X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FcodeGen%2FCgTailCall.lhs;h=e4f79a7aa6bde56706eb66fe7ea5d47d12abfd7e;hb=0aa5f6851c493805be58da3798f6ad55b6538cf2;hp=73030d1d27072911ee2e3c47ff79f556d83e7421;hpb=b4ca3b65d621bf8c792a41587bc5e10ab25b3350;p=ghc-hetmet.git diff --git a/compiler/codeGen/CgTailCall.lhs b/compiler/codeGen/CgTailCall.lhs index 73030d1..e4f79a7 100644 --- a/compiler/codeGen/CgTailCall.lhs +++ b/compiler/codeGen/CgTailCall.lhs @@ -5,13 +5,6 @@ % Code generation for tail calls. \begin{code} -{-# OPTIONS -w #-} --- The above warning supression flag is a temporary kludge. --- While working on this module you are encouraged to remove it and fix --- any warnings in the module. See --- http://hackage.haskell.org/trac/ghc/wiki/Commentary/CodingStyle#Warnings --- for details - module CgTailCall ( cgTailCall, performTailCall, performReturn, performPrimReturn, @@ -41,7 +34,6 @@ import Type import Id import StgSyn import PrimOp -import FastString import Outputable import Control.Monad @@ -116,7 +108,8 @@ performTailCall fun_info arg_amodes pending_assts | otherwise = noStmts ; EndOfBlockInfo sp _ <- getEndOfBlockInfo - ; case (getCallMethod fun_name fun_has_cafs lf_info (length arg_amodes)) of + ; dflags <- getDynFlags + ; case (getCallMethod dflags fun_name fun_has_cafs lf_info (length arg_amodes)) of -- Node must always point to things we enter EnterIt -> do @@ -141,7 +134,7 @@ performTailCall fun_info arg_amodes pending_assts -- A real constructor. Don't bother entering it, -- just do the right sort of return instead. -- As with any return, Node must point to it. - ReturnCon con -> do + ReturnCon _ -> do { emitSimultaneously (node_asst `plusStmts` pending_assts) ; doFinalJump sp False emitReturnInstr } @@ -238,7 +231,9 @@ performTailCall fun_info arg_amodes pending_assts -- CONSTR_NOCAF_STATIC (from ClosureType.h) -} - +directCall :: VirtualSpOffset -> CLabel -> [(CgRep, CmmExpr)] + -> [(CgRep, CmmExpr)] -> CmmStmts + -> Code directCall sp lbl args extra_args assts = do let -- First chunk of args go in registers @@ -289,7 +284,7 @@ performReturn :: Code -- The code to execute to actually do the return -> Code performReturn finish_code - = do { EndOfBlockInfo args_sp sequel <- getEndOfBlockInfo + = do { EndOfBlockInfo args_sp _sequel <- getEndOfBlockInfo ; doFinalJump args_sp False{-not a LNE-} finish_code } -- ---------------------------------------------------------------------------- @@ -321,7 +316,7 @@ performPrimReturn rep amode returnUnboxedTuple :: [(CgRep, CmmExpr)] -> Code returnUnboxedTuple amodes - = do { eob@(EndOfBlockInfo args_sp sequel) <- getEndOfBlockInfo + = do { (EndOfBlockInfo args_sp _sequel) <- getEndOfBlockInfo ; tickyUnboxedTupleReturn (length amodes) ; (final_sp, assts) <- pushUnboxedTuple args_sp amodes ; emitSimultaneously assts @@ -415,7 +410,7 @@ tailCallPrimOp op args pushReturnAddress :: EndOfBlockInfo -> Code -pushReturnAddress (EndOfBlockInfo args_sp sequel@(CaseAlts lbl _ _)) +pushReturnAddress (EndOfBlockInfo args_sp (CaseAlts lbl _ _)) = do { sp_rel <- getSpRelOffset args_sp ; stmtC (CmmStore sp_rel (mkLblExpr lbl)) }