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

[Eli Friedman via Phabricator via cfe-commits]

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.


Repository:
  rC Clang

https://reviews.llvm.org/D45616