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A64: Implement SHA1H

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This is a fairly trivial instruction it's essentially:

result = ROL(data, 30);
This commit is contained in:
Lioncash 2018-03-29 16:41:42 -04:00 committed by MerryMage
parent 3985f7bf84
commit 94f0fba16b
3 changed files with 23 additions and 1 deletions
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1
src/CMakeLists.txt
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@ -106,6 +106,7 @@ add_library(dynarmic
frontend/A64/translate/impl/simd_scalar_pairwise.cpp
frontend/A64/translate/impl/simd_scalar_three_same.cpp
frontend/A64/translate/impl/simd_scalar_two_register_misc.cpp
frontend/A64/translate/impl/simd_sha.cpp
frontend/A64/translate/impl/simd_shift_by_immediate.cpp
frontend/A64/translate/impl/simd_three_same.cpp
frontend/A64/translate/impl/simd_two_register_misc.cpp

2
src/frontend/A64/decoder/a64.inc
View file

@ -329,7 +329,7 @@ INST(AESIMC, "AESIMC", "01001
//INST(SHA256H, "SHA256H", "01011110000mmmmm010000nnnnnddddd")
//INST(SHA256H2, "SHA256H2", "01011110000mmmmm010100nnnnnddddd")
//INST(SHA256SU1, "SHA256SU1", "01011110000mmmmm011000nnnnnddddd")
//INST(SHA1H, "SHA1H", "0101111000101000000010nnnnnddddd")
INST(SHA1H, "SHA1H", "0101111000101000000010nnnnnddddd")
//INST(SHA1SU1, "SHA1SU1", "0101111000101000000110nnnnnddddd")
//INST(SHA256SU0, "SHA256SU0", "0101111000101000001010nnnnnddddd")

21
src/frontend/A64/translate/impl/simd_sha.cpp Normal file
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@ -0,0 +1,21 @@
/* 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::SHA1H(Vec Vn, Vec Vd) {
const IR::U128 data = ir.GetS(Vn);
const IR::U128 result = ir.VectorOr(ir.VectorLogicalShiftLeft(32, data, 30),
ir.VectorLogicalShiftRight(32, data, 2));
ir.SetS(Vd, result);
return true;
}
} // namespace Dynarmic::A64