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