gcc/testsuite/gcc.dg/torture/stackalign/nested-2.c

   1 /* { dg-do run } */
   2 /* { dg-skip-if "Stack alignment is too small" { hppa*-*-hpux* } } */
   3 /* { dg-skip-if "Stack alignment causes use of alloca" { nvptx-*-* } } */
   4
   5 #include "check.h"
   6
   7 #ifndef ALIGNMENT
   8 #define ALIGNMENT       64
   9 #endif
  10
  11 typedef int aligned __attribute__((aligned(ALIGNMENT)));
  12
  13 int global;
  14
  15 void
  16 foo (void)
  17 {
  18   aligned j;
  19
  20    __attribute__ ((__noinline__))
  21   void bar ()
  22     {
  23       aligned i;
  24
  25       if (check_int (&i,  __alignof__(i)) != i)
  26         abort ();
  27
  28       if (check_int (&j,  __alignof__(j)) != j)
  29         abort ();
  30
  31       j = -20;
  32     }
  33   bar ();
  34
  35   if (j != -20)
  36     abort ();
  37
  38   if (check_int (&j,  __alignof__(j)) != j)
  39     abort ();
  40 }
  41
  42 int
  43 main()
  44 {
  45   foo ();
  46   return 0;
  47 }