sysdeps/i386/i686/multiarch/s_fma.c

   1 /* Multiple versions of fma.
   2    Copyright (C) 2010-2023 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4
   5    The GNU C Library is free software; you can redistribute it and/or
   6    modify it under the terms of the GNU Lesser General Public
   7    License as published by the Free Software Foundation; either
   8    version 2.1 of the License, or (at your option) any later version.
   9
  10    The GNU C Library is distributed in the hope that it will be useful,
  11    but WITHOUT ANY WARRANTY; without even the implied warranty of
  12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  13    Lesser General Public License for more details.
  14
  15    You should have received a copy of the GNU Lesser General Public
  16    License along with the GNU C Library; if not, see
  17    <https://www.gnu.org/licenses/>.  */
  18
  19 #define NO_MATH_REDIRECT
  20 #include <config.h>
  21
  22 #define dfmal __hide_dfmal
  23 #define f32xfmaf64 __hide_f32xfmaf64
  24 #include <math.h>
  25 #undef dfmal
  26 #undef f32xfmaf64
  27 #include <init-arch.h>
  28 #include <libm-alias-double.h>
  29 #include <math-narrow-alias.h>
  30
  31 extern double __fma_ia32 (double x, double y, double z) attribute_hidden;
  32 extern double __fma_fma (double x, double y, double z) attribute_hidden;
  33
  34 libm_ifunc (__fma,
  35             CPU_FEATURE_USABLE (FMA) ? __fma_fma : __fma_ia32);
  36 libm_alias_double (__fma, fma)
  37 libm_alias_double_narrow (__fma, fma)
  38
  39 #define __fma __fma_ia32
  40
  41 #include <sysdeps/ieee754/ldbl-96/s_fma.c>