2008-08-14  Dorit Nuzman  <dorit@il.ibm.com>

        * tree-vect-transform.c (vect_create_epilog_for_reduction): Takes an
        additional argument. Support reduction when duplication is needed due
        to data-types of different sizes in the loop.
        (get_initial_def_for_induction): Fix printout.
        (vect_get_vec_def_for_stmt_copy): Support case where the
        vec_stmt_for_operand is a phi node.
        (vectorizable_reduction): Support reduction when duplication is needed
        due to data-types of different sizes in the loop.
        (vectorizable_call): Remove restriction to not vectorize in case we
        have data-types of different sizes in the loop.
        (vectorizable_conversion): Likewise.
        (vectorizable_operation): Likewise.
        (vectorizable_type_demotion): Likewise.
        (vectorizable_type_promotion): Likewise.
        (vectorizable_induction): Add restriction to not vectorize in case
        we have data-types of different sizes in the loop.

From-SVN: r139096

	PR target/37101
	* config/i386/sse.md (vec_concatv2di): Remove movlps alternative.
	(*vec_concatv2di_rex64_sse4_1): Ditto.
	(*vec_concatv2di_rex64_sse): Ditto.

testsuite/ChangeLog:

	PR target/37101
	* gcc.target/i386/pr37101.c: New test.

From-SVN: r139095

	PR middle-end/37103
	* fold-const.c (fold_widened_comparison): Do not allow
	sign changes that change the result even if shorter type
	is wider than arg1_unw's type.

	* gcc.c-torture/execute/20080813-1.c: New test.

From-SVN: r139093

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

	* gcc.target/i386/incoming-1.c: Skip *-*-darwin*.
	* gcc.target/i386/incoming-2.c: Likewise.
	* gcc.target/i386/incoming-3.c: Likewise.
	* gcc.target/i386/incoming-4.c: Likewise.
	* gcc.target/i386/incoming-5.c: Likewise.

From-SVN: r139092

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