Add SQADD, UQADD, SQSUB, UQSUB, SUQADD, USQADD, SQABS, SQNEG (Scalar, Vector) instructions; add 24 Tests. Most saturation instructions now on ASoftFallback. (#314)

* Update AOpCodeTable.cs

* Update AInstEmitSimdHelper.cs

* Update AInstEmitSimdArithmetic.cs

* Update Pseudocode.cs

* Update Instructions.cs

* Update CpuTestSimd.cs

* Update CpuTestSimdReg.cs

* Update AInstEmitSimdHelper.cs

* Update AInstEmitSimdHelper.cs

* Update AInstEmitSimdHelper.cs

* Update AInstEmitSimdHelper.cs

* Update ASoftFallback.cs

* Update AInstEmitSimdHelper.cs

* Update ASoftFallback.cs

* Update AInstEmitSimdHelper.cs

* Update CpuTestSimd.cs

* Update CpuTestSimdReg.cs

* Update ASoftFallback.cs

* Update AInstEmitSimdHelper.cs

* Opt. (retest).

1 files changed, 80 insertions, 0 deletions

diff --git a/ChocolArm64/Instruction/AInstEmitSimdArithmetic.cs b/ChocolArm64/Instruction/AInstEmitSimdArithmetic.cs
index 8e741861..6772fe83 100644
--- a/ChocolArm64/Instruction/AInstEmitSimdArithmetic.cs
+++ b/ChocolArm64/Instruction/AInstEmitSimdArithmetic.cs
@@ -1052,6 +1052,46 @@ namespace ChocolArm64.Instruction
             EmitVectorWidenRnRmBinaryOpSx(Context, () => Context.Emit(OpCodes.Mul));
         }
 
+        public static void Sqabs_S(AILEmitterCtx Context)
+        {
+            EmitScalarSaturatingUnaryOpSx(Context, () => EmitAbs(Context));
+        }
+
+        public static void Sqabs_V(AILEmitterCtx Context)
+        {
+            EmitVectorSaturatingUnaryOpSx(Context, () => EmitAbs(Context));
+        }
+
+        public static void Sqadd_S(AILEmitterCtx Context)
+        {
+            EmitScalarSaturatingBinaryOpSx(Context, SaturatingFlags.Add);
+        }
+
+        public static void Sqadd_V(AILEmitterCtx Context)
+        {
+            EmitVectorSaturatingBinaryOpSx(Context, SaturatingFlags.Add);
+        }
+
+        public static void Sqneg_S(AILEmitterCtx Context)
+        {
+            EmitScalarSaturatingUnaryOpSx(Context, () => Context.Emit(OpCodes.Neg));
+        }
+
+        public static void Sqneg_V(AILEmitterCtx Context)
+        {
+            EmitVectorSaturatingUnaryOpSx(Context, () => Context.Emit(OpCodes.Neg));
+        }
+
+        public static void Sqsub_S(AILEmitterCtx Context)
+        {
+            EmitScalarSaturatingBinaryOpSx(Context, SaturatingFlags.Sub);
+        }
+
+        public static void Sqsub_V(AILEmitterCtx Context)
+        {
+            EmitVectorSaturatingBinaryOpSx(Context, SaturatingFlags.Sub);
+        }
+
         public static void Sqxtn_S(AILEmitterCtx Context)
         {
             EmitScalarSaturatingNarrowOpSxSx(Context, () => { });
@@ -1099,6 +1139,16 @@ namespace ChocolArm64.Instruction
             EmitHighNarrow(Context, () => Context.Emit(OpCodes.Sub), Round: false);
         }
 
+        public static void Suqadd_S(AILEmitterCtx Context)
+        {
+            EmitScalarSaturatingBinaryOpSx(Context, SaturatingFlags.Accumulate);
+        }
+
+        public static void Suqadd_V(AILEmitterCtx Context)
+        {
+            EmitVectorSaturatingBinaryOpSx(Context, SaturatingFlags.Accumulate);
+        }
+
         public static void Uaba_V(AILEmitterCtx Context)
         {
             EmitVectorTernaryOpZx(Context, () =>
@@ -1221,6 +1271,26 @@ namespace ChocolArm64.Instruction
             EmitVectorWidenRnRmBinaryOpZx(Context, () => Context.Emit(OpCodes.Mul));
         }
 
+        public static void Uqadd_S(AILEmitterCtx Context)
+        {
+            EmitScalarSaturatingBinaryOpZx(Context, SaturatingFlags.Add);
+        }
+
+        public static void Uqadd_V(AILEmitterCtx Context)
+        {
+            EmitVectorSaturatingBinaryOpZx(Context, SaturatingFlags.Add);
+        }
+
+        public static void Uqsub_S(AILEmitterCtx Context)
+        {
+            EmitScalarSaturatingBinaryOpZx(Context, SaturatingFlags.Sub);
+        }
+
+        public static void Uqsub_V(AILEmitterCtx Context)
+        {
+            EmitVectorSaturatingBinaryOpZx(Context, SaturatingFlags.Sub);
+        }
+
         public static void Uqxtn_S(AILEmitterCtx Context)
         {
             EmitScalarSaturatingNarrowOpZxZx(Context, () => { });
@@ -1231,6 +1301,16 @@ namespace ChocolArm64.Instruction
             EmitVectorSaturatingNarrowOpZxZx(Context, () => { });
         }
 
+        public static void Usqadd_S(AILEmitterCtx Context)
+        {
+            EmitScalarSaturatingBinaryOpZx(Context, SaturatingFlags.Accumulate);
+        }
+
+        public static void Usqadd_V(AILEmitterCtx Context)
+        {
+            EmitVectorSaturatingBinaryOpZx(Context, SaturatingFlags.Accumulate);
+        }
+
         public static void Usubw_V(AILEmitterCtx Context)
         {
             EmitVectorWidenRmBinaryOpZx(Context, () => Context.Emit(OpCodes.Sub));