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Fix memory tracking performance regression (#2026)
* Fix memory tracking performance regression * Set PTC version
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715b605e95
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@ -334,14 +334,14 @@ namespace ARMeilleure.Instructions
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{
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if (write)
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{
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pte = context.ShiftLeft(pte, Const(1));
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context.BranchIf(lblSlowPath, pte, Const(0L), Comparison.LessOrEqual);
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pte = context.ShiftRightUI(pte, Const(1));
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pte = context.BitwiseAnd(pte, Const(0xffffffffffffUL)); // Ignore any software protection bits. (they are still used by C# memory access)
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}
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else
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{
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pte = context.ShiftLeft(pte, Const(1));
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context.BranchIf(lblSlowPath, pte, Const(0L), Comparison.LessOrEqual);
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pte = context.BitwiseAnd(pte, Const(0xffffffffffffUL)); // Ignore any software protection bits. (they are still used by C# memory access)
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pte = context.ShiftRightUI(pte, Const(1));
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}
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}
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else
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@ -22,7 +22,7 @@ namespace ARMeilleure.Translation.PTC
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{
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private const string HeaderMagic = "PTChd";
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private const int InternalVersion = 1987; //! To be incremented manually for each change to the ARMeilleure project.
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private const int InternalVersion = 2026; //! 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 BackupDir = "1";
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@ -561,7 +561,7 @@ namespace Ryujinx.Cpu
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long tag = protection switch
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{
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MemoryPermission.None => 0L,
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MemoryPermission.Read => 2L << PointerTagBit,
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MemoryPermission.Write => 2L << PointerTagBit,
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_ => 3L << PointerTagBit
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};
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@ -631,7 +631,7 @@ namespace Ryujinx.Cpu
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// tracking using host guard pages in future, but also supporting platforms where this is not possible.
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// Write tag includes read protection, since we don't have any read actions that aren't performed before write too.
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long tag = (write ? 3L : 2L) << PointerTagBit;
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long tag = (write ? 3L : 1L) << PointerTagBit;
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ulong endVa = (va + size + PageMask) & ~(ulong)PageMask;
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