* regmove.c (perhaps_ends_bb_p): Remove.
	(optimize_reg_copy_1): Don't call perhaps_ends_bb_p.  Get basic block
	from INSN and check that the main loop stays within that basic block.
	(optimize_reg_copy_1, optimize_reg_copy_3, fixup_match_2): Likewise.
	(regmove_forward_pass): Split out from regmove_optimize.  Use
	FOR_EACH_BB and FOR_BB_INSNS instead of traversing the insns stream.
	(regmove_backward_pass): Split out from regmove_optimize.  Use
	FOR_EACH_BB_REVERSE and FOR_BB_INSNS_REVERS_SAFE.
	(regmove_optimize): Simplify.

From-SVN: r145247

fortran/
PR fortran/38507
* gfortran.h (gfc_st_label): Fix comment.
(gfc_exec_op): Add statement code EXEC_END_BLOCK for end of block.
* parse.c (accept_statement): Use EXEC_END_BLOCK for END IF and
END SELECT with labels.
(check_do_closure): Fix formatting.
(parse_do_block): Fix typo in error message.
* resolve.c (code_stack): Remove tail member.  Update comment to
new use of reachable_labels.
(reachable_labels): Rename to ...
(find_reachable_labels): ... this.  Overhaul.  Update preceding
comment.
(resolve_branch): Fix comment preceding function.  Rewrite.
(resolve_code): Update call to find_reachable_labels.  Add code to
deal with EXEC_END_BLOCK.
* st.c (gfc_free_statement): Add code to deal with EXEC_END_BLOCK.
* trans.c (gfc_trans_code): Likewise.
testsuite/
* do_4.f: New.
* goto_2.f90: Correct expected warnings.
* goto_4.f90: Likewise.
* goto_5.f90: New.

From-SVN: r145245

gcc/

2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39545
	* config/i386/i386.c (classify_argument): Ignore flexible array
	member in struct and warn ABI change.

gcc/testsuite/

2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>

	PR target/39545
	* gcc.c-torture/compile/pr16566-2.c: Add -Wno-psabi for x86-64.

	* gcc.target/i386/pr39545-1.c: New.
	* gcc.target/i386/pr39545-2.c: Likewise.

	* gcc.target/x86_64/abi/test_passing_structs.c (flex1_struct): New.
	(flex2_struct): Likewise.
	(check_struct_passing7): Likewise.
	(check_struct_passing8): Likewise.
	(f1s): Likewise.
	(f2s): Likewise.
	(main): Call check_struct_passing7 and check_struct_passing8.

From-SVN: r145237

2009-03-29  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386-protos.h (ix86_agi_dependent): New.

	* config/i386/i386.c (ix86_agi_dependent): Rewrite.
	(ix86_adjust_cost): Updated.

From-SVN: r145235

2009-03-29  Richard Guenther  <rguenther@suse.de>

	* gcc.c-torture/execute/20090113-1.c: New testcase.
	* gcc.c-torture/execute/20090113-2.c: Likewise.
	* gcc.c-torture/execute/20090113-3.c: Likewise.
	* gcc.c-torture/execute/20090207-1.c: Likewise.
	* gcc.c-torture/compile/20090114-1.c: Likewise.
	* gcc.c-torture/compile/20090328-1.c: Likewise.
	* gcc.dg/noncompile/920507-1.c: Fix out-of-bounds array access.

From-SVN: r145234

re PR tree-optimization/28850 (missed call -> jmp transformation; redundant unwind stuff with empty finally)


	PR middle-end/28850
	* tree-pass.h (pass_cleanup_eh): New function.
	(remove_unreachable_regions): Break code handling RTL
	to rtl_remove_unreachable_regions; remove ERT_MUST_NOT_THROW
	that can not be reached by runtime.
	(can_be_reached_by_runtime): New function.
	(label_to_region_map): New function.
	(num_eh_regions): New function.
	(rtl_remove_unreachable_regions): New function.
	(convert_from_eh_region_ranges): Call rtl_remove_unreachable_regions.
	(remove_eh_region): New function.
	* except.h: Include sbitmap and vecprim.
	(remove_eh_region, remove_unreachable_regions, label_to_region_map,
	num_eh_regions): Declare.
	* passes.c (init_optimization_passes): Schedule cleanup_eh.
	* Makefile.in (EXCEPT_H): New; replace all uses of except.h
	by it.
	* tree-eh.c (tree_remove_unreachable_handlers): New function.
	(tree_empty_eh_handler_p): New function.
	(cleanup_empty_eh): New function.
	(cleanup_eh): New function.
	(pass_cleanup_eh): New function.

From-SVN: r145233

	* except.c (verify_eh_tree): Fix handling of fun!=cfun; be ready
	for removed regions.

From-SVN: r145232

From-SVN: r145231

	* except.c (duplicate_eh_regions_0): Handle AKA bitmap.
	(duplicate_eh_regions_1): Likewise.
	(duplicate_eh_regions): Likewise; cleanup code gorwing the region
	vector; call EH verification.
	(foreach_reachable_handler, can_throw_internal_1, can_throw_external_1):
	Be ready for region being removed.

From-SVN: r145230

	* bitmap.c (bitmap_last_set_bit): New function.
	* bitmap.h (bitmap_last_set_bit): Declare.

From-SVN: r145229

gcc/
2009-03-00  David Ayers  <ayers@fsfe.org>

	PR objc/27377
	* c-typeck.c (build_conditional_expr): Emit ObjC warnings
	by calling objc_compare_types and surpress warnings about
	incompatible C pointers that are compatible ObjC pointers.
	
testsuite/
2009-03-00  David Ayers  <ayers@fsfe.org>

	PR objc/27377
	* objc.dg/conditional-1.m: New tests.

From-SVN: r145225

	* decNumber.c, decNumber.h, decNumberLocal.h, decDouble.c,
	decDouble.h, decSingle.c, decContext.c, decSingle.h, decPacked.c,
	decCommon.c, decContext.h, decQuad.c, decPacked.h, decQuad.h,
	decDPD.h, decBasic.c: Upgrade to decNumber 3.61.
	* dpd/decimal128.h, dpd/decimal32.c, dpd/decimal32.h,
	dpd/decimal64.c, dpd/decimal128.c, dpd/decimal64.h: Likewise.

From-SVN: r145222

From-SVN: r145219

	* cgraphbuild.c (build_cgraph_edges, rebuild_cgraph_edges): Don't
	call initialize_inline_failed.
	(initialize_inline_failed): Move it from here ...
	* cgraph.c (initialize_inline_failed): ... to here.
	(cgraph_create_edge): Call initialize_inline_failed rather than
	setting inline_failed directly.

testsuite/
	* gcc.dg/winline-10.c: New test.

From-SVN: r145215

	PR target/32542
	* sysv4.opt (msdata): Improve comment.
	* linux64.h (ASM_SPEC32): Do not pass -memb when -msdata is given.
	* sysv4.h (SVR4_ASM_SPEC): Likewise.

From-SVN: r145214

	PR target/30451
	* config/rs6000/rs6000.md (*movti_ppc64): Correct the order of
	load and store attributes.

From-SVN: r145213

	* config/i386/i386.c (enum ix86_builtins): Add IX86_BUILTIN_HUGE_VALQ.
	(ix86_init_builtins): Add built-in function __builtin_huge_valq.
	(ix86_expand_builtin): Handle IX86_BUILTIN_HUGE_VALQ.
	* doc/extend.texi (X86 Built-in Functions): Add index entries for
	__builtin_infq and __builtin_huge_valq.

From-SVN: r145212

2009-03-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/34656
        * trans-stmt.c (gfc_trans_simple_do, gfc_trans_do):
        Add GFC_RTCHECK_DO support.
        * option.c (gfc_handle_runtime_check_option): Enable
        * GFC_RTCHECK_DO.
        * invoke.texi (-fcheck): Document "do" option.

From-SVN: r145210

	PR fortran/33595
	* intrinsics/c99_functions.c (round): Use floor instead of ceil.
	Revise checks to round up.
	(roundf): Likewise.

From-SVN: r145209

	* config/avr/avr.c (avr_mcu_t): Add atmega8c1, atmega16c1 and
	atmega8m1 devices.
	* config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
	* config/avr/t-avr (MULTILIB_MATCHES): (Ditto.)

From-SVN: r145208

From-SVN: r145206

	* crontab: Stop 4.2 snapshots.
	Spread out 4.3, 4.4, and 4.5 snapshots more evenly.

From-SVN: r145205

	* gcc.dg/attr-noinline.c: Avoid pure-const optimization.
	* gcc.dg/pr33826.c: Update dump files.
	* gcc.dg/ipa/ipa-3.c: Avoid pure-const optimization.
	* gcc.dg/ipa/ipa-5.c: Avoid pure-const optimization.

	Merge from pretty-ipa:

	2009-03-27  Jan Hubicka  <jh@suse.cz>
	* cgraph.c (dump_cgraph_node): Add replace output flag by process.
	* tree-pass.h (function_called_by_processed_nodes_p): Declare.
	* passes.c (function_called_by_processed_nodes_p): New.
	* ipa-pure-const.c (check_call): Fix handling of operands.
	(analyze_function): Dump debug output for skipped bodies.
	(local_pure_const): Use function_called_by_processed_nodes_p.
	* dwarf2out.c (reference_to_unused): Use output.
	* passes.c (do_per_function_toporder): Likewise.

	2008-11-12  Jan Hubicka  <jh@suse.cz>

	* tree-pass.h (pass_fixup_cfg, pass_local_pure_const): Declare.
	* ipa-pure-const.c (funct_state_d): Add can throw field; make
	state_set_in_source enum
	(check_decl): Ignore memory tags; do not set fake looping flags;
	dump diagnostics.
	(check_operand, check_tree, check_rhs_var, check_lhs_var,
	get_asm_expr_operands, scan_function_op, scan_function_stmt): Remove.
	(check_call, analyze_function): Rewrite.
	(check_stmt): New.
	(add_new_function): Update call of analyze_function.
	(generate_summary): Add call of analyze_function.
	(propagate): Propagate can_throw; handle state_set_in_source correctly.
	(local_pure_const): New function.
	(pass_local_pure_const): New pass.
	* ipa-inline.c (inline_transform): Set after_inlining.
	* tree-eh.c (stmt_can_throw_external): New.
	* tree-optimize.c (execute_fixup_cfg): Do not set after_inlining;
	work with aliasing built.
	* tree-flow.h (stmt_can_throw_external): New.
	* passes.c (init_optimization_passes): Schedule fixup_cfg pass early;
	and local pure/const pass in early and late optimization queue.

From-SVN: r145204

2009-03-28  Martin Jambor  <mjambor@suse.cz>

	* fold-const.c (get_pointer_modulus_and_residue): New parameter
	allow_func_align.
	(fold_binary): Allow function decl aligment consideration is the
	second argument is integer constant one.
	* tree-ssa-forwprop.c (simplify_bitwise_and): New function.
	(tree_ssa_forward_propagate_single_use_vars): Handle assing statements
	with BIT_AND_EXPR on the RHS by calling simplify_bitwise_and.

	* g++.dg/tree-ssa/fwprop-align.C: New test.

From-SVN: r145203

	* dwarf2out.c (dwarf2out_begin_prologue): Use crtl->nothrow
	* tree-eh.c (stmt_could_throw_p): Remove check for WEAK decls.
	* function.h (rtl_data): Add nothrow flag.
	* except.c (set_nothrow_function_flags): Use crtl->nothrow;
	set DECL_NOTHROW for AVAILABLE functions.

From-SVN: r145202

rs6000-c.c (rs6000_macro_to_expand): If macro following vector keyword has expansion starting with pixel or bool...

	* config/rs6000/rs6000-c.c (rs6000_macro_to_expand): If macro
	following vector keyword has expansion starting with pixel or bool
	keyword, expand vector to __vector and pixel or bool to __pixel or
	__bool.

	* gcc.target/powerpc/altivec-28.c: New test.

From-SVN: r145199

	PR c++/39554
	* opts.c (warning_disallowed_functions, warn_disallowed_functions,
	warn_if_disallowed_function_p): Removed.
	(common_handle_option): Don't handle OPT_Wdisallowed_function_list_.
	* c-parser.c (c_parser_postfix_expression_after_primary): Don't call
	warning_if_disallowed_function_p.
	* flags.h (warn_if_disallowed_function_p,
	warn_disallowed_functions): Removed.
	* common.opt (Wdisallowed-function-list=): Removed.
	* doc/invoke.texi (-Wdisallowed-function-list=): Removed.

	* parser.c (cp_parser_postfix_expression): Don't call
	warning_if_disallowed_function_p.

	* gcc.dg/wdisallowed-functions-1.c: Removed.
	* gcc.dg/wdisallowed-functions-2.c: Removed.
	* gcc.dg/wdisallowed-functions-3.c: Removed.
	* g++.dg/warn/Wdisallowed-functions-1.C: Removed.
	* g++.dg/warn/Wdisallowed-functions-2.C: Removed.
	* g++.dg/warn/Wdisallowed-functions-3.C: Removed.

From-SVN: r145198

2009-03-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38723
	* tree-ssa-pre.c (compute_avail): Add all default definitions to
	the entry block.

	* gcc.dg/tree-ssa/ssa-fre-22.c: New testcase.

From-SVN: r145197

2009-02-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/36703
	PR fortran/36528
	* trans-expr.c (gfc_conv_function_val): Stabilize Cray-pointer
	function references to ensure that a valid expression is used.
	(gfc_conv_function_call): Pass Cray pointers to procedures.

2009-02-13  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/36528
	* gfortran.dg/cray_pointers_8.f90: New test.

	PR fortran/36703
	* gfortran.dg/cray_pointers_9.f90: New test.

From-SVN: r145196

2009-03-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38765
	* parse.c (parse_derived): Do not break on finding pointer,
	allocatable or private components.

2009-03-28  Paul Thomas  <pault@gcc.gnu.org>

	PR fortran/38765
	* gfortran.dg/alloc_comp_assign_9.f90: New test.

From-SVN: r145195

tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed test introduced by my previous patch.

	* tree-ssa-structalias.c (ipa_pta_execute): Fix bogus node->analyzed
	test introduced by my previous patch.

From-SVN: r145194

2009-03-28  Richard Guenther  <rguenther@suse.de>

	* tree-ssa-copy.c (copy_prop_visit_phi_node): Do not leave
	the PHIs value undefined.

From-SVN: r145193

2009-03-28  Daniel Kraft  <d@domob.eu>

	* intrinsics/string_intrinsics.c: #include <assert.h>
	* intrinsics/string_intrinsics_inc.c (string_trim): Use string_len_trim
	instead of calculating the length directly.
	(string_len_trim): For KIND=1, speed search up.

2009-03-28  Daniel Kraft  <d@domob.eu>

	* gfortran.dg/trim_1.f90: New test.

From-SVN: r145192

	* tree-pass.h (pass_fixup_cfg): New pass.
	* ipa-inline.c (inline_transform): Set
	always_inline_functions_inlined/after_inlining.
	* tree-optimize.c (execute_fixup_cfg): Do not set them here.
	(pass_fixup_cfg): New pass.
	* passes.c (init_optimization_passes): Add fixup_cfg.

From-SVN: r145191

2009-03-28  Richard Guenther  <rguenther@suse.de>

	* gcc.dg/Warray-bounds.c: Do not use redundant stores.
	* g++.dg/warn/Warray-bounds.C: Likewise.

From-SVN: r145189

2009-03-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/32626
        * option.c (gfc_handle_runtime_check_option): Enable recursion check.
        * trans-decl.c (gfc_generate_function_code): Add recursion check.
        * invoke.texi (-fcheck): Add recursive option.

From-SVN: r145188

2009-03-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/38432
        * resolve.c (gfc_resolve_iterator): Add zero-loop warning.

2009-03-28  Tobias Burnus  <burnus@net-b.de>

        PR fortran/38432
        * gfortran.dg/do_check_5.f90: New test.
        * gfortran.dg/array_constructor_11.f90: Add dg-warning.
        * gfortran.dg/array_constructor_18.f90: Ditto.
        * gfortran.dg/array_constructor_22.f90: Ditto.
        * gfortran.dg/do_3.F90: Ditto.
        * gfortran.dg/do_1.f90: Ditto.

From-SVN: r145186

2009-03-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38458
	* tree-ssa-copy.c (copy_prop_visit_phi_node): For the first
	argument use the arguments copy-of value.

From-SVN: r145185

2009-03-28  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/38180
	* tree-ssa-ccp.c (get_default_value): Simplify.
	(likely_value): Likewise.
	(surely_varying_stmt_p): Properly handle VOP case.
	(ccp_initialize): Likewise.
	(ccp_fold): Handle propagating through *&.
	(fold_const_aggregate_ref): Also handle decls.

	* gcc.dg/tree-ssa/ssa-ccp-24.c: New testcase.

From-SVN: r145184

2009-03-28  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>
            Paul Thomas  <pault@gcc.gnu.org>
            Tobias Burnus  <burnus@net-b.de>

        * gfortran.h (gfc_option_t): Add rtcheck.
        * lang.opt: New option -fruntime-check.
        * libgfortran.h: Add GFC_RTCHECK_* constants.
        * invoke.texi: Document -fruntime-check.
        * options.c (gfc_handle_runtime_check_option): New function.
        (gfc_init_options,gfc_post_options,gfc_handle_option):
        Add -fruntime-check option.


Co-Authored-By: Paul Thomas <pault@gcc.gnu.org>
Co-Authored-By: Tobias Burnus <burnus@net-b.de>

From-SVN: r145183