--- /dev/null
+/* ffsll.c -- version of ffsll for gold. */
+
+/* Copyright 2009 Free Software Foundation, Inc.
+ Written by Ian Lance Taylor <iant@google.com>.
+
+ This file is part of gold.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program 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 General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+ MA 02110-1301, USA. */
+
+#include "config.h"
+
+#include <string.h>
+
+extern int ffsll (long long);
+
+/* This file implements ffsll for systems which don't have it. We use
+ ffsll if possible because gcc supports it as a builtin which will
+ use a machine instruction if there is one. */
+
+int
+ffsll (long long arg)
+{
+ unsigned long long i;
+ int ret;
+
+ if (arg == 0)
+ ret = 0;
+ else
+ {
+ ret = 1;
+ for (i = (unsigned long long) arg; (i & 1) == 0; i >>= 1)
+ ++ret;
+ }
+ return ret;
+}