diff options
-rw-r--r-- | compiler/GHC/Cmm/Type.hs | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/compiler/GHC/Cmm/Type.hs b/compiler/GHC/Cmm/Type.hs index 8a750cd10d..8cd502f8b7 100644 --- a/compiler/GHC/Cmm/Type.hs +++ b/compiler/GHC/Cmm/Type.hs @@ -311,6 +311,8 @@ isVecType _ = False -- Hints are extra type information we attach to the arguments and -- results of a foreign call, where more type information is sometimes -- needed by the ABI to make the correct kind of call. +-- +-- See Note [Signed vs unsigned] for one case where this is used. data ForeignHint = NoHint | AddrHint | SignedHint |