MdePkg/Library/BaseLib/Ia32/MultU64x32.S

   1 #------------------------------------------------------------------------------
   2 #
   3 # Copyright (c) 2006, Intel Corporation
   4 # All rights reserved. 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.asm
  15 #
  16 # Abstract:
  17 #
  18 #   Calculate the product of a 64-bit integer and a 32-bit integer
  19 #
  20 #------------------------------------------------------------------------------
  21
  22     .386:
  23     .code:
  24
  25 .global _InternalMathMultU64x32
  26 _InternalMathMultU64x32:
  27     movl    12(%esp),%ecx
  28     movl    %ecx,%eax
  29     imull   8(%esp),%ecx
  30     mull   0x4(%esp)
  31     addl    %ecx,%edx
  32     ret