2009-10-26  Andrew Pinski  <pinskia@gcc.gnu.org>

        * gcc.dg/lto/20091014-1_0.c: Replace -shared with -r -nostlib.
        * gcc.dg/lto/20091016-1_0.c: Likewise.
        * gcc.dg/lto/20090206-1_0.c: Likewise.
        * gcc.dg/lto/20081120-1_0.c: Likewise.
        * gcc.dg/lto/20081120-2_0.c: Likewise.
        * gcc.dg/lto/20090116_0.c: Likewise.
        * gcc.dg/lto/20081126_0.c: Likewise.
        * gcc.dg/lto/20091013-1_0.c: Likewise.
        * gcc.dg/lto/20081212-1_0.c: Likewise.
        * gcc.dg/lto/20091015-1_0.c: Likewise.
        * gcc.dg/lto/20090126-1_0.c: Likewise.
        * gcc.dg/lto/20090126-2_0.c: Likewise.
        * gcc.dg/lto/20091020-1_0.c: Likewise.
        * gcc.dg/lto/20091020-2_0.c: Likewise.
        * gcc.dg/lto/20081204-1_0.c: Likewise.
        * gcc.dg/lto/20081204-2_0.c: Likewise.
        * gcc.dg/lto/20081224_0.c: Likewise.
        * gcc.dg/lto/20090219_0.c: Likewise.

From-SVN: r153555

Fix PR c++/41020

gcc/cp/ChangeLog:

	PR c++/41020
	* decl.c (decls_match): Use DECL_IS_BUILTIN instead of
	DECL_BUILT_IN.

gcc/testsuite/ChangeLog:
	PR c++/41020
	* g++.dg/lookup/extern-c-redecl2.C: New test.
	* g++.dg/lookup/extern-c-redecl3.C: Likewise.
	* g++.dg/lookup/extern-c-redecl4.C: Likewise.
	* g++.dg/lookup/extern-c-redecl5.C: Likewise.

From-SVN: r153552

	PR tree-optimization/41783
	* tree-ssa-alias.c (get_continuation_for_phi): Export, add a special
	case for simple diamonds
	* tree-ssa-alias.h (get_continuation_for_phi): Declare.
	* tree-ssa-pre.c (translate_vuse_through_block): Add same_valid
	argument, use alias oracle to skip some vdefs.
	(phi_translate_1): Change call to above, don't allocate new
	value ids if they can stay the same.
	(compute_avail): Allow vuse walking when looking up references.

testsuite/
	* gcc.dg/pr41783.c: New test.
	* gcc.dg/tree-ssa/ssa-pre-23.c: Adjust.
	* gcc.dg/tree-ssa/ssa-pre-24.c: Don't xfail anymore.
	* gcc.dg/tree-ssa/ssa-pre-27.c: New test.

From-SVN: r153551

2009-10-26  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/41826
	* tree-ssa-structalias.c (get_constraint_for_ptr_offset): Avoid
	access to re-allocated vector fields.

From-SVN: r153550

2009-10-26  Richard Guenther  <rguenther@suse.de>

	* graphite-sese-to-poly.c (check_poly_representation): Fix
	compile without checking.

From-SVN: r153549

2009-10-26  Johannes Singler <singler@kit.edu>

        * MAINTAINERS (Write After Approval): Update my e-mail address.

From-SVN: r153548

2009-10-26  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41714
	* gimple.h (tree_annotate_all_with_location): Remove prototype.
	* gimplify.c (tree_should_carry_location_p,
	tree_annotate_one_with_location,tree_annotate_all_with_location):
	Remove obsolete functions.


2009-10-26  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41714
	* trans.c (gfc_trans_code): Remove call to
	'tree_annotate_all_with_location'. Location should already be set.
	* trans-openmp.c (gfc_trans_omp_workshare): Ditto.
	* trans-stmt.c (gfc_trans_allocate): Do correct data initialization for
	CLASS variables with SOURCE tag, plus some cleanup.


2009-10-26  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41714
	* gfortran.dg/class_allocate_4.f03: New test.

From-SVN: r153547

From-SVN: r153546

	PR target/41813
	* config/sh/sh.md (stuff_delay_slot): Don't set T_REG in pattern.

From-SVN: r153543

2009-10-25  Richard Guenther  <rguenther@suse.de>

	* lto-streamer-in.c (unpack_ts_decl_common_value_fields):
	Stream DECL_RESTRICTED_P.
	* lto-streamer-out.c (pack_ts_decl_common_value_fields): Likewise.

From-SVN: r153542

gcc/
	* config/mips/mips.c (mips_restore_gp_from_cprestore_slot): Emit
	a note when expanding to nothing.

From-SVN: r153540

2009-10-25  Richard Guenther  <rguenther@suse.de>

	PR middle-end/41814
	* tree.c (find_decls_types_r): Deal with Java overloading
	BINFO_VIRTUALS for its own purpose.

From-SVN: r153539

	* config/mips/predicates.md (hilo_operand): New predicate.
	* config/mips/mips.md (<u>mulsidi3_64bit): Change it to a
	define_insn.  Correct !ISA_HAS_EXT_INS length from 24 to 28.  Move
	splitter part from here ...:
	(<u>mulsidi3_64bit splitter for !ISA_HAS_EXT_INS): ... to here.  Swap
	op0 and op4 to match the DINS case.
	(<u>mulsidi3_64bit splitter for ISA_HAS_EXT_INS): New splitter.

testsuite/
	* gcc.target/mips/mult-1.c: New test.

From-SVN: r153538

From-SVN: r153537

2009-10-24  Janus Weil  <janus@gcc.gnu.org>
	    Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/41784
	* module.c (load_derived_extensions): Skip symbols which are not being
	loaded.


2009-10-24  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41784
	* gfortran.dg/extends_8.f03: New test.

Co-Authored-By: Paul Thomas <pault@gcc.gnu.org>

From-SVN: r153534

re PR middle-end/19154 (miss-optimization of (x & pow2C) avr conditionals returning bool equivalent values)

	PR middle-end/19154
* avr.md (QIDI): Add new mode iterator.
(sbrx_branch<mode>): Create new zero extract bit, test and jump
patterns for all QI-DI modes combinations.
(sbrx_and_branch<mode>): Create new and based bit test and jump
patterns for QI-SI modes.
avr.c (avr_out_sbxx_branch): Use only bit number.

From-SVN: r153531

re PR middle-end/19154 (miss-optimization of (x & pow2C) avr conditionals returning bool equivalent values)

PR middle-end/19154
* avr.md (QIDI): Add new mode iterator.
(sbrx_branch<mode>): Create new zero extract bit, test and jump
patterns for all QI-DI modes combinations.
(sbrx_and_branch<mode>): Create new and based bit test and jump
patterns for QI-SI modes.
avr.c (avr_out_sbxx_branch): Use only bit number.

From-SVN: r153530

	* ipa-reference.c (check_call): Noreturn notrhow calls do not write
	to memory.
	(analyze_function): When analyzing noreturn nothrow call, do not compute
	written stats; free bitmaps of vars early if possible.
	(generate_summary): Only update bitmaps if computed.
	(propagate): Only dump bitmaps if computed.
	(ipa_reference_read_summary): Fix pasto.

From-SVN: r153529

	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Type>: When
	processing the parent type, build the COMPONENT_REF for a discriminant
	with the proper type.

From-SVN: r153528

libada/
	* Makefile.in (GNATLIBCFLAGS_FOR_C): New variable.
	(LIBADA_FLAGS_TO_PASS): Add GNATLIBCFLAGS_FOR_C.
	* configure.ac: Include config/unwind_ipinfo.m4.
	Check for _Unwind_GetIPInfo.
	* configure: Regenerate.

gcc/ada/
	* init.c (__gnat_adjust_context_for_raise): Mention _Unwind_GetIPInfo.
	* gcc-interface/Makefile.in (GNATLIBCFLAGS_FOR_C): Add HAVE_GETIPINFO.
	Pass GNATLIBCFLAGS_FOR_C to recursive invocations.

gcc/testsuite/
	* gnat.dg/null_pointer_deref1.adb: New test.
	* gnat.dg/null_pointer_deref2.adb: Likewise.

From-SVN: r153525

2009-10-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/41772
	* trans-intrinsic.c (gfc_conv_intrinsic_transfer): Stop'extent'
	from going negative.

2009-10-24  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/41772
	* gfortran.dg/transfer_intrinsic_3.f90.

From-SVN: r153524

	* tree-ssa-alias.c (nonaliasing_component_refs_p): Rename into...
	(aliasing_component_refs_p): ...this.  Return true if there is no
	common base and the base access types have the same alias set.
	(indirect_ref_may_alias_decl_p): Adjust for above renaming.
	(indirect_refs_may_alias_p): Likewise.

From-SVN: r153523

	PR c/40033
	* c-typeck.c (c_finish_stmt_expr): Do not wrap error_mark_node in
	a C_MAYBE_CONST_EXPR.

testsuite:
	* gcc.dg/noncompile/pr40033-1.c: New test.

From-SVN: r153522

From-SVN: r153521

Fix for PR c++/40808

gcc/cp/ChangeLog:

	PR c++/40808
	* mangle.c (write_template_args): Allow mangling of empty template
	argument list. Updated function comments.

gcc/testsuite/ChangeLog:

	PR c++/40808
	* g++.dg/abi/mangle34.C: New test

From-SVN: r153517

From-SVN: r153512

	* semantics.c (outer_lambda_capture_p): New fn.
	(thisify_lambda_field): Factor out...
	(add_default_capture): ...from here.
	(finish_id_expression): Use them.

From-SVN: r153510

	Core issue 899
	* call.c (add_function_candidate): Only permit explicit conversion
	ops if copy ctor was called with a single argument.

From-SVN: r153509

From-SVN: r153508

From-SVN: r153507

	* g++.dg/abi/rtti3.C, g++.dg/abi/thunk4.C: Skip for *-*-mingw* and
	*-*-cygwin.
	* g++.dg/cpp0x/lambda/lambda-mangle.C: Disable weak symbols tests
	for *-*-mingw* and *-*-cygwin.
	* g++.dg/opt/vt1.C: Skip for *-*-mingw* and *-*_cygwin.
	* g++.dg/template/spec35.C: Disable weak symbol test for
	*-*-mingw* and *-*-cygwin.

	PR testsuite/31342
	* gcc.target/i386/pic-1.c: Skip for *-*-mingw* and *-*-cygwin.

From-SVN: r153506

2009-10-23  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41800
	* trans-expr.c (gfc_trans_scalar_assign): Handle CLASS variables.


2009-10-23  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41800
	* gfortran.dg/class_10.f03: New test.

From-SVN: r153504

splay-tree.h (libi_uhostptr_t): Add gcc specific __extension__ for long long type case to silent cX9.

2009-10-23  Kai Tietz  <kai.tietz@onevision.com>

	* splay-tree.h (libi_uhostptr_t): Add gcc specific
	__extension__ for long long type case to silent cX9.
	(libi_shostptr_t): Likewise.

From-SVN: r153499

From-SVN: r153498

re PR c/41673 (variable-length array dereference inside sizeof gives "warning: dereferencing type-punned pointer will break strict-aliasing rules")

	PR c/41673
	* alias.c (get_alias_set): Call langhook before returning 0 for
	types with structural equality.
	* c-common.c (c_common_get_alias_set): Use alias set of element
	type for arrays with structural comparison.

testsuite:
	* gcc.dg/Wstrict-aliasing-bogus-vla-1.c: New test.

From-SVN: r153496

2009-10-23  Richard Guenther  <rguenther@suse.de>

	PR middle-end/41805
	* cfgexpand.c (expand_call_stmt): Use gimple_has_side_effects and
	gimple_call_nothrow_p.

From-SVN: r153495

2009-10-23  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/41758
	* match.c (conformable_arrays): Move to resolve.c.
	(gfc_match_allocate): Don't resolve SOURCE expr yet, and move some
	checks to resolve_allocate_expr.
	* resolve.c (conformable_arrays): Moved here from match.c.
	(resolve_allocate_expr): Moved some checks here from gfc_match_allocate.
	(resolve_code): Resolve SOURCE tag for ALLOCATE expressions.

From-SVN: r153494

	config:
	* acx.m4 (ACX_CHECK_CYGWIN_CAT_WORKS): Use = with test.

From-SVN: r153493

2009-10-23  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/41778
	* tree-ssa-pre.c (do_regular_insertion): Only insert if a
	redundancy along a path in the CFG we want to optimize for speed
	is going to be removed.
	(execute_pre): Do partial-PRE only if the function is to be
	optimized for speed.
	(gate_pre): Do not turn off all of PRE when not optimizing a
	function for speed.

	* gcc.dg/tree-ssa/ssa-pre-26.c: New testcase.

From-SVN: r153491

	* configure.ac (CLooG test): Use = with test.
	* configure: Regenerate.

From-SVN: r153490