X-Git-Url: http://git.megacz.com/?p=ghc-hetmet.git;a=blobdiff_plain;f=compiler%2FcodeGen%2FStgCmmPrim.hs;h=afe0c39d988faf53fa9aaead9d4ee7594f5466f2;hp=1d2f0db14218256e31a24a7ccf3b8c5e325878bf;hb=d0faaa6fa0cecd23c5670fd199e9206275313666;hpb=e239aa2329416a2822fcc03c4ed486c7d28739e1

diff --git a/compiler/codeGen/StgCmmPrim.hs b/compiler/codeGen/StgCmmPrim.hs
index 1d2f0db..afe0c39 100644
--- a/compiler/codeGen/StgCmmPrim.hs
+++ b/compiler/codeGen/StgCmmPrim.hs
@@ -18,9 +18,10 @@ import StgCmmEnv
 import StgCmmMonad
 import StgCmmUtils
 
-import MkZipCfgCmm
+import MkGraph
 import StgSyn
-import Cmm
+import CmmDecl
+import CmmExpr
 import Type	( Type, tyConAppTyCon )
 import TyCon
 import CLabel
@@ -28,6 +29,7 @@ import CmmUtils
 import PrimOp
 import SMRep
 import Constants
+import Module
 import FastString
 import Outputable
 
@@ -82,7 +84,7 @@ cgOpApp (StgPrimOp primop) args res_ty
   | primOpOutOfLine primop
   = do	{ cmm_args <- getNonVoidArgAmodes args
         ; let fun = CmmLit (CmmLabel (mkRtsPrimOpLabel primop))
-        ; emitCall PrimOpCall fun cmm_args }
+        ; emitCall (PrimOpCall, PrimOpReturn) fun cmm_args }
 
   | ReturnsPrim VoidRep <- result_info
   = do cgPrimOp [] primop args 
@@ -110,6 +112,11 @@ cgOpApp (StgPrimOp primop) args res_ty
   where
      result_info = getPrimOpResultInfo primop
 
+cgOpApp (StgPrimCallOp primcall) args _res_ty
+  = do	{ cmm_args <- getNonVoidArgAmodes args
+        ; let fun = CmmLit (CmmLabel (mkPrimCallLabel primcall))
+        ; emitCall (PrimOpCall, PrimOpReturn) fun cmm_args }
+
 ---------------------------------------------------
 cgPrimOp   :: [LocalReg]	-- where to put the results
 	   -> PrimOp		-- the op
@@ -196,7 +203,7 @@ emitPrimOp [res] ParOp [arg]
 	-- later, we might want to inline it.
     emitCCall
 	[(res,NoHint)]
-    	(CmmLit (CmmLabel (mkRtsCodeLabel (sLit "newSpark"))))
+    	(CmmLit (CmmLabel (mkCmmCodeLabel rtsPackageId (fsLit "newSpark"))))
 	[(CmmReg (CmmGlobal BaseReg), AddrHint), (arg,AddrHint)] 
 
 emitPrimOp [res] ReadMutVarOp [mutv]
@@ -211,23 +218,20 @@ emitPrimOp [] WriteMutVarOp [mutv,var]
 		[(CmmReg (CmmGlobal BaseReg), AddrHint), (mutv,AddrHint)]
 
 --  #define sizzeofByteArrayzh(r,a) \
---     r = (((StgArrWords *)(a))->words * sizeof(W_))
+--     r = ((StgArrWords *)(a))->bytes
 emitPrimOp [res] SizeofByteArrayOp [arg]
    = emit $
-	mkAssign (CmmLocal res) (CmmMachOp mo_wordMul [
-			  cmmLoadIndexW arg fixedHdrSize bWord,
-			  CmmLit (mkIntCLit wORD_SIZE)
-			])
+	mkAssign (CmmLocal res) (cmmLoadIndexW arg fixedHdrSize bWord)
 
 --  #define sizzeofMutableByteArrayzh(r,a) \
---      r = (((StgArrWords *)(a))->words * sizeof(W_))
+--      r = ((StgArrWords *)(a))->bytes
 emitPrimOp [res] SizeofMutableByteArrayOp [arg]
    = emitPrimOp [res] SizeofByteArrayOp [arg]
 
 
 --  #define touchzh(o)                  /* nothing */
-emitPrimOp [] TouchOp [_arg]
-   = nopC
+emitPrimOp res@[] TouchOp args@[_arg]
+   = do emitPrimCall res MO_Touch args
 
 --  #define byteArrayContentszh(r,a) r = BYTE_ARR_CTS(a)
 emitPrimOp [res] ByteArrayContents_Char [arg]
@@ -283,6 +287,11 @@ emitPrimOp [r] ReadArrayOp  [obj,ix]    = doReadPtrArrayOp r obj ix
 emitPrimOp [r] IndexArrayOp [obj,ix]    = doReadPtrArrayOp r obj ix
 emitPrimOp []  WriteArrayOp [obj,ix,v]  = doWritePtrArrayOp obj ix v
 
+emitPrimOp [res] SizeofArrayOp [arg]
+   = emit $	mkAssign (CmmLocal res) (cmmLoadIndexW arg (fixedHdrSize + oFFSET_StgMutArrPtrs_ptrs) bWord)
+emitPrimOp [res] SizeofMutableArrayOp [arg]
+   = emitPrimOp [res] SizeofArrayOp [arg]
+
 -- IndexXXXoffAddr
 
 emitPrimOp res IndexOffAddrOp_Char      args = doIndexOffAddrOp (Just mo_u_8ToWord) b8 res args
@@ -407,9 +416,9 @@ emitPrimOp [res] op [arg]
    = emit (mkAssign (CmmLocal res) $
 	   CmmMachOp (mop rep wordWidth) [CmmMachOp (mop wordWidth rep) [arg]])
 
-emitPrimOp [res] op args
+emitPrimOp r@[res] op args
    | Just prim <- callishOp op
-   = do emitPrimCall res prim args
+   = do emitPrimCall r prim args
 
    | Just mop <- translateOp op
    = let stmt = mkAssign (CmmLocal res) (CmmMachOp mop args) in
@@ -630,8 +639,21 @@ doWriteByteArrayOp _ _ _
 
 doWritePtrArrayOp :: CmmExpr -> CmmExpr -> CmmExpr -> FCode ()
 doWritePtrArrayOp addr idx val
-   = do emit (setInfo addr (CmmLit (CmmLabel mkMAP_DIRTY_infoLabel)))
-        mkBasicIndexedWrite arrPtrsHdrSize Nothing addr idx val
+  = do mkBasicIndexedWrite arrPtrsHdrSize Nothing addr idx val
+       emit (setInfo addr (CmmLit (CmmLabel mkMAP_DIRTY_infoLabel)))
+  -- the write barrier.  We must write a byte into the mark table:
+  -- bits8[a + header_size + StgMutArrPtrs_size(a) + x >> N]
+       emit $ mkStore (
+         cmmOffsetExpr
+          (cmmOffsetExprW (cmmOffsetB addr arrPtrsHdrSize)
+                         (loadArrPtrsSize addr))
+          (CmmMachOp mo_wordUShr [idx,
+                                  CmmLit (mkIntCLit mUT_ARR_PTRS_CARD_BITS)])
+         ) (CmmLit (CmmInt 1 W8))
+       
+loadArrPtrsSize :: CmmExpr -> CmmExpr
+loadArrPtrsSize addr = CmmLoad (cmmOffsetB addr off) bWord
+ where off = fixedHdrSize*wORD_SIZE + oFFSET_StgMutArrPtrs_ptrs
 
 mkBasicIndexedRead :: ByteOff -> Maybe MachOp -> CmmType
 		   -> LocalReg -> CmmExpr -> CmmExpr -> FCode ()