+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.
+ (combine_reaching_defs): Likewise.
+ (struct re_info): Remove.
+ (add_removable_extension): Remove x and data arguments,
+ add insn, insn_list and def_map. Use the arguments directly
+ instead of using struct re_info.
+ (find_removable_extensions): Don't call add_removable_extension
+ 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.
+
+2012-01-26 Michael Matz <matz@suse.de>
+
+ PR tree-optimization/46590
+ * cfgexpand.c: Revert last change (r183305).
+ * gimplify.c (gimplify_bind_expr): Add clobbers for all non-gimple
+ regs.
+ * tree-eh.c (cleanup_empty_eh): Try to optimize clobbers before
+ checking for emptiness.
+
+2012-01-26 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/51895
+ * expr.c (expand_expr_real_1): Handle BLKmode MEM_REF of
+ non-addressable non-BLKmode base correctly.
+
+2012-01-26 Michael Matz <matz@suse.de>
+
+ PR tree-optimization/48794
+ * tree-eh.c (remove_unreachable_handlers_no_lp): Don't remove
+ regions referenced from RESX/EH_DISPATCH.
+
+2012-01-26 Andreas Krebbel <Andreas.Krebbel@de.ibm.com>
+
+ * config/s390/s390.h: Make BRANCH_COST an option.
+ * config/s390/s390.opt: New option -mbranch-cost.
+
+2012-01-26 Richard Henderson <rth@redhat.com>
+
+ Revert 2012-01-24 change:
+ * trans-mem.c (requires_barrier): Do not instrument thread local
+ variables and emit save/restore for them.
+
+2012-01-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/51986
+ * sched-deps.c (sched_get_condition_with_rev_uncached): Don't test
+ for pat == 0.
+
+2012-01-25 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_small_data_pattern_1): Don't process
+ ASM_OPERANDS.
+
+2012-01-25 Georg-Johann Lay <avr@gjlay.de>
+
+ PR target/49868
+ Rename __pgm to __flash.
+ Rename __pgm1 to __flash1.
+ Rename __pgm2 to __flash2.
+ Rename __pgm3 to __flash3.
+ Rename __pgm4 to __flash4.
+ Rename __pgm5 to __flash5.
+ Rename __pgmx to __memx.
+ * doc/extend.texi (AVR Named Address Spaces)
+ Rename address space names as indicated above.
+ * config/avr/avr.c (avr_addrspace): Ditto.
+
+ * config/avr/avr-protos.h
+ (avr_mem_pgmx_p): Rename to avr_mem_memx_p.
+ (avr_mem_pgm_p): Rename to avr_mem_flash_p.
+ * config/avr/predicates.md: Ditto.
+ * config/avr/avr.c Ditto, and
+ (avr_decl_pgmx_p): Rename to avr_decl_memx_p.
+ (avr_decl_pgm_p): Rename to avr_decl_flash_p.
+
+ * config/avr/avr.h (ADDR_SPACE_PGM): Rename to ADDR_SPACE_FLASH.
+ (ADDR_SPACE_PGM1): Rename to ADDR_SPACE_FLASH1.
+ (ADDR_SPACE_PGM2): Rename to ADDR_SPACE_FLASH2.
+ (ADDR_SPACE_PGM3): Rename to ADDR_SPACE_FLASH3.
+ (ADDR_SPACE_PGM4): Rename to ADDR_SPACE_FLASH4.
+ (ADDR_SPACE_PGM5): Rename to ADDR_SPACE_FLASH5.
+ (ADDR_SPACE_PGMX): Rename to ADDR_SPACE_MEMX.
+ * config/avr/avr.c: Ditto.
+ * config/avr/avr.md: Ditto.
+
+2012-01-25 Jason Merrill <jason@redhat.com>
+
+ PR c++/51992
+ * tree.c (find_decls_types_in_node): Walk gimple_call_fntype.
+
+2012-01-25 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51987
+ * tree-data-ref.c (get_references_in_stmt): Handle references in
+ non-volatile GIMPLE_ASM.
+
+2012-01-25 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-sccvn.c (vn_reference_eq): Also compare if both
+ bases are dereferenced.
+
+2012-01-25 Andrey Belevantsev <abel@ispras.ru>
+
+ PR rtl-optimization/48374
+ * sel-sched-ir.h (get_all_loop_exits): Check for zero successors.
+
+2012-01-25 Andrey Belevantsev <abel@ispras.ru>
+
+ * tree-predcom.c (tree_predictive_commoning_loop): Bail out when
+ compute_data_dependences_for_loop returns false.
+ * tree-parloops.c (loop_parallel_p): Likewise.
+
+2012-01-25 Richard Guenther <rguenther@suse.de>
+
+ * tree.h (get_pointer_alignment_1): Declare.
+ * builtins.c (get_pointer_alignment_1): New function.
+ (get_pointer_alignment): Use it.
+
+2012-01-25 Ramana Radhakrishnan <ramana.radhakrishnan@linaro.org>
+
+ PR rtl-optimization/48308
+ * combine.c (enum undo_kind): Add UNDO_LINKS.
+ (struct undo): Add member l to other_contents and where.
+ (do_SUBST_LINK): New.
+ (SUBST_LINK): New.
+ (try_combine): Handle LOG_LINKS for the dummy i1 case.
+ (undo_all): Handle UNDO_LINKS.
+
2012-01-25 Richard Henderson <rth@redhat.com>
* optabs.c (maybe_emit_atomic_test_and_set): Allow non-QImode
to effect no-op split.
2012-01-24 Aldy Hernandez <aldyh@redhat.com>
+
+ PR lto/51698
+ * builtin-types.def: (BT_CONST_DOUBLE_PTR): New.
+ (BT_FN_VOID_PTR_CONST_PTR_SIZE): New.
+ (BT_FN_VOID_PTR_INT_SIZE): New.
+ (BT_FN_UINT_UINT_VAR): Remove.
+ (BT_FN_UINT32_UINT32_VAR): New.
+ (BT_FN_DOUBLE_VPTR): Remove.
+ (BT_FN_DOUBLE_CONST_DOUBLE_PTR): New.
+
+ * gtm-builtins.def (_ITM_abortTransaction): Set return type to
+ void.
+ (_ITM_changeTransactionMode): Same.
+ (_ITM_memmoveRtWt): Change return type to void.
+ (_ITM_memcpyRtWt): Same.
+ (_ITM_memsetW): Same.
+ (_ITM_RaRD): Change types to double.
+ (_ITM_RD): Same.
+ (_ITM_RaWD): Same.
+ (_ITM_RfWD): Same.
+
+ * builtins.def (DEF_TM_BUILTIN): Set BOTH_P to true.
+
+2012-01-24 Aldy Hernandez <aldyh@redhat.com>
Patrick Marlier <patrick.marlier@gmail.com>
* trans-mem.c (requires_barrier): Do not instrument thread local
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