X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FnativeGen%2FRegLiveness.hs;h=96a264a0b1fda11bb24b9d9d400d1d91e041c7f7;hb=497d3a963f679681db098588bcab00121687c8ed;hp=d5336e4ea127098c95e43a13c888a8e39d99a2d0;hpb=eda7b44959316e87a69def0f1eaf02df493cef18;p=ghc-hetmet.git diff --git a/compiler/nativeGen/RegLiveness.hs b/compiler/nativeGen/RegLiveness.hs index d5336e4..96a264a 100644 --- a/compiler/nativeGen/RegLiveness.hs +++ b/compiler/nativeGen/RegLiveness.hs @@ -30,6 +30,7 @@ module RegLiveness ( ) where +import BlockId import MachRegs import MachInstrs import PprMach @@ -204,7 +205,7 @@ slurpConflicts live = (consBag rsLiveEntry conflicts, moves) | otherwise - = error "RegLiveness.slurpBlock: bad block" + = panic "RegLiveness.slurpBlock: bad block" slurpLIs rsLive (conflicts, moves) [] = (consBag rsLive conflicts, moves) @@ -243,14 +244,14 @@ slurpConflicts live , moves) lis --- | For spill/reloads +-- | For spill\/reloads -- -- SPILL v1, slot1 -- ... -- RELOAD slot1, v2 -- -- If we can arrange that v1 and v2 are allocated to the same hreg it's more likely --- the spill/reload instrs can be cleaned and replaced by a nop reg-reg move. +-- the spill\/reload instrs can be cleaned and replaced by a nop reg-reg move. -- -- slurpReloadCoalesce :: LiveCmmTop -> Bag (Reg, Reg) @@ -557,7 +558,7 @@ livenessSCCs blockmap done concatMap tail $ groupBy (\(a1, _) (a2, _) -> eq a1 a2) $ iterate (\(a, _) -> f a b) $ - (a, error "RegLiveness.livenessSCCs") + (a, panic "RegLiveness.livenessSCCs") linearLiveness :: BlockMap RegSet -> [NatBasicBlock]