OSDN Git Service

2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
2
3         PR rtl-optimization/48308
4         * combine.c (enum undo_kind): Add UNDO_LINKS.
5         (struct undo): Add member l to other_contents and where.
6         (do_SUBST_LINK): New.
7         (SUBST_LINK): New.
8         (try_combine): Handle LOG_LINKS for the dummy i1 case.
9         (undo_all): Handle UNDO_LINKS.
10
11 2012-01-25  Richard Henderson  <rth@redhat.com>
12
13         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
14         mem inputs.
15
16 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
17
18         * optabs.c (gen_atomic_test_and_set): Use each argument.
19
20 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
21
22         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
23         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
24         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
25         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
26         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
27         TARGET_PAIRED_SINGLE_FLOAT.
28
29 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
30
31         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
32         (in_struct, return_val): Remove MEM documentation.
33         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
34         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
35         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
36         and MEM_SCALAR.
37         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
38         * cfgexpand.c (add_alias_set_conflicts): Likewise.
39         * expr.c (store_field): Likewise.
40         * function.c (assign_stack_temp_for_type): Likewise.
41         * ifcvt.c (noce_try_cmove_arith): Likewise.
42         * reload1.c (reload): Likewise.
43         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
44         (alpha_set_memflags): Likewise.
45         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
46
47 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
48
49         * rtl.h (true_dependence, canon_true_dependence): Remove varies
50         parameter.
51         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
52         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
53         (true_dependence_1, true_dependence, canon_true_dependence): Remove
54         varies parameter.
55         * cselib.c (cselib_rtx_varies_p): Delete.
56         (cselib_invalidate_mem): Update call to canon_true_dependence.
57         * dse.c (record_store, check_mem_read_rtx): Likewise.
58         (scan_reads_nospill): Likewise.
59         * cse.c (check_dependence): Likewise.
60         (cse_rtx_varies_p): Delete.
61         * expr.c (safe_from_p): Update call to true_dependence.
62         * ira.c (validate_equiv_mem_from_store): Likewise.
63         (memref_referenced_p): Likewise.
64         * postreload-gcse.c (find_mem_conflicts): Likewise.
65         * sched-deps.c (sched_analyze_2): Likewise.
66         * store-motion.c (load_kills_store): Likewise.
67         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
68         * gcse.c (mems_conflict_for_gcse_p): Likewise.
69         (compute_transp): Update call to canon_true_dependence.
70
71 2012-01-25  Richard Henderson  <rth@redhat.com>
72
73         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
74         (maybe_emit_atomic_test_and_set): New.
75         (expand_sync_lock_test_and_set): Use it.
76         (expand_atomic_test_and_set): Likewise.
77         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
78         the implementation; clarify implementation defined details.
79         * doc/md.texi (atomic_test_and_set): Document.
80
81 2012-01-25  Richard Henderson  <rth@redhat.com>
82
83         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
84
85 2012-01-25  Richard Henderson  <rth@redhat.com>
86
87         PR target/51968
88         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
89         to effect no-op split.
90
91 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
92             Patrick Marlier  <patrick.marlier@gmail.com>
93
94         * trans-mem.c (requires_barrier): Do not instrument thread local
95         variables and emit save/restore for them.
96
97 2012-01-24  Jason Merrill  <jason@redhat.com>
98
99         PR c++/51812
100         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
101         output static aliases.
102
103 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
104
105         PR driver/47249
106         * common.opt (-pie, -shared, pie, shared): Change from Common to
107         Driver.
108         * gcc.c (display_help): Display help for -pie and -shared.
109
110 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
111
112         PR target/49868
113         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
114         Remove note on size/offset limitation.
115         (AVR Variable Attributes): Add example how to read data located
116         with progmem.  Refer to named address spaces.
117         * doc/invoke.texi (AVR Options): Fix typo.
118
119 2012-01-24  Richard Guenther  <rguenther@suse.de>
120
121         Forward-port to trunk
122         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
123
124         PR middle-end/45678
125         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
126         op0 isn't sufficiently aligned and there is movmisalignM
127         insn for mode, use it to load op0 into a temporary register.
128
129 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
130
131         PR target/51957
132         * target.def (const_not_ok_for_debug_p): New hook.
133         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
134         documentation.
135         * doc/tm.texi: Regenerated.
136         * dwarf2out.c (const_ok_for_output_1): If
137         targetm.const_not_ok_for_debug_p returns true, fail.
138         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
139         function.
140         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
141
142 2012-01-23  Kai Tietz  <ktietz@redhat.com>
143
144         PR target/51900
145         * config/i386/predicates.md (symbolic_operand): Allow
146         UNSPEC_PCREL as PIC expression for lea.
147         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
148         * config/i386/i386.c (ix86_delegitimize_address): Handle
149         UNSPEC_PCREL for none-MEM, too.
150
151 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
152
153         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
154         (ipa_tm_create_version_alias): Same.
155
156 2012-01-18  Uros Bizjak  <ubizjak@gmail.com>
157
158         PR libitm/51830
159         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
160         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
161
162 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
163             Patrick Marlier  <patrick.marlier@gmail.com>
164             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
165
166         PR lto/51916
167         * lto-wrapper.c (run_gcc): Pass the LTO section name to
168         simple_object_start_read.
169
170 2012-01-23  Richard Guenther  <rguenther@suse.de>
171
172
173         PR tree-optimization/51895
174         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
175         parameter decomposition into BLKmode components.
176
177 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
178
179         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
180         fake variables for restrict-qualified pointers whose pointed-to type
181         contains a placeholder.
182
183 2012-01-23  Richard Guenther  <rguenther@suse.de>
184
185         PR tree-optimization/51949
186         * ipa-split.c (execute_split_functions): Do not split malloc functions.
187
188 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
189
190         PR rtl-optimization/51933
191         * ree.c (transform_ifelse): Return true right away if dstreg is
192         already wider or equal to cand->mode.
193         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
194         (make_defs_and_copies_lists): Remove defs_list and copies_list
195         arguments, add state argument, just truncate state->work_list
196         instead of always allocating and freeing the vector.  Assert that
197         get_defs succeeds instead of returning 2.  Changed return type to bool.
198         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
199         have ext_src_mode, see if it has been modified already with the
200         right kind of extension and has been extended before from the
201         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
202         just return true.  Remember the original mode in state->modified array.
203         (combine_reaching_defs): Add state argument.  Don't allocate and
204         free here def_list, copied_list and vec vectors, instead just
205         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
206         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
207         Add state variable, clear vectors in it, initialize state.modified
208         if needed.  Free all the vectors at the end and state.modified too.
209         Don't skip a candidate if the extension expression has been modified.
210
211 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
212
213         PR target/47096
214         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
215          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
216         (extra_options) interix.opt -> i386/interix.opt"
217         (extra_objs):Add winnt-stubs.o
218         * configure.ac: Add interix to target_os .comm on PE check.
219         * configure: Regenerate.
220         * config/interix3.h: Delete and move bits to..
221         * config/interix.h: Delete and move bits to..
222         * config/i386/i386-interix3.h: Delete and move bits to..
223         * config/i386/i386-interix.h: ..here.
224         (TARGET_CPU_DEFAULT): Remove redefinition.
225         (TARGET_ASM_CONSTRUCTOR): Undefine.
226         (SUBTARGET_SWITCHES): Define for ms-bitfields.
227         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
228         (PTRDIFF_TYPE): Define.
229         (LONG_DOUBLE_TYPE_SIZE): Define.
230         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
231         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
232         (TARGET_SECTION_TYPE_FLAGS): Define.
233         (ASM_DECLARE_FUNCTION_NAME): Define.
234         (ASM_OUTPUT_EXTERNAL): Define.
235         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
236         (ASM_OUTPUT_ALIGNED_BSS): Define.
237         (PCC_BITFIELD_TYPE_MATTERS): Define.
238         (USE_CONST_SECTION): Define.
239         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
240         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
241         (SUPPORTS_ONE_ONLY): Remove.
242         (I386_PE_STRIP_ENCODING): Define.
243         * config/interix.opt: Delete and move bits to..
244         * config/i386/interix.opt: ..here. New.
245         (mpe-aligned-commons): Add.
246         * config/i386/t-interix: Add copyright header.
247         (winnt-stubs.o): Add rule.
248
249 2012-01-22  Jason Merrill  <jason@redhat.com>
250
251         PR c++/51832
252         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
253         for extra name aliases.
254
255 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
256
257         PR rtl-optimization/51924
258         * ree.c (combine_set_extension): Improve debugging message.
259         (combine_reaching_defs): Likewise.
260         (get_defs): Rename confusingly named variable.
261         (find_and_remove_re): Skip a candidate if the extension expression has
262         been modified.
263
264 2012-01-21  Robert Millan  <rmh@gnu.org>
265             Gerald Pfeifer  <gerald@pfeifer.com>
266
267         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
268         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
269
270 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
271
272         PR tree-optimization/51914
273         * tree-vect-stmts.c (vectorizable_conversion): For
274         cvt_type && modifier == WIDEN, put temporary with cvt_type
275         at the beginning of vec_dsts and set vec_dest to temporary
276         with vectype_out.
277
278 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
279
280         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
281
282 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
283
284         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
285         * config/rs6000/rs6000.c: Likewise.
286
287 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
288
289         PR target/51915
290         * config/arm/arm.c (arm_count_output_move_double_insns): Call
291         output_move_double on a copy of operands array.
292
293 2012-01-20  Cary Coutant  <ccoutant@google.com>
294             Dodji Seketeli  <dodji@redhat.com>
295
296         PR debug/45682
297         * dwarf2out.c (copy_declaration_context): Return ref to parent
298         of declaration DIE, if necessary.
299         (remove_child_or_replace_with_skeleton): Add new parameter; update
300         caller.  Place skeleton DIE under parent DIE of original declaration.
301         Move call to copy_declaration_context to here ...
302         (break_out_comdat_types): ... from here.
303
304 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
305
306         PR rtl-optimization/51856
307         * reload.c (find_reloads_subreg_address): Set the address_reloaded
308         flag to reloaded.
309
310 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
311
312         PR target/51819
313         * config/arm/arm.c (arm_print_operand): Correct output of alignment
314         hints for neon loads and stores.
315
316 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
317
318         PR target/49868
319         PR target/50887
320         * doc/extend.texi (Named Address Spaces): Split into subsections.
321         (AVR Named Address Spaces): New subsection.
322         (M32C Named Address Spaces): New subsection.
323         (RL78 Named Address Spaces): New subsection.
324         (SPU Named Address Spaces): New subsection.
325         (Variable Attributes): New anchor "AVR Variable Attributes".
326         (AVR Variable Attributes): Rewrite and avoid wording
327         "address space" in this context.
328         * doc/invoke.texi (AVR Options): Rewrite and add documentation
329         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
330         (AVR Built-in Macros): New subsubsection therein.
331         * doc/md.texi (AVR constraints): Remove "C04", "R".
332
333 2012-01-20  Richard Guenther  <rguenther@suse.de>
334
335         PR tree-optimization/51903
336         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
337         when removing stmts.
338
339 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
340
341         PR target/50313
342         * config/arm/arm.c (arm_load_pic_register): Use
343         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
344         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
345         (arm_pic_static_addr): Likewise.
346         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
347         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
348         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
349         (pic_load_addr_unified): New.
350
351 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
352
353         PR target/51106
354         * function.c (instantiate_virtual_regs_in_insn): Use
355         delete_insn_and_edges when removing a wrong asm insn.
356
357 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
358
359         PR rtl-optimization/40761
360         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
361         Add new member loop_num.
362         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
363         (ira_build): Remove the parameter.
364
365         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
366         (ira.c): Do not build CFG loops for one region allocation.  Remove
367         argument from ira_build call.
368
369         * ira-build.c (init_loop_tree_node): New function.
370         (create_loop_tree_nodes): Use it.  Separate the case when CFG
371         loops are not built.
372         (more_one_region_p): Check current_loops.
373         (finish_loop_tree_nodes): Separate the case when CFG loops are not
374         built.
375         (add_loop_to_tree): Process loop equal to NULL too.
376         (form_loop_tree): Separate the case when CFG loops are not built.
377         Use explicitly number for the root.
378         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
379         an assertion.
380         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
381         instead of loop->num.
382         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
383         (mark_all_loops_for_removal): Ditto.
384         (remove_unnecessary_regions): Separate the case when CFG loops
385         are not built.
386         (ira_build): Remove the parameter.  Use explicit number of regions
387         when CFG loops are not built.
388
389         * ira-color.c (print_loop_title): Separate the case for the root node.
390         Use loop_num instead of loop->num.
391         (move_spill_restore): Use loop_num instead of loop->num.
392
393         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
394         (change_loop): Ditto.
395         (change_loop): Use loop_num instead of loop->num.
396
397         * ira-lives.c (process_bb_node_lives): Ditto.
398
399         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
400
401         * ira-conflicts.c (print_allocno_conflicts): Ditto.
402
403 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
404
405         PR libmudflap/40778
406         * tree-mudflap.c (mf_artificial): New function.
407         (execute_mudflap_function_ops, execute_mudflap_function_decls,
408         mx_register_decls, mudflap_enqueue_decl): Use it.
409
410         PR target/51876
411         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
412         numbers in the insn pattern.
413
414 2012-01-19  Michael Matz  <matz@suse.de>
415
416         PR tree-optimization/46590
417         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
418         use it in remembering which conflicts we already created.
419         (add_scope_conflicts): Adjust call to above, (de)allocate helper
420         bitmap.
421
422 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
423
424         PR lto/51280
425         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
426         (merge_and_complain): Same.
427
428 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
429
430         PR bootstrap/50237
431         * config/initfini-array.h: Guard content of the header
432         with #ifdef HAVE_INITFINI_ARRAY.
433         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
434         Add initfini-array.h to tm_file here.
435         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
436         * config.gcc: Don't add initfini-array.h to tm_file here.
437         * configure: Regenerated.
438
439 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
440
441         PR rtl-optimization/51505
442         * df-problems.c (df_kill_notes): New parameter live. Update comment.
443         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
444         (df_note_bb_compute): Update the call to df_kill_notes.
445
446 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
447
448         * trans-mem.c (requires_barrier): Remove call to is_global_var.
449
450 2012-01-18  Richard Guenther  <rguenther@suse.de>
451
452         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
453         of conversions to void *.
454
455 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
456             Richard Sandiford  <rdsandiford@googlemail.com>
457
458         PR middle-end/50325
459         PR middle-end/51192
460         * optabs.h (simplify_expand_binop): Declare.
461         * optabs.c (simplify_expand_binop): Make global.
462         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
463         endian targets if the source cannot be exactly covered by word
464         mode chunks.
465
466 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
467
468         PR bootstrap/51872
469         * hard-reg-set.h (struct hard_reg_set_container): New type.
470         * target.h (struct hard_reg_set_container): Forward declare.
471         * target.def (set_up_by_prologue): New target hook.
472         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
473         * doc/tm.texi: Regenerated.
474         * function.c (thread_prologue_and_epilogue_insns): Change
475         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
476         Call targetm.set_up_by_prologue on it.
477         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
478         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
479
480 2012-01-17  Nick Clifton  <nickc@redhat.com>
481
482         * config/rx/rx.c (rx_can_use_simple_return): New function.
483         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
484         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
485
486 2012-01-17  Richard Guenther  <rguenther@suse.de>
487
488         PR middle-end/51782
489         * expr.c (expand_assignment): Take address-space information
490         from the address operand of MEM_REF and TARGET_MEM_REF.
491         (expand_expr_real_1): Likewise.
492
493 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
494
495         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
496         reload dump is requested.
497
498 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
499
500         PR other/51165
501         * trans-mem.c (requires_barrier): Call may_be_aliased.
502
503 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
504
505         PR tree-optimization/51877
506         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
507         call arguments and fndecls compare equal, instead return false if they
508         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
509         both SSA_NAMEs that are valueized the same, or they satisfy
510         operand_equal_p.
511
512 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
513
514         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
515         Solaris 11+.
516         * configure: Regenerate.
517
518 2012-01-16  Jan Hubicka  <jh@suse.cz>
519
520         PR c/12245
521         PR c++/14179
522         * convert.c (convert_to_integer): Use fold_convert for
523         converting an INTEGER_CST to integer type.
524
525 2012-01-16  Jason Merrill  <jason@redhat.com>
526
527         PR c++/14179
528         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
529
530 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
531
532         PR bootstrap/51860
533         * config/s390/s390.c (s390_chunkify_start): Don't skip
534         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
535         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
536         If insn is followed by NOTE_INSN_VAR_LOCATION or
537         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
538         Don't use location of note insns.
539
540         PR tree-optimization/51865
541         * tree-inline.c (tree_function_versioning): Call remap_decl
542         on DECL_RESULT whenever it has VOID_TYPE_P type.
543
544 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
545
546         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
547         for calls to locally-binding MIPS16 functions if only the return
548         type uses float regs.
549
550 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
551             Richard Sandiford  <rdsandiford@googlemail.com>
552
553         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
554         (SYMBOL_32_HIGH): Likewise.
555         (mips_output_tls_reloc_directive): Declare.
556         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
557         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
558         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
559         (mips_lo_relocs, mips_hi_relocs): Make extern.
560         (mips16_stub_function): Move up file.
561         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
562         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
563         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
564         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
565         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
566         (mips_get_tp): Add MIPS16 support.
567         (mips_legitimize_tls_address): Remove MIPS16 sorry().
568         Generalize DTPREL and TPREL handling.
569         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
570         Add MIPS16 TLS support.
571         (mips_output_tls_reloc_directive): New function.
572         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
573         * config/mips/predicates.md (symbolic_operand_with_high)
574         (tls_reloc_operand): New predicates.
575         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
576         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
577         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
578         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
579         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
580         (*tls_get_tp_mips16_call_<mode>): Likewise.
581
582 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
583
584         PR rtl-optimization/51821
585         * recog.c (peep2_find_free_register): Determine clobbered registers
586         from insn pattern.
587
588 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
589
590         PR target/50925
591         * config/avr/avr-protos.h: Revert change of 2012-01-09.
592         * config/avr/avr.c: Likewise.
593         * config/avr/avr.h: Likewise.
594
595 2012-01-13  Ian Lance Taylor  <iant@google.com>
596
597         PR c++/50012
598         * tree.h (TYPE_QUALS): Add cast to int.
599         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
600
601 2012-01-13  Ian Lance Taylor  <iant@google.com>
602
603         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
604         comparing param_index to VEC_length result.
605
606 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
607
608         * c-decl.c: Do not include tree-mudflap.h
609         * tree-optimize.c: Likewise.
610         * Makefile.in: Update dependencies.
611
612 2012-01-13  Richard Guenther  <rguenther@suse.de>
613
614         PR middle-end/8081
615         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
616         variable-sized result always use RSO.
617
618 2012-01-12  DJ Delorie  <dj@redhat.com>
619
620         * cfgexpand.c (convert_debug_memory_address): Allow any valid
621         pointer type, not just the default pointer type.
622
623 2012-01-09  Richard Henderson  <rth@redhat.com>
624             Denis Chertykov  <chertykov@gmail.com>
625
626         PR target/50925
627         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
628         * config/avr/avr.c (avr_can_eliminate): Simplify.
629         (avr_initial_elimination_offset): Likewise.
630         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
631         (expand_epilogue): Likewise.
632         (avr_legitimize_address): Gut.
633         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
634         (avr_hard_regno_nregs): New.
635         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
636         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
637         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
638         add soft frame pointer.
639         (CALL_USED_REGISTERS): Likewise.
640         (REG_CLASS_CONTENTS): Likewise.
641         (REGISTER_NAMES): Likewise.
642         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
643         (HARD_FRAME_POINTER_REGNUM): New.
644         (FRAME_POINTER_REGNUM): Use soft frame pointer.
645         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
646         remove the HARD_FRAME_POINTER self-elimination.
647
648 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
649
650         PR target/51756
651         * config/avr/avr.c (avr_encode_section_info): Test for absence of
652         DECL_EXTERNAL when checking for initializers of progmem variables.
653
654 2012-01-12  Ira Rosen  <irar@il.ibm.com>
655
656         PR tree-optimization/51799
657         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
658         that the last operation is a type demotion.
659
660 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
661
662         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
663         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
664
665 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
666
667         PR bootstrap/51796
668         * combine.c (distribute_notes): If i3 is a noreturn call,
669         allow old_size to be equal to args_size and make sure the
670         noreturn call gets REG_ARGS_SIZE note.
671         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
672         on noreturn calls even when the delta is 0.
673
674 2012-01-11  Nathan Sidwell  <nathan@acm.org>
675
676         * gcov.c (STRING_SIZE): Remove.
677         (generate_results): Erase annotations for source files with no
678         coverage information.
679         (read_line): New.
680         (output_lines): Use it.
681
682 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
683
684         * gimple.h (gimplify_body): Remove first argument.
685         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
686         pointer set here, instead just pass DATA to walk_tree.
687         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
688         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
689         (unvisit_body): Likewise, but with unmark_visited.
690         (gimplify_body): Remove BODY_P argument and adjust.
691         (gimplify_function_tree): Adjust call to gimplify_body.
692         * omp-low.c (finalize_task_copyfn): Likewise.
693
694 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
695
696         * tree.h (build_function_decl_skip_args): Add boolean parameter.
697         (build_function_type_skip_args): Delete.
698         * tree.c (build_function_type_skip_args): Make static and add
699         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
700         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
701         pass it to build_function_type_skip_args.
702         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
703         (tree_function_versioning): Likewise.
704         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
705         build_function_decl_skip_args.
706         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
707         and pass it to build_function_decl_skip_args/tree_function_versioning.
708         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
709         * ipa-inline-transform.c (save_inline_function_body): Likewise.
710         * trans-mem.c (ipa_tm_create_version): Likewise.
711         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
712         * tree-inline.c (declare_return_variable): Remove always-true test.
713         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
714         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
715         * ipa-split.c (split_function): Skip the return value for the split
716         part if it doesn't return.
717
718 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
719
720         PR tree-optimization/49642
721         * ipa-split.c (forbidden_dominators): New variable.
722         (check_forbidden_calls): New function.
723         (dominated_by_forbidden): Likewise.
724         (consider_split): Check for forbidden dominators.
725         (execute_split_functions): Initialize and free forbidden
726         dominators info; call check_forbidden_calls.
727
728 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
729
730         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
731
732 2012-01-11  Nick Clifton  <nickc@redhat.com>
733
734         * config/rx/rx.md (return): Define pattern.
735
736 2012-01-11  Richard Guenther  <rguenther@suse.de>
737
738         * doc/extend.texi (malloc attribute): Adjust according to
739         implementation.
740
741 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
742             Patrick Marlier  <patrick.marlier@gmail.com>
743
744         PR middle-end/51516
745         * trans-mem.c (get_cg_data): Traverse aliases if requested.
746         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
747         (ipa_tm_note_irrevocable): Same.
748         (ipa_tm_scan_irr_block): Same.
749         (ipa_tm_decrement_clone_counts): Same.
750         (ipa_tm_scan_irr_function): Same.
751         (ipa_tm_create_version_alias): Same.
752         (ipa_tm_create_version): Same.
753         (ipa_tm_transform_calls_redirect): Same.
754         (ipa_tm_transform_calls): Same.
755         (ipa_tm_transform_transaction): Same.
756         (ipa_tm_execute): Same.
757
758 2012-01-10  Richard Guenther  <rguenther@suse.de>
759
760         PR middle-end/51806
761         * opts.c (common_handle_option): Handle -Werror.
762
763 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
764
765         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
766         operand number.
767
768 2012-01-10  Jason Merrill  <jason@redhat.com>
769
770         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
771         information.
772
773 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
774
775         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
776         supports R_386_TLS_GD_PLT reloc.
777         (gcc_cv_as_ix86_tlsldmplt): Check if linker
778         supports R_386_TLS_LDM_PLT reloc.
779         * configure: Regenerate.
780         * config.in: Regenerate.
781
782 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
783
784         PR target/49868
785         Extend __pgmx semantics to linearize memory.
786         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
787         determine if code comes inline or from libgcc.
788         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
789         (movmem_qi, movmem_qi): Set constraint #2 to "n".
790         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
791         (movmemx_qi, movmemx_hi): New insns.
792         (xload_<mode>_libgcc): Rewrite to new insn condition.
793         (xload_<mode>): Remove insns.
794         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
795         cases that don't satisfy avr_xload_libgcc_p().
796         (avr_addr_space_convert): Allow converting in any direction.
797         (avr_addr_space_subset_p): Return always true.
798         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
799         (avr_emit_movmemhi): Ditto.
800         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
801         (avr_out_movmem): Ditto.
802         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
803         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
804         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
805         (avr_encode_section_info): Encode 'progmem' in symbol flags.
806         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
807
808 2012-01-10  Richard Guenther  <rguenther@suse.de>
809
810         PR tree-optimization/50913
811         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
812         Require data-refs to be representable by Graphite with respect
813         to any loop nest.
814
815 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
816
817         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
818         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
819
820 2012-01-10  Tom de Vries  <tom@codesourcery.com>
821
822         PR rtl-optimization/51271
823         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
824         handling annulled branch.
825
826 2012-01-10  Richard Henderson  <rth@redhat.com>
827
828         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
829         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
830         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
831         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
832         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
833         arm_expand_vec_perm_const): New.
834         * config/arm/arm-protos.h: Update.
835         * config/arm/neon.md (UNSPEC_VCONCAT): New.
836         (*neon_vswp<VDQX>): New.
837         (neon_vcombine<VDX>): Use neon_split_vcombine.
838         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
839         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
840         (vec_perm<VE>): New.
841
842 2012-01-10  Richard Henderson  <rth@redhat.com>
843
844         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
845         use it if reload_completed.
846         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
847         arm_output_asm_insn, arm_process_output_memory_barrier,
848         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
849         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
850         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
851         arm_process_output_sync_insn, arm_output_sync_insn,
852         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
853         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
854         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
855         (emit_unlikely_jump): New.
856         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
857         (arm_split_atomic_op): New.
858         * config/arm/arm-protos.h: Update.
859         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
860         (struct arm_sync_generator): Remove.
861         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
862         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
863         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
864         (VUNSPEC_LL, VUNSPEC_SC): New.
865         (sync_result, sync_memory, sync_required_value, sync_new_value,
866         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
867         (attr length): Don't use arm_sync_loop_insns.
868         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
869         (movsfcc, movdfcc): Likewise.
870         * config/arm/constraints.md (Ua): New.
871         * config/arm/prediates.md (mem_noofs_operand): New.
872         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
873         (sync_clobber, sync_t2_reqd): Remove.
874         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
875         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
876         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
877         (arm_sync_compare_and_swap<SIDI>): Remove.
878         (arm_sync_compare_and_swap<NARROW>): Remove.
879         (arm_sync_lock_test_and_set<SIDI>): Remove.
880         (arm_sync_lock_test_and_set<NARROW>): Remove.
881         (arm_sync_new_<syncop><SIDI>): Remove.
882         (arm_sync_new_<syncop><NARROW>): Remove.
883         (arm_sync_new_nand<SIDI>): Remove.
884         (arm_sync_new_nand<NARROW>): Remove.
885         (arm_sync_old_<syncop><SIDI>): Remove.
886         (arm_sync_old_<syncop><NARROW>): Remove.
887         (arm_sync_old_nand<SIDI>): Remove.
888         (arm_sync_old_nand<NARROW>): Remove.
889         (*memory_barrier): Merge arm_output_memory_barrier.
890         (atomic_compare_and_swap<QHSD>): New.
891         (atomic_compare_and_swap<NARROW>_1): New.
892         (atomic_compare_and_swap<SIDI>_1): New.
893         (atomic_exchange<QHSD>): New.
894         (cas_cmp_operand, cas_cmp_str): New.
895         (atomic_op_operand, atomic_op_str): New.
896         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
897         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
898         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
899         (arm_load_exclusive<NARROW>): New.
900         (arm_load_exclusivesi, arm_load_exclusivedi): New.
901         (arm_store_exclusive<QHSD>): New.
902
903 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
904
905         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
906         reload patterns if -mvsx-scalar-memory.
907
908         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
909         generated, even -mno-vsx-scalar-double was used.
910         (vsx_xscvdpsp_scalar): Likewise.
911         (vsx_xscvspdp_scalar2): Likewise.
912
913 2012-01-09  Tom de Vries  <tom@codesourcery.com>
914             Andrew Pinski  <apinski@cavium.com>
915
916         PR debug/51471
917         * reorg.c (fill_slots_from_thread): Don't speculate
918         frame-related insns.
919
920 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
921
922         * sched-int.h (bb_note): Move to...
923         * basic-block.h: ...here.
924         * haifa-sched.c (bb_note): Move to...
925         * cfgrtl.c: ...here.
926         * function.c (next_block_for_reg): New function.
927         (move_insn_for_shrink_wrap): Likewise.
928         (prepare_shrink_wrap): Rewrite to use the above.
929
930 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
931
932         * gimple.c (is_gimple_non_addressable): Remove.
933         * gimple.h: Remove is_gimple_non_addressable.
934         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
935         is_gimple_non_addressable.
936         * trans-mem.c (expand_assign_tm): Same.
937
938 2012-01-09  Richard Guenther  <rguenther@suse.de>
939
940         PR tree-optimization/51775
941         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
942         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
943
944 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
945
946         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
947         tuning parameters.
948         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
949
950 2012-01-09  Richard Guenther  <rguenther@suse.de>
951
952         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
953
954 2012-01-08  Jan Hubicka  <jh@suse.cz>
955
956         PR tree-optimize/51680
957         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
958         on when known_vals needs to be computed; cleanup.
959
960 2012-01-08  Jan Hubicka  <jh@suse.cz>
961
962         PR tree-optimize/51694
963         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
964
965 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
966
967         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
968         for -std=c++98 and -std=c++11 too.
969
970 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
971
972         * cfgloop.c (cancel_loop): Add free() of bbs array.
973
974 2012-01-07  Jan Hubicka  <jh@suse.cz>
975
976         PR tree-optimization/51600
977         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
978         that benefits small functions.
979
980 2012-01-07  Jan Hubicka  <jh@suse.cz>
981
982         * ipa-inline.c (want_inline_small_function_p): Fix formating.
983
984 2012-01-07  Jan Hubicka  <jh@suse.cz>
985
986         PR tree-optimization/51680
987         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
988         whose inlining reduce unit size.
989
990 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
991
992         PR bootstrap/51725
993         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
994         Add canonical node to containing_mem chain after the non-canonical
995         one, even if there weren't any locs to propagate.
996         (remove_useless_values): Keep only canonical values.
997         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
998         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
999         canonicalize mem_chain elements that are not discarded.
1000
1001 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1002
1003         PR target/47333
1004         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1005         before emitting functions.
1006
1007         PR gcov-profile/50127
1008         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1009         clear_aux_for_blocks.
1010
1011 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1012
1013         PR debug/51746
1014         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1015
1016 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1017
1018         * c-decl.c (ext_block): Moved up.
1019         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1020
1021 2012-01-06  Han Shen  <shenhan@google.com>
1022
1023         Translate built-in include paths for sysroot.
1024         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1025         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1026
1027         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1028         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1029
1030         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1031         control whether sysroot should be prepended to gxx include dir.
1032
1033         * configure: Regenerate.
1034
1035 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1036
1037         PR rtl-optimization/51771
1038         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1039         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1040
1041 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1042
1043         PR tree-optimization/51315
1044         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1045         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1046
1047 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1048
1049         PR target/51681
1050         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1051         for shrp pattern.  Correctly handle and fixup shift variable.
1052         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1053
1054 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1055
1056         PR debug/51762
1057         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1058         note when !ACCUMULATE_OUTGOING_ARGS.
1059
1060 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1061
1062         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1063         condition.
1064         (extract_range_from_unary_expr_1): Avoid useless computations.
1065
1066 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1067
1068         PR rtl-optimization/51767
1069         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1070         of jump_block and add an extra edge for degenerated asm gotos.
1071
1072         PR middle-end/51768
1073         * stmt.c (check_unique_operand_names): Don't ICE during error
1074         reporting if i is from labels chain.
1075
1076         PR middle-end/44777
1077         * profile.c (branch_prob): Split bbs that have exit edge
1078         and need a fake entry edge too.
1079
1080 2012-01-05  Jan Hubicka  <jh@suse.cz>
1081
1082         PR middle-end/49710
1083         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1084         unlooping loops.
1085
1086 2012-01-05  Richard Guenther  <rguenther@suse.de>
1087
1088         PR lto/50490
1089         * tree-streamer-out.c (write_ts_optimization): New function.
1090         (streamer_write_tree_body): Call it.
1091         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1092         (streamer_read_tree_body): Call it.
1093         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1094
1095 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1096
1097         PR middle-end/51761
1098         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1099         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1100         in_cleanup_point_expr before gimplify_stmt call and restore it
1101         afterwards.
1102         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1103         in_cleanup_point_expr is false.
1104
1105 2012-01-05  Richard Guenther  <rguenther@suse.de>
1106
1107         PR middle-end/51764
1108         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1109         to c.opt.
1110         * toplev.c (process_options): Reject combining mudflap and LTO.
1111         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1112
1113 2012-01-05  Richard Guenther  <rguenther@suse.de>
1114
1115         PR tree-optimization/51760
1116         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1117         not VARYING.
1118         (bit_value_unop): Handle UNDEFINED operands.
1119         (bit_value_binop): Likewise.
1120
1121 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1122
1123         * config/avr/avr.c (avr_replace_prefix): Remove.
1124         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1125         (avr_asm_function_rodata_section): Ditto.
1126         (avr_asm_select_section): Ditto.
1127
1128 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1129
1130         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1131         insertion.
1132
1133 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1134
1135         PR bootstrap/51648
1136         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1137         calls that have any non-fake successor edges.
1138
1139         PR debug/51746
1140         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1141
1142 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1143
1144         PR tree-optimization/51624
1145         * tree-sra.c (build_ref_for_model): When replicating a chain of
1146         COMPONENT_REFs, stop as soon as the offset would become negative.
1147
1148 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1149
1150         PR debug/51695
1151         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1152         in .debug_loc on the floor.
1153
1154 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1155
1156         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1157
1158 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1159             Adam Nemet  <anemet@caviumnetworks.com>
1160
1161         * config/mips/mips.md (size): Add SI and DI.
1162         (SIZE): New mode attribute.
1163         (U): New code attribute.
1164         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1165         (mips_lbux_<mode>): Delete.
1166         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1167         (mips_lhx): Use gen_mips_lhx_extsi.
1168         (mips_lhx_<mode>): Delete.
1169         (mips_lwx): Delete.
1170         (mips_l<size>x): New expand.
1171         (mips_lwx_<mode>): Delete.
1172         (mips_l<GPR:size>x_<P:mode>): New pattern.
1173         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1174         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1175         * config/mips/mips.c (mips_lx_address_p): New function.
1176         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1177         (dsp64): New availability predicate.
1178         (mips_builtins): Add an entry for __builtin_mips_ldx.
1179         * config/mips/mips.h (ISA_HAS_LBX): New define.
1180         (ISA_HAS_LBUX): Likewise.
1181         (ISA_HAS_LHX): Likewise.
1182         (ISA_HAS_LHUX): Likewise.
1183         (ISA_HAS_LWX): Likewise.
1184         (ISA_HAS_LWUX): Likewise.
1185         (ISA_HAS_LDX): Likewise.
1186         * doc/extend.texi (__builtin_mips_ldx): Document.
1187
1188 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1189
1190         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1191         when long pointers are used.
1192         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1193         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1194         (ia64-hp-*vms*): Remove.
1195         * config/vms/xm-vms64.h: Delete.
1196
1197 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1198
1199         PR middle-end/51472
1200         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1201
1202 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1203
1204         * opts.c (finish_options): Remove duplicate sorry.
1205
1206 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1207
1208         PR middle-end/51696
1209         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1210         correctly.
1211
1212 2012-01-04  Richard Guenther  <rguenther@suse.de>
1213
1214         PR middle-end/51750
1215         * tree.c (size_low_cst): New function.
1216         * tree.h (size_low_cst): Declare.
1217         * fold-const.c (fold_comparison): Use it to extract the low
1218         part of the POINTER_PLUS_EXPR offset.
1219
1220 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1221
1222         Fix clearing ZERO_REG
1223         * config/avr/avr.md (cc): Add alternative "ldi".
1224         (movqi_insn): Use it in cc attribute.
1225         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1226         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1227         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1228
1229 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1230
1231         * configure: Regenerate.
1232
1233 2012-01-04  Richard Guenther  <rguenther@suse.de>
1234
1235         PR tree-optimization/49651
1236         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1237         (var_can_have_subvars): Use it.
1238         (get_constraint_for_1): Only consider subfields if there can be any.
1239
1240 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1241
1242         PR bootstrap/51725
1243         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1244         to its new canonical_cselib_val and the cselib_val was in
1245         first_containing_mem chain, but the canonical_cselib_val was not,
1246         add the latter into the chain.
1247         (cselib_invalidate_mem): Compare canonical_cselib_val of
1248         addr_list chain elt with v.
1249
1250         PR pch/51722
1251         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1252         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1253         of xstrdup.
1254         (output_macinfo_op): Don't ggc_strdup fd->filename.
1255         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1256         then ggc_strdup it.  Don't free inc->info or cur->info.
1257         (output_macinfo): Don't free ref->info or file->info.
1258
1259 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1260
1261         PR tree-optimization/51269
1262         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1263         first_niters a pointer.
1264         (slpeel_tree_peel_loop_to_edge): Likewise.
1265         (vect_do_peeling_for_loop_bound): Update call to
1266         slpeel_tree_peel_loop_to_edge.
1267         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1268         here.  Remove it from the parameters list.
1269         (vect_do_peeling_for_alignment): Update calls and compute
1270         wide_prolog_niters.
1271
1272 2012-01-03  Richard Guenther  <rguenther@suse.de>
1273
1274         PR tree-optimization/51070
1275         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1276         Properly handle calls.
1277
1278 2012-01-03  Richard Guenther  <rguenther@suse.de>
1279
1280         PR tree-optimization/51692
1281         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1282         the LHS of allocation stmts.
1283
1284 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1285
1286         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1287
1288 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1289
1290         * collect2.c (main): In AIX specific computations for vector
1291         insertions, use CONST_CAST2 to cast from char ** to const char **.
1292
1293 2012-01-03  Richard Guenther  <rguenther@suse.de>
1294
1295         PR debug/51650
1296         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1297         the context of a limbo DIE when it does not already exist.
1298
1299 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1300
1301         PR tree-optimization/51719
1302         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1303         but direct call is, clear direct call's lhs and don't add fallthrough
1304         edge from dcall_bb to join_bb and PHIs.
1305
1306 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1307
1308         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1309         the instructions emitted by the pattern.
1310         ("*TDC_insn_<mode>"): Add comment.
1311
1312 2012-01-03  Richard Guenther  <rguenther@suse.de>
1313
1314         PR middle-end/51730
1315         * fold-const.c (fold_comparison): Properly canonicalize
1316         tree offset and HOST_WIDE_INT bit position.
1317
1318 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1319
1320         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1321         operands for extzv pattern.
1322
1323 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1324
1325         PR bootstrap/51725
1326         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1327         on mem_elt first.
1328
1329 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1330
1331         * doc/invoke.texi (-flto and related options): Copy-edit.
1332
1333 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1334
1335         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1336
1337 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1338
1339         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1340         New patterns.
1341
1342 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1343
1344         * expr.h (move_by_pieces_ninsns): Declare.
1345         * expr.c (move_by_pieces_ninsns): Make external.
1346         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1347         (mips_store_by_pieces_p): Likewise.
1348         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1349         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1350         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1351         (mips_store_by_pieces_p): Likewise.
1352
1353 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1354
1355         * passes.c (register_one_dump_file): Free full_name.
1356
1357         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1358         (calculate_elim_costs_all_insns): Free offsets_at and
1359         offsets_known_at at the end and clear the pointers.
1360
1361 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1362
1363         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1364         this option introduced in r180739.
1365
1366 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1367
1368         PR target/51345
1369         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1370         (tmake_file target=avr): Add avr/t-multilib.
1371
1372         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1373         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1374         * config/avr/genmultilib.awk: New file.
1375         * config/avr/t-multilib: New auto-generated file.
1376         * config/avr/multilib.h: New auto-generated file.
1377         * config/avr/t-avr (AVR_MCUS): New variable.
1378         (genopt.sh): Use it.
1379         (s-mlib): Depend on t-multilib.
1380         (t-multilib, multilib.h): New dependencies.
1381         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1382         (MULTILIB_OPTIONS): Remove.
1383         (MULTILIB_MATCHES): Remove.
1384         (MULTILIB_DIRNAMES): Remove.
1385         (MULTILIB_EXCEPTIONS): Remove:
1386         * config/avr/genopt.sh: Don't use hard coded file name;
1387         pass AVR_MCUS from t-avr instead.
1388
1389 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1390
1391         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1392
1393 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1394
1395         Implement light-weight DImode support.
1396         * config/avr/avr-dimode.md: New file.
1397         * config/avr/avr.md: Include it.
1398         (adjust_len): Add plus64, compare64.
1399         (HIDI): Remove code iterator.
1400         (code_stdname): New code attribute.
1401         (rotx, rotsmode): Remove DI.
1402         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1403         as code iterator.
1404         * config/avr/avr-protos.h (avr_have_dimode): New.
1405         (avr_out_plus64, avr_out_compare64): New.
1406         * config/avr/avr.c (avr_out_compare): Handle DImode.
1407         (avr_have_dimode): New variable definition and initialization.
1408         (avr_out_compare64, avr_out_plus64): New functions.
1409         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1410         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1411         (avr_compare_pattern): Skip DImode comparisons.
1412
1413 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1414
1415         * ddg.c (def_has_ccmode_p): New function.
1416         (add_cross_iteration_register_deps,
1417         create_ddg_dep_from_intra_loop_link): Call it.
1418
1419 2012-01-02  Richard Guenther  <rguenther@suse.de>
1420
1421         PR other/51679
1422         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1423
1424 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1425
1426         * gcc.c (process_command): Update copyright notice dates.
1427         * gcov.c (print_version): Likewise.
1428         * gcov-dump.c (print_version): Likewise.
1429         * mips-tfile.c (main): Likewise.
1430         * mips-tdump.c (main): Likewise.
1431
1432 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1433
1434         PR tree-optimization/51704
1435         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1436         a use is inside the basic block or loop before accessing its vect info.
1437
1438 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1439
1440         PR rtl-optimization/51069
1441         * cfgloopmanip.c (remove_path): Removing path making irreducible
1442         region unconditional makes BB part of the region.
1443
1444 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1445
1446         PR tree-optimization/51683
1447         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1448         calls with side-effects.
1449         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1450 \f
1451 Copyright (C) 2012 Free Software Foundation, Inc.
1452
1453 Copying and distribution of this file, with or without modification,
1454 are permitted in any medium without royalty provided the copyright
1455 notice and this notice are preserved.