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Implement PRFM (register variant) as NOP (#1956)

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* Implement PRFM (register variant) as NOP

Fix typo pfrm -> prfm
Add comments to distinguish variants

* Increment PTC version
This commit is contained in:
mageven 2021-01-26 10:39:27 +05:30 committed by GitHub
parent b0d3f1d06f
commit c19cfca183
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GPG key ID: 4AEE18F83AFDEB23
4 changed files with 7 additions and 6 deletions
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7
ARMeilleure/Decoders/OpCodeTable.cs
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@ -144,9 +144,10 @@ namespace ARMeilleure.Decoders
SetA64("101100100xxxxxxxxxxxxxxxxxxxxxxx", InstName.Orr, InstEmit.Orr, OpCodeAluImm.Create);
SetA64("00101010xx0xxxxx0xxxxxxxxxxxxxxx", InstName.Orr, InstEmit.Orr, OpCodeAluRs.Create);
SetA64("10101010xx0xxxxxxxxxxxxxxxxxxxxx", InstName.Orr, InstEmit.Orr, OpCodeAluRs.Create);
SetA64("1111100110xxxxxxxxxxxxxxxxxxxxxx", InstName.Pfrm, InstEmit.Pfrm, OpCodeMemImm.Create);
SetA64("11111000100xxxxxxxxx00xxxxxxxxxx", InstName.Pfrm, InstEmit.Pfrm, OpCodeMemImm.Create);
SetA64("11011000xxxxxxxxxxxxxxxxxxxxxxxx", InstName.Pfrm, InstEmit.Pfrm, OpCodeMemLit.Create);
SetA64("1111100110xxxxxxxxxxxxxxxxxxxxxx", InstName.Prfm, InstEmit.Prfm, OpCodeMemImm.Create); // immediate
SetA64("11111000100xxxxxxxxx00xxxxxxxxxx", InstName.Prfm, InstEmit.Prfm, OpCodeMemImm.Create); // prfum (unscaled offset)
SetA64("11011000xxxxxxxxxxxxxxxxxxxxxxxx", InstName.Prfm, InstEmit.Prfm, OpCodeMemLit.Create); // literal
SetA64("11111000101xxxxxxxxx10xxxxxxxxxx", InstName.Prfm, InstEmit.Prfm, OpCodeMemReg.Create); // register
SetA64("x101101011000000000000xxxxxxxxxx", InstName.Rbit, InstEmit.Rbit, OpCodeAlu.Create);
SetA64("1101011001011111000000xxxxx00000", InstName.Ret, InstEmit.Ret, OpCodeBReg.Create);
SetA64("x101101011000000000001xxxxxxxxxx", InstName.Rev16, InstEmit.Rev16, OpCodeAlu.Create);

2
ARMeilleure/Instructions/InstEmitMemoryEx.cs
View file

@ -102,7 +102,7 @@ namespace ARMeilleure.Instructions
}
}
public static void Pfrm(ArmEmitterContext context)
public static void Prfm(ArmEmitterContext context)
{
// Memory Prefetch, execute as no-op.
}

2
ARMeilleure/Instructions/InstName.cs
View file

@ -68,7 +68,7 @@ namespace ARMeilleure.Instructions
Nop,
Orn,
Orr,
Pfrm,
Prfm,
Rbit,
Ret,
Rev16,

2
ARMeilleure/Translation/PTC/Ptc.cs
View file

@ -22,7 +22,7 @@ namespace ARMeilleure.Translation.PTC
{
private const string HeaderMagic = "PTChd";
private const int InternalVersion = 1917; //! To be incremented manually for each change to the ARMeilleure project.
private const int InternalVersion = 1956; //! To be incremented manually for each change to the ARMeilleure project.
private const string ActualDir = "0";
private const string BackupDir = "1";