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#include <assert.h>
#ifdef __GNUC__
typedef int base_type;
typedef base_type v4si __attribute__((vector_size(16)));
typedef union
{
v4si v;
base_type members[4];
} vector_u;
int main()
{
assert(sizeof(int)==4);
assert(sizeof(v4si)==16);
vector_u x, y, z;
z.v=x.v+y.v;
assert(z.members[0]==x.members[0]+y.members[0]);
assert(z.members[1]==x.members[1]+y.members[1]);
assert(z.members[2]==x.members[2]+y.members[2]);
assert(z.members[3]==x.members[3]+y.members[3]);
z.v=x.v-y.v;
assert(z.members[0]==x.members[0]-y.members[0]);
assert(z.members[1]==x.members[1]-y.members[1]);
assert(z.members[2]==x.members[2]-y.members[2]);
assert(z.members[3]==x.members[3]-y.members[3]);
z.v=-x.v;
assert(z.members[0]==-x.members[0]);
assert(z.members[1]==-x.members[1]);
assert(z.members[2]==-x.members[2]);
assert(z.members[3]==-x.members[3]);
z.v=~x.v;
assert(z.members[0]==~x.members[0]);
assert(z.members[1]==~x.members[1]);
assert(z.members[2]==~x.members[2]);
assert(z.members[3]==~x.members[3]);
// build vector with typecast
z.v=(v4si){ 0, 1, 2, 3 };
assert(z.members[0]==0 && z.members[1]==1 && z.members[2]==2 && z.members[3]==3);
// build vector with initializer
v4si some_vector={ 10, 11, 12, 13 };
z.v=some_vector;
assert(z.members[0]==10 && z.members[1]==11 && z.members[2]==12 && z.members[3]==13);
// same from one
v4si other_vector={ 0 };
z.v=other_vector;
// an array of vectors
v4si image[] = { other_vector };
assert(z.members[1]==0);
}
#else
int main()
{
}
#endif
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