Remove FIXME.
15         Include offset due to FIRST_PARM_OFFSET.
16
17 2005-12-29  Paul Brook  <paul@codesourcery.com>
18
19         * config/m68k/lb1sf68.asm (__cmpdf2): Fix typo in immediate mask.
20         Create wrapper and rename body...
21         (__cmpdf2_internal): ... to this.  Return correct value for unordered
22         result.
23         (__cmpsf2): Create wrapper and rename body...
24         (__cmpsf2_internal): ... to this.  Return corerct value for unordered
25         result.
26         (__eqdf2, __nedf2, __gtdf2, __gedf2, __ltdf2, __ledf2): Use
27         __cmpdf2_internal.
28         (__eqsf2, __nesf2, __gtsf2, __gesf2, __ltsf2, __lesf2): Use
29         __cmpsf2_internal.
30
31 2005-12-29  Paul Brook  <paul@codesourcery.com>
32
33         * config/m68k/fpgnulib.c (__extendsfdf2): Handle negative zero.
34         (__truncdfsf2): Ditto.
35         (__extenddfxf2): Ditto.
36         (__truncxfdf2): Ditto.
37         * config/m68k/lb1sf68.asm (__addsf3): Return -0.0 for -0.0 + -0.0.
38         (__adddf3): Ditto.
39
40 2005-12-29  Daniel Jacobowitz  <dan@codesourcery.com>
41         Paul Brook  <paul@codesourcery.com>
42
43         * config/m68k/m68k.c (m68k_output_pic_call): Don't use bsr.l for
44         !TARGET_68020.
45         * config/m68k/t-m68kelf (EXTRA_PARTS): Remove.
46         (EXTRA_MULTILIB_PARTS): Set.
47         * config/m68k/t-uclinux (EXTRA_PARTS): Remove.
48         (EXTRA_MULTILIB_PARTS): Set.
49
50 2005-12-29  Alan Modra  <amodra@bigpond.net.au>
51
52         PR target/25572
53         * config/rs6000/rs6000.c (create_TOC_reference): Set regs_ever_live.
54
55 2005-12-28  Nathan Sidwell  <nathan@codesourcery.com>
56
57         * config.gcc (mt-*-*): Add --with-arch support.
58         (--with): Print accepted options on error.
59         * config/mt/mt.h (OPTION_DEFAULT_SPECS): Define.
60
61         * config/mt/mt.c (DEF_VEC_P(basic_block),
62         DEF_VEC_ALLOC_P(basic_bloc,heap)): Remove from here.
63
64 2005-12-28  Daniel Berlin  <dberlin@dberlin.org>
65
66         Fix PR tree-optimization/25394
67         * fold-const.c (fold_checksum_tree): Guard 
68         portions of checksumming with correct structure checks.
69
70 2005-12-27  Kazu Hirata  <kazu@codesourcery.com>
71
72         * global.c, tree-ssa-pre.c: Move DEF_VEC_P(basic_block) and
73         DEF_VEC_ALLOC_P(basic_block,{gc,heap}) to ...
74         * basic-block.h: ... here.
75
76 2005-12-27  Roger Sayle  <roger@eyesopen.com>
77
78         * fold-const.c (int_const_binop): Return NULL_TREE when an expression
79         can't be evaluated at compile-time (instead of calling abort).
80         Return NULL_TREE for division (and modulus) by zero.
81         (const_binop):  Return NULL_TREE for floating point operators that
82         aren't handled by real_arithmetic.
83         (fold_binary):  Eliminate "wins" variable, and "binary" label, by
84         folding operators with constant operands early.  Assert that
85         operands are non-NULL.
86
87 2005-12-27  Kazu Hirata  <kazu@codesourcery.com>
88
89         * tree-vrp.c (extract_range_from_binary_expr): Use
90         build_int_cst instead of fold_convert.
91
92 2005-12-26  Mark Mitchell  <mark@codesourcery.com>
93
94         PR c++/23171, c++/23172, c++/25417.
95         * c-decl.c (compound_literal_number): Remove.
96         (build_compound_literal): Use set_compound_literal_name.
97         * c-common.c (compound_literal_number): New variable.
98         (set_compound_literal_name): New function.
99         * c-common.h (set_compound_literal_name): Declare.
100         
101 2005-12-26  Kazu Hirata  <kazu@codesourcery.com>
102
103         PR tree-optimization/25125
104         * convert.c (convert_to_integer): Don't narrow the type of a
105         PLUX_EXPR or MINUS_EXPR if !flag_wrapv and the unwidened type
106         is signed.
107
108 2005-12-26  Graham Stott  <graham.stott@btinternet.com>
109
110         PR middle-end/25568
111         * combine.c (simplify_shift_const_1 <case PLUS>):Fix enable-checking
112         rtl bootstrap failure.
113
114 2005-12-25  Kazu Hirata  <kazu@codesourcery.com>
115
116         * final.c (compute_alignments): Make it static.
117         * gcse.c (gcse_main, bypass_jumps): Likewise.
118         * web.c (web_main): Likewise.
119         * output.h: Remove the prototype for compute_alignments.
120         * rtl.h: Remove the prototypes for web_main, gcse_main, and
121         bypass_jumps.
122
123 2005-12-24  Roger Sayle  <roger@eyesopen.com>
124
125         * expr.c (force_operand): Use expand_fix and expand_float to
126         implement integer <-> FP conversions instead of convert_to_mode.
127
128 2005-12-24  Mark Mitchell  <mark@codesourcery.com>
129
130         PR c++/23171
131         * varasm.c (initializer_constant_valid_p): An ADDR_EXPR of a
132         CONSTRUCTOR is invalid.
133
134 2005-12-23  Daniel Berlin  <dberlin@dberlin.org>
135
136         * tree-pass.h (pass_eliminate_useless_stores): Remove.
137         * tree-ssa-pre.c (is_copy_stmt): Ditto.
138         (follow_copies_till_vuse): Ditto.
139         (do_eustore): Ditto.
140         (gate_eustores): Ditto.
141         (pass_eliminate_useless_stores): Ditto.
142         * passes.c (init_optimization_passes): Ditto.
143
144 2005-12-23  Paolo Bonzini  <bonzini@gnu.org>
145
146         * combine.c (simplify_shift_const): Fix typo.  Use, whenever
147         applicable, simplify_const_binary_operation.
148
149         (simplify_shift_const): Leave only the fallback
150         case when no simplification is possible.  Extract to...
151         (simplify_shift_const_1): ... here.  Always create a new
152         RTX instead of substituting.  Remove the signed_count variable.
153         Return NULL_RTX if no substitution is possible.
154
155         (simplify_and_const_int): Leave only the fallback
156         case when no simplification is possible.  Extract to...
157         (simplify_and_const_int_1): ... here.  Always create a new
158         RTX instead of substituting.  Return NULL_RTX if no substitution
159         is possible.
160
161         (force_to_mode, simplify_comparison): Don't pass a non-NULL first
162         parameter to simplify_and_const_int and simplify_shift_const,
163         unless it is equal to the expected non-simplified result.
164
165 2005-12-23  Jakub Jelinek  <jakub@redhat.com>
166
167         PR target/25005
168         * regrename.c (replace_oldest_value_reg): Use validate_change with
169         IN_GROUP set to 1 instead of doing direct modifications.
170         (copyprop_hardreg_forward_1): Likewise.  If any replace_oldest_*
171         replacements have been performed on an instruction, use
172         apply_change_group ().
173
174 2005-12-23  Hans-Peter Nilsson  <hp@axis.com>
175
176         * config/cris/arit.c (do_31div): Clarify what "31" refers to.
177         [L_divsi3] (__Udiv): Don't use as inline function.
178         [L_modsi3] (__Umod): Ditto.
179         (__Div): Rearrange to call do_31div directly instead of __Udiv.
180         (__Mod): Similarly regarding __Umod.
181
182         PR target/24342
183         * config/cris/cris.c (cris_split_movdx): Add REG_INC notes for
184         emitted insns with post-increments.
185         (cris_expand_epilogue): Ditto.
186
187 2005-12-22  Jakub Jelinek  <jakub@redhat.com>
188             Richard Henderson  <rth@redhat.com>
189
190         Merge from gomp-branch.
191         * builtins.def: Move all DEF_SYNC_BUILTIN to ...
192         * sync-builtins.def: ... new file.
193         (BUILT_IN_FETCH_AND_ADD_16,
194         BUILT_IN_FETCH_AND_SUB_16, BUILT_IN_FETCH_AND_OR_16,
195         BUILT_IN_FETCH_AND_AND_16, BUILT_IN_FETCH_AND_XOR_16,
196         BUILT_IN_FETCH_AND_NAND_16, BUILT_IN_ADD_AND_FETCH_16,
197         BUILT_IN_SUB_AND_FETCH_16, BUILT_IN_OR_AND_FETCH_16,
198         BUILT_IN_AND_AND_FETCH_16, BUILT_IN_XOR_AND_FETCH_16,
199         BUILT_IN_NAND_AND_FETCH_16, BUILT_IN_BOOL_COMPARE_AND_SWAP_16,
200         BUILT_IN_VAL_COMPARE_AND_SWAP_16, BUILT_IN_LOCK_TEST_AND_SET_16,
201         BUILT_IN_LOCK_RELEASE_16): New builtins.
202         * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
203         BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
204         * builtins.c (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
205         * c-common.c (enum c_builtin_type): Move to top-level from
206         c_common_nodes_and_builtins enum builtin_type.
207         (builtin_types): Move from c_common_nodes_and_builtins.
208         (def_fn_type): New.
209         (c_common_nodes_and_builtins): Use it.
210         (def_builtin_1): Check for error_mark_node.
211         (sync_resolve_size): Handle also 128 bit sync builtins.
212         * Makefile.in (BUILTINS_DEF): New.  Use it instead of builtins.def.
213
214         * config/i386/i386.h (x86_cmpxchg8b, x86_cmpxchg16b): New decls.
215         (TARGET_CMPXCHG8B, TARGET_CMPXCHG16B): Define.
216         * config/i386/i386.c (x86_cmpxchg8b, x86_cmpxchg16b): New variables.
217         * config/i386/sync.md (CASMODE, DCASMODE): New mode macros.
218         (doublemodesuffix, DCASHMODE): New mode attrs.
219         (sync_compare_and_swap<mode>): Change into expand, use CASMODE
220         instead of IMODE, if mode is wider than a word, expand into
221         sync_double_compare_and_swap*.
222         (*sync_compare_and_swap<mode>): New insn.
223         (sync_double_compare_and_swap<mode>): Likewise.
224         (*sync_double_compare_and_swapdi_pic): Likewise.
225         (sync_compare_and_swap_cc<mode>): Use CASMODE instead of IMODE, if
226         mode is wider than a word, expand into
227         sync_double_compare_and_swap_cc*.
228         (sync_double_compare_and_swap_cc<mode>): New insn.
229         (*sync_double_compare_and_swap_ccdi_pic): Likewise.
230
231 2005-12-22  Richard Henderson  <rth@redhat.com>
232
233         * config/i386/mmintrin.h (_mm_add_si64): Only define for SSE2.
234         (_mm_sub_si64): Likewise.
235         * config/i386/xmmintrin.h (_mm_shuffle_pi16, _m_pshufw): Likewise.
236
237 2005-12-23  Alan Modra  <amodra@bigpond.net.au>
238
239         PR rtl-optimization/25432
240         * reload1.c (eliminate_regs_in_insn): Update insn code on
241         successfully re-recognizing modified insn.
242
243 2005-12-22  Richard Guenther  <rguenther@suse.de>
244
245         * tree.c (tree_fold_gcd): Use build_int_cst where appropriate.
246         * tree-ssa-loop-ivcanon.c (create_canonical_iv): Likewise.
247         * varasm.c (array_size_for_constructor): Likewise.
248         * fold-const.c (size_diffop, invert_truthvalue,
249         optimize_bit_field_compare, make_range, build_range_check,
250         fold_cond_expr_with_comparison, fold_truthop,
251         fold_single_bit_test_into_sign_test, fold_binary): Likewise.
252
253 2005-12-22  Dale Johannesen  <dalej@apple.com>
254
255         * config/i386/sse.md (sse_movhlps):  Reverse operands for
256         2nd and 3rd alternatives.
257
258 2005-12-22  Andrew Pinski <pinskia@physics.uc.edu>
259
260         PR tree-opt/25513
261         * tree-dfa.c (make_rename_temp): Set DECL_COMPLEX_GIMPLE_REG_P complex
262         variables.
263
264 2005-12-22  Zdenek Dvorak <dvorakz@suse.cz>
265             Steven Bosscher <stevenb@suse.de>
266
267         * df.c (df_bitmaps_free): Only work for bbs for that structures are
268         allocated.
269         (df_bb_modify): Realloc tables to the new index.
270         (df_find_use): New function.
271         (df_find_def, df_reg_used): Handle subregs.
272         * df.h (df_find_use): Declare.
273
274         * loop-invariant.c: Include hashtab.h.
275         (struct invariant): Remove processed field, add eqto and reg fields.
276         (struct invariant_expr_entry): New.
277         (invariant_for_use, hash_invariant_expr_1, invariant_expr_equal_p,
278         hash_invariant_expr, eq_invariant_expr, find_or_insert_inv,
279         find_identical_invariants, merge_identical_invariants): New functions.
280         (create_new_invariant): Return the new invariant.  Initialize new
281         fields.
282         (find_invariants): Call merge_identical_invariants.
283         (get_inv_cost, best_gain_for_invariant, set_move_mark,
284         move_invariant_reg): Handle equivalent invariants.
285         * Makefile.in (loop-invariant.o): Add HASHTAB_H dependency.
286
287 2005-12-22  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
288
289         PR c++/23333
290         * c-lex.c (c_lex_with_flags): Add PURE_ZERO to cpp_flags if
291         number is a single digit '0'.
292
293 2005-12-22  Kazu Hirata  <kazu@codesourcery.com>
294
295         PR tree-optimization/23518
296         * fold-const.c (make_range): Don't move a constant to the
297         other side of the comparison if the type is signed and -fwrapv
298         is given.
299
300 2005-12-22  Kazu Hirata  <kazu@codesourcery.com>
301
302         * tree-vrp.c (extract_range_from_binary_expr): Clean up uses
303         of vr0.type.
304
305 2005-12-21  Joseph S. Myers  <joseph@codesourcery.com>
306
307         PR middle-end/24998
308         * config/arm/t-arm-elf (LIB1ASMFUNCS): Add _floatundidf and
309         _floatundisf.
310
311 2005-12-21  Andrew Haley  <aph@redhat.com>
312
313         PR middle-end/25121
314         * recog.c (peephole2_optimize): Don't peephole any
315         RTX_FRAME_RELATED_P insns.
316
317 2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
318
319         * tree-data-ref.c (estimate_niter_from_size_of_data): Replace
320         fold_build2 with fold_binary.
321         * tree-ssa-ccp.c (visit_assignment, maybe_fold_stmt_addition):
322         Replace fold_build1 with fold_unary.
323         * tree-ssa-reassoc.c (optimize_ops_list): Replace fold_build2
324         with fold_binary.
325
326 2005-12-21  Steven Bosscher  <stevenb@suse.de>
327
328         PR rtl-optimization/25196
329         * postreload-gcse.c (record_last_set_info): Notice stack pointer
330         changes in push insns without REG_INC notes.
331
332 2005-12-21  Kazu Hirata  <kazu@codesourcery.com>
333
334         PR tree-optimization/25382.
335         * tree-vrp.c (extract_range_from_binary_expr): Extract a range
336         from BIT_AND_EXPR.
337
338 2005-12-21  Janis Johnson  <janis187@us.ibm.com>
339             Ben Elliston  <bje@au.ibm.com>
340
341         * configure.ac: Enable C extension for decimal float if invoked
342         with --enable-decimal-float.
343         * doc/install.texi (Configuration): Document it.
344         * configure, config.in: Regenerate.
345
346 2005-12-20  Mike Stump  <mrs@apple.com>
347
348         * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Handle the
349         ambiguity between -seg_addr_table and -seg_addr_table_filename.
350         (WORD_SWITCH_TAKES_ARG): Likewise.
351         (LINK_SPEC): Likewise.
352
353 2005-12-20  Kenneth Zadeck <zadeck@naturalbridge.com>
354
355         * cfganal.c (flow_reverse_top_sort_order_compute):
356         Renamed to post_order_compute and additional parameter added which
357         allows the inclusion of entry and exit blocks into list.
358         (mark_dfs_back_edges): Fixed comment.
359         (flow_depth_first_order_compute): Renamed to
360         pre_and_rev_post_order_compute additional parameter added which
361         allows the inclusion of entry and exit blocks into list.
362         * global.c (set_up_bb_rts_numbers): Call to
363         flow_reverse_top_sort_order_compute renamed to
364         post_order_compute.
365         * var-tracking.c (vt_stack_adjustments): Fixed comment.
366         (vt_find_locations): Call to
367         flow_depth_first_order_compute renamed to
368         pre_and_rev_post_order_compute.
369         * cfgloop.c (flow_find_loops): Ditto.
370         * tree-ssa-reassoc.c (init_reassoc): Ditto.
371         * df.c (df_analyze_1, df_analyze_subcfg): Calls to
372         flow_reverse_top_sort_order_compute renamed to post_order_compute
373         and calls to flow_reverse_top_sort_order_compute renamed to
374         post_order_compute.
375         * basic_block.h: Ditto.
376
377
378 2005-12-20  Roger Sayle  <roger@eyesopen.com>
379             Paolo Bonzini  <bonzini@gnu.org>
380
381         PR rtl-optimization/25115
382         * gcse.c (pre_insert_copy_insn): Fall back to the sole
383         SET in the insn if there is no SET for an
384         expression that is equivalent to EXPR.
385
386 2005-12-20  Richard Guenther  <rguenther@suse.de>
387
388         PR middle-end/24306
389         * builtins.c (std_gimplify_va_arg_expr): Do not align
390         va frame for zero sized types.
391         * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
392
393 2005-12-20  Kazu Hirata  <kazu@codesourcery.com>
394
395         PR tree-optimization/25501
396         * tree-cfgcleanup.c (merge_phi_nodes): Check that RESULT is
397         used in the PHI argument corresponding to the edge from BB to
398         DEST.
399
400 2005-12-20  Richard Guenther  <rguenther@suse.de>
401
402         Revert
403         2005-12-02  Richard Guenther  <rguenther@suse.de>
404
405         * tree-cfg.c (mark_used_vars): New function.
406         (dump_function_to_file): Dump only used VAR_DECLs.
407
408 2005-12-19  Roger Sayle  <roger@eyesopen.com>
409
410         * combine.c (try_combine): Improve splitting of binary operators
411         by taking advantage of reassociative transformations.
412
413 2005-12-19  Jeff Law  <law@redhat.com>
414
415         * tree-ssa-dom.c (thread_across_edge): Do not use local_fold.
416         Strip away all type conversions after simplifying the
417         condition.
418
419         * tree-cfgcleanup.c (merge_phi_nodes): Allow merging in some
420         cases the forwarder block dominates the destination.
421
422 2005-12-19  DJ Delorie  <dj@redhat.com>
423
424         * reload1.c (spill_failure): Dump reload data to dump file.
425         (find_reload_regs): Likewise.
426
427 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
428
429         PR tree-optimization/24793
430         * tree-ssa-loop-ivopts.c (get_ref_tag): Remember the
431         original reference if there are subvars.
432         * tree-ssa-operands.c (get_tmr_operands): Handle subvars.
433
434 2005-12-19  Kenneth Zadeck <zadeck@naturalbridge.com>
435
436         * df.c (df_analyze_1, df_analyze_subcfg, iterative_dataflow):
437         Corrected basic block number calculations for changes in entry and
438         exit numbering.
439         
440 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
441
442         * tree-flow.h (struct var_ann_d): Change type of
443         may_aliases field to VEC(tree, gc) *.
444         (may_aliases): Declaration changed.
445         * tree-ssa-alias.c (group_aliases, add_may_alias,
446         replace_may_alias, dump_may_aliases_for,
447         is_aliased_with, add_type_alias, new_type_alias):
448         Work with VEC(tree, gc) * instead of varray.
449         * tree-flow-inline.h (may_aliases): Ditto.
450         * tree-ssa.c (verify_flow_insensitive_alias_info,
451         verify_name_tags): Ditto.
452         * tree-ssa-operands.c (add_stmt_operand): Ditto.
453
454 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
455
456         * cfgcleanup.c: Temporarily revert patches for PR 20070 till Bernd
457         comes back.
458
459 2005-12-19  J"orn Rennecke <joern.rennecke@st.com>
460
461         * struct-equiv.c (struct_equiv_improve_checkpoint): Fix sets_cc0_p
462         check.
463
464 2005-12-19  Ben Elliston  <bje@au.ibm.com>
465
466         * doc/install.texi (Configuration): Typo in Fortran subheading.
467
468 2005-12-19  Nathan Sidwell  <nathan@codesourcery.com>
469
470         * config/mt/mt.md (decrement_and_branch_until_zero): Add another
471         scratch.  Correct its reload split. Adjust its peephole.
472         (doloop_end): Add additional scratch.
473         (nop): Use 'nop'.
474         * config/mt/mt.c (MT_INT_ARG_FIRST): Remove.
475         (mt_asm_output_opcode, mt_print_operand): Use 'nop'.
476         (mt_function_arg_slotno): Use FIRST_ARG_REGNUM.
477         (mt_builtin_saveregs): Replace with ...
478         (mt_setup_incoming_varargs): ... here.  Save just the varadic
479         args.
480         (mt_va_start): Remove.
481         (mt_reorg_hazard): Ignore USE insns.  Don't call set_noop_p.
482         (mt_machine_reorg): Split all insns here.
483         (TARGET_SETUP_INCOMING_VARARGS): Override.
484         * config/mt/mt.h (TARGET_CPU_CPP_BUILTINS): Define __mt__ only.
485         Set to CPU type.
486         (EXPAND_BUILTIN_VA_START): Remove.
487
488 2005-12-17  Kenneth Zadeck <zadeck@naturalbridge.com>
489
490         * flow.c (update_life_info, count_or_remove_death_notes): Fixed
491         latent bug that could happen if update_life_info was called with a
492         blocks parameter and the call to cleanup_cfg actually deleted one
493         of those blocks. 
494
495 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
496
497         * tree-ssa-structalias.c (update_alias_info): Remove handling
498         of may_be_aliased (SSA_NAME_VAR (op)) case.
499
500 2005-12-19  Zdenek Dvorak <dvorakz@suse.cz>
501
502         * tree-flow.h (struct stmt_ann_d): Remove
503         makes_aliased_loads and makes_aliased_stores fields.
504         * tree-ssa-ccp.c (likely_value): Do not use makes_aliased_stores
505         and makes_aliased_loads fields.
506         * tree-ssa-dom.c (eliminate_redundant_computations): Do not
507         use makes_aliased_stores.
508         * tree-ssa-operands.c (clobbered_aliased_loads,
509         clobbered_aliased_stores, ro_call_aliased_loads): Removed.
510         (build_ssa_operands, add_stmt_operand, add_call_clobber_ops,
511         add_call_read_ops): Do not set makes_aliased_stores and
512         makes_aliased_loads fields.
513         * tree-ssa.c (verify_ssa): Do not verify makes_aliased_stores
514         field.
515
516 2005-12-18  Geoffrey Keating  <geoffk@apple.com>
517
518         * config/darwin.h: Don't include darwin-sections.def to declare
519         global variables; instead create darwin_section_enum.
520         (darwin_section_enum): New.
521         (darwin_sections): New.
522         * config/darwin.c: Don't include darwin-sections.def to define
523         global variables.
524         (darwin_sections): New.
525         (output_objc_section_asm_op): Rewrite to take advantage of
526         darwin_sections.
527         (darwin_init_sections): Rewrite to use darwin_sections.
528         (machopic_output_indirection): Update for darwin_sections array.
529         (machopic_select_section): Likewise.
530         (machopic_select_rtx_section): Likewise.
531         (machopic_asm_out_constructor): Likewise.
532         (machopic_asm_out_destructor): Likewise.
533         (darwin_file_end): Likewise.
534         * config/rs6000/rs6000.c (machopic_output_stub): Likewise.
535         * config/i386/i386.c (machopic_output_stub): Likewise.
536
537 2005-12-18  Richard Guenther  <rguenther@suse.de>
538
539         PR tree-optimization/25481
540         * tree-ssa-structalias.c (handle_ptr_arith): Handle accesses we
541         don't have a varinfo for.
542
543 2005-12-18  Jon Grimm  <jgrimm2@us.ibm.com>
544             Janis Johnson  <janis187@us.ibm.com>
545             Ben Elliston  <bje@au.ibm.com>
546
547         * optabs.c (init_floating_libfuncs): Handle decimal float modes.
548         (init_optabs): Handle libfuncs for decimal float.
549         * genopinit.c (gen_insn): Handle MODE_DECIMAL_FLOAT.
550         * stor-layout.c (int_mode_for_mode): Likewise.
551         * simplify-rtx.c (simplify_immed_subreg): Likewise.
552         (simplify_unary_operation_1): Skip optimisations for decimal float
553         modes.
554         * varasm.c (output_constant_pool_2): Handle MODE_DECIMAL_FLOAT.
555         * emit-rtl.c (gen_const_vector): Add assertion check.
556         (init_emit_once): Populate const_tiny_rtx with constants in each
557         decimal float mode.
558         * expmed.c (extract_high_half, expand_mult_highpart_optab,
559         expand_mult_highpart): Assert that mode is not a scalar float
560         mode.
561         * expr.c (convert_move): Handle conversion between decimal and
562         binary floats of the same size.
563         * convert.c (convert_to_real): Consider decimal float types when
564         folding.
565         * dwarf2out.c (base_type_die): Use DW_ATE_decimal_float to
566         describe decimal floating point types.
567         
568 2005-12-18  Ulrich Weigand  <uweigand@de.ibm.com>
569
570         PR rtl-optimization/21041
571         * reload.c (find_reloads_subreg_address): Replace paradoxical
572         subreg of MEM by widened access only if the resulting memory
573         is properly aligned, even on !STRICT_ALIGNMENT targets.
574
575 2005-12-18  Andreas Krebbel  <krebbel1@de.ibm.com>
576
577         * tree-cfg.c (tree_flow_call_edges_add): Check for empty basic blocks.
578
579 2005-12-18  Steven Bosscher  <stevenb@suse.de>
580
581         * gcse.c (gcse_main, bypass_jumps): Fix non-GNU-isms from
582         the 2005-12-17 patch to renumber the entry and exit blocks.
583
584 2005-12-18  Gabriel Dos Reis  <gdr@integrable-solutions.net>
585
586         * doc/objc.texi (Type encoding): Fix typo.
587
588 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
589
590         * tree-tailcall.c (find_tail_calls): Use XNEW.
591         * tree-ssa-dom.c (allocate_edge_info): Use XCNEW.
592         (free_all_edge_infos): Use explicit cast to convert from void *.
593         (vrp_free): Likewise.
594         (dom_opt_finalize_block): Likewise.
595         (record_equivalences_from_incoming_edge): Likewise.
596         (thread_across_edge): Likewise.  Use XCNEWVEC.
597         (record_cond): Use XCNEW.
598         (record_conditions): Use XNEWVEC.
599         (record_edge_info): Use XCNEWVEC.
600         (lookup_avail_expr): Use XNEW.
601         (record_range): Likewise.  Use GGC_NEW.
602         * tree-nested.c (var_map_hash): Use explicit cast to convert from
603         void *.
604         (var_map_eq): Likewise.
605         (lookup_field_for_decl): Likewise.
606         (convert_nonlocal_reference): Likewise.
607         (convert_local_reference): Likewise.
608         (convert_nl_goto_reference): Likewise.
609         (convert_nl_goto_receiver): Likewise.
610         (convert_call_expr): Likewise.
611         (convert_tramp_reference): Likewise.
612         (lookup_tramp_for_decl): Likewise.Use GGC_NEW.
613         (convert_nl_goto_reference): Likewise.
614         (lookup_field_for_decl): Use GGC_NEW.
615         (create_nesting_tree): Use GGC_CNEW.
616         * tree-ssa-phiopt.c (blocks_in_phiopt_order): Use XNEWVEC.
617         * tree-ssa-alias.c (init_alias_info): Use XCNEW.
618         (create_alias_map_for): Likewise.
619         (setup_pointers_and_addressables): Use XCNEWVEC.
620         (get_ptr_info): Use GGC_NEW.
621         (used_part_map_eq): Use explicit cast to convert from void *.
622         (up_lookup): Likewise.
623         (up_insert): Use XNEW.
624         (get_or_create_used_part_for): Use XCNEW.
625         (get_tmt_for): Likewise.
626         * tree-ssa-operands.c (ssa_operand_alloc): Use GGC_NEW.
627         * tree-ssa-pre.c (phi_trans_add): Use XNEW.
628         (bitmap_set_new): Use explicit cast to convert from void *.
629         (set_new): Likewise.
630         (insert_into_set): Likewise.
631         (pool_copy_list): Likewise.
632         (phi_translate): Likewise.
633         (create_value_expr_from): Likewise.
634         (insert_aux): Use XCNEWVEC.
635         (compute_avail): Use XNEWVEC.
636         * tree-ssa-live.c (calculate_live_on_entry): Likewise.
637         (sort_coalesce_list): Likewise.
638         (build_tree_conflict_graph): Use XCNEWVEC.
639         * tree-ssa-dce.c (tree_dce_init): Use XNEWVEC.
640         * tree-ssa-copy.c (init_copy_prop): Likewise.
641         (fini_copy_prop): Likewise.
642         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Use XNEW
643         and XCNEWVEC.
644         (record_equiv): Use XNEW.
645         (uncprop_into_successor_phis): Use explicit cast to convert from
646         void *.
647         (uncprop_initialize_block): Likewise.
648
649 2005-12-18  Dorit Nuzman  <dorit@il.ibm.com>
650
651         PR tree-optimization/24378      
652         * tree-vect-transform.c (vect_transform_loop): Create single-predecessor
653         basic-block after loop-versioning. 
654
655 2005-12-18  Jeff Law  <law@redhat.com>
656
657         * tree-ssa-dom.c (simplify_switch_and_lookup_avail_expr): Code
658         to simplify SWITCH_EXPR_CODE moved from here to ...
659         * tree-ssa-forwprop.c (simplify_switch_expr): Here.
660         (tree-ssa-forward_propagate_single_use_vars): Call
661         simplify_switch_expr when appropriate.
662
663 2005-12-17  Andrew Pinski  <pinskia@physics.uc.edu>
664
665         * doc/objc.texi (Type encoding): Add documentation about encoding
666         complex types and _Bool.
667
668 2005-12-17  Paul Brook  <paul@codesourcery.com>
669
670         * config/m68k/m68k.md (m68k_output_function_prologue): Always call
671         dwarf2out_def_cfa. Only add space for frame pointer to cfa_offset
672         when frame_pointer_needed. 
673
674 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
675
676         * tree-vn.c (vn_add): Use XNEW.
677         * tree-ssa-ccp.c (ccp_initialize): Use XNEWVEC.
678         (ccp_fold): Likewise.
679         (fold_stmt_r): Use explicit cast to convert from void *.
680         * tree-outof-ssa.c (new_temp_expr_table): Use XCNEWVEC.
681         (new_temp_expr_table): Likewise.
682         * gimplify.c (lookup_tmp_var): Use XNEW.
683         (gimplify_asm_expr): Use explcit cast to convert from void *.
684         * tree-into-ssa.c (get_ssa_name_ann): Likewise.
685         (get_def_blocks_for): Use XNEW.
686         (add_to_repl_tbl): Likewise.
687         (mark_def_sites): Use explicit cast to convert from void *.
688         (def_blocks_free): Likewise.
689         (mark_def_sites_initialize_block): Likewise.
690         (update_ssa): Use XNEWVEC.
691         * tree-dfa.c (create_var_ann): Use GGC_NEW.
692         (create_stmt_ann): Likewise.
693         (create_tree_ann): Likewise.
694         (referenced_var_insert): Likewise.
695         (set_default_def): Likewise.
696         (referenced_var_lookup_if_exists): Use explicit cast to convert
697         from void *.
698         (referenced_var_lookup): Likewise.
699         (default_def): Likewise.
700         (set_default_def): Likewise.
701         * tree-cfg.c (create_bb): Likewise.
702         (edge_to_cases_cleanup): Likewise.
703         (verify_node_sharing): Likewise.
704         (record_switch_edge): Use XNEW.
705         (cleanup_dead_labels): Use XCNEWVEC.
706         (tree_duplicate_sese_region): Use XNEWVEC.
707         * tree-scalar-evolution.c (get_instantiated_value): Likewise.
708         * tree-ssa.c (verify_ssa): Use XCNEWVEC.
709         (int_tree_map_eq): Use explicit cast to convert from void *.
710         * libgcov.c (gcov_exit): Use explicit cast to convert from void *.
711         (__gcov_execl): Likewise.
712         (__gcov_execlp): Likewise.
713         (__gcov_execle): Likewise.
714         * tree-eh.c (struct_ptr_eq): Likewise.
715         (struct_ptr_hash): Likewise.
716         (lookup_stmt_eh_region_fn): Likewise.
717         (outside_finally_tree): Likewise.
718         (find_goto_replacement): Likewise.
719         (make_eh_edge): Likewise.
720         (mark_eh_edge): Likewise.
721         (add_stmt_to_eh_region_fn): Use GGC_NEW.
722         (record_in_finally_tree): Use XNEW.
723         (maybe_record_in_goto_queue): Use XRESIZEVEC.
724         (lower_try_finally_copy): Use XCNEWVEC.
725
726 2005-12-17  Gabriel Dos Reis  <gdr@integrable-solutions.net>
727
728         * tree-inline.c (copy_body_r): Use explicit cast when converting
729         from void *.
730         (copy_bb): Likewise.
731         (copy_edges_for_bb): Likewise.
732         (remap_decl_1): Likewise.
733         (estimate_num_insns_1): Likewise.
734         * cgraph.c (hash_node): Use explicit cast when converting from
735         void *.
736         (eq_node): Likewise.
737         (cgraph_create_node): Use GGC_CNEW.
738         (cgraph_create_edge): Use GGC_NEW.
739         (cgraph_remove_node): Use explicit cast when converting from void *.
740         (hash_varpool_node): Likewise.
741         (eq_varpool_node): Likewise.
742         (cgraph_varpool_node): Use GGC_CNEW.
743         * lambda.h (lambda_vector_new): Use GGC_CNEWVEC.
744         * tree-scalar-evolution.c (new_scev_info_str): Use XNEW.
745         (eq_scev_info): Use explicit cast when converting from void *.
746         (find_var_scev_info): Likewise.
747         (set_instantiated_value): Likewise.
748         (gather_stats_on_scev_database_1): Likewise.
749         * cfgloop.h (simple_loop_desc): Use explicit cast when converting
750         from void *.
751         * c-pch.c (c_common_write_pch): Use XNEWVEC.
752         (c_common_read_pch): Likewise.
753         * prefix.c (save_string): Use XNEWVEC.
754         (translate_name): Use explicit cast when converting from void *.
755         * c-ppoutput.c (print_line): Use explicit cast when converting
756         from void *.
757         (pp_dir_change): Likewise.
758         * c-cppbuiltin.c (builtin_define_std): Likewise.
759         (builtin_define_with_value): Likewise.
760         (builtin_define_with_value_n): Likewise.
761         (builtin_define_with_int_value): Likewise.
762         (builtin_define_type_max): Likewise.
763         * c-incpath.c (add_env_var_paths): Use XNEWVEC.
764         (add_path): Use XNEW.
765         * c-format.c (check_format_info_main): Use GGC_NEW.
766         (format_type_warning): Use explicit cast when converting from void *.
767         * c-typeck.c (alloc_tagged_tu_seen_cache): Use XNEW instead of
768         xmalloc. 
769         (start_init): Likewise.
770         * tree-flow-inline.h (first_referenced_var): Use explicit cast
771         when converting from void *.
772         (next_referenced_var): Likewise.
773         * c-pragma.c (push_alignment): Use GGC_NEW instead of ggc_alloc.
774         * gensupport.c (lookup_predicate): Use explicit cast to convert
775         from void *.
776         (init_predicate_table): Use XCNEW instead of xcalloc.
777         * genpreds.c (process_define_predicate): Likewise.
778
779 2005-12-17  Danny Berlin <dberlin@dberlin.org>
780             Kenneth Zadeck <zadeck@naturalbridge.com>
781
782         * basic-block.h: Changed basic block numbering so that the entry
783         block is 0 and the exit block is 1.  Changed insn iterators so
784         that they are tolerant of blocks with no insns.
785         * regrename.c (copyprop_hardreg_forward): Changed basic block
786         numbering so that the entry block is 0 and the exit block is 1.
787         * sched-ebb.c (sehedule_ebbs): Ditto.
788         * tracer.c (branch_ratio_cutoff): Ditto.
789         * cfgloopmanip.c (fix_loop_structure): Ditto.
790         * cfghooks.c (verify_flow_info): Ditto.
791         * cfg.c (compact_blocks): Ditto.
792         * reorg.c (dbr_schedule): Ditto.
793         * flow.c (calculate_global_regs_live, libcall_dead_p): Ditto.
794         * dominance.c (calc_dfs_tree_nonrec, calc_dfs_tree,
795         calculate_dominance_info): Ditto.
796         * cfganal.c (create_edge_list, print_edge_list,
797         flow_depth_first_order_compute, flow_dfs_compute_reverse_init,
798         flow_dfs_compute_reverse_add_bb, flow_dfs_compute_reverse_execute,
799         dfs_enumerate_from): Ditto.
800         * global.c (global_alloc, set_up_bb_rts_numbers): Ditto.
801         * ifcvt.c (find_if_case_2): Ditto.
802         * cfgbuild.c (control_flow_insn_p, count_basic_blocks,
803         find_basic_blocks): Ditto.
804         * predict.c (predict_loops, tree_bb_level_predictions,
805         predict_paths_leading_to, propagate_freq): Ditto.
806         * lcm.c (compute_antinout_edge, compute_laterin,
807         compute_available): Ditto.
808         * function.c (thread_prologue_and_epilogue_insns): Ditto.
809         * gcse.c (gcse_main, bypass_jumps): Ditto.
810         * profile.c (compute_branch_probabilities,
811         compute_value_histograms, branch_prob): Ditto.
812         * tree-flow-inline.h (bsi_start, bsi_after_labels,
813         bsi_last): Ditto.
814         * tree-ssa-phiopt.c (tree_ssa_phiopt,
815         blocks_in_phiopt_order): Ditto.
816         * bt-load.c (compute_defs_uses_and_gen, compute_kill,
817         compute_out, link_btr_uses, migrate_btr_defs): Ditto.
818         * tree-dfa.c (collect_dfa_stats): Ditto.
819         * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Ditto.
820         * cfglayout.c (fixup_reorder_chain): Ditto.
821         * bb-reorder.c (reorder_basic_blocks, duplicate_computed_gotos,
822         partition_hot_cold_basic_blocks): Ditto.
823         * var-tracking.c (vt_find_locations): Ditto.
824         * cfgloop.c (flow_loops_cfg_dump, flow_loops_find, get_loop_body): Ditto.
825         * sched-rgn.c (compute_trg_info, init_regions, schedule_insns): Ditto.
826         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, make_edges
827         label_to_block_fn, print_loop_ir, tree_flow_call_edges_add): Ditto.
828         * tree-ssa-reassoc.c (init_reassoc): Ditto.
829         * cfgrtl.c (entry_of_function, rtl_verify_flow_info,
830         rtl_flow_call_edges_add, rtl_flow_call_edges_add): Ditto.
831         * df.c (df_analyze_1, hybrid_search, iterative_dataflow): Ditto
832         and removed unused reverse orders.
833         * df.h (): Ditto.
834         * combine.c: Fix document typo.
835
836 2005-12-17  Jan Hubicka  <jh@suse.cz>
837
838         * tree-flow-inline.h (set_default_def, default_def): Kill.
839         * tree-dfa.c (default_defs): New global variable.
840         (default_def, set_default_def): New functions.
841         * tree-ssa.c (init_tree_ssa, delete_tree_ssa): Add default_def hash.
842         * tree-flow.h (struct var_ann_d): Kill default_def field.
843         (set_default_def, default_def): Update prototype.
844         (default_defs): Declare.
845
846 2005-12-16  Jeff Law  <law@redhat.com>
847
848         * tree-ssa-dom.c (update_rhs_and_lookup_avail_expr): Kill.
849         (simplify_rhs_and_lookup_avail_expr): Kill.  Remnants moved
850         into tree-ssa-forwprop.c.
851         (eliminate_redundant_computations): Do not call
852         simplify_rhs_and_lookup_avail_expr anymore.
853         * tree-ssa-forwprop.c (simplify_not_neg_expr): New function
854         extracted from remnants of simplify_rhs_and_lookup_avail_expr.
855         (tree_ssa_forward_propagate_single_use_vars): Call
856         simplify_not_neg_expr appropriately.
857
858 2005-12-16  Bernd Trog  <berndtrog@yahoo.com>
859
860         PR target/20016
861         * config/avr/t-avr: Add -Os to TARGET_LIBGCC2_CFLAGS.
862
863 2005-12-17  Kazu Hirata  <kazu@codesourcery.com>
864
865         PR rtl-optimization/25456
866         * struct-equiv.c (struct_equiv_improve_checkpoint): Replace
867         info->x_start with p->x_start.
868
869 2005-12-17  Alan Modra  <amodra@bigpond.net.au>
870
871         * simplify-rtx.c (simplify_binary_operation_1 <IOR>): Correct bug
872         introduced 2005-12-16.
873
874 2005-12-16  Steven Bosscher  <stevenb@suse.de>
875
876         PR rtl-optimization/23837
877         * optabs.c (expand_binop): For a multi-word rotate, never emit
878         a REG_NO_CONFLICT block.
879
880 2005-12-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
881
882         PR middle-end/25457
883         * reorg.c (mostly_true_jump): Remove unused variable 'insn'.
884
885         PR target/25447
886         * config/pa/pa.c (pa_scalar_mode_supported_p): Handle
887         MODE_DECIMAL_FLOAT.
888
889 2005-12-16  Steven Bosscher  <stevenb@suse.de>
890
891         * loop-invariant.c (move_loop_invariants): Add missing hunk from
892         the previous patch, to nullify df.
893
894 2005-12-16  Steven Bosscher  <stevenb@suse.de>
895
896         * reorg.c (mostly_true_jump): Clean up code depending on
897         LABEL_OUTSIDE_LOOP_P and loop notes.  Remove code doing
898         poor man's branch prediction, instead rely on REG_BR_PROB
899         notes to be available.
900
901 2005-12-16  Jakub Jelinek  <jakub@redhat.com>
902
903         PR rtl-optimization/24899
904         * loop.c (strength_reduce): Don't reduce giv that is not always
905         computable and where add_val or mult_val can trap.
906
907         * doc/invoke.texi (-fdump-tree-*): Remove note about C/C++ only.
908
909 2005-12-16  Nathan Sidwell  <nathan@codesourcery.com>
910
911         * config/mt/mt.h (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Correct
912         names of ms1-16-002 files.
913
914 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
915
916         PR driver/20425
917         * gcc.c (for_each_path): New function.
918         (add_to_obstack, file_at_path): New functions.
919         (struct file_at_path_info, struct add_to_obstack_info): New.
920         (build_search_list): Rewrite using for_each_path.  Constify struct
921         path_prefix pointer.  Add do_multi param.  Adjust all callers.
922         (find_a_file): Similarly, but just change existing param to bool.
923         (putenv_from_prefixes): Add do_multi param, make "paths" const.
924         (do_spec_path): Delete.
925         (struct spec_path_info): New.
926         (spec_path): New function.
927         (do_spec_1): Use for_each_path for %D and %I.
928         (find_file): Adjust for find_a_file changes.
929         (main): Search multilibs for specs.  Print multilib lib path for
930         -print-search-dirs.  Likewise add multilibs to LIBRARY_PATH_ENV.
931         (read_specs): Search multilibs for %include and %include_noerr.
932         (is_directory): Remove second string param.  Change last param
933         to a bool.  Don't use concat.  Remove SMALL_ARG_MAX test, always
934         check path is a dir.  Update all callers.
935         * doc/hostconfig.texi (SMALL_ARG_MAX): Remove mention.
936         * system.h (SMALL_ARG_MAX): Poison.
937         * config.gcc: Don't define SMALL_ARG_MAX.
938         * config.host: Likewise.
939         * config.build: Likewise.
940
941 2005-12-16  Paolo Bonzini  <bonzini@gnu.org>
942
943         * combine.c (combine_simplify_rtx <case NOT, NEG, TRUNCATE,
944         FLOAT_TRUNCATE, FLOAT_EXTEND, PLUS, MINUS, AND, IOR, XOR,
945         ABS, VEC_SELECT, POPCOUNT, PARITY, FFS, FLOAT>,
946         simplify_logical): Move simplifications that do not require
947         additional infrastructure...
948         * simplify-rtx.c (simplify_unary_operation_1,
949         simplify_binary_operation_1): ... here.
950
951 2005-12-16  Andreas Krebbel  <krebbel1@de.ibm.com>
952
953         PR 24823
954         * flow.c (mark_used_dest_regs): New function.
955         (mark_used_regs): Call mark_used_dest_regs.
956
957 2005-12-16  Jeff Law  <law@redhat.com>
958
959         * tree-ssa-dse.c (dse_optimize_stmt): Correctly handle PHI nodes which
960         represent a use and definition of the same SSA_NAME.
961
962 2005-12-16  Jon Grimm  <jgrimm2@us.ibm.com>
963             Janis Johnson  <janis187@us.ibm.com>
964             Ben Elliston  <bje@au.ibm.com>
965
966         * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): New.
967         (TARGET_INITIALIZER): Add TARGET_DECIMAL_FLOAT_P.
968         * target.h (struct gcc_target): Add decimal_float_supported_p.
969         * targhooks.c (default_scalar_mode_supported_p): Handle
970         MODE_DECIMAL_FLOAT.
971         * builtins.def: Add new builtins for 32, 64 and 128 bit variants
972         of inf, nan, finite, isinf and isnan.
973         * builtin-types.def (BT_DFLOAT32, BT_DFLOAT64, BT_DFLOAT128,
974         BT_DFLOAT32_PTR, BT_DFLOAT64_PTR, BT_DFLOAT128_PTR,
975         BT_FN_DFLOAT32, BT_FN_DFLOAT64, BT_FN_DFLOAT128,
976         BT_FN_INT_DFLOAT32, BT_FN_INT_DFLOAT64, BT_FN_INT_DFLOAT128,
977         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT64_CONST_STRING,
978         BT_FN_DFLOAT32_CONST_STRING, BT_FN_DFLOAT32_DFLOAT32,
979         BT_FN_DFLOAT64_DFLOAT64, BT_FN_DFLOAT128_DFLOAT128): New.
980         * c-decl.c (declspecs_add_type): Verify combos on type qualifiers.
981         Pedwarn if decimal floating point types are used.  Error if
982         decimal floating point is not supported by the target.
983         (finish_declspecs): Return type from DFP typespec_word.
984         * c-typeck.c (c_common_type): Choose the decimal floating point
985         type with the greater precision when determining a common type.
986         (convert_arguments): Warn if there is a mismatch between argument
987         and prototype for decimal float types.  Warn of conversions with
988         binary float types and of precision narrowing due to prototype.
989         * c-parser.c (reswords): Add _Decimal32, _Decimal64, _Decimal128.
990         (c_token_starts_typename): Handle RID_DFLOAT32/64/128.
991         (c_token_starts_declspecs): Likewise.
992         (c_parser_attributes): Likewise.
993         * c-common.h (enum rid): Add new enumeration values RID_DFLOAT32,
994         RID_DFLOAT64, RID_DFLOAT128.
995         (T_D32, TEX_D32, T_D64, TEX_D64, T_D128, TEX_D128): New macros.
996         * c-common.c (c_common_type_for_mode): Handle decimal float modes.
997         (shorten_compare): Convert DFP/BFP operands to a common type.
998         (c_common_modes_and_builtins): Register built-in decimal float
999         types if the target supports them.
1000         (handle_mode_addtribute): Handle MODE_DECIMAL_FLOAT.
1001         * builtins.c (fold_builtin_1): Handle 32, 64 and 128 bit cases of
1002         inf, nan, finite, isinf and isnan builtins.
1003         * c-cppbuiltin.c (builtin_define_decimal_float_constants): New.
1004         (builtin_define_float_constants): Assert non-decimal radix.
1005         (c_cpp_builtins): Register built-in __DEC_EVAL_METHOD__ define.
1006         Call builtin_define_decimal_float_constants for each type.
1007         * c-lex.c (interpret_float): Decode decimal float types from CPP_N
1008         flags.  Use real_from_string3, which can handle binary or decimal
1009         floats.
1010         * c-tree.h (enum c_typespec_keyword): Add cts_dfloat32,
1011         cts_dfloat64, cts_dfloat128.
1012         * tree.c (build_common_tree_nodes_2): Add decimal float types.
1013         * tree.h (enum tree_index): Add new enumeration values
1014         TI_DFLOAT32_TYPE, TI_DFLOAT64_TYPE, TI_DFLOAT128_TYPE,
1015         TI_DFLOAT32_PTR_TYPE, TI_DFLOAT64_PTR_TYPE, TI_DFLOAT128_PTR_TYPE.
1016         (dfloat32_type_node): New macro.
1017         (dfloat64_type_node, dfloat128_type_node): Likewise.
1018         (dfloat32_ptr_type_node, dfloat64_ptr_type_node): Likewise.
1019         (dfloat128_ptr_type_node): Likewise.
1020         * c-pretty-print.c (pp_c_floating_constant): Append 32, 64 and 128
1021         bit decimal floating point types with "df", "dd" and "dl".
1022         * c-format.h (enum format_lengths): Add new enumeration values
1023         FMT_LEN_H, FMT_LEN_D and FMT_LEN_DD.
1024         * c-format.c (printf_length_specs, scanf_length_specs): Add
1025         entries for H, D, DD.
1026         (print_char_table, scan_char_table): Use new entries.
1027         (asm_fprintf_char_table, gcc_diag_char_table,
1028         gcc_cdiag_char_table, gcc_cxxdiag_char_table): Adjust for longer
1029         length arrays.
1030         * defaults.h (DECIMAL32_TYPE_SIZE): Define.
1031         (DECIMAL64_TYPE_SIZE): Likewise.
1032         (DECIMAL128_TYPE_SIZE): Likewise.
1033         (TARGET_DEC_EVAL_METHOD): Likewise.
1034         * doc/extend.texi (Decimal Float): New node.
1035         (Constructing Calls): Document decimal float built-ins.
1036         * doc/tm.texi: Document TARGET_DECIMAL_FLOAT_SUPPORTED_P hook.
1037         * Makefile.in (USER_H): Add $(srcdir)/ginclude/decfloat.h.
1038         * ginclude/decfloat.h: New file.
1039
1040 2005-12-16  Alan Modra  <amodra@bigpond.net.au>
1041
1042         * reload.c (find_reloads): Fix comment typo.
1043         * recog.h (recog_memoized): Correct comment.
1044
1045 2005-12-16  Kazu Hirata  <kazu@codesourcery.com>
1046
1047         * basic-block.h, config/i386/winnt.c, config/pa/pa.c,
1048         config/s390/s390.c, dfp.c, expr.c, fold-const.c, params.def,
1049         reload.c, struct-equiv.c, tree-ssa-ccp.c, tree-ssa-pre.c,
1050         tree-ssa-reassoc.c, tree-ssa-structalias.c: Fix comment typos.
1051         * doc/invoke.texi, doc/tm.texi: Fix typos.
1052
1053 2005-12-16  Ben Elliston  <bje@au.ibm.com>
1054
1055         * real.c (decimal_quad_format): Correct values for emin, emax.
1056
1057 2005-12-15  DJ Delorie  <dj@redhat.com>
1058
1059         * config/m32c/predicates.md (m32c_psi_scale): New.
1060         * config/m32c/m32c.c (m32c_expand_neg_mulpsi3): New.
1061         * config/m32c/muldiv.md (mulpsi3): Support negative constants.
1062
1063 2005-12-16  Jan Hubicka  <jh@suse.cz>
1064
1065         PR rtl-optimization/25224
1066         * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free copy
1067         tables.
1068
1069 2005-12-15  Zdenek Dvorak <dvorakz@suse.cz>
1070             Steven Bosscher <stevenb@suse.de>
1071
1072         * loop-invariant.c (df): New global variable.
1073         (find_defs, check_dependencies, find_invariant_insn, record_uses,
1074         find_invariants_bb, find_invariants_body, find_invariants,
1075         find_invariants_to_move, move_invariants, free_inv_motion_data,
1076         move_single_loop_invariants, move_loop_invariants): Do not pass df in
1077         arguments.
1078
1079 2005-12-15  Jakub Jelinek  <jakub@redhat.com>
1080
1081         * varasm.c (default_unique_section_1): Use special section
1082         names for SECCAT_DATA_REL{,_RO}{,_LOCAL}.
1083
1084 2005-12-16  Ben Elliston  <bje@au.ibm.com>
1085
1086         * doc/invoke.texi (Warning Options): Document -Walways-true being
1087         enabled by -Wall.
1088
1089 2005-12-15  Joseph S. Myers  <joseph@codesourcery.com>
1090
1091         PR other/25028
1092         * libgcc2.h (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Define.
1093         * libgcc2.c (__floatdixf, __floatundixf, __floatditf,
1094         __floatunditf): Use #error if type sizes don't match requirements
1095         of implementation.
1096         (__floatdisf, __floatdidf): Unify.  Possibly use XFmode or TFmode
1097         as wider floating-point type.  Use #error if type sizes don't
1098         match requirements of implementation.  Avoid overflow in computing
1099         Wtype_MAXp1_F * Wtype_MAXp1_F.  When special casing conversion,
1100         shift one more bit.  Cast 1 to DWtype or UDWtype for shifting.
1101         (__floatundisf, __floatundidf): Likewise.
1102         * config/ia64/hpux.h (XF_SIZE, TF_SIZE): Define.
1103         * config/ia64/ia64.c (ia64_init_libfuncs): Use
1104         _U_Qfcnvfxt_quad_to_quad and _U_Qfcnvxf_quad_to_quad for
1105         TFmode-TImode conversions.
1106         * doc/tm.texi (SF_SIZE, DF_SIZE, XF_SIZE, TF_SIZE): Document.
1107
1108 2005-12-14  Craig Rodrigues  <rodrigc@gcc.gnu.org>
1109
1110         * freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS):
1111         Use builtin_define_with_int_value() instead of
1112         adding a new check for every new major FreeBSD version.
1113
1114 2005-12-14  Andrew Pinski  <pinskia@physics.uc.edu>
1115
1116         * config/t-darwin (darwin-c.o): Depend on $(TREE_H) instead of tree.h.
1117
1118 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
1119
1120         * config/arm/predicates.md (call_memory_operand): New.
1121         * config/arm/arm.md (*call_mem, *call_value_mem): Use it.
1122
1123 2005-12-15  Andrew Haley  <aph@redhat.com>
1124
1125         * unwind-dw2-fde-glibc.c (_Unwind_IteratePhdrCallback): Guard
1126         against prev_cache_entry == NULL when moving a cache entry to the
1127         head of the list.
1128         
1129 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1130
1131         * config/mt/mt.c (mt_override_options): Require lower case
1132         architectures.  Revert accidental default to ms2.
1133         * config/mt/mt.h (ASM_SPEC, LIBSPEC, STARTFILE_SPEC,
1134         ENDFILE_SPEC): Require lower case architectures.  Revert default
1135         to ms2.
1136
1137         * doc/invoke.texi (MT Options): Rename and update.
1138         * doc/md.texi (MorphoTech family): Rename and update.
1139
1140 2005-12-15  Olivier Hainque  <hainque@adacore.com>
1141
1142         * stor-layout.c (layout_type): Don't complain about a too small
1143         an array element type size compared to its alignment when the
1144         size overflows.
1145
1146 2005-12-15  Jan Hubicka  <jh@suse.cz>
1147
1148         PR target/24969
1149         * i386.c (classify_argument): Properly adjust offset of bitfield for
1150         substructures.
1151
1152 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
1153
1154         * final.c (final_scan_insn): Flip in_cold_section_p when changing
1155         between the hot and cold sections.  Use current_function_section
1156         to get the new section.
1157         * dwarf2out.c (output_line_info): Use in_cold_section_p to
1158         determine whether we are assembling hot or cold code.
1159         (secname_for_decl, dwarf2out_var_location): Likewise.
1160         (dwarf2out_init, dwarf2out_finish): Use switch_to_section.
1161         * varasm.c (last_text_section): Delete.
1162         (in_cold_section_p): New variable.
1163         (hot_function_section): New function.
1164         (current_function_section): Pass in_cold_section_p as the
1165         reloc argument to select_section.  Use it to decide between
1166         unlikely_function_section and hot_function_section.
1167         (assemble_start_function): Use switch_to_section.  Set
1168         in_cold_section_p instead of last_text_section.
1169         (assemble_end_function): Use switch_to_section.
1170         (switch_to_section): Don't set last_text_section.
1171         * config/darwin/darwin.c (machopic_select_section): Trust the reloc
1172         argument to make the right choice between hot and cold sections.
1173
1174 2005-12-15  Nathan Sidwell  <nathan@codesourcery.com>
1175
1176         Second part of MS1->MT renaming
1177         * config/mt/mt.md (doloop_end): Call mt_add_loop.
1178         (movqi, movhi): Call mt_set_memflags.
1179         (*movdf_internal): Call mt_split_words. 
1180         (reload_inqi, reload_outqi, reload_inhi, reload_outhi): Call
1181         mt_set_memflags.
1182         (cmpsi): Store to mt_compare_op[01].
1183         (beq, bne, bge, bgt, ble, blt, bgeu, bgtu, bleu, bltu, bunge,
1184         bungt, bunle, bunlt): Call mt_emit_cbranch.
1185         (prologue): Call mt_expand_prologue.
1186         (epilogu): Call mt_expend_epilogue.
1187         (eh_return): Call mt_expand_eh_return.
1188         (eh_epilogue): Call me_emit_eh_epilogue.
1189         (conditional_trap): Store to mt_compare_op[01].
1190         * config/mt/crti.asm: Adjust comment.
1191         * config/mt/crtn.asm: Adjust comment.
1192         * config/mt/mt.c (MT_INT_ARG_FIRST): Renamed.
1193         (mt_compare_op0, mt_compare_op1): Renamed.
1194         (current_frame_info, zero_frame_info): Adjust type.
1195         (mt_ucmpsi3_libcall): Renamed.
1196         (mt_flag_delayed_branch): Renamed.
1197         (mt_struct_value_rtx, mt_return_addr_rtx): Renamed.
1198         (mt_nops_required, mt_nop_reasons): Renamed.
1199         (mt_asm_output_opcode, mt_get_attr_type, mt_final_prescan_insn,
1200         mt_debug_stack, mt_print_operand_simple_address,
1201         mt_print_operand_address, mt_print_operand): Renamed, adjusted.
1202         (mt_init_cumulative_args, mt_function_arg_slotno, mt_function_arg,
1203         mt_function_arg_advance, mt_arg_partial_bytes,
1204         mt_pass_by_reference, mt_function_arg_boundary,
1205         mt_reg_ok_for_base_p, mt_legitimate_simple_address_p,
1206         mt_legitimate_address_p): Renamed, adjusted.
1207         (mt_cpu): Renamed.
1208         (mt_init_machine_status, mt_override_options, mt_builtin_saveregs,
1209         mt_va_start, mt_compute_frame_size, mt_emit_save_restore,
1210         mt_emit_save_fp, mt_emit_save_regs, mt_interrupt_function_p, 
1211         mt_expand_prologue, mt_epilogue_uses, mt_expand_epilogue,
1212         mt_expand_eh_return, mt_emit_eh_prologue,
1213         mt_handl_interrupt_attribute): Renamed, adjusted.
1214         (mt_attribute_table): Renamed, adjusted.
1215         (mt_initial_elimination_offset, mt_generate_compare,
1216         mt_emit_cbranch, mt_set_memflags_1, mt_set_memflags,
1217         mt_secondary_reload_class, mt_function_value, mt_split_words,
1218         mt_pass_in_stack, mt_add_loop, mt_loop_nesting, mt_block_length,
1219         mt_scan_loop, mt_reorg_loops): Renamed, adjusted.
1220         (mt_labels): Renamed.
1221         (mt_add_branches, mt_check_delay_slot, mt_reorg_hazard,
1222         mt_machine_reorg): Renamed, adjusted.
1223         (mt_attribute_table: Renamed.
1224         (TARGET_ATTRIBUTE_TABLE, TARGET_STRUCT_VALUE_RTX,
1225         TARGET_PASS_BY_REFERENCE, TARGET_MUST_PASS_IN_STACK,
1226         TARGET_ARG_PARTIAL_BYTES, TARGET_MACHINE_DEPENDENT_REORG): Adjust.
1227         * config/mt/mt.opt (march): Set mt_cpu_string.
1228         * config/mt/mt.h (mt_ucmpsi3_libcall, mt_cpu): Renamed.
1229         (TARGET_CPU_CPP_BUILTINS): Adjust.
1230         (TARGET_MS1_64_001, TARGET_MS1_16_002, TARGET_MS1_16_003,
1231         TARGET_MS2): Adjust.
1232         (TARGET_VERSION, OVERRIDE_OPTIONS, SECONDARY_RELOAD_CLASS): Adjust.
1233         (MT_MIN_INT): Renamed.
1234         (RETURN_ADDR_RTX): Adjust.
1235         (struct mt_frame_info): Renamed.
1236         (current_frame_info): Adjust type.
1237         (INITIAL_ELIMINATION_OFFSET): Adjust.
1238         (MT_NUM_ARG_REGS): Renamed.
1239         (REG_PARM_STACK_SPACE, FUNCTION_ARG, INIT_CUMULATVE_ARGS,
1240         FUNCTION_ARG_ADVANCE, FUNCTION_ARG_BOUNDARY, FUNCTION_VALUE,
1241         LIBCALL_VALUE, EPILOGUE_USES, EXPAND_BUILTIN_VA_START,
1242         GO_IF_LEGITIMATE_ADDRESS, REG_OK_FOR_BASE_P, ASM_OUTPUT_OPCODE,
1243         FINAL_REPSCAN_INSN, PRINT_OPERAND, PRINT_OPERAND_ADDRESS): Adjust.
1244         (mt_compare_op0, mt_compare_op1): Renamed.
1245         * config/mt/mt-protos.h: Rename prototypes.
1246
1247 2005-12-15  Richard Guenther  <rguenther@suse.de>
1248
1249         * tree-flow.h (okay_component_ref_for_subvars): Remove.
1250         (get_ref_base_and_extent): Declare.
1251         * tree-dfa.c (okay_component_ref_for_subvars): Remove.
1252         (get_ref_base_and_extent): New function.
1253         * tree-ssa-alias.c (find_used_portions): Use it.
1254         * tree-ssa-structalias.c (get_constraint_for_component_ref):
1255         Likewise.
1256         * tree-ssa-operands.c (get_expr_operands): Likewise.
1257
1258 2005-12-15  Paolo Bonzini  <bonzini@gnu.org>
1259
1260         * combine.c: Remove force_to_mode's fourth parameter.
1261         (force_to_mode): Do not handle REG.
1262         (canon_reg_for_combine): New.
1263         (make_field_assignment): Use it where the removed argument was non-NULL.
1264
1265 2005-12-15  Alan Modra  <amodra@bigpond.net.au>
1266
1267         PR target/25406
1268         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Handle
1269         error_mark_node.  Make alignment params unsigned.
1270         * config/rs6000/rs6000-protos.h
1271         (rs6000_special_round_type_align): Update prototype.
1272         (rs6000_machopic_legitimize_pic_address): Remove arg names.
1273
1274 2005-12-14  Ulrich Weigand  <uweigand@de.ibm.com>
1275
1276         PR rtl-optimization/25310
1277         * reload1.c (eliminate_regs_in_insn): Handle lowpart SUBREGs
1278         of the eliminable register when substituting into a PLUS.
1279
1280 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
1281
1282         PR debug/25023
1283         * config/i386/i386.c (ix86_force_to_memory): Always use
1284         SImode push for HImode in -m32.
1285         (ix86_free_from_memory): Likewise.
1286
1287 2005-12-14  Richard Sandiford  <richard@codesourcery.com>
1288
1289         * gcc/config/arm/arm.md: Provide a big-endian version of the
1290         (zero_extend:SI (subreg:QI ...)) splitter.
1291
1292 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1293
1294         * struct-equiv.c (note_local_live): Handle hard regs with different
1295         hard_regno_nregs.
1296
1297 2005-12-14  Jeff Law  <law@redhat.com>
1298
1299         * tree-ssa-ccp.c (fold_stmt_r): DATA argument is now a pointer
1300         to a structure containing state rather than a pointer to bool.
1301         (case ARRAY_REF): New code to handle folding some array references.
1302         (case ADDR_EXPR): Note when we are processing expressions found
1303         within an ADDRE_EXPR.
1304         (fold_stmt, fold_stmt_inplace): Pass in a structure to fold_stmt_r
1305         for state variables rather than just a pointer to a boolean.
1306         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1307         handling of constant string references.
1308
1309 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1310
1311         * config/s390/s390.md ("*tstdi_extimm", "*tstsi_extimm"): Merge.
1312         ("*tstdi_cconly_extimm", "*tstsi_cconly_extimm"): Merge.
1313         ("*tstdi_cconly2", "*tstsi_cconly2"): Merge.
1314         Move other tst* patterns to retain partial order.
1315
1316 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1317
1318         * config/s390/s390.md ("d0", "1"): New mode attributes.
1319         ("<shift>di3", "<shift>si3"): Merge.
1320         ("*<shift>di3_and", "*<shift>si3_and"): Merge.
1321         ("ashrdi3", "ashrsi3"): Merge.
1322         ("*ashrdi3_cc", "*ashrsi3_cc"): Merge.
1323         ("*ashrdi3_cc_and", "*ashrsi3_cc_and"): Merge.
1324         ("*ashrdi3_cconly", "*ashrsi3_cconly"): Merge.
1325         ("*ashrdi3_cconly_and", "*ashrsi3_cconly_and"): Merge.
1326         ("*ashrdi3", "*ashrsi3"): Merge.
1327         ("*ashrdi3_and", "*ashrsi3_and"): Merge.
1328
1329 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1330
1331         * config/s390/s390.md ("extend<mode>di2", "extend<mode>si2"): Merge.
1332         ("*extendqidi2_extimm", "*extendqisi2_extimm"): Merge.
1333         ("*extendqidi2", "*extendqisi2") Merge.
1334         ("*extendqidi2_short_displ", "*extendqisi2_short_displ"): Merge.
1335         ("zero_extendhidi2", "zero_extendqidi2"): Merge.
1336         ("*zero_extend<mode>di2_extimm", "*zero_extend<mode>si2_extimm"): Merge.
1337         Move some patterns to retain partial ordering.
1338
1339 2005-12-14  Adrian Straetling  <straetling@de.ibm.com>
1340
1341         * config/s390/s390.md ("atype", "length"): Rewrite.
1342         ("*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): Add mode.
1343
1344 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1345
1346         * tree-ssa-operands.c (build_ssa_operands): Update leading comment.
1347
1348 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1349
1350         * struct-equiv.c (rtx_equiv_p): Allow arbitrary RVALUE values for
1351         PARALLELs with a mode.
1352
1353 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1354
1355         * cfgloopmanip.c (lv_adjust_loop_entry_edge): Adjust the type of
1356         cond_expr parameter.
1357
1358 2005-12-14  Sebastian Pop  <pop@cri.ensmp.fr>
1359
1360         * loop-unswitch.c (unswitch_loop): Free zero_bitmap before returning.
1361
1362 2005-12-14  J"orn Rennecke <joern.rennecke@st.com>
1363
1364         PR bootstrap/25397:
1365
1366         * struct-equiv.c (struct_equiv_init): Fix off-by-one error in clearing
1367         of STACK_REGS bits.
1368
1369         * struct-euiv.c (rtx_equiv_p): Remove SUBREG case.
1370
1371 2005-12-14  Jakub Jelinek  <jakub@redhat.com>
1372
1373         PR target/25254
1374         PR target/24188
1375         * config/i386/i386.c (x86_64_elf_select_section): If DECL is not
1376         DECL_P, call get_section rather than get_named_section.  Supply
1377         section flags to it.
1378
1379 2005-12-14  Ben Elliston  <bje@au.ibm.com>
1380
1381         * c-common.c (c_common_truthvalue_conversion): Generalise warning
1382         for addresses converted to booleans; not just function addresses.
1383         * c-typeck.c (build_binary_op): Warn for address comparisons which
1384         can never be NULL (eg. func == NULL or &var == NULL).
1385         * common.opt (Walways-true): New option.
1386         * c-opts.c (c_common_handle_option): Set it with -Wall.
1387         * doc/invoke.texi: Document it.
1388
1389 2005-12-13  Paul Brook  <paul@codesourcery.com>
1390
1391         * config/m68k/fpgnulib.c (__unordsf2, __unorddf2, __unordxf2,
1392         __floatunsidf, __floatunsisf, __floatunsixf): New functions.
1393
1394 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1395
1396         * config/mt/t-mt (crti.o, crtn.o): Add multilib options.
1397         (EXTRA_MULTILIB_PARTS): Define.
1398
1399 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1400
1401         PR rtl-optimization/20070 / part1
1402         * flow.c (update_life_info): If PROP_POST_REGSTACK is set, call
1403         count_or_remove_death_notes with kill == -1.
1404         (mark_set_1): Don't add REG_DEAD / REG_UNUSED notes for stack
1405         registers if PROP_POST_REGSTACK is set.
1406         (mark_used_reg): Likewise.
1407         (count_or_remove_death_notes): If kill is -1, don't remove REG_DEAD /
1408         REG_UNUSED notes for stack regs.
1409         * cfgcleanup.c (condjump_equiv_p): Change parameters and processing
1410         to match rtx_equiv_p machinery.  Change caller.
1411         (outgoing_edges_match): Likewise.
1412         (try_crossjump_to_edge): Use struct_equiv_block_eq
1413         instead of flow_find_cross_jump.
1414         * basic-block.h (PROP_POST_REGSTACK, STRUCT_EQUIV_START): Define.
1415         (STRUCT_EQUIV_RERUN, STRUCT_EQUIV_FINAL): Likewise.
1416         (STRUCT_EQUIV_NEED_FULL_BLOCK, STRUCT_EQUIV_MATCH_JUMPS): Likewise.
1417         (STRUCT_EQUIV_MAX_LOCAL): Likewise.
1418         (struct struct_equiv_checkpoint, struct equiv_info): Likewise.
1419         (insns_match_p): Update prototype.
1420         (flow_find_cross_jump): Remove prototype.
1421         (struct_equiv_block_eq, struct_equiv_init): Declare.
1422         (rtx_equiv_p, condjump_equiv_p): Likewise.
1423         * struct-equiv.c: Include reload.h.
1424         (IMPOSSIBLE_MOVE_FACTOR): Define.
1425         (assign_reg_reg_set, struct_equiv_make_checkpoint): New functions.
1426         (struct_equiv_improve_checkpoint): Likewise.
1427         (struct_equiv_restore_checkpoint, rtx_equiv_p): Likewise.
1428         (set_dest_equiv_p, set_dest_addr_equiv_p, struct_equiv_init): Likewise.
1429         (struct_equiv_merge, find_dying_input): Likewise.
1430         (resolve_input_conflict, note_local_live): Likewise.
1431         (death_notes_match_p): Change parameters and processing
1432         to match rtx_equiv_p machinery.  Change caller.
1433         (insns_match_p): Likewise.
1434         (flow_find_cross_jump): Replace with:
1435         (struct_equiv_block_eq).
1436
1437         Back out this change:
1438         2005-03-07  Kazu Hirata  <kazu@cs.umass.edu>
1439           * recog.c (verify_changes): Make it static.
1440           * recog.h: Remove the corresponding prototype.
1441
1442 2005-12-13  J"orn Rennecke <joern.rennecke@st.com>
1443
1444         * rtlhooks.c (gen_lowpart_general): Handle SUBREGs of floating point
1445         values.
1446
1447 2005-12-13  Nathan Sidwell  <nathan@codesourcery.com>
1448
1449         * config/mt/t-mt (MULTILIB_OPTIONS): Add ms2
1450         (MULTILIB_DIRNAMES): Add ms2.  Prefix ms1 dirs with 'ms1'.
1451         * config/mt/mt.c (ms1_final_prescan): Use TARGET_MS2,
1452         TARGET_MS1_64_001 appropriately.
1453         (ms1_machine_reorg): Use TARGET_MS2.
1454
1455 2005-12-13  Jakub Jelinek  <jakub@redhat.com>
1456
1457         PR debug/25023
1458         PR target/25293
1459         * expr.c (emit_move_resolve_push): Handle PRE_MODIFY
1460         and POST_MODIFY with CONST_INT adjustment equal to PUSH_ROUNDING.
1461         Fix POST_INC/POST_DEC handling if PUSH_ROUNDING is not identity.
1462         * config/i386/i386.md (pushhi2, pushqi2): Use pushl instead of pushw.
1463         Set mode to SI, adjust constraints.
1464         (pushhi2_rex64, pushqi2_rex64): Set mode to DI.
1465         * config/i386/i386.h (PUSH_ROUNDING): Round up to 4 instead of 2 for
1466         32-bit code.
1467
1468 2005-12-13  Carlos O'Donell <carlos@codesourcery.com>
1469
1470         * c-cppbuiltin.c (builtin_define_float_constants): Add
1471         fp_cast parameter, pass to builtin_define_with_hex_fp_value.
1472         Define __FLT_HAS_DENORM__, __DBL_HAS_DENORM__, __LDBL_HAS_DENORM__.
1473         (builtin_define_with_hex_fp_value): Use fp_cast when building macro.
1474         (c_cpp_builtins): If flag_single_precision_constant then set fp_cast
1475         to "((double)%sL)" otherwise "%s".
1476
1477 2005-12-13  Paul Brook  <paul@codesourcery.com>
1478
1479         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Pass -meabi=gnu for
1480         apcs/atpcs.
1481
1482 2005-12-11 Rafael vila de Espndola <rafael.espindola@gmail.com>
1483
1484         * tree-flow.h: Allow compilation with a C++ compiler.
1485         (struct edge_prediction): Prefix all field names  with "ep_".
1486         * predict.c (tree_predicted_by_p): Likewise for struct edge_prediction.
1487         (tree_predict_edge, combine_predictions_for_bb): Likewise.
1488         (remove_predictions_associated_with_edge): Likewise.
1489         
1490 2005-12-12  Jeff Law  <law@redhat.com>
1491
1492         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Remove
1493         reassociation code.
1494         * passes.c (init_optimization_passes): Run reassociation again
1495         after loop optimizations.
1496
1497 2005-12-12  Daniel Berlin  <dberlin@dberlin.org>
1498
1499         * tree-ssa-dom.c (thread_across_edge): Canonicalize condition
1500         if necessary.
1501         (optimize_stmt): Ditto.
1502         (canonicalize_comparison): New function.
1503         * tree-ssa-operands.c (swap_tree_operands): Make external.
1504         (get_expr_operands): Stop auto-canonicalization.
1505         * tree-ssa-reassoc.c: Rewrite.
1506         (init_optimization_passes): 
1507         * tree-flow.h (swap_tree_operands): Prototype.
1508         * Makefile.in (tree-ssa-reassoc.o): Update dependencies.
1509
1510 2005-12-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1511
1512         * pa.c (pa_output_function_epilogue): Set cfun->machine->in_nsubspa to
1513         indicate function epilogue has been output.
1514         (pa_asm_output_mi_thunk): Likewise.
1515         (output_deferred_plabels): Put plabels in readonly data section when
1516         not generating PIC code.
1517         (som_output_text_section_asm_op): Use .NSUBSPA to output debug
1518         information.  Add assert.
1519         (som_output_comdat_data_section_asm_op): New function.
1520         (pa_som_asm_init_sections): Use som_output_comdat_data_section_asm_op
1521         instead of output_section_asm_op for COMDAT sections.
1522
1523 2005-12-12  J"orn Rennecke <joern.rennecke@st.com>
1524
1525         * cfgcleanup.c (condjump_equiv_p, try_crossjump_to_edge):
1526         Fix whitespace in vincinity of to-be-installed changes.
1527         * struct-equiv.c (merge_memattrs, death_notes_match_p): Fix whitespace.
1528         (insns_match_p): Likewise.
1529
1530 2005-12-12  Nathan Sidwell  <nathan@codesourcery.com>
1531
1532         * config.gcc (ms1): Replace with ...
1533         (mt): ... this.
1534         * config/ms1: Rename to ...
1535         * config/mt: ... here.  Rename ms1 files to mt.
1536         * config/mt/mt.c: Adjust gt-mt.h #include.
1537         * config/mt/t-mt (LIB1ASMSRCS, LIB2FUNCS_EXTRA): Adjust.
1538         (crti.o, crtn.o): Adjust file names.
1539
1540 2005-12-12  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1541
1542         * varray.h: Allow compilation with a C++ compiler.
1543         (union varray_data_tag): Prefix all field names with "vdt_".
1544         (VARRAY_CHAR, VARRAY_UCHAR, VARRAY_SHORT, VARRAY_USHORT,
1545         VARRAY_INT, VARRAY_UINT, VARRAY_LONG, VARRAY_ULONG,
1546         VARRAY_WIDE_INT, VARRAY_UWIDE_INT, VARRAY_GENERIC_PTR,
1547         VARRAY_GENERIC_PTR_NOGC, VARRAY_CHAR_PTR, VARRAY_RTX,
1548         VARRAY_RTVEC, VARRAY_TREE, VARRAY_BITMAP, VARRAY_REG, VARRAY_BB,
1549         VARRAY_ELT_LIST, VARRAY_EDGE, VARRAY_TREE_PTR): Adjust definition.
1550         (VARRAY_PUSH_CHAR, VARRAY_PUSH_UCHAR, VARRAY_PUSH_SHORT,
1551         VARRAY_PUSH_USHORT, VARRAY_PUSH_INT, VARRAY_PUSH_UINT, 
1552         VARRAY_PUSH_LONG, VARRAY_PUSH_ULONG, VARRAY_PUSH_WIDE_INT, 
1553         VARRAY_PUSH_UWIDE_INT, VARRAY_PUSH_GENERIC_PTR, 
1554         VARRAY_PUSH_GENERIC_PTR_NOGC, VARRAY_PUSH_CHAR_PTR, 
1555         VARRAY_PUSH_RTX, VARRAY_PUSH_RTVEC, VARRAY_PUSH_TREE, 
1556         VARRAY_PUSH_BITMAP, VARRAY_PUSH_REG, VARRAY_PUSH_BB, 
1557         VARRAY_PUSH_EDGE, VARRAY_PUSH_TREE_PTR): Likewise.
1558         (VARRAY_TOP_CHAR, VARRAY_TOP_UCHAR, VARRAY_TOP_SHORT, 
1559         VARRAY_TOP_USHORT, VARRAY_TOP_INT, VARRAY_TOP_UINT, 
1560         VARRAY_TOP_LONG, VARRAY_TOP_ULONG, VARRAY_TOP_WIDE_INT, 
1561         VARRAY_TOP_UWIDE_INT, VARRAY_TOP_GENERIC_PTR, 
1562         VARRAY_TOP_GENERIC_PTR_NOGC, VARRAY_TOP_CHAR_PTR, VARRAY_TOP_RTX, 
1563         VARRAY_TOP_RTVEC, VARRAY_TOP_TREE, VARRAY_TOP_BITMAP, 
1564         VARRAY_TOP_REG, VARRAY_TOP_BB, VARRAY_TOP_EDGE, 
1565         VARRAY_TOP_TREE_PTR): Likewise.
1566         * varray.c (varray_grow): Likewise.
1567         (varray_clear): Likewise.
1568
1569 2005-12-12  Alan Modra  <amodra@bigpond.net.au>
1570
1571         PR target/25299
1572         * config/rs6000/rs6000.c (rs6000_special_round_type_align): Increase
1573         alignment to doubleword if the first field is a double array.
1574         * config/rs6000/linux64.h (TARGET_ALIGN_NATURAL): Define.
1575
1576 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1577
1578         * tree-ssa-structalias.c (process_constraint): Remove code to
1579         transform addressofs into scalar.
1580         (create_variable_info_for): In whole-program IPA, globals don't
1581         point to ANYTHING by default.
1582
1583 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1584
1585         * timevar.def (TV_IPA_PTA): New.
1586         * tree-pass.h (pass_ipa_pta): New
1587         * tree-ssa-structalias.c: Include cgraph.h
1588         (in_ipa_mode): New.
1589         (predbitmap_obstack): New.
1590         (EXECUTE_IF_IN_NONNULL_BITMAP): New.
1591         (struct constraint_stats): Add num_edges.
1592         (new_var_info): Don't call bitmap_clear.
1593         (struct constraint_edge): Update docs.
1594         (new_constraint_edge): Remove src param.
1595         (struct constraint_graph): Add zero_weight_succs,
1596         zero_weight_preds.  Update docs.
1597         (constraint_expr_equal): Reformat.
1598         (constraint_edge_equal): Update for removal of src.
1599         (constraint_edge_less): Ditto.
1600         (constraint_edge_vec_find): Ditto.
1601         (erase_graph_self_edge): Update for removal of src and and zero
1602         weight bitmap.
1603         (clear_edges_for_node): Ditto.
1604         (add_graph_edge): Ditto.
1605         (get_graph_weights): Ditto.
1606         (allocate_graph_weights): Ditto.
1607         (merge_graph_nodes): Ditto.
1608         (int_add_graph_edge): Ditto.
1609         (valid_graph_edge): Ditto.
1610         (valid_weighted_graph_edge): Ditto.
1611         (build_constraint_graph): Ditto.
1612         (scc_visit): Ditto.
1613         (collapse_nodes): Ditto.
1614         (process_unification_queue): Ditto.
1615         (topo_visit): Ditto.
1616         (solve_graph): Ditto.
1617         (do_structure_copy): Ditto.
1618         (perform_var_substitution): Ditto.
1619         Init and release obstack.
1620         (handle_ptr_arith): Try to resolve directly.
1621         (find_func_aliases): Don't call update_alias_info here
1622         Handle RETURN_EXPR, and CALL_EXPR's in IPA mode.
1623         (do_sd_constraint): Add code for propagating faster.
1624         Update.
1625         (do_ds_constraint): Ditto.
1626         (count_num_arguments): New function.
1627         (create_function_info_for): Ditto.
1628         (create_variable_info_for): Handle FUNCTION_DECL.
1629         (intra_create_variable_infos): Use make_constraint_to_anything.
1630         (init_alias_vars): Init obstacks here.
1631         (need_to_solve): Handle zero weight graph changes.
1632         (compute_points_to_sets): Call update_alias_info here.
1633         (delete_points_to_sets): Free zero weight preds/succs here.
1634         (gate_ipa_pta): New.
1635         (ipa_pta_execute): New
1636
1637 2005-12-11  Daniel Berlin  <dberlin@dberlin.org>
1638
1639         * tree-ssa-structalias.c (var_anyoffset): Removed.
1640         (anyoffset_tree): Ditto.
1641         (anyoffset_id): Ditto.
1642         (do_deref): Take vector of constraints, no return value.
1643         Update to work on vector.                
1644         (get_constraint_for): Ditto.
1645         (get_constraint_for_component_ref): Ditto.
1646         (do_structure_copy): Ditto.
1647         (handle_ptr_arith): Ditto.
1648         (find_func_aliases): Ditto.
1649         (set_uids_in_ptset): Remove anyoffset handling.
1650         (init_base_vars): Ditto.
1651
1652 2005-12-10  Mark Mitchell  <mark@codesourcery.com>
1653
1654         PR c++/25010
1655         * ipa-inline.c (cgraph_clone_inlined_nodes): Do not assume that
1656         DECL_EXTERNAL functions have no bodies.  Tidy.
1657
1658 2005-12-10  Andreas Schwab  <schwab@suse.de>
1659
1660         * except.c (switch_to_exception_section): Only define if
1661         TARGET_UNWIND_INFO is not defined.
1662
1663 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1664
1665         * config/darwin.h (HAS_INIT_SECTION): Remove definition.
1666         (INIT_SECTION_ASM_OP): Restore empty definition from before 2005-12-07.
1667
1668 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1669
1670         * output.h (init_section, fini_section): Delete.
1671         * varasm.c (init_section, fini_section): Delete.
1672         (init_varasm_once): Don't initialize them.
1673         * doc/tm.texi (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Say that
1674         there are no corresponding varasm.c variables.
1675
1676 2005-12-10  Richard Sandiford  <richard@codesourcery.com>
1677
1678         * dwarf2out.c (default_eh_frame_section): Delete, moving handling
1679         of EH_FRAME_SECTION_NAME into...
1680         (switch_to_eh_frame_section): ...here.  Try to set eh_frame_section
1681         if it is still null.
1682         * except.c (default_exception_section): Delete, moving most
1683         of the code to...
1684         (switch_to_exception_section): ...this new function.  Set
1685         exception_section if it is still null, then switch to it.
1686         (output_function_exception_table): Use switch_to_exception_section.
1687         * varasm.c (exception_section, eh_frame_section): Update comments.
1688         (get_section): Hoist use of SECTION_NAMED.
1689         (init_varasm_once): Don't set exception_section and eh_frame_section.
1690         * output.h (default_exception_section): Delete.
1691         (default_eh_frame_section): Delete.
1692
1693 2005-12-09  Bernd Schmidt  <bernd.schmidt@analog.com>
1694
1695         * config/bfin/bfin.c: Include "cgraph.h".
1696         (bfin_load_pic_reg): Omit loading pic reg if in a local function.
1697         Return the reg that holds the pointer to the GOT.
1698         (bfin_expand_prologue): Use return value of bfin_load_pic_reg when
1699         doing stack checking.
1700
1701 2005-12-09  Diego Novillo  <dnovillo@redhat.com>
1702
1703         * tree.c (recompute_tree_invariant_for_addr_expr): Rename from
1704         recompute_tree_invarant_for_addr_expr.
1705         Update uses everywhere.
1706
1707 2005-12-09  Aldy Hernandez  <aldyh@redhat.com>
1708
1709         * config/ms1/t-ms1 (MULTILIB_OPTIONS): Define.
1710         (MULTILIB_DIRNAMES): Define.
1711
1712 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1713
1714         PR target/25311
1715         * config/s390/s390.c (struct s390_address): New field literal_pool.
1716         (s390_decompose_address): Compute literal_pool field.  Do not 
1717         assume register %r13 is always (and solely) used as pool base.
1718         (s390_extra_constraint_str): Use literal_pool field.
1719
1720 2005-12-09  Thiemo Seufer  <ths@networkno.de>
1721
1722         * config/mips/mips.c (override_options): Don't allow too small
1723         integers in FP registers.
1724
1725 2005-12-09  Ulrich Weigand  <uweigand@de.ibm.com>
1726
1727         * config/s390/s390.c (s390_function_ok_for_sibcall): Use
1728         targetm.binds_local_p to check for local function calls.
1729
1730 2005-12-09  Alan Modra  <amodra@bigpond.net.au>
1731
1732         PR debug/24908
1733         * dwarf2out.c (dwarf2out_frame_debug_expr): Don't assert that
1734         call_used_regs can't be used to save reg in another reg.
1735
1736 2005-12-08  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
1737             Christophe Jaillet  <christophe.jaillet@wanadoo.fr>
1738
1739         * ipa-type-escape.c (analyze_variable): Use gcc_assert instead of
1740         abort.
1741         * except.c (output_ttype): Likewise.
1742         * tree-object-size.c (collect_object_sizes_for): Likewise.
1743         (check_for_plus_in_loops_1): Likewise.
1744         (check_for_plus_in_loops): Likewise.
1745         (compute_object_sizes): Use gcc_unreachable instead of abort.
1746
1747 2005-12-08  Nathan Sidwell  <nathan@codesourcery.com>
1748
1749         * config/ms1/ms1.md (UNSPEC_LOOP): New constant.
1750         (loop_end, loop_init, doloop_end): New insns.
1751         * config/ms1/ms1.h (LOOP_FIRST, LOOP_LAST): New.
1752         (SPECIAL_REG_FIRST, FIRST_PSEUDO_REGISTER): Adjust.
1753         (FIXED_REGISTERS, CALL_USED_REGISTERS): Adjust.
1754         (REG_CLASS_CONTENTS, REGISTER_NAMES): Adjust.
1755         * config/ms1/ms1.c: #include basic-block.h
1756         (struct machine_function): Add has_loops field.
1757         (ms1_add_loop): New.
1758         (MAX_LOOP_DEPTH, MAX_LOO_LENGTH): New.
1759         (struct loop_info, struct loop_work): New.
1760         (ms1_loop_nesting, ms1_block_length, ms1_scan_loop): New workers.
1761         (ms1_reorg_loops): New loop optimization.
1762         (ms1_machine_reorg): Call it.
1763         * config/ms1/ms1-protos.h (ms1_add_loop): Declare.
1764
1765 2005-12-08  Zdenek Dvorak  <dvorakz@suse.cz>
1766
1767         PR tree-optimization/25248
1768         * tree-scalar-evolution.c (follow_ssa_edge_in_rhs): Do not use
1769         evolution_of_loop from the failed attempt.  Remove handling
1770         of MULT_EXPR.
1771
1772 2005-12-08  Gabriel Dos Reis  <gdr@integrable-solutions.net>
1773
1774         * tree.h (DECL_EXTERNAL): Clarify documentation.
1775
1776 2005-12-08  Andreas Krebbel  <krebbel1@de.ibm.com>
1777             Jakub Jelinek  <jakub@redhat.com>
1778
1779         PR target/25268
1780         * config/s390/s390.c (s390_decompose_shift_count): Remove BITS
1781         argument.  Don't drop outer ANDs.
1782         (s390_extra_constraint_str, print_shift_count_operand): Adjust callers.
1783         * config/s390/s390-protos.h (s390_decompose_shift_count): Adjust
1784         prototype.
1785         * config/s390/predicates.md (setmem_operand): Remove.
1786         (shift_count_operand): Rename to...
1787         (shift_count_or_setmem_operand): ... this.  Adjust
1788         s390_decompose_shift_count caller.
1789         * config/s390/s390.md (<shift>di3_31_and, <shift>di3_64_and,
1790         ashrdi3_cc_31_and, ashrdi3_cconly_31_and, ashrdi3_31_and,
1791         ashrdi3_cc_64_and, ashrdi3_cconly_64_and, ashrdi3_64_and,
1792         <shift>si3_and, ashrsi3_cc_and, ashrsi3_cconly_and, ashrsi3_and,
1793         rotl<mode>3_and, setmem_long_and): New insns.
1794         (<shift>di3_31, <shift>di3_64, ashrdi3_cc_31, ashrdi3_cconly_31,
1795         ashrdi3_31, ashrdi3_cc_64, ashrdi3_cconly_64, ashrdi3_64,
1796         <shift>si3, ashrsi3_cc, ashrsi3_cconly, ashrsi3, rotl<mode>3,
1797         <shift>di3, ashrdi3): Use shift_count_or_setmem_operand instead
1798         of shift_count_operand.
1799         (setmem_long): Use shift_count_or_setmem_operand instead of
1800         setmem_operand.
1801
1802 2005-12-08  Daniel Jacobowitz  <dan@codesourcery.com>  
1803             Andreas Tobler  <a.tobler@schweiz.ch>
1804
1805         * Makefile.in (ALL_GTFILES_H): Replace sed statement with more portable
1806         tr expression.
1807
1808 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1809
1810         * expr.c (force_operand): Use convert_to_mode for conversions.
1811
1812 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1813
1814         * reload.h (reg_equiv_invariant): Declare.
1815         * reload.c (refers_to_regno_for_reload_p): Allow R to be a pseudo
1816         register also when reg_equiv_invariant[R] is set.
1817
1818 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1819             Andreas Tobler  <a.tobler@schweiz.ch>
1820
1821         * config/darwin.h: Guard section variables with #ifndef USED_FOR_TARGET.
1822
1823 2005-12-07  Daniel Berlin  <dberlin@dberlin.org>
1824
1825         * tree-ssa-pre.c (bitmap_set_and): New function.
1826         (bitmap_set_and_compl): New function.
1827         (bitmap_set_empty_p): New function.
1828         (insert_extra_phis): New function.
1829         (compute_avail): Use insert_extra_phis.
1830
1831 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1832
1833         * config/s390/s390.c (s390_expand_atomic): New function.
1834         Adjust comment of helper functions.
1835         * config/s390/s390-protos.h (s390_expand_atomic): Declare.
1836         * config/s390/s390.md ("ATOMIC"): New code macro.
1837         ("atomic"): Corresponding new code attribute.
1838         ("sync_lock_test_and_set[hq]i", 
1839         "sync_{new_,old_,}{and,ior,xor,add,sub,nand}[hq]i"): New pattern.
1840
1841 2005-12-07  Adrian Straetling  <straetling@de.ibm.com>
1842
1843         * config/s390/s390.c (s390_expand_mask_and_shift, 
1844         struct alignment_context, init_alignment_context, 
1845         s390_expand_cs_hqi): New.
1846         * config/s390/s390-protos.h (s390_expand_cs_hqi): Declare.
1847         * config/s390/s390.md ("sync_compare_and_swaphi",
1848         "sync_compare_and_swapqi"): New pattern.
1849
1850 2005-12-07  Daniel Berlin <dberlin@dberlin.org>
1851
1852         Fix PR tree-optimization/25291
1853         * tree-ssa-operands.c (add_call_clobber_ops): Remove
1854         redundant and crashing check.
1855
1856 2005-12-08  Alan Modra  <amodra@bigpond.net.au>
1857
1858         PR target/25212
1859         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Relax
1860         tests further when !strict && reload_in_progress.
1861         (print_operand): Check that both operands of indexed address are regs.
1862         (print_operand_address): Likewise.
1863         * config/rs6000/rs6000.h (INT_REG_OK_FOR_INDEX_P): Simplify.
1864         (INT_REG_OK_FOR_BASE_P): Correct.
1865
1866 2005-12-07  J"orn Rennecke <joern.rennecke@st.com>
1867
1868         Preparation for PR rtl-optimization/20070 / part1
1869         * basic-block.h (insns_match_p, flow_find_cross_jump): Declare.
1870         * cfgcleanup.c (condjump_equiv_p): New function, broken out of
1871         outgoing_edges_match.
1872         (outgoing_edges_match): Use condjump_equiv_p.
1873         (merge_memattrs, insns_match_p, flow_find_cross_jump): Move from here
1874         into..
1875         * struct-equiv.c: New file.
1876         (death_notes_match_p) New function, broken out of insns_match_p.
1877         * Makefile.in (OBJS-common): Add struct-equiv.o.
1878         (struct-equiv.o): New target.
1879
1880 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1881
1882         * coretypes.h: Revert previous change.
1883         * config/darwin.h: Revert previous reversion.
1884         * config/avr/avr.h (progmem_section): Guard with #ifndef IN_LIBGCC2.
1885
1886 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1887
1888         * coretypes.h (section): Provide dummy definition for target files.
1889         * config/darwin.h: Revert previous change.
1890
1891 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1892
1893         * doc/sourcebuild.texi (all.build, install-normal): Remove.
1894         * configure.ac: Remove all.build and install-normal from target_list
1895         * configure: Regenerate.
1896         * Makefile.in (install): Don't depend on install-normal.
1897
1898 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1899
1900         * Makefile.in: Document the use of stamps.
1901
1902 2005-12-07  Rafael vila de Espndola  <rafael.espindola@gmail.com>
1903
1904         * doc/gty.texi: Remove instructions for adding a dependency on s-gtype.
1905         * Makefile.in: Add code to compute some dependencies on s-gtype
1906         automatically.  Remove the declaration of those dependencies.
1907
1908 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1909
1910         * gcc/reload.c (push_secondary_reload): Fix typo:
1911         s/insn_constraint/scratch_constraint/.
1912
1913 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1914
1915         * config/darwin.h: Guard section variables with #ifndef IN_LIBGCC2.
1916
1917 2005-12-07  Richard Sandiford  <richard@codesourcery.com>
1918
1919         * config/alpha/alpha.c (alpha_start_function): Use switch_to_section.
1920         (alpha_elf_select_rtx_section): Return the selected section rather
1921         than emitting assembly code.
1922         (alpha_write_linkage): Emit a ".link" directive directly and then
1923         set in_section to NULL.
1924         (vms_asm_out_constructor): Use switch_to_section.
1925         (vms_asm_out_destructor): Likewise.
1926         (unicosmk_output_common): Set in_section to NULL instead of calling
1927         the dummy common_section function.
1928         (unicosmk_text_section): Delete in favor of...
1929         (unicosmk_output_text_section_asm_op): ...this new function.
1930         (unicosmk_data_section): Delete in favor of...
1931         (unicosmk_output_data_section_asm_op): ...this new function.
1932         (unicosmk_init_sections): New function.
1933         (unicosmk_output_deferred_case_vectors): Use switch_to_section.
1934         (unicosmk_output_ssib): Set in_section to NULL instead of calling
1935         the dummy ssib_section function.
1936         (unicosmk_section_buf): Delete.
1937         * config/alpha/alpha-protos.h (unicosmk_text_section): Delete.
1938         (unicosmk_data_section): Delete.
1939         * config/alpha/elf.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1940         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, sbss_section, sdata_section)
1941         (SECTION_FUNCTION_TEMPLATE): Delete.
1942         * config/alpha/unicosmk.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP)
1943         (READONLY_DATA_SECTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
1944         (common_section, COMMON_SECTION, ssib_section, SSIB_SECTION): Delete.
1945         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1946         (TARGET_ASM_INIT_SECTIONS): Define.
1947         * config/alpha/vms.h (LINK_SECTION_ASM_OP, LITERALS_SECTION_ASM_OP)
1948         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1949         (link_section, literals_section): Delete.
1950         (ASM_OUTPUT_DEF): Emit the ".literal" directive directly and then
1951         set in_section to NULL.
1952
1953         * config/arm/aof.h (TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Delete.
1954         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, ZERO_INIT_SECTION): Delete.
1955         (COMMON_SECTION): Delete.
1956         (TARGET_ASM_INIT_SECTIONS): Define.
1957         (ASM_OUTPUT_COMMON): Set in_section to NULL rather than calling
1958         the dummy common_section function.
1959         * config/arm/aout.h (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
1960         * config/arm/arm.c (get_jump_table_size): Use pointer comparison
1961         between readonly_data_section and text_section to check whether
1962         read-only data is being put in the text section.
1963         (arm_output_function_epilogue): Use switch_to_section.
1964         (arm_elf_asm_constructor): Likewise.
1965         (thumb_call_via_reg): Replace call to in_text_section with
1966         a comparison between in_section and text_section.
1967         (arm_file_end): Use switch_to_section.
1968         (aof_text_section): Delete in favor of...
1969         (aof_output_text_section_asm_op): ...this new function.
1970         (aof_data_section): Delete in favor of...
1971         (aof_output_data_section_asm_op): ...this new function.
1972         (aof_asm_init_sections): New function.
1973         (zero_init_section): Moved from config/arm/aof.h.
1974         (aof_dump_imports, aof_file_start): Use switch_to_section.
1975         * config/arm/arm.h (thumb_call_via_label): Update comment.
1976         * config/arm/arm-protos.h (aof_text_section, aof_data_section): Delete.
1977         (common_section): Delete.
1978         * config/arm/pe.h (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
1979         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
1980         global switch_to_section function instead of the old port-local one.
1981         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION)
1982         (SWITCH_TO_SECTION_FUNCTION): Delete.
1983         (drectve_section): Redefine as a macro.
1984         * config/arm/unknown-elf.h (ASM_OUTPUT_ALIGNED_BSS):
1985         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use get_named_section and
1986         switch_to_section.
1987
1988         * config/avr/avr.c (progmem_section): New variable.
1989         (avr_output_progmem_section_asm_op): New function.
1990         (avr_asm_init_sections): New function.
1991         (avr_output_addr_vec_elt): Use switch_to_section.
1992         * config/avr/avr.h (progmem_section): Declare.
1993         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
1994         (READONLY_DATA_SECTION): Delete.
1995         (TARGET_ASM_INIT_SECTIONS): Define.
1996         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
1997         * config/avr/avr-protos.h (progmem_section): Delete.
1998
1999         * config/bfin/bfin.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2000
2001         * config/c4x/c4x.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2002         (INIT_SECTION_FUNCTION, FINI_SECTION_FUNCTION): Delete.
2003
2004         * config/darwin-sections.def: New file.
2005         * config/darwin.c: Define all sections in darwin-sections.def.
2006         (output_objc_section_asm_op, darwin_init_sections): New functions.
2007         (machopic_output_indirection): Use switch_to_section.
2008         (machopic_select_section): Return the selected section rather than
2009         emitting assembly code.  Replace the static function table with
2010         inline conditional expressions.  Update the tests of last_text_section
2011         and move them into the FUNCTION_DECL block.
2012         (machopic_select_rtx_section): Return the selected section rather than
2013         emitting assembly code.
2014         (machopic_asm_out_constructor, machopic_asm_out_destructor)
2015         (darwin_file_end): Use switch_to_section.
2016         * config/darwin.h: Use darwin-sections.def to declare sections.
2017         (INIT_SECTION_ASM_OP): Remove empty definition.
2018         (HAS_INIT_SECTION): Define this instead.
2019         (SECTION_FUNCTION, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2020         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
2021         (TARGET_ASM_EH_FRAME_SECTION): Delete.
2022         (TARGET_ASM_INIT_SECTIONS): Define.
2023         * config/darwin-protos.h (darwin_init_sections): Declare.
2024         (machopic_picsymbol_stub_section, machopic_picsymbol_stub1_section)
2025         (machopic_symbol_stub_section, machopic_symbol_stub1_section): Delete.
2026         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
2027         (constructor_section, destructor_section, mod_init_section): Delete.
2028         (mod_term_section): Delete.
2029         (darwin_exception_section, darwin_eh_frame_section): Delete.
2030         (machopic_select_section): Return a section.
2031         (machopic_select_rtx_section): Likewise.
2032         (text_coal_section, text_unlikely_section, text_unlikely_coal_section)
2033         (const_section, const_coal_section, const_data_section): Delete.
2034         (const_data_coal_section, data_coal_section, cstring_section): Delete.
2035         (literal4_section, literal8_section, constructor_section): Delete.
2036         (mod_init_section, mod_term_section, destructor_section): Delete.
2037         (objc_class_section, objc_meta_class_section, objc_category_section)
2038         (objc_class_vars_section, objc_instance_vars_section): Delete.
2039         (objc_cls_meth_section, objc_inst_meth_section): Delete.
2040         (objc_cat_cls_meth_section, objc_cat_inst_meth_section): Delete.
2041         (objc_selector_refs_section, objc_selector_fixup_section): Delete.
2042         (objc_symbols_section, objc_module_info_section): Delete.
2043         (objc_image_info_section, objc_protocol_section): Delete.
2044         (objc_string_object_section, objc_constant_string_object_section)
2045         (objc_class_names_section, objc_meth_var_names_section): Delete.
2046         (objc_meth_var_types_section, objc_cls_refs_section): Delete.
2047         (machopic_lazy_symbol_ptr_section, machopic_nl_symbol_ptr_section)
2048         (machopic_symbol_stub_section, machopic_picsymbol_stub_section)
2049         (darwin_exception_section, darwin_eh_frame_section): Delete.
2050         * config/t-darwin (darwin.o): Depend on config/darwin-sections.def.
2051
2052         * config/frv/frv.c (frv_asm_out_constructor): Use switch_to_section.
2053         (frv_asm_out_destructor): Likewise.
2054         * config/frv/frv.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2055         (SDATA_SECTION_FUNCTION, FIXUP_SECTION_FUNCTION): Delete.
2056         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use switch_to_section and
2057         get_named_section.
2058         (ASM_OUTPUT_CASE_LABEL): Use switch_to_section.
2059         * config/frv/frv-protos.h (fixup_section, sdata_section, sbss_section)
2060         (data_section): Delete.
2061
2062         * config/i386/cygming.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2063         (DRECTVE_SECTION_FUNCTION): Delete.
2064         (drectve_section): Redefine as a macro that sets in_section after
2065         emitting the directive.
2066         (SWITCH_TO_SECTION_FUNCTION): Delete.
2067         * config/i386/darwin.h (ASM_OUTPUT_ALIGN): Replace call to
2068         in_text_section with comparison between in_section and text_section.
2069         * config/i386/i386.c (x86_64_elf_select_section): Return the section
2070         rather than emitting assembly code.  Use get_named_section.
2071         (x86_output_aligned_bss, ix86_file_end): Use switch_to_section and
2072         get_named_section.
2073         (machopic_output_stub): Use switch_to_section.
2074         * config/i386/nwld.c (nwld_named_section_asm_out_constructor)
2075         (nwld_named_section_asm_out_destructor): Use get_section and
2076         switch_to_section.
2077
2078         * config/ia64/ia64.c (ia64_select_rtx_section): Return the section
2079         rather than emitting assembly code.
2080         (ia64_rwreloc_select_section): Likewise.
2081         (ia64_rwreloc_select_rtx_section): Likewise.
2082         * config/ia64/ia64-protos.h (sdata_section, sbss_section): Delete.
2083         * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Use
2084         switch_to_section.
2085         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2086         (SDATA_SECTION_FUNCTION, SBSS_SECTION_FUNCTION): Delete.
2087
2088         * config/iq2000/iq2000.c (iq2000_select_rtx_section): Return the
2089         section rather than emitting assembly code.
2090         (iq2000_select_section): Likewise.
2091         * config/iq2000/iq2000.h (rdata_section, sdata_section): Delete.
2092         (sbss_section): Delete.
2093
2094         * config/m32r/m32r.h (ASM_OUTPUT_ALIGNED_BSS): Use switch_to_section
2095         and get_named_section.
2096         * config/m32r/m32r-protos.h (sbss_section, sdata_section): Delete.
2097
2098         * config/mcore/mcore-elf.h (EXPORTS_SECTION_ASM_OP): Delete.
2099         (SUBTARGET_EXTRA_SECTIONS, SUBTARGET_EXTRA_SECTION_FUNCTIONS): Delete.
2100         (EXPORT_SECTION_FUNCTION, SUBTARGET_SWITCH_SECTIONS): Delete.
2101         (MCORE_EXPORT_NAME): Emit the exports directive directly, then set
2102         in_section to NULL.
2103         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2104         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2105         global switch_to_section function instead of the old port-local one.
2106         * config/mcore/mcore.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2107         (SWITCH_SECTION_FUNCTION): Delete.
2108         * config/mcore/mcore-pe.h (SUBTARGET_SWITCH_SECTIONS): Delete.
2109         (DRECTVE_SECTION_ASM_OP, SUBTARGET_EXTRA_SECTIONS): Delete.
2110         (SUBTARGET_EXTRA_SECTION_FUNCTIONS, DRECTVE_SECTION_FUNCTION): Delete.
2111         (MCORE_EXPORT_NAME): Emit ".section .drectve" directly, then set
2112         in_section to NULL.
2113         (ASM_DECLARE_OBJECT_NAME): Update the type of save_section.  Use the
2114         global switch_to_section function instead of the old port-local one.
2115         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.
2116
2117         * config/mips/mips.c (mips_file_start): Update comment.
2118         (mips_output_aligned_bss): Use switch_to_section and get_named_section.
2119         (mips_output_aligned_decl_common): Use switch_to_section.
2120         (mips_select_rtx_section): Return the section rather than emitting
2121         assembly code.  Use get_named_section.
2122         (mips_function_rodata_section: Likewise get_section.
2123         (build_mips16_function_stub): Use switch_to_section.
2124         * config/mips/mips.h (ASM_OUTPUT_IDENT): Use switch_to_section.
2125         (SDATA_SECTION_ASM_OP): Delete.
2126         * config/mips/vxworks.h (EXTRA_SECTIONS): Delete.
2127         (EXTRA_SECTION_FUNCTIONS): Delete.
2128
2129         * config/mmix/mmix.c (mmix_file_start, mmix_file_end)
2130         (mmix_asm_output_aligned_local): Use switch_to_section.
2131
2132         * config/pa/pa.c (som_readonly_data_section, som_one_only_data_section)
2133         (som_one_only_readonly_data_section): New variables.
2134         (pa_output_function_epilogue): Set in_section to NULL instead of
2135         calling forget_section.
2136         (output_deferred_plabels): Use select_section.
2137         (pa_asm_output_mi_thunk): Likewise.  Set in_section to NULL instead
2138         of calling forget_section.
2139         (pa_asm_output_aligned_bss, pa_asm_output_aligned_common)
2140         (pa_asm_output_aligned_local): Use select_section.
2141         (som_text_section_asm_op): Delete in favor of...
2142         (som_output_text_section_asm_op): ...this new function.
2143         (pa_som_asm_init_sections): New function.
2144         (pa_select_section): Return the section rather than emitting
2145         assembly code.
2146         * config/pa/pa.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2147         (SOM_READONLY_DATA_SECTION_FUNCTION): Delete.
2148         (SOM_ONE_ONLY_READONLY_DATA_SECTION_FUNCTION): Delete.
2149         (SOM_ONE_ONLY_DATA_SECTION_FUNCTION, FORGET_SECTION_FUNCTION): Delete.
2150         * config/pa/pa-protos.h (som_text_section_asm_op): Delete.
2151         (som_readonly_data_section, som_one_only_readonly_data_section)
2152         (som_one_only_data_section, forget_section): Delete.
2153         * config/pa/som.h (TEXT_SECTION_ASM_OP): Delete.
2154         (TARGET_ASM_INIT_SECTIONS): Define.
2155         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Delete.
2156
2157         * config/rs6000/rs6000.c (read_only_data_section): New variable.
2158         (private_data_section, read_only_private_data_section): New variables.
2159         (sdata2_section, toc_section): New variables.
2160         (rs6000_file_start): Use switch_to_section.
2161         (rs6000_assemble_integer): Use comparisons against in_section
2162         instead of calling in_toc_section and in_text_section.  Use
2163         unlikely_text_section_p.
2164         (rs6000_elf_output_toc_section_asm_op): New function, derived
2165         from the old rs6000/sysv4.h toc_section function.
2166         (rs6000_elf_asm_init_sections): New function.
2167         (rs6000_elf_select_rtx_section, rs6000_elf_select_section): Return
2168         the section rather than emitting assembly code.
2169         (machopic_output_stub): Use switch_to_section.
2170         (toc_section): Delete dummy function.
2171         (rs6000_elf_asm_out_constructor, rs6000_elf_asm_out_destructor): Use
2172         switch_to_section and get_section.
2173         (rs6000_xcoff_output_readonly_section_asm_op): New function.
2174         (rs6000_xcoff_output_readwrite_section_asm_op): New function.
2175         (rs6000_xcoff_output_toc_section_asm_op): New function, derived from
2176         the old rs6000/xcoff.h toc_section function.
2177         (rs6000_xcoff_asm_init_sections): New function.
2178         (rs6000_xcoff_select_section, rs6000_xcoff_select_rtx_section): Return
2179         the section rather than emitting assembly code.
2180         (rs6000_xcoff_file_start): Use switch_to_section.
2181         (rs6000_xcoff_file_end): Likewise.
2182         * config/rs6000/rs6000-protos.h (toc_section, sdata_section): Delete.
2183         (sdata2_section, sbss_section, private_data_section): Delete.
2184         (read_only_data_section, read_only_private_data_section): Delete.
2185         * config/rs6000/sysv4.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2186         (TOC_SECTION_FUNCTION, SDATA_SECTION_FUNCTION, SDATA2_SECTION_FUNCTION)
2187         (SBSS_SECTION_FUNCTION, INIT_SECTION_FUNCTION): Delete.
2188         (FINI_SECTION_FUNCTION): Delete.
2189         (TARGET_ASM_INIT_SECTIONS): Define.
2190         (ASM_OUTPUT_ALIGNED_LOCAL): Use switch_to_section.
2191         * config/rs6000/xcoff.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2192         (READ_ONLY_DATA_SECTION_FUNCTION, PRIVATE_DATA_SECTION_FUNCTION)
2193         (READ_ONLY_PRIVATE_DATA_SECTION_FUNCTION, TOC_SECTION_FUNCTION)
2194         (READONLY_DATA_SECTION): Delete.
2195         (TARGET_ASM_INIT_SECTIONS): Define.
2196         (ASM_DECLARE_FUNCTION_NAME): Use switch_to_section.  Set in_section
2197         to NULL rather than no_section.
2198         (TARGET_ASM_EXCEPTION_SECTION): Delete.
2199
2200         * config/sh/sh.c (sh_file_start): Use switch_to_section.
2201
2202         * config/sparc/sparc.c (emit_pic_helper): Use switch_to_section.
2203         (sparc_output_deferred_case_vectors): Likewise.  Remove argument
2204         from call to current_function_section.
2205
2206         * config/stormy16/stormy16.c: Include ggc.h and gt-storm16.h.
2207         (bss100_section): New variable.
2208         (xstormy16_asm_output_aligned_common): Use switch_to_section.
2209         (xstormy16_asm_init_sections): New function.
2210         (xstormy16_asm_out_destructor, xstormy16_asm_out_constructor): Use
2211         switch_to_section and get_section.
2212         (xstormy16_output_addr_vec): Use switch_to_section.  Remove argument
2213         from calls to current_function_section.
2214         * config/stormy16/stormy16.h (EXTRA_SECTIONS): Delete.
2215         (XSTORMY16_SECTION_FUNCTION, EXTRA_SECTION_FUNCTIONS): Delete.
2216         (TARGET_ASM_INIT_SECTIONS): Define.
2217         * config/stormy16/stormy16-protos.h (bss100_section): Delete.
2218
2219         * config/svr3.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2220         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS, INIT_SECTION_FUNCTION)
2221         (FINI_SECTION_FUNCTION): Delete.
2222
2223         * config/v850/v850.c: Include gt-v850.h.
2224         (rosdata_section, rozdata_section, tdata_section, zdata_section)
2225         (zbss_section): New variables.
2226         (v850_output_aligned_bss): Use switch_to_section.
2227         (v850_asm_init_sections): New function.
2228         (v850_select_section): Return the section rather than emitting
2229         assembly code.
2230         * config/v850/v850.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS)
2231         (ZDATA_SECTION_ASM_OP, ZBSS_SECTION_ASM_OP, TDATA_SECTION_ASM_OP)
2232         (ROSDATA_SECTION_ASM_OP, ROZDATA_SECTION_ASM_OP): Delete.
2233         (TARGET_ASM_INIT_SECTIONS): Define.
2234         * config/v850/v850-protos.h (sdata_section, rosdata_section): Delete.
2235         (sbss_section, tdata_section, zdata_section, rozdata_section): Delete.
2236         (zbss_section): Delete.
2237
2238         * config/vax/vaxv.h (ASM_OUTPUT_LOCAL): Use switch_to_section.
2239
2240         * config/vx-common.h (vxworks_exception_section): Delete.
2241         (TARGET_ASM_EXCEPTION_SECTION): Delete.
2242
2243         * config/xtensa/xtensa.c (xtensa_select_rtx_section): Return the
2244         section rather than emitting assembly code.
2245         * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Use
2246         switch_to_section.
2247
2248         * Makefile.in (GTFILES): Add $(srcdir)/output.h.
2249         * coretypes.h (section): New union and typedef.
2250         * dbxout.c (FORCE_TEXT): Use switch_to_section.  Remove argument
2251         from call to current_function_section.
2252         (dbxout_function_end, dbxout_init, dbxout_source_file, dbxout_finish)
2253         (dbxout_symbol_location): Use switch_to_section.
2254         * dwarf2out.c (named_section_eh_frame_section): Delete, moving
2255         most of the code into...
2256         (default_eh_frame_section): ...here.  Return a section.
2257         (collect2_eh_frame_section): Delete, moving most of the code into..
2258         (switch_to_eh_frame_section): ...this new function.
2259         (debug_info_section, debug_abbrev_section, debug_aranges_section)
2260         (debug_macinfo_section, debug_line_section, debug_loc_section)
2261         (debug_pubnames_section, debug_str_section, debug_ranges_section): New
2262         variables.
2263         (output_call_frame_info): Call switch_to_eh_frame_section instead of
2264         eh_frame_section.  Use switch_to_section and get_section.
2265         (dwarf2out_begin_prologue): Use switch_to_section.
2266         (AT_string_form): Check the flags in debug_str_section instead of
2267         DEBUG_STR_SECTION_FLAGS.
2268         (output_comp_unit): Use switch_to_section, get_section, and
2269         debug_info_section.
2270         (output_line_info, secname_for_decl): Use unlikely_text_section_p.
2271         (dwarf2out_begin_block): Use switch_to_section.  Remove argument
2272         from call to current_function_section.
2273         (dwarf2out_var_location): Use unlikely_text_section_p.
2274         (dwarf2out_source_line): Use switch_to_section.  Remove argument
2275         from call to current_function_section.
2276         (dwarf2out_start_source_file, dwarf2out_end_source_file)
2277         (dwarf2out_define, dwarf2out_undef: Use switch_to_section and
2278         debug_macinfo_section.
2279         (dwarf2out_init): Initialize the new section variables.  Use them
2280         instead of calls to named_section_flags.  Use switch_to_section.
2281         (output_indirect_string): Use switch_to_section and debug_str_section.
2282         (dwarf2out_finish): Use switch_to_section and the new section
2283         variables.
2284         * except.c (default_exception_section): Return the section instead
2285         of emitting assembly code.
2286         (output_function_exception_table): Use the global exception_section
2287         variable instead of the target hook.  Use switch_to_section.  Remove
2288         argument from call to current_function_section.
2289         * final.c (HAVE_READONLY_DATA_SECTION): Delete.
2290         (shorten_branches): Use pointer comparisons to detect whether the
2291         text section is the same as readonly_data_section.
2292         (profile_function): Use switch_to_section.  Remove argument from
2293         call to current_function_section.
2294         (final_scan_insn): Likewise.  Update use of last_text_section.
2295         * gengtype.c (open_base_files): Add an include of output.h.
2296         * output.h (text_section, data_section, readonly_data_section)
2297         (ctors_section, dtors_section, bss_section, init_section)
2298         (fini_section, sdata_section): Turn into section pointers.
2299         (in_text_section, in_unlikely_text_section, exports_section)
2300         (drectve_section, named_section, mergeable_string_section)
2301         (last_text_section_name): Delete.
2302         (default_exception_section, default_eh_frame_section): Return sections.
2303         (SECTION_DECLARED, SECTION_NAMED): New macros.
2304         (SECTION_MACH_DEP): Bump value.
2305         (section_common, named_section, unnamed_section): New structures.
2306         (unnamed_section_callback): New typedef.
2307         (section): New union.
2308         (sbss_section, exception_section, eh_frame_section): New variables.
2309         (in_section, last_text_section): Turn into section pointers.
2310         (get_unnamed_section, get_section, get_named_section): New functions.
2311         (mergeable_constant_section, function_section): Return a section.
2312         (unlikely_text_section): Likewise.
2313         (current_function_section): Likewise.  Remove the decl argument.
2314         (unlikely_text_section_p, switch_to_section): New functions.
2315         (output_section_asm_op): New function.
2316         (set_named_section_flags, named_section_flags, named_section_real)
2317         (named_section_first_declaration): Delete.
2318         (default_select_section, default_elf_select_section): Return a section.
2319         (default_elf_select_section_1, default_function_rodata_section)
2320         (default_no_function_rodata_section, default_select_rtx_section)
2321         (default_elf_select_rtx_section): Likewise.
2322         * rtl.h (in_data_section): Delete.
2323         * sdbout.c (sdbout_one_type): Use switch_to_section.
2324         * system.h (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Poison.
2325         (READONLY_DATA_SECTION, TARGET_ASM_EXCEPTION_SECTION): Poison.
2326         (TARGET_ASM_EH_FRAME_SECTION): Poison.
2327         * target-def.h (TARGET_ASM_INIT_SECTIONS): New macro.
2328         (TARGET_ASM_EXCEPTION_SECTION, TARGET_ASM_EH_FRAME_SECTION): Delete.
2329         (TARGET_ASM_OUT): Update after above changes.
2330         * target.h (init_sections): New hook.
2331         (exception_section, eh_frame_section): Delete.
2332         (select_section, select_rtx_section, function_rodata_section): Return
2333         a section rather than emitting assembly code.
2334         * varasm.c (text_section, data_section, readonly_data_section)
2335         (ctors_section, dtors_section, bss_section, init_section)
2336         (fini_section): Turn into section pointers.
2337         (sdata_section, sbss_section, exception_section): New variables.
2338         (eh_frame_section): New variable.
2339         (in_section): Make global and turn into a section pointer.
2340         (last_text_section): Turn into a section pointer.
2341         (unnamed_sections): New variable.
2342         (in_named_name, last_text_section_name): Delete.
2343         (EXTRA_SECTION_FUNCTIONS): Delete.
2344         (in_named_entry): Delete.
2345         (section_htab): New variable, replacing...
2346         (in_named_htab): ...this deleted variable.
2347         (section_entry_eq, section_entry_hash): New functions, based on...
2348         (in_named_entry_eq, in_named_entry_hash): ...these deleted functions.
2349         (get_unnamed_section, get_section): New functions.
2350         (unlikely_text_section): Return a section instead of emitting
2351         assembly code.
2352         (in_text_section, in_unlikely_text_section, in_data_section): Delete.
2353         (get_named_section_flags, named_section_first_declaration): Delete.
2354         (unlikely_text_section_p): New function.
2355         (named_section_real, named_section): Delete.
2356         (get_named_section): New function.
2357         (asm_output_bss, asm_output_aligned_bss): Use switch_to_section.
2358         (function_section): Return a section rather than emitting
2359         assembly code.
2360         (current_function_section): Likewise.  Remove argument.  Use
2361         last_text_section if nonnull, otherwise use function_section.
2362         (default_function_rodata_section): Return a section rather than
2363         emitting assembly code.  Use get_section.
2364         (default_no_function_rodata_section): Return a section rather than
2365         emitting assembly code.
2366         (variable_section): Use switch_to_section and get_named_section.
2367         (mergeable_string_section): Return a section rather than emitting
2368         assembly code.  Use get_section.  Make static.  Don't take special
2369         countermeasures for empty strings.
2370         (mergeable_constant_section): Return a section rather than emitting
2371         assembly code.  Use get_section.
2372         (default_named_section_asm_out_destructor): Use switch_to_section
2373         and get_section.
2374         (default_dtor_section_asm_out_destructor): Use switch_to_section.
2375         (default_named_section_asm_out_constructor): Use switch_to_section
2376         and get_section.
2377         (default_ctor_section_asm_out_constructor): Use switch_to_section.
2378         (assemble_start_function): Likewise.  Set last_text_section to
2379         NULL rather than no_section.  Change the type of save_section.
2380         (assemble_zeros, assemble_variable): Use the section flags to detect
2381         whether or not a section is text.
2382         (assemble_static_space): Use switch_to_section.
2383         (assemble_trampoline_template): Likewise.
2384         (output_constant_def_contents): Use switch_to_section and
2385         get_named_section.
2386         (output_constant_pool_1): Use switch_to_section.  Use the section
2387         flags to see whether sections contain mergeable data.
2388         (init_varasm_once): Initialize section_htab instead of in_named_htab.
2389         Initialize new section variables.  Call TARGET_ASM_INIT_SECTIONS.
2390         (default_elf_asm_named_section): Use SECTION_DECLARED to detect
2391         whether a section has already been declared.
2392         (default_select_section, default_elf_select_section): Return a
2393         section rather than emitting assembly code.
2394         (default_elf_select_section_1): Likewise.  Use bss_section for
2395         SECCAT_BSS if nonnull.  Use get_named_section.
2396         (default_select_rtx_section): Return a section rather than
2397         emitting assembly code.
2398         (default_elf_select_rtx_section): Likewise.  Use get_named_section.
2399         (file_end_indicate_exec_stack): Use switch_to_section and get_section.
2400         (output_section_asm_op, switch_to_section): New functions.
2401         * vmsdbgout.c (vmsdbgout_finish): Use switch_to_section and
2402         get_named_section.
2403
2404         * doc/tm.texi: Expand the introduction to the sections documentation.
2405         (TRAMPOLINE_SECTION): Document new interface.
2406         (SDATA_SECTION_ASM_OP): Document new macro.
2407         (READONLY_DATA_SECTION): Delete.
2408         (SDATA_SECTION_ASM_OP): Document new macro.
2409         (EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS): Delete.
2410         (TARGET_ASM_INIT_SECTIONS): Document new hook.
2411         (TARGET_ASM_SELECT_SECTION, TARGET_ASM_FUNCTION_RODATA_SECTION)
2412         (TARGET_ASM_SELECT_RTX_SECTION): Adjust for new interface.
2413         (TARGET_EXCEPTION_SECTION, TARGET_EH_FRAME_SECTION): Delete.
2414
2415 2005-12-07  Alan Modra  <amodra@bigpond.net.au>
2416
2417         * gcc.c (init_gcc_specs): Match braces inside conditionally
2418         compiled strings.
2419
2420 2005-12-06  Geoffrey Keating  <geoffk@apple.com>
2421
2422         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): New.
2423
2424 2005-12-06  Aldy Hernandez  <aldyh@redhat.com>
2425
2426         PR C++/24138
2427         * tree.c (integer_all_onesp): Always return true if all bits on.
2428
2429         * testsuite/g++.dg/init/array0.C: New.
2430
2431 2005-12-06  Adrian Straetling  <straetling@de.ibm.com>
2432
2433         * doc/md.texi: Adapt to implementation.
2434
2435 2005-12-06  Andreas Schwab  <schwab@suse.de>
2436
2437         * opts.c (decode_options): Fix typo in message.
2438
2439 2005-12-06  Alan Modra  <amodra@bigpond.net.au>
2440
2441         PR other/13873
2442         * longlong.h: Merge PPC tests from upstream.
2443
2444 2005-12-06  Richard Guenther  <rguenther@suse.de>
2445
2446         * fold-const.c (fold_convert): Do not build and fold
2447         CONVERT_EXPR, but always use NOP_EXPR.
2448
2449 2005-12-06  Jan Beulich  <jbeulich@novell.com>
2450
2451         * config/i386/i386.c (builtin_description): Use MASK_SSE2 for
2452         __builtin_ia32_paddq and __builtin_ia32_psubq.
2453         (ix86_init_mmx_sse_builtins): Use MASK_SSE|MASK_3DNOW_A for
2454         __builtin_ia32_pshufw.
2455         * config/i386/i386.md (mmx_adddi3, mmx_subdi3): Depend on TARGET_SSE2.
2456
2457 2005-12-05  James E Wilson  <wilson@specifix.com>
2458
2459         PR target/24934
2460         * opts.c (decode_options): Turn off partitioning if flag_unwind_tables
2461         is set.
2462
2463 2005-12-05  Daniel Berlin  <dberlin@dberlin.org>
2464         
2465         * print-tree.c (print_node): Ditto.
2466         * tree-dfa.c (add_referenced_var): Tag's don't have DECL_INITIAL.
2467         * tree-dump.c (dequeue_and_dump): Check for decl_common structure
2468         before accessing DECL_ARTIFICIAL. 
2469         Handle new tag tree codes.
2470         * tree-flow-inline.h (clear_call_clobbered): Update for tag
2471         changes.
2472         (unmodifiable_var_p): Ditto.
2473         * tree-flow.h (mem_tag_kind): Remove.
2474         (struct var_ann_d): Remove mem_tag_kind member.
2475         * tree-gimple.c (is_gimple_reg): Tags are not gimple registers.
2476         * tree-pretty-print.c (dump_generic_node): Handle memory tags.
2477         * tree-ssa-alias.c (init_alias_info): Update for memory tag changes.
2478         (group_aliases): Ditto.
2479         (setup_pointers_and_addressables): Ditto.
2480         (is_escape_site): Ditto.                                          
2481         (may_alias_p): Ditto.
2482         (create_tag_raw): New function.
2483         (create_memory_tag): Use it.
2484         (dump_alias_info): Update for tags.
2485         (may_be_aliased): Ditto.
2486         (add_type_alias): Ditto.
2487         (new_type_alias): Ditto.
2488         (create_sft): Ditto.
2489         (create_structure_vars): Ditto.
2490         * tree-ssa-ccp.c (get_default_value): Ditto.
2491         * tree-ssa-operands.c (get_expr_operands): Ditto.
2492         (add_stmt_operand): Ditto.
2493         (add_call_clobber_ops): Remove duplicated condition.
2494         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
2495         tags.
2496         * tree-tailcall.c (suitable_for_tail_opt_p): Ditto.
2497         * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
2498         * tree.c (init_ttree): Update structures for new tree codes.
2499         (tree_code_size): Update sizes for new tree codes.
2500         (make_node_stat): Don't try to set common things on minimal
2501         structures.
2502         (tree_node_structure): Update for tags.
2503         (is_global_var): Ditto.
2504         * tree.def: Add new tree codes.
2505         * tree.h (MTAG_P): New macro.
2506         (TREE_MEMORY_TAG_CHECK): Ditto.
2507         (SSA_VAR_P): Update for tags.
2508         (struct tree_memory_tag): New structure.
2509         (MTAG_GLOBAL): New macro.
2510         (union tree_node): Add memory tag member.
2511         * treestruct.def (TS_MEMORY_TAG): New.
2512         
2513 2005-12-05  Dale Johannesen  <dalej@apple.com>
2514
2515         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS):  Fix to match
2516         what was approved (PR 24323).
2517
2518 2005-12-05  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2519
2520         * doc/c-tree.texi (Function Bodies): Remove description of
2521         RETURN_INIT.
2522
2523 2005-12-05  Joseph S. Myers  <joseph@codesourcery.com>
2524
2525         * doc/libgcc.texi (__floatunsisf, __floatunsidf, __floatunsitf,
2526         __floatunsixf, __floatundisf, __floatundidf, __floatunditf,
2527         __floatundixf, __floatuntisf, __floatuntidf, __floatuntitf,
2528         __floatuntixf, __powisf2, __powidf2, __powixf2, __mulsc3,
2529         __muldc3, __multc3, __mulxc3, __divsc3, __divdc3, __divtc3,
2530         __divxc3): Document.
2531
2532 2005-12-05  Geoffrey Keating  <geoffk@apple.com>
2533
2534         * config/arm/arm.c (arm_cxx_determine_class_data_visibility): Preserve
2535         previous behaviour.
2536         * config/darwin.h (TARGET_CXX_CLASS_DATA_ALWAYS_COMDAT): Define to
2537         hook_bool_void_false.
2538         (TARGET_CXX_DETERMINE_CLASS_DATA_VISIBILITY): Define.
2539         * config/darwin.c (darwin_cxx_determine_class_data_visibility): New.
2540
2541         * config/darwin.c (machopic_select_section): It's not defined
2542         as weak if it's only marked as weak_import.
2543         
2544         * config/darwin-protos.h (darwin_cxx_determine_class_data_visibility):
2545         Prototype.
2546
2547         * varasm.c (default_binds_local_p_1): Weakrefs don't bind locally.
2548         A hidden weak object does bind locally.  Strong linkonce data
2549         counts like any other strong symbol for binding.
2550         (weak_finish_1): Don't specially handle weakrefs, they no longer
2551         arrive here.
2552         (assemble_alias): Weakrefs can't be TREE_PUBLIC yet.
2553         * c-common.c (handle_alias_attribute): Allow static aliases
2554         of variables.
2555         (handle_weakref_attribute): Don't call declare_weak on weakrefs.
2556         * gthr-dce.h: Make weakrefs static.
2557         * gthr-tpf.h: Likewise.
2558         * gthr-solaris.h: Likewise.
2559         * gthr-posix.h: Likewise.
2560         * gthr-posix95.h: Likewise.
2561         * config/darwin.c (darwin_encode_section_info): static weakref
2562         variables are not necessarily defined in this translation unit.
2563         * doc/extend.texi (Function Attributes): Mention that an alias
2564         attribute creates a definition for the thing it's attached to.
2565         Change the documentation for weakref to say that the thing
2566         it's attached to must be static.
2567
2568         * config/rs6000/host-darwin.c (segv_handler): Unblock SEGV so
2569         we don't go into an infinite loop.
2570
2571 2005-12-05  Paolo Bonzini  <bonzini@gnu.org>
2572
2573         * config/rs6000/predicates.md (logical_const_operand): Split
2574         out of logical_operand.
2575         (logical_operand): Use it.
2576         * config/rs6000/rs6000.md (cmp -> xor peephole2): Use
2577         logical_const_operand.
2578
2579 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2580
2581         * config/i386/i386.c (enum ix86_builtins): Remove IX86_BUILTIN_CMPNEPS
2582         and IX86_BUILTIN_CMPNESS.
2583         (ix86_init_mmx_sse_builtins): Remove ti_ftype_ti_ti.
2584         * config/i386/i386.h (ALIGN_MODE_128): Don't check TFmode explicitly.
2585         * config/i386/i386.md (movti_internal): Correct type attribute.
2586         Simplify mode attribute.
2587         (movti_rex64, movsf_1, movdf_nointeger, movdf_integer, movtf_internal):
2588         Correct type attribute.
2589         (absxf2): Correct operator.
2590         * config/i386/mmx.md (mov<mode>_internal_rex64, mov<mode>_internal,
2591         movv2sf_internal_rex64, movv2sf_internal): Correct type attribute.
2592         * config/i386/sse.md (mov<mode>_internal, movv2df_internal): Simplify
2593         mode attribute.
2594         (sse2_vmsqrtv2df2): Correct mode attribute.
2595
2596 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2597
2598         * config/ia64/ia64.md (rotlsi3_internal): Don't split if rotating by
2599         16 bits. Provide insn pattern for this case.
2600
2601 2005-12-05  Jan Beulich  <jbeulich@novell.com>
2602
2603         * libgcc2.c (__popcountSI2): Don't use wide type for iterator and
2604         result.
2605         (__popcountDI2): Likewise.
2606
2607 2005-12-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2608
2609         PR target/25166
2610         * pa/pa.c (pa_hpux_init_libfuncs): Add _U_Qfcnvxf_usgl_to_quad and
2611         _U_Qfcnvxf_udbl_to_quad to set of initialized libfuncs.
2612         * pa/quadlib.c (_U_Qfcnvxf_usgl_to_quad, _U_Qfcnvxf_udbl_to_quad): New
2613         functions.
2614
2615 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2616
2617         * c-typeck.c (null_pointer_constant_p): New function.
2618         (build_conditional_expr, build_c_cast, convert_for_assignment,
2619         build_binary_op): Use it.
2620
2621 2005-12-04  Joseph S. Myers  <joseph@codesourcery.com>
2622
2623         * c-common.c (binary_op_error): Do not allow NOP_EXPR.
2624         (c_common_truthvalue_conversion): Handle NOP_EXPR the same as
2625         CONVERT_EXPR.
2626         (check_function_arguments_recurse): Allow both NOP_EXPR and
2627         CONVERT_EXPR but check conversions preserve precision.
2628         * c-typeck.c (pointer_diff): Allow both NOP_EXPR and CONVERT_EXPR
2629         but check conversions preserve precision.
2630         (build_unary_op): Don't allow NOP_EXPR.  Use gcc_unreachable () in
2631         default case.
2632
2633 2005-12-04  Roger Sayle  <roger@eyesopen.com>
2634
2635         PR c/7776
2636         * common.opt (Wstring-literal-comparison): New command line option.
2637         * c-opts.c (c_common_handle_option): Set it with -Wall.
2638         * c-typeck.c (parser_build_binary_op): Issue warning if either
2639         operand of a comparison operator is a string literal, except for
2640         testing equality or inequality against NULL.
2641
2642         * doc/invoke.texi: Document new -Wstring-literal-comparison option.
2643
2644 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2645
2646         * c-common.c (c_sizeof_or_alignof_type): Use fold_convert instead
2647         of building a NOP_EXPR.
2648         (c_alignof_expr): Likewise.  Handle CONVERT_EXPR the same as
2649         NOP_EXPR.
2650         * c-convert.c (convert): Use fold_convert instead of building
2651         NOP_EXPRs and CONVERT_EXPRs directly.  Don't special case
2652         c_objc_common_truthvalue_conversion returning a NOP_EXPR.  Remove
2653         #if 0 code.
2654         * c-pretty-print.c (pp_c_cast_expression, pp_c_expression): Handle
2655         NOP_EXPR the same as CONVERT_EXPR.
2656         * c-typeck.c (build_function_call): Use fold_convert instead of
2657         building a NOP_EXPR directly.
2658         (build_compound_expr): Handle NOP_EXPR the same as CONVERT_EXPR.
2659
2660 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2661
2662         PR rtl-optimization/25197
2663         * dwarf2out.c (dwarf2out_frame_debug_expr <rule 12>): Assert we
2664         have a reg.
2665
2666 2005-12-02  Stuart Hastings  <stuart@apple.com>
2667
2668         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Remove -fpic
2669         warning.
2670
2671 2005-12-03  Joseph S. Myers  <joseph@codesourcery.com>
2672
2673         * c-typeck.c (default_function_array_conversion,
2674         build_function_call): Allow for CONVERT_EXPR as well as NOP_EXPR.
2675         (build_conditional_expr): Apply integer_zerop to orig_op1 and
2676         orig_op2.  Don't check them for NOP_EXPR.
2677         (build_c_cast, convert_for_assignment): Don't check for NOP_EXPR
2678         around integer zero.
2679
2680 2005-12-03  Alan Modra  <amodra@bigpond.net.au>
2681
2682         * config/rs6000/rs6000.c (rs6000_stack_t): Remove toc_save_p,
2683         toc_save_offset, toc_size, lr_size.
2684         (rs6000_stack_info): Use memset rather than bss struct copy to init.
2685         Test rs6000_ra_ever_killed last in condition setting lr_save_p.
2686         Adjust for removal of unused rs6000_stack_t fields.
2687         (debug_stack_info): Adjust.
2688         (rs6000_ra_ever_killed): Expand FIND_REG_INC_NOTE.  Test for calls
2689         first, and don't bother checking for set/inc of lr on sibcalls.
2690         (rs6000_emit_epilogue): Tidy code restoring stack pointer.
2691
2692 2005-12-02  Jakub Jelinek  <jakub@redhat.com>
2693
2694         PR target/25199
2695         * config/i386/i386.md (movqi_1): Only force imovx for alternative
2696         5 if operand 1 is not aligned.  Undo previous constraint change.
2697         * config/i386/predicates.md (aligned_operand): Use MEM_ALIGN.
2698
2699 2005-12-02  Richard Guenther  <rguenther@suse.de>
2700
2701         * tree.h (build): Remove prototype.
2702         (build, _buildN1, _buildN2, _buildC1, _buildC2): Remove macros.
2703         * tree.c (build): Remove.
2704         (build0_stat): Update comment.
2705
2706 2005-12-02  Richard Guenther  <rguenther@suse.de>
2707
2708         * tree-ssa-loop-im.c (schedule_sm): Use buildN instead of build.
2709         * tree-complex.c (update_complex_assignment, expand_complex_div_wide):
2710         Likewise.
2711         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref,
2712         maybe_fold_offset_to_component_ref): Likewise.
2713         * tree-ssa-dom.c (thread_across_edge,
2714         simplify_rhs_and_lookup_avail_expr,
2715         find_equivalent_equality_comparison, record_equivalences_from_stmt):
2716         Likewise.
2717         * gimple-low.c (lower_function_body, lower_return_expr): Likewise.
2718         * tree-eh.c (do_return_redirection, honor_protect_cleanup_actions,
2719         lower_try_finally_switch): Likewise.
2720         * tree-if-conv.c (add_to_dst_predicate_list,
2721         replace_phi_with_cond_modify_expr, ifc_temp_var): Likewise.
2722         * gimplify.c (internal_get_tmp_var, gimple_build_eh_filter,
2723         voidify_wrapper_expr, build_stack_save_restore, gimplify_bind_expr,
2724         gimplify_return_expr, gimplify_decl_expr, gimplify_switch_expr,
2725         gimplify_case_label_expr, gimplify_exit_expr, gimplify_self_mod_expr,
2726         shortcut_cond_r, shortcut_cond_expr, gimplify_cond_expr,
2727         gimplify_init_ctor_eval, gimplify_init_constructor,
2728         gimplify_variable_sized_compare, gimplify_boolean_expr,
2729         gimplify_cleanup_point_expr, gimple_push_cleanup, gimplify_target_expr,
2730         gimplify_expr, gimplify_body, gimplify_function_tree,
2731         force_gimple_operand): Likewise.
2732         * tree-ssa-pre.c (create_expression_by_pieces): Likewise.
2733         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for,
2734         mx_register_decls): Likewise.
2735         * tree-nested.c (init_tmp_var, save_tmp_var, get_static_chain,
2736         get_frame_field, finalize_nesting_tree_1): Likewise.
2737         * tree-inline.c (setup_one_parameter): Likewise.
2738         * tree-vect-transform.c (vectorizable_condition): Likewise.
2739         * tree-outof-ssa.c (insert_copy_on_edge, insert_backedge_copies):
2740         Likewise.
2741         * tree-profile.c (tree_gen_edge_profiler): Likewise.
2742         * tree-cfg.c (factor_computed_gotos, gimplify_val): Likewise.
2743         * c-parser.c (c_parser_if_body, c_parser_switch_statement): Likewise.
2744         * tree-chrec.h (build_polynomial_chrec): Likewise.
2745
2746 2005-12-02  Richard Guenther  <rguenther@suse.de>
2747
2748         * config/alpha/alpha.c (alpha_va_start, alpha_gimplify_va_arg_1i,
2749         alpha_gimplify_va_arg): Use buildN and fold_buildN where applicable.
2750         * config/frv/frv.c (frv_expand_builtin_va_start): Likewise.
2751         * config/s390/s390.c (s390_va_start, s390_gimplify_va_arg): Likewise.
2752         * config/ia64/ia64.c (ia64_gimplify_va_arg): Likewise.
2753         * config/i386/i386.c (ix86_va_start, ix86_gimplify_va_arg): Likewise.
2754         * config/rs6000/rs6000.c (rs6000_va_start, rs6000_gimplify_va_arg):
2755         Likewise.
2756         * config/sh/sh.c (sh_va_start, sh_gimplify_va_arg_expr,
2757         sh_adjust_unroll_max): Likewise.
2758         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
2759         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
2760         * config/xtensa/xtensa.c (xtensa_va_start, xtensa_gimplify_va_arg_expr):
2761         Likewise.
2762         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_start):
2763         Likewise.
2764         * config/mips/mips.c (mips_va_start, mips_gimplify_va_arg_expr):
2765         Likewise.
2766
2767 2005-12-02  Richard Guenther  <rguenther@suse.de>
2768
2769         * tree-vrp.c (build_assert_expr_for, process_assert_insertions_for,
2770         simplify_cond_using_ranges): Use buildN instead of build.
2771         * tree-tailcall.c (adjust_accumulator_values,
2772         adjust_return_value): Likewise.
2773         * tree-sra.c (generate_one_element_ref, generate_copy_inout,
2774         generate_element_copy, generate_element_zero,
2775         generate_one_element_init): Likewise.
2776         * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Likewise.
2777         * lambda-code.c (gcc_loop_to_lambda_loop, lbv_to_gcc_expression,
2778         lle_to_gcc_expression, lambda_loopnest_to_gcc_loopnest,
2779         perfect_nestify): Likewise.
2780
2781 2005-12-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2782
2783         * pa.c (pa_secondary_reload): Revise initialization of variable regno.
2784
2785 2005-12-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2786
2787         * ggc.h (GGC_RESIZEVEC): New.
2788
2789 2005-12-02  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2790
2791         * gcc.c (execute): Improve readability.
2792
2793 2005-12-02  Richard Guenther  <rguenther@suse.de>
2794
2795         * tree-cfg.c (mark_used_vars): New function.
2796         (dump_function_to_file): Dump only used VAR_DECLs.
2797
2798 2005-12-02  Richard Guenther  <rguenther@suse.de>
2799
2800         * convert.c (convert_to_integer): Fix compare for nonpositive
2801         constant to use tree_int_cst_sgn <= 0.
2802
2803 2005-12-02  Richard Guenther  <rguenther@suse.de>
2804
2805         * convert.c (convert_to_integer): Use fold_convert instead
2806         of fold_build1 (NOP_EXPR, ...).  Use tree_int_cst_sgn < 0
2807         instead of comparing against 0.  Use build_int_cst instead
2808         of converting integer_zero_node.
2809
2810 2005-12-02  Richard Guenther  <rguenther@suse.de>
2811
2812         * tree-pretty-print.c (op_symbol): Handle LROTATE_EXPR
2813         and RROTATE_EXPR.
2814  
2815 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2816
2817         PR target/21017
2818         * combine.c (simplify_logical <IOR>): Simplify more patterns to
2819         rotates.
2820
2821 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2822
2823         PR middle-end/25176
2824         * function.c (expand_function_end): Emit blockage for unwinder
2825         after return label.
2826
2827 2005-12-01  Roger Sayle  <roger@eyesopen.com>
2828
2829         * tree.h (TREE_OVERFLOW): Make this flag/predicate specific to
2830         constant nodes, i.e. INTEGER_CST, REAL_CST, etc...
2831         * tree-vrp.c (compare_values): Only check TREE_OVERFLOW for
2832         integer constant comparisons.
2833
2834 2005-12-02  Jon Grimm  <jgrimm2@us.ibm.com>
2835             Janis Johnson  <janis187@us.ibm.com>
2836             David Edelsohn  <dje@watson.ibm.com>
2837             Ben Elliston  <bje@au.ibm.com>
2838
2839         * dfp.h, dfp.c: New files.
2840         * Makefile.in (DECNUM, DECNUMINC, LIBDECNUMBER): New variables.
2841         (DECNUM_H): Likewise.
2842         (LIBDEPS, LIBS, BACKEND): Append $(LIBDECNUMBER).
2843         (INCLUDES): Append $(DECNUMINC).
2844         (OBJS-common): Add dfp.o.
2845         (dfp.o): New rule.
2846         * real.h (EXP_BITS): Pinch one bit to ..
2847         (struct real_value): Add decimal field.
2848         (real_format): Change table size, update documentation.
2849         (REAL_MODE_FORMAT): Update for to handle float, decimal float.
2850         (real_from_string3): Declare.
2851         (decimal_single_format): Declare.
2852         (decimal_double_format): Declare.
2853         (decimal_quad_format): Declare.
2854         (REAL_VALUE_TO_TARGET_DECIMAL32): New.
2855         (REAL_VALUE_TO_TARGET_DECIMAL64): New.
2856         (REAL_VALUE_TO_TARGET_DECIMAL128): New.
2857         * real.c: Include dfp.h.
2858         (normalize): Early return for decimal floats.
2859         (do_add): Zero decimal field.
2860         (do_compare): Call do_decimal_compare for decimal floats.
2861         (do_fix_trunc): Likewise, call decimal_do_fix_trunc.
2862         (real_arithmetic): Call decimal_real_arithmetic for decimal
2863         floating point operands.
2864         (real_identical): If a and b are of differing radix, return false.
2865         (real_to_integer): Call decimal_real_to_integer if the value is a
2866         decimal float.
2867         (real_to_integer2): Likewise, call decimal_real_to_integer2.
2868         (real_to_decimal): Likewise, call decimal_real_to_decimal.
2869         (real_to_hexadecimal): Place "N/A" in the return string for
2870         decimal float.
2871         (real_from_string3): New variant, given a mode.
2872         (real_maxval): Use decimal_real_maxval for decimal floats.
2873         (round_for_format): Use decimal_round_for_format for decimals.
2874         (real_convert): Use decimal_real_convert where appropriate.
2875         (significand_size): Handle base 10.
2876         (encode_decimal_single, decode_decimal_single,
2877         encode_decimal_double, decode_decimal_double, encode_decimal_quad,
2878         decode_decimal_quad): New functions.
2879         (decimal_single_format): New.
2880         (decimal_double_format): New.
2881         (decimal_quad_format): New.
2882         * machmode.def: Add SD, DD and TD decimal floating point modes.
2883         * machmode.h (FLOAT_MODE_P, SCALAR_FLOAT_MODE_P, MODES_WIDEN_P):
2884         Include MODE_DECIMAL_FLOAT.
2885         (DECIMAL_FLOAT_MODE_P): New.
2886         * mode-classes.def (MODE_DECIMAL_FLOAT): New mode class.
2887         * genmodes.c (struct mode_data): Add counter field.
2888         (struct mode_data): Update comment for format.
2889         (blank_mode): Initialise counter field.
2890         (new_mode): Increment counter field for each mode defined.
2891         (complete_mode): Handle MODE_DECIMAL_FLOAT, update check for mode
2892         using a format.
2893         (make_complex_modes): Handle modes containing `D'.
2894         (DECIMAL_FLOAT_MODE, FRACTIONAL_DECIMAL_FLOAT_MODE): New.
2895         (make_decimal_float_mode): New.
2896         (reset_float_format): Handle MODE_DECIMAL_FLOAT.
2897         (cmp_modes): Compare counter field if other characteristics
2898         similar.
2899         (emit_real_format_for_mode): Support formats for decimal floats.
2900         * doc/rtl.texi (Machine Modes): Document SD, DD and TDmodes.
2901         Document MODE_DECIMAL_FLOAT.
2902
2903 2005-12-02  Alan Modra  <amodra@bigpond.net.au>
2904
2905         * simplify-rtx.c (simplify_plus_minus): Do simplify constants.
2906         Delete dead code.
2907
2908 2005-12-01  Richard Henderson  <rth@redhat.com>
2909
2910         * optabs.c (expand_vec_cond_expr): Use EXPAND_NORMAL.
2911
2912 2005-12-01  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2913
2914         * builtins.def (BUILT_IN_PUTC, BUILT_IN_PUTC_UNLOCKED): New.
2915
2916         * config/pa/pa.c (pa_init_builtins): If we detect
2917         DONT_HAVE_FPUTC_UNLOCKED, set builtin fputc_unlocked to
2918         putc_unlocked.
2919
2920 2005-12-01  Richard Guenther  <rguenther@suse.de>
2921
2922         * fold-const.c (fold_binary): Use fold_build2, not
2923         fold (build (...)).
2924
2925 2005-12-01  Nathan Sidwell  <nathan@codesourcery.com>
2926
2927         * config/ms1/ms1.c (ms1_reorg_hazard): Don't count noop moves.
2928
2929         * vec.h (VEC_block_remove): New.
2930
2931 2005-12-01  Gabriel Dos Reis  <gdr@integrable-solutions.net>
2932
2933         PR c/13384
2934         * c-common.c (lvalue_error): Fix wording.
2935
2936 2005-12-01  Richard Guenther  <rguenther@suse.de>
2937
2938         * tree-ssa-forwprop.c (forward_propagate_addr_expr): Fix
2939         thinko in last patch.
2940
2941 2005-12-01  Geoffrey Keating  <geoffk@apple.com>
2942
2943         * config/t-slibgcc-darwin (SHLIB_LINK): Use -single_module rather
2944         than -flat_namespace.
2945
2946 2005-12-01  Ben Elliston  <bje@au.ibm.com>
2947
2948         * mklibgcc.in: Parameterise the script to build soft float
2949         functions by iterating over each type, rather than cloning the
2950         code for each type.
2951
2952 2005-11-30  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2953
2954         PR middle-end/25158
2955         * builtins.c (fold_builtin_fputs): Defer check for missing
2956         replacement functions.
2957
2958 2005-11-30  Kean Johnston  <jkj@sco.com>
2959
2960         * config/i386/i386.c: Check the value of SUPPORTS_ONE_ONLY, not
2961         simply its presense in case targets #define SUPPORTS_ONE_ONLY 0.
2962
2963 2005-11-30  Richard Guenther  <rguenther@suse.de>
2964
2965         PR tree-optimization/22501
2966         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
2967         function split out from ...
2968         (forward_propagate_addr_expr): ... here.  Use it to propagate
2969         ADDR_EXPRs to all uses.
2970
2971 2005-11-30  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
2972
2973         * tree.h (CASE_FLT_FN, CASE_INT_FN): New macros.
2974         * builtins.c (expand_builtin_mathfn): Use them.
2975         (expand_builtin_mathfn_2): Likewise.
2976         (expand_builtin_mathfn_3): Likewise.
2977         (expand_builtin_int_roundingfn): Likewise.
2978         (expand_builtin): Likewise.
2979         (integer_valued_real_p): Likewise.
2980         (fold_builtin_int_roundingfn): Likewise.
2981         (fold_builtin_bitop): Likewise.
2982         (fold_builtin_logarithm): Likewise.
2983         (fold_builtin_1): Likewise.
2984         * convert.c (convert_to_integer): Likewise.
2985         * fold-const.c (negate_mathfn_p): Likewise.
2986         (tree_expr_nonnegative_p): Likewise.
2987
2988 2005-11-30  Dale Johannesen  <dalej@apple.com>
2989             Andrew Pinski  <pinskia@physics.uc.edu>
2990
2991         * combine.c (find_split_point):  Sign extend bitmask
2992         when changing bitfield assignment to IOR of AND.
2993
2994 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
2995
2996         * config/ms1/ms1.md (decrement_and_branch_until_zero): Add early
2997         clobber to scratch reg.
2998         (*decrement_and_branch_until_zero_no_clobber): Remove.
2999         (decrement_and_branch peephole): Add dummy scratch reg to pattern.
3000         (mulhish3): Use TARGET_MS1_16_003, TARGET_MS2.
3001         * config/ms1/ms1.opt (mmul): Remove.
3002         * config/ms1/ms1.h (ASM_SPEC): Cope with uppercase arch names.
3003         (LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Default to 16-002.
3004
3005 2005-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3006             Bernd Schmidt  <bernd.schmidt@analog.com>
3007
3008         * pa/predicates.md (symbolic_operand): Add comment.
3009         * pa/pa.md (reload_insi_r1, reload_indi_r1): New reload expanders.
3010         * pa/pa-protos.h (pa_secondary_reload_class): Delete.
3011         * pa/pa.c (TARGET_SECONDARY_RELOAD): Define.
3012         (pa_secondary_reload_class): Delete.
3013         (pa_secondary_reload): New function derived from SECONDARY_RELOAD_CLASS
3014         and pa_secondary_reload_class.  Reorder some checks.  Update inline
3015         copy of symbolic operand.
3016         * pa/pa.h (SECONDARY_RELOAD_CLASS): Delete.
3017
3018 2005-11-30  Nathan Sidwell  <nathan@codesourcery.com>
3019
3020         * loop-doloop.c (add_test): Only add jump notes if we did emit a
3021         jump.
3022
3023 2005-11-30  Jeff Law  <law@redhat.com>
3024
3025         * tree-ssa-uncprop.c (associate_equivalences_with_edges): Properly
3026         handle SSA_NAME_OCCURS_IN_ABNORMAL_PHI.
3027
3028 2005-11-30  Jakub Jelinek  <jakub@redhat.com>
3029
3030         * config/ia64/ia64.c (ia64_expand_tls_address): Add ORIG_OP1 argument.
3031         Move ADDEND_{HI,LO} computation into TLS_MODEL_INITIAL_EXEC case.
3032         (ia64_expand_move): Adjust caller.
3033
3034         * config/ia64/ia64.c (ia64_expand_atomic_op): Only use
3035         fetchadd{4,8}.acq instruction if CODE is PLUS or MINUS, for MINUS
3036         negate VAL.
3037
3038 2005-11-30  Paolo Bonzini  <bonzini@gnu.org>
3039
3040         * simplify-rtx.c (simplify_plus_minus): Remove final parameter.
3041         Always produce an output if we can remove NEGs or canonicalize
3042         (minus (minus ...)) expressions.  Provide a fast path for the
3043         two-operand case.
3044         (simplify_gen_binary): Do not call simplify_plus_minus.
3045         (simplify_binary_operation_1): Reassociate at the end of the
3046         function.
3047
3048 2005-11-29  Evan Cheng  <evan.cheng@apple.com>
3049
3050         * config/i386/xmmintrin.h (_MM_TRANSPOSE4_PS): Rewrite using high/low
3051         moves and unpack to speed up.
3052
3053 2005-11-29  David S. Miller  <davem@sunset.davemloft.net>
3054
3055         * config/sparc/sparc.c (gen_compare_reg): Kill 2nd and 3rd
3056         argument, they are always sparc_compare_op0 and sparc_compare_op1.
3057         (gen_v9_scc): Update callers.
3058         * config/sparc/sparc.md: Likewise.
3059         * config/sparc/sparc-protos.h: Update extern declaration.
3060
3061         * tree-into-ssa.c (rewrite_into_ssa): Fix comment typo.
3062
3063 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
3064
3065         * fold-const.c (negate_expr) <case BIT_NOT_EXPR>: Add break after
3066         the if.
3067
3068 2005-11-29  Andrew Pinski  <pinskia@physics.uc.edu>
3069
3070         * fold-const.c (negate_expr_p): Return true for BIT_NOT_EXPR.
3071         (fold_unary) <case NEGATE_EXPR>: Move -(~a) transformation to ...
3072         (negate_expr): Here.
3073
3074 2005-11-29  Ben Elliston  <bje@au.ibm.com>
3075
3076         * config/i386/i386.h (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN):
3077         Fix typo in comment.
3078
3079 2005-11-29  Ben Elliston  <bje@au.ibm.com>
3080
3081         * Makefile.in (clean-target): Depend on clean-target-libgcc.
3082         (clean-target-libgcc): Import rule from the top-level Makefile.in.
3083
3084 2005-11-29  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3085
3086         PR middle-end/20109
3087         PR middle-end/25120
3088         * builtins.c (init_target_chars): New.
3089         (expand_builtin_printf, expand_builtin_fprintf,
3090         expand_builtin_sprintf, fold_builtin_sprintf,
3091         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3092         fold_builtin_snprintf_chk, fold_builtin_printf,
3093         fold_builtin_fprintf): Check for matching format strings using
3094         the target charset.
3095
3096 2005-11-29  Paul Brook  <paul@codesourcery.com>
3097
3098         * config.gcc: Do not use fixproto on m68k-elf.
3099
3100 2005-11-28  Roger Sayle  <roger@eyesopen.com>
3101
3102         * expmed.c (div_cost): Replace with...
3103         (sdiv_cost, udiv_cost): New.
3104         (init_expmed): Initialize sdiv_cost and udiv_cost, not div_cost.
3105         Rename the div and mod fields, used to initialize sdiv_pow2_cheap
3106         and smod_pow2_cheap, to sdiv_32 and smod_32 to avoid confusion.
3107         (expand_divmod): Replace use of div_cost with either sdiv_cost
3108         or udiv_cost depending upon the signedness of the operation.
3109
3110 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
3111
3112         PR libfortran/24991
3113         * config/darwin.c (machopic_indirection_name,
3114         machopic_output_indirection): Follow transparent alias chain.
3115
3116 2005-11-28  Alexandre Oliva  <aoliva@redhat.com>
3117
3118         * varasm.c (ultimate_transparent_alias_target): Add comment.
3119
3120 2005-11-28  Kazu Hirata  <kazu@codesourcery.com>
3121
3122         * config/m68k/m68k.c (notice_update_cc): Use SET_DEST and
3123         SET_SRC instead of XEXP where appropriate.
3124
3125 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
3126
3127         * config/fp-bit.c (isnan, isinf, pack_d, unpack_d): Use
3128         __builtin_expect.
3129
3130 2005-11-28  Joseph S. Myers  <joseph@codesourcery.com>
3131
3132         * config/fp-bit.h (LSHIFT): Take shift count parameter.
3133         * config/fp-bit.c (_fpadd_parts): Shift in one go instead of one
3134         bit at a time.
3135
3136 2005-11-28  Bernd Schmidt  <bernd.schmidt@analog.com>
3137
3138         * config/bfin/bfin.c (bfin_secondary_reload): Renamed from
3139         secondary_input_reload_class, made static.  Adapt to new
3140         infrastructure.
3141         (secondary_output_reload_class): Delete.
3142         (TARGET_SECONDARY_RELOAD): New macro.
3143         * config/bfin/bfin.h (SECONDARY_INPUT_RELOAD_CLASS,
3144         SECONDARY_OUTPUT_RELOAD_CLASS): Delete.
3145
3146 2005-11-28  Nathan Sidwell  <nathan@codesourcery.com>
3147
3148         PR c++/21166
3149         * c-decl.c (finish_struct):  Only set DECL_PACKED on a field
3150         when its natural alignment is > BITS_PER_UNIT.
3151         * stor-layout.c (finalize_type_size): Revert my patch of 2005-08-08.
3152         * c-common.c (handle_packed_attribute): Ignore packing on a field
3153         whose type is naturally char aligned.
3154
3155 2005-11-28  Richard Guenther  <rguenther@suse.de>
3156
3157         * c-common.c (strict_aliasing_warning): Handle all
3158         component-ref like accesses.
3159
3160 2005-11-28  Roger Sayle  <roger@eyesopen.com>
3161             Uros Bizjak  <uros@kss-loka.si>
3162
3163         PR middle-end/20219
3164         * fold-const.c (fold binary) <RDIV_EXPR>: Optimize
3165         sin(x)/tan(x) as cos(x) and tan(x)/sin(x) as 1.0/cos(x)
3166         when flag_unsafe_math_optimizations is set and
3167         we don't care about NaNs or Infinities.
3168
3169         Move x/expN(y) and x/pow(y,z) transformation into common
3170         flag_unsafe_math_optimizations section.
3171
3172 2005-11-27  Mark Mitchell  <mark@codesourcery.com>
3173
3174         * gcc.c (main): Change type of argv to "char **".
3175
3176 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
3177
3178         * doc/invoke.texi (powerpc msdata-data): Static data doesn't go in
3179         small data sections.
3180         * config/rs6000/rs6000.c (rs6000_elf_in_small_data_p): Make global.
3181         * config/rs6000/rs6000-protos.h: (rs6000_elf_in_small_data_p): Declare.
3182         * config/rs6000/sysv4.h (ASM_OUTPUT_ALIGNED_LOCAL): Rename to..
3183         (ASM_OUTPUT_ALIGNED_DECL_LOCAL): ..this, adding extra parm.  Don't
3184         output locals to sbss if !rs6000_elf_in_small_data_p.
3185         (ASM_OUTPUT_ALIGNED_BSS): Adjust for above.
3186
3187 2005-11-28  Alan Modra  <amodra@bigpond.net.au>
3188
3189         PR target/24997
3190         * config/rs6000/rs6000.c (legitimate_indexed_address_p): Allow pattern
3191         generated by reload.
3192         * config/rs6000/predicates.md (indexed_or_indirect_operand): Use
3193         indexed_or_indirect_address.
3194         (indexed_or_indirect_address): Don't test for base reg.  Call
3195         address_operand last.  Make it a special predicate.
3196
3197 2005-11-27  Kazu Hirata  <kazu@codesourcery.com>
3198
3199         * config/m68k/m68k.c (notice_update_cc): Remove useless code.
3200
3201 2005-11-27  Andrew Pinski  <pinskia@physics.uc.edu>
3202
3203         PR middle-end/24575
3204         * fold-const.c (negate_expr_p): Add case for signed divides if overflow
3205         is undefined.
3206         (negate_expr): Likewise.
3207
3208 2005-11-27  Andreas Schwab  <schwab@suse.de>
3209
3210         * config/m68k/m68k.c: Reindent and fix whitespace, remove
3211         redundant parens.
3212
3213 2005-11-27  Steven Bosscher  <stevenb@suse.de>
3214
3215         * cfgcleanup.c (try_crossjump_to_edge): Always split SRC2 if it
3216         has EH predecessor edges.
3217
3218 2005-11-26  Eric Christopher  <echristo@apple.com>
3219
3220         * config/i386/i386.md (*zero_extendqihi2_movzbw): Avoid partial
3221         register stalls by zero extending to the full register.
3222
3223 2005-11-27  Joseph S. Myers  <joseph@codesourcery.com>
3224
3225         * config/floatunsisf.c, config/floatunsidf.c,
3226         config/floatunsixf.c, config/floatunsitf.c: New files.
3227         * config/ia64/t-hpux: Add floatunsitf.c.
3228         * config/ia64/ia64.c (ia64_init_libfuncs): Use
3229         _U_Qfcnvxuf_dbl_to_quad for unsigned DImode-to-TFmode conversion.
3230
3231 2005-11-26  Richard Henderson  <rth@redhat.com>
3232
3233         * c-lex.c (pragma_lex): Rename from c_lex.
3234         * c-pch.c: Update for pragma_lex rename.
3235         * c-pragma.c, c-pragma.h, config/ia64/ia64-c.c: Likewise.
3236         * config/m32c/m32c-pragma.c, config/darwin-c.c: Likewise.
3237         * config/rs6000/rs6000-c.c, config/c4x/c4x-c.c: Likewise.
3238         * config/sol2-c.c, config/v850/v850-c.c: Likewise.
3239         * doc/tm.texi: Likewise.
3240
3241 2005-11-26  Andrew Pinski  <pinskia@physics.uc.edu>
3242
3243         PR middle-end/23669
3244         * fold-const.c (fold_binary): Convert -A/-B to A/B for signed types
3245         when overflow is undefined.
3246
3247 2005-11-26  Hans-Peter Nilsson  <hp@axis.com>
3248
3249         * doc/md.texi (Insn Canonicalizations): Refer to the
3250         function commutative_operand_precedence for further rules.
3251
3252 2005-11-25  Roger Sayle  <roger@eyesopen.com>
3253
3254         PR middle-end/21309
3255         * expmed.c (choose_mult_variant): Return immediately when mult_cost
3256         is less than zero.  Limit mult_cost to a reasonable upper bound for
3257         the synthetic multiplication sequence.
3258
3259 2005-11-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3260
3261         PR middle-end/25022
3262         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3263         fold_builtin_fputs, fold_builtin_printf, fold_builtin_fprintf):
3264         Lookup the explicit replacement functions for any unlocked
3265         stdio builtin transformations.
3266
3267 2005-11-25  Hans-Peter Nilsson  <hp@axis.com>
3268
3269         * config/cris/cris.md ("reload_out<mode>"): Mark operand 2 as
3270         earlyclobber.
3271         * targhooks.c (default_secondary_reload): Don't require operand 2
3272         for an input reload to be earlyclobber.
3273
3274 2005-11-25  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
3275
3276         * fold-const.c (negate_mathfn_p): Fix comment and add support
3277         for BUILT_IN_CBRT, BUILT_IN_SINH, BUILT_IN_TANH, BUILT_IN_ASINH,
3278         BUILT_IN_ATANH.
3279
3280 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
3281
3282         PR middle-end/24998
3283         * config/sparc/sparc.c (sparc_init_libfuncs): Use _Q_utoq and
3284         _Q_ulltoq for unsigned conversions from SImode and DImode to
3285         TFmode.
3286
3287 2005-11-25  Alan Modra  <amodra@bigpond.net.au>
3288
3289         * config/rs6000/ppc64-fp.c (__floatunditf): New function.
3290         (__floatundidf, __floatundisf): Likewise.
3291
3292 2005-11-25  David Edelsohn  <edelsohn@gnu.org>
3293
3294         * config/rs6000/rs6000.c (rs6000_sr_alias_set): Delete.
3295         (rs6000_override_options): Remove initialization of
3296         rs6000_sr_alias_set.
3297         (rs6000_emit_eh_reg_restore): Use gen_frame_mem.
3298         (rs6000_emit_stack_tie): Same.
3299         (emit_frame_save): Same.
3300         (gen_frame_mem_offset): Same.
3301         (rs6000_emit_prologue): Same.
3302         (rs6000_emit_epilogue): Same.
3303
3304 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
3305
3306         PR middle-end/24989
3307         * fold-const.c (fold_build): Convert bool_var != 1 and
3308         bool_var == 0 to !bool_var.
3309
3310 2005-11-25  Andrew Pinski  <pinskia@physics.uc.edu>
3311
3312         PR middle-end/24990
3313         * fold-const.c (fold_binary): Fold (~a) == C to a == ~C
3314         for C being INTEGER_CST.  Likewise for !=.
3315
3316 2005-11-25  Joseph S. Myers  <joseph@codesourcery.com>
3317
3318         PR middle-end/24998
3319         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use _q_utoq for
3320         unsigned conversions from SImode to TFmode.
3321
3322 2005-11-24  Bernd Schmidt  <bernd.schmidt@analog.com>
3323
3324         * expr.c (expand_expr_real_1): Fix error in last change.
3325
3326 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3327
3328         * caller-save.c: (this_insn_sets): Move into:
3329         (save_call_clobbered_regs).
3330         (mark_set_regs): Get this_insn_sets from data.
3331
3332         (save_call_clobbered_regs): Take sets of the return value by
3333         sibcalls into account.
3334
3335 2005-11-24  J"orn Rennecke <joern.rennecke@st.com>
3336         PR target/21623:
3337
3338         * regclass.c (FORBIDDEN_INC_DEC_CLASSES): Remove
3339         SECONDARY_INPUT_RELOAD_CLASS and SECONDARY_OUTPUT_RELOAD_CLASS tests.
3340         (init_fake_stack_mems): Remove HAVE_SECONDARY_RELOADS test.
3341         (memory_move_secondary_cost, init_reg_autoinc): Remove
3342         SECONDARY_INPUT_RELOAD_CLASS / SECONDARY_OUTPUT_RELOAD_CLASS tests.
3343         Replace SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with
3344         secondary_reload_class call.
3345         (copy_cost): Likewise.  Add new parameter prev_sri.  Changed all
3346         callers.
3347         * reload.c (entire file): Remove HAVE_SECONDARY_RELOADS checks.
3348         (push_secondary_reload): Use secondary_reload target hook.
3349         (secondary_reload_class, scratch_reload_class): New functions.
3350         (push_reload): Remove SECONDARY_INPUT_RELOAD_CLASS and
3351         SECONDARY_OUTPUT_RELOAD_CLASS tests.  Replace
3352         SECONDARY_{IN,OUT}PUT_RELOAD_CLASS use with secondary_reload_class call.
3353         * reload.h (HAVE_SECONDARY_RELOADS): Don't define nor test.
3354         (secondary_reload_class, scratch_reload_class): Declare.
3355         * reload1.c: Include target.h.
3356         (reload_adjust_reg_for_temp): New function.
3357         (reload_adjust_reg_for_icode): Likewise.
3358         (choose_reload_regs): Remove SECONDARY_INPUT_RELOAD_CLASS test.
3359         Replace SECONDARY_INPUT_RELOAD_CLASS use with secondary_reload_class
3360         call.
3361         (emit_input_reload_insns): Likewise.  Rewrite secondary reload checks
3362         for inheritance.  Support case when both secondary & tertiary reloads
3363         are for intermediate registers.
3364         (emit_output_reload_insns): Replace SECONDARY_OUTPUT_RELOAD_CLASS use
3365         with secondary_reload_class call.  Support case when both secondary
3366         & tertiary reloads are for intermediate registers.
3367         * target-def.h (TARGET_SECONDARY_RELOAD): Provide default definition.
3368         (TARGET_INITIALIZER) Add TARGET_SECONDARY_RELOAD.
3369         * target.h (secondary_reload_info): New struct / typedef.
3370         (struct gcc_target): New member secondary_reload.
3371         * targhooks.c Include reload.h, optabs.h and recog.h.
3372         (default_secondary_reload): New function.
3373         * targhooks.h (default_secondary_reload): Declare.
3374         * doc/tm.texi: Document secondary_reload target hook.  Update
3375         description of SECONDARY_*RELOAD_CLASS and reload_{in,out}<mode>.
3376         * doc/md.texi: Likewise.
3377
3378         * sh-protos.h (sh_secondary_reload): Declare.
3379         * sh.c (TARGET_SECONDARY_RELOAD): Override.
3380         (sh_secondary_reload): New function.
3381         * sh.h (SECONDARY_INOUT_RELOAD_CLASS): Don't define.
3382         (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
3383         (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
3384         (HAVE_SECONDARY_RELOADS): Define.
3385         * sh.md (reload_indf): Rename to:
3386         (reload_indf__frn).
3387         (reload_outdf): Rename to:
3388         (reload_outdf__RnFRm).
3389         (reload_insf): Rename to:
3390         (reload_insf__frn).
3391         (reload_insi): Rename to:
3392         (reload_insi__i_fpul).
3393
3394 2005-11-24  Uros Bizjak  <uros@kss-loka.si>
3395
3396         * configure.ac: Require at least texinfo 4.4.
3397         * configure: Regenerate.
3398
3399         * doc/install.texi (Tools/packages necessary for building GCC):
3400         Update required version of texinfo to at least 4.4.
3401         (Installing GCC: Building): Update required version of texinfo
3402         to at least 4.4.
3403         (Installing GCC: Final installation): Update required version
3404         of texi2dvi to at least 4.4.
3405         (Host/target specific installation notes for GCC): Update required
3406         version of texinfo to at least 4.4.
3407
3408 2005-11-24  Richard Guenther  <rguenther@suse.de>
3409         Dirk Mueller <dmueller@suse.de>
3410
3411         PR c++/14024
3412         * c-common.h (strict_aliasing_warning): Declare.
3413         * c-common.c (strict_aliasing_warning): New function,
3414         split out from ...
3415         * c-typeck.c (build_c_cast): ... here.
3416
3417 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3418
3419         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
3420         to order operands.
3421         (swap_commutative_operands_with_target): New.
3422
3423 2005-11-24  Paolo Bonzini  <bonzini@gnu.org>
3424
3425         * gcse.c (hash_scan_set): Look through REG_EQUAL or REG_EQUIV notes
3426         also when doing PRE, rather than only for global CPROP.
3427
3428 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3429
3430         * machmode.h (CLASS_HAS_WIDER_MODES_P): New macro.
3431         * optabs.c (expand_binop): Use CLASS_HAS_WIDER_MODES_P, improve
3432         formatting.
3433         (expand_twoval_unop): Likewise.
3434         (widen_clz): Likewise.
3435         (expand_parity): Likewise.
3436         (expand_unop): Likewise.
3437         (emit_cmp_and_jmp_insn_1): Likewise.
3438         (prepare_float_lib_cmp): Likewise.
3439
3440 2005-11-24  Ben Elliston  <bje@au.ibm.com>
3441
3442         * optabs.c (prepare_cmp_insn): Use SCALAR_FLOAT_MODE_P.
3443         Remove unused `class' variable.
3444
3445 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3446
3447         PR c++/21667
3448         * c-typeck.c (build_array_ref): Avoid code duplicate.  Use common
3449         C/C++ diagnostic function warn_array_subscript_with_type_char.
3450         * c-common.h (warn_array_subscript_with_type_char): Declare.
3451         * c-common.c (warn_array_subscript_with_type_char): Define.
3452
3453 2005-11-23  Gabriel Dos Reis  <gdr@integrable-solutions.net>
3454
3455         PR c/21668
3456         * c-decl.c (grokdeclarator): Don't warn for 'extern const' when
3457         compiling at the intersection of C and C++.
3458
3459 2005-11-23  Mark Mitchell  <mark@codesourcery.com>
3460
3461         * doc/invoke.texi: For man pages, include gcc-vers.texi.
3462         List @file in the option summary.  Include the libiberty
3463         documentation for @file.
3464         * gcc.c (main): Call expandargv.
3465         * Makefile.in (gcc-vers.texi): Define srcdir.
3466
3467 2005-11-23  Diego Novillo  <dnovillo@redhat.com>
3468
3469         * passes.c (init_optimization_passes): Document
3470         sequencing of passes.
3471
3472 2005-11-23  Kazu Hirata  <kazu@codesourcery.com>
3473
3474         * config/m68k/predicates.md (pcrel_address, extend_operator,
3475         post_inc_operand, pre_dec_operand): Remove redundant
3476         conditionals.
3477         (const_uint32_operand, const_sint32_operand): Use gcc_assert
3478         instead of abort.
3479         (valid_dbcc_comparison_p): Rewrite in the lisp style.
3480
3481 2005-11-23  Ben Elliston  <bje@au.ibm.com>
3482
3483         * dwarf2.h (enum dwarf_type): Add DW_ATE_decimal_float.
3484
3485 2005-11-22  J"orn Rennecke <joern.rennecke@st.com>
3486
3487         Preparatory work for PR target/21623:
3488         * alpha.c (secondary_reload_class): Rename to:
3489         (alpha_secondary_reload_class).
3490         * alpha.h, alpha-protos.h: Likewise.
3491         * mn10300.c (secondary_reload_class): Rename to:
3492         (mn10300_secondary_reload_class).
3493         * mn10300.h, mn10300-protos.h: Likewise.
3494         * pa.c (secondary_reload_class): Rename to:
3495         (pa_secondary_reload_class).
3496         * pa.h, pa-protos.h: Likewise.
3497         * rs6000.c (secondary_reload_class): Rename to:
3498         rs6000_secondary_reload_class.
3499         * rs6000.h, rs6000-protos.h: Likewise.
3500
3501 2005-11-22  Eric Botcazou  <ebotcazou@adacore.com>
3502
3503         PR middle-end/22561
3504         * tree-ssa-structalias.c (get_constraint_for): Handle ARRAY_RANGE_REF.
3505
3506 2005-11-22  Ian Lance Taylor  <ian@airs.com>
3507
3508         * optabs.c (expand_unop): Call SCALAR_FLOAT_MODE_P on a mode, not
3509         a mode_class.
3510         (prepare_cmp_insn): Likewise.
3511
3512 2005-11-22  Kazu Hirata  <kazu@codesourcery.com>
3513
3514         PR target/23435
3515         * m68k.md (zero_extendsidi2): Force operands[1] to a register
3516         if both operands[0] and operands[1] are memory.
3517
3518 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3519
3520         PR middle-end/23606
3521         * fold-const.c (fold_unary) <case NOP_EXPR, CONVERT_EXPR>: For
3522         COMPARISON_CLASS_P and an integral types create create a new
3523         expression with the new type and fold that.
3524
3525 2005-11-22  Andrew Pinski  <pinskia@physics.uc.edu>
3526
3527         PR target/24988
3528         * config/rs6000/darwin.h (TARGET_OS_CPP_BUILTINS): Remove call
3529         to SUBTARGET_OS_CPP_BUILTINS.
3530
3531 2005-11-22  Richard Earnshaw  <richard.earnshaw@arm.com>
3532
3533         * arm.c (emit_set_insn): New function.
3534         (arm_split_constant): Call it.
3535         (arm_gen_compare_reg, arm_reload_in_hi, arm_reload_out_hi): Likewise.
3536         (arm_legitimize_address): Likewise.  Use plus_constant.
3537         (arm_expand_prologue): Likewise.  Use VOIDmode in SET.
3538         (thumb_expand_prologue): Likewise.
3539         (arm_gen_load_multiple): Use VOIDmode in SET.
3540         (arm_gen_store_multiple): Likewise.
3541         (vfp_emit_fstmx): Likewise.  Use plus_constant.
3542         (emit_multi_reg_push): Likewise.
3543         (emit_sfm): Use plus_constant.
3544
3545 2005-11-23  Alan Modra  <amodra@bigpond.net.au>
3546
3547         PR target/24954
3548         * config/rs6000/predicates.md (easy_vector_constant_add_self): Fix
3549         typo last change.
3550
3551 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3552
3553         PR middle-end/24950
3554         * expmed.c (store_bit_field): Don't attempt to insv a field
3555         larger than the reg.
3556
3557 2005-11-22  Alan Modra  <amodra@bigpond.net.au>
3558
3559         PR target/24954
3560         * config/rs6000/predicated.md (easy_vector_constant_add_self): Use
3561         explicit sign extension, not a (char) cast.
3562
3563 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3564
3565         * optabs.c: Use SCALAR_FLOAT_MODE_P instead of explicitly testing
3566         GET_MODE_CLASS (x) == MODE_FLOAT.
3567         * config/i386/i386.c: Likewise.
3568         * config/rs6000/xcoff.h: Likewise.
3569         * config/rs6000/linux64.h: Likewise.
3570         * config/rs6000/rs6000.c: Likewise.
3571         * config/rs6000/rs6000.h: Likewise.
3572         * config/rs6000/predicates.md: Likewise.
3573         * config/rs6000/sysv4.h: Likewise.
3574
3575 2005-11-21  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3576
3577         * c-cppbuiltin.c (c_cpp_builtins): Define __pic__ and __PIC__ when
3578         flag_pic is set.
3579
3580         * config/alpha/freebsd.h, config/alpha/linux.h,
3581         config/arm/linux-elf.h, config/bfin/bfin.h,
3582         config/cris/linux.h, config/darwin.h, config/freebsd-spec.h,
3583         config/i386/beos-elf.h, config/i386/gnu.h,
3584         config/i386/linux.h, config/i386/linux64.h, config/i386/nto.h,
3585         config/i386/sco5.h, config/m32r/m32r.h, config/m68k/linux.h,
3586         config/m68k/m68k.h, config/mips/linux.h, config/pa/pa-linux.h,
3587         config/rs6000/linux64.h, config/rs6000/sysv4.h,
3588         config/rs6000/vxworks.h, config/s390/linux.h, config/s390/tpf.h,
3589         config/sh/linux.h, config/sh/sh.h, config/sol2.h,
3590         config/sparc/linux.h, config/sparc/linux64.h,
3591         config/xtensa/xtensa.h: Don't define __pic__ or __PIC__.
3592
3593         * doc/invoke.texi: Document that the macros __pic__ and __PIC__
3594         are both defined when either flag -fpic or -fPIC are used.
3595
3596 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3597
3598         * config/fp-bit.c (clzusi): New function.
3599         (si_to_float, usi_to_float): Use it to compute proper shift.
3600         (usi_to_float): Preserve guard bits when shifting right.
3601         * libgcc-std.ver (GCC_4.2.0): New version.
3602         * libgcc2.c (__floatundixf, __floatunditf, __floatundidf,
3603         __floatundisf): New functions.
3604         * libgcc2.h (__floatundixf, __floatunditf, __floatundidf,
3605         __floatundisf): Declare.
3606         * mklibgcc.in (lib2funcs): Add _floatundidf, _floatundisf,
3607         _floatundixf, and _floatunditf.
3608         * optabs.c (expand_float): If target does not define a pattern for
3609         signed or unsigned conversion, use an unsigned libcall instead of
3610         a signed one.
3611         (init_optabs): Initialize ufloat_optab.
3612
3613 2005-11-22  Joseph S. Myers  <joseph@codesourcery.com>
3614
3615         * config/rs6000/rs6000.opt (mmulhw): New option.
3616         * doc/invoke.texi (-mmulhw): Document.
3617         * config/rs6000/rs6000.c (rs6000_override_options): Enable -mmulhw
3618         for 405 and 440.
3619         * config/rs6000/rs6000.md: Add half-word multiply and
3620         multiply-accumulate instructions for 405 and 440.
3621
3622 2005-11-21  Joel Sherrill <joel.sherrill@oarcorp.com>
3623
3624         * config/arm/rtems-elf.h: Added definition of LINK_GCC_C_SEQUENCE_SPEC
3625         which matches behavior of gcc 4.0 and older for RTEMS targets.  The
3626         default now includes a linker group which makes the RTEMS one nest.
3627
3628 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3629
3630         * cse.c (fold_rtx): Typo fix.
3631         (find_comparison_args): Pass the mode of arg1, not arg1 itself.
3632
3633 2005-11-21  Richard Henderson  <rth@redhat.com>
3634
3635         * c-common.c, config/darwin-c.c, c-decl.c, c-tree.h, c-objc-common.h,
3636         langhooks-def.h, langhooks.h: Revert 2005-11-18 lookup_name patch.
3637
3638         * c-tree.h (lookup_name): Move declaration ...
3639         * c-common.h (lookup_name): ... here.
3640         * config/darwin-c.c: Include c-common.h.
3641         * config/t-darwin: Update dependencies.
3642
3643 2005-11-22  Ben Elliston  <bje@au.ibm.com>
3644
3645         * optabs.c (expand_abs_nojump): Use SCALAR_FLOAT_MODE_P instead of
3646         explicitly testing GET_MODE_CLASS (x) == MODE_FLOAT.
3647         * genopinit.c (gen_insn): Likewise.
3648         * reload.c (find_equiv_reg): Likewise.
3649         * loop.c (load_mems): Likewise.
3650         * rtlanal.c (may_trap_p_1, canonicalize_condition): Likewise.
3651         * cse.c (find_comparison_args, fold_rtx): Likewise.
3652         * dwarf2out.c (add_const_value_attribute): Likewise.
3653         * expr.c (convert_move): Likewise.
3654         * recog.c (general_operand, register_operand): Likewise.
3655         * reg-stack.c (replace_reg): Likewise.
3656         * tree-vect-generic.c (type_for_widest_vector_mode): Likewise.
3657         * c-common.c (handle_vector_size_attribute): Likewise.
3658         * simplify-rtx.c (simplify_const_unary_operation): Likewise.
3659         (simplify_binary_operation_1): Likewise.
3660         (simplify_const_binary_operation): Likewise.
3661         (simplify_relational_operation): Likewise.
3662         (simplify_const_relational_operation): Likewise.
3663         (simplify_immed_subreg): Likewise.
3664         * emit-rtl.c (gen_lowpart_common): Likewise.
3665         * expmed.c (expand_mult): Likewise.
3666         * stor-layout.c (layout_type): Likewise.
3667
3668 2005-11-21  Paolo Bonzini  <bonzini@gnu.org>
3669
3670         PR target/24951
3671         * config/rs6000/rs6000.c (output_vec_const_move): Load cst and
3672         cst2 only for SPE vectors.
3673
3674 2005-11-21  David Edelsohn  <edelsohn@gnu.org>
3675
3676         PR target/24953
3677         * config/rs6000/predicates.md (vrsave_operation): Check
3678         UNSPEC_VOLATILE value.
3679
3680 2005-11-21  Jan Hubicka  <jh@suse.cz>
3681
3682         PR tree-optimization/24653
3683         * tree-ssa-ccp.c (ccp_fold): Strip down useless conversions.
3684
3685 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3686
3687         * config/i386/predicates.md (ax_reg_operand): New predicate.
3688         (memory_displacement_only_operand): New predicate.
3689         * config/i386/i386.md ("modrm" attribute): Return 0 if one
3690         operand is AX register and the other operand is memory operand
3691         with displacement only.
3692
3693 2005-11-21  Uros Bizjak  <uros@kss-loka.si>
3694
3695         * fold-const.c (fold_binary) <RDIV_EXPR>: Optimize A / A to 1.0
3696         if we don't care about NaNs or Infinities.
3697
3698 2005-11-20  Ian Lance Taylor  <ian@airs.com>
3699
3700         PR rtl-optimization/24883
3701         * combine.c (combinable_i3pat): When checking whether the
3702         destination of i3 is used in i3, consider paradoxical subregs.
3703
3704 2005-11-21  Kazu Hirata  <kazu@codesourcery.com>
3705
3706         PR middle-end/20583
3707         * cse.c (cse_insn): Reject invalid forms of CONST earlier.
3708
3709 2005-11-20  Joseph S. Myers  <joseph@codesourcery.com>
3710
3711         * combine.c (try_combine): Do not run subst on i1src and i2src in
3712         the case of generating a PARALLEL for a comparison.
3713
3714 2005-11-20  Richard Henderson  <rth@redhat.com>
3715
3716         PR 24931
3717         * tree-sra.c (struct sra_elt): Add all_no_warning.
3718         (struct sra_walk_fns) <use>: Add use_all argument.
3719         (sra_walk_expr): Pass it.
3720         (sra_walk_modify_expr): Likewise.
3721         (scalarize_ldst): Likewise.
3722         (scan_use): Update for new argument.
3723         (mark_no_warning): New.
3724         (scalarize_use): Use it.
3725
3726 2005-11-20  Bernd Schmidt  <bernd.schmidt@analog.com>
3727
3728         * expr.c (expand_expr_real): Use usmul_optab for widening
3729         signed * unsigned multiplies.
3730         * genopinit.c (optabs): Add usmul_widen_optab.
3731         * optabs.c (init_optabs): Likewise.
3732         * optabs.h (enum optab_index): Add OTI_usmul_widen.
3733         (usmul_widen_optab): Define.
3734         * config/bfin/bfin.md (usmulhisi3): New pattern.
3735
3736         * doc/md.texi (usmulqihi3, usmulhisi3, usmulsidi3): Document.
3737
3738 2005-11-20  Graham Stott <btinternet.com>
3739
3740         * gensupport.c (std_preds): Fixed extraneous `false` in last change.
3741
3742 2005-11-20  Andreas Schwab  <schwab@suse.de>
3743
3744         PR target/24757
3745         * config/ia64/ia64.c (ia64_expand_atomic_op): Fix condition of cmp
3746         insn.
3747
3748 2005-11-19  Richard Henderson  <rth@redhat.com>
3749
3750         PR tree-opt/24665
3751         * tree-gimple.c (is_gimple_id): Export.
3752         * tree-gimple.h (is_gimple_id): Declare.
3753         * tree-ssa-ccp.c (ccp_decl_initial_min_invariant): New.
3754         (get_default_value): Use it.
3755         (maybe_fold_stmt_indirect): Likewise.
3756
3757 2005-11-19  James A. Morrison  <phython@gcc.gnu.org>
3758
3759         * tree-vrp.c (compare_ranges): Return false for EQ_EXPR if VR0 is less
3760         than VR1 or vice-versa.
3761
3762 2005-11-19  Hans-Peter Nilsson  <hp@axis.com>
3763
3764         PR middle-end/24912
3765         PR middle-end/24750
3766         * reload.c (find_reloads_address_1): Mention dependency on
3767         gen_reload.
3768         * reload1.c (gen_reload): For IN with an unary operation, try
3769         moving inner expression to OUT if trivial SET is not valid.
3770         Confirm that the result is valid.  Move common code block into...
3771         (emit_insn_if_valid_for_reload): New function.
3772
3773 2005-11-19  Richard Guenther  <rguenther@suse.de>
3774
3775         * fold-const.c (fold_indirect_ref_1): Make sure we fold
3776         ARRAY_REFs of constant strings.
3777
3778 2005-11-19  Jakub Jelinek  <jakub@redhat.com>
3779
3780         * gcc.c (version_compare_spec_function): Use '%s' rather than %qs in
3781         fatal format string.
3782
3783 2005-11-19  Joseph S. Myers  <joseph@codesourcery.com>
3784
3785         * combine.c (make_compound_operation): Swap operands of
3786         commutative operation if necessary before returning.
3787
3788 2005-11-19  Richard Guenther  <rguenther@suse.de>
3789
3790         PR middle-end/23294
3791         * fold-const.c (fold_plusminus_mult_expr): New function.
3792         (fold_binary): Use to canonicalize PLUS_EXPR and MINUS_EXPR
3793         cases, remove now unnecessary code.
3794
3795 2005-11-19  Paolo Bonzini  <bonzini@gcc.gnu.org>
3796
3797         * gensupport.c (old_preds): Rename to std_preds, add special field.
3798         (struct old_pred_table): Rename to struct std_pred_table, add special
3799         field.
3800         (NUM_KNOWN_OLD_PREDS): Rename to NUM_KNOWN_STD_PREDS.
3801         (NUM_OLD_SPECIAL_MODE_PREDS): Remove.
3802         (init_predicate_table): Adjust, and set along the way whether a
3803         predicate is special.
3804
3805 2005-11-18  Mark Mitchell  <mark@codesourcery.com>
3806
3807         * BASE-VER: Change to 4.2.0.
3808
3809 2005-11-18  James E Wilson  <wilson@specifix.com>
3810
3811         * builtins.c (fold_builtin_strstr): Pass s1 through fold_convert before
3812         returning it.
3813
3814 2005-11-18  Mike Stump  <mrs@apple.com>
3815
3816         * c-common.c (handle_cleanup_attribute): Use a lang hook for lookup_name.
3817         * config/darwin-c.c (darwin_pragma_unused): Likewise.
3818         * c-decl.c (lookup_name_two) Remove.
3819         * c-tree.h (lookup_name_two): Remove.
3820         * c-objc-common.h (LANG_HOOKS_LOOKUP_NAME): Add.
3821         * langhooks-def.h (LANG_HOOKS_LOOKUP_NAME): Add.
3822         (LANG_HOOKS_DECLS): Add initializer for LANG_HOOKS_LOOKUP_NAME.
3823         * langhooks.h (lang_hooks_for_decls): Add lookup_name.
3824
3825 2005-11-18  Richard Earnshaw  <richard.earnshaw@arm.com>
3826
3827         PR target/24914
3828         * arm.c (arm_hard_regno_mode_ok): Co-processor registers aren't ok
3829         when not generating code to use that co-processor.
3830
3831 2005-11-18  James A. Morrison  <phython@gcc.gnu.org>
3832
3833         * tree-flow.h (reserve_phi_args_for_new_edge, create_phi_node,
3834         add_phi_arg, remove_phi_args, remove_phi_node phi_reverse): Mention that
3835         these functions are now in tree-phinodes.c.
3836
3837 2005-11-18  Jie Zhang  <jie.zhang@analog.com>
3838
3839         * config/bfin/bfin.md (trap): New pattern.
3840
3841 2005-11-18  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
3842
3843         * tree-ssa-dom.c (extract_range_from_cond): Deal with variable bounds
3844         on types.
3845
3846         * expr.c (expand_expr_real): Don't call record_block_change unless
3847         ib_boundaries_block is non-null
3848
3849         * postreload.c (reload_cse_move2add): Don't try to work with BImode.
3850
3851         * fold-const.c (build_range_check): Use proper type for subtraction
3852         when merging lower bound.
3853
3854 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3855
3856         PR rtl-optimization/24497
3857         * loop-unroll.c (apply_opt_in_copies): Do not verify equality of
3858         the copied insn.
3859
3860 2005-11-18  Zdenek Dvorak  <dvorakz@suse.cz>
3861
3862         * tree-scalar-evolution.c (expression_expensive_p): New function.
3863         (scev_const_prop): Use compute_overall_effect_of_inner_loop.
3864
3865 2005-11-18  Bernd Schmidt  <bernd.schmidt@analog.com>
3866
3867         * config/bfin/crtlibid.s: New file.
3868
3869 2005-11-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3870
3871         PR target/24348
3872         * config.gcc (hppa*-*-hpux*): Add pa/t-slibgcc-elf-ver to tmake config
3873         when not using sjlj exceptions.
3874         * config/pa/pa64-hpux.h (LIB_SPEC): Add -lpthread in static links.
3875         * config/pa/pa-hpux11.h (LIB_SPEC): Likewise.
3876         * config/pa/som.h (ASM_PREFERRED_EH_DATA_FORMAT): Delete define.
3877         * config/pa/linux-unwind.h (pa32_fallback_frame_state): Use
3878         DWARF_ALT_FRAME_RETURN_COLUMN instead of column 0 as return column.
3879         * config/pa/pa-hpux.h (MD_UNWIND_SUPPORT): New define.
3880         * config/pa/pa-linux.h (INCOMING_RETURN_ADDR_RTX,
3881         DWARF_FRAME_RETURN_COLUMN, ASM_PREFERRED_EH_DATA_FORMAT,
3882         ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Delete defines.
3883         * config/pa/pa.h (ARG_POINTER_CFA_OFFSET): Delete.
3884         (FRAME_POINTER_CFA_OFFSET, INCOMING_RETURN_ADDR_RTX,
3885         DWARF_FRAME_RETURN_COLUMN, DWARF_ALT_FRAME_RETURN_COLUMN,
3886         ASM_PREFERRED_EH_DATA_FORMAT, ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New
3887         defines.
3888         * config/pa/hpux-unwind.h: New file.
3889
3890 2005-11-17  Alexandre Oliva  <aoliva@redhat.com>
3891
3892         * config/rs6000/rs6000.h (ASM_OUTPUT_WEAKREF): Define.
3893         * defaults.h (ASM_OUTPUT_WEAKREF): Add decl argument.
3894         * varasm.c (do_assemble_alias): Adjust call.
3895         (weak_finish): Don't use ASM_WEAKEN_LABEL if ASM_WEAKEN_DECL
3896         is defined.
3897         * doc/tm.texi (ASM_OUTPUT_WEAKREF): Document it.
3898
3899 2005-11-17  James E Wilson  <wilson@specifix.com>
3900
3901         * tree.def (FUNCTION_DECL): Correct typo in comment.
3902
3903 2005-11-17  Richard Henderson  <rth@redhat.com>
3904
3905         * dwarf2out.c (dw_cfi_oprnd_struct): Reduce dw_cfi_reg_num to int.
3906         (lookup_cfa_1): Apply data alignment to DW_CFA_def_cfa_offset_sf
3907         and DW_CFA_def_cfa_sf.
3908         (def_cfa_1): Use DW_CFA_def_cfa_offset_sf with negative values.
3909         (dbx_reg_number): Don't assert particular registers here.
3910         (based_loc_descr): ... do it here instead.  Fold in ...
3911         (eliminate_reg_to_offset): ... this function.
3912         (compute_frame_pointer_to_cfa_displacement): Fold in the effects
3913         of eliminate_reg_to_offset; use FRAME_POINTER_CFA_OFFSET.
3914         * unwind-dw2.c (execute_cfa_program): Apply data align factor
3915         to DW_CFA_def_cfa_offset_sf and DW_CFA_def_cfa_sf.
3916         * function.c (instantiate_new_reg): Use FRAME_POINTER_CFA_OFFSET.
3917         (instantiate_virtual_regs): Likewise.
3918         * var-tracking.c (adjust_stack_reference): Likewise.
3919         * doc/tm.texi (FRAME_POINTER_CFA_OFFSET): New.
3920
3921 2005-11-17  Bernd Schmidt  <bernd.schmidt@analog.com>
3922
3923         * config/bfin/elf.h (STARTFILE_SPEC): Add "crtlibid%O%s"
3924         * config/bfin/uclinux.h (STARFILE_SPEC): Likewise.
3925         * config/bfin/t-bfin-elf (EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Add
3926         crtlibid.o.
3927         ($(T)crtlibid.o): New rule.
3928
3929 2005-11-16  Richard Guenther  <rguenther@suse.de>
3930
3931         PR middle-end/24851
3932         * fold-const.c (extract_array_ref): Return byte offset
3933         in all cases.
3934         (fold_binary): Fold &x[a] CMP &x[b] to
3935         a*sizeof(*x) CMP b*sizeof(*x) to get correct overflow
3936         behavior.
3937
3938 2005-11-16  Richard Henderson  <rth@redhat.com>
3939
3940         PR middle-end/23497
3941         * tree-ssa.c (warn_uninitialized_var): Skip real and imaginary
3942         parts of an SSA_NAME.
3943
3944 2005-11-16  Richard Earnshaw  <richard.earnshaw@arm.com>
3945
3946         PR target/24861
3947         * arm.md (split for movsf with immediate): Restrict split to insns
3948         that set a general register.
3949
3950 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3951
3952         * config/ia64/unwind-ia64.c (uw_advance_context): New.  Call
3953         uw_update_context.
3954         * unwind-dw2.c (uw_advance_context): Likewise.
3955         * unwind-sjlj.c (uw_advance_context): Likewise.  Also call
3956         _Unwind_SjLj_Unregister.
3957         * unwind.inc (_Unwind_ForcedUnwind_Phase2): Call uw_advance_context.
3958
3959 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3960
3961         * unwind-sjlj.c (_Unwind_GetCFA): Handle the builtin_setjmp case.
3962
3963 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3964
3965         * config/alpha/alpha.c (alpha_init_builtins): Use type_for_mode
3966         langhook to get a DImode integer type.
3967
3968 2005-11-16  Richard Henderson  <rth@redhat.com>
3969             J"orn Rennecke <joern.rennecke@st.com>
3970             Ulrich Weigand  <uweigand@de.ibm.com>
3971
3972         PR rtl-opt/24160
3973         PR target/24621
3974         * reload1.c (reg_equiv_invariant): New.
3975         (reload): Allocate, initialize, and free it.
3976         (calculate_needs_all_insns): Check it when skipping equivalence
3977         setting insns.
3978         (alter_reg): Likewise.
3979         (eliminate_regs_1): Rename from eliminate_regs.  Add new
3980         may_use_invariant argument; only use reg_equiv_invariant when true.
3981         (eliminate_regs): New.
3982         (eliminate_regs_in_insn): Use eliminate_regs_1; track when we're in
3983         a context for which may_use_invariant may be true.
3984
3985 2005-11-16  Eric Botcazou  <ebotcazou@adacore.com>
3986
3987         * fold-const.c (const_binop): Don't constant fold the operation
3988         if the result has overflowed and flag_trapping_math.
3989         * simplify-rtx.c (simplify_const_binary_operation): Likewise.
3990
3991 2005-11-16  Daniel Jacobowitz  <dan@codesourcery.com>
3992
3993         * config/arm/unwind-arm.c (abort): Add prototype here.
3994         (UCB_FORCED_STOP_ARG): Correct typo in macro argument.
3995         (struct phase1_vrs): Add prev_sp.
3996         (unwind_phase2_forced): Save the original core registers instead of
3997         modifying entry_vrs.  Take a new flag argument for resuming unwinding
3998         and set action flags accordingly.  Always set _US_END_OF_STACK when
3999         get_eit_entry fails.  Unwind before calling the stop function.
4000         (_Unwind_GetCFA): New function.
4001         (__gnu_Unwind_ForcedUnwind): Update call to unwind_phase2_forced.
4002         (__gnu_Unwind_Resume_or_Rethrow): Likewise.
4003         (__gnu_Unwind_Resume): Do not unwind here for forced unwinding;
4004         just call unwind_phase2_forced.
4005         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Move to here.
4006         * config/arm/unwind-arm.h (abort): Remove prototype.
4007         (_Unwind_GetDataRelBase, _Unwind_GetTextRelBase): Change to
4008         prototypes.
4009         (_Unwind_GetCFA): New prototype.
4010         * config/arm/pr-support.c (abort): Add prototype here.
4011         * unwind-c.c (PERSONALITY_FUNCTION) [__ARM_EABI_UNWINDER__]: Handle
4012         forced unwinding.
4013         * config/arm/arm.c (arm_expand_prologue, thumb_expand_prologue): Do
4014         not schedule the prologue with non-call exceptions and EABI.
4015
4016 2005-11-16  Nathan Sidwell  <nathan@codesourcery.com>
4017
4018         * config/arm/unwind-arm.h: Reorder interface function declarations.
4019         (_URC_END_OF_STACK): New enumeration value.
4020         (_US_UNWIND_ACTION_MASK, _US_FORCE_UNWIND, _US_END_OF_STACK): Likewise.
4021         (struct _Unwind_Control_Block): Document reserved field use.
4022         (_Unwind_Stop_Fn): New typedef.
4023         (_Unwind_ForcedUnwind): Declare.
4024         (_Unwind_Resume_or_Rethrow): Declare.
4025         * gcc/config/arm/libunwind.S (UNWIND_WRAPER): Add nargs
4026         argument.  Adjust.
4027         (_Unwind_Resume_or_Rethrow, _Unwind_ForcedUnwind): New.
4028         * config/arm/unwind-arm.c (UCB_FORCED_STOP_FN)
4029         (UCB_FORCED_STOP_ARG): New.
4030         (search_EIT_table): Update boundary condition checks.
4031         (get_eit_entry): Return _URC_END_OF_STACK when cannot unwind.
4032         (unwind_phase2): Replace for with do..while.
4033         (unwind_phase2_forced): New.
4034         (__gnu_Unwind_RaiseException): Replace for with do..while.
4035         (__gnu_Unwind_ForcedUnwind): New.
4036         (__gnu_Unwind_Resume): Set FORCE_UNWIND flag, if forced unwinding.
4037         Use appropriate phase2 unwinder.
4038         (__gnu_Unwind_Resume_or_Rethrow): New.
4039         (__gnu_unwind_pr_common): Cope with forced unwinding.
4040
4041 2005-11-16  David Edelsohn  <edelsohn@gnu.org>
4042
4043         PR target/24772
4044         * config/rs6000/predicates.md (vrsave_operation): SET_SRC is a VEC.
4045
4046         * config/rs6000/rs6000.md (btruncsf2, ceilsf2, floorsf2,
4047         roundsf2): Remove "s" from mnemonic.
4048
4049 2005-11-16  Bernd Schmidt  <bernd.schmidt@analog.com>
4050
4051         * config/bfin/crti.s (__init, __fini): Use appropriate prologue if
4052         __PIC__ is defined.
4053         * config/bfin/crtn.s: Change epilogues to match.
4054         * config/bfin/t-bfin-elf (EXTRA_MULTILIB_PARTS): Define.
4055         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If flag_pic, define
4056         __PIC__ and __pic__.
4057
4058 2005-11-16  Tobias Schl"uter  <tobias.schlueter@physik.uni-muenchen.de>
4059
4060         PR 24357
4061         * doc/invoke.texi: Distinguish between free and fixed form instead of
4062         Fortran and Fortran 90/95.  Remove ratfor from the list of supported
4063         languages.
4064         * gcc.c (default_compilers): Remove double entries, add entries for
4065         suffixes '.F90' and '.F95'.
4066
4067 2005-11-16  Eric Botcazou <ebotcazou@adacore.com>
4068
4069         * config/alpha/alpha.c (alpha_expand_prologue): Fix off-by-one bug
4070         in the stack probing loop.
4071
4072 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
4073
4074         * configure.ac: Use .machine power5 not power5x.
4075         * configure: Regenerate.
4076
4077 2005-11-15  Mike Stump  <mrs@apple.com>
4078
4079         * c-decl.c (lookup_name_two): Add.
4080         * c-tree.h (lookup_name_two): Likewise.
4081         * c-common.c (handle_cleanup_attribute): Use lookup_name_two instead.
4082         * config/darwin-c.c (darwin_pragma_unused): Likewise.
4083
4084 2005-11-16  Alan Modra  <amodra@bigpond.net.au>
4085
4086         PR rtl-optimization/23392
4087         * regrename.c (enum scan_actions) Add mark_access.
4088         (scan_actions_name): Ditto.
4089         (scan_rtx_reg): Handle mark_access.
4090         (scan_rtx_address): Do nothing for mark_access.
4091         (build_def_use): Mark source registers in REG_FRAME_RELATED_EXPR
4092         and regs in REG_INC notes before closing chains for dead regs.
4093         Mark destination regs in REG_FRAME_RELATED_EXPR notes after
4094         opening chains for new writes.
4095
4096 2005-11-15  David Edelsohn  <edelsohn@gnu.org>
4097
4098         * c.opt (ffixed-line-length-none): New.
4099
4100 2005-11-15  Steve Ellcey  <sje@cup.hp.com>
4101
4102         * mklibgcc.in: Change contents of eh_dummy.c.
4103
4104 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
4105
4106         * loop.c (scan_loop): Do not insert temporaries for hard registers.
4107
4108 2005-11-15  Daniel Jacobowitz  <dan@codesourcery.com>
4109
4110         * config/arm/lib1funcs.asm (div0) [L_dvmd_lnx]: Call raise instead
4111         of making syscalls.
4112         * config/arm/linux-eabi.h (CLEAR_INSN_CACHE): Define.  Set r7 also.
4113
4114 2005-11-15  Jan Hubicka  <jh@suse.cz>
4115
4116         * invoke.texi (large-unit-insns): Document.
4117         * ipa-inline.c (cgraph_decide_inlining): Use large-unit-insns param.
4118         * params.def (large-unit-insns): New param.
4119
4120 2005-11-15  Hans-Peter Nilsson  <hp@axis.com>
4121
4122         PR target/24869
4123         * config/cris/cris.md ("*mov_sidesisf_mem"): Do not match
4124         special register for operand 3.  Reindent constraints to align
4125         them vertically.
4126
4127 2005-11-14  David Edelsohn  <edelsohn@gnu.org>
4128
4129         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mmfcrf,
4130         -mpopcntb, -mfprnd. Add -mcpu=power5+.
4131         * configure.ac: Add test for FP rounding instructions.
4132         * configure: Regenerate.
4133         * config.in: Regenerate.
4134         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4135         _ARCH_PPCSQ, _ARCH_PPCGR, _ARCH_PWR4, _ARCH_PWR5, _ARCH_PWR5X if
4136         features enabled.
4137         * config/rs6000/rs6000.opt (mfprnd): New.
4138         * config/rs6000/rs6000.c (processor_target_table): Add power5+.
4139         (POWERPC_MASKS): Add MASK_POPCNTB and MASK_FPRND.
4140         * config/rs6000/aix52.h (ASM_CPU_SPEC): Add -mpower5+.
4141         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add -mpower5+.
4142         (TARGET_FPRND): New.
4143         * config/rs6000/rs6000.md (UNSPEC_FRIM, UNSPEC_FRIN, UNSPEC_FRIP,
4144         UNSPEC_FRIZ): New.
4145         (btrunc<mode>2): New.
4146         (ceil<mode>2): New.
4147         (floor<mode>2): New.
4148         (round<mode>2): New.
4149
4150 2005-11-14  Geoffrey Keating  <geoffk@apple.com>
4151
4152         * gcc.c (version_compare_spec_function): Use fatal() rather than
4153         abort().
4154
4155         * config/rs6000/darwin.h (DARWIN_CRT2_SPEC): New.
4156         (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2).
4157         * config/i386/darwin.h (SUBTARGET_EXTRA_SPECS): Define %(darwin_crt2)
4158         as empty.
4159         * config/darwin.h (STARTFILE_SPEC): Use %(darwin_crt2) to possibly
4160         link in crt2.o.
4161
4162         * config/darwin.h (REAL_LIBGCC_SPEC): Link in shared libgcc depending
4163         on -mmacosx-version-min setting.
4164
4165 2005-11-14  Diego Novillo  <dnovillo@redhat.com>
4166
4167         PR 24840
4168         * tree-vrp.c (infer_value_range): Return false if STMT is a
4169         block terminator and its basic block has no successors.
4170
4171 2005-11-14  Mike Stump  <mrs@apple.com>
4172
4173         * config/i386/i386.c (override_options): -masm=intel isn't
4174         supported on darwin.
4175         * doc/invoke.texi (i386 and x86-64 Options): Likewise.
4176
4177 2005-11-15  Joseph S. Myers  <joseph@codesourcery.com>
4178
4179         * crtstuff.c: Undefine gid_t, pid_t, rlim_t, ssize_t, uid_t and
4180         vfork after including auto-host.h.
4181
4182 2005-11-15  Alan Modra  <amodra@bigpond.net.au>
4183
4184         PR rtl-optimization/22002
4185         * combine.c (distribute_notes): Detect cases where a reg dies
4186         two or more times in a bb, including on the insn we are combining,
4187         and place the death note on the correct range.
4188
4189 2005-11-14  Dale Johannesen  <dalej@apple.com>
4190
4191         * expmed.c (store_bit_field):  Add offset unconditionally for
4192         memory targets.
4193         (extract_bit_field):  Don't force extzv or extv operand into
4194         a register if field is too big.
4195
4196 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
4197
4198         * config/arm/arm.c (pic_labelno): New.
4199         (arm_load_pic_register): Use an UNSPEC_PIC_LABEL instead of a
4200         LABEL_REF.  Pass only the labelno to PIC insns.
4201         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4202         (arm_output_addr_const_extra): Handle UNSPEC_PIC_LABEL.
4203         * arm.md (UNSPEC_PIC_LABEL): New constant.
4204         (pic_add_dot_plus_four, pic_add_dot_plus_eight)
4205         (tls_load_dot_plus_eight): Expect a labelno instead of a LABEL_REF.
4206         Use the correct label prefix.
4207
4208 2005-11-14  Daniel Jacobowitz  <dan@codesourcery.com>
4209
4210         * config/arm/arm.c (legitimize_tls_address): Use correct rtx for
4211         REQ_EQUIV note.
4212
4213 2005-11-14  Richard Earnshaw  <richard.earnshaw@arm.com>
4214
4215         * loop-invariant.c: Include tm_p.h.
4216         * Makefile.in: Updated.
4217
4218 2005-11-13  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4219
4220         * pa.c (store_reg): Revise generation of frame notes in large frames.
4221         (set_reg_plus_d): Likewise.
4222
4223 2005-11-13  Andrew MacLeod  <amacleod@redhat.com>
4224
4225         PR tree-optimization/24709
4226         * tree-ssa-operands.c (verify_imm_links): Increase limit for infinite
4227         loop check.
4228
4229 2005-11-13  Eric Botcazou  <ebotcazou@libertysurf.fr>
4230
4231         * gthr-posix95.h: Remove declaration of pthread_mutexattr_settype
4232         and duplicate declaration of pthread_self.
4233
4234 2005-11-13  Eric Botcazou  <ebotcazou@adacore.com>
4235             Ian Lance Taylor  <ian@airs.com>
4236
4237         PR middle-end/24003
4238         * calls.c (expand_call): If TARGET is a MEM and some part of the
4239         argument area has been saved, force TARGET to a register.
4240
4241 2005-11-13  Razya Ladelsky <razya@il.ibm.com>
4242
4243         * ipa-prop.c (ipa_callsite_compute_param ): Removed obsolete type
4244         checking.
4245
4246 2005-11-13  Jason Merrill  <jason@redhat.com>
4247
4248         PR c++/22489
4249         * dwarf2out.c (gen_subprogram_die): Force a declaration die for
4250         lazily declared methods.
4251         (force_decl_die): Stop if forcing out the context already make a
4252         DIE for the decl.
4253         (force_type_die): Likewise.
4254
4255 2005-11-13  Andrew Pinski  <pinskia@physics.uc.edu>
4256
4257         PR middle-end/24820
4258         * builtins.c (integer_valued_real_p): Add break in
4259         REAL_CST having TREE_OVERFLOW set.
4260
4261 2005-11-13  Zdenek Dvorak  <dvorakz@suse.cz>
4262
4263         * tree-ssa-loop-ivopts.c (get_address_cost): Prevent splitting
4264         addressing modes during calculation of costs.
4265
4266 2005-11-12  Eric Botcazou  <ebotcazou@adacore.com>
4267
4268         * function.c (assign_stack_local_1): Restrict sanity check
4269         on frame size overflow to 32-bit and above platforms.
4270
4271 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4272
4273         * config/cris/cris.h (LEGITIMIZE_RELOAD_ADDRESS): Define.
4274         * config/cris/cris.c: Include reload.h.
4275         (cris_initial_elimination_offset): New function.
4276         * config/cris/cris-protos.h: (cris_initial_elimination_offset):
4277         Prototype.
4278
4279 2005-11-12  Richard Guenther  <rguenther@suse.de>
4280
4281         * gcse.c (find_rtx_in_ldst): Handle NULL pre_ldst_table.
4282
4283 2005-11-12  Jan Hubicka  <jh@suse.cz>
4284
4285         * expr.c (expand_expr_real_1): <MAX_EXPR, MIN_EXPR>: Canonicalize
4286         to compare against 0 when possible.
4287
4288 2005-11-12  Jie Zhang  <jie.zhang@analog.com>
4289
4290         * config/bfin/bfin.h (REGISTER_NAMES, SHORT_REGISTER_NAMES,
4291         HIGH_REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4292         REG_ALLOC_ORDER, enum reg_class): Rearrange I/B/L registers.
4293         * config/bfin/bfin.md: Redefine REG_ constants for I/B/L registers
4294         in the new order.
4295
4296 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4297
4298         * recog.c (constrain_operands) <case 'g'>: For a match, require
4299         that a non-register matches general_operand when strict >= 0.
4300
4301 2005-11-11  Steven Bosscher  <stevenb@suse.de>
4302
4303         * loop-invariant.c (move_loop_invariants): Fix a thinko in the
4304         previous checkin.
4305
4306 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
4307
4308         * tree-ssa-dse.c (struct address_walk_data, memory_ssa_name_same)
4309         (memory_address_same): New.
4310         (dse_optimize_stmt): Call memory_address_same.
4311
4312 2005-11-12  Hans-Peter Nilsson  <hp@axis.com>
4313
4314         PR middle-end/24750
4315         * reload.c (find_reloads_address_1) <case TRUNCATE, SIGN_EXTEND,
4316         ZERO_EXTEND>: New cases.
4317
4318 2005-11-11  Daniel Jacobowitz  <dan@codesourcery.com>
4319
4320         * longlong.h (__clz_tab): Always provide.
4321
4322 2005-11-11  Steven Bosscher  <stevenb@suse.de>
4323
4324         PR 24265
4325         * loop-invariant.c (may_assign_reg_p): Make sure a hard register
4326         can be assigned to.
4327         (find_invariant_insn): Do the cheapest check, may_assign_reg_p,
4328         before check_maybe_invariant.
4329         (move_invariant_reg): Use gen_move_insn instead of replacing
4330         SET_DEST with the temporary for the invariant.
4331         (move_loop_invariants): If checking is enabled, do internal
4332         consistency checks after completing the pass.
4333
4334 2005-11-11  David Edelsohn  <edelsohn@gnu.org>
4335
4336         PR 24644
4337         * common.opt (Wvolatile-register-var): New.
4338         * varasm.c (make_decl_rtl): Only emit warning when option
4339         specified.  Clarify warning message.
4340         * doc/invoke.texi (Wvolatile-register-var): Document new option.
4341
4342         * doc/md.texi (copysign): Document standard named pattern.
4343
4344 2005-11-11  Jie Zhang  <jie.zhang@analog.com>
4345
4346         * config/bfin/bfin.c (bfin_expand_strmov): Correctly move the trailing
4347         bytes when align is 2.
4348         * config/bfin/bfin.md (rep_movsi, rep_movhi): Make LSETUP be followed
4349         by the first instruction of the loop.
4350
4351 2005-11-11  Jason Merrill  <jason@redhat.com>
4352
4353         PR c++/24686
4354         * gimplify.c (gimplify_cleanup_point_expr): Also save and restore
4355         the cleanup list.
4356
4357 2005-11-11  Zdenek Dvorak  <dvorakz@suse.cz>
4358
4359         PR rtl-optimization/22509
4360         * local-alloc.c (memref_used_between_p): Check whether a function call
4361         could not reference the memref.
4362
4363 2005-11-11  Ulrich Weigand  <uweigand@de.ibm.com>
4364
4365         * postreload.c (reload_cse_simplify_operands): Fix bug in sorting
4366         algorithm so as to choose the best, not the worst, alternative.
4367         Reset accumulated register class before processing next alternative.
4368
4369 2005-11-11  Kaz Kojima  <kkojima@gcc.gnu.org>
4370
4371         PR target/24445
4372         * calls.c (expand_call): Copy a return value to a plain register
4373         if needed.
4374
4375 2005-11-10  Alexandre Oliva  <aoliva@redhat.com>
4376
4377         PR target/24778
4378         * varasm.c (assemble_name): Recompute name only for transparent
4379         aliases.
4380
4381 2005-11-10  Hans-Peter Nilsson  <hp@axis.com>
4382
4383         * tree-ssa-structalias.c (heapvar_lookup): Fix typo: stmt to from.
4384
4385 2005-11-04  Jeff Law  <law@redhat.com>
4386
4387         PR middle-end/23181
4388         * tree-ssa-dom.c (simplify_rhs_and_lookup_avail_expr): Do not
4389         perform reassociation if the parent statement will not die as
4390         a result of the optimization.
4391
4392 2005-11-10  Daniel Berlin  <dberlin@dberlin.org>
4393
4394         * tree-ssa-alias.c (compute_may_aliases): Remove call to
4395         delete_old_heap_vars.
4396         * tree-dfa.c (referenced_var_remove): Remove function.
4397         * tree-ssa.c (init_tree_ssa): Call init_alias_heapvars.
4398         (delete_tree_ssa): Remove call to delete_old_heapvars.
4399         Add call to delete_alias_heapvars.
4400         * tree-flow.h (referenced_var_remove): Remove prototype
4401         (init_alias_heapvars): New prototype.
4402         (delete_alias_heapvars): Ditto.
4403         * Makefile.in (tree-ssa-structalias.o): Add
4404         gt-tree-ssa-structalias.o
4405         (GTFILES): Add tree-ssa-structalias.h and
4406         tree-ssa-structalias.c.
4407         (s-gtype): Add gt-tree-ssa-structalias.h.
4408         * tree-ssa-structalias.c (heapvars): Remove.
4409         (oldheapvars): Remove.
4410         (heapvar_for_stmt): New variable.
4411         (heapvar_lookup): New function.
4412         (heapvar_insert): Ditto.
4413         (get_constraint_for): See if we have an old heapvar
4414         to reuse.
4415         (init_alias_heapvars): New function.
4416         (delete_alias_heapvars): Ditto.
4417         Add include of gt-tree-ssa-structalias.h.
4418
4419 2005-11-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
4420
4421         PR middle-end/22127
4422         * calls.c (special_function_p): Set ECF_RETURNS_TWICE for getcontext.
4423
4424 2005-11-10  Eric Botcazou  <ebotcazou@adacore.com>
4425
4426         * tree.c (int_fits_type_p): Only look at the base type
4427         if it has the same precision as the original type.
4428
4429 2005-11-10  Jakub Jelinek  <jakub@redhat.com>
4430
4431         PR other/4372
4432         * varasm.c (assemble_alias): Use %q+D in the error
4433         message instead of %J and %qD.
4434
4435 2005-11-10  Richard Guenther  <rguenther@suse.de>
4436
4437         * gcse.c (free_ldst_entry): Only free hashtable if
4438         it exists.
4439
4440 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4441
4442         * function.c (assign_stack_local_1): Issue an error message if
4443         the frame size overflows in the signed target arithmetics.
4444
4445 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4446
4447         * tree.c (build_qualified_type): Chain the new type to the original
4448         type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
4449         a POINTER_TYPE or a REFERENCE_TYPE respectively.
4450         (build_pointer_type_for_mode): Only return unqualified types.
4451         (build_reference_type_for_mode): Likewise.
4452
4453 2005-11-09  Jakub Jelinek  <jakub@redhat.com>
4454
4455         * Makefile.in (gnucompare): Do comparison of all files using one of
4456         the chosen methods and only afterwards decide if just warning should
4457         be issued or comparison failure raised.
4458
4459 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4460
4461         * ifcvt.c (noce_get_alt_condition): Use prev_nonnote_insn.
4462         (noce_try_abs): Negate if the comparison is reversed.
4463         Look only one instruction backwards for a REG_EQUAL note.
4464
4465 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4466
4467         PR other/4372
4468         * gthr-dce.h, gthr-posix.h, gthr-posix95.h, gthr-solaris.h,
4469         gthr-tpf.h: Define __gthrw.  For all identifiers that might
4470         be weak, introduce weakrefs or non-weak aliases with __gthrw,
4471         and prefix all uses with __ghtrw.
4472
4473 2005-11-09  Alexandre Oliva  <aoliva@redhat.com>
4474
4475         PR other/4372
4476         * tree.h (IDENTIFIER_TRANSPARENT_ALIAS): New.
4477         (TREE_DEPRECATED): Adjust comment.  Check for a DECL.
4478         * c-common.c (handle_weakref_attribute): New.
4479         (c_common_attribute_table): Add weakref.
4480         * configure.ac (HAVE_GAS_WEAKREF): Check for weakref support
4481         in the assembler.
4482         * configure, config.in: Rebuilt.
4483         * defaults.h (ASM_OUTPUT_WEAKREF): Define if HAVE_GAS_WEAKREF.
4484         * doc/extend.texi: Document weakref attribute.
4485         * varasm.c (ultimate_transparent_alias_target): New
4486         (assemble_name): Use it.
4487         (weak_finish_1): Split out of...
4488         (weak_finish): ... and deal with weakrefs in...
4489         (weakref_targets): ... new list.
4490         (globalize_decl): Clean up weakref_targets.
4491         (do_assemble_alias): Handle weakrefs.
4492         (finish_aliases_1): Do not reject weakrefs to external symbols.
4493         (assemble_alias): Handle weakrefs.
4494
4495 2005-11-09  Richard Guenther  <rguenther@suse.de>
4496
4497         PR tree-optimization/24716
4498         * tree-scalar-evolution.c (analyze_evolution_in_loop): Use
4499         t_bool to track results from follow_ssa_edge.
4500
4501 2005-11-09  Eric Botcazou  <ebotcazou@adacore.com>
4502
4503         * final.c (force_source_line): New global variable.
4504         (final_scan_insn): Set it to true instead of clearing last_filename.
4505         (notice_source_line): Return true if force_source_line is true,
4506         unless source info is absent.
4507
4508 2005-11-09  Andrew Pinski  <pinskia@physics.uc.edu>
4509
4510         PR c/24644
4511         * dwarf2-out.c (add_name_and_src_coords_attributes): Don't add
4512         a linkage name for a variable if it a register variable.
4513         * c-decl.c (grokdeclarator): Global register variables
4514         should be set as PUBLIC.
4515
4516 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4517
4518         PR 24624
4519         * config/s390/s390.c (struct s390_frame_layout): New fields
4520         first_save_gpr_slot and last_save_gpr_slot.
4521         (cfun_grps_save_area_size, s390_frame_info, s390_emit_prologue,
4522         s390_emit_epilogue, s390_initial_elimination_offset): Replaced
4523         first_save_gpr and last_save_gpr with the _slot variants.
4524         (s390_register_info): Calculate first_save_gpr_slot and
4525         last_save_gpr_slot using regs_ever_live.
4526
4527 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4528
4529         PR 24623
4530         * config/s390/s390.c (s390_regs_ever_clobbered): Only save live eh regs
4531         for a function containing a landing pad.
4532
4533 2005-11-09  Andreas Krebbel  <krebbel1@de.ibm.com>
4534
4535         PR 24034
4536         * flow.c (mark_set_1): Handle CLOBBERs like SETs if the register
4537         is live afterwards.
4538
4539 2005-11-08  Bernd Schmidt  <bernd.schmidt@analog.com>
4540
4541         * config/bfin/t-bfin-elf (MULTILIB_OPTIONS, MULTILIB_DEFAULTS,
4542         MULTILIB_DIRNAMES, MULTILIB_EXCEPTIONS): New.
4543
4544 2005-11-09  Nathan Sidwell  <nathan@codesourcery.com>
4545
4546         Add ms2 support
4547         * config/ms1/ms1.md (UNSPEC_BLOCKAGE, UNSPEC_EI, UNSPEC_DI): New
4548         constants.
4549         (call,load,store): New insn types.
4550         (mem_access, branch_access): Adjust reservation conditions.
4551         (define_delay): Adjust condition.
4552         (decrement_and_branch_until_zero): Allow for ms2.  Set branch
4553         type.
4554         (*decrement_and_rbanch_until_zero_no_clobber): Allow for ms2.
4555         (*movqi_internal,*movsi_internal,*movsf_internal): Use load,store
4556         insn type.
4557         (call_internal, call_value_internal, return_internal,
4558         return_interrupt_internal, eh_return_internal, indirect_jump,
4559         tablejump): Set call insn type.
4560         (blockage, ei, di): Use appropriate unspec const.
4561         * config/ms1/ms1.c (ms1_flag_delayed_branch): New.
4562         (ms1_get_attr_type): Adjust to give load & store types.
4563         (ms1_final_prescan_insn): Adjust for new insn types.  Don't look
4564         backwards past a barrier.
4565         (ms1_override_options): Accept ms2 arch.  Copy and reset delayed
4566         branch scheduling.
4567         (struct branch_info, struct label_info): New.
4568         (ms1_labels): New.
4569         (ms1_add_branches, ms1_check_delay_slot, ms1_reorg_hazard): New.
4570         (ms1_machine_reorg): New.
4571         (TARGET_MACHINE_DEPENDENT_REORG): Override.
4572         * config/ms1/crtn.asm: Add nop for ms2 JAL hazard.
4573         * config/ms1/ms1.h (processor_type): Add PROCESSOR_MS2.
4574         (ASM_SPEC, LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Add ms2.
4575         (TARGET_MS2): New.
4576
4577 2005-11-09  Per Bothner  <per@bothner.com>
4578             Uros Bizjak  <uros@kss-loka.si>
4579
4580         PR c/24101
4581         * toplev.c (process_options): Initialize debug_hooks early
4582         in case lang_hooks.post_options ends up calling a debug_hook.
4583
4584 2005-11-08  Jakub Jelinek  <jakub@redhat.com>
4585
4586         * dwarf2out.c (multiple_reg_loc_descriptor): Don't assume
4587         DBX_REGISTER_NUMBER being contiguous.
4588
4589 2005-11-08  James A. Morrison  <phython@gcc.gnu.org>
4590             Diego Novillo  <dnovillo@redhat.com>
4591
4592         PR 23046
4593         * tree-vrp.c (register_edge_assert_for): Do not register
4594         always-false predicates.
4595
4596 2005-11-08  Devang Patel <dpatel@apple.com>
4597
4598         PR tree-optimization/23115
4599         * tree-if-conv.c (find_phi_replacement_condition): Check domninated_by
4600         relation.
4601
4602 2005-11-08  Joseph S. Myers  <joseph@codesourcery.com>
4603
4604         * config/rs6000/t-fprules (MULTILIB_MATCHES_FLOAT): Include
4605         -mcpu=440.
4606
4607 2005-11-08  Daniel Berlin  <dberlin@dberlin.org>
4608
4609         Fix PR tree-optimization/23382
4610
4611         * tree-ssa-alias.c (compute_may_aliases): Call
4612         delete_old_heap_vars.
4613         * tree-dfa.c (referenced_var_remove): New function.
4614         * tree-ssa.c (delete_tree_ssa): Call delete_old_heap_vars.
4615         * tree-flow.h (referenced_var_remove): Add prototype.
4616         (delete_old_heap_vars): Ditto.
4617         * tree-ssa-structalias.c (heapvars): New variable.
4618         (oldheapvars): Ditto.
4619         (get_constraint_for): Put heap vars on heapvars list.
4620         (delete_old_heap_vars): New function.
4621
4622 2005-11-08  Jason Merrill  <jason@redhat.com>
4623
4624         * tree.h (CALL_FROM_THUNK_P): Add CALL_EXPR_CHECK.
4625
4626 2005-11-08  Uros Bizjak  <uros@kss-loka.si>
4627
4628         PR target/19340
4629         * reg-stack.c (reg_to_stack): Update register liveness also
4630         for flag_sched2_use_traces.
4631
4632 2005-11-08  Alan Modra  <amodra@bigpond.net.au>
4633
4634         PR target/23704
4635         * config/rs6000/rs6000.c (rs6000_handle_option <OPT_m64>): Don't
4636         override prior explicit -mno-powerpc-gfxopt.
4637
4638 2005-11-07  Eric Botcazou  <ebotcazou@adacore.com>
4639
4640         * expmed.c (extract_bit_field): Do not use insv/extv/extzv patterns
4641         if the bitsize is zero.
4642         * doc/md.texi (Standard Pattern Names): Document it.
4643
4644         * config/ia64/ia64.c (ia64_pass_by_reference): Delete.
4645         (TARGET_PASS_BY_REFERENCE): Likewise.
4646
4647 2005-11-07  Ian Lance Taylor  <ian@airs.com>
4648
4649         PR rtl-optimization/24683
4650         * config/i386/i386.c (legitimize_pic_address): If constant operand
4651         to PLUS is too large, put it in a register.
4652
4653 2005-11-07  Jie Zhang  <jie.zhang@analog.com>
4654
4655         * configure.ac: Enable checking assembler dwarf2 support for bfin
4656         target.
4657         * configure: Regenerate.
4658
4659 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4660
4661         PR target/24230
4662
4663         * config/rs6000/rs6000.c (easy_vector_splat_const, easy_vector_same,
4664         gen_easy_vector_constant_add_self): Delete.
4665         (vspltis_constant, easy_altivec_constant, gen_easy_altivec_constant):
4666         New.
4667         (output_vec_const_move): Use gen_easy_altivec_constant.
4668         (rs6000_expand_vector_init): Do not emit a set of a VEC_DUPLICATE.
4669         * config/rs6000/predicates.md (easy_vector_constant): Reorganize tests.
4670         (easy_vector_constant_add_self): Rewritten.
4671         * config/rs6000/rs6000-protos.h (easy_vector_splat_const,
4672         easy_vector_same, gen_easy_vector_constant_add_self): Remove prototype.
4673         (easy_altivec_constant, gen_easy_altivec_constant): Add prototype.
4674         * config/rs6000/altivec.md (easy_vector_constant_add_self splitters):
4675         Macroize and adjust for the other changes.
4676
4677 2005-11-07  Paolo Bonzini  <bonzini@gnu.org>
4678
4679         PR c/24599
4680
4681         * c-typeck.c (build_c_cast): Try using a shared constant, and see
4682         if TREE_OVERFLOW or TREE_CONSTANT_OVERFLOW really changed.
4683
4684 2005-11-07  Jakub Jelinek  <jakub@redhat.com>
4685
4686         PR rtl-optimization/23567
4687         * ifcvt.c (noce_mem_write_may_trap_or_fault_p): New function.
4688         (noce_process_if_block): Don't do any optimizations except
4689         if (cond) x = x; if !set_b and write into orig_x may trap
4690         or fault.  Remove the MEM_READONLY_P check.
4691
4692 2005-11-06  Diego Novillo  <dnovillo@redhat.com>
4693
4694         PR 24670
4695         * tree-vrp.c (fix_equivalence_set): New.
4696         (extract_range_from_assert): Call it.
4697
4698 2005-11-05  Ian Lance Taylor  <ian@airs.com>
4699
4700         PR target/22432
4701         * combine.c (apply_distributive_law): Don't distribute across a
4702         vector mode subreg.
4703
4704 2005-11-05  Kazu Hirata  <kazu@codesourcery.com>
4705
4706         * c-typeck.c, config/i386/netware.h, config/m32c/cond.md,
4707         config/ms1/ms1.h, config/rs6000/predicates.md,
4708         config/s390/s390.c, params.def, postreload-gcse.c,
4709         tree-flow-inline.h, tree-ssa-operands.c, tree-vectorizer.c,
4710         tree-vrp.c, tree.c: Fix comment typos.
4711         * doc/invoke.texi: Fix typos.
4712
4713 2005-11-05  Sebastian Pop  <pop@cri.ensmp.fr>
4714
4715         * lambda-code.c (lambda_transform_legal_p): Use DDR_NUM_DIST_VECTS
4716         for testing whether the data_dependence_relation contains distance
4717         vectors.  Iterate over all distance vectors of the ddr.
4718         * lambda.h: Define a vec of lambda_vector pointers.
4719         * tree-data-ref.c (dump_data_dependence_relation,
4720         dump_data_dependence_direction): Iterate over all distance and
4721         direction vectors of the ddr.
4722         (initialize_data_dependence_relation): Initialize DDR_DIR_VECTS and
4723         DDR_DIST_VECTS.
4724         (build_classic_dist_vector, build_classic_dir_vector): Push a set
4725         of distance/direction vectors instead of a single one.
4726         * tree-data-ref.h (dir_vects, dist_vects): Replace dir/dist
4727         lambda_vectors with a vec of lambda_vectors.
4728         (DDR_DIR_VECT, DDR_DIST_VECT): Redefined as operations on vec.
4729         (DDR_DIR_VECTS, DDR_DIST_VECTS, DDR_NUM_DIR_VECTS,
4730         DDR_NUM_DIST_VECTS): New.
4731         * tree-loop-linear.c (gather_interchange_stats): Test for the
4732         existence of distance vectors only after having checked that there
4733         is a dependence.  Iterate over all distance vectors of the ddr.
4734         (linear_transform_loops): Use dump_data_dependence_relation.
4735         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Test for
4736         distance vectors using DDR_NUM_DIST_VECTS.  Iterate over all the
4737         distance vectors of the ddr.
4738
4739 2005-11-05  Bernd Schmidt  <bernd.schmidt@analog.com>
4740
4741         * config/bfin/bfin.c (n_dregs_to_save, n_pregs_to_save,
4742         expand_prologue_reg_save, expand_epilogue_reg_restore): New argument
4743         IS_INTHANDLER; all callers changed.
4744         (n_regs_saved_by_prologue): Take interrupt handler attributes into
4745         account.
4746         (do_link, do_unlink): New argument ALL; all callers changed.
4747         (expand_interrupt_handler_prologue, expand_interrupt_handler_epilogue):
4748         If function isn't leaf, save and restore all registers.
4749         (bfin_function_ok_for_sibcall): Only true if not an interrupt or
4750         exception handler.
4751
4752 2005-11-05  Jan Hubicka  <jh@suse.cz>
4753
4754         PR rtl-optimization/23490
4755         * doc/invoke.texi (max-predicted-iterations, max-cse-insns,
4756         max-flow-memory-location): Document.
4757         * flow.c: Include params.h
4758         (MAX_MEM_SET_LIST_LEN): Kill.
4759         (add_to_mem_set_list): Use new param.
4760         * cse.c (cse_basic_block): Replace 1000 by new param.
4761         * params.def (PARAM_MAX_PREDICTED_ITERATIONS, PARAM_MAX_CSE_INSNS,
4762         PARAM_MAX_FLOW_MEMORY_LOCATIONS): New.
4763         * predict.c (predict_loops): Use new param.
4764         * predict.def (MAX_PRED_LOOP_ITERATIONS): Remove.
4765
4766         * ipa-inline.c (cgraph_decide_inlining_of_small_function,
4767         cgraph_decide_inlining, cgraph_decide_inlining_incrementally):
4768         Do not hold memory returned by cgraph_node_name across other call.
4769
4770 2005-11-04  Hans-Peter Nilsson  <hp@axis.com>
4771
4772         PR target/23424
4773         * config/cris/predicates.md ("cris_bdap_sign_extend_operand"):
4774         Disable.
4775
4776 2005-11-04  Jeff Law  <law@redhat.com>
4777
4778         PR/21883
4779         * doc/invoke.texi: Document max-jump-thread-duplication-stmts PARAM.
4780         * tree-ssa-dom.c: Include params.h.
4781         (thread_across_edge): If there are too many statements in the
4782         target block, then do not thread through it.
4783         * Makefile.in (tree-ssa-dom.o): Depend on $(PARAMS_H).
4784         * params.def (PARAM_MAX_JUMP_THREAD_DUPLICATION_STMTS): New PARAM.
4785
4786 2005-11-03  Diego Novillo  <dnovillo@redhat.com>
4787
4788         PR 24627
4789         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Use
4790         TODO_update_ssa instead of TODO_update_ssa_no_phi.
4791
4792 2005-11-04  Sebastian Pop  <pop@cri.ensmp.fr>
4793
4794         PR/18595
4795         * tree-scalar-evolution.c (instantiate_parameters_1,
4796         instantiate_parameters, resolve_mixers): Compute the size of an
4797         expression to be instantiated and give up the instantiation if the
4798         size exceeds PARAM_SCEV_MAX_EXPR_SIZE.
4799
4800 2005-11-04  Richard Guenther  <rguenther@suse.de>
4801
4802         * tree-flow.h (ref_contains_indirect_ref): Rename to
4803         array_ref_contains_indirect_ref.
4804         * tree-flow-inline.h (ref_contains_indirect_ref): Likewise.
4805         (array_ref_contains_indirect_ref): Make comment match the code
4806         and vice-versa.
4807         (ref_contains_array_ref): Likewise.
4808         * tree-ssa-structalias.c (find_func_aliases): Remove call to
4809         ref_contains_indirect_ref.
4810         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4811         Rename calls to ref_contains_indirect_ref.
4812
4813 2005-11-04 Paul Brook  <paul@codesourcery.com>
4814
4815         * config/arm/arm.c (arm_load_pic_register): Pass extra reg to
4816         gen_pic_add_dot_plus_four and gen_pic_add_dot_plus_eight.
4817         (arm_call_tls_get_addr, legitimize_tls_address): Likewise.
4818         * config/arm/arm.md: Use match_operand in peephole input templates
4819         and match_dup in peephole output templates.
4820
4821 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4822
4823         * config/arm/arm.c (arm_init_libfuncs): Use __aeabi_idiv and
4824         __aeabi_uidiv.
4825
4826 2005-11-04  Mark Mitchell  <mark@codesourcery.com>
4827             Daniel Jacobowitz  <dan@codesourcery.com>
4828
4829         * longlong.h (add_ssaaaa): Clobber condition code register
4830         in ARM version.
4831         (sub_ddmmss): Likewise.
4832         (umul_ppmm): Likewise.
4833
4834 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4835             Paul Brook  <paul@codesourcery.com>
4836             Phil Blundell  <pb@reciva.com>
4837
4838         * configure.ac: Add test for ARM TLS support.
4839         * configure: Regenerated.
4840         * config/arm/arm-protos.h (legitimize_tls_address)
4841         (arm_tls_referenced_p, tls_mentioned_p)
4842         (arm_output_addr_const_extra): New prototypes.
4843         (thumb_legitimize_pic_address): Delete.
4844         * config/arm/arm.c: Include "gt-arm.h".
4845         (enum tls_reloc): New.
4846         (arm_cannot_copy_insn_p, arm_tls_symbol_p, load_tls_operand)
4847         (pcrel_constant_p, get_tls_get_addr, arm_load_tp)
4848         (arm_call_tls_get_addr, legitimize_tls_address)
4849         (arm_tls_referenced_p, arm_tls_operand_p_1, tls_mentioned_p)
4850         (arm_init_tls_builtins, arm_emit_tls_decoration)
4851         (arm_output_addr_const_extra): New functions.
4852         (TARGET_CANNOT_COPY_INSN_P, TARGET_CANNOT_FORCE_CONST_MEM)
4853         (TARGET_HAVE_TLS): Define.
4854         (target_thread_pointer): New.
4855         (arm_override_options): Handle -mtp=.
4856         (legitimize_pic_address): Ignore UNSPECs.
4857         (arm_legitimate_address_p, thumb_legitimate_address_p): Handle PC
4858         relative symbols.
4859         (arm_legitimize_address, thumb_legitimize_address): Handle TLS.
4860         (tls_get_addr_libfunc): New variable.
4861         (symbol_mentioned_p, label_mentioned_p): Ignore UNSPEC_TLS.
4862         (arm_init_builtins): Call arm_init_tls_builtins.
4863         (arm_expand_builtin): Handle ARM_BUILTIN_THREAD_POINTER.
4864         (arm_encode_section_info): Call default_encode_section_info.
4865         * config/arm/arm.h (TARGET_HARD_TP, TARGET_SOFT_TP): Define.
4866         (enum arm_tp_type): New.
4867         (target_thread_pointer): Add declaration.
4868         (LEGITIMATE_CONSTANT_P): Handle TLS.
4869         (LEGITIMATE_PIC_OPERAND_P): Handle TLS.
4870         (OUTPUT_ADDR_CONST_EXTRA): Call arm_output_addr_const_extra.
4871         (enum arm_builtins): Add ARM_BUILTIN_THREAD_POINTER.
4872         * config/arm/arm.md: Add UNSPEC_TLS.
4873         (movsi): Handle TLS.
4874         (pic_add_dot_plus_four, pic_add_dot_plus_eight): Allow for
4875         non-PIC.
4876         (tls_load_dot_plus_eight): New insn and a peephole to create it.
4877         (load_tp_hard, load_tp_soft): New insns.
4878         * arm.opt: Add -mtp=.
4879         * doc/invoke.texi (ARM Options): Document -mtp.
4880
4881 2005-11-04  Daniel Jacobowitz  <dan@codesourcery.com>
4882
4883         * config/arm/lib1funcs.asm: Don't include "libunwind.S".
4884         * config/arm/libunwind.S: Include "lib1funcs.asm".
4885         * config/arm/t-bpabi (LIB1ASMFUNCS): Remove _unwind.
4886         (LIB2ADDEH): Add libunwind.S.
4887         (LIB2ADDEHDEP): Add lib1funcs.asm.
4888         * mklibgcc.in: Handle asm files in libgcc_eh.a.
4889
4890 2005-11-04  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
4891
4892         PR fortran/18452
4893         * gcc/c.opt: Add a -lang-fortran option.
4894         * gcc/c-opts.c: Add a lang_fortran flag.
4895         (c_common_init_options): Handling the -lang-fortran option.
4896         (c_common_handle_option): Add a case for Fortran options in
4897         preprocessing. Remove cases for -ffixed-form and
4898         -ffixed-line-length. Add a case for -lang-fortran.
4899
4900 2005-11-03  David Edelsohn  <edelsohn@gnu.org>
4901
4902         * config/rs6000/rs6000.c: Include params.h
4903         (optimization_options): Set max-grow-copy-bb-insns default to 16.
4904         (bdesc_2arg): Delete vpkuhss and vpkuwss.
4905         * config/rs6000/altivec.md (UNSPEC_VPKUHSS): Delete.
4906         (UNSPEC_VPKUWSS): Delete.
4907         (altivec_vpkuhss): Delete.
4908         (altivec_vpkuwss): Delete.
4909         * config/rs6000/rs6000.md (plus_eqsi): Remove optimize_size from
4910         final condition.
4911         (neg_eq0<mode>): Remove final condition.
4912         (neg_eq<mode>): Remove condition and split-condition.
4913
4914 2005-11-04  Alan Modra  <amodra@bigpond.net.au>
4915
4916         * config/rs6000/rs6000.c (output_toc): Make "offset" HOST_WIDE_INT.
4917         Use associated print macros.
4918
4919 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4920
4921         PR c++/17964
4922         * diagnostic.c (diagnostic_set_info_translated): New function.
4923         (diagnostic_set_info): Use it.  Add comment.
4924         * diagnostic.h (diagnostic_set_info_translated): Declare.
4925
4926 2005-11-03  Eric Botcazou  <ebotcazou@adacore.com>
4927
4928         * dwarf2asm.c (dw2_force_const_mem): Add new parameter 'public'.
4929         On USE_LINKONCE_INDIRECT platforms, build a DECL_ONE_ONLY indirect
4930         reference only if 'public' is true.
4931         (dw2_output_indirect_constant_1): On USE_LINKONCE_INDIRECT platforms,
4932         emit the .hidden directive only if the indirect reference is public.
4933         (dw2_asm_output_encoded_addr_rtx): Add new parameter 'public'.
4934         Pass it to dw2_force_const_mem.
4935         * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): New param 'public'.
4936         * dwarf2out.c (output_cfi): Adjust calls to above function.
4937         (output_call_frame_info): Likewise.
4938         * except.c (output_ttype): Pass TREE_PUBLIC of the type_info object
4939         as 'public' argument to dw2_asm_output_encoded_addr_rtx.
4940
4941 2005-11-03  Zdenek Dvorak  <dvorakz@suse.cz>
4942
4943         PR tree-optimization/24483
4944         * tree-ssa-loop-ivopts.c (aff_combination_add_elt): Move rest
4945         field to elts if possible.
4946
4947 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4948
4949         PR middle-end/23155
4950         * gimplifier.c (gimplify_expr): Create a temporary for lvalue
4951         CONSTRUCTOR.
4952
4953 2005-11-03  Daniel Berlin  <dberlin@dberlin.org>
4954
4955         Fix PR tree-optimization/24351
4956
4957         * tree-ssa-structalias.c (struct variable_info): Add
4958         collapsed_into.
4959         (get_varinfo_fc): New function to follow collapsing.
4960         (new_var_info): Set collapsed_to to NULL.
4961         (dump_constraint): Follow collapsing.
4962         (build_constraint_graph): Handle collapsing.
4963         (do_simple_structure_copy): Return false if something bad
4964         happened.
4965         (collapse_rest_of_var): New function.
4966         (do_structure_copy): Collapse if do_simple_structure_copy returns
4967         false.
4968
4969 2005-11-03  Andrew Pinski  <pinskia@physics.uc.edu>
4970
4971         PR middle-end/24589
4972         * gimplify.c (gimplify_expr) <case CONSTRUCTOR>: Add the
4973         expressions to a statement list instead of gimplifying them.
4974
4975 2005-11-03  Eric Botcazou  <ebotcazou@libertysurf.fr>
4976
4977         PR rtl-optimization/23585
4978         * rtlanal.c (rtx_addr_can_trap_p_1) <PLUS>: Return 0 for an address
4979         that can't trap plus a constant integer, if the mode has zero size.
4980
4981 2005-11-03  Ulrich Weigand  <uweigand@de.ibm.com>
4982
4983         PR target/24620
4984         * config/s390/s390.md ("*insv<mode>_reg_imm"): Accept any CONST_INT
4985         as operand 2.
4986         ("*insv<mode>_reg_extimm"): Likewise.
4987
4988 2005-11-03  Joseph S. Myers  <joseph@codesourcery.com>
4989
4990         PR c/24329
4991         * c-pretty-print.c (pp_c_type_specifier): Do not recurse if
4992         c_common_type_for_mode returns an unnamed type.
4993
4994 2005-11-02  Richard Henderson  <rth@redhat.com>
4995
4996         PR target/9350
4997         PR target/24374
4998         * dwarf2out.c (dwarf2out_reg_save_reg): New.
4999         (dwarf2out_frame_debug_expr): Return after dwarf_handle_frame_unspec.
5000         * function.c (assign_parms): Use calls.internal_arg_pointer.
5001         (expand_main_function): Remove FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN
5002         code.
5003         * target-def.h (TARGET_INTERNAL_ARG_POINTER): New.
5004         (TARGET_CALLS): Add it.
5005         * target.h (struct gcc_target): Add calls.internal_arg_pointer.
5006         * targhooks.c (default_internal_arg_pointer): New.
5007         * targhooks.h (default_internal_arg_pointer): Declare.
5008         * tree.h (dwarf2out_reg_save_reg): Declare.
5009         * doc/tm.texi (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): Remove.
5010         * config/i386/i386.c (dbx_register_map): Add return column.
5011         (dbx64_register_map, svr4_dbx_register_map): Likewise.
5012         (TARGET_INTERNAL_ARG_POINTER, ix86_internal_arg_pointer): New.
5013         (TARGET_DWARF_HANDLE_FRAME_UNSPEC, ix86_dwarf_handle_frame_unspec): New.
5014         (ix86_function_ok_for_sibcall): Disable if force_align_arg_pointer.
5015         (ix86_save_reg): Save force_align_arg_pointer.
5016         (ix86_emit_save_regs): Make regno unsigned.
5017         (ix86_emit_save_regs_using_mov): Likewise.
5018         (ix86_expand_prologue): Handle force_align_arg_pointer.
5019         (ix86_expand_epilogue): Likewise.
5020         * config/i386/i386.h: (dbx_register_map): Update.
5021         (dbx64_register_map, svr4_dbx_register_map): Update.
5022         (struct machine_function): Add force_align_arg_pointer.
5023         * config/i386/i386.md (UNSPEC_REG_SAVE, UNSPEC_DEF_CFA): New.
5024         (UNSPEC_TP, UNSPEC_TLS_GD, UNSPEC_TLS_LD_BASE): Renumber.
5025         (TARGET_PUSH_MEMORY peepholes): Disable if RTX_FRAME_RELATED_P.
5026
5027 2005-11-02  Jan Hubicka  <jh@suse.cz>
5028
5029         PR target/23303
5030         * i386.md: Add peep2 for simplyfing array accesses.
5031
5032 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
5033
5034         PR target/24615
5035         * config/s390/s390-protos.h (s390_decompose_shift_count): Declare.
5036         * config/s390/s390.c (s390_decompose_shift_count): New function.
5037         (s390_extra_constraint_str) ['Y']: Use s390_decompose_shift_count.
5038         (print_shift_count_operand): Use s390_decompose_shift_count.
5039         * config/s390/predicates.md ("setmem_operand", "shift_count_operand"):
5040         Use s390_decompose_shift_count.  Do not accept any non-base hard regs.
5041
5042 2005-11-02  Ulrich Weigand  <uweigand@de.ibm.com>
5043
5044         PR target/24600
5045         * loop.c (loop_givs_rescan): Use force_operand to expand
5046         complex GIVs.
5047
5048 2005-11-02  Andrew Pinski  <pinskia@physics.uc.edu>
5049
5050         PR 22429
5051         * fold-const.c (build_range_check): Use unsigned when signed
5052         overflow is undefined also.  If etype is subtype, make sure that
5053         the subtraction is in the supertype.
5054
5055 2005-11-02  Richard Henderson  <rth@redhat.com>
5056
5057         PR target/24178
5058         * config/alpha/alpha.c (get_aligned_mem): Honor alignment given
5059         by MEM_ALIGN.
5060
5061 2005-11-01  Richard Henderson  <rth@redhat.com>
5062
5063         PR 21518
5064         * loop.c (scan_loop): Do not propagate computations to a hard
5065         register destination with SMALL_REGISTER_CLASSES.
5066
5067 2005-11-01  Joseph S. Myers  <joseph@codesourcery.com>
5068
5069         * config/rs6000/rs6000.c (rs6000_rtx_costs): Do not add extra
5070         costs for MULT inside PLUS or MINUS.
5071
5072 2005-11-01  Bob Wilson  <bob.wilson@acm.org>
5073
5074         * config/xtensa/xtensa.h (TRAMPOLINE_TEMPLATE): Add a byte of padding.
5075         (TRAMPOLINE_SIZE): Round up to 60.
5076         * config/xtensa/lib2funcs.S (TRAMPOLINE_SIZE): Likewise.
5077
5078 2005-10-31  James E. Wilson  <wilson@specifix.com>
5079
5080         PR debug/24444
5081         * dwarf2out.c (convert_cfa_to_loc_list): Put inside DWARF2_UNWIND_INFO
5082         ifdef.  Put ifdefs around call in gen_subprogram_die.
5083         (compute_frame_pointer_to_cfa_displacement): Likewise.
5084         (gen_subprogram_die): Restore old code for when DWARF2_UNWIND_INFO is
5085         not defined.
5086
5087         PR rtl-optimization/17356
5088         *  cfgrtl.c (purge_dead_edges): Undo last change.  In EDGE_EH code,
5089         add check for CALL_INSN if EDGE_ABRNOMAL_CALL true.
5090
5091 2005-10-31  Jan Hubicka  <jh@suse.cz>
5092
5093         PR middle-end/24093
5094         * cgraph.c (cgraph_clone_edge, cgraph_clone_node): Watch negative
5095
5096         PR target/20928
5097         * i386.c (legitimize_pic_address): Deal with large immediates.
5098
5099         PR profile/20815
5100         * coverage.c (coverage_checksum_string): Fix code to stip random seeds
5101         from symbol names while computing checkup.
5102
5103         PR profile/24487
5104         * predict.c (predict_loops): Do not estimate more than
5105         MAX_PRED_LOOP_ITERATIONS in PRED_LOOP_ITERATIONS heuristic.
5106         * predict.def (MAX_PRED_LOOP_ITERATIONS): Define.
5107
5108 2005-10-31  Andrew MacLeod  <amacleod@redhat.com>
5109
5110         PR tree-optimization/19097
5111         * tree-ssa-operands.c (correct_use_link): Don't look for modified stmts.
5112
5113 2005-10-31  J"orn Rennecke <joern.rennecke@st.com>
5114
5115         * optabs.c (expand_unop): Take TRULY_NOOP_TRUNCATION into account.
5116
5117 2005-10-31  Andrew Pinski  <pinskia@physics.uc.edu>
5118
5119         PR middle-end/23492
5120         * tree-inline.c (setup_one_parameter): If the init_stmt
5121         is NULL, don't insert the statement.
5122
5123 2005-10-30  Jan Hubicka  <jh@suse.cz>
5124
5125         PR tree-optimization/24172
5126         * tree-inline.c (copy_body_r): Unshare the substituted value first.
5127
5128 2005-10-30  Hans-Peter Nilsson  <hp@bitrange.com>
5129
5130         * config/mmix/mmix.c (mmix_intval): Correct handling of DFmode
5131         constants for hosts with long != 32 bits.
5132
5133 2005-10-28  Andreas Krebbel <krebbel1@de.ibm.com>
5134
5135         PR middle-end/24093
5136         * ipa-inline.c (craph_decide_recursive_inlining): Fix return value.
5137
5138 2005-10-28  Aldy Hernandez  <aldyh@redhat.com>
5139
5140         * config/ms1/ms1.h (TARGET_MS1_64_001): New.
5141         (TARGET_MS1_16_002): New.
5142         (TARGET_MS1_16_003): New.
5143
5144         * config/ms1/ms1.md ("decrement_and_branch_until_zero"): Rewrite.
5145         ("*decrement_and_branch_until_zero_no_clobber"): New.
5146         Add corresponding splitter for decrement_and_branch_until_zero
5147         instruction.
5148         Key all decrement_and_branch_until_zero patterns off of
5149         TARGET_MS1_16_003.
5150
5151 2005-10-28  Andrew Pinski  <pinskia@physics.uc.edu>
5152
5153         PR middle-end/24362
5154         * tree-complex.c (extract_component): Treat RESULT_DECL
5155         like the rest of the decls.
5156
5157 2005-10-25  Eric Botcazou  <ebotcazou@adacore.com>
5158
5159         * config/ia64/ia64.c (ia64_output_function_profiler): Emit an
5160         indirect call to _mcount if the function needs a static chain.
5161
5162 2005-10-25  Eric Botcazou  <ebotcazou@libertysurf.fr>
5163             Caroline Tice  <ctice@apple.com>
5164
5165         PR rtl-optimization/24460
5166         * dwarf2out.c (have_switched_text_sections): New boolean variable.
5167         (dwarf2out_switch_text_section): Set it to true instead of
5168         incrementing separate_line_info_table_in_use.
5169         (output_loc_list): Additionally test have_switched_text_sections.
5170         (output_ranges): Likewise.
5171         (dwarf2out_finish): Likewise.
5172         * varasm.c (assemble_start_function): Do not call
5173         insert_section_boundary_note.
5174         (assemble_end_function): If flag_reorder_blocks_and_partition,
5175         switch to the function's section before emitting the .size directive.
5176         * bb-reorder.c (insert_section_boundary_note): Staticify.
5177         (rest_of_handle_reorder_blocks): Call insert_section_boundary_note.
5178         * output.h (insert_section_boundary_note): Delete.
5179
5180 2005-10-24  Andrew Pinski  <pinskia@physics.uc.edu>
5181
5182         PR c/23103
5183         * c-format.c (check_format_types): Use lang_hooks.types_compatible_p
5184         instead of pointer equality when comparing types.
5185
5186 2005-10-24  James E. Wilson  <wilson@specifix.com>
5187
5188         * sched-deps.c (flush_pending_lists): Pass 1 not 0 in first two
5189         add_dependence_list_and_free calls.
5190
5191 2005-10-24  Steven Bosscher  <stevenb@suse.de>
5192
5193         * contrib.texi: Add the names of the LLNL folks who donated
5194         Cray pointer support for gfortran.
5195
5196 2005-10-24  Steven Bosscher  <stevenb@suse.de>
5197
5198         PR tree-optimization/24225
5199         * profile.c (branch_prob): Look from end to start through a
5200         basic block when looking for a locus.
5201
5202 2005-10-24  Richard Henderson  <rth@redhat.com>
5203
5204         * pa.c (store_reg_modify): Set RTX_FRAME_RELATED_P on each set in
5205         parallel.
5206         (hppa_expand_prologue): Likewise.
5207
5208 2005-10-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5209
5210         * pa-linux.h (NO_PROFILE_COUNTERS): Delete define.
5211         (NO_DEFERRED_PROFILE_COUNTERS): Define.
5212         * pa.h (NO_PROFILE_COUNTERS): Define.
5213         * pa.c (NO_DEFERRED_PROFILE_COUNTERS): Define if not defined.
5214         (funcdef_nos): New vector to hold label numbers of deferred profile
5215         counters.
5216         (output_deferred_profile_counters): New function.
5217         (hppa_profile_hook): Push label number onto funcdef_nos.
5218         (pa_hpux_file_end): Call output_deferred_profile_counters if
5219         NO_DEFERRED_PROFILE_COUNTERS is false.
5220
5221         * pa-protos.h (get_deferred_plabel): New prototype.
5222         * pa.c (get_plabel): Rename to get_deferred_plabel.  Return plabel.
5223         Make global.
5224         (output_call): Adjust calls.
5225
5226 2005-10-24  Alan Modra  <amodra@bigpond.net.au>
5227
5228         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Explain
5229         peculiarity of GOT/TOC section usage.
5230
5231 2005-10-23  Andrew Pinski  <pinskia@physics.uc.edu>
5232
5233         PR objc/24435
5234          * c-common.c (constant_string_class_name): Add documentation.
5235
5236 2005-10-23  Kaz Kojima  <kkojima@gcc.gnu.org>
5237
5238         PR target/23832
5239         * recog.c (peephole2_optimize): Increment peep2_current_count
5240         only when the slot is empty.
5241
5242 2005-10-23  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5243
5244         PR ada/23957
5245         * except.c (output_function_exception_table): Call
5246         assemble_external_libcall if we need a personality function.
5247
5248 2005-10-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
5249
5250         PR rtl-optimization/24460
5251         * bb-reorder.c (fix_crossing_unconditional_branches): Do not
5252         set the basic block for barriers.
5253
5254 2005-10-21  Janis Johnson  <janis187@us.ibm.com>
5255
5256         * var-tracking.c (vt_initialize): Initialize post.
5257
5258 2005-10-21  Devang Patel  <dpatel@apple.com>
5259
5260         PR/24220
5261         * c-common.c (vector_types_convertible_p): Check vector element type.
5262
5263 2005-10-21  Kaz Kojima  <kkojima@gcc.gnu.org>
5264
5265         * config/sh/sh.c (prepare_move_operands): Handle the address
5266         constant which is a tls symbolic address plus a constant.
5267
5268 2005-10-21  Andrew Pinski  <pinskia@physics.uc.edu>
5269
5270         PR driver/24473
5271         * gcc.c (main): Use the correct counter for erroring out
5272         about mulitple files.
5273
5274 2005-10-21  Alan Modra  <amodra@bigpond.net.au>
5275
5276         PR target/24465
5277         * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Always
5278         use r2 for 64-bit tls .got access.
5279
5280 2005-10-21  Paolo Bonzini  <bonzini@gnu.org>
5281
5282         * dojump.c (do_jump): Handle side-effecting TRUTH_AND_EXPR and
5283         TRUTH_OR_EXPR.
5284
5285 2005-10-20  Steven Bosscher  <stevenb@suse.de>
5286
5287         PR tree-optimization/24307
5288         * tree-cfg.c (tree_find_edge_insert_loc): Handle naked RETURN_EXPR.
5289
5290 2005-10-20  Alexandre Oliva  <aoliva@redhat.com>
5291
5292         PR middle-end/24295
5293         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Mark
5294         alias targets.
5295         * varasm.c (find_decl_and_mark_needed): After cgraph global info
5296         is ready, stop marking functions, but still mark variables.
5297
5298 2005-10-20  Richard Guenther  <rguenther@suse.de>
5299
5300         PR c++/24439
5301         * fold-const.c (invert_truthvalue): Handle COND_EXPR with
5302         void type operands.
5303
5304 2005-10-20  Eric Botcazou  <ebotcazou@libertysurf.fr>
5305
5306         PR rtl-optimization/23585
5307         * rtlanal.c (rtx_addr_can_trap_p_1): New predicate extracted from...
5308         (rtx_addr_can_trap_p): ... here.  Invoke rtx_addr_can_trap_p_1.
5309         (may_trap_p_1): New predicate extracted from...
5310         (may_trap_p): ... here.  Invoke may_trap_p_1.
5311         (may_trap_or_fault_p): New predicate.
5312         * rtl.h (may_trap_or_fault_p): Declare it.
5313         * reorg.c (steal_delay_list_from_target): Use may_trap_or_fault_p
5314         instead of may_trap_p.
5315         (steal_delay_list_from_fallthrough): Likewise.
5316         (fill_simple_delay_slots): Likewise.
5317         (fill_slots_from_thread): Likewise.
5318         * function.c (pad_to_arg_alignment): Rework comment about
5319         SPARC_STACK_BOUNDARY_HACK.
5320         * config/sparc/sparc.h: Likewise.
5321
5322 2005-10-19  Adrian Straetling  <straetling@de.ibm.com>
5323
5324         * config/s390/s390.c (s390_expand_insv): New.
5325         * config/s390/s390-protos.h (s390_expand_insv): Declare.
5326         * config/s390/s390.md ("UNSPEC_SETHIGH"): Rename to "UNSPEC_ICM".
5327         ("icm_hi"): Remove mode attribute.
5328         ("*sethigh<mode><mode>"): Rewrite to "sethighpart<mode>".
5329         Adjust all uses.
5330         ("*extracthi", "*extractqi"): Remove.
5331         (extv<mode>", "*extzv<mode>"): New.
5332         ("insv", "*insv<mode>_mem_reg", "*insvdi_mem_reghigh",
5333         "*insv<mode>_reg_imm", "*insv<mode>_reg_extimm"): New.
5334
5335 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5336
5337         * cfgexpand.c (discover_nonconstant_array_refs_r,
5338         discover_nonconstant_array_refs): Move here from tree-outof-ssa.c
5339         (tree_expand_cfg): Call discover_nonconstant_array_refs.
5340         * tree-outof-ssa.c (rewrite_out_of_ssa): Remove call to
5341         discover_nonconstant_array_refs.
5342
5343 2005-10-19  Steven Bosscher  <stevenb@suse.de>
5344
5345         PR c/23228
5346         * c-decl.c (pop_scope): Don't warn about an unused variable
5347         if it is marked with TREE_NO_WARNING.
5348         (duplicate_decls): Set TREE_NO_WARNING if olddecl and newdecl
5349         somenow mismatch and olddecl is to be replaced.
5350
5351 2005-10-19  Eric Botcazou  <ebotcazou@libertysurf.fr>
5352
5353         PR middle-end/23199
5354         * cfgrtl.c (safe_insert_insn_on_edge): Use can_copy_p to detect
5355         whether registers live on the edge can be saved/restored.
5356
5357 2005-10-19  Kaz Kojima  <kkojima@gcc.gnu.org>
5358
5359         * config/sh/sh.c (fixup_mova): Skip notes.
5360
5361 2005-10-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
5362
5363         * config/s390/s390-protos.h (s390_hard_regno_rename_ok): Add prototype.
5364         * config/s390/s390.c (s390_hard_regno_rename_ok): New function.
5365         (s390_can_eliminate): Handle BASE_REGNUM elimination.
5366         (s390_initial_elimination_offset): Likewise.
5367         (s390_conditional_register_usage): BASE_REGNUM is no longer a fixed
5368         register on TARGET_ZARCH targets.
5369         * config/s390/s390.h (HARD_REGNO_RENAME_OK): Define
5370         (INITIAL_FRAME_POINTER_OFFSET): Remove.
5371         (REG_ALLOC_ORDER): Move BASE_REGNUM lower.
5372         (ELIMINABLE_REGS): Add BASE_REGNUM elimination rule.
5373
5374 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5375
5376         * config/s390/s390.md: Comment describing output modifiers updated.
5377         * config/s390/s390.c (print_operand): Likewise.
5378
5379 2005-10-19  Andreas Krebbel  <krebbel1@de.ibm.com>
5380
5381         * config/s390/s390.c (override_options): Added check for -mstack-size
5382         64k limitation.
5383         * doc/invoke.texi: Mention that limit in the documenation.
5384
5385 2005-10-18  Paolo Bonzini  <bonzini@gnu.org>
5386
5387         PR #19672
5388         * dojump.c (do_jump): Handle TRUTH_AND_EXPR and TRUTH_OR_EXPR here.
5389
5390 2005-10-18  Daniel Berlin <dberlin@dberlin.org>
5391
5392         Fix PR tree-optimization/24231
5393
5394         * tree-ssa-pre.c (try_look_through_load): Skip abnormal phi names
5395         (compute_avail): Ditto.
5396
5397 2005-10-18  Richard Henderson  <rth@redhat.com>
5398
5399         PR target/24428
5400         * config/i386/i386.c (legitimate_constant_p): Check
5401         SYMBOL_REF_TLS_MODEL directly.  Don't fallthru to SYMBOL_REF
5402         if LABEL_REF.
5403         (legitimate_pic_operand_p): Test SYMBOL_REF_TLS_MODEL directly.
5404         (legitimate_pic_address_disp_p): Reorg CONST checking to make
5405         sure SYMBOL_REF_TLS_MODEL is tested.  Test SYMBOL_REF_TLS_MODEL
5406         directly.
5407         (print_operand_address): Likewise.
5408         * config/i386/predicates.md (x86_64_immediate_operand): Test
5409         SYMBOL_REF_TLS_MODEL properly inside CONST.
5410         (x86_64_zext_immediate_operand): Likewise.
5411         (global_dynamic_symbolic_operand, local_dynamic_symbolic_operand,
5412         initial_exec_symbolic_operand, local_exec_symbolic_operand): Remove.
5413         * config/i386/i386-protos.h: Remove predicates.md entries.
5414
5415 2005-10-18  Danny Smith  <dannysmith@users.sourceforge.net>
5416
5417         * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
5418         Check that elements of TYPE_METHODS are FUNCTION_DECLs.
5419
5420 2005-10-17  Alexey Starovoytov  <alexey.starovoytov@sun.com>
5421             Ian Lance Taylor <ian@airs.com>
5422
5423         PR middle-end/23522
5424         * fold-const.c (fold_widened_comparison): Do not allow range based
5425         constant folding when right operand cannot be unwidened.
5426
5427 2005-10-17  Richard Henderson  <rth@redhat.com>
5428
5429         * builtins.c (expand_builtin_synchronize): Build a new-style asm
5430         with a memory clobber.
5431
5432 2005-10-17  James E Wilson  <wilson@specifix.com>
5433
5434         PR rtl-optimization/17356
5435         * cfgrtl.c (purge_dead_edges): Check for EDGE_ABNORMAL_CALL before
5436         checking for EDGE_EH.
5437
5438 2005-10-17  Eric Botcazou  <ebotcazou@libertysurf.fr>
5439
5440         * config/sparc/sparc.c (function_arg_slotno): In 64-bit mode, align
5441         the slot on an even boundary for any type with 16-byte alignment.
5442
5443 2005-10-17  Hans-Peter Nilsson  <hp@axis.com>
5444
5445         PR target/23424
5446         * md.texi (Modifiers) <%>: Clarify that % doesn't work
5447         after register allocation.
5448
5449 2005-10-17  DJ Delorie  <dj@redhat.com>
5450
5451         * config/m32c/m32c.c (m32c_pushm_popm): Don't mark epilogue insns
5452         as frame related.
5453
5454 2005-10-17  Nathan Sidwell  <nathan@codesourcery.com>
5455
5456         PR c++/22551
5457         * c-common.c (c_add_case_label): Revert my 2005-10-14 clearing of
5458         overflow flags.
5459
5460 2005-10-17  Kaz Kojima  <kkojima@gcc.gnu.org>
5461
5462         * config/sh/sh.h (OPTIMIZATION_OPTIONS): Set flag_schedule_insns
5463         to 2 if it's already non-zero.
5464         (OVERRIDE_OPTIONS): Clear flag_schedule_insns if flag_exceptions
5465         is set and warn about it if flag_schedule_insns is 1.
5466
5467 2005-10-17  Paul Woegerer  <paul.woegerer@nsc.com>
5468
5469         * config/crx/crx.md: Compare-and-branch instructions need to
5470         invalidate CC.
5471
5472 2005-10-17  Uros Bizjak  <uros@kss-loka.si>
5473
5474         PR target/24315
5475         * config/i386/i386.md (*pushdi2_rex64 splitter)
5476         (*movdi_1_rex64 splitter, *ashldi3_1 splitter)
5477         (*ashrdi3_1 splitter, *lshrdi3_1 splitter): Delay splitting after
5478         flow2 pass only when (optimize > 0 && flag_peephole2).
5479
5480 2005-10-16  Andrew Pinski  <pinskia@physics.uc.edu>
5481
5482         PR driver/22544
5483         * gcc.c (have_c): New static variable.
5484         (have_o): Likewise.
5485         (process_command): Remove declation of have_c.
5486         Set have_o to 1 when handling -o.
5487         (main): Add a fatel error if there are multiple
5488         files specified and -o and -c/-S is passed witout
5489         -combine or multiple languages.
5490
5491 2005-10-16  Daniel Berlin  <dberlin@dberlin.org>
5492
5493         Fix PR tree-optimization/22444
5494         * tree-ssa-alias.c (compute_flow_insensitive_aliasing):
5495         Assert that we don't hit something with subvars.
5496         (setup_pointers_and_addressables): Don't add things with subvars,
5497         because we'll already process the subvars for aliasing purposes.
5498
5499 2005-10-16  Hans-Peter Nilsson  <hp@axis.com>
5500
5501         PR target/23424
5502         * config/cris/cris.md ("*mov_side<mode>", "*mov_sidesisf")
5503         ("*mov_side<mode>_mem", "*mov_sidesisf_mem", "*clear_side<mode>")
5504         ("*ext_sideqihi", "*ext_side<mode>si", "*op_side<mode>")
5505         ("*op_swap_side<mode>", "*extopqihi_side", "*extop<mode>si_side")
5506         ("*extopqihi_swap_side", "*extop<mode>si_swap_side"): Have separate,
5507         swapped, alternatives for the R constraint.
5508
5509         PR middle-end/24341
5510         * builtins.c (get_builtin_sync_mode): Make unlimited
5511         mode_for_size request.
5512
5513 2005-10-15  Richard Henderson  <rth@redhat.com>
5514
5515         * gimplify.c (gimplify_var_or_parm_decl): Split out from ...
5516         (gimplify_expr): ... here.
5517         (gimplify_compound_lval): Use it in initial scan loop.  Allow
5518         fb_lvalue in base expression.
5519
5520 2005-10-15  Richard Henderson  <rth@redhat.com>
5521
5522         PR 23714
5523         * builtins.c (expand_builtin_trap): Export.
5524         * expr.h (expand_builtin_trap): Declare.
5525         * expr.c (expand_assignment): Emit a trap for integral offsets
5526         from registers that weren't reduced to bitpos.
5527
5528         * tree-cfg.c (mark_array_ref_addressable_1): Remove.
5529         (mark_array_ref_addressable): Remove.
5530         * tree-flow.h (mark_array_ref_addressable): Remove.
5531         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Don't call it.
5532
5533 2005-10-15  James E Wilson  <wilson@specifix.com>
5534
5535         PR target/24232
5536         * sched-deps.c (add_dependence_list): New arg UNCOND.  Fix all callers.
5537         (add_dependence_list_and_free): Likewise.
5538         (sched_analyze_2, case MEM): Delete sched_insns_conditions_mutex_p
5539         call.
5540
5541 2005-10-15  Diego Novillo  <dnovillo@redhat.com>
5542
5543         PR 23141
5544         PR 23142
5545         * tree-vrp.c (vrp_meet): Fix the intersection of equivalence
5546         sets VR0->EQUIV and VR1->EQUIV when meeting a range and an
5547         anti-range.
5548         (vrp_visit_phi_node): Only prevent infinite iterations when
5549         the previous result and the new result are both VR_RANGEs.
5550
5551 2005-10-15  Ranjit Mathew  <rmathew@gcc.gnu.org>
5552
5553         * tree-into-ssa.c (mark_def_sites): Correct minor typo in
5554         function comment.
5555
5556 2005-10-14  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
5557
5558         PR c/23439
5559         * c-parser.c (c_parser_for_statement): Use location of RID_FOR
5560         to initialize loc.
5561
5562 2005-10-14  Per Bothner  <per@bothner.com>
5563
5564         PR preprocessor/21250
5565         * c-ppoutput.c (print_line): Print internal line 0 as 1.
5566
5567 2005-10-14  Nathan Sidwell  <nathan@codesourcery.com>
5568
5569         PR c++/22551
5570         * c-common.c (c_add_case_label): Clear LOW_VALUE and HIGH_VALUE's
5571         overflow flags.  Refactor some conditionals.
5572
5573 2005-10-13  Andrew Pinski  <pinskia@physics.uc.edu>
5574
5575         PR tree-opt/21304
5576         * tree-dfa.c (add_referenced_var): Only look at decls which
5577         have TREE_CONSTANT or TREE_READONLY set instead of if
5578         !TREE_PUBLIC or !TREE_CONSTANT.
5579
5580 2005-10-13  James E Wilson  <wilson@specifix.com>
5581
5582         * doc/invoke.texi: For -x, add f95-cpp-input.
5583         * doc/install.texi: For --enable-languages doc, change f95 to fortran.
5584
5585 2005-10-12  Sebastian Pop  <pop@cri.ensmp.fr>
5586
5587         PR tree-optimization/24262
5588         * tree-data-ref.c (analyze_offset_expr): Check that init is invariant
5589         in loop all the time.
5590
5591 2005-10-12  Richard Henderson  <rth@redhat.com>
5592
5593         PR c/24255
5594         * tree.h (DECL_TRANSPARENT_UNION): Remove.
5595         * function.c (assign_parm_find_data_types): Don't support it.
5596         * print-tree.c (print_node): Likewise.
5597         * c-common.c (handle_transparent_union_attribute): Likewise.
5598         Use build_duplicate_type.
5599         * tree-inline.c (remap_type_1): Split out of remap_type;
5600         properly remap aggregate fields.
5601         (build_duplicate_type): New.
5602         * doc/extend.texi (Variable Attributes): Remove documentation
5603         for transparent_union.
5604
5605 2005-10-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
5606
5607         PR target/24284
5608         * config/sparc/sparc.c (gen_stack_pointer_inc): Build by hand.
5609         (gen_stack_pointer_dec): Likewise.
5610
5611 2005-10-12  Danny Smith  <dannysmith@users.sourceforge.net>
5612
5613         PR middle-end/21275
5614         PR middle-end/21766
5615         * target.h (struct gcc_target): Add valid_dllimport_attribute_p
5616         target hook.
5617         (struct cxx): Add adjust_class_at_definition target hook.
5618         * target-def.h: (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): New define,
5619         defaulting to hook_bool_tree_true. Add to TARGET_INITIALIZER
5620         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): New define, defaulting to
5621         hook_void_tree. Add to TARGET_CXX.
5622         * tree.h (struct decl_with_vis): Rename non_addr_const_p field to
5623         dllimport_flag.
5624         (DECL_NON_ADDR_CONSTANT_P): Replace with DECL_DLLIMPORT_P macro.
5625         * tree.c (merge_dllimport_decl_attributes): Check DECL_DLLIMPORT_P
5626         instead of attribute. Check for dllexport override.  Warn if
5627         inconsistent dll linkage. Don't lose old dllimport if decl has
5628         had address referenced.   Tweak lookup of dllimport atribute.
5629         (handle_dll_attribute): Check targetm.valid_dllimport_attribute_p
5630         for target specific rules.  Don't add dllimport attribute if
5631         DECL_DECLARED_INLINE_P.  Set DECL_DLLIMPORT_P when adding
5632         dllimport attribute.
5633         (staticp): Replace DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P.
5634         * varasm.c (initializer_constant_valid_p): Replace
5635         DECL_NON_ADDR_CONSTANT_P with DECL_DLLIMPORT_P
5636
5637         PR target/21801
5638         PR target/23589
5639         * config.gcc (i[34567]86-*-cygwin*): Add winnt-cxx.o to
5640         'cxx_target_objs', winnt-stubs,o to 'extra_objs'.
5641         (i[34567]86-*-mingw32*): Likewise.
5642
5643         * doc/tm.texi (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Document.
5644         (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Document.
5645
5646         * config/i386/winnt.c (i386_pe_dllimport_p): Factor out
5647         C++-specific code. Change return value to bool.
5648         (i386_pe_dllimport_p): Likewise.
5649         (associated_type): Simplify and make language-independent
5650         (i386_pe_encode_section_info): Replace override of ambiguous
5651         dllimport symbol refs with a gcc_assert.
5652         (i386_pe_valid_dllimport_attribute_p): Define.
5653         * config/i386/winnt-cxx.c: New file. Define C++ versions of
5654         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5655         i386_pe_adjust_class_at_definition.
5656         * config/i386/winnt-stubs.c: New file. Define stub versions of
5657         lang-specific functions.
5658         * config/i386/i386-protos.h: Declare winnt-[cxx|stubs].c functions
5659         i386_pe_type_dllimport_p, i386_pe_type_dllexport_p,
5660         i386_pe_adjust_class_at_definition.
5661         (i386_pe_valid_dllimport_attribute_p): Declare.
5662         * config/i386/cygming.h (TARGET_VALID_DLLIMPORT_ATTRIBUTE_P): Define.
5663         (TARGET_CXX_ADJUST_CLASS_AT_DEFINITION): Define.
5664         * config/i386/t-cygming: Add rules for winnt-cxx.o, winnt-stubs.o.
5665
5666         PR target/19704
5667         * config/i386/i386.c (ix86_function_ok_for_sibcall): Replace test for
5668         dllimport attribute with test of DECL_DLLIMPORT_P.
5669
5670 2005-10-12  Adrian Straetling <straetling@de.ibm.com>
5671
5672         * combine.c (make_extraction): Correct offset computation.
5673
5674 2005-10-12  Hans-Peter Nilsson  <hp@axis.com>
5675
5676         * config/cris/t-linux (LIMITS_H_TEST): Define.
5677
5678 2005-10-12  Richard Henderson  <rth@redhat.com>
5679
5680         PR rtl-opt/23324
5681         * cfgexpand.c (add_alias_set_conflicts): Use objects_must_conflict_p.
5682
5683 2005-10-12  Richard Guenther  <rguenther@suse.de>
5684
5685         * Makefile.in (CGRAPH_H): Depend on $(TREE_H).
5686
5687 2005-10-12  Nathan Sidwell  <nathan@codesourcery.com>
5688
5689         PR c++/19964
5690         * stor-layout.c (place_field): Set DECL_FIELD_OFFSET and
5691         DECL_FIELD_BIT_OFFSET of FIELD_DECLs, even if they have an invalid
5692         type.
5693
5694 2005-10-12  Richard Guenther  <rguenther@suse.de>
5695
5696         PR c++/23799
5697         * varasm.c (output_constant): Correct typo from previous
5698         patch by DJ.
5699
5700 2005-10-11  Ian Lance Taylor  <ian@airs.com>
5701
5702         PR rtl-optimization/13931
5703         * combine.c: Revert patch of 2003-05-14, and:
5704         (try_combine): Only set elim_i1 and elim_i2 if the destination is
5705         completely killed in the appropriate insn.
5706         (distribute_notes): Don't skip multiple hard register test for
5707         elim_i1 and elim_i2.
5708
5709 2005-10-11  Richard Henderson  <rth@redhat.com>
5710
5711         PR c/24255
5712         * c-typeck.c (convert_for_assignment): Use build_constructor_single
5713         to initialize a transparent union instead of a nop_expr.
5714
5715 2005-10-11  Richard Henderson  <rth@redhat.com>
5716
5717         * Makefile.in (tree-ssa-dce.o): Depend on SCEV_H.
5718         * tree-ssa-dce.c: Include tree-scalar-evolution.h.
5719         (tree_ssa_dce_loop): Call scev_reset.
5720
5721         PR tree-opt/24300
5722         * Makefile.in (tree-ssa-dce.o): Depend on CFGLOOP_H.
5723         * tree-ssa-dce.c: Include cfgloop.h.
5724         (tree_ssa_dce_loop, pass_dce_loop): New.
5725         * tree-pass.h (pass_dce_loop): Declare it.
5726         * passes.c (init_optimization_passes): Use it.
5727
5728 2005-10-11  Eric Botcazou  <ebotcazou@libertysurf.fr>
5729
5730         PR middle-end/24263
5731         * convert.c (convert_to_real): Revert 2005-10-05 patch.
5732         Only apply the optimization for rounding builtins if the inner
5733         cast is also an extension.
5734
5735 2005-10-11  Andrew Pinski  <pinskia@physics.uc.edu>
5736
5737         PR tree-opt/23946
5738         * tree-ssa-ccp.c (execute_fold_all_builtins): Call
5739         mark_new_vars_to_rename instead of update_stmt.
5740
5741 2005-10-11  Bernd Schmidt  <bernd.schmidt@analog.com>
5742
5743         * config/bfin/crti.s (__init, __fini): Renamed from _init, _fini.
5744
5745 2005-10-11  Jakub Jelinek  <jakub@redhat.com>
5746
5747         * config/i386/i386.md (movsi_1, movdi_1_rex64): Use mmxadd type
5748         for setting MMX register to 0 rather than mmx.
5749
5750 2005-10-10  Steve Ellcey  <sje@cup.hp.com>
5751
5752         PR target/12098
5753         * configure.ac: Move gas check from mips specific case to common case.
5754         Do check for GNU as for mips*-*-* and *-*-hpux* targets.
5755         * configure: Regenerate
5756         * doc/install.texi: Update.
5757
5758 2005-10-10  Eric Botcazou  <ebotcazou@libertysurf.fr>
5759
5760         PR target/24284
5761         * config/sparc/sparc.c (sparc_expand_prologue): Remove bogus PATTERN.
5762
5763 2005-10-10  Maciej W. Rozycki  <macro@linux-mips.org>
5764
5765         * gcc.c (do_spec_1): Accept numeric characters in file name
5766         suffixes.
5767
5768 2005-10-10  Nick Clifton  <nickc@redhat.com>
5769
5770         * config/arm/arm.c: Remove extraneous whitespace.  Remove comment
5771         describing the deleted arm_gen_rotated_half_load function.
5772
5773 2005-10-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5774
5775         * config/sh/sh.c (emit_fpu_switch): Set TREE_PUBLIC for
5776         __fpscr_values.
5777
5778 2005-10-09  Daniel Jacobowitz  <dan@codesourcery.com>
5779
5780         * config.gcc (arm*-*-linux*): Remove redundant extra_parts and
5781         gnu_ld assignments.
5782         * config/arm/t-linux-eabi (LIB1ASMFUNCS)
5783         (EXTRA_MULTILIB_PARTS): Define.
5784         * config/arm/linux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5785         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5786         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Move to...
5787         * config/arm/uclinux-elf.h (NO_IMPLICIT_EXTERN_C, CPLUSPLUS_CPP_SPEC)
5788         (STARTFILE_SPEC, ENDFILE_SPEC, CC1_SPEC)
5789         (LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): ... here.
5790
5791 2005-10-09  Zdenek Dvorak  <dvorakz@suse.cz>
5792
5793         PR tree-optimization/24226
5794         * tree-cfg.c (remove_bb): Clean up unreachable loops.
5795         * tree-flow.h (free_numbers_of_iterations_estimates_loop): Declare.
5796         * tree-ssa-loop-niter.c (free_numbers_of_iterations_estimates_loop):
5797         Export.
5798
5799 2005-10-09  Eric Botcazou  <ebotcazou@libertysurf.fr>
5800
5801         * config/sparc/gmon-sol2.c (internal_mcount): Mark as used.
5802
5803 2005-10-08  Andrew Pinski  <pinskia@physics.uc.edu>
5804
5805         PR target/24136
5806         * config/rs6000/darwin.md (movdf_low_si): Remove early clobber.
5807         Rewrite for no need for the early clobber.
5808
5809 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5810
5811         Merge from csl-arm-branch:
5812         2005-09-07  Paul Brook  <paul@codesourcery.com>
5813         * config/arm/linux-eabi.h (SUBTARGET_EXTRA_LINK_SPEC): Prepend a
5814         space to string.
5815
5816         2005-04-30  Paul Brook  <paul@codesourcery.com>
5817         * config/arm/bpabi.h (TARGET_DEFAULT): Define.
5818         * config/arm/linux-eabi.h (SUBTARGET_CPU_DEFAULT): Define.
5819
5820         2005-03-07  Daniel Jacobowitz  <dan@codesourcery.com>
5821         * config/arm/arm.c (arm_all_abis): Add aapcs-linux.
5822         (arm_override_options): Use TARGET_AAPCS_BASED.
5823         * config/arm/arm.h (enum arm_abi_type): Add ARM_ABI_AAPCS_LINUX.
5824         (PTRDIFF_TYPE): Use int for AAPCS.
5825         (DEFAULT_SHORT_ENUMS): Use false for aapcs-linux.
5826         * config/arm/linux-eabi.h (ARM_DEFAULT_ABI, WCHAR_TYPE): Define.
5827         (DEFAULT_SHORT_ENUMS): Delete.
5828         * doc/invoke.texi (ARM Options): Document -mabi=aapcs-linux.
5829
5830         2004-12-15  Daniel Jacobowitz  <dan@codesourcery.com>
5831         * config/arm/arm.h (DEFAULT_SHORT_ENUMS): Wrap in #ifndef.
5832         * config/arm/linux-eabi.h (DEFAULT_SHORT_ENUMS): Define to 0.
5833         * config/arm/t-linux-eabi (TARGET_LIBGCC2_CFLAGS): Set to -fPIC.
5834
5835         2004-12-03  Mark Mitchell  <mark@codesourcery.com>
5836         * config/arm/linux-eabi.h (LIBGCC_SPEC): Do not define.
5837
5838         2004-11-22  Mark Mitchell  <mark@codesourcery.com>
5839         * config.gcc (arm*-*-linux-gnueabi): Use __cxa_atexit.
5840
5841         2004-11-19  Mark Mitchell  <mark@codesourcery.com>
5842         * config.gcc (arm*-*-linux-gnueabi): Add it.
5843         * config/arm/bpabi.h (FPUTYPE_DEFAULT): Undefine it before
5844         redefining it.
5845         (TARGET_OS_CPP_BUILTINS): Likeiwse.
5846         * config/arm/linux-eabi.h: New file.
5847         * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): New macro.
5848         (LINUX_TARET_LINK_SPEC): Likewise.
5849         (LINK_SPEC): Use it.
5850         * config/arm/t-linux-eabi: New file.
5851
5852 2005-10-08  Steven Bosscher  <stevenb@suse.de>
5853
5854         PR other/22202
5855         * params.def (PARAM_MAX_VARIABLE_EXPANSIONS): Remove superfluous
5856         spaces.
5857         (PARAM_SMS_DFA_HISTORY): Likewise.
5858
5859 2005-10-08  Kazu Hirata  <kazu@codesourcery.com>
5860
5861         PR middle-end/23150
5862         * calls.c (mem_overlaps_already_clobbered_arg_p): New.
5863         (load_register_parameters): Call it.
5864         (check_sibcall_argument_overlap_1): Likewise.
5865         (store_one_arg): Likewise.
5866
5867 2005-10-07  James E. Wilson  <wilson@specifix.com>
5868
5869         * config/ia64/vect.md (ashl<mode>3, ashr<mode>3, lshr<mode>3): Use
5870         DImode not VECINT24 for operand 2.
5871
5872         PR target/23644
5873         * doc/invoke.texi (IA-64 Options, item -mtune): Renamed from
5874         -mtune-arch.
5875
5876         PR target/24193
5877         * config/ia64/ia64.md (movbi, movti_internal, gr_spill_internal,
5878         fr_spill): Use destination_operand for operand 0.
5879
5880 2005-10-07  DJ Delorie  <dj@redhat.com>
5881
5882         * varasm.c (output_constant): Limit error to expanding
5883         conversions.
5884
5885 2005-10-07  Richard Guenther  <rguenther@suse.de>
5886
5887         PR middle-end/24227
5888         * fold-const.c (fold_binary): Fix operand types during folding
5889         of X op (A, Y).  Evaluation order of the side-effects of
5890         X and A are frontend-defined, so ensure we honour that even for
5891         tcc_comparison class operands; eased by removing duplicate code.
5892
5893 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5894
5895         * stor-layout.c (layout_type): Do not allow alignment of array
5896         elements to be greater than their size.
5897
5898 2005-10-07  Steve Ellcey  <sje@cup.hp.com>
5899
5900         * config.host (hppa*-*-hpux*): Change out_host_hook_obj and
5901         host_xmake_file.
5902         (hppa*-*-linux*): Ditto.
5903         (ia64-*-hpux*): Add out_host_hook_obj and host_xmake_file.
5904         * config/host-hpux.c: New.
5905         * config/x-hpux: New.
5906         * config/pa/x-hpux: Remove.
5907         * config/pa/x-linux: Remove.
5908         * config/pa/pa-host.c: Remove.
5909
5910 2005-10-07  Jeff Law  <law@redhat.com>
5911
5912         * tree-ssa-dom.c (dom_opt_finalize_block): Fix conditions to
5913         determine whether or not to try and thread outgoing edges.
5914
5915 2005-10-07  David Edelsohn  <edelsohn@gnu.org>
5916
5917         * config/rs6000/rs6000.md (eqsi_power): New.
5918         (neg_eq0si): Add TARGET_POWER to final condition.
5919         (neg_eqsi): Same.
5920
5921 2005-10-06  Richard Henderson  <rth@redhat.com>
5922
5923         * config/rs6000/rs6000.c: Revert last change.
5924
5925 2005-10-06  Richard Henderson  <rth@redhat.com>
5926
5927         * config/rs6000/rs6000.c (rs6000_cannot_force_const_mem): New.
5928         (TARGET_CANNOT_FORCE_CONST_MEM): Use it.
5929
5930 2005-10-06  Andrew Pinski  <pinskia@physics.uc.edu>
5931
5932         PR middle-end/22216
5933         PR middle-end/23651
5934         * cfgexpand.c (tree_expand_cfg): After expanding the functions, clear
5935         out return_label and naked_return_label.
5936
5937 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5938
5939         * tree-ssa-structalias.c (check_for_overlaps): Fix bug in last
5940         change.
5941
5942 2005-10-06  Richard Henderson  <rth@redhat.com>
5943
5944         PR tree-opt/22237
5945         * tree-inline.c (declare_return_variable): Handle modify_dest not
5946         being a DECL.
5947
5948 2005-10-06  Daniel Berlin  <dberlin@dberlin.org>
5949
5950         Fix PR tree-optimization/22488
5951         * tree-ssa-structalias.c (check_for_overlaps): New function.
5952         (create_variable_info_for): Use it.
5953
5954 2005-10-06  Richard Henderson  <rth@redhat.com>
5955
5956         PR debug/24070
5957         * dwarf2out.c (lookup_filename): Return the result of maybe_emit_file.
5958         (dwarf2out_start_source_file): Print it.
5959
5960 2005-10-06  Geoffrey Keating  <geoffk@apple.com>
5961
5962         * config/t-slibgcc-darwin (SHLIB_MAPFILES): Use '+='.
5963
5964 2005-10-06  Richard Henderson  <rth@redhat.com>
5965
5966         PR 23706
5967         * mode-switching.c (optimize_mode_switching): Clear transp bit
5968         for block with incomming abnormal edges.
5969
5970         * config/sh/sh.c (fpscr_values, emit_fpu_switch): New.
5971         (fpscr_set_from_mem): Use them.
5972         * config/sh/sh.md (fpu_switch0, fpu_switch1): Remove.
5973         (fpscr postinc splitters): Rewrite as peephole2+split.
5974
5975 2005-10-06  David Edelsohn  <edelsohn@gnu.org>
5976
5977         * config/rs6000/rs6000.md (eq<mode>): Add !TARGET_POWER.
5978         (eq<mode>_compare): Same.
5979
5980 2005-10-06  Richard Guenther  <rguenther@suse.de>
5981
5982         PR tree-optimization/24238
5983         * tree-ssa-alias.c (find_used_portions): Handle RESULT_DECL.
5984
5985 2005-10-06  Daniel Jacobowitz  <dan@codesourcery.com>
5986
5987         * acinclude.m4 (gcc_AC_CHECK_TOOL): Handle environment variables
5988         here.  Use AC_PATH_PROG for environment variables instead of
5989         test -x.
5990         * configure.ac: Update calls to gcc_AC_CHECK_TOOL.  Use it for
5991         objdump also.
5992         * configure: Regenerated.
5993
5994 2005-10-06  Richard Earnshaw  <richard.earnshaw@arm.com>
5995
5996         PR target/23783
5997         * arm.md (call): If the address isn't a SYMBOL_REF or a register,
5998         then force it into a register.
5999         (call_value): Likewise.
6000
6001 2005-10-06  Richard Henderson  <rth@redhat.com>
6002
6003         PR 24049
6004         * passes.c (init_optimization_passes): Move pass_lower_vector_ssa
6005         under pass_vectorize.  Clear TODO_ggc_collect from the dce pass
6006         under pass_vectorize.
6007
6008 2005-10-05  Devang Patel  <dpatel@apple.com>
6009
6010         PR Debug/23205
6011         * dbxout.c (dbxout_symbol): Check DECL_RTL_SET_P, after
6012         handling constants. Check NAMESPACE_DECL context for constants.
6013
6014 2005-10-05  Eric Christopher  <echristo@apple.com>
6015
6016         * doc/md.texi (Standard Names): Fix name of pushm1 pattern.
6017
6018 2005-10-05  Richard Henderson  <rth@redhat.com>
6019
6020         PR 23714
6021         * tree-cfg.c (mark_array_ref_addressable_1): New.
6022         (mark_array_ref_addressable): New.
6023         * tree-flow.h (mark_array_ref_addressable): Declare.
6024         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Use it.
6025
6026 2005-10-05  Andrew Pinski  <pinskia@physics.uc.edu>
6027
6028         PR middle-end/20606
6029         PR middle-end/24069
6030         * reload.c (subst_reloads): When adding a REG_LABEL to a
6031         jump instruction, also update JUMP_LABEL.
6032
6033 2005-10-05  David Edelsohn  <edelsohn@gnu.org>
6034
6035         * params.def (PARAM_MAX_GROW_COPY_BB_INSNS): New.
6036         * bb-reorder.c (copy_bb_p): Use it.
6037         * doc/invoke.texi (param table): Add max-grow-copy-bb-insn.
6038
6039 2005-10-05  Richard Henderson  <rth@redhat.com>
6040
6041         PR target/23602
6042         * toplev.c (process_options): Warn about unsupported combinations
6043         of unwind tables and omit-frame-pointer.
6044         * config/i386/i386.c (override_options): Similarly.  Enable
6045         accumulate-outgoing-args if not explicitly disabled.
6046
6047 2005-10-05  Steve Ellcey  <sje@cup.hp.com>
6048
6049         * vect.md (vec_initv2si): Fix typo of V2SF to V2SI.
6050         Handle big endian vs. small endian.
6051         (vec_initv2sf): Handle big endian vs. small endian.
6052         (*vec_extractv2sf_1): Ditto.
6053
6054 2005-10-05  Dale Johannesen  <dalej@apple.com>
6055
6056         * convert.c (convert_to_real):  Don't convert
6057         (float)floor(double d) to floorf((float)d).
6058
6059 2005-10-05  Daniel Jacobowitz  <dan@codesourcery.com>
6060
6061         * config/arm/arm.md (insv): Use gen_int_mode in more places.
6062
6063 2005-10-05  Andrew MacLeod  <amacleod@redhat.com>
6064
6065         PR tree-optimization/18587
6066         * tree-ssa-operands.c (struct opbuild_list_d, OPBUILD_LAST): Delete.
6067         (build_defs, build_uses, build_v_may_defs, build_v_must_defs,
6068         build_vuses): Change to VEC type.
6069         (opbuild_initialize_virtual, opbuild_initialize_real, opbuild_free,
6070         opbuild_num_elems, opbuild_append_real, opbuild_append_virtual,
6071         opbuild_first, opbuild_next, opbuild_elem_real, opbuild_elem_virtual,
6072         opbuild_elem_uid, opbuild_clear, opbuild_remove_elem): Delete.
6073         (get_name_decl): New.  Return DECL_UID of base variable.
6074         (operand_build_cmp): New.  qsort comparison routine.
6075         (operand_build_sort_virtual): New.  Sort virtual build vector.
6076         (init_ssa_operands, fini_ssa_operands): Use VEC routines.
6077         (FINALIZE_OPBUILD_BASE, FINALIZE_OPBUILD_ELEM): Use VEC_Index.
6078         (FINALIZE_BASE): Use get_name_decl.
6079         (finalize_ssa_defs, finalize_ssa_uses, cleanup_v_may_defs,
6080         finalize_ssa_v_may_defs, finalize_ssa_vuses, finalize_ssa_v_must_defs,
6081         (start_ssa_stmt_operands, append_def, append_use, append_vuse,
6082         append_v_may_def, append_v_must_def): Replace opbuild_* routines with
6083         direct VEC_* manipulations.
6084         (build_ssa_operands): Call operand_build_sort_virtual.
6085         (copy_virtual_operand, create_ssa_artficial_load_stmt,
6086         add_call_clobber_ops, add_call_read_ops): Replace opbuild_* routines
6087         with direct VEC_* manipulations.
6088         * tree-ssa-opfinalize.h (FINALIZE_FUNC): Replace opbuild_* routines
6089         with direct VEC manipulations.
6090
6091 2005-10-05  Paolo Bonzini  <bonzini@gnu.org>
6092
6093         PR tree-optimization/21419
6094         PR tree-optimization/24146
6095         PR tree-optimization/24151
6096
6097         * c-typeck.c (readonly_error): Handle USE being lv_asm.
6098         (build_asm_expr): Call it if outputs are read-only.
6099         * gimplify.c (gimplify_asm_expr): Remove former fix to PR 21419.
6100
6101 2005-10-05  Billy Biggs  <billy.biggs@gmail.com>
6102             Paolo Bonzini  <bonzini@gnu.org>
6103
6104         PR target/23809
6105
6106         * doc/extend.texi (x86 Built-ins): Document that -msse and friends
6107         enable the instructions and not just the built-ins.
6108         * doc/invoke.texi (x86 Options): Likewise.
6109
6110 2005-10-04  Geoffrey Keating  <geoffk@apple.com>
6111
6112         * config/i386/t-darwin (SHLIB_VERPFX): Fix typo.
6113
6114         * doc/invoke.texi (Option Summary): Correct spelling
6115         of -mmacosx-version-min.
6116
6117 2005-10-04  Devang Patel  <dpatel@apple.com>
6118
6119         * c-common.c (vector_types_convertible_p): Check TYPE_PRECISION for
6120         real types.
6121
6122 2005-10-04  Steve Ellcey  <sje@cup.hp.com>
6123
6124         * tree-vect-transform.c (vect_create_epilog_for_reduction):
6125         Use BYTES_BIG_ENDIAN instead of BITS_BIG_ENDIAN.
6126
6127 2005-10-04  Adrian Straetling  <straetling@de.ibm.com>
6128
6129         * config/s390/s390.md ("TDSI","DP"): New mode macros.
6130         ("TE","tg"): New mode attributes.
6131         ("sync_compare_and_swap<mode>"): Replace with a define_expand.
6132         ("sync_compare_and_swap<mode>_cc"): Replace GPR with TDSI.
6133         ("*sync_compare_and_swap<mode>_cc"): Replace with one pattern for
6134         dword_mode and one for GPRmode.
6135
6136 2005-10-04  Ian Lance Taylor  <ian@airs.com>
6137
6138         PR preprocessor/13726
6139         * c-ppoutput.c (cb_include): Add comments parameter, and print out
6140         any comments passed in.
6141
6142 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6143
6144         * tree.c (annotate_with_file_line): Fix typo.
6145
6146 2005-10-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
6147
6148         PR ada/19382
6149         * builtins.c (fold_builtin_memcmp): When constructing the pointer
6150         type used to access data in the inlined length == 1 case, use
6151         build_pointer_type_for_mode with CAN_ALIAS_ALL set to true.
6152         (fold_builtin_strcmp, fold_builtin_strncmp): Likewise.
6153
6154 2005-10-04  Uros Bizjak  <uros@kss-loka.si>
6155
6156         * config/i386/i386.h (TARGET_FISTTP): Enable also for
6157         TARGET_SSE3 and only for TARGET_80387.
6158         * config/i386/i386.md (fix_trunc<mode>_fisttp_i387_1,
6159         (fix_trunc<mode>_i387_fisttp, fix_trunc<mode>_i387_fisttp_with_temp):
6160         Do not depend on TARGET_80387.
6161
6162 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6163
6164         * tree.c (last_annotated_node): Change type to location_t*.
6165         (annotate_with_file_line): Reflect the change of
6166         last_annotated_node type.
6167
6168 2005-10-04  Richard Guenther  <rguenther@suse.de>
6169
6170         PR c/23576
6171         * c-decl.c (grokdeclarator): Don't write to fields
6172         of error_mark_node.
6173
6174 2005-10-04  Andrew Pinski  <pinskia@physics.uc.edu>
6175
6176         PR middle-end/23125
6177         * c-decl.c (finish_decl): Use set_user_assembler_name even for
6178         register variables.
6179         * varasm.c (make_decl_rtl): If a register variable does not
6180         have a set user assmbler name, error out.
6181         Decode the asmspec is now name+1 bypassing '*'.
6182
6183 2005-10-04  Steven Bosscher  <stevenb@suse.de>
6184
6185         PR tree-optimization/23049
6186         * tree-ssa-dom.c (thread_across_edge): Make sure that the condition
6187         of a COND_EXPR is folded before calling fold on the whole rhs of a
6188         conditional assignment.
6189         * doc/tree-ssa.texi: Update the GIMPLE grammar for a valid rhs to
6190         document that a COND_EXPR may appear there.
6191
6192 2005-10-03  Diego Novillo  <dnovillo@redhat.com>
6193
6194         PR 23445
6195         * tree-vrp.c (extract_range_from_assert): If the new numeric
6196         range created out of the assertion contradicts the existing
6197         numeric range of the ASSERT_EXPR variable, make the new range
6198         varying.
6199
6200 2005-10-03  Kaz Kojima  <kkojima@gcc.gnu.org>
6201
6202         * config/sh/sh.c (sh_register_move_cost): Add case for moving
6203         from T_REGS to FP register class.
6204
6205 2005-10-03  Richard Henderson  <rth@redhat.com>
6206
6207         PR 24135
6208         * tree-nested.c (convert_nl_goto_reference): Lookup a translation
6209         before creating a new one.
6210
6211 2005-10-03  David Edelsohn  <edelsohn@gnu.org>
6212
6213         * config/rs6000/t-aix43 (LDFLAGS): New.
6214         * config/rs6000/t-aix52 (LDFLAGS): New.
6215
6216 2005-10-03  Ian Lance Taylor  <ian@airs.com>
6217
6218         * gimplify.c (find_single_pointer_decl_1): New static function.
6219         (find_single_pointer_decl): New static function.
6220         (internal_get_tmp_var): For a formal variable, set restrict base
6221         information if appropriate.
6222         * alias.c (find_base_decl): If a VAR_DECL has a restrict base,
6223         return it.
6224         * tree.h (DECL_BASED_ON_RESTRICT_P): Define.
6225         (DECL_GET_RESTRICT_BASE): Define.
6226         (SET_DECL_RESTRICT_BASE): Define.
6227         (decl_restrict_base_lookup): Declare.
6228         (decl_restrict_base_insert): Declare.
6229         (struct tree_decl_with_vis): Add based_on_restrict_p field.
6230         * tree.c (restrict_base_for_decl): New static variable.
6231         (init_ttree): Initialize restrict_base_for_decl.
6232         (copy_node_stat): Copy restrict base information.
6233         (decl_restrict_base_lookup): New function.
6234         (decl_restrict_base_insert): New function.
6235         (print_restrict_base_statistics): New static function.
6236         (dump_tree_statistics): Call print_restrict_base_statistics.
6237
6238 2005-10-02  Diego Novillo  <dnovillo@redhat.com>
6239
6240         PR 24142
6241         * tree-vrp.c (vrp_meet): Fix call to range_includes_zero_p in
6242         case of anti-ranges.
6243
6244 2005-10-02  Andrew Pinski  <pinskia@physics.uc.edu>
6245
6246         PR c/18851
6247         * c-typeck.c (tagged_tu_seen): Rename to ...
6248         (tagged_tu_seen_cache): this and add val field.
6249         (comptypes): Move functional to comptypes_internal
6250         and free tagged_tu_seen.
6251         (comptypes_internal): New function and call comptypes_internal
6252         instead of comptypes. Speed up by sibcalling
6253         tagged_types_tu_compatible_p.
6254         (alloc_tagged_tu_seen): New function
6255         (free_all_tagged_tu_seen_up_to): New function.
6256         (tagged_types_tu_compatible_p): Return the val of the seen two
6257         types.
6258         Add that the two types are the same to tagged_tu_seen_base
6259         if they are and call comptypes_internal instead of comptypes.
6260         <case UNION_TYPE>: Speed up common type where the fields are
6261         in the same order.
6262         (function_types_compatible_p): Call comptypes_internal instead of
6263         comptypes.
6264         (type_lists_compatible_p): Likewise.
6265         (all functions): s/tagged_tu_seen/tagged_tu_seen_cache/.
6266
6267 2005-10-02  Matthias Klose  <doko@debian.org>
6268
6269         * doc/invoke.texi: Fix typo and speling error.
6270
6271 2005-10-01  Richard Henderson  <rth@redhat.com>
6272
6273         * tree-stdarg.c (execute_optimize_stdarg): Process PHI nodes too.
6274
6275 2005-10-01  Mark Mitchell  <mark@codesourcery.com>
6276
6277         * config/arm/unknown-elf.h (LINK_GCC_C_SEQUENCE_SPEC): Define
6278         using --start-group and --end-group.
6279
6280 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
6281
6282         * tree-vrp.c (value_inside_range, range_includes_zero_p): Add
6283         FIXME note regarding quirky semantics.
6284
6285 2005-10-01  Diego Novillo  <dnovillo@redhat.com>
6286
6287         PR 24141
6288         * tree-vrp.c (vrp_meet): Clear VR0->EQUIV when building a
6289         non-null range as a last resort.
6290
6291 2005-10-01  James A. Morrison  <phython@gcc.gnu.org>
6292             Diego Novillo  <dnovillo@redhat.com>
6293
6294         PR 23604
6295         * tree-vrp.c (extract_range_from_assert): For !=
6296         assertions, only build an anti-range if LIMIT is a
6297         single-valued range.
6298
6299 2005-09-30  Richard Earnshaw  <richard.earnshaw@arm.com>
6300
6301         * arm.md (movqi): On thumb when optimizing, handle loading from
6302         memory by describing this as taking a subreg of a zero-extended load
6303         into an SImode register.
6304         (movhi): Likewise.
6305
6306 2005-09-30  Daniel Jacobowitz  <dan@codesourcery.com>
6307
6308         * reload1.c (merge_assigned_reloads): Do not change any
6309         RELOAD_FOR_OUTPUT_ADDRESS reloads.
6310
6311 2005-09-30  Geoffrey Keating  <geoffk@apple.com>
6312
6313         * Makefile.in (LIPO_FOR_TARGET): Define.
6314         (STRIP_FOR_TARGET): Define.
6315
6316         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Remove old symlinks
6317         before creating new ones.  Do symlinks before creating the actual
6318         targets.
6319
6320         * config/t-slibgcc-darwin (libgcc_s_%.dylib): Use --print-multi-lib
6321         to work out which multilibs are actually being built.
6322
6323 2005-09-30  Kazu Hirata  <kazu@codesourcery.com>
6324
6325         * tree-vect-transform.c, config/ms1/ms1.md,
6326         config/s390/s390.c, config/v850/v850.md: Fix comment typos.
6327         Follow spelling conventions.
6328         * doc/invoke.texi, doc/md.texi: Fix typos.
6329
6330 2005-09-30  Andrew Macleod  <amacleod@redat.com>
6331
6332         PR tree-optimization/21430
6333         * tree-ssa-operands.c (set_virtual_use_link): New. Link new virtual
6334         use operands, and set stmt pointer if need be.
6335         (FINALIZE_CORRECT_USE: New. Macro to call appropriate use fixup routine.
6336         tree-ssa-opfinalize.h (FINALIZE_FUNC): Call FINALIZE_CORRECT_USE if
6337         present.
6338
6339 2005-09-29  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
6340
6341         PR middle-end/24053
6342         * stor-layout.c (set_sizetype): Set TYPE_MAIN_VARIANT of bitsizetype.
6343
6344 2005-09-29  Mark Mitchell  <mark@codesourcery.com>
6345
6346         * optabs.c (expand_binop): Initialize first_pass_p.
6347
6348 2005-09-29  Jakub Jelinek  <jakub@redhat.com>
6349
6350         PR middle-end/24109
6351         * c-decl.c (c_write_global_declarations_1): If any
6352         wrapup_global_declaration_2 call returned true, restart the loop.
6353
6354 2005-09-29  Daniel Berlin  <dberlin@dberlin.org>
6355
6356         Fix PR tree-optimization/24117
6357         * tree-ssa-structalias.c (find_func_aliases): Strip nops
6358         before considering whether to use anyoffset.
6359
6360 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6361
6362         Revert this patch:
6363
6364         2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6365
6366         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6367         to order operands.
6368         (swap_commutative_operands_with_target): New.
6369
6370 2005-09-29  Paolo Bonzini  <bonzini@gnu.org>
6371
6372         PR c/21419
6373         * gimplify.c (gimplify_asm_expr): Raise an error if an output is
6374         read-only.
6375
6376 2005-09-29  Steven Bosscher  <stevenb@suse.de>
6377
6378         PR tree-optimization/23911
6379         * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle REALPART_EXPR
6380         and IMAGPART_EXPR too.
6381
6382 2005-09-28  Mark Mitchell  <mark@codesourcery.com>
6383
6384         PR 17886
6385         * expmed.c (expand_shift): Move logic to reverse rotation
6386         direction when  rotating by constants ...
6387         * optabs.c (expand_binop): ... here.
6388         * config/i386/i386.md (rotrdi3): Handle 32-bit mode.
6389         (ix86_rotrdi3): New pattern.
6390         (rotldi3): Handle 32-bit mode.
6391         (ix86_rotldi3): New pattern.
6392
6393 2005-09-29  Alan Modra  <amodra@bigpond.net.au>
6394
6395         PR target/24102
6396         * config/rs6000/rs6000.md (floatdisf2_internal2): Correct range
6397         check for numbers that need no bit twiddle.
6398
6399 2005-09-28  Geoffrey Keating  <geoffk@apple.com>
6400
6401         * config/rs6000/t-darwin8: Uncomment contents, allow -m64
6402         multilib to be built.
6403
6404         * Makefile.in: Export LIPO_FOR_TARGET, STRIP_FOR_TARGET.
6405         (stage1-start): Delete old libgcc and libunwind before moving
6406         anything into the stage directory.
6407         (stage2-start): Likewise.
6408         (stage3-start): Likewise.
6409         (stage4-start): Likewise.
6410         (stageprofile-start): Likewise.
6411         (stagefeedback-start): Likewise.
6412         * config.gcc (*-*-darwin*): Automatically use CPU-specific darwin.h
6413         header in tm_file and CPU-specific t-darwin in tmake_file.
6414         (i[34567]86-*-darwin*): Don't change tm_file.
6415         (powerpc-*-darwin*): Don't change tm_file or tmake_file.
6416         * config/darwin.h (REAL_LIBGCC_SPEC): Rewrite to use proper libgcc
6417         shared library stub for target OS version.
6418         * config/t-slibgcc-darwin (SHLIB_SOLINK): Delete.
6419         (SHLIB_LINK): Don't make SHLIB_SOLINK.
6420         (SHLIB_INSTALL): Don't install SHLIB_SOLINK.
6421         (libgcc_s.%.dylib): New.
6422         (LIBGCC): Define.
6423         (install-darwin-libgcc-stubs): New.
6424         (INSTALL_LIBGCC): New append.
6425         * config/i386/darwin-libgcc.10.4.ver: New.
6426         * config/i386/darwin-libgcc.10.5.ver: New.
6427         * config/i386/t-darwin: New.
6428         * config/rs6000/darwin-libgcc.10.4.ver: New.
6429         * config/rs6000/darwin-libgcc.10.5.ver: New.
6430         * config/rs6000/darwin.h (REAL_LIBGCC_SPEC): Delete.
6431         * config/rs6000/t-darwin (SHLIB_VERPFX): Define.
6432
6433 2005-09-28  Paul Brook  <paul@codesourcery.com>
6434
6435         * config/m68k/fpgnulib.c (__extendsfdf2, __truncdfsf2): Handle
6436         denormals.
6437
6438 2005-09-28  Richard Guenther  <rguenther@suse.de>
6439
6440         PR tree-optimization/23853
6441         * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use
6442         host_integerp to verify misalignment value.
6443
6444 2005-09-28  Richard Henderson  <rth@redhat.com>
6445
6446         * builtins.c (get_builtin_sync_mode): New.
6447         (expand_builtin_sync_operation): Pass in mode argument.
6448         (expand_builtin_compare_and_swap): Likewise.
6449         (expand_builtin_lock_test_and_set): Likewise.
6450         (expand_builtin_lock_release): Likewise.
6451         (expand_builtin): Update to match.
6452
6453 2005-09-28  Nick Clifton  <nickc@redhat.com>
6454
6455         * config/v850/v850.h (GO_IF_LEGITIMATE_ADDRESS): Tidy up
6456         formatting.  Add check to PLUS case to ensure that the offset is
6457         within an acceptable range.
6458
6459         * config/v850/v850.md (casesi): Disable the generation of the
6460         switch pattern as it is not being handled properly at the moment.
6461
6462         * config/v850/lib1funcs.asm (___ucmpdi2): Correct jump instruction
6463         for when the high words are identical.
6464
6465 2005-09-27  Richard Henderson  <rth@redhat.com>
6466
6467         * pretty-print.c (pp_base_format): Fix typo for %>.
6468
6469 2005-09-27  Daniel Berlin  <dberlin@dberlin.org>
6470             Devang Patel  <dpatel@apple.com>
6471
6472         PR tree-optimization/23625
6473         * tree-flow-inline.h (bsi_after_labels): Remove, first statement is
6474         LABEL_EXPR, assertion check.
6475
6476 2005-09-27  J"orn Rennecke <joern.rennecke@st.com>
6477
6478         * optabs.c (no_conflict_move_test): Check if a result of a
6479         to-be-moved insn would be clobbered by an originally
6480         preceding insn.
6481
6482 2005-09-27  Jeff Law  <law@redhat.com>
6483
6484         * passes.c (init_optimization_passes): Replace copy propagation
6485         passes immediately after DOM with phi-only copy propagation
6486         pases.  Add phi-only copy propagation pass after first DOM pass.
6487         * tree-pass.h (pass_phi_only_copy_prop): Declare.
6488         * tree-ssa-copy.c (init_copy_prop): Accept new PHI_ONLY argument.
6489         If true, then mark all non-control statements with DONT_SIMULATE_AGAIN.
6490         (execute_copy_prop): Accept new PHI_ONLY argument.  Pass it along
6491         to init_copy_prop.  Callers updated.
6492         (do_phi_only_copy_prop): New function.
6493         (pass_phi_only_copy_prop): New pass descriptor.
6494
6495 2005-09-27  Nick Clifton  <nickc@redhat.com>
6496
6497         * libgcc2.c (__popcount_tab): Remove redundant prototype.
6498
6499 2005-09-26  Jason Merrill  <jason@redhat.com>
6500
6501         PR c++/13764
6502         * c-common.c (finish_fname_decls): Use append_to_statement_list_force.
6503
6504         * doc/invoke.texi: Clarify documentation of -fno-enforce-eh-specs.
6505
6506 2005-09-26  James E Wilson  <wilson@specifix.com>
6507
6508         * config/ia64/crtbegin.asm, config/ia64/crtend.asm: Remove glibc
6509         copyright.  Add gcc copyright plus libgcc exception.
6510         * config/ia64/crtfastmath.asm: Remove glibc copyright.  Add gcc
6511         copyright.
6512         * config/ia64/lib1funcs.asm: Add gcc copyright plus libgcc exception.
6513
6514 2005-09-26  Jeff Law  <law@redhat.com>
6515
6516         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Be more selective
6517         about when to iterate.
6518
6519 2005-09-23  Fariborz Jahanian <fjahanian@apple.com>
6520
6521         PR target/23847
6522         * config/rs6000/rs6000.c (rs6000_function_value): Parallel pattern
6523         for __complex__ double in -mcpu=G5 mode.
6524
6525 2005-09-26  Sebastian Pop  <pop@cri.ensmp.fr>
6526
6527         PR tree-optimization/23942
6528         * Makefile.in (SCEV_H): Depends on PARAMS_H.
6529         * tree-scalar-evolution.c: Include params.h.
6530         (t_bool): New enum.
6531         (follow_ssa_edge, follow_ssa_edge_in_rhs,
6532         follow_ssa_edge_in_condition_phi_branch,
6533         follow_ssa_edge_in_condition_phi, follow_ssa_edge_inner_loop_phi):
6534         Change return type to t_bool.  Use a parameter to limit the size of
6535         trees that are walked before stopping
6536         (analyze_evolution_in_loop): Initialize the limit to 0.
6537         (follow_ssa_edge): Give up by returning t_dont_know if the limit
6538         exceeds PARAM_SCEV_MAX_EXPR_SIZE.
6539
6540 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6541
6542         PR middle-end/23831
6543         * simplify-rtx.c (simplify_immed_subreg) [MODE_INT]: Skip
6544         simplification if elem_bitsize > 2 * HOST_BITS_PER_WIDE_INT.
6545
6546 2005-09-26    Fariborz Jahanian <fjahanian@apple.com>
6547
6548         * combine.c (make_extraction): Check for valid use of subreg.
6549
6550 2005-09-26  Uros Bizjak  <uros@kss-loka.si>
6551
6552         PR target/24055
6553         * config/i386/i386.md ("*fistdi2_1"): New pattern.
6554         ("*fist<mode>2_1"): Use only HImode and SImode register operands.
6555         ("fist<mode>2_with_temp"): Use only register operands.
6556
6557 2005-09-26  J"orn Rennecke <joern.rennecke@st.com>
6558
6559         * rtlanal.c (reg_used_between_p): Don't check for CLOBBERs in
6560         CALL_INSN_FUNCTION_USAGE.
6561
6562 2005-09-26  Richard Guenther  <rguenther@suse.de>
6563
6564         PR middle-end/15855
6565         * gcse.c: Include hashtab.h, define ldst entry hashtable.
6566         (pre_ldst_expr_hash, pre_ldst_expr_eq): New functions.
6567         (ldst_entry): Use the hashtable instead of list-walking.
6568         (find_rtx_in_ldst): Likewise.
6569         (free_ldst_entry): Free the hashtable.
6570         (compute_ld_motion_mems): Create the hashtable.
6571         (trim_ld_motion_mems): Remove entry from hashtable if
6572         removing it from list.
6573         (compute_store_table): Likewise^2.
6574         (store_motion): Free hashtable in case we did not see
6575         any stores.
6576
6577 2005-09-25  Kazu Hirata  <kazu@codesourcery.com>
6578
6579         * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
6580         and arg1 if we are passing them to fold_build2.
6581
6582 2005-09-25  Dan Nicolaescu  <dann@ics.uci.edu>
6583
6584         PR 23828
6585         * config/i386/i386.c (ix86_function_regparm): Fix the test for
6586         a nested function.
6587
6588 2005-09-25  Richard Henderson  <rth@redhat.com>
6589
6590         * config/alpha/alpha.c (tls_symbolic_operand_1): Trust
6591         SYMBOL_REF_TLS_MODEL to be correct.
6592
6593 2005-09-24  Richard Henderson  <rth@redhat.com>
6594
6595         * ipa-type-escape.c (discover_unique_type): Remove dead code at
6596         end of function.  Reindent.
6597
6598 2005-09-24  Ian Lance Taylor  <ian@airs.com>
6599
6600         * convert.c (convert_to_integer): Don't test for ENUMERAL_TYPE in
6601         NEGATE_EXPR/BIT_NOT_EXPR case.
6602
6603 2005-09-24  Richard Henderson  <rth@redhat.com>
6604
6605         * c-common.c (handle_mode_attribute): When not modifying in place,
6606         create subtypes for enumerations.
6607         (sync_resolve_return): Use TYPE_MAIN_VARIANT.
6608         * gimplify.c (create_tmp_from_val): Likewise.
6609
6610 2005-09-24  Alexandre Oliva  <aoliva@redhat.com>
6611
6612         * config/i386/i386.md (*tls_global_dynamic_64,
6613         *tls_local_dynamic_base_64): Add missing mode to call.
6614         (tls_global_dynamic_64, tls_local_dynamic_base_64): Likewise.
6615
6616 2005-09-24  Jan Hubicka  <jh@suse.cz>
6617
6618         * cgraph.c (cgraph_clone_edge): Make the scale gcov_type.
6619         (cgraph_clone_node): Likewise.
6620         * cgraph.h (cgraph_clone_edge): Update prototype.
6621         (cgraph_mark_inline_edge, cgraph_clone_inlined_nodes): Remove
6622         duplicated prototypes; add updating argument.
6623         * cgraphunit.c (verify_cgraph_node): Verify that counts are non-negative.
6624         * ipa-inline.c (cgraph_clone_inlined_nodes): Allow clonning without
6625         updating profile.
6626         (cgraph_mark_inline_edge): Likewise.
6627         (cgraph_mark_inline): Update use of cgraph_mark_inline_edge.
6628         (cgraph_flatten_node): Likewise.
6629         (cgraph_decide_recursive_inlining): Likewise.
6630         (cgraph_decide_inlining_of_small_function): Likewise.
6631         * tree-optimize.c (tree_rest_of_compilation): Likewise.
6632
6633 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6634             Pete Steinmetz <steinmtz@us.ibm.com>
6635
6636         * config/rs6000/rs6000.md (neg-minus-mult): Set type to dmul.
6637         (rldic.): Set type to "compare".
6638         (rldicr.): Same.
6639         (movsf_hardfloat): Set type to mtjmpr for MTCTR/MTLR.  Set type to
6640         mfjmpr for MFCTR/MFLR.
6641         (movdf_hardfloat64): Same.
6642         (movdf_softfloat64): Same.  Correct order of store and move types.
6643         (movti_string): Set type to store_ux/load_ux.
6644         (load_multiple): Set type to load_ux.
6645         (store_multiple): Set type to store_ux.
6646         (movmemsi): Set type to store_ux.
6647         (output_cbranch direct_return): Set type to jmpreg.
6648         (stmw): Set type to store_ux.
6649         (lmw): Set type to load_ux.
6650         * config/rs6000/40x.md (ppc403-store): Increase latency to 2.
6651         * config/rs6000/440.md (ppc440-store): Increase latency to 6.
6652         * config/rs6000/603.md (ppc603-store): Occupy LSU for 2 cycles.
6653         * config/rs6000/6xx.md (ppc604-store): Increase latency to 3.
6654         * config/rs6000/mpc.md (mpccore-store): Increase latency to 2.
6655         * config/rs6000/rios1.md (rios1-store): Increase latency to 2.
6656         (rios1-fpstore): Increase latency to 3.
6657         * config/rs6000/rios2.md (rios2-store): Increase latency to 2.
6658         * config/rs6000/rs64.md (rs64a-store): Increase latency to 2.
6659
6660 2005-09-23  David Edelsohn  <edelsohn@gnu.org>
6661             Andrew Pinski  <pinskia@physics.uc.edu>
6662
6663         * config/rs6000/sync.md (sync_<fetchop_name>si_internal): Change
6664         operand2 constraint to "b".
6665         (sync_<fetchop_name>di_internal): Same.
6666         (sync_old_<fetchop_name>si_internal): Change operand3 constraint
6667         to "b".
6668         (sync_old_<fetchop_name>di_internal): Same.
6669         (sync_new_<fetchop_name>si_internal): Same.
6670         (sync_new_<fetchop_name>di_internal): Same.
6671
6672 2005-09-23  J"orn Rennecke <joern.rennecke@st.com>
6673
6674         PR middle-end/23991
6675         * final.c (insn_default_length, insn_min_length): In !HAVE_ATTR_length
6676         case, define as macros.
6677
6678         PR rtl-optimization/23837
6679         *  optabs.c (no_conflict_move_test): Don't set must_stay for a
6680         clobber / clobber match between dest and p->first.
6681
6682         * optabs.c (emit_libcall_block): Use no_conflict_move_test.
6683         (no_conflict_move_test): Update comments.
6684
6685 2005-09-22  Ranjit Mathew  <rmathew@gcc.gnu.org>
6686
6687         * doc/install.texi: Update URL for Jacks.
6688         * doc/sourcebuild.texi: Likewise.
6689
6690 2005-09-22  David Edelsohn  <edelsohn@gnu.org>
6691
6692         PR target/24007
6693         * config/rs6000/rs6000.md (movsf_hardfloat): Ignore special
6694         registers when choosing register preferences.
6695         (movdf_hardfloat64): Same.
6696
6697 2005-09-22  Andreas Krebbel  <krebbel1@de.ibm.com>
6698
6699         * expmed.c (expand_shift): Don't use the target of the rotate as
6700         target for the first expanded shift insn.
6701         * testsuite/gcc.dg/20050922-1.c: Testcase added.
6702
6703 2005-09-21  Zdenek Dvorak  <dvorakz@suse.cz>
6704
6705         PR tree-optimization/22438
6706         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Handle all
6707         preserved iv rhs rewriting specially.
6708
6709 2005-09-21  Daniel Berlin  <dberlin@dberlin.org>
6710
6711         * tree-data-ref.c (analyze_array_indexes): Only estimate when
6712         estimate_only  is true.
6713         * tree-flow.h (ref_contains_indirect_ref): New prototype.
6714         * tree-flow-inline.h (ref_contains_indirect_ref): Moved from
6715         tree-ssa-structalias.c
6716         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Use
6717         ref_contains_indirect_ref.
6718         * tree-ssa-structalias.c (ref_contains_indirect_ref): Moved.
6719
6720 2005-09-21  DJ Delorie  <dj@redhat.com>
6721
6722         * config/mn10300/mn10300.c (TARGET_DEFAULT_TARGET_FLAGS): Add
6723         MASK_PTR_A0D0.
6724         (mn10300_return_in_memory): Support variable size types also.
6725         (mn10300_pass_by_reference): Likewise.
6726         (mn10300_function_value): New.
6727         * config/mn10300/mn10300.h (FUNCTION_VALUE): Call the above.
6728         (FUNCTION_OUTGOING_VALUE): Likewise.
6729         * config/mn10300/mn10300.opt: Add -mreturn-pointer-on-d0.
6730         * doc/invoke.texi: Document it.
6731
6732 2005-09-21  Uros Bizjak  <uros@kss-loka.si>
6733
6734         PR target/22585
6735         * config/i386/i386.c (ix86_prepare_fp_compare_args): Do not
6736         force integer op1 into register for XFmode compares.
6737
6738 2005-09-21  Kazu Hirata  <kazu@codesourcery.com>
6739
6740         PR middle-end/23971
6741         * expmed.c (alg_code): Add alg_impossible.
6742         (alg_hash_entry): Add cost.
6743         (synth_mult): Record alg_impossible in the hash table if
6744         multiplication by a given integer is impossble within the
6745         limit.  Speed up using alg_impossible.
6746
6747 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6748
6749         * tree-ssa-structalias.c (get_constraint_for_component_ref): Add
6750         argument.  Allow and set any offset if needs_anyoffset is passed
6751         in.
6752         (get_constraint_for): Add argument here too.
6753         Pass it down.
6754         (do_structure_copy): Pass NULL to get_constraint_for.
6755         (handle_ptr_arith): Ditto.
6756         (find_func_aliases): Ditto.
6757
6758 2005-09-20  J"orn Rennecke <joern.rennecke@st.com>
6759
6760         PR rtl-optimization/23898
6761         * output.h (get_attr_min_length): Declare.
6762         * final.c (get_attr_length_1): New function, broken out of:
6763         (get_attr_length).
6764         (get_attr_min_length): New function.
6765         * bb-reorder.c (copy_bb_p, get_uncond_jump_length): Use it.
6766         (duplicate_computed_gotos): Likewise.
6767         * genattr.c (insn_min_length): Generate declaration.
6768         * genattrtab.c (min_fn, min_attr_value): New functions.
6769         (make_length_attrs): Generate insn_min_length.
6770
6771 2005-09-20  Steve Ellcey  <sje@cup.hp.com>
6772
6773         * config/pa/pa.c (output_cbranch): Check for zero in operands[2].
6774
6775 2005-09-20  Richard Henderson  <rth@redhat.com>
6776
6777         PR tree-optimization/24059
6778         * expr.c (expand_expr_real_1) <INDIRECT_REF>: Allow modifier
6779         EXPAND_STACK_PARM.
6780
6781 2005-09-20  Joseph S. Myers  <joseph@codesourcery.com>
6782
6783         * c.opt (fextended-identifiers): New.
6784         * c-opts.c (c_common_handle_option): Handle
6785         -fextended-identifiers.
6786         * doc/cpp.texi: Update documentation of extended identifiers.
6787         * doc/cppopts.texi (-fextended-identifiers): Document.
6788
6789 2005-09-20  Jakub Jelinek  <jakub@redhat.com>
6790
6791         PR tree-optimization/23929
6792         * tree-ssa-loop-niter.c (expand_simple_operations): Return immediately
6793         if expr is NULL.
6794
6795         PR tree-optimization/23818
6796         * tree-stdarg.c (execute_optimize_stdarg): Call
6797         calculate_dominance_info.
6798
6799 2005-09-20  Daniel Berlin  <dberlin@dberlin.org>
6800
6801         * tree-data-ref.c (get_number_of_iters_for_loop): New function.
6802         (analyze_siv_subscript_cst_affine): Add weak SIV test.
6803         (compute_overlap_steps_for_affine_1_2): Use
6804         get_number_of_iters_for_loop.
6805         (analyze_subscript_affine_affine): Check whether difference is
6806         zero first.
6807         Use get_number_of_iters_for_loop.
6808         Check whether overlap occurs outside of bounds.
6809         (analyze_miv_subscript): Use get_number_of_iters_for_loop.
6810
6811 2005-09-20  Andreas Krebbel  <krebbel1@de.ibm.com>
6812
6813         * tree-ssa-address.c (create_mem_ref): Put the symbol reference into the
6814         base register if possible.
6815
6816 2005-09-20  Zdenek Dvorak  <dvorakz@suse.cz>
6817
6818         PR tree-optimization/18463
6819         * tree-chrec.c (chrec_convert): Return fold_converted chrec if
6820         converting it directly is not possible.
6821         (chrec_convert_aggressive): New function.
6822         * tree-chrec.h (chrec_convert_aggressive): Declare.
6823         * tree-scalar-evolution.c (instantiate_parameters_1, resolve_mixers):
6824         Fold chrec conversions aggressively if asked to.
6825         (instantiate_parameters): Modified because of changes in
6826         instantiate_parameters_1.
6827
6828 2005-09-19  Richard Henderson  <rth@redhat.com>
6829
6830         * config/i386/sse.md (reduc_splus_v4sf): Rename from reduc_plus_v4sf.
6831         (reduc_splus_v2df): New.
6832
6833 2005-09-19  Richard Sandiford  <richard@codesourcery.com>
6834
6835         * config/arm/aof.h (REGISTER_NAMES): Add missing backslash.
6836         (ADDITIONAL_REGISTER_NAMES): Add missing comma.  Remove final comma.
6837
6838 2005-09-19  Richard Henderson  <rth@redhat.com>
6839
6840         * config/i386/sse.md (vcondu<SSEMODE124>): Rename from
6841         vcondu<SSEMODE12>.
6842
6843 2005-09-19  Richard Henderson  <rth@redhat.com>
6844
6845         * config/ia64/ia64.c (ia64_expand_widen_sum): New.
6846         (ia64_expand_dot_prod_v8qi): New.
6847         * config/ia64/ia64-protos.h: Update.
6848         * config/ia64/vect.md (pmpy2_r, pmpy2_l, widen_usumv8qi3,
6849         widen_usumv4hi3, widen_ssumv8qi3, widen_ssumv4hi3, udot_prodv8qi,
6850         sdot_prodv8qi, sdot_prodv4hi): New.
6851         (reduc_splus_v2sf): Rename from reduc_plus_v2sf.
6852
6853 2005-09-19  Richard Henderson  <rth@redhat.com>
6854
6855         PR 23941
6856         * real.c (exact_real_truncate): Return false if the format cannot
6857         represent the number as a normal.
6858
6859         * config/alpha/alpha.c (alpha_rtx_costs) <FLOAT_EXTEND>: Cost 0
6860         for a memory source.
6861
6862 2005-09-19  Dorit Nuzman  <dorit@il.ibm.com>
6863
6864         * tree-ssa-operands.c (swap_tree_operands): Export.
6865         * tree.h (swap_tree_operands): Declare.
6866         * tree-vectorizer.c (vect_is_simple_reduction): Remove ATTRIBUTE_UNUSED.
6867         Call swap_tree_operands.
6868
6869 2005-09-19  Richard Henderson  <rth@redhat.com>
6870
6871         * tree-flow.h (merge_alias_info): Declare.
6872         * tree-ssa-copy.c (merge_alias_info): Export.
6873         * tree-vect-transform.c (vect_create_index_for_vector_ref): Remove.
6874         (vect_create_data_ref_ptr): Use create_iv directly.
6875         (vectorizable_load): Use correct types for integer constants.
6876         (vect_generate_tmps_on_preheader): Likewise.
6877         (vect_gen_niters_for_prolog_loop): Likewise.
6878
6879 2005-09-19  Steven Bosscher  <stevenb@suse.de>
6880
6881         PR rtl-optimization/23943
6882         * cse.c (find_best_addr): Never propagate an EXPR_LIST rtx.
6883
6884 2005-09-18  Jan Hubicka  <jh@suse.cz>
6885
6886         * calls.c (flags_from_decl_or_type): Do not set ECF_LIBCALL_BLOCK.
6887
6888 2005-09-18  Eric Botcazou  <ebotcazou@adacore.com>
6889
6890         * varasm.c (output_constant): Do not abort on conversions to union
6891         types between different sizes.
6892
6893 2005-09-18  Richard Guenther  <rguenther@suse.de>
6894
6895         PR middle-end/23944
6896         * gimplify.c (fold_indirect_ref_rhs): Fix thinko in
6897         fallback.
6898
6899 2005-09-18  Paul Brook  <paul@codesourcery.com>
6900
6901         * config/m68k/fpgnuib.c (__floatsidf): Don't rely on signed overflow.
6902
6903 2005-09-17  Richard Henderson  <rth@redhat.com>
6904
6905         * tree-pass.h, tree-flow.h, tree-ssa-dce.c: Revert last change.
6906         * tree-ssa-loop.c (pass_vect_dce): Remove.
6907         * passes.c (init_optimization_passes): Add pass_dce as a sub-pass
6908         of pass_vectorize.
6909
6910 2005-09-17  Richard Henderson  <rth@redhat.com>
6911
6912         * tree-pass.h (pass_vect_dce): Declare.
6913         * passes.c (init_optimization_passes): Add it.
6914         * tree-flow.h (tree_ssa_dce): Declare.
6915         * tree-ssa-dce.c (tree_ssa_dce): Export.
6916         * tree-ssa-loop.c (tree_vectorize): Move current_loops check ...
6917         (gate_tree_vectorize): ... here.
6918         (pass_vect_dce): New.
6919
6920 2005-09-17  Jan Hubicka  <jh@suse.cz>
6921
6922         * except.c (struct eh_status): Turn region_array into vec.
6923         (expand_resx_expr, collect_eh_region_array, remove_unreachable_regions,
6924         convert_from_eh_region_ranges, find_exception_handler_labels,
6925         current_function_has_exception_handlers, assign_filter_values,
6926         build_post_landing_pads, dw2_build_landing_pads,
6927         sjlj_find_directly_reachable_regions, sjlj_mark_call_sites,
6928         sjlj_emit_dispatch_table, remove_eh_handler, for_each_eh_region,
6929         foreach_reachable_handler, can_throw_internal_1,
6930         convert_to_eh_region_ranges, verify_eh_tree): Update uses of
6931         region_array.
6932         (duplicate_eh_region_1): Update region_array.
6933         (duplicate_eh_regions): Resize region_array and avoid recomputing.
6934
6935 2005-09-17  David Edelsohn  <edelsohn@gnu.org>
6936
6937         PR middle-end/22067
6938         * expmed.c (expand_mult): Substitute simple register for op0 when
6939         computing max_cost.
6940
6941 2005-09-17  Richard Henderson  <rth@redhat.com>
6942
6943         * expr.c (emit_move_via_integer): Add force argument, pass it on
6944         to emit_move_change_mode.  Update callers.
6945         (emit_move_complex): Pass true to new force argument.
6946         * function.c (expand_function_end): Move expand_eh_return call
6947         earlier.  Merge sub-word complex values into a pseudo before
6948         copying to the return hard register.
6949
6950 2005-09-17  Eric Botcazou  <ebotcazou@adacore.com>
6951
6952         * varasm.c (output_constant): Do not abort on VIEW_CONVERT_EXPRs
6953         between different sizes.
6954
6955 2005-09-16  Paolo Bonzini  <bonzini@gnu.org>
6956
6957         PR 23903
6958
6959         * passes.c (init_optimization_passes): Register dump files for
6960         IPA passes first.
6961
6962 2005-09-16  Andreas Krebbel  <krebbel1@de.ibm.com>
6963
6964         * config/s390/s390-protos.h (s390_overlap_p): Prototype added.
6965         * config/s390/s390.c (s390_overlap_p): New function.
6966         * config/s390/s390.md ("*mvc" peephole2, "*nc" peephole2, "*oc"
6967         peephole2, "*xc" peephole2): Added overlap check to the peephole2
6968         condition.
6969
6970 2005-09-16  Richard Guenther  <rguenther@suse.de>
6971
6972         * ipa-pure-const.c (static_execute): Free auxiliar information.
6973         * ipa-type-escape.c (discover_unique_type): Free temporary key.
6974         * tree-vrp.c (remove_range_assertions): Free blocks_visited sbitmap.
6975
6976 2005-09-15  DJ Delorie  <dj@redhat.com>
6977
6978         * config/m32c/m32c-lib1.S (__m32c_eh_return): Fix typo.
6979
6980 2005-09-15  Paolo Bonzini  <bonzini@gnu.org>
6981
6982         * optabs.c (expand_binop): Use swap_commutative_operands_with_target
6983         to order operands.
6984         (swap_commutative_operands_with_target): New.
6985
6986 2005-09-15  Daniel Berlin  <dberlin@dberlin.org>
6987
6988         * tree-data-ref.c (analyze_array_indexes): Add estimate_only
6989         parameter.
6990         Update callers.
6991         (estimate_iters_using_array): New function.
6992         * tree-data-ref.h (estimate_iters_using_array): Prototype
6993         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
6994         Use estimate_iters_using_array instead of analyze_array.
6995
6996 2005-09-15  Eric Botcazou  <ebotcazou@adacore.com>
6997
6998         * tree-nested.c (get_frame_type): Mark the "non-local frame structure"
6999         as addressable.
7000
7001 2005-09-15  Michael Matz  <matz@suse.de>
7002
7003         * tree-vrp.c (vrp_int_const_binop <MINUS_EXPR>): Handle 0 - -INF.
7004
7005 2005-09-14  Daniel Berlin  <dberlin@dberlin.org>
7006
7007         PR tree-optimization/23835
7008         * tree-ssa-alias.c (sort_pointers_by_pt_vars): New function.
7009         (create_name_tags): Rewrite to be not O(num_ssa_names^2).
7010
7011 2005-09-14  Richard Henderson  <rth@redhat.com>
7012
7013         * config/ia64/vect.md (addv2sf3, subv2sf3): Rewrite as expand.
7014         (addv2sf3_1, addv2sf3_2, subv2sf3_1, subv2sf3_2): New.
7015
7016 2005-09-14  Andrew Pinski  <pinskia@physics.uc.edu>
7017
7018         * config/i386/i386.c (contains_128bit_aligned_vector_p): Add break
7019         in the ARRAY_TYPE case.
7020
7021 2005-09-14  Eric Botcazou  <ebotcazou@adacore.com>
7022
7023         * tree.c (substitute_in_expr, case 4): New case, for ARRAY_REF.
7024
7025 2005-09-14  Uros Bizjak  <uros@kss-loka.si>
7026
7027         PR middle-end/22480
7028         * tree-vect-transform.c (vectorizable_operation): Return false for
7029         scalar shift operations and for vector shift operations with
7030         non-invariant shift arguments.  Use scalar tree operand op1 as
7031         a shift operand when vector shift insn pattern uses scalar shift
7032         operand.
7033         * Makefile.in (tree-vect-transform.o): Depend on recog.h.
7034
7035 2005-09-14  Olivier Hainque  <hainque@adacore.com>
7036
7037         * gimplify.c (gimplify_init_ctor_eval): Don't discard a zero-sized
7038         value if it has side-effects.
7039
7040 2005-09-14  David Edelsohn  <edelsohn@gnu.org>
7041
7042         PR target/22068
7043         * config/rs6000/rs6000.md (muldi3): Add mulli alternative.
7044
7045 2005-09-14  Alan Modra  <amodra@bigpond.net.au>
7046
7047         * config/rs6000/linux64.h (DBX_OUTPUT_BRAC): Treat function name
7048         passed as NAME as if it were label at start of function code.
7049
7050 2005-09-13  Kaz Kojima  <kkojima@gcc.gnu.org>
7051
7052         * config/sh/sh.md (*movv4sf_i): Add general register cases to
7053         the constraints.
7054
7055 2005-09-13  Andrew Pinski  <pinskia@physics.uc.edu>
7056
7057         * config/rs6000/darwin.md (movdf_low_si): Mark the outgoing r constraint
7058         as early clobber.  Rewrite so the PIC register is not implicitly used.
7059
7060 2005-09-13  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
7061
7062         * tree.c (annotate_with_file_line): Compare line numbers before
7063         file names.
7064
7065 2005-09-13  Uros Bizjak  <uros@kss-loka.si>
7066
7067         PR target/23816
7068         * config/i386/sse.md (*ieee_sminv4sf3, *ieee_smaxv4sf3)
7069         (*ieee_sminv2df3, *ieee_smaxv2df3): New insn patterns.
7070
7071 2005-09-13  Ian Lance Taylor  <ian@airs.com>
7072
7073         * loop-doloop.c (doloop_modify): Use GEN_INT to pass an rtx rather
7074         than a HOST_WIDEST_INT to gen_doloop_begin.
7075
7076 2005-09-13  Diego Novillo  <dnovillo@redhat.com>
7077
7078         * tree-dfa.c (dump_variable): Guard against NULL annotations.
7079
7080 2005-09-13  Zdenek Dvorak  <dvorakz@suse.cz>
7081
7082         PR tree-optimize/23817
7083         * tree-cfg.c (tree_merge_blocks): Preserve loop closed ssa.
7084
7085 2005-09-13  Alan Modra  <amodra@bigpond.net.au>
7086
7087         PR target/23774
7088         * config/rs6000/rs6000.md (restore_stack_block): Write the backchain
7089         word before changing the stack pointer.  Use gen_frame_mem for MEMs.
7090         Use UNSPEC_TIE to prevent insn scheduling reordering the insns.
7091         (restore_stack_nonlocal): Likewise.
7092         (save_stack_nonlocal): Use template to emit insns, and gen_frame_mem.
7093
7094 2005-09-12  Ian Lance Taylor  <ian@airs.com>
7095
7096         PR g++/7874
7097         * c.opt (ffriend-injection): New C++ option.
7098         * doc/invoke.texi (Option Summary): Mention -ffriend-injection.
7099         (C++ Dialect Options): Document -ffriend-injection.
7100
7101 2005-09-12  Josh Conner  <jconner@apple.com>
7102
7103         PR middle-end/23237
7104         * ipa-reference.c (static_execute): Don't mark variables in
7105         named sections TREE_READONLY.
7106
7107 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
7108
7109         * config/rs6000/rs6000.c (get_next_active_insn): Simplify test for
7110         stack_tie.
7111
7112 2005-09-12  Andrew Pinski  <pinskia@physics.uc.edu>
7113
7114         * tree-ssa-dse.c (dse_optimize_stmt): Fix up all of V_MAY_DEF and
7115         V_MUST_DEF instead of just the first_use_p.
7116         Don't mark the virtual variables for renaming on the statement which
7117         is being removed.
7118         (pass_dse): Remove TODO_update_ssa.
7119
7120 2005-09-12  J"orn Rennecke <joern.rennecke@st.com>
7121
7122         PR middle-end/23290
7123         * stor-layout.c (compute_record_mode): For records with a single
7124         field, actually check the field's mode size against the type size.
7125
7126         * sh.h (HARD_REGNO_MODE_OK): Allow V4SFmode in general purpose
7127         registers for TARGET_SHMEDIA.
7128         (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS): Rename
7129         GENERAL_FP_REGS to GENERAL_DF_REGS.  Add GENERAL_FP_REGS as union
7130         of GENERAL_REGS and FP_REGS.
7131
7132 2005-09-12  Bernd Schmidt  <bernd.schmidt@analog.com>
7133
7134         * config/bfin/bfin.c (legimitize_pic_address): Use gen_const_mem.
7135
7136 2005-09-12  Alan Modra  <amodra@bigpond.net.au>
7137
7138         * config/rs6000/rs6000.c (get_next_active_insn): Rewrite using
7139         CALL_P, JUMP_P and NONJUMP_INSN_P, so that barriers and labels
7140         are omitted.  Exclude stack_tie insn too.
7141
7142 2005-09-11  David Edelsohn  <edelsohn@gnu.org>
7143
7144         PR rtl-optimization/23098
7145         * config/rs6000/predicates.md (easy_fp_constant): SFmode constant
7146         0.0f is easy.
7147         * config/rs6000/rs6000.md (movdf splitter): Use
7148         const_double_operand predicate for TARGET_POWERPC64.
7149         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Expand
7150         SYMBOL_REF method to ABI_V4.
7151
7152         * config/rs6000/altivec.md (build_vector_mask_for_load): Use
7153         replace_equiv_address.
7154         * config/rs6000/rs6000.c (rs6000_emit_eh_reg_restore): Mark MEM as
7155         rs6000_sr_alias_set and MEM_NOTRAP.
7156         (rs6000_aix_emit_builtin_unwind_init): Use gen_frame_mem().
7157
7158 2005-09-11  Eric Botcazou  <ebotcazou@adacore.com>
7159
7160         * tree.c (contains_placeholder_p) <tcc_expression>: Properly
7161         handle CALL_EXPR again.
7162
7163 2005-09-11  Richard Earnshaw  <richard.earnshaw@arm.com>
7164
7165         * arm/predicates.md (alignable_memory_operand): Delete.
7166
7167 2005-09-10  Richard Henderson  <rth@redhat.com>
7168
7169         PR debug/23806
7170         * dbxout.c (dbxout_expand_expr): New.
7171         (dbxout_symbol): Use it.
7172
7173 2005-09-10  Richard Earnshaw  <richard.earnshaw@arm.com>
7174
7175         * arm.c (arm_gen_rotated_half_load): Delete.
7176         (vfp_emit_fstmx, arm_set_return_address): Use gen_frame_mem.
7177         (emit_multi_reg_push, emit_sfm, arm_expand_prologue)
7178         (thumb_set_return_address): Likewise.
7179         (thumb_load_double_from_address): Use adjust_address.
7180         * arm.md (splits calling arm_gen_rotated_half_load): Delete.
7181         (extendhsisi2_mem, movhi_bytes): Use change_address.
7182         (movhi): Use widen_memory_access.
7183         (reload_out_df): Use replace_equiv_address.
7184         * arm-protos.h (arm_gen_rotated_half_load): Delete prototype.
7185
7186 2005-09-09  Richard Henderson  <rth@redhat.com>
7187
7188         PR debug/20998
7189         * dbxout.c: Include expr.h.
7190         (dbxout_global_decl): Don't suppress for DECL_RTL unset.
7191         (dbxout_symbol): Handle DECL_VALUE_EXPR.
7192         * Makefile.in (dbxout.o): Add EXPR_H.
7193
7194 2005-09-09  Zdenek Dvorak  <dvorakz@suse.cz>
7195
7196         PR tree-optimization/23509
7197         * tree-cfg.c (replace_uses_by): Use replace_exp.
7198         * tree-ssa-loop-ivopts.c (get_ref_tag): Assert that dereferenced
7199         pointers have name_mem_tag or type_mem_tag set.
7200
7201 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
7202
7203         * tree-chrec.c (evolution_function_is_invariant_rec_p): Use
7204         CHREC_LEFT and CHREC_RIGHT for accessing chrec components instead
7205         of wrongly accessing operands.
7206
7207 2005-09-09  Sebastian Pop  <pop@cri.ensmp.fr>
7208
7209         * Makefile.in (tree-chrec.o): Depends on SCEV_H.
7210         * tree-chrec.c: Include tree-scalar-evolution.h.
7211         (chrec_convert): Instantiate the base and step before calling
7212         scev_probably_wraps_p that would fail on parametric evolutions.
7213         Collect all the fails into a single section failed_to_convert,
7214         print a diagnostic, and return chrec_dont_know instead of calling
7215         fold_convert.
7216         * tree-scalar-evolution.c (loop_closed_phi_def): New.
7217         (instantiate_parameters_1): Avoid instantiation of loop closed ssa
7218         phi nodes.
7219         (scev_const_prop): Don't replace the definition of a loop closed ssa
7220         phi node by itself, or by another loop closed ssa phi node.
7221         * tree-ssa-loop-niter.c (scev_probably_wraps_p, convert_step): Check
7222         that base and step are defined.
7223
7224 2005-09-09  Richard Guenther  <rguenther@suse.de>
7225
7226         PR c++/23624
7227         * fold-const.c (fold_ternary): Check truth_value_p before
7228         calling invert_truthvalue.
7229
7230 2005-09-09  Nick Clifton  <nickc@redhat.com>
7231
7232         * Makefile.in (LIBGCC_DEPS): Add libgcc2.h.
7233         * libgcc2.c (__clz_tab[], __popcount_tab[]): Set the fixed
7234         dimension of these arrays.
7235         * libgcc2.h (__clz_tab[], __popcount_tab[]): Add exports of
7236         these arrays.
7237         * longlong.h: Only provide a prototype for the __clz_tab[] array
7238         if this header has not been included from libgcc2.h.
7239         * config/stormy16/stormy16-lib2.c: Include libgcc2.h rather than
7240         defining own types.
7241         Provide prototypes for exported functions.
7242         Use the __clz_tab[] and __popcount_tab[] arrays provided by
7243         libgcc2.c.
7244
7245 2005-09-08  Josh Conner  <jconner@apple.com>
7246
7247         PR c++/21135
7248         PR c++/23180
7249         * expr.c (expand_expr_addr_expr_1): Don't invoke
7250         expand_simple_binop for EXPAND_INITIALIZER.
7251
7252 2005-09-08  Richard Henderson  <rth@redhat.com>
7253
7254         PR debug/23190
7255         * toplev.c (wrapup_global_declaration_1): Split out ...
7256         (wrapup_global_declaration_2): ... from ...
7257         (wrapup_global_declarations): ... here.  Return bool.
7258         (check_global_declaration_1): Split out ...
7259         (check_global_declarations): from here.
7260         (emit_debug_global_declarations): New.
7261         * toplev.h (wrapup_global_declaration_1, wrapup_global_declaration_2,
7262         check_global_declaration_1, emit_debug_global_declarations): Declare.
7263         * c-decl.c (c_write_global_declarations_1): Don't create a vector
7264         of decls.  Call wrapup_global_declaration_1,
7265         wrapup_global_declaration_2, check_global_declaration_1 directly.
7266         (c_write_global_declarations_2): New.
7267         (ext_block): New.
7268         (c_write_global_declarations): Call c_write_global_declarations_2.
7269         * langhooks.c (write_global_declarations): Call
7270         emit_debug_global_declarations.
7271
7272         * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Don't
7273         remove decls that have DECL_RTL_SET_P.
7274         * passes.c (rest_of_decl_compilation): Invoke
7275         cgraph_varpool_finalize_decl for all but functions.
7276
7277 2005-09-08  Eric Botcazou  <ebotcazou@libertysurf.fr>
7278
7279         * tree-vrp.c (extract_range_from_unary_expr): Do not set the range for
7280         the result of a conversion if the new min and max cannot be compared.
7281
7282 2005-09-08  Andreas Krebbel  <krebbel1@de.ibm.com>
7283
7284         * config/s390/s390.c (s390_sr_alias_set): Variable removed.
7285         (override_options): Setting s390_sr_alias_set removed.
7286         (save_fpr, save_gprs): Set alias set to vararg or frame.
7287         (restore_fpr, restore_gprs, s390_emit_prologue): Replace
7288         s390_sr_alias_set with get_frame_alias_set ().
7289         (s390_gimplify_va_arg): Replace s390_sr_alias_set with
7290         get_varargs_alias_set ().
7291
7292 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
7293
7294         PR objc/20574
7295         PR objc/19324
7296         * c-parser.c (c_parser_objc_method_definition): If the next
7297         token is not "{", error out and don't start the function.
7298
7299 2005-09-08  Andrew Pinski  <pinskia@physics.uc.edu>
7300
7301         * tree-vrp.c (extract_range_from_expr): Move the check for non
7302         nullness after the check for gimple invariant.
7303
7304 2005-09-08  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
7305
7306         * tree.c (host_integerp, tree_low_cst): Correct function comment.
7307
7308 2005-09-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
7309
7310         PR target/23747
7311         * config/m32r.md (movmemsi_internal): Canonicalize order of
7312         operands in PLUS component of template.
7313
7314 2005-09-07  Andreas Krebbel  <krebbel1@de.ibm.com>
7315
7316         * reload1.c (fixup_eh_region_note): Remove assertion.
7317         (fixup_abnormal_edges): Reverted removal of call to
7318         find_many_sub_basic_blocks made on 2005-08-31.
7319
7320 2005-09-07  Richard Henderson  <rth@redhat.com>
7321
7322         * function.c (ARG_POINTER_CFA_OFFSET): Move ...
7323         * defaults.h (ARG_POINTER_CFA_OFFSET): ... here.
7324         (INCOMING_FRAME_SP_OFFSET): Move from dwarf2out.c.
7325         * dwarf2out.c (struct cfa_loc): Change reg to unsigned int,
7326         rearrange for better packing.
7327         (INCOMING_FRAME_SP_OFFSET): Move to defaults.h.
7328         (lookup_cfa_1): Remove inline marker.
7329         (cfa_equal_p): Split out of ...
7330         (def_cfa_1): ... here.  Use INVALID_REGNUM.
7331         (build_cfa_loc): Handle !cfa->indirect.
7332         (frame_pointer_cfa_offset): New.
7333         (dbx_reg_number): Assert register elimination performed; do
7334         leaf register remapping.
7335         (reg_loc_descriptor): Avoid calling dbx_reg_number when unused.
7336         (eliminate_reg_to_offset): New.
7337         (based_loc_descr): Remove can_use_fbreg argument.  Use fbreg only
7338         for verifiably local stack frame addresses; re-base to CFA.
7339         (mem_loc_descriptor): Remove can_use_fbreg argument.
7340         (concat_loc_descriptor, loc_descriptor): Likewise.
7341         (containing_function_has_frame_base): Remove.
7342         (rtl_for_decl_location): Don't do register elimination or
7343         leaf register remapping here.
7344         (secname_for_decl): Split out from ..
7345         (add_location_or_const_value_attribute): ... here.
7346         (convert_cfa_to_loc_list): New.
7347         (compute_frame_pointer_to_cfa_displacement): New.
7348         (gen_subprogram_die): Use them.
7349         * tree.h (frame_base_decl): Remove.
7350         * var-tracking.c (frame_base_decl, frame_stack_adjust): Remove.
7351         (prologue_stack_adjust): Remove.
7352         (vt_stack_adjustments): Use INCOMING_FRAME_SP_OFFSET.
7353         (adjust_stack_reference): Re-base memories to arg_pointer_rtx.
7354         (set_frame_base_location): Remove.
7355         (compute_bb_dataflow, emit_notes_in_bb): Don't call it.
7356         (dump_attrs_list, dump_dataflow_set): Use string concatenation.
7357         (vt_add_function_parameters): Don't eliminate_regs.
7358         (vt_initialize): Don't create frame_base_decl.
7359
7360 2005-09-07  Eric Botcazou  <ebotcazou@libertysurf.fr>
7361
7362         * doc/install.texi (*-*-solaris2*): Clarify wording on the recommended
7363         version of GNU binutils for 4.x and later.
7364
7365 2005-09-06  Mark Mitchell  <mark@codesourcery.com>
7366
7367         * ggc-page.c (ggc_push_context): Remove.
7368         (ggc_pop_context): Likewise.
7369         * ggc.h (ggc_push_context): Remove.
7370         (ggc_pop_context): Likewise.
7371
7372 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7373
7374         PR target/8973
7375         * config/arc/arc.c (arc_output_function_epilogue): Update flags while
7376         returning from an interrupt handler.
7377
7378 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7379
7380         PR target/8972
7381         * config/arc/arc.c (output_shift): Add check for loop count when
7382         optimizing.
7383
7384 2005-09-06  Steven Bosscher  <stevenb@suse.de>
7385
7386         * tree-ssa-phiopt.c (conditional_replacement): Construct proper SSA
7387         form manually.
7388         (abs_replacement): Likewise.
7389         (pass_phiopt): Remove TODO_update_ssa.
7390
7391 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
7392
7393         PR c/23075
7394         * c-typeck.c (c_finish_return): Set TREE_NO_WARNING on RETURN_EXPR
7395         if "return with no value, in function returning non-void" warning
7396         has been issued.
7397         * tree-cfg.c (execute_warn_function_return): Don't look at
7398         RETURN_EXPRs with TREE_NO_WARNING set.
7399
7400         PR target/22362
7401         * config/i386/i386.c (ix86_function_regparm): Make sure automatic regparm
7402         for internal functions doesn't use registers used by global registers
7403         variables.  Use fewer register parameters if there are global register
7404         variables.
7405
7406 2005-09-06  Olivier Hainque  <hainque@adacore.com>
7407             Eric Botcazou  <ebotcazou@adacore.com>
7408
7409         PR middle-end/14997
7410         * expr.c (expand_expr_real) <normal_inner_ref>: Force op0 to mem
7411         when we would be extracting outside its bit span (bitpos+bitsize
7412         larger than its mode), possible with some VIEW_CONVERT_EXPRs from
7413         Ada unchecked conversions.
7414
7415 2005-09-06  Steven Bosscher  <stevenb@suse.de>
7416
7417         * tree-ssa-pre.c (try_look_through_load): New function.
7418         (compute_avail): Use it to try to look through loads for some
7419         more useful expressions.
7420
7421 2005-09-06  Saurabh Verma  <saurabh.verma@codito.com>
7422
7423         * simplify-rtx.c (simplify_binary_operation_1): Correct the
7424         condition for detecting cases like (a&a) and (a^a).
7425
7426 2005-09-06  Keith Besaw  <kbesaw@us.ibm.com>
7427
7428         * common.opt: Add option ftree-vect-loop-version.
7429         * params.def: Add --param vect-max-version-checks.
7430         * doc/invoke.texi: Document ftree-vect-loop-version and
7431         --param vect-max-version-checks.
7432         * tree-vectorizer.h (_loop_vec_info): Add ptr_mask and
7433         may_misalign_stmts and defines for accessors.
7434         * tree-vectorizer.c : (new_loop_vec_info): VEC_alloc for
7435         LOOP_VINFO_MAY_MISALIGN_STMTS.
7436         (destroy_loop_vec_info): VEC_free for
7437         LOOP_VINFO_MAY_MISALIGN_STMTS.
7438         * tree-vect-analyze.c (vect_compute_data_ref_alignment):
7439         Update documentation.
7440         (vect_update_misalignment_for_peel): New.
7441         (vect_enhance_data_refs_alignment): Update to choose loop
7442         peeling or loop versioning if appropriate for the (potentially)
7443         unaligned data references in the loop.
7444         (vect_analyze_data_refs_alignment): Remove call to
7445         vect_enhance_data_refs_alignment so the checks can be done
7446         earlier.
7447         (vect_analyze_loop): Add call to vect_enhance_data_refs_alignment
7448         and move up call to vect_analyze_data_refs_alignment.
7449         * tree-vect-transform.c (vect_create_cond_for_align_checks): New.
7450         (vect_transform_loop): Add call to loop_version.
7451
7452 2005-09-06  Jakub Jelinek  <jakub@redhat.com>
7453
7454         PR rtl-optimization/23098
7455         * cse.c (fold_rtx_mem): Call delegitimize_address target hook.
7456         * simplify-rtx.c (constant_pool_reference_p): New function.
7457         * rtl.h (constant_pool_reference_p): New prototype.
7458         * config/i386/i386.md (pushf split, mov[sdx]f split): Use
7459         constant_pool_reference_p in condition and
7460         avoid_constant_pool_reference in preparation statements.
7461
7462 2005-09-06  Andreas Krebbel  <krebbel1@de.ibm.com>
7463
7464         * gcse.c (try_replace_reg): Disallow REG_EQUAL notes for
7465         STRICT_LOW_PART SETs.
7466
7467 2005-09-06  Alan Modra  <amodra@bigpond.net.au>
7468
7469         PR middle-end/21460
7470         * except.c (sjlj_emit_function_enter): Find the function begin
7471         note even when it's not in first basic block.
7472
7473 2005-09-06  Kelley Cook  <kcook@gcc.gnu.org>
7474
7475         * acinclude.m4: Renamed from aclocal.m4.  Delete AM_LANGINFO_CODESET,
7476         AM_PROG_CC_C_O, and AM_AUX_DIR_EXPAND.
7477         * aclocal.m4: Regenerate.
7478
7479 2005-09-05  DJ Delorie  <dj@redhat.com>
7480
7481         * config/m32c/m32c.h (TRAMPOLINE_ALIGNMENT): Correct misspelling
7482         of macro.
7483
7484 2005-09-06  Kazu Hirata  <kazu@codesourcery.com>
7485
7486         * gimplify.c, ipa-prop.h, varasm.c, config/vxlib.c,
7487         config/vxworks.h, config/crx/crx.c, config/ms1/ms1.c,
7488         config/ms1/ms1.md, config/rs6000/rs6000.c: Fix comment typos.
7489         Follow spelling conventions.
7490         * doc/invoke.texi: Follow spelling conventions.
7491
7492 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7493
7494         * rtl.h (gen_frame_mem, gen_tmp_stack_mem): Declare.
7495         * emit-rtl.c (gen_frame_mem, gen_tmp_stack_mem): New functions.
7496         * builtins.c (expand_builtin_return_addr): Use gen_frame_mem.
7497
7498 2005-09-05  J"orn Rennecke <joern.rennecke@st.com>
7499
7500         PR target/23683
7501         * sh.c (sh_reorg, emit_load_ptr): Use gen_const_mem.
7502         (output_stack_adjust): Use gen_tmp_stack_mem.
7503         (sh_expand_prologue, sh_expand_epilogue): Use gen_frame_mem.
7504         (sh_set_return_address, sh_allocate_initial_value): Likewise.
7505         (sh_get_pr_initial_val): Likewise.
7506         (sh_builtin_saveregs): Use gen_frame_mem and change_address.
7507         (sh_initialize_trampoline): Likewise.  Also use adjust_address.
7508         * sh.md (divsi_inv_m0): Use gen_const_mem.
7509         (push_fpscr, pop_fpscr, load_ra): Use gen_frame_mem.
7510         (movdf_i4+1): Use gen_tmp_stack_mem.
7511         (reload_outdf+3, reload_outdf+4, fpu_switch+1): Use change_address.
7512         (fpu_switch+2): Likewise.
7513         (movv4sf_i, movv16sf_i): Use adjust_address.
7514         (symGOT_load): Set MEM_NOTRAP_P bit.
7515
7516 2005-09-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7517
7518         PR target/23721
7519         * pa.c (emit_move_sequence): Fix typo in last change.
7520
7521 2005-09-03  Jakub Jelinek  <jakub@redhat.com>
7522
7523         PR rtl-optimization/23454
7524         * reorg.c (relax_delay_slots): Only call invert_jump if any_condjump_p
7525         is true.
7526
7527 2005-09-03  Richard Henderson  <rth@redhat.com>
7528             John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
7529
7530         PR middle-end/23671
7531         * pa.c (emit_move_sequence): Use replace_equiv_address instead of
7532         gen_rtx_MEM.
7533
7534 2005-09-02  Nicolas Pitre <nico@cam.org>
7535
7536         * config/arm/arm.c (arm_legitimize_address): Limit the value passed
7537         to bit_count to 32 bits.
7538
7539 2005-08-31  Mark Mitchell  <mark@codesourcery.com>
7540
7541         PR c++/23167
7542         * gimplify.c (gimplify_expr): Handle TREE_ADDRESSABLE types when
7543         generating synthetic loads from volatile lvalues.
7544
7545 005-09-02  Nick Clifton  <nickc@redhat.com>
7546
7547         * config/stormy16/stormy16-lib2.c (__popcounthi2, __parityhi2,
7548         __ctzhi2, __clzhi2): New functions.
7549
7550 2005-09-02  Andrew Pinski  <pinskia@physics.uc.edu>
7551
7552         PR middle-end/23547
7553         * tree-nested.c (struct var_map_elt): Mark with GTY.
7554         (struct nesting_info): Mark with GTY.  Mark var_map's param is struct
7555         var_map_elt.
7556         (lookup_field_for_decl): Allocate new element in GC memory.
7557         (lookup_tramp_for_decl): Likewise.
7558         (convert_nl_goto_reference): Likewise
7559         (create_nesting_tree): Allocate info in GC memory. Likewise for
7560         info->var_map.
7561         (free_nesting_tree): Free with ggc_free instead of free.
7562         (root): New static variable.
7563         (lower_nested_functions): Remove root as local variable.  And zero out
7564         root at the end of the function.
7565
7566 2005-09-02  J"orn Rennecke <joern.rennecke@st.com>
7567
7568         PR rtl-optimization/20365
7569         * simplify-rtx.c (simplify_plus_minus_op_data): Change type of neg
7570         to short.  New member ix.
7571         (simplify_plus_minus_op_data_cmp): Break ties using ix member.
7572         (simplify_plus_minus): Initialize ix members before calling qsort.
7573
7574 2005-09-02  Zdenek Dvorak  <dvorakz@suse.cz>
7575
7576         PR tree-optimization/23626
7577         * tree-cfg.c (replace_uses_by): Clean up eh info.
7578
7579 2005-09-01  DJ Delorie  <dj@redhat.com>
7580
7581         * config/m32c/m32c.c (m32c_valid_pointer_mode): Remove stray debug
7582         fprintf.
7583
7584 2005-09-01  David Edelsohn  <edelsohn@gnu.org>
7585
7586         * config/rs6000/rs6000.c (setup_incoming_varargs): Set MEM_NOTRAP_P.
7587         (rs6000_split_multireg_move): Use replace_equiv_address instead of
7588         gen_rtx_MEM.
7589
7590 2005-09-01  Craig Rodrigues  <rodrigc@gcc.gnu.org>
7591
7592         * c-decl.c (diagnose_mismatched_decls):  With -Wredundant-decls,
7593         do not issue warning for a variable definition following
7594         a declaration.
7595
7596 2005-09-01  Richard Henderson  <rth@redhat.com>
7597
7598         PR 23668
7599         * config/i386/i386.c (ix86_expand_vector_init_one_var): Restore
7600         conversion to CONST_VECTOR.
7601
7602 2005-09-01  Richard Henderson  <rth@redhat.com>
7603
7604         PR 23676
7605         * reload1.c (reload_as_needed): Check !CALL_P before calling
7606         fixup_eh_region_note.
7607         * rtlanal.c (may_trap_p): SUBREG by itself cannot trap.
7608
7609 2005-09-01  DJ Delorie  <dj@redhat.com>
7610
7611         * varasm.c (output_constant): Let the target resolve
7612         conversions of addresses to non-default pointer sizes.
7613
7614 2005-09-01  Nicolas Pitre <nico@cam.org>
7615
7616         * config/arm/arm.c (arm_legitimize_address): Split absolute addresses
7617         to alow matching ARM pre-indexed addressing mode.
7618         (arm_override_options): Remove now irrelevant comment.
7619
7620 2005-09-01  Phil Edwards  <phil@codesourcery.com>
7621
7622         * config.gcc (i*86-wrs-vxworks):  Update.  Split out vxworksae target.
7623         * config/i386/t-vxworks:  Update multilibs for VxWorks 6 and RTP mode.
7624         * config/i386/vxworks.h:  Likewise.
7625         * config/i386/t-vxworksae:  New file, for VxWorks AE.
7626         * config/i386/vxworksae.h:  Likewise.
7627
7628 2005-09-01  Sebastian Pop  <pop@cri.ensmp.fr>
7629
7630         PR tree-optimization/23410
7631         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Check that the
7632         sequence is not wrapping during the first step.
7633
7634 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7635
7636         PR debug/7241
7637         * dwarf2out.c (base_type_die): Compare char_type_node with
7638         TYPE_MAIN_VARIANT (type), not type.
7639
7640 2005-09-01  Richard Guenther  <rguenther@suse.de>
7641
7642         PR tree-optimization/15366
7643         * common.opt: Add -finline-functions-called-once.
7644         Put -fearly-inlining in alphabetically ordered place.
7645         * doc/invoke.texi: Document new option.
7646         * ipa-inline.c (cgraph_decide_inlining): Honour
7647         flag_inline_functions_called_once.
7648
7649 2005-09-01  Jakub Jelinek  <jakub@redhat.com>
7650
7651         PR rtl-optimization/23478
7652         * local-alloc.c (struct qty): Add n_throwing_calls_crossed field.
7653         (alloc_qty): Initialize it.
7654         (update_equiv_regs): Clear REG_N_THROWING_CALLS_CROSSED.
7655         (combine_regs): Combine also n_throwing_calls_crossed fields.
7656         (find_free_reg): Don't attempt to caller-save pseudos crossing
7657         calls that might throw.
7658         * global.c (struct allocno): Add throwing_calls_crossed field.
7659         (global_alloc): Revert 2005-08-22 change.  Initialize
7660         throwing_calls_crossed.
7661         (find_reg): Don't attempt to caller-save pseudos crossing calls that
7662         might throw.
7663
7664 2005-09-01  Alan Modra  <amodra@bigpond.net.au>
7665
7666         PR target/23649
7667         * config/rs6000/predicates.md (mask_operand): Only handle rlwinm masks.
7668         (mask64_operand): Reinstate code prior to 2005-06-11 change.
7669         (mask64_2_operand): Reinstate code prior to 2004-11-11 change.
7670         (and64_2_operand): Tweak to use predicate.
7671         (and_operand): Adjust for mask_operand changes.
7672         * config/rs6000/rs6000.c (num_insns_constant): Revert 2005-06-11.
7673         (print_operand): Likewise.
7674         (rs6000_rtx_costs): Pass mode to mask_operand and use mask64_operand.
7675         (mask64_1or2_operand): Delete.
7676         * rs6000/rs6000-protos.h (mask64_1or2_operand): Delete.
7677         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT <S>): Revert 2005-06-11.
7678         (EXTRA_CONSTRAINT <T>): Pass operand mode to predicate.
7679         (EXTRA_CONSTRAINT <t>): Disallow mask64_operand matches.
7680         * config/rs6000/rs6000.md (andsi3_internal3 split): Revert 2005-06-11.
7681         (rotldi3_internal4): Likewise.
7682         (rotldi3_internal5, rotldi3_internal5 split): Likewise.
7683         (rotldi3_internal6, rotldi3_internal6 split): Likewise.
7684         (ashldi3_internal7): Likewise.
7685         (ashldi3_internal8, ashldi3_internal8 split): Likewise.
7686         (ashldi3_internal, ashldi3_internal9 split): Likewise.
7687         (anddi3 split): Don't match mask64_operand.
7688         (anddi3_internal2): Add rlwinm.  Modify 't' splitter predicate.
7689         (anddi3_internal3): Add rlwinm.  Use and64_2_operand in non-cr0
7690         splitter and match TARGET_64BIT not TARGET_POWERPC64.  Modify
7691         't' splitter predicate.
7692         (movdi_internal64 + 2): Revert 2005-06-11 change.
7693
7694 2005-08-31  DJ Delorie  <dj@redhat.com>
7695
7696         * config/m32c/m32c.c (m32c_valid_pointer_mode): New.
7697         (m32c_asm_integer): Add support for 32 bit pointers.
7698
7699 2005-08-31  Richard Henderson  <rth@redhat.com>
7700
7701         * emit-rtl.c (set_mem_attributes_minus_bitpos): Look through
7702         component-like references for setting MEM_NOTRAP_P.
7703
7704         * config/i386/i386.c (ix86_setup_incoming_varargs): Set MEM_NOTRAP_P.
7705         * config/alpha/alpha.c (alpha_setup_incoming_varargs): Likewise.
7706
7707 2005-08-31  Richard Henderson  <rth@redhat.com>
7708
7709         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Force subregs
7710         into a pseudo before applying gen_lowpart.
7711
7712 2005-08-31  Geoffrey Keating  <geoffk@apple.com>
7713
7714         * doc/install.texi (Specific): Update cctools version required
7715         for full functionality.
7716         * config/darwin.h (LINK_SPEC): Pass -mmacosx-version-min to the
7717         linkers as -macosx_version_min.
7718
7719 2005-08-31  J"orn Rennecke <joern.rennecke@st.com>
7720
7721         PR target/21255
7722         * sh.c (print_operand, %R and %S): Add handling of floating point
7723         registers, memory, constants and invalid operands.
7724
7725 2005-08-31  Daniel Berlin  <dberlin@dberlin.org>
7726
7727         * ipa-pure-const.c: Change dump name.
7728
7729 2005-08-31 Uros Bizjak <uros@kss-loka.si>
7730
7731         PR target/23570
7732         * config/i386/sse.md (*sse_concatv2sf): Change operand 2 constraint
7733         to "reg_or_0_operand".
7734         (sse2_loadld): Change operand 1 constraint to "reg_or_0_operand".
7735
7736 2005-08-31  Dale Johannesen  <dalej@apple.com>
7737
7738         * loop-iv.c (iv_number_of_iterations):  Fix overflow check for
7739         loops that count down.
7740
7741 2005-08-31  Richard Henderson  <rth@redhat.com>
7742
7743         PR rtl-opt/23601
7744         * reload1.c (reload): Set MEM_NOTRAP_P in spill slots.
7745         (fixup_eh_region_note): New.
7746         (reload_as_needed): Call it.
7747         (fixup_abnormal_edges): Allow all throwing insns to be deleted;
7748         don't call find_many_sub_basic_blocks; call verify_flow_info.
7749         * function.c (assign_stack_local_1): Set MEM_NOTRAP_P.
7750         (keep_stack_depressed): Likewise.
7751         (assign_stack_temp_for_type): Likewise; use adjust_address_nv.
7752
7753 2005-08-31  Richard Henderson  <rth@redhat.com>
7754
7755         * config/i386/i386.c (ix86_function_ok_for_sibcall): Fix test for
7756         fp return matching.
7757
7758 2005-08-31  Fariborz Jahanian <fjahanian@apple.com>
7759
7760         * expr.c (expand_expr_real_1): Compare size of address
7761         mode to target's address mode size in deciding expansion of
7762         the constant address.
7763
7764 2005-08-31  Richard Guenther  <rguenther@suse.de>
7765
7766         PR middle-end/23477
7767         * expr.c (all_zeros_p): New function.
7768         (expand_expr_real_1): Handle the case of an all-zero
7769         non-addressable constructor separately.
7770
7771 2005-08-31  Adrian Straetling  <straetling@de.ibm.com>
7772
7773         * builtins.c: (expand_builtin_strcpy, expand_builtin_strcat): Change
7774         arguments, adjust all callers.
7775         (expand_builtin_strcat): Rewrite to call strcpy instead of mempcpy.
7776
7777 2005-08-30  Richard Henderson  <rth@redhat.com>
7778
7779         PR target/23630
7780         * expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: Use gen_lowpart
7781         whenever the mode sizes match.
7782
7783 2005-08-31  Alan Modra  <amodra@bigpond.net.au>
7784
7785         * calls.c (load_register_parameters): Fix comment typo.
7786         * expr.c (emit_push_insn): Comment formatting.
7787
7788 2005-08-30  Ian Lance Taylor  <ian@airs.com>
7789
7790         * config/i386/x-cygwin (host-cygwin): Change dependency from
7791         hosthooks-def.h to $(HOSTHOOKS_DEF_H).
7792
7793 2005-08-29  Geoffrey Keating  <geoffk@apple.com>
7794
7795         * config/i386/i386.c (ix86_expand_vector_init_one_var): Don't modify
7796         parts of 'vals'.
7797
7798 2005-08-29  Andrew Pinski  <pinskia@physics.uc.edu>
7799
7800         PR middle-end/23408
7801         * ipa-inline.c (cgraph_decide_inlining_incrementally): Remove the
7802         call to ggc_collect.
7803
7804 2005-08-29  Paolo Bonzini  <bonzini@gnu.org>
7805
7806         PR bootstrap/21268
7807         * Makefile.in (ALL_CPPFLAGS): Include $(INCLUDES) at the
7808         beginning.  Remove $(INCLUDES) from all the rules, if following
7809         $(ALL_CPPFLAGS) or $(BUILD_CPPFLAGS).
7810
7811 2005-08-29  Jakub Jelinek  <jakub@redhat.com>
7812
7813         PR middle-end/23484
7814         * builtins.c (fold_builtin_memory_chk, fold_builtin_stxcpy_chk,
7815         fold_builtin_strncpy_chk, fold_builtin_snprintf_chk): If len is
7816         not constant, but maxlen is, don't set len to maxlen, rather
7817         set maxlen to len if len is a constant.
7818
7819 2005-08-29  Zdenek Dvorak  <dvorakz@suse.cz>
7820
7821         PR tree-optimization/23475
7822         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Update frequencies
7823         and counts.
7824
7825 2005-08-28  Daniel Berlin  <dberlin@dberlin.org>
7826
7827         Fix PR middle-end/22455
7828
7829         * fold-const.c (fold_checksum_tree): Adjust for now-largest tree size.
7830         Checksum only the parts of the tree that exist for the tree code.
7831
7832 2005-08-28  Dale Johannesen  <dalej@apple.com>
7833
7834         * config/i386/i386.c (nocona_cost):  Increase MOVE_RATIO.
7835
7836 2005-08-28  Andrew Pinski  <pinskia@physics.uc.edu>
7837
7838         * tree-vrp.c: Remove obsolete comment in front of vrp_initialize.
7839
7840 2005-08-28  Richard Henderson  <rth@redhat.com>
7841
7842         * stor-layout.c (finalize_type_size): Revert workaround from 08-26.
7843         * tree.c (make_node_stat): Use BITS_PER_UNIT instead of alignment
7844         of char_type_node.
7845
7846 2005-08-28  Jakub Jelinek  <jakub@redhat.com>
7847
7848         PR ada/23593
7849         * builtins.c (get_memory_rtx): Don't strip nops
7850         in between COMPONENT_REFs.
7851
7852 2005-08-27  Andrew Pinski  <pinskia@physics.uc.edu>
7853
7854         PR middle-end/23463
7855         * gimplify.c (gimplify_modify_expr_rhs): Remove check for zero sized
7856         types.
7857         (gimplify_modify_expr): Check for zero sized types and gimplify the
7858         rhs and lhs as statements.
7859
7860 2005-08-27  John David Anglin  <dave.anflin@nrc-cnrc.gc.ca>
7861
7862         PR libgcj/23508
7863         * pa/linux-unwind.h (pa32_fallback_frame_state): Use r0 slot in frame
7864         state for return address column of signal frames.
7865
7866 2005-08-27  David Edelsohn  <edelsohn@gnu.org>
7867
7868         PR target/23539
7869         * config/rs6000/rs6000.c (expand_block_clear): Use HImode when
7870         bytes >= 2 not bytes == 2.
7871         (expand_block_move): Same.
7872
7873 2005-08-27  Richard Guenther  <rguenther@suse.de>
7874
7875         PR target/23575
7876         * config/i386/sse.md (sse2_movsd): Add missing closing
7877         braces.
7878
7879 2005-08-27  Paul Brook  <paul@codesourcery.com>
7880
7881         * genrecog.c (enum decision_type): Add DT_num_insns.
7882         (struct decision_test): Add u.num_insns.
7883         (add_to_sequence): Add DT_num_insns test.
7884         (maybe_both_true_2, nodes_identical_1): Handle DT_num_insns.
7885         (write_cond, debug_decision_2): Ditto.
7886         (change_state): Assume peep2_next_insn never fails.
7887         Remove "afterward" argument.
7888         (write afterward, write_tree): Update to match.
7889         * recog.c (peep2_current_count): New variable.
7890         (peep2_next_insn): Check it.
7891         (peephole2_optimize): Set peep2_current_count.
7892         * recog.h (peep2_current_count): Declare.
7893
7894 2005-08-26  Josh Conner  <jconner@apple.com>
7895
7896         PR middle-end/23584
7897         * ipa-pure-const.c (check_tree): Check for volatile-ness
7898         when considering a dereference.
7899
7900 2005-08-27  Jakub Jelinek  <jakub@redhat.com>
7901
7902         * rtl.h (MEM_IN_STRUCT_P): Fix comment typo.
7903
7904 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7905
7906         PR rtl-optimization/23561
7907         * builtins.c (get_memory_rtx): Add LEN argument.  If MEM_EXPR is
7908         a COMPONENT_REF, remove all COMPONENT_REF from MEM_EXPR unless
7909         at most LEN bytes long memory fits into the field.
7910         (expand_builtin_memcpy, expand_builtin_mempcpy, expand_movstr,
7911         expand_builtin_strncpy, expand_builtin_memset, expand_builtin_memcmp,
7912         expand_builtin_strcmp, expand_builtin_strncmp): Adjust callers.
7913
7914 2005-08-26  Richard Henderson  <rth@redhat.com>
7915
7916         PR rtl-opt/23560
7917         * loop.c (biased_biv_may_wrap_p): New.
7918         (maybe_eliminate_biv_1): Use it to suppress non-equality
7919         comparison transformations.  Delete disabled code.
7920
7921 2005-08-26  Ian Lance Taylor  <ian@airs.com>
7922
7923         * combine.c (make_extraction): Avoid reference outside object.
7924
7925 2005-08-26  J"orn Rennecke <joern.rennecke@st.com>
7926
7927         * stor-layout.c (finalize_type_size): Restore behaviour for
7928         non-aggregate types to the status quo ante of the patch for
7929         pr 23467.  Document why it matters.
7930
7931 2005-08-26  Jakub Jelinek  <jakub@redhat.com>
7932
7933         PR c/23506
7934         * c-common.c (c_common_nodes_and_builtins): Increase builtin_types
7935         array by one element, initialize the BT_LAST element with NULL.
7936
7937 2005-08-26  David Edelsohn  <edelsohn@gnu.org>
7938
7939         * config/rs6000/rs6000.md (eq<mode>_compare): Only enable when
7940         optimizing for size.
7941         (plus_eqsi): Same.
7942         (compare_plus_eqsi): Same.
7943         (plus_eqsi_compare): Same.
7944         (neg_eq0<mode>): Same.
7945         (neg_eq<mode>): Same.
7946
7947         * config/rs6000/aix52.h (PROCESSOR_DEFAULT): Change to
7948         PROCESSOR_POWER4.
7949
7950 2005-08-26  Nick Clifton  <nickc@redhat.com>
7951
7952         * config/v850/v850.c (ep_memory_operand): Return FALSE if
7953         TARGET_EP is not defined.
7954         * config/v850/c850.h (TARGET_CPU_CPP_BUILTINS): Define __EP__ if
7955         TARGET_EP is enabled.
7956         (OPTIMIZATION_OPTIONS): Do not define MASK_EP when optimizing.
7957         * config/v850/v850.md (save_all_interrupt): Only use the EP
7958         register if TARGET_EP is defined.
7959         (restore_all_interrupt): Likewise.
7960         * config/v850/lib1funcs.asm: Update functions so that the EP
7961         register is only used if __EP__ is defined.
7962
7963 2005-08-26  David Ung  <davidu@mips.com>
7964
7965         * config/mips/mips.c (mips_expand_prologue): Handle case when
7966         generating for MIPS16 and the outgoing argument area is more than
7967         SMALL_OPERAND. Use the frame pointer as temporary to generate the
7968         add instruction.
7969
7970 2005-08-26  Paul Woegerer  <paul.woegerer@nsc.com>
7971
7972         * config/crx/crx.md: Make doloop_end pattern usage controllable
7973         via mloop-nesting=<max-nesting> command line switch. Make sure
7974         the combiner cannot use doloop_end_<mode> in an illegal way.
7975         * config/crx/crx.c: Use regs up to r6 for argument passing.
7976         Refine crx_address_cost (non cst4 displacements are expensive).
7977         * config/crx/crx.opt: Add switch for mloop-nesting=.
7978
7979 2005-08-26  Adrian Straetling  <straetling@de.ibm.com>
7980
7981         * config/s390/s390.md: ("movstr", "*movstr"): Add patterns.
7982         (UNSPEC_MVST): New constant.
7983
7984 2005-08-26  Andreas Krebbel  <krebbel1@de.ibm.com>
7985
7986         * config/s390/predicates.md ("shift_count_operand", "setmem_operand"):
7987         Reject operands containing eliminable registers.
7988         * testsuite/gcc.dg/20050825-1.c: New testcase.
7989
7990 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7991             Jan Hubicka  <jh@suse.cz>
7992
7993         * regmove.c (reg_is_remote_constant_p): Reorganize to not use log links.
7994
7995 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
7996
7997         PR tree-optimization/23546
7998         * tree-ssa-loop-im.c (for_each_index): Handle INTEGER_CST
7999         and REAL_CST nodes.
8000
8001 2005-08-24  Pete Steinmetz  <steinmtz@us.ibm.com>
8002
8003         * params.def (PARAM_MIN_SPEC_PROB): New.
8004         * sched-rgn.c (MIN_PROBABILITY): Delete.
8005         (compute_trg_info): Convert to PARAM_VALUE.
8006         * doc/invoke.texi (param): Document min-spec-prob.
8007
8008 2005-08-24  Fariborz Jahanian <fjahanian@apple.com>
8009
8010         * config/darwin.h: define __PIC__
8011         * config/rs6000/darwin.h: Add SUBTARGET_OS_CPP_BUILTINS to
8012         TARGET_OS_CPP_BUILTINS macro.
8013
8014 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8015
8016         * config/rs6000/rs6000.md: Fix thinko in the peephole2 I added
8017         yesterday.
8018
8019 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
8020
8021         * bb-reorder.c (copy_bb, duplicate_computed_gotos): Add argument
8022         to duplicate_block.
8023         * cfghooks.c (duplicate_block): Added position where to place
8024         new block as argument.
8025         * cfghooks.h (duplicate_block): Declaration changed.
8026         * cfglayout.c (copy_bbs): Add argument after.  Pass it to
8027         duplicate_block.
8028         * cfglayout.h (copy_bbs): Declaration changed.
8029         * cfgloop.h (loop_version): Declaration changed.
8030         * cfgloopmanip.c (duplicate_loop_to_header_edge): Pass
8031         position to copy_bbs.
8032         (loop_version): Pass position to duplicate_loop_to_header_edge.
8033         Add place_after argument and position new blocks according to
8034         it.
8035         * modulo-sched.c (sms_schedule): Pass place_after argument
8036         to loop_version.
8037         * tracer.c (tail_duplicate): Pass argument to duplicate_block.
8038         * tree-cfg.c (split_edge_bb_loc): New function.
8039         (tree_split_edge, tree_duplicate_sese_region): Use split_edge_bb_loc
8040         to determine position of new blocks.
8041         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass argument
8042         to loop_version.
8043         * tree-ssa-threadupdate.c (create_block_for_threading): Pass
8044         argument to duplicate_block.
8045         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg):
8046         Pass position to copy_bbs.
8047
8048 2005-08-24  Zdenek Dvorak  <dvorakz@suse.cz>
8049
8050         * fold-const.c (ptr_difference_const): Use
8051         cst_and_fits_in_hwi instead of host_integerp.
8052
8053 2005-08-24  Paolo Bonzini  <bonzini@gnu.org>
8054
8055         * config/darwin.c (gen_pic_offset): New.
8056         (machopic_indirect_data_reference,  machopic_legitimize_pic_address):
8057         Use it.
8058
8059 2005-08-23  Zdenek Dvorak  <dvorakz@suse.cz>
8060
8061         PR tree-optimization/23486
8062         * tree-ssa-loop.c (pass_scev_cprop): Add TODO_update_ssa_only_virtuals.
8063
8064 2005-08-23  Phil Edwards  <phil@codesourcery.com>
8065
8066         * config.gcc (*-*-vxworks*):  Update tm_file, add extra_options,
8067         remove use_collect2.
8068         (powerpc-wrs-vxworks):  Update, split out *-*-vxworksae target.
8069
8070         * target-def.h (TARGET_HAVE_CTORS_DTORS):  Allow target
8071         configuration files to override the default value.
8072
8073         * config/t-vxworks:  Remove INSTALL_ASSERT_H.  Define STMP_FIXPROTO,
8074         EXTRA_HEADERS, and EXTRA_MULTILIB_PARTS.
8075         * config/vx-common.h:  New file, split out from...
8076         * config/vxworks.h:  here.  Update for VxWorks 6.x and RTP mode.
8077         * config/vxworksae.h:  New file, for VxWorks AE.
8078         * config/vxworks.opt:  New file.
8079         * config/vxlib.c:  Update for VxWorks 6.
8080
8081         * config/rs6000/t-vxworks (MULTILIB_OPTIONS):  New list.  Adjust
8082         other MULTILIB_* variables appropriately.
8083         (LIB2FUNCS_EXTRA, EXTRA_MULTILIB_PARTS):  Correct from t-ppccomm.
8084         * config/rs6000/t-vxworksae:  New file, adjust multilibs for AE.
8085         * config/rs6000/vxworks.h:  Update for VxWorks 6.
8086         * config/rs6000/vxworksae.h:  New file, mostly placeholder for now.
8087
8088 2005-08-23  Andrew Pinski  <pinskia@physics.uc.edu>
8089
8090         PR target/20799
8091         * config/darwin.c (machopic_select_section): Remove the hack to
8092         mark "::operator new" and "::operator delete" for coalescing
8093         even though they are not weak.
8094
8095 2005-08-24  Alan Modra  <amodra@bigpond.net.au>
8096
8097         * configure.ac (HAVE_LD_NO_DOT_SYMS): Set for powerpc-linux biarch.
8098         * configure: Regenerate.
8099
8100 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
8101
8102         PR middle-end/23517
8103         * fold-const.c (fold_convert): Use VIEW_CONVERT_EXPR to convert
8104         between vectors.
8105         * convert.c (convert_to_integer, convert_to_vector): Likewise.
8106         * tree-vect-generic.c (tree_vec_extract, expand_vector_operations_1):
8107         Likewise.
8108
8109 2005-08-23  Paolo Bonzini  <bonzini@gnu.org>
8110
8111         * config/rs6000/predicates.md (equality_operator): New.
8112         * config/rs6000/rs6000.md: Rewrite as a peephole2 the split for
8113         comparison with a large constant.
8114
8115 2005-08-23  Mark Mitchell  <mark@codesourcery.com>
8116
8117         * hwint.h (HOST_WIDE_INT_PRINT): Use HOST_LONG_LONG_FORMAT.
8118
8119 2005-08-23  J"orn Rennecke <joern.rennecke@st.com>
8120
8121         * sh.c (sh_builtin_saveregs): If the number of to-be-saved fp
8122         registers is even, and we have a hardware double precision fp,
8123         align the buffer.
8124         (sh_gimplify_va_arg_expr): For floating point arguments, consider
8125         size of current argument when checking if argument was passed in
8126         registers.
8127
8128         * sh.c (sh_attr_renesas_p): Handle error_mark_node.
8129
8130         PR middle-end/23467
8131         * stor-layout.c (finalize_type_size): Dont override
8132         existing alignment with a smaller alignment from the mode.
8133
8134 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
8135
8136         * lambda-code.c (lambda_vector_lexico_pos): Moved...
8137         * lambda.h (lambda_vector_lexico_pos): ... here.
8138         * tree-data-ref.c (build_classic_dist_vector): Return false when
8139         the distance vector is lexicographically negative.
8140
8141 2005-08-23  Sebastian Pop  <pop@cri.ensmp.fr>
8142
8143         PR tree-optimization/23511
8144         * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Don't
8145         handle cases where TYPE_MIN_VALUE or TYPE_MAX_VALUE are NULL_TREE.
8146
8147 2005-08-23  Jakub Jelinek  <jakub@redhat.com>
8148
8149         PR tree-optimization/22043
8150         * tree.h (count_type_elements): Add ALLOW_FLEXARR argument.
8151         * expr.c (count_type_elements): Add ALLOW_FLEXARR argument.
8152         If ALLOW_FLEXARR, handle types ending with flexible array member.
8153         Pass false as second argument to recursive count_type_elements calls.
8154         (categorize_ctor_elements_1, mostly_zeros_p): Pass false as second
8155         argument to count_type_elements call.
8156         * tree-sra.c (decide_block_copy): Likewise.
8157         * gimplify.c (gimplify_init_constructor): If num_type_elements < 0
8158         for a constant-sized object, set cleared as well.  Pass true as
8159         second argument to count_type_elements call.
8160
8161 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
8162
8163         PR target/21571
8164         * config/rs6000/rs6000.c (rs6000_legitimate_small_data_p): Rename
8165         from legitimate_small_data_p, and make global.  Update use.
8166         Remove forward declaration.
8167         * config/rs6000/rs6000-protos.h (rs6000_legitimate_small_data_p):
8168         Declare.
8169         * config/rs6000/rs6000.md (movdf_hardfloat32): Allow small data mems.
8170
8171 2005-08-23  David Edelsohn  <edelsohn@gnu.org>
8172
8173         * config/rs6000/rs6000.md (eq<mode>): Use output operand instead
8174         of scratch intermediates.
8175         (eq<mode>_compare): Same.
8176         (neg_eq0<mode>): New.
8177         (neg_eq<mode>): Convert to define_insn_and_split.
8178
8179 2005-08-23  Alan Modra  <amodra@bigpond.net.au>
8180
8181         PR target/23070
8182         * config/rs6000/rs6000.c (function_arg): For ABI_V4 calls to
8183         stdarg functions, set/clear the fp marker even when no variable
8184         args are passed.
8185         * config/rs6000/sysv4.opt (mprototype): Describe.
8186
8187 2005-08-22  Jakub Jelinek  <jakub@redhat.com>
8188
8189         PR rtl-optimization/23478
8190         * regs.h (reg_info): Add throw_calls_crossed.
8191         (REG_N_THROWING_CALLS_CROSSED): Define.
8192         * flow.c (allocate_reg_life_data): Initialize
8193         REG_N_THROWING_CALLS_CROSSED.
8194         (propagate_one_insn, attempt_auto_inc): Update
8195         REG_N_THROWING_CALLS_CROSSED.
8196         * global.c (global_alloc): Don't allocate pseudos across
8197         calls that may throw.
8198
8199 2005-08-22  Andrew Pinski  <pinskia@physics.uc.edu>
8200
8201         PR c/18715
8202         * c-common.c (c_do_switch_warnings): Look for a node where the enum's
8203         value is inbetween the range if we did not find an exact match.
8204
8205 2005-08-22  Aldy Hernandez  <aldyh@redhat.com>
8206
8207         * doc/invoke.texi (Option Summary): Add ms1 options.
8208         * doc/extend.texi: Document interrupt handler attribute for ms1.
8209         * doc/md.texi: Document ms1 constraints.
8210         * config.gcc: Add ms1-*-elf.
8211         * config/ms1/ms1.h: New.
8212         * config/ms1/ms1.c: New.
8213         * config/ms1/ms1.md: New.
8214         * config/ms1/ms1-protos.h: New.
8215         * config/ms1/ABI.txt: New.
8216         * config/ms1/crti.asm: New.
8217         * config/ms1/crtn.asm: New.
8218         * config/ms1/lib2extra-funcs.c: New.
8219         * config/ms1/t-ms1: New.
8220         * config/ms1/ms1.opt: New.
8221
8222 2005-08-22 Ira Rosen <irar@il.ibm.com>
8223
8224         * config/rs6000/altivec.md (xorv4sf3): New.
8225         (negv4sf2, neg<mode>2): Likewise.
8226
8227 2005-08-21  H.J. Lu  <hongjiu.lu@intel.com>
8228
8229         PR target/23485
8230         * config/ia64/ia64.md (divsi3): Check divide by zero.
8231         (udivsi3): Likewise.
8232         (divdi3): Likewise.
8233         (udivdi3): Likewise.
8234
8235 2005-08-21  Jakub Jelinek  <jakub@redhat.com>
8236
8237         * simplify-rtx.c (simplify_immed_subreg) <case CONST_DOUBLE>: Only clear
8238         up to elem_bitsize bits, not max_bitsize.
8239
8240 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
8241
8242         PR tree-optimization/23433
8243         * tree-chrec.c (chrec_apply): Translate INTEGER_CST to a
8244         REAL_CST when the type is SCALAR_FLOAT_TYPE_P.
8245
8246 2005-08-21  Sebastian Pop  <pop@cri.ensmp.fr>
8247
8248         PR tree-optimization/23434
8249         * tree-ssa-loop-niter.c (proved_non_wrapping_p): Give up when
8250         the iteration bound is not an INTEGER_CST.
8251
8252 2005-08-21  Dorit Nuzman  <dorit@il.ibm.com>
8253
8254         * tree-vect-transform.c (get_initial_def_for_reduction): Set
8255         need_epilog_adjust back to false for MIN/MAX case. Set *scalar_def to
8256         NULL if need_epilog_adjust is false.
8257         (vect_create_epilog_for_reduction): Variable adjust_in_epilog removed.
8258         Case 3 always peels first itration, not just for PLUS case, and no need
8259         to use scalar_initial_def here. Create an epilog adjustment only if
8260         scalar_initial_def is not NULL.
8261
8262         (vectorizable_reduction): Remove assert.
8263
8264 2005-08-20  H.J. Lu  <hongjiu.lu@intel.com>
8265
8266         PR target/23485
8267         * config/ia64/lib1funcs.asm (__divdi3): Check divide by zero.
8268         (__moddi3): Likewise.
8269         (__udivdi3): Likewise.
8270         (__umoddi3): Likewise.
8271         (__divsi3): Likewise.
8272         (__modsi3): Likewise.
8273         (__udivsi3): Likewise.
8274         (__umodsi3): Likewise.
8275
8276 2005-08-20  Jakub Jelinek  <jakub@redhat.com>
8277
8278         * tree-pass.h (TDF_GRAPH): Define.
8279         * tree-dump.c (dump_options): Don't set TDF_GRAPH in "all".
8280         * passes.c (finish_optimization_passes): Only call
8281         finish_graph_dump_file if TDF_GRAPH is set.
8282         (execute_one_pass): Only call clean_graph_dump_file if dump_file !=
8283         NULL.  Set TDF_GRAPH bit.
8284         (execute_todo): Call print_rtl_graph_with_bb if TDF_GRAPH is set.
8285
8286 2005-08-20  Richard Earnshaw  <richard.earnshaw@arm.com>
8287
8288         * arm.h (arm_stack_offsets): Add locals_base field.
8289         * arm.c (arm_get_frame_offsets): Compute it.
8290         (thumb_compute_initial_elimination offset): Make the Thumb frame
8291         pointer point to the base of the local variables.
8292         (thumb_expand_prologue): Update accordingly.
8293         (thumb_expand_epilogue): Likewise.
8294
8295         * arm.md (thumb_movhi_clobber): Make this insn a define_expand.  Change
8296         mode of clobbered scratch to DImode.  Handle a case that's known to
8297         need this.
8298
8299 2005-08-19  David Edelsohn  <edelsohn@gnu.org>
8300
8301         * config/rs6000/rs6000.md (gt0<mode>): Delete.
8302         (gt0<mode>_compare): Delete.
8303         (neg_gt0<mode>): Delete.
8304
8305 2005-08-19  Eric Christopher  <echristo@apple.com>
8306
8307         * optabs.h: Change CTI_ to COI_.
8308         * optabs.c: Ditto.
8309
8310 2005-08-19  James E Wilson  <wilson@specifix.com>
8311
8312         * builtins.c (expand_builtin_return_addr): Set
8313         current_function_accesses_prior_frames when count != 0.  Use
8314         frame_pointer_rtx when count == 0.
8315         * function.h (struct function): Add accesses_prior_frames field.
8316         (current_function_accesses_prior_frames): Define.
8317         * reload1.c (init_elim_table): Check
8318         current_function_accesses_prior_frames.
8319         * doc/tm.texi (INITIAL_FRAME_ADDRESS_RTX): Update docs.
8320
8321 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8322
8323         * tree-cfgcleanup.c (cleanup_tree_cfg): Fix flowgraph change
8324         indicator.  Return true if the flowgraph changed during
8325         cleanup.
8326
8327 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8328
8329         PR 23476
8330         * tree-cfgcleanup.c (cleanup_control_expr_graph): Fold the
8331         conditional expression before testing its value.
8332
8333 2005-08-19  Diego Novillo  <dnovillo@redhat.com>
8334
8335         * doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
8336
8337 2005-08-19  Devang Patel  <dpatel@apple.com>
8338
8339         PR tree-optimization/23048
8340         * tree-if-conv.c (if_convertible_bb_p): Supply basic_block as
8341         third parameter. Check whether latch is dominated by exit
8342         block or not.
8343         (if_convertible_loop_p): Supply exit block itself to
8344         if_convertible_bb_p.
8345
8346 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8347
8348         PR target/23473
8349         * arm.md (arm_load_pic_register): Change argument to the mask of
8350         saved registers.  Call thumb_find_work_register if we need a
8351         scratch register on Thumb.
8352         (arm_expand_prologue): Pass empty register set to
8353         arm_load_pic_register.
8354         (thumb_expand_prologue): Pass live_regs_mask directly to
8355         arm_load_pic_register.
8356         * arm-protos.h (arm_load_pic_register): Update prototype.
8357
8358 2005-08-19  J"orn Rennecke <joern.rennecke@st.com>
8359
8360         * sh.c (find_sole_member): New function.
8361         (sh_gimplify_va_arg_expr): Use it. Allow RECORD_TYPE mode mismatch
8362         if the record's alignment is larger than the size of its only member.
8363
8364 2005-08-19  Richard Earnshaw  <richard.earnshaw@arm.com>
8365
8366         PR target/23436
8367         * arm.c (thumb_legitimize_reload_address): New function.
8368         * arm-protos.h (thumb_legitimize_reload_address): Add prototype.
8369         * arm.h (THUMB_LEGITIMIZE_RELOAD_ADDRESS): Call it.
8370
8371 2005-08-19  Paul Woegerer  <paul.woegerer@nsc.com>
8372
8373         * config/crx/crx.c: Implement crx_decompose_address. Reject
8374         symbolic displacements since CRX register relative adressing
8375         mode can't handle unsigned 32-bit values as displacements.
8376         * config/crx/crx.h: Simplify definitions, remove redundant
8377         parenthesis and obsolete macros.
8378         * config/crx/crx.opt: Add new switch for debugging addresses.
8379         * config/crx/crx-protos.h: Add new declarations for above.
8380
8381 2005-08-19  Andrew Pinski  <pinskia@physics.uc.edu>
8382
8383         PR middle-end/20624
8384         * gimple-low.c (block_may_fallthru): Handle CLEANUP_POINT_EXPR by
8385         looking past it.
8386
8387 2005-08-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8388
8389         * collect2.c (dup2): Delete.
8390         * configure.ac: Don't check for dup2.
8391
8392         * config.in, configure: Regenerate.
8393
8394 2005-08-18  J"orn Rennecke <joern.rennecke@st.com>
8395
8396         * sh.c (sh_gimplify_va_arg_expr): Loop to substitute a RECORD_TYPE
8397         record with the type of its only member.
8398
8399 2005-08-18  David Edelsohn  <edelsohn@gnu.org>
8400
8401         * config/rs6000/rs6000.md (ltu<mode>_compare): Convert to
8402         define_insn_and_split.
8403         (plus_ltu<mode>_compare): Same.
8404         (gtu<mode>_compare): Same.
8405         (plus_gtu<mode>_compare): Same.
8406
8407 2005-08-18  Dorit Nuzman  <dorit@il.ibm.com>
8408
8409         PR tree-optimization/22228
8410         * tree-ssa-loop (pass_vectorize): Add TODO_verify_loops to
8411         todo_flags_start.
8412         * tree-vect-transform.c (vect_transform_loop): Mark the variables that
8413         are recorded in vect_vnames_to_rename for renaming.
8414         * tree-vectorizer.c (vect_vnames_to_rename): New global bitmap.
8415         (slpeel_update_phi_nodes_for_guard1): Record virtual vars for renaming
8416         in vect_vnames_to_rename.
8417         (vectorize_loops): Allocate and free the vect_vnames_to_rename bitmap.
8418         * tree-vectorizer.h (vect_vnames_to_rename): New extern variable.
8419
8420 2005-08-18  Jan Hubicka  <jh@suse.cz>
8421
8422         PR c++/22034
8423         * cgraphunit.c (cgraph_varpool_assemble_pending_decls): Emit debug
8424         info only for local statics, not for member variables.
8425
8426 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8427
8428         * tree-data-ref.c (analyze_siv_subscript_cst_affine): Fix comment typo.
8429
8430 2005-08-18  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8431
8432         * c-typeck.c (designator_errorneous): Rename to designator_erroneous.
8433
8434 2005-08-18  Andrew Pinski  <pinskia@physics.uc.edu>
8435
8436         PR middle-end/16045
8437         * builtins.c (fold_builtin): Create a new NOP_EXPR all the time.
8438
8439 2005-08-17  James E Wilson  <wilson@specifix.com>
8440
8441         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8442         array size check.
8443
8444 2005-08-17  David Edelsohn  <edelsohn@gnu.org>
8445
8446         * config/rs6000/rs6000.md (leu<mode>): Convert to mode macro.
8447         (leu<mode>_compare): Same.
8448         (plus_leu<mode>): Same.
8449         (neg_leu<mode>): Same.
8450         (and_neg_leu<mode): Same.
8451         (ltu<mode>_compare): Same.
8452         (plus_ltu<mode>): Same.
8453         (geu<mode>): Same.
8454         (geu<mode>_compare): Same.
8455         (plus_geu<mode>): Same.
8456         (neg_geu<mode>): Same.
8457         (and_neg_geu<mode>): Same.
8458         (plus_gt<mode>): Same.
8459         (gtu<mode>_compare): Same.
8460         (plus_gtu<mode>): Same.
8461
8462 2005-08-17  Erik Christiansen  <erik@dd.nec.com.au>
8463
8464         * config/v850/lib1funcs.asm (callt_save_interrupt): Fix comment typos.
8465         Move call_table_data to end.  Delete spurious .text.
8466         (callt_save_all_interrupt): Fix comment typo.
8467
8468 2005-08-17  James E Wilson  <wilson@specifix.com>
8469             Kevin Winchester  <winchester@amirix.com>
8470
8471         PR target/21684
8472         * config/mcore/mcore.h (SHIFT_COUNT_TRUNCATED): Define to 0.
8473
8474 2005-08-17  Uros Bizjak  <uros@kss-loka.si>
8475
8476         PR target/23268
8477         * config/i386/i386.md ("*fist<mode>2_1"): New pattern.
8478         ("lrint<mode>2"): Change expander to use "*fist<mode>2_1" pattern.
8479
8480 2005-08-17  J"orn Rennecke <joern.rennecke@st.com>
8481
8482         * sh.c (sh_gimplify_va_arg_expr): Don't substitute a RECORD_TYPE
8483         record with the type of its only member if the modes don't match.
8484
8485         * varasm.c (decode_reg_name): Skip empty additional register names.
8486
8487 2005-08-16  Zdenek Dvorak  <dvorakz@suse.cz>
8488
8489         * tree-ssa-loop-im.c (MAX_LSM_NAME_LENGTH, lsm_tmp_name,
8490         lsm_tmp_name_length): New.
8491         (lsm_tmp_name_add, gen_lsm_tmp_name, get_lsm_tmp_name): New functions.
8492         (schedule_sm): Use get_lsm_tmp_name instead of "lsm_tmp".
8493
8494 2005-08-16  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
8495             Andreas Krebbel  <krebbel1@de.ibm.com>
8496
8497         * config.gcc: Added z9-109 switch.
8498         * config/s390/2084.md ("x_int", "x_agen", "x_lr", "x_la", "x_larl",
8499         "x_load", "x_store", "x_branch", "x_call", "x_mul_hi", "x_mul_sidi",
8500         "x_div", "x_sem", "x_cs", "x_vs", "x_stm", "x_lm", "x_other",
8501         "x_fsimpdf", "x_fsimpsf", "x_fdivdf", "x_fdivsf", "x_floaddf",
8502         "x_floadsf", "x_fstore_df", "x_fstoresf", "x_ftoi", "x_itof"): Enable
8503         for "z9_109" cpu attribute.
8504         * config/s390/s390.c (z9_109_cost): New processor cost structure.
8505         (CONST_OK_FOR_Os, CONST_OK_FOR_Op, CONST_OK_FOR_On): New macros.
8506         (s390_handle_arch_option): Added z9-109 switch.
8507         (override_options): Set respective cost function for z9-109.
8508         (s390_const_ok_for_constraint_p): New constraints Os, Op, On.
8509         (legitimate_reload_constant_p): Accept extended immediates.
8510         (print_operand): Three new output modifiers added: k, m and o.
8511         (s390_adjust_priority, s390_issue_rate): Handle Z9_109 like Z990.
8512         (s390_output_mi_thunk): Use extended immediate when possible.
8513         * config/s390/s390.h (processor_flags): Added PF_EXTIMM.
8514         (TARGET_CPU_EXTIMM, TARGET_EXTIMM): New macros.
8515         (CONSTRAINT_LEN): Added length of O constraint.
8516         (CLZ_DEFINED_VALUE_AT_ZERO): Definition added.
8517         * config/s390/s390.md ("cpu"): New value z9_109 added.
8518         ("*tstdi_extimm", "*tstdi_ccconly_extimm", "*tstsi_extimm",
8519         "*tstsi_cconly_extimm", "*movdi_64extimm", "*extendhidi2_extimm",
8520         "*extendqidi2_extimm", "*extendhisi2_extimm", "*extendqisi2_extimm",
8521         "*zero_extend<mode>si2_extimm", "*anddi3_extimm", "*iordi3_extimm",
8522         "*xordi3_extimm", "clzdi2", "clztidi2"): New patterns.
8523         ("*tstdi", "*tstsi", "*movdi_64", "*extendhisi2", "*extendqisi2",
8524         "*zero_extend<mode>si2_64", "zero_extendqihi2", "*zero_extendqihi2_64",
8525         "*anddi3", "*iordi3", "*xordi3"): Disable for TARGET_EXTIMM.
8526         ("*cmpdi_cct", "*cmpsi_cct", "*cmpdi_ccs", "*cmpsi_ccs", "*cmpdi_ccu",
8527         "*cmpsi_ccu", "*movsi_zarch", "*adddi3_imm_cc", "*adddi3_carry1_cc",
8528         "*adddi3_carry2_cc", "*adddi3_cc", "*adddi3_64", "*addsi3_imm_cc",
8529         "*addsi3_carry1_cc", "*addsi3_carry2_cc", "*addsi3_cc", "addsi3",
8530         "*andsi3_cc", "*andsi3_cconly", "*andsi3_zarch", "*iorsi3_cc",
8531         "*iorsi3_cconly", "*iorsi3_zarch", "*xorsi3_cc", "*xorsi3_cconly",
8532         "*xorsi3", "*xorhi3", "*xorqi3"): Added instruction using extended
8533         immediates.
8534         ("extend<mode>di2", "extend<mode>si2", "zero_extend<mode>di2",
8535         "zero_extend<mode>si2"): Allow memory operands and don't manually emit
8536         insns for TARGET_EXTIMM.
8537
8538 2005-08-17  Andreas Krebbel  <krebbel1@de.ibm.com>
8539
8540         * testsuite/gcc.dg/20020926-1.c: Added "-mesa" to dg-options.
8541
8542 2005-08-17  Nick Clifton  <nickc@redhat.com>
8543
8544         * config/stormy16/stormy16.c (xstormy16_encode_section_info):
8545         Call default_encode_section_info.
8546
8547 2005-08-17  Steven Bosscher  <stevenb@suse.de>
8548
8549         PR tree-optimization/21574
8550         * tree-ssa-ccp.c (likely_value): If the right hand side is a
8551         constant, return CONSTANT.
8552         (ccp_lattice_meet): Use operand_equal_p instead of simple_cst_equal.
8553         (ccp_fold, visit_assignment): Likewise.
8554         (evaluate_stmt): Handle UNDEFINED and UNKNOWN_VAL the same way.
8555
8556 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8557
8558         * c-typeck.c (build_function_call): Call fold_buildN_initializer or
8559         fold_buildN instead of buildN then fold_initializer or fold.
8560         (build_unary_op): Likewise.
8561         (build_binary_op): Likewise.
8562         * fold-const.c (fold_initializer): Remove.
8563         (fold_build1_initializer): New function.
8564         (fold_build2_initializer): New function.
8565         (fold_build3_initializer): New function.
8566         * tree.h (fold_initializer): Remove.
8567         (fold_build1_initializer): New function.
8568         (fold_build2_initializer): New function.
8569         (fold_build3_initializer): New function.
8570
8571 2005-08-16  James A. Morrison  <phython@gcc.gnu.org>
8572
8573         * fold-const.c (optimize_bit_field_compare): Remove extra fold call.
8574         (try_move_mult_to_index): Call fold_build2 instead of build2.
8575         (fold_binary): Don't call fold after calls to try_move_mult_to_index.
8576         * tree-ssa-loop-niter.c (inverse): Call int_const_binop instead of
8577         fold_binary_to_constant.
8578         (infer_loop_bounds_from_undefined): Call fold_build2 instead of
8579         fold (build.
8580         * tree-data-ref.c (tree_fold_divides_p): Use tree_int_cst_equal to
8581         check if A == gcd (A, B).  Remove TYPE argument.
8582         (analyze_offset) Use fold_build2 instead of fold (build.
8583         (create_data_ref): Likewise.
8584         (analyze_siv_subscript_cst_affine): Update calls to tree_fold_divides_p.
8585         * tree-ssa-ccp.c (widen_bitfield): Call fold_build2 instead of build2
8586         then fold.
8587
8588 2005-08-17  Kelley Cook  <kcook@gcc.gnu.org>
8589
8590         * config/arm/unaligned-funcs.c,config/i386/crtfastmath.c,
8591         ipa-cp.c,ipa-prop.c,ipa-prop.h: Update FSF address.
8592
8593 2005-08-16  Andrew Pinski  <pinskia@physics.uc.edu>
8594
8595         PR tree-opt/23402
8596         * gimplify.c (zero_sized_type): New function.
8597         (gimplify_modify_expr_rhs): If we have a zero sized type,
8598         replace the statement with an empty statement.
8599
8600 2005-08-16  H.J. Lu  <hongjiu.lu@intel.com>
8601
8602         * config/i386/crtfastmath.c (set_fast_math): Add "=m" for
8603         fxsave.
8604
8605 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8606
8607         * doc/tm.texi (Label Output): Correct typo.
8608
8609 2005-08-16  Steven Bosscher  <stevenb@suse.de>
8610
8611         PR target/23376
8612         * loop-unroll.c (analyze_insn_to_expand_var): Make sure that
8613         force_operand will work later on using have_insn_for.
8614
8615 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8616
8617         * fold-const.c (tree_expr_nonnegative_p): Regroup cases.
8618
8619 2005-08-16  Ian Lance Taylor  <ian@airs.com>
8620
8621         PR c++/23337
8622         * gimplify.c (gimplify_init_ctor_eval): If we see an element of
8623         vector type, don't try to construct it element by element.  Add an
8624         assertion that we use a FIELD_DECL when building a COMPONENT_REF.
8625
8626 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8627
8628         * fold-const.c (fold_ternary): Simplify folding of a CALL_EXPR.
8629
8630 2005-08-16  Geoffrey Keating  <geoffk@apple.com>
8631
8632         * doc/invoke.texi (Precompiled Headers): Document some more options
8633         which are known to be safe.
8634
8635 2005-08-16  James E Wilson  <wilson@specifix.com>
8636
8637         PR tree-optimization/21105
8638         * c-decl.c (grokdeclarator): Use TYPE_SIZE_UNIT not TYPE_SIZE in
8639         TREE_OVERFLOW check.
8640
8641 2005-08-16  David Edelsohn  <edelsohn@gnu.org>
8642
8643         * config/rs6000/rs6000.md (ltu<mode>): Convert to mode macro.
8644         (neg_ltu<mode>): Same.
8645         (gtu<mode>): Same.
8646         (neg_gtu<mode>): Same.
8647
8648 2005-08-16  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
8649
8650         * builtins.c (expand_builtin_strcat): Remove superfluous call to fold.
8651         (fold_builtin_isdigit): Use fold_buildN.
8652         (build_function_call_expr): Likewise.
8653         * c-typeck.c (c_finish_loop): Likewise.
8654
8655 2005-08-16  J"orn Rennecke <joern.rennecke@st.com>
8656             Richard Shann <rshann@superh.com>
8657
8658         PR middle-end/20396:
8659         * optabs.c (expand_binop): Take TRULY_NOOP_TRUNCATION into account.
8660
8661 2005-08-16  Sebastian Pop  <pop@cri.ensmp.fr>
8662
8663         * tree-ssa-loop-niter.c (scev_probably_wraps_p): Reword a comment.
8664
8665 2005-08-15  Richard Earnshaw  <richard.earnshaw@arm.com>
8666
8667         PR target/23355
8668         * arm.c (thumb_compute_save_reg_mask): Use similar logic to
8669         arm_compure_save_reg0_reg12_mask to determine when the PIC register
8670         must be saved.
8671
8672 2005-08-15  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
8673
8674         PR middle-end/23369
8675         * fold-const.c (build_range_check): Disable optimization for function
8676         pointer expressions on targets that require function pointer
8677         canonicalization.
8678
8679 2005-08-15  Ulrich Weigand  <uweigand@de.ibm.com>
8680
8681         * simplify-rtx.c (simplify_const_relational_operation): When
8682         extracting arguments of a COMPARE, recompute the mode as well.
8683
8684 2005-08-15  Ian Lance Taylor  <ian@airs.com>
8685
8686         * tree.c (build_string): Mark tree CONSTANT and INVARIANT.
8687
8688 2005-08-15  DJ Delorie  <dj@redhat.com>
8689
8690         * config/m32c/mov.md (movqi_op): Immediates can't be moved to
8691         the stack.
8692         (movsi_splittable): Allow, but split, moves to the stack.
8693         * config/m32c/m32c.c (m32c_split_move): Always split moves to the
8694         stack.
8695
8696 2005-08-15  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
8697
8698         * aclocal.m4 (gcc_AC_FUNC_PRINTF_PTR): Delete.
8699         * configure.ac: Don't call gcc_AC_FUNC_PRINTF_PTR.
8700         * system.h (HOST_PTR_PRINTF): Don't define, poison it.
8701
8702         * bitmap.c, c-decl.c, config/i386/i386-interix.h,
8703         config/iq2000/iq2000.c, mips-tfile.c, print-rtl.c, print-tree.c:
8704         Delete HOST_PTR_PRINTF.
8705
8706         * configure, config.in: Regenerate.
8707
8708 2005-08-15  David Edelsohn  <edelsohn@gnu.org>
8709
8710         * config/rs6000/rs6000.md (QHSI): New mode macro.
8711         (wd): Extend mode attr for QImode and HImode
8712         (dbits): New mode attr.
8713         (zero_extend<mode>di2): Convert to mode macro.
8714
8715 2005-08-15  Steve Ellcey  <sje@cup.hp.com>
8716
8717         PR target/21841
8718         * doc/invoke.texi (-mgnu-ld): Update description.
8719         (-mhp-ld): Ditto.
8720
8721 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8722
8723         PR 23391
8724         * Makefile.in (tree-chrec.o): Depends on real.h.
8725         * tree-chrec.c: Include real.h.
8726         (chrec_fold_plus_poly_poly, chrec_fold_multiply_poly_poly,
8727         chrec_fold_plus_1): Use build_real for SCALAR_FLOAT_TYPE_P.
8728         * tree-scalar-evolution.c (add_to_evolution_1,
8729         interpret_rhs_modify_expr): Ditto.
8730
8731 2005-08-15  Sebastian Pop  <pop@cri.ensmp.fr>
8732
8733         PR 23386
8734         * tree-data-ref.c (estimate_niter_from_size_of_data): When
8735         step is negative compute the estimation from init downwards to zero.
8736
8737 2005-08-14  James A. Morrison  <phython@gcc.gnu.org>
8738
8739         * fold-const (fold_binary): Call fold_build2 instead of fold (build.
8740
8741 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8742
8743         * config/s390/s390.c (s390_const_ok_for_constraint_p): Add 'P'
8744         constraint.
8745         (legitimate_reload_constant_p): Fix handling of lliXX operands.
8746         Accept double-word constants that can be split.
8747         * config/s390/s390.md ("movti"): Use 'P' constraint.
8748         ("*movdi_31", "*movdf_31"): Likewise.
8749
8750 2005-08-14  Daniel Berlin  <dberlin@dberlin.org>
8751
8752         Fix PR tree-optimization/22615
8753
8754         * tree-ssa-structalias.c (solution_set_add): Handle
8755         first_vi_for_offset returning NULL.
8756         (do_da_constraint): Ditto.
8757         (do_sd_constraint): Ditto.
8758         (do_ds_constraint): Ditto
8759         (find_func_aliases): Ditto.
8760         (build_constraint_graph): RHS is allowed be ANYTHING.
8761         (first_vi_for_offset): Return NULL if we couldn't find anything at
8762         the offset.
8763
8764 2005-08-14  Ulrich Weigand  <uweigand@de.ibm.com>
8765
8766         * config/s390/s390.c (s390_canonicalize_comparison): Prefer register
8767         over memory as first operand.
8768
8769 2005-08-14  H.J. Lu  <hongjiu.lu@intel.com>
8770
8771         PR target/23360
8772         * config/i386/crtfastmath.c (set_fast_math): Check if DAZ is
8773         available for setting it.
8774
8775 2005-08-14  Ira Rosen  <irar@il.ibm.com>
8776
8777         PR tree-optimization/23320
8778         * tree-data-ref.c (base_addr_differ_p): Add comment. Check
8779         data-refs' types instead of base object nullness. Add check for
8780         pointer type data-refs before first location comparison. Remove
8781         assert.
8782
8783 2005-08-14  Andreas Schwab  <schwab@suse.de>
8784
8785         * doc/md.texi (Machine Constraints): Fix misplaced @end table.
8786
8787 2005-08-13  James E Wilson  <wilson@specifix.com>
8788
8789         * doc/cpp.texi (__SSP__, __SSP_ALL__): Document.
8790         * doc/invoke.texi (-Wstack-protector, -fstack-protector,
8791         -fstack-protector-all, --param ssp-buffer-size): Document.
8792         (-Wvariadic-macros): Alphabetize.
8793         (-fsched-stalled-insns-dep): Add missing 'f'.
8794
8795         * c-cppbuiltin.c (c_cpp_builtins): Add comment for flag_stack_protect
8796         macros.
8797
8798 2005-08-13  David Edelsohn  <edelsohn@gnu.org>
8799
8800         * config/rs6000/rs6000.h (EXTRA_CONSTRAINT): Add 'a' for indexed
8801         or indirect address operand.
8802         (EXTRA_ADDRESS_CONSTRAINT): New.
8803         * config/rs6000/rs6000.md (prefetch): Change constraint "p" to "a".
8804
8805 2005-08-13  Sebastian Pop  <pop@cri.ensmp.fr>
8806
8807         PR tree-optimization/22236
8808         * tree-cfg.c (print_pred_bbs, print_succ_bbs): Correctly print
8809         successors and predecessors.
8810         * tree-chrec.c (chrec_convert): Before converting, check that
8811         sequences don't wrap.
8812         * tree-data-ref.c (compute_estimated_nb_iterations): Moved ...
8813         (analyze_array): Extern.
8814         (find_data_references_in_loop): Remove call to
8815         compute_estimated_nb_iterations.
8816         * tree-data-ref.h (analyze_array): Declared.
8817         * tree-flow-inline.h (single_ssa_tree_operand, single_ssa_use_operand,
8818         single_ssa_def_operand, zero_ssa_operands): Fix documentation.
8819         * tree-flow.h (scev_probably_wraps_p): Declare with an extra parameter.
8820         * tree-scalar-evolution.c (instantiate_parameters_1): Factor entry
8821         condition.
8822         * tree-ssa-loop-ivcanon.c: Fix documentation.
8823         * tree-ssa-loop-ivopts.c (idx_find_step): Add a fixme note.
8824         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): ... here.
8825         (infer_loop_bounds_from_undefined): New.
8826         (estimate_numbers_of_iterations_loop): Use
8827         infer_loop_bounds_from_undefined.
8828         (used_in_pointer_arithmetic_p): New.
8829         (scev_probably_wraps_p): Pass an extra parameter.  Call
8830         used_in_pointer_arithmetic_p.  Check that AT_STMT is not null.
8831         (convert_step): Fix documentation.
8832         * tree-vrp.c (adjust_range_with_scev): Call instantiate_parameters.
8833         Use initial_condition_in_loop_num and evolution_part_in_loop_num
8834         instead of CHREC_LEFT and CHREC_RIGHT.  Adjust the call to
8835         scev_probably_wraps_p.
8836
8837 2005-08-13  Ulrich Weigand  <uweigand@de.ibm.com>
8838
8839         * config/s390/s390.c (s390_split_branches): Revert 2005-08-12 change.
8840         (s390_register_info): Ignore clobbered_regs information for fixed
8841         registers, and only fixed registers.
8842         (s390_init_frame_layout): Remove redundant call.
8843
8844 2005-08-12  Gerald Pfeifer  <gerald@pfeifer.com>
8845
8846         * doc/invoke.texi (C++ Dialect Options): Add dynamic_cast to
8847         description of -Wold-style-casts.
8848
8849 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8850             Jakub Jelinek  <jakub@redhat.com>
8851
8852         * config/s390/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
8853         * config/s390/s390-protos.h (s390_get_thread_pointer): Prototype added.
8854         * config/s390/s390.c (print_operand): New output modifier 'G' added.
8855         (get_thread_pointer): Renamed to s390_get_thread_pointer.
8856         * config/s390/s390.md (stack_protect_set, stack_protect_test): If
8857         TARGET_THREAD_SSP_OFFSET is defined, change operands[1] to
8858         (MEM:P (PLUS:P (tp, TARGET_THREAD_SSP_OFFSET))).
8859         (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
8860         ("stack_protect_set", "stack_protect_test"): New expanders.
8861         ("stack_protect_setsi", "stack_protect_setdi", "stack_protect_testsi",
8862         "stack_protect_testdi"): New insn definitions.
8863
8864 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8865
8866         * config/s390/s390.md ("*movdf_31"): Changed constraint from P to K.
8867
8868 2005-08-12  Paul Brook  <paul@codesourcery.com>
8869
8870         * config/arm/lib1funcs.asm: Error if __ARM_ARCH__ not set.
8871
8872 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8873
8874         * config/s390/predicates.md (setmem_operand): New predicate.
8875         (shift_count_operand): Accept ANDs with special constants as
8876         operand.
8877         * config/s390/s390.c (print_shift_count_operand): Skip ANDs
8878         with special constants.
8879         * config/s390/s390.md ("setmem_long", "*setmem_long"): Replaced
8880         shift_count_operand with setmem_operand.
8881
8882 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8883
8884         * config/s390/s390.c (s390_extract_part, s390_single_part):
8885         Type cast added.
8886         (s390_const_ok_for_constraint_p): Added SImode to the N constraint.
8887         (s390_output_mi_thunk): Don't use lg on 31 bit.
8888         * config/s390/s390.md ("*movdi_31", "*movdf_31"): Added lmy and stmy.
8889         ("*llgt_sisi" and splitter): Replaced TARGET_64BIT with TARGET_ZARCH.
8890
8891 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8892
8893         * config/s390/s390.c (CONST_OK_FOR_J, CONST_OK_FOR_K): New macros.
8894         (s390_select_ccmode, s390_rtx_costs, legitimate_reload_constant_p,
8895         s390_init_frame_layout, s390_emit_prologue, s390_emit_epilogue,
8896         s390_output_mi_thunk): Replaced uses of CONST_OK_FOR_CONSTRAINT_P
8897         with one of the new macros.
8898
8899 2005-08-12  Andreas Krebbel  <krebbel1@de.ibm.com>
8900
8901         * config/s390/s390.c (s390_split_branches, s390_init_frame_layout):
8902         Don't set save_return_addr_p.
8903         (s390_register_info): Make clobbered_regs not depending on
8904         save_return_addr_p.
8905
8906 2005-08-12  Kaz Kojima  <kkojima@gcc.gnu.org>
8907
8908         * gcc.c (LINK_SSP_SPEC): Remove space before a trailing }.
8909         (LINK_COMMAND_SPEC): Add space after %(link_ssp).
8910
8911 2005-08-11  James E. Wilson  <wilson@specifix.com>
8912
8913         * config/ia64/ia64.h (EXTRA_MEMORY_CONSTRAINT): New.
8914
8915 2005-08-11  Jakub Jelinek  <jakub@redhat.com>
8916
8917         * dwarf2out.c (add_location_or_const_value_attribute): Prefer
8918         locations gathered by var-tracking in single entry loc_list
8919         over loc_descriptor_from_tree.
8920
8921         * dwarf2out.c (concat_loc_descriptor): Add can_use_fbreg argument,
8922         pass it down to loc_descriptor.
8923         (loc_descriptor): Pass can_use_fbreg to concat_loc_descriptor.
8924         (containing_function_has_frame_base): Move earlier in the file.
8925         (loc_descriptor_from_tree_1): Use containing_function_has_frame_base
8926         instead of always assuming fbreg can't be used.
8927
8928 2005-08-11  David Edelsohn  <edelsohn@gnu.org>
8929
8930         * config/rs6000/altivec.md: Change constraint "m" to "Z".
8931         * config/rs6000/predicates.md (indexed_or_indirect_operand):
8932         Accept address wrapped in AND for Altivec.
8933         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
8934         Strip AND wrapping offset address for Altivec.
8935
8936 2005-08-11  Richard Henderson  <rth@redhat.com>
8937
8938         PR middle-end/23312
8939         * gimplify.c (gimplify_one_sizepos): Check for INTEGER_TYPE
8940         before using TYPE_IS_SIZETYPE.
8941
8942 2005-08-11  Richard Henderson  <rth@redhat.com>
8943
8944         PR target/22225
8945         * config/alpha/alpha.c (alphaev4_insn_pipe): Add take pipes for
8946         insn types not present on ev4.
8947         (alphaev5_insn_pipe): Similarly.
8948
8949 2005-08-11  Richard Earnshaw  <richard.earnshaw@arm.com>
8950
8951         PR target/23250
8952         * arm.c (arm_override_options): If the user has selected callee-super-
8953         interworking, then enable normal interworking.
8954
8955 2005-08-11  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
8956
8957         * config/i386/x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Undef before
8958         redefinition.
8959
8960 2005-08-11  Wu Zhou  <woodzltc@cn.ibm.com>
8961
8962         * doc/rtl.texi: Fix two typos.
8963
8964 2005-08-11  Richard Guenther  <rguenther@suse.de>
8965
8966         PR target/23289
8967         * config/i386/i386.c (ix86_function_ok_for_sibcall): Handle
8968         cases where we call to/from functions returning void.
8969
8970 2005-08-10  James A. Morrison  <phython@gcc.gnu.org>
8971
8972         PR c++/23225
8973         * tree.c (build_pointer_type_for_mode): Robustify.
8974
8975 2005-08-10  James E Wilson  <wilson@specifix.com>
8976
8977         * defaults.h, config/alpha/alpha.h, config/ia64/ia64.h
8978         (ASM_OUTPUT_ADDR_VEC_ELT): Delete.
8979
8980         * config/alpha/alpha.c (alpha_arg_partial_bytes): Change "(CUM)." to
8981         "cum->".
8982
8983 2005-08-10  Eric Christopher  <echristo@apple.com>
8984
8985         * config/rs6000/rs6000.c (mems_ok_for_quad_peep): Rewrite.
8986         * config/rs6000/rs6000.md (*lfq_power2, *stfq_power2): Use
8987         V2DFmode.
8988
8989 2005-08-10  Andrew Pinski  <pinskia@physics.uc.edu>
8990
8991         PR target/21887
8992         * config/darwin.c (machopic_indirect_data_reference): Use a new register
8993         for the high part when generating dynamic-no-pic code.
8994
8995 2005-08-10  H.J. Lu  <hongjiu.lu@intel.com>
8996
8997         * config.gcc (i[34567]86-*-linux*): Add i386/t-crtfm to tm-file.
8998         (x86_64-*-linux*): Likewise.
8999
9000         * config/i386/crtfastmath.c: New file.
9001         * config/i386/t-crtfm: Likewise.
9002
9003         * config/i386/linux.h (ENDFILE_SPEC): New.
9004         * config/i386/linux64.h (ENDFILE_SPEC): Likewise.
9005
9006         * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
9007         crtfastmath.o.
9008
9009 2005-08-10  Dorit Nuzman  <dorit@il.ibm.com>
9010
9011         * doc/md.texi: (reduc_smin, reduc_umin, reduc_splus, reduc_uplus):
9012         (vec_shl, vec_shr): Document new operations.
9013         * tree.def (VEC_RSHIFT_EXPR, VEC_LSHIFT_EXPR): Fix comment.
9014
9015 2005-08-10  David Edelsohn  <edelsohn@gnu.org>
9016
9017         * config/rs6000/predicates.md (indexed_or_indirect_address): New.
9018         * config/rs6000/rs6000.md (prefetch): Remove operand 0 mode and
9019         change predicate to indexed_or_indirect_address.
9020
9021 2005-08-10  Richard Sandiford  <richard@codesourcery.com>
9022
9023         * config/arm/lib1funcs.asm (__aeabi_uidiv, __aeabi_idiv): New aliases.
9024         * config/arm/libgcc-bpabi.ver (GCC_3.5): Add __aeabi_idiv,
9025         __aeabi_uidiv, __aeabi_uread4, __aeabi_uread8, __aeabi_uwrite4
9026         and __aeabi_uwrite8.
9027         * config/arm/unaligned-funcs.c: New file.
9028         * config/arm/t-bpabi (LIB2FUNCS_EXTRA): Add unaligned-funcs.c.
9029
9030 2005-08-09  Paolo Bonzini  <bonzini@gnu.org>
9031
9032         * bb-reorder.c (pass_duplicate_computed_gotos, pass_partition_blocks):
9033         Add dump.
9034         * cfglayout.c (pass_insn_locators_initialize): Add dump.
9035         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes):
9036         Add dump.
9037         * except.c (pass_convert_to_eh_region_ranges): Add dump.
9038         * final.c (pass_shorten_branches): Add dump.
9039         * flow.c (pass_recompute_reg_usage, pass_remove_death_notes): Add dump.
9040         (pass_life): Rename dump.
9041         (rest_of_handle_flow2): Remove initial verify_flow_info.
9042         * function.c (pass_instantiate_virtual_regs): Add dump.
9043         * integrate.c (pass_initial_value_sets): Add dump.
9044         * jump.c (pass_cleanup_barriers, pass_purge_lineno_notes): Add dump.
9045         * loop-init.c (pass_rtl_loop_init, pass_rtl_loop_done): Rename dump.
9046         (pass_rtl_move_loop_invariants, pass_rtl_unswitch, pass_rtl_doloop,
9047         pass_rtl_unroll_and_peel_loops): Rename dump and add gate.
9048         (gate_rtl_move_loop_invariants, gate_rtl_unswitch, gate_rtl_doloop,
9049         gate_rtl_unrool_and_peel_loops): New.
9050         (rtl_move_loop_invariants, rtl_unswitch, rtl_unrool_and_peel_loops,
9051         rtl_doloop): Do not look at flags.
9052         * mode-switching.c (pass_mode_switching): Add dump.
9053         * recog.c (pass_split_all_insns, pass_split_for_shorten_branches,
9054         pass_split_before_regstack): Add dump.
9055         * regmove.c (pass_stack_adjustments): Add dump.
9056         * tree-optimize.c (pass_fixup_cfg): Add dump.
9057
9058 2005-08-10  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
9059
9060         PR 23309
9061         * config/m32r/m32r.c (m32r_reload_lr): Fix off by one error when
9062         deciding which instruction sequence to use.
9063
9064 2005-08-09  Dorit Nuzman  <dorit@il.ibm.com>
9065
9066         * tree-vect-transform.c (vect_create_epilog_for_reduction): Set
9067         BIT_FIELD_REF_UNSIGNED for newly created BIT_FIELD_REFs.
9068
9069 2005-08-09  Richard Guenther  <rguenther@suse.de>
9070
9071         * c-common.c (builtin_function_2): Remove.
9072         (def_builtin_1): New function.
9073         (c_common_nodes_and_builtins): Use def_builtin_1 to
9074         build builtin functions.
9075
9076 2005-08-09  Jie Zhang  <jie.zhang@analog.com>
9077
9078         * config/bfin/uclinux.h (NO_IMPLICIT_EXTERN_C): Define.
9079         * config/bfin/elf.h (NO_IMPLICIT_EXTERN_C): Define.
9080         * config/bfin/bfin.c (bfin_return_in_memory): Update to really match
9081         Visual DSP.
9082
9083 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
9084
9085         * tree-ssa-loop-niter.c (tree_simplify_using_condition_1): Use
9086         fold_binary instead of fold_build2 since we don't care about the
9087         resulting tree.
9088         (loop_niter_by_eval): Likewise.
9089         (compare_trees): Likewise.
9090         (proved_non_wrapping_p): Likewise.
9091
9092 2005-08-09  James A. Morrison  <phython@gcc.gnu.org>
9093
9094         PR c/23161
9095         PR c/23165
9096         * c-typeck.c (c_finish_if_stmt): Look into STATEMENT_LISTs to see
9097         if the if is really empty.
9098
9099 2005-08-09  Steven Bosscher  <stevenb@suse.de>
9100
9101         PR tree-optimization/23234
9102         * tree-ssa-math-opts.c (place_reciprocal): New enum.
9103         (execute_cse_reciprocals_1): Replace the 'phi' argument with an
9104         argument of the new enum.
9105         (execute_cse_reciprocals): Add reciprocals for function arguments
9106         on the unique successor edge of the entry block.  Update other calls
9107         to execute_cse_reciprocals_1.
9108
9109 2005-08-08  Richard Henderson  <rth@redhat.com>
9110
9111         PR 22439
9112         * gimplify.c (gimplify_one_sizepos): Preserve the original type.
9113
9114 2005-08-08  Bob Wilson  <bob.wilson@acm.org>
9115
9116         * expr.c (write_complex_part): Return after handling MEM.
9117
9118 2005-08-08  Josh Conner  <jconner@apple.com>
9119
9120         PR rtl-optimization/23241
9121         * combine.c (simplify_comparison): Fix error in determining
9122         whether to lift a subreg from comparison.
9123
9124 2005-08-08  David Edelsohn  <edelsohn@gnu.org>
9125
9126         PR target/18506
9127         * config/rs6000/altivec.md (vec_init<mode>): New.
9128         (vec_set<mode>): New.
9129         (vec_extract<mode>): New.
9130         * config/rs6000/rs6000.c (rs6000_expand_vector_init): New.
9131         (rs6000_expand_vector_set): New.
9132         (rs6000_expand_vector_extract): New.
9133         (rs6000_legitimate_offset_address_p): Offset addresses are valid
9134         for Altivec modes before reload.
9135         (altivec_expand_vec_init_builtin): New.
9136         (get_element_number): New.
9137         (altivec_expand_vec_set_builtin): New.
9138         (altivec_expand_vec_ext_builtin): New.
9139         (altivec_expand_builtin): Expand vec_init, vec_set, and vec_ext
9140         builtins.
9141         (altivec_init_builtins): Init vec_init, vec_set, and vec_ext
9142         builtins.
9143         * config/rs6000/rs6000.h (rs6000_builtins): Add
9144         ALTIVEC_BUILTIN_VEC_INIT_<mode>, ALTIVEC_BUILTIN_VEC_SET_<mode>,
9145         ALTIVEC_BUILTIN_VEC_EXT_<mode>.
9146         * config/rs6000/rs6000-protos.h: Declare new functions.
9147
9148 2005-08-08  Jan Hubicka  <jh@suse.cz>
9149
9150         * i386.c (legitimate_pic_address_disp_p): Refuse GOTOFF in 64bit mode.
9151         (legitimate_address_p): Refuse GOT and GOTOFF in 64bit mode.
9152         * i386.md (movdi*): Use pic_32bit_operand.
9153         * predicates.md (pic_32bit_operand): New.
9154
9155 2005-08-08  Nathan Sidwell  <nathan@codesourcery.com>
9156
9157         PR c++/21166
9158         * stor-layout.c (finalize_type_size): Undo DECL_PACKED when possible.
9159
9160 2005-08-07  James A. Morrison  <phython@gcc.gnu.org>
9161
9162         * tree-vrp.c (simplify_div_or_mod_using_range): Use build2.
9163         (test_for_singularity): Use fold_build2.
9164
9165 2005-08-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9166
9167         * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Fix loop upper bound.
9168
9169 2005-08-07  Danny Smith  <dannysmith@users.sourceforge.net>
9170
9171         * config/i386/cygming.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
9172         (COMMON_ASM_OP) Define.
9173         * config/i386/i386.c (ix86_in_large_data_p): Add ATTRIBUTE_UNUSED
9174         (ix86_encode_section_info): Likewise.
9175         (TARGET_ENCODE_SECTION_INFO): Conditionally define as
9176         SUBTARGET_ENCODE_SECTION_INFO.
9177
9178 2005-08-06  Richard Henderson  <rth@redhat.com>
9179
9180         PR 21894
9181         * tree-nested.c (convert_local_reference): Save and restore val_only
9182         around component_ref and friends.  Clear walk_subtrees by default.
9183
9184 2005-08-06  Peter O'Gorman  <peter@pogma.com>
9185
9186         PR 21366
9187         * gcc.c (process_command): Check the argument to -b has a dash.
9188         * doc/invoke.texi: Update -b and -V docs.
9189
9190 2005-08-06  James E Wilson  <wilson@specifix.com>
9191
9192         * config/mips/cross64.h, config/mips/t-cross64: Delete.
9193
9194 2005-08-06  Michael Matz  <matz@suse.de>
9195
9196         * genattrtab.c (write_attr_get, write_attr_case): Use insn_code
9197         member only if only one insn is associated with the value.
9198
9199 2005-08-06  Nick Clifton  <nickc@redhat.com>
9200
9201         * config/stormy16/stormy16.h (SYMBOL_FLAG_XSTORMY16_BELOW100):
9202         New define.
9203         (ASM_OUTPUT_LABELREF): Delete - it is no longer needed.
9204         * config/stormy16/stormy16.c (xstormy16_below100_symbol):
9205         Check symbol flags instead of symbol name mangling.
9206         (xstormy16_asm_output_aligned_common): Likewise.  Also
9207         simplify code since the bss100_section cass is the only case
9208         where the below100 code will be triggered.
9209         (xstormy16_encode_section_info): Encode below100 attribute
9210         using the SYMBOL_FLAG_XSTORMY16_BELOW100 instead of mangling
9211         the name.
9212         (xstormy16_strip_name_encoding): Delete - this function is no
9213         longer needed.
9214         (TARGET_STRIP_NAME_ENCODING): Undefine.
9215         * config/stormy16/stormy16-protos.h: Delete prototype for
9216         xstormy16_strip_name_encoding.
9217
9218 2005-08-06  Kazu Hirata  <kazu@codesourcery.com>
9219
9220         * Makefile.in, cfgexpand.c, cfgloop.h, cfgloopmanip.c,
9221         config.gcc, ipa-cp.c, ipa-prop.c, ipa-prop.h, reg-stack.c,
9222         tree-ssa-structalias.c, tree-vrp.c, value-prof.c, vec.h,
9223         config/linux.h, config/alpha/alpha.h, config/alpha/linux.h,
9224         config/alpha/predicates.md, config/arc/arc.h,
9225         config/arm/arm.h, config/arm/ieee754-df.S,
9226         config/arm/ieee754-sf.S, config/bfin/bfin.c,
9227         config/bfin/bfin.h, config/c4x/c4x.h, config/crx/crx.c,
9228         config/fr30/fr30.h, config/frv/frv.h, config/h8300/h8300.h,
9229         config/i386/i386.h, config/ia64/ia64.c, config/ia64/ia64.h,
9230         config/m68hc11/m68hc11.h, config/mips/mips.c,
9231         config/mips/mips.h, config/mips/openbsd.h,
9232         config/mn10300/mn10300.h, config/pa/pa.c, config/pa/pa.h,
9233         config/pdp11/pdp11.h, config/rs6000/linux-unwind.h,
9234         config/rs6000/rs6000.c, config/rs6000/rs6000.h,
9235         config/s390/s390.c, config/sh/sh.c, config/sh/sh.h,
9236         config/sparc/linux.h, config/sparc/linux64.h,
9237         config/sparc/sparc.h, config/v850/v850.h, config/vax/vax.h,
9238         doc/extend.texi, doc/gcov.texi, doc/install.texi,
9239         doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix comment/doc
9240         typos.  Follow spelling conventions.
9241
9242 2005-08-06  Joseph S. Myers  <joseph@codesourcery.com>
9243
9244         PR c/23113
9245         * stmt.c (warn_if_unused_value): Check TREE_NO_WARNING at start.
9246         Don't handle NOP_EXPR, CONVERT_EXPR and NON_LVALUE_EXPR
9247         specially.  Check for side effects only for COND_EXPR.
9248         * c-typeck.c (c_finish_stmt_expr): Mark statement expression
9249         return with TREE_NO_WARNING.
9250
9251 2005-08-06  Richard Sandiford  <richard@codesourcery.com>
9252
9253         PR rtl-optimization/23233
9254         * loop.c (combine_movables): Require the modes to be the same.
9255         (move_movables): Remove handling of cases where the replacement
9256         had a different mode to the original.
9257
9258 2005-08-05  James A. Morrison  <phython@gcc.gnu.org>
9259
9260         PR tree-optimization/23128
9261         * tree-vrp.c (vrp_int_const_binop): Check if unsigned addition or
9262         subtraction wrap, and set TREE_OVERFLOW if they do.
9263
9264 2005-08-05  Richard Henderson  <rth@redhat.com>
9265
9266         PR 21728
9267         * tree-cfg.c (remove_bb): Transmute DECL_NONLOCAL labels into
9268         FORCED_LABEL labels.
9269
9270 2005-08-05  J"orn Rennecke <joern.rennecke@st.com>
9271
9272         PR middle-end/23135
9273         * reload.c (find_reloads_subreg_address): Pass down TYPE
9274         unchanged.  Change all callers except find_reloads_toplev.
9275
9276 2005-08-05  Michael Matz  <matz@suse.de>
9277
9278         * genattrtab.c (current_alternative_string): Remove.
9279         (SIMPLIFY_ALTERNATIVE): Ditto.
9280         (attr_alt_bit_p): Ditto.
9281         (alternative_name): Make const char *.
9282         (evaluate_eq_attr): Remove use of above things.
9283         (simplify_test_exp): Ditto.
9284         (simplify_test_exp <EQ_ATTR>): Guard for insn_code < 0 .
9285         (simplify_test_exp <AND>): Correct typo (test 'right' not 'left').
9286
9287 2005-08-04  James E Wilson  <wilson@specifix.com>
9288
9289         * config/ptx4.h, config/sol2.h, config/arm/freebsd.h,
9290         config/arm/linux-elf.h, config/frv/frv.h, config/i386/freebsd.h,
9291         config/i386/freebsd64.h, config/i386/netware.h, config/i386/sco5.h,
9292         config/ia64/freebsd.h, config/rs6000/sysv4.h, config/sparc/freebsd.h
9293         (LINK_SPEC): Delete useless %{Wl,*:%*} item.
9294
9295 2005-08-04  Richard Henderson  <rth@redhat.com>
9296
9297         PR 21529
9298         * params.def (PARAM_SRA_MAX_STRUCTURE_COUNT): New.
9299         * params.h (SRA_MAX_STRUCTURE_COUNT): New.
9300         * tree-sra.c (decide_block_copy): Use it.  Disable element copy
9301         if we'd have to instantiate too many members.
9302
9303 2005-08-04  Richard Henderson  <rth@redhat.com>
9304
9305         PR 21291
9306         * tree-outof-ssa.c (coalesce_asm_operands): New.
9307         (coalesce_ssa_name): Use it.  Split out ...
9308         (coalesce_phi_operands, coalesce_result_decls): ... these.
9309
9310 2005-08-04  Paul Brook  <paul@codesourcery.com>
9311
9312         * read-rtl.c (read_quoted_string): Break if EOF.
9313
9314 2005-08-04  Andrew Pinski  <pinskia@physics.uc.edu>
9315
9316         * tree.h (fold_build1): Change to macro and call fold_build1_stat.
9317         (fold_build2): Likewise.
9318         (fold_build3): Likewise.
9319         (fold_build1_stat): New function prototype.
9320         (fold_build2_stat): Likewise.
9321         (fold_build3_stat): Likewise.
9322         * fold-const.c (fold_build1): Rename to ..
9323         (fold_build1_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9324         through to build1_stat.
9325         (fold_build2): Rename to ..
9326         (fold_build2_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9327         through to build2_stat.
9328         (fold_build3): Rename to ..
9329         (fold_build3_stat): this.  Add MEM_STAT_DECL.  Pass the mem stats
9330         through to build3_stat.
9331
9332 2005-08-04  David Edelsohn  <edelsohn@gnu.org>
9333             Ian Lance Taylor  <ian@airs.com>
9334
9335         * function.c (assign_stack_local_1): Do not correct stack slot
9336         address if allocation size is smaller than mode size.
9337
9338 2005-08-04  Diego Novillo  <dnovillo@redhat.com>
9339
9340         PR 22037
9341         * tree-cfg.c (replace_uses_by): Call mark_new_vars_to_rename.
9342         (tree_merge_blocks): Propagate anything allowed by
9343         may_propagate_copy.
9344         Clarify documentation.
9345         * passes.c (execute_todo): If cleanup_tree_cfg invalidated the
9346         SSA form, schedule an update if necessary.
9347
9348 2005-08-04  Gerald Pfeifer  <gerald@pfeifer.com>
9349
9350         * doc/install.texi (Binaries): Remove broken link to
9351         Sinix/Reliant Unix binaries.
9352
9353 2005-08-03  Richard Henderson  <rth@redhat.com>
9354
9355         PR 23221
9356         * function.c (stack_protect_epilogue): Export.
9357         * tree.h (stack_protect_epilogue): Declare.
9358         * calls.c (expand_call): Call it.
9359
9360 2005-08-03  Eric Christopher  <echristo@apple.com>
9361
9362         * gcc.c (LINK_SSP_SPEC): Add fstack-protector-all.
9363         * config/darwin.h (LINK_COMMAND_SPEC): Add link_ssp
9364         spec.
9365
9366 2005-08-04  Jan Hubicka  <jh@suse.cz>
9367
9368         * profile.c (branch_prob): Split edges with goto locus on them
9369         to get proper line counts.
9370         * tree-cfg.c (make_cond_expr_edges): Record user goto locuses, if any.
9371
9372 2005-08-03  Paul Brook  <paul@codesourcery.com>
9373
9374         * function.c (assign_parms): Round current_function_args_size
9375         to PARM_BOUNDARY, not STACK_BOUNDARY.
9376
9377 2005-08-03  Geoffrey Keating  <geoffk@apple.com>
9378
9379         * config/i386/i386.c (x86_elf_aligned_common)
9380         (x86_output_aligned_bss): Don't try to use symbols that aren't defined.
9381
9382 2005-08-03  Zdenek Dvorak  <dvorakz@suse.cz>
9383
9384         PR tree-optimization/23157
9385         * tree-scalar-evolution.c (scev_const_prop): Unshare trees
9386         before emitting them.
9387
9388 2005-08-03  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9389
9390         PR tree-optimization/19899
9391         * Makefile.in (tree-scalar-evolution.o): Add real.h.
9392         * tree-scalar-evolution.c: Include real.h.
9393         (add_to_evolution): Build constant -1 of correct type.
9394
9395 2005-08-03  Jan Hubicka  <jh@suse.cz>
9396
9397         * cfgloop.h (DLTHE_FLAG_COMPLETTE_PEEL): New flag.
9398         * cfgloopmanip.c (duplicate_loop_to_header_edge): Special case
9399         profile updating for complette unrolling.
9400         * loop-unroll.c (peel_loop_completely): Use it.
9401         * tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Likewise.
9402         (tree_unroll_loops_completely): Disable code growing unrolling of cold
9403         loops.
9404
9405 2005-08-03  Paul Brook  <paul@codesourcery.com>
9406
9407         * combine.c (can_change_dest_mode): New function.
9408         (try_combine, simplify_set): Use it.
9409
9410 2005-08-03  Eric Botcazou  <ebotcazou@adacore.com>
9411
9412         * config/ia64/hpux.h (MEMBER_TYPE_FORCES_BLK): Only force
9413         TFmode to BLKmode.
9414
9415 2005-08-03  Gerald Pfeifer  <gerald@pfeifer.com>
9416
9417         * doc/install.texi (Specific): Adjust link to openavr.org.
9418         (Specific): Remove broken reference to GCC 2.8.1 for OS/2.
9419         (Binaries): Adjust HP-UX Porting Center link.
9420         (Binaries): Adjust Free Software Foundation ordering link.
9421
9422 2005-08-03  Andrew Pinski  <pinskia@physics.uc.edu>
9423
9424         * convert.c (convert_to_integer): Use fold_build1 instead of
9425         build1 when converting an integer to an integer.
9426
9427 2005-08-02  Richard Henderson  <rth@redhat.com>
9428
9429         * combine.c (combine_instructions): Don't use reg_equal/equiv
9430         results if the mode doesn't match.
9431
9432 2005-08-02  Mark Mitchell  <mark@codesourcery.com>
9433
9434         * config/i386/t-mingw32 (NATIVE_SYSTEM_HEADER_DIR): Set it.
9435         * doc/fragments.texi (NATIVE_SYSTEM_HEADER_DIR): Document it.
9436
9437 2005-08-02  Richard Henderson  <rth@redhat.com>
9438
9439         PR 23196
9440         * explow.c (memory_address): Remove special-case for
9441         virtual_stack_vars_rtx and virtual_incoming_args_rtx.
9442
9443 2005-08-02  Diego Novillo  <dnovillo@redhat.com>
9444
9445         PR 23164
9446         * tree-cfgcleanup.c (cleanup_tree_cfg): Do not limit the
9447         number of calls to cleanup_tree_cfg_1.
9448
9449 2005-08-02  Martin Reinecke  <martin@mpa-garching.mpg.de>
9450
9451         * doc/invoke.texi: document file extensions .F90 and .F95
9452
9453 2005-08-02  Richard Guenther  <rguenther@suse.de>
9454
9455         * fold-const.c (tree_expr_nonnegative_p): frexp(x, &e) is
9456         positive if its first argument is positive.
9457
9458 2005-08-02  Richard Guenther  <rguenther@suse.de>
9459
9460         PR tree-optimization/23177
9461         * tree-ssa-operands.c (get_tmr_operands): Use get_expr_operands
9462         on TMR_TAG.
9463
9464 2005-08-02  James A. Morrison  <phython@gcc.gnu.org>
9465
9466         PR tree-optimization/23129
9467         * tree-vrp.c (extract_range_from_binary_expr): Set value range to
9468         varying for divisions with anti-ranges.
9469
9470 2005-08-02  Jan Hubicka  <jh@suse.cz>
9471
9472         * tree-ssa-dom.c (thread_across_edge): Remove updating here.
9473         * tree-ssa-threadupdate.c (thread_block): Add it here.
9474
9475 2005-08-01  James E Wilson  <wilson@specifix.com>
9476
9477         * config/mips/mips.c (mips_encode_section_info, mips_attribute_table,
9478         TARGET_ENCODE_SECTION_INFO, TARGET_ATTRIBUTE_TABLE): New.
9479         * config/mips/mips.h (SYMBOL_FLAG_LONG_CALL, SYMBOL_REF_LONG_CALL_P):
9480         New.
9481         * config/mips/predicates.md (const_call_insn_operand): Add check for
9482         SYMBOL_REF_LONG_CALL_P.
9483         * doc/extend.texi (long_call): Document the new attribute.
9484
9485 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9486             Richard Henderson  <rth@redhat.com>
9487
9488         * Makefile.in (RTL_BASE_H): Add real.h.
9489         * real.h (REAL_VALUE_FROM_CONST_DOUBLE): Use structure copy
9490         instead of memcpy.
9491         * emit-rtl.c (const_double_from_real_value): Likewise; use rtx.u.rv
9492         directly.
9493         * rtl.c (rtl_check_failed_code_mode): New.
9494         * rtl.h (struct rtx_def): Add u.rv.
9495         (XCMWINT, XCNMPRV): New.
9496         (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH): Use XCMWINT.
9497         (CONST_DOUBLE_REAL_VALUE): Use XCNMPRV; constify.
9498
9499 2005-08-01  Richard Henderson  <rth@redhat.com>
9500
9501         * dwarf2out.c (mem_loc_descriptor): Use XEXP, not SUBREG_REG,
9502         with auto-inc codes.
9503
9504         * config/alpha/predicates.md (and_operand): Test mode of CONST_DOUBLE.
9505
9506 2005-08-01  Jan Hubicka  <jh@suse.cz>
9507
9508         * i386-protos.h (asm_preferred_eh_data_format): Declare.
9509         * i386.c: Include dwarf2.h
9510         (asm_preferred_eh_data_format): New.
9511         * i386.h (ASM_PREFERRED_EH_DATA_FORMAT): Move offline.
9512
9513 2005-08-01  Ian Lance Taylor  <ian@airs.com>
9514
9515         * config/host-linux.c (linux_gt_pch_get_address): Add new name
9516         randomize_va_space for virtual address randomization control.
9517
9518 2005-08-01  Steven Bosscher  <stevenb@suse.de>
9519
9520         * common.opt (flag_ipa_cp): Put in right place to maintain
9521         alphabetic sort.
9522
9523 2005-08-01  Jan Hubicka  <jh@suse.cz>
9524
9525         * profile.c (compute_value_histograms): Fix thinko.
9526         * value-prof.c: Include toplev.h
9527         (check_counter): New function.
9528         (tree_divmod_fixed_value_transform, tree_mod_pow2_value_transform,
9529         tree_mod_subtract_transform): Add sanity check.
9530
9531 2005-08-01  Richard Guenther  <rguenther@suse.de>
9532
9533         PR tree-optimization/23133
9534         * tree-ssa-math-opts.c (execute_cse_reciprocals): Walk
9535         current functions parameter decls to find defs to cse
9536         reciprocals of.
9537
9538 2005-08-01  Richard Guenther  <rguenther@suse.de>
9539
9540         PR tree-optimization/23109
9541         * tree-ssa-math-opts.c (execute_cse_reciprocals_1):
9542         If trapping math is in effect, use post-dominator information
9543         to check if we'd in any case reach a trapping point before
9544         doing the reciprocal insertion.
9545         (execute_cse_reciprocals): Compute post-dominators, if necessary.
9546         * tree-ssa-loop-im.c (determine_invariantness_stmt): RDIV
9547         expressions are invariant only if trapping math is not in effect.
9548
9549 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9550
9551         * cgraph.h (update_call_expr, cgraph_copy_node_for_versioning,
9552         cgraph_function_versioning): New declarations.
9553         * cgraphunit.c: Add include to ipa-prop.h.
9554         (update_call_expr, cgraph_copy_node_for_versioning,
9555         cgraph_function_versioning): New functions.
9556         * integrate.c (copy_decl_for_inlining): Remove.
9557         * ipa-prop.h (ipa_replace_map): New struct.
9558         (struct ipa_node): Add ipcp_orig_node, count_scale, new fields.
9559         * ipa-cp.c (ipcp_method_orig_node, ipcp_method_is_cloned,
9560         ipcp_method_set_orig_node, ipcp_cloned_create, ipcp_method_get_scale,
9561         ipcp_method_set_scale, ipcp_method_compute_scale, ipcp_after_propagate,
9562         ipcp_iterate_stage, ipcp_method_scale_print,
9563         ipcp_profile_mt_count_print, ipcp_profile_cs_count_print,
9564         ipcp_profile_edge_print, ipcp_profile_bb_print , ipcp_profile_print,
9565         ipcp_replace_map_create, ipcp_redirect, ipcp_update_callgraph,
9566         ipcp_update_bb_counts, ipcp_update_profiling,
9567         ipcp_update_edges_counts): New functions.
9568         (ipcp_method_cval_init): Remove restriction regarding local methods.
9569         (ipcp_init_stage): Add ipcp_method_compute_scale.
9570         (ipcp_insert_stage): Add versioning.
9571         (ipcp_structures_print): Add ipcp_method_scale_print.
9572         (ipcp_driver): Dump profiling info.
9573         * Makefile.in: Remove integrate.h dependency from tree-inline.o.
9574         Add ipa-prop.h dependency to tree-inline.o and cgraphunit.o.
9575         * tree-inline.c: Remove include to integrate.h, Add include ipa-prop.h.
9576         (struct inline_data): Add versioning_p, ipa_info, new fields.
9577         (remap_decl, mark_local_for_remap_r, setup_one_parameter,
9578         declare_return_variable): Replace calls to copy_decl_for_inlining with
9579         copy_decl_for_dup.
9580         (copy_body_r, copy_bb, copy_cfg_body, copy_tree_r, inlining_p): Add
9581         versioning support.
9582         (copy_decl_for_dup): Rename from copy_decl_for_inlining.
9583         Add argument VERSIONING.
9584         (copy_arguments_for_versioning, copy_static_chain,
9585         function_versionable_p, tree_versionable_function_p,
9586         tree_function_versioning, replace_ref_tree): New functions.
9587         * tree-inline.h: Include varray.h.
9588         (tree_versionable_function_p,  tree_function_versioning,
9589         tree copy_decl_for_dup): New declarations.
9590
9591 2005-08-01  Razya Ladelsky  <razya@il.ibm.com>
9592
9593         * ipa-cp.c: New file. Contains IPCP specific functionality.
9594         * ipa-prop.h: New file. Contains structures/definitions that can be
9595         used by several interprocedural data flow optimizations (and also IPCP).
9596         * ipa-prop.c: New file.
9597         * Makefile.in: Add ipa-cp.c, ipa-prop.h, ipa-prop.c.
9598         * common.opt: Add ipa-cp flag.
9599         * timevar.def: Add IPCP optimization.
9600         * tree-optimize.c (init_tree_optimization_passes): Schedule
9601         pass_ipa_cp.
9602         * tree-pass.h (pass_ipa_cp): Declare.
9603
9604 2005-08-01  Kazu Hirata  <kazu@codesourcery.com>
9605
9606         * dwarf2out.c, fold-const.c, ipa-type-escape.c,
9607         loop-invariant.c, predict.c, predict.def, reload1.c, reorg.c,
9608         tree-sra.c, config/arm/arm.c, config/crx/crx.c,
9609         config/i386/i386.c, config/mips/mips.h,
9610         config/rs6000/rs6000.h, config/sh/sh.c,
9611         config/stormy16/stormy16.c: Fix comment typos.
9612
9613 2005-08-01  Joseph S. Myers  <joseph@codesourcery.com>
9614
9615         PR c/22311
9616         * c-typeck.c (build_binary_op): Use common_type wrapper on
9617         shortened types.
9618         (common_type): Update comment.
9619
9620 2005-07-31  Steven Bosscher  <stevenb@suse.de>
9621
9622         PR target/23095
9623         * common.opt (flag_gcse_after_reload): Don't initialize to 2.
9624         (flag_rerun_cse_after_loop): Initialize this to 2 instead.
9625         * postreload-gcse.c (hash_scan_set): Do not consider stack regs.
9626
9627 2005-07-31  Jan Hubicka  <jh@suse.cz>
9628
9629         * pretty-print.h (pp_widest_integer): New macro.
9630         * tree-pretty-print.c (dump_bb_header): Print BB frequencies and
9631         counts.
9632
9633 2005-07-31  Jan Hubicka  <jh@suse.cz>
9634
9635         * output.h (enum section_category): Export from varasm.c
9636         (categorize_decl_for_section): Likewise.
9637         * varasm.c (enum section_category): Kill.
9638         (categorize_decl_for_section): Make global.
9639         * i386-protos.h (x86_output_aligned_bss, x86_elf_aligned_common):
9640         Declare.
9641         * i386.c (ix86_section_threshold): New static variable.
9642         (ix86_in_large_data_p, ix86_encode_section_info,
9643         x86_64_elf_unique_section,
9644         x86_64_elf_select_section): New functions.
9645         (TARGET_ENCODE_SECTION_INFO): Define
9646         (override_options): Enable medium model for PIC.
9647         (ix86_expand_prologue): Expand gen_set_got_rex64.
9648         (legitimate_constant_p): Handle new UNSPECs.
9649         (legitimate_pic_address_disp_p): Likewise.
9650         (legitimize_pic_address): Lower MEDIUM model addressing.
9651         * i386.h (PIC_OFFSET_TABLE_REGNUM): Set for medium model PIC.
9652         (enum cmodel): Add MEDIUM_PIC.
9653         (SYMBOL_REF_FAR_ADDR_P): New macro.
9654         (SYMBOL_FLAG_FAR_ADDR): New flag.
9655         * i386.md (movdi): Support medium model.
9656         (set_got_rex64): New pattern.
9657         * i386.opt (mlarge-data-threshold): New flag.
9658         * predicates.md (zext_operand/sext_operand): Deal with medium model.
9659         * x86-64.h (ASM_OUTPUT_ALIGNED_BSS): Use x86_output_aligned_bss.
9660         (ASM_OUTPUT_ALIGNED_COMMON, TARGET_ASM_SELECT_SECTION,
9661         TARGET_ASM_UNIQUE_SECTION): New.
9662
9663         * invoke.texi (-mlarge_data_threshold): Document
9664
9665 2005-07-31  Jan Hubicka  <jh@suse.cz>
9666
9667         * tree-outof-ssa.c (coalesce_ssa_name): Use coalesce_cost.
9668         (coalesce_vars): Likewise.
9669         * tree-ssa-live.c (coalesce_cost): New.
9670         (build_tree_conflict_graph): Use coalesce_cost.
9671         * tree-ssa-live.h (coalesce_cost): Declare.
9672
9673 2005-07-30  Richard Earnshaw  <richard.earnshaw@arm.com>
9674
9675         * arm.md (all peepholes for post-increment operations): Delete.
9676         (strqi_preinc, strqi_predec, loadqi_preinc, loadqi_predec)
9677         (loadqisi_preinc, loadqisi_predec, strsi_preinc, strsi_predec)
9678         (loadsi_preinc, loadsi_predec, strqi_shiftpreinc, strqi_shiftpredec)
9679         (loadqi_shiftpreinc, loadqi_shiftpredec, strsi_shiftpreinc)
9680         (strsishift_predec, loadsi_shiftpreinc, loadsi_shiftpredec): Delete.
9681
9682 2005-07-30  James A. Morrison  <phython@gcc.gnu.org>
9683
9684         * fold-const.c (tree_expr_nonnegative_p): Always return true for
9685         non-integral types.
9686
9687 2005-07-29  Wolfgang Bangerth <bangerth@dealii.org>
9688
9689         PR target/22582
9690         * doc/invoke.texi: Document -rdynamic.
9691
9692 2005-07-30  Joseph S. Myers  <joseph@codesourcery.com>
9693
9694         PR c/23143
9695         * c-parser.c (c_parser_parms_list_declarator): Call
9696         mark_forward_parm_decls.
9697         * c-decl.c (merge_decls): Only check DECL_IN_SYSTEM_HEADER for
9698         decls with visibility structure.
9699
9700 2005-07-30  Paul Brook  <paul@codesourcery.com>
9701
9702         * config/arm/arm.c (arm_coproc_mem_operand): Fix inaccurate comment.
9703
9704 2005-07-30  Paul Brook  <paul@codesourcery.com>
9705
9706         * config/arm/arm-protos.h (arm_canonicalize_comparison): Update
9707         prototype.
9708         * config/arm/arm.c (arm_canonicalize_comparison): Use correct limit
9709         value for mode.
9710         * config/arm/arm.h (CANONICALIZE_COMPARISON): Pass mode argument.
9711
9712 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9713
9714         PR c/529
9715         * c-decl.c (warn_if_shadowing): Don't check for PARM_DECL in
9716         nested function declarators.
9717         (pushdecl): Don't call warn_if_shadowing for PARM_DECL.
9718         (grokparms): Call warn_if_shadowing for parameters used within the
9719         parameter list.
9720         (store_parm_decls_newstyle): Call warn_if_shadowing for parameters
9721         not used within the parameter list.
9722         (store_parm_decls_oldstyle): Call warn_if_shadowing for parameters.
9723
9724 2005-07-30  Jan Hubicka  <jh@suse.cz>
9725
9726         * expr.c (expand_expr_real_1): Do not load mem targets into register.
9727         * i386.c (ix86_fixup_binary_operands): Likewise.
9728         (ix86_expand_unary_operator): Likewise.
9729         (ix86_expand_fp_absneg_operator): Likewise.
9730         * optabs.c (expand_vec_cond_expr): Validate dest.
9731
9732 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9733
9734         PR c/21720
9735         * real.c (real_from_string): Also set last bit if there is a
9736         nonzero hex digit beyond GCC's internal precision after ".".
9737
9738 2005-07-29  David Edelsohn  <edelsohn@gnu.org>
9739
9740         * config/rs6000/altivec.md: Convert UNSPEC numerical values to
9741         define_constants.  Change duplicate values to unassigned numbers.
9742         Change UNSPEC_SUBS to UNSPEC_VSUBS.
9743         (*altivec_vspltsf): New.
9744         (altivec_vperm_v4sf): Delete.
9745         (altivec_vperm_<mode>): Use mode macro V.
9746         (altivec_vsldoi_<mode>): Convert to mode macro pattern.
9747         (altivec_predicate_v4sf): Delete.
9748         (altivec_predicate_<mode>): Use mode macro V.
9749         (*altivec_lvesfx): New.
9750         (*altivec_stvesfx): New.
9751         (vec_realign_load_v4sf): Delete.
9752         (vec_realign_load_<mode>): Use mode macro V.
9753         * config/rs6000/rs6000.c (generate_set_vrsave): Use
9754         UNSPECV_SET_VRSAVE.
9755
9756 2005-07-29  Mark Mitchell  <mark@codesourcery.com>
9757
9758         PR bootstrap/23131
9759         * configure.ac (SYSTEM_HEADER_DIR): Avoid setting to empty
9760         string.
9761         * configure: Regenerated.
9762
9763 2005-07-29  Paul Brook  <paul@codesourcery.com>
9764
9765         * doc/install.texi: Add link to GFortran binaries wiki page.
9766
9767 2005-07-29  David Ung  <davidu@mips.com>
9768
9769         * config/mips/mips.c (mips_cpu_info_table): Add 5kf to the table.
9770         (mips_rtx_cost_data): Add costs for 5kc and 5kf.
9771         * config/mips/mips.h (processor_type): Add PROCESSOR_5KF.
9772         * config/mips/mips.md (cpu): Add 5kf name.
9773         (includes): Includes 5k.md.
9774         * config/mips/5k.md: New DFA pipeline for the 5kc/5kf.
9775         * doc/invoke.texi (MIPS Options): Updated cpu name supported with
9776         -march flag.
9777
9778 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9779
9780         PR 22550
9781         * tree-cfgcleanup.c (cleanup_tree_cfg_1): Extract from ...
9782         (cleanup_tree_cfg): ... here.
9783         Call cleanup_tree_cfg_1 until there are no more cleanups to
9784         do.
9785
9786 2005-07-29  James A. Morrison  <phython@gcc.gnu.org>
9787
9788         * tree-vrp.c (compare_range_with_value): Return true or false
9789         for ~[VAL_1, VAL_2] OP VAL if VAL_1 <= VAL <= VAL_2 for NE_EXPR and
9790         EQ_EXPR respectively.
9791
9792 2005-07-29  Kazu Hirata  <kazu@codesourcery.com>
9793
9794         * cfg.c, tree-complex.c, config/frv/frv.c, config/i386/i386.c:
9795         Fix comment typos.
9796
9797 2005-07-29  Diego Novillo  <dnovillo@redhat.com>
9798
9799         * tree-ssa-dom.c (struct opt_stats_d): Add field num_iterations.
9800         (tree_ssa_dominator_optimize): Increment it.
9801         (dump_dominator_optimization_stats): Print it.
9802
9803 2005-07-29  Richard Earnshaw  <richard.earnshaw@arm.com>
9804             Steven Bosscher  <stevenb@suse.de>
9805
9806         PR rtl-optimization/23117
9807         * sched-rgn.c (add_branch_dependences): Handle COND_EXEC correctly
9808         when head == tail.  Tidy comment.
9809
9810 2005-07-28  Richard Henderson  <rth@redhat.com>
9811
9812         * cse.c (exp_equiv_p): Special case CONST_DOUBLE.
9813         * cselib.c (rtx_equal_for_cselib_p): Likewise.
9814         * jump.c (rtx_renumbered_equal_p): Likewise.
9815         * loop.c (rtx_equal_for_loop_p): Tidy and special case PC, CC0,
9816         CONST_INT and CONST_DOUBLE.
9817         (rtx_equal_for_prefetch_p): Likewise, plus LABEL_REF.
9818         * reload.c (operands_match_p): Special case CONST_INT and
9819         CONST_DOUBLE; check mode earlier.
9820
9821 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9822
9823         PR c/22240
9824         * c-typeck.c (convert_for_assignment): Do not check
9825         DECL_IN_SYSTEM_HEADER on NULL fundecl.
9826
9827 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9828
9829         PR c/22192
9830         * c-typeck.c (composite_type): Prefer constant size arrays to
9831         VLAs.
9832
9833 2005-07-29  Joseph S. Myers  <joseph@codesourcery.com>
9834
9835         PR c/21720
9836         * real.c (real_from_string): Set last bit if there is a nonzero
9837         hex digit beyond GCC's internal precision.
9838
9839 2005-07-28  Richard Henderson  <rth@redhat.com>
9840
9841         PR rtl-opt/22619
9842         * cfgcleanup.c (try_forward_edges): Watch out for end of
9843         insn chain.
9844
9845 2005-07-28  James E Wilson  <wilson@specifixinc.com>
9846
9847         PR c/23106
9848         * doc/invoke.texi (Wstrict-aliasing=2): Fix misleading wording.
9849
9850 2005-07-28  Jan Hubicka  <jh@suse.cz>
9851
9852         * Makefile.in (rtl-profile.o): Kill all traces of it.
9853         * common.opt (fspeculative-prefetching, ftree-based-profiling): Kill.
9854         * coverage.h (rtl_coverage_counter_ref): Kill.
9855         * opts.c (flag_speculative_prefetching_set): Kill.
9856         (flag_loop_optimize_set): New.
9857         (common_handle_option): Disable loop optimizer when profiling;
9858         do not handle speculative prefetching.
9859         * passes.c (init_optimization_passes): Replace pass_profiling combo
9860         by branch_prob pass.
9861         * profile.c (compute_value_histograms): Update for simplified value
9862         profiles.
9863         (rtl_register_profile_hooks): Kill.
9864         (pass_profiling): Kill.
9865         (rest_of_handle_branch_prob): Do not profile.
9866         * toplev.c (process_options): Remove speculative prefetching.
9867         * toplev.h (flag_tree_based_profiling): Kill.
9868         * tree-profile.c (prepare_instrumented_value,
9869         tree_gen_interval_profiler, tree_gen_pow2_profiler,
9870         tree_gen_one_value_profiler, do_tree_profiling): Update for
9871         simplified datastructures.
9872         * value-prof.c: Add comment that speculative prefetching was dropped;
9873         update rest of file for simplified datastructures.
9874         (NOPREFETCH_RANGE_MIN, NOPREFETCH_RANGE_MAX,
9875         rtl_divmod_values_to_profile, insn_prefetch_values_to_profile,
9876         find_mem_reference_1, find_mem_reference_2, find_mem_reference,
9877         rtl_values_to_profile, rtl_divmod_fixed_value, rtl_mod_pow2,
9878         rtl_mod_subtract, gen_speculative_prefetch,
9879         rtl_divmod_fixed_value_transform, rtl_mod_pow2_value_transform,
9880         rtl_mod_subtract_transform, speculative_prefetching_transform): Kill.
9881         (gate_handle_value_profile_transformations,
9882         rest_of_handle_value_profile_transformations,
9883         pass_value_profile_transformations): Kill.
9884         * value-prof.h (histogram_value_t): Remove IL based unions.
9885         (rtl_register_value_prof_hooks, rtl_register_profile_hooks,
9886         rtl_profile_hooks): Remove hooks.
9887
9888         * invoke.texi (-ftree-based-profiling, -fspeculative-prefetching): Kill.
9889
9890         * cgraph.c (cgraph_clone_edge): New UPDATE_ORIGINAL argument.
9891         (cgraph_clone_node): Likewise.
9892         * cgraph.h (cgraph_clone_edge): Update prototype.
9893         (cgraph_clone_node): Likewise.
9894         * ipa-inline.c (cgraph_clone_inlined_nodes): Update call of
9895         cgraph_clone_node.
9896         (lookup_recursive_calls): Consider profile.
9897         (cgraph_decide_recursive_inlining): Fix updating; use new
9898         probability argument; use profile.
9899         * params.def (PARAM_MIN_INLINE_RECURSIVE_PROBABILITY): New.
9900         * tree-inline.c (copy_bb): Update clal of clone_edge.
9901         * tree-optimize.c (tree_rest_of_compilation): UPdate cal of clone_node.
9902
9903         * invoke.texi (min-inline-recursive-probability): Document.
9904
9905 2005-07-28  Gerald Pfeifer  <gerald@pfeifer.com>
9906
9907         * doc/install.texi (Configuration): Update Valgrind homepage.
9908
9909 2005-07-28  Richard Henderson  <rth@redhat.com>
9910
9911         PR middle-end/21362
9912         * cfgrtl.c (rtl_merge_blocks): Call maybe_remove_eh_handler on
9913         labels we want to delete.
9914         (cfg_layout_merge_blocks): Likewise.
9915
9916 2005-07-28  Richard Henderson  <rth@redhat.com>
9917
9918         PR target/17692
9919         * config/i386/i386.c (ix86_split_sse_movcc): Emit DELETED note
9920         when expanding to nothing.
9921
9922 2005-07-28  Josh Conner  <jconner@apple.com>
9923
9924         * ipa-inline.c (update_caller_keys): Fix estimated_growth caching.
9925         (cgraph_decide_inlining_of_small_functions): Likewise.
9926
9927 2005-07-28  Josh Conner  <jconner@apple.com>
9928
9929         * ipa-inline.c (cgraph_edge_badness): Update comments.  Invert shift
9930         direction of badness if negative.
9931         (cgraph_default_inline_p): Add reason to parameters, and assign it
9932         a value.
9933         (cgraph_decide_inlining_of_small_functions): New parameter in call
9934         to cgraph_default_inline_p.
9935         (cgraph_decide_inlining_incrementally): Likewise.
9936         * cgraphunit.c (decide_is_function_needed): Likewise.
9937         * cgraph.h (cgraph_default_inline_p): Likewise.
9938
9939 2005-07-28  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
9940
9941         * builtins.c: Fix comment typo(s).
9942         * genautomata.c: Likewise.
9943         * gimplify.c: Likewise.
9944         * tree-dfa.c: Likewise.
9945         * tree-flow-inline.h: Likewise.
9946         * tree-into-ssa.c: Likewise.
9947         * tree-ssa-alias.c: Likewise.
9948         * tree-ssa-ccp.c: Likewise.
9949         * tree-ssa-copy.c: Likewise.
9950         * tree-ssa-dce.c: Likewise.
9951         * tree-ssa-dom.c: Likewise.
9952         * tree-ssa-operands.c: Likewise.
9953         * tree-tailcall.c: Likewise.
9954         * tree-vectorizer.c: Likewise.
9955         * tree-vrp.c: Likewise.
9956         * tree.c: Likewise.
9957
9958 2005-07-28  Jeff Law  <law@redhat.com>
9959
9960         * tree-vrp.c (test_for_singularity): Extracted from  ...
9961         (simplify_cond_using_ranges): Attempt to simplify a relational
9962         test to NE_EXPR.  Dump information when a COND_EXPR is simplified.
9963
9964 2005-07-28  Dorit Nuzman  <dorit@il.ibm.com>
9965
9966         PR tree-optimization/22506
9967         * tree-vectorizer.c (update_phi_nodes_for_guard2): Skip loop-closed
9968         phis whose argument is constant.
9969
9970 2005-07-28  J"orn Rennecke <joern.rennecke@st.com>
9971
9972         PR rtl-optimization/18992
9973         Back out this patch:
9974           2003-10-08  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
9975           PR optimization/12142
9976           * cse.c (count_reg_usage): In a SET with a REG SET_DEST, count the
9977           uses of the register in the SET_SRC.  Remove unnecessary argument.
9978
9979         Replace it with this:
9980         * cse.c (count_reg_usage): In INSN, JUMP_INSN and CALL_INSN cases,
9981         if flag_non_call_exceptions is set and the insn may trap, pass
9982         pc_rtx as dest for recursion.
9983         In SET_SRC part of SET case, if dest is already set, pass it down
9984         unchanged.
9985
9986 2005-07-28  Jan Hubicka  <jh@suse.cz>
9987
9988         * cfg.c (update_bb_profile_for_threading): Use RDIV.
9989         (scale_bbs_frequencies_int): Likewise, assert for possible overflow.
9990         (scale_bbs_frequencies_gcov_type): Be more curefull about overflows and
9991         roundoff errors.
9992         * tree-cfg.c (tree_duplicate_sese_region): Use counts for updating
9993         profile when available.
9994
9995 2005-07-28  Jan Beulich <jbeulich@novell.com>
9996
9997         * config/ia64/ia64.c (ia64_load_pair_ok): New.
9998         (ia64_print_operand): Describe and handle 'X'.
9999         (ia64_register_move_cost): Also handle FP_REGS.
10000         (ia64_preferred_reload_class): Likewise.
10001         (ia64_secondary_reload_class): Likewise.
10002         (ia64_dependencies_evaluation_hook): New local variable c. Initialize
10003         it. Also check for ITANIUM_CLASS_FLDP.
10004         * config/ia64/ia64.h (FP_REGNO_P): New.
10005         (HARD_REGNO_MODE_OK): Remove explusion of TImode.
10006         (reg_class): Add FP_REGS.
10007         (REG_CLASS_NAMES): Adjust for it.
10008         (REG_CLASS_CONTENTS): Likewise.
10009         (REGNO_REG_CLASS): Use FP_REGS where appropriate.
10010         (REG_CLASS_FROM_LETTER): Handle 'x'.
10011         (CLASS_MAX_NREGS): Handle FP_REGS.
10012         (MEMORY_MOVE_COST): Likewise.
10013         * config/ia64/ia64.md (itanium_class): Add fldp.
10014         (type): Handle fldp.
10015         (movti_internal): More allowable operand combinations. Use ldfp8 when
10016         splitting unnecessary. Remove predicable attribute. Adjust
10017         itanium_class attribute.
10018         (smuldi3_highpart): Remove outdated comment.
10019         (mulditi3, umulditi3, rotlti3): New expanders.
10020         (addti3, subti3, mulditi3_internal, umulditi3_internal, negti2, rotlti3_internal): New insns.
10021         (absti2): Disabled new insn for future reference.
10022         Respective new splitters.
10023         * config/ia64/itanium1.md (1_fldp, 1b_fldp): New insn reservations.
10024         * config/ia64/itanium2.md (2_fldp, 2b_fldp): Likewise.
10025         * config/ia64/ia64-protos.h (ia64_load_pair_ok): New.
10026
10027 2005-07-25  James A. Morrison  <phython@gcc.gnu.org>
10028
10029         PR rtl-optimization/23047
10030         * simplify-rtx.c (simplify_const_relational_operation): Respect
10031         flag_wrapv for comparisons with ABS.
10032
10033 2005-07-27  James A. Morrison  <phython@gcc.gnu.org>
10034
10035         PR tree-optimization/22493
10036         * tree-vrp.c (extract_range_from_unary_expr): Deal with -fwrapv and
10037         VR_ANTI_RANGEs properly for NEGATE_EXPRs and ABS_EXPRs.
10038
10039 2005-07-27  Aldy Hernandez  <aldyh@redhat.com>
10040
10041         * config/frv/frv.opt (moptimize-membar): New.
10042
10043         * doc/invoke.texi: Document -moptimize-membar and its inverse.
10044
10045         * config/frv/frv.h: Remove machine_function definition.
10046
10047         * config/frv/frv.c (struct frv_io): New.
10048         (struct machine_function): Moved from frv.h.  Add has_membar_p.
10049         (frv_same_doubleword_p, frv_io_fixed_order_p, frv_io_union)
10050         (frv_extract_membar, frv_io_check_address, frv_io_handle_set)
10051         (frv_io_handle_use_1, frv_io_handle_use, frv_optimize_membar_local)
10052         (frv_optimize_membar_global, frv_optimize_membar): New functions.
10053         (frv_reorg): Call frv_optimize_membar when appropriate.
10054         (bdesc_loads, bdesc_stores): Use the membar code as the icode field.
10055         (frv_expand_builtin): Adjust calls accordingly.
10056         (frv_io_address_cookie): New function.
10057         (frv_expand_load_builtin, frv_expand_store_builtin): Emit a normal
10058         load or store rather than a special insn.  Add ccnstant address and
10059         io-type operands to the membar.
10060         (frv_ifcvt_modify_tests): Unsign regno.
10061         (frv_ifcvt_modify_tests): Same.
10062
10063         * config/frv/frv.md: Remove UNSPEC_BUILTIN_{LOAD,STORE}.  Change
10064         UNSPEC_OPTIONAL_MEMBAR constant.
10065         (builtin_read_<mode>): Delete.
10066         (builtin_write_<mode>): Delete.
10067         ("optional_membar_<mode>"): Add operand.
10068
10069         * testsuite/gcc.target/frv/all-builtin-read8.c: Delete.
10070         * testsuite/gcc.target/frv/all-builtin-read16.c: Delete.
10071         * testsuite/gcc.target/frv/all-builtin-read32.c: Delete.
10072         * testsuite/gcc.target/frv/all-builtin-read64.c: Delete.
10073         * testsuite/gcc.target/frv/all-builtin-write8.c: Delete.
10074         * testsuite/gcc.target/frv/all-builtin-write16.c: Delete.
10075         * testsuite/gcc.target/frv/all-builtin-write32.c: Delete.
10076         * testsuite/gcc.target/frv/all-builtin-write64.c: Delete.
10077         * testsuite/gcc.target/frv/all-read-write-1.c: New.
10078
10079 2005-07-28  Kaz Kojima  <kkojima@gcc.gnu.org>
10080
10081         * df.c (df_uses_record): Handle SCRATCH.
10082
10083 2005-07-28  Steven Bosscher  <stevenb@suse.de>
10084
10085         PR debug/20161
10086         * passes.c (rest_of_decl_compilation): If decl is a type and
10087         we have encountered errors, don't emit debug information.
10088
10089 2005-07-27  Kenneth Zadeck <zadeck@naturalbridge.com>
10090
10091         * params.def: Fixed comment.
10092
10093 2005-07-27  Bjoern Haase  <bjoern.m.haase@web.de>
10094
10095         PR target/19885
10096         * config/avr/avr.c (TARGET_ASM_ALIGNED_SI_OP): Add.
10097         (TARGET_ASM_UNALIGNED_HI_OP): Add.
10098         (TARGET_ASM_UNALIGNED_SI_OP): Add.
10099
10100 2005-07-27  Steven Bosscher  <stevenb@suse.de>
10101
10102         PR c++/22003
10103         * varasm.c (assemble_start_function): Don't do anything that may
10104         require a CFG if the current function is a thunk.
10105
10106 2005-07-25  Geoffrey Keating  <geoffk@apple.com>
10107
10108         * doc/install.texi (Prerequisites): Mention that perl is needed
10109         to do export control in libstdc++ targetting Darwin.
10110
10111 2005-07-27  Steven Bosscher  <stevenb@suse.de>
10112
10113         PR rtl-optimization/17808
10114         * sched-deps.c (sched_get_condition): Enable #if 0'ed code.
10115         (sched_insns_conditions_mutex_p): Split out from...
10116         (add_dependence): ...here.  But don't call it from here.
10117         (add_dependence_list): Check sched_insns_conditions_mutex_p
10118         before calling add_dependence.
10119         (add_dependence_list_and_free): Likewise.
10120         (fixup_sched_groups): Likewise.
10121         (sched_analyze_1): Likewise.
10122         (sched_analyze_2): Likewise (and replace a "0" with REG_DEP_TRUE).
10123         (sched_analyze): Likewise.
10124         (sched_analyze_insn): Likewise.
10125         * sched-ebb.c (add_deps_for_risky_insns): Likewise.
10126         * sched-rgn.c (add_branch_dependences): Likewise.  Also, add
10127         dependencies on all COND_EXEC insns to jumps ending basic blocks
10128         when doing intrablock scheduling.
10129         * sched-int.h (sched_insns_conditions_mutex_p): Add prototype.
10130
10131 2005-07-27  Jeff Law  <law@redhat.com>
10132
10133         * tree-vrp.c (vrp_meet): Intersect the equivalency sets when
10134         meeting a VR_ANTI_RANGE with a VR_RANGE.  When intersecting
10135         equivalency sets, correctly handle the case were vr0 has an
10136         equivalency set, but vr1 does not.
10137
10138 2005-07-27  Dorit Nuzman  <dorit@il.ibm.com>
10139
10140         PR tree-optimization/23073
10141         * tree-vect-analyze.c (vect_analyze_data_refs_alignment): Call
10142         vect_print_dump_info before fprintf.
10143
10144 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10145
10146         PR tree-optimize/22348
10147         * tree-ssa-loop-niter.c (number_of_iterations_cond):
10148         Fold the partial computation.
10149
10150 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10151
10152         PR tree-optimization/22325
10153         * tree-flow.h (compute_phi_arg_on_exit, force_expr_to_var_cost):
10154         Declare.
10155         * tree-scalar-evolution.c (scev_const_prop): Add generic final
10156         value replacement.
10157         * tree-ssa-loop-ivopts.c (force_expr_to_var_cost): Split from ...
10158         (force_var_cost): ... this function.
10159         (compute_phi_arg_on_exit): Export.
10160
10161 2005-07-27  Zdenek Dvorak  <dvorakz@suse.cz>
10162
10163         PR tree-optimization/20773
10164         * tree-ssa-loop-ch.c (copy_loop_headers): Select the correct latch
10165         edge.
10166
10167 2005-07-27  Richard Guenther  <rguenther@suse.de>
10168
10169         * tree-ssa-structalias.c (push_fields_onto_fieldstack):
10170         Avoid pushing again if current struct contains only
10171         fields we decomposed.
10172
10173 2005-07-27  Jan Hubicka  <jh@suse.cz>
10174
10175         PR tree-optimization/22574
10176         * cgraph.c (cgraph_function_body_availability): Unanalyzed bodies are
10177         not available.
10178
10179         * tree-tailcall.c (decrease_profile): New function.
10180         (eliminate_tail_call): Use it.
10181
10182         * cgraphunit.c (cgraph_function_and_variable_visibility): Set
10183         visibility flags correctly in whole program mode.
10184
10185 2005-07-26  Steve Ellcey  <sje@cup.hp.com>
10186
10187         PR rtl-optimization/22472
10188         * config/pa/pa.h (HARD_REGNO_RENAME_OK): Define.
10189
10190 2005-07-26  Steven Bosscher  <stevenb@suse.de>
10191
10192         PR tree-optimization/22504
10193         * tree-complex.c (expand_complex_addition): Use 'code' instead
10194         of MINUS_EXPR for (VARYING, ONLY_IMAG) and (ONLY_IMAG, VARYING).
10195
10196 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
10197
10198         * config.gcc (cpu_type): Add frv case.
10199         (with_cpu): Add frv400-*-*linux* and frv550-*-*linux* cases.
10200         (supported_defaults): Add fr550 case.
10201
10202 2005-07-26  Diego Novillo  <dnovillo@redhat.com>
10203
10204         PR 22591
10205         * tree-ssa-alias.c (may_alias_p): Remove shortcut that tests
10206         whether a pointer of type T * may point to objects of type T *.
10207
10208 2005-07-26  DJ Delorie  <dj@redhat.com>
10209
10210         * configure: Regenerate.
10211
10212 2005-07-26  Dale Johannesen  <dalej@apple.com>
10213
10214         * postreload-gcse.c (alloc_mem):  Start CUID numbering at 1.
10215
10216 2005-07-26  Mark Mitchell  <mark@codesourcery.com>
10217
10218         * doc/install.texi (--with-build-sysroot): Fix grammatical error.
10219         Clarify use of "build" in name.
10220
10221 2005-07-26  Aldy Hernandez  <aldyh@redhat.com>
10222
10223         * doc/extend.texi (Raw read/write Functions): New section.
10224         * testsuite/gcc.target/frv/all-builtin-read8.c: New.
10225         * testsuite/gcc.target/frv/all-builtin-read16.c: New.
10226         * testsuite/gcc.target/frv/all-builtin-read32.c: New.
10227         * testsuite/gcc.target/frv/all-builtin-read64.c: New.
10228         * testsuite/gcc.target/frv/all-builtin-write8.c: New.
10229         * testsuite/gcc.target/frv/all-builtin-write16.c: New.
10230         * testsuite/gcc.target/frv/all-builtin-write32.c: New.
10231         * testsuite/gcc.target/frv/all-builtin-write64.c: New.
10232         * config/frv/frv.c: Add bdesc_loads global.
10233         Add bdesc_stores global.
10234         (frv_init_builtins): Add support for __builtin_{read/write}*.
10235         (frv_volatile_memref): New.
10236         (frv_expand_load_builtin): New.
10237         (frv_expand_store_builtin): New.
10238         * config/frv/frv.h (frv_builtins): Add FRV_BUILTIN_SCAN,
10239         FRV_BUILTIN_READ8, FRV_BUILTIN_READ16, FRV_BUILTIN_READ32,
10240         FRV_BUILTIN_READ64, FRV_BUILTIN_WRITE8, FRV_BUILTIN_WRITE16,
10241         FRV_BUILTIN_WRITE32, FRV_BUILTIN_WRITE64.
10242         * config/frv/frv.md (unspecs): Add UNSPEC_BUILTIN_LOAD,
10243         UNSPEC_BUILTIN_STORE, UNSPEC_OPTIONAL_MEMBAR.
10244         (builtin_read_<mode>): New.
10245         (builtin_write_<mode>): New.
10246         (builtin_write64): New.
10247         (optional_membar_<mode>): New.
10248
10249 2005-07-26  J"orn Rennecke <joern.rennecke@st.com>
10250
10251         * emit-rtl.c (gen_lowpart_common): Compare size of MODE in bits
10252         (rather than units) against HOST_BITS_PER_WIDE_INT.
10253
10254 2005-07-26  Kazu Hirata  <kazu@codesourcery.com>
10255
10256         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h,
10257         ipa-type-escape.c, ipa-type-escape.h, ipa-utils.c,
10258         ipa-utils.h, treestruct.def, config/crx/crx-protos.h,
10259         config/crx/crx.c, config/crx/crx.h, config/crx/crx.md: Update
10260         FSF address.
10261
10262         * calls.c, fold-const.c, ipa-reference.c, ipa-type-escape.c,
10263         tree-ssa-reassoc.c, tree-ssa-structalias.c, vec.h,
10264         config/crx/crx.c, config/m32c/m32c.c, config/m32c/m32c.h: Fix
10265         comment typos.
10266         * doc/c-tree.texi, doc/tree-ssa.texi: Fix typos.
10267
10268 2005-07-26  Richard Guenther  <rguenther@suse.de>
10269
10270         PR tree-optimization/22486
10271         * fold-const.c (fold_unary): Fold away useless component
10272         references of the form (T *)&T.x, if the address
10273         doesn't change.
10274
10275 2005-07-25  James E Wilson  <wilson@specifixinc.com>
10276
10277         * dwarf2out.c (add_call_src_coords_attributes): New.
10278         (gen_inlined_subroutine_die): Call it.
10279         (maybe_emit_file, init_file_table): Add comments.
10280         (prune_unused_types_walk_attribs): Pass DW_AT_call_file through
10281         maybe_emit_file.
10282         * tree-inline.c (remap_block): Copy BLOCK_SOURCE_LOCATION.
10283         (expand_call_inline): Set BLOCK_SOURCE_LOCATION.
10284         * tree.h (BLOCK_SOURCE_LOCATION): New.
10285         (struct tree_block): New field locus.
10286
10287 2005-07-26  Andreas Schwab  <schwab@suse.de>
10288
10289         PR rtl-optimization/23043
10290         * postreload-gcse.c (eliminate_partially_redundant_load): Fix typo
10291         when allocating a struct unoccr.
10292
10293 2005-07-25  Richard Henderson  <rth@redhat.com>
10294
10295         PR 22626
10296         * tree-complex.c (gate_no_optimization): True if errors.
10297         * Makefile.in (tree-complex.o): Update dependencies.
10298
10299 2005-07-25  Aldy Hernandez  <aldyh@redhat.com>
10300
10301         * config/frv/predicates.md (integer_register_operand): Use
10302         GPR_AP_OR_PSEUDO_P.
10303
10304 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
10305
10306         PR tree-opt/22484
10307         * tree-ssa-ccp.c (fold_stmt_inplace): Strip useless type conversions
10308         after fold.
10309         * tree-ssa-propagate.c (set_rhs): Reject invalid conditional operands.
10310
10311 2005-07-25  Andrew Pinski  <pinskia@physics.uc.edu>
10312
10313         * tree-ssa-reassoc.c (reassociate_expr): Allow scaler floating point
10314         types when flag_unsafe_math_optimizations is true.
10315
10316 2005-07-25  Mark Mitchell  <mark@codesourcery.com>
10317
10318         * gcc.c (option_map): Add --sysroot.
10319         (process_command): Handle --sysroot.
10320         (display_help): Document it.
10321         * doc/cppopts.tex (-isysroot): Document.
10322         * doc/invoke.texi (--sysroot): Document.
10323         * doc/install.texi (--with-build-sysroot): Document.
10324
10325         * Makefile.in (inhibit_libc): New variable.
10326         (INHIBIT_LIBC_CFLAGS): Likewise.
10327         (LIBGCC2_CFLAGS): Include
10328         $(INHIBIT_LIBC_CFLAGS).
10329         (CRTSTUFF_CFLAGS): Include $(INHIBIT_LIBC_CFLAGS).
10330         ($(T)crtbegin.o): Do not use @inhibit_libc@.
10331         ($(T)crtend.o): Likewise.
10332         ($(T)crtbeginS.o): Do not use @inhibit_libc@.
10333         ($(T)crtendS.o): Likewise.
10334         ($(T)crtbeginT.o): Do not use @inhibit_libc@.
10335         ($(T)crtendT.o): Likewise.
10336         (stmp-fixinc): Do not complain about missing headers if
10337         inhibit_libc.
10338         * configure.ac (inhibit_libc): Set it to true/false.
10339         (--with-build-sysroot): New option.  Use it to set
10340         SYSTEM_HEADER_DIR.
10341         * configure: Regenerated.
10342
10343 2005-07-25  Manfred Hollstein  <mh@suse.com>
10344
10345         * calls.c (store_one_arg): Fix unsigned comparison warning.
10346
10347 2005-07-25  Serge Belyshev  <belyshev@depni.sinp.msu.ru>
10348
10349         PR other/22337
10350         * ggc-zone.c (ggc_alloc_zone_stat): Do not use CHUNK_OVERHEAD.
10351         (ggc_print_statistics): Initialize variable before use.
10352
10353 2005-07-25  Richard Guenther  <rguenther@suse.de>
10354
10355         * tree-dfa.c (mark_new_vars_to_rename): Protect against
10356         calling with a PHI_NODE argument.
10357
10358         * tree-flow-inline.h (overlap_subvar): Protect against
10359         possible overflow.
10360
10361 2005-07-25  Paolo Bonzini  <bonzini@gnu.org>
10362
10363         * aclocal.m4 (gcc_AC_CHECK_TOOL): Add /bin to default directory.
10364         * configure: Regenerate.
10365
10366 2005-07-25  Ira Rosen  <irar@il.ibm.com>
10367
10368         * expr.c (highest_pow2_factor): Make extern.
10369         * tree-data-ref.c (ptr_decl_may_alias_p): New function.
10370         (ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
10371         record_array_differ_p, array_ptr_differ_p): Likewise.
10372         (base_object_differ_p): Rename (from array_base_name_differ_p). Support
10373         additional cases. Call the above functions.
10374         (base_addr_differ_p): Moved from tree-vect-analyze.c. Call
10375         base_object_differ_p when there are two base objects. Otherwise, compare
10376         base address and offset. Call may_alias_p.
10377         (dump_data_reference): Use a correct field name.
10378         (analyze_array): Make static. Initialize new data-ref fields.
10379         (analyze_indirect_ref): New function.
10380         (init_data_ref): Initialize new data-ref fields.
10381         (strip_conversion): Moved from tree-vect-analyze.c.
10382         (analyze_offset_expr, get_ptr_offset, address_analysis,
10383         object_analysis): Likewise.
10384         (analyze_offset): New function.
10385         (create_data_ref): Likewise.
10386         (initialize_data_dependence_relation): Call base_addr_differ_p. Compare
10387         dimensions for ARRAY_REFs only.
10388         (build_classic_dist_vector): Make static.
10389         (access_functions_are_affine_or_constant_p): Call macro to get the
10390         address of access functions.
10391         (compute_all_dependences): Add new parameter
10392         compute_self_and_read_read_dependences. Compute self and read-read
10393         dependences if it is true.
10394         (find_data_references_in_loop): Call create_data_ref. Initialize new
10395         data-ref fields.
10396         (compute_data_dependences_for_loop): Add new parameter
10397         compute_self_and_read_read_dependences. Remove parameter nb_loops,
10398         compute nb_loops. Call compute_all_dependences,
10399         build_classic_dist_vector and build_classic_dir_vector with correct
10400         parameters.
10401         (analyze_all_data_dependences): Call compute_data_dependences_for_loop
10402         with correct parameters. Compare dimensions for ARRAY_REFs only.
10403         (free_data_refs): Call macro to free access functions.
10404         * tree-data-ref.h (struct first_location_in_loop): New structure. Move
10405         fields from stmt_vinfo.
10406         (struct base_object_info): New structure.
10407         (struct data_reference): Move fields to base_object_info. Add fields
10408         first_location and object_info for above structures. Move fields from
10409         stmt_info: memtag, ptr_info, subvars, misalignment. Add new field
10410         aligned_to.  Add macros to access the new fields.
10411         Update functions declarations.
10412         * tree-flow.h (is_aliased_with): Declare.
10413         * tree-loop-linear.c (linear_transform_loops): Call
10414         compute_data_dependences_for_loop with correct parameters.
10415         * tree-ssa-alias.c (is_aliased_with): New function.
10416         * tree-vect-analyze.c (vect_get_ptr_offset): Remove.
10417         (vect_analyze_offset_expr, vect_base_addr_differ_p): Likewise.
10418         (vect_analyze_data_ref_dependence): Get ddr. Remove call to
10419         vect_base_addr_differ_p, compute_subscript_distance and
10420         build_classic_dist_vector. Add printings. Check absolute value of
10421         distance.
10422         (vect_analyze_data_ref_dependences): Go through ddrs instead of
10423         data-refs.
10424         (vect_compute_data_ref_alignment): Get the fields of data-ref instead of
10425         stmt. Check aligned_to. Check if the base is aligned. Remove conversion
10426         to bytes. Add printing.
10427         (vect_compute_data_refs_alignment): Go through loads and stores in one
10428         loop.
10429         (vect_enhance_data_refs_alignment, vect_analyze_data_refs_alignment,
10430         vect_analyze_data_ref_access): Likewise.
10431         (vect_analyze_pointer_ref_access): Remove.
10432         (vect_address_analysis, vect_object_analysis): Likewise.
10433         (vect_analyze_data_refs): Call compute_data_dependences_for_loop to find
10434         and analyze data-refs in the loop.
10435         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref): Get the
10436         fields of data-ref instead of stmt. Add init to the offset from the
10437         base.
10438         (vect_create_data_ref_ptr): Get the fields of data-ref instead of stmt.
10439         (vect_update_init_of_dr): Likewise.
10440         (vect_update_inits_of_drs): Go through loads and stores in one loop.
10441         * tree-vectorizer.c (new_stmt_vec_info): Remove initialization of
10442         removed fields.
10443         (new_loop_vec_info): Initialize new fields.
10444         (destroy_loop_vec_info): Free new fields.
10445         (vect_strip_conversion): Remove.
10446         * tree-vectorizer.h (enum verbosity_levels): Add new verbosity level.
10447         (struct _loop_vec_info): Unify data_ref_writes and data_ref_reads into
10448         datarefs. Add new field ddrs.
10449         Add macros for the new fields access.
10450         (struct _stmt_vec_info): Remove: base_address, initial_offset, step,
10451         base_aligned_p, misalignment, memtag, ptr_info and subvars.
10452         Remove their macros.
10453         * tree.h (highest_pow2_factor): Declare.
10454
10455 2005-07-25  Jakub Jelinek  <jakub@redhat.com>
10456
10457         * calls.c (store_one_arg): Check for sibling call MEM arguments
10458         from already clobbered incoming argument area.
10459
10460 2005-07-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10461
10462         * c-common.c (check_missing_format_attribute): New.
10463         * c-common.h (check_missing_format_attribute): Likewise.
10464         * c-typeck.c (convert_for_assignment): Use it.
10465
10466 2005-07-24  Andreas Schwab  <schwab@suse.de>
10467
10468         * config/m68k/m68k.md ("extendqidi2"): When source is an address
10469         register use a word move.  Correct operand of ext.w in 68000 code.
10470
10471 2005-07-23  Mark Mitchell  <mark@codesourcery.com>
10472
10473         * dwarf2out.c (gen_variable_die): Treat un-emitted COMDAT
10474         variables as declarations, rather than definitions.
10475
10476 2005-07-24  Ira Rosen  <irar@il.ibm.com>
10477
10478         PR tree-optimization/22526
10479         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Match the type
10480         of the zero node.
10481
10482 2005-07-24  Francois-Xavier Coudert  <coudert@clipper.ens.fr>
10483
10484         * builtins.def: Add DEF_EXT_C99RES_BUILTIN to define builtins
10485         that C99 reserve for future use. Use it to define clog10,
10486         clog10f and clog10l.
10487
10488 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10489
10490         * Makefile.in (STRICT2_WARN): Add -Wmissing-format-attribute.
10491         * configure.ac: Check for -Wmissing-format-attribute.
10492
10493         * configure: Regenerate.
10494
10495 2005-07-23  Richard Henderson  <rth@redhat.com>
10496
10497         PR tree-optimization/22623
10498         * tree-complex.c (set_component_ssa_name): Use replace_ssa_name_symbol.
10499
10500 2005-07-23  Giovanni Bajo  <giovannibajo@libero.it>
10501
10502         PR target/22577
10503         * config/pa/pa.c (reloc_needed): Updated for VECs inside CONSTRUCTOR.
10504
10505 2005-07-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
10506
10507         * Makefile.in (C_TREE_H): Update dependencies.
10508         * c-tree.h: Include toplev.h.
10509         * diagnostic.h (diagnostic_set_info): Add format attribute.
10510         * rtl-error.c (diagnostic_for_asm): Likewise.
10511
10512 2005-07-23  Chao-ying Fu  <fu@mips.com>
10513
10514         * config/mips/mips-dsp.md: New file.
10515         * config/mips/mips-modes.def (V4QI, V2HI, CCDSP): New modes.
10516         * config/mips/mips.c (mips_function_type): Add types for DSP builtin
10517         functions.
10518         (mips_builtin_type): Add MIPS_BUILTIN_DIRECT_NO_TARGET and
10519         MIPS_BUILTIN_BPOSGE32.
10520         (mips_expand_builtin_direct): Add one parameter to indicate that
10521         builtin functions need to return a value.
10522         (mips_expand_builtin_bposge): New for expanding "bposge" builtin
10523         functions.
10524         (mips_regno_to_class): Add classes for 12 new DSP registers.
10525         (mips_subword): Change to check four HI registers.
10526         (mips_output_move): Output move to and from 6 new DSP accumulators.
10527         (override_options): Make sure -mdsp and -mips16 are not used together.
10528         Map 'A' to DSP_ACC_REGS and 'a' to ACC_REGS.  Enable DSP accumulators
10529         for machine modes.
10530         (mips_conditional_register_usage): Disable 6 new DSP accumulators
10531         when !TARGET_DSP.
10532         (print_operand): Add 'q' for printing DSP accumulators.
10533         (mips_cannot_change_mode_class): Check ACC_REGS.
10534         (mips_secondary_reload_class): Check ACC_REGS.
10535         (mips_vector_mode_supported_p): Enable V2HI and V4QI when TARGET_DSP.
10536         (mips_register_move_cost): Check ACC_REGS.
10537         (CODE_FOR_mips_addq_ph, CODE_FOR_mips_addu_qb, CODE_FOR_mips_subq_ph)
10538         (CODE_FOR_mips_subu_qb): New code-aliasing macros.
10539         (DIRECT_NO_TARGET_BUILTIN, BPOSGE_BUILTIN): New macros.
10540         (dsp_bdesc): New array.
10541         (bdesc_arrays): Add DSP builtin function table.
10542         (mips_prepare_builtin_arg): Check predicate again after
10543         copy_to_mode_reg.
10544         (mips_expand_builtin): Add one more parameter to
10545         mips_expand_builtin_direct. Expand MIPS_BUILTIN_DIRECT_NO_TARGET and
10546         MIPS_BUILTIN_BPOSGE32.
10547         (mips_init_builtins): Initialize new function types.
10548         (mips_expand_builtin_direct): Check if builtin functions need to
10549         return a value and pass operands properly.
10550         (mips_expand_builtin_bposge): New function.
10551         * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Add __mips_dsp.
10552         (ASM_SPEC): Map -mdsp to -mdsp in GAS.
10553         (FIRST_PSEUDO_REGISTER): Increase to 188.
10554         (FIXED_REGISTERS, CALL_USED_REGISTERS, CALL_REALLY_USED_REGISTERS):
10555         Update for 12 new DSP registers.
10556         (DSP_ACC_REG_FIRST, DSP_ACC_REG_LAST, DSP_ACC_REG_NUM, AC1HI_REGNUM)
10557         (AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM, AC3HI_REGNUM, AC3LO_REGNUM):
10558         (DSP_ACC_REG_P, ACC_REG_P, ACC_HI_REG_P): New macros.
10559         (reg_class): Add DSP_ACC_REGS and ACC_REGS.
10560         (REG_CLASS_NAMES): Add names for DSP_ACC_REGS and ACC_REGS.
10561         (REG_CLASS_CONTENTS): Update for DSP_ACC_REGS, ACC_REGS and ALL_REGS.
10562         (REG_ALLOC_ORDER): Update for 12 new DSP registers.
10563         (mips_char_to_class): Add 'A' for DSP_ACC_REGS and 'a' for ACC_REGS.
10564         (UIMM6_OPERAND, IMM10_OPERAND): New macros.
10565         (EXTRA_CONSTRAINT_Y): Add YA and YB extra constraints.
10566         (REGISTER_NAMES): Add names for 12 new DSP registers.
10567         * config/mips/mips.md: Include mips-dsp.md.
10568         (UNSPEC_ADDQ, UNSPEC_ADDQ_S, UNSPEC_SUBQ, UNSPEC_SUBQ_S, UNSPEC_ADDSC)
10569         (UNSPEC_ADDWC, UNSPEC_MODSUB, UNSPEC_RADDU_W_QB, UNSPEC_ABSQ_S)
10570         (UNSPEC_PRECRQ_QB_PH, UNSPEC_PRECRQ_PH_W, UNSPEC_PRECRQ_RS_PH_W)
10571         (UNSPEC_PRECRQU_S_QB_PH, UNSPEC_PRECEQ_W_PHL, UNSPEC_PRECEQ_W_PHR)
10572         (UNSPEC_PRECEQU_PH_QBL, UNSPEC_PRECEQU_PH_QBR, UNSPEC_PRECEQU_PH_QBLA)
10573         (UNSPEC_PRECEQU_PH_QBRA, UNSPEC_PRECEU_PH_QBL, UNSPEC_PRECEU_PH_QBR)
10574         (UNSPEC_PRECEU_PH_QBLA, UNSPEC_PRECEU_PH_QBRA, UNSPEC_SHLL)
10575         (UNSPEC_SHLL_S, UNSPEC_SHRL_QB, UNSPEC_SHRA_PH, UNSPEC_SHRA_R)
10576         (UNSPEC_MULEU_S_PH_QBL, UNSPEC_MULEU_S_PH_QBR, UNSPEC_MULQ_RS_PH)
10577         (UNSPEC_MULEQ_S_W_PHL, UNSPEC_MULEQ_S_W_PHR, UNSPEC_DPAU_H_QBL)
10578         (UNSPEC_DPAU_H_QBR, UNSPEC_DPSU_H_QBL, UNSPEC_DPSU_H_QBR)
10579         (UNSPEC_DPAQ_S_W_PH, UNSPEC_DPSQ_S_W_PH, UNSPEC_MULSAQ_S_W_PH)
10580         (UNSPEC_DPAQ_SA_L_W, UNSPEC_DPSQ_SA_L_W, UNSPEC_MAQ_S_W_PHL)
10581         (UNSPEC_MAQ_S_W_PHR, UNSPEC_MAQ_SA_W_PHL, UNSPEC_MAQ_SA_W_PHR)
10582         (UNSPEC_BITREV, UNSPEC_INSV, UNSPEC_REPL_QB, UNSPEC_REPL_PH)
10583         (UNSPEC_CMP_EQ, UNSPEC_CMP_LT, UNSPEC_CMP_LE, UNSPEC_CMPGU_EQ_QB)
10584         (UNSPEC_CMPGU_LT_QB, UNSPEC_CMPGU_LE_QB, UNSPEC_PICK, UNSPEC_PACKRL_PH)
10585         (UNSPEC_EXTR_W, UNSPEC_EXTR_R_W, UNSPEC_EXTR_RS_W, UNSPEC_EXTR_S_H)
10586         (UNSPEC_EXTP, UNSPEC_EXTPDP, UNSPEC_SHILO, UNSPEC_MTHLIP, UNSPEC_WRDSP)
10587         (UNSPEC_RDDSP): New constants.
10588         (*movdi_32bit): Change 'x' to 'a' for ACC_REGS.
10589         (*movsi_internal): Change 'x' to 'a' for ACC_REGS.  Add an
10590         A<-d alternative.
10591         * config/mips/mips.opt (-mdsp): New option.
10592         * config/mips/predicates.md (const_uimm6_operand, const_imm10_operand)
10593         (reg_imm10_operand): New predicates.
10594         * doc/extend.texi (MIPS DSP Built-in Functions): New section.
10595         * doc/invoke.texi (-mdsp): Document new option.
10596
10597 2005-07-22  DJ Delorie  <dj@redhat.com>
10598
10599         * c-objc-common.c (c_cannot_inline_tree_fn): Add warning control
10600         to warning calls.
10601         * tree-inline.c (inlinable_function_p): Likewise.
10602
10603 2005-07-22  Mark Mitchell  <mark@codesourcery.com>
10604
10605         PR debug/21828
10606         * toplev.c (check_global_declarations): Do not mark undefined
10607         variables as DECL_IGNORED_P.
10608         * varasm.c (first_global_object_name): GTY it.
10609         (weak_global_object_name): Likewise.
10610         (notice_global_symbol): Use ggc_strdup, not xstrdup, when creating
10611         a string to go into {weak,first}_global_object_name.
10612
10613 2005-07-22  DJ Delorie  <dj@redhat.com>
10614
10615         * c-format.c (check_function_format): Change warning control
10616         option from OPT_Wattribute to OPT_Wmissing_format_attribute.
10617
10618 2005-07-22  Diego Novillo  <dnovillo@redhat.com>
10619
10620         * tree-ssa-alias.c (count_ptr_derefs): Do not consider
10621         &PTR->FLD a dereference of PTR.
10622         * tree-ssa-structalias.c (update_alias_info): Consider &PTR->FLD
10623         a potential dereference of PTR.
10624
10625 2005-07-22  J"orn Rennecke <joern.rennecke@st.com>
10626
10627         PR rtl-optimization/20370
10628         * ifcvt.c (dead_or_predicable): Before calling propagate_block,
10629         call allocate_reg_info if necessary.
10630
10631         PR rtl-optimization/21848
10632         * calls.c (emit_library_call_value_1): For const functions, add
10633         USEs of the stack slots to CALL_INSN_FUNCTION_USAGE.
10634
10635         PR rtl-optimization/22445
10636         * cselib.c (target.h): Include.
10637         (rtx_equal_for_cselib_p): Allow commutative matches.
10638         (cselib_hash_rtx): Don't use MODE for CONST_INT hashing.
10639         Remove MODE parameter.  Changed all callers.
10640
10641         PR rtl-optimization/22258
10642         * combine.c (likely_spilled_retval_1, likely_spilled_retval_p):
10643         New functions.
10644         (try_combine): Use likely_spilled_retval_p.
10645
10646 2005-07-22  Paul Woegerer  <paul.woegerer@nsc.com>
10647
10648         * config.gcc: Add crx-elf support.
10649
10650         * doc/contrib.texi: Mention crx.
10651         * doc/extend.texi: Document crx extensions.
10652         * doc/install.texi: Document crx install.
10653         * doc/invoke.texi: Document crx options.
10654         * doc/md.texi: Document crx constraints.
10655
10656         * config/crx/crx-protos.h: New file.
10657         * config/crx/crx.c: New file.
10658         * config/crx/crx.h: New file.
10659         * config/crx/crx.md: New file.
10660         * config/crx/crx.opt: New file.
10661         * config/crx/t-crx: New file.
10662
10663 2005-07-22  Manfred Hollstein  <mh@suse.com>
10664
10665         * tree-ssa-structalias.c (merge_graph_nodes): Fix uninitialised
10666         warnings.
10667         (int_add_graph_edge): Likewise.
10668         (collapse_nodes): Likewise.
10669         (process_unification_queue): Likewise.
10670
10671 2005-07-22  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>
10672             Laurent GUERBY  <laurent@guerby.net>
10673
10674         PR tree-optimization/22336
10675         * function.c (record_block_change): Check for
10676         cfun->ib_boundaries_block.
10677
10678 2005-07-21  James A. Morrison  <phython@gcc.gnu.org>
10679
10680         * fold-const.c (fold_unary): Don't strip signed nops from ABS_EXPRs.
10681         (tree_expr_nonnegative_p): Return try for TYPE_UNSIGNED.
10682
10683 2005-07-21  DJ Delorie  <dj@redhat.com>
10684
10685         * toplev.c (warn_deprecated_use): Add warning control to warning
10686         call.
10687         * c-typeck.c (parser_build_binary_op): Likewise.
10688         (c_finish_if_stmt): Likewise.
10689         * c-common.c (check_function_sentinel): Likewise.
10690         (check_nonnull_arg): Likewise.
10691
10692 2005-07-21  Richard Henderson  <rth@redhat.com>
10693
10694         PR tree-opt/22504
10695         * tree-complex.c (complex_ssa_name_components): New.
10696         (cvc_lookup): Allow entry not found.
10697         (create_components): Remove.
10698         (create_one_component_var, get_component_var): New.
10699         (get_component_ssa_name, set_component_ssa_name): New.
10700         (extract_component): Use get_component_ssa_name.
10701         (update_complex_components): Use set_component_ssa_name.
10702         (update_complex_components_on_edge): Likewise.
10703         (update_phi_components): Create new PHI nodes directly, instead
10704         of adding insns to edges.
10705         (tree_lower_complex): Allocate and free complex_variable_components
10706         and complex_ssa_name_components here.
10707
10708 2005-07-20  Daniel Berlin  <dberlin@dberlin.org>
10709
10710         * alias.c (nonoverlapping_component_refs_p): Use TYPE_MAIN_VARIANT,
10711         revert to returning false.
10712
10713 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10714
10715         PR target/21149
10716         * config/i386/i386.md (sse_movhlps): Fix vec_select values.
10717
10718 2005-07-21  Uros Bizjak  <uros@kss-loka.si>
10719
10720         PR target/22576
10721         * config/i386/i386.md (cmpxf): Change operand constraints
10722         to "nonmemory_operand".
10723
10724 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10725
10726         * config/i386/i386.md (trap): Use "".word/t0x0b0f" instead of ud2.
10727
10728 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10729
10730         PR middle-end/21180
10731         * fold-const.c (fold_build1): Add checksum for the operands.
10732         (fold_build2): Likewise.
10733         (fold_build3): Likewise.
10734
10735 2005-07-21  Andrew Pinski  <pinskia@physics.uc.edu>
10736
10737         PR middle-end/19055
10738         * fold-const.c (fold_binary): Transform "(X | Y) ^ X" to "Y & ~ X".
10739
10740 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10741
10742         * common.opt (-fforward-propagate): Committed by mistake,
10743         removed.
10744
10745 2005-07-21  Volker Reichelt  <reichelt@igpm.rwth-aachen.de>
10746
10747         * reg-stack.c: Fix comment typo(s).
10748         * tree-ssa-operands.c: Likewise.
10749         * tree-vectorizer: Likewise.
10750
10751 2005-07-21  Nick Clifton  <nickc@redhat.com>
10752
10753         * config/sh/symbian.c: Replace C++ style line comments with C
10754         style line comments.
10755         (symbian_add_attribute): Do not use a ? operator on the LHS of
10756         an assignment.
10757         (sh_symbian_handle_dll_attribute): Change the type of the
10758         method vector to "VEC(tree,gc)*" and use vector accessor
10759         macros to walk over the elements.
10760         (symbian_export_vtable_and_rtti_p): Likewise.
10761         (symbian_class_needs_attribute_p): Likewise.
10762
10763 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10764
10765         PR target/22085
10766         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Do not
10767         initialize targetm.resolve_overloaded_builtin here.
10768         (altivec_expand_overloaded_builtin): Make it non-static.
10769         * config/rs6000/rs6000-protos.h
10770         (altivec_expand_overloaded_builtin): New prototype.
10771         * config/rs6000/rs6000.h (REGISTER_TARGET_PRAGMAS): Initialize
10772         targetm.resolve_overloaded_builtin here.
10773         * config/rs6000/darwin.h (REGISTER_TARGET_PRAGMAS): Likewise.
10774
10775 2005-07-21  Paolo Bonzini  <bonzini@gnu.org>
10776             Zdenek Dvorak  <dvorakz@suse.cz>
10777
10778         PR tree-optimization/19210
10779         * common.opt (Wunsafe-loop-optimizations, funsafe-loop-optimizations):
10780         New.
10781         * Makefile.in (tree-ssa-loop-niter.o): Depend intl.o.
10782         * loop-iv.c (get_simple_loop_desc): If -funsafe-loop-optimizations,
10783         rely on unproven assumptions.
10784         * predict.c (predict_loops): Adjust call to number_of_iterations_exit.
10785         * tree-flow.h (number_of_iterations_exit): Add final parameter.
10786         * tree-scalar-evolution.c (number_of_iterations_in_loop): Adjust call
10787         to number_of_iterations_exit.
10788         * tree-ssa-loop-ivcanon.c (empty_loop_p): Likewise.
10789         * tree-ssa-loop-ivopts.c (niter_for_exit): Likewise.
10790         * tree-ssa-loop-niter.c (find_loop_niter,
10791         estimate_numbers_of_iterations_loop): Likewise.
10792         (number_of_iterations_exit): Honor the new options.
10793         * doc/invoke.texi (Wunsafe-loop-optimizations,
10794         funsafe-loop-optimizations): Document them.
10795
10796 2005-07-21  Richard Sandiford  <richard@codesourcery.com>
10797
10798         PR rtl-optimization/22167
10799         * gcse.c (hoist_code): Fix hoist_exprs[] check.
10800
10801 2005-07-20  Adam Nemet  <anemet@lnxw.com>
10802
10803         * config/rs6000/lynx.h: Mark __do_global_ctors_aux and
10804         __do_global_dtors_aux longcall.
10805
10806 2005-07-20  Kazu Hirata  <kazu@cs.umass.edu>
10807
10808         * gensupport.c (old_preds): Don't reference PREDICATE_CODES.
10809         (old_special_pred_table): Don't reference
10810         SPECIAL_MODE_PREDICATES.
10811         * system.h (PREDICATE_CODES, SPECIAL_MODE_PREDICATES): Poison.
10812         * config/arc/arc.h: Don't mention PREDICATE_CODES.
10813         * config/sh/predicates.h: Don't mention
10814         SPECIAL_MODE_PREDICATES.
10815         * doc/tm.texi (PREDICATE_CODES, SPECIAL_MODE_PREDICATES):
10816         Remove.
10817
10818 2005-07-20  DJ Delorie  <dj@redhat.com>
10819
10820         * config.gcc: Add m32c-elf support.
10821
10822         * doc/contrib.texi: Mention m32c.
10823         * doc/extend.texi: Document m32c extensions.
10824         * doc/install.texi: Mention m32c.
10825         * doc/invoke.texi: Document m32c options.
10826         * doc/md.texi: Document m32c constraints.
10827
10828         * config/m32c/addsub.md: New file.
10829         * config/m32c/bitops.md: New file.
10830         * config/m32c/cond.md: New file.
10831         * config/m32c/jump.md: New file.
10832         * config/m32c/m32c-lib1.S: New file.
10833         * config/m32c/m32c-lib2.c: New file.
10834         * config/m32c/m32c-modes.def: New file.
10835         * config/m32c/m32c-pragma.c: New file.
10836         * config/m32c/m32c-protos.h: New file.
10837         * config/m32c/m32c.abi: New file.
10838         * config/m32c/m32c.c: New file.
10839         * config/m32c/m32c.h: New file.
10840         * config/m32c/m32c.md: New file.
10841         * config/m32c/m32c.opt: New file.
10842         * config/m32c/minmax.md: New file.
10843         * config/m32c/mov.md: New file.
10844         * config/m32c/muldiv.md: New file.
10845         * config/m32c/predicates.md: New file.
10846         * config/m32c/prologue.md: New file.
10847         * config/m32c/shift.md: New file.
10848         * config/m32c/t-m32c: New file.
10849
10850 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10851
10852         * config/sh/sh.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New constants.
10853         (stack_protect_set, stack_protect_test): New expanders.
10854         (stack_protect_set_si, stack_protect_set_si_media,
10855         stack_protect_set_di_media, stack_protect_test_si,
10856         stack_protect_test_si_media, stack_protect_test_di_media):
10857         New insns.
10858
10859 2005-07-20  Andrew Pinski  <pinskia@physics.uc.edu>
10860
10861         * c-typeck.c (output_init_element): Don't copy the INTEGER_CST.
10862
10863 2005-07-20  James A. Morrison  <phython@gcc.gnu.org>
10864
10865         * tree.h (tree_expr_nonzero_p): Export.
10866         * fold-const.c (tree_expr_nonzero_p): Likewise.
10867         Return true for CALL_EXPRs that are alloca calls.
10868         (fold_binary): Use omit_one_operand when checking EQ_EXPRs or NE_EXPRs
10869         against zero.
10870         * tree-flow.h (expr_computes_nonzero): Remove.
10871         * tree-vrp.c (expr_computes_nonzero): Remove.
10872         (vrp_expr_computes_nonzero): Use tree_expr_nonzero_p.
10873         (extract_range_from_unary_expr): Likewise.
10874         * tree-ssa-dom.c (record_equivalences_from_stmt): Use
10875         tree_expr_nonzero_p.
10876
10877 2005-07-20  Bernd Schmidt  <bernd.schmidt@analog.com>
10878
10879         * config/bfin/bfin-protos.h (legitimize_pic_address): Don't declare.
10880         * config/bfin/bfin.c (legitimize_pic_address): Now static.  Take
10881         extra arg "picreg" and use it instead of pic_offset_table_rtx.
10882         All callers changed.
10883         (frame_related_constant_load): New arg "related" which controls
10884         setting of RTX_FRAME_RELATED_P.  All callers changed.
10885         (bfin_load_pic_reg): New function, broken out of bfin_expand_prologue.
10886         (bfin_expand_prologue): Add stack limit checking.
10887         * config/bfin/bfin.md (trapifcc): New pattern.
10888
10889         * config/bfin/bfin.c: Include "langhooks.h".
10890         (def_builtin): Go through lang_hooks to call builtin_function.
10891
10892         * config/bfin/bfin-protos.h (bfin_longcall_p): Declare.
10893         * config/bfin/predicates.md (symbol_ref_operand): New.
10894         (call_insn_operand): Delete.  All callers changed to use
10895         register_no_elim_operand.
10896         * config/bfin/bfin.c (init_cumulative_args): Initialize the new
10897         call_cookie field.
10898         (function_arg): Use it to generate the call's operand 2.
10899         (bfin_longcall_p): New function.
10900         (bfin_expand_call): Extra arg "cookie".  All callers and declaration
10901         changed.  Emit extra USE in the pattern.  Use bfin_longcall_p to
10902         determine if the address needs to be in a REG.
10903         (bfin_handle_longcall_attribute): New function.
10904         (bfin_attribute_table): Add "longcall" and "shortcall".
10905         * config/bfin/bfin.h (CALL_NORMAL, CALL_LONG, CALL_SHORT): New macros.
10906         (CUMULATIVE_ARGS): New member call_cookie.
10907         (PREDICATE_CODES): Add symbol_ref_operand.
10908         * config/bfin/bfin.md (call, call_value, sibcall, sibcall_value): Add
10909         extra USE to the pattern.
10910         (call_symbol, sibcall_symbol, call_value_symbol, sibcall_value_symbol):
10911         New patterns, split off call_insn, sibcall_insn, call_value_insn and
10912         sibcall_value_insn; now the new patterns handle direct calls and the
10913         old ones indirect calls.
10914         * doc/extend.texi: Mention Blackfin in longcall/shortcall docs.
10915
10916 2005-07-20  Zdenek Dvorak  <dvorakz@suse.cz>
10917
10918         * doc/trouble.texi: Update section on handling of empty loops.
10919
10920 2005-07-20  Kazu Hirata  <kazu@codesourcery.com>
10921
10922         * config.gcc: Remove support for sparc-*-openbsd*,
10923         i860-*-sysv4*, ip2k-*-elf, ns32k-*-netbsdelf*,
10924         ns32k-*-netbsd*.
10925         * config.host: Remove support for i860-*-sysv4* as a host.
10926         * config/i860/*, config/ip2k/*, config/ns32k/*,
10927         config/sparc/openbsd.h, config/sparc/t-openbsd: Remove.
10928         * doc/install.texi, doc/invoke.texi, doc/md.texi: Don't
10929         mention obsolete ports.
10930
10931 2005-07-20  Kaz Kojima  <kkojima@gcc.gnu.org>
10932
10933         * config/sh/sh.c (regno_reg_class): Add GENERAL_REGS for
10934         soft frame pointer.
10935         (sh_expand_prologue): Use hard_frame_pointer_rtx instead
10936         of frame_pointer_rtx.
10937         (sh_expand_epilogue): Likewise.
10938         (sh_set_return_address): Likewise.
10939         (initial_elimination_offset): Use HARD_FRAME_POINTER_REGNUM
10940         instead of FRAME_POINTER_REGNUM if needed.  Add elimination
10941         offsets from FRAME_POINTER_REGNUM.
10942         * config/sh/sh.h (SH_REGISTER_NAMES_INITIALIZER): Add sfp.
10943         (sh_register_names): Add initializer for sfp.
10944         (GENERAL_OR_AP_REGISTER_P): Permit FRAME_POINTER_REGNUM.
10945         (VALID_REGISTER_P): Likewise.
10946         (FIRST_PSEUDO_REGISTER): Update.
10947         (DWARF_FRAME_REGISTERS): Define.
10948         (FIXED_REGISTERS, CALL_USED_REGISTERS): Add sfp.
10949         (HARD_FRAME_POINTER_REGNUM): Define.
10950         (FRAME_POINTER_REGNUM): Redefine.
10951         (ELIMINABLE_REGS): Never eliminate to FRAME_POINTER_REGNUM,
10952         but HARD_FRAME_POINTER_REGNUM instead.  Add eliminations
10953         from FRAME_POINTER_REGNUM.
10954         (CAN_ELIMINATE): Use HARD_FRAME_POINTER_REGNUM instead of
10955         FRAME_POINTER_REGNUM.
10956         (REG_CLASS_CONTENTS): Add sfp.
10957         (REG_ALLOC_ORDER): Likewise.
10958         (FRAME_GROWS_DOWNWARD): Set to 1.  Update comment.
10959         (GO_IF_LEGITIMATE_ADDRESS): Use hard_frame_pointer_rtx instead
10960         of frame_pointer_rtx.
10961         (LEGITIMIZE_RELOAD_ADDRESS): Likewise.
10962
10963 2005-07-19  James A. Morrison  <phython@gcc.gnu.org>
10964
10965         * fold-const.c (tree_expr_nonnegative_p): Only return true for
10966         ABS_EXPR when flag_wrapv is false because of INT_MIN.
10967         (tree_expr_nonzero_p): Always call tree_expr_nonzero_p on the argument
10968         of an ABS_EXPR.
10969         (fold_unary): Always fold ABS_EXPR<ABS_EXPR<x>> into
10970         ABS_EXPR<x>.
10971
10972 2005-07-20  Giovanni Bajo  <giovannibajo@libero.it>
10973
10974         Make CONSTRUCTOR use VEC to store initializers.
10975         * c-common.c (complete_array_type): Update to cope with VEC in
10976         CONSTRUCTOR_ELTS.
10977         * c-pretty-print.c (pp_c_initializer_list): Use pp_c_constructor_elts.
10978         (pp_c_constructor_elts): New function.
10979         * c-pretty-print.h (pp_c_constructor_elts): Declare.
10980         * c-typeck.c (build_function_call, build_c_cast, digest_init,
10981         struct constructor_stack, struct initializer_stack,
10982         constructor_elements, push_init_level, pop_init_level,
10983         add_pending_init, find_init_member, output_init_element): Update to
10984         cope with VEC in CONSTRUCTOR_ELTS.
10985         * coverage.c (build_fn_info_value, build_ctr_info_value,
10986         build_gcov_info): Likewise.
10987         * expr.c (categorize_ctor_elements_1, store_constructor,
10988         expand_expr_real_1): Likewise.
10989         * fold-const.c (fold_ternary): Likewise.
10990         * gimplify.c (gimplify_init_ctor_preeval, zero_sized_field_decl,
10991         gimplify_init_constructor, gimplify_expr): Likewise.
10992         * tree-dump.c (dequeue_and_dump): Likewise.
10993         * tree-inline.c (copy_tree_r): Add code to duplicate a CONSTRUCTOR
10994         node.
10995         * tree-pretty-print.c (dump_generic_node): Update to cope with VEC in
10996         CONSTRUCTOR_ELTS.
10997         * tree-sra.c (generate_element_init_1): Likewise.
10998         * tree-ssa-ccp.c (fold_const_aggregate_ref): Likewise.
10999         * tree-ssa-operands.c (get_expr_operands): Likewise.
11000         * tree-vect-generic.c (expand_vector_piecewise): Likewise.
11001         * tree-vect-transform.c (vect_get_vec_def_for_operand):
11002         (get_initial_def_for_reduction): Likewise.
11003         * tree-vn.c (set_value_handle, get_value_handle): CONSTURCTOR uses
11004         value handle in annotations.
11005         * tree.c (tree_node_kind, tree_code_size, make_node_stat,
11006         tree_node_structure): Add support for constr_kind.
11007         (build_vector_from_ctor, build_constructor_single,
11008         build_constructor_from_list): New functions.
11009         (build_constructor): Update to take a VEC instead of a TREE_LIST.
11010         (simple_cst_equal, iterative_hash_expr, initializer_zerop, walk_tree):
11011         Update to cope with VEC in CONSTRUCTOR_ELTS.
11012         * tree.def (CONSTRUCTOR): Make it a tcc_exceptional node.
11013         * tree.h (FOR_EACH_CONSTRUCTOR_VALUE, FOR_EACH_CONSTRUCTOR_ELT,
11014         CONSTRUCTOR_APPEND_ELT): New macros.
11015         (struct constructor_elt, struct tree_constructor): New data types.
11016         (union tree_node): Add tree_constructor field.
11017         * treestruct.def: Define TS_CONSTRUCTOR.
11018         * varasm.c (const_hash_1, compare_constant, copy_constant,
11019         compute_reloc_for_constant, output_addressed_constants,
11020         initializer_constant_valid_p, output_constant,
11021         array_size_for_constructor, output_constructor): Update to cope with
11022         VEC in CONSTRUCTOR_ELTS.
11023         * vec.h (VEC_empty, VEC_copy): New macros.
11024
11025 2005-07-19  Devang Patel  <dpatel@apple.com>
11026
11027         * dbxout.c (dbxout_type): Check Objective-C++ lang.
11028
11029 2005-07-19  Richard Henderson  <rth@redhat.com>
11030
11031         PR tree-opt/22278
11032         * gimplify.c (gimplify_expr): Use main variant type for the temp
11033         destination for a discarded volatile read.
11034         * tree-ssa.c (tree_ssa_useless_type_conversion_1): Don't elide
11035         casts between non-void types that change volatility.
11036
11037 2005-07-15  DJ Delorie  <dj@redhat.com>
11038
11039         * toplev.h: Add comment about the first parameter for warning().
11040         * errors.h: Likewise.
11041
11042         * c.opt (Wpragmas): New.
11043         * doc/invoke.texi: Document it.
11044
11045         * function.c (do_warn_unused_parameter): Add warning control to
11046         warning call.
11047         * c-decl.c (warn_if_shadowing): Likewise.
11048         * c-lex.c (cb_def_pragma): Likewise.
11049         * c-pragma.c (GCC_BAD, GCC_BAD2): Likewise.
11050         (pop_alignment): Likewise.
11051         (handle_pragma_pack): Likewise.
11052         (apply_pragma_weak): Likewise.
11053         (handle_pragma_weak): Likewise.
11054         (handle_pragma_redefine_extname): Likewise.
11055         (add_to_renaming_pragma_list): Likewise.
11056         (handle_pragma_extern_prefix): Likewise.
11057         (maybe_apply_renaming_pragma): Likewise.
11058         (handle_pragma_visibility): Likewise.
11059
11060         * config/c4x/c4x-c.c (BAD): Likewise.
11061         (c4x_parse_pragma): Likewise.
11062         * config/ia64/ia64-c.c (ia64_hpux_handle_builtin_pragma): Likewise.
11063         * config/rs6000/rs6000-c.c (SYNTAX_ERROR): Likewise.
11064         (rs6000_pragma_longcall): Likewise.
11065         * config/v850/v850-c.c (pop_data_area): Likewise.
11066         (ghs_pragma_section): Likewise.
11067         (ghs_pragma_section): Likewise.
11068         (ghs_pragma_interrupt): Likewise.
11069         (ghs_pragma_starttda): Likewise.
11070         (ghs_pragma_startsda): Likewise.
11071         (ghs_pragma_startzda): Likewise.
11072         (ghs_pragma_endtda): Likewise.
11073         (ghs_pragma_endsda): Likewise.
11074         (ghs_pragma_endzda): Likewise.
11075
11076 2005-07-19  Danny Berlin <dberlin@dberlin.org>
11077             Kenneth Zadeck <zadeck@naturalbridge.com>
11078
11079         * Makefile.in: Removed tree-promote-statics.c
11080         * tree-promote-statics.c: Removed.
11081         * common.opt: Removed flag-promote-statics.
11082         * opts.c: Ditto.
11083         * passes.c: Removed tree-promote-statics pass.
11084         * tree-pass.h: Ditto.
11085         * timevar.def: Removed TV_PROMOTE_STATICS.
11086
11087
11088 2005-07-19  Gerald Pfeifer  <gerald@pfeifer.com>
11089
11090         * config.gcc: Add support for *-*-freebsd7, *-*-freebsd8,
11091         and *-*-freebsd9.
11092         * config/freebsd-spec.h (FBSD_TARGET_OS_CPP_BUILTINS): Ditto.
11093
11094 2005-07-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11095
11096         PR c/22476
11097         * c-common.c (check_function_arguments): Call
11098         'check_function_format' if either -Wformat or
11099         -Wmissing-format-attribute are specified.
11100         * c-format.c (check_function_format): Check -Wformat before
11101         calling 'check_format_info'.
11102         * c-opts.c (c_common_post_options): Don't warn for
11103         -Wmissing-format-attribute without -Wformat.
11104         * c-typeck.c (convert_for_assignment): Detect additional cases for
11105         -Wmissing-format-attribute.
11106         * doc/invoke.texi (-Wmissing-format-attribute): Document new
11107         behavior.
11108
11109 2005-07-19  Richard Guenther  <rguenther@suse.de>
11110
11111         * config/i386/i386.md (lrint<mode>2): Use temporary
11112         instead of clobbering non-existent memory.
11113
11114 2005-07-19  Nick Clifton  <nickc@redhat.com>
11115
11116         * config/avr/avr.c (legitimate_address_p): Fix debugging print
11117         statement to avoid displaying ASCII control characters.
11118
11119 2005-07-19  Ben Elliston  <bje@au.ibm.com>
11120
11121         * bt-load.c (link_btr_uses): Fix uninitialised warnings.
11122         * cfganal.c (find_edge_index): Ditto.
11123         * combine.c (combine_instructions): Ditto.
11124         * ddg.c (create_scc): Ditto.
11125         (find_successors): Ditto.
11126         (find_predecessors): Ditto.
11127         (find_nodes_on_paths): Ditto.
11128         (longest_simple_path): Ditto.
11129         * flow.c (update_life_info): Ditto.
11130         (count_or_remove_death_notes): Ditto.
11131         (clear_log_links): Ditto.
11132         * modulo-sched.c (generate_reg_moves): Ditto.
11133         (find_max_asap): Ditto.
11134         (find_max_hv_min_mob): Ditto.
11135         (find_max_dv_min_mob): Ditto.
11136         * sbitmap.c (sbitmap_first_set_bit): Ditto.
11137         * sched-rgn.c (extract_edgelst): Ditto.
11138         * tree-into-ssa.c (prepare_names_to_update): Ditto.
11139         (dump_update_ssa): Ditto.
11140         (ssa_names_to_replace) Ditto.
11141         (switch_virtuals_to_full_rewrite): Ditto.
11142         (update_ssa): Ditto.
11143         * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
11144
11145 2005-07-18  Daniel Berlin  <dberlin@dberlin.org>
11146
11147         Fix PR tree-optimization/22483
11148
11149         * tree-complex.c (create_components): Use
11150         safe_referenced_var_iterator and FOR_EACH_REFERENCED_VAR_SAFE.
11151         * tree-flow-inline.h (fill_referenced_var_vec): New function.
11152         * tree-flow.h (safe_referenced_var_iterator): New structure.
11153         (FOR_EACH_REFERENCED_VAR_SAFE): New macro.
11154         * tree-ssa-alias.c (setup_pointers_and_addressables): Use
11155         safe_referenced_var iterator.
11156         (add_type_alias): Ditto.
11157
11158 2005-07-19  Steven Bosscher  <stevenb@suse.de>
11159
11160         * loop-init.c (rest_of_handle_loop2): Remove.
11161         (rtl_loop_init, rtl_loop_done, rtl_move_loop_invariants,
11162         rtl_unswitch, rtl_unroll_and_peel_loops, rtl_doloop): New functions.
11163         (pass_rtl_loop_init, pass_rtl_loop_done,
11164         pass_rtl_move_loop_invariants, pass_rtl_unswitch,
11165         pass_rtl_unroll_and_peel_loops, pass_rtl_doloop): New passes.
11166         * tree-ssa-loop.c (pass_loop, pass_loop_init, pass_loop_done,
11167         pass_unswitch): Rename to pass_tree_loop, pass_tree_loop_init,
11168         pass_tree_loop_done, and pass_tree_unswitch.
11169         (gate_loop): Rename to gate_tree_loop.
11170         * passes.c (init_optimization_passes): Update for renamed tree
11171         loop passes.  Add the new loop2 passes as subpasses of loop2.
11172         * tree-pass.h: Add extern declarations for the new loop2 subpasses.
11173         Update for the renamed tree loop passes.
11174
11175 2005-07-18  Ian Lance Taylor  <ian@airs.com>
11176
11177         PR middle-end/22057
11178         * tree-cfgcleanup.c (cleanup_tree_cfg): Only remove forwarder
11179         blocks when optimizing.
11180
11181 2005-07-18  Steve Ellcey  <sje@cup.hp.com>
11182
11183         * common.opt (frename-registers): Initialize to 2.
11184         (fweb): Ditto.
11185         (fgcse-after-reload): Ditto.
11186         * toplev.c (AUTODETECT_FLAG_VAR_TRACKING): Rename to AUTODETECT_VALUE.
11187         (process_options): Only change flag_web, flag_rename_registers,
11188         and flag_rerun_cse_after_loop if not explicitly set by user.
11189
11190 2005-07-18  Jan Beulich  <jbeulich@novell.com>
11191
11192         * config/i386/i386.c (ix86_expand_branch, ix86_expand_setcc,
11193         ix86_expand_carry_flag_compare, ix86_expand_int_movcc): Handle TImode
11194         in 64-bit mode the same as DImode in 32-bit mode.
11195         (ix86_expand_ashl_const, ix86_split_ashl, ix86_split_ashr,
11196         ix86_split_lshr): Likewise. Rename to no longer refer to a specific
11197         mode. Add new mode parameter.
11198         * config/i386/i386.h (CONST_OK_FOR_LETTER_P): Describe and handle 'O'.
11199         * config/i386/i386.md (cmpti, addti3, subti3, negti2, ashlti3, ashrti3,
11200         x86_64_shift_adj): New expanders.
11201         (*addti3_1, *subti3_1, *negti2_1, ashlti3_1, *ashlti3_2, ashrti3_1,
11202         *ashrti3_2, lshrti3_1, *lshrti3_2, x86_64_shld, x86_64_shrd): New
11203         insns.
11204         Respective new splitters. Use renamed shift splitter helpers in 32-bit
11205         DImode shift splitters.
11206         * config/i386/i386-protos.h (ix86_split_ashl, ix86_split_ashr,
11207         ix86_split_lshr): Renamed from ix86_split_[al]sh[rl]di. Added new
11208         mode parameter.
11209
11210 2005-07-18  Jan Beulich  <jbeulich@novell.com>
11211
11212         * i386.md (movdi_extzv_1): New.
11213         (zero_extendhidi2): Combine alternatives and never force use of
11214         REX64 prefix.
11215         (zero_extendqidi2): Likewise. Don't restrict input selection.
11216
11217 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11218
11219         Fix PR tree-optimization/22531
11220         * tree-ssa-pre.c (do_eustores):  Make sure LHS is a decl for the
11221          moment.
11222
11223 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11224
11225         * tree-promote-statics.c (pass_promote_statics): Change dump file
11226          name.
11227
11228 2005-07-17  Daniel Berlin  <dberlin@dberlin.org>
11229
11230         * tree-optimize.c (init_tree_optimization_passes): Add
11231         pass_eliminate_useless_stores pass.
11232         * tree-pass.h (pass_eliminate_useless_stores): New pass structure.
11233         * tree-ssa-pre.c (is_copy_stmt): New function.
11234         (follow_copies_till_vuse): Ditto.
11235         (do_eustores): Ditto.
11236         (gate_eustores): Ditto.
11237
11238 2005-07-16  Richard Henderson  <rth@redhat.com>
11239
11240         * gcc.c (MFWRAP_SPEC): Don't wrap pthread_join or pthread_exit.
11241
11242 2005-07-16 Danny Berlin <dberlin@dberlin.org>
11243            Kenneth Zadeck <zadeck@naturalbridge.com>
11244
11245         * Makefile.in: Added rules for ipa-pure-const.c, ipa-reference.c,
11246         ipa-reference.h, ipa-utils.c, ipa-utils.h, ipa-type-escape.c,
11247         ipa-type-escape.h, tree-promote-statics.c
11248         * ipa-pure-const.c, ipa-reference.c, ipa-reference.h, ipa-utils.c,
11249         ipa-utils.h, ipa-type-escape.c, ipa-type-escape.h,
11250         tree-promote-statics.c: new files.
11251         * alias.c: (nonlocal_mentioned_p_1, nonlocal_mentioned_p,
11252         nonlocal_referenced_p_1, nonlocal_referenced_p, nonlocal_set_p_1,
11253         int nonlocal_set_p, mark_constant_function): Deleted.
11254         (rest_of_handle_cfg): Removed call to mark_constant_function.
11255         (nonoverlapping_component_refs_p): Added calls to support
11256         type based aliasing.
11257         * tree-ssa-alias.c (may_alias_p,
11258         compute_flow_insensitive_aliasing): Ditto.
11259         * calls.c (flags_from_decl_or_type): Removed reference to
11260         cgraph_rtl_info.
11261         * c-typeck.c (convert_arguments): Make builtins tolerant of having
11262         too many arguments.  This is necessary for Spec 2000.
11263         * cgraph.h (const_function, pure_function): Removed.
11264         * common.opt: Added "fipa-pure-const", "fipa-reference",
11265         "fipa-type-escape", and "ftree-promote-static".
11266         * opts.c: Ditto.
11267         * passes.c: Added ipa and tree-promote-statics passes.
11268         * timevar.def: Added TV_IPA_PURE_CONST, TV_IPA_REFERENCE,
11269         TV_IPA_TYPE_ESCAPE, and TV_PROMOTE_STATICS.
11270         * tree-dfa.c (referenced_var_lookup_if_exists): New function.
11271         * tree-flow.h: Added exposed sra calls and addition of
11272         reference_vars_info field for FUNCTION_DECLS.
11273         * tree-pass.h: Added passes.
11274         * tree-sra.c: (sra_init_cache): New function.
11275         (sra_insert_before, sra_insert_after) Made public.
11276         (type_can_be_decomposed_p): Renamed from type_can_be_decomposed_p
11277         and made public.
11278         * tree-ssa-alias.c (dump_alias_stats): Added stats for type based
11279         aliasing. (may_alias_p): Added code to use type escape analysis to
11280         improve alias sets.
11281         * tree-ssa-operands.c (add_call_clobber_ops): Added parameter and
11282         code to prune clobbers of static variables based on information
11283         produced in ipa-reference pass.  Changed call clobbering so that
11284         statics are not marked as clobbered if the call does not clobber
11285         them.
11286
11287 2005-07-16  Daniel Berlin  <dberlin@dberlin.org>
11288
11289         * tree-ssa-structalias.c (need_to_solve): Need to check for preds,
11290         too.
11291
11292 2005-07-16  Eric Botcazou  <ebotcazou@libertysurf.fr>
11293
11294         * doc/install.texi (*-*-solaris2*): Document recommended version
11295         of GNU binutils and mention GNU linker problem on Solaris 10.
11296
11297 2005-07-16  Joseph S. Myers  <joseph@codesourcery.com>
11298
11299         PR c/22421
11300         * c-decl.c (c_build_bitfield_integer_type): New function.
11301         (finish_struct): Call it.
11302         * c-pretty-print.c (pp_c_type_specifier): Handle bit-field types.
11303
11304 2005-07-16  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
11305
11306         * c-typeck.c (digest_init): Call 'convert_for_assignment'
11307         before returning.
11308
11309 2005-07-16  Jan Hubicka  <jh@suse.cz>
11310
11311         * cfg.c (update_bb_profile_for_threading): Fix profile updating.
11312         (scale_bbs_frequencies_int): Watch roundoff errors.
11313         * predict.c (return_prediction): Initialize return_stmt.
11314
11315 2005-07-16  Jan Hubicka  <jh@suse.cz>
11316
11317         * profile.c (rest_of_handle_branch_prob): Fix handling of estimation
11318         after RTL profiling.
11319
11320 2005-07-11  Andrew Pinski  <pinskia@physics.uc.edu>
11321
11322         PR middle-end/22398
11323         * fold-const.c (build_range_check): Convert high/low to etype
11324         if we are only comparing against exp.
11325
11326 2005-07-13  Daniel Berlin  <dberlin@dberlin.org>
11327
11328         Fix PR tree-optimization/22376
11329         * tree-ssa-structalias.c (build_constraint_graph): We really meant
11330         special var here.
11331         (need_to_solve): New function.
11332         (compute_points_to_sets): Use it.
11333
11334 2005-07-15  Jan Hubicka  <jh@suse.cz>
11335
11336         * cfg.c (update_bb_profile_for_threading): More diagnostic.
11337         * tree-ssa-threadupdate.c (redirect_edges): Update profile of dup_block.
11338
11339 2005-07-15  Richard Guenther  <rguenther@suse.de>
11340
11341         * c-common.c (handle_flatten_attribute): New function.
11342         Add flatten function attribute.
11343         * doc/extend.texi: Document flatten function attribute.
11344         * Makefile.in (ipa-inline.o): Depend on hashtab.h.
11345         * ipa-inline.c (cgraph_find_cycles, cgraph_flatten_node):
11346         New functions.
11347         (cgraph_decide_inlining): Handle functions with flatten
11348         attribute.
11349
11350 2005-07-14  David Edelsohn  <edelsohn@gnu.org>
11351
11352         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_LWSYNC,
11353         UNSPEC_ISYNC, UNSPEC_SYNC_OP, UNSPEC_ATOMIC, UNSPEC_CMPXCHG,
11354         UNSPEC_XCHG, UNSPEC_AND): New.
11355         (UNSPECV_ATOMIC, UNSPECV_SYNC, UNSPECV_SYNC_OP, UNSPECV_CMPXCHG,
11356         UNSPECV_LWSYNC, UNSPECV_ISYNC): Delete.
11357         * config/rs6000/sync.md (FETCHOP): New code macro.
11358         (fetchop_name, fetchop_pred, fetchopsi_constr, fetchopdi_constr):
11359         New code attrs.
11360         (memory_barrier, sync_internal): Use unspec instead of unspec_volatile.
11361         (sync_compare_and_swap<mode>): Same.
11362         (sync_lock_test_and_set<mode>): Same.
11363         (sync_<fetchop><mode>, sync_nand<mode>): Only use rs6000_emit_sync
11364         for QImode and HImode, and not PPC405.
11365         (sync_old_<fetchop><mode>, sync_old_nand<mode>): Same.
11366         (sync_new_<fetchop><mode>, sync_new_nand<mode>): Same.
11367         (sync_<fetchop>{si,di}_internal): New.
11368         (sync_nand{si,di}_internal): New.
11369         (sync_old_<fetchop>{si,di}_internal): New.
11370         (sync_old_nand{si,di}_internal): New
11371         (sync_new_<fetchop>{si,di}_internal): New.
11372         (sync_new_nand{si,di}_internal): New.
11373         (atomic_and{si,di}): New.
11374         (sync_new_nand{si,di}_internal): New.
11375         (atomic_and{si,di}): New.
11376         (sync_add<mode>_internal): Delete.
11377         (sync_addshort_internal): Use unspec instead of unspec_volatile.
11378         (sync_sub<mode>_internal): Delte.
11379         (sync_subshort_internal): New.
11380         (sync_andsi_internal): Use unspec instead of unspec_volatile.
11381         (sync_anddi_internal): Delete.
11382         (sync_boolsi_internal): Use unspec instead of unspec_volatile.
11383         (sync_booldi_internal): Delete.
11384         (sync_boolc<mode>_internal): Delete.
11385         (sync_boolcshort_internal): Use unspec instead of unspec_volatile.
11386         (sync_boolc<mode>_internal2): Delete.
11387         (sync_boolcc<mode>_internal): Delete.
11388         (isync, lwsync): Use unspec instead of unspec_volatile.
11389         * config/rs6000/rs6000.c (rs6000_emit_sync): Implement MINUS.
11390         Revert UNSPEC_VOLATILE.
11391         (rs6000_split_atomic_op): New.
11392         * config/rs6000/rs6000-protos.h (rs6000_split_atomic_op): Declare.
11393
11394 2005-07-14  Eric Christopher  <echristo@redhat.com>
11395
11396         * config/mips/mips.c (mips_canonicalize_comparison): Cast
11397         argument of trunc_int_for_mode to unsigned HOST_WIDE_INT.
11398
11399 2005-07-14  Eric Christopher  <echristo@redhat.com>
11400
11401         * config/s390/t-tpf (SHLIB_MAPFILES): Remove.
11402
11403 2005-07-14  Steven Bosscher  <stevenb@suse.de>
11404
11405         PR tree-optimization/22230
11406         * tree-vrp.c (extract_range_from_binary_expr): Fix logics thinko in
11407         the computation of the four cross productions for "range op range".
11408
11409 2005-07-14  Alexandre Oliva  <aoliva@redhat.com>
11410             Ulrich Weigand  <uweigand@de.ibm.com>
11411
11412         PR target/20126
11413         * loop.c (loop_givs_rescan): Do not ICE if unable to reduce an IV
11414         in some insn.
11415
11416 2005-07-14  Ulrich Weigand  <uweigand@de.ibm.com>
11417
11418         * config/s390/s390.h (TARGET_TPF_PROFILING): Add default definition.
11419
11420 2005-07-14  Steve Ellcey  <sje@cup.hp.com>
11421
11422         * config/ia64/ia64.c (ia64_output_dwarf_dtprel): Support ILP32 mode.
11423
11424 2005-07-14  Richard Guenther  <rguenther@suse.de>
11425
11426         PR middle-end/22347
11427         * config/i386/i386-protos.h (ix86_function_value): Change
11428         prototype to match new target hook.
11429         * config/i386/i386.c (ix86_value_regno): Change prototype
11430         to take extra type argument.
11431         (TARGET_FUNCTION_VALUE): Define.
11432         (ix86_function_ok_for_sibcall): Pass extra argument to
11433         ix86_value_regno, check return slot rtx for exact match.
11434         (ix86_function_value): Take extra parameter.  Dispatch to
11435         ix86_value_regno with fndecl/fntype as provided.
11436         (ix86_value_regno): Handle extra type argument.
11437         * config/i386/i386.h (FUNCTION_VALUE): No longer define.
11438
11439         * testsuite/gcc.target/i386/sseregparm-3.c: New testcase.
11440         * testsuite/gcc.target/i386/sseregparm-4.c: New testcase.
11441         * testsuite/gcc.target/i386/sseregparm-5.c: New testcase.
11442         * testsuite/gcc.target/i386/sseregparm-6.c: New testcase.
11443         * testsuite/gcc.target/i386/sseregparm-7.c: New testcase.
11444
11445 2005-07-14  Richard Guenther  <rguenther@suse.de>
11446
11447         * Makefile.in (explow.o, reg-stack.o): Depend on target.h.
11448         * calls.c (expand_call): Pass fntype to hard_function_value.
11449         (emit_library_call_value_1): Likewise.
11450         * explow.c: Include target.h.
11451         (hard_function_value): Take extra argument, the fntype.
11452         Use new target hook for function_value.
11453         * expr.h (hard_function_value): Change prototype.
11454         * function.c (aggregate_value_p): Pass 0 as fntype to
11455         hard_function_value.
11456         (assign_parms): Use new target hook for function_value.
11457         Pass 0 as fntype to hard_function_value.
11458         (expand_function_end): Likewise.
11459         * reg-stack.c: Include target.h.
11460         (stack_result): Use new target hook for function_value.
11461         * target-def.h: New target hook function_value.
11462         * target.h: Likewise.
11463         * targhooks.c (default_function_value): New function.
11464         * targhooks.h (default_function_value): Declare.
11465
11466 2005-07-13  Ian Lance Taylor  <ian@airs.com>
11467
11468         * config/mips/mips.h (CLZ_DEFINED_VALUE_AT_ZERO): Define.
11469
11470 2005-07-14  Jan Hubicka  <jh@suse.cz>
11471
11472         * tree-dfa.c (dump_variable): Use default_def function.
11473         * tree-ssa-alias.c (dump_points_to_info): Likewise.
11474         * tree-ssa.c (verify_use): Likewise.
11475         * tree-ssanames.c (release_ssa_name): Likewise.
11476         * tree-tailcall.c (eliminate_tail_call): Likewise.
11477         (tree_optimize_tail_calls_1): Likewise.
11478         * tree-vrp.c (get_value_range): Likewise.
11479
11480 2005-07-14  Ben Elliston  <bje@au.ibm.com>
11481
11482         * gcc.c (main): Compare language[0] with '*' when iterating over
11483         the infiles.
11484
11485 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11486
11487         * config/s390/s390.c: (s390_cc_modes_compatible): Move before
11488         "s390_emit_compare".  Add handling of CCZ1mode.
11489         (s390_canonicalize_comparison): Simplify cascaded EQ, NE.
11490         (390_emit_compare): Use "s390_cc_modes_compatible" for mode
11491         checking.
11492         (s390_branch_condition_mask): Add CCZ1mode handling.
11493         * config/s390/s390.md: ("seq", "*seq"): New pattern.
11494         ("sync_compare_and_swap_cc<mode>", "*sync_compare_and_swap_cc<mode>"):
11495         Use CCZ1mode instead of CCZmode.
11496         * config/s390/s390-modes.def: Add CCZ1mode.  Comment new mode.
11497
11498 2005-07-13  Adrian Straetling  <straetling@de.ibm.com>
11499
11500         * config/s390/s390.md: ("cmpstrsi", "*cmpstr<mode>"): New
11501         pattern.
11502         ("strlen<mode>", "*strlen<mode>"): Use hard reg 0 in SImode.
11503
11504 2005-07-13  Eric Christopher  <echristo@redhat.com>
11505
11506         * config/mips/mips.c (mips_canonicalize_comparison): New.
11507         (mips_emit_int_relational): Use.
11508
11509 2005-07-13  Eric Christopher  <echristo@redhat.com>
11510
11511         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11512         static extra parts.
11513         * config/s390/s390.md: Include tpf.md. Move tpf specific
11514         patterns...
11515         * config/s390/tpf.md: To here.
11516         * config/s390/s390.opt: Move tpf specific options...
11517         * config/s390/tpf.opt: to here. Add mmain option.
11518         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11519         * config/s390/tpf.h: Rewrite.
11520
11521 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11522
11523         * doc/tm.texi: Remove @xref{Cross-profiling}.
11524
11525 2005-07-13  Jeff Law  <law@redhat.com>
11526
11527         * fold-const.c (fold_binary): When comparing two simple ADDR_EXPR
11528         expressions, test their _DECL operands for pointer equality rather
11529         than using operand_equal_p.
11530
11531 2005-07-13  H.J. Lu  <hongjiu.lu@intel.com>
11532
11533         * config/alpha/linux.h (TARGET_HAS_F_SETLKW): Renamed to ...
11534         (TARGET_POSIX_IO): This.
11535         * config/darwin.h: Likewise.
11536         * config/freebsd.h: Likewise.
11537         * config/linux.h: Likewise.
11538         * config/lynx.h: Likewise.
11539         * config/netbsd.h: Likewise.
11540         * config/rs6000/linux64.h: Likewise.
11541         * config/rs6000/linux.h: Likewise.
11542         * config/s390/tpf.h: Likewise.
11543         * config/sh/embed-elf.h: Likewise.
11544         * config/sparc/linux64.h: Likewise.
11545         * config/sparc/linux.h: Likewise.
11546         * config/svr4.h: Likewise.
11547         * gcov-io.h: Likewise.
11548
11549         * doc/tm.texi: Updated.
11550
11551         * libgcov.c (create_file_directory): Defined only if
11552         TARGET_POSIX_IO is defined.
11553         (gcov_exit): Call create_file_directory only if TARGET_POSIX_IO
11554         is defined.
11555
11556 2005-07-13  Jan Hubicka  <jh@suse.cz>
11557
11558         * tree-ssa-operands.c (get_expr_operands): Fix typo in previous patch.
11559
11560 2005-07-13  David Edelsohn  <edelsohn@gnu.org>
11561
11562         * tree-ssa-dom.c (lookup_avail_expr): Do not pass member in freed
11563         structure as argument.
11564
11565 2005-07-13  Paolo Bonzini  <bonzini@gnu.org>
11566
11567         PR tree-optimization/21921
11568         * tree-iterator.c (tsi_link_before): Support the case when
11569         tsi_end_p (tsi) == true.
11570
11571 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11572
11573         PR tree-optimization/22442
11574         * tree-chrec.c (chrec_fold_multiply_poly_poly): Associate chrecs
11575         correctly.
11576
11577 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11578
11579         PR rtl-optimization/20376
11580         * toplev.c (process_options): Enable -fweb and -frename-registers when
11581         unrolling.
11582         * doc/invoke.texi: Update the information about when -fweb and
11583         -frename-registers are enabled.
11584
11585 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11586
11587         PR tree-opt/21840
11588         * tree-ssa-pre.c (eliminate): Convert the sprime to the correct type
11589         if *rhs_p is not a SSA_NAME.
11590
11591 2005-07-12  Daniel Berlin  <dberlin@dberlin.org>
11592
11593         Fix PR tree-optimization/22422
11594         * tree-ssa-structalias.c (struct variable_info): Add flag for
11595         special vars.
11596         (get_varinfo): Now a static function.
11597         (new_varinfo): init has_union and is_special_var to false.
11598         (solution_set_add): Check has_union.
11599         (do_da_constraint): Move temporary variable so it gets reset
11600         properly.
11601         Also check for special variable.
11602         (do_ds_constraint): Ditto.
11603         (do_sd_constraint): Ditto.
11604         (do_structure_copy): Check for special variable.
11605         (find_func_aliases): Ditto.
11606         (init_base_vars): Set special vars properly.
11607
11608 2005-07-13  Jan Hubicka  <jh@suse.cz>
11609
11610         * cfgexpand.c (expand_one_stack_var): Do not expand variables when we
11611         do unit-at-a-time.
11612
11613         * tree-ssa-operands.c (parse_ssa_operands): Fix formatting.
11614         (get_expr_operands): Fix thinko wrt flags and subvars.
11615
11616         PR tree-optimize/22379
11617         * tree-inline.c (expand_call_inline): Do not output sorry in early
11618         inlining.
11619
11620 2005-07-12  Dale Johannesen  <dalej@apple.com>
11621
11622         * config/rs6000.c (rs6000_rtx_cost):  Move FLOAT_EXTEND.
11623
11624 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11625
11626         PR bootstrap/21704
11627         * host-linux.h: Include limits.h.
11628
11629 2005-07-12  Dale Johannesen  <dalej@apple.com>
11630
11631         * expr.c (compress_float_constant):  Add cost check.
11632         * config/rs6000.c (rs6000_rtx_cost):  Adjust FLOAT_EXTEND cost.
11633
11634 2005-07-12  Dale Johannesen  <dalej@apple.com>
11635
11636         * gcc.target/i386/compress-float-sse.c:  New.
11637         * gcc.target/i386/compress-float-sse-pic.c:  New.
11638         * gcc.target/i386/compress-float-387.c:  New.
11639         * gcc.target/i386/compress-float-387-pic.c:  New.
11640         * gcc.dg/compress-float-ppc.c:  New.
11641         * gcc.dg/compress-float-ppc-pic.c:  New.
11642
11643 2005-07-12  Eric Christopher  <echristo@redhat.com>
11644
11645         * config.gcc (s390x-ibm-tpf*): Add extra_options. Remove
11646         static extra parts.
11647         * config/s390/s390.md: Include tpf.md. Move tpf specific
11648         patterns...
11649         * config/s390/tpf.md: To here.
11650         * config/s390/s390.opt: Move tpf specific options...
11651         * config/s390/tpf.opt: to here. Add mmain option.
11652         * config/s390/tpf-unwind.h: Remove unnecessary defines.
11653         * config/s390/tpf.h: Rewrite.
11654
11655 2005-07-12  Eric Christopher  <echristo@redhat.com>
11656
11657         * gcc.c (struct infile): Update comment for language.
11658         (main): Rewrite input file resetting code.
11659
11660 2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>
11661
11662         PR tree-opt/22335
11663         * tree-ssa-dom.c (eliminate_redundant_computations): Reject the prop if
11664         requiring a cast in a non RHS of modify_expr.  Add a cast when required.
11665         (lookup_avail_expr): Use constant_boolean_node instead
11666         of boolean_false_node/boolean_true_node.
11667
11668 2005-07-12  Ben Elliston  <bje@au.ibm.com>
11669
11670         * tree-cfg.c (dump_cfg_stats): Add a new fmt_str_2 format string
11671         and use it when printing num_edges.
11672
11673 2005-07-12  Bernd Schmidt  <bernd.schmidt@analog.com>
11674
11675         * doc/extend.texi (Blackfin Built-in Functions): New section.
11676         * doc/invoke.texi (mcsync-anomaly, mno-csync-anomaly): Fix the
11677         @opindex.
11678
11679 2005-07-12  Adrian Straetling  <straetling@de.ibm.com>
11680
11681         * builtins.c: (expand_builtin_memcmp, expand_builtin_strncmp):
11682         s/cmpstrsi/cmpstrnsi
11683         (expand_builtin_strcmp): Rewrite to support both 'cmpstrsi' and
11684         'cmpstrnsi'.
11685         * optabs.c: (prepare_cmp_insn): Add availability of 'cmpstrn'.
11686         (init_optabs): Initialize cmpstrn_optab.
11687         * optabs.h: (enum insn_code cmpstrn_optab): Declare.
11688         * genopinit.c: (optabs[]): Add 'cmpstrn' to initialisation.
11689         * expr.c: (enum insn_code cmpstrn_optab): Declare.
11690         * config/i386/i386.md: s/cmpstr/cmpstrn
11691         * config/c4x/c4x.md: s/cmpstr/cmpstrn
11692         * doc/md.texi: Update documentation.
11693
11694 2005-07-11  Richard Henderson  <rth@redhat.com>
11695
11696         * config/alpha/alpha.c (alpha_gimplify_va_arg_1): Use
11697         build_va_arg_indirect_ref.
11698         (alpha_gimplify_va_arg): Likewise.
11699         * config/c4x/c4x.c (c4x_gimplify_va_arg_expr): Likewise.
11700         * config/i860/i860.c (i860_gimplify_va_arg_expr): Likewise.
11701         * config/mips/mips.c (mips_gimplify_va_arg_expr): Likewise.
11702         * config/pa/pa.c (hppa_gimplify_va_arg_expr): Likewise.
11703         * config/sh/sh.c (sh_gimplify_va_arg_expr): Likewise.
11704         * config/stormy16/stormy16.c (xstormy16_expand_builtin_va_arg):
11705         Likewise.
11706         * config/xtensa/xtensa.c (xtensa_gimplify_va_arg_expr): Likewise.
11707
11708 2005-07-12  Zdenek Dvorak  <dvorakz@suse.cz>
11709
11710         * tree-flow.h (remove_empty_loops, single_dom_exit): Declare.
11711         * passes.c (init_optimization_passes): Add pass_empty_loop.
11712         * tree-pass.h (pass_empty_loop): Declare.
11713         * tree-ssa-loop-ivcanon.c (empty_loop_p, remove_empty_loop,
11714         try_remove_empty_loop, remove_empty_loops): New functions.
11715         * tree-ssa-loop-ivopts.c (single_dom_exit): Export.
11716         * tree-ssa-loop.c (tree_ssa_empty_loop, pass_empty_loop): New.
11717
11718 2005-07-12  Peter Barada  <peter@the-baradas.com>
11719
11720         PR middle-end/16719
11721         PR middle-end/18421
11722         * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Disallow bytes
11723         in address registers.
11724         * config/m68k/m68k.c (hard_regno_mode_ok): Likewise.
11725         * config/m68k/m68k.md: Replace 's' with 'i' in 4th
11726         alternative of addsi3_5200.
11727
11728 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11729
11730         * config/mips/mips.md (ffs<mode>2): Remove.
11731
11732 2005-07-11  Ian Lance Taylor  <ian@airs.com>
11733
11734         * doc/tree-ssa.texi (Cleanups): Improve description of
11735         TRY_FINALLY_EXPR.
11736         (GIMPLE Exception Handling): Clarify TRY_CATCH_EXPR cases.
11737
11738 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11739
11740         * print-tree.c (print_node): Use DECL_ARGUMENT_FLD.
11741         * tree.h (DECL_ARGUMENT_FLD): New macro.
11742
11743 2005-07-11  Daniel Berlin  <dberlin@dberlin.org>
11744
11745         Fix PR tree-optimization/22404
11746
11747         * tree-ssa-structalias.c (create_variable_info_for): Use
11748         correct offset.
11749
11750 2005-07-11  Bernd Schmidt  <bernd.schmidt@analog.com>
11751
11752         * config/bfin/bfin.md (cmpsi, compare_eq, compare_ne, compare_lt,
11753         compare_le, compare_leu, compare_ltu): Use reg_or_const_int_operand
11754         for second comparison operand.
11755         * config/bfin/predicates.md (reg_or_const_int_operand): New.
11756
11757         * config/bfin/bfin.md (define_attr "type"): Add "sync".
11758         (define_insn_reservation "alu"): Likewise.
11759         (csync, ssync): Now of type sync.
11760         * config/bfin/bfin.h (TARGET_DEFAULT): Defaults to
11761         -mcsync-anomaly -mspecld-anomaly.
11762         * config/bfin/bfin.opt (mcsync): Remove.
11763         (mcsync-anomaly, mspecld-anomaly): Add.
11764         * config/bfin/bfin.c: Include "insn-codes.h".
11765         (bfin_reorg): Extend to handle the CSYNC anomaly as well.
11766         (TARGET_DEFAULT_TARGET_FLAGS): New.
11767         * doc/invoke.texi: Document -mcsync-anomaly, -mspecld-anomaly.
11768
11769 2005-07-11  Steven Bosscher  <stevenb@suse.de>
11770
11771         * basic-block.h: Give the BB flags enum a name, bb_flags.
11772         Add new flags BB_FORWARDER_BLOCK, and BB_NONTHREADABLE_BLOCK.
11773         * cfgcleanup.c (enum bb_flags): Remove here.
11774         (BB_FLAGS, BB_SET_FLAG, BB_CLEAR_FLAG): Remove.
11775         (notice_new_block): Set/test bb->flags instead of aux via BB_FLAGS.
11776         (update_forwarder_flag): Likewise.
11777         (thread_jump): Likewise.
11778         (try_forward_edges): Likewise.
11779         (try_optimize_cfg): Likewise.  Clear bb->flags before updating the
11780         forwarder flags.  Don't clear bb->aux for all basic blocks.  Only
11781         reset the BB_FORWARDER_BLOCK and BB_NONTHREADABLE_BLOCK flags.
11782
11783 2005-07-11  Richard Guenther  <rguenther@suse.de>
11784
11785         * config/i386/i386.opt: New target option -msseregparm.
11786         * config/i386/i386.c (override_options): Error out for
11787         -msseregparm but no SSE support.
11788         (ix86_function_sseregparm): Check for global sseregparm.
11789         * doc/invoke.texi: Document -msseregparm.
11790
11791 2005-07-11  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
11792
11793         * config.gcc (m32r-*-linux*): Use the default extra_parts.
11794         (m32rle-*-linux*): Ditto.
11795
11796 2005-07-11  Jakub Jelinek  <jakub@redhat.com>
11797
11798         * cfgexpand.c (stack_protect_classify_type): Use TYPE_SIZE_UNIT (type)
11799         instead of TYPE_MAX_VALUE (TYPE_DOMAIN (type)) to get array size in
11800         bytes.
11801
11802 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11803
11804         PR middle-end/22239
11805         PR target/20126
11806         * loop.c (loop_givs_rescan): Use expand_simple_binop instead of
11807         gen_rtx_MINUS to handle non-replaceable (plus ((x) (const)).
11808
11809 2005-07-07  Daniel Berlin  <dberlin@dberlin.org>
11810
11811         * tree-ssa-structalias.c (struct variable_info): Heapify complex.
11812         (varmap): Heapify varmap.
11813         (constraints): Heapify constraints.
11814         (struct constraint_graph): Heapify succs and preds.
11815         (constraint_vec_find): Update for heapification.
11816         (constraint_set_union): Ditto.
11817         (insert_into_complex): Ditto.
11818         (constraint_edge_vec_find): Ditto.
11819         (erase_graph_self_edge): Ditto.
11820         (add_graph_edge): Ditto.
11821         (get_graph_weights): Ditto.
11822         (merge_graph_nodes): Ditto.
11823         (build_constraint_graph): Ditto.
11824         (topo_visit): Ditto.
11825         (solve_graph): Ditto.
11826         (create_variable_info_for): Ditto.
11827         (init_base_vars): Ditto.
11828         (delete_points_to_sets): Free graph, varmap, and complex constraints.
11829         (condese_varmap_nodes): Free complex vector.
11830         (clear_edges_for_node): Clear succs and preds vector.
11831
11832 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11833
11834         * tree-ssa-structalias.c (update_alias_info): Change counting of
11835         references to not include vdefs.
11836
11837 2005-07-10  Daniel Berlin  <dberlin@dberlin.org>
11838
11839         * tree-ssa-alias.c (free_used_part_map): Add missing free.
11840         (up_insert): Ditto.
11841
11842 2005-07-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
11843
11844         * pa.c (pa_commutative_p): Make PLUS commutative when
11845         TARGET_NO_SPACE_REGS is true.
11846
11847 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11848
11849         * Makefile.in (tree-ssa-alias.o): Depend on tree-ssa-structalias.h
11850         * tree-cfg.c (CHECK_OP): Only test for is_gimple_val.
11851         * tree-dfa.c (dump_subvars_for): New.
11852         (debug_subvars_for): New.
11853         (dump_variable): Show subvariables if VAR has them.
11854         * tree-flow-inline.h (get_subvar_at): New.
11855         (overlap_subvar): Change offset and size to unsigned HOST_WIDE_INT.
11856         * tree-flow.h (struct ptr_info_def): Remove field pt_malloc.
11857         Update all users.
11858         (struct subvar): Change fields offset and size to unsigned
11859         HOST_WIDE_INT.
11860         (dump_subvars_for): Declare.
11861         (debug_subvars_for): Declare.
11862         (get_subvar_at): Declare.
11863         (okay_component_ref_for_subvars): Change 2nd and 3rd argument
11864         to unsigned HOST_WIDE_INT *.
11865         (overlap_subvar): Likewise.
11866         * tree-gimple.c (is_gimple_reg): Always return false for
11867         SFTs and memory tags.
11868         * tree-pass.h (pass_build_pta, pass_del_pta): Remove.
11869         Update all callers.
11870         * tree-ssa-alias.c: Include tree-ssa-structalias.h.
11871         (compute_may_aliases): Call compute_points_to_sets.
11872         (collect_points_to_info_for): Remove.
11873         (compute_points_to_and_addr_escape): Remove.
11874         (delete_alias_info): Call delete_points_to_sets.
11875         (compute_flow_sensitive_aliasing): If the call to
11876         find_what_p_points_to returns false, call set_pt_anything.
11877         (add_may_alias): Set TREE_ADDRESSABLE when adding a new alias.
11878         (set_pt_anything): Clear pi->pt_vars.
11879         (set_pt_malloc): Remove.
11880         (merge_pointed_to_info): Remove.
11881         (add_pointed_to_expr): Remove.
11882         (add_pointed_to_var): Remove.
11883         (collect_points_to_info_r): Remove.
11884         (is_escape_site): Make extern.
11885         (create_sft): New.
11886         (create_overlap_variables_for): Call it.
11887         * tree-ssa-copy.c (merge_alias_info): Never merge
11888         flow-sensitive alias information.
11889         * tree-ssa-operands.c (get_expr_operands): Adjust variables
11890         offset and size to be unsigned HOST_WIDE_INT.
11891         (add_to_addressable_set): Rename from note_addressable.
11892         Set TREE_ADDRESSABLE as the variables are added to the set.
11893         Update all users.
11894         (add_stmt_operand): Do not try to micro-optimize unmodifiable
11895         operands into VUSEs when adding V_MAY_DEFs for members in an
11896         alias set.
11897         * tree-ssa-operands.h (add_to_addressable_set): Declare.
11898         * tree-ssa-structalias.c: Include tree-ssa-structalias.h last.
11899         (struct variable_info): Add bitfield is_heap_var.
11900         (var_anyoffset, anyoffset_tree, anyoffset_id): Declare.
11901         (new_var_info): Initialize is_heap_var.
11902         (get_constraint_for): Add HEAP variables to the symbol table.
11903         Mark them with is_heap_var.
11904         (update_alias_info): New.  Taken mostly from the old
11905         compute_points_to_and_addr_escape.
11906         (handle_ptr_arith): New.
11907         (find_func_aliases): Call update_alias_info.
11908         Call handle_ptr_info for tcc_binary expressions.
11909         Call mark_stmt_modified.
11910         (create_variable_info_for): If DECL has subvars, do not create
11911         variables for its subvars.  Always add all the fields.
11912         (set_uids_in_ptset): If the solution includes ANYOFFSET and
11913         SFTs, then add all the SFTs of the structure.
11914         If VI->DECL is an aggregate with subvariables, add the SFT at
11915         VI->OFFSET.
11916         (find_what_p_points_to): If VI is an artificial variable,
11917         translate to bitfields in SSA_NAME_PTR_INFO.
11918         If the solution is empty, set pi->pt_vars to NULL
11919         (init_base_vars): Create ANYOFFSET.
11920         (compute_points_to_sets): Rename from create_alias_vars.
11921         Make extern.
11922         (pass_build_pta): Remove.
11923         (delete_points_to_sets): Rename from delete_alias_vars.
11924         (pass_del_pta): Remove.
11925         * tree-ssa-structalias.h (struct alias_info): Move from
11926         tree-ssa-alias.h.
11927         (NUM_REFERENCES, NUM_REFERENCES_CLEAR, NUM_REFERENCES_INC,
11928         NUM_REFERENCES_SET): Likewise.
11929         (compute_points_to_sets, delete_points_to_sets): Declare.
11930
11931 2005-07-09  Richard Henderson  <rth@redhat.com>
11932
11933         * config/alpha/alpha.c (emit_insxl, alpha_expand_compare_and_swap_12,
11934         alpha_split_compare_and_swap_12, alpha_expand_lock_test_and_set_12,
11935         alpha_split_lock_test_and_set_12): New functions.
11936         * config/alpha/alpha-protos.h: Update.
11937         * config/alpha/alpha.md (UNSPEC_MB, UNSPEC_ATOMIC,
11938         UNSPEC_CMPXCHG, UNSPEC_XCHG): Rename from UNSPECV_FOO.
11939         * config/alpha/sync.md (I12MODE): New.
11940         (memory_barrier, mb_internal): Use unspec instead of unspec_volatile.
11941         (sync_<fetchop_name><I48MODE>): Likewise.
11942         (sync_nand<I48MODE>): Likewise.
11943         (sync_old_<fetchop_name><I48MODE>): Likewise.
11944         (sync_new_<fetchop_name><I48MODE>): Likewise.
11945         (sync_old_nand<I48MODE>, sync_new_nand<I48MODE>): Likewise.
11946         (sync_compare_and_swap<I48MODE>): Likewise.
11947         (sync_lock_test_and_set<I48MODE>): Likewise.
11948         (sync_compare_and_swap<I12MODE>): New.
11949         (sync_compare_and_swap<I12MODE>_1): New.
11950         (sync_lock_test_and_set<I12MODE>): New.
11951         (sync_lock_test_and_set<I12MODE>_1): New.
11952
11953 2005-07-09  Diego Novillo  <dnovillo@redhat.com>
11954
11955         PR 21356
11956         PR 22332
11957         * passes.c (execute_todo): Cleanup the CFG before updating SSA.
11958
11959 2005-07-09  Jakub Jelinek  <jakub@redhat.com>
11960
11961         * config/i386/i386.c (output_set_got): Don't omit OFFSET FLAT:
11962         in Intel syntax add %reg, OFFSET FLAT:_GLOBAL_OFFSET_TABLE_+(.-.Lx).
11963
11964 2005-07-09  Richard SAndiford  <richard@codesourcery.com>
11965
11966         PR target/21656
11967         * config/mips/elf.h (NO_IMPLICIT_EXTERN_C): Define.
11968
11969 2005-07-08  David Edelsohn  <edelsohn@gnu.org>
11970
11971         * config/rs6000/sync.md (load_locked_<mode>): Use Z for
11972         memory_operand constraint.
11973         (store_conditional_<mode>): Same.
11974         (sync_compare_and_swap<mode>): Same.
11975         (sync_lock_test_and_set<mode>): Same.
11976
11977 2005-07-08  Hans-Peter Nilsson  <hp@axis.com>
11978
11979         Rewrite PIC support to more closely model actual instructions.
11980         * config/cris/cris-protos.h (cris_gotless_symbol, cris_got_symbol)
11981         (cris_symbol): Remove prototypes for removed functions.
11982         (cris_pic_symbol_type_of, cris_valid_pic_const)
11983         (cris_expand_pic_call_address): Prototypes for new functions.
11984         * config/cris/cris/cris.c (cris_pic_sympart_only): Remove unused
11985         variable.
11986         (cris_print_operand) <case 'v', 'P'>: Remove cases for unused
11987         modifiers.
11988         <case ':'>: Add case for new punctuation character.
11989         <case 'd'>: Temporarily set flag_pic = 2 instead of incorrectly
11990         emitting (extra) PIC modifier.
11991         <case UNSPEC>: Do not assert for PLT.
11992         (cris_initial_frame_pointer_offset, cris_simple_epilogue)
11993         (cris_expand_prologue, cris_expand_epilogue): Check
11994         for pic_offset_table_rtx usage instead of taking
11995         current_function_uses_pic_offset_table as the final word.
11996         (cris_rtx_costs, cris_address_cost, cris_side_effect_mode_ok):
11997         Remove flag_pic difference.
11998         (cris_valid_pic_const, cris_pic_symbol_type_of): New functions,
11999         the moral equivalents of...
12000         (cris_symbol, cris_gotless_symbol, cris_got_symbol): Remove
12001         functions.
12002         (cris_legitimate_pic_operand): Just call cris_valid_pic_const.
12003         (cris_handle_option): Mark ARG as unused.
12004         (cris_expand_pic_call_address): New worker function for "call",
12005         "call_value".
12006         (cris_asm_output_symbol_ref, cris_asm_output_label_ref): Do not
12007         output PIC constructs here.
12008         (cris_output_addr_const_extra): Changes for emitting PIC modifiers
12009         as symbol-specific modifers, not whole or part of operands.
12010         * config/cris/cris/cris.h (EXTRA_CONSTRAINT): Remove 'U' case.
12011         (EXTRA_CONSTRAINT_S): Changed semantics: allow only CONST-wrapped
12012         constants and flag_pic.
12013         (CONSTANT_INDEX_P): Adjust for new functions.
12014         (enum cris_pic_symbol_type): New helper type.
12015         (PRINT_OPERAND_PUNCT_VALID_P): Add ':'.
12016         * config/cris/cris/cris.md (CRIS_UNSPEC_GOTREL)
12017         (CRIS_UNSPEC_GOTREAD, CRIS_UNSPEC_PLTGOTREAD): New
12018         define_constants.
12019         ("movsi"): Emit actual instructions for GOT and relative access.
12020         ("*movsi_got_load"): New pattern to set up the register holding
12021         the GOT pointer.
12022         ("*movsi_internal"): Operand 1 is not a plain general_operand.
12023         Adjust FIXME for 'S'.
12024         <output for 'S' alternative>: Sanity-check UNSPEC types for PIC.
12025         Use "movs" for -fpic cases.
12026         ("addsi3"): Add alternative for 'S'; use adds.w when possible.
12027         ("uminsi3","*expanded_call_value"): Remove 'S' alternative.
12028         ("call", "call_value"): Just call cris_expand_pic_call_address for
12029         PIC addresses.
12030         ("*expanded_call_no_gotplt", "*expanded_call_value_no_gotplt"):
12031         Remove special pattern.
12032         ("*expanded_call_side", "*expanded_call_value_side"): New
12033         patterns.
12034         (gotplt-to-plt, gotplt-to-plt-side-call)
12035         (gotplt-to-plt-side-call-value, gotplt-to-plt-side): New
12036         peephole2:s.
12037         * config/cris/cris/predicates.md
12038         ("cris_general_operand_or_gotless_symbol"): Remove unused
12039         predicate.
12040         ("cris_general_operand_or_symbol"): Adjust for new functions.
12041
12042 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12043
12044         * config/darwin.h (TARGET_C99_FUNCTIONS): Define to 1.
12045
12046 2005-07-08  Daniel Berlin  <dberlin@dberlin.org>
12047
12048         * Makefile.in (TREE_H): Add treestruct.def.
12049         (c-decl.o): Add pointer-set.h
12050         * c-decl.c (diagnose_mismatched_decls): Don't attempt to look at
12051         visibility on regular DECL's.
12052         (merge_decls): Fix the copying of decl nodes of various types for
12053         the new structures.  Don't update RTL, section name, weak status,
12054         etc, on DECL's without RTL.
12055         (grokdeclarator): DECL_ARG_TYPE_AS_WRITTEN is gone.
12056         Don't check volatile on non-variable types.
12057         (store_parm_decls_oldstyle): Use pointer_set instead of DECL_WEAK
12058         to check whether we have seen arguments.
12059         * c-objc-common.c (c_tree_printer): Reverse order of tests so that
12060         flag is checked before field (flag is common, field is not).
12061         * dwarf2out.c (decl_ultimate_origin):  Only DECL's with
12062         TS_DECL_COMMON could have an origin.
12063         (add_location_or_const_value_attribute): Don't check section name
12064         on non-var/function decls.
12065         (dwarf2out_var_location): Reverse order of tests.
12066         * emit-rtl.c (set_reg_attrs_for_parm): DECL_CHECK is dead, replace
12067         with DECL_WRTL_CHECK.
12068         * expmed.c (make_tree): rtl is now in decl_with_rtl.
12069         * fold-const.c (fold_binary): Don't check weakness on
12070         non-var/function decls.
12071         (tree_expr_nonzero_p): Ditto.
12072         (fold_checksum_tree): Use tree_decl_extra as sizeof
12073         buffer.
12074         * ggc-page.c (extra_order_size_table): Add sizes for
12075         tree_decl_non_common, tree_parm_decl,  tree_var_decl, and
12076         tree_field_decl.
12077         * gimplify.c (gimplify_bind_expr): Only set
12078         DECL_SEEN_IN_BIND_EXPR_P on VAR_DECL.
12079         * integrate.c (copy_decl_for_inlining): Don't set RTL on decl's
12080         without RTL.
12081         * langhooks-def.h (LANG_HOOK_INIT_TS): New.
12082         * langhooks.h (init_ts). New langhook.
12083         * passes.c (rest_of_decl_compilation): Reverse order of tests.
12084         * print-tree.c (print_node): Update to only print fields that
12085         exist in the structures the passed decl has.
12086         * toplev.c (wrapup_global_declarations): Don't reset
12087         DECL_DEFER_OUTPUT on DECL's that don't contain it.
12088         * tree-browser.c (browse_tree): DECL_ARG_TYPE_AS_WRITTEN removed.
12089         * tree-inline.c (remap_decl): Ditto.
12090         * tree-outof-ssa.c (create_temp): Reverse order of tests.
12091         * tree-pretty-print.c (print_declaration): Don't print
12092         DECL_REGISTER on things that don't contain it.
12093         * tree-vrp.c (expr_computes_nonzero): Don't check weakness on
12094         non-var/function decls.
12095         * tree.c (tree_contains_struct): New structure.
12096         (init_priority_for_decl): New hashtable.
12097         (tree_int_map): New structure.
12098         (tree_int_map_eq): New function.
12099         (tree_int_map_marked_p): Ditto.
12100         (tree_int_map_hash): Ditto.
12101         (tree_map): Move to tree.h.
12102         (tree_map_eq): Externalize.
12103         (tree_map_hash): Ditto.
12104         (tree_map_marked_p): Ditto.
12105         (init_ttree): Set up tree_contains_struct and call langhook.
12106         (decl_assembler_name): Use DECL_NON_COMMON_CHECK..
12107         (tree_code_size): Update for new structures.
12108         (tree_node_structure): Update for new structures.
12109         (make_node_stat): Don't try to set DECL_IN_SYSTEM_HEADER on decls
12110         without the field.
12111         (copy_node_stat):  Copy init priority.
12112         (build_decl_stat): Ditto for visibility.
12113         (ts_enum_names): New.
12114         (tree_contains_struct_check_failed): New function.
12115         (decl_init_priority_lookup): Ditto.
12116         (decl_init_priority_insert): Ditto.
12117         * treestruct.def: New file.
12118         * tree.h (CODE_CONTAINS_STRUCT): New macro.
12119         (CONTAINS_STRUCT_CHECK): Ditto.
12120         (tree_contains_struct_check_failed): New prototype.
12121         (DECL_CHECK): Removed.
12122         (DECL_MINIMAL_CHECK): New.
12123         (DECL_COMMON_CHECK): Ditto.
12124         (DECL_WRTL_CHECK): Ditto.
12125         (DECL_NON_COMMON_CHECK): Ditto.
12126         (DECL_WITH_VIS_CHECK): Ditto.
12127         (VAR_OR_FUNCTION_DECL_P): Ditto
12128         (struct tree_decl_minimal): New structure.
12129         (struct tree_decl_common): Ditto.
12130         (struct tree_decl_with_rtl): Ditto.
12131         (struct tree_decl_with_vis): Ditto.
12132         (struct tree_decl_non_common): Ditto.
12133         (struct tree_field_decl): Ditto.
12134         (struct tree_parm_decl): Ditto.
12135         (struct tree_var_decl): Ditto.
12136         (struct tree_function_decl): Ditto.
12137         (struct tree_const_decl): Ditto.
12138         (struct tree_result_decl): Ditto.
12139         (union tree_node): Add new structures.
12140         * var-tracking.c (track_expr_p): Reverse order of tests.
12141
12142         * doc/c-tree.texi: Add documentation on DECL node internal structure.
12143
12144 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
12145
12146         * cfgexpand.c (tree_expand_cfg): Don't use FINALIZE_PIC.
12147         * system.h: Poison FINALIZE_PIC.
12148         * doc/tm.texi (FINALIZE_PIC): Remove.
12149
12150 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12151
12152         PR tree-opt/22329
12153         * tree-ssa-propagate.c (fold_predicate_in): Convert the value
12154         to the correct type if we have a MODIFY_EXPR.
12155
12156 2005-07-08  Kazu Hirata  <kazu@codesourcery.com>
12157
12158         PR tree-optimization/22360
12159         * tree.c (upper_bound_in_type): Fix calculations for casting
12160         to a non-wider signed type and casting a signed value to a
12161         wider unsigned type.
12162         (lower_bound_in_type): Fix calculations for casting to a
12163         non-wider signed type.
12164
12165         PR tree-optimization/20139
12166         * tree-cfg.c (remove_bb): Check in_ssa_p before calling
12167         release_defs.
12168         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call
12169         fold_cond_expr_cond.
12170         * tree-ssanames.c (release_defs): Assert in_ssa_p.
12171         * tree.c (upper_bound_in_type, lower_bound_in_type): Rewrite.
12172
12173 2005-07-08  Andrew Pinski  <pinskia@physics.uc.edu>
12174
12175         PR tree-opt/22356
12176         * tree-complex.c (expand_complex_libcall): Produce
12177         REALPART_EXPR/IMAGPART_EXPR with the correct type.
12178
12179 2005-07-08  Kenneth Zadeck <zadeck@naturalbridge.com>
12180
12181         * bitmap.c (bitmap_and, bitmap_and_into, bitmap_and_compl,
12182         bitmap_and_compl_into, bitmap_xor, bitmap_xor_into): Removed "a !=
12183         b" assert and inserted fastpath code for this case.
12184         (bitmap_ior): Removed "a != b" assert.
12185
12186 2005-07-08  Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
12187
12188         * config/m32r/linux.h (STARTFILE_SPEC): Support PIE.
12189         (ENDFILE_SPEC): Likewise.
12190         * config/m32r/m32r.h (ASM_SPEC): Likewise.
12191
12192         * config/m32r/m32r.c (m32r_output_function_epilogue): Care for
12193         a large stack frame at epilogue.
12194
12195 2005-07-08  David Billinghurst  <David.Billinghurst@riotinto.com>
12196
12197         * final.c: Include sdbout.h when required.
12198
12199 2005-07-07  Geoffrey Keating  <geoffk@apple.com>
12200
12201         * config.gcc (*-*-darwin*): Only one target-specific header file
12202         for generic darwin.
12203         (powerpc-*-darwin*): Add version-specific header files.
12204         * configure.in (gcc_AC_CHECK_DECLS): Add strverscmp.
12205         * config.in: Regenerate.
12206         * configure: Regenerate.
12207         * gcc.c: Include xregex.h.
12208         (version_compare_spec_function): New.
12209         (spec_function): Add version-compare.
12210         (replace_outfile_spec_function): Reformat comment.
12211         (compare_version_strings): New.
12212         * config/darwin-c.c (version_as_macro): New.
12213         (builtin_define): New.
12214         (darwin_cpp_builtins): New.
12215         * config/darwin-protos.h (darwin_cpp_builtins): New.
12216         * config/darwin.h (CPP_SPEC): Don't define APPLE_CC here.
12217         (LIB_SPEC): Make unconditional, update comment.
12218         (TARGET_C99_FUNCTIONS): Define.
12219         * config/darwin.opt: Sort.
12220         (mmacosx-version-min=): New.
12221         * config/darwin7.h: Delete.
12222         * config/darwin8.h: Delete.
12223         * config/i386/darwin.h (): Call darwin_cpp_builtins.
12224         * config/rs6000/darwin.h (): Call darwin_cpp_builtins.
12225         (TARGET_C99_FUNCTIONS): Define.
12226         * config/rs6000/darwin7.h: New.
12227         * config/rs6000/darwin8.h: New.
12228         * doc/invoke.texi (Darwin Options): Add -mmacosx-version-min=
12229         (-mmacosx-version-min): Document.
12230
12231 2005-07-07  Ian Lance Taylor  <ian@airs.com>
12232
12233         * config/mips/mips.md (abs<mode>2) [GPR]: Remove.
12234
12235 2005-07-07  John David Anglin  <dave.anglin@nrc-crc.gc.ca>
12236
12237         PR middle-end/22239
12238         * loop.c (loop_givs_rescan): Check that v->new_reg is a REG.
12239
12240 2005-07-07  Khem Raj  <kraj@mvista.com>
12241
12242         * config/arm/arm.c (thumb_output_function_prologue): Calculate offset
12243         in bytes, not words.
12244
12245 2005-07-07  Paul Brook  <paul@codesourcery.com>
12246
12247         * config/arm/arm.c (arm_pad_arg_upward): Compare return value of
12248         DEFAULT_FUNCTION_ARG_PADDING to upward.
12249
12250 2005-07-07  Richard Henderson  <rth@redhat.com>
12251
12252         * function.c (locate_and_pad_parm): Record parameter alignment in
12253         stack_alignment_needed.
12254
12255 2005-07-07  David Edelsohn  <edelsohn@gnu.org>
12256
12257         * config/rs6000/rs6000.md (UNSPEC_SYNC, UNSPEC_SYNC_OP,
12258         UNSPEC_SYNC_SWAP, UNSPEC_LWSYNC, UNSPEC_ISYNC): Delete.
12259         (UNSPECV_LL, UNSPECV_SC, UNSPECV_ATOMIC, UNSPECV_SYNC,
12260         UNSPECV_SYNC_OP, UNSPECV_CMPXCHG, UNSPECV_LWSYNC, UNSPECV_ISYNC): New.
12261         (define_attr "type"): Add isync, sync, load_l, store_c.
12262         * config/rs6000/sync.md (memory_barrier): Change to define_expand.
12263         Create scratch volatile MEM.
12264         (sync_internal): New.  POWER mnemonic is dcs, not ics.  Attribute
12265         sync.
12266         (load_locked_<mode>): New.
12267         (store_conditional_<mode>): New.
12268         (sync_compare_and_swap<mode>): Replace with splitter.
12269         (sync_lock_test_and_set<mode>): Replace with splitter.
12270         (sync_<fetchop><mode>): Change to unspec_volatile UNSPECV_SYNC_OP
12271         and UNSPECV_ISYNC.
12272         (isync): Change to unspec_volatile UNSPECV_ISYNC.  POWER mnemonic
12273         is ics.  Attribute isync.
12274         (lwsync): Change to unspec_volatile UNSPECV_LWSYNC.  Attribute
12275         lwsync.
12276         * config/rs6000/rs6000.c (rs6000_emit_sync): Use UNSPEC_VOLATILE
12277         and UNSPECV_SYNC_OP.
12278         (emit_unlikely_jump): New.
12279         (emit_load_locked): New.
12280         (emit_store_conditional): New.
12281         (rs6000_split_compare_and_swap): New.
12282         (rs6000_split_lock_test_and_set): New.
12283         (is_dispatch_slot_restricted): Return 4 for TYPE_LOAD_L,
12284         TYPE_STORE_C, TYPE_ISYNC, TYPE_SYNC.
12285         * config/rs6000/rs6000-protos.h (rs6000_split_compare_and_swap,
12286         rs6000_split_lock_test_and_set): Declare.
12287         * config/rs6000/{40x.md,440.md,603.md,6xx.md,7450.md,7xx.md,8540.md,
12288         mpc.md,power4.md,power5.md,rios1.md,rios2.md,rs64.md): Add load_l,
12289         store_c, isync, sync.
12290
12291 2005-07-07  Kelley Cook  <kcook@gcc.gnu.org>
12292
12293         * Makefile.in (echo_quoted_to_gtyp): New template for outputing
12294         filenames to gtyp-gen.h.
12295         (s-typ-gen): Use it in place of for loops.
12296
12297 2005-07-07  J"orn Rennecke <joern.rennecke@st.com>
12298
12299         * hooks.c (hook_bool_rtx_int_false): New function.
12300         * hooks.h (hook_bool_rtx_int_false): Declare.
12301         * target-def.h (TARGET_COMMUTATIVE_P): Define.
12302         (TARGET_INITIALIZER): Add TARGET_COMMUTATIVE_P.
12303         * target.h (struct gcc_target): Add commutative_p member.
12304         * targhooks.c (hook_bool_rtx_commutative_p): New function.
12305         * targhooks.h (hook_bool_rtx_commutative_p): Declare.
12306         * pa.c (TARGET_COMMUTATIVE_P): Redefine.
12307         (pa_commutative_p): New function.
12308         * jump.c (target.h): Include.
12309         (rtx_renumbered_equal_p): Use targetm.commutative_p.
12310         * doc/tm.texi: Document TARGET_COMMUTATIVE_P.
12311
12312 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12313
12314         * config/s390/s390-protos.h (s390_expand_clrmem): Delete.
12315         (s390_expand_setmem): New.
12316         * config/s390/s390.c: Likewise.
12317         (print_shift_count_operand): Truncate to 12 bits instead of 6.
12318         Adapt comments.
12319         * config/s390/s390.md: ("setmem<mode>"): Accept character as
12320         general_operand.  Call new function "s390_expand_setmem".
12321         ("clrmem_long", "*clrmem_long"): Rewrite to ...
12322         ("setmem_long", "*setmem_long"): ... this.
12323
12324 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12325
12326         * config/s390/s390.c: (optimization_options): Enable
12327         TARGET_MVCLE at -Os.
12328         * doc/invoke.texi: Document changes in default behaviour.
12329         * config/s390/s390.opt: ("mvcle"): Fix typo: is "mmvcle".
12330
12331 2005-07-07  Adrian Straetling  <straetling@de.ibm.com>
12332
12333         * expr.c: (set_storage_via_setmem): Convert opchar to mode
12334         defined by back-end.
12335
12336 2005-07-07  Jakub Jelinek  <jakub@redhat.com>
12337
12338         * config/sparc/sparc.md (stack_protect_testsi): Put clobbers after
12339         all sets in the pattern.
12340         * config/rs6000/rs6000.md (stack_protect_testsi,
12341         stack_protect_testdi): Likewise.
12342
12343 2005-07-06  Jeff Law  <law@redhat.com>
12344
12345         * tree-vrp.c (simplify_using_ranges): Kill.
12346         (vrp_finalize): Remove call to simplify_using_ranges.
12347         (simplify_stmt_using_ranges): New function extracted from
12348         simplify_using_ranges.
12349         (simplify_div_or_mod_using_ranges): Likewise.
12350         (simplify_abs_using_ranges): Likewise.
12351         (simplify_cond_using_ranges): New function.
12352         * tree-flow.h (simplify_stmt_using_ranges): Prototype.
12353         * tree-ssa-propagate.c (substitute_and_fold): Call
12354         simplify_stmt_using_ranges if we have range information.
12355
12356 2005-07-06  James E. Wilson  <wilson@specifixinc.com>
12357
12358         * config/ia64/ia64.c (ia64_reorg): Check optimize before
12359         ia64_flag_schedule_isns2.
12360
12361         * config/ia64/ia64.c (ia64_expand_movxf_movrf): Don't word swap when
12362         reading/writing general registers.
12363         (ia64_function_arg): Revert 2005-06-18 change.
12364
12365 2005-07-06  John David Anglin  <dave.anglin@nrc-crnc.gc.ca>
12366
12367         * pa.c (legitimize_pic_address): Use gcc_assert instead of abort.
12368         (legitimize_tls_address): Use gcc_unreachable instead of abort.
12369
12370 2005-07-06  Kaz Kojima  <kkojima@gcc.gnu.org>
12371
12372         * function.c (expand_function_end): Revert part of 2005-06-27
12373         patch.  Do sjlj_emit_function_exit_after after return_label.
12374
12375 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12376
12377         * doc/install.texi (--disable-libssp): New.
12378
12379 2005-07-06  Fariborz Jahanian <fjahanian@apple.com>
12380
12381         * doc/invoke.texi: Update -fforce-mem documentation.
12382         * dojump.c (compare_from_rtx,do_compare_rtx_and_jump): Remove
12383         code for -fforce-mem.
12384         * expmed.c: (store_bit_field,store_fixed_bit_field,
12385         extract_bit_field): Ditto.
12386         * expr.c: (convert_move): Ditto.
12387         * optabs.c: (expand_binop,expand_twoval_unop,expand_twoval_binop,
12388         expand_unop,emit_unop_insn,prepare_cmp_insn,emit_conditional_move,
12389         emit_conditional_add,expand_float,expand_fix): Ditto.
12390         * opts.c: (decode_options): Remove setting of flag_force_mem flag.
12391         (common_handle_option): Issue warning when -fforce-mem specified.
12392
12393 2005-07-06  Paul Brook  <paul@codesourcery.com>
12394
12395         * aclocal.m4: Work around a bug in AC_PATH_PROGS when its last
12396         argument is empty.
12397         * configure: Regenerate.
12398
12399 2005-07-06  J"orn Rennecke <joern.rennecke@st.com>
12400
12401         * sh.c (final_prescan_insn): Undo bogus change from 2005-05-09.
12402
12403 2005-07-06  Daniel Berlin  <dberlin@dberlin.org>
12404
12405         Fix PR tree-optimization/22319
12406         Fix PR tree-optimization/22140
12407         Fix PR tree-optimization/22310
12408
12409         * tree-ssa-structalias.c (do_structure_copy): Give up earlier on
12410         variable sized types.
12411         Use correct type for intermediate structure on *a = *b structure
12412         copies.
12413
12414 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12415
12416         * config/rs6000/rs6000.h (RS6000_VARARGS_AREA, RS6000_VARARGS_SIZE):
12417         Remove.
12418         (STARTING_FRAME_OFFSET): Don't add RS6000_VARARGS_AREA.
12419         (machine_function): Move typedef to...
12420         * config/rs6000/rs6000.c (machine_function): ... here.  Add
12421         varargs_save_offset field.
12422         (rs6000_stack_t): Remove varargs_size field.
12423         (setup_incoming_varargs): Allocate varargs save area using
12424         assign_stack_local, try to make it as small as possible.
12425         Save offset from virtual_stack_vars_rtx to the save area
12426         in cfun->machine->varargs_save_offset.  Use UNITS_PER_FP_WORD
12427         instead of magic 8 when fp word byte size is used.
12428         (rs6000_va_start): Use cfun->machine->varargs_save_offset
12429         instead of -RS6000_VARARGS_SIZE.
12430         (rs6000_stack_info, debug_stack_info,
12431         rs6000_initial_elimination_offset): Remove all traces of
12432         varargs_size.
12433         * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Remove.
12434         * config/rs6000/darwin.h (STARTING_FRAME_OFFSET): Don't add
12435         RS6000_VARARGS_AREA.
12436
12437 2005-07-06  Zdenek Dvorak  <dvorakz@suse.cz>
12438
12439         PR tree-optimization/21963
12440         * tree-ssa-loop-ivopts.c (get_computation_aff): Use
12441         constant_multiple_of in the same way get_computation_cost_at does.
12442
12443 2005-07-06  Jakub Jelinek  <jakub@redhat.com>
12444
12445         * config/sparc/sparc.h (sparc_compare_emitted): New extern.
12446         * config/sparc/sparc.c (sparc_compare_emitted): New variable.
12447         (gen_compare_reg): If sparc_compare_emitted is set, clear it
12448         and return its previous value.
12449         (emit_v9_brxx_insn): Assert sparc_compare_emitted is NULL.
12450         * config/sparc/sparc.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): New
12451         constants.
12452         (stack_protect_set, stack_protect_test): New expanders.
12453         (stack_protect_setsi, stack_protect_setdi, stack_protect_testsi,
12454         stack_protect_testdi): New insns.
12455         * config/sparc/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12456         * config/sparc/linux64.h (TARGET_THREAD_SSP_OFFSET): Define.
12457
12458 2005-07-06  Jeff Law  <law@redhat.com>
12459
12460         * tree-ssa-dce.c (cfg_altered): New global.
12461         (tree_dce_init): Initialize cfg_altered.
12462         (remove_dead_stmt): If we remove an edge in the CFG, then set
12463         CFG_ALTERED.
12464         (perform_tree_ssa_dce): If we altered the CFG, then invalidate
12465         the dominators.
12466
12467 2005-07-06  Kazu Hirata  <kazu@codesourcery.com>
12468
12469         * Makefile.in (stamp-collect-ld): Use
12470         $(ORIGINAL_LD_FOR_TARGET) instead of $<.  Don't remove
12471         ./collect-ld if it already exists.
12472         (stamp-nm): Use $(ORIGINAL_NM_FOR_TARGET) instead of $<.
12473         Don't remove ./nm if it already exists.
12474
12475 2005-07-05  Devang Patel  <dpatel@apple.com>
12476
12477         * tree-vectorizer.h (struct _loop_vec_info): Remove loop_line_number.
12478         (LOOP_VINFO_LOC, LOOP_LOC): Remove.
12479         * tree-vectorizer.c (vect_loop_location): New.
12480         (vect_print_dump_info): Use vect_loop_location.
12481         (new_loop_vec_info): Do not set LOOP_VINFO_LOC.
12482         (vectorize_loops): Set vect_loop_location.
12483         * tree-vect-analyze.c (vect_analyze_offset_expr,
12484         vect_determin_vectorization_factor, vect_analyze_operations,
12485         vect_analyze_scalar_cycles, vect_analyze_data_ref_dependence,
12486         vect_analyze_data_ref_dependences, vect_compute_data_ref_alignment,
12487         vect_analyze_data_refs_alignment, vect_analyze_data_ref_access,
12488         vect_analyze_data_ref_accesses, vect_analyze_pointer_ref_access,
12489         vect_object_analysis, vect_analyze_data_refs, vect_mark_relevant,
12490         vect_stmt_relevant_p, vect_mark_stmts_to_be_vectorized,
12491         vect_can_advance_ivs_p, vect_get_loop_niters, vect_analyze_loop_form,
12492         vect_analyze_loop): Adjust vect_print_dump_info API.
12493         * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
12494         vect_create_data_ref_ptr, vect_init_vector, vect_get_vec_def_for_operand,
12495         vect_finish_stmt_generation, vectorizable_assignment,
12496         vectorizable_operation, vectorizable_store, vectorizable_load,
12497         vectorizable_live_operation, vectorizable_condition, vect_transform_stmt,
12498         vect_update_ivs_after_vectorizer, vect_do_peeling_for_loop_bound,
12499         vect_gen_ninters_for_prolog_loop, vect_do_peeling_for_alignment,
12500         vect_transform_loop): Same.
12501         * tree-vectorizer.c (get_vectype_for_scalar_type, vect_is_simple_use,
12502         vect_is_simple_reduction, vect_is_simple_iv_evolution, vectorize_loops):
12503         Same.
12504
12505 2005-07-05  Randolph Chung  <tausq@debian.org>
12506
12507         * configure.ac (hppa*-*-linux*: Check for a TLS capable gas.
12508         * configure: Regenerate.
12509         * config/pa/pa-protos.h (tls_symbolic_operand): Declare.
12510         (pa_tls_referenced_p): Declare.
12511         * config/pa/pa.c (legitimize_pic_address): Reject TLS operands.
12512         (gen_tls_tga, gen_tls_get_addr, hppa_tls_call): New.
12513         (legitimize_tls_address): New.
12514         (hppa_legitimize_address): Handle TLS addresses.
12515         (pa_tls_symbol_ref_1, pa_tls_referenced_p): New.
12516         (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12517         (emit_move_sequence): Handle TLS addresses.
12518         (pa_encode_section_info): Call default handler to handle common
12519         sections.
12520         * config/pa/pa.h (PA_SYMBOL_REF_TLS_P): New.
12521         (CONSTANT_ADDRESS_P): Reject TLS operands.
12522         (TARGET_HAVE_TLS) [HAVE_AS_TLS]: Define.
12523         * config/pa/pa.md (UNSPEC_TP, UNSPEC_TLSGD, UNSPEC_TLSLDM)
12524         (UNSPEC_TLSLDO, UNSPEC_TLSLDBASE, UNSPEC_TLSIE)
12525         (UNSPEC_TLSLE): Define new constants.
12526         (tgd_load, tld_load, tld_offset_load, tp_load, tie_load, tle_load): New.
12527         * config/pa/predicates.md (symbolic_operand): Reject TLS operands.
12528         (tls_symbolic_operand, tgd_symbolic_operand, tld_symbolic_operand)
12529         (tie_symbolic_operand, tle_symbolic_operand): New
12530
12531 2005-07-06  Kelley Cook  <kcook@gcc.gnu.org>
12532
12533         * aclocal.m4: Update macros for autoconf 2.59 style.
12534         * configure.ac: Likewise.
12535
12536 2005-07-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12537
12538         * pa.c (function_value): Handle small aggregates on 32-bit targets.
12539         (function_arg): Pass small aggregates in general registers on 32-bit
12540         targets.
12541         * som.h (MEMBER_TYPE_FORCES_BLK): Delete define.
12542
12543 2005-07-05  Andrew Pinski  <pinskia@physics.uc.edu>
12544
12545         * Makefile.in (final.o): Fix dependencies.
12546
12547 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12548
12549         PR c/22013
12550         PR c/22098
12551         * langhooks.h (struct lang_hooks): Add expr_to_decl.
12552         * langhooks.c (lhd_expr_to_decl): New.
12553         * langhooks-def.h (lhd_expr_to_decl, LANG_HOOKS_EXPR_TO_DECL):
12554         New.
12555         (LANG_HOOKS_INITIALIZER): Update.
12556         * tree.c (recompute_tree_invarant_for_addr_expr): Call
12557         expr_to_decl langhook.
12558         * c-tree.h (c_expr_to_decl): Declare.
12559         * c-typeck.c (c_expr_to_decl): New.
12560         (build_unary_op): Do not handle ADDR_EXPR of COMPOUND_LITERAL_EXPR
12561         specially.
12562         * c-objc-common.h (LANG_HOOKS_EXPR_TO_DECL): Define.
12563
12564 2005-07-05  Joseph S. Myers  <joseph@codesourcery.com>
12565
12566         PR c/22308
12567         * c-decl.c (finish_struct): Also copy C_TYPE_FIELDS_READONLY,
12568         C_TYPE_FIELDS_VOLATILE and C_TYPE_VARIABLE_SIZE to type variants.
12569
12570 2005-07-05  Paolo Bonzini  <bonzini@gnu.org>
12571
12572         * Makefile.in: Adjust dependencies.
12573         * tree-pass.h: Add new passes and passes formerly in tree-optimize.c.
12574         * basic-block.h (duplicate_computed_gotos): Remove, it is now static.
12575         * alias.c (rest_of_handle_cfg, pass_cfg): New.
12576         * bb-reorder.c (duplicate_computed_gotos): Make it static.
12577         * cfgexpand.c (tree_expand_cfg): Add code formerly at the beginning of
12578         rest_of_compilation.
12579
12580         * bb-reorder.c (gate_duplicate_computed_gotos,
12581         pass_duplicate_computed_gotos, gate_handle_reorder_blocks,
12582         rest_of_handle_reorder_blocks, pass_reorder_blocks,
12583         gate_handle_partition_blocks, rest_of_handle_partition_blocks,
12584         pass_partition_blocks): New.
12585         * bt-load.c (gate_handle_branch_target_load_optimize,
12586         rest_of_handle_branch_target_load_optimize,
12587         pass_branch_target_load_optimize): New.
12588         * cfgcleanup.c (rest_of_handle_jump, pass_jump, rest_of_handle_jump2,
12589         pass_jump2): New.
12590         * cfglayout.c (pass_insn_locators_initialize): New.
12591         * cfgrtl.c (pass_free_cfg): New.
12592         * combine.c (gate_handle_combine, rest_of_handle_combine,
12593         pass_combine): New.
12594         * cse.c (gate_handle_cse, rest_of_handle_cse, pass_cse,
12595         gate_handle_cse2, rest_of_handle_cse2, pass_cse2): New.
12596         * emit-rtl.c (pass_unshare_all_rtl, pass_remove_unnecessary_notes): New.
12597         * except.c (pass_set_nothrow_function_flags,
12598         pass_convert_to_eh_region_ranges, gate_handle_eh, rest_of_handle_eh,
12599         pass_rtl_eh): New.
12600         * final.c (pass_compute_alignments, rest_of_handle_final, pass_final,
12601         rest_of_handle_shorten_branches, pass_shorten_branches,
12602         rest_of_clean_state, pass_clean_state): New.
12603         * flow.c (pass_recompute_reg_usage, gate_remove_death_notes,
12604         rest_of_handle_remove_death_notes, pass_remove_death_notes,
12605         rest_of_handle_life, pass_life, rest_of_handle_flow2,
12606         pass_flow2): New.
12607         * function.c (pass_instantiate_virtual_regs, pass_init_function,
12608         rest_of_handle_check_leaf_regs, pass_leaf_regs): New.
12609         * gcse.c (gate_handle_jump_bypass, rest_of_handle_jump_bypass,
12610         pass_jump_bypass, gate_handle_gcse, rest_of_handle_gcse,
12611         pass_gcse): New.
12612         * global.c (rest_of_handle_global_alloc, pass_global_alloc): New.
12613         * ifcvt.c (gate_handle_if_conversion, rest_of_handle_if_conversion,
12614         pass_rtl_ifcvt, gate_handle_if_after_combine,
12615         rest_of_handle_if_after_combine, pass_if_after_combine,
12616         gate_handle_if_after_reload, rest_of_handle_if_after_reload,
12617         pass_if_after_reload): New.
12618         * integrate.c (pass_initial_value_sets): New.
12619         * jump.c (pass_cleanup_barriers, purge_line_number_notes,
12620         pass_purge_lineno_notes): New.
12621         * mode-switching.c (rest_of_handle_mode_switching,
12622         pass_mode_switching): New.
12623         * local-alloc.c (rest_of_handle_local_alloc, pass_local_alloc): New.
12624         * loop-init.c (gate_handle_loop2, rest_of_handle_loop2,
12625         pass_loop2): New.
12626         * loop.c (gate_handle_loop_optimize, rest_of_handle_loop_optimize,
12627         pass_loop_optimize): New.
12628         * modulo-sched.c (gate_handle_sms, rest_of_handle_sms,
12629         pass_sms): New.
12630         * postreload-gcse.c (gate_handle_gcse2, rest_of_handle_gcse2,
12631         pass_gcse2): New.
12632         * postreload.c (gate_handle_postreload, rest_of_handle_postreload,
12633         pass_postreload_cse): New.
12634         * profile.c (gate_handle_profiling, pass_profiling,
12635         rest_of_handle_branch_prob, pass_branch_prob): New.
12636         * recog.c (pass pass_split_for_shorten_branches, gate_do_final_split,
12637         pass_split_before_regstack, gate_handle_split_before_regstack,
12638         gate_handle_peephole2, rest_of_handle_peephole2, pass_peephole2,
12639         rest_of_handle_split_all_insns, pass_split_all_insns): New.
12640         * reg-stack.c (gate_handle_stack_regs, rest_of_handle_stack_regs,
12641         pass_stack_regs): New.
12642         * regmove.c (gate_handle_regmove, rest_of_handle_regmove, pass_regmove,
12643         gate_handle_stack_adjustments, rest_of_handle_stack_adjustments,
12644         pass_stack_adjustments): New.
12645         * regrename.c (gate_handle_regrename, rest_of_handle_regrename,
12646         pass_regrename): New.
12647         * reorg.c (gate_handle_delay_slots, rest_of_handle_delay_slots,
12648         pass_delay_slots, gate_handle_machine_reorg,
12649         rest_of_handle_machine_reorg, pass_machine_reorg): New.
12650         * rtl.h (extern void purge_line_number_notes): New.
12651         * sched-rgn.c (gate_handle_sched, rest_of_handle_sched,
12652         gate_handle_sched2, rest_of_handle_sched2, pass_sched,
12653         pass_sched2): New.
12654         * tracer.c (gate_handle_tracer, rest_of_handle_tracer,
12655         pass_tracer): New.
12656         * value-prof.c (gate_handle_value_profile_transformations,
12657         rest_of_handle_value_profile_transformations,
12658         pass_value_profile_transformations): New.
12659         * var-tracking.c (gate_handle_var_tracking,
12660         pass_variable_tracking): New.
12661         * web.c (gate_handle_web, rest_of_handle_web, pass_web): New.
12662
12663         * passes.c (open_dump_file, close_dump_file, rest_of_handle_final,
12664         rest_of_handle_delay_slots, rest_of_handle_stack_regs,
12665         rest_of_handle_variable_tracking, rest_of_handle_machine_reorg,
12666         rest_of_handle_old_regalloc, rest_of_handle_regrename,
12667         rest_of_handle_reorder_blocks, rest_of_handle_partition_blocks,
12668         rest_of_handle_sms, rest_of_handle_sched, rest_of_handle_sched2,
12669         rest_of_handle_gcse2, rest_of_handle_regmove,
12670         rest_of_handle_tracer, rest_of_handle_if_conversion,
12671         rest_of_handle_if_after_combine, rest_of_handle_if_after_reload,
12672         rest_of_handle_web, rest_of_handle_branch_prob,
12673         rest_of_handle_value_profile_transformations, rest_of_handle_cfg,
12674         rest_of_handle_jump_bypass, rest_of_handle_combine,
12675         rest_of_handle_life, rest_of_handle_cse, rest_of_handle_cse2,
12676         rest_of_handle_gcse, rest_of_handle_loop_optimize,
12677         rest_of_handle_loop2, rest_of_handle_branch_target_load_optimize,
12678         rest_of_handle_mode_switching, rest_of_handle_jump,
12679         rest_of_handle_eh, rest_of_handle_stack_adjustments,
12680         rest_of_handle_flow2, rest_of_handle_jump2,
12681         rest_of_handle_peephole2, rest_of_handle_postreload,
12682         rest_of_handle_shorten_branches, rest_of_clean_state,
12683         rest_of_compilation): Remove.
12684
12685         * cgraphunit.c (ipa_passes): Moved from tree-optimize.c.
12686         * passes.c (dump_flags, in_gimple_form, all_passes,
12687         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12688         register_dump_files, next_pass_1, last_verified, execute_todo,
12689         execute_one_pass, execute_pass_list, execute_ipa_pass_list): Moved
12690         from tree-optimize.c.
12691         (init_optimization_passes): Moved from tree-optimize.c,
12692         adding the RTL optimizations.
12693         * tree-dump.h (dump_info_p, dump_flag): Moved from tree.h.
12694         * tree-optimize.c (dump_flags, in_gimple_form, all_passes,
12695         all_ipa_passes, all_lowering_passes, register_one_dump_file,
12696         register_dump_files, next_pass_1, last_verified, execute_todo,
12697         execute_one_pass, execute_pass_list, execute_ipa_pass_list,
12698         init_tree_optimization_passes, ipa_passes): Delete.
12699         * tree-pass.h (enum tree_dump_index): Moved from tree.h, removing
12700         the RTL dumps.
12701         (TDF_*, get_dump_file_name, dump_enabled_p, dump_initialized_p,
12702         dump_begin, dump_end, dump_node, dump_switch_p, dump_flag_name): Moved
12703         from tree.h.
12704         (ipa_passes): Remove.
12705         (all_passes, all_ipa_passes, all_lowering_passes): Now extern.
12706         * tree.h (enum tree_dump_index, TDF_*, get_dump_file_name,
12707         dump_enabled_p, dump_initialized_p, dump_begin, dump_end, dump_node,
12708         dump_switch_p, dump_flag_name): Moved to tree-pass.h.
12709         (dump_info_p, dump_flag): Moved to tree-dump.h.
12710
12711         * Makefile.in: Adjust dependencies for tree-pretty-print.c,
12712         cgraph.c, opts.c.
12713         * passes.c (finish_optimization_passes): Use dump_begin
12714         and dump_end, TDI_end.
12715         (gate_rest_of_compilation): New.
12716         (pass_rest_of_compilation): Use it.
12717         (gate_postreload, pass_postreload): New.
12718         * toplev.c (general_init): Rename init_tree_optimization_passes.
12719         * toplev.h (init_tree_optimization_passes): Rename to
12720         init_optimizations_passes.
12721         * tree-dump.c (dump_flag): Make static.
12722         (dump_files): Remove RTL dumps.
12723         * tree-optimize.c (pass_all_optimizations, pass_early_local_passes,
12724         pass_cleanup_cfg, pass_free_cfg_annotations,
12725         pass_cleanup_cfg_post_optimizing, pass_free_datastructures,
12726         pass_init_datastructures, pass_fixup_cfg): Make non-static.
12727         * tree-pretty-print.c: Include tree-pass.h.
12728         * cgraph.c: Include tree-dump.h.
12729
12730 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12731
12732         * tree-ssa-structalias.c (get_constraint_exp_from_ssa_var):
12733         Only fall back to saying it points to readonly memory if
12734         we can't do better.
12735
12736 2005-07-05  Kazuhiro Inaoka  <inaoka.kazuhiro@renesas.com>
12737
12738         * config/m32r/m32r-protos.h: Remove m32r_finalize_pic.
12739         * config/m32r/m32r.c (m32r_compute_frame_size,
12740         m32r_expand_prologue): Take current_function_profile into
12741         account whenever we reference
12742         current_function_uses_pic_offset_table.
12743         (m32r_finalize_pic): Remove.
12744         * config/m32r/m32r.h (FINALIZE_PIC): Likewise.
12745
12746 2005-07-05  Kazu Hirata  <kazu@codesourcery.com>
12747
12748         * Makefile.in (stamp-as): Use $(ORIGINAL_AS_FOR_TARGET)
12749         instead of $<.  Don't remove ./as if it already exists.
12750
12751 2005-07-04  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12752
12753         PR target/21723
12754         * pa.md: Remove fcpy alternative from movhi and movqi patterns.
12755         * pa32-regs.h (HARD_REGNO_NREGS): Return two floating point registers
12756         for complex modes when generating code for PA 1.0.
12757         (VALID_FP_MODE_P): New macro.
12758         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12759         sets for all general and floating point modes.  Align wide floating
12760         point modes to even register boundaries to comply with architectural
12761         requirements.
12762         (CLASS_MAX_NREGS): Update to align with change to HARD_REGNO_NREGS.
12763         * pa64-regs.h (HARD_REGNO_NREGS): Update comment and formatting.
12764         (VALID_FP_MODE_P): New macro.
12765         (HARD_REGNO_MODE_OK): Use VALID_FP_MODE_P.  Use non-overlapping register
12766         sets for all general and floating point modes.  Align wide floating
12767         point modes to even register boundaries to comply with architectural
12768         requirements.
12769
12770 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12771
12772         * tree-dump.c (dump_files): Initialize dump number for .cgraph
12773         to 0.
12774
12775 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12776
12777         * tree-ssa-structalias.c: Don't include expr.h.
12778
12779 2005-07-04  Diego Novillo  <dnovillo@redhat.com>
12780
12781         * tree-iterator.h (TSI_NEW_STMT, TSI_SAME_STMT): Fix
12782         comments.
12783
12784 2005-07-04  Daniel Berlin  <dberlin@dberlin.org>
12785
12786         Fix PR tree-optimization/22279
12787
12788         * tree-ssa-structalias.c (offset_overlaps_with_access): Use
12789         correct operator.
12790
12791 2005-07-04  J"orn Rennecke <joern.rennecke@st.com>
12792
12793         * sh.c (output_ieee_ccmpeq): Replace "\\;" with "\n\t".
12794
12795 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12796
12797         * bb-reorder.c, c-pch.c, c-pragma.c, c.opt, cfghooks.c, cfgloop.c,
12798         cfgrtl.c, cgraphunit.c, config/c4x/c4x.c, config/cris/cris.c,
12799         config/frv/frv.c, config/host-darwin.c, config/iq2000/iq2000.c,
12800         config/lynx.h, config/m68k/m68k.c, config/pa/pa.c, config/sh/sh.h,
12801         config/stormy16/stormy16.c, config/v850/v850.c,
12802         config/vax/netbsd-elf.h, coverage.c, dwarf2out.c, emit-rtl.c,
12803         except.c, gcc.c, tree-cfg.c, tree-eh.c, tree-ssa.c, xcoffout.c:
12804         Avoid "." or "\n" at end of diagnostics and capital letters at
12805         start of diagnostics.
12806         * combine.c, cse.c: Don't translate dump file output.
12807         * toplev.c (print_version): Only translate output if going to
12808         stderr.
12809
12810 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12811
12812         * c-decl.c, tree-object-size.c, tree-vectorizer.c,
12813         config/arm/unwind-arm.c, config/arm/unwind-arm.h: Fix comment
12814         typos.
12815
12816 2005-07-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
12817
12818         * pa.c (fix_range): Fix typo in comment.
12819
12820 2005-07-03  Kazu Hirata  <kazu@codesourcery.com>
12821
12822         * tree-vrp.c (extract_range_from_assert): Replace
12823         fold (build (...)) with fold_build2.
12824
12825 2005-07-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
12826
12827         * c-format.c (gcc_gfc_format_type, gcc_gfc_flag_pairs,
12828         gcc_gfc_char_table, init_dynamic_gfc_info): New.
12829         (format_types_orig, handle_format_attribute): Add support for
12830         format "gcc_gfc".
12831
12832 2005-07-03  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12833
12834         * varasm.c (assemble_variable): Fix format specifier thinko.
12835
12836 2005-07-03  Ira Rosen  <irar@il.ibm.com>
12837
12838         PR tree-optimization/22029 (and 22135)
12839         * tree-pretty-print.c (dump_generic_node): Check that the node is not
12840         a phi node before calling dump_vops.
12841
12842 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12843
12844         * tree-dump.h (dump_string_field): Declare.
12845         * tree-dump.c: Use it instead of dump_string.
12846         (dump_string_field): Make non-static.
12847
12848 2005-07-03  Kaz Kojima  <kkojima@gcc.gnu.org>
12849
12850         * config/sh/sh.c (sh_output_mi_thunk): Initialize and clean
12851         up the minimal CFG stuff always when optimize > 0.  Call
12852         split_all_insns_noflow in PIC case if needed.
12853
12854 2005-07-02  Gabriel Dos Reis  <gdr@integrable-solutions.net>
12855             Christian Ehrhardt <ehrhardt@mathematik.uni-ulm.de>
12856
12857         PR c++/18279
12858         * c-decl.c (c_write_global_declarations): Dump contents of
12859         external scope to.
12860         * tree-dump.c (dequeue_and_dump): Dump abstract origin of a decl.
12861         <TRY_FINALLY_EXPR>, <RETURN_EXPR>, <CASE_LABEL_EXPR>, <LABEL_EXPR>,
12862         <GOTO_EXPR>, <SWITCH_EXPR>: Add.
12863         (dump_enabled_p): Return TRUE if PHASE is TDI_all and any dump
12864         is enabled.
12865
12866 2005-07-03  Joseph S. Myers  <joseph@codesourcery.com>
12867
12868         * c-common.h (GCC_DIAG_STYLE): Define.
12869         * c-tree.h (GCC_DIAG_STYLE): Do not define.  Change minimum GCC
12870         version for format checking to 4.1.
12871         * c-format.c: Include toplev.h after c-common.h.
12872         (enum format_type): Add gcc_tdiag_format_type.
12873         (gcc_tdiag_length_specs, gcc_tdiag_flag_pairs,
12874         gcc_tdiag_flag_specs, gcc_tdiag_char_table): New.
12875         (format_types_orig): Add gcc_tdiag.
12876         (init_dynamic_diag_info): Support gcc_tdiag formats.
12877         (handle_format_attribute): Likewise.
12878         * toplev.h (NO_FRONT_END_DIAG, ATTRIBUTE_GCC_FE_DIAG): Remove.
12879         (GCC_DIAG_STYLE): Default to __gcc_tdiag__.  Change minimum GCC
12880         version for format checking to 4.1.
12881         (warning0, warning, error, pedwarn, sorry): Use
12882         ATTRIBUTE_GCC_DIAG.
12883         * config/rs6000/rs6000.c (altivec_expand_builtin), varasm.c
12884         (finish_aliases_1): Do not use %qE.
12885         * config/arm/arm.c, config/i386/i386.c, config/mmix/mmix.c,
12886         config/pdp11/pdp11.c, stor-layout.c, tree-eh.c, tree-ssa.c:
12887         Correct format bugs.
12888         * config/v850/v850-protos.h (v850_output_aligned_bss): Change size
12889         parameter to unsigned HOST_WIDE_INT.
12890         * config/v850/v850.c (v850_output_aligned_bss): Likewise.
12891
12892 2005-07-02  David Edelsohn  <edelsohn@gnu.org>
12893
12894         PR middle-end/21742
12895         * expr.c (write_complex_part): Use adjust_address for MEM.
12896         (read_complex_part): Same.
12897
12898 2005-07-02  Daniel Berlin  <dberlin@dberlin.org>
12899
12900         Fix PR tree-optimization/22280
12901
12902         * tree-sra.c (generate_element_init): Remove useless loop.
12903
12904 2005-07-02  Richard Henderson  <rth@redhat.com>
12905
12906         * config/alpha/alpha.c (alpha_legitimize_address): Check for
12907         TLS_MODEL_NONE.
12908         (alpha_stdarg_optimize_hook): Use DECL_UID with va_list_vars.
12909
12910 2005-07-02  Andrew Pinski  <pinskia@physics.uc.edu>
12911
12912         PR middle-end/14490
12913         * fold-const.c (fold_binary): Handle the return value of
12914         fold_to_nonsharp_ineq_using_bound if we get back the same operand back.
12915         Implement "X +- C1 CMP C2" folding to "X CMP C2 -+ C1".
12916
12917 2005-07-02  Jeff Law  <law@redhat.com>
12918
12919         * tree-ssa-dom.c (find_equivalent_equality_comparison): Do not
12920         a eliminate type conversion which feeds an equality comparison
12921         if the original type or either operand in the comparison is a
12922         function pointer.
12923
12924 2005-07-02  Joseph S. Myers  <joseph@codesourcery.com>
12925
12926         * c.opt, common.opt, config/bfin/bfin.opt, config/pa/pa.opt,
12927         config/rs6000/rs6000.opt, params.def: Remove "." from end of help
12928         texts.
12929         * config/avr/avr.c: Do not use '`' as left quote.
12930         * config/rs6000/rs6000.c, config/s390/s390.c, opts.c, tree.c:
12931         Remove "." from end of diagnostics.  Make diagnostics start with
12932         lowercase letter.
12933
12934 2005-07-02  Zack Weinberg  <zack@codesourcery.com>
12935             Joseph S. Myers  <joseph@codesourcery.com>
12936
12937         * toplev.c (default_tree_printer): Handle setting location with
12938         '+' flag.
12939         * c-objc.common.c (c_tree_printer): Likewise.
12940         * c-format.c (gcc_diag_flag_specs): Add '+'.
12941         (gcc_cdiag_char_table): Allow '+' flag for tree formats.
12942         (format_types_orig): Allow '+' flag for gcc_diag and gcc_cdiag
12943         formats.
12944         * c-common.c, c-decl.c, c-objc-common.c, c-pragma.c,
12945         config/arm/pe.c, config/i386/winnt.c, config/ia64/ia64.c,
12946         config/mcore/mcore.c, config/sh/symbian.c, config/sol2.c,
12947         config/v850/v850.c, function.c, stor-layout.c, toplev.c,
12948         tree-inline.c, tree-optimize.c, tree.c, varasm.c: Use '+' flag
12949         instead of %J or %H.  Use 'q' flag for quoting.  Avoid '.' at end
12950         of diagnostics.  Use %q+D not %s for a decl.  Do not pass excess
12951         format arguments where %J is used without %D.
12952
12953 2005-07-02  Jakub Jelinek  <jakub@redhat.com>
12954
12955         * gcc.c (LINK_SSP_SPEC): Define.
12956         (link_ssp_spec): New variable.
12957         (LINK_COMMAND_SPEC): Add %(link_ssp).
12958         (static_specs): Add link_ssp_spec.
12959         * configure.ac (TARGET_LIBC_PROVIDES_SSP): New test.
12960         * configure: Rebuilt.
12961         * config.in: Rebuilt.
12962
12963         * config/rs6000/linux.h (TARGET_THREAD_SSP_OFFSET): Define.
12964         * config/rs6000/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12965         * config/i386/linux.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12966         * config/i386/linux64.h (TARGET_THREAD_SSP_OFFSET): Likewise.
12967         * config/rs6000/rs6000.md (stack_protect_set, stack_protect_test):
12968         If TARGET_THREAD_SSP_OFFSET is defined, use -0x7010(13) resp.
12969         -0x7008(2) instead of reading __stack_chk_guard variable.
12970         * config/i386/i386.md (UNSPEC_SP_SET, UNSPEC_SP_TEST): Change
12971         number.
12972         (UNSPEC_SP_TLS_SET, UNSPEC_SP_TLS_TEST): New constants.
12973         (stack_protect_set, stack_protect_test): Use *_tls* patterns
12974         if TARGET_THREAD_SSP_OFFSET is defined.
12975         (stack_tls_protect_set_si, stack_tls_protect_set_di,
12976         stack_tls_protect_test_si, stack_tls_protect_test_di): New insns.
12977
12978         Revert:
12979         2005-06-27  Richard Henderson  <rth@redhat.com>
12980         * libgcc-std.ver (GCC_4.1.0): New.
12981         * libgcc.h (__stack_chk_guard): Declare.
12982         (__stack_chk_fail, __stack_chk_fail_local): Declare.
12983         * libgcc2.c (L_stack_chk, L_stack_chk_local): New.
12984         * mklibgcc.in (lib2funcs): Add them.
12985
12986 2005-07-01  Richard Henderson  <rth@redhat.com>
12987
12988         * config/i386/linux-unwind.h (x86_64_fallback_frame_state): Cast to
12989         void * before struct sigcontext *.
12990         (x86_fallback_frame_state): Likewise.
12991
12992 2005-07-01  James E. Wilson  <wilson@specifixinc.com>
12993
12994         * doc/invoke.texi (-funit-at-a-time): Correct grammar in second bullet.
12995
12996 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
12997
12998         PR tree-opt/22269
12999         * tree-ssa-reassoc.c (should_transpose): Fix which operand
13000         we check for SSA_NAME for.
13001
13002 2005-07-01  Daniel Berlin  <dberlin@dberlin.org>
13003
13004         Fix PR tree-optimization/22071
13005
13006         * tree-ssa-structalias.c (offset_overlaps_with_access): New
13007         function.
13008         (get_constraint_for_component_ref): Use it.
13009
13010 2005-07-01  Andrew Pinski  <pinskia@physics.uc.edu>
13011
13012         PR other/22264
13013         * diagnostic.c (diagnostic_report_current_module): Use pp_newline to
13014         print out the last new line.
13015
13016 2005-07-01  Hans-Peter Nilsson  <hp@axis.se>
13017
13018         * config/cris/cris.md (CRIS_CC0_REGNUM): New constant.
13019         Swap numbers for CRIS_AP_REGNUM and CRIS_MOF_REGNUM.
13020         * config/cris/cris.c (cris_conditional_register_usage): Adjust
13021         reg_names[CRIS_CC0_REGNUM] for early CRIS versions.
13022         (cris_print_operand) <case REG>: Handle CRIS_CC0_REGNUM.
13023         (cris_md_asm_clobbers): Clobber CRIS_CC0_REGNUM for all asms.
13024         * config/cris/cris.h (CRIS_CANONICAL_CC0_REGNUM): New macro.
13025         (enum reg_class): New member CC0_REGS.
13026         (REG_CLASS_FROM_LETTER): Add 'c' for CC0_REGS.
13027         (FIRST_PSEUDO_REGISTER, CALL_USED_REGISTERS, REG_ALLOC_ORDER)
13028         (HARD_REGNO_MODE_OK, MODES_TIEABLE_P, REG_CLASS_NAMES)
13029         (CRIS_SPECIAL_REGS_CONTENTS, REG_CLASS_CONTENTS, REGNO_REG_CLASS)
13030         (PREFERRED_RELOAD_CLASS, REGISTER_NAMES, DBX_REGISTER_NUMBER):
13031         Adjust for register now described.
13032
13033 2005-07-01  Jakub Jelinek  <jakub@redhat.com>
13034
13035         PR target/22262
13036         * config/i386/i386.md (stack_protect_test_si,
13037         stack_protect_test_di): Add earlyclobber for scratch 3.
13038         * config/rs6000/rs6000.md (stack_protect_testsi,
13039         stack_protect_testdi): Add earlyclobber for scratch 3,
13040         remove earlyclobber from scratch 4.
13041
13042 Older entries for 2005 can be found in ChangeLog-2005.