2010-04-20  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (do_sd_constraint): Add edges only
	from vars that can have pointers.
	(process_constraint): Dump useless constraints.

From-SVN: r158558

2010-04-20  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-structalias.c (do_structure_copy): Properly handle
	DEREF.
	(dump_sa_points_to_info): Remove asserts.
	(init_base_vars): nothing_id isn't an escape point nor does it
	have pointers.

	* gcc.dg/ipa/ipa-pta-14.c: New testcase.

From-SVN: r158553

	* configure.ac (BUILD_CONFIG): Redirect output to /dev/null.
	* configure: Regenerate.

From-SVN: r158550

From-SVN: r158543

	* tree.h (TYPE_REF_IS_RVALUE): Define.
	* dwarf2out.c (attr_checksum_ordered, is_type_die, is_comdat_die,
	should_move_die_to_comdat, prune_unused_types_walk): Handle
	DW_TAG_rvalue_reference_type like DW_TAG_reference_type.
	(modified_type_die, gen_reference_type_die): Emit
	DW_TAG_rvalue_reference_type instead of DW_TAG_reference_type
	if TYPE_REF_IS_RVALUE and -gdwarf-4.

	* cp-tree.h (TYPE_REF_IS_RVALUE): Remove.

	* g++.dg/debug/dwarf2/rv1.C: New test.

From-SVN: r158542

2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR target/43635
	* config/s390/s390.c (s390_emit_call): Turn direct into indirect
	calls for -fpic -m31 if they have been sibcall optimized.

2010-04-20  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	PR target/43635
	* gcc.c-torture/compile/pr43635.c: New testcase.

From-SVN: r158540

partial fix, make all 'e' class regs fixed
PR rtl-optimization/43520
* config/ia64/ia64.h (FIXED_REGISTERS, CALL_USED_REGISTERS): Make
ar.lc fixed and call-used.

From-SVN: r158539

* config/ia64/ia64.c (TARGET_INVALID_WITHIN_DOLOOP): Define.

From-SVN: r158538

From-SVN: r158537

	* opts.c (decode_options): Disable whpr incompatible passes.
	* lto/lto.c (lto_1_to_1_map): Skip clones.
	(read_cgraph_and_symbols): Do not mark everything as needed.
	(do_whole_program_analysis): Do map only after optimizing;
	set proper cgraph_state; use passmanager.

From-SVN: r158533

* cfgexpand.c (expand_debug_expr): Check for mismatched modes in
POINTER_PLUS_EXPR and fix them.

From-SVN: r158532

2010-04-19  Eric B. Weddington  <eric.weddington@atmel.com>

	* config/avr/avr-devices.c (avr_mcu_types): Add support for new
	devices atmega644pa, attiny2313a, attiny24a, attiny261a, attiny4313,
	attiny44a, attiny861a, atmega16a, atmega168a, atmega164a, atmega165a,
	atmega169a, atmega169pa, atmega16hva2, atmega324a, atmega324pa,
	atmega325a, atmega3250a, atmega328, atmega329a, atmega329pa,
	atmega3290a, atmega48a, atmega644a, atmega645a, atmega645p,
	atmega6450a, atmega6450p, atmega649a, atmega649p, atmega6490a,
	atmega6490p, atmega64hve, atmega88a, atmega88pa, attiny461a, attiny84a,
	m3000. Remove support for devices atmega8m1, atmega8c1, atmega16c1,
	atmega4hvd, atmega8hvd, attiny327, m3000f, m3000s, m3001b.
	* config/avr/t-avr.c (MULTILIB_MATCHES): Same.

From-SVN: r158530

	* ifcvt.c (noce_try_cmove_arith): Fix long lines.
	(check_cond_move_block): Likewise.
	(cond_move_process_if_block): Likewise.
	(noce_find_if_block): Improve formatting.
	(find_if_header): Pass 0 to memset and tweak conditions.
	(cond_exec_find_if_block): Fix long lines and tweak conditions.

From-SVN: r158529

	PR fortran/43339
	* openmp.c (gfc_resolve_do_iterator): Only make iteration vars for
	sequential loops private in the innermost containing task region.

	* gfortran.dg/gomp/sharing-2.f90: Adjust for iteration vars
	of sequential loops being private only in the innermost containing
	task region.

From-SVN: r158528

	PR middle-end/43337
	* tree-nested.c (convert_nonlocal_omp_clauses): OMP_CLAUSE_PRIVATE
	with non-local decl doesn't need chain.

	* gfortran.dg/gomp/pr43337.f90: New test.

From-SVN: r158527

	* dwarf2out.c (lower_bound_default): For DW_LANG_Python return
	0 for -gdwarf-4.

From-SVN: r158526

ira-color.c (allocno_reload_assign): Avoid accumulating reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.

        * ira-color.c (allocno_reload_assign): Avoid accumulating
        reload registers in ALLOCNO_TOTAL_CONFLICT_HARD_REGS.

From-SVN: r158524

2010-04-19  Martin Jambor  <mjambor@suse.cz>

	* gimple.h (create_tmp_reg): Declare.
	* gimplify.c (create_tmp_reg): New function.
	(gimplify_return_expr): Use create_tmp_reg.
	(gimplify_omp_atomic): Likewise.
	(gimple_regimplify_operands): Likewise.
	* tree-dfa.c (make_rename_temp): Likewise.
	* tree-predcom.c (predcom_tmp_var): Likewise.
	(reassociate_to_the_same_stmt): Likewise.
	* tree-sra.c (replace_uses_with_default_def_ssa_name): Likewise.
	(get_replaced_param_substitute): Likewise.
	* tree-ssa-phiprop.c (phiprop_insert_phi): Likewise.
	* tree-ssa-phiopt.c (cond_store_replacement): Likewise.
	* tree-ssa-pre.c (get_representative_for): Likewise.
	(create_expression_by_pieces): Likewise.
	* tree-tailcall.c (adjust_return_value_with_ops): Likewise.
	(create_tailcall_accumulator): Likewise.

From-SVN: r158523

2010-04-19  Martin Jambor  <mjambor@suse.cz>

	* cgraphunit.c (cgraph_redirect_edge_call_stmt_to_callee): Update
	new_stmt.
	(cgraph_materialize_all_clones): Assert	!need_ssa_update_p.

From-SVN: r158522

re PR middle-end/43796 (ICE in is_overflow_infinity (tree-vrp.c:184) with gfortran -fcheck=bounds -O2)

2010-04-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43796
	* tree-vrp.c (adjust_range_with_scev): Lookup init and step
	from SCEV in the lattice.
	(vrp_visit_phi_node): Dump change.

	* gfortran.dg/pr43796.f90: New testcase.

From-SVN: r158520

2010-04-19  Richard Guenther  <rguenther@suse.de>

	* configure.ac: Fix quoting around elf_getshstrndx ABI check.
	* configure: Re-generated.

From-SVN: r158519

2010-04-19  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/43783
	* tree-ssa-pre.c (create_component_ref_by_pieces_1): Drop
	constant ARRAY_REF operands two and three if possible.

	* gcc.c-torture/execute/pr43783.c: New testcase.

From-SVN: r158517

	PR target/43766
	* config/i386/i386.c (ix86_decompose_address): Handle ASHIFT addends.

testsuite/ChangeLog:

	PR target/43766
	* gcc.target/i386/pr43766.c: New test.

From-SVN: r158515

gcc/po:
	* zh_CN.po: Update.

libcpp/po:
	* zh_CN.po: Update.

From-SVN: r158512

	PR target/43662
	* reginfo.c (reinit_regs): Set caller_save_initialized_p
	to false.

	testsuite/
	PR target/43662
	* gcc.target/i386/pr43662.c: New test.

From-SVN: r158509

re PR c++/43704 (ICE: tree check: accessed elt 2 of tree_vec with 1 elts in tsubst, at cp/pt.c:10074)

Fix PR c++/43704

gcc/cp/ChangeLog:
	PR c++/43704
	* typeck.c (structural_comptypes): Test dependent typedefs
	incompatibility before testing for their main variant based
	equivalence.

gcc/testsuite/ChangeLog:
	PR c++/43704
	* g++.dg/template/typedef32.C: New test.

From-SVN: r158508

	PR tree-optimization/37027
	* tree-vectorizer.h (struct _loop_vec_info): Add new field reductions 
	and macro to access it.
	(vectorizable_reduction): Add argument.
	(vect_get_slp_defs): Likewise.
	* tree-vect-loop.c (vect_analyze_scalar_cycles_1): Collect reduction
	statements for possible use in SLP.
	(new_loop_vec_info): Initialize LOOP_VINFO_REDUCTIONS.
	(destroy_loop_vec_info): Free LOOP_VINFO_REDUCTIONS.
	(vect_create_epilog_for_reduction): Handle SLP. Modify documentation,
	add new argument.
	(vectorizable_reduction): Likewise.
	* tree-vect-stmts.c (vect_get_vec_defs): Update call to 
	vect_get_slp_defs.
	(vectorizable_type_demotion, vectorizable_type_promotion,
	vectorizable_store): Likewise.
	(vect_analyze_stmt): Update call to vectorizable_reduction.
	(vect_transform_stmt): Likewise.
	* tree-vect-slp.c (vect_get_and_check_slp_defs): Handle reduction.
	(vect_build_slp_tree): Fix indentation. Check that there are no loads
	from different interleaving chains in same node.
	(vect_slp_rearrange_stmts): New function.
	(vect_supported_load_permutation_p): Allow load permutations for 
	reductions. Call vect_slp_rearrange_stmts() to rearrange statements
	inside SLP nodes if necessary.
	(vect_analyze_slp_instance): Handle reductions.
	(vect_analyze_slp): Try to build SLP instances originating from groups
	of reductions.
	(vect_detect_hybrid_slp_stmts): Skip reduction statements.
	(vect_get_constant_vectors): Create initial vectors for reductions
	according to reduction code. Add new argument.
	(vect_get_slp_defs): Add new argument, pass it to 
	vect_get_constant_vectors.
	(vect_schedule_slp_instance): Remove SLP tree root statements.

From-SVN: r158506

	* tree.h (ENUM_IS_SCOPED): Define.
	* dwarf2out.c (gen_enumeration_type_die): Add DW_AT_enum_class
	for ENUM_IS_SCOPED enums.
cp/
	* cp-tree.h (SCOPED_ENUM_P, UNSCOPED_ENUM_P, SET_SCOPED_ENUM_P): Use
	ENUM_IS_SCOPED bit instead of TYPE_LANG_FLAG_5.
testsuite/
	* g++.dg/debug/dwarf2/enum1.C: New test.

From-SVN: r158505

From-SVN: r158501

2010-04-18  Eric Botcazou  <ebotcazou@adacore.com>

	* fold-const.c (fold_comparison): Use ssizetype.
	* gimple-fold.c (maybe_fold_offset_to_array_ref): Likewise.
	* ipa-prop.c (ipa_modify_call_arguments): Use sizetype.
	* tree-loop-distribution.c (build_size_arg_loc): Likewise.
	* tree-object-size.c (compute_object_sizes): Use size_type_node.

	* tree.h (initialize_sizetypes): Remove parameter.
	(build_common_tree_nodes): Remove second parameter.
	* stor-layout.c (initialize_sizetypes): Remove parameter.
	Always create an unsigned type.
	(set_sizetype): Assert that the passed type is unsigned and simplify.
	* tree.c (build_common_tree_nodes): Remove second parameter.
	Adjust call to initialize_sizetypes.
	* c-decl.c (c_init_decl_processing): Remove second argument in call to
	build_common_tree_nodes.
cp/
	* decl.c (cxx_init_decl_processing): Remove second argument in call to
	build_common_tree_nodes.
java/
	* decl.c (java_init_decl_processing): Remove argument in call to
	initialize_sizetypes
fortran/
	* f95-lang.c (gfc_init_decl_processing): Remove second argument in call
	to build_common_tree_nodes.
ada/
	* gcc-interface/misc.c (gnat_init): Remove second argument in call to
	build_common_tree_nodes.
lto/
	* lto-lang.c (lto_init): Remove second argument in call to
	build_common_tree_nodes.

From-SVN: r158496

2010-04-18  Matthias Klose  <doko@ubuntu.com>

        * gcc.c (main): Search for liblto_plugin.so with mode R_OK.

From-SVN: r158494

	* gnat.dg/rep_clause5.ad[sb]: New test.
	* gnat.dg/rep_clause5_pkg.ads: New helper.

From-SVN: r158488

From-SVN: r158485

	PR tree-optimization/43771
	* tree-vect-slp.c (vect_supported_load_permutation_p): Check that
	load permutation doesn't have gaps.

From-SVN: r158484

	* i386.md (UNSPEC_SSE_PROLOGUE_SAVE_LOW): New.
	(sse_prologue_save_insn expander): Use new pattern.
	(sse_prologue_save_insn1): New pattern and splitter.
	(sse_prologue_save_insn): Update to deal also with 64bit aligned
	blocks.
	* i386.c (setup_incoming_varargs_64): Do not compute jump destination here.
	(ix86_gimplify_va_arg): Update alignment needed.
	(ix86_local_alignment): Do not align all local arrays
	to 128bit.

From-SVN: r158483

2010-04-18  Ozkan Sezer  <sezeroz@gmail.com>

        * gsocket.h: Make sure that winsock2.h is included before windows.h.

From-SVN: r158482

From-SVN: r158481

From-SVN: r158477

2010-04-17  Steven G. Kargl  <kargl@gcc.gnu.org>

   PR fortran/31538
   * gfortran.dg/bounds_check_fail_4.f90: Adjust error message.
   * gfortran.dg/bounds_check_fail_3.f90: Ditto.

2010-04-17  Steven G. Kargl  <kargl@gcc.gnu.org>

   PR fortran/31538
   * fortran/trans-array.c (gfc_conv_ss_startstride): Remove the use of
   gfc_msg_bounds by using 'Array bound mismatch' directly.
   (gfc_trans_dummy_array_bias):  Remove the use of gfc_msg_bounds.  Reword
   error message to include the mismatch in the extent of array bound.
   * fortran/trans.c: Remove gfc_msg_bounds.  It is only used in one place.
   * fortran/trans.h: Remove extern definition of gfc_msg_bounds.

From-SVN: r158474

2010-04-17  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	* gfortran.texi: Update information on temporary file locations.

From-SVN: r158473