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Fix Xcode bug in template
[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / LShiftU64.asm
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e1f414b6 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 .686\r
23 .model flat,C\r
24 .code\r
25\r
26;------------------------------------------------------------------------------\r
27; UINT64\r
28; EFIAPI\r
29; InternalMathLShiftU64 (\r
30; IN UINT64 Operand,\r
31; IN UINTN Count\r
32; );\r
33;------------------------------------------------------------------------------\r
34InternalMathLShiftU64 PROC\r
35 mov cl, [esp + 12]\r
36 xor eax, eax\r
37 mov edx, [esp + 4]\r
38 test cl, 32 ; Count >= 32?\r
39 cmovz eax, edx\r
40 cmovz edx, [esp + 8]\r
41 shld edx, eax, cl\r
42 shl eax, cl\r
43 ret\r
44InternalMathLShiftU64 ENDP\r
45\r
46 END\r