1 /*++ 2 3 Copyright (c) 2006 - 2010, 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 Power10U64.c 15 16 Abstract: 17 18 Calculates Operand * 10 ^ Power 19 20 --*/ 21 22 #include "Tiano.h" 23 24 UINT64 25 MultU64x32 ( 26 IN UINT64 Multiplicand, 27 IN UINTN Multiplier 28 ); 29 30 UINT64 31 Power10U64 ( 32 IN UINT64 Operand, 33 IN UINTN Power 34 ) 35 /*++ 36 37 Routine Description: 38 39 Raise 10 to the power of Power, and multiply the result with Operand 40 41 Arguments: 42 43 Operand - multiplicand 44 Power - power 45 46 Returns: 47 48 Operand * 10 ^ Power 49 50 --*/ 51 { 52 __asm { 53 mov eax, dword ptr Operand[0] 54 mov edx, dword ptr Operand[4] 55 mov ecx, Power 56 jcxz _Power10U64_Done 57 58 _Power10U64_Wend: 59 push ecx 60 push 10 61 push dword ptr Operand[4] 62 push dword ptr Operand[0] 63 call MultU64x32 64 add esp, 0Ch 65 pop ecx 66 mov dword ptr Operand[0], eax 67 mov dword ptr Operand[4], edx 68 loop _Power10U64_Wend 69 70 _Power10U64_Done: 71 } 72 } 73
