2009-11-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/41919
	* tree-vrp.c (test_for_singularity): Properly compare values.

	* gcc.c-torture/execute/pr41919.c: New testcase.

From-SVN: r153891

2009-11-04  Maxim Kuvyrkov  <maxim@codesourcery.com>

	PR target/41302
	* config/m68k/m68k.c (m68k_reg_present_p): New static function.
	(m68k_ok_for_sibcall_p): Handle different result return locations.

2009-11-04  Carlos O'Donell  <carlos@codesourcery.com>

	PR target/41302
	* gcc.target/m68k/pr41302.c: New test.

From-SVN: r153890

2009-11-04  Richard Guenther  <rguenther@suse.de>

	* c-opts.c (c_common_post_options): Move LTO option processing
	code ...
	* opts.c (decode_options): ... here.

	fortran/
	* options.c (gfc_post_options): Rely on common code processing
	LTO options.  Only enable -fwhole-file here.

From-SVN: r153889

	* c-common.c (fold_offsetof_1): Use %wd instead of
	HOST_WIDE_INT_PRINT_DEC.

From-SVN: r153887

From-SVN: r153886

	* config/vax/linux.h (TARGET_OS_CPP_BUILTINS): Don't define
	__pic__ or __PIC__.

From-SVN: r153883

	* config.gcc (vax-*-linux*): Keep the original contents of
	tmake_file while adding vax/t-linux.

From-SVN: r153882

	PR c++/36959
	* decl2.c (cxx_callgraph_analyze_expr): Don't reference a function
	just because a static variable in it is needed unless -frepo.

From-SVN: r153878

	PR target/10127
	PR ada/20548
	* expr.h (STACK_CHECK_PROBE_INTERVAL): Delete.
	(STACK_CHECK_PROBE_INTERVAL_EXP): New macro.
	(STACK_CHECK_MOVING_SP): Likewise.
	* system.h (STACK_CHECK_PROBE_INTERVAL): Poison it.
	* doc/tm.texi (Stack Checking): Delete STACK_CHECK_PROBE_INTERVAL.
	Document STACK_CHECK_PROBE_INTERVAL_EXP and STACK_CHECK_MOVING_SP.
	* doc/md.texi (Standard Pattern Names): Tweak entry of CHECK_STACK.
	Document PROBE_STACK.
	* explow.c (anti_adjust_stack_and_probe): New function.
	(allocate_dynamic_stack_space): Do not directly allocate space if
	STACK_CHECK_MOVING_SP, instead invoke above function.
	(emit_stack_probe): Handle probe_stack insn.
	(PROBE_INTERVAL): New macro.
	(STACK_GROW_OPTAB): Likewise.
	(STACK_GROW_OFF): Likewise.
	(probe_stack_range): Use Pmode and memory_address consistently.  Fix
	loop condition in the small constant case.  Rewrite in the general
	case to be immune to wraparounds.  Make sure the address of probes
	is valid.  Try to use [base + disp] addressing mode if possible.
	* ira.c (setup_eliminable_regset): Set frame_pointer_needed if stack
	checking is enabled and STACK_CHECK_MOVING_SP.
	* rtlanal.c (may_trap_p_1) <MEM>: If stack checking is enabled,
	return 1 for volatile references to the stack pointer.
	* tree.c (build_common_builtin_nodes): Do not set ECF_NOTHROW on
	__builtin_alloca if stack checking is enabled.
	* unwind-dw2.c (uw_identify_context): Take into account whether the
	context is that of a signal frame or not.
	* config/i386/linux.h (STACK_CHECK_MOVING_SP): Define to 1.
	* config/i386/linux64.h (STACK_CHECK_MOVING_SP): Likewise.

From-SVN: r153877

	PR rtl-optimization/41917
	* rtlanal.c (num_sign_bit_copies1) <case UMOD>: If sign bit of second
	operand isn't known to be 0, return 1.

	* gcc.c-torture/execute/pr41917.c: New test.

From-SVN: r153874

	* gcc.target/i386/pr41900.c: Make test compile only.  Scan assembler
	dump to not include "call *%esp".

From-SVN: r153871

gcc/
	* config/mips/mips.md: Fix typos.

From-SVN: r153870

gcc/
	* doc/invoke.texi: Fix typo.

From-SVN: r153869

	PR c++/39786
	* g++.dg/lookup/using22.C: New.

From-SVN: r153865

	PR c++/41876
	* parser.c (cp_parser_type_specifier_seq): Rename is_condition to
	is_declaration.
	(cp_parser_exception_declaration): Pass true.
	(cp_parser_omp_for_loop): Likewise.

From-SVN: r153864

	PR c++/41927
	* typeck.c (build_x_binary_op): Don't do warn_parentheses
	if we're in a SFINAE context.

From-SVN: r153863

	PR c++/41815
	* call.c (build_call_a): Strip cv-quals from rvalue result.

From-SVN: r153862

2009-11-03  David Krauss  <potswa@mac.com>
	    Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/41351
	* include/bits/stl_algo.h (__rotate(_RandomAccessIterator,
	_RandomAccessIterator, _RandomAccessIterator,
	random_access_iterator_tag)): Rewrite to use only std::swap in
	general and std::copy/std::copy_backward when safe.

Co-Authored-By: Paolo Carlini <paolo.carlini@oracle.com>

From-SVN: r153860

2009-11-03  Paul Brook  <paul@codesourcery.com>

	gcc/
	* config/arm/neon.ml (vectype): Add T_floatSF.
	(string_of_vectype): Ditto.
	* config/arm/neon-gen.ml (signed_ctype): Add T_floatSF.
	(deftypes): Use float for float32_t.
	* config/arm/arm_neon.h: Regenerate.

From-SVN: r153858

	PR c++/40944
	* call.c (initialize_reference): Add complain parm.
	* typeck.c (convert_for_initialization): Pass it.
	* decl.c (grok_reference_init): Likewise.
	* cp-tree.h: Declare it.

From-SVN: r153856

	PR c++/40687
	* pt.c (do_auto_deduction): Diagnose inconsistent deduction.

From-SVN: r153855

2009-11-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/41907
        * trans-expr.c (gfc_conv_procedure_call): Fix presence check
        for optional arguments.

2009-11-03  Tobias Burnus  <burnus@net-b.de>

        PR fortran/41907
        * gfortran.dg/missing_optional_dummy_6.f90: New test.

From-SVN: r153854

        * config/rx/predicates.md (rx_store_multiple_vector): Reverse
        order of expected registers.
        (rx_load_multiple_vector): Likewise.
        (rx_rtsd_vector): Likewise.
        * config/rx/rx.c (rx_cpu_type): New variable.
        (rx_print_operand): Fix bug printing 64-bit constant values.
        (rx_emit_stack_pushm): Reverse order of pushed registers.
        (gen_rx_store_vector): Likewise.
        (is_fast_interrupt_func): Only accept "fast_interrupt" as the
        attribute name.
        (is_exception_func): Rename to is_interrupt_func and only accept
        "interrupt" as the attribute name.
        (rx_get_stack_layout): Use new function name.
        (rx_func_attr_inlinable): Likewise.
        (rx_attribute_table): Remove "exception".
        (rx_expand_prologue): If necessary push the accumulator register
        in the prologue of interrupt functions.
        (rx_expand_epilogue): If necessary pop the accumulator.
        (rx_builtins): Add RX_BUILTIN_MVTIPL.
        (rx_expand_builtin_stz): Remove.
        (rx_expand_builtin_mvtipl): New function.
        (rx_init_builtins): Handle RX_BUILTIN_MVTIPL.
        (rx_expand_builtin): Likewise.
        (rx_enable_fpu): New variable.
        (rx_handle_option): Handle -fpu, -nofpu, -mcpu and -patch.
        * config/rx/rx.h (TARGET_CPU_CPP_BUILTINS): Assert machine based
        on rx_cpu_type.  Define __RX_FPU_INSNS__ if FPU insns are allowed.
        (enum rx_cpu_types): Define.
        (ASM_SPEC): Pass -m32bit-doubles on to assembler.
        (INCOMING_FRAME_SP_OFFSET): Define.
        (ARG_POINTER_CFA_OFFSET): Define.
        (FRAME_POINTER_CFA_OFFSET): Define.
        (OVERRIDE_OPTIONS): Enable fast math if RX FPU insns are enabled.
        (ALLOW_RX_FPU_INSNS): Define.
        * config/rx/rx.md: Test ALLOW_RX_FPU_INSNS instead of
        fast_math_flags_set_p.
        (UNSPEC_BUILTIN_MVTIPL): Define.
        (revl): Rename to bswapsi2.
        (bswaphi2): New pattern.
        (mvtachi): Mark as volatile because it uses a register unknown to
        GCC.
        (mvtaclo): Likewise.
        (racw): Likewise.
        (mvtc): Remove clobber of cc0.
        (mvtcp): Delete.
        (opecp): Delete.
        * config/rx/rx.opt (mieee): Remove.
        (fpu): Add.
        (nofpu): Add.
        (mcpu=): Add.
        (patch=): Add.
        (msave-acc-in-interrupts): Add.
        * config/rx/t-rx (MULTILIB_OPTIONS): Change default to 64bit
        doubles.
        (MULTILIB_DIRS): Likewise.
        (MULTILIB_MATCHES): Treat -fpu as an alias for -m32bit-doubles.
        * doc/extend.texi: Remove description of "exception" function
        attribute.
        * doc/invoke.texi: Document -fpu, -nofpu, -mcpu=, -patch= and
        -msave-acc-in-interrupts options.

        * gcc.target/rx/builtins,c: Remove redundant tests.
        Add test of MVTIPL instruction.
        * gcc.target/rx/interrupts.c: Use fast_interrupt and interrupt
        function attributes.  Add -msave-acc-in-interrupts option to the
        command line.

Co-Authored-By: Kevin Buettner <kevinb@redhat.com>

From-SVN: r153853

	* g++.dg/torture/pr36191.C: Don't run with -fomit-frame-pointer on
	sh, m68k and fido.

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

From-SVN: r153852

	PR c++/38699
	* c-c++-common/dfp/builtin-offsetof.c: Moved to ...
	* c-c++-common/builtin-offsetof.c: ... here.

From-SVN: r153848

2009-11-03  Richard Guenther  <rguenther@suse.de>

	* c-common.c (fold_offsetof_1): Use HOST_WIDE_INT_PRINT_DEC.

From-SVN: r153846

From-SVN: r153845

Fix PR c++/38699

gcc/ChangeLog:

	PR c++/38699
	* c-common.c (fold_offsetof_1): Issue errors when the
	member designator of the offsetoff expression is not legitimate.

gcc/testsuite/ChangeLog:

	* c-c++-common/dfp/builtin-offsetof.c: New test.
	* g++.dg/other/offsetof6.C: Likewise.

From-SVN: r153843

	* config/i386/i386.md (*call_value_1_rex64_ms_sysv): Use register
	names instead of numerical constants.
	(sse_prologue_save): Ditto.
	(*sse_prologue_save_insn): Ditto.

From-SVN: r153840

	PR target/41900
	* config/i386/i386.h (ix86_arch_indices) <X86_ARCH_CALL_ESP>: New.
	(TARGET_CALL_ESP): New define.
	* config/i386/i386.c (initial_ix86_tune_features): Initialize
	X86_ARCH_CALL_ESP.
	* config/i386/i386.md 
	(*call_pop_1_esp, *call_1_esp, *call_value_pop_1_esp,
	*call_value_1_esp): Rename from *call_pop_1, *call_1,
	*call_value_pop_1 and *call_value_1.  Depend on TARGET_CALL_ESP.
	(*call_pop_1, *call_1, *call_value_pop_1, *call_value_1):
	New patterns, use "lsm" as operand 1 constraint.
	* config/i386/predicates.md (call_insn_operand): Depend on 
	index_register_operand for !TARGET_CALL_ESP to avoid %esp register.

testsuite/ChangeLog:

	PR target/41900
	* gcc.target/i386/pr41900.c: New test.

From-SVN: r153838

From-SVN: r153835

2009-11-02  Benjamin Kosnik  <bkoz@redhat.com>

	* include/std/future: Use base class with nested types.
	(__future_base): New.
	(__future_base::_Result_base): From _Future_result_base.
	(__future_base::_Result): From _Future_result.
	(__future_base::_Move_result): From _Move_future_result.
	(__future_base::_Ptr): From _Future_ptr.
	(__future_base::_State): From _Future_state.
	(__basic_future): From _Future_impl.
	* testsuite/30_threads/packaged_task/cons/assign_neg.cc: Adjust line
	numbers.
	* testsuite/30_threads/packaged_task/cons/copy_neg.cc: Same.
	* testsuite/30_threads/shared_future/cons/assign_neg.cc: Same.
	* testsuite/30_threads/unique_future/cons/assign_neg.cc: Same.
	* testsuite/30_threads/unique_future/cons/copy_neg.cc: Same.
	* testsuite/30_threads/promise/cons/assign_neg.cc: Same.
	* testsuite/30_threads/promise/cons/copy_neg.cc: Same.

From-SVN: r153834

2009-11-02  Benjamin Kosnik  <bkoz@redhat.com>

	* MAINTAINERS: Add Jonathan Wakely under Various Maintainers, move
	Phil Edwards to Write-After Approval.

From-SVN: r153833

From-SVN: r153832

Fix PR c++/41856

	PR c++/41856
	* g++.dg/lookup/extern-c-redecl3.C: Make the test x86
	only.
	* g++.dg/lookup/extern-c-redecl4.C: Likewise.

From-SVN: r153829

From-SVN: r153827

From-SVN: r153825

2009-11-02  Andreas Tobler  <a.tobler@schweiz.org>

	PR libffi/41908
	* testsuite/libffi.call/testclosure.c: New test.

From-SVN: r153824

Fix PR c++/37093

gcc/cp/ChangeLog:

	PR c++/37093
	* pt.c (check_valid_ptrmem_cst_expr): New function.
	(convert_nontype_argument): Use it to output an error for
	illegal pointer to member expressions used as template arguments.

gcc/testsuite/ChangeLog:

	PR c++/37093
	* g++.dg/other/ptrmem10.C: New test.
	* g++.dg/other/ptrmem11.C: Likewise.

From-SVN: r153822

	PR testsuite/41878
	* gfortran.dg/vect/vect-2.f90: Fix effective-target expression, add
	spaces in some expressions.

From-SVN: r153821