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{
Copyright (c) 1998-2002 by Florian Klaempfl
This unit contains the i386 AT&T instruction tables
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 itx86int;
{$i fpcdefs.inc}
interface
uses
cgbase;
function masm_regnum_search(const s:string):Tregister;
function masm_regname(r:Tregister):string;
implementation
uses
cutils,verbose,
cpubase;
const
{$if defined(x86_64)}
int_regname_table : array[tregisterindex] of string[13] = (
{$i r8664int.inc}
);
int_regname_index : array[tregisterindex] of tregisterindex = (
{$i r8664iri.inc}
);
{$elseif defined(i386)}
int_regname_table : array[tregisterindex] of string[13] = (
{$i r386int.inc}
);
int_regname_index : array[tregisterindex] of tregisterindex = (
{$i r386iri.inc}
);
{$elseif defined(i8086)}
int_regname_table : array[tregisterindex] of string[13] = (
{$i r8086int.inc}
);
int_regname_index : array[tregisterindex] of tregisterindex = (
{$i r8086iri.inc}
);
{$endif}
function findreg_by_intname(const s:string):integer;
var
l,r,m: integer;
begin
{Binary search.}
l := 0;
r := high(tregisterindex) + 1;
while l < r do
begin
m := (l + r) div 2;
if int_regname_table[int_regname_index[m]] < s then l := m + 1
else r := m;
end;
if (r<=high(tregisterindex)) and (int_regname_table[int_regname_index[r]]=s) then
findreg_by_intname:=int_regname_index[r]
else
findreg_by_intname:=0;
end;
function masm_regnum_search(const s:string):Tregister;
begin
result:=regnumber_table[findreg_by_intname(s)];
end;
function masm_regname(r:Tregister):string;
var
p : tregisterindex;
begin
p:=findreg_by_number(r);
if p<>0 then
result:=int_regname_table[p]
else
result:=generic_regname(r);
end;
end.
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