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/* builtin_frame_address(n) with n>0 has always been troublesome ...

   especially when the S/390 packed stack layout comes into play.  */

/* { dg-do run } */

/* { dg-options "-O3 -fno-optimize-sibling-calls -mbackchain -mpacked-stack -msoft-float" } */

#ifdef __s390x__

/* 64bit: 3 words to be saved: backchain, r14 and r15  */

#define SAVE_AREA_SIZE 3*8

#else

/* 32bit: 4 words to be saved: backchain, r13, r14 and r15  */

#define SAVE_AREA_SIZE 4*4

#endif

extern void abort(void);

#define EXPAND_CHECK(n)                                         \

  void __attribute__((noinline))                                \

    foo1_##n (void *p)                                          \

  {                                                             \

    if (p - __builtin_frame_address (n) != SAVE_AREA_SIZE)      \

      abort ();                                                 \

  }                                                             \

  void __attribute__((noinline))                                \

    foo2_##n (void *p)                                          \

  {                                                             \

    if (p - __builtin_frame_address (n) != SAVE_AREA_SIZE)      \

      abort ();                                                 \

    foo1_##n (__builtin_frame_address (n));                     \

  }                                                             \

  void __attribute__((noinline))                                \

    foo3_##n ()                                                 \

  {                                                             \

    foo2_##n (__builtin_frame_address (n));                     \

  }                                                             \

  void __attribute__((noinline))                                \

    foo4_##n ()                                                 \

  {                                                             \

    foo3_##n ();                                                \

  }

EXPAND_CHECK (0)

EXPAND_CHECK (1)

EXPAND_CHECK (2)

int

main ()

{

  foo4_0 ();

  foo4_1 ();

  foo4_2 ();

  return 0;

}