+2012-01-04 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/51750
+ * tree.c (size_low_cst): New function.
+ * tree.h (size_low_cst): Declare.
+ * fold-const.c (fold_comparison): Use it to extract the low
+ part of the POINTER_PLUS_EXPR offset.
+
+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.
+ * 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.
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.
+ a use is inside the basic block or loop before accessing its vect info.
2012-01-01 Jan Hubicka <jhjh@suse.cz>
* config/sh/sh.h (BRANCH_COST): Use sh_branch_cost variable.
* config/sh/sh.c (sh_option_override): Simplify sh_branch_cost
- expression.
+ expression.
2011-12-28 Ian Lance Taylor <iant@google.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.
+ unlikely_text_section_p. Instead check for being in a code section.
2011-12-28 Ira Rosen <irar@il.ibm.com>
2011-12-25 Jan Hubicka <jh@suse.cz>
- PR middle-end/48641
+ PR middle-end/48641
* tree-ssa-threadupdate.c (redirect_edges): Watch for overflow.
2011-12-26 Oleg Endo <oleg.endo@t-online.de>
(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
+ 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.
+ (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>
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