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/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 64
#define SUM 0
/* Require widening-mult or data-unpacking (for the type promotion). */
__attribute__ ((noinline)) int
main1 (short *in, int off, short scale, int n)
{
int i;
int sum = 0;
for (i = 0; i < n; i++) {
sum += ((int) in[i] * (int) in[i+off]) >> scale;
}
return sum;
}
int main (void)
{
int i;
int sum;
short X[N];
check_vect ();
for (i=0; i<N; i++) {
X[i] = 16-i;
__asm__ volatile ("");
}
sum = main1 (X, 1, 16, N-1);
if (sum != SUM)
abort ();
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_widen_mult_hi_to_si } } } */
/* { dg-final { scan-tree-dump-times "vect_recog_widen_mult_pattern: detected" 1 "vect" } } */
/* { dg-final { cleanup-tree-dump "vect" } } */
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