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