Fix to i386_insert_ffrees (#2724, #1944)

[ghc-hetmet.git] / compiler / nativeGen / RegAllocLinear.hs

diff --git a/compiler/nativeGen/RegAllocLinear.hs b/compiler/nativeGen/RegAllocLinear.hs
index 815bdfb..918d7c6 100644 (file)
--- a/compiler/nativeGen/RegAllocLinear.hs
+++ b/compiler/nativeGen/RegAllocLinear.hs
@@ -797,7 +797,7 @@ joinToTargets block_live new_blocks instr (dest:dests) = do
               delta <- getDeltaR
               
                let graph = makeRegMovementGraph adjusted_assig dest_assig
-              let sccs  = stronglyConnCompR graph
+              let sccs  = stronglyConnCompFromEdgedVerticesR graph
               fixUpInstrs <- mapM (handleComponent delta instr) sccs
 
               block_id <- getUniqueR
@@ -901,7 +901,7 @@ handleComponent delta instr (CyclicSCC ((vreg, (InReg sreg),dsts):rest))
  = do
        spill_id <- getUniqueR
        (_, slot)               <- spillR (RealReg sreg) spill_id
-       remainingFixUps         <- mapM (handleComponent delta instr) (stronglyConnCompR rest)
+       remainingFixUps         <- mapM (handleComponent delta instr) (stronglyConnCompFromEdgedVerticesR rest)
        restoreAndFixInstr      <- getRestoreMoves dsts slot
        return ([instr] ++ concat remainingFixUps ++ restoreAndFixInstr)