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90 lines
2.7 KiB
ObjectPascal
90 lines
2.7 KiB
ObjectPascal
{
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Copyright (c) 1998-2010 by Florian Klaempfl and Jonas Maebe
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Member of the Free Pascal development team
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This unit contains routines to create a pass-through high-level code
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generator. This is used by most regular code generators.
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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 hlcgcpu;
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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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aasmbase, aasmdata,
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cgbase, cgutils,
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symconst,symtype,symdef,
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parabase, hlcgobj, hlcg2ll;
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type
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thlcgm68k = class(thlcg2ll)
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procedure a_bit_set_reg_reg(list: TAsmList; doset: boolean; bitnumbersize, destsize: tdef; bitnumber, dest: tregister); override;
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procedure a_bit_set_const_reg(list: TAsmList; doset: boolean; destsize: tdef; bitnumber: tcgint; destreg: tregister); override;
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end;
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procedure create_hlcodegen;
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implementation
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uses
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verbose, systems,
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aasmtai,
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aasmcpu,
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cutils,
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globals,
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defutil,
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cgobj,
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cpubase,
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cpuinfo,
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cgcpu;
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procedure thlcgm68k.a_bit_set_reg_reg(list: TAsmList; doset: boolean; bitnumbersize, destsize: tdef; bitnumber, dest: tregister);
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const
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instr: array[boolean] of tasmop = (A_BCLR,A_BSET);
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var
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tmpvalue: tregister;
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begin
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tmpvalue:=getintregister(list,destsize);
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//list.concat(tai_comment.create(strpnew('a_bit_set_reg_reg: called!')));
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a_load_const_reg(list,u32inttype,destsize.size*8-1,tmpvalue);
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a_op_reg_reg(list,OP_SUB,bitnumbersize,bitnumber,tmpvalue);
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list.concat(taicpu.op_reg_reg(instr[doset],S_NO,tmpvalue,dest));
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end;
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procedure thlcgm68k.a_bit_set_const_reg(list: TAsmList; doset: boolean; destsize: tdef; bitnumber: tcgint; destreg: tregister);
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const
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instr: array[boolean] of tasmop = (A_BCLR,A_BSET);
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begin
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//list.concat(tai_comment.create(strpnew('a_bit_set_const_reg: called!')));
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list.concat(taicpu.op_const_reg(instr[doset],S_NO,(destsize.size*8)-bitnumber-1,destreg));
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end;
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procedure create_hlcodegen;
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begin
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hlcg:=thlcgm68k.create;
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create_codegen;
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end;
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end.
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