# Changelog

All notable changes to this project will be documented in this file.

The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).

## [2.9.0] - 2019-12-20

### Added

- RISC-V: Hello World!
- NUMAProfiler: memory access profiling in C1X

### Changed

- AllocationProfiler renamed to NUMAProfiler
- NUMAProfiler now needs to be built in the boot image (improves performance)
- Refactored cross-ISA unit-tests (now simpler to run)
- CompilationBroker now crashes if compilation exception is not CiBailout
- Stop relying on external native library for accessing libnuma

### Fixed

- AArch64 call-site patching ala OpenJDK (trampolines)
- Available processors reporting based on CPU_ISSET macro
- Tableswitch in AArch64, ARMv7 and RISC-V
- AArch64 ADRP fix
- AArch64 page size

## [2.8.0] - 2019-06-06

### Added

- jdk8u212 support
- Binary file and assembly generation for offline compiled methods (for debugging/educational purposes)
- Support `-C1X:+PrintLIRWithAssembly` and `-C1X:PrintCFGToFile` for all platforms through objdump
- Off-heap allocation for allocation profiler (-XX:+AllocationProfilerAll -XX:+AllocationProfilerDump)
- Support `-XshowSettings`
- Support `-cp` on `mx olc`

### Fixed

- Fixes to partially support the [renaissance benchmark suite](https://renaissance.dev/)
- Fix `-T1X:+DebugMethods` and `-C1X:+DebugMethods`
- Allow faster dev cycles with docker on macOS
- Fix `mx inspect` on macOS

## [2.7.0] - 2019-04-05

### Added

- Various new RISC-V instructions in assembler (mostly regarding floating points)
- C1X for RISC-V
- C1X test cases for RISC-V
- RISC-V partial image build through cross-compilation
- Allocation Profiler (-XX:+AllocationProfilerAll -XX:+AllocationProfilerDump) gathers stats about object allocations
- Fine grain allocation profiling with -XX:AllocationProfilerEntryPoint -XX:AllocationProfilerExitPoint
- -XX:+LogCompiledMethods to print all runtime compiled methods in the application
- New Jenkinsfile for running benchmarks
- CircleCI configuration
- Dockerfile to create docker images for running and developing Maxine VM
- Dockerization of Continuous Integration

### Fixed

- Reflection.getCallerClass()
- mx gen and jni code generation
- Reduced output of mx build
- Simplified conditional and boolean expressions (refactoring)
- Update Cross-ISA infrastructure to use newer tools
- Documentation refactoring and update
- MacOS support (with OpenJDK 8u181)

## [2.6.0] - 2018-12-05

### Added

- Various new RISC-V instructions in assembler
- T1X for RISC-V
- T1X test cases for RISC-V

### Changed

- Rename nul directory to nulll for MS windows compatibility
- Separated RISC-V 32 from RISC-V 64 ISAs

## [2.5.2] - 2018-10-16

### Fixed

- version in docs

## [2.5.1] - 2018-10-16

### Changed

- Build against OpenJDK8u181-b13
- Transition to upstream mx for building
- Transition changelog to keep-a-changelog format

### Fixed

- Part of the asmdis package for generating assemblers and disassemblers
- AArch64 callsite patching
- JDK8 and JSR292 bug and stability fixes

### Removed

- Obsolete methods from crossisa testing infrastructure

## [2.5.0] - 2018-08-27

### Added

- jsr292 support on C1X
- Parallel and asynchronous JIT compilation
- Deoptimization in AArch64
- New way to test cross-isa assemblers

### Fixed

- Inspector fix to work with Java 8
- Bug and stability fixes

## [2.4.2] - 2018-06-26

### Fixed

- Fix checkstyle url

## [2.4.1] - 2018-06-14

### Fixed

- Bug fix that enables the c1xgraal configuration

## [2.4.0] - 2018-05-31

### Added

- Initial port to AArch64 (runs Hello World)
- Implemented AArch64 C1X port
- Implemented first RISC-V instructions

### Fixed

- Bug and stability fixes
- Code refactoring and cleanup

## [2.3.0] - 2018-03-09

### Added

- Implemented AArch64 Assembler
- Implemented AArch64 T1X port, Adapters
- Ported Cross-ISA testing infrastructure to RISC-V

### Fixed

- Bug and stability fixes
- Code refactoring and cleanup

## [2.2.0] - 2017-11-23

### Added

- Support invokedynamic
- Support lambdas (Only on JDK8 builds)
- Support default methods (Only on JDK8 builds)

### Changed

- Build against OpenJDK8u151-b12

### Fixed

- Bug and stability fixes

### Removed

- End support for JDK6

## [2.1.2] - 2017-10-13

### Added

- Support method handles

### Fixed

- Bug and stability fixes

## [2.1.1] - 2017-05-31

### Changed

- Port to latest OpenJDK 7 (u131)

## [2.1.0] - 2017-04-18

### Added

- Enable profile-guided optimizations in Graal (T1X profiling info added)
- ARMv7 execution (T1X, C1X)

### Fixed

- Bug and stability fixes