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878ddf1f 1#------------------------------------------------------------------------------\r
2#\r
3# Copyright (c) 2006, Intel Corporation\r
4# All rights reserved. This program and the accompanying materials\r
5# are licensed and made available under the terms and conditions of the BSD License\r
6# which accompanies this distribution. The full text of the license may be found at\r
7# http://opensource.org/licenses/bsd-license.php\r
8#\r
9# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
10# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
11#\r
12# Module Name:\r
13#\r
14# LShiftU64.asm\r
15#\r
16# Abstract:\r
17#\r
18# 64-bit left shift function for IA-32\r
19#\r
20#------------------------------------------------------------------------------\r
21\r
22\r
23\r
24 \r
25\r
26.global _LShiftU64\r
27_LShiftU64: \r
28 movb 12(%esp),%cl\r
29 xorl %eax,%eax\r
30 movl 4(%esp),%edx\r
31 testb $32,%cl\r
32 cmovz %edx, %eax\r
33 cmovz 8(%esp), %edx\r
34 shldl %cl,%eax,%edx\r
35 shll %cl,%eax\r
36 ret\r
37\r
38\r
39\r