-(* L1 Compiler
+(* L3 Compiler
* Top Level Environment
* Author: Kaustuv Chaudhuri <kaustuv+@cs.cmu.edu>
* Modified: Alex Vaynberg <alv@andrew.cmu.edu>
(* 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_ir, flag_assem, flag_liveness];
val options = [{short = "v", long=["verbose"],
- desc=G.NoArg (fn () => Flag.set flag_verbose),
- help="verbose messages"},
- {short = "", long=["dump-ast"],
- desc=G.NoArg (fn () => Flag.set flag_ast),
- help="pretty print the AST"},
- {short = "", long=["dump-ir"],
- desc=G.NoArg (fn () => Flag.set flag_ir),
- help="pretty print the IR"},
- {short = "", long=["dump-assem"],
- desc=G.NoArg (fn () => Flag.set flag_assem),
- help="pretty print the assembly before register allocaction"}
- ]
+ desc=G.NoArg (fn () => Flag.set flag_verbose),
+ help="verbose messages"},
+ {short = "a", long=["dump-ast"],
+ desc=G.NoArg (fn () => Flag.set flag_ast),
+ help="pretty print the AST"},
+ {short = "i", long=["dump-ir"],
+ desc=G.NoArg (fn () => Flag.set flag_ir),
+ help="pretty print the IR"},
+ {short = "l", long=["dump-liveness"],
+ desc=G.NoArg (fn () => Flag.set flag_liveness),
+ help="pretty print the liveness results"},
+ {short = "s", long=["dump-assem"],
+ desc=G.NoArg (fn () => Flag.set flag_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"}
+ ]
fun stem s =
let
- val (prefix, suffix) =
- Substring.splitr (fn c => c <> #".") (Substring.full s)
+ val (prefix, suffix) =
+ Substring.splitr (fn c => c <> #".") (Substring.full s)
in
- if Substring.isEmpty prefix (* no "." in string s *)
- then s (* return whole string *)
- else Substring.string (Substring.trimr 1 prefix)
+ if Substring.isEmpty prefix (* no "." in string s *)
+ then s (* return whole string *)
+ else Substring.string (Substring.trimr 1 prefix)
end
-
- fun main (name, args) =
+
+ fun processir externs (Tree.FUNCTION (id, ir)) =
let
- val header = "Usage: compile [OPTION...] SOURCEFILE\nwhere OPTION is"
- val usageinfo = G.usageInfo {header = header, options = options}
- 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 _ = if List.length args = 0 then
- (say usageinfo; raise EXIT)
- else ()
-
- val (opts, files) =
- G.getOpt {argOrder = G.Permute,
- options = options,
- errFn = errfn}
- args
-
- val source =
- case files
- of [] => errfn "Error: no input file"
- | [filename] => filename
- | _ => errfn "Error: more than one input file"
-
- val _ = Flag.guard flag_verbose say ("Parsing... " ^ source)
- val ast = Parse.parse source
- val _ = Flag.guard flag_ast
- (fn () => say (Ast.Print.pp_program ast)) ()
-
- val _ = Flag.guard flag_verbose say "Checking..."
- val _ = TypeChecker.typecheck ast
-
- val _ = Flag.guard flag_verbose say "Translating..."
- val ir = Trans.translate ast
- val _ = Flag.guard flag_ir (fn () => say (Tree.Print.pp_program ir)) ()
-
- val _ = Flag.guard flag_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 flag_verbose say "Analyzing liveness..."
- val liveness = Liveness.liveness assem;
-
- val _ = Flag.guard flag_verbose say "Graphing..."
- val igraph = Igraph.gengraph liveness;
+ val name = "_l3_" ^ (Symbol.name id)
- val _ = Flag.guard flag_verbose say "Ordering..."
- val order = ColorOrder.colororder igraph;
+ fun realname s = if (List.exists (fn n => s = n) externs)
+ then s
+ else "_l3_" ^ s
+
+ val _ = Flag.guard flag_verbose say ("Processing function: " ^ name)
+
+ val _ = Flag.guard flag_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 x86.Long)) assem) ()
+
+ val _ = Flag.guard flag_verbose say " Analyzing liveness..."
+ val (preds, liveness) = Liveness.liveness assem;
+ val _ = Flag.guard flag_liveness
+ (fn () => List.app
+ (fn (asm, liv) =>
+ TextIO.print (
+ let
+ val xpp = x86.prettyprint x86.Long 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
+ val lpp = String.extract (lpp, 0, SOME (size lpp - 1))
+ val spaces2 = implode (List.tabulate (40 - size lpp, fn _ => #" ")) handle size => ""
+ in
+ xpp ^ spaces ^ lpp ^ spaces2 ^ "\n"
+ end))
+ (ListPair.zip (assem, Liveness.listify liveness))) ()
+
+ val _ = Flag.guard flag_verbose say " Graphing..."
+ val (igraph,temps) = Igraph.gengraph (preds, liveness)
+
+ val _ = Flag.guard flag_verbose say " Ordering..."
+ val order = ColorOrder.colororder (igraph,temps)
- val _ = Flag.guard flag_verbose say "Coloring..."
+ val _ = Flag.guard flag_verbose say " Coloring..."
val colors = Colorizer.colorize order igraph;
-
- val _ = Flag.guard flag_verbose say "Solidifying x86_64 code..."
+ val _ = Flag.guard flag_color
+ (fn () => List.app (TextIO.print o
+ (fn (t, i) =>
+ (Temp.name t) ^ " => " ^ (
+ if (i <= x86.regtonum x86.R14D)
+ then (x86.prettyprint_oper x86.Long (x86.REG (x86.numtoreg i)))
+ else
+ "spill[" ^ Int.toString (i - x86.regtonum x86.R14D) ^ "]")
+ ^ "--"^ Int.toString i ^ "\n"))
+ colors) ()
+
+ val _ = Flag.guard flag_verbose say " Solidifying x86_64 code..."
val x86 = Solidify.solidify colors assem;
- val _ = Flag.guard flag_verbose say "Peepholing..."
+ val _ = Flag.guard flag_verbose say " Peepholing..."
val x86p = Peephole.peephole x86;
+
+ val _ = Flag.guard flag_verbose say " Stringifying..."
+ val x86d = [x86.DIRECTIVE(".globl " ^ name),
+ x86.DIRECTIVE(name ^ ":")]
+ @ x86p
+ val code = Stringify.stringify realname x86d
+ in
+ code
+ end
+
+ fun main (name, args) =
+ let
+ val header = "Usage: compile [OPTION...] SOURCEFILE\nwhere OPTION is"
+ val usageinfo = G.usageInfo {header = header, options = options}
+ 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 _ = if List.length args = 0 then
+ (say usageinfo; raise EXIT)
+ else ()
+
+ val (opts, files) =
+ G.getOpt {argOrder = G.Permute,
+ options = options,
+ errFn = errfn}
+ args
+
+ val source =
+ case files
+ of [] => errfn "Error: no input file"
+ | [filename] => filename
+ | _ => errfn "Error: more than one input file"
+
+ val _ = Flag.guard flag_verbose say ("Parsing... " ^ source)
+ val ast = Parse.parse source
+ val _ = Flag.guard flag_ast
+ (fn () => say (Ast.Print.pp_program ast)) ()
+
+ val externs = List.mapPartial
+ (fn (Ast.Function _) => NONE
+ | (Ast.Extern (_, s, _)) => SOME (Symbol.name s)) ast
- val _ = Flag.guard flag_verbose say "Stringifying..."
- val x86d = [x86.DIRECTIVE(".file\t\"" ^ source ^ "\""),
- x86.DIRECTIVE(".globl _l1_main"),
- x86.DIRECTIVE("_l1_main:")]
- @ x86p
- @ [x86.DIRECTIVE ".ident\t\"15-411 L1 compiler v2 by czl@ and jwise@\""]
- val code = Stringify.stringify x86d
-
- val afname = stem source ^ ".s"
- val _ = Flag.guard flag_verbose say ("Writing assembly to " ^ afname ^ " ...")
- val _ = SafeIO.withOpenOut afname (fn afstream =>
- TextIO.output (afstream, code))
+ val _ = Flag.guard flag_verbose say "Checking..."
+ val ast = TypeChecker.typecheck ast
+
+ val _ = Flag.guard flag_verbose say "Translating..."
+ val ir = Trans.translate ast
+ val _ = Flag.guard flag_ir (fn () => say (Tree.Print.pp_program ir)) ()
+
+ val output = foldr (fn (func, code) => (processir externs func) ^ code)
+ (".file\t\"" ^ source ^ "\"\n.ident\t\"15-411 L3 compiler by czl@ and jwise@\"\n") ir
+
+ val afname = stem source ^ ".s"
+ val _ = Flag.guard flag_verbose say ("Writing assembly to " ^ afname ^ " ...")
+ val _ = SafeIO.withOpenOut afname (fn afstream =>
+ TextIO.output (afstream, output))
in
- OS.Process.success
+ OS.Process.success
end
handle ErrorMsg.Error => ( say "Compilation failed" ; OS.Process.failure )
- | EXIT => OS.Process.failure
- | ErrorMsg.InternalError s => ( say ("Internal compiler error: "^s^"\n"); OS.Process.failure)
+ | EXIT => OS.Process.failure
+ | ErrorMsg.InternalError s => ( say ("Internal compiler error: "^s^"\n"); OS.Process.failure)
| e => (say ("Unrecognized exception " ^ exnMessage e); OS.Process.failure)
fun test s = main ("", String.tokens Char.isSpace s)
git.joshuawise.com / snipe.git / blobdiff