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

#\r
# ConvertAsm.py: Automatically generated from SetMem32.asm\r
#\r
#------------------------------------------------------------------------------\r
#\r
# Copyright (c) 2006 - 2009, 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
ASM_GLOBAL ASM_PFX(InternalMemSetMem32)\r
ASM_PFX(InternalMemSetMem32):\r
    pushq   %rdi\r
    movq    %rcx, %rdi\r
    movq    %rdi, %r9\r
    xorq    %rcx, %rcx\r
    subq    %rdi, %rcx\r
    andq    $15, %rcx\r
    movq    %r8, %rax\r
    jz      L0\r
    shrq    $2, %rcx\r
    cmpq    %rdx, %rcx\r
    cmova   %rdx, %rcx\r
    subq    %rcx, %rdx\r
    rep     stosl\r
L0:\r
    movq    %rdx, %rcx\r
    andl    $3, %edx\r
    shrq    $2, %rcx\r
    jz      L_SetDwords\r
    movd    %eax, %xmm0\r
    pshufd  $0, %xmm0, %xmm0\r
L1:\r
    movntdq %xmm0, (%rdi)\r
    addq    $16, %rdi\r
    loop    L1\r
    mfence\r
L_SetDwords:\r
    movl    %edx, %ecx\r
    rep     stosl\r
    movq    %r9, %rax\r
    popq    %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
1fef058f	6	# Copyright (c) 2006 - 2009, 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
132f41f0	37	ASM_GLOBAL ASM_PFX(InternalMemSetMem32)\r
b1ff428c	38	ASM_PFX(InternalMemSetMem32):\r
1fef058f	39	pushq %rdi\r
	40	movq %rcx, %rdi\r
	41	movq %rdi, %r9\r
	42	xorq %rcx, %rcx\r
	43	subq %rdi, %rcx\r
	44	andq $15, %rcx\r
	45	movq %r8, %rax\r
b1ff428c	46	jz L0\r
1fef058f	47	shrq $2, %rcx\r
	48	cmpq %rdx, %rcx\r
	49	cmova %rdx, %rcx\r
	50	subq %rcx, %rdx\r
	51	rep stosl\r
b1ff428c	52	L0:\r
1fef058f	53	movq %rdx, %rcx\r
	54	andl $3, %edx\r
	55	shrq $2, %rcx\r
b1ff428c	56	jz L_SetDwords\r
1fef058f	57	movd %eax, %xmm0\r
1fef058f	58	pshufd $0, %xmm0, %xmm0\r
b1ff428c	59	L1:\r
1fef058f	60	movntdq %xmm0, (%rdi)\r
1fef058f	61	addq $16, %rdi\r
b1ff428c	62	loop L1\r
	63	mfence\r
	64	L_SetDwords:\r
1fef058f	65	movl %edx, %ecx\r
	66	rep stosl\r
	67	movq %r9, %rax\r
	68	popq %rdi\r
b1ff428c	69	ret\r