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PPTC & Pool Enhancements. (#1968)

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* PPTC & Pool Enhancements.

* Avoid buffer allocations in CodeGenContext.GetCode(). Avoid stream allocations in PTC.PtcInfo.

Refactoring/nits.

* Use XXHash128, for Ptc.Load & Ptc.Save, x10 faster than Md5.

* Why not a nice Span.

* Added a simple PtcFormatter library for deserialization/serialization, which does not require reflection, in use at PtcJumpTable and PtcProfiler; improves maintainability and simplicity/readability of affected code.

* Nits.

* Revert #1987.

* Revert "Revert #1987."

This reverts commit 998be765cf.
This commit is contained in:
LDj3SNuD
2021-02-22 03:23:48 +01:00
committed by GitHub
parent 1586880114
commit dc0adb533d
20 changed files with 777 additions and 603 deletions
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15
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();
}
}
@ -84,7 +86,7 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
{
NumberLocals(cfg);
AllocationContext context = new AllocationContext(stackAlloc, regMasks, _intervals.Count);
using AllocationContext context = new AllocationContext(stackAlloc, regMasks, _intervals.Count);
BuildIntervals(cfg, context);
@ -127,14 +129,7 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
InsertSplitCopies();
InsertSplitCopiesAtEdges(cfg);
AllocationResult result = new AllocationResult(
context.IntUsedRegisters,
context.VecUsedRegisters,
context.StackAlloc.TotalSize);
context.Dispose();
return result;
return new AllocationResult(context.IntUsedRegisters, context.VecUsedRegisters, context.StackAlloc.TotalSize);
}
private void AllocateInterval(AllocationContext context, LiveInterval current, int cIndex)