https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89482
--- Comment #7 from David <gccbugzilla at limegreensocks dot com> --- (In reply to ktkachov from comment #6) > I think David (CC'ed) was interested in this? Well, the news here is mixed. While I attempted to write this (see https://www.limegreensocks.com/arm/Extended-Asm.html#AArch64Operandmodifiers), I don't actually speak ARM assembler. AAR, my confidence in my attempts to explain things or give examples is limited. I'm not excited about posting a doc patch that turns out to be stupid when viewed by ARM experts. Unless someone who does speak ARM is prepared to comment/review, I'm not sure how to proceed. And the few people I know who do speak ARM aren't responding. - David