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e1f414b6 1/** @file\r
2 Math worker functions.\r
3\r
bb817c56 4 Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r
9344f092 5 SPDX-License-Identifier: BSD-2-Clause-Patent\r
e1f414b6 6\r
7**/\r
8\r
e1f414b6 9#include "BaseLibInternals.h"\r
10\r
11/**\r
12 Shifts a 64-bit integer left between 0 and 63 bits. The low bits are filled\r
13 with zeros. The shifted value is returned.\r
14\r
15 This function shifts the 64-bit value Operand to the left by Count bits. The\r
16 low Count bits are set to zero. The shifted value is returned.\r
17\r
18 If Count is greater than 63, then ASSERT().\r
19\r
20 @param Operand The 64-bit operand to shift left.\r
21 @param Count The number of bits to shift left.\r
22\r
9aa049d9 23 @return Operand << Count.\r
e1f414b6 24\r
25**/\r
26UINT64\r
27EFIAPI\r
28LShiftU64 (\r
2f88bd3a
MK
29 IN UINT64 Operand,\r
30 IN UINTN Count\r
e1f414b6 31 )\r
32{\r
5385a579 33 ASSERT (Count < 64);\r
e1f414b6 34 return InternalMathLShiftU64 (Operand, Count);\r
35}\r