/* { dg-do compile } */
/* { dg-options "-mcmse" } */

typedef struct
{
  unsigned char	  a;
  unsigned int	    :0;
  unsigned int	  b :1;
  unsigned short    :0;
  unsigned short  c;
  unsigned int	    :0;
  unsigned int	  d :21;
} test_st;

typedef union
{
  test_st st;
  struct
    {
      unsigned int v1;
      unsigned int v2;
      unsigned int v3;
      unsigned int v4;
    }values;
} read_st;

typedef void __attribute__ ((cmse_nonsecure_call)) (*foo_ns) (test_st);

int
main (void)
{
  read_st r;
  foo_ns f;

  f = (foo_ns) 0x200000;
  r.values.v1 = 0xFFFFFFFF;
  r.values.v2 = 0xFFFFFFFF;
  r.values.v3 = 0xFFFFFFFF;

  f (r.st);
  return 0;
}

/* { dg-final { scan-assembler "mov\tip, #255" } } */
/* { dg-final { scan-assembler "and\tr0, r0, ip" } } */
/* { dg-final { scan-assembler "mov\tip, #1" } } */
/* { dg-final { scan-assembler "movt\tip, 65535" } } */
/* { dg-final { scan-assembler "and\tr1, r1, ip" } } */
/* { dg-final { scan-assembler "movw\tip, #65535" } } */
/* { dg-final { scan-assembler "movt\tip, 31" } } */
/* { dg-final { scan-assembler "and\tr2, r2, ip" } } */
/* { dg-final { scan-assembler "lsrs\tr4, r4, #1" } } */
/* { dg-final { scan-assembler "lsls\tr4, r4, #1" } } */
/* { dg-final { scan-assembler "mov\tr3, r4" } } */
/* { dg-final { scan-assembler "bl\t__gnu_cmse_nonsecure_call" } } */