diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Ia32/LShiftU64.S')
-rw-r--r-- | MdePkg/Library/BaseLib/Ia32/LShiftU64.S | 82 |
1 files changed, 41 insertions, 41 deletions
diff --git a/MdePkg/Library/BaseLib/Ia32/LShiftU64.S b/MdePkg/Library/BaseLib/Ia32/LShiftU64.S index e9ddf6f131..dc99c8bb61 100644 --- a/MdePkg/Library/BaseLib/Ia32/LShiftU64.S +++ b/MdePkg/Library/BaseLib/Ia32/LShiftU64.S @@ -1,41 +1,41 @@ -#------------------------------------------------------------------------------ -# -# Copyright (c) 2006 - 2008, 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.S -# -# 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 # Count >= 32? - cmovz %edx, %eax - cmovz 0x8(%esp), %edx - shld %cl, %eax, %edx - shl %cl, %eax - ret +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2006 - 2008, 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.S
+#
+# 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 # Count >= 32?
+ cmovz %edx, %eax
+ cmovz 0x8(%esp), %edx
+ shld %cl, %eax, %edx
+ shl %cl, %eax
+ ret
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