Any usable SIMD implementation?

[Walter Bright via Digitalmars-d]

On 4/4/2016 9:21 AM, Marco Leise wrote:
>    To put this to good use, we need a reliable way - basically
>    a global variable - to check for SSE4 (or POPCNT, etc.). What
>    we have now does not work across all compilers.

http://dlang.org/phobos/core_cpuid.html