/* { dg-do compile { target x86_64-*-* i?86-*-* } } */
/* { dg-options "-std=c99 -msse2" } */
/* { dg-require-effective-target sse2 } */

typedef int __m64 __attribute__ ((__vector_size__ (8), __may_alias__));
__m64 _mm_add_si64 (__m64 __m1, __m64 __m2)
{
    return (__m64) __builtin_ia32_paddq ((long long)__m1, (long long)__m2); /* { dg-error "incompatible type" } */
    /* { dg-message "note: expected 'long long int __vector__' but argument is of type 'long long int'" "" { target *-*-* } 8 } */
}
