2007-01-05  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/30162
	* io/unix.c (fd_flush): Don't seek if file is not seekable, defined as
	s->file_length == -1.
	(fd_alloc_w_at): Do not adjust file_length if file is not seekable.
	(fd_seek): If not seekable, just return success.
	(fd_truncate): If not seekable, no need to truncate.  Return failure if
	seek fails and the stream is not a pipe.
	(fd_to_stream): Make test for non-seekable file more robust.

From-SVN: r120512

2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	PR c/19978
	* tree.h (TREE_OVERFLOW_P): New.
	* c-typeck.c (parser_build_unary_op): Warn only if result
	overflowed and operands did not.
	(parser_build_binary_op): Likewise.
	(convert_for_assignment): Remove redundant overflow_warning.
	* c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.

cp/
	* semantics.c (finish_unary_op_expr): Warn only if result
	overflowed and operands did not.

testsuite/
	* gcc.dg/multiple-overflow-warn-1.c: New.
	* gcc.dg/multiple-overflow-warn-2.c: New.
	* gcc.dg/overflow-warn-6.c: New.
	* g++.dg/warn/multiple-overflow-warn-1.C: New.

From-SVN: r120505

2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>

	* c-typeck.c (store_init_value): Split over two lines to follow
	the GNU coding style.

From-SVN: r120504

trans-expr.c (gfc_trans_assignment_1): New subroutine to scalarize array assignments split out from gfc_trans_assignment.


	* trans-expr.c (gfc_trans_assignment_1): New subroutine to scalarize
	array assignments split out from gfc_trans_assignment.
	(gfc_trans_array_copy): New function to implement array to array
	copies via calls to __builtin_memcpy.
	(copyable_array_p): New helper function to identify an array of
	simple/POD types, that may be copied/assigned using memcpy.
	(gfc_trans_assignment): Use gfc_trans_array_copy to handle simple
	whole array assignments considered suitable by copyable_array_p.
	Invoke gfc_trans_assignment_1 to perform the fallback scalarization.

	* gfortran.dg/array_memcpy_1.f90: New test case.
	* gfortran.dg/array_memcpy_2.f90: Likewise.

From-SVN: r120503

2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>

	* c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
	__GXX_EXPERIMENTAL_CXX0X__.
	* doc/cpp.texi: Same.

From-SVN: r120502

trans-array.c (gfc_trans_array_constructor_value): Make the static const "data" array as TREE_READONLY.


	* trans-array.c (gfc_trans_array_constructor_value): Make the
	static const "data" array as TREE_READONLY.
	* trans-stmt.c (gfc_trans_character_select): Likewise.

From-SVN: r120501

	* trans-array.c (gfc_conv_loop_setup):  Test whether the loop
	stride is one, to avoid fold_build2 introducing a useless
	NON_LVALUE_EXPR node.

From-SVN: r120500

2007-01-05  Richard Guenther  <rguenther@suse.de>

	PR middle-end/27826
	* tree.c (get_narrower): Do not construct COMPONENT_REFs
	with mismatched types.  Instead explicitly build a
	conversion NOP_EXPR.

	* g++.dg/opt/pr27826.C: New testcase.

From-SVN: r120498

2007-01-05  Tobias Burnus  <burnus@net-b.de>

       * symbol.c (check_conflict): Fix error message.

From-SVN: r120496

	* Makefile.tpl (all-target): Correct @if conditional for target
	modules.
	* configure.in: Omit libiberty if building only target libgcc.
	* configure, Makefile.in: Regenerated.

From-SVN: r120494

./:	* c-common.c (decl_with_nonnull_addr_p): New function.
	(c_common_truthvalue_conversion): Call it.
	* c-typeck.c (build_binary_op): Likewise.
	* c-common.h (decl_with_nonnull_addr_p): Declare.
cp/:
	* typeck.c (build_binary_op): Warn about comparing a non-weak
	address to NULL.
testsuite/:
	* gcc.dg/Walways-true-1.c: New test.
	* gcc.dg/Walways-true-2.c: New test.
	* g++.dg/warn/Walways-true-1.C: New test.
	* g++.dg/warn/Walways-true-2.C: New test.

From-SVN: r120493

From-SVN: r120492

	PR c/30360
	* libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
	denom against 0.0.

	* gcc.dg/pr30360.c: New test.

From-SVN: r120486

2007-01-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/23232
	* decl.c (gfc_in_match_data, gfc_set_in_match_data): New
	functions to signal that a DATA statement is being matched.
	(gfc_match_data): Call gfc_set_in_match_data on entry and on
	exit.
	* gfortran.h : Add prototypes for above.
	* expr.c (check_init_expr): Avoid check on parameter or
	variable if gfc_in_match_data is true.
	(gfc_match_init_expr): Do not call error on non-reduction of
	expression if gfc_in_match_data is true.

	PR fortran/27996
	PR fortran/27998
	* decl.c (gfc_set_constant_character_len): Add boolean arg to
	flag array constructor resolution.  Warn if string is being
	truncated.  Standard dependent error if string is padded. Set
	new arg to false for all three calls to
	gfc_set_constant_character_len.
	* match.h : Add boolean arg to prototype for
	gfc_set_constant_character_len.
	* gfortran.h : Add warn_character_truncation to gfc_options.
	* options.c (set_Wall): Set warn_character_truncation if -Wall
	is set.
	* resolve.c (resolve_code): Warn if rhs string in character
	assignment has to be truncated.
	* array.c (gfc_resolve_character_array_constructor): Set new
	argument to true for call to gfc_set_constant_character_len.

2007-01-05  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/23232
	* gfortran.dg/data_implied_do_1.f90: New test.

	PR fortran/27996
	PR fortran/27998
	* gfortran.dg/char_length_1.f90: New test.

From-SVN: r120485

        * doc/install.texi (Final install): Document the fact that
        the GNAT runtime should not be stripped.

From-SVN: r120484

2007-01-04  Douglas Gregor  <doug.gregor@gmail.com>

	* pt.c (tsubst): Propagate the need for structural equality checks
	when reducing the level of template parameters.

From-SVN: r120483

2007-01-05  Richard Guenther  <rguenther@suse.de>

	PR middle-end/28116
	* g++.dg/opt/pr28116.C: New testcase.

From-SVN: r120482

	* tree-inline.c (fold_marked_statements): Update operand caches
	and EH after folding

From-SVN: r120477

fortran/
2007-01-05  Tobias Burnus  <burnus@net-b.de>

        PR fortran/29624
        * interface.c (compare_parameter_intent): New function.
          (check_intents): Support pointer intents.
        * symbol.c (check_conflict): Support pointer intents,
          better conflict_std message.
        * expr.c (gfc_check_assign,gfc_check_pointer_assign):
          Support pointer intents.
        * resolve.c (resolve_deallocate_expr,resolve_allocate_expr):
          Support pointer intents.

testsuite/
2006-01-05  Tobias Burnus  <burnus@net-b.de>

        PR fortran/29624
        * gfortran.dg/alloc_alloc_expr_1.f90: Add check for
          invalid deallocate.
        * gfortran.dg/allocatable_dummy_2.f90: Update dg-error.
        * gfortran.dg/protected_4.f90: Add pointer intent check.
        * gfortran.dg/protected_6.f90: Add pointer intent check.
        * gfortran.dg/pointer_intent_1.f90: New test.
        * gfortran.dg/pointer_intent_2.f90: New test.
        * gfortran.dg/pointer_intent_3.f90: New test.

From-SVN: r120472

	* crontab: Spread snapshots more evenly throughout the week, and
	in "ascending" order.  Build all at the same time of the day.

From-SVN: r120471

From-SVN: r120470

	* tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
	comitted older version of patch.
	(pass_fixup_cfg): Add TODOs to verify flow and statements, dump
	function, celanup cfg and collect garbage.

From-SVN: r120469

PR 30371
* check.c (gfc_check_kill_sub): Add checks for non-scalar
arguments.

From-SVN: r120468

* intrinsic.texi: Minor cleanup, reflowing overlong
paragraphs, and correcting whitespace.

From-SVN: r120467

* intrinsic.texi (LBOUND): Add documentation.
(LGE): Add documentation.
(LGT): Add documentation.
(LINK): Add documentation.
(LLE): Add documentation.
(LLT): Add documentation.
(LNBLNK): Add documentation.
(UBOUND): Add documentation.
(UNLINK): Add documentation.

From-SVN: r120466

	* Makefile.in (mostlyclean): Don't remove libgcc anymore.
	(clean): Likewise.

From-SVN: r120465

From-SVN: r120463

From-SVN: r120458

strstream.cc (strstreambuf::seekoff): Add parentheses around truth expression to eliminate a new warning from g++.

	* src/strstream.cc (strstreambuf::seekoff): Add parentheses around
	truth expression to eliminate a new warning from g++.

From-SVN: r120457

From-SVN: r120456

From-SVN: r120455

2007-01-04  Eric Christopher  <echristo@apple.com>

	    * libgcc2.c (__bswapsi2): Use SItype.
	      (__bswapdi2): Use DItype.
	    * libgcc2.h: Update for above.

From-SVN: r120454

2007-01-04  Paul Brook  <paul@codesourcery.com>

	* config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
	mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
	mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
	umulsidi3, umulsidi3adddi, smulsi3_highpart,
	umulsi3_highpart): Make conditional on !arm_arch6.
	(arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
	mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
	mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
	umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
	umulsi3_highpart_v6): New insns.

From-SVN: r120453

* intrinsic.texi (IAND): Clarify argument specifications.
(IBCLR): Add documentation.
(IBITS): Add documentation.
(IBSET): Add documentation.
(IEOR): Add documentation.
(IERRNO): Add documentation.
(INDEX): Add documentation.
(IOR): Add documentation.
(ISHFT): Add documentation.
(ISHFTC): Add documentation.
(KILL): Add documentation.
(LEN_TRIM): Add documentation.

From-SVN: r120452

	* fold-const.c (fold_convert): When casting an expression to void,
	fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
	have a type.  Instead of attempting to build a NOP_EXPR, return
	these "special" trees directly.

From-SVN: r120451

	* Makefile.in (MAKEINFO): Remove.
	(PERL): Likewise.

From-SVN: r120450

2007-01-04  Paolo Bonzini  <bonzini@gnu.org>

	* configure.ac: Add GCC_TOPLEV_SUBDIRS.
	* configure: Regenerate.
	* Makefile.in (host_subdir): Substitute it.
	(gcc_objdir): Use it.

From-SVN: r120449

re PR fortran/30235 ([4.1 only] missing alternate return argument with explicit interface causes segfault)

fortran/
	PR 30235
	* interface.c (compare_actual_formal): check for
	alternate returns when iterating over non-present
	arguments.

testsuite/
	PR 30235
	* gfortran.dg/altreturn_2.f90: new test.

From-SVN: r120447

From-SVN: r120445

* gfortran.texi: Update copyright to include 2007.
* intrinsic.texi: Update copyright to include 2007.
* invoke.texi: Update copyright to include 2007.

From-SVN: r120444