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Implement JIT Arm64 backend (#4114)

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* Implement JIT Arm64 backend

* PPTC version bump

* Address some feedback from Arm64 JIT PR

* Address even more PR feedback

* Remove unused IsPageAligned function

* Sync Qc flag before calls

* Fix comment and remove unused enum

* Address riperiperi PR feedback

* Delete Breakpoint IR instruction that was only implemented for Arm64
This commit is contained in:
gdkchan
2023-01-10 19:16:59 -03:00
committed by GitHub
parent d16288a2a8
commit 5e0f8e8738
61 changed files with 10266 additions and 642 deletions
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49
ARMeilleure/Translation/ArmEmitterContext.cs
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@ -39,6 +39,8 @@ namespace ARMeilleure.Translation
}
}
private bool _pendingQcFlagSync;
public OpCode CurrOp { get; set; }
public IMemoryManager Memory { get; }
@ -81,6 +83,8 @@ namespace ARMeilleure.Translation
public override Operand Call(MethodInfo info, params Operand[] callArgs)
{
SyncQcFlag();
if (!HasPtc)
{
return base.Call(info, callArgs);
@ -139,6 +143,51 @@ namespace ARMeilleure.Translation
_optOpLastFlagSet = null;
}
public void SetPendingQcFlagSync()
{
_pendingQcFlagSync = true;
}
public void SyncQcFlag()
{
if (_pendingQcFlagSync)
{
if (Optimizations.UseAdvSimd)
{
Operand fpsr = AddIntrinsicInt(Intrinsic.Arm64MrsFpsr);
uint qcFlagMask = (uint)FPSR.Qc;
Operand qcClearLabel = Label();
BranchIfFalse(qcClearLabel, BitwiseAnd(fpsr, Const(qcFlagMask)));
AddIntrinsicNoRet(Intrinsic.Arm64MsrFpsr, Const(0));
InstEmitHelper.SetFpFlag(this, FPState.QcFlag, Const(1));
MarkLabel(qcClearLabel);
}
_pendingQcFlagSync = false;
}
}
public void ClearQcFlag()
{
if (Optimizations.UseAdvSimd)
{
AddIntrinsicNoRet(Intrinsic.Arm64MsrFpsr, Const(0));
}
}
public void ClearQcFlagIfModified()
{
if (_pendingQcFlagSync && Optimizations.UseAdvSimd)
{
AddIntrinsicNoRet(Intrinsic.Arm64MsrFpsr, Const(0));
}
}
public Operand TryGetComparisonResult(Condition condition)
{
if (_optOpLastCompare == null || _optOpLastCompare != _optOpLastFlagSet)