1 files changed, 77 insertions, 0 deletions
diff --git a/sysdeps/s390/fpu/bits/mathinline.h b/sysdeps/s390/fpu/bits/mathinline.h
new file mode 100644
index 0000000000..d83d9ca8b8
--- /dev/null
+++ b/sysdeps/s390/fpu/bits/mathinline.h
@@ -0,0 +1,77 @@
+/* Inline math functions for s390.
+   Copyright (C) 2004 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#ifndef _MATH_H
+# error "Never use <bits/mathinline.h> directly; include <math.h> instead."
+#endif
+
+#ifdef __cplusplus
+# define __MATH_INLINE __inline
+#else
+# define __MATH_INLINE extern __inline
+#endif
+
+#if (!defined __NO_MATH_INLINES || defined __LIBC_INTERNAL_MATH_INLINES) \
+    && defined __OPTIMIZE__
+
+#ifdef __USE_ISOC99
+
+/* Test for negative number.  Used in the signbit() macro.  */
+__MATH_INLINE int __signbitf (float __x) __THROW
+{
+  __extension__ union { float __f; int __i; } __u = { __f: __x };
+  return __u.__i < 0;
+}
+
+__MATH_INLINE int __signbit (double __x) __THROW
+{
+  __extension__ union { double __d; long __i; } __u = { __d: __x };
+  return __u.__i < 0;
+}
+
+#endif /* C99 */
+
+/* This code is used internally in the GNU libc.  */
+#ifdef __LIBC_INTERNAL_MATH_INLINES
+
+#include <sysdep.h>
+#include <ldsodefs.h>
+#include <dl-procinfo.h>
+
+__MATH_INLINE double
+__ieee754_sqrt (double x)
+{
+  double res;
+     
+  asm ( "sqdbr %0,%1" : "=f" (res) : "f" (x) );
+  return res;
+}
+
+__MATH_INLINE float
+__ieee754_sqrtf (float x)
+{
+  float res;
+  
+  asm ( "sqebr %0,%1" : "=f" (res) : "f" (x) );
+  return res;
+}
+
+#endif /* __LIBC_INTERNAL_MATH_INLINES */
+
+#endif /* __NO_MATH_INLINES */