From 47acd7870b8a577349016502779799c77fc91734 Mon Sep 17 00:00:00 2001
From: Yann Herklotz <git@yannherklotz.com>
Date: Thu, 18 Nov 2021 22:16:06 +0000
Subject: Add a printer for RTLParFU

---
 src/hls/PrintRTLParFU.ml | 120 +++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 120 insertions(+)
 create mode 100644 src/hls/PrintRTLParFU.ml

diff --git a/src/hls/PrintRTLParFU.ml b/src/hls/PrintRTLParFU.ml
new file mode 100644
index 0000000..ec4d851
--- /dev/null
+++ b/src/hls/PrintRTLParFU.ml
@@ -0,0 +1,120 @@
+(* *********************************************************************)
+(*                                                                     *)
+(*              The Compcert verified compiler                         *)
+(*                                                                     *)
+(*          Xavier Leroy, INRIA Paris-Rocquencourt                     *)
+(*                                                                     *)
+(*  Copyright Institut National de Recherche en Informatique et en     *)
+(*  Automatique.  All rights reserved.  This file is distributed       *)
+(*  under the terms of the INRIA Non-Commercial License Agreement.     *)
+(*                                                                     *)
+(* *********************************************************************)
+
+(** Pretty-printers for RTL code *)
+
+open Printf
+open Camlcoq
+open Datatypes
+open Maps
+open AST
+open PrintRTLBlockInstr
+open RTLParFU
+open PrintAST
+
+(* Printing of RTL code *)
+
+let reg pp r =
+  fprintf pp "x%d" (P.to_int r)
+
+let rec regs pp = function
+  | [] -> ()
+  | [r] -> reg pp r
+  | r1::rl -> fprintf pp "%a, %a" reg r1 regs rl
+
+let ros pp = function
+  | Coq_inl r -> reg pp r
+  | Coq_inr s -> fprintf pp "\"%s\"" (extern_atom s)
+
+let print_bblock_body pp i =
+  fprintf pp "\t\t";
+  match i with
+  | FUnop -> fprintf pp "nop\n"
+  | FUop(p, op, ls, dst) ->
+     fprintf pp "%a %a = %a\n"
+       print_pred_option p reg dst (PrintOp.print_operation reg) (op, ls)
+  | FUsetpred (p', c, args, p) ->
+    fprintf pp "%a %a = %a\n"
+      print_pred_option p'
+      pred p
+      (PrintOp.print_condition reg) (c, args)
+  | _ -> assert false
+
+let rec print_bblock_exit pp i =
+  fprintf pp "\t\t";
+  match i with
+  | FUcall(_, fn, args, res, _) ->
+      fprintf pp "%a = %a(%a)\n"
+        reg res ros fn regs args;
+  | FUtailcall(_, fn, args) ->
+      fprintf pp "tailcall %a(%a)\n"
+        ros fn regs args
+  | FUbuiltin(ef, args, res, _) ->
+      fprintf pp "%a = %s(%a)\n"
+        (print_builtin_res reg) res
+        (name_of_external ef)
+        (print_builtin_args reg) args
+  | FUcond(cond, args, s1, s2) ->
+      fprintf pp "if (%a) goto %d else goto %d\n"
+        (PrintOp.print_condition reg) (cond, args)
+        (P.to_int s1) (P.to_int s2)
+  | FUjumptable(arg, tbl) ->
+      let tbl = Array.of_list tbl in
+      fprintf pp "jumptable (%a)\n" reg arg;
+      for i = 0 to Array.length tbl - 1 do
+        fprintf pp "\tcase %d: goto %d\n" i (P.to_int tbl.(i))
+      done
+  | FUreturn None ->
+      fprintf pp "return\n"
+  | FUreturn (Some arg) ->
+      fprintf pp "return %a\n" reg arg
+  | FUgoto n ->
+     fprintf pp "goto %d\n" (P.to_int n)
+  | FUpred_cf (p, c1, c2) ->
+    fprintf pp "if %a then (%a) else (%a)\n" print_pred_op p print_bblock_exit c1 print_bblock_exit c2
+
+let print_bblock pp (pc, i) =
+  fprintf pp "%5d:{\n" pc;
+  List.iter (fun x -> fprintf pp "{\n";
+              List.iter (fun x -> fprintf pp "( "; List.iter (print_bblock_body pp) x; fprintf pp " )") x;
+              fprintf pp "}\n") i.bb_body;
+  print_bblock_exit pp i.bb_exit;
+  fprintf pp "\t}\n\n"
+
+let print_function pp id f =
+  fprintf pp "%s(%a) {\n" (extern_atom id) regs f.fn_params;
+  let instrs =
+    List.sort
+      (fun (pc1, _) (pc2, _) -> compare pc2 pc1)
+      (List.rev_map
+        (fun (pc, i) -> (P.to_int pc, i))
+        (PTree.elements f.fn_code)) in
+  List.iter (print_bblock pp) instrs;
+  fprintf pp "}\n\n"
+
+let print_globdef pp (id, gd) =
+  match gd with
+  | Gfun(Internal f) -> print_function pp id f
+  | _ -> ()
+
+let print_program pp (prog: program) =
+  List.iter (print_globdef pp) prog.prog_defs
+
+let destination : string option ref = ref None
+
+let print_if passno prog =
+  match !destination with
+  | None -> ()
+  | Some f ->
+     let oc = open_out (f ^ "." ^ Z.to_string passno) in
+     print_program oc prog;
+     close_out oc
-- 
cgit