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[Bug rtl-optimization/47454] registers are not allocated according to its preferred order
- From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Fri, 28 Jan 2011 14:36:41 +0000
- Subject: [Bug rtl-optimization/47454] registers are not allocated according to its preferred order
- Auto-submitted: auto-generated
- References: <bug-47454-4@http.gcc.gnu.org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=47454
Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:
What |Removed |Added
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CC| |ebotcazou at gcc dot
| |gnu.org
--- 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.