#------------------------------------------------------------------------------ | |
# | |
# Copyright (c) 2009 - 2010, Intel Corporation. All rights reserved.<BR> | |
# 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: | |
# | |
# MathMultS64x64.S | |
# | |
# Abstract: | |
# | |
# 64-bit Math Worker Function. | |
# Multiplies a 64-bit signed or unsigned value by a 64-bit signed or unsigned value | |
# and returns a 64-bit result | |
# | |
#------------------------------------------------------------------------------ | |
.686: | |
.code: | |
ASM_GLOBAL ASM_PFX(_mulll), ASM_PFX(MultS64x64) | |
#------------------------------------------------------------------------------ | |
# | |
# void __cdecl __mulll (void) | |
# | |
#------------------------------------------------------------------------------ | |
ASM_PFX(__mulll): | |
# Original local stack when calling __mulll | |
# ----------------- | |
# | | | |
# |---------------| | |
# | | | |
# |--Multiplier --| | |
# | | | |
# |---------------| | |
# | | | |
# |--Multiplicand-| | |
# | | | |
# |---------------| | |
# | ReturnAddr** | | |
# ESP---->|---------------| | |
# | |
# | |
# Set up the local stack for Multiplicand parameter | |
# | |
movl 16(%esp), %eax | |
push %eax | |
movl 16(%esp), %eax | |
push %eax | |
# | |
# Set up the local stack for Multiplier parameter | |
# | |
movl 16(%esp), %eax | |
push %eax | |
movl 16(%esp), %eax | |
push %eax | |
# | |
# Call native MulS64x64 of BaseLib | |
# | |
jmp ASM_PFX(MultS64x64) | |
# | |
# Adjust stack | |
# | |
add $16, %esp | |
ret $16 |