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Replace LinkedList by IntrusiveList to avoid allocations on JIT (#931)

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* Replace LinkedList by IntrusiveList to avoid allocations on JIT

* Fix wrong replacements
This commit is contained in:
gdkchan 2020-02-17 18:30:54 -03:00 • committed by GitHub
parent e9a37ca6a8
commit e5f78fb1d4
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GPG key ID: 4AEE18F83AFDEB23
18 changed files with 365 additions and 198 deletions
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12
ARMeilleure/CodeGen/RegisterAllocators/HybridAllocator.cs
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@ -95,7 +95,7 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
bool hasCall = false;
foreach (Node node in block.Operations)
for (Node node = block.Operations.First; node != null; node = node.ListNext)
{
if (node is Operation operation && operation.Instruction == Instruction.Call)
{
@ -176,10 +176,8 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
intLocalFreeRegisters &= ~(intSpillTempRegisters | intCallerSavedRegisters);
vecLocalFreeRegisters &= ~(vecSpillTempRegisters | vecCallerSavedRegisters);
for (LinkedListNode<Node> llNode = block.Operations.First; llNode != null; llNode = llNode.Next)
for (Node node = block.Operations.First; node != null; node = node.ListNext)
{
Node node = llNode.Value;
int intLocalUse = 0;
int vecLocalUse = 0;
@ -232,7 +230,7 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
Operation fillOp = new Operation(Instruction.Fill, temp, Const(info.SpillOffset));
block.Operations.AddBefore(llNode, fillOp);
block.Operations.AddBefore(node, fillOp);
}
}
@ -306,7 +304,9 @@ namespace ARMeilleure.CodeGen.RegisterAllocators
Operation spillOp = new Operation(Instruction.Spill, null, Const(info.SpillOffset), temp);
llNode = block.Operations.AddAfter(llNode, spillOp);
block.Operations.AddAfter(node, spillOp);
node = spillOp;
}
}