[Bug target/67032] [4.9/5/6 Regression] Geode optimizations incorrectly return -NaN

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67032

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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           Priority|P3                          |P2

--- Comment #11 from Richard Biener <rguenth at gcc dot gnu.org> ---
I thought using %xmm registers is _always_ wrong unless the user properly
saved/restored the FP stack state.

So not sure why we still have MMX support at all (apart from for intrinsics
which probably need to expose things to the RA again... sigh).