[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibRepStr / Ia32 / ScanMem16.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:
#
#   ScanMem16.Asm
#
# Abstract:
#
#   ScanMem16 function
#
# Notes:
#
#   The following BaseMemoryLib instances share the same version of this file:
#
#       BaseMemoryLibRepStr
#       BaseMemoryLibMmx
#       BaseMemoryLibSse2
#
#------------------------------------------------------------------------------

    .686: 
    .code: 

.global InternalMemScanMem16
InternalMemScanMem16:
    push    %edi
    movl    12(%esp),%ecx
    movl    8(%esp),%edi
    movl    16(%esp),%eax
    repne   scasw
    leal    -2(%edi),%eax
    cmovnz  %ecx, %eax
    pop     %edi
    ret
Commit	Line	Data
b6bd81d4	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	# ScanMem16.Asm
	15	#
	16	# Abstract:
	17	#
	18	# ScanMem16 function
	19	#
	20	# Notes:
	21	#
	22	# The following BaseMemoryLib instances share the same version of this file:
	23	#
	24	# BaseMemoryLibRepStr
	25	# BaseMemoryLibMmx
	26	# BaseMemoryLibSse2
	27	#
	28	#------------------------------------------------------------------------------
	29
	30	.686:
	31	.code:
	32
	33	.global InternalMemScanMem16
	34	InternalMemScanMem16:
	35	push %edi
	36	movl 12(%esp),%ecx
	37	movl 8(%esp),%edi
	38	movl 16(%esp),%eax
	39	repne scasw
	40	leal -2(%edi),%eax
	41	cmovnz %ecx, %eax
	42	pop %edi
	43	ret