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Diffstat (limited to 'compiler/utils/FastMutInt.hs')
| -rw-r--r-- | compiler/utils/FastMutInt.hs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/utils/FastMutInt.hs b/compiler/utils/FastMutInt.hs index 2a6e7b83aa..20206f8b1e 100644 --- a/compiler/utils/FastMutInt.hs +++ b/compiler/utils/FastMutInt.hs @@ -1,5 +1,5 @@ {-# LANGUAGE BangPatterns, MagicHash, UnboxedTuples #-} -{-# OPTIONS_GHC -O #-} +{-# OPTIONS_GHC -O2 #-} -- We always optimise this, otherwise performance of a non-optimised -- compiler is severely affected -- @@ -15,6 +15,8 @@ module FastMutInt( readFastMutPtr, writeFastMutPtr ) where +import GhcPrelude + import Data.Bits import GHC.Base import GHC.Ptr |