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/* { dg-require-effective-target vect_int } */
/* { dg-additional-options "-fno-ipa-icf" } */
#include "tree-vect.h"
#define N 32
__attribute__ ((noinline)) void
foo (int *__restrict a,
short *__restrict b,
int n)
{
int i;
for (i = 0; i < n; i++)
a[i] = b[i] * 2333;
for (i = 0; i < n; i++)
if (a[i] != b[i] * 2333)
abort ();
}
__attribute__ ((noinline)) void
bar (int *__restrict a,
short *__restrict b,
int n)
{
int i;
for (i = 0; i < n; i++)
a[i] = b[i] * (short) 2333;
for (i = 0; i < n; i++)
if (a[i] != b[i] * (short) 2333)
abort ();
}
int main (void)
{
int i;
int a[N];
short b[N];
for (i = 0; i < N; i++)
{
a[i] = 0;
b[i] = i;
__asm__ volatile ("");
}
foo (a, b, N);
bar (a, b, N);
return 0;
}
/* { dg-final { scan-tree-dump-times "vectorized 1 loops" 2 "vect" { target vect_widen_mult_hi_to_si } } } */
/* { dg-final { scan-tree-dump-times "vect_recog_widen_mult_pattern: detected" 2 "vect" { target vect_widen_mult_hi_to_si_pattern } } } */
/* { dg-final { scan-tree-dump-times "widen_mult pattern recognized" 2 "vect" { target vect_widen_mult_hi_to_si_pattern } } } */
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