From-SVN: r166961

From-SVN: r166960

	* configure.ac: Add target-libgo to target_libraries.  Set
	and substitute GOC_FOR_BUILD and GOC_FOR_TARGET.
	* Makefile.tpl (BUILD_EXPORTS): Add GOC and GOCFLAGS.
	(HOST_EXPORTS): Add GOC.
	(BASE_TARGET_EXPORTS): Add GOC.
	(GOC_FOR_BUILD, GOCFLAGS, GOC_FOR_TARGET): New variables.
	(GOCFLAGS_FOR_TARGET): New variable.
	(EXTRA_HOST_FLAGS): Add GOC.
	(EXTRA_TARGET_FLAGS): Add GOC and GOCFLAGS.
	* Makefile.def (target_modules): Add libgo.
	(flags_to_pass): Add GOC_FOR_TARGET and GOCFLAGS_FOR_TARGET.
	(dependencies): Add dependency from configure-target-libgo to
	configure-target-libffi and all-target-libstdc++-v3.  Add
	dependencies from all-target-libgo to all-target-libffi.
	(languages): Add go.
	* configure: Rebuild.
	* Makefile.in: Rebuild.

Co-Authored-By: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

From-SVN: r166959

re PR tree-optimization/46077 (ICE in tree vectorization when compiling towns_audio.cpp from scummvm)

	PR tree-optimization/46077
	* tree-chrec.c (eq_evolutions_p): Accept some expressions.

testsuite/
	PR tree-optimization/46077
	* gcc.dg/vect/O3-pr46077.c: New testcase.

From-SVN: r166958

	* config-ml.in: Add Go support: treat GOC and GOCFLAGS like other
	compiler/flag environment variables.

From-SVN: r166956

	* config/mn10300/mn10300.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
	* config/mn10300/mn10300.c (mn10300_asm_output_addr_const_extra): New
	function.
	(TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.

From-SVN: r166955

	PR target/46434
	* config/crx/crx.c (crx_expand_epilogue): Remove unused variable.
Index: config/crx/crx.c
===================================================================
--- config/crx/crx.c	(revision 166609)
+++ config/crx/crx.c	(working copy)
@@ -613,6 +613,8 @@ static int crx_addr_reg_p (rtx addr_reg)
       return FALSE;
     }
 
+  gcc_assert (REGNO (reg) != CC_REGNUM);
+
   return TRUE;
 }
 
@@ -1439,17 +1441,12 @@ crx_expand_prologue (void)
 void
 crx_expand_epilogue (void)
 {
-  rtx return_reg;
-
   /* Nonzero if we need to return and pop only RA. This will generate a
    * different insn. This differentiate is for the peepholes for call as last
    * statement in function. */
   int only_popret_RA = (save_regs[RETURN_ADDRESS_REGNUM]
 			&& (sum_regs == UNITS_PER_WORD));
 
-  /* Return register.  */
-  return_reg = gen_rtx_REG (Pmode, RETURN_ADDRESS_REGNUM);
-
   if (frame_pointer_needed)
     /* Restore the stack pointer with the frame pointers value */
     emit_move_insn (stack_pointer_rtx, frame_pointer_rtx);

From-SVN: r166954

	* mode-switching.c (optimize_mode_switching): Use
	FOR_BB_INSNS instead of open-coded for loop.
	* cfgrtl.c (redirect_branch_edge): Ditto.

From-SVN: r166953

	PR target/46436
	* config/m68hc11/m68hc11.c (m68hc11_gen_highpart): Split shift count
	to accomodate 32 bit HOST_WIDE_INT.
	(m68hc11_emit_logical): Remove unused variable insn.
	(m68hc11_check_z_replacement) <CLOBBER>: Set this_insn_uses_ix and
	this_insn_uses_iy before use.

From-SVN: r166952

	PR c/46547
	* c-tree.h (in_late_binary_op): Move to c-family/c-common.h.
	* c-typeck.c (in_late_binary_op): Move to c-family/c-common.c.

c-family:
	* c-common.c (in_late_binary_op): Define.
	(c_common_truthvalue_conversion): Check in_late_binary_op before
	calling c_save_expr.
	* c-common.h (in_late_binary_op): Declare.

testsuite:
	* gcc.c-torture/compile/pr46547-1.c: New test.

From-SVN: r166951

	* lib/gcc-defs.exp (gcc-set-multilib-library-path): Use eval to
	exec $compiler.
	* lib/gfortran.exp (gfortran_link_flags): Remove braces around
	$GFORTRAN_UNDER_TEST.
	(gfortran_init): Use -B to specify specpath, add trailing /.

From-SVN: r166950

From-SVN: r166947

	* common.opt (debug_struct_ordinary, debug_struct_generic): New
	Variable entries.
	* dwarf2out.c (matches_main_base, dump_struct_debug, DUMP_GSTRUCT,
	should_emit_struct_debug): Move from opts.c.
	* flag-types.h (enum debug_struct_file): Move from opts.c.
	* flags.h (should_emit_struct_debug): Remove.
	(base_of_path): Declare.
	(set_struct_debug_option): Add gcc_options parameter.
	* optc-gen.awk, opth-gen.awk: Handle array variables.
	* opts.c (enum debug_struct_file, debug_struct_ordinary,
	debug_struct_generic): Remove.
	(set_struct_debug_option): Add gcc_options parameter.
	(base_of_path): Remove static.
	(main_input_basename, main_input_baselength, matches_main_base,
	dump_struct_debug, DUMP_GSTRUCT, should_emit_struct_debug):
	Remove.
	* toplev.c (main_input_basename, main_input_baselength): Define
	here.
	* toplev.h (main_input_basename, main_input_baselength): Declare
	here.

c-family:
	* c-opts.c (c_common_handle_option): Update calls to
	set_struct_debug_option.

From-SVN: r166944

	* common.opt (flag_instrument_functions_exclude_functions,
	flag_instrument_functions_exclude_files): New Variable
	definitions.
	* flags.h (flag_instrument_functions_exclude_p): Don't declare.
	* gimplify.c (char_p): Declare type and vectors.
	(flag_instrument_functions_exclude_p): Moved from opts.c.  Make
	static.
	* opts.c (flag_instrument_functions_exclude_functions,
	flag_instrument_functions_exclude_files): Remove.
	(add_comma_separated_to_vector): Take void **.
	(flag_instrument_functions_exclude_p): Move to gimplify.c.
	(common_handle_option): Use options structure for
	-finstrument-functions-exclude- options.

From-SVN: r166943

	* doc/options.texi (Var): Document effects of Defer.
	(Defer): Document.
	* opt-functions.awk (var_type, var_set): Handle deferred options.
	* opts-common.c (set_option): Handle CLVC_DEFER.
	* common.opt (fcall-saved-, fcall-used-, fdump-, ffixed-,
	fplugin=, fplugin-arg-, fstack-limit, fstack-limit-register=,
	fstack-limit-symbol=): Mark as deferred.
	* opts.c: Don't include rtl.h, ggc.h, output.h, tree-pass.h or
	plugin.h.
	(print_filtered_help): Don't report state of CLVC_DEFER options.
	(common_handle_option): Move code for OPT_fcall_used_,
	OPT_fcall_saved_, OPT_fdump_, OPT_ffixed_, OPT_fplugin_,
	OPT_fplugin_arg_, OPT_fstack_limit, OPT_fstack_limit_register_ and
	OPT_fstack_limit_symbol_ to opts-global.c.
	(option_enabled, get_option_state): Handle CLVC_DEFER.
	* opts.h: Include vec.h.
	(enum cl_var_type): Add CLVC_DEFER.
	(cl_deferred_option): Define type and vectors.
	(handle_common_deferred_options): Declare.
	* opts-global.c: New.
	* toplev.c (toplev_main): Call handle_common_deferred_options
	* Makefile.in (OPTS_H): Include $(VEC_H).
	(OBJS-common): Include opts-global.o.
	(opts.o): Update dependencies.
	(opts-global.o): Add dependencies.

From-SVN: r166942

From-SVN: r166940

In gcc/:
2010-11-19  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_parser_objc_protocol_definition): Pass attributes
        to objc_declare_protocols.

In gcc/c-family/:
2010-11-19  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (objc_declare_protocols): Added additional argument.
        * stub-objc.c (objc_declare_protocol): Same change.
        
In gcc/cp/:
2010-11-19  Nicola Pero  <nicola.pero@meta-innovation.com>

        * parser.c (cp_parser_objc_protocol_declaration): Pass attributes
        to objc_declare_protocols.

In gcc/objc/:
2010-11-19  Nicola Pero  <nicola@nicola.brainstorm.co.uk>

        * objc-act.c (lookup_protocol): Added 'warn_if_deprecated'
        argument.  If it is 'true' and the protocol is deprecated, emit a
        deprecation warning.
        (objc_start_protocol): Do not warn that protocol attributes are
        unimplemented.  Pass the attributes to start_protocol.
        (start_protocol): Added attributes argument.  Recognize the
        'deprecated' attribute and mark the protocols with TREE_DEPRECATED
        if present.  Store attributes in the protocol.
        (objc_declare_protocols): Added 'attributes' argument.  Recognize
        the 'deprecated' attribute and mark the protocols with
        TREE_DEPRECATED if present.  Store attributes in the protocol.
        Updated call to lookup_protocol.
        (objc_build_protocol_expr): Updated call to lookup_protocol.
        (check_protocol_recursively): Same change.
        (lookup_and_install_protocols): Same change.
        * objc-act.h: Updated comments.
        
In gcc/testsuite/:
2010-11-19  Nicola Pero  <nicola.pero@meta-innovation.com>

        * objc.dg/attributes/proto-attribute-1.m: Updated.
        * objc.dg/attributes/proto-attribute-2.m: New.
        * objc.dg/attributes/proto-attribute-3.m: New.
        * obj-c++.dg/attributes/proto-attribute-1.mm: Updated.
        * obj-c++.dg/attributes/proto-attribute-2.mm: New.
        * obj-c++.dg/attributes/proto-attribute-3.mm: New.

From-SVN: r166938

	* Makefile.am (libquadmath_la_LIBADD): Move -lm ...
	(libquadmath_la_LDFLAGS): ... here.
	(quadmath.map-sun): Tabify.
	Fix sed expression.
	* Makefile.in: Regenerate.

From-SVN: r166937

re PR lto/45789 (ICE: tree code 'lang_type' is not supported in gimple streams with -flto when using __builtin_printf())

2010-11-19  Richard Guenther  <rguenther@suse.de>

	PR lto/45789
	* lto-streamer-out.c (lto_output_ts_common_tree_pointers): For
	IDENTIFIERs do not stream TREE_TYPE.
	* lto-streamer-in.c (lto_input_ts_common_tree_pointers): Likewise.

From-SVN: r166936

2010-11-19  Christian Borntraeger  <borntraeger@de.ibm.com>

	* config/s390/s390.c (s390_function_arg_integer): Handle NULLPTR_TYPE.

From-SVN: r166935

From-SVN: r166934

From-SVN: r166933

	PR target/45870
	* dwarf2out.c (const_ok_for_output_1): Don't complain about
	non-delegitimized TLS UNSPECs.

From-SVN: r166932

2010-11-18  Jack Howarth  <howarth@bromo.med.uc.edu>
	    Ian Lance Taylor  <iant@google.com>

	* config/darwin-c.c (darwin_additional_format_types): Export.

Co-Authored-By: Ian Lance Taylor <iant@google.com>

From-SVN: r166930

* config/pdp11/pdp11.h (FIRST_PARM_OFFSET): Fix case of no frame
pointer.

From-SVN: r166929

* config/pdp11/pdp11.md (abshi2): Delete TARGET_ABSHI_BUILTIN.
* config/pdp11/pdp11.c (TARGET_DEFAULT_TARGET_FLAGS): Ditto.
* config/pdp11/pdp11.opt (-mabshi): Delete.

From-SVN: r166928

From-SVN: r166927

From-SVN: r166926

2010-11-18  Steve Ellcey  <sje@cup.hp.com>

	* gcc.dg/vect/slp-reduc-3.c: Make check dependent on vect_unpack.
	* gcc.dg/vect/slp-reduc-6.c: Ditto, plus add alignment.

From-SVN: r166922

	PR target/46546
	* config/i386/i386.c (ix86_reorg): Call compute_bb_for_insn.

From-SVN: r166921

PR middle-end/46515
        * function.c (maybe_copy_prologue_epilogue_insn): Rename from
        maybe_copy_epilogue_insn; handle prologue insns as well.
        * rtl.h, cfglayout.c: Update for rename.
        * recog.c (peep2_attempt): Copy prologue/epilogue data for
        RTX_FRAME_RELATED_P insns.

From-SVN: r166920

2010-11-18  Quentin Neill  <quentin.neill.gnu@gmail.com>

    * MAINTAINERS (Write After Approval): Add myself.

From-SVN: r166919

	PR middle-end/46534
	* builtins.c (fold_builtin_printf): Don't copy and modify string
	before build_string_literal, instead modify what
	build_string_literal returned.

	* gcc.c-torture/compile/pr46534.c: New test.

From-SVN: r166918

2010-11-18  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR libstdc++/46455
	* include/std/mutex: Define destructors for mutex types which use an
	init function.
	* include/ext/concurrence.h: Likewise.

From-SVN: r166917

decl.c (gnat_to_gnu_entity): Also use return-by-invisible-reference if the return type is By_Reference.

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Subprogram_Type>: Also
	use return-by-invisible-reference if the return type is By_Reference.
	Tidy up and skip the processing of the return type if it is void.

From-SVN: r166916

	* configure.ac: Check for lang_requires_boot_languages in
	config-lang.in files.
	* configure: Rebuild.

From-SVN: r166914

	Fix typo in the last ChangeLog entry.

From-SVN: r166913

2010-11-18  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/26211 + N3168
	* include/bits/istream.tcc (basic_istream<>::tellg, seekg(pos_type),
	seekg(off_type, ios_base::seekdir)): Construct a sentry.
	(basic_istream<>::tellg, seekg(pos_type), seekg(off_type,
	ios_base::seekdir, putback, unget)): Clear eofbit first, per N3168.  
	* testsuite/27_io/basic_istream/seekg/char/26211.cc: New.
	* testsuite/27_io/basic_istream/seekg/wchar_t/26211.cc: Likewise.
	* testsuite/27_io/basic_istream/tellg/char/26211.cc: Likewise.
	* testsuite/27_io/basic_istream/tellg/wchar_t/26211.cc: Likewise.
	* testsuite/27_io/basic_istream/tellg/char/8348.cc: Tweak.
	* testsuite/27_io/basic_istream/tellg/wchar_t/8348.cc: Likewise.

From-SVN: r166911

From-SVN: r166910

gcc/
	PR c/33193
	* c-typeck.c (build_unary_op): Call build_real_imag_expr for
	REALPART_EXPR and IMAGPART_EXPR.

gcc/c-family/
	PR c/33193
	* c-common.h (build_real_imag_expr): Declare.
	* c-semantics.c (build_real_imag_expr): Define.

gcc/cp/
	PR c/33193
	* typeck.c (cp_build_unary_op): Call build_real_imag_expr for
	REALPART_EXPR and IMAGPART_EXPR.

gcc/testsuite/
	PR c/33193
	* c-c++-common/pr33193.c: New test.

From-SVN: r166909