* tree-ssa-live.c (remove_unused_scope_block_p): Remove set but
	unused variable "ann".
	(remove_unused_locals): Likewise.

	* tree-ssa-copy.c (propagate_tree_value_into_stmt): Remove useless
	statement.

	* cfglayout.c (fixup_reorder_chain): Do not dereference E_FALL
	after it is freed.

From-SVN: r171408

From-SVN: r171407

From-SVN: r171406

2011-03-24  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/s390.c (s390_preferred_reload_class): Return NO_REGS
	for invalid symbolic addresses.
	(s390_secondary_reload): Don't use s390_check_symref_alignment for
	larl operands.

From-SVN: r171405

2011-03-24  Steve Ellcey  <sje@cup.hp.com>

	PR target/48209
	* gcc.c-torture/execute/pr47917.c: Move this...
	* gcc.dg/torture/pr47917.c: to here and add xfails.

From-SVN: r171404

fold-const.c (fold_ternary_loc): Preserve the location (if any) of the argument in calls to fold_truth_not_expr.

	* fold-const.c (fold_ternary_loc): Preserve the location (if any) of
	the argument in calls to fold_truth_not_expr.

From-SVN: r171403

	* einfo.ads (Size_Depends_On_Discriminant): Adjust description.
	* layout.adb (Compute_Size_Depends_On_Discriminant): New procedure
	to compute Set_Size_Depends_On_Discriminant.
	(Layout_Type): Call it on array types in back-end layout mode.
	* sem_util.adb (Requires_Transient_Scope): Return true for array
	types only if the size depends on the value of discriminants.
	* gcc-interface/utils2.c (build_binary_op) <MODIFY_EXPR>: Use the RHS
	type if the RHS is a call to a function that returns an unconstrained
	type with default discriminant.

From-SVN: r171402

2011-03-22  Paolo Carlini  <paolo.carlini@oracle.com>

	* testsuite/21_strings/basic_string/cons/char/moveable2.cc: Tweak
	Copyright years.
	* testsuite/21_strings/basic_string/cons/wchar_t/moveable2.cc:
	Likewise.

From-SVN: r171401

	* tree.c (record_node_allocation_statistics): New function.
	(make_node_stat, copy_node_stat, build_string): Call it.
	(make_tree_binfo_stat, make_tree_vec_stat, tree_cons_stat): Likewise.
	(build1_stat, build_omp_clause): Likewise.

From-SVN: r171399

trans.c (gnat_to_gnu): Remove obsolete case of non-conversion to the nominal result type at the end.

	* gcc-interface/trans.c (gnat_to_gnu): Remove obsolete case of
	non-conversion to the nominal result type at the end.

From-SVN: r171398

gcc/
	* builtins.c (expand_movstr): Fix endp == 1 adjustment after
	last commit.

From-SVN: r171397

re PR tree-optimization/48271 (ICE: SIGSEGV in tree_ssa_dominator_optimize (tree-ssa-dom.c:2964) with -O -ftree-vrp -fno-guess-branch-probability -fnon-call-exceptions)

2011-03-24  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48271
	* tree-ssa-dom.c (tree_ssa_dominator_optimize): Only cleanup
	blocks that still exist.

	* g++.dg/torture/pr48271.C: New testcase.

From-SVN: r171395

2011-03-24  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/48270
	* tree-ssa-phiopt.c (cond_if_else_store_replacement): Do
	not free datarefs before ddrs.

From-SVN: r171394

tree-sra.c (build_ref_for_offset): Strip useless type conversions from the address built for a reference with...

	* tree-sra.c (build_ref_for_offset): Strip useless type conversions
	from the address built for a reference with variable offset.

From-SVN: r171393

re PR target/48237 (ICE: in final_scan_insn, at final.c:2651 with -fselective-scheduling2 -mtune=core2)

	PR target/48237
	* config/i386/i386.md (*movdf_internal_rex64): Do not split
	alternatives that can be handled with movq or movabsq insn.
	(*movdf_internal): Disable for !TARGET_64BIT.
	(*movdf_internal_nointeger): Ditto.
	* config/i386/i386.c (ix86_print_operand): Handle DFmode immediates.

testsuite/ChangeLog:

	PR target/48237
	* gcc.target/i386/pr48237.c: New test.

From-SVN: r171391

	* configure.ac (ppc*-*-pe): Remove host case.
	(strongarm-*-coff | xscale-*-coff, strongarm-*-elf* |
	xscale-*-elf*, thumb-*-coff, thumb-*-elf, thumb-*-pe, ep9312-*-elf
	| ep9312-*-coff, parisc*64*-*-linux*, ppc*-*-pe): Remove target
	cases.
	* configure: Regenerate.

From-SVN: r171390

	* system.h (FUNCTION_ARG, FUNCTION_INCOMING_ARG): Poison.
	(FUNCTION_ARG_ADVANCE): Likewise.
	* tm.texi.in: Change references to them to hook references.
	* tm.texi: Regenerate.
	* targhooks.c (default_function_arg): Eliminate check for target
	macro.
	(default_function_incoming_arg): Likewise.
	(default_function_arg_advance): Likewise.
	* target.def (function_arg, function_incoming_arg): Change to
	DEFHOOK.
	(function_arg_advance): Likewise.
	* target-def.h: Eliminate FUNCTION_INCOMING_ARG check.

From-SVN: r171389

2011-03-24  Richard Guenther  <rguenther@suse.de>

	PR middle-end/48269
	* tree-object-size.c (addr_object_size): Do not double-account
	for MEM_REF offsets.

	* gcc.dg/builtin-object-size-10.c: New testcase.

From-SVN: r171388

	* lto-opts.c (input_data_block): Move to lto-streamer-in.c.
	* lto-streamer-in.c (input_string_internal): Add clarifying
	comments.
	(lto_input_data_block): Move from lto-opts.c.  Make extern.
	Update all users.
	(lto_input_string): Rename from input_string.  Make extern.
	Update all users.
	* lto-streamer-out.c (lto_output_string_with_length): Rename from
	output_string_with_length.
	Output 0 to indicate a non-NULL string.  Update all callers to
	not emit 0.
	(lto_output_string): Rename from output_string.  Make extern.
	Update all users.
	(lto_output_decl_state_streams): Make extern.
	(lto_output_decl_state_refs): Make extern.
	* lto-streamer.h (lto_input_string): Declare.
	(lto_input_data_block): Declare.
	(lto_output_string): Declare.
	(lto_output_string_with_length): Declare.
	(lto_output_decl_state_streams): Declare.
	(lto_output_decl_state_refs): Declare.

From-SVN: r171387

2011-03-24  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/46562
	* tree.c (build_invariant_address): New function.
	* tree.h (build_invariant_address): Declare.
	* tree-dfa.c (get_addr_base_and_unit_offset): Wrap around
	a renamed function moved ...
	* tree-flow-inline.h (get_addr_base_and_unit_offset_1): ... here.
	Take valueization callback parameter.
	* tree-flow.h (gimple_fold_stmt_to_constant): Declare.
	* gimple-fold.h: New file.
	* tree-ssa-ccp.c (ccp_fold): Use gimple_fold_stmt_to_constant_1.
	(ccp_fold, fold_const_aggregate_ref,
	fold_ctor_reference, fold_nonarray_ctor_reference,
	fold_array_ctor_reference, fold_string_cst_ctor_reference,
	get_base_constructor): Move ...
	* gimple-fold.c: ... here.
	(gimple_fold_stmt_to_constant_1): New function
	split out from ccp_fold.  Take a valueization callback parameter.
	Valueize all operands.
	(gimple_fold_stmt_to_constant): New wrapper function.
	(fold_const_aggregate_ref_1): New function split out from
	fold_const_aggregate_ref.  Take a valueization callback parameter.
	(fold_const_aggregate_ref): Wrap fold_const_aggregate_ref_1.
	* tree-ssa-sccvn.c (simplify_binary_expression): Simplify
	invariant POINTER_PLUS_EXPRs to invariant form.
	(vn_valueize): New function.
	(try_to_simplify): Simplify by using gimple_fold_stmt_to_constant.
	* tree-vrp.c (vrp_valueize): New function.
	(vrp_visit_assignment_or_call): Use gimple_fold_stmt_to_constant
	to fold statements to constants.
	* tree-ssa-pre.c (eliminate): Properly guard propagation of
	function declarations.
	* Makefile.in (tree-ssa-sccvn.o, tree-vrp.o, gimple-fold.o,
	tree-ssa-ccp.o): Add gimple-fold.h dependencies.

	* c-c++-common/pr46562-2.c: New testcase.
	* c-c++-common/pr46562.c: Likewise.

From-SVN: r171386

From-SVN: r171385

gcc/
	* config/h8300/predicates.md (jump_address_operand): Fix register
	mode check.

From-SVN: r171384

	* config/abi/post/solaris2.8/baseline_symbols.txt: Regenerate.
	* config/abi/post/solaris2.8/sparcv9/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.10/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.10/amd64/baseline_symbols.txt: Likewise.
	* config/abi/post/solaris2.10/sparcv9/baseline_symbols.txt: Likewise.

From-SVN: r171382

        * doc/invoke.texi (max-stores-to-sink): Document.
        * params.h (MAX_STORES_TO_SINK): Define.
        * opts.c (finish_options): Set MAX_STORES_TO_SINK to 0
        if either vectorization or if-conversion is disabled.
        * tree-data-ref.c (dr_equal_offsets_p1): Moved and renamed from
        tree-vect-data-refs.c vect_equal_offsets.
        (dr_equal_offsets_p): New function.
        (find_data_references_in_bb): Remove static.
        * tree-data-ref.h (find_data_references_in_bb): Declare.
        (dr_equal_offsets_p): Likewise.
        * tree-vect-data-refs.c (vect_equal_offsets): Move to
        tree-data-ref.c.
        (vect_drs_dependent_in_basic_block): Update calls to
        vect_equal_offsets.
        (vect_check_interleaving): Likewise.
        * tree-ssa-phiopt.c: Include cfgloop.h and tree-data-ref.h.
        (cond_if_else_store_replacement): Rename to...
        (cond_if_else_store_replacement_1): ... this.  Change arguments
        and documentation.
        (cond_if_else_store_replacement): New function.
        * Makefile.in (tree-ssa-phiopt.o): Adjust dependencies.
        * params.def (PARAM_MAX_STORES_TO_SINK): Define.

From-SVN: r171381

From-SVN: r171380

2011-03-23  Chung-Lin Tang  <cltang@codesourcery.com>

	PR target/46934
	* config/arm/arm.md (casesi): Use the gen_int_mode() function
	to subtract lower bound instead of GEN_INT().

	testsuite/
	* gcc.target/arm/pr46934.c: New.

From-SVN: r171379

2011-03-23  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR libgfortran/48030
	* io/read.c (read_x): Re-implement using fbuf_getc.

From-SVN: r171378

From-SVN: r171377

From-SVN: r171376

Don't do anything special if we don't use the value of <-c.
Fix sending an untyped constant in a select statement.

From-SVN: r171371

From-SVN: r171370

Calling close on a closed channel panics.
Don't limit number of receives on a closed channel.

From-SVN: r171364

From-SVN: r171362

From-SVN: r171361

2011-03-23  Jonathan Wakely  <jwakely.gcc@gmail.com>

	PR other/48179
	PR other/48221
	PR other/48234
	* doc/extend.texi (Alignment): Move section to match order in TOC.
	* doc/invoke.texi (i386 and x86-64 Windows Options): Likewise.
	(Warning Options): Adjust -Wno-cpp summary and remove stray backslash.

From-SVN: r171359

	* cfg.c (redirect_edge_succ_nodup): Duplicate the varm map
	before removing the edge.

	* cfgrtl.c (cfg_layout_redirect_edge_and_branch): Do not use E after
	it may have been freed by redirect_branch_edge or
	redirect_edge_succ_nodup.

From-SVN: r171356

2011-03-23  Richard Guenther  <rguenther@suse.de>

	* tree-stdarg.c (va_list_counter_bump): Handle bumps via
	MEM_REF.
	(check_va_list_escapes): Likewise.
	(check_all_va_list_escapes): Likewise.

From-SVN: r171353

2011-03-23  Richard Guenther  <rguenther@suse.de>

	* Makefile.in (IPA_TYPE_ESCAPE_H): Remove.
	(OBJS-archive): Remove ipa-struct-reorg.o and ipa-type-escape.o.
	(tree-ssa-alias.o): Do not depend on IPA_TYPE_ESCAPE_H.
	(alias.o): Likewise.
	(ipa-type-escape.o): Remove.
	(ipa-struct-reorg.o): Likewise.
	(GTFILES): Remove ipa-struct-reorg.c.
	* alias.c: Do not include ipa-type-escape.h.
	* tree-ssa-alias.c: Likewise.
	* common.opt (fipa-struct-reorg): Preserve for backward compatibility.
	* opts.c (finish_options): Do not reset flag_ipa_struct_reorg.
	* passes.c (init_optimization_passes): Remove ipa-struct-reorg
	and ipa-type-escape passes.
	* tree-pass.h (pass_ipa_type_escape): Remove.
	(pass_ipa_struct_reorg): Likewise.
	* ipa-struct-reorg.h: Remove.
	* ipa-struct-reorg.c: Likewise.
	* ipa-type-escape.h: Likewise.
	* ipa-type-escape.c: Likewise.
	* doc/invoke.texi (-fipa-struct-reorg): Remove.
	(--param struct-reorg-cold-struct-ratio): Likewise.
	* params.def (PARAM_STRUCT_REORG_COLD_STRUCT_RATIO): Likewise.
	* params.h (STRUCT_REORG_COLD_STRUCT_RATIO): Likewise.
	* timevar.def (TV_IPA_TYPE_ESCAPE): Likewise.

	* gcc.dg/struct: Remove directory and contents.

From-SVN: r171352

2010-03-23  Rafael Ávila de Espíndola <respindola@mozilla.com>

	* plugin-api.h (ld_plugin_get_view): New.
	(ld_plugin_tag): Add LDPT_GET_VIEW.
	(ld_plugin_tv): Add tv_get_view.

From-SVN: r171351

2011-03-23  Andreas Krebbel  <Andreas.Krebbel@de.ibm.com>

	* config/s390/2084.md: Enable all insn reservations also for z9_ec
	cpu attribute value.
	* config/s390/s390-opts.h (enum s390_arch_option): Remove.
	(enum processor_type): Add PROCESSOR_2094_Z9_EC.
	* config/s390/s390.c (processor_flags_table): New constant array.
	(s390_handle_arch_option): Remove.
	(s390_handle_option): Remove s390_handle_arch_option invocations
	and OPT_mwarn_framesize_ handling.
	(s390_option_override): Remove s390_handle_arch_option invocation.
	(s390_emit_prologue): Remove use of HOST_WIDE_INT_PRINT_DEC in
	warnings.
	* config/s390/s390.md (cpu attribute): Add z9_ec value.
	* config/s390/s390.opt (s390_tune, s390_arch)
	(march=): Replace s390_arch_option enum and values with
	processor_type.  Set variable name to s390_arch.  Set
	initialization value.
	(mtune=): Replace s390_arch_option with processor_type.  Set
	variable name to s390_tune.  Set initialization value.

From-SVN: r171350