2013-02-22  Vladimir Makarov  <vmakarov@redhat.com>

	PR inline-asm/56148
	* lra-constraints.c (process_alt_operands): Reload operand
	conflicting with earlier clobber only if no more other conflicting
	operands.

From-SVN: r196223

	PR sanitizer/56393
	* config/gnu-user.h (LIBASAN_EARLY_SPEC): Link in libasan_preinit.o
	if not linking a shared library.

	* lib/asan-dg.exp (asan_link_flags): Add
	-B${gccpath}/libsanitizer/asan/ to flags.

	* asan/Makefile.am (nodist_toolexeclib_HEADERS): Set to
	libasan_preinit.o.
	(libasan_preinit.o): Depend on asan_preinit.o.
	* asan/Makefile.in: Regenerated.
	* asan/asan_preinit.cc: New file, synced from upstream.
	* asan/asan_rtl.cc: Remove preinit stuff, synced from upstream.

From-SVN: r196222

2013-02-22  Seth LaForge  <sethml@google.com>

	* config.gcc (arm*-*-eabi*): Treat arm*eb as big-endian.

From-SVN: r196221

2013-02-22  Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/arm.md (split for extendsidi): Update condition.
        (zero_extend<mode>di2,extend<mode>di2): Add an alternative.
        * config/arm/iterators.md (qhs_extenddi_cstr): Likewise.
        (qhs_zextenddi_cstr): Likewise.

From-SVN: r196220

From-SVN: r196218

re PR middle-end/56420 (Arithmetic error in computation with compile time unsigned __int128 constant)

	PR middle-end/56420
	* expmed.c (EXACT_POWER_OF_2_OR_ZERO_P): Do subtraction in uhwi, to
	avoid signed wrapping.
	(expand_mult): Handle properly multiplication by
	((dword_type) -1) << (BITS_PER_WORD - 1).  Improve multiplication by
	((dword_type) 1) << (BITS_PER_WORD - 1).  Avoid undefined behavior
	in the compiler if coeff is HOST_WIDE_INT_MIN.
	(expand_divmod): Don't make ext_op1 static, change it's type to
	uhwi.  Avoid undefined behavior in -INTVAL (op1).

	* gcc.dg/torture/pr56420.c: New test.

From-SVN: r196215

	PR rtl-optimization/50339
	* lower-subreg.h (struct lower_subreg_choices): Add splitting_ashiftrt
	field.
	* lower-subreg.c (compute_splitting_shift): Handle ASHIFTRT.
	(compute_costs): Call compute_splitting_shift also for ASHIFTRT
	into splitting_ashiftrt field.
	(find_decomposable_shift_zext, resolve_shift_zext): Handle also
	ASHIFTRT.
	(dump_choices): Fix up printing LSHIFTRT choices, print ASHIFTRT
	choices.

From-SVN: r196214

	PR middle-end/56108
	* trans-mem.c (execute_tm_mark): Do not expand transactions that
	are sure to go irrevocable.
testsuite/
	* gcc.dg/tm/memopt-1.c: Declare functions transaction_safe.

From-SVN: r196213

	* asan/Makefile.am (libasan_la_SOURCES): Remove deprecated
	dynamic/asan_interceptors_dynamic.cc.
	* asan/Makefile.in: Regenerated.
	* merge.sh: Remove merge of deprecated lib/asan/dynamic.

From-SVN: r196211

2013-02-21  Janne Blomqvist  <jb@gcc.gnu.org>

	PR libfortran/30162
	* io/open.c (test_endfile): Call stell only if size != 0.
	* io/unix.c (raw_tell): Revert r194679.
	(raw_size): Return size field only for regular files, otherwise 0.

From-SVN: r196210

2013-02-20  Andrew Sutton  <andrew.n.sutton@gmail.com>

	* MAINTAINERS (Write After Approval): Add myself.

From-SVN: r196209

	* doc/rtl.texi (vec_concat, vec_duplicate): Mention that
	scalars are valid operands.

From-SVN: r196208

re PR tree-optimization/56310 (ICE: in decide_about_value, at ipa-cp.c:3310 with -fipa-cp -fno-early-inlining -fipa-cp-clone --param=ipa-cp-eval-threshold=1)

2013-02-21  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/56310
	* ipa-cp.c (agg_replacements_to_vector): New parameter index, copy
	only matching indices and non-negative final offsets.
	(intersect_aggregates_with_edge): Pass src_idx to
	agg_replacements_to_vector.  Pass src_idx insstead of index to
	intersect_with_agg_replacements.

testsuite/
	* g++.dg/ipa/pr56310.C: New test.

From-SVN: r196207

2013-02-21  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.c (good_cloning_opportunity_p): Dump the real threshold
	instead of hard-wired defaults.

From-SVN: r196206

	* asan/asan_rtl.cc (__asan_preinit): Don't add if PIC macro is
	defined.  Add used attribute.

From-SVN: r196205

invoke.texi (MIPS Options): Update documentation of the floating-point multiply-accumulate instruction...

	* doc/invoke.texi (MIPS Options): Update documentation of the
	floating-point multiply-accumulate instruction restrictions.

From-SVN: r196204

From-SVN: r196203

2013-02-21  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/56385
	* trans-array.c (structure_alloc_comps): Handle procedure-pointer
	components with allocatable result.

2013-02-21  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/56385
	* gfortran.dg/proc_ptr_comp_37.f90: New.

From-SVN: r196202

From-SVN: r196201

2013-02-21  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56415
	Revert
	2013-02-11  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56273
	* tree-vrp.c (simplify_cond_using_ranges): Disable for the
	first VRP run.

	* g++.dg/warn/Warray-bounds-6.C: New testcase.
	* gcc.dg/tree-ssa/pr21559.c: Adjust.
	* gcc.dg/tree-ssa/vrp17.c: Likewise.
	* gcc.dg/tree-ssa/vrp18.c: Likewise.
	* gcc.dg/tree-ssa/vrp23.c: Likewise.
	* gcc.dg/tree-ssa/vrp24.c: Likewise.

From-SVN: r196200

From-SVN: r196199

	PR bootstrap/56258
	* doc/invoke.texi (-fdump-rtl-pro_and_epilogue): Use @item
	instead of @itemx.

	* gnat-style.texi (@title): Remove @hfill.
	* projects.texi: Avoid line wrapping inside of @pxref or
	@xref.

	* doc/cp-tools.texinfo (Virtual Machine Options): Use just
	one @gccoptlist instead of 3 separate ones.

From-SVN: r196196

	PR inline-asm/56405
	* expr.c (expand_expr_real_1) <case TARGET_MEM_REF, MEM_REF>: Don't
	use movmisalign or extract_bit_field for EXPAND_MEMORY modifier.

	* gcc.c-torture/compile/pr56405.c: New test.

From-SVN: r196195

2012-02-21  Tobias Burnus  <burnus@net-b.de>

        PR fortran/56416
        * gfortran.texi (Part II: Language Reference, Extensions,
        Non-Fortran Main Program): Sort @menu to match actual section order.
        * intrinsic.texi (Intrinsic Procedures): Ditto.
        (C_F_POINTER, PRECISION): Move to the alphabetically correct place.

From-SVN: r196194

From-SVN: r196191

streambuf (basic_streambuf): Use injected class name instead of non-standard __streambuf_type typedef.

	* include/std/streambuf (basic_streambuf): Use injected class name
	instead of non-standard __streambuf_type typedef. Fix unclosed Doxygen
	group.

From-SVN: r196185

	* doc/html/faq.html: Fix spelling.
	* doc/xml/faq.xml: Likewise.
	* include/bits/basic_ios.h: Likewise.
	* include/bits/regex.h: Likewise.
	* include/std/istream: Likewise.
	* include/std/streambuf: Likewise.

From-SVN: r196184

	* testsuite/23_containers/unordered_set/55043.cc: Add missing
	namespace qualification.
	* testsuite/23_containers/unordered_multiset/55043.cc: Likewise.

From-SVN: r196183

	PR go/56171
syscall: Solaris fixes for passing file descriptor.

From Rainer Orth.

From-SVN: r196180

	PR go/56320
runtime: Support Solaris AMD64 in lfstack.
The address space layout is similar on SPARC64 and AMD64 when
running Solaris.

From-SVN: r196179

	PR tree-optimization/56265
	* ipa-prop.c (ipa_make_edge_direct_to_target): Fixup callgraph when target is
	referenced for firs ttime.
	* testsuite/g++.dg/ipa/devirt-11.C: New testcase.

From-SVN: r196177

2013-02-20  Richard Biener  <rguenther@suse.de>

	* tree-call-cdce.c (tree_call_cdce): Do not remove unused locals.
	* tree-ssa-forwprop.c (ssa_forward_propagate_and_combine): Likewise.
	* tree-ssa-dce.c (perform_tree_ssa_dce): Likewise.
	* tree-ssa-copyrename.c (copy_rename_partition_coalesce): Do
	not return anything.
	(rename_ssa_copies): Do not remove unused locals.
	* tree-ssa-ccp.c (do_ssa_ccp): Likewise.
	* tree-ssanames.c (pass_release_ssa_names): Remove unused
	locals first.
	* passes.c (execute_function_todo): Do not schedule unused locals
	removal if cleanup_tree_cfg did something.
	* tree-ssa-live.c (remove_unused_locals): Dump statistics
	about the number of removed locals.

	* gcc.dg/tree-ssa/forwprop-8.c: Adjust.

From-SVN: r196174

2013-02-20  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/56398
	* tree-vect-loop-manip.c (adjust_debug_stmts): Skip
	SSA default defs.

From-SVN: r196172

2013-02-20  Martin Jambor  <mjambor@suse.cz>

	PR tree-optimization/55334
	* ipa-cp.c (initialize_node_lattices): Disable IPA-CP through and to
	restricted pointers to arrays.

From-SVN: r196171

2013-02-20  Richard Biener  <rguenther@suse.de>
	Jakub Jelinek  <jakub@redhat.com>

	PR tree-optimization/56396
	* tree-ssa-ccp.c (n_const_val): New static variable.
	(get_value): Return NULL for SSA names we don't have a lattice
	entry for.
	(ccp_initialize): Initialize n_const_val.
	* tree-ssa-copy.c (n_copy_of): New static variable.
	(init_copy_prop): Initialize n_copy_of.
	(get_value): Return NULL_TREE for SSA names we don't have a
	lattice entry for.

	* gcc.dg/pr56396.c: New testcase.

Co-Authored-By: Jakub Jelinek <jakub@redhat.com>

From-SVN: r196170

2013-02-20  Martin Jambor  <mjambor@suse.cz>

	* ipa-cp.c (initialize_node_lattices): Fix dumping condition.

From-SVN: r196169

2013-02-20  Richard Biener  <rguenther@suse.de>

	* genpreds.c (write_lookup_constraint): Do not compare first
	letter of the constraint again.

From-SVN: r196167

2013-02-20  Richard Biener  <rguenther@suse.de>

	* tree-ssa-loop-ivopts.c (alloc_use_cost_map): Use bitmap_count_bits
	and ceil_log2.
	(get_use_iv_cost): Terminate hashtable walk when coming across
	an empty entry.

From-SVN: r196166

/cp
2013-02-20  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/56373
	* tree.c (maybe_warn_zero_as_null_pointer_constant): Add.
	* cvt.c (ocp_convert): Use the latter.
	(cp_convert_to_pointer): Likewise.
	* decl.c (check_default_argument): Likewise.
	* typeck.c (cp_build_binary_op): Likewise.
	* cp-tree.h (maybe_warn_zero_as_null_pointer_constant): Declare.

/testsuite
2013-02-20  Paolo Carlini  <paolo.carlini@oracle.com>

	PR c++/56373
	* g++.dg/cpp0x/Wzero-as-null-pointer-constant-2.C: New.

From-SVN: r196165

* config/i386/i386.c (initial_ix86_tune_features): Turn on fp
  reassociation for avx2 targets.

From-SVN: r196164