https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95862
Jakub Jelinek <jakub at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Component|tree-optimization |rtl-optimization
Last reconfirmed| |2020-11-24
Ever confirmed|0 |1
Status|UNCONFIRMED |ASSIGNED
--- Comment #2 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
I don't really see why it woiuld need to do the 128-bit multiplication at all,
it can just do ((int64_t) a * b) < 0 (aka ((uint64_t) a * b) >> 63).
