[PATCH] D125164: [X86] Fix some signedness errors in x86 headers

[Simon Pilgrim via Phabricator via cfe-commits]

RKSimon added a comment.

Actually the ia32_tzcnt builtins should stay the way they are - other C/C++ intrinsics return unsigned so we'd still end up with adding explicit casts


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D125164/new/

https://reviews.llvm.org/D125164