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Optimize x64 loads and stores using complex addressing modes (#972)

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* Optimize x64 loads and stores using complex addressing modes

* This was meant to be used for testing
This commit is contained in:
gdkchan 2020-03-09 19:29:34 -03:00 • committed by GitHub
parent e2bb5e8091
commit 61d79facd1
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GPG key ID: 4AEE18F83AFDEB23
10 changed files with 538 additions and 86 deletions
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152
ARMeilleure/IntermediateRepresentation/Node.cs
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@ -58,34 +58,18 @@ namespace ARMeilleure.IntermediateRepresentation
public void SetDestination(int index, Operand destination)
{
Operand oldOp = _destinations[index];
RemoveAssignment(_destinations[index]);
if (oldOp != null && oldOp.Kind == OperandKind.LocalVariable)
{
oldOp.Assignments.Remove(this);
}
if (destination != null && destination.Kind == OperandKind.LocalVariable)
{
destination.Assignments.Add(this);
}
AddAssignment(destination);
_destinations[index] = destination;
}
public void SetSource(int index, Operand source)
{
Operand oldOp = _sources[index];
RemoveUse(_sources[index]);
if (oldOp != null && oldOp.Kind == OperandKind.LocalVariable)
{
oldOp.Uses.Remove(this);
}
if (source != null && source.Kind == OperandKind.LocalVariable)
{
source.Uses.Add(this);
}
AddUse(source);
_sources[index] = source;
}
@ -96,12 +80,7 @@ namespace ARMeilleure.IntermediateRepresentation
{
for (int index = 0; index < _destinations.Length; index++)
{
Operand oldOp = _destinations[index];
if (oldOp != null && oldOp.Kind == OperandKind.LocalVariable)
{
oldOp.Assignments.Remove(this);
}
RemoveAssignment(_destinations[index]);
}
_destinations = destinations;
@ -117,10 +96,7 @@ namespace ARMeilleure.IntermediateRepresentation
_destinations[index] = newOp;
if (newOp.Kind == OperandKind.LocalVariable)
{
newOp.Assignments.Add(this);
}
AddAssignment(newOp);
}
}
@ -128,12 +104,7 @@ namespace ARMeilleure.IntermediateRepresentation
{
for (int index = 0; index < _sources.Length; index++)
{
Operand oldOp = _sources[index];
if (oldOp != null && oldOp.Kind == OperandKind.LocalVariable)
{
oldOp.Uses.Remove(this);
}
RemoveUse(_sources[index]);
}
_sources = new Operand[sources.Length];
@ -144,9 +115,114 @@ namespace ARMeilleure.IntermediateRepresentation
_sources[index] = newOp;
if (newOp.Kind == OperandKind.LocalVariable)
AddUse(newOp);
}
}
private void AddAssignment(Operand op)
{
if (op == null)
{
return;
}
if (op.Kind == OperandKind.LocalVariable)
{
op.Assignments.Add(this);
}
else if (op.Kind == OperandKind.Memory)
{
MemoryOperand memOp = (MemoryOperand)op;
if (memOp.BaseAddress != null)
{
newOp.Uses.Add(this);
memOp.BaseAddress.Assignments.Add(this);
}
if (memOp.Index != null)
{
memOp.Index.Assignments.Add(this);
}
}
}
private void RemoveAssignment(Operand op)
{
if (op == null)
{
return;
}
if (op.Kind == OperandKind.LocalVariable)
{
op.Assignments.Remove(this);
}
else if (op.Kind == OperandKind.Memory)
{
MemoryOperand memOp = (MemoryOperand)op;
if (memOp.BaseAddress != null)
{
memOp.BaseAddress.Assignments.Remove(this);
}
if (memOp.Index != null)
{
memOp.Index.Assignments.Remove(this);
}
}
}
private void AddUse(Operand op)
{
if (op == null)
{
return;
}
if (op.Kind == OperandKind.LocalVariable)
{
op.Uses.Add(this);
}
else if (op.Kind == OperandKind.Memory)
{
MemoryOperand memOp = (MemoryOperand)op;
if (memOp.BaseAddress != null)
{
memOp.BaseAddress.Uses.Add(this);
}
if (memOp.Index != null)
{
memOp.Index.Uses.Add(this);
}
}
}
private void RemoveUse(Operand op)
{
if (op == null)
{
return;
}
if (op.Kind == OperandKind.LocalVariable)
{
op.Uses.Remove(this);
}
else if (op.Kind == OperandKind.Memory)
{
MemoryOperand memOp = (MemoryOperand)op;
if (memOp.BaseAddress != null)
{
memOp.BaseAddress.Uses.Remove(this);
}
if (memOp.Index != null)
{
memOp.Index.Uses.Remove(this);
}
}
}