From eac9e5725a687f32b754ef9afb1ed43664bc000b Mon Sep 17 00:00:00 2001
From: Paolo Molaro <lupus@oddwiz.org>
Date: Thu, 11 Apr 2002 06:40:15 +0000
Subject: [PATCH] Thu Apr 11 12:28:13 CEST 2002 Paolo Molaro <lupus@ximian.com>

	* String.cs: internalcall GetHashCode().
	* Array.cS: optimize access to elements.

svn path=/trunk/mcs/; revision=3758
---
 mcs/class/corlib/System/Array.cs  | 32 +++++++++++++++----------------
 mcs/class/corlib/System/ChangeLog |  5 +++++
 mcs/class/corlib/System/String.cs | 10 ++--------
 3 files changed, 23 insertions(+), 24 deletions(-)

diff --git a/mcs/class/corlib/System/Array.cs b/mcs/class/corlib/System/Array.cs
index 982617ae73269..52a32217665bb 100644
--- a/mcs/class/corlib/System/Array.cs
+++ b/mcs/class/corlib/System/Array.cs
@@ -405,7 +405,7 @@ public static int BinarySearch (Array array, int index, int length, object value
 				while (iMin < iMax)
 				{
 					int iMid = (iMin + iMax) / 2;
-					object elt = array.GetValue (iMid);
+					object elt = array.GetValueImpl (iMid);
 
 					// this order is from MSDN
 					if (comparer != null)
@@ -452,7 +452,7 @@ public static void Clear (Array array, int index, int length)
 
 			for (int i = 0; i < length; i++) 
 			{
-				array.SetValue(null, index + i);
+				array.SetValueImpl(null, index + i);
 			}
 		}
 
@@ -575,7 +575,7 @@ public static int IndexOf (Array array, object value, int index, int length)
 
 			for (int i = 0; i < length; i++)
 			{
-				if (array.GetValue(index + i).Equals(value))
+				if (array.GetValueImpl(index + i).Equals(value))
 					return index + i;
 			}
 
@@ -612,7 +612,7 @@ public static int LastIndexOf (Array array, object value, int index, int length)
 
 			for (int i = index; i >= index-length+1; i--)
 			{
-				if (array.GetValue(i).Equals(value))
+				if (array.GetValueImpl(i).Equals(value))
 					return i;
 			}
 
@@ -645,9 +645,9 @@ public static void Reverse (Array array, int index, int length)
 			{
 				object tmp;
 
-				tmp = array.GetValue (index + i);
-				array.SetValue(array.GetValue (index + length - i - 1), index + i);
-				array.SetValue(tmp, index + length - i - 1);
+				tmp = array.GetValueImpl (index + i);
+				array.SetValueImpl(array.GetValueImpl (index + length - i - 1), index + i);
+				array.SetValueImpl(tmp, index + length - i - 1);
 			}
 		}		
 		
@@ -720,14 +720,14 @@ private static void qsort (Array keys, Array items, int low0, int high0, ICompar
 			int low = low0;
 			int high = high0;
 
-			object objPivot = keys.GetValue ((low + high) / 2);
+			object objPivot = keys.GetValueImpl ((low + high) / 2);
 
 			while (low <= high)
 			{
 				// Move the walls in
-				while (low < high0 && compare (keys.GetValue (low), objPivot, comparer) < 0)
+				while (low < high0 && compare (keys.GetValueImpl (low), objPivot, comparer) < 0)
 					++low;
-				while (high > low0 && compare (objPivot, keys.GetValue (high), comparer) < 0)
+				while (high > low0 && compare (objPivot, keys.GetValueImpl (high), comparer) < 0)
 					--high;
 
 				if (low <= high)
@@ -748,15 +748,15 @@ private static void swap (Array keys, Array items, int i, int j)
 		{
 			object tmp;
 
-			tmp = keys.GetValue (i);
-			keys.SetValue (keys.GetValue (j), i);
-			keys.SetValue (tmp, j);
+			tmp = keys.GetValueImpl (i);
+			keys.SetValueImpl (keys.GetValue (j), i);
+			keys.SetValueImpl (tmp, j);
 
 			if (items != null)
 			{
-				tmp = items.GetValue (i);
-				items.SetValue (items.GetValue (j), i);
-				items.SetValue (tmp, j);
+				tmp = items.GetValueImpl (i);
+				items.SetValueImpl (items.GetValueImpl (j), i);
+				items.SetValueImpl (tmp, j);
 			}
 		}
 
diff --git a/mcs/class/corlib/System/ChangeLog b/mcs/class/corlib/System/ChangeLog
index 51c45bdfbd816..ffb8f77987fd5 100644
--- a/mcs/class/corlib/System/ChangeLog
+++ b/mcs/class/corlib/System/ChangeLog
@@ -1,4 +1,9 @@
 
+Thu Apr 11 12:28:13 CEST 2002 Paolo Molaro <lupus@ximian.com>
+
+	* String.cs: internalcall GetHashCode().
+	* Array.cS: optimize access to elements.
+
 Wed Apr 10 21:20:19 CEST 2002 Paolo Molaro <lupus@ximian.com>
 
 	* String.cs: make IndexOfAny() use an internalcall.
diff --git a/mcs/class/corlib/System/String.cs b/mcs/class/corlib/System/String.cs
index 5eeb7016763ab..450f197fbff9d 100644
--- a/mcs/class/corlib/System/String.cs
+++ b/mcs/class/corlib/System/String.cs
@@ -764,14 +764,8 @@ IEnumerator IEnumerable.GetEnumerator ()
 			return new CharEnumerator (this);
 		}
 
-		public override int GetHashCode ()
-		{
-			int h = 0;
-			int i;
-			for (i = 0; i < length; ++i)
-				h = (h << 5) - h + c_str [i];
-			return h;
-		}
+		[MethodImplAttribute(MethodImplOptions.InternalCall)]
+		public extern override int GetHashCode ();
 
 		public TypeCode GetTypeCode ()
 		{