diff -up firefox-68.0/security/nss/lib/freebl/mpi/mpcpucache.c.old firefox-68.0/security/nss/lib/freebl/mpi/mpcpucache.c

--- firefox-68.0/security/nss/lib/freebl/mpi/mpcpucache.c.old	2019-07-26 07:09:02.383303420 +0200

+++ firefox-68.0/security/nss/lib/freebl/mpi/mpcpucache.c	2019-07-26 07:09:27.228193798 +0200

@@ -727,7 +727,7 @@ static inline void

 dcbzl(char *array)

 {

     register char *a asm("r2") = array;

-    __asm__ __volatile__("dcbzl %0,r0"

+    __asm__ __volatile__("dcbzl %0,0"

                          : "=r"(a)

                          : "0"(a));

 }