From: Ian Lance Taylor <ian@airs.com>
Date: Mon, 30 Mar 2009 23:17:11 +0000 (+0000)
Subject: 	* ffsll.c (ffsll): Correct implementation.
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=154b857c95773f7ea7fa3b5cb5ad90b0b06c2760;p=binutils-gdb.git

	* ffsll.c (ffsll): Correct implementation.
---

diff --git a/gold/ChangeLog b/gold/ChangeLog
index b6ad2e29420..0726507999e 100644
--- a/gold/ChangeLog
+++ b/gold/ChangeLog
@@ -1,3 +1,7 @@
+2009-03-30  Ian Lance Taylor  <iant@google.com>
+
+	* ffsll.c (ffsll): Correct implementation.
+
 2009-03-27  Ian Lance Taylor  <iant@google.com>
 
 	* ffsll.c: New file.
diff --git a/gold/ffsll.c b/gold/ffsll.c
index aeae845f094..b247bc30af3 100644
--- a/gold/ffsll.c
+++ b/gold/ffsll.c
@@ -36,8 +36,13 @@ ffsll (long long arg)
   unsigned long long i;
   int ret;
 
-  ret = 0;
-  for (i = (unsigned long long) arg; i != 0; i >>= 1)
-    ++ret;
+  if (arg == 0)
+    ret = 0;
+  else
+    {
+      ret = 1;
+      for (i = (unsigned long long) arg; (i & 1) == 0; i >>= 1)
+	++ret;
+    }
   return ret;
 }