Removed parts of the MMU functionality to use memory directly (faster, but potentially more dangerous, WIP), also changed the Shl/Sshr immediate instructions to use IL instead of calling the method

This commit is contained in:
gdkchan 2018-02-07 13:44:48 -03:00
parent d77d691381
commit 18ac1c4045
10 changed files with 89 additions and 188 deletions

View file

@ -361,15 +361,7 @@ namespace ChocolArm64.Instruction
{
AOpCodeSimdShImm Op = (AOpCodeSimdShImm)Context.CurrOp;
Context.EmitLdvec(Op.Rn);
Context.EmitLdc_I4(Op.Imm - (8 << Op.Size));
Context.EmitLdc_I4(Op.Size);
ASoftFallback.EmitCall(Context,
nameof(ASoftFallback.Shl64),
nameof(ASoftFallback.Shl128));
Context.EmitStvec(Op.Rd);
EmitVectorImmBinaryZx(Context, OpCodes.Shl, Op.Imm - (8 << Op.Size));
}
public static void Smax_V(AILEmitterCtx Context) => EmitVectorSmax(Context);
@ -396,15 +388,7 @@ namespace ChocolArm64.Instruction
{
AOpCodeSimdShImm Op = (AOpCodeSimdShImm)Context.CurrOp;
Context.EmitLdvec(Op.Rn);
Context.EmitLdc_I4((8 << (Op.Size + 1)) - Op.Imm);
Context.EmitLdc_I4(Op.Size);
ASoftFallback.EmitCall(Context,
nameof(ASoftFallback.Sshr64),
nameof(ASoftFallback.Sshr128));
Context.EmitStvec(Op.Rd);
EmitVectorImmBinarySx(Context, OpCodes.Shr, (8 << (Op.Size + 1)) - Op.Imm);
}
public static void St__V(AILEmitterCtx Context) => EmitSimdMultLdSt(Context, IsLoad: false);
@ -881,6 +865,55 @@ namespace ChocolArm64.Instruction
}
}
private static void EmitVectorImmBinarySx(AILEmitterCtx Context, OpCode ILOp, long Imm)
{
EmitVectorImmBinarySx(Context, () => Context.Emit(ILOp), Imm);
}
private static void EmitVectorImmBinaryZx(AILEmitterCtx Context, OpCode ILOp, long Imm)
{
EmitVectorImmBinaryZx(Context, () => Context.Emit(ILOp), Imm);
}
private static void EmitVectorImmBinarySx(AILEmitterCtx Context, Action Emit, long Imm)
{
EmitVectorImmBinaryOp(Context, Emit, Imm, true);
}
private static void EmitVectorImmBinaryZx(AILEmitterCtx Context, Action Emit, long Imm)
{
EmitVectorImmBinaryOp(Context, Emit, Imm, false);
}
private static void EmitVectorImmBinaryOp(AILEmitterCtx Context, Action Emit, long Imm, bool Signed)
{
AOpCodeSimdShImm Op = (AOpCodeSimdShImm)Context.CurrOp;
int Bytes = Context.CurrOp.GetBitsCount() >> 3;
for (int Index = 0; Index < (Bytes >> Op.Size); Index++)
{
Context.EmitLdvec(Op.Rd);
Context.EmitLdc_I4(Index);
Context.EmitLdc_I4(Op.Size);
EmitVectorExtract(Context, Op.Rn, Index, Signed);
Context.EmitLdc_I8(Imm);
Emit();
ASoftFallback.EmitCall(Context, nameof(ASoftFallback.InsertVec));
Context.EmitStvec(Op.Rd);
}
if (Op.RegisterSize == ARegisterSize.SIMD64)
{
EmitVectorZeroUpper(Context, Op.Rd);
}
}
private static void EmitVectorCmp(AILEmitterCtx Context, OpCode ILOp)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
@ -936,7 +969,7 @@ namespace ChocolArm64.Instruction
private static void EmitVectorExtract(AILEmitterCtx Context, int Reg, int Index, bool Signed)
{
AOpCodeSimd Op = (AOpCodeSimd)Context.CurrOp;
IAOpCodeSimd Op = (IAOpCodeSimd)Context.CurrOp;
Context.EmitLdvec(Reg);
Context.EmitLdc_I4(Index);

View file

@ -790,32 +790,6 @@ namespace ChocolArm64.Instruction
return Res;
}
public static AVec Shl64(AVec Vector, int Shift, int Size)
{
return Shl(Vector, Shift, Size, 8);
}
public static AVec Shl128(AVec Vector, int Shift, int Size)
{
return Shl(Vector, Shift, Size, 16);
}
private static AVec Shl(AVec Vector, int Shift, int Size, int Bytes)
{
AVec Res = new AVec();
int Elems = Bytes >> Size;
for (int Index = 0; Index < Elems; Index++)
{
ulong Value = ExtractVec(Vector, Index, Size);
Res = InsertVec(Res, Index, Size, Value << Shift);
}
return Res;
}
public static AVec Sshll(AVec Vector, int Shift, int Size)
{
return Sshll_(Vector, Shift, Size, false);
@ -843,32 +817,6 @@ namespace ChocolArm64.Instruction
return Res;
}
public static AVec Sshr64(AVec Vector, int Shift, int Size)
{
return Sshr(Vector, Shift, Size, 8);
}
public static AVec Sshr128(AVec Vector, int Shift, int Size)
{
return Sshr(Vector, Shift, Size, 16);
}
private static AVec Sshr(AVec Vector, int Shift, int Size, int Bytes)
{
AVec Res = new AVec();
int Elems = Bytes >> Size;
for (int Index = 0; Index < Elems; Index++)
{
long Value = ExtractSVec(Vector, Index, Size);
Res = InsertSVec(Res, Index, Size, Value >> Shift);
}
return Res;
}
public static AVec Tbl1_V64(AVec Vector, AVec Tb0)
{
return Tbl(Vector, 8, Tb0);