On Fri, Jun 04, 2021 at 03:56:16PM +0200, Peter Zijlstra wrote: > Urgh, I see. Compiler can't really help in that case either I'm afraid. > They'll never want to modify loads that originate in an asm(). We never *can* change an asm template. That is part of the fundamental properties of inline asm. We cannot even parse it! Segher