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[Bug rtl-optimization/69904] [6 Regression] shrink-wrapping creates weird atomic compare exchange loop on arm
- 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: Thu, 03 Mar 2016 09:36:32 +0000
- Subject: [Bug rtl-optimization/69904] [6 Regression] shrink-wrapping creates weird atomic compare exchange loop on arm
- Auto-submitted: auto-generated
- References: <bug-69904-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69904
--- Comment #6 from ktkachov at gcc dot gnu.org ---
(In reply to ktkachov from comment #5)
> I'll propose a patch to disallow copying of load-exclusive insns
https://gcc.gnu.org/ml/gcc-patches/2016-03/msg00211.html