Update copyright dates with scripts/update-copyrights.

[thirdparty/glibc.git] / sysdeps / x86_64 / fpu / multiarch / s_fmaf.c

diff --git a/sysdeps/x86_64/fpu/multiarch/s_fmaf.c b/sysdeps/x86_64/fpu/multiarch/s_fmaf.c
index 85ef65a50ecb9d62cb6ab41c0865e79d7b497d31..6046961f869481090adc9adfc2ca330c2ad79496 100644 (file)
--- a/sysdeps/x86_64/fpu/multiarch/s_fmaf.c
+++ b/sysdeps/x86_64/fpu/multiarch/s_fmaf.c
@@ -1,5 +1,5 @@
 /* FMA version of fmaf.
-   Copyright (C) 2009, 2010 Free Software Foundation, Inc.
+   Copyright (C) 2009-2015 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
@@ -13,9 +13,8 @@
    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. */
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
 
 #include <config.h>
 #include <math.h>
@@ -27,13 +26,29 @@ extern float __fmaf_sse2 (float x, float y, float z) attribute_hidden;
 
 
 static float
-__fmaf_fma (float x, float y, float z)
+__fmaf_fma3 (float x, float y, float z)
 {
   asm ("vfmadd213ss %3, %2, %0" : "=x" (x) : "0" (x), "x" (y), "xm" (z));
   return x;
 }
 
-libm_ifunc (__fmaf, HAS_FMA ? __fmaf_fma : __fmaf_sse2);
+
+# ifdef HAVE_FMA4_SUPPORT
+static float
+__fmaf_fma4 (float x, float y, float z)
+{
+  asm ("vfmaddss %3, %2, %1, %0" : "=x" (x) : "x" (x), "x" (y), "x" (z));
+  return x;
+}
+# else
+#  undef HAS_FMA4
+#  define HAS_FMA4 0
+#  define __fmaf_fma4 ((void *) 0)
+# endif
+
+
+libm_ifunc (__fmaf, HAS_FMA
+           ? __fmaf_fma3 : (HAS_FMA4 ? __fmaf_fma4 : __fmaf_sse2));
 weak_alias (__fmaf, fmaf)
 
 # define __fmaf __fmaf_sse2