X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FnativeGen%2FAsmCodeGen.lhs;h=1cbdb7b98a8b785538fa03932aa104339db081c9;hb=922de8ca1aa3f2a1796e8cfa9bf8e52d7b959d9b;hp=f909d24335d5affb8b3533f0757d287d9cc0fbde;hpb=bd3a364da7956c269d31645995d0d775c52f6a84;p=ghc-hetmet.git diff --git a/compiler/nativeGen/AsmCodeGen.lhs b/compiler/nativeGen/AsmCodeGen.lhs index f909d24..1cbdb7b 100644 --- a/compiler/nativeGen/AsmCodeGen.lhs +++ b/compiler/nativeGen/AsmCodeGen.lhs @@ -108,12 +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) -> @@ -196,7 +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 -> @@ -390,13 +390,12 @@ 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 ; let initial_st = mkNatM_State initial_us 0 (new_tops, final_st) = initNat initial_st (cmmTopCodeGen cmm_top) - final_us = natm_us final_st final_delta = natm_delta final_st final_imports = natm_imports final_st ; if final_delta == 0 @@ -412,7 +411,7 @@ 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' -> @@ -429,9 +428,6 @@ fixAssigns stmts = returnUs (concat stmtss) fixAssign :: CmmStmt -> UniqSM [CmmStmt] -fixAssign (CmmAssign (CmmGlobal BaseReg) src) - = panic "cmmStmtConFold: assignment to BaseReg"; - fixAssign (CmmAssign (CmmGlobal reg) src) | Left realreg <- reg_or_addr = returnUs [CmmAssign (CmmGlobal reg) src] @@ -444,22 +440,6 @@ fixAssign (CmmAssign (CmmGlobal reg) src) where reg_or_addr = get_GlobalReg_reg_or_addr reg -fixAssign (CmmCall target results args) - = mapAndUnzipUs fixResult results `thenUs` \ (results',stores) -> - returnUs (CmmCall target results' args : - concat stores) - where - fixResult g@(CmmGlobal reg,hint) = - case get_GlobalReg_reg_or_addr reg of - Left realreg -> returnUs (g, []) - Right baseRegAddr -> - getUniqueUs `thenUs` \ uq -> - let local = CmmLocal (LocalReg uq (globalRegRep reg)) in - returnUs ((local,hint), - [CmmStore baseRegAddr (CmmReg local)]) - fixResult other = - returnUs (other,[]) - fixAssign other_stmt = returnUs [other_stmt] -- ----------------------------------------------------------------------------- @@ -488,7 +468,7 @@ 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) @@ -534,7 +514,7 @@ cmmStmtConFold stmt -> do addr' <- cmmExprConFold JumpReference addr return $ CmmJump addr' regs - CmmCall target regs args + CmmCall target regs args srt -> do target' <- case target of CmmForeignCall e conv -> do e' <- cmmExprConFold CallReference e @@ -543,7 +523,7 @@ cmmStmtConFold stmt args' <- mapM (\(arg, hint) -> do arg' <- cmmExprConFold DataReference arg return (arg', hint)) args - return $ CmmCall target' regs args' + return $ CmmCall target' regs args' srt CmmCondBranch test dest -> do test' <- cmmExprConFold DataReference test