params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default to zero, thus disable creation of SFTs.

2008-04-15  Richard Guenther  <rguenther@suse.de>

	* params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Set default
	to zero, thus disable creation of SFTs.

	* gcc.dg/tree-ssa/salias-1.c: Remove.
	* gcc.dg/tree-ssa/pr26421.c: Adjust pattern.
	* gcc.dg/tree-ssa/alias-15.c: Likewise.
	* gcc.dg/tree-ssa/ssa-lim-3.c: Run at -O2.

From-SVN: r134321

	* tree-predcom.c (suitable_reference_p): Return false if the
	reference can throw.

From-SVN: r134319

	PR c/35751
	* c-decl.c (finish_decl): If extern or static var has variable
	size, set TREE_TYPE (decl) to error_mark_node.

	* decl.c (layout_var_decl): If extern or static var has variable
	size, set TREE_TYPE (decl) to error_mark_node.

	* gcc.dg/gomp/pr35751.c: New test.
	* g++.dg/gomp/pr35751.C: New test.

From-SVN: r134317

From-SVN: r134316

2008-04-15  Rafael Espindola  <espindola@google.com>

	* gcc/tree-const.c (tree_call_nonnegative_warnv_p): Remove local
	variable arg1.

From-SVN: r134315

2008-04-15  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-sccvn.h (vn_reference_lookup): Adjust prototype.
	* tree-ssa-sccvn.c (vn_reference_lookup): New parameter maywalk.
	(visit_reference_op_load): Do walk vuse-vdef chains on
	vn_reference_lookup.
	(visit_reference_op_store): But do not here.
	* tree-vn.c (vn_lookup): Do not walk vuse-vdef chains on
	vn_reference_lookup.
	(vn_lookup_with_vuses): But do so here.

From-SVN: r134314

2008-04-15  Samuel Tardieu  <sam@rfc1149.net>
            Gary Dismukes  <dismukes@adacore.com>

    gcc/ada/
	PR ada/28733
	* sem_ch8.adb (Analyze_Use_Package): Do not allow "use" of something
	which is not an entity (and hence not a package).
	(End_Use_Package): Ditto.

Co-Authored-By: Gary Dismukes <dismukes@adacore.com>

From-SVN: r134313

2008-04-15  Ed Schonberg  <schonberg@adacore.com>

    gcc/ada/
	PR ada/16086
	* sem_ch12.adb (Analyze_Formal_Subprogram): The default can be any
	protected operation that matches the signature, not only an entry, a
	regular subprogram or a literal.

2008-04-15  Samuel Tardieu  <sam@rfc1149.net>

    gcc/testsuite/
	PR ada/16086
	* gnat.dg/prot_def.adb: New.

From-SVN: r134312

	* ada-tree.h (DECL_BY_COMPONENT_PTR_P): Use DECL_LANG_FLAG_3.
	* decl.c (gnat_to_gnu_entity) <object>: Call maybe_pad_type only
	if a size or alignment is specified.  Do not take into account
	alignment promotions for the computation of the object's size.
	<type>: Call maybe_pad_type only if a size or alignment is specified.
	(maybe_pad_type): Really reuse the RM_Size of the original type if
	requested.
	* trans.c (Attribute_to_gnu): Fix a couple of nits.
	* utils2.c (build_binary_op) <MODIFY_EXPR>: Merge related conditional
	statements.  Use the padded view of the type when copying between
	padded objects of the same underlying type.

From-SVN: r134310

From-SVN: r134307

From-SVN: r134303

	* config/alpha/alpha.c (alpha_initialize_trampoline): Remove temp,
	temp1 local variables.

From-SVN: r134299

       PR target/35921
       * optimize.c (maybe_clone_body): Copy DECL_DLLIMPORT_P flag
       to clone.

From-SVN: r134298

2008-04-14  Benjamin Kosnik  <bkoz@redhat.com>

	PR libstdc++/35816
	* acinclude.m4 (GLIBCXX_ENABLE_ATOMIC_BUILTINS): Set CXXFLAGS to
	-O0 when checking for atomic builtins.
	* configure: Regenerate.

From-SVN: r134297

2008-04-16  Zuxy Meng  <zuxy.meng@gmail.com>

	PR target/35661
	* config/i386/winnt.c (i386_pe_section_type_flags): Mark
	".text.unlikely" section as executable.

From-SVN: r134296

* config/ia64/ia64.c (rtx_needs_barrier): Handle
UNSPEC_FR_SQRT_RECIP_APPROX_RES.
* config/ia64/ia64.c (UNSPEC_FR_SQRT_RECIP_APPROX_RES): Define.
(divsi3_internal, divdi3_internal_lat, divdi3_internal_thr,
divsf3_internal_lat, sqrt_approx, sqrtsf2_internal_thr,
divdf3_internal_lat, sqrtdf2_internal_thr, divxf3_internal_lat,
divxf3_internal_thr, sqrtxf2_internal_thr, recip_approx): Use it.

From-SVN: r134295

gcc/ada/

	* vms_data.ads: Fix typo in constant.
	* gen-soccon.c: Fix typo in error string.
	* gnat_rm.texi (Pragma Optimize_Alignment, Pragma Postcondition):
	Fix typos.
	* a-calcon.ads, a-calend-vms.adb, a-calend.adb, a-crdlli.ads,
	bcheck.adb, checks.adb, einfo.ads, errout.adb, erroutc.adb,
	erroutc.ads, exp_attr.adb, exp_ch11.adb, exp_ch2.adb,
	exp_ch5.adb, exp_ch9.adb, exp_ch9.ads, exp_pakd.adb,
	exp_util.adb, fmap.adb, g-soccon-linux-mips.ads,
	g-soccon-rtems.ads, g-timsta.adb, g-timsta.ads, lib-writ.ads,
	mlib-tgt-specific-linux.adb, mlib-tgt-specific-tru64.adb,
	s-interr-vxworks.adb, s-interr.adb, s-osinte-lynxos.ads,
	s-rident.ads, s-taprop-solaris.adb, s-tassta.adb, s-win32.ads,
	sem_aggr.adb, sem_attr.ads, sem_ch10.adb, sem_ch13.ads,
	sem_ch3.adb, sem_ch6.adb, sem_ch7.adb, sem_ch8.adb, sem_ch9.adb,
	sem_prag.ads, sem_res.adb, sem_util.adb, sem_util.ads,
	sinfo.ads: Fix typos in comments.

From-SVN: r134291

2008-04-14  Benjamin Kosnik  <bkoz@redhat.com>

	* include/bits/c++config: Guard _LDBL_ macros with __cplusplus.

From-SVN: r134288

gcc/:
	* flags.h (POINTER_TYPE_OVERFLOW_UNDEFINED): Define.
	* fold-const.c (fold_comparison): If appropriate, test
	POINTER_TYPE_OVERFLOW_UNDEFINED, and issue an overflow warning.
	(fold_binary): Test POINTER_TYPE_OVERFLOW_UNDEFINED when
	reassociating a pointer type.
	* doc/invoke.texi (Optimize Options): Document that
	-fstrict-overflow applies to pointer wraparound.
gcc/testsuite/:
	* gcc.dg/strict-overflow-6.c: New.
	* gcc.dg/no-strict-overflow-7.c: New.
	* gcc.dg/Wstrict-overflow-22.c: New.

From-SVN: r134287

2008-04-14  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/32972
	* intrinsics/spread_generic.c (spread):  Use spread_i2()
	for GFC_DTYPE_DERIVED_2 (fix typo from previous commit).

From-SVN: r134286

    gcc/testsuite/
	* gnat.dg/specs/storage.ads: Fix expected error message.

From-SVN: r134281

2008-04-14  Robert Dewar  <dewar@adacore.com>

    gcc/ada/
	* sem_prag.adb (Analyze_Pragma, Linker_Section case): Extend error
	to every non-object and change error message.

    gcc/testsuite/
	* gnat.dg/specs/linker_section.ads: Check for more error conditions.

From-SVN: r134280

Sigh.  Fix the license of the new file from the previous commit to be
GPLv3, and fix the copyright year.

From-SVN: r134277

From-SVN: r134276

2008-04-14  Robert Dewar  <dewar@adacore.com>

    gcc/ada/
	* sem_util.ads, sem_util.adb (In_Subprogram): Remove.
	* sem_attr.adb (Anayze_Attribute): Check for Current_Subprogram
	directly.

From-SVN: r134273

    gcc/ada/
	PR ada/18680
	* sem_prag.adb (Analyze_Pragma, Linker_Section case): Refuse to
	apply pragma Linker_Section on type.

    gcc/testsuite/
	PR ada/18680
	* gnat.dg/specs/linker_section.ads: New.

From-SVN: r134266

    gcc/ada/
	PR ada/16098
	* sem_prag.adb (Error_Pragma_Ref): New.
	(Process_Convention): Specialized message for non-local
	subprogram renaming. Detect the problem in homonyms as well.

    gcc/testsuite/
	PR ada/16098
	* gnat.dg/specs/renamings.ads: New.

From-SVN: r134262

    gcc/ada/
	PR ada/15915
	* sem_util.ads, sem_util.adb (Denotes_Variable): New function.
	* sem_ch12.adb (Instantiate_Object): Use it.
	* sem_ch13.adb (Analyze_Attribute_Definition_Clause): Ensure that
	storage pool denotes a variable as per RM 13.11(15).

    gcc/testsuite/
	PR ada/15915
	* gnat.dg/specs/storage.ads: New.

From-SVN: r134261

    gcc/ada/
	* sem_util.ads, sem_util.adb (In_Subprogram): New function.
	* sem_attr.adb (Analyze_Attribute, Attribute_Old case): Use it.

    gcc/testsuite/
	* gnat.dg/deep_old.adb: New.

From-SVN: r134260

	* gnat.dg/loop_address2.adb: New test.

From-SVN: r134258

2008-04-14  Rolf Ebert  <rolf.ebert.gcc@gmx.de>

    gcc/ada/
	PR ada/20822
	* xgnatugn.adb (Put_Line): New procedure, ensuring Unix
	line endings even on non-Unix platforms.

From-SVN: r134257

    gcc/ada/
	PR ada/35050
	* xref_lib.adb (Parse_Identifier_Info): Correctly parse and ignore the
	renaming information.

From-SVN: r134256

From-SVN: r134255

2008-04-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/35882
	* gfortran.dg/continuation_3.f90: Update test.
	* gfortran.dg/continuation_5.f: Update test.
	* gfortran.dg/continuation_10.f90: New test.

From-SVN: r134252

2008-04-13  Jerry DeLisle  <jvdelisle@gcc.gnu.org>
	    Tobias Burnus  <burnus@net-b.de>

	PR fortran/35882
	* options.c (gfc_init_options): Set the default maximum continuation
	lines to 255 for both free and fixed form source for warnings.
	(gfc_handle_option): Set -std=f95 fixed form max continuations to 19 and
	the -std=f95 free form max continuations to 39 for warnings.
	* scanner.c (gfc_next_char_literal): Adjust the current_line number only
	if it is less than the current locus.

Co-Authored-By: Tobias Burnus <burnus@net-b.de>

From-SVN: r134251

From-SVN: r134249

2008-04-13  Thomas Koenig  <tkoenig@gcc.gnu.org>
	Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

	PR libfortran/32972
	PR libfortran/32512
	configure.ac:  Add test for uintptr_t.
	configure:  Regenerated.
	config.h.in:  Regenerated.
	* libgfortran.h: GFC_DTYPE_DERIVED_1:  New macro.
	GFC_DTYPE_DERIVED_2:  New macro.
	GFC_DTYPE_DERIVED_4:  New macro.
	GFC_DTYPE_DERIVED_8:  New macro.
	GFC_DTYPE_DERIVED_16:  New macro.
	GFC_UNALIGNED_2:  New macro.
	GFC_UNALIGNED_4:  New macro.
	GFC_UNALIGNED_8:  New macro.
	GFC_UNALIGNED_16:  New macro.
	intptr_t:  Define if we don't have it.
	uintptr_t:  Likewise.
	* runtime/backtrace.c (show_backtrace):  Use intptr_t.
	* intrinsics/signal.c (signal_sub):  Likewise.
	(signal_sub_int):  Likewise.
	(alarm_sub_int_i4):  Likewise.
	* intrinsics/spread_generic.c (spread):  Use the integer
	routines for handling derived types of sizes 1, 2, 4, 8 and 16
	if the alignment of all pointers is correct.
	(spread_scalar):  Likewise.
	* intrinsics/pack_generic.c (pack):  Likewise.
	Use GFD_DTYPE_TYPE_SIZE to avoid nested switch statements.
	* intrinsics/unpack_generic.c (unpack1):  Likewise.
	(unpack0):  Likewise.
	* runtime/in_pack_generic.c (internal_pack):  Likewise.
	* runtime/in_unpack_generic.c (internal_unpack):  Likewise.

2008-04-13  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR libfortran/32972
	PR libfortran/32512
	* gfortran.dg/internal_pack_1.f90:  Add test for derived type.
	* gfortran.dg/intrinsic_spread_1.f90:  Likewise.
	* gfortran.dg/intrinsic_pack_1.f90:  Likewise.
	* gfortran.dg/intrinsic_unpack_1.f90:  Likewise.


Co-Authored-By: Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>

From-SVN: r134245

    gcc/ada/
	PR ada/17985
	* sem_aggr.adb (Valid_Ancestor_Type): A type is not an ancestor of
	itself.

    gcc/testsuite/
	PR ada/17985
	* gnat.dg/ancestor_type.ads, gnat.dg/ancestor_type.adb: New test.

From-SVN: r134244

gcc/ada/
	* sfn_scan.adb, sfn_scan.ads, sinfo.ads,
	sinput-d.ads, sinput-l.adb, sinput-l.ads, sinput.ads,
	snames.ads, sprint.adb, stand.ads, stringt.ads,
	styleg.adb, styleg.ads, stylesw.adb, stylesw.ads,
	switch.ads, sysdep.c, table.adb, table.ads,
	targparm.ads, tb-gcc.c, tbuild.ads, tracebak.c,
	trans.c, tree_io.adb, treepr.adb, types.adb, types.ads,
	uintp.adb, uintp.ads, utils.c, utils2.c, validsw.ads,
	vms_conv.adb, vms_conv.ads, vms_data.ads, widechar.adb,
	widechar.ads, xeinfo.adb, xgnatugn.adb, xr_tabls.adb,
	xr_tabls.ads, xref_lib.adb, xref_lib.ads, xsinfo.adb:
	Fix comment typos.

From-SVN: r134243

gcc/ada/
	* sem_ch10.adb, sem_ch10.ads,
	sem_ch12.adb, sem_ch12.ads, sem_ch13.adb, sem_ch13.ads,
	sem_ch3.adb, sem_ch4.adb, sem_ch5.adb, sem_ch6.adb,
	sem_ch6.ads, sem_ch8.adb, sem_ch8.ads, sem_ch9.adb,
	sem_elab.adb, sem_elab.ads, sem_elim.ads, sem_eval.adb,
	sem_eval.ads, sem_intr.adb, sem_mech.adb, sem_mech.ads,
	sem_prag.adb, sem_prag.ads, sem_res.adb, sem_res.ads,
	sem_type.adb, sem_util.adb, sem_util.ads, sem_warn.adb,
	sem_warn.ads: Fix comment typos.

From-SVN: r134242