aboutsummaryrefslogtreecommitdiffstats
path: root/lib/hipe
diff options
context:
space:
mode:
Diffstat (limited to 'lib/hipe')
-rw-r--r--lib/hipe/amd64/Makefile1
-rw-r--r--lib/hipe/amd64/hipe_amd64_encode.erl2
-rw-r--r--lib/hipe/amd64/hipe_amd64_registers.erl27
-rw-r--r--lib/hipe/flow/ebb.inc14
-rw-r--r--lib/hipe/icode/hipe_beam_to_icode.erl31
-rw-r--r--lib/hipe/icode/hipe_icode_type.erl21
-rw-r--r--lib/hipe/llvm/hipe_rtl_to_llvm.erl2
-rw-r--r--lib/hipe/regalloc/hipe_amd64_specific_sse2.erl4
-rw-r--r--lib/hipe/rtl/hipe_icode2rtl.erl12
-rw-r--r--lib/hipe/rtl/hipe_rtl_binary_construct.erl170
-rw-r--r--lib/hipe/rtl/hipe_tagscheme.erl106
-rw-r--r--lib/hipe/test/basic_SUITE_data/basic_tuples.erl14
-rw-r--r--lib/hipe/x86/hipe_rtl_to_x86.erl1
-rw-r--r--lib/hipe/x86/hipe_x86_assemble.erl29
-rw-r--r--lib/hipe/x86/hipe_x86_postpass.erl8
15 files changed, 198 insertions, 244 deletions
diff --git a/lib/hipe/amd64/Makefile b/lib/hipe/amd64/Makefile
index 617f6749ac..d0da8cdff6 100644
--- a/lib/hipe/amd64/Makefile
+++ b/lib/hipe/amd64/Makefile
@@ -128,6 +128,7 @@ $(EBIN)/hipe_amd64_ra_postconditions.beam: ../main/hipe.hrl ../x86/hipe_x86.hrl
$(EBIN)/hipe_amd64_ra_sse2_postconditions.beam: ../main/hipe.hrl
$(EBIN)/hipe_amd64_registers.beam: ../rtl/hipe_literals.hrl
$(EBIN)/hipe_amd64_spill_restore.beam: ../main/hipe.hrl ../x86/hipe_x86.hrl ../flow/cfg.hrl ../x86/hipe_x86_spill_restore.erl
+$(EBIN)/hipe_amd64_subst.beam: ../x86/hipe_x86_subst.erl
$(EBIN)/hipe_amd64_x87.beam: ../x86/hipe_x86_x87.erl
$(EBIN)/hipe_amd64_sse2.beam: ../main/hipe.hrl ../x86/hipe_x86.hrl
$(EBIN)/hipe_rtl_to_amd64.beam: ../x86/hipe_rtl_to_x86.erl ../rtl/hipe_rtl.hrl
diff --git a/lib/hipe/amd64/hipe_amd64_encode.erl b/lib/hipe/amd64/hipe_amd64_encode.erl
index f8cc0c7d83..bda2824ffc 100644
--- a/lib/hipe/amd64/hipe_amd64_encode.erl
+++ b/lib/hipe/amd64/hipe_amd64_encode.erl
@@ -1316,6 +1316,7 @@ dotest1(OS) ->
RM64 = {rm64,rm_reg(?EDX)},
RM32 = {rm32,rm_reg(?EDX)},
RM16 = {rm16,rm_reg(?EDX)},
+ RM16REX = {rm16,rm_reg(?R13)},
RM8 = {rm8,rm_reg(?EDX)},
RM8REX = {rm8,rm_reg(?SIL)},
Rel32 = {rel32,Word32},
@@ -1479,6 +1480,7 @@ dotest1(OS) ->
t(OS,'test',{RM8,Imm8}),
t(OS,'test',{RM8REX,Imm8}),
t(OS,'test',{RM16,Imm16}),
+ t(OS,'test',{RM16REX,Imm16}),
t(OS,'test',{RM32,Imm32}),
t(OS,'test',{RM64,Imm32}),
t(OS,'test',{RM32,Reg32}),
diff --git a/lib/hipe/amd64/hipe_amd64_registers.erl b/lib/hipe/amd64/hipe_amd64_registers.erl
index a4cb71a106..a5cecef5a1 100644
--- a/lib/hipe/amd64/hipe_amd64_registers.erl
+++ b/lib/hipe/amd64/hipe_amd64_registers.erl
@@ -207,19 +207,14 @@ allocatable_x87() ->
nr_args() -> ?AMD64_NR_ARG_REGS.
-arg(N) ->
- if N < ?AMD64_NR_ARG_REGS ->
- case N of
- 0 -> ?ARG0;
- 1 -> ?ARG1;
- 2 -> ?ARG2;
- 3 -> ?ARG3;
- 4 -> ?ARG4;
- 5 -> ?ARG5;
- _ -> exit({?MODULE, arg, N})
- end;
- true ->
- exit({?MODULE, arg, N})
+arg(N) when N < ?AMD64_NR_ARG_REGS ->
+ case N of
+ 0 -> ?ARG0;
+ 1 -> ?ARG1;
+ 2 -> ?ARG2;
+ 3 -> ?ARG3;
+ 4 -> ?ARG4;
+ 5 -> ?ARG5
end.
is_arg(R) ->
@@ -240,11 +235,7 @@ args(Arity) when is_integer(Arity), Arity >= 0 ->
args(I, Rest) when I < 0 -> Rest;
args(I, Rest) -> args(I-1, [arg(I) | Rest]).
-ret(N) ->
- case N of
- 0 -> ?RAX;
- _ -> exit({?MODULE, ret, N})
- end.
+ret(0) -> ?RAX.
%% Note: the fact that (allocatable() UNION allocatable_x87() UNION
%% allocatable_sse2()) is a subset of call_clobbered() is hard-coded in
diff --git a/lib/hipe/flow/ebb.inc b/lib/hipe/flow/ebb.inc
index 58213e44d5..e4b7fd0efb 100644
--- a/lib/hipe/flow/ebb.inc
+++ b/lib/hipe/flow/ebb.inc
@@ -40,12 +40,14 @@
%% | {ebb_leaf, SuccesorLabel}
%%--------------------------------------------------------------------
-%% XXX: Cheating big time! no recursive types
--type ebb() :: {ebb_node, icode_lbl(), _}
- | {ebb_leaf, icode_lbl()}.
+-type ebb() :: ebb_node()
+ | ebb_leaf().
-record(ebb_node, {label :: icode_lbl(), successors :: [ebb()]}).
+-type ebb_node() :: #ebb_node{}.
+
-record(ebb_leaf, {successor :: icode_lbl()}).
+-type ebb_leaf() :: #ebb_leaf{}.
%%--------------------------------------------------------------------
%% Returns a list of extended basic blocks.
@@ -193,7 +195,7 @@ add_succ([Lbl|Lbls], Visited, Node, MkFun, EBBs, CFG) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
--spec mk_node(icode_lbl(), [ebb()]) -> #ebb_node{}.
+-spec mk_node(icode_lbl(), [ebb()]) -> ebb_node().
mk_node(Label, Successors) -> #ebb_node{label=Label, successors=Successors}.
-spec node_label(#ebb_node{}) -> icode_lbl().
@@ -202,11 +204,11 @@ node_label(#ebb_node{label=Label}) -> Label.
-spec node_successors(#ebb_node{}) -> [ebb()].
node_successors(#ebb_node{successors=Successors}) -> Successors.
--spec mk_leaf(icode_lbl()) -> #ebb_leaf{}.
+-spec mk_leaf(icode_lbl()) -> ebb_leaf().
mk_leaf(NextEbb) -> #ebb_leaf{successor=NextEbb}.
%% leaf_next(Leaf) -> Leaf#ebb_leaf.successor.
--spec type(#ebb_node{}) -> 'node' ; (#ebb_leaf{}) -> 'leaf'.
+-spec type(ebb_node()) -> 'node' ; (ebb_leaf()) -> 'leaf'.
type(#ebb_node{}) -> node;
type(#ebb_leaf{}) -> leaf.
diff --git a/lib/hipe/icode/hipe_beam_to_icode.erl b/lib/hipe/icode/hipe_beam_to_icode.erl
index 100bc0b0e2..610578dfbc 100644
--- a/lib/hipe/icode/hipe_beam_to_icode.erl
+++ b/lib/hipe/icode/hipe_beam_to_icode.erl
@@ -148,7 +148,8 @@ trans_mfa_code(M,F,A, FunBeamCode, ClosureInfo) ->
{Code3,_Env3} = mk_debug_calltrace(MFA, Env1, Code2),
{Code3,_Env3} = {Code2,Env1}),
%% For stack optimization
- Leafness = leafness(Code3),
+ IsClosure = get_closure_info(MFA, ClosureInfo) =/= not_a_closure,
+ Leafness = leafness(Code3, IsClosure),
IsLeaf = is_leaf_code(Leafness),
Code4 =
[FunLbl |
@@ -156,7 +157,6 @@ trans_mfa_code(M,F,A, FunBeamCode, ClosureInfo) ->
false -> Code3;
true -> [mk_redtest()|Code3]
end],
- IsClosure = get_closure_info(MFA, ClosureInfo) =/= not_a_closure,
Code5 = hipe_icode:mk_icode(MFA, FunArgs, IsClosure, IsLeaf,
remove_dead_code(Code4),
hipe_gensym:var_range(icode),
@@ -173,12 +173,12 @@ trans_mfa_code(M,F,A, FunBeamCode, ClosureInfo) ->
mk_redtest() -> hipe_icode:mk_primop([], redtest, []).
-leafness(Is) -> % -> true, selfrec, or false
- leafness(Is, true).
+leafness(Is, IsClosure) -> % -> true, selfrec, closure, or false
+ leafness(Is, IsClosure, true).
-leafness([], Leafness) ->
+leafness([], _IsClosure, Leafness) ->
Leafness;
-leafness([I|Is], Leafness) ->
+leafness([I|Is], IsClosure, Leafness) ->
case I of
#icode_comment{} ->
%% BEAM self-tailcalls become gotos, but they leave
@@ -191,7 +191,7 @@ leafness([I|Is], Leafness) ->
'self_tail_recursive' -> selfrec; % call_only to selfrec
_ -> Leafness
end,
- leafness(Is, NewLeafness);
+ leafness(Is, IsClosure, NewLeafness);
#icode_call{} ->
case hipe_icode:call_type(I) of
'primop' ->
@@ -199,12 +199,12 @@ leafness([I|Is], Leafness) ->
call_fun -> false; % Calls closure
enter_fun -> false; % Calls closure
#apply_N{} -> false;
- _ -> leafness(Is, Leafness) % Other primop calls are ok
+ _ -> leafness(Is, IsClosure, Leafness) % Other primop calls are ok
end;
T when T =:= 'local' orelse T =:= 'remote' ->
{M,F,A} = hipe_icode:call_fun(I),
case erlang:is_builtin(M, F, A) of
- true -> leafness(Is, Leafness);
+ true -> leafness(Is, IsClosure, Leafness);
false -> false
end
end;
@@ -223,11 +223,12 @@ leafness([I|Is], Leafness) ->
T when T =:= 'local' orelse T =:= 'remote' ->
{M,F,A} = hipe_icode:enter_fun(I),
case erlang:is_builtin(M, F, A) of
- true -> leafness(Is, Leafness);
+ true -> leafness(Is, IsClosure, Leafness);
+ _ when IsClosure -> leafness(Is, IsClosure, closure);
_ -> false
end
end;
- _ -> leafness(Is, Leafness)
+ _ -> leafness(Is, IsClosure, Leafness)
end.
%% XXX: this old stuff is passed around but essentially unused
@@ -235,12 +236,20 @@ is_leaf_code(Leafness) ->
case Leafness of
true -> true;
selfrec -> true;
+ closure -> false;
false -> false
end.
needs_redtest(Leafness) ->
case Leafness of
true -> false;
+ %% A "leaf" closure may contain tailcalls to non-closures in addition to
+ %% what other leaves may contain. Omitting the redtest is useful to generate
+ %% shorter code for closures generated by (fun F/A), and is safe since
+ %% control flow cannot return to a "leaf" closure again without a reduction
+ %% being consumed. This is true since no function that can call a closure
+ %% will ever have its redtest omitted.
+ closure -> false;
selfrec -> true;
false -> true
end.
diff --git a/lib/hipe/icode/hipe_icode_type.erl b/lib/hipe/icode/hipe_icode_type.erl
index 815d1e57a8..aafaeb5a0a 100644
--- a/lib/hipe/icode/hipe_icode_type.erl
+++ b/lib/hipe/icode/hipe_icode_type.erl
@@ -1410,9 +1410,10 @@ transform_element2(I) ->
NewIndex =
case test_type(integer, IndexType) of
true ->
- case t_number_vals(IndexType) of
- unknown -> unknown;
- [_|_] = Vals -> {number, Vals}
+ case {number_min(IndexType), number_max(IndexType)} of
+ {Lb0, Ub0} when is_integer(Lb0), is_integer(Ub0) ->
+ {number, Lb0, Ub0};
+ {_, _} -> unknown
end;
_ -> unknown
end,
@@ -1427,19 +1428,19 @@ transform_element2(I) ->
_ -> unknown
end,
case {NewIndex, MinSize} of
- {{number, [_|_] = Ns}, {tuple, A}} when is_integer(A) ->
- case lists:all(fun(X) -> 0 < X andalso X =< A end, Ns) of
+ {{number, Lb, Ub}, {tuple, A}} when is_integer(A) ->
+ case 0 < Lb andalso Ub =< A of
true ->
- case Ns of
- [Idx] ->
+ case {Lb, Ub} of
+ {Idx, Idx} ->
[_, Tuple] = hipe_icode:args(I),
update_call_or_enter(I, #unsafe_element{index = Idx}, [Tuple]);
- [_|_] ->
+ {_, _} ->
NewFun = {element, [MinSize, valid]},
update_call_or_enter(I, NewFun)
end;
false ->
- case lists:all(fun(X) -> hipe_tagscheme:is_fixnum(X) end, Ns) of
+ case lists:all(fun(X) -> hipe_tagscheme:is_fixnum(X) end, [Lb, Ub]) of
true ->
NewFun = {element, [MinSize, fixnums]},
update_call_or_enter(I, NewFun);
@@ -1454,7 +1455,7 @@ transform_element2(I) ->
NewFun = {element, [MinSize, fixnums]},
update_call_or_enter(I, NewFun);
false ->
- NewFun = {element, [MinSize, NewIndex]},
+ NewFun = {element, [MinSize, NewIndex]},
update_call_or_enter(I, NewFun)
end
end.
diff --git a/lib/hipe/llvm/hipe_rtl_to_llvm.erl b/lib/hipe/llvm/hipe_rtl_to_llvm.erl
index 208d86841f..79e1bfd381 100644
--- a/lib/hipe/llvm/hipe_rtl_to_llvm.erl
+++ b/lib/hipe/llvm/hipe_rtl_to_llvm.erl
@@ -1364,7 +1364,7 @@ create_function_definition(Fun, Params, Code, LocalVars) ->
EntryBlock =
lists:flatten([EntryLabel, ExceptionSync, I2, LocalVars, StoredParams, I3]),
Final_Code = EntryBlock ++ Code,
- FunctionOptions = [nounwind, noredzone, list_to_atom("gc \"erlang\"")],
+ FunctionOptions = [nounwind, noredzone, 'gc "erlang"'],
WordTy = hipe_llvm:mk_int(?BITS_IN_WORD),
FunRetTy = hipe_llvm:mk_struct(lists:duplicate(?NR_PINNED_REGS + 1, WordTy)),
hipe_llvm:mk_fun_def([], [], "cc 11", [], FunRetTy, FunctionName, Args,
diff --git a/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl b/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl
index 9c94539bc6..9682d37520 100644
--- a/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl
+++ b/lib/hipe/regalloc/hipe_amd64_specific_sse2.erl
@@ -126,8 +126,8 @@ temp0(_) ->
all_precoloured(Ctx) ->
allocatable(Ctx).
-is_precoloured(Reg, Ctx) ->
- lists:member(Reg,all_precoloured(Ctx)).
+is_precoloured(Reg, _) ->
+ hipe_amd64_registers:is_precoloured_sse2(Reg).
physical_name(Reg, _) ->
Reg.
diff --git a/lib/hipe/rtl/hipe_icode2rtl.erl b/lib/hipe/rtl/hipe_icode2rtl.erl
index 82970f04ab..6da8a76d34 100644
--- a/lib/hipe/rtl/hipe_icode2rtl.erl
+++ b/lib/hipe/rtl/hipe_icode2rtl.erl
@@ -532,8 +532,12 @@ gen_cond(CondOp, Args, TrueLbl, FalseLbl, Pred) ->
FalseLbl, Pred)];
'=:=' ->
[Arg1, Arg2] = Args,
+ TypeTestLbl = hipe_rtl:mk_new_label(),
[hipe_rtl:mk_branch(Arg1, eq, Arg2, TrueLbl,
- hipe_rtl:label_name(GenLbl), Pred),
+ hipe_rtl:label_name(TypeTestLbl), Pred),
+ TypeTestLbl,
+ hipe_tagscheme:test_either_immed(Arg1, Arg2, FalseLbl,
+ hipe_rtl:label_name(GenLbl)),
GenLbl,
hipe_rtl:mk_call([Tmp], op_exact_eqeq_2, Args,
TestRetName, [], not_remote),
@@ -546,8 +550,12 @@ gen_cond(CondOp, Args, TrueLbl, FalseLbl, Pred) ->
TrueLbl, 1-Pred)];
'=/=' ->
[Arg1, Arg2] = Args,
+ TypeTestLbl = hipe_rtl:mk_new_label(),
[hipe_rtl:mk_branch(Arg1, eq, Arg2, FalseLbl,
- hipe_rtl:label_name(GenLbl), 1-Pred),
+ hipe_rtl:label_name(TypeTestLbl), 1-Pred),
+ TypeTestLbl,
+ hipe_tagscheme:test_either_immed(Arg1, Arg2, TrueLbl,
+ hipe_rtl:label_name(GenLbl)),
GenLbl,
hipe_rtl:mk_call([Tmp], op_exact_eqeq_2, Args,
TestRetName, [], not_remote),
diff --git a/lib/hipe/rtl/hipe_rtl_binary_construct.erl b/lib/hipe/rtl/hipe_rtl_binary_construct.erl
index fd0d1f1223..52ea5db382 100644
--- a/lib/hipe/rtl/hipe_rtl_binary_construct.erl
+++ b/lib/hipe/rtl/hipe_rtl_binary_construct.erl
@@ -137,43 +137,6 @@ gen_rtl(BsOP, Dst, Args, TrueLblName, FalseLblName, SystemLimitLblName, ConstTab
end
end;
- {bs_put_integer, Size, Flags, ConstInfo} ->
- Aligned = aligned(Flags),
- LittleEndian = littleendian(Flags),
- [NewOffset] = get_real(Dst),
- case is_illegal_const(Size) of
- true ->
- [hipe_rtl:mk_goto(FalseLblName)];
- false ->
- case ConstInfo of
- fail ->
- [hipe_rtl:mk_goto(FalseLblName)];
- _ ->
- case Args of
- [Src, Base, Offset] ->
- CCode = static_int_c_code(NewOffset, Src,
- Base, Offset, Size,
- Flags, TrueLblName,
- FalseLblName),
- put_static_int(NewOffset, Src, Base, Offset, Size,
- CCode, Aligned, LittleEndian, TrueLblName);
- [Src, Bits, Base, Offset] ->
- {SizeCode, SizeReg} =
- hipe_rtl_binary:make_size(Size, Bits,
- SystemLimitLblName,
- FalseLblName),
- CCode = int_c_code(NewOffset, Src, Base,
- Offset, SizeReg, Flags,
- TrueLblName, FalseLblName),
- InCode =
- put_dynamic_int(NewOffset, Src, Base, Offset,
- SizeReg, CCode, Aligned,
- LittleEndian, TrueLblName),
- SizeCode ++ InCode
- end
- end
- end;
-
{unsafe_bs_put_integer, 0, _Flags, _ConstInfo} ->
[NewOffset] = get_real(Dst),
case Args of
@@ -186,44 +149,12 @@ gen_rtl(BsOP, Dst, Args, TrueLblName, FalseLblName, SystemLimitLblName, ConstTab
end;
{unsafe_bs_put_integer, Size, Flags, ConstInfo} ->
- case is_illegal_const(Size) of
- true ->
- [hipe_rtl:mk_goto(FalseLblName)];
- false ->
- Aligned = aligned(Flags),
- LittleEndian = littleendian(Flags),
- [NewOffset] = get_real(Dst),
- case ConstInfo of
- fail ->
- [hipe_rtl:mk_goto(FalseLblName)];
- _ ->
- case Args of
- [Src, Base, Offset] ->
- CCode = static_int_c_code(NewOffset, Src,
- Base, Offset, Size,
- Flags, TrueLblName,
- FalseLblName),
- put_unsafe_static_int(NewOffset, Src, Base,
- Offset, Size,
- CCode, Aligned, LittleEndian,
- TrueLblName);
- [Src, Bits, Base, Offset] ->
- {SizeCode, SizeReg} =
- hipe_rtl_binary:make_size(Size, Bits,
- SystemLimitLblName,
- FalseLblName),
- CCode = int_c_code(NewOffset, Src, Base,
- Offset, SizeReg, Flags,
- TrueLblName, FalseLblName),
- InCode =
- put_unsafe_dynamic_int(NewOffset, Src, Base,
- Offset, SizeReg, CCode,
- Aligned, LittleEndian,
- TrueLblName),
- SizeCode ++ InCode
- end
- end
- end;
+ do_bs_put_integer(Dst, Args, Size, Flags, ConstInfo, true,
+ TrueLblName, FalseLblName, SystemLimitLblName);
+
+ {bs_put_integer, Size, Flags, ConstInfo} ->
+ do_bs_put_integer(Dst, Args, Size, Flags, ConstInfo, false,
+ TrueLblName, FalseLblName, SystemLimitLblName);
bs_utf8_size ->
case Dst of
@@ -360,6 +291,40 @@ gen_rtl(BsOP, Dst, Args, TrueLblName, FalseLblName, SystemLimitLblName, ConstTab
{Code, ConstTab}
end.
+%% Common implementation of bs_put_integer and unsafe_bs_put_integer
+do_bs_put_integer(Dst, Args, Size, Flags, ConstInfo, SrcUnsafe,
+ TrueLblName, FalseLblName, SystemLimitLblName) ->
+ case is_illegal_const(Size) of
+ true ->
+ [hipe_rtl:mk_goto(FalseLblName)];
+ false ->
+ Aligned = aligned(Flags),
+ LittleEndian = littleendian(Flags),
+ [NewOffset] = get_real(Dst),
+ case ConstInfo of
+ fail ->
+ [hipe_rtl:mk_goto(FalseLblName)];
+ _ ->
+ case Args of
+ [Src, Base, Offset] ->
+ CCode = static_int_c_code(NewOffset, Src, Base, Offset, Size,
+ Flags, TrueLblName, FalseLblName),
+ put_static_int(NewOffset, Src, Base, Offset, Size, CCode, Aligned,
+ LittleEndian, SrcUnsafe, TrueLblName);
+ [Src, Bits, Base, Offset] ->
+ {SizeCode, SizeReg} =
+ hipe_rtl_binary:make_size(Size, Bits, SystemLimitLblName,
+ FalseLblName),
+ CCode = int_c_code(NewOffset, Src, Base, Offset, SizeReg, Flags,
+ TrueLblName, FalseLblName),
+ InCode = put_dynamic_int(NewOffset, Src, Base, Offset, SizeReg,
+ CCode, Aligned, LittleEndian, SrcUnsafe,
+ TrueLblName),
+ SizeCode ++ InCode
+ end
+ end
+ end.
+
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% Code that is used in the append and init writeable functions
@@ -807,28 +772,8 @@ put_float(_NewOffset, _Src, _Base, _Offset, _Size, CCode, _Aligned,
CCode.
put_static_int(NewOffset, Src, Base, Offset, Size, CCode, Aligned,
- LittleEndian, TrueLblName) ->
- {Init, End, UntaggedSrc} = make_init_end(Src, CCode, TrueLblName),
- case {Aligned, LittleEndian} of
- {true, true} ->
- Init ++
- copy_int_little(Base, Offset, NewOffset, Size, UntaggedSrc) ++
- End;
- {true, false} ->
- Init ++
- copy_int_big(Base, Offset, NewOffset, Size, UntaggedSrc) ++
- End;
- {false, true} ->
- CCode;
- {false, false} ->
- Init ++
- copy_offset_int_big(Base, Offset, NewOffset, Size, UntaggedSrc) ++
- End
- end.
-
-put_unsafe_static_int(NewOffset, Src, Base, Offset, Size, CCode, Aligned,
- LittleEndian, TrueLblName) ->
- {Init, End, UntaggedSrc} = make_init_end(Src, TrueLblName),
+ LittleEndian, SrcUnsafe, TrueLblName) ->
+ {Init, End, UntaggedSrc} = make_init_end(Src, CCode, SrcUnsafe, TrueLblName),
case {Aligned, LittleEndian} of
{true, true} ->
Init ++
@@ -847,27 +792,8 @@ put_unsafe_static_int(NewOffset, Src, Base, Offset, Size, CCode, Aligned,
end.
put_dynamic_int(NewOffset, Src, Base, Offset, SizeReg, CCode, Aligned,
- LittleEndian, TrueLblName) ->
- {Init, End, UntaggedSrc} = make_init_end(Src, CCode, TrueLblName),
- case Aligned of
- true ->
- case LittleEndian of
- true ->
- Init ++
- copy_int_little(Base, Offset, NewOffset, SizeReg, UntaggedSrc) ++
- End;
- false ->
- Init ++
- copy_int_big(Base, Offset, NewOffset, SizeReg, UntaggedSrc) ++
- End
- end;
- false ->
- CCode
- end.
-
-put_unsafe_dynamic_int(NewOffset, Src, Base, Offset, SizeReg, CCode, Aligned,
- LittleEndian, TrueLblName) ->
- {Init, End, UntaggedSrc} = make_init_end(Src, TrueLblName),
+ LittleEndian, SrcUnsafe, TrueLblName) ->
+ {Init, End, UntaggedSrc} = make_init_end(Src, CCode, SrcUnsafe, TrueLblName),
case Aligned of
true ->
case LittleEndian of
@@ -884,14 +810,13 @@ put_unsafe_dynamic_int(NewOffset, Src, Base, Offset, SizeReg, CCode, Aligned,
CCode
end.
-
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
%%
%% Help functions used by the above
%%
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
-make_init_end(Src, CCode, TrueLblName) ->
+make_init_end(Src, CCode, false, TrueLblName) ->
[CLbl, SuccessLbl] = create_lbls(2),
[UntaggedSrc] = create_regs(1),
Init = [hipe_tagscheme:test_fixnum(Src, hipe_rtl:label_name(SuccessLbl),
@@ -899,9 +824,8 @@ make_init_end(Src, CCode, TrueLblName) ->
SuccessLbl,
hipe_tagscheme:untag_fixnum(UntaggedSrc,Src)],
End = [hipe_rtl:mk_goto(TrueLblName), CLbl| CCode],
- {Init, End, UntaggedSrc}.
-
-make_init_end(Src, TrueLblName) ->
+ {Init, End, UntaggedSrc};
+make_init_end(Src, _CCode, true, TrueLblName) ->
[UntaggedSrc] = create_regs(1),
Init = [hipe_tagscheme:untag_fixnum(UntaggedSrc,Src)],
End = [hipe_rtl:mk_goto(TrueLblName)],
diff --git a/lib/hipe/rtl/hipe_tagscheme.erl b/lib/hipe/rtl/hipe_tagscheme.erl
index 35d1e7c8a4..68cbe75e85 100644
--- a/lib/hipe/rtl/hipe_tagscheme.erl
+++ b/lib/hipe/rtl/hipe_tagscheme.erl
@@ -40,6 +40,7 @@
fixnum_gt/5, fixnum_lt/5, fixnum_ge/5, fixnum_le/5, fixnum_val/1,
fixnum_mul/4, fixnum_addsub/5, fixnum_andorxor/4, fixnum_not/2,
fixnum_bsr/3, fixnum_bsl/3]).
+-export([test_either_immed/4]).
-export([unsafe_car/2, unsafe_cdr/2,
unsafe_constant_element/3, unsafe_update_element/3, element/6]).
-export([unsafe_closure_element/3]).
@@ -363,14 +364,17 @@ test_matchstate(X, TrueLab, FalseLab, Pred) ->
mask_and_compare(Tmp, ?TAG_HEADER_MASK, ?TAG_HEADER_BIN_MATCHSTATE,
TrueLab, FalseLab, Pred)].
+test_bitstr_header(HdrTmp, TrueLab, FalseLab, Pred) ->
+ Mask = ?TAG_HEADER_MASK - ?BINARY_XXX_MASK,
+ mask_and_compare(HdrTmp, Mask, ?TAG_HEADER_REFC_BIN, TrueLab, FalseLab, Pred).
+
test_bitstr(X, TrueLab, FalseLab, Pred) ->
Tmp = hipe_rtl:mk_new_reg_gcsafe(),
HalfTrueLab = hipe_rtl:mk_new_label(),
- Mask = ?TAG_HEADER_MASK - ?BINARY_XXX_MASK,
[test_is_boxed(X, hipe_rtl:label_name(HalfTrueLab), FalseLab, Pred),
HalfTrueLab,
get_header(Tmp, X),
- mask_and_compare(Tmp, Mask, ?TAG_HEADER_REFC_BIN, TrueLab, FalseLab, Pred)].
+ test_bitstr_header(Tmp, TrueLab, FalseLab, Pred)].
test_binary(X, TrueLab, FalseLab, Pred) ->
Tmp1 = hipe_rtl:mk_new_reg_gcsafe(),
@@ -378,12 +382,10 @@ test_binary(X, TrueLab, FalseLab, Pred) ->
IsBoxedLab = hipe_rtl:mk_new_label(),
IsBitStrLab = hipe_rtl:mk_new_label(),
IsSubBinLab = hipe_rtl:mk_new_label(),
- Mask = ?TAG_HEADER_MASK - ?BINARY_XXX_MASK,
[test_is_boxed(X, hipe_rtl:label_name(IsBoxedLab), FalseLab, Pred),
IsBoxedLab,
get_header(Tmp1, X),
- mask_and_compare(Tmp1, Mask, ?TAG_HEADER_REFC_BIN,
- hipe_rtl:label_name(IsBitStrLab), FalseLab, Pred),
+ test_bitstr_header(Tmp1, hipe_rtl:label_name(IsBitStrLab), FalseLab, Pred),
IsBitStrLab,
mask_and_compare(Tmp1, ?TAG_HEADER_MASK, ?TAG_HEADER_SUB_BIN,
hipe_rtl:label_name(IsSubBinLab), TrueLab, 0.5),
@@ -453,6 +455,10 @@ test_fixnums_1([Arg1, Arg2|Args], Acc) ->
Tmp = hipe_rtl:mk_new_reg_gcsafe(),
test_fixnums_1([Tmp|Args], [hipe_rtl:mk_alu(Tmp, Arg1, 'and', Arg2)|Acc]).
+test_two_fixnums(Arg, Arg, FalseLab) ->
+ TrueLab = hipe_rtl:mk_new_label(),
+ [test_fixnum(Arg, hipe_rtl:label_name(TrueLab), FalseLab, 0.99),
+ TrueLab];
test_two_fixnums(Arg1, Arg2, FalseLab) ->
TrueLab = hipe_rtl:mk_new_label(),
case hipe_rtl:is_imm(Arg1) orelse hipe_rtl:is_imm(Arg2) of
@@ -567,8 +573,8 @@ fixnum_andorxor(AluOp, Arg1, Arg2, Res) ->
case AluOp of
'xor' ->
Tmp = hipe_rtl:mk_new_reg_gcsafe(),
- [hipe_rtl:mk_alu(Tmp, Arg1, 'xor', Arg2), % clears tag :-(
- hipe_rtl:mk_alu(Res, Tmp, 'or', hipe_rtl:mk_imm(?TAG_IMMED1_SMALL))];
+ [hipe_rtl:mk_alu(Tmp, Arg1, 'sub', hipe_rtl:mk_imm(?TAG_IMMED1_SMALL)),
+ hipe_rtl:mk_alu(Res, Tmp, 'xor', Arg2)];
_ -> hipe_rtl:mk_alu(Res, Arg1, AluOp, Arg2)
end.
@@ -595,6 +601,21 @@ fixnum_bsl(Arg1, Arg2, Res) ->
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+%% Test if either of two values are immediate (primary tag IMMED1, 0x3)
+test_either_immed(Arg1, Arg2, TrueLab, FalseLab) ->
+ %% This test assumes primary tag 0x0 is reserved and immed has tag 0x3
+ 16#0 = ?TAG_PRIMARY_HEADER,
+ 16#3 = ?TAG_PRIMARY_IMMED1,
+ Tmp1 = hipe_rtl:mk_new_reg_gcsafe(),
+ Tmp2 = hipe_rtl:mk_new_reg_gcsafe(),
+ [hipe_rtl:mk_alu(Tmp1, Arg1, 'sub', hipe_rtl:mk_imm(1)),
+ hipe_rtl:mk_alu(Tmp2, Arg2, 'sub', hipe_rtl:mk_imm(1)),
+ hipe_rtl:mk_alu(Tmp2, Tmp2, 'or', Tmp1),
+ hipe_rtl:mk_branch(Tmp2, 'and', hipe_rtl:mk_imm(2), eq,
+ FalseLab, TrueLab, 0.01)].
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
unsafe_car(Dst, Arg) ->
hipe_rtl:mk_load(Dst, Arg, hipe_rtl:mk_imm(-(?TAG_PRIMARY_LIST))).
@@ -631,14 +652,13 @@ unsafe_update_element(Tuple, Index, Value) -> % Index is an immediate
element(Dst, Index, Tuple, FailLabName, {tuple, A}, IndexInfo) ->
FixnumOkLab = hipe_rtl:mk_new_label(),
IndexOkLab = hipe_rtl:mk_new_label(),
- Ptr = hipe_rtl:mk_new_reg(), % offset from Tuple
UIndex = hipe_rtl:mk_new_reg_gcsafe(),
Arity = hipe_rtl:mk_imm(A),
- InvIndex = hipe_rtl:mk_new_reg_gcsafe(),
- Offset = hipe_rtl:mk_new_reg_gcsafe(),
case IndexInfo of
valid ->
%% This is no branch, 1 load and 3 alus = 4 instr
+ Offset = hipe_rtl:mk_new_reg_gcsafe(),
+ Ptr = hipe_rtl:mk_new_reg(), % offset from Tuple
[untag_fixnum(UIndex, Index),
hipe_rtl:mk_alu(Ptr, Tuple, 'sub', hipe_rtl:mk_imm(?TAG_PRIMARY_BOXED)),
hipe_rtl:mk_alu(Offset, UIndex, 'sll',
@@ -647,72 +667,56 @@ element(Dst, Index, Tuple, FailLabName, {tuple, A}, IndexInfo) ->
fixnums ->
%% This is 1 branch, 1 load and 4 alus = 6 instr
[untag_fixnum(UIndex, Index),
- hipe_rtl:mk_alu(Ptr, Tuple, 'sub',hipe_rtl:mk_imm(?TAG_PRIMARY_BOXED))|
- gen_element_tail(Dst, Ptr, InvIndex, Arity, Offset, UIndex,
- FailLabName, IndexOkLab)];
+ gen_element_tail(Dst, Tuple, Arity, UIndex, FailLabName, IndexOkLab)];
_ ->
%% This is 3 branches, 1 load and 5 alus = 9 instr
[test_fixnum(Index, hipe_rtl:label_name(FixnumOkLab),
FailLabName, 0.99),
FixnumOkLab,
untag_fixnum(UIndex, Index),
- hipe_rtl:mk_alu(Ptr, Tuple, 'sub',hipe_rtl:mk_imm(?TAG_PRIMARY_BOXED))|
- gen_element_tail(Dst, Ptr, InvIndex, Arity, Offset, UIndex,
- FailLabName, IndexOkLab)]
+ gen_element_tail(Dst, Tuple, Arity, UIndex, FailLabName, IndexOkLab)]
end;
element(Dst, Index, Tuple, FailLabName, tuple, IndexInfo) ->
FixnumOkLab = hipe_rtl:mk_new_label(),
IndexOkLab = hipe_rtl:mk_new_label(),
- Ptr = hipe_rtl:mk_new_reg(), % offset from Tuple
Header = hipe_rtl:mk_new_reg_gcsafe(),
UIndex = hipe_rtl:mk_new_reg_gcsafe(),
Arity = hipe_rtl:mk_new_reg_gcsafe(),
- InvIndex = hipe_rtl:mk_new_reg_gcsafe(),
- Offset = hipe_rtl:mk_new_reg_gcsafe(),
case IndexInfo of
fixnums ->
%% This is 1 branch, 2 loads and 5 alus = 8 instr
- [hipe_rtl:mk_alu(Ptr, Tuple, 'sub', hipe_rtl:mk_imm(?TAG_PRIMARY_BOXED)),
- hipe_rtl:mk_load(Header, Ptr, hipe_rtl:mk_imm(0)),
+ [get_header(Header, Tuple),
untag_fixnum(UIndex, Index),
hipe_rtl:mk_alu(Arity,Header,'srl',hipe_rtl:mk_imm(?HEADER_ARITY_OFFS))|
- gen_element_tail(Dst, Ptr, InvIndex, Arity, Offset, UIndex,
- FailLabName, IndexOkLab)];
+ gen_element_tail(Dst, Tuple, Arity, UIndex, FailLabName, IndexOkLab)];
Num when is_integer(Num) ->
%% This is 1 branch, 1 load and 3 alus = 5 instr
- [hipe_rtl:mk_alu(Ptr, Tuple, 'sub', hipe_rtl:mk_imm(?TAG_PRIMARY_BOXED))|
- gen_element_tail(Dst, Ptr, InvIndex, hipe_rtl:mk_imm(Num),
- Offset, UIndex, FailLabName, IndexOkLab)];
+ gen_element_tail(Dst, Tuple, hipe_rtl:mk_imm(Num), UIndex, FailLabName,
+ IndexOkLab);
_ ->
%% This is 2 branches, 2 loads and 6 alus = 10 instr
[test_fixnum(Index, hipe_rtl:label_name(FixnumOkLab), FailLabName, 0.99),
FixnumOkLab,
- hipe_rtl:mk_alu(Ptr, Tuple, 'sub', hipe_rtl:mk_imm(?TAG_PRIMARY_BOXED)),
- hipe_rtl:mk_load(Header, Ptr, hipe_rtl:mk_imm(0)),
+ get_header(Header, Tuple),
untag_fixnum(UIndex, Index),
hipe_rtl:mk_alu(Arity,Header,'srl',hipe_rtl:mk_imm(?HEADER_ARITY_OFFS))|
- gen_element_tail(Dst, Ptr, InvIndex, Arity, Offset, UIndex,
- FailLabName, IndexOkLab)]
+ gen_element_tail(Dst, Tuple, Arity, UIndex, FailLabName, IndexOkLab)]
end;
element(Dst, Index, Tuple, FailLabName, unknown, IndexInfo) ->
FixnumOkLab = hipe_rtl:mk_new_label(),
BoxedOkLab = hipe_rtl:mk_new_label(),
TupleOkLab = hipe_rtl:mk_new_label(),
IndexOkLab = hipe_rtl:mk_new_label(),
- Ptr = hipe_rtl:mk_new_reg(), % offset from Tuple
Header = hipe_rtl:mk_new_reg_gcsafe(),
UIndex = hipe_rtl:mk_new_reg_gcsafe(),
Arity = hipe_rtl:mk_new_reg_gcsafe(),
- InvIndex = hipe_rtl:mk_new_reg_gcsafe(),
- Offset = hipe_rtl:mk_new_reg_gcsafe(),
case IndexInfo of
fixnums ->
%% This is 3 branches, 2 loads and 5 alus = 10 instr
[test_is_boxed(Tuple, hipe_rtl:label_name(BoxedOkLab),
FailLabName, 0.99),
BoxedOkLab,
- hipe_rtl:mk_alu(Ptr, Tuple, 'sub', hipe_rtl:mk_imm(?TAG_PRIMARY_BOXED)),
- hipe_rtl:mk_load(Header, Ptr, hipe_rtl:mk_imm(0)),
+ get_header(Header, Tuple),
hipe_rtl:mk_branch(Header, 'and',
hipe_rtl:mk_imm(?TAG_HEADER_MASK), 'eq',
hipe_rtl:label_name(TupleOkLab), FailLabName, 0.99),
@@ -720,23 +724,21 @@ element(Dst, Index, Tuple, FailLabName, unknown, IndexInfo) ->
untag_fixnum(UIndex, Index),
hipe_rtl:mk_alu(Arity, Header, 'srl',
hipe_rtl:mk_imm(?HEADER_ARITY_OFFS))|
- gen_element_tail(Dst, Ptr, InvIndex, Arity, Offset,
- UIndex, FailLabName, IndexOkLab)];
+ gen_element_tail(Dst, Tuple, Arity, UIndex, FailLabName, IndexOkLab)];
Num when is_integer(Num) ->
%% This is 3 branches, 2 loads and 4 alus = 9 instr
[test_is_boxed(Tuple, hipe_rtl:label_name(BoxedOkLab),
FailLabName, 0.99),
BoxedOkLab,
- hipe_rtl:mk_alu(Ptr, Tuple, 'sub', hipe_rtl:mk_imm(?TAG_PRIMARY_BOXED)),
- hipe_rtl:mk_load(Header, Ptr, hipe_rtl:mk_imm(0)),
+ get_header(Header, Tuple),
hipe_rtl:mk_branch(Header, 'and',
hipe_rtl:mk_imm(?TAG_HEADER_MASK), 'eq',
hipe_rtl:label_name(TupleOkLab), FailLabName, 0.99),
TupleOkLab,
hipe_rtl:mk_alu(Arity, Header, 'srl',
hipe_rtl:mk_imm(?HEADER_ARITY_OFFS))|
- gen_element_tail(Dst, Ptr, InvIndex, Arity, Offset,
- hipe_rtl:mk_imm(Num), FailLabName, IndexOkLab)];
+ gen_element_tail(Dst, Tuple, Arity, hipe_rtl:mk_imm(Num), FailLabName,
+ IndexOkLab)];
_ ->
%% This is 4 branches, 2 loads, and 6 alus = 12 instr :(
[test_fixnum(Index, hipe_rtl:label_name(FixnumOkLab),
@@ -745,8 +747,7 @@ element(Dst, Index, Tuple, FailLabName, unknown, IndexInfo) ->
test_is_boxed(Tuple, hipe_rtl:label_name(BoxedOkLab),
FailLabName, 0.99),
BoxedOkLab,
- hipe_rtl:mk_alu(Ptr, Tuple, 'sub', hipe_rtl:mk_imm(?TAG_PRIMARY_BOXED)),
- hipe_rtl:mk_load(Header, Ptr, hipe_rtl:mk_imm(0)),
+ get_header(Header, Tuple),
hipe_rtl:mk_branch(Header, 'and',
hipe_rtl:mk_imm(?TAG_HEADER_MASK), 'eq',
hipe_rtl:label_name(TupleOkLab), FailLabName, 0.99),
@@ -754,20 +755,21 @@ element(Dst, Index, Tuple, FailLabName, unknown, IndexInfo) ->
untag_fixnum(UIndex, Index),
hipe_rtl:mk_alu(Arity, Header, 'srl',
hipe_rtl:mk_imm(?HEADER_ARITY_OFFS))|
- gen_element_tail(Dst, Ptr, InvIndex, Arity, Offset,
- UIndex, FailLabName, IndexOkLab)]
+ gen_element_tail(Dst, Tuple, Arity, UIndex, FailLabName, IndexOkLab)]
end.
-gen_element_tail(Dst, Ptr, InvIndex, Arity, Offset,
- UIndex, FailLabName, IndexOkLab) ->
+gen_element_tail(Dst, Tuple, Arity, UIndex, FailLabName, IndexOkLab) ->
+ ZeroIndex = hipe_rtl:mk_new_reg_gcsafe(),
+ Offset = hipe_rtl:mk_new_reg_gcsafe(),
+ Ptr = hipe_rtl:mk_new_reg(), % offset from Tuple
%% now check that 1 <= UIndex <= Arity
- %% if UIndex < 1, then (Arity - UIndex) >= Arity
- %% if UIndex > Arity, then (Arity - UIndex) < 0, which is >=u Arity
- %% otherwise, 0 <= (Arity - UIndex) < Arity
- [hipe_rtl:mk_alu(InvIndex, Arity, 'sub', UIndex),
- hipe_rtl:mk_branch(InvIndex, 'geu', Arity, FailLabName,
+ %% by checking the equivalent (except for when Arity>=2^(WordSize-1))
+ %% (UIndex - 1) <u Arity
+ [hipe_rtl:mk_alu(ZeroIndex, UIndex, 'sub', hipe_rtl:mk_imm(1)),
+ hipe_rtl:mk_branch(ZeroIndex, 'geu', Arity, FailLabName,
hipe_rtl:label_name(IndexOkLab), 0.01),
IndexOkLab,
+ hipe_rtl:mk_alu(Ptr, Tuple, 'sub', hipe_rtl:mk_imm(?TAG_PRIMARY_BOXED)),
hipe_rtl:mk_alu(Offset, UIndex, 'sll',
hipe_rtl:mk_imm(hipe_rtl_arch:log2_word_size())),
hipe_rtl:mk_load(Dst, Ptr, Offset)].
diff --git a/lib/hipe/test/basic_SUITE_data/basic_tuples.erl b/lib/hipe/test/basic_SUITE_data/basic_tuples.erl
index 94c187e364..96e39d565a 100644
--- a/lib/hipe/test/basic_SUITE_data/basic_tuples.erl
+++ b/lib/hipe/test/basic_SUITE_data/basic_tuples.erl
@@ -55,6 +55,8 @@ test_element(T0, T1, T2, N) ->
List = lists:seq(1, N),
Tuple = list_to_tuple(List),
ok = get_elements(List, Tuple, 1),
+ %% element/2 of larger tuple with omitted bounds test
+ true = lists:all(fun(I) -> I * I =:= square(I) end, lists:seq(1, 20)),
%% some cases that throw exceptions
{'EXIT', _} = (catch my_element(0, T2)),
{'EXIT', _} = (catch my_element(3, T2)),
@@ -73,6 +75,18 @@ get_elements([Element|Rest], Tuple, Pos) ->
get_elements([], _Tuple, _Pos) ->
ok.
+squares() ->
+ {1*1, 2*2, 3*3, 4*4, 5*5, 6*6, 7*7, 8*8, 9*9, 10*10,
+ 11*11, 12*12, 13*13, 14*14, 15*15, 16*16, 17*17, 18*18, 19*19, 20*20}.
+
+square(N) when is_integer(N), N >= 1, N =< 20 ->
+ %% The guard tests lets the range analysis conclude N to be an integer in the
+ %% 1..20 range. 20-1=19 is bigger than ?SET_LIMIT in erl_types.erl, and will
+ %% thus be represented by an ?int_range() rather than an ?int_set().
+ %% Because of the range analysis, the bounds test of this element/2 call
+ %% should be omitted.
+ element(N, squares()).
+
%%--------------------------------------------------------------------
%% Tests set_element/3.
diff --git a/lib/hipe/x86/hipe_rtl_to_x86.erl b/lib/hipe/x86/hipe_rtl_to_x86.erl
index 29cad6ca51..31e4f6e4ac 100644
--- a/lib/hipe/x86/hipe_rtl_to_x86.erl
+++ b/lib/hipe/x86/hipe_rtl_to_x86.erl
@@ -124,7 +124,6 @@ conv_insn(I, Map, Data) ->
hipe_rtl:call_continuation(I),
hipe_rtl:call_fail(I),
hipe_rtl:call_type(I)),
- %% XXX Fixme: this ++ is probably inefficient.
{FixArgs++I2, Map2, Data};
#comment{} ->
I2 = [hipe_x86:mk_comment(hipe_rtl:comment_text(I))],
diff --git a/lib/hipe/x86/hipe_x86_assemble.erl b/lib/hipe/x86/hipe_x86_assemble.erl
index ef9c32ef41..fb0beba293 100644
--- a/lib/hipe/x86/hipe_x86_assemble.erl
+++ b/lib/hipe/x86/hipe_x86_assemble.erl
@@ -148,6 +148,8 @@ insn_size(I) ->
translate_insn(I, Context, Options) ->
case I of
+ #alu{aluop='xor', src=#x86_temp{reg=Reg}=Src, dst=#x86_temp{reg=Reg}=Dst} ->
+ [{'xor', {temp_to_reg32(Dst), temp_to_rm32(Src)}, I}];
#alu{} ->
Arg = resolve_alu_args(hipe_x86:alu_src(I), hipe_x86:alu_dst(I), Context),
[{hipe_x86:alu_op(I), Arg, I}];
@@ -228,11 +230,11 @@ translate_insn(I, Context, Options) ->
#move64{} ->
translate_move64(I, Context);
#movsx{} ->
- Arg = resolve_movx_args(hipe_x86:movsx_src(I), hipe_x86:movsx_dst(I)),
- [{movsx, Arg, I}];
+ Src = resolve_movx_src(hipe_x86:movsx_src(I)),
+ [{movsx, {temp_to_regArch(hipe_x86:movsx_dst(I)), Src}, I}];
#movzx{} ->
- Arg = resolve_movx_args(hipe_x86:movzx_src(I), hipe_x86:movzx_dst(I)),
- [{movzx, Arg, I}];
+ Src = resolve_movx_src(hipe_x86:movzx_src(I)),
+ [{movzx, {temp_to_reg32(hipe_x86:movzx_dst(I)), Src}, I}];
%% pseudo_call: eliminated before assembly
%% pseudo_jcc: eliminated before assembly
%% pseudo_tailcall: eliminated before assembly
@@ -845,16 +847,15 @@ translate_move64(I, _Context) -> exit({?MODULE, I}).
-endif.
%%% mov{s,z}x
-resolve_movx_args(Src=#x86_mem{type=Type}, Dst=#x86_temp{}) ->
- {temp_to_regArch(Dst),
- case Type of
- byte ->
- mem_to_rm8(Src);
- int16 ->
- mem_to_rm16(Src);
- int32 ->
- mem_to_rm32(Src)
- end}.
+resolve_movx_src(Src=#x86_mem{type=Type}) ->
+ case Type of
+ byte ->
+ mem_to_rm8(Src);
+ int16 ->
+ mem_to_rm16(Src);
+ int32 ->
+ mem_to_rm32(Src)
+ end.
%%% alu/cmp (_not_ test)
resolve_alu_args(Src, Dst, Context) ->
diff --git a/lib/hipe/x86/hipe_x86_postpass.erl b/lib/hipe/x86/hipe_x86_postpass.erl
index b84e9bed91..925054dd68 100644
--- a/lib/hipe/x86/hipe_x86_postpass.erl
+++ b/lib/hipe/x86/hipe_x86_postpass.erl
@@ -57,9 +57,10 @@ postpass(#defun{code=Code0}=Defun, Options) ->
peephole_optimization(Insns) ->
peep(Insns, [], []).
-%% MoveSelf related peep-opts
+
+%% MoveSelf related peep-opts
%% ------------------------------
-peep([#fmove{src=Src, dst=Src} | Insns], Res,Lst) ->
+peep([#fmove{src=Src, dst=Src} | Insns], Res,Lst) ->
peep(Insns, Res, [moveSelf1|Lst]);
peep([I=#fmove{src=Src, dst=Dst},
#fmove{src=Dst, dst=Src} | Insns], Res,Lst) ->
@@ -159,8 +160,7 @@ peep([#jcc{label=Lab}, I=#label{label=Lab}|Insns], Res, Lst) ->
%% ElimSet0
%% --------
-peep([#move{src=#x86_imm{value=0},dst=Dst}|Insns],Res,Lst)
-when (Dst==#x86_temp{}) ->
+peep([#move{src=#x86_imm{value=0},dst=Dst=#x86_temp{}}|Insns],Res,Lst) ->
peep(Insns, [#alu{aluop='xor', src=Dst, dst=Dst}|Res], [elimSet0|Lst]);
%% ElimMDPow2
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-04 03:17:35 +0000