On Fri, 22 Jan 2021 18:26:43 GMT, Igor Veresov <ivere...@openjdk.org> wrote:
>> Hmm, may be we don't need these funxctions. >> Seems is_c1_only() will be true only when JVMCI is off. Right? We can also >> reinforce it to exclude AOT too. >> And AOT and JVMCI are disabled with -Xint. > > It's not so easy. You can have AOT or JVMCI enabled with -Xint. JVMCI code > installs can be initiated not only as a result of method going through the > compiler broker. Remember that you can run Graal in "host" mode, where it is > a normal C1/C2 system (or may be just an interpreter); Truffle can work in a > mode like that. And you can totally run with AOT and interpreter (without any > JIT). I don't think so: > java -Xint -XX:+UnlockExperimentalVMOptions -XX:+EnableJVMCI -version Java HotSpot(TM) 64-Bit Server VM warning: JVMCI Compiler disabled due to -Xint. > java -Xint -XX:+UnlockExperimentalVMOptions -XX:+UseAOT -XX:+PrintAOT -version Java HotSpot(TM) 64-Bit Server VM warning: -Xint is not compatible with AOT (switching AOT off) ------------- PR: https://git.openjdk.java.net/jdk/pull/1985
