gcc/testsuite/gcc.target/ia64/pr42542-3.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O1 -ftree-vectorize" } */
   3
   4 unsigned char v1[] __attribute__ ((aligned(16))) =
   5 {
   6   0x80, 0xd0, 0x90, 0xa0, 1, 15, 10, 15,
   7   0xa0, 0xc0, 0xb0, 0xf0, 2, 25, 20, 35,
   8   3, 34, 30, 36, 0xd0, 0x80, 0xe0, 0xb0,
   9   0xf0, 0xe0, 0xe0, 0x80, 25, 34, 30, 40
  10 };
  11 unsigned char v2[] __attribute__ ((aligned(16))) =
  12 {
  13   4, 44, 40, 48, 0xb0, 0x80, 0x80, 0x90,
  14   5, 55, 50, 51, 0xc0, 0xb0, 0xf0, 0xd0,
  15   0xd0, 0x80, 0xa0, 0xf0, 6, 61, 65, 68,
  16   7, 76, 75, 81, 0xe0, 0xf0, 0xc0, 0x90
  17 };
  18
  19 unsigned char max[] =
  20 {
  21   0x80, 0xd0, 0x90, 0xa0, 0xb0, 0x80, 0x80, 0x90,
  22   0xa0, 0xc0, 0xb0, 0xf0, 0xc0, 0xb0, 0xf0, 0xd0,
  23   0xd0, 0x80, 0xa0, 0xf0, 0xd0, 0x80, 0xe0, 0xb0,
  24   0xf0, 0xe0, 0xe0, 0x80, 0xe0, 0xf0, 0xc0, 0x90
  25 };
  26
  27 unsigned char min[] =
  28 {
  29   4, 44, 40, 48, 1, 15, 10, 15,
  30   5, 55, 50, 51, 2, 25, 20, 35,
  31   3, 34, 30, 36, 6, 61, 65, 68,
  32   7, 76, 75, 81, 25, 34, 30, 40
  33 };
  34
  35 unsigned char res[32] __attribute__ ((aligned(16)));
  36
  37 extern void abort (void);
  38
  39 void
  40 find_max (void)
  41 {
  42   int i;
  43
  44   for (i = 0; i < 32; i++)
  45     res[i] = v1[i] < v2[i] ? v2[i] : v1[i];
  46 }
  47
  48 void
  49 find_min (void)
  50 {
  51   int i;
  52
  53   for (i = 0; i < 32; i++)
  54     res[i] = v1[i] > v2[i] ? v2[i] : v1[i];
  55 }
  56
  57 int main (void)
  58 {
  59   int i;
  60   int err = 0;
  61
  62   find_max ();
  63   for (i = 0; i < 32; i++)
  64     if (res[i] != max[i])
  65       err++;
  66
  67   find_min ();
  68   for (i = 0; i < 32; i++)
  69     if (res[i] != min[i])
  70       err++;
  71
  72   if (err)
  73     abort ();
  74
  75   return 0;
  76 }