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emit_arm64_cryptography: Fix sha256h2

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Merry 2022-08-07 13:05:51 +01:00 committed by merry
parent d4b98c7be4
commit 1badc92456
1 changed files with 10 additions and 4 deletions
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14
src/dynarmic/backend/arm64/emit_arm64_cryptography.cpp
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@ -123,15 +123,21 @@ void EmitIR<IR::Opcode::SM4AccessSubstitutionBox>(oaknut::CodeGenerator& code, E
template<>
void EmitIR<IR::Opcode::SHA256Hash>(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
auto Qx = ctx.reg_alloc.ReadWriteQ(args[0], inst);
auto Qy = ctx.reg_alloc.ReadQ(args[1]);
auto Qz = ctx.reg_alloc.ReadQ(args[2]);
const bool part1 = args[3].GetImmediateU1();
RegAlloc::Realize(Qx, Qy, Qz);
if (part1) {
auto Qx = ctx.reg_alloc.ReadWriteQ(args[0], inst);
auto Qy = ctx.reg_alloc.ReadQ(args[1]);
auto Qz = ctx.reg_alloc.ReadQ(args[2]);
RegAlloc::Realize(Qx, Qy, Qz);
code.SHA256H(Qx, Qy, Qz->S4());
} else {
auto Qx = ctx.reg_alloc.ReadQ(args[0]);
auto Qy = ctx.reg_alloc.ReadWriteQ(args[1], inst);
auto Qz = ctx.reg_alloc.ReadQ(args[2]);
RegAlloc::Realize(Qx, Qy, Qz);
code.SHA256H2(Qy, Qx, Qz->S4()); // Yes x and y are swapped
}
}