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