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/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 64
#define DOT3 43680
signed char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
signed char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
/* char->int->int dot product.
Not detected as a dot-product pattern. */
__attribute__ ((noinline)) int
foo3(int len) {
int i;
int result = 0;
for (i=0; i<len; i++) {
result += (X[i] * Y[i]);
}
return result;
}
int main (void)
{
int i, dot3;
check_vect ();
for (i=0; i<N; i++) {
X[i] = i;
Y[i] = 64-i;
__asm__ volatile ("");
}
dot3 = foo3 (N);
if (dot3 != DOT3)
abort ();
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 1 "vect" { target vect_unpack } } } */
/* { dg-final { cleanup-tree-dump "vect" } } */
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