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42 lines
1.3 KiB
42 lines
1.3 KiB
4 years ago
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#------------------------------------------------------------------------------
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#
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# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>
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# 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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# MultU64x32.S
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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 a 32-bit integer
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#
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#------------------------------------------------------------------------------
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.code:
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ASM_GLOBAL ASM_PFX(InternalMathMultU64x32)
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#------------------------------------------------------------------------------
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# UINT64
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# EFIAPI
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# InternalMathMultU64x32 (
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# IN UINT64 Multiplicand,
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# IN UINT32 Multiplier
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# );
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#------------------------------------------------------------------------------
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ASM_PFX(InternalMathMultU64x32):
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movl 12(%esp), %ecx
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movl %ecx, %eax
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imull 8(%esp), %ecx # overflow not detectable
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mull 0x4(%esp)
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addl %ecx, %edx
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ret
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