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{
Copyright (c) 1998-2003 by Carl Eric Codere and Peter Vreman
Handles the common arm assembler reader routines
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 raarm;
{$i fpcdefs.inc}
interface
uses
cpubase,
aasmtai,aasmdata,
rautils;
type
TARMOperand=class(TOperand)
end;
TARMInstruction=class(TInstruction)
oppostfix : toppostfix;
wideformat : boolean; // For wide(32bit) instructions of the thumb-2 instruction set
function ConcatInstruction(p:TAsmList) : tai;override;
end;
implementation
uses
globals,
cpuinfo,
aasmcpu;
function TARMInstruction.ConcatInstruction(p:TAsmList) : tai;
begin
result:=inherited ConcatInstruction(p);
(result as taicpu).oppostfix:=oppostfix;
if wideformat then
include((result as taicpu).flags,cf_wideformat)
else
exclude((result as taicpu).flags,cf_wideformat);
{ GNU As assumes implicit S postfix for some instructions in thumb mode }
if (current_settings.instructionset=is_thumb) and (((result as taicpu).oppostfix=PF_None) and ((opcode=A_MOV) and ((result as taicpu).oper[1]^.typ=top_const)) or (opcode=A_MVN)) then
(result as taicpu).oppostfix:=PF_S
end;
end.
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