+2009-10-24 Jan Hubicka <jh@suse.cz>
+
+ * ipa-reference.c (check_call): Noreturn notrhow calls do not write
+ to memory.
+ (analyze_function): When analyzing noreturn nothrow call, do not compute
+ written stats; free bitmaps of vars early if possible.
+ (generate_summary): Only update bitmaps if computed.
+ (propagate): Only dump bitmaps if computed.
+ (ipa_reference_read_summary): Fix pasto.
+
+2009-10-24 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-ssa-alias.c (nonaliasing_component_refs_p): Rename into...
+ (aliasing_component_refs_p): ...this. Return true if there is no
+ common base and the base access types have the same alias set.
+ (indirect_ref_may_alias_decl_p): Adjust for above renaming.
+ (indirect_refs_may_alias_p): Likewise.
+
+2009-10-23 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/40033
+ * c-typeck.c (c_finish_stmt_expr): Do not wrap error_mark_node in
+ a C_MAYBE_CONST_EXPR.
+
+2009-10-23 Michael Meissner <meissner@linux.vnet.ibm.com>
+
+ PR target/41787
+ * config/rs6000/rs6000.c (struct machine_function): Add
+ vsx_or_altivec_used_p to record if vector types are used.
+ (rs6000_expand_to_rtl_hook): Rename from
+ rs6000_alloc_sdmode_stack_slot. If VSX, check to see if there are
+ any vector operations, so if there are, we can set VRSAVE to
+ non-zero when only floating point vector registers are used.
+ (TARGET_EXPAND_TO_RTL_HOOK): Use rs6000_expand_to_rtl_hook.
+ (rs6000_check_vector_mode): Inner function to check if vector
+ types are used in the code.
+ (compute_vrsave_mask): If VSX, make sure VRSAVE is non-zero if
+ vector instructions are used.
+
+ * config/rs6000/rs6000.h (HARD_REGNO_CALL_PART_CLOBBERED):
+ Indicate that VSX registers which overlap floating point
+ registers, can't be used across a call, since the ABI only states
+ the scalar part of the register will be saved and restored.
+
+2009-10-23 Joseph Myers <joseph@codesourcery.com>
+
+ PR c/41673
+ * alias.c (get_alias_set): Call langhook before returning 0 for
+ types with structural equality.
+ * c-common.c (c_common_get_alias_set): Use alias set of element
+ type for arrays with structural comparison.
+
+2009-10-23 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/41805
+ * cfgexpand.c (expand_call_stmt): Use gimple_has_side_effects and
+ gimple_call_nothrow_p.
+
+2009-10-23 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/41778
+ * tree-ssa-pre.c (do_regular_insertion): Only insert if a
+ redundancy along a path in the CFG we want to optimize for speed
+ is going to be removed.
+ (execute_pre): Do partial-PRE only if the function is to be
+ optimized for speed.
+ (gate_pre): Do not turn off all of PRE when not optimizing a
+ function for speed.
+
+2009-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ * builtins.c (fold_builtin_cabs): Use validate_arg().
+ (fold_builtin_cexp): Fix if-logic.
+ (fold_builtin_1): Check subtype for BUILT_IN_CIMAG.
+
+2009-10-22 Jeff Law <law@redhat.com>
+
+ * ira-lives.c (process_single_reg_class_operands): Update the
+ hard reg costs for all the hard registers desired by the
+ single reg class operand.
+
+2009-10-22 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * simplify-rtx.c (simplify_replace_fn_rtx): Add a fallback case
+ for rtxes that aren't handled specially.
+
+2009-10-22 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * rtl.h (shallow_copy_rtvec): Declare.
+ * rtl.c (shallow_copy_rtvec): New function.
+ * cselib.c (cselib_subst_to_values): Use it. Only modify an
+ rtx field if the subrtx has changed.
+
+2009-10-22 Anatoly Sokolov <aesok@post.ru>
+
+ * config/m32c/m32c.c (m32c_function_value_regno_p): New function.
+ (m32c_function_value): Make static, add new 'outgoing' argument.
+ (m32c_libcall_value): Make static, add new 'fun' argument.
+ (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Declare.
+ * config/m32c/m32c.h: (FUNCTION_VALUE, LIBCALL_VALUE): Remove.
+ (FUNCTION_VALUE_REGNO_P): Redefine, use m32c_function_value_regno_p.
+ * config/m32c/m32c-protos.h (m32c_function_value_regno_p): Declare.
+ (m32c_function_value, m32c_libcall_value): Delete declaration.
+
+2009-10-22 Diego Novillo <dnovillo@google.com>
+
+ * Makefile.in (PLUGIN_HEADERS): Add output.h and IPA_UTILS_H.
+
+2009-10-22 Razya Ladelsky <razya@il.ibm.com>
+
+ * testsuite/gcc.dg/autopar/outer-4.c: Adjust scan.
+ * testsuite/gcc.dg/autopar/outer-5.c: Adjust scan.
+ * testsuite/gcc.dg/autopar/outer-5.c: Add scan optimized.
+ * tree-cfg.c (gimple_duplicate_sese_tail): Fix typos/indentation/white
+ space.
+
+2009-10-22 Richard Guenther <rguenther@suse.de>
+
+ * lto-streamer.h (lto_symtab_merge_cgraph_nodes): Declare.
+ * lto-symtab.c (struct lto_symtab_entry_def): Add node member.
+ (lto_symtab_merge): Do not merge cgraph nodes here.
+ (lto_symtab_resolve_can_prevail_p): Simplify.
+ (lto_symtab_resolve_symbols): Store cgraph node.
+ (lto_symtab_merge_decls_1): Simplify. Do not drop non-prevailing
+ functions from the symtab.
+ (lto_symtab_merge_cgraph_nodes_1): New function.
+ (lto_symtab_merge_cgraph_nodes): Likewise.
+
+2009-10-22 Richard Guenther <rguenther@suse.de>
+
+ PR lto/41791
+ * lto-streamer-out.c (lto_output_location): Stream the
+ system header flag.
+ * lto-streamer-in.c (lto_input_location): Likewise.
+
2009-10-22 Razya Ladelsky <razya@il.ibm.com>
* cfgloopmanip.c (duplicate_subloops): Export.
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