2020-04-10 01:11:40 -04:00
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#ifndef RUBY3_ATTR_COLD_H /*-*-C++-*-vi:se ft=cpp:*/
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#define RUBY3_ATTR_COLD_H
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/**
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2020-04-08 00:28:13 -04:00
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* @file
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* @author Ruby developers <ruby-core@ruby-lang.org>
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* @copyright This file is a part of the programming language Ruby.
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* Permission is hereby granted, to either redistribute and/or
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* modify this file, provided that the conditions mentioned in the
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* file COPYING are met. Consult the file for details.
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* @warning Symbols prefixed with either `RUBY3` or `ruby3` are
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* implementation details. Don't take them as canon. They could
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* rapidly appear then vanish. The name (path) of this header file
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* is also an implementation detail. Do not expect it to persist
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* at the place it is now. Developers are free to move it anywhere
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* anytime at will.
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* @note To ruby-core: remember that this header can be possibly
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* recursively included from extension libraries written in C++.
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* Do not expect for instance `__VA_ARGS__` is always available.
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* We assume C99 for ruby itself but we don't assume languages of
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* extension libraries. They could be written in C++98.
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* @brief Defines #RUBY3_ATTR_COLD.
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*/
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#include "ruby/3/compiler_is.h"
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/** Wraps (or simulates) `__attribute__((cold))` */
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2020-04-10 01:11:40 -04:00
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#if RUBY3_COMPILER_IS(SunPro)
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2020-04-08 00:28:13 -04:00
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# /* Recent SunPro has __has_attribute, and is borken. */
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# /* It reports it has attribute cold, reality isn't (warnings issued). */
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# define RUBY3_ATTR_COLD() /* void */
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#elif RUBY3_HAS_ATTRIBUTE(cold)
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# define RUBY3_ATTR_COLD() __attribute__((__cold__))
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#else
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# define RUBY3_ATTR_COLD() /* void */
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#endif
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2020-04-10 01:11:40 -04:00
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#endif /* RUBY3_ATTR_COLD_H */
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