00001 // 00002 // Copyright (c) 2005-2008 Kenichi Watanabe. 00003 // Copyright (c) 2005-2008 Yasuhiro Watari. 00004 // Copyright (c) 2005-2008 Hironori Ichibayashi. 00005 // Copyright (c) 2008-2009 Kazuo Horio. 00006 // Copyright (c) 2009-2013 Naruki Kurata. 00007 // Copyright (c) 2005-2013 Ryota Shioya. 00008 // Copyright (c) 2005-2013 Masahiro Goshima. 00009 // 00010 // This software is provided 'as-is', without any express or implied 00011 // warranty. In no event will the authors be held liable for any damages 00012 // arising from the use of this software. 00013 // 00014 // Permission is granted to anyone to use this software for any purpose, 00015 // including commercial applications, and to alter it and redistribute it 00016 // freely, subject to the following restrictions: 00017 // 00018 // 1. The origin of this software must not be misrepresented; you must not 00019 // claim that you wrote the original software. If you use this software 00020 // in a product, an acknowledgment in the product documentation would be 00021 // appreciated but is not required. 00022 // 00023 // 2. Altered source versions must be plainly marked as such, and must not be 00024 // misrepresented as being the original software. 00025 // 00026 // 3. This notice may not be removed or altered from any source 00027 // distribution. 00028 // 00029 // 00030 00031 00032 #include <pch.h> 00033 #include "Sim/Predictor/BPred/BranchType.h" 00034 00035 using namespace Onikiri; 00036 00037 size_t BranchTypeUtility::GetTypeCount() const 00038 { 00039 return BT_END - BT_CONDITIONAL; 00040 } 00041 00042 BranchType BranchTypeUtility::OpClassToBranchType(const OpClass& opClass) const 00043 { 00044 if(!opClass.IsBranch()) 00045 return BT_NON; 00046 00047 bool conditinal = opClass.IsConditionalBranch(); 00048 00049 if( opClass.IsCall() ) 00050 return BT_CALL; 00051 else if( opClass.IsReturn() ) 00052 return conditinal ? BT_CONDITIONAL_RETURN : BT_RETURN; 00053 else if( conditinal ) 00054 return BT_CONDITIONAL; 00055 else 00056 return BT_UNCONDITIONAL; 00057 } 00058 00059 String BranchTypeUtility::GetTypeName(size_t index) const 00060 { 00061 const char* name[] = 00062 { 00063 "Conditional", 00064 "Unconditional", 00065 "Call", 00066 "Return", 00067 "Conditional return", 00068 "Not branch" 00069 }; 00070 00071 BranchType type = (BranchType)index; 00072 if(type == BT_END){ 00073 THROW_RUNTIME_ERROR("BT_END is invalid."); 00074 } 00075 return name[type]; 00076 }