gcc/testsuite/gcc.target/ia64/pr42542-1.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O1 -ftree-vectorize" } */
   3
   4 unsigned int v1[] __attribute__ ((aligned(16))) =
   5 {
   6   0x80000000, 1, 0xa0000000, 2,
   7   3, 0xd0000000, 0xf0000000, 0xe0000000
   8 };
   9 unsigned int v2[] __attribute__ ((aligned(16))) =
  10 {
  11   4, 0xb0000000, 5, 0xc0000000,
  12   0xd0000000, 6, 7, 8
  13 };
  14
  15 unsigned int max[] =
  16 {
  17   0x80000000, 0xb0000000, 0xa0000000, 0xc0000000,
  18   0xd0000000, 0xd0000000, 0xf0000000, 0xe0000000
  19 };
  20
  21 unsigned int min[] =
  22 {
  23   4, 1, 5, 2,
  24   3, 6, 7, 8
  25 };
  26
  27 unsigned int res[8] __attribute__ ((aligned(16)));
  28
  29 extern void abort (void);
  30
  31 void
  32 find_max (void)
  33 {
  34   int i;
  35
  36   for (i = 0; i < 8; i++)
  37     res[i] = v1[i] < v2[i] ? v2[i] : v1[i];
  38 }
  39
  40 void
  41 find_min (void)
  42 {
  43   int i;
  44
  45   for (i = 0; i < 8; i++)
  46     res[i] = v1[i] > v2[i] ? v2[i] : v1[i];
  47 }
  48
  49 int main (void)
  50 {
  51   int i;
  52   int err = 0;
  53
  54   find_max ();
  55   for (i = 0; i < 8; i++)
  56     if (res[i] != max[i])
  57       err++;
  58
  59   find_min ();
  60   for (i = 0; i < 8; i++)
  61     if (res[i] != min[i])
  62       err++;
  63
  64   if (err)
  65     abort ();
  66
  67   return 0;
  68 }