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author | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2021-02-24 11:14:44 -0300 |
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committer | Roberto Ierusalimschy <roberto@inf.puc-rio.br> | 2021-02-24 11:14:44 -0300 |
commit | 59c88f846d1dcd901a4420651aedf27816618923 (patch) | |
tree | 0e76a066c383cbc99cc2f60b8b4f97c5df45e479 /llimits.h | |
parent | c03c527fd207b4ad8f5a8e0f4f2c176bd227c979 (diff) | |
download | lua-59c88f846d1dcd901a4420651aedf27816618923.tar.gz lua-59c88f846d1dcd901a4420651aedf27816618923.tar.bz2 lua-59c88f846d1dcd901a4420651aedf27816618923.zip |
Broadening the use of branch hints
More uses of macros 'likely'/'unlikely' (renamed to
'l_likely'/'l_unlikely'), both in range (extended to the
libraries) and in scope (extended to hooks, stack growth).
Diffstat (limited to 'llimits.h')
-rw-r--r-- | llimits.h | 16 |
1 files changed, 0 insertions, 16 deletions
@@ -150,22 +150,6 @@ typedef LUAI_UACINT l_uacInt; | |||
150 | 150 | ||
151 | 151 | ||
152 | /* | 152 | /* |
153 | ** macros to improve jump prediction (used mainly for error handling) | ||
154 | */ | ||
155 | #if !defined(likely) | ||
156 | |||
157 | #if defined(__GNUC__) | ||
158 | #define likely(x) (__builtin_expect(((x) != 0), 1)) | ||
159 | #define unlikely(x) (__builtin_expect(((x) != 0), 0)) | ||
160 | #else | ||
161 | #define likely(x) (x) | ||
162 | #define unlikely(x) (x) | ||
163 | #endif | ||
164 | |||
165 | #endif | ||
166 | |||
167 | |||
168 | /* | ||
169 | ** non-return type | 153 | ** non-return type |
170 | */ | 154 | */ |
171 | #if !defined(l_noret) | 155 | #if !defined(l_noret) |