gcc/testsuite/gcc.target/i386/pr100637-5b.c

/* { dg-do compile } */
/* { dg-options "-O2 -msse2" } */

typedef char S;
typedef S V __attribute__((vector_size(4 * sizeof(S))));

V duplicate (S a)
{
  return (V) { a, a, a, a };
}

V one_nonzero (S a)
{
  return (V) { 0, a };
}

V one_var (S a)
{
  return (V) { 1, a };
}

V general (S a, S b, S c, S d)
{
  return (V) { a, b, c, d };
}