PR bootstrap/48471
	* dbxout.c (debug_nesting, symbol_queue, symbol_queue_index):
	Move these...
	(symbol_queue_size, DBXOUT_DECR_NESTING): ...and these...
	(DBXOUT_DECR_NESTING_AND_RETURN): ...and this under
	#ifdef DBX_DEBUGGING_INFO.

From-SVN: r172016

From-SVN: r172015

From-SVN: r172009

	* gcc.dg/torture/pr47917.c: Add -D_XOPEN_SOURCE=500 to dg-options for
	Solaris 9 as well.

From-SVN: r172008

	* gcc.dg/torture/pr47917.c: Add -D_XOPEN_SOURCE=500 to dg-options for
	Solaris 8 as well.

From-SVN: r172007

	PR bootstrap/48403
	* haifa-sched.c (schedule_block): Increment cycle_issued_insns only
	if old and new states differ.

From-SVN: r172006

m68k.c (m68k_handle_option): Don't handle OPT_m5200, OPT_m5206e, OPT_m528x, OPT_m5307, OPT_m5407 and OPT_mcfv4e.

	* config/m68k/m68k.c (m68k_handle_option): Don't handle OPT_m5200,
	OPT_m5206e, OPT_m528x, OPT_m5307, OPT_m5407 and OPT_mcfv4e.
	* config/m68k/m68k.h (OPTION_DEFAULT_SPECS, ASM_CPU_SPEC): Don't
	handle -m5200, -m5206e, -m528x, -m5307, -m5407 and -mcfv4e.
	* config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407,
	mcfv4e): Use Alias.
	* config/m68k/t-mlibs (MULTILIB_MATCHES): Don't map legacy
	ColdFire options to -mcpu= options.

From-SVN: r172005

tree-ssa-threadupdate.c (determine_bb_domination_status): Always check if BB is a successor of LOOP->header and return NONDOMINATING if...

	* tree-ssa-threadupdate.c (determine_bb_domination_status): Always
	check if BB is a successor of LOOP->header and return NONDOMINATING
	if it is not, regardless of ENABLE_CHECKING.

From-SVN: r172004

From-SVN: r172003

+2011-04-05  Sterling Augustine <augustine.sterling@gmail.com>
+
+	* MAINTAINERS: Update my email address as Xtensa maintainer.
+

From-SVN: r172002

From-SVN: r172000

	* cprop.c (struct reg_use): Remove.
	(reg_use_table): Make an array of RTX.
	(find_used_regs, constprop_register, local_cprop_pass,
	bypass_block): Simplify users of reg_use_table.
	(cprop_insn): Likewise.  Iterate if copy propagation succeeded
	on one of the uses found by find_used_regs.

From-SVN: r171999

	PR bootstrap/48469
	* combine.c (combine_instructions): #ifdef AUTO_INC_DEC links
	declaration.

From-SVN: r171998

/:
	* config.sub: Sync from upstream.

From-SVN: r171996

fix compilation on AUTO_INC_DEC targets
	* combine.c (combine_instructions) [AUTO_INC_DEC]: Declare links
	as an rtx.
	(try_combine) [AUTO_INC_DEC]: Declare a local link rtx.

From-SVN: r171995

	PR middle-end/48441
	* cprop.c (one_cprop_pass): Do not mark_oprs_set of deleted insns.

From-SVN: r171994

	* combine.c: Include obstack.h.
	(struct insn_link): Define.
	(uid_log_links): Adjust type.
	(FOR_EACH_LOG_LINK): New macro.
	(insn_link_obstack): Declare.
	(alloc_insn_link): Define.
	(create_log_links): Call it.  Use FOR_EACH_LOG_LINK and adjust
	type of link variables.
	(find_single_use, insn_a_feeds_b, combine_instructions): Likewise.
	(try_combine, record_promoted_values, distribute_notes): Likewise.
	(distribute_links): Likewise.  Tweak prototype.
	(clear_log_links): Delete.
	(adjust_for_new_dest): Call alloc_insn_link.
	* Makefile.in (combine.o): Depend on $(OBSTACK_H).

From-SVN: r171993

	* 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.

From-SVN: r171992

re PR middle-end/48461 (function.c:5268:1: error: emit_use_return_register_into_block defined but not used)

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.

From-SVN: r171990

From-SVN: r171988

trans-intrinsic.c (gfc_build_intrinsic_lib_fndecls): Use build_function_type_list instead of build_function_type.

	* trans-intrinsic.c (gfc_build_intrinsic_lib_fndecls): Use
	build_function_type_list instead of build_function_type.  Correct
	argument order for func_frexp and func_scalbn.

From-SVN: r171987

re PR target/43920 (Choosing conditional execution over conditional branches for code size in some cases.)

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

	PR target/43920
	* gcc.target/arm/pr43920-1.c: New test.

From-SVN: r171986

	* 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.

From-SVN: r171984

2011-04-05  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/48431
	* lto-plugin.c (claim_file_handler): Do not declare vars in code.

From-SVN: r171982

	* 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.

From-SVN: r171981

	* 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.

From-SVN: r171980

re PR target/43920 (Choosing conditional execution over conditional branches for code size in some cases.)

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.

From-SVN: r171978

re PR target/43920 (Choosing conditional execution over conditional branches for code size in some cases.)

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.

From-SVN: r171977

re PR target/43920 (Choosing conditional execution over conditional branches for code size in some cases.)

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.

From-SVN: r171976

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

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

From-SVN: r171975

From-SVN: r171974

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.

From-SVN: r171973

The parameters for functions from the frexp family were the wrong way
round.  Swap them.

From-SVN: r171971

	* go-gcc.c (class Blabel): Define.
	(Gcc_backend::make_expression): New function.
	(get_identifier_from_string): New function.
	(Gcc_backend::label): New function.
	(Gcc_backend::label_definition_statement): New function.
	(Gcc_backend::goto_statement): New function.
	(Gcc_backend::label_address): New function.
	(expression_to_tree): New function.
	* Make-lang.in (go/expressions.o): Depend on
	go/gofrontend/backend.h.
	(go/gogo.o): Likewise.

From-SVN: r171968

From-SVN: r171966

From Rainer Orth.

	PR go/48240
	* configure.ac: Check for mincore.
	* configure: Regenerate.
	* config.h.in: Regenerate.
	* runtime/mem.c: Include unistd.h.
	(addrspace_free): New function.
	(runtime_SysMap): Retry 64-bit runtime_mmap with MAP_FIXED.

From-SVN: r171961

	2011-04-03  Rainer Orth  <ro@CeBiTec.Uni-Bielefeld.DE>

	PR go/48222
	* runtime/malloc.goc (runtime_mallocinit): Call
	runtime_Mprof_Init, runtime_initfintab.
	* runtime/cpuprof.c (runtime_cpuprofinit): New function.
	* runtime/runtime.h (runtime_cpuprofinit): Declare it.
	* runtime/go-main.c (main): Use it.

From-SVN: r171960

	* go-gcc.cc: #include "tree-iterator.h", "gimple.h", and "gogo.h".
	(class Bfunction): Define.
	(Gcc_backend::assignment_statement): Rename from assignment.
	Check for errors.
	(Gcc_backend::return_statement): New function.
	(tree_to_function): New function.
	* Make-lang.in (go/go-gcc.o): Depend on tree-iterator.h,
	$(GIMPLE_H), and $(GO_GOGO_H).

From-SVN: r171959

From-SVN: r171958

From-SVN: r171956