[Bug target/92042] Missing rcpss optimization

[crazylht at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92042

Hongtao.liu  changed:

   What|Removed |Added

 Resolution|INVALID |DUPLICATE

--- Comment #2 from Hongtao.liu  ---


*** This bug has been marked as a duplicate of bug 31723 ***

[Bug target/92042] Missing rcpss optimization

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92042

Andrew Pinski  changed:

   What|Removed |Added

 Status|UNCONFIRMED |RESOLVED
 Resolution|--- |INVALID

--- Comment #1 from Andrew Pinski  ---
This is done on purpose as vrcpss is too weak and needs a few extra steps. 
This means the performance would be less.

  You need to use -mrecip=div to get rcpss with the extra steps.