diff options
Diffstat (limited to 'EdkCompatibilityPkg/Foundation/Library/CompilerStub/Ia32/memsetSSE2.asm')
-rw-r--r-- | EdkCompatibilityPkg/Foundation/Library/CompilerStub/Ia32/memsetSSE2.asm | 74 |
1 files changed, 0 insertions, 74 deletions
diff --git a/EdkCompatibilityPkg/Foundation/Library/CompilerStub/Ia32/memsetSSE2.asm b/EdkCompatibilityPkg/Foundation/Library/CompilerStub/Ia32/memsetSSE2.asm deleted file mode 100644 index db488c1f2e..0000000000 --- a/EdkCompatibilityPkg/Foundation/Library/CompilerStub/Ia32/memsetSSE2.asm +++ /dev/null @@ -1,74 +0,0 @@ -;------------------------------------------------------------------------------
-;
-; Copyright (c) 2007, 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:
-;
-; memset function
-;
-; Notes:
-;
-;------------------------------------------------------------------------------
-
- .686
- .model flat,C
- .xmm
- .code
-
-;------------------------------------------------------------------------------
-; VOID *
-; memset (
-; OUT VOID *Buffer,
-; IN UINT8 Value,
-; IN UINTN Count
-; )
-;------------------------------------------------------------------------------
-memset PROC USES edi
- mov edx, [esp + 16] ; edx <- Count
- cmp edx, 0 ; if Count == 0, do nothing
- je @SetDone
- mov edi, [esp + 8] ; edi <- Buffer
- mov al, [esp + 12] ; al <- Value
- xor ecx, ecx
- sub ecx, edi
- and ecx, 15 ; ecx + edi aligns on 16-byte boundary
- jz @F
- cmp ecx, edx
- cmova ecx, edx
- sub edx, ecx
- rep stosb
-@@:
- mov ecx, edx
- and edx, 15
- shr ecx, 4 ; ecx <- # of DQwords to set
- jz @SetBytes
- mov ah, al ; ax <- Value | (Value << 8)
- add esp, -16
- movd xmm0, eax
- pshuflw xmm0, xmm0, 0 ; xmm0[0..63] <- Value repeats 8 times
- movlhps xmm0, xmm0 ; xmm0 <- Value repeats 16 times
-@@:
- movdqa [edi], xmm0 ; edi should be 16-byte aligned
- add edi, 16
- loop @B
- add esp, 16 ; stack cleanup
-@SetBytes:
- mov ecx, edx
- rep stosb
-@SetDone:
- mov eax, [esp + 8] ; eax <- Buffer as return value
- ret
-memset ENDP
-
- END
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