[i386] Replace builtins with vector extensions

[Marc Glisse]

Ping
http://gcc.gnu.org/ml/gcc-patches/2014-04/msg00590.html

(note that ARM seems to be doing the same thing for their neon 
intrinsics, see Ramana's patch series posted today)

On Fri, 11 Apr 2014, Marc Glisse wrote:

> Hello,
>
> the previous discussion on the topic was before we added all those #pragma 
> target in *mmintrin.h:
>
> http://gcc.gnu.org/ml/gcc-patches/2013-04/msg00374.html
>
> I believe that removes a large part of the arguments against it. Note that I 
> only did a few of the more obvious intrinsics, I am waiting to see if this 
> patch is accepted before doing more.
>
> Bootstrap+testsuite on x86_64-linux-gnu.
>
> 2014-04-11  Marc Glisse  <marc.glisse@inria.fr>
>
> 	* config/i386/xmmintrin.h (_mm_add_ps, _mm_sub_ps, _mm_mul_ps,
> 	_mm_div_ps, _mm_store_ss, _mm_cvtss_f32): Use vector extensions
> 	instead of builtins.
> 	* config/i386/emmintrin.h (_mm_store_sd, _mm_cvtsd_f64, 
> _mm_storeh_pd,
> 	_mm_cvtsi128_si64, _mm_cvtsi128_si64x, _mm_add_pd, _mm_sub_pd,
> 	_mm_mul_pd, _mm_div_pd, _mm_storel_epi64, _mm_movepi64_pi64,
> 	_mm_loadh_pd, _mm_loadl_pd): Likewise.
> 	(_mm_sqrt_sd): Fix comment.

-- 
Marc Glisse