rot matcher incorrect

[r20508]

ir/be/test/fehler114.c

+unsigned x = 0xAABBCCDD;
+unsigned y = 15;
+unsigned z = 12;
+
+int main(void) {
+    unsigned t = x;
+    unsigned t2 = y;
+    unsigned l = z;
+    printf("%X\n", (t << t2) | (t >> (32 - l)));
+    return 0;
+}