LXR qemu/tests/tcg/openrisc/test

   1#include <stdio.h>
   2
   3int main(void)
   4{
   5    int a, b;
   6    int result;
   7
   8    a = 0;
   9    result = 1;
  10    __asm
  11    ("1:\n\t"
  12     "l.addi   %0, %0, 1\n\t"
  13     "l.sfgtui %0, 0x3\n\t"
  14     "l.bf 1b\n\t"
  15     "l.nop\n\t"
  16     : "+r"(a)
  17    );
  18    if (a != result) {
  19        printf("sfgtui error\n");
  20        return -1;
  21    }
  22
  23
  24    a = 0xff;
  25    b = 1;
  26    result = 3;
  27    __asm
  28    ("1:\n\t"
  29     "l.sub     %0, %0, %1\n\t"
  30     "l.sfgtui  %0, 0x3\n\t"
  31     "l.bf 1b\n\t"
  32     "l.nop\n\t"
  33     : "+r"(a)
  34     : "r"(b)
  35    );
  36    if (a != result) {
  37        printf("sfgtui error\n");
  38        return -1;
  39    }
  40
  41    return 0;
  42}
  43