Viewing file:  pr103116-2.c (1.31 KB) -rw-r--r--
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/* { dg-require-effective-target mmap } */
/* { dg-additional-options "-mssse3" { target x86_64-*-* i?86-*-* } } */
#include <sys/mman.h>
#include <stdio.h>
#include "tree-vect.h"
#define COUNT 128
#define MMAP_SIZE 0x20000
#define ADDRESS 0x1122000000
#define TYPE unsigned short
#define GROUP_SIZE 2
#ifndef MAP_ANONYMOUS
#define MAP_ANONYMOUS MAP_ANON
#endif
void __attribute__((noipa))
loop (TYPE *restrict x, TYPE *restrict y)
{
for (int i = 0; i < COUNT; ++i)
{
x[i * 8] = y[i * GROUP_SIZE] + 1;
x[i * 8 + 1] = y[i * GROUP_SIZE] + 2;
x[i * 8 + 2] = y[i * GROUP_SIZE + 1] + 3;
x[i * 8 + 3] = y[i * GROUP_SIZE + 1] + 4;
x[i * 8 + 4] = y[i * GROUP_SIZE] + 5;
x[i * 8 + 5] = y[i * GROUP_SIZE] + 6;
x[i * 8 + 6] = y[i * GROUP_SIZE + 1] + 7;
x[i * 8 + 7] = y[i * GROUP_SIZE + 1] + 8;
}
}
TYPE x[COUNT * 4];
int
main (void)
{
void *y;
TYPE *end_y;
check_vect ();
y = mmap ((void *) ADDRESS, MMAP_SIZE, PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
if (y == MAP_FAILED)
{
perror ("mmap");
return 1;
}
end_y = (TYPE *) ((char *) y + MMAP_SIZE);
loop (x, end_y - COUNT * GROUP_SIZE);
return 0;
}
/* { dg-final { scan-tree-dump "peeling for gaps insufficient for access" "vect" { target { vect_perm_short } } } } */
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