/* * 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