[Bug target/47759] _mm_empty() intrinsic fails to serve as a boundary between MMX and x87 code due to optimizations

[pinskia at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47759

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

           What    |Removed                     |Added
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           Keywords|                            |wrong-code

--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> 2011-02-15 21:59:12 UTC ---
Note this is a target specific issue and not a generic scheduler issue as the
target does not communicate to the scheduler that the x87 registers and the MMX
register overlap.