blob: d715f621edfdf31c67af540e13c64de7fe8f5351 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
/* Compute x * y + z as ternary operation. S/390 version.
Copyright (C) 2010-2019 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
<https://www.gnu.org/licenses/>. */
#include <math.h>
#include <libm-alias-double.h>
double
__fma (double x, double y, double z)
{
double r;
__asm__ ("madbr %0,%1,%2" : "=f" (r) : "%f" (x), "fR" (y), "0" (z));
return r;
}
#ifndef __fma
libm_alias_double (__fma, fma)
#endif
|
