1  /* { dg-do run } */
       2  /* { dg-require-effective-target ssse3 } */
       3  /* { dg-options "-O -mssse3" } */
       4  
       5  #include "isa-check.h"
       6  
       7  typedef int S;
       8  typedef int V __attribute__((vector_size(16)));
       9  typedef int IV __attribute__((vector_size(16)));
      10  typedef union { S s[4]; V v; } U;
      11  
      12  static U i[2], b, c;
      13  
      14  extern int memcmp (const void *, const void *, __SIZE_TYPE__);
      15  #define assert(T) ((T) || (__builtin_trap (), 0))
      16  
      17  #define TEST(E0, E1, E2, E3) \
      18    b.v = __builtin_shuffle (i[0].v, i[1].v, (IV){E0, E1, E2, E3}); \
      19    c.s[0] = i[0].s[E0]; \
      20    c.s[1] = i[0].s[E1]; \
      21    c.s[2] = i[0].s[E2]; \
      22    c.s[3] = i[0].s[E3]; \
      23    __asm__("" : : : "memory"); \
      24    assert (memcmp (&b, &c, sizeof(c)) == 0);
      25  
      26  #include "vperm-4-2.inc"
      27  
      28  int main()
      29  {
      30    check_isa ();
      31  
      32    i[0].s[0] = 0;
      33    i[0].s[1] = 1;
      34    i[0].s[2] = 2;
      35    i[0].s[3] = 3;
      36    i[0].s[4] = 4;
      37    i[0].s[5] = 5;
      38    i[0].s[6] = 6;
      39    i[0].s[7] = 7;
      40  
      41    check();
      42    return 0;
      43  }