Mercurial > hg > CbC > CbC_gcc
view libgomp/testsuite/libgomp.c/atomic-6.c @ 111:04ced10e8804
gcc 7
author | kono |
---|---|
date | Fri, 27 Oct 2017 22:46:09 +0900 |
parents | a06113de4d67 |
children |
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/* PR middle-end/36106 */ /* { dg-additional-options "-mieee" { target alpha*-*-* } } */ /* { dg-additional-options "-march=i586" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */ #ifdef __i386__ # include "cpuid.h" #endif extern void abort (void); union { unsigned long long l; double d; } u = { .l = 0x7ff0000000072301ULL }; int __attribute__((noinline)) do_test (void) { #pragma omp atomic u.d += 1.0L; return 0; } int main (void) { #ifdef __i386__ unsigned int eax, ebx, ecx, edx; if (!__get_cpuid (1, &eax, &ebx, &ecx, &edx)) return 0; if (!(edx & bit_CMPXCHG8B)) return 0; #endif do_test (); return 0; }