glibc/sysdeps/s390/fpu/s_fmaf.c

32 lines
1.1 KiB
C

/* Compute x * y + z as ternary operation. S/390 version.
Copyright (C) 2010-2013 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jakub@redhat.com>, 2010.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <math.h>
float
__fmaf (float x, float y, float z)
{
float r;
asm ("maebr %0,%1,%2" : "=f" (r) : "%f" (x), "fR" (y), "0" (z));
return r;
}
#ifndef __fmaf
weak_alias (__fmaf, fmaf)
#endif