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-rw-r--r--lib/compiler/src/v3_codegen.erl54
1 files changed, 39 insertions, 15 deletions
diff --git a/lib/compiler/src/v3_codegen.erl b/lib/compiler/src/v3_codegen.erl
index 4df1aadd0a..47c1567f10 100644
--- a/lib/compiler/src/v3_codegen.erl
+++ b/lib/compiler/src/v3_codegen.erl
@@ -69,6 +69,10 @@
stk=[], %Stack table
res=[]}). %Reserved regs: [{reserved,I,V}]
+-type life_module() :: {module(),_,_,[_]}.
+
+-spec module(life_module(), [compile:option()]) -> {'ok',beam_asm:module_code()}.
+
module({Mod,Exp,Attr,Forms}, _Options) ->
{Fs,St} = functions(Forms, {atom,Mod}),
{ok,{Mod,Exp,Attr,Fs,St#cg.lcount}}.
@@ -151,6 +155,8 @@ cg({bif,Bif,As,Rs}, Le, Vdb, Bef, St) ->
bif_cg(Bif, As, Rs, Le, Vdb, Bef, St);
cg({gc_bif,Bif,As,Rs}, Le, Vdb, Bef, St) ->
gc_bif_cg(Bif, As, Rs, Le, Vdb, Bef, St);
+cg({internal,Bif,As,Rs}, Le, Vdb, Bef, St) ->
+ internal_cg(Bif, As, Rs, Le, Vdb, Bef, St);
cg({receive_loop,Te,Rvar,Rm,Tes,Rs}, Le, Vdb, Bef, St) ->
recv_loop_cg(Te, Rvar, Rm, Tes, Rs, Le, Vdb, Bef, St);
cg(receive_next, Le, Vdb, Bef, St) ->
@@ -208,15 +214,10 @@ need_heap_1(#l{ke={set,_,Val}}, H) ->
{tuple,Es} -> 1 + length(Es);
_Other -> 0
end};
-need_heap_1(#l{ke={bif,dsetelement,_As,_Rs},i=I}, H) ->
- {need_heap_need(I, H),0};
-need_heap_1(#l{ke={bif,{make_fun,_,_,_,_},_As,_Rs},i=I}, H) ->
- {need_heap_need(I, H),0};
-need_heap_1(#l{ke={bif,bs_init_writable,_As,_Rs},i=I}, H) ->
- {need_heap_need(I, H),0};
need_heap_1(#l{ke={bif,_Bif,_As,_Rs}}, H) ->
{[],H};
need_heap_1(#l{i=I}, H) ->
+ %% Call or call-like instruction such as set_tuple_element/3.
{need_heap_need(I, H),0}.
need_heap_need(_I, 0) -> [];
@@ -366,7 +367,7 @@ bsm_rename_ctx(#l{ke={match,Ms0,Rs}}=L, Old, New, InProt) ->
bsm_rename_ctx(#l{ke={guard_match,Ms0,Rs}}=L, Old, New, InProt) ->
Ms = bsm_rename_ctx(Ms0, Old, New, InProt),
L#l{ke={guard_match,Ms,Rs}};
-bsm_rename_ctx(#l{ke={test,_,_}}=L, _, _, _) -> L;
+bsm_rename_ctx(#l{ke={test,_,_,_}}=L, _, _, _) -> L;
bsm_rename_ctx(#l{ke={bif,_,_,_}}=L, _, _, _) -> L;
bsm_rename_ctx(#l{ke={gc_bif,_,_,_}}=L, _, _, _) -> L;
bsm_rename_ctx(#l{ke={set,_,_}}=L, _, _, _) -> L;
@@ -1054,8 +1055,15 @@ guard_cg(#l{ke={protected,Ts,Rs},i=I,vdb=Pdb}, Fail, _Vdb, Bef, St) ->
protected_cg(Ts, Rs, Fail, I, Pdb, Bef, St);
guard_cg(#l{ke={block,Ts},i=I,vdb=Bdb}, Fail, _Vdb, Bef, St) ->
guard_cg_list(Ts, Fail, I, Bdb, Bef, St);
-guard_cg(#l{ke={test,Test,As},i=I,vdb=_Tdb}, Fail, Vdb, Bef, St) ->
- test_cg(Test, As, Fail, I, Vdb, Bef, St);
+guard_cg(#l{ke={test,Test,As,Inverted},i=I,vdb=_Tdb}, Fail, Vdb, Bef, St0) ->
+ case Inverted of
+ false ->
+ test_cg(Test, As, Fail, I, Vdb, Bef, St0);
+ true ->
+ {Psucc,St1} = new_label(St0),
+ {Is,Aft,St2} = test_cg(Test, As, Psucc, I, Vdb, Bef, St1),
+ {Is++[{jump,{f,Fail}},{label,Psucc}],Aft,St2}
+ end;
guard_cg(G, _Fail, Vdb, Bef, St) ->
%%ok = io:fwrite("cg ~w: ~p~n", [?LINE,{G,Fail,Vdb,Bef}]),
{Gis,Aft,St1} = cg(G, Vdb, Bef, St),
@@ -1106,6 +1114,13 @@ test_cg(is_map, [A], Fail, I, Vdb, Bef, St) ->
Arg = cg_reg_arg_prefer_y(A, Bef),
Aft = clear_dead(Bef, I, Vdb),
{[{test,is_map,{f,Fail},[Arg]}],Aft,St};
+test_cg(is_boolean, [{atom,Val}], Fail, I, Vdb, Bef, St) ->
+ Aft = clear_dead(Bef, I, Vdb),
+ Is = case is_boolean(Val) of
+ true -> [];
+ false -> [{jump,{f,Fail}}]
+ end,
+ {Is,Aft,St};
test_cg(Test, As, Fail, I, Vdb, Bef, St) ->
Args = cg_reg_args(As, Bef),
Aft = clear_dead(Bef, I, Vdb),
@@ -1301,10 +1316,10 @@ trap_bif(erlang, group_leader, 2) -> true;
trap_bif(erlang, exit, 2) -> true;
trap_bif(_, _, _) -> false.
-%% bif_cg(Bif, [Arg], [Ret], Le, Vdb, StackReg, State) ->
+%% internal_cg(Bif, [Arg], [Ret], Le, Vdb, StackReg, State) ->
%% {[Ainstr],StackReg,State}.
-bif_cg(bs_context_to_binary=Instr, [Src0], [], Le, Vdb, Bef, St0) ->
+internal_cg(bs_context_to_binary=Instr, [Src0], [], Le, Vdb, Bef, St0) ->
[Src] = cg_reg_args([Src0], Bef),
case is_register(Src) of
false ->
@@ -1312,25 +1327,34 @@ bif_cg(bs_context_to_binary=Instr, [Src0], [], Le, Vdb, Bef, St0) ->
true ->
{[{Instr,Src}],clear_dead(Bef, Le#l.i, Vdb), St0}
end;
-bif_cg(dsetelement, [Index0,Tuple0,New0], _Rs, Le, Vdb, Bef, St0) ->
+internal_cg(dsetelement, [Index0,Tuple0,New0], _Rs, Le, Vdb, Bef, St0) ->
[New,Tuple,{integer,Index1}] = cg_reg_args([New0,Tuple0,Index0], Bef),
Index = Index1-1,
{[{set_tuple_element,New,Tuple,Index}],
clear_dead(Bef, Le#l.i, Vdb), St0};
-bif_cg({make_fun,Func,Arity,Index,Uniq}, As, Rs, Le, Vdb, Bef, St0) ->
+internal_cg(make_fun, [Func0,Arity0|As], Rs, Le, Vdb, Bef, St0) ->
%% This behaves more like a function call.
+ {atom,Func} = Func0,
+ {integer,Arity} = Arity0,
{Sis,Int} = cg_setup_call(As, Bef, Le#l.i, Vdb),
Reg = load_vars(Rs, clear_regs(Int#sr.reg)),
{FuncLbl,St1} = local_func_label(Func, Arity, St0),
- MakeFun = {make_fun2,{f,FuncLbl},Index,Uniq,length(As)},
+ MakeFun = {make_fun2,{f,FuncLbl},0,0,length(As)},
{Sis ++ [MakeFun],
clear_dead(Int#sr{reg=Reg}, Le#l.i, Vdb),
St1};
-bif_cg(bs_init_writable=I, As, Rs, Le, Vdb, Bef, St) ->
+internal_cg(bs_init_writable=I, As, Rs, Le, Vdb, Bef, St) ->
%% This behaves like a function call.
{Sis,Int} = cg_setup_call(As, Bef, Le#l.i, Vdb),
Reg = load_vars(Rs, clear_regs(Int#sr.reg)),
{Sis++[I],clear_dead(Int#sr{reg=Reg}, Le#l.i, Vdb),St};
+internal_cg(raise, As, Rs, Le, Vdb, Bef, St) ->
+ %% raise can be treated like a guard BIF.
+ bif_cg(raise, As, Rs, Le, Vdb, Bef, St).
+
+%% bif_cg(Bif, [Arg], [Ret], Le, Vdb, StackReg, State) ->
+%% {[Ainstr],StackReg,State}.
+
bif_cg(Bif, As, [{var,V}], Le, Vdb, Bef, St0) ->
Ars = cg_reg_args(As, Bef),