[PATCH][x86] Remove duplicated headers includes

[Uros Bizjak]

On Wed, May 30, 2018 at 2:44 PM, Peryt, Sebastian
<sebastian.peryt@intel.com> wrote:
> Hi,
>
> I have made some cleaning to remove redundancy in includes call of some of the headers in x86intrin.h.
> Removed headers were included in both x86intrin.h and immintrin.h which is included into x86intrin.h.
>
> Is it ok for trunk?
>
> 2018-05-30  Sebastian Peryt  <sebastian.peryt@intel.com>
>
> gcc/
>
>         * config/i386/cldemoteintrin.h: Change define from _X86INTRIN_H_INCLUDED
>         to _IMMINTRIN_H_INCLUDED.
>         * config/i386/pconfigintrin.h: Ditto.
>         * config/i386/waitpkgintrin.h: Ditto.
>         * config/i386/immintrin.h: Add includes for sgxintrin.h,
>         pconfigintrin.h, waitpkgintrin.h and cldemoteintrin.h.
>         * config/i386/x86intrin.h: Remove includes for mintrin.h, xmmintrin.h,
>         emmintrin.h, pmmintrin.h, tmmintrin.h, smmintrin.h, wmmintrin.h,
>         bmiintrin.h, bmi2intrin.h, lzcntintrin.h, sgxintrin.h, pconfigintrin.h,
>         waitpkgintrin.h and cldemoteintrin.h.

IIRC all new headers should be included through x86intrin.h.

However, these headers follow ICC, so gcc should just copy what ICC
does. I'm not able to do any meaningful review in this area, lets ask
HJ for review and approval.

Uros.