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1 | dpavlin | 2 | /* |
2 | * $Id: test_addu.S,v 1.1 2004/08/22 21:22:30 debug Exp $ | ||
3 | * | ||
4 | * Instruction: 'addu' (32-bit add, no overflow exception) | ||
5 | */ | ||
6 | |||
7 | .rdata | ||
8 | .align 3 | ||
9 | $NL: .ascii "\n" | ||
10 | |||
11 | .text | ||
12 | .align 4 | ||
13 | .globl testmain | ||
14 | .ent testmain | ||
15 | testmain: | ||
16 | /* Save the return address: */ | ||
17 | addiu $29,$29,-16 | ||
18 | sd $31,0($29) | ||
19 | |||
20 | |||
21 | dli $6, 0x12345678 | ||
22 | dli $7, 0x9abcdef0 | ||
23 | addu $4, $6, $7 | ||
24 | |||
25 | addiu $5, $0, 8 | ||
26 | jal printhex | ||
27 | |||
28 | dla $4, $NL | ||
29 | jal printstr | ||
30 | |||
31 | |||
32 | dli $6, 0x12345678 | ||
33 | dli $7, -0x9abcdef0 | ||
34 | addu $4, $6, $7 | ||
35 | |||
36 | addiu $5, $0, 8 | ||
37 | jal printhex | ||
38 | |||
39 | dla $4, $NL | ||
40 | jal printstr | ||
41 | |||
42 | |||
43 | /* Return value: */ | ||
44 | li $2, 0x1212fefe | ||
45 | |||
46 | /* Restore the return address: */ | ||
47 | ld $31,0($29) | ||
48 | addiu $29,$29,16 | ||
49 | |||
50 | /* ... and return. */ | ||
51 | jr $31 | ||
52 | |||
53 | .end testmain | ||
54 |
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