]> git.proxmox.com Git - mirror_edk2.git/blame - MdePkg/Library/BaseLib/Ia32/MultU64x64.s
Fixes for GCC.
[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / MultU64x64.s
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878ddf1f 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\r
23\r
24 \r
25\r
26.global _MultS64x64\r
27_MultS64x64: \r
28 #\r
29 # MultS64x32 shares the same implementation with _MultU64x32, and thus no\r
30 # code inside this function.\r
31 #\r
32\r
33\r
34.global _MultU64x64\r
35 push %ebx\r
36 movl 8(%esp),%ebx\r
37 movl 16(%esp),%edx\r
38 movl %ebx,%ecx\r
39 movl %edx,%eax\r
40 imull 20(%esp),%ebx\r
41 imull 12(%esp),%edx\r
42 addl %edx,%ebx\r
43 mull %ecx\r
44 addl %ebx,%edx\r
45 pop %ebx\r
46 ret\r
47\r
48\r
49\r