Viewing file:  vect-98-big-array.c (1.11 KB) -rw-r--r--
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/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 16
#define DOT16( a, b) ( a[0]*b[0] + a[1]*b[1] + a[2]*b[2] + a[3]*b[3] + \
a[4]*b[4] + a[5]*b[5] + a[6]*b[6] + a[7]*b[7] + \
a[8]*b[8] + a[9]*b[9] + a[10]*b[10] + a[11]*b[11] + \
a[12]*b[12] + a[13]*b[13] + a[14]*b[14] + a[15]*b[15])
__attribute__ ((noinline))
int main1 (int ia[][N])
{
int i, j;
int ib[N] = {0,3,6,9};
int ic[N][N];
for (i = 0; i < N; i++)
{
ic[0][i] = DOT16 (ia[i], ib);
}
/* check results: */
for (i = 0; i < N; i++)
{
if (ic[0][i] != DOT16 (ia[i], ib))
abort ();
}
return 0;
}
int main (void)
{
int ia[N][N];
int i,j;
for (i = 0; i < N; i++)
for (j = 0; j < N; j++)
{
ia[i][j] = i + j + 1;
asm volatile ("" ::: "memory");
}
check_vect ();
return main1 (ia);
}
/* Needs interleaving support. */
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_strided4 } } } */
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 0 "vect" { xfail vect_strided4 } } } */
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