[rvm-research] Jikes RVM 3.1.4 released

Jikes RVM 3.1.4 has been released and is available at https://github.com/JikesRVM/JikesRVM/archive/3.1.4.tar.gz and https://sourceforge.net/projects/jikesrvm/files/jikesrvm/3.1.4/JikesRVM-3.1.4.tar.gz/download .

Highlights of this release include:
- update to GNU Classpath 0.99
- partial x64 baseline compiler support based on work by Ian Rogers, Da Feng and the Jikes RVM core team
- refactoring of the bootImageRunner (now called the bootloader) based on changes from the Metacircular Research Platform by Ian Rogers
- changes to the test infrastructure to support testing Jikes RVM with Jenkins
- complete visibility of source code for each architecture in Eclipse

Please note that Mac OS X is not supported in Jikes RVM 3.1.4 because GNU Classpath 0.99 doesn't build on Mac OS X.

Since the last release, the Jikes RVM project has moved its website and source code repository to GitHub in order to encourage contributions. Repositories are available at https://github.com/JikesRVM .

We welcome contributions in all areas of the project. Contributions to support OpenJDK as a class library or to get x64 completely working would be especially appreciated. If you're interested in contributing to Jikes RVM in any form, don't hesitate to contact the Jikes RVM core team at [email protected] . Code contributions are possible through pull requests at GitHub, patches via e-mail to [email protected] or attaching patches to issues at https://xtenlang.atlassian.net/browse/RVM .



* Jikes RVM 3.1.4 (February 18, 2016)

Release Notes - JikesRVM - Version 3.1.4

** New Feature
    * [RVM-95] - Switch to building Classpath with javac (stop download of ecj?)
    * [RVM-122] - restructure sys.C into multiple source files.
    * [RVM-153] - Make org.mmtk.utility.heap.PageResource#ZERO_ON_RELEASE configurable and set to true in stress test-run
    * [RVM-1110] - Visualization of opt compiler CFGs using dot output format

** Improvement
    * [RVM-134] - Make register operand register and type fields private
    * [RVM-174] - Reduce/remove use of ArchitectureSpecific
    * [RVM-262] - Improving typing of PPC Assembler registers
    * [RVM-268] - Update JikesRVM copies of classes (e.g. Constructor) to match the 1.5/current Classpath API
    * [RVM-463] - Replace calls to StringBuffer with CPStringBuilder where appropriate
    * [RVM-584] - Automate calculation of compilerDNA from compiler-dna test run Report.xml
    * [RVM-773] - Upgrade to Classpath 0.99
    * [RVM-829] - Assertions on invalid 8bit assembler operations
    * [RVM-999] - Increase robustness of RVMThread.dumpStack
    * [RVM-1013] - MMTk Harness Improvements Jan 2013
    * [RVM-1033] - Compiler-DNA test run based on freely available benchmark
    * [RVM-1048] - Upgrade to ECJ 4.2.2
    * [RVM-1057] - Automatic checking of assertion coding style
    * [RVM-1059] - Test for org.jikesrvm.tools.oth.OptTestHarness
    * [RVM-1079] - Convert non-ArchitectureSpecific constant interfaces to constant classes
    * [RVM-1081] - Convert remaining constant interfaces to constant classes
    * [RVM-1083] - Remove scratch fields from the optimizing compiler IR
    * [RVM-1087] - Move static nested classes out of LinearScan
    * [RVM-1088] - Remove outdated and broken PPC-specific instruction scheduler
    * [RVM-1090] - Improve documentation of register allocator data structures with respect to contracts of equals(), hashCode() and compareTo()
    * [RVM-1097] - Parameterize HeapLayoutConstants to be in sync with address changes in .properties files
    * [RVM-1115] - [change from MRP] Refactor build system to improve support for building C code on other platforms
    * [RVM-1133] - Automatic checking of imports in architecture packages

** Bug
    * [RVM-629] - Incorrect usage of @Untraced?
    * [RVM-692] - Classpath Thread operations not supported because VMThreadMXBeanImpl is not implemented
    * [RVM-781] - GNU Classpath 0.98 causes performance regression in luindex
    * [RVM-837] - ExtremeAssertions builds fail on ppc using IBM Java6 SR4 and SR5
    * [RVM-853] - Protocol handlers do not work with Jikes RVM
    * [RVM-857] - Changes to Strings made via JNI do not propagate back
    * [RVM-867] - Incomplete comment for alignAllocation in Allocator.java
    * [RVM-868] - Method resolution code unable to resolve methods in some cases
    * [RVM-873] - "NullPointerException within uninterruptible region" when executing RVM in x86_64 debian
    * [RVM-875] - Intermittent ClassFormatError whilst running Xalan
    * [RVM-876] - Unnecessary CAS with multiple collector threads attempting to forward
    * [RVM-942] - GNU Classpath does not build on x86-64_linux under Debian Squeeze anymore
    * [RVM-953] - Immix fails with unclear error message in builds without assertions when hardcoded thread limit is exceeded
    * [RVM-957] - Optimizing compiler (at O1+) produces incorrect code for scalac benchmark due to bug in SImpleEscape
    * [RVM-959] - Incorrect rvm.lib library name on OS X
    * [RVM-966] - VM death due to OutOfMemoryError does not always return non-zero exit status
    * [RVM-988] - AddressInputStream does not follow API specification
    * [RVM-1002] - Parameters for "deliverHardwareException" are not pushed in right way
    * [RVM-1016] - PowerPC optimizing compiler generates wrong code for the PPC_ORC and PPC_ORCr operators
    * [RVM-1018] - Code patching caused by classloading can cause deadlock on PPC in dacapo 2006-MR-2 eclipse
    * [RVM-1020] - Wrong path in GCSpy component build file
    * [RVM-1022] - MMTk signals out of memory after a successful emergency collection
    * [RVM-1025] - Nursery is created for non-generational garbage collectors
    * [RVM-1026] - Address conflict caused by overlapping of normal spaces with nursery
    * [RVM-1027] - Crash when bootimage runner uses longjmp
    * [RVM-1028] - VMProcess should use notfiyAll() instead of notify()
    * [RVM-1031] - Assertion failure in GenNurseryTraceLocal.isLive when finalizing objects marked with @NonMoving
    * [RVM-1035] - Test-runs must use extra.rvm.args instead of extra.args in almost all cases
    * [RVM-1036] - Optimizing compiler never inserts checkstore checks in inlined code
    * [RVM-1040] - Add an Ant target to run unit tests on an existing RVM image
    * [RVM-1050] - Memory.memcopy(Address, Address, Extent) can corrupt memory when memory areas overlap
    * [RVM-1053] - GenerationContext.resync() deletes all null check guards
    * [RVM-1066] - Parsing of -Xbootclasspath command line arguments leads to different results for different argument positions
    * [RVM-1067] - Overly eager clearing of Soft references
    * [RVM-1075] - Undefined behaviour during thread termination in sysThreadStartup
    * [RVM-1076] - Miscompilation of write barriers for unboxed types on PPC64 causes ExtremeAssertionsBaseBaseUsePrimitiveWriteBarriers to segfault during RVMThread.boot()
    * [RVM-1078] - SplitBasicBlock does not correctly count instructions when splitting basic blocks
    * [RVM-1080] - Fixes for invalid operations on unboxed types
    * [RVM-1082] - Assertion failure in org.jikesrvm.mm.mmtk.Lock on PPC64
    * [RVM-1086] - Memory leak during thread creation in bootimage runner
    * [RVM-1106] - Assertion failure in AssemblerOpt when emitting CMPXCHG8B
    * [RVM-1108] - Correct implementation of full memory fences in the compilers
    * [RVM-1109] - Jikes RVM doesn't update TIBs of array classes for recompiled java.lang.Object methods
    * [RVM-1116] - [bugfix from MRP] JNI compiler fails to pass > 1 FP arg if not using SSE2
    * [RVM-1120] - Assertion failures in IA32 assembler during baseline compilation when running Jython on x64
    * [RVM-1124] - IR for Magic generated by the optimizing compiler can be non-canonical
    * [RVM-1127] - bootloader build fails under OSX
    * [RVM-1128] - User Guide - Quick Start Guide needs updating

** Task
    * [RVM-888] - Process MMTk patch subbmitted via SF tracker
    * [RVM-1107] - Remove support for AIX from the code base
    * [RVM-1111] - Remove support for Mac OS on PowerPC
    * [RVM-1130] - Add -X:verboseSignalHandling command line option to mimic behaviour of -X:verbose before the bootloader changes

** Sub-task
    * [RVM-126] - Implement VM interfaces of the simplest beans (Runtime, ClassLoading, Compilation)
    * [RVM-750] - Implement Thread.setPriority
    * [RVM-1043] - Apply compatibility changes from MRP and Da Feng in preparation for x64 support
    * [RVM-1104] - Enable WhitespaceAround Checkstyle check and fix revealed failures

** Test
    * [RVM-1041] - Unit test for org.jikesrvm.compilers.opt.bc2ir.GenerationContext
    * [RVM-1072] - Unit test for org.jikesrvm.compilers.opt.bc2ir.OperandStack
    * [RVM-1077] - Unit test for org.jikesrvm.compilers.opt.regalloc.ScratchMap
    * [RVM-1098] - Add test that uses the benchmarking suite from the Scala Benchmarking Project

------------------------------------------------------------------------------
Site24x7 APM Insight: Get Deep Visibility into Application Performance
APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month
Monitor end-to-end web transactions and take corrective actions now
Troubleshoot faster and improve end-user experience. Signup Now!
http://pubads.g.doubleclick.net/gampad/clk?id=272487151&iu=/4140