| blob | 4f274190481914071d535cb58e3cfc4744df6ef1 |
1 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
3 PR target/49868
4 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
5 Remove note on size/offset limitation.
6 (AVR Variable Attributes): Add example how to read data located
7 with progmem. Refer to named address spaces.
8 * doc/invoke.texi (AVR Options): Fix typo.
10 2012-01-24 Richard Guenther <rguenther@suse.de>
12 Forward-port to trunk
13 2010-09-21 Jakub Jelinek <jakub@redhat.com>
15 PR middle-end/45678
16 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
17 op0 isn't sufficiently aligned and there is movmisalignM
18 insn for mode, use it to load op0 into a temporary register.
20 2012-01-24 Jakub Jelinek <jakub@redhat.com>
22 PR target/51957
23 * target.def (const_not_ok_for_debug_p): New hook.
24 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
25 documentation.
26 * doc/tm.texi: Regenerated.
27 * dwarf2out.c (const_ok_for_output_1): If
28 targetm.const_not_ok_for_debug_p returns true, fail.
29 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
30 function.
31 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
33 2012-01-23 Kai Tietz <ktietz@redhat.com>
35 PR target/51900
36 * config/i386/predicates.md (symbolic_operand): Allow
37 UNSPEC_PCREL as PIC expression for lea.
38 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
39 * config/i386/i386.c (ix86_delegitimize_address): Handle
40 UNSPEC_PCREL for none-MEM, too.
42 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
44 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
45 (ipa_tm_create_version_alias): Same.
47 2012-01-18 Uros Bizjak <ubizjak@gmail.com>
49 PR libitm/51830
50 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
51 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
53 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
54 Patrick Marlier <patrick.marlier@gmail.com>
55 Iain Sandoe <developer@sandoe-acoustics.co.uk>
57 PR lto/51916
58 * lto-wrapper.c (run_gcc): Pass the LTO section name to
59 simple_object_start_read.
61 2012-01-23 Richard Guenther <rguenther@suse.de>
64 PR tree-optimization/51895
65 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
66 parameter decomposition into BLKmode components.
68 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
70 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
71 fake variables for restrict-qualified pointers whose pointed-to type
72 contains a placeholder.
74 2012-01-23 Richard Guenther <rguenther@suse.de>
76 PR tree-optimization/51949
77 * ipa-split.c (execute_split_functions): Do not split malloc functions.
79 2012-01-23 Jakub Jelinek <jakub@redhat.com>
81 PR rtl-optimization/51933
82 * ree.c (transform_ifelse): Return true right away if dstreg is
83 already wider or equal to cand->mode.
84 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
85 (make_defs_and_copies_lists): Remove defs_list and copies_list
86 arguments, add state argument, just truncate state->work_list
87 instead of always allocating and freeing the vector. Assert that
88 get_defs succeeds instead of returning 2. Changed return type to bool.
89 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
90 have ext_src_mode, see if it has been modified already with the
91 right kind of extension and has been extended before from the
92 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
93 just return true. Remember the original mode in state->modified array.
94 (combine_reaching_defs): Add state argument. Don't allocate and
95 free here def_list, copied_list and vec vectors, instead just
96 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
97 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
98 Add state variable, clear vectors in it, initialize state.modified
99 if needed. Free all the vectors at the end and state.modified too.
100 Don't skip a candidate if the extension expression has been modified.
102 2012-01-22 Douglas B Rupp <rupp@gnat.com>
104 PR target/47096
105 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
106 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
107 (extra_options) interix.opt -> i386/interix.opt"
108 (extra_objs):Add winnt-stubs.o
109 * configure.ac: Add interix to target_os .comm on PE check.
110 * configure: Regenerate.
111 * config/interix3.h: Delete and move bits to..
112 * config/interix.h: Delete and move bits to..
113 * config/i386/i386-interix3.h: Delete and move bits to..
114 * config/i386/i386-interix.h: ..here.
115 (TARGET_CPU_DEFAULT): Remove redefinition.
116 (TARGET_ASM_CONSTRUCTOR): Undefine.
117 (SUBTARGET_SWITCHES): Define for ms-bitfields.
118 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
119 (PTRDIFF_TYPE): Define.
120 (LONG_DOUBLE_TYPE_SIZE): Define.
121 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
122 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
123 (TARGET_SECTION_TYPE_FLAGS): Define.
124 (ASM_DECLARE_FUNCTION_NAME): Define.
125 (ASM_OUTPUT_EXTERNAL): Define.
126 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
127 (ASM_OUTPUT_ALIGNED_BSS): Define.
128 (PCC_BITFIELD_TYPE_MATTERS): Define.
129 (USE_CONST_SECTION): Define.
130 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
131 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
132 (SUPPORTS_ONE_ONLY): Remove.
133 (I386_PE_STRIP_ENCODING): Define.
134 * config/interix.opt: Delete and move bits to..
135 * config/i386/interix.opt: ..here. New.
136 (mpe-aligned-commons): Add.
137 * config/i386/t-interix: Add copyright header.
138 (winnt-stubs.o): Add rule.
140 2012-01-22 Jason Merrill <jason@redhat.com>
142 PR c++/51832
143 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
144 for extra name aliases.
146 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
148 PR rtl-optimization/51924
149 * ree.c (combine_set_extension): Improve debugging message.
150 (combine_reaching_defs): Likewise.
151 (get_defs): Rename confusingly named variable.
152 (find_and_remove_re): Skip a candidate if the extension expression has
153 been modified.
155 2012-01-21 Robert Millan <rmh@gnu.org>
156 Gerald Pfeifer <gerald@pfeifer.com>
158 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
159 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
161 2012-01-20 Jakub Jelinek <jakub@redhat.com>
163 PR tree-optimization/51914
164 * tree-vect-stmts.c (vectorizable_conversion): For
165 cvt_type && modifier == WIDEN, put temporary with cvt_type
166 at the beginning of vec_dsts and set vec_dest to temporary
167 with vectype_out.
169 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
171 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
173 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
175 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
176 * config/rs6000/rs6000.c: Likewise.
178 2012-01-20 Jakub Jelinek <jakub@redhat.com>
180 PR target/51915
181 * config/arm/arm.c (arm_count_output_move_double_insns): Call
182 output_move_double on a copy of operands array.
184 2012-01-20 Cary Coutant <ccoutant@google.com>
185 Dodji Seketeli <dodji@redhat.com>
187 PR debug/45682
188 * dwarf2out.c (copy_declaration_context): Return ref to parent
189 of declaration DIE, if necessary.
190 (remove_child_or_replace_with_skeleton): Add new parameter; update
191 caller. Place skeleton DIE under parent DIE of original declaration.
192 Move call to copy_declaration_context to here ...
193 (break_out_comdat_types): ... from here.
195 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
197 PR rtl-optimization/51856
198 * reload.c (find_reloads_subreg_address): Set the address_reloaded
199 flag to reloaded.
201 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
203 PR target/51819
204 * config/arm/arm.c (arm_print_operand): Correct output of alignment
205 hints for neon loads and stores.
207 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
209 PR target/49868
210 PR target/50887
211 * doc/extend.texi (Named Address Spaces): Split into subsections.
212 (AVR Named Address Spaces): New subsection.
213 (M32C Named Address Spaces): New subsection.
214 (RL78 Named Address Spaces): New subsection.
215 (SPU Named Address Spaces): New subsection.
216 (Variable Attributes): New anchor "AVR Variable Attributes".
217 (AVR Variable Attributes): Rewrite and avoid wording
218 "address space" in this context.
219 * doc/invoke.texi (AVR Options): Rewrite and add documentation
220 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
221 (AVR Built-in Macros): New subsubsection therein.
222 * doc/md.texi (AVR constraints): Remove "C04", "R".
224 2012-01-20 Richard Guenther <rguenther@suse.de>
226 PR tree-optimization/51903
227 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
228 when removing stmts.
230 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
232 PR target/50313
233 * config/arm/arm.c (arm_load_pic_register): Use
234 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
235 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
236 (arm_pic_static_addr): Likewise.
237 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
238 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
239 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
240 (pic_load_addr_unified): New.
242 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
244 PR target/51106
245 * function.c (instantiate_virtual_regs_in_insn): Use
246 delete_insn_and_edges when removing a wrong asm insn.
248 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
250 PR rtl-optimization/40761
251 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
252 Add new member loop_num.
253 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
254 (ira_build): Remove the parameter.
256 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
257 (ira.c): Do not build CFG loops for one region allocation. Remove
258 argument from ira_build call.
260 * ira-build.c (init_loop_tree_node): New function.
261 (create_loop_tree_nodes): Use it. Separate the case when CFG
262 loops are not built.
263 (more_one_region_p): Check current_loops.
264 (finish_loop_tree_nodes): Separate the case when CFG loops are not
265 built.
266 (add_loop_to_tree): Process loop equal to NULL too.
267 (form_loop_tree): Separate the case when CFG loops are not built.
268 Use explicitly number for the root.
269 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
270 an assertion.
271 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
272 instead of loop->num.
273 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
274 (mark_all_loops_for_removal): Ditto.
275 (remove_unnecessary_regions): Separate the case when CFG loops
276 are not built.
277 (ira_build): Remove the parameter. Use explicit number of regions
278 when CFG loops are not built.
280 * ira-color.c (print_loop_title): Separate the case for the root node.
281 Use loop_num instead of loop->num.
282 (move_spill_restore): Use loop_num instead of loop->num.
284 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
285 (change_loop): Ditto.
286 (change_loop): Use loop_num instead of loop->num.
288 * ira-lives.c (process_bb_node_lives): Ditto.
290 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
292 * ira-conflicts.c (print_allocno_conflicts): Ditto.
294 2012-01-19 Jakub Jelinek <jakub@redhat.com>
296 PR libmudflap/40778
297 * tree-mudflap.c (mf_artificial): New function.
298 (execute_mudflap_function_ops, execute_mudflap_function_decls,
299 mx_register_decls, mudflap_enqueue_decl): Use it.
301 PR target/51876
302 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
303 numbers in the insn pattern.
305 2012-01-19 Michael Matz <matz@suse.de>
307 PR tree-optimization/46590
308 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
309 use it in remembering which conflicts we already created.
310 (add_scope_conflicts): Adjust call to above, (de)allocate helper
311 bitmap.
313 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
315 PR lto/51280
316 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
317 (merge_and_complain): Same.
319 2012-01-19 Jakub Jelinek <jakub@redhat.com>
321 PR bootstrap/50237
322 * config/initfini-array.h: Guard content of the header
323 with #ifdef HAVE_INITFINI_ARRAY.
324 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
325 Add initfini-array.h to tm_file here.
326 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
327 * config.gcc: Don't add initfini-array.h to tm_file here.
328 * configure: Regenerated.
330 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
332 PR rtl-optimization/51505
333 * df-problems.c (df_kill_notes): New parameter live. Update comment.
334 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
335 (df_note_bb_compute): Update the call to df_kill_notes.
337 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
339 * trans-mem.c (requires_barrier): Remove call to is_global_var.
341 2012-01-18 Richard Guenther <rguenther@suse.de>
343 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
344 of conversions to void *.
346 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
347 Richard Sandiford <rdsandiford@googlemail.com>
349 PR middle-end/50325
350 PR middle-end/51192
351 * optabs.h (simplify_expand_binop): Declare.
352 * optabs.c (simplify_expand_binop): Make global.
353 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
354 endian targets if the source cannot be exactly covered by word
355 mode chunks.
357 2012-01-17 Jakub Jelinek <jakub@redhat.com>
359 PR bootstrap/51872
360 * hard-reg-set.h (struct hard_reg_set_container): New type.
361 * target.h (struct hard_reg_set_container): Forward declare.
362 * target.def (set_up_by_prologue): New target hook.
363 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
364 * doc/tm.texi: Regenerated.
365 * function.c (thread_prologue_and_epilogue_insns): Change
366 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
367 Call targetm.set_up_by_prologue on it.
368 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
369 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
371 2012-01-17 Nick Clifton <nickc@redhat.com>
373 * config/rx/rx.c (rx_can_use_simple_return): New function.
374 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
375 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
377 2012-01-17 Richard Guenther <rguenther@suse.de>
379 PR middle-end/51782
380 * expr.c (expand_assignment): Take address-space information
381 from the address operand of MEM_REF and TARGET_MEM_REF.
382 (expand_expr_real_1): Likewise.
384 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
386 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
387 reload dump is requested.
389 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
391 PR other/51165
392 * trans-mem.c (requires_barrier): Call may_be_aliased.
394 2012-01-17 Jakub Jelinek <jakub@redhat.com>
396 PR tree-optimization/51877
397 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
398 call arguments and fndecls compare equal, instead return false if they
399 don't. Return true only if lhs1 and lhs2 are either both NULL, or
400 both SSA_NAMEs that are valueized the same, or they satisfy
401 operand_equal_p.
403 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
405 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
406 Solaris 11+.
407 * configure: Regenerate.
409 2012-01-16 Jan Hubicka <jh@suse.cz>
411 PR c/12245
412 PR c++/14179
413 * convert.c (convert_to_integer): Use fold_convert for
414 converting an INTEGER_CST to integer type.
416 2012-01-16 Jason Merrill <jason@redhat.com>
418 PR c++/14179
419 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
421 2012-01-16 Jakub Jelinek <jakub@redhat.com>
423 PR bootstrap/51860
424 * config/s390/s390.c (s390_chunkify_start): Don't skip
425 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
426 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
427 If insn is followed by NOTE_INSN_VAR_LOCATION or
428 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
429 Don't use location of note insns.
431 PR tree-optimization/51865
432 * tree-inline.c (tree_function_versioning): Call remap_decl
433 on DECL_RESULT whenever it has VOID_TYPE_P type.
435 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
437 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
438 for calls to locally-binding MIPS16 functions if only the return
439 type uses float regs.
441 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
442 Richard Sandiford <rdsandiford@googlemail.com>
444 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
445 (SYMBOL_32_HIGH): Likewise.
446 (mips_output_tls_reloc_directive): Declare.
447 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
448 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
449 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
450 (mips_lo_relocs, mips_hi_relocs): Make extern.
451 (mips16_stub_function): Move up file.
452 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
453 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
454 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
455 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
456 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
457 (mips_get_tp): Add MIPS16 support.
458 (mips_legitimize_tls_address): Remove MIPS16 sorry().
459 Generalize DTPREL and TPREL handling.
460 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
461 Add MIPS16 TLS support.
462 (mips_output_tls_reloc_directive): New function.
463 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
464 * config/mips/predicates.md (symbolic_operand_with_high)
465 (tls_reloc_operand): New predicates.
466 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
467 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
468 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
469 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
470 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
471 (*tls_get_tp_mips16_call_<mode>): Likewise.
473 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
475 PR rtl-optimization/51821
476 * recog.c (peep2_find_free_register): Determine clobbered registers
477 from insn pattern.
479 2012-01-14 Denis Chertykov <chertykov@gmail.com>
481 PR target/50925
482 * config/avr/avr-protos.h: Revert change of 2012-01-09.
483 * config/avr/avr.c: Likewise.
484 * config/avr/avr.h: Likewise.
486 2012-01-13 Ian Lance Taylor <iant@google.com>
488 PR c++/50012
489 * tree.h (TYPE_QUALS): Add cast to int.
490 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
492 2012-01-13 Ian Lance Taylor <iant@google.com>
494 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
495 comparing param_index to VEC_length result.
497 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
499 * c-decl.c: Do not include tree-mudflap.h
500 * tree-optimize.c: Likewise.
501 * Makefile.in: Update dependencies.
503 2012-01-13 Richard Guenther <rguenther@suse.de>
505 PR middle-end/8081
506 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
507 variable-sized result always use RSO.
509 2012-01-12 DJ Delorie <dj@redhat.com>
511 * cfgexpand.c (convert_debug_memory_address): Allow any valid
512 pointer type, not just the default pointer type.
514 2012-01-09 Richard Henderson <rth@redhat.com>
515 Denis Chertykov <chertykov@gmail.com>
517 PR target/50925
518 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
519 * config/avr/avr.c (avr_can_eliminate): Simplify.
520 (avr_initial_elimination_offset): Likewise.
521 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
522 (expand_epilogue): Likewise.
523 (avr_legitimize_address): Gut.
524 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
525 (avr_hard_regno_nregs): New.
526 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
527 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
528 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
529 add soft frame pointer.
530 (CALL_USED_REGISTERS): Likewise.
531 (REG_CLASS_CONTENTS): Likewise.
532 (REGISTER_NAMES): Likewise.
533 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
534 (HARD_FRAME_POINTER_REGNUM): New.
535 (FRAME_POINTER_REGNUM): Use soft frame pointer.
536 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
537 remove the HARD_FRAME_POINTER self-elimination.
539 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
541 PR target/51756
542 * config/avr/avr.c (avr_encode_section_info): Test for absence of
543 DECL_EXTERNAL when checking for initializers of progmem variables.
545 2012-01-12 Ira Rosen <irar@il.ibm.com>
547 PR tree-optimization/51799
548 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
549 that the last operation is a type demotion.
551 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
553 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
554 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
556 2012-01-11 Jakub Jelinek <jakub@redhat.com>
558 PR bootstrap/51796
559 * combine.c (distribute_notes): If i3 is a noreturn call,
560 allow old_size to be equal to args_size and make sure the
561 noreturn call gets REG_ARGS_SIZE note.
562 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
563 on noreturn calls even when the delta is 0.
565 2012-01-11 Nathan Sidwell <nathan@acm.org>
567 * gcov.c (STRING_SIZE): Remove.
568 (generate_results): Erase annotations for source files with no
569 coverage information.
570 (read_line): New.
571 (output_lines): Use it.
573 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
575 * gimple.h (gimplify_body): Remove first argument.
576 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
577 pointer set here, instead just pass DATA to walk_tree.
578 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
579 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
580 (unvisit_body): Likewise, but with unmark_visited.
581 (gimplify_body): Remove BODY_P argument and adjust.
582 (gimplify_function_tree): Adjust call to gimplify_body.
583 * omp-low.c (finalize_task_copyfn): Likewise.
585 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
587 * tree.h (build_function_decl_skip_args): Add boolean parameter.
588 (build_function_type_skip_args): Delete.
589 * tree.c (build_function_type_skip_args): Make static and add
590 SKIP_RETURN parameter. Fix thinko in the handling of variants.
591 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
592 pass it to build_function_type_skip_args.
593 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
594 (tree_function_versioning): Likewise.
595 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
596 build_function_decl_skip_args.
597 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
598 and pass it to build_function_decl_skip_args/tree_function_versioning.
599 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
600 * ipa-inline-transform.c (save_inline_function_body): Likewise.
601 * trans-mem.c (ipa_tm_create_version): Likewise.
602 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
603 * tree-inline.c (declare_return_variable): Remove always-true test.
604 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
605 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
606 * ipa-split.c (split_function): Skip the return value for the split
607 part if it doesn't return.
609 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
611 PR tree-optimization/49642
612 * ipa-split.c (forbidden_dominators): New variable.
613 (check_forbidden_calls): New function.
614 (dominated_by_forbidden): Likewise.
615 (consider_split): Check for forbidden dominators.
616 (execute_split_functions): Initialize and free forbidden
617 dominators info; call check_forbidden_calls.
619 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
621 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
623 2012-01-11 Nick Clifton <nickc@redhat.com>
625 * config/rx/rx.md (return): Define pattern.
627 2012-01-11 Richard Guenther <rguenther@suse.de>
629 * doc/extend.texi (malloc attribute): Adjust according to
630 implementation.
632 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
633 Patrick Marlier <patrick.marlier@gmail.com>
635 PR middle-end/51516
636 * trans-mem.c (get_cg_data): Traverse aliases if requested.
637 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
638 (ipa_tm_note_irrevocable): Same.
639 (ipa_tm_scan_irr_block): Same.
640 (ipa_tm_decrement_clone_counts): Same.
641 (ipa_tm_scan_irr_function): Same.
642 (ipa_tm_create_version_alias): Same.
643 (ipa_tm_create_version): Same.
644 (ipa_tm_transform_calls_redirect): Same.
645 (ipa_tm_transform_calls): Same.
646 (ipa_tm_transform_transaction): Same.
647 (ipa_tm_execute): Same.
649 2012-01-10 Richard Guenther <rguenther@suse.de>
651 PR middle-end/51806
652 * opts.c (common_handle_option): Handle -Werror.
654 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
656 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
657 operand number.
659 2012-01-10 Jason Merrill <jason@redhat.com>
661 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
662 information.
664 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
666 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
667 supports R_386_TLS_GD_PLT reloc.
668 (gcc_cv_as_ix86_tlsldmplt): Check if linker
669 supports R_386_TLS_LDM_PLT reloc.
670 * configure: Regenerate.
671 * config.in: Regenerate.
673 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
675 PR target/49868
676 Extend __pgmx semantics to linearize memory.
677 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
678 determine if code comes inline or from libgcc.
679 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
680 (movmem_qi, movmem_qi): Set constraint #2 to "n".
681 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
682 (movmemx_qi, movmemx_hi): New insns.
683 (xload_<mode>_libgcc): Rewrite to new insn condition.
684 (xload_<mode>): Remove insns.
685 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
686 cases that don't satisfy avr_xload_libgcc_p().
687 (avr_addr_space_convert): Allow converting in any direction.
688 (avr_addr_space_subset_p): Return always true.
689 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
690 (avr_emit_movmemhi): Ditto.
691 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
692 (avr_out_movmem): Ditto.
693 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
694 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
695 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
696 (avr_encode_section_info): Encode 'progmem' in symbol flags.
697 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
699 2012-01-10 Richard Guenther <rguenther@suse.de>
701 PR tree-optimization/50913
702 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
703 Require data-refs to be representable by Graphite with respect
704 to any loop nest.
706 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
708 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
709 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
711 2012-01-10 Tom de Vries <tom@codesourcery.com>
713 PR rtl-optimization/51271
714 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
715 handling annulled branch.
717 2012-01-10 Richard Henderson <rth@redhat.com>
719 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
720 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
721 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
722 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
723 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
724 arm_expand_vec_perm_const): New.
725 * config/arm/arm-protos.h: Update.
726 * config/arm/neon.md (UNSPEC_VCONCAT): New.
727 (*neon_vswp<VDQX>): New.
728 (neon_vcombine<VDX>): Use neon_split_vcombine.
729 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
730 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
731 (vec_perm<VE>): New.
733 2012-01-10 Richard Henderson <rth@redhat.com>
735 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
736 use it if reload_completed.
737 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
738 arm_output_asm_insn, arm_process_output_memory_barrier,
739 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
740 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
741 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
742 arm_process_output_sync_insn, arm_output_sync_insn,
743 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
744 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
745 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
746 (emit_unlikely_jump): New.
747 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
748 (arm_split_atomic_op): New.
749 * config/arm/arm-protos.h: Update.
750 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
751 (struct arm_sync_generator): Remove.
752 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
753 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
754 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
755 (VUNSPEC_LL, VUNSPEC_SC): New.
756 (sync_result, sync_memory, sync_required_value, sync_new_value,
757 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
758 (attr length): Don't use arm_sync_loop_insns.
759 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
760 (movsfcc, movdfcc): Likewise.
761 * config/arm/constraints.md (Ua): New.
762 * config/arm/prediates.md (mem_noofs_operand): New.
763 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
764 (sync_clobber, sync_t2_reqd): Remove.
765 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
766 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
767 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
768 (arm_sync_compare_and_swap<SIDI>): Remove.
769 (arm_sync_compare_and_swap<NARROW>): Remove.
770 (arm_sync_lock_test_and_set<SIDI>): Remove.
771 (arm_sync_lock_test_and_set<NARROW>): Remove.
772 (arm_sync_new_<syncop><SIDI>): Remove.
773 (arm_sync_new_<syncop><NARROW>): Remove.
774 (arm_sync_new_nand<SIDI>): Remove.
775 (arm_sync_new_nand<NARROW>): Remove.
776 (arm_sync_old_<syncop><SIDI>): Remove.
777 (arm_sync_old_<syncop><NARROW>): Remove.
778 (arm_sync_old_nand<SIDI>): Remove.
779 (arm_sync_old_nand<NARROW>): Remove.
780 (*memory_barrier): Merge arm_output_memory_barrier.
781 (atomic_compare_and_swap<QHSD>): New.
782 (atomic_compare_and_swap<NARROW>_1): New.
783 (atomic_compare_and_swap<SIDI>_1): New.
784 (atomic_exchange<QHSD>): New.
785 (cas_cmp_operand, cas_cmp_str): New.
786 (atomic_op_operand, atomic_op_str): New.
787 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
788 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
789 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
790 (arm_load_exclusive<NARROW>): New.
791 (arm_load_exclusivesi, arm_load_exclusivedi): New.
792 (arm_store_exclusive<QHSD>): New.
794 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
796 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
797 reload patterns if -mvsx-scalar-memory.
799 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
800 generated, even -mno-vsx-scalar-double was used.
801 (vsx_xscvdpsp_scalar): Likewise.
802 (vsx_xscvspdp_scalar2): Likewise.
804 2012-01-09 Tom de Vries <tom@codesourcery.com>
805 Andrew Pinski <apinski@cavium.com>
807 PR debug/51471
808 * reorg.c (fill_slots_from_thread): Don't speculate
809 frame-related insns.
811 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
813 * sched-int.h (bb_note): Move to...
814 * basic-block.h: ...here.
815 * haifa-sched.c (bb_note): Move to...
816 * cfgrtl.c: ...here.
817 * function.c (next_block_for_reg): New function.
818 (move_insn_for_shrink_wrap): Likewise.
819 (prepare_shrink_wrap): Rewrite to use the above.
821 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
823 * gimple.c (is_gimple_non_addressable): Remove.
824 * gimple.h: Remove is_gimple_non_addressable.
825 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
826 is_gimple_non_addressable.
827 * trans-mem.c (expand_assign_tm): Same.
829 2012-01-09 Richard Guenther <rguenther@suse.de>
831 PR tree-optimization/51775
832 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
833 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
835 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
837 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
838 tuning parameters.
839 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
841 2012-01-09 Richard Guenther <rguenther@suse.de>
843 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
845 2012-01-08 Jan Hubicka <jh@suse.cz>
847 PR tree-optimize/51680
848 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
849 on when known_vals needs to be computed; cleanup.
851 2012-01-08 Jan Hubicka <jh@suse.cz>
853 PR tree-optimize/51694
854 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
856 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
858 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
859 for -std=c++98 and -std=c++11 too.
861 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
863 * cfgloop.c (cancel_loop): Add free() of bbs array.
865 2012-01-07 Jan Hubicka <jh@suse.cz>
867 PR tree-optimization/51600
868 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
869 that benefits small functions.
871 2012-01-07 Jan Hubicka <jh@suse.cz>
873 * ipa-inline.c (want_inline_small_function_p): Fix formating.
875 2012-01-07 Jan Hubicka <jh@suse.cz>
877 PR tree-optimization/51680
878 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
879 whose inlining reduce unit size.
881 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
883 PR bootstrap/51725
884 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
885 Add canonical node to containing_mem chain after the non-canonical
886 one, even if there weren't any locs to propagate.
887 (remove_useless_values): Keep only canonical values.
888 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
889 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
890 canonicalize mem_chain elements that are not discarded.
892 2012-01-06 Jakub Jelinek <jakub@redhat.com>
894 PR target/47333
895 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
896 before emitting functions.
898 PR gcov-profile/50127
899 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
900 clear_aux_for_blocks.
902 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
904 PR debug/51746
905 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
907 2012-01-06 Arnaud Charlet <charlet@adacore.com>
909 * c-decl.c (ext_block): Moved up.
910 (collect_all_refs, for_each_global_decl): Take ext_block into account.
912 2012-01-06 Han Shen <shenhan@google.com>
914 Translate built-in include paths for sysroot.
915 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
916 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
918 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
919 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
921 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
922 control whether sysroot should be prepended to gxx include dir.
924 * configure: Regenerate.
926 2012-01-06 Torvald Riegel <triegel@redhat.com>
928 PR rtl-optimization/51771
929 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
930 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
932 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
934 PR tree-optimization/51315
935 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
936 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
938 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
940 PR target/51681
941 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
942 for shrp pattern. Correctly handle and fixup shift variable.
943 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
945 2012-01-05 Jakub Jelinek <jakub@redhat.com>
947 PR debug/51762
948 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
949 note when !ACCUMULATE_OUTGOING_ARGS.
951 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
953 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
954 condition.
955 (extract_range_from_unary_expr_1): Avoid useless computations.
957 2012-01-05 Jakub Jelinek <jakub@redhat.com>
959 PR rtl-optimization/51767
960 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
961 of jump_block and add an extra edge for degenerated asm gotos.
963 PR middle-end/51768
964 * stmt.c (check_unique_operand_names): Don't ICE during error
965 reporting if i is from labels chain.
967 PR middle-end/44777
968 * profile.c (branch_prob): Split bbs that have exit edge
969 and need a fake entry edge too.
971 2012-01-05 Jan Hubicka <jh@suse.cz>
973 PR middle-end/49710
974 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
975 unlooping loops.
977 2012-01-05 Richard Guenther <rguenther@suse.de>
979 PR lto/50490
980 * tree-streamer-out.c (write_ts_optimization): New function.
981 (streamer_write_tree_body): Call it.
982 * tree-streamer-in.c (lto_input_ts_optimization): New function.
983 (streamer_read_tree_body): Call it.
984 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
986 2012-01-05 Jakub Jelinek <jakub@redhat.com>
988 PR middle-end/51761
989 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
990 * gimplify.c (gimplify_cleanup_point_expr): Save and set
991 in_cleanup_point_expr before gimplify_stmt call and restore it
992 afterwards.
993 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
994 in_cleanup_point_expr is false.
996 2012-01-05 Richard Guenther <rguenther@suse.de>
998 PR middle-end/51764
999 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
1000 to c.opt.
1001 * toplev.c (process_options): Reject combining mudflap and LTO.
1002 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
1004 2012-01-05 Richard Guenther <rguenther@suse.de>
1006 PR tree-optimization/51760
1007 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
1008 not VARYING.
1009 (bit_value_unop): Handle UNDEFINED operands.
1010 (bit_value_binop): Likewise.
1012 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
1014 * config/avr/avr.c (avr_replace_prefix): Remove.
1015 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
1016 (avr_asm_function_rodata_section): Ditto.
1017 (avr_asm_select_section): Ditto.
1019 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
1021 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
1022 insertion.
1024 2012-01-05 Jakub Jelinek <jakub@redhat.com>
1026 PR bootstrap/51648
1027 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
1028 calls that have any non-fake successor edges.
1030 PR debug/51746
1031 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
1033 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
1035 PR tree-optimization/51624
1036 * tree-sra.c (build_ref_for_model): When replicating a chain of
1037 COMPONENT_REFs, stop as soon as the offset would become negative.
1039 2012-01-04 Jakub Jelinek <jakub@redhat.com>
1041 PR debug/51695
1042 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
1043 in .debug_loc on the floor.
1045 2012-01-04 Andrew Pinski <apinski@cavium.com>
1047 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
1049 2012-01-04 Andrew Pinski <apinski@cavium.com>
1050 Adam Nemet <anemet@caviumnetworks.com>
1052 * config/mips/mips.md (size): Add SI and DI.
1053 (SIZE): New mode attribute.
1054 (U): New code attribute.
1055 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
1056 (mips_lbux_<mode>): Delete.
1057 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
1058 (mips_lhx): Use gen_mips_lhx_extsi.
1059 (mips_lhx_<mode>): Delete.
1060 (mips_lwx): Delete.
1061 (mips_l<size>x): New expand.
1062 (mips_lwx_<mode>): Delete.
1063 (mips_l<GPR:size>x_<P:mode>): New pattern.
1064 (*mips_lw<u>x_<P:mode>_ext): Likewise.
1065 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
1066 * config/mips/mips.c (mips_lx_address_p): New function.
1067 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
1068 (dsp64): New availability predicate.
1069 (mips_builtins): Add an entry for __builtin_mips_ldx.
1070 * config/mips/mips.h (ISA_HAS_LBX): New define.
1071 (ISA_HAS_LBUX): Likewise.
1072 (ISA_HAS_LHX): Likewise.
1073 (ISA_HAS_LHUX): Likewise.
1074 (ISA_HAS_LWX): Likewise.
1075 (ISA_HAS_LWUX): Likewise.
1076 (ISA_HAS_LDX): Likewise.
1077 * doc/extend.texi (__builtin_mips_ldx): Document.
1079 2012-01-04 Tristan Gingold <gingold@adacore.com>
1081 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
1082 when long pointers are used.
1083 * config.build (*-*-*vms*): Handle all OpenVMS targets.
1084 (alpha64-dec-*vms*, alpha*-dec-*vms*)
1085 (ia64-hp-*vms*): Remove.
1086 * config/vms/xm-vms64.h: Delete.
1088 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1090 PR middle-end/51472
1091 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
1093 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1095 * opts.c (finish_options): Remove duplicate sorry.
1097 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
1099 PR middle-end/51696
1100 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
1101 correctly.
1103 2012-01-04 Richard Guenther <rguenther@suse.de>
1105 PR middle-end/51750
1106 * tree.c (size_low_cst): New function.
1107 * tree.h (size_low_cst): Declare.
1108 * fold-const.c (fold_comparison): Use it to extract the low
1109 part of the POINTER_PLUS_EXPR offset.
1111 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
1113 Fix clearing ZERO_REG
1114 * config/avr/avr.md (cc): Add alternative "ldi".
1115 (movqi_insn): Use it in cc attribute.
1116 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
1117 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
1118 (output_reload_insisf): Use ZERO_REG to pre-clear register.
1120 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1122 * configure: Regenerate.
1124 2012-01-04 Richard Guenther <rguenther@suse.de>
1126 PR tree-optimization/49651
1127 * tree-ssa-structalias.c (type_can_have_subvars): New function.
1128 (var_can_have_subvars): Use it.
1129 (get_constraint_for_1): Only consider subfields if there can be any.
1131 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1133 PR bootstrap/51725
1134 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
1135 to its new canonical_cselib_val and the cselib_val was in
1136 first_containing_mem chain, but the canonical_cselib_val was not,
1137 add the latter into the chain.
1138 (cselib_invalidate_mem): Compare canonical_cselib_val of
1139 addr_list chain elt with v.
1141 PR pch/51722
1142 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
1143 dwarf2out_undef): Allocate e.info using ggc_strdup instead
1144 of xstrdup.
1145 (output_macinfo_op): Don't ggc_strdup fd->filename.
1146 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
1147 then ggc_strdup it. Don't free inc->info or cur->info.
1148 (output_macinfo): Don't free ref->info or file->info.
1150 2012-01-03 Ira Rosen <irar@il.ibm.com>
1152 PR tree-optimization/51269
1153 * tree-vect-loop-manip.c (set_prologue_iterations): Make
1154 first_niters a pointer.
1155 (slpeel_tree_peel_loop_to_edge): Likewise.
1156 (vect_do_peeling_for_loop_bound): Update call to
1157 slpeel_tree_peel_loop_to_edge.
1158 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
1159 here. Remove it from the parameters list.
1160 (vect_do_peeling_for_alignment): Update calls and compute
1161 wide_prolog_niters.
1163 2012-01-03 Richard Guenther <rguenther@suse.de>
1165 PR tree-optimization/51070
1166 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
1167 Properly handle calls.
1169 2012-01-03 Richard Guenther <rguenther@suse.de>
1171 PR tree-optimization/51692
1172 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
1173 the LHS of allocation stmts.
1175 2012-01-03 Olivier Hainque <hainque@adacore.com>
1177 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
1179 2012-01-03 Olivier Hainque <hainque@adacore.com>
1181 * collect2.c (main): In AIX specific computations for vector
1182 insertions, use CONST_CAST2 to cast from char ** to const char **.
1184 2012-01-03 Richard Guenther <rguenther@suse.de>
1186 PR debug/51650
1187 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
1188 the context of a limbo DIE when it does not already exist.
1190 2012-01-03 Jakub Jelinek <jakub@redhat.com>
1192 PR tree-optimization/51719
1193 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
1194 but direct call is, clear direct call's lhs and don't add fallthrough
1195 edge from dcall_bb to join_bb and PHIs.
1197 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1199 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
1200 the instructions emitted by the pattern.
1201 ("*TDC_insn_<mode>"): Add comment.
1203 2012-01-03 Richard Guenther <rguenther@suse.de>
1205 PR middle-end/51730
1206 * fold-const.c (fold_comparison): Properly canonicalize
1207 tree offset and HOST_WIDE_INT bit position.
1209 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
1211 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
1212 operands for extzv pattern.
1214 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1216 PR bootstrap/51725
1217 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
1218 on mem_elt first.
1220 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
1222 * doc/invoke.texi (-flto and related options): Copy-edit.
1224 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1226 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
1228 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1230 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
1231 New patterns.
1233 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
1235 * expr.h (move_by_pieces_ninsns): Declare.
1236 * expr.c (move_by_pieces_ninsns): Make external.
1237 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
1238 (mips_store_by_pieces_p): Likewise.
1239 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
1240 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
1241 * config/mips/mips.c (mips_move_by_pieces_p): New function.
1242 (mips_store_by_pieces_p): Likewise.
1244 2012-01-02 Jakub Jelinek <jakub@redhat.com>
1246 * passes.c (register_one_dump_file): Free full_name.
1248 * reload1.c (reload): Don't allocate reg_max_ref_width here.
1249 (calculate_elim_costs_all_insns): Free offsets_at and
1250 offsets_known_at at the end and clear the pointers.
1252 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1254 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
1255 this option introduced in r180739.
1257 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1259 PR target/51345
1260 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
1261 (tmake_file target=avr): Add avr/t-multilib.
1263 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
1264 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
1265 * config/avr/genmultilib.awk: New file.
1266 * config/avr/t-multilib: New auto-generated file.
1267 * config/avr/multilib.h: New auto-generated file.
1268 * config/avr/t-avr (AVR_MCUS): New variable.
1269 (genopt.sh): Use it.
1270 (s-mlib): Depend on t-multilib.
1271 (t-multilib, multilib.h): New dependencies.
1272 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
1273 (MULTILIB_OPTIONS): Remove.
1274 (MULTILIB_MATCHES): Remove.
1275 (MULTILIB_DIRNAMES): Remove.
1276 (MULTILIB_EXCEPTIONS): Remove:
1277 * config/avr/genopt.sh: Don't use hard coded file name;
1278 pass AVR_MCUS from t-avr instead.
1280 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1282 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
1284 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
1286 Implement light-weight DImode support.
1287 * config/avr/avr-dimode.md: New file.
1288 * config/avr/avr.md: Include it.
1289 (adjust_len): Add plus64, compare64.
1290 (HIDI): Remove code iterator.
1291 (code_stdname): New code attribute.
1292 (rotx, rotsmode): Remove DI.
1293 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
1294 as code iterator.
1295 * config/avr/avr-protos.h (avr_have_dimode): New.
1296 (avr_out_plus64, avr_out_compare64): New.
1297 * config/avr/avr.c (avr_out_compare): Handle DImode.
1298 (avr_have_dimode): New variable definition and initialization.
1299 (avr_out_compare64, avr_out_plus64): New functions.
1300 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
1301 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
1302 (avr_compare_pattern): Skip DImode comparisons.
1304 2012-01-02 Revital Eres <revital.eres@linaro.org>
1306 * ddg.c (def_has_ccmode_p): New function.
1307 (add_cross_iteration_register_deps,
1308 create_ddg_dep_from_intra_loop_link): Call it.
1310 2012-01-02 Richard Guenther <rguenther@suse.de>
1312 PR other/51679
1313 * invoke.texi (fassociative-math): Remove spurious paranthesis.
1315 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1317 * gcc.c (process_command): Update copyright notice dates.
1318 * gcov.c (print_version): Likewise.
1319 * gcov-dump.c (print_version): Likewise.
1320 * mips-tfile.c (main): Likewise.
1321 * mips-tdump.c (main): Likewise.
1323 2012-01-01 Ira Rosen <irar@il.ibm.com>
1325 PR tree-optimization/51704
1326 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
1327 a use is inside the basic block or loop before accessing its vect info.
1329 2012-01-01 Jan Hubicka <jhjh@suse.cz>
1331 PR rtl-optimization/51069
1332 * cfgloopmanip.c (remove_path): Removing path making irreducible
1333 region unconditional makes BB part of the region.
1335 2012-01-01 Jakub Jelinek <jakub@redhat.com>
1337 PR tree-optimization/51683
1338 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
1339 calls with side-effects.
1340 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
1341 \f
1342 Copyright (C) 2012 Free Software Foundation, Inc.
1344 Copying and distribution of this file, with or without modification,
1345 are permitted in any medium without royalty provided the copyright
1346 notice and this notice are preserved.