Viewing file:  vshift-3.c (2.15 KB) -rw-r--r--
Select action/file-type:
 (+) |  (+) |  (+) | Code (+) | Session (+) |  (+) | SDB (+) |  (+) |  (+) |  (+) |  (+) |  (+) |
/* { dg-do run } */
/* { dg-options "-O3" } */
#include <stdlib.h>
#define N 64
#ifndef TYPE1
#define TYPE1 int
#define TYPE2 long long
#endif
signed TYPE1 a[N], b, g[N];
unsigned TYPE1 c[N], h[N];
signed TYPE2 d[N], e, j[N];
unsigned TYPE2 f[N], k[N];
#ifndef S
#define S(x) x
#endif
__attribute__((noinline)) void
f1 (void)
{
int i;
for (i = 0; i < N; i++)
g[i] = a[i] << S (b);
}
__attribute__((noinline)) void
f2 (void)
{
int i;
for (i = 0; i < N; i++)
g[i] = a[i] >> S (b);
}
__attribute__((noinline)) void
f3 (void)
{
int i;
for (i = 0; i < N; i++)
h[i] = c[i] >> S (b);
}
__attribute__((noinline)) void
f4 (void)
{
int i;
for (i = 0; i < N; i++)
j[i] = d[i] << S (e);
}
__attribute__((noinline)) void
f5 (void)
{
int i;
for (i = 0; i < N; i++)
j[i] = d[i] >> S (e);
}
__attribute__((noinline)) void
f6 (void)
{
int i;
for (i = 0; i < N; i++)
k[i] = f[i] >> S (e);
}
__attribute__((noinline)) void
f7 (void)
{
int i;
for (i = 0; i < N; i++)
j[i] = d[i] << S (b);
}
__attribute__((noinline)) void
f8 (void)
{
int i;
for (i = 0; i < N; i++)
j[i] = d[i] >> S (b);
}
__attribute__((noinline)) void
f9 (void)
{
int i;
for (i = 0; i < N; i++)
k[i] = f[i] >> S (b);
}
int
main ()
{
int i;
b = 7;
e = 12;
for (i = 0; i < N; i++)
{
asm ("");
c[i] = (rand () << 1) | (rand () & 1);
a[i] = c[i];
d[i] = (rand () << 1) | (rand () & 1);
d[i] |= (unsigned long long) c[i] << 32;
f[i] = d[i];
}
f1 ();
f3 ();
f4 ();
f6 ();
for (i = 0; i < N; i++)
if (g[i] != (signed TYPE1) (a[i] << S (b))
|| h[i] != (unsigned TYPE1) (c[i] >> S (b))
|| j[i] != (signed TYPE2) (d[i] << S (e))
|| k[i] != (unsigned TYPE2) (f[i] >> S (e)))
abort ();
f2 ();
f5 ();
f9 ();
for (i = 0; i < N; i++)
if (g[i] != (signed TYPE1) (a[i] >> S (b))
|| j[i] != (signed TYPE2) (d[i] >> S (e))
|| k[i] != (unsigned TYPE2) (f[i] >> S (b)))
abort ();
f7 ();
for (i = 0; i < N; i++)
if (j[i] != (signed TYPE2) (d[i] << S (b)))
abort ();
f8 ();
for (i = 0; i < N; i++)
if (j[i] != (signed TYPE2) (d[i] >> S (b)))
abort ();
return 0;
}
|
