Second working draft of a CPS algorithm for C--.

[ghc-hetmet.git] / compiler / cmm / Cmm.hs

diff --git a/compiler/cmm/Cmm.hs b/compiler/cmm/Cmm.hs
index d3bdead..5ad8ee7 100644 (file)
--- a/compiler/cmm/Cmm.hs
+++ b/compiler/cmm/Cmm.hs
@@ -20,7 +20,7 @@ module Cmm (
        BlockId(..),
        GlobalReg(..), globalRegRep,
 
-       node, nodeReg, spReg, hpReg,
+       node, nodeReg, spReg, hpReg, spLimReg
   ) where
 
 #include "HsVersions.h"
@@ -275,6 +275,8 @@ newtype BlockId = BlockId Unique
 instance Uniquable BlockId where
   getUnique (BlockId u) = u
 
+type BlockEnv a = UniqFM {- BlockId -} a
+
 -----------------------------------------------------------------------------
 --             Static Data
 -----------------------------------------------------------------------------
@@ -351,9 +353,10 @@ data GlobalReg
         )
 
 -- convenient aliases
-spReg, hpReg, nodeReg :: CmmReg
+spReg, hpReg, spLimReg, nodeReg :: CmmReg
 spReg = CmmGlobal Sp
 hpReg = CmmGlobal Hp
+spLimReg = CmmGlobal SpLim
 nodeReg = CmmGlobal node
 
 node :: GlobalReg