;------------------------------------------------------------------------------ ; ; Copyright (c) 2006 - 2015, 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: ; ; ARShiftU64.asm ; ; Abstract: ; ; 64-bit arithmetic right shift function for IA-32 ; ;------------------------------------------------------------------------------ .686 .model flat,C .code ;------------------------------------------------------------------------------ ; UINT64 ; EFIAPI ; InternalMathARShiftU64 ( ; IN UINT64 Operand, ; IN UINTN Count ; ); ;------------------------------------------------------------------------------ InternalMathARShiftU64 PROC mov cl, [esp + 12] mov eax, [esp + 8] cdq test cl, 32 jnz @F mov edx, eax mov eax, [esp + 4] @@: shrd eax, edx, cl sar edx, cl ret InternalMathARShiftU64 ENDP END