| Douglas Leung | 200f040 | 2016-02-25 20:05:47 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Generic 64-bit "/2addr" binary operation. Provide an "instr" line |
| 3 | * that 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/2addr, sub-double/2addr, mul-double/2addr, |
| 7 | * div-double/2addr, rem-double/2addr |
| 8 | */ |
| 9 | /* binop/2addr vA, vB */ |
| 10 | GET_OPA4(rOBJ) # rOBJ <- A+ |
| 11 | GET_OPB(a1) # a1 <- B |
| 12 | EAS2(a1, rFP, a1) # a1 <- &fp[B] |
| 13 | EAS2(t0, rFP, rOBJ) # t0 <- &fp[A] |
| 14 | LOAD64_F(fa0, fa0f, t0) |
| 15 | LOAD64_F(fa1, fa1f, a1) |
| 16 | |
| 17 | FETCH_ADVANCE_INST(1) # advance rPC, load rINST |
| 18 | $instr |
| 19 | SET_VREG64_F(fv0, fv0f, rOBJ) |
| 20 | GET_INST_OPCODE(t0) # extract opcode from rINST |
| 21 | GOTO_OPCODE(t0) # jump to next instruction |