1 /* { dg-require-effective-target vect_int } */
2 
3 #include <stdarg.h>
4 #include "tree-vect.h"
5 
6 #define N 64
7 
8 #define DOT1 43680
9 #define DOT2 -20832
10 
11 signed char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
12 signed char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
13 unsigned char CX[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
14 
15 __attribute__ ((noinline)) void
foo1(int len)16 foo1(int len) {
17   int i;
18   int result1 = 0;
19 
20   for (i=0; i<len; i++) {
21     result1 += (X[i] * Y[i]);
22     CX[i] = 5;
23   }
24 
25   if (result1 != DOT1)
26     abort ();
27 }
28 
29 
main(void)30 int main (void)
31 {
32   int i, dot1, dot2;
33 
34   check_vect ();
35 
36   for (i=0; i<N; i++) {
37     X[i] = i;
38     Y[i] = 64-i;
39     CX[i] = i;
40     __asm__ volatile ("");
41   }
42 
43   foo1 (N);
44 
45   return 0;
46 }
47 
48 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { vect_sdot_hi  || vect_unpack } } } } */
49 
50