fpc/compiler/arm/narmmat.pas
peter 3078a1927f * remove ttype
* rename old ttype variables *type to *def
  * rename resulttypepass to pass_typecheck
  * rename pass_2 to pass_generate_code

git-svn-id: trunk@5077 -
2006-10-29 22:19:39 +00:00

122 lines
3.9 KiB
ObjectPascal

{
Copyright (c) 1998-2002 by Florian Klaempfl
Generate ARM assembler for math nodes
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 narmmat;
{$i fpcdefs.inc}
interface
uses
node,nmat,ncgmat;
type
tarmnotnode = class(tcgnotnode)
procedure second_boolean;override;
end;
tarmunaryminusnode = class(tcgunaryminusnode)
procedure second_float;override;
end;
implementation
uses
globtype,systems,
cutils,verbose,globals,
symconst,symdef,
aasmbase,aasmcpu,aasmtai,aasmdata,
defutil,
cgbase,cgobj,cgutils,
pass_1,pass_2,procinfo,
ncon,
cpubase,cpuinfo,
ncgutil,cgcpu,cg64f32,rgobj;
{*****************************************************************************
TARMNOTNODE
*****************************************************************************}
procedure tarmnotnode.second_boolean;
var
hl : tasmlabel;
ins : taicpu;
begin
{ if the location is LOC_JUMP, we do the secondpass after the
labels are allocated
}
if left.expectloc=LOC_JUMP then
begin
hl:=current_procinfo.CurrTrueLabel;
current_procinfo.CurrTrueLabel:=current_procinfo.CurrFalseLabel;
current_procinfo.CurrFalseLabel:=hl;
secondpass(left);
maketojumpbool(current_asmdata.CurrAsmList,left,lr_load_regvars);
hl:=current_procinfo.CurrTrueLabel;
current_procinfo.CurrTrueLabel:=current_procinfo.CurrFalseLabel;
current_procinfo.CurrFalseLabel:=hl;
location.loc:=LOC_JUMP;
end
else
begin
secondpass(left);
case left.location.loc of
LOC_FLAGS :
begin
location_copy(location,left.location);
inverse_flags(location.resflags);
end;
LOC_REGISTER,LOC_CREGISTER,LOC_REFERENCE,LOC_CREFERENCE :
begin
location_force_reg(current_asmdata.CurrAsmList,left.location,def_cgsize(left.resultdef),true);
current_asmdata.CurrAsmList.concat(taicpu.op_reg_const(A_CMP,left.location.register,0));
location_reset(location,LOC_FLAGS,OS_NO);
location.resflags:=F_EQ;
end;
else
internalerror(2003042401);
end;
end;
end;
{*****************************************************************************
TARMUNARYMINUSNODE
*****************************************************************************}
procedure tarmunaryminusnode.second_float;
begin
secondpass(left);
location_reset(location,LOC_FPUREGISTER,def_cgsize(resultdef));
location_force_fpureg(current_asmdata.CurrAsmList,left.location,false);
location:=left.location;
current_asmdata.CurrAsmList.concat(setoppostfix(taicpu.op_reg_reg_const(A_RSF,
location.register,left.location.register,0),
cgsize2fpuoppostfix[def_cgsize(resultdef)]));
end;
begin
cnotnode:=tarmnotnode;
cunaryminusnode:=tarmunaryminusnode;
end.