On Thu, 3 Mar 2022 14:37:34 GMT, Andrew Haley <a...@openjdk.org> wrote:
> > > Well, it just didn't build. With the annotation being present, you also > > > need an intrinsic implementation. That's what the error message is > > > saying... > > > > > > Doh, I had no idea the presence of `@IntrinsicCandidate` was mandating the > > VM has an intrinsic implementation these days (Why?! Not much of a > > _candidate_ if it's required..). > > I don't think the intrinsic has to be implemented on every target, but AFAICR > it does have to be declared as an intrinsic in HotSpot. Yes, sorry for the imprecise wording: the declaration must be there. Use of the intrinsic is then controlled via has_match_rule(opcode) and match_rule_supported(opcode). ------------- PR: https://git.openjdk.java.net/jdk/pull/7231
