| 1 | .data 32 |
| 2 | fmt: |
| 3 | .c "nfibs(%d) = %d\n" |
| 4 | |
| 5 | .code |
| 6 | jmpi main |
| 7 | |
| 8 | name rfibs |
| 9 | rfibs: |
| 10 | prolog |
| 11 | arg $in |
| 12 | getarg %r0 $in /* R0 = N */ |
| 13 | beqi out %r0 0 |
| 14 | movr %v0 %r0 /* V0 = R0 */ |
| 15 | movi %r0 1 |
| 16 | blei_u out %v0 2 |
| 17 | subi %v1 %v0 1 /* V1 = N-1 */ |
| 18 | subi %v2 %v0 2 /* V1 = N-2 */ |
| 19 | prepare |
| 20 | pushargr %v1 |
| 21 | finishi rfibs |
| 22 | retval %v1 /* V1 = rfibs(N-1) */ |
| 23 | prepare |
| 24 | pushargr %v2 |
| 25 | finishi rfibs |
| 26 | retval %r0 /* R0 = rfibs(N-2) */ |
| 27 | addr %r0 %r0 %v1 |
| 28 | out: |
| 29 | retr %r0 |
| 30 | epilog |
| 31 | |
| 32 | name main |
| 33 | main: |
| 34 | prolog |
| 35 | prepare |
| 36 | pushargi 32 |
| 37 | finishi rfibs |
| 38 | retval %v0 |
| 39 | prepare |
| 40 | pushargi fmt |
| 41 | ellipsis |
| 42 | pushargi 32 |
| 43 | pushargr %v0 |
| 44 | finishi @printf |
| 45 | ret |
| 46 | epilog |