deadcade/Ryujinx
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity

Add FMADD and FMSUB instructions

Browse source
This commit is contained in:
gdkchan 2018-02-07 20:07:16 -03:00
parent 768b573772
commit 79f028e410
3 changed files with 37 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

2
Ryujinx/Cpu/AOpCodeTable.cs
View file

@ -157,6 +157,7 @@ namespace ChocolArm64
Set("x0011110xx011000xxxxxxxxxxxxxxxx", AInstEmit.Fcvtzs_Fix, typeof(AOpCodeSimdCvt));
Set("x0011110xx011001xxxxxxxxxxxxxxxx", AInstEmit.Fcvtzu_Fix, typeof(AOpCodeSimdCvt));
Set("00011110xx1xxxxx000110xxxxxxxxxx", AInstEmit.Fdiv_S, typeof(AOpCodeSimdReg));
Set("00011111xx0xxxxx0xxxxxxxxxxxxxxx", AInstEmit.Fmadd_S, typeof(AOpCodeSimdReg));
Set("00011110xx1xxxxx010010xxxxxxxxxx", AInstEmit.Fmax_S, typeof(AOpCodeSimdReg));
Set("00011110xx1xxxxx011010xxxxxxxxxx", AInstEmit.Fmaxnm_S, typeof(AOpCodeSimdReg));
Set("00011110xx1xxxxx010110xxxxxxxxxx", AInstEmit.Fmin_S, typeof(AOpCodeSimdReg));
@ -170,6 +171,7 @@ namespace ChocolArm64
Set("x0011110xx100111000000xxxxxxxxxx", AInstEmit.Fmov_Itof, typeof(AOpCodeSimdCvt));
Set("x0011110xx101110000000xxxxxxxxxx", AInstEmit.Fmov_Ftoi1, typeof(AOpCodeSimdCvt));
Set("x0011110xx101111000000xxxxxxxxxx", AInstEmit.Fmov_Itof1, typeof(AOpCodeSimdCvt));
Set("00011111xx0xxxxx1xxxxxxxxxxxxxxx", AInstEmit.Fmsub_S, typeof(AOpCodeSimdReg));
Set("00011110xx1xxxxx000010xxxxxxxxxx", AInstEmit.Fmul_S, typeof(AOpCodeSimdReg));
Set("0x1011100x1xxxxx110111xxxxxxxxxx", AInstEmit.Fmul_V, typeof(AOpCodeSimdReg));
Set("0x0011111<<xxxxx1001x0xxxxxxxxxx", AInstEmit.Fmul_Vs, typeof(AOpCodeSimdRegElem));

6
Ryujinx/Cpu/Decoder/AOpCodeSimdReg.cs
View file

@ -4,13 +4,15 @@ namespace ChocolArm64.Decoder
{
class AOpCodeSimdReg : AOpCodeSimd
{
public int Rm { get; private set; }
public bool Bit3 { get; private set; }
public int Ra { get; private set; }
public int Rm { get; private set; }
public AOpCodeSimdReg(AInst Inst, long Position, int OpCode) : base(Inst, Position, OpCode)
{
Rm = (OpCode >> 16) & 0x1f;
Bit3 = ((OpCode >> 3) & 0x1) != 0;
Ra = (OpCode >> 10) & 0x1f;
Rm = (OpCode >> 16) & 0x1f;
}
}
}

31
Ryujinx/Cpu/Instruction/AInstEmitScalar.cs
View file

@ -258,6 +258,20 @@ namespace ChocolArm64.Instruction
public static void Fdiv_S(AILEmitterCtx Context) => EmitScalarOp(Context, OpCodes.Div);
public static void Fmadd_S(AILEmitterCtx Context)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
Context.EmitLdvecsf(Op.Ra);
Context.EmitLdvecsf(Op.Rn);
Context.EmitLdvecsf(Op.Rm);
Context.Emit(OpCodes.Mul);
Context.Emit(OpCodes.Add);
Context.EmitStvecsf(Op.Rd);
}
public static void Fmax_S(AILEmitterCtx Context) => EmitMathOp3(Context, nameof(Math.Max));
public static void Fmin_S(AILEmitterCtx Context) => EmitMathOp3(Context, nameof(Math.Min));
@ -327,6 +341,23 @@ namespace ChocolArm64.Instruction
Context.EmitStvec(Op.Rd);
}
public static void Fmsub_S(AILEmitterCtx Context)
{
AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
Context.EmitLdvecsf(Op.Ra);
Context.EmitLdvecsf(Op.Rn);
Context.Emit(OpCodes.Neg);
Context.EmitLdvecsf(Op.Rm);
Context.Emit(OpCodes.Mul);
Context.Emit(OpCodes.Sub);
Context.EmitStvecsf(Op.Rd);
}
public static void Fmul_S(AILEmitterCtx Context) => EmitScalarOp(Context, OpCodes.Mul);
public static void Fneg_S(AILEmitterCtx Context) => EmitScalarOp(Context, OpCodes.Neg);