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https://gitlab.com/freepascal.org/fpc/source.git
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139 lines
4.7 KiB
ObjectPascal
139 lines
4.7 KiB
ObjectPascal
{
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Copyright (c) 1998-2002 by Florian Klaempfl
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Helper routines for the i386 code generator
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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****************************************************************************
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}
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unit cga;
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{$i fpcdefs.inc}
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interface
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uses
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globtype,
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cpubase,cgbase,cgutils,
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aasmbase,aasmdata,aasmcpu;
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procedure emit_none(i : tasmop;s : topsize);
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procedure emit_reg(i : tasmop;s : topsize;reg : tregister);
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procedure emit_ref(i : tasmop;s : topsize;ref : treference);
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procedure emit_const_reg(i : tasmop;s : topsize;c : aint;reg : tregister);
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procedure emit_const_ref(i : tasmop;s : topsize;c : aint;ref : treference);
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procedure emit_ref_reg(i : tasmop;s : topsize;ref : treference;reg : tregister);
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procedure emit_reg_ref(i : tasmop;s : topsize;reg : tregister;ref : treference);
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procedure emit_reg_reg(i : tasmop;s : topsize;reg1,reg2 : tregister);
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procedure emit_const_reg_reg(i : tasmop;s : topsize;c : longint;reg1,reg2 : tregister);
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procedure emit_reg_reg_reg(i : tasmop;s : topsize;reg1,reg2,reg3 : tregister);
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procedure emit_ref_reg_reg(i : tasmop;s : topsize;ref : treference;reg1,reg2 : tregister);
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procedure emit_sym(i : tasmop;s : topsize;op : tasmsymbol);
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implementation
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uses
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verbose,
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cgobj,cgx86;
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{*****************************************************************************
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Emit Assembler
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*****************************************************************************}
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procedure emit_none(i : tasmop;s : topsize);
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begin
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current_asmdata.CurrAsmList.concat(Taicpu.Op_none(i,s));
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end;
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procedure emit_reg(i : tasmop;s : topsize;reg : tregister);
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begin
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current_asmdata.CurrAsmList.concat(Taicpu.Op_reg(i,s,reg));
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end;
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procedure emit_ref(i : tasmop;s : topsize;ref : treference);
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begin
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tcgx86(cg).make_simple_ref(current_asmdata.CurrAsmList,ref);
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current_asmdata.CurrAsmList.concat(Taicpu.Op_ref(i,s,ref));
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end;
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procedure emit_const_reg(i : tasmop;s : topsize;c : aint;reg : tregister);
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begin
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current_asmdata.CurrAsmList.concat(Taicpu.Op_const_reg(i,s,c,reg));
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end;
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procedure emit_const_ref(i : tasmop;s : topsize;c : aint;ref : treference);
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begin
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tcgx86(cg).make_simple_ref(current_asmdata.CurrAsmList,ref);
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current_asmdata.CurrAsmList.concat(Taicpu.Op_const_ref(i,s,c,ref));
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end;
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procedure emit_ref_reg(i : tasmop;s : topsize;ref : treference;reg : tregister);
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begin
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tcgx86(cg).make_simple_ref(current_asmdata.CurrAsmList,ref);
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current_asmdata.CurrAsmList.concat(Taicpu.Op_ref_reg(i,s,ref,reg));
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end;
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procedure emit_reg_ref(i : tasmop;s : topsize;reg : tregister;ref : treference);
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begin
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tcgx86(cg).make_simple_ref(current_asmdata.CurrAsmList,ref);
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current_asmdata.CurrAsmList.concat(Taicpu.Op_reg_ref(i,s,reg,ref));
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end;
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procedure emit_reg_reg(i : tasmop;s : topsize;reg1,reg2 : tregister);
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var instr:Taicpu;
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begin
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if not ((reg1=reg2) and (i=A_MOV)) then
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begin
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instr:=Taicpu.op_reg_reg(i,s,reg1,reg2);
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current_asmdata.CurrAsmList.concat(instr);
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if i=A_MOV then
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cg.add_move_instruction(instr);
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end;
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end;
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procedure emit_const_reg_reg(i : tasmop;s : topsize;c : longint;reg1,reg2 : tregister);
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begin
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current_asmdata.CurrAsmList.concat(Taicpu.Op_const_reg_reg(i,s,c,reg1,reg2));
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end;
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procedure emit_reg_reg_reg(i : tasmop;s : topsize;reg1,reg2,reg3 : tregister);
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begin
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current_asmdata.CurrAsmList.concat(Taicpu.Op_reg_reg_reg(i,s,reg1,reg2,reg3));
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end;
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procedure emit_ref_reg_reg(i : tasmop;s : topsize;ref : treference;reg1,reg2 : tregister);
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begin
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tcgx86(cg).make_simple_ref(current_asmdata.CurrAsmList,ref);
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current_asmdata.CurrAsmList.concat(Taicpu.Op_ref_reg_reg(i,s,ref,reg1,reg2));
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end;
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procedure emit_sym(i : tasmop;s : topsize;op : tasmsymbol);
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begin
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current_asmdata.CurrAsmList.concat(Taicpu.Op_sym(i,s,op));
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end;
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end.
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