qemu

FORK: QEMU emulator
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test_dsp_r1_modsub.c (512B)

      1 #include<stdio.h>
      2 #include<assert.h>
      3 
      4 int main()
      5 {
      6     int rd, rs, rt;
      7     int result;
      8 
      9     rs     = 0xFFFFFFFF;
     10     rt     = 0x000000FF;
     11     result = 0xFFFFFF00;
     12     __asm
     13         ("modsub %0, %1, %2\n\t"
     14          : "=r"(rd)
     15          : "r"(rs), "r"(rt)
     16         );
     17     assert(result == rd);
     18 
     19     rs     = 0x00000000;
     20     rt     = 0x00CD1FFF;
     21     result = 0x0000CD1F;
     22     __asm
     23         ("modsub %0, %1, %2\n\t"
     24          : "=r"(rd)
     25          : "r"(rs), "r"(rt)
     26         );
     27     assert(result == rd);
     28 
     29     return 0;
     30 }