;------------------------------------------------------------------------------ ; ; Copyright (c) 2006, 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: ; ; SetMem16.nasm ; ; Abstract: ; ; SetMem16 function ; ; Notes: ; ;------------------------------------------------------------------------------ DEFAULT REL SECTION .text ;------------------------------------------------------------------------------ ; VOID * ; InternalMemSetMem16 ( ; IN VOID *Buffer, ; IN UINTN Count, ; IN UINT16 Value ; ) ;------------------------------------------------------------------------------ global ASM_PFX(InternalMemSetMem16) ASM_PFX(InternalMemSetMem16): push rdi mov rdi, rcx mov r9, rdi xor rcx, rcx sub rcx, rdi and rcx, 15 mov rax, r8 jz .0 shr rcx, 1 cmp rcx, rdx cmova rcx, rdx sub rdx, rcx rep stosw .0: mov rcx, rdx and edx, 7 shr rcx, 3 jz @SetWords movd xmm0, eax pshuflw xmm0, xmm0, 0 movlhps xmm0, xmm0 .1: movntdq [rdi], xmm0 add rdi, 16 loop .1 mfence @SetWords: mov ecx, edx rep stosw mov rax, r9 pop rdi ret