mirror of https://github.com/PCSX2/pcsx2.git
51 lines
1.4 KiB
C++
51 lines
1.4 KiB
C++
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2009 PCSX2 Dev Team
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*
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* PCSX2 is free software: you can redistribute it and/or modify it under the terms
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* of the GNU Lesser General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* PCSX2 is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with PCSX2.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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// Implementations found here: Increment and Decrement Instructions!
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// Note: This header is meant to be included from within the x86Emitter::Internal namespace.
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template< bool isDec >
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class xImpl_IncDec
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{
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public:
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template< typename T >
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__forceinline void operator()( const xRegister<T>& to ) const
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{
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if( Is8BitOp<T>() )
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{
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xWrite8( 0xfe );
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EmitSibMagic( isDec ? 1 : 0, to );
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}
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else
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{
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prefix16<T>();
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xWrite8( (isDec ? 0x48 : 0x40) | to.Id );
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}
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}
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template< typename T >
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__forceinline void operator()( const ModSibStrict<T>& sibdest ) const
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{
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prefix16<T>();
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xWrite8( Is8BitOp<T>() ? 0xfe : 0xff );
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EmitSibMagic( isDec ? 1 : 0, sibdest );
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}
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xImpl_IncDec() {} // don't ask.
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};
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