Fix compiler warnings.

Compiler warned about comparison between signed and unsigned values.

1 files changed, 1 insertions, 1 deletions

diff --git a/spill.c b/spill.c
index d3a11f7..77496f6 100644
--- a/spill.c
+++ b/spill.c
@@ -77,7 +77,7 @@ fillcost(Fn *fn)
 			}
 		}
 		n = b->loop;
-		for (i=b->ins; i-b->ins < b->nins; i++) {
+		for (i=b->ins; i<&b->ins[b->nins]; i++) {
 			tmpuse(i->to, 0, n, fn);
 			tmpuse(i->arg[0], 1, n, fn);
 			tmpuse(i->arg[1], 1, n, fn);