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Diffstat (limited to 'verilog/PrintOp.ml')
| -rw-r--r-- | verilog/PrintOp.ml | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/verilog/PrintOp.ml b/verilog/PrintOp.ml new file mode 100644 index 00000000..6aa4d450 --- /dev/null +++ b/verilog/PrintOp.ml @@ -0,0 +1,173 @@ +(* *********************************************************************) +(* *) +(* 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 %lu" reg r1 (comparison_name c) (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 %Lu" reg r1 (comparison_name c) (camlint64_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 + | (Ccompfs c, [r1;r2]) -> + fprintf pp "%a %sfs %a" reg r1 (comparison_name c) reg r2 + | (Cnotcompfs c, [r1;r2]) -> + fprintf pp "%a not(%sfs) %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) + | _ -> + fprintf pp "<bad condition>" + +let print_addressing reg pp = function + | Aindexed n, [r1] -> + fprintf pp "%a + %s" reg r1 (Z.to_string n) + | Aindexed2 n, [r1; r2] -> + fprintf pp "%a + %a + %s" reg r1 reg r2 (Z.to_string n) + | Ascaled(sc,n), [r1] -> + fprintf pp "%a * %s + %s" reg r1 (Z.to_string sc) (Z.to_string n) + | Aindexed2scaled(sc, n), [r1; r2] -> + fprintf pp "%a + %a * %s + %s" reg r1 reg r2 (Z.to_string sc) (Z.to_string n) + | Aglobal(id, ofs), [] -> fprintf pp "%s + %s" (extern_atom id) (Z.to_string ofs) + | Abased(id, ofs), [r1] -> fprintf pp "%s + %s + %a" (extern_atom id) (Z.to_string ofs) reg r1 + | Abasedscaled(sc,id, ofs), [r1] -> fprintf pp "%s + %s + %a * %ld" (extern_atom id) (Z.to_string ofs) reg r1 (camlint_of_coqint sc) + | Ainstack ofs, [] -> fprintf pp "stack(%s)" (Z.to_string ofs) + | _ -> fprintf pp "<bad addressing>" + +let print_operation reg pp = function + | Omove, [r1] -> reg pp r1 + | Ointconst n, [] -> fprintf pp "%ld" (camlint_of_coqint n) + | Olongconst n, [] -> fprintf pp "%LdL" (camlint64_of_coqint n) + | Ofloatconst n, [] -> fprintf pp "%.15F" (camlfloat_of_coqfloat n) + | Osingleconst n, [] -> fprintf pp "%.15Ff" (camlfloat_of_coqfloat32 n) + | Oindirectsymbol id, [] -> fprintf pp "&%s" (extern_atom id) + | Ocast8signed, [r1] -> fprintf pp "int8signed(%a)" reg r1 + | Ocast8unsigned, [r1] -> fprintf pp "int8unsigned(%a)" reg r1 + | Ocast16signed, [r1] -> fprintf pp "int16signed(%a)" reg r1 + | Ocast16unsigned, [r1] -> fprintf pp "int16unsigned(%a)" reg r1 + | Oneg, [r1] -> fprintf pp "(- %a)" reg r1 + | Osub, [r1;r2] -> fprintf pp "%a - %a" reg r1 reg r2 + | Omul, [r1;r2] -> fprintf pp "%a * %a" reg r1 reg r2 + | Omulimm n, [r1] -> fprintf pp "%a * %ld" reg r1 (camlint_of_coqint n) + | Omulhs, [r1;r2] -> fprintf pp "mulhs(%a,%a)" reg r1 reg r2 + | Omulhu, [r1;r2] -> fprintf pp "mulhu(%a,%a)" reg r1 reg r2 + | Odiv, [r1;r2] -> fprintf pp "%a /s %a" reg r1 reg r2 + | Odivu, [r1;r2] -> fprintf pp "%a /u %a" reg r1 reg r2 + | Omod, [r1;r2] -> fprintf pp "%a %%s %a" reg r1 reg r2 + | Omodu, [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 + | Oshl, [r1;r2] -> fprintf pp "%a << %a" reg r1 reg r2 + | Oshlimm n, [r1] -> fprintf pp "%a << %ld" reg r1 (camlint_of_coqint n) + | 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 + | Oshruimm n, [r1] -> fprintf pp "%a >>u %ld" reg r1 (camlint_of_coqint n) + | Ororimm n, [r1] -> fprintf pp "%a ror %ld" reg r1 (camlint_of_coqint n) + | Oshldimm n, [r1;r2] -> fprintf pp "(%a, %a) << %ld" reg r1 reg r2 (camlint_of_coqint n) + | Olea addr, args -> print_addressing reg pp (addr, args); fprintf pp " (int)" + | 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 + | Ocast32signed, [r1] -> fprintf pp "long32signed(%a)" reg r1 + | Ocast32unsigned, [r1] -> fprintf pp "long32unsigned(%a)" reg r1 + | Onegl, [r1] -> fprintf pp "(-l %a)" reg r1 + | Osubl, [r1;r2] -> fprintf pp "%a -l %a" reg r1 reg r2 + | Omull, [r1;r2] -> fprintf pp "%a *l %a" reg r1 reg r2 + | Omullimm n, [r1] -> fprintf pp "%a *l %Ld" reg r1 (camlint64_of_coqint n) + | Omullhs, [r1;r2] -> fprintf pp "mullhs(%a,%a)" reg r1 reg r2 + | Omullhu, [r1;r2] -> fprintf pp "mullhu(%a,%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 + | Omodl, [r1;r2] -> fprintf pp "%a %%ls %a" reg r1 reg r2 + | Omodlu, [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 "notl(%a)" reg r1 + | Oshll, [r1;r2] -> fprintf pp "%a <<l %a" reg r1 reg r2 + | Oshllimm n, [r1] -> fprintf pp "%a <<l %ld" reg r1 (camlint_of_coqint n) + | 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) + | Oshrxlimm n, [r1] -> fprintf pp "%a >>lx %ld" reg r1 (camlint_of_coqint n) + | Oshrlu, [r1;r2] -> fprintf pp "%a >>lu %a" reg r1 reg r2 + | Oshrluimm n, [r1] -> fprintf pp "%a >>lu %ld" reg r1 (camlint_of_coqint n) + | Ororlimm n, [r1] -> fprintf pp "%a rorl %ld" reg r1 (camlint_of_coqint n) + | Oleal addr, args -> print_addressing reg pp (addr, args); fprintf pp " (long)" + | 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 + | Ofloatofint, [r1] -> fprintf pp "floatofint(%a)" reg r1 + | Ointofsingle, [r1] -> fprintf pp "intofsingle(%a)" reg r1 + | Osingleofint, [r1] -> fprintf pp "singleofint(%a)" reg r1 + | Olongoffloat, [r1] -> fprintf pp "longoffloat(%a)" reg r1 + | Ofloatoflong, [r1] -> fprintf pp "floatoflong(%a)" reg r1 + | Olongofsingle, [r1] -> fprintf pp "longofsingle(%a)" reg r1 + | Osingleoflong, [r1] -> fprintf pp "singleoflong(%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 + | _ -> fprintf pp "<bad operator>" + + |