[PATCH] [X86][SSE] Add v16i8/v32i8 multiplication support

[Simon Pilgrim]

Thanks Elena. I've submitted the patch as is. I have an upcoming patch for sign extension that will simplify much of this code and should make any additional effort to split off SSE2/SSE41 implementations redundant.


REPOSITORY
  rL LLVM

http://reviews.llvm.org/D9115

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