mirror of https://github.com/PCSX2/pcsx2.git
86 lines
3.0 KiB
C
86 lines
3.0 KiB
C
/* PCSX2 - PS2 Emulator for PCs
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* Copyright (C) 2002-2010 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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/*
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* ix86 public header v0.9.1
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*
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* Original Authors (v0.6.2 and prior):
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* linuzappz <linuzappz@pcsx.net>
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* alexey silinov
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* goldfinger
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* zerofrog(@gmail.com)
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*
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* Authors of v0.9.1:
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* Jake.Stine(@gmail.com)
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* cottonvibes(@gmail.com)
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* sudonim(1@gmail.com)
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*/
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// PCSX2's New C++ Emitter
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// --------------------------------------------------------------------------------------
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// To use it just include the x86Emitter namespace into your file/class/function off choice.
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//
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// This header file is intended for use by public code. It includes the appropriate
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// inlines and class definitions for efficient codegen. (code internal to the emitter
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// should usually use ix86_internal.h instead, and manually include the
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// ix86_inlines.inl file when it is known that inlining of ModSib functions are
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// wanted).
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//
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#pragma once
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#include "x86types.h"
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#include "tools.h"
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#include "instructions.h"
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// Including legacy items for now, but these should be removed eventually,
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// once most code is no longer dependent on them.
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#include "legacy_types.h"
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#include "legacy_instructions.h"
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// --------------------------------------------------------------------------------------
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// CallAddress Macros -- An Optimization work-around hack!
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// --------------------------------------------------------------------------------------
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// MSVC 2008 fails to optimize direct invocation of static recompiled code buffers, instead
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// insisting on "mov eax, immaddr; call eax". Likewise, GCC fails to optimize it also, unless
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// the typecast is explicitly inlined. These macros account for these problems.
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//
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// But it turns out that MSVC is quite capable of optimising important code out of existance
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// if we use these macros in our PGO builds, so it's better just to live with the inefficient call.
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#ifdef _MSC_HAS_FIXED_INLINE_ASM_PGO
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# define CallAddress( ptr ) \
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__asm{ call offset ptr }
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# define FastCallAddress( ptr, param1 ) \
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__asm{ __asm mov ecx, param1 __asm call offset ptr }
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# define FastCallAddress2( ptr, param1, param2 ) \
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__asm{ __asm mov ecx, param1 __asm mov edx, param2 __asm call offset ptr }
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#else
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# define CallAddress( ptr ) \
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( (void (*)()) &(ptr)[0] )()
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# define FastCallAddress( ptr, param1 ) \
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( (void (*)( int )) &(ptr)[0] )( param1 )
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# define FastCallAddress2( ptr, param1, param2 ) \
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( (void (*)( int, int )) &(ptr)[0] )( param1, param2 )
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#endif
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