X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;ds=sidebyside;f=MdePkg%2FLibrary%2FBaseMemoryLibSse2%2FX64%2FSetMem64.S;h=a9565ce97a46a903d388d3f4225045cff7ab0164;hb=1fef058f4b8fefc455bb171e4908c3e835b1b492;hp=870f8c0ee930d60d0ec52e390d61d175fa26d378;hpb=852f5d9673d9a352edb5cfb81980a5d105670a7c;p=mirror_edk2.git diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem64.S b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem64.S index 870f8c0ee9..a9565ce97a 100644 --- a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem64.S +++ b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem64.S @@ -1,61 +1,60 @@ -# -# ConvertAsm.py: Automatically generated from SetMem64.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: -# -# SetMem64.S -# -# Abstract: -# -# SetMem64 function -# -# Notes: -# -#------------------------------------------------------------------------------ - - -#------------------------------------------------------------------------------ -# VOID * -# InternalMemSetMem64 ( -# IN VOID *Buffer, -# IN UINTN Count, -# IN UINT64 Value -# ) -#------------------------------------------------------------------------------ -.intel_syntax noprefix -.globl ASM_PFX(InternalMemSetMem64) -ASM_PFX(InternalMemSetMem64): - mov rax, rcx # rax <- Buffer - xchg rcx, rdx # rcx <- Count & rdx <- Buffer - test dl, 8 - movq xmm0, r8 - jz L0 - mov [rdx], r8 - add rdx, 8 - dec rcx -L0: - shr rcx, 1 - jz L_SetQwords - movlhps xmm0, xmm0 -L1: - movntdq [rdx], xmm0 - lea rdx, [rdx + 16] - loop L1 - mfence -L_SetQwords: - jnc L2 - mov [rdx], r8 -L2: - ret - +# +# ConvertAsm.py: Automatically generated from SetMem64.asm +# +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2009, 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: +# +# SetMem64.S +# +# Abstract: +# +# SetMem64 function +# +# Notes: +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# VOID * +# InternalMemSetMem64 ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT64 Value +# ) +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(InternalMemSetMem64) +ASM_PFX(InternalMemSetMem64): + movq %rcx, %rax # rax <- Buffer + xchgq %rdx, %rcx # rcx <- Count & rdx <- Buffer + testb $8, %dl + movq %r8, %xmm0 + jz L0 + movq %r8, (%rdx) + addq $8, %rdx + decq %rcx +L0: + shrq $1, %rcx + jz L_SetQwords + movlhps %xmm0, %xmm0 +L1: + movntdq %xmm0, (%rdx) + leaq 16(%rdx), %rdx + loop L1 + mfence +L_SetQwords: + jnc L2 + movq %r8, (%rdx) +L2: + ret +