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Misc. CPU optimizations (#575)

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* Add optimizations related to caller/callee saved registers, thread synchronization and disable tier 0

* Refactoring

* Add a config entry to enable or disable the reg load/store opt.

* Remove unnecessary register state stores for calls when the callee is know

* Rename IoType to VarType

* Enable tier 0 while fixing some perf issues related to tier 0

* Small tweak -- Compile before adding to the cache, to avoid lags

* Add required config entry
This commit is contained in:
gdkchan 2019-02-27 23:03:31 -03:00 • committed by jduncanator
parent 884b4e5fd3
commit e21ebbf666
28 changed files with 456 additions and 280 deletions
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55
ChocolArm64/Translation/TranslatedSub.cs
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@ -10,21 +10,41 @@ namespace ChocolArm64.Translation
class TranslatedSub
{
//This is the minimum amount of calls needed for the method
//to be retranslated with higher quality code. It's only worth
//doing that for hot code.
private const int MinCallCountForOpt = 30;
public ArmSubroutine Delegate { get; private set; }
public static int StateArgIdx { get; private set; }
public static int MemoryArgIdx { get; private set; }
public static int StateArgIdx { get; }
public static int MemoryArgIdx { get; }
public static Type[] FixedArgTypes { get; private set; }
public static Type[] FixedArgTypes { get; }
public DynamicMethod Method { get; private set; }
public DynamicMethod Method { get; }
public TranslationTier Tier { get; private set; }
public TranslationTier Tier { get; }
public TranslatedSub(DynamicMethod method, TranslationTier tier)
public long IntNiRegsMask { get; }
public long VecNiRegsMask { get; }
private bool _isWorthOptimizing;
private int _callCount;
public TranslatedSub(
DynamicMethod method,
long intNiRegsMask,
long vecNiRegsMask,
TranslationTier tier,
bool isWorthOptimizing)
{
Method = method ?? throw new ArgumentNullException(nameof(method));;
Tier = tier;
Method = method ?? throw new ArgumentNullException(nameof(method));;
IntNiRegsMask = intNiRegsMask;
VecNiRegsMask = vecNiRegsMask;
_isWorthOptimizing = isWorthOptimizing;
Tier = tier;
}
static TranslatedSub()
@ -61,5 +81,24 @@ namespace ChocolArm64.Translation
{
return Delegate(threadState, memory);
}
public bool IsWorthOptimizing()
{
if (!_isWorthOptimizing)
{
return false;
}
if (_callCount++ < MinCallCountForOpt)
{
return false;
}
//Only return true once, so that it is
//added to the queue only once.
_isWorthOptimizing = false;
return true;
}
}
}