2008-08-13  Paolo Carlini  <paolo.carlini@oracle.com>

	Re-instate last patch, amended to use __exchange_and_add_dispatch
	and __atomic_add_dispatch in eh_ptr.cc and eh_throw.cc.

From-SVN: r139091

From-SVN: r139089

	* gcc.dg/arm-g2.c, gcc.dg/arm-mmx-1.c, gcc.dg/arm-scd42-2.c:
	Skip if the multilib testing specifies -march that does not
	agree with the one specified in the testcase.

From-SVN: r139086

sparc.c (emit_soft_tfmode_cvt): Explicitly sign or zero extend SImode values being converted to TFmode before...

	* config/sparc/sparc.c (emit_soft_tfmode_cvt): Explicitly sign or
	zero extend SImode values being converted to TFmode before passing
	to libcalls.

From-SVN: r139084

	* config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Predefine
	__PPU__ when targeting the Cell/B.E. PPU processor.

From-SVN: r139082

	Revert the last patch.

From-SVN: r139075

	Revert the last patch.

From-SVN: r139074

	* gimple.h (gimple_call_set_chain): Accept SSA variables.
	* tree-ssa-pre.c (create_component_ref_by_pieces_1) <CALL_EXPR>:
	Rematerialize the static chain, if any.
	* tree-ssa-sccvn.c (copy_reference_ops_from_call): Also copy the
	static chain.

From-SVN: r139072

2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>

	* dwarf2out.c (dwarf_stack_op_name): Remove prototype.
	(new_loc_descr): Likewise.
	(add_loc_descr): Likewise.
	(size_of_loc_descr): Likewise.
	(size_of_locs): Likewise.
	(output_loc_operands): Likewise.
	(output_loc_sequence): Likewise.
	(new_reg_loc_descr): New.
	(build_cfa_loc): Use it.
	(build_cfa_aligned_loc): Likewise.
	(one_reg_loc_descriptor): Likewise.
	(based_loc_descr): Likewise.

From-SVN: r139065

2008-08-13  Sebastian Redl <sebastian.redl@getdesigned.at>

	Add exception propagation support as per N2179.
        * libsupc++/exception_ptr.h (exception_ptr, current_exception,
        copy_exception, rethrow_exception): New file, implement exception
	propagation.
        * libsupc++/eh_ptr.cc (exception_ptr, current_exception,
        rethrow_exception, __gxx_dependent_exception_cleanup): Likewise.
        * libsupc++/unwind-cxx.h (__cxa_exception): Add reference count.
	(__cxa_dependent_exception, __cxa_allocate_dependent_exception,
        __cxa_free_dependent_exception, __get_dependent_exception_from_ue,
        __GXX_INIT_DEPENDENT_EXCEPTION_CLASS, __is_dependent_exception,
        __gxx_dependent_exception_class, __get_object_from_ue,
        __get_object_from_ambiguous_exception): Add.
        (__GXX_INIT_EXCEPTION_CLASS, __gxx_exception_class): Rename.
        (__is_gxx_exception_class): Handle dependent exceptions.
        * libsupc++/eh_arm.cc (__cxa_type_match): Likewise.
        * libsupc++/eh_call.cc (__cxa_call_unexpected): Likewise.
        * libsupc++/eh_personality.cc (__gxx_personality_*): Likewise.
        * libsupc++/eh_type.cc (__cxa_current_exception_type): Likewise.
        * libsupc++/eh_alloc.cc (__cxa_allocate_dependent_exception,
        __cxa_free_dependent_exception): Add.
        * libsupc++/eh_throw.cc (__gxx_exception_cleanup): Handle reference
        counting.
        * libsupc++/exception: Conditionally include exception_ptr.h.
        * libsupc++/Makefile.am: Register new files.
        * libsupc++/Makefile.in: Regenerate.
        * config/abi/pre/gnu.ver: Add new symbols.
        * testsuite/18_support/exception_ptr/current_exception.cc: Test the
        core functionality of current_exception().
        * testsuite/18_support/exception_ptr/rethrow_exception.cc: Test the
        core functionality of rethrow_exception().
        * testsuite/18_support/exception_ptr/lifespan.cc: Test the life span of
        exception objects during exception propagation.

From-SVN: r139064

re PR c/30551 (-pedantic does not include -Wmain, but -pedantic-errors does make -Wmain cause error messages)

2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 30551
	* doc/invoke.texi (Wmain): Update.
	* c-decl.c (start_decl): warn_main is only 0 or 1.
	(start_function): Likewise. Fix formatting.
	(finish_function): Delete redundant warning.
	* c.opt (Wmain): Add Var(warn_main) and Init(-1).
	* c-opts (c_common_handle_option): -Wall only has effect if
	warn_main is uninitialized. OPT_Wmain is automatically
	handled. -pedantic also enables Wmain.
	(c_common_post_options): Handle all logic for Wmain here.
	* c-common.c (warn_main): Delete.
	(check_main_parameter_types): Make pedwarns conditional on
	OPT_Wmain.
	* c-common.h (warn_main): Delete.
cp/	
	* decl.c (grokfndecl): Call check_main_parameters_type only if
	-Wmain.
testsuite/
	* gcc.dg/pr30551.c: New.
	* gcc.dg/pr30551-2.c: New.
	* gcc.dg/pr30551-3.c: New.
	* gcc.dg/pr30551-4.c: New.
	* gcc.dg/pr30551-5.c: New.
	* gcc.dg/pr30551-6.c: New.
	* gcc.dg/tree-ssa/reassoc-3.c: Don't compile with -pedantic-errors.
	* g++.dg/warn/pr30551.C: New.
	* g++.dg/warn/pr30551-2.C: New.

From-SVN: r139063

2008-08-13  H.J. Lu  <hongjiu.lu@intel.com>

	PR middle-end/36701
	* expr.c (emit_group_store): Allocate stack temp with the
	largest alignment when copying from register to stack.

From-SVN: r139062

2008-08-13  Richard Guenther  <rguenther@suse.de>

	* tree.h (maybe_fold_offset_to_address): Declare.
	* tree-ssa-ccp.c (surely_varying_stmt_p): Fix typo in last commit.
	(ccp_fold): Handle pointer conversions the same as fold_stmt.
	Likewise for POINTER_PLUS_EXPR.
	(maybe_fold_offset_to_reference): Enable disabled code.
	(maybe_fold_offset_to_address): New function.
	(fold_stmt_r): Use it.
	(fold_gimple_assign): Likewise.
	* gimplify.c (gimplify_conversion): Use maybe_fold_offset_to_address.
	(gimplify_expr): Likewise.

	* gcc.dg/tree-ssa/ssa-ccp-21.c: New testcase.
	* gcc.dg/tree-ssa/ssa-ccp-22.c: Likewise.
	* gcc.dg/tree-ssa/ssa-ccp-23.c: Likewise.

From-SVN: r139061

2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* toplev.h (pedwarn_at): Fix declaration.

From-SVN: r139054

	* config/sparc/linux64.h (LINK_ARCH32_SPEC, LINK_ARCH64_SPEC,
	LINK_SPEC): Use %R in -Y P argument.

From-SVN: r139053

From-SVN: r139052

    gcc/ada/
	PR ada/36777
	* sem_util.ads, sem_util.adb (Is_Protected_Self_Reference): New.
	* sem_attr.adb (Check_Type): The current instance of a protected
	object is not a type name.
	(Analyze_Access_Attribute): Accept instances of protected objects.
	(Analyze_Attribute, Attribute_Address clause): Ditto.
	* exp_attr.adb (Expand_N_Attribute_Reference): Rewrite
	the prefix as being the current instance if needed.

    gcc/testsuite/
	PR ada/36777
	* gnat.dg/protected_self_ref1.adb, gnat.dg/protected_self_ref2.adb:
	New.

From-SVN: r139051

2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c/15236
	* diagnostic.c (pedwarn_at): New.
	* toplev.h (pedwarn_at): Declare.
	* c-tree.h (build_enumerator): Update declaration.
	* c-decl.c (finish_enum): Update comment.
	(build_enumerator): Take a location parameter. Give a pedwarn but do
	not perform any conversion.
	* c-parser.c (c_parser_enum_specifier): Set correct location for
	enumerator.
testsuite/
	* gcc.dg/pr15236.c: New.
	* gcc.dg/torture/pr25183.c: Update.

From-SVN: r139050

2008-08-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR 35635
	* c-common.c (conversion_warning): Use a switch. Ignore boolean
	expressions except for conversions to signed:1 bitfields. Handle
	COND_EXPR with constant operands.
testsuite/
	* gcc.dg/pr35635.c: New.
	* gcc.dg/Wconversion-integer.c: Update.
	* gcc.dg/Wconversion-integer-no-sign.c: Update.
	* gcc.dg/Wsign-conversion.c: Update.
	* g++.dg/warn/pr35635.C: New.
	* g++.dg/warn/Wconversion-integer.C: Update.
	* g++.dg/warn/Wsign-conversion.C: Update.

From-SVN: r139049

2008-08-13  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/15255
	* tree-ssa-reassoc.c (linearize_expr_tree): Declare.
	(struct oecount_s): New struct and VEC types.
	(cvec): New global.
	(oecount_hash): New function.
	(oecount_eq): Likewise.
	(oecount_cmp): Likewise.
	(zero_one_operation): New function.
	(build_and_add_sum): Likewise.
	(undistribute_ops_list): Perform un-distribution of multiplication
	and division on the chain of summands.
	(should_break_up_subtract): Also break up subtracts for factors.
	(reassociate_bb): Delete dead visited statements.
	Call undistribute_ops_list.  Re-sort and optimize if it did something.
	* passes.c (init_optimization_passes): Move DSE before
	reassociation.
	* tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Correctly handle
	PHI nodes.

	* gcc.dg/tree-ssa/reassoc-14.c: New testcase.
	* gcc.dg/tree-ssa/reassoc-15.c: Likewise.
	* gcc.dg/tree-ssa/reassoc-16.c: Likewise.
	* gcc.dg/torture/reassoc-1.c: Likewise.
	* gcc.dg/tree-ssa/recip-2.c: Adjust.
	* gcc.dg/tree-ssa/recip-6.c: Likewise.
	* gcc.dg/tree-ssa/recip-7.c: Likewise.
	* gfortran.dg/reassoc_4.f: Likewise.

From-SVN: r139048

From-SVN: r139045

From-SVN: r139042

re PR libstdc++/37100 (/usr/lib/gcc/x86_64-pc-linux-gnu/4.1.2/include/g++-v4/bits/stl_pair.h:99: error 404)

2008-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/37100
	* include/bits/stl_pair.h: Fix documentation URL in comment.

From-SVN: r139040

	* gcc.target/i386/pr32000-2.c: Use dg-skip-if for target expression.
	* gcc.target/i386/stackalign/return-3.c: Ditto.
	* gcc.target/sparc/ultrasp3.c: Ditto.
	* lib/target-supports-dg.exp (dg-require-effective-target): Error
	if argument is not a single effective-target keyword.

From-SVN: r139039

From-SVN: r139038

	PR testsuite/36087
	* gcc.dg/var-expand3.c: Fix name of dump file.

From-SVN: r139037

2008-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

	* g++.old-deja/g++.other/decl5.C: Expand new expected errors.

From-SVN: r139036

2008-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

	* g++.old-deja/g++.other/decl5.C: Expand new expected errors.

From-SVN: r139035

/cp
2008-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/37087
	* parser.c (cp_parser_class_head): Early return error_mark_node in
	case of global qualification of class name or qualified name that
	does not name a class.

/testsuite
2008-08-12  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/37087
	* g++.dg/template/crash80.C: New.
	* g++.old-deja/g++.other/decl5.C: Adjust.

From-SVN: r139034

	PR libgomp/26165

	* gcc.c (include_spec_function): Tweak call to find_a_file.

From-SVN: r139031

	PR middle-end/37014
	* expr.c (expand_expr_real_1): Handle TRUTH_ANDIF_EXPR
	and TRUTH_ORIF_EXPR.
	* dojump.c (do_jump): Likewise.

	* gcc.c-torture/compile/20080812-1.c: New test.

From-SVN: r139029

	PR tree-optimization/37084
	* tree-inline.c (copy_bb): Call gimple_regimplify_operands
	if id->regimplify, don't assume stmt is a cast assignment.

	* g++.dg/tree-ssa/pr37084.C: New test.

From-SVN: r139028

        * include/paralle/losertree.h
        (LoserTreePointerBase<>::~LoserTreePointerBase):
        Replace delete by appropriate delete[].

From-SVN: r139026

From-SVN: r139025

From-SVN: r139024

	PR bootstrap/37097
	* builtins.c (do_mpfr_bessel_n): Fix copy-and-paste bug introduced
	by last change.
-This line, and those below, will be ignored--

M    gcc/builtins.c
M    gcc/ChangeLog

From-SVN: r139019

ChangeLog:

	* defaults.h (TARGET_FLOAT_FORMAT): Remove.
	(UNKNOWN_FLOAT_FORMAT, IEEE_FLOAT_FORMAT, VAX_FLOAT_FORMAT): Remove.

	* config/alpha/alpha.h (TARGET_FLOAT_FORMAT): Remove.
	* config/iq2000/iq2000.h (TARGET_FLOAT_FORMAT): Remove.
	* config/pdp11/pdp11.h (TARGET_FLOAT_FORMAT): Remove.
	* config/score/score.h (TARGET_FLOAT_FORMAT): Remove.
	* config/vax/vax.h (TARGET_FLOAT_FORMAT): Remove.

	* doc/tm.texi (Storage Layout): Remove documentation for
	TARGET_FLOAT_FORMAT.

	* simplify-rtx.c (simplify_binary_operation_1): Replace
	TARGET_FLOAT_FORMAT check by appropriate HONOR_... checks.

java/ChangeLog:

	* typeck.c (convert): Do not check for TARGET_FLOAT_FORMAT.

From-SVN: r139017

	* real.h (struct real_format): New member has_sign_dependent_rounding.
	* real.c (ieee_single_format, mips_single_format, motorola_single_format,
	spu_single_format, ieee_double_format, mips_double_format,
	motorola_double_format, ieee_extended_motorola_format,
	ieee_extended_intel_96_format, ieee_extended_intel_128_format,
	ieee_extended_intel_96_round_53_format, ibm_extended_format,
	mips_extended_format, ieee_quad_format, mips_quad_format,
	vax_f_format, vax_d_format, vax_g_format): Initialize it.
	* config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.

	* defaults.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
	MODE_HAS_SIGNED_ZEROS, MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
	* config/spu/spu.h (MODE_HAS_NANS, MODE_HAS_INFINITIES,
	MODE_HAS_SIGN_DEPENDENT_ROUNDING): Remove.
	(ROUND_TOWARDS_ZERO): Likewise.

	* real.h (REAL_MODE_FORMAT): Protect MODE against macro expansion.
	(FLOAT_MODE_FORMAT): New macro.
	(REAL_MODE_FORMAT_COMPOSITE_P): Remove, replace by ...
	(MODE_COMPOSITE_P): ... this new macro.
	(MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
	MODE_HAS_SIGN_DEPENDENT_ROUNDING): New macros.
	* machmode.h (GET_MODE_INNER): Cast result to enum machine_mode.

	* flags.h: Include "real.h".

	* fold-const.c (const_binop): Use MODE_COMPOSITE_P instead of
	REAL_MODE_FORMAT_COMPOSITE_P.
	* simplify-rtx.c (simplify_const_binary_operation): Likewise.

	* doc/tm.texi (Storage Layout): Remove documentation of
	MODE_HAS_NANS, MODE_HAS_INFINITIES, MODE_HAS_SIGNED_ZEROS,
	MODE_HAS_SIGN_DEPENDENT_ROUNDING.  Update documentation of
	ROUND_TOWARDS_ZERO and LARGEST_EXPONENT_IS_NORMAL to clarify
	they only apply to libgcc2.a.

From-SVN: r139016

	* config/spu/float_disf.c: New file.
	* config/spu/float_unsdisf.c: New file.
	* config/spu/t-elf (LIB2FUNCS_STATIC_EXTRA): Add them.
	(LIB2FUNCS_EXCLUDE): Define.

From-SVN: r139015

ChangeLog:

	* real.h (struct real_format): New member round_towards_zero.
	* real.c (round_for_format): Respect fmt->round_towards_zero.
	(ieee_single_format, mips_single_format, motorola_single_format,
	spu_single_format, ieee_double_format, mips_double_format,
	motorola_double_format, ieee_extended_motorola_format,
	ieee_extended_intel_96_format, ieee_extended_intel_128_format,
	ieee_extended_intel_96_round_53_format, ibm_extended_format,
	mips_extended_format, ieee_quad_format, mips_quad_format,
	vax_f_format, vax_d_format, vax_g_format): Initialize it.
	* config/pdp11/pdp11.c (pdp11_f_format, pdp11_d_format): Likewise.

	* builtins.s (do_mpfr_arg1): Consider round_towards_zero member of
	real_format to choose rounding mode when calling MPFR functions.
	(do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Likewise.
	(do_mpfr_bessel_n, do_mpfr_remquo, do_mpfr_lgamma_r): Likewise.

	* real.h (real_to_decimal_for_mode): Add prototype.
	* real.c (real_to_decimal_for_mode): Renames old real_to_decimal.
	Respect target rounding mode when generating decimal representation.
	(real_to_decimal): New stub for backwards compatibility.
	* c-cppbuiltin.c (builtin_define_with_hex_fp_value): Use
	real_to_decimal_for_mode instead of real_to_decimal.

	* config/spu/spu.md ("floatdisf2", "floatunsdisf2"): New.


testsuite/ChangeLog:

	* gcc.c-torture/execute/20031003-1.c (main): Update test to
	accommodate SPU single-precision rounding mode.
	* gcc.c-torture/execute/conversion.c (test_float_to_integer,
	test_float_to_longlong_integer): Likewise.
	* gcc.c-torture/execute/ieee/rbug.c (main): Likewise.
	* gcc.dg/hex-round-1.c: Skip test on SPU.
	* gcc.dg/hex-round-2.c: Likewise.

Co-Authored-By: Trevor Smigiel <Trevor_Smigiel@playstation.sony.com>

From-SVN: r139014