mirrors/dynarmic
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

A64: Implement EXT

Browse source
This commit is contained in:
MerryMage 2018-04-02 22:10:28 +01:00
parent 3472f371df
commit 78a047f0f9
2 changed files with 29 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
src/CMakeLists.txt
View file

@ -101,6 +101,7 @@ add_library(dynarmic
frontend/A64/translate/impl/simd_aes.cpp
frontend/A64/translate/impl/simd_copy.cpp
frontend/A64/translate/impl/simd_crypto_four_register.cpp
frontend/A64/translate/impl/simd_extract.cpp
frontend/A64/translate/impl/simd_modified_immediate.cpp
frontend/A64/translate/impl/simd_permute.cpp
frontend/A64/translate/impl/simd_scalar_pairwise.cpp

28
src/frontend/A64/translate/impl/simd_extract.cpp Normal file
View file

@ -0,0 +1,28 @@
/* 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::A64 {
bool TranslatorVisitor::EXT(bool Q, Vec Vm, Imm<4> imm4, Vec Vn, Vec Vd) {
if (!Q && imm4.Bit<3>()) {
return UnallocatedEncoding();
}
const size_t datasize = Q ? 128 : 64;
const size_t position = imm4.ZeroExtend<size_t>() << 3;
const IR::U128 lo = V(datasize, Vn);
const IR::U128 hi = V(datasize, Vm);
const IR::U128 result = ir.VectorExtract(lo, hi, position);
V(datasize, Vd, result);
return true;
}
} // namespace Dynarmic::A64