+2012-01-04 Georg-Johann Lay <avr@gjlay.de>
+
+ Fix clearing ZERO_REG
+ * config/avr/avr.md (cc): Add alternative "ldi".
+ (movqi_insn): Use it in cc attribute.
+ * config/avr/avr.c (notice_update_cc): Handle CC_LDI.
+ (output_reload_in_const): Use CLR to move 0 to ZERO_REG.
+ (output_reload_insisf): Use ZERO_REG to pre-clear register.
+
+2012-01-04 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * configure: Regenerate.
+
+2012-01-04 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/49651
+ * tree-ssa-structalias.c (type_can_have_subvars): New function.
+ (var_can_have_subvars): Use it.
+ (get_constraint_for_1): Only consider subfields if there
+ can be any.
+
+2012-01-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/51725
+ * cselib.c (new_elt_loc_list): When moving locs from one
+ cselib_val to its new canonical_cselib_val and the
+ cselib_val was in first_containing_mem chain, but
+ the canonical_cselib_val was not, add the latter into the
+ chain.
+ (cselib_invalidate_mem): Compare canonical_cselib_val of
+ addr_list chain elt with v.
+
+ PR pch/51722
+ * dwarf2out.c (dwarf2out_start_source_file, dwarf2out_define,
+ dwarf2out_undef): Allocate e.info using ggc_strdup instead
+ of xstrdup.
+ (output_macinfo_op): Don't ggc_strdup fd->filename.
+ (optimize_macinfo_range): Allocate grp_name using XALLOCAVEC,
+ then ggc_strdup it. Don't free inc->info or cur->info.
+ (output_macinfo): Don't free ref->info or file->info.
+
+2012-01-03 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/51269
+ * tree-vect-loop-manip.c (set_prologue_iterations): Make
+ first_niters a pointer.
+ (slpeel_tree_peel_loop_to_edge): Likewise.
+ (vect_do_peeling_for_loop_bound): Update call to
+ slpeel_tree_peel_loop_to_edge.
+ (vect_gen_niters_for_prolog_loop): Don't compute wide_prolog_niters
+ here. Remove it from the parameters list.
+ (vect_do_peeling_for_alignment): Update calls and compute
+ wide_prolog_niters.
+
+2012-01-03 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51070
+ * tree-loop-distribution.c (stmt_has_scalar_dependences_outside_loop):
+ Properly handle calls.
+
+2012-01-03 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51692
+ * tree-ssa-dce.c (eliminate_unnecessary_stmts): Do not remove
+ the LHS of allocation stmts.
+
+2012-01-03 Olivier Hainque <hainque@adacore.com>
+
+ * system.h: Prior to #define, #undef fopen and freopen unconditionally.
+
+2012-01-03 Olivier Hainque <hainque@adacore.com>
+
+ * collect2.c (main): In AIX specific computations for vector
+ insertions, use CONST_CAST2 to cast from char ** to const char **.
+
+2012-01-03 Richard Guenther <rguenther@suse.de>
+
+ PR debug/51650
+ * dwarf2out.c (dwarf2out_finish): Always create a DIE for
+ the context of a limbo DIE when it does not already exist.
+
+2012-01-03 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51719
+ * value-prof.c (gimple_ic): When indirect call isn't noreturn,
+ but direct call is, clear direct call's lhs and don't add fallthrough
+ edge from dcall_bb to join_bb and PHIs.
+
+2012-01-03 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.md ("*cmp<mode>_ccs"): Fix comment mentioning
+ the instructions emitted by the pattern.
+ ("*TDC_insn_<mode>"): Add comment.
+
+2012-01-03 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/51730
+ * fold-const.c (fold_comparison): Properly canonicalize
+ tree offset and HOST_WIDE_INT bit position.
+
+2012-01-02 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/ia64/ia64.c (expand_vec_perm_broadcast): Use correct
+ operands for extzv pattern.
+
+2012-01-02 Jakub Jelinek <jakub@redhat.com>
+
+ PR bootstrap/51725
+ * cselib.c (add_mem_for_addr): Call canonical_cselib_val
+ on mem_elt first.
+
+2012-01-02 Sandra Loosemore <sandra@codesourcery.com>
+
+ * doc/invoke.texi (-flto and related options): Copy-edit.
+
+2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.md (loadgp_newabi_<mode>): Add missing earlyclobber.
+
+2012-01-02 Jakub Jelinek <jakub@redhat.com>
+
+ * config/i386/sse.md (*avx2_gatherdi<mode>_3, *avx2_gatherdi<mode>_4):
+ New patterns.
+
+2012-01-02 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * expr.h (move_by_pieces_ninsns): Declare.
+ * expr.c (move_by_pieces_ninsns): Make external.
+ * config/mips/mips-protos.h (mips_move_by_pieces_p): Declare.
+ (mips_store_by_pieces_p): Likewise.
+ * config/mips/mips.h (MOVE_BY_PIECES_P): Call mips_move_by_pieces_p.
+ (STORE_BY_PIECES_P): Likewise mips_store_by_pieces_p.
+ * config/mips/mips.c (mips_move_by_pieces_p): New function.
+ (mips_store_by_pieces_p): Likewise.
+
+2012-01-02 Jakub Jelinek <jakub@redhat.com>
+
+ * passes.c (register_one_dump_file): Free full_name.
+
+ * reload1.c (reload): Don't allocate reg_max_ref_width here.
+ (calculate_elim_costs_all_insns): Free offsets_at and
+ offsets_known_at at the end and clear the pointers.
+
+2012-01-02 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.opt (-mbranch-cost): Fix double definition of
+ this option introduced in r180739.
+
+2012-01-02 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/51345
+ * config.gcc (tm_file target=avr]): Add avr/avr-multilib.h
+ (tmake_file target=avr): Add avr/t-multilib.
+
+ * config/avr/avr-c.c (avr_cpu_cpp_builtins): Use AVR_HAVE_8BIT_SP
+ to built-in define __AVR_HAVE_8BIT_SP__, __AVR_HAVE_16BIT_SP__.
+ * config/avr/genmultilib.awk: New file.
+ * config/avr/t-multilib: New auto-generated file.
+ * config/avr/multilib.h: New auto-generated file.
+ * config/avr/t-avr (AVR_MCUS): New variable.
+ (genopt.sh): Use it.
+ (s-mlib): Depend on t-multilib.
+ (t-multilib, multilib.h): New dependencies.
+ (s-avr-mlib): New rule to build t-multilib, multilib.h from AVR_MCUS.
+ (MULTILIB_OPTIONS): Remove.
+ (MULTILIB_MATCHES): Remove.
+ (MULTILIB_DIRNAMES): Remove.
+ (MULTILIB_EXCEPTIONS): Remove:
+ * config/avr/genopt.sh: Don't use hard coded file name;
+ pass AVR_MCUS from t-avr instead.
+
+2012-01-02 Georg-Johann Lay <avr@gjlay.de>
+
+ * config/avr/avr.c (avr_out_ashrpsi3): Fix "case 31" to "case 23".
+
+2012-01-02 Georg-Johann Lay <avr@gjlay.de>
+
+ Implement light-weight DImode support.
+ * config/avr/avr-dimode.md: New file.
+ * config/avr/avr.md: Include it.
+ (adjust_len): Add plus64, compare64.
+ (HIDI): Remove code iterator.
+ (code_stdname): New code attribute.
+ (rotx, rotsmode): Remove DI.
+ (rotl<mode>3, *rotw<mode>, *rotb<mode>): Use HISI instead of HIDI
+ as code iterator.
+ * config/avr/avr-protos.h (avr_have_dimode): New.
+ (avr_out_plus64, avr_out_compare64): New.
+ * config/avr/avr.c (avr_out_compare): Handle DImode.
+ (avr_have_dimode): New variable definition and initialization.
+ (avr_out_compare64, avr_out_plus64): New functions.
+ (avr_out_plus_1): Use simplify_unary_operation to negate xval.
+ (adjust_insn_length): Handle ADJUST_LEN_COMPARE64, ADJUST_LEN_PLUS64.
+ (avr_compare_pattern): Skip DImode comparisons.
+
+2012-01-02 Revital Eres <revital.eres@linaro.org>
+
+ * ddg.c (def_has_ccmode_p): New function.
+ (add_cross_iteration_register_deps,
+ create_ddg_dep_from_intra_loop_link): Call it.
+
+2012-01-02 Richard Guenther <rguenther@suse.de>
+
+ PR other/51679
+ * invoke.texi (fassociative-math): Remove spurious paranthesis.
+
+2012-01-01 Jakub Jelinek <jakub@redhat.com>
+
+ * gcc.c (process_command): Update copyright notice dates.
+ * gcov.c (print_version): Likewise.
+ * gcov-dump.c (print_version): Likewise.
+ * mips-tfile.c (main): Likewise.
+ * mips-tdump.c (main): Likewise.
+
+2012-01-01 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/51704
+ * tree-vect-slp.c (vect_detect_hybrid_slp_stmts): Check that
+ a use is inside the basic block or loop before accessing its vect info.
+
+2012-01-01 Jan Hubicka <jhjh@suse.cz>
+
+ PR rtl-optimization/51069
+ * cfgloopmanip.c (remove_path): Removing path making irreducible
+ region unconditional makes BB part of the region.
+
+2012-01-01 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51683
+ * tree-ssa-propagate.c (substitute_and_fold): Don't optimize away
+ calls with side-effects.
+ * tree-ssa-ccp.c (ccp_fold_stmt): Likewise.
+
+2011-12-31 Alexandre Oliva <aoliva@redhat.com>
+
+ * cselib.h (cselib_add_permanent_equiv): Declare.
+ (canonical_cselib_val): New.
+ * cselib.c (new_elt_loc_list): Rework to support value
+ equivalences. Adjust all callers.
+ (preserve_only_constants): Retain value equivalences.
+ (references_value_p): Retain preserved values.
+ (rtx_equal_for_cselib_1): Handle value equivalences.
+ (cselib_invalidate_regno): Use canonical value.
+ (cselib_add_permanent_equiv): New.
+ * alias.c (find_base_term): Reset locs lists while recursing.
+ * var-tracking.c (val_bind): New. Don't add equivalences
+ present in cselib table, compared with code moved from...
+ (val_store): ... here.
+ (val_resolve): Use val_bind.
+ (VAL_EXPR_HAS_REVERSE): Drop.
+ (add_uses): Do not create MOps for addresses. Do not mark
+ non-REG non-MEM expressions as requiring resolution.
+ (reverse_op): Record reverse as a cselib equivalence.
+ (add_stores): Use it. Do not create MOps for addresses.
+ Do not require resolution for non-REG non-MEM expressions.
+ Simplify support for reverse operations.
+ (compute_bb_dataflow): Drop reverse support.
+ (emit_notes_in_bb): Likewise.
+ (create_entry_value): Rename to...
+ (record_entry_value): ... this. Use cselib equivalences.
+ (vt_add_function_parameter): Adjust.
+
+2011-12-30 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ * config/rs6000/rs6000.c (rs6000_inner_target_options): Fix thinko
+ in setting options via target #pragma or attribute.
+
+2011-12-30 Anatoly Sokolov <aesok@post.ru>
+
+ * config/bfin/bfin.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
+ * config/bfin/bfin-protos.h (bfin_register_move_cost,
+ bfin_memory_move_cost): Remove.
+ * config/bfin/bfin.c (bfin_register_move_cost,
+ bfin_memory_move_cost): Make static. Change arguments type from
+ enum reg_class to reg_class_t and from int to bool.
+ (TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.
+
+2011-12-30 Nathan Sidwell <nathan@acm.org>
+
+ * gcov.c (total_lines, total_executed): New global vars.
+ (generate_results): Call executed_summary.
+ (executed_summary): New function, broken out of ...
+ (function_summary): ... here. Call it.
+ * coverage.c (coverage_finish): Also check for local_tick == -1.
+ * gcov-dump (tag_function): Correct labelling typo.
+
+2011-12-29 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/51623
+ * config/rs6000/rs6000.c (rs6000_assemble_integer): Delete check
+ for an initialized pointer being in a text section with
+ -mrelocatable, since it should never happen.
+
+2011-12-29 Michael Eager <eager@eagercon.com>
+
+ * config/microblaze/microblaze.md: Add expander for simple_return,
+ return, add return_internal and simple_return_internal insns.
+
+2011-12-29 Oleg Endo <olegendo@gcc.gnu.org>
+
+ * config/sh/sh.h (BRANCH_COST): Use sh_branch_cost variable.
+ * config/sh/sh.c (sh_option_override): Simplify sh_branch_cost
+ expression.
+
+2011-12-28 Ian Lance Taylor <iant@google.com>
+
+ * dwarf2out.c (gen_compile_unit_die): Use DW_LANG_Go for Go.
+
+2011-12-28 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/51623
+ * config/rs6000/rs6000.c (rs6000_assemble_integer): Don't call
+ unlikely_text_section_p. Instead check for being in a code section.
+
+2011-12-28 Ira Rosen <irar@il.ibm.com>
+
+ PR tree-optimization/51684
+ * tree-vect-slp.c (vect_schedule_slp_instance): Get gsi of original
+ statement in case of a pattern.
+ (vect_schedule_slp): Likewise.
+
+2011-12-27 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR rtl-optimization/51667
+ * ree.c (insn_merge_code): Delete.
+ (is_insn_merge_attempted): Likewise.
+ (get_insn_status): Likewise.
+ (set_insn_status): Likewise.
+ (struct ext_cand): Add CODE and MODE fields.
+ (combine_set_extend): Rename to...
+ (combine_set_extension): ...this. Use above fields and tidy up.
+ (transform_ifelse): Likewise.
+ (get_defs): Return the chain of definitions.
+ (is_this_a_cmove): Merge into...
+ (is_cond_copy_insn): ...this. Return bool.
+ (make_defs_and_copies_lists): Adjust calls to get_defs and simplify.
+ (merge_def_and_ext): Adjust call to combine_set_extend.
+ (combine_reaching_defs): Remove calls to {g|s}et_insn_status.
+ (struct extend_info): Rename to...
+ (struct re_info): ...this. Add DEF_MAP field.
+ (add_ext_candidate): Merge into...
+ (add_removable_extension): ...this. Adjust calls to get_defs. Ensure
+ reaching definitions are associated with only one kind of extension.
+ (find_removable_extensions): Create and destroy the definition map.
+ (find_and_remove_re): Return void. Change 'long' variables to 'int'.
+ Do not deal with is_insn_merge_attempted.
+
+2011-12-25 Jan Hubicka <jh@suse.cz>
+
+ PR middle-end/48641
+ * tree-ssa-threadupdate.c (redirect_edges): Watch for overflow.
+
+2011-12-26 Oleg Endo <oleg.endo@t-online.de>
+
+ * config/sh/sync.md: Add soft atomics ABI description.
+ (fetchop_name): Use 'or' instead of 'ior'.
+ (fetchop_insn): Remove.
+ (atomic_compare_and_swap<mode>_soft):
+ Don't insert aligning nop after the write-back instruction. Fix
+ multi-line asm output formatting style.
+ (atomic_fetch_<fetchop_name><mode>_soft): Likewise.
+ (atomic_fetch_nand<mode>_soft): Likewise.
+ (atomic_<fetchop_name>_fetch<mode>_soft): Likewise.
+ (atomic_nand_fetch<mode>_soft): Likewise.
+
2011-12-23 Richard Henderson <rth@redhat.com>
* tree.def (VEC_EXTRACT_EVEN_EXPR, VEC_EXTRACT_ODD_EXPR): Remove.
clobber, but all consecutive clobbers before RESX.
Use gimple_clobber_p predicate.
-2011-12-09 Michael Meissner <meissner@the-meissners.org>
+2011-12-09 Michael Meissner <meissner@linux.vnet.ibm.com>
* config/rs6000/rs6000.c (altivec_expand_builtin): Call
expand_call to return a valid funciton instead of return
(ia64_print_operand_punct_valid_p): New function.
(ia64_print_operand, ia64_print_operand_address): Make static.
-2011-12-02 Michael Meissner <meissner@the-meissners.org>
+2011-12-02 Michael Meissner <meissner@linux.vnet.ibm.com>
PR target/51390
* config/rs6000/rs6000.c (def_builtin): Use the correct field to