Fixes for GCC.

[mirror_edk2.git] / MdePkg / Library / BaseLib / Ia32 / LRotU64.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
#   LRotU64.asm\r
#\r
# Abstract:\r
#\r
#   64-bit left rotation for Ia32\r
#\r
#------------------------------------------------------------------------------\r
\r
\r
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     \r
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.global _LRotU64\r
    push    %ebx\r
    movb    16(%esp),%cl\r
    movl    12(%esp),%edx\r
    movl    8(%esp),%eax\r
    shldl   %cl,%edx,%ebx\r
    shldl   %cl,%eax,%edx\r
    rorl    %cl,%ebx\r
    shldl   %cl,%ebx,%eax\r
    testb   $32,%cl\r
    cmovnz  %eax, %ecx\r
    cmovnz  %edx, %eax \r
    cmovnz  %ecx, %edx\r
    pop     %ebx\r
    ret\r
\r
\r
\r