1 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3 * doc/install.texi (Prerequisites): Fix grammar.
4 (Configuration): Likewise.
6 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
8 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
9 MPC as part of GCC before describing configuring with --with-gmp etc.
10 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
13 2012-02-14 Jakub Jelinek <jakub@redhat.com>
16 * dwarf2out.c (clone_tree_hash): New function.
17 (copy_decls_walk): Use it instead of clone_tree.
19 2012-02-14 Richard Guenther <rguenther@suse.de>
21 PR tree-optimization/52244
22 PR tree-optimization/51528
23 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
24 replacements for integral types.
26 2012-02-14 Walter Lee <walt@tilera.com>
28 * config.gcc: Handle tilegx and tilepro.
29 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
31 Add HAVE_AS_TLS check for tilegx and tilepro.
32 * configure: Regenerate.
33 * doc/contrib.texi: Add Mat Hostetter and self.
34 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
35 Document instruction intrinsics and network accessing intrinsics.
36 (TILEPro Built-in Functions): New node. Document instruction
37 intrinsics and network accessing intrinsics.
38 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
39 (Specific, tilepro-*-linux*): Likewise.
40 * doc/invoke.texi (TILE-Gx Options): New section.
41 (TILEPro Options): New section.
42 * doc/md.texi (TILE-Gx): New section.
43 (TILEPro): New section.
44 * common/config/tilegx/tilegx-common.c: New file.
45 * common/config/tilepro/tilepro-common.c: New file.
46 * config/tilegx/constraints.md: New file.
47 * config/tilegx/linux.h: New file.
48 * config/tilegx/mul-tables.c: New file.
49 * config/tilegx/predicates.md: New file.
50 * config/tilegx/sync.md: New file.
51 * config/tilegx/t-tilegx: New file.
52 * config/tilegx/tilegx-builtins.h: New file.
53 * config/tilegx/tilegx-c.c: New file.
54 * config/tilegx/tilegx-generic.md: New file.
55 * config/tilegx/tilegx-modes.def: New file.
56 * config/tilegx/tilegx-multiply.h: New file.
57 * config/tilegx/tilegx-protos.h: New file.
58 * config/tilegx/tilegx.c: New file.
59 * config/tilegx/tilegx.h: New file.
60 * config/tilegx/tilegx.md: New file.
61 * config/tilegx/tilegx.opt: New file.
62 * config/tilepro/constraints.md: New file.
63 * config/tilepro/gen-mul-tables.cc: New file.
64 * config/tilepro/linux.h: New file.
65 * config/tilepro/mul-tables.c: New file.
66 * config/tilepro/predicates.md: New file.
67 * config/tilepro/t-tilepro: New file.
68 * config/tilepro/tilepro-builtins.h: New file.
69 * config/tilepro/tilepro-c.c: New file.
70 * config/tilepro/tilepro-generic.md: New file.
71 * config/tilepro/tilepro-modes.def: New file.
72 * config/tilepro/tilepro-multiply.h: New file.
73 * config/tilepro/tilepro-protos.h: New file.
74 * config/tilepro/tilepro.c: New file.
75 * config/tilepro/tilepro.h: New file.
76 * config/tilepro/tilepro.md: New file.
77 * config/tilepro/tilepro.opt: New file.
79 2012-02-14 Jakub Jelinek <jakub@redhat.com>
81 PR tree-optimization/52210
82 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
83 vect_model_simple_cost with two entry vect_def_type array instead
86 2012-02-14 Richard Guenther <rguenther@suse.de>
89 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
90 Do not stream DECL_QUALIFIER.
91 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
92 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
93 (find_decls_types_r): Do not walk DECL_QUALIFIER.
95 2012-02-14 Jakub Jelinek <jakub@redhat.com>
98 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
101 2012-02-13 Jakub Jelinek <jakub@redhat.com>
104 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
105 * cselib.c (cselib_subst_to_values_from_insn): New function.
106 * sched-deps.c (add_insn_mem_dependence,
107 sched_analyze_1, sched_analyze_2): Use it.
109 2012-02-13 Jan Hubicka <jh@suse.cz>
112 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
114 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
116 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
117 (GTM_SELF_SPECS): Define if not already defined.
118 (driver_self_specs): Add GTM_SELF_SPECS.
119 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
120 (GTM_SELF_SPECS): Define.
121 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
122 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
124 2012-02-13 Jakub Jelinek <jakub@redhat.com>
126 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
129 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
133 * omp-low.c (expand_omp_for): If a static schedule without
134 chunk size has NULL region->cont, force fd.chunk_size to be
137 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
140 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
142 2012-02-13 Richard Guenther <rguenther@suse.de>
145 * passes.c (enable_disable_pass): Fix typo.
147 2012-02-13 Jakub Jelinek <jakub@redhat.com>
150 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
151 XOR for reduce_bit_field if type is unsigned.
153 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
155 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
156 disallow changes from SFmode to mode with different size in FP regs.
158 2012-02-12 Robert Millan <rmh@gnu.org>
159 Gerald Pfeifer <gerald@pfeifer.com>
161 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
164 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
166 PR rtl-optimization/52175
167 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
168 to frame-related instructions.
170 2012-02-10 Jason Merrill <jason@redhat.com>
173 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
174 (demangle_new_symbols): Fill it.
175 (scan_linker_output): Walk it.
176 (start_tweaking): Split out from scan_linker_output.
177 (maybe_tweak): Update sym->chosen.
178 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
180 2012-02-11 Jakub Jelinek <jakub@redhat.com>
183 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
186 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
188 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
189 having the same mode as previous compare.
191 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
193 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
194 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
195 (nonlocal_goto_internal): Likewise.
196 (nonlocal_goto): Emit a use and an indirect jump directly.
198 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
201 * doc/extend.texi : Update comments for __atomic_compare_exchange and
202 __atomic_{is,always}_lock_free.
204 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
207 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
208 negative constant address for x32.
210 2012-02-10 Richard Henderson <rth@redhat.com>
212 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
213 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
214 for GIMPLE_TRANSACTION. Tidy if's into a switch.
216 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
217 Ira Rosen <irar@il.ibm.com>
219 PR tree-optimization/50031
220 * targhooks.c (default_builtin_vectorization_cost): Handle
222 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
223 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
224 all types of reduction and pattern statements.
225 (vect_estimate_min_profitable_iters): Likewise.
226 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
227 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
228 for explicit realigns.
229 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
230 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
232 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
233 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
234 vec_perm for VSX and handle vec_promote_demote.
236 2012-02-10 Jakub Jelinek <jakub@redhat.com>
239 * builtins.c (fold_builtin_atomic_always_lock_free,
240 expand_builtin_atomic_always_lock_free,
241 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
242 Return and/or test boolean_true_node/boolean_false_node instead of
243 integer_one_node/integer_zero_node.
245 2012-02-10 Jan Hubicka <jh@suse.cz>
248 * predict.c (predict_paths_for_bb): Prevent looping.
249 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
251 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
253 * config/arm/arm.c (output_move_double): In one case properly
254 count number of instructions that will be emitted.
256 2012-02-10 Richard Guenther <rguenther@suse.de>
259 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
261 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
264 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
266 2012-02-09 Jakub Jelinek <jakub@redhat.com>
269 * var-tracking.c (emit_note_insn_var_location): If
270 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
271 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
272 non-NOTE_DURING_CALL_P insn.
274 2012-02-09 Bin Cheng <bin.cheng@arm.com>
277 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
279 2012-02-08 Magnus Granberg <zorry@gentoo.org>
282 * gcc.c (switch_matches) Support switches with separated form,
285 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
287 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
290 * config/avr/avr.c (avr_addr_t): New typedef.
291 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
292 (avr_init_expanders): Initialize it.
293 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
295 (expand_epilogue): Ditto.
296 (avr_print_operand): Ditto.
297 (avr_file_start): Ditto.
298 (avr_emit_movmemhi): Ditto.
300 2012-02-08 Richard Guenther <rguenther@suse.de>
302 PR tree-optimization/46886
303 * tree-flow.h (do_while_loop_p): Declare.
304 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
305 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
307 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
309 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
310 always succeed for integers larger than a native word.
312 2012-02-08 Richard Guenther <rguenther@suse.de>
314 PR rtl-optimization/52170
315 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
316 properly handle integer vector modes.
318 2012-02-08 Jakub Jelinek <jakub@redhat.com>
320 PR gcov-profile/52150
321 * coverage.c: Include target.h.
322 (build_var): Call targetm.strip_name_encoding on the assembler name.
323 Change one _ into . or $ if the target allows it.
324 * Makefile.in (coverage.o): Depend on $(TARGET_H).
326 PR rtl-optimization/52139
327 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
328 is a BARRIER after emit_insn_after_noloc, move BB_END
329 to the last non-BARRIER insn before it.
331 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
334 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
335 (mips_gimplify_va_arg_expr): Call it instead of
336 std_gimplify_va_arg_expr.
338 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
340 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
341 message for -mno-pointers-to-nested-function.
343 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
346 * expr.c (get_inner_reference): If there is an offset, add a negative
347 bit position to it (if any).
349 2012-02-07 Jakub Jelinek <jakub@redhat.com>
351 PR rtl-optimization/52060
352 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
353 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
354 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
355 and/or i0src_copy2 when needed.
357 2012-02-07 Jakub Jelinek <jakub@redhat.com>
359 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
360 or LTOPLUGINSONAME if have_c.
362 * config/freebsd-spec.h: Add comment about what macros can be defined
364 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
365 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
368 2012-02-07 Richard Guenther <rguenther@suse.de>
370 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
371 newline in -alias dumps.
373 2012-02-07 Kai Tietz <ktietz@redhat.com>
374 Dave Korn <dave.korn.cygwin@gmail.com>
377 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
378 Take care that typinfo gets dllexport-attribute.
380 2012-02-07 Jakub Jelinek <jakub@redhat.com>
383 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
384 if modifier < EXPAND_SUM call force_operand on the result.
386 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
388 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
389 adding __forwarder_dst__ prefix if a forwarder_section attribute is
391 (epiphany_function_type): Replace types for specific interrupts with
392 EPIPHANY_FUNCTION_INTERRUPT.
393 (EPIPHANY_INTERRUPT_P): Update.
394 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
396 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
397 <disinterrupt>: Affects type identity.
398 (epiphany_handle_interrupt_attribute): Handle variable number of
400 (epiphany_compute_function_type): Update for new
401 epiphany_function_type definition.
402 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
403 handlers with a longcall forwarder.
404 (epiphany_start_function): Handle multiple interrupt arguments and/or
405 forwarder_section attribute.
407 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
410 2012-02-07 Alan Modra <amodra@gmail.com>
413 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
416 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
418 PR tree-optimization/50969
419 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
420 use vec_perm rather than vector_stmt.
421 (vect_model_load_cost): Likewise.
422 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
423 vec_perm to be the same as other vector statements.
424 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
425 cost of vec_perm for TARGET_VSX.
427 2012-02-06 Richard Guenther <rguenther@suse.de>
429 PR tree-optimization/52115
430 * tree-sra.c (access_has_replacements_p): New function.
431 (sra_modify_assign): Use it to decide whether a use is uninitialized.
433 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
436 * trans-mem.c (expand_call_tm): Add an assertion.
437 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
440 2012-02-06 Richard Guenther <rguenther@suse.de>
442 PR tree-optimization/50955
443 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
444 raise cost of expressions that replace an address with an
445 expression based on a different pointer.
447 2012-02-06 Jakub Jelinek <jakub@redhat.com>
450 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
451 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
453 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
456 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
457 -Weffc++ and specify guidelines come from second edition.
459 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
461 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
462 (sibcall_value_multiple_internal, call_split, call_internal_direct)
463 (call_direct_split, call_value_split, call_value_internal_direct)
464 (call_value_direct_split, call_value_multiple_split): Use jal and
465 jal_macro attributes.
467 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
469 * reload1.c (reload_regs_reach_end_p): Replace with...
470 (reload_reg_rtx_reaches_end_p): ...this function.
471 (new_spill_reg_store): Update commentary.
472 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
473 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
474 before setting new_spill_reg_store.
475 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
476 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
477 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
478 for non-spill reload registers.
480 2012-02-05 Ira Rosen <irar@il.ibm.com>
482 PR tree-optimization/52091
483 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
484 (vect_is_simple_use_1): Likewise.
485 * tree-vect-loop.c (vectorizable_reduction): Update calls
486 to vect_is_simple_use_1 and vect_is_simple_use.
487 (vectorizable_live_operation): Likewise.
488 * tree-vect-patterns.c (widened_name_p,
489 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
490 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
491 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
492 vectorizable_shift,vectorizable_operation, vectorizable_store,
493 vectorizable_load): Likewise.
494 (vect_is_simple_cond): Add an argument, pass it to
495 vect_is_simple_use_1.
496 (vectorizable_condition): Update calls to vect_is_simple_cond,
498 (vect_is_simple_use): Add an argument, the statement in which
499 OPERAND is used. Check that if OPERAND's def stmt is a double
500 reduction phi node, the use is a phi node too.
501 (vect_is_simple_use_1): Add an argument, pass it to
503 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
504 to vect_is_simple_use.
506 2012-02-04 Jakub Jelinek <jakub@redhat.com>
508 PR rtl-optimization/52095
509 * modulo-sched.c (dump_insn_locator): New function.
510 (loop_canon_p, sms_schedule): Use it.
512 PR rtl-optimization/52113
513 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
514 even for decomposable shift/zext insns.
516 2012-02-03 Jakub Jelinek <jakub@redhat.com>
517 Zdenek Dvorak <ook@ucw.cz>
519 PR rtl-optimization/52092
520 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
521 on get_iv_value result.
523 2012-02-02 Andrew Pinski <apinski@cavium.com>
527 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
529 2012-02-02 Jakub Jelinek <jakub@redhat.com>
532 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
534 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
536 PR rtl-optimization/49800
537 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
538 (sched_finish): Call regstat_free_n_sets_and_refs.
540 2012-02-02 Jia Liu <proljc@gmail.com>
542 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
545 2012-02-02 Jan Hubicka <jh@suse.cz>
546 Tom de Vries <tom@codesourcery.com>
549 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
550 * varpool.c (varpool_analyze_pending_decls): Likewise.
552 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
553 Jayant R Sonar <jayant.sonar@kpitcummins.com>
555 * config.gcc: Add cr16-* support.
557 * doc/extend.texi: Document cr16 extensions.
558 * doc/install.texi: Document cr16 install.
559 * doc/invoke.texi: Document cr16 options.
560 * doc/md.texi: Document cr16 constraints.
562 * common/config/cr16/cr16-common.c: New file.
563 * config/cr16/cr16.c: New file.
564 * config/cr16/cr16.h: New file.
565 * config/cr16/cr16.md: New file.
566 * config/cr16/cr16.opt: New file.
567 * config/cr16/cr16-protos.h: New file.
568 * config/cr16/predicates.md: New file.
569 * config/cr16/constraints.md: New file.
570 * config/cr16/t-cr16: New file.
572 2012-02-02 Jakub Jelinek <jakub@redhat.com>
575 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
576 that operands[2] is either immediate, or q_regs_operand.
578 PR tree-optimization/52073
579 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
580 a pattern stmt for pattern uses, ignore uses outside of the loop.
582 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
584 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
585 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
586 (OUT_AS1, OUT_AS2): Remove.
588 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
590 PR rtl-optimization/51374
591 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
592 to cross other volatile_refs_p insns.
594 2012-02-01 Richard Guenther <rguenther@suse.de>
596 * doc/invoke.texi (fno-inline): Clarify documentation.
597 (finline-small-functions): Likewise.
598 (finline-functions): Likewise.
599 * common.opt (finline): Adjust comment and documentation.
600 (finline-small-functions): Clarify documentation.
601 (finline-functions): Likewise.
602 (finline-functions-called-once): Likewise.
604 2012-02-01 Tristan Gingold <gingold@adacore.com>
606 * c-typeck.c (composite_type): Keep mode for pointers.
608 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
610 * function.h (regno_reg_rtx): Adjust comment.
611 * reginfo.c (init_reg_modes_target): Only use the previous mode
612 if it fits within one register. Remove MIPS comment.
614 2012-01-31 Jakub Jelinek <jakub@redhat.com>
617 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
619 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
621 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
624 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
626 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
628 2012-01-31 Jakub Jelinek <jakub@redhat.com>
633 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
635 2012-01-31 Richard Guenther <rguenther@suse.de>
637 PR tree-optimization/51528
638 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
641 2012-01-31 Jakub Jelinek <jakub@redhat.com>
646 * ree.c (add_removable_extension): Change def_map argument
647 to unsigned *, store in def_map 1 + offset into *insn_list vector
648 instead of pointers into the vector.
649 (find_removable_extensions): Adjust caller.
651 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
653 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
654 Transform all "* quoted-c-code" to { c-code }.
655 Remove redundant test for "optimize" in combine patterns.
656 Move (include "avr-dimode.md") to end of file.
658 2012-01-30 Bin Cheng <bin.cheng@arm.com>
661 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
662 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
664 2012-01-30 Richard Guenther <rguenther@suse.de>
666 PR tree-optimization/52028
667 * tree-loop-distribution.c (ldist_gen): Properly update
670 2012-01-30 Jakub Jelinek <jakub@redhat.com>
673 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
674 set_cur_line_info_table if not emitting debug info.
676 PR tree-optimization/52046
677 * tree-vect-patterns.c (check_bool_pattern): Give up if
678 a comparison could throw.
681 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
683 2012-01-30 Richard Guenther <rguenther@suse.de>
685 PR tree-optimization/52045
686 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
687 SSA form if cfgcleanup did anything.
689 2012-01-30 Richard Guenther <rguenther@suse.de>
691 PR tree-optimization/52045
692 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
693 before computing final todo.
695 2012-01-30 Richard Guenther <rguenther@suse.de>
697 PR tree-optimization/51528
698 * tree-sra.c (sra_modify_assign): Re-factor in preparation
701 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
703 * df-problems.c (df_kill_notes): Check that the use refers
704 to the note under examination.
706 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
709 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
710 parameter and use short-lived pseudos.
711 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
712 (sparc_expand_vector_init): Const-ify local variables and adjust
713 calls to above functions.
715 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
717 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
719 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
721 * doc/invoke.texi: Make usage of "compile time" and
722 "run time"/"runtime" consistent throughout the file.
724 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
726 * config/alpha/alpha.c (alpha_option_override): Default to
727 full IEEE compliance mode for Go language.
729 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
731 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
732 (LINK_SSP_SPEC): Define.
734 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
737 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
740 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
742 * doc/invoke.texi: Correct hyphenation of "floating point",
743 "double precision", and related terminology throughout the file.
745 2012-01-28 Jakub Jelinek <jakub@redhat.com>
748 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
749 arm_general_register_operand predicate for operand 2 instead of
752 2012-01-27 Ian Lance Taylor <iant@google.com>
755 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
756 * builtins.c (expand_builtin_init_trampoline): Add onstack
757 parameter. Change caller.
758 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
759 * tree.c (build_common_builtin_nodes): Declare
760 __builtin_init_heap_trampoline.
762 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
764 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
765 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
766 * config/avr/avr.c: Ditto.
767 (avr_regnames): Remove because unused.
768 * config/avr/avr.md (*cpse.ne): New peephole.
769 (*cpse.eq): New peephole from former cpse peepholes.
771 2012-01-27 Michael Eager <eager@eagercon.com>
773 * config/microblaze.c (microblaze_emit_compare): Correct
774 test after pcmp instruction.
776 2012-01-27 Richard Guenther <rguenther@suse.de>
778 PR tree-optimization/52020
779 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
781 2012-01-27 Richard Guenther <rguenther@suse.de>
783 * ipa-pure-const.c (check_stmt): Clobbers do not make a
784 function non-const/pure.
786 2012-01-27 Richard Guenther <rguenther@suse.de>
788 PR tree-optimization/50444
789 * tree-sra.c (build_ref_for_offset): Properly adjust the
790 MEM_REF type for unaligned accesses.
792 2012-01-27 Richard Guenther <rguenther@suse.de>
794 PR tree-optimization/50444
795 * expr.c (mem_ref_refers_to_non_mem_p): New function.
796 (expand_assignment): Use it. Properly handle misaligned
797 bases when expanding stores to component references.
798 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
801 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
804 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
805 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
806 * tree-data-ref.c (find_data_references_in_loop): Make static.
807 (compute_all_dependences): Change return type to bool. Bail out
808 for too many datarefs in a loop. Move the hunk resetting the data
809 dependences vector from ...
810 (compute_data_dependences_for_loop): ... here. Account for
811 compute_all_dependences returning false.
812 (compute_data_dependences_for_bb): Likewise.
813 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
814 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
816 2012-01-27 Richard Guenther <rguenther@suse.de>
819 * expr.c (store_field): Use the alias-set of the scratch memory
822 2012-01-27 Tom de Vries <tom@codesourcery.com>
824 PR tree-optimization/51990
825 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
827 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
829 2012-01-27 Jakub Jelinek <jakub@redhat.com>
832 * var-tracking.c (reverse_op): Don't add any reverse operation
833 if V already has any constant locations.
835 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
837 * doc/invoke.texi: Correct usage of "command line" (noun)
838 vs "command-line" (adjective) throughout.
840 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
842 * doc/invoke.texi (Language Independent Options): Move
843 -Wcoverage-mismatch blurb from here....
844 (Warning Options): ...to here.
846 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
848 * config/rs6000/rs6000.c (rs6000_option_override_internal):
849 Set rs6000_always_hint to false for 476.
851 2012-01-27 Matthias Klose <doko@ubuntu.com>
853 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
855 * incpath.c (add_standard_paths): Likewise.
857 2012-01-27 Richard Henderson <rth@redhat.com>
859 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
860 * config/m68k/sync.md (atomic_test_and_set): Rename from
861 sync_test_and_setqi and adjust the operands.
862 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
863 and unconditionally enable.
865 2012-01-27 Richard Henderson <rth@redhat.com>
867 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
868 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
869 (ldstub): Rename from ldstubqi.
870 (ldstub<I24MODE>): Remove.
872 2012-01-27 Richard Henderson <rth@redhat.com>
874 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
875 * c-cppbuiltin.c (cpp_atomic_builtins): Define
876 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
877 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
878 * doc/tm.texi: Rebuild.
880 2012-01-27 Richard Henderson <rth@redhat.com>
882 * optabs.c (gen_atomic_test_and_set): Remove default.
883 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
885 2012-01-26 Jakub Jelinek <jakub@redhat.com>
887 PR rtl-optimization/51978
888 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
889 (combine_reaching_defs): Likewise.
890 (struct re_info): Remove.
891 (add_removable_extension): Remove x and data arguments,
892 add insn, insn_list and def_map. Use the arguments directly
893 instead of using struct re_info.
894 (find_removable_extensions): Don't call add_removable_extension
895 through note_stores, instead just call it with single_set
897 (find_and_remove_re): Pass curr_cand->expr instead of
898 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
900 2012-01-26 Michael Matz <matz@suse.de>
902 PR tree-optimization/46590
903 * cfgexpand.c: Revert last change (r183305).
904 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
906 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
907 checking for emptiness.
909 2012-01-26 Jakub Jelinek <jakub@redhat.com>
912 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
913 non-addressable non-BLKmode base correctly.
915 2012-01-26 Michael Matz <matz@suse.de>
917 PR tree-optimization/48794
918 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
919 regions referenced from RESX/EH_DISPATCH.
921 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
923 * config/s390/s390.h: Make BRANCH_COST an option.
924 * config/s390/s390.opt: New option -mbranch-cost.
926 2012-01-26 Richard Henderson <rth@redhat.com>
928 Revert 2012-01-24 change:
929 * trans-mem.c (requires_barrier): Do not instrument thread local
930 variables and emit save/restore for them.
932 2012-01-25 Jakub Jelinek <jakub@redhat.com>
935 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
938 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
940 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
943 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
946 Rename __pgm to __flash.
947 Rename __pgm1 to __flash1.
948 Rename __pgm2 to __flash2.
949 Rename __pgm3 to __flash3.
950 Rename __pgm4 to __flash4.
951 Rename __pgm5 to __flash5.
952 Rename __pgmx to __memx.
953 * doc/extend.texi (AVR Named Address Spaces)
954 Rename address space names as indicated above.
955 * config/avr/avr.c (avr_addrspace): Ditto.
957 * config/avr/avr-protos.h
958 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
959 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
960 * config/avr/predicates.md: Ditto.
961 * config/avr/avr.c Ditto, and
962 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
963 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
965 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
966 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
967 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
968 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
969 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
970 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
971 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
972 * config/avr/avr.c: Ditto.
973 * config/avr/avr.md: Ditto.
975 2012-01-25 Jason Merrill <jason@redhat.com>
978 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
980 2012-01-25 Jakub Jelinek <jakub@redhat.com>
982 PR tree-optimization/51987
983 * tree-data-ref.c (get_references_in_stmt): Handle references in
984 non-volatile GIMPLE_ASM.
986 2012-01-25 Richard Guenther <rguenther@suse.de>
988 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
989 bases are dereferenced.
991 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
993 PR rtl-optimization/48374
994 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
996 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
998 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
999 compute_data_dependences_for_loop returns false.
1000 * tree-parloops.c (loop_parallel_p): Likewise.
1002 2012-01-25 Richard Guenther <rguenther@suse.de>
1004 * tree.h (get_pointer_alignment_1): Declare.
1005 * builtins.c (get_pointer_alignment_1): New function.
1006 (get_pointer_alignment): Use it.
1008 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1010 PR rtl-optimization/48308
1011 * combine.c (enum undo_kind): Add UNDO_LINKS.
1012 (struct undo): Add member l to other_contents and where.
1013 (do_SUBST_LINK): New.
1015 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1016 (undo_all): Handle UNDO_LINKS.
1018 2012-01-25 Richard Henderson <rth@redhat.com>
1020 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1023 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1025 * optabs.c (gen_atomic_test_and_set): Use each argument.
1027 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1029 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1030 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1031 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1032 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1033 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1034 TARGET_PAIRED_SINGLE_FLOAT.
1036 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1038 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1039 (in_struct, return_val): Remove MEM documentation.
1040 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1041 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1042 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1044 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1045 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1046 * expr.c (store_field): Likewise.
1047 * function.c (assign_stack_temp_for_type): Likewise.
1048 * ifcvt.c (noce_try_cmove_arith): Likewise.
1049 * reload1.c (reload): Likewise.
1050 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1051 (alpha_set_memflags): Likewise.
1052 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1054 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1056 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1058 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1059 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1060 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1062 * cselib.c (cselib_rtx_varies_p): Delete.
1063 (cselib_invalidate_mem): Update call to canon_true_dependence.
1064 * dse.c (record_store, check_mem_read_rtx): Likewise.
1065 (scan_reads_nospill): Likewise.
1066 * cse.c (check_dependence): Likewise.
1067 (cse_rtx_varies_p): Delete.
1068 * expr.c (safe_from_p): Update call to true_dependence.
1069 * ira.c (validate_equiv_mem_from_store): Likewise.
1070 (memref_referenced_p): Likewise.
1071 * postreload-gcse.c (find_mem_conflicts): Likewise.
1072 * sched-deps.c (sched_analyze_2): Likewise.
1073 * store-motion.c (load_kills_store): Likewise.
1074 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1075 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1076 (compute_transp): Update call to canon_true_dependence.
1078 2012-01-25 Richard Henderson <rth@redhat.com>
1080 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1081 (maybe_emit_atomic_test_and_set): New.
1082 (expand_sync_lock_test_and_set): Use it.
1083 (expand_atomic_test_and_set): Likewise.
1084 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1085 the implementation; clarify implementation defined details.
1086 * doc/md.texi (atomic_test_and_set): Document.
1088 2012-01-25 Richard Henderson <rth@redhat.com>
1090 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1092 2012-01-25 Richard Henderson <rth@redhat.com>
1095 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1096 to effect no-op split.
1098 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1101 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1102 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1103 (BT_FN_VOID_PTR_INT_SIZE): New.
1104 (BT_FN_UINT_UINT_VAR): Remove.
1105 (BT_FN_UINT32_UINT32_VAR): New.
1106 (BT_FN_DOUBLE_VPTR): Remove.
1107 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1109 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1110 (_ITM_changeTransactionMode): Same.
1111 (_ITM_memmoveRtWt): Change return type to void.
1112 (_ITM_memcpyRtWt): Same.
1113 (_ITM_memsetW): Same.
1114 (_ITM_RaRD): Change types to double.
1119 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1121 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1122 Patrick Marlier <patrick.marlier@gmail.com>
1124 * trans-mem.c (requires_barrier): Do not instrument thread local
1125 variables and emit save/restore for them.
1127 2012-01-24 Jason Merrill <jason@redhat.com>
1130 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1131 output static aliases.
1133 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1136 * common.opt (-pie, -shared, pie, shared): Change from Common to
1138 * gcc.c (display_help): Display help for -pie and -shared.
1140 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1143 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1144 Remove note on size/offset limitation.
1145 (AVR Variable Attributes): Add example how to read data located
1146 with progmem. Refer to named address spaces.
1147 * doc/invoke.texi (AVR Options): Fix typo.
1149 2012-01-24 Richard Guenther <rguenther@suse.de>
1151 Forward-port to trunk
1152 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1155 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1156 op0 isn't sufficiently aligned and there is movmisalignM
1157 insn for mode, use it to load op0 into a temporary register.
1159 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1162 * target.def (const_not_ok_for_debug_p): New hook.
1163 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1165 * doc/tm.texi: Regenerated.
1166 * dwarf2out.c (const_ok_for_output_1): If
1167 targetm.const_not_ok_for_debug_p returns true, fail.
1168 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1170 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1172 2012-01-23 Kai Tietz <ktietz@redhat.com>
1175 * config/i386/predicates.md (symbolic_operand): Allow
1176 UNSPEC_PCREL as PIC expression for lea.
1177 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1178 * config/i386/i386.c (ix86_delegitimize_address): Handle
1179 UNSPEC_PCREL for none-MEM, too.
1181 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1183 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1184 (ipa_tm_create_version_alias): Same.
1186 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1189 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1190 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1192 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1193 Patrick Marlier <patrick.marlier@gmail.com>
1194 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1197 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1198 simple_object_start_read.
1200 2012-01-23 Richard Guenther <rguenther@suse.de>
1203 PR tree-optimization/51895
1204 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1205 parameter decomposition into BLKmode components.
1207 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1209 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1210 fake variables for restrict-qualified pointers whose pointed-to type
1211 contains a placeholder.
1213 2012-01-23 Richard Guenther <rguenther@suse.de>
1215 PR tree-optimization/51949
1216 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1218 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1220 PR rtl-optimization/51933
1221 * ree.c (transform_ifelse): Return true right away if dstreg is
1222 already wider or equal to cand->mode.
1223 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1224 (make_defs_and_copies_lists): Remove defs_list and copies_list
1225 arguments, add state argument, just truncate state->work_list
1226 instead of always allocating and freeing the vector. Assert that
1227 get_defs succeeds instead of returning 2. Changed return type to bool.
1228 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1229 have ext_src_mode, see if it has been modified already with the
1230 right kind of extension and has been extended before from the
1231 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1232 just return true. Remember the original mode in state->modified array.
1233 (combine_reaching_defs): Add state argument. Don't allocate and
1234 free here def_list, copied_list and vec vectors, instead just
1235 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1236 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1237 Add state variable, clear vectors in it, initialize state.modified
1238 if needed. Free all the vectors at the end and state.modified too.
1239 Don't skip a candidate if the extension expression has been modified.
1241 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1244 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1245 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1246 (extra_options) interix.opt -> i386/interix.opt"
1247 (extra_objs):Add winnt-stubs.o
1248 * configure.ac: Add interix to target_os .comm on PE check.
1249 * configure: Regenerate.
1250 * config/interix3.h: Delete and move bits to..
1251 * config/interix.h: Delete and move bits to..
1252 * config/i386/i386-interix3.h: Delete and move bits to..
1253 * config/i386/i386-interix.h: ..here.
1254 (TARGET_CPU_DEFAULT): Remove redefinition.
1255 (TARGET_ASM_CONSTRUCTOR): Undefine.
1256 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1257 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1258 (PTRDIFF_TYPE): Define.
1259 (LONG_DOUBLE_TYPE_SIZE): Define.
1260 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1261 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1262 (TARGET_SECTION_TYPE_FLAGS): Define.
1263 (ASM_DECLARE_FUNCTION_NAME): Define.
1264 (ASM_OUTPUT_EXTERNAL): Define.
1265 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1266 (ASM_OUTPUT_ALIGNED_BSS): Define.
1267 (PCC_BITFIELD_TYPE_MATTERS): Define.
1268 (USE_CONST_SECTION): Define.
1269 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1270 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1271 (SUPPORTS_ONE_ONLY): Remove.
1272 (I386_PE_STRIP_ENCODING): Define.
1273 * config/interix.opt: Delete and move bits to..
1274 * config/i386/interix.opt: ..here. New.
1275 (mpe-aligned-commons): Add.
1276 * config/i386/t-interix: Add copyright header.
1277 (winnt-stubs.o): Add rule.
1279 2012-01-22 Jason Merrill <jason@redhat.com>
1282 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1283 for extra name aliases.
1285 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1287 PR rtl-optimization/51924
1288 * ree.c (combine_set_extension): Improve debugging message.
1289 (combine_reaching_defs): Likewise.
1290 (get_defs): Rename confusingly named variable.
1291 (find_and_remove_re): Skip a candidate if the extension expression has
1294 2012-01-21 Robert Millan <rmh@gnu.org>
1295 Gerald Pfeifer <gerald@pfeifer.com>
1297 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1298 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1300 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1302 PR tree-optimization/51914
1303 * tree-vect-stmts.c (vectorizable_conversion): For
1304 cvt_type && modifier == WIDEN, put temporary with cvt_type
1305 at the beginning of vec_dsts and set vec_dest to temporary
1308 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1310 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1312 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1314 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1315 * config/rs6000/rs6000.c: Likewise.
1317 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1320 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1321 output_move_double on a copy of operands array.
1323 2012-01-20 Cary Coutant <ccoutant@google.com>
1324 Dodji Seketeli <dodji@redhat.com>
1327 * dwarf2out.c (copy_declaration_context): Return ref to parent
1328 of declaration DIE, if necessary.
1329 (remove_child_or_replace_with_skeleton): Add new parameter; update
1330 caller. Place skeleton DIE under parent DIE of original declaration.
1331 Move call to copy_declaration_context to here ...
1332 (break_out_comdat_types): ... from here.
1334 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1336 PR rtl-optimization/51856
1337 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1340 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1343 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1344 hints for neon loads and stores.
1346 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1350 * doc/extend.texi (Named Address Spaces): Split into subsections.
1351 (AVR Named Address Spaces): New subsection.
1352 (M32C Named Address Spaces): New subsection.
1353 (RL78 Named Address Spaces): New subsection.
1354 (SPU Named Address Spaces): New subsection.
1355 (Variable Attributes): New anchor "AVR Variable Attributes".
1356 (AVR Variable Attributes): Rewrite and avoid wording
1357 "address space" in this context.
1358 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1359 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1360 (AVR Built-in Macros): New subsubsection therein.
1361 * doc/md.texi (AVR constraints): Remove "C04", "R".
1363 2012-01-20 Richard Guenther <rguenther@suse.de>
1365 PR tree-optimization/51903
1366 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1367 when removing stmts.
1369 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1372 * config/arm/arm.c (arm_load_pic_register): Use
1373 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1374 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1375 (arm_pic_static_addr): Likewise.
1376 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1377 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1378 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1379 (pic_load_addr_unified): New.
1381 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1384 * function.c (instantiate_virtual_regs_in_insn): Use
1385 delete_insn_and_edges when removing a wrong asm insn.
1387 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1389 PR rtl-optimization/40761
1390 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1391 Add new member loop_num.
1392 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1393 (ira_build): Remove the parameter.
1395 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1396 (ira.c): Do not build CFG loops for one region allocation. Remove
1397 argument from ira_build call.
1399 * ira-build.c (init_loop_tree_node): New function.
1400 (create_loop_tree_nodes): Use it. Separate the case when CFG
1401 loops are not built.
1402 (more_one_region_p): Check current_loops.
1403 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1405 (add_loop_to_tree): Process loop equal to NULL too.
1406 (form_loop_tree): Separate the case when CFG loops are not built.
1407 Use explicitly number for the root.
1408 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1410 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1411 instead of loop->num.
1412 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1413 (mark_all_loops_for_removal): Ditto.
1414 (remove_unnecessary_regions): Separate the case when CFG loops
1416 (ira_build): Remove the parameter. Use explicit number of regions
1417 when CFG loops are not built.
1419 * ira-color.c (print_loop_title): Separate the case for the root node.
1420 Use loop_num instead of loop->num.
1421 (move_spill_restore): Use loop_num instead of loop->num.
1423 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1424 (change_loop): Ditto.
1425 (change_loop): Use loop_num instead of loop->num.
1427 * ira-lives.c (process_bb_node_lives): Ditto.
1429 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1431 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1433 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1436 * tree-mudflap.c (mf_artificial): New function.
1437 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1438 mx_register_decls, mudflap_enqueue_decl): Use it.
1441 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1442 numbers in the insn pattern.
1444 2012-01-19 Michael Matz <matz@suse.de>
1446 PR tree-optimization/46590
1447 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1448 use it in remembering which conflicts we already created.
1449 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1452 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1455 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1456 (merge_and_complain): Same.
1458 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1461 * config/initfini-array.h: Guard content of the header
1462 with #ifdef HAVE_INITFINI_ARRAY.
1463 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1464 Add initfini-array.h to tm_file here.
1465 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1466 * config.gcc: Don't add initfini-array.h to tm_file here.
1467 * configure: Regenerated.
1469 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1471 PR rtl-optimization/51505
1472 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1473 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1474 (df_note_bb_compute): Update the call to df_kill_notes.
1476 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1478 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1480 2012-01-18 Richard Guenther <rguenther@suse.de>
1482 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1483 of conversions to void *.
1485 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1486 Richard Sandiford <rdsandiford@googlemail.com>
1490 * optabs.h (simplify_expand_binop): Declare.
1491 * optabs.c (simplify_expand_binop): Make global.
1492 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1493 endian targets if the source cannot be exactly covered by word
1496 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1499 * hard-reg-set.h (struct hard_reg_set_container): New type.
1500 * target.h (struct hard_reg_set_container): Forward declare.
1501 * target.def (set_up_by_prologue): New target hook.
1502 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1503 * doc/tm.texi: Regenerated.
1504 * function.c (thread_prologue_and_epilogue_insns): Change
1505 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1506 Call targetm.set_up_by_prologue on it.
1507 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1508 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1510 2012-01-17 Nick Clifton <nickc@redhat.com>
1512 * config/rx/rx.c (rx_can_use_simple_return): New function.
1513 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1514 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1516 2012-01-17 Richard Guenther <rguenther@suse.de>
1519 * expr.c (expand_assignment): Take address-space information
1520 from the address operand of MEM_REF and TARGET_MEM_REF.
1521 (expand_expr_real_1): Likewise.
1523 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1525 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1526 reload dump is requested.
1528 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1531 * trans-mem.c (requires_barrier): Call may_be_aliased.
1533 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1535 PR tree-optimization/51877
1536 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1537 call arguments and fndecls compare equal, instead return false if they
1538 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1539 both SSA_NAMEs that are valueized the same, or they satisfy
1542 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1544 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1546 * configure: Regenerate.
1548 2012-01-16 Jan Hubicka <jh@suse.cz>
1552 * convert.c (convert_to_integer): Use fold_convert for
1553 converting an INTEGER_CST to integer type.
1555 2012-01-16 Jason Merrill <jason@redhat.com>
1558 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1560 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1563 * config/s390/s390.c (s390_chunkify_start): Don't skip
1564 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1565 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1566 If insn is followed by NOTE_INSN_VAR_LOCATION or
1567 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1568 Don't use location of note insns.
1570 PR tree-optimization/51865
1571 * tree-inline.c (tree_function_versioning): Call remap_decl
1572 on DECL_RESULT whenever it has VOID_TYPE_P type.
1574 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1576 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1577 for calls to locally-binding MIPS16 functions if only the return
1578 type uses float regs.
1580 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1581 Richard Sandiford <rdsandiford@googlemail.com>
1583 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1584 (SYMBOL_32_HIGH): Likewise.
1585 (mips_output_tls_reloc_directive): Declare.
1586 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1587 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1588 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1589 (mips_lo_relocs, mips_hi_relocs): Make extern.
1590 (mips16_stub_function): Move up file.
1591 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1592 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1593 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1594 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1595 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1596 (mips_get_tp): Add MIPS16 support.
1597 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1598 Generalize DTPREL and TPREL handling.
1599 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1600 Add MIPS16 TLS support.
1601 (mips_output_tls_reloc_directive): New function.
1602 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1603 * config/mips/predicates.md (symbolic_operand_with_high)
1604 (tls_reloc_operand): New predicates.
1605 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1606 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1607 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1608 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1609 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1610 (*tls_get_tp_mips16_call_<mode>): Likewise.
1612 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1614 PR rtl-optimization/51821
1615 * recog.c (peep2_find_free_register): Determine clobbered registers
1618 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1621 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1622 * config/avr/avr.c: Likewise.
1623 * config/avr/avr.h: Likewise.
1625 2012-01-13 Ian Lance Taylor <iant@google.com>
1628 * tree.h (TYPE_QUALS): Add cast to int.
1629 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1631 2012-01-13 Ian Lance Taylor <iant@google.com>
1633 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1634 comparing param_index to VEC_length result.
1636 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1638 * c-decl.c: Do not include tree-mudflap.h
1639 * tree-optimize.c: Likewise.
1640 * Makefile.in: Update dependencies.
1642 2012-01-13 Richard Guenther <rguenther@suse.de>
1645 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1646 variable-sized result always use RSO.
1648 2012-01-12 DJ Delorie <dj@redhat.com>
1650 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1651 pointer type, not just the default pointer type.
1653 2012-01-09 Richard Henderson <rth@redhat.com>
1654 Denis Chertykov <chertykov@gmail.com>
1657 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1658 * config/avr/avr.c (avr_can_eliminate): Simplify.
1659 (avr_initial_elimination_offset): Likewise.
1660 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1661 (expand_epilogue): Likewise.
1662 (avr_legitimize_address): Gut.
1663 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1664 (avr_hard_regno_nregs): New.
1665 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1666 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1667 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1668 add soft frame pointer.
1669 (CALL_USED_REGISTERS): Likewise.
1670 (REG_CLASS_CONTENTS): Likewise.
1671 (REGISTER_NAMES): Likewise.
1672 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1673 (HARD_FRAME_POINTER_REGNUM): New.
1674 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1675 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1676 remove the HARD_FRAME_POINTER self-elimination.
1678 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1681 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1682 DECL_EXTERNAL when checking for initializers of progmem variables.
1684 2012-01-12 Ira Rosen <irar@il.ibm.com>
1686 PR tree-optimization/51799
1687 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1688 that the last operation is a type demotion.
1690 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1692 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1693 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1695 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1698 * combine.c (distribute_notes): If i3 is a noreturn call,
1699 allow old_size to be equal to args_size and make sure the
1700 noreturn call gets REG_ARGS_SIZE note.
1701 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1702 on noreturn calls even when the delta is 0.
1704 2012-01-11 Nathan Sidwell <nathan@acm.org>
1706 * gcov.c (STRING_SIZE): Remove.
1707 (generate_results): Erase annotations for source files with no
1708 coverage information.
1710 (output_lines): Use it.
1712 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1714 * gimple.h (gimplify_body): Remove first argument.
1715 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1716 pointer set here, instead just pass DATA to walk_tree.
1717 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1718 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1719 (unvisit_body): Likewise, but with unmark_visited.
1720 (gimplify_body): Remove BODY_P argument and adjust.
1721 (gimplify_function_tree): Adjust call to gimplify_body.
1722 * omp-low.c (finalize_task_copyfn): Likewise.
1724 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1726 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1727 (build_function_type_skip_args): Delete.
1728 * tree.c (build_function_type_skip_args): Make static and add
1729 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1730 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1731 pass it to build_function_type_skip_args.
1732 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1733 (tree_function_versioning): Likewise.
1734 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1735 build_function_decl_skip_args.
1736 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1737 and pass it to build_function_decl_skip_args/tree_function_versioning.
1738 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1739 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1740 * trans-mem.c (ipa_tm_create_version): Likewise.
1741 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1742 * tree-inline.c (declare_return_variable): Remove always-true test.
1743 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1744 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1745 * ipa-split.c (split_function): Skip the return value for the split
1746 part if it doesn't return.
1748 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1750 PR tree-optimization/49642
1751 * ipa-split.c (forbidden_dominators): New variable.
1752 (check_forbidden_calls): New function.
1753 (dominated_by_forbidden): Likewise.
1754 (consider_split): Check for forbidden dominators.
1755 (execute_split_functions): Initialize and free forbidden
1756 dominators info; call check_forbidden_calls.
1758 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1760 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1762 2012-01-11 Nick Clifton <nickc@redhat.com>
1764 * config/rx/rx.md (return): Define pattern.
1766 2012-01-11 Richard Guenther <rguenther@suse.de>
1768 * doc/extend.texi (malloc attribute): Adjust according to
1771 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1772 Patrick Marlier <patrick.marlier@gmail.com>
1775 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1776 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1777 (ipa_tm_note_irrevocable): Same.
1778 (ipa_tm_scan_irr_block): Same.
1779 (ipa_tm_decrement_clone_counts): Same.
1780 (ipa_tm_scan_irr_function): Same.
1781 (ipa_tm_create_version_alias): Same.
1782 (ipa_tm_create_version): Same.
1783 (ipa_tm_transform_calls_redirect): Same.
1784 (ipa_tm_transform_calls): Same.
1785 (ipa_tm_transform_transaction): Same.
1786 (ipa_tm_execute): Same.
1788 2012-01-10 Richard Guenther <rguenther@suse.de>
1791 * opts.c (common_handle_option): Handle -Werror.
1793 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1795 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1798 2012-01-10 Jason Merrill <jason@redhat.com>
1800 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1803 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1805 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1806 supports R_386_TLS_GD_PLT reloc.
1807 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1808 supports R_386_TLS_LDM_PLT reloc.
1809 * configure: Regenerate.
1810 * config.in: Regenerate.
1812 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1815 Extend __pgmx semantics to linearize memory.
1816 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1817 determine if code comes inline or from libgcc.
1818 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1819 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1820 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1821 (movmemx_qi, movmemx_hi): New insns.
1822 (xload_<mode>_libgcc): Rewrite to new insn condition.
1823 (xload_<mode>): Remove insns.
1824 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1825 cases that don't satisfy avr_xload_libgcc_p().
1826 (avr_addr_space_convert): Allow converting in any direction.
1827 (avr_addr_space_subset_p): Return always true.
1828 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1829 (avr_emit_movmemhi): Ditto.
1830 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1831 (avr_out_movmem): Ditto.
1832 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1833 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1834 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1835 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1836 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1838 2012-01-10 Richard Guenther <rguenther@suse.de>
1840 PR tree-optimization/50913
1841 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1842 Require data-refs to be representable by Graphite with respect
1845 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1847 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1848 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1850 2012-01-10 Tom de Vries <tom@codesourcery.com>
1852 PR rtl-optimization/51271
1853 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1854 handling annulled branch.
1856 2012-01-10 Richard Henderson <rth@redhat.com>
1858 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1859 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1860 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1861 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1862 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1863 arm_expand_vec_perm_const): New.
1864 * config/arm/arm-protos.h: Update.
1865 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1866 (*neon_vswp<VDQX>): New.
1867 (neon_vcombine<VDX>): Use neon_split_vcombine.
1868 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1869 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1870 (vec_perm<VE>): New.
1872 2012-01-10 Richard Henderson <rth@redhat.com>
1874 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1875 use it if reload_completed.
1876 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1877 arm_output_asm_insn, arm_process_output_memory_barrier,
1878 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1879 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1880 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1881 arm_process_output_sync_insn, arm_output_sync_insn,
1882 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1883 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1884 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1885 (emit_unlikely_jump): New.
1886 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1887 (arm_split_atomic_op): New.
1888 * config/arm/arm-protos.h: Update.
1889 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1890 (struct arm_sync_generator): Remove.
1891 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1892 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1893 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1894 (VUNSPEC_LL, VUNSPEC_SC): New.
1895 (sync_result, sync_memory, sync_required_value, sync_new_value,
1896 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1897 (attr length): Don't use arm_sync_loop_insns.
1898 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1899 (movsfcc, movdfcc): Likewise.
1900 * config/arm/constraints.md (Ua): New.
1901 * config/arm/prediates.md (mem_noofs_operand): New.
1902 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1903 (sync_clobber, sync_t2_reqd): Remove.
1904 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1905 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1906 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1907 (arm_sync_compare_and_swap<SIDI>): Remove.
1908 (arm_sync_compare_and_swap<NARROW>): Remove.
1909 (arm_sync_lock_test_and_set<SIDI>): Remove.
1910 (arm_sync_lock_test_and_set<NARROW>): Remove.
1911 (arm_sync_new_<syncop><SIDI>): Remove.
1912 (arm_sync_new_<syncop><NARROW>): Remove.
1913 (arm_sync_new_nand<SIDI>): Remove.
1914 (arm_sync_new_nand<NARROW>): Remove.
1915 (arm_sync_old_<syncop><SIDI>): Remove.
1916 (arm_sync_old_<syncop><NARROW>): Remove.
1917 (arm_sync_old_nand<SIDI>): Remove.
1918 (arm_sync_old_nand<NARROW>): Remove.
1919 (*memory_barrier): Merge arm_output_memory_barrier.
1920 (atomic_compare_and_swap<QHSD>): New.
1921 (atomic_compare_and_swap<NARROW>_1): New.
1922 (atomic_compare_and_swap<SIDI>_1): New.
1923 (atomic_exchange<QHSD>): New.
1924 (cas_cmp_operand, cas_cmp_str): New.
1925 (atomic_op_operand, atomic_op_str): New.
1926 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1927 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1928 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1929 (arm_load_exclusive<NARROW>): New.
1930 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1931 (arm_store_exclusive<QHSD>): New.
1933 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1935 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1936 reload patterns if -mvsx-scalar-memory.
1938 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1939 generated, even -mno-vsx-scalar-double was used.
1940 (vsx_xscvdpsp_scalar): Likewise.
1941 (vsx_xscvspdp_scalar2): Likewise.
1943 2012-01-09 Tom de Vries <tom@codesourcery.com>
1944 Andrew Pinski <apinski@cavium.com>
1947 * reorg.c (fill_slots_from_thread): Don't speculate
1948 frame-related insns.
1950 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1952 * sched-int.h (bb_note): Move to...
1953 * basic-block.h: ...here.
1954 * haifa-sched.c (bb_note): Move to...
1955 * cfgrtl.c: ...here.
1956 * function.c (next_block_for_reg): New function.
1957 (move_insn_for_shrink_wrap): Likewise.
1958 (prepare_shrink_wrap): Rewrite to use the above.
1960 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1962 * gimple.c (is_gimple_non_addressable): Remove.
1963 * gimple.h: Remove is_gimple_non_addressable.
1964 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1965 is_gimple_non_addressable.
1966 * trans-mem.c (expand_assign_tm): Same.
1968 2012-01-09 Richard Guenther <rguenther@suse.de>
1970 PR tree-optimization/51775
1971 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1972 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1974 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1976 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1978 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1980 2012-01-09 Richard Guenther <rguenther@suse.de>
1982 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1984 2012-01-08 Jan Hubicka <jh@suse.cz>
1986 PR tree-optimize/51680
1987 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1988 on when known_vals needs to be computed; cleanup.
1990 2012-01-08 Jan Hubicka <jh@suse.cz>
1992 PR tree-optimize/51694
1993 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1995 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1997 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1998 for -std=c++98 and -std=c++11 too.
2000 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
2002 * cfgloop.c (cancel_loop): Add free() of bbs array.
2004 2012-01-07 Jan Hubicka <jh@suse.cz>
2006 PR tree-optimization/51600
2007 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2008 that benefits small functions.
2010 2012-01-07 Jan Hubicka <jh@suse.cz>
2012 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2014 2012-01-07 Jan Hubicka <jh@suse.cz>
2016 PR tree-optimization/51680
2017 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2018 whose inlining reduce unit size.
2020 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2023 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2024 Add canonical node to containing_mem chain after the non-canonical
2025 one, even if there weren't any locs to propagate.
2026 (remove_useless_values): Keep only canonical values.
2027 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2028 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2029 canonicalize mem_chain elements that are not discarded.
2031 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2034 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2035 before emitting functions.
2037 PR gcov-profile/50127
2038 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2039 clear_aux_for_blocks.
2041 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2044 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2046 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2048 * c-decl.c (ext_block): Moved up.
2049 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2051 2012-01-06 Han Shen <shenhan@google.com>
2053 Translate built-in include paths for sysroot.
2054 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2055 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2057 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2058 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2060 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2061 control whether sysroot should be prepended to gxx include dir.
2063 * configure: Regenerate.
2065 2012-01-06 Torvald Riegel <triegel@redhat.com>
2067 PR rtl-optimization/51771
2068 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2069 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2071 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2073 PR tree-optimization/51315
2074 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2075 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2077 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2080 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2081 for shrp pattern. Correctly handle and fixup shift variable.
2082 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2084 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2087 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2088 note when !ACCUMULATE_OUTGOING_ARGS.
2090 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2092 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2094 (extract_range_from_unary_expr_1): Avoid useless computations.
2096 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2098 PR rtl-optimization/51767
2099 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2100 of jump_block and add an extra edge for degenerated asm gotos.
2103 * stmt.c (check_unique_operand_names): Don't ICE during error
2104 reporting if i is from labels chain.
2107 * profile.c (branch_prob): Split bbs that have exit edge
2108 and need a fake entry edge too.
2110 2012-01-05 Jan Hubicka <jh@suse.cz>
2113 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2116 2012-01-05 Richard Guenther <rguenther@suse.de>
2119 * tree-streamer-out.c (write_ts_optimization): New function.
2120 (streamer_write_tree_body): Call it.
2121 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2122 (streamer_read_tree_body): Call it.
2123 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2125 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2128 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2129 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2130 in_cleanup_point_expr before gimplify_stmt call and restore it
2132 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2133 in_cleanup_point_expr is false.
2135 2012-01-05 Richard Guenther <rguenther@suse.de>
2138 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2140 * toplev.c (process_options): Reject combining mudflap and LTO.
2141 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2143 2012-01-05 Richard Guenther <rguenther@suse.de>
2145 PR tree-optimization/51760
2146 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2148 (bit_value_unop): Handle UNDEFINED operands.
2149 (bit_value_binop): Likewise.
2151 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2153 * config/avr/avr.c (avr_replace_prefix): Remove.
2154 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2155 (avr_asm_function_rodata_section): Ditto.
2156 (avr_asm_select_section): Ditto.
2158 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2160 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2163 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2166 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2167 calls that have any non-fake successor edges.
2170 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2172 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2174 PR tree-optimization/51624
2175 * tree-sra.c (build_ref_for_model): When replicating a chain of
2176 COMPONENT_REFs, stop as soon as the offset would become negative.
2178 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2181 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2182 in .debug_loc on the floor.
2184 2012-01-04 Andrew Pinski <apinski@cavium.com>
2186 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2188 2012-01-04 Andrew Pinski <apinski@cavium.com>
2189 Adam Nemet <anemet@caviumnetworks.com>
2191 * config/mips/mips.md (size): Add SI and DI.
2192 (SIZE): New mode attribute.
2193 (U): New code attribute.
2194 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2195 (mips_lbux_<mode>): Delete.
2196 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2197 (mips_lhx): Use gen_mips_lhx_extsi.
2198 (mips_lhx_<mode>): Delete.
2200 (mips_l<size>x): New expand.
2201 (mips_lwx_<mode>): Delete.
2202 (mips_l<GPR:size>x_<P:mode>): New pattern.
2203 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2204 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2205 * config/mips/mips.c (mips_lx_address_p): New function.
2206 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2207 (dsp64): New availability predicate.
2208 (mips_builtins): Add an entry for __builtin_mips_ldx.
2209 * config/mips/mips.h (ISA_HAS_LBX): New define.
2210 (ISA_HAS_LBUX): Likewise.
2211 (ISA_HAS_LHX): Likewise.
2212 (ISA_HAS_LHUX): Likewise.
2213 (ISA_HAS_LWX): Likewise.
2214 (ISA_HAS_LWUX): Likewise.
2215 (ISA_HAS_LDX): Likewise.
2216 * doc/extend.texi (__builtin_mips_ldx): Document.
2218 2012-01-04 Tristan Gingold <gingold@adacore.com>
2220 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2221 when long pointers are used.
2222 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2223 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2224 (ia64-hp-*vms*): Remove.
2225 * config/vms/xm-vms64.h: Delete.
2227 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2230 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2232 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2234 * opts.c (finish_options): Remove duplicate sorry.
2236 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2239 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2242 2012-01-04 Richard Guenther <rguenther@suse.de>
2245 * tree.c (size_low_cst): New function.
2246 * tree.h (size_low_cst): Declare.
2247 * fold-const.c (fold_comparison): Use it to extract the low
2248 part of the POINTER_PLUS_EXPR offset.
2250 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2252 Fix clearing ZERO_REG
2253 * config/avr/avr.md (cc): Add alternative "ldi".
2254 (movqi_insn): Use it in cc attribute.
2255 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2256 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2257 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2259 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2261 * configure: Regenerate.
2263 2012-01-04 Richard Guenther <rguenther@suse.de>
2265 PR tree-optimization/49651
2266 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2267 (var_can_have_subvars): Use it.
2268 (get_constraint_for_1): Only consider subfields if there can be any.
2270 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2273 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2274 to its new canonical_cselib_val and the cselib_val was in
2275 first_containing_mem chain, but the canonical_cselib_val was not,
2276 add the latter into the chain.
2277 (cselib_invalidate_mem): Compare canonical_cselib_val of
2278 addr_list chain elt with v.
2281 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2282 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2284 (output_macinfo_op): Don't ggc_strdup fd->filename.
2285 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2286 then ggc_strdup it. Don't free inc->info or cur->info.
2287 (output_macinfo): Don't free ref->info or file->info.
2289 2012-01-03 Ira Rosen <irar@il.ibm.com>
2291 PR tree-optimization/51269
2292 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2293 first_niters a pointer.
2294 (slpeel_tree_peel_loop_to_edge): Likewise.
2295 (vect_do_peeling_for_loop_bound): Update call to
2296 slpeel_tree_peel_loop_to_edge.
2297 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2298 here. Remove it from the parameters list.
2299 (vect_do_peeling_for_alignment): Update calls and compute
2302 2012-01-03 Richard Guenther <rguenther@suse.de>
2304 PR tree-optimization/51070
2305 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2306 Properly handle calls.
2308 2012-01-03 Richard Guenther <rguenther@suse.de>
2310 PR tree-optimization/51692
2311 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2312 the LHS of allocation stmts.
2314 2012-01-03 Olivier Hainque <hainque@adacore.com>
2316 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2318 2012-01-03 Olivier Hainque <hainque@adacore.com>
2320 * collect2.c (main): In AIX specific computations for vector
2321 insertions, use CONST_CAST2 to cast from char ** to const char **.
2323 2012-01-03 Richard Guenther <rguenther@suse.de>
2326 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2327 the context of a limbo DIE when it does not already exist.
2329 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2331 PR tree-optimization/51719
2332 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2333 but direct call is, clear direct call's lhs and don't add fallthrough
2334 edge from dcall_bb to join_bb and PHIs.
2336 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2338 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2339 the instructions emitted by the pattern.
2340 ("*TDC_insn_<mode>"): Add comment.
2342 2012-01-03 Richard Guenther <rguenther@suse.de>
2345 * fold-const.c (fold_comparison): Properly canonicalize
2346 tree offset and HOST_WIDE_INT bit position.
2348 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2350 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2351 operands for extzv pattern.
2353 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2356 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2359 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2361 * doc/invoke.texi (-flto and related options): Copy-edit.
2363 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2365 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2367 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2369 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2372 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2374 * expr.h (move_by_pieces_ninsns): Declare.
2375 * expr.c (move_by_pieces_ninsns): Make external.
2376 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2377 (mips_store_by_pieces_p): Likewise.
2378 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2379 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2380 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2381 (mips_store_by_pieces_p): Likewise.
2383 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2385 * passes.c (register_one_dump_file): Free full_name.
2387 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2388 (calculate_elim_costs_all_insns): Free offsets_at and
2389 offsets_known_at at the end and clear the pointers.
2391 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2393 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2394 this option introduced in r180739.
2396 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2399 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2400 (tmake_file target=avr): Add avr/t-multilib.
2402 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2403 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2404 * config/avr/genmultilib.awk: New file.
2405 * config/avr/t-multilib: New auto-generated file.
2406 * config/avr/multilib.h: New auto-generated file.
2407 * config/avr/t-avr (AVR_MCUS): New variable.
2408 (genopt.sh): Use it.
2409 (s-mlib): Depend on t-multilib.
2410 (t-multilib, multilib.h): New dependencies.
2411 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2412 (MULTILIB_OPTIONS): Remove.
2413 (MULTILIB_MATCHES): Remove.
2414 (MULTILIB_DIRNAMES): Remove.
2415 (MULTILIB_EXCEPTIONS): Remove:
2416 * config/avr/genopt.sh: Don't use hard coded file name;
2417 pass AVR_MCUS from t-avr instead.
2419 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2421 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2423 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2425 Implement light-weight DImode support.
2426 * config/avr/avr-dimode.md: New file.
2427 * config/avr/avr.md: Include it.
2428 (adjust_len): Add plus64, compare64.
2429 (HIDI): Remove code iterator.
2430 (code_stdname): New code attribute.
2431 (rotx, rotsmode): Remove DI.
2432 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2434 * config/avr/avr-protos.h (avr_have_dimode): New.
2435 (avr_out_plus64, avr_out_compare64): New.
2436 * config/avr/avr.c (avr_out_compare): Handle DImode.
2437 (avr_have_dimode): New variable definition and initialization.
2438 (avr_out_compare64, avr_out_plus64): New functions.
2439 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2440 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2441 (avr_compare_pattern): Skip DImode comparisons.
2443 2012-01-02 Revital Eres <revital.eres@linaro.org>
2445 * ddg.c (def_has_ccmode_p): New function.
2446 (add_cross_iteration_register_deps,
2447 create_ddg_dep_from_intra_loop_link): Call it.
2449 2012-01-02 Richard Guenther <rguenther@suse.de>
2452 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2454 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2456 * gcc.c (process_command): Update copyright notice dates.
2457 * gcov.c (print_version): Likewise.
2458 * gcov-dump.c (print_version): Likewise.
2459 * mips-tfile.c (main): Likewise.
2460 * mips-tdump.c (main): Likewise.
2462 2012-01-01 Ira Rosen <irar@il.ibm.com>
2464 PR tree-optimization/51704
2465 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2466 a use is inside the basic block or loop before accessing its vect info.
2468 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2470 PR rtl-optimization/51069
2471 * cfgloopmanip.c (remove_path): Removing path making irreducible
2472 region unconditional makes BB part of the region.
2474 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2476 PR tree-optimization/51683
2477 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2478 calls with side-effects.
2479 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2481 Copyright (C) 2012 Free Software Foundation, Inc.
2483 Copying and distribution of this file, with or without modification,
2484 are permitted in any medium without royalty provided the copyright
2485 notice and this notice are preserved.