change dirty_MUT_VAR() to use recordMutableCap()

[ghc-hetmet.git] / ghc / compiler / codeGen / CgPrimOp.hs

diff --git a/ghc/compiler/codeGen/CgPrimOp.hs b/ghc/compiler/codeGen/CgPrimOp.hs
index 245a245..c1264be 100644 (file)
--- a/ghc/compiler/codeGen/CgPrimOp.hs
+++ b/ghc/compiler/codeGen/CgPrimOp.hs
@@ -28,7 +28,7 @@ import SMRep
 import PrimOp          ( PrimOp(..) )
 import SMRep           ( tablesNextToCode )
 import Constants       ( wORD_SIZE, wORD_SIZE_IN_BITS )
-import StaticFlags     ( opt_Parallel, opt_SMP )
+import StaticFlags     ( opt_Parallel )
 import Outputable
 
 -- ---------------------------------------------------------------------------
@@ -113,9 +113,6 @@ emitPrimOp [res_r,res_c] IntSubCOp [aa,bb] live
 
 
 emitPrimOp [res] ParOp [arg] live
-  | not (opt_Parallel || opt_SMP)
-  = stmtC (CmmAssign res (CmmLit (mkIntCLit 1)))
-  | otherwise
   = do
        -- for now, just implement this in a C function
        -- later, we might want to inline it.
@@ -137,7 +134,8 @@ emitPrimOp [] WriteMutVarOp [mutv,var] live
        stmtC (CmmCall (CmmForeignCall (CmmLit (CmmLabel mkDirty_MUT_VAR_Label))
                                CCallConv) 
                        [{-no results-}]
-                       [(mutv,PtrHint)]
+                       [(CmmReg (CmmGlobal BaseReg), PtrHint),
+                        (mutv,PtrHint)]
                        (Just vols))
 
 --  #define sizzeofByteArrayzh(r,a) \