[PATCH] D41756: [libcxx] implement <experimental/simd> simd_mask<> casts and some horizontal operations.
Tim Shen via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Thu Jan 4 18:22:44 PST 2018
timshen created this revision.
timshen added reviewers: mclow.lists, EricWF.
Herald added a subscriber: sanjoy.
popcount is implemented in terms of for loop. On x86, it can be specialized to _mm_movemask_* + __builtin_popcountll() in the future.
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