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1 2011-12-14  Richard Henderson  <rth@redhat.com>
2
3         * config/arm/arm.md (*addsi3_compare0_scratch): Set predicable.
4         (*compare_negsi_si, *compare_addsi2_op0): Likewise.
5         (*compare_addsi2_op1, *zeroextractsi_compare0_scratch): Likewise.
6         (*compareqi_eq0, *arm_cmpsi_insn, *arm_cmpsi_negshiftsi_si): Likewise.
7
8 2011-12-14  Richard Guenther  <rguenther@suse.de>
9
10         * tree-cfg.c (replace_uses_by): Fixup TREE_CONSTANT for
11         propagating all kinds of constants.
12
13 2011-12-14  Richard Guenther  <rguenther@suse.de>
14
15         PR lto/51497
16         * lto-streamer-in.c (lto_read_body): Fixup local types
17         TYPE_CANONICAL and variant chain.
18
19 2011-12-14  Richard Guenther  <rguenther@suse.de>
20
21         * tree.c (free_lang_data_in_type): Do not clear fields
22         dependent on debuginfo level setting.
23         (find_decls_types_r): Use TYPE_STUB_DECL rathern than TREE_CHAIN.
24         * tree.h (TYPE_STUB_DECL): Properly check that we access a type.
25
26 2011-12-14  Georg-Johann Lay  <avr@gjlay.de>
27
28         PR target/50931
29         * config/avr/avr.md (mulpsi3): New expander.
30         (*umulqihipsi3, *umulhiqipsi3): New insns.
31         (*mulsqipsi3.libgcc, *mulpsi3.libgcc): New insns.
32         (mulsqipsi3, *mulpsi3): New insn-and-splits.
33         (ashlpsi3): Turn to expander.  Move insn code to...
34         (*ashlpsi3): ...this new insn.
35
36 2011-12-14  Richard Guenther  <rguenther@suse.de>
37
38         * tree-cfg.c (replace_uses_by): Only mark blocks altered
39         that will make a difference.  Only recompute ADDR_EXPR
40         invariantness if it could possibly have changed.  Do so
41         before folding the statement.
42
43 2011-12-13  Eric Botcazou  <ebotcazou@adacore.com>
44
45         * lto-streamer-out.c (write_symbol): Use proper 64-bit host type.
46         * lto-cgraph.c (input_cgraph_opt_section): Use 'int' for offsets.
47         * lto-streamer-in.c (lto_read_body): Likewise.
48         (lto_input_toplevel_asms): Likewise.
49         * lto-section-in.c (lto_create_simple_input_block): Likewise.
50         * ipa-inline-analysis.c (inline_read_section): Likewise.
51         * ipa-prop.c (ipa_prop_read_section): Likewise.
52
53         * df.h (DF_NOTE): Fix typo in comment.
54
55 2011-12-13  Aldy Hernandez  <aldyh@redhat.com>
56
57         * trans-mem.c (ipa_tm_create_version_alias): Set DECL_CONTEXT and
58         DECL_LANG_SPECIFIC.
59
60 2011-12-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
61
62         * regmove.c (fixup_match_2): Only access call_used_regs with hard regs.
63
64 2011-12-13  Andrew Pinski  <apinski@cavium.com>
65             Adam Nemet  <anemet@caviumnetworks.com>
66
67         * config/mips/mips-cpus.def: Add Octeon2.
68         * config/mips/mips-tables.opt: Regenerate.
69         * config/mips/mips.md (define_attr "cpu"): Add Octeon2.
70         * config/mips/driver-native.c (host_detect_local_cpu): Support Octeon2.
71         * config/mips/octeon.md (octeon_arith): Add Octeon2.
72         (octeon_condmove): Likewise.
73         (octeon_load): Rename to ..
74         (octeon_load_o1): this.
75         (octeon_load_o2): New reserve.
76         (octeon_cop_o2): New reserve.
77         (octeon_store):  Match Octeon2 also.
78         (octeon_brj): Rename to ..
79         (octeon_brj_o1): this.
80         (octeon_brj_o2): New reserve.
81         (octeon_imul3): Rename to ...
82         (octeon_imul3_o1): this.
83         (octeon_imul3_o2): New reserve.
84         (octeon_imul): Rename to ...
85         (octeon_imul_o1): this.
86         (octeon_imul_o2): New reserve.
87         (octeon_mfhilo): Rename to ...
88         (octeon_mfhilo_o1): This.
89         (octeon_mfhilo_o2): New reserve.
90         (octeon_imadd): Rename to ...
91         (octeon_imadd_o1): this.
92         (octeon_imadd_o2): New reserve.
93         (octeon_idiv): Rename to ..
94         (octeon_idiv_o1): This.
95         (octeon_idiv_o2_si): New reserve.
96         (octeon_idiv_o2_di): Likewise.
97         (octeon_unknown): Match Octeon2 also.
98         * config/mips/mips.c (mips_rtx_cost_data): Add Octeon2 cost data.
99         (mips_issue_rate): Octeon2 can issue 2 at a time.
100         * config/mips/mips.h (TARGET_OCTEON): Match Octeon2 also.
101         (TARGET_OCTEON2): New define.
102         (TUNE_OCTEON): Match Octeon2 also.
103
104 2011-12-13  Richard Henderson  <rth@redhat.com>
105
106         * config/sparc/tso.h: New file.
107         * config.gcc (sparc-*-linux*, sparc*-*-solaris2*): Use it.
108         * config/sparc/sparc.c (sparc_option_override): Honor
109         SUBTARGET_DEFAULT_MEMORY_MODEL.
110         * config/sparc/sparc.h (SUBTARGET_DEFAULT_MEMORY_MODEL): New.
111
112 2011-12-13  Aldy Hernandez  <aldyh@redhat.com>
113
114         PR middle-end/51443
115         * trans-mem.c (struct diagnose_tm): Remove saw_unsafe.
116         (diagnose_tm_1): Same.
117         (ipa_tm_execute): Do not test tm_may_enter_irr before we set it.
118         (ipa_tm_scan_irr_function): Return gracefully when no
119         DECL_STRUCT_FUNCTION.
120         (ipa_tm_scan_irr_block): Believe the user on TM attributes.
121
122 2011-12-13  Martin Jambor  <mjambor@suse.cz>
123
124         PR middle-end/50628
125         * tree-sra.c (propagate_subaccesses_across_link): Do not propagate
126         sub-accesses of scalar accesses.
127
128 2011-12-13  Martin Jambor  <mjambor@suse.cz>
129
130         PR tree-optimization/51362
131         * ipa-cp.c (estimate_local_effects): When estimated size of a
132         specialized clone is zero, bump it to one.
133
134 2011-12-13  Richard Guenther  <rguenther@suse.de>
135
136         PR lto/48354
137         * tree.c (find_decls_types_r): Also walk DECL_ORIGINAL_TYPE.
138         * tree-streamer-in.c (lto_input_ts_decl_non_common_tree_pointers):
139         Stream DECL_ORIGINAL_TYPE.
140         * tree-streamer-out.c (write_ts_decl_non_common_tree_pointers):
141         Likewise.
142
143 2011-12-13  Jakub Jelinek  <jakub@redhat.com>
144
145         Revert
146         2011-12-12  Jakub Jelinek  <jakub@redhat.com>
147
148         PR tree-optimization/51481
149         * gimple-fold.c (gimple_fold_call): Call
150         maybe_clean_or_replace_eh_stmt.  Avoid optimization if stmt has EH
151         edges, but gimple_fold_builtin result can't throw.
152
153 2011-12-13  Jakub Jelinek  <jakub@redhat.com>
154             Michael Matz  <matz@suse.de>
155
156         PR tree-optimization/51117
157         * tree-eh.c (sink_clobbers): New function.
158         (execute_lower_eh_dispatch): Call it for BBs ending with
159         internally throwing RESX.
160         * cfgexpand.c (add_scope_conflicts_1): Add all conflicts only
161         at the first real instruction.
162
163 2011-12-13  Tristan Gingold  <gingold@adacore.com>
164
165         * final.c (final_scan_insn): Guard the call to begin_epilogue
166         debug hook.
167
168 2011-12-13  Tristan Gingold  <gingold@adacore.com>
169
170         * vmsdbgout.c (vmsdbgout_write_source_line): New function.
171         (vmsdbgout_end_prologue): Call vmsdbgout_write_source_line.
172         (vmsdbgout_begin_epilogue): Likewise.
173         (vmsdbgout_end_epilogue): Likewise.
174         (vmsdbgout_source_line): Move code to vmsdbgout_write_source_line.
175
176 2011-12-13  Richard Guenther  <rguenther@suse.de>
177
178         PR middle-end/51481
179         * tree-cfg.c (replace_uses_by): Pass proper arguments to
180         maybe_clean_or_replace_eh_stmt.
181
182 2011-12-13  Richard Guenther  <rguenther@suse.de>
183
184         PR tree-optimization/51519
185         * ipa-inline.c (edge_badness): Use edge growth in non-guessed
186         branch probability case as well.
187
188 2011-12-13  Revital Eres  <revital.eres@linaro.org>
189
190         * modulo-sched.c (mark_loop_unsched): Free bbs.
191
192 2011-12-12  Jakub Jelinek  <jakub@redhat.com>
193
194         PR rtl-optimization/51495
195         * function.c (thread_prologue_and_epilogue_insns): Don't add
196         to bb_tail basic blocks that have EDGE_COMPLEX predecessor edges
197         from basic blocks not needing prologue.
198
199         PR tree-optimization/51481
200         * gimple-fold.c (gimple_fold_call): Call
201         maybe_clean_or_replace_eh_stmt.  Avoid optimization if stmt has EH
202         edges, but gimple_fold_builtin result can't throw.
203
204 2011-12-12  Vladimir Makarov  <vmakarov@redhat.com>
205
206         PR rtl-optimization/21617
207         * ira-color.c (bucket_allocno_compare_func): Don't compare
208         allocno classes.  Compare number of hard registers needed.
209
210 2011-12-12  Eric Botcazou  <ebotcazou@adacore.com>
211
212         PR tree-optimization/50569
213         * tree-sra.c (build_ref_for_model): Replicate a chain of COMPONENT_REFs
214         in the expression of MODEL instead of just the last one.
215
216 2011-12-12  Jakub Jelinek  <jakub@redhat.com>
217
218         PR middle-end/51510
219         * calls.c (internal_arg_pointer_based_exp_scan): Don't use
220         VEC_safe_grow_cleared if idx is smaller than VEC_length.
221
222 2011-12-12  Richard Sandiford  <richard.sandiford@linaro.org>
223
224         PR middle-end/50873
225         * optabs.c (maybe_legitimize_operand_same_code): Use copy_to_mode_reg
226         instead of force_reg.  Do nothing if the address is already a
227         non-virtual pseudo register.
228
229 2011-12-12  Torvald Riegel  <triegel@redhat.com>
230
231         * gimplify.c (voidify_wrapper_expr): Add default handling for
232         outermost wrapper.
233
234 2011-12-12  Torvald Riegel  <triegel@redhat.com>
235
236         * tree-ssa-tail-merge.c (gimple_equal_p): Don't treat transaction
237         commits as equal.
238
239 2011-12-12  Iain Sandoe  <iains@gcc.gnu.org>
240
241         * config/darwin-sections.def (zobj_const_data_section): Fix over-
242         length section name.
243
244 2011-12-11  Richard Henderson  <rth@redhat.com>
245
246         * config/rs6000/rs6000.c (rs6000_expand_interleave): Use
247         BYTES_BIG_ENDIAN, not TARGET_BIG_ENDIAN.
248
249 2011-12-11  Jakub Jelinek  <jakub@redhat.com>
250
251         PR tree-optimization/51485
252         * tree-vect-data-refs.c (vect_analyze_data_refs): Give up on
253         DRs in call stmts.
254
255 2011-12-11  Patrick Marlier  <patrick.marlier@gmail.com>
256
257         * trans-mem.c (ipa_tm_transform_calls_redirect): Do not remove edge.
258
259 2011-12-10  Richard Henderson  <rth@redhat.com>
260
261         * config/rs6000/altivec.md (altivec_vmrghb): Rewrite pattern as
262         vec_select + vec_concat.
263         (altivec_vmrghh, altivec_vmrghw, altivec_vmrghsf, altivec_vmrglb,
264         altivec_vmrglh, altivec_vmrglw, altivec_vmrglsf): Likewise.
265         (vec_perm_constv16qi): New.
266         (vec_extract_evenv4si, vec_extract_evenv4sf, vpkuhum_nomode,
267         vpkuwum_nomode, vec_extract_oddv8hi, vec_extract_oddv16qi,
268         vec_interleave_high<VI>, vec_interleave_low<VI>): Remove.
269         * config/rs6000/paired.md (paired_merge00): Rewrite pattern as
270         vec_select + vec_concat.
271         (paired_merge10, paired_merge01, paired_merge11): Likewise.
272         (vec_perm_constv2sf): New.
273         (vec_interleave_highv2sf, vec_interleave_lowv2sf,
274         vec_extract_evenv2sf, vec_extract_oddv2sf): Remove.
275         * config/rs6000/spe.md (spe_evmergehi): Rewrite pattern as
276         vec_select + vec_concat.
277         (spe_evmergehilo, spe_evmergelo, spe_evmergelohi): New.
278         (vec_perm_constv2si): New.
279         * config/rs6000/vector.md (vec_interleave_highv4sf,
280         vec_interleave_lowv4sf, vec_interleave_high<VEC_64>,
281         vec_interleave_low<VEC_64>): Remove.
282         * config/rs6000/vsx.md (VS_double): New mode attribute.
283         (UNSPEC_VSX_XXPERMDI): Remove.
284         (vsx_xxpermdi_<VSX_L>_1): Rewrite pattern as vec_select + vec_concat.
285         (vsx_xxmrghw_<VSX_W>, vsx_xxmrglw_<VSX_W>): Likewise.
286         (vsx_xxpermdi_<VSX_L>): Change to expander.
287         (vec_perm_const<VSX_D>): New.
288         (vsx_mergel_<VSX_D>, vsx_mergeh_<VSX_D>): New.
289         * config/rs6000/predicates.md (const_0_to_1_operand): New.
290         (const_2_to_3_operand): New.
291         * config/rs6000/rs6000.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): New.
292         (altivec_expand_vec_perm_const): New.
293         (rs6000_expand_vec_perm_const_1, rs6000_expand_vec_perm_const): New.
294         (rs6000_vectorize_vec_perm_const_ok): New.
295         (rs6000_do_expand_vec_perm): New.
296         (rs6000_expand_extract_even, rs6000_expand_interleave): New.
297         * config/rs6000/rs6000-builtin.def (VEC_MERGE*): Update rtx codes.
298         * config/rs6000/rs6000-modes.def: Add double-wide vector modes.
299         * config/rs6000/rs6000-protos.h: Update.
300
301 2011-12-10  Richard Henderson  <rth@redhat.com>
302
303         * expr.c (expand_expr_real_2) [VEC_PERM_EXPR]: Avoid passing a
304         CONST_INT to expand_vec_perm as the selector.
305         * optabs.c (expand_vec_perm): Assert the selector is of a proper mode.
306
307 2011-12-10  Richard Henderson  <rth@redhat.com>
308
309         * genmodes.c (struct mode_data): Remove wider_2x member.
310         (blank_mode): Adjust initializer.
311         (calc_wider_mode): Use XALLOCAVEC.
312         (emit_move_wider): Select double-width same-element vectors for
313         2xwider vectors.
314         * machmode.h (GET_MODE_2XWIDER_MODE): Update documentation.
315         * config/i386/i386.c (doublesize_vector_mode): Remove.
316         (expand_vselect_vconcat): Use GET_MODE_2XWIDER_MODE instead.
317
318 2011-12-10  Joern Rennecke  <joern.rennecke@embecosm.com>
319
320         * config/epiphany/epiphany.h (USE_LOAD_POST_INCREMENT): Define.
321         (USE_LOAD_POST_DECREMENT, USE_STORE_POST_INCREMENT): Likewise.
322         (USE_STORE_POST_DECREMENT): Likewise.
323
324         * config/epiphany/epiphany.h (EPIPHANY_RETURN_REGNO): New macro,
325         broken out of ..
326         (INCOMING_RETURN_ADDR_RTX) .. this.  Use EPIPHANY_RETURN_REGNO.
327         (DWARF_FRAME_RETURN_COLUMN): New macro.
328
329         * config/epiphany/epiphany-protos.h (epiphany_start_function): Declare.
330         * config/epiphany/epiphany.c (epiphany_handle_interrupt_attribute):
331         Split "timer" value into "timer0" and "timer1".
332         Handle page_miss, message and wand.  Don't handle static_flag.
333         Adjust warning text.
334         (epiphany_start_function): New function.
335         (epiphany_compute_function_type): Split "timer" value into "timer0"
336         and "timer1".  Handle page_miss, message and wand.
337         Don't handle static_flag.
338         (epiphany_expand_epilogue): Don't use frame_insn for status / iret
339         restore.
340         * config/epiphany/epiphany.h: ASM_DECLARE_FUNCTION_NAME: Define.
341         (enum epiphany_function_type):
342         Split EPIPHANY_FUNCTION_TIMER value into EPIPHANY_FUNCTION_TIMER0
343         and EPIPHANY_FUNCTION_TIMER1.
344         Remove EPIPHANY_FUNCTION_ILINK1 and EPIPHANY_FUNCTION_ILINK2 values.
345         Add EPIPHANY_FUNCTION_PAGE_MISS and EPIPHANY_FUNCTION_MESSAGE values.
346         Rename EPIPHANY_FUNCTION_STATIC_FLAG to EPIPHANY_FUNCTION_WAND.
347
348 2011-12-10  Nathan Sidwell  <nathan@acm.org>
349
350         PR gcov-profile/51449
351         * coverage.c (coverage_end_function): Always process the coverage
352         variables.
353
354 2011-12-09  Aldy Hernandez  <aldyh@redhat.com>
355
356         PR/51291
357         * tree.c (build_common_builtin_nodes): Do not use TM_PURE
358         attribute unless language has support for TM.
359         * config/i386/i386.c (ix86_init_tm_builtins): Exit gracefully in
360         the absence of TM builtins.
361
362 2011-12-09  Eric Botcazou  <ebotcazou@adacore.com>
363
364         * gimple-fold.c (gimple_fold_stmt_to_constant_1) <GIMPLE_UNARY_RHS>:
365         Also check the TYPE_MODE to recognize useless pointer conversions.
366
367 2011-12-09  Jakub Jelinek  <jakub@redhat.com>
368
369         PR tree-optimization/51117
370         * tree-eh.c (optimize_clobbers): Don't remove just one
371         clobber, but all consecutive clobbers before RESX.
372         Use gimple_clobber_p predicate.
373
374 2011-12-09  Michael Meissner  <meissner@the-meissners.org>
375
376         * config/rs6000/rs6000.c (altivec_expand_builtin): Call
377         expand_call to return a valid funciton instead of return
378         cosnt0_rtx/NULL_RTX if there was an error with the builtin.
379         (altivec_expand_ld_builtin): Ditto.
380         (rs6000_inner_target_options): If VSX is selected as a target
381         attribute or pragma, enable ALTIVEC also.
382         (rs6000_pragma_target_parse): Call rs6000_option_override_internal
383         to do all of the standard processing when switching options,
384         including redefining appropriate macros.
385
386         PR rtl-optimization/51469
387         * varasm.c (default_binds_local_p_1): If the symbol is a gnu
388         indirect function, mark the symbol as non-local.
389
390 2011-12-09  H.J. Lu  <hongjiu.lu@intel.com>
391
392         PR bootstrap/51479
393         * Makefile.in (errors.o): Restored.
394
395 2011-12-09  Richard Guenther  <rguenther@suse.de>
396
397         PR lto/48042
398         * tree.c (free_lang_data_in_decl): Remove freeing conditional
399         on debuginfo level.
400
401 2011-12-09  Joern Rennecke  <joern.rennecke@embecosm.com>
402
403         PR middle-end/40154
404         * emit-rtl.c (set_dst_reg_note): New function.
405         * rtl.h (set_dst_reg_note): Declare.
406         * optabs.c (expand_binop, expand_absneg_bit): Use set_dst_reg_note.
407         (emit_libcall_block, expand_fix): Likewise.
408         * function.c (assign_parm_setup_reg, expand_function_start): Likewise.
409         * expmed.c (expand_mult_const, expand_divmod): Likewise.
410         * reload1.c (gen_reload): Likewise.
411
412         * dse.c (get_stored_val, get_call_args): Use gen_int_mode.
413         * expmed.c (expand_divmod): Likewise.
414         * combine.c (simplify_if_then_else): Likewise.
415
416 2011-12-09  Kai Tietz  <ktietz@redhat.com>
417
418         * ira-color.c (print_hard_regs_subforest): Use
419         HOST_WIDEST_INT_PRINT_DEC instead of %lld.
420         (allocno_hard_regs): Change type of cost member to HOST_WIDEST_INT.
421         (add_allocno_hard_regs): Change type of argument cost
422         to HOST_WIDEST_INT.
423         * ira-conflict.c (build_conflict_bit_table): Replace use
424         of long-long by HOST_WIDEST_INT.
425
426 2011-12-09  Georg-Johann Lay  <avr@gjlay.de>
427
428         PR target/51425
429         * config/avr/avr.md (config/avr/avr.md, *sbix_branch_tmp): Use
430         zero_extract:QIHI instead of zero_extract:HI.
431
432 2011-12-09  Jakub Jelinek  <jakub@redhat.com>
433             Andrew Pinski  <apinski@cavium.com>
434
435         PR tree-optimization/51117
436         * tree-eh.c (optimize_clobbers): New function.
437         (execute_lower_eh_dispatch): Call it.
438
439 2011-12-09  Richard Guenther  <rguenther@suse.de>
440
441         PR tree-optimization/51482
442         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
443         Make sure to only create REAL_TYPE and INTEGER_TYPE component vectors.
444
445 2011-12-09  Kai Tietz  <ktietz@redhat.com>
446
447         * implicit-zee.c (num_realized): Change type to long.
448         (num_ze_opportunities): Likewise.
449
450 2011-12-08  Andrew Pinski  <apinski@cavium.com>
451
452         * config/mips/mips-cpus.def (octeon+): New CPU.
453         * config/mips/mips-tables.opt: Regenerate.
454         * config/mips/mips.h (MIPS_CPP_SET_PROCESSOR): Emit '+' as 'P'.
455
456 2011-12-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
457
458         PR middle-end/39976
459         * tree-ssa-dom.c (enum expr_kind): Add EXPR_PHI.
460         (struct hashable_expr): Add struct phi field.
461         (initialize_hash_element): Handle phis; change to use XCNEWVEC.
462         (hashable_expr_equal_p): Handle phis.
463         (iterative_hash_hashable_expr): Likewise.
464         (print_expr_hash_elt): Likewise.
465         (free_expr_hash_elt): Likewise.
466         (dom_opt_enter_block): Create equivalences from redundant phis.
467         (eliminate_redundant_computations): Handle redundant phis.
468         (lookup_avail_expr): Handle phis.
469
470 2011-12-08  Jakub Jelinek  <jakub@redhat.com>
471
472         PR tree-optimization/51466
473         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also copy
474         TREE_SIDE_EFFECTS.
475
476 2011-12-08  Richard Guenther  <rguenther@suse.de>
477
478         * tree-ssa-operands.c (add_stmt_operand): Do not mark stmts
479         volatile when processing operands of an ADDR_EXPR.
480         (get_indirect_ref_operands): Likewise.
481         (get_tmr_operands): Likewise.
482         (get_expr_operands): Likewise.
483
484 2011-12-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
485
486         PR target/50395
487         * config/s390/s390.c (s390_mainpool_finish): Emit the jump over
488         the literal pool as jump insn.
489
490 2011-12-08  Richard Guenther  <rguenther@suse.de>
491
492         PR tree-optimization/49772
493         * tree-inline.c (optimize_inline_calls): Remove bail out on errors.
494
495 2011-12-08  Richard Guenther  <rguenther@suse.de>
496
497         PR lto/50747
498         * lto-streamer-out.c (produce_symtab): Remove asserts.
499
500 2011-12-08  Richard Guenther  <rguenther@suse.de>
501
502         PR lto/49945
503         * lto-streamer-out.c (tree_is_indexable): Localize variably
504         modified types and their FIELD_DECLs.
505
506 2011-12-08  Eric Botcazou  <ebotcazou@adacore.com>
507
508         PR tree-optimization/51315
509         * tree.h (get_object_or_type_alignment): Declare.
510         * expr.c (get_object_or_type_alignment): Move to...
511         * builtins.c (get_object_or_type_alignment): ...here.  Add assertion.
512         * tree-sra.c (tree_non_mode_aligned_mem_p): Rename to...
513         (tree_non_aligned_mem_p): ...this.  Add ALIGN parameter.  Look into
514         MEM_REFs and use get_object_or_type_alignment for them.
515         (build_accesses_from_assign): Adjust for above change.
516         (access_precludes_ipa_sra_p): Likewise.
517
518 2011-12-08  Richard Guenther  <rguenther@suse.de>
519
520         PR lto/48437
521         * lto-streamer-out.c (tree_is_indexable): Exclude block-local
522         extern declarations.
523
524 2011-12-07  Andrew Pinski  <apinski@cavium.com>
525
526         PR middle-end/45416
527         * expr.c (do_store_flag): Rewrite code that looks for BIT_AND_EXPR for
528         SSA-expand.
529
530 2011-12-07  Richard Guenther  <rguenther@suse.de>
531
532         PR tree-optimization/50823
533         * ipa-inline.c (edge_badness): Do not account for the number of
534         remaining calls.
535
536 2011-12-07  Martin Jambor  <mjambor@suse.cz>
537
538         PR tree-optimization/50744
539         * ipa-cp.c (good_cloning_opportunity_p): Assert size_cost is positive,
540         compute evaluation in HOST_WIDEST_INT.
541         (safe_add): New function
542         (propagate_effects): Use safe_add to accumulate effects.
543
544 2011-12-06  Joel Sherrill <joel.sherrill@oarcorp.com>
545
546         * config/rs6000/rtems.h: Switch to using global_options_set
547         in SUBSUBTARGET_OVERRIDE_OPTIONS.
548
549 2011-12-06  David S. Miller  <davem@davemloft.net>
550
551         * config/sparc/visintrin.h: Add appropriate __VIS__ cpp protection.
552
553 2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
554
555         * config/avr/avr.c (avr_file_start): Fix missing ,
556
557 2011-12-06  Jakub Jelinek  <jakub@redhat.com>
558
559         PR target/51354
560         * config/i386/i386.c (ix86_emit_leave): Call ix86_add_cfa_restore_note
561         unconditionally.
562
563 2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
564
565         Forward-port from gcc-4_6-branch r181936 2011-12-02.
566         * config/avr/avr-mcus.def (avr_mcu_types): ATtiny4313 and
567         AT86RF401 have a 16-bit SP (their manual is bogus).
568
569 2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
570
571         Forward-port from gcc-4_6-branch r181936 2011-12-02.
572
573         PR target/51002
574         * config/avr/avr.md (movhi_sp_r): Set insn condition to
575         !AVR_HAVE_8BIT_SP.
576         * config/avr/avr.c (output_movhi): Use "clr%B0" instead of "in
577         %B0,__SP_H__" if AVR_HAVE_8BIT_SP.
578         (avr_file_start): Only print "__SP_H__ = 0x3e" if !AVR_HAVE_8BIT_SP.
579
580 2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
581
582         PR target/51409
583         PR target/49868
584         * config/avr/avr.h (ADDR_SPACE_PGM, ADDR_SPACE_PGM1,
585         ADDR_SPACE_PGM2, ADDR_SPACE_PGM3, ADDR_SPACE_PGM4,
586         ADDR_SPACE_PGM5, ADDR_SPACE_PGMX): Write as enum.
587         (avr_addrspace_t): New typedef.
588         (avr_addrspace): New declaration.
589         * config/avr/avr-c.c (avr_toupper): New static function.
590         (avr_register_target_pragmas, avr_cpu_cpp_builtins): Use
591         avr_addrspace to get address space information.
592         * config/avr/avr.c (avr_addrspace): New variable.
593         (avr_out_lpm, avr_pgm_check_var_decl, avr_insert_attributes,
594         avr_asm_named_section, avr_section_type_flags,
595         avr_asm_select_section, avr_addr_space_address_mode,
596         avr_addr_space_convert, avr_emit_movmemhi): Use it.
597         (avr_addr_space_pointer_mode): Forward to avr_addr_space_address_mode.
598         (avr_pgm_segment): Remove.
599
600 2011-12-06  Richard Guenther  <rguenther@suse.de>
601
602         PR middle-end/50601
603         * varasm.c (assemble_alias): Move DECL_EXTERNAL implementation
604         quirk adjustjment ...
605         * passes.c (rest_of_decl_compilation): ... here.
606
607 2011-12-06  Richard Guenther  <rguenther@suse.de>
608
609         PR middle-end/51436
610         * gimple-fold.c (gimplify_and_update_call_from_tree): Guard vdef check
611         for the fact we do not have virtual operands when not optimizing.
612
613 2011-12-06  Richard Guenther  <rguenther@suse.de>
614
615         PR tree-optimization/51245
616         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
617         New function.
618         (vn_reference_lookup_3): Use it.  Properly valueize all refs we create.
619
620 2011-12-06  Iain Sandoe  <iains@gcc.gnu.org>
621
622         * config/rs6000/rs6000.c (darwin_rs6000_override_options): Initialize
623         rs6000_current_abi.
624
625 2011-12-06  Richard Guenther  <rguenther@suse.de>
626
627         PR tree-optimization/51363
628         * gimple.c (gimple_rhs_has_side_effects): Remove.
629         * gimple.h (gimple_rhs_has_side_effects): Likewise.
630         * tree-ssa-dom.c (optimize_stmt): Simplify conditional.
631
632 2011-12-06  Alan Modra  <amodra@gmail.com>
633
634         PR target/50906
635         * config/rs6000/rs6000.c (rs6000_emit_prologue <TARGET_SPE_ABI>):
636         Do not mark r11 setup as frame-related.  Pass correct offset to
637         rs6000_emit_savres_rtx.  Correct out-of-line rs6000_frame_related
638         arguments.  Correct sp_offset.  Remove "offset" fudge from
639         in-line rs6000_frame_related call.  Rename misleading variable.
640         Fix comments and whitespace.  Tidy some expressions.
641         (rs6000_emit_epilogue <TARGET_SPE_ABI>): Always set frame_reg_rtx
642         to r11 in out-of-line case.  Correct sp_offset.  Pass correct
643         offset to rs6000_emit_savres_rtx.  Rename misleading variable.
644         Fix comments and whitespace.  Tidy some expressions.
645         (rs6000_emit_epilogue <non-TARGET_SPE_ABI>): Add sp_offset
646         adjustment when !saving_GPRs_inline.  Correct register mode
647         used in address calcs.
648         (rs6000_emit_epilogue <non-TARGET_SPE_ABI>): Similarly when
649         !restoring_GPRs_inline.
650
651 2011-12-06  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
652
653         * config/arm/vfp.md (*combine_vcvt_f64_<FCVTI32typename>): Fix
654         formatting character for vmov.f64 case.
655
656 2011-12-05  Jakub Jelinek  <jakub@redhat.com>
657
658         PR tree-optimization/51396
659         * tree-ssa-math-opts.c (convert_mult_to_fma): Don't optimize
660         if MUL_RESULT has zero uses.
661
662         PR debug/51410
663         * c-decl.c (pop_scope): Don't add DECL_EXTERNAL decls
664         for debug info if scope is file_scope.
665
666         PR c/51339
667         * c-decl.c (c_finish_incomplete_decl, finish_decl): Call
668         relayout_decl instead of layout_decl.
669
670 2011-12-05  Richard Sandiford  <rdsandiford@googlemail.com>
671
672         * resource.c (init_resource_info): Only consider EXIT_IGNORE_STACK
673         if there is in epilogue.
674
675 2011-12-05  Richard Sandiford  <rdsandiford@googlemail.com>
676
677         * optabs.c (maybe_emit_sync_lock_test_and_set): Pass a null target
678         to emit_library_call_value.
679         (expand_atomic_compare_and_swap): Likewise.
680
681 2011-12-05  Vladimir Makarov  <vmakarov@redhat.com>
682
683         PR other/50775
684         * ira-int.h (struct ira_object): Remove add_data.
685         (OBJECT_ADD_DATA): Remove.
686
687         * ira-build.c (ira_create_object): Remove OBJECT_ADD_DATA
688         initialization.
689
690         * ira-color.c (object_hard_regs_t, object_hard_regs): Rename to
691         allocno_hard_regs_t, allocno_hard_regs.
692         (object_hard_regs_node_t, object_hard_regs_node): Rename to
693         allocno_hard_regs_node_t and allocno_hard_regs_node.
694         (struct allocno_color_data): Add new member last_process.  Move
695         profitable_hard_regs, hard_regs_node, and hard_regs_subnodes_start
696         from object_color_data.
697         (object_color_data_t, object_color_data, OBJECT_COLOR_DATA): Remove.
698         (curr_allocno_process): New static variable.
699         (object_hard_regs_eq, object_hard_regs_htab): Rename to
700         allocno_hard_regs_eq and allocno_hard_regs_htab.
701         (init_object_hard_regs, finish_object_hard_regs): Rename to
702         init_allocno_hard_regs and finish_allocno_hard_regs.
703         (object_hard_regs_compare, object_hard_regs_node_t): Rename to
704         allocno_hard_regs_compare and allocno_hard_regs_node_t.
705         (create_new_object_hard_regs_node): Rename to
706         create_new_allocno_hard_regs_node.
707         (add_new_object_hard_regs_node_to_forest): Rename to
708         add_new_allocno_hard_regs_node_to_forest.
709         (add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
710         Rename to add_allocno_hard_regs_to_forest and
711         collect_allocno_hard_regs_cover.
712         (setup_object_hard_regs_nodes_parent): Rename to
713         setup_allocno_hard_regs_nodes_parent.
714         (remove_unused_object_hard_regs_nodes): Rename to
715         remove_unused_allocno_hard_regs_nodes.
716         (enumerate_object_hard_regs_nodes, object_hard_regs_nodes_num):
717         Rename to enumerate_allocno_hard_regs_nodes and
718         allocno_hard_regs_nodes_num.
719         (object_hard_regs_nodes, object_hard_regs_subnode_t): Rename to
720         allocno_hard_regs_nodes and allocno_hard_regs_subnode_t.
721         (object_hard_regs_subnode, object_hard_regs_subnodes): Rename to
722         allocno_hard_regs_subnode and allocno_hard_regs_subnodes.
723         (object_hard_regs_subnode_index): Rename to
724         allocno_hard_regs_subnode_index.
725         (setup_object_hard_regs_subnode_index): Rename to
726         setup_allocno_hard_regs_subnode_index.
727         (get_object_hard_regs_subnodes_num): Rename to
728         get_allocno_hard_regs_subnodes_num.
729         (form_object_hard_regs_nodes_forest): Rename to
730         form_allocno_hard_regs_nodes_forest.
731         (finish_object_hard_regs_nodes_tree): Rename to
732         form_allocno_hard_regs_nodes_forest
733         (finish_object_hard_regs_nodes_forest): Rename to
734         finish_allocno_hard_regs_nodes_forest.
735         (setup_left_conflict_sizes_p): Use allocno data instead of object ones.
736         Process conflict allocnos once.
737         (update_left_conflict_sizes_p): Use allocno data instead of object
738         ones.  Change prototype signature.
739         (empty_profitable_hard_regs): Use allocno data instead of object ones.
740         (setup_profitable_hard_regs): Ditto.
741         (get_conflict_profitable_regs): Rename to
742         get_conflict_and_start_profitable_regs.  Use allocno data for
743         profitable regs calculation.
744         (check_hard_reg_p): Change prototype signature.  Check profitable
745         regs for allocno not the objects.
746         (assign_hard_reg): Process conflict allocnos only once for
747         updating conflict costs.
748         (setup_allocno_available_regs_num): Use allocno data instead of
749         object ones.  Modify debug output.
750         (color_pass): Remove initialization and finalization of object
751         color data.
752
753 2011-12-05  Kazu Hirata  <kazu@codesourcery.com>
754
755         PR target/51408
756         * config/arm/arm.md (*minmax_arithsi): Always require the else
757         clause in the MINUS case.
758
759 2011-12-05  Richard Guenther  <rguenther@suse.de>
760
761         PR tree-optimization/50904
762         * tree-ssa-loop-im.c (struct mem_ref): Remove vops member.
763         (MEM_ANALYZABLE): New.
764         (memory_references): Remove clobbered_vops and vop_ref_map
765         members, add all_refs_stored_in_loop member.
766         (memref_free): Adjust.
767         (mem_ref_alloc): Likewise.
768         (gather_mem_refs_stmt): Do not record clobbers, instead
769         record refs for unanalyzable stmts.
770         (gather_mem_refs_in_loops): Do not propagate clobbers.
771         (struct vop_to_refs_elt, vtoe_hash, vtoe_eq, vtoe_free,
772         record_vop_access, get_vop_accesses, get_vop_stores,
773         add_vop_ref_mapping): Remove.
774         (create_vop_ref_mapping_loop): Adjust to simply record all stores.
775         (analyze_memory_references): Adjust.
776         (refs_independent_p): Check for not analyzable refs.
777         (can_sm_ref_p): Likewise.
778         (ref_indep_loop_p_1): Simplify.
779         (tree_ssa_lim_finalize): Adjust.
780
781         * tree-ssa-loop-im.c (stmt_cost): Simplify, use LIM_EXPENSIVE
782         rather than magic constants.  Assign zero cost to PAREN_EXPR
783         and SSA_NAME copies.  Assign cost proportional to the vector
784         size for vector constructors.
785
786 2011-12-05  Richard Guenther  <rguenther@suse.de>
787
788         * tree-ssa-alias.h (struct ao_ref_s): Add volatile_p field.
789         * tree-ssa-alias.c (ao_ref_init): Initialize it.
790         (ao_ref_init_from_ptr_and_size): Likewise.
791         (refs_may_alias_p_1): Two volatile accesses conflict.
792         (ref_maybe_used_by_call_p_1): Likewise.
793         (call_may_clobber_ref_p_1): Likewise.
794         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Initialize
795         volatile_p field.
796
797 2011-12-05  Richard Guenther  <rguenther@suse.de>
798
799         * tree-ssa.c (verify_ssa): Verify SSA names in the loop over all SSA
800         names.  Remove SSA operand checking, call verify_ssa_operands.
801         * tree-ssa-operands.h (verify_ssa_operands): Declare.
802         * tree-ssa-operands.c (verify_ssa_operands): New function.
803
804 2011-12-05  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
805
806         * config/arm/arm.c (vfp3_const_double_for_fract_bits): Define.
807         * config/arm/arm-protos.h (vfp3_const_double_for_fract_bits): Declare.
808         * config/arm/constraints.md ("Dt"): New constraint.
809         * config/arm/predicates.md
810         (const_double_vcvt_power_of_two_reciprocal): New.
811         * config/arm/vfp.md (FCVTI32typename): New.
812         (FCVT): New iterator.
813         (*combine_vcvt_f32_<FCVTI32typename>): New.
814         (*combine_vcvt_f64_<FCVTI32typename>): New.
815
816 2011-12-05  Richard Guenther  <rguenther@suse.de>
817
818         * cgraph.c (cgraph_create_edge_1): Initialize
819         call_stmt_cannot_inline_p from the stmt if possible.
820         (cgraph_make_edge_direct): Likewise.
821         * gimple-streamer-in.c (input_gimple_stmt): Do not
822         call gimple_call_set_cannot_inline.
823         * gimple.h (enum gf_mask): Remove GF_CALL_CANNOT_INLINE, shift values.
824         (gimple_call_set_cannot_inline): Remove.
825         (gimple_call_cannot_inline_p): Likewise.
826         * ipa-inline-analysis.c (initialize_inline_failed): Look
827         at the edge call_stmt_cannot_inline_p flag.
828         * ipa-inline.c (can_inline_edge_p): Likewise.
829         (early_inliner): Only update the edge flag.
830         * ipa-prop.c (update_indirect_edges_after_inlining): Likewise.
831         (ipa_modify_call_arguments): Do not call gimple_call_set_cannot_inline.
832         * cgraphunit.c (assemble_thunk): Likewise.
833         * gimple-fold.c (gimple_fold_call): Likewise.
834
835         * tree.h (CALL_CANNOT_INLINE_P): Remove.
836         * tree-mudflap.c (mf_xform_statements): Do not modify alloca calls.
837         * builtins.c (expand_builtin_alloca): With -fmudflap do not expand
838         alloca calls inline.
839         * cfgexpand.c (expand_call_stmt): Do not set CALL_CANNOT_INLINE_P.
840         * gimple.c (gimple_build_call_from_tree): Do not read
841         CALL_CANNOT_INLINE_P.
842         * gimplify.c (gimplify_call_expr): Do not copy CALL_CANNOT_INLINE_P.
843
844 2011-12-05  Jakub Jelinek  <jakub@redhat.com>
845             Eric Botcazou  <ebotcazou@adacore.com>
846
847         PR middle-end/51323
848         PR middle-end/50074
849         * calls.c (internal_arg_pointer_exp_state): New variable.
850         (internal_arg_pointer_based_exp_1,
851         internal_arg_pointer_exp_scan): New functions.
852         (internal_arg_pointer_based_exp): New function.
853         (mem_overlaps_already_clobbered_arg_p): Use it.
854         (expand_call): Free internal_arg_pointer_exp_state.cache vector
855         and clear internal_arg_pointer_exp_state.scan_start.
856
857 2011-12-04  Kaz Kojima  <kkojima@gcc.gnu.org>
858
859         * config/sh/linux.h (TARGET_DEFAULT): Add MASK_SOFT_ATOMIC.
860         * config/sh/sync.md: New file.
861         * config/sh/sh.md: Include sync.md.
862         * config/sh/sh.opt (msoft-atomic): New option.
863         * doc/invoke.texi (SH Options): Document it.
864
865 2011-12-04  Nathan Sidwell  <nathan@acm.org>
866
867         * gcov-io.h (struct gcov_info): Replace trailing array with
868         pointer to array.
869         * profile.c (branch_prob): Only call renamed
870         coverage_begin_function once.
871         * coverage.h (coverage_begin_output): Rename to ...
872         (coverage_begin_function): ... here.
873         * coverage.c (struct function_list): Rename to ...
874         (struct coverage_data): ... this.  Update all uses.
875         (gcov_info_var, gcov_fn_info_type, gcov_fn_info_ptr_type): New globals.
876         (bbg_file_opened, bbg_function_announced): Remove.
877         (get_coverage_counts): Adjust message.
878         (coverage_begin_ouput): Rename to ...
879         (coverage_begin_function): ... here.  Move file opening to
880         coverage_init.  Adjust for being called only once.
881         (coverage_end_function): Remove bbg file and inhibit further
882         output here on error.
883         (build_info_type): Adjust for change to pointer to array.
884         (build_info): Receive array of function pointers and adjust.
885         (create_coverage): Break into ...
886         (coverage_obj_init, coverage_obj_fn, coverage_obj_finish):
887         ... these, and adjust.
888         (coverage_init): Open the notes file here.  Tidy.
889         (coverage_finish): Call coverage_obj_init etc.
890
891 2011-12-04  Ira Rosen  <ira.rosen@linaro.org>
892
893         PR middle-end/51285
894         * tree-vect-loop.c (vect_create_epilog_for_reduction): Create exit
895         phi nodes for outer loop in case of double reduction.
896
897 2011-12-04  Jérémie Detrey  <Jeremie.Detrey@loria.fr>
898
899         PR target/51393
900         * config/i386/avxintrin.h (_mm256_insert_epi64): Declare second
901         parameter as long long.
902
903 2011-12-04  Richard Sandiford  <rdsandiford@googlemail.com>
904
905         PR middle-end/51351
906         * optabs.c (init_sync_libfuncs): Use "or" rather than "ior"
907         in the external names.
908
909 2011-12-03  Jack Howarth <howarth@bromo.med.uc.edu>
910
911         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Pass -no_pie for
912         non-PIC code when targeting 10.7 or later.
913
914 2011-12-03  Iain Sandoe  <iains@gcc.gnu.org>
915
916         * config/darwin.h (STARTFILE_SPEC): Do not use -lbundle1.o when
917         Darwin >= 10.
918         (DARWIN_DYLIB1_SPEC): Do not use -ldylib1.10.5.o when Darwin >= 10.
919         (DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10.
920
921 2011-12-03  Jakub Jelinek  <jakub@redhat.com>
922
923         * fold-const.c (fold_unary_loc): Fold VEC_UNPACK_LO_EXPR,
924         VEC_UNPACK_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
925         VEC_UNPACK_FLOAT_HI_EXPR with VECTOR_CST argument.
926         (fold_binary_loc): Fold VEC_PACK_TRUNC_EXPR,
927         VEC_PACK_FIX_TRUNC_EXPR, VEC_WIDEN_MULT_LO_EXPR
928         and VEC_WIDEN_MULT_HI_EXPR with VECTOR_CST arguments.
929
930         PR debug/50317
931         * tree-ssa.c (target_for_debug_bind): Also allow is_gimple_reg_type
932         vars that aren't referenced.
933         (tree-ssa-live.c (remove_unused_locals): Don't clear TREE_ADDRESSABLE
934         of unreferenced local vars.
935         * cfgexpand.c (expand_debug_expr): For DEBUG_IMPLICIT_PTR allow also
936         TREE_ADDRESSABLE vars that satisfy target_for_debug_bind.
937
938 2011-12-03  Anatoly Sokolov  <aesok@post.ru>
939
940         * config/arm/arm.h (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove.
941         * config/arm/arm-protos.h (aapcs_libcall_value): Remove.
942         * config/arm/arm.c (TARGET_FUNCTION_VALUE_REGNO_P): Define.
943         (arm_libcall_value_1, arm_function_value_regno_p): New function.
944         (arm_function_value, arm_libcall_value): Use arm_libcall_value_1.
945         (aapcs_libcall_value): Make static.
946         (arm_libcall_value): Add static qualifier.
947
948 2011-12-02  Jakub Jelinek  <jakub@redhat.com>
949
950         PR target/51387
951         * config/i386/sse.md (mul<mode>3 with VI1_AVX2 iterator): For
952         V32QImode use { 0,2,..,14,32,34,..,46,16,18,..,30,48,50,..,62 }
953         permutation instead of extract even permutation.
954
955 2011-12-02  Nathan Sidwell  <nathan@acm.org>
956
957         * gcov.c (struct arc_info): Add is_throw field.
958         (struct (block_info): Add exceptional field, reduce flags size to
959         account for it.
960         (struct function_info): Add has_catch field.
961         (struct line_info): Add unexceptional field.
962         (process_file): Call find_exception_blocks if necessary.
963         (read_graph_file): Adjust.  Note if an exceptional edge is seen.
964         (find_exception_blocks): New.
965         (add_line_counts): Set line's unexceptional flag if not exceptional.
966         (output_branch_count): Note exceptional arcs, lines and blocks.
967         * gcov-dump.c (tag_arcs): Decode arc flags.
968         * doc/gcov.texi: Document '=====' lines.
969
970 2011-12-02  Anatoly Sokolov  <aesok@post.ru>
971
972         * config/ia64/ia64.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS,
973         PRINT_OPERAND_PUNCT_VALID_P): Remove macros.
974         * config/ia64/ia64-protos.h (ia64_print_operand,
975         ia64_print_operand_address): Remove.
976         * config/ia64/ia64.c (TARGET_PRINT_OPERAND,
977         TARGET_PRINT_OPERAND_ADDRESS, TARGET_PRINT_OPERAND_PUNCT_VALID_P):
978         Define.
979         (ia64_print_operand_punct_valid_p): New function.
980         (ia64_print_operand, ia64_print_operand_address): Make static.
981
982 2011-12-02  Michael Meissner  <meissner@the-meissners.org>
983
984         PR target/51390
985         * config/rs6000/rs6000.c (def_builtin): Use the correct field to
986         figure out the function's attributes.
987         (struct builtin_description): Mark mask field as const since we no
988         longer need to modify it for SPE and PAIRED builtins.
989
990 2011-12-02  Joseph Myers  <joseph@codesourcery.com>
991
992         Revert:
993
994         2008-09-18  Andrew Pinski  <andrew_pinski@playstation.sony.com>
995
996         PR rtl-opt/37451
997         * loop-doloop.c (doloop_modify): New argument zero_extend_p and
998         zero extend count after the correction to it is done.
999         (doloop_optimize): Update call to doloop_modify, don't zero extend
1000         count before call.
1001
1002         2008-11-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
1003
1004         PR rtl-opt/37782
1005         * loop-doloop.c (doloop_modify): Add from_mode argument that says what
1006         mode count is in.
1007         (doloop_optimize): Update call to doloop_modify.
1008
1009 2011-12-02  Richard Guenther  <rguenther@suse.de>
1010
1011         PR lto/47259
1012         * ipa.c (varpool_externally_visible_p): Register variables
1013         are always externally visible.
1014
1015 2011-12-02  Sameera Deshpande  <sameera.deshpande@arm.com>
1016
1017         * gimple-pretty-print.c (dump_gimple_call): Dereference fn only if
1018           non-NULL.
1019
1020 2011-12-02  Martin Jambor  <mjambor@suse.cz>
1021
1022         PR tree-optimization/50622
1023         * tree-sra.c (load_assign_lhs_subreplacements): Force gimple operand
1024         if both lacc and racc are grp_partial_lhs.
1025
1026 2011-12-01  Kaz Kojima  <kkojima@gcc.gnu.org>
1027
1028         PR target/50814.
1029         * config/sh/sh.c (expand_ashiftrt): Handle TARGET_SH2A same as
1030         TARGET_SH3.
1031         (shl_sext_kind): Likewise.
1032         * config/sh/sh.h (SH_DYNAMIC_SHIFT_COST): Likewise.
1033         * config/sh/sh.md (ashlsi3_sh2a, ashrsi3_sh2a, lshrsi3_sh2a): Remove.
1034         (ashlsi3_std): Handle TARGET_SH2A same as TARGET_SH3.
1035         (ashlsi3): Likewise.
1036         (ashrsi3_d): Likewise.
1037         (lshrsi3_d): Likewise.
1038         (lshrsi3): Likewise.
1039
1040 2011-12-01  Diego Novillo  <dnovillo@google.com>
1041
1042         PR bootstrap/51346
1043         * ipa-inline.c (can_inline_edge_p): If the edge E has a statement,
1044         use the statement's inline indicator instead of E's.
1045         Remove consistency check.
1046
1047 2011-12-01  Diego Novillo  <dnovillo@google.com>
1048
1049         PR bootstrap/51346
1050         Revert
1051
1052         2011-11-29  Diego Novillo  <dnovillo@google.com>
1053
1054         * gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.
1055         Update field call_stmt_cannot_inline_p from call
1056         graph edge, if needed.
1057         * gimple.h (gimple_call_set_cannot_inline): Move to gimple.c.
1058
1059 2011-12-01  Nathan Sidwell  <nathan@acm.org>
1060
1061         PR gcov-profile/51113
1062         * coverage.c (build_var): Keep coverage variables static.
1063
1064 2011-12-01  Jakub Jelinek  <jakub@redhat.com>
1065
1066         PR tree-optimization/51356
1067         * tree-vect-patterns.c (vect_recog_bool_pattern): Give up if
1068         vectype doesn't have VECTOR_MODE_P.
1069
1070         PR debug/50317
1071         * tree-ssa-dce.c (remove_dead_stmt): Add a debug stmt when removing
1072         as unnecessary a store to a variable with gimple reg type.
1073         * tree-ssa-live.c (remove_unused_locals): Clear TREE_ADDRESSABLE bit
1074         on local unreferenced variables.
1075         * cfgexpand.c (expand_gimple_basic_block): Don't emit DEBUG_INSNs
1076         for !target_for_debug_bind variables.
1077
1078 2011-12-01  Patrick Marlier  <patrick.marlier@gmail.com>
1079
1080         PR middle-end/51273
1081         * cgraph.h (cgraph_call_node_duplication_hooks): Declare.
1082         * cgraph.c (cgraph_call_node_duplication_hooks): Make global.
1083         * cgraphunit.c (cgraph_copy_node_for_versioning): Call it.
1084
1085 2011-12-01  Andrew Pinski  <apinski@cavium.com>
1086
1087         PR lto/51198
1088         * tree.c (free_lang_data_in_decl): Clear FIELD_DECL's
1089         DECL_INITIAL also.
1090
1091 2011-12-01  Jakub Jelinek  <jakub@redhat.com>
1092
1093         PR tree-optimization/51246
1094         * tree-predcom.c (replace_ref_with): Handle also clobber on the rhs.
1095
1096         PR rtl-optimization/51014
1097         * loop-unroll.c (apply_opt_in_copies): Ignore label DEBUG_INSNs
1098         both from bb and orig_bb.
1099
1100 2011-12-01  Joern Rennecke  <joern.rennecke@embecosm.com>
1101
1102         PR tree-optimization/50802
1103         * tree-vrp.c (simplify_conversion_using_ranges): Rewrite test
1104         considering what happens to ranges during sign changes and/or
1105         intermediate narrowing conversions.
1106
1107 2011-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1108
1109         PR middle-end/50283
1110         * config/pa/pa.md (in_branch_delay): Disallow frame related insns.
1111         (in_nullified_branch_delay): Likewise.
1112         (in_call_delay): Likewise.
1113
1114 2011-11-30  Richard Henderson  <rth@redhat.com>
1115
1116         * predict.c (expr_expected_value_1): Assume compare-and-swap builtin
1117         boolean return is true.
1118
1119 2011-11-30  Jakub Jelinek  <jakub@redhat.com>
1120
1121         PR rtl-optimization/51044
1122         * dse.c (emit_inc_dec_insn_before): Ensure new_insn is an instruction
1123         rather than just insn body.
1124
1125         PR target/50725
1126         * function.c (thread_prologue_and_epilogue_insns): If
1127         stack_realign_drap, add drap_reg to SET_UP_BY_PROLOGUE
1128         regset.
1129
1130         PR middle-end/51089
1131         * tree-eh.c (cleanup_empty_eh_merge_phis): Add check to
1132         avoid creating duplicate edges here.
1133         (cleanup_empty_eh_unsplit): And remove it in the caller.
1134
1135 2011-11-30  Andrew Pinski  <apinski@cavium.com>
1136
1137         PR c/51321
1138         * c-parser.c (c_parser_postfix_expression): Check groktypename results
1139         before looking at the main variant.
1140
1141 2011-11-30  Jakub Jelinek  <jakub@redhat.com>
1142
1143         PR rtl-optimization/48721
1144         * sched-deps.c (sched_analyze_insn): For SIBLING_CALL_P set
1145         reg_pending_barrier to TRUE_BARRIER.
1146
1147         PR rtl-optimization/48721
1148         * sched-ebb.c (begin_move_insn): Insert empty unreachable
1149         block after BARRIER if insn is followed by it.
1150
1151 2011-11-30  Richard Henderson  <rth@redhat.com>
1152
1153         * config/sparc/sparc-opts.h (enum sparc_memory_model_type): New.
1154         * config/sparc/sparc.opt (mmemory-model=): New option.
1155         * doc/invoke.texi (Sparc Options): Document it.
1156         * config/sparc/sparc.c (sparc_option_override): Provide default
1157         for sparc_memory_model.
1158         (sparc_emit_membar_for_model): Omit barrier combinations that are
1159         implied by the memory model.
1160
1161 2011-11-30  Richard Henderson  <rth@redhat.com>
1162
1163         * config/sparc/sync.md (I124MODE): New mode iterator.
1164         (memory_barrier): Remove.
1165         (atomic_exchangesi): New.
1166         (swapsi): Rename from *swapsi.
1167         (atomic_test_and_set<I124MODE>): New.
1168         (ldstubqi): Rename from *ldstubqi, merge with expander.
1169         (ldstub<I24MODE>): Rename from *ldstub<I24MODE>, merge with expander.
1170         (sync_lock_test_and_setsi): Remove.
1171         (sync_lock_test_and_set<I12MODE>): Remove.
1172
1173 2011-11-30  Richard Henderson  <rth@redhat.com>
1174
1175         * config/sparc/constraints.md ("w"): New.
1176         * config/sparc/predicates.md (mem_noofs_operand): New.
1177         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Make static.
1178         Generate the boolean result of the atomic_compare_exchange.
1179         (sparc_expand_compare_and_swap): New.
1180         * config/sparc/sync.md (atomic_compare_and_swap<I>): New.
1181         (atomic_compare_and_swap<I48MODE>_1): Rename from
1182         *sync_compare_and_swap<I48MODE>, use mem_noofs_operand.
1183         (*atomic_compare_and_swapdi_v8plus): Rename from
1184         *sync_compare_and_swapdi_v8plus, use mem_noofs_operand.
1185         (sync_compare_and_swap<I12MODE>): Remove.
1186         (sync_compare_and_swap<I48MODE>): Remove.
1187
1188 2011-11-30  Richard Henderson  <rth@redhat.com>
1189
1190         * config/sparc/predicates.md (register_or_v9_zero_operand): New.
1191         * config/sparc/sparc.md (UNSPEC_ATOMIC): New.
1192         * config/sparc/sync.md (atomic_load<I>): New.
1193         (atomic_loaddi_1, atomic_store<I>, atomic_storedi_1): New.
1194
1195 2011-11-30  Richard Henderson  <rth@redhat.com>
1196
1197         * config/sparc/predicates.md (zero_or_v7_operand): New.
1198         * config/sparc/sparc.c (sparc_emit_membar_for_model): New.
1199         * config/sparc/sparc-protos.h: Update.
1200         * config/sparc/sync.md (mem_thread_fence): New.
1201         (memory_barrier): Use sparc_emit_membar_for_model.
1202         (membar, *membar_empty, *membar_storestore, *membar_storeload): New.
1203         (*membar_v8): Accept and ignore the membar mask.
1204         (*membar): Accept and print the membar mask.
1205
1206 2011-11-30  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1207
1208         * config/arm/arm.c (arm_issue_rate): Cortex-A15 can triple issue.
1209         * config/arm/arm.md (mul64): New attribute.
1210         (generic_sched): Cortex-A15 is not scheduled generically.
1211         (cortex-a15.md): Include.
1212         * config/arm/cortex-a15.md: New machine description.
1213         * config/arm/t-arm (MD_INCLUDES): Add cortex-a15.md.
1214
1215 2011-11-30  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
1216
1217         * config/arm/t-arm (MD_INCLUDES): Ensure all md files are listed.
1218
1219 2011-11-30  Iain Sandoe  <iains@gcc.gnu.org>
1220
1221         * doc/tm.texi.in (NEXT_OBJC_RUNTIME): Update macro description.
1222         * doc/tm.texi: Regenerate.
1223         * flags.h (flag_next_runtime): Remove references.
1224         * toplev.c: Likewise.
1225         * defaults.h (NEXT_OBJC_RUNTIME): Provide default.
1226         * gccspec.c (lang_specific_driver): Adjust use of NEXT_OBJC_RUNTIME.
1227         * config/darwin.c (darwin_override_options): Provide default
1228         Objective-C abi settings and target conflict checks.
1229         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Remove unused
1230         code. Adjust indenting.
1231
1232 2011-11-29  Joseph Myers  <joseph@codesourcery.com>
1233
1234         * config/sh/sh.h (enum reg_class, REG_CLASS_NAMES)
1235         (REG_CLASS_CONTENTS): Add NON_SP_REGS.
1236         (REGCLASS_HAS_GENERAL_REG): Handle NON_SP_REGS.
1237         * config/sh/constraints.md (u): New constraint.
1238
1239 2011-11-29  Oleg Endo  <oleg.endo@t-online.de>
1240
1241         PR target/51337
1242         * config/sh/sh.c (sh_secondary_reload): Add case when FPUL
1243         register is being loaded from a pseudo in memory.
1244
1245 2011-11-29  DJ Delorie  <dj@redhat.com>
1246
1247         * config.gcc (rl78-*-elf): New case.
1248         * doc/extend.texi: Add RL78 documentation.
1249         * doc/invoke.texi: Likewise.
1250         * doc/md.texi: Likewise.
1251         * doc/contrib.texi: Add RL78.
1252         * doc/install.texi: Add rl78-*-elf.
1253         * config/rl78: New directory for the Renesas RL78.
1254
1255 2011-11-29  Jakub Jelinek  <jakub@redhat.com>
1256
1257         PR tree-optimization/51247
1258         * tree-vrp.c (extract_range_from_assert): For signed 1-bit precision
1259         types instead of adding 1 subtract -1 and instead of subtracting 1
1260         add -1 to avoid overflows.
1261
1262 2011-11-29  Andrew MacLeod  <amacleod@redhat.com>
1263
1264         PR target/50123
1265         * optabs.c (maybe_optimize_fetch_op): New.  Look for more optimal
1266         instructions for a FECTH_OP or OP_FECTH sequence.
1267         (expand_atomic_fetch_op): Call maybe_optimize_fetch_op.
1268
1269 2011-11-29  Uros Bizjak  <ubizjak@gmail.com>
1270
1271         * config/i386/sync.md (UNSPEC_LDA, UNSPEC_STA): New unspecs.
1272         (movdi_via_fpu): Remove.
1273         (loaddi_via_fpu): New insn pattern.
1274         (storedi_via_fpu): Ditto.
1275         (atomic_loaddi_fpu): Use loaddi_via_fpu and storedi_via_fpu.
1276         (atomic_storedi_fpu): Ditto.
1277         * reg-stack.c (get_true_reg): Handle UNSPEC_LDA.
1278         (subst_stack_regs_pat): Handle UNSPEC_STA.
1279
1280 2011-11-29  Uros Bizjak  <ubizjak@gmail.com>
1281
1282         * config/i386/i386.md (*floathi<mode>2_i387_with_temp): Do not
1283         allocate scratch memory for alternative 0.
1284
1285 2011-11-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
1286
1287         * config/rs6000/rs6000-builtins.def: Completely rewrite builtin
1288         handling to centralize more of the builtins in this file.  Change
1289         some builtin enumerations to be more consistant.  Use a new mask
1290         to hold the current builtins, including SPE and PAIRED builtins
1291         which no longer are set via target_flags masks.  Add
1292         -mdebug=builtin debug support.  For power machines, define all
1293         Altivec and VSX buitins when the compiler starts, but don't allow
1294         the use of a builtin unless the appropriate switch is used, or
1295         #pragma GCC target is used to change the options.  If the user
1296         uses #pragma GCC target, update the appropriate hardware macros.
1297         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Ditto.
1298         * config/rs6000/rs6000.opt (rs6000_builtin_mask): Ditto.
1299         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Ditto.
1300         (rs6000_define_or_undefine_macro): Ditto.
1301         (rs6000_target_modify_macros): Ditto.
1302         (rs6000_cpu_cpp_builtins): Ditto.
1303         (altivec_overloaded_builtins): Ditto.
1304         (altivec_build_resolved_builtin): Ditto.
1305         * config/rs6000/rs6000.c (rs6000_target_modify_macros_ptr): Ditto.
1306         (rs6000_builtin_info): Ditto.
1307         (def_builtin): Ditto.
1308         (enable_mask_for_builtins): Ditto.
1309         (DEBUG_FMT_X): Ditto.
1310         (rs6000_debug_reg_global): Ditto.
1311         (rs6000_builtin_mask_calculate): Ditto.
1312         (rs6000_option_override_internal): Ditto.
1313         (rs6000_builtin_conversion): Ditto.
1314         (rs6000_builtin_vectorized_function): Ditto.
1315         (bdesc_3arg): Ditto.
1316         (bdesc_dst): Ditto.
1317         (bdesc_2arg): Ditto.
1318         (builtin_description_predicates): Ditto.
1319         (bdesc_altivec_preds): Ditto.
1320         (bdesc_spe_predicates): Ditto.
1321         (bdesc_spe_evsel): Ditto.
1322         (bdesc_paired_preds): Ditto.
1323         (bdesc_abs): Ditto.
1324         (bdesc_1arg): Ditto.
1325         (rs6000_overloaded_builtin_p): Ditto.
1326         (rs6000_expand_unop_builtin): Ditto.
1327         (bdesc_2arg_spe): Ditto.
1328         (spe_expand_builtin): Ditto.
1329         (rs6000_invalid_builtin): Ditto.
1330         (rs6000_expand_builtin): Ditto.
1331         (rs6000_init_builtins): Ditto.
1332         (spe_init_builtins): Ditto.
1333         (paired_init_builtins): Ditto.
1334         (altivec_init_builtins): Ditto.
1335         (builtin_function_type): Ditto.
1336         (rs6000_common_init_builtins): Ditto.
1337         (rs6000_builtin_reciprocal): Ditto.
1338         (rs6000_builtin_mask_names): Ditto.
1339         (rs6000_pragma_target_parse): Ditto.
1340         (rs6000_function_specific_print): Ditto.
1341         * config/rs6000/rs6000.h (MASK_DEBUG_BUILTIN): Ditto.
1342         (MASK_DEBUG_ALL): Ditto.
1343         (TARGET_DEBUG_BUILTIN): Ditto.
1344         (TARGET_EXTRA_BUILTINS): Ditto.
1345         (REGISTER_TARGET_PRAGMAS): Ditto.
1346         (enum rs6000_btc): Ditto.
1347         (RS6000_BTC_*): Ditto.
1348         (RS6000_BTM_*): Ditto.
1349         (enum rs6000_builtins): Ditto.
1350         * config/rs6000/rs6000-protos.h (rs6000_overloaded_builtin_p): Ditto.
1351         (rs6000_target_modify_macros): Ditto.
1352         (rs6000_target_modify_macros_ptr): Ditto.
1353
1354         * config/rs6000/vector.md (unsfloat<VEC_int><mode>2): Use the
1355         standard name for converting vector unsigned values to floating
1356         point.  Delete the TARGET_VECTORIZE_BUILTIN_CONVERSION hook, which
1357         is handled by machine independent code.
1358         * config/rs6000/rs6000.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Ditto.
1359         (rs6000_builtin_conversion): Ditto.
1360
1361 2011-11-29  Dodji Seketeli  <dodji@redhat.com>
1362
1363         * tree-diagnostic (struct loc_t): Rename into struct loc_map_pair.
1364         (maybe_unwind_expanded_macro_loc): Adjust.
1365
1366 2011-11-29  David Edelsohn  <dje.gcc@gmail.com>
1367             Aldy Hernandez  <aldyh@redhat.com>
1368
1369         * trans-mem.c (ipa_tm_create_version_alias): Mangle new_decl
1370         if DECL_ONE_ONLY.
1371         (ipa_tm_create_version): Same.
1372
1373 2011-11-29  Bernd Schmidt  <bernds@codesourcery.com>
1374
1375         * haifa-sched.c (recompute_todo_spec): Simplify and correct the
1376         code checking for a clobber of a condition register when deciding
1377         whether to predicate.
1378
1379 2011-11-29  Diego Novillo  <dnovillo@google.com>
1380
1381         * gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.
1382         Update field call_stmt_cannot_inline_p from call graph edge, if needed.
1383         * gimple.h (gimple_call_set_cannot_inline): Move to gimple.c.
1384
1385 2011-11-29  Sameera Deshpande  <sameera.deshpande@arm.com>
1386
1387         * config/arm/arm.md (arm_movdi): Update NEG_POOL_RANGE.
1388         (movdf_soft_insn): Likewise.
1389         * config/arm/fpa.md (thumb2_movdf_fpa): Likewise.
1390         * config/arm/neon.md (neon_mov<mode>): Likewise.
1391         * config/arm/vfp.md (movdi_vfp): Likewise.
1392         (movdi_vfp_cortexa8): Likewise.
1393         (movdf_vfp): Likewise.
1394
1395 2011-11-29  Jakub Jelinek  <jakub@redhat.com>
1396
1397         PR middle-end/50074
1398         * expr.c (expand_expr_addr_expr_1): Don't call force_operand for
1399         EXPAND_SUM modifier.
1400
1401 2011-11-29  Ira Rosen  <ira.rosen@linaro.org>
1402
1403         PR tree-optimization/51301
1404         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check that
1405         the last statement doesn't convert to a bigger type than the original
1406         type of the computation.
1407
1408 2011-11-28  Richard Henderson  <rth@redhat.com>
1409
1410         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
1411         Handle overlap between retval and oldval.  Always compute boolval
1412         from CR0 EQ value.
1413
1414 2011-11-28  Jakub Jelinek  <jakub@redhat.com>
1415
1416         PR debug/50317
1417         * tree-ssa.c (execute_update_addresses_taken): Remove
1418         var ={v} {CLOBBER} stmts instead of rewriting them into
1419         var_N ={v} {CLOBBER}.
1420
1421         PR middle-end/50907
1422         * function.c (convert_jumps_to_returns): When redirecting an edge
1423         succ to EXIT_BLOCK_PTR, clear EDGE_CROSSING flag.
1424
1425         PR tree-optimization/50078
1426         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Copy over
1427         TREE_THIS_VOLATILE also from the old to new lhs resp. rhs.
1428
1429         PR tree-optimization/50682
1430         * tree-eh.c (maybe_remove_unreachable_handlers): New function.
1431         * tree-flow.h (maybe_remove_unreachable_handlers): New prototype.
1432         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call it.
1433
1434 2011-11-28  Georg-Johann Lay  <avr@gjlay.de>
1435
1436         * doc/extend.texi (AVR Built-in Functions): Add documentation for
1437         __builtin_avr_map8 and __builtin_avr_map16.
1438
1439         * config/avr/avr.md: Document new %t and %T asm output codes.
1440         (define_c_enum "unspec"): Add UNSPEC_MAP_BITS.
1441         (adjust_len): Add map_bits.
1442         (map_bitsqi, map_bitshi): New insns.
1443         * config/avr/avr-protos.h (avr_out_map_bits): New.
1444         * config/avr/avr-protos.c (print_operand): Implement %t and %T.
1445         (adjust_insn_length): Handle ADJUST_LEN_MAP_BITS.
1446         (avr_double_int_push_digit): New function.
1447         (avr_map, avr_revert_map, avr_swap_map, avr_id_map): New functions.
1448         (avr_sig_map, avr_map_hamming_byte): New functions.
1449         (avr_out_swap_bits, avr_out_revert_bits, avr_move_bits,
1450         avr_out_map_bits): New functions.
1451         (enum avr_builtin_id): Add AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1452         (avr_init_builtins): Populate __builtin_avr_map8, __builtin_avr_map16.
1453         (bdesc_2arg): Add __builtin_avr_map8, __builtin_avr_map16 ...
1454         (avr_expand_builtin): ...and expand them.
1455         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1456         __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1457
1458 2011-11-27  Richard Sandiford  <rdsandiford@googlemail.com>
1459
1460         PR target/51278
1461         * config/mips/mips.c (mips_rtx_costs): Handle baddu.
1462
1463 2011-11-27  Richard Sandiford  <rdsandiford@googlemail.com>
1464
1465         * config/mips/mips.c (mips16_unextended_reference_p): Test for BLKmode.
1466
1467 2011-11-27  Richard Sandiford  <rdsandiford@googlemail.com>
1468
1469         * config/mips/mips-protos.h (mips_emit_binary): Declare.
1470         * config/mips/mips.c (mips_emit_binary): Make global.
1471         (mips_set_mips16_mode): Turn off -mfix-r4000 in MIPS16 mode.
1472         (mips_conditional_register_usage): Don't treat LO and HI as
1473         register operands in MIPS16 mode.
1474         (mips_mulsidi3_gen_fn): Use {u,}mulsidi3_{32,64}bit_mips16
1475         for MIPS16 code.
1476         * config/mips/predicates.md (muldiv_target_operand): New predicate.
1477         (move_operand): Allow hilo_operand.
1478         * config/mips/mips.md (mul<mode>3): Explicitly specify LO as the
1479         target of MIPS16 multiplies, then move it into the target register.
1480         (mul<mode>3_internal, *macc2, *msac2): Use muldiv_target_operand.
1481         (<u>mulsidi3_32bit_mips16): New expander.
1482         (<u>mulsidi3_32bit): Use muldiv_target_operand.
1483         (<u>mulsidi3_32bit_r4000): Disable for ISA_HAS_DSP.
1484         (<u>mulsidi3_64bit): Require !TARGET_MIPS16.  Split into
1485         <u>mulsidi3_64bit_split.
1486         (<u>mulsidi3_64bit_mips16): New expander.
1487         (<u>mulsidi3_64bit_split): Likewise, using expansions from
1488         two previous define_splits.
1489         (<u>mulsidi3_64bit_hilo, *muls<u>_di, <u>msubsidi4): Use
1490         muldiv_target_operand.
1491         (<su>mulsi3_highpart): Use <su>mulsi3_highpart_split for MIPS16 code.
1492         (<su>mulsi3_highpart_internal): Require !TARGET_MIPS16.
1493         Split into <su>mulsi3_highpart_split.
1494         (<su>mulsi3_highpart_split): New expander.
1495         (<su>muldi3_highpart): Turn into a define_expand.
1496         Use <su>muldi3_highpart_split for MIPS16 code.
1497         (<su>muldi3_highpart_internal): Renamed from <su>muldi3_highpart.
1498         Require !TARGET_MIPS16.  Split into <su>muldi3_highpart_split.
1499         (<su>muldi3_highpart_split): New expander.
1500         (<u>mulditi3): Explicitly specify LO as the target of MIPS16
1501         multiplies, then move it into the target register.
1502         (<u>mulditi3_internal, <u>maddsidi4): Use muldiv_target_operand.
1503         (divmod<mode>4, udivmod<mode>4): Turn into define_expands.
1504         Use <u>divmod<mode>4_split for MIPS16 code, then explicitly
1505         move LO into operand 0.
1506         (divmod<mode>4_internal, udivmod<mode>4_internal): Renamed
1507         from <u>divmod<mode>4.  Use muldiv_target_operand.
1508         Require !TARGET_MIPS16.  Split into <u>divmod<mode>4_split.
1509         (<u>divmod<mode>4_split): New expander.
1510         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): Use muldiv_target_operand.
1511         (mfhi<GPR:mode>_<HILO:mode>): Use hilo_operand.
1512
1513 2011-11-27  Richard Sandiford  <rdsandiford@googlemail.com>
1514
1515         * hard-reg-set.h (target_hard_regs): Add x_accessible_reg_set
1516         and x_operand_reg_set.
1517         (accessible_reg_set, operand_reg_set): New macros.
1518         * reginfo.c (init_reg_sets): Initialize accessible_reg_set and
1519         operand_reg_set.
1520         (saved_accessible_reg_set, saved_operand_reg_set): New variables.
1521         (save_register_info): Save them.
1522         (restore_register_info): Restore them.
1523         (init_reg_sets_1): Limit operand_reg_set to accessible_reg_set.
1524         Remove NO_REGS registers from operand_reg_set.  Treat members
1525         of operand_reg_set as fixed.
1526         * recog.c (general_operand): Check operand_reg_set rather than NO_REGS.
1527         (register_operand, nonmemory_operand): Likewise.
1528         * varasm.c (make_decl_rtl): Always use DECL_MODE as the mode of
1529         register variables.  Check accessible_reg_set and operand_reg_set.
1530         * config/mips/mips.c (mips_conditional_register_usage): Remove
1531         inaccessible register from accessible_reg_set, rather than just
1532         making them fixed.
1533
1534 2011-11-27  Gerald Pfeifer  <gerald@pfeifer.com>
1535
1536         * config/pa/pa-linux.h (TARGET_GAS): Remove comment.
1537
1538 2011-11-26  Richard Henderson  <rth@redhat.com>
1539
1540         * config/arm/arm.c (arm_init_libfuncs): Call init_sync_libfuncs
1541         for Linux.
1542
1543 2011-11-26  Richard Henderson  <rth@redhat.com>
1544
1545         * optabs.c (expand_atomic_fetch_op): Always return result.
1546
1547         * optabs.c (init_sync_libfuncs_1): Include max in iteration.
1548
1549         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1550         BIGGEST_ALIGNMENT is aligned.
1551
1552 2011-11-26  Richard Henderson  <rth@redhat.com>
1553
1554         * config/m68k/m68k.md (UNSPECV_CAS_1, UNSPECV_CAS_2): New.
1555         (UNSPECV_TAS_1, UNSPECV_TAS_2): New.
1556         (I): New mode iterator.
1557         (xz): New mode attribute.
1558         * config/m68k/sync.md: New file.
1559
1560         * config/m68k/linux.h (TARGET_INIT_LIBFUNCS): New.
1561         * config/m68k/m68k.c (m68k_init_sync_libfuncs): New.
1562
1563 2011-11-26  Nathan Sidwell  <nathan@acm.org>
1564
1565         PR gcov-profile/51297
1566         * gcov.c (main): Allocate initial names and sources arrays.
1567         (find_source): Don't check for null name or source arrays here.
1568
1569 2011-11-26  Jakub Jelinek  <jakub@redhat.com>
1570
1571         PR rtl-optimization/49912
1572         * cfgrtl.c (rtl_verify_flow_info_1): Ignore also EDGE_PRESERVE bit
1573         when counting n_branch.
1574
1575 2011-11-26  Uros Bizjak  <ubizjak@gmail.com>
1576
1577         * config/i386/sync.md (movdi_via_fpu): Add %Z insn suffixes.
1578
1579 2011-11-26  Joern Rennecke  <joern.rennecke@embecosm.com>
1580
1581         PR middle-end/50074
1582         * calls.c (mem_overlaps_already_clobbered_arg_p):
1583         Return false if no outgoing arguments have been stored so far.
1584
1585 2011-11-25  Georg-Johann Lay  <avr@gjlay.de>
1586
1587         * config/avr/avr.c (print_operand): Support code = 'i' for CONST_INT.
1588
1589 2011-11-24  Andrew MacLeod  <amacleod@redhat.com>
1590
1591         PR other/51011
1592         * tree.h (is_builtin_name): No longer external.
1593         * builtins.c (is_builtin_name): Make static.
1594         * varasm.c (incorporeal_function_p): __sync and __atomic external calls
1595         are not incorporeal and may need asm label processing.
1596
1597 2011-11-25  Georg-Johann Lay  <avr@gjlay.de>
1598
1599         PR target/50566
1600         * config/avr/avr-protos.h (avr_log_t): Add field .builtin.
1601         * config/avr/avr-log.c (avr_log_set_avr_log): Initialize it.
1602         Don't bypass TARGET_ALL_DEBUG.  Print self-info with ?.
1603         (avr_log_vadump): Support %D and %X to print double_int.
1604         (avr_double_int_pop_digit): New static function.
1605         (avr_dump_double_int_hex): New static function.
1606
1607 2011-11-24  Enkovich Ilya  <ilya.enkovich@intel.com>
1608
1609         PR target/51287
1610         * config/i386/i386.c (distance_non_agu_define_in_bb): Fix insn
1611         attr check.
1612
1613 2011-11-24  Andrew MacLeod  <amacleod@redhat.com>
1614
1615         * optab.c (maybe_emit_atomic_exchange): New.  Try to emit an
1616         atomic_exchange pattern.
1617         (maybe_emit_sync_lock_test_and_set): New.  Try to emit an exchange
1618         using __sync_lock_test_and_set.
1619         (maybe_emit_compare_and_swap_exchange_loop): New. Try to emit an
1620         exchange using a compare_and_swap loop.
1621         (expand_sync_lock_test_and_set): New.  Expand sync_lock_test_and_set.
1622         (expand_atomic_test_and_set): New.  Expand test_and_set operation.
1623         (expand_atomic_exchange): Use new maybe_emit_* functions.
1624         (expand_atomic_store): Use new maybe_emit_* functions.
1625         * builtins.c (expand_builtin_sync_lock_test_and_set): Call
1626         expand_sync_lock_test_and_set routine.
1627         (expand_builtin_atomic_exchange): Remove parameter from call.
1628         (expand_builtin_atomic_clear): Use atomic_clear pattern if present.
1629         (expand_builtin_atomic_test_and_set): Add target and simply call
1630         expand_atomic_test_and_set.
1631         (expand_builtin): Add target to expand_builtin_atomic_test_and_set.
1632         * expr.h (expand_atomic_exchange): Add parameter.
1633         (expand_sync_lock_test_and_set): New prototype.
1634         (expand_atomic_test_and_set, expand_atomic_clear): New prototypes.
1635
1636 2011-11-24  H.J. Lu  <hongjiu.lu@intel.com>
1637
1638         PR target/51134
1639         * config/i386/i386.h (processor_costs): Revert revision 181357.
1640         * config/i386/i386.c (cost models): Likewise.
1641         (core_cost): Likewise.
1642         (promote_duplicated_reg): Likewise.
1643         (promote_duplicated_reg_to_size): Likewise.
1644         (processor_target): Likewise.
1645         (expand_set_or_movmem_via_loop_with_iter): Likewise.
1646         (expand_set_or_movmem_via_loop): Likewise.
1647         (emit_strset): Likewise.
1648         (expand_movmem_epilogue): Likewise.
1649         (expand_setmem_epilogue): Likewise.
1650         (expand_movmem_prologue): Likewise.
1651         (expand_setmem_prologue): Likewise.
1652         (expand_constant_movmem_prologue): Likewise.
1653         (expand_constant_setmem_prologue): Likewise.
1654         (decide_alg): Likewise.
1655         (decide_alignment): Likewise.
1656         (ix86_expand_movmem): Likewise.
1657         (ix86_expand_setmem): Likewise.
1658         (ix86_slow_unaligned_access): Likewise.
1659         * config/i386/i386.md (strset): Likewise.
1660         * config/i386/sse.md (vec_dupv4si): Likewise.
1661         (vec_dupv2di): Likewise.
1662
1663 2011-11-24  Georg-Johann Lay  <avr@gjlay.de>
1664
1665         * config/avr/avr.md (*rotlhi2.15): Set length to 4.
1666
1667 2011-11-24  Razya Ladelsky  <razya@il.ibm.com>
1668
1669         * tree-data-ref.c (initialize_data_dependence_relation): Update
1670         comment for the self dependence case.
1671         (compute_self_dependence): Remove.
1672         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove call to
1673         compute_self_dependenc.
1674
1675 2011-11-24  Alan Modra  <amodra@gmail.com>
1676
1677         * c-decl.c (warn_if_shadowing): Don't warn if shadowed
1678         identifier is from system header.
1679
1680 2011-11-23  Jakub Jelinek  <jakub@redhat.com>
1681
1682         PR target/51261
1683         * config/i386/i386.c (decide_alg): Initialize *dynamic_check
1684         even if !optimize.
1685
1686 2011-11-23  Vladimir Makarov  <vmakarov@redhat.com>
1687
1688         PR rtl-optimization/48455
1689         * doc/invoke.texi (-fira-region): Document default values.
1690
1691         * flags-types.h (enum ira_region): Add new value
1692         IRA_REGION_AUTODETECT.
1693
1694         * common.opt (fira-region): Set up initial value to
1695         IRA_REGION_AUTODETECT.
1696
1697         * toplev.c (process_options): Set up flag_ira_region depending on
1698         -O options.
1699
1700         * ira.c (ira.c): Remove optimize guard for ira_build.
1701
1702 2011-11-23  Chung-Lin Tang  <cltang@codesourcery.com>
1703
1704         PR rtl-optimization/50496
1705         * jump.c (redirect_jump): Assert fail on nlabel == NULL_RTX
1706         only after epilogue is created. Add comments.
1707
1708 2011-11-22  Richard Henderson  <rth@redhat.com>
1709
1710         * config/ia64/ia64.c (ia64_expand_atomic_op): Add model parameter.
1711         Generate the barrier required for the memory model.
1712         (rtx_needs_barrier): Handle UNSPEC_FETCHADD_REL, UNSPEC_CMPXCHG_REL.
1713         * config/ia64/ia64-protos.h: Update.
1714         * config/ia64/ia64.md (UNSPEC_FETCHADD_REL): New.
1715         (UNSPEC_CMPXCHG_REL): New.
1716         * config/ia64/sync.md (mem_thread_fence): New.
1717         (atomic_load<IMODE>, atomic_store<IMODE>): New.
1718         (atomic_compare_and_swap<IMODE>): New.
1719         (cmpxchg_acq_<I124MODE>, cmpxchg_acq_di): New.
1720         (atomic_exchange<IMODE>): New.
1721         (xchg_acq_<IMODE>): Rename from sync_lock_test_and_set<IMODE>.
1722         (atomic_<FETCHOP><IMODE>, atomic_nand<IMODE>): New.
1723         (atomic_fetch_<FETCHOP><IMODE>, atomic_fetch_nand<IMODE>): New.
1724         (atomic_<FETCHOP>_fetch<IMODE>, atomic_nand_fetch<IMODE>): New.
1725         (fetchadd_rel_<I48MODE>): New.
1726         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): Remove.
1727         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): Remove.
1728         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): Remove.
1729         (sync_compare_and_swap<IMODE>): Remove.
1730         (sync_lock_release<IMODE>): Remove.
1731
1732         * config/ia64/ia64.md: Use define_c_enum for UNSPEC_*
1733         and UNSPECV_* constants.
1734
1735 2011-11-22  Tom de Vries  <tom@codesourcery.com>
1736
1737         PR rtl-optimization/50764
1738         * sched-deps.c (sched_analyze_insn): Make sure frame-related insns are
1739         not moved past preceding jump.
1740
1741 2011-11-22  Jeff Law  <law@redhat.com>
1742
1743         * doc/contrib.texi: Add entry for David Binderman.
1744
1745 2011-11-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1746
1747         * postreload.c (reload_combine): Mark reg_state as invalid at
1748         volatile insns if there has been a use already.
1749
1750 2011-11-21  Aldy Hernandez  <aldyh@redhat.com>
1751
1752         * opts.c (finish_options): Do not fail for -fgnu-tm.
1753         * gimple-streamer-out.c (output_gimple_stmt): Handle
1754         GIMPLE_TRANSACTION.
1755         * gimple-streamer-in.c (input_gimple_stmt): Same.
1756         * lto-cgraph.c (input_overwrite_node): Read tm_clone bit.
1757         (lto_output_node): Write tm_clone bit.
1758
1759 2011-11-22  Ian Lance Taylor  <iant@google.com>
1760
1761         * doc/install.texi (Configuration): Correct doc of
1762         --enable-build-poststage1-with-cxx: it is not experimental.
1763
1764 2011-11-22  Jakub Jelinek  <jakub@redhat.com>
1765
1766         PR tree-optimization/51074
1767         * fold-const.c (fold_binary_loc): Fix up VEC_INTERLEAVE_*_EXPR
1768         handling for BYTES_BIG_ENDIAN.
1769         * optabs.c (can_vec_perm_for_code_p): Likewise.
1770
1771 2011-11-22  Michael Matz  <matz@suse.de>
1772
1773         PR other/51125
1774         * trans-mem.c (expand_block_tm): Ignore clobbers.
1775
1776 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1777
1778         *  config/darwin.h (ENDFILE_SPEC): New.
1779         (DARWIN_CRT1_SPEC): Add crttms.o.
1780         (STARTFILE_SPEC): Likewise for dynamic libs and bundles.
1781         * config/i386.h (ENDFILE_SPEC): Amend to include crttme.o.
1782
1783 2011-11-22  Michael Matz  <matz@suse.de>
1784
1785         PR c++/51264
1786         * tree.c (iterative_hash_expr): Remove break after return.
1787
1788 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1789
1790         * target.def (tm_clone_table_section): New hook.
1791         * doc/tm.texi.in (TARGET_ASM_TM_CLONE_TABLE_SECTION): Define.
1792         * doc/tm.texi: Regenerate.
1793         * varasm.c (dump_tm_clone_pairs): Use target tm_clone_table_section.
1794         * output.h (default_clone_table_section): New prototype.
1795         * config/darwin.h (TARGET_ASM_TM_CLONE_TABLE_SECTION): New.
1796         * config/darwin-protos.h (darwin_tm_clone_table_section): New prototype.
1797         * config/darwin.c (darwin_tm_clone_table_section): New.
1798
1799 2011-11-21  Torvald Riegel  <triegel@redhat.com>
1800
1801         * trans-mem.c (diagnose_tm_1): Print an expression instead of a
1802         declaration in error messages for indirect calls.
1803
1804 2011-11-21  David S. Miller  <davem@davemloft.net>
1805
1806         * config/sparc/sparc.c (sparc_regmode_natural_size): New function
1807         implementing REGMODE_NATURAL_SIZE taking into consideration vector
1808         modes.
1809         (sparc_modes_tieable_p): Similarly for MODES_TIEABLE_P.
1810         * config/sparc/sparc-protos.h (sparc_regmode_natural_size,
1811         sparc_modes_tieable_p): Declare.
1812         * gcc/config/sparc/sparc.h (REGMODE_NATURAL_SIZE,
1813         MODES_TIEABLE_P): Use new helper functions.
1814
1815         Revert
1816         2011-11-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1817
1818         PR middle-end/50325
1819         * expmed.c (store_bit_field_1): Use extract_bit_field on big
1820         endian targets if the source cannot be exactly covered by word
1821         mode chunks.
1822
1823 2011-11-21  Jakub Jelinek  <jakub@redhat.com>
1824
1825         PR debug/50827
1826         * var-tracking.c (loc_cmp): For ENTRY_VALUEs use ENTRY_VALUE_EXP
1827         macro instead of XEXP.
1828
1829 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1830
1831         * configure: Regenerate.
1832
1833 2011-11-21  Georg-Johann Lay  <avr@gjlay.de>
1834
1835         * config/avr/avr.c (output_reload_in_const): Loading a byte with 0
1836         must not affect cc0.
1837         * config/avr/avr.md (*movhi, *movpsi, *movsi, *movsf): Zero to any
1838         register does not change cc0. Same for any constant to ld-register.
1839
1840 2011-11-21  Uros Bizjak  <ubizjak@gmail.com>
1841
1842         * config/i386/mmx.md (unspec) <UNSPEC_MOVNTQ, UNSPEC_PFRCP,
1843         UNSPEC_PFRCPIT1, UNSPEC_PFRCPIT2, UNSPEC_PFRSQRT, UNSPEC_PFRSQIT1>:
1844         Move from config/i386/i386.md
1845         (unspecv) <UNSPECV_EMMS, UNSPECV_FEMMS>: Ditto.
1846         * config/i386/sse.md (unspec) <UNSPEC_MOVNT,UNSPEC_MOVU, UNSPEC_LDDQU,
1847         UNSPEC_PSHUFB, UNSPEC_PSIGN, UNSPEC_PALIGNR, UNSPEC_EXTRQI,
1848         UNSPEC_EXTRQ, UNSPEC_INSERTQI, UNSPEC_INSERTQ, UNSPEC_BLENDV,
1849         UNSPEC_INSERTPS, UNSPEC_DP, UNSPEC_MOVNTDQA, UNSPEC_MPSADBW,
1850         UNSPEC_PHMINPOSUW, UNSPEC_PTEST, UNSPEC_PCMPESTR, UNSPEC_PCMPISTR,
1851         UNSPEC_FMADDSUB, UNSPEC_XOP_UNSIGNED_CMP, UNSPEC_XOP_TRUEFALSE,
1852         UNSPEC_XOP_PERMUTE, UNSPEC_FRCZ, UNSPEC_AESENC, UNSPEC_AESENCLAST,
1853         UNSPEC_AESDEC, UNSPEC_AESDECLAST, UNSPEC_AESIMC,
1854         UNSPEC_AESKEYGENASSIST, UNSPEC_PCLMUL, UNSPEC_PCMP, UNSPEC_VPERMIL,
1855         UNSPEC_VPERMIL2, UNSPEC_VPERMIL2F128, UNSPEC_CAST, UNSPEC_VTESTP,
1856         UNSPEC_VCVTPH2PS, UNSPEC_VCVTPS2PH, UNSPEC_VPERMSI, UNSPEC_VPERMDF,
1857         UNSPEC_VPERMSF, UNSPEC_VPERMTI, UNSPEC_GATHER, UNSPEC_VSIBADDR>: Ditto.
1858         (unspecv) <UNSPECV_LDMXCSR, UNSPECV_STMXCSR, UNSPECV_CLFLUSH,
1859         UNSPECV_MONITOR, UNSPECV_MWAIT, UNSPECV_VZEROALL, UNSPECV_VZEROUPPER>:
1860         Ditto.
1861         * config/i386/sync.md (unspec) <UNSPEC_LFENCE, UNSPEC_SFENCE,
1862         UNSPEC_MFENCE, UNSPEC_MOVA>: Ditto.
1863         (unspecv) <UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2, UNSPECV_CMPXCHG_3,
1864         UNSPECV_CMPXCHG_4, UNSPECV_XCHG, UNSPECV_LOCK>: Ditto.
1865         (sse2_lfence): Move from config/i386/sse.md.
1866         (*sse2_lfence): Ditto.
1867         (sse_sfence): Ditto.
1868         (*sse_sfence): Ditto.
1869         (sse2_mfence): Ditto.
1870         (mfence_sse2): Ditto.  Rename from *sse2_mfence.  Enable also
1871         for TARGET_64BIT.
1872         (mem_thread_fence): Use mfence_sse2.
1873
1874 2011-11-21  Georg-Johann Lay  <avr@gjlay.de>
1875
1876         * config/avr/avr.h (struct base_arch_s): Add field sfr_offset.
1877         * config/avr/avr-devices.c: Ditto. And initialize it.
1878         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in define
1879         __AVR_SFR_OFFSET__.
1880         * config/avr/avr-protos.h (out_movqi_r_mr, out_movqi_mr_r): Remove.
1881         (out_movhi_r_mr, out_movhi_mr_r): Remove.
1882         (out_movsi_r_mr, out_movsi_mr_r): Remove.
1883         * config/avr/avr.md (*cbi, *sbi): Use %i instead of %m-0x20.
1884         (*insv.io, *insv.not.io): Ditto.
1885         * config/avr/avr.c (out_movsi_r_mr, out_movsi_mr_r): Make static.
1886         (print_operand): Implement "%i" to print address as I/O address.
1887         (output_movqi): Clean up call of out_movqi_mr_r.
1888         (output_movhi): Clean up call of out_movhi_mr_r.
1889         (avr_file_start): Use avr_current_arch->sfr_offset instead of
1890         magic -0x20. Use TMP_REGNO, ZERO_REGNO instead of 0, 1.
1891         (avr_out_sbxx_branch): Use %i instead of %m-0x20.
1892         (out_movqi_r_mr, out_movqi_mr_r): Ditto. And make static.
1893         (out_movhi_r_mr, out_movhi_mr_r): Ditto. And use avr_asm_len.
1894         (out_shift_with_cnt): Clean up code: Use avr_asm_len.
1895         (output_movsisf): Use output_reload_insisf for all CONSTANT_P sources.
1896         (avr_out_movpsi): USE avr_out_reload_inpsi for all CONSTANT_P sources.
1897         Clean up call of avr_out_store_psi.
1898         (output_reload_in_const): Don't cut symbols longer than 2 bytes.
1899         (output_reload_insisf): Filter CONST_INT_P or CONST_DOUBLE_P to
1900         try if setting pre-cleared register is advantageous.
1901         (avr_out_plus_1): Use gen_int_mode instead of GEN_INT.
1902
1903 2011-11-20  Joey Ye  <joey.ye@arm.com>
1904
1905         * expr.c (expand_expr_real_1): Correctly handle strict volatile
1906         bitfield loads smaller than mode size.
1907
1908 2011-11-20  Richard Henderson  <rth@redhat.com>
1909
1910         * config/mips/mips.c (mips_init_libfuncs): Call init_sync_libfuncs.
1911
1912 2011-11-20  Uros Bizjak  <ubizjak@gmail.com>
1913
1914         PR target/51235
1915         * config/i386/i386.c (ix86_expand_vcond): Generate TARGET_XOP
1916         patterns for supported mode only.
1917
1918         PR target/51236
1919         * config/i386/i386.c (ix86_expand_builtin)
1920         <IX86_BUILTIN_GATHERALTSIV4DI>: Use CODE_FOR_avx2_gathersiv4di.
1921
1922 2011-11-20  Uros Bizjak  <ubizjak@gmail.com>
1923
1924         * config/i386/i386.md (UNSPEC_MOVNTI): Remove.
1925         (UNSPEC_MOVNTQ): New unspec.
1926         * config/i386/mmx.md (sse_movntq): Rename from sse_movntdi.
1927         Use UNSPEC_MOVNTQ instead of UNSPEC_MOVNT.
1928         * config/i386/sse.md (sse2_movnti<mode>): Use UNSPEC_MOVNT instead of
1929         UNSPEC_MOVNTI.
1930         (STORENT_MODE): Add DI and V4DI modes.
1931
1932 2011-11-20  Nathan Sidwell  <nathan@acm.org>
1933
1934         PR gcov-profile/51113
1935         * coverage.c (build_var): Propagate visibility for public
1936         decls.  Use make_decl_one_only for PIC correctness.
1937
1938         testsuite/
1939         * gcc.misc-tests/gcov-13.c: Check gcovpart-13b coverage
1940         * gcc.misc-tests/gcov-16.c: New.
1941         * gcc.misc-tests/gcov-17.c: New.
1942         * g++.dg/gcov/gcov-8.C: New.
1943         * g++.dg/gcov/gcov-9.C: New.
1944         * g++.dg/gcov/gcov-10.C: New.
1945
1946 2011-11-19  Eric Botcazou  <ebotcazou@adacore.com>
1947
1948         PR rtl-optimization/51187
1949         * reorg.c (relax_delay_slots): Do not consider a jump useless if there
1950         is a barrier between the jump and its target label.
1951
1952 2011-11-19  Patrick Marlier  <patrick.marlier@gmail.com>
1953
1954         PR middle-end/51211
1955         * tracer.c (ignore_bb_p): Don't copy GIMPLE_TRANSACTION.
1956
1957 2011-11-19  Eric Botcazou  <ebotcazou@adacore.com>
1958
1959         * expmed.c (store_bit_field_1): Revert bogus formatting change.
1960
1961 2011-11-19  Richard Earnshaw  <rearnsha@arm.com>
1962
1963         PR target/50493
1964         * config/arm/arm.c (neon_disambiguate_copy): Correctly handle partial
1965         overlap of src and dest operands.
1966
1967 2011-11-19  Iain Sandoe  <iains@gcc.gnu.org>
1968
1969         * config/darwin.h (ASM_DEBUG_SPEC): New.
1970         * config/darwin9.h (ASM_DEBUG_SPEC): New.
1971
1972 2011-11-18  Jan Hubicka  <jh@suse.cz>
1973
1974         * config/i386/i386.c (atom_cost): Disable SSE loop until alignment
1975         issues are fixed.
1976
1977 2011-11-18  Anatoly Sokolov  <aesok@post.ru>
1978
1979         * config/cris/cris.c (cris_function_value_regno_p): Make static.
1980         (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1981         * config/cris/cris.h (FUNCTION_VALUE_REGNO_P): Remove.
1982         * config/cris/cris-protos.h (cris_function_value_regno_p): Remove.
1983
1984 2011-11-18  H.J. Lu  <hongjiu.lu@intel.com>
1985
1986         PR target/33944
1987         * doc/extend.texi: Document __builtin_ia32_movnti64.
1988
1989         * config/i386/emmintrin.h (_mm_stream_si64): New.
1990
1991         * config/i386/i386-builtin-types.def: Add VOID_FTYPE_PLONGLONG_LONGLONG.
1992
1993         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTI64.
1994         (bdesc_special_args): Update __builtin_ia32_movnti.  Add
1995         __builtin_ia32_movnti64.
1996         (ix86_expand_special_args_builtin): Handle
1997         VOID_FTYPE_PLONGLONG_LONGLONG.
1998
1999         * config/i386/i386.md (UNSPEC_MOVNTI): New.
2000
2001         * config/i386/sse.md (sse2_movntsi): Renamed to ...
2002         (sse2_movnti<mode>): This.
2003
2004 2011-11-18  Georg-Johann Lay  <avr@gjlay.de>
2005
2006         PR target/49868
2007         * config/avr/avr.h (base_arch_s): Add field n_segments.
2008         (ADDR_SPACE_PGM1, ADDR_SPACE_PGM2, ADDR_SPACE_PGM3,
2009         ADDR_SPACE_PGM4, ADDR_SPACE_PGM5, ADDR_SPACE_PGMX): New address spaces.
2010         (AVR_HAVE_ELPM, AVR_HAVE_ELPMX): New defines.
2011         (INIT_EXPANDERS): New define.
2012         * config/avr/avr-protos.h (avr_mem_pgmx_p): New.
2013         (avr_init_expanders): New.
2014         (avr_emit_movmemhi, avr_out_movmem): New.
2015         (avr_xload_libgcc_p): New.
2016         * config/avr/avr-c.c (avr_register_target_pragmas): Register
2017         address spaces __pgm1, __pgm2,  __pgm3,  __pgm4  __pgm5,  __pgmx.
2018         (avr_cpu_cpp_builtins): Add built-in defines __PGM1,
2019         __PGM2, __PGM3, __PGM4, __PGM5, __PGMX.
2020         * config/avr/avr-devices.c (avr_arch_types): Set field n_segments.
2021
2022         * config/avr/avr.c (AVR_SECTION_PROGMEM): Change define to cover
2023         3 bits instead of just 1.
2024         (xstring_empty, xstring_e, rampz_rtx): New static GTYed variables.
2025         (progmem_section): Change from section to array of sections.
2026         (progmem_section_prefix): New static variable.
2027         (avr_file_start): Print set for __RAMPZ__
2028         (avr_option_override): Move initialization of RTXes from here...
2029         (avr_init_expanders): ...to this new function.
2030         (avr_pgm_segment): New static function.
2031         (avr_decl_pgm_p): Handle error_mark_node.
2032         (avr_mem_pgmx_p, avr_decl_pgmx_p): New static functions.
2033         (avr_out_xload, avr_find_unused_d_reg): New static functions.
2034         (expand_prologue, expand_epilogue): Use rampz_rtx.
2035         (print_operand): Hande CONST_STRING.
2036         (avr_xload_libgcc_p): New static function.
2037         (avr_out_lpm_no_lpmx, avr_out_lpm): Handle ELPM.
2038         (avr_progmem_p): Return 2 for 24-bit flash address space.
2039         (avr_out_sbxx_branch): Clean-up code from ASn macros.
2040         (out_movqi_r_mr, out_movqi_mr_r): Ditto. And recognize RAMPZ's
2041         address and print symbolically.
2042         (avr_asm_named_section, avr_section_type_flags,
2043         avr_encode_section_info, avr_asm_select_section,
2044         avr_addr_space_address_mode, avr_addr_space_pointer_mode,
2045         avr_addr_space_legitimate_address_p, avr_addr_space_convert,
2046         avr_addr_space_legitimize_address): Handle new address spaces.
2047         (avr_output_progmem_section_asm_op): New static function.
2048         (avr_asm_init_sections): Initialize progmem_section[].
2049         (adjust_insn_length): Handle ADJUST_LEN_XLOAD, ADJUST_LEN_MOVMEM.
2050         (avr_const_address_lo16): New static function.
2051         (avr_assemble_integer): Use it to handle 3-byte integers.
2052         (avr_emit_movmemhi, avr_out_movmem): New functions.
2053
2054         * config/avr/predicates.md (nox_general_operand): Handle new
2055         address spaces.
2056         * config/avr/avr.md (unspec): Add UNSPEC_MOVMEM.
2057         (adjust_len): Add xload, movmem.
2058         (SP_ADDR): New define_constants.
2059         (isa): Add "lpm", "lpmx", "elpm", "elpmx".
2060         (enabled): Handle them.
2061         (load<mode>_libgcc): New expander.
2062         (*load.<mode>.libgcc): Rename to load_<mode>_libgcc.
2063         (xload8_A, xload<mode>_A): New insn-and-splits.
2064         (xload_8, xload_<mode>_libgcc, xload_<mode>, loadmem_elpm): New insns.
2065         (mov<mode>): Handle new address spaces.
2066         (movmemhi): Rewrite using avr_emit_movmemhi.
2067         (MOVMEM_r_d): New mode attribute.
2068         (movmem_<mode>, movmem_qi_elpm): New insns.
2069         (setmemhi, *clrmemqi, *clrmemhi, strlenhi, *strlenhi): Unquote
2070         C-code.  Use label instead of hard-coded instrunction lengths.
2071
2072 2011-11-18  Martin Jambor  <mjambor@suse.cz>
2073
2074         PR tree-optimization/50605
2075         * gimple.c (is_gimple_ip_invariant_address): Also handle MEM_REFs
2076         of IPA invariant decls.
2077
2078 2011-11-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
2079
2080         * tree-outof-ssa.c (insert_back_edge_copies):  Add call to
2081         mark_dfs_back_edges.
2082
2083 2011-11-18  Iain Sandoe  <iains@gcc.gnu.org>
2084
2085         PR target/49992
2086         * configure.ac: Remove ranlib special-casing for Darwin.
2087         * configure: Regenerate.
2088
2089 2011-11-18  Uros Bizjak  <ubizjak@gmail.com>
2090
2091         PR tree-optimization/51118
2092         * fold-const.c (fold_checksum_tree): Check for TS_TYPED structure
2093         before using TREE_TYPE accessor on expr.
2094
2095 2011-11-17  Jan Hubicka  <jh@suse.cz>
2096
2097         PR bootstrap/51134
2098         * i386.c (atom_cost): Fix 32bit memset description.
2099         (expand_set_or_movmem_via_loop_with_iter): Output proper bounds check
2100         for epilogue loops.
2101         (expand_movmem_epilogue): Handle epilogues up to size 15 w/o producing
2102         byte loop.
2103         (decide_alg): sse_loop is not useable wthen SSE2 is disabled;
2104         when not optimizing always use rep movsb or lincall; do not produce
2105         word sized loops when optimizing memset for size (to avoid need
2106         for large constants).
2107         (ix86_expand_movmem): Get into sync with ix86_expand_setmem;
2108         choose unroll factors better; always do 128bit moves when producing
2109         SSE loops; do not produce loopy epilogue when size is too small.
2110         (promote_duplicated_reg_to_size): Do not look into desired alignments
2111         when doing vector expansion.
2112         (ix86_expand_setmem): Track better when promoted value is available;
2113         choose unroll factors more sanely. Output loopy epilogue only
2114         when needed.
2115
2116 2011-11-17  Steve Ellcey  <sje@cup.hp.com>
2117
2118         PR middle-end/51144
2119         * output.h (fprint_w): Remove.
2120         * final.c (fprint_w): Remove.
2121         (output_addr_const): Change fprint_w back to fprintf.
2122
2123 2011-11-17  Andrew Pinski  <apinski@cavium.com>
2124
2125         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for MIPS.
2126
2127 2011-11-17  Andrew MacLeod  <amacleod@redhat.com>
2128
2129         * builtins.c (expand_builtin): Remove 4th parameter representing
2130         weak/strong mode when __atomic_compare_exchange becomes a library call.
2131
2132 2011-11-17  Richard Henderson  <rth@redhat.com>
2133
2134         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap): Get
2135         new pseudo for target after convert_modes.
2136         (rs6000_expand_atomic_exchange, rs6000_expand_atomic_op): Likewise.
2137
2138 2011-11-17  Richard Henderson  <rth@redhat.com>
2139
2140         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap): Get
2141         new pseudo for target after convert_modes.
2142         (rs6000_expand_atomic_exchange, rs6000_expand_atomic_op): Likewise.
2143
2144 2011-11-17  Richard Henderson  <rth@redhat.com>
2145
2146         * builtins.c (expand_builtin_mem_thread_fence): Remove.
2147         (expand_builtin_mem_signal_fence): Remove.
2148         (expand_builtin_atomic_thread_fence): Use expand_mem_thread_fence.
2149         (expand_builtin_sync_synchronize): Likewise.
2150         (expand_builtin_atomic_signal_fence): Use expand_mem_signal_fence.
2151         * optabs.c (expand_asm_memory_barrier): Split out from
2152         expand_builtin_mem_signal_fence.
2153         (expand_mem_thread_fence): New, a combination of code from
2154         expand_builtin_mem_thread_fence and expand_builtin_sync_synchronize.
2155         (expand_mem_signal_fence): Moved and renamed from
2156         expand_builtin_mem_signal_fence.
2157         (expand_atomic_exchange): Use expand_mem_thread_fence.
2158         (expand_atomic_load, expand_atomic_store): Likewise.
2159         * expr.h, optabs.h: Update decls.
2160
2161 2011-11-17  Bin Cheng  <bin.cheng@arm.com>
2162
2163         PR rtl-optimization/50663
2164         * cprop.c (implicit_set_indexes): New global variable.
2165         (insert_set_in_table): Add additional parameter and record implicit
2166         set information.
2167         (hash_scan_set): Add additional parameter and pass it to above.
2168         (hash_scan_insn): Pass false to hash_scan_set.
2169         (compute_hash_table_work): Pass true to hash_scan_set.
2170         (compute_cprop_data): Add implicit set to AVIN of block which the
2171         implicit set is recorded for.
2172         (one_cprop_pass): Handle implicit_set_indexes array.
2173
2174 2011-11-17  Michael Matz  <matz@suse.de>
2175
2176         PR middle-end/50644
2177         PR middle-end/50741
2178         * tree-ssa-live.c (mark_all_vars_used_1): Recurse only for decls of
2179         current function.
2180         (remove_unused_locals): Ditto.
2181
2182 2011-11-16  Richard Henderson  <rth@redhat.com>
2183
2184         * config/alpha/alpha.c (alpha_split_compare_and_swap_12): Copy
2185         ALIAS_SET_MEMORY_BARRIER when creating a new memory.
2186         (alpha_split_atomic_exchange_12): Likewise.
2187         * config/rs6000/rs6000.c (rs6000_adjust_atomic_subword): Likewise.
2188
2189 2011-11-16  Joseph Myers  <joseph@codesourcery.com>
2190
2191         * config/i386/i386elf.h (PREFERRED_DEBUGGING_TYPE): Remove.
2192
2193 2011-11-16  David Edelsohn  <dje.gcc@gmail.com>
2194
2195         * config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
2196         Default to minimum alignment if decl is NULL.
2197
2198 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
2199
2200         * config/i386/sse.md (round<mode>2_vec_pack_sfix): Optimize V2DFmode
2201         sequence for AVX.
2202         (<sse4_1>_round<ssemodesuffix>_vec_pack_sfix<avxsizesuffix>): Ditto.
2203
2204 2011-11-16  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
2205
2206         * doc/invoke.texi: Document AMD bdver1 and btver1.
2207
2208 2011-11-16  Richard Earnshaw  <rearnsha@arm.com>
2209             Bernd Schmidt <bernds@coudesourcery.com>
2210             Sebastian Huber <sebastian.huber@embedded-brains.de>
2211
2212         PR target/49641
2213         * config/arm/arm.c (store_multiple_sequence): Avoid cases where
2214         the base reg is stored iff compiling for Thumb1.
2215
2216 2011-11-16  Razya Ladelsky  <razya@il.ibm.com>
2217
2218         PR tree-optimization/49960
2219         * tree-data-ref.c (initialize_data_dependence_relation): Add
2220         initializations.
2221         Remove call to compute_self_dependence.
2222         (compute_affine_dependence): Remove the !DDR_SELF_REFERENCE condition.
2223         (compute_self_dependence): Remove old code. Add call to
2224         compute_affine_dependence.
2225         (compute_all_dependences): Remove call to compute_self_dependence.
2226         Add call to compute_affine_dependence.
2227
2228 2011-11-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2229
2230         PR middle-end/50325
2231         * expmed.c (store_bit_field_1): Use extract_bit_field on big
2232         endian targets if the source cannot be exactly covered by word
2233         mode chunks.
2234
2235 2011-11-15  Joseph Myers  <joseph@codesourcery.com>
2236
2237         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Change STRING_LIMIT to
2238         ELF_STRING_LIMIT.
2239
2240 2011-11-15  Richard Henderson  <rth@redhat.com>
2241
2242         * config/alpha/alpha.c (alpha_pre_atomic_barrier): New.
2243         (alpha_post_atomic_barrier): New.
2244         (alpha_split_atomic_op): New memmodel argument; honor it.
2245         (alpha_split_compare_and_swap): Take array of operands.  Honor
2246         memmodel; always set bool output
2247         (alpha_expand_compare_and_swap_12): Similarly.
2248         (alpha_split_compare_and_swap_12): Similarly.
2249         (alpha_split_atomic_exchange): Similarly.  Rename from
2250         alpha_split_lock_test_and_set.
2251         (alpha_expand_atomic_exchange_12): Similarly.  Rename from
2252         alpha_expand_lock_test_and_set_12.
2253         (alpha_split_atomic_exchange_12): Similarly.  Rename from
2254         alpha_split_lock_test_and_set_12.
2255         * config/alpha/alpha-protos.h: Update.
2256         * config/alpha/alpha.md (UNSPECV_CMPXCHG): New.
2257         * config/alpha/constraints.md ("w"): New.
2258         * config/alpha/predicates.md (mem_noofs_operand): New.
2259         * config/alpha/sync.md (atomic_compare_and_swap<mode>): Rename from
2260         sync_compare_and_swap<mode>; add the new parameters.
2261         (atomic_exchange<mode>): Update from sync_test_and_set<mode>.
2262         (atomic_fetch_<op><mode>): Update from sync_old_<op><mode>.
2263         (atomic_<op>_fetch<mode>): Update from sync_new_<op><mode>.
2264         (atomic_<op><mode>): Update from sync_<op><mode>.
2265
2266 2011-11-16  Tom de Vries  <tom@codesourcery.com>
2267
2268         * tree-ssa-tail-merge.c (replace_block_by): Add frequency of bb2 to bb1.
2269
2270 2011-11-16  Alan Modra  <amodra@gmail.com>
2271
2272         PR rtl-optimization/51051
2273         PR bootstrap/51086
2274         * function.c (thread_prologue_and_epilogue_insns): Guard
2275         emitting return with single_succ_p test.
2276
2277 2011-11-15  Joern Rennecke  <joern.rennecke@embecosm.com>
2278
2279         * config/epiphany/epiphany.md (mov<mode>cc): Fix code to
2280         get mode from CMP_OP1 if CMP_OP0 is VOIDmode.
2281
2282 2011-11-15  Uros Bizjak  <ubizjak@gmail.com>
2283
2284         * config/i386/sse.md (vec_pack_trunc_v2df): Optimize sequence for AVX.
2285         (vec_pack_sfix_trunc_v2df): Ditto.
2286         (vec_pack_sfix_v2df): Ditto.
2287         (vec_pack_sfix_trunc_v4df): Generate fix_truncv4dfv4si2 and
2288         avx_vec_concatv8si patterns.
2289         (vec_pack_sfix_v4df): Generate avx_cvtpd2dq256 and
2290         avx_vec_concatv8si patterns.
2291
2292 2011-11-15  Torvald Riegel  <triegel@redhat.com>
2293
2294         * c-parser.c (c_parser_transaction_expression): Require parentheses
2295         when parsing transaction expressions.
2296
2297 2011-11-15  Tristan Gingold  <gingold@adacore.com>
2298
2299         * incpath.c (get_added_cpp_dirs): New function.
2300         * incpath.h (get_added_cpp_dirs): Declare.
2301         * config/vms/vms-c.c (vms_c_register_includes): New function.
2302         (vms_std_modules): New variable.
2303         * config/vms/vms.h (TARGET_EXTRA_INCLUDES): Define.
2304         (vms_c_register_includes): Declare.
2305
2306 2011-11-15  Tristan Gingold  <gingold@adacore.com>
2307
2308         * c-family/c-pragma.h (pragma_extern_prefix): Declare.
2309         * c-family/c-pragma.c (pragma_extern_prefix): Make it public.
2310         * config/vms/vms-c.c (saved_extern_prefix): New variable.
2311         (vms_pragma_extern_prefix): New function.
2312         (vms_c_register_pragma): Register vms_pragma_extern_prefix.
2313
2314 2011-11-15  Georg-Johann Lay  <avr@gjlay.de>
2315
2316         PR target/49868
2317         * config/avr/avr.h (ADDR_SPACE_PGM): New address spaces.
2318         (REGISTER_TARGET_PRAGMAS): New define.
2319         * config/avr/avr-protos.h (avr_mem_pgm_p): New.
2320         (avr_load_libgcc_p): New.
2321         (avr_register_target_pragmas): New.
2322         (asm_output_external_libcall): Remove.
2323         (avr_log_t): Add field "progmem".  Order alphabetically.
2324         * config/avr/avr-log.c (avr_log_set_avr_log): Set avr_log.progmem.
2325         * config/avr/avr-c.c (langhooks.h): New include.
2326         (avr_register_target_pragmas): New function. Register address
2327         space __pgm.
2328         (avr_cpu_cpp_builtins): Add built-in define __PGM.
2329
2330         * config/avr/avr.c: Include "c-family/c-common.h".
2331         (TARGET_LEGITIMATE_ADDRESS_P): Remove define.
2332         (TARGET_LEGITIMIZE_ADDRESS): Remove define.
2333         (TARGET_ADDR_SPACE_SUBSET_P): Define to...
2334         (avr_addr_space_subset_p): ...this new static function.
2335         (TARGET_ADDR_SPACE_CONVERT): Define to...
2336         (avr_addr_space_convert): ...this new static function.
2337         (TARGET_ADDR_SPACE_ADDRESS_MODE): Define to...
2338         (avr_addr_space_address_mode): ...this new static function.
2339         (TARGET_ADDR_SPACE_POINTER_MODE): Define to...
2340         (avr_addr_space_pointer_mode): ...this new static function.
2341         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define to...
2342         (avr_addr_space_legitimate_address_p): ...this new static function.
2343         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Define to...
2344         (avr_addr_space_legitimize_address): ...this new static function.
2345         (avr_mode_code_base_reg_class): Handle address spaces.
2346         (avr_regno_mode_code_ok_for_base_p): Ditto.
2347         (lpm_addr_reg_rtx, lpm_reg_rtx, all_regs_rtx): New static variables.
2348         (avr_option_override): Initialize them.
2349         (output_reload_in_const): Use all_regs_rtx. Fix signedness of loop
2350         variables.
2351         (avr_pgm_segment): New static function.
2352         (avr_decl_pgm_p, avr_mem_pgm_p): New static functions.
2353         (avr_out_lpm, avr_out_lpm_no_lpmx): New static functions.
2354         (output_movqi, output_movhi, output_movsisf, avr_out_movpsi): Call
2355         avr_out_lpm to handle loads from progmem.
2356         (avr_load_libgcc_p): New static function.
2357         (avr_progmem_p): Test if decl is in flash.
2358         (avr_pgm_pointer_const_p): New static function.
2359         (avr_nonconst_pointer_addrspace): New static function.
2360         (avr_pgm_check_var_decl): New static function.
2361         (avr_insert_attributes): Use it.  Change error message to report
2362         cause (progmem or address space) when code wants to write to flash.
2363         (avr_section_type_flags): Unset section flag SECTION_BSS for
2364         data in progmem.
2365
2366         * config/avr/predicates.md (nop_general_operand): New predicate.
2367         (nox_general_operand): New predicate.
2368         * config/avr/avr.md (LPM_REGNO): New define_constant.
2369         (load<mode>_libgcc): New expander.
2370         (*load.<mode>.libgcc): New insn.
2371         (mov<mode>): Handle loads from non-generic AS.
2372         (movmemhi): Ditto.  Propagate address space information to newly
2373         created MEM.
2374         (movqi_insn, *movhi, *movpsi, *movsi, *movsf): Change predicate #1
2375         to nox_general_operand.
2376         (ashrqi3, ashrhi3, ashrsi3): Change predicate #1 to
2377         nop_general_operand.
2378         (ashlqi3, *ashlqi3, ashlhi3, ashlsi3): Ditto.
2379         (lshrqi3, *lshrqi3, lshrhi3, lshrsi3): Ditto.
2380         (split-lpmx): New split.
2381         (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
2382         *lshrhi3_const, *lshrsi3_const): Indent, unquote C.
2383
2384 2011-11-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
2385
2386         * ipa-cp.c (ipa_value_from_jfunc): Make global.
2387         (ipa_cst_from_jfunc): Remove, use ipa_value_from_jfunc instead.
2388         (get_indirect_edge_target): Rename, make global.
2389         (devirtualization_time_bonus, estimate_local_effects,)
2390         (ipcp_discover_new_direct_edges): Update.
2391         * ipa-inline-analysis.c (evaluate_conditions_for_edge):
2392         Generalize to also handle types.  Rename to ...
2393         (evaluate_properties_for_edge): Use instead of
2394         evaluate_conditions_for_edge.
2395         (estimate_edge_devirt_benefit): New function.
2396         (estimate_calls_size_and_time): Use it.
2397         (estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,)
2398         (inline_merge_summary): Update.
2399         (do_estimate_edge_time, do_estimate_edge_growth): Update.  Calculate
2400         parameter information at the call site and pass it on to subroutines.
2401         * tree-inline.c (estimate_num_insns): Distinguish between direct and
2402         indirect calls.
2403         (init_inline_once): Set size and time costs or indirect calls.
2404         * tree-inline.h (eni_weights): Add indirect_call_cost.
2405
2406 2011-11-15  Tom de Vries  <tom@codesourcery.com>
2407
2408         PR tree-optimization/51005
2409         * tree-ssa-tail-merge.c (delete_basic_block_same_succ): Rename to
2410         mark_basic_block_deleted.
2411         (update_worklist): Inline purge_bbs.
2412         (purge_bbs, unlink_virtual_phi, update_vuses, vop_at_entry)
2413         (delete_block_update_dominator_info): Remove.
2414         (replace_block_by): Remove update_vops parameter.  Partially evaluate
2415         for update_vops == false.
2416         (apply_clusters): Remove update_vops parameter.  Remove update_vops
2417         argument in replace_block_by call.
2418         (update_debug_stmts): Remove MAY_HAVE_DEBUG_STMTS test.
2419         (tail_merge_optimize): Remove update_vops argument to apply_clusters.
2420         Remove call to purge_bbs.  Add calls to calculate_dominance_info and
2421         free_dominance_info.  Add MAY_HAVE_DEBUG_STMTS  before calling
2422         update_debug_stmts.  Mark vop var for renaming, if necessary.
2423
2424 2011-11-15  Bernd Schmidt  <bernds@codesourcery.com>
2425
2426         PR rtl-optimization/51051
2427         * cfgrtl.c (cfg_layout_can_merge_blocks_p): Return FALSE if the
2428         move would cause fallthrough into the exit block.
2429
2430 2011-11-14  Richard Henderson  <rth@redhat.com>
2431
2432         * config/rs6000/rs6000.c (emit_load_locked): Assert the mode is
2433         handled.
2434         (emit_store_conditional): Likewise.
2435         (rs6000_pre_atomic_barrier, rs6000_post_atomic_barrier): New.
2436         (rs6000_adjust_atomic_subword): New.
2437         (rs6000_mask_atomic_subword, rs6000_finish_atomic_subword): New.
2438         (rs6000_expand_atomic_op): Rename from rs6000_emit_sync; rewrite
2439         for pre-reload expansion.
2440         (rs6000_split_compare_and_swap, rs6000_split_compare_and_swapqhi,
2441         rs6000_expand_compare_and_swapqhi): Merge into ...
2442         (rs6000_expand_atomic_compare_and_swap): ... here.  New function.
2443         rs6000_split_lock_test_and_set; expand immediately.  Handle
2444         QImode and HImode.
2445         * config/rs6000/rs6000.md (UNSPEC_LWSYNC): Move and rename
2446         from UNSPECV_LWSYNC.
2447         * config/rs6000/sync.md (fetchopsi_constr, fetchopdi_constr): Remove.
2448         (mem_thread_fence): New.
2449         (hwsync): Rename from memory_barrier.
2450         (*hwsync): Rename from *sync_internal.
2451         (lwsync, *lwsync): Mirror hwsync implementation.
2452         (isync): Don't reference memory.
2453         (loadsync): New.
2454         (atomic_load<INT>, atomic_store<INT>): New.
2455         (ATOMIC): New mode iterator.
2456         (load_locked<ATOMIC>): Rename from load_locked_<GPR>.
2457         (store_conditional<ATOMIC>): Rename from store_conditional_<GPR>.
2458         (sync_compare_and_swap<GPR>): Remove.
2459         (sync_compare_and_swaphi, sync_compare_and_swapqi): Remove.
2460         (sync_compare_and_swapqhi_internal): Remove.
2461         (sync_lock_test_and_set<GPR>): Remove.
2462         (sync_<FETCHOP><INT1>): Remove.
2463         (*sync_<FETCHOP>si_internal, *sync_<FETCHOP>di_internal): Remove.
2464         (sync_nand<INT1>, *sync_nand<GPR>_internal): Remove.
2465         (sync_old_<FETCHOP><GPR>): Remove.
2466         (*sync_old_<FETCHOP>si_internal): Remove.
2467         (*sync_old_<FETCHOP>di_internal): Remove.
2468         (sync_old_nand<INT1>): Remove.
2469         (*sync_old_nand<GPR>_internal): Remove.
2470         (sync_new_<FETCHOP><GPR>): Remove.
2471         (*sync_new_<FETCHOP>si_internal): Remove.
2472         (*sync_new_<FETCHOP>di_internal): Remove.
2473         (sync_new_nand<INT1>): Remove.
2474         (*sync_new_nand<GPR>_internal): Remove.
2475         (*atomic_andsi, *atomic_anddi): Remove.
2476         (*sync_addshort_internal, *sync_subshort_internal): Remove.
2477         (*sync_andsi_internal, *sync_boolsi_internal): Remove.
2478         (*sync_boolcshort_internal): Remove.
2479         (sync_lock_release<INT1>): Remove.
2480         (atomic_compare_and_swap<INT1>): New.
2481         (atomic_exchange<INT1>): New.
2482         (atomic_<FETCHOP><INT1>, atomic_nand<INT1>): New.
2483         (atomic_fetch_<FETCHOP><INT1>, atomic_fetch_nand<INT1>): New.
2484         (atomic_<FETCHOP>_fetch<INT1>, atomic_nand_fetch<INT1>): New.
2485
2486 2011-11-14  Uros Bizjak  <ubizjak@gmail.com>
2487
2488         * config/i386/sse.md (round<mode>2): Use register_operand for
2489         operand 1 predicate.
2490         (round<mode>2_sfix): Ditto.
2491         (round<mode>2_vec_pack_sfix): Ditto for operand 1 and operand 2.
2492
2493 2011-11-14  Nathan Sidwell  <nathan@acm.org>
2494
2495         * gcov.c (canonicalize_name): Protect use of S_ISLNK.
2496
2497 2011-11-14  Jan Hubicka  <jh@suse.cz>
2498
2499         PR target/51126
2500         * config/i386/i386.c (core cost model): Correct pasto.
2501
2502 2011-11-14  Uros Bizjak  <ubizjak@gmail.com>
2503
2504         * config/i386/sse.md (round<mode>2_sfix): New expander.
2505         (round<mode>2_vec_pack_sfix): Ditto.
2506         (<sse4_1>_round<ssemodesuffix>_sfix<avxsizesuffix>): Ditto.
2507         (<sse4_1>_round<ssemodesuffix>_vec_pack_sfix<avxsizesuffix>): Ditto.
2508         * config/i386/builtin-types.def (V4SI_FTYPE_V4SF_ROUND,
2509         V8SI_FTYPE_V8SF_ROUND, V4SI_FTYPE_V2DF_V2DF_ROUND,
2510         V8SI_FTYPE_V4DF_V4DF_ROUND): New builtin types.
2511         * config/i386/i386.c (ix86_builtins): Add
2512         IX86_BUILTIN_{FLOORPD,CEILPD,ROUNDPD_AZ}_VEC_PACK_SFIX{,256} and
2513         IX86_BUILTIN_{FLOORPS,CEILPS,ROUNDPS_AZ}_SFIX{,256} defines.
2514         (bdesc_args): Add __builtin_ia32_{floorpd,ceilpd}_vec_pack_sfix{,256},
2515         __builtin_ia32_roundpd_az_vec_pack_sfix{,256},
2516         __builtin_ia32_{floorps,ceilps}_sfix{,256}and
2517         __builtin_ia32_roundps_az_sfix{,256} descriptions.
2518         (ix86_expand_sse_round_vec_pack_sfix): New.
2519         (ix86_expand_args_builtin): Handle V4SI_FTYPE_V4SF_ROUND,
2520         V8SI_FTYPE_V8SF_ROUND, V4SI_FTYPE_V2DF_V2DF_ROUND and
2521         V8SI_FTYPE_V4DF_V4DF_ROUND types.  Check last argument of
2522         CODE_FOR_sse4_1_roundpd_vec_pack_sfix, CODE_FOR_sse4_1_roundps_sfix,
2523         CODE_FOR_avx_roundpd_vec_pack_sfix256 and CODE_FOR_avx_roundps_sfix256.
2524         (ix86_builtin_vectorized_function): Handle
2525         BUILT_IN_{I,L,LL}FLOOR{,F}, BUILT_IN_{I,L,LL}CEIL{,F} and
2526         BUILT_IN_{I,L,LL}ROUND{,F}
2527
2528 2011-11-14  Jan Hubicka  <jh@suse.cz>
2529
2530         PR middle-end/50598
2531         * cgraph.h (varpool_externally_visible_p): Declare.
2532         (varpool_add_new_variable): Declare.
2533         * tree-emultls.c (get_emutls_init_templ_addr,
2534         new_emutls_decl): Use varpool_add_new_variable.
2535         * ipa.c (varpool_externally_visible_p): Export.
2536         * varpool.c (varpool_add_new_variable): New function.
2537
2538 2011-11-14  Michael Zolotukhin  <michael.v.zolotukhin@gmail.com>
2539             Jan Hubicka  <jh@suse.cz>
2540
2541         * config/i386/i386.h (processor_costs): Add second dimension to
2542         stringop_algs array.
2543         * config/i386/i386.c (cost models): Initialize second dimension of
2544         stringop_algs arrays.
2545         (core_cost): New costs based on generic64 costs with updated stringop
2546         values.
2547         (promote_duplicated_reg): Add support for vector modes, add
2548         declaration.
2549         (promote_duplicated_reg_to_size): Likewise.
2550         (processor_target): Set core costs for core variants.
2551         (expand_set_or_movmem_via_loop_with_iter): New function.
2552         (expand_set_or_movmem_via_loop): Enable reuse of the same iters in
2553         different loops, produced by this function.
2554         (emit_strset): New function.
2555         (expand_movmem_epilogue): Add epilogue generation for bigger sizes,
2556         use SSE-moves where possible.
2557         (expand_setmem_epilogue): Likewise.
2558         (expand_movmem_prologue): Likewise for prologue.
2559         (expand_setmem_prologue): Likewise.
2560         (expand_constant_movmem_prologue): Likewise.
2561         (expand_constant_setmem_prologue): Likewise.
2562         (decide_alg): Add new argument align_unknown.  Fix algorithm of
2563         strategy selection if TARGET_INLINE_ALL_STRINGOPS is set; Skip sse_loop
2564         (decide_alignment): Update desired alignment according to chosen move
2565         mode.
2566         (ix86_expand_movmem): Change unrolled_loop strategy to use SSE-moves.
2567         (ix86_expand_setmem): Likewise.
2568         (ix86_slow_unaligned_access): Implementation of new hook
2569         slow_unaligned_access.
2570         * config/i386/i386.md (strset): Enable half-SSE moves.
2571         * config/i386/sse.md (vec_dupv4si): Add expand for vec_dupv4si.
2572         (vec_dupv2di): Add expand for vec_dupv2di.
2573
2574 2011-11-14  Dimitrios Apostolou  <jimis@gmx.net>
2575
2576         PR bootstrap/51094
2577         PR middle-end/51116
2578         * config/elfos.h (TARGET_ASM_INTERNAL_LABEL): Remove.
2579         * varasm.c (default_elf_internal_label): Remove.
2580
2581 2011-11-14  Kai Tietz  <ktietz@redhat.com>
2582
2583         * gcov.c (generate_results): Add missing semicolon and correct indent.
2584
2585 2011-11-14  Ira Rosen  <ira.rosen@linaro.org>
2586
2587         PR bootstrap/51112
2588         * tree-vect-stmts.c (vectorizable_condition): Initialize comp_vectype.
2589
2590 2011-11-14  Mingjie Xing  <mingjie.xing@gmail.com>
2591
2592         * doc/invoke.texi (Wunused-result): Change @pxref{Variable Attributes}
2593         to @pxref{Function Attributes}.
2594
2595 2011-11-13  Oleg Endo  <oleg.endo@t-online.de>
2596
2597         PR target/50694
2598         * config/sh/sh.h (IS_LITTLE_ENDIAN_OPTION, UNSUPPORTED_SH2A):
2599         New macros.
2600         (DRIVER_SELF_SPECS): Use new macros to filter out unsupported options
2601         taking the default configuration into account.
2602
2603 2011-11-13  Jonathan Wakely  <jwakely.gcc@gmail.com>
2604
2605         * doc/install.texi (Specific): Fix anchor for
2606         x86_64-*-solaris2.1[0-9]*.
2607
2608 2011-11-13  Nathan Sidwell  <nathan@acm.org>
2609
2610         * gcov.c (source_prefix, source_length): New globals.
2611         (flag_relative_only): Likewise.
2612         (print_usage, options, process_args): Update.
2613         (generate_results): Use coverage.name, check
2614         flag_relative_only. Adjust messages.
2615         (find_source): Check source_prefix.
2616         (output_lines): Use coverage.name, adjust messages.
2617         * doc/gcov.texi (Invoking Gcov): Document new options.
2618
2619 2011-11-12  Jason Merrill  <jason@redhat.com>
2620
2621         PR c++/51060
2622         * gimplify.c (gimplify_target_expr): Add a clobber to the cleanup.
2623         (gimplify_modify_expr): Don't try to simplify it.
2624
2625 2011-11-12  Dimitrios Apostolou  <jimis@gmx.net>
2626
2627         PR bootstrap/51094
2628         * config/elfos.h (STRING_ASM_OP): Define.
2629         * varasm.c (default_elf_asm_output_limited_string): Use it.
2630
2631         PR bootstrap/51094
2632         * gcc/configure.ac: Check for stpcpy declaration.
2633         * system.h: Declare it if not.
2634         * config.in, configure: Regenerate.
2635
2636 2011-11-12  Richard Henderson  <rth@redhat.com>
2637
2638         * config/rs6000/rs6000.md (fix_trunc<SFDF>si2_stfiwx): Use
2639         nonimmediate_operand for the destination.
2640         (fixuns_trunc<SFDF>si2_stfiwx): Likewise.
2641
2642         * builtins.c (expand_builtin_compare_and_swap): If target is const0,
2643         don't pass the target to expand_atomic_compare_and_swap.
2644         (expand_builtin_atomic_compare_exchange): Likewise.
2645
2646         * config/sh/linux.h (TARGET_INIT_LIBFUNCS): New.
2647         * config/sh/sh.c (sh_init_sync_libfuncs): New.
2648
2649         * config/pa/pa-linux.h (TARGET_SYNC_LIBCALL): New.
2650         * config/pa/pa.h (TARGET_SYNC_LIBCALL): New default.
2651         * config/pa/pa.c (pa_init_libfuncs): Use init_sync_libfuncs.
2652
2653 2011-11-12  Iain Sandoe  <iains@gcc.gnu.org>
2654
2655         PR target/45233
2656         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2657         Only expand a symbol ref. into an access when the entity is defined
2658         in the TU.
2659
2660 2011-11-12  Jan Hubicka  <jh@suse.cz>
2661
2662         PR bootstrap/50822
2663         * cgraphunit.c (output_weakrefs): Output really only weakrefs.
2664
2665 2011-11-12  Nathan Sidwell  <nathan@acm.org>
2666
2667         * gcov.c (struct name_map): New.
2668         (names, n_names, a_names): New global vars.
2669         (print_usage): Adjust usage.
2670         (generate_results): Canonicalize main file name.
2671         (release_structures): Adjust.
2672         (name_search, name_sort): New callbacks.
2673         (find_source): Look for and create a canonical name.
2674         (canonicalize_name): New.
2675         (make_gcov_file_name): Reimplement and fix mangling.
2676         (mangle_name): New.
2677         * doc/gcov.texi: Update documentation about path preservation.
2678
2679 2011-11-11  David S. Miller  <davem@davemloft.net>
2680
2681         * config/sparc/linux.h (ASM_GENERATE_INTERNAL_LABEL): Delete.
2682         * config/sparc/linux64.h (ASM_GENERATE_INTERNAL_LABEL): Delete.
2683
2684 2011-11-11  Jakub Jelinek  <jakub@redhat.com>
2685
2686         * config/i386/i386-protos.h (ix86_maybe_emit_epilogue_vzeroupper):
2687         New prototype.
2688         * config/i386/i386.c (ix86_maybe_emit_epilogue_vzeroupper): New
2689         function.
2690         (ix86_expand_epilogue): Use it.
2691         * config/i386/i386.md (return, simple_return): Call it in the
2692         expanders.
2693
2694         PR tree-optimization/51091
2695         * tree-stdarg.c (execute_optimize_stdarg): Ignore TREE_CLOBBER_P
2696         rhs also in the va_list_simple_ptr case.
2697
2698         PR tree-optimization/51058
2699         * tree-vect-slp.c (vect_remove_slp_scalar_calls): New function.
2700         (vect_schedule_slp): Call it.
2701         * tree-vect-stmts.c (vectorizable_call): If slp_node != NULL,
2702         don't replace scalar calls with setting of their lhs to zero here.
2703
2704         PR tree-optimization/51074
2705         * fold-const.c (vec_cst_ctor_to_array, fold_vec_perm): New functions.
2706         (fold_binary_loc): Handle VEC_EXTRACT_EVEN_EXPR,
2707         VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR and
2708         VEC_INTERLEAVE_LOW_EXPR with VECTOR_CST or CONSTRUCTOR operands.
2709         (fold_ternary_loc): Handle VEC_PERM_EXPR with VECTOR_CST or
2710         CONSTRUCTOR operands.
2711         * tree-ssa-propagate.c (valid_gimple_rhs_p): Handle ternary
2712         expressions.
2713         * tree-vect-generic.c (lower_vec_perm): Mask sel_int elements
2714         to 0 .. 2 * elements - 1.
2715
2716 2011-11-11  Richard Henderson  <rth@redhat.com>
2717
2718         * gimple-pretty-print.c (dump_gimple_omp_atomic_load): Dump needed.
2719         (dump_gimple_omp_atomic_store): Likewise.
2720         * optabs.c (can_atomic_exchange_p): New.
2721         * optabs.h (can_atomic_exchange_p): Declare.
2722         * omp-low.c (expand_omp_atomic_load): Implement.
2723         (expand_omp_atomic_store): Likewise.
2724         (expand_omp_atomic): Update for new arguments to load/store.
2725
2726 2011-11-11  Eric Botcazou  <ebotcazou@adacore.com>
2727
2728         * cprop.c: Adjust outdated comments throughout.
2729         (hash_scan_set): Rename PAT parameter into SET.
2730         (cprop_pavloc): Rename into...
2731         (cprop_avloc): ...this.
2732         (cprop_absaltered): Rename into...
2733         (cprop_kill): ...this.
2734         (alloc_cprop_mem): Adjust for above renaming.
2735         (free_cprop_mem): Likewise.
2736         (compute_cprop_data): Likewise.
2737         (compute_local_properties): Rename TRANSP parameter into KILL and
2738         adjust throughout.  Rework comments.
2739         (try_replace_reg): Fix long line.
2740         (cprop_jump): Likewise.
2741         (constprop_register): Fix prototype and take INSN last.
2742         (cprop_insn): Adjust calls to above function.  Fix long lines.
2743         (bypass_block): Likewise.
2744         (one_cprop_pass): Likewise.
2745
2746 2011-11-11  Uros Bizjak  <ubizjak@gmail.com>
2747
2748         * config/alpha/elf.h (ELF_ASCII_ESCAPES): Rename from ESCAPES.
2749         (ELF_STRING_LIMIT): Rename from STRING_LIMIT.
2750
2751 2011-11-11  Jason Merrill  <jason@redhat.com>
2752
2753         * varasm.c (default_elf_asm_output_limited_string): #ifdef
2754         ELF_ASCII_ESCAPES.
2755         (default_elf_asm_output_ascii): Likewise.
2756
2757 2011-11-11  Uros Bizjak  <ubizjak@gmail.com>
2758
2759         PR target/50762
2760         * config/i386/constraints.md (j): New address constraint.
2761         * config/i386/predicates.md (lea_address_operand): Redefine as
2762         special predicate.
2763         * config/i386/i386.md (*lea_3_zext): Use "j" constraint for operand 1.
2764         (*lea_4_zext): Ditto.
2765
2766 2011-11-11  David S. Miller  <davem@davemloft.net>
2767
2768         Revert
2769         2011-11-05  David S. Miller  <davem@davemloft.net>
2770
2771         * config/sparc/sparc.md (UNSPEC_SHORT_LOAD): New unspec.
2772         (zero-extend_v8qi_vis, zero_extend_v4hi_vis): New expanders.
2773         (*zero_extend_v8qi_<P:mode>_insn,
2774         *zero_extend_v4hi_<P:mode>_insn): New insns.
2775         * config/sparc/sparc.c (vector_init_move_words,
2776         vector_init_prepare_elts, sparc_expand_vector_init_vis2,
2777         sparc_expand_vector_init_vis1): New functions.
2778         (vector_init_bshuffle): Rewrite to handle more cases and make use
2779         of locs[] array prepared by vector_init_prepare_elts.
2780         (vector_init_fpmerge, vector_init_faligndata): Delete.
2781         (sparc_expand_vector_init): Rewrite using new infrastructure.
2782
2783 2011-11-11  Jakub Jelinek  <jakub@redhat.com>
2784
2785         * opts-common.c (generate_canonical_option): Free opt_text
2786         it it has been allocated here and not stored anywhere.
2787
2788         * tree-vect-slp.c (vect_free_slp_tree): Also free SLP_TREE_CHILDREN
2789         vector.
2790         (vect_create_new_slp_node): Don't allocate node before checking stmt
2791         type.
2792         (vect_free_oprnd_info): Remove FREE_DEF_STMTS argument, always
2793         free def_stmts vectors and additionally free oprnd_info.
2794         (vect_build_slp_tree): Adjust callers.  Call it even if
2795         stop_recursion.  If vect_create_new_slp_node or
2796         vect_build_slp_tree fails, properly handle freeing memory.
2797         If it succeeded, clear def_stmts in oprnd_info.
2798
2799 2011-11-11  Dimitrios Apostolou  <jimis@gmx.net>
2800
2801         * defaults.h (ASM_OUTPUT_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Expand on
2802         multiple lines for readability.
2803         * output.h (fprint_whex, fprint_w, fprint_ul, sprint_ul): Declare.
2804         (ASM_OUTPUT_LABELREF): Call fputs instead of asm_fprintf.
2805         * dwarf2asm.c (dw2_assemble_integer, dw2_asm_output_data,
2806         dw2_asm_data_uleb128, dw2_asm_delta_uleb128,
2807         dw2_asm_delta_sleb128): Convert fprintf calls to the new functions.
2808         * dwarf2out.c (dwarf2out_source_line): Call fprint_ul instead of
2809         fprintf.
2810         * final.c (fprint_whex, fprint_w, fprint_ul, sprint_ul): New functions
2811         serving as fast replacements for fprintf integer to string conversions.
2812         (sprint_ul_rev): Internal helper for the above.
2813         (output_addr_const) <CONST_INT>: Don't use fprintf.
2814         * varasm.c: Fix some whitespace inconsistencies.
2815         (default_elf_asm_output_limited_string): New.
2816         (default_elf_asm_output_ascii): Likewise.
2817         (default_elf_internal_label): Likewise.
2818         * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Use sprint_ul and
2819         stpcpy instead of sprintf.
2820         (TARGET_ASM_INTERNAL_LABEL): Define as default_elf_internal_label.
2821         (ELF_ASCII_ESCAPES, ELF_STRING_LIMIT): Rename from old ESCAPES and
2822         STRING_LIMIT macros.
2823         (ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII): Call functions that
2824         provide the same functionality.
2825         * config/i386/i386.c (print_reg): Call fprint_ul instead of fprintf.
2826
2827 2011-11-10  Andrew MacLeod  <amacleod@redhat.com>
2828
2829         * doc/extend.texi: Document __atomic_test_and_set and __atomic_clear.
2830
2831 2011-11-10  Andrew MacLeod  <amacleod@redhat.com>
2832
2833         PR middle-end/51038
2834         * builtins.c (expand_builtin_atomic_clear): New.  Expand atomic_clear.
2835         (expand_builtin_atomic_test_and_set): New.  Expand atomic test_and_set.
2836         (expand_builtin): Add cases for test_and_set and clear.
2837         * sync-builtins.def (BUILT_IN_ATOMIC_TEST_AND_SET): New.
2838         (BUILT_IN_ATOMIC_CLEAR): New.
2839
2840 2011-11-10  Roberto Agostino Vitillo  <ravitillo@lbl.gov>
2841
2842         PR debug/50983
2843         * dwarf2out.c (set_cur_line_info_table): Restore the last is_stmt
2844         value in the current line table.
2845
2846 2011-11-10  Nathan Sidwell  <nathan@acm.org>
2847
2848         * gcov.c (struct function_info): Make src an index, not a pointer.
2849         (struct source_info): Remove index and next source fields.
2850         (fn_end): New static var.
2851         (sources_index): Remove.
2852         (sources): Now a pointer to an array, not a list.
2853         (n_sources, a_sources): New.
2854         (process_file): Adjust for changes to read_graph_file. Insert
2855         functions into source lists and check line numbers here.
2856         (generate_results): Only allocate lines for sources with
2857         contents.  Adjust for source array.
2858         (release_structures): Likewise.
2859         (find_source): Return source index, adjust for source array.
2860         (read_graph_file): Return function list.  Don't insert into source
2861         lists here.
2862         (read_count_file): Take list of functions.
2863         (solve_flow_graph): Reverse the arc lists here.
2864         (add_line_counts): Adjust for source array.
2865
2866 2011-11-10  Jakub Jelinek  <jakub@redhat.com>
2867
2868         PR middle-end/51077
2869         * tree-object-size.c (addr_object_size): Check TREE_CODE of
2870         MEM_REF's operand rather than code of the MEM_REF itself.
2871
2872 2011-11-10  Andrew MacLeod  <amacleod@redhat.com>
2873
2874         PR rtl-optimization/51040
2875         * optabs.c (expand_atomic_fetch_op): Patchup code for NAND should
2876         be AND followed by NOT.
2877         * builtins.c (expand_builtin_atomic_fetch_op): Patchup code for NAND
2878         should be AND followed by NOT.
2879
2880 2011-11-10  Jakub Jelinek  <jakub@redhat.com>
2881
2882         * vec.h (VEC_BASE): If base is at offset 0 in the structure,
2883         use &(P)->base even if P is NULL.
2884
2885         PR rtl-optimization/51023
2886         * combine.c (simplify_comparison) <case SIGN_EXTEND>: Don't use
2887         val_signbit_known_clear_p for signed comparison narrowing
2888         optimization.  Don't check for non-VOIDmode, use
2889         HWI_COMPUTABLE_MODE_P macro.
2890         <case ZERO_EXTEND>: Don't check for non-VOIDmode.
2891         Optimize even when const_op is equal to GET_MODE_MASK (mode),
2892         don't optimize if const_op is negative.
2893
2894 2011-11-10  Richard Guenther  <rguenther@suse.de>
2895
2896         PR tree-optimization/51042
2897         * tree-ssa-pre.c (phi_translate_1): Avoid recursing on
2898         self-referential expressions.  Refactor code to avoid duplication.
2899
2900 2011-11-10  Richard Guenther  <rguenther@suse.de>
2901
2902         PR tree-optimization/51070
2903         * tree-loop-distribution.c (generate_builtin): Do not replace
2904         the loop with a builtin if the partition contains statements which
2905         results are used outside of the loop.
2906         (pass_loop_distribution): Verify and collect.
2907
2908 2011-11-10  Richard Guenther  <rguenther@suse.de>
2909
2910         PR tree-optimization/51030
2911         * tree-ssa-phiopt.c (jump_function_from_stmt): New function.
2912         (value_replacement): Use it to handle trivial non-empty
2913         intermediate blocks.
2914
2915 2011-11-10  Richard Guenther  <rguenther@suse.de>
2916
2917         PR middle-end/51071
2918         * gimple.c (gimple_has_side_effects): Remove checking code
2919         that doesn't belong here.
2920
2921 2011-11-10  Ira Rosen  <ira.rosen@linaro.org>
2922
2923         PR tree-optimization/51058
2924         * tree-vect-slp.c (vect_get_constant_vectors): Handle CALL_EXPR.
2925
2926 2011-11-10  Jakub Jelinek  <jakub@redhat.com>
2927
2928         PR tree-optimization/51000
2929         * tree-vect-patterns.c (vect_recog_bool_pattern): If adding
2930         a pattern stmt for a bool store, adjust DR_STMT too.
2931         Don't handle bool conversions to single bit precision lhs.
2932         * tree-vect-stmts.c (vect_remove_stores): If next is a pattern
2933         stmt, remove its related stmt and free its stmt_vinfo.
2934         (free_stmt_vec_info): Free also pattern stmt's vinfo and
2935         pattern def stmt's vinfo.
2936         * tree-vect-loop.c (destroy_loop_vec_info): Don't try to
2937         free pattern stmt's vinfo here.
2938         (vect_transform_loop): When calling vect_remove_stores,
2939         do gsi_next first and don't call gsi_remove.  If not strided
2940         store, free stmt vinfo for gsi_stmt (si) rather than stmt.
2941
2942 2011-11-09  Jakub Jelinek  <jakub@redhat.com>
2943
2944         PR target/50911
2945         * config/i386/i386.c (expand_vec_perm_interleave2): If d->vmode is
2946         V4SImode, !TARGET_SSE2 and punpck[lh]* is needed, change dremap.vmode
2947         to V4SFmode.
2948
2949         * function.h (requires_stack_frame_p): New prototype.
2950         * function.c (requires_stack_frame_p): No longer static.
2951         * config/i386/i386.c (ix86_finalize_stack_realign_flags): If
2952         stack_realign_fp was just a conservative guess for a function
2953         which doesn't use sp/fp/argp at all, clear frame_pointer_needed
2954         and stack realignment.
2955
2956 2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>
2957
2958         PR preprocessor/51061
2959         * incpath.c (merge_include_chains): Make sure to not pass null
2960         pointers to free_path.
2961
2962 2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>
2963
2964         * doc/invoke.texi ([Option Summary, C++ Language Options]):
2965         Add -Wzero-as-null-pointer-constant.
2966
2967 2011-11-07  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2968
2969         * config/arm/arm-cores.def: Add -mcpu=cortex-a7.
2970         * config/arm/arm-tables.opt: Regenerate.
2971         * config/arm/arm-tune.md: Likewise.
2972         * config/arm/bpabi.h (BE8_LINK_SPEC): Add Cortex A-7.
2973         * doc/invoke.texi: Document -mcpu=cortex-a7.
2974
2975 2011-11-09  Richard Guenther  <rguenther@suse.de>
2976
2977         Revert
2978         2011-11-09  Richard Guenther  <rguenther@suse.de>
2979
2980         * tree-cfg.c (verify_gimple_call): Verify that
2981         gimple_call_cannot_inline_p is returning a conservative
2982         correct result according to gimple_check_call_matching_types.
2983
2984 2011-11-09  Richard Guenther  <rguenther@suse.de>
2985
2986         PR tree-optimization/51039
2987         * tree-cfg.c (verify_gimple_call): Verify that
2988         gimple_call_cannot_inline_p is returning a conservative
2989         correct result according to gimple_check_call_matching_types.
2990         * ipa-inline-analysis.c (estimate_function_body_sizes): Remove
2991         code dealing with un-inlinablility.
2992         * gimple-streamer-in.c (input_gimple_stmt): Update the
2993         non-inlinable flag.
2994
2995 2011-11-09  Richard Guenther  <rguenther@suse.de>
2996
2997         PR tree-optimization/51039
2998         * tree-inline.c (setup_one_parameter): Always perform a
2999         valid gimple type change.
3000         (declare_return_variable): Likewise.
3001
3002 2011-11-09  Jakub Jelinek  <jakub@redhat.com>
3003
3004         * config/rs6000/vector.md (vcondv4sfv4si, vcondv4siv4sf,
3005         vconduv4sfv4si): New patterns.
3006         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Handle
3007         different dest_mode from comparison mode.
3008
3009 2011-11-09  Richard Guenther  <rguenther@suse.de>
3010
3011         * gimple-fold.c (canonicalize_constructor_val): Mark
3012         address-taken variables addressable.
3013
3014 2011-11-09  Ira Rosen  <ira.rosen@linaro.org>
3015
3016         PR tree-optimization/51015
3017         * tree-vect-loop.c (vect_determine_vectorization_factor): Expect
3018         vectype to be set for pattern def stmts.
3019
3020 2011-11-09  Alan Modra  <amodra@gmail.com>
3021
3022         * function.c (bb_active_p): Delete.
3023         (dup_block_and_redirect, active_insn_between): New functions.
3024         (convert_jumps_to_returns, emit_return_for_exit): New functions,
3025         split out from..
3026         (thread_prologue_and_epilogue_insns): ..here.  Delete
3027         shadowing variables.  Don't do prologue register clobber tests
3028         when shrink wrapping already failed.  Delete all last_bb_active
3029         code.  Instead compute tail block candidates for duplicating
3030         exit path.  Remove these from antic set.  Duplicate tails when
3031         reached from both blocks needing a prologue/epilogue and
3032         blocks not needing such.
3033         * ifcvt.c (dead_or_predicable): Test both flag_shrink_wrap and
3034         HAVE_simple_return.
3035         * bb-reorder.c (get_uncond_jump_length): Make global.
3036         * bb-reorder.h (get_uncond_jump_length): Declare.
3037         * cfgrtl.c (rtl_create_basic_block): Comment typo fix.
3038         (rtl_split_edge): Likewise.  Warning fix.
3039         (rtl_duplicate_bb): New function.
3040         (rtl_cfg_hooks): Enable can_duplicate_block_p and duplicate_block.
3041         * Makefile.in (function.o): Update dependencies.
3042
3043 2011-11-08  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
3044             Georg-Johann Lay  <avr@gjlay.de>
3045
3046         * doc/tm.texi.in (MODE_CODE_BASE_REG_CLASS): Add address space
3047         argument.
3048         (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3049         * doc/tm.texi: Regenerate.
3050
3051         * config/cris/cris.h (MODE_CODE_BASE_REG_CLASS): Add address
3052         space argument.
3053         (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3054         * config/bfin/bfin.h (MODE_CODE_BASE_REG_CLASS): Likewise.
3055         (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
3056         * config/avr/avr.h (MODE_CODE_BASE_REG_CLASS): Add address space
3057         argument.
3058         (REGNO_MODE_CODE_OK_FOR_BASE_P): Ditto.
3059         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
3060         (avr_regno_mode_code_ok_for_base_p): Ditto.
3061         * config/avr/avr.c (avr_mode_code_base_reg_class): Ditto.
3062         (avr_regno_mode_code_ok_for_base_p): Ditto.
3063         (avr_reg_ok_for_addr_p): Pass AS down to
3064         avr_regno_mode_code_ok_for_base_p.
3065
3066         * addresses.h (base_reg_class): Add address space argument.
3067         Pass to MODE_CODE_BASE_REG_CLASS.
3068         (ok_for_base_p_1): Add address space argument.  Pass to
3069         REGNO_MODE_CODE_OK_FOR_BASE_P.
3070         (regno_ok_for_base_p): Add address space argument.  Pass to
3071         ok_for_base_p_1.
3072
3073         * regrename.c (scan_rtx_address): Add address space argument.
3074         Pass address space to regno_ok_for_base_p and base_reg_class.
3075         Update recursive calls.
3076         (scan_rtx): Pass address space to scan_rtx_address.
3077         (build_def_use): Likewise.
3078         * regcprop.c (replace_oldest_value_addr): Add address space
3079         argument.  Pass to regno_ok_for_base_p and base_reg_class.
3080         Update recursive calls.
3081         (replace_oldest_value_mem): Pass address space to
3082         replace_oldest_value_addr.
3083         (copyprop_hardreg_forward_1): Likewise.
3084
3085         * reload.c (find_reloads_address_1): Add address space argument.
3086         Pass address space to base_reg_class and regno_ok_for_base_p.
3087         Update recursive calls.
3088         (find_reloads_address): Pass address space to base_reg_class,
3089         regno_ok_for_base_p, and find_reloads_address_1.
3090         (find_reloads): Pass address space to base_reg_class.
3091         (find_reloads_subreg_address): Likewise.
3092
3093         * ira-costs.c (record_reg_classes): Update calls to base_reg_class.
3094         (ok_for_base_p_nonstrict): Add address space argument.  Pass to
3095         ok_for_base_p_1.
3096         (record_address_regs): Add address space argument.  Pass to
3097         base_reg_class and ok_for_base_p_nonstrict.  Update recursive calls.
3098         (record_operand_costs): Pass address space to record_address_regs.
3099         (scan_one_insn): Likewise.
3100
3101         * caller-save.c (init_caller_save): Update call to base_reg_class.
3102         * ira-conflicts.c (ira_build_conflicts): Likewise.
3103         * reload1.c (maybe_fix_stack_asms): Likewise.
3104
3105 2011-11-08  Michael Matz  <matz@suse.de>
3106
3107         * gengtype.c (write_field_root): Avoid out-of-scope access of newv.
3108
3109         * tree-stdarg.c (execute_optimize_stdarg): Accept clobbers.
3110
3111         * tree.h (TREE_CLOBBER_P): New macro.
3112         * gimple.h (gimple_clobber_p): New inline function.
3113         * gimplify.c (gimplify_bind_expr): Add clobbers for all variables
3114         that go out of scope and live in memory.
3115         * tree-ssa-operands.c (get_expr_operands): Transfer volatility also
3116         for constructors.
3117         * cfgexpand.c (decl_to_stack_part): New static variable.
3118         (add_stack_var): Allocate it, and remember mapping.
3119         (fini_vars_expansion): Deallocate it.
3120         (stack_var_conflict_p): Add early outs.
3121         (visit_op, visit_conflict, add_scope_conflicts_1,
3122         add_scope_conflicts): New static functions.
3123         (expand_used_vars_for_block): Don't call add_stack_var_conflict, tidy.
3124         (expand_used_vars): Add scope conflicts.
3125         (expand_gimple_stmt_1): Expand clobbers to nothing.
3126         (expand_debug_expr): Ditto.
3127
3128         * tree-pretty-print.c (dump_generic_node): Dump clobbers nicely.
3129         * tree-ssa-live.c (remove_unused_locals): Remove clobbers that
3130         refer to otherwise unused locals.
3131         * tree-sra.c (build_accesses_from_assign): Ignore clobbers.
3132         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Clobbers of
3133         SSA names aren't necessary.
3134         (propagate_necessity): Accept and ignore constructors on the rhs, tidy.
3135         * gimple.c (walk_gimple_op): Accept constructors like mem_rhs.
3136         * tree-ssa-structalias.c (find_func_aliases): Clobbers don't store
3137         any known value.
3138         * tree-ssa-sccvn.c (vn_reference_lookup_3): Ditto, in particular they
3139         don't zero-initialize something.
3140         * tree-ssa-phiopt.c (cond_if_else_store_replacement_1): Ignore
3141         clobber RHS, we don't want PHI nodes with those.
3142
3143 2011-11-08  Jakub Jelinek  <jakub@redhat.com>
3144
3145         * config/i386/i386.c (ix86_preferred_simd_mode): Even for TARGET_AVX
3146         if not TARGET_PREFER_AVX128 return 32-byte integer vectors.
3147
3148 2011-11-08  Richard Guenther  <rguenther@suse.de>
3149
3150         PR tree-optimization/51012
3151         * ipa-prop.c (update_indirect_edges_after_inlining): Fixup
3152         non-inlinable state.
3153         * cgraph.c (cgraph_make_edge_direct): Likewise.
3154
3155 2011-11-08  Eric Botcazou  <ebotcazou@adacore.com>
3156
3157         PR rtl-optimization/47698
3158         * ifcvt.c (noce_operand_ok): Move around comment.
3159
3160 2011-11-08  Richard Guenther  <rguenther@suse.de>
3161
3162         PR lto/50999
3163         * lto-opts.c (append_to_collect_gcc_options): Split out from...
3164         (lto_write_options): ... here.  Prepend frontend specific flags.
3165
3166 2011-11-08  Jakub Jelinek  <jakub@redhat.com>
3167
3168         * config/i386/sse.md (*avx_vperm2f128<mode>3_nozero): Emit mask
3169         0x12 and 0x20 as vinsert[fi]128 instead of vperm2[fi]128.
3170
3171         * tree-vect-stmts.c (vectorizable_call): Add SLP_NODE argument.
3172         Handle vectorization of SLP calls.
3173         (vect_analyze_stmt): Adjust caller, add call to it for SLP too.
3174         (vect_transform_stmt): Adjust vectorizable_call caller, remove
3175         assertion.
3176         * tree-vect-slp.c (vect_get_and_check_slp_defs): For calls start
3177         with op_idx 3.
3178         (vect_build_slp_tree): Allow CALL_EXPR.
3179
3180 2011-11-08  Richard Guenther  <rguenther@suse.de>
3181
3182         * gimple-fold.c (canonicalize_constructor_val): Make sure
3183         we have referenced vars setup before adding to them.
3184
3185 2011-11-07  Richard Henderson  <rth@redhat.com>
3186             Aldy Hernandez  <aldyh@redhat.com>
3187             Andrew MacLeod  <amacleod@redhat.com>
3188             Torvald Riegel  <triegel@redhat.com>
3189
3190         Merged from transactional-memory.
3191
3192         * gtm-builtins.def: New file.
3193         * trans-mem.c: New file.
3194         * trans-mem.h: New file.
3195
3196         * opts.c (finish_options): Error out when using -flto and -fgnu-tm.
3197
3198         * config/i386/i386.c: Define TARGET_VECTORIZE* transactional variants.
3199         (ix86_handle_tm_regparm_attribute, struct bdesc_tm,
3200         ix86_builtin_tm_load, ix86_builtin_tm_store,
3201         ix86_init_tm_builtins): New.
3202         (ix86_init_builtins): Initialize TM builtins.
3203         (struct ix86_attribute_table): Add "*tm regparm".
3204         * config/i386/i386-builtin-types.def (PV2SI): Define.
3205         (PCV2SI): Define.
3206         Define V2SI_FTYPE_PCV2SI.
3207         Define V4SF_FTYPE_PCV4SF.
3208         Define V8SF_FTYPE_PCV8SF.
3209         Define VOID_PV2SI_V2SI.
3210
3211         * doc/invoke.texi (C Dialect Options): Document -fgnu-tm and
3212         tm-max-aggregate-size.
3213         * doc/tm.texi.in: Add TARGET_VECTORIZE_BUILTIN_TM_LOAD and
3214         TARGET_VECTORIZE_BUILTIN_TM_STORE hooks.
3215         * doc/tm.texi: Regenerate.
3216
3217         * attribs.c (apply_tm_attr): New.
3218         (init_attributes): Allow '*' prefix for overrides.
3219         (register_attribute): Likewise.
3220         * builtin-attrs.def (ATTR_TM_TMPURE, ATTR_TM_REGPARM): New.
3221         (ATTR_TM_NOTHROW_LIST, ATTR_TM_TMPURE_NOTHROW_LIST,
3222         ATTR_TM_PURE_TMPURE_NOTHROW_LIST, ATTR_TM_NORETURN_NOTHROW_LIST,
3223         ATTR_TM_CONST_NOTHROW_LIST, ATTR_TMPURE_MALLOC_NOTHROW_LIST,
3224         ATTR_TMPURE_NOTHROW_LIST): New.
3225         * builtin-types.def (BT_FN_I[1248]_VPTR, BT_FN_FLOAT_VPTR,
3226         BT_FN_DOUBLE_VPTR, BT_FN_LDOUBLE_VPTR, BT_FN_VOID_VPTR_I[1248],
3227         BT_FN_VOID_VPTR_FLOAT, BT_FN_VOID_VPTR_DOUBLE,
3228         BT_FN_VOID_VPTR_LDOUBLE, BT_FN_VOID_VPTR_SIZE): New.
3229         * builtins.def: Include gtm-builtins.def. Add comments regarding
3230         transactional memory synchronization.
3231         (DEF_TM_BUILTIN): New.
3232         * c-parser.c (struct c_parser): Add in_transaction.
3233         (c_parser_transaction, c_parser_transaction_expression,
3234         c_parser_transaction_cancel, c_parser_transaction_attributes): New.
3235         (c_parser_attribute_any_word): Split out from c_parser_attributes.
3236         (c_parser_statement_after_labels): Handle RID_TRANSACTION*.
3237         (c_parser_unary_expression): Same.
3238         * c-tree.h (c_finish_transaction): Declare.
3239         * c-typeck.c (c_finish_transaction): New.
3240         (build_function_call_vec): Call tm_malloc_replacement.
3241         * calls.c (is_tm_builtin): New.
3242         (flags_from_decl_or_type): Add ECF_TM_BUILTIN and ECF_TM_PURE.
3243         * cfgbuild.c (make_edges): Add edges for REG_TM notes.
3244         * cfgexpand.c (expand_call_stmt): Call
3245         mark_transaction_restart_calls.
3246         (gimple_expand_cfg): Free the tm_restart map.
3247         (mark_transaction_restart_calls): New.
3248         * cfgrtl.c (purge_dead_edges): Look for REG_TM notes.
3249         * cgraph.c (dump_cgraph_node): Handle tm_clone.
3250         * cgraph.h (struct cgraph_node): Add tm_clone field.
3251         (decl_is_tm_clone): New.
3252         (struct cgraph_local_info): Add tm_may_enter_irr.
3253         (cgraph_copy_node_for_versioning): Declare.
3254         * cgraphunit.c (cgraph_copy_node_for_versioning): Export;
3255         copy analyzed from old version.
3256         * combine.c (distribute_notes): Handle REG_TM notes.
3257         * common.opt: Add -fgnu-tm.
3258         * crtstuff.c (__TMC_LIST__, __TMC_END__): New.
3259         (__do_global_dtors_aux): Deregister clone table.
3260         (frame_dummy): Register clone table.
3261         * emit-rtl.c (try_split): Handle REG_TM. Early return if no function
3262         body.
3263         * gimple-low.c (lower_stmt): Handle GIMPLE_EH_ELSE and
3264         GIMPLE_TRANSACTION.
3265         (gimple_stmt_may_fallthru): Handle GIMPLE_EH_ELSE.
3266         * gimple-pretty-print.c: Include trans-mem.h.
3267         (dump_gimple_fmt): Add %x.
3268         (dump_gimple_call): Dump arguments for calls to _ITM_beginTransaction.
3269         (dump_gimple_eh_else, dump_gimple_transaction): New.
3270         (dump_gimple_stmt): Handle GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
3271         * gimple.c (gimple_build_eh_else, gimple_build_transaction): New.
3272         (walk_gimple_seq): Honor removed_stmt. Document usage of removed_stmt
3273         field.
3274         (walk_gimple_op): Handle GIMPLE_TRANSACTION.
3275         (walk_gimple_stmt): Initialize and honor removed_stmt.
3276         Handle GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
3277         (gimple_copy): Handle GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
3278         * gimple.def (GIMPLE_TRANSACTION, GIMPLE_EH_ELSE): New.
3279         * gimple.h (struct gimple_statement_eh_else,
3280         gimple_statement_transaction, GTMA_*): New.
3281         (gimple_statement_d): Add gimple_statement_eh_else and
3282         gimple_transaction.
3283         (gimple_build_eh_else, gimple_build_transaction,
3284         gimple_fold_call, diagnose_tm_safe_errors): Declare.
3285         (get_call_expr_in): Remove prototype.
3286         (gimple_has_substatements): Add GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
3287         (gimple_eh_else_n_body, gimple_eh_else_e_body,
3288         gimple_eh_else_set_n_body, gimple_eh_else_set_e_body,
3289         gimple_transaction_body, gimple_transaction_label,
3290         gimple_transaction_label_ptr, gimple_transaction_subcode,
3291         gimple_transaction_set_body, gimple_transaction_set_label,
3292         gimple_transaction_set_subcode): New.
3293         (struct walk_stmt_info): Use BOOL_BITFIELD; add removed_stmt.
3294         * gimplify.c (create_tmp_var_name): Use clean_symbol_name.
3295         (voidify_wrapper_expr): Handle TRANSACTION_EXPR.
3296         (gimplify_transaction): New.
3297         (gimplify_expr): Handle TRANSACTION_EXPR.
3298         * gsstruct.def (GSS_EH_ELSE, GSS_TRANSACTION): New.
3299         * ipa-inline.c (can_inline_edge_p): Do not inline TM safe calling
3300         TM pure functions.
3301         * Makefile.in: Add trans-mem.o and dependencies.
3302         (BUILTINS_DEF): Add gtm-builtins.def.
3303         (gimple-pretty-print.o): Depend on TRANS_MEM_H.
3304         (GTFILES): Add trans-mem.c.
3305         * omp-low.c (WALK_SUBSTMTS): Add GIMPLE_TRANSACTION.
3306         * output.h (record_tm_clone_pair, finish_tm_clone_pairs,
3307         get_tm_clone_pair): Declare.
3308         * params.def (PARAM_TM_MAX_AGGREGATE_SIZE): New.
3309         * passes.c (init_optimization_passes): Place transactional memory
3310         passes.
3311         * print-tree.c (print_node): Dump tm-clone.
3312         * recog.c (peep2_attempt): Handle REG_TM.
3313         * reg-notes.def (TM): New.
3314         * rtlanal.c (alloc_reg_note): Handle REG_TM.
3315         * target.def (builtin_tm_load, builtin_tm_store): New.
3316         * targhooks.c (default_builtin_tm_load_store): New.
3317         * targhooks.h (default_builtin_tm_load_store): Declare.
3318         * timevar.def (TV_TRANS_MEM): New.
3319         * toplev.c (compile_file): Call finish_tm_clone_pairs.
3320         * tree-cfg.c (make_edges): Handle GIMPLE_TRANSACTION.
3321         (cleanup_dead_labels): Handle GIMPLE_TRANSACTION. Avoid unnecessary
3322         writes into the statements to update labels.
3323         (is_ctrl_altering_stmt): Add TM ending statements. Handle
3324         GIMPLE_TRANSACTION.
3325         (verify_gimple_transaction): New.
3326         (verify_gimple_stmt): Handle GIMPLE_TRANSACTION.
3327         (verify_gimple_in_seq_2): Handle GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
3328         (gimple_redirect_edge_and_branch): Handle TM_TRANSACTION.
3329         (dump_function_to_file): Display [tm-clone] if applicable.
3330         * tree-eh.c (struct_ptr_eq): Make inline and move to tree.h.
3331         (struct_ptr_hash): Same.
3332         (collect_finally_tree): Handle GIMPLE_EH_ELSE.
3333         (replace_goto_queue_1): Likewise.
3334         (get_eh_else): New.
3335         (honor_protect_cleanup_actions): Handle GIMPLE_EH_ELSE.
3336         (lower_try_finally_nofallthru): Likewise.
3337         (lower_try_finally_onedest): Likewise.
3338         (lower_try_finally_copy): Likewise.
3339         (lower_try_finally_switch): Likewise.
3340         (lower_try_finally): Likewise.
3341         (decide_copy_try_finally): Likewise.
3342         (lower_eh_constructs_2): Likewise.
3343         (refactor_eh_r): Likewise.
3344         * tree-flow.h (struct gimple_df): Add tm_restart field.
3345         Define tm_restart_node.
3346         * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_TRANSACTION.
3347         (estimate_num_insns): Likewise.
3348         (init_inline_once): Init tm_cost.
3349         * tree-inline.h (struct eni_weights_d): Add tm_cost.
3350         * tree-pass.h (pass_diagnose_tm_blocks, pass_lower_tm, pass_tm_init,
3351         pass_tm_mark, pass_tm_memopt, pass_tm_edges, pass_ipa_tm): Declare.
3352         * tree-pretty-print.c (dump_generic_node): Handle TRANSACTION_EXPR.
3353         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle
3354         BUILT_IN_TM_MEMSET, BUILT_IN_TM_MEMCPY, BUILT_IN_TM_MEMMOVE.
3355         Add support for TM vector loads.  Add support for TM logging builtins.
3356         (call_may_clobber_ref_p_1): Add support for vector stores.
3357         * tree-ssa-structalias.c (find_func_aliases): Add support for TM
3358         vector stores and loads. Handle BUILT_IN_TM_MEMSET,
3359         BUILT_IN_TM_MEMCPY, BUILT_IN_TM_MEMMOVE.
3360         * tree.c (strip_invariant_refs): Moved from gimple.c to here.
3361         (local_define_builtin): Handle ECF_TM_PURE.
3362         (build_common_builtin_nodes): Set __builtin_eh_pointer to ECF_TM_PURE.
3363         * tree.def (TRANSACTION_EXPR): New.
3364         * tree.h (strip_invariant_refs): Moved from gimple.h to here.
3365         (TRANSACTION_EXPR_BODY, TRANSACTION_EXPR_CHECK,
3366         TRANSACTION_EXPR_OUTER, TRANSACTION_EXPR_RELAXED,
3367         BUILTIN_TM_LOAD_STORE_P, BUILTIN_TM_LOAD_P, BUILTIN_TM_STORE_P,
3368         CASE_BUILT_IN_TM_LOAD, CASE_BUILT_IN_TM_STORE): New.
3369         (ECF_TM_PURE, ECF_TM_BUILTIN): New.
3370         (struct tree_function_decl): Add tm_clone_flag.
3371         (struct_ptr_eq, struct_ptr_hash): New.
3372         (apply_tm_attr): Declare.
3373         (is_tm_safe_or_pure): New.
3374         (build_tm_abort_call, is_tm_safe, is_tm_pure,
3375         is_tm_may_cancel_outer, is_tm_ending_fndecl, record_tm_replacement,
3376         tm_malloc_replacement): Declare.
3377         * varasm.c (tm_clone_hash): New.
3378         (record_tm_clone_pair, finish_tm_clone_pairs, get_tm_clone_pair,
3379         dump_tm_clone_to_vec, dump_tm_clone_pairs, tm_alias_pair_cmp): New.
3380         (struct tm_alias_pair): New.  Declare VEC types for object.
3381
3382 2011-11-07  Richard Henderson  <rth@redhat.com>
3383
3384         * optabs.h (OTI_sync_compare_and_swap, OTI_sync_lock_test_and_set,
3385         OTI_sync_old_add, OTI_sync_old_sub, OTI_sync_old_ior,
3386         OTI_sync_old_and, OTI_sync_old_xor, OTI_sync_old_nand,
3387         OTI_sync_new_add, OTI_sync_new_sub, OTI_sync_new_ior,
3388         OTI_sync_new_and, OTI_sync_new_xor, OTI_sync_new_nand): Move and
3389         rename from the direct_optab_index enum.
3390         (sync_compare_and_swap_optab, sync_lock_test_and_set_optab,
3391         sync_old_add_optab, sync_old_sub_optab, sync_old_ior_optab,
3392         sync_old_and_optab, sync_old_xor_optab, sync_old_nand_optab,
3393         sync_new_add_optab, sync_new_sub_optab, sync_new_ior_optab,
3394         sync_new_and_optab, sync_new_xor_optab, sync_new_nand_optab): Read
3395         from the optab_table, not the direct_optab_table.
3396         (init_sync_libfuncs): Declare.
3397         (can_compare_and_swap_p): Update parameters.
3398         * optabs.c (init_sync_libfuncs_1, init_sync_libfuncs): New.
3399         (can_compare_and_swap_p): Add allow_libcall parameter; if true,
3400         test for the legacy compare-and-swap libcall.
3401         (expand_atomic_exchange): Use the legacy test-and-set libcall.
3402         (expand_atomic_compare_and_swap): Use the legacy CAS libcall.
3403         (struct atomic_op_functions): Update for optab type changes.
3404         (maybe_emit_op): Likewise.
3405         (expand_atomic_fetch_op): Use the legacy fetch-op libcalls.
3406         * builtins.c (fold_builtin_atomic_always_lock_free): Update call
3407         to can_compare_and_swap_p.
3408         * omp-low.c (expand_omp_atomic_fetch_op): Likewise.
3409         (expand_omp_atomic_pipeline): Likewise.
3410         * genopinit.c (optabs): Make sync_old_*_optab, sync_new_*_optab,
3411         sync_compare_and_swap_optab, sync_lock_test_and_set_optab regular
3412         optabs.
3413         * doc/md.texi (sync_compare_and_swap): Update docs for libcalls.
3414
3415 2011-11-07  Jakub Jelinek  <jakub@redhat.com>
3416
3417         * config/i386/i386-bultin-types.def (V8SI_FTYPE_V4DF_V4DF): Add.
3418         * config/i386/i386.c (enum ix86_builtins): Add
3419         IX86_BUILTIN_VEC_PACK_SFIX256.
3420         (bdesc_args): Add __builtin_ia32_vec_pack_sfix256.
3421         (ix86_expand_args_builtin): Handle V8SI_FTYPE_V4DF_V4DF.
3422         (ix86_builtin_vectorized_function): Also vectorize lrint using
3423         256-bit vectors for -mavx.
3424