#------------------------------------------------------------------------------ # # Copyright (c) 2006, Intel Corporation # All rights reserved. This program and the accompanying materials # are licensed and made available under the terms and conditions of the BSD License # which accompanies this distribution. The full text of the license may be found at # http://opensource.org/licenses/bsd-license.php # # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. # # Module Name: # # MultU64x64.asm # # Abstract: # # Calculate the product of a 64-bit integer and another 64-bit integer # #------------------------------------------------------------------------------ .globl ASM_PFX(InternalMathMultU64x64) #------------------------------------------------------------------------------ # UINT64 # EFIAPI # InternalMathMultU64x64 ( # IN UINT64 Multiplicand, # IN UINT64 Multiplier # ); #------------------------------------------------------------------------------ ASM_PFX(InternalMathMultU64x64): push %ebx movl 8(%esp), %ebx movl 16(%esp), %edx movl %ebx, %ecx movl %edx, %eax imull 20(%esp), %ebx imull 12(%esp), %edx addl %edx, %ebx mull %ecx addl %ebx, %edx pop %ebx ret