* haifa-sched.c (ISSUE_POINTS): Remove.
	(max_issue): Don't issue more than issue_rate instructions.

Co-Authored-By: Maxim Kuvyrkov <maxim@codesourcery.com>

From-SVN: r166002

2010-10-27  Ian Lance Taylor  <iant@google.com>

	PR target/46197
	* config/i386/i386.md (UNSPECV_SPLIT_STACK_RETURN): New.
	(split_stack_return): Replace UNSPEC_STACK_CHECK with
	UNSPECV_SPLIT_STACK_RETURN.

From-SVN: r166001

gcc/

2010-10-27  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-protos.h (init_cumulative_args): Add an int.

	* config/i386/i386.c (block_info): New.
	(BLOCK_INFO): Likewise.
	(call_avx256_state): Likewise.
	(check_avx256_stores): Likewise.
	(move_or_delete_vzeroupper_2): Likewise.
	(move_or_delete_vzeroupper_1): Likewise.
	(move_or_delete_vzeroupper): Likewise.
	(use_avx256_p): Likewise.
	(function_pass_avx256_p): Likewise.
	(flag_opts): Add -mvzeroupper.
	(ix86_option_override_internal): Turn on MASK_VZEROUPPER by
	default for TARGET_AVX.  Turn off MASK_VZEROUPPER if TARGET_AVX
	is disabled.
	(ix86_function_ok_for_sibcall): Disable sibcall if we need to
	generate vzeroupper.
	(init_cumulative_args): Add an int to indicate caller.  Set
	use_avx256_p, callee_return_avx256_p and caller_use_avx256_p
	based on return type.
	(ix86_function_arg): Set use_avx256_p, callee_pass_avx256_p and
	caller_pass_avx256_p based on argument type.
	(ix86_expand_epilogue): Emit vzeroupper if 256bit AVX register
	is used, but not returned by caller.
	(ix86_expand_call): Emit vzeroupper if 256bit AVX register is
	used.
	(ix86_local_alignment): Set use_avx256_p if 256bit AVX register
	is used.
	(ix86_minimum_alignment): Likewise.
	(ix86_expand_special_args_builtin): Set target to
	GEN_INT (vzeroupper_intrinsic) for CODE_FOR_avx_vzeroupper.
	(ix86_reorg): Run the vzeroupper optimization if needed.

	* config/i386/i386.h (ix86_args): Add caller.
	(INIT_CUMULATIVE_ARGS): Updated.
	(machine_function): Add use_vzeroupper_p, use_avx256_p,
	caller_pass_avx256_p, caller_return_avx256_p,
	callee_pass_avx256_p and callee_return_avx256_p.

	* config/i386/i386.opt (-mvzeroupper): New.

	* config/i386/predicates.md (vzeroupper_operation): Removed.

	* config/i386/sse.md (avx_vzeroupper): Removed.
	(*avx_vzeroupper): Removed.
	(avx_vzeroupper): New.

	* doc/invoke.texi: Document -mvzeroupper.

gcc/testsuite/

2010-10-27  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc.target/i386/avx-vzeroupper-1.c: Add -mtune=generic.
	* gcc.target/i386/avx-vzeroupper-2.c: Likewise.

	* gcc.target/i386/avx-vzeroupper-3.c: New.
	* gcc.target/i386/avx-vzeroupper-4.c: Likewise.
	* gcc.target/i386/avx-vzeroupper-5.c: Likewise.
	* gcc.target/i386/avx-vzeroupper-6.c: Likewise.
	* gcc.target/i386/avx-vzeroupper-7.c: Likewise.
	* gcc.target/i386/avx-vzeroupper-8.c: Likewise.
	* gcc.target/i386/avx-vzeroupper-9.c: Likewise.
	* gcc.target/i386/avx-vzeroupper-10.c: Likewise.
	* gcc.target/i386/avx-vzeroupper-11.c: Likewise.
	* gcc.target/i386/avx-vzeroupper-12.c: Likewise.
	* gcc.target/i386/avx-vzeroupper-13.c: Likewise.
	* gcc.target/i386/avx-vzeroupper-14.c: Likewise.

From-SVN: r166000

	* config/i386/t-mingw32 (SHLIB_LC): Add -lmingwthrd.
	* config/i386/t-mingw-w32 (SHLIB_LC): Likewise.
	* config/i386/t-mingw-w64 (SHLIB_LC): Likewise.

From-SVN: r165999

	* config/i386/w32-unwind.h (i386_w32_fallback_frame_state): Fix regnum
	of EBP.  Do not restore reg #9.  Remove +1 adjustment to EIP and set
	fs->signal_frame instead.

Co-Authored-By: Olivier Hainque <hainque@adacore.com>

From-SVN: r165998

In gcc/:
2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_parser_objc_at_property_declaration): Recognize
        RID_ASSIGN, RID_COPY, RID_RETAIN, RID_READWRITE and RID_NONATOMIC.
        Do not use objc_set_property_attr, but use local variables
        instead.  Detect repeated usage of setter, getter and ivar
        attributes.  Improved error processing when a setter name does not
        end in ':'.  Do not check for CPP_CLOSE_PAREN after we determined
        that the token is a keyword.  Updated call to
        objc_add_property_declaration.

In gcc/cp/:
2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        * parser.c (cp_parser_objc_at_property_declaration): Recognize
        RID_ASSIGN, RID_COPY, RID_RETAIN, RID_READWRITE and RID_NONATOMIC.
        Do not use objc_set_property_attr, but use local variables
        instead.  Detect repeated usage of setter, getter and ivar
        attributes.  Improved error processing when a setter name does not
        end in ':'.  Do not check for CPP_CLOSE_PAREN after we determined
        that the token is a keyword.  Updated call to
        objc_add_property_declaration.

In gcc/c-family/:
2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (enum rid): Added RID_READWRITE, RID_ASSIGN,
        RID_RETAIN, RID_COPY and RID_NONATOMIC.  Updated RID_FIRST_PATTR
        and RID_LAST_PATTR.
        (objc_add_property_declaration): Added additional arguments.
        (objc_property_attribute_kind): Removed.
        (objc_set_property_attr): Removed.
        * c-common.c (c_common_reswords): Added readwrite, assign, retain,
        copy and nonatomic.
        * stub-objc.c (objc_add_property_declaration): Added additional
        arguments.
        (objc_set_property_attr): Removed.
        
In gcc/objc/:
2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        * objc-act.c (objc_add_property_declaration): Added arguments to
        pass the various property attributes that were parsed with the
        property declaration.  Process arguments to determine the final
        property attributes and produce error messages as appropriate.
        Added temporary code to keep the compiler silent about variables
        set but not used - for new attributes that are only checked but
        have no effect yet.
        (property_readonly): Removed.
        (property_setter): Removed.
        (property_getter): Removed.
        (property_ivar): Removed.
        (property_copies): Removed.     
        (objc_set_property_attr): Removed.
        * objc-act.h (enum property_assign_semantics): New.
        
In gcc/testsuite/:
2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        * obj-c.dg/property/at-property-4.m: New.
        * obj-c++.dg/property/at-property-4.mm: New.
        * obj-c++.dg/property/property-neg-5.m: Updated testcase for
        updates in warning.
        * obj-c++.dg/property/property-neg-5.mm: Updated testcase for
        updates in warning.

From-SVN: r165997

In gcc/:
2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-parser.c (c_parser_objc_at_property): Renamed to
        c_parser_objc_at_property_declaration.  Updated calls to
        objc_add_property_variable, now objc_add_property_declaration.
        Code rewritten to be much more robust in recovering from syntax
        errors.  Added comments.
        (c_parser_objc_property_attrlist): Removed.
        (c_parser_external_declaration): Updated calls to
        c_parser_objc_at_property, now
        c_parser_objc_at_property_declaration.
        (c_parser_objc_methodprotolist): Same change.

In gcc/c-family/:
2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        * c-common.h (objc_add_property_variable): Renamed to
        objc_add_property_declaration.  Added location argument.
        * stub-objc.c (objc_add_property_variable): Same change.

In gcc/cp/:
2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        * parser.c (cp_parser_objc_property_decl): Renamed to
        cp_parser_objc_struct_declaration.  Return the parsed trees
        instead of calling objc_add_property_variable directly.  Detect
        missing or invalid declspecs.  Implemented attributes.  Do not eat
        the ';' at the end.  Exit loop whenever a non-comma is parsed, not
        just EOF.
        (cp_parser_objc_at_property): Renamed to
        cp_parser_objc_at_property_declaration.  Updated calls to
        objc_add_property_variable, now objc_add_property_declaration, and
        to cp_parser_objc_property_decl, now
        cp_parser_objc_struct_declaration.  Rewritten all code to be more
        robust in dealing with syntax errors, and almost identical to the
        one in c_parser_objc_at_property_declaration.
        (cp_parser_objc_property_attrlist): Removed.
        (cp_parser_objc_method_prototype_list): Updated call to
        cp_parser_objc_at_property.
        (cp_parser_objc_method_definition_list): Same change.
        (cp_parser_objc_class_ivars): Detect a number of invalid
        declarations of instance variables and produce errors when they
        are found.

In gcc/objc/:
2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        * objc-act.c (objc_add_property_variable): Renamed to
        objc_add_property_declaration.  Added location argument.  Updated
        warnings and errors to use it.  Use error, not fatal_error, if a
        property declaration is found outside an interface or
        implementation context.

In gcc/testsuite/:
2010-10-27  Nicola Pero  <nicola.pero@meta-innovation.com>

        * objc.dg/property/at-property-1.m: New.
        * objc.dg/property/at-property-2.m: New.
        * objc.dg/property/at-property-3.m: New.
        * objc.dg/ivar-invalid-type-1.m: New.
        * obj-c++.dg/property/at-property-1.mm: New.
        * obj-c++.dg/property/at-property-2.mm: New.
        * obj-c++.dg/property/at-property-3.mm: New.
        * obj-c++.dg/ivar-invalid-type-1.mm: New.
        * objc.dg/property/property-neg-6.m: Updated testcase for updates
        in error reporting.

From-SVN: r165996

2010-10-26  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.md (split_stack_return): Put back
	unspec_volatile.

From-SVN: r165995

From-SVN: r165994

ipa.c (process_references): Enqueue all referenced nodes; mark as reachable only non-external nodes.


	* ipa.c (process_references): Enqueue all referenced nodes;
	mark as reachable only non-external nodes.
	(cgraph_remove_unreachable_nodes): All referenced nodes should
	be enqueued; remove bogues node->needed check.

From-SVN: r165990

From-SVN: r165989

ipa.c (process_references): Enqueue all referenced nodes; mark as reachable only non-external nodes.


	* ipa.c (process_references): Enqueue all referenced nodes;
	mark as reachable only non-external nodes.
	(cgraph_remove_unreachable_nodes): All referenced nodes should
	be enqueued; remove bogues node->needed check.

From-SVN: r165988

From-SVN: r165987

From-SVN: r165986

	* lto.c (add_cgraph_node_to_partition,
	add_varpool_node_to_partition): Add debug info.
	(lto_1_to_1_map, lto_balanced_map): Do not re-add already
	partitioned nodes.
	(do_whole_program_analysis): Set function flags before dumping.

From-SVN: r165984

Revert
	* pt.c (lookup_template_class): push_tinst_level around call to
	coerce_template_parms.

From-SVN: r165982

2010-10-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/46010
	* gfortran.dg/namelist_66.f90: New test.
	* gfortran.dg/fmt_t_6.f: Fix whitespace.

From-SVN: r165981

2010-10-26  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* doc/install.texi: Fix typo in --with-sysroot description.

From-SVN: r165980

2010-10-26  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/46010
	* io/list_read.c (nml_parse_qualifier): Add additional conditions for
	setting the end index for loop specification. Fix some whitespace.
	* io/write.c (write_default_char4): Const-ify the source argument.

From-SVN: r165979

	* ipa.c (cgraph_externally_visible_p, varpool_externally_visible_p):
	Use info provided by linker plugin.

From-SVN: r165978

	* aclocal.m4 (AC_LANG_FUNC_LINK_TRY(C)): Delete.
	* configure: Regenerate.

From-SVN: r165977

	* tree.c (build_vec_init_expr): Split out from...
	(build_array_copy): ...here.
	* init.c (perform_member_init): Use it.
	* cp-tree.h: Declare it.
	* cp-gimplify.c (cp_gimplify_init_expr): Don't gimplify the slot for
	VEC_INIT_EXPR and AGGR_INIT_EXPR here.  Drop pre/post parameters.
	(cp_gimplify_expr): Handle array default-initialization via
	VEC_INIT_EXPR.

From-SVN: r165976

varasm.c (constructor_static_from_elts_p): Don't require a CONSTRUCTOR to have elements to be suitable for static...

	* varasm.c (constructor_static_from_elts_p): Don't require a
	CONSTRUCTOR to have elements to be suitable for static
	initialization.  Allow ARRAY_TYPE as well.

From-SVN: r165975

	* pt.c (lookup_template_class): push_tinst_level around call to
	coerce_template_parms.

From-SVN: r165974

re PR fortran/42647 ([F03] Missed initialization/dealloc of allocatable scalar DT with allocatable component)

2010-10-26  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/42647
	* trans.h (gfc_deallocate_scalar_with_status): New prototype.
	* trans.c (gfc_deallocate_scalar_with_status): New function for
	deallocation of allocatable scalars.
	* trans-array.c (structure_alloc_comps): Call it here ...
	* trans-decl.c (gfc_trans_deferred_vars): ... here ...
	* trans-stmt.c (gfc_trans_deallocate): ... and here.

2010-10-26  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/42647
	* gfortran.dg/allocatable_scalar_9.f90: Extended.
	* gfortran.dg/allocatable_scalar_10.f90: New.
	* gfortran.dg/class_19.f03: Extended.

From-SVN: r165973

re PR lto/45736 (ICE: in cgraph_remove_unreachable_nodes, at ipa.c:245 with -flto and attribute((constructor)))


	PR middle-end/45736
	* cgraph.c (cgraph_set_readonly_flag): Rename to...
	(cgraph_set_const_flags) ... this one; get also looping argument;
	clear constructor/destructor flags.
	(cgraph_set_pure_flag): Likewise.
	(cgraph_set_looping_const_or_pure_flag): Remove.
	(cgraph_can_remove_if_no_direct_calls_and_refs): Do not try
	to optimize away static ctors/dtors; it does not work on inline clones;
	external functions can always be rmeoved.
	(cgraph_will_be_removed_from_program_if_no_direct_calls): Assert on inline
	clones; in LTO external functions always can go.
	(cgraph_used_from_object_file_p): Handle EXTERNAL functions correctly.
	(cgraph_mark_address_taken_node): Assert that we are not taking address of
	inline clone.
	(cgraph_can_remove_if_no_direct_calls_p): We always eventually remove
	external functions.
	* ipa-cp.c (ipcp_cloning_candidate_p): Do not clone functions with address taken.
	(ipcp_initialize_node_lattices): Only local functions can be handled without cloning.
	* cgraph.h (cgraph_set_readonly_flag,
	cgraph_set_looping_const_or_pure_flag): Remove.
	(cgraph_set_const_flag): Declare.
	(cgraph_set_pure_flag): Update.
	* ipa-pure-const (propagate_pure_const, local_pure_const): Update
	flags setting code.
	* ipa.c (cgraph_remove_unreachable_nodes): Fix formating; do not look at inline
	clones; fix handling of external definitions.
	(cgraph_postorder): Do not look at inline clones in the first pass.
	(function_and_variable_visibility): Drop constructors/destructor
	flags at pure and const functions.
	* tree-profile.c (tree_profiling): Update.
	* ipa-inline.c (cgraph_clone_inlined_nodes): Always clone functions with
	address taken; external functions do not account to whole program size.
	(cgraph_decide_inlining): Likewise; do not try to inline functions already
	inlined.
	* testsuite/gcc.dg/lto/pr45736_0.c: New function.

From-SVN: r165972

	* doc/invoke.texi: Improve documentation of
	-fstrict-volatile-bitfields.

From-SVN: r165971

re PR tree-optimization/46167 (ICE: SIGSEGV in flow_bb_inside_loop_p (cfgloop.c:776) with -O -ftree-vectorize)


	PR tree-optimization/46167
	* tree-vect-patterns.c (vect_recog_dot_prod_pattern): Check that there
	is basic block for the statement.

From-SVN: r165970

From-SVN: r165969

From-SVN: r165968

From-SVN: r165967

* config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Update to
current definition of struct_real_format.

From-SVN: r165966

gcc/

2010-10-26  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44948
	* config/i386/i386.c (ix86_old_function_arg_boundary): New.
	(ix86_function_arg_boundary): Always align parameters on stack
	in 64bit and align parameters with alignment >= 16byte on stack 
	in 32bit.  Warn alignment change.

gcc/testsuite/

2010-10-26  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/44948
	* g++.dg/abi/param2.C: Add -Wno-psabi for ilp32 x86.
	* g++.dg/vect/pr33860a.cc: Likewise.
	* gcc.c-torture/compile/20070522-1.c: Likewise.
	* gcc.dg/compat/struct-align-1_x.c: Likewise.
	* gcc.dg/compat/struct-align-1_y.c: Likewise.
	* gcc.dg/compat/struct-align-2_x.c: Likewise.
	* gcc.dg/compat/struct-align-2_y.c: Likewise.
	* gcc.dg/pr44136.c: Likewise.

	* gcc.c-torture/compile/pr33617.c: Add -Wno-psabi for x86.
	* gcc.dg/compat/vector-1_x.c: Likewise.
	* gcc.dg/compat/vector-1_y.c: Likewise.
	* gcc.dg/compat/vector-2_x.c: Likewise.
	* gcc.dg/compat/vector-2_y.c: Likewise.
	* gcc.dg/pr43300.c: Likewise.

	* gcc.dg/compat/vector-1a_x.c: Add -Wno-psabi.
	* gcc.dg/compat/vector-1a_y.c: Likewise.
	* gcc.dg/compat/vector-1b_x.c: Likewise.
	* gcc.dg/compat/vector-1b_y.c: Likewise.
	* gcc.dg/compat/vector-2a_x.c: Likewise.
	* gcc.dg/compat/vector-2a_y.c: Likewise.
	* gcc.dg/compat/vector-2b_x.c: Likewise.
	* gcc.dg/compat/vector-2b_y.c: Likewise.
	* gcc.target/i386/pr39162.c: Likewise.
	* gcc.target/i386/pr40906-2.c: Likewise.
	* gcc.target/i386/sse-5.c: Likewise.

	* gcc.dg/pr35442.c: Prune ABI change warnings.

	* gcc.c-torture/execute/pr38151.x: New.
	* gcc.target/i386/pr44948-1a.c: Likewise.
	* gcc.target/i386/pr44948-1b.c: Likewise.
	* gcc.target/i386/pr44948-2a.c: Likewise.
	* gcc.target/i386/pr44948-2b.c: Likewise.

From-SVN: r165965

gcc/:
	PR middle-end/45687
	* ipa-prop.c (ipa_modify_call_arguments): Correct type of MEM_REF
	offset.
gcc/testsuite:
	* gcc.c-torture/execute/20101025-1.c: New test.

From-SVN: r165964

2010-10-26  Robert Dewar  <dewar@adacore.com>

	* exp_ch5.adb, exp_prag.adb, sem_ch3.adb, exp_atag.adb, layout.adb,
	sem_dist.adb, exp_ch7.adb, exp_util.adb, exp_attr.adb, exp_ch9.adb,
	sem_ch10.adb, checks.adb, sem_prag.adb, par-endh.adb, sem_ch12.adb,
	exp_smem.adb, sem_attr.adb, exp_ch4.adb, exp_ch6.adb, exp_ch8.adb,
	sem_ch6.adb, exp_disp.adb, exp_aggr.adb, exp_dist.adb, sem_ch13.adb,
	par-ch3.adb, par-ch5.adb, exp_strm.adb, exp_ch3.adb: Minor reformatting
	* opt.ads: Minor comment fix.

2010-10-26  Vincent Celier  <celier@adacore.com>

	* gnat_ugn.texi: Document option -s for gnatlink.

From-SVN: r165963

2010-10-26  Robert Dewar  <dewar@adacore.com>

	* opt.ads: Move documentation on checksum stuff here from prj-nmsc
	* prj-nmsc.adb (Process_Project_Level_Array_Attributes): Move
	documentation on checksum versions to opt.ads.

From-SVN: r165962

2010-10-26  Vincent Celier  <celier@adacore.com>

	* opt.ads (Checksum_Accumulate_Token_Checksum): New Boolean flag,
	defaulted to True.
	(Checksum_GNAT_6_3): New name of Old_Checksums
	(Checksum_GNAT_5_03): New name of Old_Old_Checksums
	* prj-nmsc.adb (Process_Project_Level_Array_Attributes): Adapt to new
	names of Opt flags.
	Set Checksum_Accumulate_Token_Checksum to False if GNAT version is 5.03
	or before.
	* scng.adb (Accumulate_Token_Checksum_GNAT_6_3): New name of procedure
	Accumulate_Token_Checksum_Old.
	(Accumulate_Token_Checksum_GNAT_5_03): New name of procedure
	Accumulate_Token_Checksum_Old_Old.
	(Nlit): Call Accumulate_Token_Checksum only if
	Opt.Checksum_Accumulate_Token_Checksum is True.
	(Scan): Ditto

From-SVN: r165961

2010-10-26  Robert Dewar  <dewar@adacore.com>

	* sem_ch13.adb (Build_Invariant_Procedure): New calling sequence.
	(Build_Invariant_Procedure): Properly handle analysis of invariant
	expression with proper end-of-visible-decls visibility.
	* sem_ch13.ads (Build_Invariant_Procedure): Changed calling sequence.
	* sem_ch3.adb (Process_Full_View): Don't build invariant procedure
	(too late).
	(Analyze_Private_Extension_Declaration): Propagate invariant flags.
	* sem_ch7.adb (Analyze_Package_Specification): Build invariant
	procedures.

From-SVN: r165960

2010-10-26  Vincent Celier  <celier@adacore.com>

	* opt.ads (Old_Checksums, Old_Old_Checksums): New Boolean flags,
	defaulted to False.
	* prj-nmsc.adb (Process_Project_Level_Array_Attributes): When
	processing attribute Toolchain_Version ("Ada"), set Opt.Old_Checksums
	and Opt.Old_Old_Checksums depending on the GNAT version.
	* scng.adb (Accumulate_Token_Checksum_Old): New procedure.
	(Accumulate_Token_Checksum_Old_Old): New procedure.
	(Scan): For keywords, when Opt.Old_Checksums is True, call one of the
	alternative procedures Accumulate_Token_Checksum_Old or
	Accumulate_Token_Checksum_Old_Old, instead of Accumulate_Token_Checksum.

From-SVN: r165959

2010-10-26  Richard Kenner  <kenner@vlsi1.ultra.nyu.edu>

	* gcc-interface/utils2.c (build_compound_expr): New function.
	* gcc-interface/gigi.h (build_compound_expr): Declare it.
	* gcc-interface/trans.c (Attribute_to_gnu, call_to_gnu): Use it.
	(gnat_to_gnu, case N_Expression_With_Actions): Likewise.

From-SVN: r165958