blob: 854a4aaabb835ee662864e272e4e7493ab39fe39 (
plain)
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
78
79
80
81
82
83
84
85
86
87
88
89
90
|
/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 16
typedef struct {
unsigned char a;
unsigned char b;
unsigned char c;
unsigned char d;
unsigned char e;
unsigned char f;
unsigned char g;
unsigned char h;
} s;
volatile int y = 0;
__attribute__ ((noinline)) int
main1 (s *arr)
{
int i;
s *ptr = arr;
s res[N];
unsigned char u, t, s, x, y, z, w;
for (i = 0; i < N; i++)
{
u = ptr->b - ptr->a;
t = ptr->d - ptr->c;
res[i].c = u + t;
x = ptr->b + ptr->d;
res[i].a = ptr->a + x;
res[i].d = u + t;
s = ptr->h - ptr->a;
res[i].b = s + t;
res[i].f = ptr->f + ptr->h;
res[i].e = ptr->b + ptr->e;
res[i].h = ptr->d;
res[i].g = u + t;
ptr++;
}
/* check results: */
for (i = 0; i < N; i++)
{
if (res[i].c != arr[i].b - arr[i].a + arr[i].d - arr[i].c
|| res[i].a != arr[i].a + arr[i].b + arr[i].d
|| res[i].d != arr[i].b - arr[i].a + arr[i].d - arr[i].c
|| res[i].b != arr[i].h - arr[i].a + arr[i].d - arr[i].c
|| res[i].f != arr[i].f + arr[i].h
|| res[i].e != arr[i].b + arr[i].e
|| res[i].h != arr[i].d
|| res[i].g != arr[i].b - arr[i].a + arr[i].d - arr[i].c)
abort();
}
}
int main (void)
{
int i;
s arr[N];
check_vect ();
for (i = 0; i < N; i++)
{
arr[i].a = i;
arr[i].b = i * 2;
arr[i].c = 17;
arr[i].d = i+34;
arr[i].e = i * 3 + 5;
arr[i].f = i * 5;
arr[i].g = i - 3;
arr[i].h = 67;
if (y) /* Avoid vectorization. */
abort ();
}
main1 (arr);
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided8 } } } */
/* { dg-final { cleanup-tree-dump "vect" } } */
|
