tests/tcg/s390x/ipm.c

   1 #include <stdint.h>
   2 #include <unistd.h>
   3
   4 int main(void)
   5 {
   6     uint32_t op1 = 0x55555555;
   7     uint32_t op2 = 0x44444444;
   8     uint64_t cc = 0xffffffffffffffffull;
   9
  10     asm volatile(
  11         "    clc 0(4,%[op1]),0(%[op2])\n"
  12         "    ipm %[cc]\n"
  13         : [cc] "+r" (cc)
  14         : [op1] "r" (&op1),
  15           [op2] "r" (&op2)
  16         : "cc");
  17     if (cc != 0xffffffff20ffffffull) {
  18         write(1, "bad cc\n", 7);
  19         return 1;
  20     }
  21     return 0;
  22 }