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Use normal memory store path for DC ZVA (#2693)

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Seems like this is used as an optimized way to clear memory in homebrew applications. Unfortunately, calling the software fallback method every 8 bytes was not very optimal.

The existing EmitStore is used by passing in ZR as the register to get a 0 write.
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riperiperi 2021-09-29 00:21:30 +01:00 committed by GitHub
parent 33dc4c9ce4
commit 1ae690ba2f
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2 changed files with 2 additions and 2 deletions
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2
ARMeilleure/Instructions/InstEmitSystem.cs
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@ -91,7 +91,7 @@ namespace ARMeilleure.Instructions
{ {
Operand address = context.Add(t, Const(offset)); Operand address = context.Add(t, Const(offset));
context.Call(typeof(NativeInterface).GetMethod(nameof(NativeInterface.WriteUInt64)), address, Const(0L)); InstEmitMemoryHelper.EmitStore(context, address, RegisterConsts.ZeroIndex, 3);
} }
break; break;

2
ARMeilleure/Translation/PTC/Ptc.cs
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@ -27,7 +27,7 @@ namespace ARMeilleure.Translation.PTC
private const string OuterHeaderMagicString = "PTCohd\0\0"; private const string OuterHeaderMagicString = "PTCohd\0\0";
private const string InnerHeaderMagicString = "PTCihd\0\0"; private const string InnerHeaderMagicString = "PTCihd\0\0";
private const uint InternalVersion = 2571; //! To be incremented manually for each change to the ARMeilleure project. private const uint InternalVersion = 2693; //! To be incremented manually for each change to the ARMeilleure project.
private const string ActualDir = "0"; private const string ActualDir = "0";
private const string BackupDir = "1"; private const string BackupDir = "1";