Viewing file:  slp-11b.c (1.26 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 8
int
main1 ()
{
int i;
unsigned int out[N*8], a0, a1, a2, a3, a4, a5, a6, a7, b1, b0, b2, b3, b4, b5, b6, b7;
unsigned int in[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63};
/* Requires permutation for SLP. */
for (i = 0; i < N*2; i++)
{
out[i*4] = (in[i*4] + 2) * 3;
out[i*4 + 1] = (in[i*4 + 2] + 2) * 7;
out[i*4 + 2] = (in[i*4 + 1] + 7) * 3;
out[i*4 + 3] = (in[i*4 + 3] + 3) * 7;
}
/* check results: */
for (i = 0; i < N*2; i++)
{
if (out[i*4] != (in[i*4] + 2) * 3
|| out[i*4 + 1] != (in[i*4 + 2] + 2) * 7
|| out[i*4 + 2] != (in[i*4 + 1] + 7) * 3
|| out[i*4 + 3] != (in[i*4 + 3] + 3) * 7)
abort ();
}
return 0;
}
int main (void)
{
check_vect ();
main1 ();
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target { { vect_strided4 || vect_perm } && vect_int_mult } } } } */
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 1 "vect" { target { vect_perm && vect_int_mult } } } } */
|
