gcc/testsuite/gcc.dg/vect/pr71264.c

   1 /* { dg-do compile } */
   2 /* { dg-require-effective-target vect_int } */
   3
   4 typedef unsigned char uint8_t;
   5 typedef uint8_t footype __attribute__((vector_size(4)));
   6
   7 void test(uint8_t *ptr, uint8_t *mask)
   8 {
   9   footype mv;
  10   ptr = __builtin_assume_aligned (ptr, __alignof__ (footype));
  11   mask = __builtin_assume_aligned (mask, __alignof__ (footype));
  12   __builtin_memcpy(&mv, mask, sizeof(mv));
  13   for (unsigned i = 0; i < 16; i += 4)
  14     {
  15       footype temp;
  16       __builtin_memcpy(&temp, &ptr[i], sizeof(temp));
  17       temp ^= mv;
  18       __builtin_memcpy(&ptr[i], &temp, sizeof(temp));
  19     }
  20 }
  21
  22 /* { dg-final { scan-tree-dump "vectorized 1 loops in function" "vect" {
  23 xfail sparc*-*-* } } } */