module GHC.CmmToAsm.RV64.Regs where
import GHC.Cmm
import GHC.Cmm.CLabel (CLabel)
import GHC.CmmToAsm.Format
import GHC.Data.FastString
import GHC.Platform
import GHC.Platform.Reg
import GHC.Platform.Reg.Class
import GHC.Platform.Regs
import GHC.Prelude
import GHC.Types.Unique
import GHC.Utils.Outputable
import GHC.Utils.Panic
x0RegNo :: RegNo
x0RegNo :: RegNo
x0RegNo = RegNo
0
x1RegNo, raRegNo :: RegNo
x1RegNo :: RegNo
x1RegNo = RegNo
1
raRegNo :: RegNo
raRegNo = RegNo
x1RegNo
x5RegNo, t0RegNo :: RegNo
x5RegNo :: RegNo
x5RegNo = RegNo
5
t0RegNo :: RegNo
t0RegNo = RegNo
x5RegNo
x7RegNo, t2RegNo :: RegNo
x7RegNo :: RegNo
x7RegNo = RegNo
7
t2RegNo :: RegNo
t2RegNo = RegNo
x7RegNo
x28RegNo, t3RegNo :: RegNo
x28RegNo :: RegNo
x28RegNo = RegNo
28
t3RegNo :: RegNo
t3RegNo = RegNo
x28RegNo
x31RegNo, t6RegNo, tmpRegNo :: RegNo
x31RegNo :: RegNo
x31RegNo = RegNo
31
t6RegNo :: RegNo
t6RegNo = RegNo
x31RegNo
tmpRegNo :: RegNo
tmpRegNo = RegNo
x31RegNo
d0RegNo, ft0RegNo :: RegNo
d0RegNo :: RegNo
d0RegNo = RegNo
32
ft0RegNo :: RegNo
ft0RegNo = RegNo
d0RegNo
d7RegNo, ft7RegNo :: RegNo
d7RegNo :: RegNo
d7RegNo = RegNo
39
ft7RegNo :: RegNo
ft7RegNo = RegNo
d7RegNo
d31RegNo :: RegNo
d31RegNo :: RegNo
d31RegNo = RegNo
63
a0RegNo, x10RegNo :: RegNo
x10RegNo :: RegNo
x10RegNo = RegNo
10
a0RegNo :: RegNo
a0RegNo = RegNo
x10RegNo
a7RegNo, x17RegNo :: RegNo
x17RegNo :: RegNo
x17RegNo = RegNo
17
a7RegNo :: RegNo
a7RegNo = RegNo
x17RegNo
fa0RegNo, d10RegNo :: RegNo
d10RegNo :: RegNo
d10RegNo = RegNo
42
fa0RegNo :: RegNo
fa0RegNo = RegNo
d10RegNo
fa7RegNo, d17RegNo :: RegNo
d17RegNo :: RegNo
d17RegNo = RegNo
49
fa7RegNo :: RegNo
fa7RegNo = RegNo
d17RegNo
zeroReg, raReg, spMachReg, tmpReg :: Reg
zeroReg :: Reg
zeroReg = RegNo -> Reg
regSingle RegNo
x0RegNo
raReg :: Reg
raReg = RegNo -> Reg
regSingle RegNo
1
spMachReg :: Reg
spMachReg = RegNo -> Reg
regSingle RegNo
2
tmpReg :: Reg
tmpReg = RegNo -> Reg
regSingle RegNo
tmpRegNo
allMachRegNos :: [RegNo]
allMachRegNos :: [RegNo]
allMachRegNos = [RegNo]
intRegs [RegNo] -> [RegNo] -> [RegNo]
forall a. [a] -> [a] -> [a]
++ [RegNo]
fpRegs
where
intRegs :: [RegNo]
intRegs = [RegNo
x0RegNo .. RegNo
x31RegNo]
fpRegs :: [RegNo]
fpRegs = [RegNo
d0RegNo .. RegNo
d31RegNo]
allocatableRegs :: Platform -> [RealReg]
allocatableRegs :: Platform -> [RealReg]
allocatableRegs Platform
platform =
let isFree :: RegNo -> Bool
isFree = Platform -> RegNo -> Bool
freeReg Platform
platform
in (RegNo -> RealReg) -> [RegNo] -> [RealReg]
forall a b. (a -> b) -> [a] -> [b]
map RegNo -> RealReg
RealRegSingle ([RegNo] -> [RealReg]) -> [RegNo] -> [RealReg]
forall a b. (a -> b) -> a -> b
$ (RegNo -> Bool) -> [RegNo] -> [RegNo]
forall a. (a -> Bool) -> [a] -> [a]
filter RegNo -> Bool
isFree [RegNo]
allMachRegNos
allGpArgRegs :: [Reg]
allGpArgRegs :: [Reg]
allGpArgRegs = (RegNo -> Reg) -> [RegNo] -> [Reg]
forall a b. (a -> b) -> [a] -> [b]
map RegNo -> Reg
regSingle [RegNo
a0RegNo .. RegNo
a7RegNo]
allFpArgRegs :: [Reg]
allFpArgRegs :: [Reg]
allFpArgRegs = (RegNo -> Reg) -> [RegNo] -> [Reg]
forall a b. (a -> b) -> [a] -> [b]
map RegNo -> Reg
regSingle [RegNo
fa0RegNo .. RegNo
fa7RegNo]
data AddrMode
=
AddrRegImm Reg Imm
|
AddrReg Reg
deriving (AddrMode -> AddrMode -> Bool
(AddrMode -> AddrMode -> Bool)
-> (AddrMode -> AddrMode -> Bool) -> Eq AddrMode
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: AddrMode -> AddrMode -> Bool
== :: AddrMode -> AddrMode -> Bool
$c/= :: AddrMode -> AddrMode -> Bool
/= :: AddrMode -> AddrMode -> Bool
Eq, RegNo -> AddrMode -> ShowS
[AddrMode] -> ShowS
AddrMode -> String
(RegNo -> AddrMode -> ShowS)
-> (AddrMode -> String) -> ([AddrMode] -> ShowS) -> Show AddrMode
forall a.
(RegNo -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: RegNo -> AddrMode -> ShowS
showsPrec :: RegNo -> AddrMode -> ShowS
$cshow :: AddrMode -> String
show :: AddrMode -> String
$cshowList :: [AddrMode] -> ShowS
showList :: [AddrMode] -> ShowS
Show)
data Imm
= ImmInt Int
| ImmInteger Integer
| ImmCLbl CLabel
| ImmLit FastString
| ImmIndex CLabel Int
| ImmFloat Rational
| ImmDouble Rational
| ImmConstantSum Imm Imm
| ImmConstantDiff Imm Imm
deriving (Imm -> Imm -> Bool
(Imm -> Imm -> Bool) -> (Imm -> Imm -> Bool) -> Eq Imm
forall a. (a -> a -> Bool) -> (a -> a -> Bool) -> Eq a
$c== :: Imm -> Imm -> Bool
== :: Imm -> Imm -> Bool
$c/= :: Imm -> Imm -> Bool
/= :: Imm -> Imm -> Bool
Eq, RegNo -> Imm -> ShowS
[Imm] -> ShowS
Imm -> String
(RegNo -> Imm -> ShowS)
-> (Imm -> String) -> ([Imm] -> ShowS) -> Show Imm
forall a.
(RegNo -> a -> ShowS) -> (a -> String) -> ([a] -> ShowS) -> Show a
$cshowsPrec :: RegNo -> Imm -> ShowS
showsPrec :: RegNo -> Imm -> ShowS
$cshow :: Imm -> String
show :: Imm -> String
$cshowList :: [Imm] -> ShowS
showList :: [Imm] -> ShowS
Show)
litToImm :: CmmLit -> Imm
litToImm :: CmmLit -> Imm
litToImm (CmmInt Integer
i Width
w) = Integer -> Imm
ImmInteger (Width -> Integer -> Integer
narrowS Width
w Integer
i)
litToImm (CmmFloat Rational
f Width
W32) = Rational -> Imm
ImmFloat Rational
f
litToImm (CmmFloat Rational
f Width
W64) = Rational -> Imm
ImmDouble Rational
f
litToImm (CmmLabel CLabel
l) = CLabel -> Imm
ImmCLbl CLabel
l
litToImm (CmmLabelOff CLabel
l RegNo
off) = CLabel -> RegNo -> Imm
ImmIndex CLabel
l RegNo
off
litToImm (CmmLabelDiffOff CLabel
l1 CLabel
l2 RegNo
off Width
_) =
Imm -> Imm -> Imm
ImmConstantSum
(Imm -> Imm -> Imm
ImmConstantDiff (CLabel -> Imm
ImmCLbl CLabel
l1) (CLabel -> Imm
ImmCLbl CLabel
l2))
(RegNo -> Imm
ImmInt RegNo
off)
litToImm CmmLit
l = String -> Imm
forall a. HasCallStack => String -> a
panic (String -> Imm) -> String -> Imm
forall a b. (a -> b) -> a -> b
$ String
"RV64.Regs.litToImm: no match for " String -> ShowS
forall a. [a] -> [a] -> [a]
++ CmmLit -> String
forall a. Show a => a -> String
show CmmLit
l
{-# INLINE virtualRegSqueeze #-}
virtualRegSqueeze :: RegClass -> VirtualReg -> Int
virtualRegSqueeze :: RegClass -> VirtualReg -> RegNo
virtualRegSqueeze RegClass
cls VirtualReg
vr =
case RegClass
cls of
RegClass
RcInteger ->
case VirtualReg
vr of
VirtualRegI {} -> RegNo
1
VirtualRegHi {} -> RegNo
1
VirtualReg
_other -> RegNo
0
RegClass
RcDouble ->
case VirtualReg
vr of
VirtualRegD {} -> RegNo
1
VirtualRegF {} -> RegNo
0
VirtualReg
_other -> RegNo
0
RegClass
_other -> RegNo
0
{-# INLINE realRegSqueeze #-}
realRegSqueeze :: RegClass -> RealReg -> Int
realRegSqueeze :: RegClass -> RealReg -> RegNo
realRegSqueeze RegClass
cls RealReg
rr =
case RegClass
cls of
RegClass
RcInteger ->
case RealReg
rr of
RealRegSingle RegNo
regNo
| RegNo
regNo RegNo -> RegNo -> Bool
forall a. Ord a => a -> a -> Bool
< RegNo
d0RegNo -> RegNo
1
| Bool
otherwise -> RegNo
0
RegClass
RcDouble ->
case RealReg
rr of
RealRegSingle RegNo
regNo
| RegNo
regNo RegNo -> RegNo -> Bool
forall a. Ord a => a -> a -> Bool
< RegNo
d0RegNo -> RegNo
0
| Bool
otherwise -> RegNo
1
RegClass
_other -> RegNo
0
mkVirtualReg :: Unique -> Format -> VirtualReg
mkVirtualReg :: Unique -> Format -> VirtualReg
mkVirtualReg Unique
u Format
format
| Bool -> Bool
not (Format -> Bool
isFloatFormat Format
format) = Unique -> VirtualReg
VirtualRegI Unique
u
| Bool
otherwise =
case Format
format of
Format
FF32 -> Unique -> VirtualReg
VirtualRegD Unique
u
Format
FF64 -> Unique -> VirtualReg
VirtualRegD Unique
u
Format
_ -> String -> VirtualReg
forall a. HasCallStack => String -> a
panic String
"RV64.mkVirtualReg"
{-# INLINE classOfRealReg #-}
classOfRealReg :: RealReg -> RegClass
classOfRealReg :: RealReg -> RegClass
classOfRealReg (RealRegSingle RegNo
i)
| RegNo
i RegNo -> RegNo -> Bool
forall a. Ord a => a -> a -> Bool
< RegNo
d0RegNo = RegClass
RcInteger
| Bool
otherwise = RegClass
RcDouble
regDotColor :: RealReg -> SDoc
regDotColor :: RealReg -> SDoc
regDotColor RealReg
reg =
case RealReg -> RegClass
classOfRealReg RealReg
reg of
RegClass
RcInteger -> String -> SDoc
forall doc. IsLine doc => String -> doc
text String
"blue"
RegClass
RcFloat -> String -> SDoc
forall doc. IsLine doc => String -> doc
text String
"red"
RegClass
RcDouble -> String -> SDoc
forall doc. IsLine doc => String -> doc
text String
"green"