+2012-02-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/52172
+ * cselib.h (cselib_subst_to_values_from_insn): New prototype.
+ * cselib.c (cselib_subst_to_values_from_insn): New function.
+ * sched-deps.c (add_insn_mem_dependence,
+ sched_analyze_1, sched_analyze_2): Use it.
+
+2012-02-13 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/52214
+ * predict.c (predict_paths_for_bb): Fix thinko in prevoius patch.
+
+2012-02-13 Eric Botcazou <ebotcazou@adacore.com>
+
+ * gcc.c (LINK_COMMAND_SPEC): Deal with -fgnu-tm.
+ (GTM_SELF_SPECS): Define if not already defined.
+ (driver_self_specs): Add GTM_SELF_SPECS.
+ * config/darwin.h (LINK_COMMAND_SPEC_A): Deal with -fgnu-tm.
+ (GTM_SELF_SPECS): Define.
+ * config/i386/cygwin.h (GTM_SELF_SPECS): Likewise.
+ * config/i386/mingw32.h (GTM_SELF_SPECS): Likewise.
+
+2012-02-13 Jakub Jelinek <jakub@redhat.com>
+
+ * cselib.c (expand_loc): Return sp, fp, hfp or cfa base reg right
+ away if seen.
+
+ * cselib.c (dump_cselib_val): Don't assume l->setting_insn is
+ non-NULL.
+
+ PR middle-end/52230
+ * omp-low.c (expand_omp_for): If a static schedule without
+ chunk size has NULL region->cont, force fd.chunk_size to be
+ integer_zero_node.
+
+2012-02-13 Andrew MacLeod <amacleod@redhat.com>
+
+ PR c/52190
+ * doc/extend.texi : Fix another __atomic_compare_exchange typo.
+
+2012-02-13 Richard Guenther <rguenther@suse.de>
+
+ PR translation/52211
+ * passes.c (enable_disable_pass): Fix typo.
+
+2012-02-13 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52209
+ * expr.c (expand_expr_real_2) <case BIT_NOT_EXPR>: Only expand using
+ XOR for reduce_bit_field if type is unsigned.
+
+2012-02-12 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/sparc/sparc.h (CANNOT_CHANGE_MODE_CLASS): In 64-bit mode,
+ disallow changes from SFmode to mode with different size in FP regs.
+
+2012-02-12 Robert Millan <rmh@gnu.org>
+ Gerald Pfeifer <gerald@pfeifer.com>
+
+ * ginclude/stddef.h [__FreeBSD_kernel__] (__size_t): Do not define.
+ Tweak comment.
+
+2012-02-11 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR rtl-optimization/52175
+ * reorg.c (fill_slots_from_thread): Don't apply add/sub optimization
+ to frame-related instructions.
+
+2012-02-10 Jason Merrill <jason@redhat.com>
+
+ PR c++/51910
+ * tlink.c (demangled_hash_entry): Change mangled to a VEC.
+ (demangle_new_symbols): Fill it.
+ (scan_linker_output): Walk it.
+ (start_tweaking): Split out from scan_linker_output.
+ (maybe_tweak): Update sym->chosen.
+ * Makefile.in (COLLECT2_OBJS): Add vec.o and gcc-none.o
+
+2012-02-11 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/52132
+ * reg-stack.c (subst_stack_regs_in_debug_insn): Don't use
+ get_true_reg.
+
+2012-02-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * compare-elim.c (find_comparisons_in_bb): Eliminate only compares
+ having the same mode as previous compare.
+
+2012-02-10 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/sparc/sparc.c (sparc_flat_expand_prologue): Use emit_use.
+ * config/sparc/sparc.md (UNSPECV_GOTO): Delete.
+ (nonlocal_goto_internal): Likewise.
+ (nonlocal_goto): Emit a use and an indirect jump directly.
+
+2012-02-10 Andrew MacLeod <amacleod@redhat.com>
+
+ PR c/52190
+ * doc/extend.texi : Update comments for __atomic_compare_exchange and
+ __atomic_{is,always}_lock_free.
+
+2012-02-10 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/52146
+ * config/i386/i386.c (ix86_legitimate_address_p): Disallow
+ negative constant address for x32.
+
+2012-02-10 Richard Henderson <rth@redhat.com>
+
+ * tree-ssa-dce.c (propagate_necessity): Handle GIMPLE_TRANSACTION.
+ * tree-ssa-operands.c (parse_ssa_operands): Add virtual operands
+ for GIMPLE_TRANSACTION. Tidy if's into a switch.
+
+2012-02-10 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+ Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/50031
+ * targhooks.c (default_builtin_vectorization_cost): Handle
+ vec_promote_demote.
+ * target.h (enum vect_cost_for_stmt): Add vec_promote_demote.
+ * tree-vect-loop.c (vect_get_single_scalar_iteraion_cost): Handle
+ all types of reduction and pattern statements.
+ (vect_estimate_min_profitable_iters): Likewise.
+ * tree-vect-stmts.c (vect_model_promotion_demotion_cost): New function.
+ (vect_get_load_cost): Use vec_perm for permutations; add dump logic
+ for explicit realigns.
+ (vectorizable_conversion): Call vect_model_promotion_demotion_cost.
+ * config/spu/spu.c (spu_builtin_vectorization_cost): Handle
+ vec_promote_demote.
+ * config/i386/i386.c (ix86_builtin_vectorization_cost): Likewise.
+ * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Update
+ vec_perm for VSX and handle vec_promote_demote.
+
+2012-02-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52177
+ * builtins.c (fold_builtin_atomic_always_lock_free,
+ expand_builtin_atomic_always_lock_free,
+ fold_builtin_atomic_is_lock_free, expand_builtin_atomic_is_lock_free):
+ Return and/or test boolean_true_node/boolean_false_node instead of
+ integer_one_node/integer_zero_node.
+
+2012-02-10 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/48600
+ * predict.c (predict_paths_for_bb): Prevent looping.
+ (predict_paths_leading_to_edge, predict_paths_leading_to): Update.
+
+2012-02-10 Roman Zhuykov <zhroma@ispras.ru>
+
+ * config/arm/arm.c (output_move_double): In one case properly
+ count number of instructions that will be emitted.
+
+2012-02-10 Richard Guenther <rguenther@suse.de>
+
+ PR translation/52193
+ * cgraphunit.c (cgraph_mark_functions_to_output): Fix typo.
+
+2012-02-09 Peter Bergner <bergner@vnet.ibm.com>
+
+ PR middle-end/52140
+ * dojump.c (do_compare_rtx_and_jump): Use SCALAR_FLOAT_MODE_P.
+
+2012-02-09 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/52165
+ * var-tracking.c (emit_note_insn_var_location): If
+ EMIT_NOTE_BEFORE_INSN and insn is NOTE_INSN_CALL_ARG_LOCATION,
+ emit it before next non-NOTE_INSN_CALL_ARG_LOCATION
+ non-NOTE_DURING_CALL_P insn.
+
+2012-02-09 Bin Cheng <bin.cheng@arm.com>
+
+ PR middle-end/51867
+ * builtins.c (expand_builtin): Don't check DECL_ASSEMBLER_NAME_SET_P.
+
+2012-02-08 Magnus Granberg <zorry@gentoo.org>
+
+ PR driver/48524
+ * gcc.c (switch_matches) Support switches with separated form,
+ -D and -U.
+
+2012-02-08 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md (SREG_ADDR): Remove constant definition.
+ (SP_ADDR): Ditto.
+ (RAMPZ_ADDR): Ditto.
+ * config/avr/avr.c (avr_addr_t): New typedef.
+ (avr_addr): New struct to hold RAM address of SPL, SPH, RAMPZ, SREG.
+ (avr_init_expanders): Initialize it.
+ (expand_prologue): Use avr_addr instead of RAMPZ_ADDR, SP_ADDR,
+ SREG_ADDR.
+ (expand_epilogue): Ditto.
+ (avr_print_operand): Ditto.
+ (avr_file_start): Ditto.
+ (avr_emit_movmemhi): Ditto.
+
+2012-02-08 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/46886
+ * tree-flow.h (do_while_loop_p): Declare.
+ * tree-ssa-loop-ch.c (do_while_loop_p): Export.
+ * tree-parloops.c (parallelize_loops): Only parallelize do-while loops.
+
+2012-02-08 Andrew MacLeod <amacleod@redhat.com>
+
+ * optabs.c (expand_atomic_load): Do not assume compare_and_swap will
+ always succeed for integers larger than a native word.
+
+2012-02-08 Richard Guenther <rguenther@suse.de>
+
+ PR rtl-optimization/52170
+ * simplify-rtx.c (simplify_plus_minus): Use CONSTM1_RTX to
+ properly handle integer vector modes.
+
+2012-02-08 Jakub Jelinek <jakub@redhat.com>
+
+ PR gcov-profile/52150
+ * coverage.c: Include target.h.
+ (build_var): Call targetm.strip_name_encoding on the assembler name.
+ Change one _ into . or $ if the target allows it.
+ * Makefile.in (coverage.o): Depend on $(TARGET_H).
+
+ PR rtl-optimization/52139
+ * cfgrtl.c (cfg_layout_merge_blocks): If BB_END
+ is a BARRIER after emit_insn_after_noloc, move BB_END
+ to the last non-BARRIER insn before it.
+
+2012-02-07 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR middle-end/24306
+ * config/mips/mips.c (mips_std_gimplify_va_arg_expr): New function.
+ (mips_gimplify_va_arg_expr): Call it instead of
+ std_gimplify_va_arg_expr.
+
+2012-02-07 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_trampoline_init): Fix error
+ message for -mno-pointers-to-nested-function.
+
+2012-02-07 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR middle-end/51994
+ * expr.c (get_inner_reference): If there is an offset, add a negative
+ bit position to it (if any).
+
+2012-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR rtl-optimization/52060
+ * combine.c (try_combine): Add i0src_copy and i0src_copy2 variables,
+ copy i1src to i1src_copy whenever added_sets_2 && i1_feeds_i2_n already
+ before i1dest -> i1src substitution in newpat, copy i0src to i0src_copy
+ and/or i0src_copy2 when needed.
+
+2012-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc.c (main): Don't look for lto-wrapper or lto-wrapper
+ or LTOPLUGINSONAME if have_c.
+
+ * config/freebsd-spec.h: Add comment about what macros can be defined
+ in this header.
+ (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): Don't define here.
+ * config/freebsd.h (LINK_EH_SPEC, LINK_SSP_SPEC, USE_LD_AS_NEEDED): But
+ here instead.
+
+2012-02-07 Richard Guenther <rguenther@suse.de>
+
+ * gimple-pretty-print.c (dump_gimple_phi): Avoid excessive
+ newline in -alias dumps.
+
+2012-02-07 Kai Tietz <ktietz@redhat.com>
+ Dave Korn <dave.korn.cygwin@gmail.com>
+
+ PR target/40068
+ * config/i386/winnt-cxx.c (i386_pe_adjust_class_at_definition):
+ Take care that typinfo gets dllexport-attribute.
+
+2012-02-07 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/52074
+ * expr.c (expand_expr_addr_expr_1): For CONSTANT_CLASS_P or CONST_DECL
+ if modifier < EXPAND_SUM call force_operand on the result.
+
+2012-02-07 Joern Rennecke <joern.rennecke@embecosm.com>
+
+ * config/epiphany/epiphany.h (ASM_DECLARE_FUNCTION_SIZE): Redefine,
+ adding __forwarder_dst__ prefix if a forwarder_section attribute is
+ present.
+ (epiphany_function_type): Replace types for specific interrupts with
+ EPIPHANY_FUNCTION_INTERRUPT.
+ (EPIPHANY_INTERRUPT_P): Update.
+ * config/epiphany/epiphany.c (epiphany_handle_forwarder_attribute):
+ New static function.
+ (epiphany_attribute_table) <interrupt>: min_len is 0, max_len is 9.
+ <disinterrupt>: Affects type identity.
+ (epiphany_handle_interrupt_attribute): Handle variable number of
+ arguments.
+ (epiphany_compute_function_type): Update for new
+ epiphany_function_type definition.
+ (epiphany_expand_prologue): Don't save (reg:DI GPR_0) for interrupt
+ handlers with a longcall forwarder.
+ (epiphany_start_function): Handle multiple interrupt arguments and/or
+ forwarder_section attribute.
+
+ * config/epiphany/epiphany.h (LIB_SPEC): Link libc again after
+ libgloss.
+
+2012-02-07 Alan Modra <amodra@gmail.com>
+
+ PR target/52107
+ * config/rs6000/rs6000.c (rs6000_emit_move): Don't create DImode
+ subregs of TFmode.
+
+2012-02-06 Bill Schmidt <wschmidt@linux.vnet.ibm.com>
+
+ PR tree-optimization/50969
+ * tree-vect-stmts.c (vect_model_store_cost): Correct statement cost to
+ use vec_perm rather than vector_stmt.
+ (vect_model_load_cost): Likewise.
+ * config/i386/i386.c (ix86_builtin_vectorization_cost): Change cost of
+ vec_perm to be the same as other vector statements.
+ * config/rs6000/rs6000.c (rs6000_builtin_vectorization_cost): Revise
+ cost of vec_perm for TARGET_VSX.
+
+2012-02-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52115
+ * tree-sra.c (access_has_replacements_p): New function.
+ (sra_modify_assign): Use it to decide whether a use is uninitialized.
+
+2012-02-06 Patrick Marlier <patrick.marlier@gmail.com>
+
+ PR middle-end/52047
+ * trans-mem.c (expand_call_tm): Add an assertion.
+ * calls.c (flags_from_decl_or_type): Add ECF_TM_PURE to 'no vops'
+ functions.
+
+2012-02-06 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50955
+ * tree-ssa-loop-ivopts.c (get_computation_cost_at): Artificially
+ raise cost of expressions that replace an address with an
+ expression based on a different pointer.
+
+2012-02-06 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52129
+ * calls.c (mem_overlaps_already_clobbered_arg_p): If val is
+ CONST_INT_P, subtract resp. add crtl->args.pretend_args_size to it.
+
+2012-02-06 Jonathan Wakely <jwakely.gcc@gmail.com>
+
+ PR c++/48680
+ * doc/invoke.texi (C++ Dialect Options): Use @option markup for
+ -Weffc++ and specify guidelines come from second edition.
+
+2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.md (sibcall_internal, sibcall_value_internal)
+ (sibcall_value_multiple_internal, call_split, call_internal_direct)
+ (call_direct_split, call_value_split, call_value_internal_direct)
+ (call_value_direct_split, call_value_multiple_split): Use jal and
+ jal_macro attributes.
+
+2012-02-05 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * reload1.c (reload_regs_reach_end_p): Replace with...
+ (reload_reg_rtx_reaches_end_p): ...this function.
+ (new_spill_reg_store): Update commentary.
+ (emit_input_reload_insns): Don't clear new_spill_reg_store here.
+ (emit_output_reload_insns): Check reload_reg_rtx_reaches_end_p
+ before setting new_spill_reg_store.
+ (emit_reload_insns): Use a separate loop to clear new_spill_reg_store.
+ Use reload_reg_rtx_reaches_end_p instead of reload_regs_reach_end_p.
+ Also use reload_reg_rtx_reaches_end_p when reading new_spill_reg_store
+ for non-spill reload registers.
+
+2012-02-05 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/52091
+ * tree-vectorizer.h (vect_is_simple_use): Add an argument.
+ (vect_is_simple_use_1): Likewise.
+ * tree-vect-loop.c (vectorizable_reduction): Update calls
+ to vect_is_simple_use_1 and vect_is_simple_use.
+ (vectorizable_live_operation): Likewise.
+ * tree-vect-patterns.c (widened_name_p,
+ vect_recog_vector_vector_shift_pattern, check_bool_pattern): Likewise.
+ * tree-vect-stmts.c (process_use, vect_get_vec_def_for_operand,
+ vectorizable_call, vectorizable_conversion, vectorizable_assignment,
+ vectorizable_shift,vectorizable_operation, vectorizable_store,
+ vectorizable_load): Likewise.
+ (vect_is_simple_cond): Add an argument, pass it to
+ vect_is_simple_use_1.
+ (vectorizable_condition): Update calls to vect_is_simple_cond,
+ vect_is_simple_use.
+ (vect_is_simple_use): Add an argument, the statement in which
+ OPERAND is used. Check that if OPERAND's def stmt is a double
+ reduction phi node, the use is a phi node too.
+ (vect_is_simple_use_1): Add an argument, pass it to
+ vect_is_simple_use.
+ * tree-vect-slp.c (vect_get_and_check_slp_defs): Update a call
+ to vect_is_simple_use.
+
2012-02-04 Jakub Jelinek <jakub@redhat.com>
+ PR rtl-optimization/52095
+ * modulo-sched.c (dump_insn_locator): New function.
+ (loop_canon_p, sms_schedule): Use it.
+
PR rtl-optimization/52113
* lower-subreg.c (decompose_multiword_subregs): Call recog_memoized
even for decomposable shift/zext insns.
2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
- config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
- condition.
+ * config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true condition.
2012-01-31 Jakub Jelinek <jakub@redhat.com>
2012-01-29 Uros Bizjak <ubizjak@gmail.com>
- * config/alpha/alpha.c (alpha_option_overrride): Default to
+ * config/alpha/alpha.c (alpha_option_override): Default to
full IEEE compliance mode for Go language.
2011-01-29 Tijl Coosemans <tijl@coosemans.org>