[PATCH] D36414: [X86][X87] Ensure x87 instructions are tagged as altering the FPSW reg

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added a comment.

In https://reviews.llvm.org/D36414#861169, @craig.topper wrote:

> I wasn't able to get an answer at FNOP. But it doesn't affect this patch.
>
> The patch LGTM.


Thanks, I've committed the patch, but still haven't been able to create any suitable tests. x87 isn't easy to test as it is so its not a new problem, but I'll keep looking at options.


Repository:
  rL LLVM

https://reviews.llvm.org/D36414