Fixes for GCC.

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / RShiftU64.s

#------------------------------------------------------------------------------\r
#\r
# Copyright (c) 2006, Intel Corporation\r
# All rights reserved. This program and the accompanying materials\r
# are licensed and made available under the terms and conditions of the BSD License\r
# which accompanies this distribution.  The full text of the license may be found at\r
# http://opensource.org/licenses/bsd-license.php\r
#\r
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
#\r
# Module Name:\r
#\r
#   RShiftU64.asm\r
#\r
# Abstract:\r
#\r
#   64-bit logical right shift function for IA-32\r
#\r
#------------------------------------------------------------------------------\r
\r
\r
\r
     \r
\r
.global _RShiftU64\r
_RShiftU64: \r
    movb    12(%esp),%cl\r
    xorl    %edx,%edx\r
    movl    8(%esp),%eax\r
    testb   $32,%cl\r
    cmovz   %eax, %edx\r
    cmovz   4(%esp), %eax\r
    shrdl   %cl,%edx,%eax\r
    shrl    %cl,%edx\r
    ret\r
\r
\r
\r