[PATCH] D49861: [X86] Improved sched models for X86 XCHG*rr instructions

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In https://reviews.llvm.org/D49861#1184168, @avt77 wrote:

> In https://reviews.llvm.org/D49861#1184028, @RKSimon wrote:
>
> > Tag XADD instructions with WriteXCHG as well?
>
>
> Should we use WriteXCHGADD in this case?


If you want to rename them that's OK - but XADD is just a form of XCHG (it just happens to perform the sum as well).


https://reviews.llvm.org/D49861