[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibOptPei / X64 / ScanMem8.S

#
# ConvertAsm.py: Automatically generated from ScanMem8.asm
#
#------------------------------------------------------------------------------
#
# 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:
#
#   ScanMem8.S
#
# Abstract:
#
#   ScanMem8 function
#
# Notes:
#
#   The following BaseMemoryLib instances contain the same copy of this file:
#
#       BaseMemoryLibRepStr
#       BaseMemoryLibMmx
#       BaseMemoryLibSse2
#       BaseMemoryLibOptDxe
#       BaseMemoryLibOptPei
#
#------------------------------------------------------------------------------


#------------------------------------------------------------------------------
# CONST VOID *
# EFIAPI
# InternalMemScanMem8 (
#   IN      CONST VOID                *Buffer,
#   IN      UINTN                     Length,
#   IN      UINT8                     Value
#   );
#------------------------------------------------------------------------------
.intel_syntax noprefix
.globl ASM_PFX(InternalMemScanMem8)
ASM_PFX(InternalMemScanMem8):
    push    rdi
    mov     rdi, rcx
    mov     rcx, rdx
    mov     rax, r8
    repne   scasb
    lea     rax, [rdi - 1]
    cmovnz  rax, rcx                    # set rax to 0 if not found
    pop     rdi
    ret
Commit	Line	Data
bf131e73	1	#
	2	# ConvertAsm.py: Automatically generated from ScanMem8.asm
	3	#
	4	#------------------------------------------------------------------------------
	5	#
	6	# Copyright (c) 2006, Intel Corporation
	7	# All rights reserved. This program and the accompanying materials
	8	# are licensed and made available under the terms and conditions of the BSD License
	9	# which accompanies this distribution. The full text of the license may be found at
	10	# http://opensource.org/licenses/bsd-license.php
	11	#
	12	# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
	13	# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
	14	#
	15	# Module Name:
	16	#
	17	# ScanMem8.S
	18	#
	19	# Abstract:
	20	#
	21	# ScanMem8 function
	22	#
	23	# Notes:
	24	#
	25	# The following BaseMemoryLib instances contain the same copy of this file:
	26	#
	27	# BaseMemoryLibRepStr
	28	# BaseMemoryLibMmx
	29	# BaseMemoryLibSse2
	30	# BaseMemoryLibOptDxe
	31	# BaseMemoryLibOptPei
	32	#
	33	#------------------------------------------------------------------------------
	34
	35
	36	#------------------------------------------------------------------------------
	37	# CONST VOID *
	38	# EFIAPI
	39	# InternalMemScanMem8 (
	40	# IN CONST VOID *Buffer,
	41	# IN UINTN Length,
	42	# IN UINT8 Value
	43	# );
	44	#------------------------------------------------------------------------------
	45	.intel_syntax noprefix
	46	.globl ASM_PFX(InternalMemScanMem8)
	47	ASM_PFX(InternalMemScanMem8):
	48	push rdi
	49	mov rdi, rcx
	50	mov rcx, rdx
	51	mov rax, r8
	52	repne scasb
	53	lea rax, [rdi - 1]
	54	cmovnz rax, rcx # set rax to 0 if not found
	55	pop rdi
	56	ret
	57