 ecbb5ea104
			
		
	
	
		ecbb5ea104
		
	
	
	
	
		
			
			The conditions to detect overflow in sub operations was wrong. This patch is necessary to boot Tru64. Signed-off-by: Tristan Gingold <gingold@adacore.com> Signed-off-by: Aurelien Jarno <aurelien@aurel32.net> git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@7073 c046a42c-6fe2-441c-8c8c-71466251a162
		
			
				
	
	
		
			30 lines
		
	
	
		
			523 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			30 lines
		
	
	
		
			523 B
		
	
	
	
		
			C
		
	
	
	
	
	
| static long test_subqv (long a, long b)
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| {
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|   long res;
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| 
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|   asm ("subq/v %1,%2,%0"
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|        : "=r" (res) : "r" (a), "r" (b));
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|   return res;
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| }
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| static struct {
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|   long (*func)(long, long);
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|   long a;
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|   long b;
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|   long r;
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| } vectors[] =
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|   {
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|     {test_subqv, 0, 0x7d54000, 0xfffffffff82ac000L}
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|   };
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| 
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| int main (void)
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| {
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|   int i;
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| 
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|   for (i = 0; i < sizeof (vectors)/sizeof(vectors[0]); i++)
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|     if ((*vectors[i].func)(vectors[i].a, vectors[i].b) != vectors[i].r) {
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|       write(1, "Failed\n", 7);
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|     }
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|   write(1, "OK\n", 3);
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|   return 0;
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| }
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