gcc/testsuite/gcc.target/nios2/nios2-rdwrctl-1.c


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/* { dg-do compile } */

volatile int res;

void x ()
{
  __builtin_wrctl (0, res);
  __builtin_wrctl (15, res);
  __builtin_wrctl (31, res);

  res = __builtin_rdctl (0);
  res = __builtin_rdctl (15);
  res = __builtin_rdctl (31);
}