OSDN Git Service

2008-02-18 H.J. Lu <hongjiu.lu@intel.com>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2008-02-18  H.J. Lu  <hongjiu.lu@intel.com>
2
3         * config/i386/i386-modes.def: Use 4 byte alignment on DI for
4         32bit host.
5
6 2008-02-18  Joey Ye  <joey.ye@intel.com>
7
8         PR middle-end/34921
9         * tree-nested.c (insert_field_into_struct): Set type alignment
10         to field alignment if the former is less than the latter.
11
12 2008-02-18  Jakub Jelinek  <jakub@redhat.com>
13
14         * BASE-VER: Set to 4.4.0.
15
16 2008-02-17 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
17
18         * doc/c-tree.texi: Use @dots{} and @enddots{} where appropriate.
19         * doc/cfg.texi: Likewise.
20         * doc/extend.texi: Likewise.
21         * doc/gty.texi: Likewise.
22         * doc/invoke.texi: Likewise.
23         * doc/loop.texi: Likewise.
24         * doc/md.texi: Likewise.
25         * doc/passes.texi: Likewise.
26         * doc/rtl.texi: Likewise.
27         * doc/sourcebuild.texi: Likewise.
28         * doc/tm.texi: Likewise.
29         * doc/tree-ssa.texi: Likewise.
30
31 2008-02-17  Richard Guenther  <rguenther@suse.de>
32
33         PR middle-end/35227
34         * tree-complex.c (init_parameter_lattice_values): Handle parameters
35         without default definition.
36
37 2008-02-17  Richard Guenther  <rguenther@suse.de>
38
39         PR tree-optimization/35231
40         * tree-vrp.c (register_edge_assert_for): Do not assume A == 0
41         if A | B != 1.
42
43 2008-02-17  Uros Bizjak  <ubizjak@gmail.com>
44
45         Revert:
46
47         2008-02-15  Uros Bizjak  <ubizjak@gmail.com>    
48         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
49         libgcc_cmp_return mode.
50
51 2008-02-16  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
52
53         PR c/28368
54         * doc/invoke.texi (-std): Clarify description of -std= and -ansi.
55
56 2008-02-16  Ralf Corsepius  <ralf.corsepius@rtems.org>
57
58         * config/m68k/t-rtems (M68K_MLIB_CPU): Add 5208, 5307, 5407, 5475
59         multilibs.
60
61 2008-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
62
63         * doc/c-tree.texi: Use `@.' where appropriate.
64         * doc/extend.texi: Likewise.
65         * doc/install.texi: Likewise.
66         * doc/invoke.texi: Likewise.
67         * doc/loop.texi: Likewise.
68         * doc/makefile.texi: Likewise.
69         * doc/md.texi: Likewise.
70         * doc/passes.texi: Likewise.
71         * doc/standards.texi: Likewise.
72         * doc/tm.texi: Likewise.
73
74 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
75
76         PR middle-end/35196
77         * omp-low.c (expand_omp_for_generic): Don't initialize fd->v
78         in entry_bb.
79         (expand_omp_for_static_nochunk): Initialize fd->v in seq_start_bb
80         rather than in entry_bb.
81
82 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
83
84         * config/i386/sfp-machine.h (CMPtype): Define as typedef using
85         libgcc_cmp_return mode.
86
87 2008-02-15  Jakub Jelinek  <jakub@redhat.com>
88
89         PR middle-end/35130
90         * tree-nested.c (convert_call_expr): Put FRAME.* vars into
91         OMP_CLAUSE_SHARED rather than OMP_CLAUSE_FIRSTPRIVATE clause.
92
93 2008-02-15  Richard Guenther  <rguenther@suse.de>
94             Zdenek Dvorak  <ook@ucw.cz>
95
96         PR tree-optimization/35164
97         * tree-flow.h (stmt_references_abnormal_ssa_name): Declare.
98         * tree-dfa.c (stmt_references_abnormal_ssa_name): New function.
99         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_vars):
100         Only propagate addresses which do not have abnormal SSA_NAMEs
101         in their operands.
102
103 2008-02-15  Joseph Myers  <joseph@codesourcery.com>
104
105         PR target/35088
106         * config/m68k/m68k.h (DWARF_CIE_DATA_ALIGNMENT): Define.
107
108 2008-02-15  Jan Hubicka  <jh@suse.cz>
109
110         PR middle-end/35149
111         * ipa.c (cgraph_remove_unreachable_nodes): Clear local.inlinable flag.
112
113 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
114
115         PR middle-end/34621
116         * function.c (pad_to_arg_alignment): Remove test for STACK_BOUNDARY
117         when calculating alignment_pad.
118
119 2008-02-15  Uros Bizjak  <ubizjak@gmail.com>
120
121         * config/i386/i386.h (CLEAR_RATIO): Use MIN macro.
122         (WIDEST_HARDWARE_FP_SIZE): Use LONG_DOUBLE_TYPE_SIZE define.
123         * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Use MAX macro
124         and STACK_BOUNDARY define.
125
126 2008-02-14  Danny Smith  <dannysmith@users.sourceforge.net>
127
128         PR preprocessor/35061
129         * c-pragma.c (handle_pragma_pop_macro): Check that
130         pushed_macro_table has been allocated.
131
132 2008-02-14  Eric Botcazou  <ebotcazou@adacore.com>
133
134         PR middle-end/35136
135         * gimplify.c (force_gimple_operand_bsi): Revert 2008-02-12 change.
136         (force_gimple_operand): Likewise.
137         * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): Add new cases
138         for TARGET_MEM_REF and CONVERT_EXPR/NON_LVALUE_EXPR/NOP_EXPR.
139         Also recurse on the operand for regular VIEW_CONVERT_EXPRs.
140         (find_interesting_uses_address): Check addressability and alignment
141         of the base expression only after substituting bases of IVs into it.
142
143 2008-02-14  Michael Matz  <matz@suse.de>
144
145         PR target/34930
146         * function.c (instantiate_virtual_regs_in_insn): Reload address
147         before falling back to reloading the whole operand.
148
149 2008-02-14  Andreas Krebbel  <krebbel1@de.ibm.com>
150
151         * config/s390/s390.c (s390_mainpool_start): Emit the pool
152         before the first section switch note.
153
154 2008-02-14 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
155
156         * doc/bugreport.texi: Update copyright years.
157         * doc/c-tree.texi: Likewise.
158         * doc/cfg.texi: Likewise.
159         * doc/cpp.texi: Likewise.
160         * doc/cppinternals.texi: Likewise.
161         * doc/fragments.texi: Likewise.
162         * doc/frontends.texi: Likewise.
163         * doc/gcc.texi: Likewise.
164         * doc/gty.texi: Likewise.
165         * doc/hostconfig.texi: Likewise.
166         * doc/implement-c.texi: Likewise.
167         * doc/libgcc.texi: Likewise.
168         * doc/loop.texi: Likewise.
169         * doc/makefile.texi: Likewise.
170         * doc/options.texi: Likewise.
171         * doc/passes.texi: Likewise.
172         * doc/rtl.texi: Likewise.
173         * doc/sourcebuild.texi: Likewise.
174         * doc/standards.texi: Likewise.
175         * doc/tree-ssa.texi: Likewise.
176         * doc/trouble.texi: Likewise.
177
178         * doc/extend.texi: Use @: or add comma where appropriate.
179         * doc/invoke.texi: Likewise.
180         * doc/tm.texi: Likewise.
181
182 2008-02-14  Alan Modra  <amodra@bigpond.net.au>
183
184         PR target/34393
185         * config/rs6000/rs6000.md (restore_stack_block): Force operands[1]
186         to a reg.
187
188 2008-02-14  Jesper Nilsson  <jesper.nilsson@axis.com>
189
190         * doc/md.texi (clz, ctz): Add reference.
191         * doc/rtl.texi (clz, ctz): Likewise.
192
193 2008-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
194
195         PR other/35148
196         * Makefile.in (gcc-vers.texi): Use abs_srcdir for the value of
197         srcdir.
198
199 2008-02-13  Andreas Krebbel  <krebbel1@de.ibm.com>
200
201         * config/s390/s390.c (struct constant_pool): New field
202         emit_pool_after added.
203         (s390_mainpool_start): Set the emit_pool_after flag according
204         to the section switch notes.
205         (s390_mainpool_finish): Consider emit_pool_after when emitting
206         the literal pool at the end of the function.
207         (s390_chunkify_start): Force literal pool splits at section
208         switch notes.
209
210 2008-02-13  Michael Matz  <matz@suse.de>
211
212         PR debug/35065
213         * var-tracking.c (clobber_variable_part): Correctly traverse the
214         list.
215
216 2008-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
217
218         PR 29673
219         * doc/invoke.texi (Debugging Options): Remove -fdump-tree-inlined.
220         Add -fdump-ipa-inline.
221         * tree-dump.c (dump_files): Remove tree-inlined dump.
222         * tree-pass.h (tree_dump_index): Remove TDI_inlined.
223         
224 2008-02-12  Richard Guenther  <rguenther@suse.de>
225
226         PR tree-optimization/35171
227         * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Deal with
228         default defs.
229
230 2008-02-12  Richard Guenther  <rguenther@suse.de>
231
232         PR middle-end/35163
233         * fold-const.c (fold_widened_comparison): Use get_unwidened in
234         value-preserving mode.  Disallow final truncation.
235
236 2008-02-12  Eric Botcazou  <ebotcazou@adacore.com>
237
238         PR middle-end/35136
239         * gimplify.c (force_gimple_operand_bsi): Move SSA renaming
240         code from here to...
241         (force_gimple_operand): ...here.
242
243 2008-02-12  Jakub Jelinek  <jakub@redhat.com>
244
245         PR c++/35144
246         * tree-sra.c (sra_build_assignment): fold_convert SRC if copying
247         non-compatible pointers.
248         (generate_element_copy): If SRC and DST are RECORD_TYPEs with
249         different FIELD_DECLs, try harder by comparing field offsets, sizes
250         and types.
251
252         PR inline-asm/35160
253         * function.c (match_asm_constraints_1): Don't replace the same input
254         multiple times.
255
256 2008-02-12  Anatoly Sokolov <aesok@post.ru>
257
258         * config/avr/avr.h (AVR_HAVE_RAMPZ): Define.
259         * config/avr/avr.c (expand_prologue): Save RAMPZ register.
260         (expand_epilogue): Restore RAMPZ register.
261         * config/avr/avr.md (RAMPZ_ADDR): New constant.
262
263 2008-02-11  Kai Tietz  <kai.tietz@onevision.com>
264
265         * config/i386/cygwin.asm: (__alloca): Correct calling
266         convention and alignment.
267         (__chkstk): Force 8 byte stack alignment.
268
269 2008-02-11  Uros Bizjak  <ubizjak@gmail.com>
270             Richard Guenther  <rguenther@suse.de>
271
272         PR tree-optimization/33992
273         * tree-ssa-loop-im.c (rewrite_bittest): Fixup the type of
274         the zero we compare against.
275
276 2008-02-10  Danny Smith  <dannysmith@users.sourceforge.net>
277
278         PR libfortran/35063
279         * gthr-win32.h (__gthread_mutex_destroy_function): New function
280         to CloseHandle after unlocking to prevent accumulation of handle
281         count.
282
283 2008-02-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
284
285         PR middle_end/34150
286         * pa.c (legitimize_pic_address): Add REG_EQUAL note on sets with a
287         pic_label_operand source.  Similarly, add a REG_LABEL_OPERAND note
288         and update LABEL_NUSES during and after reload.
289
290 2008-02-08  Steven Bosscher  <stevenb.gcc@gmail.com>
291
292         PR middle-end/34627
293         * combine.c (simplify_if_then_else): Make sure the comparison is
294         against const0_rtx when simplifying to (abs x) or (neg (abs X)).
295
296 2008-02-08  Richard Sandiford  <rsandifo@nildram.co.uk>
297
298         PR bootstrap/35051
299         * double-int.h: Don't include gmp.h for GENERATOR_FILEs.
300         (mpz_set_double_int, mpz_get_double_int): Hide from GENERATOR_FILEs.
301         * real.h: Don't include gmp.h or mpfr.h for GENERATOR_FILEs.
302         (real_from_mpfr, mpfr_from_real): Hide from GENERATOR_FILEs.
303         * tree.h (get_type_static_bounds): Likewise.
304
305 2008-02-08  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
306
307         * doc/invoke.texi (Option Summary, C++ Dialect Options)
308         (Objective-C and Objective-C++ Dialect Options, Warning Options):
309         Make -Wfoo language annotations match what the compiler outputs.
310
311 2008-02-08  Sa Liu  <saliu@de.ibm.com>
312
313         * config/spu/spu-builtins.def: Fixed wrong parameter type in spu 
314         intrinsics spu_convts, spu_convtu, spu_convtf.
315         * testsuite/gcc.target/spu/intrinsics-3.c: New. Test error messages.
316
317 2008-02-08  Hans-Peter Nilsson  <hp@axis.com>
318
319         * doc/extend.texi (Function Attributes) <noinline>: Mention
320         asm ("") as method to keep calls.
321
322 2008-02-07  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
323
324         PR other/32754
325         * doc/options.texi (Options): Replace references to opts.sh with
326         optc-gen.awk.
327         * opts-common.c: Likewise.
328         * optc-gen.awk: Likewise.
329         
330 2008-02-07  Andreas Krebbel  <krebbel1@de.ibm.com>
331
332         * config/s390/s390.h (FUNCTION_ARG_REGNO_P): Fix fprs for 64 bit.
333
334 2008-02-07  Richard Henderson  <rth@redhat.com>
335
336         PR rtl-opt/33410
337         * config/alpha/alpha.c (alpha_emit_xfloating_compare): Use an
338         EXPR_LIST for the REG_EQUAL instead of a comparison with a 
339         funny mode.
340
341 2008-02-07  Uros Bizjak  <ubizjak@gmail.com>
342
343         PR tree-optimization/35085
344         * tree-ssa-reassoc.c (rewrite_expr_tree): Enable destructive update
345         for operand entry oe2 in addition to operand entry oe3 in order to
346         expose more opportunities for vectorizer sum reduction.
347
348 2008-02-06  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
349
350         PR other/35107
351         * Makefile.in (LIBS): Remove $(GMPLIBS).
352         (cc1-dummy, cc1): Add $(GMPLIBS).
353
354 2008-02-06  Jan Hubicka  <jh@suse.cz>
355
356         PR target/23322
357         * i386.md (moddf_integer): Do not produce partial memory stalls for
358         targets where it hurts.
359
360 2008-02-06  Uros Bizjak  <ubizjak@gmail.com>
361
362         PR target/35083
363         * optabs.c (expand_float): Do not check for decimal modes when
364         expanding unsigned integer through signed conversion.
365
366 2008-02-06  Nick Clifton  <nickc@redhat.com>
367
368         * config/stormy16/stormy16.md (eqbranchsi): Replace a match_dup
369         inside the clobber with a match_operand and duplicated operand
370         number in the constraint.
371         (ineqbranchsi): Delete redundant comment.
372
373 2008-02-06  Ralf Corsepius  <ralf.corsepius@rtems.org>
374
375         * config/arm/rtems-elf.h (TARGET_OS_CPP_BUILTINS): Add 
376         builtin_define ("__USE_INIT_FINI__").
377         * config/h8300/t-rtems (MULTILIB_OPTION,MULTILIB_DIRNAMES): Add
378         -msx multilibs.
379         * gthr-rtems.h: Remove __GTHREAD_MUTEX_INIT.
380
381 2008-02-06  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
382
383         PR documentation/30330
384         * doc/invoke.texi (C++ Dialect Options)
385         (Objective-C and Objective-C++ Dialect Options, Warning Options):
386         For each warning option -Wfoo that allows -Wno-foo, ensure both
387         -Wfoo and -Wno-foo are listed in the option index.  Fix index
388         entry of -Wswitch-default, index -Wnormalized= including the
389         `=', and -Wlarger-than-@var{len} including @var{len}.
390
391 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
392
393         * config/i386/i386.md (floatunssisf2): Use
394         ix86_expand_convert_uns_sisf_sse also for TARGET_SSE.
395         (floatunssi<mode>2): Rename from floatunssisf2 and floatunssidf2.
396         Macroize expander using MODEF mode iterator.
397
398 2008-02-05  Diego Novillo  <dnovillo@google.com>
399
400         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00140.html
401
402         PR 33738
403         * tree-vrp.c (vrp_evaluate_conditional): Revert fix for PR 33738.
404
405 2008-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
406
407         PR other/35070
408         * toplev.c (print_version): Honor `indent' for GMP/MPFR warnings.
409
410 2008-02-05  H.J. Lu  <hongjiu.lu@intel.com>
411
412         PR target/35084
413         * config/i386/i386.c (ix86_function_sseregparm): Add an arg
414         to indicate if a message should be generated.
415         (init_cumulative_args): Updated.
416         (function_value_32): Likewise.
417
418 2008-02-05  Joseph Myers  <joseph@codesourcery.com>
419
420         * doc/include/texinfo.tex: Update to version 2008-02-04.16.
421
422 2008-02-05  Uros Bizjak  <ubizjak@gmail.com>
423
424         PR target/35083
425         * config/i386/i386.md (floatunsisf2): Enable for TARGET_SSE_MATH only.
426         Call ix86_expand_convert_uns_sisf_sse for TARGET_SSE2.
427
428 2008-02-04  Diego Novillo  <dnovillo@google.com>
429
430         http://gcc.gnu.org/ml/gcc-patches/2008-02/msg00110.html
431
432         PR 33738
433         * tree-vrp.c (vrp_evaluate_conditional): With
434         -Wtype-limits, emit a warning when comparing against a
435         constant outside the natural range of OP0's type.
436
437 2008-02-04  Richard Guenther  <rguenther@suse.de>
438
439         PR middle-end/33631
440         * expr.c (count_type_elements): Give for unions instead of
441         guessing.
442
443 2008-02-04  Richard Guenther  <rguenther@suse.de>
444
445         PR middle-end/35043
446         * gimplify.c (gimplify_init_ctor_eval): Convert array indices
447         to TYPE_DOMAINs base type instead of using bitsizetype here.
448
449 2008-02-03  Jason Merrill  <jason@redhat.com>
450
451         * print-tree.c (print_node) [CONSTRUCTOR]: Print elements.
452
453 2008-02-04  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
454
455         PR other/29972
456         * doc/invoke.texi (C++ Dialect Options, Optimize Options)
457         (HPPA Options, i386 and x86-64 Options, IA-64 Options)
458         (RS/6000 and PowerPC Options): Fix typos and markup.
459         * doc/passes.texi (Tree-SSA passes): Likewise.
460
461 2008-02-02  Michael Matz  <matz@suse.de>
462
463         PR target/35045
464         * postreload-gcse.c (record_last_reg_set_info_regno): Renamed
465         from record_last_reg_set_info.
466         (record_last_reg_set_info): Take an RTX argument, iterate over all
467         constituent hardregs.
468         (record_last_set_info, record_opr_changes): Change calls to
469         new signature or to record_last_reg_set_info_regno.
470
471 2008-02-02  Gerald Pfeifer  <gerald@pfeifer.com>
472
473         * doc/extend.texi (X86 Built-in Functions): Fix grammar.
474
475 2008-02-01  Hans-Peter Nilsson  <hp@axis.com>
476
477         PR rtl-optimization/34773
478         * reg-notes.def (EQUAL): Mention significance of combination of
479         REG_EQUAL and REG_RETVAL.
480         * fwprop.c (try_fwprop_subst): Don't add REG_EQUAL to an
481         insn that has a REG_RETVAL.
482
483 2008-02-01  Roger Sayle  <roger@eyesopen.com>
484
485         PR bootstrap/33781
486         * configure.ac (--enable-fixed-point): Disable unless explicitly
487         requested on IRIX.
488         * configure: Regenerate.
489
490 2008-02-01  Richard Guenther  <rguenther@suse.de>
491
492         PR other/35042
493         * invoke.texi (-finline-limit): Remove no longer true parts
494         of the documentation.  Note that there is no default value.
495
496 2008-02-01  Andrew Pinski  <pinskia@gmail.com>
497             Mark Mitchell  <mark@codesourcery.com>
498             Ben Elliston  <bje@au.ibm.com>
499
500         PR c/29326
501         * doc/extend.texi (Other Builtins): Document.
502
503 2008-01-31  Tom Browder <tom.browder@gmail.com>
504
505         * doc/c-tree.texi (Types): Fix grammar.
506         (Expression trees): Ditto.
507         * doc/passes.texi (Tree-SSA passes): Ditto.
508         
509         * doc/configterms.texi (Configure Terms): Fix typo.
510         * doc/cpp.texi (Common Predefined Macros): Ditto.
511         * doc/md.texi (Machine Constraints): Ditto.
512         
513         * doc/makefile.texi (Makefile): Add comma.
514
515 2008-01-31  Tom Browder  <tom.browder@gmail.com>
516             Gerald Pfeifer  <gerald@pfeifer.com>
517         
518         * doc/sourcebuild.texi (Front End): Remove references to CVS
519         and CVSROOT/modules.
520         (Texinfo Manuals): Replace reference to CVS by one to SVN.
521         (Back End): Remove reference to CVS.
522
523 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
524
525         PR target/34900
526         * config/mips/mips.c (gen_load_const_gp): New function, taking a
527         comment from...
528         (mips16_gp_pseudo_reg): ...here.
529         * config/mips/mips.md (load_const_gp): Replace with...
530         (load_const_gp_<mode>): ...this :P-based insn.
531
532 2008-01-31  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
533
534         * doc/invoke.texi (-ansi): Mention explicitly corresponding -std=
535         options. Minor fixes.
536         (-std): Move reference to standards closer to where language
537         standards are first mentioned.
538         
539 2008-01-31  Richard Sandiford  <rsandifo@nildram.co.uk>
540
541         PR rtl-optimization/34995
542         * reload.c (alternative_allows_const_pool_ref): Take an rtx
543         parameter and return a bool.  If the rtx parameter is nonnull,
544         check that it satisfies an EXTRA_MEMORY_CONSTRAINT.
545         (find_reloads): Update call accordingly.  Pass the new operand
546         if it needed no address reloads, otherwise pass null.
547
548 2008-01-30  Richard Henderson  <rth@redhat.com>
549
550         PR c/34993
551         * tree.c (build_type_attribute_qual_variant): Skip TYPE_DOMAIN
552         for unbounded arrays.
553
554 2008-01-30  Silvius Rus  <rus@google.com>
555
556         * config/i386/xmmintrin.h (_mm_prefetch): Add const to first arg.
557
558 2008-01-30  Jan Hubicka  <jh@suse.cz>
559
560         PR target/34982
561         * i386.c (init_cumulative_args): Use real function declaration when
562         calling locally.
563
564 2008-01-30  Richard Sandiford  <rsandifo@nildram.co.uk>
565
566         PR rtl-optimization/34998
567         * global.c (build_insn_chain): Treat non-subreg_lowpart
568         SUBREGs of pseudos as clobbering all the words covered by the
569         SUBREG, not just all the bytes.
570         * ra-conflict.c (clear_reg_in_live): Likewise.  Take the
571         original df_ref rather than an extract parameter.
572         (global_conflicts): Update call accordingly.
573
574 2008-01-30  Andreas Krebbel  <krebbel1@de.ibm.com>
575
576         * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): Rearrange
577         the overflow check to make it easier to read.
578         (__fixtfdi): Change the type of the ll member in union
579         long_double to UDItype_x.
580
581 2008-01-30  Jakub Jelinek  <jakub@redhat.com>
582
583         PR middle-end/34969
584         * cgraph.h (cgraph_update_edges_for_call_stmt): New prototype.
585         * cgraph.c (cgraph_update_edges_for_call_stmt): New function.
586         * tree-inline.c (fold_marked_statements): Call
587         cgraph_update_edges_for_call_stmt if folding a call statement.
588         * cgraphunit.c (verify_cgraph_node): Set cfun to this_cfun for
589         debug_generic_stmt calls, reset it back afterwards.
590
591         PR c/35017
592         * c-decl.c (start_decl): Don't pedwarn about TREE_READONLY
593         static decls.
594         * c-typeck.c (build_external_ref): Don't pedwarn about
595         static vars in current function's scope.
596
597 2008-01-29  Joseph Myers  <joseph@codesourcery.com>
598
599         * config.gcc (i[34567]86-*-nto-qnx*): Remove deprecation.
600
601 2008-01-29  Bernhard Fischer  <aldot@gcc.gnu.org>
602
603         PR c/35002
604         * ipa-struct-reorg.c: Fix spelling.
605         * params.def: Ditto.
606
607 2008-01-29  Richard Guenther  <rguenther@suse.de>
608
609         PR middle-end/35006
610         * tree-inline.h (struct copy_body_data): Add remapping_type_depth
611         field.
612         * tree-inline.c (remap_type): Increment remapping_type_depth
613         around remapping types.
614         (copy_body_r): Only add referenced variables if they are referenced
615         from code, not types.
616
617 2008-01-29  Douglas Gregor  <doug.gregor@gmail.com>
618
619         PR c++/34055
620         PR c++/34103
621         PR c++/34219
622         PR c++/34606
623         PR c++/34753
624         PR c++/34754
625         PR c++/34755
626         PR c++/34919
627         PR c++/34961
628         * c-pretty-print.c (pp_c_type_qualifier_list): Don't try to print
629         qualifiers for an ERROR_MARK_NODE or a NULL_TREE.
630
631 2008-01-28  Andy Hutchinson   <hutchinsonandy@netscape.net>
632
633         PR target/34412
634         * config/avr/avr.c (expand_prologue): Use correct QI mode frame 
635         pointer for tiny stack.
636
637 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
638
639         * doc/tree-ssa.texi: Add cindex PHI nodes and improve wording.
640
641 2008-01-28  Bernhard Fischer  <aldot@gcc.gnu.org>
642
643         * config/vx-common.h: Fix typo in comment.
644
645 2008-01-28  Ian Lance Taylor  <iant@google.com>
646
647         PR c++/34862
648         PR c++/33407
649         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
650         coalesce pointers if they have different DECL_NO_TBAA_P values.
651         * tree-ssa-copy.c (may_propagate_copy): Don't propagate copies
652         between variables with different DECL_NO_TBAA_P values.
653
654 2008-01-28  Nathan Froyd  <froydnj@codesourcery.com>
655
656         PR 31535
657         * config/rs6000/rs6000.c (small_data_operand): Vectors and floats
658         are not legitimate small data references on SPE targets.
659
660 2008-01-28  David Daney  <ddaney@avtrex.com>
661
662         * doc/install.texi (mips-*-*): Recommend binutils 2.18.
663
664 2008-01-28  David Daney  <ddaney@avtrex.com>
665
666         * doc/install.texi (--disable-libgcj-bc):  Reword documentation.
667
668 2008-01-27  Joseph Myers  <joseph@codesourcery.com>
669
670         * config.gcc (strongarm*-*, ep9312*-*, xscale*-*, parisc*-*,
671         m680[012]0-*, *-*-beos*, *-*-kaos*, *-*-linux*aout*,
672         *-*-linux*libc1*, *-*-solaris2.[0-6], *-*-solaris2.[0-6].*,
673         *-*-sysv*, *-*-windiss*, alpha*-*-unicosmk*, cris-*-aout,
674         hppa1.1-*-pro*, hppa1.1-*-osf*, hppa1.1-*-bsd*,
675         i[34567]86-sequent-ptx4*, i[34567]86-*-nto-qnx*,
676         i[34567]86-*-sco3.2v5*, i[34567]86-*-uwin*, powerpc-*-chorusos*,
677         vax-*-bsd*, vax-*-ultrix*): Mark obsolete.
678
679 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
680
681         * basic-block.h (condjump_equiv_p): Fix comment.
682
683 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
684
685         * tree-pretty-print.c (print_generic_decl, print_generic_stmt,
686         print_generic_stmt_indented): Fix comment.
687
688 2008-01-27  Bernhard Fischer  <aldot@gcc.gnu.org>
689
690         * configure.ac (__stack_chk_fail): Add detecion for availability
691         of SSP in uClibc by checking if __UCLIBC_HAS_SSP__ is defined.
692         * configure: Regenerate.
693
694 2008-01-26  Maxim Kuvyrkov  <maxim@codesourcery.com>
695
696         PR middle-end/34688
697         * final.c (output_addr_const): Handle TRUNCATE.
698
699 2008-01-26  Zdenek Dvorak  <ook@ucw.cz>
700
701         PR target/34711
702         * tree-ssa-loop-ivopts.c (comp_cost): New type.
703         (zero_cost, infinite_cost): New constants.
704         (struct cost_pair): Change type of cost to comp_cost.
705         (struct iv_ca): Change type of cand_use_cost and cost to comp_cost.
706         (new_cost, add_costs, sub_costs, compare_costs, infinite_cost_p):
707         New functions.
708         (set_use_iv_cost, force_expr_to_var_cost, force_var_cost,
709         split_address_cost, ptr_difference_cost, difference_cost,
710         get_computation_cost_at, get_computation_cost,
711         determine_use_iv_cost_generic, determine_use_iv_cost_address,
712         determine_use_iv_cost_condition, determine_use_iv_costs,
713         cheaper_cost_pair, iv_ca_recount_cost, iv_ca_set_no_cp,
714         iv_ca_set_cp, iv_ca_cost, iv_ca_new, iv_ca_dump, iv_ca_extend,
715         iv_ca_narrow, iv_ca_prune, try_improve_iv_set, find_optimal_iv_set):
716         Change type of cost to comp_cost.
717         (determine_iv_cost): Increase cost of non-original ivs, instead
718         of decreasing the cost of original ones.
719         (get_address_cost): Indicate the complexity of the addressing mode 
720         in comp_cost.
721         (try_add_cand_for): Prefer using ivs not specific to some object.
722         * tree-flow.h (force_expr_to_var_cost): Declaration removed.
723
724 2008-01-26  Peter Bergner  <bergner@vnet.ibm.com>
725             Janis Johnson  <janis187@us.ibm.com>
726
727         PR target/34814
728         * doc/tm.texi (TARGET_EXPAND_TO_RTL_HOOK): Document.
729         (TARGET_INSTANTIATE_DECLS): Likewise.
730         * target.h (expand_to_rtl_hook): New target hook.
731         (instantiate_decls): Likewise.
732         * function.c (instantiate_decl): Make non-static.  Rename to...
733         (instantiate_decl_rtl): ... this.
734         (instantiate_expr): Use instantiate_decl_rtl.
735         (instantiate_decls_1): Likewise.
736         (instantiate_decls): Likewise.
737         (instantiate_virtual_regs: Call new instantiate_decls taget hook.
738         * function.h (instantiate_decl_rtl): Add prototype.
739         * cfgexpand.c (target.h): New include.
740         (tree_expand_cfg): Call new expand_to_rtl_hook target hook.
741         * target-def.h (TARGET_EXPAND_TO_RTL_HOOK): New define.
742         (TARGET_INSTANTIATE_DECLS): Likewise.
743         (TARGET_INITIALIZER): New target hooks added.
744         * config/rs6000/rs6000-protos.h (rs6000_secondary_memory_needed_rtx):
745         New prototype.
746         * config/rs6000/rs6000.c (tree-flow.h): New include.
747         (machine_function): Add sdmode_stack_slot field.
748         (rs6000_alloc_sdmode_stack_slot): New function.
749         (rs6000_instantiate_decls): Likewise.
750         (rs6000_secondary_memory_needed_rtx): Likewise.
751         (rs6000_check_sdmode): Likewise.
752         (TARGET_EXPAND_TO_RTL_HOOK): Target macro defined.
753         (TARGET_INSTANTIATE_DECLS): Likewise.
754         (rs6000_hard_regno_mode_ok): Allow SDmode.
755         (num_insns_constant): Likewise.  Handle _Decimal32 constants.
756         (rs6000_emit_move): Handle SDmode.
757         (function_arg_advance): Likewise.
758         (function_arg): Likewise.
759         (rs6000_gimplify_va_arg): Likewise.  Add special handling of
760         SDmode var args for 32-bit compiles.
761         (rs6000_secondary_reload_class): Handle SDmode.
762         (rs6000_output_function_epilogue): Likewise.
763         (rs6000_function_value): Simplify if statement.
764         (rs6000_libcall_value): Likewise.
765         * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Handle SDmode.
766         (SECONDARY_MEMORY_NEEDED_RTX): Add define.
767         * config/rs6000/dfp.md (movsd): New define_expand and splitter.
768         (movsd_hardfloat): New define_insn.
769         (movsd_softfloat): Likewise.
770         (movsd_store): Likewise.
771         (movsd_load): Likewise.
772         (extendsddd2): Likewise.
773         (extendsdtd2): Likewise.
774         (truncddsd2): Likewise.
775         (movdd_hardfloat64): Fixup comment.
776         (UNSPEC_MOVSD_LOAD): New constant.
777         (UNSPEC_MOVSD_STORE): Likewise.
778
779 2008-01-26  Jakub Jelinek  <jakub@redhat.com>
780
781         PR c++/34965
782         * c-pretty-print.c (pp_c_exclusive_or_expression): Handle
783         TRUTH_XOR_EXPR.
784         (pp_c_logical_and_expression): Handle TRUTH_AND_EXPR.
785         (pp_c_logical_or_expression): Handle TRUTH_OR_EXPR.
786         (pp_c_expression): Handle TRUTH_AND_EXPR, TRUTH_OR_EXPR
787         and TRUTH_XOR_EXPR.
788
789 2008-01-26  David Edelsohn  <edelsohn@gnu.org>
790
791         PR target/34794
792         * config.gcc: Separate AIX 5.3 from AIX 6.1.
793         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
794         __LONGDOUBLE128 too.
795         * config/rs6000/aix61.h: New file.
796
797 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
798
799         PR rtl-optimization/34959
800         * optabs.c (expand_unop): In libcall notes, give ffs, clz, ctz,
801         popcount and parity rtxes the same mode as their operand.
802         Truncate or extend the result to the return value's mode
803         if necessary.
804
805 2008-01-26  Richard Sandiford  <rsandifo@nildram.co.uk>
806
807         PR target/34981
808         * config/mips/mips-protos.h (mips_expand_call): Return an rtx.
809         * config/mips/mips.h (FIRST_PSEUDO_REGISTER): Rename FAKE_CALL_REGNO
810         to GOT_VERSION_REGNUM.
811         (CALL_REALLY_USED_REGISTERS): Set the GOT_VERSION_REGNUM entry to 0.
812         (EPILOGUE_USES): Include GOT_VERSION_REGNUM if TARGET_USE_GOT.
813         * config/mips/mips.c (mips_emit_call_insn): New function.
814         (mips_call_tls_get_addr): Call mips_expand_call directly.
815         (mips16_copy_fpr_return_value): Use mips_emit_call_insn rather than
816         emit_call_insn.
817         (mips16_build_call_stub): Likewise.  Return the call insn or null.
818         (mips_expand_call): Update the call to mips16_build_call_stub
819         accordingly and a remove redundant condition.  Assert that MIPS16
820         stubs do not use lazy binding.  Use mips_emit_call_insn and return
821         the call insn.
822         (mips_extra_live_on_entry): Include GOT_VERSION_REGNUM if
823         TARGET_USE_GOT.
824         (mips_hard_regno_mode_ok_p): Allow SImode for GOT_VERSION_REGNUM.
825         (mips_avoid_hazard): Remove hazard_set handling.
826         * config/mips/mips.md (UNSPEC_EH_RECEIVER): Rename to...
827         (UNSPEC_RESTORE_GP): ...this.
828         (UNSPEC_SET_GOT_VERSION, UNSPEC_UPDATE_GOT_VERSION): New constants.
829         (FAKE_CALL_REGNO): Rename to...
830         (GOT_VERSION_REGNUM): ...this.
831         (type): Add "ghost" value.  Add an associated insn reservation.
832         (hazard_set): Remove.
833         (exception_receiver): Rename to...
834         (restore_gp): ...this and update the unspec identifier accordingly.
835         (exception_receiver, nonlocal_got_receiver): New expanders.
836         (load_call<mode>): Use GOT_VERSION_REGNUM.  Don't set
837         FAKE_CALL_REGNO.  Remove hazard_set attribute.
838         (set_got_version, update_got_version): New patterns.
839
840 2008-01-26  Danny Smith  <dannysmith@users.sourceforge.net>
841
842         PR target/34970
843         * config/i386/cygming.h (ASM_OUTPUT_LABELREF): Define.
844
845 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
846
847         PR other/31955
848         * doc/install.texi2html: Generate gcc-vers.texi.
849
850 2008-01-25  DJ Delorie  <dj@redhat.com>
851
852         * config/m32c/m32c.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
853
854 2008-01-25  Joseph Myers  <joseph@codesourcery.com>
855
856         * config/c4x: Remove directory.
857         * config.gcc (crx-*, mt-*): Mark obsolete.
858         (c4x-*, tic4x-*, c4x-*-rtems*, tic4x-*-rtems*, c4x-*, tic4x-*,
859         h8300-*-rtemscoff*, ns32k-*-netbsdelf*, ns32k-*-netbsd*,
860         sh-*-rtemscoff*): Remove cases.
861         * defaults.h (C4X_FLOAT_FORMAT): Remove.
862         * real.c (encode_c4x_single, decode_c4x_single,
863         encode_c4x_extended, decode_c4x_extended, c4x_single_format,
864         c4x_extended_format): Remove.
865         * real.h (c4x_single_format, c4x_extended_format): Remove.
866         * doc/extend.texi (interrupt, naked): Remove mention of attributes
867         on C4x.
868         (Pragmas): Remove comment about c4x pragmas.
869         * doc/install.texi (c4x): Remove target-specific instructions.
870         * doc/invoke.texi (TMS320C3x/C4x Options): Remove.
871         * doc/md.texi (Machine Constraints): Remove C4x documentation.
872         * doc/tm.texi (MEMBER_TYPE_FORCES_BLK, c_register_pragma): Do not
873         refer to C4x source files as examples.
874         (C4X_FLOAT_FORMAT): Remove documentation.
875
876 2008-01-25  Bernd Schmidt  <bernd.schmidt@analog.com>
877
878         * config/bfin/bfin.c (override_options): Reorder tests so that
879         flag_pic gets enabled for -msep-data.
880
881 2008-01-25  Richard Guenther  <rguenther@suse.de>
882
883         PR middle-end/32244
884         * expr.c (expand_expr_real_1): Reduce result of LSHIFT_EXPR
885         to its bitfield precision if required.
886
887 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
888
889         PR middle-end/33880
890         * tree-nested.c (walk_omp_for): New function.
891         (convert_nonlocal_reference, convert_local_reference): Call
892         walk_omp_for on OMP_FOR.
893         (convert_call_expr): Call walk_body on OMP_FOR's
894         OMP_FOR_PRE_INIT_BODY.
895
896 2008-01-25  Richard Guenther  <rguenther@suse.de>
897
898         PR tree-optimization/34966
899         * tree-ssa-math-opts.c (execute_cse_sincos_1): For all but
900         default defs and PHI_NODEs we have to insert after the
901         defining statement.
902
903 2008-01-24  Nick Clifton  <nickc@redhat.com>
904
905         * config/stormy16/stormy16-lib2.c (MIN_UNITS_PER_WORD):
906         Provide a default definition.
907         (LIBGCC2_UNITS_PER_WORD): Likewise.
908
909         * config/stormy16/stormy16.c: Include df.h for the prototype
910         for df_regs_ever_live_p.
911         (xstormy16_expand_builtin_va_start): Convert the stack offset
912         into a component_ref and then use POINTER_PLUS_EXPR to add it
913         to the incoming_virtual_args_rtx.
914         (xstormy16_gimplify_va_arg_expr): Rename to
915         xstormy16_gimplify_va_arg_expr.
916         Use POINTER_PLUS_EXPR when performing pointer arithmetic.
917         (TARGET_GIMPLIFY_VA_ARG_EXPR): Use renamed
918         xstormy16_gimplify_va_arg_expr.
919         Fix up some formatting issues.
920
921         * config/stormy16/stormy16.c: (xstormy16_carry_plus_operand):
922         Move to predicates.md.
923         (xs_hi_general_operand): Likewise.
924         (xs_hi_nonmemory_operand): Likewise.
925         * config/stormy16/predicates.md:
926         (xstormy16_carry_plus_operand): New predicate.
927         (xs_hi_general_operand): New predicate.
928         (xs_hi_nonmemory_operand): New predicate.
929         * config/stormy16/stormy16-protos.h:
930         (xstormy16_carry_plus_operand): Delete prototype.
931         (xs_hi_general_operand): Likewise.
932         (xs_hi_nonmemory_operand): Likewise.
933
934         * config/storm16/stormy16.md (addhi3): Remove earlyclobber
935         modifiers as they are no longer needed and they can trigger
936         reload spill failures.
937
938         * config/storm16/stormy16.md (ineqbranchsi): Replace match_dup
939         with a match_operand in order to help reload.
940
941         * config/storm16/stormy16.md (movhi_internal): Replace 'r'
942         constraint with 'e' for the 8th alternative as this version of
943         the mov.w instruction only accepts the lower 8 registers.
944
945 2008-01-25  Uros Bizjak  <ubizjak@gmail.com>
946
947         PR target/34856
948         * simplifx-rtx.c (simplify_const_binary_operation) [VEC_CONCAT]:
949         Consider only CONST_INT, CONST_DOUBLE and CONST_FIXED as constant
950         vector elements.
951
952 2008-01-25  Jakub Jelinek  <jakub@redhat.com>
953
954         PR middle-end/33333
955         * gimplify.c (gimplify_omp_for): Gimplify OMP_FOR_PRE_BODY.
956
957 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
958
959         * ipa-struct-reorg.c (remove_str_allocs_in_func, remove_str_allocs):
960         New functions.
961         (remove_structure): Update allocations list before removing structure.
962         
963 2008-01-25  Golovanevsky Olga  <olga@il.ibm.com>
964
965         * ipa-struct-reorg.c (is_safe_cond_expr, 
966         create_new_stmts_for_cond_expr): Use integer_zerop function,
967         that recognize not only zero-pointer, but zero-integer too.
968
969 2008-01-25  Ben Elliston  <bje@au.ibm.com>
970
971         PR other/22232
972         * fixproto: Escape "." in sed expression that strips leading "./".
973
974 2008-01-24  H.J. Lu  <hongjiu.lu@intel.com>
975
976         PR driver/34904
977         * gcc.c (SWITCH_OK): Removed.
978         (SWITCH_LIVE): Changed to bit.
979         (SWITCH_FALSE): Likewise.
980         (SWITCH_IGNORE): Likewise.
981         (switchstr): Change live_cond to unsigned int.
982         (process_command): Replace SWITCH_OK with 0.
983         (do_self_spec): Likewise.
984         (set_collect_gcc_options): Check the SWITCH_IGNORE bit.
985         (give_switch): Likewise.
986         (used_arg): Likewise.
987         (do_spec_1): Set the SWITCH_IGNORE bit.
988         (check_live_switch): Check both SWITCH_LIVE and SWITCH_FALSE
989         bits.  Set the SWITCH_LIVE bit.
990
991 2008-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
992
993         * config/s390/s390.h (MOVE_RATIO): Define new target macro.
994
995 2008-01-24  Richard Sandiford  <rsandifo@nildram.co.uk>
996
997         PR tree-optimization/34472
998         * ipa-struct-reorg.c (safe_cond_expr_check): Change the DATA
999         parameter to a "bool *" and set *DATA to false if there is
1000         an unsafe access.  Do not delete the structure here.
1001         (check_cond_exprs): Delete it here instead.
1002         (check_cond_exprs, exclude_cold_structs): Do not increase
1003         I when removing a structure.
1004
1005 2008-01-24  Uros Bizjak  <ubizjak@gmail.com>
1006
1007         PR target/34856
1008         * config/i386/i386.c (ix86_expand_vector_init): Consider only
1009         CONST_INT, CONST_DOUBLE and CONST_FIXED as constant vector elements.
1010
1011 2008-01-24  Jakub Jakub Jelinek  <jakub@redhat.com>
1012
1013         PR middle-end/34934
1014         * tree-stdarg.c (reachable_at_most_once): Use VEC vector instead of
1015         a fixed vector for stack.
1016
1017 2008-01-24  Ben Elliston  <bje@au.ibm.com>
1018
1019         PR c++/25701
1020         * doc/gcc.texi (Software development): Add a direntry for g++.
1021         
1022 2008-01-23  Hans-Peter Nilsson  <hp@axis.com>
1023
1024         * config/cris/cris.h (CC1PLUS_SPEC, OPTIMIZATION_OPTIONS): Drop
1025         stale and straggling -fforce-addr comments above.
1026
1027         * config/cris/cris.h (CRIS_SUBTARGET_VERSION, TARGET_VERSION): Don't
1028         define.
1029         * config/cris/linux.h (CRIS_SUBTARGET_VERSION): Don't define.
1030         * config/cris/aout.h (CRIS_SUBTARGET_VERSION): Don't define.
1031
1032 2008-01-23  Michael Matz  <matz@suse.de>
1033
1034         PR debug/34895
1035         * dwarf2out.c (force_type_die): Use modified_type_die instead of
1036         gen_type_die.
1037
1038 2008-01-23  Andreas Krebbel  <krebbel1@de.ibm.com>
1039
1040         * ipa-struct-reorg.c (create_new_malloc): Use pointer type as
1041         malloc result type.
1042
1043 2008-01-23 Anatoly Sokolov <aesok@post.ru>
1044
1045         * config/avr/avr.c (avr_current_arch): New variable.
1046         (avr_arch_types): Add 'avr31' and 'avr51' entries.
1047         (avr_arch): Add 'ARCH_AVR31' and 'ARCH_AVR51'.
1048         (avr_mcu_types): Add 'avr31' and 'avr51' architectures.
1049         (avr_override_options): Init 'avr_current_arch'. 
1050         (base_arch_s): Move from here...
1051         * config/avr/avr.h (base_arch_s): ... here. Add new members 
1052         'have_elpm', 'have_elpmx', 'have_eijmp_eicall', 'reserved'. Rename 
1053         'mega' to 'have_jmp_call'.
1054         (TARGET_CPU_CPP_BUILTINS): Define "__AVR_HAVE_JMP_CALL__", 
1055         "__AVR_HAVE_RAMPZ__",   "__AVR_HAVE_ELPM__" and  "__AVR_HAVE_ELPMX__"
1056         macros.
1057         (LINK_SPEC, CRT_BINUTILS_SPECS, ASM_SPEC): Add 'avr31' and 'avr51' 
1058         architectures.
1059         * config/avr/t-avr (MULTILIB_OPTIONS, MULTILIB_DIRNAMES, 
1060         MULTILIB_MATCHES): (Ditto.).
1061
1062 2008-01-23  Richard Guenther  <rguenther@suse.de>
1063
1064         PR middle-end/31529
1065         * cgraphunit.c (cgraph_reset_node): Always mark the node
1066         not reachable if it is not queued already.
1067
1068 2008-01-23  Bernd Schmidt  <bernd.schmidt@analog.com>
1069
1070         * config/bfin/bfin-protos.h (WA_RETS, ENABLE_WA_RETS): New macros.
1071         * config/bfin/bfin.c (bfin_cpus): Add WA_RETS everywhere.
1072         (cputype_selected): New static variable.
1073         (bfin_handle_option): Set it if -mcpu is used.
1074         (override_option): Select default set of workarounds if no cpu type
1075         selected on the command line.
1076         (workaround_rts_anomaly): Only run if ENABLE_WA_RETS.
1077
1078         From  Michael Frysinger  <michael.frysinger@analog.com>
1079         * config/bfin/bfin-protos.h (enum bfin_cpu_type): Add
1080         BFIN_CPU_BF547, BFIN_CPU_BF523, BFIN_CPU_BF524, and BFIN_CPU_BF526.
1081
1082         * config/bfin/elf.h (LIB_SPEC): Use proper linker script
1083         for bf547, bf523, bf524, and bf526.
1084         * config/bfin/bfin.c (bfin_cpus[]): Add bf547,  bf523, bf524, and
1085         bf526.
1086         * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
1087         __ADSPBF523__ for bf523, __ADSPBF524__ for bf524,
1088         __ADSPBF526__ for bf526, __ADSPBF52x__ for all three, as well as
1089         __ADSPBF547__ and __ADSPBF54x__ for bf547.
1090         * doc/invoke.texi (Blackfin Options): Document that
1091         -mcpu now accept bf547, bf523, bf524, and bf526.
1092
1093 2008-01-22  Eric Botcazou  <ebotcazou@adacore.com>
1094
1095         PR rtl-optimization/34628
1096         * combine.c (try_combine): Stop and undo after the first combination
1097         if an autoincrement side-effect on the first insn has effectively
1098         been lost.
1099
1100 2008-01-22  David Edelsohn  <edelsohn@gnu.org>
1101
1102         PR target/34529
1103         * config/rs6000/rs6000.c (rs6000_legitimate_offset_address_p):
1104         Offset addresses are not valid for Altivec or paired float modes.
1105
1106 2008-01-22  Jakub Jelinek  <jakub@redhat.com>
1107
1108         PR c++/34607
1109         * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for
1110         if DECL_INITIAL (decl) is error_mark_node.
1111
1112         PR c++/34914
1113         * c-common.c (handle_vector_size_attribute): Only allow
1114         integral, scalar float and fixed point types.  Handle OFFSET_TYPE
1115         the same way as pointer, array etc. types.
1116         * tree.c (reconstruct_complex_type): Handle OFFSET_TYPE.
1117
1118         PR c++/34917
1119         * tree.c (build_type_attribute_qual_variant): Call
1120         build_qualified_type if attributes are equal, but quals are not.
1121
1122 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1123
1124         PR 32102
1125         * doc/invoke.texi (-Wall): -Wall enables -Wstrict-overflow=1.
1126         * flags.h (warn_strict_aliasing): Remove.
1127         (warn_strict_overflow): Remove.
1128         * opts.c (warn_strict_aliasing): Remove.
1129         (warn_strict_overflow): Remove.
1130         * c-opts.c (c_common_handle_option): -Wall only sets
1131         -Wstrict-aliasing or -Wstrict-overflow if they are uninitialized.
1132         (c_common_post_options): Give default values to -Wstrict-aliasing
1133         and -Wstrict-overflow if they are uninitialized.
1134         * common.opt (Wstrict-aliasing): Specify Var and Init.
1135         (Wstrict-overflow): Likewise.
1136
1137 2008-01-22  Kenneth Zadeck <zadeck@naturalbridge.com>
1138
1139         PR rtl-optimization/26854
1140         PR rtl-optimization/34400
1141         PR rtl-optimization/34884
1142         * ddg.c (create_ddg_dep_from_intra_loop_link): Use
1143         DF_RD->gen.
1144         * df.h (df_changeable_flags.DF_RD_NO_TRIM): Deleted
1145         (df_rd_bb_info.expanded_lr_out): Deleted
1146         * loop_invariant.c (find_defs): Deleted DF_RD_NO_TRIM flag.
1147         * loop_iv.c (iv_analysis_loop_init): Ditto.  * df-problems.c
1148         (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1149         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1150         Removed code to allocate, initialize or free expanded_lr_out.
1151         (df_rd_bb_local_compute_process_def): Restructured to make more
1152         understandable.
1153         (df_rd_confluence_n): Removed code to no apply invalidate_by_call
1154         sets if the sets are being trimmed.
1155
1156 2008-01-22  H.J. Lu  <hongjiu.lu@intel.com>
1157
1158         PR bootstrap/32287
1159         * configure.ac (ld_vers): Support GNU linker version xx.xx.*
1160         (as_vers): Likewise.
1161         * configure: Regenerated.
1162
1163 2008-01-22  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1164
1165         PR middle-end/33092
1166         * tree-pass.h (pass_build_alias): New pass.
1167         * tree-ssa-alias.c (gate_build_alias): New.
1168         (pass_build_alias): New.
1169         * passes.c (init_optimization_passes): Add pass_build_alias after
1170         pass_create_structure_vars.
1171
1172 2008-01-22  Wolfgang Gellerich  <gellerich@de.ibm.com>
1173
1174         * config/s390/s390.h (S390_TDC_POSITIVE_NORMALIZED_NUMBER):
1175         Renamed to S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER.
1176         (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): Renamed to
1177         S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER.
1178         (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): Renamed to
1179         S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER.
1180         (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): Renamed to
1181         S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER.
1182         (S390_TDC_POSITIVE_NORMALIZED_BFP_NUMBER): New constant.
1183         (S390_TDC_NEGATIVE_NORMALIZED_BFP_NUMBER): New constant.
1184         (S390_TDC_POSITIVE_DENORMALIZED_BFP_NUMBER): New constant.
1185         (S390_TDC_NEGATIVE_DENORMALIZED_BFP_NUMBER): New constant.
1186         * config/s390/s390.md (FP_ALL): New mode iterator.
1187         (_d): New mode attribute.
1188         ("*signbit<mode>2>"): Changed mode of first operand.
1189         ("isinf<mode>2"): Changed mode of first operand.
1190         ("*TDC_insn"): Adaptation for DFP modes.
1191
1192 2008-01-22  Ben Elliston  <bje@au.ibm.com>
1193
1194         * tree.c (check_qualified_type): Improve function description.
1195
1196 2008-01-21  Jason Merrill  <jason@redhat.com>
1197
1198         PR c++/34196
1199         * tree.h (TRY_CATCH_IS_CLEANUP): New macro.
1200         * tree-eh.c (honor_protect_cleanup_actions): Strip TRY_CATCH_EXPR
1201         if it is set.
1202
1203 2008-01-21  DJ Delorie  <dj@redhat.com>
1204
1205         * doc/tm.texi (HARD_REGNO_NREGS): Note that this macro must not
1206         return zero.
1207
1208 2008-01-21  Richard Guenther  <rguenther@suse.de>
1209
1210         PR middle-end/34856
1211         * tree-cfg.c (verify_expr): Allow all invariant expressions
1212         instead of just constant class ones as reference argument.
1213         * tree-ssa-loop-im.c (for_each_index): Handle CONSTRUCTOR
1214         like any other constant.
1215         * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Likewise.
1216
1217 2008-01-21  H.J. Lu  <hongjiu.lu@intel.com>
1218
1219         * regmove.c (fixup_match_1): Update call crossed frequencies.
1220
1221 2008-01-21  Richard Guenther  <rguenther@suse.de>
1222
1223         PR c/34885
1224         * tree-inline.c (setup_one_parameter): Deal with mismatched
1225         types using a VIEW_CONVERT_EXPR.
1226
1227 2008-01-21  Alon Dayan  <alond@il.ibm.com>
1228             Olga Golovanevsky  <olga@il.ibm.com>
1229         
1230         PR tree-optimization/34701
1231         * ipa-struct-reorg.c (gen_size): Fix the malloc parameter calculation
1232         when the structure size is not a power of 2.
1233
1234 2008-01-20  Kenneth Zadeck <zadeck@naturalbridge.com>
1235
1236         * doc/install.texi: Add doc for --enable-checking=df.
1237         
1238 2008-01-20  Kaz Kojima  <kkojima@gcc.gnu.org>
1239
1240         PR rtl-optimization/34808
1241         * emit-rtl.c (try_split): Handle REG_RETVAL notes.
1242
1243 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
1244
1245         * global.c (find_reg): Only compute EH_RETURN_DATA_REGNO once per
1246         input.
1247
1248 2008-01-19  Kenneth Zadeck <zadeck@naturalbridge.com>
1249
1250         PR rtl-optimization/26854
1251         PR rtl-optimization/34400
1252         * ddg.c (create_ddg_dep_from_intra_loop_link): Do not use
1253         DF_RD->gen.
1254         * df.h (df_changeable_flags.DF_RD_NO_TRIM): New.
1255         (df_rd_bb_info.expanded_lr_out): New.
1256         * loop_invariant.c (find_defs): Added DF_RD_NO_TRIM flag.
1257         * loop_iv.c (iv_analysis_loop_init): Ditto.
1258         * df-problems.c (df_rd_free_bb_info, df_rd_alloc, df_rd_confluence_n,
1259         df_rd_bb_local_compute, df_rd_transfer_function, df_rd_free):
1260         Added code to allocate, initialize or free expanded_lr_out.
1261         (df_rd_bb_local_compute_process_def): Restructured to make
1262         more understandable.
1263         (df_rd_confluence_n): Add code to do nothing with fake edges and
1264         code to no apply invalidate_by_call sets if the sets are being trimmed.
1265         (df_lr_local_finalize): Renamed to df_lr_finalize.
1266         (df_live_local_finalize): Renamed to df_live_finalize.
1267
1268 2008-01-20  Richard Sandiford  <rsandifo@nildram.co.uk>
1269
1270         PR target/34831
1271         * config/mips/mips.md (div<mode>3): Use <recip_condition> when
1272         deciding whether to use reciprocal instructions.
1273
1274 2008-01-19  Uros Bizjak  <ubizjak@gmail.com>
1275
1276         * dwarf2out.c (dwarf2out_switch_text_section): Do not call
1277         dwarf2out_note_section_used if cold_text_section is NULL.
1278
1279 2008-01-19  Jakub Jelinek  <jakub@redhat.com>
1280
1281         PR gcov-profile/34610
1282         * tree-cfg.c (make_edges): Mark both outgoing edges from
1283         OMP_CONTINUE and from OMP_FOR as EDGE_ABNORMAL.
1284         * omp-low.c (expand_omp_for): Clear EDGE_ABNORMAL bits
1285         from OMP_FOR and OMP_CONTINUE outgoing edges.
1286
1287         * tree-profile.c (tree_profiling): Return early if
1288         cfun->after_tree_profile != 0.  Set cfun->after_tree_profile
1289         at the end.
1290         * omp-low.c (expand_omp_parallel): Copy after_tree_profile
1291         from cfun to child_cfun.
1292         * function.h (struct function): Add after_tree_profile bit.
1293
1294 2008-01-19 Anatoly Sokolov <aesok@post.ru>
1295
1296         * config/avr/avr.S (_exit): Disable interrupt.
1297
1298 2008-01-18  Kenneth Zadeck  <zadeck@naturalbridge.com>
1299             Steven Bosscher  <stevenb.gcc@gmail.com>
1300
1301         PR rtl-optimization/26854
1302         PR rtl-optimization/34400
1303         * df-problems.c (df_live_scratch): New scratch bitmap.
1304         (df_live_alloc): Allocate df_live_scratch when doing df_live.
1305         (df_live_reset): Clear the proper bitmaps.
1306         (df_live_bb_local_compute): Only process the artificial defs once
1307         since the order is not important.
1308         (df_live_init): Init the df_live sets only with the variables
1309         found live by df_lr.
1310         (df_live_transfer_function): Use the df_lr sets to prune the
1311         df_live sets as they are being computed.  
1312         (df_live_free): Free df_live_scratch.
1313
1314 2008-01-18  Ian Lance Taylor  <iant@google.com>
1315
1316         * common.opt: Add fmerge-debug-strings.
1317         * dwarf2out.c (DEBUG_STR_SECTION_FLAGS): Test
1318         flag_merge_debug_strings rather than flag_merge_constants.
1319         * doc/invoke.texi (Option Summary): Mention
1320         -fmerge-debug-strings.
1321         (Debugging Options): Document -fmerge-debug-strings.
1322
1323 2008-01-18  Ian Lance Taylor  <iant@google.com>
1324
1325         PR c++/33407
1326         * tree.h (DECL_IS_OPERATOR_NEW): Define.
1327         (struct tree_function_decl): Add new field operator_new_flag.
1328         * tree-inline.c (expand_call_inline): When inlining a call to
1329         operator new, force the return value to go into a variable, and
1330         set DECL_NO_TBAA_P on that variable.
1331         * c-decl.c (merge_decls): Merge DECL_IS_OPERATOR_NEW flag.
1332
1333 2008-01-18  Uros Bizjak  <ubizjak@gmail.com>
1334
1335         PR debug/34484
1336         * dwarf2out.c (dwarf2out_switch_text_section): Do not guard with
1337         DWARF2_DEBUGGING_INFO.
1338         (dwarf2out_note_section_used): Ditto.  Add prototype.
1339         (have_multiple_function_sections, text_section_used,
1340         cold_text_section_used, *cold_text_sections): Move declarations
1341         before their uses.
1342
1343 2008-01-17  Bob Wilson  <bob.wilson@acm.org>
1344
1345         * config/xtensa/unwind-dw2-xtensa.h (_Unwind_FrameState): Remove pc
1346         field and add signal_ra.
1347         * config/xtensa/unwind-dw2-xtensa.c (uw_frame_state_for): Remove
1348         assignments to frame state pc.  Move end of stack check after
1349         MD_FALLBACK_FRAME_STATE_FOR.
1350         (uw_update_context_1): Use frame state signal_regs if set, instead
1351         of checking signal_frame flag.
1352         (uw_update_context): Use frame state signal_ra if set.
1353         * config/xtensa/linux.h (MD_UNWIND_SUPPORT): Define.
1354         * config/xtensa/linux-unwind.h: New file.
1355
1356 2008-01-18  Bernhard Fischer  <aldot@gcc.gnu.org>
1357
1358         * modulo-sched.c (get_sched_window): Fix comment typo.
1359
1360 2008-01-17  Andrew MacLeod  <amacleod@redhat.com>
1361
1362         PR tree-optimization/34648
1363         * tree-ssa-sccvn.c (visit_use): Expressions which can throw are varying.
1364
1365 2008-01-17  Anatoly Sokolov <aesok@post.ru>
1366
1367         * config/avr/avr.h (LINK_SPEC): Support -mrelax and -mpmem-wrap-around.
1368         * config/avr/avr.opt (mrelax, mpmem-wrap-around): Add.
1369
1370 2008-01-17  Seongbae Park  <seongbae.park@gmail.com>
1371
1372         PR rtl-optimization/34400
1373         * df-core.c (df_worklist_dataflow_overeager,
1374         df_worklist_dataflow_doublequeue): New functions.
1375         (df_worklist_dataflow): Two different worklist solvers.
1376         * params.def (PARAM_DF_DOUBLE_QUEUE_THRESHOLD_FACTOR):
1377         New param.
1378
1379 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
1380
1381         PR testsuite/34821
1382         * doc/invoke.texi: Document the dependence on pthread for fopenmp
1383         and ftree-parallelize-loops.
1384
1385 2008-01-17  Mircea Namolaru  <namolaru@il.ibm.com>
1386
1387         PR rtl-optimization/34826
1388         * loop-doloop (doloop_modify): Update the REG_BR_PROB note.
1389
1390 2008-01-17  Andreas Krebbel  <krebbel1@de.ibm.com>
1391
1392         * global.c (find_reg): Mark the eh regs as used if necessary.
1393         * ra-conflict.c (global_conflicts): Set no_eh_reg flag.
1394         * ra.h (struct allocno): no_eh_reg field added.  Changed
1395         no_stack_reg type to bitfield.
1396
1397 2008-01-17  Eric Botcazou  <ebotcazou@adacore.com>
1398
1399         * tree.c (substitute_in_expr): Add missing 'break'.
1400
1401 2008-01-17  Richard Guenther  <rguenther@suse.de>
1402
1403         PR tree-optimization/34825
1404         * tree-ssa-math-opts.c (is_division_by): Do not recognize
1405         x / x as division to handle.
1406
1407 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1408
1409         * pa64-hpux.h (LIB_SPEC): Add "-lpthread" in shared links if "-mt" or
1410         "-pthread" is specified.
1411         * pa-hpux11.h (LIB_SPEC): Likewise.
1412
1413 2008-01-16  Janis Johnson  <janis187@us.ibm.com>
1414             Peter Bergner  <bergner@vnet.ibm.com>
1415
1416         PR rtl-optimization/33796
1417         * sparseset.c (sparseset_alloc): Use xcalloc rather than xmalloc.
1418
1419 2008-01-16  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1420
1421         PR libgfortran/34699
1422         * pa-hpux.h (LINK_SPEC): Only search /lib/pa1.1 and /usr/lib/pa1.1 on
1423         static links.
1424         * pa-hpux10.h (LINK_SPEC): Likewise.
1425         * pa-hpux11.h (LINK_SPEC): Don't search /lib/pa1.1 and /usr/lib/pa1.1.
1426
1427 2008-01-16  Richard Guenther  <rguenther@suse.de>
1428
1429         PR middle-end/32628
1430         * fold-const.c (fold_convert_const_int_from_int): Do not
1431         set overflow if that occured only because of a sign extension
1432         change when converting from/to a sizetype with the same
1433         precision and signedness.
1434
1435 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
1436
1437         PR debug/34249
1438         * dwarf2out.c (output_call_frame_info): Move output of FDE initial
1439         location address to the correct place.  Update copyright year.
1440
1441 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
1442
1443         * lambda-code.c (lambda_transform_legal_p): Handle the case of
1444         no dependences in the dependence_relations vector.
1445
1446 2008-01-16  Jan Hubicka  <jh@suse.cz>
1447
1448         PR rtl-optimization/31396
1449         * regstat.c (regstat_bb_compute_ri): Compute FREQ_CALLS_CROSSED.
1450         * cfg.c (dump_reg_info): Print it.
1451         * regs.h (struct reg_info_t): add freq_calls_crossed.
1452         (REG_FREQ_CALLS_CROSSED): New macro.
1453         * global.c (global_alloc): Compute freq_calls_crossed for allocno.
1454         (find_reg): Update call of CALLER_SAVE_PROFITABLE.
1455         * regmove.c (optimize_reg_copy_1, optimize_reg_copy_2, fixup_match_2,
1456         regmove_optimize): Update call crossed frequencies.
1457         * local-alloc.c (struct qty): Add freq_calls_crossed.
1458         (alloc_qty): Copute freq_calls_crossed.
1459         (update_equiv_regs, combine_regs): Update REG_FREQ_CALLS_CROSSED.
1460         (find_free_reg): Update call of CALLER_SAVE_PROFITABLE.
1461         * ra.h (struct allocno): Add freq_calls_crossed.
1462
1463 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
1464
1465         * gcc.c (LINK_COMMAND_SPEC): Add includes and link options for
1466         libgomp when compiling with ftree-parallelize-loops.
1467         (GOMP_SELF_SPECS): Add -pthread for ftree-parallelize-loops.
1468
1469 2008-01-16  Richard Guenther  <rguenther@suse.de>
1470
1471         PR tree-optimization/34769
1472         * tree-data-ref.c (initialize_matrix_A): Revert fix for PR34458.
1473         * tree.c (int_cst_value): Instead make this function more
1474         permissive in what it accepts as valid input.  Document this
1475         function always sign-extends the value.
1476
1477 2008-01-16  Jakub Jelinek  <jakub@redhat.com>
1478             Richard Guenther  <rguenther@suse.de>
1479
1480         PR c/34668
1481         * gimplify.c (fold_indirect_ref_rhs): Rename to ...
1482         (gimple_fold_indirect_ref_rhs): ... this.
1483         (gimple_fold_indirect_ref): New function with foldings
1484         that preserve lvalueness.
1485         (gimplify_modify_expr_rhs): Call gimple_fold_indirect_ref_rhs.
1486         * tree-flow.h (gimple_fold_indirect_ref): Declare.
1487         * tree-inline.c (copy_body_r): Use gimple_fold_indirect_ref
1488         to fold an INDIRECT_REF, fall back to the old use of
1489         fold_indirect_ref_1.
1490
1491 2008-01-16  Sebastian Pop  <sebastian.pop@amd.com>
1492
1493         * tree-data-ref.c (subscript_dependence_tester_1): Call 
1494         free_conflict_function.
1495         (compute_self_dependence): Same.
1496
1497 2008-01-16  Uros Bizjak  <ubizjak@gmail.com>
1498
1499         PR debug/34249
1500         * debug.h (dwarf2out_switch_text_section): Move declaration from ...
1501         * dwarf2out.c (dwarf2out_switch_text_section): ... here.  Make
1502         function global.
1503         * final.c (final_scan_insn) [NOTE_INSN_SWITCH_TEXT_SECTIONS]:
1504         Depending on dwarf2out_do_frame, call dwarf2out_switch_text_section
1505         for DWARF2_UNWIND_INFO targets.
1506
1507 2008-01-16  Richard Guenther  <rguenther@suse.de>
1508
1509         PR c/34768
1510         * c-typeck.c (common_pointer_type): Do not merge inconsistent
1511         type qualifiers for function types.
1512
1513 2008-01-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
1514
1515         * tree-parloops.c (gen_parallel_loop): Fix ommision of declaration for
1516         loop_iterator li from previous commit.
1517
1518 2008-01-15  Sebastian Pop  <sebastian.pop@amd.com>
1519
1520         * tree-parloops.c (gen_parallel_loop): Free loop bound estimations.
1521
1522 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
1523
1524         * tree-parloops.c (loop_has_blocks_with_irreducible_flag): New.
1525         (parallelize_loops): Don't parallelize irreducible components.
1526
1527 2008-01-14  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1528
1529         PR c++/24924
1530         * c-opts (c_common_post_options): Do not enable CPP
1531         flag_pedantic_errors by default.
1532         
1533 2008-01-14  Eric Botcazou  <ebotcazou@adacore.com>
1534
1535         PR rtl-optimization/31944
1536         * cse.c (remove_pseudo_from_table): New function.
1537         (merge_equiv_classes): Use above function to remove pseudo-registers.
1538         (invalidate): Likewise.
1539
1540 2008-01-13  Richard Guenther  <rguenther@suse.de>
1541
1542         PR middle-end/34601
1543         * emit-rtl.c (set_reg_attrs_for_decl_rtl): Use DECL_MODE
1544         instead of TYPE_MODE to deal with calls from expand_one_error_var.
1545
1546 2008-01-13  Uros Bizjak  <ubizjak@gmail.com>
1547
1548         * gcse.c (cprop_jump): Call validate_unshare_change instead of
1549         validate_change to unshare the source of the PC set.
1550
1551 2008-01-12  Jan Hubicka  <jh@suse.cz>
1552
1553         PR middle-end/32135
1554         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Do not construct
1555         references above array bounds.  This might trigger bounds checks for
1556         pointers to arrays.
1557
1558 2008-01-12  Sebastian Pop  <sebastian.pop@amd.com>
1559
1560         * tree-ssa-ter.c (free_temp_expr_table): Free num_in_part and
1561         new_replaceable_dependencies.
1562
1563 2008-01-12  Doug Kwan  <dougkwan@google.com>
1564
1565         * c-decl.c: (grokdeclarator): Use OPT_Wignored_qualifiers
1566         instead of OPT_Wreturn_type in warning due to ignored return type
1567         qualifiers.
1568         * c-opt.c (c_common_post_option): Add -Wignored-qualifiers to
1569         options included in -Wextra.
1570         * c.opt: New option -Wignored_qualifiers.
1571         * doc/invoke.texi (Warning Options, -Wextra): Add new option
1572         -Wignore_qualifiers.
1573         (-Wignored-qualifiers): Document.
1574         (-Wreturn-type): Remove description of functionality now handled
1575         by -Wignored-qualifiers.
1576
1577 2008-01-12  Eric Botcazou  <ebotcazou@adacore.com>
1578
1579         PR ada/33788
1580         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Fold an existing
1581         NOP_EXPR if it is between integral types with the same precision.
1582
1583 2008-01-12  Jan Hubicka  <jh@suse.cz>
1584
1585         PR other/28023
1586         * invoke.texi (max-inline-recursive-depth): Fix default value.
1587
1588 2008-01-12  Zdenek Dvorak  <ook@ucw.cz>
1589
1590         * tree-parloops.c (transform_to_exit_first_loop): Cast nit to the
1591         correct type.
1592
1593 2008-01-11  Bob Wilson  <bob.wilson@acm.org>
1594         
1595         * config/xtensa/xtensa.c (override_options): Set flag_shlib.
1596         
1597 2008-01-11  James E. Wilson  <wilson@specifix.com>
1598
1599         PR target/26015
1600         * config/vax/elf.h (FRAME_POINTER_CFA_OFFSET): Define.
1601
1602 2008-01-11  Anatoly Sokolov <aesok@post.ru>
1603
1604         * config/avr/avr.c (expand_prologue, expand_epilogue): Don't 
1605         save/restore frame pointer register and don't use 'call-prologues' 
1606         optimization in function with "OS_task" attribute.
1607
1608 2008-01-11  Eric Botcazou  <ebotcazou@adacore.com>
1609
1610         PR middle-end/31309
1611         * expr.c (copy_blkmode_from_reg): Use a mode suited to the size
1612         when copying to memory.
1613
1614 2008-01-11  Steven Bosscher  <stevenb.gcc@gmail.com>
1615
1616         PR rtl-optimization/30905
1617         * cfgcleanup.c: Include dce.h
1618         (crossjumps_occured): New global variable.
1619         (try_crossjump_bb): Exit loop after finding a fallthru edge.
1620         If something changed, set crossjumps_occured to true.
1621         (try_optimize_cfg): Clear crossjumps_occured at the beginning.
1622         Don't add/remove fake edges to exit here...
1623         (cleanup_cfg): ...but do it here, when crossjumping.
1624         Run a fast DCE when successful crossjumps occured in the latest
1625         iteration of try_optimize_cfg.
1626
1627 2008-01-11  Richard Guenther  <rguenther@suse.de>
1628
1629         * tree-ssa-sccvn.c (struct vn_binary_op_s): Move hashcode near opcode.
1630         (struct vn_unary_op_s): Likewise.
1631         (vn_reference_insert): Free old reference on hash collision.
1632
1633 2008-01-10  Raksit Ashok  <raksit@google.com>
1634
1635         PR rtl-optimization/27971
1636         * combine.c (find_split_point): Split PLUS expressions which are
1637         inside a MEM rtx, and whose first operand is complex.
1638
1639 2008-01-10  DJ Delorie  <dj@redhat.com>
1640
1641         * config/m32c/m32c.c (m32c_hard_regno_nregs_1): Renamed from...
1642         (m32c_hard_regno_nregs): ...this, which is now a wrapper.
1643         (m32c_hard_regno_ok): Call the underlying function.
1644
1645 2008-01-10  Richard Guenther  <rguenther@suse.de>
1646
1647         PR middle-end/34683
1648         * tree-cfg.c (tree_merge_blocks): Do not go through the
1649         full-blown folding and stmt updating path if we just deal
1650         with virtual operands.
1651         * tree-ssa-copy.c (may_propagate_copy): Do not short-cut
1652         test for abnormal SSA_NAMEs.
1653
1654 2008-01-10  Andreas Krebbel  <krebbel1@de.ibm.com>
1655
1656         PR middle-end/34641
1657         * reload.c (push_reload): Add assertions.  All constants from
1658         reg_equiv_constant should have been used for replacing the respective
1659         pseudo earlier.
1660         (find_reloads_address): Invoke find_reloads_address_part for
1661         constant taken from the reg_equiv_constant array.
1662
1663 2008-01-10  Steven Bosscher  <stevenb.gcc@gmail.com>
1664
1665         * tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
1666         field (valnum) the first in the struct.  Replace bools with
1667         unit bit fields.
1668
1669 2008-01-10  Richard Guenther  <rguenther@suse.de>
1670
1671         PR tree-optimization/34651
1672         * tree-sra.c (sra_build_assignment): Sanitize.  Use the correct
1673         types and ordering for masking and converting.
1674
1675 2008-01-09  Sebastian Pop  <sebastian.pop@amd.com>
1676
1677         PR tree-optimization/34017
1678         * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Generate code
1679         also for PHI_NODE expressions.
1680
1681 2008-01-09  Jan Hubicka  <jh@suse.cz>
1682
1683         PR tree-optimization/34708
1684         * tree-inline.c (estimate_num_insns_1): Compute cost of SWITCH_EXPR
1685         based on number of case labels.
1686         (init_inline_once): Remove switch_cost.
1687         * tree-inline.h (eni_weights_d): Remove switch_cost.
1688
1689 2008-01-09  Richard Guenther  <rguenther@suse.de>
1690         Andrew Pinski  <andrew_pinski@playstation.sony.com>
1691
1692         PR middle-end/30132
1693         * gimplify.c (gimplify_cond_expr): Do not create an addressable
1694         temporary if an rvalue is ok or an lvalue is not required.
1695
1696 2008-01-09  Richard Guenther  <rguenther@suse.de>
1697
1698         PR middle-end/34458
1699         * tree-data-ref.c (initialize_matrix_A): Use tree_low_cst,
1700         adjust return type.
1701
1702 2008-01-09  Richard Guenther  <rguenther@suse.de>
1703
1704         PR middle-end/34679
1705         * tree.c (host_integerp): Check for sizetype only if the
1706         type is an integer type.
1707
1708 2008-01-09  Steven Bosscher  <stevenb.gcc@gmail.com>
1709
1710         PR debug/26364
1711         * opts.c (decode_options): Disable inlining of functions called
1712         once if not in unit-at-a-time mode.
1713
1714 2008-01-09  Alexandre Oliva  <aoliva@redhat.com>
1715
1716         * Makefile.in (dse.o): Remove duplicate $(RECOG_H) dependency.
1717
1718 2008-01-08  Richard Guenther  <rguenther@suse.de>
1719
1720         PR middle-end/31863
1721         * tree-ssa-structalias.c (push_fields_onto_fieldstack): Bail
1722         out early if the result will be unused.
1723
1724 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
1725
1726         PR target/34709
1727         Revert:
1728
1729         2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1730         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1731         for TARGET_RECIP.       
1732         
1733 2008-01-08  Jan Sjodin  <jan.sjodin@amd.com>
1734         
1735         * config/i386/i386.c (k8_cost, amdfam10_cost): Branch costs
1736         for vectorization tuned.
1737         
1738 2008-01-08  Richard Guenther  <rguenther@suse.de>
1739
1740         PR tree-optimization/34683
1741         * tree-ssa-operands.c (operand_build_cmp): Export.
1742         * tree-ssa-operands.h (operand_build_cmp): Declare.
1743         * tree-vn.c (vuses_compare): Remove.
1744         (sort_vuses): Use operand_build_cmp.
1745         (sort_vuses_heap): Likewise.
1746         * tree-ssa-sccvn.c (vuses_to_vec): Use VEC_reserve, not VEC_alloc
1747         to re-use old VEC if available.  Do not sort already sorted VUSEs.
1748         (vdefs_to_vec): Do not sort already sorted VDEFs.
1749
1750 2008-01-08  Jakub Jelinek  <jakub@redhat.com>
1751
1752         PR middle-end/34694
1753         * omp-low.c (copy_var_decl): Copy also DECL_SOURCE_LOCATION.
1754
1755 2008-01-08  Uros Bizjak  <ubizjak@gmail.com>
1756
1757         PR target/34702
1758         * doc/invoke.texi (i386 and x86-64 Options) [mrecip]: Document
1759         limitations of reciprocal sequences on x86 targets.
1760
1761 2008-01-08  Richard Guenther  <rguenther@suse.de>
1762
1763         PR tree-optimization/34683
1764         * tree-flow-inline.h (var_ann): Remove overzealous asserts.
1765
1766 2008-01-07  Jakub Jelinek  <jakub@redhat.com>
1767
1768         PR target/34622
1769         * config/darwin.c (darwin_mergeable_string_section): Don't use
1770         .cstring if int_size_in_bytes != TREE_STRING_LENGTH.
1771
1772 2008-01-07  Uros Bizjak  <ubizjak@gmail.com>
1773
1774         PR target/34682
1775         * config/i386/i386.md (neg<mode>2): Rename from negsf2, negdf2 and
1776         negxf2.  Macroize expander using X87MODEF mode iterator.  Change
1777         predicates of op0 and op1 to register_operand.
1778         (abs<mode>2): Rename from abssf2, absdf2 and negxf2.  Macroize
1779         expander using X87MODEF mode iterator.  Change predicates of
1780         op0 and op1 to register_operand.
1781         ("*absneg<mode>2_mixed", "*absneg<mode>2_sse"): Rename from
1782         corresponding patterns and macroize using MODEF macro.  Change
1783         predicates of op0 and op1 to register_operand and remove
1784         "m" constraint. Disparage "r" alternative with "!".
1785         ("*absneg<mode>2_i387"): Rename from corresponding patterns and
1786         macroize using X87MODEF macro.  Change predicates of op0 and op1
1787         to register_operand and remove "m" constraint.  Disparage "r"
1788         alternative with "!".
1789         (absneg splitter with memory operands): Remove.
1790         ("*neg<mode>2_1", "*abs<mode>2_1"): Rename from corresponding
1791         patterns and macroize using X87MODEF mode iterator.
1792         * config/i386/sse.md (negv4sf2, absv4sf2, neg2vdf2, absv2df2):
1793         Change predicate of op1 to register_operand.
1794         * config/i386/i386.c (ix86_expand_fp_absneg_operator): Remove support
1795         for memory operands.
1796
1797 2008-01-07  Nathan Froyd  <froydnj@codesourcery.com>
1798
1799         * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add clause for mcpu=8548.
1800
1801 2008-01-07  Richard Guenther  <rguenther@suse.de>
1802
1803         * basic-block.h (struct edge_def): Pair dest_idx with goto_locus
1804         fields.
1805
1806 2008-01-07  Richard Guenther  <rguenther@suse.de>
1807
1808         PR tree-optimization/34683
1809         * tree-ssa-sccvn.c (vuses_to_vec): Pre-allocate the vector of
1810         VOPs of the needed size to save memory.  Use VEC_quick_push
1811         to save compile-time.
1812         (vdefs_to_vec): Likewise.
1813
1814 2008-01-07  Sa Liu  <saliu@de.ibm.com>
1815
1816         * config/spu/spu.md (divdf3): Genetate inline code for double
1817         division.  The implementation doesn't handle INF or NAN, therefore it
1818         only applies when -ffinite-math-only is given.
1819
1820 2008-01-06  Paolo Carlini  <pcarlini@suse.de>
1821
1822         PR libstdc++/34680
1823         * c-cppbuiltin.c (c_cpp_builtins): Define __GXX_RTTI, if appropriate.
1824         * doc/cpp.texi ([Common Predefined Macros]): Document.
1825
1826 2008-01-06  Uros Bizjak  <ubizjak@gmail.com>
1827
1828         * config/i386/i386.c (ix86_emit_swsqrtsf): Use negative constants in
1829         order to use commutative addition instead of subtraction.
1830
1831 2008-01-06  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1832             Mircea Namolaru  <namolaru@il.ibm.com>
1833             Vladimir Yanovsky  <yanov@il.ibm.com>
1834             Revital Eres  <eres@il.ibm.com>
1835
1836         PR tree-optimization/34263
1837         * tree-outof-ssa.c (process_single_block_loop_latch,
1838         contains_tree_r): New functions.
1839         (analyze_edges_for_bb): Call process_single_block_loop_latch
1840         function to empty single-basic-block latch block if possible.
1841
1842 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1843
1844         * config/i386/i386.c (ix86_builtin_reciprocal): Remove check
1845         for TARGET_RECIP.
1846         (ix86_emit_swsqrtsf): Do not filter out infinity for rsqrt expansion.
1847
1848 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
1849
1850         * c-omp.c (check_omp_for_incr_expr): Handle CONVERT_EXPR.
1851
1852 2008-01-05  Richard Sandiford  <rsandifo@nildram.co.uk>
1853
1854         * config/mips/mips.c (mips_in_small_data_p): Reinstate size > 0 check.
1855
1856 2008-01-05  Jakub Jelinek  <jakub@redhat.com>
1857
1858         PR tree-optimization/34618
1859         * tree-outof-ssa.c (create_temp): Copy over DECL_GIMPLE_REG_P
1860         flag from T.
1861
1862 2008-01-05  Uros Bizjak  <ubizjak@gmail.com>
1863
1864         PR target/34673
1865         * config/i386/i386.c (ix86_emit_swsqrtsf): Swap input operands
1866         in the call to gen_rtx_NE.  Remove unneeded VECTOR_MODE_P check.
1867         Update copyright year.
1868
1869         * config/i386/i386.md (rsqrtsf2): Enable for TARGET_SSE_MATH.
1870         Update copyright year.
1871         * config/i386/sse.md (rsqrtv4sf2): Ditto. Unconditionally expand
1872         using NR fixup.
1873
1874 2008-01-05  Zhouyi Zhou  <zhouzhouyi@FreeBSD.org>
1875
1876         * tree-vrp.c (find_conditional_asserts): Remove redundant check that
1877         edge does not point to current bb before changing need_assert.
1878
1879 2008-01-04  Richard Guenther  <rguenther@suse.de>
1880
1881         PR middle-end/34029
1882         * tree-cfg.c (verify_expr): Do not look inside ADDR_EXPRs
1883         for verifying purposes if they are is_gimple_min_invariant.
1884
1885 2008-01-04  Aldy Hernandez  <aldyh@redhat.com>
1886
1887         PR tree-optimization/34448
1888         PR tree-optimization/34465
1889         * gimplify.c (gimplify_init_constructor): Add new parameter
1890         notify_temp_creation.  Use it.
1891         (gimplify_modify_expr_rhs): Take volatiles into account when
1892         optimizing constructors.
1893         Do not optimize constructors if gimplify_init_constructor will dump to
1894         memory.
1895         * gcc.dg/tree-ssa/pr32901.c: Tests const volatiles.
1896         * gcc.c-torture/compile/pr34448.c: New.
1897
1898 2008-01-04  Jakub Jelinek  <jakub@redhat.com>
1899
1900         PR gcov-profile/34609
1901         * tree-inline.c (declare_return_variable): Set TREE_ADDRESSABLE on
1902         return_slot if result is TREE_ADDRESSABLE.
1903
1904 2008-01-04  Richard Sandiford  <rsandifo@nildram.co.uk>
1905
1906         * config/mips/mips.md (sqrt_condition): Tweak comment.
1907         (recip_condition): Likewise.  Require TARGET_FLOAT64 for DFmode.
1908
1909 2008-01-03  Tom Tromey  <tromey@redhat.com>
1910
1911         PR c/34457
1912         * c-common.c (c_type_hash): Handle VLAs.
1913
1914 2008-01-03  Jan Hubicka  <jh@suse.cz>
1915
1916         PR tree-optimization/31081
1917         * tree-inline.c (remap_ssa_name): Initialize uninitialized SSA vars to
1918         0 when inlining and not inlining to first basic block.
1919         (remap_decl): When var is initialized to 0, don't set default_def.
1920         (expand_call_inline): Set entry_bb.
1921         * tree-inline.h (copy_body_data): Add entry_bb.
1922
1923 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
1924
1925         PR c++/34619
1926         * cgraphunit.c (cgraph_build_static_cdtor): set_cfun back to NULL
1927         before returning.
1928
1929         PR tree-optimization/29484
1930         * tree-inline.c (inline_forbidden_p_2): New function.
1931         (inline_forbidden_p): Disallow inlining if some static var
1932         has an address of a local LABEL_DECL in its initializer.
1933         * doc/extend.texi (Labels as Values): Document &&foo behaviour
1934         vs. inlining.
1935
1936 2008-01-03  Sebastian Pop  <sebastian.pop@amd.com>
1937
1938         PR tree-optimization/34635
1939         * tree-data-ref.c (add_other_self_distances): Make sure that the
1940         evolution step is constant.
1941
1942 2008-01-03  Jakub Jelinek  <jakub@redhat.com>
1943
1944         PR middle-end/34608
1945         * omp-low.c (expand_omp_parallel): Purge dead EH edges in the child fn.
1946
1947 2008-01-02  Richard Sandiford  <rsandifo@nildram.co.uk>
1948
1949         * tree-sra.c (scalarize_init): Insert the generate_element_init
1950         statements after the generate_element_zero statements.
1951
1952 2008-01-02  Richard Guenther  <rguenther@suse.de>
1953
1954         PR middle-end/34093
1955         PR middle-end/31976
1956         * tree-ssa-operands.c (ssa_operand_alloc): Also allocate a buffer
1957         for very large number of operands instead of ICEing.
1958
1959 2008-01-02  Arthur Norman <acn1@cam.ac.uk>
1960
1961         PR target/34013
1962         * gcc/config/i386/i386.c (ix86_expand_prologue): Save red-zone
1963         while stack probing.
1964
1965 2008-01-01  Douglas Gregor  <doug.gregor@gmail.com>
1966
1967         * c-opts.c (sanitize_cpp_opts): Don't warn about "long long" when
1968         in C++0x mode.
1969
1970 2008-01-01  Volker Reichelt  <v.reichelt@netcologne.de>
1971
1972         PR libmudflap/26442
1973         * tree-mudflap.c (mx_register_decls): Guard warning by
1974         !DECL_ARTIFICIAL check.
1975
1976 2008-01-01  Jakub Jelinek  <jakub@redhat.com>
1977
1978         * config/i386/sse.md (sse5_pperm, sse5_pperm_pack_v2di_v4si,
1979         sse5_pperm_pack_v4si_v8hi, sse5_pperm_pack_v8hi_v16qi,
1980         sse5_perm<mode>): Fix constraints.