1 #------------------------------------------------------------------------------ 2 # 3 # Copyright (c) 2009 - 2011, Intel Corporation. All rights reserved.<BR> 4 # This program and the accompanying materials are licensed and made available 5 # under the terms and conditions of the BSD License which accompanies this 6 # 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 # MathDivU64x64.S 15 # 16 # Abstract: 17 # 18 # 64-bit Math Worker Function. 19 # Divides a 64-bit unsigned value with a 64-bit unsigned value and returns 20 # a 64-bit unsigned result. 21 # 22 #------------------------------------------------------------------------------ 23 24 .686: 25 .code: 26 27 ASM_GLOBAL ASM_PFX(__udivdi3), ASM_PFX(DivU64x64Remainder) 28 29 #------------------------------------------------------------------------------ 30 # 31 # void __cdecl __udivdi3 (void) 32 # 33 #------------------------------------------------------------------------------ 34 ASM_PFX(__udivdi3): 35 # Original local stack when calling __udivdi3 36 # ----------------- 37 # | | 38 # |---------------| 39 # | | 40 # |-- Divisor --| 41 # | | 42 # |---------------| 43 # | | 44 # |-- Dividend --| 45 # | | 46 # |---------------| 47 # | ReturnAddr** | 48 # ESP---->|---------------| 49 # 50 51 # 52 # Set up the local stack for NULL Reminder pointer 53 # 54 xorl %eax, %eax 55 push %eax 56 57 # 58 # Set up the local stack for Divisor parameter 59 # 60 movl 20(%esp), %eax 61 push %eax 62 movl 20(%esp), %eax 63 push %eax 64 65 # 66 # Set up the local stack for Dividend parameter 67 # 68 movl 20(%esp), %eax 69 push %eax 70 movl 20(%esp), %eax 71 push %eax 72 73 # 74 # Call native DivU64x64Remainder of BaseLib 75 # 76 jmp ASM_PFX(DivU64x64Remainder) 77 78 # 79 # Adjust stack 80 # 81 addl $20, %esp 82 83 ret $16 84
