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Subject: [Bug tree-optimization/20165] Pointer does not really escape with write
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=20165

--- Comment #9 from Thomas Koenig <tkoenig at gcc dot gnu.org> 2010-10-16 16:06:14 UTC ---
Author: tkoenig
Date: Sat Oct 16 16:06:07 2010
New Revision: 165559

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=165559
Log:
2010-10-16  Thomas Koenig  <tkoenig@gcc.gnu.org>

    PR fortran/20165
    PR fortran/31593
    PR fortran/43665
    * gfortran.map:  Add _gfortran_transfer_array_write,
    _gfortran_transfer_array_write, _gfortran_transfer_character_write,
    _gfortran_transfer_character_wide_write,
    _gfortran_transfer_complex_write,
    _gfortran_transfer_integer_write,
    _gfortran_transfer_logical_write and
    _gfortran_transfer_real_write.
    * io/transfer.c (transfer_integer_write):  Add prototype and
    function body as call to the original function, without the
    _write.
    (transfer_real_write):  Likewise.
    (transfer_logical_write):  Likewise.
    (transfer_character_write):  Likewise.
    (transfer_character_wide_write):  Likewise.
    (transfer_complex_write):  Likewise.
    (transfer_array_write):  Likewise.

2010-10-16  Thomas Koenig  <tkoenig@gcc.gnu.org>

    PR fortran/20165
    PR fortran/31593
    PR fortran/43665
    * trans-io.c (enum iocall): Add IOCALL_X_INTEGER_WRITE,
    IOCALL_X_LOGICAL_WRITE, IOCALL_X_CHARACTER_WRITE,
    IOCALL_X_CHARACTER_WIDE_WRIE, IOCALL_X_REAL_WRITE,
    IOCALL_X_COMPLEX_WRITE and IOCALL_X_ARRAY_WRITE.
    (gfc_build_io_library_fndecls):  Add corresponding function
    decls.
    (transfer_expr):  If the current transfer is a READ, use
    the iocall with the original version, otherwise the version
    with _WRITE.
    (transfer_array_desc):  Likewise.


Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/trans-io.c
    trunk/libgfortran/ChangeLog
    trunk/libgfortran/gfortran.map
    trunk/libgfortran/io/transfer.c