diff options
Diffstat (limited to 'compiler/GHC/Cmm/Node.hs')
| -rw-r--r-- | compiler/GHC/Cmm/Node.hs | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/compiler/GHC/Cmm/Node.hs b/compiler/GHC/Cmm/Node.hs index fe6eac3223..d7d35a8bfc 100644 --- a/compiler/GHC/Cmm/Node.hs +++ b/compiler/GHC/Cmm/Node.hs @@ -105,7 +105,7 @@ data CmmNode e x where CmmSwitch :: CmmExpr -- Scrutinee, of some integral type - -> SwitchTargets -- Cases. See [Note SwitchTargets] + -> SwitchTargets -- Cases. See Note [SwitchTargets] -> CmmNode O C CmmCall :: { -- A native call or tail call @@ -114,7 +114,9 @@ data CmmNode e x where cml_cont :: Maybe Label, -- Label of continuation (Nothing for return or tail call) -- - -- Note [Continuation BlockIds]: these BlockIds are called + -- Note [Continuation BlockIds] + -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + -- These BlockIds are called -- Continuation BlockIds, and are the only BlockIds that can -- occur in CmmExprs, namely as (CmmLit (CmmBlock b)) or -- (CmmStackSlot (Young b) _). @@ -196,7 +198,6 @@ sequence. {- Note [Unsafe foreign calls clobber caller-save registers] ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ - A foreign call is defined to clobber any GlobalRegs that are mapped to caller-saves machine registers (according to the prevailing C ABI). GHC.StgToCmm.Utils.callerSaves tells you which GlobalRegs are caller-saves. @@ -386,7 +387,6 @@ instance DefinerOfRegs GlobalReg (CmmNode e x) where -- Note [Safe foreign calls clobber STG registers] -- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ --- -- During stack layout phase every safe foreign call is expanded into a block -- that contains unsafe foreign call (instead of safe foreign call) and ends -- with a normal call (See Note [Foreign calls]). This means that we must @@ -642,8 +642,8 @@ data CmmTickScope -- the new block could have a combined tick scope a/c+b/d, which -- both tick<2> and tick<3> apply to. --- Note [CmmTick scoping details]: --- +-- Note [CmmTick scoping details] +-- ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- The scope of a @CmmTick@ is given by the @CmmEntry@ node of the -- same block. Note that as a result of this, optimisations making -- tick scopes more specific can *reduce* the amount of code a tick |