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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define M00 100
#define M10 216
#define M20 23
#define M01 1322
#define M11 13
#define M21 27271
#define M02 74
#define M12 191
#define M22 500
#define K00 405
#define K10 112
#define K01 4322
#define K11 135
#define N 16
/* SLP with load permutation and loop-based vectorization. */
void foo (int *__restrict__ pInput, int *__restrict__ pOutput,
int *__restrict__ pInput2, int *__restrict__ pOutput2)
{
int i, a, b, c, d;
for (i = 0; i < N / 3; i++)
{
a = *pInput++;
b = *pInput++;
c = *pInput++;
d = *pInput2++;
*pOutput++ = M00 * a + M01 * b + M02 * c;
*pOutput++ = M10 * a + M11 * b + M12 * c;
*pOutput++ = M20 * a + M21 * b + M22 * c;
/* Loop-based vectorization. */
*pOutput2++ = K00 * d;
}
}
int main (int argc, const char* argv[])
{
int input[N], output[N], i;
int check_results[N] = {1470, 395, 28271, 5958, 1655, 111653, 10446, 2915, 195035, 14934, 4175, 278417, 19422, 5435, 361799, 0};
int input2[N], output2[N];
int check_results2[N] = {0, 405, 810, 1215, 1620, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0};
check_vect ();
for (i = 0; i < N; i++)
{
input[i] = i%256;
input2[i] = i%256;
output[i] = 0;
output2[i] = 0;
if (input[i] > 200)
abort ();
}
foo (input, output, input2, output2);
for (i = 0; i < N; i++)
if (output[i] != check_results[i] || output2[i] != check_results2[i])
abort ();
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_perm } } } */
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target vect_perm } } } */
/* { dg-final { cleanup-tree-dump "vect" } } */
|
