1 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
3 * config/s390/s390.h: Make BRANCH_COST an option.
4 * config/s390/s390.opt: New option -mbranch-cost.
6 2012-01-26 Richard Henderson <rth@redhat.com>
8 Revert 2012-01-24 change:
9 * trans-mem.c (requires_barrier): Do not instrument thread local
10 variables and emit save/restore for them.
12 2012-01-25 Jakub Jelinek <jakub@redhat.com>
15 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
18 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
20 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
23 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
26 Rename __pgm to __flash.
27 Rename __pgm1 to __flash1.
28 Rename __pgm2 to __flash2.
29 Rename __pgm3 to __flash3.
30 Rename __pgm4 to __flash4.
31 Rename __pgm5 to __flash5.
32 Rename __pgmx to __memx.
33 * doc/extend.texi (AVR Named Address Spaces)
34 Rename address space names as indicated above.
35 * config/avr/avr.c (avr_addrspace): Ditto.
37 * config/avr/avr-protos.h
38 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
39 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
40 * config/avr/predicates.md: Ditto.
41 * config/avr/avr.c Ditto, and
42 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
43 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
45 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
46 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
47 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
48 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
49 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
50 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
51 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
52 * config/avr/avr.c: Ditto.
53 * config/avr/avr.md: Ditto.
55 2012-01-25 Jason Merrill <jason@redhat.com>
58 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
60 2012-01-25 Jakub Jelinek <jakub@redhat.com>
62 PR tree-optimization/51987
63 * tree-data-ref.c (get_references_in_stmt): Handle references in
64 non-volatile GIMPLE_ASM.
66 2012-01-25 Richard Guenther <rguenther@suse.de>
68 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
69 bases are dereferenced.
71 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
73 PR rtl-optimization/48374
74 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
76 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
78 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
79 compute_data_dependences_for_loop returns false.
80 * tree-parloops.c (loop_parallel_p): Likewise.
82 2012-01-25 Richard Guenther <rguenther@suse.de>
84 * tree.h (get_pointer_alignment_1): Declare.
85 * builtins.c (get_pointer_alignment_1): New function.
86 (get_pointer_alignment): Use it.
88 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
90 PR rtl-optimization/48308
91 * combine.c (enum undo_kind): Add UNDO_LINKS.
92 (struct undo): Add member l to other_contents and where.
95 (try_combine): Handle LOG_LINKS for the dummy i1 case.
96 (undo_all): Handle UNDO_LINKS.
98 2012-01-25 Richard Henderson <rth@redhat.com>
100 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
103 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
105 * optabs.c (gen_atomic_test_and_set): Use each argument.
107 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
109 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
110 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
111 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
112 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
113 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
114 TARGET_PAIRED_SINGLE_FLOAT.
116 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
118 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
119 (in_struct, return_val): Remove MEM documentation.
120 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
121 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
122 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
124 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
125 * cfgexpand.c (add_alias_set_conflicts): Likewise.
126 * expr.c (store_field): Likewise.
127 * function.c (assign_stack_temp_for_type): Likewise.
128 * ifcvt.c (noce_try_cmove_arith): Likewise.
129 * reload1.c (reload): Likewise.
130 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
131 (alpha_set_memflags): Likewise.
132 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
134 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
136 * rtl.h (true_dependence, canon_true_dependence): Remove varies
138 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
139 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
140 (true_dependence_1, true_dependence, canon_true_dependence): Remove
142 * cselib.c (cselib_rtx_varies_p): Delete.
143 (cselib_invalidate_mem): Update call to canon_true_dependence.
144 * dse.c (record_store, check_mem_read_rtx): Likewise.
145 (scan_reads_nospill): Likewise.
146 * cse.c (check_dependence): Likewise.
147 (cse_rtx_varies_p): Delete.
148 * expr.c (safe_from_p): Update call to true_dependence.
149 * ira.c (validate_equiv_mem_from_store): Likewise.
150 (memref_referenced_p): Likewise.
151 * postreload-gcse.c (find_mem_conflicts): Likewise.
152 * sched-deps.c (sched_analyze_2): Likewise.
153 * store-motion.c (load_kills_store): Likewise.
154 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
155 * gcse.c (mems_conflict_for_gcse_p): Likewise.
156 (compute_transp): Update call to canon_true_dependence.
158 2012-01-25 Richard Henderson <rth@redhat.com>
160 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
161 (maybe_emit_atomic_test_and_set): New.
162 (expand_sync_lock_test_and_set): Use it.
163 (expand_atomic_test_and_set): Likewise.
164 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
165 the implementation; clarify implementation defined details.
166 * doc/md.texi (atomic_test_and_set): Document.
168 2012-01-25 Richard Henderson <rth@redhat.com>
170 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
172 2012-01-25 Richard Henderson <rth@redhat.com>
175 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
176 to effect no-op split.
178 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
181 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
182 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
183 (BT_FN_VOID_PTR_INT_SIZE): New.
184 (BT_FN_UINT_UINT_VAR): Remove.
185 (BT_FN_UINT32_UINT32_VAR): New.
186 (BT_FN_DOUBLE_VPTR): Remove.
187 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
189 * gtm-builtins.def (_ITM_abortTransaction): Set return type to
191 (_ITM_changeTransactionMode): Same.
192 (_ITM_memmoveRtWt): Change return type to void.
193 (_ITM_memcpyRtWt): Same.
194 (_ITM_memsetW): Same.
195 (_ITM_RaRD): Change types to double.
200 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
202 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
203 Patrick Marlier <patrick.marlier@gmail.com>
205 * trans-mem.c (requires_barrier): Do not instrument thread local
206 variables and emit save/restore for them.
208 2012-01-24 Jason Merrill <jason@redhat.com>
211 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
212 output static aliases.
214 2012-01-24 Jakub Jelinek <jakub@redhat.com>
217 * common.opt (-pie, -shared, pie, shared): Change from Common to
219 * gcc.c (display_help): Display help for -pie and -shared.
221 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
224 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
225 Remove note on size/offset limitation.
226 (AVR Variable Attributes): Add example how to read data located
227 with progmem. Refer to named address spaces.
228 * doc/invoke.texi (AVR Options): Fix typo.
230 2012-01-24 Richard Guenther <rguenther@suse.de>
232 Forward-port to trunk
233 2010-09-21 Jakub Jelinek <jakub@redhat.com>
236 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
237 op0 isn't sufficiently aligned and there is movmisalignM
238 insn for mode, use it to load op0 into a temporary register.
240 2012-01-24 Jakub Jelinek <jakub@redhat.com>
243 * target.def (const_not_ok_for_debug_p): New hook.
244 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
246 * doc/tm.texi: Regenerated.
247 * dwarf2out.c (const_ok_for_output_1): If
248 targetm.const_not_ok_for_debug_p returns true, fail.
249 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
251 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
253 2012-01-23 Kai Tietz <ktietz@redhat.com>
256 * config/i386/predicates.md (symbolic_operand): Allow
257 UNSPEC_PCREL as PIC expression for lea.
258 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
259 * config/i386/i386.c (ix86_delegitimize_address): Handle
260 UNSPEC_PCREL for none-MEM, too.
262 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
264 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
265 (ipa_tm_create_version_alias): Same.
267 2012-01-18 Uros Bizjak <ubizjak@gmail.com>
270 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
271 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
273 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
274 Patrick Marlier <patrick.marlier@gmail.com>
275 Iain Sandoe <developer@sandoe-acoustics.co.uk>
278 * lto-wrapper.c (run_gcc): Pass the LTO section name to
279 simple_object_start_read.
281 2012-01-23 Richard Guenther <rguenther@suse.de>
284 PR tree-optimization/51895
285 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
286 parameter decomposition into BLKmode components.
288 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
290 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
291 fake variables for restrict-qualified pointers whose pointed-to type
292 contains a placeholder.
294 2012-01-23 Richard Guenther <rguenther@suse.de>
296 PR tree-optimization/51949
297 * ipa-split.c (execute_split_functions): Do not split malloc functions.
299 2012-01-23 Jakub Jelinek <jakub@redhat.com>
301 PR rtl-optimization/51933
302 * ree.c (transform_ifelse): Return true right away if dstreg is
303 already wider or equal to cand->mode.
304 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
305 (make_defs_and_copies_lists): Remove defs_list and copies_list
306 arguments, add state argument, just truncate state->work_list
307 instead of always allocating and freeing the vector. Assert that
308 get_defs succeeds instead of returning 2. Changed return type to bool.
309 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
310 have ext_src_mode, see if it has been modified already with the
311 right kind of extension and has been extended before from the
312 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
313 just return true. Remember the original mode in state->modified array.
314 (combine_reaching_defs): Add state argument. Don't allocate and
315 free here def_list, copied_list and vec vectors, instead just
316 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
317 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
318 Add state variable, clear vectors in it, initialize state.modified
319 if needed. Free all the vectors at the end and state.modified too.
320 Don't skip a candidate if the extension expression has been modified.
322 2012-01-22 Douglas B Rupp <rupp@gnat.com>
325 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
326 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
327 (extra_options) interix.opt -> i386/interix.opt"
328 (extra_objs):Add winnt-stubs.o
329 * configure.ac: Add interix to target_os .comm on PE check.
330 * configure: Regenerate.
331 * config/interix3.h: Delete and move bits to..
332 * config/interix.h: Delete and move bits to..
333 * config/i386/i386-interix3.h: Delete and move bits to..
334 * config/i386/i386-interix.h: ..here.
335 (TARGET_CPU_DEFAULT): Remove redefinition.
336 (TARGET_ASM_CONSTRUCTOR): Undefine.
337 (SUBTARGET_SWITCHES): Define for ms-bitfields.
338 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
339 (PTRDIFF_TYPE): Define.
340 (LONG_DOUBLE_TYPE_SIZE): Define.
341 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
342 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
343 (TARGET_SECTION_TYPE_FLAGS): Define.
344 (ASM_DECLARE_FUNCTION_NAME): Define.
345 (ASM_OUTPUT_EXTERNAL): Define.
346 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
347 (ASM_OUTPUT_ALIGNED_BSS): Define.
348 (PCC_BITFIELD_TYPE_MATTERS): Define.
349 (USE_CONST_SECTION): Define.
350 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
351 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
352 (SUPPORTS_ONE_ONLY): Remove.
353 (I386_PE_STRIP_ENCODING): Define.
354 * config/interix.opt: Delete and move bits to..
355 * config/i386/interix.opt: ..here. New.
356 (mpe-aligned-commons): Add.
357 * config/i386/t-interix: Add copyright header.
358 (winnt-stubs.o): Add rule.
360 2012-01-22 Jason Merrill <jason@redhat.com>
363 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
364 for extra name aliases.
366 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
368 PR rtl-optimization/51924
369 * ree.c (combine_set_extension): Improve debugging message.
370 (combine_reaching_defs): Likewise.
371 (get_defs): Rename confusingly named variable.
372 (find_and_remove_re): Skip a candidate if the extension expression has
375 2012-01-21 Robert Millan <rmh@gnu.org>
376 Gerald Pfeifer <gerald@pfeifer.com>
378 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
379 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
381 2012-01-20 Jakub Jelinek <jakub@redhat.com>
383 PR tree-optimization/51914
384 * tree-vect-stmts.c (vectorizable_conversion): For
385 cvt_type && modifier == WIDEN, put temporary with cvt_type
386 at the beginning of vec_dsts and set vec_dest to temporary
389 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
391 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
393 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
395 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
396 * config/rs6000/rs6000.c: Likewise.
398 2012-01-20 Jakub Jelinek <jakub@redhat.com>
401 * config/arm/arm.c (arm_count_output_move_double_insns): Call
402 output_move_double on a copy of operands array.
404 2012-01-20 Cary Coutant <ccoutant@google.com>
405 Dodji Seketeli <dodji@redhat.com>
408 * dwarf2out.c (copy_declaration_context): Return ref to parent
409 of declaration DIE, if necessary.
410 (remove_child_or_replace_with_skeleton): Add new parameter; update
411 caller. Place skeleton DIE under parent DIE of original declaration.
412 Move call to copy_declaration_context to here ...
413 (break_out_comdat_types): ... from here.
415 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
417 PR rtl-optimization/51856
418 * reload.c (find_reloads_subreg_address): Set the address_reloaded
421 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
424 * config/arm/arm.c (arm_print_operand): Correct output of alignment
425 hints for neon loads and stores.
427 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
431 * doc/extend.texi (Named Address Spaces): Split into subsections.
432 (AVR Named Address Spaces): New subsection.
433 (M32C Named Address Spaces): New subsection.
434 (RL78 Named Address Spaces): New subsection.
435 (SPU Named Address Spaces): New subsection.
436 (Variable Attributes): New anchor "AVR Variable Attributes".
437 (AVR Variable Attributes): Rewrite and avoid wording
438 "address space" in this context.
439 * doc/invoke.texi (AVR Options): Rewrite and add documentation
440 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
441 (AVR Built-in Macros): New subsubsection therein.
442 * doc/md.texi (AVR constraints): Remove "C04", "R".
444 2012-01-20 Richard Guenther <rguenther@suse.de>
446 PR tree-optimization/51903
447 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
450 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
453 * config/arm/arm.c (arm_load_pic_register): Use
454 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
455 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
456 (arm_pic_static_addr): Likewise.
457 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
458 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
459 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
460 (pic_load_addr_unified): New.
462 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
465 * function.c (instantiate_virtual_regs_in_insn): Use
466 delete_insn_and_edges when removing a wrong asm insn.
468 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
470 PR rtl-optimization/40761
471 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
472 Add new member loop_num.
473 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
474 (ira_build): Remove the parameter.
476 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
477 (ira.c): Do not build CFG loops for one region allocation. Remove
478 argument from ira_build call.
480 * ira-build.c (init_loop_tree_node): New function.
481 (create_loop_tree_nodes): Use it. Separate the case when CFG
483 (more_one_region_p): Check current_loops.
484 (finish_loop_tree_nodes): Separate the case when CFG loops are not
486 (add_loop_to_tree): Process loop equal to NULL too.
487 (form_loop_tree): Separate the case when CFG loops are not built.
488 Use explicitly number for the root.
489 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
491 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
492 instead of loop->num.
493 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
494 (mark_all_loops_for_removal): Ditto.
495 (remove_unnecessary_regions): Separate the case when CFG loops
497 (ira_build): Remove the parameter. Use explicit number of regions
498 when CFG loops are not built.
500 * ira-color.c (print_loop_title): Separate the case for the root node.
501 Use loop_num instead of loop->num.
502 (move_spill_restore): Use loop_num instead of loop->num.
504 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
505 (change_loop): Ditto.
506 (change_loop): Use loop_num instead of loop->num.
508 * ira-lives.c (process_bb_node_lives): Ditto.
510 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
512 * ira-conflicts.c (print_allocno_conflicts): Ditto.
514 2012-01-19 Jakub Jelinek <jakub@redhat.com>
517 * tree-mudflap.c (mf_artificial): New function.
518 (execute_mudflap_function_ops, execute_mudflap_function_decls,
519 mx_register_decls, mudflap_enqueue_decl): Use it.
522 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
523 numbers in the insn pattern.
525 2012-01-19 Michael Matz <matz@suse.de>
527 PR tree-optimization/46590
528 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
529 use it in remembering which conflicts we already created.
530 (add_scope_conflicts): Adjust call to above, (de)allocate helper
533 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
536 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
537 (merge_and_complain): Same.
539 2012-01-19 Jakub Jelinek <jakub@redhat.com>
542 * config/initfini-array.h: Guard content of the header
543 with #ifdef HAVE_INITFINI_ARRAY.
544 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
545 Add initfini-array.h to tm_file here.
546 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
547 * config.gcc: Don't add initfini-array.h to tm_file here.
548 * configure: Regenerated.
550 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
552 PR rtl-optimization/51505
553 * df-problems.c (df_kill_notes): New parameter live. Update comment.
554 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
555 (df_note_bb_compute): Update the call to df_kill_notes.
557 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
559 * trans-mem.c (requires_barrier): Remove call to is_global_var.
561 2012-01-18 Richard Guenther <rguenther@suse.de>
563 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
564 of conversions to void *.
566 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
567 Richard Sandiford <rdsandiford@googlemail.com>
571 * optabs.h (simplify_expand_binop): Declare.
572 * optabs.c (simplify_expand_binop): Make global.
573 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
574 endian targets if the source cannot be exactly covered by word
577 2012-01-17 Jakub Jelinek <jakub@redhat.com>
580 * hard-reg-set.h (struct hard_reg_set_container): New type.
581 * target.h (struct hard_reg_set_container): Forward declare.
582 * target.def (set_up_by_prologue): New target hook.
583 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
584 * doc/tm.texi: Regenerated.
585 * function.c (thread_prologue_and_epilogue_insns): Change
586 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
587 Call targetm.set_up_by_prologue on it.
588 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
589 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
591 2012-01-17 Nick Clifton <nickc@redhat.com>
593 * config/rx/rx.c (rx_can_use_simple_return): New function.
594 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
595 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
597 2012-01-17 Richard Guenther <rguenther@suse.de>
600 * expr.c (expand_assignment): Take address-space information
601 from the address operand of MEM_REF and TARGET_MEM_REF.
602 (expand_expr_real_1): Likewise.
604 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
606 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
607 reload dump is requested.
609 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
612 * trans-mem.c (requires_barrier): Call may_be_aliased.
614 2012-01-17 Jakub Jelinek <jakub@redhat.com>
616 PR tree-optimization/51877
617 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
618 call arguments and fndecls compare equal, instead return false if they
619 don't. Return true only if lhs1 and lhs2 are either both NULL, or
620 both SSA_NAMEs that are valueized the same, or they satisfy
623 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
625 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
627 * configure: Regenerate.
629 2012-01-16 Jan Hubicka <jh@suse.cz>
633 * convert.c (convert_to_integer): Use fold_convert for
634 converting an INTEGER_CST to integer type.
636 2012-01-16 Jason Merrill <jason@redhat.com>
639 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
641 2012-01-16 Jakub Jelinek <jakub@redhat.com>
644 * config/s390/s390.c (s390_chunkify_start): Don't skip
645 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
646 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
647 If insn is followed by NOTE_INSN_VAR_LOCATION or
648 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
649 Don't use location of note insns.
651 PR tree-optimization/51865
652 * tree-inline.c (tree_function_versioning): Call remap_decl
653 on DECL_RESULT whenever it has VOID_TYPE_P type.
655 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
657 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
658 for calls to locally-binding MIPS16 functions if only the return
659 type uses float regs.
661 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
662 Richard Sandiford <rdsandiford@googlemail.com>
664 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
665 (SYMBOL_32_HIGH): Likewise.
666 (mips_output_tls_reloc_directive): Declare.
667 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
668 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
669 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
670 (mips_lo_relocs, mips_hi_relocs): Make extern.
671 (mips16_stub_function): Move up file.
672 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
673 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
674 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
675 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
676 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
677 (mips_get_tp): Add MIPS16 support.
678 (mips_legitimize_tls_address): Remove MIPS16 sorry().
679 Generalize DTPREL and TPREL handling.
680 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
681 Add MIPS16 TLS support.
682 (mips_output_tls_reloc_directive): New function.
683 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
684 * config/mips/predicates.md (symbolic_operand_with_high)
685 (tls_reloc_operand): New predicates.
686 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
687 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
688 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
689 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
690 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
691 (*tls_get_tp_mips16_call_<mode>): Likewise.
693 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
695 PR rtl-optimization/51821
696 * recog.c (peep2_find_free_register): Determine clobbered registers
699 2012-01-14 Denis Chertykov <chertykov@gmail.com>
702 * config/avr/avr-protos.h: Revert change of 2012-01-09.
703 * config/avr/avr.c: Likewise.
704 * config/avr/avr.h: Likewise.
706 2012-01-13 Ian Lance Taylor <iant@google.com>
709 * tree.h (TYPE_QUALS): Add cast to int.
710 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
712 2012-01-13 Ian Lance Taylor <iant@google.com>
714 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
715 comparing param_index to VEC_length result.
717 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
719 * c-decl.c: Do not include tree-mudflap.h
720 * tree-optimize.c: Likewise.
721 * Makefile.in: Update dependencies.
723 2012-01-13 Richard Guenther <rguenther@suse.de>
726 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
727 variable-sized result always use RSO.
729 2012-01-12 DJ Delorie <dj@redhat.com>
731 * cfgexpand.c (convert_debug_memory_address): Allow any valid
732 pointer type, not just the default pointer type.
734 2012-01-09 Richard Henderson <rth@redhat.com>
735 Denis Chertykov <chertykov@gmail.com>
738 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
739 * config/avr/avr.c (avr_can_eliminate): Simplify.
740 (avr_initial_elimination_offset): Likewise.
741 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
742 (expand_epilogue): Likewise.
743 (avr_legitimize_address): Gut.
744 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
745 (avr_hard_regno_nregs): New.
746 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
747 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
748 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
749 add soft frame pointer.
750 (CALL_USED_REGISTERS): Likewise.
751 (REG_CLASS_CONTENTS): Likewise.
752 (REGISTER_NAMES): Likewise.
753 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
754 (HARD_FRAME_POINTER_REGNUM): New.
755 (FRAME_POINTER_REGNUM): Use soft frame pointer.
756 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
757 remove the HARD_FRAME_POINTER self-elimination.
759 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
762 * config/avr/avr.c (avr_encode_section_info): Test for absence of
763 DECL_EXTERNAL when checking for initializers of progmem variables.
765 2012-01-12 Ira Rosen <irar@il.ibm.com>
767 PR tree-optimization/51799
768 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
769 that the last operation is a type demotion.
771 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
773 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
774 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
776 2012-01-11 Jakub Jelinek <jakub@redhat.com>
779 * combine.c (distribute_notes): If i3 is a noreturn call,
780 allow old_size to be equal to args_size and make sure the
781 noreturn call gets REG_ARGS_SIZE note.
782 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
783 on noreturn calls even when the delta is 0.
785 2012-01-11 Nathan Sidwell <nathan@acm.org>
787 * gcov.c (STRING_SIZE): Remove.
788 (generate_results): Erase annotations for source files with no
789 coverage information.
791 (output_lines): Use it.
793 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
795 * gimple.h (gimplify_body): Remove first argument.
796 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
797 pointer set here, instead just pass DATA to walk_tree.
798 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
799 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
800 (unvisit_body): Likewise, but with unmark_visited.
801 (gimplify_body): Remove BODY_P argument and adjust.
802 (gimplify_function_tree): Adjust call to gimplify_body.
803 * omp-low.c (finalize_task_copyfn): Likewise.
805 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
807 * tree.h (build_function_decl_skip_args): Add boolean parameter.
808 (build_function_type_skip_args): Delete.
809 * tree.c (build_function_type_skip_args): Make static and add
810 SKIP_RETURN parameter. Fix thinko in the handling of variants.
811 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
812 pass it to build_function_type_skip_args.
813 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
814 (tree_function_versioning): Likewise.
815 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
816 build_function_decl_skip_args.
817 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
818 and pass it to build_function_decl_skip_args/tree_function_versioning.
819 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
820 * ipa-inline-transform.c (save_inline_function_body): Likewise.
821 * trans-mem.c (ipa_tm_create_version): Likewise.
822 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
823 * tree-inline.c (declare_return_variable): Remove always-true test.
824 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
825 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
826 * ipa-split.c (split_function): Skip the return value for the split
827 part if it doesn't return.
829 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
831 PR tree-optimization/49642
832 * ipa-split.c (forbidden_dominators): New variable.
833 (check_forbidden_calls): New function.
834 (dominated_by_forbidden): Likewise.
835 (consider_split): Check for forbidden dominators.
836 (execute_split_functions): Initialize and free forbidden
837 dominators info; call check_forbidden_calls.
839 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
841 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
843 2012-01-11 Nick Clifton <nickc@redhat.com>
845 * config/rx/rx.md (return): Define pattern.
847 2012-01-11 Richard Guenther <rguenther@suse.de>
849 * doc/extend.texi (malloc attribute): Adjust according to
852 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
853 Patrick Marlier <patrick.marlier@gmail.com>
856 * trans-mem.c (get_cg_data): Traverse aliases if requested.
857 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
858 (ipa_tm_note_irrevocable): Same.
859 (ipa_tm_scan_irr_block): Same.
860 (ipa_tm_decrement_clone_counts): Same.
861 (ipa_tm_scan_irr_function): Same.
862 (ipa_tm_create_version_alias): Same.
863 (ipa_tm_create_version): Same.
864 (ipa_tm_transform_calls_redirect): Same.
865 (ipa_tm_transform_calls): Same.
866 (ipa_tm_transform_transaction): Same.
867 (ipa_tm_execute): Same.
869 2012-01-10 Richard Guenther <rguenther@suse.de>
872 * opts.c (common_handle_option): Handle -Werror.
874 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
876 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
879 2012-01-10 Jason Merrill <jason@redhat.com>
881 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
884 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
886 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
887 supports R_386_TLS_GD_PLT reloc.
888 (gcc_cv_as_ix86_tlsldmplt): Check if linker
889 supports R_386_TLS_LDM_PLT reloc.
890 * configure: Regenerate.
891 * config.in: Regenerate.
893 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
896 Extend __pgmx semantics to linearize memory.
897 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
898 determine if code comes inline or from libgcc.
899 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
900 (movmem_qi, movmem_qi): Set constraint #2 to "n".
901 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
902 (movmemx_qi, movmemx_hi): New insns.
903 (xload_<mode>_libgcc): Rewrite to new insn condition.
904 (xload_<mode>): Remove insns.
905 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
906 cases that don't satisfy avr_xload_libgcc_p().
907 (avr_addr_space_convert): Allow converting in any direction.
908 (avr_addr_space_subset_p): Return always true.
909 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
910 (avr_emit_movmemhi): Ditto.
911 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
912 (avr_out_movmem): Ditto.
913 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
914 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
915 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
916 (avr_encode_section_info): Encode 'progmem' in symbol flags.
917 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
919 2012-01-10 Richard Guenther <rguenther@suse.de>
921 PR tree-optimization/50913
922 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
923 Require data-refs to be representable by Graphite with respect
926 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
928 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
929 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
931 2012-01-10 Tom de Vries <tom@codesourcery.com>
933 PR rtl-optimization/51271
934 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
935 handling annulled branch.
937 2012-01-10 Richard Henderson <rth@redhat.com>
939 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
940 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
941 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
942 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
943 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
944 arm_expand_vec_perm_const): New.
945 * config/arm/arm-protos.h: Update.
946 * config/arm/neon.md (UNSPEC_VCONCAT): New.
947 (*neon_vswp<VDQX>): New.
948 (neon_vcombine<VDX>): Use neon_split_vcombine.
949 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
950 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
953 2012-01-10 Richard Henderson <rth@redhat.com>
955 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
956 use it if reload_completed.
957 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
958 arm_output_asm_insn, arm_process_output_memory_barrier,
959 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
960 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
961 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
962 arm_process_output_sync_insn, arm_output_sync_insn,
963 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
964 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
965 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
966 (emit_unlikely_jump): New.
967 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
968 (arm_split_atomic_op): New.
969 * config/arm/arm-protos.h: Update.
970 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
971 (struct arm_sync_generator): Remove.
972 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
973 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
974 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
975 (VUNSPEC_LL, VUNSPEC_SC): New.
976 (sync_result, sync_memory, sync_required_value, sync_new_value,
977 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
978 (attr length): Don't use arm_sync_loop_insns.
979 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
980 (movsfcc, movdfcc): Likewise.
981 * config/arm/constraints.md (Ua): New.
982 * config/arm/prediates.md (mem_noofs_operand): New.
983 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
984 (sync_clobber, sync_t2_reqd): Remove.
985 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
986 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
987 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
988 (arm_sync_compare_and_swap<SIDI>): Remove.
989 (arm_sync_compare_and_swap<NARROW>): Remove.
990 (arm_sync_lock_test_and_set<SIDI>): Remove.
991 (arm_sync_lock_test_and_set<NARROW>): Remove.
992 (arm_sync_new_<syncop><SIDI>): Remove.
993 (arm_sync_new_<syncop><NARROW>): Remove.
994 (arm_sync_new_nand<SIDI>): Remove.
995 (arm_sync_new_nand<NARROW>): Remove.
996 (arm_sync_old_<syncop><SIDI>): Remove.
997 (arm_sync_old_<syncop><NARROW>): Remove.
998 (arm_sync_old_nand<SIDI>): Remove.
999 (arm_sync_old_nand<NARROW>): Remove.
1000 (*memory_barrier): Merge arm_output_memory_barrier.
1001 (atomic_compare_and_swap<QHSD>): New.
1002 (atomic_compare_and_swap<NARROW>_1): New.
1003 (atomic_compare_and_swap<SIDI>_1): New.
1004 (atomic_exchange<QHSD>): New.
1005 (cas_cmp_operand, cas_cmp_str): New.
1006 (atomic_op_operand, atomic_op_str): New.
1007 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1008 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1009 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1010 (arm_load_exclusive<NARROW>): New.
1011 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1012 (arm_store_exclusive<QHSD>): New.
1014 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1016 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1017 reload patterns if -mvsx-scalar-memory.
1019 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1020 generated, even -mno-vsx-scalar-double was used.
1021 (vsx_xscvdpsp_scalar): Likewise.
1022 (vsx_xscvspdp_scalar2): Likewise.
1024 2012-01-09 Tom de Vries <tom@codesourcery.com>
1025 Andrew Pinski <apinski@cavium.com>
1028 * reorg.c (fill_slots_from_thread): Don't speculate
1029 frame-related insns.
1031 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1033 * sched-int.h (bb_note): Move to...
1034 * basic-block.h: ...here.
1035 * haifa-sched.c (bb_note): Move to...
1036 * cfgrtl.c: ...here.
1037 * function.c (next_block_for_reg): New function.
1038 (move_insn_for_shrink_wrap): Likewise.
1039 (prepare_shrink_wrap): Rewrite to use the above.
1041 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1043 * gimple.c (is_gimple_non_addressable): Remove.
1044 * gimple.h: Remove is_gimple_non_addressable.
1045 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1046 is_gimple_non_addressable.
1047 * trans-mem.c (expand_assign_tm): Same.
1049 2012-01-09 Richard Guenther <rguenther@suse.de>
1051 PR tree-optimization/51775
1052 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1053 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1055 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1057 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1059 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1061 2012-01-09 Richard Guenther <rguenther@suse.de>
1063 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1065 2012-01-08 Jan Hubicka <jh@suse.cz>
1067 PR tree-optimize/51680
1068 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1069 on when known_vals needs to be computed; cleanup.
1071 2012-01-08 Jan Hubicka <jh@suse.cz>
1073 PR tree-optimize/51694
1074 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1076 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1078 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1079 for -std=c++98 and -std=c++11 too.
1081 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1083 * cfgloop.c (cancel_loop): Add free() of bbs array.
1085 2012-01-07 Jan Hubicka <jh@suse.cz>
1087 PR tree-optimization/51600
1088 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1089 that benefits small functions.
1091 2012-01-07 Jan Hubicka <jh@suse.cz>
1093 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1095 2012-01-07 Jan Hubicka <jh@suse.cz>
1097 PR tree-optimization/51680
1098 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1099 whose inlining reduce unit size.
1101 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1104 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1105 Add canonical node to containing_mem chain after the non-canonical
1106 one, even if there weren't any locs to propagate.
1107 (remove_useless_values): Keep only canonical values.
1108 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1109 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1110 canonicalize mem_chain elements that are not discarded.
1112 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1115 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1116 before emitting functions.
1118 PR gcov-profile/50127
1119 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1120 clear_aux_for_blocks.
1122 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1125 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1127 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1129 * c-decl.c (ext_block): Moved up.
1130 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1132 2012-01-06 Han Shen <shenhan@google.com>
1134 Translate built-in include paths for sysroot.
1135 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1136 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1138 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1139 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1141 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1142 control whether sysroot should be prepended to gxx include dir.
1144 * configure: Regenerate.
1146 2012-01-06 Torvald Riegel <triegel@redhat.com>
1148 PR rtl-optimization/51771
1149 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1150 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1152 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1154 PR tree-optimization/51315
1155 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1156 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1158 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1161 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1162 for shrp pattern. Correctly handle and fixup shift variable.
1163 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1165 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1168 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1169 note when !ACCUMULATE_OUTGOING_ARGS.
1171 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1173 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1175 (extract_range_from_unary_expr_1): Avoid useless computations.
1177 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1179 PR rtl-optimization/51767
1180 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1181 of jump_block and add an extra edge for degenerated asm gotos.
1184 * stmt.c (check_unique_operand_names): Don't ICE during error
1185 reporting if i is from labels chain.
1188 * profile.c (branch_prob): Split bbs that have exit edge
1189 and need a fake entry edge too.
1191 2012-01-05 Jan Hubicka <jh@suse.cz>
1194 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1197 2012-01-05 Richard Guenther <rguenther@suse.de>
1200 * tree-streamer-out.c (write_ts_optimization): New function.
1201 (streamer_write_tree_body): Call it.
1202 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1203 (streamer_read_tree_body): Call it.
1204 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1206 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1209 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1210 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1211 in_cleanup_point_expr before gimplify_stmt call and restore it
1213 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1214 in_cleanup_point_expr is false.
1216 2012-01-05 Richard Guenther <rguenther@suse.de>
1219 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1221 * toplev.c (process_options): Reject combining mudflap and LTO.
1222 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1224 2012-01-05 Richard Guenther <rguenther@suse.de>
1226 PR tree-optimization/51760
1227 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1229 (bit_value_unop): Handle UNDEFINED operands.
1230 (bit_value_binop): Likewise.
1232 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1234 * config/avr/avr.c (avr_replace_prefix): Remove.
1235 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1236 (avr_asm_function_rodata_section): Ditto.
1237 (avr_asm_select_section): Ditto.
1239 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1241 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1244 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1247 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1248 calls that have any non-fake successor edges.
1251 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1253 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1255 PR tree-optimization/51624
1256 * tree-sra.c (build_ref_for_model): When replicating a chain of
1257 COMPONENT_REFs, stop as soon as the offset would become negative.
1259 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1262 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1263 in .debug_loc on the floor.
1265 2012-01-04 Andrew Pinski <apinski@cavium.com>
1267 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1269 2012-01-04 Andrew Pinski <apinski@cavium.com>
1270 Adam Nemet <anemet@caviumnetworks.com>
1272 * config/mips/mips.md (size): Add SI and DI.
1273 (SIZE): New mode attribute.
1274 (U): New code attribute.
1275 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1276 (mips_lbux_<mode>): Delete.
1277 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1278 (mips_lhx): Use gen_mips_lhx_extsi.
1279 (mips_lhx_<mode>): Delete.
1281 (mips_l<size>x): New expand.
1282 (mips_lwx_<mode>): Delete.
1283 (mips_l<GPR:size>x_<P:mode>): New pattern.
1284 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1285 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1286 * config/mips/mips.c (mips_lx_address_p): New function.
1287 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1288 (dsp64): New availability predicate.
1289 (mips_builtins): Add an entry for __builtin_mips_ldx.
1290 * config/mips/mips.h (ISA_HAS_LBX): New define.
1291 (ISA_HAS_LBUX): Likewise.
1292 (ISA_HAS_LHX): Likewise.
1293 (ISA_HAS_LHUX): Likewise.
1294 (ISA_HAS_LWX): Likewise.
1295 (ISA_HAS_LWUX): Likewise.
1296 (ISA_HAS_LDX): Likewise.
1297 * doc/extend.texi (__builtin_mips_ldx): Document.
1299 2012-01-04 Tristan Gingold <gingold@adacore.com>
1301 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1302 when long pointers are used.
1303 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1304 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1305 (ia64-hp-*vms*): Remove.
1306 * config/vms/xm-vms64.h: Delete.
1308 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1311 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1313 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1315 * opts.c (finish_options): Remove duplicate sorry.
1317 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1320 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1323 2012-01-04 Richard Guenther <rguenther@suse.de>
1326 * tree.c (size_low_cst): New function.
1327 * tree.h (size_low_cst): Declare.
1328 * fold-const.c (fold_comparison): Use it to extract the low
1329 part of the POINTER_PLUS_EXPR offset.
1331 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1333 Fix clearing ZERO_REG
1334 * config/avr/avr.md (cc): Add alternative "ldi".
1335 (movqi_insn): Use it in cc attribute.
1336 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1337 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1338 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1340 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1342 * configure: Regenerate.
1344 2012-01-04 Richard Guenther <rguenther@suse.de>
1346 PR tree-optimization/49651
1347 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1348 (var_can_have_subvars): Use it.
1349 (get_constraint_for_1): Only consider subfields if there can be any.
1351 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1354 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1355 to its new canonical_cselib_val and the cselib_val was in
1356 first_containing_mem chain, but the canonical_cselib_val was not,
1357 add the latter into the chain.
1358 (cselib_invalidate_mem): Compare canonical_cselib_val of
1359 addr_list chain elt with v.
1362 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1363 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1365 (output_macinfo_op): Don't ggc_strdup fd->filename.
1366 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1367 then ggc_strdup it. Don't free inc->info or cur->info.
1368 (output_macinfo): Don't free ref->info or file->info.
1370 2012-01-03 Ira Rosen <irar@il.ibm.com>
1372 PR tree-optimization/51269
1373 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1374 first_niters a pointer.
1375 (slpeel_tree_peel_loop_to_edge): Likewise.
1376 (vect_do_peeling_for_loop_bound): Update call to
1377 slpeel_tree_peel_loop_to_edge.
1378 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1379 here. Remove it from the parameters list.
1380 (vect_do_peeling_for_alignment): Update calls and compute
1383 2012-01-03 Richard Guenther <rguenther@suse.de>
1385 PR tree-optimization/51070
1386 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1387 Properly handle calls.
1389 2012-01-03 Richard Guenther <rguenther@suse.de>
1391 PR tree-optimization/51692
1392 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1393 the LHS of allocation stmts.
1395 2012-01-03 Olivier Hainque <hainque@adacore.com>
1397 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1399 2012-01-03 Olivier Hainque <hainque@adacore.com>
1401 * collect2.c (main): In AIX specific computations for vector
1402 insertions, use CONST_CAST2 to cast from char ** to const char **.
1404 2012-01-03 Richard Guenther <rguenther@suse.de>
1407 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1408 the context of a limbo DIE when it does not already exist.
1410 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1412 PR tree-optimization/51719
1413 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1414 but direct call is, clear direct call's lhs and don't add fallthrough
1415 edge from dcall_bb to join_bb and PHIs.
1417 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1419 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1420 the instructions emitted by the pattern.
1421 ("*TDC_insn_<mode>"): Add comment.
1423 2012-01-03 Richard Guenther <rguenther@suse.de>
1426 * fold-const.c (fold_comparison): Properly canonicalize
1427 tree offset and HOST_WIDE_INT bit position.
1429 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
1431 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1432 operands for extzv pattern.
1434 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1437 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1440 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1442 * doc/invoke.texi (-flto and related options): Copy-edit.
1444 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1446 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1448 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1450 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1453 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1455 * expr.h (move_by_pieces_ninsns): Declare.
1456 * expr.c (move_by_pieces_ninsns): Make external.
1457 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1458 (mips_store_by_pieces_p): Likewise.
1459 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1460 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1461 * config/mips/mips.c (mips_move_by_pieces_p): New function.
1462 (mips_store_by_pieces_p): Likewise.
1464 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1466 * passes.c (register_one_dump_file): Free full_name.
1468 * reload1.c (reload): Don't allocate reg_max_ref_width here.
1469 (calculate_elim_costs_all_insns): Free offsets_at and
1470 offsets_known_at at the end and clear the pointers.
1472 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1474 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1475 this option introduced in r180739.
1477 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1480 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1481 (tmake_file target=avr): Add avr/t-multilib.
1483 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1484 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1485 * config/avr/genmultilib.awk: New file.
1486 * config/avr/t-multilib: New auto-generated file.
1487 * config/avr/multilib.h: New auto-generated file.
1488 * config/avr/t-avr (AVR_MCUS): New variable.
1489 (genopt.sh): Use it.
1490 (s-mlib): Depend on t-multilib.
1491 (t-multilib, multilib.h): New dependencies.
1492 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1493 (MULTILIB_OPTIONS): Remove.
1494 (MULTILIB_MATCHES): Remove.
1495 (MULTILIB_DIRNAMES): Remove.
1496 (MULTILIB_EXCEPTIONS): Remove:
1497 * config/avr/genopt.sh: Don't use hard coded file name;
1498 pass AVR_MCUS from t-avr instead.
1500 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1502 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1504 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1506 Implement light-weight DImode support.
1507 * config/avr/avr-dimode.md: New file.
1508 * config/avr/avr.md: Include it.
1509 (adjust_len): Add plus64, compare64.
1510 (HIDI): Remove code iterator.
1511 (code_stdname): New code attribute.
1512 (rotx, rotsmode): Remove DI.
1513 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1515 * config/avr/avr-protos.h (avr_have_dimode): New.
1516 (avr_out_plus64, avr_out_compare64): New.
1517 * config/avr/avr.c (avr_out_compare): Handle DImode.
1518 (avr_have_dimode): New variable definition and initialization.
1519 (avr_out_compare64, avr_out_plus64): New functions.
1520 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1521 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1522 (avr_compare_pattern): Skip DImode comparisons.
1524 2012-01-02 Revital Eres <revital.eres@linaro.org>
1526 * ddg.c (def_has_ccmode_p): New function.
1527 (add_cross_iteration_register_deps,
1528 create_ddg_dep_from_intra_loop_link): Call it.
1530 2012-01-02 Richard Guenther <rguenther@suse.de>
1533 * invoke.texi (fassociative-math): Remove spurious paranthesis.
1535 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1537 * gcc.c (process_command): Update copyright notice dates.
1538 * gcov.c (print_version): Likewise.
1539 * gcov-dump.c (print_version): Likewise.
1540 * mips-tfile.c (main): Likewise.
1541 * mips-tdump.c (main): Likewise.
1543 2012-01-01 Ira Rosen <irar@il.ibm.com>
1545 PR tree-optimization/51704
1546 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1547 a use is inside the basic block or loop before accessing its vect info.
1549 2012-01-01 Jan Hubicka <jhjh@suse.cz>
1551 PR rtl-optimization/51069
1552 * cfgloopmanip.c (remove_path): Removing path making irreducible
1553 region unconditional makes BB part of the region.
1555 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1557 PR tree-optimization/51683
1558 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1559 calls with side-effects.
1560 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1562 Copyright (C) 2012 Free Software Foundation, Inc.
1564 Copying and distribution of this file, with or without modification,
1565 are permitted in any medium without royalty provided the copyright
1566 notice and this notice are preserved.