mirror of
https://github.com/autc04/Retro68.git
synced 2024-12-23 10:31:22 +00:00
76 lines
1.2 KiB
C
76 lines
1.2 KiB
C
/* { dg-do run } */
|
|
/* { dg-additional-options "-ftree-parallelize-loops=2" } */
|
|
|
|
/* Variable bound, vector addition, signed loop counter, signed bound. */
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#define N 1000
|
|
|
|
unsigned int a[N];
|
|
unsigned int b[N];
|
|
unsigned int c[N];
|
|
|
|
void __attribute__((noclone,noinline))
|
|
f (int n, unsigned int *__restrict__ a, unsigned int *__restrict__ b,
|
|
unsigned int *__restrict__ c)
|
|
{
|
|
int i;
|
|
|
|
for (i = 0; i < n; ++i)
|
|
c[i] = a[i] + b[i];
|
|
}
|
|
|
|
static void __attribute__((noclone,noinline))
|
|
init (void)
|
|
{
|
|
int i, j;
|
|
|
|
/* Complexify loop to inhibit parloops. */
|
|
for (j = 0; j < 100; ++j)
|
|
for (i = 0; i < 10; i++)
|
|
{
|
|
int k = i + (10 * j);
|
|
a[k] = k;
|
|
b[k] = (k * 3) % 7;
|
|
c[k] = k * 2;
|
|
}
|
|
}
|
|
|
|
int
|
|
main (void)
|
|
{
|
|
int i;
|
|
|
|
init ();
|
|
|
|
f (N, a, b, c);
|
|
|
|
for (i = 0; i < N; i++)
|
|
{
|
|
unsigned int actual = c[i];
|
|
unsigned int expected = i + ((i * 3) % 7);
|
|
if (actual != expected)
|
|
abort ();
|
|
}
|
|
|
|
/* Test low iteration count case. */
|
|
|
|
init ();
|
|
|
|
f (10, a, b, c);
|
|
|
|
for (i = 0; i < N; i++)
|
|
{
|
|
unsigned int actual = c[i];
|
|
unsigned int expected = (i < 10
|
|
? i + ((i * 3) % 7)
|
|
: i * 2);
|
|
if (actual != expected)
|
|
abort ();
|
|
}
|
|
|
|
return 0;
|
|
}
|