diff options
| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-02 09:34:25 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2007-07-02 09:34:25 +0000 |
| commit | f1baef624fb7119c54c3389a2cd99b108ee08f0e (patch) | |
| tree | d713f9ecb9bcb40f62ace27aa135db8c4b0e86e0 /MdePkg/Library/BaseLib/Ia32/LShiftU64.S | |
| parent | 29b052646a5f5fa0b28cbe9ca6224541e688f251 (diff) | |
| download | edk2-platforms-f1baef624fb7119c54c3389a2cd99b108ee08f0e.tar.xz | |
1. Port X64, IPF and EBC arch for BaseLib
2. Port X64 arch codes for BaseMemoryLibRepStr and BaseMemoryLibSee2
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2955 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/LShiftU64.S')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ia32/LShiftU64.S | 87 |
1 files changed, 41 insertions, 46 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/LShiftU64.S b/MdePkg/Library/BaseLib/Ia32/LShiftU64.S index 9c93242bd4..a4b99eb80a 100644 --- a/MdePkg/Library/BaseLib/Ia32/LShiftU64.S +++ b/MdePkg/Library/BaseLib/Ia32/LShiftU64.S @@ -1,46 +1,41 @@ -//
-// Include common header file for this module.
-//
-#include "CommonHeader.h"
-
-#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006, Intel Corporation
-# All rights reserved. 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:
-#
-# LShiftU64.asm
-#
-# Abstract:
-#
-# 64-bit left shift function for IA-32
-#
-#------------------------------------------------------------------------------
-
-.globl ASM_PFX(InternalMathLShiftU64)
-
-#------------------------------------------------------------------------------
-# UINT64
-# EFIAPI
-# InternalMathLShiftU64 (
-# IN UINT64 Operand,
-# IN UINTN Count
-# );
-#------------------------------------------------------------------------------
-ASM_PFX(InternalMathLShiftU64):
- movb 12(%esp), %cl
- xorl %eax, %eax
- movl 4(%esp), %edx
- testb $32, %cl
- cmovz %edx, %eax
- cmovz 0x8(%esp), %edx
- shld %cl, %eax, %edx
- shl %cl, %eax
- ret
+#------------------------------------------------------------------------------ +# +# Copyright (c) 2006, Intel Corporation +# All rights reserved. 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: +# +# LShiftU64.asm +# +# Abstract: +# +# 64-bit left shift function for IA-32 +# +#------------------------------------------------------------------------------ + +.globl ASM_PFX(InternalMathLShiftU64) + +#------------------------------------------------------------------------------ +# UINT64 +# EFIAPI +# InternalMathLShiftU64 ( +# IN UINT64 Operand, +# IN UINTN Count +# ); +#------------------------------------------------------------------------------ +ASM_PFX(InternalMathLShiftU64): + movb 12(%esp), %cl + xorl %eax, %eax + movl 4(%esp), %edx + testb $32, %cl + cmovz %edx, %eax + cmovz 0x8(%esp), %edx + shld %cl, %eax, %edx + shl %cl, %eax + ret |