1 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
3 * config/mips/mips.c: Don't process ASM_OPERANDS.
5 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
8 Rename __pgm to __flash.
9 Rename __pgm1 to __flash1.
10 Rename __pgm2 to __flash2.
11 Rename __pgm3 to __flash3.
12 Rename __pgm4 to __flash4.
13 Rename __pgm5 to __flash5.
14 Rename __pgmx to __memx.
15 * doc/extend.texi (AVR Named Address Spaces)
16 Rename address space names as indicated above.
17 * config/avr/avr.c (avr_addrspace): Ditto.
19 * config/avr/avr-protos.h
20 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
21 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
22 * config/avr/predicates.md: Ditto.
23 * config/avr/avr.c Ditto, and
24 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
25 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
27 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
28 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
29 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
30 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
31 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
32 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
33 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
34 * config/avr/avr.c: Ditto.
35 * config/avr/avr.md: Ditto.
37 2012-01-25 Jason Merrill <jason@redhat.com>
40 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
42 2012-01-25 Jakub Jelinek <jakub@redhat.com>
44 PR tree-optimization/51987
45 * tree-data-ref.c (get_references_in_stmt): Handle references in
46 non-volatile GIMPLE_ASM.
48 2012-01-25 Richard Guenther <rguenther@suse.de>
50 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
51 bases are dereferenced.
53 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
55 PR rtl-optimization/48374
56 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
58 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
60 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
61 compute_data_dependences_for_loop returns false.
62 * tree-parloops.c (loop_parallel_p): Likewise.
64 2012-01-25 Richard Guenther <rguenther@suse.de>
66 * tree.h (get_pointer_alignment_1): Declare.
67 * builtins.c (get_pointer_alignment_1): New function.
68 (get_pointer_alignment): Use it.
70 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
72 PR rtl-optimization/48308
73 * combine.c (enum undo_kind): Add UNDO_LINKS.
74 (struct undo): Add member l to other_contents and where.
77 (try_combine): Handle LOG_LINKS for the dummy i1 case.
78 (undo_all): Handle UNDO_LINKS.
80 2012-01-25 Richard Henderson <rth@redhat.com>
82 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
85 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
87 * optabs.c (gen_atomic_test_and_set): Use each argument.
89 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
91 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
92 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
93 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
94 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
95 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
96 TARGET_PAIRED_SINGLE_FLOAT.
98 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
100 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
101 (in_struct, return_val): Remove MEM documentation.
102 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
103 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
104 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
106 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
107 * cfgexpand.c (add_alias_set_conflicts): Likewise.
108 * expr.c (store_field): Likewise.
109 * function.c (assign_stack_temp_for_type): Likewise.
110 * ifcvt.c (noce_try_cmove_arith): Likewise.
111 * reload1.c (reload): Likewise.
112 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
113 (alpha_set_memflags): Likewise.
114 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
116 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
118 * rtl.h (true_dependence, canon_true_dependence): Remove varies
120 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
121 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
122 (true_dependence_1, true_dependence, canon_true_dependence): Remove
124 * cselib.c (cselib_rtx_varies_p): Delete.
125 (cselib_invalidate_mem): Update call to canon_true_dependence.
126 * dse.c (record_store, check_mem_read_rtx): Likewise.
127 (scan_reads_nospill): Likewise.
128 * cse.c (check_dependence): Likewise.
129 (cse_rtx_varies_p): Delete.
130 * expr.c (safe_from_p): Update call to true_dependence.
131 * ira.c (validate_equiv_mem_from_store): Likewise.
132 (memref_referenced_p): Likewise.
133 * postreload-gcse.c (find_mem_conflicts): Likewise.
134 * sched-deps.c (sched_analyze_2): Likewise.
135 * store-motion.c (load_kills_store): Likewise.
136 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
137 * gcse.c (mems_conflict_for_gcse_p): Likewise.
138 (compute_transp): Update call to canon_true_dependence.
140 2012-01-25 Richard Henderson <rth@redhat.com>
142 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
143 (maybe_emit_atomic_test_and_set): New.
144 (expand_sync_lock_test_and_set): Use it.
145 (expand_atomic_test_and_set): Likewise.
146 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
147 the implementation; clarify implementation defined details.
148 * doc/md.texi (atomic_test_and_set): Document.
150 2012-01-25 Richard Henderson <rth@redhat.com>
152 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
154 2012-01-25 Richard Henderson <rth@redhat.com>
157 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
158 to effect no-op split.
160 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
161 Patrick Marlier <patrick.marlier@gmail.com>
163 * trans-mem.c (requires_barrier): Do not instrument thread local
164 variables and emit save/restore for them.
166 2012-01-24 Jason Merrill <jason@redhat.com>
169 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
170 output static aliases.
172 2012-01-24 Jakub Jelinek <jakub@redhat.com>
175 * common.opt (-pie, -shared, pie, shared): Change from Common to
177 * gcc.c (display_help): Display help for -pie and -shared.
179 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
182 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
183 Remove note on size/offset limitation.
184 (AVR Variable Attributes): Add example how to read data located
185 with progmem. Refer to named address spaces.
186 * doc/invoke.texi (AVR Options): Fix typo.
188 2012-01-24 Richard Guenther <rguenther@suse.de>
190 Forward-port to trunk
191 2010-09-21 Jakub Jelinek <jakub@redhat.com>
194 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
195 op0 isn't sufficiently aligned and there is movmisalignM
196 insn for mode, use it to load op0 into a temporary register.
198 2012-01-24 Jakub Jelinek <jakub@redhat.com>
201 * target.def (const_not_ok_for_debug_p): New hook.
202 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
204 * doc/tm.texi: Regenerated.
205 * dwarf2out.c (const_ok_for_output_1): If
206 targetm.const_not_ok_for_debug_p returns true, fail.
207 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
209 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
211 2012-01-23 Kai Tietz <ktietz@redhat.com>
214 * config/i386/predicates.md (symbolic_operand): Allow
215 UNSPEC_PCREL as PIC expression for lea.
216 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
217 * config/i386/i386.c (ix86_delegitimize_address): Handle
218 UNSPEC_PCREL for none-MEM, too.
220 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
222 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
223 (ipa_tm_create_version_alias): Same.
225 2012-01-18 Uros Bizjak <ubizjak@gmail.com>
228 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
229 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
231 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
232 Patrick Marlier <patrick.marlier@gmail.com>
233 Iain Sandoe <developer@sandoe-acoustics.co.uk>
236 * lto-wrapper.c (run_gcc): Pass the LTO section name to
237 simple_object_start_read.
239 2012-01-23 Richard Guenther <rguenther@suse.de>
242 PR tree-optimization/51895
243 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
244 parameter decomposition into BLKmode components.
246 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
248 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
249 fake variables for restrict-qualified pointers whose pointed-to type
250 contains a placeholder.
252 2012-01-23 Richard Guenther <rguenther@suse.de>
254 PR tree-optimization/51949
255 * ipa-split.c (execute_split_functions): Do not split malloc functions.
257 2012-01-23 Jakub Jelinek <jakub@redhat.com>
259 PR rtl-optimization/51933
260 * ree.c (transform_ifelse): Return true right away if dstreg is
261 already wider or equal to cand->mode.
262 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
263 (make_defs_and_copies_lists): Remove defs_list and copies_list
264 arguments, add state argument, just truncate state->work_list
265 instead of always allocating and freeing the vector. Assert that
266 get_defs succeeds instead of returning 2. Changed return type to bool.
267 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
268 have ext_src_mode, see if it has been modified already with the
269 right kind of extension and has been extended before from the
270 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
271 just return true. Remember the original mode in state->modified array.
272 (combine_reaching_defs): Add state argument. Don't allocate and
273 free here def_list, copied_list and vec vectors, instead just
274 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
275 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
276 Add state variable, clear vectors in it, initialize state.modified
277 if needed. Free all the vectors at the end and state.modified too.
278 Don't skip a candidate if the extension expression has been modified.
280 2012-01-22 Douglas B Rupp <rupp@gnat.com>
283 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
284 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
285 (extra_options) interix.opt -> i386/interix.opt"
286 (extra_objs):Add winnt-stubs.o
287 * configure.ac: Add interix to target_os .comm on PE check.
288 * configure: Regenerate.
289 * config/interix3.h: Delete and move bits to..
290 * config/interix.h: Delete and move bits to..
291 * config/i386/i386-interix3.h: Delete and move bits to..
292 * config/i386/i386-interix.h: ..here.
293 (TARGET_CPU_DEFAULT): Remove redefinition.
294 (TARGET_ASM_CONSTRUCTOR): Undefine.
295 (SUBTARGET_SWITCHES): Define for ms-bitfields.
296 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
297 (PTRDIFF_TYPE): Define.
298 (LONG_DOUBLE_TYPE_SIZE): Define.
299 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
300 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
301 (TARGET_SECTION_TYPE_FLAGS): Define.
302 (ASM_DECLARE_FUNCTION_NAME): Define.
303 (ASM_OUTPUT_EXTERNAL): Define.
304 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
305 (ASM_OUTPUT_ALIGNED_BSS): Define.
306 (PCC_BITFIELD_TYPE_MATTERS): Define.
307 (USE_CONST_SECTION): Define.
308 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
309 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
310 (SUPPORTS_ONE_ONLY): Remove.
311 (I386_PE_STRIP_ENCODING): Define.
312 * config/interix.opt: Delete and move bits to..
313 * config/i386/interix.opt: ..here. New.
314 (mpe-aligned-commons): Add.
315 * config/i386/t-interix: Add copyright header.
316 (winnt-stubs.o): Add rule.
318 2012-01-22 Jason Merrill <jason@redhat.com>
321 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
322 for extra name aliases.
324 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
326 PR rtl-optimization/51924
327 * ree.c (combine_set_extension): Improve debugging message.
328 (combine_reaching_defs): Likewise.
329 (get_defs): Rename confusingly named variable.
330 (find_and_remove_re): Skip a candidate if the extension expression has
333 2012-01-21 Robert Millan <rmh@gnu.org>
334 Gerald Pfeifer <gerald@pfeifer.com>
336 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
337 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
339 2012-01-20 Jakub Jelinek <jakub@redhat.com>
341 PR tree-optimization/51914
342 * tree-vect-stmts.c (vectorizable_conversion): For
343 cvt_type && modifier == WIDEN, put temporary with cvt_type
344 at the beginning of vec_dsts and set vec_dest to temporary
347 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
349 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
351 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
353 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
354 * config/rs6000/rs6000.c: Likewise.
356 2012-01-20 Jakub Jelinek <jakub@redhat.com>
359 * config/arm/arm.c (arm_count_output_move_double_insns): Call
360 output_move_double on a copy of operands array.
362 2012-01-20 Cary Coutant <ccoutant@google.com>
363 Dodji Seketeli <dodji@redhat.com>
366 * dwarf2out.c (copy_declaration_context): Return ref to parent
367 of declaration DIE, if necessary.
368 (remove_child_or_replace_with_skeleton): Add new parameter; update
369 caller. Place skeleton DIE under parent DIE of original declaration.
370 Move call to copy_declaration_context to here ...
371 (break_out_comdat_types): ... from here.
373 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
375 PR rtl-optimization/51856
376 * reload.c (find_reloads_subreg_address): Set the address_reloaded
379 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
382 * config/arm/arm.c (arm_print_operand): Correct output of alignment
383 hints for neon loads and stores.
385 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
389 * doc/extend.texi (Named Address Spaces): Split into subsections.
390 (AVR Named Address Spaces): New subsection.
391 (M32C Named Address Spaces): New subsection.
392 (RL78 Named Address Spaces): New subsection.
393 (SPU Named Address Spaces): New subsection.
394 (Variable Attributes): New anchor "AVR Variable Attributes".
395 (AVR Variable Attributes): Rewrite and avoid wording
396 "address space" in this context.
397 * doc/invoke.texi (AVR Options): Rewrite and add documentation
398 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
399 (AVR Built-in Macros): New subsubsection therein.
400 * doc/md.texi (AVR constraints): Remove "C04", "R".
402 2012-01-20 Richard Guenther <rguenther@suse.de>
404 PR tree-optimization/51903
405 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
408 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
411 * config/arm/arm.c (arm_load_pic_register): Use
412 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
413 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
414 (arm_pic_static_addr): Likewise.
415 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
416 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
417 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
418 (pic_load_addr_unified): New.
420 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
423 * function.c (instantiate_virtual_regs_in_insn): Use
424 delete_insn_and_edges when removing a wrong asm insn.
426 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
428 PR rtl-optimization/40761
429 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
430 Add new member loop_num.
431 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
432 (ira_build): Remove the parameter.
434 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
435 (ira.c): Do not build CFG loops for one region allocation. Remove
436 argument from ira_build call.
438 * ira-build.c (init_loop_tree_node): New function.
439 (create_loop_tree_nodes): Use it. Separate the case when CFG
441 (more_one_region_p): Check current_loops.
442 (finish_loop_tree_nodes): Separate the case when CFG loops are not
444 (add_loop_to_tree): Process loop equal to NULL too.
445 (form_loop_tree): Separate the case when CFG loops are not built.
446 Use explicitly number for the root.
447 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
449 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
450 instead of loop->num.
451 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
452 (mark_all_loops_for_removal): Ditto.
453 (remove_unnecessary_regions): Separate the case when CFG loops
455 (ira_build): Remove the parameter. Use explicit number of regions
456 when CFG loops are not built.
458 * ira-color.c (print_loop_title): Separate the case for the root node.
459 Use loop_num instead of loop->num.
460 (move_spill_restore): Use loop_num instead of loop->num.
462 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
463 (change_loop): Ditto.
464 (change_loop): Use loop_num instead of loop->num.
466 * ira-lives.c (process_bb_node_lives): Ditto.
468 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
470 * ira-conflicts.c (print_allocno_conflicts): Ditto.
472 2012-01-19 Jakub Jelinek <jakub@redhat.com>
475 * tree-mudflap.c (mf_artificial): New function.
476 (execute_mudflap_function_ops, execute_mudflap_function_decls,
477 mx_register_decls, mudflap_enqueue_decl): Use it.
480 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
481 numbers in the insn pattern.
483 2012-01-19 Michael Matz <matz@suse.de>
485 PR tree-optimization/46590
486 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
487 use it in remembering which conflicts we already created.
488 (add_scope_conflicts): Adjust call to above, (de)allocate helper
491 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
494 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
495 (merge_and_complain): Same.
497 2012-01-19 Jakub Jelinek <jakub@redhat.com>
500 * config/initfini-array.h: Guard content of the header
501 with #ifdef HAVE_INITFINI_ARRAY.
502 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
503 Add initfini-array.h to tm_file here.
504 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
505 * config.gcc: Don't add initfini-array.h to tm_file here.
506 * configure: Regenerated.
508 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
510 PR rtl-optimization/51505
511 * df-problems.c (df_kill_notes): New parameter live. Update comment.
512 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
513 (df_note_bb_compute): Update the call to df_kill_notes.
515 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
517 * trans-mem.c (requires_barrier): Remove call to is_global_var.
519 2012-01-18 Richard Guenther <rguenther@suse.de>
521 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
522 of conversions to void *.
524 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
525 Richard Sandiford <rdsandiford@googlemail.com>
529 * optabs.h (simplify_expand_binop): Declare.
530 * optabs.c (simplify_expand_binop): Make global.
531 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
532 endian targets if the source cannot be exactly covered by word
535 2012-01-17 Jakub Jelinek <jakub@redhat.com>
538 * hard-reg-set.h (struct hard_reg_set_container): New type.
539 * target.h (struct hard_reg_set_container): Forward declare.
540 * target.def (set_up_by_prologue): New target hook.
541 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
542 * doc/tm.texi: Regenerated.
543 * function.c (thread_prologue_and_epilogue_insns): Change
544 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
545 Call targetm.set_up_by_prologue on it.
546 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
547 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
549 2012-01-17 Nick Clifton <nickc@redhat.com>
551 * config/rx/rx.c (rx_can_use_simple_return): New function.
552 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
553 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
555 2012-01-17 Richard Guenther <rguenther@suse.de>
558 * expr.c (expand_assignment): Take address-space information
559 from the address operand of MEM_REF and TARGET_MEM_REF.
560 (expand_expr_real_1): Likewise.
562 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
564 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
565 reload dump is requested.
567 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
570 * trans-mem.c (requires_barrier): Call may_be_aliased.
572 2012-01-17 Jakub Jelinek <jakub@redhat.com>
574 PR tree-optimization/51877
575 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
576 call arguments and fndecls compare equal, instead return false if they
577 don't. Return true only if lhs1 and lhs2 are either both NULL, or
578 both SSA_NAMEs that are valueized the same, or they satisfy
581 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
583 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
585 * configure: Regenerate.
587 2012-01-16 Jan Hubicka <jh@suse.cz>
591 * convert.c (convert_to_integer): Use fold_convert for
592 converting an INTEGER_CST to integer type.
594 2012-01-16 Jason Merrill <jason@redhat.com>
597 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
599 2012-01-16 Jakub Jelinek <jakub@redhat.com>
602 * config/s390/s390.c (s390_chunkify_start): Don't skip
603 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
604 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
605 If insn is followed by NOTE_INSN_VAR_LOCATION or
606 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
607 Don't use location of note insns.
609 PR tree-optimization/51865
610 * tree-inline.c (tree_function_versioning): Call remap_decl
611 on DECL_RESULT whenever it has VOID_TYPE_P type.
613 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
615 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
616 for calls to locally-binding MIPS16 functions if only the return
617 type uses float regs.
619 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
620 Richard Sandiford <rdsandiford@googlemail.com>
622 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
623 (SYMBOL_32_HIGH): Likewise.
624 (mips_output_tls_reloc_directive): Declare.
625 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
626 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
627 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
628 (mips_lo_relocs, mips_hi_relocs): Make extern.
629 (mips16_stub_function): Move up file.
630 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
631 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
632 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
633 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
634 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
635 (mips_get_tp): Add MIPS16 support.
636 (mips_legitimize_tls_address): Remove MIPS16 sorry().
637 Generalize DTPREL and TPREL handling.
638 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
639 Add MIPS16 TLS support.
640 (mips_output_tls_reloc_directive): New function.
641 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
642 * config/mips/predicates.md (symbolic_operand_with_high)
643 (tls_reloc_operand): New predicates.
644 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
645 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
646 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
647 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
648 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
649 (*tls_get_tp_mips16_call_<mode>): Likewise.
651 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
653 PR rtl-optimization/51821
654 * recog.c (peep2_find_free_register): Determine clobbered registers
657 2012-01-14 Denis Chertykov <chertykov@gmail.com>
660 * config/avr/avr-protos.h: Revert change of 2012-01-09.
661 * config/avr/avr.c: Likewise.
662 * config/avr/avr.h: Likewise.
664 2012-01-13 Ian Lance Taylor <iant@google.com>
667 * tree.h (TYPE_QUALS): Add cast to int.
668 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
670 2012-01-13 Ian Lance Taylor <iant@google.com>
672 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
673 comparing param_index to VEC_length result.
675 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
677 * c-decl.c: Do not include tree-mudflap.h
678 * tree-optimize.c: Likewise.
679 * Makefile.in: Update dependencies.
681 2012-01-13 Richard Guenther <rguenther@suse.de>
684 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
685 variable-sized result always use RSO.
687 2012-01-12 DJ Delorie <dj@redhat.com>
689 * cfgexpand.c (convert_debug_memory_address): Allow any valid
690 pointer type, not just the default pointer type.
692 2012-01-09 Richard Henderson <rth@redhat.com>
693 Denis Chertykov <chertykov@gmail.com>
696 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
697 * config/avr/avr.c (avr_can_eliminate): Simplify.
698 (avr_initial_elimination_offset): Likewise.
699 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
700 (expand_epilogue): Likewise.
701 (avr_legitimize_address): Gut.
702 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
703 (avr_hard_regno_nregs): New.
704 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
705 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
706 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
707 add soft frame pointer.
708 (CALL_USED_REGISTERS): Likewise.
709 (REG_CLASS_CONTENTS): Likewise.
710 (REGISTER_NAMES): Likewise.
711 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
712 (HARD_FRAME_POINTER_REGNUM): New.
713 (FRAME_POINTER_REGNUM): Use soft frame pointer.
714 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
715 remove the HARD_FRAME_POINTER self-elimination.
717 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
720 * config/avr/avr.c (avr_encode_section_info): Test for absence of
721 DECL_EXTERNAL when checking for initializers of progmem variables.
723 2012-01-12 Ira Rosen <irar@il.ibm.com>
725 PR tree-optimization/51799
726 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
727 that the last operation is a type demotion.
729 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
731 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
732 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
734 2012-01-11 Jakub Jelinek <jakub@redhat.com>
737 * combine.c (distribute_notes): If i3 is a noreturn call,
738 allow old_size to be equal to args_size and make sure the
739 noreturn call gets REG_ARGS_SIZE note.
740 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
741 on noreturn calls even when the delta is 0.
743 2012-01-11 Nathan Sidwell <nathan@acm.org>
745 * gcov.c (STRING_SIZE): Remove.
746 (generate_results): Erase annotations for source files with no
747 coverage information.
749 (output_lines): Use it.
751 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
753 * gimple.h (gimplify_body): Remove first argument.
754 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
755 pointer set here, instead just pass DATA to walk_tree.
756 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
757 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
758 (unvisit_body): Likewise, but with unmark_visited.
759 (gimplify_body): Remove BODY_P argument and adjust.
760 (gimplify_function_tree): Adjust call to gimplify_body.
761 * omp-low.c (finalize_task_copyfn): Likewise.
763 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
765 * tree.h (build_function_decl_skip_args): Add boolean parameter.
766 (build_function_type_skip_args): Delete.
767 * tree.c (build_function_type_skip_args): Make static and add
768 SKIP_RETURN parameter. Fix thinko in the handling of variants.
769 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
770 pass it to build_function_type_skip_args.
771 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
772 (tree_function_versioning): Likewise.
773 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
774 build_function_decl_skip_args.
775 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
776 and pass it to build_function_decl_skip_args/tree_function_versioning.
777 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
778 * ipa-inline-transform.c (save_inline_function_body): Likewise.
779 * trans-mem.c (ipa_tm_create_version): Likewise.
780 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
781 * tree-inline.c (declare_return_variable): Remove always-true test.
782 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
783 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
784 * ipa-split.c (split_function): Skip the return value for the split
785 part if it doesn't return.
787 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
789 PR tree-optimization/49642
790 * ipa-split.c (forbidden_dominators): New variable.
791 (check_forbidden_calls): New function.
792 (dominated_by_forbidden): Likewise.
793 (consider_split): Check for forbidden dominators.
794 (execute_split_functions): Initialize and free forbidden
795 dominators info; call check_forbidden_calls.
797 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
799 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
801 2012-01-11 Nick Clifton <nickc@redhat.com>
803 * config/rx/rx.md (return): Define pattern.
805 2012-01-11 Richard Guenther <rguenther@suse.de>
807 * doc/extend.texi (malloc attribute): Adjust according to
810 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
811 Patrick Marlier <patrick.marlier@gmail.com>
814 * trans-mem.c (get_cg_data): Traverse aliases if requested.
815 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
816 (ipa_tm_note_irrevocable): Same.
817 (ipa_tm_scan_irr_block): Same.
818 (ipa_tm_decrement_clone_counts): Same.
819 (ipa_tm_scan_irr_function): Same.
820 (ipa_tm_create_version_alias): Same.
821 (ipa_tm_create_version): Same.
822 (ipa_tm_transform_calls_redirect): Same.
823 (ipa_tm_transform_calls): Same.
824 (ipa_tm_transform_transaction): Same.
825 (ipa_tm_execute): Same.
827 2012-01-10 Richard Guenther <rguenther@suse.de>
830 * opts.c (common_handle_option): Handle -Werror.
832 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
834 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
837 2012-01-10 Jason Merrill <jason@redhat.com>
839 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
842 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
844 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
845 supports R_386_TLS_GD_PLT reloc.
846 (gcc_cv_as_ix86_tlsldmplt): Check if linker
847 supports R_386_TLS_LDM_PLT reloc.
848 * configure: Regenerate.
849 * config.in: Regenerate.
851 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
854 Extend __pgmx semantics to linearize memory.
855 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
856 determine if code comes inline or from libgcc.
857 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
858 (movmem_qi, movmem_qi): Set constraint #2 to "n".
859 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
860 (movmemx_qi, movmemx_hi): New insns.
861 (xload_<mode>_libgcc): Rewrite to new insn condition.
862 (xload_<mode>): Remove insns.
863 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
864 cases that don't satisfy avr_xload_libgcc_p().
865 (avr_addr_space_convert): Allow converting in any direction.
866 (avr_addr_space_subset_p): Return always true.
867 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
868 (avr_emit_movmemhi): Ditto.
869 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
870 (avr_out_movmem): Ditto.
871 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
872 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
873 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
874 (avr_encode_section_info): Encode 'progmem' in symbol flags.
875 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
877 2012-01-10 Richard Guenther <rguenther@suse.de>
879 PR tree-optimization/50913
880 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
881 Require data-refs to be representable by Graphite with respect
884 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
886 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
887 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
889 2012-01-10 Tom de Vries <tom@codesourcery.com>
891 PR rtl-optimization/51271
892 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
893 handling annulled branch.
895 2012-01-10 Richard Henderson <rth@redhat.com>
897 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
898 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
899 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
900 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
901 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
902 arm_expand_vec_perm_const): New.
903 * config/arm/arm-protos.h: Update.
904 * config/arm/neon.md (UNSPEC_VCONCAT): New.
905 (*neon_vswp<VDQX>): New.
906 (neon_vcombine<VDX>): Use neon_split_vcombine.
907 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
908 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
911 2012-01-10 Richard Henderson <rth@redhat.com>
913 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
914 use it if reload_completed.
915 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
916 arm_output_asm_insn, arm_process_output_memory_barrier,
917 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
918 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
919 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
920 arm_process_output_sync_insn, arm_output_sync_insn,
921 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
922 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
923 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
924 (emit_unlikely_jump): New.
925 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
926 (arm_split_atomic_op): New.
927 * config/arm/arm-protos.h: Update.
928 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
929 (struct arm_sync_generator): Remove.
930 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
931 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
932 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
933 (VUNSPEC_LL, VUNSPEC_SC): New.
934 (sync_result, sync_memory, sync_required_value, sync_new_value,
935 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
936 (attr length): Don't use arm_sync_loop_insns.
937 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
938 (movsfcc, movdfcc): Likewise.
939 * config/arm/constraints.md (Ua): New.
940 * config/arm/prediates.md (mem_noofs_operand): New.
941 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
942 (sync_clobber, sync_t2_reqd): Remove.
943 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
944 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
945 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
946 (arm_sync_compare_and_swap<SIDI>): Remove.
947 (arm_sync_compare_and_swap<NARROW>): Remove.
948 (arm_sync_lock_test_and_set<SIDI>): Remove.
949 (arm_sync_lock_test_and_set<NARROW>): Remove.
950 (arm_sync_new_<syncop><SIDI>): Remove.
951 (arm_sync_new_<syncop><NARROW>): Remove.
952 (arm_sync_new_nand<SIDI>): Remove.
953 (arm_sync_new_nand<NARROW>): Remove.
954 (arm_sync_old_<syncop><SIDI>): Remove.
955 (arm_sync_old_<syncop><NARROW>): Remove.
956 (arm_sync_old_nand<SIDI>): Remove.
957 (arm_sync_old_nand<NARROW>): Remove.
958 (*memory_barrier): Merge arm_output_memory_barrier.
959 (atomic_compare_and_swap<QHSD>): New.
960 (atomic_compare_and_swap<NARROW>_1): New.
961 (atomic_compare_and_swap<SIDI>_1): New.
962 (atomic_exchange<QHSD>): New.
963 (cas_cmp_operand, cas_cmp_str): New.
964 (atomic_op_operand, atomic_op_str): New.
965 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
966 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
967 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
968 (arm_load_exclusive<NARROW>): New.
969 (arm_load_exclusivesi, arm_load_exclusivedi): New.
970 (arm_store_exclusive<QHSD>): New.
972 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
974 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
975 reload patterns if -mvsx-scalar-memory.
977 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
978 generated, even -mno-vsx-scalar-double was used.
979 (vsx_xscvdpsp_scalar): Likewise.
980 (vsx_xscvspdp_scalar2): Likewise.
982 2012-01-09 Tom de Vries <tom@codesourcery.com>
983 Andrew Pinski <apinski@cavium.com>
986 * reorg.c (fill_slots_from_thread): Don't speculate
989 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
991 * sched-int.h (bb_note): Move to...
992 * basic-block.h: ...here.
993 * haifa-sched.c (bb_note): Move to...
995 * function.c (next_block_for_reg): New function.
996 (move_insn_for_shrink_wrap): Likewise.
997 (prepare_shrink_wrap): Rewrite to use the above.
999 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1001 * gimple.c (is_gimple_non_addressable): Remove.
1002 * gimple.h: Remove is_gimple_non_addressable.
1003 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1004 is_gimple_non_addressable.
1005 * trans-mem.c (expand_assign_tm): Same.
1007 2012-01-09 Richard Guenther <rguenther@suse.de>
1009 PR tree-optimization/51775
1010 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1011 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1013 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1015 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1017 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1019 2012-01-09 Richard Guenther <rguenther@suse.de>
1021 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1023 2012-01-08 Jan Hubicka <jh@suse.cz>
1025 PR tree-optimize/51680
1026 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1027 on when known_vals needs to be computed; cleanup.
1029 2012-01-08 Jan Hubicka <jh@suse.cz>
1031 PR tree-optimize/51694
1032 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1034 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1036 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1037 for -std=c++98 and -std=c++11 too.
1039 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1041 * cfgloop.c (cancel_loop): Add free() of bbs array.
1043 2012-01-07 Jan Hubicka <jh@suse.cz>
1045 PR tree-optimization/51600
1046 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
1047 that benefits small functions.
1049 2012-01-07 Jan Hubicka <jh@suse.cz>
1051 * ipa-inline.c (want_inline_small_function_p): Fix formating.
1053 2012-01-07 Jan Hubicka <jh@suse.cz>
1055 PR tree-optimization/51680
1056 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
1057 whose inlining reduce unit size.
1059 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
1062 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
1063 Add canonical node to containing_mem chain after the non-canonical
1064 one, even if there weren't any locs to propagate.
1065 (remove_useless_values): Keep only canonical values.
1066 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
1067 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
1068 canonicalize mem_chain elements that are not discarded.
1070 2012-01-06 Jakub Jelinek <jakub@redhat.com>
1073 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
1074 before emitting functions.
1076 PR gcov-profile/50127
1077 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
1078 clear_aux_for_blocks.
1080 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
1083 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
1085 2012-01-06 Arnaud Charlet <charlet@adacore.com>
1087 * c-decl.c (ext_block): Moved up.
1088 (collect_all_refs, for_each_global_decl): Take ext_block into account.
1090 2012-01-06 Han Shen <shenhan@google.com>
1092 Translate built-in include paths for sysroot.
1093 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
1094 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
1096 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
1097 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
1099 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
1100 control whether sysroot should be prepended to gxx include dir.
1102 * configure: Regenerate.
1104 2012-01-06 Torvald Riegel <triegel@redhat.com>
1106 PR rtl-optimization/51771
1107 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
1108 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
1110 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1112 PR tree-optimization/51315
1113 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
1114 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
1116 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
1119 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
1120 for shrp pattern. Correctly handle and fixup shift variable.
1121 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
1123 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1126 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
1127 note when !ACCUMULATE_OUTGOING_ARGS.
1129 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
1131 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
1133 (extract_range_from_unary_expr_1): Avoid useless computations.
1135 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1137 PR rtl-optimization/51767
1138 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
1139 of jump_block and add an extra edge for degenerated asm gotos.
1142 * stmt.c (check_unique_operand_names): Don't ICE during error
1143 reporting if i is from labels chain.
1146 * profile.c (branch_prob): Split bbs that have exit edge
1147 and need a fake entry edge too.
1149 2012-01-05 Jan Hubicka <jh@suse.cz>
1152 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
1155 2012-01-05 Richard Guenther <rguenther@suse.de>
1158 * tree-streamer-out.c (write_ts_optimization): New function.
1159 (streamer_write_tree_body): Call it.
1160 * tree-streamer-in.c (lto_input_ts_optimization): New function.
1161 (streamer_read_tree_body): Call it.
1162 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
1164 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1167 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
1168 * gimplify.c (gimplify_cleanup_point_expr): Save and set
1169 in_cleanup_point_expr before gimplify_stmt call and restore it
1171 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
1172 in_cleanup_point_expr is false.
1174 2012-01-05 Richard Guenther <rguenther@suse.de>
1177 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1179 * toplev.c (process_options): Reject combining mudflap and LTO.
1180 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1182 2012-01-05 Richard Guenther <rguenther@suse.de>
1184 PR tree-optimization/51760
1185 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1187 (bit_value_unop): Handle UNDEFINED operands.
1188 (bit_value_binop): Likewise.
1190 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1192 * config/avr/avr.c (avr_replace_prefix): Remove.
1193 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1194 (avr_asm_function_rodata_section): Ditto.
1195 (avr_asm_select_section): Ditto.
1197 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1199 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1202 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1205 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1206 calls that have any non-fake successor edges.
1209 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1211 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1213 PR tree-optimization/51624
1214 * tree-sra.c (build_ref_for_model): When replicating a chain of
1215 COMPONENT_REFs, stop as soon as the offset would become negative.
1217 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1220 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1221 in .debug_loc on the floor.
1223 2012-01-04 Andrew Pinski <apinski@cavium.com>
1225 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1227 2012-01-04 Andrew Pinski <apinski@cavium.com>
1228 Adam Nemet <anemet@caviumnetworks.com>
1230 * config/mips/mips.md (size): Add SI and DI.
1231 (SIZE): New mode attribute.
1232 (U): New code attribute.
1233 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1234 (mips_lbux_<mode>): Delete.
1235 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1236 (mips_lhx): Use gen_mips_lhx_extsi.
1237 (mips_lhx_<mode>): Delete.
1239 (mips_l<size>x): New expand.
1240 (mips_lwx_<mode>): Delete.
1241 (mips_l<GPR:size>x_<P:mode>): New pattern.
1242 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1243 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1244 * config/mips/mips.c (mips_lx_address_p): New function.
1245 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1246 (dsp64): New availability predicate.
1247 (mips_builtins): Add an entry for __builtin_mips_ldx.
1248 * config/mips/mips.h (ISA_HAS_LBX): New define.
1249 (ISA_HAS_LBUX): Likewise.
1250 (ISA_HAS_LHX): Likewise.
1251 (ISA_HAS_LHUX): Likewise.
1252 (ISA_HAS_LWX): Likewise.
1253 (ISA_HAS_LWUX): Likewise.
1254 (ISA_HAS_LDX): Likewise.
1255 * doc/extend.texi (__builtin_mips_ldx): Document.
1257 2012-01-04 Tristan Gingold <gingold@adacore.com>
1259 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1260 when long pointers are used.
1261 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1262 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1263 (ia64-hp-*vms*): Remove.
1264 * config/vms/xm-vms64.h: Delete.
1266 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1269 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1271 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1273 * opts.c (finish_options): Remove duplicate sorry.
1275 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1278 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1281 2012-01-04 Richard Guenther <rguenther@suse.de>
1284 * tree.c (size_low_cst): New function.
1285 * tree.h (size_low_cst): Declare.
1286 * fold-const.c (fold_comparison): Use it to extract the low
1287 part of the POINTER_PLUS_EXPR offset.
1289 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1291 Fix clearing ZERO_REG
1292 * config/avr/avr.md (cc): Add alternative "ldi".
1293 (movqi_insn): Use it in cc attribute.
1294 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1295 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1296 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1298 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1300 * configure: Regenerate.
1302 2012-01-04 Richard Guenther <rguenther@suse.de>
1304 PR tree-optimization/49651
1305 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1306 (var_can_have_subvars): Use it.
1307 (get_constraint_for_1): Only consider subfields if there can be any.
1309 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1312 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1313 to its new canonical_cselib_val and the cselib_val was in
1314 first_containing_mem chain, but the canonical_cselib_val was not,
1315 add the latter into the chain.
1316 (cselib_invalidate_mem): Compare canonical_cselib_val of
1317 addr_list chain elt with v.
1320 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1321 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1323 (output_macinfo_op): Don't ggc_strdup fd->filename.
1324 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1325 then ggc_strdup it. Don't free inc->info or cur->info.
1326 (output_macinfo): Don't free ref->info or file->info.
1328 2012-01-03 Ira Rosen <irar@il.ibm.com>
1330 PR tree-optimization/51269
1331 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1332 first_niters a pointer.
1333 (slpeel_tree_peel_loop_to_edge): Likewise.
1334 (vect_do_peeling_for_loop_bound): Update call to
1335 slpeel_tree_peel_loop_to_edge.
1336 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1337 here. Remove it from the parameters list.
1338 (vect_do_peeling_for_alignment): Update calls and compute
1341 2012-01-03 Richard Guenther <rguenther@suse.de>
1343 PR tree-optimization/51070
1344 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1345 Properly handle calls.
1347 2012-01-03 Richard Guenther <rguenther@suse.de>
1349 PR tree-optimization/51692
1350 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1351 the LHS of allocation stmts.
1353 2012-01-03 Olivier Hainque <hainque@adacore.com>
1355 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1357 2012-01-03 Olivier Hainque <hainque@adacore.com>
1359 * collect2.c (main): In AIX specific computations for vector
1360 insertions, use CONST_CAST2 to cast from char ** to const char **.
1362 2012-01-03 Richard Guenther <rguenther@suse.de>
1365 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1366 the context of a limbo DIE when it does not already exist.
1368 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1370 PR tree-optimization/51719
1371 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1372 but direct call is, clear direct call's lhs and don't add fallthrough
1373 edge from dcall_bb to join_bb and PHIs.
1375 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1377 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1378 the instructions emitted by the pattern.
1379 ("*TDC_insn_<mode>"): Add comment.
1381 2012-01-03 Richard Guenther <rguenther@suse.de>
1384 * fold-const.c (fold_comparison): Properly canonicalize
1385 tree offset and HOST_WIDE_INT bit position.
1387 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
1389 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1390 operands for extzv pattern.
1392 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1395 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1398 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1400 * doc/invoke.texi (-flto and related options): Copy-edit.
1402 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1404 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1406 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1408 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1411 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1413 * expr.h (move_by_pieces_ninsns): Declare.
1414 * expr.c (move_by_pieces_ninsns): Make external.
1415 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1416 (mips_store_by_pieces_p): Likewise.
1417 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1418 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1419 * config/mips/mips.c (mips_move_by_pieces_p): New function.
1420 (mips_store_by_pieces_p): Likewise.
1422 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1424 * passes.c (register_one_dump_file): Free full_name.
1426 * reload1.c (reload): Don't allocate reg_max_ref_width here.
1427 (calculate_elim_costs_all_insns): Free offsets_at and
1428 offsets_known_at at the end and clear the pointers.
1430 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1432 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1433 this option introduced in r180739.
1435 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1438 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1439 (tmake_file target=avr): Add avr/t-multilib.
1441 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1442 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1443 * config/avr/genmultilib.awk: New file.
1444 * config/avr/t-multilib: New auto-generated file.
1445 * config/avr/multilib.h: New auto-generated file.
1446 * config/avr/t-avr (AVR_MCUS): New variable.
1447 (genopt.sh): Use it.
1448 (s-mlib): Depend on t-multilib.
1449 (t-multilib, multilib.h): New dependencies.
1450 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1451 (MULTILIB_OPTIONS): Remove.
1452 (MULTILIB_MATCHES): Remove.
1453 (MULTILIB_DIRNAMES): Remove.
1454 (MULTILIB_EXCEPTIONS): Remove:
1455 * config/avr/genopt.sh: Don't use hard coded file name;
1456 pass AVR_MCUS from t-avr instead.
1458 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1460 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1462 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1464 Implement light-weight DImode support.
1465 * config/avr/avr-dimode.md: New file.
1466 * config/avr/avr.md: Include it.
1467 (adjust_len): Add plus64, compare64.
1468 (HIDI): Remove code iterator.
1469 (code_stdname): New code attribute.
1470 (rotx, rotsmode): Remove DI.
1471 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1473 * config/avr/avr-protos.h (avr_have_dimode): New.
1474 (avr_out_plus64, avr_out_compare64): New.
1475 * config/avr/avr.c (avr_out_compare): Handle DImode.
1476 (avr_have_dimode): New variable definition and initialization.
1477 (avr_out_compare64, avr_out_plus64): New functions.
1478 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1479 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1480 (avr_compare_pattern): Skip DImode comparisons.
1482 2012-01-02 Revital Eres <revital.eres@linaro.org>
1484 * ddg.c (def_has_ccmode_p): New function.
1485 (add_cross_iteration_register_deps,
1486 create_ddg_dep_from_intra_loop_link): Call it.
1488 2012-01-02 Richard Guenther <rguenther@suse.de>
1491 * invoke.texi (fassociative-math): Remove spurious paranthesis.
1493 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1495 * gcc.c (process_command): Update copyright notice dates.
1496 * gcov.c (print_version): Likewise.
1497 * gcov-dump.c (print_version): Likewise.
1498 * mips-tfile.c (main): Likewise.
1499 * mips-tdump.c (main): Likewise.
1501 2012-01-01 Ira Rosen <irar@il.ibm.com>
1503 PR tree-optimization/51704
1504 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1505 a use is inside the basic block or loop before accessing its vect info.
1507 2012-01-01 Jan Hubicka <jhjh@suse.cz>
1509 PR rtl-optimization/51069
1510 * cfgloopmanip.c (remove_path): Removing path making irreducible
1511 region unconditional makes BB part of the region.
1513 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1515 PR tree-optimization/51683
1516 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1517 calls with side-effects.
1518 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1520 Copyright (C) 2012 Free Software Foundation, Inc.
1522 Copying and distribution of this file, with or without modification,
1523 are permitted in any medium without royalty provided the copyright
1524 notice and this notice are preserved.