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Mention u40 merge in changelog
author Gilles Duboscq <gilles.m.duboscq@oracle.com>
date Mon, 20 Apr 2015 14:40:48 +0200
parents 12e94cba3696
children 271eee87201c
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1 # GraalVM Changelog
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3 This changelog summarizes major changes between Graal versions relevant to languages implementors building upon the Truffle framework and developers building technology on top of Graal. The main focus is on APIs exported by Graal and Truffle.
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6 ## `tip`
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7 ### Graal
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8 * Merged with jdk8u40-b25.
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9 * Add utilities ModifiersProvider#isConcrete, ResolvedJavaMethod#hasBytecodes, ResolvedJavaMethod#hasReceiver to Graal API.
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10 * Add `GraalDirectives` API, containing methods to influence compiler behavior for unittests and microbenchmarks.
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11 * Introduce `LIRSuites`, an extensible configuration for the low-level compiler pipeline.
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12 * The Graal class loader now loads all lib/graal/graal*.jar jars.
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13 * ...
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14
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15 ### Truffle
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16 * Added Node#deepCopy as primary method to copy ASTs.
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17 * Disable inlining across Truffle boundary by default. New option TruffleInlineAcrossTruffleBoundary default false.
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18 * Node.replace(Node) now guards against non-assignable replacement, and Node.isReplacementSafe(Node) checks in advance.
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19 * Instrumentation: AST "probing" is now safe and implemented by Node.probe(); language implementors need only implement Node.isInstrumentable() and Node.createWrapperNode().
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20 * Instrumentation: A new framework defines a category of simple "instrumentation tools" that can be created, configured, and installed, after which they autonomously collect execution data of some kind.
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21 * Instrumentation: A new example "instrumentation tool" is a language-agnostic collector of code coverage information (CoverageTracker); there are two other examples.
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22 * Removed unsafe compiler directives; use `sun.misc.Unsafe` instead.
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23 * Removed `Node#onAdopt()`.
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25 ### Truffle-DSL
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26 * Implemented a new generated code layout that reduces the code size.
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27 * Changed all methods enclosed in a @TypeSystem must now be static.
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28 * Changed all methods enclosed in generated type system classes are now static.
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29 * Deprecated the type system constant used in the generated type system classes.
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30 * Changed NodeFactory implementations are no longer generated by default. Use {Node}Gen#create instead of {Node}Factory#create to create new instances of nodes.
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31 * Added @GenerateNodeFactory to generate NodeFactory implementations for this node and its subclasses.
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32 * Deprecated @NodeAssumptions for removal in the next release.
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33 * Deprecated experimental @Implies for removal in the next release.
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34 * Added new package c.o.t.api.dsl.examples to the c.o.t.api.dsl project containing documented and debug-able Truffle-DSL use cases.
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35 * Changed "typed execute methods" are no longer required for use as specialization return type or parameter. It is now sufficient to declare them in the @TypeSystem.
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36 * Added @Cached annotation to express specialization local state.
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37 * Added Specialization#limit to declare a limit expression for the maximum number of specialization instantiations.
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38 * Changed syntax and semantics of Specialization#assumptions and Specialization#guards. They now use a Java like expression syntax.
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39 * Changed guard expressions that do not bind any dynamic parameter are invoked just once per specialization instantiation. They are now asserted to be true on the fast path.
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40 * Renamed @ImportGuards to @ImportStatic.
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41 * Changed declaring a @TypeSystemReference for a node that contains specializations is not mandatory anymore.
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42 * Changed types used in specializations are not restricted on types declared in the type system anymore.
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43 * Changed nodes that declare all execute methods with the same number of evaluated arguments as specialization arguments do not require @NodeChild annotations anymore.
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44 * Changed types used in checks and casts are not mandatory to be declared in the type system.
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46 ## Version 0.6
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47 19-Dec-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.6)
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48 ### Graal
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49 * Merged with jdk8u25-b17.
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50 * Added `com.oracle.graal.api.meta.Remote` interface for future support of remote and replay compilation.
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51 * Changed name suite specification from `mx/projects.py` to `mx/suite.py`.
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52 * Changed semantics (and signature) of `ResolvedJavaType#resolveMethod()` (old behavior available via `resolveConcreteMethod()`).
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53 * Moved `ResolvedJavaField#read[Constant]Value` and `getMethodHandleAccess()` to `ConstantReflectionProvider`.
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54
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55 ### Truffle
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56 * Instrumentation: add Instrumentable API for language implementors, with most details automated (see package `com.oracle.truffle.api.instrument`).
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57 * The BranchProfile constructor is now private. Use BranchProfile#create() instead.
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58 * Renamed @CompilerDirectives.SlowPath to @CompilerDirectives.TruffleBoundary
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59 * Renamed RootNode#isSplittable to RootNode#isCloningAllowed
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60 * Removed RootNode#split. Cloning ASTs for splitting is now an implementation detail of the Truffle runtime implementation.
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61 * Renamed DirectCallNode#isSplittable to DirectCallNode#isCallTargetCloningAllowed
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62 * Renamed DirectCallNode#split to DirectCallNode#cloneCallTarget
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63 * Renamed DirectCallNode#isSplit to DirectCallNode#isCallTargetCloned
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64 * Added PrimitiveValueProfile.
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65 * Added -G:TruffleTimeThreshold=5000 option to defer compilation for call targets
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66 * Added RootNode#getExecutionContext to identify nodes with languages
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67 * Removed `FrameTypeConversion` interface and changed the corresponding `FrameDescriptor` constructor to have a default value parameter instead.
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68 * Removed `CompilerDirectives.unsafeFrameCast` (equivalent to a `(MaterializedFrame)` cast).
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69 * Added `TruffleRuntime#getCapability` API method.
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70 * Added `NodeInterface` and allowed child field to be declared with interfaces that extend it.
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71 * Added `CompilerOptions` and allowed it to be set for `ExecutionContext` and `RootNode`.
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72 * Added experimental object API (see new project `com.oracle.truffle.api.object`).
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74 ## Version 0.5
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75 23-Sep-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.5)
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76 ### Graal
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77 * New register allocator optimization: `-G:+ConstantLoadOptimization`.
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78 * SPARC backend is able to run benchmark and passing most of the JTTs.
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79 * Fix: Stamp: interface types can not be trusted except after explicit runtime checks.
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80 * Changed format of suite specification from a properties file (`mx/projects`) to a Python file (`mx/projects.py`).
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81
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83 ### Truffle
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84 * Added `TruffleRuntime#getCallTargets()` to get all call targets that were created and are still referenced.
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85 * Added `NeverValidAssumption` to complement `AlwaysValidAssumption`.
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86 * Fixed a bug in `AssumedValue` that may not invalidate correctly.
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87 * New option, `-G:+/-TruffleCompilationExceptionsAreThrown`, that will throw an `OptimizationFailedException` for compiler errors.
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89 ## Version 0.4
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90 19-Aug-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.4)
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91 ### Graal
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92 * Made initialization of Graal runtime lazy in hosted mode.
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93 * Added supported for new `jrelibrary` dependency type in `mx/projects`.
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94 * Java projects with compliance level higher than the JDKs specified by `JAVA_HOME` and `EXTRA_JAVA_HOMES` are ignored once `mx/projects` has been processed.
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95 * `ResolvedJavaType.resolveMethod` now takes a context type used to perform access checks. It now works correctly regarding default methods.
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96 * Removed Java based compilation queue (`CompilationQueue.java`).
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97 * Enabled use of separate class loader (via `-XX:+UseGraalClassLoader`) for classes loaded from `graal.jar` to hide them from application classes.
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98
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99 ### Truffle
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100 * Change API for stack walking to a visitor: `TruffleRuntime#iterateFrames` replaces `TruffleRuntime#getStackTrace`
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101 * New flag `-G:+TraceTruffleCompilationCallTree` to print the tree of inlined calls before compilation.
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102 * `truffle.jar`: strip out build-time only dependency into a seperated JAR file (`truffle-dsl-processor.jar`)
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103 * New flag `-G:+TraceTruffleCompilationAST` to print the AST before compilation.
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104 * New experimental `TypedObject` interface added.
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105 * Renamed flag `-G:+TruffleSplittingEnabled` to `-G:+TruffleSplitting`
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106 * New flag `-G:+TruffleSplittingNew` to enable the experimental splitting mode based on function arguments.
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107 * New flag `-G:+TruffleSplittingTypedInstanceStamps` to enable splitting for `TypedObject` instances.
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108 * New flag `-G:+TruffleSplittingClassInstanceStamps` to enable splitting for Java object instances except `TypedObject`.
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109 * New flag `-G:TruffleSplittingStartCallCount=3` which sets the number of minimal calls until splitting is performed.
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Bernhard Urban <bernhard.urban@jku.at>
parents: 16852
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110 * New flag `-G:-TruffleSplittingAggressive` if enabled splits every function call.
7d4f630172a1 changelog: graal-0.4
Bernhard Urban <bernhard.urban@jku.at>
parents: 16852
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111 * Added `isVisited` method for `BranchProfile`.
7d4f630172a1 changelog: graal-0.4
Bernhard Urban <bernhard.urban@jku.at>
parents: 16852
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112 * Added new `ConditionProfile`, `BinaryConditionProfile` and `CountingConditionProfile` utility classes to profile if conditions.
15567
10732e1421ee changelog: graal-0.3
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15566
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113
10732e1421ee changelog: graal-0.3
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15566
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114 ## Version 0.3
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115 9-May-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.3)
15567
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15566
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116
10732e1421ee changelog: graal-0.3
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15566
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117 ### Graal
14945
b14cb2d9253d Make compression and uncompression explicit in the high level graph.
Roland Schatz <roland.schatz@oracle.com>
parents: 14887
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118 * Explicit support for oop compression/uncompression in high level graph.
14887
45045ab19008 Add LIRGenerator refactoring to CHANGELOG.
Josef Eisl <josef.eisl@jku.at>
parents: 14761
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119 * LIRGenerator refactoring.
15010
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Lukas Stadler <lukas.stadler@oracle.com>
parents: 14945
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120 * Explicit types for inputs (InputType enum).
15020
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Doug Simon <doug.simon@oracle.com>
parents: 15013
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121 * Added graal.version system property to Graal enabled VM builds.
22390f39dfb1 moved some entries in CHANGELOG.md from 0.2 to tip
Doug Simon <doug.simon@oracle.com>
parents: 15013
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122 * Transitioned to JDK 8 as minimum JDK level for Graal.
15175
78f1a1a70628 Adapt CHANGELOG to reflect new signature of CallTarget#call.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15093
diff changeset
123 * Added support for stack introspection.
15370
319deee16746 add support for matching multiple HIR nodes when lowering to LIR
Tom Rodriguez <tom.rodriguez@oracle.com>
parents: 15175
diff changeset
124 * New MatchRule facility to convert multiple HIR nodes into specialized LIR
14887
45045ab19008 Add LIRGenerator refactoring to CHANGELOG.
Josef Eisl <josef.eisl@jku.at>
parents: 14761
diff changeset
125
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14707
diff changeset
126 ### Truffle
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Andreas Woess <andreas.woess@jku.at>
parents: 15370
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127 * The method `CallTarget#call` takes now a variable number of Object arguments.
15566
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15474
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128 * Support for collecting stack traces and for accessing the current frame in slow paths (see `TruffleRuntime#getStackTrace`).
15474
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Andreas Woess <andreas.woess@jku.at>
parents: 15370
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129 * Renamed `CallNode` to `DirectCallNode`.
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Andreas Woess <andreas.woess@jku.at>
parents: 15370
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130 * Renamed `TruffleRuntime#createCallNode` to `TruffleRuntime#createDirectCallNode`.
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Andreas Woess <andreas.woess@jku.at>
parents: 15370
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131 * Added `IndirectCallNode` for calls with a changing `CallTarget`.
dd624471bd30 Truffle: remove deprecated Node#adoptChild, Node#adoptChildren.
Andreas Woess <andreas.woess@jku.at>
parents: 15370
diff changeset
132 * Added `TruffleRuntime#createIndirectCallNode` to create an `IndirectCallNode`.
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Andreas Woess <andreas.woess@jku.at>
parents: 15370
diff changeset
133 * `DirectCallNode#inline` was renamed to `DirectCallNode#forceInlining()`.
dd624471bd30 Truffle: remove deprecated Node#adoptChild, Node#adoptChildren.
Andreas Woess <andreas.woess@jku.at>
parents: 15370
diff changeset
134 * Removed deprecated `Node#adoptChild`.
14748
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14707
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135
483d05bf77a7 changelog: graal-0.2
Bernhard Urban <bernhard.urban@jku.at>
parents: 14707
diff changeset
136 ## Version 0.2
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137 25-Mar-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.2)
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14707
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138
483d05bf77a7 changelog: graal-0.2
Bernhard Urban <bernhard.urban@jku.at>
parents: 14707
diff changeset
139 ### Graal
14647
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Doug Simon <doug.simon@oracle.com>
parents: 14640
diff changeset
140 * Use HotSpot stubs for certain array copy operations.
14640
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
141 * New methods for querying memory usage of individual objects and object graphs in Graal API (`MetaAccessProvider#getMemorySize`, `MetaUtil#getMemorySizeRecursive`).
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
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142 * Added tiered configuration (C1 + Graal).
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
143 * Initial security model for Graal [GRAAL-22](https://bugs.openjdk.java.net/browse/GRAAL-22).
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
144 * New (tested) invariant that equality comparisons for `JavaType`/`JavaMethod`/`JavaField` values use `.equals()` instead of `==`.
14172
cd22c8dbda4f Made graph caching compilation local
Doug Simon <doug.simon@oracle.com>
parents: 13966
diff changeset
145 * Made graph caching compilation-local.
14647
8f483e200405 updated CHANGELOG.md
Doug Simon <doug.simon@oracle.com>
parents: 14640
diff changeset
146 * Added AllocSpy tool for analyzing allocation in Graal using the [Java Allocation Instrumenter](https://code.google.com/p/java-allocation-instrumenter/).
15013
deea05f9c316 updated CHANGELOG.md
Doug Simon <doug.simon@oracle.com>
parents: 15010
diff changeset
147 * Initial support for memory arithmetic operations on x86.
15020
22390f39dfb1 moved some entries in CHANGELOG.md from 0.2 to tip
Doug Simon <doug.simon@oracle.com>
parents: 15013
diff changeset
148 * Expanded Debug logging/dumping API to avoid allocation when this Debug facilities are not enabled.
13962
258a09b6449b Change AUTHORS, CHANGELOG, and README file from HTML to Markdown.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
149
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parents: 13879
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150 ### Truffle
14640
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parents: 14630
diff changeset
151 * New API `TruffleRuntime#createCallNode` to create call nodes and to give the runtime system control over its implementation.
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
152 * New API `RootNode#getCachedCallNodes` to get a weak set of `CallNode`s that have registered to call the `RootNode`.
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
153 * New API to split the AST of a call-site context sensitively. `CallNode#split`, `CallNode#isSplittable`, `CallNode#getSplitCallTarget`, `CallNode#getCurrentCallTarget`, `RootNode#isSplittable`, `RootNode#split`.
0111aa258537 changelog: use code syntax, add some points to graal section
Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
154 * New API to inline a call-site into the call-graph. `CallNode#isInlinable`, `CallNode#inline`, `CallNode#isInlined`.
0111aa258537 changelog: use code syntax, add some points to graal section
Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
155 * New API for the runtime environment to register `CallTarget`s as caller to the `RootNode`. `CallNode#registerCallTarget`.
0111aa258537 changelog: use code syntax, add some points to graal section
Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
156 * Improved API for counting nodes in Truffle ASTs. `NodeUtil#countNodes` can be used with a `NodeFilter`.
0111aa258537 changelog: use code syntax, add some points to graal section
Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
157 * New API to declare the cost of a Node for use in runtime environment specific heuristics. See `NodeCost`, `Node#getCost` and `NodeInfo#cost`.
0111aa258537 changelog: use code syntax, add some points to graal section
Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
158 * Removed old API for `NodeInfo#Kind` and `NodeInfo#kind`. As a replacement the new `NodeCost` API can be used.
0111aa258537 changelog: use code syntax, add some points to graal section
Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
159 * Changed `Node#replace` reason parameter type to `CharSequence` (to enable lazy string building)
15474
dd624471bd30 Truffle: remove deprecated Node#adoptChild, Node#adoptChildren.
Andreas Woess <andreas.woess@jku.at>
parents: 15370
diff changeset
160 * Deprecated `Node#adoptChild` and `Node#adoptChildren`, no longer needed in node constructor
14640
0111aa258537 changelog: use code syntax, add some points to graal section
Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
161 * New `Node#insert` method for inserting new nodes into the tree (formerly `adoptChild`)
0111aa258537 changelog: use code syntax, add some points to graal section
Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
162 * New `Node#adoptChildren` helper method that adopts all (direct and indirect) children of a node
0111aa258537 changelog: use code syntax, add some points to graal section
Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
163 * New API `Node#atomic` for atomic tree operations
0111aa258537 changelog: use code syntax, add some points to graal section
Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
164 * Made `Node#replace` thread-safe
14568
2e90d9a9a677 Truffle: Added API changes to the changelog.
Christian Humer <christian.humer@gmail.com>
parents: 14172
diff changeset
165
13879
b124e22eb772 Initial changelog.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
166
13920
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Bernhard Urban <bernhard.urban@jku.at>
parents: 13879
diff changeset
167 ## Version 0.1
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parents: 17080
diff changeset
168 5-Feb-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.1)
13965
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 13962 13920
diff changeset
169
13920
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Bernhard Urban <bernhard.urban@jku.at>
parents: 13879
diff changeset
170 ### Graal
848b50624671 changelog: switch to markdown syntax
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parents: 13879
diff changeset
171
848b50624671 changelog: switch to markdown syntax
Bernhard Urban <bernhard.urban@jku.at>
parents: 13879
diff changeset
172 * Initial version of a dynamic Java compiler written in Java.
848b50624671 changelog: switch to markdown syntax
Bernhard Urban <bernhard.urban@jku.at>
parents: 13879
diff changeset
173 * Support for multiple co-existing GPU backends ([GRAAL-1](https://bugs.openjdk.java.net/browse/GRAAL-1)).
848b50624671 changelog: switch to markdown syntax
Bernhard Urban <bernhard.urban@jku.at>
parents: 13879
diff changeset
174 * Fixed a compiler bug when running RuneScape ([GRAAL-7](https://bugs.openjdk.java.net/browse/GRAAL-7)).
848b50624671 changelog: switch to markdown syntax
Bernhard Urban <bernhard.urban@jku.at>
parents: 13879
diff changeset
175 * Bug fixes ([GRAAL-4](https://bugs.openjdk.java.net/browse/GRAAL-4), [GRAAL-5](https://bugs.openjdk.java.net/browse/GRAAL-5)).
848b50624671 changelog: switch to markdown syntax
Bernhard Urban <bernhard.urban@jku.at>
parents: 13879
diff changeset
176
848b50624671 changelog: switch to markdown syntax
Bernhard Urban <bernhard.urban@jku.at>
parents: 13879
diff changeset
177 ### Truffle
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Bernhard Urban <bernhard.urban@jku.at>
parents: 13879
diff changeset
178
848b50624671 changelog: switch to markdown syntax
Bernhard Urban <bernhard.urban@jku.at>
parents: 13879
diff changeset
179 * Initial version of a multi-language framework on top of Graal.
848b50624671 changelog: switch to markdown syntax
Bernhard Urban <bernhard.urban@jku.at>
parents: 13879
diff changeset
180 * Update of the [Truffle Inlining API](http://mail.openjdk.java.net/pipermail/graal-dev/2014-January/001516.html).