1. Port X64, IPF and EBC arch for BaseLib

[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibSse2 / Ia32 / SetMem64.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
#   SetMem64.S\r
#\r
# Abstract:\r
#\r
#   SetMem64 function\r
#\r
# Notes:\r
#\r
#------------------------------------------------------------------------------\r
\r
.globl _InternalMemSetMem64\r
\r
#------------------------------------------------------------------------------\r
#  VOID *\r
#  EFIAPI\r
#  InternalMemSetMem64 (\r
#    IN VOID   *Buffer,\r
#    IN UINTN  Count,\r
#    IN UINT64 Value\r
#    );\r
#------------------------------------------------------------------------------\r
_InternalMemSetMem64:\r
    movl    4(%esp), %eax\r
    movl    8(%esp), %ecx\r
    testb   $8, %al\r
    movl    %eax, %edx\r
    movq    0xc(%esp), %xmm0\r
    jz      L1\r
    movq    %xmm0, (%edx)\r
    addl    $8, %edx\r
    decl    %ecx\r
L1:\r
    shrl    %ecx\r
    jz      L_SetQwords\r
    movlhps %xmm0, %xmm0\r
L2:\r
    movntdq %xmm0, (%edx)\r
    leal    16(%edx), %edx\r
    loop    L2\r
    mfence\r
L_SetQwords:\r
    jnc     L3\r
    movq    %xmm0, (%edx)\r
L3:\r
    ret\r