Syntax error from xmmintrin.h

Reproducer t.c:

#include <emmintrin.h>
#include <stdio.h>
typedef union {
  __m128i V;
  int A[4];
} IV;

void vec_add_kernel(IV *F)
{
  printf("%08x %08x %08x %08x\n",F -> A[0],F -> A[1],F -> A[2],F -> A[3]);
}

int main()
{
  __m128i allones = _mm_set1_epi32(0);
  __m128i zeroones;
  __m128i onezeros;
  allones = _mm_cmpeq_epi32(allones,allones);
  zeroones = _mm_srli_epi16(allones,8);
  vec_add_kernel(((IV *)(&zeroones)));
  onezeros = _mm_slli_epi16(allones,8);
  vec_add_kernel(((IV *)(&onezeros)));
  return 0;
}

"/opt/rose_v0.11.4.14/include/edg/gcc_HEADERS/xmmintrin.h",
          line 754: error: type name is not allowed
    return __m128();
           ^

"/opt/rose_v0.11.4.14/include/edg/gcc_HEADERS/xmmintrin.h",
          line 786: error: type name is not allowed
    return __m128();
           ^