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1 2011-12-12  Torvald Riegel  <triegel@redhat.com>
2
3         * tree-ssa-tail-merge.c (gimple_equal_p): Don't treat transaction
4         commits as equal.
5
6 2011-12-12  Iain Sandoe  <iains@gcc.gnu.org>
7
8         * config/darwin-sections.def (zobj_const_data_section): Fix over-
9         length section name.
10
11 2011-12-11  Richard Henderson  <rth@redhat.com>
12
13         * config/rs6000/rs6000.c (rs6000_expand_interleave): Use
14         BYTES_BIG_ENDIAN, not TARGET_BIG_ENDIAN.
15
16 2011-12-11  Jakub Jelinek  <jakub@redhat.com>
17
18         PR tree-optimization/51485
19         * tree-vect-data-refs.c (vect_analyze_data_refs): Give up on
20         DRs in call stmts.
21
22 2011-12-11  Patrick Marlier  <patrick.marlier@gmail.com>
23
24         * trans-mem.c (ipa_tm_transform_calls_redirect): Do not remove
25         edge.
26
27 2011-12-10  Richard Henderson  <rth@redhat.com>
28
29         * config/rs6000/altivec.md (altivec_vmrghb): Rewrite pattern as
30         vec_select + vec_concat.
31         (altivec_vmrghh, altivec_vmrghw, altivec_vmrghsf, altivec_vmrglb,
32         altivec_vmrglh, altivec_vmrglw, altivec_vmrglsf): Likewise.
33         (vec_perm_constv16qi): New.
34         (vec_extract_evenv4si, vec_extract_evenv4sf, vpkuhum_nomode,
35         vpkuwum_nomode, vec_extract_oddv8hi, vec_extract_oddv16qi,
36         vec_interleave_high<VI>, vec_interleave_low<VI>): Remove.
37         * config/rs6000/paired.md (paired_merge00): Rewrite pattern as
38         vec_select + vec_concat.
39         (paired_merge10, paired_merge01, paired_merge11): Likewise.
40         (vec_perm_constv2sf): New.
41         (vec_interleave_highv2sf, vec_interleave_lowv2sf,
42         vec_extract_evenv2sf, vec_extract_oddv2sf): Remove.
43         * config/rs6000/spe.md (spe_evmergehi): Rewrite pattern as
44         vec_select + vec_concat.
45         (spe_evmergehilo, spe_evmergelo, spe_evmergelohi): New.
46         (vec_perm_constv2si): New.
47         * config/rs6000/vector.md (vec_interleave_highv4sf,
48         vec_interleave_lowv4sf, vec_interleave_high<VEC_64>,
49         vec_interleave_low<VEC_64>): Remove.
50         * config/rs6000/vsx.md (VS_double): New mode attribute.
51         (UNSPEC_VSX_XXPERMDI): Remove.
52         (vsx_xxpermdi_<VSX_L>_1): Rewrite pattern as vec_select + vec_concat.
53         (vsx_xxmrghw_<VSX_W>, vsx_xxmrglw_<VSX_W>): Likewise.
54         (vsx_xxpermdi_<VSX_L>): Change to expander.
55         (vec_perm_const<VSX_D>): New.
56         (vsx_mergel_<VSX_D>, vsx_mergeh_<VSX_D>): New.
57         * config/rs6000/predicates.md (const_0_to_1_operand): New.
58         (const_2_to_3_operand): New.
59         * config/rs6000/rs6000.c (TARGET_VECTORIZE_VEC_PERM_CONST_OK): New.
60         (altivec_expand_vec_perm_const): New.
61         (rs6000_expand_vec_perm_const_1, rs6000_expand_vec_perm_const): New.
62         (rs6000_vectorize_vec_perm_const_ok): New.
63         (rs6000_do_expand_vec_perm): New.
64         (rs6000_expand_extract_even, rs6000_expand_interleave): New.
65         * config/rs6000/rs6000-builtin.def (VEC_MERGE*): Update rtx codes.
66         * config/rs6000/rs6000-modes.def: Add double-wide vector modes.
67         * config/rs6000/rs6000-protos.h: Update.
68
69 2011-12-10  Richard Henderson  <rth@redhat.com>
70
71         * expr.c (expand_expr_real_2) [VEC_PERM_EXPR]: Avoid passing a
72         CONST_INT to expand_vec_perm as the selector.
73         * optabs.c (expand_vec_perm): Assert the selector is of a proper mode.
74
75 2011-12-10  Richard Henderson  <rth@redhat.com>
76
77         * genmodes.c (struct mode_data): Remove wider_2x member.
78         (blank_mode): Adjust initializer.
79         (calc_wider_mode): Use XALLOCAVEC.
80         (emit_move_wider): Select double-width same-element vectors for
81         2xwider vectors.
82         * machmode.h (GET_MODE_2XWIDER_MODE): Update documentation.
83         * config/i386/i386.c (doublesize_vector_mode): Remove.
84         (expand_vselect_vconcat): Use GET_MODE_2XWIDER_MODE instead.
85
86 2011-12-10  Joern Rennecke  <joern.rennecke@embecosm.com>
87
88         * config/epiphany/epiphany.h (USE_LOAD_POST_INCREMENT): Define.
89         (USE_LOAD_POST_DECREMENT, USE_STORE_POST_INCREMENT): Likewise.
90         (USE_STORE_POST_DECREMENT): Likewise.
91
92         * config/epiphany/epiphany.h (EPIPHANY_RETURN_REGNO): New macro,
93         broken out of ..
94         (INCOMING_RETURN_ADDR_RTX) .. this.  Use EPIPHANY_RETURN_REGNO.
95         (DWARF_FRAME_RETURN_COLUMN): New macro.
96
97         * config/epiphany/epiphany-protos.h (epiphany_start_function): Declare.
98         * config/epiphany/epiphany.c (epiphany_handle_interrupt_attribute):
99         Split "timer" value into "timer0" and "timer1".
100         Handle page_miss, message and wand.  Don't handle static_flag.
101         Adjust warning text.
102         (epiphany_start_function): New function.
103         (epiphany_compute_function_type): Split "timer" value into "timer0"
104         and "timer1".  Handle page_miss, message and wand.
105         Don't handle static_flag.
106         (epiphany_expand_epilogue): Don't use frame_insn for status / iret
107         restore.
108         * config/epiphany/epiphany.h: ASM_DECLARE_FUNCTION_NAME: Define.
109         (enum epiphany_function_type):
110         Split EPIPHANY_FUNCTION_TIMER value into EPIPHANY_FUNCTION_TIMER0
111         and EPIPHANY_FUNCTION_TIMER1.
112         Remove EPIPHANY_FUNCTION_ILINK1 and EPIPHANY_FUNCTION_ILINK2 values.
113         Add EPIPHANY_FUNCTION_PAGE_MISS and EPIPHANY_FUNCTION_MESSAGE values.
114         Rename EPIPHANY_FUNCTION_STATIC_FLAG to EPIPHANY_FUNCTION_WAND.
115
116 2011-12-10  Nathan Sidwell  <nathan@acm.org>
117
118         PR gcov-profile/51449
119         * coverage.c (coverage_end_function): Always process the coverage
120         variables.
121
122 2011-12-09  Aldy Hernandez  <aldyh@redhat.com>
123
124         PR/51291
125         * tree.c (build_common_builtin_nodes): Do not use TM_PURE
126         attribute unless language has support for TM.
127         * config/i386/i386.c (ix86_init_tm_builtins): Exit gracefully in
128         the absence of TM builtins.
129
130 2011-12-09  Eric Botcazou  <ebotcazou@adacore.com>
131
132         * gimple-fold.c (gimple_fold_stmt_to_constant_1) <GIMPLE_UNARY_RHS>:
133         Also check the TYPE_MODE to recognize useless pointer conversions.
134
135 2011-12-09  Jakub Jelinek  <jakub@redhat.com>
136
137         PR tree-optimization/51117
138         * tree-eh.c (optimize_clobbers): Don't remove just one
139         clobber, but all consecutive clobbers before RESX.
140         Use gimple_clobber_p predicate.
141
142 2011-12-09  Michael Meissner  <meissner@the-meissners.org>
143
144         * config/rs6000/rs6000.c (altivec_expand_builtin): Call
145         expand_call to return a valid funciton instead of return
146         cosnt0_rtx/NULL_RTX if there was an error with the builtin.
147         (altivec_expand_ld_builtin): Ditto.
148         (rs6000_inner_target_options): If VSX is selected as a target
149         attribute or pragma, enable ALTIVEC also.
150         (rs6000_pragma_target_parse): Call rs6000_option_override_internal
151         to do all of the standard processing when switching options,
152         including redefining appropriate macros.
153
154         PR rtl-optimization/51469
155         * varasm.c (default_binds_local_p_1): If the symbol is a gnu
156         indirect function, mark the symbol as non-local.
157
158 2011-12-09  H.J. Lu  <hongjiu.lu@intel.com>
159
160         PR bootstrap/51479
161         * Makefile.in (errors.o): Restored.
162
163 2011-12-09  Richard Guenther  <rguenther@suse.de>
164
165         PR lto/48042
166         * tree.c (free_lang_data_in_decl): Remove freeing conditional
167         on debuginfo level.
168
169 2011-12-09  Joern Rennecke  <joern.rennecke@embecosm.com>
170
171         PR middle-end/40154
172         * emit-rtl.c (set_dst_reg_note): New function.
173         * rtl.h (set_dst_reg_note): Declare.
174         * optabs.c (expand_binop, expand_absneg_bit): Use set_dst_reg_note.
175         (emit_libcall_block, expand_fix): Likewise.
176         * function.c (assign_parm_setup_reg, expand_function_start): Likewise.
177         * expmed.c (expand_mult_const, expand_divmod): Likewise.
178         * reload1.c (gen_reload): Likewise.
179
180         * dse.c (get_stored_val, get_call_args): Use gen_int_mode.
181         * expmed.c (expand_divmod): Likewise.
182         * combine.c (simplify_if_then_else): Likewise.
183
184 2011-12-09  Kai Tietz  <ktietz@redhat.com>
185
186         * ira-color.c (print_hard_regs_subforest): Use
187         HOST_WIDEST_INT_PRINT_DEC instead of %lld.
188         (allocno_hard_regs): Change type of cost member
189         to HOST_WIDEST_INT.
190         (add_allocno_hard_regs): Change type of argument cost
191         to HOST_WIDEST_INT.
192         * ira-conflict.c (build_conflict_bit_table): Replace use
193         of long-long by HOST_WIDEST_INT.
194
195 2011-12-09  Georg-Johann Lay  <avr@gjlay.de>
196
197         PR target/51425
198         * config/avr/avr.md (config/avr/avr.md, *sbix_branch_tmp): Use
199         zero_extract:QIHI instead of zero_extract:HI.
200
201 2011-12-09  Jakub Jelinek  <jakub@redhat.com>
202             Andrew Pinski  <apinski@cavium.com>
203
204         PR tree-optimization/51117
205         * tree-eh.c (optimize_clobbers): New function.
206         (execute_lower_eh_dispatch): Call it.
207
208 2011-12-09  Richard Guenther  <rguenther@suse.de>
209
210         PR tree-optimization/51482
211         * tree-vect-stmts.c (get_vectype_for_scalar_type_and_size):
212         Make sure to only create REAL_TYPE and INTEGER_TYPE component
213         vectors.
214
215 2011-12-09  Kai Tietz  <ktietz@redhat.com>
216
217         * implicit-zee.c (num_realized): Change type to long.
218         (num_ze_opportunities): Likewise.
219
220 2011-12-08  Andrew Pinski  <apinski@cavium.com>
221
222         * config/mips/mips-cpus.def (octeon+): New CPU.
223         * config/mips/mips-tables.opt: Regenerate.
224         * config/mips/mips.h (MIPS_CPP_SET_PROCESSOR): Emit '+' as 'P'.
225
226 2011-12-08  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
227
228         PR middle-end/39976
229         * tree-ssa-dom.c (enum expr_kind): Add EXPR_PHI.
230         (struct hashable_expr): Add struct phi field.
231         (initialize_hash_element): Handle phis; change to use XCNEWVEC.
232         (hashable_expr_equal_p): Handle phis.
233         (iterative_hash_hashable_expr): Likewise.
234         (print_expr_hash_elt): Likewise.
235         (free_expr_hash_elt): Likewise.
236         (dom_opt_enter_block): Create equivalences from redundant phis.
237         (eliminate_redundant_computations): Handle redundant phis.
238         (lookup_avail_expr): Handle phis.
239
240 2011-12-08  Jakub Jelinek  <jakub@redhat.com>
241
242         PR tree-optimization/51466
243         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Also copy
244         TREE_SIDE_EFFECTS.
245
246 2011-12-08  Richard Guenther  <rguenther@suse.de>
247
248         * tree-ssa-operands.c (add_stmt_operand): Do not mark stmts
249         volatile when processing operands of an ADDR_EXPR.
250         (get_indirect_ref_operands): Likewise.
251         (get_tmr_operands): Likewise.
252         (get_expr_operands): Likewise.
253
254 2011-12-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
255
256         PR target/50395
257         * config/s390/s390.c (s390_mainpool_finish): Emit the jump over
258         the literal pool as jump insn.
259
260 2011-12-08  Richard Guenther  <rguenther@suse.de>
261
262         PR tree-optimization/49772
263         * tree-inline.c (optimize_inline_calls): Remove bail out
264         on errors.
265
266 2011-12-08  Richard Guenther  <rguenther@suse.de>
267
268         PR lto/50747
269         * lto-streamer-out.c (produce_symtab): Remove asserts.
270
271 2011-12-08  Richard Guenther  <rguenther@suse.de>
272
273         PR lto/49945
274         * lto-streamer-out.c (tree_is_indexable): Localize variably
275         modified types and their FIELD_DECLs.
276
277 2011-12-08  Eric Botcazou  <ebotcazou@adacore.com>
278
279         PR tree-optimization/51315
280         * tree.h (get_object_or_type_alignment): Declare.
281         * expr.c (get_object_or_type_alignment): Move to...
282         * builtins.c (get_object_or_type_alignment): ...here.  Add assertion.
283         * tree-sra.c (tree_non_mode_aligned_mem_p): Rename to...
284         (tree_non_aligned_mem_p): ...this.  Add ALIGN parameter.  Look into
285         MEM_REFs and use get_object_or_type_alignment for them.
286         (build_accesses_from_assign): Adjust for above change.
287         (access_precludes_ipa_sra_p): Likewise.
288
289 2011-12-08  Richard Guenther  <rguenther@suse.de>
290
291         PR lto/48437
292         * lto-streamer-out.c (tree_is_indexable): Exclude block-local
293         extern declarations.
294
295 2011-12-07  Andrew Pinski  <apinski@cavium.com>
296
297         PR middle-end/45416
298         * expr.c (do_store_flag): Rewrite code that looks for BIT_AND_EXPR for
299         SSA-expand.
300
301 2011-12-07  Richard Guenther  <rguenther@suse.de>
302
303         PR tree-optimization/50823
304         * ipa-inline.c (edge_badness): Do not account for the number of
305         remaining calls.
306
307 2011-12-07  Martin Jambor  <mjambor@suse.cz>
308
309         PR tree-optimization/50744
310         * ipa-cp.c (good_cloning_opportunity_p): Assert size_cost is positive,
311         compute evaluation in HOST_WIDEST_INT.
312         (safe_add): New function
313         (propagate_effects): Use safe_add to accumulate effects.
314
315 2011-12-06  Joel Sherrill <joel.sherrill@oarcorp.com>
316
317         * config/rs6000/rtems.h: Switch to using global_options_set
318         in SUBSUBTARGET_OVERRIDE_OPTIONS.
319
320 2011-12-06  David S. Miller  <davem@davemloft.net>
321
322         * config/sparc/visintrin.h: Add appropriate __VIS__ cpp protection.
323
324 2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
325
326         * config/avr/avr.c (avr_file_start): Fix missing ,
327
328 2011-12-06  Jakub Jelinek  <jakub@redhat.com>
329
330         PR target/51354
331         * config/i386/i386.c (ix86_emit_leave): Call ix86_add_cfa_restore_note
332         unconditionally.
333
334 2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
335
336         Forward-port from gcc-4_6-branch r181936 2011-12-02.
337         * config/avr/avr-mcus.def (avr_mcu_types): ATtiny4313 and
338         AT86RF401 have a 16-bit SP (their manual is bogus).
339
340 2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
341
342         Forward-port from gcc-4_6-branch r181936 2011-12-02.
343
344         PR target/51002
345         * config/avr/avr.md (movhi_sp_r): Set insn condition to
346         !AVR_HAVE_8BIT_SP.
347         * config/avr/avr.c (output_movhi): Use "clr%B0" instead of "in
348         %B0,__SP_H__" if AVR_HAVE_8BIT_SP.
349         (avr_file_start): Only print "__SP_H__ = 0x3e" if !AVR_HAVE_8BIT_SP.
350
351 2011-12-06  Georg-Johann Lay  <avr@gjlay.de>
352
353         PR target/51409
354         PR target/49868
355         * config/avr/avr.h (ADDR_SPACE_PGM, ADDR_SPACE_PGM1,
356         ADDR_SPACE_PGM2, ADDR_SPACE_PGM3, ADDR_SPACE_PGM4,
357         ADDR_SPACE_PGM5, ADDR_SPACE_PGMX): Write as enum.
358         (avr_addrspace_t): New typedef.
359         (avr_addrspace): New declaration.
360         * config/avr/avr-c.c (avr_toupper): New static function.
361         (avr_register_target_pragmas, avr_cpu_cpp_builtins): Use
362         avr_addrspace to get address space information.
363         * config/avr/avr.c (avr_addrspace): New variable.
364         (avr_out_lpm, avr_pgm_check_var_decl, avr_insert_attributes,
365         avr_asm_named_section, avr_section_type_flags,
366         avr_asm_select_section, avr_addr_space_address_mode, 
367         avr_addr_space_convert, avr_emit_movmemhi): Use it.
368         (avr_addr_space_pointer_mode): Forward to avr_addr_space_address_mode.
369         (avr_pgm_segment): Remove.
370
371 2011-12-06  Richard Guenther  <rguenther@suse.de>
372
373         PR middle-end/50601
374         * varasm.c (assemble_alias): Move DECL_EXTERNAL implementation
375         quirk adjustjment ...
376         * passes.c (rest_of_decl_compilation): ... here.
377
378 2011-12-06  Richard Guenther  <rguenther@suse.de>
379
380         PR middle-end/51436
381         * gimple-fold.c (gimplify_and_update_call_from_tree): Guard
382         vdef check for the fact we do not have virtual operands when
383         not optimizing.
384
385 2011-12-06  Richard Guenther  <rguenther@suse.de>
386
387         PR tree-optimization/51245
388         * tree-ssa-sccvn.c (vn_reference_lookup_or_insert_constant_for_pieces):
389         New function.
390         (vn_reference_lookup_3): Use it.  Properly valueize all refs
391         we create.
392
393 2011-12-06  Iain Sandoe  <iains@gcc.gnu.org>
394
395         * config/rs6000/rs6000.c (darwin_rs6000_override_options): Initialize
396         rs6000_current_abi.
397
398 2011-12-06  Richard Guenther  <rguenther@suse.de>
399
400         PR tree-optimization/51363
401         * gimple.c (gimple_rhs_has_side_effects): Remove.
402         * gimple.h (gimple_rhs_has_side_effects): Likewise.
403         * tree-ssa-dom.c (optimize_stmt): Simplify conditional.
404
405 2011-12-06  Alan Modra  <amodra@gmail.com>
406
407         PR target/50906
408         * config/rs6000/rs6000.c (rs6000_emit_prologue <TARGET_SPE_ABI>):
409         Do not mark r11 setup as frame-related.  Pass correct offset to
410         rs6000_emit_savres_rtx.  Correct out-of-line rs6000_frame_related
411         arguments.  Correct sp_offset.  Remove "offset" fudge from
412         in-line rs6000_frame_related call.  Rename misleading variable.
413         Fix comments and whitespace.  Tidy some expressions.
414         (rs6000_emit_epilogue <TARGET_SPE_ABI>): Always set frame_reg_rtx
415         to r11 in out-of-line case.  Correct sp_offset.  Pass correct
416         offset to rs6000_emit_savres_rtx.  Rename misleading variable.
417         Fix comments and whitespace.  Tidy some expressions.
418         (rs6000_emit_epilogue <non-TARGET_SPE_ABI>): Add sp_offset
419         adjustment when !saving_GPRs_inline.  Correct register mode
420         used in address calcs.
421         (rs6000_emit_epilogue <non-TARGET_SPE_ABI>): Similarly when
422         !restoring_GPRs_inline.
423
424 2011-12-06  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
425
426         * config/arm/vfp.md (*combine_vcvt_f64_<FCVTI32typename>): Fix
427         formatting character for vmov.f64 case.
428
429 2011-12-05  Jakub Jelinek  <jakub@redhat.com>
430
431         PR tree-optimization/51396
432         * tree-ssa-math-opts.c (convert_mult_to_fma): Don't optimize
433         if MUL_RESULT has zero uses.
434
435         PR debug/51410
436         * c-decl.c (pop_scope): Don't add DECL_EXTERNAL decls
437         for debug info if scope is file_scope.
438
439         PR c/51339
440         * c-decl.c (c_finish_incomplete_decl, finish_decl): Call
441         relayout_decl instead of layout_decl.
442
443 2011-12-05  Richard Sandiford  <rdsandiford@googlemail.com>
444
445         * resource.c (init_resource_info): Only consider EXIT_IGNORE_STACK
446         if there is in epilogue.
447
448 2011-12-05  Richard Sandiford  <rdsandiford@googlemail.com>
449
450         * optabs.c (maybe_emit_sync_lock_test_and_set): Pass a null target
451         to emit_library_call_value.
452         (expand_atomic_compare_and_swap): Likewise.
453
454 2011-12-05  Vladimir Makarov  <vmakarov@redhat.com>
455
456         PR other/50775
457         * ira-int.h (struct ira_object): Remove add_data.
458         (OBJECT_ADD_DATA): Remove.
459
460         * ira-build.c (ira_create_object): Remove OBJECT_ADD_DATA
461         initialization.
462
463         * ira-color.c (object_hard_regs_t, object_hard_regs): Rename to
464         allocno_hard_regs_t, allocno_hard_regs.
465         (object_hard_regs_node_t, object_hard_regs_node): Rename to
466         allocno_hard_regs_node_t and allocno_hard_regs_node.
467         (struct allocno_color_data): Add new member last_process.  Move
468         profitable_hard_regs, hard_regs_node, and hard_regs_subnodes_start
469         from object_color_data.
470         (object_color_data_t, object_color_data, OBJECT_COLOR_DATA):
471         Remove.
472         (curr_allocno_process): New static variable.
473         (object_hard_regs_eq, object_hard_regs_htab): Rename to
474         allocno_hard_regs_eq and allocno_hard_regs_htab.
475         (init_object_hard_regs, finish_object_hard_regs): Rename to
476         init_allocno_hard_regs and finish_allocno_hard_regs.
477         (object_hard_regs_compare, object_hard_regs_node_t): Rename to
478         allocno_hard_regs_compare and allocno_hard_regs_node_t.
479         (create_new_object_hard_regs_node): Rename to
480         create_new_allocno_hard_regs_node.
481         (add_new_object_hard_regs_node_to_forest): Rename to
482         add_new_allocno_hard_regs_node_to_forest.
483         (add_object_hard_regs_to_forest, collect_object_hard_regs_cover):
484         Rename to add_allocno_hard_regs_to_forest and collect_allocno_hard_regs_cover.
485         (setup_object_hard_regs_nodes_parent): Rename to setup_allocno_hard_regs_nodes_parent.
486         (remove_unused_object_hard_regs_nodes): Rename to remove_unused_allocno_hard_regs_nodes.
487         (enumerate_object_hard_regs_nodes, object_hard_regs_nodes_num):
488         Rename to enumerate_allocno_hard_regs_nodes and allocno_hard_regs_nodes_num.
489         (object_hard_regs_nodes, object_hard_regs_subnode_t): Rename to
490         allocno_hard_regs_nodes and allocno_hard_regs_subnode_t.
491         (object_hard_regs_subnode, object_hard_regs_subnodes): Rename to
492         allocno_hard_regs_subnode and allocno_hard_regs_subnodes.
493         (object_hard_regs_subnode_index): Rename to allocno_hard_regs_subnode_index.
494         (setup_object_hard_regs_subnode_index): Rename to
495         setup_allocno_hard_regs_subnode_index.
496         (get_object_hard_regs_subnodes_num): Rename to get_allocno_hard_regs_subnodes_num.
497         (form_object_hard_regs_nodes_forest): Rename to form_allocno_hard_regs_nodes_forest.
498         (finish_object_hard_regs_nodes_tree): Rename to form_allocno_hard_regs_nodes_forest
499         (finish_object_hard_regs_nodes_forest): Rename to
500         finish_allocno_hard_regs_nodes_forest.
501         (setup_left_conflict_sizes_p): Use allocno data instead of object
502         ones.  Process conflict allocnos once.
503         (update_left_conflict_sizes_p): Use allocno data instead of object
504         ones.  Change prototype signature.
505         (empty_profitable_hard_regs): Use allocno data instead of object
506         ones.
507         (setup_profitable_hard_regs): Ditto.
508         (get_conflict_profitable_regs): Rename to
509         get_conflict_and_start_profitable_regs.  Use allocno data for
510         profitable regs calculation.
511         (check_hard_reg_p): Change prototype signature.  Check profitable
512         regs for allocno not the objects.
513         (assign_hard_reg): Process conflict allocnos only once for
514         updating conflict costs.
515         (setup_allocno_available_regs_num): Use allocno data instead of
516         object ones.  Modify debug output.
517         (color_pass): Remove initialization and finalization of object
518         color data.
519
520 2011-12-05  Kazu Hirata  <kazu@codesourcery.com>
521
522         PR target/51408
523         * config/arm/arm.md (*minmax_arithsi): Always require the else
524         clause in the MINUS case.
525
526 2011-12-05  Richard Guenther  <rguenther@suse.de>
527
528         PR tree-optimization/50904
529         * tree-ssa-loop-im.c (struct mem_ref): Remove vops member.
530         (MEM_ANALYZABLE): New.
531         (memory_references): Remove clobbered_vops and vop_ref_map
532         members, add all_refs_stored_in_loop member.
533         (memref_free): Adjust.
534         (mem_ref_alloc): Likewise.
535         (gather_mem_refs_stmt): Do not record clobbers, instead
536         record refs for unanalyzable stmts.
537         (gather_mem_refs_in_loops): Do not propagate clobbers.
538         (struct vop_to_refs_elt, vtoe_hash, vtoe_eq, vtoe_free,
539         record_vop_access, get_vop_accesses, get_vop_stores,
540         add_vop_ref_mapping): Remove.
541         (create_vop_ref_mapping_loop): Adjust to simply record all
542         stores.
543         (analyze_memory_references): Adjust.
544         (refs_independent_p): Check for not analyzable refs.
545         (can_sm_ref_p): Likewise.
546         (ref_indep_loop_p_1): Simplify.
547         (tree_ssa_lim_finalize): Adjust.
548
549         * tree-ssa-loop-im.c (stmt_cost): Simplify, use LIM_EXPENSIVE
550         rather than magic constants.  Assign zero cost to PAREN_EXPR
551         and SSA_NAME copies.  Assign cost proportional to the vector
552         size for vector constructors.
553
554 2011-12-05  Richard Guenther  <rguenther@suse.de>
555
556         * tree-ssa-alias.h (struct ao_ref_s): Add volatile_p field.
557         * tree-ssa-alias.c (ao_ref_init): Initialize it.
558         (ao_ref_init_from_ptr_and_size): Likewise.
559         (refs_may_alias_p_1): Two volatile accesses conflict.
560         (ref_maybe_used_by_call_p_1): Likewise.
561         (call_may_clobber_ref_p_1): Likewise.
562         * tree-ssa-sccvn.c (ao_ref_init_from_vn_reference): Initialize
563         volatile_p field.
564
565 2011-12-05  Richard Guenther  <rguenther@suse.de>
566
567         * tree-ssa.c (verify_ssa): Verify SSA names in the loop
568         over all SSA names.  Remove SSA operand checking, call
569         verify_ssa_operands.
570         * tree-ssa-operands.h (verify_ssa_operands): Declare.
571         * tree-ssa-operands.c (verify_ssa_operands): New function.
572
573 2011-12-05  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
574
575         * config/arm/arm.c (vfp3_const_double_for_fract_bits): Define.
576         * config/arm/arm-protos.h (vfp3_const_double_for_fract_bits): Declare.
577         * config/arm/constraints.md ("Dt"): New constraint.
578         * config/arm/predicates.md
579         (const_double_vcvt_power_of_two_reciprocal): New.
580         * config/arm/vfp.md (FCVTI32typename): New.
581         (FCVT): New iterator.
582         (*combine_vcvt_f32_<FCVTI32typename>): New.
583         (*combine_vcvt_f64_<FCVTI32typename>): New.
584
585 2011-12-05  Richard Guenther  <rguenther@suse.de>
586
587         * cgraph.c (cgraph_create_edge_1): Initialize
588         call_stmt_cannot_inline_p from the stmt if possible.
589         (cgraph_make_edge_direct): Likewise.
590         * gimple-streamer-in.c (input_gimple_stmt): Do not
591         call gimple_call_set_cannot_inline.
592         * gimple.h (enum gf_mask): Remove GF_CALL_CANNOT_INLINE, shift
593         values.
594         (gimple_call_set_cannot_inline): Remove.
595         (gimple_call_cannot_inline_p): Likewise.
596         * ipa-inline-analysis.c (initialize_inline_failed): Look
597         at the edge call_stmt_cannot_inline_p flag.
598         * ipa-inline.c (can_inline_edge_p): Likewise.
599         (early_inliner): Only update the edge flag.
600         * ipa-prop.c (update_indirect_edges_after_inlining): Likewise.
601         (ipa_modify_call_arguments): Do not call gimple_call_set_cannot_inline.
602         * cgraphunit.c (assemble_thunk): Likewise.
603         * gimple-fold.c (gimple_fold_call): Likewise.
604
605         * tree.h (CALL_CANNOT_INLINE_P): Remove.
606         * tree-mudflap.c (mf_xform_statements): Do not modify alloca calls.
607         * builtins.c (expand_builtin_alloca): With -fmudflap do not expand
608         alloca calls inline.
609         * cfgexpand.c (expand_call_stmt): Do not set CALL_CANNOT_INLINE_P.
610         * gimple.c (gimple_build_call_from_tree): Do not read
611         CALL_CANNOT_INLINE_P.
612         * gimplify.c (gimplify_call_expr): Do not copy CALL_CANNOT_INLINE_P.
613
614 2011-12-05  Jakub Jelinek  <jakub@redhat.com>
615             Eric Botcazou  <ebotcazou@adacore.com>
616
617         PR middle-end/51323
618         PR middle-end/50074
619         * calls.c (internal_arg_pointer_exp_state): New variable.
620         (internal_arg_pointer_based_exp_1,
621         internal_arg_pointer_exp_scan): New functions.
622         (internal_arg_pointer_based_exp): New function.
623         (mem_overlaps_already_clobbered_arg_p): Use it.
624         (expand_call): Free internal_arg_pointer_exp_state.cache vector
625         and clear internal_arg_pointer_exp_state.scan_start.
626
627 2011-12-04  Kaz Kojima  <kkojima@gcc.gnu.org>
628
629         * config/sh/linux.h (TARGET_DEFAULT): Add MASK_SOFT_ATOMIC.
630         * config/sh/sync.md: New file.
631         * config/sh/sh.md: Include sync.md.
632         * config/sh/sh.opt (msoft-atomic): New option.
633         * doc/invoke.texi (SH Options): Document it.
634
635 2011-12-04  Nathan Sidwell  <nathan@acm.org>
636
637         * gcov-io.h (struct gcov_info): Replace trailing array with
638         pointer to array.
639         * profile.c (branch_prob): Only call renamed
640         coverage_begin_function once.
641         * coverage.h (coverage_begin_output): Rename to ...
642         (coverage_begin_function): ... here.
643         * coverage.c (struct function_list): Rename to ...
644         (struct coverage_data): ... this.  Update all uses.
645         (gcov_info_var, gcov_fn_info_type, gcov_fn_info_ptr_type): New
646         globals.
647         (bbg_file_opened, bbg_function_announced): Remove.
648         (get_coverage_counts): Adjust message.
649         (coverage_begin_ouput): Rename to ...
650         (coverage_begin_function): ... here.  Move file opening to
651         coverage_init.  Adjust for being called only once.
652         (coverage_end_function): Remove bbg file and inhibit further
653         output here on error.
654         (build_info_type): Adjust for change to pointer to array.
655         (build_info): Receive array of function pointers and adjust.
656         (create_coverage): Break into ...
657         (coverage_obj_init, coverage_obj_fn, coverage_obj_finish):
658         ... these, and adjust.
659         (coverage_init): Open the notes file here.  Tidy.
660         (coverage_finish): Call coverage_obj_init etc.
661
662 2011-12-04  Ira Rosen  <ira.rosen@linaro.org>
663
664         PR middle-end/51285
665         * tree-vect-loop.c (vect_create_epilog_for_reduction): Create exit
666         phi nodes for outer loop in case of double reduction.
667
668 2011-12-04  Jérémie Detrey  <Jeremie.Detrey@loria.fr>
669
670         PR target/51393
671         * config/i386/avxintrin.h (_mm256_insert_epi64): Declare second
672         parameter as long long.
673
674 2011-12-04  Richard Sandiford  <rdsandiford@googlemail.com>
675
676         PR middle-end/51351
677         * optabs.c (init_sync_libfuncs): Use "or" rather than "ior"
678         in the external names.
679
680 2011-12-03  Jack Howarth <howarth@bromo.med.uc.edu>
681
682         * config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Pass -no_pie for
683         non-PIC code when targeting 10.7 or later.
684
685 2011-12-03  Iain Sandoe  <iains@gcc.gnu.org>
686
687         * config/darwin.h (STARTFILE_SPEC): Do not use -lbundle1.o when
688         Darwin >= 10.
689         (DARWIN_DYLIB1_SPEC): Do not use -ldylib1.10.5.o when Darwin >= 10.
690         (DARWIN_CRT1_SPEC): Use -lcrt1.10.6.o when Darwin >= 10.
691
692 2011-12-03  Jakub Jelinek  <jakub@redhat.com>
693
694         * fold-const.c (fold_unary_loc): Fold VEC_UNPACK_LO_EXPR,
695         VEC_UNPACK_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
696         VEC_UNPACK_FLOAT_HI_EXPR with VECTOR_CST argument.
697         (fold_binary_loc): Fold VEC_PACK_TRUNC_EXPR,
698         VEC_PACK_FIX_TRUNC_EXPR, VEC_WIDEN_MULT_LO_EXPR
699         and VEC_WIDEN_MULT_HI_EXPR with VECTOR_CST arguments.
700
701         PR debug/50317
702         * tree-ssa.c (target_for_debug_bind): Also allow is_gimple_reg_type
703         vars that aren't referenced.
704         (tree-ssa-live.c (remove_unused_locals): Don't clear TREE_ADDRESSABLE
705         of unreferenced local vars.
706         * cfgexpand.c (expand_debug_expr): For DEBUG_IMPLICIT_PTR allow also
707         TREE_ADDRESSABLE vars that satisfy target_for_debug_bind.
708
709 2011-12-03  Anatoly Sokolov  <aesok@post.ru>
710
711         * config/arm/arm.h (LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Remove.
712         * config/arm/arm-protos.h (aapcs_libcall_value): Remove.
713         * config/arm/arm.c (TARGET_FUNCTION_VALUE_REGNO_P): Define.
714         (arm_libcall_value_1, arm_function_value_regno_p): New function.
715         (arm_function_value, arm_libcall_value): Use arm_libcall_value_1.
716         (aapcs_libcall_value): Make static.
717         (arm_libcall_value): Add static qualifier.
718
719 2011-12-02  Jakub Jelinek  <jakub@redhat.com>
720
721         PR target/51387
722         * config/i386/sse.md (mul<mode>3 with VI1_AVX2 iterator): For
723         V32QImode use { 0,2,..,14,32,34,..,46,16,18,..,30,48,50,..,62 }
724         permutation instead of extract even permutation.
725
726 2011-12-02  Nathan Sidwell  <nathan@acm.org>
727
728         * gcov.c (struct arc_info): Add is_throw field.
729         (struct (block_info): Add exceptional field, reduce flags size to
730         account for it.
731         (struct function_info): Add has_catch field.
732         (struct line_info): Add unexceptional field.
733         (process_file): Call find_exception_blocks if necessary.
734         (read_graph_file): Adjust.  Note if an exceptional edge is seen.
735         (find_exception_blocks): New.
736         (add_line_counts): Set line's unexceptional flag if not
737         exceptional.
738         (output_branch_count): Note exceptional arcs, lines and blocks.
739         * gcov-dump.c (tag_arcs): Decode arc flags.
740         * doc/gcov.texi: Document '=====' lines.
741
742 2011-12-02  Anatoly Sokolov  <aesok@post.ru>
743
744         * config/ia64/ia64.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS,
745         PRINT_OPERAND_PUNCT_VALID_P): Remove macros.
746         * config/ia64/ia64-protos.h (ia64_print_operand,
747         ia64_print_operand_address): Remove.
748         * config/ia64/ia64.c (TARGET_PRINT_OPERAND,
749         TARGET_PRINT_OPERAND_ADDRESS, TARGET_PRINT_OPERAND_PUNCT_VALID_P):
750         Define.
751         (ia64_print_operand_punct_valid_p): New function.
752         (ia64_print_operand, ia64_print_operand_address): Make static.
753
754 2011-12-02  Michael Meissner  <meissner@the-meissners.org>
755
756         PR target/51390
757         * config/rs6000/rs6000.c (def_builtin): Use the correct field to
758         figure out the function's attributes.
759         (struct builtin_description): Mark mask field as const since we no
760         longer need to modify it for SPE and PAIRED builtins.
761
762 2011-12-02  Joseph Myers  <joseph@codesourcery.com>
763
764         Revert:
765
766         2008-09-18  Andrew Pinski  <andrew_pinski@playstation.sony.com>
767
768         PR rtl-opt/37451
769         * loop-doloop.c (doloop_modify): New argument zero_extend_p and
770         zero extend count after the correction to it is done.
771         (doloop_optimize): Update call to doloop_modify, don't zero extend
772         count before call.
773
774         2008-11-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
775
776         PR rtl-opt/37782
777         * loop-doloop.c (doloop_modify): Add from_mode argument that says what
778         mode count is in.
779         (doloop_optimize): Update call to doloop_modify.
780
781 2011-12-02  Richard Guenther  <rguenther@suse.de>
782
783         PR lto/47259
784         * ipa.c (varpool_externally_visible_p): Register variables
785         are always externally visible.
786
787 2011-12-02  Sameera Deshpande  <sameera.deshpande@arm.com>
788
789         * gimple-pretty-print.c (dump_gimple_call): Dereference fn only if
790           non-NULL.
791
792 2011-12-02  Martin Jambor  <mjambor@suse.cz>
793
794         PR tree-optimization/50622
795         * tree-sra.c (load_assign_lhs_subreplacements): Force gimple operand
796         if both lacc and racc are grp_partial_lhs.
797
798 2011-12-01  Kaz Kojima  <kkojima@gcc.gnu.org>
799
800         PR target/50814.
801         * config/sh/sh.c (expand_ashiftrt): Handle TARGET_SH2A same as
802         TARGET_SH3.
803         (shl_sext_kind): Likewise.
804         * config/sh/sh.h (SH_DYNAMIC_SHIFT_COST): Likewise.
805         * config/sh/sh.md (ashlsi3_sh2a, ashrsi3_sh2a, lshrsi3_sh2a): Remove.
806         (ashlsi3_std): Handle TARGET_SH2A same as TARGET_SH3.
807         (ashlsi3): Likewise.
808         (ashrsi3_d): Likewise.
809         (lshrsi3_d): Likewise.
810         (lshrsi3): Likewise.
811
812 2011-12-01  Diego Novillo  <dnovillo@google.com>
813
814         PR bootstrap/51346
815         * ipa-inline.c (can_inline_edge_p): If the edge E has a statement,
816         use the statement's inline indicator instead of E's.
817         Remove consistency check.
818
819 2011-12-01  Diego Novillo  <dnovillo@google.com>
820
821         PR bootstrap/51346
822         Revert
823
824         2011-11-29  Diego Novillo  <dnovillo@google.com>
825
826         * gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.
827         Update field call_stmt_cannot_inline_p from call
828         graph edge, if needed.
829         * gimple.h (gimple_call_set_cannot_inline): Move to gimple.c.
830
831 2011-12-01  Nathan Sidwell  <nathan@acm.org>
832
833         PR gcov-profile/51113
834         * coverage.c (build_var): Keep coverage variables static.
835
836 2011-12-01  Jakub Jelinek  <jakub@redhat.com>
837
838         PR tree-optimization/51356
839         * tree-vect-patterns.c (vect_recog_bool_pattern): Give up if
840         vectype doesn't have VECTOR_MODE_P.
841
842         PR debug/50317
843         * tree-ssa-dce.c (remove_dead_stmt): Add a debug stmt when removing
844         as unnecessary a store to a variable with gimple reg type.
845         * tree-ssa-live.c (remove_unused_locals): Clear TREE_ADDRESSABLE bit
846         on local unreferenced variables.
847         * cfgexpand.c (expand_gimple_basic_block): Don't emit DEBUG_INSNs
848         for !target_for_debug_bind variables.
849
850 2011-12-01  Patrick Marlier  <patrick.marlier@gmail.com>
851
852         PR middle-end/51273
853         * cgraph.h (cgraph_call_node_duplication_hooks): Declare.
854         * cgraph.c (cgraph_call_node_duplication_hooks): Make global.
855         * cgraphunit.c (cgraph_copy_node_for_versioning): Call it.
856
857 2011-12-01  Andrew Pinski  <apinski@cavium.com>
858
859         PR lto/51198
860         * tree.c (free_lang_data_in_decl): Clear FIELD_DECL's
861         DECL_INITIAL also.
862
863 2011-12-01  Jakub Jelinek  <jakub@redhat.com>
864
865         PR tree-optimization/51246
866         * tree-predcom.c (replace_ref_with): Handle also clobber on the rhs.
867
868         PR rtl-optimization/51014
869         * loop-unroll.c (apply_opt_in_copies): Ignore label DEBUG_INSNs
870         both from bb and orig_bb.
871
872 2011-12-01  Joern Rennecke  <joern.rennecke@embecosm.com>
873
874         PR tree-optimization/50802
875         * tree-vrp.c (simplify_conversion_using_ranges): Rewrite test
876         considering what happens to ranges during sign changes and/or
877         intermediate narrowing conversions.
878
879 2011-11-30  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
880
881         PR middle-end/50283
882         * config/pa/pa.md (in_branch_delay): Disallow frame related insns.
883         (in_nullified_branch_delay): Likewise.
884         (in_call_delay): Likewise.
885
886 2011-11-30  Richard Henderson  <rth@redhat.com>
887
888         * predict.c (expr_expected_value_1): Assume compare-and-swap builtin
889         boolean return is true.
890
891 2011-11-30  Jakub Jelinek  <jakub@redhat.com>
892
893         PR rtl-optimization/51044
894         * dse.c (emit_inc_dec_insn_before): Ensure new_insn is an instruction
895         rather than just insn body.
896
897         PR target/50725
898         * function.c (thread_prologue_and_epilogue_insns): If
899         stack_realign_drap, add drap_reg to SET_UP_BY_PROLOGUE
900         regset.
901
902         PR middle-end/51089
903         * tree-eh.c (cleanup_empty_eh_merge_phis): Add check to
904         avoid creating duplicate edges here.
905         (cleanup_empty_eh_unsplit): And remove it in the caller.
906
907 2011-11-30  Andrew Pinski  <apinski@cavium.com>
908
909         PR c/51321
910         * c-parser.c (c_parser_postfix_expression): Check groktypename results
911         before looking at the main variant.
912
913 2011-11-30  Jakub Jelinek  <jakub@redhat.com>
914
915         PR rtl-optimization/48721
916         * sched-deps.c (sched_analyze_insn): For SIBLING_CALL_P set
917         reg_pending_barrier to TRUE_BARRIER.
918
919         PR rtl-optimization/48721
920         * sched-ebb.c (begin_move_insn): Insert empty unreachable
921         block after BARRIER if insn is followed by it.
922
923 2011-11-30  Richard Henderson  <rth@redhat.com>
924
925         * config/sparc/sparc-opts.h (enum sparc_memory_model_type): New.
926         * config/sparc/sparc.opt (mmemory-model=): New option.
927         * doc/invoke.texi (Sparc Options): Document it.
928         * config/sparc/sparc.c (sparc_option_override): Provide default
929         for sparc_memory_model.
930         (sparc_emit_membar_for_model): Omit barrier combinations that are
931         implied by the memory model.
932
933 2011-11-30  Richard Henderson  <rth@redhat.com>
934
935         * config/sparc/sync.md (I124MODE): New mode iterator.
936         (memory_barrier): Remove.
937         (atomic_exchangesi): New.
938         (swapsi): Rename from *swapsi.
939         (atomic_test_and_set<I124MODE>): New.
940         (ldstubqi): Rename from *ldstubqi, merge with expander.
941         (ldstub<I24MODE>): Rename from *ldstub<I24MODE>, merge with expander.
942         (sync_lock_test_and_setsi): Remove.
943         (sync_lock_test_and_set<I12MODE>): Remove.
944
945 2011-11-30  Richard Henderson  <rth@redhat.com>
946
947         * config/sparc/constraints.md ("w"): New.
948         * config/sparc/predicates.md (mem_noofs_operand): New.
949         * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Make static.
950         Generate the boolean result of the atomic_compare_exchange.
951         (sparc_expand_compare_and_swap): New.
952         * config/sparc/sync.md (atomic_compare_and_swap<I>): New.
953         (atomic_compare_and_swap<I48MODE>_1): Rename from
954         *sync_compare_and_swap<I48MODE>, use mem_noofs_operand.
955         (*atomic_compare_and_swapdi_v8plus): Rename from
956         *sync_compare_and_swapdi_v8plus, use mem_noofs_operand.
957         (sync_compare_and_swap<I12MODE>): Remove.
958         (sync_compare_and_swap<I48MODE>): Remove.
959
960 2011-11-30  Richard Henderson  <rth@redhat.com>
961
962         * config/sparc/predicates.md (register_or_v9_zero_operand): New.
963         * config/sparc/sparc.md (UNSPEC_ATOMIC): New.
964         * config/sparc/sync.md (atomic_load<I>): New.
965         (atomic_loaddi_1, atomic_store<I>, atomic_storedi_1): New.
966
967 2011-11-30  Richard Henderson  <rth@redhat.com>
968
969         * config/sparc/predicates.md (zero_or_v7_operand): New.
970         * config/sparc/sparc.c (sparc_emit_membar_for_model): New.
971         * config/sparc/sparc-protos.h: Update.
972         * config/sparc/sync.md (mem_thread_fence): New.
973         (memory_barrier): Use sparc_emit_membar_for_model.
974         (membar, *membar_empty, *membar_storestore, *membar_storeload): New.
975         (*membar_v8): Accept and ignore the membar mask.
976         (*membar): Accept and print the membar mask.
977
978 2011-11-30  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
979
980         * config/arm/arm.c (arm_issue_rate): Cortex-A15 can triple issue.
981         * config/arm/arm.md (mul64): New attribute.
982         (generic_sched): Cortex-A15 is not scheduled generically.
983         (cortex-a15.md): Include.
984         * config/arm/cortex-a15.md: New machine description.
985         * config/arm/t-arm (MD_INCLUDES): Add cortex-a15.md.
986
987 2011-11-30  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
988
989         * config/arm/t-arm (MD_INCLUDES): Ensure all md files are listed.
990
991 2011-11-30  Iain Sandoe  <iains@gcc.gnu.org>
992
993         * doc/tm.texi.in (NEXT_OBJC_RUNTIME): Update macro description.
994         * doc/tm.texi: Regenerate.
995         * flags.h (flag_next_runtime): Remove references.
996         * toplev.c: Likewise.
997         * defaults.h (NEXT_OBJC_RUNTIME): Provide default.
998         * gccspec.c (lang_specific_driver): Adjust use of NEXT_OBJC_RUNTIME.
999         * config/darwin.c (darwin_override_options): Provide default
1000         Objective-C abi settings and target conflict checks.
1001         * config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Remove unused
1002         code. Adjust indenting.
1003
1004 2011-11-29  Joseph Myers  <joseph@codesourcery.com>
1005
1006         * config/sh/sh.h (enum reg_class, REG_CLASS_NAMES)
1007         (REG_CLASS_CONTENTS): Add NON_SP_REGS.
1008         (REGCLASS_HAS_GENERAL_REG): Handle NON_SP_REGS.
1009         * config/sh/constraints.md (u): New constraint.
1010
1011 2011-11-29  Oleg Endo  <oleg.endo@t-online.de>
1012
1013         PR target/51337
1014         * config/sh/sh.c (sh_secondary_reload): Add case when FPUL
1015         register is being loaded from a pseudo in memory.
1016
1017 2011-11-29  DJ Delorie  <dj@redhat.com>
1018
1019         * config.gcc (rl78-*-elf): New case.
1020         * doc/extend.texi: Add RL78 documentation.
1021         * doc/invoke.texi: Likewise.
1022         * doc/md.texi: Likewise.
1023         * doc/contrib.texi: Add RL78.
1024         * doc/install.texi: Add rl78-*-elf.
1025         * config/rl78: New directory for the Renesas RL78.
1026
1027 2011-11-29  Jakub Jelinek  <jakub@redhat.com>
1028
1029         PR tree-optimization/51247
1030         * tree-vrp.c (extract_range_from_assert): For signed 1-bit precision
1031         types instead of adding 1 subtract -1 and instead of subtracting 1
1032         add -1 to avoid overflows.
1033
1034 2011-11-29  Andrew MacLeod  <amacleod@redhat.com>
1035
1036         PR target/50123
1037         * optabs.c (maybe_optimize_fetch_op): New.  Look for more optimal
1038         instructions for a FECTH_OP or OP_FECTH sequence.
1039         (expand_atomic_fetch_op): Call maybe_optimize_fetch_op.
1040
1041 2011-11-29  Uros Bizjak  <ubizjak@gmail.com>
1042
1043         * config/i386/sync.md (UNSPEC_LDA, UNSPEC_STA): New unspecs.
1044         (movdi_via_fpu): Remove.
1045         (loaddi_via_fpu): New insn pattern.
1046         (storedi_via_fpu): Ditto.
1047         (atomic_loaddi_fpu): Use loaddi_via_fpu and storedi_via_fpu.
1048         (atomic_storedi_fpu): Ditto.
1049         * reg-stack.c (get_true_reg): Handle UNSPEC_LDA.
1050         (subst_stack_regs_pat): Handle UNSPEC_STA.
1051
1052 2011-11-29  Uros Bizjak  <ubizjak@gmail.com>
1053
1054         * config/i386/i386.md (*floathi<mode>2_i387_with_temp): Do not
1055         allocate scratch memory for alternative 0.
1056
1057 2011-11-29  Michael Meissner  <meissner@linux.vnet.ibm.com>
1058
1059         * config/rs6000/rs6000-builtins.def: Completely rewrite builtin
1060         handling to centralize more of the builtins in this file.  Change
1061         some builtin enumerations to be more consistant.  Use a new mask
1062         to hold the current builtins, including SPE and PAIRED builtins
1063         which no longer are set via target_flags masks.  Add
1064         -mdebug=builtin debug support.  For power machines, define all
1065         Altivec and VSX buitins when the compiler starts, but don't allow
1066         the use of a builtin unless the appropriate switch is used, or
1067         #pragma GCC target is used to change the options.  If the user
1068         uses #pragma GCC target, update the appropriate hardware macros.
1069         * common/config/rs6000/rs6000-common.c (rs6000_handle_option): Ditto.
1070         * config/rs6000/rs6000.opt (rs6000_builtin_mask): Ditto.
1071         * config/rs6000/rs6000-c.c (rs6000_macro_to_expand): Ditto.
1072         (rs6000_define_or_undefine_macro): Ditto.
1073         (rs6000_target_modify_macros): Ditto.
1074         (rs6000_cpu_cpp_builtins): Ditto.
1075         (altivec_overloaded_builtins): Ditto.
1076         (altivec_build_resolved_builtin): Ditto.
1077         * config/rs6000/rs6000.c (rs6000_target_modify_macros_ptr): Ditto.
1078         (rs6000_builtin_info): Ditto.
1079         (def_builtin): Ditto.
1080         (enable_mask_for_builtins): Ditto.
1081         (DEBUG_FMT_X): Ditto.
1082         (rs6000_debug_reg_global): Ditto.
1083         (rs6000_builtin_mask_calculate): Ditto.
1084         (rs6000_option_override_internal): Ditto.
1085         (rs6000_builtin_conversion): Ditto.
1086         (rs6000_builtin_vectorized_function): Ditto.
1087         (bdesc_3arg): Ditto.
1088         (bdesc_dst): Ditto.
1089         (bdesc_2arg): Ditto.
1090         (builtin_description_predicates): Ditto.
1091         (bdesc_altivec_preds): Ditto.
1092         (bdesc_spe_predicates): Ditto.
1093         (bdesc_spe_evsel): Ditto.
1094         (bdesc_paired_preds): Ditto.
1095         (bdesc_abs): Ditto.
1096         (bdesc_1arg): Ditto.
1097         (rs6000_overloaded_builtin_p): Ditto.
1098         (rs6000_expand_unop_builtin): Ditto.
1099         (bdesc_2arg_spe): Ditto.
1100         (spe_expand_builtin): Ditto.
1101         (rs6000_invalid_builtin): Ditto.
1102         (rs6000_expand_builtin): Ditto.
1103         (rs6000_init_builtins): Ditto.
1104         (spe_init_builtins): Ditto.
1105         (paired_init_builtins): Ditto.
1106         (altivec_init_builtins): Ditto.
1107         (builtin_function_type): Ditto.
1108         (rs6000_common_init_builtins): Ditto.
1109         (rs6000_builtin_reciprocal): Ditto.
1110         (rs6000_builtin_mask_names): Ditto.
1111         (rs6000_pragma_target_parse): Ditto.
1112         (rs6000_function_specific_print): Ditto.
1113         * config/rs6000/rs6000.h (MASK_DEBUG_BUILTIN): Ditto.
1114         (MASK_DEBUG_ALL): Ditto.
1115         (TARGET_DEBUG_BUILTIN): Ditto.
1116         (TARGET_EXTRA_BUILTINS): Ditto.
1117         (REGISTER_TARGET_PRAGMAS): Ditto.
1118         (enum rs6000_btc): Ditto.
1119         (RS6000_BTC_*): Ditto.
1120         (RS6000_BTM_*): Ditto.
1121         (enum rs6000_builtins): Ditto.
1122         * config/rs6000/rs6000-protos.h (rs6000_overloaded_builtin_p): Ditto.
1123         (rs6000_target_modify_macros): Ditto.
1124         (rs6000_target_modify_macros_ptr): Ditto.
1125
1126         * config/rs6000/vector.md (unsfloat<VEC_int><mode>2): Use the
1127         standard name for converting vector unsigned values to floating
1128         point.  Delete the TARGET_VECTORIZE_BUILTIN_CONVERSION hook, which
1129         is handled by machine independent code.
1130         * config/rs6000/rs6000.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Ditto.
1131         (rs6000_builtin_conversion): Ditto.
1132
1133 2011-11-29  Dodji Seketeli  <dodji@redhat.com>
1134
1135         * tree-diagnostic (struct loc_t): Rename into struct loc_map_pair.
1136         (maybe_unwind_expanded_macro_loc): Adjust.
1137
1138 2011-11-29  David Edelsohn  <dje.gcc@gmail.com>
1139             Aldy Hernandez  <aldyh@redhat.com>
1140
1141         * trans-mem.c (ipa_tm_create_version_alias): Mangle new_decl
1142         if DECL_ONE_ONLY.
1143         (ipa_tm_create_version): Same.
1144
1145 2011-11-29  Bernd Schmidt  <bernds@codesourcery.com>
1146
1147         * haifa-sched.c (recompute_todo_spec): Simplify and correct the
1148         code checking for a clobber of a condition register when deciding
1149         whether to predicate.
1150
1151 2011-11-29  Diego Novillo  <dnovillo@google.com>
1152
1153         * gimple.c (gimple_call_set_cannot_inline): Move from gimple.h.
1154         Update field call_stmt_cannot_inline_p from call graph edge, if needed.
1155         * gimple.h (gimple_call_set_cannot_inline): Move to gimple.c.
1156
1157 2011-11-29  Sameera Deshpande  <sameera.deshpande@arm.com>
1158
1159         * config/arm/arm.md (arm_movdi): Update NEG_POOL_RANGE.
1160         (movdf_soft_insn): Likewise.
1161         * config/arm/fpa.md (thumb2_movdf_fpa): Likewise.
1162         * config/arm/neon.md (neon_mov<mode>): Likewise.
1163         * config/arm/vfp.md (movdi_vfp): Likewise.
1164         (movdi_vfp_cortexa8): Likewise.
1165         (movdf_vfp): Likewise.
1166
1167 2011-11-29  Jakub Jelinek  <jakub@redhat.com>
1168
1169         PR middle-end/50074
1170         * expr.c (expand_expr_addr_expr_1): Don't call force_operand for
1171         EXPAND_SUM modifier.
1172
1173 2011-11-29  Ira Rosen  <ira.rosen@linaro.org>
1174
1175         PR tree-optimization/51301
1176         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check that
1177         the last statement doesn't convert to a bigger type than the original
1178         type of the computation.
1179
1180 2011-11-28  Richard Henderson  <rth@redhat.com>
1181
1182         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap):
1183         Handle overlap between retval and oldval.  Always compute boolval
1184         from CR0 EQ value.
1185
1186 2011-11-28  Jakub Jelinek  <jakub@redhat.com>
1187
1188         PR debug/50317
1189         * tree-ssa.c (execute_update_addresses_taken): Remove
1190         var ={v} {CLOBBER} stmts instead of rewriting them into
1191         var_N ={v} {CLOBBER}.
1192
1193         PR middle-end/50907
1194         * function.c (convert_jumps_to_returns): When redirecting an edge
1195         succ to EXIT_BLOCK_PTR, clear EDGE_CROSSING flag.
1196
1197         PR tree-optimization/50078
1198         * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Copy over
1199         TREE_THIS_VOLATILE also from the old to new lhs resp. rhs.
1200
1201         PR tree-optimization/50682
1202         * tree-eh.c (maybe_remove_unreachable_handlers): New function.
1203         * tree-flow.h (maybe_remove_unreachable_handlers): New prototype.
1204         * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Call it.
1205
1206 2011-11-28  Georg-Johann Lay  <avr@gjlay.de>
1207
1208         * doc/extend.texi (AVR Built-in Functions): Add documentation for
1209         __builtin_avr_map8 and __builtin_avr_map16.
1210
1211         * config/avr/avr.md: Document new %t and %T asm output codes.
1212         (define_c_enum "unspec"): Add UNSPEC_MAP_BITS.
1213         (adjust_len): Add map_bits.
1214         (map_bitsqi, map_bitshi): New insns.
1215         * config/avr/avr-protos.h (avr_out_map_bits): New.
1216         * config/avr/avr-protos.c (print_operand): Implement %t and %T.
1217         (adjust_insn_length): Handle ADJUST_LEN_MAP_BITS.
1218         (avr_double_int_push_digit): New function.
1219         (avr_map, avr_revert_map, avr_swap_map, avr_id_map): New functions.
1220         (avr_sig_map, avr_map_hamming_byte): New functions.
1221         (avr_out_swap_bits, avr_out_revert_bits, avr_move_bits,
1222         avr_out_map_bits): New functions.
1223         (enum avr_builtin_id): Add AVR_BUILTIN_MAP8, AVR_BUILTIN_MAP16.
1224         (avr_init_builtins): Populate __builtin_avr_map8, __builtin_avr_map16.
1225         (bdesc_2arg): Add __builtin_avr_map8, __builtin_avr_map16 ...
1226         (avr_expand_builtin): ...and expand them.
1227         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in defines:
1228         __BUILTIN_AVR_MAP8, __BUILTIN_AVR_MAP16.
1229
1230 2011-11-27  Richard Sandiford  <rdsandiford@googlemail.com>
1231
1232         PR target/51278
1233         * config/mips/mips.c (mips_rtx_costs): Handle baddu.
1234
1235 2011-11-27  Richard Sandiford  <rdsandiford@googlemail.com>
1236
1237         * config/mips/mips.c (mips16_unextended_reference_p): Test for BLKmode.
1238
1239 2011-11-27  Richard Sandiford  <rdsandiford@googlemail.com>
1240
1241         * config/mips/mips-protos.h (mips_emit_binary): Declare.
1242         * config/mips/mips.c (mips_emit_binary): Make global.
1243         (mips_set_mips16_mode): Turn off -mfix-r4000 in MIPS16 mode.
1244         (mips_conditional_register_usage): Don't treat LO and HI as
1245         register operands in MIPS16 mode.
1246         (mips_mulsidi3_gen_fn): Use {u,}mulsidi3_{32,64}bit_mips16
1247         for MIPS16 code.
1248         * config/mips/predicates.md (muldiv_target_operand): New predicate.
1249         (move_operand): Allow hilo_operand.
1250         * config/mips/mips.md (mul<mode>3): Explicitly specify LO as the
1251         target of MIPS16 multiplies, then move it into the target register.
1252         (mul<mode>3_internal, *macc2, *msac2): Use muldiv_target_operand.
1253         (<u>mulsidi3_32bit_mips16): New expander.
1254         (<u>mulsidi3_32bit): Use muldiv_target_operand.
1255         (<u>mulsidi3_32bit_r4000): Disable for ISA_HAS_DSP.
1256         (<u>mulsidi3_64bit): Require !TARGET_MIPS16.  Split into
1257         <u>mulsidi3_64bit_split.
1258         (<u>mulsidi3_64bit_mips16): New expander.
1259         (<u>mulsidi3_64bit_split): Likewise, using expansions from
1260         two previous define_splits.
1261         (<u>mulsidi3_64bit_hilo, *muls<u>_di, <u>msubsidi4): Use
1262         muldiv_target_operand.
1263         (<su>mulsi3_highpart): Use <su>mulsi3_highpart_split for MIPS16 code.
1264         (<su>mulsi3_highpart_internal): Require !TARGET_MIPS16.
1265         Split into <su>mulsi3_highpart_split.
1266         (<su>mulsi3_highpart_split): New expander.
1267         (<su>muldi3_highpart): Turn into a define_expand.
1268         Use <su>muldi3_highpart_split for MIPS16 code.
1269         (<su>muldi3_highpart_internal): Renamed from <su>muldi3_highpart.
1270         Require !TARGET_MIPS16.  Split into <su>muldi3_highpart_split.
1271         (<su>muldi3_highpart_split): New expander.
1272         (<u>mulditi3): Explicitly specify LO as the target of MIPS16
1273         multiplies, then move it into the target register.
1274         (<u>mulditi3_internal, <u>maddsidi4): Use muldiv_target_operand.
1275         (divmod<mode>4, udivmod<mode>4): Turn into define_expands.
1276         Use <u>divmod<mode>4_split for MIPS16 code, then explicitly
1277         move LO into operand 0.
1278         (divmod<mode>4_internal, udivmod<mode>4_internal): Renamed
1279         from <u>divmod<mode>4.  Use muldiv_target_operand.
1280         Require !TARGET_MIPS16.  Split into <u>divmod<mode>4_split.
1281         (<u>divmod<mode>4_split): New expander.
1282         (<u>divmod<GPR:mode>4_hilo_<HILO:mode>): Use muldiv_target_operand.
1283         (mfhi<GPR:mode>_<HILO:mode>): Use hilo_operand.
1284
1285 2011-11-27  Richard Sandiford  <rdsandiford@googlemail.com>
1286
1287         * hard-reg-set.h (target_hard_regs): Add x_accessible_reg_set
1288         and x_operand_reg_set.
1289         (accessible_reg_set, operand_reg_set): New macros.
1290         * reginfo.c (init_reg_sets): Initialize accessible_reg_set and
1291         operand_reg_set.
1292         (saved_accessible_reg_set, saved_operand_reg_set): New variables.
1293         (save_register_info): Save them.
1294         (restore_register_info): Restore them.
1295         (init_reg_sets_1): Limit operand_reg_set to accessible_reg_set.
1296         Remove NO_REGS registers from operand_reg_set.  Treat members
1297         of operand_reg_set as fixed.
1298         * recog.c (general_operand): Check operand_reg_set rather than NO_REGS.
1299         (register_operand, nonmemory_operand): Likewise.
1300         * varasm.c (make_decl_rtl): Always use DECL_MODE as the mode of
1301         register variables.  Check accessible_reg_set and operand_reg_set.
1302         * config/mips/mips.c (mips_conditional_register_usage): Remove
1303         inaccessible register from accessible_reg_set, rather than just
1304         making them fixed.
1305
1306 2011-11-27  Gerald Pfeifer  <gerald@pfeifer.com>
1307
1308         * config/pa/pa-linux.h (TARGET_GAS): Remove comment.
1309
1310 2011-11-26  Richard Henderson  <rth@redhat.com>
1311
1312         * config/arm/arm.c (arm_init_libfuncs): Call init_sync_libfuncs
1313         for Linux.
1314
1315 2011-11-26  Richard Henderson  <rth@redhat.com>
1316
1317         * optabs.c (expand_atomic_fetch_op): Always return result.
1318
1319         * optabs.c (init_sync_libfuncs_1): Include max in iteration.
1320
1321         * omp-low.c (expand_omp_atomic): Assume anything aligned to
1322         BIGGEST_ALIGNMENT is aligned.
1323
1324 2011-11-26  Richard Henderson  <rth@redhat.com>
1325
1326         * config/m68k/m68k.md (UNSPECV_CAS_1, UNSPECV_CAS_2): New.
1327         (UNSPECV_TAS_1, UNSPECV_TAS_2): New.
1328         (I): New mode iterator.
1329         (xz): New mode attribute.
1330         * config/m68k/sync.md: New file.
1331
1332         * config/m68k/linux.h (TARGET_INIT_LIBFUNCS): New.
1333         * config/m68k/m68k.c (m68k_init_sync_libfuncs): New.
1334
1335 2011-11-26  Nathan Sidwell  <nathan@acm.org>
1336
1337         PR gcov-profile/51297
1338         * gcov.c (main): Allocate initial names and sources arrays.
1339         (find_source): Don't check for null name or source arrays here.
1340
1341 2011-11-26  Jakub Jelinek  <jakub@redhat.com>
1342
1343         PR rtl-optimization/49912
1344         * cfgrtl.c (rtl_verify_flow_info_1): Ignore also EDGE_PRESERVE bit
1345         when counting n_branch.
1346
1347 2011-11-26  Uros Bizjak  <ubizjak@gmail.com>
1348
1349         * config/i386/sync.md (movdi_via_fpu): Add %Z insn suffixes.
1350
1351 2011-11-26  Joern Rennecke  <joern.rennecke@embecosm.com>
1352
1353         PR middle-end/50074
1354         * calls.c (mem_overlaps_already_clobbered_arg_p):
1355         Return false if no outgoing arguments have been stored so far.
1356
1357 2011-11-25  Georg-Johann Lay  <avr@gjlay.de>
1358
1359         * config/avr/avr.c (print_operand): Support code = 'i' for CONST_INT.
1360
1361 2011-11-24  Andrew MacLeod  <amacleod@redhat.com>
1362
1363         PR other/51011
1364         * tree.h (is_builtin_name): No longer external.
1365         * builtins.c (is_builtin_name): Make static.
1366         * varasm.c (incorporeal_function_p): __sync and __atomic external calls
1367         are not incorporeal and may need asm label processing.
1368
1369 2011-11-25  Georg-Johann Lay  <avr@gjlay.de>
1370
1371         PR target/50566
1372         * config/avr/avr-protos.h (avr_log_t): Add field .builtin.
1373         * config/avr/avr-log.c (avr_log_set_avr_log): Initialize it.
1374         Don't bypass TARGET_ALL_DEBUG.  Print self-info with ?.
1375         (avr_log_vadump): Support %D and %X to print double_int.
1376         (avr_double_int_pop_digit): New static function.
1377         (avr_dump_double_int_hex): New static function.
1378
1379 2011-11-24  Enkovich Ilya  <ilya.enkovich@intel.com>
1380
1381         PR target/51287
1382         * config/i386/i386.c (distance_non_agu_define_in_bb): Fix insn
1383         attr check.
1384
1385 2011-11-24  Andrew MacLeod  <amacleod@redhat.com>
1386
1387         * optab.c (maybe_emit_atomic_exchange): New.  Try to emit an
1388         atomic_exchange pattern.
1389         (maybe_emit_sync_lock_test_and_set): New.  Try to emit an exchange
1390         using __sync_lock_test_and_set.
1391         (maybe_emit_compare_and_swap_exchange_loop): New. Try to emit an
1392         exchange using a compare_and_swap loop.
1393         (expand_sync_lock_test_and_set): New.  Expand sync_lock_test_and_set.
1394         (expand_atomic_test_and_set): New.  Expand test_and_set operation.
1395         (expand_atomic_exchange): Use new maybe_emit_* functions.
1396         (expand_atomic_store): Use new maybe_emit_* functions.
1397         * builtins.c (expand_builtin_sync_lock_test_and_set): Call
1398         expand_sync_lock_test_and_set routine.
1399         (expand_builtin_atomic_exchange): Remove parameter from call.
1400         (expand_builtin_atomic_clear): Use atomic_clear pattern if present.
1401         (expand_builtin_atomic_test_and_set): Add target and simply call
1402         expand_atomic_test_and_set.
1403         (expand_builtin): Add target to expand_builtin_atomic_test_and_set.
1404         * expr.h (expand_atomic_exchange): Add parameter.
1405         (expand_sync_lock_test_and_set): New prototype.
1406         (expand_atomic_test_and_set, expand_atomic_clear): New prototypes.
1407
1408 2011-11-24  H.J. Lu  <hongjiu.lu@intel.com>
1409
1410         PR target/51134
1411         * config/i386/i386.h (processor_costs): Revert revision 181357.
1412         * config/i386/i386.c (cost models): Likewise.
1413         (core_cost): Likewise.
1414         (promote_duplicated_reg): Likewise.
1415         (promote_duplicated_reg_to_size): Likewise.
1416         (processor_target): Likewise.
1417         (expand_set_or_movmem_via_loop_with_iter): Likewise.
1418         (expand_set_or_movmem_via_loop): Likewise.
1419         (emit_strset): Likewise.
1420         (expand_movmem_epilogue): Likewise.
1421         (expand_setmem_epilogue): Likewise.
1422         (expand_movmem_prologue): Likewise.
1423         (expand_setmem_prologue): Likewise.
1424         (expand_constant_movmem_prologue): Likewise.
1425         (expand_constant_setmem_prologue): Likewise.
1426         (decide_alg): Likewise.
1427         (decide_alignment): Likewise.
1428         (ix86_expand_movmem): Likewise.
1429         (ix86_expand_setmem): Likewise.
1430         (ix86_slow_unaligned_access): Likewise.
1431         * config/i386/i386.md (strset): Likewise.
1432         * config/i386/sse.md (vec_dupv4si): Likewise.
1433         (vec_dupv2di): Likewise.
1434
1435 2011-11-24  Georg-Johann Lay  <avr@gjlay.de>
1436
1437         * config/avr/avr.md (*rotlhi2.15): Set length to 4.
1438
1439 2011-11-24  Razya Ladelsky  <razya@il.ibm.com>
1440
1441         * tree-data-ref.c (initialize_data_dependence_relation): Update
1442         comment for the self dependence case.
1443         (compute_self_dependence): Remove.
1444         * tree-vect-data-refs.c (vect_analyze_data_refs): Remove call to
1445         compute_self_dependenc.
1446
1447 2011-11-24  Alan Modra  <amodra@gmail.com>
1448
1449         * c-decl.c (warn_if_shadowing): Don't warn if shadowed
1450         identifier is from system header.
1451
1452 2011-11-23  Jakub Jelinek  <jakub@redhat.com>
1453
1454         PR target/51261
1455         * config/i386/i386.c (decide_alg): Initialize *dynamic_check
1456         even if !optimize.
1457
1458 2011-11-23  Vladimir Makarov  <vmakarov@redhat.com>
1459
1460         PR rtl-optimization/48455
1461         * doc/invoke.texi (-fira-region): Document default values.
1462
1463         * flags-types.h (enum ira_region): Add new value
1464         IRA_REGION_AUTODETECT.
1465
1466         * common.opt (fira-region): Set up initial value to
1467         IRA_REGION_AUTODETECT.
1468
1469         * toplev.c (process_options): Set up flag_ira_region depending on
1470         -O options.
1471
1472         * ira.c (ira.c): Remove optimize guard for ira_build.
1473
1474 2011-11-23  Chung-Lin Tang  <cltang@codesourcery.com>
1475
1476         PR rtl-optimization/50496
1477         * jump.c (redirect_jump): Assert fail on nlabel == NULL_RTX
1478         only after epilogue is created. Add comments.
1479
1480 2011-11-22  Richard Henderson  <rth@redhat.com>
1481
1482         * config/ia64/ia64.c (ia64_expand_atomic_op): Add model parameter.
1483         Generate the barrier required for the memory model.
1484         (rtx_needs_barrier): Handle UNSPEC_FETCHADD_REL, UNSPEC_CMPXCHG_REL.
1485         * config/ia64/ia64-protos.h: Update.
1486         * config/ia64/ia64.md (UNSPEC_FETCHADD_REL): New.
1487         (UNSPEC_CMPXCHG_REL): New.
1488         * config/ia64/sync.md (mem_thread_fence): New.
1489         (atomic_load<IMODE>, atomic_store<IMODE>): New.
1490         (atomic_compare_and_swap<IMODE>): New.
1491         (cmpxchg_acq_<I124MODE>, cmpxchg_acq_di): New.
1492         (atomic_exchange<IMODE>): New.
1493         (xchg_acq_<IMODE>): Rename from sync_lock_test_and_set<IMODE>.
1494         (atomic_<FETCHOP><IMODE>, atomic_nand<IMODE>): New.
1495         (atomic_fetch_<FETCHOP><IMODE>, atomic_fetch_nand<IMODE>): New.
1496         (atomic_<FETCHOP>_fetch<IMODE>, atomic_nand_fetch<IMODE>): New.
1497         (fetchadd_rel_<I48MODE>): New.
1498         (sync_<FETCHOP><IMODE>, sync_nand<IMODE>): Remove.
1499         (sync_old_<FETCHOP><IMODE>, sync_old_nand<IMODE>): Remove.
1500         (sync_new_<FETCHOP><IMODE>, sync_new_nand<IMODE>): Remove.
1501         (sync_compare_and_swap<IMODE>): Remove.
1502         (sync_lock_release<IMODE>): Remove.
1503
1504         * config/ia64/ia64.md: Use define_c_enum for UNSPEC_*
1505         and UNSPECV_* constants.
1506
1507 2011-11-22  Tom de Vries  <tom@codesourcery.com>
1508
1509         PR rtl-optimization/50764
1510         * sched-deps.c (sched_analyze_insn): Make sure frame-related insns are
1511         not moved past preceding jump.
1512
1513 2011-11-22  Jeff Law  <law@redhat.com>
1514
1515         * doc/contrib.texi: Add entry for David Binderman.
1516
1517 2011-11-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1518
1519         * postreload.c (reload_combine): Mark reg_state as invalid at
1520         volatile insns if there has been a use already.
1521
1522 2011-11-21  Aldy Hernandez  <aldyh@redhat.com>
1523
1524         * opts.c (finish_options): Do not fail for -fgnu-tm.
1525         * gimple-streamer-out.c (output_gimple_stmt): Handle
1526         GIMPLE_TRANSACTION.
1527         * gimple-streamer-in.c (input_gimple_stmt): Same.
1528         * lto-cgraph.c (input_overwrite_node): Read tm_clone bit.
1529         (lto_output_node): Write tm_clone bit.
1530
1531 2011-11-22  Ian Lance Taylor  <iant@google.com>
1532
1533         * doc/install.texi (Configuration): Correct doc of
1534         --enable-build-poststage1-with-cxx: it is not experimental.
1535
1536 2011-11-22  Jakub Jelinek  <jakub@redhat.com>
1537
1538         PR tree-optimization/51074
1539         * fold-const.c (fold_binary_loc): Fix up VEC_INTERLEAVE_*_EXPR
1540         handling for BYTES_BIG_ENDIAN.
1541         * optabs.c (can_vec_perm_for_code_p): Likewise.
1542
1543 2011-11-22  Michael Matz  <matz@suse.de>
1544
1545         PR other/51125
1546         * trans-mem.c (expand_block_tm): Ignore clobbers.
1547
1548 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1549
1550         *  config/darwin.h (ENDFILE_SPEC): New.
1551         (DARWIN_CRT1_SPEC): Add crttms.o.
1552         (STARTFILE_SPEC): Likewise for dynamic libs and bundles.
1553         * config/i386.h (ENDFILE_SPEC): Amend to include crttme.o.
1554
1555 2011-11-22  Michael Matz  <matz@suse.de>
1556
1557         PR c++/51264
1558         * tree.c (iterative_hash_expr): Remove break after return.
1559
1560 2011-11-22  Iain Sandoe  <iains@gcc.gnu.org>
1561
1562         * target.def (tm_clone_table_section): New hook.
1563         * doc/tm.texi.in (TARGET_ASM_TM_CLONE_TABLE_SECTION): Define.
1564         * doc/tm.texi: Regenerate.
1565         * varasm.c (dump_tm_clone_pairs): Use target tm_clone_table_section.
1566         * output.h (default_clone_table_section): New prototype.
1567         * config/darwin.h (TARGET_ASM_TM_CLONE_TABLE_SECTION): New.
1568         * config/darwin-protos.h (darwin_tm_clone_table_section): New prototype.
1569         * config/darwin.c (darwin_tm_clone_table_section): New.
1570
1571 2011-11-21  Torvald Riegel  <triegel@redhat.com>
1572
1573         * trans-mem.c (diagnose_tm_1): Print an expression instead of a
1574         declaration in error messages for indirect calls.
1575
1576 2011-11-21  David S. Miller  <davem@davemloft.net>
1577
1578         * config/sparc/sparc.c (sparc_regmode_natural_size): New function
1579         implementing REGMODE_NATURAL_SIZE taking into consideration vector
1580         modes.
1581         (sparc_modes_tieable_p): Similarly for MODES_TIEABLE_P.
1582         * config/sparc/sparc-protos.h (sparc_regmode_natural_size,
1583         sparc_modes_tieable_p): Declare.
1584         * gcc/config/sparc/sparc.h (REGMODE_NATURAL_SIZE,
1585         MODES_TIEABLE_P): Use new helper functions.
1586
1587         Revert
1588         2011-11-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
1589
1590         PR middle-end/50325
1591         * expmed.c (store_bit_field_1): Use extract_bit_field on big
1592         endian targets if the source cannot be exactly covered by word
1593         mode chunks.
1594
1595 2011-11-21  Jakub Jelinek  <jakub@redhat.com>
1596
1597         PR debug/50827
1598         * var-tracking.c (loc_cmp): For ENTRY_VALUEs use ENTRY_VALUE_EXP
1599         macro instead of XEXP.
1600
1601 2011-11-21  Andreas Tobler  <andreast@fgznet.ch>
1602
1603         * configure: Regenerate.
1604
1605 2011-11-21  Georg-Johann Lay  <avr@gjlay.de>
1606
1607         * config/avr/avr.c (output_reload_in_const): Loading a byte with 0
1608         must not affect cc0.
1609         * config/avr/avr.md (*movhi, *movpsi, *movsi, *movsf): Zero to any
1610         register does not change cc0. Same for any constant to ld-register.
1611
1612 2011-11-21  Uros Bizjak  <ubizjak@gmail.com>
1613
1614         * config/i386/mmx.md (unspec) <UNSPEC_MOVNTQ, UNSPEC_PFRCP,
1615         UNSPEC_PFRCPIT1, UNSPEC_PFRCPIT2, UNSPEC_PFRSQRT, UNSPEC_PFRSQIT1>:
1616         Move from config/i386/i386.md
1617         (unspecv) <UNSPECV_EMMS, UNSPECV_FEMMS>: Ditto.
1618         * config/i386/sse.md (unspec) <UNSPEC_MOVNT,UNSPEC_MOVU, UNSPEC_LDDQU,
1619         UNSPEC_PSHUFB, UNSPEC_PSIGN, UNSPEC_PALIGNR, UNSPEC_EXTRQI,
1620         UNSPEC_EXTRQ, UNSPEC_INSERTQI, UNSPEC_INSERTQ, UNSPEC_BLENDV,
1621         UNSPEC_INSERTPS, UNSPEC_DP, UNSPEC_MOVNTDQA, UNSPEC_MPSADBW,
1622         UNSPEC_PHMINPOSUW, UNSPEC_PTEST, UNSPEC_PCMPESTR, UNSPEC_PCMPISTR,
1623         UNSPEC_FMADDSUB, UNSPEC_XOP_UNSIGNED_CMP, UNSPEC_XOP_TRUEFALSE,
1624         UNSPEC_XOP_PERMUTE, UNSPEC_FRCZ, UNSPEC_AESENC, UNSPEC_AESENCLAST,
1625         UNSPEC_AESDEC, UNSPEC_AESDECLAST, UNSPEC_AESIMC,
1626         UNSPEC_AESKEYGENASSIST, UNSPEC_PCLMUL, UNSPEC_PCMP, UNSPEC_VPERMIL,
1627         UNSPEC_VPERMIL2, UNSPEC_VPERMIL2F128, UNSPEC_CAST, UNSPEC_VTESTP,
1628         UNSPEC_VCVTPH2PS, UNSPEC_VCVTPS2PH, UNSPEC_VPERMSI, UNSPEC_VPERMDF,
1629         UNSPEC_VPERMSF, UNSPEC_VPERMTI, UNSPEC_GATHER, UNSPEC_VSIBADDR>: Ditto.
1630         (unspecv) <UNSPECV_LDMXCSR, UNSPECV_STMXCSR, UNSPECV_CLFLUSH,
1631         UNSPECV_MONITOR, UNSPECV_MWAIT, UNSPECV_VZEROALL, UNSPECV_VZEROUPPER>:
1632         Ditto.
1633         * config/i386/sync.md (unspec) <UNSPEC_LFENCE, UNSPEC_SFENCE,
1634         UNSPEC_MFENCE, UNSPEC_MOVA>: Ditto.
1635         (unspecv) <UNSPECV_CMPXCHG_1, UNSPECV_CMPXCHG_2, UNSPECV_CMPXCHG_3,
1636         UNSPECV_CMPXCHG_4, UNSPECV_XCHG, UNSPECV_LOCK>: Ditto.
1637         (sse2_lfence): Move from config/i386/sse.md.
1638         (*sse2_lfence): Ditto.
1639         (sse_sfence): Ditto.
1640         (*sse_sfence): Ditto.
1641         (sse2_mfence): Ditto.
1642         (mfence_sse2): Ditto.  Rename from *sse2_mfence.  Enable also
1643         for TARGET_64BIT.
1644         (mem_thread_fence): Use mfence_sse2.
1645
1646 2011-11-21  Georg-Johann Lay  <avr@gjlay.de>
1647
1648         * config/avr/avr.h (struct base_arch_s): Add field sfr_offset.
1649         * config/avr/avr-devices.c: Ditto. And initialize it.
1650         * config/avr/avr-c.c (avr_cpu_cpp_builtins): New built-in define
1651         __AVR_SFR_OFFSET__.
1652         * config/avr/avr-protos.h (out_movqi_r_mr, out_movqi_mr_r): Remove.
1653         (out_movhi_r_mr, out_movhi_mr_r): Remove.
1654         (out_movsi_r_mr, out_movsi_mr_r): Remove.
1655         * config/avr/avr.md (*cbi, *sbi): Use %i instead of %m-0x20.
1656         (*insv.io, *insv.not.io): Ditto.
1657         * config/avr/avr.c (out_movsi_r_mr, out_movsi_mr_r): Make static.
1658         (print_operand): Implement "%i" to print address as I/O address.
1659         (output_movqi): Clean up call of out_movqi_mr_r.
1660         (output_movhi): Clean up call of out_movhi_mr_r.
1661         (avr_file_start): Use avr_current_arch->sfr_offset instead of
1662         magic -0x20. Use TMP_REGNO, ZERO_REGNO instead of 0, 1.
1663         (avr_out_sbxx_branch): Use %i instead of %m-0x20.
1664         (out_movqi_r_mr, out_movqi_mr_r): Ditto. And make static.
1665         (out_movhi_r_mr, out_movhi_mr_r): Ditto. And use avr_asm_len.
1666         (out_shift_with_cnt): Clean up code: Use avr_asm_len.
1667         (output_movsisf): Use output_reload_insisf for all CONSTANT_P sources.
1668         (avr_out_movpsi): USE avr_out_reload_inpsi for all CONSTANT_P sources.
1669         Clean up call of avr_out_store_psi.
1670         (output_reload_in_const): Don't cut symbols longer than 2 bytes.
1671         (output_reload_insisf): Filter CONST_INT_P or CONST_DOUBLE_P to
1672         try if setting pre-cleared register is advantageous.
1673         (avr_out_plus_1): Use gen_int_mode instead of GEN_INT.
1674
1675 2011-11-20  Joey Ye  <joey.ye@arm.com>
1676
1677         * expr.c (expand_expr_real_1): Correctly handle strict volatile
1678         bitfield loads smaller than mode size.
1679
1680 2011-11-20  Richard Henderson  <rth@redhat.com>
1681
1682         * config/mips/mips.c (mips_init_libfuncs): Call init_sync_libfuncs.
1683
1684 2011-11-20  Uros Bizjak  <ubizjak@gmail.com>
1685
1686         PR target/51235
1687         * config/i386/i386.c (ix86_expand_vcond): Generate TARGET_XOP
1688         patterns for supported mode only.
1689
1690         PR target/51236
1691         * config/i386/i386.c (ix86_expand_builtin)
1692         <IX86_BUILTIN_GATHERALTSIV4DI>: Use CODE_FOR_avx2_gathersiv4di.
1693
1694 2011-11-20  Uros Bizjak  <ubizjak@gmail.com>
1695
1696         * config/i386/i386.md (UNSPEC_MOVNTI): Remove.
1697         (UNSPEC_MOVNTQ): New unspec.
1698         * config/i386/mmx.md (sse_movntq): Rename from sse_movntdi.
1699         Use UNSPEC_MOVNTQ instead of UNSPEC_MOVNT.
1700         * config/i386/sse.md (sse2_movnti<mode>): Use UNSPEC_MOVNT instead of
1701         UNSPEC_MOVNTI.
1702         (STORENT_MODE): Add DI and V4DI modes.
1703
1704 2011-11-20  Nathan Sidwell  <nathan@acm.org>
1705
1706         PR gcov-profile/51113
1707         * coverage.c (build_var): Propagate visibility for public
1708         decls.  Use make_decl_one_only for PIC correctness.
1709
1710         testsuite/
1711         * gcc.misc-tests/gcov-13.c: Check gcovpart-13b coverage
1712         * gcc.misc-tests/gcov-16.c: New.
1713         * gcc.misc-tests/gcov-17.c: New.
1714         * g++.dg/gcov/gcov-8.C: New.
1715         * g++.dg/gcov/gcov-9.C: New.
1716         * g++.dg/gcov/gcov-10.C: New.
1717
1718 2011-11-19  Eric Botcazou  <ebotcazou@adacore.com>
1719
1720         PR rtl-optimization/51187
1721         * reorg.c (relax_delay_slots): Do not consider a jump useless if there
1722         is a barrier between the jump and its target label.
1723
1724 2011-11-19  Patrick Marlier  <patrick.marlier@gmail.com>
1725
1726         PR middle-end/51211
1727         * tracer.c (ignore_bb_p): Don't copy GIMPLE_TRANSACTION.
1728
1729 2011-11-19  Eric Botcazou  <ebotcazou@adacore.com>
1730
1731         * expmed.c (store_bit_field_1): Revert bogus formatting change.
1732
1733 2011-11-19  Richard Earnshaw  <rearnsha@arm.com>
1734
1735         PR target/50493
1736         * config/arm/arm.c (neon_disambiguate_copy): Correctly handle partial
1737         overlap of src and dest operands.
1738
1739 2011-11-19  Iain Sandoe  <iains@gcc.gnu.org>
1740
1741         * config/darwin.h (ASM_DEBUG_SPEC): New.
1742         * config/darwin9.h (ASM_DEBUG_SPEC): New.
1743
1744 2011-11-18  Jan Hubicka  <jh@suse.cz>
1745
1746         * config/i386/i386.c (atom_cost): Disable SSE loop until alignment
1747         issues are fixed.
1748
1749 2011-11-18  Anatoly Sokolov  <aesok@post.ru>
1750
1751         * config/cris/cris.c (cris_function_value_regno_p): Make static.
1752         (TARGET_FUNCTION_VALUE_REGNO_P): Define.
1753         * config/cris/cris.h (FUNCTION_VALUE_REGNO_P): Remove.
1754         * config/cris/cris-protos.h (cris_function_value_regno_p): Remove.
1755
1756 2011-11-18  H.J. Lu  <hongjiu.lu@intel.com>
1757
1758         PR target/33944
1759         * doc/extend.texi: Document __builtin_ia32_movnti64.
1760
1761         * config/i386/emmintrin.h (_mm_stream_si64): New.
1762
1763         * config/i386/i386-builtin-types.def: Add VOID_FTYPE_PLONGLONG_LONGLONG.
1764
1765         * config/i386/i386.c (ix86_builtins): Add IX86_BUILTIN_MOVNTI64.
1766         (bdesc_special_args): Update __builtin_ia32_movnti.  Add
1767         __builtin_ia32_movnti64.
1768         (ix86_expand_special_args_builtin): Handle
1769         VOID_FTYPE_PLONGLONG_LONGLONG.
1770
1771         * config/i386/i386.md (UNSPEC_MOVNTI): New.
1772
1773         * config/i386/sse.md (sse2_movntsi): Renamed to ...
1774         (sse2_movnti<mode>): This.
1775
1776 2011-11-18  Georg-Johann Lay  <avr@gjlay.de>
1777
1778         PR target/49868
1779         * config/avr/avr.h (base_arch_s): Add field n_segments.
1780         (ADDR_SPACE_PGM1, ADDR_SPACE_PGM2, ADDR_SPACE_PGM3,
1781         ADDR_SPACE_PGM4, ADDR_SPACE_PGM5, ADDR_SPACE_PGMX): New address spaces.
1782         (AVR_HAVE_ELPM, AVR_HAVE_ELPMX): New defines.
1783         (INIT_EXPANDERS): New define.
1784         * config/avr/avr-protos.h (avr_mem_pgmx_p): New.
1785         (avr_init_expanders): New.
1786         (avr_emit_movmemhi, avr_out_movmem): New.
1787         (avr_xload_libgcc_p): New.
1788         * config/avr/avr-c.c (avr_register_target_pragmas): Register
1789         address spaces __pgm1, __pgm2,  __pgm3,  __pgm4  __pgm5,  __pgmx.
1790         (avr_cpu_cpp_builtins): Add built-in defines __PGM1,
1791         __PGM2, __PGM3, __PGM4, __PGM5, __PGMX.
1792         * config/avr/avr-devices.c (avr_arch_types): Set field n_segments.
1793
1794         * config/avr/avr.c (AVR_SECTION_PROGMEM): Change define to cover
1795         3 bits instead of just 1.
1796         (xstring_empty, xstring_e, rampz_rtx): New static GTYed variables.
1797         (progmem_section): Change from section to array of sections.
1798         (progmem_section_prefix): New static variable.
1799         (avr_file_start): Print set for __RAMPZ__
1800         (avr_option_override): Move initialization of RTXes from here...
1801         (avr_init_expanders): ...to this new function.
1802         (avr_pgm_segment): New static function.
1803         (avr_decl_pgm_p): Handle error_mark_node.
1804         (avr_mem_pgmx_p, avr_decl_pgmx_p): New static functions.
1805         (avr_out_xload, avr_find_unused_d_reg): New static functions.
1806         (expand_prologue, expand_epilogue): Use rampz_rtx.
1807         (print_operand): Hande CONST_STRING.
1808         (avr_xload_libgcc_p): New static function.
1809         (avr_out_lpm_no_lpmx, avr_out_lpm): Handle ELPM.
1810         (avr_progmem_p): Return 2 for 24-bit flash address space.
1811         (avr_out_sbxx_branch): Clean-up code from ASn macros.
1812         (out_movqi_r_mr, out_movqi_mr_r): Ditto. And recognize RAMPZ's
1813         address and print symbolically.
1814         (avr_asm_named_section, avr_section_type_flags,
1815         avr_encode_section_info, avr_asm_select_section,
1816         avr_addr_space_address_mode, avr_addr_space_pointer_mode,
1817         avr_addr_space_legitimate_address_p, avr_addr_space_convert,
1818         avr_addr_space_legitimize_address): Handle new address spaces.
1819         (avr_output_progmem_section_asm_op): New static function.
1820         (avr_asm_init_sections): Initialize progmem_section[].
1821         (adjust_insn_length): Handle ADJUST_LEN_XLOAD, ADJUST_LEN_MOVMEM.
1822         (avr_const_address_lo16): New static function.
1823         (avr_assemble_integer): Use it to handle 3-byte integers.
1824         (avr_emit_movmemhi, avr_out_movmem): New functions.
1825
1826         * config/avr/predicates.md (nox_general_operand): Handle new
1827         address spaces.
1828         * config/avr/avr.md (unspec): Add UNSPEC_MOVMEM.
1829         (adjust_len): Add xload, movmem.
1830         (SP_ADDR): New define_constants.
1831         (isa): Add "lpm", "lpmx", "elpm", "elpmx".
1832         (enabled): Handle them.
1833         (load<mode>_libgcc): New expander.
1834         (*load.<mode>.libgcc): Rename to load_<mode>_libgcc.
1835         (xload8_A, xload<mode>_A): New insn-and-splits.
1836         (xload_8, xload_<mode>_libgcc, xload_<mode>, loadmem_elpm): New insns.
1837         (mov<mode>): Handle new address spaces.
1838         (movmemhi): Rewrite using avr_emit_movmemhi.
1839         (MOVMEM_r_d): New mode attribute.
1840         (movmem_<mode>, movmem_qi_elpm): New insns.
1841         (setmemhi, *clrmemqi, *clrmemhi, strlenhi, *strlenhi): Unquote
1842         C-code.  Use label instead of hard-coded instrunction lengths.
1843
1844 2011-11-18  Martin Jambor  <mjambor@suse.cz>
1845
1846         PR tree-optimization/50605
1847         * gimple.c (is_gimple_ip_invariant_address): Also handle MEM_REFs
1848         of IPA invariant decls.
1849
1850 2011-11-18  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
1851
1852         * tree-outof-ssa.c (insert_back_edge_copies):  Add call to
1853         mark_dfs_back_edges.
1854
1855 2011-11-18  Iain Sandoe  <iains@gcc.gnu.org>
1856
1857         PR target/49992
1858         * configure.ac: Remove ranlib special-casing for Darwin.
1859         * configure: Regenerate.
1860
1861 2011-11-18  Uros Bizjak  <ubizjak@gmail.com>
1862
1863         PR tree-optimization/51118
1864         * fold-const.c (fold_checksum_tree): Check for TS_TYPED structure
1865         before using TREE_TYPE accessor on expr.
1866
1867 2011-11-17  Jan Hubicka  <jh@suse.cz>
1868
1869         PR bootstrap/51134
1870         * i386.c (atom_cost): Fix 32bit memset description.
1871         (expand_set_or_movmem_via_loop_with_iter): Output proper bounds check
1872         for epilogue loops.
1873         (expand_movmem_epilogue): Handle epilogues up to size 15 w/o producing
1874         byte loop.
1875         (decide_alg): sse_loop is not useable wthen SSE2 is disabled;
1876         when not optimizing always use rep movsb or lincall; do not produce
1877         word sized loops when optimizing memset for size (to avoid need
1878         for large constants).
1879         (ix86_expand_movmem): Get into sync with ix86_expand_setmem;
1880         choose unroll factors better; always do 128bit moves when producing
1881         SSE loops; do not produce loopy epilogue when size is too small.
1882         (promote_duplicated_reg_to_size): Do not look into desired alignments
1883         when doing vector expansion.
1884         (ix86_expand_setmem): Track better when promoted value is available;
1885         choose unroll factors more sanely. Output loopy epilogue only
1886         when needed.
1887
1888 2011-11-17  Steve Ellcey  <sje@cup.hp.com>
1889
1890         PR middle-end/51144
1891         * output.h (fprint_w): Remove.
1892         * final.c (fprint_w): Remove.
1893         (output_addr_const): Change fprint_w back to fprintf.
1894
1895 2011-11-17  Andrew Pinski  <apinski@cavium.com>
1896
1897         * config/host-linux.c (TRY_EMPTY_VM_SPACE): Define for MIPS.
1898
1899 2011-11-17  Andrew MacLeod  <amacleod@redhat.com>
1900
1901         * builtins.c (expand_builtin): Remove 4th parameter representing
1902         weak/strong mode when __atomic_compare_exchange becomes a library call.
1903
1904 2011-11-17  Richard Henderson  <rth@redhat.com>
1905
1906         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap): Get
1907         new pseudo for target after convert_modes.
1908         (rs6000_expand_atomic_exchange, rs6000_expand_atomic_op): Likewise.
1909
1910 2011-11-17  Richard Henderson  <rth@redhat.com>
1911
1912         * config/rs6000/rs6000.c (rs6000_expand_atomic_compare_and_swap): Get
1913         new pseudo for target after convert_modes.
1914         (rs6000_expand_atomic_exchange, rs6000_expand_atomic_op): Likewise.
1915
1916 2011-11-17  Richard Henderson  <rth@redhat.com>
1917
1918         * builtins.c (expand_builtin_mem_thread_fence): Remove.
1919         (expand_builtin_mem_signal_fence): Remove.
1920         (expand_builtin_atomic_thread_fence): Use expand_mem_thread_fence.
1921         (expand_builtin_sync_synchronize): Likewise.
1922         (expand_builtin_atomic_signal_fence): Use expand_mem_signal_fence.
1923         * optabs.c (expand_asm_memory_barrier): Split out from
1924         expand_builtin_mem_signal_fence.
1925         (expand_mem_thread_fence): New, a combination of code from
1926         expand_builtin_mem_thread_fence and expand_builtin_sync_synchronize.
1927         (expand_mem_signal_fence): Moved and renamed from
1928         expand_builtin_mem_signal_fence.
1929         (expand_atomic_exchange): Use expand_mem_thread_fence.
1930         (expand_atomic_load, expand_atomic_store): Likewise.
1931         * expr.h, optabs.h: Update decls.
1932
1933 2011-11-17  Bin Cheng  <bin.cheng@arm.com>
1934
1935         PR rtl-optimization/50663
1936         * cprop.c (implicit_set_indexes): New global variable.
1937         (insert_set_in_table): Add additional parameter and record implicit
1938         set information.
1939         (hash_scan_set): Add additional parameter and pass it to above.
1940         (hash_scan_insn): Pass false to hash_scan_set.
1941         (compute_hash_table_work): Pass true to hash_scan_set.
1942         (compute_cprop_data): Add implicit set to AVIN of block which the
1943         implicit set is recorded for.
1944         (one_cprop_pass): Handle implicit_set_indexes array.
1945
1946 2011-11-17  Michael Matz  <matz@suse.de>
1947
1948         PR middle-end/50644
1949         PR middle-end/50741
1950         * tree-ssa-live.c (mark_all_vars_used_1): Recurse only for decls of
1951         current function.
1952         (remove_unused_locals): Ditto.
1953
1954 2011-11-16  Richard Henderson  <rth@redhat.com>
1955
1956         * config/alpha/alpha.c (alpha_split_compare_and_swap_12): Copy
1957         ALIAS_SET_MEMORY_BARRIER when creating a new memory.
1958         (alpha_split_atomic_exchange_12): Likewise.
1959         * config/rs6000/rs6000.c (rs6000_adjust_atomic_subword): Likewise.
1960
1961 2011-11-16  Joseph Myers  <joseph@codesourcery.com>
1962
1963         * config/i386/i386elf.h (PREFERRED_DEBUGGING_TYPE): Remove.
1964
1965 2011-11-16  David Edelsohn  <dje.gcc@gmail.com>
1966
1967         * config/rs6000/rs6000.c (rs6000_xcoff_section_type_flags):
1968         Default to minimum alignment if decl is NULL.
1969
1970 2011-11-16  Uros Bizjak  <ubizjak@gmail.com>
1971
1972         * config/i386/sse.md (round<mode>2_vec_pack_sfix): Optimize V2DFmode
1973         sequence for AVX.
1974         (<sse4_1>_round<ssemodesuffix>_vec_pack_sfix<avxsizesuffix>): Ditto.
1975
1976 2011-11-16  Venkataramanan Kumar  <venkataramanan.kumar@amd.com>
1977
1978         * doc/invoke.texi: Document AMD bdver1 and btver1.
1979
1980 2011-11-16  Richard Earnshaw  <rearnsha@arm.com>
1981             Bernd Schmidt <bernds@coudesourcery.com>
1982             Sebastian Huber <sebastian.huber@embedded-brains.de>
1983
1984         PR target/49641
1985         * config/arm/arm.c (store_multiple_sequence): Avoid cases where
1986         the base reg is stored iff compiling for Thumb1.
1987
1988 2011-11-16  Razya Ladelsky  <razya@il.ibm.com>
1989
1990         PR tree-optimization/49960
1991         * tree-data-ref.c (initialize_data_dependence_relation): Add
1992         initializations.
1993         Remove call to compute_self_dependence.
1994         (compute_affine_dependence): Remove the !DDR_SELF_REFERENCE condition.
1995         (compute_self_dependence): Remove old code. Add call to
1996         compute_affine_dependence.
1997         (compute_all_dependences): Remove call to compute_self_dependence.
1998         Add call to compute_affine_dependence.
1999
2000 2011-11-16  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
2001
2002         PR middle-end/50325
2003         * expmed.c (store_bit_field_1): Use extract_bit_field on big
2004         endian targets if the source cannot be exactly covered by word
2005         mode chunks.
2006
2007 2011-11-15  Joseph Myers  <joseph@codesourcery.com>
2008
2009         * config/i386/i386elf.h (ASM_OUTPUT_ASCII): Change STRING_LIMIT to
2010         ELF_STRING_LIMIT.
2011
2012 2011-11-15  Richard Henderson  <rth@redhat.com>
2013
2014         * config/alpha/alpha.c (alpha_pre_atomic_barrier): New.
2015         (alpha_post_atomic_barrier): New.
2016         (alpha_split_atomic_op): New memmodel argument; honor it.
2017         (alpha_split_compare_and_swap): Take array of operands.  Honor
2018         memmodel; always set bool output
2019         (alpha_expand_compare_and_swap_12): Similarly.
2020         (alpha_split_compare_and_swap_12): Similarly.
2021         (alpha_split_atomic_exchange): Similarly.  Rename from
2022         alpha_split_lock_test_and_set.
2023         (alpha_expand_atomic_exchange_12): Similarly.  Rename from
2024         alpha_expand_lock_test_and_set_12.
2025         (alpha_split_atomic_exchange_12): Similarly.  Rename from
2026         alpha_split_lock_test_and_set_12.
2027         * config/alpha/alpha-protos.h: Update.
2028         * config/alpha/alpha.md (UNSPECV_CMPXCHG): New.
2029         * config/alpha/constraints.md ("w"): New.
2030         * config/alpha/predicates.md (mem_noofs_operand): New.
2031         * config/alpha/sync.md (atomic_compare_and_swap<mode>): Rename from
2032         sync_compare_and_swap<mode>; add the new parameters.
2033         (atomic_exchange<mode>): Update from sync_test_and_set<mode>.
2034         (atomic_fetch_<op><mode>): Update from sync_old_<op><mode>.
2035         (atomic_<op>_fetch<mode>): Update from sync_new_<op><mode>.
2036         (atomic_<op><mode>): Update from sync_<op><mode>.
2037
2038 2011-11-16  Tom de Vries  <tom@codesourcery.com>
2039
2040         * tree-ssa-tail-merge.c (replace_block_by): Add frequency of bb2 to bb1.
2041
2042 2011-11-16  Alan Modra  <amodra@gmail.com>
2043
2044         PR rtl-optimization/51051
2045         PR bootstrap/51086
2046         * function.c (thread_prologue_and_epilogue_insns): Guard
2047         emitting return with single_succ_p test.
2048
2049 2011-11-15  Joern Rennecke  <joern.rennecke@embecosm.com>
2050
2051         * config/epiphany/epiphany.md (mov<mode>cc): Fix code to
2052         get mode from CMP_OP1 if CMP_OP0 is VOIDmode.
2053
2054 2011-11-15  Uros Bizjak  <ubizjak@gmail.com>
2055
2056         * config/i386/sse.md (vec_pack_trunc_v2df): Optimize sequence for AVX.
2057         (vec_pack_sfix_trunc_v2df): Ditto.
2058         (vec_pack_sfix_v2df): Ditto.
2059         (vec_pack_sfix_trunc_v4df): Generate fix_truncv4dfv4si2 and
2060         avx_vec_concatv8si patterns.
2061         (vec_pack_sfix_v4df): Generate avx_cvtpd2dq256 and
2062         avx_vec_concatv8si patterns.
2063
2064 2011-11-15  Torvald Riegel  <triegel@redhat.com>
2065
2066         * c-parser.c (c_parser_transaction_expression): Require parentheses
2067         when parsing transaction expressions.
2068
2069 2011-11-15  Tristan Gingold  <gingold@adacore.com>
2070
2071         * incpath.c (get_added_cpp_dirs): New function.
2072         * incpath.h (get_added_cpp_dirs): Declare.
2073         * config/vms/vms-c.c (vms_c_register_includes): New function.
2074         (vms_std_modules): New variable.
2075         * config/vms/vms.h (TARGET_EXTRA_INCLUDES): Define.
2076         (vms_c_register_includes): Declare.
2077
2078 2011-11-15  Tristan Gingold  <gingold@adacore.com>
2079
2080         * c-family/c-pragma.h (pragma_extern_prefix): Declare.
2081         * c-family/c-pragma.c (pragma_extern_prefix): Make it public.
2082         * config/vms/vms-c.c (saved_extern_prefix): New variable.
2083         (vms_pragma_extern_prefix): New function.
2084         (vms_c_register_pragma): Register vms_pragma_extern_prefix.
2085
2086 2011-11-15  Georg-Johann Lay  <avr@gjlay.de>
2087
2088         PR target/49868
2089         * config/avr/avr.h (ADDR_SPACE_PGM): New address spaces.
2090         (REGISTER_TARGET_PRAGMAS): New define.
2091         * config/avr/avr-protos.h (avr_mem_pgm_p): New.
2092         (avr_load_libgcc_p): New.
2093         (avr_register_target_pragmas): New.
2094         (asm_output_external_libcall): Remove.
2095         (avr_log_t): Add field "progmem".  Order alphabetically.
2096         * config/avr/avr-log.c (avr_log_set_avr_log): Set avr_log.progmem.
2097         * config/avr/avr-c.c (langhooks.h): New include.
2098         (avr_register_target_pragmas): New function. Register address
2099         space __pgm.
2100         (avr_cpu_cpp_builtins): Add built-in define __PGM.
2101
2102         * config/avr/avr.c: Include "c-family/c-common.h".
2103         (TARGET_LEGITIMATE_ADDRESS_P): Remove define.
2104         (TARGET_LEGITIMIZE_ADDRESS): Remove define.
2105         (TARGET_ADDR_SPACE_SUBSET_P): Define to...
2106         (avr_addr_space_subset_p): ...this new static function.
2107         (TARGET_ADDR_SPACE_CONVERT): Define to...
2108         (avr_addr_space_convert): ...this new static function.
2109         (TARGET_ADDR_SPACE_ADDRESS_MODE): Define to...
2110         (avr_addr_space_address_mode): ...this new static function.
2111         (TARGET_ADDR_SPACE_POINTER_MODE): Define to...
2112         (avr_addr_space_pointer_mode): ...this new static function.
2113         (TARGET_ADDR_SPACE_LEGITIMATE_ADDRESS_P): Define to...
2114         (avr_addr_space_legitimate_address_p): ...this new static function.
2115         (TARGET_ADDR_SPACE_LEGITIMIZE_ADDRESS): Define to...
2116         (avr_addr_space_legitimize_address): ...this new static function.
2117         (avr_mode_code_base_reg_class): Handle address spaces.
2118         (avr_regno_mode_code_ok_for_base_p): Ditto.
2119         (lpm_addr_reg_rtx, lpm_reg_rtx, all_regs_rtx): New static variables.
2120         (avr_option_override): Initialize them.
2121         (output_reload_in_const): Use all_regs_rtx. Fix signedness of loop
2122         variables.
2123         (avr_pgm_segment): New static function.
2124         (avr_decl_pgm_p, avr_mem_pgm_p): New static functions.
2125         (avr_out_lpm, avr_out_lpm_no_lpmx): New static functions.
2126         (output_movqi, output_movhi, output_movsisf, avr_out_movpsi): Call
2127         avr_out_lpm to handle loads from progmem.
2128         (avr_load_libgcc_p): New static function.
2129         (avr_progmem_p): Test if decl is in flash.
2130         (avr_pgm_pointer_const_p): New static function.
2131         (avr_nonconst_pointer_addrspace): New static function.
2132         (avr_pgm_check_var_decl): New static function.
2133         (avr_insert_attributes): Use it.  Change error message to report
2134         cause (progmem or address space) when code wants to write to flash.
2135         (avr_section_type_flags): Unset section flag SECTION_BSS for
2136         data in progmem.
2137
2138         * config/avr/predicates.md (nop_general_operand): New predicate.
2139         (nox_general_operand): New predicate.
2140         * config/avr/avr.md (LPM_REGNO): New define_constant.
2141         (load<mode>_libgcc): New expander.
2142         (*load.<mode>.libgcc): New insn.
2143         (mov<mode>): Handle loads from non-generic AS.
2144         (movmemhi): Ditto.  Propagate address space information to newly
2145         created MEM.
2146         (movqi_insn, *movhi, *movpsi, *movsi, *movsf): Change predicate #1
2147         to nox_general_operand.
2148         (ashrqi3, ashrhi3, ashrsi3): Change predicate #1 to
2149         nop_general_operand.
2150         (ashlqi3, *ashlqi3, ashlhi3, ashlsi3): Ditto.
2151         (lshrqi3, *lshrqi3, lshrhi3, lshrsi3): Ditto.
2152         (split-lpmx): New split.
2153         (*ashlhi3_const, *ashlsi3_const, *ashrhi3_const, *ashrsi3_const,
2154         *lshrhi3_const, *lshrsi3_const): Indent, unquote C.
2155
2156 2011-11-15  Maxim Kuvyrkov  <maxim@codesourcery.com>
2157
2158         * ipa-cp.c (ipa_value_from_jfunc): Make global.
2159         (ipa_cst_from_jfunc): Remove, use ipa_value_from_jfunc instead.
2160         (get_indirect_edge_target): Rename, make global.
2161         (devirtualization_time_bonus, estimate_local_effects,)
2162         (ipcp_discover_new_direct_edges): Update.
2163         * ipa-inline-analysis.c (evaluate_conditions_for_edge):
2164         Generalize to also handle types.  Rename to ...
2165         (evaluate_properties_for_edge): Use instead of
2166         evaluate_conditions_for_edge.
2167         (estimate_edge_devirt_benefit): New function.
2168         (estimate_calls_size_and_time): Use it.
2169         (estimate_node_size_and_time, estimate_ipcp_clone_size_and_time,)
2170         (inline_merge_summary): Update.
2171         (do_estimate_edge_time, do_estimate_edge_growth): Update.  Calculate
2172         parameter information at the call site and pass it on to subroutines.
2173         * tree-inline.c (estimate_num_insns): Distinguish between direct and
2174         indirect calls.
2175         (init_inline_once): Set size and time costs or indirect calls.
2176         * tree-inline.h (eni_weights): Add indirect_call_cost.
2177
2178 2011-11-15  Tom de Vries  <tom@codesourcery.com>
2179
2180         PR tree-optimization/51005
2181         * tree-ssa-tail-merge.c (delete_basic_block_same_succ): Rename to
2182         mark_basic_block_deleted.
2183         (update_worklist): Inline purge_bbs.
2184         (purge_bbs, unlink_virtual_phi, update_vuses, vop_at_entry)
2185         (delete_block_update_dominator_info): Remove.
2186         (replace_block_by): Remove update_vops parameter.  Partially evaluate
2187         for update_vops == false.
2188         (apply_clusters): Remove update_vops parameter.  Remove update_vops
2189         argument in replace_block_by call.
2190         (update_debug_stmts): Remove MAY_HAVE_DEBUG_STMTS test.
2191         (tail_merge_optimize): Remove update_vops argument to apply_clusters.
2192         Remove call to purge_bbs.  Add calls to calculate_dominance_info and
2193         free_dominance_info.  Add MAY_HAVE_DEBUG_STMTS  before calling
2194         update_debug_stmts.  Mark vop var for renaming, if necessary.
2195
2196 2011-11-15  Bernd Schmidt  <bernds@codesourcery.com>
2197
2198         PR rtl-optimization/51051
2199         * cfgrtl.c (cfg_layout_can_merge_blocks_p): Return FALSE if the
2200         move would cause fallthrough into the exit block.
2201
2202 2011-11-14  Richard Henderson  <rth@redhat.com>
2203
2204         * config/rs6000/rs6000.c (emit_load_locked): Assert the mode is
2205         handled.
2206         (emit_store_conditional): Likewise.
2207         (rs6000_pre_atomic_barrier, rs6000_post_atomic_barrier): New.
2208         (rs6000_adjust_atomic_subword): New.
2209         (rs6000_mask_atomic_subword, rs6000_finish_atomic_subword): New.
2210         (rs6000_expand_atomic_op): Rename from rs6000_emit_sync; rewrite
2211         for pre-reload expansion.
2212         (rs6000_split_compare_and_swap, rs6000_split_compare_and_swapqhi,
2213         rs6000_expand_compare_and_swapqhi): Merge into ...
2214         (rs6000_expand_atomic_compare_and_swap): ... here.  New function.
2215         rs6000_split_lock_test_and_set; expand immediately.  Handle
2216         QImode and HImode.
2217         * config/rs6000/rs6000.md (UNSPEC_LWSYNC): Move and rename
2218         from UNSPECV_LWSYNC.
2219         * config/rs6000/sync.md (fetchopsi_constr, fetchopdi_constr): Remove.
2220         (mem_thread_fence): New.
2221         (hwsync): Rename from memory_barrier.
2222         (*hwsync): Rename from *sync_internal.
2223         (lwsync, *lwsync): Mirror hwsync implementation.
2224         (isync): Don't reference memory.
2225         (loadsync): New.
2226         (atomic_load<INT>, atomic_store<INT>): New.
2227         (ATOMIC): New mode iterator.
2228         (load_locked<ATOMIC>): Rename from load_locked_<GPR>.
2229         (store_conditional<ATOMIC>): Rename from store_conditional_<GPR>.
2230         (sync_compare_and_swap<GPR>): Remove.
2231         (sync_compare_and_swaphi, sync_compare_and_swapqi): Remove.
2232         (sync_compare_and_swapqhi_internal): Remove.
2233         (sync_lock_test_and_set<GPR>): Remove.
2234         (sync_<FETCHOP><INT1>): Remove.
2235         (*sync_<FETCHOP>si_internal, *sync_<FETCHOP>di_internal): Remove.
2236         (sync_nand<INT1>, *sync_nand<GPR>_internal): Remove.
2237         (sync_old_<FETCHOP><GPR>): Remove.
2238         (*sync_old_<FETCHOP>si_internal): Remove.
2239         (*sync_old_<FETCHOP>di_internal): Remove.
2240         (sync_old_nand<INT1>): Remove.
2241         (*sync_old_nand<GPR>_internal): Remove.
2242         (sync_new_<FETCHOP><GPR>): Remove.
2243         (*sync_new_<FETCHOP>si_internal): Remove.
2244         (*sync_new_<FETCHOP>di_internal): Remove.
2245         (sync_new_nand<INT1>): Remove.
2246         (*sync_new_nand<GPR>_internal): Remove.
2247         (*atomic_andsi, *atomic_anddi): Remove.
2248         (*sync_addshort_internal, *sync_subshort_internal): Remove.
2249         (*sync_andsi_internal, *sync_boolsi_internal): Remove.
2250         (*sync_boolcshort_internal): Remove.
2251         (sync_lock_release<INT1>): Remove.
2252         (atomic_compare_and_swap<INT1>): New.
2253         (atomic_exchange<INT1>): New.
2254         (atomic_<FETCHOP><INT1>, atomic_nand<INT1>): New.
2255         (atomic_fetch_<FETCHOP><INT1>, atomic_fetch_nand<INT1>): New.
2256         (atomic_<FETCHOP>_fetch<INT1>, atomic_nand_fetch<INT1>): New.
2257
2258 2011-11-14  Uros Bizjak  <ubizjak@gmail.com>
2259
2260         * config/i386/sse.md (round<mode>2): Use register_operand for
2261         operand 1 predicate.
2262         (round<mode>2_sfix): Ditto.
2263         (round<mode>2_vec_pack_sfix): Ditto for operand 1 and operand 2.
2264
2265 2011-11-14  Nathan Sidwell  <nathan@acm.org>
2266
2267         * gcov.c (canonicalize_name): Protect use of S_ISLNK.
2268
2269 2011-11-14  Jan Hubicka  <jh@suse.cz>
2270
2271         PR target/51126
2272         * config/i386/i386.c (core cost model): Correct pasto.
2273
2274 2011-11-14  Uros Bizjak  <ubizjak@gmail.com>
2275
2276         * config/i386/sse.md (round<mode>2_sfix): New expander.
2277         (round<mode>2_vec_pack_sfix): Ditto.
2278         (<sse4_1>_round<ssemodesuffix>_sfix<avxsizesuffix>): Ditto.
2279         (<sse4_1>_round<ssemodesuffix>_vec_pack_sfix<avxsizesuffix>): Ditto.
2280         * config/i386/builtin-types.def (V4SI_FTYPE_V4SF_ROUND,
2281         V8SI_FTYPE_V8SF_ROUND, V4SI_FTYPE_V2DF_V2DF_ROUND,
2282         V8SI_FTYPE_V4DF_V4DF_ROUND): New builtin types.
2283         * config/i386/i386.c (ix86_builtins): Add
2284         IX86_BUILTIN_{FLOORPD,CEILPD,ROUNDPD_AZ}_VEC_PACK_SFIX{,256} and
2285         IX86_BUILTIN_{FLOORPS,CEILPS,ROUNDPS_AZ}_SFIX{,256} defines.
2286         (bdesc_args): Add __builtin_ia32_{floorpd,ceilpd}_vec_pack_sfix{,256},
2287         __builtin_ia32_roundpd_az_vec_pack_sfix{,256},
2288         __builtin_ia32_{floorps,ceilps}_sfix{,256}and
2289         __builtin_ia32_roundps_az_sfix{,256} descriptions.
2290         (ix86_expand_sse_round_vec_pack_sfix): New.
2291         (ix86_expand_args_builtin): Handle V4SI_FTYPE_V4SF_ROUND,
2292         V8SI_FTYPE_V8SF_ROUND, V4SI_FTYPE_V2DF_V2DF_ROUND and
2293         V8SI_FTYPE_V4DF_V4DF_ROUND types.  Check last argument of
2294         CODE_FOR_sse4_1_roundpd_vec_pack_sfix, CODE_FOR_sse4_1_roundps_sfix,
2295         CODE_FOR_avx_roundpd_vec_pack_sfix256 and CODE_FOR_avx_roundps_sfix256.
2296         (ix86_builtin_vectorized_function): Handle
2297         BUILT_IN_{I,L,LL}FLOOR{,F}, BUILT_IN_{I,L,LL}CEIL{,F} and
2298         BUILT_IN_{I,L,LL}ROUND{,F}
2299
2300 2011-11-14  Jan Hubicka  <jh@suse.cz>
2301
2302         PR middle-end/50598
2303         * cgraph.h (varpool_externally_visible_p): Declare.
2304         (varpool_add_new_variable): Declare.
2305         * tree-emultls.c (get_emutls_init_templ_addr,
2306         new_emutls_decl): Use varpool_add_new_variable.
2307         * ipa.c (varpool_externally_visible_p): Export.
2308         * varpool.c (varpool_add_new_variable): New function.
2309
2310 2011-11-14  Michael Zolotukhin  <michael.v.zolotukhin@gmail.com>
2311             Jan Hubicka  <jh@suse.cz>
2312
2313         * config/i386/i386.h (processor_costs): Add second dimension to
2314         stringop_algs array.
2315         * config/i386/i386.c (cost models): Initialize second dimension of
2316         stringop_algs arrays.
2317         (core_cost): New costs based on generic64 costs with updated stringop
2318         values.
2319         (promote_duplicated_reg): Add support for vector modes, add
2320         declaration.
2321         (promote_duplicated_reg_to_size): Likewise.
2322         (processor_target): Set core costs for core variants.
2323         (expand_set_or_movmem_via_loop_with_iter): New function.
2324         (expand_set_or_movmem_via_loop): Enable reuse of the same iters in
2325         different loops, produced by this function.
2326         (emit_strset): New function.
2327         (expand_movmem_epilogue): Add epilogue generation for bigger sizes,
2328         use SSE-moves where possible.
2329         (expand_setmem_epilogue): Likewise.
2330         (expand_movmem_prologue): Likewise for prologue.
2331         (expand_setmem_prologue): Likewise.
2332         (expand_constant_movmem_prologue): Likewise.
2333         (expand_constant_setmem_prologue): Likewise.
2334         (decide_alg): Add new argument align_unknown.  Fix algorithm of
2335         strategy selection if TARGET_INLINE_ALL_STRINGOPS is set; Skip sse_loop
2336         (decide_alignment): Update desired alignment according to chosen move
2337         mode.
2338         (ix86_expand_movmem): Change unrolled_loop strategy to use SSE-moves.
2339         (ix86_expand_setmem): Likewise.
2340         (ix86_slow_unaligned_access): Implementation of new hook
2341         slow_unaligned_access.
2342         * config/i386/i386.md (strset): Enable half-SSE moves.
2343         * config/i386/sse.md (vec_dupv4si): Add expand for vec_dupv4si.
2344         (vec_dupv2di): Add expand for vec_dupv2di.
2345
2346 2011-11-14  Dimitrios Apostolou  <jimis@gmx.net>
2347
2348         PR bootstrap/51094
2349         PR middle-end/51116
2350         * config/elfos.h (TARGET_ASM_INTERNAL_LABEL): Remove.
2351         * varasm.c (default_elf_internal_label): Remove.
2352
2353 2011-11-14  Kai Tietz  <ktietz@redhat.com>
2354
2355         * gcov.c (generate_results): Add missing semicolon and correct indent.
2356
2357 2011-11-14  Ira Rosen  <ira.rosen@linaro.org>
2358
2359         PR bootstrap/51112
2360         * tree-vect-stmts.c (vectorizable_condition): Initialize comp_vectype.
2361
2362 2011-11-14  Mingjie Xing  <mingjie.xing@gmail.com>
2363
2364         * doc/invoke.texi (Wunused-result): Change @pxref{Variable Attributes}
2365         to @pxref{Function Attributes}.
2366
2367 2011-11-13  Oleg Endo  <oleg.endo@t-online.de>
2368
2369         PR target/50694
2370         * config/sh/sh.h (IS_LITTLE_ENDIAN_OPTION, UNSUPPORTED_SH2A):
2371         New macros.
2372         (DRIVER_SELF_SPECS): Use new macros to filter out unsupported options
2373         taking the default configuration into account.
2374
2375 2011-11-13  Jonathan Wakely  <jwakely.gcc@gmail.com>
2376
2377         * doc/install.texi (Specific): Fix anchor for
2378         x86_64-*-solaris2.1[0-9]*.
2379
2380 2011-11-13  Nathan Sidwell  <nathan@acm.org>
2381
2382         * gcov.c (source_prefix, source_length): New globals.
2383         (flag_relative_only): Likewise.
2384         (print_usage, options, process_args): Update.
2385         (generate_results): Use coverage.name, check
2386         flag_relative_only. Adjust messages.
2387         (find_source): Check source_prefix.
2388         (output_lines): Use coverage.name, adjust messages.
2389         * doc/gcov.texi (Invoking Gcov): Document new options.
2390
2391 2011-11-12  Jason Merrill  <jason@redhat.com>
2392
2393         PR c++/51060
2394         * gimplify.c (gimplify_target_expr): Add a clobber to the cleanup.
2395         (gimplify_modify_expr): Don't try to simplify it.
2396
2397 2011-11-12  Dimitrios Apostolou  <jimis@gmx.net>
2398
2399         PR bootstrap/51094
2400         * config/elfos.h (STRING_ASM_OP): Define.
2401         * varasm.c (default_elf_asm_output_limited_string): Use it.
2402
2403         PR bootstrap/51094
2404         * gcc/configure.ac: Check for stpcpy declaration.
2405         * system.h: Declare it if not.
2406         * config.in, configure: Regenerate.
2407
2408 2011-11-12  Richard Henderson  <rth@redhat.com>
2409
2410         * config/rs6000/rs6000.md (fix_trunc<SFDF>si2_stfiwx): Use
2411         nonimmediate_operand for the destination.
2412         (fixuns_trunc<SFDF>si2_stfiwx): Likewise.
2413
2414         * builtins.c (expand_builtin_compare_and_swap): If target is const0,
2415         don't pass the target to expand_atomic_compare_and_swap.
2416         (expand_builtin_atomic_compare_exchange): Likewise.
2417
2418         * config/sh/linux.h (TARGET_INIT_LIBFUNCS): New.
2419         * config/sh/sh.c (sh_init_sync_libfuncs): New.
2420
2421         * config/pa/pa-linux.h (TARGET_SYNC_LIBCALL): New.
2422         * config/pa/pa.h (TARGET_SYNC_LIBCALL): New default.
2423         * config/pa/pa.c (pa_init_libfuncs): Use init_sync_libfuncs.
2424
2425 2011-11-12  Iain Sandoe  <iains@gcc.gnu.org>
2426
2427         PR target/45233
2428         * config/rs6000/rs6000.c (rs6000_legitimize_reload_address):
2429         Only expand a symbol ref. into an access when the entity is defined
2430         in the TU.
2431
2432 2011-11-12  Jan Hubicka  <jh@suse.cz>
2433
2434         PR bootstrap/50822
2435         * cgraphunit.c (output_weakrefs): Output really only weakrefs.
2436
2437 2011-11-12  Nathan Sidwell  <nathan@acm.org>
2438
2439         * gcov.c (struct name_map): New.
2440         (names, n_names, a_names): New global vars.
2441         (print_usage): Adjust usage.
2442         (generate_results): Canonicalize main file name.
2443         (release_structures): Adjust.
2444         (name_search, name_sort): New callbacks.
2445         (find_source): Look for and create a canonical name.
2446         (canonicalize_name): New.
2447         (make_gcov_file_name): Reimplement and fix mangling.
2448         (mangle_name): New.
2449         * doc/gcov.texi: Update documentation about path preservation.
2450
2451 2011-11-11  David S. Miller  <davem@davemloft.net>
2452
2453         * config/sparc/linux.h (ASM_GENERATE_INTERNAL_LABEL): Delete.
2454         * config/sparc/linux64.h (ASM_GENERATE_INTERNAL_LABEL): Delete.
2455
2456 2011-11-11  Jakub Jelinek  <jakub@redhat.com>
2457
2458         * config/i386/i386-protos.h (ix86_maybe_emit_epilogue_vzeroupper):
2459         New prototype.
2460         * config/i386/i386.c (ix86_maybe_emit_epilogue_vzeroupper): New
2461         function.
2462         (ix86_expand_epilogue): Use it.
2463         * config/i386/i386.md (return, simple_return): Call it in the
2464         expanders.
2465
2466         PR tree-optimization/51091
2467         * tree-stdarg.c (execute_optimize_stdarg): Ignore TREE_CLOBBER_P
2468         rhs also in the va_list_simple_ptr case.
2469
2470         PR tree-optimization/51058
2471         * tree-vect-slp.c (vect_remove_slp_scalar_calls): New function.
2472         (vect_schedule_slp): Call it.
2473         * tree-vect-stmts.c (vectorizable_call): If slp_node != NULL,
2474         don't replace scalar calls with setting of their lhs to zero here.
2475
2476         PR tree-optimization/51074
2477         * fold-const.c (vec_cst_ctor_to_array, fold_vec_perm): New functions.
2478         (fold_binary_loc): Handle VEC_EXTRACT_EVEN_EXPR,
2479         VEC_EXTRACT_ODD_EXPR, VEC_INTERLEAVE_HIGH_EXPR and
2480         VEC_INTERLEAVE_LOW_EXPR with VECTOR_CST or CONSTRUCTOR operands.
2481         (fold_ternary_loc): Handle VEC_PERM_EXPR with VECTOR_CST or
2482         CONSTRUCTOR operands.
2483         * tree-ssa-propagate.c (valid_gimple_rhs_p): Handle ternary
2484         expressions.
2485         * tree-vect-generic.c (lower_vec_perm): Mask sel_int elements
2486         to 0 .. 2 * elements - 1.
2487
2488 2011-11-11  Richard Henderson  <rth@redhat.com>
2489
2490         * gimple-pretty-print.c (dump_gimple_omp_atomic_load): Dump needed.
2491         (dump_gimple_omp_atomic_store): Likewise.
2492         * optabs.c (can_atomic_exchange_p): New.
2493         * optabs.h (can_atomic_exchange_p): Declare.
2494         * omp-low.c (expand_omp_atomic_load): Implement.
2495         (expand_omp_atomic_store): Likewise.
2496         (expand_omp_atomic): Update for new arguments to load/store.
2497
2498 2011-11-11  Eric Botcazou  <ebotcazou@adacore.com>
2499
2500         * cprop.c: Adjust outdated comments throughout.
2501         (hash_scan_set): Rename PAT parameter into SET.
2502         (cprop_pavloc): Rename into...
2503         (cprop_avloc): ...this.
2504         (cprop_absaltered): Rename into...
2505         (cprop_kill): ...this.
2506         (alloc_cprop_mem): Adjust for above renaming.
2507         (free_cprop_mem): Likewise.
2508         (compute_cprop_data): Likewise.
2509         (compute_local_properties): Rename TRANSP parameter into KILL and
2510         adjust throughout.  Rework comments.
2511         (try_replace_reg): Fix long line.
2512         (cprop_jump): Likewise.
2513         (constprop_register): Fix prototype and take INSN last.
2514         (cprop_insn): Adjust calls to above function.  Fix long lines.
2515         (bypass_block): Likewise.
2516         (one_cprop_pass): Likewise.
2517
2518 2011-11-11  Uros Bizjak  <ubizjak@gmail.com>
2519
2520         * config/alpha/elf.h (ELF_ASCII_ESCAPES): Rename from ESCAPES.
2521         (ELF_STRING_LIMIT): Rename from STRING_LIMIT.
2522
2523 2011-11-11  Jason Merrill  <jason@redhat.com>
2524
2525         * varasm.c (default_elf_asm_output_limited_string): #ifdef
2526         ELF_ASCII_ESCAPES.
2527         (default_elf_asm_output_ascii): Likewise.
2528
2529 2011-11-11  Uros Bizjak  <ubizjak@gmail.com>
2530
2531         PR target/50762
2532         * config/i386/constraints.md (j): New address constraint.
2533         * config/i386/predicates.md (lea_address_operand): Redefine as
2534         special predicate.
2535         * config/i386/i386.md (*lea_3_zext): Use "j" constraint for operand 1.
2536         (*lea_4_zext): Ditto.
2537
2538 2011-11-11  David S. Miller  <davem@davemloft.net>
2539
2540         Revert
2541         2011-11-05  David S. Miller  <davem@davemloft.net>
2542
2543         * config/sparc/sparc.md (UNSPEC_SHORT_LOAD): New unspec.
2544         (zero-extend_v8qi_vis, zero_extend_v4hi_vis): New expanders.
2545         (*zero_extend_v8qi_<P:mode>_insn,
2546         *zero_extend_v4hi_<P:mode>_insn): New insns.
2547         * config/sparc/sparc.c (vector_init_move_words,
2548         vector_init_prepare_elts, sparc_expand_vector_init_vis2,
2549         sparc_expand_vector_init_vis1): New functions.
2550         (vector_init_bshuffle): Rewrite to handle more cases and make use
2551         of locs[] array prepared by vector_init_prepare_elts.
2552         (vector_init_fpmerge, vector_init_faligndata): Delete.
2553         (sparc_expand_vector_init): Rewrite using new infrastructure.
2554
2555 2011-11-11  Jakub Jelinek  <jakub@redhat.com>
2556
2557         * opts-common.c (generate_canonical_option): Free opt_text
2558         it it has been allocated here and not stored anywhere.
2559
2560         * tree-vect-slp.c (vect_free_slp_tree): Also free SLP_TREE_CHILDREN
2561         vector.
2562         (vect_create_new_slp_node): Don't allocate node before checking stmt
2563         type.
2564         (vect_free_oprnd_info): Remove FREE_DEF_STMTS argument, always
2565         free def_stmts vectors and additionally free oprnd_info.
2566         (vect_build_slp_tree): Adjust callers.  Call it even if
2567         stop_recursion.  If vect_create_new_slp_node or
2568         vect_build_slp_tree fails, properly handle freeing memory.
2569         If it succeeded, clear def_stmts in oprnd_info.
2570
2571 2011-11-11  Dimitrios Apostolou  <jimis@gmx.net>
2572
2573         * defaults.h (ASM_OUTPUT_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Expand on
2574         multiple lines for readability.
2575         * output.h (fprint_whex, fprint_w, fprint_ul, sprint_ul): Declare.
2576         (ASM_OUTPUT_LABELREF): Call fputs instead of asm_fprintf.
2577         * dwarf2asm.c (dw2_assemble_integer, dw2_asm_output_data,
2578         dw2_asm_data_uleb128, dw2_asm_delta_uleb128,
2579         dw2_asm_delta_sleb128): Convert fprintf calls to the new functions.
2580         * dwarf2out.c (dwarf2out_source_line): Call fprint_ul instead of
2581         fprintf.
2582         * final.c (fprint_whex, fprint_w, fprint_ul, sprint_ul): New functions
2583         serving as fast replacements for fprintf integer to string conversions.
2584         (sprint_ul_rev): Internal helper for the above.
2585         (output_addr_const) <CONST_INT>: Don't use fprintf.
2586         * varasm.c: Fix some whitespace inconsistencies.
2587         (default_elf_asm_output_limited_string): New.
2588         (default_elf_asm_output_ascii): Likewise.
2589         (default_elf_internal_label): Likewise.
2590         * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Use sprint_ul and
2591         stpcpy instead of sprintf.
2592         (TARGET_ASM_INTERNAL_LABEL): Define as default_elf_internal_label.
2593         (ELF_ASCII_ESCAPES, ELF_STRING_LIMIT): Rename from old ESCAPES and
2594         STRING_LIMIT macros.
2595         (ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII): Call functions that
2596         provide the same functionality.
2597         * config/i386/i386.c (print_reg): Call fprint_ul instead of fprintf.
2598
2599 2011-11-10  Andrew MacLeod  <amacleod@redhat.com>
2600
2601         * doc/extend.texi: Document __atomic_test_and_set and __atomic_clear.
2602
2603 2011-11-10  Andrew MacLeod  <amacleod@redhat.com>
2604
2605         PR middle-end/51038
2606         * builtins.c (expand_builtin_atomic_clear): New.  Expand atomic_clear.
2607         (expand_builtin_atomic_test_and_set): New.  Expand atomic test_and_set.
2608         (expand_builtin): Add cases for test_and_set and clear.
2609         * sync-builtins.def (BUILT_IN_ATOMIC_TEST_AND_SET): New.
2610         (BUILT_IN_ATOMIC_CLEAR): New.
2611
2612 2011-11-10  Roberto Agostino Vitillo  <ravitillo@lbl.gov>
2613
2614         PR debug/50983
2615         * dwarf2out.c (set_cur_line_info_table): Restore the last is_stmt
2616         value in the current line table.
2617
2618 2011-11-10  Nathan Sidwell  <nathan@acm.org>
2619
2620         * gcov.c (struct function_info): Make src an index, not a pointer.
2621         (struct source_info): Remove index and next source fields.
2622         (fn_end): New static var.
2623         (sources_index): Remove.
2624         (sources): Now a pointer to an array, not a list.
2625         (n_sources, a_sources): New.
2626         (process_file): Adjust for changes to read_graph_file. Insert
2627         functions into source lists and check line numbers here.
2628         (generate_results): Only allocate lines for sources with
2629         contents.  Adjust for source array.
2630         (release_structures): Likewise.
2631         (find_source): Return source index, adjust for source array.
2632         (read_graph_file): Return function list.  Don't insert into source
2633         lists here.
2634         (read_count_file): Take list of functions.
2635         (solve_flow_graph): Reverse the arc lists here.
2636         (add_line_counts): Adjust for source array.
2637
2638 2011-11-10  Jakub Jelinek  <jakub@redhat.com>
2639
2640         PR middle-end/51077
2641         * tree-object-size.c (addr_object_size): Check TREE_CODE of
2642         MEM_REF's operand rather than code of the MEM_REF itself.
2643
2644 2011-11-10  Andrew MacLeod  <amacleod@redhat.com>
2645
2646         PR rtl-optimization/51040
2647         * optabs.c (expand_atomic_fetch_op): Patchup code for NAND should
2648         be AND followed by NOT.
2649         * builtins.c (expand_builtin_atomic_fetch_op): Patchup code for NAND
2650         should be AND followed by NOT.
2651
2652 2011-11-10  Jakub Jelinek  <jakub@redhat.com>
2653
2654         * vec.h (VEC_BASE): If base is at offset 0 in the structure,
2655         use &(P)->base even if P is NULL.
2656
2657         PR rtl-optimization/51023
2658         * combine.c (simplify_comparison) <case SIGN_EXTEND>: Don't use
2659         val_signbit_known_clear_p for signed comparison narrowing
2660         optimization.  Don't check for non-VOIDmode, use
2661         HWI_COMPUTABLE_MODE_P macro.
2662         <case ZERO_EXTEND>: Don't check for non-VOIDmode.
2663         Optimize even when const_op is equal to GET_MODE_MASK (mode),
2664         don't optimize if const_op is negative.
2665
2666 2011-11-10  Richard Guenther  <rguenther@suse.de>
2667
2668         PR tree-optimization/51042
2669         * tree-ssa-pre.c (phi_translate_1): Avoid recursing on
2670         self-referential expressions.  Refactor code to avoid duplication.
2671
2672 2011-11-10  Richard Guenther  <rguenther@suse.de>
2673
2674         PR tree-optimization/51070
2675         * tree-loop-distribution.c (generate_builtin): Do not replace
2676         the loop with a builtin if the partition contains statements which
2677         results are used outside of the loop.
2678         (pass_loop_distribution): Verify and collect.
2679
2680 2011-11-10  Richard Guenther  <rguenther@suse.de>
2681
2682         PR tree-optimization/51030
2683         * tree-ssa-phiopt.c (jump_function_from_stmt): New function.
2684         (value_replacement): Use it to handle trivial non-empty
2685         intermediate blocks.
2686
2687 2011-11-10  Richard Guenther  <rguenther@suse.de>
2688
2689         PR middle-end/51071
2690         * gimple.c (gimple_has_side_effects): Remove checking code
2691         that doesn't belong here.
2692
2693 2011-11-10  Ira Rosen  <ira.rosen@linaro.org>
2694
2695         PR tree-optimization/51058
2696         * tree-vect-slp.c (vect_get_constant_vectors): Handle CALL_EXPR.
2697
2698 2011-11-10  Jakub Jelinek  <jakub@redhat.com>
2699
2700         PR tree-optimization/51000
2701         * tree-vect-patterns.c (vect_recog_bool_pattern): If adding
2702         a pattern stmt for a bool store, adjust DR_STMT too.
2703         Don't handle bool conversions to single bit precision lhs.
2704         * tree-vect-stmts.c (vect_remove_stores): If next is a pattern
2705         stmt, remove its related stmt and free its stmt_vinfo.
2706         (free_stmt_vec_info): Free also pattern stmt's vinfo and
2707         pattern def stmt's vinfo.
2708         * tree-vect-loop.c (destroy_loop_vec_info): Don't try to
2709         free pattern stmt's vinfo here.
2710         (vect_transform_loop): When calling vect_remove_stores,
2711         do gsi_next first and don't call gsi_remove.  If not strided
2712         store, free stmt vinfo for gsi_stmt (si) rather than stmt.
2713
2714 2011-11-09  Jakub Jelinek  <jakub@redhat.com>
2715
2716         PR target/50911
2717         * config/i386/i386.c (expand_vec_perm_interleave2): If d->vmode is
2718         V4SImode, !TARGET_SSE2 and punpck[lh]* is needed, change dremap.vmode
2719         to V4SFmode.
2720
2721         * function.h (requires_stack_frame_p): New prototype.
2722         * function.c (requires_stack_frame_p): No longer static.
2723         * config/i386/i386.c (ix86_finalize_stack_realign_flags): If
2724         stack_realign_fp was just a conservative guess for a function
2725         which doesn't use sp/fp/argp at all, clear frame_pointer_needed
2726         and stack realignment.
2727
2728 2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>
2729
2730         PR preprocessor/51061
2731         * incpath.c (merge_include_chains): Make sure to not pass null
2732         pointers to free_path.
2733
2734 2011-11-09  Paolo Carlini  <paolo.carlini@oracle.com>
2735
2736         * doc/invoke.texi ([Option Summary, C++ Language Options]):
2737         Add -Wzero-as-null-pointer-constant.
2738
2739 2011-11-07  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
2740
2741         * config/arm/arm-cores.def: Add -mcpu=cortex-a7.
2742         * config/arm/arm-tables.opt: Regenerate.
2743         * config/arm/arm-tune.md: Likewise.
2744         * config/arm/bpabi.h (BE8_LINK_SPEC): Add Cortex A-7.
2745         * doc/invoke.texi: Document -mcpu=cortex-a7.
2746
2747 2011-11-09  Richard Guenther  <rguenther@suse.de>
2748
2749         Revert
2750         2011-11-09  Richard Guenther  <rguenther@suse.de>
2751
2752         * tree-cfg.c (verify_gimple_call): Verify that
2753         gimple_call_cannot_inline_p is returning a conservative
2754         correct result according to gimple_check_call_matching_types.
2755
2756 2011-11-09  Richard Guenther  <rguenther@suse.de>
2757
2758         PR tree-optimization/51039
2759         * tree-cfg.c (verify_gimple_call): Verify that
2760         gimple_call_cannot_inline_p is returning a conservative
2761         correct result according to gimple_check_call_matching_types.
2762         * ipa-inline-analysis.c (estimate_function_body_sizes): Remove
2763         code dealing with un-inlinablility.
2764         * gimple-streamer-in.c (input_gimple_stmt): Update the
2765         non-inlinable flag.
2766
2767 2011-11-09  Richard Guenther  <rguenther@suse.de>
2768
2769         PR tree-optimization/51039
2770         * tree-inline.c (setup_one_parameter): Always perform a
2771         valid gimple type change.
2772         (declare_return_variable): Likewise.
2773
2774 2011-11-09  Jakub Jelinek  <jakub@redhat.com>
2775
2776         * config/rs6000/vector.md (vcondv4sfv4si, vcondv4siv4sf,
2777         vconduv4sfv4si): New patterns.
2778         * config/rs6000/rs6000.c (rs6000_emit_vector_cond_expr): Handle
2779         different dest_mode from comparison mode.
2780
2781 2011-11-09  Richard Guenther  <rguenther@suse.de>
2782
2783         * gimple-fold.c (canonicalize_constructor_val): Mark
2784         address-taken variables addressable.
2785
2786 2011-11-09  Ira Rosen  <ira.rosen@linaro.org>
2787
2788         PR tree-optimization/51015
2789         * tree-vect-loop.c (vect_determine_vectorization_factor): Expect
2790         vectype to be set for pattern def stmts.
2791
2792 2011-11-09  Alan Modra  <amodra@gmail.com>
2793
2794         * function.c (bb_active_p): Delete.
2795         (dup_block_and_redirect, active_insn_between): New functions.
2796         (convert_jumps_to_returns, emit_return_for_exit): New functions,
2797         split out from..
2798         (thread_prologue_and_epilogue_insns): ..here.  Delete
2799         shadowing variables.  Don't do prologue register clobber tests
2800         when shrink wrapping already failed.  Delete all last_bb_active
2801         code.  Instead compute tail block candidates for duplicating
2802         exit path.  Remove these from antic set.  Duplicate tails when
2803         reached from both blocks needing a prologue/epilogue and
2804         blocks not needing such.
2805         * ifcvt.c (dead_or_predicable): Test both flag_shrink_wrap and
2806         HAVE_simple_return.
2807         * bb-reorder.c (get_uncond_jump_length): Make global.
2808         * bb-reorder.h (get_uncond_jump_length): Declare.
2809         * cfgrtl.c (rtl_create_basic_block): Comment typo fix.
2810         (rtl_split_edge): Likewise.  Warning fix.
2811         (rtl_duplicate_bb): New function.
2812         (rtl_cfg_hooks): Enable can_duplicate_block_p and duplicate_block.
2813         * Makefile.in (function.o): Update dependencies.
2814
2815 2011-11-08  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
2816             Georg-Johann Lay  <avr@gjlay.de>
2817
2818         * doc/tm.texi.in (MODE_CODE_BASE_REG_CLASS): Add address space
2819         argument.
2820         (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2821         * doc/tm.texi: Regenerate.
2822
2823         * config/cris/cris.h (MODE_CODE_BASE_REG_CLASS): Add address
2824         space argument.
2825         (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2826         * config/bfin/bfin.h (MODE_CODE_BASE_REG_CLASS): Likewise.
2827         (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
2828         * config/avr/avr.h (MODE_CODE_BASE_REG_CLASS): Add address space
2829         argument.
2830         (REGNO_MODE_CODE_OK_FOR_BASE_P): Ditto.
2831         * config/avr/avr-protos.h (avr_mode_code_base_reg_class): Ditto.
2832         (avr_regno_mode_code_ok_for_base_p): Ditto.
2833         * config/avr/avr.c (avr_mode_code_base_reg_class): Ditto.
2834         (avr_regno_mode_code_ok_for_base_p): Ditto.
2835         (avr_reg_ok_for_addr_p): Pass AS down to
2836         avr_regno_mode_code_ok_for_base_p.
2837
2838         * addresses.h (base_reg_class): Add address space argument.
2839         Pass to MODE_CODE_BASE_REG_CLASS.
2840         (ok_for_base_p_1): Add address space argument.  Pass to
2841         REGNO_MODE_CODE_OK_FOR_BASE_P.
2842         (regno_ok_for_base_p): Add address space argument.  Pass to
2843         ok_for_base_p_1.
2844
2845         * regrename.c (scan_rtx_address): Add address space argument.
2846         Pass address space to regno_ok_for_base_p and base_reg_class.
2847         Update recursive calls.
2848         (scan_rtx): Pass address space to scan_rtx_address.
2849         (build_def_use): Likewise.
2850         * regcprop.c (replace_oldest_value_addr): Add address space
2851         argument.  Pass to regno_ok_for_base_p and base_reg_class.
2852         Update recursive calls.
2853         (replace_oldest_value_mem): Pass address space to
2854         replace_oldest_value_addr.
2855         (copyprop_hardreg_forward_1): Likewise.
2856
2857         * reload.c (find_reloads_address_1): Add address space argument.
2858         Pass address space to base_reg_class and regno_ok_for_base_p.
2859         Update recursive calls.
2860         (find_reloads_address): Pass address space to base_reg_class,
2861         regno_ok_for_base_p, and find_reloads_address_1.
2862         (find_reloads): Pass address space to base_reg_class.
2863         (find_reloads_subreg_address): Likewise.
2864
2865         * ira-costs.c (record_reg_classes): Update calls to base_reg_class.
2866         (ok_for_base_p_nonstrict): Add address space argument.  Pass to
2867         ok_for_base_p_1.
2868         (record_address_regs): Add address space argument.  Pass to
2869         base_reg_class and ok_for_base_p_nonstrict.  Update recursive calls.
2870         (record_operand_costs): Pass address space to record_address_regs.
2871         (scan_one_insn): Likewise.
2872
2873         * caller-save.c (init_caller_save): Update call to base_reg_class.
2874         * ira-conflicts.c (ira_build_conflicts): Likewise.
2875         * reload1.c (maybe_fix_stack_asms): Likewise.
2876
2877 2011-11-08  Michael Matz  <matz@suse.de>
2878
2879         * gengtype.c (write_field_root): Avoid out-of-scope access of newv.
2880
2881         * tree-stdarg.c (execute_optimize_stdarg): Accept clobbers.
2882
2883         * tree.h (TREE_CLOBBER_P): New macro.
2884         * gimple.h (gimple_clobber_p): New inline function.
2885         * gimplify.c (gimplify_bind_expr): Add clobbers for all variables
2886         that go out of scope and live in memory.
2887         * tree-ssa-operands.c (get_expr_operands): Transfer volatility also
2888         for constructors.
2889         * cfgexpand.c (decl_to_stack_part): New static variable.
2890         (add_stack_var): Allocate it, and remember mapping.
2891         (fini_vars_expansion): Deallocate it.
2892         (stack_var_conflict_p): Add early outs.
2893         (visit_op, visit_conflict, add_scope_conflicts_1,
2894         add_scope_conflicts): New static functions.
2895         (expand_used_vars_for_block): Don't call add_stack_var_conflict, tidy.
2896         (expand_used_vars): Add scope conflicts.
2897         (expand_gimple_stmt_1): Expand clobbers to nothing.
2898         (expand_debug_expr): Ditto.
2899
2900         * tree-pretty-print.c (dump_generic_node): Dump clobbers nicely.
2901         * tree-ssa-live.c (remove_unused_locals): Remove clobbers that
2902         refer to otherwise unused locals.
2903         * tree-sra.c (build_accesses_from_assign): Ignore clobbers.
2904         * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Clobbers of
2905         SSA names aren't necessary.
2906         (propagate_necessity): Accept and ignore constructors on the rhs, tidy.
2907         * gimple.c (walk_gimple_op): Accept constructors like mem_rhs.
2908         * tree-ssa-structalias.c (find_func_aliases): Clobbers don't store
2909         any known value.
2910         * tree-ssa-sccvn.c (vn_reference_lookup_3): Ditto, in particular they
2911         don't zero-initialize something.
2912         * tree-ssa-phiopt.c (cond_if_else_store_replacement_1): Ignore
2913         clobber RHS, we don't want PHI nodes with those.
2914
2915 2011-11-08  Jakub Jelinek  <jakub@redhat.com>
2916
2917         * config/i386/i386.c (ix86_preferred_simd_mode): Even for TARGET_AVX
2918         if not TARGET_PREFER_AVX128 return 32-byte integer vectors.
2919
2920 2011-11-08  Richard Guenther  <rguenther@suse.de>
2921
2922         PR tree-optimization/51012
2923         * ipa-prop.c (update_indirect_edges_after_inlining): Fixup
2924         non-inlinable state.
2925         * cgraph.c (cgraph_make_edge_direct): Likewise.
2926
2927 2011-11-08  Eric Botcazou  <ebotcazou@adacore.com>
2928
2929         PR rtl-optimization/47698
2930         * ifcvt.c (noce_operand_ok): Move around comment.
2931
2932 2011-11-08  Richard Guenther  <rguenther@suse.de>
2933
2934         PR lto/50999
2935         * lto-opts.c (append_to_collect_gcc_options): Split out from...
2936         (lto_write_options): ... here.  Prepend frontend specific flags.
2937
2938 2011-11-08  Jakub Jelinek  <jakub@redhat.com>
2939
2940         * config/i386/sse.md (*avx_vperm2f128<mode>3_nozero): Emit mask
2941         0x12 and 0x20 as vinsert[fi]128 instead of vperm2[fi]128.
2942
2943         * tree-vect-stmts.c (vectorizable_call): Add SLP_NODE argument.
2944         Handle vectorization of SLP calls.
2945         (vect_analyze_stmt): Adjust caller, add call to it for SLP too.
2946         (vect_transform_stmt): Adjust vectorizable_call caller, remove
2947         assertion.
2948         * tree-vect-slp.c (vect_get_and_check_slp_defs): For calls start
2949         with op_idx 3.
2950         (vect_build_slp_tree): Allow CALL_EXPR.
2951
2952 2011-11-08  Richard Guenther  <rguenther@suse.de>
2953
2954         * gimple-fold.c (canonicalize_constructor_val): Make sure
2955         we have referenced vars setup before adding to them.
2956
2957 2011-11-07  Richard Henderson  <rth@redhat.com>
2958             Aldy Hernandez  <aldyh@redhat.com>
2959             Andrew MacLeod  <amacleod@redhat.com>
2960             Torvald Riegel  <triegel@redhat.com>
2961
2962         Merged from transactional-memory.
2963
2964         * gtm-builtins.def: New file.
2965         * trans-mem.c: New file.
2966         * trans-mem.h: New file.
2967
2968         * opts.c (finish_options): Error out when using -flto and -fgnu-tm.
2969
2970         * config/i386/i386.c: Define TARGET_VECTORIZE* transactional variants.
2971         (ix86_handle_tm_regparm_attribute, struct bdesc_tm,
2972         ix86_builtin_tm_load, ix86_builtin_tm_store,
2973         ix86_init_tm_builtins): New.
2974         (ix86_init_builtins): Initialize TM builtins.
2975         (struct ix86_attribute_table): Add "*tm regparm".
2976         * config/i386/i386-builtin-types.def (PV2SI): Define.
2977         (PCV2SI): Define.
2978         Define V2SI_FTYPE_PCV2SI.
2979         Define V4SF_FTYPE_PCV4SF.
2980         Define V8SF_FTYPE_PCV8SF.
2981         Define VOID_PV2SI_V2SI.
2982
2983         * doc/invoke.texi (C Dialect Options): Document -fgnu-tm and
2984         tm-max-aggregate-size.
2985         * doc/tm.texi.in: Add TARGET_VECTORIZE_BUILTIN_TM_LOAD and
2986         TARGET_VECTORIZE_BUILTIN_TM_STORE hooks.
2987         * doc/tm.texi: Regenerate.
2988
2989         * attribs.c (apply_tm_attr): New.
2990         (init_attributes): Allow '*' prefix for overrides.
2991         (register_attribute): Likewise.
2992         * builtin-attrs.def (ATTR_TM_TMPURE, ATTR_TM_REGPARM): New.
2993         (ATTR_TM_NOTHROW_LIST, ATTR_TM_TMPURE_NOTHROW_LIST,
2994         ATTR_TM_PURE_TMPURE_NOTHROW_LIST, ATTR_TM_NORETURN_NOTHROW_LIST,
2995         ATTR_TM_CONST_NOTHROW_LIST, ATTR_TMPURE_MALLOC_NOTHROW_LIST,
2996         ATTR_TMPURE_NOTHROW_LIST): New.
2997         * builtin-types.def (BT_FN_I[1248]_VPTR, BT_FN_FLOAT_VPTR,
2998         BT_FN_DOUBLE_VPTR, BT_FN_LDOUBLE_VPTR, BT_FN_VOID_VPTR_I[1248],
2999         BT_FN_VOID_VPTR_FLOAT, BT_FN_VOID_VPTR_DOUBLE,
3000         BT_FN_VOID_VPTR_LDOUBLE, BT_FN_VOID_VPTR_SIZE): New.
3001         * builtins.def: Include gtm-builtins.def. Add comments regarding
3002         transactional memory synchronization.
3003         (DEF_TM_BUILTIN): New.
3004         * c-parser.c (struct c_parser): Add in_transaction.
3005         (c_parser_transaction, c_parser_transaction_expression,
3006         c_parser_transaction_cancel, c_parser_transaction_attributes): New.
3007         (c_parser_attribute_any_word): Split out from c_parser_attributes.
3008         (c_parser_statement_after_labels): Handle RID_TRANSACTION*.
3009         (c_parser_unary_expression): Same.
3010         * c-tree.h (c_finish_transaction): Declare.
3011         * c-typeck.c (c_finish_transaction): New.
3012         (build_function_call_vec): Call tm_malloc_replacement.
3013         * calls.c (is_tm_builtin): New.
3014         (flags_from_decl_or_type): Add ECF_TM_BUILTIN and ECF_TM_PURE.
3015         * cfgbuild.c (make_edges): Add edges for REG_TM notes.
3016         * cfgexpand.c (expand_call_stmt): Call
3017         mark_transaction_restart_calls.
3018         (gimple_expand_cfg): Free the tm_restart map.
3019         (mark_transaction_restart_calls): New.
3020         * cfgrtl.c (purge_dead_edges): Look for REG_TM notes.
3021         * cgraph.c (dump_cgraph_node): Handle tm_clone.
3022         * cgraph.h (struct cgraph_node): Add tm_clone field.
3023         (decl_is_tm_clone): New.
3024         (struct cgraph_local_info): Add tm_may_enter_irr.
3025         (cgraph_copy_node_for_versioning): Declare.
3026         * cgraphunit.c (cgraph_copy_node_for_versioning): Export;
3027         copy analyzed from old version.
3028         * combine.c (distribute_notes): Handle REG_TM notes.
3029         * common.opt: Add -fgnu-tm.
3030         * crtstuff.c (__TMC_LIST__, __TMC_END__): New.
3031         (__do_global_dtors_aux): Deregister clone table.
3032         (frame_dummy): Register clone table.
3033         * emit-rtl.c (try_split): Handle REG_TM. Early return if no function
3034         body.
3035         * gimple-low.c (lower_stmt): Handle GIMPLE_EH_ELSE and
3036         GIMPLE_TRANSACTION.
3037         (gimple_stmt_may_fallthru): Handle GIMPLE_EH_ELSE.
3038         * gimple-pretty-print.c: Include trans-mem.h.
3039         (dump_gimple_fmt): Add %x.
3040         (dump_gimple_call): Dump arguments for calls to _ITM_beginTransaction.
3041         (dump_gimple_eh_else, dump_gimple_transaction): New.
3042         (dump_gimple_stmt): Handle GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
3043         * gimple.c (gimple_build_eh_else, gimple_build_transaction): New.
3044         (walk_gimple_seq): Honor removed_stmt. Document usage of removed_stmt
3045         field.
3046         (walk_gimple_op): Handle GIMPLE_TRANSACTION.
3047         (walk_gimple_stmt): Initialize and honor removed_stmt.
3048         Handle GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
3049         (gimple_copy): Handle GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
3050         * gimple.def (GIMPLE_TRANSACTION, GIMPLE_EH_ELSE): New.
3051         * gimple.h (struct gimple_statement_eh_else,
3052         gimple_statement_transaction, GTMA_*): New.
3053         (gimple_statement_d): Add gimple_statement_eh_else and
3054         gimple_transaction.
3055         (gimple_build_eh_else, gimple_build_transaction,
3056         gimple_fold_call, diagnose_tm_safe_errors): Declare.
3057         (get_call_expr_in): Remove prototype.
3058         (gimple_has_substatements): Add GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
3059         (gimple_eh_else_n_body, gimple_eh_else_e_body,
3060         gimple_eh_else_set_n_body, gimple_eh_else_set_e_body,
3061         gimple_transaction_body, gimple_transaction_label,
3062         gimple_transaction_label_ptr, gimple_transaction_subcode,
3063         gimple_transaction_set_body, gimple_transaction_set_label,
3064         gimple_transaction_set_subcode): New.
3065         (struct walk_stmt_info): Use BOOL_BITFIELD; add removed_stmt.
3066         * gimplify.c (create_tmp_var_name): Use clean_symbol_name.
3067         (voidify_wrapper_expr): Handle TRANSACTION_EXPR.
3068         (gimplify_transaction): New.
3069         (gimplify_expr): Handle TRANSACTION_EXPR.
3070         * gsstruct.def (GSS_EH_ELSE, GSS_TRANSACTION): New.
3071         * ipa-inline.c (can_inline_edge_p): Do not inline TM safe calling
3072         TM pure functions.
3073         * Makefile.in: Add trans-mem.o and dependencies.
3074         (BUILTINS_DEF): Add gtm-builtins.def.
3075         (gimple-pretty-print.o): Depend on TRANS_MEM_H.
3076         (GTFILES): Add trans-mem.c.
3077         * omp-low.c (WALK_SUBSTMTS): Add GIMPLE_TRANSACTION.
3078         * output.h (record_tm_clone_pair, finish_tm_clone_pairs,
3079         get_tm_clone_pair): Declare.
3080         * params.def (PARAM_TM_MAX_AGGREGATE_SIZE): New.
3081         * passes.c (init_optimization_passes): Place transactional memory
3082         passes.
3083         * print-tree.c (print_node): Dump tm-clone.
3084         * recog.c (peep2_attempt): Handle REG_TM.
3085         * reg-notes.def (TM): New.
3086         * rtlanal.c (alloc_reg_note): Handle REG_TM.
3087         * target.def (builtin_tm_load, builtin_tm_store): New.
3088         * targhooks.c (default_builtin_tm_load_store): New.
3089         * targhooks.h (default_builtin_tm_load_store): Declare.
3090         * timevar.def (TV_TRANS_MEM): New.
3091         * toplev.c (compile_file): Call finish_tm_clone_pairs.
3092         * tree-cfg.c (make_edges): Handle GIMPLE_TRANSACTION.
3093         (cleanup_dead_labels): Handle GIMPLE_TRANSACTION. Avoid unnecessary
3094         writes into the statements to update labels.
3095         (is_ctrl_altering_stmt): Add TM ending statements. Handle
3096         GIMPLE_TRANSACTION.
3097         (verify_gimple_transaction): New.
3098         (verify_gimple_stmt): Handle GIMPLE_TRANSACTION.
3099         (verify_gimple_in_seq_2): Handle GIMPLE_EH_ELSE and GIMPLE_TRANSACTION.
3100         (gimple_redirect_edge_and_branch): Handle TM_TRANSACTION.
3101         (dump_function_to_file): Display [tm-clone] if applicable.
3102         * tree-eh.c (struct_ptr_eq): Make inline and move to tree.h.
3103         (struct_ptr_hash): Same.
3104         (collect_finally_tree): Handle GIMPLE_EH_ELSE.
3105         (replace_goto_queue_1): Likewise.
3106         (get_eh_else): New.
3107         (honor_protect_cleanup_actions): Handle GIMPLE_EH_ELSE.
3108         (lower_try_finally_nofallthru): Likewise.
3109         (lower_try_finally_onedest): Likewise.
3110         (lower_try_finally_copy): Likewise.
3111         (lower_try_finally_switch): Likewise.
3112         (lower_try_finally): Likewise.
3113         (decide_copy_try_finally): Likewise.
3114         (lower_eh_constructs_2): Likewise.
3115         (refactor_eh_r): Likewise.
3116         * tree-flow.h (struct gimple_df): Add tm_restart field.
3117         Define tm_restart_node.
3118         * tree-inline.c (remap_gimple_stmt): Handle GIMPLE_TRANSACTION.
3119         (estimate_num_insns): Likewise.
3120         (init_inline_once): Init tm_cost.
3121         * tree-inline.h (struct eni_weights_d): Add tm_cost.
3122         * tree-pass.h (pass_diagnose_tm_blocks, pass_lower_tm, pass_tm_init,
3123         pass_tm_mark, pass_tm_memopt, pass_tm_edges, pass_ipa_tm): Declare.
3124         * tree-pretty-print.c (dump_generic_node): Handle TRANSACTION_EXPR.
3125         * tree-ssa-alias.c (ref_maybe_used_by_call_p_1): Handle
3126         BUILT_IN_TM_MEMSET, BUILT_IN_TM_MEMCPY, BUILT_IN_TM_MEMMOVE.
3127         Add support for TM vector loads.  Add support for TM logging builtins.
3128         (call_may_clobber_ref_p_1): Add support for vector stores.
3129         * tree-ssa-structalias.c (find_func_aliases): Add support for TM
3130         vector stores and loads. Handle BUILT_IN_TM_MEMSET,
3131         BUILT_IN_TM_MEMCPY, BUILT_IN_TM_MEMMOVE.
3132         * tree.c (strip_invariant_refs): Moved from gimple.c to here.
3133         (local_define_builtin): Handle ECF_TM_PURE.
3134         (build_common_builtin_nodes): Set __builtin_eh_pointer to ECF_TM_PURE.
3135         * tree.def (TRANSACTION_EXPR): New.
3136         * tree.h (strip_invariant_refs): Moved from gimple.h to here.
3137         (TRANSACTION_EXPR_BODY, TRANSACTION_EXPR_CHECK,
3138         TRANSACTION_EXPR_OUTER, TRANSACTION_EXPR_RELAXED,
3139         BUILTIN_TM_LOAD_STORE_P, BUILTIN_TM_LOAD_P, BUILTIN_TM_STORE_P,
3140         CASE_BUILT_IN_TM_LOAD, CASE_BUILT_IN_TM_STORE): New.
3141         (ECF_TM_PURE, ECF_TM_BUILTIN): New.
3142         (struct tree_function_decl): Add tm_clone_flag.
3143         (struct_ptr_eq, struct_ptr_hash): New.
3144         (apply_tm_attr): Declare.
3145         (is_tm_safe_or_pure): New.
3146         (build_tm_abort_call, is_tm_safe, is_tm_pure,
3147         is_tm_may_cancel_outer, is_tm_ending_fndecl, record_tm_replacement,
3148         tm_malloc_replacement): Declare.
3149         * varasm.c (tm_clone_hash): New.
3150         (record_tm_clone_pair, finish_tm_clone_pairs, get_tm_clone_pair,
3151         dump_tm_clone_to_vec, dump_tm_clone_pairs, tm_alias_pair_cmp): New.
3152         (struct tm_alias_pair): New.  Declare VEC types for object.
3153
3154 2011-11-07  Richard Henderson  <rth@redhat.com>
3155
3156         * optabs.h (OTI_sync_compare_and_swap, OTI_sync_lock_test_and_set,
3157         OTI_sync_old_add, OTI_sync_old_sub, OTI_sync_old_ior,
3158         OTI_sync_old_and, OTI_sync_old_xor, OTI_sync_old_nand,
3159         OTI_sync_new_add, OTI_sync_new_sub, OTI_sync_new_ior,
3160         OTI_sync_new_and, OTI_sync_new_xor, OTI_sync_new_nand): Move and
3161         rename from the direct_optab_index enum.
3162         (sync_compare_and_swap_optab, sync_lock_test_and_set_optab,
3163         sync_old_add_optab, sync_old_sub_optab, sync_old_ior_optab,
3164         sync_old_and_optab, sync_old_xor_optab, sync_old_nand_optab,
3165         sync_new_add_optab, sync_new_sub_optab, sync_new_ior_optab,
3166         sync_new_and_optab, sync_new_xor_optab, sync_new_nand_optab): Read
3167         from the optab_table, not the direct_optab_table.
3168         (init_sync_libfuncs): Declare.
3169         (can_compare_and_swap_p): Update parameters.
3170         * optabs.c (init_sync_libfuncs_1, init_sync_libfuncs): New.
3171         (can_compare_and_swap_p): Add allow_libcall parameter; if true,
3172         test for the legacy compare-and-swap libcall.
3173         (expand_atomic_exchange): Use the legacy test-and-set libcall.
3174         (expand_atomic_compare_and_swap): Use the legacy CAS libcall.
3175         (struct atomic_op_functions): Update for optab type changes.
3176         (maybe_emit_op): Likewise.
3177         (expand_atomic_fetch_op): Use the legacy fetch-op libcalls.
3178         * builtins.c (fold_builtin_atomic_always_lock_free): Update call
3179         to can_compare_and_swap_p.
3180         * omp-low.c (expand_omp_atomic_fetch_op): Likewise.
3181         (expand_omp_atomic_pipeline): Likewise.
3182         * genopinit.c (optabs): Make sync_old_*_optab, sync_new_*_optab,
3183         sync_compare_and_swap_optab, sync_lock_test_and_set_optab regular
3184         optabs.
3185         * doc/md.texi (sync_compare_and_swap): Update docs for libcalls.
3186
3187 2011-11-07  Jakub Jelinek  <jakub@redhat.com>
3188
3189         * config/i386/i386-bultin-types.def (V8SI_FTYPE_V4DF_V4DF): Add.
3190         * config/i386/i386.c (enum ix86_builtins): Add
3191         IX86_BUILTIN_VEC_PACK_SFIX256.
3192         (bdesc_args): Add __builtin_ia32_vec_pack_sfix256.
3193         (ix86_expand_args_builtin): Handle V8SI_FTYPE_V4DF_V4DF.
3194         (ix86_builtin_vectorized_function): Also vectorize lrint using
3195         256-bit vectors for -mavx.
3196
3197 2011-11-07  Anatoly Sokolov  <aesok@post.ru>
3198
3199         * config/cris/constraints.md: New file.
3200         * config/cris/cris.h (REG_CLASS_FROM_LETTER, CONSTRAINT_LEN,
3201         CRIS_CONST_OK_FOR_LETTER_P, CONST_OK_FOR_CONSTRAINT_P,
3202         CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_MEMORY_CONSTRAINT,
3203         EXTRA_CONSTRAINT, EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_R,
3204         EXTRA_CONSTRAINT_T, EXTRA_CONSTRAINT_S, EXTRA_CONSTRAINT_U): Remove.
3205         * config/cris/cris.c: Incule "tm-constrs.h".
3206         (cris_print_operand): Use satisfies_constraint_O.
3207         (cris_normal_notice_update_cc, cris_rtx_costs): Use
3208         satisfies_constraint_I.
3209         (cris_address_cost): Use satisfies_constraint_L.
3210         * config/cris/cris.md: Include "constraints.md".
3211         (*mov_side<mode>, *mov_sidesisf, *mov_side<mode>_mem,
3212         *mov_sidesisf_mem, *clear_side<mode>, *ext_sideqihi,
3213         *ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>,
3214         *extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side,
3215         *extop<mode>si_swap_side): Use satisfies_constraint_N and
3216         satisfies_constraint_J.
3217         (moversideqi movemsideqi mover2side peephole2): Use
3218         satisfies_constraint_N and satisfies_constraint_J.
3219         (andu peephole2): Use satisfies_constraint_I and
3220         satisfies_constraint_O.
3221
3222 2011-11-07  Uros Bizjak  <ubizjak@gmail.com>
3223
3224         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
3225         BUILT_IN_IRINT, BUILT_IN_IRINTF, BUILT_IN_LLRINT and BUILT_IN_LLRINTF.
3226
3227 2011-11-07  Andrew MacLeod  <amacleod@redhat.com>
3228
3229         * optabs.c (get_atomic_op_for_code): Fill in optab table at runtime so
3230         SWITCHABLE_TARGET can change the values during compilation.
3231         (expand_atomic_fetch_op): Handle parameter change ripples for
3232         get_atomic_op_for_code call.
3233
3234 2011-11-07  Andrew MacLeod  <amacleod@redhat.com>
3235
3236         * doc/extend.texi: Docuemnt behaviour change for __atomic_exchange and
3237         __atomic_store.
3238         * optabs.c (expand_atomic_exchange): Expand to __sync_lock_test_and_set
3239         only when originated from that builtin.
3240         (expand_atomic_store): Expand to __sync_lock_release when originated
3241         from that builtin.
3242         * builtins.c (expand_builtin_sync_lock_test_and_set): Add flag that
3243         expand_atomic_exchange call originated from here.
3244         (expand_builtin_sync_lock_release): Add flag that expand_atomic_store
3245         call originated from here.
3246         (expand_builtin_atomic_exchange): Add origination flag.
3247         (expand_builtin_atomic_store): Add origination flag.
3248         * expr.h (expand_atomic_exchange, expand_atomic_store): Add boolean
3249         parameters to indicate implementation fall back options.
3250
3251 2011-11-07  Georg-Johann Lay  <avr@gjlay.de>
3252
3253         * config/avr/avr.c (output_reload_in_const): Can handle CONSTANT_P
3254         now, not only CONST_INT and CONST_DOUBLE.
3255         (output_movqi): Use output_reload_in_const.
3256         (output_reload_inhi): Ditto.
3257         (output_reload_insisf): Move assertion to output_reload_in_const.
3258         (avr_out_reload_inpsi): Ditto.
3259
3260 2011-11-07  Nathan Sidwell  <nathan@acm.org>
3261
3262         * gcov.c (object_summary): Replace with ...
3263         (object_runs): ... this.
3264         (process_file): Remove functions with no data.
3265         (generate_results): Ignore files with no lines.
3266         (release_function): New helper, broken out of ...
3267         (release_structures): ... here.  Use it.
3268         (read_count_file): Adjust for new data file format.
3269         (output_lines): Use object_runs.
3270         * gcov-io.h (GCOV_TAG_OBJECT_SUMMARY): Obsolete.
3271         (struct gcov_ctr_info): Move definition.
3272         (struct gcov_fn_info): Add key field, use gcov_ctr_info for
3273         trailing array.
3274         (struct gcov_info): Add merge function array, remove mask and
3275         counts.  Trailing array is array of pointers to function info.
3276         * coverage.c (struct function_list): Replace counter numbers with
3277         counter arrays.  Add fndecl field.  GTYify.
3278         (counts_entry): Remove chain workspace.
3279         (functions_head): GTYify.
3280         (prg_n_ctrs): Remove.
3281         (fn_v_ctrs): New.
3282         (tree_ctr_tables): Remove.
3283         (read_counts_file): Cope with blank entries and expect program
3284         summaries before functions.  Don't warn on missing entries.
3285         (coverage_counter_alloc): Allocate individual function arrays.
3286         (tree_coverage_counter_ref, tree_coverage_counter_addr): Adjust
3287         for individual function arrays.
3288         (coverage_end_function): GTYify function list object. Finalize
3289         function's counter arrays.
3290         (build_var): New.  Create a counter-related variable with
3291         appropriate linkage.
3292         (build_fn_info_type): Adjust for new runtime structure.
3293         (build_fn_info_value): Rename to ...
3294         (build_fn_info): ... here.  Build new format data.
3295         (build_ctr_info_type, build_ctr_info_value): Remove.
3296         (build_info_type): New. Build new format data structure.
3297         (build_info): Adjust for new format data.
3298         (create_coverage): Likewise.
3299         * gcov-dump.c (tag_function): Recognize placeholders.
3300
3301 2011-11-07  Georg-Johann Lay  <avr@gjlay.de>
3302
3303         * config/avr/constraints.md (Cm2): New constraint for int -2.
3304         * config/avr/avr.md (addqi3): Use it. New alternatives for +/-2.
3305         (*negqihi2): New insn.
3306
3307 2011-11-07  H.J. Lu  <hongjiu.lu@intel.com>
3308
3309         * dwarf2cfi.c (dwarf2out_frame_debug_expr): Check
3310         HARD_FRAME_POINTER_REGNUM instead of hard_frame_pointer_rtx in Rule 18.
3311
3312 2011-11-07  Jakub Jelinek  <jakub@redhat.com>
3313
3314         * config/i386/i386.c (ix86_expand_builtin): If gather mask
3315         argument is known to have all high bits set, pass pc_rtx as
3316         second argument to the expander instead of op0.
3317         * config/i386/sse.md (*avx2_gathersi<mode>_2,
3318         *avx2_gatherdi<mode>_2): New patterns.
3319         * config/i386/avx2intrin.h (_mm256_i32gather_pd,
3320         _mm256_i64gather_pd, _mm256_i32gather_ps): Set mask using
3321         _mm256_cmp_pd with zero vector arguments and _CMP_EQ_OQ instead of
3322         _mm256_set1_pd.
3323
3324         PR tree-optimization/50789
3325         * tree-vect-stmts.c (process_use): Add force argument, avoid
3326         exist_non_indexing_operands_for_use_p check if true.
3327         (vect_mark_stmts_to_be_vectorized): Adjust callers.  Handle
3328         STMT_VINFO_GATHER_P.
3329         (gen_perm_mask): New function.
3330         (perm_mask_for_reverse): Use it.
3331         (reverse_vec_element): Rename to...
3332         (permute_vec_elements): ... this.  Add Y and MASK_VEC arguments,
3333         generalize for any permutations.
3334         (vectorizable_load): Adjust caller.  Handle STMT_VINFO_GATHER_P.
3335         * target.def (TARGET_VECTORIZE_BUILTIN_GATHER): New hook.
3336         * doc/tm.texi.in (TARGET_VECTORIZE_BUILTIN_GATHER): Document it.
3337         * doc/tm.texi: Regenerate.
3338         * tree-data-ref.c (initialize_data_dependence_relation,
3339         compute_self_dependence): No longer static.
3340         * tree-data-ref.h (initialize_data_dependence_relation,
3341         compute_self_dependence): New prototypes.
3342         * tree-vect-data-refs.c (vect_check_gather): New function.
3343         (vect_analyze_data_refs): Detect possible gather load data refs.
3344         * tree-vectorizer.h (struct _stmt_vec_info): Add gather_p field.
3345         (STMT_VINFO_GATHER_P): Define.
3346         (vect_check_gather): New prototype.
3347         * config/i386/i386-builtin-types.def: Add types for alternate
3348         gather builtins.
3349         * config/i386/sse.md (AVXMODE48P_DI): Remove.
3350         (VEC_GATHER_MODE): Rename mode_attr to...
3351         (VEC_GATHER_IDXSI): ... this.
3352         (VEC_GATHER_IDXDI, VEC_GATHER_SRCDI): New mode_attrs.
3353         (avx2_gathersi<mode>, *avx2_gathersi<mode>): Use <VEC_GATHER_IDXSI>
3354         instead of <VEC_GATHER_MODE>.
3355         (avx2_gatherdi<mode>): Use <VEC_GATHER_IDXDI> instead of
3356         <AVXMODE48P_DI> and <VEC_GATHER_SRCDI> instead of VEC_GATHER_MODE
3357         on src and mask operands.
3358         (*avx2_gatherdi<mode>): Likewise.  Use VEC_GATHER_MODE iterator
3359         instead of AVXMODE48P_DI.
3360         (avx2_gatherdi<mode>256, *avx2_gatherdi<mode>256): Removed.
3361         * config/i386/i386.c (enum ix86_builtins): Add
3362         IX86_BUILTIN_GATHERALTSIV4DF, IX86_BUILTIN_GATHERALTDIV8SF,
3363         IX86_BUILTIN_GATHERALTSIV4DI and IX86_BUILTIN_GATHERALTDIV8SI.
3364         (ix86_init_mmx_sse_builtins): Create those builtins.
3365         (ix86_expand_builtin): Handle those builtins and adjust expansions
3366         of other gather builtins.
3367         (ix86_vectorize_builtin_gather): New function.
3368         (TARGET_VECTORIZE_BUILTIN_GATHER): Define.
3369
3370 2011-11-07  Uros Bizjak  <ubizjak@gmail.com>
3371
3372         * config/i386/f16cintrin.h: Remove extra _X86INTRIN_H_INCLUDED check.
3373
3374 2011-11-07  Tristan Gingold  <gingold@adacore.com>
3375
3376         * config.gcc (*-*-*vms*): Set c_target_objs, cxx_target_objs.
3377         * config/vms/t-vms: Add vms-c.o rule.
3378         * config/vms/vms-c.c: New file.
3379         * config/vms/vms-protos.h (vms_c_register_pragma): New prototype.
3380         * config/vms/vms.h (REGISTER_TARGET_PRAGMAS): Define.
3381
3382 2011-11-07  Tristan Gingold  <gingold@adacore.com>
3383
3384         * config/alpha/vms.h (TARGET_OBJECT_SUFFIX,
3385         TARGET_EXECUTABLE_SUFFIX, TARGET_OS_CPP_BUILTINS,
3386         TARGET_ABI_OPEN_VMS, LONG_TYPE_SIZE, ADA_LONG_TYPE_SIZE,
3387         POINTER_SIZE, POINTERS_EXTEND_UNSIGNED): Move to config/vms/vms.h
3388         (SUBTARGET_OS_CPP_BUILTINS): Define.
3389         (TARGET_DEFAULT): Tune according to POINTER_SIZE.
3390         (MASK_RETURN_ADDR): Define in 64 bit mode.
3391         * config/ia64/vms.h: Likewise.
3392         * config/vms/vms.h: New file.
3393         * config/vms/vms64.h: New file.
3394         * config/alpha/vms64.h: Removed.
3395         * config/ia64/vms64.h: Removed.
3396         * config.gcc (alpha64-dec-*vms*, alpha*-dec-*vms*, ia64-hp-*vms*):
3397         Adjust for above change.
3398
3399 2011-11-07  Enkovich Ilya  <ilya.enkovich@intel.com>
3400
3401         PR target/50962
3402         * config/i386/i386-protos.h (ix86_use_lea_for_mov): New.
3403         * config/i386/i386.c (ix86_use_lea_for_mov): Likewise.
3404         * config/i386/i386.md (movsi_internal): Emit lea if profitable.
3405         (movdi_internal_rex64): Likewise.
3406
3407 2011-11-07  Sergey Ostanevich  <sergos.gnu@gmail.com>
3408
3409         PR rtl-optimization/47698
3410         * ifcvt.c (noce_operand_ok): Return false for mems with side effects.
3411