%
-% (c) The AQUA Project, Glasgow University, 1993-1996
+% (c) The AQUA Project, Glasgow University, 1993-1998
%
\begin{code}
-module AsmCodeGen ( writeRealAsm, dumpRealAsm ) where
+module AsmCodeGen ( nativeCodeGen ) where
#include "HsVersions.h"
import IO ( Handle )
+import List ( intersperse )
import MachMisc
import MachRegs
import AsmRegAlloc ( runRegAllocate )
import OrdList ( OrdList )
import PrimOp ( commutableOp, PrimOp(..) )
-import PrimRep ( PrimRep{-instance Eq-} )
import RegAllocInfo ( mkMRegsState, MRegsState )
-import Stix ( StixTree(..), StixReg(..), CodeSegment )
-import UniqSupply ( returnUs, thenUs, mapUs, UniqSM, UniqSupply )
+import Stix ( StixTree(..), StixReg(..), pprStixTrees )
+import PrimRep ( isFloatingRep )
+import UniqSupply ( returnUs, thenUs, mapUs, initUs,
+ initUs_, UniqSM, UniqSupply )
+import UniqFM ( UniqFM, emptyUFM, addToUFM, lookupUFM )
import Outputable
+
+import GlaExts (trace) --tmp
+#include "nativeGen/NCG.h"
\end{code}
The 96/03 native-code generator has machine-independent and
\end{description}
So, here we go:
-\begin{code}
-writeRealAsm :: Handle -> AbstractC -> UniqSupply -> IO ()
-writeRealAsm handle absC us
- = _scc_ "writeRealAsm" (printForAsm handle (runNCG absC us))
-
-dumpRealAsm :: AbstractC -> UniqSupply -> SDoc
-dumpRealAsm = runNCG
-runNCG absC
- = genCodeAbstractC absC `thenUs` \ treelists ->
- let
- stix = map (map genericOpt) treelists
- in
- codeGen stix
+\begin{code}
+nativeCodeGen :: AbstractC -> UniqSupply -> (SDoc, SDoc)
+nativeCodeGen absC us
+ = let (stixRaw, us1) = initUs us (genCodeAbstractC absC)
+ stixOpt = map (map genericOpt) stixRaw
+ insns = initUs_ us1 (codeGen stixOpt)
+ debug_stix = vcat (map pprStixTrees stixOpt)
+ in
+ (debug_stix, insns)
\end{code}
@codeGen@ is the top-level code-generation function:
\begin{code}
codeGen :: [[StixTree]] -> UniqSM SDoc
-codeGen trees
- = mapUs genMachCode trees `thenUs` \ dynamic_codes ->
+codeGen stixFinal
+ = mapUs genMachCode stixFinal `thenUs` \ dynamic_codes ->
let
- static_instrs = scheduleMachCode dynamic_codes
+ static_instrss = scheduleMachCode dynamic_codes
+ docs = map (vcat . map pprInstr) static_instrss
in
- returnUs (vcat (map pprInstr static_instrs))
+ returnUs (vcat (intersperse (char ' '
+ $$ text "# ___stg_split_marker"
+ $$ char ' ')
+ docs))
\end{code}
Top level code generator for a chunk of stix code:
might be needed.
\begin{code}
-scheduleMachCode :: [InstrList] -> [Instr]
+scheduleMachCode :: [InstrList] -> [[Instr]]
scheduleMachCode
- = concat . map (runRegAllocate freeRegsState reservedRegs)
+ = map (runRegAllocate freeRegsState reservedRegs)
where
freeRegsState = mkMRegsState (extractMappedRegNos freeRegs)
\end{code}
primOpt op arg@[StInt x]
= case op of
IntNegOp -> StInt (-x)
- IntAbsOp -> StInt (abs x)
_ -> StPrim op arg
primOpt op args@[StInt x, StInt y]