gcc-4.9/gcc/testsuite/gcc.dg/vect/pr24049.c


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/* { dg-do compile } */
/* { dg-options "-O1 -ftree-vectorize --param ggc-min-heapsize=0 --param ggc-min-expand=0" } */

int DES_CBCUpdate(unsigned char * output, int len)
{
  int work[2];
  unsigned int i;
  for(i = 0;i < len/8;i++)
    unscrunch (&output[8*i], work);
}