From-SVN: r159195

	* gnat.dg/lto[12456].adb: Add "target lto" marker.
	* gnat.dg/specs/lto3.ads: Likewise.

From-SVN: r159191

2010-05-08  Sandra Loosemore  <sandra@codesourcery.com>

	PR middle-end/28685

	gcc/
	* tree-ssa-reassoc.c (eliminate_redundant_comparison): New function.
	(optimize_ops_list): Call it.

	gcc/testsuite/
	* gcc.dg/pr28685-1.c: New file.

From-SVN: r159189

From-SVN: r159188

From-SVN: r159187

2010-05-08  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44030
	* tree-ssa-pre.c (eliminate): Copy NECESSARY flag.  Set
	NECESSARY flag if we propagate from a inserted expression.

	* gcc.c-torture/compile/pr44030.c: New testcase.

From-SVN: r159186

gimple.c (gimple_types_compatible_p): Treat bounds of domain types as equal if they are both PLACEHOLDER_EXPRs.

	* gimple.c (gimple_types_compatible_p) <ARRAY_TYPE>: Treat bounds of
	domain types as equal if they are both PLACEHOLDER_EXPRs.

From-SVN: r159185

	* exp_disp.adb (Make_Tags): Mark the imported view of dispatch tables.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Variable>: Make imported
	constants really constant.
	<E_Record_Subtype>: Strip the suffix for dispatch table entities.

From-SVN: r159184

From-SVN: r159183

decl.c (gnat_to_gnu_entity): Create variables for size expressions of variant part of record types declared...

	* gcc-interface/decl.c (gnat_to_gnu_entity): Create variables for size
	expressions of variant part of record types declared at library level.

From-SVN: r159182

	* gcc-interface/gigi.h (create_field_decl): Move PACKED parameter.
	* gcc-interface/utils.c (create_field_decl): Move PACKED parameter.
	(rest_of_record_type_compilation): Adjust call to create_field_decl.
	(make_descriptor_field): Likewise and pass correctly typed constants.
	(build_unc_object_type): Likewise.
	(unchecked_convert): Likewise.
	* gcc-interface/decl.c (elaborate_expression_2): New static function.
	(gnat_to_gnu_entity): Use it to make alignment factors explicit.
	Adjust call to create_field_decl.
	(make_aligning_type): Likewise.
	(make_packable_type): Likewise.
	(maybe_pad_type): Likewise.
	(gnat_to_gnu_field): Likewise.
	(components_to_record): Likewise.
	(create_field_decl_from): Likewise.
	(create_variant_part_from): Remove superfluous test.
	* gcc-interface/trans.c (gigi): Adjust call to create_field_decl.

From-SVN: r159181

	* gcc-interface/gigi.h (build_unc_object_type): Add DEBUG_INFO_P param.
	(build_unc_object_type_from_ptr): Likewise.
	* gcc-interface/utils.c (build_unc_object_type): Add DEBUG_INFO_P param
	and pass it to create_type_decl.  Declare the type.  Simplify.
	(build_unc_object_type_from_ptr): Add DEBUG_INFO_P parameter and pass
	it to build_unc_object_type.
	* gcc-interface/decl.c (gnat_to_gnu_entity): Adjust to above change.
	* gcc-interface/trans.c (Attribute_to_gnu): Likewise.
	(gnat_to_gnu): Likewise.
	* gcc-interface/utils2.c (build_allocator): Likewise.

From-SVN: r159180

From-SVN: r159179

2010-05-08  Richard Guenther  <rguenther@suse.de>

	* lto-wrapper.c (run_gcc): Remove linker output from
	command line for LTRANS invocation.

From-SVN: r159174

ChangeLog:
	* configure.ac (--enable-lto): Add x86_64-apple-darwin* as
	a platform that supports LTO.
	* configure: Regenerate.

gcc/ChangeLog:
	* config.gcc (i[34567]86-*-darwin*, x86_64-*-darwin*): Add
	lto-macho as lto_binary_reader.
	* target.h (struct gcc_target): New hooks lto_start and	lto_end.
	* target-def.h (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Define.
	* cgraphunit.c (ipa_passes): Wrap LTO assembler output generation
	in lto_start and lto_end calls.
	(is_elf_or_coff): Rename to maybe_lto_object_file.  Add Mach-O
	magic numbers.
	(scan_prog_file): Update is_elf_or_coff call.
	* doc/tm.text (TARGET_ASM_LTO_START, TARGET_ASM_LTO_END): Document.

	* collect2.c (main): Fix enum comparison.

	* config/darwin-protos.h (darwin_asm_lto_start, darwin_asm_lto_end):
	Add prototypes.
	* darwin9.h (LINK_COMMAND_SPEC): Pass -flto and -fwhopr to the linker.
	* darwin.h (LINK_COMMAND_SPEC): Likewise.  Define TARGET_ASM_LTO_START
	and TARGET_ASM_LTO_END.
	* darwin.c: Include obstack.h and lto-streamer.h.
	(lto_section_names_offset, lto_section_names_obstack,
	lto_asm_out_file, lto_asm_out_name, saved_asm_out_file): New static
	global variables.
	(LTO_SEGMENT_NAME, LTO_NAMES_SECTION): New defines.
	(darwin_asm_lto_start): New function.  Redirect output to asm_out_file
	to a temporary file.
	(darwin_asm_lto_end): New function.  Restore asm_out_file.
	(darwin_asm_named_section): For LTO sections, replace the name with
	the offset of the section name in a string table, and build this
	table.
	(darwin_file_start): Initialize global vars for LTO support.
	(darwin_file_end): If output to asm_out_file was redirected, append it
	to the proper asm_out_file here.  Add the section names section.

lto/ChangeLog:
	* lto.h (struct lto_file_struct): Document offset member.
	* lto-endian.h: New file.
	* lto-macho.h: New file.
	* lto-macho.c: New file.
	* Make-lang.in: Add rule for lto-macho.o.

From-SVN: r159173

	* c-pragma.c (pending_weak_d, pending_weak): New.
	(pending_weaks): Change the type to VEC((pending_weak,gc) *.
	(maybe_apply_pragma_weak, maybe_apply_pending_pragma_weaks,
	handle_pragma_weak): Update the uses of pending_weaks.

From-SVN: r159172

gcc/:
        PR documentation/44016
        * doc/standards.texi (Standards): Link to unversioned
        cxx0x_status.html page.

From-SVN: r159168

	PR target/43708
	* config/darwin-c.c (darwin_pragma_unused): Set DECL_READ_P
	in addition to TREE_USED, to avoid "set but unused" warnings.

From-SVN: r159164

2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>

	* tree-ssa-loop-prefetch.c (TRIP_COUNT_TO_AHEAD_RATIO): New.
	(is_loop_prefetching_profitable): Do not insert prefetches
	when the trip count is not at least TRIP_COUNT_TO_AHEAD_RATIO
	times the prefetch ahead distance.

From-SVN: r159163

2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>

	* tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable):
	Account for loop unrolling in the insn-to-prefetch ratio heuristic.
	(loop_prefetch_arrays): Pass to is_loop_prefetching_profitable
	the unroll_factor.

From-SVN: r159162

2010-05-07  Changpeng Fang  <changpeng.fang@amd.com>

	* tree-ssa-loop-prefetch.c (is_loop_prefetching_profitable): Dump
	a diagnostic info when the insn-to-mem ratio is too small.

From-SVN: r159161

From-SVN: r159160

2010-05-07  Richard Guenther <rguenther@suse.de>

	* gcc.c (LINK_COMMAND_SPEC): Provide a resolution file to
	the linker plugin.
	(store_arg): Queue temp_filename for deletion instead of
	the whole argument.

	lto/
	PR lto/43857
	PR lto/43371
	* lang.opt (fresolution): Change to ...
	(fresolution=): ... this.
	* lto-lang.c (lto_handle_option): Adjust.

	lto-plugin/
	* lto-plugin.c (free_2): Do not free resolution_file.
	(write_resolution): Check that we were passed a resolution file.
	(all_symbols_read_handler): Adjust.
	(cleanup_handler): Do not remove the resolution file.
	(process_option): Handle -fresolution=.

From-SVN: r159159

	PR c++/43951
	* init.c (diagnose_uninitialized_cst_or_ref_member_1): Returns the
	error count. Emit errors only if compain is true.
	(build_new_1): Do not return error_mark_node if
	diagnose_uninitialized_cst_or_ref_member_1 does not diagnose any
	errors. Delay the check for user-provided constructor.
	(perform_member_init): Adjust.
	* cp-tree.h (diagnose_uninitialized_cst_or_ref_member): Change the
	prototype.

From-SVN: r159158

2010-05-07  Richard Guenther  <rguenther@suse.de>

	* lto-wrapper.c (DUMPBASE_SUFFIX): Define.
	(run_gcc): Handle LTRANS phase invocation.
	* collect2.c (maybe_run_lto_and_relink): Do not set
	WPA_SAVE_LTRANS.

	lto/
	* lto.c (DUMPBASE_SUFFIX): Remove.
	(lto_execute_ltrans): Move functionality to lto-wrapper.c.
	Rename to ...
	(lto_write_ltrans_list): ... only output the list of ltrans files.
	(lto_maybe_unlink): Remove.
	(do_whole_program_analysis): Do not execute LTRANS phase
	from here.

From-SVN: r159157

tree.h (TREE_ADDRESSABLE): Adjust comment to say that this is also meaningful on PARM_DECLs and RESULT_DECLs.

	* tree.h (TREE_ADDRESSABLE): Adjust comment to say that
	this is also meaningful on PARM_DECLs and RESULT_DECLs.

From-SVN: r159156

gcc/fortran/:
2010-05-07  Daniel Franke  <franke.daniel@gmail.com>

	PR fortran/40728
	* intrinc.c (gfc_is_intrinsic): Do not prematurely mark symbol
        as external


gcc/testsuite/:
2010-05-07  Daniel Franke  <franke.daniel@gmail.com>

        PR fortran/40728
        * gfortran.dg/coarray_1.f90: Fixed error message.
        * gfortran.dg/selected_char_kind_3.f90: Fixed error message.
        * gfortran.dg/intrinsic_std_1.f90: Fixed bogus message.
        * gfortran.dg/intrinsic_std_5.f90: New.

From-SVN: r159155

From-SVN: r159153

From-SVN: r159151

2010-05-07  Richard Guenther  <rguenther@suse.de>

	PR tree-optimization/44020
	* tree-ssa-pre.c (execute_pre): Do not remove dead inserted
	code when PRE is not yet initialized.

From-SVN: r159150

	PR 40989
	* gcc-interface/misc.c (gnat_handle_option): Fix long line.

From-SVN: r159149

	* config/mips/dbxmdebug.h: Remove.
	* config.gcc (mips-sgi-irix6.5*): Remove mips/dbxmdebug.h.

From-SVN: r159147

	* gcc.dg/lto/20100423-2_0.c: Include <stdio.h>.
	(size_t, stderr): Remove.
	(read_error): Replaced __builtin_fprintf by fprintf.

From-SVN: r159146

c-typeck.c (build_binary_op): Warn ordered comparison of pointer with null pointer and also warn about...

gcc/
2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>

        * c-typeck.c (build_binary_op): Warn ordered comparison of pointer
        with null pointer and also warn about ordered comparison of zero
        with pointer if -Wextra.

gcc/testsuite/
2010-05-07  Shujing Zhao  <pearly.zhao@oracle.com>

        * gcc.dg/ordered-comparison-1.c: New test.
        * gcc.dg/ordered-comparison-2.c: New test.
        * gcc.dg/ordered-comparison-3.c: New test.
        * gcc.dg/ordered-comparison-4.c: New test.

From-SVN: r159145

2010-05-07  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* libsupc++/exception_ptr.h (make_exception_ptr): Add.
	* testsuite/18_support/exception_ptr/make_exception_ptr.cc: New.

From-SVN: r159144

From-SVN: r159143

From-SVN: r159139

From-SVN: r159138

	* config/abi/pre/gnu.ver: Move decltype(nullptr) into CXXABI_1.3.5.
	* testsuite/util/testsuite_abi.cc (check_version): Add CXXABI_1.3.5.

From-SVN: r159136

From-SVN: r159135