1 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 2 // See https://llvm.org/LICENSE.txt for license information. 3 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 4 5 #include "../cpu_model/aarch64.h" 6 7 struct FEATURES { 8 unsigned long long features; 9 }; 10 11 extern struct FEATURES __aarch64_cpu_features; 12 13 #if __GNUC__ >= 9 14 #pragma GCC diagnostic ignored "-Wprio-ctor-dtor" 15 #endif 16 __attribute__((constructor(90))) static void get_aarch64_cpu_features(void) { 17 if (__atomic_load_n(&__aarch64_cpu_features.features, __ATOMIC_RELAXED)) 18 return; 19 20 __init_cpu_features(); 21 } 22