Upgrade Lua to 5.4.3 (#217)

Based on https://github.com/lua/lua/releases/tag/v5.4.3 (commit eadd8c7).
This commit is contained in:
Paul Kulchenko 2021-07-28 09:26:35 -07:00 committed by GitHub
parent 3ac6576fe5
commit a73e808b25
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41 changed files with 464 additions and 264 deletions

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@ -659,6 +659,34 @@
#define lua_getlocaledecpoint() (localeconv()->decimal_point[0])
#endif
/*
** macros to improve jump prediction, used mostly for error handling
** and debug facilities. (Some macros in the Lua API use these macros.
** Define LUA_NOBUILTIN if you do not want '__builtin_expect' in your
** code.)
*/
#if !defined(luai_likely)
#if defined(__GNUC__) && !defined(LUA_NOBUILTIN)
#define luai_likely(x) (__builtin_expect(((x) != 0), 1))
#define luai_unlikely(x) (__builtin_expect(((x) != 0), 0))
#else
#define luai_likely(x) (x)
#define luai_unlikely(x) (x)
#endif
#endif
#if defined(LUA_CORE) || defined(LUA_LIB)
/* shorter names for Lua's own use */
#define l_likely(x) luai_likely(x)
#define l_unlikely(x) luai_unlikely(x)
#endif
/* }================================================================== */