1 %verify "executed" 2 /* 3 * Long integer shift. This is different from the generic 32/64-bit 4 * binary operations because vAA/vBB are 64-bit but vCC (the shift 5 * distance) is 32-bit. Also, Dalvik requires us to mask off the low 6 * 6 bits of the shift distance. x86 shifts automatically mask off 7 * the low 5 bits of %cl, so have to handle the 64 > shiftcount > 31 8 * case specially. 9 */ 10 /* shr-long vAA, vBB, vCC */ 11 /* ecx gets shift count */ 12 /* Need to spill rIBASE */ 13 /* rINSTw gets AA */ 14 movzbl 2(rPC),%eax # eax<- BB 15 movzbl 3(rPC),%ecx # ecx<- CC 16 SPILL(rIBASE) 17 GET_VREG_WORD rIBASE %eax 1 # rIBASE<- v[BB+1] 18 GET_VREG_R %ecx %ecx # ecx<- vCC 19 GET_VREG_WORD %eax %eax 0 # eax<- v[BB+0] 20 shrdl rIBASE,%eax 21 shrl %cl,rIBASE 22 testb $$32,%cl 23 je 2f 24 movl rIBASE,%eax 25 xorl rIBASE,rIBASE 26 2: 27 SET_VREG_WORD rIBASE rINST 1 # v[AA+1]<- rIBASE 28 FETCH_INST_OPCODE 2 %ecx 29 UNSPILL(rIBASE) 30 SET_VREG_WORD %eax rINST 0 # v[BB+0]<- eax 31 ADVANCE_PC 2 32 GOTO_NEXT_R %ecx 33
