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/* { dg-additional-options "--param vect-epilogues-nomask=0" } */
/* { dg-require-effective-target vect_int } */
#include <stdarg.h>
#include "tree-vect.h"
#define N 64
unsigned char X[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
unsigned char Y[N] __attribute__ ((__aligned__(__BIGGEST_ALIGNMENT__)));
unsigned short result[N];
/* unsigned char-> unsigned short widening-mult. */
__attribute__ ((noinline)) int
foo1(int len) {
int i;
for (i=0; i<len; i++) {
result[i] = X[i] * Y[i];
}
}
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_qi_to_hi || vect_unpack } } } } */
/* { dg-final { scan-tree-dump-times "vect_recog_widen_mult_pattern: detected" 1 "vect" { target vect_widen_mult_qi_to_hi_pattern } } } */
/* { dg-final { scan-tree-dump-times "pattern recognized" 1 "vect" { target vect_widen_mult_qi_to_hi_pattern } } } */
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