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65 lines
1.7 KiB
PHP
65 lines
1.7 KiB
PHP
{
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$Id$
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This file is part of the Free Pascal run time library.
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Copyright (c) 2004 by Florian Klaempfl
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member of the Free Pascal development team
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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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.
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**********************************************************************}
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{ ---------------------------------------------------------------------
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This include contains cpu-specific routines
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---------------------------------------------------------------------}
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function InterLockedDecrement (var Target: longint) : longint; assembler;
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asm
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movl $-1,%edx
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xchgl %edx,%eax
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lock
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xaddl %eax, (%rdx)
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decl %eax
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end;
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function InterLockedIncrement (var Target: longint) : longint; assembler;
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asm
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movl $1,%edx
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xchgl %edx,%eax
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lock
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xaddl %eax, (%rdx)
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incl %eax
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end;
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function InterLockedExchange (var Target: longint;Source : longint) : longint; assembler;
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asm
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xchgl (%rax),%edx
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movl %edx,%eax
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end;
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function InterLockedExchangeAdd (var Target: longint;Source : longint) : longint; assembler;
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asm
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xchgl %eax,%edx
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lock
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xaddl %eax, (%rdx)
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end;
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{
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$Log$
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Revision 1.2 2004-03-05 12:17:50 marco
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* interlocked* changed to longints, including winapi. (which was a bug)
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Revision 1.1 2004/02/20 22:15:16 florian
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+ x86_64 dependend sysutils part added
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* some 64 bit adaptions
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}
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