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{
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,aasmdata,aasmcpu;
procedure emit_none(i : tasmop;s : topsize);
procedure emit_reg(i : tasmop;s : topsize;reg : tregister);
procedure emit_ref(i : tasmop;s : topsize;ref : treference);
procedure emit_const_reg(i : tasmop;s : topsize;c : aint;reg : tregister);
procedure emit_const_ref(i : tasmop;s : topsize;c : aint;ref : treference);
procedure emit_ref_reg(i : tasmop;s : topsize;ref : treference;reg : tregister);
procedure emit_reg_ref(i : tasmop;s : topsize;reg : tregister;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,cgx86;
{*****************************************************************************
Emit Assembler
*****************************************************************************}
procedure emit_none(i : tasmop;s : topsize);
begin
current_asmdata.CurrAsmList.concat(Taicpu.Op_none(i,s));
end;
procedure emit_reg(i : tasmop;s : topsize;reg : tregister);
begin
current_asmdata.CurrAsmList.concat(Taicpu.Op_reg(i,s,reg));
end;
procedure emit_ref(i : tasmop;s : topsize;ref : treference);
begin
tcgx86(cg).make_simple_ref(current_asmdata.CurrAsmList,ref);
current_asmdata.CurrAsmList.concat(Taicpu.Op_ref(i,s,ref));
end;
procedure emit_const_reg(i : tasmop;s : topsize;c : aint;reg : tregister);
begin
current_asmdata.CurrAsmList.concat(Taicpu.Op_const_reg(i,s,c,reg));
end;
procedure emit_const_ref(i : tasmop;s : topsize;c : aint;ref : treference);
begin
tcgx86(cg).make_simple_ref(current_asmdata.CurrAsmList,ref);
current_asmdata.CurrAsmList.concat(Taicpu.Op_const_ref(i,s,c,ref));
end;
procedure emit_ref_reg(i : tasmop;s : topsize;ref : treference;reg : tregister);
begin
tcgx86(cg).make_simple_ref(current_asmdata.CurrAsmList,ref);
current_asmdata.CurrAsmList.concat(Taicpu.Op_ref_reg(i,s,ref,reg));
end;
procedure emit_reg_ref(i : tasmop;s : topsize;reg : tregister;ref : treference);
begin
tcgx86(cg).make_simple_ref(current_asmdata.CurrAsmList,ref);
current_asmdata.CurrAsmList.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);
current_asmdata.CurrAsmList.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
current_asmdata.CurrAsmList.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
current_asmdata.CurrAsmList.concat(Taicpu.Op_reg_reg_reg(i,s,reg1,reg2,reg3));
end;
procedure emit_sym(i : tasmop;s : topsize;op : tasmsymbol);
begin
current_asmdata.CurrAsmList.concat(Taicpu.Op_sym(i,s,op));
end;
end.
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