[Bug fortran/37635] Fortran 2008: Support LEADZ / TRAILZ

[steven at gcc dot gnu dot org]

------- Comment #6 from steven at gcc dot gnu dot org  2008-10-02 18:52 -------
Subject: Bug 37635

Author: steven
Date: Thu Oct  2 18:51:12 2008
New Revision: 140837

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=140837
Log:
testsuite
        * gfortran.fortran-torture/execute/intrinsic_leadz.f90: New test.
        * gfortran.fortran-torture/execute/intrinsic_trailz.f90: New test.

fortran/
        PR fortran/37635
        * intrinsic.c (add_functions): Add LEADZ and TRAILZ as generics.
        * intrinsic.h (gfc_simplify_leadz, gfc_simplify_trailz): New protos.
        * gfortran.h <enum gfc_isym_id>: (GFC_ISYM_LEADZ, GFC_ISYM_TRAILZ):
New.
        * f95-lang (gfc_init_builtin_functions): Add BUILT_IN_CLZ,
        BUILT_IN_CLZL, BUILT_IN_CLZLL, BUILT_IN_CTZ, BUILT_IN_CTZL, and
        BUILT_IN_CTZLL.
        * trans-intrinsic.c (gfc_conv_intrinsic_leadz,
        gfc_conv_intrinsic_trails): New code-generation functions for LEADZ
        and TRAILZ intrinsics.
        (gfc_conv_intrinsic_function): Use them
        * intrinsic.texi: Add documentation for LEADZ and TRAILZ.
        * simplify.c (gfc_simplify_leadz, gfc_simplify_trailz): New functions.

Added:
    trunk/gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_leadz.f90
    trunk/gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_trailz.f90
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/f95-lang.c
    trunk/gcc/fortran/gfortran.h
    trunk/gcc/fortran/intrinsic.c
    trunk/gcc/fortran/intrinsic.h
    trunk/gcc/fortran/intrinsic.texi
    trunk/gcc/fortran/simplify.c
    trunk/gcc/fortran/trans-intrinsic.c
    trunk/gcc/testsuite/ChangeLog


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37635