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- /* SPDX-License-Identifier: GPL-2.0 */
- /*
- * Copyright (C) 2019 Arm Limited
- * Original author: Dave Martin <[email protected]>
- */
- #ifndef COMPILER_H
- #define COMPILER_H
- #define __always_unused __attribute__((__unused__))
- #define __noreturn __attribute__((__noreturn__))
- #define __unreachable() __builtin_unreachable()
- /* curse(e) has value e, but the compiler cannot assume so */
- #define curse(e) ({ \
- __typeof__(e) __curse_e = (e); \
- asm ("" : "+r" (__curse_e)); \
- __curse_e; \
- })
- #endif /* ! COMPILER_H */
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