[PATCH] D23166: [X86] Improve code size on X86 segment moves

[Reid Kleckner via llvm-commits]

rnk added a comment.

I dono, if someone really writes `movl %eax, %cs` I would assume they really want the prefix, right? Obviously gas does something else, but that's surprising to me.


https://reviews.llvm.org/D23166