+2011-12-19 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/51411
+ * trans-mem.c (ipa_tm_create_version): Unset DECL_WEAK.
+
+2011-12-19 Quentin Neill <quentin.neill@amd.com>
+
+ PR target/48743
+ * config/i386/driver-i386.c (host_detect_local_cpu): Also check
+ family to distinguish PROCESSOR_ATHLON.
+
+2011-12-19 Richard Guenther <rguenther@suse.de>
+
+ PR lto/51573
+ * streamer-hooks.h (struct streamer_hooks): Add second
+ ref_p parameter to write_tree.
+ (stream_write_tree): Adjust.
+ (stream_write_tree_shallow_non_ref): New define.
+ * lto-streamer.h (lto_output_tree): Adjust.
+ * lto-streamer-out.c (lto_output_tree): Likewise.
+ * tree-streamer-out.c (streamer_write_chain): Only
+ force the immediate tree to be streamed as non-reference.
+
+2011-12-19 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/51583
+ * tree-sra.c (load_assign_lhs_subreplacements): Call
+ force_gimple_operand_gsi when necessary also in case of no
+ corresponding replacement on the RHS.
+
+2011-12-19 Jakub Jelinek <jakub@redhat.com>
+
+ * gimple.h (gimplify_seq_add_stmt): Rename to...
+ (gimple_seq_add_stmt_without_update): ... this.
+ * gimplify.c (gimplify_seq_add_stmt): Rename to...
+ (gimple_seq_add_stmt_without_update): ... this.
+ (gimplify_seq_add_stmt): New inline wrapper for it.
+ * tree-vect-patterns.c (append_pattern_def_seq): Use
+ gimple_seq_add_stmt_without_update instead of gimplify_seq_add_stmt.
+
+ PR tree-optimization/51596
+ * tree-cfg.c (replace_uses_by): Call gimple_purge_dead_eh_edges
+ when needed.
+
+ PR middle-end/51590
+ PR tree-optimization/51606
+ * tree-vect-patterns.c (append_pattern_def_seq, new_pattern_def_seq):
+ New inline functions.
+ (vect_recog_over_widening_pattern,
+ vect_recog_vector_vector_shift_pattern,
+ vect_recog_sdivmod_pow2_pattern, vect_recog_mixed_size_cond_pattern,
+ adjust_bool_pattern_cast, vect_recog_bool_pattern): Use them.
+
+2011-12-19 Richard Guenther <rguenther@suse.de>
+
+ PR lto/51572
+ * tree.c (free_lang_data_in_type): Do not unlink TYPE_DECL
+ from TYPE_FIELDS.
+ (find_decls_types_r): Walk TYPE_DECLs in TYPE_FIELDS.
+ * tree-streamer-out.c (write_ts_field_decl_tree_pointers): Do
+ not stream TREE_CHAIN.
+ (write_ts_type_non_common_tree_pointers): Stream TYPE_FIELDS
+ using streamer_write_chain.
+ * tree-streamer-in.c (lto_input_ts_field_decl_tree_pointers):
+ Do not stream TREE_CHAIN.
+ (lto_input_ts_type_non_common_tree_pointers): Stream TYPE_FIELDS
+ using streamer_read_chain.
+ * gimple-streamer-in.c (input_gimple_stmt): Skip non-FIELD_DECLs.
+ * gimple.c (gimple_canonical_types_compatible_p): Properly
+ handle trailing non-FIELD_DECLs in TYPE_FIELDS.
+
+2011-12-19 Andreas Schwab <schwab@linux-m68k.org>
+
+ * configure: Regenerate.
+
+2011-12-19 Bernd Schmidt <bernds@codesourcery.com>
+
+ * emit-rtl.c (init_emit_once): Initialize const_tiny_rtx[3] for
+ partial integer modes.
+
+2011-12-19 Andreas Schwab <schwab@linux-m68k.org>
+
+ PR target/51532
+ * config/m68k/m68k.h (FL_CAS, TARGET_CAS): Define.
+ * config/m68k/m68k.c (FL_FOR_isa_20): Add FL_CAS.
+ * config/m68k/sync.md: Use TARGET_CAS instead of (TARGET_68020 ||
+ TARGET_68040).
+
+2011-12-18 Anatoly Sokolov <aesok@post.ru>
+
+ * config/ia64/ia64.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
+ LEGITIMATE_ADDRESS_REG, LEGITIMATE_ADDRESS_DISP,
+ GO_IF_LEGITIMATE_ADDRESS): Remove macros.
+ * config/ia64/ia64.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
+ (ia64_reg_ok_for_base_p, ia64_legitimate_address_reg,
+ ia64_legitimate_address_disp, ia64_legitimate_address_p): New
+ functions.
+
+2011-12-17 Tom de Vries <tom@codesourcery.com>
+
+ PR tree-optimization/51491
+ * tree-ssa-ccp.c (insert_clobber_before_stack_restore)
+ (gsi_prev_dom_bb_nondebug, insert_clobbers_for_var): New function.
+ (ccp_fold_stmt): Use insert_clobbers_for_var after a successful
+ fold_builtin_alloca_with_align.
+ (ccp_visit_stmt): Calculate and free dominator info.
+
+2011-12-16 Eric Botcazou <ebotcazou@adacore.com>
+
+ * config/sparc/sparc.md (UNSPEC_FRAME_BLOCKAGE): New constant.
+ (frame_blockage): New expander.
+ (frame_blockage<P:mode>): New instruction.
+ * config/sparc/sparc.c (sparc_expand_prologue): When the sequence of
+ instructions establishing the frame isn't atomic, emit frame blockage.
+
+2011-12-16 Tristan Gingold <gingold@adacore.com>
+
+ * config/alpha/vms.h (USE_TM_CLONE_REGISTRY): Define.
+
+2011-12-16 Tristan Gingold <gingold@adacore.com>
+
+ * config/alpha/alpha.c (alpha_use_linkage): Follow transparent alias.
+ (alpha_write_one_linkage): Use assemble_name to emit linkage name.
+
+2011-12-16 Tristan Gingold <gingold@adacore.com>
+
+ * config/vms/t-vms (vms.o, vms-c.o): Force output filename.
+
+2011-12-16 Tristan Gingold <gingold@adacore.com>
+
+ * config/vms/vms.c (VMS_CRTL_GLOBAL): Define.
+ (vms_patch_builtins): Handle.
+ * config/vms/vms-crtlmap.map: Add an entry for environ.
+
+2011-12-16 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/51557
+ * sel-sched-ir.c (create_copy_of_insn_rtx): Copy all notes
+ other than REG_EQUAL, REG_EQUIV and REG_LABEL_OPERAND.
+
+ PR tree-optimization/51576
+ * tree-cfg.c (replace_uses_by): Call maybe_clean_or_replace_eh_stmt
+ even if fold_stmt didn't change anything.
+
+2011-12-16 Richard Guenther <rguenther@suse.de>
+
+ PR lto/51572
+ * dwarf2out.c (gen_type_die_with_usage): Use the context of
+ the TYPE_DECL as well if it is file-scope.
+
+2011-12-15 DJ Delorie <dj@redhat.com>
+
+ * config/rl78/rl78.md (return): Rename to rl78_return.
+ * config/rl78/rl78.c (rl78_expand_epilogue): Use new name.
+ (rl78_expand_eh_epilogue): Use new name.
+ (rl78_calculate_death_notes): Likewise.
+
+2011-12-15 Jakub Jelinek <jakub@redhat.com>
+
+ * tree-vectorizer.h (struct _stmt_vec_info): Remove pattern_def_stmt
+ field, add pattern_def_seq.
+ (STMT_VINFO_PATTERN_DEF_STMT): Remove.
+ (STMT_VINFO_PATTERN_DEF_SEQ): Define.
+ (NUM_PATTERNS): Bump to 10.
+ * tree-vect-loop.c (vect_determine_vectorization_factor,
+ vect_transform_loop): Adjust for pattern def changing from a single
+ gimple stmt to gimple_seq.
+ * tree-vect-stmts.c (vect_analyze_stmt, new_stmt_vec_info,
+ free_stmt_vec_info): Likewise.
+ * tree-vect-patterns.c (vect_recog_over_widening_pattern,
+ vect_recog_vector_vector_shift_pattern,
+ vect_recog_mixed_size_cond_pattern, adjust_bool_pattern_cast,
+ adjust_bool_pattern, vect_mark_pattern_stmts): Likewise.
+ (vect_recog_sdivmod_pow2_pattern): New function.
+ (vect_vect_recog_func_ptrs): Add it.
+
+ * config/i386/sse.md (vcond<V_256:mode><VI_256:mode>,
+ vcond<V_128:mode><VI124_128:mode>, vcond<VI8F_128:mode>v2di):
+ Use general_operand instead of nonimmediate_operand for
+ operand 5 and no predicate for operands 1 and 2.
+ * config/i386/i386.c (ix86_expand_int_vcond): Optimize
+ x < 0 ? -1 : 0 and x < 0 ? 1 : 0 into vector arithmetic
+ resp. logical shift.
+
+2011-12-15 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr-protos.h (print_operand): Remove.
+ (print_operand_address): Remove.
+ * config/avr/avr.h (PRINT_OPERAND): Remove.
+ (PRINT_OPERAND_ADDRESS): Remove.
+ (PRINT_OPERAND_PUNCT_VALID_P): Remove.
+ * config/avr/avr.c (TARGET_PRINT_OPERAND): New hook define.
+ (TARGET_PRINT_OPERAND_ADDRESS): New hook define.
+ (TARGET_PRINT_OPERAND_PUNCT_VALID_P): New hook define.
+ (print_operand_address): Rename to...
+ (avr_print_operand_address): ...this and make static.
+ (print_operand): Rename to...
+ (avr_print_operand): ...this and make static.
+ (avr_print_operand_punct_valid_p): New static function.
+
+2011-12-15 Andreas Tobler <andreast@fgznet.ch>
+
+ * config/i386/freebsd.h (TARGET_ASM_FILE_END): Define.
+
+2011-12-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR c/51360
+ * c-parser.c (c_parser_omp_clause_num_threads,
+ c_parser_omp_clause_schedule): Call mark_exp_read.
+
+2011-12-15 Romain Geissler <romain.geissler@gmail.com>
+
+ * builtins.def (BUILT_IN_STPNCPY_CHK): New definition.
+ * builtins.c (expand_builtin, fold_builtin_4, maybe_emit_chk_warning):
+ Add BUILT_IN_STPNCPY_CHK case.
+ * gimple-fold.c (gimple_fold_builtin): Likewise.
+ * tree-object-size.c (pass_through_call): Likewise.
+ * tree-ssa-alias.c (ref_maybe_used_by_call_p_1,
+ call_may_clobber_ref_p_1): Likewise.
+ * tree-ssa-structalias.c (find_func_aliases_for_builtin_call,
+ find_func_clobbers): Likewise.
+ * tree.h (fold_builtin_strncpy_chk): Rename to fold_builtin_stxncpy_chk
+ * builtins.c (fold_builtin_strncpy_chk): Likewise.
+ Rewrite stpncpy_chk calls to strncpy_chk calls if returned value is
+ ignored.
+
+2011-12-15 Richard Guenther <rguenther@suse.de>
+
+ PR lto/51567
+ * gimple.c (compare_type_names_p): Also compare the TREE_CODE.
+ (iterative_hash_name): Also hash the TREE_CODE.
+ (gimple_types_compatible_p_1): For types with a TYPE_DECL
+ name and a type DECL_CONTEXT recurse to that type.
+ (iterative_hash_gimple_type): Likewise.
+
+2011-12-15 Iain Sandoe <iains@gcc.gnu.org>
+
+ * config/rs6000/rs6000.c (rs6000_emit_prologue): Move update of
+ VRSave mask to save_world() when that is in use.
+
+2011-12-15 Richard Guenther <rguenther@suse.de>
+
+ * lto-wrapper.c (run_gcc): In non-parallel mode remove
+ ltrans inputs immediately after processing them. In parallel
+ mode truncate the ltrans inputs in the make rule that processes
+ them if temporary files are not to be preserved.
+
+2011-12-15 Anatoly Sokolov <aesok@post.ru>
+
+ * config/arm/arm.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
+ * config/arm/arm.c (arm_memory_move_cost, arm_register_move_cost):
+ New functions.
+ (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
+
+2011-12-15 Richard Guenther <rguenther@suse.de>
+
+ PR lto/51564
+ * tree.h (REGISTER_DEFS_IN_THIS_STMT, NECESSARY,
+ STMT_IN_SSA_EDGE_WORKLIST): Remove no longer existing flag
+ uses documentation.
+ (TREE_ASM_WRITTEN): Update documentation to mention its use
+ on TYPE_DECLs from debug info generation.
+ * tree-streamer-out.c (pack_ts_base_value_fields): Stream
+ TREE_ASM_WRITTEN as always zero for TYPE_DECLs, similar to
+ all other types.
+
+2011-12-15 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/51050
+ * config/avr/avr.c (expand_epilogue): Don't build SUBREG of fp.
+ (avr_prologue_setup_frame): Ditto.
+
+2011-12-15 Jakub Jelinek <jakub@redhat.com>
+
+ PR debug/51517
+ * tree-ssa-coalesce.c (coalesce_ssa_name): For !optimize, test
+ !DECL_IGNORED_P instead of !DECL_ARTIFICIAL.
+
+2012-12-15 Richard Guenther <rguenther@suse.de>
+
+ Revert
+ PR lto/48437
+ * lto-streamer-out.c (tree_is_indexable): Exclude block-local
+ extern declarations.
+
+ PR lto/48508
+ PR lto/48437
+ * tree-streamer-out.c (streamer_write_chain): Stream DECL_EXTERNAL
+ VAR_DECLs and FUNCTION_DECLs locally.
+
+2011-12-14 Richard Henderson <rth@redhat.com>
+
+ * config/arm/arm.md (*addsi3_compare0_scratch): Set predicable.
+ (*compare_negsi_si, *compare_addsi2_op0): Likewise.
+ (*compare_addsi2_op1, *zeroextractsi_compare0_scratch): Likewise.
+ (*compareqi_eq0, *arm_cmpsi_insn, *arm_cmpsi_negshiftsi_si): Likewise.
+
+2011-12-14 Richard Guenther <rguenther@suse.de>
+
+ * tree-cfg.c (replace_uses_by): Fixup TREE_CONSTANT for
+ propagating all kinds of constants.
+
+2011-12-14 Richard Guenther <rguenther@suse.de>
+
+ PR lto/51497
+ * lto-streamer-in.c (lto_read_body): Fixup local types
+ TYPE_CANONICAL and variant chain.
+
+2011-12-14 Richard Guenther <rguenther@suse.de>
+
+ * tree.c (free_lang_data_in_type): Do not clear fields
+ dependent on debuginfo level setting.
+ (find_decls_types_r): Use TYPE_STUB_DECL rathern than TREE_CHAIN.
+ * tree.h (TYPE_STUB_DECL): Properly check that we access a type.
+
+2011-12-14 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/50931
+ * config/avr/avr.md (mulpsi3): New expander.
+ (*umulqihipsi3, *umulhiqipsi3): New insns.
+ (*mulsqipsi3.libgcc, *mulpsi3.libgcc): New insns.
+ (mulsqipsi3, *mulpsi3): New insn-and-splits.
+ (ashlpsi3): Turn to expander. Move insn code to...
+ (*ashlpsi3): ...this new insn.
+
+2011-12-14 Richard Guenther <rguenther@suse.de>
+
+ * tree-cfg.c (replace_uses_by): Only mark blocks altered
+ that will make a difference. Only recompute ADDR_EXPR
+ invariantness if it could possibly have changed. Do so
+ before folding the statement.
+
+2011-12-13 Eric Botcazou <ebotcazou@adacore.com>
+
+ * lto-streamer-out.c (write_symbol): Use proper 64-bit host type.
+ * lto-cgraph.c (input_cgraph_opt_section): Use 'int' for offsets.
+ * lto-streamer-in.c (lto_read_body): Likewise.
+ (lto_input_toplevel_asms): Likewise.
+ * lto-section-in.c (lto_create_simple_input_block): Likewise.
+ * ipa-inline-analysis.c (inline_read_section): Likewise.
+ * ipa-prop.c (ipa_prop_read_section): Likewise.
+
+ * df.h (DF_NOTE): Fix typo in comment.
+
+2011-12-13 Aldy Hernandez <aldyh@redhat.com>
+
+ * trans-mem.c (ipa_tm_create_version_alias): Set DECL_CONTEXT and
+ DECL_LANG_SPECIFIC.
+
+2011-12-13 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * regmove.c (fixup_match_2): Only access call_used_regs with hard regs.
+
+2011-12-13 Andrew Pinski <apinski@cavium.com>
+ Adam Nemet <anemet@caviumnetworks.com>
+
+ * config/mips/mips-cpus.def: Add Octeon2.
+ * config/mips/mips-tables.opt: Regenerate.
+ * config/mips/mips.md (define_attr "cpu"): Add Octeon2.
+ * config/mips/driver-native.c (host_detect_local_cpu): Support Octeon2.
+ * config/mips/octeon.md (octeon_arith): Add Octeon2.
+ (octeon_condmove): Likewise.
+ (octeon_load): Rename to ..
+ (octeon_load_o1): this.
+ (octeon_load_o2): New reserve.
+ (octeon_cop_o2): New reserve.
+ (octeon_store): Match Octeon2 also.
+ (octeon_brj): Rename to ..
+ (octeon_brj_o1): this.
+ (octeon_brj_o2): New reserve.
+ (octeon_imul3): Rename to ...
+ (octeon_imul3_o1): this.
+ (octeon_imul3_o2): New reserve.
+ (octeon_imul): Rename to ...
+ (octeon_imul_o1): this.
+ (octeon_imul_o2): New reserve.
+ (octeon_mfhilo): Rename to ...
+ (octeon_mfhilo_o1): This.
+ (octeon_mfhilo_o2): New reserve.
+ (octeon_imadd): Rename to ...
+ (octeon_imadd_o1): this.
+ (octeon_imadd_o2): New reserve.
+ (octeon_idiv): Rename to ..
+ (octeon_idiv_o1): This.
+ (octeon_idiv_o2_si): New reserve.
+ (octeon_idiv_o2_di): Likewise.
+ (octeon_unknown): Match Octeon2 also.
+ * config/mips/mips.c (mips_rtx_cost_data): Add Octeon2 cost data.
+ (mips_issue_rate): Octeon2 can issue 2 at a time.
+ * config/mips/mips.h (TARGET_OCTEON): Match Octeon2 also.
+ (TARGET_OCTEON2): New define.
+ (TUNE_OCTEON): Match Octeon2 also.
+
+2011-12-13 Richard Henderson <rth@redhat.com>
+
+ * config/sparc/tso.h: New file.
+ * config.gcc (sparc-*-linux*, sparc*-*-solaris2*): Use it.
+ * config/sparc/sparc.c (sparc_option_override): Honor
+ SUBTARGET_DEFAULT_MEMORY_MODEL.
+ * config/sparc/sparc.h (SUBTARGET_DEFAULT_MEMORY_MODEL): New.
+
+2011-12-13 Aldy Hernandez <aldyh@redhat.com>
+
+ PR middle-end/51443
+ * trans-mem.c (struct diagnose_tm): Remove saw_unsafe.
+ (diagnose_tm_1): Same.
+ (ipa_tm_execute): Do not test tm_may_enter_irr before we set it.
+ (ipa_tm_scan_irr_function): Return gracefully when no
+ DECL_STRUCT_FUNCTION.
+ (ipa_tm_scan_irr_block): Believe the user on TM attributes.
+
+2011-12-13 Martin Jambor <mjambor@suse.cz>
+
+ PR middle-end/50628
+ * tree-sra.c (propagate_subaccesses_across_link): Do not propagate
+ sub-accesses of scalar accesses.
+
+2011-12-13 Martin Jambor <mjambor@suse.cz>
+
+ PR tree-optimization/51362
+ * ipa-cp.c (estimate_local_effects): When estimated size of a
+ specialized clone is zero, bump it to one.
+
+2011-12-13 Richard Guenther <rguenther@suse.de>
+
+ PR lto/48354
+ * tree.c (find_decls_types_r): Also walk DECL_ORIGINAL_TYPE.
+ * tree-streamer-in.c (lto_input_ts_decl_non_common_tree_pointers):
+ Stream DECL_ORIGINAL_TYPE.
+ * tree-streamer-out.c (write_ts_decl_non_common_tree_pointers):
+ Likewise.
+