[PATCH] D48028: [X86] Fix NOOP sched overrides on BDW/HSW/SKL.

[Craig Topper via Phabricator via llvm-commits]

craig.topper added a comment.

The Intel optimization manual talks about nops executing and says that the multi byte nop has an execution dependency on whatever register is encoded in the modrm byte. So that sorta sounds like it uses resources.


Repository:
  rL LLVM

https://reviews.llvm.org/D48028