[Bug target/37488] register allocation spills floats needlessly

bonzini at gnu dot org gcc-bugzilla@gcc.gnu.org
Wed Feb 4 16:22:00 GMT 2009



------- Comment #4 from bonzini at gnu dot org  2009-02-04 16:22 -------
We get a wrong choice of class

    a1 (r59,l0) best FLOAT_REGS, cover FLOAT_REGS

(remember this is with -mfpmath=sse) despite the preferred reload class is
indeed SSE_REGS.

But then, we get the spill even without SSE math.


-- 

bonzini at gnu dot org changed:

           What    |Removed                     |Added
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                 CC|                            |vmakarov at gcc dot gnu dot
                   |                            |org


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=37488



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