+++ /dev/null
-/** @file\r
- Math worker functions.\r
-\r
- Copyright (c) 2006, Intel Corporation<BR>\r
- All rights reserved. This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
-\r
-**/\r
-\r
-#include "BaseLibInternals.h"\r
-\r
-/**\r
- Returns the bit position of the lowest bit set in a 64-bit value.\r
-\r
- This function computes the bit position of the lowest bit set in the 64-bit\r
- value specified by Operand. If Operand is zero, then -1 is returned.\r
- Otherwise, a value between 0 and 63 is returned.\r
-\r
- @param Operand The 64-bit operand to evaluate.\r
-\r
- @return Position of the lowest bit set in Operand if found.\r
- @retval -1 Operand is zero.\r
-\r
-**/\r
-INTN\r
-EFIAPI\r
-LowBitSet64 (\r
- IN UINT64 Operand\r
- )\r
-{\r
- INTN BitIndex;\r
-\r
- if (Operand == 0) {\r
- return -1;\r
- }\r
-\r
- for (BitIndex = 0;\r
- (Operand & 1) == 0;\r
- BitIndex++, Operand = RShiftU64 (Operand, 1));\r
- return BitIndex;\r
-}\r