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/* { dg-do compile } */
#define N 512
#define M 1024
signed short in[N+M];
signed short coeff[M];
signed short out[N];
/* Outer-loop vectorization. */
void
foo (){
int i,j;
int diff;
for (i = 0; i < N; i++) {
diff = 0;
for (j = 0; j < M; j+=8) {
diff += in[j+i]*coeff[j];
}
out[i]=diff;
}
}
/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { target { vect_widen_mult_hi_to_si && vect_pack_trunc } } } } */
/* { dg-final { cleanup-tree-dump "vect" } } */
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