On Fri, May 30, 2014 at 03:41:22PM +0400, Kirill Yukhin wrote:
> That is definetely a bug and I see no compatibility issues in the fix.
>
> The only nit I see: maybe it'd be better to put this cpuid-less intrinsic
> into immintin.h? xmmintrin.h serves for SSE.
Wouldn't that be an API compatibility problem?
I mean, xmmintrin.h header isn't a new header that can be only included
as part of immintrin.h or x86intrin.h, and people who include xmmintrin.h
and expect to find _mm_pause would suddenly get compiler errors.
Jakub
