Mercurial > hg > CbC > CbC_gcc
view libgomp/testsuite/libgomp.c/atomic-2.c @ 0:a06113de4d67
first commit
author | kent <kent@cr.ie.u-ryukyu.ac.jp> |
---|---|
date | Fri, 17 Jul 2009 14:47:48 +0900 |
parents | |
children | 04ced10e8804 |
line wrap: on
line source
/* { dg-do run } */ /* { dg-options "-O2 -mcx16" { target { { i?86-*-* x86_64-*-* } && lp64 } } } */ #ifdef __x86_64__ #include "cpuid.h" #endif double d = 1.5; long double ld = 3; extern void abort (void); void test (void) { #pragma omp atomic d *= 1.25; #pragma omp atomic ld /= 0.75; if (d != 1.875 || ld != 4.0L) abort (); } 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 test (); return 0; }