[Bug target/98647] Failure to optimize out convertion from float to vector type

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98647

Andrew Pinski <pinskia at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Keywords|                            |ABI

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
I think this is an ABI issue.  What does the x86_64 ABI say about the other
bits of the SSE register when passing float to a function?
It might be the case that clang/llvm is not implementing the ABI correctly.