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[Bug target/70814] atomic store of __int128 is not lock free on aarch64
- From: "yyc1992 at gmail dot com" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Tue, 28 Jun 2016 15:54:17 +0000
- Subject: [Bug target/70814] atomic store of __int128 is not lock free on aarch64
- Auto-submitted: auto-generated
- References: <bug-70814-4 at http dot gcc dot gnu dot org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70814
--- Comment #4 from Yichao Yu <yyc1992 at gmail dot com> ---
Thanks for the explanation. I didn't realize that the load is the problem. Just
curious (since I somehow can't find documentation about it), would `ldaxp`
provide the right semantics without the corresponding store?