Map local variables in IR to their original names

This commit is contained in:
2024-11-14 19:55:30 +01:00
parent 060496fc6e
commit 1ec3467830
7 changed files with 376 additions and 386 deletions

View File

@ -14,7 +14,12 @@ import Data.Vector (Vector)
import qualified Data.Vector as Vector
import qualified Language.Elna.Architecture.RiscV as RiscV
import Language.Elna.Backend.Allocator (MachineConfiguration(..), Store(..))
import Language.Elna.Backend.Intermediate (Label(..), Operand(..), Quadruple(..))
import Language.Elna.Backend.Intermediate
( Label(..)
, Operand(..)
, ProcedureQuadruples(..)
, Quadruple(..)
)
import Language.Elna.Location (Identifier(..))
import Data.Bits (Bits(..))
import Data.Foldable (Foldable(..), foldlM)
@ -80,13 +85,13 @@ createLabel = do
$ Text.Builder.toLazyText
$ Text.Builder.decimal currentCounter
generateRiscV :: HashMap Identifier (Vector RiscVQuadruple) -> Vector Statement
generateRiscV :: HashMap Identifier (ProcedureQuadruples RiscVStore) -> Vector Statement
generateRiscV = flip evalState 0
. runRiscVGenerator
. foldlM go Vector.empty
. HashMap.toList
where
go accumulator (Identifier key, value) =
go accumulator (Identifier key, ProcedureQuadruples{ quadruples = value }) =
let code = Vector.cons (JumpLabel key [GlobalDirective, FunctionDirective])
. fold <$> mapM quadruple value
in (accumulator <>) <$> code
@ -114,354 +119,140 @@ quadruple StopQuadruple = pure $ Vector.fromList
, Instruction (RiscV.BaseInstruction RiscV.OpImm $ RiscV.I RiscV.SP RiscV.ADDI RiscV.SP 4)
, Instruction (RiscV.BaseInstruction RiscV.Jalr $ RiscV.I RiscV.RA RiscV.JALR RiscV.Zero 0)
]
quadruple (AddQuadruple operand1 operand2 (Store register))
quadruple (AddQuadruple operand1 operand2 store) =
commutativeBinary (+) RiscV.ADD (RiscV.Funct7 0b0000000) (operand1, operand2) store
quadruple (ProductQuadruple operand1 operand2 store) =
commutativeBinary (*) RiscV.MUL (RiscV.Funct7 0b0000001) (operand1, operand2) store
quadruple (SubtractionQuadruple operand1 operand2 store)
| IntOperand immediateOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
pure $ lui (immediateOperand1 + immediateOperand2) register
let (storeRegister, storeStatements) = storeToStore store
in pure $ lui (immediateOperand1 - immediateOperand2) storeRegister <> storeStatements
| VariableOperand variableOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
let Store operandRegister1 = variableOperand1
Store operandRegister2 = variableOperand2
in pure $ Vector.singleton $ Instruction
$ RiscV.BaseInstruction RiscV.Op
$ RiscV.R register RiscV.ADD operandRegister1 operandRegister2 (RiscV.Funct7 0b0000000)
| VariableOperand variableOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
addImmediateRegister variableOperand1 immediateOperand2
let (storeRegister, storeStatements) = storeToStore store
(operandRegister1, statements1) = loadFromStore variableOperand1
(operandRegister2, statements2) = loadFromStore variableOperand2
instruction = Instruction
$ RiscV.BaseInstruction RiscV.Op
$ RiscV.R storeRegister RiscV.SUB operandRegister1 operandRegister2
$ RiscV.Funct7 0b0100000
in pure $ statements1 <> statements2 <> Vector.cons instruction storeStatements
| IntOperand immediateOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
addImmediateRegister variableOperand2 immediateOperand1
where
addImmediateRegister variableOperand immediateOperand =
let statements = lui immediateOperand register
Store operandRegister = variableOperand
in pure $ Vector.snoc statements
$ Instruction
$ RiscV.BaseInstruction RiscV.Op
$ RiscV.R register RiscV.ADD register operandRegister
$ RiscV.Funct7 0b0000000
quadruple (SubtractionQuadruple operand1 operand2 (Store register))
| IntOperand immediateOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
pure $ lui (immediateOperand1 - immediateOperand2) register
| VariableOperand variableOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
let Store operandRegister1 = variableOperand1
Store operandRegister2 = variableOperand2
in pure $ Vector.singleton $ Instruction
$ RiscV.BaseInstruction RiscV.Op
$ RiscV.R register RiscV.SUB operandRegister1 operandRegister2
$ RiscV.Funct7 0b0100000
| IntOperand immediateOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
let statements1 = lui immediateOperand1 register
Store operandRegister2 = variableOperand2
in pure $ Vector.snoc statements1
$ Instruction
$ RiscV.BaseInstruction RiscV.Op
$ RiscV.R register RiscV.SUB register operandRegister2
$ RiscV.Funct7 0b0100000
let (storeRegister, storeStatements) = storeToStore store
statements1 = lui immediateOperand1 storeRegister
(operandRegister2, statements2) = loadFromStore variableOperand2
instruction = Instruction
$ RiscV.BaseInstruction RiscV.Op
$ RiscV.R storeRegister RiscV.SUB storeRegister operandRegister2
$ RiscV.Funct7 0b0100000
in pure $ statements1 <> statements2 <> Vector.cons instruction storeStatements
| VariableOperand variableOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
let statements2 = lui (negate immediateOperand2) register
Store operandRegister1 = variableOperand1
in pure $ Vector.snoc statements2
$ Instruction
$ RiscV.BaseInstruction RiscV.Op
$ RiscV.R register RiscV.ADD register operandRegister1
$ RiscV.Funct7 0b0000000
quadruple (NegationQuadruple operand1 (Store register))
let (storeRegister, storeStatements) = storeToStore store
statements2 = lui (negate immediateOperand2) storeRegister
(operandRegister1, statements1) = loadFromStore variableOperand1
instruction = Instruction
$ RiscV.BaseInstruction RiscV.Op
$ RiscV.R storeRegister RiscV.ADD storeRegister operandRegister1
$ RiscV.Funct7 0b0000000
in pure $ statements1 <> statements2 <> Vector.cons instruction storeStatements
quadruple (NegationQuadruple operand1 store)
| IntOperand immediateOperand1 <- operand1 =
pure $ lui (negate immediateOperand1) register
let (storeRegister, storeStatements) = storeToStore store
in pure $ lui (negate immediateOperand1) storeRegister <> storeStatements
| VariableOperand variableOperand1 <- operand1 =
let Store operandRegister1 = variableOperand1
in pure $ Vector.singleton
$ Instruction
$ RiscV.BaseInstruction RiscV.Op
$ RiscV.R register RiscV.SUB RiscV.Zero operandRegister1
$ RiscV.Funct7 0b0100000
quadruple (ProductQuadruple operand1 operand2 (Store register))
| IntOperand immediateOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
pure $ lui (immediateOperand1 * immediateOperand2) register
| VariableOperand variableOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
let Store operandRegister1 = variableOperand1
Store operandRegister2 = variableOperand2
in pure $ Vector.singleton $ Instruction
$ RiscV.BaseInstruction RiscV.Op
$ RiscV.R register RiscV.MUL operandRegister1 operandRegister2 (RiscV.Funct7 0b0000001)
| VariableOperand variableOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
multiplyImmediateRegister variableOperand1 immediateOperand2
| IntOperand immediateOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
multiplyImmediateRegister variableOperand2 immediateOperand1
where
multiplyImmediateRegister variableOperand immediateOperand =
let statements = lui immediateOperand register
Store operandRegister = variableOperand
in pure $ Vector.snoc statements
$ Instruction
$ RiscV.BaseInstruction RiscV.Op
$ RiscV.R register RiscV.MUL register operandRegister
$ RiscV.Funct7 0b0000001
quadruple (DivisionQuadruple operand1 operand2 (Store register))
let (storeRegister, storeStatements) = storeToStore store
(operandRegister1, statements1) = loadFromStore variableOperand1
instruction = Instruction
$ RiscV.BaseInstruction RiscV.Op
$ RiscV.R storeRegister RiscV.SUB RiscV.Zero operandRegister1
$ RiscV.Funct7 0b0100000
in pure $ statements1 <> Vector.cons instruction storeStatements
quadruple (DivisionQuadruple operand1 operand2 store)
| IntOperand immediateOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
if immediateOperand2 == 0
then pure $ Vector.singleton
$ Instruction (RiscV.CallInstruction "_divide_by_zero_error")
else pure $ lui (quot immediateOperand1 immediateOperand2) register
else
let (storeRegister, storeStatements) = storeToStore store
in pure $ lui (quot immediateOperand1 immediateOperand2) storeRegister <> storeStatements
| VariableOperand variableOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 = do
let Store operandRegister1 = variableOperand1
Store operandRegister2 = variableOperand2
let (storeRegister, storeStatements) = storeToStore store
(operandRegister1, statements1) = loadFromStore variableOperand1
(operandRegister2, statements2) = loadFromStore variableOperand2
divisionInstruction = Instruction
$ RiscV.BaseInstruction RiscV.Op
$ RiscV.R register RiscV.DIV operandRegister1 operandRegister2 (RiscV.Funct7 0b0000001)
$ RiscV.R storeRegister RiscV.DIV operandRegister1 operandRegister2 (RiscV.Funct7 0b0000001)
branchLabel <- createLabel
let branchInstruction = Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch branchLabel RiscV.BNE RiscV.Zero operandRegister2
pure $ Vector.fromList
pure $ statements1 <> statements2 <> Vector.fromList
[ branchInstruction
, Instruction (RiscV.CallInstruction "_divide_by_zero_error")
, JumpLabel branchLabel []
, divisionInstruction
]
] <> storeStatements
| VariableOperand variableOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
let statements2 = lui immediateOperand2 register
Store operandRegister1 = variableOperand1
let (storeRegister, storeStatements) = storeToStore store
statements2 = lui immediateOperand2 storeRegister
(operandRegister1, statements1) = loadFromStore variableOperand1
operationInstruction
| immediateOperand2 == 0 =
RiscV.CallInstruction "_divide_by_zero_error"
| otherwise = RiscV.BaseInstruction RiscV.Op
$ RiscV.R register RiscV.DIV operandRegister1 register
$ RiscV.R storeRegister RiscV.DIV operandRegister1 storeRegister
$ RiscV.Funct7 0b0000001
in pure $ Vector.snoc statements2
$ Instruction operationInstruction
in pure $ statements1 <> statements2
<> Vector.cons (Instruction operationInstruction) storeStatements
| IntOperand immediateOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 = do
let statements1 = lui immediateOperand1 register
Store operandRegister2 = variableOperand2
let (storeRegister, storeStatements) = storeToStore store
statements1 = lui immediateOperand1 storeRegister
(operandRegister2, statements2) = loadFromStore variableOperand2
divisionInstruction = Instruction
$ RiscV.BaseInstruction RiscV.Op
$ RiscV.R register RiscV.DIV register operandRegister2 (RiscV.Funct7 0b0000001)
$ RiscV.R storeRegister RiscV.DIV storeRegister operandRegister2 (RiscV.Funct7 0b0000001)
branchLabel <- createLabel
let branchInstruction = Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch branchLabel RiscV.BNE RiscV.Zero operandRegister2
pure $ mappend statements1 $ Vector.fromList
pure $ statements1 <> statements2 <> Vector.fromList
[ branchInstruction
, Instruction (RiscV.CallInstruction "_divide_by_zero_error")
, JumpLabel branchLabel []
, divisionInstruction
]
] <> storeStatements
quadruple (LabelQuadruple (Label label)) = pure $ Vector.singleton $ JumpLabel label mempty
quadruple (GoToQuadruple label) = pure $ Vector.singleton $ unconditionalJal label
quadruple (EqualQuadruple operand1 operand2 goToLabel)
| IntOperand immediateOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
if immediateOperand1 == immediateOperand2
then pure $ Vector.singleton $ unconditionalJal goToLabel
else pure Vector.empty
| VariableOperand variableOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 = do
let Store operandRegister1 = variableOperand1
Store operandRegister2 = variableOperand2
Label goToLabel' = goToLabel
pure $ Vector.singleton
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BEQ operandRegister1 operandRegister2
| VariableOperand variableOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
compareImmediateRegister variableOperand1 immediateOperand2
| IntOperand immediateOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
compareImmediateRegister variableOperand2 immediateOperand1
where
compareImmediateRegister variableOperand immediateOperand =
let statements = lui immediateOperand immediateRegister
Store operandRegister = variableOperand
Label goToLabel' = goToLabel
in pure $ Vector.snoc statements
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BEQ operandRegister immediateRegister
quadruple (NonEqualQuadruple operand1 operand2 goToLabel)
| IntOperand immediateOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
if immediateOperand1 /= immediateOperand2
then pure $ Vector.singleton $ unconditionalJal goToLabel
else pure Vector.empty
| VariableOperand variableOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 = do
let Store operandRegister1 = variableOperand1
Store operandRegister2 = variableOperand2
Label goToLabel' = goToLabel
pure $ Vector.singleton
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BNE operandRegister1 operandRegister2
| VariableOperand variableOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
compareImmediateRegister variableOperand1 immediateOperand2
| IntOperand immediateOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
compareImmediateRegister variableOperand2 immediateOperand1
where
compareImmediateRegister variableOperand immediateOperand =
let statements = lui immediateOperand immediateRegister
Store operandRegister = variableOperand
Label goToLabel' = goToLabel
in pure $ Vector.snoc statements
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BNE operandRegister immediateRegister
quadruple (LessQuadruple operand1 operand2 goToLabel)
| IntOperand immediateOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
if immediateOperand1 < immediateOperand2
then pure $ Vector.singleton $ unconditionalJal goToLabel
else pure Vector.empty
| VariableOperand variableOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 = do
let Store operandRegister1 = variableOperand1
Store operandRegister2 = variableOperand2
Label goToLabel' = goToLabel
pure $ Vector.singleton
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BLT operandRegister1 operandRegister2
| VariableOperand variableOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
let statements2 = lui immediateOperand2 immediateRegister
Store operandRegister1 = variableOperand1
Label goToLabel' = goToLabel
in pure $ Vector.snoc statements2
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BLT operandRegister1 immediateRegister
| IntOperand immediateOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
let statements1 = lui immediateOperand1 immediateRegister
Store operandRegister2 = variableOperand2
Label goToLabel' = goToLabel
in pure $ Vector.snoc statements1
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BLT immediateRegister operandRegister2
quadruple (GreaterQuadruple operand1 operand2 goToLabel)
| IntOperand immediateOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
if immediateOperand1 > immediateOperand2
then pure $ Vector.singleton $ unconditionalJal goToLabel
else pure Vector.empty
| VariableOperand variableOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 = do
let Store operandRegister1 = variableOperand1
Store operandRegister2 = variableOperand2
Label goToLabel' = goToLabel
pure $ Vector.singleton
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BLT operandRegister2 operandRegister1
| VariableOperand variableOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
let statements2 = lui immediateOperand2 immediateRegister
Store operandRegister1 = variableOperand1
Label goToLabel' = goToLabel
in pure $ Vector.snoc statements2
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BLT immediateRegister operandRegister1
| IntOperand immediateOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
let statements1 = lui immediateOperand1 immediateRegister
Store operandRegister2 = variableOperand2
Label goToLabel' = goToLabel
in pure $ Vector.snoc statements1
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BLT operandRegister2 immediateRegister
quadruple (LessOrEqualQuadruple operand1 operand2 goToLabel)
| IntOperand immediateOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
if immediateOperand1 <= immediateOperand2
then pure $ Vector.singleton $ unconditionalJal goToLabel
else pure Vector.empty
| VariableOperand variableOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 = do
let Store operandRegister1 = variableOperand1
Store operandRegister2 = variableOperand2
Label goToLabel' = goToLabel
pure $ Vector.singleton
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BGE operandRegister2 operandRegister1
| VariableOperand variableOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
let statements2 = lui immediateOperand2 immediateRegister
Store operandRegister1 = variableOperand1
Label goToLabel' = goToLabel
in pure $ Vector.snoc statements2
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BGE immediateRegister operandRegister1
| IntOperand immediateOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
let statements1 = lui immediateOperand1 immediateRegister
Store operandRegister2 = variableOperand2
Label goToLabel' = goToLabel
in pure $ Vector.snoc statements1
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BGE operandRegister2 immediateRegister
quadruple (GreaterOrEqualQuadruple operand1 operand2 goToLabel)
| IntOperand immediateOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
if immediateOperand1 >= immediateOperand2
then pure $ Vector.singleton $ unconditionalJal goToLabel
else pure Vector.empty
| VariableOperand variableOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
let Store operandRegister1 = variableOperand1
Store operandRegister2 = variableOperand2
Label goToLabel' = goToLabel
in pure $ Vector.singleton
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BGE operandRegister1 operandRegister2
| VariableOperand variableOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
let statements2 = lui immediateOperand2 immediateRegister
Store operandRegister1 = variableOperand1
Label goToLabel' = goToLabel
in pure $ Vector.snoc statements2
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BGE operandRegister1 immediateRegister
| IntOperand immediateOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
let statements1 = lui immediateOperand1 immediateRegister
Store operandRegister2 = variableOperand2
Label goToLabel' = goToLabel
in pure $ Vector.snoc statements1
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BGE immediateRegister operandRegister2
quadruple (AssignQuadruple operand1 (Store register))
| IntOperand immediateOperand1 <- operand1 = pure
$ lui immediateOperand1 register
quadruple (EqualQuadruple operand1 operand2 goToLabel) =
commutativeComparison (==) RiscV.BEQ (operand1, operand2) goToLabel
quadruple (NonEqualQuadruple operand1 operand2 goToLabel) =
commutativeComparison (/=) RiscV.BNE (operand1, operand2) goToLabel
quadruple (LessQuadruple operand1 operand2 goToLabel) =
lessThan (operand1, operand2) goToLabel
quadruple (GreaterQuadruple operand1 operand2 goToLabel) =
lessThan (operand2, operand1) goToLabel
quadruple (LessOrEqualQuadruple operand1 operand2 goToLabel) =
lessOrEqualThan (operand1, operand2) goToLabel
quadruple (GreaterOrEqualQuadruple operand1 operand2 goToLabel) =
lessOrEqualThan (operand2, operand1) goToLabel
quadruple (AssignQuadruple operand1 store)
| IntOperand immediateOperand1 <- operand1 =
let (storeRegister, storeStatements) = storeToStore store
in pure $ lui immediateOperand1 storeRegister <> storeStatements
| VariableOperand variableOperand1 <- operand1 =
let Store operandRegister1 = variableOperand1
in pure $ Vector.singleton
$ Instruction
$ RiscV.BaseInstruction RiscV.OpImm
$ RiscV.I register RiscV.ADDI operandRegister1 0
let (operandRegister1, statements1) = loadFromStore variableOperand1
(storeRegister, storeStatements) = storeToStore store
instruction = Instruction
$ RiscV.BaseInstruction RiscV.OpImm
$ RiscV.I storeRegister RiscV.ADDI operandRegister1 0
in pure $ statements1 <> Vector.cons instruction storeStatements
unconditionalJal :: Label -> Statement
unconditionalJal (Label goToLabel) = Instruction
@ -471,7 +262,7 @@ unconditionalJal (Label goToLabel) = Instruction
loadImmediateOrRegister :: RiscVOperand -> RiscV.XRegister -> (RiscV.XRegister, Vector Statement)
loadImmediateOrRegister (IntOperand intValue) targetRegister =
(targetRegister, lui intValue targetRegister)
loadImmediateOrRegister (VariableOperand (Store register)) _ = (register, Vector.empty)
loadImmediateOrRegister (VariableOperand store) _ = loadFromStore store
lui :: Int32 -> RiscV.XRegister -> Vector Statement
lui intValue targetRegister
@ -489,3 +280,165 @@ lui intValue targetRegister
where
hi = intValue `shiftR` 12
lo = fromIntegral intValue
commutativeBinary
:: (Int32 -> Int32 -> Int32)
-> RiscV.Funct3
-> RiscV.Funct7
-> (Operand RiscVStore, Operand RiscVStore)
-> Store RiscV.XRegister
-> RiscVGenerator (Vector Statement)
commutativeBinary immediateOperation funct3 funct7 (operand1, operand2) store
| IntOperand immediateOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
let (storeRegister, storeStatements) = storeToStore store
immediateOperation' = immediateOperation immediateOperand1 immediateOperand2
in pure $ lui immediateOperation' storeRegister <> storeStatements
| VariableOperand variableOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
let (operandRegister1, statements1) = loadFromStore variableOperand1
(operandRegister2, statements2) = loadFromStore variableOperand2
(storeRegister, storeStatements) = storeToStore store
instruction = Instruction $ RiscV.BaseInstruction RiscV.Op
$ RiscV.R storeRegister funct3 operandRegister1 operandRegister2 funct7
in pure $ statements1 <> statements2
<> Vector.cons instruction storeStatements
| VariableOperand variableOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
commutativeImmediateRegister variableOperand1 immediateOperand2
| IntOperand immediateOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
commutativeImmediateRegister variableOperand2 immediateOperand1
where
commutativeImmediateRegister variableOperand immediateOperand =
let (storeRegister, storeStatements) = storeToStore store
immediateStatements = lui immediateOperand storeRegister
(operandRegister, registerStatements) = loadFromStore variableOperand
instruction = Instruction
$ RiscV.BaseInstruction RiscV.Op
$ RiscV.R storeRegister funct3 storeRegister operandRegister funct7
in pure $ immediateStatements <> registerStatements
<> Vector.cons instruction storeStatements
commutativeComparison
:: (Int32 -> Int32 -> Bool)
-> RiscV.Funct3
-> (Operand RiscVStore, Operand RiscVStore)
-> Label
-> RiscVGenerator (Vector Statement)
commutativeComparison immediateOperation funct3 (operand1, operand2) goToLabel
| IntOperand immediateOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
if immediateOperation immediateOperand1 immediateOperand2
then pure $ Vector.singleton $ unconditionalJal goToLabel
else pure Vector.empty
| VariableOperand variableOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 = do
let (operandRegister1, statements1) = loadFromStore variableOperand1
(operandRegister2, statements2) = loadFromStore variableOperand2
Label goToLabel' = goToLabel
pure $ Vector.snoc (statements1 <> statements2)
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' funct3 operandRegister1 operandRegister2
| VariableOperand variableOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
compareImmediateRegister variableOperand1 immediateOperand2
| IntOperand immediateOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
compareImmediateRegister variableOperand2 immediateOperand1
where
compareImmediateRegister variableOperand immediateOperand =
let immediateStatements = lui immediateOperand immediateRegister
(operandRegister, registerStatements) = loadFromStore variableOperand
Label goToLabel' = goToLabel
in pure $ Vector.snoc (immediateStatements <> registerStatements)
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' funct3 operandRegister immediateRegister
lessThan :: (Operand RiscVStore, Operand RiscVStore) -> Label -> RiscVGenerator (Vector Statement)
lessThan (operand1, operand2) goToLabel
| IntOperand immediateOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
if immediateOperand1 < immediateOperand2
then pure $ Vector.singleton $ unconditionalJal goToLabel
else pure Vector.empty
| VariableOperand variableOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 = do
let (operandRegister1, statements1) = loadFromStore variableOperand1
(operandRegister2, statements2) = loadFromStore variableOperand2
Label goToLabel' = goToLabel
pure $ Vector.snoc (statements1 <> statements2)
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BLT operandRegister1 operandRegister2
| VariableOperand variableOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
let statements2 = lui immediateOperand2 immediateRegister
(operandRegister1, statements1) = loadFromStore variableOperand1
Label goToLabel' = goToLabel
in pure $ Vector.snoc (statements1 <> statements2)
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BLT operandRegister1 immediateRegister
| IntOperand immediateOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
let statements1 = lui immediateOperand1 immediateRegister
(operandRegister2, statements2) = loadFromStore variableOperand2
Label goToLabel' = goToLabel
in pure $ Vector.snoc (statements1 <> statements2)
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BLT immediateRegister operandRegister2
lessOrEqualThan :: (Operand RiscVStore, Operand RiscVStore) -> Label -> RiscVGenerator (Vector Statement)
lessOrEqualThan (operand1, operand2) goToLabel
| IntOperand immediateOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
if immediateOperand1 <= immediateOperand2
then pure $ Vector.singleton $ unconditionalJal goToLabel
else pure Vector.empty
| VariableOperand variableOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 = do
let (operandRegister1, statements1) = loadFromStore variableOperand1
(operandRegister2, statements2) = loadFromStore variableOperand2
Label goToLabel' = goToLabel
pure $ Vector.snoc (statements1 <> statements2)
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BGE operandRegister2 operandRegister1
| VariableOperand variableOperand1 <- operand1
, IntOperand immediateOperand2 <- operand2 =
let statements2 = lui immediateOperand2 immediateRegister
(operandRegister1, statements1) = loadFromStore variableOperand1
Label goToLabel' = goToLabel
in pure $ Vector.snoc (statements1 <> statements2)
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BGE immediateRegister operandRegister1
| IntOperand immediateOperand1 <- operand1
, VariableOperand variableOperand2 <- operand2 =
let statements1 = lui immediateOperand1 immediateRegister
(operandRegister2, statements2) = loadFromStore variableOperand2
Label goToLabel' = goToLabel
in pure $ Vector.snoc (statements1 <> statements2)
$ Instruction
$ RiscV.RelocatableInstruction RiscV.Branch
$ RiscV.RBranch goToLabel' RiscV.BGE operandRegister2 immediateRegister
loadFromStore :: RiscVStore -> (RiscV.XRegister, Vector Statement)
loadFromStore (RegisterStore register) = (register, mempty)
loadFromStore (StackStore offset register) =
let loadInstruction = Instruction
$ RiscV.BaseInstruction RiscV.Load
$ RiscV.I register RiscV.LW RiscV.SP offset
in (register, Vector.singleton loadInstruction)
storeToStore :: RiscVStore -> (RiscV.XRegister, Vector Statement)
storeToStore (RegisterStore register) = (register, mempty)
storeToStore (StackStore offset register) =
let storeInstruction = Instruction
$ RiscV.BaseInstruction RiscV.Store
$ RiscV.S offset RiscV.SW RiscV.SP register
in (register, Vector.singleton storeInstruction)