private TranslatedSub TranslateHighCq(long position, ExecutionMode mode, bool isComplete)
{
Block graph = Decoder.DecodeSubroutine(_memory, position, mode);
ILEmitterCtx context = new ILEmitterCtx(_memory, _cache, _queue, TranslationTier.Tier1, graph);
ILBlock[] ilBlocks = context.GetILBlocks();
string subName = GetSubroutineName(position);
bool isAarch64 = mode == ExecutionMode.Aarch64;
isComplete &= !context.HasIndirectJump;
ILMethodBuilder ilMthdBuilder = new ILMethodBuilder(ilBlocks, subName, isAarch64, isComplete);
TranslatedSub subroutine = ilMthdBuilder.GetSubroutine(TranslationTier.Tier1, context.HasSlowCall);
int ilOpCount = 0;
foreach (ILBlock ilBlock in ilBlocks)
{
ilOpCount += ilBlock.Count;
}
ForceAheadOfTimeCompilation(subroutine);
_cache.AddOrUpdate(position, subroutine, ilOpCount);
return(subroutine);
}
private void TranslateHighCq(long position, ExecutionMode mode)
{
Block graph = Decoder.DecodeSubroutine(_memory, position, mode);
ILEmitterCtx context = new ILEmitterCtx(_cache, _queue, TranslationTier.Tier1, graph);
ILBlock[] ilBlocks = context.GetILBlocks();
string subName = GetSubroutineName(position);
ILMethodBuilder ilMthdBuilder = new ILMethodBuilder(ilBlocks, subName);
TranslatedSub subroutine = ilMthdBuilder.GetSubroutine(TranslationTier.Tier1);
int ilOpCount = 0;
foreach (ILBlock ilBlock in ilBlocks)
{
ilOpCount += ilBlock.Count;
}
_cache.AddOrUpdate(position, subroutine, ilOpCount);
ForceAheadOfTimeCompilation(subroutine);
}
public void Emit(ILMethodBuilder context)
{
long intOutputs = context.LocalAlloc.GetIntOutputs(_block);
long vecOutputs = context.LocalAlloc.GetVecOutputs(_block);
StoreLocals(context, intOutputs, RegisterType.Int);
StoreLocals(context, vecOutputs, RegisterType.Vector);
}
public Label GetLabel(ILMethodBuilder context)
{
if (!_hasLabel)
{
_lbl = context.Generator.DefineLabel();
_hasLabel = true;
}
return(_lbl);
}
private void EmitStloc(ILMethodBuilder context, int index, RegisterType registerType)
{
Register reg = new Register(index, registerType);
if (registerType == RegisterType.Int &&
RegisterSize == RegisterSize.Int32)
{
context.Generator.Emit(OpCodes.Conv_U8);
}
context.Generator.EmitStloc(context.GetLocalIndex(reg));
}
public void Emit(ILMethodBuilder context)
{
switch (_type)
{
case ConstType.Int32: context.Generator.EmitLdc_I4(_value.I4); break;
case ConstType.Int64: context.Generator.Emit(OpCodes.Ldc_I8, _value.I8); break;
case ConstType.Single: context.Generator.Emit(OpCodes.Ldc_R4, _value.R4); break;
case ConstType.Double: context.Generator.Emit(OpCodes.Ldc_R8, _value.R8); break;
}
}
public void Emit(ILMethodBuilder context)
{
switch (IoType)
{
case IoType.Arg: context.Generator.EmitStarg(Index); break;
case IoType.Flag: EmitStloc(context, Index, RegisterType.Flag); break;
case IoType.Int: EmitStloc(context, Index, RegisterType.Int); break;
case IoType.Vector: EmitStloc(context, Index, RegisterType.Vector); break;
}
}
private TranslatedSub TranslateLowCq(long position, ExecutionMode mode)
{
Block block = Decoder.DecodeBasicBlock(_memory, position, mode);
ILEmitterCtx context = new ILEmitterCtx(_cache, _queue, TranslationTier.Tier0, block);
string subName = GetSubroutineName(position);
ILMethodBuilder ilMthdBuilder = new ILMethodBuilder(context.GetILBlocks(), subName);
TranslatedSub subroutine = ilMthdBuilder.GetSubroutine(TranslationTier.Tier0);
return(_cache.GetOrAdd(position, subroutine, block.OpCodes.Count));
}
public void Emit(ILMethodBuilder context)
{
long intInputs = context.RegUsage.GetIntInputs(_block);
long vecInputs = context.RegUsage.GetVecInputs(_block);
if (Optimizations.AssumeStrictAbiCompliance && context.IsSubComplete)
{
intInputs = RegisterUsage.ClearCallerSavedIntRegs(intInputs, context.IsAarch64);
vecInputs = RegisterUsage.ClearCallerSavedVecRegs(vecInputs, context.IsAarch64);
}
LoadLocals(context, intInputs, RegisterType.Int);
LoadLocals(context, vecInputs, RegisterType.Vector);
}
private void StoreLocals(ILMethodBuilder context, long outputs, RegisterType baseType)
{
for (int bit = 0; bit < 64; bit++)
{
long mask = 1L << bit;
if ((outputs & mask) != 0)
{
Register reg = ILMethodBuilder.GetRegFromBit(bit, baseType);
context.Generator.EmitLdarg(TranslatedSub.StateArgIdx);
context.Generator.EmitLdloc(context.GetLocalIndex(reg));
context.Generator.Emit(OpCodes.Stfld, reg.GetField());
}
}
}
public void Add(IILEmit emitter)
{
if (emitter is ILBarrier)
{
//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 (emitter is ILOpCodeLoad ld && ILMethodBuilder.IsRegIndex(ld.Index))
{
switch (ld.IoType)
{
case IoType.Flag: IntInputs |= ((1L << ld.Index) << 32) & ~IntAwOutputs; break;
case IoType.Int: IntInputs |= (1L << ld.Index) & ~IntAwOutputs; break;
case IoType.Vector: VecInputs |= (1L << ld.Index) & ~VecAwOutputs; break;
}
}
public void Emit(ILMethodBuilder context)
{
long intOutputs = context.RegUsage.GetIntOutputs(_block);
long vecOutputs = context.RegUsage.GetVecOutputs(_block);
if (Optimizations.AssumeStrictAbiCompliance && context.IsSubComplete)
{
intOutputs = RegisterUsage.ClearCallerSavedIntRegs(intOutputs, context.IsAarch64);
vecOutputs = RegisterUsage.ClearCallerSavedVecRegs(vecOutputs, context.IsAarch64);
}
if (_callSub != null)
{
//Those register are assigned on the callee function, without
//reading it's value first. We don't need to write them because
//they are not going to be read on the callee.
intOutputs &= ~_callSub.IntNiRegsMask;
vecOutputs &= ~_callSub.VecNiRegsMask;
}
StoreLocals(context, intOutputs, RegisterType.Int);
StoreLocals(context, vecOutputs, RegisterType.Vector);
}
public void Emit(ILMethodBuilder context)
{
context.Generator.Emit(OpCodes.Call, _mthdInfo);
}
public void Emit(ILMethodBuilder context)
{
context.Generator.Emit(OpCodes.Ldfld, Info);
}
public void Emit(ILMethodBuilder context)
{
context.Generator.MarkLabel(GetLabel(context));
}
public void Emit(ILMethodBuilder context)
{
context.Generator.Emit(_ilOp, _label.GetLabel(context));
}
public void Emit(ILMethodBuilder context)
{
context.Generator.Emit(IsVirtual ? OpCodes.Callvirt : OpCodes.Call, Info);
}
public void Emit(ILMethodBuilder context)
{
context.Generator.Emit(_ilOp);
}