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/* FMA version of fma.
Copyright (C) 2009-2020 Free Software Foundation, Inc.
Contributed by Intel Corporation.
This file is part of the GNU C Library.
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 <config.h>
#include <math.h>
#include <init-arch.h>
#include <libm-alias-double.h>
extern double __fma_sse2 (double x, double y, double z) attribute_hidden;
static double
__fma_fma3 (double x, double y, double z)
{
asm ("vfmadd213sd %3, %2, %0" : "=x" (x) : "0" (x), "x" (y), "xm" (z));
return x;
}
static double
__fma_fma4 (double x, double y, double z)
{
asm ("vfmaddsd %3, %2, %1, %0" : "=x" (x) : "x" (x), "x" (y), "x" (z));
return x;
}
libm_ifunc (__fma, HAS_ARCH_FEATURE (FMA_Usable)
? __fma_fma3 : (HAS_ARCH_FEATURE (FMA4_Usable)
? __fma_fma4 : __fma_sse2));
libm_alias_double (__fma, fma)
#define __fma __fma_sse2
#include <sysdeps/ieee754/dbl-64/s_fma.c>
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