X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FcodeGen%2FBitmap.hs;h=2e77014f53b296e66b695f790394582a5e0cb725;hb=01ecefa4b97106fec5c139c5514e5d56e59ecbaf;hp=93cf43f639d68c163e8a401142b6313c2b520a17;hpb=49c98d143c382a1341e1046f5ca00819a25691ba;p=ghc-hetmet.git diff --git a/compiler/codeGen/Bitmap.hs b/compiler/codeGen/Bitmap.hs index 93cf43f..2e77014 100644 --- a/compiler/codeGen/Bitmap.hs +++ b/compiler/codeGen/Bitmap.hs @@ -38,7 +38,7 @@ chunkToBitmap chunk = foldr (.|.) 0 [ 1 `shiftL` n | (True,n) <- zip chunk [0..] ] -- | Make a bitmap where the slots specified are the /ones/ in the bitmap. --- eg. @[1,2,4], size 4 ==> 0xb@. +-- eg. @[0,1,3], size 4 ==> 0xb@. -- -- The list of @Int@s /must/ be already sorted. intsToBitmap :: Int -> [Int] -> Bitmap @@ -51,7 +51,7 @@ intsToBitmap size slots{- must be sorted -} where (these,rest) = span ( 0x8@ (we leave any bits outside the size as zero, +-- eg. @[0,1,3], size 4 ==> 0x4@ (we leave any bits outside the size as zero, -- just to make the bitmap easier to read). -- -- The list of @Int@s /must/ be already sorted.