| 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 32-bit floating-point unary operation. Provide an "instr" |
| 3 | * line that specifies an instruction that performs "fv0 = op fa0". |
| Douglas Leung | 200f040 | 2016-02-25 20:05:47 -0800 | [diff] [blame] | 4 | * This could be a MIPS instruction or a function call. |
| 5 | * |
| Alexey Frunze | 84603bf | 2016-10-21 19:54:43 -0700 | [diff] [blame] | 6 | * for: int-to-float |
| Douglas Leung | 200f040 | 2016-02-25 20:05:47 -0800 | [diff] [blame] | 7 | */ |
| 8 | /* unop vA, vB */ |
| 9 | GET_OPB(a3) # a3 <- B |
| Alexey Frunze | 84603bf | 2016-10-21 19:54:43 -0700 | [diff] [blame] | 10 | GET_OPA4(rOBJ) # rOBJ <- A+ |
| Douglas Leung | 200f040 | 2016-02-25 20:05:47 -0800 | [diff] [blame] | 11 | GET_VREG_F(fa0, a3) |
| 12 | FETCH_ADVANCE_INST(1) # advance rPC, load rINST |
| 13 | $instr |
| Douglas Leung | 200f040 | 2016-02-25 20:05:47 -0800 | [diff] [blame] | 14 | GET_INST_OPCODE(t1) # extract opcode from rINST |
| Alexey Frunze | 84603bf | 2016-10-21 19:54:43 -0700 | [diff] [blame] | 15 | SET_VREG_F_GOTO(fv0, rOBJ, t1) # vA <- fv0 |