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2008-01-22 H.J. Lu <hongjiu.lu@intel.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR bootstrap/32287
4         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
5         (as_vers): Likewise.
6         * configure: Regenerated.
7
8 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
9
10         PR middle-end/33092
11         * tree-pass.h (pass_build_alias): New pass.
12         * tree-ssa-alias.c (gate_build_alias): New.
13         (pass_build_alias): New.
14         * passes.c (init_optimization_passes): Add pass_build_alias after
15         pass_create_structure_vars.
16
17 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
18
19         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
20         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
21         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
22         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
23         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
24         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
25         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
26         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
27         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
28         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
29         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
30         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
31         * config/s390/s390.md (FP_ALL): New mode iterator.
32         (_d): New mode attribute.
33         ("*signbit<mode>2>"): Changed mode of first operand.
34         ("isinf<mode>2"): Changed mode of first operand.
35         ("*TDC_insn"): Adaptation for DFP modes.
36
37 2008-01-22  Ben Elliston  <bje@au.ibm.com>
38
39         * tree.c (check_qualified_type): Improve function description.
40
41 2008-01-21  Jason Merrill  <jason@redhat.com>
42
43         PR c++/34196
44         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
45         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
46         if it is set.
47
48 2008-01-21  DJ Delorie  <dj@redhat.com>
49
50         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
51         return zero.
52
53 2008-01-21  Richard Guenther  <rguenther@suse.de>
54
55         PR middle-end/34856
56         * tree-cfg.c (verify_expr): Allow all invariant expressions
57         instead of just constant class ones as reference argument.
58         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
59         like any other constant.
60         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
61
62 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
63
64         * regmove.c (fixup_match_1): Update call crossed frequencies.
65
66 2008-01-21  Richard Guenther  <rguenther@suse.de>
67
68         PR c/34885
69         * tree-inline.c (setup_one_parameter): Deal with mismatched
70         types using a VIEW_CONVERT_EXPR.
71
72 2008-01-21  Alon Dayan  <alond@il.ibm.com>
73             Olga Golovanevsky  <olga@il.ibm.com>
74         
75         PR tree-optimization/34701
76         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
77         when the structure size is not a power of 2.
78
79 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
80
81         * doc/install.texi: Add doc for --enable-checking=df.
82         
83 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
84
85         PR rtl-optimization/34808
86         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
87
88 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
89
90         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
91         input.
92
93 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
94
95         PR rtl-optimization/26854
96         PR rtl-optimization/34400
97         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
98         DF_RD->gen.
99         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
100         (df_rd_bb_info.expanded_lr_out): New.
101         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
102         * loop_iv.c (iv_analysis_loop_init): Ditto.
103         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
104         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
105         Added code to allocate, initialize or free expanded_lr_out.
106         (df_rd_bb_local_compute_process_def): Restructured to make
107         more understandable.
108         (df_rd_confluence_n): Add code to do nothing with fake edges and
109         code to no apply invalidate_by_call sets if the sets are being trimmed.
110         (df_lr_local_finalize): Renamed to df_lr_finalize.
111         (df_live_local_finalize): Renamed to df_live_finalize.
112
113 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
114
115         PR target/34831
116         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
117         deciding whether to use reciprocal instructions.
118
119 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
120
121         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
122         dwarf2out_note_section_used if cold_text_section is NULL.
123
124 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
125
126         PR gcov-profile/34610
127         * tree-cfg.c (make_edges): Mark both outgoing edges from
128         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
129         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
130         from OMP_FOR and OMP_CONTINUE outgoing edges.
131
132         * tree-profile.c (tree_profiling): Return early if
133         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
134         at the end.
135         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
136         from cfun to child_cfun.
137         * function.h (struct function): Add after_tree_profile bit.
138
139 2008-01-19 Anatoly Sokolov <aesok@post.ru>
140
141         * config/avr/avr.S (_exit): Disable interrupt.
142
143 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
144             Steven Bosscher  <stevenb.gcc@gmail.com>
145
146         PR rtl-optimization/26854
147         PR rtl-optimization/34400
148         * df-problems.c (df_live_scratch): New scratch bitmap.
149         (df_live_alloc): Allocate df_live_scratch when doing df_live.
150         (df_live_reset): Clear the proper bitmaps.
151         (df_live_bb_local_compute): Only process the artificial defs once
152         since the order is not important.
153         (df_live_init): Init the df_live sets only with the variables
154         found live by df_lr.
155         (df_live_transfer_function): Use the df_lr sets to prune the
156         df_live sets as they are being computed.  
157         (df_live_free): Free df_live_scratch.
158
159 2008-01-18  Ian Lance Taylor  <iant@google.com>
160
161         * common.opt: Add fmerge-debug-strings.
162         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
163         flag_merge_debug_strings rather than flag_merge_constants.
164         * doc/invoke.texi (Option Summary): Mention
165         -fmerge-debug-strings.
166         (Debugging Options): Document -fmerge-debug-strings.
167
168 2008-01-18  Ian Lance Taylor  <iant@google.com>
169
170         PR c++/33407
171         * tree.h (DECL_IS_OPERATOR_NEW): Define.
172         (struct tree_function_decl): Add new field operator_new_flag.
173         * tree-inline.c (expand_call_inline): When inlining a call to
174         operator new, force the return value to go into a variable, and
175         set DECL_NO_TBAA_P on that variable.
176         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
177
178 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
179
180         PR debug/34484
181         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
182         DWARF2_DEBUGGING_INFO.
183         (dwarf2out_note_section_used): Ditto.  Add prototype.
184         (have_multiple_function_sections, text_section_used,
185         cold_text_section_used, *cold_text_sections): Move declarations
186         before their uses.
187
188 2007-01-17  Bob Wilson  <bob.wilson@acm.org>
189
190         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
191         field and add signal_ra.
192         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
193         assignments to frame state pc.  Move end of stack check after
194         MD_FALLBACK_FRAME_STATE_FOR.
195         (uw_update_context_1): Use frame state signal_regs if set, instead
196         of checking signal_frame flag.
197         (uw_update_context): Use frame state signal_ra if set.
198         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
199         * config/xtensa/linux-unwind.h: New file.
200
201 2007-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
202
203         * modulo-sched.c (get_sched_window): Fix comment typo.
204
205 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
206
207         PR tree-optimization/34648
208         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
209
210 2008-01-17  Anatoly Sokolov <aesok@post.ru>
211
212         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
213         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
214
215 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
216
217         PR rtl-optimization/34400
218         * df-core.c (df_worklist_dataflow_overeager,
219         df_worklist_dataflow_doublequeue): New functions.
220         (df_worklist_dataflow): Two different worklist solvers.
221         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
222         New param.
223
224 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
225
226         PR testsuite/34821
227         * doc/invoke.texi: Document the dependence on pthread for fopenmp
228         and ftree-parallelize-loops.
229
230 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
231
232         PR rtl-optimization/34826
233         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
234
235 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
236
237         * global.c (find_reg): Mark the eh regs as used if necessary.
238         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
239         * ra.h (struct allocno): no_eh_reg field added.  Changed
240         no_stack_reg type to bitfield.
241
242 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
243
244         * tree.c (substitute_in_expr): Add missing 'break'.
245
246 2008-01-17  Richard Guenther  <rguenther@suse.de>
247
248         PR tree-optimization/34825
249         * tree-ssa-math-opts.c (is_division_by): Do not recognize
250         x / x as division to handle.
251
252 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
253
254         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
255         "-pthread" is specified.
256         * pa-hpux11.h (LIB_SPEC): Likewise.
257
258 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
259             Peter Bergner  <bergner@vnet.ibm.com>
260
261         PR rtl-optimization/33796
262         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
263
264 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
265
266         PR libgfortran/34699
267         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
268         static links.
269         * pa-hpux10.h (LINK_SPEC): Likewise.
270         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
271
272 2008-01-16  Richard Guenther  <rguenther@suse.de>
273
274         PR middle-end/32628
275         * fold-const.c (fold_convert_const_int_from_int): Do not
276         set overflow if that occured only because of a sign extension
277         change when converting from/to a sizetype with the same
278         precision and signedness.
279
280 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
281
282         PR debug/34249
283         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
284         location address to the correct place.  Update copyright year.
285
286 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
287
288         * lambda-code.c (lambda_transform_legal_p): Handle the case of
289         no dependences in the dependence_relations vector.
290
291 2008-01-16  Jan Hubicka  <jh@suse.cz>
292
293         PR rtl-optimization/31396
294         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
295         * cfg.c (dump_reg_info): Print it.
296         * regs.h (struct reg_info_t): add freq_calls_crossed.
297         (REG_FREQ_CALLS_CROSSED): New macro.
298         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
299         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
300         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
301         regmove_optimize): Update call crossed frequencies.
302         * local-alloc.c (struct qty): Add freq_calls_crossed.
303         (alloc_qty): Copute freq_calls_crossed.
304         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
305         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
306         * ra.h (struct allocno): Add freq_calls_crossed.
307
308 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
309
310         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
311         libgomp when compiling with ftree-parallelize-loops.
312         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
313
314 2008-01-16  Richard Guenther  <rguenther@suse.de>
315
316         PR tree-optimization/34769
317         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
318         * tree.c (int_cst_value): Instead make this function more
319         permissive in what it accepts as valid input.  Document this
320         function always sign-extends the value.
321
322 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
323             Richard Guenther  <rguenther@suse.de>
324
325         PR c/34668
326         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
327         (gimple_fold_indirect_ref_rhs): ... this.
328         (gimple_fold_indirect_ref): New function with foldings
329         that preserve lvalueness.
330         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
331         * tree-flow.h (gimple_fold_indirect_ref): Declare.
332         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
333         to fold an INDIRECT_REF, fall back to the old use of
334         fold_indirect_ref_1.
335
336 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
337
338         * tree-data-ref.c (subscript_dependence_tester_1): Call 
339         free_conflict_function.
340         (compute_self_dependence): Same.
341
342 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
343
344         PR debug/34249
345         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
346         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
347         function global.
348         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
349         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
350         for DWARF2_UNWIND_INFO targets.
351
352 2008-01-16  Richard Guenther  <rguenther@suse.de>
353
354         PR c/34768
355         * c-typeck.c (common_pointer_type): Do not merge inconsistent
356         type qualifiers for function types.
357
358 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
359
360         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
361         loop_iterator li from previous commit.
362
363 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
364
365         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
366
367 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
368
369         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
370         (parallelize_loops): Don't parallelize irreducible components.
371
372 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
373
374         PR c++/24924
375         * c-opts (c_common_post_options): Do not enable CPP
376         flag_pedantic_errors by default.
377         
378 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
379
380         PR rtl-optimization/31944
381         * cse.c (remove_pseudo_from_table): New function.
382         (merge_equiv_classes): Use above function to remove pseudo-registers.
383         (invalidate): Likewise.
384
385 2008-01-13  Richard Guenther  <rguenther@suse.de>
386
387         PR middle-end/34601
388         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
389         instead of TYPE_MODE to deal with calls from expand_one_error_var.
390
391 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
392
393         * gcse.c (cprop_jump): Call validate_unshare_change instead of
394         validate_change to unshare the source of the PC set.
395
396 2008-01-12  Jan Hubicka  <jh@suse.cz>
397
398         PR middle-end/32135
399         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
400         references above array bounds.  This might trigger bounds checks for
401         pointers to arrays.
402
403 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
404
405         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
406         new_replaceable_dependencies.
407
408 2008-01-12  Doug Kwan  <dougkwan@google.com>
409
410         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
411         instead of OPT_Wreturn_type in warning due to ignored return type
412         qualifiers.
413         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
414         options included in -Wextra.
415         * c.opt: New option -Wignored_qualifiers.
416         * doc/invoke.texi (Warning Options, -Wextra): Add new option
417         -Wignore_qualifiers.
418         (-Wignored-qualifiers): Document.
419         (-Wreturn-type): Remove description of functionality now handled
420         by -Wignored-qualifiers.
421
422 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
423
424         PR ada/33788
425         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
426         NOP_EXPR if it is between integral types with the same precision.
427
428 2008-01-12  Jan Hubicka  <jh@suse.cz>
429
430         PR other/28023
431         * invoke.texi (max-inline-recursive-depth): Fix default value.
432
433 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
434
435         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
436         correct type.
437
438 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
439         
440         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
441         
442 2008-01-11  James E. Wilson  <wilson@specifix.com>
443
444         PR target/26015
445         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
446
447 2008-01-11  Anatoly Sokolov <aesok@post.ru>
448
449         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
450         save/restore frame pointer register and don't use 'call-prologues' 
451         optimization in function with "OS_task" attribute.
452
453 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
454
455         PR middle-end/31309
456         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
457         when copying to memory.
458
459 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
460
461         PR rtl-optimization/30905
462         * cfgcleanup.c: Include dce.h
463         (crossjumps_occured): New global variable.
464         (try_crossjump_bb): Exit loop after finding a fallthru edge.
465         If something changed, set crossjumps_occured to true.
466         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
467         Don't add/remove fake edges to exit here...
468         (cleanup_cfg): ...but do it here, when crossjumping.
469         Run a fast DCE when successful crossjumps occured in the latest
470         iteration of try_optimize_cfg.
471
472 2008-01-11  Richard Guenther  <rguenther@suse.de>
473
474         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
475         (struct vn_unary_op_s): Likewise.
476         (vn_reference_insert): Free old reference on hash collision.
477
478 2008-01-10  Raksit Ashok  <raksit@google.com>
479
480         PR rtl-optimization/27971
481         * combine.c (find_split_point): Split PLUS expressions which are
482         inside a MEM rtx, and whose first operand is complex.
483
484 2008-01-10  DJ Delorie  <dj@redhat.com>
485
486         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
487         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
488         (m32c_hard_regno_ok): Call the underlying function.
489
490 2008-01-10  Richard Guenther  <rguenther@suse.de>
491
492         PR middle-end/34683
493         * tree-cfg.c (tree_merge_blocks): Do not go through the
494         full-blown folding and stmt updating path if we just deal
495         with virtual operands.
496         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
497         test for abnormal SSA_NAMEs.
498
499 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
500
501         PR middle-end/34641
502         * reload.c (push_reload): Add assertions.  All constants from
503         reg_equiv_constant should have been used for replacing the respective
504         pseudo earlier.
505         (find_reloads_address): Invoke find_reloads_address_part for
506         constant taken from the reg_equiv_constant array.
507
508 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
509
510         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
511         field (valnum) the first in the struct.  Replace bools with
512         unit bit fields.
513
514 2008-01-10  Richard Guenther  <rguenther@suse.de>
515
516         PR tree-optimization/34651
517         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
518         types and ordering for masking and converting.
519
520 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
521
522         PR tree-optimization/34017
523         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
524         also for PHI_NODE expressions.
525
526 2008-01-09  Jan Hubicka  <jh@suse.cz>
527
528         PR tree-optimization/34708
529         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
530         based on number of case labels.
531         (init_inline_once): Remove switch_cost.
532         * tree-inline.h (eni_weights_d): Remove switch_cost.
533
534 2008-01-09  Richard Guenther  <rguenther@suse.de>
535         Andrew Pinski  <andrew_pinski@playstation.sony.com>
536
537         PR middle-end/30132
538         * gimplify.c (gimplify_cond_expr): Do not create an addressable
539         temporary if an rvalue is ok or an lvalue is not required.
540
541 2008-01-09  Richard Guenther  <rguenther@suse.de>
542
543         PR middle-end/34458
544         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
545         adjust return type.
546
547 2008-01-09  Richard Guenther  <rguenther@suse.de>
548
549         PR middle-end/34679
550         * tree.c (host_integerp): Check for sizetype only if the
551         type is an integer type.
552
553 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
554
555         PR debug/26364
556         * opts.c (decode_options): Disable inlining of functions called
557         once if not in unit-at-a-time mode.
558
559 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
560
561         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
562
563 2008-01-08  Richard Guenther  <rguenther@suse.de>
564
565         PR middle-end/31863
566         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
567         out early if the result will be unused.
568
569 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
570
571         PR target/34709
572         Revert:
573
574         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
575         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
576         for TARGET_RECIP.       
577         
578 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
579         
580         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
581         for vectorization tuned.
582         
583 2008-01-08  Richard Guenther  <rguenther@suse.de>
584
585         PR tree-optimization/34683
586         * tree-ssa-operands.c (operand_build_cmp): Export.
587         * tree-ssa-operands.h (operand_build_cmp): Declare.
588         * tree-vn.c (vuses_compare): Remove.
589         (sort_vuses): Use operand_build_cmp.
590         (sort_vuses_heap): Likewise.
591         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
592         to re-use old VEC if available.  Do not sort already sorted VUSEs.
593         (vdefs_to_vec): Do not sort already sorted VDEFs.
594
595 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
596
597         PR middle-end/34694
598         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
599
600 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
601
602         PR target/34702
603         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
604         limitations of reciprocal sequences on x86 targets.
605
606 2008-01-08  Richard Guenther  <rguenther@suse.de>
607
608         PR tree-optimization/34683
609         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
610
611 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
612
613         PR target/34622
614         * config/darwin.c (darwin_mergeable_string_section): Don't use
615         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
616
617 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
618
619         PR target/34682
620         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
621         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
622         predicates of op0 and op1 to register_operand.
623         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
624         expander using X87MODEF mode iterator.  Change predicates of
625         op0 and op1 to register_operand.
626         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
627         corresponding patterns and macroize using MODEF macro.  Change
628         predicates of op0 and op1 to register_operand and remove
629         "m" constraint. Disparage "r" alternative with "!".
630         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
631         macroize using X87MODEF macro.  Change predicates of op0 and op1
632         to register_operand and remove "m" constraint.  Disparage "r"
633         alternative with "!".
634         (absneg splitter with memory operands): Remove.
635         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
636         patterns and macroize using X87MODEF mode iterator.
637         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
638         Change predicate of op1 to register_operand.
639         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
640         for memory operands.
641
642 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
643
644         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
645
646 2008-01-07  Richard Guenther  <rguenther@suse.de>
647
648         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
649         fields.
650
651 2008-01-07  Richard Guenther  <rguenther@suse.de>
652
653         PR tree-optimization/34683
654         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
655         VOPs of the needed size to save memory.  Use VEC_quick_push
656         to save compile-time.
657         (vdefs_to_vec): Likewise.
658
659 2008-01-07  Sa Liu  <saliu@de.ibm.com>
660
661         * config/spu/spu.md (divdf3): Genetate inline code for double
662         division.  The implementation doesn't handle INF or NAN, therefore it
663         only applies when -ffinite-math-only is given.
664
665 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
666
667         PR libstdc++/34680
668         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
669         * doc/cpp.texi ([Common Predefined Macros]): Document.
670
671 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
672
673         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
674         order to use commutative addition instead of subtraction.
675
676 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
677             Mircea Namolaru  <namolaru@il.ibm.com>
678             Vladimir Yanovsky  <yanov@il.ibm.com>
679             Revital Eres  <eres@il.ibm.com>
680
681         PR tree-optimization/34263
682         * tree-outof-ssa.c (process_single_block_loop_latch,
683         contains_tree_r): New functions.
684         (analyze_edges_for_bb): Call process_single_block_loop_latch
685         function to empty single-basic-block latch block if possible.
686
687 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
688
689         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
690         for TARGET_RECIP.
691         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
692
693 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
694
695         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
696
697 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
698
699         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
700
701 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
702
703         PR tree-optimization/34618
704         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
705         flag from T.
706
707 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
708
709         PR target/34673
710         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
711         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
712         Update copyright year.
713
714         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
715         Update copyright year.
716         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
717         using NR fixup.
718
719 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
720
721         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
722         edge does not point to current bb before changing need_assert.
723
724 2008-01-04  Richard Guenther  <rguenther@suse.de>
725
726         PR middle-end/34029
727         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
728         for verifying purposes if they are is_gimple_min_invariant.
729
730 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
731
732         PR tree-optimization/34448
733         PR tree-optimization/34465
734         * gimplify.c (gimplify_init_constructor): Add new parameter
735         notify_temp_creation.  Use it.
736         (gimplify_modify_expr_rhs): Take volatiles into account when
737         optimizing constructors.
738         Do not optimize constructors if gimplify_init_constructor will dump to
739         memory.
740         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
741         * gcc.c-torture/compile/pr34448.c: New.
742
743 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
744
745         PR gcov-profile/34609
746         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
747         return_slot if result is TREE_ADDRESSABLE.
748
749 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
750
751         * config/mips/mips.md (sqrt_condition): Tweak comment.
752         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
753
754 2008-01-03  Tom Tromey  <tromey@redhat.com>
755
756         PR c/34457
757         * c-common.c (c_type_hash): Handle VLAs.
758
759 2008-01-03  Jan Hubicka  <jh@suse.cz>
760
761         PR tree-optimization/31081
762         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
763         0 when inlining and not inlining to first basic block.
764         (remap_decl): When var is initialized to 0, don't set default_def.
765         (expand_call_inline): Set entry_bb.
766         * tree-inline.h (copy_body_data): Add entry_bb.
767
768 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
769
770         PR c++/34619
771         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
772         before returning.
773
774         PR tree-optimization/29484
775         * tree-inline.c (inline_forbidden_p_2): New function.
776         (inline_forbidden_p): Disallow inlining if some static var
777         has an address of a local LABEL_DECL in its initializer.
778         * doc/extend.texi (Labels as Values): Document &&foo behaviour
779         vs. inlining.
780
781 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
782
783         PR tree-optimization/34635
784         * tree-data-ref.c (add_other_self_distances): Make sure that the
785         evolution step is constant.
786
787 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
788
789         PR middle-end/34608
790         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
791
792 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
793
794         * tree-sra.c (scalarize_init): Insert the generate_element_init
795         statements after the generate_element_zero statements.
796
797 2008-01-02  Richard Guenther  <rguenther@suse.de>
798
799         PR middle-end/34093
800         PR middle-end/31976
801         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
802         for very large number of operands instead of ICEing.
803
804 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
805
806         PR target/34013
807         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
808         while stack probing.
809
810 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
811
812         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
813         in C++0x mode.
814
815 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
816
817         PR libmudflap/26442
818         * tree-mudflap.c (mx_register_decls): Guard warning by
819         !DECL_ARTIFICIAL check.
820
821 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
822
823         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
824         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
825         sse5_perm<mode>): Fix constraints.