[PATCH] D128571: [X86] Support `_Float16` on SSE2 and up

[Ben Langmuir via Phabricator via cfe-commits]

benlangmuir added a comment.

This broke some compiler-rt tests on Darwin:
https://green.lab.llvm.org/green/job/clang-stage1-RA/29920/

  Test Result (3 failures / +3)
  Builtins-x86_64-darwin.Builtins-x86_64-darwin.extendhfsf2_test.c
  Builtins-x86_64-darwin.Builtins-x86_64-darwin.truncdfhf2_test.c
  Builtins-x86_64-darwin.Builtins-x86_64-darwin.truncsfhf2_test.c


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D128571/new/

https://reviews.llvm.org/D128571