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comparison gcc/testsuite/gcc.dg/vect/slp-35.c @ 111:04ced10e8804

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gcc 7
author kono
date Fri, 27 Oct 2017 22:46:09 +0900
parents
children 84e7813d76e9
comparison
equal deleted inserted replaced
68:561a7518be6b 111:04ced10e8804
1 /* { dg-require-effective-target vect_int } */
2
3 #include <stdarg.h>
4 #include "tree-vect.h"
5
6 #define N 128
7
8 typedef struct {
9 int a;
10 int b;
11 int c;
12 int d;
13 int e;
14 } s;
15
16 int
17 main1 (s *arr)
18 {
19 int i;
20 s *ptr = arr;
21 s res[N];
22
23 /* SLP with unrolling by 4. */
24 for (i = 0; i < N; i++)
25 {
26 res[i].c = ptr->c + ptr->c;
27 res[i].a = ptr->a + ptr->a;
28 res[i].d = ptr->d + ptr->d;
29 res[i].b = ptr->b + ptr->b;
30 res[i].e = ptr->e + ptr->e;
31 ptr++;
32 }
33
34 /* check results: */
35 for (i = 0; i < N; i++)
36 {
37 if (res[i].c != arr[i].c + arr[i].c
38 || res[i].a != arr[i].a + arr[i].a
39 || res[i].d != arr[i].d + arr[i].d
40 || res[i].b != arr[i].b + arr[i].b
41 || res[i].e != arr[i].e + arr[i].e)
42 abort();
43 }
44
45 }
46
47 int main (void)
48 {
49 int i;
50 s arr[N];
51
52 check_vect ();
53
54 for (i = 0; i < N; i++)
55 {
56 arr[i].a = i;
57 arr[i].b = i * 2;
58 arr[i].c = 17;
59 arr[i].d = i+34;
60 arr[i].e = i * 3 + 5;
61 if (arr[i].a == 178)
62 abort();
63 }
64
65 main1 (arr);
66
67 return 0;
68 }
69
70 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
71 /* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" } } */
72