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[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [libgomp/] [testsuite/] [libgomp.c/] [atomic-6.c] - Rev 741
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/* PR middle-end/36106 */ /* { dg-options "-O2" } */ /* { dg-options "-O2 -mieee" { target alpha*-*-* } } */ /* { dg-options "-O2 -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; }
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