33 lines
		
	
	
		
			681 B
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			33 lines
		
	
	
		
			681 B
		
	
	
	
		
			C
		
	
	
	
| #include "io.h"
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| 
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| int main(void)
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| {
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|     long long achi, acli, rs, rt;
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|     long long acho, aclo;
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|     long long resulth, resultl;
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| 
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|     rs      = 0x00BBAACC;
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|     rt      = 0x0B1C3D2F;
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|     achi    = 0x00004433;
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|     acli    = 0xFFCC0011;
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|     resulth = 0xFFFFFFFFFFF81F29;
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|     resultl = 0xFFFFFFFFB355089D;
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| 
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|     __asm
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|         ("mthi %2, $ac1\n\t"
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|          "mtlo %3, $ac1\n\t"
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|          "msubu $ac1, %4, %5\n\t"
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|          "mfhi %0, $ac1\n\t"
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|          "mflo %1, $ac1\n\t"
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|          : "=r"(acho), "=r"(aclo)
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|          : "r"(achi), "r"(acli), "r"(rs), "r"(rt)
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|         );
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|     if ((acho != resulth) || (aclo != resultl)) {
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|         printf("msubu wrong\n");
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| 
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|         return -1;
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|     }
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| 
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|     return 0;
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| }
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