Remove GHC's haskell98 dependency

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

diff --git a/compiler/cmm/CmmSpillReload.hs b/compiler/cmm/CmmSpillReload.hs
index 085dc37..c452525 100644 (file)
--- a/compiler/cmm/CmmSpillReload.hs
+++ b/compiler/cmm/CmmSpillReload.hs
@@ -18,19 +18,17 @@ import CmmTx
 import CmmLiveZ
 import DFMonad
 import MkZipCfg
-import OptimizationFuel
 import PprCmm()
 import ZipCfg
 import ZipCfgCmmRep
 import ZipDataflow
 
-import Monad
+import Control.Monad
 import Outputable hiding (empty)
 import qualified Outputable as PP
-import Panic
 import UniqSet
 
-import Maybe
+import Data.Maybe
 import Prelude hiding (zip)
 
 -- The point of this module is to insert spills and reloads to
@@ -66,7 +64,7 @@ changeRegs  f live = live { in_regs  = f (in_regs  live) }
 
 dualLiveLattice :: DataflowLattice DualLive
 dualLiveLattice =
-      DataflowLattice "variables live in registers and on stack" empty add False
+      DataflowLattice "variables live in registers and on stack" empty add True
     where empty = DualLive emptyRegSet emptyRegSet
           -- | compute in the Tx monad to track whether anything has changed
           add new old = do stack <- add1 (on_stack new) (on_stack old)