1 /* Set current rounding direction.
2 Copyright (C) 1999, 2000, 2005 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
4 Contributed by Christian Boissat <Christian.Boissat@cern.ch>, 1999.
6 The GNU C Library is free software; you can redistribute it and/or
7 modify it under the terms of the GNU Lesser General Public
8 License as published by the Free Software Foundation; either
9 version 2.1 of the License, or (at your option) any later version.
11 The GNU C Library is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 Lesser General Public License for more details.
16 You should have received a copy of the GNU Lesser General Public
17 License along with the GNU C Library; if not, write to the Free
18 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
24 fesetround (int round)
31 /* Get the current state. */
32 __asm__ __volatile__ ("mov.m %0=ar.fpsr" : "=r" (fpsr));
34 /* Set the relevant bits. */
35 fpsr = (fpsr & ~(3UL << 10)) | ((fenv_t) round << 10);
37 /* Put the new state in effect. */
38 __asm__ __volatile__ ("mov.m ar.fpsr=%0" :: "r" (fpsr) : "memory");
42 libm_hidden_def (fesetround)