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[Bug target/65151] [SH][4.9 Regression] Internal compiler error when trying to build libav 11.2 on sh4
- 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: Sun, 22 Feb 2015 23:49:03 +0000
- Subject: [Bug target/65151] [SH][4.9 Regression] Internal compiler error when trying to build libav 11.2 on sh4
- Auto-submitted: auto-generated
- References: <bug-65151-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65151
--- Comment #9 from Kazumoto Kojima <kkojima at gcc dot gnu.org> ---
(In reply to Oleg Endo from comment #8)
> I've also tried to see if the movrt pattern on SH2A has the same problem.
> But the only thing that seems to trigger it is a movt. The patch in c#7
> could also be applied to trunk, just in case. But I'm not sure if we should
> do so, because on trunk the problem doesn't happen and I actually don't like
> the hunk for sh_hard_regno_mode_ok, as everything in the backend treats
> T_REG as SImode.
> Kaz, do you have any opinions?
I have no idea other than that.