gcc/testsuite/gcc.dg/vect/pr52252-st.c

   1 /* { dg-do compile } */
   2 /* { dg-additional-options "-mssse3" { target { i?86-*-* x86_64-*-* } } } */
   3
   4 #define byte unsigned char
   5
   6 void
   7 matrix_mul (byte *in, byte *out, int size)
   8 {
   9   int i;
  10   for (i = 0; i < size; i++)
  11     {
  12       out[0] = in[0] + in[1] + in[3];
  13       out[1] = in[0] + in[2] + in[4];
  14       out[2] = in[1] + in[2] + in[4];
  15       in += 4;
  16       out += 3;
  17     }
  18 }
  19
  20 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { i?86-*-* x86_64-*-* } } } } */