Viewing file:  slp-3.c (4.23 KB) -rw-r--r--
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/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 12
unsigned short in[N*8] = {0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60,61,62,63,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31};
int
main1 ()
{
int i;
unsigned short out[N*8];
for (i = 0; i < N; i++)
{
out[i*8] = in[i*8];
out[i*8 + 1] = in[i*8 + 1];
out[i*8 + 2] = in[i*8 + 2];
out[i*8 + 3] = in[i*8 + 3];
out[i*8 + 4] = in[i*8 + 4];
out[i*8 + 5] = in[i*8 + 5];
out[i*8 + 6] = in[i*8 + 6];
out[i*8 + 7] = in[i*8 + 7];
}
/* check results: */
for (i = 0; i < N; i++)
{
if (out[i*8] != in[i*8]
|| out[i*8 + 1] != in[i*8 + 1]
|| out[i*8 + 2] != in[i*8 + 2]
|| out[i*8 + 3] != in[i*8 + 3]
|| out[i*8 + 4] != in[i*8 + 4]
|| out[i*8 + 5] != in[i*8 + 5]
|| out[i*8 + 6] != in[i*8 + 6]
|| out[i*8 + 7] != in[i*8 + 7])
abort ();
}
for (i = 0; i < N*2; i++)
{
out[i*4] = in[i*4];
out[i*4 + 1] = in[i*4 + 1];
out[i*4 + 2] = in[i*4 + 2];
out[i*4 + 3] = in[i*4 + 3];
}
/* check results: */
for (i = 0; i < N*2; i++)
{
if (out[i*4] != in[i*4]
|| out[i*4 + 1] != in[i*4 + 1]
|| out[i*4 + 2] != in[i*4 + 2]
|| out[i*4 + 3] != in[i*4 + 3])
abort ();
}
for (i = 0; i < N/2; i++)
{
out[i*16] = in[i*16];
out[i*16 + 1] = in[i*16 + 1];
out[i*16 + 2] = in[i*16 + 2];
out[i*16 + 3] = in[i*16 + 3];
out[i*16 + 4] = in[i*16 + 4];
out[i*16 + 5] = in[i*16 + 5];
out[i*16 + 6] = in[i*16 + 6];
out[i*16 + 7] = in[i*16 + 7];
out[i*16 + 8] = in[i*16 + 8];
out[i*16 + 9] = in[i*16 + 9];
out[i*16 + 10] = in[i*16 + 10];
out[i*16 + 11] = in[i*16 + 11];
out[i*16 + 12] = in[i*16 + 12];
out[i*16 + 13] = in[i*16 + 13];
out[i*16 + 14] = in[i*16 + 14];
out[i*16 + 15] = in[i*16 + 15];
}
/* check results: */
for (i = 0; i < N/2; i++)
{
if (out[i*16] != in[i*16]
|| out[i*16 + 1] != in[i*16 + 1]
|| out[i*16 + 2] != in[i*16 + 2]
|| out[i*16 + 3] != in[i*16 + 3]
|| out[i*16 + 4] != in[i*16 + 4]
|| out[i*16 + 5] != in[i*16 + 5]
|| out[i*16 + 6] != in[i*16 + 6]
|| out[i*16 + 7] != in[i*16 + 7]
|| out[i*16 + 8] != in[i*16 + 8]
|| out[i*16 + 9] != in[i*16 + 9]
|| out[i*16 + 10] != in[i*16 + 10]
|| out[i*16 + 11] != in[i*16 + 11]
|| out[i*16 + 12] != in[i*16 + 12]
|| out[i*16 + 13] != in[i*16 + 13]
|| out[i*16 + 14] != in[i*16 + 14]
|| out[i*16 + 15] != in[i*16 + 15])
abort ();
}
/* SLP with unrolling by 8. */
for (i = 0; i < N/4; i++)
{
out[i*9] = in[i*9];
out[i*9 + 1] = in[i*9 + 1];
out[i*9 + 2] = in[i*9 + 2];
out[i*9 + 3] = in[i*9 + 3];
out[i*9 + 4] = in[i*9 + 4];
out[i*9 + 5] = in[i*9 + 5];
out[i*9 + 6] = in[i*9 + 6];
out[i*9 + 7] = in[i*9 + 7];
out[i*9 + 8] = in[i*9 + 8];
}
/* check results: */
for (i = 0; i < N/4; i++)
{
if (out[i*9] != in[i*9]
|| out[i*9 + 1] != in[i*9 + 1]
|| out[i*9 + 2] != in[i*9 + 2]
|| out[i*9 + 3] != in[i*9 + 3]
|| out[i*9 + 4] != in[i*9 + 4]
|| out[i*9 + 5] != in[i*9 + 5]
|| out[i*9 + 6] != in[i*9 + 6]
|| out[i*9 + 7] != in[i*9 + 7]
|| out[i*9 + 8] != in[i*9 + 8])
abort ();
}
return 0;
}
int main (void)
{
check_vect ();
main1 ();
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 3 loops" 1 "vect" { target { ! { vect_partial_vectors || vect32 } } } } } */
/* { dg-final { scan-tree-dump-times "vectorized 4 loops" 1 "vect" { target { vect_partial_vectors || vect32 } } } } */
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 3 "vect" { target { ! { vect_partial_vectors || vect32 } } } } }*/
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 4 "vect" { target { vect_partial_vectors || vect32 } } } } */
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