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