daedalus/Source/DynaRec/BranchType.h
2020-08-22 18:42:41 +10:00

100 lines
1.9 KiB
C

/*
Copyright (C) 2006 StrmnNrmn
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
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. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef DYNAREC_BRANCHTYPE_H_
#define DYNAREC_BRANCHTYPE_H_
#include "Base/Types.h"
#include <stdlib.h>
struct OpCode;
enum ER4300BranchType
{
BT_NOT_BRANCH = 0,
BT_BEQL,
BT_BNEL,
BT_BLEZL,
BT_BGTZL,
BT_BLTZL,
BT_BGEZL,
BT_BLTZALL,
BT_BGEZALL,
BT_BC1FL,
BT_BC1TL,
BT_BEQ,
BT_BNE,
BT_BLEZ,
BT_BGTZ,
BT_BLTZ,
BT_BLTZAL,
BT_BGEZ,
BT_BGEZAL,
BT_BC1F,
BT_BC1T,
BT_J,
BT_JAL,
BT_JR,
BT_JALR,
BT_ERET,
// BT_MAX,
};
inline bool IsBranchTypeLikely( ER4300BranchType type )
{
#ifdef DAEDALUS_ENABLE_ASSERTS
DAEDALUS_ASSERT( type != BT_NOT_BRANCH, "This is not a valid branch type" );
#endif
if( type < BT_BEQ )
return true;
else
return false;
}
inline bool IsConditionalBranch( ER4300BranchType type )
{
#ifdef DAEDALUS_ENABLE_ASSERTS
DAEDALUS_ASSERT( type != BT_NOT_BRANCH, "This is not a valid branch type" );
#endif
if( type >= BT_J )
return false;
else
return true;
}
inline bool IsBranchTypeDirect( ER4300BranchType type )
{
#ifdef DAEDALUS_ENABLE_ASSERTS
DAEDALUS_ASSERT( type != BT_NOT_BRANCH, "This is not a valid branch type" );
#endif
if( type >= BT_JR )
return false;
else
return true;
}
u32 GetBranchTarget( u32 address, OpCode op_code, ER4300BranchType type );
#endif // DYNAREC_BRANCHTYPE_H_