| Douglas Leung | 200f040 | 2016-02-25 20:05:47 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Generic 64-bit binary operation. Provide an "instr" line that |
| 3 | * specifies an instruction that performs "result = a0-a1 op a2-a3". |
| 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 |
| 12 | GET_OPA(rOBJ) # s5 <- AA |
| 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 | $instr |
| 22 | SET_VREG64_F(fv0, fv0f, rOBJ) |
| 23 | b .L${opcode}_finish |
| 24 | %break |
| 25 | |
| 26 | .L${opcode}_finish: |
| 27 | GET_INST_OPCODE(t0) # extract opcode from rINST |
| 28 | GOTO_OPCODE(t0) # jump to next instruction |