https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83022
Nathan Sidwell changed:
What|Removed |Added
Status|UNCONFIRMED |ASSIGNED
Last reconfirmed|
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83022
--- Comment #2 from Nathan Sidwell ---
Yes, this is a measurable degradation in going from gcc 4.9 -> 5.0 with myrocks
DB. Apparently 25% more queries/sec with gcc 4.9 (I think it's from a
benchmark). Profiling (by others) has fingered this
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83022
--- Comment #1 from Marc Glisse ---
I am pretty sure this was discussed when the patch was reviewed. IIRC the
original patch was specifically pattern-matching if(p!=0) (with p the result of
malloc) as the only acceptable condition between malloc
