60 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			60 lines
		
	
	
		
			1.2 KiB
		
	
	
	
		
			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 rs, rt, dsp;
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|     long long achi, acli;
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|     long long acho, aclo;
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|     long long resl, resh;
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| 
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|     achi = 0x4;
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|     acli = 0x4;
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| 
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|     rs = 0x1234567887654321;
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|     rt = 0x8765432112345678;
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| 
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|     resh = 0x4;
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|     resl = 0x4;
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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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|          "mulsaq_s.l.pw $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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| 
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|     if ((acho != resh) || (aclo != resl)) {
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|         printf("1 mulsaq_s.l.pw wrong\n");
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| 
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|         return -1;
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|     }
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| 
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|     achi = 0x4;
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|     acli = 0x4;
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| 
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|     rs = 0x8000000087654321;
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|     rt = 0x8000000012345678;
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| 
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|     resh = 0x4;
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|     resl = 0x1e8ee513;
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|     __asm
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|         ("mthi %3, $ac1\n\t"
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|          "mtlo %4, $ac1\n\t"
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|          "mulsaq_s.l.pw $ac1, %5, %6\n\t"
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|          "mfhi %0, $ac1\n\t"
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|          "mflo %1, $ac1\n\t"
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|          "rddsp %2\n\t"
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|          : "=r"(acho), "=r"(aclo), "=r"(dsp)
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|          : "r"(achi), "r"(acli), "r"(rs), "r"(rt)
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|         );
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|     dsp = (dsp >> 17) & 0x1;
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|     if ((dsp != 0x1) || (acho != resh) || (aclo != resl)) {
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|         printf("2 mulsaq_s.l.pw wrong\n");
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| 
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|         return -1;
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|     }
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|     return 0;
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| }
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