#------------------------------------------------------------------------------ # # Copyright (c) 2006, Intel Corporation # All rights reserved. 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 # #------------------------------------------------------------------------------ .global _ARShiftU64 _ARShiftU64: movb 12(%esp),%cl movl 8(%esp),%eax cltd testb $32,%cl # MISMATCH: " cmovz edx, eax" cmovz %eax, %edx # MISMATCH: " cmovz eax, [esp + 4]" cmovz 4(%esp), %eax shrdl %cl,%edx,%eax sar %cl,%edx ret