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VMJitMethodTest.class.st
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VMJitMethodTest.class.st
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Class {
#name : #VMJitMethodTest,
#superclass : #VMPrimitiveCallAbstractTest,
#pools : [
'CogRTLOpcodes'
],
#category : #'VMMakerTests-JitTests'
}
{ #category : #'as yet unclassified' }
VMJitMethodTest >> addVector: arg1 with: arg2 intoVector: arg3 [
| tmp1 tmp2 |
tmp1 := 0.
tmp2 := 2.
[ tmp2 == tmp1 ] whileFalse: [
arg3.
tmp1 := tmp1 + 2 ].
^ arg3
]
{ #category : #tests }
VMJitMethodTest >> comparingSmallIntegers: aBitmap [
aBitmap size = 32768 ifTrue: [ ^ 17 ].
^ 23
]
{ #category : #helpers }
VMJitMethodTest >> initStack [
self createBaseFrame.
"Initialize Stack to the correct pointers in the selected page"
machineSimulator smalltalkStackPointerRegisterValue: interpreter stackPointer.
machineSimulator framePointerRegisterValue: interpreter framePointer.
machineSimulator baseRegisterValue: cogit varBaseAddress.
cogit setCStackPointer: interpreter rumpCStackAddress.
cogit setCFramePointer: interpreter rumpCStackAddress.
]
{ #category : #running }
VMJitMethodTest >> initialCodeSize [
^ 16 * 1024
]
{ #category : #running }
VMJitMethodTest >> setUp [
super setUp.
self initializeSpecialSelectors.
self installFloat64RegisterClass
]
{ #category : #running }
VMJitMethodTest >> setUpTrampolines [
super setUpTrampolines.
cogit ceSendMustBeBooleanAddFalseTrampoline: (self compileTrampoline: [ cogit RetN: 0 ] named:#ceSendMustBeBooleanAddFalseTrampoline).
cogit ceSendMustBeBooleanAddTrueTrampoline: (self compileTrampoline: [ cogit RetN: 0 ] named:#ceSendMustBeBooleanAddTrueTrampoline).
cogit ceCheckForInterruptTrampoline: (self compileTrampoline: [ cogit RetN: 0 ] named:#ceCheckForInterruptTrampoline).
cogit ceReturnToInterpreterTrampoline: (self compileTrampoline: [ cogit Stop ] named:#ceReturnToInterpreterTrampoline).
]
{ #category : #tests }
VMJitMethodTest >> testComparingSmallIntegersThatNotFit [
| callingMethod parameter aSize bytesPerSlot desiredByteSize numberOfWordSizeSlots padding |
aSize := 32768.
bytesPerSlot := 1.
desiredByteSize := aSize * bytesPerSlot roundUpTo: self wordSize.
numberOfWordSizeSlots := desiredByteSize / self wordSize.
padding := desiredByteSize / bytesPerSlot - aSize.
parameter := memory
allocateSlots: numberOfWordSizeSlots
format: memory firstByteFormat + padding
classIndex: self nextOrdinaryClassIndex.
"We replace the sendTrampoline to simulate the message send of #size"
sendTrampolineAddress := self compileTrampoline: [
cogit MoveCq: (memory integerObjectOf: 32768) R: ReceiverResultReg.
cogit RetN:0 ] named: #send0argsTrampoline.
cogit ordinarySendTrampolineAt: 0 "args" put: sendTrampolineAddress.
callingMethod := self jitMethod: (self findMethod: #comparingSmallIntegers:).
self
callCogMethod: callingMethod
receiver: memory nilObject
arguments: { parameter }
returnAddress: callerAddress.
self
assert: (memory integerValueOf: machineSimulator receiverRegisterValue)
equals: 17
]
{ #category : #tests }
VMJitMethodTest >> testJitCompiledFloat32VectorAddition [
| callingMethod cm x y z |
x := self new32BitIndexableFromArray: #(1.0 2.0 3.0 4.0 5.0 6.0 7.0 8.0).
y := self new32BitIndexableFromArray: #(10.0 20.0 30.0 40.0 50.0 60.0 70.0 80.0).
z := self new32BitIndexableOfSize: 8.
cm := IRBuilder buildMethod: [ :builder |"TODO handle arrays with an odd number of elements"
builder
numArgs: 3;
addTemps: { #firstVector. #secondVector. #thirdVector. #i. #end };
pushLiteral: 0;
storeTemp: #i;
popTop;
pushLiteral: 8;
storeTemp: #end;
popTop;
jumpBackTarget: #loop;
pushTemp: #end;
pushTemp: #i;
send: #==;
jumpAheadTo: #exit if: true;
pushTemp: #i;
pushTemp: #firstVector;
pushFloat32ArrayToRegister;
pushTemp: #i;
pushTemp: #secondVector;
pushFloat32ArrayToRegister;
addFloat32Vector;
pushTemp: #i;
pushTemp: #thirdVector;
storeFloat32RegisterIntoArray;
popTop;
pushTemp: #i;
pushLiteral: 4;
send: #+;
storeTemp: #i;
popTop;
jumpBackTo: #loop;
jumpAheadTarget: #exit;
pushTemp: #thirdVector;
returnTop
].
self class addSelector: #addVector:with:intoVector: withMethod: cm.
callingMethod := self jitMethod: (self findMethod: #addVector:with:intoVector:).
wordSize = 4 ifTrue: [ ^ self assert: callingMethod isNil ].
self initStack.
self
callCogMethod: callingMethod
receiver: memory nilObject
arguments: {x. y. z}
returnAddress: callerAddress.
self assert: machineSimulator receiverRegisterValue equals: z.
self assert: (memory fetchFloat32: 0 ofObject: z) equals: 11.0.
self assert: (memory fetchFloat32: 1 ofObject: z) equals: 22.0.
self assert: (memory fetchFloat32: 2 ofObject: z) equals: 33.0.
self assert: (memory fetchFloat32: 3 ofObject: z) equals: 44.0.
self assert: (memory fetchFloat32: 4 ofObject: z) equals: 55.0.
self assert: (memory fetchFloat32: 5 ofObject: z) equals: 66.0.
self assert: (memory fetchFloat32: 6 ofObject: z) equals: 77.0.
self assert: (memory fetchFloat32: 7 ofObject: z) equals: 88.0.
]
{ #category : #tests }
VMJitMethodTest >> testJitCompiledFloat64VectorAddition [
| callingMethod cm x y z firstTerm size |
firstTerm := 1.0 to: 2.0.
size := firstTerm size.
x := self new64BitIndexableFromArray: firstTerm.
y := self new64BitIndexableFromArray: (firstTerm collect: [:i | i * 10]).
z := self new64BitIndexableOfSize: size.
cm := IRBuilder buildMethod: [ :builder | "TODO handle arrays with an odd number of elements"
builder
numArgs: 3;
addTemps:
{ #firstVector. #secondVector. #thirdVector. #i. #end };
pushLiteral: 0;
storeTemp: #i;
popTop;
pushLiteral: size;
storeTemp: #end;
popTop;
jumpBackTarget: #loop;
pushTemp: #end;
pushTemp: #i;
send: #==;
jumpAheadTo: #exit if: true;
pushTemp: #i;
pushTemp: #firstVector;
pushFloat64ArrayToRegister;
pushTemp: #i;
pushTemp: #secondVector;
pushFloat64ArrayToRegister;
addFloat64Vector;
pushTemp: #i;
pushTemp: #thirdVector;
storeFloat64RegisterIntoArray;
popTop;
pushTemp: #i;
pushLiteral: 2;
send: #+;
storeTemp: #i;
popTop;
jumpBackTo: #loop;
jumpAheadTarget: #exit;
pushTemp: #thirdVector;
returnTop ].
self class addSelector: #addVector:with:intoVector: withMethod: cm.
callingMethod := self jitMethod:
(self findMethod: #addVector:with:intoVector:).
self wordSize = 4 ifTrue: [ ^ self assert: callingMethod isNil ].
self initStack.
self
callCogMethod: callingMethod
receiver: memory nilObject
arguments: {
x.
y.
z }
returnAddress: callerAddress.
self assert: machineSimulator receiverRegisterValue equals: z.
self assert: (memory fetchFloat64: 0 ofObject: z) equals: 11.0.
self assert: (memory fetchFloat64: 1 ofObject: z) equals: 22.0
]
{ #category : #tests }
VMJitMethodTest >> testMixedInlinedLiteralsSmoteTest [
| callingMethod |
callingMethod := self jitMethod: (FreeTypeSubPixelAntiAliasedGlyphRenderer>>#filter:).
self deny: callingMethod address equals: 0.
]
{ #category : #tests }
VMJitMethodTest >> testOnStackReplacementForLongRunningVectorAddMethod [
| callingMethod cm x y z firstTerm size frame |
cogit setCStackPointer: interpreter rumpCStackAddress.
cogit setCFramePointer: interpreter rumpCStackAddress.
firstTerm := 1.0 to: 2.0.
size := firstTerm size.
x := self new64BitIndexableFromArray: firstTerm.
y := self new64BitIndexableFromArray:
(firstTerm collect: [ :i | i * 10 ]).
z := self new64BitIndexableOfSize: size.
cm := IRBuilder buildMethod: [ :builder | "TODO handle arrays with an odd number of elements"
builder
numArgs: 3;
addTemps:
{ #firstVector. #secondVector. #thirdVector. #i. #end };
pushLiteral: 0;
storeTemp: #i;
popTop;
pushLiteral: size;
storeTemp: #end;
popTop;
jumpBackTarget: #loop;
pushTemp: #end;
pushTemp: #i;
send: #==;
jumpAheadTo: #exit if: true;
pushTemp: #i;
pushTemp: #firstVector;
pushFloat64ArrayToRegister;
pushTemp: #i;
pushTemp: #secondVector;
pushFloat64ArrayToRegister;
addFloat64Vector;
pushTemp: #i;
pushTemp: #thirdVector;
storeFloat64RegisterIntoArray;
popTop;
pushTemp: #i;
pushLiteral: 2;
send: #+;
storeTemp: #i;
popTop;
jumpBackTo: #loop;
jumpAheadTarget: #exit;
pushTemp: #thirdVector;
returnTop ].
self class addSelector: #addVector:with:intoVector: withMethod: cm.
callingMethod := self createMethodOopFromHostMethod:
(self findMethod: #addVector:with:intoVector:).
self initStack.
"As we are entering the interpreter first, the SP and FP has to be in the CStack."
machineSimulator sp: cogit getCStackPointer.
machineSimulator fp: cogit getCFramePointer.
frame := stackBuilder
args: { x };
addNewFrame.
frame stack: {
x.
y.
z };
method: callingMethod.
"We need to set the first context to the base of the current page"
stackBuilder createStackPage.
stackBuilder preparePage.
stackBuilder frames first context: (interpreter stackPages unsignedLongAt: (stackBuilder page baseAddress - self wordSize)).
stackBuilder pushFrames.
stackBuilder setInterpreterVariables.
cogit generateReturnToInterpreterPCTrampoline.
interpreter newMethod: callingMethod.
interpreter activateNewMethod.
"Set the backwards branch count to 3 so it trips in the first iteration.
This should trigger JIT compilation and On Stack Replacement"
interpreter
iframeBackwardBranchByte: interpreter framePointer
put: 3.
interpreter sigset: nil jmp: 0.
[interpreter interpretUntilReturn.] on: ReenterInterpreter do: [ :notification |
"Stop when returning from compiled method to interpreter"
].
self assert: (memory fetchFloat64: 0 ofObject: z) equals: 11.0.
self assert: (memory fetchFloat64: 1 ofObject: z) equals: 22.0
]