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[Bug target/66563] [4.9 Regression] ICE (segmentation fault) on sh4-linux-gnu
- 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: Wed, 24 Jun 2015 22:19:28 +0000
- Subject: [Bug target/66563] [4.9 Regression] ICE (segmentation fault) on sh4-linux-gnu
- Auto-submitted: auto-generated
- References: <bug-66563-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66563
--- Comment #35 from Kazumoto Kojima <kkojima at gcc dot gnu.org> ---
(In reply to Oleg Endo from comment #33)
> I see, thanks. In this case, could you please add a comment e.g.:
>
> ;; Loads of the GOTPC relocation values must not be optimized away
> ;; by e.g. any kind of CSE and must stay as they are. Although there
> ;; are other various ways to ensure this, we use an artificial counter
> ;; operand to generate unique symbols.
> (define_expand "GOTaddr2picreg"
Good thinking. I've committed the patch with your comment on trunk.