scc

commit 6590f76d9831666123aa9aa0de715f0b56b69126
parent 7c9e9d8479731a93dbbd18a06877b32f282d113e
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Sat,  4 Feb 2017 22:01:03 +0100

[cc1] Add fold case for !!

	!!(a || b)

In this case we will have to ONEG together which can be folded.

Diffstat:
M
cc1/fold.c
 | 
4
++++

1 file changed, 4 insertions(+), 0 deletions(-)
diff --git a/cc1/fold.c b/cc1/fold.c
@@ -377,6 +377,10 @@ foldunary(Node *np, Node *l)
 	Node *aux;
 
 	switch (np->op) {
+	case ONEG:
+		if (l->op == ONEG)
+			break;
+		return NULL;
 	case OADD:
 		DBG("FOLD unary delete %d", np->op);
 		np->left = NULL;