[cfe-users] Clang and __gnu_cxx::simd_fast_mersenne_twister_engine. SSE2 bug?

John Steele Scott toojays at toojays.net
Tue Apr 1 19:09:46 PDT 2014

On 01/04/14 17:02, John Steele Scott wrote:
> GCC 4.8 added an SSE2 optimized simd_fast_mersenne_twister_engine in the
> __gnu_cxx namespace. I've been able to use  this successfully with both GCC and
> ICC, but when I use it with Clang, it doesn't give consistent results.

Ah, this is <http://llvm.org/bugs/show_bug.cgi?id=18323>.
There's a workaround there which fixes my test case as well.



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