Viewing file:  no-tree-pre-slp-29.c (1.56 KB) -rw-r--r--
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/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 8
unsigned short in2[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};
int
main1 (unsigned short *in)
{
int i;
unsigned short out[N*8];
for (i = 0; i < N; 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; 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 ();
}
return 0;
}
int
main2 (unsigned short * __restrict__ in, unsigned short * __restrict__ out)
{
int i;
for (i = 0; i < N; 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; 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 ();
}
return 0;
}
int main (void)
{
unsigned short out[N*8];
check_vect ();
main1 (&in2[5]);
main2 (&in2[3], &out[3]);
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" } } */
/* { dg-final { scan-tree-dump-times "vectorizing stmts using SLP" 2 "vect" } } */
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