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Subject: [Bug fortran/40019] LEADZ and TRAILZ give wrong results
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------- Comment #3 from burnus at gcc dot gnu dot org  2009-05-29 21:28 -------
Subject: Bug 40019

Author: burnus
Date: Fri May 29 21:27:54 2009
New Revision: 147987

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=147987
Log:
2009-05-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/40019
        * trans-types.c (gfc_build_uint_type): Make nonstatic.
        * trans.h (gfor_fndecl_clz128, gfor_fndecl_ctz128): New
        * prototypes.
        * trans-types.h (gfc_build_uint_type): Add prototype.
        * trans-decl.c (gfc_build_intrinsic_function_decls): Build
        gfor_fndecl_clz128 and gfor_fndecl_ctz128.
        * trans-intrinsic.c (gfc_conv_intrinsic_leadz,
        gfc_conv_intrinsic_trailz): Call the right builtins or library
        functions, and cast arguments to unsigned types first.
        * simplify.c (gfc_simplify_leadz): Deal with negative arguments.

2009-05-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/40019
        * intrinsics/bit_intrinsics.c: New file.
        * gfortran.map (GFORTRAN_1.2): New list.
        * Makefile.am: Add intrinsics/bit_intrinsics.c.
        * Makefile.in: Regenerate.

2009-05-29  Francois-Xavier Coudert  <fxcoudert@gcc.gnu.org>

        PR fortran/40019
        * gfortran.dg/leadz_trailz_1.f90: New test.
        * gfortran.dg/leadz_trailz_2.f90: New test.


Added:
    trunk/gcc/testsuite/gfortran.dg/leadz_trailz_1.f90
    trunk/gcc/testsuite/gfortran.dg/leadz_trailz_2.f90
    trunk/libgfortran/intrinsics/bit_intrinsics.c
Modified:
    trunk/gcc/fortran/ChangeLog
    trunk/gcc/fortran/simplify.c
    trunk/gcc/fortran/trans-decl.c
    trunk/gcc/fortran/trans-intrinsic.c
    trunk/gcc/fortran/trans-types.c
    trunk/gcc/fortran/trans-types.h
    trunk/gcc/fortran/trans.h
    trunk/gcc/testsuite/ChangeLog
    trunk/libgfortran/ChangeLog
    trunk/libgfortran/Makefile.am
    trunk/libgfortran/Makefile.in
    trunk/libgfortran/gfortran.map


-- 


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=40019