From: Richard Henderson <rth@twiddle.net>
Date: Thu, 14 Feb 2013 01:47:37 +0000 (-0800)
Subject: bitops: Use non-bitops ctzl
X-Git-Tag: qemu-xen-4.4.0-rc1~6^2~1123
X-Git-Url: http://xenbits.xensource.com/gitweb?a=commitdiff_plain;h=265ce4a5ca39fb7f74a803dd61bbd9108ca6cdee;p=qemu-xen.git

bitops: Use non-bitops ctzl

The use of ctz has already eliminated zero, and thus the difference
in edge conditions between the two routines is irrelevant.

Signed-off-by: Richard Henderson <rth@twiddle.net>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
---

diff --git a/util/bitops.c b/util/bitops.c
index 7b853cf944..9cd1c3a24c 100644
--- a/util/bitops.c
+++ b/util/bitops.c
@@ -60,7 +60,7 @@ found_first:
         return result + size;	/* Nope. */
     }
 found_middle:
-    return result + bitops_ctzl(tmp);
+    return result + ctzl(tmp);
 }
 
 /*