28 lines
		
	
	
		
			495 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			28 lines
		
	
	
		
			495 B
		
	
	
	
		
			C
		
	
	
	
#include "io.h"
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int main(void)
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{
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    long long rd, rs, rt, dsp;
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    long long result, resultdsp;
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    rs = 0x12345678;
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    rt = 0x87654321;
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    result    = 0xFFFFFFFF8ACF1357;
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    resultdsp = 0x01;
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    __asm
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        ("subq.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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    if ((dsp != resultdsp) || (rd  != result)) {
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        printf("subq.ph wrong\n");
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        return -1;
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    }
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    return 0;
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}
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