* config/ia64/ia64.c (ia64_dwarf_handle_frame_unspec): New.
        (TARGET_DWARF_HANDLE_FRAME_UNSPEC): New.
        (do_spill): Use REG_CFA_OFFSET.
        (ia64_expand_prologue): Use REG_CFA_ADJUST_CFA and REG_CFA_REGISTER
        as appropriate.
        (ia64_expand_epilogue): Likewise.
        (process_set): Split into ...
        (process_cfa_adjust_cfa): this,
        (process_cfa_register): this,
        (process_cfa_offset): and this new function.
        (ia64_asm_unwind_emit): Use them.  Expect REG_CFA_* notes
        instead of REG_FRAME_RELATED_EXPR.

From-SVN: r164609

        * config/i386/vx-common.h (DBX_REGISTER_NUMBER): Reinstate.

From-SVN: r164607

	* doc/extend.texi: (attribute leaf): Document.
	* tree.c (local_define_builtin): Handle ECF_LEAF.
	(build_common_builtin_nodes): Set ECF_LEAF where needed.
	* tree.h (ECF_LEAF): New.
	* ipa-reference.c (propagate_bits): For leaf calls propagate ever overwrittable
	and unavailable functions.
	(ipa_init): Put all_module_statics into optimization_summary_obstack.
	(copy_global_bitmap): Do not copy all_module_statics.
	(read_write_all_from_decl): Use cgraph_node argument; handle ECF_LEAF.
	(propagate): Handle overwritable and unavailable leaf functions;
	initialize global info for overwritable and unavailable leaf functions;
	do not free all module statics.
	(ipa_reference_get_not_read_global, ipa_reference_get_not_written_global):
	leaf calls don't clobber local statics.
	* calls.c (flags_from_decl_or_type): Handle leaf.
	* tree-cfg.c (stmt_can_make_abnormal_goto): Leaf functions can't do
	abnormal gotos.

	* c-common.c (handle_leaf_attribute): New function.
	(struct attribute_spec c_common_att): Add leaf.

	* gcc.dg/tree-ssa/leaf.c: New testcase.

From-SVN: r164606

2010-09-24  Basile Starynkevitch  <basile@starynkevitch.net>

	* gcc/gengtype.c: Reindented.

	* gcc/gengtype.h: Reindented.

	* gcc/gengtype-parse.c: Reindented.

From-SVN: r164604

re PR middle-end/45738 (ICE: tree check: expected var_decl, have debug_expr_decl in const_value_known_p, at varpool.c:375)


	PR tree-optimization/45738
	PR tree-optimization/45741
	* expr.c (string_constant): Allow CONST_DECL too;
	check that DECL_INITIAL is set.
	* varpool.c (const_value_known_p): Only look into VAR_DECL
	and CONST_DECL.

	* gcc.c-torture/compile/pr45741.c: New.
	* gfortran.fortran-torture/compile/pr45738.f90: New.

From-SVN: r164602

	* common.opt (undef): New.

testsuite:
	* gcc.dg/cpp/undef-opt-1.c: New test.

From-SVN: r164599

	* decl.c (compute_array_index_type): Remember type dependence of
	array bound.
	* pt.c (dependent_type_p_r): Don't recompute it here.

From-SVN: r164598

	* error.c (dump_expr) [CASE_CONVERT]: Print conversion between
	reference and pointer to the same type as "*" or "&".

From-SVN: r164597

re PR middle-end/45234 (ICE in expand_call, at calls.c:2845 when passing aligned function argument from unaligned stack after alloca)

	PR middle-end/45234
	* rtl.h (enum global_rtl_index): Add
	GR_VIRTUAL_PREFERRED_STACK_BOUNDARY.
	(LAST_VIRTUAL_POINTER_REGISTER): Define.
	(virtual_preferred_stack_boundary_rtx,
	VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM): Define.
	(LAST_VIRTUAL_REGISTER): Increase by one.
	(REGNO_PTR_FRAME_P): Use LAST_VIRTUAL_POINTER_REGISTER
	instead of LAST_VIRTUAL_REGISTER.
	* function.c (instantiate_new_reg): Handle
	virtual_preferred_stack_boundary_rtx.
	* emit-rtl.c (init_virtual_regs): Handle
	VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM.
	(init_emit_regs): Initialize virtual_preferred_stack_boundary_rtx.
	* explow.c (round_push): If crtl->preferred_stack_boundary
	is smaller than MAX_SUPPORTED_STACK_ALIGNMENT, use
	virtual_preferred_stack_boundary_rtx alignment instead of
	crtl->preferred_stack_boundary alignment.
	(allocate_dynamic_stack_space): Use CONST_INT_P and REG_P
	macros.  Never decrease crtl->preferred_stack_boundary,
	use crtl->preferred_stack_boundary or MAX_SUPPORTED_STACK_ALIGNMENT
	instead of PREFERRED_STACK_BOUNDARY.  Don't modify
	stack_pointer_delta in dynamic allocation, even when size
	is constant.
	(probe_stack_range, anti_adjust_stack_and_probe): Use CONST_INT_P
	macro.
	* print-rtl.c (print_rtx): Handle
	VIRTUAL_PREFERRED_STACK_BOUNDARY_REGNUM.
	* config/alpha/alpha.h (NONSTRICT_REG_OK_FP_BASE_P): Use
	LAST_VIRTUAL_POINTER_REGISTER instead of LAST_VIRTUAL_REGISTER.
	* config/frv/frv.c (frv_emit_movsi): Likewise.
	* config/arm/arm.c (thumb1_legitimate_address_p): Likewise.
	* config/rs6000/rs6000.c (virtual_stack_registers_memory_p):
	Likewise.

	* gcc.dg/torture/stackalign/alloca-6.c: New test.
	* gcc.target/i386/pr45234.c: New test.

	Revert:
	2010-09-17  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/45234
	* calls.c (expand_call): Make sure that all variable sized
	adjustments are multiple of preferred stack boundary after
	stack alignment.

From-SVN: r164593

	PR bootstrap/45751
	* gcc/config/darwin-driver.c (darwin_default_min_version):
	Adjust size passed to memcpy in two places.


Co-Authored-By: Dominique d'Humieres <dominiq@lps.ens.fr>

From-SVN: r164592

2010-09-24  Richard Guenther  <rguenther@suse.de>

	* c-decl.c (pop_scope): Always set file-scope DECL_CONTEXT.
	Make sure to not call set_type_context with error_mark_node.
	* langhooks.c (lhd_set_decl_assembler_name): Use DECL_FILE_SCOPE_P.

	* gcc.dg/lto/20091006-2_0.c: Prune warnings.

From-SVN: r164591

2010-09-24  Richard Guenther  <rguenther@suse.de>

	* Makefile.in (OBJS-onestep): Remove.
	(ALL_HOST_BACKEND_OBJS): Remove libbackend.o.
	(libbackend.a): Remove onestep support.
	(libbackend.o): Remove.
	* configure.ac (--enable-intermodule): Remove.
	* configure: Regenerate.

From-SVN: r164590

cfgcleanup.c (flow_find_head_matching_sequence): Terminate when reaching the end of a block if it occurs at a DEBUG_INSN.

	* cfgcleanup.c (flow_find_head_matching_sequence): Terminate when
	reaching the end of a block if it occurs at a DEBUG_INSN.

From-SVN: r164589

2010-09-24  Marcus Shawcroft  <marcus.shawcroft@arm.com>

	* g++.dg/debug/dwarf2/nested-2.C: Permit the ARM @ character
	as a comment leader in regexp.

From-SVN: r164588

2010-09-09  Tristan Gingold  <gingold@adacore.com>

	PR target/44242
	* config/vms/vms-crt0-64.c: Removed.
	* config/vms/vms-crt0.c: Removed.
	* config/vms/vms-psxcrt0-64.c: Removed.
	* config/vms/vms-psxcrt0.c: Removed.
	* config/vms/vms-ucrt0.c: New file.
	* config/vms/t-vms64: Removed.
	* config/vms/t-vms (VMS_EXTRA_PARTS): Uncomment it.  Remove DECC.
	Use $(GCC_FOR_TARGET) to build pcrt0.o and vcrt0.o
	* config.gcc (alpha-dec-vms): Use t-vms.

From-SVN: r164587

        * doc/invoke.texi (-fno-nil-receivers): Tidied up line to remove
        underfull hbox in DVI output.
        (-fobjc-class-cxx-cdtors): Same change.
        (-fobjc-exceptions): Tidied up documentation.  Explain what the
        option does, but moved the (lenghty) description of the exception
        syntax into objc.texi.
        (-fobjc-gc): Explain that the option is not useful with the GNU
        runtime.
        (-fzero-link): Explain that the GNU runtime always works in
        "zero-link" mode.
        * doc/objc.texi: All sections: simplified @node declarations
        removing specification of next, previous, up node.
        (Objective-C): Updated introduction.
        (Garbage Collection): Updated.  The bohem-gc library is now
        included in gcc itself.  Mention that this section only applies to
        the GNU Objective-C runtime.
        (compatibility_alias): Small tidy up.
        (Exceptions): New section mostly containing text previously in the
        description of the -fobjc-exception command-line option.
        (Synchronization): Same.

From-SVN: r164586

        * objc.dg/sync-2.m: New test.
        * obj-c++.dg/sync-2.mm: New test.

From-SVN: r164585

2010-09-24  Tobias Burnus  <burnus@net-b.de>

        * gfortran.texi: Add second space after end-of-sentence period;
        change / to /@/ to allow hyphenation of URLs.
        (Standards): Remove duplicated OpenMP, update wording given that
        Fortran 2008 now released.
        (Fortran 2008 status): Update and add list of implemented features.

From-SVN: r164584

	* config/i386/i386.md (ix86_code_end): Move the initialization of
	xops array near the consumer.  Use AX_REG and SP_REG instead of
	numerical constants.

From-SVN: r164583

2010-09-24  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40571
        * iso-fortran-env.def: Add NAMED_KINDARRAY with
        character_kinds, integer_kinds, logical_kinds and
        real_kinds.
        * gfortran.h: Add them to iso_fortran_env_symbol.
        * libgfortran.h: Rename GFC_INQUIRE_INTERNAL_UNIT to
        LIBERROR_INQUIRE_INTERNAL_UNIT and move it from
        libgfortran_stat_codes to libgfortran_error_codes.
        * module.c (create_int_parameter_array): New function.
        (use_iso_fortran_env_module): Use it for
        NAMED_KINDARRAY of iso-fortran-env.def.
        * trans-decl.c (gfc_get_symbol_decl): Parameter
        arrays of intrinsics modules become local static variables.
        * intrinsic.texi (ISO_FORTRAN_ENV): Add character_kinds,
        integer_kinds, logical_kinds and real_kinds.

2010-09-24  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40571
        * gfortran.dg/iso_fortran_env_7.f90: New.

From-SVN: r164581

From-SVN: r164578

        * c-typeck.c (convert_arguments): Use warning 'too many arguments
        to method [methodname]' for an Objective-C method instead of the
        less satisfactory 'too many arguments to function' (with no method
        name).
In gcc/cp/:
        * typeck.c (warn_args_num): Use warning 'too many arguments to
        method [methodname]' for an Objective-C method instead of the less
        satisfactory 'too many arguments to function' (with no method
        name).
In gcc/testsuite/:
        * obj-c++.dg/too-many-args.mm: New file.
        Merge from 'apple/trunk' branch on FSF servers.

        2006-03-27 Fariborz Jahanian <fjahanian@apple.com>

        Radar 4491608
        * objc.dg/too-many-args.m: New

From-SVN: r164573

From-SVN: r164572

	* tree-flow.h (execute_update_addresses_taken): Adjust.
	* tree-ssa.c (maybe_optimize_var): Tweak comment and dump messages.
	(execute_update_addresses_taken): Remove parameter and OPTIMIZE test.
	* passes.c (execute_function_todo): Adjust calls to above function.

From-SVN: r164571

2010-09-23  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/45744
	* frontend-passes.c (optimize_binop_array_assignment):
	Only re-use lhs as intermediate storage if kind and type
	parameters match.

2010-09-23  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/45744
	* gfortran.dg/dependency_36.f90:  New test.

From-SVN: r164570

From-SVN: r164569

	* config/arm/arm.h (OUTPUT_ADDR_CONST_EXTRA): Remove.
	* config/arm/arm-protos.h (arm_output_addr_const_extra): Remove.
	* config/arm/arm.c (TARGET_ASM_OUTPUT_ADDR_CONST_EXTRA): Define.
	(arm_output_addr_const_extra): Make static.

From-SVN: r164568

	* config/i386/i386.md (UNSPECV_NOPS): Rename from UNSPEC_NOPS and
	define as unspec_volatile.
	("nops"): Define as unspec_volatile. Use fputs to write to
	asm_out_file directly.  Output NOPs on separate lines using while loop.
	* config/i386/i386.c (ix86_code_end): Use fputs to write to
	asm_out_file directly.  Output NOPs on separate lines using while loop.

testsuite/ChangeLog:

	* gcc.target/i386/pad-1.c: Remove -S from dg-options.
	* gcc.target/i386/pad-3.c: Ditto.
	* gcc.target/i386/pad-7.c: Ditto.
	* gcc.target/i386/pad-7.c: Ditto.
	* gcc.target/i386/pr36502.c: Ditto.
	* gcc.target/i386/zee.c: Ditto.
	* gcc.target/i386/20060821-1.c: Ditto.
	* gcc.target/i386/pad-2.c: Ditto.  Scan for NOPs on separate lines.
	* gcc.target/i386/pad-5a.c: Ditto.  Do not use scan-assembler-not.
	* gcc.target/i386/pad-5b.c: Ditto.
	* gcc.target/i386/pad-6a.c: Ditto.
	* gcc.target/i386/pad-6b.c: Ditto.
	* gcc.target/i386/pad-8.c: Ditto.
	* gcc.target/i386/pad-9.c: Ditto.
	* gcc.target/i386/pad-10.c: Ditto.
	* gcc.target/i386/pad-4.c: Ditto.  Require pic effective target.

From-SVN: r164564

re PR middle-end/45565 (ICE: in execute_todo, at passes.c:1276 with -fno-toplevel-reorder -fno-inline -fipa-cp-clone -fkeep-inline-functions)

2010-09-23  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45565
	* cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee):
	Make sure to adjust the fndecl before replacing the stmt.

	* g++.dg/ipa/pr45565.C: New testcase.

From-SVN: r164561

2010-09-23  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/45745
	PR fortran/45648
	* trans-array.c (gfc_conv_expr_descriptor): Handle 
	ss->type == GFC_SS_INTRINSIC (for {l,u}bound intrinsics) case. 

2010-09-23  Mikael Morin  <mikael@gcc.gnu.org>

	PR fortran/45745
	PR fortran/45648
	* gfortran.dg/vector_subscript_bound_1.f90: New.

From-SVN: r164558

2010-09-23  Richard Guenther  <rguenther@suse.de>

	PR middle-end/45750
	* gimplify.c (gimplify_expr): Properly pass on GS_ERROR when
	gimplifying MEM_REF.

	* gcc.dg/pr45750.c: New testcase.

From-SVN: r164555

	* gcc.dg/torture/stackalign/alloca-4.c: Remove -m32 from dg-options.
	* gcc.dg/torture/stackalign/alloca-5.c: Likewise.  Fix up -DDEBUG
	build.

From-SVN: r164554

	* config/rs6000/rs6000.c (toc_relative_ok): Delete.
	(rs6000_emit_move): Use SYMBOL_REF_LOCAL_P instead.

From-SVN: r164553

	PR rtl-optimization/44374
	* basic-block.h (enum bb_flags): Add BB_MODIFIED.
	* df-core.c (df_set_bb_dirty): Set it.
	* ifcvt.c (find_memory): Remove function.
	(dead_or_predicable): Use can_move_insns_across.
	* df.h (can_move_insns_across): Declare function.
	* cfgcleanup.c (block_was_dirty): New static variable.
	(try_crossjump_bb, try_forward_edges): Test BB_MODIFIED flag rather
	than df_get_bb_dirty.
	(try_head_merge_bb): New static function.
	(try_optimize_cfg): Call it.  Call df_analyze if block_was_dirty
	is set.
	* df-problems.c: Include "target.h"
	(df_simulate_find_uses): New static function.
	(MEMREF_NORMAL, MEMREF_VOLATILE): New macros.
	(find_memory, find_memory_store): New static functions.
	(can_move_insns_across): New function.
	* Makefile.in (df-problems.o): Update dependencies.

testsuite/
	PR rtl-optimization/44374
	* gcc.target/arm/headmerge-1.c: New test.
	* gcc.target/arm/headmerge-2.c: New test.
	* gcc.target/i386/headmerge-1.c: New test.
	* gcc.target/i386/headmerge-2.c: New test.

From-SVN: r164552

gcc/fortran/
2010-09-23  Tobias Burnus  <burnus@net-b.de>

        * intrinsic.texi (OpenMP modules): Add named constants of
        OMP_LIB.

libgomp/
2010-09-23  Tobias Burnus  <burnus@net-b.de>

        * libgomp.texi (omp_get_nested, omp_set_nested,
        * omp_set_dynamic):
        Change Fortran datatype to LOGICAL.
        (omp_set_lock, omp_test_lock, omp_unset_lock, omp_set_nested_lock,
        omp_unset_nested_lock): Use intent(inout) instead of intent(out).

From-SVN: r164551

2010-09-23  Daniel Kraft  <d@domob.eu>

	PR fortran/38936
	PR fortran/44044
	PR fortran/45474
	* gfortran.h (gfc_check_vardef_context): New method.
	(struct symbol_attribute): New flag `select_type_temporary'.
	* primary.c (gfc_variable_attr): Clarify initialization of ref.
	(match_variable): Remove PROTECTED check and assignment check
	for PARAMETERs (this is now done later).
	* match.c (gfc_match_iterator): Remove INTENT(IN) check.
	(gfc_match_associate): Defer initialization of newAssoc->variable.
	(gfc_match_nullify): Remove PURE definability check.
	(select_type_set_tmp): Set new `select_type_temporary' flag.
	* expr.c (gfc_check_assign): Remove INTENT(IN) check here.
	(gfc_check_pointer_assign): Ditto (and other checks removed).
	(gfc_check_vardef_context): New method.
	* interface.c (compare_parameter_protected): Removed.
	(compare_actual_formal): Use `gfc_check_vardef_context' for checks
	related to INTENT([IN]OUT) arguments.
	* intrinsic.c (check_arglist): Check INTENT for intrinsics.
	* resolve.c (gfc_resolve_iterator): Use `gfc_check_vardef_context'.
	(remove_last_array_ref): New method.
	(resolve_deallocate_expr), (resolve_allocate_expr): Ditto.
	(resolve_allocate_deallocate): Ditto (for STAT and ERRMSG).
	(resolve_assoc_var): Remove checks for definability here.
	(resolve_select_type): Handle resolving of code->block here.
	(resolve_ordinary_assign): Remove PURE check.
	(resolve_code): Do not resolve code->blocks for SELECT TYPE here.
	Use `gfc_check_vardef_context' for assignments and pointer-assignments.

2010-09-23  Daniel Kraft  <d@domob.eu>

	PR fortran/38936
	PR fortran/44044
	PR fortran/45474
	* gfortran.dg/intrinsic_intent_1.f03: New test.
	* gfortran.dg/select_type_17.f03: New test.
	* gfortran.dg/associate_5.f03: More definability tests.
	* gfortran.dg/enum_2.f90: Check definability.
	* gfortran.dg/allocatable_dummy_2.f90: Change expected error message.
	* gfortran.dg/allocate_alloc_opt_2.f90: Ditto.
	* gfortran.dg/char_expr_2.f90: Ditto.
	* gfortran.dg/deallocate_alloc_opt_2.f90: Ditto.
	* gfortran.dg/enum_5.f90: Ditto.
	* gfortran.dg/equiv_constraint_8.f90: Ditto.
	* gfortran.dg/impure_assignment_2.f90: Ditto.
	* gfortran.dg/impure_assignment_3.f90: Ditto.
	* gfortran.dg/intent_out_1.f90: Ditto.
	* gfortran.dg/intent_out_3.f90: Ditto.
	* gfortran.dg/pointer_assign_7.f90: Ditto.
	* gfortran.dg/pointer_intent_3.f90: Ditto.
	* gfortran.dg/pr19936_1.f90: Ditto.
	* gfortran.dg/proc_ptr_comp_3.f90: Ditto.
	* gfortran.dg/simpleif_2.f90: Ditto.
	* gfortran.dg/protected_5.f90: Ditto.
	* gfortran.dg/protected_4.f90: Ditto and remove invalid error check.
	* gfortran.dg/protected_6.f90: Ditto.
	* gfortran.dg/protected_7.f90: Ditto.

From-SVN: r164550

2010-09-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/45710
	* gfortran.dg/namelist_65.f90: New test.

From-SVN: r164548

2010-09-22  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/45710
	* io/write.c (namelist_write_newline): Pad character array internal
	unit records with spaces.

From-SVN: r164543

From-SVN: r164542

	PR java/44095
	* config/sparc/linux.h (ASM_SPEC): Pass -K PIC if -findirect-dispatch
	is specified and the suffix of the file isn't ".c".
	* config/sparc/linux64.h (ASM_SPEC): Likewise.

From-SVN: r164534