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