[Vm-dev] VM Maker: VMMaker.oscog-cb.2351.mcz

commits at source.squeak.org commits at source.squeak.org
Thu Mar 8 15:10:06 UTC 2018


ClementBera uploaded a new version of VMMaker to project VM Maker:
http://source.squeak.org/VMMaker/VMMaker.oscog-cb.2351.mcz

==================== Summary ====================

Name: VMMaker.oscog-cb.2351
Author: cb
Time: 8 March 2018, 4:09:55.267604 pm
UUID: 35506f97-fa9a-42db-bcb3-2c263d37afa1
Ancestors: VMMaker.oscog-cb.2350

Fogrot to merge back Eliot's change in the bytecode table with mine

=============== Diff against VMMaker.oscog-cb.2350 ===============

Item was changed:
  ----- Method: StackToRegisterMappingCogit class>>initializeBytecodeTableForSistaV1 (in category 'class initialization') -----
  initializeBytecodeTableForSistaV1
  	"StackToRegisterMappingCogit initializeBytecodeTableForSistaV1"
  
  	numPushNilsFunction := #sistaV1:Num:Push:Nils:.
  	pushNilSizeFunction := #sistaV1PushNilSize:numInitialNils:.
  	BytecodeSetHasDirectedSuperSend := true.
  	FirstSpecialSelector := 96.
  	NumSpecialSelectors := 32.
  	self flag:
  'Special selector send class must be inlined to agree with the interpreter, which
   inlines class.  If class is sent to e.g. a general instance of ProtoObject then unless
   class is inlined there will be an MNU.  It must be that the Cointerpreter and Cogit
   have identical semantics.  We get away with not hardwiring the other special
   selectors either because in the Cointerpreter they are not inlined or because they
   are inlined only to instances of classes for which there will always be a method.'.
  	self generatorTableFrom: #(
  		"1 byte bytecodes"
  		"pushes"
  		(1    0   15 genPushReceiverVariableBytecode isInstVarRef		needsFrameNever: 1)
+ 		(1  16   31 genPushLiteralVariable16CasesBytecode			needsFrameNever: 1)
- 		(1  16   31 genPushLitVarDirSup16CasesBytecode				needsFrameNever: 1)
  		(1  32   63 genPushLiteralConstantBytecode					needsFrameNever: 1)
  		(1  64   75 genPushTemporaryVariableBytecode				needsFrameIfMod16GENumArgs: 1)
  		(1  76   76 genPushReceiverBytecode							needsFrameNever: 1)
  		(1  77   77 genPushConstantTrueBytecode						needsFrameNever: 1)
  		(1  78   78 genPushConstantFalseBytecode					needsFrameNever: 1)
  		(1  79   79 genPushConstantNilBytecode						needsFrameNever: 1)
  		(1  80   80 genPushConstantZeroBytecode						needsFrameNever: 1)
  		(1  81   81 genPushConstantOneBytecode						needsFrameNever: 1)
  		(1  82   82 genExtPushPseudoVariable)
  		(1  83   83 duplicateTopBytecode								needsFrameNever: 1)
  
  		(1  84   87 unknownBytecode)
  
  		"returns"
  		(1  88   88 genReturnReceiver				return needsFrameIfInBlock: isMappedInBlock 0)
  		(1  89   89 genReturnTrue					return needsFrameIfInBlock: isMappedInBlock 0)
  		(1  90   90 genReturnFalse					return needsFrameIfInBlock: isMappedInBlock 0)
  		(1  91   91 genReturnNil					return needsFrameIfInBlock: isMappedInBlock 0)
  		(1  92   92 genReturnTopFromMethod		return needsFrameIfInBlock: isMappedInBlock -1)
  		(1  93   93 genReturnNilFromBlock			return needsFrameNever: -1)
  		(1  94   94 genReturnTopFromBlock		return needsFrameNever: -1)
  		(1  95   95 genExtNopBytecode			needsFrameNever: 0)
  
  		"sends"
  		(1  96   96 genSpecialSelectorArithmetic isMapped AddRR)
  		(1  97   97 genSpecialSelectorArithmetic isMapped SubRR)
  		(1  98   98 genSpecialSelectorComparison isMapped JumpLess)
  		(1  99   99 genSpecialSelectorComparison isMapped JumpGreater)
  		(1 100 100 genSpecialSelectorComparison isMapped JumpLessOrEqual)
  		(1 101 101 genSpecialSelectorComparison isMapped JumpGreaterOrEqual)
  		(1 102 102 genSpecialSelectorComparison isMapped JumpZero)
  		(1 103 103 genSpecialSelectorComparison isMapped JumpNonZero)
  		(1 104 109 genSpecialSelectorSend isMapped)	 " #* #/ #\\ #@ #bitShift: //"
  		(1 110 110 genSpecialSelectorArithmetic isMapped AndRR)
  		(1 111 111 genSpecialSelectorArithmetic isMapped OrRR)
  		(1 112 117 genSpecialSelectorSend isMapped) "#at: #at:put: #size #next #nextPut: #atEnd"
  		(1 118 118 genSpecialSelectorEqualsEquals needsFrameNever: notMapped -1) "not mapped because it is directly inlined (for now)"
  		(1 119 119 genSpecialSelectorClass needsFrameIfStackGreaterThanOne: notMapped 0) "not mapped because it is directly inlined (for now)"
  		(1 120 120 genSpecialSelectorNotEqualsEquals needsFrameNever: notMapped -1) "not mapped because it is directly inlined (for now)"
  		(1 121 127 genSpecialSelectorSend isMapped) "#value #value: #do: #new #new: #x #y"
  
  		(1 128 143 genSendLiteralSelector0ArgsBytecode isMapped)
  		(1 144 159 genSendLiteralSelector1ArgBytecode isMapped)
  		(1 160 175 genSendLiteralSelector2ArgsBytecode isMapped)
  
  		"jumps"
  		(1 176 183 genShortUnconditionalJump	branch v3:ShortForward:Branch:Distance:)
  		(1 184 191 genShortJumpIfTrue			branch isBranchTrue isMapped "because of mustBeBoolean"
  													v3:ShortForward:Branch:Distance:)
  		(1 192 199 genShortJumpIfFalse			branch isBranchFalse isMapped "because of mustBeBoolean"
  													v3:ShortForward:Branch:Distance:)
  		(1 200 207 genStoreAndPopReceiverVariableBytecode isInstVarRef is1ByteInstVarStore isMappedIfImmutability needsFrameIfImmutability: -1)
  		
  		(1 208 215 genStoreAndPopTemporaryVariableBytecode)
  
  		(1 216 216 genPopStackBytecode needsFrameNever: -1)
  
  		(1 217 217 genUnconditionalTrapBytecode isMapped)
  
  		(1 218 223 unknownBytecode)
  
  		"2 byte bytecodes"
  		(2 224 224 extABytecode extension)
  		(2 225 225 extBBytecode extension)
  
  		"pushes"
  		(2 226 226 genExtPushReceiverVariableBytecode isInstVarRef)		"Needs a frame for context inst var access"
+ 		(2 227 227 genExtPushLiteralVariableBytecode			needsFrameNever: 1)
- 		(2 227 227 genExtPushLitVarDirSupBytecode			needsFrameNever: 1)
  		(2 228 228 genExtPushLiteralBytecode					needsFrameNever: 1)
  		(2 229 229 genLongPushTemporaryVariableBytecode)
  		(2 230 230 unknownBytecode)
  		(2 231 231 genPushNewArrayBytecode)
  		(2 232 232 genExtPushIntegerBytecode				needsFrameNever: 1)
  		(2 233 233 genExtPushCharacterBytecode				needsFrameNever: 1)
  
  		"returns"
  		"sends"
  		(2 234 234 genExtSendBytecode isMapped)
  		(2 235 235 genExtSendSuperBytecode isMapped)
  
  		"sista bytecodes"
  		(2 236 236 genCallMappedInlinedPrimitive isMapped hasUnsafeJump)
  
  		"jumps"
  		(2 237 237 genExtUnconditionalJump	branch isMapped "because of interrupt check" v4:Long:Branch:Distance:)
  		(2 238 238 genExtJumpIfTrue			branch isBranchTrue isMapped "because of mustBeBoolean" v4:Long:Branch:Distance:)
  		(2 239 239 genExtJumpIfFalse			branch isBranchFalse isMapped "because of mustBeBoolean" v4:Long:Branch:Distance:)
  
  		"stores"
  		(2 240 240 genExtStoreAndPopReceiverVariableBytecode isInstVarRef isMappedIfImmutability)
  		(2 241 241 genExtStoreAndPopLiteralVariableBytecode isMappedIfImmutability)
  		(2 242 242 genLongStoreAndPopTemporaryVariableBytecode)
  		(2 243 243 genExtStoreReceiverVariableBytecode isInstVarRef isMappedIfImmutability)
  		(2 244 244 genExtStoreLiteralVariableBytecode isMappedIfImmutability)
  		(2 245 245 genLongStoreTemporaryVariableBytecode)
  
  		(2 246 247	unknownBytecode)
  
  		"3 byte bytecodes"
  		(3 248 248 genCallPrimitiveBytecode hasUnsafeJump)
  		(3 249 249 genExtPushFullClosureBytecode)
  		(3 250 250 genExtPushClosureBytecode block v4:Block:Code:Size:)
  		(3 251 251 genPushRemoteTempLongBytecode)
  		(3 252 252 genStoreRemoteTempLongBytecode isMappedIfImmutability)
  		(3 253 253 genStoreAndPopRemoteTempLongBytecode isMappedIfImmutability)
  		
  		(3 254 255	unknownBytecode))!



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