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76 lines
1.8 KiB
PHP
76 lines
1.8 KiB
PHP
{
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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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{$ifdef win64}
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movq %rcx,%rax
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{$else win64}
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movq %rdi,%rax
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{$endif win64}
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movl $-1,%edx
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xchgq %rdx,%rax
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lock
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xaddl %eax, (%rdx)
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decl %eax
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end;
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function InterLockedIncrement (var Target: longint) : longint; assembler;
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asm
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{$ifdef win64}
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movq %rcx,%rax
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{$else win64}
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movq %rdi,%rax
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{$endif win64}
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movl $1,%edx
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xchgq %rdx,%rax
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lock
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xaddl %eax, (%rdx)
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incl %eax
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end;
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function InterLockedExchange (var Target: longint;Source : longint) : longint; assembler;
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asm
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{$ifdef win64}
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xchgl (%rcx),%edx
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movl %edx,%eax
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{$else win64}
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xchgl (%rdi),%esi
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movl %esi,%eax
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{$endif win64}
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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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{$ifdef win64}
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xchgq %rcx,%rdx
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lock
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xaddl %ecx, (%rdx)
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movl %ecx,%eax
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{$else win64}
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xchgq %rdi,%rsi
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lock
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xaddl %edi, (%rsi)
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movl %edi,%eax
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{$endif win64}
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end;
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