diff options
Diffstat (limited to 'MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S')
-rw-r--r-- | MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S b/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S deleted file mode 100644 index 63e2a993e7..0000000000 --- a/MdePkg/Library/BaseMemoryLibSse2/Ia32/SetMem.S +++ /dev/null @@ -1,76 +0,0 @@ -#------------------------------------------------------------------------------
-#
-# Copyright (c) 2006 - 2008, 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:
-#
-# SetMem.asm
-#
-# Abstract:
-#
-# SetMem function
-#
-# Notes:
-#
-#------------------------------------------------------------------------------
-
-
- #.MODEL flat,C
- .xmm:
- .code:
-
-#------------------------------------------------------------------------------
-# VOID *
-# _mem_SetMem (
-# IN VOID *Buffer,
-# IN UINTN Count,
-# IN UINT8 Value
-# );
-#------------------------------------------------------------------------------
-ASM_GLOBAL ASM_PFX(InternalMemSetMem)
-ASM_PFX(InternalMemSetMem):
- push %edi
- movl 12(%esp), %edx # edx <- Count
- movl 8(%esp), %edi # edi <- Buffer
- movb 16(%esp), %al # al <- Value
- xorl %ecx, %ecx
- subl %edi, %ecx
- andl $15, %ecx # ecx + edi aligns on 16-byte boundary
- jz L0
- cmpl %edx, %ecx
- cmova %edx, %ecx
- subl %ecx, %edx
- rep
- stosb
-L0:
- movl %edx, %ecx
- andl $15, %edx
- shrl $4, %ecx # ecx <- # of DQwords to set
- jz L_SetBytes
- movb %al, %ah # ax <- Value | (Value << 8)
- addl $-16, %esp
- movdqu %xmm0, (%esp)
- movd %eax, %xmm0
- pshuflw $0, %xmm0, %xmm0
- movlhps %xmm0, %xmm0
-L1:
- movntdq %xmm0, (%edi)
- addl $16, %edi
- loop L1
- mfence
- movdqu (%esp), %xmm0
- addl $16, %esp # stack cleanup
-L_SetBytes:
- movl %edx, %ecx
- rep
- stosb
- movl 8(%esp), %eax # eax <- Buffer as return value
- pop %edi
- ret
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