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VMARMV8SpecificEncodingTest.class.st
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VMARMV8SpecificEncodingTest.class.st
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Class {
#name : #VMARMV8SpecificEncodingTest,
#superclass : #VMSimpleStackBasedCogitAbstractTest,
#category : #'VMMakerTests-JitTests'
}
{ #category : #'building suites' }
VMARMV8SpecificEncodingTest class >> wordSizeParameters [
^ ParametrizedTestMatrix new
addCase: { #ISA -> #'aarch64'. #wordSize -> 8};
yourself
]
{ #category : #'tests - MoveRMwr' }
VMARMV8SpecificEncodingTest >> armInstructionAt: index [
| addr inst |
addr := cogInitialAddress + ((index - 1) * 8).
inst := memory uint32AtPointer: addr.
^ inst aarch64Disassembled
]
{ #category : #'tests - MoveMbrR' }
VMARMV8SpecificEncodingTest >> doTestEncodeMoveMbrR: constant [
| expectedAddress expectedValue |
expectedAddress := cogInitialAddress + 1024.
expectedValue := 16r10.
self compile: [
cogit MoveMb: constant r: ReceiverResultReg R: Arg0Reg].
memory byteAt: expectedAddress put: expectedValue.
machineSimulator arg0RegisterValue: 0.
machineSimulator receiverRegisterValue: expectedAddress + constant negated.
self runGeneratedCode.
self
assert: machineSimulator arg0RegisterValue
equals: expectedValue.
]
{ #category : #'tests - MoveMwrR' }
VMARMV8SpecificEncodingTest >> doTestEncodeMoveMwrR: constant [
| expectedAddress expectedValue |
expectedAddress := cogInitialAddress + 1024.
expectedValue := 16r10001000.
self compile: [
cogit MoveMw: constant r: ReceiverResultReg R: Arg0Reg].
memory long32At: expectedAddress put: expectedValue.
machineSimulator arg0RegisterValue: 0.
machineSimulator receiverRegisterValue: expectedAddress + constant negated.
self runGeneratedCode.
self
assert: machineSimulator arg0RegisterValue
equals: expectedValue.
]
{ #category : #'tests - MoveRMwr' }
VMARMV8SpecificEncodingTest >> doTestEncodeMoveRMwr: constant [
| expectedAddress expectedValue |
expectedAddress := cogInitialAddress + 400.
expectedValue := 16r100.
self compile: [
cogit MoveR: ReceiverResultReg Mw: constant r: Arg0Reg].
machineSimulator receiverRegisterValue: 16r100.
machineSimulator arg0RegisterValue: expectedAddress + constant negated.
self runGeneratedCode.
self
assert: (memory long64At: expectedAddress)
equals: expectedValue.
]
{ #category : #'tests - cmpCqR' }
VMARMV8SpecificEncodingTest >> testEncodeCmpCqRNonEncodeable12BitConstant [
| constant |
constant := 32768 << 3 + 1.
self compile: [
cogit CmpCq: constant R: ReceiverResultReg ].
machineSimulator receiverRegisterValue: constant.
self runGeneratedCode.
"Assert Cmp was equals"
self assert: machineSimulator zero
]
{ #category : #'tests - cmpCqR' }
VMARMV8SpecificEncodingTest >> testEncodeCmpCqRWithNegative12BitConstant [
| negativeConstant12Bits |
negativeConstant12Bits := (1 << 12 - 1) negated.
self compile: [
cogit CmpCq: negativeConstant12Bits R: ReceiverResultReg ].
machineSimulator receiverRegisterValue: (1 << 12 - 1) bitInvert64 + 1.
self runGeneratedCode.
"Assert Cmp was equals"
self assert: machineSimulator zero
]
{ #category : #'tests - cmpCqR' }
VMARMV8SpecificEncodingTest >> testEncodeCmpCqRWithNegative12ShiftableBitConstant [
| negativeConstant12Bits |
negativeConstant12Bits := ((1 << 12 - 1) << 12) negated.
self compile: [
cogit CmpCq: negativeConstant12Bits R: ReceiverResultReg ].
machineSimulator receiverRegisterValue: ((1 << 12 - 1) << 12) bitInvert64 + 1.
self runGeneratedCode.
"Assert Cmp was equals"
self assert: machineSimulator zero
]
{ #category : #'tests - cmpCqR' }
VMARMV8SpecificEncodingTest >> testEncodeCmpCqRWithNegative13ShiftableBitConstant [
| negativeConstant12Bits |
negativeConstant12Bits := ((1 << 12 - 1) << 13) negated.
self compile: [
cogit CmpCq: negativeConstant12Bits R: ReceiverResultReg ].
machineSimulator receiverRegisterValue: ((1 << 12 - 1) << 13) bitInvert64 + 1.
self runGeneratedCode.
"Assert Cmp was equals"
self assert: machineSimulator zero
]
{ #category : #'tests - cmpCqR' }
VMARMV8SpecificEncodingTest >> testEncodeCmpCqRWithNegativeConstant [
| negativeConstant12Bits |
negativeConstant12Bits := -1.
self compile: [
cogit CmpCq: negativeConstant12Bits R: ReceiverResultReg ].
machineSimulator receiverRegisterValue: 1 bitInvert64 + 1.
self runGeneratedCode.
"Assert Cmp was equals"
self assert: machineSimulator zero
]
{ #category : #'tests - cmpCqR' }
VMARMV8SpecificEncodingTest >> testEncodeCmpCqRWithPositive12BitConstant [
| positiveConstant12Bits |
positiveConstant12Bits := 1 << 12 - 1.
self compile: [
cogit CmpCq: positiveConstant12Bits R: ReceiverResultReg ].
machineSimulator receiverRegisterValue: positiveConstant12Bits.
self runGeneratedCode.
"Assert Cmp was equals"
self assert: machineSimulator zero
]
{ #category : #'tests - cmpCqR' }
VMARMV8SpecificEncodingTest >> testEncodeCmpCqRWithPositiveBigConstant [
| positiveConstant12Bits |
positiveConstant12Bits := 134217729.
self compile: [
cogit CmpCq: positiveConstant12Bits R: ReceiverResultReg ].
machineSimulator receiverRegisterValue: positiveConstant12Bits.
self runGeneratedCode.
"Assert Cmp was equals"
self assert: machineSimulator zero
]
{ #category : #'tests - cmpCqR' }
VMARMV8SpecificEncodingTest >> testEncodeCmpCqRWithPositiveShiftable12BitConstant [
| positiveConstant12Bits |
positiveConstant12Bits := (1 << 12 - 1) << 12.
self compile: [
cogit CmpCq: positiveConstant12Bits R: ReceiverResultReg ].
machineSimulator receiverRegisterValue: positiveConstant12Bits.
self runGeneratedCode.
"Assert Cmp was equals"
self assert: machineSimulator zero
]
{ #category : #'tests - cmpCqR' }
VMARMV8SpecificEncodingTest >> testEncodeCmpCqRWithPositiveShiftable13BitConstant [
| positiveConstant12Bits |
positiveConstant12Bits := (1 << 12 - 1) << 13.
self compile: [
cogit CmpCq: positiveConstant12Bits R: ReceiverResultReg ].
machineSimulator receiverRegisterValue: positiveConstant12Bits.
self runGeneratedCode.
"Assert Cmp was equals"
self assert: machineSimulator zero
]
{ #category : #'tests - cmpCqR' }
VMARMV8SpecificEncodingTest >> testEncodeMoveCqRWithEncodeableLargeNumber [
| constantValue |
constantValue := 16rF234 << 16.
self compile: [
cogit MoveCq: constantValue R: 24 ].
self runGeneratedCode.
"Assert Cmp was equals"
self assert: machineSimulator x24 equals: constantValue
]
{ #category : #'tests - cmpCqR' }
VMARMV8SpecificEncodingTest >> testEncodeMoveCqRWithLargeConstant [
| constantValue |
constantValue := 281474841613120.
self compile: [
cogit MoveCq: constantValue R: 24 ].
self runGeneratedCode.
"Assert Cmp was equals"
self assert: machineSimulator x24 equals: constantValue
]
{ #category : #'tests - cmpCqR' }
VMARMV8SpecificEncodingTest >> testEncodeMoveCqRWithNegativeLargeConstant [
| constantValue completementValue |
constantValue := -281474841613120.
completementValue := constantValue negated bitInvert64 + 1.
self compile: [
cogit MoveCq: constantValue R: 24 ].
self runGeneratedCode.
"Assert Cmp was equals"
self assert: machineSimulator x24 hex equals: completementValue hex
]
{ #category : #'tests - MoveMbrR' }
VMARMV8SpecificEncodingTest >> testEncodeMoveMbrRWithNegative9BitConstant [
self doTestEncodeMoveMbrR: -256.
]
{ #category : #'tests - MoveMbrR' }
VMARMV8SpecificEncodingTest >> testEncodeMoveMbrRWithNegativeNon9BitConstant [
self doTestEncodeMoveMbrR: -1024.
]
{ #category : #'tests - MoveMbrR' }
VMARMV8SpecificEncodingTest >> testEncodeMoveMbrRWithPositive9BitConstant [
self doTestEncodeMoveMbrR: 255.
]
{ #category : #'tests - MoveMbrR' }
VMARMV8SpecificEncodingTest >> testEncodeMoveMbrRWithPositiveNon9BitConstant [
self doTestEncodeMoveMbrR: 1024.
]
{ #category : #'tests - MoveMwrR' }
VMARMV8SpecificEncodingTest >> testEncodeMoveMwrRWithNegative9BitConstant [
self doTestEncodeMoveMwrR: -256
]
{ #category : #'tests - MoveMwrR' }
VMARMV8SpecificEncodingTest >> testEncodeMoveMwrRWithNegativeNon9BitConstant [
self doTestEncodeMoveMwrR: -20056
]
{ #category : #'tests - MoveMwrR' }
VMARMV8SpecificEncodingTest >> testEncodeMoveMwrRWithPositive12BitConstant [
self doTestEncodeMoveMwrR: 16r100
]
{ #category : #'tests - MoveMwrR' }
VMARMV8SpecificEncodingTest >> testEncodeMoveMwrRWithPositiveNon9BitConstant [
self doTestEncodeMoveMwrR: 20056
]
{ #category : #'tests - MoveRMwr' }
VMARMV8SpecificEncodingTest >> testEncodeMoveRMwrWithNegative9BitConstant [
self doTestEncodeMoveRMwr: -256.
"This should be encoded in a single machine instruction"
self
assert: (self armInstructionAt: 1) assemblyCodeString
equals: 'stur x23, [x3, #-256]'
]
{ #category : #'tests - MoveRMwr' }
VMARMV8SpecificEncodingTest >> testEncodeMoveRMwrWithNon9BitButShiftableConstant [
self doTestEncodeMoveRMwr: 512
]
{ #category : #'tests - MoveRMwr' }
VMARMV8SpecificEncodingTest >> testEncodeMoveRMwrWithNon9BitNegativeConstant [
self doTestEncodeMoveRMwr: -61440
]
{ #category : #'tests - MoveRMwr' }
VMARMV8SpecificEncodingTest >> testEncodeMoveRMwrWithPositive9BitConstant [
self doTestEncodeMoveRMwr: 256
]
{ #category : #'tests - cmpCqR' }
VMARMV8SpecificEncodingTest >> testEncodeOrCqRWithEncodableConstant [
self compile: [
cogit OrCq: 16rFF R: ReceiverResultReg ].
machineSimulator receiverRegisterValue: 16r100.
self runGeneratedCode.
self assert: machineSimulator receiverRegisterValue equals: 16r1FF
]
{ #category : #'tests - cmpCqR' }
VMARMV8SpecificEncodingTest >> testEncodeOrCqRWithLargeConstant [
self compile: [
cogit OrCq: 67108865 R: ReceiverResultReg ].
machineSimulator receiverRegisterValue: 16r100.
self runGeneratedCode.
self assert: machineSimulator receiverRegisterValue equals: (67108865 bitOr: 16r100)
]
{ #category : #'tests - cmpCqR' }
VMARMV8SpecificEncodingTest >> testEncodeOrCqRWithNonEncodableConstant [
self compile: [
cogit OrCq: 16r12345678 R: ReceiverResultReg ].
machineSimulator receiverRegisterValue: 16r100.
self runGeneratedCode.
self assert: machineSimulator receiverRegisterValue equals: (16r12345678 bitOr: 16r100)
]