R/ChocolArm64/Translation/AILBlock.cs

76 lines
No EOL
2.6 KiB
C#

using System.Collections.Generic;
namespace ChocolArm64.Translation
{
class AILBlock : IAILEmit
{
public long IntInputs { get; private set; }
public long IntOutputs { get; private set; }
public long IntAwOutputs { get; private set; }
public long VecInputs { get; private set; }
public long VecOutputs { get; private set; }
public long VecAwOutputs { get; private set; }
public bool HasStateStore { get; private set; }
public List<IAILEmit> ILEmitters { get; private set; }
public AILBlock Next { get; set; }
public AILBlock Branch { get; set; }
public AILBlock()
{
ILEmitters = new List<IAILEmit>();
}
public void Add(IAILEmit ILEmitter)
{
if (ILEmitter is AILBarrier)
{
//Those barriers are used to separate the groups of CIL
//opcodes emitted by each ARM instruction.
//We can only consider the new outputs for doing input elimination
//after all the CIL opcodes used by the instruction being emitted.
IntAwOutputs = IntOutputs;
VecAwOutputs = VecOutputs;
}
else if (ILEmitter is AILOpCodeLoad Ld && AILEmitter.IsRegIndex(Ld.Index))
{
switch (Ld.IoType)
{
case AIoType.Flag: IntInputs |= ((1L << Ld.Index) << 32) & ~IntAwOutputs; break;
case AIoType.Int: IntInputs |= (1L << Ld.Index) & ~IntAwOutputs; break;
case AIoType.Vector: VecInputs |= (1L << Ld.Index) & ~VecAwOutputs; break;
}
}
else if (ILEmitter is AILOpCodeStore St)
{
if (AILEmitter.IsRegIndex(St.Index))
{
switch (St.IoType)
{
case AIoType.Flag: IntOutputs |= (1L << St.Index) << 32; break;
case AIoType.Int: IntOutputs |= 1L << St.Index; break;
case AIoType.Vector: VecOutputs |= 1L << St.Index; break;
}
}
if (St.IoType == AIoType.Fields)
{
HasStateStore = true;
}
}
ILEmitters.Add(ILEmitter);
}
public void Emit(AILEmitter Context)
{
foreach (IAILEmit ILEmitter in ILEmitters)
{
ILEmitter.Emit(Context);
}
}
}
}