qbe

commit 730bce080ca9402dab010d85eba0d80b84940000
parent 67d3c2834d61026d5556cf9846f707844109cf33
Author: Quentin Carbonneaux <quentin.carbonneaux@yale.edu>
Date:   Fri, 14 Aug 2015 16:12:25 -0400

avoid depending on uninitialized r

Diffstat:
M
lisc/rega.c
 | 
3
++-

1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/lisc/rega.c b/lisc/rega.c
@@ -352,7 +352,8 @@ rega(Fn *fn)
 				}
 				if (i->to.val >= Tmp0)
 					i->to = reg(r, i->to.val);
-			}
+			} else
+				r = 0;
 			if (rtype(i->arg[0]) == RTmp) {
 				/* <arch>
 				 *   on Intel, we attempt to