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[Bug target/85755] PowerPC Gcc's -mupdate produces inefficient code on power8/power9 machines
- From: "bergner at gcc dot gnu.org" <gcc-bugzilla at gcc dot gnu dot org>
- To: gcc-bugs at gcc dot gnu dot org
- Date: Thu, 07 Jun 2018 14:19:29 +0000
- Subject: [Bug target/85755] PowerPC Gcc's -mupdate produces inefficient code on power8/power9 machines
- Auto-submitted: auto-generated
- References: <bug-85755-4@http.gcc.gnu.org/bugzilla/>
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85755
Peter Bergner <bergner at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|NEW |ASSIGNED
Assignee|unassigned at gcc dot gnu.org |bergner at gcc dot gnu.org
--- Comment #5 from Peter Bergner <bergner at gcc dot gnu.org> ---
Hmmm, it must be the extra use of rs6000_offsettable_memref_p() that disables
the update forms. I'll have a look.