[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibSse2 / Ia32 / SetMem64.S

#------------------------------------------------------------------------------
#
# 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:
#
#   SetMem64.asm
#
# Abstract:
#
#   SetMem64 function
#
# Notes:
#
#------------------------------------------------------------------------------

    .686: 
    #.MODEL flat,C
    .xmm: 
    .code: 

#------------------------------------------------------------------------------
#  VOID *
#  _mem_SetMem64 (
#    IN VOID   *Buffer,
#    IN UINTN  Count,
#    IN UINT64 Value
#    )
#------------------------------------------------------------------------------
.global _InternalMemSetMem64
_InternalMemSetMem64:
    push    %edi
    movl    12(%esp), %ecx
    movl    8(%esp), %edi
    testl   $8, %edi
    movddup 16(%esp), %xmm0
    jz      L0
    movq    %xmm0, (%edi)
    addl    $8, %edi
    decl    %ecx
L0: 
    movl    %ecx, %edx
    shrl    %ecx
    jz      @SetQwords
L1: 
    movntdq %xmm0, (%edi)
    addl    $16, %edi
    loop    L1
    mfence
@SetQwords: 
    testb   $1, %dl
    jz      L2
    movq    %xmm0, (%edi)
L2: 
    pop     %edi
    ret
Commit	Line	Data
6e3b8c47	1	#------------------------------------------------------------------------------
	2	#
	3	# Copyright (c) 2006, Intel Corporation
	4	# All rights reserved. This program and the accompanying materials
	5	# are licensed and made available under the terms and conditions of the BSD License
	6	# which accompanies this distribution. The full text of the license may be found at
	7	# http://opensource.org/licenses/bsd-license.php
	8	#
	9	# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
	10	# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
	11	#
	12	# Module Name:
	13	#
	14	# SetMem64.asm
	15	#
	16	# Abstract:
	17	#
	18	# SetMem64 function
	19	#
	20	# Notes:
	21	#
	22	#------------------------------------------------------------------------------
	23
	24	.686:
	25	#.MODEL flat,C
	26	.xmm:
	27	.code:
	28
	29	#------------------------------------------------------------------------------
	30	# VOID *
	31	# _mem_SetMem64 (
	32	# IN VOID *Buffer,
	33	# IN UINTN Count,
	34	# IN UINT64 Value
	35	# )
	36	#------------------------------------------------------------------------------
	37	.global _InternalMemSetMem64
	38	_InternalMemSetMem64:
	39	push %edi
	40	movl 12(%esp), %ecx
	41	movl 8(%esp), %edi
	42	testl $8, %edi
	43	movddup 16(%esp), %xmm0
	44	jz L0
	45	movq %xmm0, (%edi)
	46	addl $8, %edi
	47	decl %ecx
	48	L0:
	49	movl %ecx, %edx
	50	shrl %ecx
	51	jz @SetQwords
	52	L1:
	53	movntdq %xmm0, (%edi)
	54	addl $16, %edi
	55	loop L1
	56	mfence
	57	@SetQwords:
	58	testb $1, %dl
	59	jz L2
	60	movq %xmm0, (%edi)
	61	L2:
	62	pop %edi
	63	ret