diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.S')
-rw-r--r-- | MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.S | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.S b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.S new file mode 100644 index 000000000000..e6bdc14eabeb --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibSse2/X64/SetMem16.S @@ -0,0 +1,70 @@ +# +# ConvertAsm.py: Automatically generated from SetMem16.asm +# +#------------------------------------------------------------------------------ +# +# Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR> +# 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: +# +# SetMem16.S +# +# Abstract: +# +# SetMem16 function +# +# Notes: +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# VOID * +# EFIAPI +# InternalMemSetMem16 ( +# IN VOID *Buffer, +# IN UINTN Count, +# IN UINT16 Value +# ) +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(InternalMemSetMem16) +ASM_PFX(InternalMemSetMem16): + pushq %rdi + movq %rcx, %rdi + movq %rdi, %r9 + xorq %rcx, %rcx + subq %rdi, %rcx + andq $15, %rcx + movq %r8, %rax + jz L0 + shrq $1, %rcx + cmpq %rdx, %rcx + cmova %rdx, %rcx + subq %rcx, %rdx + rep stosw +L0: + movq %rdx, %rcx + andl $7, %edx + shrq $3, %rcx + jz L_SetWords + movd %eax, %xmm0 + pshuflw $0, %xmm0, %xmm0 + movlhps %xmm0, %xmm0 +L1: + movntdq %xmm0, (%rdi) + addq $16, %rdi + loop L1 + mfence +L_SetWords: + movl %edx, %ecx + rep stosw + movq %r9, %rax + popq %rdi + ret |