1 /* { dg-require-effective-target vect_int } */
10 unsigned char X[N] __attribute__ ((__aligned__(16)));
11 unsigned char Y[N] __attribute__ ((__aligned__(16)));
13 /* char->short->int dot product.
14 Detected as a dot-product pattern.
15 Should be vectorized on targets that support dot-product for unsigned chars
17 and on targets that support widening-multiplication and widening-summation
18 (vect_widen_mult_qi && vec_widen_sum_qi_to_si).
19 Widening-multiplication can also be supported by type promotion and non-widening
20 multiplication (vect_unpack && vect_short_mult);
21 Widening summation can also be supported by type promotion and non-widening
22 summation (vect_unpack).
24 __attribute__ ((noinline)) unsigned int
27 unsigned int result = 0;
30 for (i=0; i<len; i++) {
56 /* { dg-final { scan-tree-dump-times "vect_recog_dot_prod_pattern: detected" 1 "vect" } } */
57 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_udot_qi } } } */
58 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_widen_mult_qi_to_hi && vect_widen_sum_qi_to_si } } } } */
60 /* { dg-final { cleanup-tree-dump "vect" } } */