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-rw-r--r--sysdeps/aarch64/fpu/s_fma.c45
1 files changed, 45 insertions, 0 deletions
diff --git a/sysdeps/aarch64/fpu/s_fma.c b/sysdeps/aarch64/fpu/s_fma.c
new file mode 100644
index 0000000000..adbcfc1db1
--- /dev/null
+++ b/sysdeps/aarch64/fpu/s_fma.c
@@ -0,0 +1,45 @@
+/* Copyright (C) 1996-2014 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) (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;
+}
+
+weak_alias (__CONCATX(__,FUNC), FUNC)