From cee712105850ac3385cd0091a923438167433f9f Mon Sep 17 00:00:00 2001
From: TSR Berry <20988865+TSRBerry@users.noreply.github.com>
Date: Sat, 8 Apr 2023 01:22:00 +0200
Subject: Move solution and projects to src

---
 ARMeilleure/CodeGen/Arm64/CodeGenCommon.cs | 91 ------------------------------
 1 file changed, 91 deletions(-)
 delete mode 100644 ARMeilleure/CodeGen/Arm64/CodeGenCommon.cs

(limited to 'ARMeilleure/CodeGen/Arm64/CodeGenCommon.cs')

diff --git a/ARMeilleure/CodeGen/Arm64/CodeGenCommon.cs b/ARMeilleure/CodeGen/Arm64/CodeGenCommon.cs
deleted file mode 100644
index 8d1e597b..00000000
--- a/ARMeilleure/CodeGen/Arm64/CodeGenCommon.cs
+++ /dev/null
@@ -1,91 +0,0 @@
-using ARMeilleure.IntermediateRepresentation;
-using System.Numerics;
-
-namespace ARMeilleure.CodeGen.Arm64
-{
-    static class CodeGenCommon
-    {
-        public const int TcAddressRegister = 8;
-        public const int ReservedRegister = 17;
-
-        public static bool ConstFitsOnSImm7(int value, int scale)
-        {
-            return (((value >> scale) << 25) >> (25 - scale)) == value;
-        }
-
-        public static bool ConstFitsOnSImm9(int value)
-        {
-            return ((value << 23) >> 23) == value;
-        }
-
-        public static bool ConstFitsOnUImm12(int value)
-        {
-            return (value & 0xfff) == value;
-        }
-
-        public static bool ConstFitsOnUImm12(int value, OperandType type)
-        {
-            int scale = Assembler.GetScaleForType(type);
-            return (((value >> scale) & 0xfff) << scale) == value;
-        }
-
-        public static bool TryEncodeBitMask(Operand operand, out int immN, out int immS, out int immR)
-        {
-            return TryEncodeBitMask(operand.Type, operand.Value, out immN, out immS, out immR);
-        }
-
-        public static bool TryEncodeBitMask(OperandType type, ulong value, out int immN, out int immS, out int immR)
-        {
-            if (type == OperandType.I32)
-            {
-                value |= value << 32;
-            }
-
-            return TryEncodeBitMask(value, out immN, out immS, out immR);
-        }
-
-        public static bool TryEncodeBitMask(ulong value, out int immN, out int immS, out int immR)
-        {
-            // Some special values also can't be encoded:
-            // 0 can't be encoded because we need to subtract 1 from onesCount (which would became negative if 0).
-            // A value with all bits set can't be encoded because it is reserved according to the spec, because:
-            // Any value AND all ones will be equal itself, so it's effectively a no-op.
-            // Any value OR all ones will be equal all ones, so one can just use MOV.
-            // Any value XOR all ones will be equal its inverse, so one can just use MVN.
-            if (value == 0 || value == ulong.MaxValue)
-            {
-                immN = 0;
-                immS = 0;
-                immR = 0;
-
-                return false;
-            }
-
-            // Normalize value, rotating it such that the LSB is 1: Ensures we get a complete element that has not
-            // been cut-in-half across the word boundary.
-            int rotation = BitOperations.TrailingZeroCount(value & (value + 1));
-            ulong rotatedValue = ulong.RotateRight(value, rotation);
-
-            // Now that we have a complete element in the LSB with the LSB = 1, determine size and number of ones
-            // in element.
-            int elementSize = BitOperations.TrailingZeroCount(rotatedValue & (rotatedValue + 1));
-            int onesInElement = BitOperations.TrailingZeroCount(~rotatedValue);
-
-            // Check the value is repeating; also ensures element size is a power of two.
-            if (ulong.RotateRight(value, elementSize) != value)
-            {
-                immN = 0;
-                immS = 0;
-                immR = 0;
-
-                return false;
-            }
-
-            immN = (elementSize >> 6) & 1;
-            immS = (((~elementSize + 1) << 1) | (onesInElement - 1)) & 0x3f;
-            immR = (elementSize - rotation) & (elementSize - 1);
-
-            return true;
-        }
-    }
-}
\ No newline at end of file
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