qemu/tests/tcg/openrisc/test_div.c
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   1#include <stdio.h>
   2
   3int main(void)
   4{
   5    int a, b, c;
   6    int result;
   7
   8    b = 0x120;
   9    c = 0x4;
  10    result = 0x48;
  11    __asm
  12    ("l.div  %0, %1, %2\n\t"
  13     : "=r"(a)
  14     : "r"(b), "r"(c)
  15    );
  16    if (a != result) {
  17        printf("div error\n");
  18        return -1;
  19    }
  20
  21    result = 0x4;
  22    __asm
  23    ("l.div %0, %1, %0\n\t"
  24     : "+r"(a)
  25     : "r"(b)
  26    );
  27    if (a != result) {
  28        printf("div error\n");
  29        return -1;
  30    }
  31
  32    b = 0xffffffff;
  33    c = 0x80000000;
  34    result = 0;
  35    __asm
  36    ("l.div %0, %1, %2\n\t"
  37     : "=r"(a)
  38     : "r"(b), "r"(c)
  39    );
  40    if (a != result) {
  41        printf("div error\n");
  42        return -1;
  43    }
  44
  45    b = 0x80000000;
  46    c = 0xffffffff;
  47    __asm
  48    ("l.div %0, %1, %2\n\t"
  49     : "=r"(a)
  50     : "r"(b), "r"(c)
  51    );
  52
  53    return 0;
  54}
  55