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PR tree-optimization/39455
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
2
3         PR tree-optimization/39455
4         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
5         mismatches for POINTER_TYPE_P (type).
6         (number_of_iterations_le): Likewise.
7
8 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
9
10         * config/picochip/picochip.c: Removed profiling support.
11         * config/picochip/picochip.md: Removed profiling instruction.
12         * config/picochip/picochip.h: Removed profiling builtin.
13
14 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
15
16         * doc/install.texi (--with-host-libstdcxx): Document.
17
18 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
19
20         PR target/34299
21         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
22         generate a warning if the function name does not begin with
23         "__vector" and the function has either the 'signal' or 'interrupt'
24         attribute, from here to ...
25         (avr_declare_function_name): ...here. New function.
26         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
27         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
28
29 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
30
31         PR bootstrap/39454
32         * cse.c (fold_rtx): Don't modify original const_arg1 when
33         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
34         separate variable instead.
35         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
36         from out of range shift counts.
37         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
38
39 2008-03-13  Catherine Moore  <clm@codesourcery.com>
40
41         *  gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
42         diagnostic.h with $(DIAGNOSTIC_H).
43
44 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
45
46         PR target/39431
47         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
48         predicate.
49         * config/i386/sync.md (sync_compare_and_swap<mode>,
50         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
51         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
52         into a register.
53         (sync_double_compare_and_swapdi_pic,
54         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
55         cmpxchg8b_pic_memory_operand instead of just memory_operand.
56
57 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
58
59         PR target/39445
60         * config/i386/i386.c (ix86_expand_push): Don't set memory
61         alignment.
62
63 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
64
65         PR target/39327
66         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
67         (avx_addsubv4df3): Likewise.
68         (*avx_addsubv4sf3): Likewise.
69         (sse3_addsubv4sf3): Likewise.
70
71 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
72
73         PR target/38824
74         * config/i386/i386.md: Compare REGNO on the new peephole2
75         patterns.
76
77 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
78
79         PR debug/39432
80         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
81         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
82         registers for allocnos created from user-defined variables.
83
84 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
85
86         PR target/39181
87         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
88         of non-integer mode as well.
89
90 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
91
92         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
93         for functions for which the parameter types are unknown.
94
95 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
96
97         PR target/39137
98         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT
99         macro.
100         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
101         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
102         * config/i386/i386.c (ix86_local_alignment): For
103         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
104         long long variables on the stack to avoid dynamic realignment.
105         Allow the first argument to be a decl rather than type.
106         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
107
108 2009-03-11  Nick Clifton  <nickc@redhat.com>
109
110         PR target/5362
111         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
112         options.
113         Add description to mno-lsim option.
114         * config/mcore/mcore.h: Remove comment about deprecated m4align
115         option.
116         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
117         * doc/invoke.texi: Add description of mno-lsim and
118         mstack-increment options.
119
120         * config/fr30/fr30.opt: Document the -mno-lsim option.
121         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
122         and -mno-lsim options.
123
124 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
125
126         * fold-const.c (fold_comparison): Only call fold_inf_compare
127         if the mode supports infinities.
128
129 2009-03-11  Jason Merrill  <jason@redhat.com>
130
131         PR debug/39086
132         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
133         end already did.  Notice GIMPLE_CALL modifications of the result.
134         Don't copy debug information from an ignored decl or a decl from
135         another function.
136
137 2009-03-10  Richard Guenther  <rguenther@suse.de>
138             Nathan Froyd  <froydnj@codesourcery.com>
139
140         PR middle-end/37850
141         * libgcc2.c (__mulMODE3): Use explicit assignments to form the
142         result.
143         (__divMODE3): Likewise.
144
145 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
146
147         PR tree-optimization/39394
148         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
149         DECL_SIZE_UNIT of variable length FIELD_DECLs.
150
151 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
152
153         * recog.c (verfiy_changes): Disallow renaming of hard regs in
154         inline asms for register asm ("") declarations.
155
156 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
157
158         * fold-const.c (fold_unary): Fix comment.
159
160 2009-03-07  Jan Hubicka  <jh@suse.cz>
161
162         PR target/39361
163         * tree-inline.c (setup_one_parameter): Do replacement of const argument
164         by constant in SSA form.
165
166 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
167
168         PR middle-end/38028
169         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
170         determine alignment passed to assign_stack_local.
171         (assign_parms_unsplit_complex): Likewise.
172         * except.c (sjlj_build_landing_pads): Likewise.
173
174 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
175
176         PR middle-end/39360
177         * tree-flow.h (add_referenced_var): Return bool instead of void.
178         * tree-dfa.c (add_referenced_var): Return result of
179         referenced_var_check_and_insert call.
180         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
181         of referenced_var_check_and_insert.
182
183         PR debug/39372
184         * dwarf2out.c (add_abstract_origin_attribute): Return
185         origin_die.
186         (gen_variable_die): Emit DW_AT_location on abstract static variable's
187         DIE, don't emit it if abstract origin already has it.
188         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
189         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
190
191 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
192
193         * genpreds.c: (needs_variable): Fix parentheses at variable name
194         detection.
195         (write_tm_constrs_h): Indent generated code.
196
197 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
198
199         * doc/extend.texi (Function Attributes): Add documentation
200         for isr attributes.
201
202 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
203
204         PR debug/39387
205         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
206         take locus from its DECL_SOURCE_LOCATION instead of input_location.
207
208 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
209
210         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
211         the loop as bad.
212
213 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
214
215         PR debug/39379
216         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
217         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
218
219 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
220
221         * config/i386/i386.md (R8_REG, R9_REG): New constants.
222         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
223         constants instead of magic numbers.
224         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
225         (QI_REG_P): Ditto.
226         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
227         (x86_64_ms_abi_int_parameter_registers): Ditto.
228         (x86_64_int_return_registers): Ditto.
229         (ix86_maybe_switch_abi): Ditto.
230         (ix86_expand_call): Ditto for clobbered_registers array.
231         (ix86_hard_regno_mode_ok): Ditto.
232         (x86_extended_QIreg_mentioned_p): Ditto.
233
234 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
235
236         PR tree-optimization/39349
237         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
238
239         * combine.c (gen_lowpart_for_combine): Use omode when generating
240         clobber.
241
242 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
243
244         PR rtl-optimization/39235
245         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
246
247 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
248
249         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
250
251 2009-03-04  Richard Guenther  <rguenther@suse.de>
252
253         PR tree-optimization/39362
254         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
255         that occur in abnormal PHIs should be varying.
256
257 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
258
259         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
260         Extend comments.
261         (simple_iv):  Take loop as an argument instead of statement.
262         * tree-scalar-evolution.h (simple_iv): Declaration changed.
263         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
264         to simple_iv.
265         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
266         Ditto.
267         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
268         * matrix-reorg.c (analyze_transpose): Ditto.
269         * tree-data-ref.c (dr_analyze_innermost): Ditto.
270         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
271         * tree-predcom.c (ref_at_iteration): Ditto.
272         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
273
274 2009-03-04  Richard Guenther  <rguenther@suse.de>
275
276         PR tree-optimization/39358
277         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
278         escaped_id and callused_id.
279         (solve_graph): Likewise.
280
281 2009-03-04  Richard Guenther  <rguenther@suse.de>
282
283         PR tree-optimization/39339
284         * tree-sra.c (try_instantiate_multiple_fields): Make it
285         no longer ICE on the above.
286
287 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
288
289         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
290         that fits within Pmode.
291
292 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
293
294         PR middle-end/10109
295         * tm.texi (LIBCALL_VALUE): Update description.
296
297 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
298
299         PR middle-end/34443
300         * doc/extend.texi (section): Update description.
301
302 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
303
304         PR middle-end/39345
305         * tree-inline.c (remapped_type): New.
306         (can_be_nonlocal): Call remapped_type instead of remap_type.
307
308 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
309
310         PR fortran/39354
311         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
312         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
313
314 2009-03-03  Richard Guenther  <rguenther@suse.de>
315
316         PR middle-end/39272
317         * tree.c (tree_nonartificial_location): New function.
318         * tree.h (tree_nonartificial_location): Declare.
319         * builtins.c (expand_builtin_memory_chk): Provide location
320         of the call location for artificial function pieces.
321         (maybe_emit_chk_warning): Likewise.
322         (maybe_emit_sprintf_chk_warning): Likewise.
323         (maybe_emit_free_warning): Likewise.
324         * expr.c (expand_expr_real_1): Likewise.
325
326 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
327
328         PR tree-optimization/39343
329         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
330         COMPONENT_REF t has ARRAY_TYPE.
331
332 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
333
334         PR middle-end/39335
335         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
336         when the type precision of the induction variable should be
337         larger than the type precision of nit.
338         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
339         * graphite.c (graphite_loop_normal_form): Same.
340         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
341
342 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
343
344         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
345         (*call_1_rex64_ms_sysv): Use named constants instead of magic
346         numbers to describe clobbered registers.
347         (*call_value_0_rex64_ms_sysv): Ditto.
348         * config/i386/mmx.md (mmx_emms): Ditto.
349         (mmx_femms): Ditto.
350
351 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
352
353         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
354         of ABI_64.
355
356 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
357
358         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
359         (spu_section_type_flags): New function.
360
361 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
362
363         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
364         reg_class_contents of FLOAT_REGS into a temporary.
365
366 2009-03-02  Richard Guenther  <rguenther@suse.de>
367             Ira Rosen  <irar@il.ibm.com>
368
369         PR tree-optimization/39318
370         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
371         information to the vectorized statement.
372
373 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
374
375         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
376         variable.  Use defined names instead of magic constants for REX SSE
377         registers.
378
379 2009-03-01  Richard Guenther  <rguenther@suse.de>
380
381         PR tree-optimization/39331
382         * omp-low.c (lower_send_shared_vars): Do not receive new
383         values for the reference of DECL_BY_REFERENCE parms or results.
384
385 2009-03-01  Jan Hubicka  <jh@suse.cz>
386
387         PR debug/39267
388         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
389         BLOCK_NONLOCALIZED_VAR): New macros.
390         (tree_block): Add nonlocalized_vars.
391         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
392         gen_decl_die): Add origin argument.  Allow generation of die with
393         origin at hand only.
394         (gen_member_die, gen_type_die_with_usage, force_decl_die,
395         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
396         of gen_*.
397         (gen_block_die): Fix checking for unused blocks.
398         (process_scope_var): Break out from .... ; work with origins only.
399         (decls_for_scope) ... here; process nonlocalized list.
400         (dwarf2out_ignore_block): Look for nonlocalized vars.
401         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
402         vars.
403         (dump_scope_block): Dump them.
404         * tree-inline.c (remap_decls): Handle nonlocalized vars.
405         (remap_block): Likewise.
406         (can_be_nonlocal): New predicate.
407         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
408
409 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
410
411         * configure: Regenerate.
412
413 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
414
415         * optc-gen.awk: No need to duplicate option flags twice.
416         Reuse help texts for duplicate options which do not have
417         any.
418
419         * gcc.c (display_help): Document --version.
420
421         * gcc.c (main): If print_help_list and verbose_flag, ensure
422         driver output comes before subprocess output.
423
424         * optc-gen.awk: Assign all remaining fields to help string,
425         space-separated, for multi-line help in *.opt.
426
427         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
428         -Wno-pedantic-ms-format is for MinGW targets only.
429
430         * doc/options.texi (Option file format): Fix bad indentation,
431         restoring dropped sentence.
432
433 2009-02-28  Jan Hubicka  <jh@suse.cz>
434
435         * tree-inline.c (tree_function_versioning): Output debug info.
436
437 2009-02-28  Jan Hubicka  <jh@suse.cz>
438
439         PR debug/39267
440         * tree-inline.c (setup_one_parameter): Do not copy propagate
441         arguments when not optimizing.
442
443 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
444
445         PR target/39327
446         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
447         (avx_addsubv4df3): Likewise.
448         (*avx_addsubv4sf3): Likewise.
449         (sse3_addsubv4sf3): Likewise.
450         (*avx_addsubv2df3): Likewise.
451         (sse3_addsubv2df3): Likewise.
452         (avx_unpckhps256): Correct item selectors.
453         (avx_unpcklps256): Likewise.
454         (avx_unpckhpd256): Likewise.
455         (avx_unpcklpd256): Likewise.
456
457 2009-02-28  Jan Hubicka  <jh@suse.cz>
458
459         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
460         static vars.
461         (copy_arguments_for_versioning): If var is declared don't declare it.
462         (tree_function_versioning): First setup substitutions and then copy
463         args.
464
465 2009-02-27  Jan Hubicka  <jh@suse.cz>
466
467         PR debug/39267
468         * cgraph.h (varpool_output_debug_info): Remove.
469         * cgraphunit.c (varpool_output_debug_info): Remove.
470         * dwarf2out.c (deferred_locations_struct): New struct
471         (deferred_locations): New type.
472         (deferred_locations_list): New static var.
473         (deffer_location): New function.
474         (gen_variable_die): Use it.
475         (decls_for_scope): Output info on local static vars.
476         (dwarf2out_finish): Process deferred locations.
477         * varpool.c (varpool_output_debug_info): Remove.
478
479 2009-02-27  Jan Hubicka  <jh@suse.cz>
480
481         PR debug/39267
482         * tree.h (TREE_PROTECTED): Fix comment.
483         (BLOCK_HANDLER_BLOCK): Remove.
484         (struct tree_block): Remove handler_block add body_block.
485         (inlined_function_outer_scope_p): New.
486         (is_body_block): Remove.
487         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
488         * dwarf2out.c (is_inlined_entry_point): Remove.
489         (add_high_low_attributes): Use inlined_function_outer_scope_p.
490         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
491         code.
492         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
493         * gimplify.c (gimplify_expr): Gimplify body blocks.
494         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
495         block with multiple subblocks.
496         (dump_scope_block): Prettier output; dump more flags and info.
497         (dump_scope_blocks): New.
498         (remove_unused_locals): Use dump_scope_blocks.
499         * tree-flow.h (dump_scope_blocks): Declare.
500         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
501         * stmt.c (is_body_block): Remove.
502         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
503         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
504
505 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
506
507         PR middle-end/39308
508         * graphite.c (graphite_loop_normal_form): Do not call 
509         number_of_iterations_exit from a gcc_assert.
510
511 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
512
513         * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
514         jumps if COND is NULL.
515         (find_cond_jump): New function.
516         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
517         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
518
519 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
520
521         * config/alpha/alpha.h (alpha_expand_mov): Return false if
522         force_const_mem returns NULL_RTX.
523
524 2009-02-26  Jan Hubicka  <jh@suse.cz>
525
526         PR debug/39267
527         * cgraph.h (varpool_output_debug_info): Remove.
528         * cgraphunit.c (varpool_output_debug_info): Remove.
529         * dwarf2out.c (deferred_locations_struct): New struct
530         (deferred_locations): New type.
531         (deferred_locations_list): New static var.
532         (deffer_location): New function.
533         (gen_variable_die): Use it.
534         (decls_for_scope): Output info on local static vars.
535         (dwarf2out_finish): Process deferred locations.
536         * varpool.c (varpool_output_debug_info): Remove.
537
538 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
539
540         PR rtl-optimization/39241
541         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
542         to subreg_offset_representable_p.
543
544 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
545
546         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
547         execute function prototype.  Get f and nregs from max_reg_num
548         and get_insns.  Remove the first backward pass as it's dead,
549         guard the forward pass by flag_expensive_optimizations.
550         (rest_of_handle_regmove): Delete.
551         (pass_regmove): Replace it with regmove_optimize.
552
553 2009-02-25  Martin Jambor  <mjambor@suse.cz>
554
555         PR tree-optimization/39259
556         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
557         calls_alloca function flags.
558         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
559         calls are detected.
560
561 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
562
563         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
564         flags_set_1_rtx, flags_set_1_set): Delete.
565         (regmove_optimize): Do not call mark_flags_life_zones.
566
567 2009-02-24  Julian Brown  <julian@codesourcery.com>
568
569         PR target/35965
570         * config/arm/arm.c (require_pic_register): Only set
571         cfun->machine->pic_reg once per function.
572
573 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
574
575         * doc/invoke.texi (Link Options): Document an easier way to pass
576         options that take arguments to the GNU linker using -Xlinker and -Wl.
577
578 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
579
580         PR target/33785
581         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
582
583 2009-02-24  Richard Guenther  <rguenther@suse.de>
584
585         PR debug/39285
586         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
587
588 2009-02-24  Richard Guenther  <rguenther@suse.de>
589             Zdenek Dvorak  <ook@ucw.cz>
590
591         PR tree-optimization/39233
592         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
593         from converting them to a generic type.
594
595 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
596
597         PR tree-optimization/39260
598         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
599         contains a condition with a real type.
600         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
601
602 2009-02-23  Jason Merrill  <jason@redhat.com>
603
604         PR c++/38880
605         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
606         narrowing_initializer_constant_valid_p.
607         (narrowing_initializer_constant_valid_p): Don't return 
608         null_pointer_node for adding a pointer to itself.
609
610 2009-02-23  Jan Hubicka  <jh@suse.cz>
611
612         PR c/12245
613         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
614         resizing.
615
616 2009-02-23  Jan Hubicka  <jh@suse.cz>
617
618         PR tree-optimization/37709
619         * tree.c (block_ultimate_origin): Move here from dwarf2out.
620         * tree.h (block_ultimate_origin): Declare.
621         * dwarf2out.c (block_ultimate_origin): Move to tree.c
622         * tree-ssa-live.c (remove_unused_scope_block_p):
623         Eliminate blocks containig no instructions nor live variables nor
624         nested blocks.
625         (dump_scope_block): New function.
626         (remove_unused_locals): Enable removal of dead blocks by default;
627         enable dumping at TDF_DETAILS.
628
629 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
630
631         * config/i386/i386.c (classify_argument): Don't allow COImode
632         and OImode.
633         (function_arg_advance_32): Don't allow OImode.
634         (function_arg_32): Likewise.
635         (function_value_32): Likewise.
636         (return_in_memory_32): Likewise.
637         (function_arg_64): Remove OImode comment.
638
639 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
640
641         PR target/39261
642         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
643         ix86_expand_vector_set for V4DImode in 64bit mode only.
644         (ix86_expand_vector_init_one_var): Likewise.
645
646 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
647
648         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
649
650 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
651
652         PR bootstrap/39257
653         * loop-iv.c: Revert last change.
654         * emit-rtl.c: Likewise.
655
656 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
657
658         PR target/39256
659         * config/i386/i386.c (type_natural_mode): Remove an extra
660         space in the warning message.
661         (function_value_32): Handle 32-byte vector modes.
662         (return_in_memory_32): Likewise.
663
664 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
665
666         * loop-iv.c (truncate_value): New function.
667         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
668         of lowpart_subreg.
669         (lowpart_subreg): Move to...
670         * emit-rtl.c: ...here.
671
672 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
673
674         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
675         accidental and undocumented change at revision 140860.
676
677 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
678
679         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
680         take gimple_seq * arguments.
681         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
682         types_compatible_p langhook.
683
684 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
685             Joseph Myers  <joseph@codesourcery.com>
686
687         * config/arm/arm.c (arm_builtin_va_list): New function.
688         (arm_expand_builtin_va_start): Likewise.
689         (arm_gimplify_va_arg_expr): Likewise.
690         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
691         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
692         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
693         (va_list_type): New variable.
694         (arm_mangle_type): Mangle va_list_type appropriately.
695
696 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
697
698         PR middle-end/39157
699         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
700         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
701         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
702         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
703         parameter to 1000 for -O1 by default.
704         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
705         parameter.
706         * loop-invariant.c: Include params.h.
707         (move_loop_invariants): Don't call move_single_loop_invariants on
708         very large loops.
709
710 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
711
712         * calls.c (emit_library_call_value_1): Use slot_offset instead of
713         offset when calculating bounds for indexing stack_usage_map.  Fixes
714         a buffer overflow with certain target setups.
715
716 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
717
718         PR target/39240
719         * calls.c (expand_call): Clear try_tail_call if caller and callee
720         disagree in promotion of function return value.
721
722 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
723
724         PR target/39175
725         * c-common.c (c_determine_visibility): If visibility changed and
726         DECL_RTL has been already set, call make_decl_rtl to update symbol
727         flags.
728
729 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
730
731         PR c++/39188
732         * varasm.c (assemble_variable): Don't check DECL_NAME when
733         globalizing a variable.
734
735 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
736
737         PR c/38483
738         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
739         expression before any __builtin_trap call.
740         * c-typeck.c (build_function_call): Convert and check function
741         arguments before generating a call to a trap.  Evaluate the
742         function arguments before the trap.
743
744 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
745
746         PR target/39228
747         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
748         (UNSPEC_FXAM_MEM): New unspec.
749         (fxam<mode>2_i387_with_temp): New insn and split pattern.
750         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
751         memory using fxam<mode>2_i387_with_temp to remove excess precision.
752
753 2009-02-19  Richard Guenther  <rguenther@suse.de>
754
755         PR tree-optimization/39207
756         PR tree-optimization/39074
757         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
758         storedanything_tree): New.
759         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
760         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
761         (build_succ_graph): Add edges from STOREDANYTHING to all
762         non-direct nodes.
763         (init_base_vars): Initialize STOREDANYTHING.
764         (compute_points_to_sets): Free substitution info after
765         building the succ graph.
766         (ipa_pta_execute): Likewise.
767
768         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
769         field.
770         (do_ds_constraint): Do not add to special var or non-pointer
771         field solutions.
772         (type_could_have_pointers): Split out from ...
773         (could_have_pointers): ... here.  For arrays use the element type.
774         (create_variable_info_for): Initialize may_have_pointers.
775         (new_var_info): Likewise.
776         (handle_lhs_call): Make the HEAP variable unknown-sized.
777         (intra_create_variable_infos): Use a type with pointers for
778         PARM_NOALIAS, make it unknown-sized.
779
780 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
781
782         PR target/39224
783         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
784
785 2009-02-18  Jason Merrill  <jason@redhat.com>
786
787         PR target/39179
788         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
789         value if DECL_EXTERNAL.
790         * tree-sra.c (sra_walk_gimple_assign): Likewise.
791         * target.h (gcc_target::binds_local_p): Clarify "module".
792         * tree.h (TREE_PUBLIC): Clarify "module".
793
794 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
795
796         PR target/38891
797         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
798         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
799
800 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
801
802         PR target/39082
803         * c.opt (Wabi): Support C and ObjC.
804         (Wpsabi): New.
805
806         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
807
808         * config/i386/i386.c (classify_argument): Warn once about the ABI
809         change when passing union with long double.
810
811         * doc/invoke.texi: Update -Wabi for warning psABI changes.
812
813 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
814
815         PR c/35447
816         * c-parser.c (c_parser_compound_statement): Always enter and leave
817         a scope.
818
819 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
820
821         PR target/34587
822         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
823
824 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
825
826         PR tree-optimization/36922
827         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
828         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
829         Likewise.
830
831 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
832
833         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
834         to 0 for EABI64.
835
836 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
837
838         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
839
840 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
841
842         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
843         tree sharing.
844
845 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
846             Richard Sandiford  <rdsandiford@googlemail.com>
847
848         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
849         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
850         (loongson_biadd): ...this.
851
852 2009-02-17  Richard Guenther  <rguenther@suse.de>
853
854         PR tree-optimization/39202
855         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
856         a var make sure to follow existing collapses.
857
858 2009-02-17  Richard Guenther  <rguenther@suse.de>
859
860         PR middle-end/39214
861         * langhooks.c (lhd_print_error_function): Check for NULL block.
862
863 2009-02-17  Richard Guenther  <rguenther@suse.de>
864
865         PR tree-optimization/39204
866         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
867         of the PHI arg.
868
869 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
870
871         * config/soft-fp/double.h: Update from glibc CVS.
872
873 2009-02-17  Richard Guenther  <rguenther@suse.de>
874
875         PR tree-optimization/39207
876         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
877         strict-aliasing warnings for pointers pointing to NULL.
878
879 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
880
881         PR c/35446
882         * c-parser.c (c_parser_braced_init): Call pop_init_level when
883         skipping until next close brace.
884
885 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
886
887         PR target/37049
888         * config/i386/i386.c (ix86_expand_push): Set memory alignment
889         to function argument boundary.
890
891 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
892
893         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
894         in the lea_add. Reload eventually constraints it properly.
895         * config/picochip/constraints.md : Remove the target constraint
896         "b", since it is not needed anymore.
897
898 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
899
900         * gthr-dce.h: Uglify function parameter and local variable names.
901         * gthr-gnat.h: Likewise.
902         * gthr-mipssde.h: Likewise.
903         * gthr-nks.h: Likewise.
904         * gthr-posix95.h: Likewise.
905         * gthr-posix.h: Likewise.
906         * gthr-rtems.h: Likewise.
907         * gthr-single.h: Likewise.
908         * gthr-solaris.h: Likewise.
909         * gthr-tpf.h: Likewise.
910         * gthr-vxworks.h: Likewise.
911         * gthr-win32.h: Likewise.
912
913 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
914
915         PR target/39196
916         * config/i386/i386.md: Restrict the new peephole2 to move
917         between MMX/SSE registers.
918
919 2009-02-15  Richard Guenther  <rguenther@suse.de>
920
921         Revert
922         2009-02-13  Richard Guenther  <rguenther@suse.de>
923
924         * configure.ac: Enable LFS.
925         * configure: Re-generate.
926         * config.in: Likewise.
927
928 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
929
930         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
931         spu_srqwbyte, spu_srqwbytebc): Define.
932         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
933         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
934         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
935         "shrqby_<mode>"): New insn-and-split patterns.
936         * config/spu/spu.c (expand_builtin_args): Determine and return
937         number of operands using spu_builtin_description data.
938         (spu_expand_builtin_1): Use it.
939
940 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
941
942         PR target/38056
943         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
944         TARGET_CONST_GP.
945
946 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
947
948         PR target/39149
949         * config/i386/i386.c (override_options): Correct warning
950         messages for -malign-loops, -malign-jumps and -malign-functions.
951
952 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
953
954         PR target/39152
955         * config/i386/i386.md: Restrict the new peephole2 to move
956         between the general purpose registers.
957
958 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
959
960         PR target/39162
961         * config/i386/i386.c (type_natural_mode): Add a new argument.
962         Return the original mode and warn ABI change if vector size is 32byte.
963         (function_arg_advance): Updated.
964         (function_arg): Likewise.
965         (ix86_function_value): Likewise.
966         (ix86_return_in_memory): Likewise.
967         (ix86_sol10_return_in_memory): Likewise.
968         (ix86_gimplify_va_arg): Likewise.
969         (function_arg_32): Don't warn ABX ABI change here.
970         (function_arg_64): Likewise.
971
972 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
973
974         * loop-iv.c (implies_p): In the final case, test that operands 0
975         of the two comparisons match.
976
977         * config/bfin/bfin.c (find_prev_insn_start): New function.
978         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
979         (find_next_insn_start): Move.
980
981 2009-02-13  Richard Guenther  <rguenther@suse.de>
982
983         * configure.ac: Enable LFS.
984         * configure: Re-generate.
985         * config.in: Likewise.
986
987 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
988
989         PR c/35444
990         * c-parser.c (c_parser_parms_list_declarator): Discard pending
991         sizes on syntax error after some arguments have been parsed.
992
993 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
994
995         * doc/invoke.texi (-fira): Remove.
996
997 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
998
999         * caller-save.c: Replace regclass.c with reginfo.c in comments.
1000         * recog.c: Likewise.
1001         * rtl.h: Likewise.
1002
1003 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
1004
1005         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1006         (umul_ppmm): Likewise.
1007         (count_leading_zeros): Likewise.
1008         (count_trailing_zeros): Likewise.
1009         (UMUL_TIME): Likewise.
1010
1011 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1012
1013         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1014         soft-fp/t-softfp to tmake_file.
1015
1016         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1017         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1018         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1019         IA64_BUILTIN_INFQ]: New.
1020         (ia64_init_builtins): Initialize __builtin_infq,
1021         __builtin_fabsq and __builtin_copysignq if not HPUX.
1022         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1023         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1024
1025         * config/ia64/lib1funcs.asm (__divtf3): Define only if
1026         SHARED is defined.
1027         (__fixtfti): Likewise.
1028         (__fixunstfti): Likewise.
1029         (__floattitf): Likewise.
1030
1031         * config/ia64/libgcc-glibc.ver: New.
1032         * config/ia64/t-fprules-softfp: Likewise.
1033         * config/ia64/sfp-machine.h: Likewise.
1034
1035         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1036         (LIBGCC2_TF_CEXT): Likewise.
1037         (TF_SIZE): Likewise.
1038         (TARGET_INIT_LIBFUNCS): Likewise.
1039
1040         * config/ia64/t-glibc (SHLINB_MAPFILES):
1041         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1042
1043 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1044
1045         * config/i386/i386.c (construct_container): Rewrite processing
1046         BLKmode with X86_64_SSE_CLASS.
1047
1048 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
1049
1050         PR target/39152
1051         * config/i386/i386.md: Replace simplify_replace_rtx with
1052         replace_rtx in the new peephole2.
1053
1054 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
1055
1056         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1057         loop unrolling do not happen at -O2.
1058
1059 2009-02-12  Michael Matz  <matz@suse.de>
1060
1061         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1062
1063 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1064
1065         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1066         for -g3.
1067
1068 2009-02-12  Ben Elliston  <bje@au.ibm.com>
1069
1070         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1071         patterns when updating the back chain.  Missed in the 2009-02-10
1072         change.
1073
1074 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
1075
1076         * doc/extend.texi (Decimal Floating Types): Update identifier of
1077         draft TR and list of missing support.
1078
1079 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
1080
1081         PR middle-end/39154
1082         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1083         bit to variable length decl's flags, add it also to its
1084         pointer replacement variable.
1085
1086 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
1087             Jakub Jelinek  <jakub@redhat.com>
1088
1089         PR target/39118
1090         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1091         (memory_blockage): New expander.
1092         (*memory_blockage): New insn pattern.
1093         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1094         instead of general blockage at the end of function prologue when
1095         frame pointer is used to access red zone area.  Do not emit blockage
1096         when profiling, it is emitted in generic code.
1097         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1098         function epilogue when frame pointer is used to access red zone area.
1099
1100 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
1101
1102         PR target/38824
1103         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1104         by arithmetic with memory operands.
1105         * config/i386/predicates.md (commutative_operator): New.
1106
1107 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
1108
1109         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1110         bulleted lists.
1111
1112 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1113
1114         * alias.h (record_alias_subset): Declare.
1115         * alias.c (record_alias_subset): Make global.
1116
1117 2009-02-10  Nick Clifton  <nickc@redhat.com>
1118
1119         * tree-parloops.c: Change license to GPLv3.
1120         * ipa-struct-reorg.c: Change license to GPLv3.
1121         * ipa-struct-reorg.h: Change license to GPLv3.
1122
1123 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
1124
1125         PR c/39084
1126         * c-decl.c (start_struct): Return NULL on error.
1127
1128 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
1129
1130         PR middle-end/39124
1131         * cfgloopmanip.c (remove_path): Call remove_bbs after
1132         cancel_loop_tree, not before it.
1133
1134         PR target/39139
1135         * function.h (struct function): Add has_local_explicit_reg_vars bit.
1136         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1137         VAR_DECLs were seen.
1138         * tree-ssa-live.c (remove_unused_locals): Recompute
1139         cfun->has_local_explicit_reg_vars.
1140         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1141         copies or clearings if cfun->has_local_explicit_reg_vars.
1142
1143 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
1144
1145         PR target/39118
1146         * config/i386/i386.c (expand_prologue): Emit blockage at the end
1147         of function prologue when frame pointer is used to access
1148         red zone area.
1149
1150 2009-02-10  Richard Guenther  <rguenther@suse.de>
1151
1152         PR middle-end/39127
1153         * gimplify.c (gimple_regimplify_operands): Always look if
1154         we need to create a temporary.
1155
1156 2009-02-10  Richard Guenther  <rguenther@suse.de>
1157
1158         PR tree-optimization/39132
1159         * tree-loop-distribution.c (todo): New global var.
1160         (generate_memset_zero): Trigger TODO_rebuild_alias.
1161         (tree_loop_distribution): Return todo.
1162
1163 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
1164
1165         PR target/39119
1166         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1167         (x86_64_reg_class_name): Removed.
1168         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
1169         first one isn't X86_64_SSE_CLASS or any other ones aren't
1170         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
1171         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1172         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
1173         and 3 X86_64_SSEUP_CLASS.
1174         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
1175         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1176
1177 2009-02-10  Ben Elliston  <bje@au.ibm.com>
1178
1179         * config/rs6000/rs6000.md (allocate_stack): Always use an update
1180         form instruction to update the stack back chain word, even if the
1181         user has disabled the generation of update instructions.
1182         (movdi_<mode>_update_stack): New.
1183         (movsi_update_stack): Likewise.
1184         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1185         always use an update form instruction to update the stack back
1186         chain word.
1187
1188 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
1189
1190         PR middle-end/38953
1191         * graphite.c (if_region_set_false_region): After moving a region in
1192         the false branch of a condition, remove the empty dummy basic block.
1193         (gloog): Remove wrong fix for PR38953.
1194
1195 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1196
1197         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1198         generation due to implicit sign extension.
1199
1200 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
1201
1202         PR middle-end/38981
1203         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1204         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1205
1206 2009-02-09  Richard Guenther  <rguenther@suse.de>
1207
1208         PR middle-end/35202
1209         * convert.c (convert_to_real): Disable (float)fn((double)x)
1210         to fnf(x) conversion if errno differences may occur and
1211         -fmath-errno is set.
1212
1213 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
1214
1215         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1216         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1217         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1218
1219 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1220
1221         PR c/35434
1222         * c-common.c (handle_alias_attribute): Disallow attribute for
1223         anything not a FUNCTION_DECL or VAR_DECL.
1224
1225 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
1226
1227         PR c/39035
1228         * real.c (do_compare): Special-case compare of zero against
1229         decimal float value.
1230
1231 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1232
1233         PR c/36432
1234         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1235         as indicating flexible array members unless the field itself is
1236         being declarared as the incomplete array.
1237
1238 2009-02-06  Jan Hubicka  <jh@suse.cz>
1239
1240         PR tree-optimization/38844
1241         * ipa-inline.c (try_inline): Stop inlining recursion when edge
1242         is already inlined.
1243
1244 2009-02-06  Richard Guenther  <rguenther@suse.de>
1245
1246         PR middle-end/38977
1247         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1248         fork because we may expand it as __gcov_fork.
1249
1250 2009-02-06  Nick Clifton  <nickc@redhat.com>
1251
1252         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1253
1254 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
1255
1256         PR tree-optimization/35659
1257         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1258         vn_phi_eq): Shortcut if hashcode does not match.
1259         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1260         NULL operands.
1261         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1262         and avoid iterative_hash_expr.
1263         (FOR_EACH_VALUE_ID_IN_SET): New.
1264         (value_id_compare): Remove.
1265         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1266         sort expressions by value id.
1267
1268 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
1269
1270         PR target/38991
1271         * config/sh/predicates.md (general_movsrc_operand): Don't check
1272         the subreg of system registers here.
1273
1274 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
1275
1276         PR c++/39106
1277         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1278         on the copied decl.
1279
1280 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
1281
1282         PR rtl-optimization/39110
1283         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1284         addresses, not aligned ones.
1285
1286 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
1287             Richard Guenther  <rguenther@suse.de>
1288
1289         PR tree-optimization/39100
1290         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1291         comment says and add edges.
1292
1293 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
1294
1295         PR c/35435
1296         * c-common.c (handle_tls_model_attribute): Ignore attribute for
1297         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1298
1299 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
1300
1301         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1302         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1303         register_bb_in_sese, new_sese, free_sese): Moved.
1304         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1305         outermost_loop_in_scop, build_scop_iteration_domain,
1306         expand_scalar_variables_ssa_name, get_vdef_before_scop,
1307         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1308         Use loop_in_sese_p instead of loop_in_scop_p.
1309         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1310         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1311         (scopdet_basic_block_info): Fix bug in scop detection.
1312         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1313         eq_loop_to_cloog_loop): Remove.
1314         (nb_loops_around_loop_in_scop, nb_loop
1315         ref_nb_loops): Moved here...
1316         * graphite.h (ref_nb_loops): ... from here.
1317         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1318         (loop_domain_dim, loop_iteration_vector_dim): Remove.
1319         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1320         * testsuite/gcc.dg/graphite/scop-19.c: New
1321
1322 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
1323             Hans-Peter Nilsson  <hp@axis.com>
1324
1325         PR rtl-optimization/37889
1326         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1327         Move offset handling from PLUS to before the switch.  Use new
1328         arguments when considering SYMBOL_REFs too.
1329         (rtx_addr_can_trap_p): Pass dummy offset and size.
1330         (enum may_trap_p_flags): Remove.
1331         (may_trap_p_1): Pass size from MEM_SIZE.
1332
1333         PR rtl-optimization/38921
1334         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1335         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1336         * rtlanal.c (may_trap_after_code_motion_p): Delete.
1337         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1338
1339 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
1340
1341         AVX Programming Reference (January, 2009)
1342         * config/i386/sse.md (*vpclmulqdq): New.
1343
1344 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
1345
1346         PR tree-optimization/38977
1347         PR gcov-profile/38292
1348         * calls.c (special_function_p): Disregard __builtin_ prefix.
1349
1350 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
1351
1352         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1353         non-indexable addresses even before reload.
1354
1355 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1356
1357         PR c/29129
1358         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1359         as having variable size.  Do not give an error for unnamed
1360         parameters with [*] declarators.  Give a warning for type names
1361         with [*] declarators and mark them as variable size.
1362         * c-parser.c (c_parser_sizeof_expression): Do not give an error
1363         for sizeof applied to [*] type names.
1364
1365 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1366
1367         PR C++/36607
1368         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1369
1370 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1371
1372         * gcc.c (process_command): Update copyright notice dates.
1373         * gcov.c (print_version): Likewise.
1374         * gcov-dump.c (print_version): Likewise.
1375         * mips-tfile.c (main): Likewise.
1376         * mips-tdump.c (main): Likewise.
1377
1378 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1379
1380         PR c/35433
1381         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1382         for composite type involving a zero-length array type.
1383
1384 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1385
1386         PR target/35318
1387         * function.c (match_asm_constraints_1): Skip over
1388         initial optional % in the constraint.
1389
1390         PR inline-asm/39059
1391         * c-parser.c (c_parser_postfix_expression): If fixed point is not
1392         supported, don't accept FIXED_CSTs.
1393         * c-decl.c (finish_declspecs): Error if fixed point is not supported
1394         and _Sat is used without _Fract/_Accum.  Set specs->type to
1395         integer_type_node for cts_fract/cts_accum if fixed point is not
1396         supported.
1397
1398 2009-02-02  Catherine Moore  <clm@codesourcery.com>
1399
1400         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1401
1402 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
1403
1404         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1405         (ABI_HAS_64BIT_SYMBOLS): Use it.
1406         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1407
1408 2009-02-02  Paul Brook  <paul@codesourcery.com>
1409
1410         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1411
1412 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
1413
1414         PR inline-asm/39058
1415         * recog.h (asm_operand_ok): Add constraints argument.
1416         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
1417         recurse on matching constraint.
1418         (check_asm_operands): Pass constraints as 3rd argument to
1419         asm_operand_ok.  Don't look up matching constraint here.
1420         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1421         to asm_operand_ok.
1422
1423 2009-02-02  Ben Elliston  <bje@au.ibm.com>
1424
1425         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1426         TARGET_NARROW_VOLATILE_BITFIELD macro names.
1427
1428 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1429
1430         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1431         information.  Remove some obsolete information.  Reorganize.
1432
1433         * config/pa/fptr.c: Revert license to GPL 2.
1434         * config/pa/milli64.S: Likewise.
1435
1436 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1437
1438         PR target/38904
1439         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
1440         LIBRARY name in, instead of hard-coding it.
1441         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
1442         extra target make frag to tmake_files according to EH model.
1443         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
1444         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
1445         frags that define makefile variable EH_MODEL appropriately.
1446         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
1447         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
1448         to "-sjlj" according to type of EH configured.
1449         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1450         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
1451         to "_sjlj" according to type of EH configured.
1452         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1453         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
1454         (SHLIB_LINK):  Add missing semicolon to if-else construct.
1455         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1456         string value of "pe_dll" command-line option.
1457         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
1458         (SHLIB_SONAME):  Use it when overriding t-cygming default.
1459         (SHLIB_IMPLIB):  Override t-cygming default.
1460         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1461         string value of "pe_dll" command-line option.
1462
1463 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1464
1465         PR target/38952
1466         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1467         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1468
1469 2009-01-31  Richard Guenther  <rguenther@suse.de>
1470
1471         PR tree-optimization/38937
1472         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1473         computing the transitive closure.
1474
1475 2009-01-30  Richard Guenther  <rguenther@suse.de>
1476
1477         PR tree-optimization/39041
1478         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1479         Propagate variable indices only if the types match for this stmt.
1480
1481 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
1482
1483         PR target/39013
1484         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1485         inline but never defined.
1486
1487 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
1488
1489         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1490         (*insv_h_di_reg_extimm): New insn.
1491         (*insv_l<mode>_reg_extimm): New insn.
1492
1493 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1494
1495         * config/picochip/picochip.c (flag_conserve_stack): set
1496         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1497         fconserve-stack. Reduce call-overhead used by inliner.
1498
1499 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1500
1501         PR/38157
1502         * common.opt (flag_conserve_stack): Initialised to zero.
1503
1504 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
1505
1506         PR/39002
1507         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1508         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1509         method.
1510
1511 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
1512
1513         * ira-color.c (allocno_reload_assign): Update comments.
1514         * regmove.c (regmove_optimize): Likewise.
1515
1516         * ra.h: Removed.
1517
1518 2009-01-29  Robert Millan  <rmh@aybabtu.com>
1519
1520         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1521         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
1522         `MD_UNWIND_SUPPORT'.
1523         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1524
1525 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
1526
1527         PR tree-optimization/39007
1528         * tree-loop-distribution.c (generate_builtin): Use
1529         recompute_dominator to compute the immediate dominator of the
1530         basic block just after the loop.
1531
1532 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1533
1534         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1535         (ASM_OUTPUT_DWARF_PCREL): Define.
1536
1537 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
1538
1539         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1540         * doc/passes.texi: Remove entries about regclass, local-alloc, and
1541         global.  Modify entries about regmove and IRA.
1542
1543         * ra-conflict.c: Remove the file.
1544
1545         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1546
1547         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1548         (pass_regclass_init): Rename to pass_reginfo_init.
1549
1550         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1551
1552         * toplev.h (flag_ira): Remove.
1553
1554         * caller-save.c (setup_save_areas): Remove flag_ira.
1555
1556         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1557
1558         * global.c: Remove the file.
1559
1560         * opts.c: (decode_options): Remove flag_ira.
1561
1562         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1563
1564         * regmove.c: Modify file description.
1565         (find_use_as_address, try_auto_increment): Define them only if
1566         AUTO_INC_DEC is defined.
1567         (replacement_quality, replace_in_call_usage, fixup_match_1,
1568         stable_and_no_regs_but_for_p): Remove.
1569         (reg_set_in_bb): Make it static.
1570         (regmove_optimize): Remove flag_ira and code which worked for
1571         !flag_ira.
1572
1573         * local-alloc.c: Remove the file.
1574
1575         * common.opt (fira): Remove.
1576
1577         * ira.c: Include except.h.
1578         (eliminable_regset): Move from global.c.
1579         (mark_elimination): Ditto.  Remove flag_ira.
1580         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1581         equiv_mem_modified, validate_equiv_mem_from_store,
1582         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1583         contains_replace_regs, memref_referenced_p, memref_used_between_p,
1584         no_equiv, recorded_label_ref): Move from local-alloc.c.
1585         (update_equiv_regs): Ditto.  Make it static.
1586         (print_insn_chain, print_insn_chains): Move it from global.c.
1587         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
1588         (build_insn_chain): Ditto.  Make it static.
1589         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
1590         Rename to init_live_subregs.
1591         (gate_ira): Remove flag_ira.
1592
1593         * regclass.c: Rename reginfo.c.  Change file description.
1594         (FORBIDDEN_INC_DEC_CLASSES): Remove.
1595         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1596         (init_reg_sets_1): Remove code for evaluation of
1597         reg_class_superclasses and losing_caller_save_reg_set.
1598         (init_regs): Remove init_reg_autoinc.
1599         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1600         ok_for_base_p_nonstrict): Remove.
1601         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
1602         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
1603         corresponding entries.
1604         (dump_regclass, record_operand_costs, scan_one_insn,
1605         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1606         record_address_regs, auto_inc_dec_reg_p): Remove.
1607         (gt-regclass.h): Rename to gt-reginfo.h.
1608
1609         * rtl.h (dump_global_regs, retry_global_alloc,
1610         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1611
1612         * Makefile.in (RA_H): Remove.
1613         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1614         Rename regclass.o to reginfo.o.
1615         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
1616         gt-reginfo.h.
1617         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1618         (GTFILES): Rename regclass.c to reginfo.c.
1619
1620         * passes.c (init_optimization_passes): Remove pass_local_alloc and
1621         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
1622
1623         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1624         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1625         Remove flag_ira.
1626         (finish_spills): Ditto.  Remove code for !flag_ira.
1627         
1628 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
1629
1630         PR middle-end/35854
1631         * doc/invoke.texi (rtl debug options): Complete rewrite.
1632         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1633         to auto_inc_dec".
1634         * mode-switching.c (pass_mode_switching): Rename pass from
1635         "mode-sw" to "mode_sw".
1636         * except.c (pass_convert_to_eh_ranges): Rename pass from
1637         "eh-ranges" to "eh_ranges".
1638         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1639         to "subreg1".
1640                 
1641         
1642 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
1643             Alexander Monakov  <amonakov@ispras.ru>
1644
1645         PR middle-end/38857
1646         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1647         register.
1648         (move_exprs_to_boundary): Change return type and pass through
1649         should_move from move_op.  Relax assert.  Update usage ...
1650         (schedule_expr_on_boundary): ... here.  Use should_move instead of
1651         cant_move.
1652         (move_op_orig_expr_found): Indicate that insn was disconnected from
1653         stream.
1654         (code_motion_process_successors): Do not call after_merge_succs
1655         callback if original expression was not found when traversing any of
1656         the branches.
1657         (code_motion_path_driver): Change return type.  Update prototype.
1658         (move_op): Update comment.  Add a new parameter (should_move).  Update
1659         prototype.  Set *should_move based on indication provided by
1660         move_op_orig_expr_found.
1661
1662 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
1663
1664         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1665         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1666         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1667         * config/rs6000/rs6000.c (rs6000_override_options): Default
1668         avoid-indexed-addresses on for Power6, off for everything else.
1669         (avoiding_indexed_address_p): New function.
1670         (rs6000_legitimize_address): Use it.
1671         (rs6000_legitimate_address): Likewise.
1672         * config/rs6000/rs6000.md (movXX_updateX): Likewise
1673
1674 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
1675
1676         PR tree-optimization/38997
1677         * tree-loop-distribution.c (generate_memset_zero): Use
1678         POINTER_PLUS_EXPR for a pointer addition.
1679
1680 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1681
1682         * config/s390/s390.md (bswap<mode>2): New pattern added.
1683
1684 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1685
1686         * config/s390/s390.md (*tls_load_31): Added type attribute.
1687
1688 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1689
1690         * config/s390/s390.md: Fix a few comments.
1691
1692 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1693
1694         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1695         (*tm<mode>_full): Fixed z10prop attribute.
1696         (*tst<mode>_extimm): Fixed z10prop attribute.
1697         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1698         (*tstqiCCT_cconly): Fixed z10prop attribute.
1699         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1700         (*movsi_larl): Fixed z10prop attribute.
1701         (*movsi_zarch): Fixed z10prop attribute.
1702         (*movsi_eas): Fixed z10prop attribute.
1703         (*movhi): Fixed z10prop attribute.
1704         (*movqi): Fixed z10prop attribute.
1705         (*movstrictqi): Fixed z10prop attribute.
1706         (*mov<mode>): Fixed z10prop attribute.
1707         (*movcc): Fixed z10prop attribute.
1708         (*sethighpartdi_64): Fixed z10prop attribute.
1709         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1710         (*negdi2_sign_cc): Fixed z10prop attribute.
1711         (*negdi2_sign): Fixed z10prop attribute.
1712         (*absdi2_sign_cc): Fixed z10prop attribute.
1713         (*absdi2_sign): Fixed z10prop attribute.
1714         (*negabsdi2_sign_cc): Fixed z10prop attribute.
1715         (*negabsdi2_sign): Fixed z10prop attribute.
1716         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1717         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1718         (doloop_si64): Fixed z10prop attribute.
1719         (doloop_si31): Fixed z10prop attribute.
1720         (doloop_long): Fixed z10prop attribute.
1721         (indirect_jump): Fixed z10prop attribute.
1722         (nop): Fixed z10prop attribute.
1723         (main_base_64): Fixed z10prop attribute.
1724         (reload_base_64): Fixed z10prop attribute.
1725
1726 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
1727
1728         PR rtl-optimization/38740
1729         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1730         if !optimize.
1731         * config/mips/mips.c (mips_reorg): Likewise.
1732
1733 2009-01-28  Richard Guenther  <rguenther@suse.de>
1734
1735         PR tree-optimization/38926
1736         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1737         with the correct value id to a value.
1738         (do_regular_insertion): Use the value number of edoubleprime
1739         for the value number of the expr.
1740
1741         Revert
1742         2008-08-21  Richard Guenther  <rguenther@suse.de>
1743
1744         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1745         a PHI ask VN if it is already available.
1746         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1747         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1748
1749 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
1750
1751         PR middle-end/38934
1752         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1753         set to varying whenever max has TREE_OVERFLOW set, similarly
1754         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1755
1756 2009-01-28  Richard Guenther  <rguenther@suse.de>
1757
1758         PR middle-end/38908
1759         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1760         uninitialized aggregate uses in call arguments.
1761
1762 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
1763
1764         PR tree-optimization/38984
1765         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1766         the nothing_id variable if -fno-delete-null-pointer-checks.
1767
1768 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
1769
1770         PR target/38988
1771         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1772         (set_got_offset_rex64): Ditto.
1773
1774 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1775
1776         PR target/38941
1777         * doc/extend.texi: Improve local variable with asm reg.
1778
1779 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
1780
1781         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1782         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1783         was not supplied then set warn_packed_bitfield_compat to the
1784         default value of 1.
1785         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1786         against 1.
1787
1788 2009-01-27  Richard Guenther  <rguenther@suse.de>
1789
1790         PR tree-optimization/38503
1791         * cfgexpand.c (expand_gimple_basic_block): Ignore
1792         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1793         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1794         variables that cannot have TBAA applied.
1795         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1796         statements.
1797
1798 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
1799
1800         PR middle-end/38969
1801         * calls.c (initialize_argument_information): Do not wrap complex
1802         arguments in SAVE_EXPR.
1803
1804 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
1805
1806         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1807         (INSTALL_LIBGCC): Revert typo commit.
1808
1809 2009-01-26  Richard Guenther  <rguenther@suse.de>
1810
1811         PR tree-optimization/38745
1812         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1813         from special handling.
1814
1815 2009-01-26  Richard Guenther  <rguenther@suse.de>
1816
1817         PR tree-optimization/38745
1818         * tree-ssa.c (execute_update_addresses_taken): Do not include
1819         variables that cannot possibly be a register in not_reg_needs.
1820         Do not clear TREE_ADDRESSABLE on vars that may not become
1821         registers.
1822         * tree-ssa.c (update_alias_info_1): Include those in the set
1823         of addressable vars.
1824
1825 2009-01-26  Richard Guenther  <rguenther@suse.de>
1826
1827         PR middle-end/38851
1828         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1829         * tree-ssa-dse.c: Include langhooks.h
1830         (execute_simple_dse): Remove stores with zero size.
1831
1832 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
1833
1834         PR c/38957
1835         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1836         as PLUS_EXPR.
1837
1838 2009-01-24  Julian Brown  <julian@codesourcery.com>
1839
1840         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1841         config/arm/linux-atomic.c.
1842         * config/arm/linux-atomic.c: New.
1843
1844 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
1845
1846         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1847         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1848         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1849
1850 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1851
1852         PR c/38938
1853         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1854         properly.
1855
1856 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
1857
1858         PR tree-optimization/38953
1859         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1860         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1861         (gloog): Split the exit of the scop when the scop exit is a loop exit.
1862         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1863         changed the CFG.
1864
1865 2009-01-24  Paul Brook  <paul@codesourcery.com>
1866
1867         * config/arm/neon.md (neon_type): Move to arm.md.
1868         (neon_mov<VSTRUCT>): Add neon_type attribute.
1869         * config/arm/arm.md (neon_type): Move to here.
1870         (conds): Add "unconditioal" and use as default for NEON insns.
1871
1872 2009-01-24  Ben Elliston  <bje@au.ibm.com>
1873
1874         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1875         void *' warning from -Wc++-compat.
1876         * Makefile.in (dominance.o-warn): Remove.
1877
1878 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
1879
1880         PR tree-optimization/38932
1881         * fold-const.c (fold_unary_ignore_overflow): New.
1882         * tree.h (fold_unary_ignore_overflow): Declare.
1883         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1884         * tree-ssa-sccvn.c (visit_reference_op_load,
1885         simplify_unary_expression): Likewise.
1886
1887 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
1888
1889         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1890         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
1891         regardless of their type.
1892         * c-common.c (handle_packed_attribute): Don't ignore packed on
1893         bitfields.
1894         * c.opt (Wpacked-bitfield-compat): New warning option.
1895         * stor-layout.c (place_field): Warn if offset of a field changed.
1896         * doc/extend.texi (packed): Mention the ABI change.
1897         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1898         (Warning Options): Add it to the list.
1899
1900 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1901
1902         * c-opts.c (c_common_post_options): Fix a typo in comments.
1903
1904 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
1905
1906         PR middle-end/38615
1907         * gimplify.c (gimplify_init_constructor): Fix promotion of const
1908         variables to static.
1909         * doc/invoke.texi (-fmerge-all-constants): Update description.
1910
1911 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
1912
1913         PR target/38931
1914         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1915         (*movdi_1_rex64): Use type "mmx" for alternative 5.
1916
1917 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
1918
1919         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1920         a word boundary.
1921         (LOCAL_ALIGNMENT): Similarly.
1922
1923 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
1924             Joseph Myers  <joseph@codesourcery.com>
1925
1926         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1927         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1928         * config/arm/arm-tune.md: Regenerate.
1929         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1930         -march=iwmmxt2.
1931
1932 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
1933
1934         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1935         version number to five.
1936
1937 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
1938
1939         PR c++/38930
1940         * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1941         * c-common.c (set_underlying_type): Likewise.
1942         (is_typedef_decl ): Likewise
1943         * tree.h: Likewise
1944         (set_underlying_type): Likewise.
1945         (is_typedef_type): Likewise.
1946
1947 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
1948
1949         PR middle-end/38587
1950         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1951         crossing setjmps.
1952
1953 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
1954
1955         PR bootstrap/37660
1956         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
1957         (LIBGCC_SPEC):  Don't define.
1958         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
1959
1960 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
1961
1962         PR rtl-optimization/38879
1963         * alias.c (base_alias_check): Unaligned access via AND address can
1964         alias all surrounding object types except those with sizes equal
1965         or wider than the size of unaligned access.
1966
1967 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
1968
1969         PR c++/26693
1970         * c-decl.c: (clone_underlying_type): Move this ...
1971         * c-common.c (set_underlying_type): ... here.
1972         Also, make sure the function properly sets TYPE_STUB_DECL() on
1973         the newly created typedef variant type.
1974         (is_typedef_decl ): New entry point.
1975         * tree.h: Added a new member member_types_needing_access_check to
1976         struct tree_decl_non_common.
1977         (set_underlying_type): New entry point.
1978         (is_typedef_type): Likewise.
1979
1980 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
1981
1982         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
1983         Check whether two instructions have memory references that
1984         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
1985         are helper functions for traversing.
1986         * alias.h (insn_alias_sets_confilict_p): New prototypes.
1987         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
1988         not to draw dependency edge for instructions with non-conflicting
1989         alias sets.
1990
1991 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
1992
1993         PR other/38758
1994         * longlong.h: Update copyright years.  Use soft-fp license notice.
1995         Sync __clz_tab declaration with glibc.
1996
1997 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
1998
1999         PR target/30687
2000         * doc/extend.texi (syscall_linkage): New.
2001         (version_id): Modify.
2002
2003 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2004             Richard Guenther  <rguenther@suse.de>
2005
2006         PR tree-optimization/38747
2007         PR tree-optimization/38748
2008         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2009         conversion if the base address is an indirect reference and the
2010         aliasing sets could cause issues.
2011
2012 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2013
2014         * common.opt (fgraphite, fgraphite-identity): Add comment for 
2015         explaining why these options are not documented.
2016
2017 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2018
2019         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2020         gimple_call_lhs is NULL.
2021
2022 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
2023
2024         PR target/38868
2025         * emit-rtl.c (adjust_address_1): Make sure memref is never
2026         overwritten.
2027
2028 2009-01-20  Ben Elliston  <bje@au.ibm.com>
2029
2030         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2031         const qualifier from arg parameter. Remove unnecessary cast to char *.
2032         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2033         const qualifier from arg 2.
2034
2035 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
2036
2037         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2038
2039 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2040
2041         PR c/38869
2042         * rtl.h (reinit_regs): New prototype.
2043         * regclass.c: Include ira.h.
2044         (reinit_regs): New.
2045         * Makefile.in (regclass.o): Add ira.h.
2046         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2047
2048 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
2049
2050         PR target/38736
2051         * c-common.c (handle_aligned_attribute): Use
2052         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2053         default alignment value.
2054
2055         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2056
2057         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2058         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2059
2060         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
2061         __BIGGEST_ALIGNMENT__.
2062
2063         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2064
2065 2009-01-18  Richard Guenther  <rguenther@suse.de>
2066
2067         PR tree-optimization/38819
2068         * tree-flow.h (operation_could_trap_helper_p): Declare.
2069         * tree-eh.c (operation_could_trap_helper_p): Export.
2070         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2071         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2072         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2073         are about to insert a possibly trapping instruction and fail
2074         in this case.
2075
2076 2009-01-18  Andreas Schwab  <schwab@suse.de>
2077
2078         * doc/install.texi (Configuration): Remove obsolete paragraph
2079         about use of --with-gnu-ld with --with-gnu-as.
2080
2081 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
2082
2083         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2084         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2085         Follow spelling conventions.
2086
2087 2009-01-18  Ben Elliston  <bje@au.ibm.com>
2088
2089         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2090         C++ warning about implicit conversion from void * to struct
2091         bitmap_head_def *.
2092         (bitmap_obstack_free): Likewise for bitmap_element *.
2093         * Makefile.in (bitmap.o-warn): Remove.
2094
2095 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
2096
2097         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
2098
2099 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
2100             Tobias Grosser  <tobi.grosser@amd.com>
2101
2102         * graphite.c (graphite_trans_scop_block): Do not block single
2103         nested loops.
2104
2105 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
2106
2107         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2108         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2109         test with assertion.
2110
2111 2009-01-16  Richard Guenther  <rguenther@suse.de>
2112
2113         PR tree-optimization/38835
2114         PR middle-end/36227
2115         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2116         and INT + PTR -> (INT)(PTR p+ INT) folding.
2117         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2118
2119 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
2120
2121         PR target/38554
2122         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2123         the subreg from a lowpart subreg if it is also casting the value.
2124
2125 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2126             Tobias Grosser  <tobi.grosser@amd.com>
2127
2128         * graphite.c (compare_prefix_loops): New.
2129         (build_scop_canonical_schedules): Rewritten.
2130         (graphite_transform_loops): Move build_scop_canonical_schedules
2131         after build_scop_iteration_domain.
2132
2133 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2134             Tobias Grosser  <tobi.grosser@amd.com>
2135
2136         * graphite.c (add_conditions_to_domain): Add the loops to 
2137         the dimension of the iteration domain.  Do copy the domain
2138         only when it exists.
2139         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2140         (add_conditions_to_constraints): New.
2141         (can_generate_code_stmt, can_generate_code): Removed.
2142         (gloog): Do not call can_generate_code.
2143         (graphite_transform_loops): Call add_conditions_to_constraints
2144         after building the iteration domain.
2145
2146 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
2147
2148         PR tree-optimization/38789
2149         * tree-ssa-threadedge.c
2150         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2151         __builtin_constant_p.
2152
2153 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
2154
2155         * dce.c (delete_unmarked_insns): Reversed the order that insns are
2156         examined before deleting them.
2157         
2158 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
2159
2160         * function.c (aggregate_value_p): Correctly extract the function
2161         type from CALL_EXPR_FN lookup.
2162
2163 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
2164
2165         * config/picochip/picochip.c (picochip_override_options): Revert
2166         CFI asm flag disable commited previously.
2167
2168 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2169             Tobias Grosser  <tobi.grosser@amd.com>
2170             Jan Sjodin  <jan.sjodin@amd.com>
2171
2172         * graphite.c (scan_tree_for_params): On substractions negate
2173         all the coefficients of the term.
2174         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2175         of more than two operands.
2176         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2177         (get_vdef_before_scop): Handle also the case of default definitions.
2178
2179 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2180
2181         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2182         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2183         Also use them when walking CALL_INSN_FUNCTION_USAGE.
2184
2185 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
2186             Joey Ye  <joey.ye@intel.com>
2187
2188         PR middle-end/37843
2189         * cfgexpand.c (expand_stack_alignment): Don't update stack
2190         boundary nor check incoming stack boundary here.
2191         (gimple_expand_cfg): Update stack boundary and check incoming
2192         stack boundary here.
2193
2194 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
2195
2196         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2197         
2198 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
2199
2200         PR rtl-optimization/38245
2201         * calls.c (expand_call): Add stack arguments to
2202         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2203         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2204         in regs and partially in memory or BLKmode arguments.
2205         (emit_library_call_value_1): Add stack arguments to
2206         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2207         ACCUMULATE_OUTGOING_ARGS).
2208         * dce.c: Include tm_p.h.
2209         (find_call_stack_args): New function.
2210         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
2211         argument.
2212         (mark_insn): Call find_call_stack_args for CALL_Ps.
2213         (prescan_insns_for_dce): Walk insns backwards in bb rather than
2214         forwards.  Allocate and free arg_stores bitmap if needed, pass it
2215         down to deletable_insn_p, don't mark stores set in arg_stores
2216         bitmap, clear the bitmap at the beginning of each bb.
2217         * Makefile.in (dce.o): Depend on $(TM_P_H).
2218
2219 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
2220
2221         PR target/22599
2222         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2223         to make sure the insn is a conditional test (bug 22599).  Reformat a
2224         few long lines.
2225
2226 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2227
2228         PR middle-end/38431
2229         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2230         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2231         (gloog): Do not call cleanup_tree_cfg.
2232         (graphite_transform_loops): Call cleanup_tree_cfg after all 
2233         scops have been code generated.
2234
2235 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
2236         * doc/gty.texi (Invoking the garbage collector): Added new node
2237         and section documenting ggc_collect.
2238
2239 2009-01-14  Richard Guenther  <rguenther@suse.de>
2240
2241         PR tree-optimization/38826
2242         PR middle-end/38477
2243         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2244         initialization notes only if we actually emitted a warning.
2245         (intra_create_variable_infos): Add constraints for a result decl
2246         that is passed by hidden reference.
2247         (build_pred_graph): Mark all related variables non-direct on
2248         address-taking.
2249
2250 2009-01-14  Nick Clifton  <nickc@redhat.com>
2251
2252         * ira-conflicts.c: Include addresses.h for the definition of
2253         base_reg_class.
2254         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2255         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2256
2257 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
2258
2259         PR target/38811
2260         * Makefile.in (ira-lives.o): Add except.h.
2261
2262         * ira-lives.c: Include except.h.
2263         (process_bb_node_lives): Process can_throw_internal.
2264
2265 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
2266
2267         PR rtl-optimization/38774
2268         * combine.c (simplify_set): When undoing cc_use change, don't do
2269         PUT_CODE on the newly created comparison, but instead put back the
2270         old comparison.
2271
2272 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
2273
2274         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2275         values.  Remove duplicate arm8 entry.
2276
2277 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2278
2279         PR tree-optimization/38786
2280         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2281         the SSA_NAME case of expand_scalar_variables_expr.
2282         Set the type of an expression to the type of its assign statement.
2283         (expand_scalar_variables_expr): Also gather the scalar computation
2284         used to index the memory access.  Do not pass loop_p.
2285         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2286         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2287         the gimple_stmt_iterator where it inserts new code.
2288         Do not pass loop_p.
2289         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2290         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2291
2292 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2293
2294         * graphite.h (debug_value): Removed.
2295         * graphite.c (debug_value): Removed.
2296
2297 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2298
2299         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2300         ldrd/strd with two 32-bit instructions.
2301
2302 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2303
2304         * config/arm/arm.c (struct processors): Pass for speed down into
2305         cost helper functions.
2306         (const_ok_for_op): Handle COMPARE and inequality nodes.
2307         (arm_rtx_costs_1): Rewrite.
2308         (arm_size_rtx_costs): Update prototype.
2309         (arm_rtx_costs): Pass speed down to helper functions.
2310         (arm_slowmul_rtx_costs): Rework cost calculations.
2311         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2312         (arm_9e_rtx_costs): Likewise.
2313
2314 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
2315
2316         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2317         relocations of local symbols wider than UNITS_PER_WORD are not valid.
2318         (alpha_legitimize_address): Do not split local symbols wider than
2319         UNITS_PER_WORD into HIGH/LO_SUM parts.
2320
2321 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
2322
2323         PR bootstrap/38580
2324         * gcc.c (process_command): Replace call to execvp with calls
2325         to pex_one and exit.
2326
2327 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
2328
2329         PR target/29141
2330         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2331         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2332         variant for devices with 3-byte PC.
2333         (__tablejump_elpm__) : New.
2334
2335 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2336
2337         PR c/32041
2338         * c-parser.c (c_parser_postfix_expression): Allow `->' in
2339         offsetof member-designator, handle it as `[0].'.
2340
2341 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2342
2343         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2344         function when not using named sections on targets with named sections
2345         if branch distance is less than 262132.
2346
2347 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
2348
2349         * combine.c (combine_instructions):  Recompute
2350         optimize_this_for_speed_p  for each BB in the main combine loop.
2351
2352 2009-01-12  Tomas Bily  <tbily@suse.cz>
2353
2354         PR middlend/38385
2355         * tree-loop-distribution.c (prop_phis): New function.
2356         (generate_builtin): Call prop_phis.
2357         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2358
2359 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2360
2361         PR tree-optimization/38807
2362         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2363         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2364
2365 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
2366
2367         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2368         subreg of op0 to the original op0.
2369
2370 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
2371
2372         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2373         
2374 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
2375
2376         PR debug/7055
2377         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2378         starting with digits.
2379
2380 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
2381
2382         PR target/38695
2383         * config/arm/arm.c (arm_is_long_call_p): Don't call
2384         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2385
2386 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
2387
2388         * regrename.c (regrename_optimize): Fix dumping.
2389         (find_oldest_value_reg): Preserve REG_POINTER.
2390         (copy_hardreg_forward_1): Likewise.
2391
2392 2009-01-09  Diego Novillo  <dnovillo@google.com>
2393
2394         * gimple.h (struct gimple_statement_base) <uid>: Document
2395         the restrictions on its use.
2396         (gimple_uid): Tidy.
2397         (gimple_set_uid): Tidy.
2398
2399 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2400
2401         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2402         zero guard even if align_bytes != 0 and count is smaller than
2403         size_needed.
2404
2405 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
2406
2407         PR rtl-optimization/38495
2408         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2409         (add_range_and_copies_from_move_list): Print all added ranges.
2410         Add ranges to memory optimized destination.
2411
2412 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2413
2414         PR target/38686
2415         PR target/38708
2416         * config/i386/i386.c (override_options): Reject
2417         -mstringop-strategy=rep_8byte with -m32.
2418         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2419         to 1.  Do count comparison against epilogue_size_needed at compile
2420         time even when count_exp was constant forced into register.  For
2421         size_needed don't jump to epilogue, instead just avoid aligning
2422         and invoke the body algorithm.  If need_zero_guard, add zero guard
2423         even if count is non-zero, but smaller than size_needed + number of
2424         bytes that could be stored for alignment.
2425         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2426         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
2427         but smaller than size_needed + number of bytes that could be stored
2428         for alignment.  Compare size_needed with epilogue_size_needed instead
2429         of desired_align - align, don't adjust size_needed, pass
2430         epilogue_size_needed to the epilogue expanders.
2431
2432         PR c/35742
2433         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2434
2435 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2436
2437         * pa.c (last_address): Change to unsigned.
2438         (update_total_code_bytes): Change argument to unsigned.  Don't
2439         check if insn addresses are set.
2440         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2441         addresses are not set.
2442         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2443
2444 2009-01-09  Nick Clifton  <nickc@redhat.com>
2445
2446         * config/sh/symbian.c: Replace uses of DECL_INLINE with
2447         DECL_DECLARED_INLINE_P.
2448
2449 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2450
2451         PR middle-end/38347
2452         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2453         GET_MODE (op0) in operand_subword_force calls.
2454
2455         PR middle-end/38771
2456         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2457         fold_convert arg0 operands to TREE_TYPE (op0) first.
2458
2459 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
2460
2461         * params.def (ira-max-conflict-table-size): Decrease default value
2462         to 1000.
2463
2464 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
2465
2466         PR tree-optimization/37031
2467         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2468         on parameter_set.
2469         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2470         allocate it using gc instead of heap, use VEC_quick_push instead of
2471         VEC_safe_push.
2472         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2473         instead of heap, use VEC_quick_push instead of VEC_safe_push.
2474         * tree-data-ref.h (struct access_matrix): Change matrix to gc
2475         allocated vector from heap allocated.
2476         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2477         * tree-loop-linear.c (linear_transform_loops): Allocate nest
2478         vector only after perfect_loop_nest_depth call.
2479
2480 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2481             Jan Sjodin  <jan.sjodin@amd.com>
2482
2483         PR tree-optimization/38559
2484         * graphite.c (debug_value, copy_constraint,
2485         swap_constraint_variables, scale_constraint_variable, ): New.
2486         (get_lower_bound, get_upper_bound): Removed.
2487         (graphite_trans_bb_strip_mine): Clean up this code that works
2488         only for constant number of iterations.  Fully copy upper and
2489         lower bound constraints, not only the constant part of them.
2490         * graphite.h (debug_value): Declared.
2491
2492 2009-01-08  Ira Rosen  <irar@il.ibm.com>
2493
2494         PR tree-optimization/37194
2495         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2496         Don't add the cost of cost model guard in prologue to scalar 
2497         outside cost in case of known number of iterations.
2498
2499 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
2500             Alan Modra  <amodra@bigpond.net.au>
2501
2502         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2503         non-word-aligned REG+CONST addressing.
2504
2505 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2506
2507         PR target/38706
2508         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2509         free_after_compilation when outputting a thunk.
2510         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2511         Do not call free_after_compilation here.
2512
2513 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2514
2515         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2516         (ix86_valid_target_attribute_inner_p): Ditto.
2517
2518 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
2519
2520         PR tree-optimization/38492
2521         PR tree-optimization/38498
2522         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2523         * tree-chrec.h (scev_is_linear_expression): Declared.
2524         * graphite.c (graphite_cannot_represent_loop_niter): New.
2525         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2526         (graphite_loop_normal_form): Use gcc_assert.
2527         (scan_tree_for_params): Use CASE_CONVERT.
2528         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2529         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2530         Use gcc_assert.  Discard scops that contain unhandled cases.
2531         (build_scop_conditions): Return a boolean status for unhandled cases.
2532         (strip_mine_profitable_p): Print the loop number, not its depth.
2533         (is_interchange_valid): Pass the depth of the loop nest, don't
2534         recompute it wrongly.
2535         (graphite_trans_bb_block): Same.
2536         (graphite_trans_bb_block): Print tentative of loop blocking.
2537         (graphite_trans_scop_block): Do not print that the loop has been
2538         blocked.
2539         (graphite_transform_loops): Do not handle scops that contain condition
2540         scalar phi nodes.
2541
2542 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2543
2544         AVX Programming Reference (December, 2008)
2545         * config/i386/avxintrin.h (_mm256_stream_si256): New.
2546         (_mm256_stream_pd): Likewise.
2547         (_mm256_stream_ps): Likewise.
2548
2549         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2550         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2551         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2552         (bdesc_special_args): Add __builtin_ia32_movntdq256,
2553         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2554         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2555         (ix86_expand_special_args_builtin): Likewise.
2556
2557         * config/i386/sse.md (AVXMODEDI): New.
2558         (avx_movnt<mode>): Likewise.
2559         (avx_movnt<mode>): Likewise.
2560         (<sse>_movnt<mode>): Remove AVX support.
2561         (sse2_movntv2di): Likewise.
2562
2563 2009-01-07  Richard Guenther  <rguenther@suse.de>
2564
2565         PR middle-end/38751
2566         * fold-const.c (extract_muldiv): Remove obsolete comment.
2567         (fold_plusminus_mult_expr): Undo MINUS_EXPR
2568         to PLUS_EXPR canonicalization for the canonicalization.
2569
2570 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
2571
2572         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2573         hosted cross-compilers generating less efficient code.
2574
2575 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2576
2577         * function.h (rtl_data): Add a dbr_scheduled_p field.
2578         * reorg.c (dbr_schedule): Set it.
2579         (gate_handle_delay_slots): Check it.
2580         * config/mips/mips.c (mips_base_delayed_branch): Delete.
2581         (mips_reorg): Check flag_delayed_branch instead of
2582         mips_base_delayed_branch.
2583         (mips_override_options): Don't set mips_base_delayed_branch
2584         or flag_delayed_branch.
2585
2586 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2587
2588         PR rtl-optimization/38426.
2589         * ira.c (ira): Set current_function_is_leaf earlier.
2590
2591 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
2592
2593         PR rtl-optimization/38722
2594         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2595         too early, only set a flag and modify after last possible
2596         undo_all point.
2597
2598 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
2599
2600         PR c/34252
2601         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2602         * real.c (decimal_single_format): Correct values of emin and emax.
2603         (decimal_double_format): Ditto.
2604         (decimal_quad_format): Ditto.
2605         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2606         computation of DECnn_MIN and DECnn_MAX for corrected values of
2607         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
2608         __DECnn_MIN__, and adjust its computation for the corrected value
2609         of emin.
2610
2611 2009-01-06  Jan Hubicka  <jh@suse.cz>
2612
2613         PR target/38744
2614         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2615
2616 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
2617
2618         * doc/contrib.texi (Contributors): Slightly adjust the end note.
2619         Add Robert Clark to the list of testers.
2620
2621 2009-01-06  Jan Hubicka  <jh@suse.cz>
2622             Kai Tietz  <kai.tietz@onevision.com>
2623
2624         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2625         * config/i386/i386.c (ix86_expand_call): Add clobbers.
2626
2627 2009-01-06  Jan Hubicka  <jh@suse.cz>
2628             Kai Tietz  <kai.tietz@onevision.com>
2629
2630         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2631         for w64 ABI.
2632         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2633         (ix86_nsaved_regs): Count only general purpose regs.
2634         (ix86_nsaved_sseregs): New.
2635         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2636         to 16 for w64; compute padding and size of sse reg save area.
2637         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2638         general purpose regs.
2639         (ix86_emit_save_sse_regs_using_mov): New.
2640         (ix86_expand_prologue): Save SSE regs if needed.
2641         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2642         (ix86_emit_restore_sse_regs_using_mov): New.
2643         (ix86_expand_epilogue): Save SSE regs if needed.
2644
2645 2009-01-06  Jan Hubicka  <jh@suse.cz>
2646             Kai Tietz  <kai.tietz@onevision.com>
2647
2648         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2649         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2650         functions when accumulate outgoing args is off.
2651
2652 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
2653
2654         PR bootstrap/38742
2655         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2656         before using pseudos_have_intersected_live_ranges_p.
2657
2658         * ira-int.h (ira_assert): Always define.
2659
2660 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
2661
2662         AVX Programming Reference (December, 2008)
2663         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2664         (_mm256_permute2_pd): Likewise.
2665         (_mm_permute2_ps): Likewise.
2666         (_mm256_permute2_ps): Likewise.
2667         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2668         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2669
2670         * config/i386/i386.c (ix86_builtins): Remove
2671         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2672         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2673         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2674         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2675         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2676         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2677         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2678         __builtin_ia32_vpermil2ps256.
2679         (ix86_init_mmx_sse_builtins): Updated.
2680         (ix86_expand_args_builtin): Likewise.
2681
2682 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2683
2684         * pa.c (output_call): Relocate non-jump insns in the delay slot of
2685         long absolute calls when generating PA 2.0 code.
2686
2687 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
2688
2689         PR rtl-optimization/38583
2690         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2691
2692         * params.def (ira-max-conflict-table-size): New.
2693
2694         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2695         
2696         * ira.h (ira_conflicts_p): New external definition.
2697         
2698         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2699         table.  Report this.  Return result of building.
2700         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
2701         building conflict table.
2702
2703         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2704         (ira_color): Use ira_conflicts_p.
2705         
2706         * global.c: Include ira.h.
2707         (pseudo_for_reload_consideration_p, build_insn_chain): Use
2708         ira_conflicts_p.
2709
2710         * Makefile.in (global.o): Add ira.h.
2711         
2712         * ira-build.c (mark_all_loops_for_removal,
2713         propagate_some_info_from_allocno): New.
2714         (remove_unnecessary_allocnos): Call
2715         propagate_some_info_from_allocno.
2716         (remove_low_level_allocnos): New.
2717         (remove_unnecessary_regions): Add parameter.  Call
2718         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
2719         parameter to remove_unnecessary_regions.
2720         (ira_build): Remove all regions but root if the conflict table was
2721         not built.  Update conflict hard regs for allocnos crossing calls.
2722
2723         * ira.c (ira_conflicts_p): New global.
2724         (ira): Define and use ira_conflicts_p.
2725
2726         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2727         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2728         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2729         
2730 2009-01-06  Ben Elliston  <bje@au.ibm.com>
2731
2732         * gengtype-lex.l (YY_NO_INPUT): Define.
2733
2734 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2735
2736         PR c/34911
2737         * c-common.c (handle_vector_size_attribute): Also reject
2738         BOOLEAN_TYPE types.
2739
2740 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
2741
2742         PR tree-optimization/38492
2743         * graphite.c (rename_map_elt, debug_rename_elt,
2744         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2745         rename_map_elt_info, eq_rename_map_elts,
2746         get_new_name_from_old_name, bb_in_sese_p): Moved around.
2747         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2748         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2749         (sese_build_livein_liveouts): New.
2750         (new_sese, free_sese): New.
2751         (new_scop): Call new_sese.
2752         (free_scop): Call free_sese.
2753         (rename_variables_from_edge, rename_phis_end_scop): Removed.
2754         (register_old_new_names): Renamed register_old_and_new_names.
2755         (register_scop_liveout_renames, add_loop_exit_phis,
2756         insert_loop_close_phis, struct igp,
2757         default_liveout_before_guard, add_guard_exit_phis,
2758         insert_guard_phis, copy_renames): New.
2759         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2760         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2761         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2762         (scop_adjust_phis_for_liveouts): New.
2763         (gloog): Call scop_adjust_phis_for_liveouts.
2764
2765         * graphite.h (struct sese): Documented.  Added fields liveout,
2766         num_ver and livein.
2767         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2768         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2769         (struct scop): Added field liveout_renames.
2770         (SCOP_LIVEOUT_RENAMES): New.
2771
2772 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2773
2774         PR tree-optimization/38510
2775         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2776         (translate_clast): Call recompute_all_dominators before
2777         graphite_verify.
2778         (gloog): Call recompute_all_dominators before graphite_verify.
2779
2780 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2781             Jan Sjodin  <jan.sjodin@amd.com>
2782
2783         PR tree-optimization/38500
2784         * graphite.c (create_sese_edges): Call fix_loop_structure after
2785         splitting blocks.
2786
2787 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
2788
2789         * config.gcc: Add m32r*-*-rtems*.
2790         * config/m32r/rtems.h: New file.
2791
2792 2009-01-05  Ben Elliston  <bje@au.ibm.com>
2793
2794         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2795         (.po.pox): Likewise.
2796         (po/gcc.pot): Likewise.
2797
2798 2009-01-04  David S. Miller  <davem@davemloft.net>
2799
2800         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2801         (STARTING_FRAME_OFFSET): Always set to zero.
2802
2803 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
2804
2805         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2806         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2807         fixed-point types, and vectors of the same.
2808
2809 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
2810
2811         * config/mips/sync.md (*mb_barrier): Rename to...
2812         (*memory_barrier): ...this.
2813
2814 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
2815
2816         * doc/extend.texi (Function Attributes): Move @cindex after @item
2817         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2818         and put in alphabetical order. Fix 'target' name and put in order.
2819         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2820         typos.
2821
2822 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
2823
2824         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2825         (memory_barrier): Expand as unspec instead of unspec_volatile.
2826         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2827         (*memory_barrier): Define as unspec instead of unspec_volatile.
2828         Use (match_dup 0) as input operand.
2829
2830         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2831         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2832         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
2833         scratch register.  Remove operand 1.
2834         (*stbar): Define as unspec instead of unspec_volatile.
2835         Use (match_dup 0) as input operand, remove (const_int 8).
2836         (*membar): Define as unspec instead of unspec_volatile.
2837         Use (match_dup 0) as input operand, remove input operand 2.
2838
2839         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2840         (memory_barrier): Expand as unspec instead of unspec_volatile.
2841         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2842         (*memory_barrier): Define as unspec instead of unspec_volatile.
2843         Use (match_dup 0) as input operand.
2844
2845         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2846         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2847         Set volatile flag on operand 0.
2848         (*memory_barrier): New insn pattern.
2849
2850         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2851         insn operands.
2852         (*memory_barrier): Use (match_dup 0) as input operand.
2853
2854         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2855         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2856         Set volatile flag on operand 0.
2857         (*mb_internal): New insn pattern.
2858
2859         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2860
2861 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
2862
2863         PR middle-end/38586
2864         * function.c (struct temp_slot): Move to the section of the file
2865         that deals with temp slots.  Remove field 'address'.
2866         (temp_slot_address_table): New hash table of address -> temp slot.
2867         (struct temp_slot_address_entry): New struct, items for the table.
2868         (temp_slot_address_compute_hash, temp_slot_address_hash,
2869         temp_slot_address_eq, insert_temp_slot_address): Support functions
2870         for the new table.
2871         (find_temp_slot_from_address): Rewrite to use the new hash table.
2872         (remove_unused_temp_slot_addresses): Remove addresses of temp
2873         slots that have been made available.
2874         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2875         worker function for remove_unused_temp_slot_addresses.
2876         (assign_stack_temp_for_type): Don't clear the temp slot address list.
2877         Add the temp slot address to the address -> temp slot map.
2878         (update_temp_slot_address): Update via insert_temp_slot_address.
2879         (free_temp_slots): Call remove_unused_temp_slot_addresses.
2880         (pop_temp_slots): Likewise.
2881         (init_temp_slots): Allocate the address -> temp slot map, or empty
2882         the map if it is already allocated.
2883         (prepare_function_start): Initialize temp slot processing.
2884
2885 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
2886
2887         PR middle-end/38584
2888         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2889         Calculate the size of all stack vars assuming no packing of stack
2890         vars will happen, replacing a quadratic algorithm with a linear one.
2891
2892 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
2893
2894         PR target/38707
2895         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2896         can't be used.
2897
2898 2009-01-03  Diego Novillo  <dnovillo@google.com>
2899
2900         * doc/contrib.texi: Update contributions.
2901
2902 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
2903
2904         PR c++/38705
2905         * builtins.c (fold_builtin_memory_op): Give up if either operand
2906         is volatile.  Set srctype or desttype to non-qualified version
2907         of the other type.
2908
2909         PR c/38700
2910         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2911         and FUNCTION_DECLs.
2912
2913 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
2914
2915         PR rtl-optimization/35805
2916         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2917         problem if fast dce is able to remove any instructions.
2918         * dce.c (dce_process_block): Fix dump message.
2919         
2920 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
2921
2922         PR 33649
2923         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2924
2925 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
2926
2927         PR middle-end/38690
2928         * tree-flow.h (op_code_prio, op_prio): New prototypes.
2929         * tree-pretty-print.c (op_code_prio): New function.
2930         (op_prio): No longer static.  Use op_code_prio.
2931         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2932         Use op_prio and op_code_prio to determine if () should be
2933         printed around operand(s) or not.
2934
2935         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2936         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2937         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2938         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2939         pp_character instead of pp_string for single letter printing.
2940
2941 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2942
2943         * doc/extend.texi: Fix '#pragma GCC option' typo.
2944
2945 2009-01-02  Richard Guenther  <rguenther@suse.de>
2946
2947         * doc/install.texi (--enable-checking): Mention different
2948         default for stage1.
2949         (--enable-stage1-checking): Document.
2950
2951 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
2952
2953         PR middle-end/30142
2954         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
2955         case to be an error.
2956
2957 2009-01-02  Ben Elliston  <bje@au.ibm.com>
2958
2959         * config/fp-bit.h (pack_d): Constify argument.
2960         * config/fp-bit.c (makenan): Constify return type. Remove casts.
2961         (isnan): Constify argument.
2962         (isinf): Likewise.
2963         (iszero): Likewise.
2964         (pack_d): Likewise.
2965         (_fpadd_parts): Constify return type.
2966         (_fpmul_parts): Likewise.
2967         (_fpdiv_parts): Likewise.
2968
2969 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
2970
2971         PR c/36489
2972         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
2973         warn about overwriting initializer with side-effects or
2974         -Woverride-init if !IMPLICIT.
2975         (output_init_element): Likewise.  Pass IMPLICIT down to
2976         add_pending_init.
2977         (process_init_element): Add IMPLICIT argument.  Pass it down
2978         to output_init_element.
2979         (push_init_element, pop_init_level, set_designator): Adjust
2980         process_init_element callers.
2981         (set_nonincremental_init, set_nonincremental_init_from_string):
2982         Adjust add_pending_init callers.
2983         (output_pending_init_elements): Adjust output_init_element callers.
2984         * c-tree.h (process_init_element): Adjust prototype.
2985         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
2986         process_init_element callers.