1    /*
2     * Long integer shift.  This is different from the generic 32/64-bit
3     * binary operations because vAA/vBB are 64-bit but vCC (the shift
4     * distance) is 32-bit.  Also, Dalvik requires us to ignore all but the low
5     * 6 bits.
6     */
7    /* ushr-long vAA, vBB, vCC */
8    and     r2, r2, #63                 @ r0<- r0 & 0x3f
9    mov     r0, r0, lsr r2              @  r0<- r2 >> r2
10    rsb     r3, r2, #32                 @  r3<- 32 - r2
11    orr     r0, r0, r1, asl r3          @  r0<- r0 | (r1 << (32-r2))
12    subs    ip, r2, #32                 @  ip<- r2 - 32
13    movpl   r0, r1, lsr ip              @  if r2 >= 32, r0<-r1 >>> (r2-32)
14    mov     r1, r1, lsr r2              @  r1<- r1 >>> r2
15    bx      lr
16