scc

commit fa31b3c3f732be9e1b96552c9d63380fe1c65886
parent 0f4ff07f5e70ab058cc15831e24a5f7bce5e97a5
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Fri, 20 Mar 2015 19:05:23 -0400

Assign type to return nodes

It is important to give types in all the nodes, because
in other case we can have problems in the optimization
part.

Diffstat:
M
cc2/cgen.c
 | 
3
+--
M
cc2/parser.c
 | 
6
++++--

2 files changed, 5 insertions(+), 4 deletions(-)
diff --git a/cc2/cgen.c b/cc2/cgen.c
@@ -215,8 +215,7 @@ accum(Node *np)
 	case 2:
 		moveto(np, HL);
 		break;
-	case 4:
-	case 8:
+	default:
 		abort();
 	}
 }
diff --git a/cc2/parser.c b/cc2/parser.c
@@ -457,13 +457,15 @@ expression(char *token)
 static void
 oreturn(char *token)
 {
-	Node *np = newnode();
+	Node *np = newnode(), *lp;
 
 	np->op = token[0];
 
 	if (token = strtok(NULL, "\t")) {
 		expr(token);
-		np -> left = pop();
+		lp = pop();
+		np ->left = lp;
+		np->type = lp->type;
 	} else {
 		np->left = NULL;
 	}