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2009-03-17 H.J. Lu <hongjiu.lu@intel.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR target/39477
4         * doc/extend.texi: Correct register behavior for regparm on
5         Intel 386.
6
7 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
8
9         PR target/39476
10         * config/i386/i386.c (ix86_function_regparm): Rewrite for
11         64bit.
12
13 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
14
15         PR target/39473
16         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
17         for ms->sysv ABI calls only in 64bit mode.
18
19         * config/i386/i386.md (untyped_call): Support 32bit.
20
21 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
22
23         * doc/extend.texi: Replace x86_65 with x86_64.
24
25 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
26
27         PR tree-optimization/39455
28         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
29         mismatches for POINTER_TYPE_P (type).
30         (number_of_iterations_le): Likewise.
31
32 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
33
34         * config/picochip/picochip.c: Removed profiling support.
35         * config/picochip/picochip.md: Removed profiling instruction.
36         * config/picochip/picochip.h: Removed profiling builtin.
37
38 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
39
40         * doc/install.texi (--with-host-libstdcxx): Document.
41
42 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
43
44         PR target/34299
45         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
46         generate a warning if the function name does not begin with
47         "__vector" and the function has either the 'signal' or 'interrupt'
48         attribute, from here to ...
49         (avr_declare_function_name): ...here. New function.
50         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
51         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
52
53 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
54
55         PR bootstrap/39454
56         * cse.c (fold_rtx): Don't modify original const_arg1 when
57         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
58         separate variable instead.
59         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
60         from out of range shift counts.
61         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
62
63 2008-03-13  Catherine Moore  <clm@codesourcery.com>
64
65         *  gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
66         diagnostic.h with $(DIAGNOSTIC_H).
67
68 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
69
70         PR target/39431
71         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
72         predicate.
73         * config/i386/sync.md (sync_compare_and_swap<mode>,
74         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
75         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
76         into a register.
77         (sync_double_compare_and_swapdi_pic,
78         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
79         cmpxchg8b_pic_memory_operand instead of just memory_operand.
80
81 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
82
83         PR target/39445
84         * config/i386/i386.c (ix86_expand_push): Don't set memory
85         alignment.
86
87 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
88
89         PR target/39327
90         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
91         (avx_addsubv4df3): Likewise.
92         (*avx_addsubv4sf3): Likewise.
93         (sse3_addsubv4sf3): Likewise.
94
95 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
96
97         PR target/38824
98         * config/i386/i386.md: Compare REGNO on the new peephole2
99         patterns.
100
101 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
102
103         PR debug/39432
104         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
105         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
106         registers for allocnos created from user-defined variables.
107
108 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
109
110         PR target/39181
111         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
112         of non-integer mode as well.
113
114 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
115
116         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
117         for functions for which the parameter types are unknown.
118
119 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
120
121         PR target/39137
122         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT
123         macro.
124         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
125         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
126         * config/i386/i386.c (ix86_local_alignment): For
127         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
128         long long variables on the stack to avoid dynamic realignment.
129         Allow the first argument to be a decl rather than type.
130         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
131
132 2009-03-11  Nick Clifton  <nickc@redhat.com>
133
134         PR target/5362
135         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
136         options.
137         Add description to mno-lsim option.
138         * config/mcore/mcore.h: Remove comment about deprecated m4align
139         option.
140         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
141         * doc/invoke.texi: Add description of mno-lsim and
142         mstack-increment options.
143
144         * config/fr30/fr30.opt: Document the -mno-lsim option.
145         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
146         and -mno-lsim options.
147
148 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
149
150         * fold-const.c (fold_comparison): Only call fold_inf_compare
151         if the mode supports infinities.
152
153 2009-03-11  Jason Merrill  <jason@redhat.com>
154
155         PR debug/39086
156         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
157         end already did.  Notice GIMPLE_CALL modifications of the result.
158         Don't copy debug information from an ignored decl or a decl from
159         another function.
160
161 2009-03-10  Richard Guenther  <rguenther@suse.de>
162             Nathan Froyd  <froydnj@codesourcery.com>
163
164         PR middle-end/37850
165         * libgcc2.c (__mulMODE3): Use explicit assignments to form the
166         result.
167         (__divMODE3): Likewise.
168
169 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
170
171         PR tree-optimization/39394
172         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
173         DECL_SIZE_UNIT of variable length FIELD_DECLs.
174
175 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
176
177         * recog.c (verfiy_changes): Disallow renaming of hard regs in
178         inline asms for register asm ("") declarations.
179
180 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
181
182         * fold-const.c (fold_unary): Fix comment.
183
184 2009-03-07  Jan Hubicka  <jh@suse.cz>
185
186         PR target/39361
187         * tree-inline.c (setup_one_parameter): Do replacement of const argument
188         by constant in SSA form.
189
190 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
191
192         PR middle-end/38028
193         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
194         determine alignment passed to assign_stack_local.
195         (assign_parms_unsplit_complex): Likewise.
196         * except.c (sjlj_build_landing_pads): Likewise.
197
198 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
199
200         PR middle-end/39360
201         * tree-flow.h (add_referenced_var): Return bool instead of void.
202         * tree-dfa.c (add_referenced_var): Return result of
203         referenced_var_check_and_insert call.
204         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
205         of referenced_var_check_and_insert.
206
207         PR debug/39372
208         * dwarf2out.c (add_abstract_origin_attribute): Return
209         origin_die.
210         (gen_variable_die): Emit DW_AT_location on abstract static variable's
211         DIE, don't emit it if abstract origin already has it.
212         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
213         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
214
215 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
216
217         * genpreds.c: (needs_variable): Fix parentheses at variable name
218         detection.
219         (write_tm_constrs_h): Indent generated code.
220
221 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
222
223         * doc/extend.texi (Function Attributes): Add documentation
224         for isr attributes.
225
226 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
227
228         PR debug/39387
229         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
230         take locus from its DECL_SOURCE_LOCATION instead of input_location.
231
232 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
233
234         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
235         the loop as bad.
236
237 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
238
239         PR debug/39379
240         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
241         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
242
243 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
244
245         * config/i386/i386.md (R8_REG, R9_REG): New constants.
246         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
247         constants instead of magic numbers.
248         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
249         (QI_REG_P): Ditto.
250         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
251         (x86_64_ms_abi_int_parameter_registers): Ditto.
252         (x86_64_int_return_registers): Ditto.
253         (ix86_maybe_switch_abi): Ditto.
254         (ix86_expand_call): Ditto for clobbered_registers array.
255         (ix86_hard_regno_mode_ok): Ditto.
256         (x86_extended_QIreg_mentioned_p): Ditto.
257
258 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
259
260         PR tree-optimization/39349
261         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
262
263         * combine.c (gen_lowpart_for_combine): Use omode when generating
264         clobber.
265
266 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
267
268         PR rtl-optimization/39235
269         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
270
271 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
272
273         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
274
275 2009-03-04  Richard Guenther  <rguenther@suse.de>
276
277         PR tree-optimization/39362
278         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
279         that occur in abnormal PHIs should be varying.
280
281 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
282
283         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
284         Extend comments.
285         (simple_iv):  Take loop as an argument instead of statement.
286         * tree-scalar-evolution.h (simple_iv): Declaration changed.
287         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
288         to simple_iv.
289         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
290         Ditto.
291         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
292         * matrix-reorg.c (analyze_transpose): Ditto.
293         * tree-data-ref.c (dr_analyze_innermost): Ditto.
294         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
295         * tree-predcom.c (ref_at_iteration): Ditto.
296         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
297
298 2009-03-04  Richard Guenther  <rguenther@suse.de>
299
300         PR tree-optimization/39358
301         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
302         escaped_id and callused_id.
303         (solve_graph): Likewise.
304
305 2009-03-04  Richard Guenther  <rguenther@suse.de>
306
307         PR tree-optimization/39339
308         * tree-sra.c (try_instantiate_multiple_fields): Make it
309         no longer ICE on the above.
310
311 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
312
313         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
314         that fits within Pmode.
315
316 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
317
318         PR middle-end/10109
319         * tm.texi (LIBCALL_VALUE): Update description.
320
321 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
322
323         PR middle-end/34443
324         * doc/extend.texi (section): Update description.
325
326 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
327
328         PR middle-end/39345
329         * tree-inline.c (remapped_type): New.
330         (can_be_nonlocal): Call remapped_type instead of remap_type.
331
332 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
333
334         PR fortran/39354
335         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
336         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
337
338 2009-03-03  Richard Guenther  <rguenther@suse.de>
339
340         PR middle-end/39272
341         * tree.c (tree_nonartificial_location): New function.
342         * tree.h (tree_nonartificial_location): Declare.
343         * builtins.c (expand_builtin_memory_chk): Provide location
344         of the call location for artificial function pieces.
345         (maybe_emit_chk_warning): Likewise.
346         (maybe_emit_sprintf_chk_warning): Likewise.
347         (maybe_emit_free_warning): Likewise.
348         * expr.c (expand_expr_real_1): Likewise.
349
350 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
351
352         PR tree-optimization/39343
353         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
354         COMPONENT_REF t has ARRAY_TYPE.
355
356 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
357
358         PR middle-end/39335
359         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
360         when the type precision of the induction variable should be
361         larger than the type precision of nit.
362         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
363         * graphite.c (graphite_loop_normal_form): Same.
364         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
365
366 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
367
368         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
369         (*call_1_rex64_ms_sysv): Use named constants instead of magic
370         numbers to describe clobbered registers.
371         (*call_value_0_rex64_ms_sysv): Ditto.
372         * config/i386/mmx.md (mmx_emms): Ditto.
373         (mmx_femms): Ditto.
374
375 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
376
377         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
378         of ABI_64.
379
380 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
381
382         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
383         (spu_section_type_flags): New function.
384
385 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
386
387         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
388         reg_class_contents of FLOAT_REGS into a temporary.
389
390 2009-03-02  Richard Guenther  <rguenther@suse.de>
391             Ira Rosen  <irar@il.ibm.com>
392
393         PR tree-optimization/39318
394         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
395         information to the vectorized statement.
396
397 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
398
399         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
400         variable.  Use defined names instead of magic constants for REX SSE
401         registers.
402
403 2009-03-01  Richard Guenther  <rguenther@suse.de>
404
405         PR tree-optimization/39331
406         * omp-low.c (lower_send_shared_vars): Do not receive new
407         values for the reference of DECL_BY_REFERENCE parms or results.
408
409 2009-03-01  Jan Hubicka  <jh@suse.cz>
410
411         PR debug/39267
412         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
413         BLOCK_NONLOCALIZED_VAR): New macros.
414         (tree_block): Add nonlocalized_vars.
415         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
416         gen_decl_die): Add origin argument.  Allow generation of die with
417         origin at hand only.
418         (gen_member_die, gen_type_die_with_usage, force_decl_die,
419         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
420         of gen_*.
421         (gen_block_die): Fix checking for unused blocks.
422         (process_scope_var): Break out from .... ; work with origins only.
423         (decls_for_scope) ... here; process nonlocalized list.
424         (dwarf2out_ignore_block): Look for nonlocalized vars.
425         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
426         vars.
427         (dump_scope_block): Dump them.
428         * tree-inline.c (remap_decls): Handle nonlocalized vars.
429         (remap_block): Likewise.
430         (can_be_nonlocal): New predicate.
431         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
432
433 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
434
435         * configure: Regenerate.
436
437 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
438
439         * optc-gen.awk: No need to duplicate option flags twice.
440         Reuse help texts for duplicate options which do not have
441         any.
442
443         * gcc.c (display_help): Document --version.
444
445         * gcc.c (main): If print_help_list and verbose_flag, ensure
446         driver output comes before subprocess output.
447
448         * optc-gen.awk: Assign all remaining fields to help string,
449         space-separated, for multi-line help in *.opt.
450
451         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
452         -Wno-pedantic-ms-format is for MinGW targets only.
453
454         * doc/options.texi (Option file format): Fix bad indentation,
455         restoring dropped sentence.
456
457 2009-02-28  Jan Hubicka  <jh@suse.cz>
458
459         * tree-inline.c (tree_function_versioning): Output debug info.
460
461 2009-02-28  Jan Hubicka  <jh@suse.cz>
462
463         PR debug/39267
464         * tree-inline.c (setup_one_parameter): Do not copy propagate
465         arguments when not optimizing.
466
467 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
468
469         PR target/39327
470         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
471         (avx_addsubv4df3): Likewise.
472         (*avx_addsubv4sf3): Likewise.
473         (sse3_addsubv4sf3): Likewise.
474         (*avx_addsubv2df3): Likewise.
475         (sse3_addsubv2df3): Likewise.
476         (avx_unpckhps256): Correct item selectors.
477         (avx_unpcklps256): Likewise.
478         (avx_unpckhpd256): Likewise.
479         (avx_unpcklpd256): Likewise.
480
481 2009-02-28  Jan Hubicka  <jh@suse.cz>
482
483         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
484         static vars.
485         (copy_arguments_for_versioning): If var is declared don't declare it.
486         (tree_function_versioning): First setup substitutions and then copy
487         args.
488
489 2009-02-27  Jan Hubicka  <jh@suse.cz>
490
491         PR debug/39267
492         * cgraph.h (varpool_output_debug_info): Remove.
493         * cgraphunit.c (varpool_output_debug_info): Remove.
494         * dwarf2out.c (deferred_locations_struct): New struct
495         (deferred_locations): New type.
496         (deferred_locations_list): New static var.
497         (deffer_location): New function.
498         (gen_variable_die): Use it.
499         (decls_for_scope): Output info on local static vars.
500         (dwarf2out_finish): Process deferred locations.
501         * varpool.c (varpool_output_debug_info): Remove.
502
503 2009-02-27  Jan Hubicka  <jh@suse.cz>
504
505         PR debug/39267
506         * tree.h (TREE_PROTECTED): Fix comment.
507         (BLOCK_HANDLER_BLOCK): Remove.
508         (struct tree_block): Remove handler_block add body_block.
509         (inlined_function_outer_scope_p): New.
510         (is_body_block): Remove.
511         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
512         * dwarf2out.c (is_inlined_entry_point): Remove.
513         (add_high_low_attributes): Use inlined_function_outer_scope_p.
514         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
515         code.
516         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
517         * gimplify.c (gimplify_expr): Gimplify body blocks.
518         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
519         block with multiple subblocks.
520         (dump_scope_block): Prettier output; dump more flags and info.
521         (dump_scope_blocks): New.
522         (remove_unused_locals): Use dump_scope_blocks.
523         * tree-flow.h (dump_scope_blocks): Declare.
524         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
525         * stmt.c (is_body_block): Remove.
526         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
527         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
528
529 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
530
531         PR middle-end/39308
532         * graphite.c (graphite_loop_normal_form): Do not call 
533         number_of_iterations_exit from a gcc_assert.
534
535 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
536
537         * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
538         jumps if COND is NULL.
539         (find_cond_jump): New function.
540         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
541         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
542
543 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
544
545         * config/alpha/alpha.h (alpha_expand_mov): Return false if
546         force_const_mem returns NULL_RTX.
547
548 2009-02-26  Jan Hubicka  <jh@suse.cz>
549
550         PR debug/39267
551         * cgraph.h (varpool_output_debug_info): Remove.
552         * cgraphunit.c (varpool_output_debug_info): Remove.
553         * dwarf2out.c (deferred_locations_struct): New struct
554         (deferred_locations): New type.
555         (deferred_locations_list): New static var.
556         (deffer_location): New function.
557         (gen_variable_die): Use it.
558         (decls_for_scope): Output info on local static vars.
559         (dwarf2out_finish): Process deferred locations.
560         * varpool.c (varpool_output_debug_info): Remove.
561
562 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
563
564         PR rtl-optimization/39241
565         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
566         to subreg_offset_representable_p.
567
568 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
569
570         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
571         execute function prototype.  Get f and nregs from max_reg_num
572         and get_insns.  Remove the first backward pass as it's dead,
573         guard the forward pass by flag_expensive_optimizations.
574         (rest_of_handle_regmove): Delete.
575         (pass_regmove): Replace it with regmove_optimize.
576
577 2009-02-25  Martin Jambor  <mjambor@suse.cz>
578
579         PR tree-optimization/39259
580         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
581         calls_alloca function flags.
582         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
583         calls are detected.
584
585 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
586
587         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
588         flags_set_1_rtx, flags_set_1_set): Delete.
589         (regmove_optimize): Do not call mark_flags_life_zones.
590
591 2009-02-24  Julian Brown  <julian@codesourcery.com>
592
593         PR target/35965
594         * config/arm/arm.c (require_pic_register): Only set
595         cfun->machine->pic_reg once per function.
596
597 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
598
599         * doc/invoke.texi (Link Options): Document an easier way to pass
600         options that take arguments to the GNU linker using -Xlinker and -Wl.
601
602 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
603
604         PR target/33785
605         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
606
607 2009-02-24  Richard Guenther  <rguenther@suse.de>
608
609         PR debug/39285
610         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
611
612 2009-02-24  Richard Guenther  <rguenther@suse.de>
613             Zdenek Dvorak  <ook@ucw.cz>
614
615         PR tree-optimization/39233
616         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
617         from converting them to a generic type.
618
619 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
620
621         PR tree-optimization/39260
622         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
623         contains a condition with a real type.
624         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
625
626 2009-02-23  Jason Merrill  <jason@redhat.com>
627
628         PR c++/38880
629         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
630         narrowing_initializer_constant_valid_p.
631         (narrowing_initializer_constant_valid_p): Don't return 
632         null_pointer_node for adding a pointer to itself.
633
634 2009-02-23  Jan Hubicka  <jh@suse.cz>
635
636         PR c/12245
637         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
638         resizing.
639
640 2009-02-23  Jan Hubicka  <jh@suse.cz>
641
642         PR tree-optimization/37709
643         * tree.c (block_ultimate_origin): Move here from dwarf2out.
644         * tree.h (block_ultimate_origin): Declare.
645         * dwarf2out.c (block_ultimate_origin): Move to tree.c
646         * tree-ssa-live.c (remove_unused_scope_block_p):
647         Eliminate blocks containig no instructions nor live variables nor
648         nested blocks.
649         (dump_scope_block): New function.
650         (remove_unused_locals): Enable removal of dead blocks by default;
651         enable dumping at TDF_DETAILS.
652
653 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
654
655         * config/i386/i386.c (classify_argument): Don't allow COImode
656         and OImode.
657         (function_arg_advance_32): Don't allow OImode.
658         (function_arg_32): Likewise.
659         (function_value_32): Likewise.
660         (return_in_memory_32): Likewise.
661         (function_arg_64): Remove OImode comment.
662
663 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
664
665         PR target/39261
666         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
667         ix86_expand_vector_set for V4DImode in 64bit mode only.
668         (ix86_expand_vector_init_one_var): Likewise.
669
670 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
671
672         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
673
674 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
675
676         PR bootstrap/39257
677         * loop-iv.c: Revert last change.
678         * emit-rtl.c: Likewise.
679
680 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
681
682         PR target/39256
683         * config/i386/i386.c (type_natural_mode): Remove an extra
684         space in the warning message.
685         (function_value_32): Handle 32-byte vector modes.
686         (return_in_memory_32): Likewise.
687
688 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
689
690         * loop-iv.c (truncate_value): New function.
691         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
692         of lowpart_subreg.
693         (lowpart_subreg): Move to...
694         * emit-rtl.c: ...here.
695
696 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
697
698         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
699         accidental and undocumented change at revision 140860.
700
701 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
702
703         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
704         take gimple_seq * arguments.
705         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
706         types_compatible_p langhook.
707
708 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
709             Joseph Myers  <joseph@codesourcery.com>
710
711         * config/arm/arm.c (arm_builtin_va_list): New function.
712         (arm_expand_builtin_va_start): Likewise.
713         (arm_gimplify_va_arg_expr): Likewise.
714         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
715         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
716         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
717         (va_list_type): New variable.
718         (arm_mangle_type): Mangle va_list_type appropriately.
719
720 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
721
722         PR middle-end/39157
723         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
724         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
725         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
726         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
727         parameter to 1000 for -O1 by default.
728         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
729         parameter.
730         * loop-invariant.c: Include params.h.
731         (move_loop_invariants): Don't call move_single_loop_invariants on
732         very large loops.
733
734 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
735
736         * calls.c (emit_library_call_value_1): Use slot_offset instead of
737         offset when calculating bounds for indexing stack_usage_map.  Fixes
738         a buffer overflow with certain target setups.
739
740 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
741
742         PR target/39240
743         * calls.c (expand_call): Clear try_tail_call if caller and callee
744         disagree in promotion of function return value.
745
746 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
747
748         PR target/39175
749         * c-common.c (c_determine_visibility): If visibility changed and
750         DECL_RTL has been already set, call make_decl_rtl to update symbol
751         flags.
752
753 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
754
755         PR c++/39188
756         * varasm.c (assemble_variable): Don't check DECL_NAME when
757         globalizing a variable.
758
759 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
760
761         PR c/38483
762         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
763         expression before any __builtin_trap call.
764         * c-typeck.c (build_function_call): Convert and check function
765         arguments before generating a call to a trap.  Evaluate the
766         function arguments before the trap.
767
768 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
769
770         PR target/39228
771         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
772         (UNSPEC_FXAM_MEM): New unspec.
773         (fxam<mode>2_i387_with_temp): New insn and split pattern.
774         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
775         memory using fxam<mode>2_i387_with_temp to remove excess precision.
776
777 2009-02-19  Richard Guenther  <rguenther@suse.de>
778
779         PR tree-optimization/39207
780         PR tree-optimization/39074
781         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
782         storedanything_tree): New.
783         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
784         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
785         (build_succ_graph): Add edges from STOREDANYTHING to all
786         non-direct nodes.
787         (init_base_vars): Initialize STOREDANYTHING.
788         (compute_points_to_sets): Free substitution info after
789         building the succ graph.
790         (ipa_pta_execute): Likewise.
791
792         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
793         field.
794         (do_ds_constraint): Do not add to special var or non-pointer
795         field solutions.
796         (type_could_have_pointers): Split out from ...
797         (could_have_pointers): ... here.  For arrays use the element type.
798         (create_variable_info_for): Initialize may_have_pointers.
799         (new_var_info): Likewise.
800         (handle_lhs_call): Make the HEAP variable unknown-sized.
801         (intra_create_variable_infos): Use a type with pointers for
802         PARM_NOALIAS, make it unknown-sized.
803
804 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
805
806         PR target/39224
807         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
808
809 2009-02-18  Jason Merrill  <jason@redhat.com>
810
811         PR target/39179
812         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
813         value if DECL_EXTERNAL.
814         * tree-sra.c (sra_walk_gimple_assign): Likewise.
815         * target.h (gcc_target::binds_local_p): Clarify "module".
816         * tree.h (TREE_PUBLIC): Clarify "module".
817
818 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
819
820         PR target/38891
821         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
822         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
823
824 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
825
826         PR target/39082
827         * c.opt (Wabi): Support C and ObjC.
828         (Wpsabi): New.
829
830         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
831
832         * config/i386/i386.c (classify_argument): Warn once about the ABI
833         change when passing union with long double.
834
835         * doc/invoke.texi: Update -Wabi for warning psABI changes.
836
837 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
838
839         PR c/35447
840         * c-parser.c (c_parser_compound_statement): Always enter and leave
841         a scope.
842
843 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
844
845         PR target/34587
846         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
847
848 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
849
850         PR tree-optimization/36922
851         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
852         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
853         Likewise.
854
855 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
856
857         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
858         to 0 for EABI64.
859
860 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
861
862         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
863
864 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
865
866         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
867         tree sharing.
868
869 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
870             Richard Sandiford  <rdsandiford@googlemail.com>
871
872         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
873         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
874         (loongson_biadd): ...this.
875
876 2009-02-17  Richard Guenther  <rguenther@suse.de>
877
878         PR tree-optimization/39202
879         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
880         a var make sure to follow existing collapses.
881
882 2009-02-17  Richard Guenther  <rguenther@suse.de>
883
884         PR middle-end/39214
885         * langhooks.c (lhd_print_error_function): Check for NULL block.
886
887 2009-02-17  Richard Guenther  <rguenther@suse.de>
888
889         PR tree-optimization/39204
890         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
891         of the PHI arg.
892
893 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
894
895         * config/soft-fp/double.h: Update from glibc CVS.
896
897 2009-02-17  Richard Guenther  <rguenther@suse.de>
898
899         PR tree-optimization/39207
900         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
901         strict-aliasing warnings for pointers pointing to NULL.
902
903 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
904
905         PR c/35446
906         * c-parser.c (c_parser_braced_init): Call pop_init_level when
907         skipping until next close brace.
908
909 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
910
911         PR target/37049
912         * config/i386/i386.c (ix86_expand_push): Set memory alignment
913         to function argument boundary.
914
915 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
916
917         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
918         in the lea_add. Reload eventually constraints it properly.
919         * config/picochip/constraints.md : Remove the target constraint
920         "b", since it is not needed anymore.
921
922 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
923
924         * gthr-dce.h: Uglify function parameter and local variable names.
925         * gthr-gnat.h: Likewise.
926         * gthr-mipssde.h: Likewise.
927         * gthr-nks.h: Likewise.
928         * gthr-posix95.h: Likewise.
929         * gthr-posix.h: Likewise.
930         * gthr-rtems.h: Likewise.
931         * gthr-single.h: Likewise.
932         * gthr-solaris.h: Likewise.
933         * gthr-tpf.h: Likewise.
934         * gthr-vxworks.h: Likewise.
935         * gthr-win32.h: Likewise.
936
937 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
938
939         PR target/39196
940         * config/i386/i386.md: Restrict the new peephole2 to move
941         between MMX/SSE registers.
942
943 2009-02-15  Richard Guenther  <rguenther@suse.de>
944
945         Revert
946         2009-02-13  Richard Guenther  <rguenther@suse.de>
947
948         * configure.ac: Enable LFS.
949         * configure: Re-generate.
950         * config.in: Likewise.
951
952 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
953
954         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
955         spu_srqwbyte, spu_srqwbytebc): Define.
956         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
957         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
958         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
959         "shrqby_<mode>"): New insn-and-split patterns.
960         * config/spu/spu.c (expand_builtin_args): Determine and return
961         number of operands using spu_builtin_description data.
962         (spu_expand_builtin_1): Use it.
963
964 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
965
966         PR target/38056
967         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
968         TARGET_CONST_GP.
969
970 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
971
972         PR target/39149
973         * config/i386/i386.c (override_options): Correct warning
974         messages for -malign-loops, -malign-jumps and -malign-functions.
975
976 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
977
978         PR target/39152
979         * config/i386/i386.md: Restrict the new peephole2 to move
980         between the general purpose registers.
981
982 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
983
984         PR target/39162
985         * config/i386/i386.c (type_natural_mode): Add a new argument.
986         Return the original mode and warn ABI change if vector size is 32byte.
987         (function_arg_advance): Updated.
988         (function_arg): Likewise.
989         (ix86_function_value): Likewise.
990         (ix86_return_in_memory): Likewise.
991         (ix86_sol10_return_in_memory): Likewise.
992         (ix86_gimplify_va_arg): Likewise.
993         (function_arg_32): Don't warn ABX ABI change here.
994         (function_arg_64): Likewise.
995
996 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
997
998         * loop-iv.c (implies_p): In the final case, test that operands 0
999         of the two comparisons match.
1000
1001         * config/bfin/bfin.c (find_prev_insn_start): New function.
1002         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1003         (find_next_insn_start): Move.
1004
1005 2009-02-13  Richard Guenther  <rguenther@suse.de>
1006
1007         * configure.ac: Enable LFS.
1008         * configure: Re-generate.
1009         * config.in: Likewise.
1010
1011 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
1012
1013         PR c/35444
1014         * c-parser.c (c_parser_parms_list_declarator): Discard pending
1015         sizes on syntax error after some arguments have been parsed.
1016
1017 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1018
1019         * doc/invoke.texi (-fira): Remove.
1020
1021 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1022
1023         * caller-save.c: Replace regclass.c with reginfo.c in comments.
1024         * recog.c: Likewise.
1025         * rtl.h: Likewise.
1026
1027 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
1028
1029         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1030         (umul_ppmm): Likewise.
1031         (count_leading_zeros): Likewise.
1032         (count_trailing_zeros): Likewise.
1033         (UMUL_TIME): Likewise.
1034
1035 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1036
1037         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1038         soft-fp/t-softfp to tmake_file.
1039
1040         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1041         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1042         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1043         IA64_BUILTIN_INFQ]: New.
1044         (ia64_init_builtins): Initialize __builtin_infq,
1045         __builtin_fabsq and __builtin_copysignq if not HPUX.
1046         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1047         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1048
1049         * config/ia64/lib1funcs.asm (__divtf3): Define only if
1050         SHARED is defined.
1051         (__fixtfti): Likewise.
1052         (__fixunstfti): Likewise.
1053         (__floattitf): Likewise.
1054
1055         * config/ia64/libgcc-glibc.ver: New.
1056         * config/ia64/t-fprules-softfp: Likewise.
1057         * config/ia64/sfp-machine.h: Likewise.
1058
1059         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1060         (LIBGCC2_TF_CEXT): Likewise.
1061         (TF_SIZE): Likewise.
1062         (TARGET_INIT_LIBFUNCS): Likewise.
1063
1064         * config/ia64/t-glibc (SHLINB_MAPFILES):
1065         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1066
1067 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1068
1069         * config/i386/i386.c (construct_container): Rewrite processing
1070         BLKmode with X86_64_SSE_CLASS.
1071
1072 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
1073
1074         PR target/39152
1075         * config/i386/i386.md: Replace simplify_replace_rtx with
1076         replace_rtx in the new peephole2.
1077
1078 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
1079
1080         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1081         loop unrolling do not happen at -O2.
1082
1083 2009-02-12  Michael Matz  <matz@suse.de>
1084
1085         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1086
1087 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1088
1089         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1090         for -g3.
1091
1092 2009-02-12  Ben Elliston  <bje@au.ibm.com>
1093
1094         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1095         patterns when updating the back chain.  Missed in the 2009-02-10
1096         change.
1097
1098 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
1099
1100         * doc/extend.texi (Decimal Floating Types): Update identifier of
1101         draft TR and list of missing support.
1102
1103 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
1104
1105         PR middle-end/39154
1106         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1107         bit to variable length decl's flags, add it also to its
1108         pointer replacement variable.
1109
1110 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
1111             Jakub Jelinek  <jakub@redhat.com>
1112
1113         PR target/39118
1114         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1115         (memory_blockage): New expander.
1116         (*memory_blockage): New insn pattern.
1117         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1118         instead of general blockage at the end of function prologue when
1119         frame pointer is used to access red zone area.  Do not emit blockage
1120         when profiling, it is emitted in generic code.
1121         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1122         function epilogue when frame pointer is used to access red zone area.
1123
1124 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
1125
1126         PR target/38824
1127         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1128         by arithmetic with memory operands.
1129         * config/i386/predicates.md (commutative_operator): New.
1130
1131 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
1132
1133         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1134         bulleted lists.
1135
1136 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1137
1138         * alias.h (record_alias_subset): Declare.
1139         * alias.c (record_alias_subset): Make global.
1140
1141 2009-02-10  Nick Clifton  <nickc@redhat.com>
1142
1143         * tree-parloops.c: Change license to GPLv3.
1144         * ipa-struct-reorg.c: Change license to GPLv3.
1145         * ipa-struct-reorg.h: Change license to GPLv3.
1146
1147 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
1148
1149         PR c/39084
1150         * c-decl.c (start_struct): Return NULL on error.
1151
1152 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
1153
1154         PR middle-end/39124
1155         * cfgloopmanip.c (remove_path): Call remove_bbs after
1156         cancel_loop_tree, not before it.
1157
1158         PR target/39139
1159         * function.h (struct function): Add has_local_explicit_reg_vars bit.
1160         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1161         VAR_DECLs were seen.
1162         * tree-ssa-live.c (remove_unused_locals): Recompute
1163         cfun->has_local_explicit_reg_vars.
1164         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1165         copies or clearings if cfun->has_local_explicit_reg_vars.
1166
1167 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
1168
1169         PR target/39118
1170         * config/i386/i386.c (expand_prologue): Emit blockage at the end
1171         of function prologue when frame pointer is used to access
1172         red zone area.
1173
1174 2009-02-10  Richard Guenther  <rguenther@suse.de>
1175
1176         PR middle-end/39127
1177         * gimplify.c (gimple_regimplify_operands): Always look if
1178         we need to create a temporary.
1179
1180 2009-02-10  Richard Guenther  <rguenther@suse.de>
1181
1182         PR tree-optimization/39132
1183         * tree-loop-distribution.c (todo): New global var.
1184         (generate_memset_zero): Trigger TODO_rebuild_alias.
1185         (tree_loop_distribution): Return todo.
1186
1187 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
1188
1189         PR target/39119
1190         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1191         (x86_64_reg_class_name): Removed.
1192         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
1193         first one isn't X86_64_SSE_CLASS or any other ones aren't
1194         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
1195         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1196         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
1197         and 3 X86_64_SSEUP_CLASS.
1198         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
1199         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1200
1201 2009-02-10  Ben Elliston  <bje@au.ibm.com>
1202
1203         * config/rs6000/rs6000.md (allocate_stack): Always use an update
1204         form instruction to update the stack back chain word, even if the
1205         user has disabled the generation of update instructions.
1206         (movdi_<mode>_update_stack): New.
1207         (movsi_update_stack): Likewise.
1208         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1209         always use an update form instruction to update the stack back
1210         chain word.
1211
1212 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
1213
1214         PR middle-end/38953
1215         * graphite.c (if_region_set_false_region): After moving a region in
1216         the false branch of a condition, remove the empty dummy basic block.
1217         (gloog): Remove wrong fix for PR38953.
1218
1219 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1220
1221         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1222         generation due to implicit sign extension.
1223
1224 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
1225
1226         PR middle-end/38981
1227         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1228         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1229
1230 2009-02-09  Richard Guenther  <rguenther@suse.de>
1231
1232         PR middle-end/35202
1233         * convert.c (convert_to_real): Disable (float)fn((double)x)
1234         to fnf(x) conversion if errno differences may occur and
1235         -fmath-errno is set.
1236
1237 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
1238
1239         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1240         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1241         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1242
1243 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1244
1245         PR c/35434
1246         * c-common.c (handle_alias_attribute): Disallow attribute for
1247         anything not a FUNCTION_DECL or VAR_DECL.
1248
1249 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
1250
1251         PR c/39035
1252         * real.c (do_compare): Special-case compare of zero against
1253         decimal float value.
1254
1255 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1256
1257         PR c/36432
1258         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1259         as indicating flexible array members unless the field itself is
1260         being declarared as the incomplete array.
1261
1262 2009-02-06  Jan Hubicka  <jh@suse.cz>
1263
1264         PR tree-optimization/38844
1265         * ipa-inline.c (try_inline): Stop inlining recursion when edge
1266         is already inlined.
1267
1268 2009-02-06  Richard Guenther  <rguenther@suse.de>
1269
1270         PR middle-end/38977
1271         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1272         fork because we may expand it as __gcov_fork.
1273
1274 2009-02-06  Nick Clifton  <nickc@redhat.com>
1275
1276         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1277
1278 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
1279
1280         PR tree-optimization/35659
1281         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1282         vn_phi_eq): Shortcut if hashcode does not match.
1283         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1284         NULL operands.
1285         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1286         and avoid iterative_hash_expr.
1287         (FOR_EACH_VALUE_ID_IN_SET): New.
1288         (value_id_compare): Remove.
1289         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1290         sort expressions by value id.
1291
1292 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
1293
1294         PR target/38991
1295         * config/sh/predicates.md (general_movsrc_operand): Don't check
1296         the subreg of system registers here.
1297
1298 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
1299
1300         PR c++/39106
1301         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1302         on the copied decl.
1303
1304 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
1305
1306         PR rtl-optimization/39110
1307         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1308         addresses, not aligned ones.
1309
1310 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
1311             Richard Guenther  <rguenther@suse.de>
1312
1313         PR tree-optimization/39100
1314         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1315         comment says and add edges.
1316
1317 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
1318
1319         PR c/35435
1320         * c-common.c (handle_tls_model_attribute): Ignore attribute for
1321         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1322
1323 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
1324
1325         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1326         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1327         register_bb_in_sese, new_sese, free_sese): Moved.
1328         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1329         outermost_loop_in_scop, build_scop_iteration_domain,
1330         expand_scalar_variables_ssa_name, get_vdef_before_scop,
1331         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1332         Use loop_in_sese_p instead of loop_in_scop_p.
1333         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1334         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1335         (scopdet_basic_block_info): Fix bug in scop detection.
1336         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1337         eq_loop_to_cloog_loop): Remove.
1338         (nb_loops_around_loop_in_scop, nb_loop
1339         ref_nb_loops): Moved here...
1340         * graphite.h (ref_nb_loops): ... from here.
1341         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1342         (loop_domain_dim, loop_iteration_vector_dim): Remove.
1343         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1344         * testsuite/gcc.dg/graphite/scop-19.c: New
1345
1346 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
1347             Hans-Peter Nilsson  <hp@axis.com>
1348
1349         PR rtl-optimization/37889
1350         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1351         Move offset handling from PLUS to before the switch.  Use new
1352         arguments when considering SYMBOL_REFs too.
1353         (rtx_addr_can_trap_p): Pass dummy offset and size.
1354         (enum may_trap_p_flags): Remove.
1355         (may_trap_p_1): Pass size from MEM_SIZE.
1356
1357         PR rtl-optimization/38921
1358         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1359         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1360         * rtlanal.c (may_trap_after_code_motion_p): Delete.
1361         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1362
1363 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
1364
1365         AVX Programming Reference (January, 2009)
1366         * config/i386/sse.md (*vpclmulqdq): New.
1367
1368 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
1369
1370         PR tree-optimization/38977
1371         PR gcov-profile/38292
1372         * calls.c (special_function_p): Disregard __builtin_ prefix.
1373
1374 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
1375
1376         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1377         non-indexable addresses even before reload.
1378
1379 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1380
1381         PR c/29129
1382         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1383         as having variable size.  Do not give an error for unnamed
1384         parameters with [*] declarators.  Give a warning for type names
1385         with [*] declarators and mark them as variable size.
1386         * c-parser.c (c_parser_sizeof_expression): Do not give an error
1387         for sizeof applied to [*] type names.
1388
1389 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1390
1391         PR C++/36607
1392         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1393
1394 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1395
1396         * gcc.c (process_command): Update copyright notice dates.
1397         * gcov.c (print_version): Likewise.
1398         * gcov-dump.c (print_version): Likewise.
1399         * mips-tfile.c (main): Likewise.
1400         * mips-tdump.c (main): Likewise.
1401
1402 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1403
1404         PR c/35433
1405         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1406         for composite type involving a zero-length array type.
1407
1408 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1409
1410         PR target/35318
1411         * function.c (match_asm_constraints_1): Skip over
1412         initial optional % in the constraint.
1413
1414         PR inline-asm/39059
1415         * c-parser.c (c_parser_postfix_expression): If fixed point is not
1416         supported, don't accept FIXED_CSTs.
1417         * c-decl.c (finish_declspecs): Error if fixed point is not supported
1418         and _Sat is used without _Fract/_Accum.  Set specs->type to
1419         integer_type_node for cts_fract/cts_accum if fixed point is not
1420         supported.
1421
1422 2009-02-02  Catherine Moore  <clm@codesourcery.com>
1423
1424         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1425
1426 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
1427
1428         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1429         (ABI_HAS_64BIT_SYMBOLS): Use it.
1430         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1431
1432 2009-02-02  Paul Brook  <paul@codesourcery.com>
1433
1434         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1435
1436 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
1437
1438         PR inline-asm/39058
1439         * recog.h (asm_operand_ok): Add constraints argument.
1440         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
1441         recurse on matching constraint.
1442         (check_asm_operands): Pass constraints as 3rd argument to
1443         asm_operand_ok.  Don't look up matching constraint here.
1444         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1445         to asm_operand_ok.
1446
1447 2009-02-02  Ben Elliston  <bje@au.ibm.com>
1448
1449         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1450         TARGET_NARROW_VOLATILE_BITFIELD macro names.
1451
1452 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1453
1454         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1455         information.  Remove some obsolete information.  Reorganize.
1456
1457         * config/pa/fptr.c: Revert license to GPL 2.
1458         * config/pa/milli64.S: Likewise.
1459
1460 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1461
1462         PR target/38904
1463         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
1464         LIBRARY name in, instead of hard-coding it.
1465         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
1466         extra target make frag to tmake_files according to EH model.
1467         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
1468         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
1469         frags that define makefile variable EH_MODEL appropriately.
1470         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
1471         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
1472         to "-sjlj" according to type of EH configured.
1473         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1474         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
1475         to "_sjlj" according to type of EH configured.
1476         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1477         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
1478         (SHLIB_LINK):  Add missing semicolon to if-else construct.
1479         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1480         string value of "pe_dll" command-line option.
1481         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
1482         (SHLIB_SONAME):  Use it when overriding t-cygming default.
1483         (SHLIB_IMPLIB):  Override t-cygming default.
1484         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1485         string value of "pe_dll" command-line option.
1486
1487 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1488
1489         PR target/38952
1490         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1491         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1492
1493 2009-01-31  Richard Guenther  <rguenther@suse.de>
1494
1495         PR tree-optimization/38937
1496         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1497         computing the transitive closure.
1498
1499 2009-01-30  Richard Guenther  <rguenther@suse.de>
1500
1501         PR tree-optimization/39041
1502         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1503         Propagate variable indices only if the types match for this stmt.
1504
1505 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
1506
1507         PR target/39013
1508         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1509         inline but never defined.
1510
1511 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
1512
1513         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1514         (*insv_h_di_reg_extimm): New insn.
1515         (*insv_l<mode>_reg_extimm): New insn.
1516
1517 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1518
1519         * config/picochip/picochip.c (flag_conserve_stack): set
1520         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1521         fconserve-stack. Reduce call-overhead used by inliner.
1522
1523 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1524
1525         PR/38157
1526         * common.opt (flag_conserve_stack): Initialised to zero.
1527
1528 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
1529
1530         PR/39002
1531         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1532         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1533         method.
1534
1535 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
1536
1537         * ira-color.c (allocno_reload_assign): Update comments.
1538         * regmove.c (regmove_optimize): Likewise.
1539
1540         * ra.h: Removed.
1541
1542 2009-01-29  Robert Millan  <rmh@aybabtu.com>
1543
1544         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1545         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
1546         `MD_UNWIND_SUPPORT'.
1547         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1548
1549 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
1550
1551         PR tree-optimization/39007
1552         * tree-loop-distribution.c (generate_builtin): Use
1553         recompute_dominator to compute the immediate dominator of the
1554         basic block just after the loop.
1555
1556 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1557
1558         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1559         (ASM_OUTPUT_DWARF_PCREL): Define.
1560
1561 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
1562
1563         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1564         * doc/passes.texi: Remove entries about regclass, local-alloc, and
1565         global.  Modify entries about regmove and IRA.
1566
1567         * ra-conflict.c: Remove the file.
1568
1569         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1570
1571         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1572         (pass_regclass_init): Rename to pass_reginfo_init.
1573
1574         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1575
1576         * toplev.h (flag_ira): Remove.
1577
1578         * caller-save.c (setup_save_areas): Remove flag_ira.
1579
1580         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1581
1582         * global.c: Remove the file.
1583
1584         * opts.c: (decode_options): Remove flag_ira.
1585
1586         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1587
1588         * regmove.c: Modify file description.
1589         (find_use_as_address, try_auto_increment): Define them only if
1590         AUTO_INC_DEC is defined.
1591         (replacement_quality, replace_in_call_usage, fixup_match_1,
1592         stable_and_no_regs_but_for_p): Remove.
1593         (reg_set_in_bb): Make it static.
1594         (regmove_optimize): Remove flag_ira and code which worked for
1595         !flag_ira.
1596
1597         * local-alloc.c: Remove the file.
1598
1599         * common.opt (fira): Remove.
1600
1601         * ira.c: Include except.h.
1602         (eliminable_regset): Move from global.c.
1603         (mark_elimination): Ditto.  Remove flag_ira.
1604         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1605         equiv_mem_modified, validate_equiv_mem_from_store,
1606         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1607         contains_replace_regs, memref_referenced_p, memref_used_between_p,
1608         no_equiv, recorded_label_ref): Move from local-alloc.c.
1609         (update_equiv_regs): Ditto.  Make it static.
1610         (print_insn_chain, print_insn_chains): Move it from global.c.
1611         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
1612         (build_insn_chain): Ditto.  Make it static.
1613         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
1614         Rename to init_live_subregs.
1615         (gate_ira): Remove flag_ira.
1616
1617         * regclass.c: Rename reginfo.c.  Change file description.
1618         (FORBIDDEN_INC_DEC_CLASSES): Remove.
1619         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1620         (init_reg_sets_1): Remove code for evaluation of
1621         reg_class_superclasses and losing_caller_save_reg_set.
1622         (init_regs): Remove init_reg_autoinc.
1623         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1624         ok_for_base_p_nonstrict): Remove.
1625         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
1626         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
1627         corresponding entries.
1628         (dump_regclass, record_operand_costs, scan_one_insn,
1629         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1630         record_address_regs, auto_inc_dec_reg_p): Remove.
1631         (gt-regclass.h): Rename to gt-reginfo.h.
1632
1633         * rtl.h (dump_global_regs, retry_global_alloc,
1634         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1635
1636         * Makefile.in (RA_H): Remove.
1637         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1638         Rename regclass.o to reginfo.o.
1639         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
1640         gt-reginfo.h.
1641         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1642         (GTFILES): Rename regclass.c to reginfo.c.
1643
1644         * passes.c (init_optimization_passes): Remove pass_local_alloc and
1645         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
1646
1647         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1648         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1649         Remove flag_ira.
1650         (finish_spills): Ditto.  Remove code for !flag_ira.
1651         
1652 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
1653
1654         PR middle-end/35854
1655         * doc/invoke.texi (rtl debug options): Complete rewrite.
1656         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1657         to auto_inc_dec".
1658         * mode-switching.c (pass_mode_switching): Rename pass from
1659         "mode-sw" to "mode_sw".
1660         * except.c (pass_convert_to_eh_ranges): Rename pass from
1661         "eh-ranges" to "eh_ranges".
1662         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1663         to "subreg1".
1664                 
1665         
1666 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
1667             Alexander Monakov  <amonakov@ispras.ru>
1668
1669         PR middle-end/38857
1670         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1671         register.
1672         (move_exprs_to_boundary): Change return type and pass through
1673         should_move from move_op.  Relax assert.  Update usage ...
1674         (schedule_expr_on_boundary): ... here.  Use should_move instead of
1675         cant_move.
1676         (move_op_orig_expr_found): Indicate that insn was disconnected from
1677         stream.
1678         (code_motion_process_successors): Do not call after_merge_succs
1679         callback if original expression was not found when traversing any of
1680         the branches.
1681         (code_motion_path_driver): Change return type.  Update prototype.
1682         (move_op): Update comment.  Add a new parameter (should_move).  Update
1683         prototype.  Set *should_move based on indication provided by
1684         move_op_orig_expr_found.
1685
1686 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
1687
1688         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1689         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1690         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1691         * config/rs6000/rs6000.c (rs6000_override_options): Default
1692         avoid-indexed-addresses on for Power6, off for everything else.
1693         (avoiding_indexed_address_p): New function.
1694         (rs6000_legitimize_address): Use it.
1695         (rs6000_legitimate_address): Likewise.
1696         * config/rs6000/rs6000.md (movXX_updateX): Likewise
1697
1698 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
1699
1700         PR tree-optimization/38997
1701         * tree-loop-distribution.c (generate_memset_zero): Use
1702         POINTER_PLUS_EXPR for a pointer addition.
1703
1704 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
1705
1706         * config/s390/s390.md (bswap<mode>2): New pattern added.
1707
1708 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1709
1710         * config/s390/s390.md (*tls_load_31): Added type attribute.
1711
1712 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1713
1714         * config/s390/s390.md: Fix a few comments.
1715
1716 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
1717
1718         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
1719         (*tm<mode>_full): Fixed z10prop attribute.
1720         (*tst<mode>_extimm): Fixed z10prop attribute.
1721         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
1722         (*tstqiCCT_cconly): Fixed z10prop attribute.
1723         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
1724         (*movsi_larl): Fixed z10prop attribute.
1725         (*movsi_zarch): Fixed z10prop attribute.
1726         (*movsi_eas): Fixed z10prop attribute.
1727         (*movhi): Fixed z10prop attribute.
1728         (*movqi): Fixed z10prop attribute.
1729         (*movstrictqi): Fixed z10prop attribute.
1730         (*mov<mode>): Fixed z10prop attribute.
1731         (*movcc): Fixed z10prop attribute.
1732         (*sethighpartdi_64): Fixed z10prop attribute.
1733         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
1734         (*negdi2_sign_cc): Fixed z10prop attribute.
1735         (*negdi2_sign): Fixed z10prop attribute.
1736         (*absdi2_sign_cc): Fixed z10prop attribute.
1737         (*absdi2_sign): Fixed z10prop attribute.
1738         (*negabsdi2_sign_cc): Fixed z10prop attribute.
1739         (*negabsdi2_sign): Fixed z10prop attribute.
1740         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
1741         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
1742         (doloop_si64): Fixed z10prop attribute.
1743         (doloop_si31): Fixed z10prop attribute.
1744         (doloop_long): Fixed z10prop attribute.
1745         (indirect_jump): Fixed z10prop attribute.
1746         (nop): Fixed z10prop attribute.
1747         (main_base_64): Fixed z10prop attribute.
1748         (reload_base_64): Fixed z10prop attribute.
1749
1750 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
1751
1752         PR rtl-optimization/38740
1753         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
1754         if !optimize.
1755         * config/mips/mips.c (mips_reorg): Likewise.
1756
1757 2009-01-28  Richard Guenther  <rguenther@suse.de>
1758
1759         PR tree-optimization/38926
1760         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
1761         with the correct value id to a value.
1762         (do_regular_insertion): Use the value number of edoubleprime
1763         for the value number of the expr.
1764
1765         Revert
1766         2008-08-21  Richard Guenther  <rguenther@suse.de>
1767
1768         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
1769         a PHI ask VN if it is already available.
1770         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
1771         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
1772
1773 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
1774
1775         PR middle-end/38934
1776         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
1777         set to varying whenever max has TREE_OVERFLOW set, similarly
1778         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
1779
1780 2009-01-28  Richard Guenther  <rguenther@suse.de>
1781
1782         PR middle-end/38908
1783         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
1784         uninitialized aggregate uses in call arguments.
1785
1786 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
1787
1788         PR tree-optimization/38984
1789         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
1790         the nothing_id variable if -fno-delete-null-pointer-checks.
1791
1792 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
1793
1794         PR target/38988
1795         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
1796         (set_got_offset_rex64): Ditto.
1797
1798 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
1799
1800         PR target/38941
1801         * doc/extend.texi: Improve local variable with asm reg.
1802
1803 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
1804
1805         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
1806         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
1807         was not supplied then set warn_packed_bitfield_compat to the
1808         default value of 1.
1809         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
1810         against 1.
1811
1812 2009-01-27  Richard Guenther  <rguenther@suse.de>
1813
1814         PR tree-optimization/38503
1815         * cfgexpand.c (expand_gimple_basic_block): Ignore
1816         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
1817         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
1818         variables that cannot have TBAA applied.
1819         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
1820         statements.
1821
1822 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
1823
1824         PR middle-end/38969
1825         * calls.c (initialize_argument_information): Do not wrap complex
1826         arguments in SAVE_EXPR.
1827
1828 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
1829
1830         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
1831         (INSTALL_LIBGCC): Revert typo commit.
1832
1833 2009-01-26  Richard Guenther  <rguenther@suse.de>
1834
1835         PR tree-optimization/38745
1836         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
1837         from special handling.
1838
1839 2009-01-26  Richard Guenther  <rguenther@suse.de>
1840
1841         PR tree-optimization/38745
1842         * tree-ssa.c (execute_update_addresses_taken): Do not include
1843         variables that cannot possibly be a register in not_reg_needs.
1844         Do not clear TREE_ADDRESSABLE on vars that may not become
1845         registers.
1846         * tree-ssa.c (update_alias_info_1): Include those in the set
1847         of addressable vars.
1848
1849 2009-01-26  Richard Guenther  <rguenther@suse.de>
1850
1851         PR middle-end/38851
1852         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
1853         * tree-ssa-dse.c: Include langhooks.h
1854         (execute_simple_dse): Remove stores with zero size.
1855
1856 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
1857
1858         PR c/38957
1859         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
1860         as PLUS_EXPR.
1861
1862 2009-01-24  Julian Brown  <julian@codesourcery.com>
1863
1864         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
1865         config/arm/linux-atomic.c.
1866         * config/arm/linux-atomic.c: New.
1867
1868 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
1869
1870         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
1871         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
1872         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
1873
1874 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
1875
1876         PR c/38938
1877         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
1878         properly.
1879
1880 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
1881
1882         PR tree-optimization/38953
1883         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
1884         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
1885         (gloog): Split the exit of the scop when the scop exit is a loop exit.
1886         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
1887         changed the CFG.
1888
1889 2009-01-24  Paul Brook  <paul@codesourcery.com>
1890
1891         * config/arm/neon.md (neon_type): Move to arm.md.
1892         (neon_mov<VSTRUCT>): Add neon_type attribute.
1893         * config/arm/arm.md (neon_type): Move to here.
1894         (conds): Add "unconditioal" and use as default for NEON insns.
1895
1896 2009-01-24  Ben Elliston  <bje@au.ibm.com>
1897
1898         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
1899         void *' warning from -Wc++-compat.
1900         * Makefile.in (dominance.o-warn): Remove.
1901
1902 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
1903
1904         PR tree-optimization/38932
1905         * fold-const.c (fold_unary_ignore_overflow): New.
1906         * tree.h (fold_unary_ignore_overflow): Declare.
1907         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
1908         * tree-ssa-sccvn.c (visit_reference_op_load,
1909         simplify_unary_expression): Likewise.
1910
1911 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
1912
1913         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
1914         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
1915         regardless of their type.
1916         * c-common.c (handle_packed_attribute): Don't ignore packed on
1917         bitfields.
1918         * c.opt (Wpacked-bitfield-compat): New warning option.
1919         * stor-layout.c (place_field): Warn if offset of a field changed.
1920         * doc/extend.texi (packed): Mention the ABI change.
1921         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
1922         (Warning Options): Add it to the list.
1923
1924 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1925
1926         * c-opts.c (c_common_post_options): Fix a typo in comments.
1927
1928 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
1929
1930         PR middle-end/38615
1931         * gimplify.c (gimplify_init_constructor): Fix promotion of const
1932         variables to static.
1933         * doc/invoke.texi (-fmerge-all-constants): Update description.
1934
1935 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
1936
1937         PR target/38931
1938         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
1939         (*movdi_1_rex64): Use type "mmx" for alternative 5.
1940
1941 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
1942
1943         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
1944         a word boundary.
1945         (LOCAL_ALIGNMENT): Similarly.
1946
1947 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
1948             Joseph Myers  <joseph@codesourcery.com>
1949
1950         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
1951         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
1952         * config/arm/arm-tune.md: Regenerate.
1953         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
1954         -march=iwmmxt2.
1955
1956 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
1957
1958         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
1959         version number to five.
1960
1961 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
1962
1963         PR c++/38930
1964         * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
1965         * c-common.c (set_underlying_type): Likewise.
1966         (is_typedef_decl ): Likewise
1967         * tree.h: Likewise
1968         (set_underlying_type): Likewise.
1969         (is_typedef_type): Likewise.
1970
1971 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
1972
1973         PR middle-end/38587
1974         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
1975         crossing setjmps.
1976
1977 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
1978
1979         PR bootstrap/37660
1980         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
1981         (LIBGCC_SPEC):  Don't define.
1982         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
1983
1984 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
1985
1986         PR rtl-optimization/38879
1987         * alias.c (base_alias_check): Unaligned access via AND address can
1988         alias all surrounding object types except those with sizes equal
1989         or wider than the size of unaligned access.
1990
1991 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
1992
1993         PR c++/26693
1994         * c-decl.c: (clone_underlying_type): Move this ...
1995         * c-common.c (set_underlying_type): ... here.
1996         Also, make sure the function properly sets TYPE_STUB_DECL() on
1997         the newly created typedef variant type.
1998         (is_typedef_decl ): New entry point.
1999         * tree.h: Added a new member member_types_needing_access_check to
2000         struct tree_decl_non_common.
2001         (set_underlying_type): New entry point.
2002         (is_typedef_type): Likewise.
2003
2004 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
2005
2006         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2007         Check whether two instructions have memory references that
2008         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
2009         are helper functions for traversing.
2010         * alias.h (insn_alias_sets_confilict_p): New prototypes.
2011         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2012         not to draw dependency edge for instructions with non-conflicting
2013         alias sets.
2014
2015 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
2016
2017         PR other/38758
2018         * longlong.h: Update copyright years.  Use soft-fp license notice.
2019         Sync __clz_tab declaration with glibc.
2020
2021 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
2022
2023         PR target/30687
2024         * doc/extend.texi (syscall_linkage): New.
2025         (version_id): Modify.
2026
2027 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2028             Richard Guenther  <rguenther@suse.de>
2029
2030         PR tree-optimization/38747
2031         PR tree-optimization/38748
2032         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2033         conversion if the base address is an indirect reference and the
2034         aliasing sets could cause issues.
2035
2036 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2037
2038         * common.opt (fgraphite, fgraphite-identity): Add comment for 
2039         explaining why these options are not documented.
2040
2041 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2042
2043         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2044         gimple_call_lhs is NULL.
2045
2046 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
2047
2048         PR target/38868
2049         * emit-rtl.c (adjust_address_1): Make sure memref is never
2050         overwritten.
2051
2052 2009-01-20  Ben Elliston  <bje@au.ibm.com>
2053
2054         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2055         const qualifier from arg parameter. Remove unnecessary cast to char *.
2056         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2057         const qualifier from arg 2.
2058
2059 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
2060
2061         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2062
2063 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2064
2065         PR c/38869
2066         * rtl.h (reinit_regs): New prototype.
2067         * regclass.c: Include ira.h.
2068         (reinit_regs): New.
2069         * Makefile.in (regclass.o): Add ira.h.
2070         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2071
2072 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
2073
2074         PR target/38736
2075         * c-common.c (handle_aligned_attribute): Use
2076         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2077         default alignment value.
2078
2079         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2080
2081         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2082         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2083
2084         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
2085         __BIGGEST_ALIGNMENT__.
2086
2087         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2088
2089 2009-01-18  Richard Guenther  <rguenther@suse.de>
2090
2091         PR tree-optimization/38819
2092         * tree-flow.h (operation_could_trap_helper_p): Declare.
2093         * tree-eh.c (operation_could_trap_helper_p): Export.
2094         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2095         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2096         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2097         are about to insert a possibly trapping instruction and fail
2098         in this case.
2099
2100 2009-01-18  Andreas Schwab  <schwab@suse.de>
2101
2102         * doc/install.texi (Configuration): Remove obsolete paragraph
2103         about use of --with-gnu-ld with --with-gnu-as.
2104
2105 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
2106
2107         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2108         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2109         Follow spelling conventions.
2110
2111 2009-01-18  Ben Elliston  <bje@au.ibm.com>
2112
2113         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2114         C++ warning about implicit conversion from void * to struct
2115         bitmap_head_def *.
2116         (bitmap_obstack_free): Likewise for bitmap_element *.
2117         * Makefile.in (bitmap.o-warn): Remove.
2118
2119 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
2120
2121         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
2122
2123 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
2124             Tobias Grosser  <tobi.grosser@amd.com>
2125
2126         * graphite.c (graphite_trans_scop_block): Do not block single
2127         nested loops.
2128
2129 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
2130
2131         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2132         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2133         test with assertion.
2134
2135 2009-01-16  Richard Guenther  <rguenther@suse.de>
2136
2137         PR tree-optimization/38835
2138         PR middle-end/36227
2139         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2140         and INT + PTR -> (INT)(PTR p+ INT) folding.
2141         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2142
2143 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
2144
2145         PR target/38554
2146         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2147         the subreg from a lowpart subreg if it is also casting the value.
2148
2149 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2150             Tobias Grosser  <tobi.grosser@amd.com>
2151
2152         * graphite.c (compare_prefix_loops): New.
2153         (build_scop_canonical_schedules): Rewritten.
2154         (graphite_transform_loops): Move build_scop_canonical_schedules
2155         after build_scop_iteration_domain.
2156
2157 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2158             Tobias Grosser  <tobi.grosser@amd.com>
2159
2160         * graphite.c (add_conditions_to_domain): Add the loops to 
2161         the dimension of the iteration domain.  Do copy the domain
2162         only when it exists.
2163         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2164         (add_conditions_to_constraints): New.
2165         (can_generate_code_stmt, can_generate_code): Removed.
2166         (gloog): Do not call can_generate_code.
2167         (graphite_transform_loops): Call add_conditions_to_constraints
2168         after building the iteration domain.
2169
2170 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
2171
2172         PR tree-optimization/38789
2173         * tree-ssa-threadedge.c
2174         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2175         __builtin_constant_p.
2176
2177 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
2178
2179         * dce.c (delete_unmarked_insns): Reversed the order that insns are
2180         examined before deleting them.
2181         
2182 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
2183
2184         * function.c (aggregate_value_p): Correctly extract the function
2185         type from CALL_EXPR_FN lookup.
2186
2187 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
2188
2189         * config/picochip/picochip.c (picochip_override_options): Revert
2190         CFI asm flag disable commited previously.
2191
2192 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2193             Tobias Grosser  <tobi.grosser@amd.com>
2194             Jan Sjodin  <jan.sjodin@amd.com>
2195
2196         * graphite.c (scan_tree_for_params): On substractions negate
2197         all the coefficients of the term.
2198         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2199         of more than two operands.
2200         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2201         (get_vdef_before_scop): Handle also the case of default definitions.
2202
2203 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2204
2205         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2206         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2207         Also use them when walking CALL_INSN_FUNCTION_USAGE.
2208
2209 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
2210             Joey Ye  <joey.ye@intel.com>
2211
2212         PR middle-end/37843
2213         * cfgexpand.c (expand_stack_alignment): Don't update stack
2214         boundary nor check incoming stack boundary here.
2215         (gimple_expand_cfg): Update stack boundary and check incoming
2216         stack boundary here.
2217
2218 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
2219
2220         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2221         
2222 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
2223
2224         PR rtl-optimization/38245
2225         * calls.c (expand_call): Add stack arguments to
2226         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2227         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2228         in regs and partially in memory or BLKmode arguments.
2229         (emit_library_call_value_1): Add stack arguments to
2230         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2231         ACCUMULATE_OUTGOING_ARGS).
2232         * dce.c: Include tm_p.h.
2233         (find_call_stack_args): New function.
2234         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
2235         argument.
2236         (mark_insn): Call find_call_stack_args for CALL_Ps.
2237         (prescan_insns_for_dce): Walk insns backwards in bb rather than
2238         forwards.  Allocate and free arg_stores bitmap if needed, pass it
2239         down to deletable_insn_p, don't mark stores set in arg_stores
2240         bitmap, clear the bitmap at the beginning of each bb.
2241         * Makefile.in (dce.o): Depend on $(TM_P_H).
2242
2243 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
2244
2245         PR target/22599
2246         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2247         to make sure the insn is a conditional test (bug 22599).  Reformat a
2248         few long lines.
2249
2250 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2251
2252         PR middle-end/38431
2253         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2254         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2255         (gloog): Do not call cleanup_tree_cfg.
2256         (graphite_transform_loops): Call cleanup_tree_cfg after all 
2257         scops have been code generated.
2258
2259 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
2260         * doc/gty.texi (Invoking the garbage collector): Added new node
2261         and section documenting ggc_collect.
2262
2263 2009-01-14  Richard Guenther  <rguenther@suse.de>
2264
2265         PR tree-optimization/38826
2266         PR middle-end/38477
2267         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2268         initialization notes only if we actually emitted a warning.
2269         (intra_create_variable_infos): Add constraints for a result decl
2270         that is passed by hidden reference.
2271         (build_pred_graph): Mark all related variables non-direct on
2272         address-taking.
2273
2274 2009-01-14  Nick Clifton  <nickc@redhat.com>
2275
2276         * ira-conflicts.c: Include addresses.h for the definition of
2277         base_reg_class.
2278         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2279         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2280
2281 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
2282
2283         PR target/38811
2284         * Makefile.in (ira-lives.o): Add except.h.
2285
2286         * ira-lives.c: Include except.h.
2287         (process_bb_node_lives): Process can_throw_internal.
2288
2289 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
2290
2291         PR rtl-optimization/38774
2292         * combine.c (simplify_set): When undoing cc_use change, don't do
2293         PUT_CODE on the newly created comparison, but instead put back the
2294         old comparison.
2295
2296 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
2297
2298         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2299         values.  Remove duplicate arm8 entry.
2300
2301 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2302
2303         PR tree-optimization/38786
2304         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2305         the SSA_NAME case of expand_scalar_variables_expr.
2306         Set the type of an expression to the type of its assign statement.
2307         (expand_scalar_variables_expr): Also gather the scalar computation
2308         used to index the memory access.  Do not pass loop_p.
2309         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2310         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2311         the gimple_stmt_iterator where it inserts new code.
2312         Do not pass loop_p.
2313         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2314         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2315
2316 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2317
2318         * graphite.h (debug_value): Removed.
2319         * graphite.c (debug_value): Removed.
2320
2321 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2322
2323         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2324         ldrd/strd with two 32-bit instructions.
2325
2326 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2327
2328         * config/arm/arm.c (struct processors): Pass for speed down into
2329         cost helper functions.
2330         (const_ok_for_op): Handle COMPARE and inequality nodes.
2331         (arm_rtx_costs_1): Rewrite.
2332         (arm_size_rtx_costs): Update prototype.
2333         (arm_rtx_costs): Pass speed down to helper functions.
2334         (arm_slowmul_rtx_costs): Rework cost calculations.
2335         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2336         (arm_9e_rtx_costs): Likewise.
2337
2338 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
2339
2340         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2341         relocations of local symbols wider than UNITS_PER_WORD are not valid.
2342         (alpha_legitimize_address): Do not split local symbols wider than
2343         UNITS_PER_WORD into HIGH/LO_SUM parts.
2344
2345 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
2346
2347         PR bootstrap/38580
2348         * gcc.c (process_command): Replace call to execvp with calls
2349         to pex_one and exit.
2350
2351 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
2352
2353         PR target/29141
2354         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2355         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2356         variant for devices with 3-byte PC.
2357         (__tablejump_elpm__) : New.
2358
2359 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2360
2361         PR c/32041
2362         * c-parser.c (c_parser_postfix_expression): Allow `->' in
2363         offsetof member-designator, handle it as `[0].'.
2364
2365 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2366
2367         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2368         function when not using named sections on targets with named sections
2369         if branch distance is less than 262132.
2370
2371 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
2372
2373         * combine.c (combine_instructions):  Recompute
2374         optimize_this_for_speed_p  for each BB in the main combine loop.
2375
2376 2009-01-12  Tomas Bily  <tbily@suse.cz>
2377
2378         PR middlend/38385
2379         * tree-loop-distribution.c (prop_phis): New function.
2380         (generate_builtin): Call prop_phis.
2381         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2382
2383 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2384
2385         PR tree-optimization/38807
2386         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2387         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2388
2389 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
2390
2391         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2392         subreg of op0 to the original op0.
2393
2394 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
2395
2396         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2397         
2398 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
2399
2400         PR debug/7055
2401         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2402         starting with digits.
2403
2404 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
2405
2406         PR target/38695
2407         * config/arm/arm.c (arm_is_long_call_p): Don't call
2408         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2409
2410 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
2411
2412         * regrename.c (regrename_optimize): Fix dumping.
2413         (find_oldest_value_reg): Preserve REG_POINTER.
2414         (copy_hardreg_forward_1): Likewise.
2415
2416 2009-01-09  Diego Novillo  <dnovillo@google.com>
2417
2418         * gimple.h (struct gimple_statement_base) <uid>: Document
2419         the restrictions on its use.
2420         (gimple_uid): Tidy.
2421         (gimple_set_uid): Tidy.
2422
2423 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2424
2425         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2426         zero guard even if align_bytes != 0 and count is smaller than
2427         size_needed.
2428
2429 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
2430
2431         PR rtl-optimization/38495
2432         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2433         (add_range_and_copies_from_move_list): Print all added ranges.
2434         Add ranges to memory optimized destination.
2435
2436 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2437
2438         PR target/38686
2439         PR target/38708
2440         * config/i386/i386.c (override_options): Reject
2441         -mstringop-strategy=rep_8byte with -m32.
2442         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2443         to 1.  Do count comparison against epilogue_size_needed at compile
2444         time even when count_exp was constant forced into register.  For
2445         size_needed don't jump to epilogue, instead just avoid aligning
2446         and invoke the body algorithm.  If need_zero_guard, add zero guard
2447         even if count is non-zero, but smaller than size_needed + number of
2448         bytes that could be stored for alignment.
2449         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2450         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
2451         but smaller than size_needed + number of bytes that could be stored
2452         for alignment.  Compare size_needed with epilogue_size_needed instead
2453         of desired_align - align, don't adjust size_needed, pass
2454         epilogue_size_needed to the epilogue expanders.
2455
2456         PR c/35742
2457         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2458
2459 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2460
2461         * pa.c (last_address): Change to unsigned.
2462         (update_total_code_bytes): Change argument to unsigned.  Don't
2463         check if insn addresses are set.
2464         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2465         addresses are not set.
2466         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2467
2468 2009-01-09  Nick Clifton  <nickc@redhat.com>
2469
2470         * config/sh/symbian.c: Replace uses of DECL_INLINE with
2471         DECL_DECLARED_INLINE_P.
2472
2473 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2474
2475         PR middle-end/38347
2476         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2477         GET_MODE (op0) in operand_subword_force calls.
2478
2479         PR middle-end/38771
2480         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2481         fold_convert arg0 operands to TREE_TYPE (op0) first.
2482
2483 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
2484
2485         * params.def (ira-max-conflict-table-size): Decrease default value
2486         to 1000.
2487
2488 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
2489
2490         PR tree-optimization/37031
2491         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2492         on parameter_set.
2493         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2494         allocate it using gc instead of heap, use VEC_quick_push instead of
2495         VEC_safe_push.
2496         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2497         instead of heap, use VEC_quick_push instead of VEC_safe_push.
2498         * tree-data-ref.h (struct access_matrix): Change matrix to gc
2499         allocated vector from heap allocated.
2500         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2501         * tree-loop-linear.c (linear_transform_loops): Allocate nest
2502         vector only after perfect_loop_nest_depth call.
2503
2504 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2505             Jan Sjodin  <jan.sjodin@amd.com>
2506
2507         PR tree-optimization/38559
2508         * graphite.c (debug_value, copy_constraint,
2509         swap_constraint_variables, scale_constraint_variable, ): New.
2510         (get_lower_bound, get_upper_bound): Removed.
2511         (graphite_trans_bb_strip_mine): Clean up this code that works
2512         only for constant number of iterations.  Fully copy upper and
2513         lower bound constraints, not only the constant part of them.
2514         * graphite.h (debug_value): Declared.
2515
2516 2009-01-08  Ira Rosen  <irar@il.ibm.com>
2517
2518         PR tree-optimization/37194
2519         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2520         Don't add the cost of cost model guard in prologue to scalar 
2521         outside cost in case of known number of iterations.
2522
2523 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
2524             Alan Modra  <amodra@bigpond.net.au>
2525
2526         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2527         non-word-aligned REG+CONST addressing.
2528
2529 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2530
2531         PR target/38706
2532         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2533         free_after_compilation when outputting a thunk.
2534         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2535         Do not call free_after_compilation here.
2536
2537 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2538
2539         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2540         (ix86_valid_target_attribute_inner_p): Ditto.
2541
2542 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
2543
2544         PR tree-optimization/38492
2545         PR tree-optimization/38498
2546         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2547         * tree-chrec.h (scev_is_linear_expression): Declared.
2548         * graphite.c (graphite_cannot_represent_loop_niter): New.
2549         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2550         (graphite_loop_normal_form): Use gcc_assert.
2551         (scan_tree_for_params): Use CASE_CONVERT.
2552         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2553         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2554         Use gcc_assert.  Discard scops that contain unhandled cases.
2555         (build_scop_conditions): Return a boolean status for unhandled cases.
2556         (strip_mine_profitable_p): Print the loop number, not its depth.
2557         (is_interchange_valid): Pass the depth of the loop nest, don't
2558         recompute it wrongly.
2559         (graphite_trans_bb_block): Same.
2560         (graphite_trans_bb_block): Print tentative of loop blocking.
2561         (graphite_trans_scop_block): Do not print that the loop has been
2562         blocked.
2563         (graphite_transform_loops): Do not handle scops that contain condition
2564         scalar phi nodes.
2565
2566 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2567
2568         AVX Programming Reference (December, 2008)
2569         * config/i386/avxintrin.h (_mm256_stream_si256): New.
2570         (_mm256_stream_pd): Likewise.
2571         (_mm256_stream_ps): Likewise.
2572
2573         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2574         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2575         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2576         (bdesc_special_args): Add __builtin_ia32_movntdq256,
2577         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2578         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2579         (ix86_expand_special_args_builtin): Likewise.
2580
2581         * config/i386/sse.md (AVXMODEDI): New.
2582         (avx_movnt<mode>): Likewise.
2583         (avx_movnt<mode>): Likewise.
2584         (<sse>_movnt<mode>): Remove AVX support.
2585         (sse2_movntv2di): Likewise.
2586
2587 2009-01-07  Richard Guenther  <rguenther@suse.de>
2588
2589         PR middle-end/38751
2590         * fold-const.c (extract_muldiv): Remove obsolete comment.
2591         (fold_plusminus_mult_expr): Undo MINUS_EXPR
2592         to PLUS_EXPR canonicalization for the canonicalization.
2593
2594 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
2595
2596         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2597         hosted cross-compilers generating less efficient code.
2598
2599 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2600
2601         * function.h (rtl_data): Add a dbr_scheduled_p field.
2602         * reorg.c (dbr_schedule): Set it.
2603         (gate_handle_delay_slots): Check it.
2604         * config/mips/mips.c (mips_base_delayed_branch): Delete.
2605         (mips_reorg): Check flag_delayed_branch instead of
2606         mips_base_delayed_branch.
2607         (mips_override_options): Don't set mips_base_delayed_branch
2608         or flag_delayed_branch.
2609
2610 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2611
2612         PR rtl-optimization/38426.
2613         * ira.c (ira): Set current_function_is_leaf earlier.
2614
2615 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
2616
2617         PR rtl-optimization/38722
2618         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2619         too early, only set a flag and modify after last possible
2620         undo_all point.
2621
2622 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
2623
2624         PR c/34252
2625         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2626         * real.c (decimal_single_format): Correct values of emin and emax.
2627         (decimal_double_format): Ditto.
2628         (decimal_quad_format): Ditto.
2629         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2630         computation of DECnn_MIN and DECnn_MAX for corrected values of
2631         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
2632         __DECnn_MIN__, and adjust its computation for the corrected value
2633         of emin.
2634
2635 2009-01-06  Jan Hubicka  <jh@suse.cz>
2636
2637         PR target/38744
2638         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2639
2640 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
2641
2642         * doc/contrib.texi (Contributors): Slightly adjust the end note.
2643         Add Robert Clark to the list of testers.
2644
2645 2009-01-06  Jan Hubicka  <jh@suse.cz>
2646             Kai Tietz  <kai.tietz@onevision.com>
2647
2648         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2649         * config/i386/i386.c (ix86_expand_call): Add clobbers.
2650
2651 2009-01-06  Jan Hubicka  <jh@suse.cz>
2652             Kai Tietz  <kai.tietz@onevision.com>
2653
2654         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2655         for w64 ABI.
2656         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2657         (ix86_nsaved_regs): Count only general purpose regs.
2658         (ix86_nsaved_sseregs): New.
2659         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2660         to 16 for w64; compute padding and size of sse reg save area.
2661         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2662         general purpose regs.
2663         (ix86_emit_save_sse_regs_using_mov): New.
2664         (ix86_expand_prologue): Save SSE regs if needed.
2665         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2666         (ix86_emit_restore_sse_regs_using_mov): New.
2667         (ix86_expand_epilogue): Save SSE regs if needed.
2668
2669 2009-01-06  Jan Hubicka  <jh@suse.cz>
2670             Kai Tietz  <kai.tietz@onevision.com>
2671
2672         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2673         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2674         functions when accumulate outgoing args is off.
2675
2676 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
2677
2678         PR bootstrap/38742
2679         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2680         before using pseudos_have_intersected_live_ranges_p.
2681
2682         * ira-int.h (ira_assert): Always define.
2683
2684 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
2685
2686         AVX Programming Reference (December, 2008)
2687         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2688         (_mm256_permute2_pd): Likewise.
2689         (_mm_permute2_ps): Likewise.
2690         (_mm256_permute2_ps): Likewise.
2691         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2692         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2693
2694         * config/i386/i386.c (ix86_builtins): Remove
2695         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2696         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2697         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
2698         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
2699         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
2700         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
2701         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
2702         __builtin_ia32_vpermil2ps256.
2703         (ix86_init_mmx_sse_builtins): Updated.
2704         (ix86_expand_args_builtin): Likewise.
2705
2706 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2707
2708         * pa.c (output_call): Relocate non-jump insns in the delay slot of
2709         long absolute calls when generating PA 2.0 code.
2710
2711 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
2712
2713         PR rtl-optimization/38583
2714         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
2715
2716         * params.def (ira-max-conflict-table-size): New.
2717
2718         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
2719         
2720         * ira.h (ira_conflicts_p): New external definition.
2721         
2722         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
2723         table.  Report this.  Return result of building.
2724         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
2725         building conflict table.
2726
2727         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
2728         (ira_color): Use ira_conflicts_p.
2729         
2730         * global.c: Include ira.h.
2731         (pseudo_for_reload_consideration_p, build_insn_chain): Use
2732         ira_conflicts_p.
2733
2734         * Makefile.in (global.o): Add ira.h.
2735         
2736         * ira-build.c (mark_all_loops_for_removal,
2737         propagate_some_info_from_allocno): New.
2738         (remove_unnecessary_allocnos): Call
2739         propagate_some_info_from_allocno.
2740         (remove_low_level_allocnos): New.
2741         (remove_unnecessary_regions): Add parameter.  Call
2742         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
2743         parameter to remove_unnecessary_regions.
2744         (ira_build): Remove all regions but root if the conflict table was
2745         not built.  Update conflict hard regs for allocnos crossing calls.
2746
2747         * ira.c (ira_conflicts_p): New global.
2748         (ira): Define and use ira_conflicts_p.
2749
2750         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2751         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
2752         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
2753         
2754 2009-01-06  Ben Elliston  <bje@au.ibm.com>
2755
2756         * gengtype-lex.l (YY_NO_INPUT): Define.
2757
2758 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2759
2760         PR c/34911
2761         * c-common.c (handle_vector_size_attribute): Also reject
2762         BOOLEAN_TYPE types.
2763
2764 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
2765
2766         PR tree-optimization/38492
2767         * graphite.c (rename_map_elt, debug_rename_elt,
2768         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
2769         rename_map_elt_info, eq_rename_map_elts,
2770         get_new_name_from_old_name, bb_in_sese_p): Moved around.
2771         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
2772         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
2773         (sese_build_livein_liveouts): New.
2774         (new_sese, free_sese): New.
2775         (new_scop): Call new_sese.
2776         (free_scop): Call free_sese.
2777         (rename_variables_from_edge, rename_phis_end_scop): Removed.
2778         (register_old_new_names): Renamed register_old_and_new_names.
2779         (register_scop_liveout_renames, add_loop_exit_phis,
2780         insert_loop_close_phis, struct igp,
2781         default_liveout_before_guard, add_guard_exit_phis,
2782         insert_guard_phis, copy_renames): New.
2783         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
2784         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
2785         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
2786         (scop_adjust_phis_for_liveouts): New.
2787         (gloog): Call scop_adjust_phis_for_liveouts.
2788
2789         * graphite.h (struct sese): Documented.  Added fields liveout,
2790         num_ver and livein.
2791         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
2792         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
2793         (struct scop): Added field liveout_renames.
2794         (SCOP_LIVEOUT_RENAMES): New.
2795
2796 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2797
2798         PR tree-optimization/38510
2799         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
2800         (translate_clast): Call recompute_all_dominators before
2801         graphite_verify.
2802         (gloog): Call recompute_all_dominators before graphite_verify.
2803
2804 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2805             Jan Sjodin  <jan.sjodin@amd.com>
2806
2807         PR tree-optimization/38500
2808         * graphite.c (create_sese_edges): Call fix_loop_structure after
2809         splitting blocks.
2810
2811 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
2812
2813         * config.gcc: Add m32r*-*-rtems*.
2814         * config/m32r/rtems.h: New file.
2815
2816 2009-01-05  Ben Elliston  <bje@au.ibm.com>
2817
2818         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
2819         (.po.pox): Likewise.
2820         (po/gcc.pot): Likewise.
2821
2822 2009-01-04  David S. Miller  <davem@davemloft.net>
2823
2824         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
2825         (STARTING_FRAME_OFFSET): Always set to zero.
2826
2827 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
2828
2829         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
2830         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
2831         fixed-point types, and vectors of the same.
2832
2833 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
2834
2835         * config/mips/sync.md (*mb_barrier): Rename to...
2836         (*memory_barrier): ...this.
2837
2838 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
2839
2840         * doc/extend.texi (Function Attributes): Move @cindex after @item
2841         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
2842         and put in alphabetical order. Fix 'target' name and put in order.
2843         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
2844         typos.
2845
2846 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
2847
2848         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
2849         (memory_barrier): Expand as unspec instead of unspec_volatile.
2850         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2851         (*memory_barrier): Define as unspec instead of unspec_volatile.
2852         Use (match_dup 0) as input operand.
2853
2854         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
2855         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
2856         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
2857         scratch register.  Remove operand 1.
2858         (*stbar): Define as unspec instead of unspec_volatile.
2859         Use (match_dup 0) as input operand, remove (const_int 8).
2860         (*membar): Define as unspec instead of unspec_volatile.
2861         Use (match_dup 0) as input operand, remove input operand 2.
2862
2863         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
2864         (memory_barrier): Expand as unspec instead of unspec_volatile.
2865         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2866         (*memory_barrier): Define as unspec instead of unspec_volatile.
2867         Use (match_dup 0) as input operand.
2868
2869         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
2870         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2871         Set volatile flag on operand 0.
2872         (*memory_barrier): New insn pattern.
2873
2874         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
2875         insn operands.
2876         (*memory_barrier): Use (match_dup 0) as input operand.
2877
2878         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
2879         Remove mem:BLK from insn operands.  Use Pmode scratch register.
2880         Set volatile flag on operand 0.
2881         (*mb_internal): New insn pattern.
2882
2883         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
2884
2885 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
2886
2887         PR middle-end/38586
2888         * function.c (struct temp_slot): Move to the section of the file
2889         that deals with temp slots.  Remove field 'address'.
2890         (temp_slot_address_table): New hash table of address -> temp slot.
2891         (struct temp_slot_address_entry): New struct, items for the table.
2892         (temp_slot_address_compute_hash, temp_slot_address_hash,
2893         temp_slot_address_eq, insert_temp_slot_address): Support functions
2894         for the new table.
2895         (find_temp_slot_from_address): Rewrite to use the new hash table.
2896         (remove_unused_temp_slot_addresses): Remove addresses of temp
2897         slots that have been made available.
2898         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
2899         worker function for remove_unused_temp_slot_addresses.
2900         (assign_stack_temp_for_type): Don't clear the temp slot address list.
2901         Add the temp slot address to the address -> temp slot map.
2902         (update_temp_slot_address): Update via insert_temp_slot_address.
2903         (free_temp_slots): Call remove_unused_temp_slot_addresses.
2904         (pop_temp_slots): Likewise.
2905         (init_temp_slots): Allocate the address -> temp slot map, or empty
2906         the map if it is already allocated.
2907         (prepare_function_start): Initialize temp slot processing.
2908
2909 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
2910
2911         PR middle-end/38584
2912         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
2913         Calculate the size of all stack vars assuming no packing of stack
2914         vars will happen, replacing a quadratic algorithm with a linear one.
2915
2916 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
2917
2918         PR target/38707
2919         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
2920         can't be used.
2921
2922 2009-01-03  Diego Novillo  <dnovillo@google.com>
2923
2924         * doc/contrib.texi: Update contributions.
2925
2926 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
2927
2928         PR c++/38705
2929         * builtins.c (fold_builtin_memory_op): Give up if either operand
2930         is volatile.  Set srctype or desttype to non-qualified version
2931         of the other type.
2932
2933         PR c/38700
2934         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
2935         and FUNCTION_DECLs.
2936
2937 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
2938
2939         PR rtl-optimization/35805
2940         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
2941         problem if fast dce is able to remove any instructions.
2942         * dce.c (dce_process_block): Fix dump message.
2943         
2944 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
2945
2946         PR 33649
2947         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
2948
2949 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
2950
2951         PR middle-end/38690
2952         * tree-flow.h (op_code_prio, op_prio): New prototypes.
2953         * tree-pretty-print.c (op_code_prio): New function.
2954         (op_prio): No longer static.  Use op_code_prio.
2955         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
2956         Use op_prio and op_code_prio to determine if () should be
2957         printed around operand(s) or not.
2958
2959         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
2960         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
2961         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
2962         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
2963         pp_character instead of pp_string for single letter printing.
2964
2965 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
2966
2967         * doc/extend.texi: Fix '#pragma GCC option' typo.
2968
2969 2009-01-02  Richard Guenther  <rguenther@suse.de>
2970
2971         * doc/install.texi (--enable-checking): Mention different
2972         default for stage1.
2973         (--enable-stage1-checking): Document.
2974
2975 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
2976
2977         PR middle-end/30142
2978         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
2979         case to be an error.
2980
2981 2009-01-02  Ben Elliston  <bje@au.ibm.com>
2982
2983         * config/fp-bit.h (pack_d): Constify argument.
2984         * config/fp-bit.c (makenan): Constify return type. Remove casts.
2985         (isnan): Constify argument.
2986         (isinf): Likewise.
2987         (iszero): Likewise.
2988         (pack_d): Likewise.
2989         (_fpadd_parts): Constify return type.
2990         (_fpmul_parts): Likewise.
2991         (_fpdiv_parts): Likewise.
2992
2993 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
2994
2995         PR c/36489
2996         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
2997         warn about overwriting initializer with side-effects or
2998         -Woverride-init if !IMPLICIT.
2999         (output_init_element): Likewise.  Pass IMPLICIT down to
3000         add_pending_init.
3001         (process_init_element): Add IMPLICIT argument.  Pass it down
3002         to output_init_element.
3003         (push_init_element, pop_init_level, set_designator): Adjust
3004         process_init_element callers.
3005         (set_nonincremental_init, set_nonincremental_init_from_string):
3006         Adjust add_pending_init callers.
3007         (output_pending_init_elements): Adjust output_init_element callers.
3008         * c-tree.h (process_init_element): Adjust prototype.
3009         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3010         process_init_element callers.