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* config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2009-03-26  Bernd Schmidt  <bernd.schmidt@analog.com>
2
3         * config/bfin/bfin.c (bfin_optimize_loop): If the LSETUP goes before
4         a jump insn, count that jump in the distance to the loop start.
5
6 2009-03-25  Kaz Kojima  <kkojima@gcc.gnu.org>
7
8         PR target/39523
9         * config/sh/sh.c (calc_live_regs): Fix condition for global
10         registers except PIC_OFFSET_TABLE_REGNUM.
11
12 2009-03-25  Kai Tietz  <kai.tietz@onevision.com>
13
14         PR/39518
15         * doc/invoke.texi (-mconsole): New.
16         (-mcygwin): New.
17         (-mno-cygwin): New.
18         (-mdll): New.
19         (-mnop-fun-dllimport): New.
20         (-mthread): New.
21         (-mwin32): New.
22         (-mwindows): New.
23         (sub section "i386 and x86-64 Windows Options"): New.
24
25 2009-03-25  Ralf Cors├ępius <ralf.corsepius@rtems.org>
26
27         * config/arm/rtems-elf.h: Remove LINK_GCC_C_SEQUENCE_SPEC.
28         * config/rs6000/t-rtems: Remove MULTILIB_EXTRA_OPTS.
29
30 2009-03-25  Richard Guenther  <rguenther@suse.de>
31
32         PR middle-end/39497
33         * Makefile.in (dfp.o-warn): Use -fno-strict-aliasing instead
34         of -Wno-error.
35
36 2009-03-25  Andrey Belevantsev  <abel@ispras.ru>
37
38         * config/ia64/ia64.c (ia64_set_sched_flags): Zero spec_info->mask when
39         neither of haifa/selective schedulers are working.
40
41 2009-03-25  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
42
43         * doc/invoke.texi (Debugging Options): Fix description of
44         -fno-merge-debug-strings.
45
46 2009-03-24  Hans-Peter Nilsson  <hp@axis.com>
47
48         * config/cris/libgcc.ver: New version-script.
49         * config/cris/t-linux (SHLIB_MAPFILES): Use it.
50
51         * configure.ac <GAS features, nop mnemonic>: Add pattern
52         crisv32-*-* for "nop".
53         <GAS features, Thread-local storage>: Add item for CRIS and
54         CRIS v32.
55         * configure: Regenerate.
56
57 2009-03-24  Ira Rosen  <irar@il.ibm.com>
58
59         PR tree-optimization/39529
60         * tree-vect-transform.c (vect_create_data_ref_ptr): Call
61         mark_sym_for_renaming for the tag copied to the new vector
62         pointer.
63
64 2009-03-24  Arthur Loiret  <aloiret@debian.org>
65
66         * config.host (alpha*-*-linux*): Use driver-alpha.o and
67         alpha/x-alpha.
68         * config/alpha/linux.h (host_detect_local_cpu): Declare, add to
69         EXTRA_SPEC_FUNCTIONS.
70         (MCPU_MTUNE_NATIVE_SPECS, DRIVER_SELF_SPECS): New macros.
71         * config/alpha/driver-alpha.c, config/alpha/x-alpha: New.
72         * doc/invoke.texi (DEC Alpha Options): Document 'native' value for
73         -march and -mtune options.
74
75 2009-03-24  Ralf Cors├ępius <ralf.corsepius@rtems.org>
76
77         * config/m68k/t-rtems: Add m5329 multilib.
78
79 2009-03-24  Dodji Seketeli  <dodji@redhat.com>
80             Jakub Jelinek  <jakub@redhat.com>
81
82         PR debug/39524
83         * dwarf2out.c (gen_variable_die): Avoid adding duplicate declaration
84         nodes.
85
86 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
87
88         PR c/39495
89         * c-parser.c (c_parser_omp_for_loop): Call c_parser_binary_expression
90         instead of c_parser_expression_conv, if original_code isn't one of the
91         4 allowed comparison codes, fail.
92
93 2009-03-23  Richard Guenther  <rguenther@suse.de>
94
95         * cgraph.h (struct cgraph_node): Reorder fields for 64-bit hosts.
96         * tree.h (struct tree_type): Likewise.
97         * reload.h (struct insn_chain): Likewise.
98         * dwarf2out.c (struct dw_loc_descr_struct): Likewise.
99         * function.h (struct function): Likewise.
100         * tree-ssa-structalias.c (struct equiv_class_label): Likewise.
101
102 2009-03-23  Jakub Jelinek  <jakub@redhat.com>
103
104         PR tree-optimization/39516
105         * lambda-code.c (perfect_nestify): Fix type of the uboundvar variable.
106
107 2009-03-23 Bingfeng Mei  <bmei@broadcom.com>
108
109         * config.gcc (need_64bit_hwint): Make clear that need_64bit_hwint 
110         should be set true if BITS_PER_WORD of target is bigger than 32
111
112 2009-03-22  Hans-Peter Nilsson  <hp@axis.com>
113
114         * config/cris/linux.h (CRIS_LINK_SUBTARGET_SPEC):
115         Translate -B-options to -rpath-link.  Correct existing
116         rpath-link and conditionalize on !nostdlib.
117
118 2009-03-22  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
119
120         * doc/extend.texi (Function Attributes, Variable Attributes):
121         Fix typos.
122         * doc/invoke.texi (Debugging Options, Optimize Options)
123         (i386 and x86-64 Options, MCore Options): Likewise.
124
125 2009-03-20  Jakub Jelinek  <jakub@redhat.com>
126
127         PR debug/37890
128         * dwarf2out.c (gen_namespace_die): Add context_die argument and use
129         it for block local namespace aliases.
130         (gen_decl_die): Pass context_die to gen_namespace_die.
131
132 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
133
134         PR c/39495
135         * c-omp.c (c_finish_omp_for): Allow NE_EXPR with TREE_TYPE (decl)'s
136         minimum or maximum value.
137
138 2009-03-19  Alexandre Oliva  <aoliva@redhat.com>
139
140         * reginfo.c (globalize_reg): Recompute derived reg sets.
141
142 2009-03-19  Ozkan Sezer <sezeroz@gmail.com>
143
144         PR target/39063
145         * libgcc2.c (mprotect): Do not use signed arguments for
146         VirtualProtect, use DWORD arguments.  Also fix the 'may
147         be used uninitialized' warning for the np variable.
148
149 2009-03-19  Jakub Jelinek  <jakub@redhat.com>
150
151         PR target/39496
152         * config/i386/i386.c (ix86_function_regparm): Don't optimize local
153         functions using regparm calling conventions when not optimizing.
154         (ix86_function_sseregparm): Similarly for sseregparm calling
155         conventions.
156
157 2009-03-19  Li Feng  <nemokingdom@gmail.com>
158
159         PR middle-end/39500
160         * tree-data-ref.c (analyze_subscript_affine_affine): There is no
161         dependence if the first conflict is after niter iterations.
162
163 2009-03-19  Hans-Peter Nilsson  <hp@axis.com>
164
165         PR middle-end/38609
166         * config/cris/cris.h (FRAME_POINTER_REQUIRED): Force for all
167         functions with dynamic stack-pointer adjustments.
168
169 2009-03-19  Ben Elliston  <bje@au.ibm.com>
170
171         * doc/invoke.texi (RS/6000 and PowerPC Options): Fix -msdata-data
172         option; change to -msdata=data.
173
174 2009-03-18  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
175
176         * c.opt: Unify help texts for -Wdeprecated, -Wsystem-headers,
177         and -fopenmp.
178
179 2009-03-18  Eric Botcazou  <ebotcazou@adacore.com>
180
181         PR target/35180
182         * config/sparc/sparc.md (do_builtin_setjmp_setup): Prettify asm output.
183
184 2009-03-18  Sandra Loosemore  <sandra@codesourcery.com>
185
186         * doc/invoke.texi (Code Gen Options): Expand discussion of
187         -fno-common.
188
189 2009-03-18  Jakub Jelinek  <jakub@redhat.com>
190
191         * dse.c (struct group_info): Reorder fields for 64-bit hosts.
192         * matrix-reorg.c (struct matrix_info): Likewise.
193         * tree-ssa-loop-ivopts.c (struct ivopts_data): Likewise.
194         * rtl.h (struct mem_attrs): Likewise.
195         * df.h (struct df): Likewise.
196         * tree-data-ref.h (struct data_dependence_relation): Likewise.
197         * ira-int.h (struct ira_allocno): Likewise.
198         * df-scan.c (struct df_collection_rec): Likewise.
199         * ira.c (struct equivalence): Likewise.
200         * function.c (struct temp_slot): Likewise.
201         * cfgloop.h (struct loop): Likewise.
202
203         PR debug/39485
204         * function.c (use_register_for_decl): When not optimizing, disregard
205         register keyword for variables with types containing methods.
206
207 2009-03-18  Sebastian Pop  <sebastian.pop@amd.com>
208
209         PR middle-end/39447
210         * graphite.c (exclude_component_ref): Renamed contains_component_ref_p.
211         (is_simple_operand): Call contains_component_ref_p before calling data
212         reference analysis that would fail on COMPONENT_REFs.
213
214         * tree-vrp.c (search_for_addr_array): Fix formatting.
215
216 2009-03-18  Richard Guenther  <rguenther@suse.de>
217
218         * tree-vect-transform.c (vect_loop_versioning): Fold the
219         generated comparisons.
220         * tree-vectorizer.c (set_prologue_iterations): Likewise.
221         (slpeel_tree_peel_loop_to_edge): Likewise.
222
223 2009-03-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
224
225         PR middle-end/37805
226         * opts.c (print_specific_help): In addition to `undocumented',
227         accept `separate' and `joined' flags if passed alone.  Describe
228         output by the first matched one of those.
229         (common_handle_option): Skip over empty strings.
230         * gcc.c (display_help): Fix help string for `--help='.
231         * doc/invoke.texi (Option Summary, Overall Options): With
232         `--help=', classes and qualifiers can both be repeated, but
233         only the latter can be negated.  One should not pass only
234         negated qualifiers.  Fix markup and examples.
235
236         Revert
237         2008-10-14  Jakub Jelinek  <jakub@redhat.com>
238         PR middle-end/37805
239         * opts.c (common_handle_option): Don't ICE on -fhelp=joined
240         and -fhelp=separate.
241
242 2009-03-17  Jing Yu  <jingyu@google.com>
243
244         PR middle-end/39378
245         * function.h (struct rtl_data): Move is_thunk from here...
246         (struct function): ...to here.
247         * cp/method.c (use_thunk): Change is_thunk from crtl to cfun.
248         * varasm.c (assemble_start_function): Change is_thunk from crtl to
249         cfun.
250         * config/alpha/alpha.c (alpha_sa_mask): Change is_thunk from crtl to
251         cfun.
252         (alpha_does_function_need_gp, alpha_start_function): Likewise.
253         (alpha_output_function_end_prologue): Likewise.
254         (alpha_end_function, alpha_output_mi_thunk_osf): Likewise.
255         * config/rs6000/rs6000.c (rs6000_ra_ever_killed): Likewise.
256         (rs6000_output_function_epilogue): Likewise.
257         * config/arm/arm.h (ARM_DECLARE_FUNCTION_NAME): Likewise.
258
259 2009-03-17  Uros Bizjak  <ubizjak@gmail.com>
260
261         PR target/39482
262         * config/i386/i386.md (*truncdfsf_mixed): Avoid combining registers
263         from different units in a single alternative.
264         (*truncdfsf_i387): Ditto.
265         (*truncxfsf2_mixed): Ditto.
266         (*truncxfdf2_mixed): Ditto.
267
268 2009-03-17  Jakub Jelinek  <jakub@redhat.com>
269
270         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Allow
271         non-NAMESPACE_DECL IMPORTED_DECL_ASSOCIATED_DECL.
272
273         PR debug/39474
274         * tree-ssa-live.c (remove_unused_locals): Don't remove local
275         unused non-artificial variables when not optimizing.
276
277         PR debug/39471
278         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): Emit
279         DW_TAG_imported_module even if decl is IMPORTED_DECL with
280         NAMESPACE_DECL in its DECL_INITIAL.
281
282         PR middle-end/39443
283         * optabs.c (set_user_assembler_libfunc): New function.
284         * expr.h (set_user_assembler_libfunc): New prototype.
285         * c-common.c: Include libfuncs.h.
286         (set_builtin_user_assembler_name): Call set_user_assembler_libfunc
287         for memcmp, memset, memcpy, memmove and abort.
288         * Makefile.in (c-common.o): Depend on libfuncs.h.
289
290         PR debug/39412
291         * dwarf2out.c (gen_inlined_enumeration_type_die,
292         gen_inlined_structure_type_die, gen_inlined_union_type_die,
293         gen_tagged_type_instantiation_die): Removed.
294         (gen_decl_die): For TYPE_DECL_IS_STUB with non-NULL decl_origin
295         do nothing.
296
297 2009-03-17  Janis Johnson  <janis187@us.ibm.com>
298
299         PR testsuite/38526
300         * Makefile.in (site.exp): Rename TEST_GCC_EXEC_PREFIX and comment
301         its use.
302         (check-%): Don't set GCC_EXEC_PREFIX when invoking runtest.
303         (check-parallel-%): Ditto.
304         (check-consistency): Ditto.
305
306 2009-03-17  Kai Tietz  <kai.tietz@onevision.com>
307
308         * ipa-struct-reorg.c (create_general_new_stmt): Initialize
309         local variable rhs by NULL_TREE.
310
311 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
312
313         PR target/39477
314         * doc/extend.texi: Correct register behavior for regparm on Intel 386.
315
316 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
317
318         PR target/39476
319         * config/i386/i386.c (ix86_function_regparm): Rewrite for 64bit.
320
321 2009-03-17  H.J. Lu  <hongjiu.lu@intel.com>
322
323         PR target/39473
324         * config/i386/i386.c (ix86_expand_call): Check extra clobbers
325         for ms->sysv ABI calls only in 64bit mode.
326
327         * config/i386/i386.md (untyped_call): Support 32bit.
328
329 2009-03-16  H.J. Lu  <hongjiu.lu@intel.com>
330
331         * doc/extend.texi: Replace x86_65 with x86_64.
332
333 2009-03-16  Jakub Jelinek  <jakub@redhat.com>
334
335         PR tree-optimization/39455
336         * tree-ssa-loop-niter.c (number_of_iterations_lt_to_ne): Fix types
337         mismatches for POINTER_TYPE_P (type).
338         (number_of_iterations_le): Likewise.
339
340 2009-03-16  Hariharan Sandanagobalane <hariharan@picochip.com>
341
342         * config/picochip/picochip.c: Removed profiling support.
343         * config/picochip/picochip.md: Removed profiling instruction.
344         * config/picochip/picochip.h: Removed profiling builtin.
345
346 2009-03-16  Joseph Myers  <joseph@codesourcery.com>
347
348         * doc/install.texi (--with-host-libstdcxx): Document.
349
350 2009-03-14  Anatoly Sokolov  <aesok@post.ru>
351
352         PR target/34299
353         * config/avr/avr.c (avr_handle_fndecl_attribute): Move code for
354         generate a warning if the function name does not begin with
355         "__vector" and the function has either the 'signal' or 'interrupt'
356         attribute, from here to ...
357         (avr_declare_function_name): ...here. New function.
358         * config/avr/avr.h (ASM_DECLARE_FUNCTION_NAME): Redefine.
359         * config/avr/avr-protos.h (avr_declare_function_name): Declare.
360
361 2009-03-14  Jakub Jelinek  <jakub@redhat.com>
362
363         PR bootstrap/39454
364         * cse.c (fold_rtx): Don't modify original const_arg1 when
365         canonicalizing SHIFT_COUNT_TRUNCATED shift count, do it on a
366         separate variable instead.
367         * rtlanal.c (nonzero_bits1) <case ASHIFTRT>: Don't assume anything
368         from out of range shift counts.
369         (num_sign_bit_copies1) <case ASHIFTRT, case ASHIFT>: Similarly.
370
371 2008-03-13  Catherine Moore  <clm@codesourcery.com>
372
373         * gcc/config/i386/x-mingw32 (host-mingw32.o): Replace
374         diagnostic.h with $(DIAGNOSTIC_H).
375
376 2008-03-12  Jakub Jelinek  <jakub@redhat.com>
377
378         PR target/39431
379         * config/i386/predicates.md (cmpxchg8b_pic_memory_operand): New
380         predicate.
381         * config/i386/sync.md (sync_compare_and_swap<mode>,
382         sync_compare_and_swap_cc<mode>): For DImode with -m32 -fpic check
383         if operands[1] is cmpxchg8b_pic_memory_operand, if not force address
384         into a register.
385         (sync_double_compare_and_swapdi_pic,
386         sync_double_compare_and_swap_ccdi_pic): Require operand 1 to be
387         cmpxchg8b_pic_memory_operand instead of just memory_operand.
388
389 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
390
391         PR target/39445
392         * config/i386/i386.c (ix86_expand_push): Don't set memory alignment.
393
394 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
395
396         PR target/39327
397         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
398         (avx_addsubv4df3): Likewise.
399         (*avx_addsubv4sf3): Likewise.
400         (sse3_addsubv4sf3): Likewise.
401
402 2009-03-12  H.J. Lu  <hongjiu.lu@intel.com>
403
404         PR target/38824
405         * config/i386/i386.md: Compare REGNO on the new peephole2 patterns.
406
407 2009-03-12  Vladimir Makarov  <vmakarov@redhat.com>
408
409         PR debug/39432
410         * ira-int.h (struct allocno): Fix comment for calls_crossed_num.
411         * ira-conflicts.c (ira_build_conflicts): Prohibit call used
412         registers for allocnos created from user-defined variables.
413
414 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
415
416         PR target/39181
417         * config/spu/spu.c (spu_expand_mov): Handle invalid subregs
418         of non-integer mode as well.
419
420 2009-03-11  Adam Nemet  <anemet@caviumnetworks.com>
421
422         * gimplify.c (gimplify_call_expr): Don't set CALL_CANNOT_INLINE_P
423         for functions for which the parameter types are unknown.
424
425 2009-03-11  Jakub Jelinek  <jakub@redhat.com>
426
427         PR target/39137
428         * cfgexpand.c (get_decl_align_unit): Use LOCAL_DECL_ALIGNMENT macro.
429         * defaults.h (LOCAL_DECL_ALIGNMENT): Define if not yet defined.
430         * config/i386/i386.h (LOCAL_DECL_ALIGNMENT): Define.
431         * config/i386/i386.c (ix86_local_alignment): For
432         -m32 -mpreferred-stack-boundary=2 use 32-bit alignment for
433         long long variables on the stack to avoid dynamic realignment.
434         Allow the first argument to be a decl rather than type.
435         * doc/tm.texi (LOCAL_DECL_ALIGNMENT): Document.
436
437 2009-03-11  Nick Clifton  <nickc@redhat.com>
438
439         PR target/5362
440         * config/mcore/mcore.opt: Remove deprecated m4align and m8align
441         options.
442         Add description to mno-lsim option.
443         * config/mcore/mcore.h: Remove comment about deprecated m4align
444         option.
445         (TARGET_DEFAULT): Remove deprecated MASK_M8ALIGN.
446         * doc/invoke.texi: Add description of mno-lsim and
447         mstack-increment options.
448
449         * config/fr30/fr30.opt: Document the -mno-lsim option.
450         * doc/invoke.texi: Add descriptions of the FR30's -msmall-model
451         and -mno-lsim options.
452
453 2009-03-11  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
454
455         * fold-const.c (fold_comparison): Only call fold_inf_compare
456         if the mode supports infinities.
457
458 2009-03-11  Jason Merrill  <jason@redhat.com>
459
460         PR debug/39086
461         * tree-nrv.c (tree_nrv): Don't do this optimization if the front
462         end already did.  Notice GIMPLE_CALL modifications of the result.
463         Don't copy debug information from an ignored decl or a decl from
464         another function.
465
466 2009-03-10  Richard Guenther  <rguenther@suse.de>
467             Nathan Froyd  <froydnj@codesourcery.com>
468
469         PR middle-end/37850
470         * libgcc2.c (__mulMODE3): Use explicit assignments to form the result.
471         (__divMODE3): Likewise.
472
473 2009-03-09  Jakub Jelinek  <jakub@redhat.com>
474
475         PR tree-optimization/39394
476         * gimplify.c (gimplify_type_sizes): Gimplify DECL_SIZE and
477         DECL_SIZE_UNIT of variable length FIELD_DECLs.
478
479 2009-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
480
481         * recog.c (verfiy_changes): Disallow renaming of hard regs in
482         inline asms for register asm ("") declarations.
483
484 2009-03-09  Eric Botcazou  <ebotcazou@adacore.com>
485
486         * fold-const.c (fold_unary): Fix comment.
487
488 2009-03-07  Jan Hubicka  <jh@suse.cz>
489
490         PR target/39361
491         * tree-inline.c (setup_one_parameter): Do replacement of const
492         argument by constant in SSA form.
493
494 2009-03-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
495
496         PR middle-end/38028
497         * function.c (assign_parm_setup_stack): Use STACK_SLOT_ALIGNMENT to
498         determine alignment passed to assign_stack_local.
499         (assign_parms_unsplit_complex): Likewise.
500         * except.c (sjlj_build_landing_pads): Likewise.
501
502 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
503
504         PR middle-end/39360
505         * tree-flow.h (add_referenced_var): Return bool instead of void.
506         * tree-dfa.c (add_referenced_var): Return result of
507         referenced_var_check_and_insert call.
508         * tree-inline.c (expand_call_inline): Call add_referenced_var instead
509         of referenced_var_check_and_insert.
510
511         PR debug/39372
512         * dwarf2out.c (add_abstract_origin_attribute): Return origin_die.
513         (gen_variable_die): Emit DW_AT_location on abstract static variable's
514         DIE, don't emit it if abstract origin already has it.
515         * tree-cfg.c (remove_useless_stmts_bind): GIMPLE_BINDs with any
516         BLOCK_NONLOCALIZED_VARS in its gimple_bind_block aren't useless.
517
518 2009-03-06  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
519
520         * genpreds.c: (needs_variable): Fix parentheses at variable name
521         detection.
522         (write_tm_constrs_h): Indent generated code.
523
524 2009-03-06  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>
525
526         * doc/extend.texi (Function Attributes): Add documentation
527         for isr attributes.
528
529 2009-03-06  Jakub Jelinek  <jakub@redhat.com>
530
531         PR debug/39387
532         * dwarf2out.c (dwarf2out_imported_module_or_decl_1): For IMPORTED_DECL
533         take locus from its DECL_SOURCE_LOCATION instead of input_location.
534
535 2009-03-05  Bernd Schmidt  <bernd.schmidt@analog.com>
536
537         * config/bfin/bfin.c (bfin_discover_loop): When retrying fails, mark
538         the loop as bad.
539
540 2009-03-05  Jakub Jelinek  <jakub@redhat.com>
541
542         PR debug/39379
543         * tree-cfg.c (remove_useless_stmts_bind): Don't remove GIMPLE_BINDs
544         with blocks containing IMPORTED_DECLs in BLOCK_VARS.
545
546 2009-03-05  Uros Bizjak  <ubizjak@gmail.com>
547
548         * config/i386/i386.md (R8_REG, R9_REG): New constants.
549         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Use named
550         constants instead of magic numbers.
551         (HARD_REGNO_CALLER_SAVE_MODE): Ditto.
552         (QI_REG_P): Ditto.
553         * config/i386/i386.c (x86_64_int_parameter_registers): Ditto.
554         (x86_64_ms_abi_int_parameter_registers): Ditto.
555         (x86_64_int_return_registers): Ditto.
556         (ix86_maybe_switch_abi): Ditto.
557         (ix86_expand_call): Ditto for clobbered_registers array.
558         (ix86_hard_regno_mode_ok): Ditto.
559         (x86_extended_QIreg_mentioned_p): Ditto.
560
561 2009-03-05  J"orn Rennecke  <joern.rennecke@arc.com>
562
563         PR tree-optimization/39349
564         * cse.c (cse_insn): Fix loop to stop at VOIDmode.
565
566         * combine.c (gen_lowpart_for_combine): Use omode when generating
567         clobber.
568
569 2009-03-04  J"orn Rennecke  <joern.rennecke@arc.com>
570
571         PR rtl-optimization/39235
572         * loop-iv.c (get_simple_loop_desc): Use XCNEW.
573
574 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
575
576         * graphite.c (nb_reductions_in_loop): Update simple_iv arguments.
577
578 2009-03-04  Richard Guenther  <rguenther@suse.de>
579
580         PR tree-optimization/39362
581         * tree-ssa-sccvn.c (visit_use): Stores and copies from SSA_NAMEs
582         that occur in abnormal PHIs should be varying.
583
584 2009-03-04  Zdenek Dvorak  <ook@ucw.cz>
585
586         * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop):
587         Extend comments.
588         (simple_iv):  Take loop as an argument instead of statement.
589         * tree-scalar-evolution.h (simple_iv): Declaration changed.
590         * tree-ssa-loop-niter.c (number_of_iterations_exit): Update calls
591         to simple_iv.
592         * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev):
593         Ditto.
594         * tree-parloops.c (loop_parallel_p, canonicalize_loop_ivs): Ditto.
595         * matrix-reorg.c (analyze_transpose): Ditto.
596         * tree-data-ref.c (dr_analyze_innermost): Ditto.
597         * tree-vect-analyze.c (vect_analyze_data_refs): Ditto.
598         * tree-predcom.c (ref_at_iteration): Ditto.
599         * tree-ssa-loop-prefetch.c (idx_analyze_ref): Ditto.
600
601 2009-03-04  Richard Guenther  <rguenther@suse.de>
602
603         PR tree-optimization/39358
604         * tree-ssa-structalias.c (do_sd_constraint): Fix check for
605         escaped_id and callused_id.
606         (solve_graph): Likewise.
607
608 2009-03-04  Richard Guenther  <rguenther@suse.de>
609
610         PR tree-optimization/39339
611         * tree-sra.c (try_instantiate_multiple_fields): Make it
612         no longer ICE on the above.
613
614 2009-03-03  Joseph Myers  <joseph@codesourcery.com>
615
616         * emit-rtl.c (adjust_address_1): Reduce offset to a signed value
617         that fits within Pmode.
618
619 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
620
621         PR middle-end/10109
622         * tm.texi (LIBCALL_VALUE): Update description.
623
624 2009-03-03  Steve Ellcey  <sje@cup.hp.com>
625
626         PR middle-end/34443
627         * doc/extend.texi (section): Update description.
628
629 2009-03-03  H.J. Lu  <hongjiu.lu@intel.com>
630
631         PR middle-end/39345
632         * tree-inline.c (remapped_type): New.
633         (can_be_nonlocal): Call remapped_type instead of remap_type.
634
635 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
636
637         PR fortran/39354
638         * gimplify.c (goa_stabilize_expr): Handle tcc_comparison,
639         TRUTH_ANDIF_EXPR and TRUTH_ORIF_EXPR.
640
641 2009-03-03  Richard Guenther  <rguenther@suse.de>
642
643         PR middle-end/39272
644         * tree.c (tree_nonartificial_location): New function.
645         * tree.h (tree_nonartificial_location): Declare.
646         * builtins.c (expand_builtin_memory_chk): Provide location
647         of the call location for artificial function pieces.
648         (maybe_emit_chk_warning): Likewise.
649         (maybe_emit_sprintf_chk_warning): Likewise.
650         (maybe_emit_free_warning): Likewise.
651         * expr.c (expand_expr_real_1): Likewise.
652
653 2009-03-03  Jakub Jelinek  <jakub@redhat.com>
654
655         PR tree-optimization/39343
656         * tree-ssa-ccp.c (maybe_fold_offset_to_address): Don't check if
657         COMPONENT_REF t has ARRAY_TYPE.
658
659 2009-03-02  Sebastian Pop  <sebastian.pop@amd.com>
660
661         PR middle-end/39335
662         * tree-parloops.c (canonicalize_loop_ivs): Call fold_convert
663         when the type precision of the induction variable should be
664         larger than the type precision of nit.
665         (gen_parallel_loop): Update use of canonicalize_loop_ivs.
666         * graphite.c (graphite_loop_normal_form): Same.
667         * tree-flow.h (canonicalize_loop_ivs): Update declaration.
668
669 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
670
671         * config/i386/i386.md (ST?_REG, MM?_REG): New constants.
672         (*call_1_rex64_ms_sysv): Use named constants instead of magic
673         numbers to describe clobbered registers.
674         (*call_value_0_rex64_ms_sysv): Ditto.
675         * config/i386/mmx.md (mmx_emms): Ditto.
676         (mmx_femms): Ditto.
677
678 2009-03-02  Richard Sandiford  <rdsandiford@googlemail.com>
679
680         * config/mips/mips.c (mips_mdebug_abi_name): Fix the handling
681         of ABI_64.
682
683 2009-03-02  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
684
685         * config/spu/spu.c (TARGET_SECTION_TYPE_FLAGS): Define.
686         (spu_section_type_flags): New function.
687
688 2009-03-02  Uros Bizjak  <ubizjak@gmail.com>
689
690         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not copy
691         reg_class_contents of FLOAT_REGS into a temporary.
692
693 2009-03-02  Richard Guenther  <rguenther@suse.de>
694             Ira Rosen  <irar@il.ibm.com>
695
696         PR tree-optimization/39318
697         * tree-vect-transform.c (vectorizable_call): Transfer the EH region
698         information to the vectorized statement.
699
700 2009-03-01  Uros Bizjak  <ubizjak@gmail.com>
701
702         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Do not shadow "i"
703         variable.  Use defined names instead of magic constants for REX SSE
704         registers.
705
706 2009-03-01  Richard Guenther  <rguenther@suse.de>
707
708         PR tree-optimization/39331
709         * omp-low.c (lower_send_shared_vars): Do not receive new
710         values for the reference of DECL_BY_REFERENCE parms or results.
711
712 2009-03-01  Jan Hubicka  <jh@suse.cz>
713
714         PR debug/39267
715         * tree.h (BLOCK_NONLOCALIZED_VARS, BLOCK_NUM_NONLOCALIZED_VARS,
716         BLOCK_NONLOCALIZED_VAR): New macros.
717         (tree_block): Add nonlocalized_vars.
718         * dwarf2out.c (gen_formal_parameter_die, gen_variable_die,
719         gen_decl_die): Add origin argument.  Allow generation of die with
720         origin at hand only.
721         (gen_member_die, gen_type_die_with_usage, force_decl_die,
722         declare_in_namespace, gen_namescpace_die, dwarf2out_decl): Update use
723         of gen_*.
724         (gen_block_die): Fix checking for unused blocks.
725         (process_scope_var): Break out from .... ; work with origins only.
726         (decls_for_scope) ... here; process nonlocalized list.
727         (dwarf2out_ignore_block): Look for nonlocalized vars.
728         * tree-ssa-live.c (remove_unused_scope_block_p): Look for nonlocalized
729         vars.
730         (dump_scope_block): Dump them.
731         * tree-inline.c (remap_decls): Handle nonlocalized vars.
732         (remap_block): Likewise.
733         (can_be_nonlocal): New predicate.
734         (copy_bind_expr, copy_gimple_bind): Update use of remap_block.
735
736 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
737
738         * configure: Regenerate.
739
740 2009-03-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
741
742         * optc-gen.awk: No need to duplicate option flags twice.
743         Reuse help texts for duplicate options which do not have any.
744
745         * gcc.c (display_help): Document --version.
746
747         * gcc.c (main): If print_help_list and verbose_flag, ensure
748         driver output comes before subprocess output.
749
750         * optc-gen.awk: Assign all remaining fields to help string,
751         space-separated, for multi-line help in *.opt.
752
753         * doc/invoke.texi (Warning Options): -Wsync-nand is C/C++ only.
754         -Wno-pedantic-ms-format is for MinGW targets only.
755
756         * doc/options.texi (Option file format): Fix bad indentation,
757         restoring dropped sentence.
758
759 2009-02-28  Jan Hubicka  <jh@suse.cz>
760
761         * tree-inline.c (tree_function_versioning): Output debug info.
762
763 2009-02-28  Jan Hubicka  <jh@suse.cz>
764
765         PR debug/39267
766         * tree-inline.c (setup_one_parameter): Do not copy propagate
767         arguments when not optimizing.
768
769 2009-02-28  H.J. Lu  <hongjiu.lu@intel.com>
770
771         PR target/39327
772         * config/i386/sse.md (avx_addsubv8sf3): Correct item bits.
773         (avx_addsubv4df3): Likewise.
774         (*avx_addsubv4sf3): Likewise.
775         (sse3_addsubv4sf3): Likewise.
776         (*avx_addsubv2df3): Likewise.
777         (sse3_addsubv2df3): Likewise.
778         (avx_unpckhps256): Correct item selectors.
779         (avx_unpcklps256): Likewise.
780         (avx_unpckhpd256): Likewise.
781         (avx_unpcklpd256): Likewise.
782
783 2009-02-28  Jan Hubicka  <jh@suse.cz>
784
785         * tree-inline.c (expand_call_inline): Avoid duplicate declarations of
786         static vars.
787         (copy_arguments_for_versioning): If var is declared don't declare it.
788         (tree_function_versioning): First setup substitutions and then copy
789         args.
790
791 2009-02-27  Jan Hubicka  <jh@suse.cz>
792
793         PR debug/39267
794         * cgraph.h (varpool_output_debug_info): Remove.
795         * cgraphunit.c (varpool_output_debug_info): Remove.
796         * dwarf2out.c (deferred_locations_struct): New struct
797         (deferred_locations): New type.
798         (deferred_locations_list): New static var.
799         (deffer_location): New function.
800         (gen_variable_die): Use it.
801         (decls_for_scope): Output info on local static vars.
802         (dwarf2out_finish): Process deferred locations.
803         * varpool.c (varpool_output_debug_info): Remove.
804
805 2009-02-27  Jan Hubicka  <jh@suse.cz>
806
807         PR debug/39267
808         * tree.h (TREE_PROTECTED): Fix comment.
809         (BLOCK_HANDLER_BLOCK): Remove.
810         (struct tree_block): Remove handler_block add body_block.
811         (inlined_function_outer_scope_p): New.
812         (is_body_block): Remove.
813         * dbxout.c (dbxout_block): Remove BLOCK_HANDLER_BLOCK.
814         * dwarf2out.c (is_inlined_entry_point): Remove.
815         (add_high_low_attributes): Use inlined_function_outer_scope_p.
816         (gen_block_die): Use is_inlined_entry_point check.  Remove body block
817         code.
818         * langhooks.h (struct lang_hooks): Remove no_bodu_blocks.
819         * gimplify.c (gimplify_expr): Gimplify body blocks.
820         * tree-ssa-live.c (remove_unused_scope_block_p): Allow removing wrapper
821         block with multiple subblocks.
822         (dump_scope_block): Prettier output; dump more flags and info.
823         (dump_scope_blocks): New.
824         (remove_unused_locals): Use dump_scope_blocks.
825         * tree-flow.h (dump_scope_blocks): Declare.
826         * tree-cfg.c (execute_build_cfg): Dump scope blocks.
827         * stmt.c (is_body_block): Remove.
828         * tree-inline.c (remap_block): Copy BODY_BLOCK info.
829         * langhooks-def.h (LANG_HOOKS_NO_BODY_BLOCKS): Remove.
830
831 2009-02-27  Sebastian Pop  <sebastian.pop@amd.com>
832
833         PR middle-end/39308
834         * graphite.c (graphite_loop_normal_form): Do not call 
835         number_of_iterations_exit from a gcc_assert.
836
837 2009-02-27  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
838
839         * gcc/config/s390/s390.c: (s390_swap_cmp): Look for conditional
840         jumps if COND is NULL.
841         (find_cond_jump): New function.
842         (s390_z10_optimize_cmp): Handling for reg-reg compares added.
843         * gcc/config/s390/s390.md: Remove z10_cobra attribute value.
844
845 2009-02-26  Uros Bizjak  <ubizjak@gmail.com>
846
847         * config/alpha/alpha.h (alpha_expand_mov): Return false if
848         force_const_mem returns NULL_RTX.
849
850 2009-02-26  Jan Hubicka  <jh@suse.cz>
851
852         PR debug/39267
853         * cgraph.h (varpool_output_debug_info): Remove.
854         * cgraphunit.c (varpool_output_debug_info): Remove.
855         * dwarf2out.c (deferred_locations_struct): New struct
856         (deferred_locations): New type.
857         (deferred_locations_list): New static var.
858         (deffer_location): New function.
859         (gen_variable_die): Use it.
860         (decls_for_scope): Output info on local static vars.
861         (dwarf2out_finish): Process deferred locations.
862         * varpool.c (varpool_output_debug_info): Remove.
863
864 2009-02-25  H.J. Lu  <hongjiu.lu@intel.com>
865
866         PR rtl-optimization/39241
867         * jump.c (rtx_renumbered_equal_p): Remove 2 superfluous calls
868         to subreg_offset_representable_p.
869
870 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
871
872         * regmove.c (regmove_optimize): Conform to struct rtl_opt_pass
873         execute function prototype.  Get f and nregs from max_reg_num
874         and get_insns.  Remove the first backward pass as it's dead,
875         guard the forward pass by flag_expensive_optimizations.
876         (rest_of_handle_regmove): Delete.
877         (pass_regmove): Replace it with regmove_optimize.
878
879 2009-02-25  Martin Jambor  <mjambor@suse.cz>
880
881         PR tree-optimization/39259
882         * tree-inline.c (initialize_cfun): Remove asserts for calls_setjmp and
883         calls_alloca function flags.
884         (copy_bb): Set calls_setjmp and alls_alloca function flags if such
885         calls are detected.
886
887 2009-02-25  Paolo Bonzini  <bonzini@gnu.org>
888
889         * regmove.c (discover_flags_reg, flags_set_1, mark_flags_life_zones,
890         flags_set_1_rtx, flags_set_1_set): Delete.
891         (regmove_optimize): Do not call mark_flags_life_zones.
892
893 2009-02-24  Julian Brown  <julian@codesourcery.com>
894
895         PR target/35965
896         * config/arm/arm.c (require_pic_register): Only set
897         cfun->machine->pic_reg once per function.
898
899 2009-02-24  Sandra Loosemore  <sandra@codesourcery.com>
900
901         * doc/invoke.texi (Link Options): Document an easier way to pass
902         options that take arguments to the GNU linker using -Xlinker and -Wl.
903
904 2009-02-24  Steve Ellcey  <sje@cup.hp.com>
905
906         PR target/33785
907         * doc/tm.texi (TARGET_C99_FUNCTIONS): Fix description.
908
909 2009-02-24  Richard Guenther  <rguenther@suse.de>
910
911         PR debug/39285
912         * dwarf2out.c (gen_enumeration_type_die): Handle CONST_DECLs.
913
914 2009-02-24  Richard Guenther  <rguenther@suse.de>
915             Zdenek Dvorak  <ook@ucw.cz>
916
917         PR tree-optimization/39233
918         * tree-ssa-loop-ivopts.c (add_candidate_1): Do not except pointers
919         from converting them to a generic type.
920
921 2009-02-23  Sebastian Pop  <sebastian.pop@amd.com>
922
923         PR tree-optimization/39260
924         * graphite.c (harmful_stmt_in_bb): Stop a SCoP when the basic block
925         contains a condition with a real type.
926         (build_scop_conditions_1): Conditions are always last_stmt of a bb.
927
928 2009-02-23  Jason Merrill  <jason@redhat.com>
929
930         PR c++/38880
931         * varasm.c (initializer_constant_valid_p) [PLUS_EXPR]: Check
932         narrowing_initializer_constant_valid_p.
933         (narrowing_initializer_constant_valid_p): Don't return 
934         null_pointer_node for adding a pointer to itself.
935
936 2009-02-23  Jan Hubicka  <jh@suse.cz>
937
938         PR c/12245
939         * ggc.h (htab_create_ggc): Use ggc_free to free hashtable when
940         resizing.
941
942 2009-02-23  Jan Hubicka  <jh@suse.cz>
943
944         PR tree-optimization/37709
945         * tree.c (block_ultimate_origin): Move here from dwarf2out.
946         * tree.h (block_ultimate_origin): Declare.
947         * dwarf2out.c (block_ultimate_origin): Move to tree.c
948         * tree-ssa-live.c (remove_unused_scope_block_p):
949         Eliminate blocks containig no instructions nor live variables nor
950         nested blocks.
951         (dump_scope_block): New function.
952         (remove_unused_locals): Enable removal of dead blocks by default;
953         enable dumping at TDF_DETAILS.
954
955 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
956
957         * config/i386/i386.c (classify_argument): Don't allow COImode
958         and OImode.
959         (function_arg_advance_32): Don't allow OImode.
960         (function_arg_32): Likewise.
961         (function_value_32): Likewise.
962         (return_in_memory_32): Likewise.
963         (function_arg_64): Remove OImode comment.
964
965 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
966
967         PR target/39261
968         * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Use
969         ix86_expand_vector_set for V4DImode in 64bit mode only.
970         (ix86_expand_vector_init_one_var): Likewise.
971
972 2009-02-21  Sebastian Pop  <sebastian.pop@amd.com>
973
974         * graphite.c (graphite_trans_loop_block): Adjust tile size to 51.
975
976 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
977
978         PR bootstrap/39257
979         * loop-iv.c: Revert last change.
980         * emit-rtl.c: Likewise.
981
982 2009-02-21  H.J. Lu  <hongjiu.lu@intel.com>
983
984         PR target/39256
985         * config/i386/i386.c (type_natural_mode): Remove an extra
986         space in the warning message.
987         (function_value_32): Handle 32-byte vector modes.
988         (return_in_memory_32): Likewise.
989
990 2009-02-21  Richard Sandiford  <rdsandiford@googlemail.com>
991
992         * loop-iv.c (truncate_value): New function.
993         (iv_subreg, get_iv_value, iv_number_of_iterations): Use it instead
994         of lowpart_subreg.
995         (lowpart_subreg): Move to...
996         * emit-rtl.c: ...here.
997
998 2009-02-21  Danny Smith  <dannysmith@users.sourceforge.net>
999
1000         * config/i386/winnt.c (i386_pe_asm_output_aligned_decl_common): Revert
1001         accidental and undocumented change at revision 140860.
1002
1003 2009-02-21  Joseph Myers  <joseph@codesourcery.com>
1004
1005         * config/arm/arm.c (arm_gimplify_va_arg_expr): Update prototype to
1006         take gimple_seq * arguments.
1007         (arm_mangle_type): Use CONST_CAST_TREE on type argument passed to
1008         types_compatible_p langhook.
1009
1010 2009-02-20  Mark Mitchell  <mark@codesourcery.com>
1011             Joseph Myers  <joseph@codesourcery.com>
1012
1013         * config/arm/arm.c (arm_builtin_va_list): New function.
1014         (arm_expand_builtin_va_start): Likewise.
1015         (arm_gimplify_va_arg_expr): Likewise.
1016         (TARGET_BUILD_BUILTIN_VA_LIST): Define.
1017         (TARGET_BUILD_BUILTIN_VA_START): Likewise.
1018         (TARGET_BUILD_BUILTIN_VA_ARG_EXPR): Likewise.
1019         (va_list_type): New variable.
1020         (arm_mangle_type): Mangle va_list_type appropriately.
1021
1022 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
1023
1024         PR middle-end/39157
1025         * Makefile.in (loop-invariant.o): Depend on $(PARAMS_H).
1026         * params.h (LOOP_INVARIANT_MAX_BBS_IN_LOOP): Define.
1027         * params.def (loop-invariant-max-bbs-in-loop): New parameter.
1028         * opts.c (decode_options): Set loop-invariant-max-bbs-in-loop
1029         parameter to 1000 for -O1 by default.
1030         * doc/invoke.texi (loop-invariant-max-bbs-in-loop): Document new
1031         parameter.
1032         * loop-invariant.c: Include params.h.
1033         (move_loop_invariants): Don't call move_single_loop_invariants on
1034         very large loops.
1035
1036 2009-02-20  Jaka Mocnik  <jaka@xlab.si>
1037
1038         * calls.c (emit_library_call_value_1): Use slot_offset instead of
1039         offset when calculating bounds for indexing stack_usage_map.  Fixes
1040         a buffer overflow with certain target setups.
1041
1042 2009-02-20  Jakub Jelinek  <jakub@redhat.com>
1043
1044         PR target/39240
1045         * calls.c (expand_call): Clear try_tail_call if caller and callee
1046         disagree in promotion of function return value.
1047
1048 2009-02-19  Jakub Jelinek  <jakub@redhat.com>
1049
1050         PR target/39175
1051         * c-common.c (c_determine_visibility): If visibility changed and
1052         DECL_RTL has been already set, call make_decl_rtl to update symbol
1053         flags.
1054
1055 2009-02-19  H.J. Lu  <hongjiu.lu@intel.com>
1056
1057         PR c++/39188
1058         * varasm.c (assemble_variable): Don't check DECL_NAME when
1059         globalizing a variable.
1060
1061 2009-02-19  Joseph Myers  <joseph@codesourcery.com>
1062
1063         PR c/38483
1064         * builtins.c (gimplify_va_arg_expr): Evaluate the va_list
1065         expression before any __builtin_trap call.
1066         * c-typeck.c (build_function_call): Convert and check function
1067         arguments before generating a call to a trap.  Evaluate the
1068         function arguments before the trap.
1069
1070 2009-02-19  Uros Bizjak  <ubizjak@gmail.com>
1071
1072         PR target/39228
1073         * config/i386/i386.md (isinfxf2): Split from isinf<mode>2.
1074         (UNSPEC_FXAM_MEM): New unspec.
1075         (fxam<mode>2_i387_with_temp): New insn and split pattern.
1076         (isinf<mode>2): Use MODEF mode iterator.  Force operand[1] through
1077         memory using fxam<mode>2_i387_with_temp to remove excess precision.
1078
1079 2009-02-19  Richard Guenther  <rguenther@suse.de>
1080
1081         PR tree-optimization/39207
1082         PR tree-optimization/39074
1083         * tree-ssa-structalias.c (storedanything_id, var_storedanything,
1084         storedanything_tree): New.
1085         (do_ds_constraint): Simplify ANYTHING shortcutting.  Update
1086         the STOREDANYTHING solution if the lhs solution contains ANYTHING.
1087         (build_succ_graph): Add edges from STOREDANYTHING to all
1088         non-direct nodes.
1089         (init_base_vars): Initialize STOREDANYTHING.
1090         (compute_points_to_sets): Free substitution info after
1091         building the succ graph.
1092         (ipa_pta_execute): Likewise.
1093
1094         * tree-ssa-structalias.c (struct variable_info): Add may_have_pointers
1095         field.
1096         (do_ds_constraint): Do not add to special var or non-pointer
1097         field solutions.
1098         (type_could_have_pointers): Split out from ...
1099         (could_have_pointers): ... here.  For arrays use the element type.
1100         (create_variable_info_for): Initialize may_have_pointers.
1101         (new_var_info): Likewise.
1102         (handle_lhs_call): Make the HEAP variable unknown-sized.
1103         (intra_create_variable_infos): Use a type with pointers for
1104         PARM_NOALIAS, make it unknown-sized.
1105
1106 2009-02-18  H.J. Lu  <hongjiu.lu@intel.com>
1107
1108         PR target/39224
1109         * config/i386/i386.c (ix86_return_in_memory): Properly check ABI.
1110
1111 2009-02-18  Jason Merrill  <jason@redhat.com>
1112
1113         PR target/39179
1114         * tree-ssa-ccp.c (get_symbol_constant_value): Don't assume zero
1115         value if DECL_EXTERNAL.
1116         * tree-sra.c (sra_walk_gimple_assign): Likewise.
1117         * target.h (gcc_target::binds_local_p): Clarify "module".
1118         * tree.h (TREE_PUBLIC): Clarify "module".
1119
1120 2009-02-17  Xuepeng Guo  <xuepeng.guo@intel.com>
1121
1122         PR target/38891
1123         * config/i386/i386.h (CONDITIONAL_REGISTER_USAGE): Move the hunk of
1124         initialization for MS_ABI prior to the hunk of !TARGET_MMX.
1125
1126 2009-02-17  H.J. Lu  <hongjiu.lu@intel.com>
1127
1128         PR target/39082
1129         * c.opt (Wabi): Support C and ObjC.
1130         (Wpsabi): New.
1131
1132         * c-opts.c (c_common_handle_option): Handle OPT_Wabi.
1133
1134         * config/i386/i386.c (classify_argument): Warn once about the ABI
1135         change when passing union with long double.
1136
1137         * doc/invoke.texi: Update -Wabi for warning psABI changes.
1138
1139 2009-02-18  Joseph Myers  <joseph@codesourcery.com>
1140
1141         PR c/35447
1142         * c-parser.c (c_parser_compound_statement): Always enter and leave
1143         a scope.
1144
1145 2009-02-17  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1146
1147         PR target/34587
1148         * config/darwin.h (SUPPORTS_INIT_PRIORITY): Define.
1149
1150 2009-02-18  Jakub Jelinek  <jakub@redhat.com>
1151
1152         PR tree-optimization/36922
1153         * tree-data-ref.c (initialize_matrix_A): Handle BIT_NOT_EXPR.
1154         * tree-scalar-evolution.c (interpret_rhs_expr, instantiate_scev_1):
1155         Likewise.
1156
1157 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1158
1159         * config/mips/mips.c (mips_override_options): Set flag_dwarf2_cfi_asm
1160         to 0 for EABI64.
1161
1162 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1163
1164         * config/mips/mips.md (type): Reclassify lui_movf as "unknown".
1165
1166 2009-02-17  Richard Sandiford  <rdsandiford@googlemail.com>
1167
1168         * config/mips/mips.c (mips_gimplify_va_arg_expr): Fix invalid
1169         tree sharing.
1170
1171 2009-02-17  Ruan Beihong  <ruanbeihong@gmail.com>
1172             Richard Sandiford  <rdsandiford@googlemail.com>
1173
1174         * config/mips/mips.c (CODE_FOR_loongson_biadd): Delete.
1175         * config/mips/loongson.md (reduc_uplus_<mode>): Rename to...
1176         (loongson_biadd): ...this.
1177
1178 2009-02-17  Richard Guenther  <rguenther@suse.de>
1179
1180         PR tree-optimization/39202
1181         * tree-ssa-structalias.c (do_structure_copy): Before collapsing
1182         a var make sure to follow existing collapses.
1183
1184 2009-02-17  Richard Guenther  <rguenther@suse.de>
1185
1186         PR middle-end/39214
1187         * langhooks.c (lhd_print_error_function): Check for NULL block.
1188
1189 2009-02-17  Richard Guenther  <rguenther@suse.de>
1190
1191         PR tree-optimization/39204
1192         * tree-ssa-pre.c (phi_translate_1): Lookup the value-number
1193         of the PHI arg.
1194
1195 2009-02-17  Uros Bizjak  <ubizjak@gmail.com>
1196
1197         * config/soft-fp/double.h: Update from glibc CVS.
1198
1199 2009-02-17  Richard Guenther  <rguenther@suse.de>
1200
1201         PR tree-optimization/39207
1202         * tree-ssa-structalias.c (find_what_p_points_to): Do not emit
1203         strict-aliasing warnings for pointers pointing to NULL.
1204
1205 2009-02-16  Joseph Myers  <joseph@codesourcery.com>
1206
1207         PR c/35446
1208         * c-parser.c (c_parser_braced_init): Call pop_init_level when
1209         skipping until next close brace.
1210
1211 2009-02-16  H.J. Lu  <hongjiu.lu@intel.com>
1212
1213         PR target/37049
1214         * config/i386/i386.c (ix86_expand_push): Set memory alignment
1215         to function argument boundary.
1216
1217 2009-02-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
1218
1219         * config/picochip/picochip.md (lea_add): Allow any nonimmediate
1220         in the lea_add. Reload eventually constraints it properly.
1221         * config/picochip/constraints.md : Remove the target constraint
1222         "b", since it is not needed anymore.
1223
1224 2009-02-16  Jakub Jelinek  <jakub@redhat.com>
1225
1226         * gthr-dce.h: Uglify function parameter and local variable names.
1227         * gthr-gnat.h: Likewise.
1228         * gthr-mipssde.h: Likewise.
1229         * gthr-nks.h: Likewise.
1230         * gthr-posix95.h: Likewise.
1231         * gthr-posix.h: Likewise.
1232         * gthr-rtems.h: Likewise.
1233         * gthr-single.h: Likewise.
1234         * gthr-solaris.h: Likewise.
1235         * gthr-tpf.h: Likewise.
1236         * gthr-vxworks.h: Likewise.
1237         * gthr-win32.h: Likewise.
1238
1239 2009-02-15  H.J. Lu  <hongjiu.lu@intel.com>
1240
1241         PR target/39196
1242         * config/i386/i386.md: Restrict the new peephole2 to move
1243         between MMX/SSE registers.
1244
1245 2009-02-15  Richard Guenther  <rguenther@suse.de>
1246
1247         Revert
1248         2009-02-13  Richard Guenther  <rguenther@suse.de>
1249
1250         * configure.ac: Enable LFS.
1251         * configure: Re-generate.
1252         * config.in: Likewise.
1253
1254 2009-02-13  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1255
1256         * config/spu/spu_internals.h (spu_sr, spu_sra, spu_srqw,
1257         spu_srqwbyte, spu_srqwbytebc): Define.
1258         * config/spu/spu-builtins.def (spu_sr, spu_sra, spu_srqw,
1259         spu_srqwbyte, spu_srqwbytebc): New overloaded builtins.
1260         * config/spu/spu.md ("shrqbybi_<mode>", "shrqbi_<mode>",
1261         "shrqby_<mode>"): New insn-and-split patterns.
1262         * config/spu/spu.c (expand_builtin_args): Determine and return
1263         number of operands using spu_builtin_description data.
1264         (spu_expand_builtin_1): Use it.
1265
1266 2009-02-13  Steve Ellcey  <sje@cup.hp.com>
1267
1268         PR target/38056
1269         * config/ia64/ia64.c (ia64_function_ok_for_sibcall): Check
1270         TARGET_CONST_GP.
1271
1272 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1273
1274         PR target/39149
1275         * config/i386/i386.c (override_options): Correct warning
1276         messages for -malign-loops, -malign-jumps and -malign-functions.
1277
1278 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1279
1280         PR target/39152
1281         * config/i386/i386.md: Restrict the new peephole2 to move
1282         between the general purpose registers.
1283
1284 2009-02-13  H.J. Lu  <hongjiu.lu@intel.com>
1285
1286         PR target/39162
1287         * config/i386/i386.c (type_natural_mode): Add a new argument.
1288         Return the original mode and warn ABI change if vector size is 32byte.
1289         (function_arg_advance): Updated.
1290         (function_arg): Likewise.
1291         (ix86_function_value): Likewise.
1292         (ix86_return_in_memory): Likewise.
1293         (ix86_sol10_return_in_memory): Likewise.
1294         (ix86_gimplify_va_arg): Likewise.
1295         (function_arg_32): Don't warn ABX ABI change here.
1296         (function_arg_64): Likewise.
1297
1298 2009-02-13  Bernd Schmidt  <bernd.schmidt@analog.com>
1299
1300         * loop-iv.c (implies_p): In the final case, test that operands 0
1301         of the two comparisons match.
1302
1303         * config/bfin/bfin.c (find_prev_insn_start): New function.
1304         (bfin_optimize_loop): Use it in some cases instead of PREV_INSN.
1305         (find_next_insn_start): Move.
1306
1307 2009-02-13  Richard Guenther  <rguenther@suse.de>
1308
1309         * configure.ac: Enable LFS.
1310         * configure: Re-generate.
1311         * config.in: Likewise.
1312
1313 2009-02-13  Joseph Myers  <joseph@codesourcery.com>
1314
1315         PR c/35444
1316         * c-parser.c (c_parser_parms_list_declarator): Discard pending
1317         sizes on syntax error after some arguments have been parsed.
1318
1319 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1320
1321         * doc/invoke.texi (-fira): Remove.
1322
1323 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1324
1325         * caller-save.c: Replace regclass.c with reginfo.c in comments.
1326         * recog.c: Likewise.
1327         * rtl.h: Likewise.
1328
1329 2009-02-12  Uros Bizjak  <ubizjak@gmail.com>
1330
1331         * longlong.h (sub_ddmmss): New for ia64. Ported from GMP 4.2.
1332         (umul_ppmm): Likewise.
1333         (count_leading_zeros): Likewise.
1334         (count_trailing_zeros): Likewise.
1335         (UMUL_TIME): Likewise.
1336
1337 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1338
1339         * config.gcc (ia64*-*-linux*): Add ia64/t-fprules-softfp and
1340         soft-fp/t-softfp to tmake_file.
1341
1342         * config/ia64/ia64.c (ia64_soft_fp_init_libfuncs): New.
1343         (ia64_expand_compare): Use HPUX library for TFmode only for HPUX.
1344         (ia64_builtins) [IA64_BUILTIN_COPYSIGNQ, IA64_BUILTIN_FABSQ,
1345         IA64_BUILTIN_INFQ]: New.
1346         (ia64_init_builtins): Initialize __builtin_infq,
1347         __builtin_fabsq and __builtin_copysignq if not HPUX.
1348         (ia64_expand_builtin): Handle IA64_BUILTIN_COPYSIGNQ,
1349         IA64_BUILTIN_FABSQ and IA64_BUILTIN_INFQ.
1350
1351         * config/ia64/lib1funcs.asm (__divtf3): Define only if
1352         SHARED is defined.
1353         (__fixtfti): Likewise.
1354         (__fixunstfti): Likewise.
1355         (__floattitf): Likewise.
1356
1357         * config/ia64/libgcc-glibc.ver: New.
1358         * config/ia64/t-fprules-softfp: Likewise.
1359         * config/ia64/sfp-machine.h: Likewise.
1360
1361         * config/ia64/linux.h (LIBGCC2_HAS_TF_MODE): New.
1362         (LIBGCC2_TF_CEXT): Likewise.
1363         (TF_SIZE): Likewise.
1364         (TARGET_INIT_LIBFUNCS): Likewise.
1365
1366         * config/ia64/t-glibc (SHLINB_MAPFILES):
1367         Add $(srcdir)/config/ia64/libgcc-glibc.ver.
1368
1369 2009-02-12  H.J. Lu  <hongjiu.lu@intel.com>
1370
1371         * config/i386/i386.c (construct_container): Rewrite processing
1372         BLKmode with X86_64_SSE_CLASS.
1373
1374 2009-02-12  Paolo Bonzini  <bonzini@gnu.org>
1375
1376         PR target/39152
1377         * config/i386/i386.md: Replace simplify_replace_rtx with
1378         replace_rtx in the new peephole2.
1379
1380 2009-02-12  Nathan Sidwell  <nathan@codesourcery.com>
1381
1382         * doc/invoke.texi (Optimize Options): Stop claiming inlining and
1383         loop unrolling do not happen at -O2.
1384
1385 2009-02-12  Michael Matz  <matz@suse.de>
1386
1387         * gcc.c (ASM_DEBUG_SPEC): Check for -g0.
1388
1389 2009-02-12  Jakub Jelinek  <jakub@redhat.com>
1390
1391         * dwarf2out.c (dwarf2out_finish): Force output of comp_unit_die
1392         for -g3.
1393
1394 2009-02-12  Ben Elliston  <bje@au.ibm.com>
1395
1396         * config/rs6000/rs6000.md (allocate_stack): Use _stack form of
1397         patterns when updating the back chain.  Missed in the 2009-02-10
1398         change.
1399
1400 2009-02-11  Janis Johnson  <janis187@us.ibm.com>
1401
1402         * doc/extend.texi (Decimal Floating Types): Update identifier of
1403         draft TR and list of missing support.
1404
1405 2009-02-11  Jakub Jelinek  <jakub@redhat.com>
1406
1407         PR middle-end/39154
1408         * gimplify.c (omp_notice_variable): If adding GOVD_SEEN
1409         bit to variable length decl's flags, add it also to its
1410         pointer replacement variable.
1411
1412 2009-02-11  Uros Bizjak  <ubizjak@gmail.com>
1413             Jakub Jelinek  <jakub@redhat.com>
1414
1415         PR target/39118
1416         * config/i386/i386.md (UNSPEC_MEMORY_BLOCKAGE): New constant.
1417         (memory_blockage): New expander.
1418         (*memory_blockage): New insn pattern.
1419         * config/i386/i386.c (ix86_expand_prologue): Use memory_blockage
1420         instead of general blockage at the end of function prologue when
1421         frame pointer is used to access red zone area.  Do not emit blockage
1422         when profiling, it is emitted in generic code.
1423         (ix86_expand_epilogue): Emit memory_blockage at the beginning of
1424         function epilogue when frame pointer is used to access red zone area.
1425
1426 2009-02-11  Paolo Bonzini  <bonzini@gnu.org>
1427
1428         PR target/38824
1429         * config/i386/i386.md: Add two new peephole2 to avoid mov followed
1430         by arithmetic with memory operands.
1431         * config/i386/predicates.md (commutative_operator): New.
1432
1433 2009-02-10  Janis Johnson  <janis187@us.ibm.com>
1434
1435         * doc/extend.texi (Fixed-Point Types): Break long paragraphs into
1436         bulleted lists.
1437
1438 2009-02-10  Eric Botcazou  <ebotcazou@adacore.com>
1439
1440         * alias.h (record_alias_subset): Declare.
1441         * alias.c (record_alias_subset): Make global.
1442
1443 2009-02-10  Nick Clifton  <nickc@redhat.com>
1444
1445         * tree-parloops.c: Change license to GPLv3.
1446         * ipa-struct-reorg.c: Change license to GPLv3.
1447         * ipa-struct-reorg.h: Change license to GPLv3.
1448
1449 2009-02-10  Steve Ellcey  <sje@cup.hp.com>
1450
1451         PR c/39084
1452         * c-decl.c (start_struct): Return NULL on error.
1453
1454 2009-02-10  Jakub Jelinek  <jakub@redhat.com>
1455
1456         PR middle-end/39124
1457         * cfgloopmanip.c (remove_path): Call remove_bbs after
1458         cancel_loop_tree, not before it.
1459
1460         PR target/39139
1461         * function.h (struct function): Add has_local_explicit_reg_vars bit.
1462         * gimplify.c (gimplify_bind_expr): Set it if local DECL_HARD_REGISTER
1463         VAR_DECLs were seen.
1464         * tree-ssa-live.c (remove_unused_locals): Recompute
1465         cfun->has_local_explicit_reg_vars.
1466         * tree-ssa-sink.c (statement_sink_location): Don't sink BLKmode
1467         copies or clearings if cfun->has_local_explicit_reg_vars.
1468
1469 2009-02-10  Uros Bizjak  <ubizjak@gmail.com>
1470
1471         PR target/39118
1472         * config/i386/i386.c (expand_prologue): Emit blockage at the end
1473         of function prologue when frame pointer is used to access
1474         red zone area.
1475
1476 2009-02-10  Richard Guenther  <rguenther@suse.de>
1477
1478         PR middle-end/39127
1479         * gimplify.c (gimple_regimplify_operands): Always look if
1480         we need to create a temporary.
1481
1482 2009-02-10  Richard Guenther  <rguenther@suse.de>
1483
1484         PR tree-optimization/39132
1485         * tree-loop-distribution.c (todo): New global var.
1486         (generate_memset_zero): Trigger TODO_rebuild_alias.
1487         (tree_loop_distribution): Return todo.
1488
1489 2009-02-10  H.J. Lu  <hongjiu.lu@intel.com>
1490
1491         PR target/39119
1492         * config/i386/i386.c (x86_64_reg_class): Remove X86_64_AVX_CLASS.
1493         (x86_64_reg_class_name): Removed.
1494         (classify_argument): Return 0 if bytes > 32.  Return 0 if the
1495         first one isn't X86_64_SSE_CLASS or any other ones aren't
1496         X86_64_SSEUP_CLASS when size > 16bytes.  Don't turn
1497         X86_64_SSEUP_CLASS into X86_64_SSE_CLASS if the preceded one
1498         is X86_64_SSEUP_CLASS.  Set AVX modes to 1 X86_64_SSE_CLASS
1499         and 3 X86_64_SSEUP_CLASS.
1500         (construct_container): Remove X86_64_AVX_CLASS.  Handle 4
1501         registers with 1 X86_64_SSE_CLASS and 3 X86_64_SSEUP_CLASS.
1502
1503 2009-02-10  Ben Elliston  <bje@au.ibm.com>
1504
1505         * config/rs6000/rs6000.md (allocate_stack): Always use an update
1506         form instruction to update the stack back chain word, even if the
1507         user has disabled the generation of update instructions.
1508         (movdi_<mode>_update_stack): New.
1509         (movsi_update_stack): Likewise.
1510         * config/rs6000/rs6000.c (rs6000_emit_allocate_stack): Likewise,
1511         always use an update form instruction to update the stack back
1512         chain word.
1513
1514 2009-02-09  Sebastian Pop  <sebastian.pop@amd.com>
1515
1516         PR middle-end/38953
1517         * graphite.c (if_region_set_false_region): After moving a region in
1518         the false branch of a condition, remove the empty dummy basic block.
1519         (gloog): Remove wrong fix for PR38953.
1520
1521 2009-02-09  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
1522
1523         * config/spu/spu.c (array_to_constant): Fix (latent) wrong-code
1524         generation due to implicit sign extension.
1525
1526 2009-02-09  Eric Botcazou  <ebotcazou@adacore.com>
1527
1528         PR middle-end/38981
1529         * tree-ssa-coalesce.c (add_coalesce): Cap the costs of coalesce pairs
1530         at MUST_COALESCE_COST-1 instead of MUST_COALESCE_COST.
1531
1532 2009-02-09  Richard Guenther  <rguenther@suse.de>
1533
1534         PR middle-end/35202
1535         * convert.c (convert_to_real): Disable (float)fn((double)x)
1536         to fnf(x) conversion if errno differences may occur and
1537         -fmath-errno is set.
1538
1539 2009-02-07  Anatoly Sokolov  <aesok@post.ru>
1540
1541         * config/avr/avr.c (avr_mcu_t): Add ata6289 device.
1542         * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1543         * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1544
1545 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1546
1547         PR c/35434
1548         * c-common.c (handle_alias_attribute): Disallow attribute for
1549         anything not a FUNCTION_DECL or VAR_DECL.
1550
1551 2009-02-06  Janis Johnson  <janis187@us.ibm.com>
1552
1553         PR c/39035
1554         * real.c (do_compare): Special-case compare of zero against
1555         decimal float value.
1556
1557 2009-02-06  Joseph Myers  <joseph@codesourcery.com>
1558
1559         PR c/36432
1560         * c-decl.c (grokdeclarator): Don't treat [] declarators in fields
1561         as indicating flexible array members unless the field itself is
1562         being declarared as the incomplete array.
1563
1564 2009-02-06  Jan Hubicka  <jh@suse.cz>
1565
1566         PR tree-optimization/38844
1567         * ipa-inline.c (try_inline): Stop inlining recursion when edge
1568         is already inlined.
1569
1570 2009-02-06  Richard Guenther  <rguenther@suse.de>
1571
1572         PR middle-end/38977
1573         * tree-cfg.c (need_fake_edge_p): Force a fake edge for
1574         fork because we may expand it as __gcov_fork.
1575
1576 2009-02-06  Nick Clifton  <nickc@redhat.com>
1577
1578         * config/m32c/m32c.h (PCC_BITFIELD_TYPE_MATTERS): Define to zero.
1579
1580 2009-02-06  Paolo Bonzini  <bonzini@gnu.org>
1581
1582         PR tree-optimization/35659
1583         * tree-ssa-sccvn.c (vn_constant_eq, vn_reference_eq, vn_nary_op_eq
1584         vn_phi_eq): Shortcut if hashcode does not match.
1585         (vn_reference_op_compute_hash): Do not call iterative_hash_expr for
1586         NULL operands.
1587         * tree-ssa-pre.c (pre_expr_hash): Look at hashcode if available,
1588         and avoid iterative_hash_expr.
1589         (FOR_EACH_VALUE_ID_IN_SET): New.
1590         (value_id_compare): Remove.
1591         (sorted_array_from_bitmap_set): Use FOR_EACH_VALUE_ID_IN_SET to
1592         sort expressions by value id.
1593
1594 2009-02-05  Kaz Kojima  <kkojima@gcc.gnu.org>
1595
1596         PR target/38991
1597         * config/sh/predicates.md (general_movsrc_operand): Don't check
1598         the subreg of system registers here.
1599
1600 2009-02-05  Jakub Jelinek  <jakub@redhat.com>
1601
1602         PR c++/39106
1603         * cgraphunit.c (cgraph_function_versioning): Clear also DECL_VIRTUAL_P
1604         on the copied decl.
1605
1606 2009-02-05  Paolo Bonzini  <bonzini@gnu.org>
1607
1608         PR rtl-optimization/39110
1609         * rtlanal.c (rtx_addr_can_trap_p_1): Shortcut unaligned
1610         addresses, not aligned ones.
1611
1612 2009-02-05  Daniel Berlin  <dberlin@dberlin.org>
1613             Richard Guenther  <rguenther@suse.de>
1614
1615         PR tree-optimization/39100
1616         * tree-ssa-structalias.c (do_ds_constraint): Actually do what the
1617         comment says and add edges.
1618
1619 2009-02-05  Joseph Myers  <joseph@codesourcery.com>
1620
1621         PR c/35435
1622         * c-common.c (handle_tls_model_attribute): Ignore attribute for
1623         non-VAR_DECLs without checking DECL_THREAD_LOCAL_P.
1624
1625 2009-02-04  Tobias Grosser  <grosser@fim.uni-passau.de> 
1626
1627         * graphite.c (bb_in_sese_p, sese_build_livein_liveouts_use,
1628         sese_build_livein_liveouts_bb, sese_build_livein_liveouts,
1629         register_bb_in_sese, new_sese, free_sese): Moved.
1630         (dot_scop_1, build_scop_loop_nests, build_loop_iteration_domains,
1631         outermost_loop_in_scop, build_scop_iteration_domain,
1632         expand_scalar_variables_ssa_name, get_vdef_before_scop,
1633         limit_scops): Use bb_in_sese_p instead of bb_in_scop_p.
1634         Use loop_in_sese_p instead of loop_in_scop_p.
1635         (new_graphite_bb, gloog): Do not initialize SCOP_BBS_B.
1636         (new_scop, free_scop): Remove SCOP_LOOP2CLOOG_LOOP and SCOP_BBS_B.
1637         (scopdet_basic_block_info): Fix bug in scop detection.
1638         (new_loop_to_cloog_loop_str, hash_loop_to_cloog_loop,
1639         eq_loop_to_cloog_loop): Remove.
1640         (nb_loops_around_loop_in_scop, nb_loop
1641         ref_nb_loops): Moved here...
1642         * graphite.h (ref_nb_loops): ... from here.
1643         (struct scop): Remove bbs_b bitmap and loop2cloog_loop.
1644         (loop_domain_dim, loop_iteration_vector_dim): Remove.
1645         (SCOP_BBS_B, bb_in_scop_p, loop_in_scop_p): Removed.
1646         * testsuite/gcc.dg/graphite/scop-19.c: New
1647
1648 2009-02-04  Paolo Bonzini  <bonzini@gnu.org>
1649             Hans-Peter Nilsson  <hp@axis.com>
1650
1651         PR rtl-optimization/37889
1652         * rtlanal.c (rtx_addr_can_trap_p_1): Add offset and size arguments.
1653         Move offset handling from PLUS to before the switch.  Use new
1654         arguments when considering SYMBOL_REFs too.
1655         (rtx_addr_can_trap_p): Pass dummy offset and size.
1656         (enum may_trap_p_flags): Remove.
1657         (may_trap_p_1): Pass size from MEM_SIZE.
1658
1659         PR rtl-optimization/38921
1660         * loop-invariant.c (find_invariant_insn): Use may_trap_or_fault_p.
1661         * rtl.h (may_trap_after_code_motion_p): Delete prototype.
1662         * rtlanal.c (may_trap_after_code_motion_p): Delete.
1663         (may_trap_p, may_trap_or_fault_p): Pass 0/1 as flags.
1664
1665 2009-02-04  H.J. Lu  <hongjiu.lu@intel.com>
1666
1667         AVX Programming Reference (January, 2009)
1668         * config/i386/sse.md (*vpclmulqdq): New.
1669
1670 2009-02-04  Jakub Jelinek  <jakub@redhat.com>
1671
1672         PR tree-optimization/38977
1673         PR gcov-profile/38292
1674         * calls.c (special_function_p): Disregard __builtin_ prefix.
1675
1676 2009-02-04  Hariharan Sandanagobalane  <hariharan@picochip.com>
1677
1678         * config/picochip/picochip.c (GO_IF_LEGITIMATE_ADDRESS): Disallow
1679         non-indexable addresses even before reload.
1680
1681 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1682
1683         PR c/29129
1684         * c-decl.c (grokdeclarator): Mark [*] arrays in field declarators
1685         as having variable size.  Do not give an error for unnamed
1686         parameters with [*] declarators.  Give a warning for type names
1687         with [*] declarators and mark them as variable size.
1688         * c-parser.c (c_parser_sizeof_expression): Do not give an error
1689         for sizeof applied to [*] type names.
1690
1691 2009-02-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1692
1693         PR C++/36607
1694         * convert.c (convert_to_integer): Treat OFFSET_TYPE like INTEGER_TYPE.
1695
1696 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1697
1698         * gcc.c (process_command): Update copyright notice dates.
1699         * gcov.c (print_version): Likewise.
1700         * gcov-dump.c (print_version): Likewise.
1701         * mips-tfile.c (main): Likewise.
1702         * mips-tdump.c (main): Likewise.
1703
1704 2009-02-03  Joseph Myers  <joseph@codesourcery.com>
1705
1706         PR c/35433
1707         * c-typeck.c (composite_type): Set TYPE_SIZE and TYPE_SIZE_UNIT
1708         for composite type involving a zero-length array type.
1709
1710 2009-02-03  Jakub Jelinek  <jakub@redhat.com>
1711
1712         PR target/35318
1713         * function.c (match_asm_constraints_1): Skip over
1714         initial optional % in the constraint.
1715
1716         PR inline-asm/39059
1717         * c-parser.c (c_parser_postfix_expression): If fixed point is not
1718         supported, don't accept FIXED_CSTs.
1719         * c-decl.c (finish_declspecs): Error if fixed point is not supported
1720         and _Sat is used without _Fract/_Accum.  Set specs->type to
1721         integer_type_node for cts_fract/cts_accum if fixed point is not
1722         supported.
1723
1724 2009-02-02  Catherine Moore  <clm@codesourcery.com>
1725
1726         * sde.h (SUBTARGET_ARM_SPEC): Don't assemble -fpic code as -mabicalls.
1727
1728 2009-02-02  Richard Sandiford  <rdsandiford@googlemail.com>
1729
1730         * config/mips/mips.h (FILE_HAS_64BIT_SYMBOLS): New macro.
1731         (ABI_HAS_64BIT_SYMBOLS): Use it.
1732         (DWARF2_ADDR_SIZE): Use it instead of ABI_HAS_64BIT_SYMBOLS.
1733
1734 2009-02-02  Paul Brook  <paul@codesourcery.com>
1735
1736         * config/arm/arm.md (arm_addsi3): Add r/r/k alternative.
1737
1738 2009-02-02  Jakub Jelinek  <jakub@redhat.com>
1739
1740         PR inline-asm/39058
1741         * recog.h (asm_operand_ok): Add constraints argument.
1742         * recog.c (asm_operand_ok): Likewise.  If it is set, for digits
1743         recurse on matching constraint.
1744         (check_asm_operands): Pass constraints as 3rd argument to
1745         asm_operand_ok.  Don't look up matching constraint here.
1746         * stmt.c (expand_asm_operands): Pass NULL as 3rd argument
1747         to asm_operand_ok.
1748
1749 2009-02-02  Ben Elliston  <bje@au.ibm.com>
1750
1751         * doc/tm.texi (Storage Layout): Fix TARGET_ALIGN_ANON_BITFIELD and
1752         TARGET_NARROW_VOLATILE_BITFIELD macro names.
1753
1754 2009-01-31  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1755
1756         * doc/install.texi (hppa*-hp-hpux*): Update binutils and linker
1757         information.  Remove some obsolete information.  Reorganize.
1758
1759         * config/pa/fptr.c: Revert license to GPL 2.
1760         * config/pa/milli64.S: Likewise.
1761
1762 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1763
1764         PR target/38904
1765         * mkmap-flat.awk (END):  Use pe_dll command-line arg to pass
1766         LIBRARY name in, instead of hard-coding it.
1767         * config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*):  Add an
1768         extra target make frag to tmake_files according to EH model.
1769         (i[34567]86-*-mingw* | x86_64-*-mingw*):  Likewise.
1770         * config/i386/t-dw2-eh, config/i386/t-sjlj-eh:  Add new target
1771         frags that define makefile variable EH_MODEL appropriately.
1772         * config/i386/cygming.h (DWARF2_UNWIND_INFO):  Add comment.
1773         * config/i386/cygwin.h (LIBGCC_EH_EXTN):  Define to nothing or
1774         to "-sjlj" according to type of EH configured.
1775         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1776         * config/i386/mingw32.h (LIBGCC_EH_EXTN):  Define to "_dw2" or
1777         to "_sjlj" according to type of EH configured.
1778         (LIBGCC_SONAME):  Concatenate it to shared library base name.
1779         * config/i386/t-cygming (SHLIB_SONAME):  Use EH_MODEL.
1780         (SHLIB_LINK):  Add missing semicolon to if-else construct.
1781         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1782         string value of "pe_dll" command-line option.
1783         * config/i386/t-cygwin (SHLIB_EH_EXTENSION):  New helper.
1784         (SHLIB_SONAME):  Use it when overriding t-cygming default.
1785         (SHLIB_IMPLIB):  Override t-cygming default.
1786         (SHLIB_MKMAP_OPTS):  Pass library name to mkmap-flat.awk as
1787         string value of "pe_dll" command-line option.
1788
1789 2009-01-31  Dave Korn  <dave.korn.cygwin@gmail.com>
1790
1791         PR target/38952
1792         * config/i386/i386.c (ix86_builtin_setjmp_frame_value): New.
1793         (TARGET_BUILTIN_SETJMP_FRAME_VALUE): Override default to point at it.
1794
1795 2009-01-31  Richard Guenther  <rguenther@suse.de>
1796
1797         PR tree-optimization/38937
1798         * tree-ssa-structalias.c (do_sd_constraint): Do not shortcut
1799         computing the transitive closure.
1800
1801 2009-01-30  Richard Guenther  <rguenther@suse.de>
1802
1803         PR tree-optimization/39041
1804         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
1805         Propagate variable indices only if the types match for this stmt.
1806
1807 2009-01-30  Jakub Jelinek  <jakub@redhat.com>
1808
1809         PR target/39013
1810         * c-decl.c (pop_scope): Set DECL_EXTERNAL for functions declared
1811         inline but never defined.
1812
1813 2009-01-30  Wolfgang Gellerich  <gellerich@de.ibm.com>
1814
1815         * config/s390/s390.md (*insv<mode>_reg_extimm): Removed.
1816         (*insv_h_di_reg_extimm): New insn.
1817         (*insv_l<mode>_reg_extimm): New insn.
1818
1819 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1820
1821         * config/picochip/picochip.c (flag_conserve_stack): set
1822         PARAM_LARGE_STACK_FRAME and PARAM_STACK_FRAME_GROWTH to zero under
1823         fconserve-stack. Reduce call-overhead used by inliner.
1824
1825 2009-01-30  Hariharan Sandanagobalane  <hariharan@picochip.com>
1826
1827         PR/38157
1828         * common.opt (flag_conserve_stack): Initialised to zero.
1829
1830 2009-01-30  Kai Tietz  <kai.tietz@onevision.com>
1831
1832         PR/39002
1833         * config/i386/i386.c (ix86_can_use_return_insn_p): Check for nsseregs.
1834         (ix86_expand_epilogue): Take nsseregs in account to use proper restore
1835         method.
1836
1837 2009-01-29  H.J. Lu  <hongjiu.lu@intel.com>
1838
1839         * ira-color.c (allocno_reload_assign): Update comments.
1840         * regmove.c (regmove_optimize): Likewise.
1841
1842         * ra.h: Removed.
1843
1844 2009-01-29  Robert Millan  <rmh@aybabtu.com>
1845
1846         * gcc/config.gcc: Recognize GNU/kOpenSolaris (*-*-kopensolaris*-gnu).
1847         * gcc/config/i386/kopensolaris-gnu.h: New file.  Undefine
1848         `MD_UNWIND_SUPPORT'.
1849         * gcc/config/kopensolaris-gnu.h: New file (based on kfreebsd-gnu.h).
1850
1851 2009-01-29  Kazu Hirata  <kazu@codesourcery.com>
1852
1853         PR tree-optimization/39007
1854         * tree-loop-distribution.c (generate_builtin): Use
1855         recompute_dominator to compute the immediate dominator of the
1856         basic block just after the loop.
1857
1858 2009-01-29  Rainer Orth  <ro@TechFak.Uni-Bielefeld.DE>
1859
1860         * config/i386/sol2-10.h [!HAVE_AS_IX86_DIFF_SECT_DELTA]
1861         (ASM_OUTPUT_DWARF_PCREL): Define.
1862
1863 2009-01-29  Vladimir Makarov  <vmakarov@redhat.com>
1864
1865         * doc/tm.texi (TARGET_IRA_COVER_CLASSES): Modify description.
1866         * doc/passes.texi: Remove entries about regclass, local-alloc, and
1867         global.  Modify entries about regmove and IRA.
1868
1869         * ra-conflict.c: Remove the file.
1870
1871         * reload.c (push_reload, find_dummy_reload): Remove flag_ira.
1872
1873         * tree-pass.h (pass_local_alloc, pass_global_alloc): Remove.
1874         (pass_regclass_init): Rename to pass_reginfo_init.
1875
1876         * cfgloopanal.c (estimate_reg_pressure_cost): Remove flag_ira.
1877
1878         * toplev.h (flag_ira): Remove.
1879
1880         * caller-save.c (setup_save_areas): Remove flag_ira.
1881
1882         * ira-color.c (ira_reuse_stack_slot, ira_mark_new_stack_slot): Ditto.
1883
1884         * global.c: Remove the file.
1885
1886         * opts.c: (decode_options): Remove flag_ira.
1887
1888         * hard-reg-set.h (losing_caller_save_reg_set): Remove.
1889
1890         * regmove.c: Modify file description.
1891         (find_use_as_address, try_auto_increment): Define them only if
1892         AUTO_INC_DEC is defined.
1893         (replacement_quality, replace_in_call_usage, fixup_match_1,
1894         stable_and_no_regs_but_for_p): Remove.
1895         (reg_set_in_bb): Make it static.
1896         (regmove_optimize): Remove flag_ira and code which worked for
1897         !flag_ira.
1898
1899         * local-alloc.c: Remove the file.
1900
1901         * common.opt (fira): Remove.
1902
1903         * ira.c: Include except.h.
1904         (eliminable_regset): Move from global.c.
1905         (mark_elimination): Ditto.  Remove flag_ira.
1906         (reg_renumber, struct equivalence, reg_equiv, equiv_mem,
1907         equiv_mem_modified, validate_equiv_mem_from_store,
1908         validate_equiv_mem, equiv_init_varies_p, equiv_init_movable_p,
1909         contains_replace_regs, memref_referenced_p, memref_used_between_p,
1910         no_equiv, recorded_label_ref): Move from local-alloc.c.
1911         (update_equiv_regs): Ditto.  Make it static.
1912         (print_insn_chain, print_insn_chains): Move it from global.c.
1913         (pseudo_for_reload_consideration_p): Ditto.  Remove flag_ira.
1914         (build_insn_chain): Ditto.  Make it static.
1915         (ra_init_live_subregs): Move from ra-conflict.c.  Make it static.
1916         Rename to init_live_subregs.
1917         (gate_ira): Remove flag_ira.
1918
1919         * regclass.c: Rename reginfo.c.  Change file description.
1920         (FORBIDDEN_INC_DEC_CLASSES): Remove.
1921         (reg_class_superclasses, forbidden_inc_dec_class, in_inc_dec): Remove.
1922         (init_reg_sets_1): Remove code for evaluation of
1923         reg_class_superclasses and losing_caller_save_reg_set.
1924         (init_regs): Remove init_reg_autoinc.
1925         (struct costs, costs, init_cost, ok_for_index_p_nonstrict,
1926         ok_for_base_p_nonstrict): Remove.
1927         (regclass_init): Rename to reginfo_init.  Don't initialize init_cost.
1928         (pass_regclass_init): Rename to pass_reginfo_init.  Modify
1929         corresponding entries.
1930         (dump_regclass, record_operand_costs, scan_one_insn,
1931         init_reg_autoinc, regclass, record_reg_classes, copy_cost,
1932         record_address_regs, auto_inc_dec_reg_p): Remove.
1933         (gt-regclass.h): Rename to gt-reginfo.h.
1934
1935         * rtl.h (dump_global_regs, retry_global_alloc,
1936         build_insn_chain, dump_local_alloc, update_equiv_regs): Remove.
1937
1938         * Makefile.in (RA_H): Remove.
1939         (OBJS-common): Remove global.o, local-alloc.o, and ra-conflict.o.
1940         Rename regclass.o to reginfo.o.
1941         (regclass.o): Rename to reginfo.o.  Rename gt-regclass.h to
1942         gt-reginfo.h.
1943         (global.o, local-alloc.o, ra-conflict.o): Remove entries.
1944         (GTFILES): Rename regclass.c to reginfo.c.
1945
1946         * passes.c (init_optimization_passes): Remove pass_local_alloc and
1947         pass_global_alloc.  Rename pass_regclass_init to pass_reginfo_init.
1948
1949         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
1950         count_spilled_pseudo, find_reg, alter_reg, delete_output_reload):
1951         Remove flag_ira.
1952         (finish_spills): Ditto.  Remove code for !flag_ira.
1953         
1954 2009-01-29  Kenneth Zadeck  <zadeck@naturalbridge.com>
1955
1956         PR middle-end/35854
1957         * doc/invoke.texi (rtl debug options): Complete rewrite.
1958         * auto-inc-dec.c (pass_inc_dec): Rename pass from "auto-inc-dec"
1959         to auto_inc_dec".
1960         * mode-switching.c (pass_mode_switching): Rename pass from
1961         "mode-sw" to "mode_sw".
1962         * except.c (pass_convert_to_eh_ranges): Rename pass from
1963         "eh-ranges" to "eh_ranges".
1964         * lower-subreg.c (pass_lower_subreg): Renamed pass from "subreg"
1965         to "subreg1".
1966                 
1967         
1968 2009-01-29  Andrey Belevantsev  <abel@ispras.ru>
1969             Alexander Monakov  <amonakov@ispras.ru>
1970
1971         PR middle-end/38857
1972         * sel-sched.c (count_occurrences_1): Check that *cur_rtx is a hard
1973         register.
1974         (move_exprs_to_boundary): Change return type and pass through
1975         should_move from move_op.  Relax assert.  Update usage ...
1976         (schedule_expr_on_boundary): ... here.  Use should_move instead of
1977         cant_move.
1978         (move_op_orig_expr_found): Indicate that insn was disconnected from
1979         stream.
1980         (code_motion_process_successors): Do not call after_merge_succs
1981         callback if original expression was not found when traversing any of
1982         the branches.
1983         (code_motion_path_driver): Change return type.  Update prototype.
1984         (move_op): Update comment.  Add a new parameter (should_move).  Update
1985         prototype.  Set *should_move based on indication provided by
1986         move_op_orig_expr_found.
1987
1988 2009-01-28  Pat Haugen  <pthaugen@us.ibm.com>
1989
1990         * doc/invoke.texi (avoid-indexed-addresses): Document new option.
1991         * config/rs6000/rs6000-protos.h (avoiding_indexed_address_p): Declare.
1992         * config/rs6000/rs6000.opt (avoid-indexed-addresses): New option.
1993         * config/rs6000/rs6000.c (rs6000_override_options): Default
1994         avoid-indexed-addresses on for Power6, off for everything else.
1995         (avoiding_indexed_address_p): New function.
1996         (rs6000_legitimize_address): Use it.
1997         (rs6000_legitimate_address): Likewise.
1998         * config/rs6000/rs6000.md (movXX_updateX): Likewise
1999
2000 2009-01-28  Kazu Hirata  <kazu@codesourcery.com>
2001
2002         PR tree-optimization/38997
2003         * tree-loop-distribution.c (generate_memset_zero): Use
2004         POINTER_PLUS_EXPR for a pointer addition.
2005
2006 2009-01-28  Andreas Krebbel  <krebbel1@de.ibm.com>
2007
2008         * config/s390/s390.md (bswap<mode>2): New pattern added.
2009
2010 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2011
2012         * config/s390/s390.md (*tls_load_31): Added type attribute.
2013
2014 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2015
2016         * config/s390/s390.md: Fix a few comments.
2017
2018 2009-01-28  Wolfgang Gellerich  <gellerich@de.ibm.com>
2019
2020         * config/s390/s390.md (*tmsi_reg): Fixed z10prop attribute.
2021         (*tm<mode>_full): Fixed z10prop attribute.
2022         (*tst<mode>_extimm): Fixed z10prop attribute.
2023         (*tst<mode>_cconly_extimm): Fixed z10prop attribute.
2024         (*tstqiCCT_cconly): Fixed z10prop attribute.
2025         (*cmpsi_ccu_zerohi_rlsi): Fixed z10prop attribute.
2026         (*movsi_larl): Fixed z10prop attribute.
2027         (*movsi_zarch): Fixed z10prop attribute.
2028         (*movsi_eas): Fixed z10prop attribute.
2029         (*movhi): Fixed z10prop attribute.
2030         (*movqi): Fixed z10prop attribute.
2031         (*movstrictqi): Fixed z10prop attribute.
2032         (*mov<mode>): Fixed z10prop attribute.
2033         (*movcc): Fixed z10prop attribute.
2034         (*sethighpartdi_64): Fixed z10prop attribute.
2035         (*zero_extendhi<mode>2_z10): Fixed z10prop attribute.
2036         (*negdi2_sign_cc): Fixed z10prop attribute.
2037         (*negdi2_sign): Fixed z10prop attribute.
2038         (*absdi2_sign_cc): Fixed z10prop attribute.
2039         (*absdi2_sign): Fixed z10prop attribute.
2040         (*negabsdi2_sign_cc): Fixed z10prop attribute.
2041         (*negabsdi2_sign): Fixed z10prop attribute.
2042         (*cmp_and_trap_signed_int<mode>): Fixed z10prop attribute.
2043         (*cmp_and_trap_unsigned_int<mode>): Fixed z10prop attribute.
2044         (doloop_si64): Fixed z10prop attribute.
2045         (doloop_si31): Fixed z10prop attribute.
2046         (doloop_long): Fixed z10prop attribute.
2047         (indirect_jump): Fixed z10prop attribute.
2048         (nop): Fixed z10prop attribute.
2049         (main_base_64): Fixed z10prop attribute.
2050         (reload_base_64): Fixed z10prop attribute.
2051
2052 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
2053
2054         PR rtl-optimization/38740
2055         * reorg.c (gate_handle_delay_slots): Avoid dbr scheduling
2056         if !optimize.
2057         * config/mips/mips.c (mips_reorg): Likewise.
2058
2059 2009-01-28  Richard Guenther  <rguenther@suse.de>
2060
2061         PR tree-optimization/38926
2062         * tree-ssa-pre.c (add_to_value): Assert we add only expressions
2063         with the correct value id to a value.
2064         (do_regular_insertion): Use the value number of edoubleprime
2065         for the value number of the expr.
2066
2067         Revert
2068         2008-08-21  Richard Guenther  <rguenther@suse.de>
2069
2070         * tree-ssa-pre.c (insert_into_preds_of_block): Before inserting
2071         a PHI ask VN if it is already available.
2072         * tree-ssa-sccvn.h (vn_phi_lookup): Declare.
2073         * tree-ssa-sccvn.c (vn_phi_lookup): Export.
2074
2075 2009-01-28  Jakub Jelinek  <jakub@redhat.com>
2076
2077         PR middle-end/38934
2078         * tree-vrp.c (extract_range_from_assert): For LE_EXPR and LT_EXPR
2079         set to varying whenever max has TREE_OVERFLOW set, similarly
2080         for GE_EXPR and GT_EXPR and TREE_OVERFLOW min.
2081
2082 2009-01-28  Richard Guenther  <rguenther@suse.de>
2083
2084         PR middle-end/38908
2085         * tree-ssa.c (warn_uninitialized_var): Do not warn for seemingly
2086         uninitialized aggregate uses in call arguments.
2087
2088 2009-01-28  Paolo Bonzini  <bonzini@gnu.org>
2089
2090         PR tree-optimization/38984
2091         * tree-ssa-structalias.c (get_constraints_for_1): Do not use
2092         the nothing_id variable if -fno-delete-null-pointer-checks.
2093
2094 2009-01-28  Uros Bizjak  <ubizjak@gmail.com>
2095
2096         PR target/38988
2097         * config/i386/i386.md (set_rip_rex64): Wrap operand 1 in label_ref.
2098         (set_got_offset_rex64): Ditto.
2099
2100 2009-01-27  H.J. Lu  <hongjiu.lu@intel.com>
2101
2102         PR target/38941
2103         * doc/extend.texi: Improve local variable with asm reg.
2104
2105 2009-01-27  Adam Nemet  <anemet@caviumnetworks.com>
2106
2107         * c.opt (Wpacked-bitfield-compat): Change init value to -1.
2108         * c-opts.c (c_common_post_options): If -W*packed-bitfield-compat
2109         was not supplied then set warn_packed_bitfield_compat to the
2110         default value of 1.
2111         * stor-layout.c (place_field): Check warn_packed_bitfield_compat
2112         against 1.
2113
2114 2009-01-27  Richard Guenther  <rguenther@suse.de>
2115
2116         PR tree-optimization/38503
2117         * cfgexpand.c (expand_gimple_basic_block): Ignore
2118         GIMPLE_CHANGE_DYNAMIC_TYPE during expansion.
2119         * tree-ssa-structalias.c (set_uids_in_ptset): Do not prune
2120         variables that cannot have TBAA applied.
2121         (compute_points_to_sets): Do not remove GIMPLE_CHANGE_DYNAMIC_TYPE
2122         statements.
2123
2124 2009-01-27  Uros Bizjak  <ubizjak@gmail.com>
2125
2126         PR middle-end/38969
2127         * calls.c (initialize_argument_information): Do not wrap complex
2128         arguments in SAVE_EXPR.
2129
2130 2009-01-26  Andreas Tobler  <a.tobler@schweiz.org>
2131
2132         * config/t-vxworks (LIBGCC2_INCLUDES): Fix typo.
2133         (INSTALL_LIBGCC): Revert typo commit.
2134
2135 2009-01-26  Richard Guenther  <rguenther@suse.de>
2136
2137         PR tree-optimization/38745
2138         * tree-ssa-alias.c (update_alias_info_1): Exclude RESULT_DECL
2139         from special handling.
2140
2141 2009-01-26  Richard Guenther  <rguenther@suse.de>
2142
2143         PR tree-optimization/38745
2144         * tree-ssa.c (execute_update_addresses_taken): Do not include
2145         variables that cannot possibly be a register in not_reg_needs.
2146         Do not clear TREE_ADDRESSABLE on vars that may not become
2147         registers.
2148         * tree-ssa.c (update_alias_info_1): Include those in the set
2149         of addressable vars.
2150
2151 2009-01-26  Richard Guenther  <rguenther@suse.de>
2152
2153         PR middle-end/38851
2154         * Makefile.in (tree-ssa-dse.o): Add langhooks.h.
2155         * tree-ssa-dse.c: Include langhooks.h
2156         (execute_simple_dse): Remove stores with zero size.
2157
2158 2009-01-24  Jakub Jelinek  <jakub@redhat.com>
2159
2160         PR c/38957
2161         * c-typeck.c (c_finish_return): Handle POINTER_PLUS_EXPR the same way
2162         as PLUS_EXPR.
2163
2164 2009-01-24  Julian Brown  <julian@codesourcery.com>
2165
2166         * config/arm/t-linux-eabi (LIB2FUNCS_STATIC_EXTRA): Add
2167         config/arm/linux-atomic.c.
2168         * config/arm/linux-atomic.c: New.
2169
2170 2009-01-24  Eric Botcazou  <ebotcazou@adacore.com>
2171
2172         * config/sparc/linux.h (DBX_REGISTER_NUMBER): Delete.
2173         * config/sparc/linux64.h (DBX_REGISTER_NUMBER): Likewise.
2174         * config/sparc/sysv4.h (DBX_REGISTER_NUMBER): Likewise.
2175
2176 2009-01-24  H.J. Lu  <hongjiu.lu@intel.com>
2177
2178         PR c/38938
2179         * c-opts.c (c_common_handle_option): Update warn_pointer_sign
2180         properly.
2181
2182 2009-01-24  Sebastian Pop  <sebastian.pop@amd.com>
2183
2184         PR tree-optimization/38953
2185         * graphite.c (graphite_verify): Add a call to verify_loop_closed_ssa.
2186         (scop_adjust_phis_for_liveouts): Initialize false_i to zero.
2187         (gloog): Split the exit of the scop when the scop exit is a loop exit.
2188         (graphite_transform_loops): Only call cleanup_tree_cfg if gloog
2189         changed the CFG.
2190
2191 2009-01-24  Paul Brook  <paul@codesourcery.com>
2192
2193         * config/arm/neon.md (neon_type): Move to arm.md.
2194         (neon_mov<VSTRUCT>): Add neon_type attribute.
2195         * config/arm/arm.md (neon_type): Move to here.
2196         (conds): Add "unconditioal" and use as default for NEON insns.
2197
2198 2009-01-24  Ben Elliston  <bje@au.ibm.com>
2199
2200         * bitmap.h (BITMAP_FREE): Eliminate `implicit conversion from
2201         void *' warning from -Wc++-compat.
2202         * Makefile.in (dominance.o-warn): Remove.
2203
2204 2009-01-23  Paolo Bonzini  <bonzini@gnu.org>
2205
2206         PR tree-optimization/38932
2207         * fold-const.c (fold_unary_ignore_overflow): New.
2208         * tree.h (fold_unary_ignore_overflow): Declare.
2209         * tree-ssa-ccp.c (ccp_fold): Use fold_unary_ignore_overflow.
2210         * tree-ssa-sccvn.c (visit_reference_op_load,
2211         simplify_unary_expression): Likewise.
2212
2213 2009-01-22  Adam Nemet  <anemet@caviumnetworks.com>
2214
2215         * c-decl.c (finish_struct): Move code to set DECL_PACKED after
2216         DECL_BIT_FIELD is alreay known.  Also inherit packed for bitfields
2217         regardless of their type.
2218         * c-common.c (handle_packed_attribute): Don't ignore packed on
2219         bitfields.
2220         * c.opt (Wpacked-bitfield-compat): New warning option.
2221         * stor-layout.c (place_field): Warn if offset of a field changed.
2222         * doc/extend.texi (packed): Mention the ABI change.
2223         * doc/invoke.texi (-Wpacked-bitfield-compat): Document.
2224         (Warning Options): Add it to the list.
2225
2226 2009-01-22  H.J. Lu  <hongjiu.lu@intel.com>
2227
2228         * c-opts.c (c_common_post_options): Fix a typo in comments.
2229
2230 2009-01-22  Steve Ellcey  <sje@cup.hp.com>
2231
2232         PR middle-end/38615
2233         * gimplify.c (gimplify_init_constructor): Fix promotion of const
2234         variables to static.
2235         * doc/invoke.texi (-fmerge-all-constants): Update description.
2236
2237 2009-01-22  Uros Bizjak  <ubizjak@gmail.com>
2238
2239         PR target/38931
2240         * config/i386/i386.md (*movsi_1): Use type "mmx" for alternative 2.
2241         (*movdi_1_rex64): Use type "mmx" for alternative 5.
2242
2243 2009-01-22  Richard Earnshaw  <rearnsha@arm.com>
2244
2245         * arm.h (DATA_ALIGNMENT): Align structures, unions and arrays to
2246         a word boundary.
2247         (LOCAL_ALIGNMENT): Similarly.
2248
2249 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2250             Joseph Myers  <joseph@codesourcery.com>
2251
2252         * config/arm/arm.c (all_architectures): Add iWMMXt2 entry.
2253         * config/arm/arm-cores.def: New ARM_CORE entry for iWMMXt2.
2254         * config/arm/arm-tune.md: Regenerate.
2255         * doc/invoke.texi (ARM Options): Document -mcpu=iwmmxt2 and
2256         -march=iwmmxt2.
2257
2258 2009-01-22  Mark Shinwell  <shinwell@codesourcery.com>
2259
2260         * config/arm/bpabi.h (SUBTARGET_EXTRA_ASM_SPEC): Bump EABI
2261         version number to five.
2262
2263 2009-01-22  Dodji Seketeli  <dodji@redhat.com>
2264
2265         PR c++/38930
2266         * c-decl.c: (clone_underlying_type): Revert PR c++/26693 changes.
2267         * c-common.c (set_underlying_type): Likewise.
2268         (is_typedef_decl ): Likewise
2269         * tree.h: Likewise
2270         (set_underlying_type): Likewise.
2271         (is_typedef_type): Likewise.
2272
2273 2009-01-21  Vladimir Makarov  <vmakarov@redhat.com>
2274
2275         PR middle-end/38587
2276         * ira-color.c (coalesce_spill_slots): Don't coalesce allocnos
2277         crossing setjmps.
2278
2279 2009-01-21  Dave Korn  <dave.korn.cygwin@gmail.com>
2280
2281         PR bootstrap/37660
2282         * config/i386/cygwin.h (SHARED_LIBGCC_SPEC):  New helper macro.
2283         (LIBGCC_SPEC):  Don't define.
2284         (REAL_LIBGCC_SPEC):  Define instead, using SHARED_LIBGCC_SPEC.
2285
2286 2009-01-21  Uros Bizjak  <ubizjak@gmail.com>
2287
2288         PR rtl-optimization/38879
2289         * alias.c (base_alias_check): Unaligned access via AND address can
2290         alias all surrounding object types except those with sizes equal
2291         or wider than the size of unaligned access.
2292
2293 2009-01-21  Dodji Seketeli  <dodji@redhat.com>
2294
2295         PR c++/26693
2296         * c-decl.c: (clone_underlying_type): Move this ...
2297         * c-common.c (set_underlying_type): ... here.
2298         Also, make sure the function properly sets TYPE_STUB_DECL() on
2299         the newly created typedef variant type.
2300         (is_typedef_decl ): New entry point.
2301         * tree.h: Added a new member member_types_needing_access_check to
2302         struct tree_decl_non_common.
2303         (set_underlying_type): New entry point.
2304         (is_typedef_type): Likewise.
2305
2306 2009-01-21  Bingfeng Mei  <bmei@broadcom.com>
2307
2308         * alias.c (walk_mems_1, walk_mems_2, insn_alias_sets_conflict_p):
2309         Check whether two instructions have memory references that
2310         belong to conflicting alias sets.  walk_mems_1 and walk_mems_2
2311         are helper functions for traversing.
2312         * alias.h (insn_alias_sets_confilict_p): New prototypes.
2313         * ddg.c (add_inter_loop_mem_dep): Call insn_alias_sets_conflict_p
2314         not to draw dependency edge for instructions with non-conflicting
2315         alias sets.
2316
2317 2009-01-20  Joseph Myers  <joseph@codesourcery.com>
2318
2319         PR other/38758
2320         * longlong.h: Update copyright years.  Use soft-fp license notice.
2321         Sync __clz_tab declaration with glibc.
2322
2323 2009-01-20  Steve Ellcey  <sje@cup.hp.com>
2324
2325         PR target/30687
2326         * doc/extend.texi (syscall_linkage): New.
2327         (version_id): Modify.
2328
2329 2009-01-20  Andrew Pinski  <andrew_pinski@playstation.sony.com>
2330             Richard Guenther  <rguenther@suse.de>
2331
2332         PR tree-optimization/38747
2333         PR tree-optimization/38748
2334         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Disable the VCE
2335         conversion if the base address is an indirect reference and the
2336         aliasing sets could cause issues.
2337
2338 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2339
2340         * common.opt (fgraphite, fgraphite-identity): Add comment for 
2341         explaining why these options are not documented.
2342
2343 2009-01-20  Sebastian Pop  <sebastian.pop@amd.com>
2344
2345         * graphite.c (stmt_simple_for_scop_p): Also handle cases when
2346         gimple_call_lhs is NULL.
2347
2348 2009-01-20  Paolo Bonzini  <bonzini@gnu.org>
2349
2350         PR target/38868
2351         * emit-rtl.c (adjust_address_1): Make sure memref is never
2352         overwritten.
2353
2354 2009-01-20  Ben Elliston  <bje@au.ibm.com>
2355
2356         * libgcov.c (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2357         const qualifier from arg parameter. Remove unnecessary cast to char *.
2358         * gcov-io.h (__gcov_execl, __gcov_execlp, __gcov_execle): Remove
2359         const qualifier from arg 2.
2360
2361 2009-01-19  Iain Sandoe  <iain.sandoe@sandoe-acoustics.co.uk>
2362
2363         * config/darwin.h: Add static-libgfortran to LINK_SPEC.
2364
2365 2009-01-19  Vladimir Makarov  <vmakarov@redhat.com>
2366
2367         PR c/38869
2368         * rtl.h (reinit_regs): New prototype.
2369         * regclass.c: Include ira.h.
2370         (reinit_regs): New.
2371         * Makefile.in (regclass.o): Add ira.h.
2372         * config/i386/i386.c (ix86_maybe_switch_abi): Use reinit_regs.
2373
2374 2009-01-18  H.J. Lu  <hongjiu.lu@intel.com>
2375
2376         PR target/38736
2377         * c-common.c (handle_aligned_attribute): Use
2378         ATTRIBUTE_ALIGNED_VALUE instead of BIGGEST_ALIGNMENT for
2379         default alignment value.
2380
2381         * c-cppbuiltin.c (c_cpp_builtins): Define __BIGGEST_ALIGNMENT__.
2382
2383         * defaults.h (ATTRIBUTE_ALIGNED_VALUE): New.
2384         * config/i386/i386.h (ATTRIBUTE_ALIGNED_VALUE): Likewise.
2385
2386         * doc/extend.texi: Update __attribute__ ((aligned)).  Document
2387         __BIGGEST_ALIGNMENT__.
2388
2389         * doc/tm.texi: Document ATTRIBUTE_ALIGNED_VALUE.
2390
2391 2009-01-18  Richard Guenther  <rguenther@suse.de>
2392
2393         PR tree-optimization/38819
2394         * tree-flow.h (operation_could_trap_helper_p): Declare.
2395         * tree-eh.c (operation_could_trap_helper_p): Export.
2396         * tree-ssa-sccvn.h (vn_nary_may_trap): Declare.
2397         * tree-ssa-sccvn.c (vn_nary_may_trap): New function.
2398         * tree-ssa-pre.c (insert_into_preds_of_block): Check if we
2399         are about to insert a possibly trapping instruction and fail
2400         in this case.
2401
2402 2009-01-18  Andreas Schwab  <schwab@suse.de>
2403
2404         * doc/install.texi (Configuration): Remove obsolete paragraph
2405         about use of --with-gnu-ld with --with-gnu-as.
2406
2407 2009-01-18  Kazu Hirata  <kazu@codesourcery.com>
2408
2409         * doc/extend.texi, doc/gimple.texi, doc/invoke.texi,
2410         doc/md.texi, doc/sourcebuild.texi, doc/tm.texi: Fix typos.
2411         Follow spelling conventions.
2412
2413 2009-01-18  Ben Elliston  <bje@au.ibm.com>
2414
2415         * bitmap.c (bitmap_obstack_alloc_stat): Adjust cast to eliminate
2416         C++ warning about implicit conversion from void * to struct
2417         bitmap_head_def *.
2418         (bitmap_obstack_free): Likewise for bitmap_element *.
2419         * Makefile.in (bitmap.o-warn): Remove.
2420
2421 2009-01-17  Dave Korn  <dave.korn.cygwin@gmail.com>
2422
2423         * Makefile.in (BACKENDLIBS):  Reorder to match dependencies.
2424
2425 2009-01-17  Sebastian Pop  <sebastian.pop@amd.com>
2426             Tobias Grosser  <tobi.grosser@amd.com>
2427
2428         * graphite.c (graphite_trans_scop_block): Do not block single
2429         nested loops.
2430
2431 2009-01-16  Alexandre Oliva  <aoliva@redhat.com>
2432
2433         * ebitmap.h (ebitmap_iter_init): Initialize all fields.
2434         * ipa-struct-reorg.c (gen_struct_type): Replace known-true
2435         test with assertion.
2436
2437 2009-01-16  Richard Guenther  <rguenther@suse.de>
2438
2439         PR tree-optimization/38835
2440         PR middle-end/36227
2441         * fold-const.c (fold_binary): Remove PTR + INT -> (INT)(PTR p+ INT)
2442         and INT + PTR -> (INT)(PTR p+ INT) folding.
2443         * tree-ssa-address.c (create_mem_ref): Properly use POINTER_PLUS_EXPR.
2444
2445 2009-01-16  Adam Nemet  <anemet@caviumnetworks.com>
2446
2447         PR target/38554
2448         * expmed.c (expand_shift): With SHIFT_COUNT_TRUNCATED, don't lift
2449         the subreg from a lowpart subreg if it is also casting the value.
2450
2451 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2452             Tobias Grosser  <tobi.grosser@amd.com>
2453
2454         * graphite.c (compare_prefix_loops): New.
2455         (build_scop_canonical_schedules): Rewritten.
2456         (graphite_transform_loops): Move build_scop_canonical_schedules
2457         after build_scop_iteration_domain.
2458
2459 2009-01-16  Sebastian Pop  <sebastian.pop@amd.com>
2460             Tobias Grosser  <tobi.grosser@amd.com>
2461
2462         * graphite.c (add_conditions_to_domain): Add the loops to 
2463         the dimension of the iteration domain.  Do copy the domain
2464         only when it exists.
2465         (build_scop_conditions_1): Do not call add_conditions_to_domain.
2466         (add_conditions_to_constraints): New.
2467         (can_generate_code_stmt, can_generate_code): Removed.
2468         (gloog): Do not call can_generate_code.
2469         (graphite_transform_loops): Call add_conditions_to_constraints
2470         after building the iteration domain.
2471
2472 2009-01-16  Jakub Jelinek  <jakub@redhat.com>
2473
2474         PR tree-optimization/38789
2475         * tree-ssa-threadedge.c
2476         (record_temporary_equivalences_from_stmts_at_dest): Ignore calls to
2477         __builtin_constant_p.
2478
2479 2009-01-16  Kenneth Zadeck  <zadeck@naturalbridge.com>
2480
2481         * dce.c (delete_unmarked_insns): Reversed the order that insns are
2482         examined before deleting them.
2483         
2484 2009-01-16  Richard Earnshaw  <rearnsha@arm.com>
2485
2486         * function.c (aggregate_value_p): Correctly extract the function
2487         type from CALL_EXPR_FN lookup.
2488
2489 2009-01-16  Hariharan Sandanagobalane  <hariharan@picochip.com>
2490
2491         * config/picochip/picochip.c (picochip_override_options): Revert
2492         CFI asm flag disable commited previously.
2493
2494 2009-01-15  Sebastian Pop  <sebastian.pop@amd.com>
2495             Tobias Grosser  <tobi.grosser@amd.com>
2496             Jan Sjodin  <jan.sjodin@amd.com>
2497
2498         * graphite.c (scan_tree_for_params): On substractions negate
2499         all the coefficients of the term.
2500         (clast_to_gcc_expression_red): New.  Handle reduction expressions
2501         of more than two operands.
2502         (clast_to_gcc_expression): Call clast_to_gcc_expression_red.
2503         (get_vdef_before_scop): Handle also the case of default definitions.
2504
2505 2009-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
2506
2507         * caller-save.c (add_used_regs_1, add_used_regs): New functions.
2508         (insert_one_insn): Use them instead of REG_DEAD and REG_INC notes.
2509         Also use them when walking CALL_INSN_FUNCTION_USAGE.
2510
2511 2009-01-15  H.J. Lu  <hongjiu.lu@intel.com>
2512             Joey Ye  <joey.ye@intel.com>
2513
2514         PR middle-end/37843
2515         * cfgexpand.c (expand_stack_alignment): Don't update stack
2516         boundary nor check incoming stack boundary here.
2517         (gimple_expand_cfg): Update stack boundary and check incoming
2518         stack boundary here.
2519
2520 2009-01-15  Kenneth Zadeck  <zadeck@naturalbridge.com>
2521
2522         * dce.c (find_call_stack_args, delete_unmarked_insns): Fixed comments.
2523         
2524 2009-01-14  Jakub Jelinek  <jakub@redhat.com>
2525
2526         PR rtl-optimization/38245
2527         * calls.c (expand_call): Add stack arguments to
2528         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2529         ACCUMULATE_OUTGOING_ARGS) and even for args partially passed
2530         in regs and partially in memory or BLKmode arguments.
2531         (emit_library_call_value_1): Add stack arguments to
2532         CALL_INSN_FUNCTION_USAGE even for pure calls (when
2533         ACCUMULATE_OUTGOING_ARGS).
2534         * dce.c: Include tm_p.h.
2535         (find_call_stack_args): New function.
2536         (deletable_insn_p): Call it for CALL_P insns.  Add ARG_STORES
2537         argument.
2538         (mark_insn): Call find_call_stack_args for CALL_Ps.
2539         (prescan_insns_for_dce): Walk insns backwards in bb rather than
2540         forwards.  Allocate and free arg_stores bitmap if needed, pass it
2541         down to deletable_insn_p, don't mark stores set in arg_stores
2542         bitmap, clear the bitmap at the beginning of each bb.
2543         * Makefile.in (dce.o): Depend on $(TM_P_H).
2544
2545 2009-01-14  Michael Meissner  <gnu@the-meissners.org>
2546
2547         PR target/22599
2548         * config/i386/i386.c (print_operand): Add tests for 'D', 'C', 'F', 'f'
2549         to make sure the insn is a conditional test (bug 22599).  Reformat a
2550         few long lines.
2551
2552 2009-01-14  Sebastian Pop  <sebastian.pop@amd.com>
2553
2554         PR middle-end/38431
2555         * graphite.c (get_vdef_before_scop, scop_adjust_vphi): New.
2556         (scop_adjust_phis_for_liveouts): Call scop_adjust_vphi.
2557         (gloog): Do not call cleanup_tree_cfg.
2558         (graphite_transform_loops): Call cleanup_tree_cfg after all 
2559         scops have been code generated.
2560
2561 2009-01-14  Basile Starynkevitch  <basile@starynkevitch.net>
2562         * doc/gty.texi (Invoking the garbage collector): Added new node
2563         and section documenting ggc_collect.
2564
2565 2009-01-14  Richard Guenther  <rguenther@suse.de>
2566
2567         PR tree-optimization/38826
2568         PR middle-end/38477
2569         * tree-ssa-structalias.c (emit_alias_warning): Emit the pointer
2570         initialization notes only if we actually emitted a warning.
2571         (intra_create_variable_infos): Add constraints for a result decl
2572         that is passed by hidden reference.
2573         (build_pred_graph): Mark all related variables non-direct on
2574         address-taking.
2575
2576 2009-01-14  Nick Clifton  <nickc@redhat.com>
2577
2578         * ira-conflicts.c: Include addresses.h for the definition of
2579         base_reg_class.
2580         (ira_build_conflicts): Use base_reg_class instead of BASE_REG_CLASS.
2581         * Makefile.in: Add a dependency of ira-conflicts.o on addresses.h.
2582
2583 2009-01-13  Vladimir Makarov  <vmakarov@redhat.com>
2584
2585         PR target/38811
2586         * Makefile.in (ira-lives.o): Add except.h.
2587
2588         * ira-lives.c: Include except.h.
2589         (process_bb_node_lives): Process can_throw_internal.
2590
2591 2009-01-13  Jakub Jelinek  <jakub@redhat.com>
2592
2593         PR rtl-optimization/38774
2594         * combine.c (simplify_set): When undoing cc_use change, don't do
2595         PUT_CODE on the newly created comparison, but instead put back the
2596         old comparison.
2597
2598 2009-01-13  Joseph Myers  <joseph@codesourcery.com>
2599
2600         * doc/invoke.texi (ARM Options): Update lists of -mcpu and -march
2601         values.  Remove duplicate arm8 entry.
2602
2603 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2604
2605         PR tree-optimization/38786
2606         * graphite.c (expand_scalar_variables_ssa_name): New, outlined from
2607         the SSA_NAME case of expand_scalar_variables_expr.
2608         Set the type of an expression to the type of its assign statement.
2609         (expand_scalar_variables_expr): Also gather the scalar computation
2610         used to index the memory access.  Do not pass loop_p.
2611         Fix comment.  Stop recursion on tcc_constant or tcc_declaration.
2612         (expand_scalar_variables_stmt): Pass to expand_scalar_variables_expr
2613         the gimple_stmt_iterator where it inserts new code.
2614         Do not pass loop_p.
2615         (copy_bb_and_scalar_dependences): Do not pass loop_p.
2616         (translate_clast): Update call to copy_bb_and_scalar_dependences.
2617
2618 2009-01-13  Sebastian Pop  <sebastian.pop@amd.com>
2619
2620         * graphite.h (debug_value): Removed.
2621         * graphite.c (debug_value): Removed.
2622
2623 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2624
2625         * config/arm/arm.c (output_move_double): Don't synthesize thumb-2
2626         ldrd/strd with two 32-bit instructions.
2627
2628 2009-01-13  Richard Earnshaw  <rearnsha@arm.com>
2629
2630         * config/arm/arm.c (struct processors): Pass for speed down into
2631         cost helper functions.
2632         (const_ok_for_op): Handle COMPARE and inequality nodes.
2633         (arm_rtx_costs_1): Rewrite.
2634         (arm_size_rtx_costs): Update prototype.
2635         (arm_rtx_costs): Pass speed down to helper functions.
2636         (arm_slowmul_rtx_costs): Rework cost calculations.
2637         (arm_fastmul_rtx_costs, arm_xscale_rtx_costs): Likewise.
2638         (arm_9e_rtx_costs): Likewise.
2639
2640 2009-01-13  Uros Bizjak  <ubizjak@gmail.com>
2641
2642         * config/alpha/alpha.c (alpha_legitimate_address_p): Explicit
2643         relocations of local symbols wider than UNITS_PER_WORD are not valid.
2644         (alpha_legitimize_address): Do not split local symbols wider than
2645         UNITS_PER_WORD into HIGH/LO_SUM parts.
2646
2647 2009-01-13  Danny Smith  <dannysmith@users.sourceforge.net>
2648
2649         PR bootstrap/38580
2650         * gcc.c (process_command): Replace call to execvp with calls
2651         to pex_one and exit.
2652
2653 2009-01-03  Anatoly Sokolov  <aesok@post.ru>
2654
2655         PR target/29141
2656         * config/avr/t-avr (LIB1ASMFUNCS): Add _tablejump_elpm.
2657         * config/avr/libgcc.S (__do_global_ctors, __do_global_dtors): Add
2658         variant for devices with 3-byte PC.
2659         (__tablejump_elpm__) : New.
2660
2661 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2662
2663         PR c/32041
2664         * c-parser.c (c_parser_postfix_expression): Allow `->' in
2665         offsetof member-designator, handle it as `[0].'.
2666
2667 2009-01-12  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2668
2669         * pa.c (pa_asm_output_mi_thunk): Use pc-relative branch to thunk
2670         function when not using named sections on targets with named sections
2671         if branch distance is less than 262132.
2672
2673 2009-01-12  Richard Earnshaw  <rearnsha@arm.com>
2674
2675         * combine.c (combine_instructions):  Recompute
2676         optimize_this_for_speed_p  for each BB in the main combine loop.
2677
2678 2009-01-12  Tomas Bily  <tbily@suse.cz>
2679
2680         PR middlend/38385
2681         * tree-loop-distribution.c (prop_phis): New function.
2682         (generate_builtin): Call prop_phis.
2683         * testsuite/gcc.dg/tree-ssa/pr38385.c: New file.
2684
2685 2009-01-12  Jakub Jelinek  <jakub@redhat.com>
2686
2687         PR tree-optimization/38807
2688         * tree-ssa-reassoc.c (remove_visited_stmt_chain): Don't look at
2689         gimple_visited_p unless stmt is GIMPLE_ASSIGN.
2690
2691 2009-01-11  Adam Nemet  <anemet@caviumnetworks.com>
2692
2693         * expmed.c (store_bit_field_1): Properly truncate the paradoxical
2694         subreg of op0 to the original op0.
2695
2696 2009-01-11  Laurent GUERBY  <laurent@guerby.net>
2697
2698         * doc/sourcebuild.texi (Source Tree): Move up intl and fixinc.
2699         
2700 2009-01-11  Markus Schoepflin  <markus.schoepflin@comsoft.de>
2701
2702         PR debug/7055
2703         * gcc/mips-tfile.c (parse_def): Fix parsing of def strings
2704         starting with digits.
2705
2706 2009-01-10  Jakub Jelinek  <jakub@redhat.com>
2707
2708         PR target/38695
2709         * config/arm/arm.c (arm_is_long_call_p): Don't call
2710         arm_function_in_section_p if decl isn't a FUNCTION_DECL.
2711
2712 2009-01-09  Steven Bosscher  <steven@gcc.gnu.org>
2713
2714         * regrename.c (regrename_optimize): Fix dumping.
2715         (find_oldest_value_reg): Preserve REG_POINTER.
2716         (copy_hardreg_forward_1): Likewise.
2717
2718 2009-01-09  Diego Novillo  <dnovillo@google.com>
2719
2720         * gimple.h (struct gimple_statement_base) <uid>: Document
2721         the restrictions on its use.
2722         (gimple_uid): Tidy.
2723         (gimple_set_uid): Tidy.
2724
2725 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2726
2727         * config/i386/i386.c (ix86_expand_movmem, ix86_expand_setmem): Add
2728         zero guard even if align_bytes != 0 and count is smaller than
2729         size_needed.
2730
2731 2009-01-09  Vladimir Makarov  <vmakarov@redhat.com>
2732
2733         PR rtl-optimization/38495
2734         * ira-emit.c (print_move_list, ira_debug_move_list): New functions.
2735         (add_range_and_copies_from_move_list): Print all added ranges.
2736         Add ranges to memory optimized destination.
2737
2738 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2739
2740         PR target/38686
2741         PR target/38708
2742         * config/i386/i386.c (override_options): Reject
2743         -mstringop-strategy=rep_8byte with -m32.
2744         (ix86_expand_movmem): For size_needed == 1 set epilogue_size_needed
2745         to 1.  Do count comparison against epilogue_size_needed at compile
2746         time even when count_exp was constant forced into register.  For
2747         size_needed don't jump to epilogue, instead just avoid aligning
2748         and invoke the body algorithm.  If need_zero_guard, add zero guard
2749         even if count is non-zero, but smaller than size_needed + number of
2750         bytes that could be stored for alignment.
2751         (ix86_expand_setmem): For size_needed == 1 set epilogue_size_needed
2752         to 1.  If need_zero_guard, add zero guard even if count is non-zero,
2753         but smaller than size_needed + number of bytes that could be stored
2754         for alignment.  Compare size_needed with epilogue_size_needed instead
2755         of desired_align - align, don't adjust size_needed, pass
2756         epilogue_size_needed to the epilogue expanders.
2757
2758         PR c/35742
2759         * c-pretty-print.c (pp_c_expression): Handle GOTO_EXPR like BIND_EXPR.
2760
2761 2009-01-09  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2762
2763         * pa.c (last_address): Change to unsigned.
2764         (update_total_code_bytes): Change argument to unsigned.  Don't
2765         check if insn addresses are set.
2766         (pa_output_function_epilogue): Set last_address to UINT_MAX if insn
2767         addresses are not set.
2768         (pa_asm_output_mi_thunk): Handle wrap when updating last_address.
2769
2770 2009-01-09  Nick Clifton  <nickc@redhat.com>
2771
2772         * config/sh/symbian.c: Replace uses of DECL_INLINE with
2773         DECL_DECLARED_INLINE_P.
2774
2775 2009-01-09  Jakub Jelinek  <jakub@redhat.com>
2776
2777         PR middle-end/38347
2778         * dojump.c (do_jump_by_parts_zero_rtx): Use mode instead of
2779         GET_MODE (op0) in operand_subword_force calls.
2780
2781         PR middle-end/38771
2782         * fold-const.c (fold_unary): For COMPOUND_EXPR and COND_EXPR,
2783         fold_convert arg0 operands to TREE_TYPE (op0) first.
2784
2785 2009-01-08  Vladimir Makarov  <vmakarov@redhat.com>
2786
2787         * params.def (ira-max-conflict-table-size): Decrease default value
2788         to 1000.
2789
2790 2009-01-08  Jakub Jelinek  <jakub@redhat.com>
2791
2792         PR tree-optimization/37031
2793         * lambda-code.c (lambda_collect_parameters): Call pointer_set_destroy
2794         on parameter_set.
2795         (build_access_matrix): Reserve correct size for AM_MATRIX vector,
2796         allocate it using gc instead of heap, use VEC_quick_push instead of
2797         VEC_safe_push.
2798         * graphite.c (build_access_matrix): Allocate AM_MATRIX vector using gc
2799         instead of heap, use VEC_quick_push instead of VEC_safe_push.
2800         * tree-data-ref.h (struct access_matrix): Change matrix to gc
2801         allocated vector from heap allocated.
2802         * lambda.h: Add DEF_VEC_ALLOC_P for gc allocated lambda_vector.
2803         * tree-loop-linear.c (linear_transform_loops): Allocate nest
2804         vector only after perfect_loop_nest_depth call.
2805
2806 2009-01-08  Sebastian Pop  <sebastian.pop@amd.com>
2807             Jan Sjodin  <jan.sjodin@amd.com>
2808
2809         PR tree-optimization/38559
2810         * graphite.c (debug_value, copy_constraint,
2811         swap_constraint_variables, scale_constraint_variable, ): New.
2812         (get_lower_bound, get_upper_bound): Removed.
2813         (graphite_trans_bb_strip_mine): Clean up this code that works
2814         only for constant number of iterations.  Fully copy upper and
2815         lower bound constraints, not only the constant part of them.
2816         * graphite.h (debug_value): Declared.
2817
2818 2009-01-08  Ira Rosen  <irar@il.ibm.com>
2819
2820         PR tree-optimization/37194
2821         * tree-vect-transform.c (vect_estimate_min_profitable_iters):
2822         Don't add the cost of cost model guard in prologue to scalar 
2823         outside cost in case of known number of iterations.
2824
2825 2009-01-07  Nathan Froyd  <froydnj@codesourcery.com>
2826             Alan Modra  <amodra@bigpond.net.au>
2827
2828         * config/rs6000/rs6000.c (rs6000_legitimize_address): Check for
2829         non-word-aligned REG+CONST addressing.
2830
2831 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2832
2833         PR target/38706
2834         * config/alpha/alpha.c (alpha_end_function): For TARGET_ABI_OSF, call
2835         free_after_compilation when outputting a thunk.
2836         (alpha_output_mi_thunk_osf): Assert that we are processing a thunk.
2837         Do not call free_after_compilation here.
2838
2839 2009-01-07  Uros Bizjak  <ubizjak@gmail.com>
2840
2841         * config/i386/i386.c (ix86_target_string): Use ARRAY_SIZE.
2842         (ix86_valid_target_attribute_inner_p): Ditto.
2843
2844 2009-01-07  Jan Sjodin  <jan.sjodin@amd.com>
2845
2846         PR tree-optimization/38492
2847         PR tree-optimization/38498
2848         * tree-check.c (operator_is_linear, scev_is_linear_expression): New.
2849         * tree-chrec.h (scev_is_linear_expression): Declared.
2850         * graphite.c (graphite_cannot_represent_loop_niter): New.
2851         (scopdet_basic_block_info): Call graphite_cannot_represent_loop_niter.
2852         (graphite_loop_normal_form): Use gcc_assert.
2853         (scan_tree_for_params): Use CASE_CONVERT.
2854         (phi_node_is_iv, bb_contains_non_iv_scalar_phi_nodes): New.
2855         (build_scop_conditions_1): Call bb_contains_non_iv_scalar_phi_nodes.
2856         Use gcc_assert.  Discard scops that contain unhandled cases.
2857         (build_scop_conditions): Return a boolean status for unhandled cases.
2858         (strip_mine_profitable_p): Print the loop number, not its depth.
2859         (is_interchange_valid): Pass the depth of the loop nest, don't
2860         recompute it wrongly.
2861         (graphite_trans_bb_block): Same.
2862         (graphite_trans_bb_block): Print tentative of loop blocking.
2863         (graphite_trans_scop_block): Do not print that the loop has been
2864         blocked.
2865         (graphite_transform_loops): Do not handle scops that contain condition
2866         scalar phi nodes.
2867
2868 2009-01-07  H.J. Lu  <hongjiu.lu@intel.com>
2869
2870         AVX Programming Reference (December, 2008)
2871         * config/i386/avxintrin.h (_mm256_stream_si256): New.
2872         (_mm256_stream_pd): Likewise.
2873         (_mm256_stream_ps): Likewise.
2874
2875         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTDQ256,
2876         IX86_BUILTIN_MOVNTPD256 and IX86_BUILTIN_MOVNTPS256.
2877         (ix86_special_builtin_type): Add VOID_FTYPE_PV4DI_V4DI.
2878         (bdesc_special_args): Add __builtin_ia32_movntdq256,
2879         __builtin_ia32_movntpd256 and __builtin_ia32_movntps256.
2880         (ix86_init_mmx_sse_builtins): Handle VOID_FTYPE_PV4DI_V4DI.
2881         (ix86_expand_special_args_builtin): Likewise.
2882
2883         * config/i386/sse.md (AVXMODEDI): New.
2884         (avx_movnt<mode>): Likewise.
2885         (avx_movnt<mode>): Likewise.
2886         (<sse>_movnt<mode>): Remove AVX support.
2887         (sse2_movntv2di): Likewise.
2888
2889 2009-01-07  Richard Guenther  <rguenther@suse.de>
2890
2891         PR middle-end/38751
2892         * fold-const.c (extract_muldiv): Remove obsolete comment.
2893         (fold_plusminus_mult_expr): Undo MINUS_EXPR
2894         to PLUS_EXPR canonicalization for the canonicalization.
2895
2896 2009-01-07  Gerald Pfeifer  <gerald@pfeifer.com>
2897
2898         * doc/install.texi (alpha*-dec-osf*): Remove note on 32-bit
2899         hosted cross-compilers generating less efficient code.
2900
2901 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2902
2903         * function.h (rtl_data): Add a dbr_scheduled_p field.
2904         * reorg.c (dbr_schedule): Set it.
2905         (gate_handle_delay_slots): Check it.
2906         * config/mips/mips.c (mips_base_delayed_branch): Delete.
2907         (mips_reorg): Check flag_delayed_branch instead of
2908         mips_base_delayed_branch.
2909         (mips_override_options): Don't set mips_base_delayed_branch
2910         or flag_delayed_branch.
2911
2912 2009-01-06  Richard Sandiford  <rdsandiford@googlemail.com>
2913
2914         PR rtl-optimization/38426.
2915         * ira.c (ira): Set current_function_is_leaf earlier.
2916
2917 2009-01-06  Jakub Jelinek  <jakub@redhat.com>
2918
2919         PR rtl-optimization/38722
2920         * combine.c (try_combine): Don't modify PATTERN (i3) and notes
2921         too early, only set a flag and modify after last possible
2922         undo_all point.
2923
2924 2009-01-06  Janis Johnson  <janis187@us.ibm.com>
2925
2926         PR c/34252
2927         * ginclude/float.h: Rename DECnn_DEN to DECnn_SUBNORMAL_MIN.
2928         * real.c (decimal_single_format): Correct values of emin and emax.
2929         (decimal_double_format): Ditto.
2930         (decimal_quad_format): Ditto.
2931         * c-cppbuiltin.c (builtin_define_decimal_float_constants): Adjust
2932         computation of DECnn_MIN and DECnn_MAX for corrected values of
2933         emin and emax.  Define __DECnn_SUBNORMAL_MIN__ instead of
2934         __DECnn_MIN__, and adjust its computation for the corrected value
2935         of emin.
2936
2937 2009-01-06  Jan Hubicka  <jh@suse.cz>
2938
2939         PR target/38744
2940         * config/i386/i386.c (ix86_expand_call): Use ARRAY_SIZE.
2941
2942 2009-01-06  Gerald Pfeifer  <gerald@pfeifer.com>
2943
2944         * doc/contrib.texi (Contributors): Slightly adjust the end note.
2945         Add Robert Clark to the list of testers.
2946
2947 2009-01-06  Jan Hubicka  <jh@suse.cz>
2948             Kai Tietz  <kai.tietz@onevision.com>
2949
2950         * config/i386/i386.md (*msabi_syvabi): Add SSE regs clobbers.
2951         * config/i386/i386.c (ix86_expand_call): Add clobbers.
2952
2953 2009-01-06  Jan Hubicka  <jh@suse.cz>
2954             Kai Tietz  <kai.tietz@onevision.com>
2955
2956         * config/i386/i386.h (CONDITIONAL_CALL_USAGE): SSE regs are not used
2957         for w64 ABI.
2958         * config/i386/i386.c (struct ix86_frame): Add padding0 and nsseregs.
2959         (ix86_nsaved_regs): Count only general purpose regs.
2960         (ix86_nsaved_sseregs): New.
2961         (ix86_compute_frame_layout): Update nsseregs; set preferred alignment
2962         to 16 for w64; compute padding and size of sse reg save area.
2963         (ix86_emit_save_regs, ix86_emit_save_regs_using_mov): Save only
2964         general purpose regs.
2965         (ix86_emit_save_sse_regs_using_mov): New.
2966         (ix86_expand_prologue): Save SSE regs if needed.
2967         (ix86_emit_restore_regs_using_mov): Use only general purpose regs.
2968         (ix86_emit_restore_sse_regs_using_mov): New.
2969         (ix86_expand_epilogue): Save SSE regs if needed.
2970
2971 2009-01-06  Jan Hubicka  <jh@suse.cz>
2972             Kai Tietz  <kai.tietz@onevision.com>
2973
2974         * config/i386/i386.h (ACCUMULATE_OUTGOING_ARGS): Enable for MSABI
2975         * config/i386/i386.c (init_cumulative_args): Disallow calls of MSABI
2976         functions when accumulate outgoing args is off.
2977
2978 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
2979
2980         PR bootstrap/38742
2981         * ira-color.c (ira_reuse_stack_slot): Check ENABLE_IRA_CHECKING
2982         before using pseudos_have_intersected_live_ranges_p.
2983
2984         * ira-int.h (ira_assert): Always define.
2985
2986 2009-01-06  H.J. Lu  <hongjiu.lu@intel.com>
2987
2988         AVX Programming Reference (December, 2008)
2989         * config/i386/avxintrin.h (_mm_permute2_pd): Removed.
2990         (_mm256_permute2_pd): Likewise.
2991         (_mm_permute2_ps): Likewise.
2992         (_mm256_permute2_ps): Likewise.
2993         * config/i386/i386.md (UNSPEC_VPERMIL2): Likewise.
2994         * config/i386/sse.md (avx_vpermil2<mode>3): Likewise.
2995
2996         * config/i386/i386.c (ix86_builtins): Remove
2997         IX86_BUILTIN_VPERMIL2PD, IX86_BUILTIN_VPERMIL2PS,
2998         IX86_BUILTIN_VPERMIL2PD256 and IX86_BUILTIN_VPERMIL2PS256.
2999         (ix86_builtin_type): Remove V8SF_FTYPE_V8SF_V8SF_V8SI_INT,
3000         V4DF_FTYPE_V4DF_V4DF_V4DI_INT, V4SF_FTYPE_V4SF_V4SF_V4SI_INT
3001         and V2DF_FTYPE_V2DF_V2DF_V2DI_INT.
3002         (bdesc_args): Remove __builtin_ia32_vpermil2pd,
3003         __builtin_ia32_vpermil2ps, __builtin_ia32_vpermil2pd256 and
3004         __builtin_ia32_vpermil2ps256.
3005         (ix86_init_mmx_sse_builtins): Updated.
3006         (ix86_expand_args_builtin): Likewise.
3007
3008 2009-01-05  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
3009
3010         * pa.c (output_call): Relocate non-jump insns in the delay slot of
3011         long absolute calls when generating PA 2.0 code.
3012
3013 2009-01-05  Vladimir Makarov  <vmakarov@redhat.com>
3014
3015         PR rtl-optimization/38583
3016         * params.h (IRA_MAX_CONFLICT_TABLE_SIZE): New macro.
3017
3018         * params.def (ira-max-conflict-table-size): New.
3019
3020         * doc/invoke.texi (ira-max-conflict-table-size): Decribe.
3021         
3022         * ira.h (ira_conflicts_p): New external definition.
3023         
3024         * ira-conflicts.c (build_conflict_bit_table): Do not build too big
3025         table.  Report this.  Return result of building.
3026         (ira_build_conflicts): Use ira_conflicts_p.  Check result of
3027         building conflict table.
3028
3029         * ira-color.c (fast_allocation): Use num instead of ira_allocnos_num.
3030         (ira_color): Use ira_conflicts_p.
3031         
3032         * global.c: Include ira.h.
3033         (pseudo_for_reload_consideration_p, build_insn_chain): Use
3034         ira_conflicts_p.
3035
3036         * Makefile.in (global.o): Add ira.h.
3037         
3038         * ira-build.c (mark_all_loops_for_removal,
3039         propagate_some_info_from_allocno): New.
3040         (remove_unnecessary_allocnos): Call
3041         propagate_some_info_from_allocno.
3042         (remove_low_level_allocnos): New.
3043         (remove_unnecessary_regions): Add parameter.  Call
3044         mark_all_loops_for_removal and remove_low_level_allocnos.  Pass
3045         parameter to remove_unnecessary_regions.
3046         (ira_build): Remove all regions but root if the conflict table was
3047         not built.  Update conflict hard regs for allocnos crossing calls.
3048
3049         * ira.c (ira_conflicts_p): New global.
3050         (ira): Define and use ira_conflicts_p.
3051
3052         * reload1.c (compute_use_by_pseudos, reload, count_pseudo,
3053         count_spilled_pseudo, find_reg, alter_reg, finish_spills,
3054         emit_input_reload_insns, delete_output_reload): Use ira_conflicts_p.
3055         
3056 2009-01-06  Ben Elliston  <bje@au.ibm.com>
3057
3058         * gengtype-lex.l (YY_NO_INPUT): Define.
3059
3060 2009-01-05  Andrew Pinski  <andrew_pinski@playstation.sony.com>
3061
3062         PR c/34911
3063         * c-common.c (handle_vector_size_attribute): Also reject
3064         BOOLEAN_TYPE types.
3065
3066 2009-01-05  Sebastian Pop  <sebastian.pop@amd.com>
3067
3068         PR tree-optimization/38492
3069         * graphite.c (rename_map_elt, debug_rename_elt,
3070         debug_rename_map_1, debug_rename_map, new_rename_map_elt,
3071         rename_map_elt_info, eq_rename_map_elts,
3072         get_new_name_from_old_name, bb_in_sese_p): Moved around.
3073         (sese_find_uses_to_rename_use): Renamed sese_build_livein_liveouts_use.
3074         (sese_find_uses_to_rename_bb): Renamed sese_build_livein_liveouts_bb.
3075         (sese_build_livein_liveouts): New.
3076         (new_sese, free_sese): New.
3077         (new_scop): Call new_sese.
3078         (free_scop): Call free_sese.
3079         (rename_variables_from_edge, rename_phis_end_scop): Removed.
3080         (register_old_new_names): Renamed register_old_and_new_names.
3081         (register_scop_liveout_renames, add_loop_exit_phis,
3082         insert_loop_close_phis, struct igp,
3083         default_liveout_before_guard, add_guard_exit_phis,
3084         insert_guard_phis, copy_renames): New.
3085         (translate_clast): Call insert_loop_close_phis and insert_guard_phis.
3086         (sese_add_exit_phis_edge): Renamed scop_add_exit_phis_edge.
3087         (rewrite_into_sese_closed_ssa): Renamed scop_insert_phis_for_liveouts.
3088         (scop_adjust_phis_for_liveouts): New.
3089         (gloog): Call scop_adjust_phis_for_liveouts.
3090
3091         * graphite.h (struct sese): Documented.  Added fields liveout,
3092         num_ver and livein.
3093         (SESE_LIVEOUT, SESE_LIVEIN, SESE_LIVEIN_VER, SESE_NUM_VER): New.
3094         (new_sese, free_sese, sese_build_livein_liveouts): Declared.
3095         (struct scop): Added field liveout_renames.
3096         (SCOP_LIVEOUT_RENAMES): New.
3097
3098 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3099
3100         PR tree-optimization/38510
3101         * graphite.c (recompute_all_dominators): Call mark_irreducible_loops.
3102         (translate_clast): Call recompute_all_dominators before
3103         graphite_verify.
3104         (gloog): Call recompute_all_dominators before graphite_verify.
3105
3106 2009-01-05  Harsha Jagasia  <harsha.jagasia@amd.com>
3107             Jan Sjodin  <jan.sjodin@amd.com>
3108
3109         PR tree-optimization/38500
3110         * graphite.c (create_sese_edges): Call fix_loop_structure after
3111         splitting blocks.
3112
3113 2009-01-05  Joel Sherrill  <joel.sherrill@oarcorp.com>
3114
3115         * config.gcc: Add m32r*-*-rtems*.
3116         * config/m32r/rtems.h: New file.
3117
3118 2009-01-05  Ben Elliston  <bje@au.ibm.com>
3119
3120         * Makefile.in (.po.gmo): Use mkinstalldirs, not test -d || mkdir.
3121         (.po.pox): Likewise.
3122         (po/gcc.pot): Likewise.
3123
3124 2009-01-04  David S. Miller  <davem@davemloft.net>
3125
3126         * config/sparc/sparc.h (SECONDARY_MEMORY_NEEDED_RTX): Delete.
3127         (STARTING_FRAME_OFFSET): Always set to zero.
3128
3129 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
3130
3131         * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Add commentary.
3132         * tree-cfg.c (verify_gimple_assign_binary): Allow shifts of
3133         fixed-point types, and vectors of the same.
3134
3135 2009-01-04  Richard Sandiford  <rdsandiford@googlemail.com>
3136
3137         * config/mips/sync.md (*mb_barrier): Rename to...
3138         (*memory_barrier): ...this.
3139
3140 2009-01-04  Jonathan Wakely  <jwakely.gcc@gmail.com>
3141
3142         * doc/extend.texi (Function Attributes): Move @cindex after @item
3143         for 'artificial' and 'flatten'. Fix grammar for 'externally_visible'
3144         and put in alphabetical order. Fix 'target' name and put in order.
3145         * doc/invoke.texi (-Wstrict-null-sentinel, -fipa-matrix-reorg): Fix
3146         typos.
3147
3148 2009-01-04  Uros Bizjak  <ubizjak@gmail.com>
3149
3150         * config/s390/s390.md (UNSPEC_MB): Rename from UNSPECV_MB.
3151         (memory_barrier): Expand as unspec instead of unspec_volatile.
3152         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3153         (*memory_barrier): Define as unspec instead of unspec_volatile.
3154         Use (match_dup 0) as input operand.
3155
3156         * config/sparc/sparc.md (UNSPEC_MEMBAR): Rename from UNSPECV_MEMBAR.
3157         * config/sparc/sync.md (memory_barrier): Expand as unspec instead of
3158         unspec_volatile.  Remove mem:BLK from insn operands.  Use Pmode
3159         scratch register.  Remove operand 1.
3160         (*stbar): Define as unspec instead of unspec_volatile.
3161         Use (match_dup 0) as input operand, remove (const_int 8).
3162         (*membar): Define as unspec instead of unspec_volatile.
3163         Use (match_dup 0) as input operand, remove input operand 2.
3164
3165         * config/xtensa/xtensa.md (UNSPEC_MEMW): Rename from UNSPECV_MEMW.
3166         (memory_barrier): Expand as unspec instead of unspec_volatile.
3167         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3168         (*memory_barrier): Define as unspec instead of unspec_volatile.
3169         Use (match_dup 0) as input operand.
3170
3171         * config/ia64/sync.md (memory_barrier): Redefine as expander pattern.
3172         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3173         Set volatile flag on operand 0.
3174         (*memory_barrier): New insn pattern.
3175
3176         * config/rs6000/sync.md (memory_barrier): Remove mem:BLK from
3177         insn operands.
3178         (*memory_barrier): Use (match_dup 0) as input operand.
3179
3180         * config/mips/sync.md (memory_barrier): Redefine as expander pattern.
3181         Remove mem:BLK from insn operands.  Use Pmode scratch register.
3182         Set volatile flag on operand 0.
3183         (*mb_internal): New insn pattern.
3184
3185         * config/alpha/sync.md (*memory_barrier): Rename from *mb_internal.
3186
3187 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
3188
3189         PR middle-end/38586
3190         * function.c (struct temp_slot): Move to the section of the file
3191         that deals with temp slots.  Remove field 'address'.
3192         (temp_slot_address_table): New hash table of address -> temp slot.
3193         (struct temp_slot_address_entry): New struct, items for the table.
3194         (temp_slot_address_compute_hash, temp_slot_address_hash,
3195         temp_slot_address_eq, insert_temp_slot_address): Support functions
3196         for the new table.
3197         (find_temp_slot_from_address): Rewrite to use the new hash table.
3198         (remove_unused_temp_slot_addresses): Remove addresses of temp
3199         slots that have been made available.
3200         (remove_unused_temp_slot_addresses_1): Call-back for htab_traverse,
3201         worker function for remove_unused_temp_slot_addresses.
3202         (assign_stack_temp_for_type): Don't clear the temp slot address list.
3203         Add the temp slot address to the address -> temp slot map.
3204         (update_temp_slot_address): Update via insert_temp_slot_address.
3205         (free_temp_slots): Call remove_unused_temp_slot_addresses.
3206         (pop_temp_slots): Likewise.
3207         (init_temp_slots): Allocate the address -> temp slot map, or empty
3208         the map if it is already allocated.
3209         (prepare_function_start): Initialize temp slot processing.
3210
3211 2009-01-04  Steven Bosscher  <steven@gcc.gnu.org>
3212
3213         PR middle-end/38584
3214         * cfgexpand.c (estimate_stack_frame_size): Simplify the estimate:
3215         Calculate the size of all stack vars assuming no packing of stack
3216         vars will happen, replacing a quadratic algorithm with a linear one.
3217
3218 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
3219
3220         PR target/38707
3221         * expmed.c (store_bit_field_1): Don't modify op0 if movstrict insn
3222         can't be used.
3223
3224 2009-01-03  Diego Novillo  <dnovillo@google.com>
3225
3226         * doc/contrib.texi: Update contributions.
3227
3228 2009-01-03  Jakub Jelinek  <jakub@redhat.com>
3229
3230         PR c++/38705
3231         * builtins.c (fold_builtin_memory_op): Give up if either operand
3232         is volatile.  Set srctype or desttype to non-qualified version
3233         of the other type.
3234
3235         PR c/38700
3236         * builtins.c (fold_builtin_expect): Only check DECL_WEAK for VAR_DECLs
3237         and FUNCTION_DECLs.
3238
3239 2009-01-02  Kenneth Zadeck  <zadeck@naturalbridge.com>
3240
3241         PR rtl-optimization/35805
3242         * df-problems.c (df_lr_finalize): Add recursive call to resolve lr
3243         problem if fast dce is able to remove any instructions.
3244         * dce.c (dce_process_block): Fix dump message.
3245         
3246 2009-01-02  Mark Mitchell  <mark@codesourcery.com>
3247
3248         PR 33649
3249         * tree-ssa-pre.c (compute_antic): Correct loop bounds.
3250
3251 2009-01-02  Jakub Jelinek  <jakub@redhat.com>
3252
3253         PR middle-end/38690
3254         * tree-flow.h (op_code_prio, op_prio): New prototypes.
3255         * tree-pretty-print.c (op_code_prio): New function.
3256         (op_prio): No longer static.  Use op_code_prio.
3257         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs):
3258         Use op_prio and op_code_prio to determine if () should be
3259         printed around operand(s) or not.
3260
3261         * gimple-pretty-print.c (dump_unary_rhs, dump_binary_rhs,
3262         dump_gimple_call, dump_gimple_switch, dump_gimple_cond,
3263         dump_gimple_label, dump_gimple_try, dump_symbols, dump_gimple_phi,
3264         dump_gimple_mem_ops, dump_bb_header, dump_bb_end, pp_cfg_jump): Use
3265         pp_character instead of pp_string for single letter printing.
3266
3267 2009-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
3268
3269         * doc/extend.texi: Fix '#pragma GCC option' typo.
3270
3271 2009-01-02  Richard Guenther  <rguenther@suse.de>
3272
3273         * doc/install.texi (--enable-checking): Mention different
3274         default for stage1.
3275         (--enable-stage1-checking): Document.
3276
3277 2009-01-01  Andrew Pinski  <pinskia@gmail.com>
3278
3279         PR middle-end/30142
3280         * tree-cfg.c (verify_expr): Add INDIRECT_REF case.  Change MODIFY_EXPR
3281         case to be an error.
3282
3283 2009-01-02  Ben Elliston  <bje@au.ibm.com>
3284
3285         * config/fp-bit.h (pack_d): Constify argument.
3286         * config/fp-bit.c (makenan): Constify return type. Remove casts.
3287         (isnan): Constify argument.
3288         (isinf): Likewise.
3289         (iszero): Likewise.
3290         (pack_d): Likewise.
3291         (_fpadd_parts): Constify return type.
3292         (_fpmul_parts): Likewise.
3293         (_fpdiv_parts): Likewise.
3294
3295 2009-01-01  Jakub Jelinek  <jakub@redhat.com>
3296
3297         PR c/36489
3298         * c-typeck.c (add_pending_init): Add IMPLICIT argument.  Only
3299         warn about overwriting initializer with side-effects or
3300         -Woverride-init if !IMPLICIT.
3301         (output_init_element): Likewise.  Pass IMPLICIT down to
3302         add_pending_init.
3303         (process_init_element): Add IMPLICIT argument.  Pass it down
3304         to output_init_element.
3305         (push_init_element, pop_init_level, set_designator): Adjust
3306         process_init_element callers.
3307         (set_nonincremental_init, set_nonincremental_init_from_string):
3308         Adjust add_pending_init callers.
3309         (output_pending_init_elements): Adjust output_init_element callers.
3310         * c-tree.h (process_init_element): Adjust prototype.
3311         * c-parser.c (c_parser_initelt, c_parser_initval): Adjust
3312         process_init_element callers.