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
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/* { dg-do run } */
/* { dg-require-effective-target avx } */
/* { dg-options "-O2 -ftree-vectorize -mavx -mtune=generic -ffast-math" } */
#include "avx-check.h"
#define N 16
#define DIFF 242
double b[N] = {0,3,6,9,12,15,18,21,24,27,30,33,36,39,42,45};
double c[N] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15};
void
main1 (double x, double max_result)
{
int i;
double diff = 2;
double max = x;
double min = 10;
for (i = 0; i < N; i++) {
diff += (b[i] - c[i]);
}
for (i = 0; i < N; i++) {
max = max < c[i] ? c[i] : max;
}
for (i = 0; i < N; i++) {
min = min > c[i] ? c[i] : min;
}
/* check results: */
if (diff != DIFF)
abort ();
if (max != max_result)
abort ();
if (min != 0)
abort ();
}
static void
avx_test (void)
{
main1 (100, 100);
main1 (0, 15);
}
|