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A64: Implement CSEL

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MerryMage 2018-01-18 11:37:17 +00:00
parent 6395f09f94
commit 144b629d8a
3 changed files with 28 additions and 1 deletions
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1
src/CMakeLists.txt
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@ -62,6 +62,7 @@ add_library(dynarmic
frontend/A64/translate/impl/branch.cpp
frontend/A64/translate/impl/data_processing_addsub.cpp
frontend/A64/translate/impl/data_processing_bitfield.cpp
frontend/A64/translate/impl/data_processing_conditional_select.cpp
frontend/A64/translate/impl/data_processing_logical.cpp
frontend/A64/translate/impl/data_processing_pcrel.cpp
frontend/A64/translate/impl/exception_generating.cpp

2
src/frontend/A64/decoder/a64.inc
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@ -331,7 +331,7 @@ INST(SBCS, "SBCS", "z1111
//INST(CCMP_imm, "CCMP (immediate)", "z1111010010iiiiicccc10nnnnn0ffff")
// Data Processing - Register - Conditional select
//INST(CSEL, "CSEL", "z0011010100mmmmmcccc00nnnnnddddd")
INST(CSEL, "CSEL", "z0011010100mmmmmcccc00nnnnnddddd")
//INST(CSINC, "CSINC", "z0011010100mmmmmcccc01nnnnnddddd")
//INST(CSINV, "CSINV", "z1011010100mmmmmcccc00nnnnnddddd")
//INST(CSNEG, "CSNEG", "z1011010100mmmmmcccc01nnnnnddddd")

26
src/frontend/A64/translate/impl/data_processing_conditional_select.cpp Normal file
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@ -0,0 +1,26 @@
/* This file is part of the dynarmic project.
* Copyright (c) 2018 MerryMage
* This software may be used and distributed according to the terms of the GNU
* General Public License version 2 or any later version.
*/
#include "frontend/A64/translate/impl/impl.h"
namespace Dynarmic {
namespace A64 {
bool TranslatorVisitor::CSEL(bool sf, Reg Rm, Cond cond, Reg Rn, Reg Rd) {
size_t datasize = sf ? 64 : 32;
IR::U32U64 operand1 = X(datasize, Rn);
IR::U32U64 operand2 = X(datasize, Rm);
IR::U32U64 result = ir.ConditionalSelect(cond, operand1, operand2);
X(datasize, Rd, result);
return true;
}
} // namespace A64
} // namespace Dynarmic