+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.
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