2012-03-27 23:13:14 +00:00
|
|
|
/* PR middle-end/36106 */
|
2017-04-10 11:32:00 +00:00
|
|
|
/* { dg-additional-options "-mcx16" { target { { i?86-*-* x86_64-*-* } && lp64 } } } */
|
2012-03-27 23:13:14 +00:00
|
|
|
|
|
|
|
|
#ifdef __x86_64__
|
|
|
|
|
# include "cpuid.h"
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
extern void abort (void);
|
|
|
|
|
|
|
|
|
|
int __attribute__((noinline))
|
|
|
|
|
do_test (void)
|
|
|
|
|
{
|
|
|
|
|
long double d = .0L;
|
|
|
|
|
int i;
|
|
|
|
|
#pragma omp parallel for shared (d)
|
|
|
|
|
for (i = 0; i < 10; i++)
|
|
|
|
|
#pragma omp atomic
|
|
|
|
|
d += 1.0L;
|
|
|
|
|
if (d != 10.0L)
|
|
|
|
|
abort ();
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int
|
|
|
|
|
main (void)
|
|
|
|
|
{
|
|
|
|
|
#ifdef __x86_64__
|
|
|
|
|
unsigned int eax, ebx, ecx, edx;
|
|
|
|
|
|
|
|
|
|
if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx))
|
|
|
|
|
return 0;
|
|
|
|
|
|
|
|
|
|
if (!(ecx & bit_CMPXCHG16B))
|
|
|
|
|
return 0;
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
do_test ();
|
|
|
|
|
|
|
|
|
|
return 0;
|
|
|
|
|
}
|
