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1 2012-01-16  Jakub Jelinek  <jakub@redhat.com>
2
3         PR bootstrap/51860
4         * config/s390/s390.c (s390_chunkify_start): Don't skip
5         call insns followed by NOTE_INSN_CALL_ARG_LOCATION note.  Skip
6         NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
7         If insn is followed by NOTE_INSN_VAR_LOCATION or
8         NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
9         Don't use location of note insns.
10
11         PR tree-optimization/51865
12         * tree-inline.c (tree_function_versioning): Call remap_decl
13         on DECL_RESULT whenever it has VOID_TYPE_P type.
14
15 2012-01-15  Richard Sandiford  <rdsandiford@googlemail.com>
16
17         * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
18         for calls to locally-binding MIPS16 functions if only the return
19         type uses float regs.
20
21 2012-01-15  Chung-Lin Tang  <cltang@codesourcery.com>
22             Richard Sandiford  <rdsandiford@googlemail.com>
23
24         * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
25         (SYMBOL_32_HIGH): Likewise.
26         (mips_output_tls_reloc_directive): Declare.
27         * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
28         (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
29         * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
30         (mips_lo_relocs, mips_hi_relocs): Make extern.
31         (mips16_stub_function): Move up file.
32         (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
33         (mips_symbolic_constant_p): Likewise.  Remove SYMBOL_32_HIGH too.
34         (mips_symbol_insns_1): Likewise.  Check mips_use_pcrel_pool_p.
35         (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead
36         of SYMBOL_FORCE_TO_MEM.  Only check mips_tls_symbol_ref_1
37         if it's false.
38         (mips_get_tp): Add MIPS16 support.
39         (mips_legitimize_tls_address): Remove MIPS16 sorry().
40         Generalize DTPREL and TPREL handling.
41         (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
42         Add MIPS16 TLS support.
43         (mips_output_tls_reloc_directive): New function.
44         (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
45         * config/mips/predicates.md (symbolic_operand_with_high)
46         (tls_reloc_operand): New predicates.
47         (force_to_mem_operand): Use mips_use_pcrel_pool_p.
48         * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
49         (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
50         (*unshifted_high): New instruction.  Use it for MIPS16
51         high splitter.
52         (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
53         (*tls_get_tp_mips16_call_<mode>): Likewise.
54
55 2012-01-15  Uros Bizjak  <ubizjak@gmail.com>
56
57         PR rtl-optimization/51821
58         * recog.c (peep2_find_free_register): Determine clobbered registers
59         from insn pattern.
60
61 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
62
63         PR target/50925
64         * config/avr/avr-protos.h: Revert change of 2012-01-09.
65         * config/avr/avr.c: Likewise.
66         * config/avr/avr.h: Likewise.
67
68 2012-01-13  Ian Lance Taylor  <iant@google.com>
69
70         PR c++/50012
71         * tree.h (TYPE_QUALS): Add cast to int.
72         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
73
74 2012-01-13  Ian Lance Taylor  <iant@google.com>
75
76         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
77         comparing param_index to VEC_length result.
78
79 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
80
81         * c-decl.c: Do not include tree-mudflap.h
82         * tree-optimize.c: Likewise.
83         * Makefile.in: Update dependencies.
84
85 2012-01-13  Richard Guenther  <rguenther@suse.de>
86
87         PR middle-end/8081
88         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
89         variable-sized result always use RSO.
90
91 2012-01-12  DJ Delorie  <dj@redhat.com>
92
93         * cfgexpand.c (convert_debug_memory_address): Allow any valid
94         pointer type, not just the default pointer type.
95
96 2012-01-09  Richard Henderson  <rth@redhat.com>
97             Denis Chertykov  <chertykov@gmail.com>
98
99         PR target/50925
100         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
101         * config/avr/avr.c (avr_can_eliminate): Simplify.
102         (avr_initial_elimination_offset): Likewise.
103         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
104         (expand_epilogue): Likewise.
105         (avr_legitimize_address): Gut.
106         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
107         (avr_hard_regno_nregs): New.
108         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
109         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
110         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
111         add soft frame pointer.
112         (CALL_USED_REGISTERS): Likewise.
113         (REG_CLASS_CONTENTS): Likewise.
114         (REGISTER_NAMES): Likewise.
115         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
116         (HARD_FRAME_POINTER_REGNUM): New.
117         (FRAME_POINTER_REGNUM): Use soft frame pointer.
118         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
119         remove the HARD_FRAME_POINTER self-elimination.
120
121 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
122
123         PR target/51756
124         * config/avr/avr.c (avr_encode_section_info): Test for absence of
125         DECL_EXTERNAL when checking for initializers of progmem variables.
126
127 2012-01-12  Ira Rosen  <irar@il.ibm.com>
128
129         PR tree-optimization/51799
130         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
131         that the last operation is a type demotion.
132
133 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
134
135         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
136         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
137
138 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
139
140         PR bootstrap/51796
141         * combine.c (distribute_notes): If i3 is a noreturn call,
142         allow old_size to be equal to args_size and make sure the
143         noreturn call gets REG_ARGS_SIZE note.
144         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
145         on noreturn calls even when the delta is 0.
146
147 2012-01-11  Nathan Sidwell  <nathan@acm.org>
148
149         * gcov.c (STRING_SIZE): Remove.
150         (generate_results): Erase annotations for source files with no
151         coverage information.
152         (read_line): New.
153         (output_lines): Use it.
154
155 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
156
157         * gimple.h (gimplify_body): Remove first argument.
158         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
159         pointer set here, instead just pass DATA to walk_tree.
160         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
161         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
162         (unvisit_body): Likewise, but with unmark_visited.
163         (gimplify_body): Remove BODY_P argument and adjust.
164         (gimplify_function_tree): Adjust call to gimplify_body.
165         * omp-low.c (finalize_task_copyfn): Likewise.
166
167 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
168
169         * tree.h (build_function_decl_skip_args): Add boolean parameter.
170         (build_function_type_skip_args): Delete.
171         * tree.c (build_function_type_skip_args): Make static and add
172         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
173         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
174         pass it to build_function_type_skip_args.
175         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
176         (tree_function_versioning): Likewise.
177         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
178         build_function_decl_skip_args.
179         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
180         and pass it to build_function_decl_skip_args/tree_function_versioning.
181         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
182         * ipa-inline-transform.c (save_inline_function_body): Likewise.
183         * trans-mem.c (ipa_tm_create_version): Likewise.
184         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
185         * tree-inline.c (declare_return_variable): Remove always-true test.
186         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
187         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
188         * ipa-split.c (split_function): Skip the return value for the split
189         part if it doesn't return.
190
191 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
192
193         PR tree-optimization/49642
194         * ipa-split.c (forbidden_dominators): New variable.
195         (check_forbidden_calls): New function.
196         (dominated_by_forbidden): Likewise.
197         (consider_split): Check for forbidden dominators.
198         (execute_split_functions): Initialize and free forbidden
199         dominators info; call check_forbidden_calls.
200
201 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
202
203         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
204
205 2012-01-11  Nick Clifton  <nickc@redhat.com>
206
207         * config/rx/rx.md (return): Define pattern.
208
209 2012-01-11  Richard Guenther  <rguenther@suse.de>
210
211         * doc/extend.texi (malloc attribute): Adjust according to
212         implementation.
213
214 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
215             Patrick Marlier  <patrick.marlier@gmail.com>
216
217         PR middle-end/51516
218         * trans-mem.c (get_cg_data): Traverse aliases if requested.
219         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
220         (ipa_tm_note_irrevocable): Same.
221         (ipa_tm_scan_irr_block): Same.
222         (ipa_tm_decrement_clone_counts): Same.
223         (ipa_tm_scan_irr_function): Same.
224         (ipa_tm_create_version_alias): Same.
225         (ipa_tm_create_version): Same.
226         (ipa_tm_transform_calls_redirect): Same.
227         (ipa_tm_transform_calls): Same.
228         (ipa_tm_transform_transaction): Same.
229         (ipa_tm_execute): Same.
230
231 2012-01-10  Richard Guenther  <rguenther@suse.de>
232
233         PR middle-end/51806
234         * opts.c (common_handle_option): Handle -Werror.
235
236 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
237
238         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
239         operand number.
240
241 2012-01-10  Jason Merrill  <jason@redhat.com>
242
243         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
244         information.
245
246 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
247
248         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
249         supports R_386_TLS_GD_PLT reloc.
250         (gcc_cv_as_ix86_tlsldmplt): Check if linker
251         supports R_386_TLS_LDM_PLT reloc.
252         * configure: Regenerate.
253         * config.in: Regenerate.
254
255 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
256
257         PR target/49868
258         Extend __pgmx semantics to linearize memory.
259         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
260         determine if code comes inline or from libgcc.
261         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
262         (movmem_qi, movmem_qi): Set constraint #2 to "n".
263         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
264         (movmemx_qi, movmemx_hi): New insns.
265         (xload_<mode>_libgcc): Rewrite to new insn condition.
266         (xload_<mode>): Remove insns.
267         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
268         cases that don't satisfy avr_xload_libgcc_p().
269         (avr_addr_space_convert): Allow converting in any direction.
270         (avr_addr_space_subset_p): Return always true.
271         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
272         (avr_emit_movmemhi): Ditto.
273         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
274         (avr_out_movmem): Ditto.
275         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
276         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
277         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
278         (avr_encode_section_info): Encode 'progmem' in symbol flags.
279         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
280
281 2012-01-10  Richard Guenther  <rguenther@suse.de>
282
283         PR tree-optimization/50913
284         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
285         Require data-refs to be representable by Graphite with respect
286         to any loop nest.
287
288 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
289
290         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
291         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
292
293 2012-01-10  Tom de Vries  <tom@codesourcery.com>
294
295         PR rtl-optimization/51271
296         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
297         handling annulled branch.
298
299 2012-01-10  Richard Henderson  <rth@redhat.com>
300
301         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
302         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
303         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
304         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
305         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
306         arm_expand_vec_perm_const): New.
307         * config/arm/arm-protos.h: Update.
308         * config/arm/neon.md (UNSPEC_VCONCAT): New.
309         (*neon_vswp<VDQX>): New.
310         (neon_vcombine<VDX>): Use neon_split_vcombine.
311         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
312         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
313         (vec_perm<VE>): New.
314
315 2012-01-10  Richard Henderson  <rth@redhat.com>
316
317         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
318         use it if reload_completed.
319         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
320         arm_output_asm_insn, arm_process_output_memory_barrier,
321         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
322         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
323         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
324         arm_process_output_sync_insn, arm_output_sync_insn,
325         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
326         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
327         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
328         (emit_unlikely_jump): New.
329         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
330         (arm_split_atomic_op): New.
331         * config/arm/arm-protos.h: Update.
332         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
333         (struct arm_sync_generator): Remove.
334         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
335         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
336         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
337         (VUNSPEC_LL, VUNSPEC_SC): New.
338         (sync_result, sync_memory, sync_required_value, sync_new_value,
339         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
340         (attr length): Don't use arm_sync_loop_insns.
341         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
342         (movsfcc, movdfcc): Likewise.
343         * config/arm/constraints.md (Ua): New.
344         * config/arm/prediates.md (mem_noofs_operand): New.
345         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
346         (sync_clobber, sync_t2_reqd): Remove.
347         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
348         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
349         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
350         (arm_sync_compare_and_swap<SIDI>): Remove.
351         (arm_sync_compare_and_swap<NARROW>): Remove.
352         (arm_sync_lock_test_and_set<SIDI>): Remove.
353         (arm_sync_lock_test_and_set<NARROW>): Remove.
354         (arm_sync_new_<syncop><SIDI>): Remove.
355         (arm_sync_new_<syncop><NARROW>): Remove.
356         (arm_sync_new_nand<SIDI>): Remove.
357         (arm_sync_new_nand<NARROW>): Remove.
358         (arm_sync_old_<syncop><SIDI>): Remove.
359         (arm_sync_old_<syncop><NARROW>): Remove.
360         (arm_sync_old_nand<SIDI>): Remove.
361         (arm_sync_old_nand<NARROW>): Remove.
362         (*memory_barrier): Merge arm_output_memory_barrier.
363         (atomic_compare_and_swap<QHSD>): New.
364         (atomic_compare_and_swap<NARROW>_1): New.
365         (atomic_compare_and_swap<SIDI>_1): New.
366         (atomic_exchange<QHSD>): New.
367         (cas_cmp_operand, cas_cmp_str): New.
368         (atomic_op_operand, atomic_op_str): New.
369         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
370         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
371         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
372         (arm_load_exclusive<NARROW>): New.
373         (arm_load_exclusivesi, arm_load_exclusivedi): New.
374         (arm_store_exclusive<QHSD>): New.
375
376 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
377
378         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
379         reload patterns if -mvsx-scalar-memory.
380
381         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
382         generated, even -mno-vsx-scalar-double was used.
383         (vsx_xscvdpsp_scalar): Likewise.
384         (vsx_xscvspdp_scalar2): Likewise.
385
386 2012-01-09  Tom de Vries  <tom@codesourcery.com>
387             Andrew Pinski  <apinski@cavium.com>
388
389         PR debug/51471
390         * reorg.c (fill_slots_from_thread): Don't speculate
391         frame-related insns.
392
393 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
394
395         * sched-int.h (bb_note): Move to...
396         * basic-block.h: ...here.
397         * haifa-sched.c (bb_note): Move to...
398         * cfgrtl.c: ...here.
399         * function.c (next_block_for_reg): New function.
400         (move_insn_for_shrink_wrap): Likewise.
401         (prepare_shrink_wrap): Rewrite to use the above.
402
403 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
404
405         * gimple.c (is_gimple_non_addressable): Remove.
406         * gimple.h: Remove is_gimple_non_addressable.
407         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
408         is_gimple_non_addressable.
409         * trans-mem.c (expand_assign_tm): Same.
410
411 2012-01-09  Richard Guenther  <rguenther@suse.de>
412
413         PR tree-optimization/51775
414         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
415         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
416
417 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
418
419         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
420         tuning parameters.
421         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
422
423 2012-01-09  Richard Guenther  <rguenther@suse.de>
424
425         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
426
427 2012-01-08  Jan Hubicka  <jh@suse.cz>
428
429         PR tree-optimize/51680
430         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
431         on when known_vals needs to be computed; cleanup.
432
433 2012-01-08  Jan Hubicka  <jh@suse.cz>
434
435         PR tree-optimize/51694
436         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
437
438 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
439
440         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
441         for -std=c++98 and -std=c++11 too.
442
443 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
444
445         * cfgloop.c (cancel_loop): Add free() of bbs array.
446
447 2012-01-07  Jan Hubicka  <jh@suse.cz>
448
449         PR tree-optimization/51600
450         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
451         that benefits small functions.
452
453 2012-01-07  Jan Hubicka  <jh@suse.cz>
454
455         * ipa-inline.c (want_inline_small_function_p): Fix formating.
456
457 2012-01-07  Jan Hubicka  <jh@suse.cz>
458
459         PR tree-optimization/51680
460         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
461         whose inlining reduce unit size.
462
463 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
464
465         PR bootstrap/51725
466         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
467         Add canonical node to containing_mem chain after the non-canonical
468         one, even if there weren't any locs to propagate.
469         (remove_useless_values): Keep only canonical values.
470         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
471         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
472         canonicalize mem_chain elements that are not discarded.
473
474 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
475
476         PR target/47333
477         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
478         before emitting functions.
479
480         PR gcov-profile/50127
481         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
482         clear_aux_for_blocks.
483
484 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
485
486         PR debug/51746
487         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
488
489 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
490
491         * c-decl.c (ext_block): Moved up.
492         (collect_all_refs, for_each_global_decl): Take ext_block into account.
493
494 2012-01-06  Han Shen  <shenhan@google.com>
495
496         Translate built-in include paths for sysroot.
497         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
498         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
499
500         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
501         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
502
503         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
504         control whether sysroot should be prepended to gxx include dir.
505
506         * configure: Regenerate.
507
508 2012-01-06  Torvald Riegel  <triegel@redhat.com>
509
510         PR rtl-optimization/51771
511         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
512         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
513
514 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
515
516         PR tree-optimization/51315
517         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
518         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
519
520 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
521
522         PR target/51681
523         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
524         for shrp pattern.  Correctly handle and fixup shift variable.
525         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
526
527 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
528
529         PR debug/51762
530         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
531         note when !ACCUMULATE_OUTGOING_ARGS.
532
533 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
534
535         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
536         condition.
537         (extract_range_from_unary_expr_1): Avoid useless computations.
538
539 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
540
541         PR rtl-optimization/51767
542         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
543         of jump_block and add an extra edge for degenerated asm gotos.
544
545         PR middle-end/51768
546         * stmt.c (check_unique_operand_names): Don't ICE during error
547         reporting if i is from labels chain.
548
549         PR middle-end/44777
550         * profile.c (branch_prob): Split bbs that have exit edge
551         and need a fake entry edge too.
552
553 2012-01-05  Jan Hubicka  <jh@suse.cz>
554
555         PR middle-end/49710
556         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
557         unlooping loops.
558
559 2012-01-05  Richard Guenther  <rguenther@suse.de>
560
561         PR lto/50490
562         * tree-streamer-out.c (write_ts_optimization): New function.
563         (streamer_write_tree_body): Call it.
564         * tree-streamer-in.c (lto_input_ts_optimization): New function.
565         (streamer_read_tree_body): Call it.
566         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
567
568 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
569
570         PR middle-end/51761
571         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
572         * gimplify.c (gimplify_cleanup_point_expr): Save and set
573         in_cleanup_point_expr before gimplify_stmt call and restore it
574         afterwards.
575         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
576         in_cleanup_point_expr is false.
577
578 2012-01-05  Richard Guenther  <rguenther@suse.de>
579
580         PR middle-end/51764
581         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
582         to c.opt.
583         * toplev.c (process_options): Reject combining mudflap and LTO.
584         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
585
586 2012-01-05  Richard Guenther  <rguenther@suse.de>
587
588         PR tree-optimization/51760
589         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
590         not VARYING.
591         (bit_value_unop): Handle UNDEFINED operands.
592         (bit_value_binop): Likewise.
593
594 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
595
596         * config/avr/avr.c (avr_replace_prefix): Remove.
597         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
598         (avr_asm_function_rodata_section): Ditto.
599         (avr_asm_select_section): Ditto.
600
601 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
602
603         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
604         insertion.
605
606 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
607
608         PR bootstrap/51648
609         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
610         calls that have any non-fake successor edges.
611
612         PR debug/51746
613         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
614
615 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
616
617         PR tree-optimization/51624
618         * tree-sra.c (build_ref_for_model): When replicating a chain of
619         COMPONENT_REFs, stop as soon as the offset would become negative.
620
621 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
622
623         PR debug/51695
624         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
625         in .debug_loc on the floor.
626
627 2012-01-04  Andrew Pinski  <apinski@cavium.com>
628
629         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
630
631 2012-01-04  Andrew Pinski  <apinski@cavium.com>
632             Adam Nemet  <anemet@caviumnetworks.com>
633
634         * config/mips/mips.md (size): Add SI and DI.
635         (SIZE): New mode attribute.
636         (U): New code attribute.
637         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
638         (mips_lbux_<mode>): Delete.
639         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
640         (mips_lhx): Use gen_mips_lhx_extsi.
641         (mips_lhx_<mode>): Delete.
642         (mips_lwx): Delete.
643         (mips_l<size>x): New expand.
644         (mips_lwx_<mode>): Delete.
645         (mips_l<GPR:size>x_<P:mode>): New pattern.
646         (*mips_lw<u>x_<P:mode>_ext): Likewise.
647         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
648         * config/mips/mips.c (mips_lx_address_p): New function.
649         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
650         (dsp64): New availability predicate.
651         (mips_builtins): Add an entry for __builtin_mips_ldx.
652         * config/mips/mips.h (ISA_HAS_LBX): New define.
653         (ISA_HAS_LBUX): Likewise.
654         (ISA_HAS_LHX): Likewise.
655         (ISA_HAS_LHUX): Likewise.
656         (ISA_HAS_LWX): Likewise.
657         (ISA_HAS_LWUX): Likewise.
658         (ISA_HAS_LDX): Likewise.
659         * doc/extend.texi (__builtin_mips_ldx): Document.
660
661 2012-01-04  Tristan Gingold  <gingold@adacore.com>
662
663         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
664         when long pointers are used.
665         * config.build (*-*-*vms*): Handle all OpenVMS targets.
666         (alpha64-dec-*vms*, alpha*-dec-*vms*)
667         (ia64-hp-*vms*): Remove.
668         * config/vms/xm-vms64.h: Delete.
669
670 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
671
672         PR middle-end/51472
673         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
674
675 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
676
677         * opts.c (finish_options): Remove duplicate sorry.
678
679 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
680
681         PR middle-end/51696
682         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
683         correctly.
684
685 2012-01-04  Richard Guenther  <rguenther@suse.de>
686
687         PR middle-end/51750
688         * tree.c (size_low_cst): New function.
689         * tree.h (size_low_cst): Declare.
690         * fold-const.c (fold_comparison): Use it to extract the low
691         part of the POINTER_PLUS_EXPR offset.
692
693 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
694
695         Fix clearing ZERO_REG
696         * config/avr/avr.md (cc): Add alternative "ldi".
697         (movqi_insn): Use it in cc attribute.
698         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
699         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
700         (output_reload_insisf): Use ZERO_REG to pre-clear register.
701
702 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
703
704         * configure: Regenerate.
705
706 2012-01-04  Richard Guenther  <rguenther@suse.de>
707
708         PR tree-optimization/49651
709         * tree-ssa-structalias.c (type_can_have_subvars): New function.
710         (var_can_have_subvars): Use it.
711         (get_constraint_for_1): Only consider subfields if there can be any.
712
713 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
714
715         PR bootstrap/51725
716         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
717         to its new canonical_cselib_val and the cselib_val was in
718         first_containing_mem chain, but the canonical_cselib_val was not,
719         add the latter into the chain.
720         (cselib_invalidate_mem): Compare canonical_cselib_val of
721         addr_list chain elt with v.
722
723         PR pch/51722
724         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
725         dwarf2out_undef): Allocate e.info using ggc_strdup instead
726         of xstrdup.
727         (output_macinfo_op): Don't ggc_strdup fd->filename.
728         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
729         then ggc_strdup it.  Don't free inc->info or cur->info.
730         (output_macinfo): Don't free ref->info or file->info.
731
732 2012-01-03  Ira Rosen  <irar@il.ibm.com>
733
734         PR tree-optimization/51269
735         * tree-vect-loop-manip.c (set_prologue_iterations): Make
736         first_niters a pointer.
737         (slpeel_tree_peel_loop_to_edge): Likewise.
738         (vect_do_peeling_for_loop_bound): Update call to
739         slpeel_tree_peel_loop_to_edge.
740         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
741         here.  Remove it from the parameters list.
742         (vect_do_peeling_for_alignment): Update calls and compute
743         wide_prolog_niters.
744
745 2012-01-03  Richard Guenther  <rguenther@suse.de>
746
747         PR tree-optimization/51070
748         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
749         Properly handle calls.
750
751 2012-01-03  Richard Guenther  <rguenther@suse.de>
752
753         PR tree-optimization/51692
754         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
755         the LHS of allocation stmts.
756
757 2012-01-03  Olivier Hainque  <hainque@adacore.com>
758
759         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
760
761 2012-01-03  Olivier Hainque  <hainque@adacore.com>
762
763         * collect2.c (main): In AIX specific computations for vector
764         insertions, use CONST_CAST2 to cast from char ** to const char **.
765
766 2012-01-03  Richard Guenther  <rguenther@suse.de>
767
768         PR debug/51650
769         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
770         the context of a limbo DIE when it does not already exist.
771
772 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
773
774         PR tree-optimization/51719
775         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
776         but direct call is, clear direct call's lhs and don't add fallthrough
777         edge from dcall_bb to join_bb and PHIs.
778
779 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
780
781         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
782         the instructions emitted by the pattern.
783         ("*TDC_insn_<mode>"): Add comment.
784
785 2012-01-03  Richard Guenther  <rguenther@suse.de>
786
787         PR middle-end/51730
788         * fold-const.c (fold_comparison): Properly canonicalize
789         tree offset and HOST_WIDE_INT bit position.
790
791 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
792
793         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
794         operands for extzv pattern.
795
796 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
797
798         PR bootstrap/51725
799         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
800         on mem_elt first.
801
802 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
803
804         * doc/invoke.texi (-flto and related options): Copy-edit.
805
806 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
807
808         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
809
810 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
811
812         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
813         New patterns.
814
815 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
816
817         * expr.h (move_by_pieces_ninsns): Declare.
818         * expr.c (move_by_pieces_ninsns): Make external.
819         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
820         (mips_store_by_pieces_p): Likewise.
821         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
822         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
823         * config/mips/mips.c (mips_move_by_pieces_p): New function.
824         (mips_store_by_pieces_p): Likewise.
825
826 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
827
828         * passes.c (register_one_dump_file): Free full_name.
829
830         * reload1.c (reload): Don't allocate reg_max_ref_width here.
831         (calculate_elim_costs_all_insns): Free offsets_at and
832         offsets_known_at at the end and clear the pointers.
833
834 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
835
836         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
837         this option introduced in r180739.
838
839 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
840
841         PR target/51345
842         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
843         (tmake_file target=avr): Add avr/t-multilib.
844
845         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
846         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
847         * config/avr/genmultilib.awk: New file.
848         * config/avr/t-multilib: New auto-generated file.
849         * config/avr/multilib.h: New auto-generated file.
850         * config/avr/t-avr (AVR_MCUS): New variable.
851         (genopt.sh): Use it.
852         (s-mlib): Depend on t-multilib.
853         (t-multilib, multilib.h): New dependencies.
854         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
855         (MULTILIB_OPTIONS): Remove.
856         (MULTILIB_MATCHES): Remove.
857         (MULTILIB_DIRNAMES): Remove.
858         (MULTILIB_EXCEPTIONS): Remove:
859         * config/avr/genopt.sh: Don't use hard coded file name;
860         pass AVR_MCUS from t-avr instead.
861
862 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
863
864         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
865
866 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
867
868         Implement light-weight DImode support.
869         * config/avr/avr-dimode.md: New file.
870         * config/avr/avr.md: Include it.
871         (adjust_len): Add plus64, compare64.
872         (HIDI): Remove code iterator.
873         (code_stdname): New code attribute.
874         (rotx, rotsmode): Remove DI.
875         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
876         as code iterator.
877         * config/avr/avr-protos.h (avr_have_dimode): New.
878         (avr_out_plus64, avr_out_compare64): New.
879         * config/avr/avr.c (avr_out_compare): Handle DImode.
880         (avr_have_dimode): New variable definition and initialization.
881         (avr_out_compare64, avr_out_plus64): New functions.
882         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
883         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
884         (avr_compare_pattern): Skip DImode comparisons.
885
886 2012-01-02  Revital Eres  <revital.eres@linaro.org>
887
888         * ddg.c (def_has_ccmode_p): New function.
889         (add_cross_iteration_register_deps,
890         create_ddg_dep_from_intra_loop_link): Call it.
891
892 2012-01-02  Richard Guenther  <rguenther@suse.de>
893
894         PR other/51679
895         * invoke.texi (fassociative-math): Remove spurious paranthesis.
896
897 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
898
899         * gcc.c (process_command): Update copyright notice dates.
900         * gcov.c (print_version): Likewise.
901         * gcov-dump.c (print_version): Likewise.
902         * mips-tfile.c (main): Likewise.
903         * mips-tdump.c (main): Likewise.
904
905 2012-01-01  Ira Rosen  <irar@il.ibm.com>
906
907         PR tree-optimization/51704
908         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
909         a use is inside the basic block or loop before accessing its vect info.
910
911 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
912
913         PR rtl-optimization/51069
914         * cfgloopmanip.c (remove_path): Removing path making irreducible
915         region unconditional makes BB part of the region.
916
917 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
918
919         PR tree-optimization/51683
920         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
921         calls with side-effects.
922         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
923 \f
924 Copyright (C) 2012 Free Software Foundation, Inc.
925
926 Copying and distribution of this file, with or without modification,
927 are permitted in any medium without royalty provided the copyright
928 notice and this notice are preserved.