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[Bug rtl-optimization/15023] -frename-registers is buggy and slow
- From: "steven at gcc dot gnu dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: 4 Aug 2005 09:51:09 -0000
- Subject: [Bug rtl-optimization/15023] -frename-registers is buggy and slow
- References: <20040420093437.15023.bonzini@gcc.gnu.org>
- Reply-to: gcc-bugzilla at gcc dot gnu dot org
------- Additional Comments From steven at gcc dot gnu dot org 2005-08-04 09:51 -------
The liveness analysis in df.c misses the registers marked in
flow.c:mark_regs_live_at_end, so that'd have to be fixed first.
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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=15023