blob: cc0811295b777e6a76b4e518295217a8dfac1fcb [file] [log] [blame]
/*
* 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 mask off the low
* 6 bits of the shift distance.
*/
/* shl-long vAA, vBB, vCC */
FETCH(a0, 1) # a0 <- CCBB
GET_OPA(t2) # t2 <- AA
and a3, a0, 255 # a3 <- BB
srl a0, a0, 8 # a0 <- CC
EAS2(a3, rFP, a3) # a3 <- &fp[BB]
GET_VREG(a2, a0) # a2 <- vCC
LOAD64(a0, a1, a3) # a0/a1 <- vBB/vBB+1
FETCH_ADVANCE_INST(2) # advance rPC, load rINST
GET_INST_OPCODE(t0) # extract opcode from rINST
andi v1, a2, 0x20 # shift< shift & 0x20
sll v0, a0, a2 # rlo<- alo << (shift&31)
bnez v1, .L${opcode}_finish
not v1, a2 # rhi<- 31-shift (shift is 5b)
srl a0, 1
srl a0, v1 # alo<- alo >> (32-(shift&31))
sll v1, a1, a2 # rhi<- ahi << (shift&31)
or v1, a0 # rhi<- rhi | alo
SET_VREG64_GOTO(v0, v1, t2, t0) # vAA/vAA+1 <- v0/v1
%break
.L${opcode}_finish:
SET_VREG64_GOTO(zero, v0, t2, t0) # vAA/vAA+1 <- rlo/rhi