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authorH.J. Lu <hongjiu.lu@intel.com>2010-04-14 22:27:59 -0700
committerUlrich Drepper <drepper@redhat.com>2010-04-14 22:27:59 -0700
commita11ec63713ea3903c482dc907a108be404191a02 (patch)
treee9a57c38aa620e21ea59e5cb258550e469e4c06a /sysdeps/i386/i686/multiarch/s_fmaf-fma.c
parentdf87f54923da6cb94e1a7d65c3f2349c95d49700 (diff)
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Add x86-32 FMA support
Diffstat (limited to 'sysdeps/i386/i686/multiarch/s_fmaf-fma.c')
-rw-r--r--sysdeps/i386/i686/multiarch/s_fmaf-fma.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/sysdeps/i386/i686/multiarch/s_fmaf-fma.c b/sysdeps/i386/i686/multiarch/s_fmaf-fma.c
new file mode 100644
index 0000000000..887e9c3829
--- /dev/null
+++ b/sysdeps/i386/i686/multiarch/s_fmaf-fma.c
@@ -0,0 +1,30 @@
+/* FMA version of fmaf.
+   Copyright (C) 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>
+
+#ifdef HAVE_AVX_SUPPORT
+float
+__fmaf_fma (float x, float y, float z)
+{
+  asm ("vfmadd213ss %3, %2, %0" : "=x" (x) : "0" (x), "x" (y), "xm" (z));
+  return x;
+}
+#endif