+2011-11-10 Andrew MacLeod <amacleod@redhat.com>
+
+ PR middle-end/51038
+ * builtins.c (expand_builtin_atomic_clear): New. Expand atomic_clear.
+ (expand_builtin_atomic_test_and_set): New. Expand atomic test_and_set.
+ (expand_builtin): Add cases for test_and_set and clear.
+ * sync-builtins.def (BUILT_IN_ATOMIC_TEST_AND_SET): New.
+ (BUILT_IN_ATOMIC_CLEAR): New.
+
+2011-11-10 Roberto Agostino Vitillo <ravitillo@lbl.gov>
+
+ PR debug/50983
+ * dwarf2out.c (set_cur_line_info_table): Restore the last is_stmt
+ value in the current line table.
+
+2011-11-10 Nathan Sidwell <nathan@acm.org>
+
+ * gcov.c (struct function_info): Make src an index, not a pointer.
+ (struct source_info): Remove index and next source fields.
+ (fn_end): New static var.
+ (sources_index): Remove.
+ (sources): Now a pointer to an array, not a list.
+ (n_sources, a_sources): New.
+ (process_file): Adjust for changes to read_graph_file. Insert
+ functions into source lists and check line numbers here.
+ (generate_results): Only allocate lines for sources with
+ contents. Adjust for source array.
+ (release_structures): Likewise.
+ (find_source): Return source index, adjust for source array.
+ (read_graph_file): Return function list. Don't insert into source
+ lists here.
+ (read_count_file): Take list of functions.
+ (solve_flow_graph): Reverse the arc lists here.
+ (add_line_counts): Adjust for source array.
+
+2011-11-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/51077
+ * tree-object-size.c (addr_object_size): Check TREE_CODE of
+ MEM_REF's operand rather than code of the MEM_REF itself.
+
+2011-11-10 Andrew MacLeod <amacleod@redhat.com>
+
+ PR rtl-optimization/51040
+ * optabs.c (expand_atomic_fetch_op): Patchup code for NAND should
+ be AND followed by NOT.
+ * builtins.c (expand_builtin_atomic_fetch_op): Patchup code for NAND
+ should be AND followed by NOT.
+
+2011-11-10 Jakub Jelinek <jakub@redhat.com>
+
+ * vec.h (VEC_BASE): If base is at offset 0 in the structure,
+ use &(P)->base even if P is NULL.
+
+ PR rtl-optimization/51023
+ * combine.c (simplify_comparison) <case SIGN_EXTEND>: Don't use
+ val_signbit_known_clear_p for signed comparison narrowing
+ optimization. Don't check for non-VOIDmode, use
+ HWI_COMPUTABLE_MODE_P macro.
+ <case ZERO_EXTEND>: Don't check for non-VOIDmode.
+ Optimize even when const_op is equal to GET_MODE_MASK (mode),
+ don't optimize if const_op is negative.
+
+2011-11-10 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51042
+ * tree-ssa-pre.c (phi_translate_1): Avoid recursing on
+ self-referential expressions. Refactor code to avoid duplication.
+
+2011-11-10 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51070
+ * tree-loop-distribution.c (generate_builtin): Do not replace
+ the loop with a builtin if the partition contains statements which
+ results are used outside of the loop.
+ (pass_loop_distribution): Verify and collect.
+
+2011-11-10 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/51030
+ * tree-ssa-phiopt.c (jump_function_from_stmt): New function.
+ (value_replacement): Use it to handle trivial non-empty
+ intermediate blocks.
+
+2011-11-10 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/51071
+ * gimple.c (gimple_has_side_effects): Remove checking code
+ that doesn't belong here.
+
+2011-11-10 Ira Rosen <ira.rosen@linaro.org>
+
+ PR tree-optimization/51058
+ * tree-vect-slp.c (vect_get_constant_vectors): Handle CALL_EXPR.
+
+2011-11-10 Jakub Jelinek <jakub@redhat.com>
+
+ PR tree-optimization/51000
+ * tree-vect-patterns.c (vect_recog_bool_pattern): If adding
+ a pattern stmt for a bool store, adjust DR_STMT too.
+ Don't handle bool conversions to single bit precision lhs.
+ * tree-vect-stmts.c (vect_remove_stores): If next is a pattern
+ stmt, remove its related stmt and free its stmt_vinfo.
+ (free_stmt_vec_info): Free also pattern stmt's vinfo and
+ pattern def stmt's vinfo.
+ * tree-vect-loop.c (destroy_loop_vec_info): Don't try to
+ free pattern stmt's vinfo here.
+ (vect_transform_loop): When calling vect_remove_stores,
+ do gsi_next first and don't call gsi_remove. If not strided
+ store, free stmt vinfo for gsi_stmt (si) rather than stmt.
+
+2011-11-09 Jakub Jelinek <jakub@redhat.com>
+
+ PR target/50911
+ * config/i386/i386.c (expand_vec_perm_interleave2): If d->vmode is
+ V4SImode, !TARGET_SSE2 and punpck[lh]* is needed, change dremap.vmode
+ to V4SFmode.
+
+ * function.h (requires_stack_frame_p): New prototype.
+ * function.c (requires_stack_frame_p): No longer static.
+ * config/i386/i386.c (ix86_finalize_stack_realign_flags): If
+ stack_realign_fp was just a conservative guess for a function
+ which doesn't use sp/fp/argp at all, clear frame_pointer_needed
+ and stack realignment.
+
+2011-11-09 Paolo Carlini <paolo.carlini@oracle.com>
+
+ PR preprocessor/51061
+ * incpath.c (merge_include_chains): Make sure to not pass null
+ pointers to free_path.
+
+2011-11-09 Paolo Carlini <paolo.carlini@oracle.com>
+
+ * doc/invoke.texi ([Option Summary, C++ Language Options]):
+ Add -Wzero-as-null-pointer-constant.
+
+2011-11-07 Matthew Gretton-Dann <matthew.gretton-dann@arm.com>
+
+ * config/arm/arm-cores.def: Add -mcpu=cortex-a7.
+ * config/arm/arm-tables.opt: Regenerate.
+ * config/arm/arm-tune.md: Likewise.
+ * config/arm/bpabi.h (BE8_LINK_SPEC): Add Cortex A-7.
+ * doc/invoke.texi: Document -mcpu=cortex-a7.
+
2011-11-09 Richard Guenther <rguenther@suse.de>
Revert