27 lines
		
	
	
		
			510 B
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			27 lines
		
	
	
		
			510 B
		
	
	
	
		
			C
		
	
	
	
	
	
|   | #include "io.h"
 | ||
|  | 
 | ||
|  | int main(void) | ||
|  | { | ||
|  |     long long rd, rs, rt, dspreg, result, dspresult; | ||
|  |     rs = 0x12345678ABCDEF0; | ||
|  |     rt = 0x12345678ABCDEF1; | ||
|  |     result = 0x00000000000; | ||
|  |     dspresult = 0x01; | ||
|  | 
 | ||
|  |     __asm | ||
|  |         ("subu_s.ob %0, %2, %3\n\t" | ||
|  |          "rddsp %1\n\t" | ||
|  |          : "=r"(rd), "=r"(dspreg) | ||
|  |          : "r"(rs), "r"(rt) | ||
|  |          ); | ||
|  | 
 | ||
|  |     dspreg = ((dspreg >> 20) & 0x01); | ||
|  |     if ((rd != result) || (dspreg != dspresult)) { | ||
|  |         printf("subu_s.ob error\n\t"); | ||
|  | 
 | ||
|  |         return -1; | ||
|  |     } | ||
|  | 
 | ||
|  |     return 0; | ||
|  | } |