Mercurial > hg > CbC > CbC_gcc

comparison gcc/testsuite/gcc.dg/vect/vect-strided-mult.c @ 111:04ced10e8804

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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 unsigned short a;
10 unsigned short b;
11 } s;
12
13 typedef struct {
14 unsigned int a;
15 unsigned int b;
16 } ii;
17
18 volatile int y = 0;
19
20 __attribute__ ((noinline)) int
21 main1 (s *arr, ii *iarr)
22 {
23 s *ptr = arr;
24 ii *iptr = iarr;
25 s res[N];
26 ii ires[N];
27 int i;
28
29 for (i = 0; i < N; i++)
30 {
31 ires[i].a = iptr->b - iptr->a;
32 ires[i].b = iptr->b + iptr->a;
33 res[i].b = ptr->b - ptr->a;
34 res[i].a = ptr->b + ptr->a;
35 iptr++;
36 ptr++;
37 }
38
39 /* check results: */
40 for (i = 0; i < N; i++)
41 {
42 if (res[i].b != arr[i].b - arr[i].a
43 || ires[i].a != iarr[i].b - iarr[i].a
44 || res[i].a != arr[i].b + arr[i].a
45 || ires[i].b != iarr[i].b + iarr[i].a
46 )
47 abort ();
48 }
49
50 return 0;
51 }
52
53 int main (void)
54 {
55 int i;
56 s arr[N];
57 ii iarr[N];
58
59 check_vect ();
60
61 for (i = 0; i < N; i++)
62 {
63 arr[i].a = i;
64 arr[i].b = i * 2;
65 iarr[i].a = i;
66 iarr[i].b = i * 3;
67 if (y) /* Avoid vectorization. */
68 abort ();
69 }
70
71 main1 (arr, iarr);
72
73 return 0;
74 }
75
76 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided2 } } } */
77