OSDN Git Service

601daeed74fd29c61d5794b1c611e85689776ed0
[pf3gnuchains/gcc-fork.git] / gcc / ChangeLog
1 2012-01-14  Denis Chertykov  <chertykov@gmail.com>
2
3         PR target/50925
4         * config/avr/avr-protos.h: Revert change of 2012-01-09.
5         * config/avr/avr.c: Likewise.
6         * config/avr/avr.h: Likewise.
7
8 2012-01-13  Ian Lance Taylor  <iant@google.com>
9
10         PR c++/50012
11         * tree.h (TYPE_QUALS): Add cast to int.
12         (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
13
14 2012-01-13  Ian Lance Taylor  <iant@google.com>
15
16         * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
17         comparing param_index to VEC_length result.
18
19 2012-01-13  Steven Bosscher  <steven@gcc.gnu.org>
20
21         * c-decl.c: Do not include tree-mudflap.h
22         * tree-optimize.c: Likewise.
23         * Makefile.in: Update dependencies.
24
25 2012-01-13  Richard Guenther  <rguenther@suse.de>
26
27         PR middle-end/8081
28         * gimplify.c (gimplify_modify_expr_rhs): For calls with a
29         variable-sized result always use RSO.
30
31 2012-01-12  DJ Delorie  <dj@redhat.com>
32
33         * cfgexpand.c (convert_debug_memory_address): Allow any valid
34         pointer type, not just the default pointer type.
35
36 2012-01-09  Richard Henderson  <rth@redhat.com>
37             Denis Chertykov  <chertykov@gmail.com>
38
39         PR target/50925
40         * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
41         * config/avr/avr.c (avr_can_eliminate): Simplify.
42         (avr_initial_elimination_offset): Likewise.
43         (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
44         (expand_epilogue): Likewise.
45         (avr_legitimize_address): Gut.
46         (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
47         (avr_hard_regno_nregs): New.
48         (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
49         (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
50         * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
51         add soft frame pointer.
52         (CALL_USED_REGISTERS): Likewise.
53         (REG_CLASS_CONTENTS): Likewise.
54         (REGISTER_NAMES): Likewise.
55         (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
56         (HARD_FRAME_POINTER_REGNUM): New.
57         (FRAME_POINTER_REGNUM): Use soft frame pointer.
58         (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
59         remove the HARD_FRAME_POINTER self-elimination.
60
61 2012-01-12  Georg-Johann Lay  <avr@gjlay.de>
62
63         PR target/51756
64         * config/avr/avr.c (avr_encode_section_info): Test for absence of
65         DECL_EXTERNAL when checking for initializers of progmem variables.
66
67 2012-01-12  Ira Rosen  <irar@il.ibm.com>
68
69         PR tree-optimization/51799
70         * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
71         that the last operation is a type demotion.
72
73 2012-01-12  Uros Bizjak  <ubizjak@gmail.com>
74
75         * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
76         (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
77
78 2012-01-11  Jakub Jelinek  <jakub@redhat.com>
79
80         PR bootstrap/51796
81         * combine.c (distribute_notes): If i3 is a noreturn call,
82         allow old_size to be equal to args_size and make sure the
83         noreturn call gets REG_ARGS_SIZE note.
84         * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
85         on noreturn calls even when the delta is 0.
86
87 2012-01-11  Nathan Sidwell  <nathan@acm.org>
88
89         * gcov.c (STRING_SIZE): Remove.
90         (generate_results): Erase annotations for source files with no
91         coverage information.
92         (read_line): New.
93         (output_lines): Use it.
94
95 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
96
97         * gimple.h (gimplify_body): Remove first argument.
98         * gimplify.c (copy_if_shared): Add DATA argument.  Do not create the
99         pointer set here, instead just pass DATA to walk_tree.
100         (unshare_body): Remove BODY_P argument and adjust.  Create the pointer
101         set here and invoke copy_if_shared on the size trees of DECL_RESULT.
102         (unvisit_body): Likewise, but with unmark_visited.
103         (gimplify_body): Remove BODY_P argument and adjust.
104         (gimplify_function_tree): Adjust call to gimplify_body.
105         * omp-low.c (finalize_task_copyfn): Likewise.
106
107 2012-01-11  Eric Botcazou  <ebotcazou@adacore.com>
108
109         * tree.h (build_function_decl_skip_args): Add boolean parameter.
110         (build_function_type_skip_args): Delete.
111         * tree.c (build_function_type_skip_args): Make static and add
112         SKIP_RETURN parameter.  Fix thinko in the handling of variants.
113         (build_function_decl_skip_args): Add SKIP_RETURN parameter and
114         pass it to build_function_type_skip_args.
115         * cgraph.h (cgraph_function_versioning): Add boolean parameter.
116         (tree_function_versioning): Likewise.
117         * cgraph.c (cgraph_create_virtual_clone): Adjust call to
118         build_function_decl_skip_args.
119         * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
120         and pass it to build_function_decl_skip_args/tree_function_versioning.
121         (cgraph_materialize_clone): Adjust call to tree_function_versioning.
122         * ipa-inline-transform.c (save_inline_function_body): Likewise.
123         * trans-mem.c (ipa_tm_create_version): Likewise.
124         * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
125         * tree-inline.c (declare_return_variable): Remove always-true test.
126         (tree_function_versioning): Add SKIP_RETURN parameter.  If the function
127         returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
128         * ipa-split.c (split_function): Skip the return value for the split
129         part if it doesn't return.
130
131 2012-01-11  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
132
133         PR tree-optimization/49642
134         * ipa-split.c (forbidden_dominators): New variable.
135         (check_forbidden_calls): New function.
136         (dominated_by_forbidden): Likewise.
137         (consider_split): Check for forbidden dominators.
138         (execute_split_functions): Initialize and free forbidden
139         dominators info; call check_forbidden_calls.
140
141 2012-01-11  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
142
143         * config/arm/arm.md (mov_notscc): Use MVN for false condition.
144
145 2012-01-11  Nick Clifton  <nickc@redhat.com>
146
147         * config/rx/rx.md (return): Define pattern.
148
149 2012-01-11  Richard Guenther  <rguenther@suse.de>
150
151         * doc/extend.texi (malloc attribute): Adjust according to
152         implementation.
153
154 2012-01-10  Aldy Hernandez  <aldyh@redhat.com>
155             Patrick Marlier  <patrick.marlier@gmail.com>
156
157         PR middle-end/51516
158         * trans-mem.c (get_cg_data): Traverse aliases if requested.
159         (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
160         (ipa_tm_note_irrevocable): Same.
161         (ipa_tm_scan_irr_block): Same.
162         (ipa_tm_decrement_clone_counts): Same.
163         (ipa_tm_scan_irr_function): Same.
164         (ipa_tm_create_version_alias): Same.
165         (ipa_tm_create_version): Same.
166         (ipa_tm_transform_calls_redirect): Same.
167         (ipa_tm_transform_calls): Same.
168         (ipa_tm_transform_transaction): Same.
169         (ipa_tm_execute): Same.
170
171 2012-01-10  Richard Guenther  <rguenther@suse.de>
172
173         PR middle-end/51806
174         * opts.c (common_handle_option): Handle -Werror.
175
176 2012-01-10  Andreas Schwab  <schwab@linux-m68k.org>
177
178         * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
179         operand number.
180
181 2012-01-10  Jason Merrill  <jason@redhat.com>
182
183         * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
184         information.
185
186 2012-01-10  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
187
188         * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
189         supports R_386_TLS_GD_PLT reloc.
190         (gcc_cv_as_ix86_tlsldmplt): Check if linker
191         supports R_386_TLS_LDM_PLT reloc.
192         * configure: Regenerate.
193         * config.in: Regenerate.
194
195 2012-01-10  Georg-Johann Lay  <avr@gjlay.de>
196
197         PR target/49868
198         Extend __pgmx semantics to linearize memory.
199         * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
200         determine if code comes inline or from libgcc.
201         (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
202         (movmem_qi, movmem_qi): Set constraint #2 to "n".
203         (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
204         (movmemx_qi, movmemx_hi): New insns.
205         (xload_<mode>_libgcc): Rewrite to new insn condition.
206         (xload_<mode>): Remove insns.
207         * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
208         cases that don't satisfy avr_xload_libgcc_p().
209         (avr_addr_space_convert): Allow converting in any direction.
210         (avr_addr_space_subset_p): Return always true.
211         (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
212         (avr_emit_movmemhi): Ditto.
213         (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
214         (avr_out_movmem): Ditto.
215         (AVR_SYMBOL_FLAG_PROGMEM): New macro.
216         (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
217         (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
218         (avr_encode_section_info): Encode 'progmem' in symbol flags.
219         (output_reload_in_const): Don't zero-extend any 24-bit symbols.
220
221 2012-01-10  Richard Guenther  <rguenther@suse.de>
222
223         PR tree-optimization/50913
224         * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
225         Require data-refs to be representable by Graphite with respect
226         to any loop nest.
227
228 2012-01-10  Uros Bizjak  <ubizjak@gmail.com>
229
230         * config/i386/constraints.md ("L"): Return true for 0xffffffff.
231         * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
232
233 2012-01-10  Tom de Vries  <tom@codesourcery.com>
234
235         PR rtl-optimization/51271
236         * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
237         handling annulled branch.
238
239 2012-01-10  Richard Henderson  <rth@redhat.com>
240
241         * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
242         TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
243         struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
244         arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
245         arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
246         arm_expand_vec_perm_const): New.
247         * config/arm/arm-protos.h: Update.
248         * config/arm/neon.md (UNSPEC_VCONCAT): New.
249         (*neon_vswp<VDQX>): New.
250         (neon_vcombine<VDX>): Use neon_split_vcombine.
251         (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
252         * config/arm/vec-common.md (vec_perm_const<VALL>): New.
253         (vec_perm<VE>): New.
254
255 2012-01-10  Richard Henderson  <rth@redhat.com>
256
257         * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
258         use it if reload_completed.
259         (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
260         arm_output_asm_insn, arm_process_output_memory_barrier,
261         arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
262         arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
263         arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
264         arm_process_output_sync_insn, arm_output_sync_insn,
265         arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
266         (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
267         (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
268         (emit_unlikely_jump): New.
269         (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
270         (arm_split_atomic_op): New.
271         * config/arm/arm-protos.h: Update.
272         * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
273         (struct arm_sync_generator): Remove.
274         * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
275         VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
276         (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
277         (VUNSPEC_LL, VUNSPEC_SC): New.
278         (sync_result, sync_memory, sync_required_value, sync_new_value,
279         sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
280         (attr length): Don't use arm_sync_loop_insns.
281         (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
282         (movsfcc, movdfcc): Likewise.
283         * config/arm/constraints.md (Ua): New.
284         * config/arm/prediates.md (mem_noofs_operand): New.
285         (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
286         (sync_clobber, sync_t2_reqd): Remove.
287         (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
288         (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
289         (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
290         (arm_sync_compare_and_swap<SIDI>): Remove.
291         (arm_sync_compare_and_swap<NARROW>): Remove.
292         (arm_sync_lock_test_and_set<SIDI>): Remove.
293         (arm_sync_lock_test_and_set<NARROW>): Remove.
294         (arm_sync_new_<syncop><SIDI>): Remove.
295         (arm_sync_new_<syncop><NARROW>): Remove.
296         (arm_sync_new_nand<SIDI>): Remove.
297         (arm_sync_new_nand<NARROW>): Remove.
298         (arm_sync_old_<syncop><SIDI>): Remove.
299         (arm_sync_old_<syncop><NARROW>): Remove.
300         (arm_sync_old_nand<SIDI>): Remove.
301         (arm_sync_old_nand<NARROW>): Remove.
302         (*memory_barrier): Merge arm_output_memory_barrier.
303         (atomic_compare_and_swap<QHSD>): New.
304         (atomic_compare_and_swap<NARROW>_1): New.
305         (atomic_compare_and_swap<SIDI>_1): New.
306         (atomic_exchange<QHSD>): New.
307         (cas_cmp_operand, cas_cmp_str): New.
308         (atomic_op_operand, atomic_op_str): New.
309         (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
310         (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
311         (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
312         (arm_load_exclusive<NARROW>): New.
313         (arm_load_exclusivesi, arm_load_exclusivedi): New.
314         (arm_store_exclusive<QHSD>): New.
315
316 2012-01-09  Michael Meissner  <meissner@linux.vnet.ibm.com>
317
318         * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
319         reload patterns if -mvsx-scalar-memory.
320
321         * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
322         generated, even -mno-vsx-scalar-double was used.
323         (vsx_xscvdpsp_scalar): Likewise.
324         (vsx_xscvspdp_scalar2): Likewise.
325
326 2012-01-09  Tom de Vries  <tom@codesourcery.com>
327             Andrew Pinski  <apinski@cavium.com>
328
329         PR debug/51471
330         * reorg.c (fill_slots_from_thread): Don't speculate
331         frame-related insns.
332
333 2012-01-09  Richard Sandiford  <rdsandiford@googlemail.com>
334
335         * sched-int.h (bb_note): Move to...
336         * basic-block.h: ...here.
337         * haifa-sched.c (bb_note): Move to...
338         * cfgrtl.c: ...here.
339         * function.c (next_block_for_reg): New function.
340         (move_insn_for_shrink_wrap): Likewise.
341         (prepare_shrink_wrap): Rewrite to use the above.
342
343 2012-01-09  Aldy Hernandez  <aldyh@redhat.com>
344
345         * gimple.c (is_gimple_non_addressable): Remove.
346         * gimple.h: Remove is_gimple_non_addressable.
347         * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
348         is_gimple_non_addressable.
349         * trans-mem.c (expand_assign_tm): Same.
350
351 2012-01-09  Richard Guenther  <rguenther@suse.de>
352
353         PR tree-optimization/51775
354         * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
355         * tree-ssa-pre.c (eliminate): Properly fixup EH info.
356
357 2012-01-09  Matthew Gretton-Dann  <matthew.gretton-dann@arm.com>
358
359         * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
360         tuning parameters.
361         * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
362
363 2012-01-09  Richard Guenther  <rguenther@suse.de>
364
365         * tree-streamer-out.c (write_ts_optimization): Fix spelling.
366
367 2012-01-08  Jan Hubicka  <jh@suse.cz>
368
369         PR tree-optimize/51680
370         * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
371         on when known_vals needs to be computed; cleanup.
372
373 2012-01-08  Jan Hubicka  <jh@suse.cz>
374
375         PR tree-optimize/51694
376         * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
377
378 2012-01-08  Jonathan Wakely  <jwakely.gcc@gmail.com>
379
380         * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
381         for -std=c++98 and -std=c++11 too.
382
383 2012-01-08  Chung-Lin Tang  <cltang@codesourcery.com>
384
385         * cfgloop.c (cancel_loop): Add free() of bbs array.
386
387 2012-01-07  Jan Hubicka  <jh@suse.cz>
388
389         PR tree-optimization/51600
390         * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
391         that benefits small functions.
392
393 2012-01-07  Jan Hubicka  <jh@suse.cz>
394
395         * ipa-inline.c (want_inline_small_function_p): Fix formating.
396
397 2012-01-07  Jan Hubicka  <jh@suse.cz>
398
399         PR tree-optimization/51680
400         * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
401         whose inlining reduce unit size.
402
403 2012-01-07  Alexandre Oliva  <aoliva@redhat.com>
404
405         PR bootstrap/51725
406         * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
407         Add canonical node to containing_mem chain after the non-canonical
408         one, even if there weren't any locs to propagate.
409         (remove_useless_values): Keep only canonical values.
410         (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
411         (cselib_invalidate_mem): Likewise.  Ensure v is canonical, and
412         canonicalize mem_chain elements that are not discarded.
413
414 2012-01-06  Jakub Jelinek  <jakub@redhat.com>
415
416         PR target/47333
417         * cgraphunit.c (cgraph_optimize): Call output_weakrefs
418         before emitting functions.
419
420         PR gcov-profile/50127
421         * bb-reorder.c (partition_hot_cold_basic_blocks): Call
422         clear_aux_for_blocks.
423
424 2012-01-06  Alexandre Oliva  <aoliva@redhat.com>
425
426         PR debug/51746
427         * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
428
429 2012-01-06  Arnaud Charlet  <charlet@adacore.com>
430
431         * c-decl.c (ext_block): Moved up.
432         (collect_all_refs, for_each_global_decl): Take ext_block into account.
433
434 2012-01-06  Han Shen  <shenhan@google.com>
435
436         Translate built-in include paths for sysroot.
437         * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
438         (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
439
440         * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
441         GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
442
443         * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
444         control whether sysroot should be prepended to gxx include dir.
445
446         * configure: Regenerate.
447
448 2012-01-06  Torvald Riegel  <triegel@redhat.com>
449
450         PR rtl-optimization/51771
451         * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
452         * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
453
454 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
455
456         PR tree-optimization/51315
457         * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
458         (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
459
460 2012-01-05  Uros Bizjak  <ubizjak@gmail.com>
461
462         PR target/51681
463         * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
464         for shrp pattern.  Correctly handle and fixup shift variable.
465         Return false when shift > nelt for BYTES_BIG_ENDIAN target.
466
467 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
468
469         PR debug/51762
470         * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
471         note when !ACCUMULATE_OUTGOING_ARGS.
472
473 2012-01-05  Eric Botcazou  <ebotcazou@adacore.com>
474
475         * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
476         condition.
477         (extract_range_from_unary_expr_1): Avoid useless computations.
478
479 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
480
481         PR rtl-optimization/51767
482         * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
483         of jump_block and add an extra edge for degenerated asm gotos.
484
485         PR middle-end/51768
486         * stmt.c (check_unique_operand_names): Don't ICE during error
487         reporting if i is from labels chain.
488
489         PR middle-end/44777
490         * profile.c (branch_prob): Split bbs that have exit edge
491         and need a fake entry edge too.
492
493 2012-01-05  Jan Hubicka  <jh@suse.cz>
494
495         PR middle-end/49710
496         * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
497         unlooping loops.
498
499 2012-01-05  Richard Guenther  <rguenther@suse.de>
500
501         PR lto/50490
502         * tree-streamer-out.c (write_ts_optimization): New function.
503         (streamer_write_tree_body): Call it.
504         * tree-streamer-in.c (lto_input_ts_optimization): New function.
505         (streamer_read_tree_body): Call it.
506         * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
507
508 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
509
510         PR middle-end/51761
511         * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
512         * gimplify.c (gimplify_cleanup_point_expr): Save and set
513         in_cleanup_point_expr before gimplify_stmt call and restore it
514         afterwards.
515         (gimplify_target_expr): Don't add {CLOBBER} cleanup if
516         in_cleanup_point_expr is false.
517
518 2012-01-05  Richard Guenther  <rguenther@suse.de>
519
520         PR middle-end/51764
521         * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
522         to c.opt.
523         * toplev.c (process_options): Reject combining mudflap and LTO.
524         * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
525
526 2012-01-05  Richard Guenther  <rguenther@suse.de>
527
528         PR tree-optimization/51760
529         * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
530         not VARYING.
531         (bit_value_unop): Handle UNDEFINED operands.
532         (bit_value_binop): Likewise.
533
534 2012-01-05  Georg-Johann Lay  <avr@gjlay.de>
535
536         * config/avr/avr.c (avr_replace_prefix): Remove.
537         (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
538         (avr_asm_function_rodata_section): Ditto.
539         (avr_asm_select_section): Ditto.
540
541 2012-01-05  Marcus Shawcroft  <marcus.shawcroft@arm.com>
542
543         * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
544         insertion.
545
546 2012-01-05  Jakub Jelinek  <jakub@redhat.com>
547
548         PR bootstrap/51648
549         * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
550         calls that have any non-fake successor edges.
551
552         PR debug/51746
553         * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
554
555 2012-01-04  Eric Botcazou  <ebotcazou@adacore.com>
556
557         PR tree-optimization/51624
558         * tree-sra.c (build_ref_for_model): When replicating a chain of
559         COMPONENT_REFs, stop as soon as the offset would become negative.
560
561 2012-01-04  Jakub Jelinek  <jakub@redhat.com>
562
563         PR debug/51695
564         * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
565         in .debug_loc on the floor.
566
567 2012-01-04  Andrew Pinski  <apinski@cavium.com>
568
569         * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
570
571 2012-01-04  Andrew Pinski  <apinski@cavium.com>
572             Adam Nemet  <anemet@caviumnetworks.com>
573
574         * config/mips/mips.md (size): Add SI and DI.
575         (SIZE): New mode attribute.
576         (U): New code attribute.
577         * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
578         (mips_lbux_<mode>): Delete.
579         (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
580         (mips_lhx): Use gen_mips_lhx_extsi.
581         (mips_lhx_<mode>): Delete.
582         (mips_lwx): Delete.
583         (mips_l<size>x): New expand.
584         (mips_lwx_<mode>): Delete.
585         (mips_l<GPR:size>x_<P:mode>): New pattern.
586         (*mips_lw<u>x_<P:mode>_ext): Likewise.
587         * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
588         * config/mips/mips.c (mips_lx_address_p): New function.
589         (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
590         (dsp64): New availability predicate.
591         (mips_builtins): Add an entry for __builtin_mips_ldx.
592         * config/mips/mips.h (ISA_HAS_LBX): New define.
593         (ISA_HAS_LBUX): Likewise.
594         (ISA_HAS_LHX): Likewise.
595         (ISA_HAS_LHUX): Likewise.
596         (ISA_HAS_LWX): Likewise.
597         (ISA_HAS_LWUX): Likewise.
598         (ISA_HAS_LDX): Likewise.
599         * doc/extend.texi (__builtin_mips_ldx): Document.
600
601 2012-01-04  Tristan Gingold  <gingold@adacore.com>
602
603         * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
604         when long pointers are used.
605         * config.build (*-*-*vms*): Handle all OpenVMS targets.
606         (alpha64-dec-*vms*, alpha*-dec-*vms*)
607         (ia64-hp-*vms*): Remove.
608         * config/vms/xm-vms64.h: Delete.
609
610 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
611
612         PR middle-end/51472
613         * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
614
615 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
616
617         * opts.c (finish_options): Remove duplicate sorry.
618
619 2012-01-04  Aldy Hernandez  <aldyh@redhat.com>
620
621         PR middle-end/51696
622         * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
623         correctly.
624
625 2012-01-04  Richard Guenther  <rguenther@suse.de>
626
627         PR middle-end/51750
628         * tree.c (size_low_cst): New function.
629         * tree.h (size_low_cst): Declare.
630         * fold-const.c (fold_comparison): Use it to extract the low
631         part of the POINTER_PLUS_EXPR offset.
632
633 2012-01-04  Georg-Johann Lay  <avr@gjlay.de>
634
635         Fix clearing ZERO_REG
636         * config/avr/avr.md (cc): Add alternative "ldi".
637         (movqi_insn): Use it in cc attribute.
638         * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
639         (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
640         (output_reload_insisf): Use ZERO_REG to pre-clear register.
641
642 2012-01-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
643
644         * configure: Regenerate.
645
646 2012-01-04  Richard Guenther  <rguenther@suse.de>
647
648         PR tree-optimization/49651
649         * tree-ssa-structalias.c (type_can_have_subvars): New function.
650         (var_can_have_subvars): Use it.
651         (get_constraint_for_1): Only consider subfields if there can be any.
652
653 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
654
655         PR bootstrap/51725
656         * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
657         to its new canonical_cselib_val and the cselib_val was in
658         first_containing_mem chain, but the canonical_cselib_val was not,
659         add the latter into the chain.
660         (cselib_invalidate_mem): Compare canonical_cselib_val of
661         addr_list chain elt with v.
662
663         PR pch/51722
664         * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
665         dwarf2out_undef): Allocate e.info using ggc_strdup instead
666         of xstrdup.
667         (output_macinfo_op): Don't ggc_strdup fd->filename.
668         (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
669         then ggc_strdup it.  Don't free inc->info or cur->info.
670         (output_macinfo): Don't free ref->info or file->info.
671
672 2012-01-03  Ira Rosen  <irar@il.ibm.com>
673
674         PR tree-optimization/51269
675         * tree-vect-loop-manip.c (set_prologue_iterations): Make
676         first_niters a pointer.
677         (slpeel_tree_peel_loop_to_edge): Likewise.
678         (vect_do_peeling_for_loop_bound): Update call to
679         slpeel_tree_peel_loop_to_edge.
680         (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
681         here.  Remove it from the parameters list.
682         (vect_do_peeling_for_alignment): Update calls and compute
683         wide_prolog_niters.
684
685 2012-01-03  Richard Guenther  <rguenther@suse.de>
686
687         PR tree-optimization/51070
688         * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
689         Properly handle calls.
690
691 2012-01-03  Richard Guenther  <rguenther@suse.de>
692
693         PR tree-optimization/51692
694         * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
695         the LHS of allocation stmts.
696
697 2012-01-03  Olivier Hainque  <hainque@adacore.com>
698
699         * system.h: Prior to #define, #undef fopen and freopen unconditionally.
700
701 2012-01-03  Olivier Hainque  <hainque@adacore.com>
702
703         * collect2.c (main): In AIX specific computations for vector
704         insertions, use CONST_CAST2 to cast from char ** to const char **.
705
706 2012-01-03  Richard Guenther  <rguenther@suse.de>
707
708         PR debug/51650
709         * dwarf2out.c (dwarf2out_finish): Always create a DIE for
710         the context of a limbo DIE when it does not already exist.
711
712 2012-01-03  Jakub Jelinek  <jakub@redhat.com>
713
714         PR tree-optimization/51719
715         * value-prof.c (gimple_ic): When indirect call isn't noreturn,
716         but direct call is, clear direct call's lhs and don't add fallthrough
717         edge from dcall_bb to join_bb and PHIs.
718
719 2012-01-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>
720
721         * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
722         the instructions emitted by the pattern.
723         ("*TDC_insn_<mode>"): Add comment.
724
725 2012-01-03  Richard Guenther  <rguenther@suse.de>
726
727         PR middle-end/51730
728         * fold-const.c (fold_comparison): Properly canonicalize
729         tree offset and HOST_WIDE_INT bit position.
730
731 2012-01-02  Uros Bizjak  <ubizjak@gmail.com>
732
733         * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
734         operands for extzv pattern.
735
736 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
737
738         PR bootstrap/51725
739         * cselib.c (add_mem_for_addr): Call canonical_cselib_val
740         on mem_elt first.
741
742 2012-01-02  Sandra Loosemore  <sandra@codesourcery.com>
743
744         * doc/invoke.texi (-flto and related options): Copy-edit.
745
746 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
747
748         * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
749
750 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
751
752         * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
753         New patterns.
754
755 2012-01-02  Richard Sandiford  <rdsandiford@googlemail.com>
756
757         * expr.h (move_by_pieces_ninsns): Declare.
758         * expr.c (move_by_pieces_ninsns): Make external.
759         * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
760         (mips_store_by_pieces_p): Likewise.
761         * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
762         (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
763         * config/mips/mips.c (mips_move_by_pieces_p): New function.
764         (mips_store_by_pieces_p): Likewise.
765
766 2012-01-02  Jakub Jelinek  <jakub@redhat.com>
767
768         * passes.c (register_one_dump_file): Free full_name.
769
770         * reload1.c (reload): Don't allocate reg_max_ref_width here.
771         (calculate_elim_costs_all_insns): Free offsets_at and
772         offsets_known_at at the end and clear the pointers.
773
774 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
775
776         * config/avr/avr.opt (-mbranch-cost): Fix double definition of
777         this option introduced in r180739.
778
779 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
780
781         PR target/51345
782         * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
783         (tmake_file target=avr): Add avr/t-multilib.
784
785         * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
786         to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
787         * config/avr/genmultilib.awk: New file.
788         * config/avr/t-multilib: New auto-generated file.
789         * config/avr/multilib.h: New auto-generated file.
790         * config/avr/t-avr (AVR_MCUS): New variable.
791         (genopt.sh): Use it.
792         (s-mlib): Depend on t-multilib.
793         (t-multilib, multilib.h): New dependencies.
794         (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
795         (MULTILIB_OPTIONS): Remove.
796         (MULTILIB_MATCHES): Remove.
797         (MULTILIB_DIRNAMES): Remove.
798         (MULTILIB_EXCEPTIONS): Remove:
799         * config/avr/genopt.sh: Don't use hard coded file name;
800         pass AVR_MCUS from t-avr instead.
801
802 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
803
804         * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
805
806 2012-01-02  Georg-Johann Lay  <avr@gjlay.de>
807
808         Implement light-weight DImode support.
809         * config/avr/avr-dimode.md: New file.
810         * config/avr/avr.md: Include it.
811         (adjust_len): Add plus64, compare64.
812         (HIDI): Remove code iterator.
813         (code_stdname): New code attribute.
814         (rotx, rotsmode): Remove DI.
815         (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
816         as code iterator.
817         * config/avr/avr-protos.h (avr_have_dimode): New.
818         (avr_out_plus64, avr_out_compare64): New.
819         * config/avr/avr.c (avr_out_compare): Handle DImode.
820         (avr_have_dimode): New variable definition and initialization.
821         (avr_out_compare64, avr_out_plus64): New functions.
822         (avr_out_plus_1): Use simplify_unary_operation to negate xval.
823         (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
824         (avr_compare_pattern): Skip DImode comparisons.
825
826 2012-01-02  Revital Eres  <revital.eres@linaro.org>
827
828         * ddg.c (def_has_ccmode_p): New function.
829         (add_cross_iteration_register_deps,
830         create_ddg_dep_from_intra_loop_link): Call it.
831
832 2012-01-02  Richard Guenther  <rguenther@suse.de>
833
834         PR other/51679
835         * invoke.texi (fassociative-math): Remove spurious paranthesis.
836
837 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
838
839         * gcc.c (process_command): Update copyright notice dates.
840         * gcov.c (print_version): Likewise.
841         * gcov-dump.c (print_version): Likewise.
842         * mips-tfile.c (main): Likewise.
843         * mips-tdump.c (main): Likewise.
844
845 2012-01-01  Ira Rosen  <irar@il.ibm.com>
846
847         PR tree-optimization/51704
848         * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
849         a use is inside the basic block or loop before accessing its vect info.
850
851 2012-01-01  Jan Hubicka  <jhjh@suse.cz>
852
853         PR rtl-optimization/51069
854         * cfgloopmanip.c (remove_path): Removing path making irreducible
855         region unconditional makes BB part of the region.
856
857 2012-01-01  Jakub Jelinek  <jakub@redhat.com>
858
859         PR tree-optimization/51683
860         * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
861         calls with side-effects.
862         * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
863 \f
864 Copyright (C) 2012 Free Software Foundation, Inc.
865
866 Copying and distribution of this file, with or without modification,
867 are permitted in any medium without royalty provided the copyright
868 notice and this notice are preserved.