gcc/testsuite/gcc.dg/torture/pr61095.c

   1 /* { dg-do run } */
   2 /* { dg-require-effective-target lp64 } */
   3
   4 extern void __attribute__ ((noreturn)) abort (void);
   5
   6 int __attribute__ ((noinline, noclone))
   7 foo (unsigned long addr) {
   8     unsigned long *p = (unsigned long*)((addr & 0xffff83fffffffff8UL) * 4);
   9     unsigned long xxx = (unsigned long)(p + 1);
  10     return xxx >= 0x3c000000000UL;
  11 }
  12
  13 int
  14 main (void)
  15 {
  16   if (foo (0))
  17     abort ();
  18   if (foo (0x7c0000000000UL))
  19     abort ();
  20   if (!foo (0xfc0000000000UL))
  21     abort ();
  22   return 0;
  23 }