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PR c++/51992
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-01-25  Jason Merrill  <jason@redhat.com>
2
3         PR c++/51992
4         * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
5
6 2012-01-25  Jakub Jelinek  <jakub@redhat.com>
7
8         PR tree-optimization/51987
9         * tree-data-ref.c (get_references_in_stmt): Handle references in
10         non-volatile GIMPLE_ASM.
11
12 2012-01-25  Richard Guenther  <rguenther@suse.de>
13
14         * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
15         bases are dereferenced.
16
17 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
18
19         PR rtl-optimization/48374
20         * sel-sched-ir.h (get_all_loop_exits): Check for zero successors. 
21
22 2012-01-25  Andrey Belevantsev  <abel@ispras.ru>
23
24         * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
25         compute_data_dependences_for_loop returns false.
26         * tree-parloops.c (loop_parallel_p): Likewise.
27
28 2012-01-25  Richard Guenther  <rguenther@suse.de>
29
30         * tree.h (get_pointer_alignment_1): Declare.
31         * builtins.c (get_pointer_alignment_1): New function.
32         (get_pointer_alignment): Use it.
33
34 2012-01-25  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
35
36         PR rtl-optimization/48308
37         * combine.c (enum undo_kind): Add UNDO_LINKS.
38         (struct undo): Add member l to other_contents and where.
39         (do_SUBST_LINK): New.
40         (SUBST_LINK): New.
41         (try_combine): Handle LOG_LINKS for the dummy i1 case.
42         (undo_all): Handle UNDO_LINKS.
43
44 2012-01-25  Richard Henderson  <rth@redhat.com>
45
46         * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
47         mem inputs.
48
49 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
50
51         * optabs.c (gen_atomic_test_and_set): Use each argument.
52
53 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
54
55         * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
56         (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
57         (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
58         (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
59         (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
60         TARGET_PAIRED_SINGLE_FLOAT.
61
62 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
63
64         * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
65         (in_struct, return_val): Remove MEM documentation.
66         * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
67         (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
68         (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
69         and MEM_SCALAR.
70         * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
71         * cfgexpand.c (add_alias_set_conflicts): Likewise.
72         * expr.c (store_field): Likewise.
73         * function.c (assign_stack_temp_for_type): Likewise.
74         * ifcvt.c (noce_try_cmove_arith): Likewise.
75         * reload1.c (reload): Likewise.
76         * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
77         (alpha_set_memflags): Likewise.
78         * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
79
80 2012-01-24  Richard Sandiford  <rdsandiford@googlemail.com>
81
82         * rtl.h (true_dependence, canon_true_dependence): Remove varies
83         parameter.
84         * alias.c (fixed_scalar_and_varying_struct_p): Delete.
85         (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
86         (true_dependence_1, true_dependence, canon_true_dependence): Remove
87         varies parameter.
88         * cselib.c (cselib_rtx_varies_p): Delete.
89         (cselib_invalidate_mem): Update call to canon_true_dependence.
90         * dse.c (record_store, check_mem_read_rtx): Likewise.
91         (scan_reads_nospill): Likewise.
92         * cse.c (check_dependence): Likewise.
93         (cse_rtx_varies_p): Delete.
94         * expr.c (safe_from_p): Update call to true_dependence.
95         * ira.c (validate_equiv_mem_from_store): Likewise.
96         (memref_referenced_p): Likewise.
97         * postreload-gcse.c (find_mem_conflicts): Likewise.
98         * sched-deps.c (sched_analyze_2): Likewise.
99         * store-motion.c (load_kills_store): Likewise.
100         * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
101         * gcse.c (mems_conflict_for_gcse_p): Likewise.
102         (compute_transp): Update call to canon_true_dependence.
103
104 2012-01-25  Richard Henderson  <rth@redhat.com>
105
106         * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
107         (maybe_emit_atomic_test_and_set): New.
108         (expand_sync_lock_test_and_set): Use it.
109         (expand_atomic_test_and_set): Likewise.
110         * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
111         the implementation; clarify implementation defined details.
112         * doc/md.texi (atomic_test_and_set): Document.
113
114 2012-01-25  Richard Henderson  <rth@redhat.com>
115
116         * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
117
118 2012-01-25  Richard Henderson  <rth@redhat.com>
119
120         PR target/51968
121         * config/arm/arm.c (neon_split_vcombine): Emit deleted note
122         to effect no-op split.
123
124 2012-01-24  Aldy Hernandez  <aldyh@redhat.com>
125             Patrick Marlier  <patrick.marlier@gmail.com>
126
127         * trans-mem.c (requires_barrier): Do not instrument thread local
128         variables and emit save/restore for them.
129
130 2012-01-24  Jason Merrill  <jason@redhat.com>
131
132         PR c++/51812
133         * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
134         output static aliases.
135
136 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
137
138         PR driver/47249
139         * common.opt (-pie, -shared, pie, shared): Change from Common to
140         Driver.
141         * gcc.c (display_help): Display help for -pie and -shared.
142
143 2012-01-24  Georg-Johann Lay  <avr@gjlay.de>
144
145         PR target/49868
146         * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
147         Remove note on size/offset limitation.
148         (AVR Variable Attributes): Add example how to read data located
149         with progmem.  Refer to named address spaces.
150         * doc/invoke.texi (AVR Options): Fix typo.
151
152 2012-01-24  Richard Guenther  <rguenther@suse.de>
153
154         Forward-port to trunk
155         2010-09-21  Jakub Jelinek  <jakub@redhat.com>
156
157         PR middle-end/45678
158         * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
159         op0 isn't sufficiently aligned and there is movmisalignM
160         insn for mode, use it to load op0 into a temporary register.
161
162 2012-01-24  Jakub Jelinek  <jakub@redhat.com>
163
164         PR target/51957
165         * target.def (const_not_ok_for_debug_p): New hook.
166         * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
167         documentation.
168         * doc/tm.texi: Regenerated.
169         * dwarf2out.c (const_ok_for_output_1): If
170         targetm.const_not_ok_for_debug_p returns true, fail.
171         * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
172         function.
173         (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
174
175 2012-01-23  Kai Tietz  <ktietz@redhat.com>
176
177         PR target/51900
178         * config/i386/predicates.md (symbolic_operand): Allow
179         UNSPEC_PCREL as PIC expression for lea.
180         * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
181         * config/i386/i386.c (ix86_delegitimize_address): Handle
182         UNSPEC_PCREL for none-MEM, too.
183
184 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
185
186         * trans-mem.c (ipa_tm_create_version): Set externally_visible.
187         (ipa_tm_create_version_alias): Same.
188
189 2012-01-18  Uros Bizjak  <ubizjak@gmail.com>
190
191         PR libitm/51830
192         * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
193         * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
194
195 2012-01-23  Aldy Hernandez  <aldyh@redhat.com>
196             Patrick Marlier  <patrick.marlier@gmail.com>
197             Iain Sandoe  <developer@sandoe-acoustics.co.uk>
198
199         PR lto/51916
200         * lto-wrapper.c (run_gcc): Pass the LTO section name to
201         simple_object_start_read.
202
203 2012-01-23  Richard Guenther  <rguenther@suse.de>
204
205
206         PR tree-optimization/51895
207         * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
208         parameter decomposition into BLKmode components.
209
210 2012-01-23  Eric Botcazou  <ebotcazou@adacore.com>
211
212         * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
213         fake variables for restrict-qualified pointers whose pointed-to type
214         contains a placeholder.
215
216 2012-01-23  Richard Guenther  <rguenther@suse.de>
217
218         PR tree-optimization/51949
219         * ipa-split.c (execute_split_functions): Do not split malloc functions.
220
221 2012-01-23  Jakub Jelinek  <jakub@redhat.com>
222
223         PR rtl-optimization/51933
224         * ree.c (transform_ifelse): Return true right away if dstreg is
225         already wider or equal to cand->mode.
226         (enum ext_modified_kind, struct ext_modified, ext_state): New types.
227         (make_defs_and_copies_lists): Remove defs_list and copies_list
228         arguments, add state argument, just truncate state->work_list
229         instead of always allocating and freeing the vector.  Assert that
230         get_defs succeeds instead of returning 2.  Changed return type to bool.
231         (merge_def_and_ext): Add state argument.  If SET_DEST doesn't
232         have ext_src_mode, see if it has been modified already with the
233         right kind of extension and has been extended before from the
234         ext_src_mode.  If SET_DEST is already wider or equal to cand->mode,
235         just return true.  Remember the original mode in state->modified array.
236         (combine_reaching_defs): Add state argument.  Don't allocate and
237         free here def_list, copied_list and vec vectors, instead just
238         VEC_truncate the vectors in *state.  Don't handle outcome == 2 here.
239         (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
240         Add state variable, clear vectors in it, initialize state.modified
241         if needed.  Free all the vectors at the end and state.modified too.
242         Don't skip a candidate if the extension expression has been modified.
243
244 2012-01-22  Douglas B Rupp  <rupp@gnat.com>
245
246         PR target/47096
247         * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
248          configurations. Change triplet to i[34567]86-*-interix[3-9]*.
249         (extra_options) interix.opt -> i386/interix.opt"
250         (extra_objs):Add winnt-stubs.o
251         * configure.ac: Add interix to target_os .comm on PE check.
252         * configure: Regenerate.
253         * config/interix3.h: Delete and move bits to..
254         * config/interix.h: Delete and move bits to..
255         * config/i386/i386-interix3.h: Delete and move bits to..
256         * config/i386/i386-interix.h: ..here.
257         (TARGET_CPU_DEFAULT): Remove redefinition.
258         (TARGET_ASM_CONSTRUCTOR): Undefine.
259         (SUBTARGET_SWITCHES): Define for ms-bitfields.
260         (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
261         (PTRDIFF_TYPE): Define.
262         (LONG_DOUBLE_TYPE_SIZE): Define.
263         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
264         (SUBTARGET_OVERRIDE_OPTIONS): Remove.
265         (TARGET_SECTION_TYPE_FLAGS): Define.
266         (ASM_DECLARE_FUNCTION_NAME): Define.
267         (ASM_OUTPUT_EXTERNAL): Define.
268         (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
269         (ASM_OUTPUT_ALIGNED_BSS): Define.
270         (PCC_BITFIELD_TYPE_MATTERS): Define.
271         (USE_CONST_SECTION): Define.
272         (SUBTARGET_ENCODE_SECTION_INFO): Remove.
273         (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
274         (SUPPORTS_ONE_ONLY): Remove.
275         (I386_PE_STRIP_ENCODING): Define.
276         * config/interix.opt: Delete and move bits to..
277         * config/i386/interix.opt: ..here. New.
278         (mpe-aligned-commons): Add.
279         * config/i386/t-interix: Add copyright header.
280         (winnt-stubs.o): Add rule.
281
282 2012-01-22  Jason Merrill  <jason@redhat.com>
283
284         PR c++/51832
285         * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
286         for extra name aliases.
287
288 2012-01-22  Eric Botcazou  <ebotcazou@adacore.com>
289
290         PR rtl-optimization/51924
291         * ree.c (combine_set_extension): Improve debugging message.
292         (combine_reaching_defs): Likewise.
293         (get_defs): Rename confusingly named variable.
294         (find_and_remove_re): Skip a candidate if the extension expression has
295         been modified.
296
297 2012-01-21  Robert Millan  <rmh@gnu.org>
298             Gerald Pfeifer  <gerald@pfeifer.com>
299
300         * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
301         (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
302
303 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
304
305         PR tree-optimization/51914
306         * tree-vect-stmts.c (vectorizable_conversion): For
307         cvt_type && modifier == WIDEN, put temporary with cvt_type
308         at the beginning of vec_dsts and set vec_dest to temporary
309         with vectype_out.
310
311 2012-01-20  Eric Botcazou  <ebotcazou@adacore.com>
312
313         * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
314
315 2011-01-20  Tijl Coosemans  <tijl@coosemans.org>
316
317         * config/i386/i386.c: Fix checks for !TARGET_MACHO.
318         * config/rs6000/rs6000.c: Likewise.
319
320 2012-01-20  Jakub Jelinek  <jakub@redhat.com>
321
322         PR target/51915
323         * config/arm/arm.c (arm_count_output_move_double_insns): Call
324         output_move_double on a copy of operands array.
325
326 2012-01-20  Cary Coutant  <ccoutant@google.com>
327             Dodji Seketeli  <dodji@redhat.com>
328
329         PR debug/45682
330         * dwarf2out.c (copy_declaration_context): Return ref to parent
331         of declaration DIE, if necessary.
332         (remove_child_or_replace_with_skeleton): Add new parameter; update
333         caller.  Place skeleton DIE under parent DIE of original declaration.
334         Move call to copy_declaration_context to here ...
335         (break_out_comdat_types): ... from here.
336
337 2012-01-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
338
339         PR rtl-optimization/51856
340         * reload.c (find_reloads_subreg_address): Set the address_reloaded
341         flag to reloaded.
342
343 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
344
345         PR target/51819
346         * config/arm/arm.c (arm_print_operand): Correct output of alignment
347         hints for neon loads and stores.
348
349 2012-01-20  Georg-Johann Lay  <avr@gjlay.de>
350
351         PR target/49868
352         PR target/50887
353         * doc/extend.texi (Named Address Spaces): Split into subsections.
354         (AVR Named Address Spaces): New subsection.
355         (M32C Named Address Spaces): New subsection.
356         (RL78 Named Address Spaces): New subsection.
357         (SPU Named Address Spaces): New subsection.
358         (Variable Attributes): New anchor "AVR Variable Attributes".
359         (AVR Variable Attributes): Rewrite and avoid wording
360         "address space" in this context.
361         * doc/invoke.texi (AVR Options): Rewrite and add documentation
362         for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
363         (AVR Built-in Macros): New subsubsection therein.
364         * doc/md.texi (AVR constraints): Remove "C04", "R".
365
366 2012-01-20  Richard Guenther  <rguenther@suse.de>
367
368         PR tree-optimization/51903
369         * tree-ssa-pre.c (eliminate): Properly purging of EH edges
370         when removing stmts.
371
372 2012-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
373
374         PR target/50313
375         * config/arm/arm.c (arm_load_pic_register): Use
376         gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
377         , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
378         (arm_pic_static_addr): Likewise.
379         (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
380         (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
381         * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
382         (pic_load_addr_unified): New.
383
384 2012-01-20  Andrey Belevantsev  <abel@ispras.ru>
385
386         PR target/51106
387         * function.c (instantiate_virtual_regs_in_insn): Use
388         delete_insn_and_edges when removing a wrong asm insn.
389
390 2012-01-19  Vladimir Makarov  <vmakarov@redhat.com>
391
392         PR rtl-optimization/40761
393         * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
394         Add new member loop_num.
395         (IRA_LOOP_NODE_BY_INDEX): Modify the check.
396         (ira_build): Remove the parameter.
397
398         * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
399         (ira.c): Do not build CFG loops for one region allocation.  Remove
400         argument from ira_build call.
401
402         * ira-build.c (init_loop_tree_node): New function.
403         (create_loop_tree_nodes): Use it.  Separate the case when CFG
404         loops are not built.
405         (more_one_region_p): Check current_loops.
406         (finish_loop_tree_nodes): Separate the case when CFG loops are not
407         built.
408         (add_loop_to_tree): Process loop equal to NULL too.
409         (form_loop_tree): Separate the case when CFG loops are not built.
410         Use explicitly number for the root.
411         (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
412         an assertion.
413         (ira_print_expanded_allocno, loop_compare_func): Use loop_num
414         instead of loop->num.
415         (mark_loops_for_removal): Ditto.  Use loop_num instead of loop->num.
416         (mark_all_loops_for_removal): Ditto.
417         (remove_unnecessary_regions): Separate the case when CFG loops
418         are not built.
419         (ira_build): Remove the parameter.  Use explicit number of regions
420         when CFG loops are not built.
421
422         * ira-color.c (print_loop_title): Separate the case for the root node.
423         Use loop_num instead of loop->num.
424         (move_spill_restore): Use loop_num instead of loop->num.
425
426         * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
427         (change_loop): Ditto.
428         (change_loop): Use loop_num instead of loop->num.
429
430         * ira-lives.c (process_bb_node_lives): Ditto.
431
432         * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
433
434         * ira-conflicts.c (print_allocno_conflicts): Ditto.
435
436 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
437
438         PR libmudflap/40778
439         * tree-mudflap.c (mf_artificial): New function.
440         (execute_mudflap_function_ops, execute_mudflap_function_decls,
441         mx_register_decls, mudflap_enqueue_decl): Use it.
442
443         PR target/51876
444         * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
445         numbers in the insn pattern.
446
447 2012-01-19  Michael Matz  <matz@suse.de>
448
449         PR tree-optimization/46590
450         * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
451         use it in remembering which conflicts we already created.
452         (add_scope_conflicts): Adjust call to above, (de)allocate helper
453         bitmap.
454
455 2012-01-19  Aldy Hernandez  <aldyh@redhat.com>
456
457         PR lto/51280
458         * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
459         (merge_and_complain): Same.
460
461 2012-01-19  Jakub Jelinek  <jakub@redhat.com>
462
463         PR bootstrap/50237
464         * config/initfini-array.h: Guard content of the header
465         with #ifdef HAVE_INITFINI_ARRAY.
466         * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
467         Add initfini-array.h to tm_file here.
468         * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
469         * config.gcc: Don't add initfini-array.h to tm_file here.
470         * configure: Regenerated.
471
472 2012-01-19  Andrey Belevantsev  <abel@ispras.ru>
473
474         PR rtl-optimization/51505
475         * df-problems.c (df_kill_notes): New parameter live. Update comment.
476         Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
477         (df_note_bb_compute): Update the call to df_kill_notes.
478
479 2012-01-18  Aldy Hernandez  <aldyh@redhat.com>
480
481         * trans-mem.c (requires_barrier): Remove call to is_global_var.
482
483 2012-01-18  Richard Guenther  <rguenther@suse.de>
484
485         * tree-ssa.c (useless_type_conversion_p): Remove special-casing
486         of conversions to void *.
487
488 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
489             Richard Sandiford  <rdsandiford@googlemail.com>
490
491         PR middle-end/50325
492         PR middle-end/51192
493         * optabs.h (simplify_expand_binop): Declare.
494         * optabs.c (simplify_expand_binop): Make global.
495         * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
496         endian targets if the source cannot be exactly covered by word
497         mode chunks.
498
499 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
500
501         PR bootstrap/51872
502         * hard-reg-set.h (struct hard_reg_set_container): New type.
503         * target.h (struct hard_reg_set_container): Forward declare.
504         * target.def (set_up_by_prologue): New target hook.
505         * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
506         * doc/tm.texi: Regenerated.
507         * function.c (thread_prologue_and_epilogue_insns): Change
508         set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
509         Call targetm.set_up_by_prologue on it.
510         * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
511         (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
512
513 2012-01-17  Nick Clifton  <nickc@redhat.com>
514
515         * config/rx/rx.c (rx_can_use_simple_return): New function.
516         * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
517         * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
518
519 2012-01-17  Richard Guenther  <rguenther@suse.de>
520
521         PR middle-end/51782
522         * expr.c (expand_assignment): Take address-space information
523         from the address operand of MEM_REF and TARGET_MEM_REF.
524         (expand_expr_real_1): Likewise.
525
526 2012-01-17  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
527
528         * ira.c (do_reload): Make sure ira_dump_file is re-set if no
529         reload dump is requested.
530
531 2012-01-17  Aldy Hernandez  <aldyh@redhat.com>
532
533         PR other/51165
534         * trans-mem.c (requires_barrier): Call may_be_aliased.
535
536 2012-01-17  Jakub Jelinek  <jakub@redhat.com>
537
538         PR tree-optimization/51877
539         * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
540         call arguments and fndecls compare equal, instead return false if they
541         don't.  Return true only if lhs1 and lhs2 are either both NULL, or
542         both SSA_NAMEs that are valueized the same, or they satisfy
543         operand_equal_p.
544
545 2012-01-17  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
546
547         * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
548         Solaris 11+.
549         * configure: Regenerate.
550
551 2012-01-16  Jan Hubicka  <jh@suse.cz>
552
553         PR c/12245
554         PR c++/14179
555         * convert.c (convert_to_integer): Use fold_convert for
556         converting an INTEGER_CST to integer type.
557
558 2012-01-16  Jason Merrill  <jason@redhat.com>
559
560         PR c++/14179
561         * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
562
563 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
564
565         PR bootstrap/51860
566         * config/s390/s390.c (s390_chunkify_start): Don't skip
567         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
568         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
569         If insn is followed by NOTE_INSN_VAR_LOCATION or
570         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
571         Don't use location of note insns.
572
573         PR tree-optimization/51865
574         * tree-inline.c (tree_function_versioning): Call remap_decl
575         on DECL_RESULT whenever it has VOID_TYPE_P type.
576
577 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
578
579         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
580         for calls to locally-binding MIPS16 functions if only the return
581         type uses float regs.
582
583 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
584             Richard Sandiford  <rdsandiford@googlemail.com>
585
586         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
587         (SYMBOL_32_HIGH): Likewise.
588         (mips_output_tls_reloc_directive): Declare.
589         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
590         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
591         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
592         (mips_lo_relocs, mips_hi_relocs): Make extern.
593         (mips16_stub_function): Move up file.
594         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
595         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
596         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
597         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
598         SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1 if it's false.
599         (mips_get_tp): Add MIPS16 support.
600         (mips_legitimize_tls_address): Remove MIPS16 sorry().
601         Generalize DTPREL and TPREL handling.
602         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
603         Add MIPS16 TLS support.
604         (mips_output_tls_reloc_directive): New function.
605         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
606         * config/mips/predicates.md (symbolic_operand_with_high)
607         (tls_reloc_operand): New predicates.
608         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
609         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
610         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
611         (*unshifted_high): New instruction.  Use it for MIPS16 high splitter.
612         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
613         (*tls_get_tp_mips16_call_<mode>): Likewise.
614
615 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
616
617         PR rtl-optimization/51821
618         * recog.c (peep2_find_free_register): Determine clobbered registers
619         from insn pattern.
620
621 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
622
623         PR target/50925
624         * config/avr/avr-protos.h: Revert change of 2012-01-09.
625         * config/avr/avr.c: Likewise.
626         * config/avr/avr.h: Likewise.
627
628 2012-01-13  Ian Lance Taylor  <iant@google.com>
629
630         PR c++/50012
631         * tree.h (TYPE_QUALS): Add cast to int.
632         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
633
634 2012-01-13  Ian Lance Taylor  <iant@google.com>
635
636         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
637         comparing param_index to VEC_length result.
638
639 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
640
641         * c-decl.c: Do not include tree-mudflap.h
642         * tree-optimize.c: Likewise.
643         * Makefile.in: Update dependencies.
644
645 2012-01-13  Richard Guenther  <rguenther@suse.de>
646
647         PR middle-end/8081
648         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
649         variable-sized result always use RSO.
650
651 2012-01-12  DJ Delorie  <dj@redhat.com>
652
653         * cfgexpand.c (convert_debug_memory_address): Allow any valid
654         pointer type, not just the default pointer type.
655
656 2012-01-09  Richard Henderson  <rth@redhat.com>
657             Denis Chertykov  <chertykov@gmail.com>
658
659         PR target/50925
660         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
661         * config/avr/avr.c (avr_can_eliminate): Simplify.
662         (avr_initial_elimination_offset): Likewise.
663         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
664         (expand_epilogue): Likewise.
665         (avr_legitimize_address): Gut.
666         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
667         (avr_hard_regno_nregs): New.
668         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
669         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
670         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
671         add soft frame pointer.
672         (CALL_USED_REGISTERS): Likewise.
673         (REG_CLASS_CONTENTS): Likewise.
674         (REGISTER_NAMES): Likewise.
675         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
676         (HARD_FRAME_POINTER_REGNUM): New.
677         (FRAME_POINTER_REGNUM): Use soft frame pointer.
678         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
679         remove the HARD_FRAME_POINTER self-elimination.
680
681 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
682
683         PR target/51756
684         * config/avr/avr.c (avr_encode_section_info): Test for absence of
685         DECL_EXTERNAL when checking for initializers of progmem variables.
686
687 2012-01-12  Ira Rosen  <irar@il.ibm.com>
688
689         PR tree-optimization/51799
690         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
691         that the last operation is a type demotion.
692
693 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
694
695         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
696         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
697
698 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
699
700         PR bootstrap/51796
701         * combine.c (distribute_notes): If i3 is a noreturn call,
702         allow old_size to be equal to args_size and make sure the
703         noreturn call gets REG_ARGS_SIZE note.
704         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
705         on noreturn calls even when the delta is 0.
706
707 2012-01-11  Nathan Sidwell  <nathan@acm.org>
708
709         * gcov.c (STRING_SIZE): Remove.
710         (generate_results): Erase annotations for source files with no
711         coverage information.
712         (read_line): New.
713         (output_lines): Use it.
714
715 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
716
717         * gimple.h (gimplify_body): Remove first argument.
718         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
719         pointer set here, instead just pass DATA to walk_tree.
720         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
721         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
722         (unvisit_body): Likewise, but with unmark_visited.
723         (gimplify_body): Remove BODY_P argument and adjust.
724         (gimplify_function_tree): Adjust call to gimplify_body.
725         * omp-low.c (finalize_task_copyfn): Likewise.
726
727 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
728
729         * tree.h (build_function_decl_skip_args): Add boolean parameter.
730         (build_function_type_skip_args): Delete.
731         * tree.c (build_function_type_skip_args): Make static and add
732         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
733         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
734         pass it to build_function_type_skip_args.
735         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
736         (tree_function_versioning): Likewise.
737         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
738         build_function_decl_skip_args.
739         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
740         and pass it to build_function_decl_skip_args/tree_function_versioning.
741         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
742         * ipa-inline-transform.c (save_inline_function_body): Likewise.
743         * trans-mem.c (ipa_tm_create_version): Likewise.
744         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
745         * tree-inline.c (declare_return_variable): Remove always-true test.
746         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
747         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
748         * ipa-split.c (split_function): Skip the return value for the split
749         part if it doesn't return.
750
751 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
752
753         PR tree-optimization/49642
754         * ipa-split.c (forbidden_dominators): New variable.
755         (check_forbidden_calls): New function.
756         (dominated_by_forbidden): Likewise.
757         (consider_split): Check for forbidden dominators.
758         (execute_split_functions): Initialize and free forbidden
759         dominators info; call check_forbidden_calls.
760
761 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
762
763         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
764
765 2012-01-11  Nick Clifton  <nickc@redhat.com>
766
767         * config/rx/rx.md (return): Define pattern.
768
769 2012-01-11  Richard Guenther  <rguenther@suse.de>
770
771         * doc/extend.texi (malloc attribute): Adjust according to
772         implementation.
773
774 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
775             Patrick Marlier  <patrick.marlier@gmail.com>
776
777         PR middle-end/51516
778         * trans-mem.c (get_cg_data): Traverse aliases if requested.
779         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
780         (ipa_tm_note_irrevocable): Same.
781         (ipa_tm_scan_irr_block): Same.
782         (ipa_tm_decrement_clone_counts): Same.
783         (ipa_tm_scan_irr_function): Same.
784         (ipa_tm_create_version_alias): Same.
785         (ipa_tm_create_version): Same.
786         (ipa_tm_transform_calls_redirect): Same.
787         (ipa_tm_transform_calls): Same.
788         (ipa_tm_transform_transaction): Same.
789         (ipa_tm_execute): Same.
790
791 2012-01-10  Richard Guenther  <rguenther@suse.de>
792
793         PR middle-end/51806
794         * opts.c (common_handle_option): Handle -Werror.
795
796 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
797
798         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
799         operand number.
800
801 2012-01-10  Jason Merrill  <jason@redhat.com>
802
803         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
804         information.
805
806 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
807
808         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
809         supports R_386_TLS_GD_PLT reloc.
810         (gcc_cv_as_ix86_tlsldmplt): Check if linker
811         supports R_386_TLS_LDM_PLT reloc.
812         * configure: Regenerate.
813         * config.in: Regenerate.
814
815 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
816
817         PR target/49868
818         Extend __pgmx semantics to linearize memory.
819         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
820         determine if code comes inline or from libgcc.
821         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
822         (movmem_qi, movmem_qi): Set constraint #2 to "n".
823         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
824         (movmemx_qi, movmemx_hi): New insns.
825         (xload_<mode>_libgcc): Rewrite to new insn condition.
826         (xload_<mode>): Remove insns.
827         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
828         cases that don't satisfy avr_xload_libgcc_p().
829         (avr_addr_space_convert): Allow converting in any direction.
830         (avr_addr_space_subset_p): Return always true.
831         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
832         (avr_emit_movmemhi): Ditto.
833         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
834         (avr_out_movmem): Ditto.
835         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
836         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
837         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
838         (avr_encode_section_info): Encode 'progmem' in symbol flags.
839         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
840
841 2012-01-10  Richard Guenther  <rguenther@suse.de>
842
843         PR tree-optimization/50913
844         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
845         Require data-refs to be representable by Graphite with respect
846         to any loop nest.
847
848 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
849
850         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
851         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
852
853 2012-01-10  Tom de Vries  <tom@codesourcery.com>
854
855         PR rtl-optimization/51271
856         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
857         handling annulled branch.
858
859 2012-01-10  Richard Henderson  <rth@redhat.com>
860
861         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
862         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
863         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
864         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
865         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
866         arm_expand_vec_perm_const): New.
867         * config/arm/arm-protos.h: Update.
868         * config/arm/neon.md (UNSPEC_VCONCAT): New.
869         (*neon_vswp<VDQX>): New.
870         (neon_vcombine<VDX>): Use neon_split_vcombine.
871         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
872         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
873         (vec_perm<VE>): New.
874
875 2012-01-10  Richard Henderson  <rth@redhat.com>
876
877         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
878         use it if reload_completed.
879         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
880         arm_output_asm_insn, arm_process_output_memory_barrier,
881         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
882         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
883         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
884         arm_process_output_sync_insn, arm_output_sync_insn,
885         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
886         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
887         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
888         (emit_unlikely_jump): New.
889         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
890         (arm_split_atomic_op): New.
891         * config/arm/arm-protos.h: Update.
892         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
893         (struct arm_sync_generator): Remove.
894         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
895         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
896         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
897         (VUNSPEC_LL, VUNSPEC_SC): New.
898         (sync_result, sync_memory, sync_required_value, sync_new_value,
899         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
900         (attr length): Don't use arm_sync_loop_insns.
901         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
902         (movsfcc, movdfcc): Likewise.
903         * config/arm/constraints.md (Ua): New.
904         * config/arm/prediates.md (mem_noofs_operand): New.
905         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
906         (sync_clobber, sync_t2_reqd): Remove.
907         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
908         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
909         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
910         (arm_sync_compare_and_swap<SIDI>): Remove.
911         (arm_sync_compare_and_swap<NARROW>): Remove.
912         (arm_sync_lock_test_and_set<SIDI>): Remove.
913         (arm_sync_lock_test_and_set<NARROW>): Remove.
914         (arm_sync_new_<syncop><SIDI>): Remove.
915         (arm_sync_new_<syncop><NARROW>): Remove.
916         (arm_sync_new_nand<SIDI>): Remove.
917         (arm_sync_new_nand<NARROW>): Remove.
918         (arm_sync_old_<syncop><SIDI>): Remove.
919         (arm_sync_old_<syncop><NARROW>): Remove.
920         (arm_sync_old_nand<SIDI>): Remove.
921         (arm_sync_old_nand<NARROW>): Remove.
922         (*memory_barrier): Merge arm_output_memory_barrier.
923         (atomic_compare_and_swap<QHSD>): New.
924         (atomic_compare_and_swap<NARROW>_1): New.
925         (atomic_compare_and_swap<SIDI>_1): New.
926         (atomic_exchange<QHSD>): New.
927         (cas_cmp_operand, cas_cmp_str): New.
928         (atomic_op_operand, atomic_op_str): New.
929         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
930         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
931         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
932         (arm_load_exclusive<NARROW>): New.
933         (arm_load_exclusivesi, arm_load_exclusivedi): New.
934         (arm_store_exclusive<QHSD>): New.
935
936 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
937
938         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
939         reload patterns if -mvsx-scalar-memory.
940
941         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
942         generated, even -mno-vsx-scalar-double was used.
943         (vsx_xscvdpsp_scalar): Likewise.
944         (vsx_xscvspdp_scalar2): Likewise.
945
946 2012-01-09  Tom de Vries  <tom@codesourcery.com>
947             Andrew Pinski  <apinski@cavium.com>
948
949         PR debug/51471
950         * reorg.c (fill_slots_from_thread): Don't speculate
951         frame-related insns.
952
953 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
954
955         * sched-int.h (bb_note): Move to...
956         * basic-block.h: ...here.
957         * haifa-sched.c (bb_note): Move to...
958         * cfgrtl.c: ...here.
959         * function.c (next_block_for_reg): New function.
960         (move_insn_for_shrink_wrap): Likewise.
961         (prepare_shrink_wrap): Rewrite to use the above.
962
963 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
964
965         * gimple.c (is_gimple_non_addressable): Remove.
966         * gimple.h: Remove is_gimple_non_addressable.
967         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
968         is_gimple_non_addressable.
969         * trans-mem.c (expand_assign_tm): Same.
970
971 2012-01-09  Richard Guenther  <rguenther@suse.de>
972
973         PR tree-optimization/51775
974         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
975         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
976
977 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
978
979         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
980         tuning parameters.
981         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
982
983 2012-01-09  Richard Guenther  <rguenther@suse.de>
984
985         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
986
987 2012-01-08  Jan Hubicka  <jh@suse.cz>
988
989         PR tree-optimize/51680
990         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
991         on when known_vals needs to be computed; cleanup.
992
993 2012-01-08  Jan Hubicka  <jh@suse.cz>
994
995         PR tree-optimize/51694
996         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
997
998 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
999
1000         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1001         for -std=c++98 and -std=c++11 too.
1002
1003 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
1004
1005         * cfgloop.c (cancel_loop): Add free() of bbs array.
1006
1007 2012-01-07  Jan Hubicka  <jh@suse.cz>
1008
1009         PR tree-optimization/51600
1010         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1011         that benefits small functions.
1012
1013 2012-01-07  Jan Hubicka  <jh@suse.cz>
1014
1015         * ipa-inline.c (want_inline_small_function_p): Fix formating.
1016
1017 2012-01-07  Jan Hubicka  <jh@suse.cz>
1018
1019         PR tree-optimization/51680
1020         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1021         whose inlining reduce unit size.
1022
1023 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
1024
1025         PR bootstrap/51725
1026         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1027         Add canonical node to containing_mem chain after the non-canonical
1028         one, even if there weren't any locs to propagate.
1029         (remove_useless_values): Keep only canonical values.
1030         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1031         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
1032         canonicalize mem_chain elements that are not discarded.
1033
1034 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
1035
1036         PR target/47333
1037         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1038         before emitting functions.
1039
1040         PR gcov-profile/50127
1041         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1042         clear_aux_for_blocks.
1043
1044 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
1045
1046         PR debug/51746
1047         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1048
1049 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
1050
1051         * c-decl.c (ext_block): Moved up.
1052         (collect_all_refs, for_each_global_decl): Take ext_block into account.
1053
1054 2012-01-06  Han Shen  <shenhan@google.com>
1055
1056         Translate built-in include paths for sysroot.
1057         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1058         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1059
1060         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1061         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1062
1063         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1064         control whether sysroot should be prepended to gxx include dir.
1065
1066         * configure: Regenerate.
1067
1068 2012-01-06  Torvald Riegel  <triegel@redhat.com>
1069
1070         PR rtl-optimization/51771
1071         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1072         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1073
1074 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1075
1076         PR tree-optimization/51315
1077         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1078         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1079
1080 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
1081
1082         PR target/51681
1083         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1084         for shrp pattern.  Correctly handle and fixup shift variable.
1085         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1086
1087 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1088
1089         PR debug/51762
1090         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1091         note when !ACCUMULATE_OUTGOING_ARGS.
1092
1093 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
1094
1095         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1096         condition.
1097         (extract_range_from_unary_expr_1): Avoid useless computations.
1098
1099 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1100
1101         PR rtl-optimization/51767
1102         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1103         of jump_block and add an extra edge for degenerated asm gotos.
1104
1105         PR middle-end/51768
1106         * stmt.c (check_unique_operand_names): Don't ICE during error
1107         reporting if i is from labels chain.
1108
1109         PR middle-end/44777
1110         * profile.c (branch_prob): Split bbs that have exit edge
1111         and need a fake entry edge too.
1112
1113 2012-01-05  Jan Hubicka  <jh@suse.cz>
1114
1115         PR middle-end/49710
1116         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1117         unlooping loops.
1118
1119 2012-01-05  Richard Guenther  <rguenther@suse.de>
1120
1121         PR lto/50490
1122         * tree-streamer-out.c (write_ts_optimization): New function.
1123         (streamer_write_tree_body): Call it.
1124         * tree-streamer-in.c (lto_input_ts_optimization): New function.
1125         (streamer_read_tree_body): Call it.
1126         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1127
1128 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1129
1130         PR middle-end/51761
1131         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1132         * gimplify.c (gimplify_cleanup_point_expr): Save and set
1133         in_cleanup_point_expr before gimplify_stmt call and restore it
1134         afterwards.
1135         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1136         in_cleanup_point_expr is false.
1137
1138 2012-01-05  Richard Guenther  <rguenther@suse.de>
1139
1140         PR middle-end/51764
1141         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1142         to c.opt.
1143         * toplev.c (process_options): Reject combining mudflap and LTO.
1144         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1145
1146 2012-01-05  Richard Guenther  <rguenther@suse.de>
1147
1148         PR tree-optimization/51760
1149         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1150         not VARYING.
1151         (bit_value_unop): Handle UNDEFINED operands.
1152         (bit_value_binop): Likewise.
1153
1154 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
1155
1156         * config/avr/avr.c (avr_replace_prefix): Remove.
1157         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1158         (avr_asm_function_rodata_section): Ditto.
1159         (avr_asm_select_section): Ditto.
1160
1161 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
1162
1163         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1164         insertion.
1165
1166 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
1167
1168         PR bootstrap/51648
1169         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1170         calls that have any non-fake successor edges.
1171
1172         PR debug/51746
1173         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1174
1175 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
1176
1177         PR tree-optimization/51624
1178         * tree-sra.c (build_ref_for_model): When replicating a chain of
1179         COMPONENT_REFs, stop as soon as the offset would become negative.
1180
1181 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
1182
1183         PR debug/51695
1184         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1185         in .debug_loc on the floor.
1186
1187 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1188
1189         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1190
1191 2012-01-04  Andrew Pinski  <apinski@cavium.com>
1192             Adam Nemet  <anemet@caviumnetworks.com>
1193
1194         * config/mips/mips.md (size): Add SI and DI.
1195         (SIZE): New mode attribute.
1196         (U): New code attribute.
1197         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1198         (mips_lbux_<mode>): Delete.
1199         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1200         (mips_lhx): Use gen_mips_lhx_extsi.
1201         (mips_lhx_<mode>): Delete.
1202         (mips_lwx): Delete.
1203         (mips_l<size>x): New expand.
1204         (mips_lwx_<mode>): Delete.
1205         (mips_l<GPR:size>x_<P:mode>): New pattern.
1206         (*mips_lw<u>x_<P:mode>_ext): Likewise.
1207         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1208         * config/mips/mips.c (mips_lx_address_p): New function.
1209         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1210         (dsp64): New availability predicate.
1211         (mips_builtins): Add an entry for __builtin_mips_ldx.
1212         * config/mips/mips.h (ISA_HAS_LBX): New define.
1213         (ISA_HAS_LBUX): Likewise.
1214         (ISA_HAS_LHX): Likewise.
1215         (ISA_HAS_LHUX): Likewise.
1216         (ISA_HAS_LWX): Likewise.
1217         (ISA_HAS_LWUX): Likewise.
1218         (ISA_HAS_LDX): Likewise.
1219         * doc/extend.texi (__builtin_mips_ldx): Document.
1220
1221 2012-01-04  Tristan Gingold  <gingold@adacore.com>
1222
1223         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1224         when long pointers are used.
1225         * config.build (*-*-*vms*): Handle all OpenVMS targets.
1226         (alpha64-dec-*vms*, alpha*-dec-*vms*)
1227         (ia64-hp-*vms*): Remove.
1228         * config/vms/xm-vms64.h: Delete.
1229
1230 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1231
1232         PR middle-end/51472
1233         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1234
1235 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1236
1237         * opts.c (finish_options): Remove duplicate sorry.
1238
1239 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
1240
1241         PR middle-end/51696
1242         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1243         correctly.
1244
1245 2012-01-04  Richard Guenther  <rguenther@suse.de>
1246
1247         PR middle-end/51750
1248         * tree.c (size_low_cst): New function.
1249         * tree.h (size_low_cst): Declare.
1250         * fold-const.c (fold_comparison): Use it to extract the low
1251         part of the POINTER_PLUS_EXPR offset.
1252
1253 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
1254
1255         Fix clearing ZERO_REG
1256         * config/avr/avr.md (cc): Add alternative "ldi".
1257         (movqi_insn): Use it in cc attribute.
1258         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1259         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1260         (output_reload_insisf): Use ZERO_REG to pre-clear register.
1261
1262 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1263
1264         * configure: Regenerate.
1265
1266 2012-01-04  Richard Guenther  <rguenther@suse.de>
1267
1268         PR tree-optimization/49651
1269         * tree-ssa-structalias.c (type_can_have_subvars): New function.
1270         (var_can_have_subvars): Use it.
1271         (get_constraint_for_1): Only consider subfields if there can be any.
1272
1273 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1274
1275         PR bootstrap/51725
1276         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1277         to its new canonical_cselib_val and the cselib_val was in
1278         first_containing_mem chain, but the canonical_cselib_val was not,
1279         add the latter into the chain.
1280         (cselib_invalidate_mem): Compare canonical_cselib_val of
1281         addr_list chain elt with v.
1282
1283         PR pch/51722
1284         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1285         dwarf2out_undef): Allocate e.info using ggc_strdup instead
1286         of xstrdup.
1287         (output_macinfo_op): Don't ggc_strdup fd->filename.
1288         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1289         then ggc_strdup it.  Don't free inc->info or cur->info.
1290         (output_macinfo): Don't free ref->info or file->info.
1291
1292 2012-01-03  Ira Rosen  <irar@il.ibm.com>
1293
1294         PR tree-optimization/51269
1295         * tree-vect-loop-manip.c (set_prologue_iterations): Make
1296         first_niters a pointer.
1297         (slpeel_tree_peel_loop_to_edge): Likewise.
1298         (vect_do_peeling_for_loop_bound): Update call to
1299         slpeel_tree_peel_loop_to_edge.
1300         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1301         here.  Remove it from the parameters list.
1302         (vect_do_peeling_for_alignment): Update calls and compute
1303         wide_prolog_niters.
1304
1305 2012-01-03  Richard Guenther  <rguenther@suse.de>
1306
1307         PR tree-optimization/51070
1308         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1309         Properly handle calls.
1310
1311 2012-01-03  Richard Guenther  <rguenther@suse.de>
1312
1313         PR tree-optimization/51692
1314         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1315         the LHS of allocation stmts.
1316
1317 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1318
1319         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1320
1321 2012-01-03  Olivier Hainque  <hainque@adacore.com>
1322
1323         * collect2.c (main): In AIX specific computations for vector
1324         insertions, use CONST_CAST2 to cast from char ** to const char **.
1325
1326 2012-01-03  Richard Guenther  <rguenther@suse.de>
1327
1328         PR debug/51650
1329         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1330         the context of a limbo DIE when it does not already exist.
1331
1332 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
1333
1334         PR tree-optimization/51719
1335         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1336         but direct call is, clear direct call's lhs and don't add fallthrough
1337         edge from dcall_bb to join_bb and PHIs.
1338
1339 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1340
1341         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1342         the instructions emitted by the pattern.
1343         ("*TDC_insn_<mode>"): Add comment.
1344
1345 2012-01-03  Richard Guenther  <rguenther@suse.de>
1346
1347         PR middle-end/51730
1348         * fold-const.c (fold_comparison): Properly canonicalize
1349         tree offset and HOST_WIDE_INT bit position.
1350
1351 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
1352
1353         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1354         operands for extzv pattern.
1355
1356 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1357
1358         PR bootstrap/51725
1359         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1360         on mem_elt first.
1361
1362 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
1363
1364         * doc/invoke.texi (-flto and related options): Copy-edit.
1365
1366 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1367
1368         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1369
1370 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1371
1372         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1373         New patterns.
1374
1375 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
1376
1377         * expr.h (move_by_pieces_ninsns): Declare.
1378         * expr.c (move_by_pieces_ninsns): Make external.
1379         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1380         (mips_store_by_pieces_p): Likewise.
1381         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1382         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1383         * config/mips/mips.c (mips_move_by_pieces_p): New function.
1384         (mips_store_by_pieces_p): Likewise.
1385
1386 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
1387
1388         * passes.c (register_one_dump_file): Free full_name.
1389
1390         * reload1.c (reload): Don't allocate reg_max_ref_width here.
1391         (calculate_elim_costs_all_insns): Free offsets_at and
1392         offsets_known_at at the end and clear the pointers.
1393
1394 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1395
1396         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1397         this option introduced in r180739.
1398
1399 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1400
1401         PR target/51345
1402         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1403         (tmake_file target=avr): Add avr/t-multilib.
1404
1405         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1406         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1407         * config/avr/genmultilib.awk: New file.
1408         * config/avr/t-multilib: New auto-generated file.
1409         * config/avr/multilib.h: New auto-generated file.
1410         * config/avr/t-avr (AVR_MCUS): New variable.
1411         (genopt.sh): Use it.
1412         (s-mlib): Depend on t-multilib.
1413         (t-multilib, multilib.h): New dependencies.
1414         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1415         (MULTILIB_OPTIONS): Remove.
1416         (MULTILIB_MATCHES): Remove.
1417         (MULTILIB_DIRNAMES): Remove.
1418         (MULTILIB_EXCEPTIONS): Remove:
1419         * config/avr/genopt.sh: Don't use hard coded file name;
1420         pass AVR_MCUS from t-avr instead.
1421
1422 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1423
1424         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1425
1426 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
1427
1428         Implement light-weight DImode support.
1429         * config/avr/avr-dimode.md: New file.
1430         * config/avr/avr.md: Include it.
1431         (adjust_len): Add plus64, compare64.
1432         (HIDI): Remove code iterator.
1433         (code_stdname): New code attribute.
1434         (rotx, rotsmode): Remove DI.
1435         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1436         as code iterator.
1437         * config/avr/avr-protos.h (avr_have_dimode): New.
1438         (avr_out_plus64, avr_out_compare64): New.
1439         * config/avr/avr.c (avr_out_compare): Handle DImode.
1440         (avr_have_dimode): New variable definition and initialization.
1441         (avr_out_compare64, avr_out_plus64): New functions.
1442         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1443         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1444         (avr_compare_pattern): Skip DImode comparisons.
1445
1446 2012-01-02  Revital Eres  <revital.eres@linaro.org>
1447
1448         * ddg.c (def_has_ccmode_p): New function.
1449         (add_cross_iteration_register_deps,
1450         create_ddg_dep_from_intra_loop_link): Call it.
1451
1452 2012-01-02  Richard Guenther  <rguenther@suse.de>
1453
1454         PR other/51679
1455         * invoke.texi (fassociative-math): Remove spurious paranthesis.
1456
1457 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1458
1459         * gcc.c (process_command): Update copyright notice dates.
1460         * gcov.c (print_version): Likewise.
1461         * gcov-dump.c (print_version): Likewise.
1462         * mips-tfile.c (main): Likewise.
1463         * mips-tdump.c (main): Likewise.
1464
1465 2012-01-01  Ira Rosen  <irar@il.ibm.com>
1466
1467         PR tree-optimization/51704
1468         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1469         a use is inside the basic block or loop before accessing its vect info.
1470
1471 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
1472
1473         PR rtl-optimization/51069
1474         * cfgloopmanip.c (remove_path): Removing path making irreducible
1475         region unconditional makes BB part of the region.
1476
1477 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
1478
1479         PR tree-optimization/51683
1480         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1481         calls with side-effects.
1482         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1483 \f
1484 Copyright (C) 2012 Free Software Foundation, Inc.
1485
1486 Copying and distribution of this file, with or without modification,
1487 are permitted in any medium without royalty provided the copyright
1488 notice and this notice are preserved.