diff options
| author | TSR Berry <20988865+TSRBerry@users.noreply.github.com> | 2023-04-08 01:22:00 +0200 |
|---|---|---|
| committer | Mary <thog@protonmail.com> | 2023-04-27 23:51:14 +0200 |
| commit | cee712105850ac3385cd0091a923438167433f9f (patch) | |
| tree | 4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /src/ARMeilleure/CodeGen/RegisterAllocators/LiveIntervalList.cs | |
| parent | cd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff) | |
Move solution and projects to src
Diffstat (limited to 'src/ARMeilleure/CodeGen/RegisterAllocators/LiveIntervalList.cs')
| -rw-r--r-- | src/ARMeilleure/CodeGen/RegisterAllocators/LiveIntervalList.cs | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/src/ARMeilleure/CodeGen/RegisterAllocators/LiveIntervalList.cs b/src/ARMeilleure/CodeGen/RegisterAllocators/LiveIntervalList.cs new file mode 100644 index 00000000..06b979ea --- /dev/null +++ b/src/ARMeilleure/CodeGen/RegisterAllocators/LiveIntervalList.cs @@ -0,0 +1,40 @@ +using System; + +namespace ARMeilleure.CodeGen.RegisterAllocators +{ + unsafe struct LiveIntervalList + { + private LiveInterval* _items; + private int _count; + private int _capacity; + + public int Count => _count; + public Span<LiveInterval> Span => new(_items, _count); + + public void Add(LiveInterval interval) + { + if (_count + 1 > _capacity) + { + var oldSpan = Span; + + _capacity = Math.Max(4, _capacity * 2); + _items = Allocators.References.Allocate<LiveInterval>((uint)_capacity); + + var newSpan = Span; + + oldSpan.CopyTo(newSpan); + } + + int position = interval.GetStart(); + int i = _count - 1; + + while (i >= 0 && _items[i].GetStart() > position) + { + _items[i + 1] = _items[i--]; + } + + _items[i + 1] = interval; + _count++; + } + } +}
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