diff options
Diffstat (limited to 'compiler/codeGen')
| -rw-r--r-- | compiler/codeGen/StgCmmPrim.hs | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/compiler/codeGen/StgCmmPrim.hs b/compiler/codeGen/StgCmmPrim.hs index 2fa1b85a03..77739fe0fb 100644 --- a/compiler/codeGen/StgCmmPrim.hs +++ b/compiler/codeGen/StgCmmPrim.hs @@ -137,6 +137,11 @@ cgOpApp (StgPrimCallOp primcall) args _res_ty asUnsigned :: Width -> Integer -> Integer asUnsigned w n = n .&. (bit (widthInBits w) - 1) +-- TODO: Several primop implementations (e.g. 'doNewByteArrayOp') use +-- ByteOff (or some other fixed width signed type) to represent +-- array sizes or indices. This means that these will overflow for +-- large enough sizes. + -- | Decide whether an out-of-line primop should be replaced by an -- inline implementation. This might happen e.g. if there's enough -- static information, such as statically know arguments, to emit a |