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-rw-r--r--lib/hipe/icode/hipe_beam_to_icode.erl39
-rw-r--r--lib/hipe/icode/hipe_icode.erl30
-rw-r--r--lib/hipe/icode/hipe_icode.hrl8
-rw-r--r--lib/hipe/icode/hipe_icode_liveness.erl1
-rw-r--r--lib/hipe/icode/hipe_icode_pp.erl5
-rw-r--r--lib/hipe/icode/hipe_icode_primops.erl18
-rw-r--r--lib/hipe/icode/hipe_icode_range.erl5
7 files changed, 86 insertions, 20 deletions
diff --git a/lib/hipe/icode/hipe_beam_to_icode.erl b/lib/hipe/icode/hipe_beam_to_icode.erl
index 2abecf7f18..7ff9fd83eb 100644
--- a/lib/hipe/icode/hipe_beam_to_icode.erl
+++ b/lib/hipe/icode/hipe_beam_to_icode.erl
@@ -415,11 +415,13 @@ trans_fun([{wait_timeout,{_,Lbl},Reg}|Instructions], Env) ->
SuspTmout = hipe_icode:mk_if(suspend_msg_timeout,[],
map_label(Lbl),hipe_icode:label_name(DoneLbl)),
Movs ++ [SetTmout, SuspTmout, DoneLbl | trans_fun(Instructions,Env1)];
-%%--- recv_mark/1 & recv_set/1 --- XXX: Handle better??
+%%--- recv_mark/1 & recv_set/1 ---
trans_fun([{recv_mark,{f,_}}|Instructions], Env) ->
- trans_fun(Instructions,Env);
+ Mark = hipe_icode:mk_primop([],recv_mark,[]),
+ [Mark | trans_fun(Instructions,Env)];
trans_fun([{recv_set,{f,_}}|Instructions], Env) ->
- trans_fun(Instructions,Env);
+ Set = hipe_icode:mk_primop([],recv_set,[]),
+ [Set | trans_fun(Instructions,Env)];
%%--------------------------------------------------------------------
%%--- Translation of arithmetics {bif,ArithOp, ...} ---
%%--------------------------------------------------------------------
@@ -794,7 +796,7 @@ trans_fun([{bs_append,{f,Lbl},Size,W,R,U,Binary,{field_flags,F},Dst}|
SizeArg = trans_arg(Size),
BinArg = trans_arg(Binary),
IcodeDst = mk_var(Dst),
- Offset = mk_var(reg),
+ Offset = mk_var(reg_gcsafe),
Base = mk_var(reg),
trans_bin_call({hipe_bs_primop,{bs_append,W,R,U,F}},Lbl,[SizeArg,BinArg],
[IcodeDst,Base,Offset],
@@ -805,7 +807,7 @@ trans_fun([{bs_private_append,{f,Lbl},Size,U,Binary,{field_flags,F},Dst}|
SizeArg = trans_arg(Size),
BinArg = trans_arg(Binary),
IcodeDst = mk_var(Dst),
- Offset = mk_var(reg),
+ Offset = mk_var(reg_gcsafe),
Base = mk_var(reg),
trans_bin_call({hipe_bs_primop,{bs_private_append,U,F}},
Lbl,[SizeArg,BinArg],
@@ -844,7 +846,7 @@ trans_fun([{bs_init2,{f,Lbl},Size,_Words,_LiveRegs,{field_flags,Flags0},X}|
Instructions], Env) ->
Dst = mk_var(X),
Flags = resolve_native_endianess(Flags0),
- Offset = mk_var(reg),
+ Offset = mk_var(reg_gcsafe),
Base = mk_var(reg),
{Name, Args} =
case Size of
@@ -860,7 +862,7 @@ trans_fun([{bs_init_bits,{f,Lbl},Size,_Words,_LiveRegs,{field_flags,Flags0},X}|
Instructions], Env) ->
Dst = mk_var(X),
Flags = resolve_native_endianess(Flags0),
- Offset = mk_var(reg),
+ Offset = mk_var(reg_gcsafe),
Base = mk_var(reg),
{Name, Args} =
case Size of
@@ -1157,6 +1159,11 @@ trans_fun([{put_map_exact,{f,Lbl},Map,Dst,_N,{list,Pairs}}|Instructions], Env) -
gen_put_map_instrs(new, exact, TempMapVar, Dst, new, Pairs, Env1)
end,
[MapMove, TempMapMove, PutInstructions | trans_fun(Instructions, Env2)];
+%%--- build_stacktrace ---
+trans_fun([build_stacktrace|Instructions], Env) ->
+ Vars = [mk_var({x,0})], %{x,0} is implict arg and dst
+ [hipe_icode:mk_primop(Vars,build_stacktrace,Vars),
+ trans_fun(Instructions, Env)];
%%--------------------------------------------------------------------
%%--- ERROR HANDLING ---
%%--------------------------------------------------------------------
@@ -1505,7 +1512,10 @@ clone_dst(Dest) ->
New =
case hipe_icode:is_reg(Dest) of
true ->
- mk_var(reg);
+ case hipe_icode:reg_is_gcsafe(Dest) of
+ true -> mk_var(reg_gcsafe);
+ false -> mk_var(reg)
+ end;
false ->
true = hipe_icode:is_var(Dest),
mk_var(new)
@@ -2126,7 +2136,12 @@ mk_var(reg) ->
T = hipe_gensym:new_var(icode),
V = (5*T)+4,
hipe_gensym:update_vrange(icode,V),
- hipe_icode:mk_reg(V).
+ hipe_icode:mk_reg(V);
+mk_var(reg_gcsafe) ->
+ T = hipe_gensym:new_var(icode),
+ V = (5*T)+4, % same namespace as 'reg'
+ hipe_gensym:update_vrange(icode,V),
+ hipe_icode:mk_reg_gcsafe(V).
%%-----------------------------------------------------------------------
%% Make an icode label of proper type
@@ -2296,6 +2311,12 @@ split_code([First|Code], Label, Instr) ->
split_code([Instr|Code], Label, Instr, Prev, As) when Prev =:= Label ->
split_code_final(Code, As); % drop both label and instruction
+split_code([{icode_end_try}|_]=Code, Label, {try_case,_}, Prev, As)
+ when Prev =:= Label ->
+ %% The try_case has been replaced with try_end as an optimization.
+ %% Keep this instruction, since it might be the only try_end instruction
+ %% for this try/catch block.
+ split_code_final(Code, As); % drop label
split_code([Other|_Code], Label, Instr, Prev, _As) when Prev =:= Label ->
?EXIT({missing_instr_after_label, Label, Instr, [Other, Prev | _As]});
split_code([Other|Code], Label, Instr, Prev, As) ->
diff --git a/lib/hipe/icode/hipe_icode.erl b/lib/hipe/icode/hipe_icode.erl
index 24b7ac4783..bc3403b0c5 100644
--- a/lib/hipe/icode/hipe_icode.erl
+++ b/lib/hipe/icode/hipe_icode.erl
@@ -515,10 +515,12 @@
annotate_variable/2, %% annotate_var_or_reg(VarOrReg, Type)
unannotate_variable/1,%% unannotate_var_or_reg(VarOrReg)
mk_reg/1, %% mk_reg(Id)
+ mk_reg_gcsafe/1, %% mk_reg_gcsafe(Id)
mk_fvar/1, %% mk_fvar(Id)
mk_new_var/0, %% mk_new_var()
mk_new_fvar/0, %% mk_new_fvar()
mk_new_reg/0, %% mk_new_reg()
+ mk_new_reg_gcsafe/0, %% mk_new_reg_gcsafe()
mk_phi/1, %% mk_phi(Id)
mk_phi/2 %% mk_phi(Id, ArgList)
]).
@@ -1260,14 +1262,22 @@ is_var(_) -> false.
-spec mk_reg(non_neg_integer()) -> #icode_variable{kind::'reg'}.
mk_reg(V) -> #icode_variable{name=V, kind=reg}.
--spec reg_name(#icode_variable{kind::'reg'}) -> non_neg_integer().
-reg_name(#icode_variable{name=Name, kind=reg}) -> Name.
+-spec mk_reg_gcsafe(non_neg_integer()) -> #icode_variable{kind::'reg_gcsafe'}.
+mk_reg_gcsafe(V) -> #icode_variable{name=V, kind=reg_gcsafe}.
--spec reg_is_gcsafe(#icode_variable{kind::'reg'}) -> 'false'.
-reg_is_gcsafe(#icode_variable{kind=reg}) -> false. % for now
+-spec reg_name(#icode_variable{kind::'reg'|'reg_gcsafe'})
+ -> non_neg_integer().
+reg_name(#icode_variable{name=Name, kind=reg}) -> Name;
+reg_name(#icode_variable{name=Name, kind=reg_gcsafe}) -> Name.
+
+-spec reg_is_gcsafe(#icode_variable{kind::'reg'}) -> 'false';
+ (#icode_variable{kind::'reg_gcsafe'}) -> 'true'.
+reg_is_gcsafe(#icode_variable{kind=reg}) -> false;
+reg_is_gcsafe(#icode_variable{kind=reg_gcsafe}) -> true.
-spec is_reg(icode_argument()) -> boolean().
-is_reg(#icode_variable{kind=reg}) -> true;
+is_reg(#icode_variable{kind=reg}) -> true;
+is_reg(#icode_variable{kind=reg_gcsafe}) -> true;
is_reg(_) -> false.
-spec mk_fvar(non_neg_integer()) -> #icode_variable{kind::'fvar'}.
@@ -1676,6 +1686,16 @@ mk_new_reg() ->
mk_reg(hipe_gensym:get_next_var(icode)).
%%
+%% @doc Makes a new gcsafe register; that is, a register that is allowed to be
+%% live over calls and other operations that might cause GCs and thus move heap
+%% data around.
+%%
+
+-spec mk_new_reg_gcsafe() -> icode_reg().
+mk_new_reg_gcsafe() ->
+ mk_reg_gcsafe(hipe_gensym:get_next_var(icode)).
+
+%%
%% @doc Makes a new label.
%%
diff --git a/lib/hipe/icode/hipe_icode.hrl b/lib/hipe/icode/hipe_icode.hrl
index 380ddd8371..7ed80a9ed4 100644
--- a/lib/hipe/icode/hipe_icode.hrl
+++ b/lib/hipe/icode/hipe_icode.hrl
@@ -41,9 +41,9 @@
-type variable_annotation() :: {atom(), any(), fun((any()) -> string())}.
--record(icode_variable, {name :: non_neg_integer(),
- kind :: 'var' | 'reg' | 'fvar',
- annotation = [] :: [] | variable_annotation()}).
+-record(icode_variable, {name :: non_neg_integer(),
+ kind :: 'var' | 'reg' | 'reg_gcsafe' | 'fvar',
+ annotation = [] :: [] | variable_annotation()}).
%%---------------------------------------------------------------------
%% Type declarations for Icode instructions
@@ -66,7 +66,7 @@
-type icode_funcall() :: mfa() | icode_primop().
-type icode_var() :: #icode_variable{kind::'var'}.
--type icode_reg() :: #icode_variable{kind::'reg'}.
+-type icode_reg() :: #icode_variable{kind::'reg'|'reg_gcsafe'}.
-type icode_fvar() :: #icode_variable{kind::'fvar'}.
-type icode_argument() :: #icode_const{} | #icode_variable{}.
-type icode_term_arg() :: icode_var() | #icode_const{}.
diff --git a/lib/hipe/icode/hipe_icode_liveness.erl b/lib/hipe/icode/hipe_icode_liveness.erl
index 51e2855108..e61529a1bb 100644
--- a/lib/hipe/icode/hipe_icode_liveness.erl
+++ b/lib/hipe/icode/hipe_icode_liveness.erl
@@ -77,6 +77,7 @@ print_var(#icode_variable{name=V, kind=Kind, annotation=T}) ->
case Kind of
var -> io:format("v~p", [V]);
reg -> io:format("r~p", [V]);
+ reg_gcsafe -> io:format("rs~p", [V]);
fvar -> io:format("fv~p", [V])
end,
case T of
diff --git a/lib/hipe/icode/hipe_icode_pp.erl b/lib/hipe/icode/hipe_icode_pp.erl
index 5b017dca32..33d1e62884 100644
--- a/lib/hipe/icode/hipe_icode_pp.erl
+++ b/lib/hipe/icode/hipe_icode_pp.erl
@@ -230,7 +230,10 @@ pp_arg(Dev, Arg) ->
case hipe_icode:is_reg(Arg) of
true ->
N = hipe_icode:reg_name(Arg),
- io:format(Dev, "r~p", [N]);
+ case hipe_icode:reg_is_gcsafe(Arg) of
+ true -> io:format(Dev, "rs~p", [N]);
+ false -> io:format(Dev, "r~p", [N])
+ end;
false ->
N = hipe_icode:fvar_name(Arg),
io:format(Dev, "fv~p", [N])
diff --git a/lib/hipe/icode/hipe_icode_primops.erl b/lib/hipe/icode/hipe_icode_primops.erl
index 50ece05259..941516e8b1 100644
--- a/lib/hipe/icode/hipe_icode_primops.erl
+++ b/lib/hipe/icode/hipe_icode_primops.erl
@@ -67,6 +67,8 @@ is_safe(fp_mul) -> false;
is_safe(fp_sub) -> false;
is_safe(mktuple) -> true;
is_safe(next_msg) -> false;
+is_safe(recv_mark) -> false;
+is_safe(recv_set) -> false;
is_safe(redtest) -> false;
is_safe(select_msg) -> false;
is_safe(self) -> true;
@@ -130,6 +132,7 @@ is_safe({hipe_bs_primop, {bs_match_string, _, _}}) -> false;
is_safe({hipe_bs_primop, {bs_append, _, _, _, _}}) -> false;
is_safe({hipe_bs_primop, {bs_private_append, _, _}}) -> false;
is_safe({hipe_bs_primop, bs_init_writable}) -> true;
+is_safe(build_stacktrace) -> true;
is_safe(#mkfun{}) -> true;
is_safe(#unsafe_element{}) -> true;
is_safe(#unsafe_update_element{}) -> true;
@@ -165,6 +168,8 @@ fails(fp_mul) -> false;
fails(fp_sub) -> false;
fails(mktuple) -> false;
fails(next_msg) -> false;
+fails(recv_mark) -> false;
+fails(recv_set) -> false;
fails(redtest) -> false;
fails(select_msg) -> false;
fails(self) -> false;
@@ -230,6 +235,7 @@ fails({hipe_bs_primop, bs_final}) -> false;
fails({hipe_bs_primop, {bs_append, _, _, _, _}}) -> true;
fails({hipe_bs_primop, {bs_private_append, _, _}}) -> true;
fails({hipe_bs_primop, bs_init_writable}) -> true;
+fails(build_stacktrace) -> false;
fails(#mkfun{}) -> false;
fails(#unsafe_element{}) -> false;
fails(#unsafe_update_element{}) -> false;
@@ -709,6 +715,10 @@ type(Primop, Args) ->
erl_types:t_any();
next_msg ->
erl_types:t_any();
+ recv_mark ->
+ erl_types:t_any();
+ recv_set ->
+ erl_types:t_any();
select_msg ->
erl_types:t_any();
set_timeout ->
@@ -723,6 +733,8 @@ type(Primop, Args) ->
erl_types:t_any();
debug_native_called ->
erl_types:t_any();
+ build_stacktrace ->
+ erl_types:t_list();
{M, F, A} ->
erl_bif_types:type(M, F, A, Args)
end.
@@ -883,6 +895,10 @@ type(Primop) ->
erl_types:t_any();
next_msg ->
erl_types:t_any();
+ recv_mark ->
+ erl_types:t_any();
+ recv_set ->
+ erl_types:t_any();
select_msg ->
erl_types:t_any();
set_timeout ->
@@ -891,6 +907,8 @@ type(Primop) ->
erl_types:t_any();
%%% -----------------------------------------------------
%%% Other
+ build_stacktrace ->
+ erl_types:t_any();
#closure_element{} ->
erl_types:t_any();
redtest ->
diff --git a/lib/hipe/icode/hipe_icode_range.erl b/lib/hipe/icode/hipe_icode_range.erl
index 287b1c80fe..cf74c1eb5b 100644
--- a/lib/hipe/icode/hipe_icode_range.erl
+++ b/lib/hipe/icode/hipe_icode_range.erl
@@ -1160,6 +1160,8 @@ basic_type(#gc_test{}) -> not_analysed;
%% Message handling
basic_type(check_get_msg) -> not_analysed;
basic_type(next_msg) -> not_analysed;
+basic_type(recv_mark) -> not_analysed;
+basic_type(recv_set) -> not_analysed;
basic_type(select_msg) -> not_analysed;
basic_type(suspend_msg) -> not_analysed;
%% Functions
@@ -1184,7 +1186,8 @@ basic_type(unsafe_hd) -> not_analysed;
basic_type(unsafe_tl) -> not_int;
basic_type(#element{}) -> not_analysed;
basic_type(#unsafe_element{}) -> not_analysed;
-basic_type(#unsafe_update_element{}) -> not_analysed.
+basic_type(#unsafe_update_element{}) -> not_analysed;
+basic_type(build_stacktrace) -> not_int.
-spec analyse_bs_get_integer(integer(), integer(), boolean()) -> range_tuple().
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 21:30:53 +0000