1 2012-02-14 Jonathan Wakely <jwakely.gcc@gmail.com>
3 * doc/install.texi (Prerequisites): Suggest building GMP, MPFR and
4 MPC as part of GCC before describing configuring with --with-gmp etc.
5 (Installing GCC: Configuration): --with-gmp etc. aren't needed if
8 2012-02-14 Jakub Jelinek <jakub@redhat.com>
11 * dwarf2out.c (clone_tree_hash): New function.
12 (copy_decls_walk): Use it instead of clone_tree.
14 2012-02-14 Richard Guenther <rguenther@suse.de>
16 PR tree-optimization/52244
17 PR tree-optimization/51528
18 * tree-sra.c (analyze_access_subtree): Only create INTEGER_TYPE
19 replacements for integral types.
21 2012-02-14 Walter Lee <walt@tilera.com>
23 * config.gcc: Handle tilegx and tilepro.
24 * configure.ac (gcc_cv_as_dwarf2_debug_line): Enable test for
26 Add HAVE_AS_TLS check for tilegx and tilepro.
27 * configure: Regenerate.
28 * doc/contrib.texi: Add Mat Hostetter and self.
29 * doc/extend.texi (TILE-Gx Built-in Functions): New node.
30 Document instruction intrinsics and network accessing intrinsics.
31 (TILEPro Built-in Functions): New node. Document instruction
32 intrinsics and network accessing intrinsics.
33 * doc/install.texi (Specific, tilegx-*-linux*): Document it.
34 (Specific, tilepro-*-linux*): Likewise.
35 * doc/invoke.texi (TILE-Gx Options): New section.
36 (TILEPro Options): New section.
37 * doc/md.texi (TILE-Gx): New section.
38 (TILEPro): New section.
39 * common/config/tilegx/tilegx-common.c: New file.
40 * common/config/tilepro/tilepro-common.c: New file.
41 * config/tilegx/constraints.md: New file.
42 * config/tilegx/linux.h: New file.
43 * config/tilegx/mul-tables.c: New file.
44 * config/tilegx/predicates.md: New file.
45 * config/tilegx/sync.md: New file.
46 * config/tilegx/t-tilegx: New file.
47 * config/tilegx/tilegx-builtins.h: New file.
48 * config/tilegx/tilegx-c.c: New file.
49 * config/tilegx/tilegx-generic.md: New file.
50 * config/tilegx/tilegx-modes.def: New file.
51 * config/tilegx/tilegx-multiply.h: New file.
52 * config/tilegx/tilegx-protos.h: New file.
53 * config/tilegx/tilegx.c: New file.
54 * config/tilegx/tilegx.h: New file.
55 * config/tilegx/tilegx.md: New file.
56 * config/tilegx/tilegx.opt: New file.
57 * config/tilepro/constraints.md: New file.
58 * config/tilepro/gen-mul-tables.cc: New file.
59 * config/tilepro/linux.h: New file.
60 * config/tilepro/mul-tables.c: New file.
61 * config/tilepro/predicates.md: New file.
62 * config/tilepro/t-tilepro: New file.
63 * config/tilepro/tilepro-builtins.h: New file.
64 * config/tilepro/tilepro-c.c: New file.
65 * config/tilepro/tilepro-generic.md: New file.
66 * config/tilepro/tilepro-modes.def: New file.
67 * config/tilepro/tilepro-multiply.h: New file.
68 * config/tilepro/tilepro-protos.h: New file.
69 * config/tilepro/tilepro.c: New file.
70 * config/tilepro/tilepro.h: New file.
71 * config/tilepro/tilepro.md: New file.
72 * config/tilepro/tilepro.opt: New file.
74 2012-02-14 Jakub Jelinek <jakub@redhat.com>
76 PR tree-optimization/52210
77 * tree-vect-slp.c (vect_get_and_check_slp_defs): Call
78 vect_model_simple_cost with two entry vect_def_type array instead
81 2012-02-14 Richard Guenther <rguenther@suse.de>
84 * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
85 Do not stream DECL_QUALIFIER.
86 * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Likewise.
87 * tree.c (free_lang_data_in_decl): Free DECL_QUALIFIER.
88 (find_decls_types_r): Do not walk DECL_QUALIFIER.
90 2012-02-14 Jakub Jelinek <jakub@redhat.com>
93 * c-decl.c (merge_decls): Copy DECL_USER_ALIGN bit from olddecl to
96 2012-02-13 Jakub Jelinek <jakub@redhat.com>
99 * cselib.h (cselib_subst_to_values_from_insn): New prototype.
100 * cselib.c (cselib_subst_to_values_from_insn): New function.
101 * sched-deps.c (add_insn_mem_dependence,
102 sched_analyze_1, sched_analyze_2): Use it.
104 2012-02-13 Jan Hubicka <jh@suse.cz>
107 * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
109 2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
111 * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
112 (GTM_SELF_SPECS): Define if not already defined.
113 (driver_self_specs): Add GTM_SELF_SPECS.
114 * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
115 (GTM_SELF_SPECS): Define.
116 * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
117 * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
119 2012-02-13 Jakub Jelinek <jakub@redhat.com>
121 * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
124 * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
128 * omp-low.c (expand_omp_for): If a static schedule without
129 chunk size has NULL region->cont, force fd.chunk_size to be
132 2012-02-13 Andrew MacLeod <amacleod@redhat.com>
135 * doc/extend.texi : Fix another __atomic_compare_exchange typo.
137 2012-02-13 Richard Guenther <rguenther@suse.de>
140 * passes.c (enable_disable_pass): Fix typo.
142 2012-02-13 Jakub Jelinek <jakub@redhat.com>
145 * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
146 XOR for reduce_bit_field if type is unsigned.
148 2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
150 * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
151 disallow changes from SFmode to mode with different size in FP regs.
153 2012-02-12 Robert Millan <rmh@gnu.org>
154 Gerald Pfeifer <gerald@pfeifer.com>
156 * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
159 2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
161 PR rtl-optimization/52175
162 * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
163 to frame-related instructions.
165 2012-02-10 Jason Merrill <jason@redhat.com>
168 * tlink.c (demangled_hash_entry): Change mangled to a VEC.
169 (demangle_new_symbols): Fill it.
170 (scan_linker_output): Walk it.
171 (start_tweaking): Split out from scan_linker_output.
172 (maybe_tweak): Update sym->chosen.
173 * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
175 2012-02-11 Jakub Jelinek <jakub@redhat.com>
178 * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
181 2012-02-11 Uros Bizjak <ubizjak@gmail.com>
183 * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
184 having the same mode as previous compare.
186 2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
188 * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
189 * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
190 (nonlocal_goto_internal): Likewise.
191 (nonlocal_goto): Emit a use and an indirect jump directly.
193 2012-02-10 Andrew MacLeod <amacleod@redhat.com>
196 * doc/extend.texi : Update comments for __atomic_compare_exchange and
197 __atomic_{is,always}_lock_free.
199 2012-02-10 Uros Bizjak <ubizjak@gmail.com>
202 * config/i386/i386.c (ix86_legitimate_address_p): Disallow
203 negative constant address for x32.
205 2012-02-10 Richard Henderson <rth@redhat.com>
207 * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
208 * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
209 for GIMPLE_TRANSACTION. Tidy if's into a switch.
211 2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
212 Ira Rosen <irar@il.ibm.com>
214 PR tree-optimization/50031
215 * targhooks.c (default_builtin_vectorization_cost): Handle
217 * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
218 * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
219 all types of reduction and pattern statements.
220 (vect_estimate_min_profitable_iters): Likewise.
221 * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
222 (vect_get_load_cost): Use vec_perm for permutations; add dump logic
223 for explicit realigns.
224 (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
225 * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
227 * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
228 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
229 vec_perm for VSX and handle vec_promote_demote.
231 2012-02-10 Jakub Jelinek <jakub@redhat.com>
234 * builtins.c (fold_builtin_atomic_always_lock_free,
235 expand_builtin_atomic_always_lock_free,
236 fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
237 Return and/or test boolean_true_node/boolean_false_node instead of
238 integer_one_node/integer_zero_node.
240 2012-02-10 Jan Hubicka <jh@suse.cz>
243 * predict.c (predict_paths_for_bb): Prevent looping.
244 (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
246 2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
248 * config/arm/arm.c (output_move_double): In one case properly
249 count number of instructions that will be emitted.
251 2012-02-10 Richard Guenther <rguenther@suse.de>
254 * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
256 2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
259 * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
261 2012-02-09 Jakub Jelinek <jakub@redhat.com>
264 * var-tracking.c (emit_note_insn_var_location): If
265 EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
266 emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
267 non-NOTE_DURING_CALL_P insn.
269 2012-02-09 Bin Cheng <bin.cheng@arm.com>
272 * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
274 2012-02-08 Magnus Granberg <zorry@gentoo.org>
277 * gcc.c (switch_matches) Support switches with separated form,
280 2012-02-08 Georg-Johann Lay <avr@gjlay.de>
282 * config/avr/avr.md (SREG_ADDR): Remove constant definition.
285 * config/avr/avr.c (avr_addr_t): New typedef.
286 (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
287 (avr_init_expanders): Initialize it.
288 (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
290 (expand_epilogue): Ditto.
291 (avr_print_operand): Ditto.
292 (avr_file_start): Ditto.
293 (avr_emit_movmemhi): Ditto.
295 2012-02-08 Richard Guenther <rguenther@suse.de>
297 PR tree-optimization/46886
298 * tree-flow.h (do_while_loop_p): Declare.
299 * tree-ssa-loop-ch.c (do_while_loop_p): Export.
300 * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
302 2012-02-08 Andrew MacLeod <amacleod@redhat.com>
304 * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
305 always succeed for integers larger than a native word.
307 2012-02-08 Richard Guenther <rguenther@suse.de>
309 PR rtl-optimization/52170
310 * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
311 properly handle integer vector modes.
313 2012-02-08 Jakub Jelinek <jakub@redhat.com>
315 PR gcov-profile/52150
316 * coverage.c: Include target.h.
317 (build_var): Call targetm.strip_name_encoding on the assembler name.
318 Change one _ into . or $ if the target allows it.
319 * Makefile.in (coverage.o): Depend on $(TARGET_H).
321 PR rtl-optimization/52139
322 * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
323 is a BARRIER after emit_insn_after_noloc, move BB_END
324 to the last non-BARRIER insn before it.
326 2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
329 * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
330 (mips_gimplify_va_arg_expr): Call it instead of
331 std_gimplify_va_arg_expr.
333 2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
335 * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
336 message for -mno-pointers-to-nested-function.
338 2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
341 * expr.c (get_inner_reference): If there is an offset, add a negative
342 bit position to it (if any).
344 2012-02-07 Jakub Jelinek <jakub@redhat.com>
346 PR rtl-optimization/52060
347 * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
348 copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
349 before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
350 and/or i0src_copy2 when needed.
352 2012-02-07 Jakub Jelinek <jakub@redhat.com>
354 * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
355 or LTOPLUGINSONAME if have_c.
357 * config/freebsd-spec.h: Add comment about what macros can be defined
359 (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
360 * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
363 2012-02-07 Richard Guenther <rguenther@suse.de>
365 * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
366 newline in -alias dumps.
368 2012-02-07 Kai Tietz <ktietz@redhat.com>
369 Dave Korn <dave.korn.cygwin@gmail.com>
372 * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
373 Take care that typinfo gets dllexport-attribute.
375 2012-02-07 Jakub Jelinek <jakub@redhat.com>
378 * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
379 if modifier < EXPAND_SUM call force_operand on the result.
381 2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
383 * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
384 adding __forwarder_dst__ prefix if a forwarder_section attribute is
386 (epiphany_function_type): Replace types for specific interrupts with
387 EPIPHANY_FUNCTION_INTERRUPT.
388 (EPIPHANY_INTERRUPT_P): Update.
389 * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
391 (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
392 <disinterrupt>: Affects type identity.
393 (epiphany_handle_interrupt_attribute): Handle variable number of
395 (epiphany_compute_function_type): Update for new
396 epiphany_function_type definition.
397 (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
398 handlers with a longcall forwarder.
399 (epiphany_start_function): Handle multiple interrupt arguments and/or
400 forwarder_section attribute.
402 * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
405 2012-02-07 Alan Modra <amodra@gmail.com>
408 * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
411 2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
413 PR tree-optimization/50969
414 * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
415 use vec_perm rather than vector_stmt.
416 (vect_model_load_cost): Likewise.
417 * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
418 vec_perm to be the same as other vector statements.
419 * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
420 cost of vec_perm for TARGET_VSX.
422 2012-02-06 Richard Guenther <rguenther@suse.de>
424 PR tree-optimization/52115
425 * tree-sra.c (access_has_replacements_p): New function.
426 (sra_modify_assign): Use it to decide whether a use is uninitialized.
428 2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
431 * trans-mem.c (expand_call_tm): Add an assertion.
432 * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
435 2012-02-06 Richard Guenther <rguenther@suse.de>
437 PR tree-optimization/50955
438 * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
439 raise cost of expressions that replace an address with an
440 expression based on a different pointer.
442 2012-02-06 Jakub Jelinek <jakub@redhat.com>
445 * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
446 CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
448 2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
451 * doc/invoke.texi (C++ Dialect Options): Use @option markup for
452 -Weffc++ and specify guidelines come from second edition.
454 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
456 * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
457 (sibcall_value_multiple_internal, call_split, call_internal_direct)
458 (call_direct_split, call_value_split, call_value_internal_direct)
459 (call_value_direct_split, call_value_multiple_split): Use jal and
460 jal_macro attributes.
462 2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
464 * reload1.c (reload_regs_reach_end_p): Replace with...
465 (reload_reg_rtx_reaches_end_p): ...this function.
466 (new_spill_reg_store): Update commentary.
467 (emit_input_reload_insns): Don't clear new_spill_reg_store here.
468 (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
469 before setting new_spill_reg_store.
470 (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
471 Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
472 Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
473 for non-spill reload registers.
475 2012-02-05 Ira Rosen <irar@il.ibm.com>
477 PR tree-optimization/52091
478 * tree-vectorizer.h (vect_is_simple_use): Add an argument.
479 (vect_is_simple_use_1): Likewise.
480 * tree-vect-loop.c (vectorizable_reduction): Update calls
481 to vect_is_simple_use_1 and vect_is_simple_use.
482 (vectorizable_live_operation): Likewise.
483 * tree-vect-patterns.c (widened_name_p,
484 vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
485 * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
486 vectorizable_call, vectorizable_conversion, vectorizable_assignment,
487 vectorizable_shift,vectorizable_operation, vectorizable_store,
488 vectorizable_load): Likewise.
489 (vect_is_simple_cond): Add an argument, pass it to
490 vect_is_simple_use_1.
491 (vectorizable_condition): Update calls to vect_is_simple_cond,
493 (vect_is_simple_use): Add an argument, the statement in which
494 OPERAND is used. Check that if OPERAND's def stmt is a double
495 reduction phi node, the use is a phi node too.
496 (vect_is_simple_use_1): Add an argument, pass it to
498 * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
499 to vect_is_simple_use.
501 2012-02-04 Jakub Jelinek <jakub@redhat.com>
503 PR rtl-optimization/52095
504 * modulo-sched.c (dump_insn_locator): New function.
505 (loop_canon_p, sms_schedule): Use it.
507 PR rtl-optimization/52113
508 * lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
509 even for decomposable shift/zext insns.
511 2012-02-03 Jakub Jelinek <jakub@redhat.com>
512 Zdenek Dvorak <ook@ucw.cz>
514 PR rtl-optimization/52092
515 * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
516 on get_iv_value result.
518 2012-02-02 Andrew Pinski <apinski@cavium.com>
522 * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
524 2012-02-02 Jakub Jelinek <jakub@redhat.com>
527 * diagnostic.c (diagnostic_finish): Remove trailing newlines.
529 2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
531 PR rtl-optimization/49800
532 * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
533 (sched_finish): Call regstat_free_n_sets_and_refs.
535 2012-02-02 Jia Liu <proljc@gmail.com>
537 * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
540 2012-02-02 Jan Hubicka <jh@suse.cz>
541 Tom de Vries <tom@codesourcery.com>
544 * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
545 * varpool.c (varpool_analyze_pending_decls): Likewise.
547 2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
548 Jayant R Sonar <jayant.sonar@kpitcummins.com>
550 * config.gcc: Add cr16-* support.
552 * doc/extend.texi: Document cr16 extensions.
553 * doc/install.texi: Document cr16 install.
554 * doc/invoke.texi: Document cr16 options.
555 * doc/md.texi: Document cr16 constraints.
557 * common/config/cr16/cr16-common.c: New file.
558 * config/cr16/cr16.c: New file.
559 * config/cr16/cr16.h: New file.
560 * config/cr16/cr16.md: New file.
561 * config/cr16/cr16.opt: New file.
562 * config/cr16/cr16-protos.h: New file.
563 * config/cr16/predicates.md: New file.
564 * config/cr16/constraints.md: New file.
565 * config/cr16/t-cr16: New file.
567 2012-02-02 Jakub Jelinek <jakub@redhat.com>
570 * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
571 that operands[2] is either immediate, or q_regs_operand.
573 PR tree-optimization/52073
574 * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
575 a pattern stmt for pattern uses, ignore uses outside of the loop.
577 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
579 * config/avr/avr.c: Resolve all AS1 and AS2 macros.
580 * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
581 (OUT_AS1, OUT_AS2): Remove.
583 2012-02-01 Georg-Johann Lay <avr@gjlay.de>
585 PR rtl-optimization/51374
586 * combine.c (can_combine_p): Don't allow volatile_refs_p insns
587 to cross other volatile_refs_p insns.
589 2012-02-01 Richard Guenther <rguenther@suse.de>
591 * doc/invoke.texi (fno-inline): Clarify documentation.
592 (finline-small-functions): Likewise.
593 (finline-functions): Likewise.
594 * common.opt (finline): Adjust comment and documentation.
595 (finline-small-functions): Clarify documentation.
596 (finline-functions): Likewise.
597 (finline-functions-called-once): Likewise.
599 2012-02-01 Tristan Gingold <gingold@adacore.com>
601 * c-typeck.c (composite_type): Keep mode for pointers.
603 2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
605 * function.h (regno_reg_rtx): Adjust comment.
606 * reginfo.c (init_reg_modes_target): Only use the previous mode
607 if it fits within one register. Remove MIPS comment.
609 2012-01-31 Jakub Jelinek <jakub@redhat.com>
612 * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
614 2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
616 * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
619 2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
621 * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
623 2012-01-31 Jakub Jelinek <jakub@redhat.com>
628 * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
630 2012-01-31 Richard Guenther <rguenther@suse.de>
632 PR tree-optimization/51528
633 * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
636 2012-01-31 Jakub Jelinek <jakub@redhat.com>
641 * ree.c (add_removable_extension): Change def_map argument
642 to unsigned *, store in def_map 1 + offset into *insn_list vector
643 instead of pointers into the vector.
644 (find_removable_extensions): Adjust caller.
646 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
648 * config/avr/avr.md: Resolve all AS1 and AS2 macros.
649 Transform all "* quoted-c-code" to { c-code }.
650 Remove redundant test for "optimize" in combine patterns.
651 Move (include "avr-dimode.md") to end of file.
653 2012-01-30 Bin Cheng <bin.cheng@arm.com>
656 * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
657 for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
659 2012-01-30 Richard Guenther <rguenther@suse.de>
661 PR tree-optimization/52028
662 * tree-loop-distribution.c (ldist_gen): Properly update
665 2012-01-30 Jakub Jelinek <jakub@redhat.com>
668 * dwarf2out.c (dwarf2out_switch_text_section): Don't call
669 set_cur_line_info_table if not emitting debug info.
671 PR tree-optimization/52046
672 * tree-vect-patterns.c (check_bool_pattern): Give up if
673 a comparison could throw.
676 * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
678 2012-01-30 Richard Guenther <rguenther@suse.de>
680 PR tree-optimization/52045
681 * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
682 SSA form if cfgcleanup did anything.
684 2012-01-30 Richard Guenther <rguenther@suse.de>
686 PR tree-optimization/52045
687 * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
688 before computing final todo.
690 2012-01-30 Richard Guenther <rguenther@suse.de>
692 PR tree-optimization/51528
693 * tree-sra.c (sra_modify_assign): Re-factor in preparation
696 2012-01-30 Paolo Bonzini <bonzini@gnu.org>
698 * df-problems.c (df_kill_notes): Check that the use refers
699 to the note under examination.
701 2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
704 * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
705 parameter and use short-lived pseudos.
706 (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
707 (sparc_expand_vector_init): Const-ify local variables and adjust
708 calls to above functions.
710 2012-01-30 Georg-Johann Lay <avr@gjlay.de>
712 * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
714 2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
716 * doc/invoke.texi: Make usage of "compile time" and
717 "run time"/"runtime" consistent throughout the file.
719 2012-01-29 Uros Bizjak <ubizjak@gmail.com>
721 * config/alpha/alpha.c (alpha_option_override): Default to
722 full IEEE compliance mode for Go language.
724 2011-01-29 Tijl Coosemans <tijl@coosemans.org>
726 * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
727 (LINK_SSP_SPEC): Define.
729 2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
732 * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
735 2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
737 * doc/invoke.texi: Correct hyphenation of "floating point",
738 "double precision", and related terminology throughout the file.
740 2012-01-28 Jakub Jelinek <jakub@redhat.com>
743 * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
744 arm_general_register_operand predicate for operand 2 instead of
747 2012-01-27 Ian Lance Taylor <iant@google.com>
750 * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
751 * builtins.c (expand_builtin_init_trampoline): Add onstack
752 parameter. Change caller.
753 (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
754 * tree.c (build_common_builtin_nodes): Declare
755 __builtin_init_heap_trampoline.
757 2012-01-27 Georg-Johann Lay <avr@gjlay.de>
759 * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
760 tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
761 * config/avr/avr.c: Ditto.
762 (avr_regnames): Remove because unused.
763 * config/avr/avr.md (*cpse.ne): New peephole.
764 (*cpse.eq): New peephole from former cpse peepholes.
766 2012-01-27 Michael Eager <eager@eagercon.com>
768 * config/microblaze.c (microblaze_emit_compare): Correct
769 test after pcmp instruction.
771 2012-01-27 Richard Guenther <rguenther@suse.de>
773 PR tree-optimization/52020
774 * tree-sra.c (sra_modify_assign): Do not transform clobbers.
776 2012-01-27 Richard Guenther <rguenther@suse.de>
778 * ipa-pure-const.c (check_stmt): Clobbers do not make a
779 function non-const/pure.
781 2012-01-27 Richard Guenther <rguenther@suse.de>
783 PR tree-optimization/50444
784 * tree-sra.c (build_ref_for_offset): Properly adjust the
785 MEM_REF type for unaligned accesses.
787 2012-01-27 Richard Guenther <rguenther@suse.de>
789 PR tree-optimization/50444
790 * expr.c (mem_ref_refers_to_non_mem_p): New function.
791 (expand_assignment): Use it. Properly handle misaligned
792 bases when expanding stores to component references.
793 (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
796 2012-01-27 Andrey Belevantsev <abel@ispras.ru>
799 * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
800 * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
801 * tree-data-ref.c (find_data_references_in_loop): Make static.
802 (compute_all_dependences): Change return type to bool. Bail out
803 for too many datarefs in a loop. Move the hunk resetting the data
804 dependences vector from ...
805 (compute_data_dependences_for_loop): ... here. Account for
806 compute_all_dependences returning false.
807 (compute_data_dependences_for_bb): Likewise.
808 * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
809 * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
811 2012-01-27 Richard Guenther <rguenther@suse.de>
814 * expr.c (store_field): Use the alias-set of the scratch memory
817 2012-01-27 Tom de Vries <tom@codesourcery.com>
819 PR tree-optimization/51990
820 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
822 * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
824 2012-01-27 Jakub Jelinek <jakub@redhat.com>
827 * var-tracking.c (reverse_op): Don't add any reverse operation
828 if V already has any constant locations.
830 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
832 * doc/invoke.texi: Correct usage of "command line" (noun)
833 vs "command-line" (adjective) throughout.
835 2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
837 * doc/invoke.texi (Language Independent Options): Move
838 -Wcoverage-mismatch blurb from here....
839 (Warning Options): ...to here.
841 2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
843 * config/rs6000/rs6000.c (rs6000_option_override_internal):
844 Set rs6000_always_hint to false for 476.
846 2012-01-27 Matthias Klose <doko@ubuntu.com>
848 * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
850 * incpath.c (add_standard_paths): Likewise.
852 2012-01-27 Richard Henderson <rth@redhat.com>
854 * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
855 * config/m68k/sync.md (atomic_test_and_set): Rename from
856 sync_test_and_setqi and adjust the operands.
857 (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
858 and unconditionally enable.
860 2012-01-27 Richard Henderson <rth@redhat.com>
862 * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
863 * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
864 (ldstub): Rename from ldstubqi.
865 (ldstub<I24MODE>): Remove.
867 2012-01-27 Richard Henderson <rth@redhat.com>
869 * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
870 * c-cppbuiltin.c (cpp_atomic_builtins): Define
871 __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
872 * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
873 * doc/tm.texi: Rebuild.
875 2012-01-27 Richard Henderson <rth@redhat.com>
877 * optabs.c (gen_atomic_test_and_set): Remove default.
878 (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
880 2012-01-26 Jakub Jelinek <jakub@redhat.com>
882 PR rtl-optimization/51978
883 * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
884 (combine_reaching_defs): Likewise.
885 (struct re_info): Remove.
886 (add_removable_extension): Remove x and data arguments,
887 add insn, insn_list and def_map. Use the arguments directly
888 instead of using struct re_info.
889 (find_removable_extensions): Don't call add_removable_extension
890 through note_stores, instead just call it with single_set
892 (find_and_remove_re): Pass curr_cand->expr instead of
893 PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
895 2012-01-26 Michael Matz <matz@suse.de>
897 PR tree-optimization/46590
898 * cfgexpand.c: Revert last change (r183305).
899 * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
901 * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
902 checking for emptiness.
904 2012-01-26 Jakub Jelinek <jakub@redhat.com>
907 * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
908 non-addressable non-BLKmode base correctly.
910 2012-01-26 Michael Matz <matz@suse.de>
912 PR tree-optimization/48794
913 * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
914 regions referenced from RESX/EH_DISPATCH.
916 2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
918 * config/s390/s390.h: Make BRANCH_COST an option.
919 * config/s390/s390.opt: New option -mbranch-cost.
921 2012-01-26 Richard Henderson <rth@redhat.com>
923 Revert 2012-01-24 change:
924 * trans-mem.c (requires_barrier): Do not instrument thread local
925 variables and emit save/restore for them.
927 2012-01-25 Jakub Jelinek <jakub@redhat.com>
930 * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
933 2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
935 * config/mips/mips.c (mips_small_data_pattern_1): Don't process
938 2012-01-25 Georg-Johann Lay <avr@gjlay.de>
941 Rename __pgm to __flash.
942 Rename __pgm1 to __flash1.
943 Rename __pgm2 to __flash2.
944 Rename __pgm3 to __flash3.
945 Rename __pgm4 to __flash4.
946 Rename __pgm5 to __flash5.
947 Rename __pgmx to __memx.
948 * doc/extend.texi (AVR Named Address Spaces)
949 Rename address space names as indicated above.
950 * config/avr/avr.c (avr_addrspace): Ditto.
952 * config/avr/avr-protos.h
953 (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
954 (avr_mem_pgm_p): Rename to avr_mem_flash_p.
955 * config/avr/predicates.md: Ditto.
956 * config/avr/avr.c Ditto, and
957 (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
958 (avr_decl_pgm_p): Rename to avr_decl_flash_p.
960 * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
961 (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
962 (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
963 (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
964 (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
965 (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
966 (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
967 * config/avr/avr.c: Ditto.
968 * config/avr/avr.md: Ditto.
970 2012-01-25 Jason Merrill <jason@redhat.com>
973 * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
975 2012-01-25 Jakub Jelinek <jakub@redhat.com>
977 PR tree-optimization/51987
978 * tree-data-ref.c (get_references_in_stmt): Handle references in
979 non-volatile GIMPLE_ASM.
981 2012-01-25 Richard Guenther <rguenther@suse.de>
983 * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
984 bases are dereferenced.
986 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
988 PR rtl-optimization/48374
989 * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
991 2012-01-25 Andrey Belevantsev <abel@ispras.ru>
993 * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
994 compute_data_dependences_for_loop returns false.
995 * tree-parloops.c (loop_parallel_p): Likewise.
997 2012-01-25 Richard Guenther <rguenther@suse.de>
999 * tree.h (get_pointer_alignment_1): Declare.
1000 * builtins.c (get_pointer_alignment_1): New function.
1001 (get_pointer_alignment): Use it.
1003 2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1005 PR rtl-optimization/48308
1006 * combine.c (enum undo_kind): Add UNDO_LINKS.
1007 (struct undo): Add member l to other_contents and where.
1008 (do_SUBST_LINK): New.
1010 (try_combine): Handle LOG_LINKS for the dummy i1 case.
1011 (undo_all): Handle UNDO_LINKS.
1013 2012-01-25 Richard Henderson <rth@redhat.com>
1015 * optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
1018 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1020 * optabs.c (gen_atomic_test_and_set): Use each argument.
1022 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1024 * config/mips/mips-ps-3d.md (mips_addr_ps, reduc_splus_v2sf)
1025 (mips_cvt_pw_ps, mips_cvt_ps_pw, mips_mulr_ps, mips_cabs_cond_<fmt>)
1026 (mips_cabs_cond_4s, mips_cabs_cond_ps, bc1any4t, bc1any4f, bc1any2t)
1027 (bc1any2f, mips_rsqrt1_<fmt>, mips_rsqrt2_<fmt>, mips_recip1_<fmt>)
1028 (mips_recip2_<fmt>): Require TARGET_MIPS3D rather than
1029 TARGET_PAIRED_SINGLE_FLOAT.
1031 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1033 * doc/rtl.texi (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1034 (in_struct, return_val): Remove MEM documentation.
1035 * rtl.h (rtx_def): Remove MEM meanings from in_struct and return_val.
1036 (MEM_IN_STRUCT_P, MEM_SCALAR_P): Delete.
1037 (MEM_COPY_ATTRIBUTES): Remove references to MEM_IN_STRUCT_P
1039 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
1040 * cfgexpand.c (add_alias_set_conflicts): Likewise.
1041 * expr.c (store_field): Likewise.
1042 * function.c (assign_stack_temp_for_type): Likewise.
1043 * ifcvt.c (noce_try_cmove_arith): Likewise.
1044 * reload1.c (reload): Likewise.
1045 * config/alpha/alpha.c (alpha_set_memflags_1): Likewise.
1046 (alpha_set_memflags): Likewise.
1047 * config/m32c/m32c.c (m32c_immd_dbl_mov): Nullify.
1049 2012-01-24 Richard Sandiford <rdsandiford@googlemail.com>
1051 * rtl.h (true_dependence, canon_true_dependence): Remove varies
1053 * alias.c (fixed_scalar_and_varying_struct_p): Delete.
1054 (true_dependence_1, write_dependence_p, may_alias_p): Don't call it.
1055 (true_dependence_1, true_dependence, canon_true_dependence): Remove
1057 * cselib.c (cselib_rtx_varies_p): Delete.
1058 (cselib_invalidate_mem): Update call to canon_true_dependence.
1059 * dse.c (record_store, check_mem_read_rtx): Likewise.
1060 (scan_reads_nospill): Likewise.
1061 * cse.c (check_dependence): Likewise.
1062 (cse_rtx_varies_p): Delete.
1063 * expr.c (safe_from_p): Update call to true_dependence.
1064 * ira.c (validate_equiv_mem_from_store): Likewise.
1065 (memref_referenced_p): Likewise.
1066 * postreload-gcse.c (find_mem_conflicts): Likewise.
1067 * sched-deps.c (sched_analyze_2): Likewise.
1068 * store-motion.c (load_kills_store): Likewise.
1069 * config/frv/frv.c (frv_registers_conflict_p_1): Likewise.
1070 * gcse.c (mems_conflict_for_gcse_p): Likewise.
1071 (compute_transp): Update call to canon_true_dependence.
1073 2012-01-25 Richard Henderson <rth@redhat.com>
1075 * optabs.c (CODE_FOR_atomic_test_and_set): Provide default.
1076 (maybe_emit_atomic_test_and_set): New.
1077 (expand_sync_lock_test_and_set): Use it.
1078 (expand_atomic_test_and_set): Likewise.
1079 * doc/extend.texi (__atomic_test_and_set): Adjust the docs to match
1080 the implementation; clarify implementation defined details.
1081 * doc/md.texi (atomic_test_and_set): Document.
1083 2012-01-25 Richard Henderson <rth@redhat.com>
1085 * config/sparc/predicates.md (zero_or_v7_operand): Use match_code.
1087 2012-01-25 Richard Henderson <rth@redhat.com>
1090 * config/arm/arm.c (neon_split_vcombine): Emit deleted note
1091 to effect no-op split.
1093 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1096 * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
1097 (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
1098 (BT_FN_VOID_PTR_INT_SIZE): New.
1099 (BT_FN_UINT_UINT_VAR): Remove.
1100 (BT_FN_UINT32_UINT32_VAR): New.
1101 (BT_FN_DOUBLE_VPTR): Remove.
1102 (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
1104 * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
1105 (_ITM_changeTransactionMode): Same.
1106 (_ITM_memmoveRtWt): Change return type to void.
1107 (_ITM_memcpyRtWt): Same.
1108 (_ITM_memsetW): Same.
1109 (_ITM_RaRD): Change types to double.
1114 * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
1116 2012-01-24 Aldy Hernandez <aldyh@redhat.com>
1117 Patrick Marlier <patrick.marlier@gmail.com>
1119 * trans-mem.c (requires_barrier): Do not instrument thread local
1120 variables and emit save/restore for them.
1122 2012-01-24 Jason Merrill <jason@redhat.com>
1125 * cgraphunit.c (cgraph_decide_is_function_needed): Don't always
1126 output static aliases.
1128 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1131 * common.opt (-pie, -shared, pie, shared): Change from Common to
1133 * gcc.c (display_help): Display help for -pie and -shared.
1135 2012-01-24 Georg-Johann Lay <avr@gjlay.de>
1138 * doc/extend.texi (AVR Named Address Spaces): Move sample code up.
1139 Remove note on size/offset limitation.
1140 (AVR Variable Attributes): Add example how to read data located
1141 with progmem. Refer to named address spaces.
1142 * doc/invoke.texi (AVR Options): Fix typo.
1144 2012-01-24 Richard Guenther <rguenther@suse.de>
1146 Forward-port to trunk
1147 2010-09-21 Jakub Jelinek <jakub@redhat.com>
1150 * expr.c (expand_expr_real_1) <case VIEW_CONVERT_EXPR>: If
1151 op0 isn't sufficiently aligned and there is movmisalignM
1152 insn for mode, use it to load op0 into a temporary register.
1154 2012-01-24 Jakub Jelinek <jakub@redhat.com>
1157 * target.def (const_not_ok_for_debug_p): New hook.
1158 * doc/tm.texi.in (TARGET_CONST_NOT_OK_FOR_DEBUG_P): New hook
1160 * doc/tm.texi: Regenerated.
1161 * dwarf2out.c (const_ok_for_output_1): If
1162 targetm.const_not_ok_for_debug_p returns true, fail.
1163 * config/rs6000/rs6000.c (rs6000_const_not_ok_for_debug_p): New
1165 (TARGET_CONST_NOT_OK_FOR_DEBUG_P): Redefine.
1167 2012-01-23 Kai Tietz <ktietz@redhat.com>
1170 * config/i386/predicates.md (symbolic_operand): Allow
1171 UNSPEC_PCREL as PIC expression for lea.
1172 * config/i386/winnt.c (i386_pe_binds_local_p): Reworked.
1173 * config/i386/i386.c (ix86_delegitimize_address): Handle
1174 UNSPEC_PCREL for none-MEM, too.
1176 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1178 * trans-mem.c (ipa_tm_create_version): Set externally_visible.
1179 (ipa_tm_create_version_alias): Same.
1181 2012-01-23 Uros Bizjak <ubizjak@gmail.com>
1184 * builtin-types.def (BT_FN_UINT_UINT_VAR): New.
1185 * gtm-builtins.def (BUILT_IN_TM_START): Declare as BT_FN_UINT_UINT_VAR.
1187 2012-01-23 Aldy Hernandez <aldyh@redhat.com>
1188 Patrick Marlier <patrick.marlier@gmail.com>
1189 Iain Sandoe <developer@sandoe-acoustics.co.uk>
1192 * lto-wrapper.c (run_gcc): Pass the LTO section name to
1193 simple_object_start_read.
1195 2012-01-23 Richard Guenther <rguenther@suse.de>
1198 PR tree-optimization/51895
1199 * tree-sra.c (decide_one_param_reduction): Avoid sub-optimal
1200 parameter decomposition into BLKmode components.
1202 2012-01-23 Eric Botcazou <ebotcazou@adacore.com>
1204 * tree-ssa-structalias.c (intra_create_variable_infos): Do not create
1205 fake variables for restrict-qualified pointers whose pointed-to type
1206 contains a placeholder.
1208 2012-01-23 Richard Guenther <rguenther@suse.de>
1210 PR tree-optimization/51949
1211 * ipa-split.c (execute_split_functions): Do not split malloc functions.
1213 2012-01-23 Jakub Jelinek <jakub@redhat.com>
1215 PR rtl-optimization/51933
1216 * ree.c (transform_ifelse): Return true right away if dstreg is
1217 already wider or equal to cand->mode.
1218 (enum ext_modified_kind, struct ext_modified, ext_state): New types.
1219 (make_defs_and_copies_lists): Remove defs_list and copies_list
1220 arguments, add state argument, just truncate state->work_list
1221 instead of always allocating and freeing the vector. Assert that
1222 get_defs succeeds instead of returning 2. Changed return type to bool.
1223 (merge_def_and_ext): Add state argument. If SET_DEST doesn't
1224 have ext_src_mode, see if it has been modified already with the
1225 right kind of extension and has been extended before from the
1226 ext_src_mode. If SET_DEST is already wider or equal to cand->mode,
1227 just return true. Remember the original mode in state->modified array.
1228 (combine_reaching_defs): Add state argument. Don't allocate and
1229 free here def_list, copied_list and vec vectors, instead just
1230 VEC_truncate the vectors in *state. Don't handle outcome == 2 here.
1231 (find_and_remove_re): Set DF_DEFER_INSN_RESCAN df flag.
1232 Add state variable, clear vectors in it, initialize state.modified
1233 if needed. Free all the vectors at the end and state.modified too.
1234 Don't skip a candidate if the extension expression has been modified.
1236 2012-01-22 Douglas B Rupp <rupp@gnat.com>
1239 * config.gcc: (i[34567]86-*-interix3*): Remove from obsolete
1240 configurations. Change triplet to i[34567]86-*-interix[3-9]*.
1241 (extra_options) interix.opt -> i386/interix.opt"
1242 (extra_objs):Add winnt-stubs.o
1243 * configure.ac: Add interix to target_os .comm on PE check.
1244 * configure: Regenerate.
1245 * config/interix3.h: Delete and move bits to..
1246 * config/interix.h: Delete and move bits to..
1247 * config/i386/i386-interix3.h: Delete and move bits to..
1248 * config/i386/i386-interix.h: ..here.
1249 (TARGET_CPU_DEFAULT): Remove redefinition.
1250 (TARGET_ASM_CONSTRUCTOR): Undefine.
1251 (SUBTARGET_SWITCHES): Define for ms-bitfields.
1252 (TARGET_OS_CPP_BUILTINS): Remove __OPENNT. Add __declspec.
1253 (PTRDIFF_TYPE): Define.
1254 (LONG_DOUBLE_TYPE_SIZE): Define.
1255 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define.
1256 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
1257 (TARGET_SECTION_TYPE_FLAGS): Define.
1258 (ASM_DECLARE_FUNCTION_NAME): Define.
1259 (ASM_OUTPUT_EXTERNAL): Define.
1260 (ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
1261 (ASM_OUTPUT_ALIGNED_BSS): Define.
1262 (PCC_BITFIELD_TYPE_MATTERS): Define.
1263 (USE_CONST_SECTION): Define.
1264 (SUBTARGET_ENCODE_SECTION_INFO): Remove.
1265 (TARGET_ASM_FUNCTION_RODATA_SECTION): Remove.
1266 (SUPPORTS_ONE_ONLY): Remove.
1267 (I386_PE_STRIP_ENCODING): Define.
1268 * config/interix.opt: Delete and move bits to..
1269 * config/i386/interix.opt: ..here. New.
1270 (mpe-aligned-commons): Add.
1271 * config/i386/t-interix: Add copyright header.
1272 (winnt-stubs.o): Add rule.
1274 2012-01-22 Jason Merrill <jason@redhat.com>
1277 * varpool.c (varpool_analyze_pending_decls): Copy DECL_EXTERNAL
1278 for extra name aliases.
1280 2012-01-22 Eric Botcazou <ebotcazou@adacore.com>
1282 PR rtl-optimization/51924
1283 * ree.c (combine_set_extension): Improve debugging message.
1284 (combine_reaching_defs): Likewise.
1285 (get_defs): Rename confusingly named variable.
1286 (find_and_remove_re): Skip a candidate if the extension expression has
1289 2012-01-21 Robert Millan <rmh@gnu.org>
1290 Gerald Pfeifer <gerald@pfeifer.com>
1292 * config/kfreebsd-gnu.h (GNU_USER_DYNAMIC_LINKERX32): New macro.
1293 (GNU_USER_DYNAMIC_LINKER): Adjust indentation.
1295 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1297 PR tree-optimization/51914
1298 * tree-vect-stmts.c (vectorizable_conversion): For
1299 cvt_type && modifier == WIDEN, put temporary with cvt_type
1300 at the beginning of vec_dsts and set vec_dest to temporary
1303 2012-01-20 Eric Botcazou <ebotcazou@adacore.com>
1305 * cfgrtl.c (rtl_dump_bb): Do not dump insns for {ENTRY|EXIT}_BLOCK.
1307 2011-01-20 Tijl Coosemans <tijl@coosemans.org>
1309 * config/i386/i386.c: Fix checks for !TARGET_MACHO.
1310 * config/rs6000/rs6000.c: Likewise.
1312 2012-01-20 Jakub Jelinek <jakub@redhat.com>
1315 * config/arm/arm.c (arm_count_output_move_double_insns): Call
1316 output_move_double on a copy of operands array.
1318 2012-01-20 Cary Coutant <ccoutant@google.com>
1319 Dodji Seketeli <dodji@redhat.com>
1322 * dwarf2out.c (copy_declaration_context): Return ref to parent
1323 of declaration DIE, if necessary.
1324 (remove_child_or_replace_with_skeleton): Add new parameter; update
1325 caller. Place skeleton DIE under parent DIE of original declaration.
1326 Move call to copy_declaration_context to here ...
1327 (break_out_comdat_types): ... from here.
1329 2012-01-20 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1331 PR rtl-optimization/51856
1332 * reload.c (find_reloads_subreg_address): Set the address_reloaded
1335 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1338 * config/arm/arm.c (arm_print_operand): Correct output of alignment
1339 hints for neon loads and stores.
1341 2012-01-20 Georg-Johann Lay <avr@gjlay.de>
1345 * doc/extend.texi (Named Address Spaces): Split into subsections.
1346 (AVR Named Address Spaces): New subsection.
1347 (M32C Named Address Spaces): New subsection.
1348 (RL78 Named Address Spaces): New subsection.
1349 (SPU Named Address Spaces): New subsection.
1350 (Variable Attributes): New anchor "AVR Variable Attributes".
1351 (AVR Variable Attributes): Rewrite and avoid wording
1352 "address space" in this context.
1353 * doc/invoke.texi (AVR Options): Rewrite and add documentation
1354 for -maccumulate-args, -mbranch-cost=, -mrelax, -mshort-calls.
1355 (AVR Built-in Macros): New subsubsection therein.
1356 * doc/md.texi (AVR constraints): Remove "C04", "R".
1358 2012-01-20 Richard Guenther <rguenther@suse.de>
1360 PR tree-optimization/51903
1361 * tree-ssa-pre.c (eliminate): Properly purging of EH edges
1362 when removing stmts.
1364 2012-01-20 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
1367 * config/arm/arm.c (arm_load_pic_register): Use
1368 gen_pic_load_addr_unified. Delete calls to gen_pic_load_addr_32bit
1369 , gen_pic_add_dot_plus_eight and gen_pic_add_dot_plus_four.
1370 (arm_pic_static_addr): Likewise.
1371 (arm_rtx_costs_1): Adjust cost for UNSPEC_PIC_UNIFIED.
1372 (arm_note_pic_base): Handle UNSPEC_PIC_UNIFIED.
1373 * config/arm/arm.md (UNSPEC_PIC_UNIFIED): Define.
1374 (pic_load_addr_unified): New.
1376 2012-01-20 Andrey Belevantsev <abel@ispras.ru>
1379 * function.c (instantiate_virtual_regs_in_insn): Use
1380 delete_insn_and_edges when removing a wrong asm insn.
1382 2012-01-19 Vladimir Makarov <vmakarov@redhat.com>
1384 PR rtl-optimization/40761
1385 * ira-int.h (struct ira_loop_tree_node): Add comment for member loop.
1386 Add new member loop_num.
1387 (IRA_LOOP_NODE_BY_INDEX): Modify the check.
1388 (ira_build): Remove the parameter.
1390 * ira.c (ira_print_disposition): Use loop_num instead of loop->num.
1391 (ira.c): Do not build CFG loops for one region allocation. Remove
1392 argument from ira_build call.
1394 * ira-build.c (init_loop_tree_node): New function.
1395 (create_loop_tree_nodes): Use it. Separate the case when CFG
1396 loops are not built.
1397 (more_one_region_p): Check current_loops.
1398 (finish_loop_tree_nodes): Separate the case when CFG loops are not
1400 (add_loop_to_tree): Process loop equal to NULL too.
1401 (form_loop_tree): Separate the case when CFG loops are not built.
1402 Use explicitly number for the root.
1403 (rebuild_regno_allocno_maps, create_loop_tree_node_allocnos): Add
1405 (ira_print_expanded_allocno, loop_compare_func): Use loop_num
1406 instead of loop->num.
1407 (mark_loops_for_removal): Ditto. Use loop_num instead of loop->num.
1408 (mark_all_loops_for_removal): Ditto.
1409 (remove_unnecessary_regions): Separate the case when CFG loops
1411 (ira_build): Remove the parameter. Use explicit number of regions
1412 when CFG loops are not built.
1414 * ira-color.c (print_loop_title): Separate the case for the root node.
1415 Use loop_num instead of loop->num.
1416 (move_spill_restore): Use loop_num instead of loop->num.
1418 * ira-emit.c (setup_entered_from_non_parent_p): Add an assertion.
1419 (change_loop): Ditto.
1420 (change_loop): Use loop_num instead of loop->num.
1422 * ira-lives.c (process_bb_node_lives): Ditto.
1424 * ira-costs.c (print_allocno_costs, find_costs_and_classes): Ditto.
1426 * ira-conflicts.c (print_allocno_conflicts): Ditto.
1428 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1431 * tree-mudflap.c (mf_artificial): New function.
1432 (execute_mudflap_function_ops, execute_mudflap_function_decls,
1433 mx_register_decls, mudflap_enqueue_decl): Use it.
1436 * config/arm/neon.md (*neon_vswp<mode>): Fix up operand
1437 numbers in the insn pattern.
1439 2012-01-19 Michael Matz <matz@suse.de>
1441 PR tree-optimization/46590
1442 * cfgexpand.c (add_scope_conflicts_1): New old_conflicts argument,
1443 use it in remembering which conflicts we already created.
1444 (add_scope_conflicts): Adjust call to above, (de)allocate helper
1447 2012-01-19 Aldy Hernandez <aldyh@redhat.com>
1450 * lto-wrapper.c (run_gcc): Pass -fgnu_tm on.
1451 (merge_and_complain): Same.
1453 2012-01-19 Jakub Jelinek <jakub@redhat.com>
1456 * config/initfini-array.h: Guard content of the header
1457 with #ifdef HAVE_INITFINI_ARRAY.
1458 * configure.ac: Move gcc_AC_INITFINI_ARRAY much later into the file.
1459 Add initfini-array.h to tm_file here.
1460 * acinclude.m4 (gcc_AC_INITFINI_ARRAY): For non-ia64 do a linker test.
1461 * config.gcc: Don't add initfini-array.h to tm_file here.
1462 * configure: Regenerated.
1464 2012-01-19 Andrey Belevantsev <abel@ispras.ru>
1466 PR rtl-optimization/51505
1467 * df-problems.c (df_kill_notes): New parameter live. Update comment.
1468 Remove REG_EQUAL/REG_EQUIV notes referring to dead registers.
1469 (df_note_bb_compute): Update the call to df_kill_notes.
1471 2012-01-18 Aldy Hernandez <aldyh@redhat.com>
1473 * trans-mem.c (requires_barrier): Remove call to is_global_var.
1475 2012-01-18 Richard Guenther <rguenther@suse.de>
1477 * tree-ssa.c (useless_type_conversion_p): Remove special-casing
1478 of conversions to void *.
1480 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1481 Richard Sandiford <rdsandiford@googlemail.com>
1485 * optabs.h (simplify_expand_binop): Declare.
1486 * optabs.c (simplify_expand_binop): Make global.
1487 * expmed.c (store_bit_field_1): Use simplify_expand_binop on big
1488 endian targets if the source cannot be exactly covered by word
1491 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1494 * hard-reg-set.h (struct hard_reg_set_container): New type.
1495 * target.h (struct hard_reg_set_container): Forward declare.
1496 * target.def (set_up_by_prologue): New target hook.
1497 * doc/tm.texi.in (TARGET_SET_UP_BY_PROLOGUE): Document it.
1498 * doc/tm.texi: Regenerated.
1499 * function.c (thread_prologue_and_epilogue_insns): Change
1500 set_up_by_prologue HARD_REG_SET into struct hard_reg_set_container.
1501 Call targetm.set_up_by_prologue on it.
1502 * config/rs6000/rs6000.c (rs6000_set_up_by_prologue): New function.
1503 (TARGET_SET_UP_BY_PROLOGUE): Redefine to it.
1505 2012-01-17 Nick Clifton <nickc@redhat.com>
1507 * config/rx/rx.c (rx_can_use_simple_return): New function.
1508 * config/rx/rx-protos.h (rx_can_use_simple_return): Prototype.
1509 * config/rx/rx.md (return): Predicate on rx_can_use_simple_return.
1511 2012-01-17 Richard Guenther <rguenther@suse.de>
1514 * expr.c (expand_assignment): Take address-space information
1515 from the address operand of MEM_REF and TARGET_MEM_REF.
1516 (expand_expr_real_1): Likewise.
1518 2012-01-17 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
1520 * ira.c (do_reload): Make sure ira_dump_file is re-set if no
1521 reload dump is requested.
1523 2012-01-17 Aldy Hernandez <aldyh@redhat.com>
1526 * trans-mem.c (requires_barrier): Call may_be_aliased.
1528 2012-01-17 Jakub Jelinek <jakub@redhat.com>
1530 PR tree-optimization/51877
1531 * tree-ssa-tail-merge.c (gimple_equal_p): Don't return true whenever
1532 call arguments and fndecls compare equal, instead return false if they
1533 don't. Return true only if lhs1 and lhs2 are either both NULL, or
1534 both SSA_NAMEs that are valueized the same, or they satisfy
1537 2012-01-17 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1539 * configure.ac (gcc_cv_target_dl_iterate_phdr): Only check on
1541 * configure: Regenerate.
1543 2012-01-16 Jan Hubicka <jh@suse.cz>
1547 * convert.c (convert_to_integer): Use fold_convert for
1548 converting an INTEGER_CST to integer type.
1550 2012-01-16 Jason Merrill <jason@redhat.com>
1553 * vec.c (vec_gc_o_reserve_1): Use ggc_round_alloc_size.
1555 2012-01-16 Jakub Jelinek <jakub@redhat.com>
1558 * config/s390/s390.c (s390_chunkify_start): Don't skip
1559 call insns followed by NOTE_INSN_CALL_ARG_LOCATION note. Skip
1560 NOTE_INSN_VAR_LOCATION and NOTE_INSN_CALL_ARG_LOCATION notes.
1561 If insn is followed by NOTE_INSN_VAR_LOCATION or
1562 NOTE_INSN_CALL_ARG_LOCATION notes, insert jump after all those notes.
1563 Don't use location of note insns.
1565 PR tree-optimization/51865
1566 * tree-inline.c (tree_function_versioning): Call remap_decl
1567 on DECL_RESULT whenever it has VOID_TYPE_P type.
1569 2012-01-15 Richard Sandiford <rdsandiford@googlemail.com>
1571 * config/mips/mips.c (mips16_build_call_stub): Don't use a stub
1572 for calls to locally-binding MIPS16 functions if only the return
1573 type uses float regs.
1575 2012-01-15 Chung-Lin Tang <cltang@codesourcery.com>
1576 Richard Sandiford <rdsandiford@googlemail.com>
1578 * config/mips/mips-protos.h (SYMBOL_FORCE_TO_MEM): Delete.
1579 (SYMBOL_32_HIGH): Likewise.
1580 (mips_output_tls_reloc_directive): Declare.
1581 * config/mips/mips.h (PIC_FUNCTION_ADDR_REGNUM): Move to mips.md.
1582 (mips_use_pcrel_pool_p, mips_lo_relocs, mips_hi_relocs): Declare.
1583 * config/mips/mips.c (mips_use_pcrel_pool_p): New variable.
1584 (mips_lo_relocs, mips_hi_relocs): Make extern.
1585 (mips16_stub_function): Move up file.
1586 (mips_classify_symbol): Remove SYMBOL_FORCE_TO_MEM handling.
1587 (mips_symbolic_constant_p): Likewise. Remove SYMBOL_32_HIGH too.
1588 (mips_symbol_insns_1): Likewise. Check mips_use_pcrel_pool_p.
1589 (mips_cannot_force_const_mem): Use mips_use_pcrel_pool_p instead of
1590 SYMBOL_FORCE_TO_MEM. Only check mips_tls_symbol_ref_1 if it's false.
1591 (mips_get_tp): Add MIPS16 support.
1592 (mips_legitimize_tls_address): Remove MIPS16 sorry().
1593 Generalize DTPREL and TPREL handling.
1594 (mips_init_relocs): Initialize mips_use_pcrel_pool_p.
1595 Add MIPS16 TLS support.
1596 (mips_output_tls_reloc_directive): New function.
1597 (mips16_rewrite_pool_refs): Ignore UNSPEC_TLS_GET_TPs.
1598 * config/mips/predicates.md (symbolic_operand_with_high)
1599 (tls_reloc_operand): New predicates.
1600 (force_to_mem_operand): Use mips_use_pcrel_pool_p.
1601 * config/mips/mips.md (UNSPEC_UNSHIFTED_HIGH): New unspec.
1602 (PIC_FUNCTION_ADDR_REGNUM): Moved from mips.h.
1603 (*unshifted_high): New instruction. Use it for MIPS16 high splitter.
1604 (consttable_tls_reloc, tls_get_tp_mips16_<mode>): New patterns.
1605 (*tls_get_tp_mips16_call_<mode>): Likewise.
1607 2012-01-15 Uros Bizjak <ubizjak@gmail.com>
1609 PR rtl-optimization/51821
1610 * recog.c (peep2_find_free_register): Determine clobbered registers
1613 2012-01-14 Denis Chertykov <chertykov@gmail.com>
1616 * config/avr/avr-protos.h: Revert change of 2012-01-09.
1617 * config/avr/avr.c: Likewise.
1618 * config/avr/avr.h: Likewise.
1620 2012-01-13 Ian Lance Taylor <iant@google.com>
1623 * tree.h (TYPE_QUALS): Add cast to int.
1624 (TYPE_QUALS_NO_ADDR_SPACE): Likewise.
1626 2012-01-13 Ian Lance Taylor <iant@google.com>
1628 * ipa-cp.c (ipa_get_indirect_edge_target): Add typecasts when
1629 comparing param_index to VEC_length result.
1631 2012-01-13 Steven Bosscher <steven@gcc.gnu.org>
1633 * c-decl.c: Do not include tree-mudflap.h
1634 * tree-optimize.c: Likewise.
1635 * Makefile.in: Update dependencies.
1637 2012-01-13 Richard Guenther <rguenther@suse.de>
1640 * gimplify.c (gimplify_modify_expr_rhs): For calls with a
1641 variable-sized result always use RSO.
1643 2012-01-12 DJ Delorie <dj@redhat.com>
1645 * cfgexpand.c (convert_debug_memory_address): Allow any valid
1646 pointer type, not just the default pointer type.
1648 2012-01-09 Richard Henderson <rth@redhat.com>
1649 Denis Chertykov <chertykov@gmail.com>
1652 * config/avr/avr-protos.h (avr_hard_regno_nregs): Declare.
1653 * config/avr/avr.c (avr_can_eliminate): Simplify.
1654 (avr_initial_elimination_offset): Likewise.
1655 (avr_prologue_setup_frame): Use hard_frame_pointer_rtx.
1656 (expand_epilogue): Likewise.
1657 (avr_legitimize_address): Gut.
1658 (avr_legitimize_reload_address): Use hard_frame_pointer_rtx.
1659 (avr_hard_regno_nregs): New.
1660 (avr_hard_regno_ok): Allow only Pmode for arg and frame_pointers.
1661 (avr_regno_mode_code_ok_for_base_b): Handle arg and frame pointers.
1662 * config/avr/avr.h (FIXED_REGISTERS): Adjust arg pointer,
1663 add soft frame pointer.
1664 (CALL_USED_REGISTERS): Likewise.
1665 (REG_CLASS_CONTENTS): Likewise.
1666 (REGISTER_NAMES): Likewise.
1667 (HARD_REGNO_NREGS): Use avr_hard_regno_nregs.
1668 (HARD_FRAME_POINTER_REGNUM): New.
1669 (FRAME_POINTER_REGNUM): Use soft frame pointer.
1670 (ELIMINABLE_REGS): Eliminate from the soft frame pointer,
1671 remove the HARD_FRAME_POINTER self-elimination.
1673 2012-01-12 Georg-Johann Lay <avr@gjlay.de>
1676 * config/avr/avr.c (avr_encode_section_info): Test for absence of
1677 DECL_EXTERNAL when checking for initializers of progmem variables.
1679 2012-01-12 Ira Rosen <irar@il.ibm.com>
1681 PR tree-optimization/51799
1682 * tree-vect-patterns.c (vect_recog_over_widening_pattern): Check
1683 that the last operation is a type demotion.
1685 2012-01-12 Uros Bizjak <ubizjak@gmail.com>
1687 * config/i386/i386.md (*zero_extendsidi2_rex64): Correct movl template.
1688 (x86_shift<mode>_adj_1): Remove operand constraint from operand 3.
1690 2012-01-11 Jakub Jelinek <jakub@redhat.com>
1693 * combine.c (distribute_notes): If i3 is a noreturn call,
1694 allow old_size to be equal to args_size and make sure the
1695 noreturn call gets REG_ARGS_SIZE note.
1696 * expr.c (fixup_args_size_notes): Put REG_ARGS_SIZE notes
1697 on noreturn calls even when the delta is 0.
1699 2012-01-11 Nathan Sidwell <nathan@acm.org>
1701 * gcov.c (STRING_SIZE): Remove.
1702 (generate_results): Erase annotations for source files with no
1703 coverage information.
1705 (output_lines): Use it.
1707 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1709 * gimple.h (gimplify_body): Remove first argument.
1710 * gimplify.c (copy_if_shared): Add DATA argument. Do not create the
1711 pointer set here, instead just pass DATA to walk_tree.
1712 (unshare_body): Remove BODY_P argument and adjust. Create the pointer
1713 set here and invoke copy_if_shared on the size trees of DECL_RESULT.
1714 (unvisit_body): Likewise, but with unmark_visited.
1715 (gimplify_body): Remove BODY_P argument and adjust.
1716 (gimplify_function_tree): Adjust call to gimplify_body.
1717 * omp-low.c (finalize_task_copyfn): Likewise.
1719 2012-01-11 Eric Botcazou <ebotcazou@adacore.com>
1721 * tree.h (build_function_decl_skip_args): Add boolean parameter.
1722 (build_function_type_skip_args): Delete.
1723 * tree.c (build_function_type_skip_args): Make static and add
1724 SKIP_RETURN parameter. Fix thinko in the handling of variants.
1725 (build_function_decl_skip_args): Add SKIP_RETURN parameter and
1726 pass it to build_function_type_skip_args.
1727 * cgraph.h (cgraph_function_versioning): Add boolean parameter.
1728 (tree_function_versioning): Likewise.
1729 * cgraph.c (cgraph_create_virtual_clone): Adjust call to
1730 build_function_decl_skip_args.
1731 * cgraphunit.c (cgraph_function_versioning): Add SKIP_RETURN parameter
1732 and pass it to build_function_decl_skip_args/tree_function_versioning.
1733 (cgraph_materialize_clone): Adjust call to tree_function_versioning.
1734 * ipa-inline-transform.c (save_inline_function_body): Likewise.
1735 * trans-mem.c (ipa_tm_create_version): Likewise.
1736 * tree-sra.c (modify_function): Ditto for cgraph_function_versioning.
1737 * tree-inline.c (declare_return_variable): Remove always-true test.
1738 (tree_function_versioning): Add SKIP_RETURN parameter. If the function
1739 returns non-void and SKIP_RETURN, create a void-typed RESULT_DECL.
1740 * ipa-split.c (split_function): Skip the return value for the split
1741 part if it doesn't return.
1743 2012-01-11 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
1745 PR tree-optimization/49642
1746 * ipa-split.c (forbidden_dominators): New variable.
1747 (check_forbidden_calls): New function.
1748 (dominated_by_forbidden): Likewise.
1749 (consider_split): Check for forbidden dominators.
1750 (execute_split_functions): Initialize and free forbidden
1751 dominators info; call check_forbidden_calls.
1753 2012-01-11 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1755 * config/arm/arm.md (mov_notscc): Use MVN for false condition.
1757 2012-01-11 Nick Clifton <nickc@redhat.com>
1759 * config/rx/rx.md (return): Define pattern.
1761 2012-01-11 Richard Guenther <rguenther@suse.de>
1763 * doc/extend.texi (malloc attribute): Adjust according to
1766 2012-01-10 Aldy Hernandez <aldyh@redhat.com>
1767 Patrick Marlier <patrick.marlier@gmail.com>
1770 * trans-mem.c (get_cg_data): Traverse aliases if requested.
1771 (ipa_tm_scan_calls_block): Update parameters to get_cg_data.
1772 (ipa_tm_note_irrevocable): Same.
1773 (ipa_tm_scan_irr_block): Same.
1774 (ipa_tm_decrement_clone_counts): Same.
1775 (ipa_tm_scan_irr_function): Same.
1776 (ipa_tm_create_version_alias): Same.
1777 (ipa_tm_create_version): Same.
1778 (ipa_tm_transform_calls_redirect): Same.
1779 (ipa_tm_transform_calls): Same.
1780 (ipa_tm_transform_transaction): Same.
1781 (ipa_tm_execute): Same.
1783 2012-01-10 Richard Guenther <rguenther@suse.de>
1786 * opts.c (common_handle_option): Handle -Werror.
1788 2012-01-10 Andreas Schwab <schwab@linux-m68k.org>
1790 * config/m68k/sync.md ("atomic_compare_and_swap<mode>_1"): Fix
1793 2012-01-10 Jason Merrill <jason@redhat.com>
1795 * doc/invoke.texi (C++ Dialect Options): Update -fabi-version=6
1798 2012-01-10 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1800 * configure.ac (gcc_cv_as_ix86_tlsgdplt): Check if linker
1801 supports R_386_TLS_GD_PLT reloc.
1802 (gcc_cv_as_ix86_tlsldmplt): Check if linker
1803 supports R_386_TLS_LDM_PLT reloc.
1804 * configure: Regenerate.
1805 * config.in: Regenerate.
1807 2012-01-10 Georg-Johann Lay <avr@gjlay.de>
1810 Extend __pgmx semantics to linearize memory.
1811 * config/avr/avr.md (mov<mode>): Use avr_xload_libgcc_p to
1812 determine if code comes inline or from libgcc.
1813 (MOVMEM_r_d:HI): Add "w" to constraint for better preference.
1814 (movmem_qi, movmem_qi): Set constraint #2 to "n".
1815 (movmem_qi_elpm, movmem_hi_elpm): Remove insns.
1816 (movmemx_qi, movmemx_hi): New insns.
1817 (xload_<mode>_libgcc): Rewrite to new insn condition.
1818 (xload_<mode>): Remove insns.
1819 * config/avr/avr.c (avr_out_xload): Rewrite: Only need to handle
1820 cases that don't satisfy avr_xload_libgcc_p().
1821 (avr_addr_space_convert): Allow converting in any direction.
1822 (avr_addr_space_subset_p): Return always true.
1823 (avr_xload_libgcc_p): Rewrite to fit new __pgmx semantics.
1824 (avr_emit_movmemhi): Ditto.
1825 (avr_out_lpm): No need to handle ADDR_SPACE_PGMX any more.
1826 (avr_out_movmem): Ditto.
1827 (AVR_SYMBOL_FLAG_PROGMEM): New macro.
1828 (AVR_SYMBOL_SET_ADDR_SPACE): New macro.
1829 (AVR_SYMBOL_GET_ADDR_SPACE): New macro.
1830 (avr_encode_section_info): Encode 'progmem' in symbol flags.
1831 (output_reload_in_const): Don't zero-extend any 24-bit symbols.
1833 2012-01-10 Richard Guenther <rguenther@suse.de>
1835 PR tree-optimization/50913
1836 * graphite-scop-detection.c (stmt_has_simple_data_refs_p):
1837 Require data-refs to be representable by Graphite with respect
1840 2012-01-10 Uros Bizjak <ubizjak@gmail.com>
1842 * config/i386/constraints.md ("L"): Return true for 0xffffffff.
1843 * config/i386/i386.c (*anddi_1): Emit AND with 0xffffffff as MOV.
1845 2012-01-10 Tom de Vries <tom@codesourcery.com>
1847 PR rtl-optimization/51271
1848 * dwarf2cfi.c (scan_trace): Save and restore cur_row->reg_save when
1849 handling annulled branch.
1851 2012-01-10 Richard Henderson <rth@redhat.com>
1853 * config/arm/arm.c (arm_vectorize_vec_perm_const_ok,
1854 TARGET_VECTORIZE_VEC_PERM_CONST_OK, neon_split_vcombine, MAX_VECT_LEN,
1855 struct expand_vec_perm_d, arm_expand_vec_perm_1, arm_expand_vec_perm,
1856 arm_evpc_neon_vuzp, arm_evpc_neon_vzip, arm_evpc_neon_vrev,
1857 arm_evpc_neon_vtrn, arm_evpc_neon_vtbl, arm_expand_vec_perm_const_1,
1858 arm_expand_vec_perm_const): New.
1859 * config/arm/arm-protos.h: Update.
1860 * config/arm/neon.md (UNSPEC_VCONCAT): New.
1861 (*neon_vswp<VDQX>): New.
1862 (neon_vcombine<VDX>): Use neon_split_vcombine.
1863 (neon_vtbl1v16qi, neon_vtbl2v16qi, neon_vcombinev16qi): New.
1864 * config/arm/vec-common.md (vec_perm_const<VALL>): New.
1865 (vec_perm<VE>): New.
1867 2012-01-10 Richard Henderson <rth@redhat.com>
1869 * config/arm/arm.c (arm_gen_compare_reg): Add scratch argument;
1870 use it if reload_completed.
1871 (arm_legitimize_sync_memory, arm_emit, arm_insn_count, arm_count,
1872 arm_output_asm_insn, arm_process_output_memory_barrier,
1873 arm_output_memory_barrier, arm_ldrex_suffix, arm_output_ldrex,
1874 arm_output_strex, arm_output_it, arm_output_op2, arm_output_op3,
1875 arm_output_sync_loop, arm_get_sync_operand, FETCH_SYNC_OPERAND,
1876 arm_process_output_sync_insn, arm_output_sync_insn,
1877 arm_sync_loop_insns, arm_call_generator, arm_expand_sync): Remove.
1878 (arm_pre_atomic_barrier, arm_post_atomic_barrier): New.
1879 (arm_emit_load_exclusive, arm_emit_store_exclusive): New.
1880 (emit_unlikely_jump): New.
1881 (arm_expand_compare_and_swap, arm_split_compare_and_swap): New.
1882 (arm_split_atomic_op): New.
1883 * config/arm/arm-protos.h: Update.
1884 * config/arm/arm.h (enum arm_sync_generator_tag): Remove.
1885 (struct arm_sync_generator): Remove.
1886 * config/arm/arm.md (VUNSPEC_SYNC_COMPARE_AND_SWAP, VUNSPEC_SYNC_LOCK,
1887 VUNSPEC_SYNC_OP, VUNSPEC_SYNC_NEW_OP, VUNSPEC_SYNC_OLD_OP): Remove.
1888 (VUNSPEC_ATOMIC_CAS, VUNSPEC_ATOMIC_XCHG, VUNSPEC_ATOMIC_OP): New.
1889 (VUNSPEC_LL, VUNSPEC_SC): New.
1890 (sync_result, sync_memory, sync_required_value, sync_new_value,
1891 sync_t1, sync_t2, sync_release_barrier, sync_op): Remove.
1892 (attr length): Don't use arm_sync_loop_insns.
1893 (cbranch_cc, cstore_cc): Update call to arm_gen_compare_reg.
1894 (movsfcc, movdfcc): Likewise.
1895 * config/arm/constraints.md (Ua): New.
1896 * config/arm/prediates.md (mem_noofs_operand): New.
1897 (sync_compare_and_swap<QHSD>, sync_lock_test_and_set<QHSD>): Remove.
1898 (sync_clobber, sync_t2_reqd): Remove.
1899 (sync_<syncop><QHSD>, sync_nand<QHSD>): Remove.
1900 (sync_new_<syncop><QHSD>, sync_new_nand<QHSD>): Remove.
1901 (sync_old_<syncop><QHSD>, sync_old_nand<QHSD>): Remove.
1902 (arm_sync_compare_and_swap<SIDI>): Remove.
1903 (arm_sync_compare_and_swap<NARROW>): Remove.
1904 (arm_sync_lock_test_and_set<SIDI>): Remove.
1905 (arm_sync_lock_test_and_set<NARROW>): Remove.
1906 (arm_sync_new_<syncop><SIDI>): Remove.
1907 (arm_sync_new_<syncop><NARROW>): Remove.
1908 (arm_sync_new_nand<SIDI>): Remove.
1909 (arm_sync_new_nand<NARROW>): Remove.
1910 (arm_sync_old_<syncop><SIDI>): Remove.
1911 (arm_sync_old_<syncop><NARROW>): Remove.
1912 (arm_sync_old_nand<SIDI>): Remove.
1913 (arm_sync_old_nand<NARROW>): Remove.
1914 (*memory_barrier): Merge arm_output_memory_barrier.
1915 (atomic_compare_and_swap<QHSD>): New.
1916 (atomic_compare_and_swap<NARROW>_1): New.
1917 (atomic_compare_and_swap<SIDI>_1): New.
1918 (atomic_exchange<QHSD>): New.
1919 (cas_cmp_operand, cas_cmp_str): New.
1920 (atomic_op_operand, atomic_op_str): New.
1921 (atomic_<syncop><QHSD>, atomic_nand<QHSD>): New.
1922 (atomic_fetch_<syncop><QHSD>, atomic_fetch_nand<QHSD>): New.
1923 (atomic_<syncop>_fetch<QHSD>, atomic_nand_fetch<QHSD>): New.
1924 (arm_load_exclusive<NARROW>): New.
1925 (arm_load_exclusivesi, arm_load_exclusivedi): New.
1926 (arm_store_exclusive<QHSD>): New.
1928 2012-01-09 Michael Meissner <meissner@linux.vnet.ibm.com>
1930 * config/rs6000/rs6000.c (rs6000_init_hard_regno_mode_ok): Add DF
1931 reload patterns if -mvsx-scalar-memory.
1933 * config/rs6000/vsx.md (vsx_xscvspdp): Allow xscvspdp to be
1934 generated, even -mno-vsx-scalar-double was used.
1935 (vsx_xscvdpsp_scalar): Likewise.
1936 (vsx_xscvspdp_scalar2): Likewise.
1938 2012-01-09 Tom de Vries <tom@codesourcery.com>
1939 Andrew Pinski <apinski@cavium.com>
1942 * reorg.c (fill_slots_from_thread): Don't speculate
1943 frame-related insns.
1945 2012-01-09 Richard Sandiford <rdsandiford@googlemail.com>
1947 * sched-int.h (bb_note): Move to...
1948 * basic-block.h: ...here.
1949 * haifa-sched.c (bb_note): Move to...
1950 * cfgrtl.c: ...here.
1951 * function.c (next_block_for_reg): New function.
1952 (move_insn_for_shrink_wrap): Likewise.
1953 (prepare_shrink_wrap): Rewrite to use the above.
1955 2012-01-09 Aldy Hernandez <aldyh@redhat.com>
1957 * gimple.c (is_gimple_non_addressable): Remove.
1958 * gimple.h: Remove is_gimple_non_addressable.
1959 * gimplify.c (gimplify_modify_expr_rhs): Use is_gimple_reg instead of
1960 is_gimple_non_addressable.
1961 * trans-mem.c (expand_assign_tm): Same.
1963 2012-01-09 Richard Guenther <rguenther@suse.de>
1965 PR tree-optimization/51775
1966 * tree-ssa-sccvn.c (visit_use): Value-number throwing stmts.
1967 * tree-ssa-pre.c (eliminate): Properly fixup EH info.
1969 2012-01-09 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
1971 * config/arm/arm-cores.def (cortex-a15): Use cortex_a15_tune for
1973 * config/arm/arm.c (arm_cortex_a15_tune): New static variable.
1975 2012-01-09 Richard Guenther <rguenther@suse.de>
1977 * tree-streamer-out.c (write_ts_optimization): Fix spelling.
1979 2012-01-08 Jan Hubicka <jh@suse.cz>
1981 PR tree-optimize/51680
1982 * ipa-inline-analyss.c (evaluate_properties_for_edge): Fix condition
1983 on when known_vals needs to be computed; cleanup.
1985 2012-01-08 Jan Hubicka <jh@suse.cz>
1987 PR tree-optimize/51694
1988 * ipa-cp.c (ipa_get_indirect_edge_target): Add bounds checks.
1990 2012-01-08 Jonathan Wakely <jwakely.gcc@gmail.com>
1992 * doc/cpp.texi (Predefined Macros): __STRICT_ANSI__ is defined
1993 for -std=c++98 and -std=c++11 too.
1995 2012-01-08 Chung-Lin Tang <cltang@codesourcery.com>
1997 * cfgloop.c (cancel_loop): Add free() of bbs array.
1999 2012-01-07 Jan Hubicka <jh@suse.cz>
2001 PR tree-optimization/51600
2002 * ipa-inline-analysis.c (estimate_edge_devirt_benefit): Disable code
2003 that benefits small functions.
2005 2012-01-07 Jan Hubicka <jh@suse.cz>
2007 * ipa-inline.c (want_inline_small_function_p): Fix formating.
2009 2012-01-07 Jan Hubicka <jh@suse.cz>
2011 PR tree-optimization/51680
2012 * ipa-inline.c (want_inline_small_function_p): Be more lax on functions
2013 whose inlining reduce unit size.
2015 2012-01-07 Alexandre Oliva <aoliva@redhat.com>
2018 * cselib.c (new_elt_loc_list): Promote addr_list to canonical node.
2019 Add canonical node to containing_mem chain after the non-canonical
2020 one, even if there weren't any locs to propagate.
2021 (remove_useless_values): Keep only canonical values.
2022 (add_mem_for_addr, cselib_lookup_mem): Canonicalize addr.
2023 (cselib_invalidate_mem): Likewise. Ensure v is canonical, and
2024 canonicalize mem_chain elements that are not discarded.
2026 2012-01-06 Jakub Jelinek <jakub@redhat.com>
2029 * cgraphunit.c (cgraph_optimize): Call output_weakrefs
2030 before emitting functions.
2032 PR gcov-profile/50127
2033 * bb-reorder.c (partition_hot_cold_basic_blocks): Call
2034 clear_aux_for_blocks.
2036 2012-01-06 Alexandre Oliva <aoliva@redhat.com>
2039 * cselib.c (cselib_hash_rtx): Hash incoming VALUEs too.
2041 2012-01-06 Arnaud Charlet <charlet@adacore.com>
2043 * c-decl.c (ext_block): Moved up.
2044 (collect_all_refs, for_each_global_decl): Take ext_block into account.
2046 2012-01-06 Han Shen <shenhan@google.com>
2048 Translate built-in include paths for sysroot.
2049 * Makefile.in (gcc_gxx_include_dir_add_sysroot): New.
2050 (PREPROCESSOR_DEFINES): Define GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT.
2052 * cppdefault.c (cpp_include_defaults): Replace hard coded "0" with
2053 GPLUSPLUS_INCLUDE_DIR_ADD_SYSROOT for "add_sysroot" field.
2055 * configure.ac (AC_SUBST): Add gcc_gxx_include_dir_add_sysroot to
2056 control whether sysroot should be prepended to gxx include dir.
2058 * configure: Regenerate.
2060 2012-01-06 Torvald Riegel <triegel@redhat.com>
2062 PR rtl-optimization/51771
2063 * builtin-attrs.def (ATTR_RETURNS_TWICE, ATTR_TM_NOTHROW_RT_LIST): New.
2064 * gtm-builtins.def (BUILT_IN_TM_START): Add returns-twice attrib.
2066 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2068 PR tree-optimization/51315
2069 * tree-sra.c (tree_non_aligned_mem_for_access_p): New predicate.
2070 (build_accesses_from_assign): Use it instead of tree_non_aligned_mem_p.
2072 2012-01-05 Uros Bizjak <ubizjak@gmail.com>
2075 * config/ia64/ia64.c (expand_vec_perm_shrp): Use correct operands
2076 for shrp pattern. Correctly handle and fixup shift variable.
2077 Return false when shift > nelt for BYTES_BIG_ENDIAN target.
2079 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2082 * calls.c (emit_call_1): For noreturn calls force a REG_ARGS_SIZE
2083 note when !ACCUMULATE_OUTGOING_ARGS.
2085 2012-01-05 Eric Botcazou <ebotcazou@adacore.com>
2087 * tree-vrp.c (extract_range_from_binary_expr_1): Remove duplicated
2089 (extract_range_from_unary_expr_1): Avoid useless computations.
2091 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2093 PR rtl-optimization/51767
2094 * cfgrtl.c (force_nonfallthru_and_redirect): Force addition
2095 of jump_block and add an extra edge for degenerated asm gotos.
2098 * stmt.c (check_unique_operand_names): Don't ICE during error
2099 reporting if i is from labels chain.
2102 * profile.c (branch_prob): Split bbs that have exit edge
2103 and need a fake entry edge too.
2105 2012-01-05 Jan Hubicka <jh@suse.cz>
2108 * cfgloopmanip.c (remove_path): Walk loop hiearchy upwards when
2111 2012-01-05 Richard Guenther <rguenther@suse.de>
2114 * tree-streamer-out.c (write_ts_optimization): New function.
2115 (streamer_write_tree_body): Call it.
2116 * tree-streamer-in.c (lto_input_ts_optimization): New function.
2117 (streamer_read_tree_body): Call it.
2118 * lto-streamer-out.c (lto_is_streamable): Handle OPTIMIZATION_NODE.
2120 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2123 * gimple.h (struct gimplify_ctx): Add in_cleanup_point_expr field.
2124 * gimplify.c (gimplify_cleanup_point_expr): Save and set
2125 in_cleanup_point_expr before gimplify_stmt call and restore it
2127 (gimplify_target_expr): Don't add {CLOBBER} cleanup if
2128 in_cleanup_point_expr is false.
2130 2012-01-05 Richard Guenther <rguenther@suse.de>
2133 * common.opt (Wmudflap, fmudflap, fmudflapth, fmudflapir): Move
2135 * toplev.c (process_options): Reject combining mudflap and LTO.
2136 * tree-nomudflap.c (nogo): Use sorry instead of internal_error.
2138 2012-01-05 Richard Guenther <rguenther@suse.de>
2140 PR tree-optimization/51760
2141 * tree-ssa-ccp.c (likely_value): Drop UNDEFINED to CONSTANT,
2143 (bit_value_unop): Handle UNDEFINED operands.
2144 (bit_value_binop): Likewise.
2146 2012-01-05 Georg-Johann Lay <avr@gjlay.de>
2148 * config/avr/avr.c (avr_replace_prefix): Remove.
2149 (avr_asm_named_section): Use ACONCAT instead of avr_replace_prefix.
2150 (avr_asm_function_rodata_section): Ditto.
2151 (avr_asm_select_section): Ditto.
2153 2012-01-05 Marcus Shawcroft <marcus.shawcroft@arm.com>
2155 * reload.c (find_reloads): Adjust LABEL_NUSES on REG_LABEL_OPERAND
2158 2012-01-05 Jakub Jelinek <jakub@redhat.com>
2161 * tree-cfg.c (need_fake_edge_p): Return true also for noreturn
2162 calls that have any non-fake successor edges.
2165 * var-tracking.c (add_stores): For COND_EXEC allow oval to be NULL.
2167 2012-01-04 Eric Botcazou <ebotcazou@adacore.com>
2169 PR tree-optimization/51624
2170 * tree-sra.c (build_ref_for_model): When replicating a chain of
2171 COMPONENT_REFs, stop as soon as the offset would become negative.
2173 2012-01-04 Jakub Jelinek <jakub@redhat.com>
2176 * dwarf2out.c (output_loc_list): For now drop >= 64KB expressions
2177 in .debug_loc on the floor.
2179 2012-01-04 Andrew Pinski <apinski@cavium.com>
2181 * doc/invoke.texi (-march=@var{arch}): Add octeon+ and octeon2.
2183 2012-01-04 Andrew Pinski <apinski@cavium.com>
2184 Adam Nemet <anemet@caviumnetworks.com>
2186 * config/mips/mips.md (size): Add SI and DI.
2187 (SIZE): New mode attribute.
2188 (U): New code attribute.
2189 * config/mips/mips-dsp.md (mips_lbux): Use gen_mips_lbux_extsi.
2190 (mips_lbux_<mode>): Delete.
2191 (mips_l<SHORT:size><u>x_ext<GPR:mode>_<P:mode>): New pattern.
2192 (mips_lhx): Use gen_mips_lhx_extsi.
2193 (mips_lhx_<mode>): Delete.
2195 (mips_l<size>x): New expand.
2196 (mips_lwx_<mode>): Delete.
2197 (mips_l<GPR:size>x_<P:mode>): New pattern.
2198 (*mips_lw<u>x_<P:mode>_ext): Likewise.
2199 * config/mips/mips-ftypes.def: Add DI f(POINTER, SI) function type.
2200 * config/mips/mips.c (mips_lx_address_p): New function.
2201 (mips_rtx_costs <case MEM>): Call mips_lx_address_p.
2202 (dsp64): New availability predicate.
2203 (mips_builtins): Add an entry for __builtin_mips_ldx.
2204 * config/mips/mips.h (ISA_HAS_LBX): New define.
2205 (ISA_HAS_LBUX): Likewise.
2206 (ISA_HAS_LHX): Likewise.
2207 (ISA_HAS_LHUX): Likewise.
2208 (ISA_HAS_LWX): Likewise.
2209 (ISA_HAS_LWUX): Likewise.
2210 (ISA_HAS_LDX): Likewise.
2211 * doc/extend.texi (__builtin_mips_ldx): Document.
2213 2012-01-04 Tristan Gingold <gingold@adacore.com>
2215 * config/vms/xm-vms.h (HOST_LONG_FORMAT, HOST_PTR_PRINTF): Define
2216 when long pointers are used.
2217 * config.build (*-*-*vms*): Handle all OpenVMS targets.
2218 (alpha64-dec-*vms*, alpha*-dec-*vms*)
2219 (ia64-hp-*vms*): Remove.
2220 * config/vms/xm-vms64.h: Delete.
2222 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2225 * trans-mem.c (expand_assign_tm): Handle TM_MEMMOVE loads correctly.
2227 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2229 * opts.c (finish_options): Remove duplicate sorry.
2231 2012-01-04 Aldy Hernandez <aldyh@redhat.com>
2234 * trans-mem.c (diagnose_tm_1): Display indirect calls with no name
2237 2012-01-04 Richard Guenther <rguenther@suse.de>
2240 * tree.c (size_low_cst): New function.
2241 * tree.h (size_low_cst): Declare.
2242 * fold-const.c (fold_comparison): Use it to extract the low
2243 part of the POINTER_PLUS_EXPR offset.
2245 2012-01-04 Georg-Johann Lay <avr@gjlay.de>
2247 Fix clearing ZERO_REG
2248 * config/avr/avr.md (cc): Add alternative "ldi".
2249 (movqi_insn): Use it in cc attribute.
2250 * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
2251 (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
2252 (output_reload_insisf): Use ZERO_REG to pre-clear register.
2254 2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2256 * configure: Regenerate.
2258 2012-01-04 Richard Guenther <rguenther@suse.de>
2260 PR tree-optimization/49651
2261 * tree-ssa-structalias.c (type_can_have_subvars): New function.
2262 (var_can_have_subvars): Use it.
2263 (get_constraint_for_1): Only consider subfields if there can be any.
2265 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2268 * cselib.c (new_elt_loc_list): When moving locs from one cselib_val
2269 to its new canonical_cselib_val and the cselib_val was in
2270 first_containing_mem chain, but the canonical_cselib_val was not,
2271 add the latter into the chain.
2272 (cselib_invalidate_mem): Compare canonical_cselib_val of
2273 addr_list chain elt with v.
2276 * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
2277 dwarf2out_undef): Allocate e.info using ggc_strdup instead
2279 (output_macinfo_op): Don't ggc_strdup fd->filename.
2280 (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
2281 then ggc_strdup it. Don't free inc->info or cur->info.
2282 (output_macinfo): Don't free ref->info or file->info.
2284 2012-01-03 Ira Rosen <irar@il.ibm.com>
2286 PR tree-optimization/51269
2287 * tree-vect-loop-manip.c (set_prologue_iterations): Make
2288 first_niters a pointer.
2289 (slpeel_tree_peel_loop_to_edge): Likewise.
2290 (vect_do_peeling_for_loop_bound): Update call to
2291 slpeel_tree_peel_loop_to_edge.
2292 (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
2293 here. Remove it from the parameters list.
2294 (vect_do_peeling_for_alignment): Update calls and compute
2297 2012-01-03 Richard Guenther <rguenther@suse.de>
2299 PR tree-optimization/51070
2300 * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
2301 Properly handle calls.
2303 2012-01-03 Richard Guenther <rguenther@suse.de>
2305 PR tree-optimization/51692
2306 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
2307 the LHS of allocation stmts.
2309 2012-01-03 Olivier Hainque <hainque@adacore.com>
2311 * system.h: Prior to #define, #undef fopen and freopen unconditionally.
2313 2012-01-03 Olivier Hainque <hainque@adacore.com>
2315 * collect2.c (main): In AIX specific computations for vector
2316 insertions, use CONST_CAST2 to cast from char ** to const char **.
2318 2012-01-03 Richard Guenther <rguenther@suse.de>
2321 * dwarf2out.c (dwarf2out_finish): Always create a DIE for
2322 the context of a limbo DIE when it does not already exist.
2324 2012-01-03 Jakub Jelinek <jakub@redhat.com>
2326 PR tree-optimization/51719
2327 * value-prof.c (gimple_ic): When indirect call isn't noreturn,
2328 but direct call is, clear direct call's lhs and don't add fallthrough
2329 edge from dcall_bb to join_bb and PHIs.
2331 2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
2333 * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
2334 the instructions emitted by the pattern.
2335 ("*TDC_insn_<mode>"): Add comment.
2337 2012-01-03 Richard Guenther <rguenther@suse.de>
2340 * fold-const.c (fold_comparison): Properly canonicalize
2341 tree offset and HOST_WIDE_INT bit position.
2343 2012-01-02 Uros Bizjak <ubizjak@gmail.com>
2345 * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
2346 operands for extzv pattern.
2348 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2351 * cselib.c (add_mem_for_addr): Call canonical_cselib_val
2354 2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
2356 * doc/invoke.texi (-flto and related options): Copy-edit.
2358 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2360 * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
2362 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2364 * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
2367 2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
2369 * expr.h (move_by_pieces_ninsns): Declare.
2370 * expr.c (move_by_pieces_ninsns): Make external.
2371 * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
2372 (mips_store_by_pieces_p): Likewise.
2373 * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
2374 (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
2375 * config/mips/mips.c (mips_move_by_pieces_p): New function.
2376 (mips_store_by_pieces_p): Likewise.
2378 2012-01-02 Jakub Jelinek <jakub@redhat.com>
2380 * passes.c (register_one_dump_file): Free full_name.
2382 * reload1.c (reload): Don't allocate reg_max_ref_width here.
2383 (calculate_elim_costs_all_insns): Free offsets_at and
2384 offsets_known_at at the end and clear the pointers.
2386 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2388 * config/avr/avr.opt (-mbranch-cost): Fix double definition of
2389 this option introduced in r180739.
2391 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2394 * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
2395 (tmake_file target=avr): Add avr/t-multilib.
2397 * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
2398 to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
2399 * config/avr/genmultilib.awk: New file.
2400 * config/avr/t-multilib: New auto-generated file.
2401 * config/avr/multilib.h: New auto-generated file.
2402 * config/avr/t-avr (AVR_MCUS): New variable.
2403 (genopt.sh): Use it.
2404 (s-mlib): Depend on t-multilib.
2405 (t-multilib, multilib.h): New dependencies.
2406 (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
2407 (MULTILIB_OPTIONS): Remove.
2408 (MULTILIB_MATCHES): Remove.
2409 (MULTILIB_DIRNAMES): Remove.
2410 (MULTILIB_EXCEPTIONS): Remove:
2411 * config/avr/genopt.sh: Don't use hard coded file name;
2412 pass AVR_MCUS from t-avr instead.
2414 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2416 * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
2418 2012-01-02 Georg-Johann Lay <avr@gjlay.de>
2420 Implement light-weight DImode support.
2421 * config/avr/avr-dimode.md: New file.
2422 * config/avr/avr.md: Include it.
2423 (adjust_len): Add plus64, compare64.
2424 (HIDI): Remove code iterator.
2425 (code_stdname): New code attribute.
2426 (rotx, rotsmode): Remove DI.
2427 (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
2429 * config/avr/avr-protos.h (avr_have_dimode): New.
2430 (avr_out_plus64, avr_out_compare64): New.
2431 * config/avr/avr.c (avr_out_compare): Handle DImode.
2432 (avr_have_dimode): New variable definition and initialization.
2433 (avr_out_compare64, avr_out_plus64): New functions.
2434 (avr_out_plus_1): Use simplify_unary_operation to negate xval.
2435 (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
2436 (avr_compare_pattern): Skip DImode comparisons.
2438 2012-01-02 Revital Eres <revital.eres@linaro.org>
2440 * ddg.c (def_has_ccmode_p): New function.
2441 (add_cross_iteration_register_deps,
2442 create_ddg_dep_from_intra_loop_link): Call it.
2444 2012-01-02 Richard Guenther <rguenther@suse.de>
2447 * invoke.texi (fassociative-math): Remove spurious paranthesis.
2449 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2451 * gcc.c (process_command): Update copyright notice dates.
2452 * gcov.c (print_version): Likewise.
2453 * gcov-dump.c (print_version): Likewise.
2454 * mips-tfile.c (main): Likewise.
2455 * mips-tdump.c (main): Likewise.
2457 2012-01-01 Ira Rosen <irar@il.ibm.com>
2459 PR tree-optimization/51704
2460 * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
2461 a use is inside the basic block or loop before accessing its vect info.
2463 2012-01-01 Jan Hubicka <jhjh@suse.cz>
2465 PR rtl-optimization/51069
2466 * cfgloopmanip.c (remove_path): Removing path making irreducible
2467 region unconditional makes BB part of the region.
2469 2012-01-01 Jakub Jelinek <jakub@redhat.com>
2471 PR tree-optimization/51683
2472 * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
2473 calls with side-effects.
2474 * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
2476 Copyright (C) 2012 Free Software Foundation, Inc.
2478 Copying and distribution of this file, with or without modification,
2479 are permitted in any medium without royalty provided the copyright
2480 notice and this notice are preserved.