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compiler: Better handling of erroneous function signatures.
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
2             Patrick Marlier  <patrick.marlier@gmail.com>
3
4         * trans-mem.c (requires_barrier): Do not instrument thread local
5         variables and emit save/restore for them.
6
7 2012-01-24  Jason Merrill  <jason@redhat.com>
8
9         PR c++/51812
10         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
11         output static aliases.
12
13 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
14
15         PR driver/47249
16         * common.opt (-pie, -shared, pie, shared): Change from Common to
17         Driver.
18         * gcc.c (display_help): Display help for -pie and -shared.
19
20 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
21
22         PR target/49868
23         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
24         Remove note on size/offset limitation.
25         (AVR Variable Attributes): Add example how to read data located
26         with progmem.  Refer to named address spaces.
27         * doc/invoke.texi (AVR Options): Fix typo.
28
29 2012-01-24  Richard Guenther  <rguenther@suse.de>
30
31         Forward-port to trunk
32         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
33
34         PR middle-end/45678
35         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
36         op0 isn't sufficiently aligned and there is movmisalignM
37         insn for mode, use it to load op0 into a temporary register.
38
39 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
40
41         PR target/51957
42         * target.def (const_not_ok_for_debug_p): New hook.
43         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
44         documentation.
45         * doc/tm.texi: Regenerated.
46         * dwarf2out.c (const_ok_for_output_1): If
47         targetm.const_not_ok_for_debug_p returns true, fail.
48         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
49         function.
50         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
51
52 2012-01-23  Kai Tietz  <ktietz@redhat.com>
53
54         PR target/51900
55         * config/i386/predicates.md (symbolic_operand): Allow
56         UNSPEC_PCREL as PIC expression for lea.
57         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
58         * config/i386/i386.c (ix86_delegitimize_address): Handle
59         UNSPEC_PCREL for none-MEM, too.
60
61 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
62
63         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
64         (ipa_tm_create_version_alias): Same.
65
66 2012-01-18  Uros Bizjak  <ubizjak@gmail.com>
67
68         PR libitm/51830
69         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
70         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
71
72 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
73             Patrick Marlier  <patrick.marlier@gmail.com>
74             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
75
76         PR lto/51916
77         * lto-wrapper.c (run_gcc): Pass the LTO section name to
78         simple_object_start_read.
79
80 2012-01-23  Richard Guenther  <rguenther@suse.de>
81
82
83         PR tree-optimization/51895
84         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
85         parameter decomposition into BLKmode components.
86
87 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
88
89         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
90         fake variables for restrict-qualified pointers whose pointed-to type
91         contains a placeholder.
92
93 2012-01-23  Richard Guenther  <rguenther@suse.de>
94
95         PR tree-optimization/51949
96         * ipa-split.c (execute_split_functions): Do not split malloc functions.
97
98 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
99
100         PR rtl-optimization/51933
101         * ree.c (transform_ifelse): Return true right away if dstreg is
102         already wider or equal to cand->mode.
103         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
104         (make_defs_and_copies_lists): Remove defs_list and copies_list
105         arguments, add state argument, just truncate state->work_list
106         instead of always allocating and freeing the vector.  Assert that
107         get_defs succeeds instead of returning 2.  Changed return type to bool.
108         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
109         have ext_src_mode, see if it has been modified already with the
110         right kind of extension and has been extended before from the
111         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
112         just return true.  Remember the original mode in state->modified array.
113         (combine_reaching_defs): Add state argument.  Don't allocate and
114         free here def_list, copied_list and vec vectors, instead just
115         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
116         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
117         Add state variable, clear vectors in it, initialize state.modified
118         if needed.  Free all the vectors at the end and state.modified too.
119         Don't skip a candidate if the extension expression has been modified.
120
121 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
122
123         PR target/47096
124         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
125          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
126         (extra_options) interix.opt -> i386/interix.opt"
127         (extra_objs):Add winnt-stubs.o
128         * configure.ac: Add interix to target_os .comm on PE check.
129         * configure: Regenerate.
130         * config/interix3.h: Delete and move bits to..
131         * config/interix.h: Delete and move bits to..
132         * config/i386/i386-interix3.h: Delete and move bits to..
133         * config/i386/i386-interix.h: ..here.
134         (TARGET_CPU_DEFAULT): Remove redefinition.
135         (TARGET_ASM_CONSTRUCTOR): Undefine.
136         (SUBTARGET_SWITCHES): Define for ms-bitfields.
137         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
138         (PTRDIFF_TYPE): Define.
139         (LONG_DOUBLE_TYPE_SIZE): Define.
140         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
141         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
142         (TARGET_SECTION_TYPE_FLAGS): Define.
143         (ASM_DECLARE_FUNCTION_NAME): Define.
144         (ASM_OUTPUT_EXTERNAL): Define.
145         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
146         (ASM_OUTPUT_ALIGNED_BSS): Define.
147         (PCC_BITFIELD_TYPE_MATTERS): Define.
148         (USE_CONST_SECTION): Define.
149         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
150         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
151         (SUPPORTS_ONE_ONLY): Remove.
152         (I386_PE_STRIP_ENCODING): Define.
153         * config/interix.opt: Delete and move bits to..
154         * config/i386/interix.opt: ..here. New.
155         (mpe-aligned-commons): Add.
156         * config/i386/t-interix: Add copyright header.
157         (winnt-stubs.o): Add rule.
158
159 2012-01-22  Jason Merrill  <jason@redhat.com>
160
161         PR c++/51832
162         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
163         for extra name aliases.
164
165 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
166
167         PR rtl-optimization/51924
168         * ree.c (combine_set_extension): Improve debugging message.
169         (combine_reaching_defs): Likewise.
170         (get_defs): Rename confusingly named variable.
171         (find_and_remove_re): Skip a candidate if the extension expression has
172         been modified.
173
174 2012-01-21  Robert Millan  <rmh@gnu.org>
175             Gerald Pfeifer  <gerald@pfeifer.com>
176
177         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
178         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
179
180 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
181
182         PR tree-optimization/51914
183         * tree-vect-stmts.c (vectorizable_conversion): For
184         cvt_type && modifier == WIDEN, put temporary with cvt_type
185         at the beginning of vec_dsts and set vec_dest to temporary
186         with vectype_out.
187
188 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
189
190         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
191
192 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
193
194         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
195         * config/rs6000/rs6000.c: Likewise.
196
197 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
198
199         PR target/51915
200         * config/arm/arm.c (arm_count_output_move_double_insns): Call
201         output_move_double on a copy of operands array.
202
203 2012-01-20  Cary Coutant  <ccoutant@google.com>
204             Dodji Seketeli  <dodji@redhat.com>
205
206         PR debug/45682
207         * dwarf2out.c (copy_declaration_context): Return ref to parent
208         of declaration DIE, if necessary.
209         (remove_child_or_replace_with_skeleton): Add new parameter; update
210         caller.  Place skeleton DIE under parent DIE of original declaration.
211         Move call to copy_declaration_context to here ...
212         (break_out_comdat_types): ... from here.
213
214 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
215
216         PR rtl-optimization/51856
217         * reload.c (find_reloads_subreg_address): Set the address_reloaded
218         flag to reloaded.
219
220 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
221
222         PR target/51819
223         * config/arm/arm.c (arm_print_operand): Correct output of alignment
224         hints for neon loads and stores.
225
226 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
227
228         PR target/49868
229         PR target/50887
230         * doc/extend.texi (Named Address Spaces): Split into subsections.
231         (AVR Named Address Spaces): New subsection.
232         (M32C Named Address Spaces): New subsection.
233         (RL78 Named Address Spaces): New subsection.
234         (SPU Named Address Spaces): New subsection.
235         (Variable Attributes): New anchor "AVR Variable Attributes".
236         (AVR Variable Attributes): Rewrite and avoid wording
237         "address space" in this context.
238         * doc/invoke.texi (AVR Options): Rewrite and add documentation
239         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
240         (AVR Built-in Macros): New subsubsection therein.
241         * doc/md.texi (AVR constraints): Remove "C04", "R".
242
243 2012-01-20  Richard Guenther  <rguenther@suse.de>
244
245         PR tree-optimization/51903
246         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
247         when removing stmts.
248
249 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
250
251         PR target/50313
252         * config/arm/arm.c (arm_load_pic_register): Use
253         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
254         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
255         (arm_pic_static_addr): Likewise.
256         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
257         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
258         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
259         (pic_load_addr_unified): New.
260
261 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
262
263         PR target/51106
264         * function.c (instantiate_virtual_regs_in_insn): Use
265         delete_insn_and_edges when removing a wrong asm insn.
266
267 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
268
269         PR rtl-optimization/40761
270         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
271         Add new member loop_num.
272         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
273         (ira_build): Remove the parameter.
274
275         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
276         (ira.c): Do not build CFG loops for one region allocation.  Remove
277         argument from ira_build call.
278
279         * ira-build.c (init_loop_tree_node): New function.
280         (create_loop_tree_nodes): Use it.  Separate the case when CFG
281         loops are not built.
282         (more_one_region_p): Check current_loops.
283         (finish_loop_tree_nodes): Separate the case when CFG loops are not
284         built.
285         (add_loop_to_tree): Process loop equal to NULL too.
286         (form_loop_tree): Separate the case when CFG loops are not built.
287         Use explicitly number for the root.
288         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
289         an assertion.
290         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
291         instead of loop->num.
292         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
293         (mark_all_loops_for_removal): Ditto.
294         (remove_unnecessary_regions): Separate the case when CFG loops
295         are not built.
296         (ira_build): Remove the parameter.  Use explicit number of regions
297         when CFG loops are not built.
298
299         * ira-color.c (print_loop_title): Separate the case for the root node.
300         Use loop_num instead of loop->num.
301         (move_spill_restore): Use loop_num instead of loop->num.
302
303         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
304         (change_loop): Ditto.
305         (change_loop): Use loop_num instead of loop->num.
306
307         * ira-lives.c (process_bb_node_lives): Ditto.
308
309         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
310
311         * ira-conflicts.c (print_allocno_conflicts): Ditto.
312
313 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
314
315         PR libmudflap/40778
316         * tree-mudflap.c (mf_artificial): New function.
317         (execute_mudflap_function_ops, execute_mudflap_function_decls,
318         mx_register_decls, mudflap_enqueue_decl): Use it.
319
320         PR target/51876
321         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
322         numbers in the insn pattern.
323
324 2012-01-19  Michael Matz  <matz@suse.de>
325
326         PR tree-optimization/46590
327         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
328         use it in remembering which conflicts we already created.
329         (add_scope_conflicts): Adjust call to above, (de)allocate helper
330         bitmap.
331
332 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
333
334         PR lto/51280
335         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
336         (merge_and_complain): Same.
337
338 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
339
340         PR bootstrap/50237
341         * config/initfini-array.h: Guard content of the header
342         with #ifdef HAVE_INITFINI_ARRAY.
343         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
344         Add initfini-array.h to tm_file here.
345         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
346         * config.gcc: Don't add initfini-array.h to tm_file here.
347         * configure: Regenerated.
348
349 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
350
351         PR rtl-optimization/51505
352         * df-problems.c (df_kill_notes): New parameter live. Update comment.
353         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
354         (df_note_bb_compute): Update the call to df_kill_notes.
355
356 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
357
358         * trans-mem.c (requires_barrier): Remove call to is_global_var.
359
360 2012-01-18  Richard Guenther  <rguenther@suse.de>
361
362         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
363         of conversions to void *.
364
365 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
366             Richard Sandiford  <rdsandiford@googlemail.com>
367
368         PR middle-end/50325
369         PR middle-end/51192
370         * optabs.h (simplify_expand_binop): Declare.
371         * optabs.c (simplify_expand_binop): Make global.
372         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
373         endian targets if the source cannot be exactly covered by word
374         mode chunks.
375
376 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
377
378         PR bootstrap/51872
379         * hard-reg-set.h (struct hard_reg_set_container): New type.
380         * target.h (struct hard_reg_set_container): Forward declare.
381         * target.def (set_up_by_prologue): New target hook.
382         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
383         * doc/tm.texi: Regenerated.
384         * function.c (thread_prologue_and_epilogue_insns): Change
385         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
386         Call targetm.set_up_by_prologue on it.
387         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
388         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
389
390 2012-01-17  Nick Clifton  <nickc@redhat.com>
391
392         * config/rx/rx.c (rx_can_use_simple_return): New function.
393         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
394         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
395
396 2012-01-17  Richard Guenther  <rguenther@suse.de>
397
398         PR middle-end/51782
399         * expr.c (expand_assignment): Take address-space information
400         from the address operand of MEM_REF and TARGET_MEM_REF.
401         (expand_expr_real_1): Likewise.
402
403 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
404
405         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
406         reload dump is requested.
407
408 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
409
410         PR other/51165
411         * trans-mem.c (requires_barrier): Call may_be_aliased.
412
413 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
414
415         PR tree-optimization/51877
416         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
417         call arguments and fndecls compare equal, instead return false if they
418         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
419         both SSA_NAMEs that are valueized the same, or they satisfy
420         operand_equal_p.
421
422 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
423
424         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
425         Solaris 11+.
426         * configure: Regenerate.
427
428 2012-01-16  Jan Hubicka  <jh@suse.cz>
429
430         PR c/12245
431         PR c++/14179
432         * convert.c (convert_to_integer): Use fold_convert for
433         converting an INTEGER_CST to integer type.
434
435 2012-01-16  Jason Merrill  <jason@redhat.com>
436
437         PR c++/14179
438         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
439
440 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
441
442         PR bootstrap/51860
443         * config/s390/s390.c (s390_chunkify_start): Don't skip
444         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
445         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
446         If insn is followed by NOTE_INSN_VAR_LOCATION or
447         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
448         Don't use location of note insns.
449
450         PR tree-optimization/51865
451         * tree-inline.c (tree_function_versioning): Call remap_decl
452         on DECL_RESULT whenever it has VOID_TYPE_P type.
453
454 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
455
456         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
457         for calls to locally-binding MIPS16 functions if only the return
458         type uses float regs.
459
460 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
461             Richard Sandiford  <rdsandiford@googlemail.com>
462
463         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
464         (SYMBOL_32_HIGH): Likewise.
465         (mips_output_tls_reloc_directive): Declare.
466         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
467         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
468         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
469         (mips_lo_relocs, mips_hi_relocs): Make extern.
470         (mips16_stub_function): Move up file.
471         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
472         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
473         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
474         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
475         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
476         (mips_get_tp): Add MIPS16 support.
477         (mips_legitimize_tls_address): Remove MIPS16 sorry().
478         Generalize DTPREL and TPREL handling.
479         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
480         Add MIPS16 TLS support.
481         (mips_output_tls_reloc_directive): New function.
482         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
483         * config/mips/predicates.md (symbolic_operand_with_high)
484         (tls_reloc_operand): New predicates.
485         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
486         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
487         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
488         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
489         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
490         (*tls_get_tp_mips16_call_<mode>): Likewise.
491
492 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
493
494         PR rtl-optimization/51821
495         * recog.c (peep2_find_free_register): Determine clobbered registers
496         from insn pattern.
497
498 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
499
500         PR target/50925
501         * config/avr/avr-protos.h: Revert change of 2012-01-09.
502         * config/avr/avr.c: Likewise.
503         * config/avr/avr.h: Likewise.
504
505 2012-01-13  Ian Lance Taylor  <iant@google.com>
506
507         PR c++/50012
508         * tree.h (TYPE_QUALS): Add cast to int.
509         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
510
511 2012-01-13  Ian Lance Taylor  <iant@google.com>
512
513         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
514         comparing param_index to VEC_length result.
515
516 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
517
518         * c-decl.c: Do not include tree-mudflap.h
519         * tree-optimize.c: Likewise.
520         * Makefile.in: Update dependencies.
521
522 2012-01-13  Richard Guenther  <rguenther@suse.de>
523
524         PR middle-end/8081
525         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
526         variable-sized result always use RSO.
527
528 2012-01-12  DJ Delorie  <dj@redhat.com>
529
530         * cfgexpand.c (convert_debug_memory_address): Allow any valid
531         pointer type, not just the default pointer type.
532
533 2012-01-09  Richard Henderson  <rth@redhat.com>
534             Denis Chertykov  <chertykov@gmail.com>
535
536         PR target/50925
537         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
538         * config/avr/avr.c (avr_can_eliminate): Simplify.
539         (avr_initial_elimination_offset): Likewise.
540         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
541         (expand_epilogue): Likewise.
542         (avr_legitimize_address): Gut.
543         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
544         (avr_hard_regno_nregs): New.
545         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
546         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
547         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
548         add soft frame pointer.
549         (CALL_USED_REGISTERS): Likewise.
550         (REG_CLASS_CONTENTS): Likewise.
551         (REGISTER_NAMES): Likewise.
552         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
553         (HARD_FRAME_POINTER_REGNUM): New.
554         (FRAME_POINTER_REGNUM): Use soft frame pointer.
555         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
556         remove the HARD_FRAME_POINTER self-elimination.
557
558 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
559
560         PR target/51756
561         * config/avr/avr.c (avr_encode_section_info): Test for absence of
562         DECL_EXTERNAL when checking for initializers of progmem variables.
563
564 2012-01-12  Ira Rosen  <irar@il.ibm.com>
565
566         PR tree-optimization/51799
567         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
568         that the last operation is a type demotion.
569
570 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
571
572         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
573         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
574
575 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
576
577         PR bootstrap/51796
578         * combine.c (distribute_notes): If i3 is a noreturn call,
579         allow old_size to be equal to args_size and make sure the
580         noreturn call gets REG_ARGS_SIZE note.
581         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
582         on noreturn calls even when the delta is 0.
583
584 2012-01-11  Nathan Sidwell  <nathan@acm.org>
585
586         * gcov.c (STRING_SIZE): Remove.
587         (generate_results): Erase annotations for source files with no
588         coverage information.
589         (read_line): New.
590         (output_lines): Use it.
591
592 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
593
594         * gimple.h (gimplify_body): Remove first argument.
595         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
596         pointer set here, instead just pass DATA to walk_tree.
597         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
598         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
599         (unvisit_body): Likewise, but with unmark_visited.
600         (gimplify_body): Remove BODY_P argument and adjust.
601         (gimplify_function_tree): Adjust call to gimplify_body.
602         * omp-low.c (finalize_task_copyfn): Likewise.
603
604 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
605
606         * tree.h (build_function_decl_skip_args): Add boolean parameter.
607         (build_function_type_skip_args): Delete.
608         * tree.c (build_function_type_skip_args): Make static and add
609         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
610         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
611         pass it to build_function_type_skip_args.
612         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
613         (tree_function_versioning): Likewise.
614         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
615         build_function_decl_skip_args.
616         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
617         and pass it to build_function_decl_skip_args/tree_function_versioning.
618         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
619         * ipa-inline-transform.c (save_inline_function_body): Likewise.
620         * trans-mem.c (ipa_tm_create_version): Likewise.
621         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
622         * tree-inline.c (declare_return_variable): Remove always-true test.
623         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
624         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
625         * ipa-split.c (split_function): Skip the return value for the split
626         part if it doesn't return.
627
628 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
629
630         PR tree-optimization/49642
631         * ipa-split.c (forbidden_dominators): New variable.
632         (check_forbidden_calls): New function.
633         (dominated_by_forbidden): Likewise.
634         (consider_split): Check for forbidden dominators.
635         (execute_split_functions): Initialize and free forbidden
636         dominators info; call check_forbidden_calls.
637
638 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
639
640         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
641
642 2012-01-11  Nick Clifton  <nickc@redhat.com>
643
644         * config/rx/rx.md (return): Define pattern.
645
646 2012-01-11  Richard Guenther  <rguenther@suse.de>
647
648         * doc/extend.texi (malloc attribute): Adjust according to
649         implementation.
650
651 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
652             Patrick Marlier  <patrick.marlier@gmail.com>
653
654         PR middle-end/51516
655         * trans-mem.c (get_cg_data): Traverse aliases if requested.
656         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
657         (ipa_tm_note_irrevocable): Same.
658         (ipa_tm_scan_irr_block): Same.
659         (ipa_tm_decrement_clone_counts): Same.
660         (ipa_tm_scan_irr_function): Same.
661         (ipa_tm_create_version_alias): Same.
662         (ipa_tm_create_version): Same.
663         (ipa_tm_transform_calls_redirect): Same.
664         (ipa_tm_transform_calls): Same.
665         (ipa_tm_transform_transaction): Same.
666         (ipa_tm_execute): Same.
667
668 2012-01-10  Richard Guenther  <rguenther@suse.de>
669
670         PR middle-end/51806
671         * opts.c (common_handle_option): Handle -Werror.
672
673 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
674
675         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
676         operand number.
677
678 2012-01-10  Jason Merrill  <jason@redhat.com>
679
680         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
681         information.
682
683 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
684
685         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
686         supports R_386_TLS_GD_PLT reloc.
687         (gcc_cv_as_ix86_tlsldmplt): Check if linker
688         supports R_386_TLS_LDM_PLT reloc.
689         * configure: Regenerate.
690         * config.in: Regenerate.
691
692 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
693
694         PR target/49868
695         Extend __pgmx semantics to linearize memory.
696         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
697         determine if code comes inline or from libgcc.
698         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
699         (movmem_qi, movmem_qi): Set constraint #2 to "n".
700         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
701         (movmemx_qi, movmemx_hi): New insns.
702         (xload_<mode>_libgcc): Rewrite to new insn condition.
703         (xload_<mode>): Remove insns.
704         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
705         cases that don't satisfy avr_xload_libgcc_p().
706         (avr_addr_space_convert): Allow converting in any direction.
707         (avr_addr_space_subset_p): Return always true.
708         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
709         (avr_emit_movmemhi): Ditto.
710         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
711         (avr_out_movmem): Ditto.
712         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
713         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
714         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
715         (avr_encode_section_info): Encode 'progmem' in symbol flags.
716         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
717
718 2012-01-10  Richard Guenther  <rguenther@suse.de>
719
720         PR tree-optimization/50913
721         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
722         Require data-refs to be representable by Graphite with respect
723         to any loop nest.
724
725 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
726
727         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
728         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
729
730 2012-01-10  Tom de Vries  <tom@codesourcery.com>
731
732         PR rtl-optimization/51271
733         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
734         handling annulled branch.
735
736 2012-01-10  Richard Henderson  <rth@redhat.com>
737
738         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
739         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
740         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
741         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
742         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
743         arm_expand_vec_perm_const): New.
744         * config/arm/arm-protos.h: Update.
745         * config/arm/neon.md (UNSPEC_VCONCAT): New.
746         (*neon_vswp<VDQX>): New.
747         (neon_vcombine<VDX>): Use neon_split_vcombine.
748         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
749         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
750         (vec_perm<VE>): New.
751
752 2012-01-10  Richard Henderson  <rth@redhat.com>
753
754         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
755         use it if reload_completed.
756         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
757         arm_output_asm_insn, arm_process_output_memory_barrier,
758         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
759         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
760         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
761         arm_process_output_sync_insn, arm_output_sync_insn,
762         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
763         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
764         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
765         (emit_unlikely_jump): New.
766         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
767         (arm_split_atomic_op): New.
768         * config/arm/arm-protos.h: Update.
769         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
770         (struct arm_sync_generator): Remove.
771         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
772         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
773         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
774         (VUNSPEC_LL, VUNSPEC_SC): New.
775         (sync_result, sync_memory, sync_required_value, sync_new_value,
776         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
777         (attr length): Don't use arm_sync_loop_insns.
778         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
779         (movsfcc, movdfcc): Likewise.
780         * config/arm/constraints.md (Ua): New.
781         * config/arm/prediates.md (mem_noofs_operand): New.
782         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
783         (sync_clobber, sync_t2_reqd): Remove.
784         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
785         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
786         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
787         (arm_sync_compare_and_swap<SIDI>): Remove.
788         (arm_sync_compare_and_swap<NARROW>): Remove.
789         (arm_sync_lock_test_and_set<SIDI>): Remove.
790         (arm_sync_lock_test_and_set<NARROW>): Remove.
791         (arm_sync_new_<syncop><SIDI>): Remove.
792         (arm_sync_new_<syncop><NARROW>): Remove.
793         (arm_sync_new_nand<SIDI>): Remove.
794         (arm_sync_new_nand<NARROW>): Remove.
795         (arm_sync_old_<syncop><SIDI>): Remove.
796         (arm_sync_old_<syncop><NARROW>): Remove.
797         (arm_sync_old_nand<SIDI>): Remove.
798         (arm_sync_old_nand<NARROW>): Remove.
799         (*memory_barrier): Merge arm_output_memory_barrier.
800         (atomic_compare_and_swap<QHSD>): New.
801         (atomic_compare_and_swap<NARROW>_1): New.
802         (atomic_compare_and_swap<SIDI>_1): New.
803         (atomic_exchange<QHSD>): New.
804         (cas_cmp_operand, cas_cmp_str): New.
805         (atomic_op_operand, atomic_op_str): New.
806         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
807         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
808         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
809         (arm_load_exclusive<NARROW>): New.
810         (arm_load_exclusivesi, arm_load_exclusivedi): New.
811         (arm_store_exclusive<QHSD>): New.
812
813 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
814
815         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
816         reload patterns if -mvsx-scalar-memory.
817
818         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
819         generated, even -mno-vsx-scalar-double was used.
820         (vsx_xscvdpsp_scalar): Likewise.
821         (vsx_xscvspdp_scalar2): Likewise.
822
823 2012-01-09  Tom de Vries  <tom@codesourcery.com>
824             Andrew Pinski  <apinski@cavium.com>
825
826         PR debug/51471
827         * reorg.c (fill_slots_from_thread): Don't speculate
828         frame-related insns.
829
830 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
831
832         * sched-int.h (bb_note): Move to...
833         * basic-block.h: ...here.
834         * haifa-sched.c (bb_note): Move to...
835         * cfgrtl.c: ...here.
836         * function.c (next_block_for_reg): New function.
837         (move_insn_for_shrink_wrap): Likewise.
838         (prepare_shrink_wrap): Rewrite to use the above.
839
840 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
841
842         * gimple.c (is_gimple_non_addressable): Remove.
843         * gimple.h: Remove is_gimple_non_addressable.
844         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
845         is_gimple_non_addressable.
846         * trans-mem.c (expand_assign_tm): Same.
847
848 2012-01-09  Richard Guenther  <rguenther@suse.de>
849
850         PR tree-optimization/51775
851         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
852         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
853
854 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
855
856         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
857         tuning parameters.
858         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
859
860 2012-01-09  Richard Guenther  <rguenther@suse.de>
861
862         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
863
864 2012-01-08  Jan Hubicka  <jh@suse.cz>
865
866         PR tree-optimize/51680
867         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
868         on when known_vals needs to be computed; cleanup.
869
870 2012-01-08  Jan Hubicka  <jh@suse.cz>
871
872         PR tree-optimize/51694
873         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
874
875 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
876
877         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
878         for -std=c++98 and -std=c++11 too.
879
880 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
881
882         * cfgloop.c (cancel_loop): Add free() of bbs array.
883
884 2012-01-07  Jan Hubicka  <jh@suse.cz>
885
886         PR tree-optimization/51600
887         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
888         that benefits small functions.
889
890 2012-01-07  Jan Hubicka  <jh@suse.cz>
891
892         * ipa-inline.c (want_inline_small_function_p): Fix formating.
893
894 2012-01-07  Jan Hubicka  <jh@suse.cz>
895
896         PR tree-optimization/51680
897         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
898         whose inlining reduce unit size.
899
900 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
901
902         PR bootstrap/51725
903         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
904         Add canonical node to containing_mem chain after the non-canonical
905         one, even if there weren't any locs to propagate.
906         (remove_useless_values): Keep only canonical values.
907         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
908         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
909         canonicalize mem_chain elements that are not discarded.
910
911 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
912
913         PR target/47333
914         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
915         before emitting functions.
916
917         PR gcov-profile/50127
918         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
919         clear_aux_for_blocks.
920
921 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
922
923         PR debug/51746
924         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
925
926 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
927
928         * c-decl.c (ext_block): Moved up.
929         (collect_all_refs, for_each_global_decl): Take ext_block into account.
930
931 2012-01-06  Han Shen  <shenhan@google.com>
932
933         Translate built-in include paths for sysroot.
934         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
935         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
936
937         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
938         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
939
940         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
941         control whether sysroot should be prepended to gxx include dir.
942
943         * configure: Regenerate.
944
945 2012-01-06  Torvald Riegel  <triegel@redhat.com>
946
947         PR rtl-optimization/51771
948         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
949         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
950
951 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
952
953         PR tree-optimization/51315
954         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
955         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
956
957 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
958
959         PR target/51681
960         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
961         for shrp pattern.  Correctly handle and fixup shift variable.
962         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
963
964 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
965
966         PR debug/51762
967         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
968         note when !ACCUMULATE_OUTGOING_ARGS.
969
970 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
971
972         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
973         condition.
974         (extract_range_from_unary_expr_1): Avoid useless computations.
975
976 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
977
978         PR rtl-optimization/51767
979         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
980         of jump_block and add an extra edge for degenerated asm gotos.
981
982         PR middle-end/51768
983         * stmt.c (check_unique_operand_names): Don't ICE during error
984         reporting if i is from labels chain.
985
986         PR middle-end/44777
987         * profile.c (branch_prob): Split bbs that have exit edge
988         and need a fake entry edge too.
989
990 2012-01-05  Jan Hubicka  <jh@suse.cz>
991
992         PR middle-end/49710
993         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
994         unlooping loops.
995
996 2012-01-05  Richard Guenther  <rguenther@suse.de>
997
998         PR lto/50490
999         * tree-streamer-out.c (write_ts_optimization): New function.
1000         (streamer_write_tree_body): Call it.
1001         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1002         (streamer_read_tree_body): Call it.
1003         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1004
1005 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1006
1007         PR middle-end/51761
1008         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1009         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1010         in_cleanup_point_expr before gimplify_stmt call and restore it
1011         afterwards.
1012         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1013         in_cleanup_point_expr is false.
1014
1015 2012-01-05  Richard Guenther  <rguenther@suse.de>
1016
1017         PR middle-end/51764
1018         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1019         to c.opt.
1020         * toplev.c (process_options): Reject combining mudflap and LTO.
1021         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1022
1023 2012-01-05  Richard Guenther  <rguenther@suse.de>
1024
1025         PR tree-optimization/51760
1026         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1027         not VARYING.
1028         (bit_value_unop): Handle UNDEFINED operands.
1029         (bit_value_binop): Likewise.
1030
1031 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1032
1033         * config/avr/avr.c (avr_replace_prefix): Remove.
1034         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1035         (avr_asm_function_rodata_section): Ditto.
1036         (avr_asm_select_section): Ditto.
1037
1038 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1039
1040         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1041         insertion.
1042
1043 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1044
1045         PR bootstrap/51648
1046         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1047         calls that have any non-fake successor edges.
1048
1049         PR debug/51746
1050         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1051
1052 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1053
1054         PR tree-optimization/51624
1055         * tree-sra.c (build_ref_for_model): When replicating a chain of
1056         COMPONENT_REFs, stop as soon as the offset would become negative.
1057
1058 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1059
1060         PR debug/51695
1061         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1062         in .debug_loc on the floor.
1063
1064 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1065
1066         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1067
1068 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1069             Adam Nemet  <anemet@caviumnetworks.com>
1070
1071         * config/mips/mips.md (size): Add SI and DI.
1072         (SIZE): New mode attribute.
1073         (U): New code attribute.
1074         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1075         (mips_lbux_<mode>): Delete.
1076         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1077         (mips_lhx): Use gen_mips_lhx_extsi.
1078         (mips_lhx_<mode>): Delete.
1079         (mips_lwx): Delete.
1080         (mips_l<size>x): New expand.
1081         (mips_lwx_<mode>): Delete.
1082         (mips_l<GPR:size>x_<P:mode>): New pattern.
1083         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1084         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1085         * config/mips/mips.c (mips_lx_address_p): New function.
1086         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1087         (dsp64): New availability predicate.
1088         (mips_builtins): Add an entry for __builtin_mips_ldx.
1089         * config/mips/mips.h (ISA_HAS_LBX): New define.
1090         (ISA_HAS_LBUX): Likewise.
1091         (ISA_HAS_LHX): Likewise.
1092         (ISA_HAS_LHUX): Likewise.
1093         (ISA_HAS_LWX): Likewise.
1094         (ISA_HAS_LWUX): Likewise.
1095         (ISA_HAS_LDX): Likewise.
1096         * doc/extend.texi (__builtin_mips_ldx): Document.
1097
1098 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1099
1100         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1101         when long pointers are used.
1102         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1103         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1104         (ia64-hp-*vms*): Remove.
1105         * config/vms/xm-vms64.h: Delete.
1106
1107 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1108
1109         PR middle-end/51472
1110         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1111
1112 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1113
1114         * opts.c (finish_options): Remove duplicate sorry.
1115
1116 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1117
1118         PR middle-end/51696
1119         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1120         correctly.
1121
1122 2012-01-04  Richard Guenther  <rguenther@suse.de>
1123
1124         PR middle-end/51750
1125         * tree.c (size_low_cst): New function.
1126         * tree.h (size_low_cst): Declare.
1127         * fold-const.c (fold_comparison): Use it to extract the low
1128         part of the POINTER_PLUS_EXPR offset.
1129
1130 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1131
1132         Fix clearing ZERO_REG
1133         * config/avr/avr.md (cc): Add alternative "ldi".
1134         (movqi_insn): Use it in cc attribute.
1135         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1136         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1137         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1138
1139 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1140
1141         * configure: Regenerate.
1142
1143 2012-01-04  Richard Guenther  <rguenther@suse.de>
1144
1145         PR tree-optimization/49651
1146         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1147         (var_can_have_subvars): Use it.
1148         (get_constraint_for_1): Only consider subfields if there can be any.
1149
1150 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1151
1152         PR bootstrap/51725
1153         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1154         to its new canonical_cselib_val and the cselib_val was in
1155         first_containing_mem chain, but the canonical_cselib_val was not,
1156         add the latter into the chain.
1157         (cselib_invalidate_mem): Compare canonical_cselib_val of
1158         addr_list chain elt with v.
1159
1160         PR pch/51722
1161         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1162         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1163         of xstrdup.
1164         (output_macinfo_op): Don't ggc_strdup fd->filename.
1165         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1166         then ggc_strdup it.  Don't free inc->info or cur->info.
1167         (output_macinfo): Don't free ref->info or file->info.
1168
1169 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1170
1171         PR tree-optimization/51269
1172         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1173         first_niters a pointer.
1174         (slpeel_tree_peel_loop_to_edge): Likewise.
1175         (vect_do_peeling_for_loop_bound): Update call to
1176         slpeel_tree_peel_loop_to_edge.
1177         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1178         here.  Remove it from the parameters list.
1179         (vect_do_peeling_for_alignment): Update calls and compute
1180         wide_prolog_niters.
1181
1182 2012-01-03  Richard Guenther  <rguenther@suse.de>
1183
1184         PR tree-optimization/51070
1185         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1186         Properly handle calls.
1187
1188 2012-01-03  Richard Guenther  <rguenther@suse.de>
1189
1190         PR tree-optimization/51692
1191         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1192         the LHS of allocation stmts.
1193
1194 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1195
1196         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1197
1198 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1199
1200         * collect2.c (main): In AIX specific computations for vector
1201         insertions, use CONST_CAST2 to cast from char ** to const char **.
1202
1203 2012-01-03  Richard Guenther  <rguenther@suse.de>
1204
1205         PR debug/51650
1206         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1207         the context of a limbo DIE when it does not already exist.
1208
1209 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1210
1211         PR tree-optimization/51719
1212         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1213         but direct call is, clear direct call's lhs and don't add fallthrough
1214         edge from dcall_bb to join_bb and PHIs.
1215
1216 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1217
1218         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1219         the instructions emitted by the pattern.
1220         ("*TDC_insn_<mode>"): Add comment.
1221
1222 2012-01-03  Richard Guenther  <rguenther@suse.de>
1223
1224         PR middle-end/51730
1225         * fold-const.c (fold_comparison): Properly canonicalize
1226         tree offset and HOST_WIDE_INT bit position.
1227
1228 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1229
1230         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1231         operands for extzv pattern.
1232
1233 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1234
1235         PR bootstrap/51725
1236         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1237         on mem_elt first.
1238
1239 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1240
1241         * doc/invoke.texi (-flto and related options): Copy-edit.
1242
1243 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1244
1245         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1246
1247 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1248
1249         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1250         New patterns.
1251
1252 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1253
1254         * expr.h (move_by_pieces_ninsns): Declare.
1255         * expr.c (move_by_pieces_ninsns): Make external.
1256         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1257         (mips_store_by_pieces_p): Likewise.
1258         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1259         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1260         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1261         (mips_store_by_pieces_p): Likewise.
1262
1263 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1264
1265         * passes.c (register_one_dump_file): Free full_name.
1266
1267         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1268         (calculate_elim_costs_all_insns): Free offsets_at and
1269         offsets_known_at at the end and clear the pointers.
1270
1271 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1272
1273         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1274         this option introduced in r180739.
1275
1276 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1277
1278         PR target/51345
1279         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1280         (tmake_file target=avr): Add avr/t-multilib.
1281
1282         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1283         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1284         * config/avr/genmultilib.awk: New file.
1285         * config/avr/t-multilib: New auto-generated file.
1286         * config/avr/multilib.h: New auto-generated file.
1287         * config/avr/t-avr (AVR_MCUS): New variable.
1288         (genopt.sh): Use it.
1289         (s-mlib): Depend on t-multilib.
1290         (t-multilib, multilib.h): New dependencies.
1291         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1292         (MULTILIB_OPTIONS): Remove.
1293         (MULTILIB_MATCHES): Remove.
1294         (MULTILIB_DIRNAMES): Remove.
1295         (MULTILIB_EXCEPTIONS): Remove:
1296         * config/avr/genopt.sh: Don't use hard coded file name;
1297         pass AVR_MCUS from t-avr instead.
1298
1299 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1300
1301         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1302
1303 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1304
1305         Implement light-weight DImode support.
1306         * config/avr/avr-dimode.md: New file.
1307         * config/avr/avr.md: Include it.
1308         (adjust_len): Add plus64, compare64.
1309         (HIDI): Remove code iterator.
1310         (code_stdname): New code attribute.
1311         (rotx, rotsmode): Remove DI.
1312         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1313         as code iterator.
1314         * config/avr/avr-protos.h (avr_have_dimode): New.
1315         (avr_out_plus64, avr_out_compare64): New.
1316         * config/avr/avr.c (avr_out_compare): Handle DImode.
1317         (avr_have_dimode): New variable definition and initialization.
1318         (avr_out_compare64, avr_out_plus64): New functions.
1319         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1320         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1321         (avr_compare_pattern): Skip DImode comparisons.
1322
1323 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1324
1325         * ddg.c (def_has_ccmode_p): New function.
1326         (add_cross_iteration_register_deps,
1327         create_ddg_dep_from_intra_loop_link): Call it.
1328
1329 2012-01-02  Richard Guenther  <rguenther@suse.de>
1330
1331         PR other/51679
1332         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1333
1334 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1335
1336         * gcc.c (process_command): Update copyright notice dates.
1337         * gcov.c (print_version): Likewise.
1338         * gcov-dump.c (print_version): Likewise.
1339         * mips-tfile.c (main): Likewise.
1340         * mips-tdump.c (main): Likewise.
1341
1342 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1343
1344         PR tree-optimization/51704
1345         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1346         a use is inside the basic block or loop before accessing its vect info.
1347
1348 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1349
1350         PR rtl-optimization/51069
1351         * cfgloopmanip.c (remove_path): Removing path making irreducible
1352         region unconditional makes BB part of the region.
1353
1354 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1355
1356         PR tree-optimization/51683
1357         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1358         calls with side-effects.
1359         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1360 \f
1361 Copyright (C) 2012 Free Software Foundation, Inc.
1362
1363 Copying and distribution of this file, with or without modification,
1364 are permitted in any medium without royalty provided the copyright
1365 notice and this notice are preserved.