|
Last change
on this file was
81,
checked in by rosiere, 17 years ago
|
- Finish Environment (and test)
- Continue predictor_unit
- Add external tools
- svn keyword "Id" set
|
-
Property svn:keywords set to
Id
|
|
File size:
1.4 KB
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| Line | |
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| 1 | /******************************************** |
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| 2 | * files : asm_014_cmov.s |
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| 3 | * authors : Rosiere Mathieu |
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| 4 | * date : 2006/06/20 |
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| 5 | ******************************************** |
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| 6 | * input : - |
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| 7 | * output : 1 test OK |
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| 8 | * 0 test KO |
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| 9 | ******************************************** |
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| 10 | * test : |
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| 11 | * warning : instruction ok |
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| 12 | * l.addi |
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| 13 | * l.and |
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| 14 | * l.jal |
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| 15 | * l.jr |
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| 16 | * l.lwz |
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| 17 | * l.or |
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| 18 | * l.ori |
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| 19 | * l.sfeq |
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| 20 | * l.sw |
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| 21 | ******************************************** |
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| 22 | */ |
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| 23 | .file "asm_014_cmov.s" |
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| 24 | .section .text |
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| 25 | .align 4 |
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| 26 | |
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| 27 | .global _asm_014_cmov |
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| 28 | _asm_014_cmov : |
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| 29 | /* save context */ |
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| 30 | l.addi r1,r1,-16 |
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| 31 | l.sw 0 (r1),r20 |
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| 32 | l.sw 4 (r1),r21 |
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| 33 | l.sw 8 (r1),r22 |
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| 34 | l.sw 12(r1),r23 |
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| 35 | /* Return is KO (default)*/ |
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| 36 | l.and r11,r0,r0 |
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| 37 | |
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| 38 | l.and r20,r0,r0 |
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| 39 | l.movhi r21,0x5555 |
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| 40 | l.ori r21,r21,0x5555 |
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| 41 | l.movhi r22,0xaaaa |
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| 42 | l.ori r22,r22,0xaaaa |
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| 43 | |
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| 44 | /* set flag 1 */ |
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| 45 | l.sfeq r0,r0 |
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| 46 | l.cmov r20,r21,r0 |
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| 47 | |
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| 48 | /* set flag 0 */ |
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| 49 | l.sfne r0,r0 |
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| 50 | l.cmov r23,r0,r22 |
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| 51 | |
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| 52 | l.or r20,r20,r23 |
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| 53 | |
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| 54 | l.sfeqi r20,-1 |
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| 55 | l.bnf _asm_014_cmov_ko |
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| 56 | l.nop 0 |
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| 57 | |
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| 58 | _asm_014_cmov_ok : |
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| 59 | l.addi r11,r0,1 |
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| 60 | _asm_014_cmov_ko : |
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| 61 | |
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| 62 | /* load context */ |
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| 63 | l.lwz r23,12(r1) |
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| 64 | l.lwz r22,8 (r1) |
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| 65 | l.lwz r21,4 (r1) |
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| 66 | l.lwz r20,0 (r1) |
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| 67 | l.jr r9 |
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| 68 | l.addi r1,r1,16 |
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| 69 | |
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