/* | |
* Long integer shift. This is different from the generic 32/64-bit | |
* binary operations because vAA/vBB are 64-bit but vCC (the shift | |
* distance) is 32-bit. Also, Dalvik requires us to ignore all but the low | |
* 6 bits. | |
*/ | |
/* shr-long vAA, vBB, vCC */ | |
and r2, r2, #63 @ r0<- r0 & 0x3f | |
mov r0, r0, lsr r2 @ r0<- r2 >> r2 | |
rsb r3, r2, #32 @ r3<- 32 - r2 | |
orr r0, r0, r1, asl r3 @ r0<- r0 | (r1 << (32-r2)) | |
subs ip, r2, #32 @ ip<- r2 - 32 | |
movpl r0, r1, asr ip @ if r2 >= 32, r0<-r1 >> (r2-32) | |
mov r1, r1, asr r2 @ r1<- r1 >> r2 | |
bx lr |