https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87871
--- Comment #31 from Segher Boessenkool <segher at gcc dot gnu.org> --- It's how you do a parallel of a mov and a flags set, which of course you can have before RA, and you want created by combine, typically. Or do I misunderstand the question? (I though Arm have a "movs" op for this, btw?)