/* | |
* 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 | |
mov r9, rINST, lsr #8 @ r9<- A+ | |
VREG_INDEX_TO_ADDR(r3, r3) @ r3<- &vB | |
and r9, r9, #15 @ r9<- A | |
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 |