Add new LLVM code generator to GHC. (Version 2)

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

diff --git a/compiler/cmm/Cmm.hs b/compiler/cmm/Cmm.hs
index 4b18e46..5c02622 100644 (file)
--- a/compiler/cmm/Cmm.hs
+++ b/compiler/cmm/Cmm.hs
@@ -181,6 +181,7 @@ data ClosureTypeInfo
 
 data CmmReturnInfo = CmmMayReturn
                    | CmmNeverReturns
+    deriving ( Eq )
 
 -- TODO: These types may need refinement
 data ProfilingInfo = ProfilingInfo CmmLit CmmLit -- closure_type, closure_desc
@@ -384,6 +385,7 @@ data CallishMachOp
   | MO_F32_Exp
   | MO_F32_Sqrt
   | MO_WriteBarrier
+  | MO_Touch         -- Keep variables live (when using interior pointers)
   deriving (Eq, Show)
 
 pprCallishMachOp :: CallishMachOp -> SDoc