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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [testsuite/] [gcc.target/] [powerpc/] [ppc-stackalign-1.c] - Rev 696

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/* { dg-do run { target powerpc*-*-linux* powerpc*-*-eabi* } } */
/* { dg-options {} } */
 
/* Test stack pointer alignment against variable alloca.  */
/* Inspired by PR libgcj/10610.  */
/* Origin: Franz Sirl <Franz.Sirl-kernel@lauterbach.com>.  */
 
extern void abort (void);
extern void exit (int);
 
register unsigned long sp __asm__ ("r1");
 
void g (int * val __attribute__ ((unused)))
{
  if (sp & 0xf)
    abort ();
}
 
void f (int val)
{
  int *val1 = __builtin_alloca (val);
 
  g (val1);
  return;
}
 
int main (void)
{
  int i;
 
  for (i = 1; i < 32; i++)
    f (i);
 
  exit (0);
}
 

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