PR middle-end/77357 - strlen of constant strings not folded
[official-gcc.git] / gcc / testsuite / gcc.dg / vect / vect-strided-a-u32-mult.c
blob62a8a51e2034b1065a4438a712a80e0a7c149985
1 /* { dg-require-effective-target vect_int } */
3 #include <stdarg.h>
4 #include "tree-vect.h"
6 #define N 128
8 typedef struct {
9 unsigned int a;
10 unsigned int b;
11 } ii;
13 __attribute__ ((noinline)) int
14 main1 ()
16 unsigned short arr[N];
17 unsigned short *ptr = arr;
18 ii iarr[N];
19 ii *iptr = iarr;
20 unsigned short res[N];
21 ii ires[N];
22 int i;
24 for (i = 0; i < N; i++)
26 arr[i] = i;
27 iarr[i].a = i;
28 iarr[i].b = i * 3;
29 __asm__ volatile ("");
32 for (i = 0; i < N; i++)
34 ires[i].a = iptr->b - iptr->a;
35 ires[i].b = iptr->b + iptr->a;
36 res[i] = *ptr;
37 iptr++;
38 ptr++;
41 /* check results: */
42 for (i = 0; i < N; i++)
44 if (res[i] != arr[i]
45 || ires[i].a != iarr[i].b - iarr[i].a
46 || ires[i].b != iarr[i].b + iarr[i].a)
47 abort ();
50 return 0;
53 int main (void)
55 int i;
57 check_vect ();
59 main1 ();
61 return 0;
64 /* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided2 } } } */