8159236: [JVMCI] Window-saved SPARC registers should not be considered callee-save Reviewed-by: iveresov

8158260: PPC64: unaligned Unsafe.getInt can lead to the generation of illegal instructions Summary: Adjust instruction generation. Reviewed-by: goetz Contributed-by: gromero@linux.vnet.ibm.com, horii@jp.ibm.com

8159167: [JVMCI] fix HotSpotVMConfig startup performance Reviewed-by: iveresov

8149043: Fix code indentation in test/compiler/stable tests Reviewed-by: vlivanov

8157181: Compilers accept modification of final fields outside initializer methods Summary: Track initialized final field updates; disable constant folding if an update is detected. Enforce final field update rules introduced by JVMS-7 (but only for JDK 9). Reviewed-by: vlivanov, dnsimon, forax, never, kvn, coleenp

8158232: PPC64: improve byte, int and long array copy stubs by using VSX instructions Reviewed-by: goetz, mdoerr Contributed-by: Michihiro Horie <horie@jp.ibm.com>

8157726: VarHandles/Unsafe should support sub-word atomic ops Reviewed-by: psandoz, vlivanov, lagergren

8159244: Partially initialized string object created by C2's string concat optimization may escape Summary: Emit release barrier after String creation to prevent partially initialized object from escaping. Reviewed-by: kvn

8158360: C1: SEGV in generated code Summary: update test to store Object fields Reviewed-by: kvn

8159282: quarantine compiler/jvmci/compilerToVM/ReprofileTest.java Reviewed-by: iignatyev

Merge

8160088: update hotspot tests depending on GC to use @requires vm.gc.X Reviewed-by: iignatyev, mchernov, dholmes