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