Subversion Repositories openrisc_me

/*

 * Copyright (C) 2001 Free Software Foundation, Inc.

 * Contributed by Richard Henderson (rth@redhat.com)

 *

 * This file is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License as published by the

 * Free Software Foundation; either version 2, or (at your option) any

 * later version.

 *

 * In addition to the permissions in the GNU General Public License, the

 * Free Software Foundation gives you unlimited permission to link the

 * compiled version of this file with other programs, and to distribute

 * those programs without any restriction coming from the use of this

 * file.  (The General Public License restrictions do apply in other

 * respects; for example, they cover modification of the file, and

 * distribution when not linked into another program.)

 *

 * This file is distributed in the hope that it will be useful, but

 * WITHOUT ANY WARRANTY; without even the implied warranty of

 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU

 * General Public License for more details.

 *

 * You should have received a copy of the GNU General Public License

 * along with this program; see the file COPYING.  If not, write to

 * the Free Software Foundation, 51 Franklin Street, Fifth Floor,

 * Boston, MA 02110-1301, USA.

 *

 *    As a special exception, if you link this library with files

 *    compiled with GCC to produce an executable, this does not cause

 *    the resulting executable to be covered by the GNU General Public License.

 *    This exception does not however invalidate any other reasons why

 *    the executable file might be covered by the GNU General Public License.

 */

/* Assume OSF/1 compatible interfaces.  */

extern void __ieee_set_fp_control (unsigned long int);

#define IEEE_MAP_DMZ  (1UL<<12)       /* Map denorm inputs to zero */

#define IEEE_MAP_UMZ  (1UL<<13)       /* Map underflowed outputs to zero */

static void __attribute__((constructor))

set_fast_math (void)

{

  __ieee_set_fp_control (IEEE_MAP_DMZ | IEEE_MAP_UMZ);

}