+2009-10-26 Nick Clifton <nickc@redhat.com>
+
+ * config.gcc: Add support for RX target.
+ * config/rx: New directory.
+ * config/rx/constraints.md: New file.
+ * config/rx/predicates.md: New file.
+ * config/rx/rx.c: New file.
+ * config/rx/rx.h: New file.
+ * config/rx/rx.md: New file.
+ * config/rx/rx.opt: New file.
+ * config/rx/rx-protos.h: New file.
+ * config/rx/t-rx: New file.
+ * doc/extend.texi: Document RX function attributes.
+ * doc/invoke.texi: Document RX specific command line options.
+ * doc/contrib.texi: Document RX contribution.
+ * doc/md.texi: Document RX constraints.
+ * doc/install.texi: Document RX support.
+
+2009-10-26 Michael Matz <matz@suse.de>
+
+ PR tree-optimization/41783
+ * tree-ssa-alias.c (get_continuation_for_phi): Export, add a special
+ case for simple diamonds.
+ * tree-ssa-alias.h (get_continuation_for_phi): Declare.
+ * tree-ssa-pre.c (translate_vuse_through_block): Add same_valid
+ argument, use alias oracle to skip some vdefs.
+ (phi_translate_1): Change call to above, don't allocate new
+ value ids if they can stay the same.
+ (compute_avail): Allow vuse walking when looking up references.
+
+2009-10-26 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/41826
+ * tree-ssa-structalias.c (get_constraint_for_ptr_offset): Avoid
+ access to re-allocated vector fields.
+
+2009-10-26 Richard Guenther <rguenther@suse.de>
+
+ * graphite-sese-to-poly.c (check_poly_representation): Fix
+ compile without checking.
+
+2009-10-26 Janus Weil <janus@gcc.gnu.org>
+
+ PR fortran/41714
+ * gimple.h (tree_annotate_all_with_location): Remove prototype.
+ * gimplify.c (tree_should_carry_location_p,
+ tree_annotate_one_with_location,tree_annotate_all_with_location):
+ Remove obsolete functions.
+
+2009-10-25 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ PR target/41813
+ * config/sh/sh.md (stuff_delay_slot): Don't set T_REG in pattern.
+
+2009-10-25 Richard Guenther <rguenther@suse.de>
+
+ * lto-streamer-in.c (unpack_ts_decl_common_value_fields):
+ Stream DECL_RESTRICTED_P.
+ * lto-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.
+
+2009-10-25 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * config/mips/mips.c (mips_restore_gp_from_cprestore_slot): Emit
+ a note when expanding to nothing.
+
+2009-10-25 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/41814
+ * tree.c (find_decls_types_r): Deal with Java overloading
+ BINFO_VIRTUALS for its own purpose.
+
+2009-10-24 Adam Nemet <anemet@caviumnetworks.com>
+
+ * config/mips/predicates.md (hilo_operand): New predicate.
+ * config/mips/mips.md (<u>mulsidi3_64bit): Change it to a
+ define_insn. Correct !ISA_HAS_EXT_INS length from 24 to 28. Move
+ splitter part from here ...:
+ (<u>mulsidi3_64bit splitter for !ISA_HAS_EXT_INS): ... to here. Swap
+ op0 and op4 to match the DINS case.
+ (<u>mulsidi3_64bit splitter for ISA_HAS_EXT_INS): New splitter.
+
+2009-10-24 Andy Hutchinson <hutchinsonandy@gcc.gnu.org>
+
+ PR middle-end/19154
+ * avr.md (QIDI): Add new mode iterator.
+ (sbrx_branch<mode>): Create new zero extract bit, test and jump
+ patterns for all QI thru DI modes combinations.
+ (sbrx_and_branch<mode>): Create new and based bit test and jump
+ patterns for QI thru SI modes.
+ avr.c (avr_out_sbxx_branch): Use only bit number.
+
+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.
+ * tree-parloops.c (loop_parallel_p): Dump if loop is innermost.
+ (transform_to_exit_first_loop): Duplicate bbs starting from
+ header up to loop->latch instead of exit->src.
+ Initialize control variable to the correct number of iterations.
+ (gather_scalar_reductions): Do not register double reductions.
+ (parallelize_loops): Dump which loop is tested.
+ Indicate whether the parallelized loop is inner or not.
+ Remove the innermost-loop requirement.
+ * cfgloop.h (duplicate_subloops): Export.
+ * tree-cfg.c (add_phi_args_after_redirect): New function.
+ (gimple_duplicate_sese_tail): Remove the no-subloops constraint.
+ Call duplicate_subloops.
+ Update number of iterations at the exit condition.
+ Don't redirect nexits always to the loop exit.
+ Redirect copied edges from latch to the loop exit.
+ * testsuite/libgomp.graphite/force-parallel-2.c: Adjust scan.
+ * testsuite/gcc.dg/autopar/outer-1.c: New testcase.
+ * testsuite/gcc.dg/autopar/outer-2.c: New testcase.
+ * testsuite/gcc.dg/autopar/outer-3.c: New testcase.
+ * testsuite/gcc.dg/autopar/outer-4.c: New testcase.
+ * testsuite/gcc.dg/autopar/outer-5.c: New testcase.
+ * testsuite/gcc.dg/autopar/outer-6.c: New testcase.
+
+2009-10-22 Jan Hubicka <jh@suse.cz>
+
+ * ipa-cp.c (ipcp_read_summary): Remove now invalid FIXME and
+ flag_ltrans check.
+ * ipa-inline.c (cgraph_mark_inline_edge,
+ cgraph_decide_inlining_of_small_function,
+ cgraph_decide_inlining, inline_read_summary): Disable indirect inlining
+ for WPA for time being.
+
+ PR tree-optimize/40556
+ * ipa-inline.c (cgraph_early_inlining): Fix iterations condition.
+
+2009-10-22 Richard Guenther <rguenther@suse.de>
+
+ * lto-streamer.h (lto_symtab_clear_resolution): Remove.
+ * lto-symtab.c (lto_symtab_clear_resolution): Likewise.
+
+2009-10-22 Jan Hubicka <jh@suse.cz>
+
+ PR lto/41730
+ * ipa-reference.c (has_proper_scope_for_analysis): Add fixme about
+ global vars.
+ (check_call): Handle only indirect calls.
+ (propagate_bits): Update comment.
+ (write_node_summary_p): Turn bogus check to assert.
+ (ipa_reference_write_summary): Stream calls_read_all properly.
+ (ipa_reference_read_summary): Stream in calls_read_all properly.
+ (read_write_all_from_decl): New function.
+ (propagate): Handle OVERWRITABLE nodes and external calls here.
+ * ipa-pre-const.c (check_call): In IPA mode handle indirect calls
+ only.
+ (analyze_function): Do not check visibility here.
+ (add_new_function): We summary OVERWRITABLE too.
+ (generate_summary): Stream OVERWRITABLE nodes too.
+ (propagate): Handle external calls and OVERWRITABLE nodes here.
+ (local_pure_const): Check visibility here.
+
+2009-10-22 Jan Hubicka <jh@suse.cz>
+
+ * ipa-cp.c (ipcp_write_summary, ipcp_read_summary): New functions.
+ (pass_ipa_cp): Register them.
+ (ipcp_init_stage): Analyze all functions for whopr/lto.
+ (ipcp_propagate_stage): Skip external calls.
+ (ipcp_iterate_stage): Call ipa_update_after_lto_read if needed.
+ * ipa-reference.c (write_node_summary_p): Fix thinko about availability.
+ * cgraphunit.c (ipa_passes): When in lto, ne er produce new summaries;
+ when in ltrans, skip executing of ipa passes since everything should've
+ been done.
+ * ipa-inline.c (cgraph_decide_inlining): Remove FIXMEs.
+ (inline_generate_summary): Likewise.
+ (inline_read_summary): New function.
+ (inline_write_summary): New function.
+ (pass_ipa_inline): Register new hooks.
+ * ipa-prop.c: Inlcude lto-streamer.h
+ (ipa_edge_args_vector): Update declaration.
+ (ipa_count_arguments, ipa_compute_jump_functions,
+ ipa_free_edge_args_substructures): Move ipa_edge_args_vector into ggc.
+ (ipa_write_jump_function, ipa_read_jump_function, ipa_write_node_info,
+ ipa_read_node_info): New static functions.
+ (ipa_prop_write_jump_functions, ipa_prop_read_jump_functions): Update.
+ (duplicate_array): Use xmalloc.
+ (duplicate_ggc_array): New.
+ (ipa_edge_duplication_hook): Use it.
+ (ipa_update_after_lto_read): New function.
+ * ipa-prop.h (ipa_prop_write_jump_functions,
+ ipa_prop_read_jump_functions): Declare.
+ (ipa_pass_through_data, ipa_ancestor_jf_data, ipa_member_ptr_cst,
+ jump_func_value, ipa_member_ptr_cst, ipa_edge_args): Add GTY markers.
+ (ipa_edge_args_vector): Move into GGC.
+ (ipa_check_create_edge_args): Update.
+ (ipa_update_after_lto_read): New.
+ * passes.c (ipa_write_summaries_1): When in wpa, do not write summaries.
+ (ipa_read_summaries): When in ltrans, so not read summaries.
+ * lto-streamer.c (lto_get_section_name): Add LTO_section_jump_functions.
+ * lto-streamer.h (LTO_section_jump_functions): New section.
+ (produce_asm): Declare.
+ * lto-cgraph.c (output_cgraph): Output edges in reverse order.
+ * lto-streamer-out.c (produce_asm): Export.
+ * lto-streamer-in.c: Include tree-pass.h
+ (input_function): Free dominance info when done.
+ (lto_read_body): Push ipa_inline in ltrans stage.
+ * gengtype.c (open_base_files): Add ipa-prop.h into includes.
+ * Makefile.in (GTFILES): Add ipa-prop.h
+
+2009-10-22 Matthias Klose <doko@ubuntu.com>
+
+ * doc/install.texi: Document --enable-browser-plugin.
+
+2009-10-21 Vladimir Makarov <vmakarov@redhat.com>
+
+ * doc/invoke.texi (fira-loop-pressure): Update default value.
+ * opts.c (decode_options): Remove default value setting for
+ flag_ira_loop_pressure.
+ * config/ia64/ia64.c (ia64_override_options): Set
+ flag_ira_loop_pressure up for -O3.
+ * config/rs6000/rs6000.c (rs6000_override_options): Ditto.
+
+2009-10-21 Sebastian Pop <sebastian.pop@amd.com>
+
+ PR tree-optimization/41497
+ * tree-scalar-evolution.c (analyze_evolution_in_loop): Return
+ chrec_dont_know if the evolution function returned by follow_ssa_edge
+ is constant in the analyzed loop and is not compatible with the
+ initial value before the loop.
+ * tree-chrec.h (no_evolution_in_loop_p): Call STRIP_NOPS.
+
+2009-10-21 Joseph Myers <joseph@codesourcery.com>
+
+ * config/sh/sh.c (nonpic_symbol_mentioned_p): Allow UNSPEC_TPOFF.
+
+2009-10-21 Jakub Jelinek <jakub@redhat.com>
+
+ PR other/25507
+ * doc/invoke.texi: Document -print-multi-os-directory.
+
+2009-10-21 Jack Howarth <howarth@bromo.med.uc.edu>
+
+ PR c++/41313
+ * gcc/config/darwin10.h: Use default_emit_unwind_label.
+ * gcc/config/darwin.c: Disable -freorder-blocks-and-partition
+ when darwin_emit_unwind_label is used.
+
+2009-10-21 Eric Botcazou <ebotcazou@adacore.com>
+
+ * tree-vect-stmts.c (exist_non_indexing_operands_for_use_p): Tweak
+ order of checks.
+
+2009-10-20 Richard Henderson <rth@redhat.com>
+
+ * tree-eh.c (lower_try_finally_copy): Do lower_eh_constructs_1
+ before emit_post_landing_pad.
+
+2009-10-20 Adam Nemet <anemet@caviumnetworks.com>
+
+ * config/mips/mips.c (mips_binary_cost): Add new argument speed.
+ Use when calling rtx_costs.
+ (mips_rtx_costs): Fix formatting. Use argument speed rather than the
+ global optimize_size. Pass speed to mips_binary_cost.
+
+2009-10-20 Jakub Jelinek <jakub@redhat.com>
+
+ * config/rs6000/rs6000.c (def_builtin): Set TREE_READONLY instead
+ of TREE_CONSTANT.
+
+2009-10-20 Richard Sandiford <rdsandiford@googlemail.com>
+
+ * rtl.h (simplify_replace_fn_rtx): Declare.
+ (wrap_constant, unwrap_constant): Delete.
+ * cfgexpand.c (unwrap_constant, wrap_constant): Delete.
+ (expand_debug_expr): Don't call wrap_constant.
+ * combine.c (rtx_subst_pair): Only define for AUTO_INC_DEC.
+ (auto_adjust_pair): Fold into...
+ (propagate_for_debug_subst): ...here. Only define for AUTO_INC_DEC.
+ Just return a new value.
+ (propagate_for_debug): Use simplify_replace_fn_rtx for AUTO_INC_DEC,
+ otherwise use simplify_replace_rtx.
+ * cselib.c (wrap_constant): Reinstate old definition.
+ (cselib_expand_value_rtx_1): Don't wrap constants.
+ * gcse.c (try_replace_reg): Don't use copy_rtx in the call to
+ simplify_replace_rtx.
+ (bypass_block): Fix formatting in calls to simplify_replace_rtx.
+ * reload1.c (reload): Skip all uses for an insn before adjusting it.
+ Use simplify_replace_rtx.
+ * simplify-rtx.c (simplify_replace_fn_rtx): New function,
+ adapted from...
+ (simplify_replace_rtx): ...here. Turn into a wrapper for
+ simplify_replace_fn_rtx.
+ (simplify_unary_operation): Don't unwrap CONSTs.
+ * var-tracking.c (check_wrap_constant): Delete.
+ (vt_expand_loc_callback): Don't call it.
+ (vt_expand_loc): Likewise.
+
2009-10-20 Pascal Obry <obry@adacore.com>
Eric Botcazou <ebotcazou@adacore.com>