51 lines
750 B
C
51 lines
750 B
C
/* { dg-do run { target vect_simd_clones } } */
|
|
/* { dg-additional-options "-msse2" { target sse2_runtime } } */
|
|
/* { dg-additional-options "-mavx" { target avx_runtime } } */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#define N 30
|
|
int a[N], a_ref[N], b[N];
|
|
|
|
#pragma omp declare simd inbranch
|
|
int fib( int n )
|
|
{
|
|
if (n <= 1)
|
|
return n;
|
|
else
|
|
return fib(n-1) + fib(n-2);
|
|
}
|
|
|
|
void fib_ref()
|
|
{
|
|
int i;
|
|
|
|
a_ref[0] = 0;
|
|
a_ref[1] = 1;
|
|
|
|
for (i=2; i < N; i++)
|
|
a_ref[i] = a_ref[i-2] + a_ref[i-1];
|
|
}
|
|
|
|
int main(void)
|
|
{
|
|
int i;
|
|
|
|
#pragma omp simd
|
|
for (i=0; i < N; i++)
|
|
b[i] = i;
|
|
|
|
#pragma omp simd
|
|
for (i=0; i < N; i++)
|
|
a[i] = fib(b[i]);
|
|
|
|
fib_ref ();
|
|
|
|
for (i=0; i < N; i++)
|
|
if (a[i] != a_ref[i])
|
|
abort ();
|
|
|
|
return 0;
|
|
}
|