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[Bug rtl-optimization/38403] [4.4 Regression] unable to find a register to spill in class ‘CREG’ with -fschedule-insns
- From: "jv244 at cam dot ac dot uk" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 Dec 2008 17:22:35 -0000
- Subject: [Bug rtl-optimization/38403] [4.4 Regression] unable to find a register to spill in class ‘CREG’ with -fschedule-insns
- References: <bug-38403-6642@http.gcc.gnu.org/bugzilla/>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Comment #5 from jv244 at cam dot ac dot uk 2008-12-04 17:22 -------
(In reply to comment #4)
> I would suggest you don't spend too much time on reducing a test case, and just
> stop using -fschedule-insns on x86*. There is a reason why it is not enabled
> by default ;-)
somewhat a pity, since this option speeds up the testcase from PR38306 by as
much as 30%.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38403