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Fix for PR39557
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1 2009-03-27  Xinliang David Li  <davidxl@google.com>
2
3         PR tree-optimization/39557
4         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
5
6 2009-03-27  Xinliang David Li  <davidxl@google.com>
7
8         PR tree-optimization/39548
9         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
10         candidate check.
11
12 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
13
14         * c-common.c (pointer_int_sum): Use %wd on return from
15         tree_low_cst.
16
17 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
18
19         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
20         on return from tree_low_cst.
21
22 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
23
24         PR c++/36799
25         * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
26
27 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
28
29         PR c++/35652
30         * builtins.h (c_strlen): Do not warn here.
31         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
32         * c-common.c (pointer_int_sum): Take an explicit location.
33         Warn about offsets out of bounds.
34         * c-common.h (pointer_int_sum): Adjust declaration.
35
36 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
37
38         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
39         markup glitch.
40
41 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
42
43         PR c++/39554
44         * opts.c (warn_if_disallowed_function_p): Don't assume
45         get_callee_fndecl must return non-NULL.
46
47 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
48
49         PR rtl-optimization/39522
50         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
51         when reg_reloaded_valid is set.
52
53 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
54
55         * config/spu/divv2df3.c: New file.
56         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
57         (DPBIT_FUNCS): Filter out _div_df.
58
59 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
60
61         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
62         a jump insn, count that jump in the distance to the loop start.
63
64 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
65
66         PR target/39523
67         * config/sh/sh.c (calc_live_regs): Fix condition for global
68         registers except PIC_OFFSET_TABLE_REGNUM.
69
70 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
71
72         PR/39518
73         * doc/invoke.texi (-mconsole): New.
74         (-mcygwin): New.
75         (-mno-cygwin): New.
76         (-mdll): New.
77         (-mnop-fun-dllimport): New.
78         (-mthread): New.
79         (-mwin32): New.
80         (-mwindows): New.
81         (sub section "i386 and x86-64 Windows Options"): New.
82
83 2009-03-25  Ralf Cors├ępius <ralf.corsepius@rtems.org>
84
85         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
86         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
87
88 2009-03-25  Richard Guenther  <rguenther@suse.de>
89
90         PR middle-end/39497
91         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
92         of -Wno-error.
93
94 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
95
96         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
97         neither of haifa/selective schedulers are working.
98
99 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
100
101         * doc/invoke.texi (Debugging Options): Fix description of
102         -fno-merge-debug-strings.
103
104 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
105
106         * config/cris/libgcc.ver: New version-script.
107         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
108
109         * configure.ac <GAS features, nop mnemonic>: Add pattern
110         crisv32-*-* for "nop".
111         <GAS features, Thread-local storage>: Add item for CRIS and
112         CRIS v32.
113         * configure: Regenerate.
114
115 2009-03-24  Ira Rosen  <irar@il.ibm.com>
116
117         PR tree-optimization/39529
118         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
119         mark_sym_for_renaming for the tag copied to the new vector
120         pointer.
121
122 2009-03-24  Arthur Loiret  <aloiret@debian.org>
123
124         * config.host (alpha*-*-linux*): Use driver-alpha.o and
125         alpha/x-alpha.
126         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
127         EXTRA_SPEC_FUNCTIONS.
128         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
129         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
130         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
131         -march and -mtune options.
132
133 2009-03-24  Ralf Cors├ępius <ralf.corsepius@rtems.org>
134
135         * config/m68k/t-rtems: Add m5329 multilib.
136
137 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
138             Jakub Jelinek  <jakub@redhat.com>
139
140         PR debug/39524
141         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
142         nodes.
143
144 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
145
146         PR c/39495
147         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
148         instead of c_parser_expression_conv, if original_code isn't one of the
149         4 allowed comparison codes, fail.
150
151 2009-03-23  Richard Guenther  <rguenther@suse.de>
152
153         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
154         * tree.h (struct tree_type): Likewise.
155         * reload.h (struct insn_chain): Likewise.
156         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
157         * function.h (struct function): Likewise.
158         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
159
160 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
161
162         PR tree-optimization/39516
163         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
164
165 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
166
167         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
168         should be set true if BITS_PER_WORD of target is bigger than 32
169
170 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
171
172         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
173         Translate -B-options to -rpath-link.  Correct existing
174         rpath-link and conditionalize on !nostdlib.
175
176 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
177
178         * doc/extend.texi (Function Attributes, Variable Attributes):
179         Fix typos.
180         * doc/invoke.texi (Debugging Options, Optimize Options)
181         (i386 and x86-64 Options, MCore Options): Likewise.
182
183 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
184
185         PR debug/37890
186         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
187         it for block local namespace aliases.
188         (gen_decl_die): Pass context_die to gen_namespace_die.
189
190 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
191
192         PR c/39495
193         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
194         minimum or maximum value.
195
196 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
197
198         * reginfo.c (globalize_reg): Recompute derived reg sets.
199
200 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
201
202         PR target/39063
203         * libgcc2.c (mprotect): Do not use signed arguments for
204         VirtualProtect, use DWORD arguments.  Also fix the 'may
205         be used uninitialized' warning for the np variable.
206
207 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
208
209         PR target/39496
210         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
211         functions using regparm calling conventions when not optimizing.
212         (ix86_function_sseregparm): Similarly for sseregparm calling
213         conventions.
214
215 2009-03-19  Li Feng  <nemokingdom@gmail.com>
216
217         PR middle-end/39500
218         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
219         dependence if the first conflict is after niter iterations.
220
221 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
222
223         PR middle-end/38609
224         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
225         functions with dynamic stack-pointer adjustments.
226
227 2009-03-19  Ben Elliston  <bje@au.ibm.com>
228
229         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
230         option; change to -msdata=data.
231
232 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
233
234         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
235         and -fopenmp.
236
237 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
238
239         PR target/35180
240         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
241
242 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
243
244         * doc/invoke.texi (Code Gen Options): Expand discussion of
245         -fno-common.
246
247 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
248
249         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
250         * matrix-reorg.c (struct matrix_info): Likewise.
251         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
252         * rtl.h (struct mem_attrs): Likewise.
253         * df.h (struct df): Likewise.
254         * tree-data-ref.h (struct data_dependence_relation): Likewise.
255         * ira-int.h (struct ira_allocno): Likewise.
256         * df-scan.c (struct df_collection_rec): Likewise.
257         * ira.c (struct equivalence): Likewise.
258         * function.c (struct temp_slot): Likewise.
259         * cfgloop.h (struct loop): Likewise.
260
261         PR debug/39485
262         * function.c (use_register_for_decl): When not optimizing, disregard
263         register keyword for variables with types containing methods.
264
265 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
266
267         PR middle-end/39447
268         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
269         (is_simple_operand): Call contains_component_ref_p before calling data
270         reference analysis that would fail on COMPONENT_REFs.
271
272         * tree-vrp.c (search_for_addr_array): Fix formatting.
273
274 2009-03-18  Richard Guenther  <rguenther@suse.de>
275
276         * tree-vect-transform.c (vect_loop_versioning): Fold the
277         generated comparisons.
278         * tree-vectorizer.c (set_prologue_iterations): Likewise.
279         (slpeel_tree_peel_loop_to_edge): Likewise.
280
281 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
282
283         PR middle-end/37805
284         * opts.c (print_specific_help): In addition to `undocumented',
285         accept `separate' and `joined' flags if passed alone.  Describe
286         output by the first matched one of those.
287         (common_handle_option): Skip over empty strings.
288         * gcc.c (display_help): Fix help string for `--help='.
289         * doc/invoke.texi (Option Summary, Overall Options): With
290         `--help=', classes and qualifiers can both be repeated, but
291         only the latter can be negated.  One should not pass only
292         negated qualifiers.  Fix markup and examples.
293
294         Revert
295         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
296         PR middle-end/37805
297         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
298         and -fhelp=separate.
299
300 2009-03-17  Jing Yu  <jingyu@google.com>
301
302         PR middle-end/39378
303         * function.h (struct rtl_data): Move is_thunk from here...
304         (struct function): ...to here.
305         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
306         * varasm.c (assemble_start_function): Change is_thunk from crtl to
307         cfun.
308         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
309         cfun.
310         (alpha_does_function_need_gp, alpha_start_function): Likewise.
311         (alpha_output_function_end_prologue): Likewise.
312         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
313         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
314         (rs6000_output_function_epilogue): Likewise.
315         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
316
317 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
318
319         PR target/39482
320         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
321         from different units in a single alternative.
322         (*truncdfsf_i387): Ditto.
323         (*truncxfsf2_mixed): Ditto.
324         (*truncxfdf2_mixed): Ditto.
325
326 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
327
328         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
329         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
330
331         PR debug/39474
332         * tree-ssa-live.c (remove_unused_locals): Don't remove local
333         unused non-artificial variables when not optimizing.
334
335         PR debug/39471
336         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
337         DW_TAG_imported_module even if decl is IMPORTED_DECL with
338         NAMESPACE_DECL in its DECL_INITIAL.
339
340         PR middle-end/39443
341         * optabs.c (set_user_assembler_libfunc): New function.
342         * expr.h (set_user_assembler_libfunc): New prototype.
343         * c-common.c: Include libfuncs.h.
344         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
345         for memcmp, memset, memcpy, memmove and abort.
346         * Makefile.in (c-common.o): Depend on libfuncs.h.
347
348         PR debug/39412
349         * dwarf2out.c (gen_inlined_enumeration_type_die,
350         gen_inlined_structure_type_die, gen_inlined_union_type_die,
351         gen_tagged_type_instantiation_die): Removed.
352         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
353         do nothing.
354
355 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
356
357         PR testsuite/38526
358         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
359         its use.
360         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
361         (check-parallel-%): Ditto.
362         (check-consistency): Ditto.
363
364 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
365
366         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
367         local variable rhs by NULL_TREE.
368
369 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
370
371         PR target/39477
372         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
373
374 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
375
376         PR target/39476
377         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
378
379 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
380
381         PR target/39473
382         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
383         for ms->sysv ABI calls only in 64bit mode.
384
385         * config/i386/i386.md (untyped_call): Support 32bit.
386
387 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
388
389         * doc/extend.texi: Replace x86_65 with x86_64.
390
391 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
392
393         PR tree-optimization/39455
394         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
395         mismatches for POINTER_TYPE_P (type).
396         (number_of_iterations_le): Likewise.
397
398 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
399
400         * config/picochip/picochip.c: Removed profiling support.
401         * config/picochip/picochip.md: Removed profiling instruction.
402         * config/picochip/picochip.h: Removed profiling builtin.
403
404 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
405
406         * doc/install.texi (--with-host-libstdcxx): Document.
407
408 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
409
410         PR target/34299
411         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
412         generate a warning if the function name does not begin with
413         "__vector" and the function has either the 'signal' or 'interrupt'
414         attribute, from here to ...
415         (avr_declare_function_name): ...here. New function.
416         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
417         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
418
419 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
420
421         PR bootstrap/39454
422         * cse.c (fold_rtx): Don't modify original const_arg1 when
423         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
424         separate variable instead.
425         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
426         from out of range shift counts.
427         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
428
429 2008-03-13  Catherine Moore  <clm@codesourcery.com>
430
431         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
432         diagnostic.h with $(DIAGNOSTIC_H).
433
434 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
435
436         PR target/39431
437         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
438         predicate.
439         * config/i386/sync.md (sync_compare_and_swap<mode>,
440         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
441         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
442         into a register.
443         (sync_double_compare_and_swapdi_pic,
444         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
445         cmpxchg8b_pic_memory_operand instead of just memory_operand.
446
447 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
448
449         PR target/39445
450         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
451
452 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
453
454         PR target/39327
455         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
456         (avx_addsubv4df3): Likewise.
457         (*avx_addsubv4sf3): Likewise.
458         (sse3_addsubv4sf3): Likewise.
459
460 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
461
462         PR target/38824
463         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
464
465 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
466
467         PR debug/39432
468         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
469         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
470         registers for allocnos created from user-defined variables.
471
472 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
473
474         PR target/39181
475         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
476         of non-integer mode as well.
477
478 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
479
480         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
481         for functions for which the parameter types are unknown.
482
483 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
484
485         PR target/39137
486         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
487         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
488         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
489         * config/i386/i386.c (ix86_local_alignment): For
490         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
491         long long variables on the stack to avoid dynamic realignment.
492         Allow the first argument to be a decl rather than type.
493         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
494
495 2009-03-11  Nick Clifton  <nickc@redhat.com>
496
497         PR target/5362
498         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
499         options.
500         Add description to mno-lsim option.
501         * config/mcore/mcore.h: Remove comment about deprecated m4align
502         option.
503         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
504         * doc/invoke.texi: Add description of mno-lsim and
505         mstack-increment options.
506
507         * config/fr30/fr30.opt: Document the -mno-lsim option.
508         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
509         and -mno-lsim options.
510
511 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
512
513         * fold-const.c (fold_comparison): Only call fold_inf_compare
514         if the mode supports infinities.
515
516 2009-03-11  Jason Merrill  <jason@redhat.com>
517
518         PR debug/39086
519         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
520         end already did.  Notice GIMPLE_CALL modifications of the result.
521         Don't copy debug information from an ignored decl or a decl from
522         another function.
523
524 2009-03-10  Richard Guenther  <rguenther@suse.de>
525             Nathan Froyd  <froydnj@codesourcery.com>
526
527         PR middle-end/37850
528         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
529         (__divMODE3): Likewise.
530
531 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
532
533         PR tree-optimization/39394
534         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
535         DECL_SIZE_UNIT of variable length FIELD_DECLs.
536
537 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
538
539         * recog.c (verfiy_changes): Disallow renaming of hard regs in
540         inline asms for register asm ("") declarations.
541
542 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
543
544         * fold-const.c (fold_unary): Fix comment.
545
546 2009-03-07  Jan Hubicka  <jh@suse.cz>
547
548         PR target/39361
549         * tree-inline.c (setup_one_parameter): Do replacement of const
550         argument by constant in SSA form.
551
552 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
553
554         PR middle-end/38028
555         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
556         determine alignment passed to assign_stack_local.
557         (assign_parms_unsplit_complex): Likewise.
558         * except.c (sjlj_build_landing_pads): Likewise.
559
560 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
561
562         PR middle-end/39360
563         * tree-flow.h (add_referenced_var): Return bool instead of void.
564         * tree-dfa.c (add_referenced_var): Return result of
565         referenced_var_check_and_insert call.
566         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
567         of referenced_var_check_and_insert.
568
569         PR debug/39372
570         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
571         (gen_variable_die): Emit DW_AT_location on abstract static variable's
572         DIE, don't emit it if abstract origin already has it.
573         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
574         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
575
576 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
577
578         * genpreds.c: (needs_variable): Fix parentheses at variable name
579         detection.
580         (write_tm_constrs_h): Indent generated code.
581
582 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
583
584         * doc/extend.texi (Function Attributes): Add documentation
585         for isr attributes.
586
587 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
588
589         PR debug/39387
590         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
591         take locus from its DECL_SOURCE_LOCATION instead of input_location.
592
593 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
594
595         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
596         the loop as bad.
597
598 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
599
600         PR debug/39379
601         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
602         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
603
604 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
605
606         * config/i386/i386.md (R8_REG, R9_REG): New constants.
607         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
608         constants instead of magic numbers.
609         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
610         (QI_REG_P): Ditto.
611         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
612         (x86_64_ms_abi_int_parameter_registers): Ditto.
613         (x86_64_int_return_registers): Ditto.
614         (ix86_maybe_switch_abi): Ditto.
615         (ix86_expand_call): Ditto for clobbered_registers array.
616         (ix86_hard_regno_mode_ok): Ditto.
617         (x86_extended_QIreg_mentioned_p): Ditto.
618
619 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
620
621         PR tree-optimization/39349
622         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
623
624         * combine.c (gen_lowpart_for_combine): Use omode when generating
625         clobber.
626
627 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
628
629         PR rtl-optimization/39235
630         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
631
632 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
633
634         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
635
636 2009-03-04  Richard Guenther  <rguenther@suse.de>
637
638         PR tree-optimization/39362
639         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
640         that occur in abnormal PHIs should be varying.
641
642 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
643
644         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
645         Extend comments.
646         (simple_iv):  Take loop as an argument instead of statement.
647         * tree-scalar-evolution.h (simple_iv): Declaration changed.
648         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
649         to simple_iv.
650         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
651         Ditto.
652         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
653         * matrix-reorg.c (analyze_transpose): Ditto.
654         * tree-data-ref.c (dr_analyze_innermost): Ditto.
655         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
656         * tree-predcom.c (ref_at_iteration): Ditto.
657         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
658
659 2009-03-04  Richard Guenther  <rguenther@suse.de>
660
661         PR tree-optimization/39358
662         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
663         escaped_id and callused_id.
664         (solve_graph): Likewise.
665
666 2009-03-04  Richard Guenther  <rguenther@suse.de>
667
668         PR tree-optimization/39339
669         * tree-sra.c (try_instantiate_multiple_fields): Make it
670         no longer ICE on the above.
671
672 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
673
674         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
675         that fits within Pmode.
676
677 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
678
679         PR middle-end/10109
680         * tm.texi (LIBCALL_VALUE): Update description.
681
682 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
683
684         PR middle-end/34443
685         * doc/extend.texi (section): Update description.
686
687 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
688
689         PR middle-end/39345
690         * tree-inline.c (remapped_type): New.
691         (can_be_nonlocal): Call remapped_type instead of remap_type.
692
693 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
694
695         PR fortran/39354
696         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
697         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
698
699 2009-03-03  Richard Guenther  <rguenther@suse.de>
700
701         PR middle-end/39272
702         * tree.c (tree_nonartificial_location): New function.
703         * tree.h (tree_nonartificial_location): Declare.
704         * builtins.c (expand_builtin_memory_chk): Provide location
705         of the call location for artificial function pieces.
706         (maybe_emit_chk_warning): Likewise.
707         (maybe_emit_sprintf_chk_warning): Likewise.
708         (maybe_emit_free_warning): Likewise.
709         * expr.c (expand_expr_real_1): Likewise.
710
711 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
712
713         PR tree-optimization/39343
714         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
715         COMPONENT_REF t has ARRAY_TYPE.
716
717 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
718
719         PR middle-end/39335
720         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
721         when the type precision of the induction variable should be
722         larger than the type precision of nit.
723         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
724         * graphite.c (graphite_loop_normal_form): Same.
725         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
726
727 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
728
729         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
730         (*call_1_rex64_ms_sysv): Use named constants instead of magic
731         numbers to describe clobbered registers.
732         (*call_value_0_rex64_ms_sysv): Ditto.
733         * config/i386/mmx.md (mmx_emms): Ditto.
734         (mmx_femms): Ditto.
735
736 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
737
738         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
739         of ABI_64.
740
741 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
742
743         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
744         (spu_section_type_flags): New function.
745
746 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
747
748         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
749         reg_class_contents of FLOAT_REGS into a temporary.
750
751 2009-03-02  Richard Guenther  <rguenther@suse.de>
752             Ira Rosen  <irar@il.ibm.com>
753
754         PR tree-optimization/39318
755         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
756         information to the vectorized statement.
757
758 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
759
760         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
761         variable.  Use defined names instead of magic constants for REX SSE
762         registers.
763
764 2009-03-01  Richard Guenther  <rguenther@suse.de>
765
766         PR tree-optimization/39331
767         * omp-low.c (lower_send_shared_vars): Do not receive new
768         values for the reference of DECL_BY_REFERENCE parms or results.
769
770 2009-03-01  Jan Hubicka  <jh@suse.cz>
771
772         PR debug/39267
773         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
774         BLOCK_NONLOCALIZED_VAR): New macros.
775         (tree_block): Add nonlocalized_vars.
776         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
777         gen_decl_die): Add origin argument.  Allow generation of die with
778         origin at hand only.
779         (gen_member_die, gen_type_die_with_usage, force_decl_die,
780         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
781         of gen_*.
782         (gen_block_die): Fix checking for unused blocks.
783         (process_scope_var): Break out from .... ; work with origins only.
784         (decls_for_scope) ... here; process nonlocalized list.
785         (dwarf2out_ignore_block): Look for nonlocalized vars.
786         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
787         vars.
788         (dump_scope_block): Dump them.
789         * tree-inline.c (remap_decls): Handle nonlocalized vars.
790         (remap_block): Likewise.
791         (can_be_nonlocal): New predicate.
792         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
793
794 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
795
796         * configure: Regenerate.
797
798 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
799
800         * optc-gen.awk: No need to duplicate option flags twice.
801         Reuse help texts for duplicate options which do not have any.
802
803         * gcc.c (display_help): Document --version.
804
805         * gcc.c (main): If print_help_list and verbose_flag, ensure
806         driver output comes before subprocess output.
807
808         * optc-gen.awk: Assign all remaining fields to help string,
809         space-separated, for multi-line help in *.opt.
810
811         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
812         -Wno-pedantic-ms-format is for MinGW targets only.
813
814         * doc/options.texi (Option file format): Fix bad indentation,
815         restoring dropped sentence.
816
817 2009-02-28  Jan Hubicka  <jh@suse.cz>
818
819         * tree-inline.c (tree_function_versioning): Output debug info.
820
821 2009-02-28  Jan Hubicka  <jh@suse.cz>
822
823         PR debug/39267
824         * tree-inline.c (setup_one_parameter): Do not copy propagate
825         arguments when not optimizing.
826
827 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
828
829         PR target/39327
830         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
831         (avx_addsubv4df3): Likewise.
832         (*avx_addsubv4sf3): Likewise.
833         (sse3_addsubv4sf3): Likewise.
834         (*avx_addsubv2df3): Likewise.
835         (sse3_addsubv2df3): Likewise.
836         (avx_unpckhps256): Correct item selectors.
837         (avx_unpcklps256): Likewise.
838         (avx_unpckhpd256): Likewise.
839         (avx_unpcklpd256): Likewise.
840
841 2009-02-28  Jan Hubicka  <jh@suse.cz>
842
843         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
844         static vars.
845         (copy_arguments_for_versioning): If var is declared don't declare it.
846         (tree_function_versioning): First setup substitutions and then copy
847         args.
848
849 2009-02-27  Jan Hubicka  <jh@suse.cz>
850
851         PR debug/39267
852         * cgraph.h (varpool_output_debug_info): Remove.
853         * cgraphunit.c (varpool_output_debug_info): Remove.
854         * dwarf2out.c (deferred_locations_struct): New struct
855         (deferred_locations): New type.
856         (deferred_locations_list): New static var.
857         (deffer_location): New function.
858         (gen_variable_die): Use it.
859         (decls_for_scope): Output info on local static vars.
860         (dwarf2out_finish): Process deferred locations.
861         * varpool.c (varpool_output_debug_info): Remove.
862
863 2009-02-27  Jan Hubicka  <jh@suse.cz>
864
865         PR debug/39267
866         * tree.h (TREE_PROTECTED): Fix comment.
867         (BLOCK_HANDLER_BLOCK): Remove.
868         (struct tree_block): Remove handler_block add body_block.
869         (inlined_function_outer_scope_p): New.
870         (is_body_block): Remove.
871         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
872         * dwarf2out.c (is_inlined_entry_point): Remove.
873         (add_high_low_attributes): Use inlined_function_outer_scope_p.
874         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
875         code.
876         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
877         * gimplify.c (gimplify_expr): Gimplify body blocks.
878         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
879         block with multiple subblocks.
880         (dump_scope_block): Prettier output; dump more flags and info.
881         (dump_scope_blocks): New.
882         (remove_unused_locals): Use dump_scope_blocks.
883         * tree-flow.h (dump_scope_blocks): Declare.
884         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
885         * stmt.c (is_body_block): Remove.
886         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
887         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
888
889 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
890
891         PR middle-end/39308
892         * graphite.c (graphite_loop_normal_form): Do not call 
893         number_of_iterations_exit from a gcc_assert.
894
895 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
896
897         * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
898         jumps if COND is NULL.
899         (find_cond_jump): New function.
900         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
901         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
902
903 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
904
905         * config/alpha/alpha.h (alpha_expand_mov): Return false if
906         force_const_mem returns NULL_RTX.
907
908 2009-02-26  Jan Hubicka  <jh@suse.cz>
909
910         PR debug/39267
911         * cgraph.h (varpool_output_debug_info): Remove.
912         * cgraphunit.c (varpool_output_debug_info): Remove.
913         * dwarf2out.c (deferred_locations_struct): New struct
914         (deferred_locations): New type.
915         (deferred_locations_list): New static var.
916         (deffer_location): New function.
917         (gen_variable_die): Use it.
918         (decls_for_scope): Output info on local static vars.
919         (dwarf2out_finish): Process deferred locations.
920         * varpool.c (varpool_output_debug_info): Remove.
921
922 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
923
924         PR rtl-optimization/39241
925         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
926         to subreg_offset_representable_p.
927
928 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
929
930         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
931         execute function prototype.  Get f and nregs from max_reg_num
932         and get_insns.  Remove the first backward pass as it's dead,
933         guard the forward pass by flag_expensive_optimizations.
934         (rest_of_handle_regmove): Delete.
935         (pass_regmove): Replace it with regmove_optimize.
936
937 2009-02-25  Martin Jambor  <mjambor@suse.cz>
938
939         PR tree-optimization/39259
940         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
941         calls_alloca function flags.
942         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
943         calls are detected.
944
945 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
946
947         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
948         flags_set_1_rtx, flags_set_1_set): Delete.
949         (regmove_optimize): Do not call mark_flags_life_zones.
950
951 2009-02-24  Julian Brown  <julian@codesourcery.com>
952
953         PR target/35965
954         * config/arm/arm.c (require_pic_register): Only set
955         cfun->machine->pic_reg once per function.
956
957 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
958
959         * doc/invoke.texi (Link Options): Document an easier way to pass
960         options that take arguments to the GNU linker using -Xlinker and -Wl.
961
962 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
963
964         PR target/33785
965         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
966
967 2009-02-24  Richard Guenther  <rguenther@suse.de>
968
969         PR debug/39285
970         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
971
972 2009-02-24  Richard Guenther  <rguenther@suse.de>
973             Zdenek Dvorak  <ook@ucw.cz>
974
975         PR tree-optimization/39233
976         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
977         from converting them to a generic type.
978
979 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
980
981         PR tree-optimization/39260
982         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
983         contains a condition with a real type.
984         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
985
986 2009-02-23  Jason Merrill  <jason@redhat.com>
987
988         PR c++/38880
989         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
990         narrowing_initializer_constant_valid_p.
991         (narrowing_initializer_constant_valid_p): Don't return 
992         null_pointer_node for adding a pointer to itself.
993
994 2009-02-23  Jan Hubicka  <jh@suse.cz>
995
996         PR c/12245
997         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
998         resizing.
999
1000 2009-02-23  Jan Hubicka  <jh@suse.cz>
1001
1002         PR tree-optimization/37709
1003         * tree.c (block_ultimate_origin): Move here from dwarf2out.
1004         * tree.h (block_ultimate_origin): Declare.
1005         * dwarf2out.c (block_ultimate_origin): Move to tree.c
1006         * tree-ssa-live.c (remove_unused_scope_block_p):
1007         Eliminate blocks containig no instructions nor live variables nor
1008         nested blocks.
1009         (dump_scope_block): New function.
1010         (remove_unused_locals): Enable removal of dead blocks by default;
1011         enable dumping at TDF_DETAILS.
1012
1013 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1014
1015         * config/i386/i386.c (classify_argument): Don't allow COImode
1016         and OImode.
1017         (function_arg_advance_32): Don't allow OImode.
1018         (function_arg_32): Likewise.
1019         (function_value_32): Likewise.
1020         (return_in_memory_32): Likewise.
1021         (function_arg_64): Remove OImode comment.
1022
1023 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1024
1025         PR target/39261
1026         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1027         ix86_expand_vector_set for V4DImode in 64bit mode only.
1028         (ix86_expand_vector_init_one_var): Likewise.
1029
1030 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
1031
1032         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1033
1034 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
1035
1036         PR bootstrap/39257
1037         * loop-iv.c: Revert last change.
1038         * emit-rtl.c: Likewise.
1039
1040 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1041
1042         PR target/39256
1043         * config/i386/i386.c (type_natural_mode): Remove an extra
1044         space in the warning message.
1045         (function_value_32): Handle 32-byte vector modes.
1046         (return_in_memory_32): Likewise.
1047
1048 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
1049
1050         * loop-iv.c (truncate_value): New function.
1051         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1052         of lowpart_subreg.
1053         (lowpart_subreg): Move to...
1054         * emit-rtl.c: ...here.
1055
1056 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
1057
1058         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1059         accidental and undocumented change at revision 140860.
1060
1061 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
1062
1063         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1064         take gimple_seq * arguments.
1065         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1066         types_compatible_p langhook.
1067
1068 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
1069             Joseph Myers  <joseph@codesourcery.com>
1070
1071         * config/arm/arm.c (arm_builtin_va_list): New function.
1072         (arm_expand_builtin_va_start): Likewise.
1073         (arm_gimplify_va_arg_expr): Likewise.
1074         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1075         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1076         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1077         (va_list_type): New variable.
1078         (arm_mangle_type): Mangle va_list_type appropriately.
1079
1080 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
1081
1082         PR middle-end/39157
1083         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1084         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1085         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1086         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1087         parameter to 1000 for -O1 by default.
1088         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1089         parameter.
1090         * loop-invariant.c: Include params.h.
1091         (move_loop_invariants): Don't call move_single_loop_invariants on
1092         very large loops.
1093
1094 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
1095
1096         * calls.c (emit_library_call_value_1): Use slot_offset instead of
1097         offset when calculating bounds for indexing stack_usage_map.  Fixes
1098         a buffer overflow with certain target setups.
1099
1100 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
1101
1102         PR target/39240
1103         * calls.c (expand_call): Clear try_tail_call if caller and callee
1104         disagree in promotion of function return value.
1105
1106 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
1107
1108         PR target/39175
1109         * c-common.c (c_determine_visibility): If visibility changed and
1110         DECL_RTL has been already set, call make_decl_rtl to update symbol
1111         flags.
1112
1113 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1114
1115         PR c++/39188
1116         * varasm.c (assemble_variable): Don't check DECL_NAME when
1117         globalizing a variable.
1118
1119 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
1120
1121         PR c/38483
1122         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1123         expression before any __builtin_trap call.
1124         * c-typeck.c (build_function_call): Convert and check function
1125         arguments before generating a call to a trap.  Evaluate the
1126         function arguments before the trap.
1127
1128 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
1129
1130         PR target/39228
1131         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1132         (UNSPEC_FXAM_MEM): New unspec.
1133         (fxam<mode>2_i387_with_temp): New insn and split pattern.
1134         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
1135         memory using fxam<mode>2_i387_with_temp to remove excess precision.
1136
1137 2009-02-19  Richard Guenther  <rguenther@suse.de>
1138
1139         PR tree-optimization/39207
1140         PR tree-optimization/39074
1141         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1142         storedanything_tree): New.
1143         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
1144         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1145         (build_succ_graph): Add edges from STOREDANYTHING to all
1146         non-direct nodes.
1147         (init_base_vars): Initialize STOREDANYTHING.
1148         (compute_points_to_sets): Free substitution info after
1149         building the succ graph.
1150         (ipa_pta_execute): Likewise.
1151
1152         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1153         field.
1154         (do_ds_constraint): Do not add to special var or non-pointer
1155         field solutions.
1156         (type_could_have_pointers): Split out from ...
1157         (could_have_pointers): ... here.  For arrays use the element type.
1158         (create_variable_info_for): Initialize may_have_pointers.
1159         (new_var_info): Likewise.
1160         (handle_lhs_call): Make the HEAP variable unknown-sized.
1161         (intra_create_variable_infos): Use a type with pointers for
1162         PARM_NOALIAS, make it unknown-sized.
1163
1164 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1165
1166         PR target/39224
1167         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1168
1169 2009-02-18  Jason Merrill  <jason@redhat.com>
1170
1171         PR target/39179
1172         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1173         value if DECL_EXTERNAL.
1174         * tree-sra.c (sra_walk_gimple_assign): Likewise.
1175         * target.h (gcc_target::binds_local_p): Clarify "module".
1176         * tree.h (TREE_PUBLIC): Clarify "module".
1177
1178 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
1179
1180         PR target/38891
1181         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1182         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1183
1184 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
1185
1186         PR target/39082
1187         * c.opt (Wabi): Support C and ObjC.
1188         (Wpsabi): New.
1189
1190         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1191
1192         * config/i386/i386.c (classify_argument): Warn once about the ABI
1193         change when passing union with long double.
1194
1195         * doc/invoke.texi: Update -Wabi for warning psABI changes.
1196
1197 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
1198
1199         PR c/35447
1200         * c-parser.c (c_parser_compound_statement): Always enter and leave
1201         a scope.
1202
1203 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1204
1205         PR target/34587
1206         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1207
1208 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
1209
1210         PR tree-optimization/36922
1211         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1212         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1213         Likewise.
1214
1215 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1216
1217         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1218         to 0 for EABI64.
1219
1220 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1221
1222         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1223
1224 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1225
1226         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1227         tree sharing.
1228
1229 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
1230             Richard Sandiford  <rdsandiford@googlemail.com>
1231
1232         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1233         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1234         (loongson_biadd): ...this.
1235
1236 2009-02-17  Richard Guenther  <rguenther@suse.de>
1237
1238         PR tree-optimization/39202
1239         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1240         a var make sure to follow existing collapses.
1241
1242 2009-02-17  Richard Guenther  <rguenther@suse.de>
1243
1244         PR middle-end/39214
1245         * langhooks.c (lhd_print_error_function): Check for NULL block.
1246
1247 2009-02-17  Richard Guenther  <rguenther@suse.de>
1248
1249         PR tree-optimization/39204
1250         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1251         of the PHI arg.
1252
1253 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
1254
1255         * config/soft-fp/double.h: Update from glibc CVS.
1256
1257 2009-02-17  Richard Guenther  <rguenther@suse.de>
1258
1259         PR tree-optimization/39207
1260         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1261         strict-aliasing warnings for pointers pointing to NULL.
1262
1263 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
1264
1265         PR c/35446
1266         * c-parser.c (c_parser_braced_init): Call pop_init_level when
1267         skipping until next close brace.
1268
1269 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
1270
1271         PR target/37049
1272         * config/i386/i386.c (ix86_expand_push): Set memory alignment
1273         to function argument boundary.
1274
1275 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
1276
1277         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1278         in the lea_add. Reload eventually constraints it properly.
1279         * config/picochip/constraints.md : Remove the target constraint
1280         "b", since it is not needed anymore.
1281
1282 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
1283
1284         * gthr-dce.h: Uglify function parameter and local variable names.
1285         * gthr-gnat.h: Likewise.
1286         * gthr-mipssde.h: Likewise.
1287         * gthr-nks.h: Likewise.
1288         * gthr-posix95.h: Likewise.
1289         * gthr-posix.h: Likewise.
1290         * gthr-rtems.h: Likewise.
1291         * gthr-single.h: Likewise.
1292         * gthr-solaris.h: Likewise.
1293         * gthr-tpf.h: Likewise.
1294         * gthr-vxworks.h: Likewise.
1295         * gthr-win32.h: Likewise.
1296
1297 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1298
1299         PR target/39196
1300         * config/i386/i386.md: Restrict the new peephole2 to move
1301         between MMX/SSE registers.
1302
1303 2009-02-15  Richard Guenther  <rguenther@suse.de>
1304
1305         Revert
1306         2009-02-13  Richard Guenther  <rguenther@suse.de>
1307
1308         * configure.ac: Enable LFS.
1309         * configure: Re-generate.
1310         * config.in: Likewise.
1311
1312 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1313
1314         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1315         spu_srqwbyte, spu_srqwbytebc): Define.
1316         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1317         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1318         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1319         "shrqby_<mode>"): New insn-and-split patterns.
1320         * config/spu/spu.c (expand_builtin_args): Determine and return
1321         number of operands using spu_builtin_description data.
1322         (spu_expand_builtin_1): Use it.
1323
1324 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
1325
1326         PR target/38056
1327         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1328         TARGET_CONST_GP.
1329
1330 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1331
1332         PR target/39149
1333         * config/i386/i386.c (override_options): Correct warning
1334         messages for -malign-loops, -malign-jumps and -malign-functions.
1335
1336 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1337
1338         PR target/39152
1339         * config/i386/i386.md: Restrict the new peephole2 to move
1340         between the general purpose registers.
1341
1342 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1343
1344         PR target/39162
1345         * config/i386/i386.c (type_natural_mode): Add a new argument.
1346         Return the original mode and warn ABI change if vector size is 32byte.
1347         (function_arg_advance): Updated.
1348         (function_arg): Likewise.
1349         (ix86_function_value): Likewise.
1350         (ix86_return_in_memory): Likewise.
1351         (ix86_sol10_return_in_memory): Likewise.
1352         (ix86_gimplify_va_arg): Likewise.
1353         (function_arg_32): Don't warn ABX ABI change here.
1354         (function_arg_64): Likewise.
1355
1356 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1357
1358         * loop-iv.c (implies_p): In the final case, test that operands 0
1359         of the two comparisons match.
1360
1361         * config/bfin/bfin.c (find_prev_insn_start): New function.
1362         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1363         (find_next_insn_start): Move.
1364
1365 2009-02-13  Richard Guenther  <rguenther@suse.de>
1366
1367         * configure.ac: Enable LFS.
1368         * configure: Re-generate.
1369         * config.in: Likewise.
1370
1371 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
1372
1373         PR c/35444
1374         * c-parser.c (c_parser_parms_list_declarator): Discard pending
1375         sizes on syntax error after some arguments have been parsed.
1376
1377 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1378
1379         * doc/invoke.texi (-fira): Remove.
1380
1381 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1382
1383         * caller-save.c: Replace regclass.c with reginfo.c in comments.
1384         * recog.c: Likewise.
1385         * rtl.h: Likewise.
1386
1387 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
1388
1389         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1390         (umul_ppmm): Likewise.
1391         (count_leading_zeros): Likewise.
1392         (count_trailing_zeros): Likewise.
1393         (UMUL_TIME): Likewise.
1394
1395 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1396
1397         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1398         soft-fp/t-softfp to tmake_file.
1399
1400         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1401         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1402         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1403         IA64_BUILTIN_INFQ]: New.
1404         (ia64_init_builtins): Initialize __builtin_infq,
1405         __builtin_fabsq and __builtin_copysignq if not HPUX.
1406         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1407         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1408
1409         * config/ia64/lib1funcs.asm (__divtf3): Define only if
1410         SHARED is defined.
1411         (__fixtfti): Likewise.
1412         (__fixunstfti): Likewise.
1413         (__floattitf): Likewise.
1414
1415         * config/ia64/libgcc-glibc.ver: New.
1416         * config/ia64/t-fprules-softfp: Likewise.
1417         * config/ia64/sfp-machine.h: Likewise.
1418
1419         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1420         (LIBGCC2_TF_CEXT): Likewise.
1421         (TF_SIZE): Likewise.
1422         (TARGET_INIT_LIBFUNCS): Likewise.
1423
1424         * config/ia64/t-glibc (SHLINB_MAPFILES):
1425         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1426
1427 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1428
1429         * config/i386/i386.c (construct_container): Rewrite processing
1430         BLKmode with X86_64_SSE_CLASS.
1431
1432 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
1433
1434         PR target/39152
1435         * config/i386/i386.md: Replace simplify_replace_rtx with
1436         replace_rtx in the new peephole2.
1437
1438 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
1439
1440         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1441         loop unrolling do not happen at -O2.
1442
1443 2009-02-12  Michael Matz  <matz@suse.de>
1444
1445         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1446
1447 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1448
1449         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1450         for -g3.
1451
1452 2009-02-12  Ben Elliston  <bje@au.ibm.com>
1453
1454         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1455         patterns when updating the back chain.  Missed in the 2009-02-10
1456         change.
1457
1458 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
1459
1460         * doc/extend.texi (Decimal Floating Types): Update identifier of
1461         draft TR and list of missing support.
1462
1463 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
1464
1465         PR middle-end/39154
1466         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1467         bit to variable length decl's flags, add it also to its
1468         pointer replacement variable.
1469
1470 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
1471             Jakub Jelinek  <jakub@redhat.com>
1472
1473         PR target/39118
1474         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1475         (memory_blockage): New expander.
1476         (*memory_blockage): New insn pattern.
1477         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1478         instead of general blockage at the end of function prologue when
1479         frame pointer is used to access red zone area.  Do not emit blockage
1480         when profiling, it is emitted in generic code.
1481         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1482         function epilogue when frame pointer is used to access red zone area.
1483
1484 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
1485
1486         PR target/38824
1487         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1488         by arithmetic with memory operands.
1489         * config/i386/predicates.md (commutative_operator): New.
1490
1491 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
1492
1493         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1494         bulleted lists.
1495
1496 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1497
1498         * alias.h (record_alias_subset): Declare.
1499         * alias.c (record_alias_subset): Make global.
1500
1501 2009-02-10  Nick Clifton  <nickc@redhat.com>
1502
1503         * tree-parloops.c: Change license to GPLv3.
1504         * ipa-struct-reorg.c: Change license to GPLv3.
1505         * ipa-struct-reorg.h: Change license to GPLv3.
1506
1507 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
1508
1509         PR c/39084
1510         * c-decl.c (start_struct): Return NULL on error.
1511
1512 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
1513
1514         PR middle-end/39124
1515         * cfgloopmanip.c (remove_path): Call remove_bbs after
1516         cancel_loop_tree, not before it.
1517
1518         PR target/39139
1519         * function.h (struct function): Add has_local_explicit_reg_vars bit.
1520         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1521         VAR_DECLs were seen.
1522         * tree-ssa-live.c (remove_unused_locals): Recompute
1523         cfun->has_local_explicit_reg_vars.
1524         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1525         copies or clearings if cfun->has_local_explicit_reg_vars.
1526
1527 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
1528
1529         PR target/39118
1530         * config/i386/i386.c (expand_prologue): Emit blockage at the end
1531         of function prologue when frame pointer is used to access
1532         red zone area.
1533
1534 2009-02-10  Richard Guenther  <rguenther@suse.de>
1535
1536         PR middle-end/39127
1537         * gimplify.c (gimple_regimplify_operands): Always look if
1538         we need to create a temporary.
1539
1540 2009-02-10  Richard Guenther  <rguenther@suse.de>
1541
1542         PR tree-optimization/39132
1543         * tree-loop-distribution.c (todo): New global var.
1544         (generate_memset_zero): Trigger TODO_rebuild_alias.
1545         (tree_loop_distribution): Return todo.
1546
1547 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
1548
1549         PR target/39119
1550         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1551         (x86_64_reg_class_name): Removed.
1552         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
1553         first one isn't X86_64_SSE_CLASS or any other ones aren't
1554         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
1555         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1556         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
1557         and 3 X86_64_SSEUP_CLASS.
1558         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
1559         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1560
1561 2009-02-10  Ben Elliston  <bje@au.ibm.com>
1562
1563         * config/rs6000/rs6000.md (allocate_stack): Always use an update
1564         form instruction to update the stack back chain word, even if the
1565         user has disabled the generation of update instructions.
1566         (movdi_<mode>_update_stack): New.
1567         (movsi_update_stack): Likewise.
1568         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1569         always use an update form instruction to update the stack back
1570         chain word.
1571
1572 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
1573
1574         PR middle-end/38953
1575         * graphite.c (if_region_set_false_region): After moving a region in
1576         the false branch of a condition, remove the empty dummy basic block.
1577         (gloog): Remove wrong fix for PR38953.
1578
1579 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1580
1581         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1582         generation due to implicit sign extension.
1583
1584 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
1585
1586         PR middle-end/38981
1587         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1588         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1589
1590 2009-02-09  Richard Guenther  <rguenther@suse.de>
1591
1592         PR middle-end/35202
1593         * convert.c (convert_to_real): Disable (float)fn((double)x)
1594         to fnf(x) conversion if errno differences may occur and
1595         -fmath-errno is set.
1596
1597 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
1598
1599         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1600         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1601         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1602
1603 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1604
1605         PR c/35434
1606         * c-common.c (handle_alias_attribute): Disallow attribute for
1607         anything not a FUNCTION_DECL or VAR_DECL.
1608
1609 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
1610
1611         PR c/39035
1612         * real.c (do_compare): Special-case compare of zero against
1613         decimal float value.
1614
1615 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1616
1617         PR c/36432
1618         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1619         as indicating flexible array members unless the field itself is
1620         being declarared as the incomplete array.
1621
1622 2009-02-06  Jan Hubicka  <jh@suse.cz>
1623
1624         PR tree-optimization/38844
1625         * ipa-inline.c (try_inline): Stop inlining recursion when edge
1626         is already inlined.
1627
1628 2009-02-06  Richard Guenther  <rguenther@suse.de>
1629
1630         PR middle-end/38977
1631         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1632         fork because we may expand it as __gcov_fork.
1633
1634 2009-02-06  Nick Clifton  <nickc@redhat.com>
1635
1636         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1637
1638 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
1639
1640         PR tree-optimization/35659
1641         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1642         vn_phi_eq): Shortcut if hashcode does not match.
1643         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1644         NULL operands.
1645         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1646         and avoid iterative_hash_expr.
1647         (FOR_EACH_VALUE_ID_IN_SET): New.
1648         (value_id_compare): Remove.
1649         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1650         sort expressions by value id.
1651
1652 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
1653
1654         PR target/38991
1655         * config/sh/predicates.md (general_movsrc_operand): Don't check
1656         the subreg of system registers here.
1657
1658 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
1659
1660         PR c++/39106
1661         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1662         on the copied decl.
1663
1664 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
1665
1666         PR rtl-optimization/39110
1667         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1668         addresses, not aligned ones.
1669
1670 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
1671             Richard Guenther  <rguenther@suse.de>
1672
1673         PR tree-optimization/39100
1674         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1675         comment says and add edges.
1676
1677 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
1678
1679         PR c/35435
1680         * c-common.c (handle_tls_model_attribute): Ignore attribute for
1681         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1682
1683 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
1684
1685         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1686         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1687         register_bb_in_sese, new_sese, free_sese): Moved.
1688         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1689         outermost_loop_in_scop, build_scop_iteration_domain,
1690         expand_scalar_variables_ssa_name, get_vdef_before_scop,
1691         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1692         Use loop_in_sese_p instead of loop_in_scop_p.
1693         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1694         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1695         (scopdet_basic_block_info): Fix bug in scop detection.
1696         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1697         eq_loop_to_cloog_loop): Remove.
1698         (nb_loops_around_loop_in_scop, nb_loop
1699         ref_nb_loops): Moved here...
1700         * graphite.h (ref_nb_loops): ... from here.
1701         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1702         (loop_domain_dim, loop_iteration_vector_dim): Remove.
1703         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1704         * testsuite/gcc.dg/graphite/scop-19.c: New
1705
1706 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
1707             Hans-Peter Nilsson  <hp@axis.com>
1708
1709         PR rtl-optimization/37889
1710         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1711         Move offset handling from PLUS to before the switch.  Use new
1712         arguments when considering SYMBOL_REFs too.
1713         (rtx_addr_can_trap_p): Pass dummy offset and size.
1714         (enum may_trap_p_flags): Remove.
1715         (may_trap_p_1): Pass size from MEM_SIZE.
1716
1717         PR rtl-optimization/38921
1718         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1719         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1720         * rtlanal.c (may_trap_after_code_motion_p): Delete.
1721         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1722
1723 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
1724
1725         AVX Programming Reference (January, 2009)
1726         * config/i386/sse.md (*vpclmulqdq): New.
1727
1728 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
1729
1730         PR tree-optimization/38977
1731         PR gcov-profile/38292
1732         * calls.c (special_function_p): Disregard __builtin_ prefix.
1733
1734 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
1735
1736         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1737         non-indexable addresses even before reload.
1738
1739 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1740
1741         PR c/29129
1742         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1743         as having variable size.  Do not give an error for unnamed
1744         parameters with [*] declarators.  Give a warning for type names
1745         with [*] declarators and mark them as variable size.
1746         * c-parser.c (c_parser_sizeof_expression): Do not give an error
1747         for sizeof applied to [*] type names.
1748
1749 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1750
1751         PR C++/36607
1752         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1753
1754 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1755
1756         * gcc.c (process_command): Update copyright notice dates.
1757         * gcov.c (print_version): Likewise.
1758         * gcov-dump.c (print_version): Likewise.
1759         * mips-tfile.c (main): Likewise.
1760         * mips-tdump.c (main): Likewise.
1761
1762 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1763
1764         PR c/35433
1765         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1766         for composite type involving a zero-length array type.
1767
1768 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1769
1770         PR target/35318
1771         * function.c (match_asm_constraints_1): Skip over
1772         initial optional % in the constraint.
1773
1774         PR inline-asm/39059
1775         * c-parser.c (c_parser_postfix_expression): If fixed point is not
1776         supported, don't accept FIXED_CSTs.
1777         * c-decl.c (finish_declspecs): Error if fixed point is not supported
1778         and _Sat is used without _Fract/_Accum.  Set specs->type to
1779         integer_type_node for cts_fract/cts_accum if fixed point is not
1780         supported.
1781
1782 2009-02-02  Catherine Moore  <clm@codesourcery.com>
1783
1784         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1785
1786 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
1787
1788         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1789         (ABI_HAS_64BIT_SYMBOLS): Use it.
1790         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1791
1792 2009-02-02  Paul Brook  <paul@codesourcery.com>
1793
1794         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1795
1796 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
1797
1798         PR inline-asm/39058
1799         * recog.h (asm_operand_ok): Add constraints argument.
1800         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
1801         recurse on matching constraint.
1802         (check_asm_operands): Pass constraints as 3rd argument to
1803         asm_operand_ok.  Don't look up matching constraint here.
1804         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1805         to asm_operand_ok.
1806
1807 2009-02-02  Ben Elliston  <bje@au.ibm.com>
1808
1809         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1810         TARGET_NARROW_VOLATILE_BITFIELD macro names.
1811
1812 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1813
1814         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1815         information.  Remove some obsolete information.  Reorganize.
1816
1817         * config/pa/fptr.c: Revert license to GPL 2.
1818         * config/pa/milli64.S: Likewise.
1819
1820 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1821
1822         PR target/38904
1823         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
1824         LIBRARY name in, instead of hard-coding it.
1825         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
1826         extra target make frag to tmake_files according to EH model.
1827         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
1828         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
1829         frags that define makefile variable EH_MODEL appropriately.
1830         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
1831         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
1832         to "-sjlj" according to type of EH configured.
1833         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1834         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
1835         to "_sjlj" according to type of EH configured.
1836         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1837         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
1838         (SHLIB_LINK):  Add missing semicolon to if-else construct.
1839         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1840         string value of "pe_dll" command-line option.
1841         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
1842         (SHLIB_SONAME):  Use it when overriding t-cygming default.
1843         (SHLIB_IMPLIB):  Override t-cygming default.
1844         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1845         string value of "pe_dll" command-line option.
1846
1847 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1848
1849         PR target/38952
1850         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1851         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1852
1853 2009-01-31  Richard Guenther  <rguenther@suse.de>
1854
1855         PR tree-optimization/38937
1856         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1857         computing the transitive closure.
1858
1859 2009-01-30  Richard Guenther  <rguenther@suse.de>
1860
1861         PR tree-optimization/39041
1862         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1863         Propagate variable indices only if the types match for this stmt.
1864
1865 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
1866
1867         PR target/39013
1868         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1869         inline but never defined.
1870
1871 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
1872
1873         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1874         (*insv_h_di_reg_extimm): New insn.
1875         (*insv_l<mode>_reg_extimm): New insn.
1876
1877 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1878
1879         * config/picochip/picochip.c (flag_conserve_stack): set
1880         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1881         fconserve-stack. Reduce call-overhead used by inliner.
1882
1883 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1884
1885         PR/38157
1886         * common.opt (flag_conserve_stack): Initialised to zero.
1887
1888 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
1889
1890         PR/39002
1891         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1892         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1893         method.
1894
1895 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
1896
1897         * ira-color.c (allocno_reload_assign): Update comments.
1898         * regmove.c (regmove_optimize): Likewise.
1899
1900         * ra.h: Removed.
1901
1902 2009-01-29  Robert Millan  <rmh@aybabtu.com>
1903
1904         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1905         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
1906         `MD_UNWIND_SUPPORT'.
1907         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1908
1909 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
1910
1911         PR tree-optimization/39007
1912         * tree-loop-distribution.c (generate_builtin): Use
1913         recompute_dominator to compute the immediate dominator of the
1914         basic block just after the loop.
1915
1916 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1917
1918         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1919         (ASM_OUTPUT_DWARF_PCREL): Define.
1920
1921 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
1922
1923         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1924         * doc/passes.texi: Remove entries about regclass, local-alloc, and
1925         global.  Modify entries about regmove and IRA.
1926
1927         * ra-conflict.c: Remove the file.
1928
1929         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1930
1931         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1932         (pass_regclass_init): Rename to pass_reginfo_init.
1933
1934         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1935
1936         * toplev.h (flag_ira): Remove.
1937
1938         * caller-save.c (setup_save_areas): Remove flag_ira.
1939
1940         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1941
1942         * global.c: Remove the file.
1943
1944         * opts.c: (decode_options): Remove flag_ira.
1945
1946         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1947
1948         * regmove.c: Modify file description.
1949         (find_use_as_address, try_auto_increment): Define them only if
1950         AUTO_INC_DEC is defined.
1951         (replacement_quality, replace_in_call_usage, fixup_match_1,
1952         stable_and_no_regs_but_for_p): Remove.
1953         (reg_set_in_bb): Make it static.
1954         (regmove_optimize): Remove flag_ira and code which worked for
1955         !flag_ira.
1956
1957         * local-alloc.c: Remove the file.
1958
1959         * common.opt (fira): Remove.
1960
1961         * ira.c: Include except.h.
1962         (eliminable_regset): Move from global.c.
1963         (mark_elimination): Ditto.  Remove flag_ira.
1964         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1965         equiv_mem_modified, validate_equiv_mem_from_store,
1966         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1967         contains_replace_regs, memref_referenced_p, memref_used_between_p,
1968         no_equiv, recorded_label_ref): Move from local-alloc.c.
1969         (update_equiv_regs): Ditto.  Make it static.
1970         (print_insn_chain, print_insn_chains): Move it from global.c.
1971         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
1972         (build_insn_chain): Ditto.  Make it static.
1973         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
1974         Rename to init_live_subregs.
1975         (gate_ira): Remove flag_ira.
1976
1977         * regclass.c: Rename reginfo.c.  Change file description.
1978         (FORBIDDEN_INC_DEC_CLASSES): Remove.
1979         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1980         (init_reg_sets_1): Remove code for evaluation of
1981         reg_class_superclasses and losing_caller_save_reg_set.
1982         (init_regs): Remove init_reg_autoinc.
1983         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1984         ok_for_base_p_nonstrict): Remove.
1985         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
1986         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
1987         corresponding entries.
1988         (dump_regclass, record_operand_costs, scan_one_insn,
1989         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1990         record_address_regs, auto_inc_dec_reg_p): Remove.
1991         (gt-regclass.h): Rename to gt-reginfo.h.
1992
1993         * rtl.h (dump_global_regs, retry_global_alloc,
1994         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1995
1996         * Makefile.in (RA_H): Remove.
1997         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1998         Rename regclass.o to reginfo.o.
1999         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
2000         gt-reginfo.h.
2001         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2002         (GTFILES): Rename regclass.c to reginfo.c.
2003
2004         * passes.c (init_optimization_passes): Remove pass_local_alloc and
2005         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
2006
2007         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2008         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2009         Remove flag_ira.
2010         (finish_spills): Ditto.  Remove code for !flag_ira.
2011         
2012 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
2013
2014         PR middle-end/35854
2015         * doc/invoke.texi (rtl debug options): Complete rewrite.
2016         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2017         to auto_inc_dec".
2018         * mode-switching.c (pass_mode_switching): Rename pass from
2019         "mode-sw" to "mode_sw".
2020         * except.c (pass_convert_to_eh_ranges): Rename pass from
2021         "eh-ranges" to "eh_ranges".
2022         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2023         to "subreg1".
2024                 
2025         
2026 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
2027             Alexander Monakov  <amonakov@ispras.ru>
2028
2029         PR middle-end/38857
2030         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2031         register.
2032         (move_exprs_to_boundary): Change return type and pass through
2033         should_move from move_op.  Relax assert.  Update usage ...
2034         (schedule_expr_on_boundary): ... here.  Use should_move instead of
2035         cant_move.
2036         (move_op_orig_expr_found): Indicate that insn was disconnected from
2037         stream.
2038         (code_motion_process_successors): Do not call after_merge_succs
2039         callback if original expression was not found when traversing any of
2040         the branches.
2041         (code_motion_path_driver): Change return type.  Update prototype.
2042         (move_op): Update comment.  Add a new parameter (should_move).  Update
2043         prototype.  Set *should_move based on indication provided by
2044         move_op_orig_expr_found.
2045
2046 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
2047
2048         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2049         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2050         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2051         * config/rs6000/rs6000.c (rs6000_override_options): Default
2052         avoid-indexed-addresses on for Power6, off for everything else.
2053         (avoiding_indexed_address_p): New function.
2054         (rs6000_legitimize_address): Use it.
2055         (rs6000_legitimate_address): Likewise.
2056         * config/rs6000/rs6000.md (movXX_updateX): Likewise
2057
2058 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
2059
2060         PR tree-optimization/38997
2061         * tree-loop-distribution.c (generate_memset_zero): Use
2062         POINTER_PLUS_EXPR for a pointer addition.
2063
2064 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2065
2066         * config/s390/s390.md (bswap<mode>2): New pattern added.
2067
2068 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2069
2070         * config/s390/s390.md (*tls_load_31): Added type attribute.
2071
2072 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2073
2074         * config/s390/s390.md: Fix a few comments.
2075
2076 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2077
2078         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2079         (*tm<mode>_full): Fixed z10prop attribute.
2080         (*tst<mode>_extimm): Fixed z10prop attribute.
2081         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2082         (*tstqiCCT_cconly): Fixed z10prop attribute.
2083         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2084         (*movsi_larl): Fixed z10prop attribute.
2085         (*movsi_zarch): Fixed z10prop attribute.
2086         (*movsi_eas): Fixed z10prop attribute.
2087         (*movhi): Fixed z10prop attribute.
2088         (*movqi): Fixed z10prop attribute.
2089         (*movstrictqi): Fixed z10prop attribute.
2090         (*mov<mode>): Fixed z10prop attribute.
2091         (*movcc): Fixed z10prop attribute.
2092         (*sethighpartdi_64): Fixed z10prop attribute.
2093         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2094         (*negdi2_sign_cc): Fixed z10prop attribute.
2095         (*negdi2_sign): Fixed z10prop attribute.
2096         (*absdi2_sign_cc): Fixed z10prop attribute.
2097         (*absdi2_sign): Fixed z10prop attribute.
2098         (*negabsdi2_sign_cc): Fixed z10prop attribute.
2099         (*negabsdi2_sign): Fixed z10prop attribute.
2100         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2101         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2102         (doloop_si64): Fixed z10prop attribute.
2103         (doloop_si31): Fixed z10prop attribute.
2104         (doloop_long): Fixed z10prop attribute.
2105         (indirect_jump): Fixed z10prop attribute.
2106         (nop): Fixed z10prop attribute.
2107         (main_base_64): Fixed z10prop attribute.
2108         (reload_base_64): Fixed z10prop attribute.
2109
2110 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
2111
2112         PR rtl-optimization/38740
2113         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2114         if !optimize.
2115         * config/mips/mips.c (mips_reorg): Likewise.
2116
2117 2009-01-28  Richard Guenther  <rguenther@suse.de>
2118
2119         PR tree-optimization/38926
2120         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2121         with the correct value id to a value.
2122         (do_regular_insertion): Use the value number of edoubleprime
2123         for the value number of the expr.
2124
2125         Revert
2126         2008-08-21  Richard Guenther  <rguenther@suse.de>
2127
2128         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2129         a PHI ask VN if it is already available.
2130         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2131         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2132
2133 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
2134
2135         PR middle-end/38934
2136         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2137         set to varying whenever max has TREE_OVERFLOW set, similarly
2138         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2139
2140 2009-01-28  Richard Guenther  <rguenther@suse.de>
2141
2142         PR middle-end/38908
2143         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2144         uninitialized aggregate uses in call arguments.
2145
2146 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
2147
2148         PR tree-optimization/38984
2149         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2150         the nothing_id variable if -fno-delete-null-pointer-checks.
2151
2152 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
2153
2154         PR target/38988
2155         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2156         (set_got_offset_rex64): Ditto.
2157
2158 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2159
2160         PR target/38941
2161         * doc/extend.texi: Improve local variable with asm reg.
2162
2163 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
2164
2165         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2166         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2167         was not supplied then set warn_packed_bitfield_compat to the
2168         default value of 1.
2169         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2170         against 1.
2171
2172 2009-01-27  Richard Guenther  <rguenther@suse.de>
2173
2174         PR tree-optimization/38503
2175         * cfgexpand.c (expand_gimple_basic_block): Ignore
2176         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2177         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2178         variables that cannot have TBAA applied.
2179         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2180         statements.
2181
2182 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
2183
2184         PR middle-end/38969
2185         * calls.c (initialize_argument_information): Do not wrap complex
2186         arguments in SAVE_EXPR.
2187
2188 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
2189
2190         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2191         (INSTALL_LIBGCC): Revert typo commit.
2192
2193 2009-01-26  Richard Guenther  <rguenther@suse.de>
2194
2195         PR tree-optimization/38745
2196         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2197         from special handling.
2198
2199 2009-01-26  Richard Guenther  <rguenther@suse.de>
2200
2201         PR tree-optimization/38745
2202         * tree-ssa.c (execute_update_addresses_taken): Do not include
2203         variables that cannot possibly be a register in not_reg_needs.
2204         Do not clear TREE_ADDRESSABLE on vars that may not become
2205         registers.
2206         * tree-ssa.c (update_alias_info_1): Include those in the set
2207         of addressable vars.
2208
2209 2009-01-26  Richard Guenther  <rguenther@suse.de>
2210
2211         PR middle-end/38851
2212         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2213         * tree-ssa-dse.c: Include langhooks.h
2214         (execute_simple_dse): Remove stores with zero size.
2215
2216 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
2217
2218         PR c/38957
2219         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2220         as PLUS_EXPR.
2221
2222 2009-01-24  Julian Brown  <julian@codesourcery.com>
2223
2224         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2225         config/arm/linux-atomic.c.
2226         * config/arm/linux-atomic.c: New.
2227
2228 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
2229
2230         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2231         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2232         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2233
2234 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2235
2236         PR c/38938
2237         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2238         properly.
2239
2240 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
2241
2242         PR tree-optimization/38953
2243         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2244         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2245         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2246         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2247         changed the CFG.
2248
2249 2009-01-24  Paul Brook  <paul@codesourcery.com>
2250
2251         * config/arm/neon.md (neon_type): Move to arm.md.
2252         (neon_mov<VSTRUCT>): Add neon_type attribute.
2253         * config/arm/arm.md (neon_type): Move to here.
2254         (conds): Add "unconditioal" and use as default for NEON insns.
2255
2256 2009-01-24  Ben Elliston  <bje@au.ibm.com>
2257
2258         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2259         void *' warning from -Wc++-compat.
2260         * Makefile.in (dominance.o-warn): Remove.
2261
2262 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
2263
2264         PR tree-optimization/38932
2265         * fold-const.c (fold_unary_ignore_overflow): New.
2266         * tree.h (fold_unary_ignore_overflow): Declare.
2267         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2268         * tree-ssa-sccvn.c (visit_reference_op_load,
2269         simplify_unary_expression): Likewise.
2270
2271 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
2272
2273         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2274         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
2275         regardless of their type.
2276         * c-common.c (handle_packed_attribute): Don't ignore packed on
2277         bitfields.
2278         * c.opt (Wpacked-bitfield-compat): New warning option.
2279         * stor-layout.c (place_field): Warn if offset of a field changed.
2280         * doc/extend.texi (packed): Mention the ABI change.
2281         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2282         (Warning Options): Add it to the list.
2283
2284 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2285
2286         * c-opts.c (c_common_post_options): Fix a typo in comments.
2287
2288 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
2289
2290         PR middle-end/38615
2291         * gimplify.c (gimplify_init_constructor): Fix promotion of const
2292         variables to static.
2293         * doc/invoke.texi (-fmerge-all-constants): Update description.
2294
2295 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
2296
2297         PR target/38931
2298         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2299         (*movdi_1_rex64): Use type "mmx" for alternative 5.
2300
2301 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
2302
2303         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2304         a word boundary.
2305         (LOCAL_ALIGNMENT): Similarly.
2306
2307 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2308             Joseph Myers  <joseph@codesourcery.com>
2309
2310         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2311         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2312         * config/arm/arm-tune.md: Regenerate.
2313         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2314         -march=iwmmxt2.
2315
2316 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2317
2318         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2319         version number to five.
2320
2321 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
2322
2323         PR c++/38930
2324         * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2325         * c-common.c (set_underlying_type): Likewise.
2326         (is_typedef_decl ): Likewise
2327         * tree.h: Likewise
2328         (set_underlying_type): Likewise.
2329         (is_typedef_type): Likewise.
2330
2331 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
2332
2333         PR middle-end/38587
2334         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2335         crossing setjmps.
2336
2337 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
2338
2339         PR bootstrap/37660
2340         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
2341         (LIBGCC_SPEC):  Don't define.
2342         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
2343
2344 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
2345
2346         PR rtl-optimization/38879
2347         * alias.c (base_alias_check): Unaligned access via AND address can
2348         alias all surrounding object types except those with sizes equal
2349         or wider than the size of unaligned access.
2350
2351 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
2352
2353         PR c++/26693
2354         * c-decl.c: (clone_underlying_type): Move this ...
2355         * c-common.c (set_underlying_type): ... here.
2356         Also, make sure the function properly sets TYPE_STUB_DECL() on
2357         the newly created typedef variant type.
2358         (is_typedef_decl ): New entry point.
2359         * tree.h: Added a new member member_types_needing_access_check to
2360         struct tree_decl_non_common.
2361         (set_underlying_type): New entry point.
2362         (is_typedef_type): Likewise.
2363
2364 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
2365
2366         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2367         Check whether two instructions have memory references that
2368         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
2369         are helper functions for traversing.
2370         * alias.h (insn_alias_sets_confilict_p): New prototypes.
2371         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2372         not to draw dependency edge for instructions with non-conflicting
2373         alias sets.
2374
2375 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
2376
2377         PR other/38758
2378         * longlong.h: Update copyright years.  Use soft-fp license notice.
2379         Sync __clz_tab declaration with glibc.
2380
2381 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
2382
2383         PR target/30687
2384         * doc/extend.texi (syscall_linkage): New.
2385         (version_id): Modify.
2386
2387 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2388             Richard Guenther  <rguenther@suse.de>
2389
2390         PR tree-optimization/38747
2391         PR tree-optimization/38748
2392         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2393         conversion if the base address is an indirect reference and the
2394         aliasing sets could cause issues.
2395
2396 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2397
2398         * common.opt (fgraphite, fgraphite-identity): Add comment for 
2399         explaining why these options are not documented.
2400
2401 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2402
2403         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2404         gimple_call_lhs is NULL.
2405
2406 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
2407
2408         PR target/38868
2409         * emit-rtl.c (adjust_address_1): Make sure memref is never
2410         overwritten.
2411
2412 2009-01-20  Ben Elliston  <bje@au.ibm.com>
2413
2414         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2415         const qualifier from arg parameter. Remove unnecessary cast to char *.
2416         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2417         const qualifier from arg 2.
2418
2419 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
2420
2421         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2422
2423 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2424
2425         PR c/38869
2426         * rtl.h (reinit_regs): New prototype.
2427         * regclass.c: Include ira.h.
2428         (reinit_regs): New.
2429         * Makefile.in (regclass.o): Add ira.h.
2430         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2431
2432 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
2433
2434         PR target/38736
2435         * c-common.c (handle_aligned_attribute): Use
2436         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2437         default alignment value.
2438
2439         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2440
2441         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2442         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2443
2444         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
2445         __BIGGEST_ALIGNMENT__.
2446
2447         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2448
2449 2009-01-18  Richard Guenther  <rguenther@suse.de>
2450
2451         PR tree-optimization/38819
2452         * tree-flow.h (operation_could_trap_helper_p): Declare.
2453         * tree-eh.c (operation_could_trap_helper_p): Export.
2454         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2455         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2456         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2457         are about to insert a possibly trapping instruction and fail
2458         in this case.
2459
2460 2009-01-18  Andreas Schwab  <schwab@suse.de>
2461
2462         * doc/install.texi (Configuration): Remove obsolete paragraph
2463         about use of --with-gnu-ld with --with-gnu-as.
2464
2465 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
2466
2467         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2468         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2469         Follow spelling conventions.
2470
2471 2009-01-18  Ben Elliston  <bje@au.ibm.com>
2472
2473         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2474         C++ warning about implicit conversion from void * to struct
2475         bitmap_head_def *.
2476         (bitmap_obstack_free): Likewise for bitmap_element *.
2477         * Makefile.in (bitmap.o-warn): Remove.
2478
2479 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
2480
2481         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
2482
2483 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
2484             Tobias Grosser  <tobi.grosser@amd.com>
2485
2486         * graphite.c (graphite_trans_scop_block): Do not block single
2487         nested loops.
2488
2489 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
2490
2491         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2492         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2493         test with assertion.
2494
2495 2009-01-16  Richard Guenther  <rguenther@suse.de>
2496
2497         PR tree-optimization/38835
2498         PR middle-end/36227
2499         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2500         and INT + PTR -> (INT)(PTR p+ INT) folding.
2501         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2502
2503 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
2504
2505         PR target/38554
2506         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2507         the subreg from a lowpart subreg if it is also casting the value.
2508
2509 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2510             Tobias Grosser  <tobi.grosser@amd.com>
2511
2512         * graphite.c (compare_prefix_loops): New.
2513         (build_scop_canonical_schedules): Rewritten.
2514         (graphite_transform_loops): Move build_scop_canonical_schedules
2515         after build_scop_iteration_domain.
2516
2517 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2518             Tobias Grosser  <tobi.grosser@amd.com>
2519
2520         * graphite.c (add_conditions_to_domain): Add the loops to 
2521         the dimension of the iteration domain.  Do copy the domain
2522         only when it exists.
2523         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2524         (add_conditions_to_constraints): New.
2525         (can_generate_code_stmt, can_generate_code): Removed.
2526         (gloog): Do not call can_generate_code.
2527         (graphite_transform_loops): Call add_conditions_to_constraints
2528         after building the iteration domain.
2529
2530 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
2531
2532         PR tree-optimization/38789
2533         * tree-ssa-threadedge.c
2534         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2535         __builtin_constant_p.
2536
2537 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
2538
2539         * dce.c (delete_unmarked_insns): Reversed the order that insns are
2540         examined before deleting them.
2541         
2542 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
2543
2544         * function.c (aggregate_value_p): Correctly extract the function
2545         type from CALL_EXPR_FN lookup.
2546
2547 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
2548
2549         * config/picochip/picochip.c (picochip_override_options): Revert
2550         CFI asm flag disable commited previously.
2551
2552 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2553             Tobias Grosser  <tobi.grosser@amd.com>
2554             Jan Sjodin  <jan.sjodin@amd.com>
2555
2556         * graphite.c (scan_tree_for_params): On substractions negate
2557         all the coefficients of the term.
2558         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2559         of more than two operands.
2560         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2561         (get_vdef_before_scop): Handle also the case of default definitions.
2562
2563 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2564
2565         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2566         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2567         Also use them when walking CALL_INSN_FUNCTION_USAGE.
2568
2569 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
2570             Joey Ye  <joey.ye@intel.com>
2571
2572         PR middle-end/37843
2573         * cfgexpand.c (expand_stack_alignment): Don't update stack
2574         boundary nor check incoming stack boundary here.
2575         (gimple_expand_cfg): Update stack boundary and check incoming
2576         stack boundary here.
2577
2578 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
2579
2580         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2581         
2582 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
2583
2584         PR rtl-optimization/38245
2585         * calls.c (expand_call): Add stack arguments to
2586         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2587         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2588         in regs and partially in memory or BLKmode arguments.
2589         (emit_library_call_value_1): Add stack arguments to
2590         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2591         ACCUMULATE_OUTGOING_ARGS).
2592         * dce.c: Include tm_p.h.
2593         (find_call_stack_args): New function.
2594         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
2595         argument.
2596         (mark_insn): Call find_call_stack_args for CALL_Ps.
2597         (prescan_insns_for_dce): Walk insns backwards in bb rather than
2598         forwards.  Allocate and free arg_stores bitmap if needed, pass it
2599         down to deletable_insn_p, don't mark stores set in arg_stores
2600         bitmap, clear the bitmap at the beginning of each bb.
2601         * Makefile.in (dce.o): Depend on $(TM_P_H).
2602
2603 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
2604
2605         PR target/22599
2606         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2607         to make sure the insn is a conditional test (bug 22599).  Reformat a
2608         few long lines.
2609
2610 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2611
2612         PR middle-end/38431
2613         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2614         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2615         (gloog): Do not call cleanup_tree_cfg.
2616         (graphite_transform_loops): Call cleanup_tree_cfg after all 
2617         scops have been code generated.
2618
2619 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
2620         * doc/gty.texi (Invoking the garbage collector): Added new node
2621         and section documenting ggc_collect.
2622
2623 2009-01-14  Richard Guenther  <rguenther@suse.de>
2624
2625         PR tree-optimization/38826
2626         PR middle-end/38477
2627         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2628         initialization notes only if we actually emitted a warning.
2629         (intra_create_variable_infos): Add constraints for a result decl
2630         that is passed by hidden reference.
2631         (build_pred_graph): Mark all related variables non-direct on
2632         address-taking.
2633
2634 2009-01-14  Nick Clifton  <nickc@redhat.com>
2635
2636         * ira-conflicts.c: Include addresses.h for the definition of
2637         base_reg_class.
2638         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2639         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2640
2641 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
2642
2643         PR target/38811
2644         * Makefile.in (ira-lives.o): Add except.h.
2645
2646         * ira-lives.c: Include except.h.
2647         (process_bb_node_lives): Process can_throw_internal.
2648
2649 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
2650
2651         PR rtl-optimization/38774
2652         * combine.c (simplify_set): When undoing cc_use change, don't do
2653         PUT_CODE on the newly created comparison, but instead put back the
2654         old comparison.
2655
2656 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
2657
2658         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2659         values.  Remove duplicate arm8 entry.
2660
2661 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2662
2663         PR tree-optimization/38786
2664         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2665         the SSA_NAME case of expand_scalar_variables_expr.
2666         Set the type of an expression to the type of its assign statement.
2667         (expand_scalar_variables_expr): Also gather the scalar computation
2668         used to index the memory access.  Do not pass loop_p.
2669         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2670         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2671         the gimple_stmt_iterator where it inserts new code.
2672         Do not pass loop_p.
2673         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2674         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2675
2676 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2677
2678         * graphite.h (debug_value): Removed.
2679         * graphite.c (debug_value): Removed.
2680
2681 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2682
2683         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2684         ldrd/strd with two 32-bit instructions.
2685
2686 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2687
2688         * config/arm/arm.c (struct processors): Pass for speed down into
2689         cost helper functions.
2690         (const_ok_for_op): Handle COMPARE and inequality nodes.
2691         (arm_rtx_costs_1): Rewrite.
2692         (arm_size_rtx_costs): Update prototype.
2693         (arm_rtx_costs): Pass speed down to helper functions.
2694         (arm_slowmul_rtx_costs): Rework cost calculations.
2695         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2696         (arm_9e_rtx_costs): Likewise.
2697
2698 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
2699
2700         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2701         relocations of local symbols wider than UNITS_PER_WORD are not valid.
2702         (alpha_legitimize_address): Do not split local symbols wider than
2703         UNITS_PER_WORD into HIGH/LO_SUM parts.
2704
2705 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
2706
2707         PR bootstrap/38580
2708         * gcc.c (process_command): Replace call to execvp with calls
2709         to pex_one and exit.
2710
2711 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
2712
2713         PR target/29141
2714         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2715         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2716         variant for devices with 3-byte PC.
2717         (__tablejump_elpm__) : New.
2718
2719 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2720
2721         PR c/32041
2722         * c-parser.c (c_parser_postfix_expression): Allow `->' in
2723         offsetof member-designator, handle it as `[0].'.
2724
2725 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2726
2727         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2728         function when not using named sections on targets with named sections
2729         if branch distance is less than 262132.
2730
2731 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
2732
2733         * combine.c (combine_instructions):  Recompute
2734         optimize_this_for_speed_p  for each BB in the main combine loop.
2735
2736 2009-01-12  Tomas Bily  <tbily@suse.cz>
2737
2738         PR middlend/38385
2739         * tree-loop-distribution.c (prop_phis): New function.
2740         (generate_builtin): Call prop_phis.
2741         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2742
2743 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2744
2745         PR tree-optimization/38807
2746         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2747         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2748
2749 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
2750
2751         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2752         subreg of op0 to the original op0.
2753
2754 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
2755
2756         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2757         
2758 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
2759
2760         PR debug/7055
2761         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2762         starting with digits.
2763
2764 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
2765
2766         PR target/38695
2767         * config/arm/arm.c (arm_is_long_call_p): Don't call
2768         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2769
2770 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
2771
2772         * regrename.c (regrename_optimize): Fix dumping.
2773         (find_oldest_value_reg): Preserve REG_POINTER.
2774         (copy_hardreg_forward_1): Likewise.
2775
2776 2009-01-09  Diego Novillo  <dnovillo@google.com>
2777
2778         * gimple.h (struct gimple_statement_base) <uid>: Document
2779         the restrictions on its use.
2780         (gimple_uid): Tidy.
2781         (gimple_set_uid): Tidy.
2782
2783 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2784
2785         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2786         zero guard even if align_bytes != 0 and count is smaller than
2787         size_needed.
2788
2789 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
2790
2791         PR rtl-optimization/38495
2792         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2793         (add_range_and_copies_from_move_list): Print all added ranges.
2794         Add ranges to memory optimized destination.
2795
2796 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2797
2798         PR target/38686
2799         PR target/38708
2800         * config/i386/i386.c (override_options): Reject
2801         -mstringop-strategy=rep_8byte with -m32.
2802         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2803         to 1.  Do count comparison against epilogue_size_needed at compile
2804         time even when count_exp was constant forced into register.  For
2805         size_needed don't jump to epilogue, instead just avoid aligning
2806         and invoke the body algorithm.  If need_zero_guard, add zero guard
2807         even if count is non-zero, but smaller than size_needed + number of
2808         bytes that could be stored for alignment.
2809         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2810         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
2811         but smaller than size_needed + number of bytes that could be stored
2812         for alignment.  Compare size_needed with epilogue_size_needed instead
2813         of desired_align - align, don't adjust size_needed, pass
2814         epilogue_size_needed to the epilogue expanders.
2815
2816         PR c/35742
2817         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2818
2819 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2820
2821         * pa.c (last_address): Change to unsigned.
2822         (update_total_code_bytes): Change argument to unsigned.  Don't
2823         check if insn addresses are set.
2824         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2825         addresses are not set.
2826         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2827
2828 2009-01-09  Nick Clifton  <nickc@redhat.com>
2829
2830         * config/sh/symbian.c: Replace uses of DECL_INLINE with
2831         DECL_DECLARED_INLINE_P.
2832
2833 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2834
2835         PR middle-end/38347
2836         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2837         GET_MODE (op0) in operand_subword_force calls.
2838
2839         PR middle-end/38771
2840         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2841         fold_convert arg0 operands to TREE_TYPE (op0) first.
2842
2843 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
2844
2845         * params.def (ira-max-conflict-table-size): Decrease default value
2846         to 1000.
2847
2848 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
2849
2850         PR tree-optimization/37031
2851         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2852         on parameter_set.
2853         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2854         allocate it using gc instead of heap, use VEC_quick_push instead of
2855         VEC_safe_push.
2856         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2857         instead of heap, use VEC_quick_push instead of VEC_safe_push.
2858         * tree-data-ref.h (struct access_matrix): Change matrix to gc
2859         allocated vector from heap allocated.
2860         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2861         * tree-loop-linear.c (linear_transform_loops): Allocate nest
2862         vector only after perfect_loop_nest_depth call.
2863
2864 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2865             Jan Sjodin  <jan.sjodin@amd.com>
2866
2867         PR tree-optimization/38559
2868         * graphite.c (debug_value, copy_constraint,
2869         swap_constraint_variables, scale_constraint_variable, ): New.
2870         (get_lower_bound, get_upper_bound): Removed.
2871         (graphite_trans_bb_strip_mine): Clean up this code that works
2872         only for constant number of iterations.  Fully copy upper and
2873         lower bound constraints, not only the constant part of them.
2874         * graphite.h (debug_value): Declared.
2875
2876 2009-01-08  Ira Rosen  <irar@il.ibm.com>
2877
2878         PR tree-optimization/37194
2879         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2880         Don't add the cost of cost model guard in prologue to scalar 
2881         outside cost in case of known number of iterations.
2882
2883 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
2884             Alan Modra  <amodra@bigpond.net.au>
2885
2886         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2887         non-word-aligned REG+CONST addressing.
2888
2889 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2890
2891         PR target/38706
2892         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2893         free_after_compilation when outputting a thunk.
2894         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2895         Do not call free_after_compilation here.
2896
2897 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2898
2899         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2900         (ix86_valid_target_attribute_inner_p): Ditto.
2901
2902 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
2903
2904         PR tree-optimization/38492
2905         PR tree-optimization/38498
2906         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2907         * tree-chrec.h (scev_is_linear_expression): Declared.
2908         * graphite.c (graphite_cannot_represent_loop_niter): New.
2909         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2910         (graphite_loop_normal_form): Use gcc_assert.
2911         (scan_tree_for_params): Use CASE_CONVERT.
2912         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2913         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2914         Use gcc_assert.  Discard scops that contain unhandled cases.
2915         (build_scop_conditions): Return a boolean status for unhandled cases.
2916         (strip_mine_profitable_p): Print the loop number, not its depth.
2917         (is_interchange_valid): Pass the depth of the loop nest, don't
2918         recompute it wrongly.
2919         (graphite_trans_bb_block): Same.
2920         (graphite_trans_bb_block): Print tentative of loop blocking.
2921         (graphite_trans_scop_block): Do not print that the loop has been
2922         blocked.
2923         (graphite_transform_loops): Do not handle scops that contain condition
2924         scalar phi nodes.
2925
2926 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2927
2928         AVX Programming Reference (December, 2008)
2929         * config/i386/avxintrin.h (_mm256_stream_si256): New.
2930         (_mm256_stream_pd): Likewise.
2931         (_mm256_stream_ps): Likewise.
2932
2933         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2934         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2935         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2936         (bdesc_special_args): Add __builtin_ia32_movntdq256,
2937         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2938         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2939         (ix86_expand_special_args_builtin): Likewise.
2940
2941         * config/i386/sse.md (AVXMODEDI): New.
2942         (avx_movnt<mode>): Likewise.
2943         (avx_movnt<mode>): Likewise.
2944         (<sse>_movnt<mode>): Remove AVX support.
2945         (sse2_movntv2di): Likewise.
2946
2947 2009-01-07  Richard Guenther  <rguenther@suse.de>
2948
2949         PR middle-end/38751
2950         * fold-const.c (extract_muldiv): Remove obsolete comment.
2951         (fold_plusminus_mult_expr): Undo MINUS_EXPR
2952         to PLUS_EXPR canonicalization for the canonicalization.
2953
2954 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
2955
2956         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2957         hosted cross-compilers generating less efficient code.
2958
2959 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2960
2961         * function.h (rtl_data): Add a dbr_scheduled_p field.
2962         * reorg.c (dbr_schedule): Set it.
2963         (gate_handle_delay_slots): Check it.
2964         * config/mips/mips.c (mips_base_delayed_branch): Delete.
2965         (mips_reorg): Check flag_delayed_branch instead of
2966         mips_base_delayed_branch.
2967         (mips_override_options): Don't set mips_base_delayed_branch
2968         or flag_delayed_branch.
2969
2970 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2971
2972         PR rtl-optimization/38426.
2973         * ira.c (ira): Set current_function_is_leaf earlier.
2974
2975 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
2976
2977         PR rtl-optimization/38722
2978         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2979         too early, only set a flag and modify after last possible
2980         undo_all point.
2981
2982 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
2983
2984         PR c/34252
2985         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2986         * real.c (decimal_single_format): Correct values of emin and emax.
2987         (decimal_double_format): Ditto.
2988         (decimal_quad_format): Ditto.
2989         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2990         computation of DECnn_MIN and DECnn_MAX for corrected values of
2991         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
2992         __DECnn_MIN__, and adjust its computation for the corrected value
2993         of emin.
2994
2995 2009-01-06  Jan Hubicka  <jh@suse.cz>
2996
2997         PR target/38744
2998         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2999
3000 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
3001
3002         * doc/contrib.texi (Contributors): Slightly adjust the end note.
3003         Add Robert Clark to the list of testers.
3004
3005 2009-01-06  Jan Hubicka  <jh@suse.cz>
3006             Kai Tietz  <kai.tietz@onevision.com>
3007
3008         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3009         * config/i386/i386.c (ix86_expand_call): Add clobbers.
3010
3011 2009-01-06  Jan Hubicka  <jh@suse.cz>
3012             Kai Tietz  <kai.tietz@onevision.com>
3013
3014         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3015         for w64 ABI.
3016         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3017         (ix86_nsaved_regs): Count only general purpose regs.
3018         (ix86_nsaved_sseregs): New.
3019         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3020         to 16 for w64; compute padding and size of sse reg save area.
3021         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3022         general purpose regs.
3023         (ix86_emit_save_sse_regs_using_mov): New.
3024         (ix86_expand_prologue): Save SSE regs if needed.
3025         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3026         (ix86_emit_restore_sse_regs_using_mov): New.
3027         (ix86_expand_epilogue): Save SSE regs if needed.
3028
3029 2009-01-06  Jan Hubicka  <jh@suse.cz>
3030             Kai Tietz  <kai.tietz@onevision.com>
3031
3032         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
3033         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
3034         functions when accumulate outgoing args is off.
3035
3036 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
3037
3038         PR bootstrap/38742
3039         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
3040         before using pseudos_have_intersected_live_ranges_p.
3041
3042         * ira-int.h (ira_assert): Always define.
3043
3044 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
3045
3046         AVX Programming Reference (December, 2008)
3047         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
3048         (_mm256_permute2_pd): Likewise.
3049         (_mm_permute2_ps): Likewise.
3050         (_mm256_permute2_ps): Likewise.
3051         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
3052         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
3053
3054         * config/i386/i386.c (ix86_builtins): Remove
3055         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
3056         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
3057         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
3058         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
3059         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
3060         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
3061         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
3062         __builtin_ia32_vpermil2ps256.
3063         (ix86_init_mmx_sse_builtins): Updated.
3064         (ix86_expand_args_builtin): Likewise.
3065
3066 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3067
3068         * pa.c (output_call): Relocate non-jump insns in the delay slot of
3069         long absolute calls when generating PA 2.0 code.
3070
3071 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
3072
3073         PR rtl-optimization/38583
3074         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3075
3076         * params.def (ira-max-conflict-table-size): New.
3077
3078         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3079         
3080         * ira.h (ira_conflicts_p): New external definition.
3081         
3082         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3083         table.  Report this.  Return result of building.
3084         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
3085         building conflict table.
3086
3087         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3088         (ira_color): Use ira_conflicts_p.
3089         
3090         * global.c: Include ira.h.
3091         (pseudo_for_reload_consideration_p, build_insn_chain): Use
3092         ira_conflicts_p.
3093
3094         * Makefile.in (global.o): Add ira.h.
3095         
3096         * ira-build.c (mark_all_loops_for_removal,
3097         propagate_some_info_from_allocno): New.
3098         (remove_unnecessary_allocnos): Call
3099         propagate_some_info_from_allocno.
3100         (remove_low_level_allocnos): New.
3101         (remove_unnecessary_regions): Add parameter.  Call
3102         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
3103         parameter to remove_unnecessary_regions.
3104         (ira_build): Remove all regions but root if the conflict table was
3105         not built.  Update conflict hard regs for allocnos crossing calls.
3106
3107         * ira.c (ira_conflicts_p): New global.
3108         (ira): Define and use ira_conflicts_p.
3109
3110         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3111         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3112         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3113         
3114 2009-01-06  Ben Elliston  <bje@au.ibm.com>
3115
3116         * gengtype-lex.l (YY_NO_INPUT): Define.
3117
3118 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3119
3120         PR c/34911
3121         * c-common.c (handle_vector_size_attribute): Also reject
3122         BOOLEAN_TYPE types.
3123
3124 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
3125
3126         PR tree-optimization/38492
3127         * graphite.c (rename_map_elt, debug_rename_elt,
3128         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3129         rename_map_elt_info, eq_rename_map_elts,
3130         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3131         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3132         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3133         (sese_build_livein_liveouts): New.
3134         (new_sese, free_sese): New.
3135         (new_scop): Call new_sese.
3136         (free_scop): Call free_sese.
3137         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3138         (register_old_new_names): Renamed register_old_and_new_names.
3139         (register_scop_liveout_renames, add_loop_exit_phis,
3140         insert_loop_close_phis, struct igp,
3141         default_liveout_before_guard, add_guard_exit_phis,
3142         insert_guard_phis, copy_renames): New.
3143         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3144         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3145         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3146         (scop_adjust_phis_for_liveouts): New.
3147         (gloog): Call scop_adjust_phis_for_liveouts.
3148
3149         * graphite.h (struct sese): Documented.  Added fields liveout,
3150         num_ver and livein.
3151         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3152         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3153         (struct scop): Added field liveout_renames.
3154         (SCOP_LIVEOUT_RENAMES): New.
3155
3156 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3157
3158         PR tree-optimization/38510
3159         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3160         (translate_clast): Call recompute_all_dominators before
3161         graphite_verify.
3162         (gloog): Call recompute_all_dominators before graphite_verify.
3163
3164 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3165             Jan Sjodin  <jan.sjodin@amd.com>
3166
3167         PR tree-optimization/38500
3168         * graphite.c (create_sese_edges): Call fix_loop_structure after
3169         splitting blocks.
3170
3171 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
3172
3173         * config.gcc: Add m32r*-*-rtems*.
3174         * config/m32r/rtems.h: New file.
3175
3176 2009-01-05  Ben Elliston  <bje@au.ibm.com>
3177
3178         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3179         (.po.pox): Likewise.
3180         (po/gcc.pot): Likewise.
3181
3182 2009-01-04  David S. Miller  <davem@davemloft.net>
3183
3184         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3185         (STARTING_FRAME_OFFSET): Always set to zero.
3186
3187 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
3188
3189         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3190         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3191         fixed-point types, and vectors of the same.
3192
3193 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
3194
3195         * config/mips/sync.md (*mb_barrier): Rename to...
3196         (*memory_barrier): ...this.
3197
3198 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
3199
3200         * doc/extend.texi (Function Attributes): Move @cindex after @item
3201         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3202         and put in alphabetical order. Fix 'target' name and put in order.
3203         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3204         typos.
3205
3206 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
3207
3208         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3209         (memory_barrier): Expand as unspec instead of unspec_volatile.
3210         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3211         (*memory_barrier): Define as unspec instead of unspec_volatile.
3212         Use (match_dup 0) as input operand.
3213
3214         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3215         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3216         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
3217         scratch register.  Remove operand 1.
3218         (*stbar): Define as unspec instead of unspec_volatile.
3219         Use (match_dup 0) as input operand, remove (const_int 8).
3220         (*membar): Define as unspec instead of unspec_volatile.
3221         Use (match_dup 0) as input operand, remove input operand 2.
3222
3223         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3224         (memory_barrier): Expand as unspec instead of unspec_volatile.
3225         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3226         (*memory_barrier): Define as unspec instead of unspec_volatile.
3227         Use (match_dup 0) as input operand.
3228
3229         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3230         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3231         Set volatile flag on operand 0.
3232         (*memory_barrier): New insn pattern.
3233
3234         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3235         insn operands.
3236         (*memory_barrier): Use (match_dup 0) as input operand.
3237
3238         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3239         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3240         Set volatile flag on operand 0.
3241         (*mb_internal): New insn pattern.
3242
3243         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3244
3245 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
3246
3247         PR middle-end/38586
3248         * function.c (struct temp_slot): Move to the section of the file
3249         that deals with temp slots.  Remove field 'address'.
3250         (temp_slot_address_table): New hash table of address -> temp slot.
3251         (struct temp_slot_address_entry): New struct, items for the table.
3252         (temp_slot_address_compute_hash, temp_slot_address_hash,
3253         temp_slot_address_eq, insert_temp_slot_address): Support functions
3254         for the new table.
3255         (find_temp_slot_from_address): Rewrite to use the new hash table.
3256         (remove_unused_temp_slot_addresses): Remove addresses of temp
3257         slots that have been made available.
3258         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3259         worker function for remove_unused_temp_slot_addresses.
3260         (assign_stack_temp_for_type): Don't clear the temp slot address list.
3261         Add the temp slot address to the address -> temp slot map.
3262         (update_temp_slot_address): Update via insert_temp_slot_address.
3263         (free_temp_slots): Call remove_unused_temp_slot_addresses.
3264         (pop_temp_slots): Likewise.
3265         (init_temp_slots): Allocate the address -> temp slot map, or empty
3266         the map if it is already allocated.
3267         (prepare_function_start): Initialize temp slot processing.
3268
3269 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
3270
3271         PR middle-end/38584
3272         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3273         Calculate the size of all stack vars assuming no packing of stack
3274         vars will happen, replacing a quadratic algorithm with a linear one.
3275
3276 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
3277
3278         PR target/38707
3279         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3280         can't be used.
3281
3282 2009-01-03  Diego Novillo  <dnovillo@google.com>
3283
3284         * doc/contrib.texi: Update contributions.
3285
3286 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
3287
3288         PR c++/38705
3289         * builtins.c (fold_builtin_memory_op): Give up if either operand
3290         is volatile.  Set srctype or desttype to non-qualified version
3291         of the other type.
3292
3293         PR c/38700
3294         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3295         and FUNCTION_DECLs.
3296
3297 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
3298
3299         PR rtl-optimization/35805
3300         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3301         problem if fast dce is able to remove any instructions.
3302         * dce.c (dce_process_block): Fix dump message.
3303         
3304 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
3305
3306         PR 33649
3307         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3308
3309 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
3310
3311         PR middle-end/38690
3312         * tree-flow.h (op_code_prio, op_prio): New prototypes.
3313         * tree-pretty-print.c (op_code_prio): New function.
3314         (op_prio): No longer static.  Use op_code_prio.
3315         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3316         Use op_prio and op_code_prio to determine if () should be
3317         printed around operand(s) or not.
3318
3319         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3320         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3321         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3322         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3323         pp_character instead of pp_string for single letter printing.
3324
3325 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3326
3327         * doc/extend.texi: Fix '#pragma GCC option' typo.
3328
3329 2009-01-02  Richard Guenther  <rguenther@suse.de>
3330
3331         * doc/install.texi (--enable-checking): Mention different
3332         default for stage1.
3333         (--enable-stage1-checking): Document.
3334
3335 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
3336
3337         PR middle-end/30142
3338         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
3339         case to be an error.
3340
3341 2009-01-02  Ben Elliston  <bje@au.ibm.com>
3342
3343         * config/fp-bit.h (pack_d): Constify argument.
3344         * config/fp-bit.c (makenan): Constify return type. Remove casts.
3345         (isnan): Constify argument.
3346         (isinf): Likewise.
3347         (iszero): Likewise.
3348         (pack_d): Likewise.
3349         (_fpadd_parts): Constify return type.
3350         (_fpmul_parts): Likewise.
3351         (_fpdiv_parts): Likewise.
3352
3353 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
3354
3355         PR c/36489
3356         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
3357         warn about overwriting initializer with side-effects or
3358         -Woverride-init if !IMPLICIT.
3359         (output_init_element): Likewise.  Pass IMPLICIT down to
3360         add_pending_init.
3361         (process_init_element): Add IMPLICIT argument.  Pass it down
3362         to output_init_element.
3363         (push_init_element, pop_init_level, set_designator): Adjust
3364         process_init_element callers.
3365         (set_nonincremental_init, set_nonincremental_init_from_string):
3366         Adjust add_pending_init callers.
3367         (output_pending_init_elements): Adjust output_init_element callers.
3368         * c-tree.h (process_init_element): Adjust prototype.
3369         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3370         process_init_element callers.