gcc/testsuite/gcc.target/i386/stackalign/longlong-2.c

/* { dg-do compile  { target { ! *-*-darwin* } } } */
/* { dg-require-effective-target ia32 } */
/* { dg-options "-O2 -mpreferred-stack-boundary=2 -fno-ipa-icf" } */
/* { dg-final { scan-assembler-times "and\[lq\]?\[^\\n\]*-8,\[^\\n\]*sp" 2 } } */ 
/* { dg-final { scan-assembler-times "and\[lq\]?\[^\\n\]*-16,\[^\\n\]*sp" 2 } } */ 

void fn (void *);

void f2 (void)
{
  unsigned long long a __attribute__((aligned (8)));
  fn (&a);
}

void f3 (void)
{
  typedef unsigned long long L __attribute__((aligned (8)));
  L a;
  fn (&a);
}

void f4 (void)
{
  unsigned long long a __attribute__((aligned (16)));
  fn (&a);
}

void f5 (void)
{
  typedef unsigned long long L __attribute__((aligned (16)));
  L a;
  fn (&a);
}