diff options
Diffstat (limited to 'lib/hipe')
-rw-r--r-- | lib/hipe/rtl/hipe_rtl_binary_construct.erl | 170 |
1 files changed, 47 insertions, 123 deletions
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)], |