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* gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2
3         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
4         libgomp when compiling with ftree-parallelize-loops.
5         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
6
7 2008-01-16  Richard Guenther  <rguenther@suse.de>
8
9         PR tree-optimization/34769
10         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
11         * tree.c (int_cst_value): Instead make this function more
12         permissive in what it accepts as valid input.  Document this
13         function always sign-extends the value.
14
15 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
16         Richard Guenther  <rguenther@suse.de>
17
18         PR c/34668
19         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
20         (gimple_fold_indirect_ref_rhs): ... this.
21         (gimple_fold_indirect_ref): New function with foldings
22         that preserve lvalueness.
23         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
24         * tree-flow.h (gimple_fold_indirect_ref): Declare.
25         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
26         to fold an INDIRECT_REF, fall back to the old use of
27         fold_indirect_ref_1.
28
29 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
30
31         * tree-data-ref.c (subscript_dependence_tester_1): Call 
32         free_conflict_function.
33         (compute_self_dependence): Same.
34
35 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
36
37         PR debug/34249
38         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
39         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
40         function global.
41         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
42         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
43         for DWARF2_UNWIND_INFO targets.
44
45 2008-01-16  Richard Guenther  <rguenther@suse.de>
46
47         PR c/34768
48         * c-typeck.c (common_pointer_type): Do not merge inconsistent
49         type qualifiers for function types.
50
51 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
52
53         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
54         loop_iterator li from previous commit.
55
56 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
57
58         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
59
60 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
61
62         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
63         (parallelize_loops): Don't parallelize irreducible components.
64
65 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
66
67         PR c++/24924
68         * c-opts (c_common_post_options): Do not enable CPP
69         flag_pedantic_errors by default.
70         
71 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
72
73         PR rtl-optimization/31944
74         * cse.c (remove_pseudo_from_table): New function.
75         (merge_equiv_classes): Use above function to remove pseudo-registers.
76         (invalidate): Likewise.
77
78 2008-01-13  Richard Guenther  <rguenther@suse.de>
79
80         PR middle-end/34601
81         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
82         instead of TYPE_MODE to deal with calls from expand_one_error_var.
83
84 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
85
86         * gcse.c (cprop_jump): Call validate_unshare_change instead of
87         validate_change to unshare the source of the PC set.
88
89 2008-01-12  Jan Hubicka  <jh@suse.cz>
90
91         PR middle-end/32135
92         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
93         references above array bounds.  This might trigger bounds checks for
94         pointers to arrays.
95
96 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
97
98         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
99         new_replaceable_dependencies.
100
101 2008-01-12  Doug Kwan  <dougkwan@google.com>
102
103         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
104         instead of OPT_Wreturn_type in warning due to ignored return type
105         qualifiers.
106         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
107         options included in -Wextra.
108         * c.opt: New option -Wignored_qualifiers.
109         * doc/invoke.texi (Warning Options, -Wextra): Add new option
110         -Wignore_qualifiers.
111         (-Wignored-qualifiers): Document.
112         (-Wreturn-type): Remove description of functionality now handled
113         by -Wignored-qualifiers.
114
115 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
116
117         PR ada/33788
118         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
119         NOP_EXPR if it is between integral types with the same precision.
120
121 2008-01-12  Jan Hubicka  <jh@suse.cz>
122
123         PR other/28023
124         * invoke.texi (max-inline-recursive-depth): Fix default value.
125
126 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
127
128         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
129         correct type.
130
131 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
132         
133         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
134         
135 2008-01-11  James E. Wilson  <wilson@specifix.com>
136
137         PR target/26015
138         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
139
140 2008-01-11  Anatoly Sokolov <aesok@post.ru>
141
142         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
143         save/restore frame pointer register and don't use 'call-prologues' 
144         optimization in function with "OS_task" attribute.
145
146 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
147
148         PR middle-end/31309
149         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
150         when copying to memory.
151
152 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
153
154         PR rtl-optimization/30905
155         * cfgcleanup.c: Include dce.h
156         (crossjumps_occured): New global variable.
157         (try_crossjump_bb): Exit loop after finding a fallthru edge.
158         If something changed, set crossjumps_occured to true.
159         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
160         Don't add/remove fake edges to exit here...
161         (cleanup_cfg): ...but do it here, when crossjumping.
162         Run a fast DCE when successful crossjumps occured in the latest
163         iteration of try_optimize_cfg.
164
165 2008-01-11  Richard Guenther  <rguenther@suse.de>
166
167         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
168         (struct vn_unary_op_s): Likewise.
169         (vn_reference_insert): Free old reference on hash collision.
170
171 2008-01-10  Raksit Ashok  <raksit@google.com>
172
173         PR rtl-optimization/27971
174         * combine.c (find_split_point): Split PLUS expressions which are
175         inside a MEM rtx, and whose first operand is complex.
176
177 2008-01-10  DJ Delorie  <dj@redhat.com>
178
179         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
180         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
181         (m32c_hard_regno_ok): Call the underlying function.
182
183 2008-01-10  Richard Guenther  <rguenther@suse.de>
184
185         PR middle-end/34683
186         * tree-cfg.c (tree_merge_blocks): Do not go through the
187         full-blown folding and stmt updating path if we just deal
188         with virtual operands.
189         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
190         test for abnormal SSA_NAMEs.
191
192 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
193
194         PR middle-end/34641
195         * reload.c (push_reload): Add assertions.  All constants from
196         reg_equiv_constant should have been used for replacing the respective
197         pseudo earlier.
198         (find_reloads_address): Invoke find_reloads_address_part for
199         constant taken from the reg_equiv_constant array.
200
201 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
202
203         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
204         field (valnum) the first in the struct.  Replace bools with
205         unit bit fields.
206
207 2008-01-10  Richard Guenther  <rguenther@suse.de>
208
209         PR tree-optimization/34651
210         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
211         types and ordering for masking and converting.
212
213 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
214
215         PR tree-optimization/34017
216         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
217         also for PHI_NODE expressions.
218
219 2008-01-09  Jan Hubicka  <jh@suse.cz>
220
221         PR tree-optimization/34708
222         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
223         based on number of case labels.
224         (init_inline_once): Remove switch_cost.
225         * tree-inline.h (eni_weights_d): Remove switch_cost.
226
227 2008-01-09  Richard Guenther  <rguenther@suse.de>
228         Andrew Pinski  <andrew_pinski@playstation.sony.com>
229
230         PR middle-end/30132
231         * gimplify.c (gimplify_cond_expr): Do not create an addressable
232         temporary if an rvalue is ok or an lvalue is not required.
233
234 2008-01-09  Richard Guenther  <rguenther@suse.de>
235
236         PR middle-end/34458
237         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
238         adjust return type.
239
240 2008-01-09  Richard Guenther  <rguenther@suse.de>
241
242         PR middle-end/34679
243         * tree.c (host_integerp): Check for sizetype only if the
244         type is an integer type.
245
246 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
247
248         PR debug/26364
249         * opts.c (decode_options): Disable inlining of functions called
250         once if not in unit-at-a-time mode.
251
252 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
253
254         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
255
256 2008-01-08  Richard Guenther  <rguenther@suse.de>
257
258         PR middle-end/31863
259         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
260         out early if the result will be unused.
261
262 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
263
264         PR target/34709
265         Revert:
266
267         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
268         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
269         for TARGET_RECIP.       
270         
271 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
272         
273         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
274         for vectorization tuned.
275         
276 2008-01-08  Richard Guenther  <rguenther@suse.de>
277
278         PR tree-optimization/34683
279         * tree-ssa-operands.c (operand_build_cmp): Export.
280         * tree-ssa-operands.h (operand_build_cmp): Declare.
281         * tree-vn.c (vuses_compare): Remove.
282         (sort_vuses): Use operand_build_cmp.
283         (sort_vuses_heap): Likewise.
284         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
285         to re-use old VEC if available.  Do not sort already sorted VUSEs.
286         (vdefs_to_vec): Do not sort already sorted VDEFs.
287
288 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
289
290         PR middle-end/34694
291         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
292
293 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
294
295         PR target/34702
296         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
297         limitations of reciprocal sequences on x86 targets.
298
299 2008-01-08  Richard Guenther  <rguenther@suse.de>
300
301         PR tree-optimization/34683
302         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
303
304 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
305
306         PR target/34622
307         * config/darwin.c (darwin_mergeable_string_section): Don't use
308         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
309
310 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
311
312         PR target/34682
313         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
314         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
315         predicates of op0 and op1 to register_operand.
316         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
317         expander using X87MODEF mode iterator.  Change predicates of
318         op0 and op1 to register_operand.
319         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
320         corresponding patterns and macroize using MODEF macro.  Change
321         predicates of op0 and op1 to register_operand and remove
322         "m" constraint. Disparage "r" alternative with "!".
323         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
324         macroize using X87MODEF macro.  Change predicates of op0 and op1
325         to register_operand and remove "m" constraint.  Disparage "r"
326         alternative with "!".
327         (absneg splitter with memory operands): Remove.
328         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
329         patterns and macroize using X87MODEF mode iterator.
330         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
331         Change predicate of op1 to register_operand.
332         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
333         for memory operands.
334
335 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
336
337         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
338
339 2008-01-07  Richard Guenther  <rguenther@suse.de>
340
341         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
342         fields.
343
344 2008-01-07  Richard Guenther  <rguenther@suse.de>
345
346         PR tree-optimization/34683
347         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
348         VOPs of the needed size to save memory.  Use VEC_quick_push
349         to save compile-time.
350         (vdefs_to_vec): Likewise.
351
352 2008-01-07  Sa Liu  <saliu@de.ibm.com>
353
354         * config/spu/spu.md (divdf3): Genetate inline code for double
355         division.  The implementation doesn't handle INF or NAN, therefore it
356         only applies when -ffinite-math-only is given.
357
358 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
359
360         PR libstdc++/34680
361         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
362         * doc/cpp.texi ([Common Predefined Macros]): Document.
363
364 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
365
366         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
367         order to use commutative addition instead of subtraction.
368
369 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
370             Mircea Namolaru  <namolaru@il.ibm.com>
371             Vladimir Yanovsky  <yanov@il.ibm.com>
372             Revital Eres  <eres@il.ibm.com>
373
374         PR tree-optimization/34263
375         * tree-outof-ssa.c (process_single_block_loop_latch,
376         contains_tree_r): New functions.
377         (analyze_edges_for_bb): Call process_single_block_loop_latch
378         function to empty single-basic-block latch block if possible.
379
380 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
381
382         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
383         for TARGET_RECIP.
384         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
385
386 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
387
388         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
389
390 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
391
392         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
393
394 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
395
396         PR tree-optimization/34618
397         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
398         flag from T.
399
400 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
401
402         PR target/34673
403         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
404         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
405         Update copyright year.
406
407         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
408         Update copyright year.
409         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
410         using NR fixup.
411
412 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
413
414         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
415         edge does not point to current bb before changing need_assert.
416
417 2008-01-04  Richard Guenther  <rguenther@suse.de>
418
419         PR middle-end/34029
420         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
421         for verifying purposes if they are is_gimple_min_invariant.
422
423 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
424
425         PR tree-optimization/34448
426         PR tree-optimization/34465
427         * gimplify.c (gimplify_init_constructor): Add new parameter
428         notify_temp_creation.  Use it.
429         (gimplify_modify_expr_rhs): Take volatiles into account when
430         optimizing constructors.
431         Do not optimize constructors if gimplify_init_constructor will dump to
432         memory.
433         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
434         * gcc.c-torture/compile/pr34448.c: New.
435
436 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
437
438         PR gcov-profile/34609
439         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
440         return_slot if result is TREE_ADDRESSABLE.
441
442 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
443
444         * config/mips/mips.md (sqrt_condition): Tweak comment.
445         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
446
447 2008-01-03  Tom Tromey  <tromey@redhat.com>
448
449         PR c/34457
450         * c-common.c (c_type_hash): Handle VLAs.
451
452 2008-01-03  Jan Hubicka  <jh@suse.cz>
453
454         PR tree-optimization/31081
455         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
456         0 when inlining and not inlining to first basic block.
457         (remap_decl): When var is initialized to 0, don't set default_def.
458         (expand_call_inline): Set entry_bb.
459         * tree-inline.h (copy_body_data): Add entry_bb.
460
461 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
462
463         PR c++/34619
464         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
465         before returning.
466
467         PR tree-optimization/29484
468         * tree-inline.c (inline_forbidden_p_2): New function.
469         (inline_forbidden_p): Disallow inlining if some static var
470         has an address of a local LABEL_DECL in its initializer.
471         * doc/extend.texi (Labels as Values): Document &&foo behaviour
472         vs. inlining.
473
474 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
475
476         PR tree-optimization/34635
477         * tree-data-ref.c (add_other_self_distances): Make sure that the
478         evolution step is constant.
479
480 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
481
482         PR middle-end/34608
483         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
484
485 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
486
487         * tree-sra.c (scalarize_init): Insert the generate_element_init
488         statements after the generate_element_zero statements.
489
490 2008-01-02  Richard Guenther  <rguenther@suse.de>
491
492         PR middle-end/34093
493         PR middle-end/31976
494         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
495         for very large number of operands instead of ICEing.
496
497 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
498
499         PR target/34013
500         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
501         while stack probing.
502
503 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
504
505         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
506         in C++0x mode.
507
508 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
509
510         PR libmudflap/26442
511         * tree-mudflap.c (mx_register_decls): Guard warning by
512         !DECL_ARTIFICIAL check.
513
514 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
515
516         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
517         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
518         sse5_perm<mode>): Fix constraints.