1#------------------------------------------------------------------------------ 2# 3# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR> 4# This program and the accompanying materials 5# are licensed and made available under the terms and conditions of the BSD License 6# which accompanies this distribution. The full text of the license may be found at 7# http://opensource.org/licenses/bsd-license.php. 8# 9# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 10# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 11# 12# Module Name: 13# 14# MultU64x32.S 15# 16# Abstract: 17# 18# Calculate the product of a 64-bit integer and a 32-bit integer 19# 20#------------------------------------------------------------------------------ 21 22 23 .code: 24 25ASM_GLOBAL ASM_PFX(InternalMathMultU64x32) 26 27#------------------------------------------------------------------------------ 28# UINT64 29# EFIAPI 30# InternalMathMultU64x32 ( 31# IN UINT64 Multiplicand, 32# IN UINT32 Multiplier 33# ); 34#------------------------------------------------------------------------------ 35ASM_PFX(InternalMathMultU64x32): 36 movl 12(%esp), %ecx 37 movl %ecx, %eax 38 imull 8(%esp), %ecx # overflow not detectable 39 mull 0x4(%esp) 40 addl %ecx, %edx 41 ret 42