/* | |
* Generic 32-bit floating point "/2addr" binary operation. Provide | |
* an "instr" line that specifies an instruction that performs | |
* "s2 = s0 op s1". | |
* | |
* For: add-float/2addr, sub-float/2addr, mul-float/2addr, div-float/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 | |
VREG_INDEX_TO_ADDR r9, r9 @ r9<- &vA | |
flds s1, [r3] @ s1<- vB | |
FETCH_ADVANCE_INST 1 @ advance rPC, load rINST | |
flds s0, [r9] @ s0<- vA | |
$instr @ s2<- op | |
GET_INST_OPCODE ip @ extract opcode from rINST | |
fsts s2, [r9] @ vAA<- s2 | |
GOTO_OPCODE ip @ jump to next instruction |