X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FnativeGen%2FAsmCodeGen.lhs;h=f954d524c9ef056eae015fd7f9ec44e64b1474e2;hb=f96e9aa0444de0e673b3c4055c6e43299639bc5b;hp=47c875c41df490e844892c68b42730f5bed3d6d0;hpb=001d6ffda6a509c6349f6644df10e8fcf270d218;p=ghc-hetmet.git diff --git a/compiler/nativeGen/AsmCodeGen.lhs b/compiler/nativeGen/AsmCodeGen.lhs index 47c875c..f954d52 100644 --- a/compiler/nativeGen/AsmCodeGen.lhs +++ b/compiler/nativeGen/AsmCodeGen.lhs @@ -26,16 +26,12 @@ import CmmOpt ( cmmMiniInline, cmmMachOpFold ) import PprCmm ( pprStmt, pprCmms ) import MachOp import CLabel -#if powerpc_TARGET_ARCH -import CLabel ( mkRtsCodeLabel ) -#endif import UniqFM import Unique ( Unique, getUnique ) import UniqSupply import FastTypes import List ( groupBy, sortBy ) -import CLabel ( pprCLabel ) import ErrUtils ( dumpIfSet_dyn ) import DynFlags import StaticFlags ( opt_Static, opt_PIC ) @@ -112,12 +108,12 @@ The machine-dependent bits break down as follows: -- NB. We *lazilly* compile each block of code for space reasons. -nativeCodeGen :: DynFlags -> [Cmm] -> UniqSupply -> IO Pretty.Doc +nativeCodeGen :: DynFlags -> [RawCmm] -> UniqSupply -> IO Pretty.Doc nativeCodeGen dflags cmms us = let (res, _) = initUs us $ cgCmm (concat (map add_split cmms)) - cgCmm :: [CmmTop] -> UniqSM (Cmm, Pretty.Doc, [CLabel]) + cgCmm :: [RawCmmTop] -> UniqSM (RawCmm, Pretty.Doc, [CLabel]) cgCmm tops = lazyMapUs (cmmNativeGen dflags) tops `thenUs` \ results -> case unzip3 results of { (cmms,docs,imps) -> @@ -200,7 +196,7 @@ nativeCodeGen dflags cmms us -- Complete native code generation phase for a single top-level chunk -- of Cmm. -cmmNativeGen :: DynFlags -> CmmTop -> UniqSM (CmmTop, Pretty.Doc, [CLabel]) +cmmNativeGen :: DynFlags -> RawCmmTop -> UniqSM (RawCmmTop, Pretty.Doc, [CLabel]) cmmNativeGen dflags cmm = {-# SCC "fixAssigns" #-} fixAssignsTop cmm `thenUs` \ fixed_cmm -> @@ -394,7 +390,7 @@ apply_mapping ufm (CmmProc info lbl params blocks) -- Switching between the two monads whilst carrying along the same -- Unique supply breaks abstraction. Is that bad? -genMachCode :: CmmTop -> UniqSM ([NatCmmTop], [CLabel]) +genMachCode :: RawCmmTop -> UniqSM ([NatCmmTop], [CLabel]) genMachCode cmm_top = do { initial_us <- getUs @@ -416,7 +412,7 @@ genMachCode cmm_top -- the generic optimiser below, to avoid having two separate passes -- over the Cmm. -fixAssignsTop :: CmmTop -> UniqSM CmmTop +fixAssignsTop :: RawCmmTop -> UniqSM RawCmmTop fixAssignsTop top@(CmmData _ _) = returnUs top fixAssignsTop (CmmProc info lbl params blocks) = mapUs fixAssignsBlock blocks `thenUs` \ blocks' -> @@ -448,16 +444,12 @@ fixAssign (CmmAssign (CmmGlobal reg) src) where reg_or_addr = get_GlobalReg_reg_or_addr reg -fixAssign (CmmCall target results args vols) +{- +fixAssign (CmmCall target results args) = mapAndUnzipUs fixResult results `thenUs` \ (results',stores) -> - returnUs (caller_save ++ - CmmCall target results' args vols : - caller_restore ++ + returnUs (CmmCall target results' args : concat stores) where - -- we also save/restore any caller-saves STG registers here - (caller_save, caller_restore) = callerSaveVolatileRegs vols - fixResult g@(CmmGlobal reg,hint) = case get_GlobalReg_reg_or_addr reg of Left realreg -> returnUs (g, []) @@ -468,6 +460,7 @@ fixAssign (CmmCall target results args vols) [CmmStore baseRegAddr (CmmReg local)]) fixResult other = returnUs (other,[]) +-} fixAssign other_stmt = returnUs [other_stmt] @@ -497,7 +490,7 @@ Ideas for other things we could do (ToDo): temp assignments, and certain assigns to mem...) -} -cmmToCmm :: CmmTop -> (CmmTop, [CLabel]) +cmmToCmm :: RawCmmTop -> (RawCmmTop, [CLabel]) cmmToCmm top@(CmmData _ _) = (top, []) cmmToCmm (CmmProc info lbl params blocks) = runCmmOpt $ do blocks' <- mapM cmmBlockConFold (cmmMiniInline blocks) @@ -543,7 +536,7 @@ cmmStmtConFold stmt -> do addr' <- cmmExprConFold JumpReference addr return $ CmmJump addr' regs - CmmCall target regs args vols + CmmCall target regs args srt -> do target' <- case target of CmmForeignCall e conv -> do e' <- cmmExprConFold CallReference e @@ -552,7 +545,7 @@ cmmStmtConFold stmt args' <- mapM (\(arg, hint) -> do arg' <- cmmExprConFold DataReference arg return (arg', hint)) args - return $ CmmCall target' regs args' vols + return $ CmmCall target' regs args' srt CmmCondBranch test dest -> do test' <- cmmExprConFold DataReference test