From a0c78f792012cdea060444d7cb6a36dbabb04d52 Mon Sep 17 00:00:00 2001
From: LDj3SNuD <35856442+LDj3SNuD@users.noreply.github.com>
Date: Sat, 8 Sep 2018 19:24:29 +0200
Subject: Fix/Add 10 Shift Right and Mls_Ve Instructions; add 14 Tests. (#407)

* Update AOpCodeTable.cs

* Update AInstEmitSimdShift.cs

* Update ASoftFallback.cs

* Update AOpCodeSimdShImm.cs

* Update ABitUtils.cs

* Update AInstEmitSimdArithmetic.cs

* Update AInstEmitSimdHelper.cs

* Create CpuTestSimdShImm.cs

* Create CpuTestSimdRegElem.cs

* Address PR feedback.

* Nit.

* Nit.
---
 ChocolArm64/ABitUtils.cs | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'ChocolArm64/ABitUtils.cs')

diff --git a/ChocolArm64/ABitUtils.cs b/ChocolArm64/ABitUtils.cs
index 357dd45d..dd416235 100644
--- a/ChocolArm64/ABitUtils.cs
+++ b/ChocolArm64/ABitUtils.cs
@@ -27,6 +27,10 @@ namespace ChocolArm64
             return -1;
         }
 
+        private static readonly sbyte[] HbsNibbleTbl = { -1, 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3 };
+
+        public static int HighestBitSetNibble(int Value) => HbsNibbleTbl[Value & 0b1111];
+
         public static long Replicate(long Bits, int Size)
         {
             long Output = 0;
@@ -54,4 +58,4 @@ namespace ChocolArm64
             return Value != 0 && (Value & (Value - 1)) == 0;
         }
     }
-}
\ No newline at end of file
+}
-- 
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