Implement comparison operators
This commit is contained in:
@ -259,11 +259,11 @@ quadruple (EqualQuadruple operand1 operand2 goToLabel)
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, VariableOperand variableOperand2 <- operand2 = do
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let Store operandRegister1 = variableOperand1
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Store operandRegister2 = variableOperand2
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branchLabel <- createLabel
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Label goToLabel' = goToLabel
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pure $ Vector.singleton
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch branchLabel RiscV.BEQ operandRegister1 operandRegister2
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$ RiscV.RBranch goToLabel' RiscV.BEQ operandRegister1 operandRegister2
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| VariableOperand variableOperand1 <- operand1
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, IntOperand immediateOperand2 <- operand2 =
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compareImmediateRegister variableOperand1 immediateOperand2
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@ -279,6 +279,168 @@ quadruple (EqualQuadruple operand1 operand2 goToLabel)
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch goToLabel' RiscV.BEQ operandRegister immediateRegister
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quadruple (NonEqualQuadruple operand1 operand2 goToLabel)
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| IntOperand immediateOperand1 <- operand1
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, IntOperand immediateOperand2 <- operand2 =
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if immediateOperand1 /= immediateOperand2
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then pure $ Vector.singleton $ unconditionalJal goToLabel
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else pure Vector.empty
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| VariableOperand variableOperand1 <- operand1
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, VariableOperand variableOperand2 <- operand2 = do
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let Store operandRegister1 = variableOperand1
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Store operandRegister2 = variableOperand2
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Label goToLabel' = goToLabel
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pure $ Vector.singleton
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch goToLabel' RiscV.BNE operandRegister1 operandRegister2
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| VariableOperand variableOperand1 <- operand1
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, IntOperand immediateOperand2 <- operand2 =
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compareImmediateRegister variableOperand1 immediateOperand2
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| IntOperand immediateOperand1 <- operand1
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, VariableOperand variableOperand2 <- operand2 =
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compareImmediateRegister variableOperand2 immediateOperand1
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where
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compareImmediateRegister variableOperand immediateOperand =
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let statements = lui immediateOperand immediateRegister
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Store operandRegister = variableOperand
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Label goToLabel' = goToLabel
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in pure $ Vector.snoc statements
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch goToLabel' RiscV.BNE operandRegister immediateRegister
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quadruple (LessQuadruple operand1 operand2 goToLabel)
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| IntOperand immediateOperand1 <- operand1
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, IntOperand immediateOperand2 <- operand2 =
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if immediateOperand1 < immediateOperand2
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then pure $ Vector.singleton $ unconditionalJal goToLabel
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else pure Vector.empty
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| VariableOperand variableOperand1 <- operand1
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, VariableOperand variableOperand2 <- operand2 = do
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let Store operandRegister1 = variableOperand1
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Store operandRegister2 = variableOperand2
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Label goToLabel' = goToLabel
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pure $ Vector.singleton
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch goToLabel' RiscV.BLT operandRegister1 operandRegister2
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| VariableOperand variableOperand1 <- operand1
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, IntOperand immediateOperand2 <- operand2 =
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let statements2 = lui immediateOperand2 immediateRegister
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Store operandRegister1 = variableOperand1
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Label goToLabel' = goToLabel
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in pure $ Vector.snoc statements2
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch goToLabel' RiscV.BLT operandRegister1 immediateRegister
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| IntOperand immediateOperand1 <- operand1
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, VariableOperand variableOperand2 <- operand2 =
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let statements1 = lui immediateOperand1 immediateRegister
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Store operandRegister2 = variableOperand2
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Label goToLabel' = goToLabel
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in pure $ Vector.snoc statements1
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch goToLabel' RiscV.BLT immediateRegister operandRegister2
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quadruple (GreaterQuadruple operand1 operand2 goToLabel)
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| IntOperand immediateOperand1 <- operand1
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, IntOperand immediateOperand2 <- operand2 =
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if immediateOperand1 > immediateOperand2
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then pure $ Vector.singleton $ unconditionalJal goToLabel
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else pure Vector.empty
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| VariableOperand variableOperand1 <- operand1
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, VariableOperand variableOperand2 <- operand2 = do
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let Store operandRegister1 = variableOperand1
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Store operandRegister2 = variableOperand2
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Label goToLabel' = goToLabel
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pure $ Vector.singleton
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch goToLabel' RiscV.BLT operandRegister2 operandRegister1
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| VariableOperand variableOperand1 <- operand1
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, IntOperand immediateOperand2 <- operand2 =
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let statements2 = lui immediateOperand2 immediateRegister
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Store operandRegister1 = variableOperand1
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Label goToLabel' = goToLabel
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in pure $ Vector.snoc statements2
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch goToLabel' RiscV.BLT immediateRegister operandRegister1
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| IntOperand immediateOperand1 <- operand1
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, VariableOperand variableOperand2 <- operand2 =
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let statements1 = lui immediateOperand1 immediateRegister
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Store operandRegister2 = variableOperand2
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Label goToLabel' = goToLabel
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in pure $ Vector.snoc statements1
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch goToLabel' RiscV.BLT operandRegister2 immediateRegister
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quadruple (LessOrEqualQuadruple operand1 operand2 goToLabel)
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| IntOperand immediateOperand1 <- operand1
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, IntOperand immediateOperand2 <- operand2 =
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if immediateOperand1 <= immediateOperand2
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then pure $ Vector.singleton $ unconditionalJal goToLabel
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else pure Vector.empty
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| VariableOperand variableOperand1 <- operand1
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, VariableOperand variableOperand2 <- operand2 = do
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let Store operandRegister1 = variableOperand1
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Store operandRegister2 = variableOperand2
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Label goToLabel' = goToLabel
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pure $ Vector.singleton
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch goToLabel' RiscV.BGE operandRegister2 operandRegister1
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| VariableOperand variableOperand1 <- operand1
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, IntOperand immediateOperand2 <- operand2 =
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let statements2 = lui immediateOperand2 immediateRegister
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Store operandRegister1 = variableOperand1
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Label goToLabel' = goToLabel
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in pure $ Vector.snoc statements2
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch goToLabel' RiscV.BGE immediateRegister operandRegister1
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| IntOperand immediateOperand1 <- operand1
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, VariableOperand variableOperand2 <- operand2 =
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let statements1 = lui immediateOperand1 immediateRegister
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Store operandRegister2 = variableOperand2
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Label goToLabel' = goToLabel
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in pure $ Vector.snoc statements1
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch goToLabel' RiscV.BGE operandRegister2 immediateRegister
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quadruple (GreaterOrEqualQuadruple operand1 operand2 goToLabel)
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| IntOperand immediateOperand1 <- operand1
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, IntOperand immediateOperand2 <- operand2 =
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if immediateOperand1 >= immediateOperand2
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then pure $ Vector.singleton $ unconditionalJal goToLabel
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else pure Vector.empty
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| VariableOperand variableOperand1 <- operand1
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, VariableOperand variableOperand2 <- operand2 = do
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let Store operandRegister1 = variableOperand1
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Store operandRegister2 = variableOperand2
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Label goToLabel' = goToLabel
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pure $ Vector.singleton
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch goToLabel' RiscV.BGE operandRegister1 operandRegister2
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| VariableOperand variableOperand1 <- operand1
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, IntOperand immediateOperand2 <- operand2 =
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let statements2 = lui immediateOperand2 immediateRegister
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Store operandRegister1 = variableOperand1
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Label goToLabel' = goToLabel
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in pure $ Vector.snoc statements2
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch goToLabel' RiscV.BGE operandRegister1 immediateRegister
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| IntOperand immediateOperand1 <- operand1
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, VariableOperand variableOperand2 <- operand2 =
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let statements1 = lui immediateOperand1 immediateRegister
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Store operandRegister2 = variableOperand2
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Label goToLabel' = goToLabel
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in pure $ Vector.snoc statements1
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$ Instruction
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$ RiscV.RelocatableInstruction RiscV.Branch
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$ RiscV.RBranch goToLabel' RiscV.BGE immediateRegister operandRegister2
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unconditionalJal :: Label -> Statement
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unconditionalJal (Label goToLabel) = Instruction
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