38 lines
		
	
	
		
			715 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			38 lines
		
	
	
		
			715 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;
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    long long dsp;
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    long long result;
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    rs     = 0x00FF00FF;
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    rt     = 0x00010001;
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    result = 0x01000100;
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    __asm
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        ("addu.ph %0, %1, %2\n\t"
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         : "=r"(rd)
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         : "r"(rs), "r"(rt)
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        );
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    if (rd != result) {
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        printf("1 addu.ph error\n");
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        return -1;
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    }
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    rs     = 0xFFFF1111;
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    rt     = 0x00020001;
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    result = 0x00011112;
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    __asm
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        ("addu.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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    if ((rd != result) || (((dsp >> 20) & 0x01) != 1)) {
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        printf("2 addu.ph error\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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