| commit | 3c3763fc529114e209aea08336a420c5d5be4dc2 | [log] [tgz] |
|---|---|---|
| author | Szabolcs Nagy <nsz@port70.net> | Thu Nov 29 23:33:40 2018 +0000 |
| committer | Rich Felker <dalias@aerifal.cx> | Wed Apr 17 13:12:08 2019 -0400 |
| tree | 6ab36f16fb49fa0b92c433b5a9fe080237326f1a | |
| parent | 4f8acf953ccf1a978a3378db7fb1e8d5a7afbca1 [diff] |
math: add macros for static branch prediction hints These don't have an effectw with -Os so not useful with default settings other than documenting the expectation. With --enable-optimize=internal,malloc,string,math the libc.so code size increases by 18K on x86_64 and performance varies in -2% .. +10%.