1 /* Initialize cpu feature data. PowerPC version.
2 Copyright (C) 2017-2022 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
20 #include <cpu-features.h>
23 # include <elf/dl-tunables.h>
27 init_cpu_features (struct cpu_features
*cpu_features
)
29 /* Default is to use aligned memory access on optimized function unless
30 tunables is enable, since for this case user can explicit disable
31 unaligned optimizations. */
33 int32_t cached_memfunc
= TUNABLE_GET (glibc
, cpu
, cached_memopt
, int32_t,
35 cpu_features
->use_cached_memopt
= (cached_memfunc
> 0);
37 cpu_features
->use_cached_memopt
= false;