gcc/

2011-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (flag_opts): Add -mavx256-split-unaligned-load
	and -mavx256-split-unaligned-store.
	(ix86_option_override_internal): Split 32-byte AVX unaligned
	load/store by default.
	(ix86_avx256_split_vector_move_misalign): New.
	(ix86_expand_vector_move_misalign): Use it.

	* config/i386/i386.opt: Add -mavx256-split-unaligned-load and
	-mavx256-split-unaligned-store.

	* config/i386/sse.md (*avx_mov<mode>_internal): Verify unaligned
	256bit load/store.  Generate unaligned store on misaligned memory
	operand.
	(*avx_movu<ssemodesuffix><avxmodesuffix>): Verify unaligned
	256bit load/store.
	(*avx_movdqu<avxmodesuffix>): Likewise.

	* doc/invoke.texi: Document -mavx256-split-unaligned-load and
	-mavx256-split-unaligned-store.

gcc/testsuite/

2011-03-27  H.J. Lu  <hongjiu.lu@intel.com>

	* gcc.target/i386/avx256-unaligned-load-1.c: New.
	* gcc.target/i386/avx256-unaligned-load-2.c: Likewise.
	* gcc.target/i386/avx256-unaligned-load-3.c: Likewise.
	* gcc.target/i386/avx256-unaligned-load-4.c: Likewise.
	* gcc.target/i386/avx256-unaligned-load-5.c: Likewise.
	* gcc.target/i386/avx256-unaligned-load-6.c: Likewise.
	* gcc.target/i386/avx256-unaligned-load-7.c: Likewise.
	* gcc.target/i386/avx256-unaligned-store-1.c: Likewise.
	* gcc.target/i386/avx256-unaligned-store-2.c: Likewise.
	* gcc.target/i386/avx256-unaligned-store-3.c: Likewise.
	* gcc.target/i386/avx256-unaligned-store-4.c: Likewise.
	* gcc.target/i386/avx256-unaligned-store-5.c: Likewise.
	* gcc.target/i386/avx256-unaligned-store-6.c: Likewise.
	* gcc.target/i386/avx256-unaligned-store-7.c: Likewise.

From-SVN: r171578

From-SVN: r171577

From-SVN: r171576

2011-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/47065
	* frontend-passes (optimize_trim): Also follow references, except
	when they are substring references or array references.

2011-03-27  Thomas Koenig  <tkoenig@gcc.gnu.org>

	PR fortran/47065
	* gfortran.dg/trim_optimize_5.f90:  New test.
	* gfortran.dg/trim_optimize_6.f90:  New test.

From-SVN: r171575

From-SVN: r171574

From-SVN: r171573

gcc/
	PR target/38598
	* config/mips/mips.md (extendsidi2): Add an "l" alternative.
	Update commentary.

gcc/testsuite/
	PR target/38598
	* gcc.target/mips/madd-7.c: Remove -mlong32.
	* gcc.target/mips/msub-7.c: Likewise.

From-SVN: r171572

gcc/
	* config/mips/mips.c (mips_prepare_builtin_arg): Replace icode and
	opno arguments with an expand_operand.  Use create_input_operand.
	(mips_prepare_builtin_target): Delete.
	(mips_expand_builtin_insn, mips_expand_builtin_compare_1): New
	functions.
	(mips_expand_builtin_direct): Use create_output_operand and
	mips_expand_builtin_insn.  Update call to mips_prepare_builtin_arg.
	(mips_expand_builtin_movtf): Likewise.  Use mips_expand_fp_comparison.
	(mips_expand_builtin_compare): Use mips_expand_fp_comparison.

From-SVN: r171571

2011-03-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * caf/libcaf.h: New - coarray communication library.
        * caf/mpi.c: New.
        * caf/single.c: New.

From-SVN: r171570

        * config/arm/arm.c (arm_autovectorize_vector_sizes): New
        function.
        (TARGET_VECTORIZE_AUTOVECTORIZE_VECTOR_SIZES): Define.

From-SVN: r171569

2011-03-27  Tobias Burnus  <burnus@net-b.de>

        PR fortran/18918
        * gfortran.h (gfc_isym_id): Rename GFC_ISYM_NUMIMAGES to
        GFC_ISYM_NUM_IMAGES.
        (gfc_fcoarray): Add GFC_FCOARRAY_LIB.
        * intrinsic.c (add_functions): Update due to GFC_ISYM_NUM_IMAGES
        rename.
        * invoke.texi (-fcoarray=): Document "lib" argument.
        * iresolve.c (gfc_resolve_this_image): Fix THIS IMAGE().
        * libgfortran.h (libgfortran_stat_codes): Add comments.
        * options.c (gfc_handle_coarray_option): Add -fcoarray=lib.
        * simplify.c (gfc_simplify_num_images, gfc_simplify_this_image):
        Handle GFC_FCOARRAY_LIB.
        * trans.h (gfc_init_coarray_decl): New prototype.
        (gfor_fndecl_caf_init, gfor_fndecl_caf_finalize,
        gfor_fndecl_caf_critical, gfor_fndecl_caf_end_critical,
        gfor_fndecl_caf_sync_all, gfor_fndecl_caf_sync_images,
        gfor_fndecl_caf_error_stop, gfor_fndecl_caf_error_stop_str,
        gfort_gvar_caf_num_images, gfort_gvar_caf_this_image):
        New global variables.
        * trans-decl.c: Declare several CAF functions (cf. above).
        (gfc_build_builtin_function_decls): Initialize those.
        (gfc_init_coarray_decl): New function.
        (create_main_function): Call CAF init/finalize functions.
        * trans-intrinsic.c (trans_this_image, trans_num_images): New.
        (gfc_conv_intrinsic_function): Call those.
        * trans-stmt.c (gfc_trans_stop, gfc_trans_sync,
        * gfc_trans_critical):
        Add code for GFC_FCOARRAY_LIB.

From-SVN: r171568

From-SVN: r171567

From-SVN: r171562

2011-03-26  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/48291
	* class.c (get_unique_hashed_string): Adjust maximum allowable length
	for unique type string.

2011-03-26  Janus Weil  <janus@gcc.gnu.org>

	PR fortran/48291
	* gfortran.dg/class_42.f03: New.

From-SVN: r171559

From-SVN: r171558

        * gcc.dg/vect/vect-cselim-1.c: Fail on targets that don't
        support strided accesses.

From-SVN: r171557

	* basic-block.h (fixup_abnormal_edges): Adjust prototype.
	* reload1.c (reload): Adjust call to fixup_abnormal_edges.  Rediscover
	basic blocks and call commit_edge_insertions directly.
	(fixup_abnormal_edges): Move from here to...
	* cfgrtl.c (fixup_abnormal_edges): ...here.  Only insert instructions
	on the edges and return whether some have actually been inserted.
	* reg-stack.c (convert_regs): Fix up abnormal edges before inserting
	compensation code.

From-SVN: r171556

re PR rtl-optimization/48144 (ICE: in code_motion_path_driver, at sel-sched.c:6575 with -fselective-scheduling2 and custom flags)

    PR rtl-optimization/48144
    * sel-sched-ir.c (merge_history_vect): Factor out from ...
    (merge_expr_data): ... here.
    (av_set_intersect): Rename to av_set_code_motion_filter.
    Update all callers.  Call merge_history_vect when an expression
    is found in both sets.
    * sel-sched-ir.h (av_set_code_motion_filter): Add prototype.

    gcc/testsuite
    PR rtl-optimization/48144
    * gcc.dg/pr48144.c: New test.

From-SVN: r171555

decl.c (gnat_to_gnu_entity): Create TYPE_DECL for the padded type built to support a specified size or alignment.

	* gcc-interface/decl.c (gnat_to_gnu_entity) <object>: Create TYPE_DECL
	for the padded type built to support a specified size or alignment.

From-SVN: r171554

	* gcc-interface/gigi.h (finalize_from_with_types): Adjust comment.
	* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Access_Type>: Defer
	unconditionally to the end of the unit when the designated type is
	limited_with'ed.
	<all>: Rename local variable.  Attempt to un-defer types only and do it
	for limited_with'ed types as well.
	(finalize_from_with_types): Adjust comment.  Rename variable and tidy.
	* gcc-interface/trans.c (Compilation_Unit_to_gnu): Use GNAT_UNIT
	consistently and remove redundant call to finalize_from_with_types.

From-SVN: r171552

inline.adb (Back_End_Cannot_Inline): Lift restriction on calls to subprograms without a previous spec declared in...

	* inline.adb (Back_End_Cannot_Inline): Lift restriction on calls to
	subprograms without a previous spec declared in the same unit.
	* gcc-interface/trans.c (Compilation_Unit_to_gnu): Process inlined
	subprograms at the end of the unit instead of at the beginning.
	* gcc-interface/utils.c (create_subprog_decl): Check that the entity
	isn't public for the special handling of non-inline functions nested
	inside inline external functions.

From-SVN: r171551

From-SVN: r171544

	* config/rs6000/predicates.md (word_offset_memref_op): Handle
	cmodel medium addresses.
	* config/rs6000/rs6000.c (rs6000_secondary_reload): Handle misaligned
	64-bit gpr loads and stores.
	(rs6000_secondary_reload_ppc64): New function.
	* config/rs6000/rs6000-protos.h: Declare it.
	* config/rs6000/rs6000.md (reload_di_store, reload_di_load): New.

From-SVN: r171542

From-SVN: r171541

From-SVN: r171540

re PR target/47487 (ICE in rs6000_output_function_epilogue, at config/rs6000/rs6000.c:21782 building 64bit libgo)

	PR target/47487
	* config/rs6000/rs6000.c (rs6000_output_function_epilogue): Support
	GNU Go in traceback table.

From-SVN: r171538

From-SVN: r171537

        * expr.c (emit_block_move_via_movmem): Only use 6 operand variant
        if there are exactly 6 operands.
        (set_storage_via_setmem): Similarly.

From-SVN: r171532

2011-03-25  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* include/std/future (future::share): Add.
	(packaged_task::result_type): Remove as per LWG 2030.
	(packaged_task::packaged_task): Remove redundant constructors, as per
	LWG 1514.
	* testsuite/30_threads/future/members/share.cc: New.
	* testsuite/30_threads/packaged_task/requirements/typedefs.cc: Remove.

From-SVN: r171531

2011-03-25  Jonathan Wakely  <jwakely.gcc@gmail.com>

	* testsuite/28_regex/match_results/ctors/char/default.cc: Do not call
	members which require a fully established result state.
	* testsuite/28_regex/match_results/ctors/wchar_t/default.cc: Likewise.

From-SVN: r171530

From-SVN: r171528

	* printf/printf_fp.c (__quadmath_printf_fp): Use memcpy instead of
	mempcpy.

From-SVN: r171525

From-SVN: r171523

2011-03-25  Kai Tietz  <ktietz@redhat.com>

	* c-ada-spec.c (compare_comment): Use filename_cmp
	instead of strcmp for filename.


Changelog fortran/

2011-03-25  Kai Tietz  <ktietz@redhat.com>

	* scanner.c (preprocessor_line): Use filename_cmp
	instead of strcmp.

Changelog gcc/

2011-03-25  Kai Tietz  <ktietz@redhat.com>

	* collect2.c (write_c_file_stat): Handle backslash
	as right-hand directory separator.
	(resolve_lib_name): Use IS_DIR_SEPARATOR instead of
	checking just for slash.
	* coverage.c (coverage_init): Use IS_ABSOLUTE_PATH
	instead of checking for trailing slash.
	* gcc.c (record_temp_file): Use filename_cmp instead
	of strcmp.
	(do_spec_1): Likewise.
	(replace_outfile_spec_function): Likewise.
	(is_directory): Use filename_ncmp instead of strncmp.
	(print_multilib_info): Likewise.
	* gcov.c (find_source): Use filename_cmp instead
	instead of strcmp.
	(make_gcov_file_name): Fix order of slash/backslash
	checks.
	* incpath.c (DIRS_EQ): Use filename_cmp instead of strcmp.
	(add_standard_paths): Likewise.
	* mips-tfile.c (saber_stop): Handle backslash.
	* prefix.c (update_path): Use filename_ncmp instead of
	strncmp.
	* profile.c (output_location): Use filename_cmp instead
	of strcmp.
	* read-md.c (handle_toplevel_file): Handle backslash.
	* tlink.c (frob_extension):  Likewise.
	* tree-cfg.c (same_line_p): Use filename_cmp instead of
	strcmp.
	* tree-dump.c (dequeue_and_dump): Handle backslash.
	* tree.c (get_file_function_name): Likewise.
	* gengtype.c (read_input_list): Likewise.
	(get_file_realbasename): Likewise.
	(get_output_file_with_visibility): Use filename_cmp
	instead of strcmp.

ChangeLog java/

2011-03-25  Kai Tietz  <ktietz@redhat.com>

	* jcf-parse.c (java_read_sourcefilenames): Use filename_cmp
	instead of strcmp.
	(set_source_filename): Likewise.
	* win32-host.c (jcf_open_exact_case): Likewise.

ChangeLog lto/

2011-03-25  Kai Tietz  <ktietz@redhat.com>

	* lto.c (lto_resolution_read): Use filename_cmp instead
	of strcmp.
	(lto_read_section_data): Likewise.


ChangeLog cp/

2011-03-25  Kai Tietz  <ktietz@redhat.com>

	* lex.c (interface_strcmp): Handle dos-paths.
	(handle_pragma_implementation): Use filename_cmp instead of
	strcmp.
	(in_main_input_context): Likewise.

From-SVN: r171522

2011-03-25  Kai Tietz  <ktietz@redhat.com>

	* files.c (file_hash_eq): Use filename_cmp
	instead of strcmp.
	(nonexistent_file_hash_eq): Likewise.
	(remap_filename): Likewise.
	Handle absolute DOS-path,
	(append_file_to_dir): Check for IS_DIR_SEPARATOR
	instead of slash.
	(read_name_map): Likewise.
	* linemap.c (linemap_add): Use filename_cmp
	instead of strcmp.
	* mkdeps.c (apply_vpath): Use filename_ncmp
	instead of strncmp.
	(deps_restore): Use filename_cmp instead of
	strcmp.
	* init.c (read_original_directory): Use
	IS_DIR_SEPARATOR instead of checking for slash.

From-SVN: r171521

gcc/
	* config/arm/arm.h (CANNOT_CHANGE_MODE_CLASS): Restrict FPA_REGS
	case to VFPv1.

From-SVN: r171520

2011-03-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48174
        PR fortran/45304
        * trans-types.c (gfc_get_function_type): Don't use varargs if
        * the
        procedure is known to have no arguments.

2011-03-25  Tobias Burnus  <burnus@net-b.de>

        PR fortran/48174
        PR fortran/45304
        * gfortran.dg/ishft_4.f90: Adapt scan-tree-dump-times.
        * gfortran.dg/leadz_trailz_3.f90: Ditto

From-SVN: r171519

From-SVN: r171518

From-SVN: r171516

2011-03-25  Martin Jambor  <mjambor@suse.cz>

	* gcc.c-torture/compile/pr44686.c: Do not explicitely specify -O2.

From-SVN: r171515