scc

commit b50a3944fd28e8e2e607edf3836df821e0a49c0e
parent fa31b3c3f732be9e1b96552c9d63380fe1c65886
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Fri, 20 Mar 2015 19:24:52 -0400

Fix bug in allocreg()

The test of the loop was done in np instead of
doing it in r, that was the node pointer of
the register.

Diffstat:
M
cc2/cgen.c
 | 
2
+-

1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/cc2/cgen.c b/cc2/cgen.c
@@ -106,7 +106,7 @@ allocreg(Node *np)
 	}
 	for (bp = ary; c = *bp; ++bp) {
 		r = reguse[c];
-		if (np && !np->used)
+		if (r && !r->used)
 			continue;
 		moveto(np, c);
 	}