structure should not be too overwhelming.
\begin{code}
+module MachCode ( stmt2Instrs, asmVoid, InstrList ) where
+
#include "HsVersions.h"
#include "nativeGen/NCG.h"
-module MachCode ( stmt2Instrs, asmVoid, SYN_IE(InstrList) ) where
-
-IMP_Ubiq(){-uitious-}
-
import MachMisc -- may differ per-platform
import MachRegs
import CLabel ( isAsmTemp, CLabel )
import Maybes ( maybeToBool, expectJust )
import OrdList -- quite a bit of it
-import Outputable ( PprStyle(..) )
-import Pretty ( ptext, rational )
import PrimRep ( isFloatingRep, PrimRep(..) )
import PrimOp ( PrimOp(..), showPrimOp )
import Stix ( getUniqLabelNCG, StixTree(..),
StixReg(..), CodeSegment(..)
)
import UniqSupply ( returnUs, thenUs, mapUs, mapAndUnzipUs,
- mapAccumLUs, SYN_IE(UniqSM)
+ mapAccumLUs, UniqSM
)
-import Util ( panic, assertPanic )
+import Outputable
\end{code}
Code extractor for an entire stix tree---stix statement level.
src1 = registerName register tmp
src2 = ImmInt (fromInteger y)
code__2 dst = code .
- mkSeqInstr (LEA sz (OpAddr (Address (Just src1) Nothing src2)) (OpReg dst))
+ mkSeqInstr (LEA sz (OpAddr (AddrBaseIndex (Just src1) Nothing src2)) (OpReg dst))
in
returnUs (Any IntRep code__2)
code2 = registerCode register2 tmp2 asmVoid
src2 = registerName register2 tmp2
code__2 dst = asmParThen [code1, code2] .
- mkSeqInstr (LEA sz (OpAddr (Address (Just src1) (Just (src2,1)) (ImmInt 0))) (OpReg dst))
+ mkSeqInstr (LEA sz (OpAddr (AddrBaseIndex (Just src1) (Just (src2,1)) (ImmInt 0))) (OpReg dst))
in
returnUs (Any IntRep code__2)
src1 = registerName register tmp
src2 = ImmInt (-(fromInteger y))
code__2 dst = code .
- mkSeqInstr (LEA sz (OpAddr (Address (Just src1) Nothing src2)) (OpReg dst))
+ mkSeqInstr (LEA sz (OpAddr (AddrBaseIndex (Just src1) Nothing src2)) (OpReg dst))
in
returnUs (Any IntRep code__2)
src2 = ImmInt (fromInteger i)
code__2 = asmParThen [code1] .
mkSeqInstrs [-- we put src2 in (ebx)
- MOV L (OpImm src2) (OpAddr (Address (Just ebx) Nothing (ImmInt OFFSET_R1))),
+ MOV L (OpImm src2) (OpAddr (AddrBaseIndex (Just ebx) Nothing (ImmInt OFFSET_R1))),
MOV L (OpReg src1) (OpReg eax),
CLTD,
- IDIV sz (OpAddr (Address (Just ebx) Nothing (ImmInt OFFSET_R1)))]
+ IDIV sz (OpAddr (AddrBaseIndex (Just ebx) Nothing (ImmInt OFFSET_R1)))]
in
returnUs (Fixed IntRep (if is_division then eax else edx) code__2)
CLTD,
IDIV sz (OpReg src2)]
else mkSeqInstrs [ -- we put src2 in (ebx)
- MOV L (OpReg src2) (OpAddr (Address (Just ebx) Nothing (ImmInt OFFSET_R1))),
+ MOV L (OpReg src2) (OpAddr (AddrBaseIndex (Just ebx) Nothing (ImmInt OFFSET_R1))),
MOV L (OpReg src1) (OpReg eax),
CLTD,
- IDIV sz (OpAddr (Address (Just ebx) Nothing (ImmInt OFFSET_R1)))]
+ IDIV sz (OpAddr (AddrBaseIndex (Just ebx) Nothing (ImmInt OFFSET_R1)))]
in
returnUs (Fixed IntRep (if is_division then eax else edx) code__2)
-----------------------
DoubleSinhOp -> (False, SLIT("sinh"))
DoubleCoshOp -> (False, SLIT("cosh"))
DoubleTanhOp -> (False, SLIT("tanh"))
- _ -> panic ("Monadic PrimOp not handled: " ++ showPrimOp PprDebug primop)
+ _ -> panic ("Monadic PrimOp not handled: " ++ showPrimOp primop)
getRegister (StPrim primop [x, y]) -- dyadic PrimOps
= case primop of
@Amode@s: Memory addressing modes passed up the tree.
\begin{code}
-data Amode = Amode Address InstrBlock
+data Amode = Amode MachRegsAddr InstrBlock
amodeAddr (Amode addr _) = addr
amodeCode (Amode _ code) = code
reg = registerName register tmp
off = ImmInt (-(fromInteger i))
in
- returnUs (Amode (Address (Just reg) Nothing off) code)
+ returnUs (Amode (AddrBaseIndex (Just reg) Nothing off) code)
getAmode (StPrim IntAddOp [x, StInt i])
| maybeToBool imm
reg = registerName register tmp
off = ImmInt (fromInteger i)
in
- returnUs (Amode (Address (Just reg) Nothing off) code)
+ returnUs (Amode (AddrBaseIndex (Just reg) Nothing off) code)
getAmode (StPrim IntAddOp [x, y])
= getNewRegNCG PtrRep `thenUs` \ tmp1 ->
reg2 = registerName register2 tmp2
code__2 = asmParThen [code1, code2]
in
- returnUs (Amode (Address (Just reg1) (Just (reg2,4)) (ImmInt 0)) code__2)
+ returnUs (Amode (AddrBaseIndex (Just reg1) (Just (reg2,4)) (ImmInt 0)) code__2)
getAmode leaf
| maybeToBool imm
reg = registerName register tmp
off = Nothing
in
- returnUs (Amode (Address (Just reg) Nothing (ImmInt 0)) code)
+ returnUs (Amode (AddrBaseIndex (Just reg) Nothing (ImmInt 0)) code)
#endif {- i386_TARGET_ARCH -}
-- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
call = [MOV L (OpImm (ImmInt (fromInteger i))) (OpReg eax),
MOV L (OpImm (ImmCLbl lbl))
-- this is hardwired
- (OpAddr (Address (Just ebx) Nothing (ImmInt 104))),
+ (OpAddr (AddrBaseIndex (Just ebx) Nothing (ImmInt 104))),
JMP (OpImm (ImmLit (ptext (if underscorePrefix then (SLIT ("_PerformGC_wrapper")) else (SLIT ("PerformGC_wrapper")))))),
LABEL lbl]
in
= mapUs get_call_arg args `thenUs` \ argCode ->
let
nargs = length args
+
{- OLD: Since there's no attempt at stealing %esp at the moment,
restoring %esp from MainRegTable.rCstkptr is not done. -- SOF 97/09
(ditto for saving away old-esp in MainRegTable.Hp (!!) )
- code1 = asmParThen [asmSeq [ -- MOV L (OpReg esp) (OpAddr (Address (Just ebx) Nothing (ImmInt 80))),
- MOV L (OpAddr (Address (Just ebx) Nothing (ImmInt 100))) (OpReg esp)
+ code1 = asmParThen [asmSeq [ -- MOV L (OpReg esp) (OpAddr (AddrBaseIndex (Just ebx) Nothing (ImmInt 80))),
+ MOV L (OpAddr (AddrBaseIndex (Just ebx) Nothing (ImmInt 100))) (OpReg esp)
]
]
-}
ADD L (OpImm (ImmInt (nargs * 4))) (OpReg esp) --,
-- Don't restore %esp (see above)
- -- MOV L (OpAddr (Address (Just ebx) Nothing (ImmInt 80))) (OpReg esp)
+ -- MOV L (OpAddr (AddrBaseIndex (Just ebx) Nothing (ImmInt 80))) (OpReg esp)
]
in
returnSeq (code2) call
code__2 dst = code . mkSeqInstrs [
-- to fix: should spill instead of using R1
- MOV L (OpReg src) (OpAddr (Address (Just ebx) Nothing (ImmInt OFFSET_R1))),
- FILD (primRepToSize pk) (Address (Just ebx) Nothing (ImmInt OFFSET_R1)) dst]
+ MOV L (OpReg src) (OpAddr (AddrBaseIndex (Just ebx) Nothing (ImmInt OFFSET_R1))),
+ FILD (primRepToSize pk) (AddrBaseIndex (Just ebx) Nothing (ImmInt OFFSET_R1)) dst]
in
returnUs (Any pk code__2)
code__2 dst = let
in code . mkSeqInstrs [
FRNDINT,
- FIST L (Address (Just ebx) Nothing (ImmInt OFFSET_R1)),
- MOV L (OpAddr (Address (Just ebx) Nothing (ImmInt OFFSET_R1))) (OpReg dst)]
+ FIST L (AddrBaseIndex (Just ebx) Nothing (ImmInt OFFSET_R1)),
+ MOV L (OpAddr (AddrBaseIndex (Just ebx) Nothing (ImmInt OFFSET_R1))) (OpReg dst)]
in
returnUs (Any IntRep code__2)