Subversion Repositories openrisc_me

// Test for bitfield alignment in structs on IA-32

// { dg-do run }

// { dg-require-effective-target ilp32 }

// { dg-options "-O2" }

// { dg-options "-mno-align-double -mno-ms-bitfields" { target i?86-*-interix* i?86-*-cygwin* i?86-*-mingw*} }

extern void abort (void);

extern void exit (int);

struct A

{

  char a;

  long long b : 61;

  char c;

} a, a4[4];

struct B

{

  char d;

  struct A e;

  char f;

} b;

struct C

{

  char g;

  union U

  {

    char u1;

    long long u2;

    long long u3 : 64;

  } h;

  char i;

} c;

int main (void)

{

  if (&a.c - &a.a != 12)

    abort ();

  if (sizeof (a) != 16)

    abort ();

  if (sizeof (a4) != 4 * 16)

    abort ();

  if (sizeof (b) != 2 * 4 + 16)

    abort ();

  if (__alignof__ (b.e) != 4)

    abort ();

  if (&c.i - &c.g != 12)

    abort ();

  if (sizeof (c) != 16)

    abort ();

  if (__alignof__ (c.h) != 4)

    abort ();

  exit (0);

}