1 2012-01-11 Richard Guenther <rguenther@suse.de>
3 * doc/extend.texi (malloc attribute): Adjust according to
6 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
7 Patrick Marlier <patrick.marlier@gmail.com>
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.
23 2012-01-10 Richard Guenther <rguenther@suse.de>
26 * opts.c (common_handle_option): Handle -Werror.
28 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
30 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
33 2012-01-10 Jason Merrill <jason@redhat.com>
35 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
38 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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.
47 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
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.
73 2012-01-10 Richard Guenther <rguenther@suse.de>
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
80 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
82 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
83 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
85 2012-01-10 Tom de Vries <tom@codesourcery.com>
87 PR rtl-optimization/51271
88 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
89 handling annulled branch.
91 2012-01-10 Richard Henderson <rth@redhat.com>
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.
107 2012-01-10 Richard Henderson <rth@redhat.com>
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.
168 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
170 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
171 reload patterns if -mvsx-scalar-memory.
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.
178 2012-01-09 Tom de Vries <tom@codesourcery.com>
179 Andrew Pinski <apinski@cavium.com>
182 * reorg.c (fill_slots_from_thread): Don't speculate
185 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
187 * sched-int.h (bb_note): Move to...
188 * basic-block.h: ...here.
189 * haifa-sched.c (bb_note): Move to...
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.
195 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
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.
203 2012-01-09 Richard Guenther <rguenther@suse.de>
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.
209 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
211 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
213 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
215 2012-01-09 Richard Guenther <rguenther@suse.de>
217 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
219 2012-01-08 Jan Hubicka <jh@suse.cz>
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.
225 2012-01-08 Jan Hubicka <jh@suse.cz>
227 PR tree-optimize/51694
228 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
230 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
232 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
233 for -std=c++98 and -std=c++11 too.
235 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
237 * cfgloop.c (cancel_loop): Add free() of bbs array.
239 2012-01-07 Jan Hubicka <jh@suse.cz>
241 PR tree-optimization/51600
242 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
243 that benefits small functions.
245 2012-01-07 Jan Hubicka <jh@suse.cz>
247 * ipa-inline.c (want_inline_small_function_p): Fix formating.
249 2012-01-07 Jan Hubicka <jh@suse.cz>
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.
255 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
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.
266 2012-01-06 Jakub Jelinek <jakub@redhat.com>
269 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
270 before emitting functions.
272 PR gcov-profile/50127
273 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
274 clear_aux_for_blocks.
276 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
279 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
281 2012-01-06 Arnaud Charlet <charlet@adacore.com>
283 * c-decl.c (ext_block): Moved up.
284 (collect_all_refs, for_each_global_decl): Take ext_block into account.
286 2012-01-06 Han Shen <shenhan@google.com>
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.
292 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
293 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
295 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
296 control whether sysroot should be prepended to gxx include dir.
298 * configure: Regenerate.
300 2012-01-06 Torvald Riegel <triegel@redhat.com>
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.
306 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
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.
312 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
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.
319 2012-01-05 Jakub Jelinek <jakub@redhat.com>
322 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
323 note when !ACCUMULATE_OUTGOING_ARGS.
325 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
327 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
329 (extract_range_from_unary_expr_1): Avoid useless computations.
331 2012-01-05 Jakub Jelinek <jakub@redhat.com>
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.
338 * stmt.c (check_unique_operand_names): Don't ICE during error
339 reporting if i is from labels chain.
342 * profile.c (branch_prob): Split bbs that have exit edge
343 and need a fake entry edge too.
345 2012-01-05 Jan Hubicka <jh@suse.cz>
348 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
351 2012-01-05 Richard Guenther <rguenther@suse.de>
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.
360 2012-01-05 Jakub Jelinek <jakub@redhat.com>
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
367 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
368 in_cleanup_point_expr is false.
370 2012-01-05 Richard Guenther <rguenther@suse.de>
373 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
375 * toplev.c (process_options): Reject combining mudflap and LTO.
376 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
378 2012-01-05 Richard Guenther <rguenther@suse.de>
380 PR tree-optimization/51760
381 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
383 (bit_value_unop): Handle UNDEFINED operands.
384 (bit_value_binop): Likewise.
386 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
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.
393 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
395 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
398 2012-01-05 Jakub Jelinek <jakub@redhat.com>
401 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
402 calls that have any non-fake successor edges.
405 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
407 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
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.
413 2012-01-04 Jakub Jelinek <jakub@redhat.com>
416 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
417 in .debug_loc on the floor.
419 2012-01-04 Andrew Pinski <apinski@cavium.com>
421 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
423 2012-01-04 Andrew Pinski <apinski@cavium.com>
424 Adam Nemet <anemet@caviumnetworks.com>
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.
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.
453 2012-01-04 Tristan Gingold <gingold@adacore.com>
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.
462 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
465 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
467 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
469 * opts.c (finish_options): Remove duplicate sorry.
471 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
474 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
477 2012-01-04 Richard Guenther <rguenther@suse.de>
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.
485 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
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.
494 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
496 * configure: Regenerate.
498 2012-01-04 Richard Guenther <rguenther@suse.de>
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.
505 2012-01-03 Jakub Jelinek <jakub@redhat.com>
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.
516 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
517 dwarf2out_undef): Allocate e.info using ggc_strdup instead
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.
524 2012-01-03 Ira Rosen <irar@il.ibm.com>
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
537 2012-01-03 Richard Guenther <rguenther@suse.de>
539 PR tree-optimization/51070
540 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
541 Properly handle calls.
543 2012-01-03 Richard Guenther <rguenther@suse.de>
545 PR tree-optimization/51692
546 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
547 the LHS of allocation stmts.
549 2012-01-03 Olivier Hainque <hainque@adacore.com>
551 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
553 2012-01-03 Olivier Hainque <hainque@adacore.com>
555 * collect2.c (main): In AIX specific computations for vector
556 insertions, use CONST_CAST2 to cast from char ** to const char **.
558 2012-01-03 Richard Guenther <rguenther@suse.de>
561 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
562 the context of a limbo DIE when it does not already exist.
564 2012-01-03 Jakub Jelinek <jakub@redhat.com>
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.
571 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
573 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
574 the instructions emitted by the pattern.
575 ("*TDC_insn_<mode>"): Add comment.
577 2012-01-03 Richard Guenther <rguenther@suse.de>
580 * fold-const.c (fold_comparison): Properly canonicalize
581 tree offset and HOST_WIDE_INT bit position.
583 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
585 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
586 operands for extzv pattern.
588 2012-01-02 Jakub Jelinek <jakub@redhat.com>
591 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
594 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
596 * doc/invoke.texi (-flto and related options): Copy-edit.
598 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
600 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
602 2012-01-02 Jakub Jelinek <jakub@redhat.com>
604 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
607 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
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.
618 2012-01-02 Jakub Jelinek <jakub@redhat.com>
620 * passes.c (register_one_dump_file): Free full_name.
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.
626 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
628 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
629 this option introduced in r180739.
631 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
634 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
635 (tmake_file target=avr): Add avr/t-multilib.
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.
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.
654 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
656 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
658 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
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
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.
678 2012-01-02 Revital Eres <revital.eres@linaro.org>
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.
684 2012-01-02 Richard Guenther <rguenther@suse.de>
687 * invoke.texi (fassociative-math): Remove spurious paranthesis.
689 2012-01-01 Jakub Jelinek <jakub@redhat.com>
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.
697 2012-01-01 Ira Rosen <irar@il.ibm.com>
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.
703 2012-01-01 Jan Hubicka <jhjh@suse.cz>
705 PR rtl-optimization/51069
706 * cfgloopmanip.c (remove_path): Removing path making irreducible
707 region unconditional makes BB part of the region.
709 2012-01-01 Jakub Jelinek <jakub@redhat.com>
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.
716 Copyright (C) 2012 Free Software Foundation, Inc.
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.