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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 |
bb817c56 | 5 | This program and the accompanying materials\r |
e1f414b6 | 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 | |
127010dd | 8 | http://opensource.org/licenses/bsd-license.php.\r |
e1f414b6 | 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 | |
e1f414b6 | 15 | #include "BaseLibInternals.h"\r |
16 | \r | |
17 | /**\r | |
18 | Shifts a 64-bit integer right between 0 and 63 bits. The high bits are filled\r | |
127010dd | 19 | with the original integer's bit 63. The shifted value is returned.\r |
e1f414b6 | 20 | \r |
21 | This function shifts the 64-bit value Operand to the right by Count bits. The\r | |
22 | high Count bits are set to bit 63 of Operand. The shifted value is returned.\r | |
23 | \r | |
24 | If Count is greater than 63, then ASSERT().\r | |
25 | \r | |
26 | @param Operand The 64-bit operand to shift right.\r | |
27 | @param Count The number of bits to shift right.\r | |
28 | \r | |
9aa049d9 | 29 | @return Operand >> Count\r |
e1f414b6 | 30 | \r |
31 | **/\r | |
32 | UINT64\r | |
33 | EFIAPI\r | |
34 | ARShiftU64 (\r | |
35 | IN UINT64 Operand,\r | |
36 | IN UINTN Count\r | |
37 | )\r | |
38 | {\r | |
5385a579 | 39 | ASSERT (Count < 64);\r |
e1f414b6 | 40 | return InternalMathARShiftU64 (Operand, Count);\r |
41 | }\r |