diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S | 116 |
1 files changed, 58 insertions, 58 deletions
diff --git a/MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S b/MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S index f8d24cc23e..4564306632 100644 --- a/MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S +++ b/MdePkg/Library/BaseMemoryLibMmx/X64/ZeroMem.S @@ -1,58 +1,58 @@ -# -# ConvertAsm.py: Automatically generated from ZeroMem.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: -# -# ZeroMem.S -# -# Abstract: -# -# ZeroMem function -# -# Notes: -# -#------------------------------------------------------------------------------ - - -#------------------------------------------------------------------------------ -# VOID * -# InternalMemZeroMem ( -# IN VOID *Buffer, -# IN UINTN Count -# ); -#------------------------------------------------------------------------------ -.intel_syntax noprefix -.globl ASM_PFX(InternalMemZeroMem) -ASM_PFX(InternalMemZeroMem): - push rdi - mov rdi, rcx - mov rcx, rdx - mov r8, rdi - and edx, 7 - shr rcx, 3 - jz L_ZeroBytes - pxor mm0, mm0 -L0: - movntq [rdi], mm0 - add rdi, 8 - loop L0 - mfence -L_ZeroBytes: - xor eax, eax - mov ecx, edx - rep stosb - mov rax, r8 - pop rdi - ret - +#
+# ConvertAsm.py: Automatically generated from ZeroMem.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:
+#
+# ZeroMem.S
+#
+# Abstract:
+#
+# ZeroMem function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+
+#------------------------------------------------------------------------------
+# VOID *
+# InternalMemZeroMem (
+# IN VOID *Buffer,
+# IN UINTN Count
+# );
+#------------------------------------------------------------------------------
+.intel_syntax noprefix
+.globl ASM_PFX(InternalMemZeroMem)
+ASM_PFX(InternalMemZeroMem):
+ push rdi
+ mov rdi, rcx
+ mov rcx, rdx
+ mov r8, rdi
+ and edx, 7
+ shr rcx, 3
+ jz L_ZeroBytes
+ pxor mm0, mm0
+L0:
+ movntq [rdi], mm0
+ add rdi, 8
+ loop L0
+ mfence
+L_ZeroBytes:
+ xor eax, eax
+ mov ecx, edx
+ rep stosb
+ mov rax, r8
+ pop rdi
+ ret
+
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