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authorMagnus Lång <[email protected]>2015-10-23 17:09:16 +0200
committerMagnus Lång <[email protected]>2015-11-27 18:18:38 +0100
commit148153eb16e873181ff6961f854105a240989265 (patch)
tree307202287cc27ab559e18675667a9a508a0e4559 /lib/hipe
parentfd21382290333e6cc25728c1b6dd7c211ddfc297 (diff)
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hipe: test unit size match in bs_put_binary_all
The unit size field was previously completely discarded when lowering this instruction from BEAM to Icode. This feature was previously missing and expressions such as <<0, <<1:1>>/binary>> would succeed construction when compiled with HiPE.
Diffstat (limited to 'lib/hipe')
-rw-r--r--lib/hipe/cerl/cerl_to_icode.erl8
-rw-r--r--lib/hipe/icode/hipe_beam_to_icode.erl2
-rw-r--r--lib/hipe/icode/hipe_icode_primops.erl13
-rw-r--r--lib/hipe/rtl/hipe_rtl_binary.erl2
-rw-r--r--lib/hipe/rtl/hipe_rtl_binary_construct.erl22
5 files changed, 25 insertions, 22 deletions
diff --git a/lib/hipe/cerl/cerl_to_icode.erl b/lib/hipe/cerl/cerl_to_icode.erl
index 97b95f2e7c..ab131c2d01 100644
--- a/lib/hipe/cerl/cerl_to_icode.erl
+++ b/lib/hipe/cerl/cerl_to_icode.erl
@@ -794,9 +794,9 @@ bitstr_gen_op([V], #ctxt{fail=FL, class=guard}, SizeInfo, ConstInfo,
Type, Flags, Base, Offset) ->
SL = new_label(),
case SizeInfo of
- {all,_NewUnit, NewAlign, S1} ->
+ {all, NewUnit, NewAlign, S1} ->
Type = binary,
- Name = {bs_put_binary_all, Flags},
+ Name = {bs_put_binary_all, NewUnit, Flags},
Primop = {hipe_bs_primop, Name},
{add_code([icode_guardop([Offset], Primop,
[V, Base, Offset], SL, FL),
@@ -819,9 +819,9 @@ bitstr_gen_op([V], #ctxt{fail=FL, class=guard}, SizeInfo, ConstInfo,
bitstr_gen_op([V], _Ctxt, SizeInfo, ConstInfo, Type, Flags, Base,
Offset) ->
case SizeInfo of
- {all, _NewUnit, NewAlign, S} ->
+ {all, NewUnit, NewAlign, S} ->
Type = binary,
- Name = {bs_put_binary_all, Flags},
+ Name = {bs_put_binary_all, NewUnit, Flags},
Primop = {hipe_bs_primop, Name},
{add_code([icode_call_primop([Offset], Primop,
[V, Base, Offset])], S),
diff --git a/lib/hipe/icode/hipe_beam_to_icode.erl b/lib/hipe/icode/hipe_beam_to_icode.erl
index 0c7bdb788a..6aba48e0c1 100644
--- a/lib/hipe/icode/hipe_beam_to_icode.erl
+++ b/lib/hipe/icode/hipe_beam_to_icode.erl
@@ -1306,7 +1306,7 @@ trans_bin([{bs_put_binary,{f,Lbl},Size,Unit,{field_flags,Flags},Source}|
{Name, Args, Env2} =
case Size of
{atom,all} -> %% put all bits
- {{bs_put_binary_all, Flags}, [Src,Base,Offset], Env};
+ {{bs_put_binary_all, Unit, Flags}, [Src,Base,Offset], Env};
{integer,NoBits} when is_integer(NoBits), NoBits >= 0 ->
%% Create a N*Unit bits subbinary
{{bs_put_binary, NoBits*Unit, Flags}, [Src,Base,Offset], Env};
diff --git a/lib/hipe/icode/hipe_icode_primops.erl b/lib/hipe/icode/hipe_icode_primops.erl
index ffb51b2ea4..c2b4fb1afc 100644
--- a/lib/hipe/icode/hipe_icode_primops.erl
+++ b/lib/hipe/icode/hipe_icode_primops.erl
@@ -116,7 +116,7 @@ is_safe({hipe_bs_primop, {bs_init, _, _}}) -> false;
is_safe({hipe_bs_primop, {bs_init_bits, _}}) -> false;
is_safe({hipe_bs_primop, {bs_init_bits, _, _}}) -> false;
is_safe({hipe_bs_primop, {bs_put_binary, _, _}}) -> false;
-is_safe({hipe_bs_primop, {bs_put_binary_all, _}}) -> false;
+is_safe({hipe_bs_primop, {bs_put_binary_all, _, _}}) -> false;
is_safe({hipe_bs_primop, {bs_put_float, _, _, _}}) -> false;
is_safe({hipe_bs_primop, {bs_put_integer, _, _, _}}) -> false;
is_safe({hipe_bs_primop, {bs_put_string, _, _}}) -> false;
@@ -219,7 +219,7 @@ fails({hipe_bs_primop, {bs_init, _, _}}) -> true;
fails({hipe_bs_primop, {bs_init_bits, _}}) -> true;
fails({hipe_bs_primop, {bs_init_bits, _, _}}) -> true;
fails({hipe_bs_primop, {bs_put_binary, _, _}}) -> true;
-fails({hipe_bs_primop, {bs_put_binary_all, _}}) -> true;
+fails({hipe_bs_primop, {bs_put_binary_all, _, _}}) -> true;
fails({hipe_bs_primop, {bs_put_float, _, _, _}}) -> true;
fails({hipe_bs_primop, {bs_put_integer, _, _, _}}) -> true;
fails({hipe_bs_primop, {bs_put_string, _, _}}) -> true;
@@ -265,8 +265,8 @@ pp(Dev, Op) ->
io:format(Dev, "gc_test<~w>", [N]);
{hipe_bs_primop, BsOp} ->
case BsOp of
- {bs_put_binary_all, Flags} ->
- io:format(Dev, "bs_put_binary_all<~w>", [Flags]);
+ {bs_put_binary_all, Unit, Flags} ->
+ io:format(Dev, "bs_put_binary_all<~w, ~w>", [Unit,Flags]);
{bs_put_binary, Size} ->
io:format(Dev, "bs_put_binary<~w>", [Size]);
{bs_put_binary, Flags, Size} ->
@@ -628,8 +628,9 @@ type(Primop, Args) ->
[_SrcType, _BitsType, _Base, Type] ->
erl_types:t_bitstr_concat(Type, erl_types:t_bitstr(Size, 0))
end;
- {hipe_bs_primop, {bs_put_binary_all, _Flags}} ->
- [SrcType, _Base, Type] = Args,
+ {hipe_bs_primop, {bs_put_binary_all, Unit, _Flags}} ->
+ [SrcType0, _Base, Type] = Args,
+ SrcType = erl_types:t_inf(erl_types:t_bitstr(Unit, 0), SrcType0),
erl_types:t_bitstr_concat(SrcType,Type);
{hipe_bs_primop, {bs_put_string, _, Size}} ->
[_Base, Type] = Args,
diff --git a/lib/hipe/rtl/hipe_rtl_binary.erl b/lib/hipe/rtl/hipe_rtl_binary.erl
index b549073050..4525994f7d 100644
--- a/lib/hipe/rtl/hipe_rtl_binary.erl
+++ b/lib/hipe/rtl/hipe_rtl_binary.erl
@@ -62,7 +62,7 @@ type_of_operation({bs_init,_,_}) -> construct;
type_of_operation({bs_init_bits,_}) -> construct;
type_of_operation({bs_init_bits,_,_}) -> construct;
type_of_operation({bs_put_binary,_,_}) -> construct;
-type_of_operation({bs_put_binary_all,_}) -> construct;
+type_of_operation({bs_put_binary_all,_,_}) -> construct;
type_of_operation({bs_put_float,_,_,_}) -> construct;
type_of_operation({bs_put_integer,_,_,_}) -> construct;
type_of_operation({bs_put_string,_,_}) -> construct;
diff --git a/lib/hipe/rtl/hipe_rtl_binary_construct.erl b/lib/hipe/rtl/hipe_rtl_binary_construct.erl
index 97351d0142..1a78320592 100644
--- a/lib/hipe/rtl/hipe_rtl_binary_construct.erl
+++ b/lib/hipe/rtl/hipe_rtl_binary_construct.erl
@@ -94,10 +94,11 @@ gen_rtl(BsOP, Dst, Args, TrueLblName, FalseLblName, SystemLimitLblName, ConstTab
var_init_bits(Size, Dst0, Base, Offset, TrueLblName,
SystemLimitLblName, FalseLblName);
- {bs_put_binary_all, _Flags} ->
+ {bs_put_binary_all, Unit, _Flags} ->
[Src, Base, Offset] = Args,
[NewOffset] = get_real(Dst),
- put_binary_all(NewOffset, Src, Base, Offset, TrueLblName, FalseLblName);
+ put_binary_all(NewOffset, Src, Base, Offset, Unit,
+ TrueLblName, FalseLblName);
{bs_put_binary, Size, _Flags} ->
case is_illegal_const(Size) of
@@ -368,11 +369,9 @@ not_writable_code(Bin, SizeReg, Dst, Base, Offset, Unit,
TrueLblName, FalseLblName) ->
[SrcBase] = create_unsafe_regs(1),
[SrcOffset, SrcSize, TotSize, TotBytes, UsedBytes] = create_regs(5),
- [DivLbl,IncLbl,AllLbl] = Lbls = create_lbls(3),
- [DivLblName,IncLblName,AllLblName] = get_label_names(Lbls),
+ [IncLbl,AllLbl] = Lbls = create_lbls(2),
+ [IncLblName,AllLblName] = get_label_names(Lbls),
[get_base_offset_size(Bin, SrcBase, SrcOffset, SrcSize, FalseLblName),
- is_divisible(SrcSize, Unit, DivLblName, FalseLblName),
- DivLbl,
hipe_rtl:mk_alu(TotSize, SrcSize, add, SizeReg),
hipe_rtl:mk_alu(TotBytes, TotSize, add, ?LOW_BITS),
hipe_rtl:mk_alu(TotBytes, TotBytes, srl, ?BYTE_SHIFT),
@@ -383,7 +382,7 @@ not_writable_code(Bin, SizeReg, Dst, Base, Offset, Unit,
hipe_rtl:mk_move(UsedBytes, hipe_rtl:mk_imm(256)),
AllLbl,
allocate_writable(Dst, Base, UsedBytes, TotBytes, TotSize),
- put_binary_all(Offset, Bin, Base, hipe_rtl:mk_imm(0),
+ put_binary_all(Offset, Bin, Base, hipe_rtl:mk_imm(0), Unit,
TrueLblName, FalseLblName)].
allocate_writable(Dst, Base, UsedBytes, TotBytes, TotSize) ->
@@ -748,13 +747,16 @@ var_init_bits(Size, Dst, Base, Offset, TrueLblName, SystemLimitLblName, FalseLbl
hipe_rtl:mk_move(Dst, TmpDst),
hipe_rtl:mk_goto(TrueLblName)].
-put_binary_all(NewOffset, Src, Base, Offset, TLName, FLName) ->
+put_binary_all(NewOffset, Src, Base, Offset, Unit, TLName, FLName) ->
[SrcBase,SrcOffset,NumBits] = create_regs(3),
+ [ContLbl] = create_lbls(1),
CCode = binary_c_code(NewOffset, Src, Base, Offset, NumBits, TLName),
AlignedCode = copy_aligned_bytes(SrcBase, SrcOffset, NumBits, Base, Offset,
NewOffset, TLName),
- get_base_offset_size(Src, SrcBase, SrcOffset, NumBits,FLName) ++
- test_alignment(SrcOffset, NumBits, Offset, AlignedCode, CCode).
+ [get_base_offset_size(Src, SrcBase, SrcOffset, NumBits,FLName),
+ is_divisible(NumBits, Unit, hipe_rtl:label_name(ContLbl), FLName),
+ ContLbl
+ |test_alignment(SrcOffset, NumBits, Offset, AlignedCode, CCode)].
test_alignment(SrcOffset, NumBits, Offset, AlignedCode, CCode) ->
[Tmp] = create_regs(1),