On Sat, Oct 23, 2021 at 01:26:49AM +0100, Jessica Clarke wrote: > On 23 Oct 2021, at 00:31, Konstantin Belousov <k...@freebsd.org> wrote: > > > > The branch main has been updated by kib: > > > > URL: > > https://cgit.FreeBSD.org/src/commit/?id=362c6d8dec6dfbedc5717e45769042279a1dd3df > > > > commit 362c6d8dec6dfbedc5717e45769042279a1dd3df > > Author: Konstantin Belousov <k...@freebsd.org> > > AuthorDate: 2021-10-20 22:42:05 +0000 > > Commit: Konstantin Belousov <k...@freebsd.org> > > CommitDate: 2021-10-22 23:31:16 +0000 > > > > nehemiah: manually assemble xstore(-rng) > > > > It seems that clang IAS erronously adds repz prefix which should not be > > there. Cpu would try to store around %ecx bytes of random, while we > > only expect a word. > > FYI: https://reviews.llvm.org/D112355 Thanks.
Feel free to revert this commit after llvm in tree is fixed.