#------------------------------------------------------------------------------ # # 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: # # RRotU64.asm # # Abstract: # # 64-bit right rotation for Ia32 # #------------------------------------------------------------------------------ .global _InternalMathRRotU64 _InternalMathRRotU64: push %ebx movb 16(%esp),%cl movl 8(%esp),%eax movl 12(%esp),%edx shrdl %cl,%eax,%ebx shrdl %cl,%edx,%eax roll %cl,%ebx shrdl %cl,%ebx,%edx testb $32,%cl cmovnz %eax, %ecx cmovnz %edx, %eax cmovnz %ecx, %edx pop %ebx ret