gcse.c (modify_mem_list): Convert to an array of VECs.

[thirdparty/gcc.git] / gcc / ChangeLog

2011-04-05  Nathan Froyd  <froydnj@codesourcery.com>

	* gcse.c (modify_mem_list): Convert to an array of VECs.
	(canon_modify_mem_list, compute_transp): Tweak formatting.
	(alloc_gcse_mem): Likewise.  Adjust for modify_mem_list change.
	(load_killed_in_block_p): Likewise.
	(record_last_mem_set_info): Likewise.
	(clear_modify_mem_tables): Likewise.

2011-04-05  Tom de Vries  <tom@codesourcery.com>

	PR middle-end/48461
	* function.c (emit_use_return_register_into_block): Only define if
	HAVE_return.

2011-04-05  Eric Botcazou  <ebotcazou@adacore.com>

	* stor-layout.c (self_referential_size): Fix 2010-07-13 commit.

2011-04-05  Joseph Myers  <joseph@codesourcery.com>

	* config/rx/rx-opts.h: New.
	* config/rx/rx.c (rx_cpu_type): Remove.
	(rx_handle_option): Don't assert that global structures are in
	use.  Access variables via opts pointer.  Defer most handling of
	OPT_mint_register_.  Use error_at.
	(rx_option_override): Handle deferred OPT_mint_register_ here.
	* config/rx/rx.h (enum rx_cpu_types): Move to rx-opts.h.
	* config/rx/rx.opt (config/rx/rx-opts.h: New HeaderInclude.
	(mcpu=): Use Enum and specifiy rx_cpu_type with Var.
	(rx_cpu_types): New Enum and EnumValue entries.
	(mint-register=): Use Defer and use Var accordingly.

2011-04-05  Nathan Froyd  <froydnj@codesourcery.com>

	* debug.h (debug_flush_symbol_queue, debug_queue_symbol): Delete.
	(debug_free_queue, debug_nesting, symbol_queue_index): Delete.
	* final.c (debug_flush_symbol_queue, debug_queue_symbol):
	Move these...
	(debug_free_queue, debug_nesting, symbol_queue_index):
	...and these...
	* dbxout.c: ...to here.  Make static.

2011-04-05  Nathan Froyd  <froydnj@codesourcery.com>

	* gcse.c (modify_pair): Define.  Define a VEC of it.
	(canon_modify_mem_list): Convert to an array of VECs.
	(free_insn_expr_list_list): Delete.
	(clear_modify_mem_tables): Call VEC_free instead.
	(record_last_mem_set_info): Don't modify canon_modify_mem_list.
	(alloc_gcse_mem): Adjust for canon_modify_mem_list change.
	(canon_list_insert, compute_transp): Likewise.

2011-04-05  Tom de Vries  <tom@codesourcery.com>

	PR target/43920
	* config/arm/arm.h (BRANCH_COST): Set to 1 for Thumb-2 when optimizing
	for size.

2011-04-05  Tom de Vries  <tom@codesourcery.com>

	PR target/43920
	* function.c (emit_use_return_register_into_block): New function.
	(thread_prologue_and_epilogue_insns): Use
	emit_use_return_register_into_block.

2011-04-05  Tom de Vries  <tom@codesourcery.com>

	PR target/43920
	* cfgcleanup.c (flow_find_cross_jump): Don't count USE or CLOBBER as
	insn.

2011-04-05  Tom de Vries  <tom@codesourcery.com>

	* cfgcleanup.c (try_crossjump_bb): Remove 2 superfluous variables.

2011-04-05  Yufeng Zhang  <yufeng.zhang@arm.com>

        * config/arm/arm.md (define_constants for unspec): Replace with
        define_c_enum.
        (define_constants for unspecv): Replace with define_c_enum.
        * config/arm/neon.md (define_constants for unspec): Replace with
        define_c_enum.

2011-04-04  Richard Henderson  <rth@redhat.com>

	PR bootstrap/48400
	* dwarf2out.c (output_line_info): Always emit line info from
	at least one section.
	(dwarf2out_init): Create text_section_line_info here ...
	(set_cur_line_info_table): ... not here.

2011-04-04  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/48380
	* ira.c (ira): Call grow_reg_equivs when fix_reg_equiv_init is
	not called.

	* ira-emit.c (emit_move_list): Update reg_equiv_init insn list.

2011-04-04  Steven Bosscher  <steven@gcc.gnu.org>

	* cprop.c (struct expr): Split 'expr' field in 'dest' and 'src'.
	(expr_equiv_p): Remove.
	(insert_set_in_table): Look at <dest, src> pair instead of expr.
	(hash_scan_set): Update call to insert_set_in_table.
	(dump_hash_table): Dump <dest, src> pair.
	(lookup_set): Simplify.  Lookup <dest, src> pair.
	(compute_transp): Remove, fold heavily simplified code into...
	(compute_local_properties): ...here.  Expect COMP and TRANSP
	unconditionally.
	(find_avail_set): Take set directly from struct expr.
	(find_bypass-set): Likewise.
	(bypass_block): Likewise.
	(cprop_insn): Likewise.  Remove redundant INSN_P test.

	* cprop.c (implicit_set_cond_p): Assume nothing about COND, move
	checks on form of COND from find_implicit_sets to here.
	(find_implicit_sets): Cleanup control flow. Split critical edges
	if it exposes implicit sets.  Allocate/resize implicit_sets as
	necessary.
	(one_cprop_pass): Only delete unreachable blocks if local_cprop_pass
	changed something.  Run df_analyze after find_implicit_sets if any
	edges were split.  Do not allocate implicit_sets here.

	* cprop.c: s/gcse/cprop/ everywhere except for flag_gcse.
	(gcse_obstack): Renamed to cprop_obstack.
	(GNEW, GNEWVEC, GNEWVAR): Remove.
	(gmalloc): Remove.
	(alloc_hash_table): Use XNEWVAR instead of GNEWVAR.
	(GOBNEW, GOBNEWVAR): Adjust for gcse_obstack renaming.
	(gcse_alloc): Likewise, and rename to cprop_alloc.
	(alloc_gcse_men, free_gcse_mem): Remove.
	(gcse_constant_p): Rename to cprop_constant_p, and adjust all callers.
	(compute_hash_table_work): Allocate and free reg_set_bitmap here.
	(one_cprop_pass): Likewise. Adjust for gcse_obstack renaming.

	* cprop.c (oprs_not_set_p): Remove.
	(mark_set, mark_clobber): Remove.
	(mark_oprs_set): Rewrite using DF_INSN_INFO_DEFS cache.
	(reg_not_set_p): New function.
	(find_avail_set): Use reg_not_set_p instead of oprs_not_set_p.
	(cprop_insn): Likewise.
	(cprop_jump): Use FOR_EACH_EDGE.

2011-04-04  Bernd Schmidt  <bernds@codesourcery.com>

	PR bootstrap/48403
	* haifa-sched.c (nonscheduled_insns_begin): New static variable.
	(rank_for_schedule): Use scheduled_insns vector instead of
	last_scheduled_insn.
	(ok_for_early_queue_removal): Likewise.
	(queue_to_ready): Search forward in nonscheduled_insns_begin if
	we have a dbg_cnt.
	(choose_ready): Likewise.
	(commit_schedule): Use VEC_iterate.
	(schedule_block): Initialize nonscheduled_insns_begin.  If we have
	a dbg_cnt, use it and ensure the first insn is in the ready list.
	(haifa_sched_init): Allocate scheduled_insns.
	(sched_extend_ready_list): Don't allocate it; reserve space.
	(haifa_sched_finish): Free it.

2011-04-04  Joseph Myers  <joseph@codesourcery.com>

	* optc-gen.awk: Always remove type from Variable entry before
	recording in var_seen.

2011-04-04  Eric Botcazou  <ebotcazou@adacore.com>

	* cfghooks.c (tidy_fallthru_edges): Add ??? comment.
	* tree-inline.c (delete_unreachable_blocks_update_callgraph): Remove
	call to tidy_fallthru_edges.

2011-04-04  Joseph Myers  <joseph@codesourcery.com>

	* doc/options.texi (ToLower): Document.
	* opt-functions.awk (switch_bit_fields): Initialize cl_tolower
	field.
	* opts-common.c (decode_cmdline_option): Handle cl_tolower.
	* opts.h (cl_option): Add cl_tolower field.
	* config/rx/rx.c (rx_handle_option): Use strcmp of -mcpu=
	arguments with lowercase strings.
	* config/rx/rx.opt (mcpu=): Add ToLower.
	* config/rx/t-rx (MULTILIB_MATCHES): Don't handle uppercase -mcpu=
	argument.

2011-04-04  Richard Sandiford  <richard.sandiford@linaro.org>

	* config/pdp11/pdp11.h (IRA_COVER_CLASSES): Delete.

2011-04-04  Richard Sandiford  <richard.sandiford@linaro.org>

	* config/vax/vax.c: Include reload.h.

2011-04-04  Anatoly Sokolov  <aesok@post.ru>

	* config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Remove.
	* config/sparc/sparc.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
	(sparc_preferred_reload_class): New function.

2011-04-04  Jakub Jelinek  <jakub@redhat.com>

	PR debug/48401
	* cfgexpand.c (expand_gimple_basic_block): Avoid useless assignment.
	Use PAT_VAR_LOCATION_LOC instead of INSN_VAR_LOCATION_LOC.

2011-04-03  Nathan Froyd  <froydnj@codesourcery.com>

	* tree.h (struct tree_const_decl): Inherit from tree_decl_common.
	* tree.c (initialize_tree_contains_struct): Adjust accordingly.

2011-04-03  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.h (ASM_OUTPUT_BSS): Remove.
	(ASM_OUTPUT_ALIGNED_BSS): Define.

2011-04-03  Michael Matz  <matz@suse.de>

	* lto-streamer.h (struct lto_streamer_cache_d): Remove offsets
	and next_slot members.
	(lto_streamer_cache_insert, lto_streamer_cache_insert_at,
	lto_streamer_cache_lookup, lto_streamer_cache_get): Adjust prototypes.
	(lto_streamer_cache_append): Declare.
	* lto-streamer.c (lto_streamer_cache_add_to_node_array): Use
	unsigned index, remove offset parameter, ensure that we append
	or update existing entries.
	(lto_streamer_cache_insert_1): Use unsigned index, remove offset_p
	parameter, update next_slot for append.
	(lto_streamer_cache_insert): Use unsigned index, remove offset_p
	parameter.
	(lto_streamer_cache_insert_at): Likewise.
	(lto_streamer_cache_append): New function.
	(lto_streamer_cache_lookup): Use unsigned index.
	(lto_streamer_cache_get): Likewise.
	(lto_record_common_node): Don't test tree_node_can_be_shared.
	(preload_common_node): Adjust call to lto_streamer_cache_insert.
	(lto_streamer_cache_delete): Don't free offsets member.
	* lto-streamer-out.c (eq_string_slot_node): Use memcmp.
	(lto_output_string_with_length): Use lto_output_data_stream.
	(lto_output_tree_header): Remove ix parameter, don't write it.
	(lto_output_builtin_tree): Likewise.
	(lto_write_tree): Adjust callers to above, don't track and write
	offset, write unsigned index.
	(output_unreferenced_globals): Don't emit all global vars.
	(write_global_references): Use unsigned indices.
	(lto_output_decl_state_refs): Likewise.
	(write_symbol): Likewise.
	* lto-streamer-in.c (lto_input_chain): Move earlier.
	(input_function): Use unsigned index.
	(input_alias_pairs): Don't read and then ignore all global vars.
	(lto_materialize_tree): Remove ix_p parameter, don't read index,
	don't pass it back, use lto_streamer_cache_append.
	(lto_register_var_decl_in_symtab): Use unsigned index.
	(lto_register_function_decl_in_symtab): Likewise.
	(lto_get_pickled_tree): Don't read in or handle offset, read unsigned
	index.
	(lto_get_builtin_tree): Don't read index, use
	lto_streamer_cache_append.
	(lto_read_tree): Adjust call to lto_materialize_tree.

	* ipa-inline.c (cgraph_edge_badness): Move growth calculaton,
	don't use function calls in arguments to MIN.

	* varasm.c (decl_binds_to_current_def_p): Don't check TREE_PUBLIC
	twice.

	* gimple.c (gimple_type_leader_entry): Mark deletable.

2011-04-03  Alan Modra  <amodra@gmail.com>

	* dwarf2out.c (mem_loc_descriptor): Recurse on LO_SUM.

2011-04-03  Michael Matz  <matz@suse.de>

	* tree.c (free_lang_data_in_decl): Zero DECL_VINDEX if it's not
	an integer.
	* tree.h (tree_decl_non_common.vindex): Adjust comment.

2011-04-03  Michael Matz  <matz@suse.de>

	* cgraphbuild.c (record_reference): Canonicalize constructor values.
	* gimple-fold.c (canonicalize_constructor_val): Accept being called
	without function context.
	* cgraphunit.c (cgraph_finalize_compilation_unit): Clear
	current_function_decl and cfun.

2011-04-03  Michael Matz  <matz@suse.de>

	* tree.c (decl_init_priority_insert): Don't create entry for
	default priority.
	(decl_fini_priority_insert): Ditto.
	(fields_compatible_p, find_compatible_field): Remove.
	* tree.h (fields_compatible_p, find_compatible_field): Remove.
	* gimple.c (gimple_compare_field_offset): Adjust block comment.

2011-04-03  Eric Botcazou  <ebotcazou@adacore.com>

	* combine.c (try_combine): Remove useless local variable.

2011-04-03  Richard Guenther  <rguenther@suse.de>
	    Ira Rosen  <ira.rosen@linaro.org>

	* tree-if-conv.c (memrefs_read_or_written_unconditionally): Strip all
	non-variable offsets and compare the remaining bases of the two
	accesses instead of looking for exact same data-ref.

2011-04-02  Kai Tietz  <ktietz@redhat.com>

	PR target/48416
	* i386.c (ix86_function_arg_boundary): Fix printf formatter.

	* i386.c (ix86_is_msabi_thiscall): New helper function.
	(ix86_is_type_thiscall): New helper function.
	(ix86_comp_type_attributes): Handle thiscall for method-functions
	special.
	(init_cumulative_args): Likewise.
	(find_drap_reg): Likewise.
	(ix86_static_chain): Likewise.
	(x86_this_parameter): Likewise.
	(x86_output_mi_thunk): Likewise.

2011-04-01  Olivier Hainque  <hainque@adacore.com>
	    Nicolas Setton  <setton@adacore.com>
	    Eric Botcazou  <ebotcazou@adacore.com>

	* dwarf2out.c (dwarf_attr_name): Map DW_AT_GNAT_descriptive_type.
	(add_gnat_descriptive_type_attribute): New function.
	(gen_array_type_die): Call it.
	(gen_enumeration_type_die): Likewise.
	(gen_struct_or_union_type_die): Likewise.
	(modified_type_die): Likewise.
	* langhooks.h (lang_hooks_for_types): New descriptive_type hook.
	* langhooks-def.h (LANG_HOOKS_DESCRIPTIVE_TYPE): Default to NULL.
	(LANG_HOOKS_FOR_TYPES_INITIALIZER): Add LANG_HOOKS_DESCRIPTIVE_TYPE.

2011-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/48148
	* dwarf2out.c (resolve_addr): Don't call force_decl_die
	if DECL_EXTERNAL has non-NULL DECL_ABSTRACT_ORIGIN.

	Revert:
	2011-03-17  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/48148
	* lto-cgraph.c (input_overwrite_node): Clear the abstract
	origin for decls in other ltrans units.
	(input_varpool_node): Likewise.

2011-04-01  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/48335
	* expr.c (expand_assignment): Handle all possibilities
	if TO_RTX is CONCAT.
	* expmed.c (store_bit_field_1): Avoid trying to create invalid SUBREGs.
	(store_split_bit_field): If SUBREG_REG (op0) or
	op0 itself has smaller mode than word, return it
	for offset 0 and const0_rtx for out-of-bounds stores.
	If word is const0_rtx, skip it.

2011-04-01  Naveen H.S  <naveen.S@kpitcummins.com>

	* config/h8300/h8300.c (print_operand_address): Rename to...
	(h8300_print_operand_address): ...this. Make static. Adjust comments.
	Call h8300_print_operand and h8300_print_operand_address instead of
	print_operand and print_operand_address. Declare.
	(print_operand): Renake to...
	(h8300_print_operand): ...this. Make static. Adjust comments.
	Call h8300_print_operand instead of print_operand. Declare.
	(h8300_print_operand_punct_valid_p): Moved from h8300.h file.
	(h8300_register_move_cost): Likewise.
	(TARGET_PRINT_OPERAND_PUNCT_VALID_P, TARGET_PRINT_OPERAND
	TARGET_PRINT_OPERAND_ADDRESS, TARGET_REGISTER_MOVE_COST): Define.
	* config/h8300/h8300.h (PRINT_OPERAND_ADDRESS, PRINT_OPERAND
	PRINT_OPERAND_PUNCT_VALID_P, REGISTER_MOVE_COST): Delete.
	* config/h8300/h8300-protos.h (print_operand): Delete.
	(print_operand_address): Delete.

2011-04-01  Richard Henderson  <rth@redhat.com>

	PR 48400
	* dwarf2out.c (dwarf2out_source_line): Disable discriminators
	in strict mode before dwarf4.  Re-order tests to early out
	before switching sections.

2011-04-01  Nathan Froyd  <froydnj@codesourcery.com>

	* config/h8300/constraints.md: New file.
	* config/h8300/h8300.md: Include it.  Use satisfies_constraint_J,
	satisfies_constraint_L, and satisfies_constraint_N for peephole2s.
	(*tst_extzv_1_n, *tstsi_variable_bit_qi): Use satisfies_constraint_U.
	* config/h8300/predicates.md (bit_operand): Likewise.
	(incdec_operand): Use satisfies_constraint_M and
	satisfies_constraint_O.  Don't use C code block.
	* config/h8300/h8300-protos.h (h8300_reg_class_from_letter): Delete.
	* config/h8300/h8300.c (h8300_reg_class_from_letter): Delete.
	(compute_mov_length): Use satisfies_constraint_G.
	(fix_bit_operand): Use satisfies_constraint_U.
	* config/h8300/h8300.h (REG_CLASS_FROM_LETTER): Delete.
	(CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Delete.
	(CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O): Delete.
	(CONST_OK_FOR_Ppositive, CONST_OK_FOR_Pnegative): Delete.
	(CONST_OK_FOR_P, CONSTRAINT_LEN_FOR_P): Delete.
	(CONST_OK_FOR_CONSTRAINT_P, CONST_OK_FOR_LETTER_P): Delete.
	(CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
	(OK_FOR_Q, OK_FOR_R, OK_FOR_S, OK_FOR_T, OK_FOR_U, OK_FOR_WU): Delete.
	(OK_FOR_W, CONSTRAINT_LEN_FOR_W, OK_FOR_Y2, OK_FOR_Y0): Delete.
	(OK_FOR_Y, CONSTRAINT_LEN_FOR_Y, OK_FOR_Z): Delete.
	(EXTRA_CONSTRAINT_STR, CONSTRAINT_LEN): Delete.
	(EXTRA_MEMORY_CONSTRAINT): Delete.

2011-04-01  Andrew Pinski  <pinskia@gmail.com>
	    Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/48262
	* config/rs6000/vector.md (movmisalign<mode>): Allow for memory
	operands, as per the specifications.

	* config/rs6000/altivec.md (vec_extract_evenv4si): Correct modes.
	(vec_extract_evenv4sf): Ditto.
	(vec_extract_evenv8hi): Ditto.
	(vec_extract_evenv16qi): Ditto.
	(vec_extract_oddv4si): Ditto.

2011-03-31  Mark Wielaard  <mjw@redhat.com>

	* dwarf2out.c (dwarf2out_finish): Don't add low_pc and/or
	high_pc attribute if the CU has no associated code. Only output
	DW_AT_entry_pc for CU if not generating strict dwarf and
	dwarf_version < 4.

2011-04-01  Bernd Schmidt  <bernds@codesourcery.com>

	* dwarf2out.h (dwarf2out_frame_debug_init): Declare.
	* dwarf2out.c (dwarf2out_frame_debug_init): New function, broken
	out of ...
	(dwarf2out_frame_debug): ... here. Don't handle a NULL argument.
	* final.c (final_start_function): Call the new function rather
	than using a NULL argument for dwarf2out_frame_debug.

	* ifcvt.c (cond_exec_process_insns): Disallow converting a block
	that contains the prologue.

	* haifa-sched.c (queue_insn): New arg REASON.  All callers
	changed.  Print it in debugging output.

	* sched-ebb.c (schedule_ebbs): Honor the BB_DISABLE_SCHEDULE flag.

	* sched-ebb.c (begin_schedule_ready): Remove second argument.
	Split most of the code into...
	(begin_move_insn): ... here.  New function.
	(ebb_sched_info): Add a pointer to it.
	* haifa-sched.c (scheduled_insns): New static variable.
	(sched_extend_ready_list): Allocate it.
	(schedule_block): Use it to record the order of scheduled insns.
	Perform RTL changes to move insns only after all scheduling
	decisions have been made.
	* modulo-sched.c (sms_sched_haifa_sched_info): Add NULL entry for the
	begin_move_insn field.
	* sel-sched-ir.c (sched_sel_haifa_sched_info): Likewise.
	* sched-int.h (struct haifa_sched_info): Remove second argument
	from begin_schedule_ready hook.  Add new member begin_move_insn.
	* sched-rgn.c (begin_schedule_ready): Remove second argument.
	(rgn_const_sched_info): Add NULL entry for the begin_move_insn field.

	* haifa-sched.c (prune_ready_list): New function, broken out of
	schedule_block.
	(schedule_block): Use it.

2011-04-01  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/t-spu-elf (dp-bit.c): Use > instead of >>.

2011-04-01  Kai Tietz  <ktietz@redhat.com>

	* config.gcc (*-*-mingw*): Allow as option the
	posix threading model.
	* config/i386/mingw32.h ( SPEC_PTHREAD1,  SPEC_PTHREAD2):
	New macros defined dependent to TARGET_USE_PTHREAD_BY_DEFAULT
	definition.
	(CPP_SPEC): Add pthread/no-pthread handling.
	(LIB_SPEC): Likewise.
	* config/i386/mingw-w64.h (CPP_SPEC):Likewise.
	(LIB_SPEC): Likewise.
	* config/i386/t-cygming (SHLIB_PTHREAD_CFLAG): New
	flag to pass -pthread option for shared libgcc build.
	(SHLIB_PTHREAD_LDFLAG): New option to pass -lpthread
	for shared libgcc build.
	* config/i386/t-mingw-pthread: New file.
	* config/i386/mingw-pthread.h (TARGET_USE_PTHREAD_BY_DEFAULT):
	New define to enable use of library pthread by default.
	* config/i386/mingw.opt (pthread): New driver option.
	(no-pthread): New driver option.
	* config/i386/cygming.opt: Make sure trailing empty line is retained.
	* config/i386/mingw-w64.opt: Likewise.

2011-04-01  Gary Funck <gary@intrepid.com>

	* c-decl.c (grokdeclarator): Fix formatting.

2011-04-01  Richard Sandiford  <richard.sandiford@linaro.org>

	* expr.c (emit_block_move_via_movmem): Use n_generator_args
	instead of n_operands.
	(set_storage_via_setmem): Likewise.
	* optabs.c (maybe_gen_insn): Likewise.
	* config/arm/arm.c (arm_init_neon_builtins): Likewise.
	* config/mips/mips.c (mips_expand_builtin_compare_1): Likewise.
	(mips_expand_builtin_direct): Likewise.
	* config/spu/spu.c (expand_builtin_args): Likewise.

2011-04-01  Richard Sandiford  <richard.sandiford@linaro.org>

	* recog.h (insn_data_d): Add n_generator_args.
	* genoutput.c (data): Likewise.
	(output_insn_data): Print it.
	(max_opno, num_dups): Delete.
	(scan_operands): Just fill in "d->operand[...]".
	(gen_insn, gen_peephole, gen_expand, gen_split): Use get_pattern_stats.

2011-04-01  Richard Sandiford  <richard.sandiford@linaro.org>

	* gensupport.h (pattern_stats): New structure.
	* gensupport.c (get_pattern_stats_1, get_pattern_stats): New functions.
	* genemit.c (max_opno, max_dupno, max_scratch_opno): Delete.
	(max_operand_1, max_operand_vec): Delete.
	(gen_insn, gen_expand, gen_split): Use get_pattern_stats.

2011-03-31  Nathan Froyd  <froydnj@codesourcery.com>

	* emit-rtl.c (emit_pattern_after_setloc): New function.
	(emit_insn_after_setloc, emit_jump_insn_after_setloc): Call it.
	(emit_call_insn_after_setloc, emit_debug_insn_after_setloc): Likewise.
	(emit_pattern_after): New function.
	(emit_insn_after, emit_jump_insn_after): Call it.
	(emit_call_insn_after, emit_debug_insn_after): Likewise.
	(emit_pattern_before_setloc): New function.
	(emit_insn_before_setloc, emit_jump_insn_before_setloc): Call it.
	(emit_call_insn_before_setloc, emit_debug_insn_before_setloc):
	Likewise.
	(emit_pattern_before): New function.
	(emit_insn_before, emit_jump_insn_before): Call it.
	(emit_call_insn_before, emit_debug_insn_before): Likewise.

2011-03-31  Richard Henderson  <rth@redhat.com>

	* dwarf2out.c (dw_separate_line_info_ref): Remove.
	(dw_separate_line_info_entry): Remove.
	(enum dw_line_info_opcode): New.
	(dw_line_info_entry): Use it.
	(dw_line_info_table, dw_line_info_table_p): New.
	(DWARF_LINE_OPCODE_BASE): Include dwarf3 opcodes.
	(line_info_table, line_info_label_num): Remove.
	(line_info_table_in_use): Remove.
	(separate_line_info_table): Remove.
	(separate_line_info_table_allocated): Remove.
	(separate_line_info_table_in_use): Remove.
	(LINE_INFO_TABLE_INCREMENT): Remove.
	(line_info_label_num): New.
	(cur_line_info_table): New.
	(text_section_line_info, cold_text_section_line_info): New.
	(separate_line_info): New.
	(SEPARATE_LINE_CODE_LABEL): Remove.
	(print_dwarf_line_table): Remove.
	(debug_dwarf): Don't dump it.
	(output_one_line_info_table): New.
	(output_line_info): Use it.
	(new_line_info_table): New.
	(set_cur_line_info_table): New.
	(dwarf2out_switch_text_section): Use it.
	(dwarf2out_begin_function): Likewise.
	(push_dw_line_info_entry): New.
	(dwarf2out_source_line): Rewrite for new line info tables.
	(dwarf2out_init): Remove dead initailizations.

2011-03-31  Joseph Myers  <joseph@codesourcery.com>

	* opts.h (cl_option): Add comments to fields.  Add bit-fields for
	various flags.
	(CL_SEPARATE_NARGS_SHIFT, CL_SEPARATE_NARGS_MASK,
	CL_SEPARATE_ALIAS, CL_NO_DRIVER_ARG, CL_REJECT_DRIVER, CL_SAVE,
	CL_DISABLED, CL_REPOR, CL_REJECT_NEGATIVE, CL_MISSING_OK,
	CL_UINTEGER, CL_NEGATIVE_ALIAS): Remove.
	(CL_JOINED, CL_SEPARATE, CL_UNDOCUMENTED): Update bit positions.
	* opt-functions.awk (flag_init, switch_bit_fields): New.
	(switch_flags): Don't handle flags moved to bit-fields.  Don't
	generate CL_MISSING_OK or CL_SAVE.
	* optc-gen.awk: Update to generate bit-field output as well as
	flags field.
	* gcc.c (driver_wrong_lang_callback): Use cl_reject_driver
	bit-field instead of CL_REJECT_DRIVER flag.
	* opts-common.c (generate_canonical_option,
	decode_cmdline_option): Use bit-fields instead of CL_* flags.
	* opts.c (maybe_default_option): Use cl_reject_negative bit-field
	instead of CL_REJECT_NEGATIVE flag.
	* toplev.c (print_switch_values): Use cl_report bit-field instead
	of CL_REPORT flag.

2011-03-31  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-ssa-pre.c (create_component_ref_by_pieces_1) <ARRAY_REF>: Drop
	a zero minimum index only if it is redundant.

2011-03-31  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/48381
	* ira-color.c (assign_hard_reg): Use hard reg set intersection
	instead of ira_class_hard_reg_index for calculating conflicting
	hard registers.

2011-03-31  Steven Bosscher  <steven@gcc.gnu.org>

	* cprop.c: Clean up hash table building.
	(reg_avail_info): Remove.
	(oprs_available_p): Remove.
	(record_last_reg_set_info): Remove.
	(record_last_set_info): Remove.
	(reg_available_p): New function.
	(gcse_constant_p): Do not treat unfolded conditions as constants.
	(make_set_regs_unavailable): New function.
	(hash_scan_set): Simplify with new reg_available_p.
	(compute_hash_table_work): Traverse insns stream only once.
	Do not compute reg_avail_info. Traverse insns in reverse order.
	Record implicit sets after recording explicit sets from the block.

2011-03-31  Michael Matz  <matz@suse.de>

	* builtins.c (build_va_arg_indirect_ref): Use build_simple_mem_ref_loc.

2011-03-31  Anatoly Sokolov  <aesok@post.ru>

	* config/h8300/h8300.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove macro.
	* config/h8300/h8300-protos.h (h8300_get_index): Remove.
	* config/h8300/h8300.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
	(h8300_mode_dependent_address_p): New function.
	(h8300_get_index): Make static.

2011-03-31  Jeff Law  <law@redhat.com>

	* reload1.c (elimination_effects): Fix typo in recent change.

	* tree-ssa-forwprop.c (forward_propagate_into_cond): Avoid
	typo potentially leading to null pointer dereference.

	* caller-save.c (new_saved_hard_reg): Eliminate return value.
	(setup_save_areas): Corresponding changes to avoid useless
	assignments.

	* jump.c (reversed_comparison_code_parts): Avoid successive return
	statements when REVERSE_CONDITION is defined.

	* expr.c (expand_assignment): Avoid useless assignments.
	(expand_expr_real_1): Likewise.
	(expand_expr_real_2): Avoid useless statements.

	* tree-ssa-phiopt.c (minmax_replacement): Avoid useless statement.

	* cfgexpand.c (expand_gimple_basic_block): Avoid useless assignment.

	* tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Avoid useless
	statements.

	* stmt.c (expand_expr_stmt): Avoid useless assignment.

2011-03-31  Joseph Myers  <joseph@codesourcery.com>

	PR target/47109
	* doc/tm.texi.in (TARGET_VERSION): Remove.
	* doc/tm.texi: Regenerate.
	* system.h (TARGET_VERSION, MACHINE_TYPE): Poison.
	* collect2.c (main): Don't use TARGET_VERSION.
	* mips-tdump.c (main): Don't use TARGET_VERSION.
	* mips-tfile.c (main): Don't use TARGET_VERSION.
	* config.gcc (powerpc-wrs-vxworksae): Don't use rs6000/vxworksae.h.
	* config/rs6000/vxworksae.h: Remove.
	* config/alpha/alpha.h (TARGET_VERSION): Remove.
	* config/alpha/freebsd.h (TARGET_VERSION): Remove.
	* config/alpha/linux-elf.h (TARGET_VERSION): Remove.
	* config/alpha/netbsd.h (TARGET_VERSION): Remove.
	* config/alpha/vms.h (TARGET_NAME, TARGET_VERSION): Remove.
	* config/arm/arm.h (TARGET_VERSION): Remove.
	* config/arm/coff.h (TARGET_VERSION): Remove.
	* config/arm/ecos-elf.h (TARGET_VERSION): Remove.
	* config/arm/elf.h (TARGET_VERSION): Remove.
	* config/arm/freebsd.h (TARGET_VERSION): Remove.
	* config/arm/linux-elf.h (TARGET_VERSION): Remove.
	* config/arm/netbsd-elf.h (TARGET_VERSION): Remove.
	* config/arm/pe.h (TARGET_VERSION): Remove.
	* config/arm/rtems-elf.h (TARGET_VERSION): Remove.
	* config/arm/semi.h (TARGET_VERSION): Remove.
	* config/arm/uclinux-elf.h (TARGET_VERSION): Remove.
	* config/arm/unknown-elf.h (TARGET_VERSION): Remove.
	* config/arm/vxworks.h (TARGET_VERSION): Remove.
	* config/avr/avr.h (TARGET_VERSION): Remove.
	* config/bfin/bfin.h (TARGET_VERSION): Remove.
	* config/fr30/fr30.h (TARGET_VERSION): Remove.
	* config/frv/frv.h (TARGET_VERSION): Remove.
	* config/h8300/h8300.h (TARGET_VERSION): Remove.
	* config/i386/cygwin.h (TARGET_VERSION): Remove.
	* config/i386/darwin.h (TARGET_VERSION): Remove.
	* config/i386/darwin64.h (TARGET_VERSION): Remove.
	* config/i386/djgpp.h (TARGET_VERSION): Remove.
	* config/i386/freebsd.h (TARGET_VERSION): Remove.
	* config/i386/freebsd64.h (TARGET_VERSION): Remove.
	* config/i386/gnu.h (TARGET_VERSION): Remove.
	* config/i386/i386-interix.h (TARGET_VERSION): Remove.
	* config/i386/i386elf.h (TARGET_VERSION): Remove.
	* config/i386/linux.h (TARGET_VERSION): Remove.
	* config/i386/linux64.h (TARGET_VERSION): Remove.
	* config/i386/lynx.h (TARGET_VERSION): Remove.
	* config/i386/mingw32.h (TARGET_VERSION): Remove.
	* config/i386/netbsd-elf.h (TARGET_VERSION): Remove.
	* config/i386/netbsd64.h (TARGET_VERSION): Remove.
	* config/i386/netware.h (TARGET_VERSION): Remove.
	* config/i386/nto.h (TARGET_VERSION): Remove.
	* config/i386/openbsd.h (TARGET_VERSION): Remove.
	* config/i386/vxworks.h (TARGET_VERSION): Remove.
	* config/ia64/elf.h (TARGET_VERSION): Remove.
	* config/ia64/freebsd.h (TARGET_VERSION): Remove.
	* config/ia64/hpux.h (TARGET_VERSION): Remove.
	* config/ia64/linux.h (TARGET_VERSION): Remove.
	* config/ia64/vms.h (TARGET_NAME, TARGET_VERSION): Remove.
	* config/iq2000/iq2000.h (IQ2000_VERSION, MACHINE_TYPE,
	TARGET_VERSION_INTERNAL, TARGET_VERSION): Remove.
	* config/lm32/lm32.h (TARGET_VERSION): Remove.
	* config/lm32/uclinux-elf.h (TARGET_VERSION): Remove.
	* config/m32c/m32c.h (TARGET_VERSION): Remove.
	* config/m32r/linux.h (LINUX_DEFAULT_ELF, TARGET_VERSION): Remove.
	* config/m32r/m32r.h (TARGET_VERSION): Remove.
	* config/m68k/linux.h (TARGET_VERSION): Remove.
	* config/m68k/m68k.h (TARGET_VERSION): Remove.
	* config/m68k/netbsd-elf.h (TARGET_VERSION): Remove.
	* config/m68k/uclinux.h (TARGET_VERSION): Remove.
	* config/mcore/mcore-elf.h (TARGET_VERSION): Remove.
	* config/mep/mep.h (TARGET_VERSION): Remove.
	* config/microblaze/microblaze.h (MICROBLAZE_VERSION,
	MACHINE_TYPE, TARGET_VERSION_INTERNAL, TARGET_VERSION): Remove.
	* config/mips/iris6.h (MACHINE_TYPE): Remove.
	* config/mips/linux.h (TARGET_VERSION): Remove.
	* config/mips/netbsd.h (MACHINE_TYPE): Remove.
	* config/mips/vxworks.h (TARGET_VERSION): Remove.
	* config/mmix/mmix.h (TARGET_VERSION): Remove.
	* config/mn10300/linux.h (TARGET_VERSION): Remove.
	* config/mn10300/mn10300.h (TARGET_VERSION): Remove.
	* config/pa/pa.h (TARGET_VERSION): Remove.
	* config/pdp11/pdp11.h (TARGET_VERSION): Remove.
	* config/picochip/picochip.h (TARGET_VERSION): Remove.
	* config/rs6000/aix.h (TARGET_VERSION): Remove.
	* config/rs6000/darwin.h (TARGET_VERSION): Remove.
	* config/rs6000/darwin64.h (TARGET_VERSION): Remove.
	* config/rs6000/eabi.h (TARGET_VERSION): Remove.
	* config/rs6000/eabialtivec.h (TARGET_VERSION): Remove.
	* config/rs6000/eabisim.h (TARGET_VERSION): Remove.
	* config/rs6000/eabispe.h (TARGET_VERSION): Remove.
	* config/rs6000/freebsd.h (TARGET_VERSION): Remove.
	* config/rs6000/linux.h (TARGET_VERSION): Remove.
	* config/rs6000/linux64.h (TARGET_VERSION): Remove.
	* config/rs6000/linuxaltivec.h (TARGET_VERSION): Remove.
	* config/rs6000/linuxspe.h (TARGET_VERSION): Remove.
	* config/rs6000/lynx.h (TARGET_VERSION): Remove.
	* config/rs6000/netbsd.h (TARGET_VERSION): Remove.
	* config/rs6000/sysv4.h (TARGET_VERSION): Remove.
	* config/rs6000/vxworks.h (TARGET_VERSION): Remove.
	* config/s390/linux.h (TARGET_VERSION): Remove.
	* config/s390/s390.h (TARGET_VERSION): Remove.
	* config/s390/tpf.h (TARGET_VERSION): Remove.
	* config/score/score.h (TARGET_VERSION): Remove.
	* config/sh/linux.h (TARGET_VERSION): Remove.
	* config/sh/netbsd-elf.h (TARGET_VERSION_ENDIAN,
	TARGET_VERSION_CPU, TARGET_VERSION): Remove.
	* config/sh/sh.h (TARGET_VERSION): Remove.
	* config/sh/sh64.h (TARGET_VERSION): Remove.
	* config/sh/superh.h (TARGET_VERSION): Remove.
	* config/sh/vxworks.h (TARGET_VERSION): Remove.
	* config/sparc/freebsd.h (TARGET_VERSION): Remove.
	* config/sparc/linux.h (TARGET_VERSION): Remove.
	* config/sparc/linux64.h (TARGET_VERSION): Remove.
	* config/sparc/netbsd-elf.h (TARGET_VERSION, TARGET_NAME64,
	TARGET_NAME32, TARGET_NAME): Remove.
	* config/sparc/openbsd64.h (TARGET_VERSION): Remove.
	* config/sparc/sp-elf.h (TARGET_VERSION): Remove.
	* config/sparc/sp64-elf.h (TARGET_VERSION): Remove.
	* config/sparc/sysv4.h (TARGET_VERSION): Remove.
	* config/sparc/vxworks.h (TARGET_VERSION): Remove.
	* config/spu/spu.h (TARGET_VERSION): Remove.
	* config/stormy16/stormy16.h (TARGET_VERSION): Remove.
	* config/v850/v850.h (TARGET_VERSION): Remove.
	* config/vax/linux.h (TARGET_VERSION): Remove.
	* config/vax/vax.h (TARGET_NAME, TARGET_VERSION): Remove.
	* config/xtensa/elf.h (TARGET_VERSION): Remove.
	* config/xtensa/linux.h (TARGET_VERSION): Remove.

2011-03-31  Eric Botcazou  <ebotcazou@adacore.com>

	PR target/48142
	* config/i386/i386.c (ix86_adjust_stack_and_probe): Differentiate
	frame-related from frame-unrelated adjustments to the stack pointer.

2011-03-31  Jakub Jelinek  <jakub@redhat.com>

	* common.opt (fdebug-types-section): Move earlier.
	* doc/invoke.texi: Fix up -fno-debug-types-section documentation.

2011-03-31  Andreas Tobler  <andreast@fgznet.ch>

	* config/rs6000/rs6000.c (rs6000_handle_option): Remove unused isel
	var.

2011-03-30  Nathan Froyd  <froydnj@codesourcery.com>

	* tree.h (CASE_CHAIN): Define.
	* tree-cfg.c (edge_to_cases_cleanup, get_cases_for_edge): Use it.
	(gimple_redirect_edge_and_branch): Likewise.

2011-03-30  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/48367
	* ira-costs.c (find_costs_and_classes): Fix a typo in i_mem_cost
	calculation.

2011-03-30  Jeff Law  <law@redhat.com>

	* PR bootstrap/48371
	* reload1.c (reload): Fix botch in last change.

	* reload.h (struct reload): Fix typo introduced in last change.

2011-03-30  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.opt (mhard-float, msoft-float): Mark
	Undocumented.  Remove help text.
	* doc/invoke.texi (ARM Options): Don't document -msoft-float and
	-mhard-float.

2011-03-30  Joseph Myers  <joseph@codesourcery.com>

	* doc/options.texi (NegativeAlias): Document.
	(Alias): Mention NegativeAlias.
	* opt-functions.awk: Handle NegativeAlias.
	* optc-gen.awk: Disallow NegativeAlias with multiple Alias arguments.
	* opts-common.c (decode_cmdline_option): Handle CL_NEGATIVE_ALIAS.
	* opts.h (CL_NEGATIVE_ALIAS): Define.
	* config/rs6000/rs6000.c (rs6000_parse_yes_no_option): Remove.
	(rs6000_handle_option): Don't handle OPT_mvrsave_, OPT_misel_ and
	OPT_mspe_.
	* config/rs6000/rs6000.opt (mvrsave=, misel=, mspe=): Replace with
	Alias entries.
	* config/rs6000/t-spe (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Use
	mno-spe and mno-isel instead of mspe=no and -misel=no.

2011-03-29  Mark Wielaard  <mjw@redhat.com>

	* common.opt (fdebug-types-section): New flag.
	* doc/invoke.texi: Document new -fno-debug-types-section flag.
	* dwarf2out.c (use_debug_types): New define.
	(struct die_struct): Mark die_id with GTY desc use_debug_types.
	(print_die): Guard output of type unit signatures using
	use_debug_types.
	(build_abbrev_table): Replace assert of dwarf_version >= 4
	with assert on use_debug_types.
	(size_of_die): Likewise.
	(unmark_dies): Likewise.
	(value_format): Decide AT_ref_external form on use_debug_types.
	(output_die): Replace dwarf_version version check guard with
	use_debug_types where appropriate.
	(modified_type_die): Likewise.
	(gen_reference_type_die): Likewise.
	(dwarf2out_start_source_file): Likewise.
	(dwarf2out_end_source_file): Likewise.
	(prune_unused_types_walk_attribs): Likewise.
	(dwarf2out_finish): Likewise.

2011-03-30  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-color.c (ira_assign_hard_reg): Use only one variable 'mode'.

2011-03-30  Richard Sandiford  <richard.sandiford@linaro.org>

	PR rtl-optimization/48332
	* optabs.c (expand_binop_directly): Set xmodeN to the target-mandated
	mode of input operand N and modeN to its actual mode.

2011-03-30  Jeff Law  <law@redhat.com>

	* reload.h (reg_equiv_constant): Move into new structure reg_equivs,
	define accessor macro.
	(reg_equiv_invariant, reg_equiv_memory_loc): Likewise.
	(reg_equiv_address, reg_equiv_mem, reg_equiv_alt_mem_list): Likewise.
	(reg_equiv_init): Likewise.
	(reg_equivs_size): New variable.
	(reg_equiv_init_size): Remove.
	(allocate_initial_values): Move prototype to here from....
	* integrate.h (allocate_initial_values): Remove prototype.
	* integrate.c: Include reload.h.
	(allocate_initial_values): Corresponding changes.
	* ira.c (find_reg_equiv_invariant_cost): Corresponding changes.
	(fix_reg_equiv_init, no_equiv): Corresponding changes.
	(update_equiv_regs): Corresponding changes.
	(ira): Corresponding changes.
	* reload.c (push_reg_equiv_alt_mem): Corresponding changes.
	(push_secondary_reload): Corresponding changes.
	(push_reload, find_reloads, find_reloads_toplev): Corresponding changes.
	(make_memloc, find_reloads_address): Corresponding changes.
	(subst_reg_equivs, subst_indexed_address): Corresponding changes.
	(find_reloads_address_1): Corresponding changes.
	(find_reloads_subreg_address, subst_reloads): Corresponding changes.
	(refers_to_regno_for_reload_p): Corresponding changes.
	(reg_overlap_mentioned_for_reload_p): Corresponding changes.
	(refers_to_mem_for_reload_p, find_equiv_reg): Corresponding changes.
	* reload1.c: Include ggc.h.
	(grow_reg_equivs): New function.
	(replace_pseudos_in, reload): Corresponding changes.
	(calculate_needs_all_insns, alter_regs): Corresponding changes.
	(eliminate_regs_1, elimination_effects): Corresponding changes.
	(emit_input_reload_insns, emit_output_reload_insns): Likewise.
	(delete_output_reload): Likewise.
	* caller-save.c (mark_referenced_regs): Corresponding changes.
	* alpha/alpha.c (resolve_reload_operand): Corresponding changes.
	* frv/predicates.md (frv_load_operand): Corresponding changes.
	* microblaze/microblaze.c (double_memory_operand): Corresponding
	changes.
	* avr/avr.h (LEGITIMIZE_RELOAD_ADDRESS): Corresponding changes.
	* xtensa/xtensa.c (fixup_subreg_mem): Corresponding changes.
	* mn10300/mn10300.c (mn10300_secondary_reload): Corresponding changes.
	* m68k/m68k.c (emit_move_sequence): Corresponding changes.
	* arm/arm.c (arm_reload_in_hi, arm_reload_out_hi): Corresponding
	changes.
	* pa/pa.c (emit_move_sequence): Corresponding changes.
	* vax/vax.c (nonindexed_address_p): Corresponding changes.

2011-03-30  Richard Sandiford  <richard.sandiford@linaro.org>

	PR target/47551
	* config/arm/arm.c (coproc_secondary_reload_class): Handle
	structure modes.  Don't check neon_vector_mem_operand for
	vector or structure modes.

2011-03-30  Richard Sandiford  <richard.sandiford@linaro.org>
	    Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	PR target/43590
	* config/arm/neon.md (neon_vld3qa<mode>, neon_vld4qa<mode>): Remove
	operand 1 and reshuffle the operands to match.
	(neon_vld3<mode>, neon_vld4<mode>): Update accordingly.

2011-03-30  Christian Schüler  <cschueler@gmx.de>

	PR driver/48208
	* config/c.opt (F): Added 'Driver' to -F option.

	PR driver/48260
	* config/darwin-driver.c (darwin_driver_init): Add '-arch' to
	  handler function.
	* config/darwin.opt: Added '-arch' option.

2011-03-30  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.md: Add peepholes and patterns to combine
	extending loads and simple arithmetic instructions.
	* config/rx/rx.h (ADJUST_INSN_LENGTH): Define.
	* config/rx/rx-protos.h (rx_adjust_insn_length): Prototype.
	* config/rx/rx.c (rx_is_legitimate_address): Allow QI and HI
	modes to use pre-decrement and post-increment addressing.
	(rx_is_restricted_memory_address): Add range checking of REG+INT
	addresses.
	(rx_print_operand): Add support for %Q.  Fix handling of %Q.
	(rx_memory_move_cost): Adjust cost of stores.
	(rx_adjust_insn_length): New function.

2011-03-30  Jakub Jelinek  <jakub@redhat.com>

	PR c/48305
	* fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Make sure
	arg10/arg11 in (X ^ Y) == (Z ^ W) are always fold converted to
	matching arg00/arg01 types.

2011-03-30  Eric Botcazou  <ebotcazou@adacore.com>

	* cfglayout.c (insn_locators_alloc): Initialize curr_location and
	last_location to UNKNOWN_LOCATION.

2011-03-30  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/48349
	* config/i386/i386.h (REG_CLASS_CONTENTS): Fix a typo in
	FLOAT_SSE_REGS.

2011-03-30  Joseph Myers  <joseph@codesourcery.com>
	    Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR bootstrap/48337
	* config/sparc/sparc.opt (sparc_cpu_and_features): Add
	Init(PROCESSOR_V7).
	(sparc_cpu): Likewise.
	* config/sparc/sparc.c (sparc_option_override): Replace 0 by
	PROCESSOR_V7.

2011-03-29  Vladimir Makarov  <vmakarov@redhat.com>

	PR target/48336
	PR middle-end/48342
	PR rtl-optimization/48345
	* ira-color.c (setup_conflict_profitable_regs): Exclude prohibited
	hard regs for given mode from profitable regs when doing secondary
	allocation.

2011-03-29  Jeff Law  <law@redhat.com>

	PR bootstrap/48327
	* tree-ssa-threadupdate.c (struct redirection_data): Remove
	do_not_duplicate field.
	(lookup_redirection_data): Corresponding changes.
	(create_duplicates): Always create a template block.
	(redirect_edges): Remove code which reused the original block
	when it was going to become unreachable code.
	(thread_block): Don't set do_not_duplicate field.

2011-03-29  Joseph Myers  <joseph@codesourcery.com>

	* lto-opts.c (register_user_option_p, lto_register_user_option):
	Make type argument unsigned.
	* lto-streamer.h (lto_register_user_option): Make type argument
	unsigned.
	* opth-gen.awk: Make CL_* macros unsigned.
	* opts-common.c (find_opt): Make lang_mask argument unsigned.
	* opts.h (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_DRIVER,
	CL_TARGET, CL_COMMON, CL_SEPARATE_NARGS_MASK, CL_SEPARATE_ALIAS,
	CL_NO_DRIVER_ARG, CL_REJECT_DRIVER, CL_SAVE, CL_DISABLED,
	CL_REPORT, CL_JOINED, CL_SEPARATE, CL_REJECT_NEGATIVE,
	CL_MISSING_OK, CL_UINTEGER, CL_UNDOCUMENTED): Make unsigned.
	(find_opt): Make lang_mask argument unsigned.

2011-03-29  Vladimir Makarov  <vmakarov@redhat.com>

	PR rtl-optimization/48331
	PR rtl-optimization/48334
	* ira-color.c (color_allocnos): Call setup_profitable_hard_regs
	for any used algorithm.

2011-03-29  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-conflicts.c (build_object_conflicts): Add unused attribute
	to parent_max.

2011-03-29  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.c (alpha_sr_alias_set): Don't define.
	(alpha_option_override): Don't set alpha_sr_alias_set.
	(emit_frame_store_1): Use gen_frame_mem rather than calling
	set_mem_alias_set.
	(alpha_expand_epilogue): Ditto.

2011-03-29  Ira Rosen  <ira.rosen@linaro.org>

	PR tree-optimization/48290
	* tree-vect-loop.c (vect_analyze_loop_operations): In outer loop
	vectorization, check that relevant phis in the basic block after
	the inner loop are really inner loop's exit phis.

2011-03-29  Richard Sandiford  <richard.sandiford@linaro.org>

	PR debug/48190
	* dwarf2out.c (dw_loc_list_node): Add resolved_addr and replaced.
	(cached_dw_loc_list_def): New structure.
	(cached_dw_loc_list): New typedef.
	(cached_dw_loc_list_table): New variable.
	(cached_dw_loc_list_table_hash): New function.
	(cached_dw_loc_list_table_eq): Likewise.
	(add_location_or_const_value_attribute): Take a bool cache_p.
	Cache the list when the parameter is true.
	(gen_formal_parameter_die): Update caller.
	(gen_variable_die): Likewise.
	(dwarf2out_finish): Likewise.
	(dwarf2out_abstract_function): Nullify cached_dw_loc_list_table
	while generating debug info for the decl.
	(dwarf2out_function_decl): Clear cached_dw_loc_list_table.
	(dwarf2out_init): Initialize cached_dw_loc_list_table.
	(resolve_addr): Cache the result of resolving a chain of
	location lists.

2011-03-28  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-color.c (update_left_conflict_sizes_p): Don't assume that
	conflict object hard regset nodes have intersecting hard reg sets.

	* regmove.c (regmove_optimize): Move ira_set_pseudo_classes call
	after regstat_init_n_sets_and_refs.

	* ira.c: Add more comments at the top.
	(setup_stack_reg_pressure_class, setup_pressure_classes):
	Add comments how we compute the register pressure classes.
	(setup_allocno_and_important_classes): Add more comments.
	(setup_class_translate_array, reorder_important_classes)
	(setup_reg_class_relations): Add comments.

	* ira-emit.c: Add 2011 to the Copyright line.  Add comments at the
	start of the file.

	* ira-color.c: Add 2011 to the Copyright line.
	(assign_hard_reg):  Add more comments.
	(improve_allocation): Ditto.

	* ira-costs.c: Add 2011 to the Copyright line.
	(setup_cost_classes, setup_regno_cost_classes_by_aclass): Add more
	comments.
	(setup_regno_cost_classes_by_mode): Ditto.

	Initial patches from ira-improv branch:

	2010-08-13  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-build.c: (ira_create_object): Remove initialization of
	OBJECT_PROFITABLE_HARD_REGS.  Initialize OBJECT_ADD_DATA.
	(ira_create_allocno): Remove initialization of
	ALLOCNO_MEM_OPTIMIZED_DEST, ALLOCNO_MEM_OPTIMIZED_DEST_P,
	ALLOCNO_SOMEWHERE_RENAMED_P, ALLOCNO_CHILD_RENAMED_P,
	ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
	ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO,
	ALLOCNO_FIRST_COALESCED_ALLOCNO, ALLOCNO_NEXT_COALESCED_ALLOCNO.
	Initialize ALLOCNO_ADD_DATA.
	(copy_info_to_removed_store_destinations): Use ALLOCNO_EMIT_DATA
	and allocno_emit_reg instead of ALLOCNO_MEM_OPTIMIZED_DEST_P and
	ALLOCNO_REG.
	(ira_flattening): Ditto.  Use ALLOCNO_EMIT_DATA instead of
	ALLOCNO_MEM_OPTIMIZED_DEST and ALLOCNO_SOMEWHERE_RENAMED_P.

	* ira.c (ira_reallocate): Remove.
	(setup_pressure_classes): Call
	ira_init_register_move_cost_if_necessary.  Use
	ira_register_move_cost instead of ira_get_register_move_cost.
	(setup_allocno_assignment_flags): Use ALLOCNO_EMIT_DATA.
	(ira): Call ira_initiate_emit_data and ira_finish_emit_data.

	* ira-color.c: Use ALLOCNO_COLOR_DATA instead of
	ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P, ALLOCNO_COLORABLE_P,
	ALLOCNO_AVAILABLE_REGS_NUM, ALLOCNO_NEXT_BUCKET_ALLOCNO,
	ALLOCNO_PREV_BUCKET_ALLOCNO. ALLOCNO_TEMP. Use OBJECT_COLOR_DATA
	instead of OBJECT_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE,
	OBJECT_HARD_REGS_SUBNODES_START, OBJECT_HARD_REGS_SUBNODES_NUM.
	Fix formatting.
	(object_hard_regs_t, object_hard_regs_node_t): Move from ira-int.h.
	(struct object_hard_regs, struct object_hard_regs_node): Ditto.
	(struct allocno_color_data): New.
	(allocno_color_data_t): New typedef.
	(allocno_color_data): New definition.
	(ALLOCNO_COLOR_DATA): New macro.
	(struct object_color_data): New.
	(object_color_data_t): New typedef.
	(object_color_data): New definition.
	(OBJECT_COLOR_DATA): New macro.
	(update_copy_costs, calculate_allocno_spill_cost): Call
	ira_init_register_move_cost_if_necessary.  Use
	ira_register_move_cost instead of ira_get_register_move_cost.
	(move_spill_restore, update_curr_costs): Ditto.
	(allocno_spill_priority): Make it inline.
	(color_pass): Allocate and free allocno_color_dat and object_color_data.
	(struct coalesce_data, coalesce_data_t): New.
	(allocno_coalesce_data): New definition.
	(ALLOCNO_COALESCE_DATA): New macro.
	(merge_allocnos, coalesced_allocno_conflict_p): Use
	ALLOCNO_COALESCED_DATA instead of ALLOCNO_FIRST_COALESCED_ALLOCNO,
	ALLOCNO_NEXT_COALESCED_ALLOCNO, ALLOCNO_TEMP.
	(coalesce_allocnos): Ditto.
	(setup_coalesced_allocno_costs_and_nums): Ditto.
	(collect_spilled_coalesced_allocnos): Ditto.
	(slot_coalesced_allocno_live_ranges_intersect_p): Ditto.
	(setup_slot_coalesced_allocno_live_ranges): Ditto.
	(coalesce_spill_slots): Ditto.
	(ira_sort_regnos_for_alter_reg): Ditto.  Allocate, initialize and
	free allocno_coalesce_data.

	* ira-conflicts.c: Fix formatting.
	(process_regs_for_copy): Call
	ira_init_register_move_cost_if_necessary.  Use
	ira_register_move_cost instead of ira_get_register_move_cost.
	(build_object_conflicts): Optimize.

	* ira-costs.c (record_reg_classes): Optimize.  Call
	ira_init_register_move_cost_if_necessary.  Use
	ira_register_move_cost, ira_may_move_in_cost, and
	ira_may_move_out_cost instead of ira_get_register_move_cost and
	ira_get_may_move_cost.
	(record_address_regs): Ditto.
	(scan_one_insn): Optimize.
	(find_costs_and_classes): Optimize.
	(process_bb_node_for_hard_reg_moves): Call
	ira_init_register_move_cost_if_necessary.  Use
	ira_register_move_cost instead of ira_get_register_move_cost.

	* ira-emit.c: Use allocno_emit_reg, ALLOCNO_EMIT_DATA instead of
	ALLOCNO_REG, ALLOCNO_CHILD_RENAMED_P, ALLOCNO_MEM_OPTIMIZED_DEST,
	ALLOCNO_MEM_OPTIMIZED_DEST_P, and ALLOCNO_SOMEWHERE_RENAMED_P.
	(ira_allocno_emit_data, void_p, new_allocno_emit_data_vec): New
	definitions.
	(ira_initiate_emit_data, ira_finish_emit_data)
	(create_new_allocno): New functions.
	(modify_move_list): Call create_new_alloc instead of ira_create_allocno.
	(emit_move_list): Call ira_init_register_move_cost_if_necessary.
	Use ira_register_move_cost instead of ira_get_register_move_cost.

	* ira-int.h: Fix some comments.
	(object_hard_regs_t, object_hard_regs_node_t): Move to ira-color.c.
	(struct object_hard_regs, struct object_hard_regs_node): Ditto.
	(struct ira_object): Remove profitable_hard_regs, hard_regs_node,
	hard_regs_subnodes_start, hard_regs_subnodes_num.  Add new member
	add_data.
	(struct ira_allocno): Make mode and aclass a bitfield.  Move other
	bitfield after mode.  Make hard_regno a short int.  Make
	hard_regno short.  Remove first_coalesced_allocno and
	next_coalesced_allocno.  Move mem_optimized_dest_p,
	somewhere_renamed_p, child_renamed_p, reg, and mem_optimized_dest
	into struct ira_emit_data.  Remove in_graph_p, may_be_spilled_p,
	available_regs_num, next_bucket_allocno, prev_bucket_allocno,
	temp, colorable_p.  Add new member add_data.
	(ALLOCNO_IN_GRAPH_P, ALLOCNO_MAY_BE_SPILLED_P): Remove.
	(ALLOCNO_COLORABLE_P, ALLOCNO_AVAILABLE_REGS_NUM): Remove.
	(ALLOCNO_NEXT_BUCKET_ALLOCNO, ALLOCNO_PREV_BUCKET_ALLOCNO): Remove.
	(ALLOCNO_TEMP, ALLOCNO_FIRST_COALESCED_ALLOCNO): Remove.
	(ALLOCNO_NEXT_COALESCED_ALLOCNO): Remove.
	(ALLOCNO_ADD_DATA): New macro.
	(ira_emit_data_t): New typedef.
	(struct ira_emit_data): New.  Move mem_optimized_dest_p,
	somewhere_renamed_p, child_renamed_p, reg, mem_optimized_dest
	from struct ira_allocno.
	(ALLOCNO_EMIT_DATA): New macro.
	(ira_allocno_emit_data, allocno_emit_reg): New.
	(ALLOCNO_PROFITABLE_HARD_REGS, OBJECT_HARD_REGS_NODE): Remove.
	(OBJECT_HARD_REGS_SUBNODES_STAR, OBJECT_HARD_REGS_SUBNODES_NUM): Remove.
	(OBJECT_ADD_DATA): New macro.
	(ira_reallocate): Remove.
	(ira_initiate_emit_data, ira_finish_emit_data): New.
	(ira_get_register_move_cost, ira_get_may_move_cost): Remove.
	(ira_init_register_move_cost_if_necessary): New.
	(ira_object_conflict_iter_next): Merge into
	ira_object_conflict_iter_cond.
	(FOR_EACH_OBJECT_CONFLICT): Don't use ira_object_conflict_iter_next.

	* ira-live.c: (process_single_reg_class_operands): Call
	ira_init_register_move_cost_if_necessary.  Use
	ira_register_move_cost instead of ira_get_register_move_cost.

	2010-08-13  Vladimir Makarov  <vmakarov@redhat.com>

	* ira-int.h (struct target_ira_int): Remove x_cost_classes.

	* ira-costs.c: Fix formatting.
	(cost_classes, cost_classes_num): Remove.
	(struct cost_classes, cost_classes_t, const_cost_classes_t): New.
	(regno_cost_classes, cost_classes_hash, cost_classes_eq): New.
	(cost_classes_del, cost_classes_htab): New.
	(cost_classes_aclass_cache, cost_classes_mode_cache): New.
	(initiate_regno_cost_classes, setup_cost_classes): New.
	(setup_regno_cost_classes_by_aclass): New.
	(setup_regno_cost_classes_by_mode, finish_regno_cost_classes): New.
	(record_reg_classes): Use regno_cost_classes instead of
	cost_classes.  Move checking opposite operand up.
	(record_address_regs): Use regno_cost_classes
	instead of cost_classes.
	(scan_one_insn): Ditto.  Use always general register.
	(print_allocno_costs): Use regno_cost_classes instead of
	cost_classes.
	(print_pseudo_costs): Ditto.  Use Reg_N_REFS.
	(find_costs_and_classes): Set up cost classes for each registers.
	Use also their mode for this.  Use regno_cost_classes instead of
	cost_classes.
	(setup_allocno_class_and_costs): Use regno_cost_classes instead of
	cost_classes.
	(free_ira_costs, ira_init_costs): Don't use cost_classes.
	(ira_costs, ira_set_pseudo_classes): Call
	initiate_regno_cost_classes and finish_regno_cost_classes.

	2010-10-04  Vladimir Makarov  <vmakarov@redhat.com>

	* target-def.h (TARGET_IRA_COVER_CLASSES): Remove.

	* target.def (ira_cover_classes): Remove.

	* doc/tm.texi: Remove TARGET_IRA_COVER_CLASSES and IRA_COVER_CLASSES.

	* doc/tm.texi.in: Ditto.

	* ira-conflicts.c: Remove mentioning cover classes from the file.
	Use ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS.  Use
	ALLOCNO_COVER_CLASS_COST instead of ALLOCNO_CLASS_COST.  Fix formatting.

	* targhooks.c (default_ira_cover_classes): Remove.

	* targhooks.h (default_ira_cover_classes): Ditto.

	* haifa-sched.c: Remove mentioning cover classes from the file.
	Use ira_reg_pressure_cover instead of ira_reg_class_cover.  Use
	ira_pressure_classes and ira_pressure_classes_num instead of
	ira_reg_class_cover_size and ira_reg_class_cover.  Use
	sched_regno_pressure_class instead of sched_regno_cover_class.
	(mark_regno_birth_or_death, setup_insn_reg_pressure_info): Use
	ira_reg_class_max_nregs instead of ira_reg_class_nregs.

	* ira-int.h: Add 2010 to Copyright.  Remove mentioning cover
	classes from the file.
	(object_hard_regs_t, object_hard_regs_node_t): New typedefs.
	(struct object_hard_regs, struct object_hard_regs_node): New.
	(struct ira_object): New members profitable_hard_regs,
	hard_regs_node, hard_regs_subnodes_start, hard_regs_subnodes_num.
	(struct ira_allocno): Rename cover_class to aclass.  Rename
	cover_class_cost and updated_cover_class_cost to class_cost and
	updated_class_cost.  Remove splay_removed_p and
	left_conflict_size.  Add new members colorable_p.
	(ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICTS_SIZE): Remove.
	(ALLOCNO_COLORABLE_P): New macro.
	(ALLOCNO_COVER_CLASS): Rename to ALLOCNO_CLASS.
	(ALLOCNO_COVER_CLASS_COST, ALLOCNO_UPDATED_COVER_CLASS_COST):
	Rename to ALLOCNO_CLASS_COST and ALLOCNO_UPDATED__CLASS_COST.
	(OBJECT_...): Rename parameter C to O.
	(OBJECT_PROFITABLE_HARD_REGS): New macro.
	(OBJECT_HARD_REGS_NODE, OBJECT_HARD_REGS_SUBNODES_START)
	(OBJECT_HARD_REGS_SUBNODES_NUM): New macros.
	(struct target_ira_int): New members x_ira_max_memory_move_cost,
	x_ira_max_register_move_cost, x_ira_max_may_move_in_cost,
	x_ira_max_may_move_out_cost, x_ira_reg_allocno_class_p,
	x_ira_reg_pressure_class_p, x_ira_important_class_nums,
	x_ira_reg_class_superunion.  Rename x_prohibited_class_mode_reg to
	x_ira_prohibited_class_mode_reg.  Rename x_ira_reg_class_union to
	x_ira_reg_class_subunion.
	(ira_max_memory_move_cost, ira_max_register_move_cost)
	(ira_max_may_move_in_cost, ira_max_may_move_out_cost)
	(ira_reg_allocno_class_p, ira_reg_pressure_class_p)
	(ira_important_class_nums, ira_reg_class_superunion): New macros.
	(prohibited_class_mode_regs): Rename to ira_prohibited_class_mode_regs.
	(ira_reg_class_union): Rename to ira_reg_class_subunion.
	(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
	(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
	(ira_tune_allocno_costs_and_cover_classes): Rename to
	ira_tune_allocno_costs.
	(ira_debug_hard_regs_forest): New.
	(ira_object_conflict_iter_init, ira_object_conflict_iter_cond)
	(ira_object_conflict_iter_next): Fix comments.
	(ira_hard_reg_set_intersection_p, hard_reg_set_size): New functions.
	(ira_allocate_and_set_costs, ira_allocate_and_copy_costs): Rename
	cover_class to aclass.
	(ira_allocate_and_accumulate_costs): Ditto.
	(ira_allocate_and_set_or_copy_costs): Ditto.

	* opts.c (decode_options): Remove ira_cover_class check.

	* ira-color.c: Remove mentioning cover classes from the file.  Use
	ALLOCNO_CLASS, ALLOCNO_CLASS_COST, and ALLOCNO_UPDATED_CLASS_COST
	instead of ALLOCNO_COVER_CLASS, ALLOCNO_COVER_CLASS_COST, and
	ALLOCNO_UPDATED_COVER_CLASS_COST.  Fix formatting.
	(splay-tree.h): Remove include.
	(allocno_coalesced_p, processed_coalesced_allocno_bitmap): Move
	before copy_freq_compare_func.
	(allocnos_for_spilling, removed_splay_allocno_vec): Remove.
	(object_hard_regs_vec, object_hard_regs_htab, node_check_tick):
	New definitions.
	(hard_regs_roots, hard_regs_node_vec): Ditto.
	(object_hard_regs_hash, object_hard_regs_eq, find_hard_regs): Ditto.
	(insert_hard_regs, init_object_hard_regs, add_object_hard_regs): Ditto.
	(finish_object_hard_regs, object_hard_regs_compare): Ditto.
	(create_new_object_hard_regs_node): Ditto.
	(add_new_object_hard_regs_node_to_forest): Ditto.
	(add_object_hard_regs_to_forest, collect_object_hard_regs_cover): Ditto.
	(setup_object_hard_regs_nodes_parent, first_common_ancestor_node):
	Ditto.
	(print_hard_reg_set, print_hard_regs_subforest): Ditto.
	(print_hard_regs_forest, ira_debug_hard_regs_forest): Ditto.
	(remove_unused_object_hard_regs_nodes): Ditto.
	(enumerate_object_hard_regs_nodes): Ditto.
	(object_hard_regs_nodes_num, object_hard_regs_nodes): Ditto.
	(object_hard_regs_subnode_t): Ditto.
	(struct object_hard_regs_subnode): Ditto.
	(object_hard_regs_subnodes, object_hard_regs_subnode_index): Ditto.
	(setup_object_hard_regs_subnode_index): Ditto.
	(get_object_hard_regs_subnodes_num): Ditto.
	(form_object_hard_regs_nodes_forest): Ditto.
	(finish_object_hard_regs_nodes_tree): Ditto.
	(finish_object_hard_regs_nodes_forest): Ditto.
	(allocnos_have_intersected_live_ranges_p): Rename to
	allocnos_conflict_by_live_ranges_p.  Move before copy_freq_compare_func.
	(pseudos_have_intersected_live_ranges_p): Rename to
	conflict_by_live_ranges_p.  Move before copy_freq_compare_func.
	(setup_left_conflict_sizes_p, update_left_conflict_sizes_p): Ditto.
	(empty_profitable_hard_regs, setup_profitable_hard_regs): Ditto.
	(update_copy_costs): Remove assert.  Skip cost update if the hard
	reg does not belong the class.
	(assign_hard_reg): Process only profitable hard regs.
	(uncolorable_allocnos_num): Make it scalar.
	(allocno_spill_priority): Use ALLOCNO_EXCESS_PRESSURE_POINTS_NUM
	and ira_reg_class_max_nregs instead of ALLOCNO_LEFT_CONFLICTS_SIZE
	and ira_reg_class_max_nregs.
	(bucket_allocno_compare_func): Check frequency first.
	(sort_bucket): Add compare function as a parameter.
	(add_allocno_to_ordered_bucket): Assume no coalesced allocnos.
	(uncolorable_allocnos_splay_tree, USE_SPLAY_P): Remove.
	(push_allocno_to_stack): Rewrite for checking new allocno
	colorability.
	(remove_allocno_from_bucket_and_push): Print cost too.  Remove assert.
	(push_only_colorable): Pass new parameter to sort_bucket.
	(push_allocno_to_spill): Remove.
	(allocno_spill_priority_compare): Make it inline and rewrite.
	(splay_tree_allocate, splay_tree_free): Remove.
	(allocno_spill_sort_compare): New function.
	(push_allocnos_to_stack): Sort allocnos for spilling once.  Don't
	build and use splay tree.  Choose first allocno in uncolorable
	allocno bucket to spill.  Remove setting spill cost.
	(all_conflicting_hard_regs): Remove.
	(setup_allocno_available_regs_num): Check only profitable hard
	regs.  Print info about hard regs nodes.
	(setup_allocno_left_conflicts_size): Remove.
	(put_allocno_into_bucket): Don't call
	setup_allocno_left_conflicts_size.  Use setup_left_conflict_sizes_p.
	(improve_allocation): New.
	(color_allocnos): Call setup_profitable_hard_regs,
	form_object_hard_regs_nodes_forest, improve_allocation,
	finish_object_hard_regs_nodes_forest.  Setup spill cost.
	(print_loop_title): Use pressure classes.
	(color_allocnso): Ditto.
	(do_coloring): Remove allocation and freeing splay_tree_node_pool
	and allocnos_for_spilling.
	(ira_sort_regnos_for_alter_reg): Don't setup members
	{first,next}_coalesced_allocno.
	(color): Remove allocating and freeing removed_splay_allocno_vec.
	(fast_allocation): Use ira_prohibited_class_mode_regs instead of
	prohibited_class_mode_regs.

	* ira-lives.c: Remove mentioning cover classes from the file.  Fix
	formatting.
	(update_allocno_pressure_excess_length): Use pressure classes.
	(inc_register_pressure, dec_register_pressure): Check for pressure
	class.
	(mark_pseudo_regno_live, mark_pseudo_regno_subword_live): Use
	pressure class.  Use ira_reg_class_nregs instead of
	ira_reg_class_max_nregs.
	(mark_pseudo_regno_dead, mark_pseudo_regno_subword_dead): Ditto.
	(mark_hard_reg_live, mark_hard_reg_dead): Use pressure class.
	(single_reg_class): Use ira_reg_class_nregs instead of
	ira_reg_class_max_nregs.
	(process_bb_node_lives): Use pressure classes.

	* ira-emit.c: Remove mentioning cover classes from the file.  Use
	ALLOCNO_CLASS instead of ALLOCNO_COVER_CLASS.  Fix formatting.
	(change_loop): Use pressure classes.
	(modify_move_list): Call ira_set_allocno_class instead of
	ira_set_allocno_cover_class.

	* ira-build.c: Remove mentioning cover classes from the file.  Use
	ALLOCNO_CLASS and ALLOCNO_CLASS_COST instead of
	ALLOCNO_COVER_CLASS and ALLOCNO_COVER_CLASS_COST.  Use
	ALLOCNO_UPDATED_CLASS_COST instead of
	ALLOCNO_UPDATED_COVER_CLASS_COST.  Fix formatting.
	(ira_create_object): Initiate OBJECT_PROFITABLE_HARD_REGS.
	(ira_create_allocno): Remove initialization of
	ALLOCNO_SPLAY_REMOVED_P, ALLOCNO_LEFT_CONFLICT_SIZE.  Initialize
	ALLOCNO_COLORABLE_P.
	(ira_set_allocno_cover_class): Rename to ira_set_allocno_class.
	Update conflict regs for the objects.
	(create_cap_allocno): Remove assert.  Don't propagate
	ALLOCNO_AVAILABLE_REGS_NUM.
	(ira_free_allocno_costs): New function.
	(finish_allocno): Change a part of code into call of
	ira_free_allocno_costs.
	(low_pressure_loop_node_p): Use pressure classes.
	(object_range_compare_func): Don't compare classes.
	(setup_min_max_conflict_allocno_ids): Ditto.

	* loop-invariant.c: Remove mentioning cover classes from the file.
	Use ira_pressure_classes and ira_pressure_classes_num instead of
	ira_reg_class_cover_size and ira_reg_class_cover.  Fix formatting.
	(get_cover_class_and_nregs): Rename to get_cover_pressure_and_nregs.
	Use ira_reg_class_max_nregs instead of ira_reg_class_nregs.
	Use reg_allocno_class instead of reg_cover_class.
	(get_inv_cost): Use instead ira_stack_reg_pressure_class of
	STACK_REG_COVER_CLASS.
	(get_regno_cover_class): Rename to get_regno_pressure_class.
	(move_loop_invariants): Initialize and finalize regstat.

	* ira.c: Remove mentioning cover classes from the file.  Add
	comments about coloring without cover classes.  Use ALLOCNO_CLASS
	instead of ALLOCNO_COVER_CLASS.  Fix formatting.
	(alloc_reg_class_subclasses, setup_reg_subclasses): Move it before
	setup_class_subset_and_memory_move_costs.
	(setup_stack_reg_pressure_class, setup_pressure_classes): New.
	(setup_cover_and_important_classes): Rename to
	setup_allocno_and_important_classes.
	(setup_class_translate_array): New.
	(setup_class_translate): Call it for allocno and pressure classes.
	(cover_class_order): Rename to allocno_class_order.
	(comp_reg_classes_func): Use ira_allocno_class_translate instead
	of ira_class_translate.
	(reorder_important_classes): Set up ira_important_class_nums.
	(setup_reg_class_relations): Set up ira_reg_class_superunion.
	(print_class_cover): Rename to print_classes.  Add parameter.
	(ira_debug_class_cover): Rename to ira_debug_allocno_classes.
	Print pressure classes too.
	(find_reg_class_closure): Rename to find_reg_classes.  Don't call
	setup_reg_subclasses.
	(ira_hard_regno_cover_class): Rename to ira_hard_regno_allocno_class.
	(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
	(setup_prohibited_class_mode_regs): Use
	ira_prohibited_class_mode_regs instead of prohibited_class_mode_regs.
	(clarify_prohibited_class_mode_regs): New function.
	(ira_init_register_move_cost): Set up ira_max_register_move_cost,
	ira_max_may_move_in_cost, and ira_max_may_move_out_cost.
	(ira_init_once): Initialize them.
	(free_register_move_costs): Process them.
	(ira_init): Move calls of find_reg_classes and
	setup_hard_regno_aclass after setup_prohibited_class_mode_regs.
	Call clarify_prohibited_class_mode_regs.
	(ira_no_alloc_reg): Remove.
	(too_high_register_pressure_p): Use pressure classes.

	* sched-deps.c: Remove mentioning cover classes from the file.
	Use ira_reg_pressure_cover instead of ira_reg_class_cover.  Use
	ira_pressure_classes and ira_pressure_classes_num instead of
	ira_reg_class_cover_size and ira_reg_class_cover.
	(mark_insn_hard_regno_birth, mark_hard_regno_death): Use
	sched_regno_pressure_class instead of sched_regno_cover_class.
	(mark_insn_pseudo_birth, mark_pseudo_death): Ditto.  Use
	ira_reg_class_max_nregs instead of ira_reg_class_nregs.

	* ira.h: Add 2010 to Copyright.
	(ira_no_alloc_reg): Remove external.
	(struct target_ira): Rename x_ira_hard_regno_cover_class,
	x_ira_reg_class_cover_size, x_ira_reg_class_cover, and
	x_ira_class_translate to x_ira_hard_regno_allocno_class,
	x_ira_allocno_classes_num, x_ira_allocno_classes, and
	x_ira_allocno_class_translate.  Add x_ira_pressure_classes_num,
	x_ira_pressure_classes, x_ira_pressure_class_translate, and
	x_ira_stack_reg_pressure_class.  Rename x_ira_reg_class_nregs to
	x_ira_reg_class_max_nregs.  Add x_ira_reg_class_min_nregs and
	x_ira_no_alloc_regs.
	(ira_hard_regno_cover_class): Rename to ira_hard_regno_allocno_class.
	(ira_reg_class_cover_size, ira_reg_class_cover): Rename to
	ira_allocno_classes_num and ira_allocno_classes.
	(ira_class_translate): Rename to ira_allocno_class_translate.
	(ira_pressure_classes_num, ira_pressure_classes): New definitions.
	(ira_pressure_class_translate, ira_stack_reg_pressure_class): Ditto.
	(ira_reg_class_nregs): Rename to ira_reg_class_max_nregs.
	(ira_reg_class_min_nregs, ira_stack_reg_pressure_class): New
	(ira_no_alloc_regs): New.

	* ira-costs.c: Add 2010 to Copyright.  Remove mentioning cover
	classes from the file.  Use ALLOCNO_CLASS instead of
	ALLOCNO_COVER_CLASS.  Use ALLOCNO_CLASS_COST instead of
	ALLOCNO_COVER_CLASS_COST.
	(regno_cover_class): Rename to regno_aclass.
	(record_reg_classes): Use ira_reg_class_subunion instead of
	ira_reg_class_union.
	(record_address_regs): Check overflow.
	(scan_one_insn): Ditto.
	(print_allocno_costs): Print total mem cost fore regional allocation.
	(print_pseudo_costs): Use REG_N_REFS.
	(find_costs_and_classes): Use classes intersected with them on the
	1st pass. Check overflow.  Use ira_reg_class_subunion instead of
	ira_reg_class_union.  Use ira_allocno_class_translate and
	regno_aclass instead of ira_class_translate and regno_cover_class.
	Modify code for finding regno_aclass.  Setup preferred classes for
	the next pass.
	(setup_allocno_cover_class_and_costs): Rename to
	setup_allocno_class_and_costs.  Use regno_aclass instead of
	regno_cover_class.  Use ira_set_allocno_class instead of
	ira_set_allocno_cover_class.
	(init_costs, finish_costs): Use regno_aclass instead of
	regno_cover_class.
	(ira_costs): Use setup_allocno_class_and_costs instead of
	setup_allocno_cover_class_and_costs.
	(ira_tune_allocno_costs_and_cover_classes): Rename to
	ira_tune_allocno_costs.  Check overflow.  Skip conflict hard regs
	by processing objects.  Use ira_reg_class_max_nregs instead of
	ira_reg_class_nregs.

	* rtl.h (reg_cover_class): Rename to reg_allocno_class.

	* sched-int.h: Remove mentioning cover classes from the file.
	(sched_regno_cover_class): Rename to sched_regno_pressure_class.

	* reginfo.c: Add 2010 to Copyright.  Remove mentioning cover
	classes from the file.
	(struct reg_pref): Rename coverclass into allocnoclass.
	(reg_cover_class): Rename to reg_allocno_class.

	* Makefile.in (ira-color.o): Remove SPLAY_TREE_H from dependencies.

	* config/alpha/alpha.h (IRA_COVER_CLASSES): Remove.

	* config/arm/arm.h (IRA_COVER_CLASSES): Ditto.

	* config/avr/avr.h (IRA_COVER_CLASSES): Ditto.

	* config/bfin/bfin.h (IRA_COVER_CLASSES): Ditto.

	* config/cris/cris.h (IRA_COVER_CLASSES): Ditto.

	* config/fr30/fr30.h (IRA_COVER_CLASSES): Ditto.

	* config/frv/frv.h (IRA_COVER_CLASSES): Ditto.

	* config/h8300/h8300.h (IRA_COVER_CLASSES): Ditto.

	* config/i386/i386.h (STACK_REG_COVER_CLASS): Ditto.

	* config/i386/i386.c (TARGET_IRA_COVER_CLASSES)
	(i386_ira_cover_classes): Ditto.

	* config/ia64/ia64.h (IRA_COVER_CLASSES): Ditto.

	* config/iq2000/iq2000.h (IRA_COVER_CLASSES): Ditto.

	* config/m32r/m32r.h (IRA_COVER_CLASSES): Ditto.

	* config/m68k/m68k.h (IRA_COVER_CLASSES): Ditto.

	* config/mcore/mcore.h (IRA_COVER_CLASSES): Ditto.

	* config/mep/mep.h (IRA_COVER_CLASSES): Ditto.

	* config/mips/mips.c (TARGET_IRA_COVER_CLASSES)
	(mips_ira_cover_classes): Ditto.

	* config/mn10300/mn10300.h (IRA_COVER_CLASSES): Ditto.

	* config/moxie/moxie.h (IRA_COVER_CLASSES): Ditto.

	* config/pa/pa64-regs.h (IRA_COVER_CLASSES): Ditto.

	* config/pa/pa32-regs.h (IRA_COVER_CLASSES): Ditto.

	* config/picochip/picochip.h (IRA_COVER_CLASSES): Ditto.

	* config/rs6000/rs6000.h (IRA_COVER_CLASSES_PRE_VSX)
	(IRA_COVER_CLASSES_VSX): Ditto.

	* config/rs6000/rs6000.c (TARGET_IRA_COVER_CLASSES)
	(rs6000_ira_cover_classes): Ditto.

	* config/rx/rx.h (IRA_COVER_CLASSES): Ditto.

	* config/s390/s390.h (IRA_COVER_CLASSES): Ditto.

	* config/score/score.h (IRA_COVER_CLASSES): Ditto.

	* config/sh/sh.h (IRA_COVER_CLASSES): Ditto.

	* config/sparc/sparc.h (IRA_COVER_CLASSES): Ditto.

	* config/spu/spu.h (IRA_COVER_CLASSES): Ditto.

	* config/stormy16/stormy16.h (IRA_COVER_CLASSES): Ditto.

	* config/v850/v850.h (IRA_COVER_CLASSES): Ditto.

	* config/vax/vax.h (IRA_COVER_CLASSES): Ditto.

	* config/xtensa/xtensa.h (IRA_COVER_CLASSES): Ditto.

2011-03-29  Jakub Jelinek  <jakub@redhat.com>

	PR debug/48253
	* dwarf2out.c (struct dw_fde_struct): Remove dw_fde_hot_section_label,
	dw_fde_hot_section_end_label, dw_fde_unlikely_section_label,
	dw_fde_unlikely_section_end_label, cold_in_std_section,
	dw_fde_switched_sections and dw_fde_switched_cold_to_hot fields.
	Add dw_fde_second_begin, dw_fde_second_end and second_in_std_section
	fields.
	(output_fde): Use dw_fde_second_{begin,end} if second is
	true, otherwise dw_fde_{begin,end}.
	(output_call_frame_info): Test dw_fde_second_begin != NULL
	instead of dw_fde_switched_sections.
	(dwarf2out_begin_prologue): Stop initializing removed dw_fde_struct
	fields, initialize new fields.  Initialize in_std_section
	unconditionally from the first partition.
	(dwarf2out_end_epilogue): Don't override dw_fde_end when
	dw_fde_second_begin is non-NULL.
	(dwarf2out_switch_text_section): Stop initializing removed
	dw_fde_struct fields, initialize new fields, initialize
	also dw_fde_end here.  Set dw_fde_switch_cfi even when
	dwarf2out_do_cfi_asm ().  Call var_location_switch_text_section.
	(struct var_loc_list_def): Add last_before_switch field.
	(arange_table, arange_table_allocated, arange_table_in_use,
	ARANGE_TABLE_INCREMENT, add_arange): Removed.
	(size_of_aranges): Count !in_std_section and !second_in_std_section
	hunks in fdes, instead of looking at arange_table_in_use.
	(output_aranges): Add aranges_length argument, don't call
	size_of_aranges here.  Instead of using aranges_table*
	emit ranges for fdes when !in_std_section resp.
	!second_in_std_section.
	(dw_loc_list): Break ranges crossing section switch.
	(convert_cfa_to_fb_loc_list): Likewise.  If switched sections,
	use dw_fde_second_end instead of dw_fde_end as end of last range.
	(gen_subprogram_die): Don't call add_arange.  Use
	dw_fde_{begin,end} for first partition and if switched
	section dw_fde_second_{begin,end} for the second.
	(var_location_switch_text_section_1,
	var_location_switch_text_section): New functions.
	(dwarf2out_begin_function): Initialize cold_text_section even
	when function_section () isn't text_section.
	(prune_unused_types): Don't walk arange_table.
	(dwarf2out_finish): Don't needlessly test
	flag_reorder_blocks_and_partition when testing cold_text_section_used.
	If info_section_emitted, call size_of_aranges and if it indicates
	non-empty .debug_aranges, call output_aranges with the computed
	size.  Stop using removed dw_fde_struct fields, use
	dw_fde_{begin,end} for first partition and dw_fde_second_{begin,end}
	for second.

	PR debug/48203
	* cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Only
	create ENTRY_VALUE if incoming or address of incoming's MEM
	is a hard REG.
	* dwarf2out.c (mem_loc_descriptor): Don't emit
	DW_OP_GNU_entry_value of DW_OP_fbreg.
	* var-tracking.c (vt_add_function_parameter): Ensure cselib_lookup
	on ENTRY_VALUE is able to find the canonical parameter VALUE.
	* cselib.c (rtx_equal_for_cselib_1) <case ENTRY_VALUE>: Use
	rtx_equal_p instead of rtx_equal_for_cselib_1 to compare
	ENTRY_VALUE_EXPs.
	(cselib_hash_rtx) <case ENTRY_VALUE>: If ENTRY_VALUE_EXP
	is a REG_P or MEM_P with REG_P address, compute hash directly
	instead of calling cselib_hash_rtx on ENTRY_VALUE_EXP.
	(preserve_only_constants): Don't clear VALUES forwaring
	ENTRY_VALUE to some other VALUE.

2011-03-28  Richard Sandiford  <richard.sandiford@linaro.org>

	* builtins.c (expand_builtin_memset_args): Use gen_int_mode
	instead of GEN_INT.

2011-03-28  Eric Botcazou  <ebotcazou@adacore.com>

	* cfgexpand.c (expand_gimple_cond): Always set the source location and
	block before expanding the statement.
	(expand_gimple_stmt_1): Likewise.  Set them here...
	(expand_gimple_stmt): ...and not here.  Tidy.
	* cfglayout.c (curr_insn_locator): Return 0 if the current location is
	unknown.

2011-03-28  Steven Bosscher  <steven@gcc.gnu.org>

	* Makefile.in: New rule for cprop.o.
	* gcse.c: Move constant/copy propagation to cprop.c.
	(compute_local_properties): Only handle expression tables.
	(hash_scan_set, compute_hash_table_work, alloc_hash_table,): Likewise.
	(one_pre_gcse_pass, one_code_hoisting_pass): Likewise.
	(hash_set, insert_set_in_table, gcse_constant_p, lookup_set,
	next_set, reset_opr_set_tables, oprs_not_set_p, mark_call, mark_set,
	mark_clobber, mark_oprs_set, alloc_cprop_mem, free_cprop_mem,
	compute_cprop_data, find_used_regs, try_replace_reg,
	find_avail_set, cprop_jump, constprop_register, cprop_insn,
	local_cprop_find_used_regs, do_local_cprop, local_cprop_pass,
	fis_get_condition, implicit_set_cond_p, find_implicit_sets,
	find_bypass_set, reg_killed_on_edge, bypass_block,
	bypass_conditional_jumps, one_cprop_pass, gate_rtl_cprop,
	execute_rtl_cprop, pass_rtl_cprop): Move to...
	* cprop.c: ...here.  New file, constant/copy propagation for RTL
	moved from gcse.c to here with minor cleanups in duplicated code.

2011-03-28  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (flag_opts): Fix a typo in
	-mavx256-split-unaligned-store.

2011-03-28  Anatoly Sokolov  <aesok@post.ru>

	* config/h8300/h8300.h (FUNCTION_VALUE_REGNO_P, FUNCTION_VALUE,
	LIBCALL_VALUE): Remove macros.
	* config/h8300/h8300.c (TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
	TARGET_FUNCTION_VALUE_REGNO_P): Define.
	(h8300_function_value, h8300_libcall_value,
	h8300_function_value_regno_p): New functions.

2011-03-28  Anatoly Sokolov  <aesok@post.ru>

	* config/h8300/h8300.h (ASM_OUTPUT_BSS): Remove macro.

2011-03-28  Jeff Law  <law@redhat.com>

	* tree-ssa-threadupdate.c (redirect_edges): Call
	create_edge_and_update_destination_phis as needed.
	(create_edge_and_update_destination_phis): Accept new BB argument.
	All callers updated.
	(thread_block): Do not update the profile when threading around
	intermediate blocks.
	(thread_single_edge): Likewise.
	(determine_bb_domination_status): If BB is not a successor of the
	loop header, return NONDOMINATING.
	(register_jump_thread): Note when we register a jump thread around
	an intermediate block.
	* tree-ssa-threadedge.c (thread_around_empty_block): New function.
	(thread_across_edge): Use it.

2011-03-28  Tristan Gingold  <gingold@adacore.com>

	* config/ia64/ia64.c (ia64_promote_function_mode): Fix promotion
	when for_return is 2.

2011-03-28  Jeff Law  <law@redhat.com>

	* var-tracking.c (canonicalize_values_mark): Delete unused
	lhs assignment.
	(canonicalize_values_star, set_variable_part): Likewise.
	(clobber_variable_part, delete_variable_part): Likewise.

2011-03-28  Steven Bosscher  <steven@gcc.gnu.org>

	* gcse.c (free_gcse_mem): Free reg_set_bitmap.

2011-03-28  Martin Jambor  <mjambor@suse.cz>

	* tree-inline.c (expand_call_inline): Do not check that destination
	node is analyzed.
	(optimize_inline_calls): Assert that destination node is analyzed.
	* cgraph.c (cgraph_add_new_function): Call cgraph_analyze_function, do
	not call tree_lowering_passes.
	* cgraph.h (cgraph_analyze_function): Declare.
	* cgraphunit.c (cgraph_analyze_function): Make public.

2011-03-28  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/sparc-opts.h: New.
	* config/sparc/sparc.c (sparc_handle_option, sparc_select,
	sparc_cpu, fpu_option_set, TARGET_HANDLE_OPTION): Remove.
	(sparc_option_override): Store processor_type enumeration rather
	than string in cpu_default.  Remove name and enumeration from
	cpu_table.  Directly default -mcpu then default -mtune from -mcpu
	without using sparc_select.  Use target_flags_explicit instead of
	fpu_option_set.
	* config/sparc/sparc.h (enum processor_type): Move to
	sparc-opts.h.
	(sparc_cpu, struct sparc_cpu_select, sparc_select): Remove.
	* config/sparc/sparc.opt (config/sparc/sparc-opts.h): New
	HeaderInclude entry.
	(mcpu=, mtune=): Use Var and Enum.
	(sparc_processor_type): New Enum and EnumValue entries.

2011-03-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>
	    Iain Sandoe  <iains@gcc.gnu.org>

	PR target/48245
	* config/darwin.h (LINK_COMMAND_SPEC_A): Use LINK_PLUGIN_SPEC.

2011-03-28  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-vectorizer.h (vect_create_data_ref_ptr): Adjust prototype.
	* tree-vect-data-refs.c (vect_create_data_ref_ptr): Add GSI parameter.
	Insert new statements at it in lieu of STMT.
	(vect_setup_realignment): Adjust call to vect_create_data_ref_ptr.
	* tree-vect-stmts.c (vectorizable_store): Likewise.
	(vectorizable_load): Likewise.

2011-03-28  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.md (addtf3): Change mode of operands to TFmode.
	(divtf3): Ditto.
	(multf3): Ditto.
	(subtf3): Ditto.

2011-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/sse.md (*avx_mov<mode>_internal): Don't assert
	unaligned 256bit load/store.
	(*avx_movu<ssemodesuffix><avxmodesuffix>): Likewise.
	(*avx_movdqu<avxmodesuffix>): Likewise.

2011-03-27  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/48288
	* config/pa/predicates.md (reg_or_ior_operand): New predicate.
	* config/pa/pa.md (iordi3): Use new predicate in expander.
	(iorsi3): Likewise.

2011-03-27  Anatoly Sokolov  <aesok@post.ru>

	* config/mips/mips.h (LIBCALL_VALUE, FUNCTION_VALUE,
	FUNCTION_VALUE_REGNO_P): Remove macros.
	* config/mips/mips-protos.h (mips_function_value): Remove.
	* config/mips/mips.c (mips_function_value): Rename to...
	(mips_function_value_1): ... this. Make static.  Handle receiving
	the function type in 'fn_decl_or_type' argument.
	(mips_function_value, mips_libcall_value,
	mips_function_value_regno_p): New function.
	(TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
	TARGET_FUNCTION_VALUE_REGNO_P): Define.

2011-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (flag_opts): Add -mavx256-split-unaligned-load
	and -mavx256-split-unaligned-store.
	(ix86_option_override_internal): Split 32-byte AVX unaligned
	load/store by default.
	(ix86_avx256_split_vector_move_misalign): New.
	(ix86_expand_vector_move_misalign): Use it.

	* config/i386/i386.opt: Add -mavx256-split-unaligned-load and
	-mavx256-split-unaligned-store.

	* config/i386/sse.md (*avx_mov<mode>_internal): Verify unaligned
	256bit load/store.  Generate unaligned store on misaligned memory
	operand.
	(*avx_movu<ssemodesuffix><avxmodesuffix>): Verify unaligned
	256bit load/store.
	(*avx_movdqu<avxmodesuffix>): Likewise.

	* doc/invoke.texi: Document -mavx256-split-unaligned-load and
	-mavx256-split-unaligned-store.

2011-03-27  Richard Sandiford  <rdsandiford@googlemail.com>

	PR target/38598
	* config/mips/mips.md (extendsidi2): Add an "l" alternative.
	Update commentary.

2011-03-27  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips_prepare_builtin_arg): Replace icode and
	opno arguments with an expand_operand.  Use create_input_operand.
	(mips_prepare_builtin_target): Delete.
	(mips_expand_builtin_insn, mips_expand_builtin_compare_1): New
	functions.
	(mips_expand_builtin_direct): Use create_output_operand and
	mips_expand_builtin_insn.  Update call to mips_prepare_builtin_arg.
	(mips_expand_builtin_movtf): Likewise.  Use mips_expand_fp_comparison.
	(mips_expand_builtin_compare): Use mips_expand_fp_comparison.

2011-03-27  Ira Rosen  <ira.rosen@linaro.org>

	* config/arm/arm.c (arm_autovectorize_vector_sizes): New
	function.
	(TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.

2011-03-26  Eric Botcazou  <ebotcazou@adacore.com>

	* basic-block.h (fixup_abnormal_edges): Adjust prototype.
	* reload1.c (reload): Adjust call to fixup_abnormal_edges.  Rediscover
	basic blocks and call commit_edge_insertions directly.
	(fixup_abnormal_edges): Move from here to...
	* cfgrtl.c (fixup_abnormal_edges): ...here.  Only insert instructions
	on the edges and return whether some have actually been inserted.
	* reg-stack.c (convert_regs): Fix up abnormal edges before inserting
	compensation code.

2011-03-26  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/48144
	* sel-sched-ir.c (merge_history_vect): Factor out from ...
	(merge_expr_data): ... here.
	(av_set_intersect): Rename to av_set_code_motion_filter.
	Update all callers.  Call merge_history_vect when an expression
	is found in both sets.
	* sel-sched-ir.h (av_set_code_motion_filter): Add prototype.

2011-03-26  Alan Modra  <amodra@gmail.com>

	* config/rs6000/predicates.md (word_offset_memref_op): Handle
	cmodel medium addresses.
	* config/rs6000/rs6000.c (rs6000_secondary_reload): Handle misaligned
	64-bit gpr loads and stores.
	(rs6000_secondary_reload_ppc64): New function.
	* config/rs6000/rs6000-protos.h: Declare it.
	* config/rs6000/rs6000.md (reload_di_store, reload_di_load): New.

2011-03-26  Alan Modra  <amodra@gmail.com>

	PR target/47487
	* config/rs6000/rs6000.c (rs6000_output_function_epilogue): Support
	GNU Go in traceback table.

2011-03-25  Richard Henderson  <rth@redhat.com>

	* expr.c (emit_block_move_via_movmem): Only use 6 operand variant
	if there are exactly 6 operands.
	(set_storage_via_setmem): Similarly.

2011-03-25  Kai Tietz  <ktietz@redhat.com>

	* collect2.c (write_c_file_stat): Handle backslash
	as right-hand directory separator.
	(resolve_lib_name): Use IS_DIR_SEPARATOR instead of
	checking just for slash.
	* coverage.c (coverage_init): Use IS_ABSOLUTE_PATH
	instead of checking for trailing slash.
	* gcc.c (record_temp_file): Use filename_cmp instead
	of strcmp.
	(do_spec_1): Likewise.
	(replace_outfile_spec_function): Likewise.
	(is_directory): Use filename_ncmp instead of strncmp.
	(print_multilib_info): Likewise.
	* gcov.c (find_source): Use filename_cmp instead
	instead of strcmp.
	(make_gcov_file_name): Fix order of slash/backslash
	checks.
	* incpath.c (DIRS_EQ): Use filename_cmp instead of strcmp.
	(add_standard_paths): Likewise.
	* mips-tfile.c (saber_stop): Handle backslash.
	* prefix.c (update_path): Use filename_ncmp instead of
	strncmp.
	* profile.c (output_location): Use filename_cmp instead
	of strcmp.
	* read-md.c (handle_toplevel_file): Handle backslash.
	* tlink.c (frob_extension):  Likewise.
	* tree-cfg.c (same_line_p): Use filename_cmp instead of
	strcmp.
	* tree-dump.c (dequeue_and_dump): Handle backslash.
	* tree.c (get_file_function_name): Likewise.
	* gengtype.c (read_input_list): Likewise.
	(get_file_realbasename): Likewise.
	(get_output_file_with_visibility): Use filename_cmp
	instead of strcmp.

2011-03-25  Richard Sandiford  <richard.sandiford@linaro.org>

	* config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Restrict FPA_REGS
	case to VFPv1.

2011-03-25  Nathan Froyd  <froydnj@codesourcery.com>

	* fold-const.c (expr_location_or): New function.
	(fold_truth_not_expr): Call it.

2011-03-25  Jeff Law  <law@redhat.com>

	* dwarf2asm.c (dw2_asm_output_encoded_addr_rtx): Add missing
	va_end.
	* c-family/c-common.c (def_fn_type): Likewise.
	* ada/gcc-interface/utils.c (def_fn_type): Likewise.
	* emit-rtl.c (gen_rtvec): Likewise.
	* lto/lto-lang.c (def_fn_type): Likewise.

2011-03-25  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-copy.c (stmt_may_generate_copy): Copies from constants
	also generate copies.
	(fini_copy_prop): Handle constant values properly.

2011-03-25  Jakub Jelinek  <jakub@redhat.com>

	* dwarf2out.c (mem_loc_descriptor) <case ZERO_EXTRACT>: Compare
	mode size instead of bitsize with DWARF2_ADDR_SIZE.
	(hash_loc_operands, compare_loc_operands): Handle
	DW_OP_GNU_entry_value.

2011-03-25  Kai Tietz  <ktietz@redhat.com>

	* config/i386/cygming.h (DWARF_FRAME_REGISTERS): Adjust comment.
	(STACK_BOUNDARY): Check for bit-ness in case of MS_ABI.
	* config/i386/i386.c (ix86_conditional_register_usage): Adjust
	comment and use macro TARGET_64BIT_MS_ABI instead.
	(ix86_keep_aggregate_return_pointer): Optimize for 64-bit case
	and change default behavior for 32-bit MS_ABI.
	(ix86_reg_parm_stack_space): Check additionally for bit-ness.
	(ix86_function_type_abi): Allow check for ms_abi/sysv_abi for
	32-bit, too.
	(ix86_cfun_abi): Likewise.
	(ix86_maybe_switch_abi): Adjust comment.
	(init_cumulative_args): Check for bit-ness in MS_ABI case.
	(ix86_gimplify_va_arg): Check just for not TARGET_64BIT_MS_ABI
	instead of checking for SYSV_ABI.
	(ix86_nsaved_sseregs): Likewise.
	(ix86_compute_frame_layout): Set only for 64-bit MS_ABI alignment
	to 16 bytes.
	(ix86_expand_call): Use TARGET_64BIT_MS_ABI macro.
	* config/i386.h (TARGET_32BIT_MS_ABI): New macro.
	(ACCUMULATE_OUTGOING_ARGS): Check explicit for 64-bit MS_ABI.
	(OUTGOING_REG_PARM_STACK_SPACE): Likewise.
	* config/mingw32.h (DEFAULT_ABI): Change default always to MS_ABI.

2011-03-25  Richard Guenther  <rguenther@suse.de>

	* tree-flow.h (verify_stmts): Rename to verify_gimple_in_cfg.
	(verify_types_in_gimple_seq): Rename to verify_gimple_in_seq.
	(verify_gimple): Remove.
	* tree-cfg.c (verify_gimple_call): Merge verification
	from verify_stmts.
	(verify_gimple_phi): Merge verification from verify_stmts.
	(verify_gimple_label): New function.
	(verify_types_in_gimple_seq_2): Rename to verify_gimple_in_seq_2.
	(verify_types_in_gimple_seq): Rename to verify_gimple_in_seq.
	(verify_stmt): Merge into verify_gimple_in_cfg and callees.
	(verify_stmts): Rename to verify_gimple_in_cfg.
	(verify_gimple_in_cfg): New function.
	* passes.c (execute_function_todo): Call verify_gimple_in_cfg.
	* tree-ssa.c (verify_ssa): Likewise.
	* gimplify.c (gimplify_body): Call verify_gimple_in_seq.

2011-03-25  Richard Guenther  <rguenther@suse.de>

	* passes.c (init_optimization_passes): Add FRE pass after
	early SRA.

2011-03-25  Bernd Schmidt  <bernds@codesourcery.com>
	    Andrew Stubbs  <ams@codesourcery.com>

	* config/arm/vfp.md (arm_movdi_vfp): Enable only when not tuning
	for Cortex-A8.
	(arm_movdi_vfp_cortexa8): New pattern.
	* config/arm/neon.md (adddi3_neon, subdi3_neon, anddi3_neon,
	iordi3_neon, xordi3_neon): Add alternatives to discourage Neon
	instructions when tuning for Cortex-A8.  Set attribute "arch".
	* config/arm/arm.md: Move include arm-tune.md up a bit.
	(define_attr "arch"): Add "onlya8" and "nota8" values.
	(define_attr "arch_enabled"): Handle "onlya8" and "nota8".

2011-03-25  Nathan Froyd  <froydnj@codesourcery.com>

	PR bootstrap/48282
	Revert:
	2011-03-24  Nathan Froyd  <froydnj@codesourcery.com>

	* function.c (instantiate_virtual_regs): Use FOR_EACH_BB and
	FOR_BB_INSNS_SAFE to iterate through insns.  Re-indent.
	(pass_instantiate_virtual_regs): Require PROP_cfglayout.
	* passes.c (init_optimization_passes): Move
	pass_instantiate_virtual_regs after pass_into_cfg_layout_mode.

2011-03-25  Kai Tietz  <ktietz@redhat.com>

	* c-typeck.c (comptypes_internal): Replace target
	hook call of comp_type_attributes by version in tree.c file.
	* gimple.c (gimple_types_compatible_p_1): Likewise.
	* tree-ssa.c (useless_type_conversion_p): Likewise.
	* tree.c (build_type_attribute_qual_variant): Likewise.
	(attribute_value_equal): New static helper function.
	(comp_type_attributes): New function.
	(merge_attributes): Use attribute_value_equal for comparison.
	(attribute_list_contained): Likewise.
	* tree.h (comp_type_attributes): New prototype.

2011-03-25  Richard Guenther  <rguenther@suse.de>

	* tree-cfg.c (verify_gimple_assign_unary): Drop special casing
	of complex types at -O0.
	(verify_gimple_assign_binary): Likewise.
	(verify_gimple_assign_ternary): Likewise.

2011-03-24  Mark Wielaard  <mjw@redhat.com>

	* dwarf2out.c (size_of_die): Modify comment to say DW_FORM_ref_sig8.
	(value_format): Use DW_FORM_ref_sig8, not DW_FORM_sig8.

2011-03-24  Mark Wielaard  <mjw@redhat.com>

	PR debug/48041
	* dwarf2out.c (output_abbrev_section): Only write table when
	abbrev_die_table_in_use > 1.

2011-02-24  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.c (alpha_expand_unaligned_load): Use extql.
	(alpha_expand_unaligned_store): Use mskwl, mskll, mskql.
	(alpha_expand_unaligned_load_words): Use extql.
	(alpha_expand_unaligned_store_words): Use insqh, mskqh, mskql.
	(emit_insxl): Handle all modes for consistency.

2011-02-24  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.c (get_aligned_mem): Don't test WORDS_BIG_ENDIAN.
	(alpha_expand_unaligned_load): Likewise.
	(alpha_expand_unaligned_store): Likewise.
	(alpha_expand_unaligned_load_words): Likewise.
	(alpha_expand_unaligned_store_words): Likewise.
	(emit_insxl, alpha_split_compare_and_swap_12): Likewise.
	(alpha_split_lock_test_and_set_12): Likewise.
	(print_operand, alpha_fold_builtin_extxx): Likewise.
	(alpha_fold_builtin_insxx, alpha_fold_builtin_mskxx): Likewise.
	* config/alpha/alpha.md (bswapsi2, insv, extv, extzv): Likewise.
	(builtin_extwh, builtin_extlh, builtin_extql): Likewise.
	(unaligned_extendqidi_be, unaligned_extendhidi_be, extxl_be): Remove.
	(*extxl_1_be, *extql_2_be, extqh_be, extlh_be, extwh_be): Remove.
	(insbl_be, inswl_be, insll_be, insql_be, mskxl_be): Remove.
	(unaligned_loadqi_be, unaligned_loadhi_be): Remove.
	(unaligned_storeqi_be, unaligned_storehi_be): Remove.
	(extbl): Rename from builtin_extbl; don't test WORDS_BIG_ENDIAN.
	(extwl, extll, extql): Similarly.
	(inswh, inslh, insqh): Similarly.
	(mskbl, mskwl, mskll, mskql): Similarly.
	(mskwh, msklh, mskqh): Similarly.

2011-02-24  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.md (attribute isa): Add er, ner.
	(attribute enabled): Handle them.
	(*movdi): Merge *movdi_{er_nofix,nofix,er_fix,fix}.

2011-02-24  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.md (attribute isa): Add vms.
	(attribute enabled): Handle it.
	(*movsf): Merge *movsf_{nofix,fix,nofp}.
	(*movdf): Merge *movdf_{nofix,fix,nofp}.
	(*movtf): Rename from *movtf_internal for consistency.
	(*movsi): Merge with *movsi_nt_vms.
	(*movhi): Merge *movhi_nobwx, *movhi_bwx.
	(*movqi): Merge *movqi_nobwx, *movqi_bwx.
	(*mov<VEC>): Merge *mov<VEC>_fix, *mov<VEC>_nofix.
	* config/alpha/constraint.md ("f"): Use NO_REGS when fpu is disabled.

2011-02-24  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.md (extendqihi2): Implement for BWX only.
	(extendqisi2, extendhisi2): Likewise.
	(extendqidi2): Simplify BWX/non-BWX expansions.
	(extendhidi2): Similarly.

2011-02-24  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.md (attribute isa): New.
	(attribute enabled): New.
	(zero_extendqihi2): Merge from *zero_extendqihi2_{bwx,nobwx}.
	(zero_extendqisi2, zero_extendqidi2): Similarly.
	(zero_extendhisi2, zero_extendhidi2): Similarly.
	* config/alpha/predicates.md (reg_or_bwx_memory_operand): New.

2011-02-24  Richard Henderson  <rth@redhat.com>

	* config/alpha/predicates.md (input_operand): Revert last change;
	update comment to mention 32-bit VMS rather than Windows.

2011-03-24  Nathan Froyd  <froydnj@codesourcery.com>

	* function.c (instantiate_virtual_regs): Use FOR_EACH_BB and
	FOR_BB_INSNS_SAFE to iterate through insns.  Re-indent.
	(pass_instantiate_virtual_regs): Require PROP_cfglayout.
	* passes.c (init_optimization_passes): Move
	pass_instantiate_virtual_regs after pass_into_cfg_layout_mode.

2011-03-24  Eric Botcazou  <ebotcazou@adacore.com>

	* dojump.c (do_jump_by_parts_greater_rtx): Optimize in specific cases.

2011-03-24  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (ix86_print_operand): Output DFmode const_double
	correctly.

2011-03-24  Jakub Jelinek  <jakub@redhat.com>

	PR debug/48204
	* simplify-rtx.c (simplify_const_unary_operation): Call
	real_convert when changing mode class with FLOAT_EXTEND.

2011-03-24  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.h (LABEL_ALIGN_FOR_BARRIER): Define.
	(ASM_OUTPUT_MAX_SKIP_ALIGN): Define.
	* config/rx/rx.c (rx_option_override): Set align_jumps,
	align_loops and align_labels if not set by the user.
	(rx_align_for_label): New function.
	(rx_max_skip_for_label): New function.
	(TARGET_ASM_JUMP_ALIGN_MAX_SKIP): Define.
	(TARGET_ASM_LOOP_ALIGN_MAX_SKIP): Define.
	(TARGET_ASM_LABEL_ALIGN_MAX_SKIP): Define.
	(TARGET_ASM_LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Define.
	* config/rx/rx-protos.h (rx_align_for_label): Add prototype.

2011-03-24  Richard Sandiford  <richard.sandiford@linaro.org>

	PR rtl-optimization/48263
	* optabs.c (expand_binop_directly): Reinstate convert_modes code
	and original commutative_p handling.  Use maybe_gen_insn.

2011-03-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* reload.c (find_reloads_subreg_address): Add address_reloaded
	parameter and return true there if the full address has been
	reloaded.
	(find_reloads_toplev): Pass address_reloaded flag.
	(find_reloads_address_1): Don't use address_reloaded parameter.

2011-03-24  Jeff Law  <law@redhat.com>

	* tree-ssa-live.c (remove_unused_scope_block_p): Remove set but
	unused variable "ann".
	(remove_unused_locals): Likewise.

	* tree-ssa-copy.c (propagate_tree_value_into_stmt): Remove useless
	statement.

	* cfglayout.c (fixup_reorder_chain): Do not dereference E_FALL
	after it is freed.

2011-03-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_preferred_reload_class): Return NO_REGS
	for invalid symbolic addresses.
	(s390_secondary_reload): Don't use s390_check_symref_alignment for
	larl operands.

2011-03-24  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (fold_ternary_loc): Preserve the location (if any) of
	the argument in calls to fold_truth_not_expr.

2011-03-24  Nathan Froyd  <froydnj@codesourcery.com>

	* tree.c (record_node_allocation_statistics): New function.
	(make_node_stat, copy_node_stat, build_string): Call it.
	(make_tree_binfo_stat, make_tree_vec_stat, tree_cons_stat): Likewise.
	(build1_stat, build_omp_clause): Likewise.

2011-03-24  Richard Sandiford  <richard.sandiford@linaro.org>

	* builtins.c (expand_movstr): Fix endp == 1 adjustment after
	last commit.

2011-03-24  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48271
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Only cleanup
	blocks that still exist.

2011-03-24  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48270
	* tree-ssa-phiopt.c (cond_if_else_store_replacement): Do
	not free datarefs before ddrs.

2011-03-24  Eric Botcazou  <ebotcazou@adacore.com>

	* tree-sra.c (build_ref_for_offset): Strip useless type conversions
	from the address built for a reference with variable offset.

2011-03-24  Uros Bizjak  <ubizjak@gmail.com>

	PR target/48237
	* config/i386/i386.md (*movdf_internal_rex64): Do not split
	alternatives that can be handled with movq or movabsq insn.
	(*movdf_internal): Disable for !TARGET_64BIT.
	(*movdf_internal_nointeger): Ditto.
	* config/i386/i386.c (ix86_print_operand): Handle DFmode immediates.

2011-03-24  Nathan Froyd  <froydnj@codesourcery.com>

	* system.h (FUNCTION_ARG, FUNCTION_INCOMING_ARG): Poison.
	(FUNCTION_ARG_ADVANCE): Likewise.
	* tm.texi.in: Change references to them to hook references.
	* tm.texi: Regenerate.
	* targhooks.c (default_function_arg): Eliminate check for target macro.
	(default_function_incoming_arg): Likewise.
	(default_function_arg_advance): Likewise.
	* target.def (function_arg, function_incoming_arg): Change to DEFHOOK.
	(function_arg_advance): Likewise.
	* target-def.h: Eliminate FUNCTION_INCOMING_ARG check.

2011-03-24  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48269
	* tree-object-size.c (addr_object_size): Do not double-account
	for MEM_REF offsets.

2011-03-24  Diego Novillo  <dnovillo@google.com>

	* lto-opts.c (input_data_block): Move to lto-streamer-in.c.
	* lto-streamer-in.c (input_string_internal): Add clarifying comments.
	(lto_input_data_block): Move from lto-opts.c.  Make extern.
	Update all users.
	(lto_input_string): Rename from input_string.  Make extern.
	Update all users.
	* lto-streamer-out.c (lto_output_string_with_length): Rename from
	output_string_with_length.
	Output 0 to indicate a non-NULL string.  Update all callers to
	not emit 0.
	(lto_output_string): Rename from output_string.  Make extern.
	Update all users.
	(lto_output_decl_state_streams): Make extern.
	(lto_output_decl_state_refs): Make extern.
	* lto-streamer.h (lto_input_string): Declare.
	(lto_input_data_block): Declare.
	(lto_output_string): Declare.
	(lto_output_string_with_length): Declare.
	(lto_output_decl_state_streams): Declare.
	(lto_output_decl_state_refs): Declare.

2011-03-24  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46562
	* tree.c (build_invariant_address): New function.
	* tree.h (build_invariant_address): Declare.
	* tree-dfa.c (get_addr_base_and_unit_offset): Wrap around
	a renamed function moved ...
	* tree-flow-inline.h (get_addr_base_and_unit_offset_1): ... here.
	Take valueization callback parameter.
	* tree-flow.h (gimple_fold_stmt_to_constant): Declare.
	* gimple-fold.h: New file.
	* tree-ssa-ccp.c (ccp_fold): Use gimple_fold_stmt_to_constant_1.
	(ccp_fold, fold_const_aggregate_ref,
	fold_ctor_reference, fold_nonarray_ctor_reference,
	fold_array_ctor_reference, fold_string_cst_ctor_reference,
	get_base_constructor): Move ...
	* gimple-fold.c: ... here.
	(gimple_fold_stmt_to_constant_1): New function
	split out from ccp_fold.  Take a valueization callback parameter.
	Valueize all operands.
	(gimple_fold_stmt_to_constant): New wrapper function.
	(fold_const_aggregate_ref_1): New function split out from
	fold_const_aggregate_ref.  Take a valueization callback parameter.
	(fold_const_aggregate_ref): Wrap fold_const_aggregate_ref_1.
	* tree-ssa-sccvn.c (simplify_binary_expression): Simplify
	invariant POINTER_PLUS_EXPRs to invariant form.
	(vn_valueize): New function.
	(try_to_simplify): Simplify by using gimple_fold_stmt_to_constant.
	* tree-vrp.c (vrp_valueize): New function.
	(vrp_visit_assignment_or_call): Use gimple_fold_stmt_to_constant
	to fold statements to constants.
	* tree-ssa-pre.c (eliminate): Properly guard propagation of
	function declarations.
	* Makefile.in (tree-ssa-sccvn.o, tree-vrp.o, gimple-fold.o,
	tree-ssa-ccp.o): Add gimple-fold.h dependencies.

2011-03-24  Richard Sandiford  <richard.sandiford@linaro.org>

	* config/h8300/predicates.md (jump_address_operand): Fix register
	mode check.

2011-03-24  Ira Rosen  <ira.rosen@linaro.org>

	* doc/invoke.texi (max-stores-to-sink): Document.
	* params.h (MAX_STORES_TO_SINK): Define.
	* opts.c (finish_options): Set MAX_STORES_TO_SINK to 0
	if either vectorization or if-conversion is disabled.
	* tree-data-ref.c (dr_equal_offsets_p1): Moved and renamed from
	tree-vect-data-refs.c vect_equal_offsets.
	(dr_equal_offsets_p): New function.
	(find_data_references_in_bb): Remove static.
	* tree-data-ref.h (find_data_references_in_bb): Declare.
	(dr_equal_offsets_p): Likewise.
	* tree-vect-data-refs.c (vect_equal_offsets): Move to tree-data-ref.c.
	(vect_drs_dependent_in_basic_block): Update calls to
	vect_equal_offsets.
	(vect_check_interleaving): Likewise.
	* tree-ssa-phiopt.c: Include cfgloop.h and tree-data-ref.h.
	(cond_if_else_store_replacement): Rename to...
	(cond_if_else_store_replacement_1): ... this.  Change arguments and
	documentation.
	(cond_if_else_store_replacement): New function.
	* Makefile.in (tree-ssa-phiopt.o): Adjust dependencies.
	* params.def (PARAM_MAX_STORES_TO_SINK): Define.

2011-03-23  Chung-Lin Tang  <cltang@codesourcery.com>

	PR target/46934
	* config/arm/arm.md (casesi): Use the gen_int_mode() function
	to subtract lower bound instead of GEN_INT().

2011-03-23  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR other/48179
	PR other/48221
	PR other/48234
	* doc/extend.texi (Alignment): Move section to match order in TOC.
	* doc/invoke.texi (i386 and x86-64 Windows Options): Likewise.
	(Warning Options): Adjust -Wno-cpp summary and remove stray backslash.

2011-03-23  Jeff Law  <law@redhat.com>

	* cfg.c (redirect_edge_succ_nodup): Duplicate the varm map
	before removing the edge.

	* cfgrtl.c (cfg_layout_redirect_edge_and_branch): Do not use E after
	it may have been freed by redirect_branch_edge or
	redirect_edge_succ_nodup.

2011-03-23  Richard Guenther  <rguenther@suse.de>

	* tree-stdarg.c (va_list_counter_bump): Handle bumps via MEM_REF.
	(check_va_list_escapes): Likewise.
	(check_all_va_list_escapes): Likewise.

2011-03-23  Richard Guenther  <rguenther@suse.de>

	* Makefile.in (IPA_TYPE_ESCAPE_H): Remove.
	(OBJS-archive): Remove ipa-struct-reorg.o and ipa-type-escape.o.
	(tree-ssa-alias.o): Do not depend on IPA_TYPE_ESCAPE_H.
	(alias.o): Likewise.
	(ipa-type-escape.o): Remove.
	(ipa-struct-reorg.o): Likewise.
	(GTFILES): Remove ipa-struct-reorg.c.
	* alias.c: Do not include ipa-type-escape.h.
	* tree-ssa-alias.c: Likewise.
	* common.opt (fipa-struct-reorg): Preserve for backward compatibility.
	* opts.c (finish_options): Do not reset flag_ipa_struct_reorg.
	* passes.c (init_optimization_passes): Remove ipa-struct-reorg
	and ipa-type-escape passes.
	* tree-pass.h (pass_ipa_type_escape): Remove.
	(pass_ipa_struct_reorg): Likewise.
	* ipa-struct-reorg.h: Remove.
	* ipa-struct-reorg.c: Likewise.
	* ipa-type-escape.h: Likewise.
	* ipa-type-escape.c: Likewise.
	* doc/invoke.texi (-fipa-struct-reorg): Remove.
	(--param struct-reorg-cold-struct-ratio): Likewise.
	* params.def (PARAM_STRUCT_REORG_COLD_STRUCT_RATIO): Likewise.
	* params.h (STRUCT_REORG_COLD_STRUCT_RATIO): Likewise.
	* timevar.def (TV_IPA_TYPE_ESCAPE): Likewise.

2011-03-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/2084.md: Enable all insn reservations also for z9_ec
	cpu attribute value.
	* config/s390/s390-opts.h (enum s390_arch_option): Remove.
	(enum processor_type): Add PROCESSOR_2094_Z9_EC.
	* config/s390/s390.c (processor_flags_table): New constant array.
	(s390_handle_arch_option): Remove.
	(s390_handle_option): Remove s390_handle_arch_option invocations
	and OPT_mwarn_framesize_ handling.
	(s390_option_override): Remove s390_handle_arch_option invocation.
	(s390_emit_prologue): Remove use of HOST_WIDE_INT_PRINT_DEC in
	warnings.
	* config/s390/s390.md (cpu attribute): Add z9_ec value.
	* config/s390/s390.opt (s390_tune, s390_arch)
	(march=): Replace s390_arch_option enum and values with
	processor_type.  Set variable name to s390_arch.  Set
	initialization value.
	(mtune=): Replace s390_arch_option with processor_type.  Set
	variable name to s390_tune.  Set initialization value.

2011-03-23  Julian Brown  <julian@codesourcery.com>

	* expr.c (expand_expr_real_1): Only use BLKmode for volatile
	accesses which are not naturally aligned.

2011-03-23  Richard Sandiford  <richard.sandiford@linaro.org>

	PR target/47553
	* config/arm/predicates.md (neon_lane_number): Accept 0..15.

2011-03-23  Richard Sandiford  <richard.sandiford@linaro.org>

	* optabs.h (emit_unop_insn, maybe_emit_unop_insn): Change insn code
	parameter from "int" to "enum insn_code".
	(expand_operand_type): New enum.
	(expand_operand): New structure.
	(create_expand_operand): New function.
	(create_fixed_operand, create_output_operand): Likewise
	(create_input_operand, create_convert_operand_to): Likewise.
	(create_convert_operand_from, create_address_operand): Likewise.
	(create_integer_operand): Likewise.
	(create_convert_operand_from_type, maybe_legitimize_operands): Declare.
	(maybe_gen_insn, maybe_expand_insn, maybe_expand_jump_insn): Likewise.
	(expand_insn, expand_jump_insn): Likewise.
	* builtins.c (expand_builtin_prefetch): Use the new interfaces.
	(expand_builtin_interclass_mathfn, expand_builtin_strlen): Likewise.
	(expand_movstr, expand_builtin___clear_cache): Likewise.
	(expand_builtin_lock_release): Likewise.
	* explow.c (allocate_dynamic_stack_space): Likewise.
	(probe_stack_range): Likewise.  Allow check_stack to FAIL,
	and use the default handling in that case.
	* expmed.c (check_predicate_volatile_ok): Delete.
	(store_bit_field_1, extract_bit_field_1): Use the new interfaces.
	(emit_cstore): Likewise.
	* expr.c (emit_block_move_via_movmem): Likewise.
	(set_storage_via_setmem, expand_assignment): Likewise.
	(emit_storent_insn, try_casesi): Likewise.
	(emit_single_push_insn): Likewise.  Allow the expansion to fail.
	* optabs.c (expand_widen_pattern_expr, expand_ternary_op): Likewise.
	(expand_vec_shift_expr, expand_binop_directly): Likewise.
	(expand_twoval_unop, expand_twoval_binop): Likewise.
	(expand_unop_direct, emit_indirect_jump): Likewise.
	(emit_conditional_move, vector_compare_rtx): Likewise.
	(expand_vec_cond_expr, expand_val_compare_and_swap_1): Likewise.
	(expand_sync_operation, expand_sync_fetch_operation): Likewise.
	(expand_sync_lock_test_and_set): Likewise.
	(maybe_emit_unop_insn): Likewise.  Change icode to an insn_code.
	(emit_unop_insn): Likewise.
	(expand_copysign_absneg): Change icode to an insn_code.
	(create_convert_operand_from_type): New function.
	(maybe_legitimize_operand, maybe_legitimize_operands): Likewise.
	(maybe_gen_insn, maybe_expand_insn, maybe_expand_jump_insn): Likewise.
	(expand_insn, expand_jump_insn): Likewise.
	* config/i386/i386.md (setmem<mode>): Use nonmemory_operand rather
	than const_int_operand for operand 2.

2011-03-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* dwarf2out.c (const_ok_for_output_1): Print the unspec enum name
	if possible.

2011-03-22  Nathan Froyd  <froydnj@codesourcery.com>

	* emit-rtl.c (emit_pattern_before_noloc): New function.
	(emit_insn_before_noloc, emit_jump_insn_before_noloc): Call it.
	(emit_call_insn_before_noloc, emit_debug_insn_before_noloc): Likewise.
	(emit_pattern_after_noloc): New function.
	(emit_insn_after_noloc, emit_jump_insn_after_noloc): Call it.
	(emit_call_insn_after_noloc, emit_debug_insn_after_noloc): Likewise.

2011-03-22  Nathan Froyd  <froydnj@codesourcery.com>

	* libgcc2.c (__lshrdi3, __ashldi3, __ashrdi3): Use W_TYPE_SIZE.
	(__ffsDI2): Likewise.

2011-03-22  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.c (direct_return): Use TARGET_ABI_OSF instead
	of !TARGET_ABI_OPEN_VMS.
	(alpha_trampoline_init, alpha_start_function): Likewise.
	(alpha_expand_epilogue, alpha_file_start): Likewise.
	* config/alpha/alpha.md (divsi3, modsi3): Likewise.
	(udivsi3, umodsi3, divdi3, moddi3, udivdi3, umoddi3): Likewise.
	(*divmodsi_internal_er, *divmodsi_internal_er_1): Likewise.
	(*divmodsi_internal, *divmoddi_internal_er): Likewise.
	(*divmoddi_internal_er_1, *divmoddi_internal): Likewise.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/s390/s390-opts.h: New.
	* config/s390/s390.c (s390_tune, s390_tune_flags, s390_arch,
	s390_arch_flags, s390_warn_framesize, s390_stack_size,
	s390_stack_guard): Remove.
	(s390_handle_arch_option): Return void.  Take enum
	s390_arch_option value instead of string and searching array.
	(s390_handle_option): Don't assert that global structures are in
	use.  Access variables via opts pointer.  Use error_at.  Don't use
	sscanf for -mstack-guard= or -mstack-size=.  Update call to
	s390_handle_arch_option.
	(s390_option_override): Update call to s390_handle_arch_option.
	(s390_emit_prologue): Use %d format for s390_stack_size in
	diagnostic.  Use %wd for HOST_WIDE_INT.
	* config/s390/s390.h (enum processor_type): Move to s390-opts.h.
	(s390_tune, s390_tune_flags, s390_arch, s390_arch_flags): Remove.
	* config/s390/s390.opt (config/s390/s390-opts.h): New
	HeaderInclude entry.
	(s390_arch_string, s390_tune, s390_tune_flags, s390_arch,
	s390_arch_flags, s390_warn_framesize): New Variable entries.
	(s390_arch_option): New Enum and EnumValue entries.
	(march=): Use Enum instead of Var.
	(mstack-guard=, mstack-size=): Use UInteger and Var.
	(mtune=): Use Enum.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/score/score.c (score_handle_option): Don't assert that
	global structures are in use.  Access target_flags via opts
	pointer.  Use value of -march= option to determine target_flags
	settings.
	* config/score/score.opt (march=): Use Enum.
	(score_arch): New Enum and EnumValue entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/mep/mep.c (option_mtiny_specified): Remove.
	(mep_option_override): Move register handling for -mivc2 from
	mep_handle_option.  Use global_options_set.x_mep_tiny_cutoff
	instead of option_mtiny_specified.
	(mep_handle_option): Access target_flags via opts pointer.  Don't
	assert that global structures are in use.  Defer part of -mivc2
	handling and move it to mep_option_override.
	* config/mep/mep.opt (IVC2): New Mask entry.
	(mivc2): Use Var and Defer instead of Mask.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/v850/v850-opts.h: New.
	* config/v850/v850.c (small_memory): Replace with
	small_memory_physical_max array.  Make that array static const.
	(v850_handle_memory_option): Take integer value of argument.  Take
	gcc_options pointer, option text and location.  Return void.
	Update for changes to small memory structures.
	(v850_handle_option): Access target_flags via opts pointer.  Don't
	assert that global structures are in use.  Update calls to
	v850_handle_memory_option.
	(v850_encode_data_area): Update references to small memory settings.
	* config/v850/v850.h (struct small_memory_info, small_memory): Remove.
	(enum small_memory_type): Move to v850-opts.h.
	* config/v850/v850.opt (config/v850/v850-opts.h): New
	HeaderInclude entry.
	(small_memory_max): New Variable entry.
	(msda): Replace by pair of options msda= and msda-.  Use UInteger.
	(mtda, mzda): Likewise.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/sh/sh.c (sh_handle_option): Access target_flags via opts
	pointer.  Don't assert that global structures are in use.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/pdp11/pdp11.c (pdp11_handle_option): Access target_flags
	via opts pointer.  Don't assert that global structures are in use.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/pa/pa-hpux.opt (flag_pa_unix): New Variable entry.
	(munix=93): Use Var.
	* config/pa/pa-hpux1010.opt (munix=95): Use Var.
	* config/pa/pa-hpux1111.opt (munix=98): Use Var.
	* config/pa/pa-opts.h: New.
	* config/pa/pa.c (pa_cpu, flag_pa_unix): Remove.
	(pa_handle_option): Don't assert that global structures are in
	use.  Access target_flags via opts pointer.  Don't handle
	OPT_mschedule_, OPT_mfixed_range_, OPT_munix_93, OPT_munix_95 or
	OPT_munix_98 here.
	(pa_option_override): Handle deferred OPT_mfixed_range_.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/mn10300/mn10300-opts.h: New.
	* config/mn10300/mn10300.c (mn10300_processor,
	mn10300_tune_string): Remove.
	(mn10300_handle_option): Don't assert that global structures are
	in use.  Access mn10300_processor via opts pointer.  Don't handle
	OPT_mtune_ here.
	* config/mn10300/mn10300.h (enum processor_type): Move to
	mn10300-opts.h.
	(mn10300_processor): Remove.
	* config/mn10300/mn10300.opt (config/mn10300/mn10300-opts.h): New
	HeaderInclude entry.
	(mn10300_processor): New Variable entry.
	(mtune=): Use Var.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/microblaze/microblaze.c: Don't include opts.h.
	(microblaze_handle_option, TARGET_HANDLE_OPTION): Remove.
	* config/microblaze/microblaze.opt (mxl-stack-check): Use Warn.
	(mno-clearbss): Use Var and Warn.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/m32r/m32r-opts.h: New.
	* config/m32r/m32r.c (m32r_model, m32r_sdata): Remove.
	(m32r_handle_option): Don't assert that global structures are in
	use.  Access target_flags and m32r_cache_flush_func via opts
	pointer.  Don't handle OPT_mmodel_, OPT_msdata_ or
	OPT_mno_flush_trap here.
	* config/m32r/m32r.h (Code Models, Small Data Area): Replace by
	include of m32r-opts.h.
	* config/m32r/m32r.opt (config/m32r/m32r-opts.h): New
	HeaderInclude entry.
	(m32r_model_selected, m32r_sdata_selected): New Variable entries.
	(mmodel=): Use Enum and Var.
	(m32r_model): New Enum and EnumValue entries.
	(mno-flush-trap): Use Var.
	(msdata=): Use Enum and Var.
	(m32r_sdata): New Enum and EnumValue entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/m32c/m32c.c: Don't include opts.h.
	(target_memregs, target_memregs_set, TARGET_HANDLE_OPTION,
	m32c_handle_option): Remove.
	(m32c_option_override): Check global_options_set.x_target_memregs
	instead of target_memregs_set.
	* config/m32c/m32c.h (target_memregs): Remove.
	* config/m32c/m32c.opt (memregs=): Use UInteger with integer
	variable.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/iq2000/iq2000-opts.h: New.
	* config/iq2000/iq2000.c: Don't include opts.h.
	(iq2000_tune, iq2000_handle_option, TARGET_HANDLE_OPTION): Remove.
	* config/iq2000/iq2000.h (enum processor_type, iq2000_tune): Remove.
	* config/iq2000/iq2000.opt (config/iq2000/iq2000-opts.h): New
	HeaderInclude entry.
	(iq2000_tune): New Variable entry.
	(march=): Add comment.  Use Enum.
	(iq2000_arch): New Enum and EnumValue entries.
	(mcpu=): Use Enum and Var.
	(iq2000_tune): New Enum and EnumValue entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/ia64/ia64-opts.h: New.
	* config/ia64/ia64.c (ia64_tune): Remove.
	(ia64_handle_option): Don't handle OPT_mfixed_range_ or OPT_mtune_
	here.  Use error_at.
	(ia64_option_override): Handle deferred OPT_mfixed_range_.
	* config/ia64/ia64.h (enum processor_type, ia64_tune): Remove.
	* config/ia64/ia64.opt (config/ia64/ia64-opts.h): New
	HeaderInclude entry.
	(ia64_tune): New Variable entry.
	(mfixed-range=): Use Defer and Var.
	(mtune=): Use Enum and Var.
	(ia64_tune): New Enum and EnumValue entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/frv/frv-opts.h: New.
	* config/frv/frv-protos.h (enum frv_cpu, frv_cpu_t): Move to
	frv-opts.h.
	(frv_cpu_type): Remove.
	* config/frv/frv.c: Don't include opts.h.
	(frv_cpu_type, frv_handle_option, TARGET_HANDLE_OPTION): Remove.
	* config/frv/frv.opt (config/frv/frv-opts.h): New HeaderInclude entry.
	(frv_cpu_type): New Variable entry.
	(frv_cpu): New Enum and EnumValue entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/cris/cris.c (cris_handle_option): Access target_flags via
	opts pointer.  Don't assert that global structures are in use.
	Don't call CRIS_SUBTARGET_HANDLE_OPTION.
	* config/cris/cris.h (CRIS_SUBTARGET_HANDLE_OPTION): Don't define.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/bfin/bfin-opts.h: New.
	* config/bfin/bfin.c (bfin_lib_id_given, bfin_cpu_type,
	bfin_si_revision, bfin_workarounds): Remove.
	(bfin_cpus): Make static const.
	(bfin_load_pic_reg): Check global_options_set.x_bfin_library_id
	not bfin_lib_id_given.
	(bfin_handle_option): Don't set bfin_lib_id_given.  Access
	bfin_cpu_type, bfin_si_revision and bfin_workarounds via opts
	pointer. Use error_at.  Don't assert that global structures are in use.
	* config/bfin/bfin.h: Include bfin-opts.h.
	(enum bfin_cpu_type, bfin_cpu_t): Move to bfin-opts.h.
	(bfin_cpu_type, bfin_si_revision, bfin_workarounds): Remove.
	* bfin.opt (config/bfin/bfin-opts.h): New HeaderInclude entry.
	(bfin_cpu_type, bfin_si_revision, bfin_workarounds): New Variable
	entries.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/arm.opt (mhard-float, msoft-float): Use Alias.
	* config/arm/arm.c (arm_handle_option): Don't handle -mhard-float
	or -msoft-float here.
	* config/arm/arm.h (CPP_SPEC): Handle -mfloat-abi=*, not
	-msoft-float and -mhard-float.
	(OPTION_DEFAULT_SPECS): Don't handle -mhard-float and -msoft-float.
	* config/arm/coff.h (MULTILIB_DEFAULTS): Use mfloat-abi=soft, not
	msoft-float.
	* config/arm/elf.h (ASM_SPEC): Don't handle -mhard-float and
	-msoft-float.
	(MULTILIB_DEFAULTS): Use mfloat-abi=soft, not msoft-float.
	* config/arm/linux-elf.h (MULTILIB_DEFAULTS): Use mfloat-abi=hard,
	not mhard-float.
	(LIBGCC_SPEC): Don't handle -msoft-float.
	* config/arm/netbsd-elf.h (SUBTARGET_ASM_FLOAT_SPEC): Don't handle
	-mhard-float.
	* config/arm/pe.h (MULTILIB_DEFAULTS): Use mfloat-abi=soft, not
	msoft-float.
	* config/arm/rtems-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Handle
	-mfloat-abi=*, not -msoft-float and -mhard-float.
	* config/arm/semi.h((ASM_SPEC): Don't handle -mhard-float and
	-msoft-float.
	* config/arm/t-arm-elf (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS):
	Use mfloat-abi=hard and mfloat-abi=soft in comments, not
	mhard-float and msoft-float.
	* config/arm/t-linux (MULTILIB_OPTIONS): Use mfloat-abi=hard and
	mfloat-abi=soft in comments, not mhard-float and msoft-float.
	* config/arm/t-rtems (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Use
	mfloat-abi=soft and mfloat-abi=hard, not msoft-float and
	mhard-float.
	* config/arm/t-strongarm-elf (MULTILIB_OPTIONS): Use
	mfloat-abi=hard and mfloat-abi=soft, not mhard-float and
	msoft-float.
	* config/arm/t-wince-pe (MULTILIB_OPTIONS): Use mfloat-abi=hard,
	not mhard-float.
	* config/arm/wince-pe.h (MULTILIB_DEFAULTS): Use mfloat-abi=soft,
	not msoft-float.

2011-03-22  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.c (alpha_expand_prologue): Don't test
	TARGET_ABI_WINDOWS_NT.
	(alpha_output_function_end_prologue): Likewise.
	* config/alpha/alpha.h (TARGET_ABI_OSF): Likewise.
	(ASM_OUTPUT_ADDR_DIFF_ELT): Likewise.
	* config/alpha/alpha.md (call, call_value, tablejump): Likewise.
	(trap, *movsi_nt_vms): Likewise.
	(call_nt, call_value_nt, *call_nt_1, *call_value_nt_1): Remove.
	(*tablejump_osf_nt_internal): Remove.
	* config/alpha/predicates.md (input_operand): Only test Pmode.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/alpha/alpha.c (alpha_handle_option): Access target_flags
	via opts pointer.  Use error_at.  Don't assert that global
	structures are in use.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/i386.c (ix86_isa_flags_explicit): Remove.
	(ix86_handle_option): Access ix86_isa_flags and
	ix86_isa_flags_explicit via opts pointer.  Don't assert that
	global structures are in use.
	(ix86_function_specific_save, ix86_function_specific_restore):
	Update ix86_isa_flags_explicit field name.
	* config/i386/i386.opt (ix86_isa_flags_explicit): New Variable entry.
	(ix86_isa_flags_explicit): Rename TargetSave entry to
	x_ix86_isa_flags_explicit.

2011-03-22  Richard Henderson  <rth@redhat.com>

	* config/alpha/alpha.c (NUM_ARGS): Don't test TARGET_ABI_UNICOSMK.
	(alpha_option_override, direct_return): Likewise.
	(alpha_arg_partial_bytes, alpha_setup_incoming_varargs): Likewise.
	(alpha_va_start, alpha_gimplify_va_arg, alpha_sa_mask): Likewise.
	(alpha_sa_size, compute_frame_size, alpha_expand_prologue): Likewise.
	(alpha_start_function, alpha_output_function_end_prologue): Likewise.
	(alpha_expand_epilogue, alpha_end_function): Likewise.
	(alpha_init_libfuncs): Likewise.
	(struct machine_function): Remove unicosmk members.
	(print_operand) ['t']: Remove.
	(unicosmk_must_pass_in_stack, unicosmk_initial_elimination_offset,
	unicosmk_output_module_name, unicosmk_output_common,
	current_section_align, unicosmk_output_text_section_asm_op,
	unicosmk_output_data_section_asm_op, unicosmk_init_sections,
	unicosmk_section_type_flags, unicosmk_unique_section,
	unicosmk_asm_named_section, unicosmk_insert_attributes,
	unicosmk_output_align, unicosmk_defer_case_vector,
	unicosmk_output_addr_vec, unicosmk_output_deferred_case_vectors,
	SSIB_PREFIX, SSIB_PREFIX_LEN, unicosmk_ssib_name, unicosmk_gen_dsib,
	unicosmk_output_ssib, unicosmk_add_call_info_word,
	unicosmk_extern_head, unicosmk_output_default_externs,
	unicosmk_output_externs, unicosmk_add_extern, unicosmk_dex_list,
	unicosmk_dex_count, unicosmk_special_name, unicosmk_need_dex,
	unicosmk_output_dex, unicosmk_file_start, unicosmk_file_end): Remove.
	* config/alpha/alpha-protos.h: Update.
	* config/alpha/alpha.h (TARGET_ABI_OSF): Don't test TARGET_ABI_UNICOSMK.
	* config/alpha/alpha.md (UNSPEC_UMK_LAUM, UNSPEC_UMK_LALM): Remove.
	(UNSPEC_UMK_LAL, UNSPEC_UMK_LOAD_CIW): Remove.
	(mulsi3): Don't test TARGET_ABI_UNICOSMK.
	(*mulsi_se, mulvsi3): Likewise.
	(divsi3, udivsi3, modsi3, umodsi3, divdi3, udivdi3): Likewise.
	(*divmodsi_internal, call, call_value, realign): Likewise.
	(moddi3, umoddi3): Likewise; remove duplicate expander.
	(moddi3_umk, umoddi3_umk, call_umk, call_value_umk): Remove.
	(*call_umk_1, *movsi, umk_laum, umk_lalm, *umk_load_ciw): Remove.
	(*movdi_nofix): Remove r/U alternative.
	(umk_mismatch_args, arg_home_umk, *call_value_umk): Remove.
	* config/alpha/constraints.md ("U"): Remove.
	* config/alpha/predicates.md (call_operand"): Don't test
	TARGET_ABI_UNICOSMK.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* target.def (handle_option): Take gcc_options and
	cl_decoded_option pointers and location_t.
	* doc/tm.texi.in (TARGET_HANDLE_OPTION): Update documentation.
	* doc/tm.texi: Regenerate.
	* hooks.c (hook_bool_size_t_constcharptr_int_true): Remove.
	* hooks.h (hook_bool_size_t_constcharptr_int_true): Don't declare.
	* lto-opts.c (lto_reissue_options): Generate option structure for
	targetm.handle_option call.
	* opts.c (target_handle_option): Update call to
	targetm.handle_option.  Remove assertions about values now passed
	down to hook.
	* targhooks.c (default_target_handle_option): New.
	* targhooks.h (default_target_handle_option): Declare.
	* config/alpha/alpha.c: Include opts.h.
	(alpha_handle_option): Update to new hook interface.
	* config/arm/arm.c: Include opts.h.
	(arm_handle_option): Update to new hook interface.
	* config/arm/t-arm (arm.o): Update dependencies.
	* config/bfin/bfin.c: Include opts.h.
	(bfin_handle_option): Update to new hook interface.
	* config/cris/cris.c: Include opts.h.
	(cris_handle_option): Update to new hook interface.
	* config/frv/frv.c: Include opts.h.
	(frv_handle_option): Update to new hook interface.
	* config/i386/i386.c: Include opts.h.
	(ix86_handle_option): Update to new hook interface.
	(ix86_valid_target_attribute_inner_p): Generate option structure
	for call to ix86_handle_option.
	* config/i386/t-i386 (i386.o): Update dependencies.
	* config/ia64/ia64.c: Include opts.h.
	(ia64_handle_option): Update to new hook interface.
	* config/ia64/t-ia64 (ia64.o): Update dependencies.
	* config/iq2000/iq2000.c: Include opts.h.
	(iq2000_handle_option): Update to new hook interface.
	* config/m32c/m32c.c: Include opts.h.
	(m32c_handle_option): Update to new hook interface.
	* config/m32r/m32r.c: Include opts.h.
	(m32r_handle_option): Update to new hook interface.
	* config/m68k/m68k.c: Include opts.h.
	(m68k_handle_option): Update to new hook interface.
	* config/mep/mep.c: Include opts.h.
	(mep_handle_option): Update to new hook interface.
	* config/microblaze/microblaze.c: Include opts.h.
	(microblaze_handle_option): Update to new hook interface.
	* config/mips/mips.c: Include opts.h.
	(mips_handle_option): Update to new hook interface.
	* config/mn10300/mn10300.c: Include opts.h.
	(mn10300_handle_option): Update to new hook interface.
	* config/pa/pa.c: Include opts.h.
	(pa_handle_option): Update to new hook interface.
	* config/pdp11/pdp11.c: Include opts.h.
	(pdp11_handle_option): Update to new hook interface.
	* config/rs6000/rs6000.c: Include opts.h.
	(rs6000_handle_option): Update to new hook interface.
	* config/rs6000/t-rs6000 (rs6000.o): Update dependencies.
	* config/rx/rx.c: Include opts.h.
	(rx_handle_option): Update to new hook interface.
	* config/s390/s390.c: Include opts.h.
	(s390_handle_option): Update to new hook interface.
	* config/score/score.c: Include opts.h.
	(score_handle_option): Update to new hook interface.
	* config/sh/sh.c: Include opts.h.
	(sh_handle_option): Update to new hook interface.
	* config/sparc/sparc.c: Include opts.h.
	(sparc_handle_option): Update to new hook interface.
	* config/v850/v850.c: Include opts.h.
	(v850_handle_option): Update to new hook interface.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* gcc.c (driver_unknown_option_callback): Only permit and save
	unknown -Wno- options.
	(driver_wrong_lang_callback): Save options directly instead of via
	driver_unknown_option_callback.

2011-03-22  Eric Botcazou  <ebotcazou@adacore.com>

	* combine.c (simplify_set): Try harder to find the best CC mode when
	simplifying a nested COMPARE on the RHS.

2011-03-22  Joseph Myers  <joseph@codesourcery.com>

	* config/alpha/gnu.h: Remove.
	* config/arc: Remove directory.
	* config/arm/netbsd.h: Remove.
	* config/arm/t-pe: Remove.
	* config/crx: Remove directory.
	* config/i386/netbsd.h: Remove.
	* config/m68hc11: Remove directory.
	* config/m68k/uclinux-oldabi.h: Remove.
	* config/mcore/mcore-pe.h: Remove.
	* config/mcore/t-mcore-pe: Remove.
	* config/netbsd-aout.h: Remove.
	* config/rs6000/gnu.h: Remove.
	* config/sh/sh-symbian.h: Remove.
	* config/sh/symbian-base.c: Remove.
	* config/sh/symbian-c.c: Remove.
	* config/sh/symbian-cxx.c: Remove.
	* config/sh/symbian-post.h: Remove.
	* config/sh/symbian-pre.h: Remove.
	* config/sh/t-symbian: Remove.
	* config/svr3.h: Remove.
	* config/vax/netbsd.h: Remove.
	* config.build: Don't handle i[34567]86-*-pe.
	* config.gcc: Remove handling of deprecations for most deprecated
	targets.
	(m68k-*-uclinuxoldabi*): Add to second deprecated list.
	(alpha*-*-gnu*, arc-*-elf*, arm*-*-netbsd*, arm-*-pe*, crx-*-elf,
	i[34567]86-*-netbsd*, i[34567]86-*-pe, m68hc11-*-*|m6811-*-*,
	m68hc12-*-*|m6812-*-*, m68k-*-uclinuxoldabi*, mcore-*-pe*,
	powerpc64-*-gnu*, powerpc-*-gnu-gnualtivec*, powerpc-*-gnu*,
	sh-*-symbianelf* | sh[12346l]*-*-symbianelf*, vax-*-netbsd*):
	Remove cases.
	* config.host: Don't handle i[34567]86-*-pe.
	* config/rs6000/linux64.h (LINK_OS_GNU_SPEC): Remove.
	(ASM_SPEC32): Don't handle -mcall-gnu.
	* config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Don't handle
	-mcall-gnu.
	(ASM_SPEC, CC1_SPEC, LINK_START_SPEC, LINK_OS_SPEC, CPP_SPEC,
	STARTFILE_SPEC, LIB_SPEC, ENDFILE_SPEC): Don't handle -mcall-gnu.
	(LIB_GNU_SPEC, STARTFILE_GNU_SPEC, ENDFILE_GNU_SPEC,
	LINK_START_GNU_SPEC, LINK_OS_GNU_SPEC, CPP_OS_GNU_SPEC): Remove.
	(SUBTARGET_EXTRA_SPECS): Remove *_gnu specs.
	* config/sh/sh-protos.h, config/sh/sh.c: Remove all code
	conditional on SYMBIAN.
	* configure.ac: Don't handle powerpc*-*-gnu*.
	* configure: Regenerate.
	* doc/extend.texi (interrupt attribute): Don't mention CRX.
	* doc/install-old.texi (m6811, m6812): Don't mention.
	* doc/install.texi (arc-*-elf*): Don't document multilib option.
	(arc-*-elf, CRX, m6811-elf, m6812-elf): Remove.
	(m68k-uclinuxoldabi): Don't mention.
	* doc/invoke.texi (ARC Options, CRX Options, M68hc1x Options):
	Remove.
	(-mcall-gnu): Remove.
	* doc/md.texi (CRX Architecture, Motorola 68HC11 & 68HC12
	families): Remove constraint documentation.

2011-03-22  Marius Strobl  <marius@FreeBSD.org>

	* config/sparc/freebsd.h (CPP_CPU64_DEFAULT_SPEC): Replace with...
	(FBSD_TARGET_CPU_CPP_BUILTINS): ...this.
	(TARGET_GNU_TLS, TARGET_SUN_TLS): Define.

2011-03-21  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr-protos.h (expand_epilogue): Change prototype
	* config/avr/avr.h (struct machine_function): Add field sibcall_fails.
	* config/avr/avr.c (init_cumulative_args)
	(avr_function_arg_advance): Use it.
	* config/avr/avr.c (expand_epilogue): Add bool parameter. Handle
	sibcall epilogues.
	(TARGET_FUNCTION_OK_FOR_SIBCALL): Define to...
	(avr_function_ok_for_sibcall): ...this new function.
	(avr_lookup_function_attribute1): New static Function.
	(avr_naked_function_p, interrupt_function_p)
	(signal_function_p, avr_OS_task_function_p)
	(avr_OS_main_function_p): Use it.
	* config/avr/avr.md ("sibcall", "sibcall_value")
	("sibcall_epilogue"): New expander.
	("*call_insn", "*call_value_insn"): New insn.
	("call_insn", "call_value_insn"): Remove
	("call", "call_value", "epilogue"): Change expander to handle
	sibling calls.

2011-03-21  Nick Clifton  <nickc@redhat.com>

	* doc/invoke.texi (Overall Options): Move closing brace to end of
	options list.
	(Optimization Options): Add missing @gol.
	(Directory Options): Likewise.
	(i386 and x86-64 Options): Likewise.
	(RS6000 and PowerPC Options): Likewise.
	(i386 and x86-64 Windows Options): Likewise.
	(V850 Options): Add text missing from descriptions.

2011-03-22  Richard Henderson  <rth@redhat.com>

	* config/avr/avr.c (TARGET_EXCEPT_UNWIND_INFO): New.
	(avr_incoming_return_addr_rtx): New.
	(emit_push_byte): New.
	(expand_prologue): Use it.  Remove incorrect dwarf annotation for
	SREG, RAMPZ, zero register.  Push frame pointer by bytes.  Add dwarf
	annotation for __prologue_saves__.  Fixup dwarf annotation for CFA.
	(emit_pop_byte): New.
	(expand_epilogue): Use it.  Pop frame pointer by bytes.
	* config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Remove.
	(INCOMING_RETURN_ADDR_RTX): New.
	(INCOMING_FRAME_SP_OFFSET): New.
	(ARG_POINTER_CFA_OFFSET): New.
	* config/avr/avr.md (*pushqi): Fix mode of auto-inc.
	(*pushhi, *pushsi, *pushsf, popqi): Likewise.
	(pophi): Remove.

	* dwarf2out.c (dwarf2out_frame_debug_expr) [rule 11]: Handle post_dec.

2011-03-22  Nathan Froyd  <froydnj@codesourcery.com>

	* system.h (FUNCTION_ARG, FUNCTION_INCOMING_ARG): Poison.
	(FUNCTION_ARG_ADVANCE): Likewise.
	* tm.texi.in: Change references to them to hook references.
	* tm.texi: Regenerate.
	* targhooks.c (default_function_arg): Eliminate check for target
	macro.
	(default_function_incoming_arg): Likewise.
	(default_function_arg_advance): Likewise.
	* target.def (function_arg, function_incoming_arg): Change to DEFHOOK.
	(function_arg_advance): Likewise.
	* target-def.h: Eliminate FUNCTION_INCOMING_ARG check.

2011-03-22  Nathan Froyd  <froydnj@codesourcery.com>

	* tree.c (build_call_1): New function.
	(build_call_valist, build_call_array_loc, build_call_vec): Call it.

2011-03-22  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48228
	* tree-vrp.c (vrp_visit_phi_node): Do not stop propagating
	for single-arg PHIs.

2011-03-22  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/48143
	* config/i386/sse.md (*sse2_cvtpd2dq): Add athlon_decode attribute.
	(*sse2_cvttpd2dq, sse2_cvtss2sd, *sse2_cvtpd2ps,
	sse2_cvtps2pd): Likewise.

2011-03-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* recog.c (canonicalize_change_group): Use validate_unshare_change.

2011-03-22  Richard Guenther  <rguenther@suse.de>

	* gimple.c (gimple_rhs_class_table): POLYNOMIAL_CHREC is not
	a valid RHS.  Make DOT_PROD_EXPR and REALIGN_LOAD_EXPR ternary.
	* tree-cfg.c (verify_gimple_assign_ternary): Allow DOT_PROD_EXPR
	and REALIGN_LOAD_EXPR.
	(verify_gimple_assign_single): Do not allow POLYNOMIAL_CHREC,
	DOT_PROD_EXPR or REALIGN_LOAD_EXPR.
	* expr.c (expand_expr_real_1): Move REALIGN_LOAD_EXPR and
	DOT_PROD_EXPR case ...
	(expand_expr_real_2): ... here.
	* gimple-pretty-print.c (dump_ternary_rhs): Handle DOT_PROD_EXPR
	and REALIGN_LOAD_EXPR.
	* tree-data-ref.c (split_constant_offset): Bail out for all CHRECs.
	* tree-vect-loop.c (vect_model_reduction_cost): Handle ternaries.
	(vect_create_epilog_for_reduction): Likewise.
	(vectorizable_reduction): Likewise.
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Adjust.
	* tree-vect-stmts.c (vectorizable_load): Likewise.

2011-03-22  Eric Botcazou  <ebotcazou@adacore.com>

	* gimplify.c (gimplify_cond_expr): Gimplify COMPOUND_EXPR conditions.

2011-03-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_delegitimize_address): Fix offset
	handling for PLTOFF/GOTOFF.

2011-03-22  Nick Clifton  <nickc@redhat.com>

	* config/i386/cygming.h (SUBTARGET_OVERRIDE_OPTIONS): Remove
	trailing backslash from the end of the macro definition.

2011-03-22  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_delegitimize_address): Handle PLTOFF
	and PLT unspecs.

2011-03-21  Richard Sandiford  <richard.sandiford@linaro.org>

	* expr.h (prepare_operand): Move to...
	* optabs.h (prepare_operand): ...here and change the insn code
	parameter from "int" to "enum insn_code".
	(insn_operand_matches): Declare.
	* expr.c (init_expr_target): Use insn_operand_matches.
	(compress_float_constant): Likewise.
	* function.c (safe_insn_predicate, assign_parm_setup_reg): Likewise.
	* optabs.c (can_compare_p, prepare_cmp_insn): Likewise.
	(emit_cmp_and_jump_insn_1, gen_add2_insn, gen_add3_insn): Likewise.
	(have_add2_insn, gen_sub2_insn, gen_sub3_insn, have_sub2_insn):
	Likewise.
	(gen_cond_trap): Likewise.
	(prepare_operand): Likewise.  Change icode to an insn_code.
	(insn_operand_matches): New function.
	* reload.c (find_reloads_address_1): Use insn_operand_matches.
	* reload1.c (gen_reload): Likewise.
	* targhooks.c (default_secondary_reload): Likewise.

2011-03-21  Uros Bizjak  <ubizjak@gmail.com>

	* config/alpha/alpha.md (unspec): New define_c_enum.
	(unspecv): Ditto.

2011-03-21  Uros Bizjak  <ubizjak@gmail.com>

	PR debug/48214
	* config/alpha/alpha.c (alpha_pad_noreturn): Do not emit an unop
	between a call and its CALL_ARG_LOCATION note.

2011-03-21  Eric Botcazou  <ebotcazou@adacore.com>

	* gimplify.c (gimplify_vla_decl): Set TREE_THIS_NOTRAP flag.

2011-03-21  Jakub Jelinek  <jakub@redhat.com>

	PR c/42544
	PR c/48197
	* c-common.c (shorten_compare): If primopN is first sign-extended
	to opN and then zero-extended to result type, set primopN to opN.

2011-03-21  Daniel Jacobowitz  <dan@codesourcery.com>

	* config/arm/unwind-arm.c (__gnu_unwind_pr_common): Correct test
	for barrier handlers.

2011-03-21  Michael Meissner  <meissner@linux.vnet.ibm.com>

	* config/rs6000/rs6000.md (UNSPEC_*, UNSPECV_*): Redefine all
	UNSPEC constants to be in the unspec enumeration, and redefine
	all UNSPECV constants to be in the unspecv enumeration, so that
	dumps print which unspec/unspec_volatile this is.
	* config/rs6000/vector.md (UNSPEC_*): Ditto.
	* config/rs6000/paired.md (UNSPEC_*): Ditto.
	* config/rs6000/vsx.md (UNSPEC_*): Ditto.
	* config/rs6000/altivec.md (UNSPEC_*, UNSPECV_*): Ditto.
	* config/rs6000/dfp.md (UNSPEC_*): Ditto.

	* config/rs6000/rs6000.md (UNSPECV_ISYNC, UNSPECV_LWSYNC): Rename
	UNSPEC_ISYNC and UNSPEC_HWSYNC to UNSPECV_ISYNC and
	UNSPECV_LWSYNC, since these are used as unspec_volatile.
	* config/rs6000/sync.md (isync, lwsync): Ditto.

2011-03-21  Richard Guenther  <rguenther@suse.de>

	* params.def (lto-min-partition): Fix typo.

2011-03-21  Richard Guenther  <rguenther@suse.de>

	PR c/47939
	* c-decl.c (grokdeclarator): Drop to the main variant only
	for array types.  Drop flag_gen_aux_info check.

2011-03-21  Richard Guenther  <rguenther@suse.de>

	PR translation/47911
	* params.def (lto-partitions): Fix typo.
	(lto-min-partition): Fix wording.

2011-03-21  Andreas Tobler  <andreast@fgznet.ch>

	* config/rs6000/t-freebsd: Remove duplication from file.

2011-03-21  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47661
	* gimple.c (is_gimple_condexpr): Use tree_could_throw_p.

2011-03-21  Richard Guenther  <rguenther@suse.de>

	PR lto/48210
	* params.def (lto-partitions): Require at least 1 partition.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* gthr-solaris.h: Remove.
	* gthr.h (_SOLARIS_THREADS): Don't include gthr-solaris.h, remove.
	* config/sol2.h (CPP_SUBTARGET_SPEC): Remove -threads support.
	(LIB_SPEC): Likewise.
	* config/sol2.opt (threads): Remove.
	* config.gcc (i[34567]86-*-solaris2*): Remove solaris threads support.
	(sparc*-*-solaris2*): Likewise.
	* configure.ac (enable_threads): Enable solaris support.
	* configure: Regenerate.
	* doc/invoke.texi (Option Summary, Solaris 2 Options): Remove -threads.
	* doc/install.texi (Configuration, --enable-threads=lib): Remove
	solaris.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config.gcc: Obsolete *-*-solaris2.8*.
	* doc/install.texi (Specific, *-*-solaris2*): Document it.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR bootstrap/48135
	* doc/install.texi (Prerequisites, Perl): Remove Glob.pm
	reference.  Solaris 8 perl works.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR bootstrap/48135
	* doc/install.texi (Prerequisites): Move jar etc. up.
	Explain support library version requirements.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR bootstrap/48135
	* doc/install.texi (Prerequisites): Move Perl to build
	requirements.  Always necessary on Solaris 2 with Sun ld.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/install.texi (Specific, alpha*-dec-osf5.1): Update for
	binutils 2.21.
	(Specific, i?86-*-solaris2.[89]): Likewise.
	(Specific, i?86-*-solaris2.10): Likewise.
	(Specific, mips-sgi-irix6): Likewise.
	(Specific, *-*-solaris2*): Remove Sun Studio download URL.
	Update for binutils 2.21.

2011-03-21  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_lto_plugin): Fix typo.
	Allow -fuse-linker-plugin for non-default plugin linker.
	* configure: Regenerate.

2011-03-21  Nicola Pero  <nicola.pero@meta-innovation.com>

	PR bootstrap/48167
	* gengtype.c (files_rules): Added rule for cp/parser.h.

2011-03-21  Jakub Jelinek  <jakub@redhat.com>

	PR target/48213
	* config/s390/s390.c (s390_delegitimize_address): Don't call
	lowpart_subreg if orig_x has BLKmode.

2011-03-21  Kai Tietz  <ktietz@redhat.com>

	PR target/12171
	* doc/plugins.texi: Adjust documentation for plugin register_callback.
	* tree.h (attribute_spec): Add new member affects_type_identity.
	* attribs.c (empty_attribute_table): Adjust attribute_spec
	initializers.
	* config/alpha/alpha.c: Likewise.
	* config/arc/arc.c: Likewise.
	* config/arm/arm.c: Likewise.
	* config/avr/avr.c: Likewise.
	* config/bfin/bfin.c: Likewise.
	* config/crx/crx.c: Likewise.
	* config/darwin.h: Likewise.
	* config/h8300/h8300.c: Likewise.
	* config/i386/cygming.h: Likewise.
	* config/i386/i386.c: Likewise.
	* config/ia64/ia64.c: Likewise.
	* config/m32c/m32c.c: Likewise.
	* config/m32r/m32r.c: Likewise.
	* config/m68hc11/m68hc11.c: Likewise.
	* config/m68k/m68k.c: Likewise.
	* config/mcore/mcore.c: Likewise.
	* config/mep/mep.c: Likewise.
	* config/microblaze/microblaze.c: Likewise.
	* config/mips/mips.c: Likewise.
	* config/rs6000/rs6000.c: Likewise.
	* config/rx/rx.c: Likewise.
	* config/sh/sh.c: Likewise.
	* config/sol2.h: Likewise.
	* config/sparc/sparc.c: Likewise.
	* config/spu/spu.c: Likewise.
	* config/stormy16/stormy16.c: Likewise.
	* config/v850/v850.c: Likewise.

2011-03-21  Chung-Lin Tang  <cltang@codesourcery.com>

	* simplify-rtx.c (simplify_binary_operation_1): Handle
	(xor (and A B) C) case when B and C are both constants.

2011-03-21  Mingjie Xing  <mingjie.xing@gmail.com>

	* tree-dfa.c (add_referenced_var): Fix typo in comment.

2011-03-20  Eric Botcazou  <ebotcazou@adacore.com>

	PR bootstrap/48168
	* config/sparc/sparc.c (sparc_delegitimize_address): Add new pattern.

2011-03-20  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/48156
	* df-core.c (df_get_bb_dirty): Use df_lr if df_live is NULL,
	assume df and df_lr are not NULL.

2011-03-20  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	PR debug/48023
	* config/arm/arm.c (create_fix_barrier): Do not emit a minipool
	between a call and its CALL_ARG_LOCATION note.

2011-03-19  Kaz Kojima  <kkojima@gcc.gnu.org>

	PR debug/48178
	* config/sh/sh.c (find_barrier): Don't emit a constant pool
	between a call and its corresponding CALL_ARG_LOCATION note.

2011-03-19  Anatoly Sokolov  <aesok@post.ru>

	* cfgcleanup.c (mark_effect): Use bitmap_set_range/bitmap_clear_range
	instead of loop. Use HARD_REGISTER_NUM_P predicate.
	* haifa-sched.c (setup_ref_regs): Ditto.
	* caller-save.c (add_used_regs_1): Ditto.
	* dse.c (look_for_hardregs): Ditto.
	* df-problems.c (df_simulate_one_insn_forwards): Ditto.
	* sched-rgn.c (check_live_1): Ditto.

2011-03-18  Joseph Myers  <joseph@codesourcery.com>

	* c-decl.c (diagnose_mismatched_decls): Give an error for
	redefining a typedef with variably modified type.

2011-03-18  Joseph Myers  <joseph@codesourcery.com>

	* c-decl.c (grokfield): Don't allow typedefs for structures or
	unions with no tag by default.
	* doc/extend.texi (Unnamed Fields): Update.

2011-03-18  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (float<SSEMODEI24:mode><X87MODEF:mode>2):
	Rewrite using indirect functions.
	(lwp_slwpcb): Ditto.
	* config/i386/sse.md (avx_vextractf128<mode>): Ditto.
	(avx_vinsertf128<mode>): Ditto.

2011-03-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_delegitimize_address): Handle GOTOFF
	unspecs.

2011-03-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_chunkify_start): Prevent literal pool
	splitting between a call and its corresponding CALL_ARG_LOCATION note.

2011-03-18  Maxim Kuvyrkov  <maxim@codesourcery.com>

	PR rtl-optimization/48170
	* gcse.c (hoist_code): Remove bogus asserts.

2011-03-18  Georg-Johann Lay  <avr@gjlay.de>

	* ira-color.c (assign_hard_reg): Honor LOCAL_REGNO in cost
	computation for	prologue/epilogue.

2011-03-18  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* Makefile.in (check-consistency): Remove.

2011-03-18  Jakub Jelinek  <jakub@redhat.com>

	PR debug/48176
	* dwarf2out.c (dwarf2out_finish): Call output_aranges even when
	arange_table_in_use is 0, but either text_section_used or
	cold_text_section_used is true.  Don't call it if
	!info_section_emitted.

2011-03-18  Anatoly Sokolov  <aesok@post.ru>

	* config/avr/avr.h (RET_REGISTER, LIBCALL_VALUE,
	FUNCTION_VALUE_REGNO_P): Remove.
	* config/avr/avr-protos.h (avr_ret_register, avr_libcall_value):
	Remove.
	* config/avr/avr.c (avr_ret_register): Make static inline.
	(avr_function_value_regno_p): New function.
	(avr_libcall_value): Make static. Add 'func' argument.
	(avr_function_value): Make static. Rename 'func' argument to
	'fn_decl_or_type', forward it to avr_libcall_value. Call
	avr_ret_register function instead of RET_REGISTER macro.
 	(TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.

2011-03-18  Jason Merrill  <jason@redhat.com>

	PR c++/23372
	* gimplify.c (gimplify_arg): Strip redundant TARGET_EXPR.

2011-03-18  Richard Guenther  <rguenther@suse.de>

	* doc/install.texi (--enable-gold): Remove.
	(--with-plugin-ld): Document.
	* doc/invoke.texi (-fuse-linker-plugin): Clarify.

2011-03-18  Andrew Pinski  <pinskia@gmail.com>

	PR middle-end/47790
	* expr.c (optimize_bitfield_assignment_op): Revamp to work
	again after expansion changes.

2011-03-18  Chung-Lin Tang  <cltang@codesourcery.com>

	* combine.c (try_combine): Do simplification only call of
	subst() on i2 even when i1 is present. Update comments.

2011-03-18  Kaz Kojima  <kkojima@gcc.gnu.org>

	* config/sh/sh.c (sh_delegitimize_address): Handle UNSPEC_SYMOFF
	and UNSPEC_PCREL_SYMOFF.

2011-03-18  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.md: Use define_c_enum for the unspec constant
	definitions.

2011-03-18  Richard Henderson  <rth@redhat.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/48161
	* expr.c (expand_expr_addr_expr_1): Use simplify_gen_binary
	instead of gen_rtx_PLUS if EXPAND_SUM or EXPAND_INITIALIZER.

2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/47725
	* combine.c (cant_combine_insn_p): Don't check zero/sign
	extended hard registers.

2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/47725
	* combine.c (cant_combine_insn_p): Check zero/sign extended
	hard registers.

2011-03-17  Anatoly Sokolov  <aesok@post.ru>

	* config/v850/v850.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
	* config/v850/v850-protos.h (v850_output_addr_const_extra): Remove.
	* config/v850/v850.c (v850_output_addr_const_extra): Make static.
	Change return type to bool.
	(TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2011-03-17  Jakub Jelinek  <jakub@redhat.com>

	PR debug/48163
	* var-tracking.c (prepare_call_arguments): If CALL target
	is a non-SYMBOL_REF CONSTANT_P, just add that into the list as
	pc instead of looking it up using cselib_lookup and use
	Pmode for it if x has VOIDmode.
	* dwarf2out.c (gen_subprogram_die): If also both first and
	second CONCAT arguments are VOIDmode, use mode of CONCAT itself.

	PR debug/48163
	* function.c (assign_parms): For data.passed_pointer parms
	use MEM of data.entry_parm instead of data.entry_parm itself
	as DECL_INCOMING_RTL.
	* dwarf2out.c (rtl_for_decl_location): Use DECL_INCOMING_RTL
	also when passed and declared mode is the same, DECL_RTL
	is a MEM with pseudo as address and DECL_INCOMING_RTL is
	a MEM too.

2011-03-16  Jeff Law  <law@redhat.com>

	PR rtl-optimization/37273
	* ira-costs.c (scan_one_insn): Detect constants living in memory and
	handle them like argument loads from stack slots.  Do not double
	count memory for memory constants and argument loads from stack slots.

2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR debug/48160
	* var-tracking.c (prepare_call_arguments): Check SUBREG.

2011-03-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/48171
	* config/i386/i386.opt: Add Save to -mavx and -mfma.

2011-03-17  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/48153
	* dwarf2out.c (mem_loc_descriptor) <case ENTRY_VALUE>: Return NULL
	if dwarf_strict.
	(gen_subprogram_die): Don't add call_site DIEs if dwarf_strict.
	Clear call_arg_locations and call_arg_loc_last always.

	PR middle-end/48152
	* var-tracking.c (prepare_call_arguments): If argument needs to be
	passed by reference, adjust argtype and mode.

2011-03-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48134
	* tree-ssa.c (insert_debug_temp_for_var_def): If we propagated
	a value make sure to fold the statement.

2011-03-17  Chung-Lin Tang  <cltang@codesourcery.com>

	PR target/43872
	* config/arm/arm.c (arm_get_frame_offsets): Adjust early
	return condition with !cfun->calls_alloca.

2011-03-17  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/48148
	* lto-cgraph.c (input_overwrite_node): Clear the abstract
	origin for decls in other ltrans units.
	(input_varpool_node): Likewise.

2011-03-17  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48165
	* tree-object-size.c (compute_object_offset): Properly return
	the offset operand of MEM_REFs as sizetype.

2011-03-17  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/48141
	* params.def (PARAM_MAX_DSE_ACTIVE_LOCAL_STORES): New.
	* dse.c: Include params.h.
	(active_local_stores_len): New variable.
	(add_wild_read, dse_step1): Clear it when setting active_local_stores
	to NULL.
	(record_store, check_mem_read_rtx): Decrease it when removing
	from the chain.
	(scan_insn): Likewise.  Increase it when adding to chain, if it
	reaches PARAM_MAX_DSE_ACTIVE_LOCAL_STORES limit, set to 1 and
	set active_local_stores to NULL before the addition.
	* Makefile.in (dse.o): Depend on $(PARAMS_H).

	PR rtl-optimization/48141
	* dse.c (record_store): If no positions are needed in an insn
	that cannot be deleted, at least unchain it from active_local_stores.

2011-03-16  Dodji Seketeli  <dodji@redhat.com>

	PR debug/47510
	* dwarf2out.c (strip_naming_typedef): Factorize out of ...
	(lookup_type_die_strip_naming_typedef): ... here.
	(get_context_die): Use it.
	(gen_typedef_die): Add a DW_AT_{,MIPS_}linkage_name attribute to
	the anonymous struct named by the naming typedef.

2011-03-16  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/48154
	* config/i386/i386.c (ix86_builtin_vectorized_function): Check
	TARGET_ROUND for BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.

2011-03-16  Jeff Law  <law@redhat.com>

	* tree-vrp.c (identify_jump_threads): Slightly simplify type
	check for operands of conditional.  Allow type to be a pointer.

2011-03-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48149
	* fold-const.c (fold_binary_loc): Fold
	COMPLEX_EXPR <REALPART_EXPR <x>, IMAGPART_EXPR <x>>.

2011-03-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/26134
	* tree-ssa.c (maybe_rewrite_mem_ref_base): Handle rewriting
	complex part accesses to REALPART_EXPR and IMAGPART_EXPR.
	(non_rewritable_mem_ref_base): Handle complex type component
	accesses, constrain offsets for vector and complex extracts
	more properly.

2011-03-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48146
	* tree-ssa-sink.c (sink_code_in_bb): Manually update virtual
	operands avoiding the need for renaming.

2011-03-16  Richard Guenther  <rguenther@suse.de>

	* gimple-fold.c (maybe_fold_reference): Open-code relevant
	constant folding.  Move MEM_REF canonicalization first.
	Rely on fold_const_aggregate_ref for initializer folding.
	* tree-ssa-ccp.c (ccp_fold): Handle constant vector extracts.

2011-03-16  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/48136
	* fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Make sure
	arg0/arg1 or their arguments are always fold converted to matching
	types.

	* var-tracking.c (prepare_call_arguments): Add ATTRIBUTE_UNUSED
	to nargs.

2011-03-16  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR lto/46944
	* configure.ac (gcc_cv_gld_major_version, gcc_cv_gld_minor):
	Handle in-tree gold.
	(ld_vers): Extract binutils version for gold.
	(gcc_cv_ld_hidden): Handle gold here.
	(gcc_cv_lto_plugin): Determine level of linker plugin support.
	* configure: Regenerate.
	* config.in: Regenerate.
	* gcc.c: Only use LTO plugin if HAVE_LTO_PLUGIN > 0, reject
	-fuse-linker-plugin otherwise.
	(LINK_PLUGIN_SPEC): Define.  Extract from LINK_COMMAND_SPEC.
	(LINK_COMMAND_SPEC): Use it.
	(main): Only look for LTOPLUGINSONAME if HAVE_LTO_PLUGIN > 0.

2011-03-16  Jakub Jelinek  <jakub@redhat.com>

	* emit-rtl.c (try_split): Don't call copy_call_info debug hook.
	* calls.c: Remove debug.h include.
	(emit_call_1): Don't call virtual_call_token debug hook.
	* dwarf2out.c (debug_dcall_section, debug_vcall_section,
	dcall_entry, vcall_entry, dcall_table, vcall_table, vcall_insn,
	vcall_insn_table, DEBUG_DCALL_SECTION, DEBUG_VCALL_SECTION,
	size_of_dcall_table, output_dcall_table, size_of_vcall_table,
	output_vcall_table, dwarf2out_direct_call, vcall_insn_table_hash,
	vcall_insn_table_eq, store_vcall_insn, lookup_vcall_insn,
	dwarf2out_virtual_call_token, dwarf2out_copy_call_info,
	dwarf2out_virtual_call): Remove.
	(dwarf2_debug_hooks): Remove direct_call, virtual_call_token,
	copy_call_info and virtual_call hooks.
	(dwarf2out_init): Don't initialize vcall_insn_table,
	debug_dcall_section and debug_vcall_section.
	(prune_unused_types): Don't mark nodes from dcall_table.
	(dwarf2out_finish): Don't output dcall or vcall tables.
	* final.c (final_scan_insn): Don't call direct_call or
	virtual_call debug hooks.
	* debug.h (struct gcc_debug_hooks): Remove direct_call,
	virtual_call_token, copy_call_info and virtual_call hooks.
	(debug_nothing_uid): Remove prototype.
	* sdbout.c (sdb_debug_hooks): Remove direct_call, virtual_call_token,
	copy_call_info and virtual_call hooks.
	* vmsdbgout.c (vmsdbg_debug_hooks): Likewise.
	* dbxout.c (dbx_debug_hooks, xcoff_debug_hooks): Likewise.
	* debug.c (do_nothing_debug_hooks): Likewise.
	(debug_nothing_uid): Remove.
	* doc/invoke.texi (-fenable-icf-debug): Remove.
	* common.opt (-fenable-icf-debug): Likewise.

	* calls.c (emit_call_1): Set MEM_EXPR on call's MEM.
	* var-tracking.c (prepare_call_arguments): Use MEM_EXPR on
	call's MEM.  Handle functions returning aggregate through a hidden
	first pointer.  For virtual calls add clobbered pc to call arguments
	chain.
	* dwarf2out.c (gen_subprogram_die): Emit
	DW_AT_GNU_call_site_target_clobbered if DW_AT_GNU_call_site_target
	can't be emitted.

	PR debug/45882
	* rtl.def (ENTRY_VALUE): Change format from "e" to "0".
	* rtl.h (ENTRY_VALUE_EXP): Define.
	* rtl.c (rtx_equal_p_cb, rtx_equal_p): Handle ENTRY_VALUE.
	* cselib.c (rtx_equal_for_cselib_p, cselib_hash_rtx): Likewise.
	* print-rtl.c (print_rtx): Likewise.
	* gengtype.c (adjust_field_rtx_def): Likewise.
	* var-tracking.c (vt_add_function_parameter): Adjust
	gen_rtx_ENTRY_VALUE uses, use ENTRY_VALUE_EXP macro.
	* dwarf2out.c (mem_loc_descriptor): Use ENTRY_VALUE_EXP macro.
	* cfgexpand.c (expand_debug_expr): If a SSA_NAME without
	partition is a default definition of a PARM_DECL, use ENTRY_VALUE
	of its DECL_INCOMING_RTL if possible, or its DECL_RTL if set.

	* final.c (final_scan_insn): Handle NOTE_INSN_CALL_ARG_LOCATION.
	Call var_location debug hook even on CALL_INSNs.
	(rest_of_clean_state): Don't print NOTE_INSN_CALL_ARG_LOCATION.
	* rtl.def (ENTRY_VALUE): New.
	* dwarf2out.c: Include cfglayout.h.
	(dwarf_stack_op_name, size_of_loc_descr, output_loc_operands,
	output_loc_operands_raw): Handle DW_OP_GNU_entry_value.
	(struct call_arg_loc_node): New type.
	(call_arg_locations, call_arg_loc_last, block_map, call_site_count,
	tail_call_site_count): New variables.
	(dwarf_tag_name): Handle DW_TAG_GNU_call_site and
	DW_TAG_GNU_call_site_parameter.
	(dwarf_attr_name): Handle DW_AT_GNU_call_site_value,
	DW_AT_GNU_call_site_data_value, DW_AT_GNU_call_site_target,
	DW_AT_GNU_call_site_target_clobbered, DW_AT_GNU_tail_call,
	DW_AT_GNU_all_tail_call_sites, DW_AT_GNU_all_call_sites
	and DW_AT_GNU_all_source_call_sites.
	(mem_loc_descriptor): Handle ENTRY_VALUE.
	(add_src_coords_attributes): Don't add enything if
	DECL_SOURCE_LOCATION is UNKNOWN_LOCATION.
	(dwarf2out_abstract_function): Save and clear call_arg_location,
	call_site_count and tail_call_site_count around dwarf2out_decl call.
	(gen_call_site_die): New function.
	(gen_subprogram_die): Emit DW_TAG_GNU_call_site DIEs for call sites.
	(gen_lexical_block_die, gen_inlined_subroutine_die): Update block_map.
	(dwarf2out_function_decl): Clear call_arg_locations,
	call_arg_loc_last, set call_site_count and tail_call_site_count
	to -1 and free block_map.
	(dwarf2out_var_location): Handle NOTE_INSN_CALL_ARG_LOCATION and
	CALL_INSNs.  Add NOTE_DURING_CALL_P var location notes even when not
	followed by any real instructions.
	(dwarf2out_begin_function): Set call_site_count and
	tail_call_site_count to 0.
	(resolve_addr): If DW_AT_abstract_origin of DW_TAG_GNU_call_site
	is dw_val_class_addr, attempt to look it up again, for DECL_EXTERNAL
	attempt to force a DIE for it and worst case remove the attribute.
	(resolve_one_addr): For TREE_CONSTANT_POOL_ADDRESS_P SYMBOL_REFs
	check TREE_ASM_WRITTEN of DECL_INITIAL of the decl instead of
	the decl itself.
	* var-tracking.c: Include tm_p.h.
	(vt_stack_adjustments): For calls call note_register_arguments.
	(argument_reg_set): New variable.
	(add_stores): For MO_VAL_SET of non-tracked regs from argument_reg_set
	ensure the VALUE is resolved.
	(call_arguments): New variable.
	(prepare_call_arguments): New function.
	(add_with_sets): For MO_CALL set u.loc from call_arguments and clear it.
	(struct expand_loc_callback_data): Add ignore_cur_loc field.
	(vt_expand_loc_callback): If ignore_cur_loc, don't look at cur_loc and
	always use the best expression.
	(vt_expand_loc): Add ignore_cur_loc argument.
	(vt_expand_loc_dummy): Clear ignore_cur_loc field.
	(emit_note_insn_var_location): Adjust vt_expand_loc callers.
	(emit_notes_in_bb) <case MO_CALL>: Add NOTE_INSN_CALL_ARG_LOCATION
	note for all calls.
	(vt_add_function_parameter): Use cselib_lookup_from_insn.
	If dv is a VALUE, enter into hash table also ENTRY_VALUE for the
	argument.  Don't call cselib_preserve_only_values and
	cselib_reset_table.
	(note_register_arguments): New function.
	(vt_initialize): Compute argument_reg_set.  Call
	vt_add_function_parameters before processing basic blocks instead of
	afterwards.  For calls call prepare_call_arguments before calling
	cselib_process_insn.
	* print-rtl.c (print_rtx): Handle NOTE_INSN_CALL_ARG_LOCATION.
	* Makefile.in (dwarf2out.o): Depend on $(CFGLAYOUT_H).
	(var-tracking.o): Depend on $(TM_P_H).
	* cfglayout.h (insn_scope): New prototype.
	* gengtype.c (adjust_field_rtx_def): Handle NOTE_INSN_CALL_ARG_LOCATION.
	* cfglayout.c (insn_scope): No longer static.
	* insn-notes.def (CALL_ARG_LOCATION): New.
	* calls.c (expand_call, emit_library_call_value_1): Put USEs for
	MEM arguments into CALL_INSN_FUNCTION_USAGE unconditionally.
	* integrate.c (set_block_origin_self, set_block_abstract_flags): Do
	nothing for DECL_EXTERNAL BLOCK_VARS.

2011-03-16  Alan Modra  <amodra@gmail.com>

	PR target/45844
	* config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
	create invalid offset address for vsx splat insn.
	* config/rs6000/predicates.md (splat_input_operand): New.
	* config/rs6000/vsx.md (vsx_splat_*): Use it.

2011-03-15  Xinliang David Li  <davidxl@google.com>

	PR c/47837
	* tree-ssa-uninit.c (pred_chain_length_cmp): New function.
	(normalize_preds): New function.
	(is_use_properly_guarded): Normalize def predicates.

2011-03-15  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

	PR target/46788
	* config/arm/arm.md (arm_movtas_ze): Use 'L' instead of 'c'
	in the output template.

2011-03-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47650
	* tree-pretty-print.c (dump_function_declaration): Properly
	dump unprototyped and varargs function types.

2011-03-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/13954
	* tree-ssa-sccvn.c (vn_reference_lookup_3): Look through memcpy
	and friends.

2011-03-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48037
	* tree-ssa.c (maybe_rewrite_mem_ref_base): Rewrite vector
	selects into BIT_FIELD_REFs.
	(non_rewritable_mem_ref_base): Check if a MEM_REF is a
	vector select.

2011-03-15  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/48129
	* builtins.c (fold_builtin_snprintf): Convert to type of
	built_in_decls[BUILT_IN_SNPRINTF] retval instead of
	implicit_built_in_decls[BUILT_IN_SNPRINTF] retval.

2011-03-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/41490
	* tree-ssa-dce.c (propagate_necessity): Handle returns without
	value but with VUSE.
	* tree-ssa-operands.c (parse_ssa_operands): Add a VUSE on all
	return statements.
	* tree-ssa-sink.c (statement_sink_location): Fix store sinking.
	* tree-ssa-phiopt.c (tree_ssa_phiopt_worker): Handle virtual PHIs.
	* tree-tailcall.c (find_tail_calls): Ignore returns.

2011-03-15  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48031
	* fold-const.c (fold_indirect_ref_1): Do not create new variable-sized
	or variable-indexed array accesses when in gimple form.

2011-03-15  Richard Guenther  <rguenther@suse.de>

	* config/i386/i386.c (ix86_emit_swdivsf): Implement more efficiently.

2011-03-15  Alan Modra  <amodra@gmail.com>

	PR target/48032
	* config/rs6000/rs6000.c (offsettable_ok_by_alignment): Do not
	presume symbol_refs without a symbol_ref_decl are suitably
	aligned, nor other trees we may see here.  Handle anchor symbols.
	(legitimate_constant_pool_address_p): Comment.  Add mode param.
	Check cmodel=medium addresses.  Adjust all calls.
	(rs6000_emit_move): Don't call offsettable_ok_by_alignment on
	creating cmodel=medium optimized access to locals.
	* config/rs6000/constraints.md (R): Pass QImode to
	legitimate_constant_pool_address_p.
	* config/rs6000/predicates.md (input_operand): Pass mode to
	legitimate_constant_pool_address_p.
	* config/rs6000/rs6000-protos.h (legitimate_constant_pool_address_p):
	Update prototype.

2011-03-14  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/48053
	* config/rs6000/rs6000.md (movdi split for 32-bit): Don't split up
	64-bit constants being loaded into registers other than GPRs such
	as loading 0 into a VSX register.

2011-03-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/sol2.c (solaris_assemble_visibility): Remove obsolete URLs.

2011-03-14  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/47917
	* builtins.c (fold_builtin_snprintf): New function.
	(fold_builtin_3): Call it for BUILT_IN_SNPRINTF.
	(fold_builtin_4): Likewise.

	PR middle-end/38878
	* fold-const.c (fold_binary_loc) <case EQ_EXPR, NE_EXPR>: Add
	STRIP_NOPS on arg0 and arg1.  When optimizing X +- C == X
	and C - X == X also strip nops from +/-/p+ operand.
	When optimizing -X == C, fold C to arg0's type.

	PR debug/47946
	* dwarf2out.c (add_bit_offset_attribute): If bit_offset is negative,
	emit it as add_AT_int instead of add_AT_unsigned.

2011-03-14  Tom Tromey  <tromey@redhat.com>

	* unwind-dw2.c: Include sys/sdt.h if it exists.
	(_Unwind_DebugHook): Use STAP_PROBE2.
	* config.in, configure: Rebuild.
	* configure.ac: Check for sys/sdt.h.

2011-03-14  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/i386.md (ROUND_FLOOR): New constant.
	(ROUND_CEIL): Ditto.
	(ROUND_TRUNC): Ditto.
	(ROUND_MXCSR): Ditto.
	(ROUND_NO_EXC): Ditto.
	(rint<mode>2): Use new defines instead of numerical constants.
	(floor<mode>2): Ditto.
	(ceil<mode>2): Ditto.
	(btrunc<mode>2): Ditto.
	* config/i386/i386-builtin-types.def: Define ROUND function type
	aliases.
	* config/i386/i386.c (enum ix86_builtins): Add
	IX86_BUILTIN_{FLOOR,CEIL,TRUNC,RINT}{PS,PD}{,256} defines.
	(struct builtin_description): Add
	__builtin_ia32_{floor,ceil,trunc,rint}{pd,ps}{,256} descriptions.
	(ix86_expand_sse_round): New static function.
	(ix86_expand_args_builtin): Call ix86_expand_sse_round for ROUND
	function types.
	(ix86_builtin_vectorized_function): Handle
	BUILT_IN_{FLOOR,CEIL,TRUNC,RINT}{,F} builtins.

2011-03-14  Tom Tromey  <tromey@redhat.com>

	* c-parser.c (c_parser_asm_string_literal): Clear
	warn_overlength_strings.

2011-03-14  Tom Tromey  <tromey@redhat.com>

	* c-parser.c (disable_extension_diagnostics): Save
	warn_overlength_strings.
	(restore_extension_diagnostics): Restore warn_overlength_strings.

2011-03-14  Jakub Jelinek  <jakub@redhat.com>

	* BASE-VER: Change to 4.7.0.

2011-03-14  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48098
	* tree.c (build_vector_from_val): Adjust assert to requirements
	and reality.

2011-03-14  Jakub Jelinek  <jakub@redhat.com>

	PR bootstrap/48102
	* graphite-cloog-compat.h (build_cloog_prog): Remove STATE parameter.

2011-03-14  Andreas Tobler  <andreast@fgznet.ch>

	* config/rs6000/freebsd.h: (RELOCATABLE_NEEDS_FIXUP): Define in
	terms of target_flags_explicit. Adjust copyright year.

	* config.gcc: Add FreeBSD PowerPC soft-float libgcc bits.
	* config/rs6000/t-freebsd: New file. Add override for
	LIB2FUNCS_EXTRA.

2011-03-13  Chris Demetriou  <cgd@google.com>

	* doc/invoke.texi (-fdiagnostics-show-option): Replace with...
	(-fno-diagnostics-show-option): this, to reflect current default.
	(-Werror=): Update text about -fno-diagnostics-show-option.

2011-03-12  Peter Bergner  <bergner@vnet.ibm.com>

	PR target/48053
	* config/rs6000/predicates.md (easy_vector_constant_add_self,
	easy_vector_constant_msb): Do not handle V2DImode and V2DFmode.
	* config/rs6000/rs6000.c (const_vector_elt_as_int): Add assert that
	mode is not V2DImode or V2DFmode.
	(vspltis_constant): Do not handle V2DImode and V2DFmode.
	(rs6000_expand_vector_init): Replace copy_to_reg with copy_to_mode_reg.
	* config/rs6000/rs6000.md (movdi_internal32): Allow setting VSX
	registers to 0.
	(movdi_internal64): Likewise.

2011-03-12  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/47127
	* graphite-clast-to-gimple.c (build_cloog_prog): Removed state
	parameter.
	(set_cloog_options): Same.
	(scop_to_clast): Same.
	(print_clast_stmt): Do not call cloog_state_malloc and
	cloog_state_free.
	(print_generated_program): Same.
	(gloog): Same.
	* graphite-clast-to-gimple.h (cloog_state): Declared.
	(scop_to_clast): Adjust declaration.
	* graphite.c (cloog_state): Defined here.
	(graphite_initialize): Call cloog_state_malloc.
	(graphite_finalize): Call cloog_state_free.

2011-03-11  Jason Merrill  <jason@redhat.com>

	* attribs.c (lookup_attribute_spec): Take const_tree.
	* tree.h: Adjust.

2011-03-11  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/sparc.c (sparc_option_override): Use
	PROCESSOR_NIAGARA2 not PROCESSOR_NIAGARA for "niagara2".

2011-03-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48067
	* tree-ssa-math-opts.c (convert_mult_to_fma): Verify the
	multiplication result will be only used once on the target
	stmt.

2011-03-11  Richard Guenther  <rguenther@suse.de>

	* doc/invoke.texi (max-inline-insns-single): Adjust default value.

2011-03-11  Richard Guenther  <rguenther@suse.de>

	PR lto/48073
	* tree.c (find_decls_types_r): Do not walk types only reachable
	from IDENTIFIER_NODEs.

2011-03-11  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/48044
	* ipa.c (cgraph_remove_unreachable_nodes): Enqueue
	all vnode->force_output nodes as needed.

2011-03-11  Jason Merrill  <jason@redhat.com>

	PR c++/48069
	* tree.c (type_hash_eq): Use COMPLETE_TYPE_P, not
	COMPLETE_OR_UNBOUND_ARRAY_TYPE_P.

2011-03-11  Martin Jambor  <mjambor@suse.cz>

	* cgraphunit.c (verify_cgraph_node): Call cgraph_get_node instead of
	cgraph_node.

2011-03-11  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/48063
	* ipa-inline.c (cgraph_decide_inlining): Don't try to
	inline functions called once if !tree_can_inline_p (node->callers).

2011-03-11  Chen Liqin  <liqin.gcc@gmail.com>

	* config.gcc (score-*-elf): Add extra_parts .., update tmake_file and
	extra_objs.
	* config/score/score3.c: Delete.
	* config/score/score3.h: Delete.
	* config/score/mul-div.S: Delete.
	* config/score/sfp-machine.h: Add new file.
	* config/score/constraints.md: Add new file.
	* config/score/t-score-softfp: Add new file.
	* config/score/t-score-elf: Remove score3.o, do not generate multilib.
	* config/score/score7.c (score7_const_ok_for_letter_p): Delete.
	(score7_extra_constraint): Delete.
	(score7_option_override): Remove unused code.
	* config/score/score.c: Remove score3 and score5 define and code.
	* config/score/score.h: Remove score3 and score5 define and code.
	* config/score/score.md: Remove score3 template and unusual insn.
	* config/score/score.opt: Remove score3 and score5 options.

2011-03-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config/pa/pa-hpux10.h (TARGET_OS_CPP_BUILTINS): Define _REENTRANT
	when _HPUX_SOURCE is defined.
	(LIB_SPEC): Use -lc instead of -lc_r when -threads is specified.

2011-03-10  Jason Merrill  <jason@redhat.com>

	PR c++/48029
	* stor-layout.c (layout_type): Don't set structural equality
	on arrays of incomplete type.
	* tree.c (type_hash_eq): Handle comparing them properly.

2011-03-10  Jakub Jelinek  <jakub@redhat.com>

	PR debug/48043
	* config/s390/s390.c (s390_delegitimize_address): Make sure the
	result mode matches original rtl mode.

2011-03-10  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.md (bitset_in_memory, bitclr_in_memory: Fix timings.
	(andsi3, andsi3_flags): Fix timings for three operand alternative.

2011-03-09  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/47866
	* expr.c (store_field): If MEM_SCALAR_P (target), don't use
	MEM_SET_IN_STRUCT_P (to_rtx, 1), just set MEM_IN_STRUCT_P (to_rtx)
	if target wasn't scalar.
	* function.c (assign_stack_temp_for_type): Assert that neither
	MEM_SCALAR_P nor MEM_IN_STRUCT_P is set previously, set either
	MEM_IN_STRUCT_P or MEM_SCALAR_P instead of using MEM_SET_IN_STRUCT_P
	macro.
	* rtl.h (MEM_SET_IN_STRUCT_P): Removed.

2011-03-09  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390-protos.h (s390_label_align): New prototype.
	* config/s390/s390.c (s390_label_align): New function.
	* config/s390/s390.h (LABEL_ALIGN): New target macro definition.

2011-03-08  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47755
	* config/rs6000/rs6000.c (easy_altivec_constant): Correctly handle
	V2DI/V2DF constants.  Only all 0's or all 1's are easy.
	(output_vec_const_move): Ditto.

2011-03-08  Anatoly Sokolov  <aesok@post.ru>

	* config/mips/mips.h (PREFERRED_RELOAD_CLASS): Remove macro.
	* config/mips/mips-protos.h (mips_preferred_reload_class): Remove.
	* config/mips/mips.c (mips_preferred_reload_class): Make static.
	Change 'rclass' argument and result type to reg_class_t.
	(TARGET_PREFERRED_RELOAD_CLASS): Define.

2011-03-08  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
	* config/avr/avr.c (TARGET_REGISTER_MOVE_COST)
	(TARGET_MEMORY_MOVE_COST): Define.
	(avr_register_move_cost, avr_memory_move_cost): New Functions.

2011-03-08  Jakub Jelinek  <jakub@redhat.com>

	PR debug/47881
	* ira.c (ira): Call df_analyze again if delete_trivially_dead_insns
	removed anything.

	PR tree-optimization/48022
	* fold-const.c (fold_comparison): Don't call fold_overflow_warning
	for EQ/NE_EXPR.

2011-03-07  Jakub Jelinek  <jakub@redhat.com>

	PR debug/47991
	* var-tracking.c (find_use_val): Return NULL for
	cui->sets && cui->store_p BLKmode MEMs.

2011-03-07  Anatoly Sokolov  <aesok@post.ru>

	* config/stormy16/stormy16.h (PRINT_OPERAND, PRINT_OPERAND_ADDRESS):
	Remove.
	* config/stormy16/stormy16-protos.h (xstormy16_print_operand,
	xstormy16_print_operand_address): Remove.
	* config/stormy16/stormy16.c (xstormy16_print_operand,
	xstormy16_print_operand_address): Make static.
	(TARGET_PRINT_OPERAND, TARGET_PRINT_OPERAND_ADDRESS): Define.

2011-03-07  Pat Haugen  <pthaugen@us.ibm.com>

	PR target/47862
	* config/rs6000/rs6000.h (HARD_REGNO_CALLER_SAVE_MODE): Define.
	* config/rs6000/e500.h (HARD_REGNO_CALLER_SAVE_MODE): Undefine
	before definition.

2011-03-07  Zdenek Dvorak  <ook@ucw.cz>

	PR bootstrap/48000
	* cfgloopmanip.c (fix_bb_placements): Return immediately
	if FROM is BASE_LOOP's header.

2011-03-07  Paul Wögerer  <paul_woegerer@mentor.com>

	* gimplify.c (gimplify_function_tree): Fix building calls
	to __builtin_return_address.

2011-03-07  Alan Modra  <amodra@gmail.com>

	* config/rs6000/linux.h (TARGET_ASM_FILE_END): Don't define.
	* config/rs6000/linux64.h (TARGET_ASM_FILE_END): Don't define.
	* config/rs6000/sysv4.h (TARGET_ASM_FILE_END): Define.
	* config/rs6000/rs6000-protos.h (init_cumulative_args): Add fndecl and
	return_mode args.
	* config/rs6000/rs6000.h (CUMULATIVE_ARGS): Add "escapes".
	(INIT_CUMULATIVE_ARGS): Pass FNDECL, VOIDmode.
	(INIT_CUMULATIVE_INCOMING_ARGS): Pass current_function_decl, VOIDmode.
	(INIT_CUMULATIVE_LIBCALL_ARGS): Pass NULL_TREE, MODE.
	* config/rs6000/rs6000.c
	(rs6000_elf_end_indicate_exec_stack): Rename to..
	(rs6000_elf_file_end): ..this.  Only call file_end_indicate_exec_stack
	for POWERPC_LINUX.  Move code emitting .gnu_attribute to here, from..
	(rs6000_file_start): ..here.
	(rs6000_passes_float, rs6000_passes_vector, rs6000_returns_struct): New
	file scope variables.
	(call_ABI_of_interest): New function.
	(init_cumulative_args): Set above vars when function return value
	is a float, vector, or small struct.
	(rs6000_function_arg_advance_1): Likewise for function args.
	(rs6000_va_start): Set rs6000_passes_float if variable arg function
	references float args.

2011-03-07  Mingjie Xing  <mingjie.xing@gmail.com>

	* doc/cfg.texi: Remove "See" before @ref.
	* doc/invoke.texi: Likewise.

2011-03-05  Jason Merrill  <jason@redhat.com>

	* doc/invoke.texi (C++ Dialect Options): Document ABI v5.

2011-03-05  Anthony Green  <green@moxielogic.com>

	* config.gcc (moxie-*-elf): Add newlib-stdint.h to tmfile.

2011-03-05  Zdenek Dvorak  <ook@ucw.cz>

	PR rtl-optimization/47899
	* cfgloopmanip.c (fix_bb_placements): Fix first argument
	to flow_loop_nested_p when moving the loop upward.

2011-03-05  Richard Earnshaw  <rearnsha@arm.com>

	PR target/47719
	* arm.md (movhi_insn_arch4):  Accept any immediate constant.

2011-03-05  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47967
	* ipa-cp.c (build_const_val): Return NULL instead of creating
	VIEW_CONVERT_EXPR for mismatching sizes.
	(ipcp_create_replace_map): Return NULL if build_const_val failed.
	(ipcp_insert_stage): If ipcp_create_replace_map returns NULL,
	give up on versioning.

2011-03-05  Alan Modra  <amodra@gmail.com>

	PR target/47986
	* config/rs6000/rs6000.c (rs6000_delegitimize_address): Handle
	full cmodel medium/large lo_sum + high addresses.

2011-03-04  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_decompose_address): Reject non-literal
	pool references in UNSPEC_LTREL_OFFSET.

2011-03-04  Jan Hubicka  <jh@suse.cz>

	PR lto/47497
	* lto-symtab.c (lto_cgraph_replace_node): Do not set thunk.alias.
	(lto_symtab_merge_cgraph_nodes_1): Update thunk.alias pointers here.
	* cgraph.h (cgraph_same_body_alias, cgraph_add_thunk):
	Add node pointers.
	* cgraph.c (cgraph_same_body_alias_1, cgraph_same_body_alias,
	cgraph_add_thunk): Add node pointers.
	* lto-cgraph.c (lto_output_node): Verify that thunks&aliases are
	associated to right node.
	(input_node): Update use of cgraph_same_body_alias
	and cgraph_add_thunk.

2011-03-04  Changpeng Fang  <changpeng.fang@amd.com>

	* config/i386/i386.opt (mprefer-avx128): New flag.
	* config/i386/i386.c (ix86_preferred_simd_mode): Prefer 128-bit AVX
	modes when the flag -mprefer-avx128 is on.

2011-03-04  Richard Sandiford  <richard.sandiford@linaro.org>

	* dwarf2out.c (compare_loc_operands): Fix address handling.

2011-03-04  Alan Modra  <amodra@gmail.com>

	* tree.h (TREE_ADDRESSABLE): Update FUNCTION_DECL comment.

2011-03-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47968
	* expmed.c (extract_bit_field_1): Prefer vector modes that
	vec_extract patterns can handle.

2011-03-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47975
	* optabs.c (optab_for_tree_code): Do not use VECTOR_MODE_P.

2011-03-04  Richard Henderson  <rth@redhat.com>

	* explow.c (emit_stack_save): Remove 'after' parameter.
	(emit_stack_restore): Likewise.
	* expr.h: Update to match.
	* builtins.c, calls.c, stmt.c: Likewise.
	* config/alpha/alpha.md, config/avr/avr.md: Likewise.
	* config/mips/mips.md, config/pa/pa.md, config/vax/vax.md: Likewise.
	* function.c (expand_function_end): Insert the emit_stack_save
	sequence before parm_birth_insn instead of after.

2011-03-03  Uros Bizjak  <ubizjak@gmail.com>

	* config/i386/sse.md (*avx_pmaddubsw128): Fix mode of VEC_SELECT RTX.
	(ssse3_pmaddubsw128): Ditto.
	(ssse3_pmaddubsw): Ditto.

2011-03-03  Steve Ellcey  <sje@cup.hp.com>

	* config/ia64/t-hpux: Add $(srcdir)/unwind-c.c to LIB2ADDEH

2011-03-03  Jakub Jelinek  <jakub@redhat.com>

	PR c/47963
	* gimplify.c (omp_add_variable): Only call omp_notice_variable
	on TYPE_SIZE_UNIT if it is a DECL.

	PR debug/47283
	* cfgexpand.c (expand_debug_expr) <case MEM_REF>: If MEM_REF
	first operand is not is_gimple_mem_ref_addr, try to fold it.
	If the operand still isn't is_gimple_mem_ref_addr, clear
	MEM_EXPR on op0.

2011-03-03  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47283
	* tree-ssa-alias.c (ptr_deref_may_alias_decl_p): Make code
	match comment.
	(refs_may_alias_p_1): For release branches return true if
	we are confused by our input.

2011-03-03  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_function_value): Rename to ...
	(s390_function_and_libcall_value): ... this.
	(s390_function_value): New function.
	(s390_libcall_value): New function.
	(TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE): Define target hooks.
	* config/s390/s390.h (FUNCTION_VALUE, LIBCALL_VALUE): Remove
	target macro definitions.
	* config/s390/s390-protos.h (s390_function_value): Remove prototype.

2011-03-02  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/freebsd64.h (CC1_SPEC): Define.
	* config/i386/linux64.h (CC1_SPEC): Define.
	* config/i386/x86-64.h (CC1_SPEC): Don't define.

2011-03-02  Anatoly Sokolov  <aesok@post.ru>

	* config/stormy16/stormy16.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
	Remove.
	* config/stormy16/stormy16.c: Include reload.h.
	(xstormy16_memory_move_cost): New function.
	(TARGET_MEMORY_MOVE_COST): Define.

2011-03-02  Richard Sandiford  <richard.sandiford@linaro.org>

	PR rtl-optimization/47925
	* cse.c (count_reg_usage): Don't ignore the SET_DEST of instructions
	with side effects.  Remove the more-specific check for volatile asms.

2011-03-02  Alan Modra  <amodra@gmail.com>

	PR target/47935
	* config/rs6000/predicates.md (lwa_operand): Check cmodel medium
	toc relative addresses for valid offsets.

2011-03-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47890
	* tree-vect-loop.c (get_initial_def_for_induction): Set
	related stmt properly.

2011-03-01  Richard Guenther  <rguenther@suse.de>

	PR lto/47924
	* lto-streamer.c (lto_record_common_node): Also register
	the canonical type.

2011-03-01  Richard Guenther  <rguenther@suse.de>

	PR lto/46911
	* lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
	Do not stream DECL_ABSTRACT_ORIGIN.
	(lto_input_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
	BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.
	* lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
	Do not stream DECL_ABSTRACT_ORIGIN.
	(lto_output_ts_block_tree_pointers): Nor BLOCK_SOURCE_LOCATION,
	BLOCK_NONLOCALIZED_VARS or BLOCK_ABSTRACT_ORIGIN.

2011-02-28  Anatoly Sokolov  <aesok@post.ru>

	* config/stormy16/stormy16.h (FUNCTION_VALUE, LIBCALL_VALUE,
	FUNCTION_VALUE_REGNO_P): Remove.
	* config/stormy16/stormy16-protos.h (xstormy16_function_value): Remove.
	* config/stormy16/stormy16.c (xstormy16_function_value): Make static.
	Add 'outgoing' argument.
	(xstormy16_libcall_value, xstormy16_function_value_regno_p): New
	function.
	(TARGET_FUNCTION_VALUE, TARGET_LIBCALL_VALUE,
	TARGET_FUNCTION_VALUE_REGNO_P): Define.

2011-02-28  Kai Tietz  <kai.tietz@onevision.com>

	PR debug/28047
	* dwarf2out.c (file_table_eq): Use filename_cmp instead of strcmp.
	(lookup_filename): Likewise.
	* final.c (remap_debug_filename): Use filename_ncmp instead of strncmp.

2011-02-28  Bernd Schmidt  <bernds@codesourcery.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/47893
	* rtl.h (ASLK_REDUCE_ALIGN, ASLK_RECORD_PAD): Define.
	(assign_stack_local_1): Change last argument type to int.
	* function.c (assign_stack_local_1): Replace reduce_alignment_ok
	argument with kind.  If bit ASLK_RECORD_PAD is not set in it,
	don't record padding space into frame_space_list nor use those areas.
	(assign_stack_local): Adjust caller.
	(assign_stack_temp_for_type): Call assign_stack_local_1 instead
	of assign_stack_local, pass 0 as last argument.
	* caller-save.c (setup_save_areas): Adjust assign_stack_local_1
	callers.

2011-02-28  Jakub Jelinek  <jakub@redhat.com>

	PR debug/47283
	* cfgexpand.c (convert_debug_memory_address): Add AS parameter.
	Use target address_mode and pointer_mode hooks instead of hardcoded
	Pmode and ptr_mode.  Handle some simple cases of extending if
	POINTERS_EXTEND_UNSIGNED < 0.
	(expand_debug_expr) <case MEM_REF, INDIRECT_REF, TARGET_MEM_REF>:
	Call convert_debug_memory_address.
	(expand_debug_expr) <case ADDR_EXPR>: Pass as to
	convert_debug_memory_address.

	PR middle-end/46790
	* configure.ac (HAVE_LD_EH_GC_SECTIONS_BUG): New test.
	* configure: Regenerated.
	* config.in: Regenerated.
	* varasm.c (default_function_section): Return NULL
	if HAVE_LD_EH_GC_SECTIONS_BUG and decl has implicit section name.

2011-02-28  Martin Jambor  <mjambor@suse.cz>

	* ipa-inline.c (cgraph_decide_inlining_of_small_functions): Fix
	the description to match the printed values.

2011-02-28  Richard Guenther  <rguenther@suse.de>

	* tree-inline.c (tree_function_versioning): Set BLOCK_SUPERCONTEXT
	of the copied scope tree.

2011-02-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/extend.texi (Function Attributes): Avoid deeply (and
	wrongly) nested tables.

2011-02-27  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/47903
	* real.c (real_arithmetic) <case PLUS_EXPR, MINUS_EXPR,
	MULT_EXPR, RDIV_EXPR>: Clear padding bits in *r first if
	r isn't op0 nor op1.

2011-02-23  Georg-Johann Lay  <avr@gjlay.de>

	* config/avr/avr.md: Remove magic comment for emacs.

2011-02-23  Georg-Johann Lay  <avr@gjlay.de>

	PR target/45261
	* config/avr/avr.c (avr_option_override): Use error on bad options.
	(avr_help): New function.
	(TARGET_HELP): Define.

2011-02-22  Georg-Johann Lay  <avr@gjlay.de>

	PR target/42240
	* config/avr/avr.c (avr_cannot_modify_jumps_p): New function.
	(TARGET_CANNOT_MODIFY_JUMPS_P): Define.

2011-02-26  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/invoke.texi (ARC Options): Use CPU instead of cpu.
	(ARM Options): Ditto.
	(i386 and x86-64 Options): Ditto.
	(RX Options): Ditto.
	(SPARC Options): Ditto.

2011-02-26  Tijl Coosemans  <tijl@coosemans.org>

	* config.gcc (i386-*-freebsd*): Make i486 the default arch on
	FreeBSD 6 and later.  Generally use cpu generic.

2011-02-25  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/cpp.texi: Update copyright years.

2011-02-25  Sebastien Bourdeauducq  <sebastien@milkymist.org>

	PR target/46898
	* config/lm32/lm32.md (ashrsi3): Added needed variable.

2011-02-25  Jon Beniston  <jon@beniston.com>

	PR target/46898
	* config/lm32/lm32.h (INCOMING_RETURN_ADDR_RTX): New.
	* config/lm32/lm32.md (ashlsi3): Remove unused variable.
	* config/lm32/lm32.c (TARGET_EXCEPT_UNWIND_INFO): New.
	(lm32_block_move_inline): Add type cast to remove warning.
	(lm32_expand_prologue): Generate fp in a way compatible with dwarf2out.
	(gen_int_relational): Move declarations to start of function.

2011-02-25  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/45470
	* tree-vect-data-refs.c (vect_analyze_data_refs): Fail if a statement
	can throw internally only.
	* tree-vect-stmts.c (vectorizable_call): Likewise.

2011-02-24  Anatoly Sokolov  <aesok@post.ru>

	* config/stormy16/stormy16.h (PREFERRED_RELOAD_CLASS,
	PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
	* config/stormy16/stormy16-protos.h
	(xstormy16_preferred_reload_class): Remove.
	* config/stormy16/stormy16.c (xstormy16_preferred_reload_class): Make
	static. Change 'rclass' argument and return type to reg_class_t.
	(TARGET_PREFERRED_RELOAD_CLASS,
	TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.

2011-02-24  Richard Guenther  <rguenther@suse.de>

	* lto-streamer-in.c (input_bb): Do not find referenced vars
	in debug statements.

2011-02-23  Jason Merrill  <jason@redhat.com>

	* common.opt (fabi-version): Document v5 and v6.

2011-02-23  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47849
	* tree-if-conv.c (main_tree_if_conversion): Free postdom info.

2011-02-23  Jie Zhang  <jie@codesourcery.com>

	* opts-common.c (decode_cmdline_option): Print empty string
	argument as "" in decoded->orig_option_with_args_text.
	* gcc.c (execute): Print empty string argument as ""
	in the verbose output.
	(do_spec_1): Keep empty string argument.

2011-02-23  Nathan Froyd  <froydnj@codesourcery.com>

	* config.gcc: Declare score-* and crx-* obsolete.

2011-02-23  Jie Zhang  <jie@codesourcery.com>

	PR rtl-optimization/47763
	* web.c (web_main): Ignore naked clobber when replacing register.

2011-02-22  Anatoly Sokolov  <aesok@post.ru>

	* config/stormy16/stormy16.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P):
	Remove.

2011-02-22  Sebastian Pop  <sebastian.pop@amd.com>

	PR doc/47848
	* doc/invoke.texi: Do not mention -ftree-loop-if-convert-memory-writes.

2011-02-22  Mike Stump  <mikestump@comcast.net>

	* acinclude.m4 (gcc_cv_gas_vers): Add -arch ppc for probing darwin
	assembler.
	* configure: Regenerate.

2011-02-21  Chung-Lin Tang  <cltang@codesourcery.com>

	PR rtl-optimization/46002
	* ira-color.c (update_copy_costs): Change class intersection
	test to reg_class_contents[] test of 'hard_regno'.

2011-02-21  Joseph Myers  <joseph@codesourcery.com>

	* config/alpha/osf5.opt (mno-mips-tfile): Mark as Target rather
	than Driver option.
	* config/hpux11.opt (mt): Likewise.
	* config/microblaze/microblaze.opt (mxl-mode-xilkernel): Likewise.
	* config/rs6000/xilinx.opt (mno-clearbss, mppcperflib): Likewise.
	* config/vax/elf.opt (mno-asm-pic): Likewise.
	* config/vms/vms.opt (map, mvms-return-codes): Likewise.

2011-02-21  Mike Stump  <mikestump@comcast.net>

	PR target/47822
	* config/darwin-protos.h (darwin_init_cfstring_builtins): Return a
	tree so we can get save the type.
	* config/i386/darwin.h (SUBTARGET_INIT_BUILTINS): Reserve builtin slot
	for CFString instead of trying to use past the end of the builtins.
	* config/i386/i386.c (IX86_BUILTIN_CFSTRING): Likewise.
	* config/rs6000/rs6000-builtin.def (RS6000_BUILTIN_CFSTRING): Likewise.
	* config/rs6000/darwin.h (SUBTARGET_INIT_BUILTINS): Likewise.
	* config/darwin.c (DARWIN_BUILTIN_CFSTRINGMAKECONSTANTSTRING):
	Rename to darwin_builtin_cfstring.
	(darwin_init_cfstring_builtins): Return the built type.

2011-02-21  Uros Bizjak  <ubizjak@gmail.com>

	PR target/47840
	* config/i386/avxintrin.h (_mm256_insert_epi32): Use _mm_insert_epi32.
	(_mm256_insert_epi64): Use _mm_insert_epi64.

2011-02-21  Anatoly Sokolov  <aesok@post.ru>

	* config/stormy16/stormy16.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
	* config/stormy16/stormy16-protos.h
	(xstormy16_mode_dependent_address_p): Remove.
	* config/stormy16/stormy16.c (xstormy16_mode_dependent_address_p):
	Make static. Change return type to bool. Change argument type to
	const_rtx. Remove dead code.
	(TARGET_MODE_DEPENDENT_ADDRESS_P): Define.

2011-02-21  Richard Guenther  <rguenther@suse.de>

	PR lto/47820
	* lto-streamer-in.c (lto_input_ts_decl_common_tree_pointers):
	Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.
	(lto_input_ts_block_tree_pointers): Hook a BLOCK into the
	TUs context.
	* lto-streamer-out.c (lto_output_ts_decl_common_tree_pointers):
	Do not stream DECL_INITIAL for TRANSLATION_UNIT_DECLs.

2011-02-20  Richard Guenther  <rguenther@suse.de>

	PR lto/47822
	* tree.c (free_lang_data_in_decl): Clean builtins from
	the TU decl BLOCK_VARS.

2011-02-19  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47620
	PR debug/47630
	* haifa-sched.c (fix_tick_ready): Skip tick computation
	for debug insns.

2011-02-19  Richard Guenther  <rguenther@suse.de>

	PR lto/47647
	* lto-streamer-in.c (lto_input_ts_decl_minimal_tree_pointers):
	Remove lazy BLOCK_VARS streaming.
	(lto_input_ts_block_tree_pointers): Likewise.
	* lto-streamer-out.c (lto_output_ts_block_tree_pointers): Likewise.

2011-02-19  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (i[34567]86-pc-msdosdjgpp*): Use i386/djgpp-stdint.h.

2011-02-19  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/biarch32.h, config/i386/mach.h,
	config/rs6000/aix.opt, config/sh/superh64.h: Remove.

2011-02-19  Jakub Jelinek  <jakub@redhat.com>

	PR target/47800
	* config/i386/i386.md (peephole2 for shift and plus): Use
	operands[1] original mode in the first insn.

2011-02-18  Mike Stump  <mikestump@comcast.net>

	* config/t-darwin (TM_H): Add dependency on darwin-sections.def.

2011-02-18  Jan Hubicka  <jh@suse.cz>

	PR middle-end/47788
	* ipa-inline.c (compute_inline_parameters): Set disregard_inline_limits
	to zero when the function is not inlinable at all.

2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config.gcc (hppa[12]*-*-hpux11*): Set extra_parts.
	* config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
	pthread_mutex_unlock, pthread_once): Reinstate pthread stubs.
	* config/pa/t-pa-hpux11: Add rules to build pthread stubs.
	* config/pa/t-pa64: Likewise.
	* config/pa/pa-hpux11.h (LINK_GCC_C_SEQUENCE_SPEC): Define.

2011-02-18  Jakub Jelinek  <jakub@redhat.com>

	PR driver/47787
	* gcc.c (default_compilers): Clear combinable field for "@cpp-output".

2011-02-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	PR target/47792
	* gthr-dce.h (__gthread_mutx_destroy): Fix typo in name.

2011-02-18  Anatoly Sokolov  <aesok@post.ru>

	* config/m32r/m32r.h (REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
	RTX_OK_FOR_BASE_P, RTX_OK_FOR_OFFSET_P, LEGITIMATE_OFFSET_ADDRESS_P,
	LEGITIMATE_LO_SUM_ADDRESS_P, LOAD_POSTINC_P, STORE_PREINC_PREDEC_P,
	GO_IF_LEGITIMATE_ADDRESS): Remove macros.
	* config/m32r/m32r.c (TARGET_LEGITIMATE_ADDRESS_P): Define.
	(m32r_rtx_ok_for_base_p, m32r_rtx_ok_for_offset_p,
	m32r_legitimate_offset_addres_p, m32r_legitimate_lo_sum_addres_p,
	m32r_load_postinc_p, m32r_store_preinc_predec_p,
	m32r_legitimate_address_p): New functions.
	* config/m32r/constraints.md (constraint "S"): Don't use
	STORE_PREINC_PREDEC_P.
	(constraint "U"): Don't use LOAD_POSTINC_P.

2011-02-18  Chung-Lin Tang  <cltang@codesourcery.com>

	PR rtl-optimization/46178
	* ira.c (setup_hard_regno_class): Use ira_class_translate[] to
	compute ira_hard_regno_cover_class[].

2011-02-18  Richard Guenther  <rguenther@suse.de>

	PR lto/47798
	* lto-streamer.h (lto_global_var_decls): Declare.
	* lto-streamer-in.c (lto_register_var_decl_in_symtab): Register
	statics for global var processing.

2011-02-18  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47737
	* tree-ssa-loop-im.c (extract_true_false_args_from_phi): Fix
	edge dominance check.

2011-02-18  Jakub Jelinek  <jakub@redhat.com>

	PR debug/47780
	* cfgexpand.c (expand_debug_expr) <case SSA_NAME>: Call copy_rtx to
	avoid invalid rtx sharing.

2011-02-18  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/cpp.texi (Obsolete Features): Add background on the
	origin of assertions.

2011-02-17  Iain Sandoe  <iains@gcc.gnu.org>

	* config/darwin-c.c (darwin_cpp_builtins): Define __OBJC2__ for
	objc_abi == 2.
	* config/darwin.c (output_objc_section_asm_op): Added support for
	ABI v1 and v2.
	(is_objc_metadata): New.
	(darwin_objc2_section): New.
	(darwin_objc1_section): New.
	(machopic_select_section): Added support for ABI v1 and v2.
	(darwin_emit_objc_zeroed): New.
	(darwin_output_aligned_bss): Detect objc metadata and treat it
	appropriately.
	(darwin_asm_output_aligned_decl_common): Same.
	(darwin_asm_output_aligned_decl_local): Same.
	* config/darwin-sections.def: Updated for ABI v1 and v2.
	* config/darwin.h (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): When
	compiling Objective-C code for the NeXT runtime, default to using
	ABI version 0 for 32-bit, and version 2 for 64-bit.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

	* common.opt (optimize_fast): New Variable.
	* opts.c (default_options_optimization): Use opts->x_optimize_fast
	instead of local variable ofast.

2011-02-17  Nicola Pero  <nicola.pero@meta-innovation.com>

	* doc/invoke.texi (fobjc-abi-version): Documented.
	(fobjc-nilcheck): Documented.
	(fno-nil-receiver): Updated documentation to refer to the NeXT ABI
	version.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

	PR driver/47390
	* common.opt (export-dynamic): New Driver option.
	* gcc.c (LINK_COMMAND_SPEC): Add comment about %{e*}.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

	* config/rx/rx.h (LIB_SPEC): Match -msim not -msim*.

2011-02-17  Alexandre Oliva  <aoliva@redhat.com>
	    Jan Hubicka  <jh@suse.cz>

	PR debug/47106
	PR debug/47402
	* cfgexpand.c (account_used_vars_for_block): Remove.
	(estimated_stack_frame_size): Use referenced vars.
	* tree-inline.c (remap_decl): Only mark VAR_DECLs as referenced
	that were referenced in the original function.  Test src_fn
	rather than cfun.  Drop redundant get_var_ann.
	(setup_one_parameter): Drop redundant get_var_ann.
	(declare_return_variable): Likewise.
	(copy_decl_for_dup_finish): Mark VAR_DECLs referenced in src_fn.
	(copy_arguments_for_versioning): Drop redundant get_var_ann.
	* ipa-inline.c (compute_inline_parameters): Do not compute
	disregard_inline_limits here.
	(compute_inlinable_for_current, pass_inlinable): New.
	(pass_inline_parameters): Require PROP_referenced_vars.
	* cgraphunit.c (cgraph_process_new_functions): Don't run
	compute_inline_parameters explicitly unless function is in SSA form.
	(cgraph_analyze_function): Set .disregard_inline_limits.
	* tree-sra.c (convert_callers): Compute inliner parameters
	only for functions already in SSA form.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/sparc.h (CPP_ENDIAN_SPEC): Don't handle
	-mlittle-endian-data.

2011-02-17  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/linux64.h (OPTION_DEFAULT_SPECS): Match -mfpu and
	-mno-fpu, not -fpu and -no-fpu.
	* config/sparc/sol2-bi.h (OPTION_DEFAULT_SPECS): Likewise.
	* config/sparc/sparc.h (OPTION_DEFAULT_SPECS): Likewise.

2011-02-17  Uros Bizjak  <ubizjak@gmail.com>

	PR target/43653
	* config/i386/i386.c (ix86_secondary_reload): Handle SSE
	input reload with PLUS RTX.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

	* config/mips/mips.opt (mno-mdmx): Use Var(TARGET_MDMX, 0) instead
	of InverseVar(MDMX).

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

	* config/sh/embed-elf.h (LIBGCC_SPEC): Match -m4-340 instead of
	--m4-340.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

	* config/mn10300/mn10300.opt (mno-crt0): New.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

	* config/m68k/uclinux.opt (static-libc): New Driver option.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

	* config/m32c/m32c.h (LIB_SPEC): Match -msim not -msim*.

2011-02-16  Joseph Myers  <joseph@codesourcery.com>

	* config/lm32/lm32.h (ASM_SPEC): Use %{muser-enabled} instead of
	%{muser-extend-enabled}.

2011-02-16  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47738
	* tree-ssa-loop.c (run_tree_predictive_commoning): Return
	the TODO from tree_predictive_commoning.

2011-02-15  Jeff Law  <law@redhat.com>

	Revert
	2011-01-25  Jeff Law  <law@redhat.com>

	PR rtl-optimization/37273
	* ira-costs.c (scan_one_insn): Detect constants living in memory and
	handle them like argument loads from stack slots.  Do not double
	count memory for memory constants and argument loads from stack slots.

2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/47725
	* combine.c (cant_combine_insn_p): Revert the last change.

2011-02-15  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47755
	* config/rs6000/predicates.md (easy_vector_constant): Allow V2DI
	mode for vector constants.  Remove code that checks for TImode.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47106
	PR debug/47402
	* cgraph.h (compute_inline_parameters): Return void.
	* ipa-inline.c (compute_inline_parameters): Adjust.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47106
	PR debug/47402
	* tree-inline.h (estimated_stack_frame_size): Take cgraph node
	rather than decl.
	* cfgexpand.c (estimated_stack_frame_size): Likewise.
	* ipa-inline.c (compute_inline_parameters): Adjust.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47106
	PR debug/47402
	* tree-flow.h (FOR_EACH_REFERENCED_VAR): Add FN argument.
	Adjust all users.  Pass FN to...
	* tree-flow-inline.h (first_referenced_var): ... this.  Add
	fn argument.
	* ipa-struct-reorg.c: Adjust.
	* tree-dfa.c: Adjust.
	* tree-into-ssa.c: Adjust.
	* tree-sra.c: Adjust.
	* tree-ssa-alias.c: Adjust.
	* tree-ssa-live.c: Adjust.
	* tree-ssa.c: Adjust.
	* tree-ssanames.c: Adjust.
	* tree-tailcall.c: Adjust.

2011-02-15  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47106
	PR debug/47402
	* tree-flow.h (referenced_var_lookup): Add fn parameter.
	Adjust all callers.
	* tree-dfa.c (referenced_var_lookup): Use fn instead of cfun.
	* tree-flow-inline.h: Adjust.
	* gimple-pretty-print.c: Adjust.
	* tree-into-ssa.c: Adjust.
	* tree-ssa.c: Adjust.
	* cfgexpand.c: Adjust.

2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>

	* config/iq2000/i2000.h (REG_CLASS_FROM_LETTER): Delete.
	(CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
	(EXTRA_CONSTRAINT): Delete.
	* config/iq2000/constraints.md: New file.
	* config/iq2000/iq2000.md: Include it.
	(define_insn ""): Delete.
	(movsi_internal2, movhi_internal2, movqi_internal2): Delete
	unsupported constraint letters from patterns.
	(call_value, call_value_internal1): Likewise.
	(call_value_multiple_internal1): Likewise.

2011-02-15  Nick Clifton  <nickc@redhat.com>

	* config/mn10300/mn10300.c: Include tm-constrs.h.
	(struct liw_data): New data structure describing an LIW candidate
	instruction.
	(extract_bundle): Use struct liw_data.  Allow small integer
	operands for some instructions.
	(check_liw_constraints): Use struct liw_data.  Remove swapped
	parameter.  Add comments describing the checks.  Fix bug when
	assigning the source of liw1 to the source of liw2.
	(liw_candidate): Delete.  Code moved into extract_bundle.
	(mn10300_bundle_liw): Use struct liw_data.  Check constraints
	before swapping.
	* config/mn10300/predicates.md (liw_operand): New predicate.
	Allows registers and small integer constants.
	* config/mn10300/constraints.md (O): New constraint.  Accetps
	integers in the range -8 to +7 inclusive.
	* config/mn10300/mn10300.md (movesi_internal): Add an alternative
	for moving a small integer into a register.  Give this alternative
	LIW attributes.
	(addsi3, subsi3, cmpsi, lshrsi3, ashrsi3): Likewise.
	(ashlsi3): Likewise, plus give LIW attributes to the alternatives
	using the J,K,L and M constraints,
	(liw): Remove SI mode on second operands to allow for HI and QI
	mode values.
	(cmp_liw, liw_cmp): Likewise.  Plus fix order of operands in the
	instruction.

2011-02-15  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/47725
	* combine.c (cant_combine_insn_p): Check zero/sign extended
	hard registers.

2011-02-15  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47743
	* tree-ssa-pre.c (phi_translate_1): If we didn't get a value-number
	for a non-type-compatible VN lookup bail out.

2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>

	* config/fr30/constraints.md: New file.
	* config/fr30/fr30.md: Include it.
	* config/fr30/fr30.h (REG_CLASS_FROM_LETTER): Delete.
	(CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
	(EXTRA_CONSTRAINT): Delete.

2011-02-15  Nathan Froyd  <froydnj@codesourcery.com>

	* config/frv/constraints.md: New file.
	* config/frv/predicates.md: Include it.
	* config/frv/frv.c (reg_class_from_letter): Delete.
	(frv_option_override): Don't initialize it.
	* config/frv/frv.h (REG_CLASS_FROM_LETTER): Delete.
	(CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K): Delete.
	(CONST_OK_FOR_L, CONST_OK_FOR_M, CONST_OK_FOR_N): Delete.
	(CONST_OK_FOR_O, CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
	(CONST_DOUBLE_OK_FOR_G, CONST_DOUBLE_OK_FOR_H): Delete.
	(CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
	(EXTRA_CONSTRAINT_FOR_Q, EXTRA_CONSTRAINT_FOR_R): Delete.
	(EXTRA_CONSTRAINT_FOR_S, EXTRA_CONSTRAINT_FOR_T): Delete.
	(EXTRA_CONSTRAINT_FOR_U, EXTRA_CONSTRAINT): Delete.
	(EXTRA_MEMORY_CONSTRAINT, CONSTRAINT_LEN): Delete.
	(REG_CLASS_FROM_CONSTRAINT): Delete.

2011-02-15  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/47581
	* config/i386/i386.c (ix86_compute_frame_size): Don't align offset
	if frame size is 0 in a leaf function.

2011-02-15  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR pch/14940
	* config/alpha/host-osf.c: New file.
	* config/alpha/x-osf: New file.
	* config.host (alpha*-dec-osf*): Use it.

2011-02-14  Anatoly Sokolov  <aesok@post.ru>

	* config/rx/rx.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
	* config/rx/rx-protos.h (rx_is_mode_dependent_addr): Remove.
	* config/xtensa/xtensa.c (rx_is_mode_dependent_addr): Rename to...
	(rx_mode_dependent_address_p): ...this. Make static. Change argument
	type to const_rtx.
	(TARGET_MODE_DEPENDENT_ADDRESS_P): Define.

2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>

	* config/stormy16/constraints.md: New file.
	* config/stormy16/predicates.md (nonimmediate_nonstack_operand):
	Use satisfies_constraint_Q and satisfies_constraint_R.
	* config/stormy16/stomry16-protos.h (xstormy16_extra_constraint_p):
	Delete.
	(xstormy16_legitiamte_address_p): Declare.
	* config/stormy16/stormy16.h (REG_CLASS_FROM_LETTER): Delete.
	(CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
	(EXTRA_CONSTRAINT): Delete.
	* config/stormy16/stormy16.c (xstormy16_legitimate_address_p):
	Un-staticize.
	(xstormy16_extra_constraint_p): Delete.

2011-02-14  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/46494
	* loop-unroll.c (split_edge_and_insert): Adjust comment.
	* loop-init.c (loop_optimizer_finalize): Do not call verify_flow_info.
	(pass_rtl_loop_done): Add TODO_verify_flow.
	* fwprop.c (pass_rtl_fwprop): Likewise.
	* modulo-sched.c (pass_sms): Likewise.
	* tree-ssa-dom.c (pass_dominator): Likewise.
	* tree-ssa-loop-ch.c (pass_ch): Likewise.
	* tree-ssa-loop.c (pass_complete_unrolli): Likewise.
	(pass_tree_loop_done): Likewise.
	* tree-ssa-pre.c (execute_pre): Likewise.
	* tree-ssa-reassoc.c (pass_reassoc): Likewise.
	* tree-ssa-sink.c (pass_sink_code): Likewise.
	* tree-vrp.c (pass_vrp): Likewise.

2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>

	* config/v850/constraints.md: New file.
	* config/v850/v850.md: Include it.
	* config/v850/predicates.md (reg_or_0_operand): Use
	satisfies_constraint_G.
	(special_symbolref_operand): Use satisfies_constraint_K.
	* config/v850/v850.h (CONSTANT_ADDRESS_P): Use constraint_satisfied_p.
	(GO_IF_LEGITIMATE_ADDRESS): Likewise.
	(REG_CLASS_FROM_LETTER, INT_7_BITS, INT_8_BITS): Delete.
	(CONST_OK_FOR_P, CONST_OK_FOR_LETTER_P): Delete.
	(EXTRA_CONSTRAINT): Delete.
	(CONST_OK_FOR_I, CONST_OK_FOR_J): Use insn_const_int_ok_for_constraint.
	(CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M): Likewise.
	(CONST_OK_FOR_N, CONST_OK_FOR_O): Likewise.

2011-02-14  Anatoly Sokolov  <aesok@post.ru>

	PR target/47696
	* config/avr/avr-devices.c (avr_mcu_types): Fix ATmega2560 device
	description.

2011-02-14  Nathan Froyd  <froydnj@codesourcery.com>

	* config/mcore/constraints.md: New file.
	* config/mcore/mcore.md: Include it.
	* config/mcore/mcore.c (reg_class_from_letter): Delete.
	* config/mcore/mcore.h (reg_class_from_letter): Delete.
	(REG_CLASS_FROM_LETTER): Delete.
	(CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_L): Use
	insn_const_int_ok_for_constraint.
	(CONST_OK_FOR_K, CONST_OK_FOR_M, CONST_OK_FOR_N): Likewise.
	(CONST_OK_FOR_O, CONST_OK_FOR_P): Likewise.
	(CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
	(EXTRA_CONSTRAINT): Delete.

2011-02-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR ada/41929
	* config/sparc/sol2-unwind.h: Include <sys/frame.h>, <sys/stack.h>
	(IS_SIGHANDLER): Define.
	(sparc64_is_sighandler): New function, split off from
	sparc64_fallback_frame_state.
	(sparc_is_sighandler): New function, split off from
	sparc_fallback_frame_state.
	(sparc64_fallback_frame_state): Merge with ...
	(sparc_fallback_frame_state): ... this into ...
	(MD_FALLBACK_FRAME_STATE_FOR): ... this.
	Change new_cfa to long.  Remove regs_off, fpu_save_off, fpu_save.
	Define nframes, mctx.  Use IS_SIGHANDLER, handler_args, mctx, walk
	stack instead of hardcoded offsets.

2011-02-14  Andriy Gapon  <avg@freebsd.org>

	PR target/45808
	* config/freebsd-spec.h (FBSD_LIB_SPEC): Handle the shared case.

2011-02-13  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* configure: Regenerate.

2011-02-12  Joseph Myers  <joseph@codesourcery.com>

	PR driver/45731
	* gcc.c (asm_options): Correct spec matching --target-help.

2011-02-12  Martin Jambor  <mjambor@suse.cz>

	* tree-cfg.c (verify_gimple_call): Return true upon invalid argument
	to gimple call error.

2011-02-12  Mike Stump  <mikestump@comcast.net>

	* config/frv/frv.h (TRANSFER_FROM_TRAMPOLINE): Canonicalize
	comments in backslash regions.

2011-02-12  Mike Stump  <mikestump@comcast.net>
	    Jakub Jelinek  <jakub@redhat.com>
	    Iain Sandoe  <iains@gcc.gnu.org>

	PR target/47324
	* dwarf2out.c (output_cfa_loc): When required, apply the
	DWARF2_FRAME_REG_OUT macro to adjust register numbers.
	(output_loc_sequence): Likewise.
	(output_loc_operands_raw): Likewise.
	(output_loc_sequence_raw): Likewise.
	(output_cfa_loc): Likewise.
	(output_loc_list): Suppress register number adjustment when
	calling output_loc_sequence()
	(output_die): Likewise.

2011-02-12  Anatoly Sokolov  <aesok@post.ru>

	* config/xtensa/xtensa.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST):
	Remove macros.
	* config/xtensa/xtensa.c (xtensa_register_move_cost,
	xtensa_memory_move_cost): New functions.
	(TARGET_REGISTER_MOVE_COST, TARGET_REGISTER_MOVE_COST): Define.

2011-02-12  Alexandre Oliva  <aoliva@redhat.com>

	PR lto/47225
	* configure.ac (gcc_cv_lto_plugin): Test for liblto_plugin.la
	in the current directory.
	* configure: Rebuilt.

2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>

	* config/darwin.c (darwin_override_options): Add a hunk missed
	from the commit of r168571.  Trim comment line lengths and
	correct indents of the preceding block.

2011-02-12  Iain Sandoe  <iains@gcc.gnu.org>

	* gcc.c (driver_handle_option): Concatenate the argument to -F with
	the switch.

2011-02-11  Joseph Myers  <joseph@codesourcery.com>

	* common.opt (nostartfiles): New Driver option.

2011-02-11  Xinliang David Li  <davidxl@google.com>

	PR tree-optimization/47707
	* tree-chrec.c (convert_affine_scev): Keep type precision.

2011-02-11  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/47420
	* ipa-split.c (visit_bb): Punt on any kind of GIMPLE_RESX.

2011-02-11  Pat Haugen  <pthaugen@us.ibm.com>

	PR rtl-optimization/47614
	* rtl.h (check_for_inc_dec): Declare.
	* dse.c (check_for_inc_dec): Externalize...
	* postreload.c (reload_cse_simplify): ...use it before deleting stmt.
	(reload_cse_simplify_operands): Don't simplify opnds with side effects.

2011-02-11  Joseph Myers  <joseph@codesourcery.com>

	PR driver/47678
	* gcc.c (main): Do not compile inputs if there were errors in
	option handling.
	* opts-common.c (read_cmdline_option): Check for wrong language
	after other error checks.

2011-02-11  Nathan Froyd  <froydnj@codesourcery.com>

	* cgraph.c: Fix comment typos.
	* cgraph.h: Likewise.
	* cgraphunit.c: Likewise.
	* ipa-cp.c: Likewise.
	* ipa-inline.c: Likewise.
	* ipa-prop.c: Likewise.
	* ipa-pure-const.c: Likewise.
	* ipa-ref.c: Likewise.
	* ipa-reference.c: Likewise.

2011-02-11  Jakub Jelinek  <jakub@redhat.com>

	PR debug/47684
	* tree-predcom.c (single_nonlooparound_use): Ignore debug uses.

2011-02-11  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR testsuite/47400
	* doc/sourcebuild.texi (Require Support): Document
	dg-require-ascii-locale.

2011-02-11  Mingjie Xing  <mingjie.xing@gmail.com>

	* doc/lto.texi (Write summary): Fix missing parentheses.

2011-02-10  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.c (m32c_option_override): Disable
	-fcombine-stack-adjustments until flag value tracking and compare
	optimization can be rewritten.

2011-02-10  Peter Bergner  <bergner@vnet.ibm.com>

	* config/rs6000/linux64.h (PROCESSOR_DEFAULT): Change to
	PROCESSOR_POWER7.
	(PROCESSOR_DEFAULT64): Likewise.

2011-02-10  Richard Henderson  <rth@redhat.com>

	* config/rx/predicates.md (rx_zs_comparison_operator): Revert
	change from 2011-02-03.
	* config/rx/rx.c (flags_from_code): Likewise.
	(rx_print_operand) ['B']: For LT/GE, use lt/ge if overflow flag
	is valid, n/pz otherwise.
	(rx_select_cc_mode): Return CCmode if Y is not zero.

2011-02-10  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (bitpos_of_field): Use BITS_PER_UNIT, not 8.

2011-02-10  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47677
	* tree-vrp.c (vrp_bitmap_equal_p): Fix comparison of empty bitmaps.

2011-02-10  Jakub Jelinek  <jakub@redhat.com>

	PR target/47665
	* combine.c (make_compound_operation): Only change shifts into
	multiplication for SCALAR_INT_MODE_P.

2011-02-10  Jie Zhang  <jie@codesourcery.com>

	PR testsuite/47622
	Revert
	2011-02-05  Jie Zhang  <jie@codesourcery.com>
	PR debug/42631
	* web.c (entry_register): Don't clobber the number of the
	first uninitialized reference in used[].

2011-02-09  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47664
	* ipa-inline.c (cgraph_decide_inlining_incrementally): Visit
	all edges again.

2011-02-09  David Edelsohn  <dje.gcc@gmail.com>

	PR target/46481
	PR target/47032
	* config/rs6000/aix61.h (PROCESSOR_DEFAULT): Change to
	PROCESSOR_POWER7.
	(PROCESSOR_DEFAULT64): Same.
	(RS6000_DEFAULT_LONG_DOUBLE_SIZE): Delete.

2011-02-09  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/mips/iris6.h (TARGET_C99_FUNCTIONS): Define.

2011-02-09  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/45505
	* tree-sra.c (struct access): New flags grp_scalar_read and
	grp_scalar_write.  Changed description of assignment read and write
	flags.
	(dump_access): Dump new flags, reorder all of them.
	(sort_and_splice_var_accesses): Set the new flag accordingly, use them
	to detect multiple scalar reads.
	(analyze_access_subtree): Use the new scalar read write flags instead
	of the old flags.  Adjusted comments.

2011-02-08  DJ Delorie  <dj@redhat.com>

	PR target/47548
	* config/m32c/m32c.c (m32c_subreg): Don't try to validate interim
	patterns.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/m68k/uclinux.opt: New.
	* config.gcc (m68k-*-uclinux*): Use m68k/uclinux.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/cris/elf.opt (sim): New Driver option.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/xtensa/elf.opt: New.
	* config.gcc (xtensa*-*-elf*): Use xtensa/elf.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/vax/elf.opt: New.
	* config.gcc (vax-*-linux*, vax-*-netbsdelf*): Use vax/elf.opt.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/aix64.opt (posix, pthread): New Driver options.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config/gnu-user.opt: New.
	* config.gcc (*-*-linux* | frv-*-*linux* | *-*-kfreebsd*-gnu |
	*-*-knetbsd*-gnu | *-*-gnu* | *-*-kopensolaris*-gnu,
	*-*-uclinux*): Use gnu-user.opt.

2011-02-08  Thomas Schwinge  <thomas@schwinge.name>

	* config/gnu.h (CPP_SPEC, LIB_SPEC): Remove handling of -bsd option.
	* config/i386/gnu.h (CPP_SPEC): Likewise.

2011-02-08  Ian Lance Taylor  <iant@google.com>

	* common.opt (fcx-limited-range): Add SetByCombined flag.
	(ffinite-math-only, fmath-errno, frounding-math): Likewise.
	(fsignaling-nans, fsigned-zeros, ftrapping-math): Likewise.
	(fassociative-math, freciprocal-math): Likewise.
	(funsafe-math-optimizations): Likewise.
	* opth-gen.awk: Handle SetByCombined.
	* optc-gen.awk: Likewise.
	* opts.c (set_fast_math_flags): Don't override flag if set by frontend.
	(set_unsafe_math_optimizations_flags): Likewise.
	* doc/options.texi (Option properties): Document SetByCombined.

2011-02-08  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (arc-*, alpha*-*-gnu*, arm*-*-netbsd*, arm-*-pe*,
	i[34567]86-*-interix3*, i[34567]86-*-netbsd*, i[34567]86-*-pe,
	m68hc11-*-*, m6811-*-*, m68hc12-*-*, m6812-*-*,
	m68k-*-uclinuxoldabi*, mcore-*-pe*, powerpc*-*-gnu*,
	sh*-*-symbianelf*, vax-*-netbsd*): Mark obsolete.

2011-02-08  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/46834
	PR tree-optimization/46994
	PR tree-optimization/46995
	* graphite-sese-to-poly.c (used_outside_reduction): New.
	(detect_commutative_reduction): Call used_outside_reduction.
	(rewrite_commutative_reductions_out_of_ssa_close_phi): Call
	translate_scalar_reduction_to_array only when at least one
	loop-phi/close-phi tuple has been detected.

2011-02-08  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47639
	* tree-vect-generic.c (expand_vector_operations_1): Update
	stmts here ...
	(expand_vector_operations): ... not here.  Cleanup EH info
	and the CFG if required.

2011-02-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47641
	* tree-ssa.c (execute_update_addresses_taken): For asm outputs
	require type compatibility.

2011-02-08  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* gimple-low.c (lower_function_body): Don't remove the location of
	the return statement here.
	(lower_gimple_return): Do it here instead but only if the return
	statement is actually used twice.

2011-02-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47632
	* tree-ssa-forwprop.c (remove_prop_source_from_use): Remove
	unused up_to_stmt parameter, return whether cfg-cleanup is
	necessary, remove EH info properly.
	(forward_propagate_into_gimple_cond): Adjust caller.
	(forward_propagate_into_cond): Likewise.
	(forward_propagate_comparison): Likewise.
	(tree_ssa_forward_propagate_single_use_vars): Make
	forward_propagate_comparison case similar to the two others.

2011-02-08  Nick Clifton  <nickc@redhat.com>

	* config/mn10300/mn10300.opt (mliw): New command line option.
	* config/mn10300/mn10300.md (UNSPEC_LIW): New unspec.
	(liw_bundling): New automaton.
	(liw): New attribute.
	(liw_op): New attribute.
	(liw_op1, liw_op2, liw_both, liw_either): New reservations.
	(movsi_internal): Add LIW attributes.
	(andsi3): Likewise.
	(iorsi3): Likewise.
	(xorsi3): Likewise.
	(addsi3): Separate register and immediate alternatives.
	Add LIW attributes.
	(subsi3): Likewise.
	(cmpsi): Likewise.
	(aslsi3): Likewise.
	(lshrsi3): Likewise.
	(ashrsi3): Likewise.
	(liw): New pattern.
	* config/mn10300/mn10300.c (liw_op_names): New
	(mn10300_print_operand): Handle 'W' operand descriptor.
	(extract_bundle): New function.
	(check_liw_constraints): New function.
	(liw_candidate): New function.
	(mn10300_bundle_liw): New function.
	(mn10300_reorg): New function.
	(TARGET_MACHINE_DEPENDENT_REORG): Define.
	(TARGET_DEFAULT_TARGET_FLAGS): Add MASK_ALLOW_LIW.
	* config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Define
	__LIW__ or __NO_LIW__.
	* doc/invoke.texi: Describe the -mliw command line option.

2011-02-07  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* config.gcc (hppa[12]*-*-hpux11*): Don't set extra_parts.
	* config/pa/stublib.c (pthread_default_stacksize_np, pthread_mutex_lock,
	pthread_mutex_unlock): Remove.
	* config/pa/t-pa-hpux11: Remove rules to build pthread stubs.
	* config/pa/t-pa64: Likewise.
	* config/pa/pa64-hpux.h (LIB_SPEC): In static links, link against
	shared libc if not linking against libpthread.
	* config/pa/pa-hpux11.h (LIB_SPEC): Likewise.

2011-02-07  Iain Sandoe  <iains@gcc.gnu.org>

	PR target/47558
	* config/darwin10.h (LINK_GCC_C_SEQUENCE_SPEC): Put -lSystem first
	on 10.6 and later to ensure that we always use the unwinder from
	the system.  Only add -no_compact_unwind when tarteting darwin
	10.6 or later.

2011-02-07  Steve Ellcey  <sje@cup.hp.com>

	PR target/46997
	* vect.md (vec_interleave_highv2sf): Change fmix for TARGET_BIG_ENDIAN.
	(vec_interleave_lowv2sf): Ditto.
	(vec_extract_evenv2sf): Add TARGET_BIG_ENDIAN check.
	(vec_extract_oddv2sf): Ditto.

2011-02-07  Mike Stump  <mikestump@comcast.net>

	PR target/42333
	Add __ieee_divdc3 entry point.
	* config/i386/darwin.h (DECLARE_LIBRARY_RENAMES): Retain ___divdc3
	entry point.
	(SUBTARGET_INIT_BUILTINS): Call darwin_rename_builtins.
	* config/i386/i386.c (TARGET_INIT_LIBFUNCS): Likewise.
	* config/darwin.c (darwin_rename_builtins): Add.
	* config/darwin-protos.h (darwin_rename_builtins): Add.

2011-02-07  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47636
	* config/rs6000/rs6000.md (rsqrt<mode>2): Use the correct macro
	for the condition.

2011-02-07  Mike Stump  <mikestump@comcast.net>

	* config/darwin.opt (mmacosx-version-min): Update default OS version.

2011-02-07  Denis Chertykov  <chertykov@gmail.com>

	PR target/47534
	* config/avr/libgcc.S (exit): Move .endfunc

2011-02-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47615
	* tree-ssa-sccvn.h (run_scc_vn): Take a vn-walk mode argument.
	* tree-ssa-sccvn.c (default_vn_walk_kind): New global.
	(run_scc_vn): Initialize it.
	(visit_reference_op_load): Use it.
	* tree-ssa-pre.c (execute_pre): Use VN_WALK if in PRE.

2011-02-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (spu_init_libfuncs): Install SImode and
	DImode trapping arithmetic libfuncs.

2011-02-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47621
	* tree-ssa.c (non_rewritable_lvalue_p): New function, split out from
	two duplicates ...
	(execute_update_addresses_taken): ... here.  Make it more
	conservative in what we accept.

2011-02-06  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/freebsd.h (ASM_SPEC): Define.
	* config/sparc/vxworks.h (ASM_SPEC): Define.

2011-02-06  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/sol2-bi.h (CC1_SPEC): Remove %{sun4:} %{target:}.

2011-02-06  Steven Bosscher  <steven@gcc.gnu.org>

	* doc/invoke.texi: Remove reference to compiler internals from
	user documentation.

	* reg-notes.def: Remove REG_VALUE_PROFILE.
	* combine.c (distribute_notes): Do not handle REG_VALUE_PROFILE.

2011-02-05  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/47610
	* varasm.c (default_section_type_flags): If decl is NULL,
	and name is .data.rel.ro or .data.rel.ro.local, set SECTION_RELRO bit.

2011-02-05  Jie Zhang  <jie@codesourcery.com>

	PR debug/42631
	* web.c (entry_register): Don't clobber the number of the
	first uninitialized reference in used[].

2011-02-04  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/46194
	* tree-data-ref.c (analyze_miv_subscript): Remove comment.
	(build_classic_dist_vector_1): Do not represent classic distance
	vectors when the access functions are variating in different loops.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

	* config/mips/iris6.opt: New.
	* config.gcc (mips-sgi-irix6.5*): Use mips/iris6.opt.

2011-02-04  Richard Henderson  <rth@redhat.com>
	    Steve Ellcey  <sje@cup.hp.com>

	PR target/46997
	* config/ia64/predicates.md (mux1_brcst_element): New.
	* config/ia64/ia64-protos.h (ia64_unpack_assemble): New.
	* config/ia64/ia64.c (ia64_unpack_assemble): New.
	(ia64_unpack_sign): New.
	(ia64_expand_unpack): Rewrite using new routines.
	(ia64_expand_widen_sum): Ditto.
	(ia64_expand_dot_prod_v8qi): Ditto.
	* config/ia64/vect.md (mulv8qi3): Rewrite to use new
	routines, add endian check.
	(pmpy2_even): Rename from pmpy2_r, add endian check.
	(pmpy2_odd): Rename from pmpy2_l, add endian check.
	(vec_widen_smult_lo_v4hi): Rewrite using new routines.
	(vec_widen_smult_hi_v4hi): Ditto.
	(vec_widen_umult_lo_v4hi): Ditto.
	(vec_widen_umult_hi_v4hi): Ditto.
	(mulv2si3): Change endian checks.
	(sdot_prodv4hi): Rewrite with new calls.
	(udot_prodv4hi): New.
	(vec_pack_ssat_v4hi): Add endian check.
	(vec_pack_usat_v4hi): Ditto.
	(vec_pack_ssat_v2si): Ditto.
	(max1_even): Rename from max1_r, add endian check.
	(max1_odd): Rename from max1_l, add endian check.
	(*mux1_rev): Format change.
	(*mux1_mix): Ditto.
	(*mux1_shuf): Ditto.
	(*mux1_alt): Ditto.
	(*mux1_brcst_v8qi): Use new predicate.
	(vec_extract_evenv8qi): Remove endian check.
	(vec_extract_oddv8qi): Ditto.
	(vec_interleave_lowv4hi): Format change.
	(vec_interleave_highv4hi): Ditto.
	(mix2_even): Rename from mix2_r, add endian check.
	(mix2_odd): Rename from mux2_l, add endian check.
	(*mux2): Fix mask setting for TARGET_BIG_ENDIAN.
	(vec_extract_evenodd_helper): Format change.
	(vec_extract_evenv4hi): Remove endian check.
	(vec_extract_oddv4hi): Remove endian check.
	(vec_interleave_lowv2si): Format change.
	(vec_interleave_highv2si): Format change.
	(vec_initv2si): Remove endian check.
	(vecinit_v2si): Add endian check.
	(reduc_splus_v2sf): Add endian check.
	(reduc_smax_v2sf): Ditto.
	(reduc_smin_v2sf): Ditto.
	(vec_initv2sf): Remove endian check.
	(fpack): Add endian check.
	(fswap): Add endian check.
	(vec_interleave_highv2sf): Add endian check.
	(vec_interleave_lowv2sf): Add endian check.
	(fmix_lr): Add endian check.
	(vec_setv2sf): Format change.
	(*vec_extractv2sf_0_be): Use shift to extract operand.
	(*vec_extractv2sf_1_be): New.
	(vec_pack_trunc_v4hi): Add endian check.
	(vec_pack_trunc_v2si): Format change.

2011-02-04  Jakub Jelinek  <jakub@redhat.com>

	PR inline-asm/23200
	* tree-ssa-ter.c (is_replaceable_p): Add TER argument.  Don't
	do bb, locus and block comparison and disallow loads if it is not set.
	(stmt_is_replaceable_p): New function.
	(process_replaceable, find_replaceable_in_bb): Adjust is_replaceable_p
	callers.
	* expr.c (expand_expr_real_1) <case SSA_NAME>: If
	get_gimple_for_ssa_name try for EXPAND_INITIALIZER harder to use
	SSA_NAME_DEF_STMT.
	* tree-flow.h (stmt_is_replaceable_p): New prototype.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/xilinx.opt: New.
	* config.gcc (powerpc-xilinx-eabi*): Use rs6000/xilinx.opt.

2011-02-04  Joseph Myers  <joseph@codesourcery.com>

	* config/mips/mips.opt (EB, EL, noasmopt): New Driver options.

2011-02-03  Anatoly Sokolov  <aesok@post.ru>

	* config/xtensa/xtensa.h (PREFERRED_RELOAD_CLASS,
	PREFERRED_OUTPUT_RELOAD_CLASS): Remove.
	* config/xtensa/xtensa-protos.h (xtensa_preferred_reload_class,
	secondary_reload_info, xtensa_secondary_reload): Remove.
	* config/xtensa/xtensa.c (TARGET_PREFERRED_RELOAD_CLASS,
	TARGET_PREFERRED_OUTPUT_RELOAD_CLASS): Define.
	(xtensa_preferred_reload_class): Make static. Change return and
	'rclass' argument type to reg_class_t. Remove 'isoutput' argument.
	Use CONST_DOUBLE_P predicate.
	(xtensa_preferred_output_reload_class): New function.
	(xtensa_secondary_reload): Make static.

2011-02-03  Joseph Myers  <joseph@codesourcery.com>

	* config/microblaze/microblaze.opt (Zxl-mode-bootstrap,
	Zxl-mode-executable, Zxl-mode-novectors, Zxl-mode-xilkernel,
	Zxl-mode-xmdstub, mxl-mode-xilkernel): New Driver options.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/31490
	* output.h (SECTION_RELRO): Define.
	(SECTION_MACH_DEP): Adjust.
	(get_variable_section): New prototype.
	* varpool.c (varpool_finalize_named_section_flags): New function.
	(varpool_assemble_pending_decls): Call it.
	* cgraph.h (varpool_finalize_named_section_flags): New prototype.
	* cgraphunit.c (cgraph_output_in_order): Call
	varpool_finalize_named_section_flags.
	* varasm.c (get_section): Allow section flags conflicts between
	relro and read-only sections if the section hasn't been declared yet.
	Set SECTION_OVERRIDE after diagnosing section type conflict.
	(get_variable_section): No longer static.
	(default_section_type_flags): Use SECTION_WRITE | SECTION_RELRO for
	readonly sections that need relocations.
	(decl_readonly_section_1): New function.
	(decl_readonly_section): Use it.

	Revert:
	2010-11-17  Dinar Temirbulatov  <dtemirbulatov@gmail.com>
		    Steve Ellcey  <sje@cup.hp.com>

	PR middle-end/31490
	* varasm.c (categorize_decl_for_section): Ignore reloc_rw_mask
	if section attribute used.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

	* config/darwin.h (SECTION_NO_ANCHOR): Remove.
	* config/darwin.c (SECTION_NO_ANCHOR): Define.
	(darwin_init_sections): Remove assertion.

2011-02-03  Nick Clifton  <nickc@redhat.com>

	* config/rx/predicates.md (rx_zs_comparison_operator): Remove
	lt and ge.
	* config/rx/rx.md (abssi2_flags): Use CC_ZSmode rather than CC_ZSOmode.
	* config/rx/rx.c (rx_print_operand): Use "lt" and "ge" suffixes
	instead of "n" and "pz".
	(flags_from_code): LT and GE tests need CC_FLAG_O as well as
	CC_FLAG_S.

2011-02-03  Jakub Jelinek  <jakub@redhat.com>

	PR target/47312
	* expr.c (expand_expr_real_2) <case FMA_EXPR>: If target doesn't expand
	fma, expand FMA_EXPR as fma{,f,l} call.

	PR lto/47274
	* lto-streamer-out.c (write_symbol): When writing kind and visibility,
	copy them into a unsigned char variable and pass address of it to
	lto_output_data_stream.

	PR target/47564
	* toplev.c (target_reinit): Save and restore *crtl and regno_reg_rtx
	around backend_init_target and lang_dependent_init_target calls.
	* cgraphunit.c (cgraph_debug_gimple_stmt): New function.
	(verify_cgraph_node): Don't call set_cfun here.  Use
	cgraph_debug_gimple_stmt instead of debug_gimple_stmt.
	Set error_found for incorrectly represented calls to thunks.

2011-02-03  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/43092
	PR rtl-optimization/43494
	* rtl.h (for_each_inc_dec_fn): New type.
	(for_each_inc_dec): Declare.
	* rtlanal.c (struct for_each_inc_dec_ops): New type.
	(for_each_inc_dec_find_inc_dec): New fn.
	(for_each_inc_dec_find_mem): New fn.
	(for_each_inc_dec): New fn.
	* dse.c (struct insn_size): Remove.
	(replace_inc_dec, replace_inc_dec_mem): Remove.
	(emit_inc_dec_insn_before): New fn.
	(check_for_inc_dec): Use it, along with for_each_inc_dec.
	(canon_address): Pass mem modes to cselib_lookup.
	* cselib.h (cselib_lookup): Add memmode argument.  Adjust callers.
	(cselib_lookup_from_insn): Likewise.
	(cselib_subst_to_values): Likewise.
	* cselib.c (find_slot_memmode): New var.
	(cselib_find_slot): New fn.  Use it instead of
	htab_find_slot_with_hash everywhere.
	(entry_and_rtx_equal_p): Use find_slot_memmode.
	(autoinc_split): New fn.
	(rtx_equal_for_cselib_p): Rename and implement in terms of...
	(rtx_equal_for_cselib_1): ... this.  Take memmode, pass it on.
	Deal with autoinc.  Special-case recursion into MEMs.
	(cselib_hash_rtx): Likewise.
	(cselib_lookup_mem): Infer pmode from address mode.  Distinguish
	address and MEM modes.
	(cselib_subst_to_values): Add memmode, pass it on.
	Deal with autoinc.
	(cselib_lookup): Add memmode argument, pass it on.
	(cselib_lookup_from_insn): Add memmode.
	(cselib_invalidate_rtx): Discard obsolete push_operand handling.
	(struct cselib_record_autoinc_data): New.
	(cselib_record_autoinc_cb): New fn.
	(cselib_record_sets): Use it, along with for_each_inc_dec.  Pass MEM
	mode to cselib_lookup.  Reset autoinced REGs here instead of...
	(cselib_process_insn): ... here.
	* var-tracking.c (replace_expr_with_values, use_type): Pass MEM mode
	to cselib_lookup.
	(add_uses): Likewise, also to cselib_subst_to_values.
	(add_stores): Likewise.
	* sched-deps.c 	(add_insn_mem_dependence): Pass mode to
	cselib_subst_to_values.
	(sched_analyze_1, sched_analyze_2): Likewise.  Adjusted.
	* gcse.c (do_local_cprop): Adjusted.
	* postreload.c (reload_cse_simplify_set): Adjusted.
	(reload_cse_simplify_operands): Adjusted.
	* sel-sched-dump (debug_mem_addr_value): Pass mode.

2011-02-03  Alexandre Oliva  <aoliva@redhat.com>

	PR tree-optimization/45122
	* tree-ssa-loop-niter.c (number_of_iterations_exit): Don't make
	unsafe assumptions when there's more than one loop exit.

2011-02-02  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47272
	* doc/extend.texi (PowerPC AltiVec/VSX Built-in Functions):
	Document using vector double with the load/store builtins, and
	that the load/store builtins always use Altivec instructions.

	* config/rs6000/vector.md (vector_altivec_load_<mode>): New insns
	to use altivec memory instructions, even on VSX.
	(vector_altivec_store_<mode>): Ditto.

	* config/rs6000/rs6000-protos.h (rs6000_address_for_altivec): New
	function.

	* config/rs6000/rs6000-c.c (altivec_overloaded_builtins): Add
	V2DF, V2DI support to load/store overloaded builtins.

	* config/rs6000/rs6000-builtin.def (ALTIVEC_BUILTIN_*): Add
	altivec load/store builtins for V2DF/V2DI types.

	* config/rs6000/rs6000.c (rs6000_option_override_internal): Don't
	set avoid indexed addresses on power6 if -maltivec.
	(altivec_expand_ld_builtin): Add V2DF, V2DI support, use
	vector_altivec_load/vector_altivec_store builtins.
	(altivec_expand_st_builtin): Ditto.
	(altivec_expand_builtin): Add VSX memory builtins.
	(rs6000_init_builtins): Add V2DI types to internal types.
	(altivec_init_builtins): Add support for V2DF/V2DI altivec
	load/store builtins.
	(rs6000_address_for_altivec): Insure memory address is appropriate
	for Altivec.

	* config/rs6000/vsx.md (vsx_load_<mode>): New expanders for
	vec_vsx_ld and vec_vsx_st.
	(vsx_store_<mode>): Ditto.

	* config/rs6000/rs6000.h (RS6000_BTI_long_long): New type
	variables to hold long long types for VSX vector memory builtins.
	(RS6000_BTI_unsigned_long_long): Ditto.
	(long_long_integer_type_internal_node): Ditti.
	(long_long_unsigned_type_internal_node): Ditti.

	* config/rs6000/altivec.md (UNSPEC_LVX): New UNSPEC.
	(altivec_lvx_<mode>): Make altivec_lvx use a mode iterator.
	(altivec_stvx_<mode>): Make altivec_stvx use a mode iterator.

	* config/rs6000/altivec.h (vec_vsx_ld): Define VSX memory builtin
	short cuts.
	(vec_vsx_st): Ditto.

2011-02-02  Joseph Myers  <joseph@codesourcery.com>

	* config/pa/pa-hpux10.opt: New.
	* config/hpux11.opt (pthread): New Driver option.
	* config/pa/pa-hpux.opt (nolibdld, rdynamic): New Driver options.
	* config.gcc (hppa[12]*-*-hpux10*): Use pa/pa-hpux10.opt.

2011-02-02  Joseph Myers  <joseph@codesourcery.com>

	* config/ia64/vms.opt: New.
	* config.gcc (ia64-hp-*vms*): Use ia64/vms.opt.

2011-02-01  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47580
	* config/rs6000/vsx.md (vsx_float<VSi><mode>2): Use
	gpc_reg_operand instead of vsx_register_operand to match rs6000.md
	generator functions.
	(vsx_floatuns<VSi><mode>2): Ditto.
	(vsx_fix_trunc<mode><VSi>2): Ditto.
	(vsx_fixuns_trunc<mode><VSi>2): Ditto.

2011-02-02  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/djgpp.opt (posix): New Driver option.

2011-02-02  Gerald Pfeifer  <gerald@pfeifer.com>

	* config.gcc (*-*-freebsd[12], *-*-freebsd[12].*, *-*-freebsd*aout*):
	Move to the unsupported targets list.

2011-02-02  Peter Bergner  <bergner@vnet.ibm.com>

	PR rtl-optimization/47525
	* df-scan.c: Update copyright years.
	(df_get_call_refs): Do not mark global registers as DF_REF_REG_USE
	and non-clobber DF_REF_REG_DEF for calls to const and pure functions.

2011-02-02  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* config/i386/sysv4.h (TARGET_VERSION): Remove.
	(SUBTARGET_RETURN_IN_MEMORY): Remove.
	(ASM_OUTPUT_ASCII): Remove.
	* config/i386/sol2.h (SUBTARGET_RETURN_IN_MEMORY): Remove #undef.

2011-02-02  Jeff Law  <law@redhat.com>

	PR middle-end/47543
	* reload.c (find_reloads_address): Handle reg+d address where both
	components are invalid by reloading the entire address.

2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/40979
	PR bootstrap/47044
	* passes.c (init_optimization_passes): After LIM call copy_prop
	and DCE to clean up.
	* tree-ssa-loop.c (pass_graphite_transforms): Add TODO_dump_func.

2011-02-02  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/47576
	PR tree-optimization/47555
	* doc/invoke.texi (scev-max-expr-complexity): Documented.
	* params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.
	(PARAM_SCEV_MAX_EXPR_COMPLEXITY): Declared.
	* tree-scalar-evolution.c (follow_ssa_edge): Use
	PARAM_SCEV_MAX_EXPR_COMPLEXITY.

2011-02-02  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47566
	* builtins.c (builtin_save_expr): No SAVE_EXPR for SSA_NAMEs.

2011-02-02  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47106
	PR debug/47402
	* tree-inline.c (declare_return_variable): Remove unused caller
	variable.

	PR debug/47106
	PR debug/47402
	* tree-flow-inline.h (clear_is_used, is_used_p): New.
	* cfgexpand.c (account_used_vars_for_block): Use them.
	* tree-nrv.c (tree_nrv): Likewise.
	* tree-ssa-live.c (remove_unused_scope_block_p): Likewise.
	(dump_scope_block): Likewise.
	(remove_unused_locals): Likewise.

	PR debug/47106
	PR debug/47402
	* tree-inline.c (declare_return_variable): Add result decl to
	local decls only once.
	* gimple-low.c (record_vars_into): Mark newly-created variables
	as referenced.

2011-02-02  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47498
	PR debug/47501
	PR debug/45136
	PR debug/45130
	* haifa-sched.c (get_ebb_head_tail): Move notes across boundary
	debug insns.
	(no_real_insns_p, schedule_block, set_priorities): Drop special
	treatment of boundary debug insns.
	* sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
	* sched-ebb.c (schedule_ebbs): Adjust skipping of debug insns.
	* sched-int.h (DEBUG_INSN_SCHED_P): Remove.
	(BOUNDARY_DEBUG_INSN_P): Likewise.
	(SCHEDULE_DEBUG_INSN_P): Likewise.
	* sched-rgn.c (init_ready_list): Drop special treatment of
	boundary debug insns.
	* final.c (rest_of_clean_state): Clear notes' BB.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/openbsd.opt (assert=): New Driver option.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/nto.opt: New.
	* config.gcc (i[34567]86-*-nto-qnx*): Use i386/nto.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/netware.opt: New.
	* config.gcc (i[3456x]86-*-netware*): Use i386/netware.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/interix.opt (posix): New Driver option.

2011-02-01  DJ Delorie  <dj@redhat.com>

	* config/m32c/m32c.h (PTRDIFF_TYPE): Remove extra definition.

	* config/m32c/m32c.c (m32c_regno_reg_class): Return smallest reg
	class for A0/A1.

2011-02-01  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/47561
	* toplev.c (process_options): Print the Graphite flags.  Add
	flag_loop_flatten to the list of options requiring Graphite.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/cygming.opt (posix): New Driver option.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/vxworks.opt: New.
	* config.gcc (arm-wrs-vxworks): Use arm/vxworks.opt.

2011-02-01  Joseph Myers  <joseph@codesourcery.com>

	* config/alpha/elf.opt: New.
	* config.gcc (alpha*-*-linux*, alpha*-*-gnu*, alpha*-*-freebsd*,
	alpha*-*-netbsd*, alpha*-*-openbsd*): Use alpha/elf.opt.

2011-02-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47559
	* tree-ssa-loop-im.c (can_sm_ref_p): Do not perform
	store-motion on references that can throw.

2011-02-01  Bernd Schmidt  <bernds@codesourcery.com>

	* tree-dump.c (dump_option_value_info): Add entry for TDF_CSELIB.
	* tree-pass.h (TDF_CSELIB): New macro.
	* cselib.c (new_cselib_val, expand_loc, cselib_expand_value_rtx_1,
	cselib_lookup): Check for it rather than for TDF_DETAILS.

2011-02-01  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/47547
	* lto-wrapper.c (run_gcc): Don't add -dumpdir if linker_output
	is HOST_BIT_BUCKET.

	* opts.c (finish_options): Don't add x_aux_base_name if it is
	HOST_BIT_BUCKET.

2011-02-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47555
	Revert
	2010-07-15  Sebastian Pop  <sebastian.pop@amd.com>

	* params.def (PARAM_SCEV_MAX_EXPR_SIZE): Bump the value to 100.

2011-02-01  Sebastien Bourdeauducq  <sebastien@milkymist.org>

	PR gcc/46692
	* config/lm32/t-lm32: Add multilib for all CPU options.

2011-02-01  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47541
	* tree-ssa-structalias.c (push_fields_onto_fieldstack): Make
	sure to have a field at offset zero.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

	* config/arc/arc.opt (EB, EL): New Driver options.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

	* config/alpha/osf5.opt: New.
	* config.gcc (alpha*-dec-osf5.1*): Use alpha/osf5.opt.

2011-01-31  Joseph Myers  <joseph@codesourcery.com>

	* config/vms/vms.opt (map, mvms-return-codes): New Driver options.

2011-01-31  Sebastian Pop  <sebastian.pop@amd.com>

	* common.opt (ftree-loop-linear): Use Alias to make it an alias of
	-floop-interchange.
	* invoke.texi (-ftree-loop-linear): Make it clear that this flag
	is an alias of -floop-interchange and that it requires the
	Graphite infrastructure.
	* tree-ssa-loop.c (gate_graphite_transforms): Do not set
	flag_loop_interchange based on the value of flag_tree_loop_linear.

2011-01-31  Jakub Jelinek  <jakub@redhat.com>
	    Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47538
	* tree-ssa-ccp.c (bit_value_binop_1): For uns computation use
	type instead of r1type, except for comparisons.  For right
	shifts and comparisons punt if there are mismatches in
	sizetype vs. non-sizetype types.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* doc/sourcebuild.texi (Effective-Target Keywords): Document
	avx_runtime.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_eh_frame_hdr): Update minimal Sun ld
	version number.
	* configure: Regenerate.

2011-01-31  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_static_option): Define.
	(gcc_cv_ld_dynamic_option): Define.
	(gcc_cv_ld_static_dynamic): Tru64 UNIX support -noso/-so_archive
	instead.
	(HAVE_LD_STATIC_DYNAMIC): Update message.
	(LD_STATIC_OPTION): Define.
	(LD_DYNAMIC_OPTION): Define.
	* configure: Regenerate.
	* config.in: Regenerate.
	* gcc.c (init_spec) [USE_LIBUNWIND_EXCEPTIONS &&
	HAVE_LD_STATIC_DYNAMIC]: Use them.

2011-01-31  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.c (rx_get_stack_layout): Only save call clobbered
	registers inside interrupt handlers if the handler is not a leaf
	function.

2011-01-31  Nick Clifton  <nickc@redhat.com>

	* config/mn10300/mn10300.c (mn10300_regno_in_class_p): Check for
	reg_renumber returning an INVALID_REGNUM.

2011-01-31  Alexandre Oliva  <aoliva@redhat.com>

	PR libgcj/44341
	* doc/install.texi: Document host options discarded when cross
	configuring target libraries.

2011-01-31  Alexandre Oliva  <aoliva@redhat.com>

	Reverted:
	2011-01-25  Alexandre Oliva  <aoliva@redhat.com>
	PR debug/45136
	PR debug/45130
	* haifa-sched.c (get_ebb_head_tail): Move notes across boundary
	debug insns.
	(no_real_insns_p, schedule_block, set_priorities): Drop special
	treatment of boundary debug insns.
	* sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
	* sched-ebb.c (schedule_ebbs): Don't skip debug insns.
	* sched-int.h (DEBUG_INSN_SCHED_P): Remove.
	(BOUNDARY_DEBUG_INSN_P): Likewise.
	(SCHEDULE_DEBUG_INSN_P): Likewise.
	* sched-rgn.c (init_ready_list): Drop special treatment of
	boundary debug insns.
	* final.c (rest_of_clean-state): Clear notes' BB.

2011-01-31  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000.c (print_operand): Rearrange addends in
	toc relative expressions as we do in print_operand_address.

2011-01-30  Kazu Hirata  <kazu@codesourcery.com>

	* doc/extend.texi: Follow spelling conventions.
	* doc/invoke.texi: Fix a typo.

2011-01-30  Joseph Myers  <joseph@codesourcery.com>

	* config/hpux11.opt: New.
	* config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*,
	ia64*-*-hpux*): Use hpux11.opt.

2011-01-30  Jonathan Yong  <jon_y@users.sourceforge.net>

	* config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Add t-dfprules
	to tmake_file.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (hppa-hp-hpux10): Remove references to HP
	support sites.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/install.texi (Binaries): Remove outdated reference for
	Motorola 68HC11/68HC12 downloads.

2011-01-30  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/extend.texi (Thread-Local): Adjust reference to Ulrich
	Drepper's paper.

2011-01-29  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR bootstrap/47147
	* ginclude/stddef.h: Check for _X86_64_ANSI_H_ and _I386_ANSI_H_ as
	used by NetBSD.

2011-01-28  Ahmad Sharif  <asharif@google.com>

	* value-prof.c (check_counter): Corrected error message.

2011-01-29  Jie Zhang  <jie@codesourcery.com>

	* config/arm/arm.c (arm_legitimize_reload_address): New.
	* config/arm/arm.h (ARM_LEGITIMIZE_RELOAD_ADDRESS): Use
	arm_legitimize_reload_address.
	* config/arm/arm-protos.h (arm_legitimize_reload_address): Declare.

2011-01-28  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_define): Ignore macros whose definitions include
	two adjacent operands.

2011-01-28  Jakub Jelinek  <jakub@redhat.com>

	PR target/42894
	* varasm.c (force_const_mem): Store copy of x in desc->constant
	instead of x itself.
	* expr.c (emit_move_insn): Add a copy of y_cst instead of y_cst
	itself into REG_EQUAL note.

2011-01-28  Joseph Myers  <joseph@codesourcery.com>

	* config/freebsd.opt (posix, rdynamic): New Driver options.

2011-01-28  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_static_dynamic): IRIX 6 ld supports
	-Bstatic/-Bdynamic.
	* configure: Regenerate.

2011-01-27  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/sysv4.h (LIB_NETBSD_SPEC): Don't handle -profile.
	* config/rs6000/vxworks.h (CC1_SPEC): Don't handle -profile.

2011-01-27  Anatoly Sokolov  <aesok@post.ru>

	* config/s390/s390.h (PREFERRED_RELOAD_CLASS): Remove.
	* config/s390/s390-protos.h (s390_preferred_reload_class): Remove.
	* config/s390/s390.c (TARGET_PREFERRED_RELOAD_CLASS): Define.
	(s390_preferred_reload_class): Make static. Change return and
	'rclass' argument type to reg_class_t.

2011-01-27  Jan Hubicka  <jh@suse.cz>

	PR middle-end/46949
	* cgraphunit.c (process_common_attributes): Fix use of remove_attribute.
	(process_function_and_variable_attributes): Check defined weakrefs.

2011-01-27  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/47228
	* tree-sra.c (sra_modify_assign): Use build_ref_for_model instead of
	build_ref_for_offset.

2011-01-27  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu-elf.h (ASM_SPEC): Remove.

2011-01-26  Mikael Pettersson  <mikpe@it.uu.se>

	PR rtl-optimization/46856
	* postreload.c (reload_combine_recognize_const_pattern): Do not
	separate cc0 setter and user on cc0 targets.

2011-01-26  Nicola Pero  <nicola.pero@meta-innovation.com>

	PR c/43082
	* c-typeck.c (c_objc_common_truthvalue_conversion): If we are
	passed a VOID_TYPE expression, immediately emit an error and
	return error_mark_node.

2011-01-26  Jeff Law  <law@redhat.com>

	PR rtl-optimization/47464
	* df-problems.c (can_move_insn_across): Use may_trap_or_fault_p
	rather than may_trap_p as needed.

2011-01-26  DJ Delorie  <dj@redhat.com>

	PR rtl-optimization/46878
	* combine.c (insn_a_feeds_b): Check for the implicit cc0
	setter/user dependency as well.

2011-01-26  Eric Botcazou  <ebotcazou@adacore.com>

	PR rtl-optimization/44469
	* cfgcleanup.c (try_optimize_cfg): Iterate in CFG layout mode too
	after removing trivially dead basic blocks.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

	* config/bfin/bfin.h (LINK_SPEC): Remove %{Qy:} %{!Qn:-Qy}.
	* config/frv/frv.h (LINK_SPEC): Likewise.
	* config/i386/netware.h (LINK_SPEC): Likewise.
	* config/m68k/linux.h (ASM_SPEC): Likewise.
	* config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
	* config/rs6000/sysv4.h (LINK_SPEC): Likewise.
	* config/rs6000/vxworks.h (ASM_SPEC): Likewise.
	* config/sparc/linux.h (ASM_SPEC): Likewise.
	* config/sparc/linux64.h (ASM_SPEC): Likewise.
	* config/sparc/sp-elf.h (ASM_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

	* config/bfin/bfin.h (ASM_SPEC): Remove %{Ym,*}.
	* config/frv/frv.h (ASM_SPEC): Likewise.
	* config/m68k/linux.h (ASM_SPEC): Likewise.
	* config/pa/pa-linux.h (ASM_SPEC): Likewise.
	* config/rs6000/linux64.h (ASM_SPEC): Likewise.
	* config/rs6000/vxworks.h (ASM_SPEC): Likewise.
	* config/sparc/linux.h (ASM_SPEC): Likewise.
	* config/sparc/linux64.h (ASM_SPEC): Likewise.
	* config/sparc/sp-elf.h (ASM_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

	* config/bfin/bfin.h (LINK_SPEC): Remove %{YP,*}.
	* config/frv/frv.h (LINK_SPEC): Likewise.
	* config/rs6000/sysv4.h (LINK_SPEC): Likewise.

2011-01-26  Joseph Myers  <joseph@codesourcery.com>

	* config/bfin/bfin.h (ASM_SPEC): Remove %{Yd,*}.
	* config/frv/frv.h (ASM_SPEC): Likewise.
	* config/i386/sol2-10.h (ASM_SPEC): Likewise.
	* config/m68k/linux.h (ASM_SPEC): Likewise.
	* config/pa/pa-linux.h (ASM_SPEC): Likewise.
	* config/rs6000/linux64.h (ASM_SPEC32): Likewise.
	* config/rs6000/vxworks.h (ASM_SPEC): Likewise.
	* config/sol2.h (ASM_SPEC): Remove comment about -Yd,.
	* config/sparc/linux.h (ASM_SPEC): Likewise.
	* config/sparc/linux64.h (ASM_SPEC): Likewise.
	* config/sparc/sp-elf.h (ASM_SPEC): Likewise.
	* config/sparc/sysv4.h (ASM_SPEC): Remove %{Yd,*}.

2011-01-26  Steve Ellcey  <sje@cup.hp.com>

	PR target/46997
	* config/ia64/vect.md (mulv2si3): Enable and fix for TARGET_BIG_ENDIAN.
	(*mux2): Ditto.
	(vec_extract_evenodd_help): Ditto.
	(vec_extract_evenv4hi): Ditto.
	(vec_extract_oddv4hi): Ditto.
	(vec_interleave_lowv2si): Ditto.
	(vec_interleave_highv2si): Ditto.
	(vec_extract_evenv2si): Ditto.
	(vec_extract_oddv2si: Ditto.
	(vec_pack_trunc_v2si): Ditto.

2011-01-22  Jan Hubicka  <jh@suse.cz>

	PR target/47237
	* cgraph.h (cgraph_local_info): New field can_change_signature.
	* ipa-cp.c (ipcp_update_callgraph): Only compute args_to_skip if callee
	signature can change.
	(ipcp_estimate_growth): Call sequence simplify only if calle signature
	can change.
	(ipcp_insert_stage): Only compute args_to_skip if signature can change.
	(cgraph_function_versioning): We can not change signature of functions
	that don't allow that.
	* lto-cgraph.c (lto_output_node): Stream local.can_change_signature.
	(lto_input_node): Likewise.
	* ipa-inline.c (compute_inline_parameters): Compute
	local.can_change_signature.
	* ipa-split.c (visit_bb): Never split away APPLY_ARGS.
	* tree-sra.c (ipa_sra_preliminary_function_checks): Give up on
	functions that can not change signature.
	* i386.c (ix86_function_regparm, ix86_function_sseregparm,
	init_cumulative_args): Do not use local calling conventions
	for functions that can not change signature.

2011-01-22  Jan Hubicka  <jh@suse.cz>

	* doc/invoke.texi (hot-bb-frequency-fraction): Commit forgotten hunk.

2011-01-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47190
	* cgraphunit.c (process_common_attributes): New function.
	(process_function_and_variable_attributes): Use it.

2011-01-26  Richard Guenther  <rguenther@suse.de>

	PR lto/47423
	* cgraphbuild.c (record_eh_tables): Record reference to personality
	function.

2011-01-26  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/45454
	* sel-sched.c (moveup_expr): Don't let debug insns prevent
	non-debug insns from moving up.

2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR target/40125
	* config.gcc (i[34567]86-*-pe | i[34567]86-*-cygwin*): Select suitable
	t-dlldir{,-x} fragment for build and add it to tmake_file.
	(i[34567]86-*-mingw* | x86_64-*-mingw*): Likewise.
	* Makefile.in (libgcc.mvars): Also export SHLIB_DLLDIR to libgcc.
	* config/i386/t-dlldir: New file.
	(SHLIB_DLLDIR): Define.
	* config/i386/t-dlldir-x: New file.
	(SHLIB_DLLDIR): Define.
	* config/i386/t-cygming: Error out if SHLIB_DLLDIR is not set.
	(SHLIB_INSTALL): Use it.

2011-01-26  Chung-Lin Tang  <cltang@codesourcery.com>

	PR target/47246
	* config/arm/arm.c (thumb2_legitimate_index_p): Change the
	lower bound of the allowed Thumb-2 coprocessor load/store
	index range to -256. Add explaining comment.

2011-01-25  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_define): Improve lexing of macro expansion to only
	accept expressions which match Go spec.

2011-01-26  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR c++/43601
	* tree.c (handle_dll_attribute): Handle it.
	* doc/extend.texi (@item dllexport): Mention it.
	* doc/invoke.texi (@item -fno-keep-inline-dllexport): Document it.

2011-01-25  Ian Lance Taylor  <iant@google.com>

	PR tree-optimization/26854
	* c-decl.c (struct c_scope): Add field has_jump_unsafe_decl.
	(decl_jump_unsafe): Move higher in file, with no other change.
	(bind): Set has_jump_unsafe_decl if appropriate.
	(update_label_decls): Test has_jump_unsafe_decl to avoid loop.
	(check_earlier_gotos): Likewise.
	(c_check_switch_jump_warnings): Likewise.

2011-01-25  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/invoke.texi (Warning Options): Add missing hyphen.
	(-fprofile-dir): Minor grammatical fixes.
	(-fbranch-probabilities): Likewise.

2011-01-25  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/45136
	PR debug/45130
	* haifa-sched.c (get_ebb_head_tail): Move notes across boundary
	debug insns.
	(no_real_insns_p, schedule_block, set_priorities): Drop special
	treatment of boundary debug insns.
	* sched-deps.c (sd_init_insn, sd_finish_insn): Don't mark debug insns.
	* sched-ebb.c (schedule_ebbs): Don't skip debug insns.
	* sched-int.h (DEBUG_INSN_SCHED_P): Remove.
	(BOUNDARY_DEBUG_INSN_P): Likewise.
	(SCHEDULE_DEBUG_INSN_P): Likewise.
	* sched-rgn.c (init_ready_list): Drop special treatment of
	boundary debug insns.
	* final.c (rest_of_clean-state): Clear notes' BB.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* Makefile.in (LAMBDA_H): Removed.
	(TREE_DATA_REF_H): Remove dependence on LAMBDA_H.
	(OBJS-common): Remove dependence on lambda-code.o, lambda-mat.o,
	lambda-trans.o, and tree-loop-linear.o.
	(lto-symtab.o): Remove dependence on LAMBDA_H.
	(tree-loop-linear.o): Remove rule.
	(lambda-mat.o): Same.
	(lambda-trans.o): Same.
	(lambda-code.o): Same.
	(tree-vect-loop.o): Add missing dependence on TREE_DATA_REF_H.
	(tree-vect-slp.o): Same.
	* hwint.h (gcd): Moved here.
	(least_common_multiple): Same.
	* lambda-code.c: Removed.
	* lambda-mat.c: Removed.
	* lambda-trans.c: Removed.
	* lambda.h: Removed.
	* tree-loop-linear.c: Removed.
	* lto-symtab.c: Do not include lambda.h.
	* omega.c (gcd): Removed.
	* passes.c (init_optimization_passes): Remove pass_linear_transform.
	* tree-data-ref.c (print_lambda_vector): Moved here.
	(lambda_vector_copy): Same.
	(lambda_matrix_copy): Same.
	(lambda_matrix_id): Same.
	(lambda_vector_first_nz): Same.
	(lambda_matrix_row_add): Same.
	(lambda_matrix_row_exchange): Same.
	(lambda_vector_mult_const): Same.
	(lambda_vector_negate): Same.
	(lambda_matrix_row_negate): Same.
	(lambda_vector_equal): Same.
	(lambda_matrix_right_hermite): Same.
	* tree-data-ref.h: Do not include lambda.h.
	(lambda_vector): Moved here.
	(lambda_matrix): Same.
	(dependence_level): Same.
	(lambda_transform_legal_p): Removed declaration.
	(lambda_collect_parameters): Same.
	(lambda_compute_access_matrices): Same.
	(lambda_vector_gcd): Same.
	(lambda_vector_new): Same.
	(lambda_vector_clear): Same.
	(lambda_vector_lexico_pos): Same.
	(lambda_vector_zerop): Same.
	(lambda_matrix_new): Same.
	* tree-flow.h (least_common_multiple): Removed declaration.
	* tree-parloops.c (lambda_trans_matrix): Moved here.
	(LTM_MATRIX): Same.
	(LTM_ROWSIZE): Same.
	(LTM_COLSIZE): Same.
	(LTM_DENOMINATOR): Same.
	(lambda_trans_matrix_new): Same.
	(lambda_matrix_vector_mult): Same.
	(lambda_transform_legal_p): Same.
	* tree-pass.h (pass_linear_transform): Removed declaration.
	* tree-ssa-loop.c (tree_linear_transform): Removed.
	(gate_tree_linear_transform): Removed.
	(pass_linear_transform): Removed.
	(gate_graphite_transforms): Make flag_tree_loop_linear an alias of
	flag_loop_interchange.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47265
	PR tree-optimization/47443
	* tree-ssa-forwprop.c (forward_propagate_addr_expr): Return false
	if name still has some uses.

2011-01-25  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/47382
	* gimple-fold.c (gimple_fold_obj_type_ref_call): Removed.
	(gimple_fold_call): Do not call gimple_fold_obj_type_ref_call.

2011-01-25  Joel Sherrill  <joel.sherrill@oarcorp.com>

	* config/m32r/m32r.c: Define TARGET_EXCEPT_UNWIND_INFO to
	sjlj_except_unwind_info.

2011-01-25  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47426
	* tree-ssa-structalias.c (ipa_pta_execute): Make externally
	visible functions results escape.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR target/45701
	* config/arm/arm.c (any_sibcall_uses_r3): New function.
	(arm_get_frame_offsets): Use it.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>
	    Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47271
	* tree-if-conv.c (bb_postdominates_preds): New.
	(if_convertible_bb_p): Call bb_postdominates_preds.
	(if_convertible_loop_p_1): Compute CDI_POST_DOMINATORS.
	(predicate_scalar_phi): Call bb_postdominates_preds.

2011-01-25  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.h (LIBCALL_VALUE): Do not promote complex types.
	* config/rx/rx.c (rx_function_value): Likewise.
	(rx_promote_function_mode): Likewise.
	(gen_safe_add): Place an outsized immediate value inside an UNSPEC
	in order to make it legitimate.
	* config/rx/rx.md (adddi3_internal): If the second operand is a MEM
	make sure that the first operand is the same as the result register.
	(addsi3_unspec): Delete.
	(subdi3): Do not accept immediate operands.
	(subdi3_internal): Likewise.

2011-01-25  Jeff Law  <law@redhat.com>

	PR rtl-optimization/37273
	* ira-costs.c (scan_one_insn): Detect constants living in memory and
	handle them like argument loads from stack slots.  Do not double
	count memory for memory constants and argument loads from stack slots.

2011-01-25  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47427
	PR tree-optimization/47428
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Don't
	coalesce if the new root var would be TREE_READONLY.

2011-01-25  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47414
	* tree-ssa-alias.c (indirect_ref_may_alias_decl_p): Use the
	correct type for TBAA.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (dr_indices_valid_in_loop): New.
	(close_phi_written_to_memory): Call for_each_index with
	dr_indices_valid_in_loop.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (new_pbb_from_pbb): Only copy PBB_DOMAIN
	when it is initialized.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-scop-detection.c (stmt_has_simple_data_refs_p): Update
	call to graphite_find_data_references_in_stmt.
	* graphite-sese-to-poly.c (outermost_loop_in_sese_1): New.
	(try_generate_gimple_bb): Call outermost_loop_in_sese_1.  Update
	call to graphite_find_data_references_in_stmt.
	(analyze_drs_in_stmts): Same.
	* tree-data-ref.c (dr_analyze_indices): Pass in parameter the loop
	in which the scalar analysis of indices is performed.
	(create_data_ref): Same.  Update call to dr_analyze_indices.
	(find_data_references_in_stmt): Update call to create_data_ref.
	(graphite_find_data_references_in_stmt): Same.
	* tree-data-ref.h (graphite_find_data_references_in_stmt): Update
	declaration.
	(create_data_ref): Same.
	* tree-ssa-loop-prefetch.c (determine_loop_nest_reuse): Update
	call to create_data_ref.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (build_poly_scop): Move
	rewrite_commutative_reductions_out_of_ssa before find_scop_parameters.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c (close_phi_written_to_memory): Also allow
	VAR_DECL, PARM_DECL, and RESULT_DECL.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (reduction_dr_1): Allow several reductions
	in a reduction PBB.
	* graphite-sese-to-poly.c (split_reduction_stmt): Do not split PBBs
	that have already been marked as PBB_IS_REDUCTION.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-scop-detection.c (same_close_phi_node): New.
	(remove_duplicate_close_phi): New.
	(make_close_phi_nodes_unique): New.
	(canonicalize_loop_closed_ssa): Call make_close_phi_nodes_unique.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (new_poly_ddr): Call same_pdr_p.
	* graphite-poly.h (same_pdr_p): Do not expect that the PDR_TYPE
	of both data references to be the same.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (build_lexicographical_constraint): Remove
	the gdim parameter.
	(build_lexicographical_constraint): Adjust call to
	ppl_powerset_is_empty.
	(dependence_polyhedron): Same.
	(graphite_legal_transform_dr): Same.
	(graphite_carried_dependence_level_k): Same.
	* graphite-ppl.c (ppl_powerset_is_empty): Remove the nb_params
	parameter.
	* graphite-ppl.h (ppl_powerset_is_empty): Adjust declaration.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-sese-to-poly.c
	(translate_scalar_reduction_to_array_for_stmt): Call unshare_expr.
	(close_phi_written_to_memory): New.
	(translate_scalar_reduction_to_array): Call close_phi_written_to_memory
	and unshare_expr.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* doc/install.texi: Update the expected version number of PPL to 0.11.
	* graphite-ppl.c (ppl_powerset_is_empty): Remove now dead code under
	#if PPL_VERSION_MINOR < 11.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c: Include graphite-cloog-util.h.
	(new_poly_ddr): Inlined into dependence_polyhedron.
	(free_poly_ddr): Moved close by new_poly_ddr.
	(dependence_polyhedron_1): Renamed dependence_polyhedron.
	Early return NULL when ppl_powerset_is_empty returns true.
	(dependence_polyhedron): Renamed new_poly_ddr.  Call only once
	poly_drs_may_alias_p.  Avoid one call to ppl_powerset_is_empty.
	(graphite_legal_transform_dr): Call new_poly_ddr.
	(graphite_carried_dependence_level_k): Same.
	(dot_original_deps_stmt_1): Renamed dot_deps_stmt_2.  Use new_poly_ddr.
	(dot_transformed_deps_stmt_1): Removed.
	(dot_deps_stmt_1): Call dot_deps_stmt_2.
	(dot_original_deps): Renamed dot_deps_2.  Call new_poly_ddr.
	(dot_deps_1): Call dot_deps_2.
	* Makefile.in (graphite-dependences.o): Add missing dependence on
	graphite-cloog-util.h.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (new_poly_dr): Call ppl_powerset_is_empty.
	(build_lexicographical_constraint): Same.
	(dependence_polyhedron_1): Same.
	(graphite_legal_transform_dr): Same.
	(graphite_carried_dependence_level_k): Same.
	* graphite-ppl.c (ppl_powerset_is_empty): New.
	* graphite-ppl.h (ppl_powerset_is_empty): Declared.
	* tree-data-ref.c (dump_data_reference): Print the basic block index.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (build_pairwise_scheduling): Correctly compute
	the "a followed by b" relation and document it.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (build_lexicographical_constraint): Stop the
	iteration when the bag of constraints is empty.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-poly.c (pbb_remove_duplicate_pdrs): Make it work.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-interchange.c (lst_interchange_profitable_p): Takes a loop
	nest and two loop depths as parameters.
	(lst_try_interchange_loops): Call lst_interchange_profitable_p after
	lst_perfect_nestify.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-dependences.c (print_pddr): Call
	ppl_io_fprint_Pointset_Powerset_C_Polyhedron.

2011-01-25  Sebastian Pop  <sebastian.pop@amd.com>

	* graphite-ppl.c (debug_gmp_value): New.
	* graphite-ppl.h (debug_gmp_value): Declared.

2011-01-25  Tobias Grosser  <grosser@fim.uni-passau.de>

	* doc/install.texi: Document availability of cloog-0.16.

2011-01-25  Vladimir Kargov  <kargov@gmail.com>

	* graphite-scop-detection.c (canonicalize_loop_closed_ssa): Free
	invalid postdominance info.

2011-01-24  Jan Hubicka  <jh@suse.cz>

	PR c/21659
	* doc/extend.texi (weak pragma): Drop claim that it must
	appear before definition.
	* varasm.c (merge_weak, declare_weak): Only sanity check
	that DECL is not output at a time it is declared weak.

2011-01-24  Kenneth Zadeck  <zadeck@naturalbridge.com>

	* machmode.def: Fixed comments.

2011-01-24  Kai Tietz  <kai.tietz@onevision.com>

	* emit-rtl.c (reg_attrs_htab_hash): Replace long by intptr_t.

2011-01-24  Paul Koning  <ni1d@arrl.net>

	* builtins.c (c_readstr): Fix byte order if BYTES_BIG_ENDIAN !=
	WORDS_BIG_ENDIAN.

2011-01-24  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/46519
	* config/i386/i386.c: Include sbitmap.h and fibheap.h.
	(block_info): Add scanned and prev.
	(move_or_delete_vzeroupper_2): Return if the basic block
	has been scanned and the upper 128bit state is unchanged
	from the last scan.
	(move_or_delete_vzeroupper_1): Return true if the exit
	state is changed.
	(move_or_delete_vzeroupper): Visit basic blocks using the
	work-list based algorithm based on vt_find_locations in
	var-tracking.c.

	* config/i386/t-i386: Also depend on sbitmap.h and $(FIBHEAP_H).

2011-01-24  Nick Clifton  <nickc@redhat.com>

	* config/v850/v850.opt (mv850es): New option - alias for -mv850e1.
	* config/v850/v850.h (ASM_SPEC): If -mv850es is specified pass
	-mv850e1 to the assembler.  If -mv850e1 or -mv850es is specified
	then define __v850e1__.
	* doc/invoke.texi: Document -mv850es.

2011-01-24  Richard Henderson  <rth@redhat.com>

	* config/rx/predicates.md (rx_fp_comparison_operator): Don't accept
	compound unordered comparisons.
	* config/rx/rx.c (rx_split_fp_compare): Remove.
	* config/rx/rx-protos.h: Update.
	* config/rx/rx.md (gcc_conds, rx_conds): Remove.
	(cbranchsf4): Don't call rx_split_fp_compare.
	(*cbranchsf4): Use rx_split_cbranch.
	(*cmpsf): Don't accept "i" constraint.
	(*conditional_branch): Only valid after reload.
	(cstoresf4): Merge expander with insn.  Don't call rx_split_fp_compare.

2011-01-24  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47385
	* config/rs6000/altivec.md (vector constant splitters): Add
	support for creating vector single precision constants if -mvsx is
	used and we would create the constant using Altivec primitives.

2011-01-23  Bernd Schmidt  <bernds@codesourcery.com>
	    Richard Sandiford  <rdsandiford@googlemail.com>

	PR rtl-optimization/47166
	* reload1.c (emit_reload_insns): Disable the spill_reg_store
	mechanism for PRE_MODIFY and POST_MODIFY.
	(inc_for_reload): For PRE_MODIFY, return the insn that sets the
	reloadreg.

2011-01-23  Andreas Schwab  <schwab@linux-m68k.org>

	* compare-elim.c (maybe_select_cc_mode): Add ATTRIBUTE_UNUSED markers.

2011-01-22  Jan Hubicka  <jh@suse.cz>

	PR lto/47333
	* lto-cgraph.c (reachable_from_this_partition_p): Fix pasto.

2011-01-22  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/43884
	PR lto/44334
	* predict.c (maybe_hot_frequency_p): Use entry block frequency as base.
	* doc/invoke.texi (hot-bb-frequency-fraction): Update docs.

2011-01-22  Anatoly Sokolov  <aesok@post.ru>

	* config/s390/s390.h (REGISTER_MOVE_COST, MEMORY_MOVE_COST): Remove.
	* config/s390/s390.c (s390_register_move_cost,
	s390_memory_move_cost): New.
	(TARGET_REGISTER_MOVE_COST, TARGET_MEMORY_MOVE_COST): Define.

2011-01-22  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	PR middle-end/47401
	* except.c (sjlj_assign_call_site_values): Move setting the
	crtl->uses_eh_lsda flag to ...
	(sjlj_mark_call_sites): ... here.
	(sjlj_emit_function_enter): Support NULL dispatch label.
	(sjlj_build_landing_pads): In a function with no landing pads
	that still has must-not-throw regions, generate code to register
	a personality function with empty LSDA.

2011-01-21  Richard Henderson  <rth@redhat.com>

	* config/rx/rx.c (TARGET_FLAGS_REGNUM): New.

	* config/mn10300/mn10300.c (TARGET_FLAGS_REGNUM): New.

	* compare-elim.c: New file.
	* Makefile.in (OBJS-common): Add it.
	(compare-elim.o): New.
	* common.opt (fcompare-elim): New.
	* opts.c (default_options_table): Add OPT_fcompare_elim.
	* tree-pass.h (pass_compare_elim_after_reload): New.
	* passes.c (init_optimization_passes): Add it.
	* recog.h: Protect against re-inclusion.
	* target.def (TARGET_FLAGS_REGNUM): New POD hook.
	* doc/invoke.texi (-fcompare-elim): Document it.
	* doc/tm.texi.in (TARGET_FLAGS_REGNUM): Document it.
	* doc/tm.texi: Rebuild.

2011-01-22  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.md (cstoresf4): Pass comparison operator to
	rx_split_fp_compare.

2011-01-22  Nick Clifton  <nickc@redhat.com>

	* config/rx/rx.md (UNSPEC_CONST): New.
	(deallocate_and_return): Wrap the amount popped off the stack in
	an UNSPEC_CONST in order to stop it being rejected by
	-mmax-constant-size.
	(pop_and_return): Add a "(return)" rtx.
	(call): Drop the immediate operand.
	(call_internal): Likewise.
	(call_value): Likewise.
	(call_value_internal): Likewise.
	(sibcall_internal): Likewise.
	(sibcall_value_internal): Likewise.
	(sibcall): Likewise.  Generate an explicit call using
	sibcall_internal.
	(sibcall_value): Likewise.
	(mov<>): FAIL if a constant operand is not legitimate.
	(addsi3_unpsec): New pattern.

	* config/rx/rx.c (rx_print_operand_address): Handle UNSPEC CONSTs.
	(ok_for_max_constant): New function.
	(gen_safe_add): New function.
	(rx_expand_prologue): Use gen_safe_add.
	(rx_expand_epilogue): Likewise.
	(rx_is_legitimate_constant): Use ok_for_max_constant.  Handle
	UNSPEC CONSTs.

2011-01-21  Jeff Law  <law@redhat.com>

	PR tree-optimization/47053
	* tree-ssa-dse.c (need_eh_cleanup): New bitmap.
	(dse_optimize_stmt): Set the appropriate bit in NEED_EH_CLEANUP when
	statements are deleted.
	(tree_ssa_dse): Allocate & free NEED_EH_CLEANUP.  If NEED_EH_CLEANUP
	is nonempty, then purge dead edges and cleanup the CFG.

2011-01-21  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47402
	Temporarily revert:
	2011-01-21  Alexandre Oliva  <aoliva@redhat.com>
	PR debug/47106
	* tree-dfa.c (create_var_ann): Mark variable as used.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/45566
	* except.c (convert_to_eh_region_ranges): Emit queued no-region
	notes from other section in hot/cold partitioning even if
	last_action is -3.  Increment call_site_base.

	PR rtl-optimization/47366
	* fwprop.c (forward_propagate_into): Return bool.  If
	any changes are made, -fnon-call-exceptions is used and
	REG_EH_REGION note is present, call purge_dead_edges
	and return true if it purged anything.
	(fwprop_addr): Adjust callers, call cleanup_cfg (0) if
	any EH edges were purged.

2011-01-21  Jeff Law  <law@redhat.com>

	PR rtl-optimization/41619
	* caller-save.c (setup_save_areas): Break out code to determine
	which hard regs are live across calls by examining the reload chains
	so that it is always used.
	Eliminate code which checked REG_N_CALLS_CROSSED.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47355
	* tree-eh.c (cleanup_empty_eh_merge_phis): Give up if
	NOP has non-debug uses beyond PHIs in new_bb.

2011-01-21  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47106
	* cfgexpand.c (account_used_vars_for_block): Only account vars
	that are annotated as used.
	(estimated_stack_frame_size): Don't set TREE_USED.
	* tree-dfa.c (create_var_ann): Mark variable as used.

2011-01-21  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47395
	* tree.def (WIDEN_MULT_MINUS_EXPR): Fix printed name.

2011-01-21  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47365
	* tree-ssa-sccvn.h (vn_lookup_kind): Declare.
	(vn_reference_lookup_pieces): Adjust.
	(vn_reference_lookup): Likewise.
	* tree-ssa-sccvn.c (vn_walk_kind): New static global.
	(vn_reference_lookup_3): Only look through kills if in
	VN_WALKREWRITE mode.
	(vn_reference_lookup_pieces): Adjust.
	(vn_reference_lookup): Likewise.
	(visit_reference_op_load): Likewise.
	(visit_reference_op_store): Likewise.
	* tree-ssa-pre.c (phi_translate_1): Use VN_WALK mode.
	(compute_avail): Likewise.
	(eliminate): Likewise.

2011-01-21  Jakub Jelinek  <jakub@redhat.com>

	* tree-ssa-live.c (remove_unused_scope_block_p): Don't remove
	DECL_IGNORED_P non-reg vars if they are used.

	PR tree-optimization/47391
	* varpool.c (const_value_known_p): Return false if
	decl is volatile.

2011-01-21  Kai Tietz  <kai.tietz@onevision.com>

	PR bootstrap/47215
	* config/i386/i386.c (ix86_local_alignment): Handle
	case for va_list_type_node is nil.
	(ix86_canonical_va_list_type): Likewise.

2011-01-21  Alan Modra  <amodra@gmail.com>

	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Add
	builtin_define __CMODEL_MEDIUM__ and __CMODEL_LARGE__.

2011-01-20  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/arm.md (define_attr type): Rename f_load
	and f_store to f_fpa_load and f_fpa_store. Update.
	(write_conflict): Deal with rename fallout.
	(*push_fp_multi): Likewise.
	* config/arm/fpa.md (f_load): Use f_fpa_load.
	(f_store): Use f_fpa_store.
	(*movsf_fpa): Likewise.
	(*movdf_fpa): Likewise.
	(*movxf_fpa): Likewise.
	(*thumb2_movsf_fpa): Likewise.
	(*thumb2_movdf_fpa): Likewise.
	(*thumb2_movxf_fpa): Likewise.
	* config/arm/vfp.md (*thumb2_movdf_vfp): Fix attribute to
	f_loadd and f_stored.
	(*thumb2_movdi_vfp): Likewise.
	(*thumb2_movsf_vfp): Fix attribute to f_loads.
	(*thumb2_movsi_vfp): Likewise.
	* config/arm/cortex-m4-fpu.md (cortex_m4_f_load):
	Use f_loads instead of f_load.
	* config/arm/cortex-a5.md (cortex_a5_f_loads): Remove f_load.

2011-01-20  Anatoly Sokolov  <aesok@post.ru>

	* config/xtensa/xtensa.h (GO_IF_MODE_DEPENDENT_ADDRESS): Remove.
	* config/xtensa/xtensa-protos.h (constantpool_address_p): Remove.
	* config/xtensa/xtensa.c (TARGET_MODE_DEPENDENT_ADDRESS_P): Define.
	(xtensa_mode_dependent_address_p): New function.
	(constantpool_address_p): Make static. Change return type to bool.
	Change argument type to const_rtx. Use CONST_INT_P predicate.

2011-01-20  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/46583
	* tree-ssa-live.c (remove_unused_scope_block_p): Keep type decls.

2011-01-20  Jakub Jelinek  <jakub@redhat.com>

	PR debug/47283
	* cfgexpand.c (expand_debug_expr): Instead of generating
	(mem (debug_implicit_ptr)) for MEM_REFs use COMPONENT_REF
	etc. handling.

2011-01-20  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47370
	* tree-inline.c (remap_gimple_op_r): Recurse manually for
	the pointer operand of MEM_REFs.

2011-01-20  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/46130
	* ipa-split.c (consider_split): If return_bb contains non-virtual
	PHIs other than for retval or if split_function would not adjust it,
	refuse to split.

2011-01-20  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47167
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce):
	Revert previous change, only avoid enumeral type changes.

2011-01-19  Mike Stump  <mikestump@comcast.net>

	* doc/tm.texi.in (BRANCH_COST): Englishify.
	* doc/tm.texi (BRANCH_COST): Likewise.

2011-01-19  Dodji Seketeli  <dodji@redhat.com>

	PR c++/47291
	* dwarf2out.c (generic_type_p, schedule_generic_params_dies_gen)
	(gen_scheduled_generic_parms_dies): New functions.
	(gen_struct_or_union_type_die): Schedule template parameters DIEs
	generation for the end of CU compilation.
	(dwarf2out_finish): Generate template parameters DIEs here.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/46240
	* tree-into-ssa.c (maybe_register_def): Do not attempt to add
	debug bind stmt on merge edges.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

	PR debug/47079
	PR debug/46724
	* function.c (instantiate_expr): Instantiate incoming rtl of
	implicit arguments, and recurse on VALUE_EXPRs.
	(instantiate_decls): Instantiate rtl and VALUE_EXPR of result.
	* var-tracking.c (adjust_mems): Reject virtual_incoming_args_rtx.

2011-01-19  Alexandre Oliva  <aoliva@redhat.com>

	* c-parser.c (c_parser_for_statement): Initialize
	collection_expression.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

	* config/spu/spu-elf.h (ASM_SPEC): Remove %{w:-W}.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/sysv4.h (LINK_PATH_SPEC): Remove.
	(LINK_SHLIB_SPEC): Don't use %(link_path).
	(SUBTARGET_EXTRA_SPECS): Remove link_path.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/sysv4.h (SHARED_LIB_SUPPORT): Remove conditional.
	(NO_SHARED_LIB_SUPPORT): Remove.
	(LINK_SHLIB_SPEC): Remove one conditional definition.

2011-01-19  Joseph Myers  <joseph@codesourcery.com>

	* config/mips/linux64.h (LINK_SPEC): Remove %{non_shared}
	%{call_shared}.
	* config/mips/mips.h (LINK_SPEC): Remove %{non_shared}.
	* config/mips/netbsd.h (LINK_SPEC): Remove %{call_shared}.
	* config/mips/openbsd.h (LINK_SPEC): Remove %{non_shared}
	%{call_shared} and conditionals on these options not being passed.
	* config/mips/sde.h (LINK_SPEC): Remove %{non_shared}
	%{call_shared}.

2011-01-19  Jakub Jelinek  <jakub@redhat.com>

	* ipa-split.c (find_return_bb): Use single_pred_p/single_pred_edge,
	simplify.

	* ipa-split.c: Spelling fixes.

2011-01-19  Richard Henderson  <rth@redhat.com>

	* config/mn10300/mn10300.md (mulsi3): Use reg_or_am33_const_operand.
	(*mulsi3): Likewise.

	* longlong.h [__mn10300__] (count_leading_zeros): New.
	[__mn10300__] (umul_ppmm, smul_ppmm): New.
	[__mn10300__] (add_ssaaaa, subddmmss): New.
	[__mn10300__] (udiv_qrnnd, sdiv_qrnnd): New.
	[__mn10300__] (UMUL_TIME, UDIV_TIME): New.

2011-01-19  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.h (MOVE_RATIO): Return 4 in the !speed case.

2011-01-19  Richard Henderson  <rth@redhat.com>

	* config/mn10300/mn10300.md (addsi3_flags): New.
	(addc_internal, adddi3, adddi3_internal, *adddi3_degenerate): New.
	(subsi3_flags, subc_internal, subdi3): New.
	(subdi3_internal, *subdi3_degenerate): New.
	* config/mn10300/predicates.md (reg_or_am33_const_operand): New.

	* config/mn10300/mn10300.c (mn10300_can_use_retf_insn): New.
	(mn10300_can_use_rets_insn): Rename from mn10300_can_use_return_insn.
	(mn10300_expand_epilogue): Use it.  Compute REG_SAVE_BYTES once.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.md (return): Use mn10300_can_use_retf_insn.
	(return_ret): Likewise.  Rename from return_internal_regs.
	(return_internal): Remove.

	* config/mn10300/mn10300.c (mn10300_unspec_int_label_counter): Remove.
	(mn10300_asm_output_addr_const_extra): Don't handle UNSPEC_INT_LABEL.
	(mn10300_legitimate_constant_p): Likewise.
	(mn10300_can_use_return_insn): Use mn10300_initial_offset.
	(mn10300_frame_size): New.
	(mn10300_expand_prologue): Use it.
	(mn10300_expand_epilogue): Likewise.
	(mn10300_initial_offset): Likewise.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.h (mn10300_unspec_int_label_counter): Remove.
	* config/mn10300/mn10300.md (UNSPEC_INT_LABEL): Remove.
	(prologue, epilogue, return_internal): Tidy output code.
	(mn10300_store_multiple_operation, return): Likewise.
	(int_label, pop_pic_reg, GOTaddr2picreg): Remove.
	(am33_loadPC, mn10300_loadPC, call_next_insn): Remove.
	(add_GOT_to_pic_reg, add_GOT_to_any_reg): Remove.
	(load_pic, am33_load_pic): New.
	(mn10300_load_pic0, mn10300_load_pic1): New.

	* config/mn10300/mn10300-modes.def (CCZN, CCZNC): New modes.
	* config/mn10300/mn10300.c (CC_FLAG_Z): New.
	(CC_FLAG_N, CC_FLAG_C, CC_FLAG_V): New.
	(cc_flags_for_mode, cc_flags_for_code): New.
	(mn10300_print_operand) ['B']: Use nc/ns for GE/LT when the
	overflow flag is not valid.  Validate that the flags we need
	for the comparison are valid.
	(mn10300_output_cmp): Remove.
	(mn10300_output_add): New.
	(mn10300_select_cc_mode): Use cc_flags_for_code.
	(mn10300_split_cbranch): New.
	(mn10300_match_ccmode): New.
	(mn10300_split_and_operand_count): New.
	* config/mn10300/mn10300.h (SELECT_CC_MODE): Pass all of the arguments
	to the function.
	* config/mn10300/mn10300.md (*am33_addsi3, *mn10300_addsi3): Merge...
	(addsi3): ... here.  Use mn10300_output_add.
	(*addsi3_flags): New.
	(*am33_subsi3, *mn10300_subsi3): Merge...
	(subsi3): ... here.  Use attribute isa.
	(*subsi3_flags): New.
	(negsi2): Rewrite from expander to insn_and_split.  Use NOT+INC
	when possible.
	(*am33_andsi3, *mn10300_andsi3): Merge...
	(andsi3): ... here.
	(*andsi3_flags): New.
	(andsi3 splitters): New.
	(*am33_iorsi3, *mn10300_iorsi3): Merge...
	(iorsi3): ... here.
	(*iorsi3_flags): New.
	(*am33_xorsi3, *mn10300_xorsi3): Merge...
	(xorsi3): ... here.
	(*xorsi3_flags): New.
	(*am33_cmpsi2, *mn10300_cmplsi2): Merge...
	(one_cmplsi2): ... here.
	(*one_cmplsi2_flags): New.
	(*cbranchsi4_cmp): Rename from cbranchsi4_post_reload.  Use "r"
	instead of "dax" in constraints.  Use mn10300_split_cbranch.
	(*cmpsi): Rename from cmpsi.  Do not use mn10300_output_cmp.  Do not
	use matching constraints to eliminate a self-comparison.
	(*integer_conditional_branch): Rename from integer_conditional_branch.
	Use int_mode_flags to match CC_REG.
	(*cbranchsi4_btst, *btstsi): New.
	(*cbranchsf4_cmp): Rename from *cbranchsf4_post_reload.  Use
	mn10300_split_cbranch.
	(*am33_cmpsf): Rename from am33_cmpsf.
	(*float_conditional_branch): Rename from float_conditional_branch.
	(*zero_extendqisi2_am33, *zero_extendqisi2_mn10300): Merge...
	(zero_extendqisi2): ... here.
	(*zero_extendhisi2_am33, *zero_extendhisi2_mn10300): Merge...
	(zero_extendhisi2): ... here.
	(*extendqisi2_am33, *extendqisi2_mn10300): Merge...
	(extendqisi2): ... here.
	(*extendhisi2_am33, *extendhisi2_mn10300): Merge...
	(extendhisi2): ... here.
	(*am33_ashlsi3, *mn10300_ashlsi3): Merge...
	(ashlsi3): ... here.
	(*am33_lshrsi3, *mn10300_lshrsi3): Merge...
	(lshrsi3): ... here.
	(*am33_ashrisi3, *mn10300_ashrsi3): Merge...
	(ashrsi3): ... here.
	(consecutive add peephole): Remove.
	* config/mn10300/predicates.md (label_ref_operand): New.
	(int_mode_flags): New.
	(CCZN_comparison_operator): New.

	* config/mn10300/mn10300.md (UNSPEC_EXT): New.
	(throughput_42_latency_43): New reservation.
	(mulsidi3, umulsidi3): New expanders.
	(mulsidi3_internal): Rewrite from old mulsidi3 pattern.  Expose
	the MDR register to allocation; separately allocate the low and
	high parts of the DImode result.
	(umulsidi3_internal): Similarly.
	(*am33_mulsi3, *mn10300_mulsi3): Merge into ...
	(*mulsi3): ... here.  Clobber MDR as a scratch as necessary.
	(udivsi3, umodsi3): Remove.
	(udivmodsi4, divmodsi4): New expanders.
	(*udivmodsi4): Rename from udivmodsi4.  Expose MDR properly.
	(*divmodsi4): Simiarly.
	(ext_internal): New.

	* config/mn10300/constraints.md ("z"): New constraint.
	* config/mn10300/mn10300.h (MDR_REGNUM): Remove.
	(FIXED_REGISTERS): Don't fix MDR.
	(CALL_USED_REGSITERS): Reformat nicely.
	(REG_ALLOC_ORDER): Add MDR.
	(enum regclass): Add MDR_REGS.
	(REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update to match.
	(IRA_COVER_CLASSES): Add MDR_REGS.
	(REGNO_REG_CLASS): Handle MDR_REG.
	* config/mn10300/mn10300.c (mn10300_secondary_reload): Handle MDR_REGS.
	(mn10300_register_move_cost): Likewise.
	* config/mn10300/mn10300.md (MDR_REG): New.
	(*movsi_internal): Handle moves to/from MDR_REGS.

	* config/mn10300/mn10300.c (mn10300_print_operand_address): Handle
	POST_MODIFY.
	(mn10300_secondary_reload): Tidy combination reload classes.
	(mn10300_legitimate_address_p): Allow post-modify and reg+reg
	addresses for AM33.  Allow symbolic offsets for reg+imm.
	(mn10300_regno_in_class_p): New.
	(mn10300_legitimize_reload_address): New.
	* config/mn10300/mn10300.h (enum reg_class): Remove
	DATA_OR_ADDRESS_REGS, DATA_OR_EXTENDED_REGS, ADDRESS_OR_EXTENDED_REGS,
	SP_OR_EXTENDED_REGS, SP_OR_ADDRESS_OR_EXTENDED_REGS.  Add
	SP_OR_GENERAL_REGS.
	(REG_CLASS_NAMES): Update to match.
	(REG_CLASS_CONTENTS): Likewise.
	(INDEX_REG_CLASS): Use GENERAL_REGS for AM33.
	(BASE_REG_CLASS): Use SP_OR_GENERAL_REGS for AM33.
	(REGNO_IN_RANGE_P): Remove.
	(REGNO_DATA_P): Use mn10300_regno_in_class_p.
	(REGNO_ADDRESS_P, REGNO_EXTENDED_P): Likewise.
	(REGNO_STRICT_OK_FOR_BASE_P): Likewise.
	(REGNO_STRICT_OK_FOR_BIT_BASE_P): Likewise.
	(REGNO_STRICT_OK_FOR_INDEX_P): Likewise.
	(REGNO_SP_P, REGNO_AM33_P, REGNO_FP_P): Remove.
	(REGNO_GENERAL_P): New.
	(HAVE_POST_MODIFY_DISP): New.
	(USE_LOAD_POST_INCREMENT, USE_STORE_POST_INCREMENT): New.
	(LEGITIMIZE_RELOAD_ADDRESS): New.
	* config/mn10300/mn10300-protos.h: Update.

	* config/mn10300/mn10300.c (mn10300_preferred_reload_class): Allow
	DATA_REGS for AM33 stack-pointer destination.
	(mn10300_preferred_output_reload_class): Likewise.
	(mn10300_secondary_reload): Rearrange mn10300_secondary_reload_class
	into a form appropriate for ...
	(TARGET_SECONDARY_RELOAD): New.
	* config/mn10300/mn10300.h (SECONDARY_RELOAD_CLASS): Remove.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.md (reload_plus_sp_const): Rename from
	reload_insi; use the "A" constraint for the scratch; handle AM33
	moves of sp to non-address registers.

	* config/mn10300/mn10300.md (*am33_movqi, *mn10300_movqi): Merge into
	(*movqi_internal): ... here.
	(*am33_movhi, *mn10300_movhi): Merge into...
	(*movhi_internal): ... here.
	(*movsi_internal): Use "r" instead of "dax" in constraints.  Use "A"
	as the source/destination of moves from/to SP.
	(movsf): Only allow for AM33-2.
	(*movsf_internal): Use "r" instead of "dax"; use "F" instead of
	any integer constant constraint.  Only allow for AM33-2.  Tidy
	all of the alternative outputs.
	(movdi, movdf, *am33_2_movdf, *mn10300_movdf): Remove.
	(udivmodsi4): Delete expander and promote *udivmodsi4.  Disallow
	for MN103.
	(udivsi3, umodsi3): New patterns for MN103 only.

2011-01-19  Joern Rennecke  <amylaar@spamcop.net>

	* doc/tm.texi.in: Spell out that a lack of register class unions
	can lead to ICEs.
	* doc/tm.texi: Regenerate.

2011-01-19  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/47337
	* dce.c (check_argument_store): New function.
	(find_call_stack_args): Ignore debug insns.  Use check_argument_store.

	PR tree-optimization/47290
	* tree-eh.c (infinite_empty_loop_p): New function.
	(cleanup_empty_eh): Use it.

2011-01-18  Steve Ellcey  <sje@cup.hp.com>

	PR target/46997
	* ia64.c (ia64_expand_unpack): Fix code for TARGET_BIG_ENDIAN.
	(a64_expand_widen_sum): Ditto.
	* vect.md (mulv2si3): Disable for TARGET_BIG_ENDIAN.
	(vec_extract_evenodd_help): Ditto.
	(vec_extract_evenv4hi): Ditto.
	(vec_extract_oddv4hi): Ditto.
	(vec_extract_evenv2si): Ditto.
	(vec_extract_oddv2si): Ditto.
	(vec_extract_evenv2sf): Ditto.
	(vec_extract_oddv2sf): Ditto.
	(vec_pack_trunc_v4hi: Ditto.
	(vec_pack_trunc_v2si): Ditto.
	(vec_interleave_lowv8qi): Fix for TARGET_BIG_ENDIAN.
	(vec_interleave_highv8qi): Ditto.
	(mix1_r): Ditto.
	(vec_extract_oddv8qi): Ditto.
	(vec_interleave_lowv4hi): Ditto.
	(vec_interleave_highv4hi): Ditto.
	(vec_interleave_lowv2si): Ditto.
	(vec_interleave_highv2si): Ditto.

2011-01-18  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>

	* doc/extend.texi: Mention __float128 support on hppa HP-UX.
	* config/pa/pa-hpux.h (HPUX_LONG_DOUBLE_LIBRARY): Define to 1.
	* config/pa/pa.c (pa_expand_builtin): New.  Include "langhooks.h".
	(pa_c_mode_for_suffix): New.
	(TARGET_EXPAND_BUILTIN): Define.
	(TARGET_C_MODE_FOR_SUFFIX): Define.
	(pa_builtins): Define.
	(pa_init_builtins): Register __float128 type and init new support
	builtins.
	* config/pa/pa.h (HPUX_LONG_DOUBLE_LIBRARY): Define if not defined.
	* config/pa/quadlib.c (_U_Qfcopysign): New.

2011-01-18  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/46894
	* explow.c (allocate_dynamic_stack_space): Do not assume more than
	BITS_PER_UNIT alignment if STACK_DYNAMIC_OFFSET or STACK_POINTER_OFFSET
	are defined.

2011-01-18  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	PR tree-optimization/47179
	* config/spu/spu.c (spu_ref_may_alias_errno): New function.
	(TARGET_REF_MAY_ALIAS_ERRNO): Define.

2011-01-18  Richard Guenther  <rguenther@suse.de>

	PR rtl-optimization/47216
	* emit-rtl.c: Include tree-flow.h.
	(set_mem_attributes_minus_bitpos): Use tree_could_trap_p instead
	of replicating it with different semantics.
	* Makefile.in (emit-rtl.o): Adjust.

2011-01-18  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	* config/arm/cortex-a9.md (cortex-a9-neon.md): Actually include.
	(cortex_a9_dp): Handle neon types correctly.

2011-01-18  Jakub Jelinek  <jakub@redhat.com>

	PR rtl-optimization/47299
	* expr.c (expand_expr_real_2) <case WIDEN_MULT_EXPR>: Don't use
	subtarget.  Use normal multiplication if both operands are constants.
	* expmed.c (expand_widening_mult): Don't try to optimize constant
	multiplication if op0 has VOIDmode.  Convert op1 constant to mode
	before using it.

2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/lto.texi (LTO): Ensure two spaces after period.  Fix
	spacing after 'e.g.', typos, comma, hyphenation.

2011-01-17  Richard Henderson  <rth@redhat.com>

	* config/rx/predicates.md (rx_constshift_operand): Use match_test.
	(rx_restricted_mem_operand): New.
	(rx_shift_operand): Use register_operand.
	(rx_source_operand, rx_compare_operand): Likewise.
	* config/rx/rx.md (addsi3_flags): New expander.
	(adddi3): Rewrite as expander.
	(adc_internal, *adc_flags, adddi3_internal): New patterns.
	(subsi3_flags): New expander.
	(subdi3): Rewrite as expander.
	(sbb_internal, *sbb_flags, subdi3_internal): New patterns.

	* config/rx/rx.c (RX_BUILTIN_SAT): Remove.
	(rx_init_builtins): Remove sat builtin.
	(rx_expand_builtin): Likewise.
	* config/rx/rx.md (ssaddsi3): New.
	(*sat): Rename from sat.  Represent the CC_REG input.

	* config/rx/predicates.md (rshift_operator): New.
	* config/rx/rx.c (rx_expand_insv): Remove.
	* config/rx/rx-protos.h: Update.
	* config/rx/rx.md (*bitset): Rename from bitset.  Swap the ashift
	operand to the canonical position.
	(*bitset_in_memory, *bitinvert, *bitinvert_in_memory): Similarly.
	(*bitclr, *bitclr_in_memory): Similarly.
	(*insv_imm, rx_insv_reg, *insv_cond, *bmcc, *insv_cond_lt): New.
	(insv): Retain the zero_extract in the expansion.

	* config/rx/rx.md (bswapsi2): Use = not + for output reload.
	(bswaphi2, bitinvert, revw): Likewise.

	* config/rx/rx.c (gen_rx_store_vector): Use VOIDmode for gen_rtx_SET.
	(gen_rx_rtsd_vector, gen_rx_popm_vector): Likewise.
	* config/rx/rx.md (pop_and_return): Use VOIDmode for SET.
	(stack_push, stack_pushm, stack_pop, stack_popm): Likewise.
	(bitset, bitset_in_memory): Likewise.
	(bitinvert, bitinvert_in_memory): Likewise.
	(bitclr, bitclr_in_memory): Likewise.
	(insv, sync_lock_test_and_setsi, movstr, rx_movstr): Likewise.
	(rx_strend, rx_cmpstrn): Likewise.
	(rx_setmem): Likewise.  Make the source BLKmode to match the dest.
	(bitop peep2 patterns): Remove.

	* config/rx/rx.c (rx_match_ccmode): New.
	* config/rx/rx-protos.h: Update.
	* config/rx/rx.md (abssi2): Clobber, don't set flags.
	(addsi3, adddi3, andsi3, negsi2, one_cmplsi2, iorsi3): Likewise.
	(rotlsi3, rotrsi3, ashrsi3, lshrsi3, ashlsi3): Likewise.
	(subsi3, subdi3, xorsi3, addsf3, divsf3, mulsf3, subsf3): Likewise.
	(fix_truncsfsi2, floatsisf2): Likewise.
	(*abssi2_flags, *addsi3_flags, *andsi3_flags, *negsi2_flags): New.
	(*one_cmplsi2_flags, *iorsi3_flags, *rotlsi3_flags): New.
	(*rotrsi3_flags, *ashrsi3_flags, *lshrsi3_flags, *ashlsi3_flags): New.
	(*subsi3_flags, *xorsi3_flags): New.

	* config/rx/rx.md (cstoresf4, *cstoresf4): New patterns.

	* config/rx/rx.c (rx_print_operand): Remove workaround for
	unsplit comparison operations.

	* config/rx/rx.md (movsicc): Split after reload.
	(*movsicc): Merge *movsieq and *movsine via match_operator.
	(*stcc): New pattern.

	* config/rx/rx.c (rx_float_compare_mode): Remove.
	* config/rx/rx.h (rx_float_compare_mode): Remove.
	* config/rx/rx.md (cstoresi4): Split after reload.
	(*sccc): New pattern.

	* config/rx/predicates.md (label_ref_operand): New.
	(rx_z_comparison_operator): New.
	(rx_zs_comparison_operator): New.
	(rx_fp_comparison_operator): New.
	* config/rx/rx.c (rx_print_operand) [B]: Examine comparison modes.
	Validate that the flags are set properly for the comparison.
	(rx_gen_cond_branch_template): Remove.
	(rx_cc_modes_compatible): Remove.
	(mode_from_flags): New.
	(flags_from_code): Rename from flags_needed_for_conditional.
	(rx_cc_modes_compatible): Re-write in terms of flags_from_mode.
	(rx_select_cc_mode): Likewise.
	(rx_split_fp_compare): New.
	(rx_split_cbranch): New.
	* config/rx/rx.md (most_cond, zs_cond): Remove iterators.
	(*cbranchsi4): Use match_operator and rx_split_cbranch.
	(*cbranchsf4): Similarly.
	(*cbranchsi4_tst): Rename from *tstbranchsi4_<code>.  Use
	match_operator and rx_split_cbranch.
	(*cbranchsi4_tst_ext): Combine *tstbranchsi4m_eq and
	tstbranchsi4m_ne.  Use match_operator and rx_split_cbranch.
	(*cmpsi): Rename from cmpsi.
	(*tstsi): Rename from tstsi.
	(*cmpsf): Rename from cmpsf; use CC_Fmode.
	(*conditional_branch): Rename from conditional_branch.
	(*reveresed_conditional_branch): Remove.
	(b<code>): Remove expander.
	* config/rx/rx-protos.h: Update.

	* config/rx/rx.c (rx_compare_redundant): Remove.
	* config/rx/rx.md (cmpsi): Don't use it.
	* config/rx/rx-protos.h: Update.

	* config/rx/rx-modes.def (CC_F): New mode.
	* config/rx/rx.c (rx_select_cc_mode): New.
	* config/rx/rx.h (SELECT_CC_MODE): Use it.
	* config/rx/rx-protos.h: Update.

2011-01-17  Richard Henderson  <rth@redhat.com>

	* except.c (dump_eh_tree): Fix stray ; after for statement.

2011-01-17  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47313
	* tree-inline.c (tree_function_versioning): Move DECL_RESULT
	handling before copying the body.  Properly deal with
	by-reference result in SSA form.

2011-01-17  Ian Lance Taylor  <iant@google.com>

	PR target/47219
	* config/sparc/sparc.c (sparc_sr_alias_set): Don't define.
	(struct_value_alias_set): Don't define.
	(sparc_option_override): Don't set sparc_sr_alias_set and
	struct_value_alias_set.
	(save_or_restore_regs): Use gen_frame_mem rather than calling
	set_mem_alias_set.
	(sparc_struct_value_rtx): Likewise.

2011-01-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/47318
	* config/i386/avxintrin.h (_mm_maskload_pd): Change mask to __m128i.
	(_mm_maskstore_pd): Likewise.
	(_mm_maskload_ps): Likewise.
	(_mm_maskstore_ps): Likewise.
	(_mm256_maskload_pd): Change mask to __m256i.
	(_mm256_maskstore_pd): Likewise.
	(_mm256_maskload_ps): Likewise.
	(_mm256_maskstore_ps): Likewise.

	* config/i386/i386-builtin-types.def: Updated.
	(ix86_expand_special_args_builtin): Likewise.

	* config/i386/i386.c (bdesc_special_args): Update
	__builtin_ia32_maskloadpd, __builtin_ia32_maskloadps,
	__builtin_ia32_maskloadpd256, __builtin_ia32_maskloadps256,
	__builtin_ia32_maskstorepd, __builtin_ia32_maskstoreps,
	__builtin_ia32_maskstorepd256 and __builtin_ia32_maskstoreps256.

	* config/i386/sse.md (avx_maskload<ssemodesuffix><avxmodesuffix>):
	Use <avxpermvecmode> on mask register.
	(avx_maskstore<ssemodesuffix><avxmodesuffix>): Likewise.

2011-01-17  Olivier Hainque  <hainque@adacore.com>
	    Michael Haubenwallner  <michael.haubenwallner@salomon.at>
	    Eric Botcazou  <ebotcazou@adacore.com>

	PR target/46655
	* xcoffout.c (ASM_OUTPUT_LINE): Output line only if positive, and only
	if <= USHRT_MAX in 32-bit mode.

2011-01-17  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/install.texi (Configuration, Specific): Wrap long
	lines in examples.  Allow line wrapping in long options
	and URLs where beneficial for PDF output.

2011-01-16  Richard Sandiford  <rdsandiford@googlemail.com>

	* config/mips/mips.c (mips_classify_symbol): Don't return
	SYMBOL_PC_RELATIVE for nonlocal labels.

2011-01-15  Eric Botcazou  <ebotcazou@adacore.com>

	* config/sparc/sol2-bi.h (CC1_SPEC): Fix typo.

2011-01-15  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/47276
	* ipa.c (function_and_variable_visibility): Do not try to mark alias
	declarations as needed.

2011-01-15  Martin Jambor  <mjambor@suse.cz>

	* common.opt (fdevirtualize): New flag.
	* doc/invoke.texi (Option Summary): Document it.
	* opts.c (default_options_table): Add devirtualize flag.
	* ipa-prop.c (detect_type_change): Return immediately if
	devirtualize flag is not set.
	(detect_type_change_ssa): Likewise.
	(compute_known_type_jump_func): Likewise.
	(ipa_analyze_virtual_call_uses): Likewise.

2011-01-14  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/45934
	PR tree-optimization/46302
	* ipa-prop.c (type_change_info): New type.
	(stmt_may_be_vtbl_ptr_store): New function.
	(check_stmt_for_type_change): Likewise.
	(detect_type_change): Likewise.
	(detect_type_change_ssa): Likewise.
	(compute_complex_assign_jump_func): Check for dynamic type change.
	(compute_complex_ancestor_jump_func): Likewise.
	(compute_known_type_jump_func): Likewise.
	(compute_scalar_jump_functions): Likewise.
	(ipa_analyze_virtual_call_uses): Likewise.
	(ipa_analyze_node): Push and pop cfun, set current_function_decl.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/i386.h (CC1_CPU_SPEC_1): Don't handle -msse5.
	* config/i386/i386.opt (msse5): New Alias.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/linux.h (CC1_SPEC): Remove %{sun4:} %{target:}.
	* config/sparc/linux64.h (CC1_SPEC): Likewise.
	* config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
	* config/sparc/sparc.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/linux.h (CC1_SPEC): Don't handle old equivalents of
	-mcpu options.
	* config/sparc/linux64.h (CC1_SPEC): Likewise.
	* config/sparc/netbsd-elf.h (CC1_SPEC32, CC1_SPEC64): Likewise.
	* config/sparc/sol2-bi.h (CPP_CPU_SPEC, CC1_SPEC): Likewise.
	* config/sparc/sparc.h (CPP_CPU_SPEC, CC1_SPEC, ASM_CPU_SPEC):
	Likewise.
	* config/sparc/t-elf (MULTILIB_MATCHES): Don't handle -mv8.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/rs6000/vxworks.h (CC1_SPEC): Don't handle -fvec or -fvec-eabi.

2011-01-14  Mike Stump  <mikestump@comcast.net>

	* config/alpha/alpha.md (umk_mismatch_args): Don't put a mode on set.
	* config/fr30/fr30.md: Likweise
	(movsi_push): Likewise.
	(movsi_pop): Likewise.
	(enter_func): Likewise.
	* config/moxie/moxie.md (movsi_push): Likewise.
	(movsi_pop): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/mips/linux64.h (LINK_SPEC): Remove %{bestGnum}
	%{no_archive} %{exact_version}.
	* config/mips/mips.h (LINK_SPEC): Remove %{bestGnum}.
	* config/mips/netbsd.h (LINK_SPEC): Remove %{bestGnum}
	%{no_archive} %{exact_version}.
	* config/mips/openbsd.h (LINK_SPEC): Likewise.
	* config/mips/sde.h (LINK_SPEC): Remove %{bestGnum}.
	* config/mips/vxworks.h: Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/microblaze/microblaze.h (ASM_SPEC): Remove %{microblaze1}.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/m32r/little.h (CPP_ENDIAN_SPEC, CC1_ENDIAN_SPEC,
	ASM_ENDIAN_SPEC, LINK_ENDIAN_SPEC): Remove.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/nwld.h (LINK_SPEC): Check -nodefaultlibs not
	-nodefaultlib.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/cris/cris.h (ASM_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check
	for mcpu not cpu.
	* config/cris/linux.h (CRIS_CPP_SUBTARGET_SPEC,
	CRIS_CC1_SUBTARGET_SPEC, CRIS_ASM_SUBTARGET_SPEC): Check for mcpu
	not cpu.
	(CRIS_LINK_SUBTARGET_SPEC): Don't generate -rpath-link options.
	Don't handle -shlib.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/avr/avr.h (CPP_SPEC): Don't handle -posix.
	(CC1_SPEC): Don't handle -profile.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/microblaze/microblaze.h (CC1_SPEC): Remove -gline spec.
	* config/mips/mips.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/microblaze/microblaze.h (CC1_SPEC): Remove %{save-temps: }.
	* config/mips/mips.h (CC1_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/i386/linux.h (LINK_SPEC): Don't use %{!ibcs:} conditional.
	* config/m32r/linux.h (LINK_SPEC): Likewise.
	* config/mips/linux.h (LINK_SPEC): Likewise.
	* config/mips/linux64.h (LINK_SPEC): Likewise.
	* config/sparc/linux.h (LINK_SPEC): Likewise.
	* config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
	LINK_SPEC): Likewise.
	* config/xtensa/linux.h (LINK_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove
	%{version:-v}.
	* config/lm32/uclinux-elf.h (LINK_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/sparc/sp-elf.h (ASM_SPEC): Remove %{v:-V}.
	* config/sparc/sp64-elf.h (ASM_SPEC): Likewise.

2011-01-14  Joseph Myers  <joseph@codesourcery.com>

	* config/arm/linux-elf.h (LINUX_TARGET_LINK_SPEC): Remove %{b}.

2011-01-14  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	* configure.ac (gcc_cv_ld_static_dynamic): Solaris 2 ld always
	supports -Bstatic/-Bdynamic.
	* configure: Regenerate.

2011-01-14  Jan Hubicka  <jh@suse.cz>
	    Jack Howarth  <howarth@bromo.med.uc.edu>

	PR target/46037
	* config/darwin.c (darwin_override_options): Honor flag_gtoggle
	when checking debug_info_level. Test write_symbols instead of
	debug_hooks->var_location when setting flag_var_tracking_uninit.

2011-01-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47179
	* target.def (ref_may_alias_errno): New target hook.
	* targhooks.h (default_ref_may_alias_errno): Declare.
	* targhooks.c: Include tree-ssa-alias.h and tree-flow.h.
	(default_ref_may_alias_errno): New function.
	* target.h (struct ao_ref_s): Declare.
	* tree-ssa-alias.c: Include target.h.
	(call_may_clobber_ref_p_1): Use the ref_may_alias_errno target hook.
	* Makefile.in (tree-ssa-alias.o): Adjust dependencies.
	(targhooks.o): Likewise.
	* doc/tm.texi.in (TARGET_REF_MAY_ALIAS_ERRNO): Document.
	* doc/tm.texi (TARGET_REF_MAY_ALIAS_ERRNO): Copy documentation.

2011-01-14  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c  (new_var_info): Use DECL_HARD_REGISTER.

2011-01-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47280
	* tree-ssa-forwprop.c (associate_plusminus): Cleanup EH and
	return CFG changes.
	(tree_ssa_forward_propagate_single_use_vars): Deal with
	CFG changes from associate_plusminus.

2011-01-14  Richard Guenther  <rguenther@suse.de>

	PR middle-end/47281
	Revert
	2011-01-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46076
	* tree-ssa.c (useless_type_conversion_p): Conversions from
	unprototyped to empty argument list function types are useless.

2011-01-14  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47286
	* tree-ssa-structalias.c (new_var_info): Register variables are global.

2011-01-14  Martin Jambor  <mjambor@suse.cz>

	PR middle-end/46823
	* tree-inline.c (expand_call_inline): Get fndecl from call graph edge.

2011-01-13  Anatoly Sokolov  <aesok@post.ru>

	* config/xtensa/xtensa.h (XTENSA_LIBCALL_VALUE, LIBCALL_VALUE,
	LIBCALL_OUTGOING_VALUE, FUNCTION_VALUE_REGNO_P): Remove macros.
	* config/xtensa/xtensa.c (xtensa_libcall_value,
	xtensa_function_value_regno_p): New functions.
	(TARGET_LIBCALL_VALUE, TARGET_FUNCTION_VALUE_REGNO_P): Define.

2011-01-13  Kai Tietz  <kai.tietz@onevision.com>

	PR c++/47213
	* config/i386/cygming.h (TARGET_ASM_ASSEMBLE_VISIBILITY):
	PE specific hook.
	* config/i386/i386-protos.h (i386_pe_assemble_visibility):
	New function prototype.
	* config/i386/winnt.c (i386_pe_assemble_visibility):
	Warn only if attribute was specified by user.

2011-01-13  Michael Meissner  <meissner@linux.vnet.ibm.com>

	PR target/47251
	* config/rs6000/rs6000.md (floatunsdidf2): Add check for hardware
	floating point.
	(floatunsdidf2_fcfidu): Ditto.

2011-01-13  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (print_operand_address): Replace 'error' with
	'output_operand_lossage'.
	(print_operand): Likewise.

2011-01-13  Jeff Law  <law@redhat.com>

	PR rtl-optimization/39077
	* doc/invoke.texi (max-gcse-insertion-ratio): Document.
	* params.h (MAX_GCSE_INSERTION_RATIO): Define.
	* params.def (PARAM_MAX_GCSE_INSERTION_RATIO): Define.
	* lcm.c (pre_edge_lcm): Properly initialize output sbitmaps.
	* gcse.c (prune_insertions_deletions): New function.
	(compute_pre_data): Use it.

2011-01-13  Dodji Seketeli  <dodji@redhat.com>

	PR debug/PR46973
	* dwarf2out.c (prune_unused_types_mark_generic_parms_dies): New
	static function.
	(prune_unused_types_mark): Use it.

2011-01-13  Andrey Belevantsev  <abel@ispras.ru>

	PR rtl-optimization/45352
	* sel-sched.c: Update copyright years.
	(reset_sched_cycles_in_current_ebb): Also recheck the DFA state
	in the advancing loop when we have issued issue_rate insns.

2011-01-12  Richard Henderson  <rth@redhat.com>

	* config/mn10300/mn10300.c (mn10300_md_asm_clobbers): New.
	(TARGET_MD_ASM_CLOBBERS): New.

	* config/mn10300/mn10300.c (mn10300_delegitimize_address): New.
	(TARGET_DELEGITIMIZE_ADDRESS): New.

	* config/mn10300/mn10300.md (UNSPEC_BSCH): New.
	(clzsi2, *bsch): New patterns.

	* config/mn10300/mn10300.md (INT): New mode iterator.
	(*mov<INT>_clr): New pattern, and peep2 to generate it.

	* config/mn10300/mn10300.c (mn10300_option_override): Force enable
	flag_split_wide_types.

	* config/mn10300/mn10300.c (mn10300_asm_trampoline_template): Remove.
	(mn10300_trampoline_init): Rewrite without a template, an immediate
	load and a direct branch.
	* config/mn10300/mn10300.h (TRAMPOLINE_SIZE): Reduce to 16.

2011-01-12  Anatoly Sokolov  <aesok@post.ru>

	* config/s390/s390.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
	* config/s390/s390-protos.h (s390_output_addr_const_extra): Remove.
	* config/s390/s390.c (s390_output_addr_const_extra): Make static.
	(TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2011-01-12  Kai Tietz  <kai.tietz@onevision.com>

	PR debug/47209
	* dwarfout2.c (should_emit_struct_debug): Use TYPE_MAIN_VARIANT
	of type.

2011-01-12  Jan Hubicka  <jh@suse.cz>

	PR driver/47244
	* gcc.c (PLUGIN_COND): Update to disable plugin unless -flto is used.
	(PLUGIN_COND_CLOSE): New macro.
	(LINK_COMMAND_SPEC): Update to use PLUGIN_COND_CLOSE.

2011-01-12  Richard Guenther  <rguenther@suse.de>

	PR lto/47259
	* lto-streamer-out.c (output_gimple_stmt): Do not wrap
	register variables in a MEM_REF.

2011-01-12  Joseph Myers  <joseph@codesourcery.com>

	* config.gcc (arm*-*-linux*, bfin*-uclinux*, bfin*-linux-uclibc*,
	crisv32-*-linux* | cris-*-linux*, frv-*-*linux*, moxie-*-uclinux*,
	hppa*64*-*-linux*, hppa*-*-linux*, i[34567]86-*-linux* |
	i[34567]86-*-kfreebsd*-gnu | i[34567]86-*-knetbsd*-gnu |
	i[34567]86-*-gnu* | i[34567]86-*-kopensolaris*-gnu,
	x86_64-*-linux* | x86_64-*-kfreebsd*-gnu | x86_64-*-knetbsd*-gnu,
	ia64*-*-linux*, lm32-*-uclinux*, m32r-*-linux*, m32rle-*-linux*,
	m68k-*-uclinux*, m68k-*-linux*, microblaze*-linux*,
	mips64*-*-linux* | mipsisa64*-*-linux*, mips*-*-linux*,
	s390-*-linux*, s390x-*-linux*, sh*-*-linux*, sparc-*-linux*,
	sparc64-*-linux*, vax-*-linux*, xtensa*-*-linux*,
	am33_2.0-*-linux*): Use gnu-user.h before linux.h.
	* config/gnu-user.h: New.  Copied from linux.h.
	(LINUX_TARGET_STARTFILE_SPEC): Rename to
	GNU_USER_TARGET_STARTFILE_SPEC.
	(LINUX_TARGET_ENDFILE_SPEC): Rename to
	GNU_USER_TARGET_ENDFILE_SPEC.
	(LINUX_TARGET_CC1_SPEC): Rename to GNU_USER_TARGET_CC1_SPEC.
	(LINUX_TARGET_LIB_SPEC): Rename to GNU_USER_TARGET_LIB_SPEC.
	(OPTION_GLIBC, OPTION_UCLIBC, OPTION_BIONIC,
	LINUX_TARGET_OS_CPP_BUILTINS, CHOOSE_DYNAMIC_LINKER1,
	CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
	UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
	BIONIC_DYNAMIC_LINKER, BIONIC_DYNAMIC_LINKER32,
	BIONIC_DYNAMIC_LINKER64, LINUX_DYNAMIC_LINKER,
	LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64,
	TARGET_C99_FUNCTIONS, TARGET_HAS_SINCOS): Remove.
	* config/arm/linux-eabi.h (CC1_SPEC): Use
	GNU_USER_TARGET_CC1_SPEC.
	(LIB_SPEC): Use GNU_USER_TARGET_LIB_SPEC.
	(STARTFILE_SPEC): Use GNU_USER_TARGET_STARTFILE_SPEC.
	(ENDFILE_SPEC): Use GNU_USER_TARGET_ENDFILE_SPEC
	* config/linux.h (NO_IMPLICIT_EXTERN_C, ASM_APP_ON, ASM_APP_OFF,
	LINUX_TARGET_STARTFILE_SPEC, STARTFILE_SPEC,
	LINUX_TARGET_ENDFILE_SPEC, ENDFILE_SPEC, LINUX_TARGET_CC1_SPEC,
	CC1_SPEC, CPLUSPLUS_CPP_SPEC, LINUX_TARGET_LIB_SPEC, LIB_SPEC,
	LINK_EH_SPEC, LINK_GCC_C_SEQUENCE_SPEC, USE_LD_AS_NEEDED): Remove.

2011-01-12  Richard Guenther  <rguenther@suse.de>

	PR other/46946
	* doc/invoke.texi (ffast-math): Document it is turned on
	with -Ofast.

2011-01-12  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/47233
	* opts.c (common_handle_option): Disable ipa-reference with profile
	feedback.

2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>

	* c-parser.c (c_parser_objc_at_property_declaration): Improved
	error message.

2011-01-12  Nicola Pero  <nicola.pero@meta-innovation.com>

	* c-parser.c (c_lex_one_token): Updated and reindented some
	comments.  No changes in code.

2011-01-11  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_output_var): Don't output the variable if there is
	already a type with the same name.

2011-01-11  Ian Lance Taylor  <iant@google.com>

	* godump.c (go_format_type): Don't generate float80.

2011-01-11  Richard Henderson  <rth@redhat.com>

	* config/mn10300/mn10300.c (mn10300_address_cost): Remove forward
	declaration.  Rewrite for both speed and size.
	(mn10300_address_cost_1): Remove.
	(mn10300_register_move_cost): New.
	(mn10300_memory_move_cost): New.
	(mn10300_rtx_costs): Rewrite for both speed and size.  Don't handle
	ZERO_EXTRACT.  Do handle UNSPEC, arithmetic, logicals, compare,
	extensions, shifts, BSWAP, CLZ.
	(mn10300_wide_const_load_uses_clr): Remove.
	(TARGET_REGISTER_MOVE_COST): New.
	(TARGET_MEMORY_MOVE_COST): New.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.h (REGISTER_MOVE_COST): Remove.

	* config/mn10300/constraints.md ("R", "T"): Remove constraints.
	* config/mn10300/mn10300.c (mn10300_mask_ok_for_mem_btst): Remove.
	* config/mn10300/mn10300-protos.h: Update.
	* config/mn10300/mn10300.md (movsi_internal): Don't use "R".
	(*byte_clear, *byte_set, *bit_clear1, *bit_clear2, *bit_set): Remove.
	(iorqi3, *am33_iorqi3, *mn10300_iorqi3): Remove.
	(*test_int_bitfield, *test_byte_bitfield): Remove.
	(*bit_test, *subreg_bit_test): Remove.
	* config/mn10300/predicates.md (const_8bit_operand): Remove.

	* config/mn10300/constraints.md ("c"): Rename from "A".
	("A", "D"): New constraint letters.
	* config/mn10300/mn10300.md (fmasf4): Use the "c" constraint.
	(fmssf4, fnmasf4, fnmssf4): Likewise.

	* config/mn10300/mn10300.md (isa): New attribute.
	(enabled): New attribute.

	* config/mn10300/mn10300.md (absdf2, negdf2): Remove.
	(abssf2, negsf2): Define only for hardware fp.
	(sqrtsf2): Reformat.
	(addsf3, subsf3, mulsf3): Merge expander and insn.

	* config/mn10300/mn10300.h (ARG_PIONTER_CFA_OFFSET): New.
	(DEBUGGER_AUTO_OFFSET): Remove.
	(DEBUGGER_ARG_OFFSET): Remove.

	* config/mn10300/mn10300.c (mn10300_gen_multiple_store): Make static.
	Emit register stores with the same offsets as the hardware.
	(mn10300_store_multiple_operation): Don't check that the register
	save offsets are monotonic.
	* config/mn10300/mn10300-protos.h: Update.

	* config/mn10300/mn10300.h (ASM_PN_FORMAT): Delete.

	* config/mn10300/mn10300.h (INCOMING_RETURN_ADDR_RTX): Define
	in terms of the value on the stack, not the MDR register.

2011-01-11  Jan Hubicka  <jh@suse.cz>

	PR lto/45721
	PR lto/45375
	* tree.h (symbol_alias_set_t): Move typedef here from varasm.c
	(symbol_alias_set_destroy, symbol_alias_set_contains,
	propagate_aliases_backward): Declare.
	* lto-streamer-out.c (struct sets): New sturcture.
	(trivally_defined_alias): New function.
	(output_alias_pair_p): Rewrite.
	(output_unreferenced_globals): Fix output of alias pairs.
	(produce_symtab): Likewise.
	* ipa.c (function_and_variable_visibility): Set weak alias destination
	as needed in lto.
	* varasm.c (symbol_alias_set_t): Remove.
	(symbol_alias_set_destroy): Export.
	(propagate_aliases_forward, propagate_aliases_backward): New functions
	based on ...
	(compute_visible_aliases): ... this one; remove.
	(trivially_visible_alias): New
	(trivially_defined_alias): New.
	(remove_unreachable_alias_pairs): Rewrite.
	(finish_aliases_1): Reorganize code checking if alias is defined.
	* passes.c (rest_of_decl_compilation): Do not call assemble_alias when
	in LTO mode.

2011-01-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46076
	* tree-ssa.c (useless_type_conversion_p): Conversions from
	unprototyped to empty argument list function types are useless.

2011-01-11  Richard Guenther  <rguenther@suse.de>

	PR middle-end/45235
	* emit-rtl.c (set_mem_attributes_minus_bitpos): Do not mark
	volatile MEMs as MEM_READONLY_P.

2011-01-11  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/47239
	* tree-ssa-ccp.c (get_value_from_alignment): Punt for FUNCTION_DECLs.

2011-01-11  Jeff Law  <law@redhat.com>

	PR tree-optimization/47086
	* tree-ssa-loop-ivopts.c (find_givs_in_stmt_scev): Do not record
	IVs from statements that might throw.

2011-01-10  Jan Hubicka  <jh@suse.cz>

	PR lto/45375
	* lto-cgraph.c (input_profile_summary): Remove overactive sanity check.

2011-01-10  Jan Hubicka  <jh@suse.cz>

	PR lto/45375
	* profile.c (read_profile_edge_counts): Ignore profile inconistency
	when correcting profile.

2011-01-10  Jan Hubicka  <jh@suse.cz>

	PR lto/46083
	* lto-streamer-out.c (pack_ts_function_decl_value_fields): Store
	DECL_FINI_PRIORITY.
	* lto-streamer-in.c (unpack_ts_function_decl_value_fields):
	Restore DECL_FINI_PRIORITY.

2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/gimple.texi: Fix quoting of multi-word return values in
	@deftypefn statements.  Ensure presence of return value.  Wrap
	overlong @deftypefn lines.
	(is_gimple_operand, is_gimple_min_invariant_address): Remove
	descriptions of removed functions.
	* doc/hostconfig.texi (Host Common): Wrap long line, fix quoting
	of multi-word return value in @deftypefn statement.

2011-01-10  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/gimple.texi (Temporaries, Operands, Compound Lvalues)
	(Conditional Expressions, Logical Operators)
	(Statement and operand traversals): Do not indent smallexample
	code.  Fix duplicate function argument in example.

2011-01-10  Jeff Law  <law@redhat.com>

	PR tree-optimization/47141
	* ipa-split.c (split_function): Handle case where we are
	returning a value and the return block has a virtual operand phi.

2011-01-10  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/47234
	* tree-pass.h (TODO_rebuild_cgraph_edges): New TODO.
	(pass_feedback_split_functions): Declare.
	* passes.c (init_optimization_passes): Add ipa-split as subpass of
	tree-profile.
	* ipa-split.c (gate_split_functions): Update comments; disable
	split-functions for profile_arc_flag and branch_probabilities.
	(gate_feedback_split_functions): New function.
	(execute_feedback_split_functions): New function.
	(pass_feedback_split_functions): New global var.

2011-01-10  H.J. Lu  <hongjiu.lu@intel.com>

	PR lto/46760
	* tree-inline.c (tree_can_inline_p): Check e->call_stmt before
	calling gimple_call_set_cannot_inline.

2011-01-10  Iain Sandoe  <iains@gcc.gnu.org>

	* config/darwin-sections.def: Remove unused section.

2011-01-10  Dave Korn  <dave.korn.cygwin@gmail.com>

	PR c++/47218
	* cgraphunit.c (assemble_thunk): Call resolve_unique_section.

2011-01-09  Nicola Pero  <nicola.pero@meta-innovation.com>

	PR objc/47232
	* c-parser.c (c_parser_declaration_or_fndef): Improved
	error message.

2011-01-09  Kai Tietz  <kai.tietz@onevision.com>

	* config/i386/winnt.c (i386_pe_start_function): Make sure
	to switch back to function's section.

2011-01-09  Iain Sandoe  <iains@gcc.gnu.org>

	PR gcc/46902
	PR testsuite/46912
	* plugin.c: Move include of dlfcn.h from here...
	* system.h: ... to here.

2011-01-09  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* doc/cpp.texi (C++ Named Operators): Fix markup for header
	file name.
	* doc/cppinternals.texi (Top): Wrap node in @ifnottex to avoid
	two extra empty pages in PDF output.

2011-01-08  Nicola Pero  <nicola.pero@meta-innovation.com>

	PR objc/47078
	* c-parser.c (c_parser_objc_type_name): If the type is unknown,
	for error recovery purposes behave as if it was not specified so
	that the default type is usd.

2011-01-07  Jan Hubicka  <jh@suse.cz>

	PR tree-optmization/46469
	* ipa.c (function_and_variable_visibility): Clear needed flags on
	nodes with external decls; handle weakrefs merging correctly.

2011-01-07  Joseph Myers  <joseph@codesourcery.com>

	* opts.c (finish_options): Set opts->x_flag_opts_finished to true,
	not false.

2011-01-07  Jan Hubicka  <jh@suse.cz>

	* doc/invoke.texi: (-flto, -fuse-linker-plugin): Update defaults
	and no longer claim that gold is required for linker plugin.
	* configure: Regenerate.
	* gcc.c (PLUGIN_COND): New macro.
	(LINK_COMMAND_SPEC): Use it.
	(main): Default to plugin enabled with HAVE_LTO_PLUGIN is set.
	* config.in (HAVE_LTO_PLUGIN): New.
	* configure.ac (--with-lto-plugin): New parameter; autodetect
	HAVE_LTO_PLUGIN.

2011-01-07  Jan Hubicka  <jh@suse.cz>

	PR tree-optimization/46367
	* ipa-inline.c (cgraph_clone_inlined_nodes): Use original function only
	when we can update original.
	(cgraph_mark_inline_edge): Sanity check.
	* ipa-prop.c (ipa_make_edge_direct_to_target): Sanity check.

2011-01-07  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.h (ASM_COMMENT_START): Define.

2011-01-07  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/42445
	* gcc.c (%>S): New.
	(SWITCH_KEEP_FOR_GCC): Likewise.
	(set_collect_gcc_options): Check SWITCH_KEEP_FOR_GCC.
	(do_spec_1): Handle "%>".

	* config/i386/i386.h (CC1_CPU_SPEC): Replace "%<" with "%>".

2011-01-07  Jakub Jelinek  <jakub@redhat.com>

	PR target/47201
	* config/i386/i386.c (ix86_delegitimize_address): If
	simplify_gen_subreg fails, return orig_x.

	PR bootstrap/47187
	* value-prof.c (gimple_stringop_fixed_value): Handle
	lhs of the call properly.

2011-01-07  Jan Hubicka  <jh@suse.cz>

	PR lto/45375
	* lto-opt.c (lto_reissue_options): Set flag_shlib.

2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>

	* target.def (function_switched_text_sections): New hook.
	* doc/tm.texi: Regenerated.
	* doc/tm.texi.in (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.
	* final.c (default_function_switched_text_sections): New.
	(final_scan_insn): Call function_switched_text_sections when a
	mid-function section change occurs.
	* output.h (default_function_switched_text_sections): Declare.
	* config/darwin-protos.h (darwin_function_switched_text_sections):
	Likewise.
	* config/darwin.c (darwin_function_switched_text_sections): New.
	* config/darwin.h (TARGET_ASM_FUNCTION_SWITCHED_TEXT_SECTIONS): New.

2011-01-07  Iain Sandoe  <iains@gcc.gnu.org>

	* dwarf2out.c (gen_subprogram_die):  Add pubnames with code ranges for
	DWARF >= 3.  Add pubnames for the primary section and a reduced DIE for
	the secondary code fragment when outputting for DWARF == 2.

2011-01-07  Anatoly Sokolov  <aesok@post.ru>

	* config/xtensa/xtensa.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
	* config/xtensa/xtensa-protos.h (xtensa_output_addr_const_extra):
	Remove.
	* config/xtensa/xtensa.c (xtensa_output_addr_const_extra): Make static.
	(TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

2011-01-06  Eric Botcazou  <ebotcazou@adacore.com>

	PR debug/46704
	* dwarf2out.c (dwarf2out_finish): Output the debug_aranges section only
	when it is not empty.

2011-01-06  Changpeng Fang  <changpeng.fang@amd.com>

	Bobcat Enablement
	* config.gcc (i[34567]86-*-linux* | ...): Add btver1.
	(case ${target}): Add btver1.
	* config/i386/driver-i386.c (host_detect_local_cpu): Let
	-march=native recognize btver1 processors.
	* config/i386/i386-c.c (ix86_target_macros_internal): Add
	btver1 def_and_undef
	* config/i386/i386.c (struct processor_costs btver1_cost): New
	btver1 cost table.
	(m_BTVER1): New definition.
	(m_AMD_MULTIPLE): Includes m_BTVER1.
	(initial_ix86_tune_features): Add btver1 tune.
	(processor_target_table): Add btver1 entry.
	(static const char *const cpu_names): Add btver1 entry.
	(software_prefetching_beneficial_p): Add btver1.
	(ix86_option_override_internal): Add btver1 instruction sets.
	(ix86_issue_rate): Add btver1.
	(ix86_adjust_cost): Add btver1.
	* config/i386/i386.h (TARGET_BTVER1): New definition.
	(enum target_cpu_default): Add TARGET_CPU_DEFAULT_btver1.
	(enum processor_type): Add PROCESSOR_BTVER1.
	* config/i386/i386.md (define_attr "cpu"): Add btver1.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR target/43309
	* config/i386/i386.c (legitimize_tls_address)
	<TLS_MODEL_INITIAL_EXEC>: Handle TARGET_64BIT && TARGET_SUN_TLS.
	* config/i386/i386.md (UNSPEC_TLS_IE_SUN): Declare.
	(tls_initial_exec_64_sun): New pattern.

2011-01-06  Gerald Pfeifer  <gerald@pfeifer.com>

	* doc/invoke.texi (Overall Options): Improve wording and markup
	of the description of -wrapper.

2011-01-06  Joseph Myers  <joseph@codesourcery.com>

	* config/sol2.opt (G, YP,, Ym,, compat-bsd, pthread, pthreads,
	rdynamic, threads): New Driver options.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR target/38118
	* config/sol2.h (ASM_OUTPUT_ALIGNED_COMMON): Also switch to .bss
	if coming from .tdata.
	* config/i386/sol2-10.h (ASM_OUTPUT_ALIGNED_COMMON): Likewise.

2011-01-06  Jan Hubicka  <jh@suse.cz>

	PR lto/47188
	* collect2.c (main): Do not enable LTOmode when plugin is active.

2011-01-06  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR other/45915
	* configure.ac (gcc_cv_as_gnu_unique_object): Only use ldd
	--version output if supported.
	* configure: Regenerate.

2011-01-06  Joseph Myers  <joseph@codesourcery.com>

	* config/linux-android.opt (tno-android-cc, tno-android-ld): New
	Driver options.

2011-01-06  Jakub Jelinek  <jakub@redhat.com>

	PR c/47150
	* c-convert.c (convert): When converting a complex expression
	other than COMPLEX_EXPR to a different complex type, ensure
	c_save_expr is called instead of save_expr, unless in_late_binary_op.
	* c-typeck.c (convert_for_assignment): Set in_late_binary_op also
	when converting COMPLEX_TYPE.

2011-01-06  Ira Rosen  <irar@il.ibm.com>

	PR tree-optimization/47139
	* tree-vect-loop.c (vect_is_simple_reduction_1): Check that
	only the last reduction value is used outside the loop.  Update
	documentation.

2011-01-05  Joseph Myers  <joseph@codesourcery.com>

	* config/rtems.opt: New.
	* config.gcc (*-*-rtems*): Use rtems.opt.

2011-01-05  Changpeng Fang  <changpeng.fang@amd.com>

	* config/i386/i386.c (ix86_option_override_internal): Bulldozer
	processors do not support 3DNow instructions.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (spu_option_override): Set parameter
	PARAM_MAX_COMPLETELY_PEEL_TIMES to 4 instead of 1.

2011-01-05  Jan Hubicka  <jh@suse.cz>

	* lto-wrapper.c (run_gcc): Default to WHOPR mode when none is specified
	at the command line.

2011-01-05  Martin Jambor  <mjambor@suse.cz>

	PR lto/47162
	* lto-cgraph.c (output_cgraph_opt_summary_p): Also check for thunk
	deltas on streamed outgoing edges.
	(output_node_opt_summary): Output info for outgoing edges only when
	the node is in new parameter set.
	(output_cgraph_opt_summary): New parameter set, passed to the two
	aforementioned functions.  Update its forward declaration and its
	callee too.

2011-01-05  Tom Tromey  <tromey@redhat.com>

	* c-parser.c (c_parser_omp_atomic): Pass location of assignment
	operator to c_finish_omp_atomic.
	* c-typeck.c (lvalue_or_else): Add 'loc' argument.
	(build_unary_op): Update.
	(build_modify_expr): Update.
	(build_asm_expr): Update.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (emit_nop_for_insn): Set INSN_LOCATOR for
	newly inserted insns.
	(pad_bb): Likewise.
	(spu_emit_branch_hint): Likewise.
	(insert_hbrp_for_ilb_runout): Likewise.
	(spu_machine_dependent_reorg): Call df_finish_pass after
	schedule_insns returns.

2011-01-05  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (spu_expand_prologue): Support -fstack-usage.

2011-01-05  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/47005
	* tree-sra.c (struct access): Add 'non_addressable' bit.
	(create_access): Set it for a DECL_NONADDRESSABLE_P field.
	(decide_one_param_reduction): Return 0 if the parameter is passed by
	reference and one of the accesses in the group is non_addressable.

2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>

	PR tree-optimization/47056
	* cgraphbuild.c (mark_address): Remove ATTRIBUTE_UNUSED markers.
	(mark_load): Likewise.  Handle FUNCTION_DECL specially.
	(mark_store): Likewise.  Pass STMT to ipa_record_reference.

2011-01-04  Eric Botcazou  <ebotcazou@adacore.com>

	* dwarf2out.c (rtl_for_decl_init): Strip no-op conversions off the
	initializer.  Skip view conversions from aggregate types.

2011-01-04  Kai Tietz  <kai.tietz@onevision.com>

	PR bootstrap/47055
	* libgcov.c (gcov_exit): Check for HAS_DRIVE_SPEC.

2011-01-04  Philipp Thomas  <pth@suse.de>

	* config/microblaze/microbalse.opt (mxl-float-convert): Fix
	obvious typo.

2011-01-04  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* function.c (thread_prologue_and_epilogue_insns): Do not crash
	on empty epilogue sequences.

2011-01-04  Joseph Myers  <joseph@codesourcery.com>

	* config/vxworks.opt (Bdynamic, Bstatic, Xbind-lazy, Xbind-now,
	non-static): New Driver options.

2011-01-04  Jie Zhang  <jie@codesourcery.com>

	PR driver/47137
	* gcc.c (default_compilers[]): Set combinable field to 0
	for all assembly languages.

2011-01-04  Mingjie Xing  <mingjie.xing@gmail.com>

	* config/mips/loongson3a.md: New file.
	* config/mips/mips.md: Include loongson3a.md.
	* config/mips/mips.c (mips_multipass_dfa_lookahead): Return 4 when
	TUNE_LOONGSON_3A.

2011-01-03  Eric Botcazou  <ebotcazou@adacore.com>

	PR middle-end/47017
	* expr.c (expand_expr_real_1) <MEM_REF>: Call memory_address_addr_space
	instead of convert_memory_address_addr_space on the base expression.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (spu_option_override): Update error text
	for bad -march= / -mtune= values.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* config/spu/spu.c (asm_file_start): Only reset flag_var_tracking
	if branch-hint optimization will be performed.

2011-01-03  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47148
	* ipa-split.c (split_function): Convert arguments to
	DECL_ARG_TYPE if possible.

	PR tree-optimization/47155
	* tree-ssa-ccp.c (bit_value_binop_1): Use r1type instead of type
	when computing uns.

	PR rtl-optimization/47157
	* combine.c (try_combine): If undobuf.other_insn becomes
	(set (pc) (pc)) jump, call update_cfg_for_uncondjump on it
	and set *new_direct_jump_p too.

2011-01-03  Sebastian Pop  <sebastian.pop@amd.com>

	PR tree-optimization/47021
	* graphite-sese-to-poly.c (scan_tree_for_params): Handle ADDR_EXPR.

2011-01-03  Jakub Jelinek  <jakub@redhat.com>

	* gcc.c (process_command): Update copyright notice dates.
	* gcov.c (print_version): Likewise.
	* gcov-dump.c (print_version): Likewise.
	* mips-tfile.c (main): Likewise.
	* mips-tdump.c (main): Likewise.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/46801
	* tree-sra.c (type_internals_preclude_sra_p): Check whether
	aggregate fields start at byte boundary instead of the bit-field flag.

2011-01-03  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/47137
	* gcc.c (main): Revert revision 168407.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

	* lto-cgraph.c (input_cgraph_opt_section): Use the correct section type.

2011-01-03  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>

	* tree-vect-generic.c (expand_vector_operations_1): When using vector/
	vector optab to expand vector/scalar shift, update gimple to vector.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

	* cgraphunit.c (verify_cgraph_node): Verify there is no direct call to
	a thunk.

2011-01-03  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/46984
	* cgraph.h (cgraph_indirect_call_info): make field thunk_delta
	HOST_WIDE_INT.
	(cgraph_create_indirect_edge): Fixed line length.
	(cgraph_indirect_call_info): Declare.
	(cgraph_make_edge_direct) Update declaration.
	* cgraph.c (cgraph_allocate_init_indirect_info): New function.
	(cgraph_create_indirect_edge): Use it.
	(cgraph_make_edge_direct): Made delta HOST_WIDE_INT.  Updated all
	callees.
	* cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update for
	the new thunk_delta representation.
	* ipa-prop.c (ipa_make_edge_direct_to_target): Convert delta to
	HOST_WIDE_INT.
	(ipa_write_indirect_edge_info): Remove streaming of thunk_delta.
	(ipa_read_indirect_edge_info): Likewise.
	* lto-cgraph.c (output_edge_opt_summary): New function.
	(output_node_opt_summary): Call it on all outgoing edges.
	(input_edge_opt_summary): New function.
	(input_node_opt_summary): Call it on all outgoing edges.

2011-01-02  H.J. Lu  <hongjiu.lu@intel.com>

	PR driver/47137
	* gcc.c (main): Don't check have_o when settting combine_inputs.

2011-01-02  Eric Botcazou  <ebotcazou@adacore.com>

	* regrename.c: Add general comment describing the pass.
	(struct du_head): Remove 'length' field.
	(get_element, merge_sort_comparison, merge, sort_du_head): Remove.
	(regrename_optimize): Do not sort chains.  Rework comments, add others.
	Force renaming to the preferred class (if any) in the first pass and do
	not consider registers that belong to it in the second pass.
	(create_new_chain): Do not set 'length' field.
	(scan_rtx_reg): Likewise.

2011-01-02  Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/47140
	* tree-ssa-ccp.c (evaluate_stmt): For binary assignments, use
	TREE_TYPE (lhs) instead of TREE_TYPE (rhs1) as second argument
	to bit_value_binop.

	PR rtl-optimization/47028
	* cfgexpand.c (gimple_expand_cfg): Insert entry edge insertions after
	parm_birth_insn instead of at the beginning of first bb.

2011-01-02  Mingjie Xing  <mingjie.xing@gmail.com>

	* doc/generic.texi: Remove duplicated "@subsubsection Statements".
	Remove the word "see" before "@pxref".
	* doc/rtl.texi: Remove the word "see" before "@pxref".

2011-01-01  Jan Hubicka  <jh@suse.cz>

	* tree-loop-distribution.c (tree_loop_distribution): Do not use freed
	memory.

2011-01-01  Kai Tietz  <kai.tietz@onevision.com>

	PR target/38662
	* tree.c (type_hash_eq): Call language hook for METHOD_TYPEs, too.

\f
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