1 2012-01-25 Jason Merrill <jason@redhat.com>
4 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
6 2012-01-25 Jakub Jelinek <jakub@redhat.com>
8 PR tree-optimization/51987
9 * tree-data-ref.c (get_references_in_stmt): Handle references in
10 non-volatile GIMPLE_ASM.
12 2012-01-25 Richard Guenther <rguenther@suse.de>
14 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
15 bases are dereferenced.
17 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
19 PR rtl-optimization/48374
20 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
22 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
24 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
25 compute_data_dependences_for_loop returns false.
26 * tree-parloops.c (loop_parallel_p): Likewise.
28 2012-01-25 Richard Guenther <rguenther@suse.de>
30 * tree.h (get_pointer_alignment_1): Declare.
31 * builtins.c (get_pointer_alignment_1): New function.
32 (get_pointer_alignment): Use it.
34 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
36 PR rtl-optimization/48308
37 * combine.c (enum undo_kind): Add UNDO_LINKS.
38 (struct undo): Add member l to other_contents and where.
41 (try_combine): Handle LOG_LINKS for the dummy i1 case.
42 (undo_all): Handle UNDO_LINKS.
44 2012-01-25 Richard Henderson <rth@redhat.com>
46 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
49 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
51 * optabs.c (gen_atomic_test_and_set): Use each argument.
53 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
55 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
56 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
57 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
58 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
59 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
60 TARGET_PAIRED_SINGLE_FLOAT.
62 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
64 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
65 (in_struct, return_val): Remove MEM documentation.
66 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
67 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
68 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
70 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
71 * cfgexpand.c (add_alias_set_conflicts): Likewise.
72 * expr.c (store_field): Likewise.
73 * function.c (assign_stack_temp_for_type): Likewise.
74 * ifcvt.c (noce_try_cmove_arith): Likewise.
75 * reload1.c (reload): Likewise.
76 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
77 (alpha_set_memflags): Likewise.
78 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
80 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
82 * rtl.h (true_dependence, canon_true_dependence): Remove varies
84 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
85 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
86 (true_dependence_1, true_dependence, canon_true_dependence): Remove
88 * cselib.c (cselib_rtx_varies_p): Delete.
89 (cselib_invalidate_mem): Update call to canon_true_dependence.
90 * dse.c (record_store, check_mem_read_rtx): Likewise.
91 (scan_reads_nospill): Likewise.
92 * cse.c (check_dependence): Likewise.
93 (cse_rtx_varies_p): Delete.
94 * expr.c (safe_from_p): Update call to true_dependence.
95 * ira.c (validate_equiv_mem_from_store): Likewise.
96 (memref_referenced_p): Likewise.
97 * postreload-gcse.c (find_mem_conflicts): Likewise.
98 * sched-deps.c (sched_analyze_2): Likewise.
99 * store-motion.c (load_kills_store): Likewise.
100 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
101 * gcse.c (mems_conflict_for_gcse_p): Likewise.
102 (compute_transp): Update call to canon_true_dependence.
104 2012-01-25 Richard Henderson <rth@redhat.com>
106 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
107 (maybe_emit_atomic_test_and_set): New.
108 (expand_sync_lock_test_and_set): Use it.
109 (expand_atomic_test_and_set): Likewise.
110 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
111 the implementation; clarify implementation defined details.
112 * doc/md.texi (atomic_test_and_set): Document.
114 2012-01-25 Richard Henderson <rth@redhat.com>
116 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
118 2012-01-25 Richard Henderson <rth@redhat.com>
121 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
122 to effect no-op split.
124 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
125 Patrick Marlier <patrick.marlier@gmail.com>
127 * trans-mem.c (requires_barrier): Do not instrument thread local
128 variables and emit save/restore for them.
130 2012-01-24 Jason Merrill <jason@redhat.com>
133 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
134 output static aliases.
136 2012-01-24 Jakub Jelinek <jakub@redhat.com>
139 * common.opt (-pie, -shared, pie, shared): Change from Common to
141 * gcc.c (display_help): Display help for -pie and -shared.
143 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
146 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
147 Remove note on size/offset limitation.
148 (AVR Variable Attributes): Add example how to read data located
149 with progmem. Refer to named address spaces.
150 * doc/invoke.texi (AVR Options): Fix typo.
152 2012-01-24 Richard Guenther <rguenther@suse.de>
154 Forward-port to trunk
155 2010-09-21 Jakub Jelinek <jakub@redhat.com>
158 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
159 op0 isn't sufficiently aligned and there is movmisalignM
160 insn for mode, use it to load op0 into a temporary register.
162 2012-01-24 Jakub Jelinek <jakub@redhat.com>
165 * target.def (const_not_ok_for_debug_p): New hook.
166 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
168 * doc/tm.texi: Regenerated.
169 * dwarf2out.c (const_ok_for_output_1): If
170 targetm.const_not_ok_for_debug_p returns true, fail.
171 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
173 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
175 2012-01-23 Kai Tietz <ktietz@redhat.com>
178 * config/i386/predicates.md (symbolic_operand): Allow
179 UNSPEC_PCREL as PIC expression for lea.
180 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
181 * config/i386/i386.c (ix86_delegitimize_address): Handle
182 UNSPEC_PCREL for none-MEM, too.
184 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
186 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
187 (ipa_tm_create_version_alias): Same.
189 2012-01-18 Uros Bizjak <ubizjak@gmail.com>
192 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
193 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
195 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
196 Patrick Marlier <patrick.marlier@gmail.com>
197 Iain Sandoe <developer@sandoe-acoustics.co.uk>
200 * lto-wrapper.c (run_gcc): Pass the LTO section name to
201 simple_object_start_read.
203 2012-01-23 Richard Guenther <rguenther@suse.de>
206 PR tree-optimization/51895
207 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
208 parameter decomposition into BLKmode components.
210 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
212 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
213 fake variables for restrict-qualified pointers whose pointed-to type
214 contains a placeholder.
216 2012-01-23 Richard Guenther <rguenther@suse.de>
218 PR tree-optimization/51949
219 * ipa-split.c (execute_split_functions): Do not split malloc functions.
221 2012-01-23 Jakub Jelinek <jakub@redhat.com>
223 PR rtl-optimization/51933
224 * ree.c (transform_ifelse): Return true right away if dstreg is
225 already wider or equal to cand->mode.
226 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
227 (make_defs_and_copies_lists): Remove defs_list and copies_list
228 arguments, add state argument, just truncate state->work_list
229 instead of always allocating and freeing the vector. Assert that
230 get_defs succeeds instead of returning 2. Changed return type to bool.
231 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
232 have ext_src_mode, see if it has been modified already with the
233 right kind of extension and has been extended before from the
234 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
235 just return true. Remember the original mode in state->modified array.
236 (combine_reaching_defs): Add state argument. Don't allocate and
237 free here def_list, copied_list and vec vectors, instead just
238 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
239 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
240 Add state variable, clear vectors in it, initialize state.modified
241 if needed. Free all the vectors at the end and state.modified too.
242 Don't skip a candidate if the extension expression has been modified.
244 2012-01-22 Douglas B Rupp <rupp@gnat.com>
247 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
248 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
249 (extra_options) interix.opt -> i386/interix.opt"
250 (extra_objs):Add winnt-stubs.o
251 * configure.ac: Add interix to target_os .comm on PE check.
252 * configure: Regenerate.
253 * config/interix3.h: Delete and move bits to..
254 * config/interix.h: Delete and move bits to..
255 * config/i386/i386-interix3.h: Delete and move bits to..
256 * config/i386/i386-interix.h: ..here.
257 (TARGET_CPU_DEFAULT): Remove redefinition.
258 (TARGET_ASM_CONSTRUCTOR): Undefine.
259 (SUBTARGET_SWITCHES): Define for ms-bitfields.
260 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
261 (PTRDIFF_TYPE): Define.
262 (LONG_DOUBLE_TYPE_SIZE): Define.
263 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
264 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
265 (TARGET_SECTION_TYPE_FLAGS): Define.
266 (ASM_DECLARE_FUNCTION_NAME): Define.
267 (ASM_OUTPUT_EXTERNAL): Define.
268 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
269 (ASM_OUTPUT_ALIGNED_BSS): Define.
270 (PCC_BITFIELD_TYPE_MATTERS): Define.
271 (USE_CONST_SECTION): Define.
272 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
273 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
274 (SUPPORTS_ONE_ONLY): Remove.
275 (I386_PE_STRIP_ENCODING): Define.
276 * config/interix.opt: Delete and move bits to..
277 * config/i386/interix.opt: ..here. New.
278 (mpe-aligned-commons): Add.
279 * config/i386/t-interix: Add copyright header.
280 (winnt-stubs.o): Add rule.
282 2012-01-22 Jason Merrill <jason@redhat.com>
285 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
286 for extra name aliases.
288 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
290 PR rtl-optimization/51924
291 * ree.c (combine_set_extension): Improve debugging message.
292 (combine_reaching_defs): Likewise.
293 (get_defs): Rename confusingly named variable.
294 (find_and_remove_re): Skip a candidate if the extension expression has
297 2012-01-21 Robert Millan <rmh@gnu.org>
298 Gerald Pfeifer <gerald@pfeifer.com>
300 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
301 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
303 2012-01-20 Jakub Jelinek <jakub@redhat.com>
305 PR tree-optimization/51914
306 * tree-vect-stmts.c (vectorizable_conversion): For
307 cvt_type && modifier == WIDEN, put temporary with cvt_type
308 at the beginning of vec_dsts and set vec_dest to temporary
311 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
313 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
315 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
317 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
318 * config/rs6000/rs6000.c: Likewise.
320 2012-01-20 Jakub Jelinek <jakub@redhat.com>
323 * config/arm/arm.c (arm_count_output_move_double_insns): Call
324 output_move_double on a copy of operands array.
326 2012-01-20 Cary Coutant <ccoutant@google.com>
327 Dodji Seketeli <dodji@redhat.com>
330 * dwarf2out.c (copy_declaration_context): Return ref to parent
331 of declaration DIE, if necessary.
332 (remove_child_or_replace_with_skeleton): Add new parameter; update
333 caller. Place skeleton DIE under parent DIE of original declaration.
334 Move call to copy_declaration_context to here ...
335 (break_out_comdat_types): ... from here.
337 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
339 PR rtl-optimization/51856
340 * reload.c (find_reloads_subreg_address): Set the address_reloaded
343 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
346 * config/arm/arm.c (arm_print_operand): Correct output of alignment
347 hints for neon loads and stores.
349 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
353 * doc/extend.texi (Named Address Spaces): Split into subsections.
354 (AVR Named Address Spaces): New subsection.
355 (M32C Named Address Spaces): New subsection.
356 (RL78 Named Address Spaces): New subsection.
357 (SPU Named Address Spaces): New subsection.
358 (Variable Attributes): New anchor "AVR Variable Attributes".
359 (AVR Variable Attributes): Rewrite and avoid wording
360 "address space" in this context.
361 * doc/invoke.texi (AVR Options): Rewrite and add documentation
362 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
363 (AVR Built-in Macros): New subsubsection therein.
364 * doc/md.texi (AVR constraints): Remove "C04", "R".
366 2012-01-20 Richard Guenther <rguenther@suse.de>
368 PR tree-optimization/51903
369 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
372 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
375 * config/arm/arm.c (arm_load_pic_register): Use
376 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
377 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
378 (arm_pic_static_addr): Likewise.
379 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
380 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
381 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
382 (pic_load_addr_unified): New.
384 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
387 * function.c (instantiate_virtual_regs_in_insn): Use
388 delete_insn_and_edges when removing a wrong asm insn.
390 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
392 PR rtl-optimization/40761
393 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
394 Add new member loop_num.
395 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
396 (ira_build): Remove the parameter.
398 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
399 (ira.c): Do not build CFG loops for one region allocation. Remove
400 argument from ira_build call.
402 * ira-build.c (init_loop_tree_node): New function.
403 (create_loop_tree_nodes): Use it. Separate the case when CFG
405 (more_one_region_p): Check current_loops.
406 (finish_loop_tree_nodes): Separate the case when CFG loops are not
408 (add_loop_to_tree): Process loop equal to NULL too.
409 (form_loop_tree): Separate the case when CFG loops are not built.
410 Use explicitly number for the root.
411 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
413 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
414 instead of loop->num.
415 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
416 (mark_all_loops_for_removal): Ditto.
417 (remove_unnecessary_regions): Separate the case when CFG loops
419 (ira_build): Remove the parameter. Use explicit number of regions
420 when CFG loops are not built.
422 * ira-color.c (print_loop_title): Separate the case for the root node.
423 Use loop_num instead of loop->num.
424 (move_spill_restore): Use loop_num instead of loop->num.
426 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
427 (change_loop): Ditto.
428 (change_loop): Use loop_num instead of loop->num.
430 * ira-lives.c (process_bb_node_lives): Ditto.
432 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
434 * ira-conflicts.c (print_allocno_conflicts): Ditto.
436 2012-01-19 Jakub Jelinek <jakub@redhat.com>
439 * tree-mudflap.c (mf_artificial): New function.
440 (execute_mudflap_function_ops, execute_mudflap_function_decls,
441 mx_register_decls, mudflap_enqueue_decl): Use it.
444 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
445 numbers in the insn pattern.
447 2012-01-19 Michael Matz <matz@suse.de>
449 PR tree-optimization/46590
450 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
451 use it in remembering which conflicts we already created.
452 (add_scope_conflicts): Adjust call to above, (de)allocate helper
455 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
458 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
459 (merge_and_complain): Same.
461 2012-01-19 Jakub Jelinek <jakub@redhat.com>
464 * config/initfini-array.h: Guard content of the header
465 with #ifdef HAVE_INITFINI_ARRAY.
466 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
467 Add initfini-array.h to tm_file here.
468 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
469 * config.gcc: Don't add initfini-array.h to tm_file here.
470 * configure: Regenerated.
472 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
474 PR rtl-optimization/51505
475 * df-problems.c (df_kill_notes): New parameter live. Update comment.
476 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
477 (df_note_bb_compute): Update the call to df_kill_notes.
479 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
481 * trans-mem.c (requires_barrier): Remove call to is_global_var.
483 2012-01-18 Richard Guenther <rguenther@suse.de>
485 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
486 of conversions to void *.
488 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
489 Richard Sandiford <rdsandiford@googlemail.com>
493 * optabs.h (simplify_expand_binop): Declare.
494 * optabs.c (simplify_expand_binop): Make global.
495 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
496 endian targets if the source cannot be exactly covered by word
499 2012-01-17 Jakub Jelinek <jakub@redhat.com>
502 * hard-reg-set.h (struct hard_reg_set_container): New type.
503 * target.h (struct hard_reg_set_container): Forward declare.
504 * target.def (set_up_by_prologue): New target hook.
505 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
506 * doc/tm.texi: Regenerated.
507 * function.c (thread_prologue_and_epilogue_insns): Change
508 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
509 Call targetm.set_up_by_prologue on it.
510 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
511 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
513 2012-01-17 Nick Clifton <nickc@redhat.com>
515 * config/rx/rx.c (rx_can_use_simple_return): New function.
516 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
517 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
519 2012-01-17 Richard Guenther <rguenther@suse.de>
522 * expr.c (expand_assignment): Take address-space information
523 from the address operand of MEM_REF and TARGET_MEM_REF.
524 (expand_expr_real_1): Likewise.
526 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
528 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
529 reload dump is requested.
531 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
534 * trans-mem.c (requires_barrier): Call may_be_aliased.
536 2012-01-17 Jakub Jelinek <jakub@redhat.com>
538 PR tree-optimization/51877
539 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
540 call arguments and fndecls compare equal, instead return false if they
541 don't. Return true only if lhs1 and lhs2 are either both NULL, or
542 both SSA_NAMEs that are valueized the same, or they satisfy
545 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
547 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
549 * configure: Regenerate.
551 2012-01-16 Jan Hubicka <jh@suse.cz>
555 * convert.c (convert_to_integer): Use fold_convert for
556 converting an INTEGER_CST to integer type.
558 2012-01-16 Jason Merrill <jason@redhat.com>
561 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
563 2012-01-16 Jakub Jelinek <jakub@redhat.com>
566 * config/s390/s390.c (s390_chunkify_start): Don't skip
567 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
568 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
569 If insn is followed by NOTE_INSN_VAR_LOCATION or
570 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
571 Don't use location of note insns.
573 PR tree-optimization/51865
574 * tree-inline.c (tree_function_versioning): Call remap_decl
575 on DECL_RESULT whenever it has VOID_TYPE_P type.
577 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
579 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
580 for calls to locally-binding MIPS16 functions if only the return
581 type uses float regs.
583 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
584 Richard Sandiford <rdsandiford@googlemail.com>
586 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
587 (SYMBOL_32_HIGH): Likewise.
588 (mips_output_tls_reloc_directive): Declare.
589 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
590 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
591 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
592 (mips_lo_relocs, mips_hi_relocs): Make extern.
593 (mips16_stub_function): Move up file.
594 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
595 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
596 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
597 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
598 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
599 (mips_get_tp): Add MIPS16 support.
600 (mips_legitimize_tls_address): Remove MIPS16 sorry().
601 Generalize DTPREL and TPREL handling.
602 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
603 Add MIPS16 TLS support.
604 (mips_output_tls_reloc_directive): New function.
605 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
606 * config/mips/predicates.md (symbolic_operand_with_high)
607 (tls_reloc_operand): New predicates.
608 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
609 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
610 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
611 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
612 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
613 (*tls_get_tp_mips16_call_<mode>): Likewise.
615 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
617 PR rtl-optimization/51821
618 * recog.c (peep2_find_free_register): Determine clobbered registers
621 2012-01-14 Denis Chertykov <chertykov@gmail.com>
624 * config/avr/avr-protos.h: Revert change of 2012-01-09.
625 * config/avr/avr.c: Likewise.
626 * config/avr/avr.h: Likewise.
628 2012-01-13 Ian Lance Taylor <iant@google.com>
631 * tree.h (TYPE_QUALS): Add cast to int.
632 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
634 2012-01-13 Ian Lance Taylor <iant@google.com>
636 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
637 comparing param_index to VEC_length result.
639 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
641 * c-decl.c: Do not include tree-mudflap.h
642 * tree-optimize.c: Likewise.
643 * Makefile.in: Update dependencies.
645 2012-01-13 Richard Guenther <rguenther@suse.de>
648 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
649 variable-sized result always use RSO.
651 2012-01-12 DJ Delorie <dj@redhat.com>
653 * cfgexpand.c (convert_debug_memory_address): Allow any valid
654 pointer type, not just the default pointer type.
656 2012-01-09 Richard Henderson <rth@redhat.com>
657 Denis Chertykov <chertykov@gmail.com>
660 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
661 * config/avr/avr.c (avr_can_eliminate): Simplify.
662 (avr_initial_elimination_offset): Likewise.
663 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
664 (expand_epilogue): Likewise.
665 (avr_legitimize_address): Gut.
666 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
667 (avr_hard_regno_nregs): New.
668 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
669 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
670 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
671 add soft frame pointer.
672 (CALL_USED_REGISTERS): Likewise.
673 (REG_CLASS_CONTENTS): Likewise.
674 (REGISTER_NAMES): Likewise.
675 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
676 (HARD_FRAME_POINTER_REGNUM): New.
677 (FRAME_POINTER_REGNUM): Use soft frame pointer.
678 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
679 remove the HARD_FRAME_POINTER self-elimination.
681 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
684 * config/avr/avr.c (avr_encode_section_info): Test for absence of
685 DECL_EXTERNAL when checking for initializers of progmem variables.
687 2012-01-12 Ira Rosen <irar@il.ibm.com>
689 PR tree-optimization/51799
690 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
691 that the last operation is a type demotion.
693 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
695 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
696 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
698 2012-01-11 Jakub Jelinek <jakub@redhat.com>
701 * combine.c (distribute_notes): If i3 is a noreturn call,
702 allow old_size to be equal to args_size and make sure the
703 noreturn call gets REG_ARGS_SIZE note.
704 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
705 on noreturn calls even when the delta is 0.
707 2012-01-11 Nathan Sidwell <nathan@acm.org>
709 * gcov.c (STRING_SIZE): Remove.
710 (generate_results): Erase annotations for source files with no
711 coverage information.
713 (output_lines): Use it.
715 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
717 * gimple.h (gimplify_body): Remove first argument.
718 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
719 pointer set here, instead just pass DATA to walk_tree.
720 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
721 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
722 (unvisit_body): Likewise, but with unmark_visited.
723 (gimplify_body): Remove BODY_P argument and adjust.
724 (gimplify_function_tree): Adjust call to gimplify_body.
725 * omp-low.c (finalize_task_copyfn): Likewise.
727 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
729 * tree.h (build_function_decl_skip_args): Add boolean parameter.
730 (build_function_type_skip_args): Delete.
731 * tree.c (build_function_type_skip_args): Make static and add
732 SKIP_RETURN parameter. Fix thinko in the handling of variants.
733 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
734 pass it to build_function_type_skip_args.
735 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
736 (tree_function_versioning): Likewise.
737 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
738 build_function_decl_skip_args.
739 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
740 and pass it to build_function_decl_skip_args/tree_function_versioning.
741 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
742 * ipa-inline-transform.c (save_inline_function_body): Likewise.
743 * trans-mem.c (ipa_tm_create_version): Likewise.
744 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
745 * tree-inline.c (declare_return_variable): Remove always-true test.
746 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
747 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
748 * ipa-split.c (split_function): Skip the return value for the split
749 part if it doesn't return.
751 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
753 PR tree-optimization/49642
754 * ipa-split.c (forbidden_dominators): New variable.
755 (check_forbidden_calls): New function.
756 (dominated_by_forbidden): Likewise.
757 (consider_split): Check for forbidden dominators.
758 (execute_split_functions): Initialize and free forbidden
759 dominators info; call check_forbidden_calls.
761 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
763 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
765 2012-01-11 Nick Clifton <nickc@redhat.com>
767 * config/rx/rx.md (return): Define pattern.
769 2012-01-11 Richard Guenther <rguenther@suse.de>
771 * doc/extend.texi (malloc attribute): Adjust according to
774 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
775 Patrick Marlier <patrick.marlier@gmail.com>
778 * trans-mem.c (get_cg_data): Traverse aliases if requested.
779 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
780 (ipa_tm_note_irrevocable): Same.
781 (ipa_tm_scan_irr_block): Same.
782 (ipa_tm_decrement_clone_counts): Same.
783 (ipa_tm_scan_irr_function): Same.
784 (ipa_tm_create_version_alias): Same.
785 (ipa_tm_create_version): Same.
786 (ipa_tm_transform_calls_redirect): Same.
787 (ipa_tm_transform_calls): Same.
788 (ipa_tm_transform_transaction): Same.
789 (ipa_tm_execute): Same.
791 2012-01-10 Richard Guenther <rguenther@suse.de>
794 * opts.c (common_handle_option): Handle -Werror.
796 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
798 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
801 2012-01-10 Jason Merrill <jason@redhat.com>
803 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
806 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
808 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
809 supports R_386_TLS_GD_PLT reloc.
810 (gcc_cv_as_ix86_tlsldmplt): Check if linker
811 supports R_386_TLS_LDM_PLT reloc.
812 * configure: Regenerate.
813 * config.in: Regenerate.
815 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
818 Extend __pgmx semantics to linearize memory.
819 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
820 determine if code comes inline or from libgcc.
821 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
822 (movmem_qi, movmem_qi): Set constraint #2 to "n".
823 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
824 (movmemx_qi, movmemx_hi): New insns.
825 (xload_<mode>_libgcc): Rewrite to new insn condition.
826 (xload_<mode>): Remove insns.
827 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
828 cases that don't satisfy avr_xload_libgcc_p().
829 (avr_addr_space_convert): Allow converting in any direction.
830 (avr_addr_space_subset_p): Return always true.
831 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
832 (avr_emit_movmemhi): Ditto.
833 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
834 (avr_out_movmem): Ditto.
835 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
836 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
837 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
838 (avr_encode_section_info): Encode 'progmem' in symbol flags.
839 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
841 2012-01-10 Richard Guenther <rguenther@suse.de>
843 PR tree-optimization/50913
844 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
845 Require data-refs to be representable by Graphite with respect
848 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
850 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
851 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
853 2012-01-10 Tom de Vries <tom@codesourcery.com>
855 PR rtl-optimization/51271
856 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
857 handling annulled branch.
859 2012-01-10 Richard Henderson <rth@redhat.com>
861 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
862 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
863 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
864 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
865 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
866 arm_expand_vec_perm_const): New.
867 * config/arm/arm-protos.h: Update.
868 * config/arm/neon.md (UNSPEC_VCONCAT): New.
869 (*neon_vswp<VDQX>): New.
870 (neon_vcombine<VDX>): Use neon_split_vcombine.
871 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
872 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
875 2012-01-10 Richard Henderson <rth@redhat.com>
877 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
878 use it if reload_completed.
879 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
880 arm_output_asm_insn, arm_process_output_memory_barrier,
881 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
882 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
883 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
884 arm_process_output_sync_insn, arm_output_sync_insn,
885 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
886 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
887 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
888 (emit_unlikely_jump): New.
889 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
890 (arm_split_atomic_op): New.
891 * config/arm/arm-protos.h: Update.
892 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
893 (struct arm_sync_generator): Remove.
894 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
895 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
896 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
897 (VUNSPEC_LL, VUNSPEC_SC): New.
898 (sync_result, sync_memory, sync_required_value, sync_new_value,
899 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
900 (attr length): Don't use arm_sync_loop_insns.
901 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
902 (movsfcc, movdfcc): Likewise.
903 * config/arm/constraints.md (Ua): New.
904 * config/arm/prediates.md (mem_noofs_operand): New.
905 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
906 (sync_clobber, sync_t2_reqd): Remove.
907 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
908 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
909 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
910 (arm_sync_compare_and_swap<SIDI>): Remove.
911 (arm_sync_compare_and_swap<NARROW>): Remove.
912 (arm_sync_lock_test_and_set<SIDI>): Remove.
913 (arm_sync_lock_test_and_set<NARROW>): Remove.
914 (arm_sync_new_<syncop><SIDI>): Remove.
915 (arm_sync_new_<syncop><NARROW>): Remove.
916 (arm_sync_new_nand<SIDI>): Remove.
917 (arm_sync_new_nand<NARROW>): Remove.
918 (arm_sync_old_<syncop><SIDI>): Remove.
919 (arm_sync_old_<syncop><NARROW>): Remove.
920 (arm_sync_old_nand<SIDI>): Remove.
921 (arm_sync_old_nand<NARROW>): Remove.
922 (*memory_barrier): Merge arm_output_memory_barrier.
923 (atomic_compare_and_swap<QHSD>): New.
924 (atomic_compare_and_swap<NARROW>_1): New.
925 (atomic_compare_and_swap<SIDI>_1): New.
926 (atomic_exchange<QHSD>): New.
927 (cas_cmp_operand, cas_cmp_str): New.
928 (atomic_op_operand, atomic_op_str): New.
929 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
930 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
931 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
932 (arm_load_exclusive<NARROW>): New.
933 (arm_load_exclusivesi, arm_load_exclusivedi): New.
934 (arm_store_exclusive<QHSD>): New.
936 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
938 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
939 reload patterns if -mvsx-scalar-memory.
941 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
942 generated, even -mno-vsx-scalar-double was used.
943 (vsx_xscvdpsp_scalar): Likewise.
944 (vsx_xscvspdp_scalar2): Likewise.
946 2012-01-09 Tom de Vries <tom@codesourcery.com>
947 Andrew Pinski <apinski@cavium.com>
950 * reorg.c (fill_slots_from_thread): Don't speculate
953 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
955 * sched-int.h (bb_note): Move to...
956 * basic-block.h: ...here.
957 * haifa-sched.c (bb_note): Move to...
959 * function.c (next_block_for_reg): New function.
960 (move_insn_for_shrink_wrap): Likewise.
961 (prepare_shrink_wrap): Rewrite to use the above.
963 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
965 * gimple.c (is_gimple_non_addressable): Remove.
966 * gimple.h: Remove is_gimple_non_addressable.
967 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
968 is_gimple_non_addressable.
969 * trans-mem.c (expand_assign_tm): Same.
971 2012-01-09 Richard Guenther <rguenther@suse.de>
973 PR tree-optimization/51775
974 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
975 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
977 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
979 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
981 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
983 2012-01-09 Richard Guenther <rguenther@suse.de>
985 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
987 2012-01-08 Jan Hubicka <jh@suse.cz>
989 PR tree-optimize/51680
990 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
991 on when known_vals needs to be computed; cleanup.
993 2012-01-08 Jan Hubicka <jh@suse.cz>
995 PR tree-optimize/51694
996 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
998 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1000 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1001 for -std=c++98 and -std=c++11 too.
1003 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1005 * cfgloop.c (cancel_loop): Add free() of bbs array.
1007 2012-01-07 Jan Hubicka <jh@suse.cz>
1009 PR tree-optimization/51600
1010 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1011 that benefits small functions.
1013 2012-01-07 Jan Hubicka <jh@suse.cz>
1015 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1017 2012-01-07 Jan Hubicka <jh@suse.cz>
1019 PR tree-optimization/51680
1020 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1021 whose inlining reduce unit size.
1023 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1026 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1027 Add canonical node to containing_mem chain after the non-canonical
1028 one, even if there weren't any locs to propagate.
1029 (remove_useless_values): Keep only canonical values.
1030 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1031 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1032 canonicalize mem_chain elements that are not discarded.
1034 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1037 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1038 before emitting functions.
1040 PR gcov-profile/50127
1041 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1042 clear_aux_for_blocks.
1044 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1047 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1049 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1051 * c-decl.c (ext_block): Moved up.
1052 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1054 2012-01-06 Han Shen <shenhan@google.com>
1056 Translate built-in include paths for sysroot.
1057 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1058 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1060 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1061 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1063 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1064 control whether sysroot should be prepended to gxx include dir.
1066 * configure: Regenerate.
1068 2012-01-06 Torvald Riegel <triegel@redhat.com>
1070 PR rtl-optimization/51771
1071 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1072 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1074 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1076 PR tree-optimization/51315
1077 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1078 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1080 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1083 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1084 for shrp pattern. Correctly handle and fixup shift variable.
1085 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1087 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1090 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1091 note when !ACCUMULATE_OUTGOING_ARGS.
1093 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1095 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1097 (extract_range_from_unary_expr_1): Avoid useless computations.
1099 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1101 PR rtl-optimization/51767
1102 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1103 of jump_block and add an extra edge for degenerated asm gotos.
1106 * stmt.c (check_unique_operand_names): Don't ICE during error
1107 reporting if i is from labels chain.
1110 * profile.c (branch_prob): Split bbs that have exit edge
1111 and need a fake entry edge too.
1113 2012-01-05 Jan Hubicka <jh@suse.cz>
1116 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1119 2012-01-05 Richard Guenther <rguenther@suse.de>
1122 * tree-streamer-out.c (write_ts_optimization): New function.
1123 (streamer_write_tree_body): Call it.
1124 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1125 (streamer_read_tree_body): Call it.
1126 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1128 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1131 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1132 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1133 in_cleanup_point_expr before gimplify_stmt call and restore it
1135 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1136 in_cleanup_point_expr is false.
1138 2012-01-05 Richard Guenther <rguenther@suse.de>
1141 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1143 * toplev.c (process_options): Reject combining mudflap and LTO.
1144 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1146 2012-01-05 Richard Guenther <rguenther@suse.de>
1148 PR tree-optimization/51760
1149 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1151 (bit_value_unop): Handle UNDEFINED operands.
1152 (bit_value_binop): Likewise.
1154 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1156 * config/avr/avr.c (avr_replace_prefix): Remove.
1157 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1158 (avr_asm_function_rodata_section): Ditto.
1159 (avr_asm_select_section): Ditto.
1161 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1163 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1166 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1169 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1170 calls that have any non-fake successor edges.
1173 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1175 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1177 PR tree-optimization/51624
1178 * tree-sra.c (build_ref_for_model): When replicating a chain of
1179 COMPONENT_REFs, stop as soon as the offset would become negative.
1181 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1184 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1185 in .debug_loc on the floor.
1187 2012-01-04 Andrew Pinski <apinski@cavium.com>
1189 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1191 2012-01-04 Andrew Pinski <apinski@cavium.com>
1192 Adam Nemet <anemet@caviumnetworks.com>
1194 * config/mips/mips.md (size): Add SI and DI.
1195 (SIZE): New mode attribute.
1196 (U): New code attribute.
1197 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1198 (mips_lbux_<mode>): Delete.
1199 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1200 (mips_lhx): Use gen_mips_lhx_extsi.
1201 (mips_lhx_<mode>): Delete.
1203 (mips_l<size>x): New expand.
1204 (mips_lwx_<mode>): Delete.
1205 (mips_l<GPR:size>x_<P:mode>): New pattern.
1206 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1207 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1208 * config/mips/mips.c (mips_lx_address_p): New function.
1209 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1210 (dsp64): New availability predicate.
1211 (mips_builtins): Add an entry for __builtin_mips_ldx.
1212 * config/mips/mips.h (ISA_HAS_LBX): New define.
1213 (ISA_HAS_LBUX): Likewise.
1214 (ISA_HAS_LHX): Likewise.
1215 (ISA_HAS_LHUX): Likewise.
1216 (ISA_HAS_LWX): Likewise.
1217 (ISA_HAS_LWUX): Likewise.
1218 (ISA_HAS_LDX): Likewise.
1219 * doc/extend.texi (__builtin_mips_ldx): Document.
1221 2012-01-04 Tristan Gingold <gingold@adacore.com>
1223 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1224 when long pointers are used.
1225 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1226 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1227 (ia64-hp-*vms*): Remove.
1228 * config/vms/xm-vms64.h: Delete.
1230 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1233 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1235 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1237 * opts.c (finish_options): Remove duplicate sorry.
1239 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1242 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1245 2012-01-04 Richard Guenther <rguenther@suse.de>
1248 * tree.c (size_low_cst): New function.
1249 * tree.h (size_low_cst): Declare.
1250 * fold-const.c (fold_comparison): Use it to extract the low
1251 part of the POINTER_PLUS_EXPR offset.
1253 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1255 Fix clearing ZERO_REG
1256 * config/avr/avr.md (cc): Add alternative "ldi".
1257 (movqi_insn): Use it in cc attribute.
1258 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1259 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1260 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1262 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1264 * configure: Regenerate.
1266 2012-01-04 Richard Guenther <rguenther@suse.de>
1268 PR tree-optimization/49651
1269 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1270 (var_can_have_subvars): Use it.
1271 (get_constraint_for_1): Only consider subfields if there can be any.
1273 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1276 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1277 to its new canonical_cselib_val and the cselib_val was in
1278 first_containing_mem chain, but the canonical_cselib_val was not,
1279 add the latter into the chain.
1280 (cselib_invalidate_mem): Compare canonical_cselib_val of
1281 addr_list chain elt with v.
1284 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1285 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1287 (output_macinfo_op): Don't ggc_strdup fd->filename.
1288 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1289 then ggc_strdup it. Don't free inc->info or cur->info.
1290 (output_macinfo): Don't free ref->info or file->info.
1292 2012-01-03 Ira Rosen <irar@il.ibm.com>
1294 PR tree-optimization/51269
1295 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1296 first_niters a pointer.
1297 (slpeel_tree_peel_loop_to_edge): Likewise.
1298 (vect_do_peeling_for_loop_bound): Update call to
1299 slpeel_tree_peel_loop_to_edge.
1300 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1301 here. Remove it from the parameters list.
1302 (vect_do_peeling_for_alignment): Update calls and compute
1305 2012-01-03 Richard Guenther <rguenther@suse.de>
1307 PR tree-optimization/51070
1308 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1309 Properly handle calls.
1311 2012-01-03 Richard Guenther <rguenther@suse.de>
1313 PR tree-optimization/51692
1314 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1315 the LHS of allocation stmts.
1317 2012-01-03 Olivier Hainque <hainque@adacore.com>
1319 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1321 2012-01-03 Olivier Hainque <hainque@adacore.com>
1323 * collect2.c (main): In AIX specific computations for vector
1324 insertions, use CONST_CAST2 to cast from char ** to const char **.
1326 2012-01-03 Richard Guenther <rguenther@suse.de>
1329 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1330 the context of a limbo DIE when it does not already exist.
1332 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1334 PR tree-optimization/51719
1335 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1336 but direct call is, clear direct call's lhs and don't add fallthrough
1337 edge from dcall_bb to join_bb and PHIs.
1339 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1341 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1342 the instructions emitted by the pattern.
1343 ("*TDC_insn_<mode>"): Add comment.
1345 2012-01-03 Richard Guenther <rguenther@suse.de>
1348 * fold-const.c (fold_comparison): Properly canonicalize
1349 tree offset and HOST_WIDE_INT bit position.
1351 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
1353 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1354 operands for extzv pattern.
1356 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1359 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1362 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1364 * doc/invoke.texi (-flto and related options): Copy-edit.
1366 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1368 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1370 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1372 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1375 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1377 * expr.h (move_by_pieces_ninsns): Declare.
1378 * expr.c (move_by_pieces_ninsns): Make external.
1379 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1380 (mips_store_by_pieces_p): Likewise.
1381 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1382 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1383 * config/mips/mips.c (mips_move_by_pieces_p): New function.
1384 (mips_store_by_pieces_p): Likewise.
1386 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1388 * passes.c (register_one_dump_file): Free full_name.
1390 * reload1.c (reload): Don't allocate reg_max_ref_width here.
1391 (calculate_elim_costs_all_insns): Free offsets_at and
1392 offsets_known_at at the end and clear the pointers.
1394 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1396 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1397 this option introduced in r180739.
1399 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1402 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1403 (tmake_file target=avr): Add avr/t-multilib.
1405 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1406 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1407 * config/avr/genmultilib.awk: New file.
1408 * config/avr/t-multilib: New auto-generated file.
1409 * config/avr/multilib.h: New auto-generated file.
1410 * config/avr/t-avr (AVR_MCUS): New variable.
1411 (genopt.sh): Use it.
1412 (s-mlib): Depend on t-multilib.
1413 (t-multilib, multilib.h): New dependencies.
1414 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1415 (MULTILIB_OPTIONS): Remove.
1416 (MULTILIB_MATCHES): Remove.
1417 (MULTILIB_DIRNAMES): Remove.
1418 (MULTILIB_EXCEPTIONS): Remove:
1419 * config/avr/genopt.sh: Don't use hard coded file name;
1420 pass AVR_MCUS from t-avr instead.
1422 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1424 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1426 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1428 Implement light-weight DImode support.
1429 * config/avr/avr-dimode.md: New file.
1430 * config/avr/avr.md: Include it.
1431 (adjust_len): Add plus64, compare64.
1432 (HIDI): Remove code iterator.
1433 (code_stdname): New code attribute.
1434 (rotx, rotsmode): Remove DI.
1435 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1437 * config/avr/avr-protos.h (avr_have_dimode): New.
1438 (avr_out_plus64, avr_out_compare64): New.
1439 * config/avr/avr.c (avr_out_compare): Handle DImode.
1440 (avr_have_dimode): New variable definition and initialization.
1441 (avr_out_compare64, avr_out_plus64): New functions.
1442 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1443 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1444 (avr_compare_pattern): Skip DImode comparisons.
1446 2012-01-02 Revital Eres <revital.eres@linaro.org>
1448 * ddg.c (def_has_ccmode_p): New function.
1449 (add_cross_iteration_register_deps,
1450 create_ddg_dep_from_intra_loop_link): Call it.
1452 2012-01-02 Richard Guenther <rguenther@suse.de>
1455 * invoke.texi (fassociative-math): Remove spurious paranthesis.
1457 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1459 * gcc.c (process_command): Update copyright notice dates.
1460 * gcov.c (print_version): Likewise.
1461 * gcov-dump.c (print_version): Likewise.
1462 * mips-tfile.c (main): Likewise.
1463 * mips-tdump.c (main): Likewise.
1465 2012-01-01 Ira Rosen <irar@il.ibm.com>
1467 PR tree-optimization/51704
1468 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1469 a use is inside the basic block or loop before accessing its vect info.
1471 2012-01-01 Jan Hubicka <jhjh@suse.cz>
1473 PR rtl-optimization/51069
1474 * cfgloopmanip.c (remove_path): Removing path making irreducible
1475 region unconditional makes BB part of the region.
1477 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1479 PR tree-optimization/51683
1480 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1481 calls with side-effects.
1482 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1484 Copyright (C) 2012 Free Software Foundation, Inc.
1486 Copying and distribution of this file, with or without modification,
1487 are permitted in any medium without royalty provided the copyright
1488 notice and this notice are preserved.