X-Git-Url: http://git.joshuawise.com/snipe.git/blobdiff_plain/1144856ba9d6018d9922c6ede7e97779a0fe6373..459e54ac227128d4980ee40293b4b9fdd7b8ef26:/top/top.sml diff --git a/top/top.sml b/top/top.sml index c350c09..4b58d00 100644 --- a/top/top.sml +++ b/top/top.sml @@ -27,38 +27,61 @@ struct fun newline () = TextIO.output (TextIO.stdErr, "\n") exception EXIT + + val alloptimizations = + [ConstantFold.optimizer, + StupidFunctionElim.optimizer, + FeckfulnessAnalysis.optimizer, + ConstantFold.optimizer, + LabelCoalescing.optimizer, + Peephole.optimizer] + + val uniqopts = + foldr + (fn (opt : Optimizer.optimization, l) => + if (List.exists (fn (x : Optimizer.optimization) => (#shortname opt) = (#shortname x)) l) + then l + else opt :: l) + [] + alloptimizations - (* see flag explanations below *) - val flag_verbose = Flag.flag "verbose" - val flag_liveness = Flag.flag "liveness" - val flag_ast = Flag.flag "ast" - val flag_ir = Flag.flag "ir" - val flag_assem = Flag.flag "assem" - val flag_color = Flag.flag "color" - - fun reset_flags () = - List.app Flag.unset [flag_verbose, flag_ast, - flag_ir, flag_assem, flag_liveness]; + val enabledopts = ref alloptimizations val options = [{short = "v", long=["verbose"], - desc=G.NoArg (fn () => Flag.set flag_verbose), + desc=G.NoArg (fn () => Flag.set Flags.verbose), help="verbose messages"}, {short = "a", long=["dump-ast"], - desc=G.NoArg (fn () => Flag.set flag_ast), + desc=G.NoArg (fn () => Flag.set Flags.ast), help="pretty print the AST"}, {short = "i", long=["dump-ir"], - desc=G.NoArg (fn () => Flag.set flag_ir), + desc=G.NoArg (fn () => Flag.set Flags.ir), help="pretty print the IR"}, {short = "l", long=["dump-liveness"], - desc=G.NoArg (fn () => Flag.set flag_liveness), + desc=G.NoArg (fn () => Flag.set Flags.liveness), help="pretty print the liveness results"}, {short = "s", long=["dump-assem"], - desc=G.NoArg (fn () => Flag.set flag_assem), + desc=G.NoArg (fn () => Flag.set Flags.assem), help="pretty print the assembly before register allocaction"}, {short = "c", long=["dump-color"], - desc=G.NoArg (fn () => Flag.set flag_color), - help="pretty print the allocated regs"} - ] + desc=G.NoArg (fn () => Flag.set Flags.color), + help="pretty print the allocated regs"}, + {short = "", long=["safe"], + desc=G.NoArg (fn () => Flag.set Flags.safe), + help="enable memory-safety"}, + {short = "", long=["unsafe"], + desc=G.NoArg (fn () => Flag.unset Flags.safe), + help="disable memory-safety"}, + {short = "", long = ["disable-all"], + desc=G.NoArg (fn () => enabledopts := nil), + help="disable all optimizations"} + ] @ + map + (fn (opt : Optimizer.optimization) => + { short = "", long=["disable-" ^ (#shortname opt)], + desc = G.NoArg (* This is nasty. *) + (fn () => enabledopts := List.filter (fn x => (#shortname x) <> (#shortname opt)) (!enabledopts)), + help = "disable optimization: " ^ (#description opt) }) + uniqopts fun stem s = @@ -73,27 +96,30 @@ struct fun processir externs (Tree.FUNCTION (id, ir)) = let - val name = "_l4_" ^ (Symbol.name id) + val name = "_l5_" ^ (Symbol.name id) fun realname s = if (List.exists (fn n => s = n) externs) then s - else "_l4_" ^ s + else "_l5_" ^ s - val _ = Flag.guard flag_verbose say ("Processing function: " ^ name) + val _ = Flag.guard Flags.verbose say ("Processing function: " ^ name) - val _ = Flag.guard flag_verbose say " Generating proto-x86_64 code..." + val _ = Flag.guard Flags.verbose say " Generating proto-x86_64 code..." val assem = Codegen.codegen ir - val _ = Flag.guard flag_assem - (fn () => List.app (TextIO.print o (x86.prettyprint)) assem) () + val _ = Flag.guard Flags.assem + (fn () => List.app (TextIO.print o (x86.print)) assem) () - val _ = Flag.guard flag_verbose say " Analyzing liveness..." + val _ = Flag.guard Flags.verbose say " Optimizing pre-liveness..." + val assem = Optimizer.optimize_preliveness (!enabledopts) assem + + val _ = Flag.guard Flags.verbose say " Analyzing liveness..." val (preds, liveness) = Liveness.liveness assem; - val _ = Flag.guard flag_liveness + val _ = Flag.guard Flags.liveness (fn () => List.app (fn (asm, liv) => TextIO.print ( let - val xpp = x86.prettyprint asm + val xpp = x86.print asm val xpp = String.extract (xpp, 0, SOME (size xpp - 1)) val spaces = implode (List.tabulate (40 - size xpp, fn _ => #" ")) handle size => "" val lpp = Liveness.prettyprint liv @@ -104,32 +130,32 @@ struct end)) (ListPair.zip (assem, Liveness.listify liveness))) () - val _ = Flag.guard flag_verbose say " Graphing..." + val _ = Flag.guard Flags.verbose say " Graphing..." val (igraph,temps) = Igraph.gengraph (preds, liveness) - val _ = Flag.guard flag_verbose say " Ordering..." + val _ = Flag.guard Flags.verbose say " Ordering..." val order = ColorOrder.colororder (igraph,temps) - val _ = Flag.guard flag_verbose say " Coloring..." - val colors = Colorizer.colorize order igraph; - val _ = Flag.guard flag_color + val _ = Flag.guard Flags.verbose say " Coloring..." + val colors = Colorizer.colorize order igraph + val _ = Flag.guard Flags.color (fn () => List.app (TextIO.print o (fn (t, i) => (Temp.name t) ^ " => " ^ ( if (i <= x86.regtonum x86.R13D) - then (x86.prettyprint_oper x86.Long (x86.REG (x86.numtoreg i))) + then (x86.pp_oper (x86.REG (x86.numtoreg i), Temp.Long)) else "spill[" ^ Int.toString (i - x86.regtonum x86.R13D) ^ "]") ^ "--"^ Int.toString i ^ "\n")) colors) () - val _ = Flag.guard flag_verbose say " Solidifying x86_64 code..." - val x86 = Solidify.solidify colors assem; + val _ = Flag.guard Flags.verbose say " Solidifying x86_64 code..." + val x86 = Solidify.solidify colors assem - val _ = Flag.guard flag_verbose say " Peepholing..." - val x86p = Peephole.peephole x86; + val _ = Flag.guard Flags.verbose say " Optimizing final assembly..." + val x86p = Optimizer.optimize_final (!enabledopts) x86 - val _ = Flag.guard flag_verbose say " Stringifying..." + val _ = Flag.guard Flags.verbose say " Stringifying..." val x86d = [x86.DIRECTIVE(".globl " ^ name), x86.DIRECTIVE(name ^ ":")] @ x86p @@ -145,7 +171,7 @@ struct fun errfn msg = (say (msg ^ "\n" ^ usageinfo) ; raise EXIT) val _ = Temp.reset (); (* reset temp variable counter *) - val _ = reset_flags (); (* return all flags to default value *) + val _ = Flags.reset (); (* return all flags to default value *) val _ = if List.length args = 0 then (say usageinfo; raise EXIT) @@ -163,10 +189,12 @@ struct | [filename] => filename | _ => errfn "Error: more than one input file" - val _ = Flag.guard flag_verbose say ("Parsing... " ^ source) + val _ = Flag.guard Flags.verbose say ("Enabled optimizations: " ^ String.concat (map (fn x => (#shortname x) ^ " ") (!enabledopts))) + + val _ = Flag.guard Flags.verbose say ("Parsing... " ^ source) val ast = Parse.parse source val (_, funcs) = ast - val _ = Flag.guard flag_ast + val _ = Flag.guard Flags.ast (fn () => say (Ast.Print.pp_program ast)) () val externs = Symbol.mapPartiali @@ -175,18 +203,23 @@ struct | _ => NONE ) funcs - val _ = Flag.guard flag_verbose say "Checking..." + val _ = Flag.guard Flags.verbose say "Checking..." val ast = TypeChecker.typecheck ast - val _ = Flag.guard flag_verbose say "Translating..." + val _ = Flag.guard Flags.verbose say "Translating..." val ir = Trans.translate ast - val _ = Flag.guard flag_ir (fn () => say (Tree.Print.pp_program ir)) () - + val _ = Flag.guard Flags.ir (fn () => say (TreeUtils.Print.pp_program ir)) () + + val _ = Flag.guard Flags.verbose say "Optimizing whole-program IR..." + val ir = Optimizer.optimize_ir (!enabledopts) ir + val _ = Flag.guard Flags.ir (fn () => say (TreeUtils.Print.pp_program ir)) () + val output = foldr (fn (func, code) => (processir ("calloc" (* lololololol *) :: (Symbol.elems externs)) func) ^ code) - (".file\t\"" ^ source ^ "\"\n.ident\t\"15-411 L4 compiler by czl@ and jwise@\"\n") ir + (".file\t\"" ^ source ^ "\"\n.ident\t\"15-411 ASS compiler by czl@ and jwise@\"\n" ^ + ".ident \"Optimizations enabled: " ^ String.concat (map (fn x => (#shortname x) ^ " ") (!enabledopts)) ^ "\"\n") ir val afname = stem source ^ ".s" - val _ = Flag.guard flag_verbose say ("Writing assembly to " ^ afname ^ " ...") + val _ = Flag.guard Flags.verbose say ("Writing assembly to " ^ afname ^ " ...") val _ = SafeIO.withOpenOut afname (fn afstream => TextIO.output (afstream, output)) in