[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibMmx / X64 / SetMem.S

#
# ConvertAsm.py: Automatically generated from SetMem.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:
#
#   SetMem.S
#
# Abstract:
#
#   SetMem function
#
# Notes:
#
#------------------------------------------------------------------------------


#------------------------------------------------------------------------------
#  VOID *
#  EFIAPI
#  InternalMemSetMem (
#    IN VOID   *Buffer,
#    IN UINTN  Count,
#    IN UINT8  Value
#    )
#------------------------------------------------------------------------------
.intel_syntax noprefix
.globl ASM_PFX(InternalMemSetMem)
ASM_PFX(InternalMemSetMem):
    push    rdi
    mov     rax, r8
    mov     ah, al
    movq    mm0, rax
    mov     r8, rcx
    mov     rdi, r8                     # rdi <- Buffer
    mov     rcx, rdx
    and     edx, 7
    shr     rcx, 3
    jz      L_SetBytes
    pshufw  mm0, mm0, 0x0
L0:
    movntq  [rdi], mm0
    add     rdi, 8
    loop    L0
    mfence
L_SetBytes:
    mov     ecx, edx
    rep     stosb
    mov     rax, r8
    pop     rdi
    ret
Commit	Line	Data
4df876ad	1	#
	2	# ConvertAsm.py: Automatically generated from SetMem.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	# SetMem.S
	18	#
	19	# Abstract:
	20	#
	21	# SetMem function
	22	#
	23	# Notes:
	24	#
	25	#------------------------------------------------------------------------------
	26
	27
	28	#------------------------------------------------------------------------------
	29	# VOID *
	30	# EFIAPI
	31	# InternalMemSetMem (
	32	# IN VOID *Buffer,
	33	# IN UINTN Count,
	34	# IN UINT8 Value
	35	# )
	36	#------------------------------------------------------------------------------
	37	.intel_syntax noprefix
	38	.globl ASM_PFX(InternalMemSetMem)
	39	ASM_PFX(InternalMemSetMem):
	40	push rdi
	41	mov rax, r8
	42	mov ah, al
	43	movq mm0, rax
	44	mov r8, rcx
	45	mov rdi, r8 # rdi <- Buffer
	46	mov rcx, rdx
	47	and edx, 7
	48	shr rcx, 3
	49	jz L_SetBytes
	50	pshufw mm0, mm0, 0x0
	51	L0:
	52	movntq [rdi], mm0
	53	add rdi, 8
	54	loop L0
	55	mfence
	56	L_SetBytes:
	57	mov ecx, edx
	58	rep stosb
	59	mov rax, r8
	60	pop rdi
	61	ret
	62