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author | Björn Gustavsson <bjorn@erlang.org> | 2016-08-23 09:33:16 +0200 |
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committer | Björn Gustavsson <bjorn@erlang.org> | 2016-09-21 14:07:53 +0200 |
commit | 87d051421ed813801c1f7fdeb7d6aaffefd31572 (patch) | |
tree | ec7f585f042924662bfa86191a592e13fcdc7a2d /lib/compiler | |
parent | 1d43ca9f9a236b29cb9f22917bbcfa84d1e0fa6f (diff) | |
download | otp-87d051421ed813801c1f7fdeb7d6aaffefd31572.tar.gz otp-87d051421ed813801c1f7fdeb7d6aaffefd31572.tar.bz2 otp-87d051421ed813801c1f7fdeb7d6aaffefd31572.zip |
Simplify handling of internal BIFs
Do a simpler translation of internal BIFs.
While we are it, also remove the dummy values of Index and Uniq
from the make_fun internal operation.
Diffstat (limited to 'lib/compiler')
-rw-r--r-- | lib/compiler/src/v3_codegen.erl | 30 | ||||
-rw-r--r-- | lib/compiler/src/v3_kernel.erl | 8 | ||||
-rw-r--r-- | lib/compiler/src/v3_life.erl | 26 |
3 files changed, 25 insertions, 39 deletions
diff --git a/lib/compiler/src/v3_codegen.erl b/lib/compiler/src/v3_codegen.erl index 4df1aadd0a..c2e0c2bd1a 100644 --- a/lib/compiler/src/v3_codegen.erl +++ b/lib/compiler/src/v3_codegen.erl @@ -151,6 +151,8 @@ 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 +210,10 @@ 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) -> []; @@ -1301,10 +1298,10 @@ 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 +1309,34 @@ 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), diff --git a/lib/compiler/src/v3_kernel.erl b/lib/compiler/src/v3_kernel.erl index e3103e040e..859f110a53 100644 --- a/lib/compiler/src/v3_kernel.erl +++ b/lib/compiler/src/v3_kernel.erl @@ -1791,13 +1791,9 @@ uexpr(#ifun{anno=A,vars=Vs,body=B0}, {break,Rs}, St0) -> end, Fun = #k_fdef{anno=#k{us=[],ns=[],a=A},func=Fname,arity=Arity, vars=Vs ++ Fvs,body=B1}, - %% Set dummy values for Index and Uniq -- the real values will - %% be assigned by beam_asm. - Index = Uniq = 0, {#k_bif{anno=#k{us=Free,ns=lit_list_vars(Rs),a=A}, - op=#k_internal{name=make_fun,arity=length(Free)+3}, - args=[#k_atom{val=Fname},#k_int{val=Arity}, - #k_int{val=Index},#k_int{val=Uniq}|Fvs], + op=#k_internal{name=make_fun,arity=length(Free)+2}, + args=[#k_atom{val=Fname},#k_int{val=Arity}|Fvs], ret=Rs}, Free,add_local_function(Fun, St)}; uexpr(Lit, {break,Rs0}, St0) -> diff --git a/lib/compiler/src/v3_life.erl b/lib/compiler/src/v3_life.erl index 65c2735a4c..4337ec732c 100644 --- a/lib/compiler/src/v3_life.erl +++ b/lib/compiler/src/v3_life.erl @@ -211,7 +211,6 @@ body_try(#k_try{anno=A,arg=Ka,vars=Vs,body=Kb,evars=Evs,handler=Kh,ret=Rs}, i=I,vdb=Tdb1,a=A#k.a}. %% call_op(Op) -> Op. -%% bif_op(Op) -> Op. %% test_op(Op) -> Op. %% Do any necessary name translations here to munge into beam format. @@ -219,28 +218,14 @@ call_op(#k_local{name=N}) -> N; call_op(#k_remote{mod=M,name=N}) -> {remote,atomic(M),atomic(N)}; call_op(Other) -> variable(Other). -bif_op(#k_remote{mod=#k_atom{val=erlang},name=#k_atom{val=N}}) -> N; -bif_op(#k_internal{name=N}) -> N. - test_op(#k_remote{mod=#k_atom{val=erlang},name=#k_atom{val=N}}) -> N. %% k_bif(Anno, Op, [Arg], [Ret], Vdb) -> Expr. -%% Build bifs, do special handling of internal some calls. - -k_bif(_A, #k_internal{name=dsetelement,arity=3}, As, []) -> - {bif,dsetelement,atomic_list(As),[]}; -k_bif(_A, #k_internal{name=bs_context_to_binary=Op,arity=1}, As, []) -> - {bif,Op,atomic_list(As),[]}; -k_bif(_A, #k_internal{name=bs_init_writable=Op,arity=1}, As, Rs) -> - {bif,Op,atomic_list(As),var_list(Rs)}; -k_bif(_A, #k_internal{name=make_fun}, - [#k_atom{val=Fun},#k_int{val=Arity}, - #k_int{val=Index},#k_int{val=Uniq}|Free], - Rs) -> - {bif,{make_fun,Fun,Arity,Index,Uniq},var_list(Free),var_list(Rs)}; -k_bif(_A, Op, As, Rs) -> - %% The general case. - Name = bif_op(Op), +%% Build bifs. + +k_bif(_A, #k_internal{name=Name}, As, Rs) -> + {internal,Name,atomic_list(As),var_list(Rs)}; +k_bif(_A, #k_remote{mod=#k_atom{val=erlang},name=#k_atom{val=Name}}, As, Rs) -> Ar = length(As), case is_gc_bif(Name, Ar) of false -> @@ -390,7 +375,6 @@ is_gc_bif(node, 0) -> false; is_gc_bif(node, 1) -> false; is_gc_bif(element, 2) -> false; is_gc_bif(get, 1) -> false; -is_gc_bif(raise, 2) -> false; is_gc_bif(tuple_size, 1) -> false; is_gc_bif(Bif, Arity) -> not (erl_internal:bool_op(Bif, Arity) orelse |