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22 lines
527 B
22 lines
527 B
3 years ago
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/* SPDX-License-Identifier: GPL-2.0 */
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/*
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* Copyright (C) 2019 Arm Limited
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* Original author: Dave Martin <Dave.Martin@arm.com>
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*/
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#ifndef COMPILER_H
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#define COMPILER_H
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#define __always_unused __attribute__((__unused__))
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#define __noreturn __attribute__((__noreturn__))
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#define __unreachable() __builtin_unreachable()
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/* curse(e) has value e, but the compiler cannot assume so */
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#define curse(e) ({ \
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__typeof__(e) __curse_e = (e); \
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asm ("" : "+r" (__curse_e)); \
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__curse_e; \
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})
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#endif /* ! COMPILER_H */
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