[Bug fortran/32979] Implement vendor-specific ISNAN() intrinsic function

["fxcoudert at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>]

------- Comment #7 from fxcoudert at gcc dot gnu dot org  2007-08-05 10:18 -------
Subject: Bug 32979

Author: fxcoudert
Date: Sun Aug  5 10:18:38 2007
New Revision: 127224

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=127224
Log:
        PR fortran/32979

        * intrinsic.h (gfc_check_isnan): Add prototype.
        * gfortran.h (gfc_isym_id): Add GFC_ISYM_ISNAN.
        * intrinsic.c (add_functions): Add ISNAN intrinsic.
        * check.c (gfc_check_isnan): New function.
        * trans-intrinsic.c (gfc_conv_intrinsic_isnan): New function.
        (gfc_conv_intrinsic_function): Call gfc_conv_intrinsic_isnan
        to translate ISNAN.
        * intrinsic.texi: Document ISNAN.

        * gfortran.dg/isnan_1.f90: New test.

Added:
    trunk/gcc/testsuite/gfortran.dg/isnan_1.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/check.c
    trunk/gcc/fortran/gfortran.h
    trunk/gcc/fortran/intrinsic.c
    trunk/gcc/fortran/intrinsic.h
    trunk/gcc/fortran/intrinsic.texi
    trunk/gcc/fortran/trans-intrinsic.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=32979