glibc/ports/sysdeps/aarch64/fpu/s_fma.c

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/* Copyright (C) 1996-2012 Free Software Foundation, Inc.
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
<http://www.gnu.org/licenses/>. */
#include <math.h>
#ifndef FUNC
#define FUNC fma
#endif
#ifndef TYPE
#define TYPE double
#define REGS "d"
#else
#ifndef REGS
#error REGS not defined
#endif
#endif
#define __CONCATX(a,b) __CONCAT(a,b)
TYPE
__CONCATX(__,FUNC) (x, y, z)
TYPE x;
TYPE y;
TYPE z;
{
TYPE result;
asm ( "fmadd" "\t%" REGS "0, %" REGS "1, %" REGS "2, %" REGS "3"
: "=w" (result) : "w" (x), "w" (y), "w" (z) );
return result;
}
#define weak_aliasx(a,b) weak_alias(a,b)
weak_aliasx (__CONCATX(__,FUNC), FUNC)
#define strong_aliasx(a,b) strong_alias(a,b)
#ifdef NO_LONG_DOUBLE
strong_aliasx (__CONCATX(__,FUNC), __CONCATX(__,__CONCATX(FUNC,l)))
weak_aliasx (__CONCATX(__,FUNC), __CONCATX(FUNC,l))
#endif