shithub: scc

Info  •  Files  •  Log  •  Branches

Fix constant calculation in node()

Non constant nodes make descendat non constant
independent of the other node, so we need &
and not |.

--- a/cc1/code.c

+++ b/cc1/code.c

@@ -321,14 +321,15 @@

 	np->op = op;

 	np->type = tp;

 	np->sym = NULL;

-	np->constant = np->symbol = np->lvalue = 0;

+	np->symbol = np->lvalue = 0;

+	np->constant = 1;

 	np->left = lp;

 	np->right = rp;

 	if (lp)

-		np->constant |= lp->constant;

+		np->constant &= lp->constant;

 	if (rp)

-		np->constant |= rp->constant;

+		np->constant &= rp->constant;

 	return np;

 }