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