2012-07-06  Tom de Vries  <tom@codesourcery.com>

	PR tree-optimization/52009
	* tree-ssa-tail-merge.c (gimple_equal_p): For GIMPLE_ASSIGN, compare
	value numbers of gimple_vdef.
	* tree-ssa-sccvn.h (vn_reference_insert): Add vdef parameter to
	prototype.
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle MODIFY_EXPR.
	(vn_reference_insert): Add and handle vdef parameter.
	(visit_reference_op_load): Add argument to vn_reference_insert call.
	(visit_reference_op_store): Find value number of vdef of store.  Insert
	value number of vdef of store.

From-SVN: r189321

i386.md (simple lea to add peephole): Also transform RTXes where second PLUS operand matches output.

	* config/i386/i386.md (simple lea to add peephole): Also transform
	RTXes where second PLUS operand matches output.

From-SVN: r189320

	* config/i386/i386.c (construct_plt_address): Make static.
	* config/i386/i386-protos.h (construct_plt_address): Remove.

From-SVN: r189319

	* config/mn10300/mn10300.c (mn10300_encode_section_info): Call
	default_encode_section_info.

From-SVN: r189316

re PR target/53811 (ICE: in insn_default_length, at config/i386/i386.md:529 (unrecognizable insn) with -mcmodel=large)

	PR target/53811
	* config/i386/i386.c (x86_output_mi_thunk): For CM_LARGE_PIC model,
	emit PIC sequence for fnaddr symbol reference in advance.

From-SVN: r189315

	2012-06-14  Eric Botcazou  <ebotcazou@adacore.com>

	* dwarf2out.c (function_possibly_abstracted_p): New static function.
	(gen_subprogram_die): Use it function_possibly_abstracted_p in lieu of
	cgraph_function_possibly_inlined_p.
	(gen_inlined_subroutine_die): Return if the origin is to be ignored.
	(process_scope_var): Do not emit concrete instances of abstracted
	nested functions from here.
	(gen_decl_die): Emit the abstract instance if the function is possibly
	abstracted and not only possibly inlined.
	(dwarf2out_finish): Find the first non-abstract parent instance and
	attach concrete instances on the limbo list to it.

From-SVN: r189311

From-SVN: r189310

	PR c++/53039
	* pt.c (arg_from_parm_pack_p): Go back to using same_type_p or
	cp_tree_equal.

From-SVN: r189305

	* cp-tree.h (TEMPLATE_PARM_NUM_SIBLINGS): Remove.
	(struct template_parm_index_s): Remove num_siblings.
	* pt.c (fixup_template_parms, fixup_template_parm_index): Remove.
	(fixup_template_type_parm_type): Remove.
	(build_template_parm_index): Remove num_siblings parm.
	(process_template_parm): Likewise.
	* parser.c (cp_parser_template_parameter_list): Adjust.
	* tree.c (cp_tree_equal): Don't compare num_siblings.
	* typeck.c (comp_template_parms_position): Likewise.

From-SVN: r189299

	PR c++/50852
	PR c++/53039
	* tree.c (strip_typedefs_expr): New.
	* cp-tree.h: Declare it.
	* pt.c (convert_template_argument, unify): Use it.
	* parser.c (cp_parser_template_declaration_after_export): Don't call
	fixup_template_parms.

From-SVN: r189298

First part of the fix .

From-SVN: r189295

2012-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>

        PR target/49891
        PR target/51980
        * gcc/testsuite/gcc.target/arm/neon/vtrnf32.c: Update.
        * gcc/testsuite/gcc.target/arm/neon/vtrns32.c: Update.
        * gcc/testsuite/gcc.target/arm/neon/vtrnu32.c: Update.
        * gcc/testsuite/gcc.target/arm/neon/vzipf32.c: Update.
        * gcc/testsuite/gcc.target/arm/neon/vzips32.c: Update.
        * gcc/testsuite/gcc.target/arm/neon/vzipu32.c: Update.


2012-07-05  Ramana Radhakrishnan  <ramana.radhakrishnan@linaro.org>
	    Julian Brown  <julian@codesourcery.com>

        PR target/49891
        PR target/51980
        * config/arm/neon-gen.ml (return_by_ptr): Delete.
        (print_function): Handle empty strings.
        (return): Delete use of return_by_ptr.
        (mask_shape_for_shuffle): New function.
        (mask_elems): Likewise.
        (shuffle_fn): Likewise.
        (params): Simplify and remove use of return_by_ptr.
        (get_shuffle): New function.
        (print_variant): Update.
        * config/arm/neon.ml (rev_elems): New function.
        (permute_range): Likewise.
        (zip_range): Likewise.
        (uzip_range): Likewise.
        (trn_range): Likewise.
        (zip_elems): Likewise.
        (uzip_elems): Likewise.
        (trn_elems): Likewise.
        (features): New enumeration Use_shuffle. Delete ReturnPtr.
        (pf_su_8_16): New.
        (suf_32): New.
        (ops): Update entries for Vrev64, Vrev32, Vrev16, Vtr, Vzip, Vuzp.
        * config/arm/arm_neon.h: Regenerate.




Co-Authored-By: Julian Brown <julian@codesourcery.com>

From-SVN: r189294

fortran/
	PR fortran/53732
	* trans-array.c (gfc_add_loop_ss_code): Disable self recursive calls
	handling nested loop(s) if the subscript flag is true.

testsuite/
	PR fortran/53732
	* gfortran.dg/inline_sum_4.f90: New test.

From-SVN: r189292

2012-07-05  Richard Guenther  <rguenther@suse.de>

	* tree-pretty-print.c (dump_generic_node): Properly test
	the result of exact_log2.

From-SVN: r189291

From-SVN: r189289

	* config/s390/s390-protos.h (s390_expand_movmem)
	(s390_expand_cmpmem): Add return value.
	* config/s390/s390.c (s390_expand_movmem, s390_expand_cmpmem):
	Return FALSE to use the library function in some cases.
	* config/s390/s390.md (movmem, cmpmem): Evaluate return value of C
	helper functions.

From-SVN: r189288

2012-07-05  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config.gcc: Enable ifunc attribute by default on s390 and s390x.

From-SVN: r189287

gcc/
	* expr.c (try_casesi): Remove bogus ATTRIBUTE_UNUSED markers.
	* stmt.c (dump_case_nodes): New.
	(expand_case): Split out code generation parts into new functions.
	(expand_switch_as_decision_tree_p): Split out from expand_case.
	(emit_case_decision_tree): Likewise.
	(emit_case_dispatch_table): Likewise.

testsuite/
	* gcc.c-torture/compile/20000326-1.c: Fix to not optimize to empty.

From-SVN: r189285

gcc/testsuite:
	* gcc.target/arm/fma.c: New testcase.
	* gcc.target/arm/fma.h: Likewise.
	* gcc.target/arm/fma-sp.c: Likewise.

From-SVN: r189284

	* gcc/config/arm/iterators.md (SDF): New mode iterator.
	(V_if_elem): Add support for SF and DF modes.
	(V_reg): Likewise.
	(F_constraint): New mode iterator attribute.
	(F_fma_type): Likewise.
	config/arm/vfp.md (fma<SDF:mode>4): New pattern.
	(*fmsub<SDF:mode>4): Likewise.
	(*fmnsub<SDF:mode>4): Likewise.
	(*fmnadd<SDF:mode>4): Likewise.
	* gcc/testsuite/gcc.target/arm/fma-sp.c: New testcase.
	* gcc/testsuite/gcc.target/arm/fma.c: Likewise.
	* gcc/testsuite/gcc.target/arm/fma.h: Likewise.

From-SVN: r189283

	* expmed.c (expand_mult): Initialize coeff and is_neg.

java/ChangeLog:

	* jcf-io.c (read_zip_member): Initialize d_stream.

fortran/ChangLog:

	PR fortran/53449
	* parse.c (gfc_parse_file): Initialize errors_before.

From-SVN: r189281

libgomp.texi (Library Index): Renamed from "Index" to prevent conflict with index.html on case-insensitive...

2012-07-04  Sandra Loosemore <sandra@codesourcery.com>

	libgomp/
	* libgomp.texi (Library Index): Renamed from "Index" to prevent
	conflict with index.html on case-insensitive file systems.

From-SVN: r189278

From-SVN: r189277

From-SVN: r189272

	* config/sh/predicates.md (zero_extend_operand): New predicate.
	* config/sh/sh.md (zero_extendhisi2): Simplify by using new
	zero_extend_operand predicate.
	(zero_extendqisi2): Likewise.

From-SVN: r189269

	PR libstdc++/53830
	* include/std/condition_variable (condition_variable_any::wait):
	Move _Unlock type to class scope.
	(condition_variable_any::wait_until): Reuse it.
	* testsuite/30_threads/condition_variable_any/53830.cc: New.

From-SVN: r189268

	PR c++/53848
	* decl.c (build_enumerator): Don't use build_lang_decl_loc.

From-SVN: r189267

	PR middle-end/53321
	* ipa.c (symtab_remove_unreachable_nodes): Partially revert r187375
	to not call cgraph_propagate_frequency if something was changed.

testsuite/ChangLog:

	PR middle-end/53321
	* g++.dg/torture/pr53321.C: New test.

From-SVN: r189261

2012-07-04  Richard Guenther  <rguenther@suse.de>

	PR middle-end/53433
	* gimple-fold.c (get_base_constructor): Do not return an
	error_mark_node DECL_INITIAL.

From-SVN: r189260

config/
2012-07-04  Tristan Gingold  <gingold@adacore.com>

	* isl.m4 (ISL_CHECK_VERSION): Set to yes if cross-compiling.
	Fix comments.

2012-07-04  Tristan Gingold  <gingold@adacore.com>

	* configure: Regenerate.

From-SVN: r189257

re PR middle-end/53844 (GCC generates suboptimal code for unused members of classes in some cases on multiple targets.)

2012-07-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/53844
	* tree-ssa-dse.c (dse_possible_dead_store_p): Properly handle
	the loop virtual PHI.

	* g++.dg/tree-ssa/pr53844.C: New testcase.

From-SVN: r189256

re PR middle-end/53849 (ICE: in add_referenced_var_1, at tree-dfa.c:567 with -O2 -ftree-parallelize-loops=2 -fno-tree-loop-im)

2012-07-04  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/53849
	* tree-cfg.c (move_stmt_op): Only call add_referenced_var
	for duplicated locals.  Use add_referenced_var_1 to avoid
	pushing/popping cfun.

	* gcc.dg/pr53849.c: New testcase.

From-SVN: r189255

        * config/i386/winnt.c (i386_pe_reloc_rw_mask): New function.
        * config/i386/i386-protos.h (i386_pe_reloc_rw_mask): Add
        prototype.
        * config/i386/cygming.h (TARGET_ASM_RELOC_RW_MASK): Define
        as i386_pe_reloc_rw_mask.

From-SVN: r189254

2012-07-04  Richard Guenther  <rguenther@suse.de>

	* tree.c (find_decls_types_r): Handle TYPE_CONTEXT the same
	as in free_lang_data_in_type.

From-SVN: r189252

2012-07-04  Tobias Grosser <tobias@grosser.es>
	Michael Matz  <matz@suse.de>

	* Makefile.in (OBJS): Add graphite-optimize-isl.o.
	(graphite-optimize-isl.o): Add dependencies.
	* common.opt (floop-nest-optimize): New flag.
	* doc/invoke.texi (floop-nest-optimize): Document.
	* graphite-dependences.c (compute_deps): Export.
	* graphite-poly.h (compute_deps): Declare.
	* graphite-optimize-isl.c: New file.
	* graphite-poly.c (apply_poly_transforms): Run the loop
	nest optimizer.
	* tree-ssa-loop.c (gate_graphite_transforms): Enable graphite
	if -floop-nest-optimize is enabled.

Co-Authored-By: Michael Matz <matz@suse.de>

From-SVN: r189249

2012-07-04  Matthias Klose  <doko@ubuntu.com>

        * testsuite/28_regex/headers/04_header: Remove empty directory.
        * testsuite/28_regex/algorithms/02_match: Likewise.

From-SVN: r189248

From-SVN: r189245

	* config/sh/predicates.md (logical_and_operand): New predicate.
	* config/sh/constraints.md (Jmb, Jmw): New constraints.
	* config/sh/sh.md (andsi3): Move expander above insns.  Add handling
	of 0xFFFF constant.  Use logical_and_operand predicate and
	satisfies_constraint_Jmb, satisfies_constraint_Jmw.
	(*andsi3_compact): Make it an insn_and_split.  Use
	logical_and_operand predicate.  Add Jmb,Jmw alternatives.

From-SVN: r189241

2012-07-03  Paolo Carlini  <paolo.carlini@oracle.com>

	PR libstdc++/53840
	* include/std/ratio (ratio_multiply, ratio_divide, ratio_add,
	ratio_subtract): Use template aliases.
	* include/std/chrono (duration<>::duration(const duration<>&),
	duration_cast): Adjust.
	* testsuite/20_util/ratio/operations/53840.cc: New.
	* testsuite/20_util/duration/requirements/typedefs_neg1.cc: Adjust.
	* testsuite/20_util/duration/requirements/typedefs_neg2.cc: Likewise.
	* testsuite/20_util/duration/requirements/typedefs_neg3.cc: Likewise.
	* testsuite/20_util/ratio/operations/ops_overflow_neg.cc: Likewise.

From-SVN: r189239

	PR c++/53826
	* tree.c (build_zero_cst): Handle NULLPTR_TYPE.

From-SVN: r189238