/*
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/*
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* Check that there are no pipeline hazards
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* Check that there are no pipeline hazards
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*/
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*/
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lc r100, 0x10000000 // test result output pointer
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lc r100, 0x10000000 // test result output pointer
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lcs r101, halt
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lcs r101, halt
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lcs r102, failure
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lcs r102, failure
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lcs r103, success
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lcs r103, success
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add r0, 100, 50 // r0:=150
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add r0, 100, 50 // r0:=150
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add r1, r0, 3 // r1:=153, potential RAW hazard
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add r1, r0, 3 // r1:=153, potential RAW hazard
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mul r2, r1, 109 // r2:=16677, potential RAW hazard
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mul r2, r1, 109 // r2:=16677, potential RAW hazard
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mul r3, r2, r0 // r3:=2501550, potential RAW hazard
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mul r3, r2, r0 // r3:=2501550, potential RAW hazard
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sub r4, r3, 15 // r4:=2501535, potential RAW hazard
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sub r4, r3, 15 // r4:=2501535, potential RAW hazard
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mul r5, 50, 117 // r2:=5850
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mul r5, 50, 117 // r2:=5850
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sub r5, 100, 9 // r2:=91, overwrites previous result, potential WAW hazard
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sub r5, 100, 9 // r2:=91, overwrites previous result, potential WAW hazard
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lc r6, 1800
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lc r6, 1800
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mul r7, r6, 49 // r7:=88200, potential RAW hazard
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mul r7, r6, 49 // r7:=88200, potential RAW hazard
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mov r6, 1 // r6:=1, potential WAR hazard
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mov r6, 1 // r6:=1, potential WAR hazard
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lc r0, 2501535
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lc r0, 2501535
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cjmpne r102, r4, r0 // failure
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cjmpne r102, r4, r0 // failure
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cjmpne r102, r5, 91 // failure
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cjmpne r102, r5, 91 // failure
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lcs r0, 88200
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lcs r0, 88200
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cjmpne r102, r7, r0 // failure
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cjmpne r102, r7, r0 // failure
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jmp r103 // success
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jmp r103 // success
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failure:
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failure:
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sw r100, 2
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sw r100, 2
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jmp r101 // halt
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jmp r101 // halt
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success:
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success:
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sw r100, 1 // success
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sw r100, 1 // success
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halt:
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halt:
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hlt
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hlt
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jmp r101 // halt
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jmp r101 // halt
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