/* | |
* Generic 64-bit double-precision floating point binary operation. | |
* Provide an "instr" line that specifies an instruction that performs | |
* "d2 = d0 op d1". | |
* | |
* for: add-double, sub-double, mul-double, div-double | |
*/ | |
/* doubleop vAA, vBB, vCC */ | |
FETCH(r0, 1) @ r0<- CCBB | |
mov r9, rINST, lsr #8 @ r9<- AA | |
mov r3, r0, lsr #8 @ r3<- CC | |
and r2, r0, #255 @ r2<- BB | |
VREG_INDEX_TO_ADDR(r3, r3) @ r3<- &vCC | |
VREG_INDEX_TO_ADDR(r2, r2) @ r2<- &vBB | |
fldd d1, [r3] @ d1<- vCC | |
fldd d0, [r2] @ d0<- vBB | |
FETCH_ADVANCE_INST(2) @ advance rPC, load rINST | |
$instr @ s2<- op | |
GET_INST_OPCODE(ip) @ extract opcode from rINST | |
VREG_INDEX_TO_ADDR(r9, r9) @ r9<- &vAA | |
fstd d2, [r9] @ vAA<- d2 | |
GOTO_OPCODE(ip) @ jump to next instruction |