re PR fortran/40019 (LEADZ and TRAILZ give wrong results)

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.

From-SVN: r147987