LXR qemu/tests/tcg/openrisc/test

   1#include <stdio.h>
   2int main(void)
   3{
   4    int a, b, c;
   5    int result;
   6
   7    a = 0;
   8    b = 3;
   9    result = 1;
  10    __asm
  11    ("1:\n\t"
  12     "l.addi %0, %0, 1\n\t"
  13     "l.sfgtu %0, %1\n\t"
  14     "l.bf 1b\n\t"
  15     "l.nop\n\t"
  16     : "+r"(a)
  17     : "r"(b)
  18    );
  19    if (a != result) {
  20        printf("sfgtu error\n");
  21        return -1;
  22    }
  23
  24    a = 0xff;
  25    b = 3;
  26    c = 1;
  27    result = 3;
  28    __asm
  29    ("1:\n\t"
  30     "l.sub    %0, %0, %2\n\t"
  31     "l.sfgtu  %0, %1\n\t"
  32     "l.bf 1b\n\t"
  33     "l.nop\n\t"
  34     : "+r"(a)
  35     : "r"(b), "r"(c)
  36    );
  37    if (a != result) {
  38        printf("sfgtu error\n");
  39        return -1;
  40    }
  41
  42    return 0;
  43}
  44