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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; LRotU64.asm\r
15;\r
16; Abstract:\r
17;\r
18; 64-bit left rotation for Ia32\r
19;\r
20;------------------------------------------------------------------------------\r
21\r
22 .686\r
23 .model flat,C\r
24 .code\r
25\r
26InternalMathLRotU64 PROC USES ebx\r
27 mov cl, [esp + 16]\r
28 mov edx, [esp + 12]\r
29 mov eax, [esp + 8]\r
30 shld ebx, edx, cl\r
31 shld edx, eax, cl\r
32 ror ebx, cl\r
33 shld eax, ebx, cl\r
34 test cl, 32\r
35 cmovnz ecx, eax\r
36 cmovnz eax, edx\r
37 cmovnz edx, ecx\r
38 ret\r
39InternalMathLRotU64 ENDP\r
40\r
41 END\r