| 1 | //===-- Portable attributes -------------------------------------*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // This header file defines macros for declaring attributes for functions, |
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| 9 | // types, and variables. |
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| 10 | // |
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| 11 | // These macros are used within llvm-libc and allow the compiler to optimize, |
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| 12 | // where applicable, certain function calls. |
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| 13 | // |
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| 14 | // Most macros here are exposing GCC or Clang features, and are stubbed out for |
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| 15 | // other compilers. |
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| 16 | |
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| 17 | #ifndef LLVM_LIBC_SRC___SUPPORT_MACROS_ATTRIBUTES_H |
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| 18 | #define LLVM_LIBC_SRC___SUPPORT_MACROS_ATTRIBUTES_H |
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| 19 | |
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| 20 | #include "properties/architectures.h" |
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| 21 | |
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| 22 | #define LIBC_INLINE inline |
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| 23 | #define LIBC_INLINE_VAR inline |
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| 24 | #define LIBC_INLINE_ASM __asm__ __volatile__ |
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| 25 | #define LIBC_UNUSED __attribute__((unused)) |
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| 26 | |
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| 27 | #ifdef LIBC_TARGET_ARCH_IS_GPU |
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| 28 | #define LIBC_THREAD_LOCAL |
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| 29 | #else |
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| 30 | #define LIBC_THREAD_LOCAL thread_local |
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| 31 | #endif |
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| 32 | |
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| 33 | #endif // LLVM_LIBC_SRC___SUPPORT_MACROS_ATTRIBUTES_H |
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| 34 | |
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