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1 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
2
3         PR target/39137
4         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT
5         macro.
6         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
7         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
8         * config/i386/i386.c (ix86_local_alignment): For
9         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
10         long long variables on the stack to avoid dynamic realignment.
11         Allow the first argument to be a decl rather than type.
12         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
13
14 2009-03-11  Nick Clifton  <nickc@redhat.com>
15
16         PR target/5362
17         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
18         options.
19         Add description to mno-lsim option.
20         * config/mcore/mcore.h: Remove comment about deprecated m4align
21         option.
22         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
23         * doc/invoke.texi: Add description of mno-lsim and
24         mstack-increment options.
25
26         * config/fr30/fr30.opt: Document the -mno-lsim option.
27         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
28         and -mno-lsim options.
29
30 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
31
32         * fold-const.c (fold_comparison): Only call fold_inf_compare
33         if the mode supports infinities.
34
35 2009-03-11  Jason Merrill  <jason@redhat.com>
36
37         PR debug/39086
38         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
39         end already did.  Notice GIMPLE_CALL modifications of the result.
40         Don't copy debug information from an ignored decl or a decl from
41         another function.
42
43 2009-03-10  Richard Guenther  <rguenther@suse.de>
44             Nathan Froyd  <froydnj@codesourcery.com>
45
46         PR middle-end/37850
47         * libgcc2.c (__mulMODE3): Use explicit assignments to form the
48         result.
49         (__divMODE3): Likewise.
50
51 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
52
53         PR tree-optimization/39394
54         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
55         DECL_SIZE_UNIT of variable length FIELD_DECLs.
56
57 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
58
59         * recog.c (verfiy_changes): Disallow renaming of hard regs in
60         inline asms for register asm ("") declarations.
61
62 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
63
64         * fold-const.c (fold_unary): Fix comment.
65
66 2009-03-07  Jan Hubicka  <jh@suse.cz>
67
68         PR target/39361
69         * tree-inline.c (setup_one_parameter): Do replacement of const argument
70         by constant in SSA form.
71
72 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
73
74         PR middle-end/38028
75         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
76         determine alignment passed to assign_stack_local.
77         (assign_parms_unsplit_complex): Likewise.
78         * except.c (sjlj_build_landing_pads): Likewise.
79
80 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
81
82         PR middle-end/39360
83         * tree-flow.h (add_referenced_var): Return bool instead of void.
84         * tree-dfa.c (add_referenced_var): Return result of
85         referenced_var_check_and_insert call.
86         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
87         of referenced_var_check_and_insert.
88
89         PR debug/39372
90         * dwarf2out.c (add_abstract_origin_attribute): Return
91         origin_die.
92         (gen_variable_die): Emit DW_AT_location on abstract static variable's
93         DIE, don't emit it if abstract origin already has it.
94         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
95         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
96
97 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
98
99         * genpreds.c: (needs_variable): Fix parentheses at variable name
100         detection.
101         (write_tm_constrs_h): Indent generated code.
102
103 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
104
105         * doc/extend.texi (Function Attributes): Add documentation
106         for isr attributes.
107
108 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
109
110         PR debug/39387
111         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
112         take locus from its DECL_SOURCE_LOCATION instead of input_location.
113
114 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
115
116         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
117         the loop as bad.
118
119 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
120
121         PR debug/39379
122         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
123         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
124
125 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
126
127         * config/i386/i386.md (R8_REG, R9_REG): New constants.
128         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
129         constants instead of magic numbers.
130         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
131         (QI_REG_P): Ditto.
132         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
133         (x86_64_ms_abi_int_parameter_registers): Ditto.
134         (x86_64_int_return_registers): Ditto.
135         (ix86_maybe_switch_abi): Ditto.
136         (ix86_expand_call): Ditto for clobbered_registers array.
137         (ix86_hard_regno_mode_ok): Ditto.
138         (x86_extended_QIreg_mentioned_p): Ditto.
139
140 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
141
142         PR tree-optimization/39349
143         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
144
145         * combine.c (gen_lowpart_for_combine): Use omode when generating
146         clobber.
147
148 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
149
150         PR rtl-optimization/39235
151         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
152
153 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
154
155         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
156
157 2009-03-04  Richard Guenther  <rguenther@suse.de>
158
159         PR tree-optimization/39362
160         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
161         that occur in abnormal PHIs should be varying.
162
163 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
164
165         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
166         Extend comments.
167         (simple_iv):  Take loop as an argument instead of statement.
168         * tree-scalar-evolution.h (simple_iv): Declaration changed.
169         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
170         to simple_iv.
171         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
172         Ditto.
173         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
174         * matrix-reorg.c (analyze_transpose): Ditto.
175         * tree-data-ref.c (dr_analyze_innermost): Ditto.
176         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
177         * tree-predcom.c (ref_at_iteration): Ditto.
178         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
179
180 2009-03-04  Richard Guenther  <rguenther@suse.de>
181
182         PR tree-optimization/39358
183         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
184         escaped_id and callused_id.
185         (solve_graph): Likewise.
186
187 2009-03-04  Richard Guenther  <rguenther@suse.de>
188
189         PR tree-optimization/39339
190         * tree-sra.c (try_instantiate_multiple_fields): Make it
191         no longer ICE on the above.
192
193 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
194
195         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
196         that fits within Pmode.
197
198 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
199
200         PR middle-end/10109
201         * tm.texi (LIBCALL_VALUE): Update description.
202
203 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
204
205         PR middle-end/34443
206         * doc/extend.texi (section): Update description.
207
208 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
209
210         PR middle-end/39345
211         * tree-inline.c (remapped_type): New.
212         (can_be_nonlocal): Call remapped_type instead of remap_type.
213
214 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
215
216         PR fortran/39354
217         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
218         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
219
220 2009-03-03  Richard Guenther  <rguenther@suse.de>
221
222         PR middle-end/39272
223         * tree.c (tree_nonartificial_location): New function.
224         * tree.h (tree_nonartificial_location): Declare.
225         * builtins.c (expand_builtin_memory_chk): Provide location
226         of the call location for artificial function pieces.
227         (maybe_emit_chk_warning): Likewise.
228         (maybe_emit_sprintf_chk_warning): Likewise.
229         (maybe_emit_free_warning): Likewise.
230         * expr.c (expand_expr_real_1): Likewise.
231
232 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
233
234         PR tree-optimization/39343
235         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
236         COMPONENT_REF t has ARRAY_TYPE.
237
238 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
239
240         PR middle-end/39335
241         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
242         when the type precision of the induction variable should be
243         larger than the type precision of nit.
244         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
245         * graphite.c (graphite_loop_normal_form): Same.
246         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
247
248 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
249
250         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
251         (*call_1_rex64_ms_sysv): Use named constants instead of magic
252         numbers to describe clobbered registers.
253         (*call_value_0_rex64_ms_sysv): Ditto.
254         * config/i386/mmx.md (mmx_emms): Ditto.
255         (mmx_femms): Ditto.
256
257 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
258
259         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
260         of ABI_64.
261
262 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
263
264         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
265         (spu_section_type_flags): New function.
266
267 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
268
269         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
270         reg_class_contents of FLOAT_REGS into a temporary.
271
272 2009-03-02  Richard Guenther  <rguenther@suse.de>
273             Ira Rosen  <irar@il.ibm.com>
274
275         PR tree-optimization/39318
276         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
277         information to the vectorized statement.
278
279 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
280
281         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
282         variable.  Use defined names instead of magic constants for REX SSE
283         registers.
284
285 2009-03-01  Richard Guenther  <rguenther@suse.de>
286
287         PR tree-optimization/39331
288         * omp-low.c (lower_send_shared_vars): Do not receive new
289         values for the reference of DECL_BY_REFERENCE parms or results.
290
291 2009-03-01  Jan Hubicka  <jh@suse.cz>
292
293         PR debug/39267
294         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
295         BLOCK_NONLOCALIZED_VAR): New macros.
296         (tree_block): Add nonlocalized_vars.
297         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
298         gen_decl_die): Add origin argument.  Allow generation of die with
299         origin at hand only.
300         (gen_member_die, gen_type_die_with_usage, force_decl_die,
301         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
302         of gen_*.
303         (gen_block_die): Fix checking for unused blocks.
304         (process_scope_var): Break out from .... ; work with origins only.
305         (decls_for_scope) ... here; process nonlocalized list.
306         (dwarf2out_ignore_block): Look for nonlocalized vars.
307         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
308         vars.
309         (dump_scope_block): Dump them.
310         * tree-inline.c (remap_decls): Handle nonlocalized vars.
311         (remap_block): Likewise.
312         (can_be_nonlocal): New predicate.
313         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
314
315 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
316
317         * configure: Regenerate.
318
319 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
320
321         * optc-gen.awk: No need to duplicate option flags twice.
322         Reuse help texts for duplicate options which do not have
323         any.
324
325         * gcc.c (display_help): Document --version.
326
327         * gcc.c (main): If print_help_list and verbose_flag, ensure
328         driver output comes before subprocess output.
329
330         * optc-gen.awk: Assign all remaining fields to help string,
331         space-separated, for multi-line help in *.opt.
332
333         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
334         -Wno-pedantic-ms-format is for MinGW targets only.
335
336         * doc/options.texi (Option file format): Fix bad indentation,
337         restoring dropped sentence.
338
339 2009-02-28  Jan Hubicka  <jh@suse.cz>
340
341         * tree-inline.c (tree_function_versioning): Output debug info.
342
343 2009-02-28  Jan Hubicka  <jh@suse.cz>
344
345         PR debug/39267
346         * tree-inline.c (setup_one_parameter): Do not copy propagate
347         arguments when not optimizing.
348
349 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
350
351         PR target/39327
352         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
353         (avx_addsubv4df3): Likewise.
354         (*avx_addsubv4sf3): Likewise.
355         (sse3_addsubv4sf3): Likewise.
356         (*avx_addsubv2df3): Likewise.
357         (sse3_addsubv2df3): Likewise.
358         (avx_unpckhps256): Correct item selectors.
359         (avx_unpcklps256): Likewise.
360         (avx_unpckhpd256): Likewise.
361         (avx_unpcklpd256): Likewise.
362
363 2009-02-28  Jan Hubicka  <jh@suse.cz>
364
365         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
366         static vars.
367         (copy_arguments_for_versioning): If var is declared don't declare it.
368         (tree_function_versioning): First setup substitutions and then copy
369         args.
370
371 2009-02-27  Jan Hubicka  <jh@suse.cz>
372
373         PR debug/39267
374         * cgraph.h (varpool_output_debug_info): Remove.
375         * cgraphunit.c (varpool_output_debug_info): Remove.
376         * dwarf2out.c (deferred_locations_struct): New struct
377         (deferred_locations): New type.
378         (deferred_locations_list): New static var.
379         (deffer_location): New function.
380         (gen_variable_die): Use it.
381         (decls_for_scope): Output info on local static vars.
382         (dwarf2out_finish): Process deferred locations.
383         * varpool.c (varpool_output_debug_info): Remove.
384
385 2009-02-27  Jan Hubicka  <jh@suse.cz>
386
387         PR debug/39267
388         * tree.h (TREE_PROTECTED): Fix comment.
389         (BLOCK_HANDLER_BLOCK): Remove.
390         (struct tree_block): Remove handler_block add body_block.
391         (inlined_function_outer_scope_p): New.
392         (is_body_block): Remove.
393         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
394         * dwarf2out.c (is_inlined_entry_point): Remove.
395         (add_high_low_attributes): Use inlined_function_outer_scope_p.
396         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
397         code.
398         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
399         * gimplify.c (gimplify_expr): Gimplify body blocks.
400         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
401         block with multiple subblocks.
402         (dump_scope_block): Prettier output; dump more flags and info.
403         (dump_scope_blocks): New.
404         (remove_unused_locals): Use dump_scope_blocks.
405         * tree-flow.h (dump_scope_blocks): Declare.
406         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
407         * stmt.c (is_body_block): Remove.
408         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
409         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
410
411 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
412
413         PR middle-end/39308
414         * graphite.c (graphite_loop_normal_form): Do not call 
415         number_of_iterations_exit from a gcc_assert.
416
417 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
418
419         * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
420         jumps if COND is NULL.
421         (find_cond_jump): New function.
422         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
423         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
424
425 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
426
427         * config/alpha/alpha.h (alpha_expand_mov): Return false if
428         force_const_mem returns NULL_RTX.
429
430 2009-02-26  Jan Hubicka  <jh@suse.cz>
431
432         PR debug/39267
433         * cgraph.h (varpool_output_debug_info): Remove.
434         * cgraphunit.c (varpool_output_debug_info): Remove.
435         * dwarf2out.c (deferred_locations_struct): New struct
436         (deferred_locations): New type.
437         (deferred_locations_list): New static var.
438         (deffer_location): New function.
439         (gen_variable_die): Use it.
440         (decls_for_scope): Output info on local static vars.
441         (dwarf2out_finish): Process deferred locations.
442         * varpool.c (varpool_output_debug_info): Remove.
443
444 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
445
446         PR rtl-optimization/39241
447         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
448         to subreg_offset_representable_p.
449
450 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
451
452         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
453         execute function prototype.  Get f and nregs from max_reg_num
454         and get_insns.  Remove the first backward pass as it's dead,
455         guard the forward pass by flag_expensive_optimizations.
456         (rest_of_handle_regmove): Delete.
457         (pass_regmove): Replace it with regmove_optimize.
458
459 2009-02-25  Martin Jambor  <mjambor@suse.cz>
460
461         PR tree-optimization/39259
462         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
463         calls_alloca function flags.
464         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
465         calls are detected.
466
467 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
468
469         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
470         flags_set_1_rtx, flags_set_1_set): Delete.
471         (regmove_optimize): Do not call mark_flags_life_zones.
472
473 2009-02-24  Julian Brown  <julian@codesourcery.com>
474
475         PR target/35965
476         * config/arm/arm.c (require_pic_register): Only set
477         cfun->machine->pic_reg once per function.
478
479 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
480
481         * doc/invoke.texi (Link Options): Document an easier way to pass
482         options that take arguments to the GNU linker using -Xlinker and -Wl.
483
484 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
485
486         PR target/33785
487         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
488
489 2009-02-24  Richard Guenther  <rguenther@suse.de>
490
491         PR debug/39285
492         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
493
494 2009-02-24  Richard Guenther  <rguenther@suse.de>
495             Zdenek Dvorak  <ook@ucw.cz>
496
497         PR tree-optimization/39233
498         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
499         from converting them to a generic type.
500
501 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
502
503         PR tree-optimization/39260
504         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
505         contains a condition with a real type.
506         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
507
508 2009-02-23  Jason Merrill  <jason@redhat.com>
509
510         PR c++/38880
511         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
512         narrowing_initializer_constant_valid_p.
513         (narrowing_initializer_constant_valid_p): Don't return 
514         null_pointer_node for adding a pointer to itself.
515
516 2009-02-23  Jan Hubicka  <jh@suse.cz>
517
518         PR c/12245
519         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
520         resizing.
521
522 2009-02-23  Jan Hubicka  <jh@suse.cz>
523
524         PR tree-optimization/37709
525         * tree.c (block_ultimate_origin): Move here from dwarf2out.
526         * tree.h (block_ultimate_origin): Declare.
527         * dwarf2out.c (block_ultimate_origin): Move to tree.c
528         * tree-ssa-live.c (remove_unused_scope_block_p):
529         Eliminate blocks containig no instructions nor live variables nor
530         nested blocks.
531         (dump_scope_block): New function.
532         (remove_unused_locals): Enable removal of dead blocks by default;
533         enable dumping at TDF_DETAILS.
534
535 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
536
537         * config/i386/i386.c (classify_argument): Don't allow COImode
538         and OImode.
539         (function_arg_advance_32): Don't allow OImode.
540         (function_arg_32): Likewise.
541         (function_value_32): Likewise.
542         (return_in_memory_32): Likewise.
543         (function_arg_64): Remove OImode comment.
544
545 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
546
547         PR target/39261
548         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
549         ix86_expand_vector_set for V4DImode in 64bit mode only.
550         (ix86_expand_vector_init_one_var): Likewise.
551
552 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
553
554         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
555
556 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
557
558         PR bootstrap/39257
559         * loop-iv.c: Revert last change.
560         * emit-rtl.c: Likewise.
561
562 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
563
564         PR target/39256
565         * config/i386/i386.c (type_natural_mode): Remove an extra
566         space in the warning message.
567         (function_value_32): Handle 32-byte vector modes.
568         (return_in_memory_32): Likewise.
569
570 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
571
572         * loop-iv.c (truncate_value): New function.
573         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
574         of lowpart_subreg.
575         (lowpart_subreg): Move to...
576         * emit-rtl.c: ...here.
577
578 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
579
580         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
581         accidental and undocumented change at revision 140860.
582
583 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
584
585         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
586         take gimple_seq * arguments.
587         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
588         types_compatible_p langhook.
589
590 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
591             Joseph Myers  <joseph@codesourcery.com>
592
593         * config/arm/arm.c (arm_builtin_va_list): New function.
594         (arm_expand_builtin_va_start): Likewise.
595         (arm_gimplify_va_arg_expr): Likewise.
596         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
597         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
598         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
599         (va_list_type): New variable.
600         (arm_mangle_type): Mangle va_list_type appropriately.
601
602 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
603
604         PR middle-end/39157
605         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
606         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
607         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
608         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
609         parameter to 1000 for -O1 by default.
610         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
611         parameter.
612         * loop-invariant.c: Include params.h.
613         (move_loop_invariants): Don't call move_single_loop_invariants on
614         very large loops.
615
616 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
617
618         * calls.c (emit_library_call_value_1): Use slot_offset instead of
619         offset when calculating bounds for indexing stack_usage_map.  Fixes
620         a buffer overflow with certain target setups.
621
622 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
623
624         PR target/39240
625         * calls.c (expand_call): Clear try_tail_call if caller and callee
626         disagree in promotion of function return value.
627
628 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
629
630         PR target/39175
631         * c-common.c (c_determine_visibility): If visibility changed and
632         DECL_RTL has been already set, call make_decl_rtl to update symbol
633         flags.
634
635 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
636
637         PR c++/39188
638         * varasm.c (assemble_variable): Don't check DECL_NAME when
639         globalizing a variable.
640
641 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
642
643         PR c/38483
644         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
645         expression before any __builtin_trap call.
646         * c-typeck.c (build_function_call): Convert and check function
647         arguments before generating a call to a trap.  Evaluate the
648         function arguments before the trap.
649
650 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
651
652         PR target/39228
653         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
654         (UNSPEC_FXAM_MEM): New unspec.
655         (fxam<mode>2_i387_with_temp): New insn and split pattern.
656         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
657         memory using fxam<mode>2_i387_with_temp to remove excess precision.
658
659 2009-02-19  Richard Guenther  <rguenther@suse.de>
660
661         PR tree-optimization/39207
662         PR tree-optimization/39074
663         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
664         storedanything_tree): New.
665         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
666         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
667         (build_succ_graph): Add edges from STOREDANYTHING to all
668         non-direct nodes.
669         (init_base_vars): Initialize STOREDANYTHING.
670         (compute_points_to_sets): Free substitution info after
671         building the succ graph.
672         (ipa_pta_execute): Likewise.
673
674         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
675         field.
676         (do_ds_constraint): Do not add to special var or non-pointer
677         field solutions.
678         (type_could_have_pointers): Split out from ...
679         (could_have_pointers): ... here.  For arrays use the element type.
680         (create_variable_info_for): Initialize may_have_pointers.
681         (new_var_info): Likewise.
682         (handle_lhs_call): Make the HEAP variable unknown-sized.
683         (intra_create_variable_infos): Use a type with pointers for
684         PARM_NOALIAS, make it unknown-sized.
685
686 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
687
688         PR target/39224
689         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
690
691 2009-02-18  Jason Merrill  <jason@redhat.com>
692
693         PR target/39179
694         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
695         value if DECL_EXTERNAL.
696         * tree-sra.c (sra_walk_gimple_assign): Likewise.
697         * target.h (gcc_target::binds_local_p): Clarify "module".
698         * tree.h (TREE_PUBLIC): Clarify "module".
699
700 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
701
702         PR target/38891
703         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
704         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
705
706 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
707
708         PR target/39082
709         * c.opt (Wabi): Support C and ObjC.
710         (Wpsabi): New.
711
712         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
713
714         * config/i386/i386.c (classify_argument): Warn once about the ABI
715         change when passing union with long double.
716
717         * doc/invoke.texi: Update -Wabi for warning psABI changes.
718
719 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
720
721         PR c/35447
722         * c-parser.c (c_parser_compound_statement): Always enter and leave
723         a scope.
724
725 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
726
727         PR target/34587
728         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
729
730 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
731
732         PR tree-optimization/36922
733         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
734         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
735         Likewise.
736
737 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
738
739         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
740         to 0 for EABI64.
741
742 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
743
744         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
745
746 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
747
748         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
749         tree sharing.
750
751 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
752             Richard Sandiford  <rdsandiford@googlemail.com>
753
754         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
755         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
756         (loongson_biadd): ...this.
757
758 2009-02-17  Richard Guenther  <rguenther@suse.de>
759
760         PR tree-optimization/39202
761         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
762         a var make sure to follow existing collapses.
763
764 2009-02-17  Richard Guenther  <rguenther@suse.de>
765
766         PR middle-end/39214
767         * langhooks.c (lhd_print_error_function): Check for NULL block.
768
769 2009-02-17  Richard Guenther  <rguenther@suse.de>
770
771         PR tree-optimization/39204
772         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
773         of the PHI arg.
774
775 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
776
777         * config/soft-fp/double.h: Update from glibc CVS.
778
779 2009-02-17  Richard Guenther  <rguenther@suse.de>
780
781         PR tree-optimization/39207
782         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
783         strict-aliasing warnings for pointers pointing to NULL.
784
785 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
786
787         PR c/35446
788         * c-parser.c (c_parser_braced_init): Call pop_init_level when
789         skipping until next close brace.
790
791 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
792
793         PR target/37049
794         * config/i386/i386.c (ix86_expand_push): Set memory alignment
795         to function argument boundary.
796
797 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
798
799         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
800         in the lea_add. Reload eventually constraints it properly.
801         * config/picochip/constraints.md : Remove the target constraint
802         "b", since it is not needed anymore.
803
804 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
805
806         * gthr-dce.h: Uglify function parameter and local variable names.
807         * gthr-gnat.h: Likewise.
808         * gthr-mipssde.h: Likewise.
809         * gthr-nks.h: Likewise.
810         * gthr-posix95.h: Likewise.
811         * gthr-posix.h: Likewise.
812         * gthr-rtems.h: Likewise.
813         * gthr-single.h: Likewise.
814         * gthr-solaris.h: Likewise.
815         * gthr-tpf.h: Likewise.
816         * gthr-vxworks.h: Likewise.
817         * gthr-win32.h: Likewise.
818
819 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
820
821         PR target/39196
822         * config/i386/i386.md: Restrict the new peephole2 to move
823         between MMX/SSE registers.
824
825 2009-02-15  Richard Guenther  <rguenther@suse.de>
826
827         Revert
828         2009-02-13  Richard Guenther  <rguenther@suse.de>
829
830         * configure.ac: Enable LFS.
831         * configure: Re-generate.
832         * config.in: Likewise.
833
834 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
835
836         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
837         spu_srqwbyte, spu_srqwbytebc): Define.
838         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
839         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
840         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
841         "shrqby_<mode>"): New insn-and-split patterns.
842         * config/spu/spu.c (expand_builtin_args): Determine and return
843         number of operands using spu_builtin_description data.
844         (spu_expand_builtin_1): Use it.
845
846 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
847
848         PR target/38056
849         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
850         TARGET_CONST_GP.
851
852 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
853
854         PR target/39149
855         * config/i386/i386.c (override_options): Correct warning
856         messages for -malign-loops, -malign-jumps and -malign-functions.
857
858 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
859
860         PR target/39152
861         * config/i386/i386.md: Restrict the new peephole2 to move
862         between the general purpose registers.
863
864 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
865
866         PR target/39162
867         * config/i386/i386.c (type_natural_mode): Add a new argument.
868         Return the original mode and warn ABI change if vector size is 32byte.
869         (function_arg_advance): Updated.
870         (function_arg): Likewise.
871         (ix86_function_value): Likewise.
872         (ix86_return_in_memory): Likewise.
873         (ix86_sol10_return_in_memory): Likewise.
874         (ix86_gimplify_va_arg): Likewise.
875         (function_arg_32): Don't warn ABX ABI change here.
876         (function_arg_64): Likewise.
877
878 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
879
880         * loop-iv.c (implies_p): In the final case, test that operands 0
881         of the two comparisons match.
882
883         * config/bfin/bfin.c (find_prev_insn_start): New function.
884         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
885         (find_next_insn_start): Move.
886
887 2009-02-13  Richard Guenther  <rguenther@suse.de>
888
889         * configure.ac: Enable LFS.
890         * configure: Re-generate.
891         * config.in: Likewise.
892
893 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
894
895         PR c/35444
896         * c-parser.c (c_parser_parms_list_declarator): Discard pending
897         sizes on syntax error after some arguments have been parsed.
898
899 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
900
901         * doc/invoke.texi (-fira): Remove.
902
903 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
904
905         * caller-save.c: Replace regclass.c with reginfo.c in comments.
906         * recog.c: Likewise.
907         * rtl.h: Likewise.
908
909 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
910
911         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
912         (umul_ppmm): Likewise.
913         (count_leading_zeros): Likewise.
914         (count_trailing_zeros): Likewise.
915         (UMUL_TIME): Likewise.
916
917 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
918
919         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
920         soft-fp/t-softfp to tmake_file.
921
922         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
923         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
924         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
925         IA64_BUILTIN_INFQ]: New.
926         (ia64_init_builtins): Initialize __builtin_infq,
927         __builtin_fabsq and __builtin_copysignq if not HPUX.
928         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
929         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
930
931         * config/ia64/lib1funcs.asm (__divtf3): Define only if
932         SHARED is defined.
933         (__fixtfti): Likewise.
934         (__fixunstfti): Likewise.
935         (__floattitf): Likewise.
936
937         * config/ia64/libgcc-glibc.ver: New.
938         * config/ia64/t-fprules-softfp: Likewise.
939         * config/ia64/sfp-machine.h: Likewise.
940
941         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
942         (LIBGCC2_TF_CEXT): Likewise.
943         (TF_SIZE): Likewise.
944         (TARGET_INIT_LIBFUNCS): Likewise.
945
946         * config/ia64/t-glibc (SHLINB_MAPFILES):
947         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
948
949 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
950
951         * config/i386/i386.c (construct_container): Rewrite processing
952         BLKmode with X86_64_SSE_CLASS.
953
954 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
955
956         PR target/39152
957         * config/i386/i386.md: Replace simplify_replace_rtx with
958         replace_rtx in the new peephole2.
959
960 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
961
962         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
963         loop unrolling do not happen at -O2.
964
965 2009-02-12  Michael Matz  <matz@suse.de>
966
967         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
968
969 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
970
971         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
972         for -g3.
973
974 2009-02-12  Ben Elliston  <bje@au.ibm.com>
975
976         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
977         patterns when updating the back chain.  Missed in the 2009-02-10
978         change.
979
980 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
981
982         * doc/extend.texi (Decimal Floating Types): Update identifier of
983         draft TR and list of missing support.
984
985 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
986
987         PR middle-end/39154
988         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
989         bit to variable length decl's flags, add it also to its
990         pointer replacement variable.
991
992 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
993             Jakub Jelinek  <jakub@redhat.com>
994
995         PR target/39118
996         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
997         (memory_blockage): New expander.
998         (*memory_blockage): New insn pattern.
999         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1000         instead of general blockage at the end of function prologue when
1001         frame pointer is used to access red zone area.  Do not emit blockage
1002         when profiling, it is emitted in generic code.
1003         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1004         function epilogue when frame pointer is used to access red zone area.
1005
1006 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
1007
1008         PR target/38824
1009         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1010         by arithmetic with memory operands.
1011         * config/i386/predicates.md (commutative_operator): New.
1012
1013 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
1014
1015         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1016         bulleted lists.
1017
1018 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1019
1020         * alias.h (record_alias_subset): Declare.
1021         * alias.c (record_alias_subset): Make global.
1022
1023 2009-02-10  Nick Clifton  <nickc@redhat.com>
1024
1025         * tree-parloops.c: Change license to GPLv3.
1026         * ipa-struct-reorg.c: Change license to GPLv3.
1027         * ipa-struct-reorg.h: Change license to GPLv3.
1028
1029 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
1030
1031         PR c/39084
1032         * c-decl.c (start_struct): Return NULL on error.
1033
1034 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
1035
1036         PR middle-end/39124
1037         * cfgloopmanip.c (remove_path): Call remove_bbs after
1038         cancel_loop_tree, not before it.
1039
1040         PR target/39139
1041         * function.h (struct function): Add has_local_explicit_reg_vars bit.
1042         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1043         VAR_DECLs were seen.
1044         * tree-ssa-live.c (remove_unused_locals): Recompute
1045         cfun->has_local_explicit_reg_vars.
1046         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1047         copies or clearings if cfun->has_local_explicit_reg_vars.
1048
1049 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
1050
1051         PR target/39118
1052         * config/i386/i386.c (expand_prologue): Emit blockage at the end
1053         of function prologue when frame pointer is used to access
1054         red zone area.
1055
1056 2009-02-10  Richard Guenther  <rguenther@suse.de>
1057
1058         PR middle-end/39127
1059         * gimplify.c (gimple_regimplify_operands): Always look if
1060         we need to create a temporary.
1061
1062 2009-02-10  Richard Guenther  <rguenther@suse.de>
1063
1064         PR tree-optimization/39132
1065         * tree-loop-distribution.c (todo): New global var.
1066         (generate_memset_zero): Trigger TODO_rebuild_alias.
1067         (tree_loop_distribution): Return todo.
1068
1069 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
1070
1071         PR target/39119
1072         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1073         (x86_64_reg_class_name): Removed.
1074         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
1075         first one isn't X86_64_SSE_CLASS or any other ones aren't
1076         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
1077         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1078         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
1079         and 3 X86_64_SSEUP_CLASS.
1080         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
1081         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1082
1083 2009-02-10  Ben Elliston  <bje@au.ibm.com>
1084
1085         * config/rs6000/rs6000.md (allocate_stack): Always use an update
1086         form instruction to update the stack back chain word, even if the
1087         user has disabled the generation of update instructions.
1088         (movdi_<mode>_update_stack): New.
1089         (movsi_update_stack): Likewise.
1090         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1091         always use an update form instruction to update the stack back
1092         chain word.
1093
1094 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
1095
1096         PR middle-end/38953
1097         * graphite.c (if_region_set_false_region): After moving a region in
1098         the false branch of a condition, remove the empty dummy basic block.
1099         (gloog): Remove wrong fix for PR38953.
1100
1101 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1102
1103         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1104         generation due to implicit sign extension.
1105
1106 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
1107
1108         PR middle-end/38981
1109         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1110         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1111
1112 2009-02-09  Richard Guenther  <rguenther@suse.de>
1113
1114         PR middle-end/35202
1115         * convert.c (convert_to_real): Disable (float)fn((double)x)
1116         to fnf(x) conversion if errno differences may occur and
1117         -fmath-errno is set.
1118
1119 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
1120
1121         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1122         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1123         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1124
1125 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1126
1127         PR c/35434
1128         * c-common.c (handle_alias_attribute): Disallow attribute for
1129         anything not a FUNCTION_DECL or VAR_DECL.
1130
1131 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
1132
1133         PR c/39035
1134         * real.c (do_compare): Special-case compare of zero against
1135         decimal float value.
1136
1137 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1138
1139         PR c/36432
1140         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1141         as indicating flexible array members unless the field itself is
1142         being declarared as the incomplete array.
1143
1144 2009-02-06  Jan Hubicka  <jh@suse.cz>
1145
1146         PR tree-optimization/38844
1147         * ipa-inline.c (try_inline): Stop inlining recursion when edge
1148         is already inlined.
1149
1150 2009-02-06  Richard Guenther  <rguenther@suse.de>
1151
1152         PR middle-end/38977
1153         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1154         fork because we may expand it as __gcov_fork.
1155
1156 2009-02-06  Nick Clifton  <nickc@redhat.com>
1157
1158         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1159
1160 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
1161
1162         PR tree-optimization/35659
1163         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1164         vn_phi_eq): Shortcut if hashcode does not match.
1165         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1166         NULL operands.
1167         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1168         and avoid iterative_hash_expr.
1169         (FOR_EACH_VALUE_ID_IN_SET): New.
1170         (value_id_compare): Remove.
1171         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1172         sort expressions by value id.
1173
1174 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
1175
1176         PR target/38991
1177         * config/sh/predicates.md (general_movsrc_operand): Don't check
1178         the subreg of system registers here.
1179
1180 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
1181
1182         PR c++/39106
1183         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1184         on the copied decl.
1185
1186 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
1187
1188         PR rtl-optimization/39110
1189         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1190         addresses, not aligned ones.
1191
1192 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
1193             Richard Guenther  <rguenther@suse.de>
1194
1195         PR tree-optimization/39100
1196         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1197         comment says and add edges.
1198
1199 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
1200
1201         PR c/35435
1202         * c-common.c (handle_tls_model_attribute): Ignore attribute for
1203         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1204
1205 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
1206
1207         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1208         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1209         register_bb_in_sese, new_sese, free_sese): Moved.
1210         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1211         outermost_loop_in_scop, build_scop_iteration_domain,
1212         expand_scalar_variables_ssa_name, get_vdef_before_scop,
1213         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1214         Use loop_in_sese_p instead of loop_in_scop_p.
1215         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1216         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1217         (scopdet_basic_block_info): Fix bug in scop detection.
1218         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1219         eq_loop_to_cloog_loop): Remove.
1220         (nb_loops_around_loop_in_scop, nb_loop
1221         ref_nb_loops): Moved here...
1222         * graphite.h (ref_nb_loops): ... from here.
1223         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1224         (loop_domain_dim, loop_iteration_vector_dim): Remove.
1225         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1226         * testsuite/gcc.dg/graphite/scop-19.c: New
1227
1228 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
1229             Hans-Peter Nilsson  <hp@axis.com>
1230
1231         PR rtl-optimization/37889
1232         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1233         Move offset handling from PLUS to before the switch.  Use new
1234         arguments when considering SYMBOL_REFs too.
1235         (rtx_addr_can_trap_p): Pass dummy offset and size.
1236         (enum may_trap_p_flags): Remove.
1237         (may_trap_p_1): Pass size from MEM_SIZE.
1238
1239         PR rtl-optimization/38921
1240         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1241         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1242         * rtlanal.c (may_trap_after_code_motion_p): Delete.
1243         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1244
1245 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
1246
1247         AVX Programming Reference (January, 2009)
1248         * config/i386/sse.md (*vpclmulqdq): New.
1249
1250 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
1251
1252         PR tree-optimization/38977
1253         PR gcov-profile/38292
1254         * calls.c (special_function_p): Disregard __builtin_ prefix.
1255
1256 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
1257
1258         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1259         non-indexable addresses even before reload.
1260
1261 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1262
1263         PR c/29129
1264         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1265         as having variable size.  Do not give an error for unnamed
1266         parameters with [*] declarators.  Give a warning for type names
1267         with [*] declarators and mark them as variable size.
1268         * c-parser.c (c_parser_sizeof_expression): Do not give an error
1269         for sizeof applied to [*] type names.
1270
1271 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1272
1273         PR C++/36607
1274         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1275
1276 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1277
1278         * gcc.c (process_command): Update copyright notice dates.
1279         * gcov.c (print_version): Likewise.
1280         * gcov-dump.c (print_version): Likewise.
1281         * mips-tfile.c (main): Likewise.
1282         * mips-tdump.c (main): Likewise.
1283
1284 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1285
1286         PR c/35433
1287         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1288         for composite type involving a zero-length array type.
1289
1290 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1291
1292         PR target/35318
1293         * function.c (match_asm_constraints_1): Skip over
1294         initial optional % in the constraint.
1295
1296         PR inline-asm/39059
1297         * c-parser.c (c_parser_postfix_expression): If fixed point is not
1298         supported, don't accept FIXED_CSTs.
1299         * c-decl.c (finish_declspecs): Error if fixed point is not supported
1300         and _Sat is used without _Fract/_Accum.  Set specs->type to
1301         integer_type_node for cts_fract/cts_accum if fixed point is not
1302         supported.
1303
1304 2009-02-02  Catherine Moore  <clm@codesourcery.com>
1305
1306         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1307
1308 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
1309
1310         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1311         (ABI_HAS_64BIT_SYMBOLS): Use it.
1312         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1313
1314 2009-02-02  Paul Brook  <paul@codesourcery.com>
1315
1316         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1317
1318 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
1319
1320         PR inline-asm/39058
1321         * recog.h (asm_operand_ok): Add constraints argument.
1322         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
1323         recurse on matching constraint.
1324         (check_asm_operands): Pass constraints as 3rd argument to
1325         asm_operand_ok.  Don't look up matching constraint here.
1326         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1327         to asm_operand_ok.
1328
1329 2009-02-02  Ben Elliston  <bje@au.ibm.com>
1330
1331         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1332         TARGET_NARROW_VOLATILE_BITFIELD macro names.
1333
1334 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1335
1336         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1337         information.  Remove some obsolete information.  Reorganize.
1338
1339         * config/pa/fptr.c: Revert license to GPL 2.
1340         * config/pa/milli64.S: Likewise.
1341
1342 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1343
1344         PR target/38904
1345         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
1346         LIBRARY name in, instead of hard-coding it.
1347         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
1348         extra target make frag to tmake_files according to EH model.
1349         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
1350         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
1351         frags that define makefile variable EH_MODEL appropriately.
1352         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
1353         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
1354         to "-sjlj" according to type of EH configured.
1355         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1356         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
1357         to "_sjlj" according to type of EH configured.
1358         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1359         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
1360         (SHLIB_LINK):  Add missing semicolon to if-else construct.
1361         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1362         string value of "pe_dll" command-line option.
1363         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
1364         (SHLIB_SONAME):  Use it when overriding t-cygming default.
1365         (SHLIB_IMPLIB):  Override t-cygming default.
1366         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1367         string value of "pe_dll" command-line option.
1368
1369 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1370
1371         PR target/38952
1372         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1373         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1374
1375 2009-01-31  Richard Guenther  <rguenther@suse.de>
1376
1377         PR tree-optimization/38937
1378         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1379         computing the transitive closure.
1380
1381 2009-01-30  Richard Guenther  <rguenther@suse.de>
1382
1383         PR tree-optimization/39041
1384         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1385         Propagate variable indices only if the types match for this stmt.
1386
1387 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
1388
1389         PR target/39013
1390         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1391         inline but never defined.
1392
1393 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
1394
1395         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1396         (*insv_h_di_reg_extimm): New insn.
1397         (*insv_l<mode>_reg_extimm): New insn.
1398
1399 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1400
1401         * config/picochip/picochip.c (flag_conserve_stack): set
1402         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1403         fconserve-stack. Reduce call-overhead used by inliner.
1404
1405 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1406
1407         PR/38157
1408         * common.opt (flag_conserve_stack): Initialised to zero.
1409
1410 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
1411
1412         PR/39002
1413         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1414         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1415         method.
1416
1417 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
1418
1419         * ira-color.c (allocno_reload_assign): Update comments.
1420         * regmove.c (regmove_optimize): Likewise.
1421
1422         * ra.h: Removed.
1423
1424 2009-01-29  Robert Millan  <rmh@aybabtu.com>
1425
1426         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1427         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
1428         `MD_UNWIND_SUPPORT'.
1429         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1430
1431 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
1432
1433         PR tree-optimization/39007
1434         * tree-loop-distribution.c (generate_builtin): Use
1435         recompute_dominator to compute the immediate dominator of the
1436         basic block just after the loop.
1437
1438 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1439
1440         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1441         (ASM_OUTPUT_DWARF_PCREL): Define.
1442
1443 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
1444
1445         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1446         * doc/passes.texi: Remove entries about regclass, local-alloc, and
1447         global.  Modify entries about regmove and IRA.
1448
1449         * ra-conflict.c: Remove the file.
1450
1451         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1452
1453         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1454         (pass_regclass_init): Rename to pass_reginfo_init.
1455
1456         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1457
1458         * toplev.h (flag_ira): Remove.
1459
1460         * caller-save.c (setup_save_areas): Remove flag_ira.
1461
1462         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1463
1464         * global.c: Remove the file.
1465
1466         * opts.c: (decode_options): Remove flag_ira.
1467
1468         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1469
1470         * regmove.c: Modify file description.
1471         (find_use_as_address, try_auto_increment): Define them only if
1472         AUTO_INC_DEC is defined.
1473         (replacement_quality, replace_in_call_usage, fixup_match_1,
1474         stable_and_no_regs_but_for_p): Remove.
1475         (reg_set_in_bb): Make it static.
1476         (regmove_optimize): Remove flag_ira and code which worked for
1477         !flag_ira.
1478
1479         * local-alloc.c: Remove the file.
1480
1481         * common.opt (fira): Remove.
1482
1483         * ira.c: Include except.h.
1484         (eliminable_regset): Move from global.c.
1485         (mark_elimination): Ditto.  Remove flag_ira.
1486         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1487         equiv_mem_modified, validate_equiv_mem_from_store,
1488         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1489         contains_replace_regs, memref_referenced_p, memref_used_between_p,
1490         no_equiv, recorded_label_ref): Move from local-alloc.c.
1491         (update_equiv_regs): Ditto.  Make it static.
1492         (print_insn_chain, print_insn_chains): Move it from global.c.
1493         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
1494         (build_insn_chain): Ditto.  Make it static.
1495         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
1496         Rename to init_live_subregs.
1497         (gate_ira): Remove flag_ira.
1498
1499         * regclass.c: Rename reginfo.c.  Change file description.
1500         (FORBIDDEN_INC_DEC_CLASSES): Remove.
1501         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1502         (init_reg_sets_1): Remove code for evaluation of
1503         reg_class_superclasses and losing_caller_save_reg_set.
1504         (init_regs): Remove init_reg_autoinc.
1505         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1506         ok_for_base_p_nonstrict): Remove.
1507         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
1508         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
1509         corresponding entries.
1510         (dump_regclass, record_operand_costs, scan_one_insn,
1511         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1512         record_address_regs, auto_inc_dec_reg_p): Remove.
1513         (gt-regclass.h): Rename to gt-reginfo.h.
1514
1515         * rtl.h (dump_global_regs, retry_global_alloc,
1516         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1517
1518         * Makefile.in (RA_H): Remove.
1519         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1520         Rename regclass.o to reginfo.o.
1521         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
1522         gt-reginfo.h.
1523         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1524         (GTFILES): Rename regclass.c to reginfo.c.
1525
1526         * passes.c (init_optimization_passes): Remove pass_local_alloc and
1527         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
1528
1529         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1530         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1531         Remove flag_ira.
1532         (finish_spills): Ditto.  Remove code for !flag_ira.
1533         
1534 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
1535
1536         PR middle-end/35854
1537         * doc/invoke.texi (rtl debug options): Complete rewrite.
1538         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1539         to auto_inc_dec".
1540         * mode-switching.c (pass_mode_switching): Rename pass from
1541         "mode-sw" to "mode_sw".
1542         * except.c (pass_convert_to_eh_ranges): Rename pass from
1543         "eh-ranges" to "eh_ranges".
1544         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1545         to "subreg1".
1546                 
1547         
1548 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
1549             Alexander Monakov  <amonakov@ispras.ru>
1550
1551         PR middle-end/38857
1552         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1553         register.
1554         (move_exprs_to_boundary): Change return type and pass through
1555         should_move from move_op.  Relax assert.  Update usage ...
1556         (schedule_expr_on_boundary): ... here.  Use should_move instead of
1557         cant_move.
1558         (move_op_orig_expr_found): Indicate that insn was disconnected from
1559         stream.
1560         (code_motion_process_successors): Do not call after_merge_succs
1561         callback if original expression was not found when traversing any of
1562         the branches.
1563         (code_motion_path_driver): Change return type.  Update prototype.
1564         (move_op): Update comment.  Add a new parameter (should_move).  Update
1565         prototype.  Set *should_move based on indication provided by
1566         move_op_orig_expr_found.
1567
1568 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
1569
1570         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1571         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1572         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1573         * config/rs6000/rs6000.c (rs6000_override_options): Default
1574         avoid-indexed-addresses on for Power6, off for everything else.
1575         (avoiding_indexed_address_p): New function.
1576         (rs6000_legitimize_address): Use it.
1577         (rs6000_legitimate_address): Likewise.
1578         * config/rs6000/rs6000.md (movXX_updateX): Likewise
1579
1580 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
1581
1582         PR tree-optimization/38997
1583         * tree-loop-distribution.c (generate_memset_zero): Use
1584         POINTER_PLUS_EXPR for a pointer addition.
1585
1586 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1587
1588         * config/s390/s390.md (bswap<mode>2): New pattern added.
1589
1590 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1591
1592         * config/s390/s390.md (*tls_load_31): Added type attribute.
1593
1594 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1595
1596         * config/s390/s390.md: Fix a few comments.
1597
1598 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1599
1600         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1601         (*tm<mode>_full): Fixed z10prop attribute.
1602         (*tst<mode>_extimm): Fixed z10prop attribute.
1603         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1604         (*tstqiCCT_cconly): Fixed z10prop attribute.
1605         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1606         (*movsi_larl): Fixed z10prop attribute.
1607         (*movsi_zarch): Fixed z10prop attribute.
1608         (*movsi_eas): Fixed z10prop attribute.
1609         (*movhi): Fixed z10prop attribute.
1610         (*movqi): Fixed z10prop attribute.
1611         (*movstrictqi): Fixed z10prop attribute.
1612         (*mov<mode>): Fixed z10prop attribute.
1613         (*movcc): Fixed z10prop attribute.
1614         (*sethighpartdi_64): Fixed z10prop attribute.
1615         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1616         (*negdi2_sign_cc): Fixed z10prop attribute.
1617         (*negdi2_sign): Fixed z10prop attribute.
1618         (*absdi2_sign_cc): Fixed z10prop attribute.
1619         (*absdi2_sign): Fixed z10prop attribute.
1620         (*negabsdi2_sign_cc): Fixed z10prop attribute.
1621         (*negabsdi2_sign): Fixed z10prop attribute.
1622         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1623         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1624         (doloop_si64): Fixed z10prop attribute.
1625         (doloop_si31): Fixed z10prop attribute.
1626         (doloop_long): Fixed z10prop attribute.
1627         (indirect_jump): Fixed z10prop attribute.
1628         (nop): Fixed z10prop attribute.
1629         (main_base_64): Fixed z10prop attribute.
1630         (reload_base_64): Fixed z10prop attribute.
1631
1632 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
1633
1634         PR rtl-optimization/38740
1635         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1636         if !optimize.
1637         * config/mips/mips.c (mips_reorg): Likewise.
1638
1639 2009-01-28  Richard Guenther  <rguenther@suse.de>
1640
1641         PR tree-optimization/38926
1642         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1643         with the correct value id to a value.
1644         (do_regular_insertion): Use the value number of edoubleprime
1645         for the value number of the expr.
1646
1647         Revert
1648         2008-08-21  Richard Guenther  <rguenther@suse.de>
1649
1650         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1651         a PHI ask VN if it is already available.
1652         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1653         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1654
1655 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
1656
1657         PR middle-end/38934
1658         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1659         set to varying whenever max has TREE_OVERFLOW set, similarly
1660         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1661
1662 2009-01-28  Richard Guenther  <rguenther@suse.de>
1663
1664         PR middle-end/38908
1665         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1666         uninitialized aggregate uses in call arguments.
1667
1668 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
1669
1670         PR tree-optimization/38984
1671         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1672         the nothing_id variable if -fno-delete-null-pointer-checks.
1673
1674 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
1675
1676         PR target/38988
1677         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1678         (set_got_offset_rex64): Ditto.
1679
1680 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1681
1682         PR target/38941
1683         * doc/extend.texi: Improve local variable with asm reg.
1684
1685 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
1686
1687         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1688         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1689         was not supplied then set warn_packed_bitfield_compat to the
1690         default value of 1.
1691         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1692         against 1.
1693
1694 2009-01-27  Richard Guenther  <rguenther@suse.de>
1695
1696         PR tree-optimization/38503
1697         * cfgexpand.c (expand_gimple_basic_block): Ignore
1698         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1699         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1700         variables that cannot have TBAA applied.
1701         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1702         statements.
1703
1704 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
1705
1706         PR middle-end/38969
1707         * calls.c (initialize_argument_information): Do not wrap complex
1708         arguments in SAVE_EXPR.
1709
1710 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
1711
1712         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1713         (INSTALL_LIBGCC): Revert typo commit.
1714
1715 2009-01-26  Richard Guenther  <rguenther@suse.de>
1716
1717         PR tree-optimization/38745
1718         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1719         from special handling.
1720
1721 2009-01-26  Richard Guenther  <rguenther@suse.de>
1722
1723         PR tree-optimization/38745
1724         * tree-ssa.c (execute_update_addresses_taken): Do not include
1725         variables that cannot possibly be a register in not_reg_needs.
1726         Do not clear TREE_ADDRESSABLE on vars that may not become
1727         registers.
1728         * tree-ssa.c (update_alias_info_1): Include those in the set
1729         of addressable vars.
1730
1731 2009-01-26  Richard Guenther  <rguenther@suse.de>
1732
1733         PR middle-end/38851
1734         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1735         * tree-ssa-dse.c: Include langhooks.h
1736         (execute_simple_dse): Remove stores with zero size.
1737
1738 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
1739
1740         PR c/38957
1741         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1742         as PLUS_EXPR.
1743
1744 2009-01-24  Julian Brown  <julian@codesourcery.com>
1745
1746         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1747         config/arm/linux-atomic.c.
1748         * config/arm/linux-atomic.c: New.
1749
1750 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
1751
1752         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1753         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1754         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1755
1756 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1757
1758         PR c/38938
1759         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1760         properly.
1761
1762 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
1763
1764         PR tree-optimization/38953
1765         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1766         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1767         (gloog): Split the exit of the scop when the scop exit is a loop exit.
1768         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1769         changed the CFG.
1770
1771 2009-01-24  Paul Brook  <paul@codesourcery.com>
1772
1773         * config/arm/neon.md (neon_type): Move to arm.md.
1774         (neon_mov<VSTRUCT>): Add neon_type attribute.
1775         * config/arm/arm.md (neon_type): Move to here.
1776         (conds): Add "unconditioal" and use as default for NEON insns.
1777
1778 2009-01-24  Ben Elliston  <bje@au.ibm.com>
1779
1780         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1781         void *' warning from -Wc++-compat.
1782         * Makefile.in (dominance.o-warn): Remove.
1783
1784 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
1785
1786         PR tree-optimization/38932
1787         * fold-const.c (fold_unary_ignore_overflow): New.
1788         * tree.h (fold_unary_ignore_overflow): Declare.
1789         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1790         * tree-ssa-sccvn.c (visit_reference_op_load,
1791         simplify_unary_expression): Likewise.
1792
1793 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
1794
1795         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1796         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
1797         regardless of their type.
1798         * c-common.c (handle_packed_attribute): Don't ignore packed on
1799         bitfields.
1800         * c.opt (Wpacked-bitfield-compat): New warning option.
1801         * stor-layout.c (place_field): Warn if offset of a field changed.
1802         * doc/extend.texi (packed): Mention the ABI change.
1803         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1804         (Warning Options): Add it to the list.
1805
1806 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1807
1808         * c-opts.c (c_common_post_options): Fix a typo in comments.
1809
1810 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
1811
1812         PR middle-end/38615
1813         * gimplify.c (gimplify_init_constructor): Fix promotion of const
1814         variables to static.
1815         * doc/invoke.texi (-fmerge-all-constants): Update description.
1816
1817 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
1818
1819         PR target/38931
1820         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1821         (*movdi_1_rex64): Use type "mmx" for alternative 5.
1822
1823 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
1824
1825         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1826         a word boundary.
1827         (LOCAL_ALIGNMENT): Similarly.
1828
1829 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
1830             Joseph Myers  <joseph@codesourcery.com>
1831
1832         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1833         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1834         * config/arm/arm-tune.md: Regenerate.
1835         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1836         -march=iwmmxt2.
1837
1838 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
1839
1840         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1841         version number to five.
1842
1843 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
1844
1845         PR c++/38930
1846         * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1847         * c-common.c (set_underlying_type): Likewise.
1848         (is_typedef_decl ): Likewise
1849         * tree.h: Likewise
1850         (set_underlying_type): Likewise.
1851         (is_typedef_type): Likewise.
1852
1853 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
1854
1855         PR middle-end/38587
1856         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1857         crossing setjmps.
1858
1859 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
1860
1861         PR bootstrap/37660
1862         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
1863         (LIBGCC_SPEC):  Don't define.
1864         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
1865
1866 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
1867
1868         PR rtl-optimization/38879
1869         * alias.c (base_alias_check): Unaligned access via AND address can
1870         alias all surrounding object types except those with sizes equal
1871         or wider than the size of unaligned access.
1872
1873 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
1874
1875         PR c++/26693
1876         * c-decl.c: (clone_underlying_type): Move this ...
1877         * c-common.c (set_underlying_type): ... here.
1878         Also, make sure the function properly sets TYPE_STUB_DECL() on
1879         the newly created typedef variant type.
1880         (is_typedef_decl ): New entry point.
1881         * tree.h: Added a new member member_types_needing_access_check to
1882         struct tree_decl_non_common.
1883         (set_underlying_type): New entry point.
1884         (is_typedef_type): Likewise.
1885
1886 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
1887
1888         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1889         Check whether two instructions have memory references that
1890         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
1891         are helper functions for traversing.
1892         * alias.h (insn_alias_sets_confilict_p): New prototypes.
1893         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1894         not to draw dependency edge for instructions with non-conflicting
1895         alias sets.
1896
1897 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
1898
1899         PR other/38758
1900         * longlong.h: Update copyright years.  Use soft-fp license notice.
1901         Sync __clz_tab declaration with glibc.
1902
1903 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
1904
1905         PR target/30687
1906         * doc/extend.texi (syscall_linkage): New.
1907         (version_id): Modify.
1908
1909 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1910             Richard Guenther  <rguenther@suse.de>
1911
1912         PR tree-optimization/38747
1913         PR tree-optimization/38748
1914         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
1915         conversion if the base address is an indirect reference and the
1916         aliasing sets could cause issues.
1917
1918 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1919
1920         * common.opt (fgraphite, fgraphite-identity): Add comment for 
1921         explaining why these options are not documented.
1922
1923 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
1924
1925         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
1926         gimple_call_lhs is NULL.
1927
1928 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
1929
1930         PR target/38868
1931         * emit-rtl.c (adjust_address_1): Make sure memref is never
1932         overwritten.
1933
1934 2009-01-20  Ben Elliston  <bje@au.ibm.com>
1935
1936         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1937         const qualifier from arg parameter. Remove unnecessary cast to char *.
1938         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
1939         const qualifier from arg 2.
1940
1941 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
1942
1943         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
1944
1945 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
1946
1947         PR c/38869
1948         * rtl.h (reinit_regs): New prototype.
1949         * regclass.c: Include ira.h.
1950         (reinit_regs): New.
1951         * Makefile.in (regclass.o): Add ira.h.
1952         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
1953
1954 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
1955
1956         PR target/38736
1957         * c-common.c (handle_aligned_attribute): Use
1958         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
1959         default alignment value.
1960
1961         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
1962
1963         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
1964         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
1965
1966         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
1967         __BIGGEST_ALIGNMENT__.
1968
1969         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
1970
1971 2009-01-18  Richard Guenther  <rguenther@suse.de>
1972
1973         PR tree-optimization/38819
1974         * tree-flow.h (operation_could_trap_helper_p): Declare.
1975         * tree-eh.c (operation_could_trap_helper_p): Export.
1976         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
1977         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
1978         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
1979         are about to insert a possibly trapping instruction and fail
1980         in this case.
1981
1982 2009-01-18  Andreas Schwab  <schwab@suse.de>
1983
1984         * doc/install.texi (Configuration): Remove obsolete paragraph
1985         about use of --with-gnu-ld with --with-gnu-as.
1986
1987 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
1988
1989         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
1990         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
1991         Follow spelling conventions.
1992
1993 2009-01-18  Ben Elliston  <bje@au.ibm.com>
1994
1995         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
1996         C++ warning about implicit conversion from void * to struct
1997         bitmap_head_def *.
1998         (bitmap_obstack_free): Likewise for bitmap_element *.
1999         * Makefile.in (bitmap.o-warn): Remove.
2000
2001 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
2002
2003         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
2004
2005 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
2006             Tobias Grosser  <tobi.grosser@amd.com>
2007
2008         * graphite.c (graphite_trans_scop_block): Do not block single
2009         nested loops.
2010
2011 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
2012
2013         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2014         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2015         test with assertion.
2016
2017 2009-01-16  Richard Guenther  <rguenther@suse.de>
2018
2019         PR tree-optimization/38835
2020         PR middle-end/36227
2021         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2022         and INT + PTR -> (INT)(PTR p+ INT) folding.
2023         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2024
2025 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
2026
2027         PR target/38554
2028         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2029         the subreg from a lowpart subreg if it is also casting the value.
2030
2031 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2032             Tobias Grosser  <tobi.grosser@amd.com>
2033
2034         * graphite.c (compare_prefix_loops): New.
2035         (build_scop_canonical_schedules): Rewritten.
2036         (graphite_transform_loops): Move build_scop_canonical_schedules
2037         after build_scop_iteration_domain.
2038
2039 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2040             Tobias Grosser  <tobi.grosser@amd.com>
2041
2042         * graphite.c (add_conditions_to_domain): Add the loops to 
2043         the dimension of the iteration domain.  Do copy the domain
2044         only when it exists.
2045         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2046         (add_conditions_to_constraints): New.
2047         (can_generate_code_stmt, can_generate_code): Removed.
2048         (gloog): Do not call can_generate_code.
2049         (graphite_transform_loops): Call add_conditions_to_constraints
2050         after building the iteration domain.
2051
2052 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
2053
2054         PR tree-optimization/38789
2055         * tree-ssa-threadedge.c
2056         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2057         __builtin_constant_p.
2058
2059 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
2060
2061         * dce.c (delete_unmarked_insns): Reversed the order that insns are
2062         examined before deleting them.
2063         
2064 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
2065
2066         * function.c (aggregate_value_p): Correctly extract the function
2067         type from CALL_EXPR_FN lookup.
2068
2069 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
2070
2071         * config/picochip/picochip.c (picochip_override_options): Revert
2072         CFI asm flag disable commited previously.
2073
2074 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2075             Tobias Grosser  <tobi.grosser@amd.com>
2076             Jan Sjodin  <jan.sjodin@amd.com>
2077
2078         * graphite.c (scan_tree_for_params): On substractions negate
2079         all the coefficients of the term.
2080         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2081         of more than two operands.
2082         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2083         (get_vdef_before_scop): Handle also the case of default definitions.
2084
2085 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2086
2087         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2088         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2089         Also use them when walking CALL_INSN_FUNCTION_USAGE.
2090
2091 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
2092             Joey Ye  <joey.ye@intel.com>
2093
2094         PR middle-end/37843
2095         * cfgexpand.c (expand_stack_alignment): Don't update stack
2096         boundary nor check incoming stack boundary here.
2097         (gimple_expand_cfg): Update stack boundary and check incoming
2098         stack boundary here.
2099
2100 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
2101
2102         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2103         
2104 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
2105
2106         PR rtl-optimization/38245
2107         * calls.c (expand_call): Add stack arguments to
2108         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2109         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2110         in regs and partially in memory or BLKmode arguments.
2111         (emit_library_call_value_1): Add stack arguments to
2112         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2113         ACCUMULATE_OUTGOING_ARGS).
2114         * dce.c: Include tm_p.h.
2115         (find_call_stack_args): New function.
2116         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
2117         argument.
2118         (mark_insn): Call find_call_stack_args for CALL_Ps.
2119         (prescan_insns_for_dce): Walk insns backwards in bb rather than
2120         forwards.  Allocate and free arg_stores bitmap if needed, pass it
2121         down to deletable_insn_p, don't mark stores set in arg_stores
2122         bitmap, clear the bitmap at the beginning of each bb.
2123         * Makefile.in (dce.o): Depend on $(TM_P_H).
2124
2125 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
2126
2127         PR target/22599
2128         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2129         to make sure the insn is a conditional test (bug 22599).  Reformat a
2130         few long lines.
2131
2132 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2133
2134         PR middle-end/38431
2135         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2136         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2137         (gloog): Do not call cleanup_tree_cfg.
2138         (graphite_transform_loops): Call cleanup_tree_cfg after all 
2139         scops have been code generated.
2140
2141 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
2142         * doc/gty.texi (Invoking the garbage collector): Added new node
2143         and section documenting ggc_collect.
2144
2145 2009-01-14  Richard Guenther  <rguenther@suse.de>
2146
2147         PR tree-optimization/38826
2148         PR middle-end/38477
2149         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2150         initialization notes only if we actually emitted a warning.
2151         (intra_create_variable_infos): Add constraints for a result decl
2152         that is passed by hidden reference.
2153         (build_pred_graph): Mark all related variables non-direct on
2154         address-taking.
2155
2156 2009-01-14  Nick Clifton  <nickc@redhat.com>
2157
2158         * ira-conflicts.c: Include addresses.h for the definition of
2159         base_reg_class.
2160         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2161         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2162
2163 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
2164
2165         PR target/38811
2166         * Makefile.in (ira-lives.o): Add except.h.
2167
2168         * ira-lives.c: Include except.h.
2169         (process_bb_node_lives): Process can_throw_internal.
2170
2171 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
2172
2173         PR rtl-optimization/38774
2174         * combine.c (simplify_set): When undoing cc_use change, don't do
2175         PUT_CODE on the newly created comparison, but instead put back the
2176         old comparison.
2177
2178 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
2179
2180         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2181         values.  Remove duplicate arm8 entry.
2182
2183 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2184
2185         PR tree-optimization/38786
2186         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2187         the SSA_NAME case of expand_scalar_variables_expr.
2188         Set the type of an expression to the type of its assign statement.
2189         (expand_scalar_variables_expr): Also gather the scalar computation
2190         used to index the memory access.  Do not pass loop_p.
2191         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2192         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2193         the gimple_stmt_iterator where it inserts new code.
2194         Do not pass loop_p.
2195         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2196         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2197
2198 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2199
2200         * graphite.h (debug_value): Removed.
2201         * graphite.c (debug_value): Removed.
2202
2203 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2204
2205         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2206         ldrd/strd with two 32-bit instructions.
2207
2208 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2209
2210         * config/arm/arm.c (struct processors): Pass for speed down into
2211         cost helper functions.
2212         (const_ok_for_op): Handle COMPARE and inequality nodes.
2213         (arm_rtx_costs_1): Rewrite.
2214         (arm_size_rtx_costs): Update prototype.
2215         (arm_rtx_costs): Pass speed down to helper functions.
2216         (arm_slowmul_rtx_costs): Rework cost calculations.
2217         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2218         (arm_9e_rtx_costs): Likewise.
2219
2220 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
2221
2222         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2223         relocations of local symbols wider than UNITS_PER_WORD are not valid.
2224         (alpha_legitimize_address): Do not split local symbols wider than
2225         UNITS_PER_WORD into HIGH/LO_SUM parts.
2226
2227 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
2228
2229         PR bootstrap/38580
2230         * gcc.c (process_command): Replace call to execvp with calls
2231         to pex_one and exit.
2232
2233 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
2234
2235         PR target/29141
2236         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2237         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2238         variant for devices with 3-byte PC.
2239         (__tablejump_elpm__) : New.
2240
2241 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2242
2243         PR c/32041
2244         * c-parser.c (c_parser_postfix_expression): Allow `->' in
2245         offsetof member-designator, handle it as `[0].'.
2246
2247 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2248
2249         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2250         function when not using named sections on targets with named sections
2251         if branch distance is less than 262132.
2252
2253 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
2254
2255         * combine.c (combine_instructions):  Recompute
2256         optimize_this_for_speed_p  for each BB in the main combine loop.
2257
2258 2009-01-12  Tomas Bily  <tbily@suse.cz>
2259
2260         PR middlend/38385
2261         * tree-loop-distribution.c (prop_phis): New function.
2262         (generate_builtin): Call prop_phis.
2263         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2264
2265 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2266
2267         PR tree-optimization/38807
2268         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2269         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2270
2271 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
2272
2273         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2274         subreg of op0 to the original op0.
2275
2276 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
2277
2278         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2279         
2280 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
2281
2282         PR debug/7055
2283         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2284         starting with digits.
2285
2286 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
2287
2288         PR target/38695
2289         * config/arm/arm.c (arm_is_long_call_p): Don't call
2290         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2291
2292 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
2293
2294         * regrename.c (regrename_optimize): Fix dumping.
2295         (find_oldest_value_reg): Preserve REG_POINTER.
2296         (copy_hardreg_forward_1): Likewise.
2297
2298 2009-01-09  Diego Novillo  <dnovillo@google.com>
2299
2300         * gimple.h (struct gimple_statement_base) <uid>: Document
2301         the restrictions on its use.
2302         (gimple_uid): Tidy.
2303         (gimple_set_uid): Tidy.
2304
2305 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2306
2307         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2308         zero guard even if align_bytes != 0 and count is smaller than
2309         size_needed.
2310
2311 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
2312
2313         PR rtl-optimization/38495
2314         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2315         (add_range_and_copies_from_move_list): Print all added ranges.
2316         Add ranges to memory optimized destination.
2317
2318 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2319
2320         PR target/38686
2321         PR target/38708
2322         * config/i386/i386.c (override_options): Reject
2323         -mstringop-strategy=rep_8byte with -m32.
2324         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2325         to 1.  Do count comparison against epilogue_size_needed at compile
2326         time even when count_exp was constant forced into register.  For
2327         size_needed don't jump to epilogue, instead just avoid aligning
2328         and invoke the body algorithm.  If need_zero_guard, add zero guard
2329         even if count is non-zero, but smaller than size_needed + number of
2330         bytes that could be stored for alignment.
2331         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2332         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
2333         but smaller than size_needed + number of bytes that could be stored
2334         for alignment.  Compare size_needed with epilogue_size_needed instead
2335         of desired_align - align, don't adjust size_needed, pass
2336         epilogue_size_needed to the epilogue expanders.
2337
2338         PR c/35742
2339         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2340
2341 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2342
2343         * pa.c (last_address): Change to unsigned.
2344         (update_total_code_bytes): Change argument to unsigned.  Don't
2345         check if insn addresses are set.
2346         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2347         addresses are not set.
2348         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2349
2350 2009-01-09  Nick Clifton  <nickc@redhat.com>
2351
2352         * config/sh/symbian.c: Replace uses of DECL_INLINE with
2353         DECL_DECLARED_INLINE_P.
2354
2355 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2356
2357         PR middle-end/38347
2358         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2359         GET_MODE (op0) in operand_subword_force calls.
2360
2361         PR middle-end/38771
2362         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2363         fold_convert arg0 operands to TREE_TYPE (op0) first.
2364
2365 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
2366
2367         * params.def (ira-max-conflict-table-size): Decrease default value
2368         to 1000.
2369
2370 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
2371
2372         PR tree-optimization/37031
2373         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2374         on parameter_set.
2375         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2376         allocate it using gc instead of heap, use VEC_quick_push instead of
2377         VEC_safe_push.
2378         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2379         instead of heap, use VEC_quick_push instead of VEC_safe_push.
2380         * tree-data-ref.h (struct access_matrix): Change matrix to gc
2381         allocated vector from heap allocated.
2382         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2383         * tree-loop-linear.c (linear_transform_loops): Allocate nest
2384         vector only after perfect_loop_nest_depth call.
2385
2386 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2387             Jan Sjodin  <jan.sjodin@amd.com>
2388
2389         PR tree-optimization/38559
2390         * graphite.c (debug_value, copy_constraint,
2391         swap_constraint_variables, scale_constraint_variable, ): New.
2392         (get_lower_bound, get_upper_bound): Removed.
2393         (graphite_trans_bb_strip_mine): Clean up this code that works
2394         only for constant number of iterations.  Fully copy upper and
2395         lower bound constraints, not only the constant part of them.
2396         * graphite.h (debug_value): Declared.
2397
2398 2009-01-08  Ira Rosen  <irar@il.ibm.com>
2399
2400         PR tree-optimization/37194
2401         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2402         Don't add the cost of cost model guard in prologue to scalar 
2403         outside cost in case of known number of iterations.
2404
2405 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
2406             Alan Modra  <amodra@bigpond.net.au>
2407
2408         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2409         non-word-aligned REG+CONST addressing.
2410
2411 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2412
2413         PR target/38706
2414         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2415         free_after_compilation when outputting a thunk.
2416         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2417         Do not call free_after_compilation here.
2418
2419 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2420
2421         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2422         (ix86_valid_target_attribute_inner_p): Ditto.
2423
2424 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
2425
2426         PR tree-optimization/38492
2427         PR tree-optimization/38498
2428         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2429         * tree-chrec.h (scev_is_linear_expression): Declared.
2430         * graphite.c (graphite_cannot_represent_loop_niter): New.
2431         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2432         (graphite_loop_normal_form): Use gcc_assert.
2433         (scan_tree_for_params): Use CASE_CONVERT.
2434         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2435         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2436         Use gcc_assert.  Discard scops that contain unhandled cases.
2437         (build_scop_conditions): Return a boolean status for unhandled cases.
2438         (strip_mine_profitable_p): Print the loop number, not its depth.
2439         (is_interchange_valid): Pass the depth of the loop nest, don't
2440         recompute it wrongly.
2441         (graphite_trans_bb_block): Same.
2442         (graphite_trans_bb_block): Print tentative of loop blocking.
2443         (graphite_trans_scop_block): Do not print that the loop has been
2444         blocked.
2445         (graphite_transform_loops): Do not handle scops that contain condition
2446         scalar phi nodes.
2447
2448 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2449
2450         AVX Programming Reference (December, 2008)
2451         * config/i386/avxintrin.h (_mm256_stream_si256): New.
2452         (_mm256_stream_pd): Likewise.
2453         (_mm256_stream_ps): Likewise.
2454
2455         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2456         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2457         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2458         (bdesc_special_args): Add __builtin_ia32_movntdq256,
2459         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2460         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2461         (ix86_expand_special_args_builtin): Likewise.
2462
2463         * config/i386/sse.md (AVXMODEDI): New.
2464         (avx_movnt<mode>): Likewise.
2465         (avx_movnt<mode>): Likewise.
2466         (<sse>_movnt<mode>): Remove AVX support.
2467         (sse2_movntv2di): Likewise.
2468
2469 2009-01-07  Richard Guenther  <rguenther@suse.de>
2470
2471         PR middle-end/38751
2472         * fold-const.c (extract_muldiv): Remove obsolete comment.
2473         (fold_plusminus_mult_expr): Undo MINUS_EXPR
2474         to PLUS_EXPR canonicalization for the canonicalization.
2475
2476 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
2477
2478         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2479         hosted cross-compilers generating less efficient code.
2480
2481 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2482
2483         * function.h (rtl_data): Add a dbr_scheduled_p field.
2484         * reorg.c (dbr_schedule): Set it.
2485         (gate_handle_delay_slots): Check it.
2486         * config/mips/mips.c (mips_base_delayed_branch): Delete.
2487         (mips_reorg): Check flag_delayed_branch instead of
2488         mips_base_delayed_branch.
2489         (mips_override_options): Don't set mips_base_delayed_branch
2490         or flag_delayed_branch.
2491
2492 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2493
2494         PR rtl-optimization/38426.
2495         * ira.c (ira): Set current_function_is_leaf earlier.
2496
2497 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
2498
2499         PR rtl-optimization/38722
2500         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2501         too early, only set a flag and modify after last possible
2502         undo_all point.
2503
2504 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
2505
2506         PR c/34252
2507         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2508         * real.c (decimal_single_format): Correct values of emin and emax.
2509         (decimal_double_format): Ditto.
2510         (decimal_quad_format): Ditto.
2511         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2512         computation of DECnn_MIN and DECnn_MAX for corrected values of
2513         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
2514         __DECnn_MIN__, and adjust its computation for the corrected value
2515         of emin.
2516
2517 2009-01-06  Jan Hubicka  <jh@suse.cz>
2518
2519         PR target/38744
2520         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2521
2522 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
2523
2524         * doc/contrib.texi (Contributors): Slightly adjust the end note.
2525         Add Robert Clark to the list of testers.
2526
2527 2009-01-06  Jan Hubicka  <jh@suse.cz>
2528             Kai Tietz  <kai.tietz@onevision.com>
2529
2530         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2531         * config/i386/i386.c (ix86_expand_call): Add clobbers.
2532
2533 2009-01-06  Jan Hubicka  <jh@suse.cz>
2534             Kai Tietz  <kai.tietz@onevision.com>
2535
2536         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2537         for w64 ABI.
2538         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2539         (ix86_nsaved_regs): Count only general purpose regs.
2540         (ix86_nsaved_sseregs): New.
2541         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2542         to 16 for w64; compute padding and size of sse reg save area.
2543         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2544         general purpose regs.
2545         (ix86_emit_save_sse_regs_using_mov): New.
2546         (ix86_expand_prologue): Save SSE regs if needed.
2547         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2548         (ix86_emit_restore_sse_regs_using_mov): New.
2549         (ix86_expand_epilogue): Save SSE regs if needed.
2550
2551 2009-01-06  Jan Hubicka  <jh@suse.cz>
2552             Kai Tietz  <kai.tietz@onevision.com>
2553
2554         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2555         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2556         functions when accumulate outgoing args is off.
2557
2558 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
2559
2560         PR bootstrap/38742
2561         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2562         before using pseudos_have_intersected_live_ranges_p.
2563
2564         * ira-int.h (ira_assert): Always define.
2565
2566 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
2567
2568         AVX Programming Reference (December, 2008)
2569         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2570         (_mm256_permute2_pd): Likewise.
2571         (_mm_permute2_ps): Likewise.
2572         (_mm256_permute2_ps): Likewise.
2573         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2574         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2575
2576         * config/i386/i386.c (ix86_builtins): Remove
2577         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2578         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2579         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2580         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2581         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2582         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2583         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2584         __builtin_ia32_vpermil2ps256.
2585         (ix86_init_mmx_sse_builtins): Updated.
2586         (ix86_expand_args_builtin): Likewise.
2587
2588 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2589
2590         * pa.c (output_call): Relocate non-jump insns in the delay slot of
2591         long absolute calls when generating PA 2.0 code.
2592
2593 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
2594
2595         PR rtl-optimization/38583
2596         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2597
2598         * params.def (ira-max-conflict-table-size): New.
2599
2600         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2601         
2602         * ira.h (ira_conflicts_p): New external definition.
2603         
2604         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2605         table.  Report this.  Return result of building.
2606         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
2607         building conflict table.
2608
2609         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2610         (ira_color): Use ira_conflicts_p.
2611         
2612         * global.c: Include ira.h.
2613         (pseudo_for_reload_consideration_p, build_insn_chain): Use
2614         ira_conflicts_p.
2615
2616         * Makefile.in (global.o): Add ira.h.
2617         
2618         * ira-build.c (mark_all_loops_for_removal,
2619         propagate_some_info_from_allocno): New.
2620         (remove_unnecessary_allocnos): Call
2621         propagate_some_info_from_allocno.
2622         (remove_low_level_allocnos): New.
2623         (remove_unnecessary_regions): Add parameter.  Call
2624         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
2625         parameter to remove_unnecessary_regions.
2626         (ira_build): Remove all regions but root if the conflict table was
2627         not built.  Update conflict hard regs for allocnos crossing calls.
2628
2629         * ira.c (ira_conflicts_p): New global.
2630         (ira): Define and use ira_conflicts_p.
2631
2632         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2633         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2634         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2635         
2636 2009-01-06  Ben Elliston  <bje@au.ibm.com>
2637
2638         * gengtype-lex.l (YY_NO_INPUT): Define.
2639
2640 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2641
2642         PR c/34911
2643         * c-common.c (handle_vector_size_attribute): Also reject
2644         BOOLEAN_TYPE types.
2645
2646 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
2647
2648         PR tree-optimization/38492
2649         * graphite.c (rename_map_elt, debug_rename_elt,
2650         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2651         rename_map_elt_info, eq_rename_map_elts,
2652         get_new_name_from_old_name, bb_in_sese_p): Moved around.
2653         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2654         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2655         (sese_build_livein_liveouts): New.
2656         (new_sese, free_sese): New.
2657         (new_scop): Call new_sese.
2658         (free_scop): Call free_sese.
2659         (rename_variables_from_edge, rename_phis_end_scop): Removed.
2660         (register_old_new_names): Renamed register_old_and_new_names.
2661         (register_scop_liveout_renames, add_loop_exit_phis,
2662         insert_loop_close_phis, struct igp,
2663         default_liveout_before_guard, add_guard_exit_phis,
2664         insert_guard_phis, copy_renames): New.
2665         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2666         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2667         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2668         (scop_adjust_phis_for_liveouts): New.
2669         (gloog): Call scop_adjust_phis_for_liveouts.
2670
2671         * graphite.h (struct sese): Documented.  Added fields liveout,
2672         num_ver and livein.
2673         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2674         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2675         (struct scop): Added field liveout_renames.
2676         (SCOP_LIVEOUT_RENAMES): New.
2677
2678 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2679
2680         PR tree-optimization/38510
2681         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2682         (translate_clast): Call recompute_all_dominators before
2683         graphite_verify.
2684         (gloog): Call recompute_all_dominators before graphite_verify.
2685
2686 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2687             Jan Sjodin  <jan.sjodin@amd.com>
2688
2689         PR tree-optimization/38500
2690         * graphite.c (create_sese_edges): Call fix_loop_structure after
2691         splitting blocks.
2692
2693 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
2694
2695         * config.gcc: Add m32r*-*-rtems*.
2696         * config/m32r/rtems.h: New file.
2697
2698 2009-01-05  Ben Elliston  <bje@au.ibm.com>
2699
2700         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2701         (.po.pox): Likewise.
2702         (po/gcc.pot): Likewise.
2703
2704 2009-01-04  David S. Miller  <davem@davemloft.net>
2705
2706         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2707         (STARTING_FRAME_OFFSET): Always set to zero.
2708
2709 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
2710
2711         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2712         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2713         fixed-point types, and vectors of the same.
2714
2715 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
2716
2717         * config/mips/sync.md (*mb_barrier): Rename to...
2718         (*memory_barrier): ...this.
2719
2720 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
2721
2722         * doc/extend.texi (Function Attributes): Move @cindex after @item
2723         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2724         and put in alphabetical order. Fix 'target' name and put in order.
2725         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2726         typos.
2727
2728 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
2729
2730         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2731         (memory_barrier): Expand as unspec instead of unspec_volatile.
2732         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2733         (*memory_barrier): Define as unspec instead of unspec_volatile.
2734         Use (match_dup 0) as input operand.
2735
2736         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2737         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2738         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
2739         scratch register.  Remove operand 1.
2740         (*stbar): Define as unspec instead of unspec_volatile.
2741         Use (match_dup 0) as input operand, remove (const_int 8).
2742         (*membar): Define as unspec instead of unspec_volatile.
2743         Use (match_dup 0) as input operand, remove input operand 2.
2744
2745         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2746         (memory_barrier): Expand as unspec instead of unspec_volatile.
2747         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2748         (*memory_barrier): Define as unspec instead of unspec_volatile.
2749         Use (match_dup 0) as input operand.
2750
2751         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2752         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2753         Set volatile flag on operand 0.
2754         (*memory_barrier): New insn pattern.
2755
2756         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2757         insn operands.
2758         (*memory_barrier): Use (match_dup 0) as input operand.
2759
2760         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2761         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2762         Set volatile flag on operand 0.
2763         (*mb_internal): New insn pattern.
2764
2765         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2766
2767 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
2768
2769         PR middle-end/38586
2770         * function.c (struct temp_slot): Move to the section of the file
2771         that deals with temp slots.  Remove field 'address'.
2772         (temp_slot_address_table): New hash table of address -> temp slot.
2773         (struct temp_slot_address_entry): New struct, items for the table.
2774         (temp_slot_address_compute_hash, temp_slot_address_hash,
2775         temp_slot_address_eq, insert_temp_slot_address): Support functions
2776         for the new table.
2777         (find_temp_slot_from_address): Rewrite to use the new hash table.
2778         (remove_unused_temp_slot_addresses): Remove addresses of temp
2779         slots that have been made available.
2780         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2781         worker function for remove_unused_temp_slot_addresses.
2782         (assign_stack_temp_for_type): Don't clear the temp slot address list.
2783         Add the temp slot address to the address -> temp slot map.
2784         (update_temp_slot_address): Update via insert_temp_slot_address.
2785         (free_temp_slots): Call remove_unused_temp_slot_addresses.
2786         (pop_temp_slots): Likewise.
2787         (init_temp_slots): Allocate the address -> temp slot map, or empty
2788         the map if it is already allocated.
2789         (prepare_function_start): Initialize temp slot processing.
2790
2791 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
2792
2793         PR middle-end/38584
2794         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2795         Calculate the size of all stack vars assuming no packing of stack
2796         vars will happen, replacing a quadratic algorithm with a linear one.
2797
2798 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
2799
2800         PR target/38707
2801         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2802         can't be used.
2803
2804 2009-01-03  Diego Novillo  <dnovillo@google.com>
2805
2806         * doc/contrib.texi: Update contributions.
2807
2808 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
2809
2810         PR c++/38705
2811         * builtins.c (fold_builtin_memory_op): Give up if either operand
2812         is volatile.  Set srctype or desttype to non-qualified version
2813         of the other type.
2814
2815         PR c/38700
2816         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2817         and FUNCTION_DECLs.
2818
2819 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
2820
2821         PR rtl-optimization/35805
2822         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2823         problem if fast dce is able to remove any instructions.
2824         * dce.c (dce_process_block): Fix dump message.
2825         
2826 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
2827
2828         PR 33649
2829         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2830
2831 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
2832
2833         PR middle-end/38690
2834         * tree-flow.h (op_code_prio, op_prio): New prototypes.
2835         * tree-pretty-print.c (op_code_prio): New function.
2836         (op_prio): No longer static.  Use op_code_prio.
2837         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2838         Use op_prio and op_code_prio to determine if () should be
2839         printed around operand(s) or not.
2840
2841         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2842         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2843         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2844         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2845         pp_character instead of pp_string for single letter printing.
2846
2847 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2848
2849         * doc/extend.texi: Fix '#pragma GCC option' typo.
2850
2851 2009-01-02  Richard Guenther  <rguenther@suse.de>
2852
2853         * doc/install.texi (--enable-checking): Mention different
2854         default for stage1.
2855         (--enable-stage1-checking): Document.
2856
2857 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
2858
2859         PR middle-end/30142
2860         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
2861         case to be an error.
2862
2863 2009-01-02  Ben Elliston  <bje@au.ibm.com>
2864
2865         * config/fp-bit.h (pack_d): Constify argument.
2866         * config/fp-bit.c (makenan): Constify return type. Remove casts.
2867         (isnan): Constify argument.
2868         (isinf): Likewise.
2869         (iszero): Likewise.
2870         (pack_d): Likewise.
2871         (_fpadd_parts): Constify return type.
2872         (_fpmul_parts): Likewise.
2873         (_fpdiv_parts): Likewise.
2874
2875 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
2876
2877         PR c/36489
2878         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
2879         warn about overwriting initializer with side-effects or
2880         -Woverride-init if !IMPLICIT.
2881         (output_init_element): Likewise.  Pass IMPLICIT down to
2882         add_pending_init.
2883         (process_init_element): Add IMPLICIT argument.  Pass it down
2884         to output_init_element.
2885         (push_init_element, pop_init_level, set_designator): Adjust
2886         process_init_element callers.
2887         (set_nonincremental_init, set_nonincremental_init_from_string):
2888         Adjust add_pending_init callers.
2889         (output_pending_init_elements): Adjust output_init_element callers.
2890         * c-tree.h (process_init_element): Adjust prototype.
2891         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2892         process_init_element callers.