Add Saba_V, Sabal_V, Sabd_V, Sabdl_V, Uaba_V, Uabal_V; Update Uabd_V, Uabdl_V. Add 16 tests. (#204)

* Update AOpCodeTable.cs

* Update AInstEmitSimdArithmetic.cs

* Update AInstEmitSimdHelper.cs

* Update Instructions.cs

* Update CpuTest.cs

* Update CpuTestSimd.cs

* Update CpuTestSimdReg.cs

AOpCodeTable.cs

@@ -352,6 +352,10 @@ namespace ChocolArm64
             SetA64("0x1011100x100000000010xxxxxxxxxx", AInstEmit.Rev32_V,       typeof(AOpCodeSimd));
             SetA64("0x001110<<100000000010xxxxxxxxxx", AInstEmit.Rev64_V,       typeof(AOpCodeSimd));
             SetA64("0x101110<<1xxxxx011000xxxxxxxxxx", AInstEmit.Rsubhn_V,      typeof(AOpCodeSimdReg));
+            SetA64("0x001110<<1xxxxx011111xxxxxxxxxx", AInstEmit.Saba_V,        typeof(AOpCodeSimdReg));
+            SetA64("0x001110<<1xxxxx010100xxxxxxxxxx", AInstEmit.Sabal_V,       typeof(AOpCodeSimdReg));
+            SetA64("0x001110<<1xxxxx011101xxxxxxxxxx", AInstEmit.Sabd_V,        typeof(AOpCodeSimdReg));
+            SetA64("0x001110<<1xxxxx011100xxxxxxxxxx", AInstEmit.Sabdl_V,       typeof(AOpCodeSimdReg));
             SetA64("0x001110<<1xxxxx000100xxxxxxxxxx", AInstEmit.Saddw_V,       typeof(AOpCodeSimdReg));
             SetA64("x0011110xx100010000000xxxxxxxxxx", AInstEmit.Scvtf_Gp,      typeof(AOpCodeSimdCvt));
             SetA64("010111100x100001110110xxxxxxxxxx", AInstEmit.Scvtf_S,       typeof(AOpCodeSimd));
@@ -390,6 +394,8 @@ namespace ChocolArm64
             SetA64("0x001110000xxxxx0xx000xxxxxxxxxx", AInstEmit.Tbl_V,         typeof(AOpCodeSimdTbl));
             SetA64("0>001110<<0xxxxx001010xxxxxxxxxx", AInstEmit.Trn1_V,        typeof(AOpCodeSimdReg));
             SetA64("0>001110<<0xxxxx011010xxxxxxxxxx", AInstEmit.Trn2_V,        typeof(AOpCodeSimdReg));
+            SetA64("0x101110<<1xxxxx011111xxxxxxxxxx", AInstEmit.Uaba_V,        typeof(AOpCodeSimdReg));
+            SetA64("0x101110<<1xxxxx010100xxxxxxxxxx", AInstEmit.Uabal_V,       typeof(AOpCodeSimdReg));
             SetA64("0x101110<<1xxxxx011101xxxxxxxxxx", AInstEmit.Uabd_V,        typeof(AOpCodeSimdReg));
             SetA64("0x101110<<1xxxxx011100xxxxxxxxxx", AInstEmit.Uabdl_V,       typeof(AOpCodeSimdReg));
             SetA64("0x101110<<1xxxxx000000xxxxxxxxxx", AInstEmit.Uaddl_V,       typeof(AOpCodeSimdReg));

Instruction/AInstEmitSimdArithmetic.cs

@@ -22,19 +22,6 @@ namespace ChocolArm64.Instruction
             EmitVectorUnaryOpSx(Context, () => EmitAbs(Context));
         }
 
-        private static void EmitAbs(AILEmitterCtx Context)
-        {
-            AILLabel LblTrue = new AILLabel();
-
-            Context.Emit(OpCodes.Dup);
-            Context.Emit(OpCodes.Ldc_I4_0);
-            Context.Emit(OpCodes.Bge_S, LblTrue);
-
-            Context.Emit(OpCodes.Neg);
-
-            Context.MarkLabel(LblTrue);
-        }
-
         public static void Add_S(AILEmitterCtx Context)
         {
             EmitScalarBinaryOpZx(Context, () => Context.Emit(OpCodes.Add));
@@ -179,6 +166,19 @@ namespace ChocolArm64.Instruction
             }
         }
 
+        private static void EmitAbs(AILEmitterCtx Context)
+        {
+            AILLabel LblTrue = new AILLabel();
+
+            Context.Emit(OpCodes.Dup);
+            Context.Emit(OpCodes.Ldc_I4_0);
+            Context.Emit(OpCodes.Bge_S, LblTrue);
+
+            Context.Emit(OpCodes.Neg);
+
+            Context.MarkLabel(LblTrue);
+        }
+
         private static void EmitHighNarrow(AILEmitterCtx Context, Action Emit, bool Round)
         {
             AOpCodeSimdReg Op = (AOpCodeSimdReg)Context.CurrOp;
@@ -188,6 +188,8 @@ namespace ChocolArm64.Instruction
 
             int Part = Op.RegisterSize == ARegisterSize.SIMD128 ? Elems : 0;
 
+            long RoundConst = 1L << (ESize - 1);
+
             for (int Index = 0; Index < Elems; Index++)
             {
                 EmitVectorExtractZx(Context, Op.Rn, Index, Op.Size + 1);
@@ -197,7 +199,7 @@ namespace ChocolArm64.Instruction
 
                 if (Round)
                 {
-                    Context.EmitLdc_I8(1L << (ESize - 1));
+                    Context.EmitLdc_I8(RoundConst);
 
                     Context.Emit(OpCodes.Add);
                 }
@@ -220,11 +222,11 @@ namespace ChocolArm64.Instruction
             int Elems = (!Scalar ? 8 >> Op.Size : 1);
             int ESize = 8 << Op.Size;
 
+            int Part = (!Scalar & (Op.RegisterSize == ARegisterSize.SIMD128) ? Elems : 0);
+
             int TMaxValue = (SignedDst ? (1 << (ESize - 1)) - 1 : (int)((1L << ESize) - 1L));
             int TMinValue = (SignedDst ? -((1 << (ESize - 1))) : 0);
 
-            int Part = (!Scalar & (Op.RegisterSize == ARegisterSize.SIMD128) ? Elems : 0);
-
             Context.EmitLdc_I8(0L);
             Context.EmitSttmp();
 
@@ -1107,6 +1109,46 @@ namespace ChocolArm64.Instruction
             EmitHighNarrow(Context, () => Context.Emit(OpCodes.Sub), Round: true);
         }
 
+        public static void Saba_V(AILEmitterCtx Context)
+        {
+            EmitVectorTernaryOpSx(Context, () =>
+            {
+                Context.Emit(OpCodes.Sub);
+                EmitAbs(Context);
+
+                Context.Emit(OpCodes.Add);
+            });
+        }
+
+        public static void Sabal_V(AILEmitterCtx Context)
+        {
+            EmitVectorWidenRnRmTernaryOpSx(Context, () =>
+            {
+                Context.Emit(OpCodes.Sub);
+                EmitAbs(Context);
+
+                Context.Emit(OpCodes.Add);
+            });
+        }
+
+        public static void Sabd_V(AILEmitterCtx Context)
+        {
+            EmitVectorBinaryOpSx(Context, () =>
+            {
+                Context.Emit(OpCodes.Sub);
+                EmitAbs(Context);
+            });
+        }
+
+        public static void Sabdl_V(AILEmitterCtx Context)
+        {
+            EmitVectorWidenRnRmBinaryOpSx(Context, () =>
+            {
+                Context.Emit(OpCodes.Sub);
+                EmitAbs(Context);
+            });
+        }
+
         public static void Saddw_V(AILEmitterCtx Context)
         {
             EmitVectorWidenRmBinaryOpSx(Context, () => Context.Emit(OpCodes.Add));
@@ -1186,23 +1228,44 @@ namespace ChocolArm64.Instruction
             EmitHighNarrow(Context, () => Context.Emit(OpCodes.Sub), Round: false);
         }
 
+        public static void Uaba_V(AILEmitterCtx Context)
+        {
+            EmitVectorTernaryOpZx(Context, () =>
+            {
+                Context.Emit(OpCodes.Sub);
+                EmitAbs(Context);
+
+                Context.Emit(OpCodes.Add);
+            });
+        }
+
+        public static void Uabal_V(AILEmitterCtx Context)
+        {
+            EmitVectorWidenRnRmTernaryOpZx(Context, () =>
+            {
+                Context.Emit(OpCodes.Sub);
+                EmitAbs(Context);
+
+                Context.Emit(OpCodes.Add);
+            });
+        }
+
         public static void Uabd_V(AILEmitterCtx Context)
         {
-            EmitVectorBinaryOpZx(Context, () => EmitAbd(Context));
+            EmitVectorBinaryOpZx(Context, () =>
+            {
+                Context.Emit(OpCodes.Sub);
+                EmitAbs(Context);
+            });
         }
 
         public static void Uabdl_V(AILEmitterCtx Context)
         {
-            EmitVectorWidenRnRmBinaryOpZx(Context, () => EmitAbd(Context));
+            EmitVectorWidenRnRmBinaryOpZx(Context, () =>
-        }
+            {
-
+                Context.Emit(OpCodes.Sub);
-        private static void EmitAbd(AILEmitterCtx Context)
+                EmitAbs(Context);
-        {
+            });
-            Context.Emit(OpCodes.Sub);
-
-            Type[] Types = new Type[] { typeof(long) };
-
-            Context.EmitCall(typeof(Math).GetMethod(nameof(Math.Abs), Types));
         }
 
         public static void Uaddl_V(AILEmitterCtx Context)

Instruction/AInstEmitSimdHelper.cs

@@ -483,6 +483,11 @@ namespace ChocolArm64.Instruction
             EmitVectorOp(Context, Emit, OperFlags.RnRm, true);
         }
 
+        public static void EmitVectorTernaryOpSx(AILEmitterCtx Context, Action Emit)
+        {
+            EmitVectorOp(Context, Emit, OperFlags.RdRnRm, true);
+        }
+
         public static void EmitVectorUnaryOpZx(AILEmitterCtx Context, Action Emit)
         {
             EmitVectorOp(Context, Emit, OperFlags.Rn, false);