26 lines
		
	
	
		
			441 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			26 lines
		
	
	
		
			441 B
		
	
	
	
		
			C
		
	
	
	
| #include<stdio.h>
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| #include<assert.h>
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| 
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| int main()
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| {
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|     int rd, rs, rt, dsp;
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|     int result, resultdsp;
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| 
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|     rs = 0x87654321;
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|     rt = 0x12345678;
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|     result    = 0x75310000;
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|     resultdsp = 0x01;
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| 
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|     __asm
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|         ("subu_s.ph %0, %2, %3\n\t"
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|          "rddsp %1\n\t"
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|          : "=r"(rd), "=r"(dsp)
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|          : "r"(rs), "r"(rt)
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|         );
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|     dsp = (dsp >> 20) & 0x01;
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|     assert(dsp == resultdsp);
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|     assert(rd  == result);
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| 
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|     return 0;
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| }
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