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