ref: 1220f2d67439a31cff760ae7d97818a8f84fec87
parent: 020554b30192131ab687d5bfb6b89b3518173085
author: Roberto E. Vargas Caballero <k0ga@shike2.com>
date: Fri Mar 13 05:39:33 EDT 2015
Improve optcasts Copy type only when it is needed, not always (for example when they are the same)
--- a/cc2/optm.c
+++ b/cc2/optm.c
@@ -27,7 +27,9 @@
tp = &np->type;
break;
default:
- np->type = *tp;
+ if (np->type.size > tp->size)
+ np->type = *tp;
+ break;
}
np->left = optcasts(np->left, tp);