Blame sysdeps/s390/fpu/s_fma.c

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/* Compute x * y + z as ternary operation.  S/390 version.
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   Copyright (C) 2010-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   Contributed by Jakub Jelinek <jakub@redhat.com>, 2010.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <http://www.gnu.org/licenses/>.  */
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#include <math.h>
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#include <libm-alias-double.h>
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double
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__fma (double x, double y, double z)
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{
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  double r;
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  __asm__ ("madbr %0,%1,%2" : "=f" (r) : "%f" (x), "fR" (y), "0" (z));
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  return r;
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}
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#ifndef __fma
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libm_alias_double (__fma, fma)
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#endif