[mirror_edk2.git] / MdePkg / Library / BaseMemoryLibSse2 / X64 / SetMem32.S

#\r
# ConvertAsm.py: Automatically generated from SetMem32.asm\r
#\r
#------------------------------------------------------------------------------\r
#\r
# Copyright (c) 2006 - 2008, 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
#   SetMem32.S\r
#\r
# Abstract:\r
#\r
#   SetMem32 function\r
#\r
# Notes:\r
#\r
#------------------------------------------------------------------------------\r
\r
\r
#------------------------------------------------------------------------------\r
#  VOID *\r
#  EFIAPI\r
#  InternalMemSetMem32 (\r
#    IN VOID   *Buffer,\r
#    IN UINTN  Count,\r
#    IN UINT32 Value\r
#    );\r
#------------------------------------------------------------------------------\r
.intel_syntax noprefix\r
.globl ASM_PFX(InternalMemSetMem32)\r
ASM_PFX(InternalMemSetMem32):\r
    push    rdi\r
    mov     rdi, rcx\r
    mov     r9, rdi\r
    xor     rcx, rcx\r
    sub     rcx, rdi\r
    and     rcx, 15\r
    mov     rax, r8\r
    jz      L0\r
    shr     rcx, 2\r
    cmp     rcx, rdx\r
    cmova   rcx, rdx\r
    sub     rdx, rcx\r
    rep     stosd\r
L0:\r
    mov     rcx, rdx\r
    and     edx, 3\r
    shr     rcx, 2\r
    jz      L_SetDwords\r
    movd    xmm0, eax\r
    pshufd  xmm0, xmm0, 0\r
L1:\r
    movntdq [rdi], xmm0\r
    add     rdi, 16\r
    loop    L1\r
    mfence\r
L_SetDwords:\r
    mov     ecx, edx\r
    rep     stosd\r
    mov     rax, r9\r
    pop     rdi\r
    ret\r
Commit	Line	Data
b1ff428c	1	#\r
	2	# ConvertAsm.py: Automatically generated from SetMem32.asm\r
	3	#\r
	4	#------------------------------------------------------------------------------\r
	5	#\r
373ade0e	6	# Copyright (c) 2006 - 2008, Intel Corporation\r
b1ff428c	7	# All rights reserved. This program and the accompanying materials\r
	8	# are licensed and made available under the terms and conditions of the BSD License\r
	9	# which accompanies this distribution. The full text of the license may be found at\r
	10	# http://opensource.org/licenses/bsd-license.php\r
	11	#\r
	12	# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	13	# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	14	#\r
	15	# Module Name:\r
	16	#\r
	17	# SetMem32.S\r
	18	#\r
	19	# Abstract:\r
	20	#\r
	21	# SetMem32 function\r
	22	#\r
	23	# Notes:\r
	24	#\r
	25	#------------------------------------------------------------------------------\r
	26	\r
	27	\r
	28	#------------------------------------------------------------------------------\r
	29	# VOID *\r
	30	# EFIAPI\r
	31	# InternalMemSetMem32 (\r
	32	# IN VOID *Buffer,\r
	33	# IN UINTN Count,\r
	34	# IN UINT32 Value\r
	35	# );\r
	36	#------------------------------------------------------------------------------\r
	37	.intel_syntax noprefix\r
	38	.globl ASM_PFX(InternalMemSetMem32)\r
	39	ASM_PFX(InternalMemSetMem32):\r
	40	push rdi\r
	41	mov rdi, rcx\r
	42	mov r9, rdi\r
	43	xor rcx, rcx\r
	44	sub rcx, rdi\r
	45	and rcx, 15\r
	46	mov rax, r8\r
	47	jz L0\r
	48	shr rcx, 2\r
	49	cmp rcx, rdx\r
	50	cmova rcx, rdx\r
	51	sub rdx, rcx\r
	52	rep stosd\r
	53	L0:\r
	54	mov rcx, rdx\r
	55	and edx, 3\r
	56	shr rcx, 2\r
	57	jz L_SetDwords\r
	58	movd xmm0, eax\r
	59	pshufd xmm0, xmm0, 0\r
	60	L1:\r
	61	movntdq [rdi], xmm0\r
	62	add rdi, 16\r
	63	loop L1\r
	64	mfence\r
	65	L_SetDwords:\r
	66	mov ecx, edx\r
	67	rep stosd\r
	68	mov rax, r9\r
	69	pop rdi\r
	70	ret\r