Viewing file:  slp-cond-1.c (2.38 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-require-effective-target vect_condition } */
#include "tree-vect.h"
#define N 32
int a[N], b[N];
int d[N], e[N];
int k[N];
__attribute__((noinline, noclone)) void
f1 (void)
{
int i;
for (i = 0; i < N/4; i++)
{
k[4*i] = a[4*i] < b[4*i] ? 17 : 0;
k[4*i+1] = a[4*i+1] < b[4*i+1] ? 17 : 0;
k[4*i+2] = a[4*i+2] < b[4*i+2] ? 17 : 0;
k[4*i+3] = a[4*i+3] < b[4*i+3] ? 17 : 0;
}
}
__attribute__((noinline, noclone)) void
f2 (void)
{
int i;
for (i = 0; i < N/2; ++i)
{
k[2*i] = a[2*i] < b[2*i] ? 0 : 24;
k[2*i+1] = a[2*i+1] < b[2*i+1] ? 7 : 4;
}
}
__attribute__((noinline, noclone)) void
f3 (void)
{
int i;
for (i = 0; i < N/2; ++i)
{
k[2*i] = a[2*i] < b[2*i] ? 51 : 12;
k[2*i+1] = a[2*i+1] > b[2*i+1] ? 51 : 12;
}
}
__attribute__((noinline, noclone)) void
f4 (void)
{
int i;
for (i = 0; i < N/2; ++i)
{
int d0 = d[2*i], e0 = e[2*i];
int d1 = d[2*i+1], e1 = e[2*i+1];
k[2*i] = a[2*i] >= b[2*i] ? d0 : e0;
k[2*i+1] = a[2*i+1] >= b[2*i+1] ? d1 : e1;
}
}
int
main ()
{
int i;
check_vect ();
for (i = 0; i < N; i++)
{
switch (i % 9)
{
case 0: asm (""); a[i] = - i - 1; b[i] = i + 1; break;
case 1: a[i] = 0; b[i] = 0; break;
case 2: a[i] = i + 1; b[i] = - i - 1; break;
case 3: a[i] = i; b[i] = i + 7; break;
case 4: a[i] = i; b[i] = i; break;
case 5: a[i] = i + 16; b[i] = i + 3; break;
case 6: a[i] = - i - 5; b[i] = - i; break;
case 7: a[i] = - i; b[i] = - i; break;
case 8: a[i] = - i; b[i] = - i - 7; break;
}
d[i] = i;
e[i] = 2 * i;
}
f1 ();
for (i = 0; i < N; i++)
if (k[i] != ((i % 3) == 0 ? 17 : 0))
abort ();
f2 ();
for (i = 0; i < N; i++)
{
switch (i % 9)
{
case 0:
case 6:
if (k[i] != ((i/9 % 2) == 0 ? 0 : 7))
abort ();
break;
case 1:
case 5:
case 7:
if (k[i] != ((i/9 % 2) == 0 ? 4 : 24))
abort ();
break;
case 2:
case 4:
case 8:
if (k[i] != ((i/9 % 2) == 0 ? 24 : 4))
abort ();
break;
case 3:
if (k[i] != ((i/9 % 2) == 0 ? 7 : 0))
abort ();
break;
}
}
f3 ();
f4 ();
for (i = 0; i < N; i++)
if (k[i] != ((i % 3) == 0 ? e[i] : d[i]))
abort ();
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 3 "vect" } } */
|
