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[/] [openrisc/] [trunk/] [gnu-old/] [gcc-4.2.2/] [gcc/] [testsuite/] [gcc.target/] [i386/] [sibcall-5.c] - Rev 844

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/* Check that indirect sibcalls understand regparm.  */
/* { dg-do run { target i?86-*-* x86_64-*-* } } */
/* { dg-require-effective-target ilp32 } */
/* { dg-options "-O2" } */
 
extern void abort (void);
 
int (*f)(int, int) __attribute__((regparm(2)));
int (*g)(int, int, int) __attribute__((regparm(3)));
 
int __attribute__((noinline))
foo(void)
{
  return f(1, 2);
}
 
int __attribute__((noinline))
bar(void)
{
  return g(1, 2, 3);
}
 
int __attribute__((regparm(2)))
f1(int x, int y)
{
  return x*3 + y;
}
 
int __attribute__((regparm(3)))
g1(int x, int y, int z)
{
  return x*9 + y*3 + z;
}
 
int main()
{
  f = f1;
  g = g1;
  if (foo() != 1*3 + 2)
    abort ();
  if (bar() != 1*9 + 2*3 + 3)
    abort ();
  return 0;
}
 

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