gcc/testsuite/gcc.dg/vect/pr42193.c

/* { dg-do compile } */
/* { dg-require-effective-target vect_long } */

#include <stdarg.h>

unsigned long in[6], out[6];

void foo ()
{
  unsigned long a, b, c, d, e, f;

  a = in[0];
  b = in[1];
  c = in[2];
  d = in[3];
  e = in[4];
  f = in[5];

  out[0] = 2 * a + 7 * b + 8  * c + 31 * d + 10 * e + 21 * f;
  out[1] = 3 * a + 6 * b + 12 * c + 13 * d + 15 * e + 28 * f;
  out[2] = 4 * a + 5 * b + 72  * c + 23 * d + 14 * e + 24 * f;
  out[3] = 8 * a + 71 * b + 18  * c + 33 * d + 13 * e + 25 * f;
  out[4] = 12 * a + 16 * b + 19 * c + 41 * d + 22 * e + 26 * f;
  out[5] = 17 * a + 15 * b + 13  * c + 14 * d + 11 * e + 9 * f;
}