1 /* { dg-require-effective-target vect_double } */
2
3 /* need -funsafe-math-optimizations to vectorize the summation.
4 also need -ffinite-math-only to create the min/max expr. */
5
6 #include <stdarg.h>
7 #include "tree-vect.h"
8
9 #define N 16
10 #define DIFF 242
11
12 double b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
13 double c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
14
main1(double x,double max_result)15 int main1 (double x, double max_result)
16 {
17 int i;
18 double diff = 2;
19 double max = x;
20 double min = 10;
21
22 for (i = 0; i < N; i++) {
23 diff += (b[i] - c[i]);
24 }
25
26 for (i = 0; i < N; i++) {
27 max = max < c[i] ? c[i] : max;
28 }
29
30 for (i = 0; i < N; i++) {
31 min = min > c[i] ? c[i] : min;
32 }
33
34 /* check results: */
35 if (diff != DIFF)
36 abort ();
37 if (max != max_result)
38 abort ();
39 if (min != 0)
40 abort ();
41
42 return 0;
43 }
44
main(void)45 int main (void)
46 {
47 check_vect ();
48
49 main1 (100, 100);
50 main1 (0, 15);
51 return 0;
52 }
53
54 /* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" } } */
55 /* { dg-final { cleanup-tree-dump "vect" } } */
56