git: openjdk/mobile: 8227003: Add high-level JIT compilation mode control mechanism

[duke]

Changeset: 83dda95d
Author:    Igor Veresov <iveresov at openjdk.org>
Date:      2019-11-01 09:39:13 +0000
URL:       https://git.openjdk.java.net/mobile/commit/83dda95d

8227003: Add high-level JIT compilation mode control mechanism

Add tiered mode to emulate non-tiered with special mode for JVMCI compiler. Add -XX:CompilationMode option.

Reviewed-by: never, redestad

! src/hotspot/share/compiler/compilerDefinitions.cpp
! src/hotspot/share/compiler/compilerDefinitions.hpp
! src/hotspot/share/compiler/tieredThresholdPolicy.cpp
! src/hotspot/share/compiler/tieredThresholdPolicy.hpp
! src/hotspot/share/runtime/arguments.cpp
! src/hotspot/share/runtime/flags/jvmFlagConstraintsCompiler.cpp
! src/hotspot/share/runtime/globals.hpp
! test/hotspot/jtreg/compiler/profiling/spectrapredefineclass/Launcher.java
! test/hotspot/jtreg/compiler/profiling/spectrapredefineclass_classloaders/Launcher.java
! test/hotspot/jtreg/serviceability/dcmd/vm/FlagsTest.java