1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/powerpc/ffs.c b/sysdeps/powerpc/ffs.c
new file mode 100644
index 0000000000..d9d7f267af
--- /dev/null
+++ b/sysdeps/powerpc/ffs.c
@@ -0,0 +1,38 @@
+/* Find first set bit in a word, counted from least significant end.
+   For PowerPC.
+   Copyright (C) 1991, 1992, 1997 Free Software Foundation, Inc.
+   Contributed by Torbjorn Granlund (tege@sics.se).
+
+   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.  */
+
+#include <bstring.h>
+
+#undef	ffs
+
+#ifdef	__GNUC__
+
+int
+ffs (int x)
+{
+  int cnt;
+
+  asm ("cntlzw %0,%1" : "=r" (cnt) : "r" (x & -x));
+  return 32 - cnt;
+}
+
+#else
+#include <sysdeps/generic/ffs.c>
+#endif