[llvm-bugs] [Bug 42705] [X86][SSE] combineReductionToHorizontal - enable FHADD support
via llvm-bugs
llvm-bugs at lists.llvm.org
Thu Aug 15 06:28:41 PDT 2019
https://bugs.llvm.org/show_bug.cgi?id=42705
Sanjay Patel <spatel+llvm at rotateright.com> changed:
What |Removed |Added
----------------------------------------------------------------------------
Resolution|--- |FIXED
Status|NEW |RESOLVED
Fixed By Commit(s)| |r368995
--- Comment #2 from Sanjay Patel <spatel+llvm at rotateright.com> ---
Support for FADD specifically is allowed after:
https://reviews.llvm.org/rL368995
If we use this function for FMUL, FMIN, FMAX, or others, then we will need to
add to the 'switch' to make sure that we have the appropriate FMF for the given
operation.
It's also possible that this will require a target callback if some targets
have different implementation/requirements than others.
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