[llvm-bugs] [Bug 39195] Clang no longer optimizing patterns to horizontal add/sub after r343727
via llvm-bugs
llvm-bugs at lists.llvm.org
Wed Dec 5 09:17:14 PST 2018
https://bugs.llvm.org/show_bug.cgi?id=39195
Sanjay Patel <spatel+llvm at rotateright.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |RESOLVED
Fixed By Commit(s)| |344141, 344361
Resolution|--- |FIXED
--- Comment #12 from Sanjay Patel <spatel+llvm at rotateright.com> ---
(In reply to Simon Pilgrim from comment #11)
> What is left to do for this bug?
>
> https://godbolt.org/z/FtBGsD
> This looks right for btver2 (fast horizontal ops).
I think we can close this one after:
https://reviews.llvm.org/D52997 / https://reviews.llvm.org/rL344141
https://reviews.llvm.org/D53095 / https://reviews.llvm.org/rL344361
We still have h-op holes, but they should be tracked by remaining bugs.
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