[PATCH] D45616: [X86] Lower _mm[256|512]_cmp[.]_mask intrinsics to native llvm IR

Eli Friedman via Phabricator via cfe-commits cfe-commits at lists.llvm.org
Mon May 21 13:00:53 PDT 2018

efriedma added a subscriber: andrew.w.kaylor.
efriedma added a comment.

I don't see any reason to exactly match the constant specified by the user, as long as the result is semantically equivalent.

Once we have llvm.experimental.constrained.fcmp, this code should be updated to emit it; that will preserve the user's intended exception semantics.

  rC Clang


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