/* * 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. x86 shifts automatically mask off * the low 5 bits of %cl, so have to handle the 64 > shiftcount > 31 * case specially. */ /* shr-long vAA, vBB, vCC */ /* ecx gets shift count */ /* Need to spill rIBASE */ /* rINSTw gets AA */ movzbl 2(rPC), %eax # eax <- BB movzbl 3(rPC), %ecx # ecx <- CC movl rIBASE, LOCAL0(%esp) GET_VREG_HIGH rIBASE, %eax # rIBASE<- v[BB+1] GET_VREG %ecx, %ecx # ecx <- vCC GET_VREG %eax, %eax # eax <- v[BB+0] shrdl rIBASE, %eax sarl %cl, rIBASE testb $$32, %cl je 2f movl rIBASE, %eax sarl $$31, rIBASE 2: SET_VREG_HIGH rIBASE, rINST # v[AA+1] <- rIBASE movl LOCAL0(%esp), rIBASE SET_VREG %eax, rINST # v[AA+0] <- eax ADVANCE_PC_FETCH_AND_GOTO_NEXT 2