diff --git a/asmcomp/Makefile b/asmcomp/Makefile
deleted file mode 100644
index dc70e9131..000000000
--- a/asmcomp/Makefile
+++ /dev/null
@@ -1,91 +0,0 @@
-ARCH=alpha
-
-include ../Makefile.config
-
-CAMLC=cslc
-COMPFLAGS=$(INCLUDES)
-LINKFLAGS=
-CAMLYACC=cslyacc
-YACCFLAGS=
-CAMLLEX=csllex
-CAMLDEP=../tools/camldep
-DEPFLAGS=$(INCLUDES)
-CAMLRUN=cslrun
-
-INCLUDES=-I ../utils -I ../typing
-
-UTILS=../utils/misc.cmo ../utils/tbl.cmo ../typing/ident.cmo
-
-OBJS=arch.cmo cmm.cmo printcmm.cmo \
-  reg.cmo mach.cmo proc.cmo printmach.cmo \
-  selection.cmo sequence.cmo liveness.cmo spill.cmo split.cmo \
-  interf.cmo coloring.cmo reload.cmo linearize.cmo printlinear.cmo \
-  emitaux.cmo emit.cmo \
-  parsecmmaux.cmo parsecmm.cmo lexcmm.cmo \
-  codegen.cmo main.cmo
-
-codegen: $(OBJS)
-	$(CAMLC) $(LINKFLAGS) -o codegen $(UTILS) $(OBJS)
-clean::
-	rm -f codegen
-
-# Choose the right arch, emit and proc files
-
-arch.ml: arch_$(ARCH).ml
-	ln -s arch_$(ARCH).ml arch.ml
-clean::
-	rm -f arch.ml
-beforedepend:: arch.ml
-
-proc.ml: proc_$(ARCH).ml
-	ln -s proc_$(ARCH).ml proc.ml
-clean::
-	rm -f proc.ml
-beforedepend:: proc.ml
-
-# Preprocess the code emitters
-
-emit.ml: emit_$(ARCH).mlp ../tools/cvt_emit
-	../tools/cvt_emit emit_$(ARCH).mlp > emit.ml || rm -f emit.ml
-clean::
-	rm -f emit.ml
-
-beforedepend:: emit.ml
-
-# The parser
-
-parsecmm.mli parsecmm.ml: parsecmm.mly
-	$(CAMLYACC) $(YACCFLAGS) parsecmm.mly
-
-clean::
-	rm -f parsecmm.mli parsecmm.ml parsecmm.output
-
-beforedepend:: parsecmm.mli parsecmm.ml
-
-# The lexer
-
-lexcmm.ml: lexcmm.mll
-	$(CAMLLEX) lexcmm.mll
-
-clean::
-	rm -f lexcmm.ml
-
-beforedepend:: lexcmm.ml
-
-# Default rules
-
-.SUFFIXES: .ml .mli .cmo .cmi
-
-.ml.cmo:
-	$(CAMLC) $(COMPFLAGS) -c $<
-
-.mli.cmi:
-	$(CAMLC) $(COMPFLAGS) -c $<
-
-clean::
-	rm -f *.cm[io] *~
-
-depend: beforedepend
-	$(CAMLDEP) $(DEPFLAGS) *.mli *.ml > .depend
-
-include .depend
diff --git a/asmcomp/lexcmm.mli b/asmcomp/lexcmm.mli
deleted file mode 100644
index f9fe6afad..000000000
--- a/asmcomp/lexcmm.mli
+++ /dev/null
@@ -1,10 +0,0 @@
-val token: Lexing.lexbuf -> Parsecmm.token
-
-type error =
-    Illegal_character
-  | Unterminated_comment
-  | Unterminated_string
-
-exception Error of error
-
-val report_error: Lexing.lexbuf -> error -> unit
diff --git a/asmcomp/main.ml b/asmcomp/main.ml
deleted file mode 100644
index f912a8d21..000000000
--- a/asmcomp/main.ml
+++ /dev/null
@@ -1,17 +0,0 @@
-let main() =
-  Arg.parse
-    ["-dcmm", Arg.Unit(fun () -> Codegen.dump_cmm := true);
-     "-dsel", Arg.Unit(fun () -> Codegen.dump_selection := true);
-     "-dlive", Arg.Unit(fun () -> Codegen.dump_live := true;
-                                  Printmach.print_live := true);
-     "-dspill", Arg.Unit(fun () -> Codegen.dump_spill := true);
-     "-dsplit", Arg.Unit(fun () -> Codegen.dump_split := true);
-     "-dinterf", Arg.Unit(fun () -> Codegen.dump_interf := true);
-     "-dprefer", Arg.Unit(fun () -> Codegen.dump_prefer := true);
-     "-dalloc", Arg.Unit(fun () -> Codegen.dump_regalloc := true);
-     "-dreload", Arg.Unit(fun () -> Codegen.dump_reload := true);
-     "-dlinear", Arg.Unit(fun () -> Codegen.dump_linear := true)]
-    Codegen.file
-
-let _ = Printexc.catch main (); exit 0
-
diff --git a/asmcomp/parsecmmaux.ml b/asmcomp/parsecmmaux.ml
deleted file mode 100644
index d41d2b71c..000000000
--- a/asmcomp/parsecmmaux.ml
+++ /dev/null
@@ -1,26 +0,0 @@
-(* Auxiliary functions for parsing *)
-
-type error =
-    Unbound of string
-
-exception Error of error
-
-let tbl_ident = (Hashtbl.new 57 : (string, Ident.t) Hashtbl.t)
-
-let bind_ident s =
-  let id = Ident.new s in
-  Hashtbl.add tbl_ident s id;
-  id
-
-let find_ident s =
-  try
-    Hashtbl.find tbl_ident s
-  with Not_found ->
-    raise(Error(Unbound s))
-
-let unbind_ident id =
-  Hashtbl.remove tbl_ident (Ident.name id)
-
-let report_error = function
-    Unbound s ->
-      prerr_string "Unbound identifier "; prerr_string s; prerr_endline "."
diff --git a/asmcomp/parsecmmaux.mli b/asmcomp/parsecmmaux.mli
deleted file mode 100644
index c7920803a..000000000
--- a/asmcomp/parsecmmaux.mli
+++ /dev/null
@@ -1,12 +0,0 @@
-(* Auxiliary functions for parsing *)
-
-val bind_ident: string -> Ident.t
-val find_ident: string -> Ident.t
-val unbind_ident: Ident.t -> unit
-
-type error =
-    Unbound of string
-
-exception Error of error
-
-val report_error: error -> unit
diff --git a/asmcomp/sequence.ml b/asmcomp/sequence.ml
deleted file mode 100644
index b8bcbf4f3..000000000
--- a/asmcomp/sequence.ml
+++ /dev/null
@@ -1,354 +0,0 @@
-(* "Sequentialization": from C-- to sequences of pseudo-instructions
-   with pseudo-registers. *)
-
-open Misc
-open Cmm
-open Reg
-open Selection
-open Mach
-
-(* Naming of registers *)
-
-let all_regs_anonymous rv =
-  try
-    for i = 0 to Array.length rv - 1 do
-      if String.length rv.(i).name > 0 then raise Exit
-    done;
-    true
-  with Exit ->
-    false
-
-let name_regs id rv =
-  if Array.length rv = 1 then
-    rv.(0).name <- Ident.name id
-  else
-    for i = 0 to Array.length rv - 1 do
-      rv.(i).name <- Ident.name id ^ "#" ^ string_of_int i
-    done
-
-(* Buffering of instruction sequences *)
-
-type instruction_sequence = instruction ref
-
-let new_sequence() = ref dummy_instr
-
-let insert desc arg res seq =
-  seq := instr_cons desc arg res !seq
-
-let extract_sequence seq =
-  let rec extract res i =
-    if i == dummy_instr
-    then res
-    else extract (instr_cons i.desc i.arg i.res res) i.next in
-  extract (end_instr()) !seq
-
-(* Insert a sequence of moves from one pseudoreg set to another. *)
-
-let insert_moves src dst seq =
-  for i = 0 to Array.length src - 1 do
-    if src.(i).stamp <> dst.(i).stamp then
-      insert (Iop Imove) [|src.(i)|] [|dst.(i)|] seq
-  done
-
-(* Insert moves and stackstores for function arguments and function results *)
-
-let insert_move_args arg loc stacksize seq =
-  if stacksize <> 0 then insert (Iop(Istackoffset stacksize)) [||] [||] seq;
-  insert_moves arg loc seq
-
-let insert_move_results loc res stacksize seq =
-  if stacksize <> 0 then insert(Iop(Istackoffset(-stacksize))) [||] [||] seq;
-  insert_moves loc res seq
-
-(* "Join" two instruction sequences, making sure they return their results
-   in the same registers. *)
-
-let join r1 seq1 r2 seq2 =
-  if Array.length r1 = 0 then r2
-  else if Array.length r2 = 0 then r1
-  else begin insert_moves r2 r1 seq2; r1 end
-
-(* Same, for N branches *)
-
-let join_array rs =
-  let dest = ref [||] in
-  for i = 0 to Array.length rs - 1 do
-    let (r, s) = rs.(i) in
-    if Array.length r > 0 then dest := r
-  done;
-  if Array.length !dest > 0 then
-    for i = 0 to Array.length rs - 1 do
-      let (r, s) = rs.(i) in
-      if Array.length r > 0 then insert_moves r !dest s
-    done;
-  !dest
-
-(* Add the instructions for the given expression
-   at the end of the given sequence *)
-
-let rec emit_expr env exp seq =
-  match exp with
-    Sconst c ->
-      let ty =
-        match c with
-          Const_int n -> typ_int
-        | Const_float f -> typ_float
-        | Const_symbol s -> typ_addr
-        | Const_pointer n -> typ_addr in
-      let r = Reg.newv ty in
-      insert (Iop(Iconstant c)) [||] r seq;
-      r
-  | Svar v ->
-      begin try
-        Tbl.find v env
-      with Not_found ->
-        fatal_error("Sequence.emit_expr: unbound var " ^ Ident.name v)
-      end
-  | Slet(v, e1, e2) ->
-      emit_expr (emit_let env v e1 seq) e2 seq
-  | Sassign(v, e1) ->
-      let rv =
-        try
-          Tbl.find v env
-        with Not_found ->
-          fatal_error ("Sequence.emit_expr: unbound var " ^ Ident.name v) in
-      let r1 = emit_expr env e1 seq in
-      insert_moves r1 rv seq;
-      [||]
-  | Stuple(ev, perm) ->
-      let rv = Array.new (Array.length ev) [||] in
-      List.iter (fun i -> rv.(i) <- emit_expr env ev.(i) seq) perm;
-      Array.concat(Array.to_list rv)
-  | Sop(Icall_ind, e1, ty) ->
-      Proc.contains_calls := true;
-      let r1 = emit_expr env e1 seq in
-      let rarg = Array.sub r1 1 (Array.length r1 - 1) in
-      let rd = Reg.newv ty in
-      let (loc_arg, stack_ofs) = Proc.loc_arguments rarg in
-      let loc_res = Proc.loc_results rd in
-      insert_move_args rarg loc_arg stack_ofs seq;
-      insert (Iop Icall_ind) (Array.append [|r1.(0)|] loc_arg) loc_res seq;
-      insert_move_results loc_res rd stack_ofs seq;
-      rd
-  | Sop(Icall_imm lbl, e1, ty) ->
-      Proc.contains_calls := true;
-      let r1 = emit_expr env e1 seq in
-      let rd = Reg.newv ty in
-      let (loc_arg, stack_ofs) = Proc.loc_arguments r1 in
-      let loc_res = Proc.loc_results rd in
-      insert_move_args r1 loc_arg stack_ofs seq;
-      insert (Iop(Icall_imm lbl)) loc_arg loc_res seq;
-      insert_move_results loc_res rd stack_ofs seq;
-      rd
-  | Sop(Iextcall lbl, e1, ty) ->
-      Proc.contains_calls := true;
-      let r1 = emit_expr env e1 seq in
-      let rd = Reg.newv ty in
-      let (loc_arg, stack_ofs) = Proc.loc_external_arguments r1 in
-      let loc_res = Proc.loc_external_results rd in
-      insert_move_args r1 loc_arg stack_ofs seq;
-      insert (Iop(Iextcall lbl)) loc_arg loc_res seq;
-      insert_move_results loc_res rd stack_ofs seq;
-      rd
-  | Sop(Iload(Word, addr), e1, ty) ->
-      let r1 = emit_expr env e1 seq in
-      let rd = Reg.newv ty in
-      let a = ref addr in
-      for i = 0 to Array.length ty - 1 do
-        insert(Iop(Iload(Word, !a))) r1 [|rd.(i)|] seq;
-        a := Arch.offset_addressing !a (size_component ty.(i))
-      done;
-      rd
-  | Sop(Istore(Word, addr), e1, _) ->
-      let r1 = emit_expr env e1 seq in
-      let na = Arch.num_args_addressing addr in
-      let ra = Array.sub r1 0 na in
-      let a = ref addr in
-      for i = na to Array.length r1 - 1 do
-        insert(Iop(Istore(Word, !a))) (Array.append [|r1.(i)|] ra) [||] seq;
-        a := Arch.offset_addressing !a (size_component r1.(i).typ)
-      done;
-      [||]
-  | Sop(Ialloc _, e1, _) ->
-      Proc.contains_calls := true;
-      let r1 = emit_expr env e1 seq in
-      let rd = Reg.newv typ_addr in
-      insert (Iop(Ialloc(Cmm.size_machtype(Array.map (fun r -> r.typ) r1))))
-             [||] rd seq;
-      let a =
-        ref (Arch.offset_addressing Arch.identity_addressing
-                                    (-Arch.size_int)) in
-      for i = 0 to Array.length r1 - 1 do
-        insert(Iop(Istore(Word, !a))) [|r1.(i); rd.(0)|] [||] seq;
-        a := Arch.offset_addressing !a (size_component r1.(i).typ)
-      done;
-      rd
-  | Sop(op, e1, ty) ->
-      begin match op with
-        Imodify -> Proc.contains_calls := true | _ -> ()
-      end;
-      let r1 = emit_expr env e1 seq in
-      let rd = Reg.newv ty in
-      begin try
-        (* Offer the processor description an opportunity to insert moves
-           before and after the operation, i.e. for two-address instructions,
-           or instructions using dedicated registers. *)
-        let (rsrc, rdst) = Proc.pseudoregs_for_operation op r1 rd in
-        insert_moves r1 rsrc seq;
-        insert (Iop op) rsrc rdst seq;
-        insert_moves rdst rd seq
-      with Proc.Use_default ->
-        (* Assume no constraints on arg and res registers *)
-        insert (Iop op) r1 rd seq
-      end;
-      rd
-  | Sproj(e1, ofs, len) ->
-      let r1 = emit_expr env e1 seq in
-      Array.sub r1 ofs len
-  | Ssequence(e1, e2) ->
-      emit_expr env e1 seq;
-      emit_expr env e2 seq
-  | Sifthenelse(cond, earg, eif, eelse) ->
-      let rarg = emit_expr env earg seq in
-      let (rif, sif) = emit_sequence env eif in
-      let (relse, selse) = emit_sequence env eelse in
-      let r = join rif sif relse selse in
-      insert (Iifthenelse(cond, extract_sequence sif, extract_sequence selse))
-             rarg [||] seq;
-      r
-  | Sswitch(esel, index, ecases) ->
-      let rsel = emit_expr env esel seq in
-      let rscases = Array.map (emit_sequence env) ecases in
-      let r = join_array rscases in
-      insert (Iswitch(index,
-                      Array.map (fun (r, s) -> extract_sequence s) rscases))
-             rsel [||] seq;
-      r
-  | Sloop(ebody) ->
-      let (rarg, sbody) = emit_sequence env ebody in
-      insert (Iloop(extract_sequence sbody)) [||] [||] seq;
-      [||]
-  | Scatch(e1, e2) ->
-      let (r1, s1) = emit_sequence env e1 in
-      let (r2, s2) = emit_sequence env e2 in
-      let r = join r1 s1 r2 s2 in
-      insert (Icatch(extract_sequence s1, extract_sequence s2)) [||] [||] seq;
-      r
-  | Sexit ->
-      insert Iexit [||] [||] seq;
-      [||]
-  | Strywith(e1, v, e2) ->
-      let (r1, s1) = emit_sequence env e1 in
-      let rv = Reg.newv typ_addr in
-      let (r2, s2) = emit_sequence (Tbl.add v rv env) e2 in
-      let r = join r1 s1 r2 s2 in
-      insert
-        (Itrywith(extract_sequence s1,
-                  instr_cons (Iop Imove) [|Proc.loc_exn_bucket|] rv
-                     (extract_sequence s2)))
-        [||] [||] seq;
-      r
-  | Sraise e1 ->
-      let r1 = emit_expr env e1 seq in
-      insert Iraise r1 [||] seq;
-      [||]
-
-and emit_sequence env exp =
-  let seq = new_sequence() in
-  let r = emit_expr env exp seq in
-  (r, seq)
-
-and emit_let env v e1 seq =
-  let r1 = emit_expr env e1 seq in
-  if all_regs_anonymous r1 then begin
-    name_regs v r1;
-    Tbl.add v r1 env
-  end else begin
-    let rv = Array.new (Array.length r1) Reg.dummy in
-    for i = 0 to Array.length r1 - 1 do rv.(i) <- Reg.new r1.(i).typ done;
-    name_regs v rv;
-    insert_moves r1 rv seq;
-    Tbl.add v rv env
-  end
-
-(* Same, but in tail position *)
-
-let emit_return env exp seq =
-  let r = emit_expr env exp seq in
-  let loc = Proc.loc_results r in
-  insert_moves r loc seq;
-  insert Ireturn loc [||] seq
-
-let rec emit_tail env exp seq =
-  match exp with
-    Slet(v, e1, e2) ->
-      emit_tail (emit_let env v e1 seq) e2 seq
-  | Sop(Icall_ind, e1, ty) ->
-      let r1 = emit_expr env e1 seq in
-      let rarg = Array.sub r1 1 (Array.length r1 - 1) in
-      let (loc_arg, stack_ofs) = Proc.loc_arguments rarg in
-      if stack_ofs <> 0 then
-        emit_return env exp seq
-      else begin
-        insert_moves rarg loc_arg seq;
-        insert (Iop Itailcall_ind) (Array.append [|r1.(0)|] loc_arg) [||] seq
-      end
-  | Sop(Icall_imm lbl, e1, ty) ->
-      let r1 = emit_expr env e1 seq in
-      let (loc_arg, stack_ofs) = Proc.loc_arguments r1 in
-      if stack_ofs <> 0 then
-        emit_return env exp seq
-      else begin
-        insert_moves r1 loc_arg seq;
-        insert (Iop(Itailcall_imm lbl)) loc_arg [||] seq
-      end
-  | Ssequence(e1, e2) ->
-      emit_expr env e1 seq;
-      emit_tail env e2 seq
-  | Sifthenelse(cond, earg, eif, eelse) ->
-      let rarg = emit_expr env earg seq in
-      insert (Iifthenelse(cond, emit_tail_sequence env eif,
-                                emit_tail_sequence env eelse))
-             rarg [||] seq
-  | Sswitch(esel, index, ecases) ->
-      let rsel = emit_expr env esel seq in
-      insert (Iswitch(index, Array.map (emit_tail_sequence env) ecases))
-             rsel [||] seq
-  | Scatch(e1, e2) ->
-      insert (Icatch(emit_tail_sequence env e1, emit_tail_sequence env e2))
-             [||] [||] seq
-  | Sexit ->
-      insert Iexit [||] [||] seq
-  | Sraise e1 ->
-      let r1 = emit_expr env e1 seq in
-      let rd = [|Proc.loc_exn_bucket|] in
-      insert (Iop Imove) r1 rd seq;
-      insert Iraise rd [||] seq
-  | _ ->
-      emit_return env exp seq
-
-and emit_tail_sequence env exp =
-  let seq = new_sequence() in
-  emit_tail env exp seq;
-  extract_sequence seq
-
-(* Sequentialization of a function definition *)
-
-let fundecl f =
-  Proc.contains_calls := false;
-  let rargs =
-    List.map
-      (fun (id, ty) -> let r = Reg.newv ty in name_regs id r; r)
-      f.Cmm.fun_args in
-  let rarg = Array.concat rargs in
-  let loc_arg = Proc.loc_parameters rarg in
-  let env =
-    List.fold_right2
-      (fun (id, ty) r env -> Tbl.add id r env)
-      f.Cmm.fun_args rargs Tbl.empty in
-  let seq = new_sequence() in
-  insert_moves loc_arg rarg seq;
-  emit_tail env (Selection.expression f.Cmm.fun_body) seq;
-  { fun_name = f.Cmm.fun_name;
-    fun_args = loc_arg;
-    fun_body = extract_sequence seq }
diff --git a/asmcomp/sequence.mli b/asmcomp/sequence.mli
deleted file mode 100644
index e50c0edc6..000000000
--- a/asmcomp/sequence.mli
+++ /dev/null
@@ -1,4 +0,0 @@
-(* "Sequentialization": from C-- to sequences of pseudo-instructions
-   with pseudo-registers. *)
-
-val fundecl: Cmm.fundecl -> Mach.fundecl
diff --git a/asmrun/compare.c b/asmrun/compare.c
deleted file mode 100644
index 2b10ccf4a..000000000
--- a/asmrun/compare.c
+++ /dev/null
@@ -1,65 +0,0 @@
-#include <stdio.h>
-#include "mlvalues.h"
-
-value equal(v1, v2)
-     value v1, v2;
-{
-  header_t hdr1, hdr2;
-  long size, i;
-
- tailcall:
-  if (v1 == v2) return Val_true;
-  if (v1 & 1) return Val_false;
-  if (v1 & 1) return Val_false;
-  hdr1 = Header_val(v1) & ~Modified_mask;
-  hdr2 = Header_val(v2) & ~Modified_mask;
-  switch(Tag_header(hdr1)) {
-  case Closure_tag:
-  case Infix_tag:
-    fprintf(stderr, "equal between functions\n");
-    exit(2);
-  case String_tag:
-    if (hdr1 != hdr2) return Val_false;
-    size = Size_header(hdr1);
-    for (i = 0; i < size; i++)
-      if (Field(v1, i) != Field(v2, i)) return Val_false;
-    return Val_true;
-  case Double_tag:
-    if (Double_val(v1) == Double_val(v2))
-      return Val_true;
-    else
-      return Val_false;
-  case Abstract_tag:
-  case Finalized_tag:
-    fprintf(stderr, "equal between abstract types\n");
-    exit(2);
-  default:
-    if (hdr1 != hdr2) return Val_false;
-    size = Size_header(hdr1);
-    for (i = 0; i < size-1; i++)
-      if (equal(Field(v1, i), Field(v2, i)) == Val_false) return Val_false;
-    v1 = Field(v1, i);
-    v2 = Field(v2, i);
-    goto tailcall;
-  }
-}
-
-value notequal(v1, v2)
-     value v1, v2;
-{
-  return (4 - equal(v1, v2));
-}
-
-#define COMPARISON(name) \
-value name(v1, v2) \
-     value v1, v2; \
-{ \
-  fprintf(stderr, "%s not implemented.\n", #name); \
-  exit(2); \
-}
-
-COMPARISON(greaterequal)
-COMPARISON(lessequal)
-COMPARISON(greaterthan)
-COMPARISON(lessthan)
-
diff --git a/asmrun/debug.c b/asmrun/debug.c
deleted file mode 100644
index ef22b0893..000000000
--- a/asmrun/debug.c
+++ /dev/null
@@ -1,135 +0,0 @@
-#include <stdio.h>
-#include "misc.h"
-#include "mlvalues.h"
-
-char * young_start, * young_ptr, * young_end;
-char * old_start, * old_ptr, * old_end;
-value ** remembered_start, ** remembered_ptr, ** remembered_end;
-
-void failed_assert(file, line)
-     char * file;
-     int line;
-{
-  fprintf(stderr, "Failed assertion, file %s, line %d\n", file, line);
-  exit(2);
-}
-
-extern unsigned long _etext;
-long current_break;
-
-/* Check that an object is (reasonably) well-formed */
-
-#define MAX_SIZE 63
-#define MAX_TAG 1
-
-void check_field(v)
-     value v;
-{
-  if (Is_int(v)) return;
-  Assert((v & (sizeof(value) - 1)) == 0);
-  Assert(v >= (long) &_etext && v <= (long) current_break);
-  if ((char *)v > young_start && (char *)v <= young_end) {
-    Assert((char *)v > young_ptr);
-  }
-}
-
-void check_value(v)
-     value v;
-{
-  header_t hdr, sz;
-  int i;
-
-  if (Is_int(v)) return;
-  check_field(v);
-  hdr = Header_val(v);
-  sz = Size_val(v);
-  Assert((hdr & 0x300) == 0);
-  switch(Tag_header(hdr)) {
-  case Double_tag:
-    Assert(sz == sizeof(double) / sizeof(value));
-    break;
-  case String_tag:
-    i = ((char *)v)[sz * sizeof(value) - 1];
-    Assert(i >= 0 && i < sizeof(value));
-    Assert(((char *)v)[sz * sizeof(value) - 1 - i] == 0);
-    break;
-  case Abstract_tag:
-  case Finalized_tag:
-    Assert(0);
-    break;
-  case Infix_tag:
-    v -= sz * sizeof(value);
-    Assert(Header_val(v) == Closure_tag);
-    check_value(v);
-    break;
-  case Closure_tag:
-    Assert(Field(v, 0) < (long)&_etext);
-    if (Field(v, 1) == Val_int(1)) {
-      i = 2;
-    } else {
-      Assert(Is_int(Field(v, 1)));
-      Assert(Field(v, 2) < (long)&_etext);
-      i = 3;
-    }
-    while(1) {
-      hdr = (header_t) Field(v, i);
-      if (Tag_header(hdr) != Infix_tag) break;
-      i++;
-      Assert(Size_header(hdr) == i);
-      Assert(Field(v, i) < (long)&_etext);
-      i++;
-      if (Field(v, i) == Val_int(1)) {
-        i++;
-      } else {
-        Assert(Is_int(Field(v, i)));
-        i++;
-        Assert(Field(v, i) < (long)&_etext);
-        i++;
-      }
-    }
-    for (/*nothing*/; i < sz; i++) check_field(Field(v, i));
-    break;
-  default:
-#ifdef MAX_SIZE
-    Assert(sz <= MAX_SIZE);
-#endif
-#ifdef MAX_TAG
-    Assert(Tag_header(hdr) <= MAX_TAG);
-#endif
-    for (i = 0; i < sz; i++) check_field(Field(v, i));
-    break;
-  }
-}
-
-/* Check that a heap chunk is well-formed */
-
-void check_heap(start, end)
-     char * start;
-     char * end;
-{
-  char * p;
-  value v;
-
-  current_break = sbrk(0);
-  p = start;
-  while (p < end) {
-    v = (value)(p + sizeof(header_t));
-    check_value(v);
-    p += sizeof(header_t) + Size_val(v) * sizeof(value);
-  }
-  Assert(p == end);
-}
-
-/* Check the globals */
-
-extern value * caml_globals[];
-
-void check_globals()
-{
-  int i;
-  current_break = sbrk(0);
-  for (i = 0; caml_globals[i] != 0; i++) {
-    value v = *(caml_globals[i]);
-    if (v != 0) check_value(v);
-  }
-}
diff --git a/asmrun/gc.c b/asmrun/gc.c
deleted file mode 100644
index 285c239a1..000000000
--- a/asmrun/gc.c
+++ /dev/null
@@ -1,295 +0,0 @@
-#include <stdio.h>
-#include <stdlib.h>
-#include "misc.h"
-#include "mlvalues.h"
-
-char * young_start, * young_ptr, * young_end;
-char * old_start, * old_ptr, * old_end;
-value ** remembered_start, ** remembered_ptr, ** remembered_end;
-
-/* Heap initialization */
-
-int young_size = 32 * sizeof(value) * 1024; /* 128K / 256K */
-int old_size = 256 * sizeof(value) * 1024;  /* 1M / 2M */
-int remembered_size = 4096;
-
-void init_heap()
-{
-  young_start = malloc(young_size);
-  old_start = malloc(old_size);
-  remembered_start =
-    (value **) malloc(remembered_size * sizeof(value *));
-  if (young_start == NULL ||
-      old_start == NULL ||
-      remembered_start == NULL) {
-    fprintf(stderr, "Cannot allocate initial heap\n");
-    exit(2);
-  }
-  young_end = young_start + young_size;
-  young_ptr = young_end;
-  old_end = old_start + old_size;
-  old_ptr = old_start;
-  remembered_end = remembered_start + remembered_size;
-  remembered_ptr = remembered_start;
-}
-
-/* The hashtable of frame descriptors */
-
-typedef struct {
-  unsigned long retaddr;
-  short frame_size;
-  short num_live;
-  short live_ofs[1];
-} frame_descr;
-
-static frame_descr ** frame_descriptors = NULL;
-static int frame_descriptors_mask;
-
-#define Hash_retaddr(addr) \
-  (((unsigned long)(addr) >> 2) & frame_descriptors_mask)
-
-extern long * caml_frametable[];
-
-static void init_frame_descriptors()
-{
-  long num_descr, tblsize, i, j, len;
-  long * tbl;
-  frame_descr * d;
-  unsigned long h;
-
-  /* Count the frame descriptors */
-  num_descr = 0;
-  for (i = 0; caml_frametable[i] != 0; i++)
-    num_descr += *(caml_frametable[i]);
-
-  /* The size of the hashtable is a power of 2 greater or equal to
-     4 times the number of descriptors */
-  tblsize = 4;
-  while (tblsize < 4 * num_descr) tblsize *= 2;
-
-  /* Allocate the hash table */
-  frame_descriptors =
-    (frame_descr **) malloc(tblsize * sizeof(frame_descr *));
-  for (i = 0; i < tblsize; i++) frame_descriptors[i] = NULL;
-  frame_descriptors_mask = tblsize - 1;
-
-  /* Fill the hash table */
-  for (i = 0; caml_frametable[i] != 0; i++) {
-    tbl = caml_frametable[i];
-    len = *tbl;
-    d = (frame_descr *)(tbl + 1);
-    for (j = 0; j < len; j++) {
-      h = Hash_retaddr(d->retaddr);
-      while (frame_descriptors[h] != NULL) {
-        h = (h+1) & frame_descriptors_mask;
-      }
-      frame_descriptors[h] = d;
-      d = (frame_descr *)
-        (((unsigned long)d +
-          sizeof(char *) + sizeof(short) + sizeof(short) +
-          sizeof(short) * d->num_live + sizeof(frame_descr *) - 1)
-         & -sizeof(frame_descr *));
-    }
-  }
-}
-
-/* Copy an object (but not its descendents) and overwrite it with
-   its new location */
-
-#define Forward_mask 0x100
-
-#if defined(__GNUC__) && !defined(DEBUG)
-static inline
-#else
-static
-#endif
-void copy_obj(addr)
-     value * addr;
-{
-  value v, res;
-  header_t hdr, size, ofs, i;
-
-  v = *addr;
-  if (Is_int(v) || (char *) v <= young_start || (char *) v > young_end)
-    return;
-  hdr = Header_val(v);
-  if (hdr & Forward_mask) {     /* Already copied? */
-    res = Field(v, 0);          /* Forwarding pointer is in field 0 */
-  } else if (Tag_header(hdr) != Infix_tag) {
-    size = Size_header(hdr);
-    res = (value) (old_ptr + sizeof(header_t));
-    old_ptr += sizeof(header_t) + size * sizeof(value);
-    Header_val(res) = hdr & ~Modified_mask;
-    for (i = 0; i < size; i++)
-      Field(res, i) = Field(v, i);
-    Header_val(v) = hdr | Forward_mask; /* Set forward mark */
-    Field(v, 0) = res;                  /* Store forwarding pointer */
-  } else {
-    ofs = Size_header(hdr) * sizeof(value);
-    v -= ofs;
-    hdr = Header_val(v);
-    if (hdr & Forward_mask) {
-      res = Field(v, 0);
-    } else {
-      size = Size_header(hdr);
-      res = (value) (old_ptr + sizeof(header_t));
-      Header_val(res) = hdr & ~Modified_mask;
-      old_ptr += sizeof(header_t) + size * sizeof(value);
-      for (i = 0; i < size; i++)
-        Field(res, i) = Field(v, i);
-      Header_val(v) = hdr | Forward_mask;
-      Field(v, 0) = res;
-    }
-    res += ofs;
-  }
-  *addr = res;
-}
-
-/* Machine-dependent stack frame accesses */
-
-#ifdef alpha
-#define Saved_return_address(sp) *((long *)(sp - 8))
-#define Already_scanned(sp, retaddr) (retaddr & 1)
-#define Mark_scanned(sp, retaddr) (*((long *)(sp - 8)) = retaddr | 1)
-/** #define Already_scanned(sp, retaddr) 0 **/
-/** #define Mark_scanned(sp, retaddr) **/
-#endif
-
-extern value * caml_globals[];
-extern char * caml_bottom_of_stack, * caml_top_of_stack;
-extern unsigned long caml_last_return_address;
-extern value gc_entry_regs[];
-
-/* Copy everything in the minor heap */
-
-static void minor_collection()
-{
-  char * scan_ptr, * sp;
-  unsigned long retaddr;
-  frame_descr * d;
-  unsigned long h;
-  int i, n, ofs;
-  short * p;
-  value v;
-  header_t hdr, size;
-  value * root, ** rem;
-
-  scan_ptr = old_ptr;
-
-  /* Copy the global values */
-  for (i = 0; caml_globals[i] != 0; i++) copy_obj(caml_globals[i]);
-
-  /* Stack roots */
-  if (frame_descriptors == NULL) init_frame_descriptors();
-  sp = caml_bottom_of_stack;
-  retaddr = caml_last_return_address;
-
-  while (sp < caml_top_of_stack) {
-    /* Find the descriptor corresponding to the return address */
-    h = Hash_retaddr(retaddr);
-    while(1) {
-      d = frame_descriptors[h];
-      if (d->retaddr == retaddr) break;
-      h = (h+1) & frame_descriptors_mask;
-    }
-    /* Scan the roots in this frame */
-    for (p = d->live_ofs, n = d->num_live; n > 0; n--, p++) {
-      ofs = *p;
-      if (ofs >= 0) {
-        Assert(ofs < d->frame_size);
-        root = (value *)(sp + ofs);
-      } else {
-        Assert(ofs >= -32);
-        root = &gc_entry_regs[-ofs-1];
-      }
-      copy_obj(root);
-    }
-    /* Move to next frame */
-    sp += d->frame_size;
-    retaddr = Saved_return_address(sp);
-    /* Stop here if already scanned */
-    if (Already_scanned(sp, retaddr)) break;
-    /* Mark frame as already scanned */
-    Mark_scanned(sp, retaddr);
-  }
-
-  /* Scan the remembered set */
-  for (rem = remembered_start; rem < remembered_ptr; rem++) {
-    v = **rem;
-    hdr = Header_val(v);
-    if (hdr < No_scan_tag) {
-      size = Size_header(hdr);
-      for (i = 0; i < size; i++) copy_obj(&Field(v, i));
-    }
-    Header_val(v) &= ~Modified_mask;
-  }
-
-  /* Finish the copying */
-
-  while (scan_ptr < old_ptr) {
-    v = (value) (scan_ptr + sizeof(header_t));
-    hdr = Header_val(v);
-    size = Size_header(hdr);
-    if (Tag_header(hdr) < No_scan_tag) {
-      for (i = 0; i < size; i++) copy_obj(&Field(v, i));
-    }
-    scan_ptr += sizeof(header_t) + size * sizeof(value);
-  }
-
-  /* Reset allocation pointers */
-  young_ptr = young_end;
-  remembered_ptr = remembered_start;
-}
-
-/* Garbage collection */
-
-void garbage_collection(request)
-     unsigned long request;
-{
-  char * initial_old_ptr;
-
-  fprintf(stderr, "<"); fflush(stderr);
-#ifdef DEBUG
-  Assert(young_ptr <= young_end);
-  Assert(young_ptr < young_start);
-  Assert(young_ptr + request >= young_start);
-  check_globals();
-  check_heap(young_ptr + request, young_end);
-  check_heap(old_start, old_ptr);
-#endif
-  if (old_end - old_ptr < young_size) {
-    fprintf(stderr, "reallocating old generation "); fflush(stderr);
-    old_start = malloc(old_size);
-    if (old_start == NULL) {
-      fprintf(stderr, "Cannot extend heap\n");
-      exit(2);
-    }
-    old_end = old_start + old_size;
-    old_ptr = old_start;
-  }
-  initial_old_ptr = old_ptr;
-  minor_collection();
-#ifdef DEBUG
-  check_globals();
-  check_heap(old_start, old_ptr);
-#endif
-  young_ptr -= request;
-  fprintf(stderr, "%d%%>", ((old_ptr - initial_old_ptr) * 100) / young_size);
-  fflush(stderr);
-}
-
-/* Reallocate remembered set */
-
-void realloc_remembered()
-{
-  int used = remembered_ptr - remembered_start;
-  remembered_size *= 2;
-  remembered_start =
-    (value **) realloc(remembered_start, remembered_size);
-  if (remembered_start == NULL) {
-    fprintf(stderr, "Cannot reallocate remembered set\n");
-    exit(2);
-  }
-  remembered_end = remembered_start + remembered_size;
-  remembered_ptr = remembered_start + used;
-}
diff --git a/asmrun/i386.asm b/asmrun/i386.asm
deleted file mode 100644
index 50369be9c..000000000
--- a/asmrun/i386.asm
+++ /dev/null
@@ -1,172 +0,0 @@
-#*********************************************************************#
-#                                                                     #
-#                         Caml Special Light                          #
-#                                                                     #
-#            Xavier Leroy, projet Cristal, INRIA Rocquencourt         #
-#                                                                     #
-#  Copyright 1995 Institut National de Recherche en Informatique et   #
-#  Automatique.  Distributed only by permission.                      #
-#                                                                     #
-#*********************************************************************#
-
-# $Id$ #
-
-# Asm part of the runtime system, Intel 386 processor
-
-        .comm   _young_start, 4
-        .comm   _young_ptr, 4
-        .comm   _gc_entry_regs, 4 * 7
-        .comm   _caml_bottom_of_stack, 4
-        .comm   _caml_top_of_stack, 4
-        .comm   _caml_last_return_address, 4
-        .comm   _remembered_ptr, 4
-        .comm   _remembered_end, 4
-        .comm   _caml_exception_pointer, 4
-
-# Allocation
-
-        .text
-        .globl  _caml_alloc1
-        .globl  _caml_alloc2
-        .globl  _caml_alloc3
-        .globl  _caml_alloc
-	.globl  _caml_call_gc
-
-        .align  4
-_caml_alloc1:
-        movl    _young_ptr, %eax
-        subl    $8, %eax
-        movl    %eax, _young_ptr
-        cmpl    _young_start, %eax
-        jb      L100
-        ret
-L100:   movl    $8, %eax
-        jmp     L105
-
-        .align  4
-_caml_alloc2:
-        movl    _young_ptr, %eax
-        subl    $12, %eax
-        movl    %eax, _young_ptr
-        cmpl    _young_start, %eax
-        jb      L101
-        ret
-L101:   movl    $12, %eax
-        jmp     L105
-
-        .align  4
-_caml_alloc3:
-        movl    _young_ptr, %eax
-        subl    $16, %eax
-        movl    %eax, _young_ptr
-        cmpl    _young_start, %eax
-        jb      L102
-        ret
-L102:   movl    $16, %eax
-        jmp     L105
-
-        .align  4
-_caml_alloc:
-        pushl   %eax
-        movl    _young_ptr, %eax
-        subl    (%esp), %eax
-        movl    %eax, _young_ptr
-        cmpl    _young_start, %eax
-        jb      L103
-        addl    $4, %esp
-        ret
-L103:   popl    %eax
-        jmp     L105
-
-_caml_call_gc:
-    # Recover desired size and adjust return address
-        popl    %eax
-        addl    $2, %eax
-        pushl   %eax
-	movzwl	-2(%eax), %eax
-L105:
-    # Record lowest stack address and return address
-        popl    _caml_last_return_address
-        movl    %esp, _caml_bottom_of_stack
-    # Save all regs used by the code generator
-        movl    %ebx, _gc_entry_regs + 4
-        movl    %ecx, _gc_entry_regs + 8
-        movl    %edx, _gc_entry_regs + 12
-        movl    %esi, _gc_entry_regs + 16
-        movl    %edi, _gc_entry_regs + 20
-        movl    %ebp, _gc_entry_regs + 24
-    # Save desired size
-        pushl   %eax
-    # Call the garbage collector
-        call    _minor_collection
-    # Restore all regs used by the code generator
-        movl    _gc_entry_regs + 4, %ebx
-        movl    _gc_entry_regs + 8, %ecx
-        movl    _gc_entry_regs + 12, %edx
-        movl    _gc_entry_regs + 16, %esi
-        movl    _gc_entry_regs + 20, %edi
-        movl    _gc_entry_regs + 24, %ebp
-    # Decrement young_ptr by desired size
-        popl    %eax
-        subl    %eax, _young_ptr
-    # Reload result of allocation in %eax
-        movl    _young_ptr, %eax
-    # Return to caller
-        pushl   _caml_last_return_address
-        ret
-
-# Call a C function from Caml
-
-        .globl  _caml_c_call
-
-        .align  4
-_caml_c_call:
-    # Record lowest stack address and return address
-        movl    (%esp), %edx
-        movl    %edx, _caml_last_return_address
-        leal    4(%esp), %edx
-        movl    %edx, _caml_bottom_of_stack
-    # Free the floating-point register stack
-        finit
-    # Call the function (address in %eax)
-        jmp     *%eax
-
-# Start the Caml program
-
-        .globl  _caml_start_program
-        .align  4
-_caml_start_program:
-    # Save callee-save registers
-        pushl   %ebx
-        pushl   %esi
-        pushl   %edi
-        pushl   %ebp
-    # Build an exception handler
-        pushl   $L104
-        pushl   $0
-        movl    %esp, _caml_exception_pointer
-    # Record highest stack address
-        movl    %esp, _caml_top_of_stack
-    # Go for it
-        call    _caml_program
-    # Pop handler
-        addl    $8, %esp
-    # Zero return code
-        xorl    %eax, %eax
-L104:
-    # Restore registers and return
-        popl    %ebp
-        popl    %edi
-        popl    %esi
-        popl    %ebx
-        ret
-
-# Raise an exception from C
-
-        .globl  _raise_caml_exception
-        .align  4
-_raise_caml_exception:
-        movl    4(%esp), %eax
-        movl    _caml_exception_pointer, %esp
-        popl    _caml_exception_pointer
-        ret
diff --git a/asmrun/misc.h b/asmrun/misc.h
deleted file mode 100644
index edead293c..000000000
--- a/asmrun/misc.h
+++ /dev/null
@@ -1,5 +0,0 @@
-#ifdef DEBUG
-#define Assert(x) if(!(x)) failed_assert(__FILE__, __LINE__)
-#else
-#define Assert(x)
-#endif
diff --git a/asmrun/mlvalues.h b/asmrun/mlvalues.h
deleted file mode 100644
index b05a134ac..000000000
--- a/asmrun/mlvalues.h
+++ /dev/null
@@ -1,36 +0,0 @@
-typedef long value;
-
-#define Long_val(v) ((v) >> 1)
-#define Val_long(n) (((long)(n) << 1) + 1)
-#define Int_val(v) ((v) >> 1)
-#define Val_int(n) (((n) << 1) + 1)
-
-#define Is_int(v) ((v) & 1)
-#define Is_block(v) (((v) & 1) == 0)
-
-typedef unsigned long header_t;
-
-#define Header_val(v) *((header_t *)(v) - 1)
-#define Tag_header(h) ((h) & 0xFF)
-#define Size_header(h) ((h) >> 11)
-#define Tag_val(v) Tag_header(Header_val(v))
-#define Size_val(v) Size_header(Header_val(v))
-
-#define Field(v, n) (((value *)(v))[n])
-
-#define Double_val(v) *((double *)(v))
-
-#define No_scan_tag 0xFB
-
-#define Closure_tag 0xFA
-#define Double_tag 0xFB
-#define String_tag 0xFC
-#define Abstract_tag 0xFD
-#define Finalized_tag 0xFE
-#define Infix_tag 0xFF
-
-#define Modified_mask 0x400
-
-#define Val_false 1
-#define Val_true 3
-#define Val_unit 1
diff --git a/asmrun/runtime.c b/asmrun/runtime.c
deleted file mode 100644
index b8061b46c..000000000
--- a/asmrun/runtime.c
+++ /dev/null
@@ -1,51 +0,0 @@
-/* A very simplified runtime system for the native code compiler */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include "mlvalues.h"
-
-extern int caml_start_program();
-
-value print_int(n)
-     value n;
-{
-  printf("%d", n>>1);
-  return 1;
-}
-
-value print_string(s)
-     value s;
-{
-  printf("%s", (char *) s);
-  return 1;
-}
-
-value print_char(c)
-     value c;
-{
-  printf("%c", c>>1);
-  return 1;
-}
-
-static struct {
-  value header;
-  char data[16];
-} match_failure_id = {
-  ((16 / sizeof(value)) << 11) + 0xFC,
-  "Match_failure\0\0\2"
-};
-
-char * Match_failure = match_failure_id.data;
-
-int main(argc, argv)
-     int argc;
-     char ** argv;
-{
-  init_heap();
-  if (caml_start_program() != 0) {
-    fprintf(stderr, "Uncaught exception\n");
-    exit(2);
-  }
-  return 0;
-}
-