gcc/libatomic/testsuite/libatomic.c/atomic-load-4.c
Richard Henderson 483104922a Add libatomic as a target library.
From-SVN: r187018
2012-05-01 08:48:28 -07:00

67 lines
1.2 KiB
C

/* Test __atomic routines for existence and proper execution on 8 byte
values with each valid memory model. */
/* { dg-do run } */
/* { dg-require-effective-target sync_long_long_runtime } */
/* { dg-options "" } */
/* { dg-options "-march=pentium" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
extern void abort(void);
long long v, count;
main ()
{
v = 0;
count = 0;
if (__atomic_load_n (&v, __ATOMIC_RELAXED) != count++)
abort();
else
v++;
if (__atomic_load_n (&v, __ATOMIC_ACQUIRE) != count++)
abort();
else
v++;
if (__atomic_load_n (&v, __ATOMIC_CONSUME) != count++)
abort();
else
v++;
if (__atomic_load_n (&v, __ATOMIC_SEQ_CST) != count++)
abort();
else
v++;
/* Now test the generic variants. */
__atomic_load (&v, &count, __ATOMIC_RELAXED);
if (count != v)
abort();
else
v++;
__atomic_load (&v, &count, __ATOMIC_ACQUIRE);
if (count != v)
abort();
else
v++;
__atomic_load (&v, &count, __ATOMIC_CONSUME);
if (count != v)
abort();
else
v++;
__atomic_load (&v, &count, __ATOMIC_SEQ_CST);
if (count != v)
abort();
else
v++;
return 0;
}