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Cached Interpreter: Speculative devirtualization

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This commit is contained in:
TellowKrinkle 2025-09-06 03:31:47 -05:00
parent fce5f7c74e
commit 0cde7ae79b
1 changed files with 18 additions and 3 deletions
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21
Source/Core/Core/PowerPC/CachedInterpreter/CachedInterpreter.cpp
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@ -66,10 +66,25 @@ void CachedInterpreter::ExecuteOneBlock()
while (true)
{
const auto callback = *reinterpret_cast<const AnyCallback*>(normal_entry);
if (const auto distance = callback(ppc_state, normal_entry + sizeof(callback)))
normal_entry += distance;
const u8* payload = normal_entry + sizeof(callback);
// Direct dispatch to the most commonly used callbacks for better performance
if (callback == reinterpret_cast<AnyCallback>(CallbackCast(Interpret<false>))) [[likely]]
{
Interpret<false>(ppc_state, *reinterpret_cast<const InterpretOperands*>(payload));
normal_entry = payload + sizeof(InterpretOperands);
}
else if (callback == reinterpret_cast<AnyCallback>(CallbackCast(Interpret<true>)))
{
Interpret<true>(ppc_state, *reinterpret_cast<const InterpretOperands*>(payload));
normal_entry = payload + sizeof(InterpretOperands);
}
else
break;
{
if (const auto distance = callback(ppc_state, payload))
normal_entry += distance;
else
break;
}
}
}