On Mon, Nov 03, 2008 at 02:17:40PM -0800, H.J. Lu wrote:
> My question is if we should put AVX intrinsics directly in immintrin.h or in
> a separate file. If we put AVX and future intrinsics directly in immintrin.h,
> immintrin.h may become very large and harder to maintain. Another
> choice is to put AVX intrinsics in a separate file, saying avxintrin.h:
>
> #ifndef _IMMINTRIN_H_INCLUDED
> # error "Never use <avxintrin.h> directly; include <immintrin.h> instead."
> #else
> AVX intrinsics
> #endif /* _IMMINTRIN_H_INCLUDED */
I think a separate header with such an error is better.
Note, you can just #endif right after the error and put AVX intrinsics in
the file, no need to have everything inside of the #else.
Jakub
