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acpi: define helper functions for working with opcode groups
This commit is contained in:
Achilleas Anagnostopoulos
parent
b1e959ec4d
commit
ca1682c431
@ -130,3 +130,69 @@ const (
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// Sentinel value to indicate freed objects
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pOpIntFreedObject = uint16(0xff + 0xff)
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)
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// pOpIsLocalArg returns true if this opcode represents any of the supported local
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// function args 0 to 7.
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func pOpIsLocalArg(op uint16) bool {
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return op >= pOpLocal0 && op <= pOpLocal7
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}
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// pOpIsMethodArg returns true if this opcode represents any of the supported
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// input function args 0 to 6.
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func pOpIsMethodArg(op uint16) bool {
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return op >= pOpArg0 && op <= pOpArg6
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}
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// pOpIsArg returns true if this opcode is either a local or a method arg.
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func pOpIsArg(op uint16) bool {
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return pOpIsLocalArg(op) || pOpIsMethodArg(op)
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}
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// pOpIsType2 returns true if this is a Type2Opcode.
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//
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// Grammar:
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// Type2Opcode := DefAcquire | DefAdd | DefAnd | DefBuffer | DefConcat |
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// DefConcatRes | DefCondRefOf | DefCopyObject | DefDecrement |
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// DefDerefOf | DefDivide | DefFindSetLeftBit | DefFindSetRightBit |
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// DefFromBCD | DefIncrement | DefIndex | DefLAnd | DefLEqual |
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// DefLGreater | DefLGreaterEqual | DefLLess | DefLLessEqual | DefMid |
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// DefLNot | DefLNotEqual | DefLoadTable | DefLOr | DefMatch | DefMod |
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// DefMultiply | DefNAnd | DefNOr | DefNot | DefObjectType | DefOr |
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// DefPackage | DefVarPackage | DefRefOf | DefShiftLeft | DefShiftRight |
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// DefSizeOf | DefStore | DefSubtract | DefTimer | DefToBCD | DefToBuffer |
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// DefToDecimalString | DefToHexString | DefToInteger | DefToString |
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// DefWait | DefXOr
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func pOpIsType2(op uint16) bool {
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switch op {
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case pOpAcquire, pOpAdd, pOpAnd, pOpBuffer, pOpConcat,
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pOpConcatRes, pOpCondRefOf, pOpCopyObject, pOpDecrement,
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pOpDerefOf, pOpDivide, pOpFindSetLeftBit, pOpFindSetRightBit,
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pOpFromBCD, pOpIncrement, pOpIndex, pOpLand, pOpLEqual,
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pOpLGreater, pOpLLess, pOpMid,
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pOpLnot, pOpLoadTable, pOpLor, pOpMatch, pOpMod,
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pOpMultiply, pOpNand, pOpNor, pOpNot, pOpObjectType, pOpOr,
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pOpPackage, pOpVarPackage, pOpRefOf, pOpShiftLeft, pOpShiftRight,
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pOpSizeOf, pOpStore, pOpSubtract, pOpTimer, pOpToBCD, pOpToBuffer,
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pOpToDecimalString, pOpToHexString, pOpToInteger, pOpToString,
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pOpWait, pOpXor:
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return true
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default:
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return false
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}
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}
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// pOpIsDataObject returns true if this opcode is part of a DataObject definition
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//
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// Grammar:
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// DataObject := ComputationalData | DefPackage | DefVarPackage
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// ComputationalData := ByteConst | WordConst | DWordConst | QWordConst | String | ConstObj | RevisionOp | DefBuffer
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// ConstObj := ZeroOp | OneOp | OnesOp
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func pOpIsDataObject(op uint16) bool {
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switch op {
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case pOpBytePrefix, pOpWordPrefix, pOpDwordPrefix, pOpQwordPrefix, pOpStringPrefix,
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pOpZero, pOpOne, pOpOnes, pOpRevision, pOpBuffer, pOpPackage, pOpVarPackage:
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return true
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default:
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return false
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}
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}
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108
src/gopheros/device/acpi/aml/parser_opcode_table_test.go
Normal file
108
src/gopheros/device/acpi/aml/parser_opcode_table_test.go
Normal file
@ -0,0 +1,108 @@
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package aml
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import "testing"
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func TestOpcodeIsX(t *testing.T) {
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specs := []struct {
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op uint16
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testFn func(uint16) bool
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want bool
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}{
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// OpIsLocalArg
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{pOpLocal0, pOpIsLocalArg, true},
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{pOpLocal1, pOpIsLocalArg, true},
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{pOpLocal2, pOpIsLocalArg, true},
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{pOpLocal3, pOpIsLocalArg, true},
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{pOpLocal4, pOpIsLocalArg, true},
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{pOpLocal5, pOpIsLocalArg, true},
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{pOpLocal6, pOpIsLocalArg, true},
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{pOpLocal7, pOpIsLocalArg, true},
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{pOpArg0, pOpIsLocalArg, false},
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{pOpDivide, pOpIsLocalArg, false},
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// OpIsMethodArg
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{pOpArg0, pOpIsMethodArg, true},
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{pOpArg1, pOpIsMethodArg, true},
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{pOpArg2, pOpIsMethodArg, true},
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{pOpArg3, pOpIsMethodArg, true},
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{pOpArg4, pOpIsMethodArg, true},
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{pOpArg5, pOpIsMethodArg, true},
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{pOpArg6, pOpIsMethodArg, true},
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{pOpLocal7, pOpIsMethodArg, false},
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{pOpIf, pOpIsMethodArg, false},
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// OpIsArg
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{pOpLocal5, pOpIsArg, true},
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{pOpArg1, pOpIsArg, true},
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{pOpDivide, pOpIsArg, false},
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// OpIsType2
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{pOpAcquire, pOpIsType2, true},
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{pOpAdd, pOpIsType2, true},
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{pOpAnd, pOpIsType2, true},
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{pOpBuffer, pOpIsType2, true},
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{pOpConcat, pOpIsType2, true},
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{pOpConcatRes, pOpIsType2, true},
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{pOpCondRefOf, pOpIsType2, true},
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{pOpCopyObject, pOpIsType2, true},
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{pOpDecrement, pOpIsType2, true},
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{pOpDerefOf, pOpIsType2, true},
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{pOpDivide, pOpIsType2, true},
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{pOpFindSetLeftBit, pOpIsType2, true},
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{pOpFindSetRightBit, pOpIsType2, true},
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{pOpFromBCD, pOpIsType2, true},
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{pOpIncrement, pOpIsType2, true},
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{pOpIndex, pOpIsType2, true},
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{pOpLand, pOpIsType2, true},
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{pOpLEqual, pOpIsType2, true},
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{pOpLGreater, pOpIsType2, true},
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{pOpLLess, pOpIsType2, true},
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{pOpMid, pOpIsType2, true},
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{pOpLnot, pOpIsType2, true},
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{pOpLoadTable, pOpIsType2, true},
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{pOpLor, pOpIsType2, true},
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{pOpMatch, pOpIsType2, true},
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{pOpMod, pOpIsType2, true},
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{pOpMultiply, pOpIsType2, true},
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{pOpNand, pOpIsType2, true},
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{pOpNor, pOpIsType2, true},
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{pOpNot, pOpIsType2, true},
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{pOpObjectType, pOpIsType2, true},
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{pOpOr, pOpIsType2, true},
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{pOpPackage, pOpIsType2, true},
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{pOpVarPackage, pOpIsType2, true},
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{pOpRefOf, pOpIsType2, true},
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{pOpShiftLeft, pOpIsType2, true},
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{pOpShiftRight, pOpIsType2, true},
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{pOpSizeOf, pOpIsType2, true},
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{pOpStore, pOpIsType2, true},
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{pOpSubtract, pOpIsType2, true},
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{pOpTimer, pOpIsType2, true},
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{pOpToBCD, pOpIsType2, true},
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{pOpToBuffer, pOpIsType2, true},
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{pOpToDecimalString, pOpIsType2, true},
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{pOpToHexString, pOpIsType2, true},
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{pOpToInteger, pOpIsType2, true},
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{pOpToString, pOpIsType2, true},
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{pOpWait, pOpIsType2, true},
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{pOpXor, pOpIsType2, true},
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{pOpBytePrefix, pOpIsType2, false},
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// OpIsDataObject
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{pOpBytePrefix, pOpIsDataObject, true},
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{pOpWordPrefix, pOpIsDataObject, true},
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{pOpDwordPrefix, pOpIsDataObject, true},
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{pOpQwordPrefix, pOpIsDataObject, true},
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{pOpStringPrefix, pOpIsDataObject, true},
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{pOpZero, pOpIsDataObject, true},
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{pOpOne, pOpIsDataObject, true},
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{pOpOnes, pOpIsDataObject, true},
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{pOpRevision, pOpIsDataObject, true},
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{pOpBuffer, pOpIsDataObject, true},
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{pOpPackage, pOpIsDataObject, true},
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{pOpVarPackage, pOpIsDataObject, true},
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{pOpLor, pOpIsDataObject, false},
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}
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for specIndex, spec := range specs {
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if got := spec.testFn(spec.op); got != spec.want {
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t.Errorf("[spec %d] opcode %q: expected to get %t; got %t", specIndex, spec.op, spec.want, got)
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}
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}
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}
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