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(* *********************************************************************)
(* *)
(* 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-printing of operators, conditions, addressing modes *)
open Printf
open Camlcoq
open Integers
open Op
let comparison_name = function
| Ceq -> "=="
| Cne -> "!="
| Clt -> "<"
| Cle -> "<="
| Cgt -> ">"
| Cge -> ">="
let print_condition reg pp = function
| (Ccomp c, [r1;r2]) ->
fprintf pp "%a %ss %a" reg r1 (comparison_name c) reg r2
| (Ccompu c, [r1;r2]) ->
fprintf pp "%a %su %a" reg r1 (comparison_name c) reg r2
| (Ccompimm(c, n), [r1]) ->
fprintf pp "%a %ss %ld" reg r1 (comparison_name c) (camlint_of_coqint n)
| (Ccompuimm(c, n), [r1]) ->
fprintf pp "%a %su %ld" reg r1 (comparison_name c) (camlint_of_coqint n)
| (Ccompf c, [r1;r2]) ->
fprintf pp "%a %sf %a" reg r1 (comparison_name c) reg r2
| (Cnotcompf c, [r1;r2]) ->
fprintf pp "%a not(%sf) %a" reg r1 (comparison_name c) reg r2
| (Cmaskzero n, [r1]) ->
fprintf pp "%a & 0x%lx == 0" reg r1 (camlint_of_coqint n)
| (Cmasknotzero n, [r1]) ->
fprintf pp "%a & 0x%lx != 0" reg r1 (camlint_of_coqint n)
| (Ccompl c, [r1;r2]) ->
fprintf pp "%a %sls %a" reg r1 (comparison_name c) reg r2
| (Ccomplu c, [r1;r2]) ->
fprintf pp "%a %slu %a" reg r1 (comparison_name c) reg r2
| (Ccomplimm(c, n), [r1]) ->
fprintf pp "%a %sls %Ld" reg r1 (comparison_name c) (camlint64_of_coqint n)
| (Ccompluimm(c, n), [r1]) ->
fprintf pp "%a %slu %Ld" reg r1 (comparison_name c) (camlint64_of_coqint n)
| _ ->
fprintf pp "<bad condition>"
let print_operation reg pp = function
| Omove, [r1] -> reg pp r1
| Ointconst n, [] -> fprintf pp "%ld" (camlint_of_coqint n)
| Ofloatconst n, [] -> fprintf pp "%.15F" (camlfloat_of_coqfloat n)
| Osingleconst n, [] -> fprintf pp "%.15Ff" (camlfloat_of_coqfloat32 n)
| Oaddrsymbol(id, ofs), [] ->
fprintf pp "\"%s\" + %ld" (extern_atom id) (camlint_of_coqint ofs)
| Oaddrstack ofs, [] ->
fprintf pp "stack(%ld)" (camlint_of_coqint ofs)
| Ocast8signed, [r1] -> fprintf pp "int8signed(%a)" reg r1
| Ocast16signed, [r1] -> fprintf pp "int16signed(%a)" reg r1
| Oadd, [r1;r2] -> fprintf pp "%a + %a" reg r1 reg r2
| Oaddimm n, [r1] -> fprintf pp "%a + %ld" reg r1 (camlint_of_coqint n)
| Oaddsymbol(id, ofs), [r1] ->
fprintf pp "\"%s\" + %ld + %a" (extern_atom id) (camlint_of_coqint ofs) reg r1
| Osub, [r1;r2] -> fprintf pp "%a - %a" reg r1 reg r2
| Osubimm n, [r1] -> fprintf pp "%ld - %a" (camlint_of_coqint n) reg r1
| Omul, [r1;r2] -> fprintf pp "%a * %a" reg r1 reg r2
| Omulimm n, [r1] -> fprintf pp "%a * %ld" reg r1 (camlint_of_coqint n)
| Odiv, [r1;r2] -> fprintf pp "%a /s %a" reg r1 reg r2
| Odivu, [r1;r2] -> fprintf pp "%a /u %a" reg r1 reg r2
| Oand, [r1;r2] -> fprintf pp "%a & %a" reg r1 reg r2
| Oandimm n, [r1] -> fprintf pp "%a & %ld" reg r1 (camlint_of_coqint n)
| Oor, [r1;r2] -> fprintf pp "%a | %a" reg r1 reg r2
| Oorimm n, [r1] -> fprintf pp "%a | %ld" reg r1 (camlint_of_coqint n)
| Oxor, [r1;r2] -> fprintf pp "%a ^ %a" reg r1 reg r2
| Oxorimm n, [r1] -> fprintf pp "%a ^ %ld" reg r1 (camlint_of_coqint n)
| Onot, [r1] -> fprintf pp "not(%a)" reg r1
| Onand, [r1;r2] -> fprintf pp "not(%a & %a)" reg r1 reg r2
| Onor, [r1;r2] -> fprintf pp "not(%a | %a)" reg r1 reg r2
| Onxor, [r1;r2] -> fprintf pp "not(%a ^ %a)" reg r1 reg r2
| Oandc, [r1;r2] -> fprintf pp "%a & not %a" reg r1 reg r2
| Oorc, [r1;r2] -> fprintf pp "%a | not %a" reg r1 reg r2
| Oshl, [r1;r2] -> fprintf pp "%a << %a" reg r1 reg r2
| Oshr, [r1;r2] -> fprintf pp "%a >>s %a" reg r1 reg r2
| Oshrimm n, [r1] -> fprintf pp "%a >>s %ld" reg r1 (camlint_of_coqint n)
| Oshrximm n, [r1] -> fprintf pp "%a >>x %ld" reg r1 (camlint_of_coqint n)
| Oshru, [r1;r2] -> fprintf pp "%a >>u %a" reg r1 reg r2
| Orolm(n,m), [r1] ->
fprintf pp "(%a rol %ld) & 0x%lx"
reg r1 (camlint_of_coqint n) (camlint_of_coqint m)
| Oroli(n,m), [r1;r2] ->
fprintf pp "(%a & ~0x%lx) | ((%a rol %ld) & 0x%lx)"
reg r1 (camlint_of_coqint m)
reg r2 (camlint_of_coqint n) (camlint_of_coqint m)
| Onegf, [r1] -> fprintf pp "negf(%a)" reg r1
| Oabsf, [r1] -> fprintf pp "absf(%a)" reg r1
| Oaddf, [r1;r2] -> fprintf pp "%a +f %a" reg r1 reg r2
| Osubf, [r1;r2] -> fprintf pp "%a -f %a" reg r1 reg r2
| Omulf, [r1;r2] -> fprintf pp "%a *f %a" reg r1 reg r2
| Odivf, [r1;r2] -> fprintf pp "%a /f %a" reg r1 reg r2
| Onegfs, [r1] -> fprintf pp "negfs(%a)" reg r1
| Oabsfs, [r1] -> fprintf pp "absfs(%a)" reg r1
| Oaddfs, [r1;r2] -> fprintf pp "%a +fs %a" reg r1 reg r2
| Osubfs, [r1;r2] -> fprintf pp "%a -fs %a" reg r1 reg r2
| Omulfs, [r1;r2] -> fprintf pp "%a *fs %a" reg r1 reg r2
| Odivfs, [r1;r2] -> fprintf pp "%a /fs %a" reg r1 reg r2
| Osingleoffloat, [r1] -> fprintf pp "singleoffloat(%a)" reg r1
| Ofloatofsingle, [r1] -> fprintf pp "floatofsingle(%a)" reg r1
| Ointoffloat, [r1] -> fprintf pp "intoffloat(%a)" reg r1
| Ofloatofwords, [r1;r2] -> fprintf pp "floatofwords(%a,%a)" reg r1 reg r2
| Omakelong, [r1;r2] -> fprintf pp "makelong(%a,%a)" reg r1 reg r2
| Olowlong, [r1] -> fprintf pp "lowlong(%a)" reg r1
| Ohighlong, [r1] -> fprintf pp "highlong(%a)" reg r1
| Ocmp c, args -> print_condition reg pp (c, args)
| Osel (c, ty), r1::r2::args ->
fprintf pp "%a ?%s %a : %a"
(print_condition reg) (c, args)
(PrintAST.name_of_type ty) reg r1 reg r2
| Olongconst n, [] -> fprintf pp "%LdL" (camlint64_of_coqint n)
| Ocast32signed, [r1] -> fprintf pp "int32signed(%a)" reg r1
| Ocast32unsigned, [r1] -> fprintf pp "int32unsigned(%a)" reg r1
| Oaddl, [r1;r2] -> fprintf pp "%a +l %a" reg r1 reg r2
| Oaddlimm n, [r1] -> fprintf pp "%a +l %Ld" reg r1 (camlint64_of_coqint n)
| Osubl, [r1;r2] -> fprintf pp "%a -l %a" reg r1 reg r2
| Onegl, [r1] -> fprintf pp "-l %a" reg r1
| Omull, [r1;r2] -> fprintf pp "%a *l %a" reg r1 reg r2
| Odivl, [r1;r2] -> fprintf pp "%a /ls %a" reg r1 reg r2
| Odivlu, [r1;r2] -> fprintf pp "%a /lu %a" reg r1 reg r2
| Oandl, [r1;r2] -> fprintf pp "%a &l %a" reg r1 reg r2
| Oandlimm n, [r1] -> fprintf pp "%a &l %Ld" reg r1 (camlint64_of_coqint n)
| Oorl, [r1;r2] -> fprintf pp "%a |l %a" reg r1 reg r2
| Oorlimm n, [r1] -> fprintf pp "%a |l %Ld" reg r1 (camlint64_of_coqint n)
| Oxorl, [r1;r2] -> fprintf pp "%a ^l %a" reg r1 reg r2
| Oxorlimm n, [r1] -> fprintf pp "%a ^l %Ld" reg r1 (camlint64_of_coqint n)
| Onotl, [r1] -> fprintf pp "~l %a" reg r1
| Oshll, [r1;r2] -> fprintf pp "%a <<l %a" reg r1 reg r2
| Oshrl, [r1;r2] -> fprintf pp "%a >>ls %a" reg r1 reg r2
| Oshrlimm n, [r1] -> fprintf pp "%a >>ls %ld" reg r1 (camlint_of_coqint n)
| Oshrlu, [r1;r2] -> fprintf pp "%a >>lu %a" reg r1 reg r2
| Orolml(n,m), [r1] ->
fprintf pp "(%a rol %Ld) &l 0x%Lx"
reg r1 (camlint64_of_coqint n) (camlint64_of_coqint m)
| Olongoffloat, [r1] -> fprintf pp "longoffloat(%a)" reg r1
| Ofloatoflong, [r1] -> fprintf pp "floatoflong(%a)" reg r1
| _ -> fprintf pp "<bad operator>"
let print_addressing reg pp = function
| Aindexed n, [r1] -> fprintf pp "%a + %ld" reg r1 (camlint_of_coqint n)
| Aindexed2, [r1; r2] -> fprintf pp "%a + %a" reg r1 reg r2
| Aglobal(id, ofs), [] -> fprintf pp "%s + %ld" (extern_atom id) (camlint_of_coqint ofs)
| Abased(id, ofs), [r1] -> fprintf pp "%s + %ld + %a" (extern_atom id) (camlint_of_coqint ofs) reg r1
| Ainstack ofs, [] -> fprintf pp "stack(%ld)" (camlint_of_coqint ofs)
| _ -> fprintf pp "<bad addressing>"
|
