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| Commit | Line | Data |
|---|---|---|
| 9d1834ba | 1 | /* Kfrexpd.s 1.3 86/01/05 */ |
| 2b252132 | 2 | |
| 9d1834ba | 3 | #include "../tahoe/SYS.h" |
| 2b252132 | 4 | |
| 44dea9c1 | 5 | .text |
| 2b252132 | 6 | ENTRY(Kfrexpd, 0) |
| 44dea9c1 SL |
7 | subl3 $60,fp,sp |
| 8 | clrl -60(fp) | |
| 9 | clrl -56(fp) | |
| 10 | tstl 4(fp) | |
| 2b252132 | 11 | jgeq 1f |
| 44dea9c1 SL |
12 | lnd 4(fp) |
| 13 | std 4(fp) | |
| 14 | movl $1,-56(fp) | |
| 2b252132 SL |
15 | 1: |
| 16 | cmpd2 4(fp),one | |
| 17 | jleq 1f | |
| 18 | 2: | |
| 19 | cmpd2 4(fp),one | |
| 20 | jleq 3f | |
| 44dea9c1 SL |
21 | addl2 $1,-60(fp) |
| 22 | pushl 16(fp) # hfs | |
| 2b252132 SL |
23 | pushl two+4 # ldd 2.0 |
| 24 | pushl two | |
| 44dea9c1 SL |
25 | pushl 8(fp) |
| 26 | pushl 4(fp) # acc | |
| 27 | callf $24,_Kdivd | |
| 28 | ldd r0 | |
| 29 | std 4(fp) | |
| 2b252132 SL |
30 | jbr 2b |
| 31 | 1: cmpd2 4(fp),half | |
| 32 | jlss 2f | |
| 33 | jbr 3f | |
| 34 | 0: | |
| 44dea9c1 SL |
35 | subl2 $1,-60(fp) |
| 36 | pushl 16(fp) # hfs | |
| 2b252132 SL |
37 | ldd two; pushd # 2.0 |
| 38 | ldd 4(fp); pushd # acc | |
| 44dea9c1 SL |
39 | callf $24,_Kmuld |
| 40 | ldd r0 | |
| 41 | std 4(fp) | |
| 2b252132 SL |
42 | 2: |
| 43 | cmpd2 4(fp),half | |
| 44 | jlss 0b | |
| 45 | 3: movl -60(fp),*12(fp) | |
| 44dea9c1 | 46 | tstl -56(fp) |
| 2b252132 | 47 | jeql 1f |
| 44dea9c1 SL |
48 | lnd 4(fp) |
| 49 | std 4(fp) | |
| 2b252132 SL |
50 | 1: |
| 51 | movl 8(fp),r1 | |
| 44dea9c1 SL |
52 | movl 4(fp),r0 |
| 53 | ret | |
| 2b252132 SL |
54 | .data |
| 55 | .align 2 | |
| 56 | one: .long 0x40800000, 0x00000000 # .double 1 | |
| 57 | two: .long 0x41000000, 0x00000000 # .double 2 | |
| 58 | half: .long 0x40000000, 0x00000000 # .double 0.5 |