diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem64.S')
-rw-r--r-- | MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem64.S | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem64.S b/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem64.S new file mode 100644 index 0000000000..bd1eee7852 --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/ScanMem64.S @@ -0,0 +1,56 @@ +# +# ConvertAsm.py: Automatically generated from ScanMem64.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: +# +# ScanMem64.S +# +# Abstract: +# +# ScanMem64 function +# +# Notes: +# +# The following BaseMemoryLib instances contain the same copy of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# BaseMemoryLibOptDxe +# BaseMemoryLibOptPei +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# CONST VOID * +# EFIAPI +# InternalMemScanMem64 ( +# IN CONST VOID *Buffer, +# IN UINTN Length, +# IN UINT64 Value +# ); +#------------------------------------------------------------------------------ +.intel_syntax noprefix +.globl ASM_PFX(InternalMemScanMem64) +ASM_PFX(InternalMemScanMem64): + push rdi + mov rdi, rcx + mov rax, r8 + mov rcx, rdx + repne scasq + lea rax, [rdi - 8] + cmovnz rax, rcx + pop rdi + ret |