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re PR debug/45682 (missing namespace parent die when using -gdwarf-4)
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2d663cb9
CC		 12012-01-20 Cary Coutant <ccoutant@google.com>
2 Dodji Seketeli <dodji@redhat.com>
3
4 PR debug/45682
5 * dwarf2out.c (copy_declaration_context): Return ref to parent
6 of declaration DIE, if necessary.
7 (remove_child_or_replace_with_skeleton): Add new parameter; update
8 caller. Place skeleton DIE under parent DIE of original declaration.
9 Move call to copy_declaration_context to here ...
10 (break_out_comdat_types): ... from here.
11
afa73d3a
AK		 122012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
13
14 PR rtl-optimization/51856
15 * reload.c (find_reloads_subreg_address): Set the address_reloaded
16 flag to reloaded.
17
3675f54b
RR		 182012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
19
20 PR target/51819
21 * config/arm/arm.c (arm_print_operand): Correct output of alignment
22 hints for neon loads and stores.
23
542bf446
GJL		 242012-01-20 Georg-Johann Lay <avr@gjlay.de>
25
26 PR target/49868
27 PR target/50887
28 * doc/extend.texi (Named Address Spaces): Split into subsections.
29 (AVR Named Address Spaces): New subsection.
30 (M32C Named Address Spaces): New subsection.
31 (RL78 Named Address Spaces): New subsection.
32 (SPU Named Address Spaces): New subsection.
33 (Variable Attributes): New anchor "AVR Variable Attributes".
34 (AVR Variable Attributes): Rewrite and avoid wording
35 "address space" in this context.
36 * doc/invoke.texi (AVR Options): Rewrite and add documentation
37 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
38 (AVR Built-in Macros): New subsubsection therein.
39 * doc/md.texi (AVR constraints): Remove "C04", "R".
40
a88b3135
RG		 412012-01-20 Richard Guenther <rguenther@suse.de>
42
43 PR tree-optimization/51903
44 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
45 when removing stmts.
46
f06129ea
RR		 472012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
48
49 PR target/50313
50 * config/arm/arm.c (arm_load_pic_register): Use
51 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
52 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
53 (arm_pic_static_addr): Likewise.
54 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
55 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
56 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
57 (pic_load_addr_unified): New.
58
229bfbcf
AB		 592012-01-20 Andrey Belevantsev <abel@ispras.ru>
60
61 PR target/51106
62 * function.c (instantiate_virtual_regs_in_insn): Use
63 delete_insn_and_edges when removing a wrong asm insn.
64
2608d841
VM		 652012-01-19 Vladimir Makarov <vmakarov@redhat.com>
66
67 PR rtl-optimization/40761
68 * ira-int.h (struct ira_loop_tree_node): Add comment for member
69 loop. Add new member loop_num.
70 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
71 (ira_build): Remove the parameter.
72
73 * ira.c (ira_print_disposition): Use loop_num instead of
74 loop->num.
75 (ira.c): Do not build CFG loops for one region allocation. Remove
76 argument from ira_build call.
77
78 * ira-build.c (init_loop_tree_node): New function.
79 (create_loop_tree_nodes): Use it. Separate the case when CFG
80 loops are not built.
81 (more_one_region_p): Check current_loops.
82 (finish_loop_tree_nodes): Separate the case when CFG loops are not
83 built.
84 (add_loop_to_tree): Process loop equal to NULL too.
85 (form_loop_tree): Separate the case when CFG loops are not built.
86 Use explicitly number for the root.
87 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
88 an assertion.
89 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
90 instead of loop->num.
91 (mark_loops_for_removal): Ditto. Use loop_num instead of
92 loop->num.
93 (mark_all_loops_for_removal): Ditto.
94 (remove_unnecessary_regions): Separate the case when CFG loops
95 are not built.
96 (ira_build): Remove the parameter. Use explicit number of regions
97 when CFG loops are not built.
98
99 * ira-color.c (print_loop_title): Separate the case for the root
100 node. Use loop_num instead of loop->num.
101 (move_spill_restore): Use loop_num instead of loop->num.
102
103 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
104 (change_loop): Ditto.
105 (change_loop): Use loop_num instead of loop->num.
106
107 * ira-lives.c (process_bb_node_lives): Ditto.
108
109 * ira-costs.c (print_allocno_costs, find_costs_and_classes):
110 Ditto.
111
112 * ira-conflicts.c (print_allocno_conflicts): Ditto.
113
dc2c7a52
JJ		 1142012-01-19 Jakub Jelinek <jakub@redhat.com>
115
58b3ebf2
JJ		 116 PR libmudflap/40778
117 * tree-mudflap.c (mf_artificial): New function.
118 (execute_mudflap_function_ops, execute_mudflap_function_decls,
119 mx_register_decls, mudflap_enqueue_decl): Use it.
120
dc2c7a52
JJ		 121 PR target/51876
122 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
123 numbers in the insn pattern.
124
d5038d06
MM		 1252012-01-19 Michael Matz <matz@suse.de>
126
127 PR tree-optimization/46590
128 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
129 use it in remembering which conflicts we already created.
130 (add_scope_conflicts): Adjust call to above, (de)allocate helper
131 bitmap.
132
aad038ca
AH		 1332012-01-19 Aldy Hernandez <aldyh@redhat.com>
134
135 PR lto/51280
136 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
137 (merge_and_complain): Same.
138
e9c9f128
JJ		 1392012-01-19 Jakub Jelinek <jakub@redhat.com>
140
141 PR bootstrap/50237
142 * config/initfini-array.h: Guard content of the header
143 with #ifdef HAVE_INITFINI_ARRAY.
144 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
145 Add initfini-array.h to tm_file here.
146 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker
147 test.
148 * config.gcc: Don't add initfini-array.h to tm_file here.
149 * configure: Regenerated.
150
1512012-01-19 Andrey Belevantsev <abel@ispras.ru>
f90aa714
AB		 152
153 PR rtl-optimization/51505
154 * df-problems.c (df_kill_notes): New parameter live. Update comment.
155 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
156 (df_note_bb_compute): Update the call to df_kill_notes.
157
63c0efdb
AH		 1582012-01-18 Aldy Hernandez <aldyh@redhat.com>
159
160 * trans-mem.c (requires_barrier): Remove call to is_global_var.
161
b8cf611d
RG		 1622012-01-18 Richard Guenther <rguenther@suse.de>
163
164 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
165 of conversions to void *.
166
3bdb97b8
AK		 1672012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
168 Richard Sandiford <rdsandiford@googlemail.com>
169
170 PR middle-end/50325
171 PR middle-end/51192
172 * optabs.h (simplify_expand_binop): Declare.
173 * optabs.c (simplify_expand_binop): Make global.
174 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
175 endian targets if the source cannot be exactly covered by word
176 mode chunks.
177
ee3d2ecd
JJ		 1782012-01-17 Jakub Jelinek <jakub@redhat.com>
179
180 PR bootstrap/51872
181 * hard-reg-set.h (struct hard_reg_set_container): New type.
182 * target.h (struct hard_reg_set_container): Forward declare.
183 * target.def (set_up_by_prologue): New target hook.
184 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
185 * doc/tm.texi: Regenerated.
186 * function.c (thread_prologue_and_epilogue_insns): Change
187 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
188 Call targetm.set_up_by_prologue on it.
189 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
190 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
191
be61ce52
NC		 1922012-01-17 Nick Clifton <nickc@redhat.com>
193
194 * config/rx/rx.c (rx_can_use_simple_return): New function.
195 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
196 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
197
e831c1e8
RG		 1982012-01-17 Richard Guenther <rguenther@suse.de>
199
200 PR middle-end/51782
201 * expr.c (expand_assignment): Take address-space information
202 from the address operand of MEM_REF and TARGET_MEM_REF.
203 (expand_expr_real_1): Likewise.
204
67463efb
AK		 2052012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
206
207 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
208 reload dump is requested.
209
59cbe98e
AH		 2102012-01-17 Aldy Hernandez <aldyh@redhat.com>
211
212 PR other/51165
213 * trans-mem.c (requires_barrier): Call may_be_aliased.
214
e6fa9204
JJ		 2152012-01-17 Jakub Jelinek <jakub@redhat.com>
216
217 PR tree-optimization/51877
218 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
219 call arguments and fndecls compare equal, instead return false if they
220 don't. Return true only if lhs1 and lhs2 are either both NULL, or
221 both SSA_NAMEs that are valueized the same, or they satisfy
222 operand_equal_p.
223
26923657
RO		 2242012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
225
226 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
227 Solaris 11+.
228 * configure: Regenerate.
229
c53153e7
JH		 2302012-01-16 Jan Hubicka <jh@suse.cz>
231
232 PR c/12245
233 PR c++/14179
234 * convert.c (convert_to_integer): Use fold_convert for
235 converting an INTEGER_CST to integer type.
236
7aeb037b
JM		 2372012-01-16 Jason Merrill <jason@redhat.com>
238
239 PR c++/14179
240 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
241
90dda0e9
JJ		 2422012-01-16 Jakub Jelinek <jakub@redhat.com>
243
00fbd5c8
JJ		 244 PR bootstrap/51860
245 * config/s390/s390.c (s390_chunkify_start): Don't skip
246 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
247 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
248 If insn is followed by NOTE_INSN_VAR_LOCATION or
249 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
250 Don't use location of note insns.
251
90dda0e9
JJ		 252 PR tree-optimization/51865
253 * tree-inline.c (tree_function_versioning): Call remap_decl
254 on DECL_RESULT whenever it has VOID_TYPE_P type.
255
62835cee
RS		 2562012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
257
258 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
259 for calls to locally-binding MIPS16 functions if only the return
260 type uses float regs.
261
ddaf8125
RS		 2622012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
263 Richard Sandiford <rdsandiford@googlemail.com>
264
265 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
266 (SYMBOL_32_HIGH): Likewise.
267 (mips_output_tls_reloc_directive): Declare.
268 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
269 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
270 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
271 (mips_lo_relocs, mips_hi_relocs): Make extern.
272 (mips16_stub_function): Move up file.
273 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
274 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
275 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
276 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead
277 of SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1
278 if it's false.
279 (mips_get_tp): Add MIPS16 support.
280 (mips_legitimize_tls_address): Remove MIPS16 sorry().
281 Generalize DTPREL and TPREL handling.
282 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
283 Add MIPS16 TLS support.
284 (mips_output_tls_reloc_directive): New function.
285 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
286 * config/mips/predicates.md (symbolic_operand_with_high)
287 (tls_reloc_operand): New predicates.
288 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
289 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
290 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
291 (*unshifted_high): New instruction. Use it for MIPS16
292 high splitter.
293 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
294 (*tls_get_tp_mips16_call_<mode>): Likewise.
295
bf63ef6c
UB		 2962012-01-15 Uros Bizjak <ubizjak@gmail.com>
297
298 PR rtl-optimization/51821
299 * recog.c (peep2_find_free_register): Determine clobbered registers
300 from insn pattern.
301
cfbaed3b
DC		 3022012-01-14 Denis Chertykov <chertykov@gmail.com>
303
304 PR target/50925
305 * config/avr/avr-protos.h: Revert change of 2012-01-09.
306 * config/avr/avr.c: Likewise.
307 * config/avr/avr.h: Likewise.
308
12448f77
ILT		 3092012-01-13 Ian Lance Taylor <iant@google.com>
310
311 PR c++/50012
312 * tree.h (TYPE_QUALS): Add cast to int.
313 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
314
9ab6f957
ILT		 3152012-01-13 Ian Lance Taylor <iant@google.com>
316
317 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
318 comparing param_index to VEC_length result.
319
8554df86
SB		 3202012-01-13 Steven Bosscher <steven@gcc.gnu.org>
321
322 * c-decl.c: Do not include tree-mudflap.h
323 * tree-optimize.c: Likewise.
324 * Makefile.in: Update dependencies.
325
aabb90e5
RG		 3262012-01-13 Richard Guenther <rguenther@suse.de>
327
328 PR middle-end/8081
329 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
330 variable-sized result always use RSO.
331
639d4bb8
DD		 3322012-01-12 DJ Delorie <dj@redhat.com>
333
334 * cfgexpand.c (convert_debug_memory_address): Allow any valid
335 pointer type, not just the default pointer type.
336
105b876e
RH		 3372012-01-09 Richard Henderson <rth@redhat.com>
338 Denis Chertykov <chertykov@gmail.com>
339
340 PR target/50925
341 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
342 * config/avr/avr.c (avr_can_eliminate): Simplify.
343 (avr_initial_elimination_offset): Likewise.
344 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
345 (expand_epilogue): Likewise.
346 (avr_legitimize_address): Gut.
347 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
348 (avr_hard_regno_nregs): New.
349 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
350 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
351 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
352 add soft frame pointer.
353 (CALL_USED_REGISTERS): Likewise.
354 (REG_CLASS_CONTENTS): Likewise.
355 (REGISTER_NAMES): Likewise.
356 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
357 (HARD_FRAME_POINTER_REGNUM): New.
358 (FRAME_POINTER_REGNUM): Use soft frame pointer.
359 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
360 remove the HARD_FRAME_POINTER self-elimination.
361
458652d1 3622012-01-12 Georg-Johann Lay <avr@gjlay.de>
ab8c5093
GJL		 363
364 PR target/51756
365 * config/avr/avr.c (avr_encode_section_info): Test for absence of
366 DECL_EXTERNAL when checking for initializers of progmem variables.
367
82db3d43
IR		 3682012-01-12 Ira Rosen <irar@il.ibm.com>
369
370 PR tree-optimization/51799
371 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
372 that the last operation is a type demotion.
373
64668e68
UB		 3742012-01-12 Uros Bizjak <ubizjak@gmail.com>
375
376 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
377 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
378
319638ed
JJ		 3792012-01-11 Jakub Jelinek <jakub@redhat.com>
380
381 PR bootstrap/51796
382 * combine.c (distribute_notes): If i3 is a noreturn call,
383 allow old_size to be equal to args_size and make sure the
384 noreturn call gets REG_ARGS_SIZE note.
385 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
386 on noreturn calls even when the delta is 0.
387
8f961b22
NS		 3882012-01-11 Nathan Sidwell <nathan@acm.org>
389
390 * gcov.c (STRING_SIZE): Remove.
391 (generate_results): Erase annotations for source files with no
392 coverage information.
393 (read_line): New.
394 (output_lines): Use it.
395
3ad065ef
EB		 3962012-01-11 Eric Botcazou <ebotcazou@adacore.com>
397
398 * gimple.h (gimplify_body): Remove first argument.
399 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
400 pointer set here, instead just pass DATA to walk_tree.
401 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
402 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
403 (unvisit_body): Likewise, but with unmark_visited.
404 (gimplify_body): Remove BODY_P argument and adjust.
405 (gimplify_function_tree): Adjust call to gimplify_body.
406 * omp-low.c (finalize_task_copyfn): Likewise.
407
1a2c27e9
EB		 4082012-01-11 Eric Botcazou <ebotcazou@adacore.com>
409
410 * tree.h (build_function_decl_skip_args): Add boolean parameter.
411 (build_function_type_skip_args): Delete.
412 * tree.c (build_function_type_skip_args): Make static and add
413 SKIP_RETURN parameter. Fix thinko in the handling of variants.
414 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
415 pass it to build_function_type_skip_args.
416 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
417 (tree_function_versioning): Likewise.
418 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
419 build_function_decl_skip_args.
420 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
421 and pass it to build_function_decl_skip_args/tree_function_versioning.
422 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
423 * ipa-inline-transform.c (save_inline_function_body): Likewise.
424 * trans-mem.c (ipa_tm_create_version): Likewise.
425 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
426 * tree-inline.c (declare_return_variable): Remove always-true test.
427 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
428 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
429 * ipa-split.c (split_function): Skip the return value for the split
430 part if it doesn't return.
431
b2e25729
BS		 4322012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
433
434 PR tree-optimization/49642
435 * ipa-split.c (forbidden_dominators): New variable.
436 (check_forbidden_calls): New function.
437 (dominated_by_forbidden): Likewise.
438 (consider_split): Check for forbidden dominators.
439 (execute_split_functions): Initialize and free forbidden
440 dominators info; call check_forbidden_calls.
441
9150e331
MGD		 4422012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
443
444 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
445
1c97289f
NC		 4462012-01-11 Nick Clifton <nickc@redhat.com>
447
448 * config/rx/rx.md (return): Define pattern.
449
65d5c485
RG		 4502012-01-11 Richard Guenther <rguenther@suse.de>
451
452 * doc/extend.texi (malloc attribute): Adjust according to
453 implementation.
454
594ec92f
AH		 4552012-01-10 Aldy Hernandez <aldyh@redhat.com>
456 Patrick Marlier <patrick.marlier@gmail.com>
457
458 PR middle-end/51516
459 * trans-mem.c (get_cg_data): Traverse aliases if requested.
460 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
461 (ipa_tm_note_irrevocable): Same.
462 (ipa_tm_scan_irr_block): Same.
463 (ipa_tm_decrement_clone_counts): Same.
464 (ipa_tm_scan_irr_function): Same.
465 (ipa_tm_create_version_alias): Same.
466 (ipa_tm_create_version): Same.
467 (ipa_tm_transform_calls_redirect): Same.
468 (ipa_tm_transform_calls): Same.
469 (ipa_tm_transform_transaction): Same.
470 (ipa_tm_execute): Same.
471
aee15221
RG		 4722012-01-10 Richard Guenther <rguenther@suse.de>
473
474 PR middle-end/51806
475 * opts.c (common_handle_option): Handle -Werror.
476
b339cf22
AS		 4772012-01-10 Andreas Schwab <schwab@linux-m68k.org>
478
479 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
480 operand number.
481
90aa444c
JM		 4822012-01-10 Jason Merrill <jason@redhat.com>
483
484 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
485 information.
486
0f24748c
RO		 4872012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
488
489 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
490 supports R_386_TLS_GD_PLT reloc.
491 (gcc_cv_as_ix86_tlsldmplt): Check if linker
492 supports R_386_TLS_LDM_PLT reloc.
493 * configure: Regenerate.
494 * config.in: Regenerate.
495
cba300dd
GJL		 4962012-01-10 Georg-Johann Lay <avr@gjlay.de>
497
498 PR target/49868
499 Extend __pgmx semantics to linearize memory.
500 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
501 determine if code comes inline or from libgcc.
502 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
503 (movmem_qi, movmem_qi): Set constraint #2 to "n".
504 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
505 (movmemx_qi, movmemx_hi): New insns.
506 (xload_<mode>_libgcc): Rewrite to new insn condition.
507 (xload_<mode>): Remove insns.
508 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
509 cases that don't satisfy avr_xload_libgcc_p().
510 (avr_addr_space_convert): Allow converting in any direction.
511 (avr_addr_space_subset_p): Return always true.
512 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
513 (avr_emit_movmemhi): Ditto.
514 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
515 (avr_out_movmem): Ditto.
516 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
517 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
518 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
519 (avr_encode_section_info): Encode 'progmem' in symbol flags.
520 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
521
390b24dc
RG		 5222012-01-10 Richard Guenther <rguenther@suse.de>
523
524 PR tree-optimization/50913
525 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
526 Require data-refs to be representable by Graphite with respect
527 to any loop nest.
528
f148a434
UB		 5292012-01-10 Uros Bizjak <ubizjak@gmail.com>
530
531 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
532 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
533
5d1f1cd5
TV		 5342012-01-10 Tom de Vries <tom@codesourcery.com>
535
6fcebe79 536 PR rtl-optimization/51271
5d1f1cd5
TV		 537 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
538 handling annulled branch.
539
b440f324
RH		 5402012-01-10 Richard Henderson <rth@redhat.com>
541
f148a434 542 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
b440f324
RH		 543 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
544 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
545 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
546 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
547 arm_expand_vec_perm_const): New.
548 * config/arm/arm-protos.h: Update.
549 * config/arm/neon.md (UNSPEC_VCONCAT): New.
550 (*neon_vswp<VDQX>): New.
551 (neon_vcombine<VDX>): Use neon_split_vcombine.
552 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
553 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
554 (vec_perm<VE>): New.
555
18f0fe6b
RH		 5562012-01-10 Richard Henderson <rth@redhat.com>
557
558 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
559 use it if reload_completed.
560 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
561 arm_output_asm_insn, arm_process_output_memory_barrier,
562 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
563 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
564 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
565 arm_process_output_sync_insn, arm_output_sync_insn,
566 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
567 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
568 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
569 (emit_unlikely_jump): New.
570 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
571 (arm_split_atomic_op): New.
572 * config/arm/arm-protos.h: Update.
573 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
574 (struct arm_sync_generator): Remove.
575 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
576 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
577 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
578 (VUNSPEC_LL, VUNSPEC_SC): New.
579 (sync_result, sync_memory, sync_required_value, sync_new_value,
580 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
581 (attr length): Don't use arm_sync_loop_insns.
582 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
583 (movsfcc, movdfcc): Likewise.
584 * config/arm/constraints.md (Ua): New.
585 * config/arm/prediates.md (mem_noofs_operand): New.
586 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
587 (sync_clobber, sync_t2_reqd): Remove.
588 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
589 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
590 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
591 (arm_sync_compare_and_swap<SIDI>): Remove.
592 (arm_sync_compare_and_swap<NARROW>): Remove.
593 (arm_sync_lock_test_and_set<SIDI>): Remove.
594 (arm_sync_lock_test_and_set<NARROW>): Remove.
595 (arm_sync_new_<syncop><SIDI>): Remove.
596 (arm_sync_new_<syncop><NARROW>): Remove.
597 (arm_sync_new_nand<SIDI>): Remove.
598 (arm_sync_new_nand<NARROW>): Remove.
599 (arm_sync_old_<syncop><SIDI>): Remove.
600 (arm_sync_old_<syncop><NARROW>): Remove.
601 (arm_sync_old_nand<SIDI>): Remove.
602 (arm_sync_old_nand<NARROW>): Remove.
603 (*memory_barrier): Merge arm_output_memory_barrier.
604 (atomic_compare_and_swap<QHSD>): New.
605 (atomic_compare_and_swap<NARROW>_1): New.
606 (atomic_compare_and_swap<SIDI>_1): New.
607 (atomic_exchange<QHSD>): New.
608 (cas_cmp_operand, cas_cmp_str): New.
609 (atomic_op_operand, atomic_op_str): New.
610 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
611 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
612 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
613 (arm_load_exclusive<NARROW>): New.
614 (arm_load_exclusivesi, arm_load_exclusivedi): New.
615 (arm_store_exclusive<QHSD>): New.
616
6172012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
df5a9a7c
MM		 618
619 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
620 reload patterns if -mvsx-scalar-memory.
621
622 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
623 generated, even -mno-vsx-scalar-double was used.
624 (vsx_xscvdpsp_scalar): Likewise.
625 (vsx_xscvspdp_scalar2): Likewise.
626
243b92d1
TV		 6272012-01-09 Tom de Vries <tom@codesourcery.com>
628 Andrew Pinski <apinski@cavium.com>
629
6fcebe79 630 PR debug/51471
f148a434
UB		 631 * reorg.c (fill_slots_from_thread): Don't speculate
632 frame-related insns.
243b92d1 633
ef2be249
RS		 6342012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
635
636 * sched-int.h (bb_note): Move to...
637 * basic-block.h: ...here.
638 * haifa-sched.c (bb_note): Move to...
639 * cfgrtl.c: ...here.
640 * function.c (next_block_for_reg): New function.
641 (move_insn_for_shrink_wrap): Likewise.
642 (prepare_shrink_wrap): Rewrite to use the above.
643
345ae177
AH		 6442012-01-09 Aldy Hernandez <aldyh@redhat.com>
645
646 * gimple.c (is_gimple_non_addressable): Remove.
647 * gimple.h: Remove is_gimple_non_addressable.
648 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
649 is_gimple_non_addressable.
650 * trans-mem.c (expand_assign_tm): Same.
651
06468229
RG		 6522012-01-09 Richard Guenther <rguenther@suse.de>
653
654 PR tree-optimization/51775
655 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
656 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
657
12aa62e9
MGD		 6582012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
659
660 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
661 tuning parameters.
662 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
663
fdff9f3d
RB		 6642012-01-09 Richard Guenther <rguenther@suse.de>
665
666 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
667
d028561e
JH		 6682012-01-08 Jan Hubicka <jh@suse.cz>
669
670 PR tree-optimize/51680
fdff9f3d
RB		 671 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
672 on when known_vals needs to be computed; cleanup.
d028561e 673
4c8836c6
JH		 6742012-01-08 Jan Hubicka <jh@suse.cz>
675
676 PR tree-optimize/51694
677 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
678
e478624f
JW		 6792012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
680
681 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
682 for -std=c++98 and -std=c++11 too.
683
b78384e0
CLT		 6842012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
685
686 * cfgloop.c (cancel_loop): Add free() of bbs array.
687
f45b2a8a
JH		 6882012-01-07 Jan Hubicka <jh@suse.cz>
689
690 PR tree-optimization/51600
691 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
692 that benefits small functions.
693
6942012-01-07 Jan Hubicka <jh@suse.cz>
695
696 * ipa-inline.c (want_inline_small_function_p): Fix formating.
697
db22a743
JH		 6982012-01-07 Jan Hubicka <jh@suse.cz>
699
700 PR tree-optimization/51680
701 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
702 whose inlining reduce unit size.
703
faead9f7
AO		 7042012-01-07 Alexandre Oliva <aoliva@redhat.com>
705
706 PR bootstrap/51725
707 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
708 Add canonical node to containing_mem chain after the non-canonical
709 one, even if there weren't any locs to propagate.
710 (remove_useless_values): Keep only canonical values.
711 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
712 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
713 canonicalize mem_chain elements that are not discarded.
714
b71d7f85
JJ		 7152012-01-06 Jakub Jelinek <jakub@redhat.com>
716
0850f694
JJ		 717 PR target/47333
718 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
719 before emitting functions.
720
b71d7f85
JJ		 721 PR gcov-profile/50127
722 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
723 clear_aux_for_blocks.
724
7483eef8
AO		 7252012-01-06 Alexandre Oliva <aoliva@redhat.com>
726
727 PR debug/51746
728 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
729
86d71fca
AC		 7302012-01-06 Arnaud Charlet <charlet@adacore.com>
731
732 * c-decl.c (ext_block): Moved up.
733 (collect_all_refs, for_each_global_decl): Take ext_block into account.
734
17719d09
HS		 7352012-01-06 Han Shen <shenhan@google.com>
736
737 Translate built-in include paths for sysroot.
738 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
739 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
740
741 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
742 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
743
744 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
745 control whether sysroot should be prepended to gxx include dir.
746
747 * configure: Regenerate.
748
b0c99997
TR		 7492012-01-06 Torvald Riegel <triegel@redhat.com>
750
751 PR rtl-optimization/51771
f148a434 752 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
b0c99997
TR		 753 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
754
c3e686a3
EB		 7552012-01-05 Eric Botcazou <ebotcazou@adacore.com>
756
757 PR tree-optimization/51315
758 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
759 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
760
2d130b31
UB		 7612012-01-05 Uros Bizjak <ubizjak@gmail.com>
762
763 PR target/51681
764 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
765 for shrp pattern. Correctly handle and fixup shift variable.
766 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
767
f8f75b16
JJ		 7682012-01-05 Jakub Jelinek <jakub@redhat.com>
769
770 PR debug/51762
771 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
772 note when !ACCUMULATE_OUTGOING_ARGS.
773
629c2cca
EB		 7742012-01-05 Eric Botcazou <ebotcazou@adacore.com>
775
776 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
777 condition.
778 (extract_range_from_unary_expr_1): Avoid useless computations.
779
1e69d24e
JJ		 7802012-01-05 Jakub Jelinek <jakub@redhat.com>
781
a3e6a37b
JJ		 782 PR rtl-optimization/51767
783 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
784 of jump_block and add an extra edge for degenerated asm gotos.
785
36363ebb
JJ		 786 PR middle-end/51768
787 * stmt.c (check_unique_operand_names): Don't ICE during error
788 reporting if i is from labels chain.
789
1e69d24e
JJ		 790 PR middle-end/44777
791 * profile.c (branch_prob): Split bbs that have exit edge
792 and need a fake entry edge too.
793
56494762
JH		 7942012-01-05 Jan Hubicka <jh@suse.cz>
795
796 PR middle-end/49710
797 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
798 unlooping loops.
799
10d12a3e
RG		 8002012-01-05 Richard Guenther <rguenther@suse.de>
801
802 PR lto/50490
803 * tree-streamer-out.c (write_ts_optimization): New function.
804 (streamer_write_tree_body): Call it.
805 * tree-streamer-in.c (lto_input_ts_optimization): New function.
806 (streamer_read_tree_body): Call it.
807 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
808
32be32af
JJ		 8092012-01-05 Jakub Jelinek <jakub@redhat.com>
810
811 PR middle-end/51761
2d130b31 812 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
32be32af
JJ		 813 * gimplify.c (gimplify_cleanup_point_expr): Save and set
814 in_cleanup_point_expr before gimplify_stmt call and restore it
815 afterwards.
816 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
817 in_cleanup_point_expr is false.
818
5720c0dc
RG		 8192012-01-05 Richard Guenther <rguenther@suse.de>
820
821 PR middle-end/51764
822 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
823 to c.opt.
824 * toplev.c (process_options): Reject combining mudflap and LTO.
825 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
826
6ad024b4
RG		 8272012-01-05 Richard Guenther <rguenther@suse.de>
828
829 PR tree-optimization/51760
830 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
831 not VARYING.
832 (bit_value_unop): Handle UNDEFINED operands.
833 (bit_value_binop): Likewise.
834
543a341c
GJL		 8352012-01-05 Georg-Johann Lay <avr@gjlay.de>
836
837 * config/avr/avr.c (avr_replace_prefix): Remove.
838 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
839 (avr_asm_function_rodata_section): Ditto.
840 (avr_asm_select_section): Ditto.
841
6bfd2688
MS		 8422012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
843
844 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
845 insertion.
846
cbd65133
JJ		 8472012-01-05 Jakub Jelinek <jakub@redhat.com>
848
bfeb0869
JJ		 849 PR bootstrap/51648
850 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
851 calls that have any non-fake successor edges.
852
cbd65133
JJ		 853 PR debug/51746
854 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
855
8594273a
EB		 8562012-01-04 Eric Botcazou <ebotcazou@adacore.com>
857
858 PR tree-optimization/51624
859 * tree-sra.c (build_ref_for_model): When replicating a chain of
860 COMPONENT_REFs, stop as soon as the offset would become negative.
861
5dc28f42
JJ		 8622012-01-04 Jakub Jelinek <jakub@redhat.com>
863
864 PR debug/51695
865 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
866 in .debug_loc on the floor.
867
03a9ba1e
AP		 8682012-01-04 Andrew Pinski <apinski@cavium.com>
869
870 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
871
770da00a
AP		 8722012-01-04 Andrew Pinski <apinski@cavium.com>
873 Adam Nemet <anemet@caviumnetworks.com>
874
875 * config/mips/mips.md (size): Add SI and DI.
876 (SIZE): New mode attribute.
877 (U): New code attribute.
878 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
879 (mips_lbux_<mode>): Delete.
880 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
881 (mips_lhx): Use gen_mips_lhx_extsi.
882 (mips_lhx_<mode>): Delete.
883 (mips_lwx): Delete.
884 (mips_l<size>x): New expand.
885 (mips_lwx_<mode>): Delete.
886 (mips_l<GPR:size>x_<P:mode>): New pattern.
887 (*mips_lw<u>x_<P:mode>_ext): Likewise.
888 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
889 * config/mips/mips.c (mips_lx_address_p): New function.
890 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
891 (dsp64): New availability predicate.
892 (mips_builtins): Add an entry for __builtin_mips_ldx.
893 * config/mips/mips.h (ISA_HAS_LBX): New define.
894 (ISA_HAS_LBUX): Likewise.
895 (ISA_HAS_LHX): Likewise.
896 (ISA_HAS_LHUX): Likewise.
897 (ISA_HAS_LWX): Likewise.
898 (ISA_HAS_LWUX): Likewise.
899 (ISA_HAS_LDX): Likewise.
900 * doc/extend.texi (__builtin_mips_ldx): Document.
901
e2b30a44
TG		 9022012-01-04 Tristan Gingold <gingold@adacore.com>
903
904 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
905 when long pointers are used.
906 * config.build (*-*-*vms*): Handle all OpenVMS targets.
907 (alpha64-dec-*vms*, alpha*-dec-*vms*)
908 (ia64-hp-*vms*): Remove.
909 * config/vms/xm-vms64.h: Delete.
910
713b8dfb
AH		 9112012-01-04 Aldy Hernandez <aldyh@redhat.com>
912
913 PR middle-end/51472
914 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
915
7ba65723
AH		 9162012-01-04 Aldy Hernandez <aldyh@redhat.com>
917
b6aa8c33 918 * opts.c (finish_options): Remove duplicate sorry.
7ba65723 919
3a54c456
AH		 9202012-01-04 Aldy Hernandez <aldyh@redhat.com>
921
922 PR middle-end/51696
923 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
924 correctly.
925
f5a3d840
RG		 9262012-01-04 Richard Guenther <rguenther@suse.de>
927
928 PR middle-end/51750
929 * tree.c (size_low_cst): New function.
930 * tree.h (size_low_cst): Declare.
931 * fold-const.c (fold_comparison): Use it to extract the low
932 part of the POINTER_PLUS_EXPR offset.
933
299c4b5f
GJL		 9342012-01-04 Georg-Johann Lay <avr@gjlay.de>
935
936 Fix clearing ZERO_REG
937 * config/avr/avr.md (cc): Add alternative "ldi".
938 (movqi_insn): Use it in cc attribute.
939 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
940 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
941 (output_reload_insisf): Use ZERO_REG to pre-clear register.
942
925b0ed8
AK		 9432012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
944
945 * configure: Regenerate.
946
b4cf8c9d
RG		 9472012-01-04 Richard Guenther <rguenther@suse.de>
948
949 PR tree-optimization/49651
950 * tree-ssa-structalias.c (type_can_have_subvars): New function.
951 (var_can_have_subvars): Use it.
2d130b31 952 (get_constraint_for_1): Only consider subfields if there can be any.
b4cf8c9d 953
c067f6cf
JJ		 9542012-01-03 Jakub Jelinek <jakub@redhat.com>
955
e30afafb 956 PR bootstrap/51725
2d130b31
UB		 957 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
958 to its new canonical_cselib_val and the cselib_val was in
959 first_containing_mem chain, but the canonical_cselib_val was not,
960 add the latter into the chain.
e30afafb
JJ		 961 (cselib_invalidate_mem): Compare canonical_cselib_val of
962 addr_list chain elt with v.
963
c067f6cf
JJ		 964 PR pch/51722
965 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
966 dwarf2out_undef): Allocate e.info using ggc_strdup instead
967 of xstrdup.
968 (output_macinfo_op): Don't ggc_strdup fd->filename.
969 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
970 then ggc_strdup it. Don't free inc->info or cur->info.
971 (output_macinfo): Don't free ref->info or file->info.
972
5d2eb24b
IR		 9732012-01-03 Ira Rosen <irar@il.ibm.com>
974
975 PR tree-optimization/51269
976 * tree-vect-loop-manip.c (set_prologue_iterations): Make
977 first_niters a pointer.
978 (slpeel_tree_peel_loop_to_edge): Likewise.
979 (vect_do_peeling_for_loop_bound): Update call to
980 slpeel_tree_peel_loop_to_edge.
981 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
982 here. Remove it from the parameters list.
983 (vect_do_peeling_for_alignment): Update calls and compute
984 wide_prolog_niters.
985
c3e85659
RG		 9862012-01-03 Richard Guenther <rguenther@suse.de>
987
988 PR tree-optimization/51070
989 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
990 Properly handle calls.
991
f1749ec1
RG		 9922012-01-03 Richard Guenther <rguenther@suse.de>
993
994 PR tree-optimization/51692
995 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
996 the LHS of allocation stmts.
997
75291c57
OH		 9982012-01-03 Olivier Hainque <hainque@adacore.com>
999
1000 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1001
6588d711
OH		 10022012-01-03 Olivier Hainque <hainque@adacore.com>
1003
1004 * collect2.c (main): In AIX specific computations for vector
1005 insertions, use CONST_CAST2 to cast from char ** to const char **.
1006
f3321fd7
RG		 10072012-01-03 Richard Guenther <rguenther@suse.de>
1008
1009 PR debug/51650
1010 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1011 the context of a limbo DIE when it does not already exist.
1012
a9730200
JJ		 10132012-01-03 Jakub Jelinek <jakub@redhat.com>
1014
1015 PR tree-optimization/51719
1016 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1017 but direct call is, clear direct call's lhs and don't add fallthrough
1018 edge from dcall_bb to join_bb and PHIs.
1019
be5de7a1
AK		 10202012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1021
1022 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1023 the instructions emitted by the pattern.
1024 ("*TDC_insn_<mode>"): Add comment.
1025
8b3c2951
RG		 10262012-01-03 Richard Guenther <rguenther@suse.de>
1027
1028 PR middle-end/51730
1029 * fold-const.c (fold_comparison): Properly canonicalize
1030 tree offset and HOST_WIDE_INT bit position.
1031
96fda42c
UB		 10322012-01-02 Uros Bizjak <ubizjak@gmail.com>
1033
1034 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1035 operands for extzv pattern.
1036
a4f436ff
JJ		 10372012-01-02 Jakub Jelinek <jakub@redhat.com>
1038
1039 PR bootstrap/51725
1040 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1041 on mem_elt first.
1042
842322d3
SL		 10432012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1044
1045 * doc/invoke.texi (-flto and related options): Copy-edit.
1046
21e8e84d
RS		 10472012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1048
96fda42c 1049 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
21e8e84d 1050
06046046
JJ		 10512012-01-02 Jakub Jelinek <jakub@redhat.com>
1052
1053 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1054 New patterns.
1055
0d8f5d62
RS		 10562012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1057
1058 * expr.h (move_by_pieces_ninsns): Declare.
1059 * expr.c (move_by_pieces_ninsns): Make external.
1060 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1061 (mips_store_by_pieces_p): Likewise.
1062 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1063 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1064 * config/mips/mips.c (mips_move_by_pieces_p): New function.
1065 (mips_store_by_pieces_p): Likewise.
1066
9f929ce6
JJ		 10672012-01-02 Jakub Jelinek <jakub@redhat.com>
1068
1069 * passes.c (register_one_dump_file): Free full_name.
1070
96fda42c 1071 * reload1.c (reload): Don't allocate reg_max_ref_width here.
9f929ce6
JJ		 1072 (calculate_elim_costs_all_insns): Free offsets_at and
1073 offsets_known_at at the end and clear the pointers.
1074
ce23293b
GJL		 10752012-01-02 Georg-Johann Lay <avr@gjlay.de>
1076
1077 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1078 this option introduced in r180739.
1079
884f56d1
GJL		 10802012-01-02 Georg-Johann Lay <avr@gjlay.de>
1081
1082 PR target/51345
1083 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1084 (tmake_file target=avr): Add avr/t-multilib.
1085
1086 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1087 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1088 * config/avr/genmultilib.awk: New file.
1089 * config/avr/t-multilib: New auto-generated file.
1090 * config/avr/multilib.h: New auto-generated file.
1091 * config/avr/t-avr (AVR_MCUS): New variable.
1092 (genopt.sh): Use it.
1093 (s-mlib): Depend on t-multilib.
1094 (t-multilib, multilib.h): New dependencies.
1095 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1096 (MULTILIB_OPTIONS): Remove.
1097 (MULTILIB_MATCHES): Remove.
1098 (MULTILIB_DIRNAMES): Remove.
1099 (MULTILIB_EXCEPTIONS): Remove:
1100 * config/avr/genopt.sh: Don't use hard coded file name;
1101 pass AVR_MCUS from t-avr instead.
1102
9ecd3a64
GJL		 11032012-01-02 Georg-Johann Lay <avr@gjlay.de>
1104
1105 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1106
8c57e547
GJL		 11072012-01-02 Georg-Johann Lay <avr@gjlay.de>
1108
1109 Implement light-weight DImode support.
1110 * config/avr/avr-dimode.md: New file.
1111 * config/avr/avr.md: Include it.
1112 (adjust_len): Add plus64, compare64.
1113 (HIDI): Remove code iterator.
1114 (code_stdname): New code attribute.
1115 (rotx, rotsmode): Remove DI.
1116 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1117 as code iterator.
1118 * config/avr/avr-protos.h (avr_have_dimode): New.
1119 (avr_out_plus64, avr_out_compare64): New.
1120 * config/avr/avr.c (avr_out_compare): Handle DImode.
1121 (avr_have_dimode): New variable definition and initialization.
1122 (avr_out_compare64, avr_out_plus64): New functions.
1123 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1124 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1125 (avr_compare_pattern): Skip DImode comparisons.
1126
8b61e863
RE		 11272012-01-02 Revital Eres <revital.eres@linaro.org>
1128
1129 * ddg.c (def_has_ccmode_p): New function.
1130 (add_cross_iteration_register_deps,
1131 create_ddg_dep_from_intra_loop_link): Call it.
1132
ba768e18
RG		 11332012-01-02 Richard Guenther <rguenther@suse.de>
1134
1135 PR other/51679
1136 * invoke.texi (fassociative-math): Remove spurious paranthesis.
1137
66f1b195
JJ		 11382012-01-01 Jakub Jelinek <jakub@redhat.com>
1139
1140 * gcc.c (process_command): Update copyright notice dates.
1141 * gcov.c (print_version): Likewise.
1142 * gcov-dump.c (print_version): Likewise.
1143 * mips-tfile.c (main): Likewise.
1144 * mips-tdump.c (main): Likewise.
1145
f2c74cc4
IR		 11462012-01-01 Ira Rosen <irar@il.ibm.com>
1147
1148 PR tree-optimization/51704
1149 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
96fda42c 1150 a use is inside the basic block or loop before accessing its vect info.
f2c74cc4 1151
06f1716b
JH		 11522012-01-01 Jan Hubicka <jhjh@suse.cz>
1153
1154 PR rtl-optimization/51069
1155 * cfgloopmanip.c (remove_path): Removing path making irreducible
1156 region unconditional makes BB part of the region.
1157
45a5b21a
JJ		 11582012-01-01 Jakub Jelinek <jakub@redhat.com>
1159
1160 PR tree-optimization/51683
1161 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1162 calls with side-effects.
1163 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
ad41bd84 1164\f
a7f45047 1165Copyright (C) 2012 Free Software Foundation, Inc.
ad41bd84
JM		 1166
1167Copying and distribution of this file, with or without modification,
1168are permitted in any medium without royalty provided the copyright
1169notice and this notice are preserved.
GNU Compiler Collection
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