;------------------------------------------------------------------------------ ; ; 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: ; ; SetMem16.asm ; ; Abstract: ; ; SetMem16 function ; ; Notes: ; ;------------------------------------------------------------------------------ .686 .model flat,C .xmm .code ;------------------------------------------------------------------------------ ; VOID * ; _mem_SetMem16 ( ; IN VOID *Buffer, ; IN UINTN Count, ; IN UINT16 Value ; ) ;------------------------------------------------------------------------------ InternalMemSetMem16 PROC USES edi mov edx, [esp + 12] mov edi, [esp + 8] xor ecx, ecx sub ecx, edi and ecx, 15 ; ecx + edi aligns on 16-byte boundary mov eax, [esp + 16] jz @F shr ecx, 1 cmp ecx, edx cmova ecx, edx sub edx, ecx rep stosw @@: mov ecx, edx and edx, 7 shr ecx, 3 jz @SetWords movd xmm0, eax pshuflw xmm0, xmm0, 0 movlhps xmm0, xmm0 @@: movntdq [edi], xmm0 ; edi should be 16-byte aligned add edi, 16 loop @B mfence @SetWords: mov ecx, edx rep stosw mov eax, [esp + 8] ret InternalMemSetMem16 ENDP END