mirror of
https://gitlab.com/freepascal.org/fpc/source.git
synced 2025-05-12 12:55:20 +02:00
78 lines
1.8 KiB
PHP
78 lines
1.8 KiB
PHP
{
|
|
This file is part of the Free Pascal run time library.
|
|
|
|
Copyright (c) 2001 by Florian Klaempfl
|
|
member of the Free Pascal development team
|
|
|
|
See the file COPYING.FPC, included in this distribution,
|
|
for details about the copyright.
|
|
|
|
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.
|
|
|
|
**********************************************************************}
|
|
|
|
{ ---------------------------------------------------------------------
|
|
This include contains cpu-specific routines
|
|
---------------------------------------------------------------------}
|
|
|
|
{$ASMMODE ATT}
|
|
|
|
function InterLockedDecrement (var Target: longint) : longint; assembler;
|
|
asm
|
|
{$ifdef REGCALL}
|
|
movl $-1,%edx
|
|
xchgl %edx,%eax
|
|
{$else}
|
|
movl Target, %edx
|
|
movl $-1, %eax
|
|
{$endif}
|
|
lock
|
|
xaddl %eax, (%edx)
|
|
decl %eax
|
|
end;
|
|
|
|
|
|
function InterLockedIncrement (var Target: longint) : longint; assembler;
|
|
asm
|
|
{$ifdef REGCALL}
|
|
movl $1,%edx
|
|
xchgl %edx,%eax
|
|
{$else}
|
|
movl Target, %edx
|
|
movl $1, %eax
|
|
{$endif}
|
|
lock
|
|
xaddl %eax, (%edx)
|
|
incl %eax
|
|
end;
|
|
|
|
|
|
function InterLockedExchange (var Target: longint;Source : longint) : longint; assembler;
|
|
asm
|
|
{$ifdef REGCALL}
|
|
xchgl (%eax),%edx
|
|
movl %edx,%eax
|
|
{$else}
|
|
movl Target,%ecx
|
|
movl Source,%eax
|
|
xchgl (%ecx),%eax
|
|
{$endif}
|
|
end;
|
|
|
|
|
|
function InterLockedExchangeAdd (var Target: longint;Source : longint) : longint; assembler;
|
|
asm
|
|
{$ifdef REGCALL}
|
|
xchgl %eax,%edx
|
|
{$else}
|
|
movl Target,%edx
|
|
movl Source,%eax
|
|
{$endif}
|
|
lock
|
|
xaddl %eax, (%edx)
|
|
end;
|
|
|
|
|