Mostly comments, following NR/SPJ meeting

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

diff --git a/compiler/cmm/CmmLiveZ.hs b/compiler/cmm/CmmLiveZ.hs
index 9b2fa56..cd96971 100644 (file)
--- a/compiler/cmm/CmmLiveZ.hs
+++ b/compiler/cmm/CmmLiveZ.hs
@@ -56,11 +56,11 @@ kill a live = foldRegsUsed delOneFromUniqSet live a
 
 middleLiveness :: Middle -> CmmLive -> CmmLive
 middleLiveness m = middle m
-  where middle (MidNop)                      = id
-        middle (MidComment {})               = id
+  where middle (MidComment {})               = id
         middle (MidAssign lhs expr)          = gen expr . kill lhs
         middle (MidStore addr rval)          = gen addr . gen rval
         middle (MidUnsafeCall tgt ress args) = gen tgt . gen args . kill ress
+        middle (MidAddToContext ra args)     = gen ra . gen args
         middle (CopyIn _ formals _)          = kill formals
         middle (CopyOut _ actuals)           = gen actuals