gcc/testsuite/gcc.target/aarch64/pr83370.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2" } */
   3
   4 typedef void (*fun) (void);
   5
   6 void __attribute__ ((noipa))
   7 f (fun x1)
   8 {
   9   register fun x2 asm ("x16");
  10   int arr[5000];
  11   int *volatile ptr = arr;
  12   asm ("mov %0, %1" : "=r" (x2) : "r" (x1));
  13   x2 ();
  14 }
  15
  16 void g (void) {}
  17
  18 int
  19 main (void)
  20 {
  21   f (g);
  22 }