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 Jess
