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PPTC & Pool Enhancements.

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This commit is contained in:
LDj3SNuD 2021-01-27 06:21:37 +01:00
parent c4f56c5704
commit d31479a633
15 changed files with 624 additions and 406 deletions
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76
ARMeilleure/CodeGen/RegisterAllocators/LinearScanAllocator.cs
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@ -50,6 +50,8 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
StackAlloc = stackAlloc;
Masks = masks;
BitMapPool.PrepareBitMapPool();
Active = BitMapPool.Allocate(intervalsCount);
Inactive = BitMapPool.Allocate(intervalsCount);
}
@ -73,7 +75,7 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
public void Dispose()
{
BitMapPool.Release();
BitMapPool.ResetBitMapPool();
}
}
@ -84,57 +86,51 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
{
NumberLocals(cfg);
AllocationContext context = new AllocationContext(stackAlloc, regMasks, _intervals.Count);
BuildIntervals(cfg, context);
for (int index = 0; index < _intervals.Count; index++)
using (AllocationContext context = new AllocationContext(stackAlloc, regMasks, _intervals.Count))
{
LiveInterval current = _intervals[index];
BuildIntervals(cfg, context);
if (current.IsEmpty)
for (int index = 0; index < _intervals.Count; index++)
{
continue;
}
LiveInterval current = _intervals[index];
if (current.IsFixed)
{
context.Active.Set(index);
if (current.Register.Type == RegisterType.Integer)
if (current.IsEmpty)
{
context.IntUsedRegisters |= 1 << current.Register.Index;
}
else /* if (interval.Register.Type == RegisterType.Vector) */
{
context.VecUsedRegisters |= 1 << current.Register.Index;
continue;
}
continue;
if (current.IsFixed)
{
context.Active.Set(index);
if (current.Register.Type == RegisterType.Integer)
{
context.IntUsedRegisters |= 1 << current.Register.Index;
}
else /* if (interval.Register.Type == RegisterType.Vector) */
{
context.VecUsedRegisters |= 1 << current.Register.Index;
}
continue;
}
AllocateInterval(context, current, index);
}
AllocateInterval(context, current, index);
}
for (int index = RegistersCount * 2; index < _intervals.Count; index++)
{
if (!_intervals[index].IsSpilled)
for (int index = RegistersCount * 2; index < _intervals.Count; index++)
{
ReplaceLocalWithRegister(_intervals[index]);
if (!_intervals[index].IsSpilled)
{
ReplaceLocalWithRegister(_intervals[index]);
}
}
InsertSplitCopies();
InsertSplitCopiesAtEdges(cfg);
return new AllocationResult(context.IntUsedRegisters, context.VecUsedRegisters, context.StackAlloc.TotalSize);
}
InsertSplitCopies();
InsertSplitCopiesAtEdges(cfg);
AllocationResult result = new AllocationResult(
context.IntUsedRegisters,
context.VecUsedRegisters,
context.StackAlloc.TotalSize);
context.Dispose();
return result;
}
private void AllocateInterval(AllocationContext context, LiveInterval current, int cIndex)