--- valgrind-3.9.0/VEX/priv/guest_s390_toIR.c.orig	2013-11-07 22:45:58.021660641 +0100

+++ valgrind-3.9.0/VEX/priv/guest_s390_toIR.c	2013-11-07 22:46:12.319772145 +0100

@@ -7606,7 +7606,7 @@

       put_gpr_dw0(r1, binop(Iop_And64, mkexpr(op2), mkU64(mask)));

    }

    assign(result, get_gpr_dw0(r1));

-   s390_cc_thunk_putS(S390_CC_OP_LOAD_AND_TEST, op2);

+   s390_cc_thunk_putS(S390_CC_OP_LOAD_AND_TEST, result);

    return "risbg";

 }