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-rw-r--r--lib/hipe/rtl/hipe_rtl_binary_construct.erl131
1 files changed, 17 insertions, 114 deletions
diff --git a/lib/hipe/rtl/hipe_rtl_binary_construct.erl b/lib/hipe/rtl/hipe_rtl_binary_construct.erl
index 1a78320592..80436a6931 100644
--- a/lib/hipe/rtl/hipe_rtl_binary_construct.erl
+++ b/lib/hipe/rtl/hipe_rtl_binary_construct.erl
@@ -34,6 +34,10 @@
get_field_from_term/3,
set_field_from_pointer/3,
get_field_from_pointer/3]).
+
+-import(hipe_rtl_binary, [floorlog2/1,
+ get_word_integer/4,
+ make_size/4]).
%%-------------------------------------------------------------------------
-include("../main/hipe.hrl").
@@ -111,7 +115,9 @@ gen_rtl(BsOP, Dst, Args, TrueLblName, FalseLblName, SystemLimitLblName, ConstTab
put_static_binary(NewOffset, Src, Size, Base, Offset,
TrueLblName, FalseLblName);
[Src, Bits, Base, Offset] ->
- {SizeCode, SizeReg} = make_size(Size, Bits, FalseLblName),
+ {SizeCode, SizeReg} = make_size(Size, Bits,
+ SystemLimitLblName,
+ FalseLblName),
InCode = put_dynamic_binary(NewOffset, Src, SizeReg, Base,
Offset, TrueLblName, FalseLblName),
SizeCode ++ InCode
@@ -133,7 +139,9 @@ gen_rtl(BsOP, Dst, Args, TrueLblName, FalseLblName, SystemLimitLblName, ConstTab
put_float(NewOffset, Src, Base, Offset, Size, CCode, Aligned,
LittleEndian, ConstInfo, TrueLblName);
[Src, Bits, Base, Offset] ->
- {SizeCode, SizeReg} = make_size(Size, Bits, FalseLblName),
+ {SizeCode, SizeReg} = make_size(Size, Bits,
+ SystemLimitLblName,
+ FalseLblName),
InCode = float_c_code(NewOffset, Src, Base, Offset, SizeReg,
Flags, TrueLblName, FalseLblName),
SizeCode ++ InCode
@@ -162,6 +170,7 @@ gen_rtl(BsOP, Dst, Args, TrueLblName, FalseLblName, SystemLimitLblName, ConstTab
CCode, Aligned, LittleEndian, TrueLblName);
[Src, Bits, Base, Offset] ->
{SizeCode, SizeReg} = make_size(Size, Bits,
+ SystemLimitLblName,
FalseLblName),
CCode = int_c_code(NewOffset, Src, Base,
Offset, SizeReg, Flags,
@@ -210,6 +219,7 @@ gen_rtl(BsOP, Dst, Args, TrueLblName, FalseLblName, SystemLimitLblName, ConstTab
TrueLblName);
[Src, Bits, Base, Offset] ->
{SizeCode, SizeReg} = make_size(Size, Bits,
+ SystemLimitLblName,
FalseLblName),
CCode = int_c_code(NewOffset, Src, Base,
Offset, SizeReg, Flags,
@@ -294,7 +304,7 @@ gen_rtl(BsOP, Dst, Args, TrueLblName, FalseLblName, SystemLimitLblName, ConstTab
[SizeReg] = create_regs(1),
[Base] = create_unsafe_regs(1),
[hipe_rtl:mk_gctest(?PROC_BIN_WORDSIZE + ?SUB_BIN_WORDSIZE),
- check_and_untag_fixnum(Size, SizeReg, FalseLblName),
+ get_word_integer(Size, SizeReg, SystemLimitLblName, FalseLblName),
allocate_writable(DstVar, Base, SizeReg, Zero, Zero),
hipe_rtl:mk_goto(TrueLblName)];
@@ -306,7 +316,7 @@ gen_rtl(BsOP, Dst, Args, TrueLblName, FalseLblName, SystemLimitLblName, ConstTab
SubBinSize = {sub_binary, binsize},
[get_field_from_term({sub_binary, orig}, Bin, ProcBin),
get_field_from_term(SubBinSize, Bin, SubSize),
- check_and_untag_fixnum(Size, SizeReg, FalseLblName),
+ get_word_integer(Size, SizeReg, SystemLimitLblName, FalseLblName),
realloc_binary(SizeReg, ProcBin, Base),
calculate_sizes(Bin, SizeReg, Offset, EndSubSize, EndSubBitSize),
set_field_from_term(SubBinSize, Bin, EndSubSize),
@@ -328,7 +338,7 @@ gen_rtl(BsOP, Dst, Args, TrueLblName, FalseLblName, SystemLimitLblName, ConstTab
Zero = hipe_rtl:mk_imm(0),
SubIsWritable = {sub_binary, is_writable},
[hipe_rtl:mk_gctest(?SUB_BIN_WORDSIZE + ?PROC_BIN_WORDSIZE),
- check_and_untag_fixnum(Size, SizeReg, FalseLblName),
+ get_word_integer(Size, SizeReg, SystemLimitLblName, FalseLblName),
hipe_tagscheme:test_bitstr(Bin, ContLblName, FalseLblName, 0.99),
ContLbl,
hipe_tagscheme:test_subbinary(Bin,ContLbl2Name, NotWritable),
@@ -401,16 +411,6 @@ allocate_writable(Dst, Base, UsedBytes, TotBytes, TotSize) ->
hipe_tagscheme:mk_sub_binary(Dst, EndSubSize, Zero, EndSubBitSize,
Zero, hipe_rtl:mk_imm(1), ProcBin)].
-check_and_untag_fixnum(Size, SizeReg, FalseLblName) ->
- [ContLbl,NextLbl] = Lbls = create_lbls(2),
- [ContLblName,NextLblName] = get_label_names(Lbls),
- [hipe_tagscheme:test_fixnum(Size, ContLblName, FalseLblName, 0.99),
- ContLbl,
- hipe_tagscheme:untag_fixnum(SizeReg,Size),
- hipe_rtl:mk_branch(SizeReg, ge, hipe_rtl:mk_imm(0), NextLblName,
- FalseLblName),
- NextLbl].
-
realloc_binary(SizeReg, ProcBin, Base) ->
[NoReallocLbl, ReallocLbl, NextLbl, ContLbl] = Lbls = create_lbls(4),
[NoReallocLblName, ReallocLblName, NextLblName, ContLblName] =
@@ -673,7 +673,7 @@ var_init2(Size, Dst, Base, Offset, TrueLblName, SystemLimitLblName, FalseLblName
WordSize = hipe_rtl_arch:word_size(),
[ContLbl,HeapLbl,REFCLbl,NextLbl] = create_lbls(4),
[USize,Tmp] = create_unsafe_regs(2),
- [get_32_bit_value(Size, USize, SystemLimitLblName, FalseLblName),
+ [get_word_integer(Size, USize, SystemLimitLblName, FalseLblName),
hipe_rtl:mk_branch(USize, le, hipe_rtl:mk_imm(?MAX_BINSIZE),
hipe_rtl:label_name(ContLbl),
SystemLimitLblName),
@@ -709,7 +709,7 @@ var_init_bits(Size, Dst, Base, Offset, TrueLblName, SystemLimitLblName, FalseLbl
?PROC_BIN_WORDSIZE) + ?SUB_BIN_WORDSIZE,
Zero = hipe_rtl:mk_imm(0),
[hipe_rtl:mk_gctest(MaximumWords),
- get_32_bit_value(Size, USize, SystemLimitLblName, FalseLblName),
+ get_word_integer(Size, USize, SystemLimitLblName, FalseLblName),
hipe_rtl:mk_alu(ByteSize, USize, srl, ?BYTE_SHIFT),
hipe_rtl:mk_alub(OffsetBits, USize, 'and', ?LOW_BITS, eq,
hipe_rtl:label_name(NoSubLbl),
@@ -1286,103 +1286,6 @@ copy_float_big(Base, Offset, NewOffset, Src, FalseLblName, TrueLblName, var) ->
hipe_tagscheme:test_flonum(Src, hipe_rtl:label_name(SuccessLbl), FalseLblName, 0.99) ++
[SuccessLbl|copy_float_big(Base, Offset, NewOffset, Src, FalseLblName, TrueLblName, pass)].
-make_size(1, BitsVar, FalseLblName) ->
- [DstReg] = create_regs(1),
- {first_part(BitsVar, DstReg, FalseLblName), DstReg};
-make_size(?BYTE_SIZE, BitsVar, FalseLblName) ->
- [DstReg] = create_regs(1),
- Code =
- first_part(BitsVar, DstReg, FalseLblName) ++
- [hipe_rtl:mk_alu(DstReg, DstReg, 'sll', ?BYTE_SHIFT)],
- {Code, DstReg};
-make_size(UnitImm, BitsVar, FalseLblName) ->
- [DstReg] = create_regs(1),
- UnitList = number2list(UnitImm),
- Code = multiply_code(UnitList, BitsVar, DstReg, FalseLblName),
- {Code, DstReg}.
-
-multiply_code(List=[Head|_Tail], Variable, Result, FalseLblName) ->
- Test = set_high(Head),
- Tmp1 = hipe_rtl:mk_new_reg(),
- SuccessLbl = hipe_rtl:mk_new_label(),
- Register = hipe_rtl:mk_new_reg(),
- Code = [hipe_rtl:mk_move(Result, hipe_rtl:mk_imm(0))|
- first_part(Variable, Register, FalseLblName)]
- ++
- [hipe_rtl:mk_alub(Tmp1, Register, 'and', hipe_rtl:mk_imm(Test),
- 'eq', hipe_rtl:label_name(SuccessLbl),
- FalseLblName, 0.99),
- SuccessLbl],
- multiply_code(List, Register, Result, FalseLblName, Tmp1, Code).
-
-multiply_code([ShiftSize|Rest], Register, Result, FalseLblName, Tmp1, OldCode) ->
- SuccessLbl = hipe_rtl:mk_new_label(),
- Code = OldCode ++ [hipe_rtl:mk_alu(Tmp1, Register, 'sll',
- hipe_rtl:mk_imm(ShiftSize)),
- hipe_rtl:mk_alub(Result, Tmp1, 'add', Result, not_overflow, hipe_rtl:label_name(SuccessLbl), FalseLblName, 0.99),
- SuccessLbl],
- multiply_code(Rest, Register, Result, FalseLblName, Tmp1, Code);
-multiply_code([], _Register, _Result, _FalseLblName, _Tmp1, Code) ->
- Code.
-
-number2list(X) when is_integer(X), X >= 0 ->
- number2list(X, []).
-
-number2list(1, Acc) ->
- lists:reverse([0|Acc]);
-number2list(0, Acc) ->
- lists:reverse(Acc);
-number2list(X, Acc) ->
- F = floorlog2(X),
- number2list(X-(1 bsl F), [F|Acc]).
-
-floorlog2(X) ->
- %% Double-precision floats do not have enough precision to make floorlog2
- %% exact for integers larger than 2^47.
- Approx = round(math:log(X)/math:log(2)-0.5),
- floorlog2_refine(X, Approx).
-
-floorlog2_refine(X, Approx) ->
- if (1 bsl Approx) > X ->
- floorlog2_refine(X, Approx - 1);
- (1 bsl (Approx+1)) > X ->
- Approx;
- true ->
- floorlog2_refine(X, Approx + 1)
- end.
-
-set_high(X) ->
- set_high(X, 0).
-
-set_high(0, Y) ->
- Y;
-set_high(X, Y) ->
- set_high(X-1, Y+(1 bsl (27-X))).
-
-get_32_bit_value(Size, USize, SystemLimitLblName, NegLblName) ->
- Lbls = [FixLbl, BigLbl, OkLbl, PosBigLbl] = create_lbls(4),
- [FixLblName, BigLblName, OkLblName, PosBigLblName] = [hipe_rtl:label_name(Lbl) || Lbl <- Lbls],
- [hipe_tagscheme:test_fixnum(Size, FixLblName, BigLblName, 0.99),
- FixLbl,
- hipe_tagscheme:untag_fixnum(USize, Size),
- hipe_rtl:mk_branch(USize, ge, hipe_rtl:mk_imm(0), OkLblName, NegLblName),
- BigLbl,
- hipe_tagscheme:test_pos_bignum(Size, PosBigLblName, NegLblName, 0.99),
- PosBigLbl,
- hipe_tagscheme:get_one_word_pos_bignum(USize, Size, SystemLimitLblName),
- OkLbl].
-
-
-first_part(Var, Register, FalseLblName) ->
- [SuccessLbl1, SuccessLbl2] = create_lbls(2),
- [hipe_tagscheme:test_fixnum(Var, hipe_rtl:label_name(SuccessLbl1),
- FalseLblName, 0.99),
- SuccessLbl1,
- hipe_tagscheme:fixnum_ge(Var, hipe_rtl:mk_imm(hipe_tagscheme:mk_fixnum(0)),
- hipe_rtl:label_name(SuccessLbl2), FalseLblName, 0.99),
- SuccessLbl2,
- hipe_tagscheme:untag_fixnum(Register, Var)].
-
is_divisible(_Dividend, 1, SuccLbl, _FailLbl) ->
[hipe_rtl:mk_goto(SuccLbl)];
is_divisible(Dividend, Divisor, SuccLbl, FailLbl) ->
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-10 04:10:14 +0000