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A64: Implement SM3SS1

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Lioncash 2018-04-08 00:58:47 -04:00 committed by MerryMage
parent 2db032ac83
commit d5461be6b4
2 changed files with 21 additions and 1 deletions
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2
src/frontend/A64/decoder/a64.inc
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@ -869,7 +869,7 @@ INST(RAX1, "RAX1", "11001
// Data Processing - FP and SIMD - Cryptographic four register
INST(EOR3, "EOR3", "11001110000mmmmm0aaaaannnnnddddd")
INST(BCAX, "BCAX", "11001110001mmmmm0aaaaannnnnddddd")
//INST(SM3SS1, "SM3SS1", "11001110010mmmmm0aaaaannnnnddddd")
INST(SM3SS1, "SM3SS1", "11001110010mmmmm0aaaaannnnnddddd")
// Data Processing - FP and SIMD - SHA512 two register
//INST(SHA512SU0, "SHA512SU0", "1100111011000000100000nnnnnddddd")

20
src/frontend/A64/translate/impl/simd_crypto_four_register.cpp
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@ -30,4 +30,24 @@ bool TranslatorVisitor::BCAX(Vec Vm, Vec Va, Vec Vn, Vec Vd) {
return true;
}
bool TranslatorVisitor::SM3SS1(Vec Vm, Vec Va, Vec Vn, Vec Vd) {
const IR::U128 a = ir.GetQ(Va);
const IR::U128 m = ir.GetQ(Vm);
const IR::U128 n = ir.GetQ(Vn);
const IR::U32 top_a = ir.VectorGetElement(32, a, 3);
const IR::U32 top_m = ir.VectorGetElement(32, m, 3);
const IR::U32 top_n = ir.VectorGetElement(32, n, 3);
const IR::U32 rotated_n = ir.RotateRight(top_n, ir.Imm8(20));
const IR::U32 sum = ir.Add(ir.Add(rotated_n, top_m), top_a);
const IR::U32 result = ir.RotateRight(sum, ir.Imm8(25));
const IR::U128 zero_vector = ir.ZeroVector();
const IR::U128 vector_result = ir.VectorSetElement(32, zero_vector, 3, result);
ir.SetQ(Vd, vector_result);
return true;
}
} // namespace Dynarmic::A64