Viewing file:  vect-strided-u8-i8-gap7.c (1.74 KB) -rw-r--r--
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/* { 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;
__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;
asm volatile ("" ::: "memory");
}
main1 (arr);
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided8 } } } */
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