Mercurial > hg > CbC > CbC_gcc
view libgomp/testsuite/libgomp.c/atomic-2.c @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | a06113de4d67 |
children |
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/* { dg-do run } */ /* { dg-additional-options "-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; }