+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.
+
+2012-02-03 Jakub Jelinek <jakub@redhat.com>
+ Zdenek Dvorak <ook@ucw.cz>
+
+ PR rtl-optimization/52092
+ * loop-unswitch.c (unswitch_single_loop): Call copy_rtx_if_shared
+ on get_iv_value result.
+
+2012-02-02 Andrew Pinski <apinski@cavium.com>
+
+ PR middle-end/47982
+ PR middle-end/43967
+ * doc/libgcc.texi (__udivmoddi4/__udivmodti4): Fix documentation typo.
+
+2012-02-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/48071
+ * diagnostic.c (diagnostic_finish): Remove trailing newlines.
+
+2012-02-02 Vladimir Makarov <vmakarov@redhat.com>
+
+ PR rtl-optimization/49800
+ * haifa-sched.c (sched_init): Call regstat_init_n_sets_and_refs.
+ (sched_finish): Call regstat_free_n_sets_and_refs.
+
+2012-02-02 Jia Liu <proljc@gmail.com>
+
+ * config/mips/mips-dspr2.md (mips_prepend): Mask operand 3 rather
+ than operand 2.
+
+2012-02-02 Jan Hubicka <jh@suse.cz>
+ Tom de Vries <tom@codesourcery.com>
+
+ PR middle-end/51998
+ * cgraphunit.c (cgraph_analyze_function): Break cyclic aliases.
+ * varpool.c (varpool_analyze_pending_decls): Likewise.
+
+2012-02-02 Sumanth G <sumanth.gundapaneni@kpitcummins.com>
+ Jayant R Sonar <jayant.sonar@kpitcummins.com>
+
+ * config.gcc: Add cr16-* support.
+
+ * doc/extend.texi: Document cr16 extensions.
+ * doc/install.texi: Document cr16 install.
+ * doc/invoke.texi: Document cr16 options.
+ * doc/md.texi: Document cr16 constraints.
+
+ * common/config/cr16/cr16-common.c: New file.
+ * config/cr16/cr16.c: New file.
+ * config/cr16/cr16.h: New file.
+ * config/cr16/cr16.md: New file.
+ * config/cr16/cr16.opt: New file.
+ * config/cr16/cr16-protos.h: New file.
+ * config/cr16/predicates.md: New file.
+ * config/cr16/constraints.md: New file.
+ * config/cr16/t-cr16: New file.
+
+2012-02-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52086
+ * config/i386/i386.md (*addqi_2 peephole with SImode addition): Check
+ that operands[2] is either immediate, or q_regs_operand.
+
+ PR tree-optimization/52073
+ * tree-vect-stmts.c (vect_mark_relevant): When checking uses of
+ a pattern stmt for pattern uses, ignore uses outside of the loop.
+
+2012-02-01 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c: Resolve all AS1 and AS2 macros.
+ * config/avr/avr.h (AS1, AS2, AS2C, AS3): Remove.
+ (OUT_AS1, OUT_AS2): Remove.
+
+2012-02-01 Georg-Johann Lay <avr@gjlay.de>
+
+ PR rtl-optimization/51374
+ * combine.c (can_combine_p): Don't allow volatile_refs_p insns
+ to cross other volatile_refs_p insns.
+
+2012-02-01 Richard Guenther <rguenther@suse.de>
+
+ * doc/invoke.texi (fno-inline): Clarify documentation.
+ (finline-small-functions): Likewise.
+ (finline-functions): Likewise.
+ * common.opt (finline): Adjust comment and documentation.
+ (finline-small-functions): Clarify documentation.
+ (finline-functions): Likewise.
+ (finline-functions-called-once): Likewise.
+
+2012-02-01 Tristan Gingold <gingold@adacore.com>
+
+ * c-typeck.c (composite_type): Keep mode for pointers.
+
+2012-01-31 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * function.h (regno_reg_rtx): Adjust comment.
+ * reginfo.c (init_reg_modes_target): Only use the previous mode
+ if it fits within one register. Remove MIPS comment.
+
+2012-01-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/52058
+ * combine.c (do_SUBST_LINK, SUBST_LINK): Guard with #ifndef HAVE_cc0.
+
+2012-01-31 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.md ("*ashr<mode>3_and"): Add missing z196 flag
+ to srak instruction.
+
+2012-01-31 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+
+ config/arm/thumb2.md (thumb2_mov_notscc): Use MVN for true
+ condition.
+
+2012-01-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/52041
+ PR bootstrap/52039
+ PR target/51974
+ * ipa-prop.c (detect_type_change_1): Call ao_ref_init.
+
+2012-01-31 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51528
+ * tree-sra.c (sra_modify_assign): Avoid copy-in/out for aggregate
+ assigns.
+
+2012-01-31 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/52041
+ PR bootstrap/52039
+ PR target/51974
+ * ree.c (add_removable_extension): Change def_map argument
+ to unsigned *, store in def_map 1 + offset into *insn_list vector
+ instead of pointers into the vector.
+ (find_removable_extensions): Adjust caller.
+
+2012-01-30 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.md: Resolve all AS1 and AS2 macros.
+ Transform all "* quoted-c-code" to { c-code }.
+ Remove redundant test for "optimize" in combine patterns.
+ Move (include "avr-dimode.md") to end of file.
+
+2012-01-30 Bin Cheng <bin.cheng@arm.com>
+
+ PR target/51835
+ * config/arm/arm.c (arm_libcall_uses_aapcs_base): Use correct ABI
+ for __aeabi_d2iz/__aeabi_d2uiz with hard-float.
+
+2012-01-30 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52028
+ * tree-loop-distribution.c (ldist_gen): Properly update
+ virtual SSA form.
+
+2012-01-30 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/52027
+ * dwarf2out.c (dwarf2out_switch_text_section): Don't call
+ set_cur_line_info_table if not emitting debug info.
+
+ PR tree-optimization/52046
+ * tree-vect-patterns.c (check_bool_pattern): Give up if
+ a comparison could throw.
+
+ PR debug/52048
+ * tree-ssa-tail-merge.c (local_def): Ignore debug uses.
+
+2012-01-30 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52045
+ * tree-optimize.c (execute_cleanup_cfg_post_optimizing): Update
+ SSA form if cfgcleanup did anything.
+
+2012-01-30 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52045
+ * ipa-inline-transform.c (inline_transform): Call execute_fixup_cfg
+ before computing final todo.
+
+2012-01-30 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51528
+ * tree-sra.c (sra_modify_assign): Re-factor in preparation
+ for PR51528 fix.
+
+2012-01-30 Paolo Bonzini <bonzini@gnu.org>
+
+ * df-problems.c (df_kill_notes): Check that the use refers
+ to the note under examination.
+
+2012-01-30 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR target/51920
+ * config/sparc/sparc.c (vector_init_fpmerge): Remove INNER_MODE
+ parameter and use short-lived pseudos.
+ (vector_init_faligndata): Remove INNER_MODE parameter and use loop.
+ (sparc_expand_vector_init): Const-ify local variables and adjust
+ calls to above functions.
+
+2012-01-30 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c (out_movqi_mr_r): Fix length computation.
+
+2012-01-29 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Make usage of "compile time" and
+ "run time"/"runtime" consistent throughout the file.
+
+2012-01-29 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/alpha/alpha.c (alpha_option_overrride): Default to
+ full IEEE compliance mode for Go language.
+
+2011-01-29 Tijl Coosemans <tijl@coosemans.org>
+
+ * config/freebsd-spec.h [TARGET_LIBC_PROVIDES_SSP]
+ (LINK_SSP_SPEC): Define.
+
+2012-01-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR target/51871
+ * config/pa/pa.c (pa_return_addr_rtx): Add support for PA2.0 export
+ stubs.
+
+2012-01-28 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Correct hyphenation of "floating point",
+ "double precision", and related terminology throughout the file.
+
+2012-01-28 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/52006
+ * config/arm/arm.md (pic_add_dot_plus_eight peephole2): Use
+ arm_general_register_operand predicate for operand 2 instead of
+ register_operand.
+
+2012-01-27 Ian Lance Taylor <iant@google.com>
+
+ PR go/47656
+ * builtins.def (BUILT_IN_INIT_HEAP_TRAMPOLINE): Define.
+ * builtins.c (expand_builtin_init_trampoline): Add onstack
+ parameter. Change caller.
+ (expand_builtin): Handle BUILT_IN_INIT_HEAP_TRAMPOLINE.
+ * tree.c (build_common_builtin_nodes): Declare
+ __builtin_init_heap_trampoline.
+
+2012-01-27 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr-protos.h (lpm_reg_rtx, lpm_addr_reg_rtx,
+ tmp_reg_rtx, zero_reg_rtx, all_regs_rtx, rampz_rtx): Make global.
+ * config/avr/avr.c: Ditto.
+ (avr_regnames): Remove because unused.
+ * config/avr/avr.md (*cpse.ne): New peephole.
+ (*cpse.eq): New peephole from former cpse peepholes.
+
+2012-01-27 Michael Eager <eager@eagercon.com>
+
+ * config/microblaze.c (microblaze_emit_compare): Correct
+ test after pcmp instruction.
+
+2012-01-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/52020
+ * tree-sra.c (sra_modify_assign): Do not transform clobbers.
+
+2012-01-27 Richard Guenther <rguenther@suse.de>
+
+ * ipa-pure-const.c (check_stmt): Clobbers do not make a
+ function non-const/pure.
+
+2012-01-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50444
+ * tree-sra.c (build_ref_for_offset): Properly adjust the
+ MEM_REF type for unaligned accesses.
+
+2012-01-27 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/50444
+ * expr.c (mem_ref_refers_to_non_mem_p): New function.
+ (expand_assignment): Use it. Properly handle misaligned
+ bases when expanding stores to component references.
+ (expand_expr_real_1): Use mem_ref_refers_to_non_mem_p and
+ refactor that case.
+
+2012-01-27 Andrey Belevantsev <abel@ispras.ru>
+
+ PR middle-end/51389
+ * Makefile.in (tree-data-ref.o): Depend on $(PARAMS_H).
+ * tree-data-ref.h (find_data_references_in_loop): Remove declaration.
+ * tree-data-ref.c (find_data_references_in_loop): Make static.
+ (compute_all_dependences): Change return type to bool. Bail out
+ for too many datarefs in a loop. Move the hunk resetting the data
+ dependences vector from ...
+ (compute_data_dependences_for_loop): ... here. Account for
+ compute_all_dependences returning false.
+ (compute_data_dependences_for_bb): Likewise.
+ * params.def (PARAM_LOOP_MAX_DATAREFS_FOR_DATADEPS): New param.
+ * doc/invoke.texi (loop-max-datarefs-for-datadeps): Document it.
+
+2012-01-27 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/51959
+ * expr.c (store_field): Use the alias-set of the scratch memory
+ for storing to it.
+
+2012-01-27 Tom de Vries <tom@codesourcery.com>
+
+ PR tree-optimization/51990
+ * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle
+ WITH_SIZE_EXPR.
+ * tree-ssa-pre.c (create_component_ref_by_pieces_1): Same.
+
+2012-01-27 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/52001
+ * var-tracking.c (reverse_op): Don't add any reverse operation
+ if V already has any constant locations.
+
+2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi: Correct usage of "command line" (noun)
+ vs "command-line" (adjective) throughout.
+
+2012-01-27 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi (Language Independent Options): Move
+ -Wcoverage-mismatch blurb from here....
+ (Warning Options): ...to here.
+
+2012-01-27 Peter Bergner <bergner@vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_option_override_internal):
+ Set rs6000_always_hint to false for 476.
+
+2012-01-27 Matthias Klose <doko@ubuntu.com>
+
+ * gcc.c (add_sysrooted_prefix): Remove trailing dir separator from
+ system root.
+ * incpath.c (add_standard_paths): Likewise.
+
+2012-01-27 Richard Henderson <rth@redhat.com>
+
+ * config/m68k/m68k.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
+ * config/m68k/sync.md (atomic_test_and_set): Rename from
+ sync_test_and_setqi and adjust the operands.
+ (atomic_test_and_set_1): Rename from sync_test_and_setqi_1
+ and unconditionally enable.
+
+2012-01-27 Richard Henderson <rth@redhat.com>
+
+ * config/sparc/sparc.c (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
+ * config/sparc/sync.md (atomic_test_and_set): Only handle QImode.
+ (ldstub): Rename from ldstubqi.
+ (ldstub<I24MODE>): Remove.
+
+2012-01-27 Richard Henderson <rth@redhat.com>
+
+ * target.def (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): New.
+ * c-cppbuiltin.c (cpp_atomic_builtins): Define
+ __GCC_ATOMIC_TEST_AND_SET_TRUEVAL.
+ * doc/tm.texi.in (TARGET_ATOMIC_TEST_AND_SET_TRUEVAL): Add doc hook.
+ * doc/tm.texi: Rebuild.
+
+2012-01-27 Richard Henderson <rth@redhat.com>
+
+ * optabs.c (gen_atomic_test_and_set): Remove default.
+ (maybe_emit_atomic_test_and_set): Use maybe_expand_insn.
+
2012-01-26 Jakub Jelinek <jakub@redhat.com>
PR rtl-optimization/51978
- * ree.c (make_defs_and_copies_lists): Change set_pat type
- to const_rtx.
+ * ree.c (make_defs_and_copies_lists): Change set_pat type to const_rtx.
(combine_reaching_defs): Likewise.
(struct re_info): Remove.
(add_removable_extension): Remove x and data arguments,
through note_stores, instead just call it with single_set
result if non-NULL.
(find_and_remove_re): Pass curr_cand->expr instead of
- PATTERN (curr_cand->insn) as set_pat argument to
- combine_reaching_defs.
+ PATTERN (curr_cand->insn) as set_pat argument to combine_reaching_defs.
2012-01-26 Michael Matz <matz@suse.de>
2012-01-25 Andrey Belevantsev <abel@ispras.ru>
PR rtl-optimization/48374
- * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
+ * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
2012-01-25 Andrey Belevantsev <abel@ispras.ru>
(BT_FN_DOUBLE_VPTR): Remove.
(BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
- * gtm-builtins.def (_ITM_abortTransaction): Set return type to
- void.
+ * gtm-builtins.def (_ITM_abortTransaction): Set return type to void.
(_ITM_changeTransactionMode): Same.
(_ITM_memmoveRtWt): Change return type to void.
(_ITM_memcpyRtWt): Same.
* trans-mem.c (ipa_tm_create_version): Set externally_visible.
(ipa_tm_create_version_alias): Same.
-2012-01-18 Uros Bizjak <ubizjak@gmail.com>
+2012-01-23 Uros Bizjak <ubizjak@gmail.com>
PR libitm/51830
* builtin-types.def (BT_FN_UINT_UINT_VAR): New.
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