public void visitVarInsn(final int opcode, final int var) {
		if (var < 4 && opcode != RET) {
			minSize += 1;
			maxSize += 1;
		} else if (var >= 256) {
			minSize += 4;
			maxSize += 4;
		} else {
			minSize += 2;
			maxSize += 2;
		}
		if (mv != null) {
			mv.visitVarInsn(opcode, var);
		}
	}