diff options
Diffstat (limited to 'UnixPkg/Library/UnixBaseLib/HighBitSet64.c')
-rw-r--r-- | UnixPkg/Library/UnixBaseLib/HighBitSet64.c | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/UnixPkg/Library/UnixBaseLib/HighBitSet64.c b/UnixPkg/Library/UnixBaseLib/HighBitSet64.c deleted file mode 100644 index 23abb73..0000000 --- a/UnixPkg/Library/UnixBaseLib/HighBitSet64.c +++ /dev/null @@ -1,55 +0,0 @@ -/** @file
- Math worker functions.
-
- Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php.
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-
-
-
-#include "BaseLibInternals.h"
-
-/**
- Returns the bit position of the highest bit set in a 64-bit value. Equivalent
- to log2(x).
-
- This function computes the bit position of the highest bit set in the 64-bit
- value specified by Operand. If Operand is zero, then -1 is returned.
- Otherwise, a value between 0 and 63 is returned.
-
- @param Operand The 64-bit operand to evaluate.
-
- @retval 0..63 Position of the highest bit set in Operand if found.
- @retval -1 Operand is zero.
-
-**/
-INTN
-EFIAPI
-HighBitSet64 (
- IN UINT64 Operand
- )
-{
- if (Operand == (UINT32)Operand) {
- //
- // Operand is just a 32-bit integer
- //
- return HighBitSet32 ((UINT32)Operand);
- }
-
- //
- // Operand is really a 64-bit integer
- //
- if (sizeof (UINTN) == sizeof (UINT32)) {
- return HighBitSet32 (((UINT32*)&Operand)[1]) + 32;
- } else {
- return HighBitSet32 ((UINT32)RShiftU64 (Operand, 32)) + 32;
- }
-}
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