[PATCH] D42615: [X86] Generate BT instrutions a bit more agressively

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

BT has lower throughput than and/test and can't be macrofused. This probably isn't a win. See https://reviews.llvm.org/D37418 for some more discussion on this.


Repository:
  rL LLVM

https://reviews.llvm.org/D42615