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Add FABD (scalar), ADCS, SBCS instructions, update config with better default control mappings, update readme with the new mappings

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This commit is contained in:
gdkchan 2018-02-24 18:47:08 -03:00
parent c02a2b510f
commit 31b35a9645
8 changed files with 138 additions and 81 deletions
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30
ChocolArm64/Instruction/AInstEmitAlu.cs
View file

@ -11,7 +11,10 @@ namespace ChocolArm64.Instruction
{
static partial class AInstEmit
{
public static void Adc(AILEmitterCtx Context)
public static void Adc(AILEmitterCtx Context) => EmitAdc(Context, false);
public static void Adcs(AILEmitterCtx Context) => EmitAdc(Context, true);
private static void EmitAdc(AILEmitterCtx Context, bool SetFlags)
{
EmitDataLoadOpers(Context);
@ -27,11 +30,19 @@ namespace ChocolArm64.Instruction
if (Context.CurrOp.RegisterSize != ARegisterSize.Int32)
{
Context.Emit(OpCodes.Conv_I8);
Context.Emit(OpCodes.Conv_U8);
}
Context.Emit(OpCodes.Add);
if (SetFlags)
{
Context.EmitZNFlagCheck();
EmitAddsCCheck(Context);
EmitAddsVCheck(Context);
}
EmitDataStore(Context);
}
@ -145,7 +156,10 @@ namespace ChocolArm64.Instruction
public static void Lslv(AILEmitterCtx Context) => EmitDataOpShift(Context, OpCodes.Shl);
public static void Lsrv(AILEmitterCtx Context) => EmitDataOpShift(Context, OpCodes.Shr_Un);
public static void Sbc(AILEmitterCtx Context)
public static void Sbc(AILEmitterCtx Context) => EmitSbc(Context, false);
public static void Sbcs(AILEmitterCtx Context) => EmitSbc(Context, true);
private static void EmitSbc(AILEmitterCtx Context, bool SetFlags)
{
EmitDataLoadOpers(Context);
@ -165,11 +179,19 @@ namespace ChocolArm64.Instruction
if (Context.CurrOp.RegisterSize != ARegisterSize.Int32)
{
Context.Emit(OpCodes.Conv_I8);
Context.Emit(OpCodes.Conv_U8);
}
Context.Emit(OpCodes.Sub);
if (SetFlags)
{
Context.EmitZNFlagCheck();
EmitSbcsCCheck(Context);
EmitSubsVCheck(Context);
}
EmitDataStore(Context);
}

19
ChocolArm64/Instruction/AInstEmitAluHelper.cs
View file

@ -41,6 +41,25 @@ namespace ChocolArm64.Instruction
Context.EmitStflg((int)APState.VBit);
}
public static void EmitSbcsCCheck(AILEmitterCtx Context)
{
//C = (Rn == Rm && CIn) || Rn > Rm
EmitDataLoadOpers(Context);
Context.Emit(OpCodes.Ceq);
Context.EmitLdflg((int)APState.CBit);
Context.Emit(OpCodes.And);
EmitDataLoadOpers(Context);
Context.Emit(OpCodes.Cgt_Un);
Context.Emit(OpCodes.Or);
Context.EmitStflg((int)APState.CBit);
}
public static void EmitSubsCCheck(AILEmitterCtx Context)
{
//C = Rn == Rm || Rn > Rm = !(Rn < Rm)

45
ChocolArm64/Instruction/AInstEmitSimdArithmetic.cs
View file

@ -101,6 +101,16 @@ namespace ChocolArm64.Instruction
}
}
public static void Fabd_S(AILEmitterCtx Context)
{
EmitScalarBinaryOpF(Context, () =>
{
Context.Emit(OpCodes.Sub);
EmitUnaryMathCall(Context, nameof(Math.Abs));
});
}
public static void Fabs_S(AILEmitterCtx Context)
{
EmitScalarUnaryOpF(Context, () =>
@ -269,26 +279,25 @@ namespace ChocolArm64.Instruction
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
EmitVectorExtractF(Context, Op.Rn, 0, Op.Size);
Context.EmitLdarg(ATranslatedSub.StateArgIdx);
Context.EmitCallPropGet(typeof(AThreadState), nameof(AThreadState.Fpcr));
if (Op.Size == 0)
EmitScalarUnaryOpF(Context, () =>
{
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.RoundF));
}
else if (Op.Size == 1)
{
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.Round));
}
else
{
throw new InvalidOperationException();
}
Context.EmitLdarg(ATranslatedSub.StateArgIdx);
EmitScalarSetF(Context, Op.Rd, Op.Size);
Context.EmitCallPropGet(typeof(AThreadState), nameof(AThreadState.Fpcr));
if (Op.Size == 0)
{
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.RoundF));
}
else if (Op.Size == 1)
{
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.Round));
}
else
{
throw new InvalidOperationException();
}
});
}
public static void Fsqrt_S(AILEmitterCtx Context)

32
ChocolArm64/Instruction/AInstEmitSimdHelper.cs
View file

@ -36,20 +36,18 @@ namespace ChocolArm64.Instruction
{
IAOpCodeSimd Op = (IAOpCodeSimd)Context.CurrOp;
int SizeF = Op.Size & 1;
MethodInfo MthdInfo;
if (Op.Size == 0)
if (SizeF == 0)
{
MthdInfo = typeof(MathF).GetMethod(Name, new Type[] { typeof(float) });
}
else if (Op.Size == 1)
else /* if (SizeF == 1) */
{
MthdInfo = typeof(Math).GetMethod(Name, new Type[] { typeof(double) });
}
else
{
throw new InvalidOperationException();
}
Context.EmitCall(MthdInfo);
}
@ -58,20 +56,18 @@ namespace ChocolArm64.Instruction
{
IAOpCodeSimd Op = (IAOpCodeSimd)Context.CurrOp;
int SizeF = Op.Size & 1;
MethodInfo MthdInfo;
if (Op.Size == 0)
if (SizeF == 0)
{
MthdInfo = typeof(MathF).GetMethod(Name, new Type[] { typeof(float), typeof(float) });
}
else if (Op.Size == 1)
else /* if (SizeF == 1) */
{
MthdInfo = typeof(Math).GetMethod(Name, new Type[] { typeof(double), typeof(double) });
}
else
{
throw new InvalidOperationException();
}
Context.EmitCall(MthdInfo);
}
@ -80,28 +76,26 @@ namespace ChocolArm64.Instruction
{
IAOpCodeSimd Op = (IAOpCodeSimd)Context.CurrOp;
int SizeF = Op.Size & 1;
Context.EmitLdc_I4((int)RoundMode);
MethodInfo MthdInfo;
Type[] Types = new Type[] { null, typeof(MidpointRounding) };
Types[0] = Op.Size == 0
Types[0] = SizeF == 0
? typeof(float)
: typeof(double);
if (Op.Size == 0)
if (SizeF == 0)
{
MthdInfo = typeof(MathF).GetMethod(nameof(MathF.Round), Types);
}
else if (Op.Size == 1)
else /* if (SizeF == 1) */
{
MthdInfo = typeof(Math).GetMethod(nameof(Math.Round), Types);
}
else
{
throw new InvalidOperationException();
}
Context.EmitCall(MthdInfo);
}