[PATCH] D20468: [X86][AVX] Ensure zero-extension of _mm256_extract_epi8 and _mm256_extract_epi16

Michael Kuperstein via cfe-commits cfe-commits at lists.llvm.org
Fri May 20 10:03:41 PDT 2016

mkuper added a comment.

You're right, the underlying instructions zext, and it seems like it's the right thing to do. I'm just wondering if this is something user code is supposed to rely on, given the way the intrinsics guide documents them right now.
H.J, could you please take a look?



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