On Thu, 7 Jan 2021 23:06:19 GMT, Igor Veresov <ivere...@openjdk.org> wrote:
>> This change removes the legacy compilation policy and an emulation mode to >> the tiered policy to simulate the old behavior with >> ```-XX:-TieredCompilation```. The change removed a bunch of interpreter >> code, devirtualizes the compilation policy API, adds a consistent way to >> query compiler configuration with the new ```CompilerConfig``` API. >> >> I've tested this with hs-tier{1,2,3,4,5}. And also made sure it builds and >> works with C1/C2-Graal/AOT being enabled/disabled. >> >> Since there are platform-specific changes I would greatly appreciate some >> help from the maintainers of the specific ports to verify the build and run >> basic smoke tests. I've already tested x64 and aarch64. Thanks! > > Igor Veresov has updated the pull request incrementally with one additional > commit since the last revision: > > Fix another s390 compilation failure src/hotspot/cpu/arm/templateInterpreterGenerator_arm.cpp line 376: > 374: // Note: In tiered we increment either counters in MethodCounters* or > 375: // in MDO depending if we're profiling or not. > 376: int increment = InvocationCounter::count_increment; The small code below seems not to be equivalent replacement for the above code. I would appreciate some explanation on why we change the things. Thanks. ------------- PR: https://git.openjdk.java.net/jdk/pull/1985