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exclude JAVA_ALLOCATION_INSTRUMENTER from GRAAL_TEST due to license conflict
author Doug Simon <doug.simon@oracle.com>
date Mon, 28 Sep 2015 15:08:41 +0200
parents a05f318a4a08
children 27a5f571b013
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1 # GraalVM Changelog
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2
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3 This changelog summarizes major changes between Graal versions relevant to developers building technology on top of Graal. The main focus is on APIs exported by Graal.
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4
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5 ## `tip`
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6 ...
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7
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8 ## Version 0.8
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9 15-Jul-2015, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.8)
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10 ### Graal
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11 * Add support for constructing low-level IR in SSA form (default behavior).
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12 * Add support for SSA linear scan register allocation (default behavior).
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13 * Remove dummy parameter `includeAbstract` from `ResolvedJavaType#resolveMethod()`; The behavior is now the `includeAbstract==true` case. The `includeAbstract==false` variant is available via `resolveConcreteMethod()`.
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14 * HotSpot modifications have been renamed to JVMCI in preparation for [JEP 243](http://openjdk.java.net/jeps/243). As a result HotSpot options containing "Graal" have been changed to "JVMCI" (e.g., -XX:+BootstrapJVMCI).
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15 * All the APIs used to interface with the VM (`api.meta`, `api.code` etc.) have been moved to `jdk.internal.jvmci` packages (e.g., `jdk.internal.jvmci.meta`).
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16 * Fast JVMCI services do not need to implement an interface anymore, implementations simply need to be annotated with `jdk.internal.jvmci.service.ServiceProvider`.
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17
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18 ### Truffle
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19 * Moved Truffle to it own [repository](http://lafo.ssw.uni-linz.ac.at/hg/truffle/)
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21 ## Version 0.7
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22 29-Apr-2015, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.7)
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23 ### Graal
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24 * By default the Graal code is now only compiled by C1 which should improve application start-up.
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25 * Merged with jdk8u40-b25.
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26 * The Graal class loader now loads all lib/graal/graal*.jar jars.
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27 * Fast Graal services (see com.oracle.graal.api.runtime.Service) are now looked up using service files in lib/graal/services.
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28 * Add utilities ModifiersProvider#isConcrete, ResolvedJavaMethod#hasBytecodes, ResolvedJavaMethod#hasReceiver to Graal API.
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29 * Add `GraalDirectives` API, containing methods to influence compiler behavior for unittests and microbenchmarks.
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30 * Introduce `LIRSuites`, an extensible configuration for the low-level compiler pipeline.
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31
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32 ### Truffle
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33 * New, faster partial evaluation (no more TruffleCache).
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34 * If a method is annotated with @ExplodeLoop and contains a loop that can not be exploded, partial evaluation will fail.
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35 * Truffle background compilation is now multi-threaded.
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36 * Experimental merge=true flag for @ExplodeLoop allows building bytecode-based interpreters (see BytecodeInterpreterPartialEvaluationTest).
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37 * Added Node#deepCopy as primary method to copy ASTs.
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38 * Disable inlining across Truffle boundary by default. New option TruffleInlineAcrossTruffleBoundary default false.
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39 * Node.replace(Node) now guards against non-assignable replacement, and Node.isReplacementSafe(Node) checks in advance.
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40 * 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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41 * 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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42 * 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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43 * Removed unsafe compiler directives; use `sun.misc.Unsafe` instead.
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44 * Removed `Node#onAdopt()`.
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46 ### Truffle-DSL
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47 * Implemented a new generated code layout that reduces the code size.
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48 * Changed all methods enclosed in a @TypeSystem must now be static.
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49 * Changed all methods enclosed in generated type system classes are now static.
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50 * Deprecated the type system constant used in the generated type system classes.
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51 * 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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52 * Added @GenerateNodeFactory to generate NodeFactory implementations for this node and its subclasses.
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53 * Deprecated @NodeAssumptions for removal in the next release.
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54 * Deprecated experimental @Implies for removal in the next release.
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55 * 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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56 * 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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57 * Added @Cached annotation to express specialization local state.
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58 * Added Specialization#limit to declare a limit expression for the maximum number of specialization instantiations.
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59 * Changed syntax and semantics of Specialization#assumptions and Specialization#guards. They now use a Java like expression syntax.
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60 * 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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61 * Renamed @ImportGuards to @ImportStatic.
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62 * Changed declaring a @TypeSystemReference for a node that contains specializations is not mandatory anymore.
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63 * Changed types used in specializations are not restricted on types declared in the type system anymore.
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64 * 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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65 * Changed types used in checks and casts are not mandatory to be declared in the type system.
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66
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67 ## Version 0.6
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68 19-Dec-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.6)
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69 ### Graal
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70 * Merged with jdk8u25-b17.
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71 * Added `com.oracle.graal.api.meta.Remote` interface for future support of remote and replay compilation.
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72 * Changed name suite specification from `mx/projects.py` to `mx/suite.py`.
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73 * Changed semantics (and signature) of `ResolvedJavaType#resolveMethod()` (old behavior available via `resolveConcreteMethod()`).
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74 * Moved `ResolvedJavaField#read[Constant]Value` and `getMethodHandleAccess()` to `ConstantReflectionProvider`.
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76 ### Truffle
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77 * Instrumentation: add Instrumentable API for language implementors, with most details automated (see package `com.oracle.truffle.api.instrument`).
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78 * The BranchProfile constructor is now private. Use BranchProfile#create() instead.
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79 * Renamed @CompilerDirectives.SlowPath to @CompilerDirectives.TruffleBoundary
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80 * Renamed RootNode#isSplittable to RootNode#isCloningAllowed
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81 * Removed RootNode#split. Cloning ASTs for splitting is now an implementation detail of the Truffle runtime implementation.
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82 * Renamed DirectCallNode#isSplittable to DirectCallNode#isCallTargetCloningAllowed
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83 * Renamed DirectCallNode#split to DirectCallNode#cloneCallTarget
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84 * Renamed DirectCallNode#isSplit to DirectCallNode#isCallTargetCloned
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85 * Added PrimitiveValueProfile.
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86 * Added -G:TruffleTimeThreshold=5000 option to defer compilation for call targets
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87 * Added RootNode#getExecutionContext to identify nodes with languages
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88 * Removed `FrameTypeConversion` interface and changed the corresponding `FrameDescriptor` constructor to have a default value parameter instead.
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89 * Removed `CompilerDirectives.unsafeFrameCast` (equivalent to a `(MaterializedFrame)` cast).
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90 * Added `TruffleRuntime#getCapability` API method.
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91 * Added `NodeInterface` and allowed child field to be declared with interfaces that extend it.
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92 * Added `CompilerOptions` and allowed it to be set for `ExecutionContext` and `RootNode`.
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93 * Added experimental object API (see new project `com.oracle.truffle.api.object`).
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94
ae5b66255083 changelog: graal-0.5
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95 ## Version 0.5
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96 23-Sep-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.5)
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97 ### Graal
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98 * New register allocator optimization: `-G:+ConstantLoadOptimization`.
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99 * SPARC backend is able to run benchmark and passing most of the JTTs.
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100 * Fix: Stamp: interface types can not be trusted except after explicit runtime checks.
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101 * Changed format of suite specification from a properties file (`mx/projects`) to a Python file (`mx/projects.py`).
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102
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104 ### Truffle
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105 * Added `TruffleRuntime#getCallTargets()` to get all call targets that were created and are still referenced.
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106 * Added `NeverValidAssumption` to complement `AlwaysValidAssumption`.
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107 * Fixed a bug in `AssumedValue` that may not invalidate correctly.
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108 * New option, `-G:+/-TruffleCompilationExceptionsAreThrown`, that will throw an `OptimizationFailedException` for compiler errors.
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109
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110 ## Version 0.4
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111 19-Aug-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.4)
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112 ### Graal
15603
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Doug Simon <doug.simon@oracle.com>
parents: 15569
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113 * Made initialization of Graal runtime lazy in hosted mode.
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114 * Added supported for new `jrelibrary` dependency type in `mx/projects`.
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parents: 16852
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115 * 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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116 * `ResolvedJavaType.resolveMethod` now takes a context type used to perform access checks. It now works correctly regarding default methods.
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117 * Removed Java based compilation queue (`CompilationQueue.java`).
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parents: 16852
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118 * 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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119
10732e1421ee changelog: graal-0.3
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parents: 15566
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120 ### Truffle
16529
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Christian Wimmer <christian.wimmer@oracle.com>
parents: 16410
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121 * Change API for stack walking to a visitor: `TruffleRuntime#iterateFrames` replaces `TruffleRuntime#getStackTrace`
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122 * New flag `-G:+TraceTruffleCompilationCallTree` to print the tree of inlined calls before compilation.
15600
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parents: 15569
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123 * `truffle.jar`: strip out build-time only dependency into a seperated JAR file (`truffle-dsl-processor.jar`)
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parents: 16852
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124 * New flag `-G:+TraceTruffleCompilationAST` to print the AST before compilation.
7d4f630172a1 changelog: graal-0.4
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parents: 16852
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125 * New experimental `TypedObject` interface added.
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parents: 16852
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126 * Renamed flag `-G:+TruffleSplittingEnabled` to `-G:+TruffleSplitting`
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parents: 16852
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127 * New flag `-G:+TruffleSplittingNew` to enable the experimental splitting mode based on function arguments.
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parents: 16852
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128 * New flag `-G:+TruffleSplittingTypedInstanceStamps` to enable splitting for `TypedObject` instances.
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parents: 16852
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129 * New flag `-G:+TruffleSplittingClassInstanceStamps` to enable splitting for Java object instances except `TypedObject`.
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parents: 16852
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130 * New flag `-G:TruffleSplittingStartCallCount=3` which sets the number of minimal calls until splitting is performed.
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parents: 16852
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131 * New flag `-G:-TruffleSplittingAggressive` if enabled splits every function call.
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parents: 16852
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132 * Added `isVisited` method for `BranchProfile`.
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parents: 16852
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133 * Added new `ConditionProfile`, `BinaryConditionProfile` and `CountingConditionProfile` utility classes to profile if conditions.
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134
10732e1421ee changelog: graal-0.3
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135 ## Version 0.3
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136 9-May-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.3)
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137
10732e1421ee changelog: graal-0.3
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parents: 15566
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138 ### 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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139 * 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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140 * LIRGenerator refactoring.
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Lukas Stadler <lukas.stadler@oracle.com>
parents: 14945
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141 * Explicit types for inputs (InputType enum).
15020
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Doug Simon <doug.simon@oracle.com>
parents: 15013
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142 * Added graal.version system property to Graal enabled VM builds.
22390f39dfb1 moved some entries in CHANGELOG.md from 0.2 to tip
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parents: 15013
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143 * Transitioned to JDK 8 as minimum JDK level for Graal.
15175
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Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents: 15093
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144 * 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
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145 * 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
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146
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parents: 14707
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147 ### Truffle
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Andreas Woess <andreas.woess@jku.at>
parents: 15370
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148 * The method `CallTarget#call` takes now a variable number of Object arguments.
15566
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parents: 15474
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149 * Support for collecting stack traces and for accessing the current frame in slow paths (see `TruffleRuntime#getStackTrace`).
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parents: 15370
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150 * Renamed `CallNode` to `DirectCallNode`.
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Andreas Woess <andreas.woess@jku.at>
parents: 15370
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151 * Renamed `TruffleRuntime#createCallNode` to `TruffleRuntime#createDirectCallNode`.
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Andreas Woess <andreas.woess@jku.at>
parents: 15370
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152 * Added `IndirectCallNode` for calls with a changing `CallTarget`.
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Andreas Woess <andreas.woess@jku.at>
parents: 15370
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153 * Added `TruffleRuntime#createIndirectCallNode` to create an `IndirectCallNode`.
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Andreas Woess <andreas.woess@jku.at>
parents: 15370
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154 * `DirectCallNode#inline` was renamed to `DirectCallNode#forceInlining()`.
dd624471bd30 Truffle: remove deprecated Node#adoptChild, Node#adoptChildren.
Andreas Woess <andreas.woess@jku.at>
parents: 15370
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155 * Removed deprecated `Node#adoptChild`.
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parents: 14707
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156
483d05bf77a7 changelog: graal-0.2
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parents: 14707
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157 ## Version 0.2
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158 25-Mar-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.2)
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159
483d05bf77a7 changelog: graal-0.2
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parents: 14707
diff changeset
160 ### Graal
14647
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parents: 14640
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161 * Use HotSpot stubs for certain array copy operations.
14640
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parents: 14630
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162 * New methods for querying memory usage of individual objects and object graphs in Graal API (`MetaAccessProvider#getMemorySize`, `MetaUtil#getMemorySizeRecursive`).
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163 * Added tiered configuration (C1 + Graal).
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parents: 14630
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164 * Initial security model for Graal [GRAAL-22](https://bugs.openjdk.java.net/browse/GRAAL-22).
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165 * New (tested) invariant that equality comparisons for `JavaType`/`JavaMethod`/`JavaField` values use `.equals()` instead of `==`.
14172
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Doug Simon <doug.simon@oracle.com>
parents: 13966
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166 * Made graph caching compilation-local.
14647
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Doug Simon <doug.simon@oracle.com>
parents: 14640
diff changeset
167 * Added AllocSpy tool for analyzing allocation in Graal using the [Java Allocation Instrumenter](https://code.google.com/p/java-allocation-instrumenter/).
15013
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Doug Simon <doug.simon@oracle.com>
parents: 15010
diff changeset
168 * Initial support for memory arithmetic operations on x86.
15020
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Doug Simon <doug.simon@oracle.com>
parents: 15013
diff changeset
169 * 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:
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170
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171 ### Truffle
14640
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parents: 14630
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172 * New API `TruffleRuntime#createCallNode` to create call nodes and to give the runtime system control over its implementation.
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173 * New API `RootNode#getCachedCallNodes` to get a weak set of `CallNode`s that have registered to call the `RootNode`.
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parents: 14630
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174 * New API to split the AST of a call-site context sensitively. `CallNode#split`, `CallNode#isSplittable`, `CallNode#getSplitCallTarget`, `CallNode#getCurrentCallTarget`, `RootNode#isSplittable`, `RootNode#split`.
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parents: 14630
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175 * New API to inline a call-site into the call-graph. `CallNode#isInlinable`, `CallNode#inline`, `CallNode#isInlined`.
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
176 * New API for the runtime environment to register `CallTarget`s as caller to the `RootNode`. `CallNode#registerCallTarget`.
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
177 * Improved API for counting nodes in Truffle ASTs. `NodeUtil#countNodes` can be used with a `NodeFilter`.
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
178 * New API to declare the cost of a Node for use in runtime environment specific heuristics. See `NodeCost`, `Node#getCost` and `NodeInfo#cost`.
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
179 * Removed old API for `NodeInfo#Kind` and `NodeInfo#kind`. As a replacement the new `NodeCost` API can be used.
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
180 * Changed `Node#replace` reason parameter type to `CharSequence` (to enable lazy string building)
15474
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Andreas Woess <andreas.woess@jku.at>
parents: 15370
diff changeset
181 * Deprecated `Node#adoptChild` and `Node#adoptChildren`, no longer needed in node constructor
14640
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parents: 14630
diff changeset
182 * New `Node#insert` method for inserting new nodes into the tree (formerly `adoptChild`)
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Bernhard Urban <bernhard.urban@jku.at>
parents: 14630
diff changeset
183 * 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
184 * 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
185 * Made `Node#replace` thread-safe
14568
2e90d9a9a677 Truffle: Added API changes to the changelog.
Christian Humer <christian.humer@gmail.com>
parents: 14172
diff changeset
186
13879
b124e22eb772 Initial changelog.
Thomas Wuerthinger <thomas.wuerthinger@oracle.com>
parents:
diff changeset
187
13920
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188 ## Version 0.1
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189 5-Feb-2014, [Repository Revision](http://hg.openjdk.java.net/graal/graal/shortlog/graal-0.1)
13965
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parents: 13962 13920
diff changeset
190
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191 ### Graal
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192
848b50624671 changelog: switch to markdown syntax
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parents: 13879
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193 * Initial version of a dynamic Java compiler written in Java.
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parents: 13879
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194 * Support for multiple co-existing GPU backends ([GRAAL-1](https://bugs.openjdk.java.net/browse/GRAAL-1)).
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195 * Fixed a compiler bug when running RuneScape ([GRAAL-7](https://bugs.openjdk.java.net/browse/GRAAL-7)).
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196 * Bug fixes ([GRAAL-4](https://bugs.openjdk.java.net/browse/GRAAL-4), [GRAAL-5](https://bugs.openjdk.java.net/browse/GRAAL-5)).
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197
848b50624671 changelog: switch to markdown syntax
Bernhard Urban <bernhard.urban@jku.at>
parents: 13879
diff changeset
198 ### Truffle
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199
848b50624671 changelog: switch to markdown syntax
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parents: 13879
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200 * Initial version of a multi-language framework on top of Graal.
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Bernhard Urban <bernhard.urban@jku.at>
parents: 13879
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201 * Update of the [Truffle Inlining API](http://mail.openjdk.java.net/pipermail/graal-dev/2014-January/001516.html).