| Douglas Leung | 200f040 | 2016-02-25 20:05:47 -0800 | [diff] [blame] | 1 | /* |
| Alexey Frunze | 84603bf | 2016-10-21 19:54:43 -0700 | [diff] [blame] | 2 | * Generic 64-bit floating-point binary operation. Provide an "instr" |
| 3 | * line that specifies an instruction that performs "fv0 = fa0 op fa1". |
| Douglas Leung | 200f040 | 2016-02-25 20:05:47 -0800 | [diff] [blame] | 4 | * This could be an MIPS instruction or a function call. |
| 5 | * |
| 6 | * for: add-double, sub-double, mul-double, div-double, |
| 7 | * rem-double |
| 8 | * |
| 9 | */ |
| 10 | /* binop vAA, vBB, vCC */ |
| 11 | FETCH(a0, 1) # a0 <- CCBB |
| Alexey Frunze | 84603bf | 2016-10-21 19:54:43 -0700 | [diff] [blame] | 12 | GET_OPA(rOBJ) # rOBJ <- AA |
| Douglas Leung | 200f040 | 2016-02-25 20:05:47 -0800 | [diff] [blame] | 13 | and a2, a0, 255 # a2 <- BB |
| 14 | srl a3, a0, 8 # a3 <- CC |
| 15 | EAS2(a2, rFP, a2) # a2 <- &fp[BB] |
| 16 | EAS2(t1, rFP, a3) # a3 <- &fp[CC] |
| 17 | LOAD64_F(fa0, fa0f, a2) |
| 18 | LOAD64_F(fa1, fa1f, t1) |
| 19 | |
| 20 | FETCH_ADVANCE_INST(2) # advance rPC, load rINST |
| 21 | $instr |
| Douglas Leung | 200f040 | 2016-02-25 20:05:47 -0800 | [diff] [blame] | 22 | GET_INST_OPCODE(t0) # extract opcode from rINST |
| Alexey Frunze | 84603bf | 2016-10-21 19:54:43 -0700 | [diff] [blame] | 23 | SET_VREG64_F_GOTO(fv0, fv0f, rOBJ, t0) # vAA/vAA+1 <- fv0 |