X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2FnativeGen%2FMachCodeGen.hs;h=e479d50a355964cec12193f5a8bcda0cda3daf87;hb=a411ca6bf32a14cc656c2c981c5cf6e37cfd3d64;hp=081d3ef6c780b6d807e7936c8119ed82152ae338;hpb=b8a64b8ec9cd3d8f6e3f23e44312c4903eccac45;p=ghc-hetmet.git diff --git a/compiler/nativeGen/MachCodeGen.hs b/compiler/nativeGen/MachCodeGen.hs index 081d3ef..e479d50 100644 --- a/compiler/nativeGen/MachCodeGen.hs +++ b/compiler/nativeGen/MachCodeGen.hs @@ -1,3 +1,10 @@ +{-# 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 + ----------------------------------------------------------------------------- -- -- Generating machine code (instruction selection) @@ -11,13 +18,6 @@ -- (c) the #if blah_TARGET_ARCH} things, the -- structure should not be too overwhelming. -{-# 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 MachCodeGen ( cmmTopCodeGen, InstrBlock ) where #include "HsVersions.h" @@ -45,7 +45,7 @@ import OrdList import Pretty import Outputable import FastString -import FastTypes ( isFastTrue ) +import FastBool ( isFastTrue ) import Constants ( wORD_SIZE ) #ifdef DEBUG @@ -1046,8 +1046,7 @@ getRegister (CmmMachOp mop [x]) -- unary MachOps getRegister e@(CmmMachOp mop [x, y]) -- dyadic MachOps - = ASSERT2(cmmExprRep x /= I8, pprExpr e) - case mop of + = case mop of MO_Eq F32 -> condFltReg EQQ x y MO_Ne F32 -> condFltReg NE x y MO_S_Gt F32 -> condFltReg GTT x y @@ -1751,8 +1750,8 @@ getRegister (CmmLit lit) = let rep = cmmLitRep lit imm = litToImm lit code dst = toOL [ - LIS dst (HI imm), - OR dst dst (RIImm (LO imm)) + LIS dst (HA imm), + ADD dst dst (RIImm (LO imm)) ] in return (Any rep code) @@ -3054,7 +3053,7 @@ genCCall (CmmPrim MO_WriteBarrier) _ _ = return nilOL -- we keep it this long in order to prevent earlier optimisations. -- we only cope with a single result for foreign calls -genCCall (CmmPrim op) [(r,_)] args = do +genCCall (CmmPrim op) [CmmHinted r _] args = do case op of MO_F32_Sqrt -> actuallyInlineFloatOp F32 (GSQRT F32) args MO_F64_Sqrt -> actuallyInlineFloatOp F64 (GSQRT F64) args @@ -3070,14 +3069,14 @@ genCCall (CmmPrim op) [(r,_)] args = do other_op -> outOfLineFloatOp op r args where - actuallyInlineFloatOp rep instr [(x,_)] + actuallyInlineFloatOp rep instr [CmmHinted x _] = do res <- trivialUFCode rep instr x any <- anyReg res return (any (getRegisterReg (CmmLocal r))) genCCall target dest_regs args = do let - sizes = map (arg_size . cmmExprRep . fst) (reverse args) + sizes = map (arg_size . cmmExprRep . hintlessCmm) (reverse args) #if !darwin_TARGET_OS tot_arg_size = sum sizes #else @@ -3129,7 +3128,7 @@ genCCall target dest_regs args = do let -- assign the results, if necessary assign_code [] = nilOL - assign_code [(dest,_hint)] = + assign_code [CmmHinted dest _hint] = case rep of I64 -> toOL [MOV I32 (OpReg eax) (OpReg r_dest), MOV I32 (OpReg edx) (OpReg r_dest_hi)] @@ -3156,10 +3155,10 @@ genCCall target dest_regs args = do | otherwise = x + a - (x `mod` a) - push_arg :: (CmmExpr,MachHint){-current argument-} + push_arg :: (CmmHinted CmmExpr){-current argument-} -> NatM InstrBlock -- code - push_arg (arg,_hint) -- we don't need the hints on x86 + push_arg (CmmHinted arg _hint) -- we don't need the hints on x86 | arg_rep == I64 = do ChildCode64 code r_lo <- iselExpr64 arg delta <- getDeltaNat @@ -3213,13 +3212,13 @@ outOfLineFloatOp mop res args if localRegRep res == F64 then - stmtToInstrs (CmmCall target [(res,FloatHint)] args CmmUnsafe CmmMayReturn) + stmtToInstrs (CmmCall target [CmmHinted res FloatHint] args CmmUnsafe CmmMayReturn) else do uq <- getUniqueNat let tmp = LocalReg uq F64 GCKindNonPtr -- in - code1 <- stmtToInstrs (CmmCall target [(tmp,FloatHint)] args CmmUnsafe CmmMayReturn) + code1 <- stmtToInstrs (CmmCall target [CmmHinted tmp FloatHint] args CmmUnsafe CmmMayReturn) code2 <- stmtToInstrs (CmmAssign (CmmLocal res) (CmmReg (CmmLocal tmp))) return (code1 `appOL` code2) where @@ -3268,7 +3267,8 @@ genCCall (CmmPrim MO_WriteBarrier) _ _ = return nilOL -- write barrier compiles to no code on x86/x86-64; -- we keep it this long in order to prevent earlier optimisations. -genCCall (CmmPrim op) [(r,_)] args = + +genCCall (CmmPrim op) [CmmHinted r _] args = outOfLineFloatOp op r args genCCall target dest_regs args = do @@ -3348,7 +3348,7 @@ genCCall target dest_regs args = do let -- assign the results, if necessary assign_code [] = nilOL - assign_code [(dest,_hint)] = + assign_code [CmmHinted dest _hint] = case rep of F32 -> unitOL (MOV rep (OpReg xmm0) (OpReg r_dest)) F64 -> unitOL (MOV rep (OpReg xmm0) (OpReg r_dest)) @@ -3368,16 +3368,16 @@ genCCall target dest_regs args = do where arg_size = 8 -- always, at the mo - load_args :: [(CmmExpr,MachHint)] + load_args :: [CmmHinted CmmExpr] -> [Reg] -- int regs avail for args -> [Reg] -- FP regs avail for args -> InstrBlock - -> NatM ([(CmmExpr,MachHint)],[Reg],[Reg],InstrBlock) + -> NatM ([CmmHinted CmmExpr],[Reg],[Reg],InstrBlock) load_args args [] [] code = return (args, [], [], code) -- no more regs to use load_args [] aregs fregs code = return ([], aregs, fregs, code) -- no more args to push - load_args ((arg,hint) : rest) aregs fregs code + load_args ((CmmHinted arg hint) : rest) aregs fregs code | isFloatingRep arg_rep = case fregs of [] -> push_this_arg @@ -3395,10 +3395,10 @@ genCCall target dest_regs args = do push_this_arg = do (args',ars,frs,code') <- load_args rest aregs fregs code - return ((arg,hint):args', ars, frs, code') + return ((CmmHinted arg hint):args', ars, frs, code') push_args [] code = return code - push_args ((arg,hint):rest) code + push_args ((CmmHinted arg hint):rest) code | isFloatingRep arg_rep = do (arg_reg, arg_code) <- getSomeReg arg delta <- getDeltaNat @@ -3459,7 +3459,7 @@ genCCall target dest_regs args = do genCCall target dest_regs argsAndHints = do let - args = map fst argsAndHints + args = map hintlessCmm argsAndHints argcode_and_vregs <- mapM arg_to_int_vregs args let (argcodes, vregss) = unzip argcode_and_vregs @@ -3694,7 +3694,7 @@ genCCall target dest_regs argsAndHints initialStackOffset = 8 stackDelta finalStack = roundTo 16 finalStack #endif - args = map fst argsAndHints + args = map hintlessCmm argsAndHints argReps = map cmmExprRep args roundTo a x | x `mod` a == 0 = x @@ -3809,7 +3809,7 @@ genCCall target dest_regs argsAndHints moveResult reduceToF32 = case dest_regs of [] -> nilOL - [(dest, _hint)] + [CmmHinted dest _hint] | reduceToF32 && rep == F32 -> unitOL (FRSP r_dest f1) | rep == F32 || rep == F64 -> unitOL (MR r_dest f1) | rep == I64 -> toOL [MR (getHiVRegFromLo r_dest) r3,