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[Bug target/66358] [5/6 Regression] [SH] ICE: in extract_constrain_insn, at recog.c:2232
- From: "kkojima at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 02 Jun 2015 23:55:10 +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 #7 from Kazumoto Kojima <kkojima at gcc dot gnu.org> ---
(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.
> I'd like to give the RTL pass a try, although it's probably even more
> invasive than the patch above.
It sounds better and OK for trunk. Also yes, it looks too invasive
for the release branch.