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{
Copyright (c) 1998-2009 by Mazen NEIFER and David Zhang
This unit contains the MIPS GAS 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 itcpugas;
{$i fpcdefs.inc}
interface
uses
cpubase, cgbase;
const
gas_op2str: array[tasmop] of string[15] = ({$INCLUDE strinst.inc});
function gas_regnum_search(const s: string): Tregister;
function gas_regname(r: Tregister): string;
implementation
uses
cutils, verbose;
const
gas_regname_table: array[tregisterindex] of string[7] = (
{$i rmipsgas.inc}
);
gas_regname_index: array[tregisterindex] of tregisterindex = (
{$i rmipssri.inc}
);
function findreg_by_gasname(const s: string): tregisterindex;
var
p: tregisterindex;
begin
for p := low(tregisterindex) to high(tregisterindex) do
begin
if gas_regname_table[gas_regname_index[p]] = s then
begin
findreg_by_gasname := gas_regname_index[p];
exit
end;
end;
findreg_by_gasname := 0;
end;
function gas_regnum_search(const s: string): Tregister;
begin
Result := regnumber_table[findreg_by_gasname(s)];
end;
function gas_regname(r: Tregister): string;
var
hr: tregister;
p: longint;
begin
{ Double uses the same table as single }
hr := r;
case getsubreg(hr) of
R_SUBFD:
setsubreg(hr, R_SUBFS);
R_SUBL, R_SUBW, R_SUBD, R_SUBQ:
setsubreg(hr, R_SUBD);
else
;
end;
p := findreg_by_number(hr);
if p <> 0 then
Result := gas_regname_table[p]
else
Result := generic_regname(r);
end;
end.
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