diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.S')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.S | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.S b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.S new file mode 100644 index 0000000000..06ffe768eb --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem32.S @@ -0,0 +1,70 @@ +# +# ConvertAsm.py: Automatically generated from SetMem32.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: +# +# SetMem32.S +# +# Abstract: +# +# SetMem32 function +# +# Notes: +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# VOID * +# EFIAPI +# InternalMemSetMem32 ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT32 Value +# ); +#------------------------------------------------------------------------------ +.intel_syntax noprefix +.globl ASM_PFX(InternalMemSetMem32) +ASM_PFX(InternalMemSetMem32): + push rdi + mov rdi, rcx + mov r9, rdi + xor rcx, rcx + sub rcx, rdi + and rcx, 15 + mov rax, r8 + jz L0 + shr rcx, 2 + cmp rcx, rdx + cmova rcx, rdx + sub rdx, rcx + rep stosd +L0: + mov rcx, rdx + and edx, 3 + shr rcx, 2 + jz _SetDwords_L2 + movd xmm0, eax + pshufd xmm0, xmm0, 0 +L1: + movntdq [rdi], xmm0 + add rdi, 16 + loop L1 + mfence +_SetDwords_L2: + mov ecx, edx + rep stosd + mov rax, r9 + pop rdi + ret |