/* | |
* Generic 64-bit floating point "/2addr" binary operation. Provide | |
* an "instr" line that specifies an instruction that performs | |
* "d2 = d0 op d1". | |
* | |
* For: add-double/2addr, sub-double/2addr, mul-double/2addr, | |
* div-double/2addr | |
*/ | |
/* binop/2addr vA, vB */ | |
mov r3, rINST, lsr #12 @ r3<- B | |
ubfx r9, rINST, #8, #4 @ r9<- A | |
VREG_INDEX_TO_ADDR r3, r3 @ r3<- &vB | |
CLEAR_SHADOW_PAIR r9, ip, r0 @ Zero out shadow regs | |
fldd d1, [r3] @ d1<- vB | |
VREG_INDEX_TO_ADDR r9, r9 @ r9<- &vA | |
FETCH_ADVANCE_INST 1 @ advance rPC, load rINST | |
fldd d0, [r9] @ d0<- vA | |
$instr @ d2<- op | |
GET_INST_OPCODE ip @ extract opcode from rINST | |
fstd d2, [r9] @ vAA<- d2 | |
GOTO_OPCODE ip @ jump to next instruction |