tests/tcg/openrisc/test_sub.c

   1 #include <stdio.h>
   2
   3 int main(void)
   4 {
   5     int a, b;
   6     int result;
   7
   8     a = 0x100;
   9     b = 0x100;
  10     result = 0x0;
  11     __asm
  12     ("l.sub %0, %0, %1\n\t"
  13      : "+r"(a)
  14      : "r"(b)
  15     );
  16     if (a != result) {
  17         printf("sub error\n");
  18         return -1;
  19     }
  20
  21     a = 0xffff;
  22     b = 0x1;
  23     result = 0xfffe;
  24     __asm
  25     ("l.sub %0, %0, %1\n\t"
  26      : "+r"(a)
  27      : "r"(b)
  28     );
  29     if (a != result) {
  30         printf("sub error\n");
  31         return -1;
  32     }
  33
  34     return 0;
  35 }