scc

commit 222655d71caa72a961f0a1573b42f48a891c5808
parent f1182f58c64e86472355891de7a035d984032d06
Author: Roberto E. Vargas Caballero <k0ga@shike2.com>
Date:   Sun, 10 Aug 2014 23:03:19 +0200

Use type size in increments of pointers in cc1

The code was using always a value of 1, even in the case of
pointers, where the correct value is the size of the pointer.

Diffstat:
M
cc1/expr.c
 | 
7
++++++-

1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/cc1/expr.c b/cc1/expr.c
@@ -340,6 +340,7 @@ static Node *
 incdec(Node *np, char op)
 {
 	Type *tp = np->type;
+	Node *inc;
 
 	chklvalue(np, np->type);
 
@@ -347,11 +348,15 @@ incdec(Node *np, char op)
 	case PTR:
 		if (!tp->defined)
 			error("invalid use of indefined type");
+		inc = sizeofcode(tp->type);
+		break;
 	case INT: case FLOAT:
-		return arithmetic(op, np, symcode(one));
+		inc = symcode(one);
+		break;
 	default:
 		error("incorrect type in arithmetic operation");
 	}
+	return arithmetic(op, np, inc);
 }
 
 static Node *