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1 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
2
3         PR c/39323
4         * c-common.c (handle_aligned_attribute): Properly check alignment
5         overflow.  Use (1U << i) instead of (1 << i).
6
7         * emit-rtl.c (get_mem_align_offset): Use "unsigned int" for
8         align.
9
10         * expr.h (get_mem_align_offset): Updated.
11
12         * tree.h (tree_decl_common): Change align to "unsigned int" and
13         move it before pointer_alias_set.
14
15 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
16             Jakub Jelinek  <jakub@redhat.com>
17
18         PR target/38034
19         * config/ia64/sync.md (cmpxchg_rel_<mode>): Replace input
20         gr_register_operand with gr_reg_or_0_operand.
21         (cmpxchg_rel_di): Likewise.
22         (sync_lock_test_and_set<mode>): Likewise.
23
24 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
25
26         * jump.c (rtx_renumbered_equal_p): Use subreg_get_info.
27         (true_regnum): Likewise.
28
29         * rtlanal.c (subreg_info): Moved to ...
30         * rtl.h (subreg_info): Here.  New.
31         (subreg_get_info): New.
32
33         * rtlanal.c (subreg_get_info): Make it extern.
34
35 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
36
37         PR target/39472
38         * config/i386/i386.c (ix86_abi): New.
39         (override_options): Handle -mabi=.
40         (ix86_function_arg_regno_p): Replace DEFAULT_ABI with
41         ix86_abi.
42         (ix86_call_abi_override): Likewise.
43         (init_cumulative_args): Likewise.
44         (function_arg_advance): Likewise.
45         (function_arg_64): Likewise.
46         (function_arg): Likewise.
47         (ix86_pass_by_reference): Likewise.
48         (ix86_function_value_regno_p): Likewise.
49         (ix86_build_builtin_va_list_abi): Likewise.
50         (setup_incoming_varargs_64): Likewise.
51         (is_va_list_char_pointer): Likewise.
52         (ix86_init_machine_status): Likewise.
53         (ix86_reg_parm_stack_space): Use enum calling_abi on
54         call_abi.
55         (ix86_function_type_abi): Return enum calling_abi.  Rewrite
56         for 64bit.  Replace DEFAULT_ABI with ix86_abi.
57         (ix86_function_abi): Make it static and return enum
58         calling_abi.
59         (ix86_cfun_abi): Return enum calling_abi.  Replace DEFAULT_ABI
60         with ix86_abi.
61         (ix86_fn_abi_va_list): Updated.
62
63         * config/i386/i386.h (ix86_abi): New.
64         (STACK_BOUNDARY): Replace DEFAULT_ABI with ix86_abi.
65         (CONDITIONAL_REGISTER_USAGE): Likewise.
66         (CUMULATIVE_ARGS): Change call_abi type to enum calling_abi.
67         (machine_function): Likewise.
68
69         * config/i386/i386.md (untyped_call): Replace DEFAULT_ABI
70         with ix86_abi.
71         * config/i386/cygming.h (TARGET_64BIT_MS_ABI): Likewise.
72         (STACK_BOUNDARY): Likewise.
73         * config/i386/mingw32.h (EXTRA_OS_CPP_BUILTINS): Likewise.
74
75         * config/i386/i386.opt (mabi=): New.
76
77         * config/i386/i386-protos.h (ix86_cfun_abi): Changed to
78         return enum calling_abi.
79         (ix86_function_type_abi): Likewise.
80         (ix86_function_abi): Removed.
81
82         * doc/invoke.texi: Document -mabi= option for x86.
83
84 2009-03-27  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
85
86         * builtins.c (real_dconstp): Delete.
87         (fold_builtin_logarithm): Remove inaccurate log(e) special case.
88
89 2009-03-27  Dodji Seketeli  <dodji@redhat.com>
90             Jakub Jelinek  <jakub@redhat.com>
91
92         PR debug/37959
93         * dwarf2out.c (dwarf_attr_name): Handle DW_AT_explicit attribute.
94         (gen_subprogram_die): When a function is explicit, generate the
95         DW_AT_explicit attribute.
96         * langhooks.h (struct lang_hooks_for_decls): Add
97         function_decl_explicit_p langhook.
98         * langhooks-def.h (LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P): Define.
99         (LANG_HOOKS_DECLS): Add LANG_HOOKS_FUNCTION_DECL_EXPLICIT_P.
100
101 2009-03-27  Jakub Jelinek  <jakub@redhat.com>
102
103         * builtins.c (fold_builtin_memory_op): Optimize memmove
104         into memcpy if we can prove source and destination don't overlap.
105
106         * tree-inline.c: Include gt-tree-inline.h.
107         (clone_fn_id_num): New variable.
108         (clone_function_name): New function.
109         (tree_function_versioning): Use it.
110         * Makefile.in (GTFILES): Add tree-inline.c.
111
112 2009-03-27  Mark Mitchell  <mark@codesourcery.com>
113
114         * BASE-VER: Change to 4.5.0.
115
116 2009-03-27  Xinliang David Li  <davidxl@google.com>
117
118         PR tree-optimization/39557
119         * tree-ssa.c (warn_uninitialized_vars): free postdom info.
120
121 2009-03-27  Xinliang David Li  <davidxl@google.com>
122
123         PR tree-optimization/39548
124         * tree-ssa-copy.c (copy_prop_visit_phi_node): Add copy 
125         candidate check.
126
127 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
128
129         * c-common.c (pointer_int_sum): Use %wd on return from
130         tree_low_cst.
131
132 2009-03-27  H.J. Lu  <hongjiu.lu@intel.com>
133
134         * c-common.c (pointer_int_sum): Use HOST_WIDE_INT_PRINT_DEC
135         on return from tree_low_cst.
136
137 2009-03-27  Andrew Pinski  <andrew_pinski@playstation.sony.com>
138
139         PR c++/36799
140         * ginclude/stdarg.h (va_copy): Define also for __GXX_EXPERIMENTAL_CXX0X__.
141
142 2009-03-27  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
143
144         PR c++/35652
145         * builtins.h (c_strlen): Do not warn here.
146         * c-typeck.c (build_binary_op): Adjust calls to pointer_int_sum.
147         * c-common.c (pointer_int_sum): Take an explicit location.
148         Warn about offsets out of bounds.
149         * c-common.h (pointer_int_sum): Adjust declaration.
150
151 2009-03-26  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
152
153         * doc/invoke.texi (i386 and x86-64 Windows Options): Fix texinfo
154         markup glitch.
155
156 2009-03-26  Jakub Jelinek  <jakub@redhat.com>
157
158         PR c++/39554
159         * opts.c (warn_if_disallowed_function_p): Don't assume
160         get_callee_fndecl must return non-NULL.
161
162 2009-03-26  Vladimir Makarov  <vmakarov@redhat.com>
163
164         PR rtl-optimization/39522
165         * reload1.c (reload_as_needed): Invalidate reg_last_reload_reg too
166         when reg_reloaded_valid is set.
167
168 2009-03-26  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
169
170         * config/spu/divv2df3.c: New file.
171         * config/spu/t-spu-elf (LIB2FUNCS_STATIC_EXTRA): Add it.
172         (DPBIT_FUNCS): Filter out _div_df.
173
174 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
175
176         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
177         a jump insn, count that jump in the distance to the loop start.
178
179 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
180
181         PR target/39523
182         * config/sh/sh.c (calc_live_regs): Fix condition for global
183         registers except PIC_OFFSET_TABLE_REGNUM.
184
185 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
186
187         PR/39518
188         * doc/invoke.texi (-mconsole): New.
189         (-mcygwin): New.
190         (-mno-cygwin): New.
191         (-mdll): New.
192         (-mnop-fun-dllimport): New.
193         (-mthread): New.
194         (-mwin32): New.
195         (-mwindows): New.
196         (sub section "i386 and x86-64 Windows Options"): New.
197
198 2009-03-25  Ralf Cors├ępius <ralf.corsepius@rtems.org>
199
200         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
201         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
202
203 2009-03-25  Richard Guenther  <rguenther@suse.de>
204
205         PR middle-end/39497
206         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
207         of -Wno-error.
208
209 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
210
211         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
212         neither of haifa/selective schedulers are working.
213
214 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
215
216         * doc/invoke.texi (Debugging Options): Fix description of
217         -fno-merge-debug-strings.
218
219 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
220
221         * config/cris/libgcc.ver: New version-script.
222         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
223
224         * configure.ac <GAS features, nop mnemonic>: Add pattern
225         crisv32-*-* for "nop".
226         <GAS features, Thread-local storage>: Add item for CRIS and
227         CRIS v32.
228         * configure: Regenerate.
229
230 2009-03-24  Ira Rosen  <irar@il.ibm.com>
231
232         PR tree-optimization/39529
233         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
234         mark_sym_for_renaming for the tag copied to the new vector
235         pointer.
236
237 2009-03-24  Arthur Loiret  <aloiret@debian.org>
238
239         * config.host (alpha*-*-linux*): Use driver-alpha.o and
240         alpha/x-alpha.
241         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
242         EXTRA_SPEC_FUNCTIONS.
243         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
244         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
245         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
246         -march and -mtune options.
247
248 2009-03-24  Ralf Cors├ępius <ralf.corsepius@rtems.org>
249
250         * config/m68k/t-rtems: Add m5329 multilib.
251
252 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
253             Jakub Jelinek  <jakub@redhat.com>
254
255         PR debug/39524
256         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
257         nodes.
258
259 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
260
261         PR c/39495
262         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
263         instead of c_parser_expression_conv, if original_code isn't one of the
264         4 allowed comparison codes, fail.
265
266 2009-03-23  Richard Guenther  <rguenther@suse.de>
267
268         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
269         * tree.h (struct tree_type): Likewise.
270         * reload.h (struct insn_chain): Likewise.
271         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
272         * function.h (struct function): Likewise.
273         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
274
275 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
276
277         PR tree-optimization/39516
278         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
279
280 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
281
282         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
283         should be set true if BITS_PER_WORD of target is bigger than 32
284
285 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
286
287         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
288         Translate -B-options to -rpath-link.  Correct existing
289         rpath-link and conditionalize on !nostdlib.
290
291 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
292
293         * doc/extend.texi (Function Attributes, Variable Attributes):
294         Fix typos.
295         * doc/invoke.texi (Debugging Options, Optimize Options)
296         (i386 and x86-64 Options, MCore Options): Likewise.
297
298 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
299
300         PR debug/37890
301         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
302         it for block local namespace aliases.
303         (gen_decl_die): Pass context_die to gen_namespace_die.
304
305 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
306
307         PR c/39495
308         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
309         minimum or maximum value.
310
311 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
312
313         * reginfo.c (globalize_reg): Recompute derived reg sets.
314
315 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
316
317         PR target/39063
318         * libgcc2.c (mprotect): Do not use signed arguments for
319         VirtualProtect, use DWORD arguments.  Also fix the 'may
320         be used uninitialized' warning for the np variable.
321
322 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
323
324         PR target/39496
325         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
326         functions using regparm calling conventions when not optimizing.
327         (ix86_function_sseregparm): Similarly for sseregparm calling
328         conventions.
329
330 2009-03-19  Li Feng  <nemokingdom@gmail.com>
331
332         PR middle-end/39500
333         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
334         dependence if the first conflict is after niter iterations.
335
336 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
337
338         PR middle-end/38609
339         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
340         functions with dynamic stack-pointer adjustments.
341
342 2009-03-19  Ben Elliston  <bje@au.ibm.com>
343
344         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
345         option; change to -msdata=data.
346
347 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
348
349         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
350         and -fopenmp.
351
352 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
353
354         PR target/35180
355         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
356
357 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
358
359         * doc/invoke.texi (Code Gen Options): Expand discussion of
360         -fno-common.
361
362 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
363
364         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
365         * matrix-reorg.c (struct matrix_info): Likewise.
366         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
367         * rtl.h (struct mem_attrs): Likewise.
368         * df.h (struct df): Likewise.
369         * tree-data-ref.h (struct data_dependence_relation): Likewise.
370         * ira-int.h (struct ira_allocno): Likewise.
371         * df-scan.c (struct df_collection_rec): Likewise.
372         * ira.c (struct equivalence): Likewise.
373         * function.c (struct temp_slot): Likewise.
374         * cfgloop.h (struct loop): Likewise.
375
376         PR debug/39485
377         * function.c (use_register_for_decl): When not optimizing, disregard
378         register keyword for variables with types containing methods.
379
380 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
381
382         PR middle-end/39447
383         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
384         (is_simple_operand): Call contains_component_ref_p before calling data
385         reference analysis that would fail on COMPONENT_REFs.
386
387         * tree-vrp.c (search_for_addr_array): Fix formatting.
388
389 2009-03-18  Richard Guenther  <rguenther@suse.de>
390
391         * tree-vect-transform.c (vect_loop_versioning): Fold the
392         generated comparisons.
393         * tree-vectorizer.c (set_prologue_iterations): Likewise.
394         (slpeel_tree_peel_loop_to_edge): Likewise.
395
396 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
397
398         PR middle-end/37805
399         * opts.c (print_specific_help): In addition to `undocumented',
400         accept `separate' and `joined' flags if passed alone.  Describe
401         output by the first matched one of those.
402         (common_handle_option): Skip over empty strings.
403         * gcc.c (display_help): Fix help string for `--help='.
404         * doc/invoke.texi (Option Summary, Overall Options): With
405         `--help=', classes and qualifiers can both be repeated, but
406         only the latter can be negated.  One should not pass only
407         negated qualifiers.  Fix markup and examples.
408
409         Revert
410         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
411         PR middle-end/37805
412         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
413         and -fhelp=separate.
414
415 2009-03-17  Jing Yu  <jingyu@google.com>
416
417         PR middle-end/39378
418         * function.h (struct rtl_data): Move is_thunk from here...
419         (struct function): ...to here.
420         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
421         * varasm.c (assemble_start_function): Change is_thunk from crtl to
422         cfun.
423         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
424         cfun.
425         (alpha_does_function_need_gp, alpha_start_function): Likewise.
426         (alpha_output_function_end_prologue): Likewise.
427         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
428         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
429         (rs6000_output_function_epilogue): Likewise.
430         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
431
432 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
433
434         PR target/39482
435         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
436         from different units in a single alternative.
437         (*truncdfsf_i387): Ditto.
438         (*truncxfsf2_mixed): Ditto.
439         (*truncxfdf2_mixed): Ditto.
440
441 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
442
443         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
444         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
445
446         PR debug/39474
447         * tree-ssa-live.c (remove_unused_locals): Don't remove local
448         unused non-artificial variables when not optimizing.
449
450         PR debug/39471
451         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
452         DW_TAG_imported_module even if decl is IMPORTED_DECL with
453         NAMESPACE_DECL in its DECL_INITIAL.
454
455         PR middle-end/39443
456         * optabs.c (set_user_assembler_libfunc): New function.
457         * expr.h (set_user_assembler_libfunc): New prototype.
458         * c-common.c: Include libfuncs.h.
459         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
460         for memcmp, memset, memcpy, memmove and abort.
461         * Makefile.in (c-common.o): Depend on libfuncs.h.
462
463         PR debug/39412
464         * dwarf2out.c (gen_inlined_enumeration_type_die,
465         gen_inlined_structure_type_die, gen_inlined_union_type_die,
466         gen_tagged_type_instantiation_die): Removed.
467         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
468         do nothing.
469
470 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
471
472         PR testsuite/38526
473         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
474         its use.
475         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
476         (check-parallel-%): Ditto.
477         (check-consistency): Ditto.
478
479 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
480
481         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
482         local variable rhs by NULL_TREE.
483
484 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
485
486         PR target/39477
487         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
488
489 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
490
491         PR target/39476
492         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
493
494 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
495
496         PR target/39473
497         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
498         for ms->sysv ABI calls only in 64bit mode.
499
500         * config/i386/i386.md (untyped_call): Support 32bit.
501
502 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
503
504         * doc/extend.texi: Replace x86_65 with x86_64.
505
506 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
507
508         PR tree-optimization/39455
509         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
510         mismatches for POINTER_TYPE_P (type).
511         (number_of_iterations_le): Likewise.
512
513 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
514
515         * config/picochip/picochip.c: Removed profiling support.
516         * config/picochip/picochip.md: Removed profiling instruction.
517         * config/picochip/picochip.h: Removed profiling builtin.
518
519 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
520
521         * doc/install.texi (--with-host-libstdcxx): Document.
522
523 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
524
525         PR target/34299
526         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
527         generate a warning if the function name does not begin with
528         "__vector" and the function has either the 'signal' or 'interrupt'
529         attribute, from here to ...
530         (avr_declare_function_name): ...here. New function.
531         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
532         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
533
534 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
535
536         PR bootstrap/39454
537         * cse.c (fold_rtx): Don't modify original const_arg1 when
538         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
539         separate variable instead.
540         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
541         from out of range shift counts.
542         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
543
544 2008-03-13  Catherine Moore  <clm@codesourcery.com>
545
546         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
547         diagnostic.h with $(DIAGNOSTIC_H).
548
549 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
550
551         PR target/39431
552         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
553         predicate.
554         * config/i386/sync.md (sync_compare_and_swap<mode>,
555         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
556         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
557         into a register.
558         (sync_double_compare_and_swapdi_pic,
559         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
560         cmpxchg8b_pic_memory_operand instead of just memory_operand.
561
562 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
563
564         PR target/39445
565         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
566
567 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
568
569         PR target/39327
570         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
571         (avx_addsubv4df3): Likewise.
572         (*avx_addsubv4sf3): Likewise.
573         (sse3_addsubv4sf3): Likewise.
574
575 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
576
577         PR target/38824
578         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
579
580 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
581
582         PR debug/39432
583         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
584         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
585         registers for allocnos created from user-defined variables.
586
587 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
588
589         PR target/39181
590         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
591         of non-integer mode as well.
592
593 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
594
595         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
596         for functions for which the parameter types are unknown.
597
598 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
599
600         PR target/39137
601         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
602         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
603         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
604         * config/i386/i386.c (ix86_local_alignment): For
605         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
606         long long variables on the stack to avoid dynamic realignment.
607         Allow the first argument to be a decl rather than type.
608         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
609
610 2009-03-11  Nick Clifton  <nickc@redhat.com>
611
612         PR target/5362
613         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
614         options.
615         Add description to mno-lsim option.
616         * config/mcore/mcore.h: Remove comment about deprecated m4align
617         option.
618         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
619         * doc/invoke.texi: Add description of mno-lsim and
620         mstack-increment options.
621
622         * config/fr30/fr30.opt: Document the -mno-lsim option.
623         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
624         and -mno-lsim options.
625
626 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
627
628         * fold-const.c (fold_comparison): Only call fold_inf_compare
629         if the mode supports infinities.
630
631 2009-03-11  Jason Merrill  <jason@redhat.com>
632
633         PR debug/39086
634         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
635         end already did.  Notice GIMPLE_CALL modifications of the result.
636         Don't copy debug information from an ignored decl or a decl from
637         another function.
638
639 2009-03-10  Richard Guenther  <rguenther@suse.de>
640             Nathan Froyd  <froydnj@codesourcery.com>
641
642         PR middle-end/37850
643         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
644         (__divMODE3): Likewise.
645
646 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
647
648         PR tree-optimization/39394
649         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
650         DECL_SIZE_UNIT of variable length FIELD_DECLs.
651
652 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
653
654         * recog.c (verfiy_changes): Disallow renaming of hard regs in
655         inline asms for register asm ("") declarations.
656
657 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
658
659         * fold-const.c (fold_unary): Fix comment.
660
661 2009-03-07  Jan Hubicka  <jh@suse.cz>
662
663         PR target/39361
664         * tree-inline.c (setup_one_parameter): Do replacement of const
665         argument by constant in SSA form.
666
667 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
668
669         PR middle-end/38028
670         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
671         determine alignment passed to assign_stack_local.
672         (assign_parms_unsplit_complex): Likewise.
673         * except.c (sjlj_build_landing_pads): Likewise.
674
675 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
676
677         PR middle-end/39360
678         * tree-flow.h (add_referenced_var): Return bool instead of void.
679         * tree-dfa.c (add_referenced_var): Return result of
680         referenced_var_check_and_insert call.
681         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
682         of referenced_var_check_and_insert.
683
684         PR debug/39372
685         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
686         (gen_variable_die): Emit DW_AT_location on abstract static variable's
687         DIE, don't emit it if abstract origin already has it.
688         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
689         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
690
691 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
692
693         * genpreds.c: (needs_variable): Fix parentheses at variable name
694         detection.
695         (write_tm_constrs_h): Indent generated code.
696
697 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
698
699         * doc/extend.texi (Function Attributes): Add documentation
700         for isr attributes.
701
702 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
703
704         PR debug/39387
705         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
706         take locus from its DECL_SOURCE_LOCATION instead of input_location.
707
708 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
709
710         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
711         the loop as bad.
712
713 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
714
715         PR debug/39379
716         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
717         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
718
719 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
720
721         * config/i386/i386.md (R8_REG, R9_REG): New constants.
722         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
723         constants instead of magic numbers.
724         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
725         (QI_REG_P): Ditto.
726         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
727         (x86_64_ms_abi_int_parameter_registers): Ditto.
728         (x86_64_int_return_registers): Ditto.
729         (ix86_maybe_switch_abi): Ditto.
730         (ix86_expand_call): Ditto for clobbered_registers array.
731         (ix86_hard_regno_mode_ok): Ditto.
732         (x86_extended_QIreg_mentioned_p): Ditto.
733
734 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
735
736         PR tree-optimization/39349
737         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
738
739         * combine.c (gen_lowpart_for_combine): Use omode when generating
740         clobber.
741
742 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
743
744         PR rtl-optimization/39235
745         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
746
747 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
748
749         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
750
751 2009-03-04  Richard Guenther  <rguenther@suse.de>
752
753         PR tree-optimization/39362
754         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
755         that occur in abnormal PHIs should be varying.
756
757 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
758
759         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
760         Extend comments.
761         (simple_iv):  Take loop as an argument instead of statement.
762         * tree-scalar-evolution.h (simple_iv): Declaration changed.
763         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
764         to simple_iv.
765         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
766         Ditto.
767         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
768         * matrix-reorg.c (analyze_transpose): Ditto.
769         * tree-data-ref.c (dr_analyze_innermost): Ditto.
770         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
771         * tree-predcom.c (ref_at_iteration): Ditto.
772         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
773
774 2009-03-04  Richard Guenther  <rguenther@suse.de>
775
776         PR tree-optimization/39358
777         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
778         escaped_id and callused_id.
779         (solve_graph): Likewise.
780
781 2009-03-04  Richard Guenther  <rguenther@suse.de>
782
783         PR tree-optimization/39339
784         * tree-sra.c (try_instantiate_multiple_fields): Make it
785         no longer ICE on the above.
786
787 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
788
789         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
790         that fits within Pmode.
791
792 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
793
794         PR middle-end/10109
795         * tm.texi (LIBCALL_VALUE): Update description.
796
797 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
798
799         PR middle-end/34443
800         * doc/extend.texi (section): Update description.
801
802 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
803
804         PR middle-end/39345
805         * tree-inline.c (remapped_type): New.
806         (can_be_nonlocal): Call remapped_type instead of remap_type.
807
808 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
809
810         PR fortran/39354
811         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
812         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
813
814 2009-03-03  Richard Guenther  <rguenther@suse.de>
815
816         PR middle-end/39272
817         * tree.c (tree_nonartificial_location): New function.
818         * tree.h (tree_nonartificial_location): Declare.
819         * builtins.c (expand_builtin_memory_chk): Provide location
820         of the call location for artificial function pieces.
821         (maybe_emit_chk_warning): Likewise.
822         (maybe_emit_sprintf_chk_warning): Likewise.
823         (maybe_emit_free_warning): Likewise.
824         * expr.c (expand_expr_real_1): Likewise.
825
826 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
827
828         PR tree-optimization/39343
829         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
830         COMPONENT_REF t has ARRAY_TYPE.
831
832 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
833
834         PR middle-end/39335
835         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
836         when the type precision of the induction variable should be
837         larger than the type precision of nit.
838         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
839         * graphite.c (graphite_loop_normal_form): Same.
840         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
841
842 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
843
844         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
845         (*call_1_rex64_ms_sysv): Use named constants instead of magic
846         numbers to describe clobbered registers.
847         (*call_value_0_rex64_ms_sysv): Ditto.
848         * config/i386/mmx.md (mmx_emms): Ditto.
849         (mmx_femms): Ditto.
850
851 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
852
853         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
854         of ABI_64.
855
856 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
857
858         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
859         (spu_section_type_flags): New function.
860
861 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
862
863         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
864         reg_class_contents of FLOAT_REGS into a temporary.
865
866 2009-03-02  Richard Guenther  <rguenther@suse.de>
867             Ira Rosen  <irar@il.ibm.com>
868
869         PR tree-optimization/39318
870         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
871         information to the vectorized statement.
872
873 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
874
875         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
876         variable.  Use defined names instead of magic constants for REX SSE
877         registers.
878
879 2009-03-01  Richard Guenther  <rguenther@suse.de>
880
881         PR tree-optimization/39331
882         * omp-low.c (lower_send_shared_vars): Do not receive new
883         values for the reference of DECL_BY_REFERENCE parms or results.
884
885 2009-03-01  Jan Hubicka  <jh@suse.cz>
886
887         PR debug/39267
888         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
889         BLOCK_NONLOCALIZED_VAR): New macros.
890         (tree_block): Add nonlocalized_vars.
891         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
892         gen_decl_die): Add origin argument.  Allow generation of die with
893         origin at hand only.
894         (gen_member_die, gen_type_die_with_usage, force_decl_die,
895         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
896         of gen_*.
897         (gen_block_die): Fix checking for unused blocks.
898         (process_scope_var): Break out from .... ; work with origins only.
899         (decls_for_scope) ... here; process nonlocalized list.
900         (dwarf2out_ignore_block): Look for nonlocalized vars.
901         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
902         vars.
903         (dump_scope_block): Dump them.
904         * tree-inline.c (remap_decls): Handle nonlocalized vars.
905         (remap_block): Likewise.
906         (can_be_nonlocal): New predicate.
907         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
908
909 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
910
911         * configure: Regenerate.
912
913 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
914
915         * optc-gen.awk: No need to duplicate option flags twice.
916         Reuse help texts for duplicate options which do not have any.
917
918         * gcc.c (display_help): Document --version.
919
920         * gcc.c (main): If print_help_list and verbose_flag, ensure
921         driver output comes before subprocess output.
922
923         * optc-gen.awk: Assign all remaining fields to help string,
924         space-separated, for multi-line help in *.opt.
925
926         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
927         -Wno-pedantic-ms-format is for MinGW targets only.
928
929         * doc/options.texi (Option file format): Fix bad indentation,
930         restoring dropped sentence.
931
932 2009-02-28  Jan Hubicka  <jh@suse.cz>
933
934         * tree-inline.c (tree_function_versioning): Output debug info.
935
936 2009-02-28  Jan Hubicka  <jh@suse.cz>
937
938         PR debug/39267
939         * tree-inline.c (setup_one_parameter): Do not copy propagate
940         arguments when not optimizing.
941
942 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
943
944         PR target/39327
945         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
946         (avx_addsubv4df3): Likewise.
947         (*avx_addsubv4sf3): Likewise.
948         (sse3_addsubv4sf3): Likewise.
949         (*avx_addsubv2df3): Likewise.
950         (sse3_addsubv2df3): Likewise.
951         (avx_unpckhps256): Correct item selectors.
952         (avx_unpcklps256): Likewise.
953         (avx_unpckhpd256): Likewise.
954         (avx_unpcklpd256): Likewise.
955
956 2009-02-28  Jan Hubicka  <jh@suse.cz>
957
958         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
959         static vars.
960         (copy_arguments_for_versioning): If var is declared don't declare it.
961         (tree_function_versioning): First setup substitutions and then copy
962         args.
963
964 2009-02-27  Jan Hubicka  <jh@suse.cz>
965
966         PR debug/39267
967         * cgraph.h (varpool_output_debug_info): Remove.
968         * cgraphunit.c (varpool_output_debug_info): Remove.
969         * dwarf2out.c (deferred_locations_struct): New struct
970         (deferred_locations): New type.
971         (deferred_locations_list): New static var.
972         (deffer_location): New function.
973         (gen_variable_die): Use it.
974         (decls_for_scope): Output info on local static vars.
975         (dwarf2out_finish): Process deferred locations.
976         * varpool.c (varpool_output_debug_info): Remove.
977
978 2009-02-27  Jan Hubicka  <jh@suse.cz>
979
980         PR debug/39267
981         * tree.h (TREE_PROTECTED): Fix comment.
982         (BLOCK_HANDLER_BLOCK): Remove.
983         (struct tree_block): Remove handler_block add body_block.
984         (inlined_function_outer_scope_p): New.
985         (is_body_block): Remove.
986         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
987         * dwarf2out.c (is_inlined_entry_point): Remove.
988         (add_high_low_attributes): Use inlined_function_outer_scope_p.
989         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
990         code.
991         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
992         * gimplify.c (gimplify_expr): Gimplify body blocks.
993         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
994         block with multiple subblocks.
995         (dump_scope_block): Prettier output; dump more flags and info.
996         (dump_scope_blocks): New.
997         (remove_unused_locals): Use dump_scope_blocks.
998         * tree-flow.h (dump_scope_blocks): Declare.
999         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
1000         * stmt.c (is_body_block): Remove.
1001         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
1002         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
1003
1004 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
1005
1006         PR middle-end/39308
1007         * graphite.c (graphite_loop_normal_form): Do not call 
1008         number_of_iterations_exit from a gcc_assert.
1009
1010 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1011
1012         * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
1013         jumps if COND is NULL.
1014         (find_cond_jump): New function.
1015         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
1016         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
1017
1018 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
1019
1020         * config/alpha/alpha.h (alpha_expand_mov): Return false if
1021         force_const_mem returns NULL_RTX.
1022
1023 2009-02-26  Jan Hubicka  <jh@suse.cz>
1024
1025         PR debug/39267
1026         * cgraph.h (varpool_output_debug_info): Remove.
1027         * cgraphunit.c (varpool_output_debug_info): Remove.
1028         * dwarf2out.c (deferred_locations_struct): New struct
1029         (deferred_locations): New type.
1030         (deferred_locations_list): New static var.
1031         (deffer_location): New function.
1032         (gen_variable_die): Use it.
1033         (decls_for_scope): Output info on local static vars.
1034         (dwarf2out_finish): Process deferred locations.
1035         * varpool.c (varpool_output_debug_info): Remove.
1036
1037 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
1038
1039         PR rtl-optimization/39241
1040         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
1041         to subreg_offset_representable_p.
1042
1043 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
1044
1045         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
1046         execute function prototype.  Get f and nregs from max_reg_num
1047         and get_insns.  Remove the first backward pass as it's dead,
1048         guard the forward pass by flag_expensive_optimizations.
1049         (rest_of_handle_regmove): Delete.
1050         (pass_regmove): Replace it with regmove_optimize.
1051
1052 2009-02-25  Martin Jambor  <mjambor@suse.cz>
1053
1054         PR tree-optimization/39259
1055         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
1056         calls_alloca function flags.
1057         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
1058         calls are detected.
1059
1060 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
1061
1062         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
1063         flags_set_1_rtx, flags_set_1_set): Delete.
1064         (regmove_optimize): Do not call mark_flags_life_zones.
1065
1066 2009-02-24  Julian Brown  <julian@codesourcery.com>
1067
1068         PR target/35965
1069         * config/arm/arm.c (require_pic_register): Only set
1070         cfun->machine->pic_reg once per function.
1071
1072 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
1073
1074         * doc/invoke.texi (Link Options): Document an easier way to pass
1075         options that take arguments to the GNU linker using -Xlinker and -Wl.
1076
1077 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
1078
1079         PR target/33785
1080         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
1081
1082 2009-02-24  Richard Guenther  <rguenther@suse.de>
1083
1084         PR debug/39285
1085         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
1086
1087 2009-02-24  Richard Guenther  <rguenther@suse.de>
1088             Zdenek Dvorak  <ook@ucw.cz>
1089
1090         PR tree-optimization/39233
1091         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
1092         from converting them to a generic type.
1093
1094 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
1095
1096         PR tree-optimization/39260
1097         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
1098         contains a condition with a real type.
1099         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
1100
1101 2009-02-23  Jason Merrill  <jason@redhat.com>
1102
1103         PR c++/38880
1104         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
1105         narrowing_initializer_constant_valid_p.
1106         (narrowing_initializer_constant_valid_p): Don't return 
1107         null_pointer_node for adding a pointer to itself.
1108
1109 2009-02-23  Jan Hubicka  <jh@suse.cz>
1110
1111         PR c/12245
1112         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
1113         resizing.
1114
1115 2009-02-23  Jan Hubicka  <jh@suse.cz>
1116
1117         PR tree-optimization/37709
1118         * tree.c (block_ultimate_origin): Move here from dwarf2out.
1119         * tree.h (block_ultimate_origin): Declare.
1120         * dwarf2out.c (block_ultimate_origin): Move to tree.c
1121         * tree-ssa-live.c (remove_unused_scope_block_p):
1122         Eliminate blocks containig no instructions nor live variables nor
1123         nested blocks.
1124         (dump_scope_block): New function.
1125         (remove_unused_locals): Enable removal of dead blocks by default;
1126         enable dumping at TDF_DETAILS.
1127
1128 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1129
1130         * config/i386/i386.c (classify_argument): Don't allow COImode
1131         and OImode.
1132         (function_arg_advance_32): Don't allow OImode.
1133         (function_arg_32): Likewise.
1134         (function_value_32): Likewise.
1135         (return_in_memory_32): Likewise.
1136         (function_arg_64): Remove OImode comment.
1137
1138 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1139
1140         PR target/39261
1141         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
1142         ix86_expand_vector_set for V4DImode in 64bit mode only.
1143         (ix86_expand_vector_init_one_var): Likewise.
1144
1145 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
1146
1147         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
1148
1149 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
1150
1151         PR bootstrap/39257
1152         * loop-iv.c: Revert last change.
1153         * emit-rtl.c: Likewise.
1154
1155 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
1156
1157         PR target/39256
1158         * config/i386/i386.c (type_natural_mode): Remove an extra
1159         space in the warning message.
1160         (function_value_32): Handle 32-byte vector modes.
1161         (return_in_memory_32): Likewise.
1162
1163 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
1164
1165         * loop-iv.c (truncate_value): New function.
1166         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
1167         of lowpart_subreg.
1168         (lowpart_subreg): Move to...
1169         * emit-rtl.c: ...here.
1170
1171 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
1172
1173         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1174         accidental and undocumented change at revision 140860.
1175
1176 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
1177
1178         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1179         take gimple_seq * arguments.
1180         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1181         types_compatible_p langhook.
1182
1183 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
1184             Joseph Myers  <joseph@codesourcery.com>
1185
1186         * config/arm/arm.c (arm_builtin_va_list): New function.
1187         (arm_expand_builtin_va_start): Likewise.
1188         (arm_gimplify_va_arg_expr): Likewise.
1189         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1190         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1191         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1192         (va_list_type): New variable.
1193         (arm_mangle_type): Mangle va_list_type appropriately.
1194
1195 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
1196
1197         PR middle-end/39157
1198         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1199         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1200         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1201         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1202         parameter to 1000 for -O1 by default.
1203         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1204         parameter.
1205         * loop-invariant.c: Include params.h.
1206         (move_loop_invariants): Don't call move_single_loop_invariants on
1207         very large loops.
1208
1209 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
1210
1211         * calls.c (emit_library_call_value_1): Use slot_offset instead of
1212         offset when calculating bounds for indexing stack_usage_map.  Fixes
1213         a buffer overflow with certain target setups.
1214
1215 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
1216
1217         PR target/39240
1218         * calls.c (expand_call): Clear try_tail_call if caller and callee
1219         disagree in promotion of function return value.
1220
1221 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
1222
1223         PR target/39175
1224         * c-common.c (c_determine_visibility): If visibility changed and
1225         DECL_RTL has been already set, call make_decl_rtl to update symbol
1226         flags.
1227
1228 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1229
1230         PR c++/39188
1231         * varasm.c (assemble_variable): Don't check DECL_NAME when
1232         globalizing a variable.
1233
1234 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
1235
1236         PR c/38483
1237         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1238         expression before any __builtin_trap call.
1239         * c-typeck.c (build_function_call): Convert and check function
1240         arguments before generating a call to a trap.  Evaluate the
1241         function arguments before the trap.
1242
1243 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
1244
1245         PR target/39228
1246         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1247         (UNSPEC_FXAM_MEM): New unspec.
1248         (fxam<mode>2_i387_with_temp): New insn and split pattern.
1249         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
1250         memory using fxam<mode>2_i387_with_temp to remove excess precision.
1251
1252 2009-02-19  Richard Guenther  <rguenther@suse.de>
1253
1254         PR tree-optimization/39207
1255         PR tree-optimization/39074
1256         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1257         storedanything_tree): New.
1258         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
1259         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1260         (build_succ_graph): Add edges from STOREDANYTHING to all
1261         non-direct nodes.
1262         (init_base_vars): Initialize STOREDANYTHING.
1263         (compute_points_to_sets): Free substitution info after
1264         building the succ graph.
1265         (ipa_pta_execute): Likewise.
1266
1267         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1268         field.
1269         (do_ds_constraint): Do not add to special var or non-pointer
1270         field solutions.
1271         (type_could_have_pointers): Split out from ...
1272         (could_have_pointers): ... here.  For arrays use the element type.
1273         (create_variable_info_for): Initialize may_have_pointers.
1274         (new_var_info): Likewise.
1275         (handle_lhs_call): Make the HEAP variable unknown-sized.
1276         (intra_create_variable_infos): Use a type with pointers for
1277         PARM_NOALIAS, make it unknown-sized.
1278
1279 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1280
1281         PR target/39224
1282         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1283
1284 2009-02-18  Jason Merrill  <jason@redhat.com>
1285
1286         PR target/39179
1287         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1288         value if DECL_EXTERNAL.
1289         * tree-sra.c (sra_walk_gimple_assign): Likewise.
1290         * target.h (gcc_target::binds_local_p): Clarify "module".
1291         * tree.h (TREE_PUBLIC): Clarify "module".
1292
1293 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
1294
1295         PR target/38891
1296         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1297         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1298
1299 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
1300
1301         PR target/39082
1302         * c.opt (Wabi): Support C and ObjC.
1303         (Wpsabi): New.
1304
1305         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1306
1307         * config/i386/i386.c (classify_argument): Warn once about the ABI
1308         change when passing union with long double.
1309
1310         * doc/invoke.texi: Update -Wabi for warning psABI changes.
1311
1312 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
1313
1314         PR c/35447
1315         * c-parser.c (c_parser_compound_statement): Always enter and leave
1316         a scope.
1317
1318 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1319
1320         PR target/34587
1321         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1322
1323 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
1324
1325         PR tree-optimization/36922
1326         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1327         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1328         Likewise.
1329
1330 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1331
1332         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1333         to 0 for EABI64.
1334
1335 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1336
1337         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1338
1339 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1340
1341         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1342         tree sharing.
1343
1344 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
1345             Richard Sandiford  <rdsandiford@googlemail.com>
1346
1347         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1348         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1349         (loongson_biadd): ...this.
1350
1351 2009-02-17  Richard Guenther  <rguenther@suse.de>
1352
1353         PR tree-optimization/39202
1354         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1355         a var make sure to follow existing collapses.
1356
1357 2009-02-17  Richard Guenther  <rguenther@suse.de>
1358
1359         PR middle-end/39214
1360         * langhooks.c (lhd_print_error_function): Check for NULL block.
1361
1362 2009-02-17  Richard Guenther  <rguenther@suse.de>
1363
1364         PR tree-optimization/39204
1365         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1366         of the PHI arg.
1367
1368 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
1369
1370         * config/soft-fp/double.h: Update from glibc CVS.
1371
1372 2009-02-17  Richard Guenther  <rguenther@suse.de>
1373
1374         PR tree-optimization/39207
1375         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1376         strict-aliasing warnings for pointers pointing to NULL.
1377
1378 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
1379
1380         PR c/35446
1381         * c-parser.c (c_parser_braced_init): Call pop_init_level when
1382         skipping until next close brace.
1383
1384 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
1385
1386         PR target/37049
1387         * config/i386/i386.c (ix86_expand_push): Set memory alignment
1388         to function argument boundary.
1389
1390 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
1391
1392         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1393         in the lea_add. Reload eventually constraints it properly.
1394         * config/picochip/constraints.md : Remove the target constraint
1395         "b", since it is not needed anymore.
1396
1397 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
1398
1399         * gthr-dce.h: Uglify function parameter and local variable names.
1400         * gthr-gnat.h: Likewise.
1401         * gthr-mipssde.h: Likewise.
1402         * gthr-nks.h: Likewise.
1403         * gthr-posix95.h: Likewise.
1404         * gthr-posix.h: Likewise.
1405         * gthr-rtems.h: Likewise.
1406         * gthr-single.h: Likewise.
1407         * gthr-solaris.h: Likewise.
1408         * gthr-tpf.h: Likewise.
1409         * gthr-vxworks.h: Likewise.
1410         * gthr-win32.h: Likewise.
1411
1412 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1413
1414         PR target/39196
1415         * config/i386/i386.md: Restrict the new peephole2 to move
1416         between MMX/SSE registers.
1417
1418 2009-02-15  Richard Guenther  <rguenther@suse.de>
1419
1420         Revert
1421         2009-02-13  Richard Guenther  <rguenther@suse.de>
1422
1423         * configure.ac: Enable LFS.
1424         * configure: Re-generate.
1425         * config.in: Likewise.
1426
1427 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1428
1429         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1430         spu_srqwbyte, spu_srqwbytebc): Define.
1431         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1432         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1433         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1434         "shrqby_<mode>"): New insn-and-split patterns.
1435         * config/spu/spu.c (expand_builtin_args): Determine and return
1436         number of operands using spu_builtin_description data.
1437         (spu_expand_builtin_1): Use it.
1438
1439 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
1440
1441         PR target/38056
1442         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1443         TARGET_CONST_GP.
1444
1445 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1446
1447         PR target/39149
1448         * config/i386/i386.c (override_options): Correct warning
1449         messages for -malign-loops, -malign-jumps and -malign-functions.
1450
1451 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1452
1453         PR target/39152
1454         * config/i386/i386.md: Restrict the new peephole2 to move
1455         between the general purpose registers.
1456
1457 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1458
1459         PR target/39162
1460         * config/i386/i386.c (type_natural_mode): Add a new argument.
1461         Return the original mode and warn ABI change if vector size is 32byte.
1462         (function_arg_advance): Updated.
1463         (function_arg): Likewise.
1464         (ix86_function_value): Likewise.
1465         (ix86_return_in_memory): Likewise.
1466         (ix86_sol10_return_in_memory): Likewise.
1467         (ix86_gimplify_va_arg): Likewise.
1468         (function_arg_32): Don't warn ABX ABI change here.
1469         (function_arg_64): Likewise.
1470
1471 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1472
1473         * loop-iv.c (implies_p): In the final case, test that operands 0
1474         of the two comparisons match.
1475
1476         * config/bfin/bfin.c (find_prev_insn_start): New function.
1477         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1478         (find_next_insn_start): Move.
1479
1480 2009-02-13  Richard Guenther  <rguenther@suse.de>
1481
1482         * configure.ac: Enable LFS.
1483         * configure: Re-generate.
1484         * config.in: Likewise.
1485
1486 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
1487
1488         PR c/35444
1489         * c-parser.c (c_parser_parms_list_declarator): Discard pending
1490         sizes on syntax error after some arguments have been parsed.
1491
1492 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1493
1494         * doc/invoke.texi (-fira): Remove.
1495
1496 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1497
1498         * caller-save.c: Replace regclass.c with reginfo.c in comments.
1499         * recog.c: Likewise.
1500         * rtl.h: Likewise.
1501
1502 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
1503
1504         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1505         (umul_ppmm): Likewise.
1506         (count_leading_zeros): Likewise.
1507         (count_trailing_zeros): Likewise.
1508         (UMUL_TIME): Likewise.
1509
1510 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1511
1512         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1513         soft-fp/t-softfp to tmake_file.
1514
1515         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1516         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1517         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1518         IA64_BUILTIN_INFQ]: New.
1519         (ia64_init_builtins): Initialize __builtin_infq,
1520         __builtin_fabsq and __builtin_copysignq if not HPUX.
1521         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1522         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1523
1524         * config/ia64/lib1funcs.asm (__divtf3): Define only if
1525         SHARED is defined.
1526         (__fixtfti): Likewise.
1527         (__fixunstfti): Likewise.
1528         (__floattitf): Likewise.
1529
1530         * config/ia64/libgcc-glibc.ver: New.
1531         * config/ia64/t-fprules-softfp: Likewise.
1532         * config/ia64/sfp-machine.h: Likewise.
1533
1534         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1535         (LIBGCC2_TF_CEXT): Likewise.
1536         (TF_SIZE): Likewise.
1537         (TARGET_INIT_LIBFUNCS): Likewise.
1538
1539         * config/ia64/t-glibc (SHLINB_MAPFILES):
1540         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1541
1542 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1543
1544         * config/i386/i386.c (construct_container): Rewrite processing
1545         BLKmode with X86_64_SSE_CLASS.
1546
1547 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
1548
1549         PR target/39152
1550         * config/i386/i386.md: Replace simplify_replace_rtx with
1551         replace_rtx in the new peephole2.
1552
1553 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
1554
1555         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1556         loop unrolling do not happen at -O2.
1557
1558 2009-02-12  Michael Matz  <matz@suse.de>
1559
1560         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1561
1562 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1563
1564         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1565         for -g3.
1566
1567 2009-02-12  Ben Elliston  <bje@au.ibm.com>
1568
1569         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1570         patterns when updating the back chain.  Missed in the 2009-02-10
1571         change.
1572
1573 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
1574
1575         * doc/extend.texi (Decimal Floating Types): Update identifier of
1576         draft TR and list of missing support.
1577
1578 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
1579
1580         PR middle-end/39154
1581         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1582         bit to variable length decl's flags, add it also to its
1583         pointer replacement variable.
1584
1585 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
1586             Jakub Jelinek  <jakub@redhat.com>
1587
1588         PR target/39118
1589         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1590         (memory_blockage): New expander.
1591         (*memory_blockage): New insn pattern.
1592         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1593         instead of general blockage at the end of function prologue when
1594         frame pointer is used to access red zone area.  Do not emit blockage
1595         when profiling, it is emitted in generic code.
1596         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1597         function epilogue when frame pointer is used to access red zone area.
1598
1599 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
1600
1601         PR target/38824
1602         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1603         by arithmetic with memory operands.
1604         * config/i386/predicates.md (commutative_operator): New.
1605
1606 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
1607
1608         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1609         bulleted lists.
1610
1611 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1612
1613         * alias.h (record_alias_subset): Declare.
1614         * alias.c (record_alias_subset): Make global.
1615
1616 2009-02-10  Nick Clifton  <nickc@redhat.com>
1617
1618         * tree-parloops.c: Change license to GPLv3.
1619         * ipa-struct-reorg.c: Change license to GPLv3.
1620         * ipa-struct-reorg.h: Change license to GPLv3.
1621
1622 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
1623
1624         PR c/39084
1625         * c-decl.c (start_struct): Return NULL on error.
1626
1627 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
1628
1629         PR middle-end/39124
1630         * cfgloopmanip.c (remove_path): Call remove_bbs after
1631         cancel_loop_tree, not before it.
1632
1633         PR target/39139
1634         * function.h (struct function): Add has_local_explicit_reg_vars bit.
1635         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1636         VAR_DECLs were seen.
1637         * tree-ssa-live.c (remove_unused_locals): Recompute
1638         cfun->has_local_explicit_reg_vars.
1639         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1640         copies or clearings if cfun->has_local_explicit_reg_vars.
1641
1642 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
1643
1644         PR target/39118
1645         * config/i386/i386.c (expand_prologue): Emit blockage at the end
1646         of function prologue when frame pointer is used to access
1647         red zone area.
1648
1649 2009-02-10  Richard Guenther  <rguenther@suse.de>
1650
1651         PR middle-end/39127
1652         * gimplify.c (gimple_regimplify_operands): Always look if
1653         we need to create a temporary.
1654
1655 2009-02-10  Richard Guenther  <rguenther@suse.de>
1656
1657         PR tree-optimization/39132
1658         * tree-loop-distribution.c (todo): New global var.
1659         (generate_memset_zero): Trigger TODO_rebuild_alias.
1660         (tree_loop_distribution): Return todo.
1661
1662 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
1663
1664         PR target/39119
1665         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1666         (x86_64_reg_class_name): Removed.
1667         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
1668         first one isn't X86_64_SSE_CLASS or any other ones aren't
1669         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
1670         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1671         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
1672         and 3 X86_64_SSEUP_CLASS.
1673         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
1674         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1675
1676 2009-02-10  Ben Elliston  <bje@au.ibm.com>
1677
1678         * config/rs6000/rs6000.md (allocate_stack): Always use an update
1679         form instruction to update the stack back chain word, even if the
1680         user has disabled the generation of update instructions.
1681         (movdi_<mode>_update_stack): New.
1682         (movsi_update_stack): Likewise.
1683         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1684         always use an update form instruction to update the stack back
1685         chain word.
1686
1687 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
1688
1689         PR middle-end/38953
1690         * graphite.c (if_region_set_false_region): After moving a region in
1691         the false branch of a condition, remove the empty dummy basic block.
1692         (gloog): Remove wrong fix for PR38953.
1693
1694 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1695
1696         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1697         generation due to implicit sign extension.
1698
1699 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
1700
1701         PR middle-end/38981
1702         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1703         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1704
1705 2009-02-09  Richard Guenther  <rguenther@suse.de>
1706
1707         PR middle-end/35202
1708         * convert.c (convert_to_real): Disable (float)fn((double)x)
1709         to fnf(x) conversion if errno differences may occur and
1710         -fmath-errno is set.
1711
1712 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
1713
1714         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1715         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1716         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1717
1718 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1719
1720         PR c/35434
1721         * c-common.c (handle_alias_attribute): Disallow attribute for
1722         anything not a FUNCTION_DECL or VAR_DECL.
1723
1724 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
1725
1726         PR c/39035
1727         * real.c (do_compare): Special-case compare of zero against
1728         decimal float value.
1729
1730 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1731
1732         PR c/36432
1733         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1734         as indicating flexible array members unless the field itself is
1735         being declarared as the incomplete array.
1736
1737 2009-02-06  Jan Hubicka  <jh@suse.cz>
1738
1739         PR tree-optimization/38844
1740         * ipa-inline.c (try_inline): Stop inlining recursion when edge
1741         is already inlined.
1742
1743 2009-02-06  Richard Guenther  <rguenther@suse.de>
1744
1745         PR middle-end/38977
1746         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1747         fork because we may expand it as __gcov_fork.
1748
1749 2009-02-06  Nick Clifton  <nickc@redhat.com>
1750
1751         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1752
1753 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
1754
1755         PR tree-optimization/35659
1756         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1757         vn_phi_eq): Shortcut if hashcode does not match.
1758         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1759         NULL operands.
1760         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1761         and avoid iterative_hash_expr.
1762         (FOR_EACH_VALUE_ID_IN_SET): New.
1763         (value_id_compare): Remove.
1764         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1765         sort expressions by value id.
1766
1767 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
1768
1769         PR target/38991
1770         * config/sh/predicates.md (general_movsrc_operand): Don't check
1771         the subreg of system registers here.
1772
1773 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
1774
1775         PR c++/39106
1776         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1777         on the copied decl.
1778
1779 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
1780
1781         PR rtl-optimization/39110
1782         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1783         addresses, not aligned ones.
1784
1785 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
1786             Richard Guenther  <rguenther@suse.de>
1787
1788         PR tree-optimization/39100
1789         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1790         comment says and add edges.
1791
1792 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
1793
1794         PR c/35435
1795         * c-common.c (handle_tls_model_attribute): Ignore attribute for
1796         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1797
1798 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
1799
1800         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1801         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1802         register_bb_in_sese, new_sese, free_sese): Moved.
1803         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1804         outermost_loop_in_scop, build_scop_iteration_domain,
1805         expand_scalar_variables_ssa_name, get_vdef_before_scop,
1806         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1807         Use loop_in_sese_p instead of loop_in_scop_p.
1808         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1809         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1810         (scopdet_basic_block_info): Fix bug in scop detection.
1811         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1812         eq_loop_to_cloog_loop): Remove.
1813         (nb_loops_around_loop_in_scop, nb_loop
1814         ref_nb_loops): Moved here...
1815         * graphite.h (ref_nb_loops): ... from here.
1816         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1817         (loop_domain_dim, loop_iteration_vector_dim): Remove.
1818         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1819         * testsuite/gcc.dg/graphite/scop-19.c: New
1820
1821 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
1822             Hans-Peter Nilsson  <hp@axis.com>
1823
1824         PR rtl-optimization/37889
1825         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1826         Move offset handling from PLUS to before the switch.  Use new
1827         arguments when considering SYMBOL_REFs too.
1828         (rtx_addr_can_trap_p): Pass dummy offset and size.
1829         (enum may_trap_p_flags): Remove.
1830         (may_trap_p_1): Pass size from MEM_SIZE.
1831
1832         PR rtl-optimization/38921
1833         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1834         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1835         * rtlanal.c (may_trap_after_code_motion_p): Delete.
1836         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1837
1838 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
1839
1840         AVX Programming Reference (January, 2009)
1841         * config/i386/sse.md (*vpclmulqdq): New.
1842
1843 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
1844
1845         PR tree-optimization/38977
1846         PR gcov-profile/38292
1847         * calls.c (special_function_p): Disregard __builtin_ prefix.
1848
1849 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
1850
1851         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1852         non-indexable addresses even before reload.
1853
1854 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1855
1856         PR c/29129
1857         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1858         as having variable size.  Do not give an error for unnamed
1859         parameters with [*] declarators.  Give a warning for type names
1860         with [*] declarators and mark them as variable size.
1861         * c-parser.c (c_parser_sizeof_expression): Do not give an error
1862         for sizeof applied to [*] type names.
1863
1864 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1865
1866         PR C++/36607
1867         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1868
1869 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1870
1871         * gcc.c (process_command): Update copyright notice dates.
1872         * gcov.c (print_version): Likewise.
1873         * gcov-dump.c (print_version): Likewise.
1874         * mips-tfile.c (main): Likewise.
1875         * mips-tdump.c (main): Likewise.
1876
1877 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1878
1879         PR c/35433
1880         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1881         for composite type involving a zero-length array type.
1882
1883 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1884
1885         PR target/35318
1886         * function.c (match_asm_constraints_1): Skip over
1887         initial optional % in the constraint.
1888
1889         PR inline-asm/39059
1890         * c-parser.c (c_parser_postfix_expression): If fixed point is not
1891         supported, don't accept FIXED_CSTs.
1892         * c-decl.c (finish_declspecs): Error if fixed point is not supported
1893         and _Sat is used without _Fract/_Accum.  Set specs->type to
1894         integer_type_node for cts_fract/cts_accum if fixed point is not
1895         supported.
1896
1897 2009-02-02  Catherine Moore  <clm@codesourcery.com>
1898
1899         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1900
1901 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
1902
1903         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1904         (ABI_HAS_64BIT_SYMBOLS): Use it.
1905         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1906
1907 2009-02-02  Paul Brook  <paul@codesourcery.com>
1908
1909         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1910
1911 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
1912
1913         PR inline-asm/39058
1914         * recog.h (asm_operand_ok): Add constraints argument.
1915         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
1916         recurse on matching constraint.
1917         (check_asm_operands): Pass constraints as 3rd argument to
1918         asm_operand_ok.  Don't look up matching constraint here.
1919         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1920         to asm_operand_ok.
1921
1922 2009-02-02  Ben Elliston  <bje@au.ibm.com>
1923
1924         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1925         TARGET_NARROW_VOLATILE_BITFIELD macro names.
1926
1927 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1928
1929         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1930         information.  Remove some obsolete information.  Reorganize.
1931
1932         * config/pa/fptr.c: Revert license to GPL 2.
1933         * config/pa/milli64.S: Likewise.
1934
1935 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1936
1937         PR target/38904
1938         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
1939         LIBRARY name in, instead of hard-coding it.
1940         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
1941         extra target make frag to tmake_files according to EH model.
1942         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
1943         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
1944         frags that define makefile variable EH_MODEL appropriately.
1945         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
1946         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
1947         to "-sjlj" according to type of EH configured.
1948         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1949         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
1950         to "_sjlj" according to type of EH configured.
1951         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1952         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
1953         (SHLIB_LINK):  Add missing semicolon to if-else construct.
1954         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1955         string value of "pe_dll" command-line option.
1956         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
1957         (SHLIB_SONAME):  Use it when overriding t-cygming default.
1958         (SHLIB_IMPLIB):  Override t-cygming default.
1959         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1960         string value of "pe_dll" command-line option.
1961
1962 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1963
1964         PR target/38952
1965         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1966         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1967
1968 2009-01-31  Richard Guenther  <rguenther@suse.de>
1969
1970         PR tree-optimization/38937
1971         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1972         computing the transitive closure.
1973
1974 2009-01-30  Richard Guenther  <rguenther@suse.de>
1975
1976         PR tree-optimization/39041
1977         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1978         Propagate variable indices only if the types match for this stmt.
1979
1980 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
1981
1982         PR target/39013
1983         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1984         inline but never defined.
1985
1986 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
1987
1988         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1989         (*insv_h_di_reg_extimm): New insn.
1990         (*insv_l<mode>_reg_extimm): New insn.
1991
1992 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1993
1994         * config/picochip/picochip.c (flag_conserve_stack): set
1995         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1996         fconserve-stack. Reduce call-overhead used by inliner.
1997
1998 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1999
2000         PR/38157
2001         * common.opt (flag_conserve_stack): Initialised to zero.
2002
2003 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
2004
2005         PR/39002
2006         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
2007         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
2008         method.
2009
2010 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
2011
2012         * ira-color.c (allocno_reload_assign): Update comments.
2013         * regmove.c (regmove_optimize): Likewise.
2014
2015         * ra.h: Removed.
2016
2017 2009-01-29  Robert Millan  <rmh@aybabtu.com>
2018
2019         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
2020         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
2021         `MD_UNWIND_SUPPORT'.
2022         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
2023
2024 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
2025
2026         PR tree-optimization/39007
2027         * tree-loop-distribution.c (generate_builtin): Use
2028         recompute_dominator to compute the immediate dominator of the
2029         basic block just after the loop.
2030
2031 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
2032
2033         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
2034         (ASM_OUTPUT_DWARF_PCREL): Define.
2035
2036 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
2037
2038         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
2039         * doc/passes.texi: Remove entries about regclass, local-alloc, and
2040         global.  Modify entries about regmove and IRA.
2041
2042         * ra-conflict.c: Remove the file.
2043
2044         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
2045
2046         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
2047         (pass_regclass_init): Rename to pass_reginfo_init.
2048
2049         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
2050
2051         * toplev.h (flag_ira): Remove.
2052
2053         * caller-save.c (setup_save_areas): Remove flag_ira.
2054
2055         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
2056
2057         * global.c: Remove the file.
2058
2059         * opts.c: (decode_options): Remove flag_ira.
2060
2061         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
2062
2063         * regmove.c: Modify file description.
2064         (find_use_as_address, try_auto_increment): Define them only if
2065         AUTO_INC_DEC is defined.
2066         (replacement_quality, replace_in_call_usage, fixup_match_1,
2067         stable_and_no_regs_but_for_p): Remove.
2068         (reg_set_in_bb): Make it static.
2069         (regmove_optimize): Remove flag_ira and code which worked for
2070         !flag_ira.
2071
2072         * local-alloc.c: Remove the file.
2073
2074         * common.opt (fira): Remove.
2075
2076         * ira.c: Include except.h.
2077         (eliminable_regset): Move from global.c.
2078         (mark_elimination): Ditto.  Remove flag_ira.
2079         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
2080         equiv_mem_modified, validate_equiv_mem_from_store,
2081         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
2082         contains_replace_regs, memref_referenced_p, memref_used_between_p,
2083         no_equiv, recorded_label_ref): Move from local-alloc.c.
2084         (update_equiv_regs): Ditto.  Make it static.
2085         (print_insn_chain, print_insn_chains): Move it from global.c.
2086         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
2087         (build_insn_chain): Ditto.  Make it static.
2088         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
2089         Rename to init_live_subregs.
2090         (gate_ira): Remove flag_ira.
2091
2092         * regclass.c: Rename reginfo.c.  Change file description.
2093         (FORBIDDEN_INC_DEC_CLASSES): Remove.
2094         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
2095         (init_reg_sets_1): Remove code for evaluation of
2096         reg_class_superclasses and losing_caller_save_reg_set.
2097         (init_regs): Remove init_reg_autoinc.
2098         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
2099         ok_for_base_p_nonstrict): Remove.
2100         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
2101         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
2102         corresponding entries.
2103         (dump_regclass, record_operand_costs, scan_one_insn,
2104         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
2105         record_address_regs, auto_inc_dec_reg_p): Remove.
2106         (gt-regclass.h): Rename to gt-reginfo.h.
2107
2108         * rtl.h (dump_global_regs, retry_global_alloc,
2109         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
2110
2111         * Makefile.in (RA_H): Remove.
2112         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
2113         Rename regclass.o to reginfo.o.
2114         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
2115         gt-reginfo.h.
2116         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
2117         (GTFILES): Rename regclass.c to reginfo.c.
2118
2119         * passes.c (init_optimization_passes): Remove pass_local_alloc and
2120         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
2121
2122         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
2123         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
2124         Remove flag_ira.
2125         (finish_spills): Ditto.  Remove code for !flag_ira.
2126         
2127 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
2128
2129         PR middle-end/35854
2130         * doc/invoke.texi (rtl debug options): Complete rewrite.
2131         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
2132         to auto_inc_dec".
2133         * mode-switching.c (pass_mode_switching): Rename pass from
2134         "mode-sw" to "mode_sw".
2135         * except.c (pass_convert_to_eh_ranges): Rename pass from
2136         "eh-ranges" to "eh_ranges".
2137         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
2138         to "subreg1".
2139                 
2140         
2141 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
2142             Alexander Monakov  <amonakov@ispras.ru>
2143
2144         PR middle-end/38857
2145         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
2146         register.
2147         (move_exprs_to_boundary): Change return type and pass through
2148         should_move from move_op.  Relax assert.  Update usage ...
2149         (schedule_expr_on_boundary): ... here.  Use should_move instead of
2150         cant_move.
2151         (move_op_orig_expr_found): Indicate that insn was disconnected from
2152         stream.
2153         (code_motion_process_successors): Do not call after_merge_succs
2154         callback if original expression was not found when traversing any of
2155         the branches.
2156         (code_motion_path_driver): Change return type.  Update prototype.
2157         (move_op): Update comment.  Add a new parameter (should_move).  Update
2158         prototype.  Set *should_move based on indication provided by
2159         move_op_orig_expr_found.
2160
2161 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
2162
2163         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
2164         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
2165         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
2166         * config/rs6000/rs6000.c (rs6000_override_options): Default
2167         avoid-indexed-addresses on for Power6, off for everything else.
2168         (avoiding_indexed_address_p): New function.
2169         (rs6000_legitimize_address): Use it.
2170         (rs6000_legitimate_address): Likewise.
2171         * config/rs6000/rs6000.md (movXX_updateX): Likewise
2172
2173 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
2174
2175         PR tree-optimization/38997
2176         * tree-loop-distribution.c (generate_memset_zero): Use
2177         POINTER_PLUS_EXPR for a pointer addition.
2178
2179 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2180
2181         * config/s390/s390.md (bswap<mode>2): New pattern added.
2182
2183 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2184
2185         * config/s390/s390.md (*tls_load_31): Added type attribute.
2186
2187 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2188
2189         * config/s390/s390.md: Fix a few comments.
2190
2191 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2192
2193         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2194         (*tm<mode>_full): Fixed z10prop attribute.
2195         (*tst<mode>_extimm): Fixed z10prop attribute.
2196         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2197         (*tstqiCCT_cconly): Fixed z10prop attribute.
2198         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2199         (*movsi_larl): Fixed z10prop attribute.
2200         (*movsi_zarch): Fixed z10prop attribute.
2201         (*movsi_eas): Fixed z10prop attribute.
2202         (*movhi): Fixed z10prop attribute.
2203         (*movqi): Fixed z10prop attribute.
2204         (*movstrictqi): Fixed z10prop attribute.
2205         (*mov<mode>): Fixed z10prop attribute.
2206         (*movcc): Fixed z10prop attribute.
2207         (*sethighpartdi_64): Fixed z10prop attribute.
2208         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2209         (*negdi2_sign_cc): Fixed z10prop attribute.
2210         (*negdi2_sign): Fixed z10prop attribute.
2211         (*absdi2_sign_cc): Fixed z10prop attribute.
2212         (*absdi2_sign): Fixed z10prop attribute.
2213         (*negabsdi2_sign_cc): Fixed z10prop attribute.
2214         (*negabsdi2_sign): Fixed z10prop attribute.
2215         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2216         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2217         (doloop_si64): Fixed z10prop attribute.
2218         (doloop_si31): Fixed z10prop attribute.
2219         (doloop_long): Fixed z10prop attribute.
2220         (indirect_jump): Fixed z10prop attribute.
2221         (nop): Fixed z10prop attribute.
2222         (main_base_64): Fixed z10prop attribute.
2223         (reload_base_64): Fixed z10prop attribute.
2224
2225 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
2226
2227         PR rtl-optimization/38740
2228         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2229         if !optimize.
2230         * config/mips/mips.c (mips_reorg): Likewise.
2231
2232 2009-01-28  Richard Guenther  <rguenther@suse.de>
2233
2234         PR tree-optimization/38926
2235         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2236         with the correct value id to a value.
2237         (do_regular_insertion): Use the value number of edoubleprime
2238         for the value number of the expr.
2239
2240         Revert
2241         2008-08-21  Richard Guenther  <rguenther@suse.de>
2242
2243         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2244         a PHI ask VN if it is already available.
2245         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2246         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2247
2248 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
2249
2250         PR middle-end/38934
2251         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2252         set to varying whenever max has TREE_OVERFLOW set, similarly
2253         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2254
2255 2009-01-28  Richard Guenther  <rguenther@suse.de>
2256
2257         PR middle-end/38908
2258         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2259         uninitialized aggregate uses in call arguments.
2260
2261 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
2262
2263         PR tree-optimization/38984
2264         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2265         the nothing_id variable if -fno-delete-null-pointer-checks.
2266
2267 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
2268
2269         PR target/38988
2270         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2271         (set_got_offset_rex64): Ditto.
2272
2273 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2274
2275         PR target/38941
2276         * doc/extend.texi: Improve local variable with asm reg.
2277
2278 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
2279
2280         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2281         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2282         was not supplied then set warn_packed_bitfield_compat to the
2283         default value of 1.
2284         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2285         against 1.
2286
2287 2009-01-27  Richard Guenther  <rguenther@suse.de>
2288
2289         PR tree-optimization/38503
2290         * cfgexpand.c (expand_gimple_basic_block): Ignore
2291         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2292         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2293         variables that cannot have TBAA applied.
2294         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2295         statements.
2296
2297 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
2298
2299         PR middle-end/38969
2300         * calls.c (initialize_argument_information): Do not wrap complex
2301         arguments in SAVE_EXPR.
2302
2303 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
2304
2305         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2306         (INSTALL_LIBGCC): Revert typo commit.
2307
2308 2009-01-26  Richard Guenther  <rguenther@suse.de>
2309
2310         PR tree-optimization/38745
2311         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2312         from special handling.
2313
2314 2009-01-26  Richard Guenther  <rguenther@suse.de>
2315
2316         PR tree-optimization/38745
2317         * tree-ssa.c (execute_update_addresses_taken): Do not include
2318         variables that cannot possibly be a register in not_reg_needs.
2319         Do not clear TREE_ADDRESSABLE on vars that may not become
2320         registers.
2321         * tree-ssa.c (update_alias_info_1): Include those in the set
2322         of addressable vars.
2323
2324 2009-01-26  Richard Guenther  <rguenther@suse.de>
2325
2326         PR middle-end/38851
2327         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2328         * tree-ssa-dse.c: Include langhooks.h
2329         (execute_simple_dse): Remove stores with zero size.
2330
2331 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
2332
2333         PR c/38957
2334         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2335         as PLUS_EXPR.
2336
2337 2009-01-24  Julian Brown  <julian@codesourcery.com>
2338
2339         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2340         config/arm/linux-atomic.c.
2341         * config/arm/linux-atomic.c: New.
2342
2343 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
2344
2345         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2346         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2347         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2348
2349 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2350
2351         PR c/38938
2352         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2353         properly.
2354
2355 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
2356
2357         PR tree-optimization/38953
2358         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2359         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2360         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2361         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2362         changed the CFG.
2363
2364 2009-01-24  Paul Brook  <paul@codesourcery.com>
2365
2366         * config/arm/neon.md (neon_type): Move to arm.md.
2367         (neon_mov<VSTRUCT>): Add neon_type attribute.
2368         * config/arm/arm.md (neon_type): Move to here.
2369         (conds): Add "unconditioal" and use as default for NEON insns.
2370
2371 2009-01-24  Ben Elliston  <bje@au.ibm.com>
2372
2373         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2374         void *' warning from -Wc++-compat.
2375         * Makefile.in (dominance.o-warn): Remove.
2376
2377 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
2378
2379         PR tree-optimization/38932
2380         * fold-const.c (fold_unary_ignore_overflow): New.
2381         * tree.h (fold_unary_ignore_overflow): Declare.
2382         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2383         * tree-ssa-sccvn.c (visit_reference_op_load,
2384         simplify_unary_expression): Likewise.
2385
2386 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
2387
2388         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2389         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
2390         regardless of their type.
2391         * c-common.c (handle_packed_attribute): Don't ignore packed on
2392         bitfields.
2393         * c.opt (Wpacked-bitfield-compat): New warning option.
2394         * stor-layout.c (place_field): Warn if offset of a field changed.
2395         * doc/extend.texi (packed): Mention the ABI change.
2396         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2397         (Warning Options): Add it to the list.
2398
2399 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2400
2401         * c-opts.c (c_common_post_options): Fix a typo in comments.
2402
2403 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
2404
2405         PR middle-end/38615
2406         * gimplify.c (gimplify_init_constructor): Fix promotion of const
2407         variables to static.
2408         * doc/invoke.texi (-fmerge-all-constants): Update description.
2409
2410 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
2411
2412         PR target/38931
2413         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2414         (*movdi_1_rex64): Use type "mmx" for alternative 5.
2415
2416 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
2417
2418         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2419         a word boundary.
2420         (LOCAL_ALIGNMENT): Similarly.
2421
2422 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2423             Joseph Myers  <joseph@codesourcery.com>
2424
2425         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2426         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2427         * config/arm/arm-tune.md: Regenerate.
2428         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2429         -march=iwmmxt2.
2430
2431 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2432
2433         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2434         version number to five.
2435
2436 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
2437
2438         PR c++/38930
2439         * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2440         * c-common.c (set_underlying_type): Likewise.
2441         (is_typedef_decl ): Likewise
2442         * tree.h: Likewise
2443         (set_underlying_type): Likewise.
2444         (is_typedef_type): Likewise.
2445
2446 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
2447
2448         PR middle-end/38587
2449         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2450         crossing setjmps.
2451
2452 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
2453
2454         PR bootstrap/37660
2455         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
2456         (LIBGCC_SPEC):  Don't define.
2457         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
2458
2459 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
2460
2461         PR rtl-optimization/38879
2462         * alias.c (base_alias_check): Unaligned access via AND address can
2463         alias all surrounding object types except those with sizes equal
2464         or wider than the size of unaligned access.
2465
2466 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
2467
2468         PR c++/26693
2469         * c-decl.c: (clone_underlying_type): Move this ...
2470         * c-common.c (set_underlying_type): ... here.
2471         Also, make sure the function properly sets TYPE_STUB_DECL() on
2472         the newly created typedef variant type.
2473         (is_typedef_decl ): New entry point.
2474         * tree.h: Added a new member member_types_needing_access_check to
2475         struct tree_decl_non_common.
2476         (set_underlying_type): New entry point.
2477         (is_typedef_type): Likewise.
2478
2479 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
2480
2481         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2482         Check whether two instructions have memory references that
2483         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
2484         are helper functions for traversing.
2485         * alias.h (insn_alias_sets_confilict_p): New prototypes.
2486         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2487         not to draw dependency edge for instructions with non-conflicting
2488         alias sets.
2489
2490 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
2491
2492         PR other/38758
2493         * longlong.h: Update copyright years.  Use soft-fp license notice.
2494         Sync __clz_tab declaration with glibc.
2495
2496 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
2497
2498         PR target/30687
2499         * doc/extend.texi (syscall_linkage): New.
2500         (version_id): Modify.
2501
2502 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2503             Richard Guenther  <rguenther@suse.de>
2504
2505         PR tree-optimization/38747
2506         PR tree-optimization/38748
2507         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2508         conversion if the base address is an indirect reference and the
2509         aliasing sets could cause issues.
2510
2511 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2512
2513         * common.opt (fgraphite, fgraphite-identity): Add comment for 
2514         explaining why these options are not documented.
2515
2516 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2517
2518         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2519         gimple_call_lhs is NULL.
2520
2521 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
2522
2523         PR target/38868
2524         * emit-rtl.c (adjust_address_1): Make sure memref is never
2525         overwritten.
2526
2527 2009-01-20  Ben Elliston  <bje@au.ibm.com>
2528
2529         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2530         const qualifier from arg parameter. Remove unnecessary cast to char *.
2531         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2532         const qualifier from arg 2.
2533
2534 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
2535
2536         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2537
2538 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2539
2540         PR c/38869
2541         * rtl.h (reinit_regs): New prototype.
2542         * regclass.c: Include ira.h.
2543         (reinit_regs): New.
2544         * Makefile.in (regclass.o): Add ira.h.
2545         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2546
2547 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
2548
2549         PR target/38736
2550         * c-common.c (handle_aligned_attribute): Use
2551         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2552         default alignment value.
2553
2554         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2555
2556         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2557         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2558
2559         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
2560         __BIGGEST_ALIGNMENT__.
2561
2562         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2563
2564 2009-01-18  Richard Guenther  <rguenther@suse.de>
2565
2566         PR tree-optimization/38819
2567         * tree-flow.h (operation_could_trap_helper_p): Declare.
2568         * tree-eh.c (operation_could_trap_helper_p): Export.
2569         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2570         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2571         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2572         are about to insert a possibly trapping instruction and fail
2573         in this case.
2574
2575 2009-01-18  Andreas Schwab  <schwab@suse.de>
2576
2577         * doc/install.texi (Configuration): Remove obsolete paragraph
2578         about use of --with-gnu-ld with --with-gnu-as.
2579
2580 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
2581
2582         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2583         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2584         Follow spelling conventions.
2585
2586 2009-01-18  Ben Elliston  <bje@au.ibm.com>
2587
2588         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2589         C++ warning about implicit conversion from void * to struct
2590         bitmap_head_def *.
2591         (bitmap_obstack_free): Likewise for bitmap_element *.
2592         * Makefile.in (bitmap.o-warn): Remove.
2593
2594 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
2595
2596         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
2597
2598 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
2599             Tobias Grosser  <tobi.grosser@amd.com>
2600
2601         * graphite.c (graphite_trans_scop_block): Do not block single
2602         nested loops.
2603
2604 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
2605
2606         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2607         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2608         test with assertion.
2609
2610 2009-01-16  Richard Guenther  <rguenther@suse.de>
2611
2612         PR tree-optimization/38835
2613         PR middle-end/36227
2614         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2615         and INT + PTR -> (INT)(PTR p+ INT) folding.
2616         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2617
2618 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
2619
2620         PR target/38554
2621         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2622         the subreg from a lowpart subreg if it is also casting the value.
2623
2624 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2625             Tobias Grosser  <tobi.grosser@amd.com>
2626
2627         * graphite.c (compare_prefix_loops): New.
2628         (build_scop_canonical_schedules): Rewritten.
2629         (graphite_transform_loops): Move build_scop_canonical_schedules
2630         after build_scop_iteration_domain.
2631
2632 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2633             Tobias Grosser  <tobi.grosser@amd.com>
2634
2635         * graphite.c (add_conditions_to_domain): Add the loops to 
2636         the dimension of the iteration domain.  Do copy the domain
2637         only when it exists.
2638         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2639         (add_conditions_to_constraints): New.
2640         (can_generate_code_stmt, can_generate_code): Removed.
2641         (gloog): Do not call can_generate_code.
2642         (graphite_transform_loops): Call add_conditions_to_constraints
2643         after building the iteration domain.
2644
2645 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
2646
2647         PR tree-optimization/38789
2648         * tree-ssa-threadedge.c
2649         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2650         __builtin_constant_p.
2651
2652 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
2653
2654         * dce.c (delete_unmarked_insns): Reversed the order that insns are
2655         examined before deleting them.
2656         
2657 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
2658
2659         * function.c (aggregate_value_p): Correctly extract the function
2660         type from CALL_EXPR_FN lookup.
2661
2662 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
2663
2664         * config/picochip/picochip.c (picochip_override_options): Revert
2665         CFI asm flag disable commited previously.
2666
2667 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2668             Tobias Grosser  <tobi.grosser@amd.com>
2669             Jan Sjodin  <jan.sjodin@amd.com>
2670
2671         * graphite.c (scan_tree_for_params): On substractions negate
2672         all the coefficients of the term.
2673         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2674         of more than two operands.
2675         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2676         (get_vdef_before_scop): Handle also the case of default definitions.
2677
2678 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2679
2680         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2681         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2682         Also use them when walking CALL_INSN_FUNCTION_USAGE.
2683
2684 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
2685             Joey Ye  <joey.ye@intel.com>
2686
2687         PR middle-end/37843
2688         * cfgexpand.c (expand_stack_alignment): Don't update stack
2689         boundary nor check incoming stack boundary here.
2690         (gimple_expand_cfg): Update stack boundary and check incoming
2691         stack boundary here.
2692
2693 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
2694
2695         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2696         
2697 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
2698
2699         PR rtl-optimization/38245
2700         * calls.c (expand_call): Add stack arguments to
2701         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2702         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2703         in regs and partially in memory or BLKmode arguments.
2704         (emit_library_call_value_1): Add stack arguments to
2705         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2706         ACCUMULATE_OUTGOING_ARGS).
2707         * dce.c: Include tm_p.h.
2708         (find_call_stack_args): New function.
2709         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
2710         argument.
2711         (mark_insn): Call find_call_stack_args for CALL_Ps.
2712         (prescan_insns_for_dce): Walk insns backwards in bb rather than
2713         forwards.  Allocate and free arg_stores bitmap if needed, pass it
2714         down to deletable_insn_p, don't mark stores set in arg_stores
2715         bitmap, clear the bitmap at the beginning of each bb.
2716         * Makefile.in (dce.o): Depend on $(TM_P_H).
2717
2718 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
2719
2720         PR target/22599
2721         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2722         to make sure the insn is a conditional test (bug 22599).  Reformat a
2723         few long lines.
2724
2725 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2726
2727         PR middle-end/38431
2728         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2729         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2730         (gloog): Do not call cleanup_tree_cfg.
2731         (graphite_transform_loops): Call cleanup_tree_cfg after all 
2732         scops have been code generated.
2733
2734 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
2735         * doc/gty.texi (Invoking the garbage collector): Added new node
2736         and section documenting ggc_collect.
2737
2738 2009-01-14  Richard Guenther  <rguenther@suse.de>
2739
2740         PR tree-optimization/38826
2741         PR middle-end/38477
2742         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2743         initialization notes only if we actually emitted a warning.
2744         (intra_create_variable_infos): Add constraints for a result decl
2745         that is passed by hidden reference.
2746         (build_pred_graph): Mark all related variables non-direct on
2747         address-taking.
2748
2749 2009-01-14  Nick Clifton  <nickc@redhat.com>
2750
2751         * ira-conflicts.c: Include addresses.h for the definition of
2752         base_reg_class.
2753         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2754         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2755
2756 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
2757
2758         PR target/38811
2759         * Makefile.in (ira-lives.o): Add except.h.
2760
2761         * ira-lives.c: Include except.h.
2762         (process_bb_node_lives): Process can_throw_internal.
2763
2764 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
2765
2766         PR rtl-optimization/38774
2767         * combine.c (simplify_set): When undoing cc_use change, don't do
2768         PUT_CODE on the newly created comparison, but instead put back the
2769         old comparison.
2770
2771 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
2772
2773         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2774         values.  Remove duplicate arm8 entry.
2775
2776 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2777
2778         PR tree-optimization/38786
2779         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2780         the SSA_NAME case of expand_scalar_variables_expr.
2781         Set the type of an expression to the type of its assign statement.
2782         (expand_scalar_variables_expr): Also gather the scalar computation
2783         used to index the memory access.  Do not pass loop_p.
2784         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2785         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2786         the gimple_stmt_iterator where it inserts new code.
2787         Do not pass loop_p.
2788         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2789         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2790
2791 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2792
2793         * graphite.h (debug_value): Removed.
2794         * graphite.c (debug_value): Removed.
2795
2796 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2797
2798         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2799         ldrd/strd with two 32-bit instructions.
2800
2801 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2802
2803         * config/arm/arm.c (struct processors): Pass for speed down into
2804         cost helper functions.
2805         (const_ok_for_op): Handle COMPARE and inequality nodes.
2806         (arm_rtx_costs_1): Rewrite.
2807         (arm_size_rtx_costs): Update prototype.
2808         (arm_rtx_costs): Pass speed down to helper functions.
2809         (arm_slowmul_rtx_costs): Rework cost calculations.
2810         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2811         (arm_9e_rtx_costs): Likewise.
2812
2813 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
2814
2815         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2816         relocations of local symbols wider than UNITS_PER_WORD are not valid.
2817         (alpha_legitimize_address): Do not split local symbols wider than
2818         UNITS_PER_WORD into HIGH/LO_SUM parts.
2819
2820 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
2821
2822         PR bootstrap/38580
2823         * gcc.c (process_command): Replace call to execvp with calls
2824         to pex_one and exit.
2825
2826 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
2827
2828         PR target/29141
2829         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2830         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2831         variant for devices with 3-byte PC.
2832         (__tablejump_elpm__) : New.
2833
2834 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2835
2836         PR c/32041
2837         * c-parser.c (c_parser_postfix_expression): Allow `->' in
2838         offsetof member-designator, handle it as `[0].'.
2839
2840 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2841
2842         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2843         function when not using named sections on targets with named sections
2844         if branch distance is less than 262132.
2845
2846 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
2847
2848         * combine.c (combine_instructions):  Recompute
2849         optimize_this_for_speed_p  for each BB in the main combine loop.
2850
2851 2009-01-12  Tomas Bily  <tbily@suse.cz>
2852
2853         PR middlend/38385
2854         * tree-loop-distribution.c (prop_phis): New function.
2855         (generate_builtin): Call prop_phis.
2856         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2857
2858 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2859
2860         PR tree-optimization/38807
2861         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2862         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2863
2864 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
2865
2866         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2867         subreg of op0 to the original op0.
2868
2869 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
2870
2871         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2872         
2873 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
2874
2875         PR debug/7055
2876         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2877         starting with digits.
2878
2879 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
2880
2881         PR target/38695
2882         * config/arm/arm.c (arm_is_long_call_p): Don't call
2883         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2884
2885 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
2886
2887         * regrename.c (regrename_optimize): Fix dumping.
2888         (find_oldest_value_reg): Preserve REG_POINTER.
2889         (copy_hardreg_forward_1): Likewise.
2890
2891 2009-01-09  Diego Novillo  <dnovillo@google.com>
2892
2893         * gimple.h (struct gimple_statement_base) <uid>: Document
2894         the restrictions on its use.
2895         (gimple_uid): Tidy.
2896         (gimple_set_uid): Tidy.
2897
2898 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2899
2900         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2901         zero guard even if align_bytes != 0 and count is smaller than
2902         size_needed.
2903
2904 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
2905
2906         PR rtl-optimization/38495
2907         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2908         (add_range_and_copies_from_move_list): Print all added ranges.
2909         Add ranges to memory optimized destination.
2910
2911 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2912
2913         PR target/38686
2914         PR target/38708
2915         * config/i386/i386.c (override_options): Reject
2916         -mstringop-strategy=rep_8byte with -m32.
2917         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2918         to 1.  Do count comparison against epilogue_size_needed at compile
2919         time even when count_exp was constant forced into register.  For
2920         size_needed don't jump to epilogue, instead just avoid aligning
2921         and invoke the body algorithm.  If need_zero_guard, add zero guard
2922         even if count is non-zero, but smaller than size_needed + number of
2923         bytes that could be stored for alignment.
2924         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2925         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
2926         but smaller than size_needed + number of bytes that could be stored
2927         for alignment.  Compare size_needed with epilogue_size_needed instead
2928         of desired_align - align, don't adjust size_needed, pass
2929         epilogue_size_needed to the epilogue expanders.
2930
2931         PR c/35742
2932         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2933
2934 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2935
2936         * pa.c (last_address): Change to unsigned.
2937         (update_total_code_bytes): Change argument to unsigned.  Don't
2938         check if insn addresses are set.
2939         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2940         addresses are not set.
2941         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2942
2943 2009-01-09  Nick Clifton  <nickc@redhat.com>
2944
2945         * config/sh/symbian.c: Replace uses of DECL_INLINE with
2946         DECL_DECLARED_INLINE_P.
2947
2948 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2949
2950         PR middle-end/38347
2951         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2952         GET_MODE (op0) in operand_subword_force calls.
2953
2954         PR middle-end/38771
2955         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2956         fold_convert arg0 operands to TREE_TYPE (op0) first.
2957
2958 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
2959
2960         * params.def (ira-max-conflict-table-size): Decrease default value
2961         to 1000.
2962
2963 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
2964
2965         PR tree-optimization/37031
2966         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2967         on parameter_set.
2968         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2969         allocate it using gc instead of heap, use VEC_quick_push instead of
2970         VEC_safe_push.
2971         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2972         instead of heap, use VEC_quick_push instead of VEC_safe_push.
2973         * tree-data-ref.h (struct access_matrix): Change matrix to gc
2974         allocated vector from heap allocated.
2975         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2976         * tree-loop-linear.c (linear_transform_loops): Allocate nest
2977         vector only after perfect_loop_nest_depth call.
2978
2979 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2980             Jan Sjodin  <jan.sjodin@amd.com>
2981
2982         PR tree-optimization/38559
2983         * graphite.c (debug_value, copy_constraint,
2984         swap_constraint_variables, scale_constraint_variable, ): New.
2985         (get_lower_bound, get_upper_bound): Removed.
2986         (graphite_trans_bb_strip_mine): Clean up this code that works
2987         only for constant number of iterations.  Fully copy upper and
2988         lower bound constraints, not only the constant part of them.
2989         * graphite.h (debug_value): Declared.
2990
2991 2009-01-08  Ira Rosen  <irar@il.ibm.com>
2992
2993         PR tree-optimization/37194
2994         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2995         Don't add the cost of cost model guard in prologue to scalar 
2996         outside cost in case of known number of iterations.
2997
2998 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
2999             Alan Modra  <amodra@bigpond.net.au>
3000
3001         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
3002         non-word-aligned REG+CONST addressing.
3003
3004 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
3005
3006         PR target/38706
3007         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
3008         free_after_compilation when outputting a thunk.
3009         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
3010         Do not call free_after_compilation here.
3011
3012 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
3013
3014         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
3015         (ix86_valid_target_attribute_inner_p): Ditto.
3016
3017 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
3018
3019         PR tree-optimization/38492
3020         PR tree-optimization/38498
3021         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
3022         * tree-chrec.h (scev_is_linear_expression): Declared.
3023         * graphite.c (graphite_cannot_represent_loop_niter): New.
3024         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
3025         (graphite_loop_normal_form): Use gcc_assert.
3026         (scan_tree_for_params): Use CASE_CONVERT.
3027         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
3028         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
3029         Use gcc_assert.  Discard scops that contain unhandled cases.
3030         (build_scop_conditions): Return a boolean status for unhandled cases.
3031         (strip_mine_profitable_p): Print the loop number, not its depth.
3032         (is_interchange_valid): Pass the depth of the loop nest, don't
3033         recompute it wrongly.
3034         (graphite_trans_bb_block): Same.
3035         (graphite_trans_bb_block): Print tentative of loop blocking.
3036         (graphite_trans_scop_block): Do not print that the loop has been
3037         blocked.
3038         (graphite_transform_loops): Do not handle scops that contain condition
3039         scalar phi nodes.
3040
3041 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
3042
3043         AVX Programming Reference (December, 2008)
3044         * config/i386/avxintrin.h (_mm256_stream_si256): New.
3045         (_mm256_stream_pd): Likewise.
3046         (_mm256_stream_ps): Likewise.
3047
3048         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
3049         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
3050         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
3051         (bdesc_special_args): Add __builtin_ia32_movntdq256,
3052         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
3053         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
3054         (ix86_expand_special_args_builtin): Likewise.
3055
3056         * config/i386/sse.md (AVXMODEDI): New.
3057         (avx_movnt<mode>): Likewise.
3058         (avx_movnt<mode>): Likewise.
3059         (<sse>_movnt<mode>): Remove AVX support.
3060         (sse2_movntv2di): Likewise.
3061
3062 2009-01-07  Richard Guenther  <rguenther@suse.de>
3063
3064         PR middle-end/38751
3065         * fold-const.c (extract_muldiv): Remove obsolete comment.
3066         (fold_plusminus_mult_expr): Undo MINUS_EXPR
3067         to PLUS_EXPR canonicalization for the canonicalization.
3068
3069 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
3070
3071         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
3072         hosted cross-compilers generating less efficient code.
3073
3074 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
3075
3076         * function.h (rtl_data): Add a dbr_scheduled_p field.
3077         * reorg.c (dbr_schedule): Set it.
3078         (gate_handle_delay_slots): Check it.
3079         * config/mips/mips.c (mips_base_delayed_branch): Delete.
3080         (mips_reorg): Check flag_delayed_branch instead of
3081         mips_base_delayed_branch.
3082         (mips_override_options): Don't set mips_base_delayed_branch
3083         or flag_delayed_branch.
3084
3085 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
3086
3087         PR rtl-optimization/38426.
3088         * ira.c (ira): Set current_function_is_leaf earlier.
3089
3090 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
3091
3092         PR rtl-optimization/38722
3093         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
3094         too early, only set a flag and modify after last possible
3095         undo_all point.
3096
3097 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
3098
3099         PR c/34252
3100         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
3101         * real.c (decimal_single_format): Correct values of emin and emax.
3102         (decimal_double_format): Ditto.
3103         (decimal_quad_format): Ditto.
3104         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
3105         computation of DECnn_MIN and DECnn_MAX for corrected values of
3106         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
3107         __DECnn_MIN__, and adjust its computation for the corrected value
3108         of emin.
3109
3110 2009-01-06  Jan Hubicka  <jh@suse.cz>
3111
3112         PR target/38744
3113         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
3114
3115 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
3116
3117         * doc/contrib.texi (Contributors): Slightly adjust the end note.
3118         Add Robert Clark to the list of testers.
3119
3120 2009-01-06  Jan Hubicka  <jh@suse.cz>
3121             Kai Tietz  <kai.tietz@onevision.com>
3122
3123         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
3124         * config/i386/i386.c (ix86_expand_call): Add clobbers.
3125
3126 2009-01-06  Jan Hubicka  <jh@suse.cz>
3127             Kai Tietz  <kai.tietz@onevision.com>
3128
3129         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
3130         for w64 ABI.
3131         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
3132         (ix86_nsaved_regs): Count only general purpose regs.
3133         (ix86_nsaved_sseregs): New.
3134         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
3135         to 16 for w64; compute padding and size of sse reg save area.
3136         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
3137         general purpose regs.
3138         (ix86_emit_save_sse_regs_using_mov): New.
3139         (ix86_expand_prologue): Save SSE regs if needed.
3140         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
3141         (ix86_emit_restore_sse_regs_using_mov): New.
3142         (ix86_expand_epilogue): Save SSE regs if needed.
3143
3144 2009-01-06  Jan Hubicka  <jh@suse.cz>
3145             Kai Tietz  <kai.tietz@onevision.com>
3146
3147         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
3148         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
3149         functions when accumulate outgoing args is off.
3150
3151 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
3152
3153         PR bootstrap/38742
3154         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
3155         before using pseudos_have_intersected_live_ranges_p.
3156
3157         * ira-int.h (ira_assert): Always define.
3158
3159 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
3160
3161         AVX Programming Reference (December, 2008)
3162         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
3163         (_mm256_permute2_pd): Likewise.
3164         (_mm_permute2_ps): Likewise.
3165         (_mm256_permute2_ps): Likewise.
3166         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
3167         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
3168
3169         * config/i386/i386.c (ix86_builtins): Remove
3170         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
3171         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
3172         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
3173         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
3174         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
3175         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
3176         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
3177         __builtin_ia32_vpermil2ps256.
3178         (ix86_init_mmx_sse_builtins): Updated.
3179         (ix86_expand_args_builtin): Likewise.
3180
3181 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3182
3183         * pa.c (output_call): Relocate non-jump insns in the delay slot of
3184         long absolute calls when generating PA 2.0 code.
3185
3186 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
3187
3188         PR rtl-optimization/38583
3189         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3190
3191         * params.def (ira-max-conflict-table-size): New.
3192
3193         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3194         
3195         * ira.h (ira_conflicts_p): New external definition.
3196         
3197         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3198         table.  Report this.  Return result of building.
3199         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
3200         building conflict table.
3201
3202         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3203         (ira_color): Use ira_conflicts_p.
3204         
3205         * global.c: Include ira.h.
3206         (pseudo_for_reload_consideration_p, build_insn_chain): Use
3207         ira_conflicts_p.
3208
3209         * Makefile.in (global.o): Add ira.h.
3210         
3211         * ira-build.c (mark_all_loops_for_removal,
3212         propagate_some_info_from_allocno): New.
3213         (remove_unnecessary_allocnos): Call
3214         propagate_some_info_from_allocno.
3215         (remove_low_level_allocnos): New.
3216         (remove_unnecessary_regions): Add parameter.  Call
3217         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
3218         parameter to remove_unnecessary_regions.
3219         (ira_build): Remove all regions but root if the conflict table was
3220         not built.  Update conflict hard regs for allocnos crossing calls.
3221
3222         * ira.c (ira_conflicts_p): New global.
3223         (ira): Define and use ira_conflicts_p.
3224
3225         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3226         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3227         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3228         
3229 2009-01-06  Ben Elliston  <bje@au.ibm.com>
3230
3231         * gengtype-lex.l (YY_NO_INPUT): Define.
3232
3233 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3234
3235         PR c/34911
3236         * c-common.c (handle_vector_size_attribute): Also reject
3237         BOOLEAN_TYPE types.
3238
3239 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
3240
3241         PR tree-optimization/38492
3242         * graphite.c (rename_map_elt, debug_rename_elt,
3243         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3244         rename_map_elt_info, eq_rename_map_elts,
3245         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3246         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3247         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3248         (sese_build_livein_liveouts): New.
3249         (new_sese, free_sese): New.
3250         (new_scop): Call new_sese.
3251         (free_scop): Call free_sese.
3252         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3253         (register_old_new_names): Renamed register_old_and_new_names.
3254         (register_scop_liveout_renames, add_loop_exit_phis,
3255         insert_loop_close_phis, struct igp,
3256         default_liveout_before_guard, add_guard_exit_phis,
3257         insert_guard_phis, copy_renames): New.
3258         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3259         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3260         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3261         (scop_adjust_phis_for_liveouts): New.
3262         (gloog): Call scop_adjust_phis_for_liveouts.
3263
3264         * graphite.h (struct sese): Documented.  Added fields liveout,
3265         num_ver and livein.
3266         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3267         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3268         (struct scop): Added field liveout_renames.
3269         (SCOP_LIVEOUT_RENAMES): New.
3270
3271 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3272
3273         PR tree-optimization/38510
3274         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3275         (translate_clast): Call recompute_all_dominators before
3276         graphite_verify.
3277         (gloog): Call recompute_all_dominators before graphite_verify.
3278
3279 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3280             Jan Sjodin  <jan.sjodin@amd.com>
3281
3282         PR tree-optimization/38500
3283         * graphite.c (create_sese_edges): Call fix_loop_structure after
3284         splitting blocks.
3285
3286 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
3287
3288         * config.gcc: Add m32r*-*-rtems*.
3289         * config/m32r/rtems.h: New file.
3290
3291 2009-01-05  Ben Elliston  <bje@au.ibm.com>
3292
3293         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3294         (.po.pox): Likewise.
3295         (po/gcc.pot): Likewise.
3296
3297 2009-01-04  David S. Miller  <davem@davemloft.net>
3298
3299         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3300         (STARTING_FRAME_OFFSET): Always set to zero.
3301
3302 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
3303
3304         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3305         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3306         fixed-point types, and vectors of the same.
3307
3308 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
3309
3310         * config/mips/sync.md (*mb_barrier): Rename to...
3311         (*memory_barrier): ...this.
3312
3313 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
3314
3315         * doc/extend.texi (Function Attributes): Move @cindex after @item
3316         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3317         and put in alphabetical order. Fix 'target' name and put in order.
3318         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3319         typos.
3320
3321 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
3322
3323         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3324         (memory_barrier): Expand as unspec instead of unspec_volatile.
3325         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3326         (*memory_barrier): Define as unspec instead of unspec_volatile.
3327         Use (match_dup 0) as input operand.
3328
3329         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3330         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3331         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
3332         scratch register.  Remove operand 1.
3333         (*stbar): Define as unspec instead of unspec_volatile.
3334         Use (match_dup 0) as input operand, remove (const_int 8).
3335         (*membar): Define as unspec instead of unspec_volatile.
3336         Use (match_dup 0) as input operand, remove input operand 2.
3337
3338         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3339         (memory_barrier): Expand as unspec instead of unspec_volatile.
3340         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3341         (*memory_barrier): Define as unspec instead of unspec_volatile.
3342         Use (match_dup 0) as input operand.
3343
3344         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3345         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3346         Set volatile flag on operand 0.
3347         (*memory_barrier): New insn pattern.
3348
3349         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3350         insn operands.
3351         (*memory_barrier): Use (match_dup 0) as input operand.
3352
3353         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3354         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3355         Set volatile flag on operand 0.
3356         (*mb_internal): New insn pattern.
3357
3358         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3359
3360 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
3361
3362         PR middle-end/38586
3363         * function.c (struct temp_slot): Move to the section of the file
3364         that deals with temp slots.  Remove field 'address'.
3365         (temp_slot_address_table): New hash table of address -> temp slot.
3366         (struct temp_slot_address_entry): New struct, items for the table.
3367         (temp_slot_address_compute_hash, temp_slot_address_hash,
3368         temp_slot_address_eq, insert_temp_slot_address): Support functions
3369         for the new table.
3370         (find_temp_slot_from_address): Rewrite to use the new hash table.
3371         (remove_unused_temp_slot_addresses): Remove addresses of temp
3372         slots that have been made available.
3373         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3374         worker function for remove_unused_temp_slot_addresses.
3375         (assign_stack_temp_for_type): Don't clear the temp slot address list.
3376         Add the temp slot address to the address -> temp slot map.
3377         (update_temp_slot_address): Update via insert_temp_slot_address.
3378         (free_temp_slots): Call remove_unused_temp_slot_addresses.
3379         (pop_temp_slots): Likewise.
3380         (init_temp_slots): Allocate the address -> temp slot map, or empty
3381         the map if it is already allocated.
3382         (prepare_function_start): Initialize temp slot processing.
3383
3384 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
3385
3386         PR middle-end/38584
3387         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3388         Calculate the size of all stack vars assuming no packing of stack
3389         vars will happen, replacing a quadratic algorithm with a linear one.
3390
3391 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
3392
3393         PR target/38707
3394         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3395         can't be used.
3396
3397 2009-01-03  Diego Novillo  <dnovillo@google.com>
3398
3399         * doc/contrib.texi: Update contributions.
3400
3401 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
3402
3403         PR c++/38705
3404         * builtins.c (fold_builtin_memory_op): Give up if either operand
3405         is volatile.  Set srctype or desttype to non-qualified version
3406         of the other type.
3407
3408         PR c/38700
3409         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3410         and FUNCTION_DECLs.
3411
3412 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
3413
3414         PR rtl-optimization/35805
3415         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3416         problem if fast dce is able to remove any instructions.
3417         * dce.c (dce_process_block): Fix dump message.
3418         
3419 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
3420
3421         PR 33649
3422         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3423
3424 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
3425
3426         PR middle-end/38690
3427         * tree-flow.h (op_code_prio, op_prio): New prototypes.
3428         * tree-pretty-print.c (op_code_prio): New function.
3429         (op_prio): No longer static.  Use op_code_prio.
3430         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3431         Use op_prio and op_code_prio to determine if () should be
3432         printed around operand(s) or not.
3433
3434         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3435         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3436         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3437         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3438         pp_character instead of pp_string for single letter printing.
3439
3440 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3441
3442         * doc/extend.texi: Fix '#pragma GCC option' typo.
3443
3444 2009-01-02  Richard Guenther  <rguenther@suse.de>
3445
3446         * doc/install.texi (--enable-checking): Mention different
3447         default for stage1.
3448         (--enable-stage1-checking): Document.
3449
3450 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
3451
3452         PR middle-end/30142
3453         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
3454         case to be an error.
3455
3456 2009-01-02  Ben Elliston  <bje@au.ibm.com>
3457
3458         * config/fp-bit.h (pack_d): Constify argument.
3459         * config/fp-bit.c (makenan): Constify return type. Remove casts.
3460         (isnan): Constify argument.
3461         (isinf): Likewise.
3462         (iszero): Likewise.
3463         (pack_d): Likewise.
3464         (_fpadd_parts): Constify return type.
3465         (_fpmul_parts): Likewise.
3466         (_fpdiv_parts): Likewise.
3467
3468 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
3469
3470         PR c/36489
3471         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
3472         warn about overwriting initializer with side-effects or
3473         -Woverride-init if !IMPLICIT.
3474         (output_init_element): Likewise.  Pass IMPLICIT down to
3475         add_pending_init.
3476         (process_init_element): Add IMPLICIT argument.  Pass it down
3477         to output_init_element.
3478         (push_init_element, pop_init_level, set_designator): Adjust
3479         process_init_element callers.
3480         (set_nonincremental_init, set_nonincremental_init_from_string):
3481         Adjust add_pending_init callers.
3482         (output_pending_init_elements): Adjust output_init_element callers.
3483         * c-tree.h (process_init_element): Adjust prototype.
3484         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3485         process_init_element callers.