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[Bug target/63347] m68k misoptimisation with -fschedule-insns
- From: "jifl-bugzilla at jifvik dot org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 09 Dec 2014 05:09:45 +0000
- Subject: [Bug target/63347] m68k misoptimisation with -fschedule-insns
- Auto-submitted: auto-generated
- References: <bug-63347-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63347
--- Comment #7 from Jonathan Larmour <jifl-bugzilla at jifvik dot org> ---
I have also now submitted bug 64233 which is about a different testcase which
also gets misoptimised. This may or may not be related, but could well be since
-fschedule-insns is what makes a difference, and a 'tst' disappears (although
there may be more going wrong with that testcase).
Hopefully this will make it easier for someone to work on fixing this, which I
would be very grateful for! Right now, I can't consider the coldfire tools
robust enough to safely use for production code which is unfortunate :-(.
So if anyone could spend some time looking at this bug or bug 64233, that would
be great, thanks!