Viewing file:  vect-double-reduc-5.c (1.29 KB) -rw-r--r--
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/* { dg-require-effective-target vect_int_mult } */
#include <stdarg.h>
#include "tree-vect.h"
#define K 32
signed short in[2*K][K] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
signed short coeff[K][K] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
int out[K];
int check_result[K] = {642816,660736,678656,696576,714496,732416,750336,768256,786176,804096,822016,839936,857856,875776,893696,911616,929536,947456,965376,983296,1001216,1019136,1037056,1054976,1072896,1090816,1108736,1126656,1144576,1162496,1180416,1198336};
__attribute__ ((noinline)) void
foo ()
{
int sum = 0, i, j, k;
for (k = 0; k < K; k++)
{
sum = 0;
for (j = 0; j < K; j++)
for (i = 0; i < K; i++)
sum += in[i+k][j] * coeff[i][j];
out[k] = sum;
}
}
int main ()
{
int i, j, k;
check_vect ();
for (j = 0; j < K; j++)
{
for (i = 0; i < 2*K; i++)
in[i][j] = i+j;
for (i = 0; i < K; i++)
coeff[i][j] = i+2;
}
foo();
for (k = 0; k < K; k++)
if (out[k] != check_result[k])
abort ();
return 0;
}
/* Vectorization of loops with multiple types and double reduction is not
supported yet. */
/* { dg-final { scan-tree-dump-times "OUTER LOOP VECTORIZED" 1 "vect" { xfail { ! aarch64*-*-* } } } } */
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