| Douglas Leung | 200f040 | 2016-02-25 20:05:47 -0800 | [diff] [blame^] | 1 | /* |
| 2 | * Generic 32-bit "/2addr" binary operation. Provide an "instr" |
| 3 | * that specifies an instruction that performs "result = a0 op a1". |
| 4 | * This could be an MIPS instruction or a function call. |
| 5 | * |
| 6 | * For: add-float/2addr, sub-float/2addr, mul-float/2addr, |
| 7 | * div-float/2addr, rem-float/2addr |
| 8 | */ |
| 9 | /* binop/2addr vA, vB */ |
| 10 | GET_OPA4(rOBJ) # t1 <- A+ |
| 11 | GET_OPB(a3) # a3 <- B |
| 12 | GET_VREG_F(fa0, rOBJ) |
| 13 | GET_VREG_F(fa1, a3) |
| 14 | FETCH_ADVANCE_INST(1) # advance rPC, load rINST |
| 15 | |
| 16 | $instr |
| 17 | SET_VREG_F(fv0, rOBJ) # vAA <- result |
| 18 | GET_INST_OPCODE(t0) # extract opcode from rINST |
| 19 | GOTO_OPCODE(t0) # jump to next instruction |