diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/Ia32/GetPowerOfTwo.c')
-rw-r--r-- | EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/Ia32/GetPowerOfTwo.c | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/Ia32/GetPowerOfTwo.c b/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/Ia32/GetPowerOfTwo.c deleted file mode 100644 index 268bb14f51..0000000000 --- a/EdkCompatibilityPkg/Foundation/Library/EfiCommonLib/Ia32/GetPowerOfTwo.c +++ /dev/null @@ -1,62 +0,0 @@ -/*++
-
-Copyright (c) 2006, 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.
-
-Module Name:
-
- GetPowerOfTwo.c
-
-Abstract:
-
- Calculates the largest integer that is both
- a power of two and less than Input
-
---*/
-
-#include "Tiano.h"
-
-UINT64
-GetPowerOfTwo (
- IN UINT64 Input
- )
-/*++
-
-Routine Description:
-
- Calculates the largest integer that is both
- a power of two and less than Input
-
-Arguments:
-
- Input - value to calculate power of two
-
-Returns:
-
- the largest integer that is both a power of
- two and less than Input
-
---*/
-{
- __asm {
- xor eax, eax
- mov edx, eax
- mov ecx, dword ptr Input[4]
- jecxz _F
- bsr ecx, ecx
- bts edx, ecx
- jmp _Exit
-_F:
- mov ecx, dword ptr Input[0]
- jecxz _Exit
- bsr ecx, ecx
- bts eax, ecx
-_Exit:
- }
-}
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