| #------------------------------------------------------------------------------ |
| # |
| # 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 |
| # ) |
| #------------------------------------------------------------------------------ |
| .global _InternalMemSetMem16 |
| _InternalMemSetMem16: |
| 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 %ecx |
| cmpl %edx, %ecx |
| cmova %edx, %ecx |
| subl %ecx, %edx |
| rep |
| stosw |
| L0: |
| movl %edx, %ecx |
| andl $7, %edx |
| shrl $3, %ecx |
| jz @SetWords |
| movd %eax, %xmm0 |
| pshuflw $0, %xmm0, %xmm0 |
| movlhps %xmm0, %xmm0 |
| L1: |
| movntdq %xmm0, (%edi) |
| addl $16, %edi |
| loop L1 |
| mfence |
| @SetWords: |
| movl %edx, %ecx |
| rep |
| stosw |
| movl 8(%esp), %eax |
| pop %edi |
| ret |
