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1 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
2
3         PR c++/34607
4         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
5         if DECL_INITIAL (decl) is error_mark_node.
6
7         PR c++/34914
8         * c-common.c (handle_vector_size_attribute): Only allow
9         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
10         the same way as pointer, array etc. types.
11         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
12
13         PR c++/34917
14         * tree.c (build_type_attribute_qual_variant): Call
15         build_qualified_type if attributes are equal, but quals are not.
16
17 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
18
19         PR 32102
20         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
21         * flags.h (warn_strict_aliasing): Remove.
22         (warn_strict_overflow): Remove.
23         * opts.c (warn_strict_aliasing): Remove.
24         (warn_strict_overflow): Remove.
25         * c-opts.c (c_common_handle_option): -Wall only sets
26         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
27         (c_common_post_options): Give default values to -Wstrict-aliasing
28         and -Wstrict-overflow if they are uninitialized.
29         * common.opt (Wstrict-aliasing): Specify Var and Init.
30         (Wstrict-overflow): Likewise.
31
32 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
33
34         PR rtl-optimization/26854
35         PR rtl-optimization/34400
36         PR rtl-optimization/34884
37         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
38         DF_RD->gen.
39         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
40         (df_rd_bb_info.expanded_lr_out): Deleted
41         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
42         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
43         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
44         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
45         Removed code to allocate, initialize or free expanded_lr_out.
46         (df_rd_bb_local_compute_process_def): Restructured to make more
47         understandable.
48         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
49         sets if the sets are being trimmed.
50
51 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
52
53         PR bootstrap/32287
54         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
55         (as_vers): Likewise.
56         * configure: Regenerated.
57
58 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
59
60         PR middle-end/33092
61         * tree-pass.h (pass_build_alias): New pass.
62         * tree-ssa-alias.c (gate_build_alias): New.
63         (pass_build_alias): New.
64         * passes.c (init_optimization_passes): Add pass_build_alias after
65         pass_create_structure_vars.
66
67 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
68
69         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
70         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
71         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
72         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
73         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
74         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
75         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
76         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
77         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
78         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
79         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
80         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
81         * config/s390/s390.md (FP_ALL): New mode iterator.
82         (_d): New mode attribute.
83         ("*signbit<mode>2>"): Changed mode of first operand.
84         ("isinf<mode>2"): Changed mode of first operand.
85         ("*TDC_insn"): Adaptation for DFP modes.
86
87 2008-01-22  Ben Elliston  <bje@au.ibm.com>
88
89         * tree.c (check_qualified_type): Improve function description.
90
91 2008-01-21  Jason Merrill  <jason@redhat.com>
92
93         PR c++/34196
94         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
95         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
96         if it is set.
97
98 2008-01-21  DJ Delorie  <dj@redhat.com>
99
100         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
101         return zero.
102
103 2008-01-21  Richard Guenther  <rguenther@suse.de>
104
105         PR middle-end/34856
106         * tree-cfg.c (verify_expr): Allow all invariant expressions
107         instead of just constant class ones as reference argument.
108         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
109         like any other constant.
110         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
111
112 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
113
114         * regmove.c (fixup_match_1): Update call crossed frequencies.
115
116 2008-01-21  Richard Guenther  <rguenther@suse.de>
117
118         PR c/34885
119         * tree-inline.c (setup_one_parameter): Deal with mismatched
120         types using a VIEW_CONVERT_EXPR.
121
122 2008-01-21  Alon Dayan  <alond@il.ibm.com>
123             Olga Golovanevsky  <olga@il.ibm.com>
124         
125         PR tree-optimization/34701
126         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
127         when the structure size is not a power of 2.
128
129 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
130
131         * doc/install.texi: Add doc for --enable-checking=df.
132         
133 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
134
135         PR rtl-optimization/34808
136         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
137
138 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
139
140         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
141         input.
142
143 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
144
145         PR rtl-optimization/26854
146         PR rtl-optimization/34400
147         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
148         DF_RD->gen.
149         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
150         (df_rd_bb_info.expanded_lr_out): New.
151         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
152         * loop_iv.c (iv_analysis_loop_init): Ditto.
153         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
154         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
155         Added code to allocate, initialize or free expanded_lr_out.
156         (df_rd_bb_local_compute_process_def): Restructured to make
157         more understandable.
158         (df_rd_confluence_n): Add code to do nothing with fake edges and
159         code to no apply invalidate_by_call sets if the sets are being trimmed.
160         (df_lr_local_finalize): Renamed to df_lr_finalize.
161         (df_live_local_finalize): Renamed to df_live_finalize.
162
163 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
164
165         PR target/34831
166         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
167         deciding whether to use reciprocal instructions.
168
169 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
170
171         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
172         dwarf2out_note_section_used if cold_text_section is NULL.
173
174 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
175
176         PR gcov-profile/34610
177         * tree-cfg.c (make_edges): Mark both outgoing edges from
178         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
179         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
180         from OMP_FOR and OMP_CONTINUE outgoing edges.
181
182         * tree-profile.c (tree_profiling): Return early if
183         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
184         at the end.
185         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
186         from cfun to child_cfun.
187         * function.h (struct function): Add after_tree_profile bit.
188
189 2008-01-19 Anatoly Sokolov <aesok@post.ru>
190
191         * config/avr/avr.S (_exit): Disable interrupt.
192
193 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
194             Steven Bosscher  <stevenb.gcc@gmail.com>
195
196         PR rtl-optimization/26854
197         PR rtl-optimization/34400
198         * df-problems.c (df_live_scratch): New scratch bitmap.
199         (df_live_alloc): Allocate df_live_scratch when doing df_live.
200         (df_live_reset): Clear the proper bitmaps.
201         (df_live_bb_local_compute): Only process the artificial defs once
202         since the order is not important.
203         (df_live_init): Init the df_live sets only with the variables
204         found live by df_lr.
205         (df_live_transfer_function): Use the df_lr sets to prune the
206         df_live sets as they are being computed.  
207         (df_live_free): Free df_live_scratch.
208
209 2008-01-18  Ian Lance Taylor  <iant@google.com>
210
211         * common.opt: Add fmerge-debug-strings.
212         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
213         flag_merge_debug_strings rather than flag_merge_constants.
214         * doc/invoke.texi (Option Summary): Mention
215         -fmerge-debug-strings.
216         (Debugging Options): Document -fmerge-debug-strings.
217
218 2008-01-18  Ian Lance Taylor  <iant@google.com>
219
220         PR c++/33407
221         * tree.h (DECL_IS_OPERATOR_NEW): Define.
222         (struct tree_function_decl): Add new field operator_new_flag.
223         * tree-inline.c (expand_call_inline): When inlining a call to
224         operator new, force the return value to go into a variable, and
225         set DECL_NO_TBAA_P on that variable.
226         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
227
228 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
229
230         PR debug/34484
231         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
232         DWARF2_DEBUGGING_INFO.
233         (dwarf2out_note_section_used): Ditto.  Add prototype.
234         (have_multiple_function_sections, text_section_used,
235         cold_text_section_used, *cold_text_sections): Move declarations
236         before their uses.
237
238 2007-01-17  Bob Wilson  <bob.wilson@acm.org>
239
240         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
241         field and add signal_ra.
242         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
243         assignments to frame state pc.  Move end of stack check after
244         MD_FALLBACK_FRAME_STATE_FOR.
245         (uw_update_context_1): Use frame state signal_regs if set, instead
246         of checking signal_frame flag.
247         (uw_update_context): Use frame state signal_ra if set.
248         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
249         * config/xtensa/linux-unwind.h: New file.
250
251 2007-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
252
253         * modulo-sched.c (get_sched_window): Fix comment typo.
254
255 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
256
257         PR tree-optimization/34648
258         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
259
260 2008-01-17  Anatoly Sokolov <aesok@post.ru>
261
262         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
263         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
264
265 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
266
267         PR rtl-optimization/34400
268         * df-core.c (df_worklist_dataflow_overeager,
269         df_worklist_dataflow_doublequeue): New functions.
270         (df_worklist_dataflow): Two different worklist solvers.
271         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
272         New param.
273
274 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
275
276         PR testsuite/34821
277         * doc/invoke.texi: Document the dependence on pthread for fopenmp
278         and ftree-parallelize-loops.
279
280 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
281
282         PR rtl-optimization/34826
283         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
284
285 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
286
287         * global.c (find_reg): Mark the eh regs as used if necessary.
288         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
289         * ra.h (struct allocno): no_eh_reg field added.  Changed
290         no_stack_reg type to bitfield.
291
292 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
293
294         * tree.c (substitute_in_expr): Add missing 'break'.
295
296 2008-01-17  Richard Guenther  <rguenther@suse.de>
297
298         PR tree-optimization/34825
299         * tree-ssa-math-opts.c (is_division_by): Do not recognize
300         x / x as division to handle.
301
302 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
303
304         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
305         "-pthread" is specified.
306         * pa-hpux11.h (LIB_SPEC): Likewise.
307
308 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
309             Peter Bergner  <bergner@vnet.ibm.com>
310
311         PR rtl-optimization/33796
312         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
313
314 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
315
316         PR libgfortran/34699
317         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
318         static links.
319         * pa-hpux10.h (LINK_SPEC): Likewise.
320         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
321
322 2008-01-16  Richard Guenther  <rguenther@suse.de>
323
324         PR middle-end/32628
325         * fold-const.c (fold_convert_const_int_from_int): Do not
326         set overflow if that occured only because of a sign extension
327         change when converting from/to a sizetype with the same
328         precision and signedness.
329
330 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
331
332         PR debug/34249
333         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
334         location address to the correct place.  Update copyright year.
335
336 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
337
338         * lambda-code.c (lambda_transform_legal_p): Handle the case of
339         no dependences in the dependence_relations vector.
340
341 2008-01-16  Jan Hubicka  <jh@suse.cz>
342
343         PR rtl-optimization/31396
344         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
345         * cfg.c (dump_reg_info): Print it.
346         * regs.h (struct reg_info_t): add freq_calls_crossed.
347         (REG_FREQ_CALLS_CROSSED): New macro.
348         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
349         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
350         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
351         regmove_optimize): Update call crossed frequencies.
352         * local-alloc.c (struct qty): Add freq_calls_crossed.
353         (alloc_qty): Copute freq_calls_crossed.
354         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
355         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
356         * ra.h (struct allocno): Add freq_calls_crossed.
357
358 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
359
360         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
361         libgomp when compiling with ftree-parallelize-loops.
362         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
363
364 2008-01-16  Richard Guenther  <rguenther@suse.de>
365
366         PR tree-optimization/34769
367         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
368         * tree.c (int_cst_value): Instead make this function more
369         permissive in what it accepts as valid input.  Document this
370         function always sign-extends the value.
371
372 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
373             Richard Guenther  <rguenther@suse.de>
374
375         PR c/34668
376         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
377         (gimple_fold_indirect_ref_rhs): ... this.
378         (gimple_fold_indirect_ref): New function with foldings
379         that preserve lvalueness.
380         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
381         * tree-flow.h (gimple_fold_indirect_ref): Declare.
382         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
383         to fold an INDIRECT_REF, fall back to the old use of
384         fold_indirect_ref_1.
385
386 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
387
388         * tree-data-ref.c (subscript_dependence_tester_1): Call 
389         free_conflict_function.
390         (compute_self_dependence): Same.
391
392 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
393
394         PR debug/34249
395         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
396         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
397         function global.
398         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
399         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
400         for DWARF2_UNWIND_INFO targets.
401
402 2008-01-16  Richard Guenther  <rguenther@suse.de>
403
404         PR c/34768
405         * c-typeck.c (common_pointer_type): Do not merge inconsistent
406         type qualifiers for function types.
407
408 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
409
410         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
411         loop_iterator li from previous commit.
412
413 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
414
415         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
416
417 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
418
419         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
420         (parallelize_loops): Don't parallelize irreducible components.
421
422 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
423
424         PR c++/24924
425         * c-opts (c_common_post_options): Do not enable CPP
426         flag_pedantic_errors by default.
427         
428 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
429
430         PR rtl-optimization/31944
431         * cse.c (remove_pseudo_from_table): New function.
432         (merge_equiv_classes): Use above function to remove pseudo-registers.
433         (invalidate): Likewise.
434
435 2008-01-13  Richard Guenther  <rguenther@suse.de>
436
437         PR middle-end/34601
438         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
439         instead of TYPE_MODE to deal with calls from expand_one_error_var.
440
441 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
442
443         * gcse.c (cprop_jump): Call validate_unshare_change instead of
444         validate_change to unshare the source of the PC set.
445
446 2008-01-12  Jan Hubicka  <jh@suse.cz>
447
448         PR middle-end/32135
449         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
450         references above array bounds.  This might trigger bounds checks for
451         pointers to arrays.
452
453 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
454
455         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
456         new_replaceable_dependencies.
457
458 2008-01-12  Doug Kwan  <dougkwan@google.com>
459
460         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
461         instead of OPT_Wreturn_type in warning due to ignored return type
462         qualifiers.
463         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
464         options included in -Wextra.
465         * c.opt: New option -Wignored_qualifiers.
466         * doc/invoke.texi (Warning Options, -Wextra): Add new option
467         -Wignore_qualifiers.
468         (-Wignored-qualifiers): Document.
469         (-Wreturn-type): Remove description of functionality now handled
470         by -Wignored-qualifiers.
471
472 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
473
474         PR ada/33788
475         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
476         NOP_EXPR if it is between integral types with the same precision.
477
478 2008-01-12  Jan Hubicka  <jh@suse.cz>
479
480         PR other/28023
481         * invoke.texi (max-inline-recursive-depth): Fix default value.
482
483 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
484
485         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
486         correct type.
487
488 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
489         
490         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
491         
492 2008-01-11  James E. Wilson  <wilson@specifix.com>
493
494         PR target/26015
495         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
496
497 2008-01-11  Anatoly Sokolov <aesok@post.ru>
498
499         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
500         save/restore frame pointer register and don't use 'call-prologues' 
501         optimization in function with "OS_task" attribute.
502
503 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
504
505         PR middle-end/31309
506         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
507         when copying to memory.
508
509 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
510
511         PR rtl-optimization/30905
512         * cfgcleanup.c: Include dce.h
513         (crossjumps_occured): New global variable.
514         (try_crossjump_bb): Exit loop after finding a fallthru edge.
515         If something changed, set crossjumps_occured to true.
516         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
517         Don't add/remove fake edges to exit here...
518         (cleanup_cfg): ...but do it here, when crossjumping.
519         Run a fast DCE when successful crossjumps occured in the latest
520         iteration of try_optimize_cfg.
521
522 2008-01-11  Richard Guenther  <rguenther@suse.de>
523
524         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
525         (struct vn_unary_op_s): Likewise.
526         (vn_reference_insert): Free old reference on hash collision.
527
528 2008-01-10  Raksit Ashok  <raksit@google.com>
529
530         PR rtl-optimization/27971
531         * combine.c (find_split_point): Split PLUS expressions which are
532         inside a MEM rtx, and whose first operand is complex.
533
534 2008-01-10  DJ Delorie  <dj@redhat.com>
535
536         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
537         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
538         (m32c_hard_regno_ok): Call the underlying function.
539
540 2008-01-10  Richard Guenther  <rguenther@suse.de>
541
542         PR middle-end/34683
543         * tree-cfg.c (tree_merge_blocks): Do not go through the
544         full-blown folding and stmt updating path if we just deal
545         with virtual operands.
546         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
547         test for abnormal SSA_NAMEs.
548
549 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
550
551         PR middle-end/34641
552         * reload.c (push_reload): Add assertions.  All constants from
553         reg_equiv_constant should have been used for replacing the respective
554         pseudo earlier.
555         (find_reloads_address): Invoke find_reloads_address_part for
556         constant taken from the reg_equiv_constant array.
557
558 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
559
560         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
561         field (valnum) the first in the struct.  Replace bools with
562         unit bit fields.
563
564 2008-01-10  Richard Guenther  <rguenther@suse.de>
565
566         PR tree-optimization/34651
567         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
568         types and ordering for masking and converting.
569
570 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
571
572         PR tree-optimization/34017
573         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
574         also for PHI_NODE expressions.
575
576 2008-01-09  Jan Hubicka  <jh@suse.cz>
577
578         PR tree-optimization/34708
579         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
580         based on number of case labels.
581         (init_inline_once): Remove switch_cost.
582         * tree-inline.h (eni_weights_d): Remove switch_cost.
583
584 2008-01-09  Richard Guenther  <rguenther@suse.de>
585         Andrew Pinski  <andrew_pinski@playstation.sony.com>
586
587         PR middle-end/30132
588         * gimplify.c (gimplify_cond_expr): Do not create an addressable
589         temporary if an rvalue is ok or an lvalue is not required.
590
591 2008-01-09  Richard Guenther  <rguenther@suse.de>
592
593         PR middle-end/34458
594         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
595         adjust return type.
596
597 2008-01-09  Richard Guenther  <rguenther@suse.de>
598
599         PR middle-end/34679
600         * tree.c (host_integerp): Check for sizetype only if the
601         type is an integer type.
602
603 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
604
605         PR debug/26364
606         * opts.c (decode_options): Disable inlining of functions called
607         once if not in unit-at-a-time mode.
608
609 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
610
611         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
612
613 2008-01-08  Richard Guenther  <rguenther@suse.de>
614
615         PR middle-end/31863
616         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
617         out early if the result will be unused.
618
619 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
620
621         PR target/34709
622         Revert:
623
624         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
625         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
626         for TARGET_RECIP.       
627         
628 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
629         
630         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
631         for vectorization tuned.
632         
633 2008-01-08  Richard Guenther  <rguenther@suse.de>
634
635         PR tree-optimization/34683
636         * tree-ssa-operands.c (operand_build_cmp): Export.
637         * tree-ssa-operands.h (operand_build_cmp): Declare.
638         * tree-vn.c (vuses_compare): Remove.
639         (sort_vuses): Use operand_build_cmp.
640         (sort_vuses_heap): Likewise.
641         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
642         to re-use old VEC if available.  Do not sort already sorted VUSEs.
643         (vdefs_to_vec): Do not sort already sorted VDEFs.
644
645 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
646
647         PR middle-end/34694
648         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
649
650 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
651
652         PR target/34702
653         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
654         limitations of reciprocal sequences on x86 targets.
655
656 2008-01-08  Richard Guenther  <rguenther@suse.de>
657
658         PR tree-optimization/34683
659         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
660
661 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
662
663         PR target/34622
664         * config/darwin.c (darwin_mergeable_string_section): Don't use
665         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
666
667 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
668
669         PR target/34682
670         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
671         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
672         predicates of op0 and op1 to register_operand.
673         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
674         expander using X87MODEF mode iterator.  Change predicates of
675         op0 and op1 to register_operand.
676         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
677         corresponding patterns and macroize using MODEF macro.  Change
678         predicates of op0 and op1 to register_operand and remove
679         "m" constraint. Disparage "r" alternative with "!".
680         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
681         macroize using X87MODEF macro.  Change predicates of op0 and op1
682         to register_operand and remove "m" constraint.  Disparage "r"
683         alternative with "!".
684         (absneg splitter with memory operands): Remove.
685         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
686         patterns and macroize using X87MODEF mode iterator.
687         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
688         Change predicate of op1 to register_operand.
689         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
690         for memory operands.
691
692 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
693
694         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
695
696 2008-01-07  Richard Guenther  <rguenther@suse.de>
697
698         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
699         fields.
700
701 2008-01-07  Richard Guenther  <rguenther@suse.de>
702
703         PR tree-optimization/34683
704         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
705         VOPs of the needed size to save memory.  Use VEC_quick_push
706         to save compile-time.
707         (vdefs_to_vec): Likewise.
708
709 2008-01-07  Sa Liu  <saliu@de.ibm.com>
710
711         * config/spu/spu.md (divdf3): Genetate inline code for double
712         division.  The implementation doesn't handle INF or NAN, therefore it
713         only applies when -ffinite-math-only is given.
714
715 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
716
717         PR libstdc++/34680
718         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
719         * doc/cpp.texi ([Common Predefined Macros]): Document.
720
721 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
722
723         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
724         order to use commutative addition instead of subtraction.
725
726 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
727             Mircea Namolaru  <namolaru@il.ibm.com>
728             Vladimir Yanovsky  <yanov@il.ibm.com>
729             Revital Eres  <eres@il.ibm.com>
730
731         PR tree-optimization/34263
732         * tree-outof-ssa.c (process_single_block_loop_latch,
733         contains_tree_r): New functions.
734         (analyze_edges_for_bb): Call process_single_block_loop_latch
735         function to empty single-basic-block latch block if possible.
736
737 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
738
739         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
740         for TARGET_RECIP.
741         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
742
743 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
744
745         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
746
747 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
748
749         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
750
751 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
752
753         PR tree-optimization/34618
754         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
755         flag from T.
756
757 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
758
759         PR target/34673
760         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
761         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
762         Update copyright year.
763
764         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
765         Update copyright year.
766         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
767         using NR fixup.
768
769 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
770
771         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
772         edge does not point to current bb before changing need_assert.
773
774 2008-01-04  Richard Guenther  <rguenther@suse.de>
775
776         PR middle-end/34029
777         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
778         for verifying purposes if they are is_gimple_min_invariant.
779
780 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
781
782         PR tree-optimization/34448
783         PR tree-optimization/34465
784         * gimplify.c (gimplify_init_constructor): Add new parameter
785         notify_temp_creation.  Use it.
786         (gimplify_modify_expr_rhs): Take volatiles into account when
787         optimizing constructors.
788         Do not optimize constructors if gimplify_init_constructor will dump to
789         memory.
790         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
791         * gcc.c-torture/compile/pr34448.c: New.
792
793 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
794
795         PR gcov-profile/34609
796         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
797         return_slot if result is TREE_ADDRESSABLE.
798
799 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
800
801         * config/mips/mips.md (sqrt_condition): Tweak comment.
802         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
803
804 2008-01-03  Tom Tromey  <tromey@redhat.com>
805
806         PR c/34457
807         * c-common.c (c_type_hash): Handle VLAs.
808
809 2008-01-03  Jan Hubicka  <jh@suse.cz>
810
811         PR tree-optimization/31081
812         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
813         0 when inlining and not inlining to first basic block.
814         (remap_decl): When var is initialized to 0, don't set default_def.
815         (expand_call_inline): Set entry_bb.
816         * tree-inline.h (copy_body_data): Add entry_bb.
817
818 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
819
820         PR c++/34619
821         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
822         before returning.
823
824         PR tree-optimization/29484
825         * tree-inline.c (inline_forbidden_p_2): New function.
826         (inline_forbidden_p): Disallow inlining if some static var
827         has an address of a local LABEL_DECL in its initializer.
828         * doc/extend.texi (Labels as Values): Document &&foo behaviour
829         vs. inlining.
830
831 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
832
833         PR tree-optimization/34635
834         * tree-data-ref.c (add_other_self_distances): Make sure that the
835         evolution step is constant.
836
837 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
838
839         PR middle-end/34608
840         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
841
842 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
843
844         * tree-sra.c (scalarize_init): Insert the generate_element_init
845         statements after the generate_element_zero statements.
846
847 2008-01-02  Richard Guenther  <rguenther@suse.de>
848
849         PR middle-end/34093
850         PR middle-end/31976
851         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
852         for very large number of operands instead of ICEing.
853
854 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
855
856         PR target/34013
857         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
858         while stack probing.
859
860 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
861
862         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
863         in C++0x mode.
864
865 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
866
867         PR libmudflap/26442
868         * tree-mudflap.c (mx_register_decls): Guard warning by
869         !DECL_ARTIFICIAL check.
870
871 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
872
873         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
874         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
875         sse5_perm<mode>): Fix constraints.