mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-04-26 14:53:42 +02:00
1419 lines
55 KiB
ObjectPascal
1419 lines
55 KiB
ObjectPascal
{
|
|
$Id$
|
|
Copyright (c) 1998-2000 by Florian Klaempfl
|
|
|
|
Type checking and register allocation for add node
|
|
|
|
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 tcadd;
|
|
interface
|
|
|
|
uses
|
|
tree;
|
|
|
|
procedure firstadd(var p : ptree);
|
|
function isbinaryoverloaded(var p : ptree) : boolean;
|
|
|
|
|
|
implementation
|
|
|
|
uses
|
|
globtype,systems,tokens,
|
|
cobjects,verbose,globals,
|
|
symconst,symtable,aasm,types,
|
|
{$ifdef newcg}
|
|
cgbase,
|
|
{$else newcg}
|
|
hcodegen,
|
|
{$endif newcg}
|
|
htypechk,pass_1,
|
|
cpubase,tccnv
|
|
;
|
|
|
|
function isbinaryoverloaded(var p : ptree) : boolean;
|
|
|
|
var
|
|
rd,ld : pdef;
|
|
t : ptree;
|
|
optoken : ttoken;
|
|
|
|
begin
|
|
isbinaryoverloaded:=false;
|
|
{ overloaded operator ? }
|
|
{ load easier access variables }
|
|
rd:=p^.right^.resulttype;
|
|
ld:=p^.left^.resulttype;
|
|
if (p^.treetype=starstarn) or
|
|
(ld^.deftype=recorddef) or
|
|
(rd^.deftype=recorddef) or
|
|
{ array def, but not mmx or chararray+char }
|
|
((ld^.deftype=arraydef) and
|
|
not((cs_mmx in aktlocalswitches) and
|
|
is_mmx_able_array(ld)) and
|
|
not(is_char(rd) and
|
|
is_chararray(ld))
|
|
) or
|
|
((rd^.deftype=arraydef) and
|
|
not((cs_mmx in aktlocalswitches) and
|
|
is_mmx_able_array(rd)) and
|
|
not(is_char(ld) and
|
|
is_chararray(rd))
|
|
) or
|
|
{ <> and = are defined for classes }
|
|
((ld^.deftype=objectdef) and
|
|
(not(pobjectdef(ld)^.is_class) or
|
|
not(p^.treetype in [equaln,unequaln])
|
|
)
|
|
) or
|
|
((rd^.deftype=objectdef) and
|
|
(not(pobjectdef(rd)^.is_class) or
|
|
not(p^.treetype in [equaln,unequaln])
|
|
)
|
|
) then
|
|
begin
|
|
isbinaryoverloaded:=true;
|
|
{!!!!!!!!! handle paras }
|
|
case p^.treetype of
|
|
{ the nil as symtable signs firstcalln that this is
|
|
an overloaded operator }
|
|
addn:
|
|
optoken:=_PLUS;
|
|
subn:
|
|
optoken:=_MINUS;
|
|
muln:
|
|
optoken:=_STAR;
|
|
starstarn:
|
|
optoken:=_STARSTAR;
|
|
slashn:
|
|
optoken:=_SLASH;
|
|
ltn:
|
|
optoken:=tokens._lt;
|
|
gtn:
|
|
optoken:=tokens._gt;
|
|
lten:
|
|
optoken:=_lte;
|
|
gten:
|
|
optoken:=_gte;
|
|
equaln,unequaln :
|
|
optoken:=_EQUAL;
|
|
symdifn :
|
|
optoken:=_SYMDIF;
|
|
modn :
|
|
optoken:=_OP_MOD;
|
|
orn :
|
|
optoken:=_OP_OR;
|
|
xorn :
|
|
optoken:=_OP_XOR;
|
|
andn :
|
|
optoken:=_OP_AND;
|
|
divn :
|
|
optoken:=_OP_DIV;
|
|
shln :
|
|
optoken:=_OP_SHL;
|
|
shrn :
|
|
optoken:=_OP_SHR;
|
|
else
|
|
exit;
|
|
end;
|
|
t:=gencallnode(overloaded_operators[optoken],nil);
|
|
{ we have to convert p^.left and p^.right into
|
|
callparanodes }
|
|
if t^.symtableprocentry=nil then
|
|
begin
|
|
CGMessage(parser_e_operator_not_overloaded);
|
|
putnode(t);
|
|
end
|
|
else
|
|
begin
|
|
inc(t^.symtableprocentry^.refs);
|
|
t^.left:=gencallparanode(p^.left,nil);
|
|
t^.left:=gencallparanode(p^.right,t^.left);
|
|
if p^.treetype=unequaln then
|
|
t:=gensinglenode(notn,t);
|
|
firstpass(t);
|
|
putnode(p);
|
|
p:=t;
|
|
end;
|
|
end;
|
|
end;
|
|
|
|
{*****************************************************************************
|
|
FirstAdd
|
|
*****************************************************************************}
|
|
|
|
{$ifdef fpc}
|
|
{$maxfpuregisters 0}
|
|
{$endif fpc}
|
|
|
|
procedure firstadd(var p : ptree);
|
|
|
|
procedure make_bool_equal_size(var p:ptree);
|
|
begin
|
|
if porddef(p^.left^.resulttype)^.typ>porddef(p^.right^.resulttype)^.typ then
|
|
begin
|
|
p^.right:=gentypeconvnode(p^.right,porddef(p^.left^.resulttype));
|
|
p^.right^.convtyp:=tc_bool_2_int;
|
|
p^.right^.explizit:=true;
|
|
firstpass(p^.right);
|
|
end
|
|
else
|
|
if porddef(p^.left^.resulttype)^.typ<porddef(p^.right^.resulttype)^.typ then
|
|
begin
|
|
p^.left:=gentypeconvnode(p^.left,porddef(p^.right^.resulttype));
|
|
p^.left^.convtyp:=tc_bool_2_int;
|
|
p^.left^.explizit:=true;
|
|
firstpass(p^.left);
|
|
end;
|
|
end;
|
|
|
|
var
|
|
t,hp : ptree;
|
|
ot,
|
|
lt,rt : ttreetyp;
|
|
rv,lv : longint;
|
|
rvd,lvd : bestreal;
|
|
resdef,
|
|
rd,ld : pdef;
|
|
tempdef : pdef;
|
|
concatstrings : boolean;
|
|
|
|
{ to evalute const sets }
|
|
resultset : pconstset;
|
|
i : longint;
|
|
b : boolean;
|
|
convdone : boolean;
|
|
s1,s2 : pchar;
|
|
l1,l2 : longint;
|
|
|
|
begin
|
|
{ first do the two subtrees }
|
|
firstpass(p^.left);
|
|
firstpass(p^.right);
|
|
if codegenerror then
|
|
exit;
|
|
|
|
{ convert array constructors to sets, because there is no other operator
|
|
possible for array constructors }
|
|
if is_array_constructor(p^.left^.resulttype) then
|
|
arrayconstructor_to_set(p^.left);
|
|
if is_array_constructor(p^.right^.resulttype) then
|
|
arrayconstructor_to_set(p^.right);
|
|
|
|
{ both left and right need to be valid }
|
|
set_varstate(p^.left,true);
|
|
set_varstate(p^.right,true);
|
|
|
|
{ load easier access variables }
|
|
lt:=p^.left^.treetype;
|
|
rt:=p^.right^.treetype;
|
|
rd:=p^.right^.resulttype;
|
|
ld:=p^.left^.resulttype;
|
|
convdone:=false;
|
|
|
|
if isbinaryoverloaded(p) then
|
|
exit;
|
|
{ compact consts }
|
|
|
|
{ convert int consts to real consts, if the }
|
|
{ other operand is a real const }
|
|
if (rt=realconstn) and is_constintnode(p^.left) then
|
|
begin
|
|
t:=genrealconstnode(p^.left^.value,p^.right^.resulttype);
|
|
disposetree(p^.left);
|
|
p^.left:=t;
|
|
lt:=realconstn;
|
|
end;
|
|
if (lt=realconstn) and is_constintnode(p^.right) then
|
|
begin
|
|
t:=genrealconstnode(p^.right^.value,p^.left^.resulttype);
|
|
disposetree(p^.right);
|
|
p^.right:=t;
|
|
rt:=realconstn;
|
|
end;
|
|
|
|
{ both are int constants, also allow operations on two equal enums
|
|
in fpc mode (Needed for conversion of C code) }
|
|
if ((lt=ordconstn) and (rt=ordconstn)) and
|
|
((is_constintnode(p^.left) and is_constintnode(p^.right)) or
|
|
(is_constboolnode(p^.left) and is_constboolnode(p^.right) and
|
|
(p^.treetype in [ltn,lten,gtn,gten,equaln,unequaln,andn,xorn,orn]))) then
|
|
begin
|
|
{ return a boolean for boolean operations (and,xor,or) }
|
|
if is_constboolnode(p^.left) then
|
|
resdef:=booldef
|
|
else
|
|
resdef:=s32bitdef;
|
|
lv:=p^.left^.value;
|
|
rv:=p^.right^.value;
|
|
case p^.treetype of
|
|
addn : t:=genordinalconstnode(lv+rv,resdef);
|
|
subn : t:=genordinalconstnode(lv-rv,resdef);
|
|
muln : t:=genordinalconstnode(lv*rv,resdef);
|
|
xorn : t:=genordinalconstnode(lv xor rv,resdef);
|
|
orn : t:=genordinalconstnode(lv or rv,resdef);
|
|
andn : t:=genordinalconstnode(lv and rv,resdef);
|
|
ltn : t:=genordinalconstnode(ord(lv<rv),booldef);
|
|
lten : t:=genordinalconstnode(ord(lv<=rv),booldef);
|
|
gtn : t:=genordinalconstnode(ord(lv>rv),booldef);
|
|
gten : t:=genordinalconstnode(ord(lv>=rv),booldef);
|
|
equaln : t:=genordinalconstnode(ord(lv=rv),booldef);
|
|
unequaln : t:=genordinalconstnode(ord(lv<>rv),booldef);
|
|
slashn : begin
|
|
{ int/int becomes a real }
|
|
if int(rv)=0 then
|
|
begin
|
|
Message(parser_e_invalid_float_operation);
|
|
t:=genrealconstnode(0,bestrealdef^);
|
|
end
|
|
else
|
|
t:=genrealconstnode(int(lv)/int(rv),bestrealdef^);
|
|
firstpass(t);
|
|
end;
|
|
else
|
|
CGMessage(type_e_mismatch);
|
|
end;
|
|
disposetree(p);
|
|
firstpass(t);
|
|
p:=t;
|
|
exit;
|
|
end;
|
|
|
|
{ both real constants ? }
|
|
if (lt=realconstn) and (rt=realconstn) then
|
|
begin
|
|
lvd:=p^.left^.value_real;
|
|
rvd:=p^.right^.value_real;
|
|
case p^.treetype of
|
|
addn : t:=genrealconstnode(lvd+rvd,bestrealdef^);
|
|
subn : t:=genrealconstnode(lvd-rvd,bestrealdef^);
|
|
muln : t:=genrealconstnode(lvd*rvd,bestrealdef^);
|
|
starstarn,
|
|
caretn : begin
|
|
if lvd<0 then
|
|
begin
|
|
Message(parser_e_invalid_float_operation);
|
|
t:=genrealconstnode(0,bestrealdef^);
|
|
end
|
|
else if lvd=0 then
|
|
t:=genrealconstnode(1.0,bestrealdef^)
|
|
else
|
|
t:=genrealconstnode(exp(ln(lvd)*rvd),bestrealdef^);
|
|
end;
|
|
slashn :
|
|
begin
|
|
if rvd=0 then
|
|
begin
|
|
Message(parser_e_invalid_float_operation);
|
|
t:=genrealconstnode(0,bestrealdef^);
|
|
end
|
|
else
|
|
t:=genrealconstnode(lvd/rvd,bestrealdef^);
|
|
end;
|
|
ltn : t:=genordinalconstnode(ord(lvd<rvd),booldef);
|
|
lten : t:=genordinalconstnode(ord(lvd<=rvd),booldef);
|
|
gtn : t:=genordinalconstnode(ord(lvd>rvd),booldef);
|
|
gten : t:=genordinalconstnode(ord(lvd>=rvd),booldef);
|
|
equaln : t:=genordinalconstnode(ord(lvd=rvd),booldef);
|
|
unequaln : t:=genordinalconstnode(ord(lvd<>rvd),booldef);
|
|
else
|
|
CGMessage(type_e_mismatch);
|
|
end;
|
|
disposetree(p);
|
|
p:=t;
|
|
firstpass(p);
|
|
exit;
|
|
end;
|
|
|
|
{ concating strings ? }
|
|
concatstrings:=false;
|
|
s1:=nil;
|
|
s2:=nil;
|
|
if (lt=ordconstn) and (rt=ordconstn) and
|
|
is_char(ld) and is_char(rd) then
|
|
begin
|
|
s1:=strpnew(char(byte(p^.left^.value)));
|
|
s2:=strpnew(char(byte(p^.right^.value)));
|
|
l1:=1;
|
|
l2:=1;
|
|
concatstrings:=true;
|
|
end
|
|
else
|
|
if (lt=stringconstn) and (rt=ordconstn) and is_char(rd) then
|
|
begin
|
|
s1:=getpcharcopy(p^.left);
|
|
l1:=p^.left^.length;
|
|
s2:=strpnew(char(byte(p^.right^.value)));
|
|
l2:=1;
|
|
concatstrings:=true;
|
|
end
|
|
else
|
|
if (lt=ordconstn) and (rt=stringconstn) and is_char(ld) then
|
|
begin
|
|
s1:=strpnew(char(byte(p^.left^.value)));
|
|
l1:=1;
|
|
s2:=getpcharcopy(p^.right);
|
|
l2:=p^.right^.length;
|
|
concatstrings:=true;
|
|
end
|
|
else if (lt=stringconstn) and (rt=stringconstn) then
|
|
begin
|
|
s1:=getpcharcopy(p^.left);
|
|
l1:=p^.left^.length;
|
|
s2:=getpcharcopy(p^.right);
|
|
l2:=p^.right^.length;
|
|
concatstrings:=true;
|
|
end;
|
|
|
|
{ I will need to translate all this to ansistrings !!! }
|
|
if concatstrings then
|
|
begin
|
|
case p^.treetype of
|
|
addn :
|
|
t:=genpcharconstnode(concatansistrings(s1,s2,l1,l2),l1+l2);
|
|
ltn :
|
|
t:=genordinalconstnode(byte(compareansistrings(s1,s2,l1,l2)<0),booldef);
|
|
lten :
|
|
t:=genordinalconstnode(byte(compareansistrings(s1,s2,l1,l2)<=0),booldef);
|
|
gtn :
|
|
t:=genordinalconstnode(byte(compareansistrings(s1,s2,l1,l2)>0),booldef);
|
|
gten :
|
|
t:=genordinalconstnode(byte(compareansistrings(s1,s2,l1,l2)>=0),booldef);
|
|
equaln :
|
|
t:=genordinalconstnode(byte(compareansistrings(s1,s2,l1,l2)=0),booldef);
|
|
unequaln :
|
|
t:=genordinalconstnode(byte(compareansistrings(s1,s2,l1,l2)<>0),booldef);
|
|
end;
|
|
ansistringdispose(s1,l1);
|
|
ansistringdispose(s2,l2);
|
|
disposetree(p);
|
|
firstpass(t);
|
|
p:=t;
|
|
exit;
|
|
end;
|
|
|
|
{ if both are orddefs then check sub types }
|
|
if (ld^.deftype=orddef) and (rd^.deftype=orddef) then
|
|
begin
|
|
{ 2 booleans ? }
|
|
if is_boolean(ld) and is_boolean(rd) then
|
|
begin
|
|
case p^.treetype of
|
|
andn,
|
|
orn:
|
|
begin
|
|
make_bool_equal_size(p);
|
|
calcregisters(p,0,0,0);
|
|
p^.location.loc:=LOC_JUMP;
|
|
end;
|
|
xorn,ltn,lten,gtn,gten:
|
|
begin
|
|
make_bool_equal_size(p);
|
|
if (p^.left^.location.loc in [LOC_JUMP,LOC_FLAGS]) and
|
|
(p^.left^.location.loc in [LOC_JUMP,LOC_FLAGS]) then
|
|
calcregisters(p,2,0,0)
|
|
else
|
|
calcregisters(p,1,0,0);
|
|
end;
|
|
unequaln,
|
|
equaln:
|
|
begin
|
|
make_bool_equal_size(p);
|
|
{ Remove any compares with constants }
|
|
if (p^.left^.treetype=ordconstn) then
|
|
begin
|
|
hp:=p^.right;
|
|
b:=(p^.left^.value<>0);
|
|
ot:=p^.treetype;
|
|
disposetree(p^.left);
|
|
putnode(p);
|
|
p:=hp;
|
|
if (not(b) and (ot=equaln)) or
|
|
(b and (ot=unequaln)) then
|
|
begin
|
|
p:=gensinglenode(notn,p);
|
|
firstpass(p);
|
|
end;
|
|
exit;
|
|
end;
|
|
if (p^.right^.treetype=ordconstn) then
|
|
begin
|
|
hp:=p^.left;
|
|
b:=(p^.right^.value<>0);
|
|
ot:=p^.treetype;
|
|
disposetree(p^.right);
|
|
putnode(p);
|
|
p:=hp;
|
|
if (not(b) and (ot=equaln)) or
|
|
(b and (ot=unequaln)) then
|
|
begin
|
|
p:=gensinglenode(notn,p);
|
|
firstpass(p);
|
|
end;
|
|
exit;
|
|
end;
|
|
if (p^.left^.location.loc in [LOC_JUMP,LOC_FLAGS]) and
|
|
(p^.left^.location.loc in [LOC_JUMP,LOC_FLAGS]) then
|
|
calcregisters(p,2,0,0)
|
|
else
|
|
calcregisters(p,1,0,0);
|
|
end;
|
|
else
|
|
CGMessage(type_e_mismatch);
|
|
end;
|
|
|
|
{ these one can't be in flags! }
|
|
if p^.treetype in [xorn,unequaln,equaln] then
|
|
begin
|
|
if p^.left^.location.loc=LOC_FLAGS then
|
|
begin
|
|
p^.left:=gentypeconvnode(p^.left,porddef(p^.left^.resulttype));
|
|
p^.left^.convtyp:=tc_bool_2_int;
|
|
p^.left^.explizit:=true;
|
|
firstpass(p^.left);
|
|
end;
|
|
if p^.right^.location.loc=LOC_FLAGS then
|
|
begin
|
|
p^.right:=gentypeconvnode(p^.right,porddef(p^.right^.resulttype));
|
|
p^.right^.convtyp:=tc_bool_2_int;
|
|
p^.right^.explizit:=true;
|
|
firstpass(p^.right);
|
|
end;
|
|
{ readjust registers }
|
|
calcregisters(p,1,0,0);
|
|
end;
|
|
convdone:=true;
|
|
end
|
|
else
|
|
{ Both are chars? only convert to shortstrings for addn }
|
|
if is_char(rd) and is_char(ld) then
|
|
begin
|
|
if p^.treetype=addn then
|
|
begin
|
|
p^.left:=gentypeconvnode(p^.left,cshortstringdef);
|
|
p^.right:=gentypeconvnode(p^.right,cshortstringdef);
|
|
firstpass(p^.left);
|
|
firstpass(p^.right);
|
|
{ here we call STRCOPY }
|
|
procinfo^.flags:=procinfo^.flags or pi_do_call;
|
|
calcregisters(p,0,0,0);
|
|
p^.location.loc:=LOC_MEM;
|
|
end
|
|
else
|
|
calcregisters(p,1,0,0);
|
|
convdone:=true;
|
|
end
|
|
{ is there a 64 bit type ? }
|
|
else if ((porddef(rd)^.typ=s64bit) or (porddef(ld)^.typ=s64bit)) and
|
|
{ the / operator is handled later }
|
|
(p^.treetype<>slashn) then
|
|
begin
|
|
if (porddef(ld)^.typ<>s64bit) then
|
|
begin
|
|
p^.left:=gentypeconvnode(p^.left,cs64bitdef);
|
|
firstpass(p^.left);
|
|
end;
|
|
if (porddef(rd)^.typ<>s64bit) then
|
|
begin
|
|
p^.right:=gentypeconvnode(p^.right,cs64bitdef);
|
|
firstpass(p^.right);
|
|
end;
|
|
calcregisters(p,2,0,0);
|
|
convdone:=true;
|
|
end
|
|
else if ((porddef(rd)^.typ=u64bit) or (porddef(ld)^.typ=u64bit)) and
|
|
{ the / operator is handled later }
|
|
(p^.treetype<>slashn) then
|
|
begin
|
|
if (porddef(ld)^.typ<>u64bit) then
|
|
begin
|
|
p^.left:=gentypeconvnode(p^.left,cu64bitdef);
|
|
firstpass(p^.left);
|
|
end;
|
|
if (porddef(rd)^.typ<>u64bit) then
|
|
begin
|
|
p^.right:=gentypeconvnode(p^.right,cu64bitdef);
|
|
firstpass(p^.right);
|
|
end;
|
|
calcregisters(p,2,0,0);
|
|
convdone:=true;
|
|
end
|
|
else
|
|
{ is there a cardinal? }
|
|
if ((porddef(rd)^.typ=u32bit) or (porddef(ld)^.typ=u32bit)) and
|
|
{ the / operator is handled later }
|
|
(p^.treetype<>slashn) then
|
|
begin
|
|
{ convert constants to u32bit }
|
|
{$ifndef cardinalmulfix}
|
|
if (porddef(ld)^.typ<>u32bit) then
|
|
begin
|
|
{ s32bit will be used for when the other is also s32bit }
|
|
|
|
{ the following line doesn't make any sense: it's the same as }
|
|
{ if ((porddef(rd)^.typ=u32bit) or (porddef(ld)^.typ=u32bit)) and }
|
|
{ (porddef(ld)^.typ<>u32bit) and (porddef(rd)^.typ=s32bit) then }
|
|
{ which can be simplified to }
|
|
{ if ((porddef(rd)^.typ=u32bit) and (porddef(rd)^.typ=s32bit) then }
|
|
{ which can never be true (JM) }
|
|
if (porddef(rd)^.typ=s32bit) and (lt<>ordconstn) then
|
|
p^.left:=gentypeconvnode(p^.left,s32bitdef)
|
|
else
|
|
p^.left:=gentypeconvnode(p^.left,u32bitdef);
|
|
firstpass(p^.left);
|
|
end;
|
|
if (porddef(rd)^.typ<>u32bit) then
|
|
begin
|
|
{ s32bit will be used for when the other is also s32bit }
|
|
if (porddef(ld)^.typ=s32bit) and (rt<>ordconstn) then
|
|
p^.right:=gentypeconvnode(p^.right,s32bitdef)
|
|
else
|
|
p^.right:=gentypeconvnode(p^.right,u32bitdef);
|
|
firstpass(p^.right);
|
|
end;
|
|
{$else cardinalmulfix}
|
|
{ only do a conversion if the nodes have different signs }
|
|
if (porddef(rd)^.typ=u32bit) xor (porddef(ld)^.typ=u32bit) then
|
|
if (porddef(rd)^.typ=u32bit) then
|
|
begin
|
|
{ can we make them both unsigned? }
|
|
if is_constintnode(p^.left) and
|
|
((p^.treetype <> subn) and
|
|
(p^.left^.value > 0)) then
|
|
p^.left:=gentypeconvnode(p^.left,u32bitdef)
|
|
else
|
|
p^.left:=gentypeconvnode(p^.left,s32bitdef);
|
|
firstpass(p^.left);
|
|
end
|
|
else {if (porddef(ld)^.typ=u32bit) then}
|
|
begin
|
|
{ can we make them both unsigned? }
|
|
if is_constintnode(p^.right) and
|
|
(p^.right^.value > 0) then
|
|
p^.right:=gentypeconvnode(p^.right,u32bitdef)
|
|
else
|
|
p^.right:=gentypeconvnode(p^.right,s32bitdef);
|
|
firstpass(p^.right);
|
|
end;
|
|
{$endif cardinalmulfix}
|
|
calcregisters(p,1,0,0);
|
|
{ for unsigned mul we need an extra register }
|
|
{ p^.registers32:=p^.left^.registers32+p^.right^.registers32; }
|
|
if p^.treetype=muln then
|
|
inc(p^.registers32);
|
|
convdone:=true;
|
|
end;
|
|
end
|
|
else
|
|
|
|
{ left side a setdef, must be before string processing,
|
|
else array constructor can be seen as array of char (PFV) }
|
|
if (ld^.deftype=setdef) {or is_array_constructor(ld)} then
|
|
begin
|
|
{ trying to add a set element? }
|
|
if (p^.treetype=addn) and (rd^.deftype<>setdef) then
|
|
begin
|
|
if (rt=setelementn) then
|
|
begin
|
|
if not(is_equal(psetdef(ld)^.elementtype.def,rd)) then
|
|
CGMessage(type_e_set_element_are_not_comp);
|
|
end
|
|
else
|
|
CGMessage(type_e_mismatch)
|
|
end
|
|
else
|
|
begin
|
|
if not(p^.treetype in [addn,subn,symdifn,muln,equaln,unequaln
|
|
{$IfNDef NoSetInclusion}
|
|
,lten,gten
|
|
{$EndIf NoSetInclusion}
|
|
]) then
|
|
CGMessage(type_e_set_operation_unknown);
|
|
{ right def must be a also be set }
|
|
if (rd^.deftype<>setdef) or not(is_equal(rd,ld)) then
|
|
CGMessage(type_e_set_element_are_not_comp);
|
|
end;
|
|
|
|
{ ranges require normsets }
|
|
if (psetdef(ld)^.settype=smallset) and
|
|
(rt=setelementn) and
|
|
assigned(p^.right^.right) then
|
|
begin
|
|
{ generate a temporary normset def }
|
|
tempdef:=new(psetdef,init(psetdef(ld)^.elementtype.def,255));
|
|
p^.left:=gentypeconvnode(p^.left,tempdef);
|
|
firstpass(p^.left);
|
|
dispose(tempdef,done);
|
|
ld:=p^.left^.resulttype;
|
|
end;
|
|
|
|
{ if the destination is not a smallset then insert a typeconv
|
|
which loads a smallset into a normal set }
|
|
if (psetdef(ld)^.settype<>smallset) and
|
|
(psetdef(rd)^.settype=smallset) then
|
|
begin
|
|
if (p^.right^.treetype=setconstn) then
|
|
begin
|
|
t:=gensetconstnode(p^.right^.value_set,psetdef(p^.left^.resulttype));
|
|
t^.left:=p^.right^.left;
|
|
putnode(p^.right);
|
|
p^.right:=t;
|
|
end
|
|
else
|
|
p^.right:=gentypeconvnode(p^.right,psetdef(p^.left^.resulttype));
|
|
firstpass(p^.right);
|
|
end;
|
|
|
|
{ do constant evaluation }
|
|
if (p^.right^.treetype=setconstn) and
|
|
not assigned(p^.right^.left) and
|
|
(p^.left^.treetype=setconstn) and
|
|
not assigned(p^.left^.left) then
|
|
begin
|
|
new(resultset);
|
|
case p^.treetype of
|
|
addn : begin
|
|
for i:=0 to 31 do
|
|
resultset^[i]:=
|
|
p^.right^.value_set^[i] or p^.left^.value_set^[i];
|
|
t:=gensetconstnode(resultset,psetdef(ld));
|
|
end;
|
|
muln : begin
|
|
for i:=0 to 31 do
|
|
resultset^[i]:=
|
|
p^.right^.value_set^[i] and p^.left^.value_set^[i];
|
|
t:=gensetconstnode(resultset,psetdef(ld));
|
|
end;
|
|
subn : begin
|
|
for i:=0 to 31 do
|
|
resultset^[i]:=
|
|
p^.left^.value_set^[i] and not(p^.right^.value_set^[i]);
|
|
t:=gensetconstnode(resultset,psetdef(ld));
|
|
end;
|
|
symdifn : begin
|
|
for i:=0 to 31 do
|
|
resultset^[i]:=
|
|
p^.left^.value_set^[i] xor p^.right^.value_set^[i];
|
|
t:=gensetconstnode(resultset,psetdef(ld));
|
|
end;
|
|
unequaln : begin
|
|
b:=true;
|
|
for i:=0 to 31 do
|
|
if p^.right^.value_set^[i]=p^.left^.value_set^[i] then
|
|
begin
|
|
b:=false;
|
|
break;
|
|
end;
|
|
t:=genordinalconstnode(ord(b),booldef);
|
|
end;
|
|
equaln : begin
|
|
b:=true;
|
|
for i:=0 to 31 do
|
|
if p^.right^.value_set^[i]<>p^.left^.value_set^[i] then
|
|
begin
|
|
b:=false;
|
|
break;
|
|
end;
|
|
t:=genordinalconstnode(ord(b),booldef);
|
|
end;
|
|
{$IfNDef NoSetInclusion}
|
|
lten : Begin
|
|
b := true;
|
|
For i := 0 to 31 Do
|
|
If (p^.right^.value_set^[i] And p^.left^.value_set^[i]) <>
|
|
p^.left^.value_set^[i] Then
|
|
Begin
|
|
b := false;
|
|
Break
|
|
End;
|
|
t := genordinalconstnode(ord(b),booldef);
|
|
End;
|
|
gten : Begin
|
|
b := true;
|
|
For i := 0 to 31 Do
|
|
If (p^.left^.value_set^[i] And p^.right^.value_set^[i]) <>
|
|
p^.right^.value_set^[i] Then
|
|
Begin
|
|
b := false;
|
|
Break
|
|
End;
|
|
t := genordinalconstnode(ord(b),booldef);
|
|
End;
|
|
{$EndIf NoSetInclusion}
|
|
end;
|
|
dispose(resultset);
|
|
disposetree(p);
|
|
p:=t;
|
|
firstpass(p);
|
|
exit;
|
|
end
|
|
else
|
|
if psetdef(ld)^.settype=smallset then
|
|
begin
|
|
{ are we adding set elements ? }
|
|
if p^.right^.treetype=setelementn then
|
|
calcregisters(p,2,0,0)
|
|
else
|
|
calcregisters(p,1,0,0);
|
|
p^.location.loc:=LOC_REGISTER;
|
|
end
|
|
else
|
|
begin
|
|
calcregisters(p,0,0,0);
|
|
{ here we call SET... }
|
|
procinfo^.flags:=procinfo^.flags or pi_do_call;
|
|
p^.location.loc:=LOC_MEM;
|
|
end;
|
|
convdone:=true;
|
|
end
|
|
else
|
|
{ compare pchar to char arrays by addresses
|
|
like BP/Delphi }
|
|
if (is_pchar(ld) and is_chararray(rd)) or
|
|
(is_pchar(rd) and is_chararray(ld)) then
|
|
begin
|
|
if is_chararray(rd) then
|
|
begin
|
|
p^.right:=gentypeconvnode(p^.right,ld);
|
|
firstpass(p^.right);
|
|
end
|
|
else
|
|
begin
|
|
p^.left:=gentypeconvnode(p^.left,rd);
|
|
firstpass(p^.left);
|
|
end;
|
|
p^.location.loc:=LOC_REGISTER;
|
|
calcregisters(p,1,0,0);
|
|
convdone:=true;
|
|
end
|
|
else
|
|
{ is one of the operands a string?,
|
|
chararrays are also handled as strings (after conversion) }
|
|
if (rd^.deftype=stringdef) or (ld^.deftype=stringdef) or
|
|
((is_chararray(rd) or is_char(rd)) and
|
|
(is_chararray(ld) or is_char(ld))) then
|
|
begin
|
|
if is_widestring(rd) or is_widestring(ld) then
|
|
begin
|
|
if not(is_widestring(rd)) then
|
|
p^.right:=gentypeconvnode(p^.right,cwidestringdef);
|
|
if not(is_widestring(ld)) then
|
|
p^.left:=gentypeconvnode(p^.left,cwidestringdef);
|
|
p^.resulttype:=cwidestringdef;
|
|
{ this is only for add, the comparisaion is handled later }
|
|
p^.location.loc:=LOC_REGISTER;
|
|
end
|
|
else if is_ansistring(rd) or is_ansistring(ld) then
|
|
begin
|
|
if not(is_ansistring(rd)) then
|
|
p^.right:=gentypeconvnode(p^.right,cansistringdef);
|
|
if not(is_ansistring(ld)) then
|
|
p^.left:=gentypeconvnode(p^.left,cansistringdef);
|
|
{ we use ansistrings so no fast exit here }
|
|
procinfo^.no_fast_exit:=true;
|
|
p^.resulttype:=cansistringdef;
|
|
{ this is only for add, the comparisaion is handled later }
|
|
p^.location.loc:=LOC_REGISTER;
|
|
end
|
|
else if is_longstring(rd) or is_longstring(ld) then
|
|
begin
|
|
if not(is_longstring(rd)) then
|
|
p^.right:=gentypeconvnode(p^.right,clongstringdef);
|
|
if not(is_longstring(ld)) then
|
|
p^.left:=gentypeconvnode(p^.left,clongstringdef);
|
|
p^.resulttype:=clongstringdef;
|
|
{ this is only for add, the comparisaion is handled later }
|
|
p^.location.loc:=LOC_MEM;
|
|
end
|
|
else
|
|
begin
|
|
if not(is_shortstring(rd))
|
|
{$ifdef newoptimizations2}
|
|
{$ifdef i386}
|
|
{ shortstring + char handled seperately (JM) }
|
|
and (not(cs_optimize in aktglobalswitches) or
|
|
(p^.treetype <> addn) or not(is_char(rd)))
|
|
{$endif i386}
|
|
{$endif newoptimizations2}
|
|
then
|
|
p^.right:=gentypeconvnode(p^.right,cshortstringdef);
|
|
if not(is_shortstring(ld)) then
|
|
p^.left:=gentypeconvnode(p^.left,cshortstringdef);
|
|
p^.resulttype:=cshortstringdef;
|
|
{ this is only for add, the comparisaion is handled later }
|
|
p^.location.loc:=LOC_MEM;
|
|
end;
|
|
{ only if there is a type cast we need to do again }
|
|
{ the first pass }
|
|
if p^.left^.treetype=typeconvn then
|
|
firstpass(p^.left);
|
|
if p^.right^.treetype=typeconvn then
|
|
firstpass(p^.right);
|
|
{ here we call STRCONCAT or STRCMP or STRCOPY }
|
|
procinfo^.flags:=procinfo^.flags or pi_do_call;
|
|
if p^.location.loc=LOC_MEM then
|
|
calcregisters(p,0,0,0)
|
|
else
|
|
calcregisters(p,1,0,0);
|
|
{$ifdef newoptimizations}
|
|
{$ifdef i386}
|
|
{ not always necessary, only if it is not a constant char and }
|
|
{ not a regvar, but don't know how to check this here (JM) }
|
|
if is_char(rd) then
|
|
inc(p^.registers32);
|
|
{$endif i386}
|
|
{$endif newoptimizations}
|
|
convdone:=true;
|
|
end
|
|
else
|
|
|
|
{ is one a real float ? }
|
|
if (rd^.deftype=floatdef) or (ld^.deftype=floatdef) then
|
|
begin
|
|
{ if one is a fixed, then convert to f32bit }
|
|
if ((rd^.deftype=floatdef) and (pfloatdef(rd)^.typ=f32bit)) or
|
|
((ld^.deftype=floatdef) and (pfloatdef(ld)^.typ=f32bit)) then
|
|
begin
|
|
if not is_integer(rd) or (p^.treetype<>muln) then
|
|
p^.right:=gentypeconvnode(p^.right,s32fixeddef);
|
|
if not is_integer(ld) or (p^.treetype<>muln) then
|
|
p^.left:=gentypeconvnode(p^.left,s32fixeddef);
|
|
firstpass(p^.left);
|
|
firstpass(p^.right);
|
|
calcregisters(p,1,0,0);
|
|
p^.location.loc:=LOC_REGISTER;
|
|
end
|
|
else
|
|
{ convert both to bestreal }
|
|
begin
|
|
p^.right:=gentypeconvnode(p^.right,bestrealdef^);
|
|
p^.left:=gentypeconvnode(p^.left,bestrealdef^);
|
|
firstpass(p^.left);
|
|
firstpass(p^.right);
|
|
calcregisters(p,0,1,0);
|
|
p^.location.loc:=LOC_FPU;
|
|
end;
|
|
convdone:=true;
|
|
end
|
|
else
|
|
|
|
{ pointer comperation and subtraction }
|
|
if (rd^.deftype=pointerdef) and (ld^.deftype=pointerdef) then
|
|
begin
|
|
p^.location.loc:=LOC_REGISTER;
|
|
{ p^.right:=gentypeconvnode(p^.right,ld); }
|
|
{ firstpass(p^.right); }
|
|
calcregisters(p,1,0,0);
|
|
case p^.treetype of
|
|
equaln,unequaln :
|
|
begin
|
|
if is_equal(p^.right^.resulttype,voidpointerdef) then
|
|
begin
|
|
p^.right:=gentypeconvnode(p^.right,ld);
|
|
firstpass(p^.right);
|
|
end
|
|
else if is_equal(p^.left^.resulttype,voidpointerdef) then
|
|
begin
|
|
p^.left:=gentypeconvnode(p^.left,rd);
|
|
firstpass(p^.left);
|
|
end
|
|
else if not(is_equal(ld,rd)) then
|
|
CGMessage(type_e_mismatch);
|
|
end;
|
|
ltn,lten,gtn,gten:
|
|
begin
|
|
if is_equal(p^.right^.resulttype,voidpointerdef) then
|
|
begin
|
|
p^.right:=gentypeconvnode(p^.right,ld);
|
|
firstpass(p^.right);
|
|
end
|
|
else if is_equal(p^.left^.resulttype,voidpointerdef) then
|
|
begin
|
|
p^.left:=gentypeconvnode(p^.left,rd);
|
|
firstpass(p^.left);
|
|
end
|
|
else if not(is_equal(ld,rd)) then
|
|
CGMessage(type_e_mismatch);
|
|
if not(cs_extsyntax in aktmoduleswitches) then
|
|
CGMessage(type_e_mismatch);
|
|
end;
|
|
subn:
|
|
begin
|
|
if not(is_equal(ld,rd)) then
|
|
CGMessage(type_e_mismatch);
|
|
if not(cs_extsyntax in aktmoduleswitches) then
|
|
CGMessage(type_e_mismatch);
|
|
p^.resulttype:=s32bitdef;
|
|
exit;
|
|
end;
|
|
else CGMessage(type_e_mismatch);
|
|
end;
|
|
convdone:=true;
|
|
end
|
|
else
|
|
|
|
if (rd^.deftype=objectdef) and (ld^.deftype=objectdef) and
|
|
pobjectdef(rd)^.is_class and pobjectdef(ld)^.is_class then
|
|
begin
|
|
p^.location.loc:=LOC_REGISTER;
|
|
if pobjectdef(rd)^.is_related(pobjectdef(ld)) then
|
|
p^.right:=gentypeconvnode(p^.right,ld)
|
|
else
|
|
p^.left:=gentypeconvnode(p^.left,rd);
|
|
firstpass(p^.right);
|
|
firstpass(p^.left);
|
|
calcregisters(p,1,0,0);
|
|
case p^.treetype of
|
|
equaln,unequaln : ;
|
|
else CGMessage(type_e_mismatch);
|
|
end;
|
|
convdone:=true;
|
|
end
|
|
else
|
|
|
|
if (rd^.deftype=classrefdef) and (ld^.deftype=classrefdef) then
|
|
begin
|
|
p^.location.loc:=LOC_REGISTER;
|
|
if pobjectdef(pclassrefdef(rd)^.pointertype.def)^.is_related(pobjectdef(
|
|
pclassrefdef(ld)^.pointertype.def)) then
|
|
p^.right:=gentypeconvnode(p^.right,ld)
|
|
else
|
|
p^.left:=gentypeconvnode(p^.left,rd);
|
|
firstpass(p^.right);
|
|
firstpass(p^.left);
|
|
calcregisters(p,1,0,0);
|
|
case p^.treetype of
|
|
equaln,unequaln : ;
|
|
else CGMessage(type_e_mismatch);
|
|
end;
|
|
convdone:=true;
|
|
end
|
|
else
|
|
|
|
{ allows comperasion with nil pointer }
|
|
if (rd^.deftype=objectdef) and
|
|
pobjectdef(rd)^.is_class then
|
|
begin
|
|
p^.location.loc:=LOC_REGISTER;
|
|
p^.left:=gentypeconvnode(p^.left,rd);
|
|
firstpass(p^.left);
|
|
calcregisters(p,1,0,0);
|
|
case p^.treetype of
|
|
equaln,unequaln : ;
|
|
else CGMessage(type_e_mismatch);
|
|
end;
|
|
convdone:=true;
|
|
end
|
|
else
|
|
|
|
if (ld^.deftype=objectdef) and
|
|
pobjectdef(ld)^.is_class then
|
|
begin
|
|
p^.location.loc:=LOC_REGISTER;
|
|
p^.right:=gentypeconvnode(p^.right,ld);
|
|
firstpass(p^.right);
|
|
calcregisters(p,1,0,0);
|
|
case p^.treetype of
|
|
equaln,unequaln : ;
|
|
else CGMessage(type_e_mismatch);
|
|
end;
|
|
convdone:=true;
|
|
end
|
|
else
|
|
|
|
if (rd^.deftype=classrefdef) then
|
|
begin
|
|
p^.left:=gentypeconvnode(p^.left,rd);
|
|
firstpass(p^.left);
|
|
calcregisters(p,1,0,0);
|
|
case p^.treetype of
|
|
equaln,unequaln : ;
|
|
else CGMessage(type_e_mismatch);
|
|
end;
|
|
convdone:=true;
|
|
end
|
|
else
|
|
|
|
if (ld^.deftype=classrefdef) then
|
|
begin
|
|
p^.right:=gentypeconvnode(p^.right,ld);
|
|
firstpass(p^.right);
|
|
calcregisters(p,1,0,0);
|
|
case p^.treetype of
|
|
equaln,unequaln : ;
|
|
else
|
|
CGMessage(type_e_mismatch);
|
|
end;
|
|
convdone:=true;
|
|
end
|
|
else
|
|
|
|
{ support procvar=nil,procvar<>nil }
|
|
if ((ld^.deftype=procvardef) and (rt=niln)) or
|
|
((rd^.deftype=procvardef) and (lt=niln)) then
|
|
begin
|
|
calcregisters(p,1,0,0);
|
|
p^.location.loc:=LOC_REGISTER;
|
|
case p^.treetype of
|
|
equaln,unequaln : ;
|
|
else
|
|
CGMessage(type_e_mismatch);
|
|
end;
|
|
convdone:=true;
|
|
end
|
|
else
|
|
|
|
{$ifdef SUPPORT_MMX}
|
|
if (cs_mmx in aktlocalswitches) and is_mmx_able_array(ld) and
|
|
is_mmx_able_array(rd) and is_equal(ld,rd) then
|
|
begin
|
|
firstpass(p^.right);
|
|
firstpass(p^.left);
|
|
case p^.treetype of
|
|
addn,subn,xorn,orn,andn:
|
|
;
|
|
{ mul is a little bit restricted }
|
|
muln:
|
|
if not(mmx_type(p^.left^.resulttype) in
|
|
[mmxu16bit,mmxs16bit,mmxfixed16]) then
|
|
CGMessage(type_e_mismatch);
|
|
else
|
|
CGMessage(type_e_mismatch);
|
|
end;
|
|
p^.location.loc:=LOC_MMXREGISTER;
|
|
calcregisters(p,0,0,1);
|
|
convdone:=true;
|
|
end
|
|
else
|
|
{$endif SUPPORT_MMX}
|
|
|
|
{ this is a little bit dangerous, also the left type }
|
|
{ should be checked! This broke the mmx support }
|
|
if (rd^.deftype=pointerdef) or
|
|
is_zero_based_array(rd) then
|
|
begin
|
|
if is_zero_based_array(rd) then
|
|
begin
|
|
p^.resulttype:=new(ppointerdef,init(parraydef(rd)^.elementtype));
|
|
p^.right:=gentypeconvnode(p^.right,p^.resulttype);
|
|
firstpass(p^.right);
|
|
end;
|
|
p^.location.loc:=LOC_REGISTER;
|
|
p^.left:=gentypeconvnode(p^.left,s32bitdef);
|
|
firstpass(p^.left);
|
|
calcregisters(p,1,0,0);
|
|
if p^.treetype=addn then
|
|
begin
|
|
if not(cs_extsyntax in aktmoduleswitches) or
|
|
(not(is_pchar(ld)) and not(m_add_pointer in aktmodeswitches)) then
|
|
CGMessage(type_e_mismatch);
|
|
{ Dirty hack, to support multiple firstpasses (PFV) }
|
|
if (p^.resulttype=nil) and
|
|
(rd^.deftype=pointerdef) and
|
|
(ppointerdef(rd)^.pointertype.def^.size>1) then
|
|
begin
|
|
p^.left:=gennode(muln,p^.left,genordinalconstnode(ppointerdef(rd)^.pointertype.def^.size,s32bitdef));
|
|
firstpass(p^.left);
|
|
end;
|
|
end
|
|
else
|
|
CGMessage(type_e_mismatch);
|
|
convdone:=true;
|
|
end
|
|
else
|
|
|
|
if (ld^.deftype=pointerdef) or
|
|
is_zero_based_array(ld) then
|
|
begin
|
|
if is_zero_based_array(ld) then
|
|
begin
|
|
p^.resulttype:=new(ppointerdef,init(parraydef(ld)^.elementtype));
|
|
p^.left:=gentypeconvnode(p^.left,p^.resulttype);
|
|
firstpass(p^.left);
|
|
end;
|
|
p^.location.loc:=LOC_REGISTER;
|
|
p^.right:=gentypeconvnode(p^.right,s32bitdef);
|
|
firstpass(p^.right);
|
|
calcregisters(p,1,0,0);
|
|
case p^.treetype of
|
|
addn,subn : begin
|
|
if not(cs_extsyntax in aktmoduleswitches) or
|
|
(not(is_pchar(ld)) and not(m_add_pointer in aktmodeswitches)) then
|
|
CGMessage(type_e_mismatch);
|
|
{ Dirty hack, to support multiple firstpasses (PFV) }
|
|
if (p^.resulttype=nil) and
|
|
(ld^.deftype=pointerdef) and
|
|
(ppointerdef(ld)^.pointertype.def^.size>1) then
|
|
begin
|
|
p^.right:=gennode(muln,p^.right,
|
|
genordinalconstnode(ppointerdef(ld)^.pointertype.def^.size,s32bitdef));
|
|
firstpass(p^.right);
|
|
end;
|
|
end;
|
|
else
|
|
CGMessage(type_e_mismatch);
|
|
end;
|
|
convdone:=true;
|
|
end
|
|
else
|
|
|
|
if (rd^.deftype=procvardef) and (ld^.deftype=procvardef) and is_equal(rd,ld) then
|
|
begin
|
|
calcregisters(p,1,0,0);
|
|
p^.location.loc:=LOC_REGISTER;
|
|
case p^.treetype of
|
|
equaln,unequaln : ;
|
|
else
|
|
CGMessage(type_e_mismatch);
|
|
end;
|
|
convdone:=true;
|
|
end
|
|
else
|
|
|
|
if (ld^.deftype=enumdef) and (rd^.deftype=enumdef) and (is_equal(ld,rd)) then
|
|
begin
|
|
calcregisters(p,1,0,0);
|
|
case p^.treetype of
|
|
equaln,unequaln,
|
|
ltn,lten,gtn,gten : ;
|
|
else CGMessage(type_e_mismatch);
|
|
end;
|
|
convdone:=true;
|
|
end;
|
|
|
|
{ the general solution is to convert to 32 bit int }
|
|
if not convdone then
|
|
begin
|
|
{ but an int/int gives real/real! }
|
|
if p^.treetype=slashn then
|
|
begin
|
|
CGMessage(type_h_use_div_for_int);
|
|
p^.right:=gentypeconvnode(p^.right,bestrealdef^);
|
|
p^.left:=gentypeconvnode(p^.left,bestrealdef^);
|
|
firstpass(p^.left);
|
|
firstpass(p^.right);
|
|
{ maybe we need an integer register to save }
|
|
{ a reference }
|
|
if ((p^.left^.location.loc<>LOC_FPU) or
|
|
(p^.right^.location.loc<>LOC_FPU)) and
|
|
(p^.left^.registers32=p^.right^.registers32) then
|
|
calcregisters(p,1,1,0)
|
|
else
|
|
calcregisters(p,0,1,0);
|
|
p^.location.loc:=LOC_FPU;
|
|
end
|
|
else
|
|
begin
|
|
p^.right:=gentypeconvnode(p^.right,s32bitdef);
|
|
p^.left:=gentypeconvnode(p^.left,s32bitdef);
|
|
firstpass(p^.left);
|
|
firstpass(p^.right);
|
|
calcregisters(p,1,0,0);
|
|
p^.location.loc:=LOC_REGISTER;
|
|
end;
|
|
end;
|
|
|
|
if codegenerror then
|
|
exit;
|
|
|
|
{ determines result type for comparions }
|
|
{ here the is a problem with multiple passes }
|
|
{ example length(s)+1 gets internal 'longint' type first }
|
|
{ if it is a arg it is converted to 'LONGINT' }
|
|
{ but a second first pass will reset this to 'longint' }
|
|
case p^.treetype of
|
|
ltn,lten,gtn,gten,equaln,unequaln:
|
|
begin
|
|
if (not assigned(p^.resulttype)) or
|
|
(p^.resulttype^.deftype=stringdef) then
|
|
p^.resulttype:=booldef;
|
|
if is_64bitint(p^.left^.resulttype) then
|
|
p^.location.loc:=LOC_JUMP
|
|
else
|
|
p^.location.loc:=LOC_FLAGS;
|
|
end;
|
|
xorn:
|
|
begin
|
|
if not assigned(p^.resulttype) then
|
|
p^.resulttype:=p^.left^.resulttype;
|
|
p^.location.loc:=LOC_REGISTER;
|
|
end;
|
|
addn:
|
|
begin
|
|
if not assigned(p^.resulttype) then
|
|
begin
|
|
{ for strings, return is always a 255 char string }
|
|
if is_shortstring(p^.left^.resulttype) then
|
|
p^.resulttype:=cshortstringdef
|
|
else
|
|
p^.resulttype:=p^.left^.resulttype;
|
|
end;
|
|
end;
|
|
{$ifdef cardinalmulfix}
|
|
muln:
|
|
{ if we multiply an unsigned with a signed number, the result is signed }
|
|
{ in the other cases, the result remains signed or unsigned depending on }
|
|
{ the multiplication factors (JM) }
|
|
if (p^.left^.resulttype^.deftype = orddef) and
|
|
(p^.right^.resulttype^.deftype = orddef) and
|
|
is_signed(p^.right^.resulttype) then
|
|
p^.resulttype := p^.right^.resulttype
|
|
else p^.resulttype := p^.left^.resulttype;
|
|
(*
|
|
subn:
|
|
{ if we substract a u32bit from a positive constant, the result becomes }
|
|
{ s32bit as well (JM) }
|
|
begin
|
|
if (p^.right^.resulttype^.deftype = orddef) and
|
|
(p^.left^.resulttype^.deftype = orddef) and
|
|
(porddef(p^.right^.resulttype)^.typ = u32bit) and
|
|
is_constintnode(p^.left) and
|
|
{ (porddef(p^.left^.resulttype)^.typ <> u32bit) and}
|
|
(p^.left^.value > 0) then
|
|
begin
|
|
p^.left := gentypeconvnode(p^.left,u32bitdef);
|
|
firstpass(p^.left);
|
|
end;
|
|
p^.resulttype:=p^.left^.resulttype;
|
|
end;
|
|
*)
|
|
{$endif cardinalmulfix}
|
|
else
|
|
p^.resulttype:=p^.left^.resulttype;
|
|
end;
|
|
end;
|
|
|
|
|
|
end.
|
|
{
|
|
$Log$
|
|
Revision 1.76 2000-05-11 16:47:37 peter
|
|
* fixed check for overloaded operator with array and chararray check
|
|
|
|
Revision 1.75 2000/04/25 14:43:36 jonas
|
|
- disabled "string_var := string_var + ... " and "string_var + char_var"
|
|
optimizations (were only active with -dnewoptimizations) because of
|
|
several internal issues
|
|
|
|
Revision 1.74 2000/04/21 12:35:05 jonas
|
|
+ special code for string + char, between -dnewoptimizations
|
|
|
|
Revision 1.73 2000/03/28 21:14:18 pierre
|
|
* fix for bug 891
|
|
|
|
Revision 1.72 2000/03/20 10:16:51 florian
|
|
* fixed <dword>/<dword>, <int64>/<int64> and <qword>/<qword>
|
|
|
|
Revision 1.71 2000/03/18 15:01:19 jonas
|
|
* moved a $maxfpuregisters directive a bit up because it was being
|
|
ignored
|
|
|
|
Revision 1.70 2000/02/19 10:12:48 florian
|
|
* fixed one more internalerror 10
|
|
|
|
Revision 1.69 2000/02/17 14:53:42 florian
|
|
* some updates for the newcg
|
|
|
|
Revision 1.68 2000/02/14 22:34:28 florian
|
|
* fixed another internalerror
|
|
|
|
Revision 1.67 2000/02/13 22:46:28 florian
|
|
* fixed an internalerror with writeln
|
|
* fixed arrayconstructor_to_set to force the generation of better code
|
|
and added a more strict type checking
|
|
|
|
Revision 1.66 2000/02/13 14:21:51 jonas
|
|
* modifications to make the compiler functional when compiled with
|
|
-Or
|
|
|
|
Revision 1.65 2000/02/09 13:23:06 peter
|
|
* log truncated
|
|
|
|
Revision 1.64 2000/02/04 08:47:10 florian
|
|
* better register variable allocation in -Or mode
|
|
|
|
Revision 1.63 2000/01/07 01:14:43 peter
|
|
* updated copyright to 2000
|
|
|
|
Revision 1.62 2000/01/04 20:10:20 florian
|
|
* mmx support fixed
|
|
|
|
Revision 1.61 1999/12/11 18:53:31 jonas
|
|
* fixed type conversions of results of operations with cardinals
|
|
(between -dcardinalmulfix)
|
|
|
|
Revision 1.60 1999/12/09 23:18:04 pierre
|
|
* no_fast_exit if procedure contains implicit termination code
|
|
|
|
Revision 1.59 1999/12/01 12:42:33 peter
|
|
* fixed bug 698
|
|
* removed some notes about unused vars
|
|
|
|
Revision 1.58 1999/11/30 10:40:56 peter
|
|
+ ttype, tsymlist
|
|
|
|
Revision 1.57 1999/11/26 13:51:29 pierre
|
|
* fix for overloading of shr shl mod and div
|
|
|
|
Revision 1.56 1999/11/18 15:34:48 pierre
|
|
* Notes/Hints for local syms changed to
|
|
Set_varstate function
|
|
|
|
Revision 1.55 1999/11/17 17:05:06 pierre
|
|
* Notes/hints changes
|
|
|
|
Revision 1.54 1999/11/16 23:45:28 pierre
|
|
* global var token was changed by overload code (form bug 707)
|
|
|
|
Revision 1.53 1999/11/15 21:53:42 peter
|
|
* fixed constant eval for bool xor/or/and bool
|
|
|
|
Revision 1.52 1999/11/15 17:53:00 pierre
|
|
+ one field added for ttoken record for operator
|
|
linking the id to the corresponding operator token that
|
|
can now now all be overloaded
|
|
* overloaded operators are resetted to nil in InitSymtable
|
|
(bug when trying to compile a uint that overloads operators twice)
|
|
|
|
Revision 1.51 1999/11/06 14:34:29 peter
|
|
* truncated log to 20 revs
|
|
|
|
Revision 1.50 1999/09/27 23:45:00 peter
|
|
* procinfo is now a pointer
|
|
* support for result setting in sub procedure
|
|
|
|
Revision 1.49 1999/09/16 13:39:14 peter
|
|
* arrayconstructor 2 set conversion is now called always in the
|
|
beginning of firstadd
|
|
|
|
Revision 1.48 1999/09/15 20:35:45 florian
|
|
* small fix to operator overloading when in MMX mode
|
|
+ the compiler uses now fldz and fld1 if possible
|
|
+ some fixes to floating point registers
|
|
+ some math. functions (arctan, ln, sin, cos, sqrt, sqr, pi) are now inlined
|
|
* .... ???
|
|
|
|
Revision 1.47 1999/09/13 16:28:05 peter
|
|
* typo in previous commit open_array -> chararray :(
|
|
|
|
Revision 1.46 1999/09/10 15:40:46 peter
|
|
* fixed array check for operators, becuase array can also be a set
|
|
|
|
Revision 1.45 1999/09/08 16:05:29 peter
|
|
* pointer add/sub is now as expected and the same results as inc/dec
|
|
|
|
} |