X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FcodeGen%2FCgStackery.lhs;h=4196997f7a7a4fdcf330d16ce5efe35388619fa6;hb=61ed9c29ee3bdac14fb6ee7d37f979f8258d7a71;hp=7a510cf43e6244f5bef356ed0c86d91f1904612f;hpb=49c98d143c382a1341e1046f5ca00819a25691ba;p=ghc-hetmet.git

diff --git a/compiler/codeGen/CgStackery.lhs b/compiler/codeGen/CgStackery.lhs
index 7a510cf..4196997 100644
--- a/compiler/codeGen/CgStackery.lhs
+++ b/compiler/codeGen/CgStackery.lhs
@@ -8,6 +8,13 @@ Stack-twiddling operations, which are pretty low-down and grimy.
 (This is the module that knows all about stack layouts, etc.)
 
 \begin{code}
+{-# OPTIONS -w #-}
+-- The above warning supression flag is a temporary kludge.
+-- While working on this module you are encouraged to remove it and fix
+-- any warnings in the module. See
+--     http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings
+-- for details
+
 module CgStackery (
 	spRel, getVirtSp, getRealSp, setRealSp,
 	setRealAndVirtualSp, getSpRelOffset,
@@ -34,6 +41,8 @@ import Util
 import FastString
 import OrdList
 import Outputable
+
+import Control.Monad
 \end{code}
 
 %************************************************************************
@@ -268,12 +277,10 @@ pushUpdateFrame :: CmmExpr -> Code -> Code
 
 pushUpdateFrame updatee code
   = do	{
-#ifdef DEBUG
-	  EndOfBlockInfo _ sequel <- getEndOfBlockInfo ;
-	  ASSERT(case sequel of { OnStack -> True; _ -> False})
-#endif
-
-	  allocStackTop (fixedHdrSize + 
+      when debugIsOn $ do
+    	{ EndOfBlockInfo _ sequel <- getEndOfBlockInfo ;
+    	; MASSERT(case sequel of { OnStack -> True; _ -> False}) }
+	; allocStackTop (fixedHdrSize + 
 			   sIZEOF_StgUpdateFrame_NoHdr `quot` wORD_SIZE)
 	; vsp <- getVirtSp
 	; setStackFrame vsp