1 files changed, 43 insertions, 0 deletions
diff --git a/sysdeps/x86_64/fpu/multiarch/s_fma.c b/sysdeps/x86_64/fpu/multiarch/s_fma.c
new file mode 100644
index 0000000000..9a680c68fc
--- /dev/null
+++ b/sysdeps/x86_64/fpu/multiarch/s_fma.c
@@ -0,0 +1,43 @@
+/* FMA version of fma.
+   Copyright (C) 2009, 2010 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA. */
+
+#include <config.h>
+#include <math.h>
+#include <init-arch.h>
+
+#ifdef HAVE_AVX_SUPPORT
+
+extern double __fma_sse2 (double x, double y, double z) attribute_hidden;
+
+
+static double
+__fma_fma (double x, double y, double z)
+{
+  asm ("vfmadd213sd %3, %2, %0" : "=x" (x) : "0" (x), "x" (y), "xm" (z));
+  return x;
+}
+
+libm_ifunc (__fma, HAS_FMA ? __fma_fma : __fma_sse2);
+weak_alias (__fma, fma)
+
+# define __fma __fma_sse2
+#endif
+
+#include <sysdeps/ieee754/dbl-64/s_fma.c>