fpc/compiler/x86/cga.pas
fpc 790a4fe2d3 * log and id tags removed
git-svn-id: trunk@42 -
2005-05-21 09:42:41 +00:00

129 lines
4.0 KiB
ObjectPascal

{
Copyright (c) 1998-2002 by Florian Klaempfl
Helper routines for the i386 code generator
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 cga;
{$i fpcdefs.inc}
interface
uses
globtype,
cpuinfo,cpubase,cgbase,cgutils,
symconst,symtype,symdef,aasmbase,aasmtai,aasmcpu;
procedure emit_none(i : tasmop;s : topsize);
procedure emit_reg(i : tasmop;s : topsize;reg : tregister);
procedure emit_ref(i : tasmop;s : topsize;const ref : treference);
procedure emit_const_reg(i : tasmop;s : topsize;c : aint;reg : tregister);
procedure emit_const_ref(i : tasmop;s : topsize;c : aint;const ref : treference);
procedure emit_ref_reg(i : tasmop;s : topsize;const ref : treference;reg : tregister);
procedure emit_reg_ref(i : tasmop;s : topsize;reg : tregister;const ref : treference);
procedure emit_reg_reg(i : tasmop;s : topsize;reg1,reg2 : tregister);
procedure emit_const_reg_reg(i : tasmop;s : topsize;c : longint;reg1,reg2 : tregister);
procedure emit_reg_reg_reg(i : tasmop;s : topsize;reg1,reg2,reg3 : tregister);
procedure emit_sym(i : tasmop;s : topsize;op : tasmsymbol);
implementation
uses
cutils,
systems,verbose,
cgobj;
{*****************************************************************************
Emit Assembler
*****************************************************************************}
procedure emit_none(i : tasmop;s : topsize);
begin
exprasmList.concat(Taicpu.Op_none(i,s));
end;
procedure emit_reg(i : tasmop;s : topsize;reg : tregister);
begin
exprasmList.concat(Taicpu.Op_reg(i,s,reg));
end;
procedure emit_ref(i : tasmop;s : topsize;const ref : treference);
begin
exprasmList.concat(Taicpu.Op_ref(i,s,ref));
end;
procedure emit_const_reg(i : tasmop;s : topsize;c : aint;reg : tregister);
begin
exprasmList.concat(Taicpu.Op_const_reg(i,s,c,reg));
end;
procedure emit_const_ref(i : tasmop;s : topsize;c : aint;const ref : treference);
begin
exprasmList.concat(Taicpu.Op_const_ref(i,s,c,ref));
end;
procedure emit_ref_reg(i : tasmop;s : topsize;const ref : treference;reg : tregister);
begin
exprasmList.concat(Taicpu.Op_ref_reg(i,s,ref,reg));
end;
procedure emit_reg_ref(i : tasmop;s : topsize;reg : tregister;const ref : treference);
begin
exprasmList.concat(Taicpu.Op_reg_ref(i,s,reg,ref));
end;
procedure emit_reg_reg(i : tasmop;s : topsize;reg1,reg2 : tregister);
var instr:Taicpu;
begin
if not ((reg1=reg2) and (i=A_MOV)) then
begin
instr:=Taicpu.op_reg_reg(i,s,reg1,reg2);
exprasmlist.concat(instr);
if i=A_MOV then
cg.add_move_instruction(instr);
end;
end;
procedure emit_const_reg_reg(i : tasmop;s : topsize;c : longint;reg1,reg2 : tregister);
begin
exprasmList.concat(Taicpu.Op_const_reg_reg(i,s,c,reg1,reg2));
end;
procedure emit_reg_reg_reg(i : tasmop;s : topsize;reg1,reg2,reg3 : tregister);
begin
exprasmList.concat(Taicpu.Op_reg_reg_reg(i,s,reg1,reg2,reg3));
end;
procedure emit_sym(i : tasmop;s : topsize;op : tasmsymbol);
begin
exprasmList.concat(Taicpu.Op_sym(i,s,op));
end;
end.