//===-- cpu_model_common.c - Utilities for cpu model detection ----*- C -*-===// // // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. // See https://llvm.org/LICENSE.txt for license information. // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception // //===----------------------------------------------------------------------===// // // This file implements common utilities for runtime cpu model detection. // //===----------------------------------------------------------------------===// #ifndef COMPILER_RT_LIB_BUILTINS_CPU_MODEL_COMMON_H #define COMPILER_RT_LIB_BUILTINS_CPU_MODEL_COMMON_H #define bool … #define true … #define false … #ifndef __has_attribute #define __has_attribute … #endif #if __has_attribute(constructor) #if __GNUC__ >= 9 // Ordinarily init priorities below 101 are disallowed as they are reserved for // the implementation. However, we are the implementation, so silence the // diagnostic, since it doesn't apply to us. #pragma GCC diagnostic ignored "-Wprio-ctor-dtor" #endif // We're choosing init priority 90 to force our constructors to run before any // constructors in the end user application (starting at priority 101). This // value matches the libgcc choice for the same functions. #define CONSTRUCTOR_ATTRIBUTE … #else // FIXME: For MSVC, we should make a function pointer global in .CRT$X?? so that // this runs during initialization. #define CONSTRUCTOR_ATTRIBUTE #endif #endif