mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-11-04 12:39:38 +01:00
658 lines
30 KiB
ObjectPascal
658 lines
30 KiB
ObjectPascal
{
|
|
Copyright (c) 1998-2002 by Florian Klaempfl
|
|
|
|
Generate assembler for constant nodes which are the same for
|
|
all (most) processors
|
|
|
|
This program is free software; you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation; either version 2 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
GNU General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program; if not, write to the Free Software
|
|
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
|
|
|
|
****************************************************************************
|
|
}
|
|
unit ncgcon;
|
|
|
|
{$i fpcdefs.inc}
|
|
|
|
interface
|
|
|
|
uses
|
|
node,ncon;
|
|
|
|
type
|
|
tcgdataconstnode = class(tdataconstnode)
|
|
procedure pass_generate_code;override;
|
|
end;
|
|
|
|
tcgrealconstnode = class(trealconstnode)
|
|
procedure pass_generate_code;override;
|
|
end;
|
|
|
|
tcgordconstnode = class(tordconstnode)
|
|
procedure pass_generate_code;override;
|
|
end;
|
|
|
|
tcgpointerconstnode = class(tpointerconstnode)
|
|
procedure pass_generate_code;override;
|
|
end;
|
|
|
|
tcgstringconstnode = class(tstringconstnode)
|
|
procedure pass_generate_code;override;
|
|
end;
|
|
|
|
tcgsetconstnode = class(tsetconstnode)
|
|
procedure pass_generate_code;override;
|
|
end;
|
|
|
|
tcgnilnode = class(tnilnode)
|
|
procedure pass_generate_code;override;
|
|
end;
|
|
|
|
tcgguidconstnode = class(tguidconstnode)
|
|
procedure pass_generate_code;override;
|
|
end;
|
|
|
|
|
|
implementation
|
|
|
|
uses
|
|
globtype,widestr,systems,
|
|
verbose,globals,
|
|
symconst,symdef,aasmbase,aasmtai,aasmdata,aasmcpu,defutil,
|
|
cpuinfo,cpubase,
|
|
cgbase,cgobj,cgutils,
|
|
ncgutil
|
|
;
|
|
|
|
|
|
{*****************************************************************************
|
|
TCGREALCONSTNODE
|
|
*****************************************************************************}
|
|
|
|
procedure tcgdataconstnode.pass_generate_code;
|
|
var
|
|
l : tasmlabel;
|
|
i : longint;
|
|
b : byte;
|
|
begin
|
|
location_reset(location,LOC_CREFERENCE,OS_NO);
|
|
current_asmdata.getdatalabel(l);
|
|
maybe_new_object_file(current_asmdata.asmlists[al_typedconsts]);
|
|
new_section(current_asmdata.asmlists[al_typedconsts],sec_rodata,l.name,const_align(maxalign));
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_label.Create(l));
|
|
data.seek(0);
|
|
for i:=0 to data.size-1 do
|
|
begin
|
|
data.read(b,1);
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_8bit(b));
|
|
end;
|
|
location.reference.symbol:=l;
|
|
end;
|
|
|
|
{*****************************************************************************
|
|
TCGREALCONSTNODE
|
|
*****************************************************************************}
|
|
|
|
procedure tcgrealconstnode.pass_generate_code;
|
|
{ I suppose the parser/pass_1 must make sure the generated real }
|
|
{ constants are actually supported by the target processor? (JM) }
|
|
const
|
|
floattype2ait:array[tfloattype] of taitype=
|
|
(ait_real_32bit,ait_real_64bit,ait_real_80bit,ait_comp_64bit,ait_comp_64bit,ait_real_128bit);
|
|
var
|
|
hp1 : tai;
|
|
lastlabel : tasmlabel;
|
|
realait : taitype;
|
|
{$ifdef ARM}
|
|
hiloswapped : boolean;
|
|
{$endif ARM}
|
|
|
|
begin
|
|
location_reset(location,LOC_CREFERENCE,def_cgsize(resultdef));
|
|
lastlabel:=nil;
|
|
realait:=floattype2ait[tfloatdef(resultdef).floattype];
|
|
{$ifdef ARM}
|
|
hiloswapped:=(current_settings.fputype in [fpu_fpa,fpu_fpa10,fpu_fpa11]) and
|
|
not(cs_fp_emulation in current_settings.moduleswitches);
|
|
{$endif ARM}
|
|
{ const already used ? }
|
|
if not assigned(lab_real) then
|
|
begin
|
|
{ tries to find an old entry }
|
|
hp1:=tai(current_asmdata.asmlists[al_typedconsts].first);
|
|
while assigned(hp1) do
|
|
begin
|
|
if hp1.typ=ait_label then
|
|
lastlabel:=tai_label(hp1).labsym
|
|
else
|
|
begin
|
|
if (hp1.typ=realait) and (lastlabel<>nil) then
|
|
begin
|
|
if is_number_float(value_real) and
|
|
(
|
|
((realait=ait_real_32bit) and (tai_real_32bit(hp1).value=value_real) and is_number_float(tai_real_32bit(hp1).value) and (get_real_sign(value_real) = get_real_sign(tai_real_32bit(hp1).value))) or
|
|
((realait=ait_real_64bit) and
|
|
{$ifdef ARM}
|
|
((tai_real_64bit(hp1).formatoptions=fo_hiloswapped)=hiloswapped) and
|
|
{$endif ARM}
|
|
(tai_real_64bit(hp1).value=value_real) and is_number_float(tai_real_64bit(hp1).value) and (get_real_sign(value_real) = get_real_sign(tai_real_64bit(hp1).value))) or
|
|
((realait=ait_real_80bit) and (tai_real_80bit(hp1).value=value_real) and is_number_float(tai_real_80bit(hp1).value) and (get_real_sign(value_real) = get_real_sign(tai_real_80bit(hp1).value))) or
|
|
{$ifdef cpufloat128}
|
|
((realait=ait_real_128bit) and (tai_real_128bit(hp1).value=value_real) and is_number_float(tai_real_128bit(hp1).value) and (get_real_sign(value_real) = get_real_sign(tai_real_128bit(hp1).value))) or
|
|
{$endif cpufloat128}
|
|
((realait=ait_comp_64bit) and (tai_comp_64bit(hp1).value=value_real) and is_number_float(tai_comp_64bit(hp1).value) and (get_real_sign(value_real) = get_real_sign(tai_comp_64bit(hp1).value)))
|
|
) then
|
|
begin
|
|
{ found! }
|
|
lab_real:=lastlabel;
|
|
break;
|
|
end;
|
|
end;
|
|
lastlabel:=nil;
|
|
end;
|
|
hp1:=tai(hp1.next);
|
|
end;
|
|
{ :-(, we must generate a new entry }
|
|
if not assigned(lab_real) then
|
|
begin
|
|
current_asmdata.getdatalabel(lastlabel);
|
|
lab_real:=lastlabel;
|
|
maybe_new_object_file(current_asmdata.asmlists[al_typedconsts]);
|
|
new_section(current_asmdata.asmlists[al_typedconsts],sec_rodata,lastlabel.name,const_align(resultdef.size));
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_label.Create(lastlabel));
|
|
case realait of
|
|
ait_real_32bit :
|
|
begin
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_real_32bit.Create(ts32real(value_real)));
|
|
{ range checking? }
|
|
if ((cs_check_range in current_settings.localswitches) or
|
|
(cs_check_overflow in current_settings.localswitches)) and
|
|
(tai_real_32bit(current_asmdata.asmlists[al_typedconsts].last).value=MathInf.Value) then
|
|
Message(parser_e_range_check_error);
|
|
end;
|
|
|
|
ait_real_64bit :
|
|
begin
|
|
{$ifdef ARM}
|
|
if hiloswapped then
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_real_64bit.Create_hiloswapped(ts64real(value_real)))
|
|
else
|
|
{$endif ARM}
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_real_64bit.Create(ts64real(value_real)));
|
|
|
|
{ range checking? }
|
|
if ((cs_check_range in current_settings.localswitches) or
|
|
(cs_check_overflow in current_settings.localswitches)) and
|
|
(tai_real_64bit(current_asmdata.asmlists[al_typedconsts].last).value=MathInf.Value) then
|
|
Message(parser_e_range_check_error);
|
|
end;
|
|
|
|
ait_real_80bit :
|
|
begin
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_real_80bit.Create(value_real));
|
|
|
|
{ range checking? }
|
|
if ((cs_check_range in current_settings.localswitches) or
|
|
(cs_check_overflow in current_settings.localswitches)) and
|
|
(tai_real_80bit(current_asmdata.asmlists[al_typedconsts].last).value=MathInf.Value) then
|
|
Message(parser_e_range_check_error);
|
|
end;
|
|
{$ifdef cpufloat128}
|
|
ait_real_128bit :
|
|
begin
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_real_128bit.Create(value_real));
|
|
|
|
{ range checking? }
|
|
if ((cs_check_range in current_settings.localswitches) or
|
|
(cs_check_overflow in current_settings.localswitches)) and
|
|
(tai_real_128bit(current_asmdata.asmlists[al_typedconsts].last).value=MathInf.Value) then
|
|
Message(parser_e_range_check_error);
|
|
end;
|
|
{$endif cpufloat128}
|
|
|
|
{ the round is necessary for native compilers where comp isn't a float }
|
|
ait_comp_64bit :
|
|
if (value_real>9223372036854775807.0) or (value_real<-9223372036854775808.0) then
|
|
message(parser_e_range_check_error)
|
|
else
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_comp_64bit.Create(round(value_real)));
|
|
else
|
|
internalerror(10120);
|
|
end;
|
|
end;
|
|
end;
|
|
location.reference.symbol:=lab_real;
|
|
end;
|
|
|
|
{*****************************************************************************
|
|
TCGORDCONSTNODE
|
|
*****************************************************************************}
|
|
|
|
procedure tcgordconstnode.pass_generate_code;
|
|
begin
|
|
location_reset(location,LOC_CONSTANT,def_cgsize(resultdef));
|
|
{$ifdef cpu64bit}
|
|
location.value:=value;
|
|
{$else cpu64bit}
|
|
location.value64:=int64(value);
|
|
{$endif cpu64bit}
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
TCGPOINTERCONSTNODE
|
|
*****************************************************************************}
|
|
|
|
procedure tcgpointerconstnode.pass_generate_code;
|
|
begin
|
|
{ an integer const. behaves as a memory reference }
|
|
location_reset(location,LOC_CONSTANT,OS_ADDR);
|
|
location.value:=aint(value);
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
TCGSTRINGCONSTNODE
|
|
*****************************************************************************}
|
|
|
|
procedure tcgstringconstnode.pass_generate_code;
|
|
var
|
|
hp1,hp2 : tai;
|
|
l1,l2,
|
|
lastlabel : tasmlabel;
|
|
lastlabelhp : tai;
|
|
pc : pchar;
|
|
same_string : boolean;
|
|
l,j,
|
|
i,mylength : longint;
|
|
begin
|
|
{ for empty ansistrings we could return a constant 0 }
|
|
if (cst_type in [cst_ansistring,cst_widestring]) and (len=0) then
|
|
begin
|
|
location_reset(location,LOC_CONSTANT,OS_ADDR);
|
|
location.value:=0;
|
|
exit;
|
|
end;
|
|
{ return a constant reference in memory }
|
|
location_reset(location,LOC_CREFERENCE,def_cgsize(resultdef));
|
|
{ const already used ? }
|
|
lastlabel:=nil;
|
|
lastlabelhp:=nil;
|
|
if not assigned(lab_str) then
|
|
begin
|
|
if is_shortstring(resultdef) then
|
|
mylength:=len+2
|
|
else
|
|
mylength:=len+1;
|
|
{ widestrings can't be reused yet }
|
|
if not(is_widestring(resultdef)) then
|
|
begin
|
|
{ tries to find an old entry }
|
|
hp1:=tai(current_asmdata.asmlists[al_typedconsts].first);
|
|
while assigned(hp1) do
|
|
begin
|
|
if hp1.typ=ait_label then
|
|
begin
|
|
lastlabel:=tai_label(hp1).labsym;
|
|
lastlabelhp:=hp1;
|
|
end
|
|
else
|
|
begin
|
|
same_string:=false;
|
|
if (hp1.typ=ait_string) and
|
|
(lastlabel<>nil) and
|
|
(tai_string(hp1).len=mylength) then
|
|
begin
|
|
case cst_type of
|
|
cst_conststring:
|
|
begin
|
|
j:=0;
|
|
same_string:=true;
|
|
if len>0 then
|
|
begin
|
|
for i:=0 to len-1 do
|
|
begin
|
|
if tai_string(hp1).str[j]<>value_str[i] then
|
|
begin
|
|
same_string:=false;
|
|
break;
|
|
end;
|
|
inc(j);
|
|
end;
|
|
end;
|
|
end;
|
|
cst_shortstring:
|
|
begin
|
|
{ if shortstring then check the length byte first and
|
|
set the start index to 1 }
|
|
if len=ord(tai_string(hp1).str[0]) then
|
|
begin
|
|
j:=1;
|
|
same_string:=true;
|
|
if len>0 then
|
|
begin
|
|
for i:=0 to len-1 do
|
|
begin
|
|
if tai_string(hp1).str[j]<>value_str[i] then
|
|
begin
|
|
same_string:=false;
|
|
break;
|
|
end;
|
|
inc(j);
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
cst_ansistring,
|
|
cst_widestring :
|
|
begin
|
|
{ before the string the following sequence must be found:
|
|
<label>
|
|
constsymbol <datalabel>
|
|
constint -1
|
|
constint <len>
|
|
we must then return <label> to reuse
|
|
}
|
|
hp2:=tai(lastlabelhp.previous);
|
|
if assigned(hp2) and
|
|
(hp2.typ=ait_const) and
|
|
(tai_const(hp2).consttype=aitconst_aint) and
|
|
(tai_const(hp2).value=len) and
|
|
assigned(hp2.previous) and
|
|
(tai(hp2.previous).typ=ait_const) and
|
|
(tai_const(hp2.previous).consttype=aitconst_aint) and
|
|
(tai_const(hp2.previous).value=-1) and
|
|
assigned(hp2.previous.previous) and
|
|
(tai(hp2.previous.previous).typ=ait_const) and
|
|
(tai_const(hp2.previous.previous).consttype=aitconst_ptr) and
|
|
assigned(hp2.previous.previous.previous) and
|
|
(tai(hp2.previous.previous.previous).typ=ait_label) then
|
|
begin
|
|
lastlabel:=tai_label(hp2.previous.previous.previous).labsym;
|
|
same_string:=true;
|
|
j:=0;
|
|
if len>0 then
|
|
begin
|
|
for i:=0 to len-1 do
|
|
begin
|
|
if tai_string(hp1).str[j]<>value_str[i] then
|
|
begin
|
|
same_string:=false;
|
|
break;
|
|
end;
|
|
inc(j);
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
{ found ? }
|
|
if same_string then
|
|
begin
|
|
lab_str:=lastlabel;
|
|
break;
|
|
end;
|
|
end;
|
|
lastlabel:=nil;
|
|
end;
|
|
hp1:=tai(hp1.next);
|
|
end;
|
|
end;
|
|
{ :-(, we must generate a new entry }
|
|
if not assigned(lab_str) then
|
|
begin
|
|
current_asmdata.getdatalabel(lastlabel);
|
|
lab_str:=lastlabel;
|
|
maybe_new_object_file(current_asmdata.asmlists[al_typedconsts]);
|
|
new_section(current_asmdata.asmlists[al_typedconsts],sec_rodata,lastlabel.name,const_align(sizeof(aint)));
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_label.Create(lastlabel));
|
|
{ generate an ansi string ? }
|
|
case cst_type of
|
|
cst_ansistring:
|
|
begin
|
|
{ an empty ansi string is nil! }
|
|
if len=0 then
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_sym(nil))
|
|
else
|
|
begin
|
|
current_asmdata.getdatalabel(l1);
|
|
current_asmdata.getdatalabel(l2);
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_label.Create(l2));
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_sym(l1));
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_aint(-1));
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_aint(len));
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_label.Create(l1));
|
|
{ include also terminating zero }
|
|
getmem(pc,len+1);
|
|
move(value_str^,pc^,len);
|
|
pc[len]:=#0;
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_string.Create_pchar(pc,len+1));
|
|
{ return the offset of the real string }
|
|
lab_str:=l2;
|
|
end;
|
|
end;
|
|
cst_widestring:
|
|
begin
|
|
{ an empty wide string is nil! }
|
|
if len=0 then
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_sym(nil))
|
|
else
|
|
begin
|
|
current_asmdata.getdatalabel(l1);
|
|
current_asmdata.getdatalabel(l2);
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_label.Create(l2));
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_sym(l1));
|
|
|
|
{ we use always UTF-16 coding for constants }
|
|
{ at least for now }
|
|
{ Consts.concat(Tai_const.Create_8bit(2)); }
|
|
if tf_winlikewidestring in target_info.flags then
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_32bit(len*cwidechartype.size))
|
|
else
|
|
begin
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_aint(-1));
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_aint(len*cwidechartype.size));
|
|
end;
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_label.Create(l1));
|
|
for i:=0 to len-1 do
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_16bit(pcompilerwidestring(value_str)^.data[i]));
|
|
{ terminating zero }
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_16bit(0));
|
|
{ return the offset of the real string }
|
|
lab_str:=l2;
|
|
end;
|
|
end;
|
|
cst_shortstring:
|
|
begin
|
|
{ truncate strings larger than 255 chars }
|
|
if len>255 then
|
|
l:=255
|
|
else
|
|
l:=len;
|
|
{ include length and terminating zero for quick conversion to pchar }
|
|
getmem(pc,l+2);
|
|
move(value_str^,pc[1],l);
|
|
pc[0]:=chr(l);
|
|
pc[l+1]:=#0;
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_string.Create_pchar(pc,l+2));
|
|
end;
|
|
cst_conststring:
|
|
begin
|
|
{ include terminating zero }
|
|
getmem(pc,len+1);
|
|
move(value_str^,pc[0],len);
|
|
pc[len]:=#0;
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_string.Create_pchar(pc,len+1));
|
|
end;
|
|
end;
|
|
end;
|
|
end;
|
|
location.reference.symbol:=lab_str;
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
TCGSETCONSTNODE
|
|
*****************************************************************************}
|
|
|
|
procedure tcgsetconstnode.pass_generate_code;
|
|
var
|
|
hp1 : tai;
|
|
lastlabel : tasmlabel;
|
|
i : longint;
|
|
neededtyp : taiconst_type;
|
|
indexadjust : longint;
|
|
type
|
|
setbytes=array[0..31] of byte;
|
|
Psetbytes=^setbytes;
|
|
begin
|
|
{ xor indexadjust with indexes in a set typecasted to an array of }
|
|
{ bytes to get the correct locations, also when endianess of source }
|
|
{ and destiantion differs (JM) }
|
|
if (source_info.endian = target_info.endian) then
|
|
indexadjust := 0
|
|
else
|
|
indexadjust := 3;
|
|
{ small sets are loaded as constants }
|
|
if tsetdef(resultdef).settype=smallset then
|
|
begin
|
|
location_reset(location,LOC_CONSTANT,OS_32);
|
|
location.value:=pLongint(value_set)^;
|
|
exit;
|
|
end;
|
|
location_reset(location,LOC_CREFERENCE,OS_NO);
|
|
neededtyp:=aitconst_8bit;
|
|
lastlabel:=nil;
|
|
{ const already used ? }
|
|
if not assigned(lab_set) then
|
|
begin
|
|
{ tries to found an old entry }
|
|
hp1:=tai(current_asmdata.asmlists[al_typedconsts].first);
|
|
while assigned(hp1) do
|
|
begin
|
|
if hp1.typ=ait_label then
|
|
lastlabel:=tai_label(hp1).labsym
|
|
else
|
|
begin
|
|
if (lastlabel<>nil) and
|
|
(hp1.typ=ait_const) and
|
|
(tai_const(hp1).consttype=neededtyp) then
|
|
begin
|
|
if (tai_const(hp1).consttype=aitconst_8bit) then
|
|
begin
|
|
{ compare normal set }
|
|
i:=0;
|
|
while assigned(hp1) and (i<32) do
|
|
begin
|
|
if tai_const(hp1).value<>Psetbytes(value_set)^[i xor indexadjust] then
|
|
break;
|
|
inc(i);
|
|
hp1:=tai(hp1.next);
|
|
end;
|
|
if i=32 then
|
|
begin
|
|
{ found! }
|
|
lab_set:=lastlabel;
|
|
break;
|
|
end;
|
|
{ leave when the end of consts is reached, so no
|
|
hp1.next is done }
|
|
if not assigned(hp1) then
|
|
break;
|
|
end
|
|
else
|
|
begin
|
|
{ compare small set }
|
|
if paint(value_set)^=tai_const(hp1).value then
|
|
begin
|
|
{ found! }
|
|
lab_set:=lastlabel;
|
|
break;
|
|
end;
|
|
end;
|
|
end;
|
|
lastlabel:=nil;
|
|
end;
|
|
hp1:=tai(hp1.next);
|
|
end;
|
|
{ :-(, we must generate a new entry }
|
|
if not assigned(lab_set) then
|
|
begin
|
|
current_asmdata.getdatalabel(lastlabel);
|
|
lab_set:=lastlabel;
|
|
maybe_new_object_file(current_asmdata.asmlists[al_typedconsts]);
|
|
new_section(current_asmdata.asmlists[al_typedconsts],sec_rodata,lastlabel.name,const_align(sizeof(aint)));
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_label.Create(lastlabel));
|
|
{ already handled at the start of this method?? (JM)
|
|
if tsetdef(resultdef).settype=smallset then
|
|
begin
|
|
move(value_set^,i,sizeof(longint));
|
|
Consts.concat(Tai_const.Create_32bit(i));
|
|
end
|
|
else
|
|
}
|
|
begin
|
|
for i:=0 to 31 do
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_8bit(Psetbytes(value_set)^[i xor indexadjust]));
|
|
end;
|
|
end;
|
|
end;
|
|
location.reference.symbol:=lab_set;
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
TCGNILNODE
|
|
*****************************************************************************}
|
|
|
|
procedure tcgnilnode.pass_generate_code;
|
|
begin
|
|
location_reset(location,LOC_CONSTANT,OS_ADDR);
|
|
location.value:=0;
|
|
end;
|
|
|
|
|
|
{*****************************************************************************
|
|
TCGPOINTERCONSTNODE
|
|
*****************************************************************************}
|
|
|
|
procedure tcgguidconstnode.pass_generate_code;
|
|
var
|
|
tmplabel : TAsmLabel;
|
|
i : integer;
|
|
begin
|
|
location_reset(location,LOC_CREFERENCE,OS_NO);
|
|
{ label for GUID }
|
|
current_asmdata.getdatalabel(tmplabel);
|
|
current_asmdata.asmlists[al_typedconsts].concat(tai_align.create(const_align(16)));
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_label.Create(tmplabel));
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_32bit(longint(value.D1)));
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_16bit(value.D2));
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_16bit(value.D3));
|
|
for i:=low(value.D4) to high(value.D4) do
|
|
current_asmdata.asmlists[al_typedconsts].concat(Tai_const.Create_8bit(value.D4[i]));
|
|
location.reference.symbol:=tmplabel;
|
|
end;
|
|
|
|
|
|
begin
|
|
cdataconstnode:=tcgdataconstnode;
|
|
crealconstnode:=tcgrealconstnode;
|
|
cordconstnode:=tcgordconstnode;
|
|
cpointerconstnode:=tcgpointerconstnode;
|
|
cstringconstnode:=tcgstringconstnode;
|
|
csetconstnode:=tcgsetconstnode;
|
|
cnilnode:=tcgnilnode;
|
|
cguidconstnode:=tcgguidconstnode;
|
|
end.
|