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ITS#9919 - Mark infrequently used functions as cold rather than manually putting them in a separate section

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Mike Hommey 2022-02-04 08:48:06 +09:00 committed by Howard Chu
parent b181666eec
commit abe36745d2
1 changed files with 14 additions and 8 deletions
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22
libraries/liblmdb/mdb.c
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@ -199,15 +199,21 @@ typedef SSIZE_T ssize_t;
# error "Two's complement, reasonably sized integer types, please" # error "Two's complement, reasonably sized integer types, please"
#endif #endif
#ifdef __GNUC__ #if (((__clang_major__ << 8) | __clang_minor__) >= 0x0302) || (((__GNUC__ << 8) | __GNUC_MINOR__) >= 0x0403)
/** Put infrequently used env functions in separate section */ /** Mark infrequently used env functions as cold. This puts them in a separate
# ifdef __APPLE__ * section, and optimizes them for size */
# define ESECT __attribute__ ((section("__TEXT,text_env"))) #define ESECT __attribute__ ((cold))
# else
# define ESECT __attribute__ ((section("text_env")))
# endif
#else #else
#define ESECT /* On older compilers, use a separate section */
# ifdef __GNUC__
# ifdef __APPLE__
# define ESECT __attribute__ ((section("__TEXT,text_env")))
# else
# define ESECT __attribute__ ((section("text_env")))
# endif
# else
# define ESECT
# endif
#endif #endif
#ifdef _WIN32 #ifdef _WIN32