PR rtl-optimization/40956
	PR target/42495
	PR middle-end/42574
	* gcc.target/arm/pr40956.c, gcc.target/arm/pr42495.c,
	* gcc.target/arm/pr42574.c: Add tests.

From-SVN: r162600

	* config/arm/arm.c (params.h): Include.
	(arm_override_options): Tune gcse-unrestricted-cost.
	* config/arm/t-arm (arm.o): Define dependencies.

From-SVN: r162598

	PR target/42495
	PR middle-end/42574
	* basic-block.h (get_dominated_to_depth): Declare.
	* dominance.c (get_dominated_to_depth): New function, use
	get_all_dominated_blocks as a base.
	(get_all_dominated_blocks): Use get_dominated_to_depth.

	* gcse.c (occr_t, VEC (occr_t, heap)): Define.
	(hoist_exprs): Remove.
	(alloc_code_hoist_mem, free_code_hoist_mem): Update.
	(compute_code_hoist_vbeinout): Add debug print outs.
	(hoist_code): Partially rewrite, simplify.  Use get_dominated_to_depth.

	* params.def (PARAM_MAX_HOIST_DEPTH): New parameter to avoid
	quadratic behavior.
	* params.h (MAX_HOIST_DEPTH): New macro.
	* doc/invoke.texi (max-hoist-depth): Document.

From-SVN: r162597

	PR rtl-optimization/40956
	* config/arm/arm.c (thumb1_size_rtx_costs): Fix cost of simple
	constants.

From-SVN: r162596

	PR target/42495
	PR middle-end/42574
	* config/arm/arm.c (legitimize_pic_address): Use
	gen_calculate_pic_address pattern to emit calculation of PIC address.
	(will_be_in_index_register): New function.
	(arm_legitimate_address_outer_p, thumb2_legitimate_address_p,)
	(thumb1_legitimate_address_p): Use it provided !strict_p.
	* config/arm/arm.md (calculate_pic_address): New expand and split.

From-SVN: r162595

	PR target/42495
	PR middle-end/42574
	* config/arm/arm.c (thumb1_size_rtx_costs): Add cost for "J" constants.
	* config/arm/arm.md (define_split "J", define_split "K"): Make
	IRA/reload friendly.

From-SVN: r162594

	* gcse.c (insert_insn_end_basic_block): Update signature, remove
	unused checks.
	(pre_edge_insert, hoist_code): Update.

From-SVN: r162593

	PR target/42495
	PR middle-end/42574
	* gcse.c (hoist_expr_reaches_here_p): Remove excessive check.

From-SVN: r162592

From-SVN: r162591

	PR rtl-optimization/40956
	PR target/42495
	PR middle-end/42574
	* gcse.c (compute_code_hoist_vbeinout): Consider more expressions
	for hoisting.
	(hoist_code): Count occurences in current block too.

From-SVN: r162590

	* gcse.c (struct expr:max_distance): New field.
	(doing_code_hoisting_p): New static variable.
	(want_to_gcse_p): Change signature.  Allow constrained hoisting of
	simple expressions, don't change behavior for PRE.  Set max_distance.
	(insert_expr_in_table): Set new max_distance field.
	(hash_scan_set): Update.
	(hoist_expr_reaches_here_p): Stop search after max_distance
	instructions.
	(find_occr_in_bb): New static function.  Use it in ...
	(hoist_code): Calculate sizes of basic block before any changes are
	done.  Pass max_distance to hoist_expr_reaches_here_p.
	(one_code_hoisting_pass): Set doing_code_hoisting_p.

	* params.def (PARAM_GCSE_COST_DISTANCE_RATIO,)
	(PARAM_GCSE_UNRESTRICTED_COST): New parameters.
	* params.h (GCSE_COST_DISTANCE_RATIO, GCSE_UNRESTRICTED_COST): New
	macros.
	* doc/invoke.texi (gcse-cost-distance-ratio, gcse-unrestricted-cost):
	Document.

From-SVN: r162589

	* gcse.c (compute_transpout, transpout): Remove, move logic
	to prune_expressions.
	(compute_pre_data): Move pruning of trapping expressions ...
	(prune_expressions): ... here.  New static function.
	(compute_code_hoist_data): Use it.
	(alloc_code_hoist_mem, free_code_hoist_mem, hoist_code): Update.

Co-Authored-By: Maxim Kuvyrkov <maxim@codesourcery.com>

From-SVN: r162588

From-SVN: r162587

	* dbgcnt.def (hoist_insn): New debug counter.
	* gcse.c (hoist_code): Use it.

From-SVN: r162586

From-SVN: r162585

From-SVN: r162584

	* lib/gcc-dg.exp (cleanup-coverage-files): Remove options from
	test name.
	(cleanup-repo-files): Ditto.
	(cleanup-saved-temps): Ditto.

From-SVN: r162583

	PR target/44542
	* cfgexpand.c (expand_one_stack_var_at): Limit align to maximum
	of max_used_stack_slot_alignment and PREFERRED_STACK_BOUNDARY
	instead of MAX_SUPPORTED_STACK_ALIGNMENT.
	(expand_one_var): Don't consider DECL_ALIGN for variables for
	which expand_one_stack_var_at has been already called.

From-SVN: r162582

	PR testsuite/44701
	* doc/md.texi: Clarify m and es constraints on PowerPC and m and S
	constraints on IA-64.

	* gcc.target/powerpc/asm-es-2.c (f2): Add <> constraints.

From-SVN: r162581

2010-07-27  Paolo Carlini  <paolo.carlini@oracle.com>

	* acinclude.m4 ([GLIBCXX_COMPUTE_STDIO_INTEGER_CONSTANTS]): Fix
	messages.
	* configure: Regenerate.

From-SVN: r162580

	PR target/44290
	Revert
	2010-07-23  Jie Zhang  <jie@codesourcery.com>
	* tree-sra.c (ipa_sra_preliminary_function_checks): Return
	false if ! tree_versionable_function_p.

From-SVN: r162579

2010-07-27  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/ext/vstring_util.h: Include bits/range_access.h.
	* testsuite/ext/vstring/range_access.cc: New test.

2010-07-27  Ed Smith-Rowland  <3dw4rd@verizon.net>

	* include/bits/range_access.h: New.
	* include/Makefile.in: Add bits/range_access.h.
	* include/Makefile.am: Regenerate.
	* include/std/array: Include bits/range_access.h.
	* include/std/deque: Ditto.
	* include/std/forward_list: Ditto.
	* include/std/iterator: Ditto.
	* include/std/list: Ditto.
	* include/std/map: Ditto.
	* include/std/regex: Ditto.
	* include/std/set: Ditto.
	* include/std/string: Ditto.
	* include/std/unordered_map: Ditto.
	* include/std/unordered_set: Ditto.
	* include/std/vector: Ditto.
	* include/std/valarray: Add begin() and end().
	* libsupc++/initializer_list: Ditto.
	* include/tr1_impl/utility: Add begin() and end().
	* include/std/tuple: Ditto.
	* testsuite/24_iterators/headers/iterator/range_access.cc: New test.
	* testsuite/24_iterators/range_access.cc: Ditto.
	* testsuite/28_regex/range_access.cc: Ditto.
	* testsuite/18_support/initializer_list/range_access.cc: Ditto.
	* testsuite/21_strings/basic_string/range_access.cc: Ditto.
	* testsuite/26_numerics/valarray/range_access.cc: Ditto.
	* testsuite/23_containers/unordered_map/range_access.cc: Ditto.
	* testsuite/23_containers/multimap/range_access.cc: Ditto.
	* testsuite/23_containers/set/range_access.cc: Ditto.
	* testsuite/23_containers/unordered_multimap/range_access.cc: Ditto.
	* testsuite/23_containers/forward_list/range_access.cc: Ditto.
	* testsuite/23_containers/unordered_set/range_access.cc: Ditto.
	* testsuite/23_containers/vector/range_access.cc: Ditto.
	* testsuite/23_containers/deque/range_access.cc: Ditto.
	* testsuite/23_containers/multiset/range_access.cc: Ditto.
	* testsuite/23_containers/list/range_access.cc: Ditto.
	* testsuite/23_containers/unordered_multiset/range_access.cc: Ditto.
	* testsuite/23_containers/map/range_access.cc: Ditto.
	* testsuite/23_containers/array/range_access.cc: Ditto.
	* testsuite/20_util/tuple/range_access.cc: Ditto.
	* testsuite/20_util/pair/range_access.cc: Ditto.

From-SVN: r162578

dwarf2out.c (add_data_member_location_attribute): Use add_AT_unsigned instead of add_AT_int if offset is non-negative.

	* dwarf2out.c (add_data_member_location_attribute): Use
	add_AT_unsigned instead of add_AT_int if offset is non-negative.

From-SVN: r162576

re PR c/45079 (function names in error message (�c_maybe_const_expr� not supported by 'pp_c_expression'))

	PR c/45079
	* c-pretty-print.c (pp_c_expression): Handle C_MAYBE_CONST_EXPR.

	* gcc.dg/pr45079.c: New test.

From-SVN: r162575

	* postreload.c (try_replace_in_use): New static function.
	(reload_combine_recognize_const_pattern): Use it here.  Allow
	substituting into a final add insn, and substituting into a memory
	reference in an insn that sets the reg.

From-SVN: r162573

	* common.opt (o): Add MissingArgError.
	* doc/options.texi (MissingArgError): Document.
	* hooks.c (hook_bool_constcharptr_size_t_false): Remove.
	* hooks.h (hook_bool_constcharptr_size_t_false): Remove.
	* langhooks-def.h (LANG_HOOKS_MISSING_ARGUMENT): Remove.
	(LANG_HOOKS_INITIALIZER): Remove missing_argument hook
	initializer.
	* langhooks.h (struct lang_hooks): Remove missing_argument.
	* optc-gen.awk: Handle MissingArgError and output new structure
	field initializers.
	* opts.c (read_cmdline_option): Use missing_argument_error field
	instead of missing_argument langhook.
	* opts.h (struct cl_option): Add missing_argument_error field.
	* system.h (LANG_HOOKS_MISSING_ARGUMENT): Poison.

c-family:
	* c-common.h (c_common_missing_argument): Remove.
	* c-opts.c (c_common_missing_argument): Remove.
	* c.opt (A, D, F, I, MD, MMD, MQ, MT, U, fconstant-string-class=,
	idirafter, imacros, include, isysroot, isystem, iquote): Add
	MissingArgError.
	* c-objc-common.h (LANG_HOOKS_MISSING_ARGUMENT): Remove.

cp:
	* cp-objcp-common.h (LANG_HOOKS_MISSING_ARGUMENT): Remove.

po:
	* exgettext: Also extract MissingArgError texts from .opt files.

From-SVN: r162571

From-SVN: r162569

	PR target/29090
	* config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Special-case the
	Darwin64 ABI, for zero-sized objects.

From-SVN: r162568

	PR target/35491
	PR target/29090

	Merge from Apple local 4.2.1.
	2005-05-11  Stan Shebs  <shebs@apple.com>
	Fix 64-bit varargs for Darwin (Radar 4028089).
	* config/rs6000/rs6000.h (rs6000_args): New field floats_in_gpr.
	* config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_flush):
	Add argument, add case for 8-byte register half-filled with a float.
	(rs6000_darwin64_record_arg_advance_recurse): Detect and handle
	single-precision floats specially.

From-SVN: r162567

	PR tree-optimization/44152
	* tree-vect-slp.c (vect_build_slp_tree): Collect nodes with
	complex numbers for further check.
	(vect_supported_load_permutation_p): Check nodes with 
	complex numbers.

From-SVN: r162564

	PR ObjC/44140
	* obj-c++.dg/torture/tls/thr-init-1.mm: Re-enable test.
	* obj-c++.dg/torture/tls/thr-init-2.mm: Ditto.
	* obj-c++.dg/torture/tls/thr-init-3.mm: Ditto.
	* obj-c++.dg/torture/trivial.mm: Ditto.
	* objc.dg/torture/tls/thr-init-2.m: Ditto.
	* objc.dg/torture/tls/thr-init-3.m: Ditto.
	* objc.dg/torture/tls/thr-init.m: Ditto.
	* objc.dg/torture/trivial.m: Ditto.

From-SVN: r162563

2010-07-27  Paolo Carlini  <paolo.carlini@oracle.com>
	    Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>

	* acinclude.m4 ([GLIBCXX_CHECK_STDIO_MACROS]): Remove.
	([GLIBCXX_COMPUTE_STDIO_INTEGER_CONSTANTS]): Add, actually
	compute the constants via AC_COMPUTE_INT.
	* configure.ac: Call the latter.
	* include/bits/ios_base.h: Adjust.
	* include/bits/char_traits.h: Likewise.
	* testsuite/27_io/ios_base/cons/assign_neg.cc: Adjust dg-error
	line number.
	* testsuite/27_io/ios_base/cons/copy_neg.cc: Likewise.
	* config.h.in: Regenerate.
	* configure: Likewise.

2010-07-27  Paolo Carlini  <paolo.carlini@oracle.com>

	* config/io/c_io_stdio.h: Do not include <cstddef>.

Co-Authored-By: Ralf Wildenhues <Ralf.Wildenhues@gmx.de>

From-SVN: r162562

	* gfortran.dg/char4_iunit_1.f03: Add ieee options.
	Skip on spu-*-* targets.

From-SVN: r162561

	* langhooks-def.h (lhd_init_options, LANG_HOOKS_OPTION_LANG_MASK,
	LANG_HOOKS_COMPLAIN_WRONG_LANG_P): New.
	(LANG_HOOKS_INIT_OPTIONS): Update default definition.
	(LANG_HOOKS_INITIALIZER): Add new hooks.
	* langhooks.c (lhd_init_options, lhd_complain_wrong_lang_p): New.
	* langhooks.h (struct lang_hooks): Add new hooks option_lang_mask
	and complain_wrong_lang_p.  Update init_options prototype.
	* c-objc-common.c (c_initialize_diagnostics): First call
	c_common_initialize_diagnostics.
	* c-objc-common.h (LANG_HOOKS_OPTION_LANG_MASK,
	LANG_HOOKS_COMPLAIN_WRONG_LANG_P): Define.
	* coretypes.h (struct cl_option, struct cl_decoded_option):
	Declare.
	* hooks.c (hook_uint_uint_constcharptrptr_0): Remove.
	(hook_uint_void_0): New.
	* hooks.h (hook_uint_uint_constcharptrptr_0): Remove.
	(hook_uint_void_0): New.
	* opts-common.c (decode_cmdline_option,
	decode_cmdline_options_to_array): Also fill in canonical_option
	field.
	* opts.c (complain_wrong_lang): Use langhook to determine whether
	to complain instead of special-casing LTO.
	(decode_options): Separate lang_mask determination with
	option_lang_mask hook from call of init_options hook.
	* opts.h (struct cl_decoded_option): Add canonical_option.

ada:
	* gcc-interface/misc.c (gnat_option_lang_mask): New.
	(gnat_init_options): Update prototype.  Reconstruct argv array
	from decoded options.

c-family:
	* c-common.h (c_common_option_lang_mask,
	c_common_initialize_diagnostics, c_common_complain_wrong_lang_p):
	New.
	(c_common_init_options): Update prototype.
	* c-opts.c (c_common_option_lang_mask): New.
	(c_common_initialize_diagnostics): Split out of
	c_common_init_options.
	(accept_all_c_family_options, c_common_complain_wrong_lang_p):
	New.
	(c_common_init_options): Update prototype.  Use decoded options in
	search for -lang-asm.

cp:
	* cp-objcp-common.c (cxx_initialize_diagnostics): First call
	c_common_initialize_diagnostics.
	* cp-objcp-common.h (LANG_HOOKS_OPTION_LANG_MASK,
	LANG_HOOKS_COMPLAIN_WRONG_LANG_P): Define.

fortran:
	* cpp.c (gfc_cpp_init_options): Update prototype.  Use number of
	decoded options in allocating deferred_opt.
	* cpp.h (gfc_cpp_init_options): Update prototype.
	* f95-lang.c (LANG_HOOKS_OPTION_LANG_MASK): Define.
	* gfortran.h (gfc_option_lang_mask): New.
	(gfc_init_options): Update prototype.
	* options.c (gfc_option_lang_mask): New.
	(gfc_init_options): Update prototype.  Pass new arguments to
	gfc_cpp_init_options.

java:
	* lang.c (java_option_lang_mask): New.
	(java_init_options): Update prototype.
	(LANG_HOOKS_OPTION_LANG_MASK): Define.

lto:
	* lto-lang.c (lto_option_lang_mask, lto_complain_wrong_lang_p):
	New.
	(lto_init_options): Update prototype.
	(LANG_HOOKS_OPTION_LANG_MASK, LANG_HOOKS_COMPLAIN_WRONG_LANG_P):
	Define.

From-SVN: r162560

	PR tree-optimization/45083
	* tree-inline.c (add_local_variables): Also remap DECL_DEBUG_EXPR.

	* gcc.dg/pr45083.c: New test.

From-SVN: r162559

re PR rtl-optimization/45051 (gcc.c-torture/execute/builtins/abs-2.c and abs-3.c due to "track subwords of DImode allocnos")

	PR rtl-optimization/45051
	* reload1.c (delete_output_reload): Use refers_to_regno_p rather
	than reg_mentioned_p.

From-SVN: r162558

2010-07-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40873
        * trans-decl.c (gfc_get_extern_function_decl): Fix generation
        for functions which are later in the same file.
        (gfc_create_function_decl, build_function_decl,
        build_entry_thunks): Add global argument.
        * trans.c (gfc_generate_module_code): Update
        gfc_create_function_decl call.
        * trans.h (gfc_create_function_decl): Update prototype.
        * resolve.c (resolve_global_procedure): Also resolve for
        IFSRC_IFBODY.

2010-07-26  Tobias Burnus  <burnus@net-b.de>

        PR fortran/40873
        * gfortran.dg/whole_file_22.f90: New test.
        * gfortran.dg/whole_file_23.f90: New test.

From-SVN: r162557

From-SVN: r162554

postreload.c (reload_combine_recognize_const_pattern): Move test for limiting the insn movement to the right scope.

	* postreload.c (reload_combine_recognize_const_pattern): Move test
	for limiting the insn movement to the right scope.

From-SVN: r162550

PR target/44132
Emulated TLS rewrite.

From-SVN: r162549