3 Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
4 This program and the accompanying materials
5 are licensed and made available under the terms and conditions of the BSD License
6 which accompanies this distribution. The full text of the license may be found at
7 http://opensource.org/licenses/bsd-license.php
9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
18 64-bit integer logarithm function for IA-32
32 Calculates and floors logarithms based on 2
36 Operand - value to calculate logarithm
40 The largest integer that is less than or equal
41 to the logarithm of Operand based on 2
48 cmp dword ptr Operand
[0], 0
50 cmp dword ptr Operand
[4], 0
59 bt dword ptr Operand
[0], ecx
65 bt dword ptr Operand
[4], eax