X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fcmm%2FStackColor.hs;h=bf5f9a0fdad05a4a0c6f1efd956de91f995f0ac6;hb=c6206fd81612e51e257a650390646421c7c1d1cb;hp=4d544bdbc870bfde10e195c3718dda81766e3127;hpb=0d80489c9b9f2421f65d8dd86c1e50c6bb429715;p=ghc-hetmet.git diff --git a/compiler/cmm/StackColor.hs b/compiler/cmm/StackColor.hs index 4d544bd..bf5f9a0 100644 --- a/compiler/cmm/StackColor.hs +++ b/compiler/cmm/StackColor.hs @@ -8,7 +8,6 @@ import CmmExpr import CmmSpillReload import DFMonad import qualified GraphOps -import MachOp import ZipCfg import ZipCfgCmmRep import ZipDataflow @@ -17,9 +16,7 @@ import Maybes import Panic import UniqSet -import Data.List - -type M = ExtendWithSpills Middle +-- import Data.List fold_edge_facts_b :: LastNode l => (DualLive -> a -> a) -> BackwardTransfers m l DualLive -> LGraph m l @@ -30,17 +27,17 @@ fold_edge_facts_b f comp graph env z = fold_block_facts z b = let (h, l) = goto_end (ZipCfg.unzip b) last_in _ LastExit = fact_bot dualLiveLattice - last_in env (LastOther l) = bt_last_in comp env l + last_in env (LastOther l) = bt_last_in comp l env in head_fold h (last_in env l) z - head_fold (ZHead h m) out z = head_fold h (bt_middle_in comp out m) (f out z) - head_fold (ZFirst id) out z = f (bt_first_in comp out id) (f out z) + head_fold (ZHead h m) out z = head_fold h (bt_middle_in comp m out) (f out z) + head_fold (ZFirst id) out z = f (bt_first_in comp id out) (f out z) -foldConflicts :: (RegSet -> a -> a) -> a -> LGraph M Last -> FuelMonad a -foldConflicts f z g = - do env <- dualLiveness emptyBlockSet $ graphOfLGraph g +foldConflicts :: (RegSet -> a -> a) -> a -> LGraph Middle Last -> FuelMonad a +foldConflicts f z g@(LGraph entry _) = + do env <- dualLiveness emptyBlockSet g let lookup id = lookupBlockEnv env id `orElse` fact_bot dualLiveLattice f' dual z = f (on_stack dual) z - return $ fold_edge_facts_b f' (dualLiveTransfers emptyBlockSet) g lookup z + return $ fold_edge_facts_b f' (dualLiveTransfers entry emptyBlockSet) g lookup z --let env = runDFA dualLiveLattice (run_b_anal dualLiveness g >> getAllFacts) -- lookup id = lookupBlockEnv env id `orElse` fact_bot dualLiveLattice -- f' dual z = f (on_stack dual) z @@ -50,7 +47,7 @@ foldConflicts f z g = type IGraph = Color.Graph LocalReg SlotClass StackPlacement type ClassCount = [(SlotClass, Int)] -buildIGraphAndCounts :: LGraph M Last -> FuelMonad (IGraph, ClassCount) +buildIGraphAndCounts :: LGraph Middle Last -> FuelMonad (IGraph, ClassCount) buildIGraphAndCounts g = igraph_and_counts where igraph_and_counts = foldConflicts add (Color.initGraph, zero) g zero = map (\c -> (c, 0)) allSlotClasses @@ -73,16 +70,14 @@ graphAddConflictSet :: RegSet -> IGraph -> IGraph graphAddConflictSet set graph = GraphOps.addConflicts set slotClass graph slotClass :: LocalReg -> SlotClass -slotClass (LocalReg _ machRep _) = - case machRep of -- the horror, the horror - I8 -> SlotClass32 - I16 -> SlotClass32 - I32 -> SlotClass32 - I64 -> SlotClass64 - I128 -> SlotClass128 - F32 -> SlotClass32 - F64 -> SlotClass64 - F80 -> SlotClass64 +slotClass (LocalReg _ ty) = + case typeWidth ty of -- the horror, the horror + W8 -> SlotClass32 + W16 -> SlotClass32 + W32 -> SlotClass32 + W64 -> SlotClass64 + W128 -> SlotClass128 + W80 -> SlotClass64 {- colorMe :: (IGraph, ClassCount) -> (IGraph, UniqSet LocalReg)