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/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 64
short X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
short Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
int result[N];
/* short->int widening-mult */
int
foo1(int len) {
int i;
for (i=0; i<len/2; i++) {
result[2*i] = X[2*i] * Y[2*i];
result[2*i+1] = X[2*i+1] * Y[2*i+1];
}
}
int main (void)
{
int i;
check_vect ();
for (i=0; i<N; i++) {
X[i] = i;
Y[i] = 64-i;
__asm__ volatile ("");
}
foo1 (N);
for (i=0; i<N; i++) {
if (result[i] != X[i] * Y[i])
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 "vectorizing stmts using SLP" 1 "vect" { target vect_widen_mult_hi_to_si } } } */
/* { dg-final { cleanup-tree-dump "vect" } } */
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