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Diffstat (limited to 'sysdeps/s390/fpu/e_sqrtl.c')
-rw-r--r--sysdeps/s390/fpu/e_sqrtl.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/sysdeps/s390/fpu/e_sqrtl.c b/sysdeps/s390/fpu/e_sqrtl.c
new file mode 100644
index 0000000000..e1daac1974
--- /dev/null
+++ b/sysdeps/s390/fpu/e_sqrtl.c
@@ -0,0 +1,30 @@
+/* Square root. S/390 FPU version.
+ Copyright (C) 2004, 2006 Free Software Foundation, Inc.
+ Contributed by Martin Schwidefsky (schwidefsky@de.ibm.com).
+ 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 <math_private.h>
+
+long double
+__ieee754_sqrtl (long double x)
+{
+ long double res;
+
+ asm ( "sqxbr %0,%1" : "=f" (res) : "f" (x) );
+ return res;
+}