aboutsummaryrefslogtreecommitdiff
path: root/src/ARMeilleure/CodeGen/RegisterAllocators/LiveIntervalList.cs
diff options
context:
space:
mode:
authorTSR Berry <20988865+TSRBerry@users.noreply.github.com>2023-04-08 01:22:00 +0200
committerMary <thog@protonmail.com>2023-04-27 23:51:14 +0200
commitcee712105850ac3385cd0091a923438167433f9f (patch)
tree4a5274b21d8b7f938c0d0ce18736d3f2993b11b1 /src/ARMeilleure/CodeGen/RegisterAllocators/LiveIntervalList.cs
parentcd124bda587ef09668a971fa1cac1c3f0cfc9f21 (diff)
Move solution and projects to src
Diffstat (limited to 'src/ARMeilleure/CodeGen/RegisterAllocators/LiveIntervalList.cs')
-rw-r--r--src/ARMeilleure/CodeGen/RegisterAllocators/LiveIntervalList.cs40
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++;
+ }
+ }
+} \ No newline at end of file