diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem32.S')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem32.S | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem32.S b/MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem32.S new file mode 100644 index 000000000000..9979e972cfaa --- /dev/null +++ b/MdePkg/Library/BaseMemoryLibSse2/X64/ScanMem32.S @@ -0,0 +1,56 @@ +# +# ConvertAsm.py: Automatically generated from ScanMem32.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: +# +# ScanMem32.S +# +# Abstract: +# +# ScanMem32 function +# +# Notes: +# +# The following BaseMemoryLib instances contain the same copy of this file: +# +# BaseMemoryLibRepStr +# BaseMemoryLibMmx +# BaseMemoryLibSse2 +# BaseMemoryLibOptDxe +# BaseMemoryLibOptPei +# +#------------------------------------------------------------------------------ + + +#------------------------------------------------------------------------------ +# CONST VOID * +# EFIAPI +# InternalMemScanMem32 ( +# IN CONST VOID *Buffer, +# IN UINTN Length, +# IN UINT32 Value +# ); +#------------------------------------------------------------------------------ +ASM_GLOBAL ASM_PFX(InternalMemScanMem32) +ASM_PFX(InternalMemScanMem32): + pushq %rdi + movq %rcx, %rdi + movq %rdx, %rcx + movq %r8, %rax + repne scasl + leaq -4(%rdi), %rax + cmovnz %rcx, %rax # set rax to 0 if not found + popq %rdi + ret + |
