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23086ba8 1/** @file\r
2 Calculate the quotient of a 64-bit integer by a 32-bit integer\r
3\r
4 Copyright (c) 2006, Intel Corporation<BR>\r
5 All rights reserved. This program and the accompanying materials\r
6 are licensed and made available under the terms and conditions of the BSD License\r
7 which accompanies this distribution. The full text of the license may be found at\r
8 http://opensource.org/licenses/bsd-license.php\r
9\r
10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
12\r
13**/\r
14\r
15#if _MSC_EXTENSIONS\r
16\r
17UINT64\r
18EFIAPI\r
19InternalMathDivU64x32 (\r
20 IN UINT64 Dividend,\r
21 IN UINT32 Divisor\r
22 )\r
23{\r
24 _asm {\r
25 mov eax, dword ptr [Dividend + 4]\r
26 mov ecx, Divisor\r
27 xor edx, edx\r
28 div ecx\r
29 push eax ; save quotient on stack\r
30 mov eax, dword ptr [Dividend]\r
31 div ecx\r
32 pop edx ; restore high-order dword of the quotient\r
33 }\r
34}\r
35\r
36#endif\r