gcc/testsuite/gcc.dg/torture/stackalign/nested-1.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   void bar ()
  21     {
  22       aligned i;
  23
  24       if (check_int (&i,  __alignof__(i)) != i)
  25         abort ();
  26
  27       if (check_int (&j,  __alignof__(j)) != j)
  28         abort ();
  29
  30       j = -20;
  31     }
  32   bar ();
  33
  34   if (j != -20)
  35     abort ();
  36
  37   if (check_int (&j,  __alignof__(j)) != j)
  38     abort ();
  39 }
  40
  41 int
  42 main()
  43 {
  44   foo ();
  45   return 0;
  46 }