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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 | # MultU64x64.asm\r | |
15 | #\r | |
16 | # Abstract:\r | |
17 | #\r | |
18 | # Calculate the product of a 64-bit integer and another 64-bit integer\r | |
19 | #\r | |
20 | #------------------------------------------------------------------------------\r | |
21 | \r | |
22 | .globl ASM_PFX(InternalMathMultU64x64)\r | |
23 | \r | |
24 | #------------------------------------------------------------------------------\r | |
25 | # UINT64\r | |
26 | # EFIAPI\r | |
27 | # InternalMathMultU64x64 (\r | |
28 | # IN UINT64 Multiplicand,\r | |
29 | # IN UINT64 Multiplier\r | |
30 | # );\r | |
31 | #------------------------------------------------------------------------------\r | |
32 | ASM_PFX(InternalMathMultU64x64):\r | |
33 | push %ebx\r | |
34 | movl 8(%esp), %ebx\r | |
35 | movl 16(%esp), %edx\r | |
36 | movl %ebx, %ecx\r | |
37 | movl %edx, %eax\r | |
38 | imull 20(%esp), %ebx\r | |
39 | imull 12(%esp), %edx\r | |
40 | addl %edx, %ebx\r | |
41 | mull %ecx\r | |
42 | addl %ebx, %edx\r | |
43 | pop %ebx\r | |
44 | ret\r |