pr44507.c

   1 /* { dg-require-effective-target vect_int } */
   2
   3 #include <stdlib.h>
   4 #include "tree-vect.h"
   5
   6 int seeIf256ByteArrayIsConstant(
   7   unsigned char *pArray)
   8 {
   9   int index;
  10   unsigned int curVal, orVal, andVal;
  11   int bytesAreEqual = 0;
  12
  13   if (pArray != 0)
  14     {
  15       for (index = 0, orVal = 0, andVal = 0xFFFFFFFF;
  16            index < 64;
  17            index += (int)sizeof(unsigned int))
  18         {
  19           curVal = *((unsigned int *)(&pArray[index]));
  20           orVal = orVal | curVal;
  21           andVal = andVal & curVal;
  22         }
  23
  24       if (!((orVal == andVal)
  25             && ((orVal >> 8) == (andVal & 0x00FFFFFF))))
  26         abort ();
  27     }
  28
  29   return 0;
  30 }
  31
  32
  33 int main(int argc, char** argv)
  34 {
  35   unsigned char array1[64] = {
  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     0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
  44   };
  45
  46   argv = argv;
  47   argc = argc;
  48
  49   check_vect ();
  50
  51   return seeIf256ByteArrayIsConstant(&array1[0]);
  52 }
  53
  54 /* { dg-final { cleanup-tree-dump "vect" } } */
  55