[LLVMdev] [PATCH] x86: disambiguate unqualified btr, bts

[Ramkumar Ramachandra]

Jim Grosbach wrote:
> Also, please elaborate on why this is a good change. Because gas accepts it
> isn’t sufficient reason in and of itself.

That they're valid instructions isn't sufficient reason?  Should I
additionally say that linux.git uses them?

I wrote:
> The instructions btr and bts are perfectly valid, and have existed since
> Intel 386.