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+/* Internal libc stuff for 128-bit IEEE FP emulation routines.
+ Copyright (C) 1997 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 Library General Public License as
+ published by the Free Software Foundation; either version 2 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
+ Library General Public License for more details.
+
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _QUAD_FLOAT_H
+#define _QUAD_FLOAT_H 1
+
+#include <fenv_libc.h>
+
+/* Returns the number of leading zero bits in 'x' (between 0 and 32
+ inclusive). 'x' is treated as being 32 bits long. */
+#define cntlzw(x) \
+ ({ unsigned p = (x); \
+ unsigned r; \
+ asm ("cntlzw %0,%1" : "=r"(r) : "r"(p)); \
+ r; })
+
+/* Returns the number of leading zero bits in 'x' (between 0 and 64
+ inclusive). 'x' is treated as being 64 bits long. */
+#define cntlzd(x) \
+ ({ unsigned long long q = (x); \
+ unsigned int c1, c2; \
+ c1 = cntlzw(q >> 32); \
+ c2 = cntlzw(q); \
+ c1 + (-(c1 >> 5) & c2); })
+
+#define shift_and_or
+
+#endif /* quad_float.h */