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Implement JIT Arm64 backend (#4114)

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* Implement JIT Arm64 backend

* PPTC version bump

* Address some feedback from Arm64 JIT PR

* Address even more PR feedback

* Remove unused IsPageAligned function

* Sync Qc flag before calls

* Fix comment and remove unused enum

* Address riperiperi PR feedback

* Delete Breakpoint IR instruction that was only implemented for Arm64
This commit is contained in:
gdkchan 2023-01-10 19:16:59 -03:00 • committed by GitHub
parent d16288a2a8
commit 5e0f8e8738
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GPG key ID: 4AEE18F83AFDEB23
61 changed files with 10266 additions and 642 deletions
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41
ARMeilleure/CodeGen/Optimizations/ConstantFolding.cs
View file

@ -90,6 +90,47 @@ namespace ARMeilleure.CodeGen.Optimizations
}
break;
case Instruction.Compare:
if (type == OperandType.I32 &&
operation.GetSource(0).Type == type &&
operation.GetSource(1).Type == type)
{
switch ((Comparison)operation.GetSource(2).Value)
{
case Comparison.Equal:
EvaluateBinaryI32(operation, (x, y) => x == y ? 1 : 0);
break;
case Comparison.NotEqual:
EvaluateBinaryI32(operation, (x, y) => x != y ? 1 : 0);
break;
case Comparison.Greater:
EvaluateBinaryI32(operation, (x, y) => x > y ? 1 : 0);
break;
case Comparison.LessOrEqual:
EvaluateBinaryI32(operation, (x, y) => x <= y ? 1 : 0);
break;
case Comparison.GreaterUI:
EvaluateBinaryI32(operation, (x, y) => (uint)x > (uint)y ? 1 : 0);
break;
case Comparison.LessOrEqualUI:
EvaluateBinaryI32(operation, (x, y) => (uint)x <= (uint)y ? 1 : 0);
break;
case Comparison.GreaterOrEqual:
EvaluateBinaryI32(operation, (x, y) => x >= y ? 1 : 0);
break;
case Comparison.Less:
EvaluateBinaryI32(operation, (x, y) => x < y ? 1 : 0);
break;
case Comparison.GreaterOrEqualUI:
EvaluateBinaryI32(operation, (x, y) => (uint)x >= (uint)y ? 1 : 0);
break;
case Comparison.LessUI:
EvaluateBinaryI32(operation, (x, y) => (uint)x < (uint)y ? 1 : 0);
break;
}
}
break;
case Instruction.Copy:
if (type == OperandType.I32)
{

28
ARMeilleure/CodeGen/Optimizations/Optimizer.cs
View file

@ -44,8 +44,8 @@ namespace ARMeilleure.CodeGen.Optimizations
ConstantFolding.RunPass(node);
Simplification.RunPass(node);
if (DestIsLocalVar(node))
{
if (DestIsSingleLocalVar(node))
{
if (IsPropagableCompare(node))
{
modified |= PropagateCompare(ref buffer, node);
@ -99,20 +99,6 @@ namespace ARMeilleure.CodeGen.Optimizations
while (modified);
}
private static Span<Operation> GetUses(ref Span<Operation> buffer, Operand operand)
{
ReadOnlySpan<Operation> uses = operand.Uses;
if (buffer.Length < uses.Length)
{
buffer = Allocators.Default.AllocateSpan<Operation>((uint)uses.Length);
}
uses.CopyTo(buffer);
return buffer.Slice(0, uses.Length);
}
private static bool PropagateCompare(ref Span<Operation> buffer, Operation compOp)
{
// Try to propagate Compare operations into their BranchIf uses, when these BranchIf uses are in the form
@ -160,7 +146,7 @@ namespace ARMeilleure.CodeGen.Optimizations
Comparison compType = (Comparison)comp.AsInt32();
Span<Operation> uses = GetUses(ref buffer, dest);
Span<Operation> uses = dest.GetUses(ref buffer);
foreach (Operation use in uses)
{
@ -199,7 +185,7 @@ namespace ARMeilleure.CodeGen.Optimizations
Operand dest = copyOp.Destination;
Operand source = copyOp.GetSource(0);
Span<Operation> uses = GetUses(ref buffer, dest);
Span<Operation> uses = dest.GetUses(ref buffer);
foreach (Operation use in uses)
{
@ -231,12 +217,12 @@ namespace ARMeilleure.CodeGen.Optimizations
private static bool IsUnused(Operation node)
{
return DestIsLocalVar(node) && node.Destination.UsesCount == 0 && !HasSideEffects(node);
return DestIsSingleLocalVar(node) && node.Destination.UsesCount == 0 && !HasSideEffects(node);
}
private static bool DestIsLocalVar(Operation node)
private static bool DestIsSingleLocalVar(Operation node)
{
return node.Destination != default && node.Destination.Kind == OperandKind.LocalVariable;
return node.DestinationsCount == 1 && node.Destination.Kind == OperandKind.LocalVariable;
}
private static bool HasSideEffects(Operation node)