diff options
Diffstat (limited to 'libraries/ghc-prim/changelog.md')
| -rw-r--r-- | libraries/ghc-prim/changelog.md | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/libraries/ghc-prim/changelog.md b/libraries/ghc-prim/changelog.md index 2298846cd1..2a19164d58 100644 --- a/libraries/ghc-prim/changelog.md +++ b/libraries/ghc-prim/changelog.md @@ -1,4 +1,4 @@ -## 0.6.1 +## 0.6.1 (edit as necessary) - Shipped with GHC 8.10.1 @@ -6,6 +6,17 @@ closureSize# :: a -> Int# +- Added to `GHC.Prim`: + bitReverse# :: Word# -> Word# + bitReverse8# :: Word# -> Word# + bitReverse16# :: Word# -> Word# + bitReverse32# :: Word# -> Word# + bitReverse64# :: Word# -> Word# + + `bitReverse#` is a primop that, for a `Word` of 8, 16, 32 or 64 bits, + reverses the order of its bits e.g. `0b110001` becomes `0b100011`. + These primitives use optimized machine instructions when available. + ## 0.6.0 - Shipped with GHC 8.8.1 @@ -14,7 +25,7 @@ traceBinaryEvent# :: Addr# -> Int# -> State# s -> State# s -## 0.5.3 (edit as necessary) +## 0.5.3 - Shipped with GHC 8.6.1 |