| /* Initialize cpu feature data. PowerPC version. |
| Copyright (C) 2017-2018 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/>. */ |
| |
| #include <stdint.h> |
| #include <cpu-features.h> |
| |
| #if HAVE_TUNABLES |
| # include <elf/dl-tunables.h> |
| #endif |
| |
| static inline void |
| init_cpu_features (struct cpu_features *cpu_features) |
| { |
| /* Default is to use aligned memory access on optimized function unless |
| tunables is enable, since for this case user can explicit disable |
| unaligned optimizations. */ |
| #if HAVE_TUNABLES |
| int32_t cached_memfunc = TUNABLE_GET (glibc, tune, cached_memopt, int32_t, |
| NULL); |
| cpu_features->use_cached_memopt = (cached_memfunc > 0); |
| #else |
| cpu_features->use_cached_memopt = false; |
| #endif |
| } |
