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e1f414b6 | 1 | /** @file\r |
2 | Math worker functions.\r | |
3 | \r | |
127010dd | 4 | Copyright (c) 2006 - 2010, 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 right between 0 and 63 bits. The high bits are filled\r | |
127010dd | 13 | with the original integer's bit 63. The shifted value is returned.\r |
e1f414b6 | 14 | \r |
15 | This function shifts the 64-bit value Operand to the right by Count bits. The\r | |
16 | high Count bits are set to bit 63 of Operand. 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 right.\r | |
21 | @param Count The number of bits to shift right.\r | |
22 | \r | |
9aa049d9 | 23 | @return Operand >> Count\r |
e1f414b6 | 24 | \r |
25 | **/\r | |
26 | UINT64\r | |
27 | EFIAPI\r | |
28 | ARShiftU64 (\r | |
29 | IN UINT64 Operand,\r | |
30 | IN UINTN Count\r | |
31 | )\r | |
32 | {\r | |
5385a579 | 33 | ASSERT (Count < 64);\r |
e1f414b6 | 34 | return InternalMathARShiftU64 (Operand, Count);\r |
35 | }\r |