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#------------------------------------------------------------------------------
#
# 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:
#
# ARShiftU64.asm
#
# Abstract:
#
# 64-bit arithmetic right shift function for IA-32
#
#------------------------------------------------------------------------------
.global _InternalMathARShiftU64
#------------------------------------------------------------------------------
# UINT64
# EFIAPI
# InternalMathARShiftU64 (
# IN UINT64 Operand,
# IN UINTN Count
# );
#------------------------------------------------------------------------------
_InternalMathARShiftU64:
movb 12(%esp), %cl
movl 8(%esp), %eax
cltd
testb $32, %cl
cmovz %eax, %edx
cmovz 4(%esp), %eax
shrdl %cl, %edx, %eax
sar %cl, %edx
ret
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