blob: 407315a8dc305e4c262dc9bcd0fea0caa0b49462 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
|
/* { dg-do compile } */
#define N 40
#define M 128
signed short in[N+M];
signed short coeff[M];
int 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 } } } */
/* { dg-final { cleanup-tree-dump "vect" } } */
|