blob: c2aed62fe546625e240e224031325649f650881d (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
|
/* Optimized memset for AmpereComputing emag processor.
Copyright (C) 2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library. If not, see
<http://www.gnu.org/licenses/>. */
#if IS_IN (libc)
# define MEMSET __memset_emag
/*
* Using DC ZVA to zero memory does not produce better performance if
* memory size is not very large, especially when there are multiple
* processes/threads contending memory/cache. Here we set threshold to
* zero to disable using DC ZVA, which is good for multi-process/thread
* workloads.
*/
# define DC_ZVA_THRESHOLD 0
# include "./memset_base64.S"
#endif
|
