Add _mm_shuffle_epi8 intrinsic.
Add _mm_shuffle_epi8 intrinsic.

dwillmer/rust,dwillmer/rust,aidancully/rust,graydon/rust,graydon/rust,aidancully/rust,dwillmer/rust,GBGamer/rust,graydon/rust,dwillmer/rust,aidancully/rust,GBGamer/rust,dwillmer/rust,aidancully/rust,dwillmer/rust,aidancully/rust,GBGamer/rust,GBGamer/rust,graydon/rust,GBGamer/rust,aidancully/rust,GBGamer/rust,graydon/rust,graydon/rust,dwillmer/rust,GBGamer/rust,GBGamer/rust,dwillmer/rust