From 154b857c95773f7ea7fa3b5cb5ad90b0b06c2760 Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Mon, 30 Mar 2009 23:17:11 +0000 Subject: * ffsll.c (ffsll): Correct implementation. --- gold/ffsll.c | 11 ++++++++--- 1 file changed, 8 insertions(+), 3 deletions(-) (limited to 'gold/ffsll.c') diff --git a/gold/ffsll.c b/gold/ffsll.c index aeae845..b247bc3 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; } -- cgit v1.1