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A64: Implement SM3TT1A

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Lioncash 2018-04-08 20:49:43 -04:00 committed by MerryMage
parent 2d269fdcc7
commit 769373b3ed
3 changed files with 40 additions and 1 deletions
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1
src/CMakeLists.txt
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@ -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_crypto_three_register.cpp
frontend/A64/translate/impl/simd_extract.cpp
frontend/A64/translate/impl/simd_modified_immediate.cpp
frontend/A64/translate/impl/simd_permute.cpp

2
src/frontend/A64/decoder/a64.inc
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@ -852,7 +852,7 @@ INST(USHLL, "USHLL, USHLL2", "0Q101
//INST(FCMLA_elt, "FCMLA (by element)", "0Q101111zzLMmmmm0rr1H0nnnnnddddd")
// Data Processing - FP and SIMD - Cryptographic three register
//INST(SM3TT1A, "SM3TT1A", "11001110010mmmmm10ii00nnnnnddddd")
INST(SM3TT1A, "SM3TT1A", "11001110010mmmmm10ii00nnnnnddddd")
//INST(SM3TT1B, "SM3TT1B", "11001110010mmmmm10ii01nnnnnddddd")
//INST(SM3TT2A, "SM3TT2A", "11001110010mmmmm10ii10nnnnnddddd")
//INST(SM3TT2B, "SM3TT2B", "11001110010mmmmm10ii11nnnnnddddd")

38
src/frontend/A64/translate/impl/simd_crypto_three_register.cpp Normal file
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@ -0,0 +1,38 @@
/* 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::SM3TT1A(Vec Vm, Imm<2> imm2, Vec Vn, Vec Vd) {
const IR::U128 d = ir.GetQ(Vd);
const IR::U128 m = ir.GetQ(Vm);
const IR::U128 n = ir.GetQ(Vn);
const u32 index = imm2.ZeroExtend();
const IR::U32 top_d = ir.VectorGetElement(32, d, 3);
const IR::U32 before_top_d = ir.VectorGetElement(32, d, 2);
const IR::U32 after_low_d = ir.VectorGetElement(32, d, 1);
const IR::U32 low_d = ir.VectorGetElement(32, d, 0);
const IR::U32 top_n = ir.VectorGetElement(32, n, 3);
const IR::U32 wj_prime = ir.VectorGetElement(32, m, index);
const IR::U32 ss2 = ir.Eor(top_n, ir.RotateRight(top_d, ir.Imm8(20)));
const IR::U32 tt1 = ir.Eor(after_low_d, ir.Eor(top_d, before_top_d));
const IR::U32 final_tt1 = ir.Add(tt1, ir.Add(low_d, ir.Add(ss2, wj_prime)));
const IR::U128 zero_vector = ir.ZeroVector();
const IR::U128 tmp1 = ir.VectorSetElement(32, zero_vector, 0, after_low_d);
const IR::U128 tmp2 = ir.VectorSetElement(32, tmp1, 1, ir.RotateRight(before_top_d, ir.Imm8(23)));
const IR::U128 tmp3 = ir.VectorSetElement(32, tmp2, 2, top_d);
const IR::U128 result = ir.VectorSetElement(32, tmp3, 3, final_tt1);
ir.SetQ(Vd, result);
return true;
}
} // namespace Dynarmic::A64