On Thu, 11 Nov 2021 11:32:49 GMT, Roman Kennke <rken...@openjdk.org> wrote:
>> Port the Shenandoah garbage collector >> (JDK-8241457)[https://bugs.openjdk.java.net/browse/JDK-8241457] to linux on >> ppc64le. > > src/hotspot/cpu/ppc/gc/shenandoah/c1/shenandoahBarrierSetC1_ppc.cpp line 83: > >> 81: LIRGenerator* gen = access.gen(); >> 82: >> 83: if (ShenandoahCASBarrier) { > > I am not sure, but I almost think we should not even end up in the method > with -ShenandoahCASBarrier. If anything, -ShenandoahCASBarrier should result > in only calling super to emit regular CAS without any barriers. We hit this case when running `jdk/bin/java -XX:+UseShenandoahGC -XX:ShenandoahGCMode=passive -version`. x86 and aarch64 check for ShenandoahCASBarrier, too. So, looks like these checks are needed and correct. ------------- PR: https://git.openjdk.java.net/jdk/pull/6325
