mirror of https://github.com/acidanthera/audk.git
50 lines
1.2 KiB
ArmAsm
50 lines
1.2 KiB
ArmAsm
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2006, Intel Corporation
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# All rights reserved. This program and the accompanying materials
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# are licensed and made available under the terms and conditions of the BSD License
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# which accompanies this distribution. The full text of the license may be found at
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# http://opensource.org/licenses/bsd-license.php
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#
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# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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#
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# Module Name:
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#
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# MultU64x64.asm
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#
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# Abstract:
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#
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# Calculate the product of a 64-bit integer and another 64-bit integer
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#
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#------------------------------------------------------------------------------
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.global _MultS64x64
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_MultS64x64:
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#
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# MultS64x32 shares the same implementation with _MultU64x32, and thus no
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# code inside this function.
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#
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.global _MultU64x64
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push %ebx
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movl 8(%esp),%ebx
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movl 16(%esp),%edx
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movl %ebx,%ecx
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movl %edx,%eax
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imull 20(%esp),%ebx
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imull 12(%esp),%edx
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addl %edx,%ebx
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mull %ecx
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addl %ebx,%edx
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pop %ebx
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ret
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