%
-% (c) The AQUA Project, Glasgow University, 1993-1995
+% (c) The AQUA Project, Glasgow University, 1993-1996
%
\begin{code}
#include "HsVersions.h"
-module StixInteger (
- gmpTake1Return1, gmpTake2Return1, gmpTake2Return2,
- gmpCompare, gmpInteger2Int, gmpInt2Integer, gmpString2Integer,
- encodeFloatingKind, decodeFloatingKind
+module StixInteger (
+ gmpTake1Return1, gmpTake2Return1, gmpTake2Return2, gmpCompare,
+ gmpInteger2Int, gmpInt2Integer, gmpString2Integer,
+ encodeFloatingKind, decodeFloatingKind
) where
-IMPORT_Trace -- ToDo: rm debugging
-
-import AbsCSyn
-import CgCompInfo ( mIN_MP_INT_SIZE )
-import MachDesc
-import Pretty
-import AbsPrel ( PrimOp(..)
- IF_ATTACK_PRAGMAS(COMMA tagOf_PrimOp)
- IF_ATTACK_PRAGMAS(COMMA pprPrimOp)
- )
-import SMRep ( SMRep(..), SMSpecRepKind, SMUpdateKind(..) )
-import Stix
-import SplitUniq
-import Unique
-import Util
-
+IMP_Ubiq(){-uitous-}
+IMPORT_DELOOPER(NcgLoop) ( amodeToStix )
+
+import MachMisc
+import MachRegs
+
+import AbsCSyn -- bits and bobs...
+import CgCompInfo ( mIN_MP_INT_SIZE )
+import Literal ( Literal(..) )
+import OrdList ( OrdList )
+import PrimOp ( PrimOp(..) )
+import PrimRep ( PrimRep(..) )
+import SMRep ( SMRep(..), SMSpecRepKind, SMUpdateKind )
+import Stix ( getUniqLabelNCG, sStLitLbl, stgHp, stgHpLim,
+ StixTree(..), SYN_IE(StixTreeList),
+ CodeSegment, StixReg
+ )
+import StixMacro ( macroCode, heapCheck )
+import UniqSupply ( returnUs, thenUs, SYN_IE(UniqSM) )
+import Util ( panic )
\end{code}
\begin{code}
-
-gmpTake1Return1
- :: Target
- -> [CAddrMode] -- result (3 parts)
- -> FAST_STRING -- function name
- -> [CAddrMode] -- argument (3 parts)
- -> SUniqSM StixTreeList
+gmpTake1Return1
+ :: (CAddrMode,CAddrMode,CAddrMode) -- result (3 parts)
+ -> FAST_STRING -- function name
+ -> (CAddrMode, CAddrMode,CAddrMode,CAddrMode)
+ -- argument (4 parts)
+ -> UniqSM StixTreeList
argument1 = mpStruct 1 -- out here to avoid CAF (sigh)
argument2 = mpStruct 2
result2 = mpStruct 2
result3 = mpStruct 3
result4 = mpStruct 4
-init2 = StCall SLIT("mpz_init") VoidKind [result2]
-init3 = StCall SLIT("mpz_init") VoidKind [result3]
-init4 = StCall SLIT("mpz_init") VoidKind [result4]
-
-gmpTake1Return1 target res rtn arg =
- let [ar,sr,dr] = map (amodeToStix target) res
- [liveness, aa,sa,da] = map (amodeToStix target) arg
- space = mpSpace target 2 1 [sa]
- oldHp = StIndex PtrKind stgHp (StPrim IntNegOp [space])
- safeHp = saveLoc target Hp
- save = StAssign PtrKind safeHp oldHp
- (a1,a2,a3) = toStruct target argument1 (aa,sa,da)
- mpz_op = StCall rtn VoidKind [result2, argument1]
- restore = StAssign PtrKind stgHp safeHp
- (r1,r2,r3) = fromStruct target result2 (ar,sr,dr)
+init2 = StCall SLIT("mpz_init") VoidRep [result2]
+init3 = StCall SLIT("mpz_init") VoidRep [result3]
+init4 = StCall SLIT("mpz_init") VoidRep [result4]
+
+gmpTake1Return1 res@(car,csr,cdr) rtn arg@(clive,caa,csa,cda)
+ = let
+ ar = amodeToStix car
+ sr = amodeToStix csr
+ dr = amodeToStix cdr
+ liveness= amodeToStix clive
+ aa = amodeToStix caa
+ sa = amodeToStix csa
+ da = amodeToStix cda
+
+ space = mpSpace 2 1 [sa]
+ oldHp = StIndex PtrRep stgHp (StPrim IntNegOp [space])
+ safeHp = saveLoc Hp
+ save = StAssign PtrRep safeHp oldHp
+ (a1,a2,a3) = toStruct argument1 (aa,sa,da)
+ mpz_op = StCall rtn VoidRep [result2, argument1]
+ restore = StAssign PtrRep stgHp safeHp
+ (r1,r2,r3) = fromStruct result2 (ar,sr,dr)
in
- heapCheck target liveness space (StInt 0)
- `thenSUs` \ heap_chk ->
-
- returnSUs (heap_chk .
- (\xs -> a1 : a2 : a3 : save : init2 : mpz_op : r1 : r2 : r3 : restore : xs))
-
-gmpTake2Return1
- :: Target
- -> [CAddrMode] -- result (3 parts)
- -> FAST_STRING -- function name
- -> [CAddrMode] -- arguments (3 parts each)
- -> SUniqSM StixTreeList
-
-gmpTake2Return1 target res rtn args =
- let [ar,sr,dr] = map (amodeToStix target) res
- [liveness, aa1,sa1,da1, aa2,sa2,da2] = map (amodeToStix target) args
- space = mpSpace target 3 1 [sa1, sa2]
- oldHp = StIndex PtrKind stgHp (StPrim IntNegOp [space])
- safeHp = saveLoc target Hp
- save = StAssign PtrKind safeHp oldHp
- (a1,a2,a3) = toStruct target argument1 (aa1,sa1,da1)
- (a4,a5,a6) = toStruct target argument2 (aa2,sa2,da2)
- mpz_op = StCall rtn VoidKind [result3, argument1, argument2]
- restore = StAssign PtrKind stgHp safeHp
- (r1,r2,r3) = fromStruct target result3 (ar,sr,dr)
+ heapCheck liveness space (StInt 0) `thenUs` \ heap_chk ->
+
+ returnUs (heap_chk .
+ (\xs -> a1 : a2 : a3 : save : init2 : mpz_op : r1 : r2 : r3 : restore : xs))
+
+gmpTake2Return1
+ :: (CAddrMode,CAddrMode,CAddrMode) -- result (3 parts)
+ -> FAST_STRING -- function name
+ -> (CAddrMode,CAddrMode,CAddrMode,CAddrMode,CAddrMode,CAddrMode,CAddrMode)
+ -- liveness + 2 arguments (3 parts each)
+ -> UniqSM StixTreeList
+
+gmpTake2Return1 res@(car,csr,cdr) rtn args@(clive, caa1,csa1,cda1, caa2,csa2,cda2)
+ = let
+ ar = amodeToStix car
+ sr = amodeToStix csr
+ dr = amodeToStix cdr
+ liveness= amodeToStix clive
+ aa1 = amodeToStix caa1
+ sa1 = amodeToStix csa1
+ da1 = amodeToStix cda1
+ aa2 = amodeToStix caa2
+ sa2 = amodeToStix csa2
+ da2 = amodeToStix cda2
+
+ space = mpSpace 3 1 [sa1, sa2]
+ oldHp = StIndex PtrRep stgHp (StPrim IntNegOp [space])
+ safeHp = saveLoc Hp
+ save = StAssign PtrRep safeHp oldHp
+ (a1,a2,a3) = toStruct argument1 (aa1,sa1,da1)
+ (a4,a5,a6) = toStruct argument2 (aa2,sa2,da2)
+ mpz_op = StCall rtn VoidRep [result3, argument1, argument2]
+ restore = StAssign PtrRep stgHp safeHp
+ (r1,r2,r3) = fromStruct result3 (ar,sr,dr)
in
- heapCheck target liveness space (StInt 0)
- `thenSUs` \ heap_chk ->
+ heapCheck liveness space (StInt 0) `thenUs` \ heap_chk ->
- returnSUs (heap_chk .
- (\xs -> a1 : a2 : a3 : a4 : a5 : a6
- : save : init3 : mpz_op : r1 : r2 : r3 : restore : xs))
+ returnUs (heap_chk .
+ (\xs -> a1 : a2 : a3 : a4 : a5 : a6
+ : save : init3 : mpz_op : r1 : r2 : r3 : restore : xs))
gmpTake2Return2
- :: Target
- -> [CAddrMode] -- results (3 parts each)
+ :: (CAddrMode,CAddrMode,CAddrMode,CAddrMode,CAddrMode,CAddrMode)
+ -- 2 results (3 parts each)
-> FAST_STRING -- function name
- -> [CAddrMode] -- arguments (3 parts each)
- -> SUniqSM StixTreeList
-
-gmpTake2Return2 target res rtn args =
- let [ar1,sr1,dr1, ar2,sr2,dr2] = map (amodeToStix target) res
- [liveness, aa1,sa1,da1, aa2,sa2,da2] = map (amodeToStix target) args
- space = StPrim IntMulOp [mpSpace target 2 1 [sa1, sa2], StInt 2]
- oldHp = StIndex PtrKind stgHp (StPrim IntNegOp [space])
- safeHp = saveLoc target Hp
- save = StAssign PtrKind safeHp oldHp
- (a1,a2,a3) = toStruct target argument1 (aa1,sa1,da1)
- (a4,a5,a6) = toStruct target argument2 (aa2,sa2,da2)
- mpz_op = StCall rtn VoidKind [result3, result4, argument1, argument2]
- restore = StAssign PtrKind stgHp safeHp
- (r1,r2,r3) = fromStruct target result3 (ar1,sr1,dr1)
- (r4,r5,r6) = fromStruct target result4 (ar2,sr2,dr2)
+ -> (CAddrMode,CAddrMode,CAddrMode,CAddrMode,CAddrMode,CAddrMode,CAddrMode)
+ -- liveness + 2 arguments (3 parts each)
+ -> UniqSM StixTreeList
+
+gmpTake2Return2 res@(car1,csr1,cdr1, car2,csr2,cdr2)
+ rtn args@(clive, caa1,csa1,cda1, caa2,csa2,cda2)
+ = let
+ ar1 = amodeToStix car1
+ sr1 = amodeToStix csr1
+ dr1 = amodeToStix cdr1
+ ar2 = amodeToStix car2
+ sr2 = amodeToStix csr2
+ dr2 = amodeToStix cdr2
+ liveness= amodeToStix clive
+ aa1 = amodeToStix caa1
+ sa1 = amodeToStix csa1
+ da1 = amodeToStix cda1
+ aa2 = amodeToStix caa2
+ sa2 = amodeToStix csa2
+ da2 = amodeToStix cda2
+
+ space = StPrim IntMulOp [mpSpace 2 1 [sa1, sa2], StInt 2]
+ oldHp = StIndex PtrRep stgHp (StPrim IntNegOp [space])
+ safeHp = saveLoc Hp
+ save = StAssign PtrRep safeHp oldHp
+ (a1,a2,a3) = toStruct argument1 (aa1,sa1,da1)
+ (a4,a5,a6) = toStruct argument2 (aa2,sa2,da2)
+ mpz_op = StCall rtn VoidRep [result3, result4, argument1, argument2]
+ restore = StAssign PtrRep stgHp safeHp
+ (r1,r2,r3) = fromStruct result3 (ar1,sr1,dr1)
+ (r4,r5,r6) = fromStruct result4 (ar2,sr2,dr2)
in
- heapCheck target liveness space (StInt 0)
- `thenSUs` \ heap_chk ->
-
- returnSUs (heap_chk .
- (\xs -> a1 : a2 : a3 : a4 : a5 : a6
- : save : init3 : init4 : mpz_op
- : r1 : r2 : r3 : r4 : r5 : r6 : restore : xs))
+ heapCheck liveness space (StInt 0) `thenUs` \ heap_chk ->
+ returnUs (heap_chk .
+ (\xs -> a1 : a2 : a3 : a4 : a5 : a6
+ : save : init3 : init4 : mpz_op
+ : r1 : r2 : r3 : r4 : r5 : r6 : restore : xs))
\end{code}
-Although gmpCompare doesn't allocate space, it does temporarily use some
-space just beyond the heap pointer. This is safe, because the enclosing
-routine has already guaranteed that this space will be available.
-(See ``primOpHeapRequired.'')
+Although gmpCompare doesn't allocate space, it does temporarily use
+some space just beyond the heap pointer. This is safe, because the
+enclosing routine has already guaranteed that this space will be
+available. (See ``primOpHeapRequired.'')
\begin{code}
+gmpCompare
+ :: CAddrMode -- result (boolean)
+ -> (CAddrMode,CAddrMode,CAddrMode,CAddrMode,CAddrMode,CAddrMode,CAddrMode)
+ -- alloc hp + 2 arguments (3 parts each)
+ -> UniqSM StixTreeList
+
+gmpCompare res args@(chp, caa1,csa1,cda1, caa2,csa2,cda2)
+ = let
+ result = amodeToStix res
+ hp = amodeToStix chp
+ aa1 = amodeToStix caa1
+ sa1 = amodeToStix csa1
+ da1 = amodeToStix cda1
+ aa2 = amodeToStix caa2
+ sa2 = amodeToStix csa2
+ da2 = amodeToStix cda2
-gmpCompare
- :: Target
- -> CAddrMode -- result (boolean)
- -> [CAddrMode] -- arguments (3 parts each)
- -> SUniqSM StixTreeList
-
-gmpCompare target res args =
- let result = amodeToStix target res
- [hp, aa1,sa1,da1, aa2,sa2,da2] = map (amodeToStix target) args
argument1 = hp
- argument2 = StIndex IntKind hp (StInt (toInteger mpIntSize))
- (a1,a2,a3) = toStruct target argument1 (aa1,sa1,da1)
- (a4,a5,a6) = toStruct target argument2 (aa2,sa2,da2)
- mpz_cmp = StCall SLIT("mpz_cmp") IntKind [argument1, argument2]
- r1 = StAssign IntKind result mpz_cmp
+ argument2 = StIndex IntRep hp (StInt (toInteger mpIntSize))
+ (a1,a2,a3) = toStruct argument1 (aa1,sa1,da1)
+ (a4,a5,a6) = toStruct argument2 (aa2,sa2,da2)
+ mpz_cmp = StCall SLIT("mpz_cmp") IntRep [argument1, argument2]
+ r1 = StAssign IntRep result mpz_cmp
in
- returnSUs (\xs -> a1 : a2 : a3 : a4 : a5 : a6 : r1 : xs)
-
+ returnUs (\xs -> a1 : a2 : a3 : a4 : a5 : a6 : r1 : xs)
\end{code}
See the comment above regarding the heap check (or lack thereof).
\begin{code}
-
-gmpInteger2Int
- :: Target
- -> CAddrMode -- result
- -> [CAddrMode] -- argument (3 parts)
- -> SUniqSM StixTreeList
-
-gmpInteger2Int target res args =
- let result = amodeToStix target res
- [hp, aa,sa,da] = map (amodeToStix target) args
- (a1,a2,a3) = toStruct target hp (aa,sa,da)
- mpz_get_si = StCall SLIT("mpz_get_si") IntKind [hp]
- r1 = StAssign IntKind result mpz_get_si
+gmpInteger2Int
+ :: CAddrMode -- result
+ -> (CAddrMode, CAddrMode,CAddrMode,CAddrMode) -- alloc hp + argument (3 parts)
+ -> UniqSM StixTreeList
+
+gmpInteger2Int res args@(chp, caa,csa,cda)
+ = let
+ result = amodeToStix res
+ hp = amodeToStix chp
+ aa = amodeToStix caa
+ sa = amodeToStix csa
+ da = amodeToStix cda
+
+ (a1,a2,a3) = toStruct hp (aa,sa,da)
+ mpz_get_si = StCall SLIT("mpz_get_si") IntRep [hp]
+ r1 = StAssign IntRep result mpz_get_si
in
- returnSUs (\xs -> a1 : a2 : a3 : r1 : xs)
+ returnUs (\xs -> a1 : a2 : a3 : r1 : xs)
arrayOfData_info = sStLitLbl SLIT("ArrayOfData_info")
-gmpInt2Integer
- :: Target
- -> [CAddrMode] -- result (3 parts)
- -> [CAddrMode] -- allocated heap, int to convert
- -> SUniqSM StixTreeList
-
-gmpInt2Integer target res args@[_, n] =
- getUniqLabelNCG `thenSUs` \ zlbl ->
- getUniqLabelNCG `thenSUs` \ nlbl ->
- getUniqLabelNCG `thenSUs` \ jlbl ->
- let [ar,sr,dr] = map (amodeToStix target) res
- [hp, i] = map (amodeToStix target) args
- h1 = StAssign PtrKind (StInd PtrKind hp) arrayOfData_info
- size = varHeaderSize target (DataRep 0) + mIN_MP_INT_SIZE
- h2 = StAssign IntKind (StInd IntKind (StIndex IntKind hp (StInt 1)))
- (StInt (toInteger size))
- cts = StInd IntKind (StIndex IntKind hp (dataHS target))
- test1 = StPrim IntEqOp [i, StInt 0]
- test2 = StPrim IntLtOp [i, StInt 0]
- cjmp1 = StCondJump zlbl test1
- cjmp2 = StCondJump nlbl test2
+--------------
+gmpInt2Integer
+ :: (CAddrMode, CAddrMode, CAddrMode) -- result (3 parts)
+ -> (CAddrMode, CAddrMode) -- allocated heap, Int to convert
+ -> UniqSM StixTreeList
+
+gmpInt2Integer res@(car,csr,cdr) args@(chp, n)
+ = getUniqLabelNCG `thenUs` \ zlbl ->
+ getUniqLabelNCG `thenUs` \ nlbl ->
+ getUniqLabelNCG `thenUs` \ jlbl ->
+ let
+ ar = amodeToStix car
+ sr = amodeToStix csr
+ dr = amodeToStix cdr
+ hp = amodeToStix chp
+ i = amodeToStix n
+
+ h1 = StAssign PtrRep (StInd PtrRep hp) arrayOfData_info
+ size = varHdrSizeInWords (DataRep 0) + mIN_MP_INT_SIZE
+ h2 = StAssign IntRep (StInd IntRep (StIndex IntRep hp (StInt 1)))
+ (StInt (toInteger size))
+ cts = StInd IntRep (StIndex IntRep hp dataHS)
+ test1 = StPrim IntEqOp [i, StInt 0]
+ test2 = StPrim IntLtOp [i, StInt 0]
+ cjmp1 = StCondJump zlbl test1
+ cjmp2 = StCondJump nlbl test2
-- positive
- p1 = StAssign IntKind cts i
- p2 = StAssign IntKind sr (StInt 1)
- p3 = StJump (StCLbl jlbl)
+ p1 = StAssign IntRep cts i
+ p2 = StAssign IntRep sr (StInt 1)
+ p3 = StJump (StCLbl jlbl)
-- negative
- n0 = StLabel nlbl
- n1 = StAssign IntKind cts (StPrim IntNegOp [i])
- n2 = StAssign IntKind sr (StInt (-1))
- n3 = StJump (StCLbl jlbl)
+ n0 = StLabel nlbl
+ n1 = StAssign IntRep cts (StPrim IntNegOp [i])
+ n2 = StAssign IntRep sr (StInt (-1))
+ n3 = StJump (StCLbl jlbl)
-- zero
- z0 = StLabel zlbl
- z1 = StAssign IntKind sr (StInt 0)
- -- everybody
- a0 = StLabel jlbl
- a1 = StAssign IntKind ar (StInt 1)
- a2 = StAssign PtrKind dr hp
+ z0 = StLabel zlbl
+ z1 = StAssign IntRep sr (StInt 0)
+ -- everybody
+ a0 = StLabel jlbl
+ a1 = StAssign IntRep ar (StInt 1)
+ a2 = StAssign PtrRep dr hp
in
- returnSUs (\xs ->
- case n of
- CLit (MachInt c _) ->
- if c == 0 then h1 : h2 : z1 : a1 : a2 : xs
- else if c > 0 then h1 : h2 : p1 : p2 : a1 : a2 : xs
- else h1 : h2 : n1 : n2 : a1 : a2 : xs
- _ -> h1 : h2 : cjmp1 : cjmp2 : p1 : p2 : p3
- : n0 : n1 : n2 : n3 : z0 : z1
- : a0 : a1 : a2 : xs)
-
-gmpString2Integer
- :: Target
- -> [CAddrMode] -- result (3 parts)
- -> [CAddrMode] -- liveness, string
- -> SUniqSM StixTreeList
-
-gmpString2Integer target res [liveness, str] =
- getUniqLabelNCG `thenSUs` \ ulbl ->
- let [ar,sr,dr] = map (amodeToStix target) res
+ returnUs (\xs ->
+ case n of
+ CLit (MachInt c _) ->
+ if c == 0 then h1 : h2 : z1 : a1 : a2 : xs
+ else if c > 0 then h1 : h2 : p1 : p2 : a1 : a2 : xs
+ else h1 : h2 : n1 : n2 : a1 : a2 : xs
+ _ -> h1 : h2 : cjmp1 : cjmp2 : p1 : p2 : p3
+ : n0 : n1 : n2 : n3 : z0 : z1
+ : a0 : a1 : a2 : xs)
+
+gmpString2Integer
+ :: (CAddrMode, CAddrMode, CAddrMode) -- result (3 parts)
+ -> (CAddrMode, CAddrMode) -- liveness, string
+ -> UniqSM StixTreeList
+
+gmpString2Integer res@(car,csr,cdr) (liveness, str)
+ = getUniqLabelNCG `thenUs` \ ulbl ->
+ let
+ ar = amodeToStix car
+ sr = amodeToStix csr
+ dr = amodeToStix cdr
+
len = case str of
(CString s) -> _LENGTH_ s
(CLit (MachStr s)) -> _LENGTH_ s
_ -> panic "String2Integer"
space = len `quot` 8 + 17 + mpIntSize +
- varHeaderSize target (DataRep 0) + fixedHeaderSize target
- oldHp = StIndex PtrKind stgHp (StInt (toInteger (-space)))
- safeHp = saveLoc target Hp
- save = StAssign PtrKind safeHp oldHp
- result = StIndex IntKind stgHpLim (StInt (toInteger (-mpIntSize)))
- set_str = StCall SLIT("mpz_init_set_str") IntKind
- [result, amodeToStix target str, StInt 10]
+ varHdrSizeInWords (DataRep 0) + fixedHdrSizeInWords
+ oldHp = StIndex PtrRep stgHp (StInt (toInteger (-space)))
+ safeHp = saveLoc Hp
+ save = StAssign PtrRep safeHp oldHp
+ result = StIndex IntRep stgHpLim (StInt (toInteger (-mpIntSize)))
+ set_str = StCall SLIT("mpz_init_set_str") IntRep
+ [result, amodeToStix str, StInt 10]
test = StPrim IntEqOp [set_str, StInt 0]
cjmp = StCondJump ulbl test
- abort = StCall SLIT("abort") VoidKind []
+ abort = StCall SLIT("abort") VoidRep []
join = StLabel ulbl
- restore = StAssign PtrKind stgHp safeHp
- (a1,a2,a3) = fromStruct target result (ar,sr,dr)
+ restore = StAssign PtrRep stgHp safeHp
+ (a1,a2,a3) = fromStruct result (ar,sr,dr)
in
- macroCode target HEAP_CHK [liveness, mkIntCLit space, mkIntCLit_0]
- `thenSUs` \ heap_chk ->
+ macroCode HEAP_CHK [liveness, mkIntCLit space, mkIntCLit_0]
+ `thenUs` \ heap_chk ->
- returnSUs (heap_chk .
- (\xs -> save : cjmp : abort : join : a1 : a2 : a3 : restore : xs))
+ returnUs (heap_chk .
+ (\xs -> save : cjmp : abort : join : a1 : a2 : a3 : restore : xs))
mkIntCLit_0 = mkIntCLit 0 -- out here to avoid CAF (sigh)
-encodeFloatingKind
- :: PrimKind
- -> Target
- -> [CAddrMode] -- result
- -> [CAddrMode] -- heap pointer for result, integer argument (3 parts), exponent
- -> SUniqSM StixTreeList
-
-encodeFloatingKind pk target [res] args =
- let result = amodeToStix target res
- [hp, aa,sa,da, expon] = map (amodeToStix target) args
- pk' = if sizeof target FloatKind == sizeof target DoubleKind then DoubleKind
- else pk
- (a1,a2,a3) = toStruct target hp (aa,sa,da)
+encodeFloatingKind
+ :: PrimRep
+ -> CAddrMode -- result
+ -> (CAddrMode,CAddrMode,CAddrMode,CAddrMode,CAddrMode)
+ -- heap pointer for result, integer argument (3 parts), exponent
+ -> UniqSM StixTreeList
+
+encodeFloatingKind pk res args@(chp, caa,csa,cda, cexpon)
+ = let
+ result = amodeToStix res
+ hp = amodeToStix chp
+ aa = amodeToStix caa
+ sa = amodeToStix csa
+ da = amodeToStix cda
+ expon = amodeToStix cexpon
+
+ pk' = if sizeOf FloatRep == sizeOf DoubleRep
+ then DoubleRep
+ else pk
+ (a1,a2,a3) = toStruct hp (aa,sa,da)
fn = case pk' of
- FloatKind -> SLIT("__encodeFloat")
- DoubleKind -> SLIT("__encodeDouble")
+ FloatRep -> SLIT("__encodeFloat")
+ DoubleRep -> SLIT("__encodeDouble")
_ -> panic "encodeFloatingKind"
encode = StCall fn pk' [hp, expon]
r1 = StAssign pk' result encode
in
- returnSUs (\xs -> a1 : a2 : a3 : r1 : xs)
-
-decodeFloatingKind
- :: PrimKind
- -> Target
- -> [CAddrMode] -- exponent result, integer result (3 parts)
- -> [CAddrMode] -- heap pointer for exponent, floating argument
- -> SUniqSM StixTreeList
-
-decodeFloatingKind pk target res args =
- let [exponr,ar,sr,dr] = map (amodeToStix target) res
- [hp, arg] = map (amodeToStix target) args
- pk' = if sizeof target FloatKind == sizeof target DoubleKind then DoubleKind
- else pk
- setup = StAssign PtrKind mpData_mantissa (StIndex IntKind hp (StInt 1))
+ returnUs (\xs -> a1 : a2 : a3 : r1 : xs)
+
+decodeFloatingKind
+ :: PrimRep
+ -> (CAddrMode, CAddrMode, CAddrMode, CAddrMode)
+ -- exponent result, integer result (3 parts)
+ -> (CAddrMode, CAddrMode)
+ -- heap pointer for exponent, floating argument
+ -> UniqSM StixTreeList
+
+decodeFloatingKind pk res@(cexponr,car,csr,cdr) args@(chp, carg)
+ = let
+ exponr = amodeToStix cexponr
+ ar = amodeToStix car
+ sr = amodeToStix csr
+ dr = amodeToStix cdr
+ hp = amodeToStix chp
+ arg = amodeToStix carg
+
+ pk' = if sizeOf FloatRep == sizeOf DoubleRep
+ then DoubleRep
+ else pk
+ setup = StAssign PtrRep mpData_mantissa (StIndex IntRep hp (StInt 1))
fn = case pk' of
- FloatKind -> SLIT("__decodeFloat")
- DoubleKind -> SLIT("__decodeDouble")
+ FloatRep -> SLIT("__decodeFloat")
+ DoubleRep -> SLIT("__decodeDouble")
_ -> panic "decodeFloatingKind"
- decode = StCall fn VoidKind [mantissa, hp, arg]
- (a1,a2,a3) = fromStruct target mantissa (ar,sr,dr)
- a4 = StAssign IntKind exponr (StInd IntKind hp)
+ decode = StCall fn VoidRep [mantissa, hp, arg]
+ (a1,a2,a3) = fromStruct mantissa (ar,sr,dr)
+ a4 = StAssign IntRep exponr (StInd IntRep hp)
in
- returnSUs (\xs -> setup : decode : a1 : a2 : a3 : a4 : xs)
+ returnUs (\xs -> setup : decode : a1 : a2 : a3 : a4 : xs)
mantissa = mpStruct 1 -- out here to avoid CAF (sigh)
mpData_mantissa = mpData mantissa
Support for the Gnu GMP multi-precision package.
\begin{code}
-
mpIntSize = 3 :: Int
mpAlloc, mpSize, mpData :: StixTree -> StixTree
-mpAlloc base = StInd IntKind base
-mpSize base = StInd IntKind (StIndex IntKind base (StInt 1))
-mpData base = StInd PtrKind (StIndex IntKind base (StInt 2))
+mpAlloc base = StInd IntRep base
+mpSize base = StInd IntRep (StIndex IntRep base (StInt 1))
+mpData base = StInd PtrRep (StIndex IntRep base (StInt 2))
-mpSpace
- :: Target
- -> Int -- gmp structures needed
+mpSpace
+ :: Int -- gmp structures needed
-> Int -- number of results
-> [StixTree] -- sizes to add for estimating result size
-> StixTree -- total space
-mpSpace target gmp res sizes =
- foldr sum (StPrim IntAddOp [fixed, hdrs]) sizes
+mpSpace gmp res sizes
+ = foldr sum (StPrim IntAddOp [fixed, hdrs]) sizes
where
sum x y = StPrim IntAddOp [StPrim IntAbsOp [x], y]
fixed = StInt (toInteger (17 * res + gmp * mpIntSize))
- hdrs = StPrim IntMulOp [dataHS target, StInt (toInteger res)]
-
+ hdrs = StPrim IntMulOp [dataHS, StInt (toInteger res)]
\end{code}
-We don't have a truly portable way of allocating local temporaries, so we
-cheat and use space at the end of the heap. (Thus, negative offsets from
-HpLim are our temporaries.) Note that you must have performed a heap check
-which includes the space needed for these temporaries before you use them.
+We don't have a truly portable way of allocating local temporaries, so
+we cheat and use space at the end of the heap. (Thus, negative
+offsets from HpLim are our temporaries.) Note that you must have
+performed a heap check which includes the space needed for these
+temporaries before you use them.
\begin{code}
-
mpStruct :: Int -> StixTree
-mpStruct n = StIndex IntKind stgHpLim (StInt (toInteger (-(n * mpIntSize))))
-
-toStruct
- :: Target
- -> StixTree
- -> (StixTree, StixTree, StixTree)
- -> (StixTree, StixTree, StixTree)
-
-toStruct target str (alloc,size,arr) =
- let
- f1 = StAssign IntKind (mpAlloc str) alloc
- f2 = StAssign IntKind (mpSize str) size
- f3 = StAssign PtrKind (mpData str) (StIndex PtrKind arr (dataHS target))
+mpStruct n = StIndex IntRep stgHpLim (StInt (toInteger (-(n * mpIntSize))))
+
+toStruct
+ :: StixTree
+ -> (StixTree, StixTree, StixTree)
+ -> (StixTree, StixTree, StixTree)
+
+toStruct str (alloc,size,arr)
+ = let
+ f1 = StAssign IntRep (mpAlloc str) alloc
+ f2 = StAssign IntRep (mpSize str) size
+ f3 = StAssign PtrRep (mpData str) (StIndex PtrRep arr dataHS)
in
- (f1, f2, f3)
-
-fromStruct
- :: Target
- -> StixTree
- -> (StixTree, StixTree, StixTree)
- -> (StixTree, StixTree, StixTree)
-
-fromStruct target str (alloc,size,arr) =
- let
- e1 = StAssign IntKind alloc (mpAlloc str)
- e2 = StAssign IntKind size (mpSize str)
- e3 = StAssign PtrKind arr (StIndex PtrKind (mpData str)
- (StPrim IntNegOp [dataHS target]))
+ (f1, f2, f3)
+
+fromStruct
+ :: StixTree
+ -> (StixTree, StixTree, StixTree)
+ -> (StixTree, StixTree, StixTree)
+
+fromStruct str (alloc,size,arr)
+ = let
+ e1 = StAssign IntRep alloc (mpAlloc str)
+ e2 = StAssign IntRep size (mpSize str)
+ e3 = StAssign PtrRep arr (StIndex PtrRep (mpData str)
+ (StPrim IntNegOp [dataHS]))
in
- (e1, e2, e3)
-
-
+ (e1, e2, e3)
\end{code}
projects / ghc-hetmet.git / blobdiff