PR c++/45588
	* pt.c (tsubst) <case INTEGER_TYPE>: Call mark_rvalue_use
	before calling fold_decl_constant_value.

	* g++.dg/warn/Wunused-var-15.C: New test.

From-SVN: r164051

	* rtl.def (DEBUG_IMPLICIT_PTR): New rtl code.
	* rtl.h (DEBUG_IMPLICIT_PTR_DECL): Define.
	* rtl.c (rtx_equal_p_cb, rtx_equal_p): Handle DEBUG_IMPLICIT_PTR.
	* print-rtl.c (print_rtx): Likewise.
	* cselib.c (rtx_equal_for_cselib_p, cselib_hash_rtx): Likewise.
	* cfgexpand.c (expand_debug_expr): Generate DEBUG_IMPLICIT_PTR
	for ADDR_EXPR with non-addressable object.
	* dwarf2out.c (enum dw_val_class): Add dw_val_class_decl_ref.
	(struct dw_val_struct): Add v.val_decl_ref.
	(dwarf_stack_op_name, output_loc_operands, output_loc_operands_raw):
	Handle DW_OP_GNU_implicit_pointer.
	(size_of_loc_descr): Likewise.  Fix up DW_OP_call_ref size.
	(get_ref_die_offset_label): New function.
	(implicit_ptr_descriptor): New function.
	(mem_loc_descriptor): Handle DEBUG_IMPLICIT_PTR.
	(loc_descriptor): Likewise.
	(gen_variable_die): Put even definitions into decl_die_table.
	(resolve_addr_in_expr): Resolve still unresolved
	DW_OP_GNU_implicit_pointer operands, if it can't be resolved
	return false.
	(dwarf2out_finish): Call output_location_lists after outputting
	.debug_info and .debug_abbrev instead of before.

	* dwarf2.h (DW_OP_GNU_implicit_pointer): New.

2010-09-09  Roland McGrath  <roland@redhat.com>

	* dwarf2out.c (DWARF_REF_SIZE): Define.
	(size_of_loc_descr): Use it for DW_OP_call_ref.

From-SVN: r164050

From-SVN: r164048

From-SVN: r164046

	* doc/invoke.text: Reinstate mcmodel=medium.
	* config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Set
	CMODEL_MEDIUM as default.
	* config/rs6000/rs6000.h (enum rs6000_cmodel): Add CMODEL_MEDIUM.
	* config/rs6000/rs6000.c (rs6000_handle_option): Add mcmodel=medium.
	(toc_relative_ok, offsettable_ok_by_alignment): New functions.
	(rs6000_emit_move): Reinstate mcmodel=medium optimization.

From-SVN: r164045

	* c-c++-common/Wunused-var-12.c: Add -fno-common to options on 32-bit
	hppa*-*-hpux*.

From-SVN: r164044

From-SVN: r164041

	* lto.c (real_file_count, real_file_decl_data): New static vars.
	(read_cgraph_and_symbols): Use it.

From-SVN: r164037

re PR target/45250 (FAIL: tr1/5_numerical_facilities/special_functions/01_assoc_laguerre/check_nan.cc)

	PR target/45250
	* config/pa/pa.md (nonlocal_goto): Restore hard frame pointer using
	hard_frame_pointer_rtx instead of virtual_stack_vars_rtx.
	(builtin_longjmp): Likewise.
	(allocate_stack): Use hard_frame_pointer_rtx instead of
	frame_pointer_rtx.
	* config/pa/pa-protos.h (pa_initial_elimination_offset): Declare.
	* config/pa/pa.c (pa_internal_arg_pointer): Declare.
	(pa_can_eliminate): Likewise.
	(TARGET_INTERNAL_ARG_POINTER): Define.
	(TARGET_CAN_ELIMINATE): Define.
	(hppa_expand_prologue): Use hard frame pointer instead of soft frame
	pointer.
	(hppa_expand_epilogue, pa_eh_return_handler_rtx): Likewise.
	(pa_internal_arg_pointer, pa_can_eliminate,
	pa_initial_elimination_offset): New.
	* config/pa/pa.h (FRAME_POINTER_REGNUM): Set to new general register.
	(HARD_FRAME_POINTER_REGNUM): Set to register three.
	(INITIAL_FRAME_POINTER_OFFSET): Delete.
	(ELIMINABLE_REGS, INITIAL_ELIMINATION_OFFSET, DWARF_FRAME_REGISTERS):
	Define.
	(DWARF_ALT_FRAME_RETURN_COLUMN, REGNO_OK_FOR_INDEX_P,
	REGNO_OK_FOR_BASE_P): Update to include soft frame pointer.
	* config/pa/pa32-regs.h (FIRST_PSEUDO_REGISTER): Increase by one.
	(FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ORDER,
	REG_CLASS_CONTENTS, REGNO_REG_CLASS, REGISTER_NAMES): Update to include
	new soft frame pointer.
	* config/pa/pa64-regs.h: Likewise.

From-SVN: r164036

	numerical constant.
	(EH_RETURN_STACKADJ_RTX): Use CX_REG insted of numerical constant.

From-SVN: r164033

PR debug/45531
* cfglayout.c (fixup_reorder_chain): Skip debug insns.

From-SVN: r164032

PR debug/45419
PR debug/45408
* tree-pretty-print.c (dump_generic_node): Disregard top-level
qualifiers in otherwise equal MEM_REF pointer types.
* fold-const.c (operand_equal_p): Compare pointer type of MEM_REFs.
* tree.c (iterative_hash_expr): Hash the pointer type of MEM_REFs.

From-SVN: r164031

re PR target/44392 (libgcc compile with --enable-target-optspace (-Os) causes recursion in __bswapsi2)

2010-09-08  Ramana Radhakrishnan  <ramana.radhakrishnan@arm.com>

	PR target/44392
	* config/arm/arm.md (bswapsi2): Handle condition correctly
	for armv6 and optimize_size.

From-SVN: r164029

From-SVN: r164026

From-SVN: r164025

	* objc/execute/exceptions/throw-nil.m: New test.
	* objc/execute/exceptions/handler-1.m: Updated to use the new
	objc_set_uncaught_exception_handler() function.
	* objc/execute/exceptions/matcher-1.m: New test.

From-SVN: r164024

	* objc/objc-exception.h: New file.
	* exception.c (objc_set_uncaught_exception_handler): Implemented.
	(objc_set_exception_matcher): Implemented.
	(objc_exception_throw): Use the uncaught exception handler if set.
	(PERSONALITY_FUNCTION): Use the exception matcher instead of the
	hardcoded isKindOf.
	(isKindOf): Renamed to is_kind_of_exception_matcher.  Tidied code
	up.  Removed segmentation fault when value is 'nil'.
	* objc/objc-api.h (_objc_unexpected_exception): Mark as
	deprecated.
	* Makefile.in (exception.lo, exception_gc.lo): Use
	-Wno-deprecated-declarations when compiling.
	(OBJC_H): Added objc-exception.h

From-SVN: r164023

        PR other/18555
        * doc/cppopts.texi (-isysroot): Document Darwin behaviour.

From-SVN: r164022

	PR fortran/38282

	* intrinsic.c (add_functions): Add B{G,L}{E,T}, DSHIFT{L,R},
	MASK{L,R}, MERGE_BITS and SHIFT{A,L,R}.
	* gfortran.h: Define ISYM values for above intrinsics.
	* intrinsic.h (gfc_check_bge_bgt_ble_blt, gfc_check_dshift,
	gfc_check_mask, gfc_check_merge_bits, gfc_check_shift,
	gfc_simplify_bge, gfc_simplify_bgt, gfc_simplify_ble,
	gfc_simplify_blt, gfc_simplify_dshiftl, gfc_simplify_dshiftr,
	gfc_simplify_lshift, gfc_simplify_maskl, gfc_simplify_maskr,
	gfc_simplify_merge_bits, gfc_simplify_rshift,
	gfc_simplify_shifta, gfc_simplify_shiftl, gfc_simplify_shiftr,
	gfc_resolve_dshift, gfc_resolve_mask, gfc_resolve_merge_bits,
	gfc_resolve_shift): New prototypes.
	* iresolve.c (gfc_resolve_dshift, gfc_resolve_mask,
	gfc_resolve_merge_bits, gfc_resolve_shift): New functions.
	* check.c (gfc_check_bge_bgt_ble_blt, gfc_check_dshift,
	gfc_check_mask, gfc_check_merge_bits, gfc_check_shift): New
	functions.
	* trans-intrinsic.c (gfc_conv_intrinsic_dshift,
	gfc_conv_intrinsic_bitcomp, gfc_conv_intrinsic_shift,
	gfc_conv_intrinsic_merge_bits, gfc_conv_intrinsic_mask): New
	functions.
	(gfc_conv_intrinsic_function): Call above static functions.
	* intrinsic.texi: Document new intrinsics.
	* simplify.c (gfc_simplify_bge, gfc_simplify_bgt, gfc_simplify_ble,
        gfc_simplify_blt, gfc_simplify_dshiftl, gfc_simplify_dshiftr,
        gfc_simplify_lshift, gfc_simplify_maskl, gfc_simplify_maskr,
        gfc_simplify_merge_bits, gfc_simplify_rshift, 
        gfc_simplify_shifta, gfc_simplify_shiftl, gfc_simplify_shiftr):
	New functions.

	* gfortran.dg/bit_comparison_1.F90: New test.
	* gfortran.dg/leadz_trailz_3.f90: New test.
	* gfortran.dg/masklr_2.F90: New test.
	* gfortran.dg/shiftalr_1.F90: New test.
	* gfortran.dg/merge_bits_2.F90: New test.
	* gfortran.dg/dshift_2.F90: New test.
	* gfortran.dg/bit_comparison_2.F90: New test.
	* gfortran.dg/masklr_1.F90: New test.
	* gfortran.dg/merge_bits_1.F90: New test.
	* gfortran.dg/dshift_1.F90: New test.
	* gfortran.dg/shiftalr_2.F90: New test.

From-SVN: r164021

        * objc.dg/type-stream-1.m: Replaced with a test that tests that
        functions from objc/typedstream.h are deprecated.

From-SVN: r164016

        * objc/typedstream.h: Deprecate all functions in the file.  This
        file is obsolete.
        * objc/Object.h ([+streamVersion:], [-read:], [-write:],
        [-awake]): Documented that these methods are deprecated.  Added a
        brief description of the Object class and its relationship to the
        NSObject class.
        * Makefile.in: Compile archive.c and Object.m with
        -Wno-deprecated-declarations.

From-SVN: r164015

From-SVN: r164014

	* config/i386/i386-protos.h (ix86_can_use_return_insn_p,
	symbolic_reference_mentioned_p, ix86_expand_movmem, ix86_expand_setmem,
	ix86_expand_strlen, legitimate_pic_address_disp_p,
	ix86_binary_operator_ok, ix86_unary_operator_ok, ix86_match_ccmode,
	ix86_expand_int_movcc, ix86_expand_fp_movcc, ix86_expand_int_addcc,
	ix86_check_movabs, ix86_secondary_memory_needed): Change function
	prototype to bool.
	* config/i386/i386.c (return_in_memory_32, return_in_memory_64,
	return_in_memory_ms_64, ix86_check_movabs,
	symbolic_reference_mentioned_p, ix86_can_use_return_insn_p,
	legitimate_pic_address_disp_p, ix86_binary_operator_ok,
	ix86_unary_operator_ok, ix86_match_ccmode, ix86_expand_int_movcc,
	ix86_expand_fp_movcc, ix86_expand_int_addcc, ix86_expand_movmem,
	ix86_expand_setmem, ix86_expand_strlen, inline_secondary_memory_needed,
	ix86_secondary_memory_needed): Change to bool.  Return
	true and false values.
	* config/i386/i386.md: Return true and false values.

From-SVN: r164013

	gcc:
	* doc/sourcebuild.texi (Effective-Target Keywords): Document
	run_expensive_tests.

	gcc/testsuite:
	* lib/target-supports.exp
	(check_effective_target_run_expensive_tests): New proc.
	* gcc.c-torture/compile/limits-fnargs.c: Use
	dg-require-effective-target run_expensive_tests.

From-SVN: r164012

	* toplev.c (output_stack_usage): Use lbasename instead of
	basename.

From-SVN: r164010

2010-09-08  Martin Jambor  <mjambor@suse.cz>

	PR other/45443
	* doc/invoke.texi: Add -fipa-cp-clone to list of switches turned on
	at -O3.

From-SVN: r164009

	PR fortran/45597
	* trans-openmp.c (gfc_trans_omp_do): Store exit/cycle labels on code
	instead of code->block.

	* gfortran.dg/gomp/pr45597.f90: New test.

From-SVN: r164005

	PR fortran/45595
	* openmp.c (resolve_omp_do): Report not enough do loops for
	collapse even if block->next is NULL.

	* gfortran.dg/gomp/pr45595.f90: New test.

From-SVN: r164004

From-SVN: r164002

2010-09-08  Richard Guenther  <rguenther@suse.de>

	* gimple.c (gimple_types, type_hash_cache): Move to GC memory.
	(visit): Adjust.
	(iterative_hash_gimple_type): Likewise.
	(gimple_type_hash): Likewise.
	(gimple_register_type): Likewise.
	(print_gimple_types_stats): Likewise.
	(free_gimple_type_tables): Likewise.

	lto/
	* lto.c (read_cgraph_and_symbols): Collect again after each
	file.

From-SVN: r164001

From-SVN: r164000

	PR tree-optimization/43430
	* tree-vect-stmts.c (vectorizable_condition): Support multiple
	copies for conditional statements if it's not part of a reduction.

testsuite/
	PR tree-optimization/43430
	* gcc.dg/vect/pr43430-2.c: New test.

From-SVN: r163999

	PR tree-optimization/33244
	* tree-ssa-sink.c (statement_sink_location): Don't sink into
	empty loop latches.

testsuite/
	PR tree-optimization/33244
	* gfortran.dg/vect/fast-math-vect-8.f90: New test.

From-SVN: r163998

re PR tree-optimization/45578 (The polyhedron test mdbx is miscompiled with -O2 -ftree-vectorize at revision 163915)

2010-09-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/45578
	* tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr):
	Be more careful when transfering alignment information to
	the new induction variable.
	(copy_ref_info): Likewise.

	* gfortran.dg/pr45578.f90: New testcase.

From-SVN: r163997

	* thr.c: Use __gthread_objc_xxx functions directly instead of
	__objc_thread_xxx ones.
	* objc/thr.h: Removed prototypes of no longer existing
	__objc_thread_xxx functions.
	* Makefile.in: Removed thr-objc.lo.
	* thr-dce.c: File removed.
	* thr-decosf1.c: File removed.
	* thr-irix.c: File removed.
	* thr-mach.c: File removed.
	* thr-objc.c: File removed.
	* thr-os2.c: File removed.
	* thr-posix.c: File removed.
	* thr-pthreads.c: File removed.
	* thr-rtems.c: File removed.
	* thr-single.c: File removed.
	* thr-solaris.c: File removed.
	* thr-vxworks.c: File removed.
	* thr-win32.c: File removed.
	* README.threads: File removed.
	* THREADS.MACH: File removed.
	* THREADS: Updated.

From-SVN: r163996

2010-09-08  Richard Guenther  <rguenther@suse.de>

	PR testsuite/45590
	* gcc.dg/graphite/pr44391.c: Remove -m32 option.

From-SVN: r163995

2010-09-08  Richard Guenther  <rguenther@suse.de>

	* tree.h (TYPE_ORIG_SIZE_TYPE): Remove.
	* c-typeck.c (comptypes_internal): Remove TYPE_ORIG_SIZE_TYPE
	checks.

From-SVN: r163994

2010-09-08  Tristan Gingold  <gingold@adacore.com>

	PR 44001
	* Makefile.in (objext): New variable.
	(bid_OBJS): Use $(objext) for extension.
	(libdecnumber_a_OBJS): Ditto.
	(mostlyclean): Ditto
	(.c.o): Ditto.
	Update dependencies.

From-SVN: r163993

2010-09-08  Tristan Gingold  <gingold@adacore.com>

	PR 44001
	* maint-tool (missing): Fix pattern for object file.
	(deps): Use $(objext) for object extension.
	* Makefile.in (objext): New variable.
	Replace all occurences of .o with .$(objext)
	Regenerate with maint-deps
	* configure.ac (pexecute): Set to the basename.
	* configure: Regenerate.

From-SVN: r163989

	* c-tree.h, c-decl.c (build_enumerator): Add location parameter.
	* c-parser.c (c_parser_enum_specifier): Adjust call to build_enumerator.

From-SVN: r163988