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https://github.com/Ryujinx/Ryujinx.git
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Improve static branch prediction along fast path for memory accesses (#1484)
* Improve static branch prediction along fast path for memory accesses * Set PPTC interval version
This commit is contained in:
parent
2cb8bd7006
commit
92f7f163ef
2 changed files with 38 additions and 50 deletions
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@ -124,21 +124,12 @@ namespace ARMeilleure.Instructions
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private static void EmitReadInt(ArmEmitterContext context, Operand address, int rt, int size)
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private static void EmitReadInt(ArmEmitterContext context, Operand address, int rt, int size)
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{
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{
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Operand isUnalignedAddr = EmitAddressCheck(context, address, size);
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Operand lblFastPath = Label();
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Operand lblSlowPath = Label();
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Operand lblSlowPath = Label();
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Operand lblEnd = Label();
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Operand lblEnd = Label();
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context.BranchIfFalse(lblFastPath, isUnalignedAddr);
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Operand isUnalignedAddr = EmitAddressCheck(context, address, size);
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context.MarkLabel(lblSlowPath);
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context.BranchIfTrue(lblSlowPath, isUnalignedAddr);
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EmitReadIntFallback(context, address, rt, size);
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context.Branch(lblEnd);
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context.MarkLabel(lblFastPath);
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Operand physAddr = EmitPtPointerLoad(context, address, lblSlowPath, write: false);
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Operand physAddr = EmitPtPointerLoad(context, address, lblSlowPath, write: false);
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@ -154,6 +145,12 @@ namespace ARMeilleure.Instructions
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SetInt(context, rt, value);
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SetInt(context, rt, value);
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context.Branch(lblEnd);
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context.MarkLabel(lblSlowPath);
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EmitReadIntFallback(context, address, rt, size);
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context.MarkLabel(lblEnd);
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context.MarkLabel(lblEnd);
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}
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}
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@ -195,21 +192,12 @@ namespace ARMeilleure.Instructions
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int elem,
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int elem,
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int size)
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int size)
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{
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{
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Operand isUnalignedAddr = EmitAddressCheck(context, address, size);
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Operand lblFastPath = Label();
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Operand lblSlowPath = Label();
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Operand lblSlowPath = Label();
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Operand lblEnd = Label();
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Operand lblEnd = Label();
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context.BranchIfFalse(lblFastPath, isUnalignedAddr);
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Operand isUnalignedAddr = EmitAddressCheck(context, address, size);
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context.MarkLabel(lblSlowPath);
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context.BranchIfTrue(lblSlowPath, isUnalignedAddr);
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EmitReadVectorFallback(context, address, vector, rt, elem, size);
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context.Branch(lblEnd);
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context.MarkLabel(lblFastPath);
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Operand physAddr = EmitPtPointerLoad(context, address, lblSlowPath, write: false);
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Operand physAddr = EmitPtPointerLoad(context, address, lblSlowPath, write: false);
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@ -226,6 +214,12 @@ namespace ARMeilleure.Instructions
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context.Copy(GetVec(rt), value);
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context.Copy(GetVec(rt), value);
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context.Branch(lblEnd);
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context.MarkLabel(lblSlowPath);
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EmitReadVectorFallback(context, address, vector, rt, elem, size);
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context.MarkLabel(lblEnd);
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context.MarkLabel(lblEnd);
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}
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}
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@ -236,21 +230,12 @@ namespace ARMeilleure.Instructions
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private static void EmitWriteInt(ArmEmitterContext context, Operand address, int rt, int size)
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private static void EmitWriteInt(ArmEmitterContext context, Operand address, int rt, int size)
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{
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{
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Operand isUnalignedAddr = EmitAddressCheck(context, address, size);
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Operand lblFastPath = Label();
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Operand lblSlowPath = Label();
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Operand lblSlowPath = Label();
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Operand lblEnd = Label();
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Operand lblEnd = Label();
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context.BranchIfFalse(lblFastPath, isUnalignedAddr);
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Operand isUnalignedAddr = EmitAddressCheck(context, address, size);
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context.MarkLabel(lblSlowPath);
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context.BranchIfTrue(lblSlowPath, isUnalignedAddr);
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EmitWriteIntFallback(context, address, rt, size);
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context.Branch(lblEnd);
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context.MarkLabel(lblFastPath);
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Operand physAddr = EmitPtPointerLoad(context, address, lblSlowPath, write: true);
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Operand physAddr = EmitPtPointerLoad(context, address, lblSlowPath, write: true);
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@ -269,6 +254,12 @@ namespace ARMeilleure.Instructions
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case 3: context.Store (physAddr, value); break;
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case 3: context.Store (physAddr, value); break;
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}
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}
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context.Branch(lblEnd);
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context.MarkLabel(lblSlowPath);
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EmitWriteIntFallback(context, address, rt, size);
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context.MarkLabel(lblEnd);
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context.MarkLabel(lblEnd);
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}
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}
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@ -318,21 +309,12 @@ namespace ARMeilleure.Instructions
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int elem,
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int elem,
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int size)
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int size)
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{
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{
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Operand isUnalignedAddr = EmitAddressCheck(context, address, size);
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Operand lblFastPath = Label();
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Operand lblSlowPath = Label();
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Operand lblSlowPath = Label();
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Operand lblEnd = Label();
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Operand lblEnd = Label();
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context.BranchIfFalse(lblFastPath, isUnalignedAddr);
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Operand isUnalignedAddr = EmitAddressCheck(context, address, size);
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context.MarkLabel(lblSlowPath);
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context.BranchIfTrue(lblSlowPath, isUnalignedAddr);
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EmitWriteVectorFallback(context, address, rt, elem, size);
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context.Branch(lblEnd);
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context.MarkLabel(lblFastPath);
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Operand physAddr = EmitPtPointerLoad(context, address, lblSlowPath, write: true);
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Operand physAddr = EmitPtPointerLoad(context, address, lblSlowPath, write: true);
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@ -342,11 +324,17 @@ namespace ARMeilleure.Instructions
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{
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{
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case 0: context.Store8 (physAddr, context.VectorExtract8(value, elem)); break;
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case 0: context.Store8 (physAddr, context.VectorExtract8(value, elem)); break;
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case 1: context.Store16(physAddr, context.VectorExtract16(value, elem)); break;
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case 1: context.Store16(physAddr, context.VectorExtract16(value, elem)); break;
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case 2: context.Store (physAddr, context.VectorExtract(OperandType.FP32, value, elem)); break;
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case 2: context.Store (physAddr, context.VectorExtract(OperandType.I32, value, elem)); break;
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case 3: context.Store (physAddr, context.VectorExtract(OperandType.FP64, value, elem)); break;
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case 3: context.Store (physAddr, context.VectorExtract(OperandType.I64, value, elem)); break;
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case 4: context.Store (physAddr, value); break;
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case 4: context.Store (physAddr, value); break;
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}
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}
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context.Branch(lblEnd);
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context.MarkLabel(lblSlowPath);
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EmitWriteVectorFallback(context, address, rt, elem, size);
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context.MarkLabel(lblEnd);
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context.MarkLabel(lblEnd);
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}
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}
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@ -21,7 +21,7 @@ namespace ARMeilleure.Translation.PTC
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{
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{
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private const string HeaderMagic = "PTChd";
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private const string HeaderMagic = "PTChd";
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private const int InternalVersion = 1471; //! To be incremented manually for each change to the ARMeilleure project.
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private const int InternalVersion = 1484; //! To be incremented manually for each change to the ARMeilleure project.
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private const string ActualDir = "0";
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private const string ActualDir = "0";
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private const string BackupDir = "1";
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private const string BackupDir = "1";
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