LXR qemu/tests/tcg/openrisc/test

   1#include <stdio.h>
   2
   3int main(void)
   4{
   5    int a, b, c;
   6    int result;
   7
   8    b = 0x4;
   9    c = 0x1;
  10    result = 0x4;
  11    __asm
  12    ("l.mulu    %0, %1, %2\n\t"
  13     : "=r"(a)
  14     : "r"(b), "r"(c)
  15    );
  16    if (a != result) {
  17        printf("mulu error\n");
  18        return -1;
  19    }
  20
  21    b = 0x1;
  22    c = 0x0;
  23    result = 0x0;
  24    __asm
  25    ("l.mulu    %0, %1, %2\n\t"
  26     : "=r"(a)
  27     : "r"(b), "r"(c)
  28    );
  29    if (a != result) {
  30        printf("mulu error\n");
  31        return -1;
  32    }
  33
  34    b = 0x1;
  35    c = 0xff;
  36    result = 0xff;
  37    __asm
  38    ("l.mulu    %0, %1, %2\n\t"
  39     : "=r"(a)
  40     : "r"(b), "r"(c)
  41    );
  42    if (a != result) {
  43        printf("mulu error\n");
  44        return -1;
  45    }
  46
  47    return 0;
  48}
  49