Comments only, on Cmm data types

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

diff --git a/compiler/cmm/Cmm.hs b/compiler/cmm/Cmm.hs
index 383ed06..4b18e46 100644 (file)
--- a/compiler/cmm/Cmm.hs
+++ b/compiler/cmm/Cmm.hs
@@ -174,7 +174,9 @@ data ClosureTypeInfo
   | ThunkInfo  ClosureLayout C_SRT
   | ThunkSelectorInfo SelectorOffset C_SRT
   | ContInfo
-      [Maybe LocalReg]  -- stack layout
+      [Maybe LocalReg]  -- Stack layout: Just x, an item x
+                        --               Nothing: a 1-word gap
+                       -- Start of list is the *young* end
       C_SRT
 
 data CmmReturnInfo = CmmMayReturn