Viewing file:  vect-live-2.c (1.19 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* Disabling epilogues until we find a better way to deal with scans. */
/* { dg-additional-options "--param vect-epilogues-nomask=0" } */
/* { dg-require-effective-target vect_long } */
/* { dg-require-effective-target vect_shift } */
/* { dg-additional-options "-fno-tree-scev-cprop" } */
#include "tree-vect.h"
/* Statement used outside the loop.
NOTE: SCEV disabled to ensure the live operation is not removed before
vectorization. */
__attribute__ ((noinline)) int
liveloop (int start, int n, int *x, int *y)
{
int i = start;
int j;
int ret;
for (j = 0; j < n; ++j)
{
i += 1;
x[j] = i;
ret = y[j];
}
return ret;
}
#define MAX 97
#define START 13
int
main (void)
{
int a[MAX];
int b[MAX];
int i;
check_vect ();
for (i=0; i<MAX; i++)
{
__asm__ volatile ("");
b[i] = i;
}
int ret = liveloop (START, MAX, a, b);
if (ret != MAX - 1)
abort ();
for (i=0; i<MAX; i++)
{
__asm__ volatile ("");
if (a[i] != i+START+1)
abort ();
}
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" } } */
/* { dg-final { scan-tree-dump-times "vec_stmt_relevant_p: stmt live but not relevant" 1 "vect" } } */
|
