[Bug rtl-optimization/47454] registers are not allocated according to its preferred order

ebotcazou at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Fri Jan 28 14:59:00 GMT 2011


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47454

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

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--- Comment #2 from Eric Botcazou <ebotcazou at gcc dot gnu.org> 2011-01-28 14:36:26 UTC ---
> I have thought about doing work in IRA to address this, so that we impose a
> higher cost for the higher registers if we have not yet ventured into them.

-frename-registers should help for this issue on the ARM.



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