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emit_arm64_floating_point: Implement ToOdd for FPDoubleToSingle

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Merry 2022-11-26 16:49:21 +00:00 committed by Liam
parent b26588123e
commit 3fd19aac99
1 changed files with 14 additions and 0 deletions
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14
src/dynarmic/backend/arm64/emit_arm64_floating_point.cpp
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@ -575,6 +575,20 @@ void EmitIR<IR::Opcode::FPDoubleToHalf>(oaknut::CodeGenerator& code, EmitContext
template<>
void EmitIR<IR::Opcode::FPDoubleToSingle>(oaknut::CodeGenerator& code, EmitContext& ctx, IR::Inst* inst) {
const auto rounding_mode = static_cast<FP::RoundingMode>(inst->GetArg(1).GetU8());
if (rounding_mode == FP::RoundingMode::ToOdd) {
auto args = ctx.reg_alloc.GetArgumentInfo(inst);
auto Sto = ctx.reg_alloc.WriteS(inst);
auto Dfrom = ctx.reg_alloc.ReadD(args[0]);
RegAlloc::Realize(Sto, Dfrom);
ctx.fpsr.Load();
code.FCVTXN(Sto, Dfrom);
return;
}
EmitConvert<64, 32>(code, ctx, inst, [&](auto& Sto, auto& Dfrom) { code.FCVT(Sto, Dfrom); });
}