diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S')
| -rw-r--r-- | MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S | 136 |
1 files changed, 68 insertions, 68 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S index f91169a6e0..c068908821 100644 --- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S +++ b/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem32.S @@ -1,68 +1,68 @@ -#------------------------------------------------------------------------------ -# -# 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.asm -# -# Abstract: -# -# SetMem32 function -# -# Notes: -# -#------------------------------------------------------------------------------ - -.globl _InternalMemSetMem32 - -#------------------------------------------------------------------------------ -# VOID * -# EFIAPI -# InternalMemSetMem32 ( -# IN VOID *Buffer, -# IN UINTN Count, -# IN UINT32 Value -# ); -#------------------------------------------------------------------------------ -_InternalMemSetMem32: - push %edi - movl 12(%esp), %edx - movl 8(%esp), %edi - xorl %ecx, %ecx - subl %edi, %ecx - andl $15, %ecx # ecx + edi aligns on 16-byte boundary - movl 16(%esp), %eax - jz L0 - shrl $2, %ecx - cmpl %edx, %ecx - cmova %edx, %ecx - subl %ecx, %edx - rep - stosl -L0: - movl %edx, %ecx - andl $3, %edx - shrl $2, %ecx - jz L_SetDwords - movd %eax, %xmm0 - pshufd $0, %xmm0, %xmm0 -L1: - movntdq %xmm0, (%edi) - addl $16, %edi - loop L1 - mfence -L_SetDwords: - movl %edx, %ecx - rep - stosl - movl 8(%esp), %eax - pop %edi - ret +#------------------------------------------------------------------------------
+#
+# 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.asm
+#
+# Abstract:
+#
+# SetMem32 function
+#
+# Notes:
+#
+#------------------------------------------------------------------------------
+
+.globl _InternalMemSetMem32
+
+#------------------------------------------------------------------------------
+# VOID *
+# EFIAPI
+# InternalMemSetMem32 (
+# IN VOID *Buffer,
+# IN UINTN Count,
+# IN UINT32 Value
+# );
+#------------------------------------------------------------------------------
+_InternalMemSetMem32:
+ push %edi
+ movl 12(%esp), %edx
+ movl 8(%esp), %edi
+ xorl %ecx, %ecx
+ subl %edi, %ecx
+ andl $15, %ecx # ecx + edi aligns on 16-byte boundary
+ movl 16(%esp), %eax
+ jz L0
+ shrl $2, %ecx
+ cmpl %edx, %ecx
+ cmova %edx, %ecx
+ subl %ecx, %edx
+ rep
+ stosl
+L0:
+ movl %edx, %ecx
+ andl $3, %edx
+ shrl $2, %ecx
+ jz L_SetDwords
+ movd %eax, %xmm0
+ pshufd $0, %xmm0, %xmm0
+L1:
+ movntdq %xmm0, (%edi)
+ addl $16, %edi
+ loop L1
+ mfence
+L_SetDwords:
+ movl %edx, %ecx
+ rep
+ stosl
+ movl 8(%esp), %eax
+ pop %edi
+ ret
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