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VMByteCodesTest.class.st
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VMByteCodesTest.class.st
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Class {
#name : #VMByteCodesTest,
#superclass : #VMInterpreterTests,
#instVars : [
'contextOop',
'context',
'callingFrame',
'topFrame'
],
#category : #'VMMakerTests-InterpreterTests'
}
{ #category : #'helper-assertions' }
VMByteCodesTest >> assert: aBlock pop: anOop intoTemporary: anIndex [
| oldStackSize |
oldStackSize := interpreter stackPointer.
aBlock value.
self assert: interpreter stackPointer equals: oldStackSize + memory wordSize.
self assert: (interpreter temporary: anIndex in: interpreter framePointer) equals: anOop
]
{ #category : #'helper-assertions' }
VMByteCodesTest >> assert: aBlock pushed: anOop [
| oldStackSize |
oldStackSize := interpreter stackPointer.
aBlock value.
self assert: interpreter stackPointer equals: oldStackSize - memory wordSize.
self assert: interpreter stackTop equals: anOop.
]
{ #category : #'helper-assertions' }
VMByteCodesTest >> assert: aBlock returned: anOop [
| callerSP |
callerSP := interpreter frameCallerSP: interpreter framePointer.
aBlock value.
self assert: interpreter stackPointer equals: callerSP - memory wordSize.
self assert: interpreter stackTop equals: anOop.
]
{ #category : #'helper-assertions' }
VMByteCodesTest >> assertPopped: aBlock [
| oldStackSize |
oldStackSize := interpreter stackPointer.
aBlock value.
self assert: interpreter stackPointer equals: oldStackSize + memory wordSize.
]
{ #category : #'helpers-bytecode-table' }
VMByteCodesTest >> firstPushTemporaryVariableBytecode [
"in v3 bytecode table"
^ 16
]
{ #category : #'helpers-bytecode-table' }
VMByteCodesTest >> firstStoreAndPopTemporaryVariableBytecode [
^ 104
]
{ #category : #'helper-interpret' }
VMByteCodesTest >> interpret: aBlock [
interpreter internalizeIPandSP.
aBlock value.
interpreter externalizeIPandSP.
]
{ #category : #'tests-simd' }
VMByteCodesTest >> interpretNextBytecode [
| count |
count := 0.
interpreter interpretWhile: [
count := count + 1.
count = 1 ]
]
{ #category : #'tests-pushThisContext' }
VMByteCodesTest >> interpretWithFrame: aBlock [
callingFrame := stackBuilder addNewFrame method:
methodBuilder newMethod buildMethod.
topFrame := stackBuilder addNewFrame method:
methodBuilder newMethod buildMethod.
stackBuilder buildStack.
self interpret: aBlock
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> pushTempTest: index [
stackBuilder addNewFrame tempAt: index put: (memory integerObjectOf: 42).
stackBuilder buildStack.
interpreter currentBytecode: (self pushTemporaryVariableBytecodeAt: index).
"first we push something, so there is something to duplicate"
self
assert: [ self interpret: [ interpreter pushTemporaryVariableBytecode ] ]
pushed: (memory integerObjectOf: 42).
]
{ #category : #'helpers-bytecode-table' }
VMByteCodesTest >> pushTemporaryVariableBytecodeAt: offset [
^ self firstPushTemporaryVariableBytecode + offset.
]
{ #category : #'tests-pushThisContext' }
VMByteCodesTest >> pushThisContextTopFrame [
self interpretWithFrame: [ interpreter pushActiveContextBytecode ].
contextOop := interpreter stackTop.
context := VMContext
newOnContext: contextOop
withInterpreter: interpreter
]
{ #category : #'tests-simd' }
VMByteCodesTest >> setUp [
super setUp.
self installFloat64RegisterClass
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> storeAndPopTemporaryIntoTempTest: index [
stackBuilder addNewFrame
tempAt: index put: (memory nilObject) ;
stack: { memory integerObjectOf: 42 } .
stackBuilder buildStack.
interpreter currentBytecode: (self storeAndPopTemporaryVariableBytecodeAt: index).
"first we push something, so there is something to duplicate"
self assert: [ self interpret: [ interpreter storeAndPopTemporaryVariableBytecode ] ]
pop: (memory integerObjectOf: 42)
intoTemporary: index
]
{ #category : #'helpers-bytecode-table' }
VMByteCodesTest >> storeAndPopTemporaryVariableBytecodeAt: anInteger [
^ self firstStoreAndPopTemporaryVariableBytecode + anInteger
]
{ #category : #'tests-pushThisContext' }
VMByteCodesTest >> testAccessingSenderOfContextShouldReturnContextOfSender [
| oldMaybeSenderContext newMaybeSenderContext |
self interpretWithFrame: [ interpreter pushActiveContextBytecode. ].
oldMaybeSenderContext := interpreter instVar: SenderIndex ofContext: interpreter stackTop.
interpreter pushActiveContextBytecode.
newMaybeSenderContext := interpreter instVar: SenderIndex ofContext: interpreter stackTop.
self assert: oldMaybeSenderContext equals: newMaybeSenderContext
]
{ #category : #'tests-simd' }
VMByteCodesTest >> testAddVectorBytecode [
| index v0 v1 result firstTerm size |
index := 0.
firstTerm := 1.0 to: 2.0.
size := firstTerm size.
v0 := self new64BitIndexableFromArray: firstTerm.
v1 := self new64BitIndexableFromArray: (firstTerm collect: [:i | i + size]).
result := self new64BitIndexableOfSize: size.
stackBuilder addNewFrame
stack: { v0. v1 } .
stackBuilder buildStack.
self interpret: [ interpreter addFloat64VectorBytecode ].
result := interpreter stackTop.
self deny: result equals: memory nilObject.
self assert: (memory fetchFloat64: 0 ofObject: result) equals: 4.0.
self assert: (memory fetchFloat64: 1 ofObject: result) equals: 6.0.
]
{ #category : #'tests-simd' }
VMByteCodesTest >> testArraySumUsingVectorBytecode [
| cm x y result simulatedMethod z |
x := self new64BitIndexableFromArray: #(1.0 2.0).
y := self new64BitIndexableFromArray: #(10.0 20.0).
z := self new64BitIndexableOfSize: 2.
cm := IRBuilder buildMethod: [ :builder |
builder
numArgs: 3;
addTemps: { #firstVector. #secondVector. #thirdVector };
pushLiteral: 0;
pushTemp: #firstVector;
pushFloat64ArrayToRegister;
pushLiteral: 0;
pushTemp: #secondVector;
pushFloat64ArrayToRegister;
addFloat64Vector;
pushLiteral: 0;
pushTemp: #thirdVector;
storeFloat64RegisterIntoArray;
returnTop
].
simulatedMethod := methodBuilder fillFromPharoMethod: cm;
buildMethod.
stackBuilder addNewFrame
method: simulatedMethod;
temps: { x. y. z.}.
stackBuilder buildStack.
interpreter interpretUntilReturn.
result := interpreter stackTop.
self assert: (memory fetchFloat64: 0 ofObject: result) equals: 11.0.
self assert: (memory fetchFloat64: 1 ofObject: result) equals: 22.0.
]
{ #category : #'tests-complex' }
VMByteCodesTest >> testBytecodePopIntoReceiverWithReadOnlySendsAttemptToAssignMethod [
| class object objectToPutInSlot attemptToAssignMethod attemptToAssignSelector aMethodDictionary |
class := self
newClassInOldSpaceWithSlots: 0
instSpec: memory arrayFormat.
object := memory instantiateClass: class indexableSize: 1.
attemptToAssignSelector := memory integerObjectOf: 2.
attemptToAssignMethod := methodBuilder newMethod
numberOfArguments: 2;
buildMethod.
self setUpMethodDictionaryIn: class.
aMethodDictionary := memory
fetchPointer: MethodDictionaryIndex
ofObject: class.
self
installSelector: attemptToAssignSelector
method: attemptToAssignMethod
inMethodDictionary: aMethodDictionary.
memory splObj: SelectorAttemptToAssign put: attemptToAssignSelector.
memory setIsImmutableOf: object to: true.
objectToPutInSlot := memory instantiateClass: class indexableSize: 1.
stackBuilder addNewFrame
receiver: object;
stack: { objectToPutInSlot }.
stackBuilder buildStack.
interpreter methodDictLinearSearchLimit: 3.
interpreter setBreakSelector: nil.
interpreter currentBytecode: 200.
self interpret: [ interpreter storeAndPopReceiverVariableBytecode ].
topFrame := VMStackFrame
newFramePointer: interpreter framePointer
withInterpreter: interpreter.
self assert: topFrame method equals: attemptToAssignMethod
]
{ #category : #'tests-simd' }
VMByteCodesTest >> testCallMappedInlinedPrimitiveBytecode [
| v0 v1 result method |
v0 := self new64BitIndexableOfSize: 2.
v1 := self new64BitIndexableOfSize: 2.
memory storeFloat64: 0 ofObject: v0 withValue: 1.0.
memory storeFloat64: 1 ofObject: v0 withValue: 2.0.
memory storeFloat64: 0 ofObject: v1 withValue: 3.0.
memory storeFloat64: 1 ofObject: v1 withValue: 4.0.
method := methodBuilder newMethod
bytecodes: #[ "callMappedInlinedPrimitiveBytecode" 236 "addVectorBytecode" 0 ];
buildMethod.
stackBuilder addNewFrame
method: method;
stack: { v0. v1 }.
stackBuilder buildStack.
self interpretNextBytecode.
result := interpreter stackTop.
self deny: result equals: memory nilObject.
self assert: (memory fetchFloat64: 0 ofObject: result) equals: 4.0.
self assert: (memory fetchFloat64: 1 ofObject: result) equals: 6.0
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testDuplicateStackTop [
stackBuilder addNewFrame ; buildStack.
"first we push something, so there is something to duplicate"
self
assert: [ self interpret: [ interpreter pushConstantOneBytecode ] ]
pushed: (memory integerObjectOf: 1).
"then we duplicate it"
self
assert: [ self interpret: [ interpreter duplicateTopBytecode ] ]
pushed: (memory integerObjectOf: 1).
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPopStackTopBytecode [
stackBuilder addNewFrame ; buildStack.
"first we push something"
self
assert: [ self interpret: [ interpreter pushConstantOneBytecode ] ]
pushed: (memory integerObjectOf: 1).
"then we pop it"
self
assertPopped: [ self interpret: [ interpreter popStackBytecode ] ]
]
{ #category : #'tests-simd' }
VMByteCodesTest >> testPushArrayToRegisterBytecode [
| array index result |
array := self new64BitIndexableOfSize: 4.
memory storeFloat64: 0 ofObject: array withValue: 1.0.
memory storeFloat64: 1 ofObject: array withValue: 2.0.
memory storeFloat64: 2 ofObject: array withValue: 3.0.
memory storeFloat64: 3 ofObject: array withValue: 4.0.
index := memory integerObjectOf: 2.
stackBuilder addNewFrame
stack: { index. array } .
stackBuilder buildStack.
self interpret: [ interpreter pushFloat64ArrayToRegisterBytecode ].
result := interpreter stackTop.
self assert: (memory fetchFloat64: 0 ofObject: result) equals: 3.0.
self assert: (memory fetchFloat64: 1 ofObject: result) equals: 4.0.
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushConstantFalseBytecode [
stackBuilder addNewFrame ; buildStack.
self
assert: [ self interpret: [ interpreter pushConstantFalseBytecode ] ]
pushed: memory falseObject
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushConstantMinusOneBytecode [
stackBuilder addNewFrame ; buildStack.
self
assert: [ self interpret: [ interpreter pushConstantMinusOneBytecode ] ]
pushed: (memory integerObjectOf: -1)
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushConstantNilBytecode [
stackBuilder addNewFrame ; buildStack.
self
assert: [ self interpret: [ interpreter pushConstantNilBytecode ] ]
pushed: memory nilObject
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushConstantOneBytecode [
stackBuilder addNewFrame ; buildStack.
self
assert: [ self interpret: [ interpreter pushConstantOneBytecode ] ]
pushed: (memory integerObjectOf: 1)
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushConstantReceiverBytecode [
| intReceiver |
intReceiver := memory integerObjectOf: 42.
stackBuilder addNewFrame receiver: intReceiver.
stackBuilder buildStack.
self
assert: [ self interpret: [ interpreter pushReceiverBytecode ] ]
pushed: intReceiver
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushConstantTrueBytecode [
stackBuilder addNewFrame ; buildStack.
self
assert: [ self interpret: [ interpreter pushConstantTrueBytecode ] ]
pushed: memory trueObject
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushConstantTwoBytecode [
stackBuilder addNewFrame ; buildStack.
self
assert: [ self interpret: [ interpreter pushConstantTwoBytecode ] ]
pushed: (memory integerObjectOf: 2)
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushConstantZeroBytecode [
stackBuilder addNewFrame ; buildStack.
self
assert: [ self interpret: [ interpreter pushConstantZeroBytecode ] ]
pushed: (memory integerObjectOf: 0)
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushTemp0 [
self pushTempTest: 0
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushTemp1 [
self pushTempTest: 1
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushTemp10 [
self pushTempTest: 10
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushTemp11 [
self pushTempTest: 11
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushTemp2 [
self pushTempTest: 2
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushTemp3 [
self pushTempTest: 3
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushTemp4 [
self pushTempTest: 4
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushTemp5 [
self pushTempTest: 5
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushTemp6 [
self pushTempTest: 6
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushTemp7 [
self pushTempTest: 7
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushTemp8 [
self pushTempTest: 8
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testPushTemp9 [
self pushTempTest: 9
]
{ #category : #'tests-pushThisContext' }
VMByteCodesTest >> testPushThisContextIsContext [
self pushThisContextTopFrame.
self assert: (memory isContext: interpreter stackTop).
]
{ #category : #'tests-pushThisContext' }
VMByteCodesTest >> testPushThisContextPushesValidInstructionPointer [
self pushThisContextTopFrame.
self assert: (interpreter objectMemory isIntegerObject: context instructionPointer).
self
assert: (interpreter withoutSmallIntegerTags: context instructionPointer)
equals: (interpreter frameCallerFP: interpreter framePointer)
]
{ #category : #'tests-pushThisContext' }
VMByteCodesTest >> testPushThisContextPushesValidPointerToTheFramePointer [
self pushThisContextTopFrame.
self
assert: (interpreter objectMemory isIntegerObject: context sender).
self
assert: (interpreter withoutSmallIntegerTags: context sender)
equals: interpreter framePointer
]
{ #category : #'tests-pushThisContext' }
VMByteCodesTest >> testPushThisContextPushesValidReceiver [
self pushThisContextTopFrame.
self assert: topFrame receiver equals: context receiver
]
{ #category : #'tests-pushThisContext' }
VMByteCodesTest >> testPushThisContextSetContextToFrame [
self pushThisContextTopFrame.
self assert: (interpreter frameContext: interpreter framePointer) equals: interpreter stackTop.
]
{ #category : #'tests-pushThisContext' }
VMByteCodesTest >> testPushThisContextSetFlagContextToFrame [
self pushThisContextTopFrame.
self assert: (interpreter frameHasContext: interpreter framePointer).
]
{ #category : #'tests-pushThisContext' }
VMByteCodesTest >> testPushThisContextTwiceMarriesOnce [
| previousTop newTop |
self interpretWithFrame: [
interpreter pushActiveContextBytecode.
previousTop := interpreter stackTop.
interpreter pushActiveContextBytecode.
newTop := interpreter stackTop.
].
self assert: newTop equals: previousTop.
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testReturnFalse [
"We need to return to a method.
So the method of the first stack should have a compiled method in the method field of the stack.
using memory trueObject simulates that behavior."
stackBuilder addNewFrame method: methodBuilder newMethod buildMethod.
stackBuilder addNewFrame.
stackBuilder buildStack.
self
assert: [ self interpret: [ interpreter returnFalse ] ]
returned: memory falseObject
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testReturnTrue [
"We need to return to a method.
So the method of the first stack should have a compiled method in the method field of the stack.
using memory trueObject simulates that behavior."
stackBuilder addNewFrame method: methodBuilder newMethod buildMethod.
stackBuilder addNewFrame.
stackBuilder buildStack.
self
assert: [ self interpret: [ interpreter returnTrue ] ]
returned: memory trueObject
]
{ #category : #'tests-pushThisContext' }
VMByteCodesTest >> testReturnsMarriedFrameWidowsContext [
| topFrameContext |
self interpretWithFrame: [
interpreter pushActiveContextBytecode.
interpreter returnTopFromMethod.
].
topFrameContext := interpreter stackTop.
"The interpreter does not update the pages, they are updated on demand.
Before checking a frame isWindowed we have to synchronize the interpreter variables with the stackPages"
interpreter externalWriteBackHeadFramePointers.
self assert: (interpreter isWidowedContext: topFrameContext)
]
{ #category : #'tests-send' }
VMByteCodesTest >> testSendMessageWithTwoArgumentsMakeAFrame [
| selectorOop aMethod aMethodToActivate receiver receiverClass aMethodDictionary arg1 arg2 |
selectorOop := memory integerObjectOf: 42.
methodBuilder newMethod literals: { selectorOop }.
aMethod := methodBuilder buildMethod.
aMethodToActivate := methodBuilder newMethod
numberOfArguments: 2;
buildMethod.
receiver := memory integerObjectOf: 41.
receiverClass := self setSmallIntegerClassIntoClassTable.
self setUpMethodDictionaryIn: receiverClass.
aMethodDictionary := memory
fetchPointer: MethodDictionaryIndex
ofObject: receiverClass.
self
installSelector: selectorOop
method: aMethodToActivate
inMethodDictionary: aMethodDictionary.
arg1 := memory integerObjectOf: 1.
arg2 := memory integerObjectOf: 2.
stackBuilder addNewFrame
method: aMethod;
stack: {
receiver.
arg1.
arg2 }.
stackBuilder buildStack.
interpreter methodDictLinearSearchLimit: 3.
interpreter setBreakSelector: nil.
interpreter method: aMethod.
interpreter currentBytecode: 240.
self interpret: [ interpreter sendLiteralSelector2ArgsBytecode ].
self
assert: (VMStackFrame
newFramePointer: interpreter framePointer
withInterpreter: interpreter) receiver
equals: receiver.
self assert: interpreter stackTop equals: receiver
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testStoreAndPopTemporary0 [
self storeAndPopTemporaryIntoTempTest: 0
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testStoreAndPopTemporary1 [
self storeAndPopTemporaryIntoTempTest: 1
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testStoreAndPopTemporary2 [
self storeAndPopTemporaryIntoTempTest: 2
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testStoreAndPopTemporary3 [
self storeAndPopTemporaryIntoTempTest: 3
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testStoreAndPopTemporary4 [
self storeAndPopTemporaryIntoTempTest: 4
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testStoreAndPopTemporary5 [
self storeAndPopTemporaryIntoTempTest: 5
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testStoreAndPopTemporary6 [
self storeAndPopTemporaryIntoTempTest: 6
]
{ #category : #'tests-push-simple' }
VMByteCodesTest >> testStoreAndPopTemporary7 [
self storeAndPopTemporaryIntoTempTest: 7
]
{ #category : #'tests-simd' }
VMByteCodesTest >> testStoreRegisterIntoArrayBytecode [
| register index array result |
array := self new64BitIndexableOfSize: 4.
memory storeFloat64: 0 ofObject: array withValue: 1.0.
memory storeFloat64: 1 ofObject: array withValue: 2.0.
memory storeFloat64: 2 ofObject: array withValue: 3.0.
memory storeFloat64: 3 ofObject: array withValue: 4.0.
register := self new64BitIndexableOfSize: 2.
memory storeFloat64: 0 ofObject: register withValue: 5.0.
memory storeFloat64: 1 ofObject: register withValue: 6.0.
index := memory integerObjectOf: 2.
stackBuilder addNewFrame
stack: { register. index. array }.
stackBuilder buildStack.
self interpret: [ interpreter storeFloat64RegisterIntoArrayBytecode ].
result := interpreter stackTop.
self assert: (memory fetchFloat64: 2 ofObject: result) equals: 5.0.
self assert: (memory fetchFloat64: 3 ofObject: result) equals: 6.0.
self assert: (memory fetchFloat64: 2 ofObject: array) equals: 5.0.
self assert: (memory fetchFloat64: 3 ofObject: array) equals: 6.0.
]
{ #category : #'tests-simd' }
VMByteCodesTest >> testSubVectorBytecode [
| index vector0 vector1 result |
index := 0.
vector0 := self new64BitIndexableOfSize: 2.
memory storeFloat64: 0 ofObject: vector0 withValue: 5.0.
memory storeFloat64: 1 ofObject: vector0 withValue: 3.0.
vector1 := self new64BitIndexableOfSize: 2.
memory storeFloat64: 0 ofObject: vector1 withValue: 2.0.
memory storeFloat64: 1 ofObject: vector1 withValue: 1.0.
stackBuilder addNewFrame
stack: { vector0. vector1 } .
stackBuilder buildStack.
self interpret: [ interpreter subFloat64VectorBytecode ].
result := interpreter stackTop.
self deny: result equals: memory nilObject.
self assert: (memory fetchFloat64: 0 ofObject: result) equals: 3.0.
self assert: (memory fetchFloat64: 1 ofObject: result) equals: 2.0.
]