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[Bug target/66358] [5/6 Regression] [SH] ICE: in extract_constrain_insn, at recog.c:2232
- From: "olegendo at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Wed, 03 Jun 2015 09:04:27 +0000
- Subject: [Bug target/66358] [5/6 Regression] [SH] ICE: in extract_constrain_insn, at recog.c:2232
- Auto-submitted: auto-generated
- References: <bug-66358-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66358
--- Comment #8 from Oleg Endo <olegendo at gcc dot gnu.org> ---
(In reply to Kazumoto Kojima from comment #7)
> (In reply to Oleg Endo from comment #6)
> > There could be some negative side effects with the patch above, because it
> > forces the R0 usage quite early (at RTL expansion).
>
> Yes, the comment part says it and it was discussed in #c83
> and #c82 of PR55212. This patch will be a 'micro-degradation',
> though it wins CSiBE for the code size at least, even without LRA.
Ah, right. If it fixes the problem, then I think it's the only option we have
for the release branch.