gcc/testsuite/gcc.target/arm/nested-apcs.c

   1 /* { dg-do run } */
   2 /* { dg-options "-fno-omit-frame-pointer -mapcs-frame -O" } */
   3
   4 extern void abort (void);
   5
   6 struct x
   7 {
   8   int y;
   9   int z;
  10 };
  11
  12 int __attribute__((noinline)) f (int c, int d, int e, int h, int i)
  13 {
  14   int a;
  15   struct x b;
  16
  17   int __attribute__((noinline)) g (int p, int q, int r, struct x s)
  18   {
  19     return a + p + q + r + s.y + s.z;
  20   }
  21
  22   a = 5;
  23   b.y = h;
  24   b.z = i;
  25
  26   return g(c, d, e, b);
  27 }
  28
  29 int main(void)
  30 {
  31   if (f (1, 2, 3, 4, 5) != 20)
  32     abort();
  33   return 0;
  34 }