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[Bug target/57735] ICE with -mtune=xscale (error: could not split insn) when building webkit
- From: "ktkachov at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Mon, 01 Jul 2013 11:19:33 +0000
- Subject: [Bug target/57735] ICE with -mtune=xscale (error: could not split insn) when building webkit
- Auto-submitted: auto-generated
- References: <bug-57735-4 at http dot gcc dot gnu dot org/bugzilla/>
http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57735
--- Comment #5 from ktkachov at gcc dot gnu.org ---
(In reply to Mikael Pettersson from comment #4)
> The ICE on the reduced test case started with r186147 and stopped with
> r199188.
> They both touch the same code so I believe r199188 is a proper fix and not
> just coincidental. Backporting r199188 to current 4.8 branch fixes the ICE
> there too,
> but I haven't done a full bootstrap and regression test run on anything
> except x86_64 yet.
>
> r199188 did cause a regression (ICE on s390x), but the fix for that has
> already been backported to 4.8 branch (at r199813).
Thanks for investigating. I'll run a bootstrap on arm with the backported
patch.