diff options
Diffstat (limited to 'compiler/cmm')
| -rw-r--r-- | compiler/cmm/CmmUtils.hs | 7 |
1 files changed, 0 insertions, 7 deletions
diff --git a/compiler/cmm/CmmUtils.hs b/compiler/cmm/CmmUtils.hs index 65d633e6b7..3ddb9ec002 100644 --- a/compiler/cmm/CmmUtils.hs +++ b/compiler/cmm/CmmUtils.hs @@ -205,13 +205,6 @@ cmmOffsetExpr :: DynFlags -> CmmExpr -> CmmExpr -> CmmExpr cmmOffsetExpr dflags e (CmmLit (CmmInt n _)) = cmmOffset dflags e (fromInteger n) cmmOffsetExpr dflags e byte_off = CmmMachOp (MO_Add (cmmExprWidth dflags e)) [e, byte_off] --- NB. Do *not* inspect the value of the offset in these smart constructors!!! --- because the offset is sometimes involved in a loop in the code generator --- (we don't know the real Hp offset until we've generated code for the entire --- basic block, for example). So we cannot eliminate zero offsets at this --- stage; they're eliminated later instead (either during printing or --- a later optimisation step on Cmm). --- cmmOffset :: DynFlags -> CmmExpr -> Int -> CmmExpr cmmOffset _ e 0 = e cmmOffset _ (CmmReg reg) byte_off = cmmRegOff reg byte_off |