gcc/testsuite/gcc.dg/vect/pr44507.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include "tree-vect.h"
   4
   5 int seeIf256ByteArrayIsConstant(
   6   unsigned char *pArray)
   7 {
   8   int index;
   9   unsigned int curVal, orVal, andVal;
  10   int bytesAreEqual = 0;
  11
  12   if (pArray != 0)
  13     {
  14       for (index = 0, orVal = 0, andVal = 0xFFFFFFFF;
  15            index < 64;
  16            index += (int)sizeof(unsigned int))
  17         {
  18           curVal = *((unsigned int *)(&pArray[index]));
  19           orVal = orVal | curVal;
  20           andVal = andVal & curVal;
  21         }
  22
  23       if (!((orVal == andVal)
  24             && ((orVal >> 8) == (andVal & 0x00FFFFFF))))
  25         abort ();
  26     }
  27
  28   return 0;
  29 }
  30
  31
  32 int main(int argc, char** argv)
  33 {
  34   unsigned char array1[64] = {
  35     0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  36     0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  37     0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  38     0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  39     0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  40     0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  41     0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  42     0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  43   };
  44
  45   argv = argv;
  46   argc = argc;
  47
  48   check_vect ();
  49
  50   return seeIf256ByteArrayIsConstant(&array1[0]);
  51 }
  52
  53