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(* Pretty-printing of linearized machine code *)
open Format
open Printmach
open Linearize
let label l =
print_string "L"; print_int l
let instr i =
match i.desc with
Lend -> ()
| Lop op ->
operation op i.arg i.res
| Lreturn ->
print_string "return "; regs i.arg
| Llabel lbl ->
label lbl; print_string ":"
| Lbranch lbl ->
print_string "goto "; label lbl
| Lcondbranch(tst, lbl) ->
print_string "if "; test tst i.arg; print_string " goto "; label lbl
| Lswitch lblv ->
print_string "switch "; reg i.arg.(0);
for i = 0 to Array.length lblv - 1 do
print_cut();
print_string "case "; print_int i;
print_string ": goto "; label lblv.(i)
done;
print_cut(); print_string "endswitch"
| Lpushtrap lbl ->
print_string "push trap "; label lbl
| Lpoptrap ->
print_string "pop trap"
| Lentertrap ->
print_string "enter trap"
| Lraise ->
print_string "raise "; reg i.arg.(0)
let rec all_instr i =
match i.desc with
Lend -> ()
| _ -> instr i; print_cut(); all_instr i.next
let fundecl f =
open_vbox 2;
print_string f.fun_name; print_string ":"; print_cut();
all_instr f.fun_body;
close_box()
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