Subversion Repositories openrisc_2011-10-31

/* PR tree-optimization/33619 */

/* { dg-do run } */

/* { dg-options "-O2" } */

#ifdef __powerpc__

# define REG1 __asm__ ("3")

# define REG2 __asm__ ("4")

#elif defined __x86_64__

# define REG1 __asm__ ("rdi")

# define REG2 __asm__ ("rsi")

#else

# define REG1

# define REG2

#endif

static inline void

bar (unsigned long x, int y)

{

  register unsigned long p1 REG1 = x;

  register unsigned long p2 REG2 = y;

  __asm__ volatile ("" : "=r" (p1), "=r" (p2) : "0" (p1), "1" (p2) : "memory");

  if (p1 != 0xdeadUL || p2 != 0xbefUL)

    __builtin_abort ();

}

__attribute__((const, noinline)) int

baz (int x)

{

  return x;

}

__attribute__((noinline)) void

foo (unsigned long *x, int y)

{

  unsigned long a = *x;

  bar (a, baz (y));

}

int

main (void)

{

  unsigned long a = 0xdeadUL;

  foo (&a, 0xbefUL);

  return 0;

}