 d70080c4e3
			
		
	
	
		d70080c4e3
		
	
	
	
	
		
			
			Add MIPS ASE DSP testcases. Signed-off-by: Jia Liu <proljc@gmail.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
		
			
				
	
	
		
			78 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			78 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			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 rs, rt, dsp;
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|     int ach = 0, acl = 0;
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|     int resulth, resultl, resultdsp;
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| 
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|     rs        = 0x80000000;
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|     rt        = 0x80000000;
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|     resulth   = 0x7FFFFFFF;
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|     resultl   = 0xFFFFFFFF;
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|     resultdsp = 0x01;
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|     __asm
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|         ("mthi        %0, $ac1\n\t"
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|          "mtlo        %0, $ac1\n\t"
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|          "dpaq_sa.l.w $ac1, %3, %4\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"(ach), "+r"(acl), "=r"(dsp)
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|          : "r"(rs), "r"(rt)
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|         );
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|     dsp = (dsp >> 17) & 0x01;
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|     assert(dsp == resultdsp);
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|     assert(ach == resulth);
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|     assert(acl == resultl);
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| 
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|     ach = 0x12;
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|     acl = 0x48;
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|     rs  = 0x80000000;
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|     rt  = 0x80000000;
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| 
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|     resulth   = 0x7FFFFFFF;
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|     resultl   = 0xFFFFFFFF;
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|     resultdsp = 0x01;
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|     __asm
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|         ("mthi        %0, $ac1\n\t"
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|          "mtlo        %0, $ac1\n\t"
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|          "dpaq_sa.l.w $ac1, %3, %4\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"(ach), "+r"(acl), "=r"(dsp)
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|          : "r"(rs), "r"(rt)
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|         );
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|     dsp = (dsp >> 17) & 0x01;
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|     assert(dsp == resultdsp);
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|     assert(ach == resulth);
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|     assert(acl == resultl);
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| 
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|     ach = 0x741532A0;
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|     acl = 0xfceabb08;
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|     rs  = 0x80000000;
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|     rt  = 0x80000000;
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| 
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|     resulth   = 0x7fffffff;
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|     resultl   = 0xffffffff;
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|     resultdsp = 0x01;
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|     __asm
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|         ("mthi        %0, $ac1\n\t"
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|          "mtlo        %0, $ac1\n\t"
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|          "dpaq_sa.l.w $ac1, %3, %4\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"(ach), "+r"(acl), "=r"(dsp)
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|          : "r"(rs), "r"(rt)
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|         );
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|     dsp = (dsp >> 17) & 0x01;
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|     assert(dsp == resultdsp);
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|     assert(ach == resulth);
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|     assert(acl == resultl);
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| 
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|     return 0;
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| }
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