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