gcc/testsuite/gcc.dg/pr31507-1.c

   1 /* PR target/31507 */
   2 /* { dg-do run } */
   3 /* { dg-options "-Os -fno-omit-frame-pointer" } */
   4
   5 extern void abort (void);
   6
   7 __attribute__((noinline)) void
   8 foo (double d0, double d1, double d2, double d3,
   9      double d4, double d5, double d6, double d7,
  10      float f0, float f1, float f2, float f3,
  11      char *p)
  12 {
  13   if (d0 != 0 || d1 != 1 || d2 != 2 || d3 != 3)
  14     abort ();
  15   if (d4 != 4 || d5 != 5 || d6 != 6 || d7 != 7)
  16     abort ();
  17   if (f0 != 10 || f1 != 11 || f2 != 12 || f3 != 13)
  18     abort ();
  19   if (__builtin_memcmp (p, "foo", 4) != 0)
  20     abort ();
  21   __builtin_memcpy (p, "bar", 4);
  22 }
  23
  24 __attribute__((noinline)) void
  25 bar (int x)
  26 {
  27   char p[x];
  28   if (x >= sizeof "foo")
  29     __builtin_memcpy (p, "foo", 4);
  30   foo (0.0, 1.0, 2.0, 3.0, 4.0, 5.0, 6.0, 7.0,
  31        10.0f, 11.0f, 12.0f, 13.0f, p);
  32   if (x >= sizeof "bar" && __builtin_memcmp (p, "bar", 4) != 0)
  33     abort ();
  34 }
  35
  36 int
  37 main (void)
  38 {
  39   bar (128);
  40   return 0;
  41 }