[Bug target/122781] z17: Inefficient code for vec_cmpgt for vector unsigned __int128
stefansf at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue Jan 20 08:13:14 GMT 2026
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122781
Stefan Schulze Frielinghaus <stefansf at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Ever confirmed|0 |1
Last reconfirmed| |2026-01-20
Status|UNCONFIRMED |ASSIGNED
--- Comment #1 from Stefan Schulze Frielinghaus <stefansf at gcc dot gnu.org> ---
Thanks for reporting this!
This is actually already implemented, however, due to a missing guard
!TARGET_VXE3 a splitter is applied resulting in the emulation instead of the
single hardware instruction. I will come up with a fix.
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