PR ada/20548
	* common.opt (-fstack-check): Do not declare the variable here.
	(-fstack-check=): New option variant.
	* doc/invoke.texi (Code Gen Options): Document it.
	* expr.h (STACK_OLD_CHECK_PROTECT): New macro.
	(STACK_CHECK_PROTECT): Bump to 3 pages if DWARF-2 EH is used.
	(STACK_CHECK_STATIC_BUILTIN): New macro.
	* doc/tm.texi (Stack Checking): Document STACK_CHECK_STATIC_BUILTIN.
	* opts.c: Include expr.h.
	(common_handle_option) <OPT_fold_stack_check_>: New case.
	<OPT_fstack_check>: Likewise.
	* calls.c (initialize_argument_information): Use TYPE_SIZE_UNIT
	consistently in the test for variable-sized types.  Adjust for
	new behaviour of flag_stack_check.
	* explow.c: Include except.h.
	(allocate_dynamic_stack_space): Do not take into account
	STACK_CHECK_MAX_FRAME_SIZE for static builtin stack checking.
	* function.c (gimplify_parameters): Use DECL_SIZE_UNIT in the test
	for variable-sized parameters.  Treat all parameters whose size is
	greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized if generic
	stack checking is enabled.
	* gimplify.c (gimplify_decl_expr): Treat non-static objects whose
	size is greater than STACK_CHECK_MAX_VAR_SIZE as variable-sized
	if generic stack checking is enabled.
	(expand_function_end): Adjust for new behaviour of flag_stack_check.
	* reload1.c (reload): Likewise.
	* stmt.c (expand_decl): Assert that all automatic variables have
	fixed size at this point and remove dead code.
	* flags.h (stack_check_type): New enumeration type.
	(flag_stack_check): Declare.
	* toplev.c (flag_stack_check): New global variable.
	* Makefile.in (opts.o): Add dependency on EXPR_H.
	(explow.o): Add dependency on except.h.
ada/
	* gcc-interface/decl.c (gnat_to_gnu_entity): Use DECL_SIZE_UNIT in the
	setjmp test consistently.  Adjust for new behaviour of flag_stack_check.
	* gcc-interface/utils2.c (build_call_alloc_dealloc): Remove redundant
	test of flag_stack_check.  Adjust for new behaviour of flag_stack_check.

From-SVN: r139159

2008-08-16  Tobias Burnus  <burnus@net-b.de>

        PR fortran/36825
        * libgfortran.h: Reduce GFC_MAX_DIMENSIONS to 7.

2008-08-16  Tobias Burnus  <burnus@net-b.de>

        PR fortran/36825
        * gfortran.dg/rank_1.f90: Modify error message.

From-SVN: r139152

From-SVN: r139151

	* Makefile.tpl: Add BOOT_ADAFLAGS.
	* Makefile.in: Regenerate.

From-SVN: r139149

2008-08-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/35863
	* gfortran.dg/utf8_1.f03: New test.
	* gfortran.dg/utf8_2.f03: New test.

From-SVN: r139148

2008-08-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libfortran/35863
	* intrinsics/selected_char_kind.c: Enable iso_10646.
	* io/read.c (typedef uchar): New type.
	(read_utf8): New function to read a single UTF-8 encoded character.
	(read_utf8_char1): New function to read UTF-8 into a KIND=1 string.
	(read_default_char1): New functio to read default into KIND=1 string.
	(read_utf8_char4): New function to read UTF-8 into a KIND=4 string.
	(read_default_char4): New function to read UTF-8 into a KIND=4 string.
	(read_a): Modify to use the new functions.
	(read_a_char4): Modify to use the new functions.
	* io/write.c (error.h): Add include. (typedef uchar): New type.
	(write_default_char4): New function to default write KIND=4 string.
	(write_utf8_char4): New function to UTF-8 write KIND=4 string.
	(write_a_char4): Modify to use new functions.
	(write_character): Modify to use new functions.

From-SVN: r139147

2008-08-15  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/35863
	* io.c (gfc_match_open): Enable UTF-8 in checks.
	* simplify.c (gfc_simplify_selected_char_kind): Enable iso_10646.

From-SVN: r139146

From-SVN: r139142

	* expr.c (expand_expr_real_1) <VIEW_CONVERT_EXPR>: When converting
	to BLKmode, try to fetch an inner memory reference.  Use 'mode' in
	lieu of TYPE_MODE (type) throughout.

From-SVN: r139139

arm.c (add_minipool_backward_ref): Check for 8-byte-aligned entries in second case of forcing insertion after a...

	* config/arm/arm.c (add_minipool_backward_ref): Check for
	8-byte-aligned entries in second case of forcing insertion after a
	particular entry.  Change third case to avoid inserting
	non-8-byte-aligned entries before 8-byte-aligned ones.

From-SVN: r139135

2008-08-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-ccp.c (maybe_fold_offset_to_reference): Do not
	strip components for unknown size accesses.

From-SVN: r139129

2008-08-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

testsuite/
	* gcc.dg/pr30551-6.c: Skip for SPU.
	* gcc.dg/pr30551-3.c: Likewise.
	* gcc.dg/pr30551.c: Likewise.
	* g++.dg/warn/pr30551-2.C: Likewise.
	* g++.dg/warn/pr30551.C: Likewise.

From-SVN: r139126

From-SVN: r139125

	* config/s390/2097.md New file.
	* config/s390/s390.md ("z10prop" attribute): Define none,
        z10_super, z10_super_E1, z10_super_A1, z10_super_c,
        z10_super_c_E1, z10_fwd, z10_fwd_A1, z10_fwd_A3, z10_fwd_E1,
        z10_rec, z10_fr, z10_fr_A3, z10_fr_E1, z10_c, and z10_cobra as
        possible values and apply them to insns as appropriate.
        ("type" attribute): Removed itof and added ftrunctf,ftruncdf,
        ftruncsd, ftruncdd, itoftf, itofdf, itofsf, itofdd, itoftd,
        fdivdd, fdivtd, floaddd, floadsd, fmuldd, fmultd, fsimpdd,
        fsimpsd, fsimptd, fstoredd, fstoresd, ftoidfp as possible
        values.
	("bfp" mode attribute): Removed.  Every occurence replaced
	with <mode>.
	* config/s390/s390.c (struct "z10_cost"): Updated entries.
	* config/s390/2084.md (insn_reservation "x_itof"): Updated
          type attribute.

From-SVN: r139124

From-SVN: r139121

2008-08-14  H.J. Lu  <hongjiu.lu@intel.com>

	PR libfortran/37123
	* intrinsics/cshift0.c (cshift0): Fix 2 typos.

From-SVN: r139117

2008-08-14  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36705
	* symbol.c (check_conflict): Move conflict checks for (procedure,save)
	and (procedure,intent) to resolve_fl_procedure.
	* resolve.c (resolve_fl_procedure): Ditto.


2008-08-14  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/36705
	* gfortran.dg/argument_checking_7.f90: Modified.
	* gfortran.dg/conflicts.f90: Modified.
	* gfortran.dg/proc_decl_1.f90: Modified.
	* gfortran.dg/proc_ptr_9.f90: New.

From-SVN: r139116

/cp
2008-08-14  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/34485
	* pt.c (check_template_shadow): Change to return a bool.
	* name-lookup.c (push_class_level_binding): Early return if
	check_template_shadow returns false.
	* cp-tree.h (check_template_shadow): Adjust declaration.

/testsuite
2008-08-14  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/34485
	* g++.dg/template/crash81.C: New.
	* g++.old-deja/g++.benjamin/tem03.C: Adjust.
	* g++.old-deja/g++.benjamin/tem04.C: Likewise.
	* g++.old-deja/g++.brendan/crash7.C: Likewise.

From-SVN: r139114

2008-08-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/36886
	* Makefile.am:  Added $(i_cshift0_c).
	Added $(i_cshift0_c) to gfor_built_specific_src.
	Add rule to build from cshift0.m4.
	* Makefile.in:  Regenerated.
	* libgfortran.h:  Addedd prototypes for cshift0_i1,
	cshift0_i2, cshift0_i4, cshift0_i8, cshift0_i16,
	cshift0_r4, cshift0_r8, cshift0_r10, cshift0_r16,
	cshift0_c4, cshift0_c8, cshift0_c10, cshift0_c16.
	Define Macros GFC_UNALIGNED_C4 and GFC_UNALIGNED_C8.
	* intrinsics/cshift0.c:  Remove helper functions for
	the innter shift loop.
	(cshift0):  Call specific functions depending on type
	of array argument.  Only call specific functions for
	correct alignment for other types.
	* m4/cshift0.m4:  New file.
	* generated/cshift0_i1.c:  New file.
	* generated/cshift0_i2.c:  New file.
	* generated/cshift0_i4.c:  New file.
	* generated/cshift0_i8:.c  New file.
	* generated/cshift0_i16.c:  New file.
	* generated/cshift0_r4.c:  New file.
	* generated/cshift0_r8.c:  New file.
	* generated/cshift0_r10.c:  New file.
	* generated/cshift0_r16.c:  New file.
	* generated/cshift0_c4.c:  New file.
	* generated/cshift0_c8.c:  New file.
	* generated/cshift0_c10.c:  New file.
	* generated/cshift0_c16.c:  New file.

2008-08-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/36886
	* gfortran.dg/cshift_char_3.f90:  New test case.
	* gfortran.dg/cshift_nan_1.f90:  New test case.

From-SVN: r139111

2008-08-14  Rafael Avila de Espindola  <espindola@google.com>

	* gcc.dg/visibility-14.c: New test.
	* gcc.dg/visibility-15.c: New test.
	* gcc.dg/visibility-16.c: New test.
	* gcc.dg/visibility-17.c: New test.
	* gcc.dg/visibility-18.c: New test.
	* gcc.dg/visibility-19.c: New test.

From-SVN: r139100

/cp
2008-08-14  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/34600
	* decl.c (grokdeclarator): In case of extern and initializer, return
	error_mark_node after the error.

/testsuite
2008-08-14  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/34600
	* g++.dg/parse/crash43.C: New.

From-SVN: r139099

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

        PR c/28152
	* c-parser.c (c_lex_one_token): Do not store the canonical spelling
	for keywords.
testsuite/
	* gcc.dg/parser-pr28152.c: New.
	* gcc.dg/parser-pr28152-2.c: New.

From-SVN: r139097

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