On 08/10/2012 08:40, Tijl Coosemans wrote:
inline long long
atomic_exchange_and_add (volatile long long *at, long long x)
{
#ifdef USE_GCC_ATOMICS
return __sync_fetch_and_add (at, x);
#elif USE_TBB
atomic<long long> *a = (atomic<long long> *)at;
This cast is dangerous. It looks like atomic<long long> has 8 byte
alignment, but long long on i386 only has 4 byte alignment.
Could that be the cause of the seg fault?
gcc42 just happens to generate it into a place that equals 8 byte align
where gcc46 doesn't?
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