[Bug target/63635] Reduce toc relative address computation for multiple data access

segher at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Sat Nov 21 13:08:00 GMT 2015


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63635

Segher Boessenkool <segher at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |segher at gcc dot gnu.org

--- Comment #1 from Segher Boessenkool <segher at gcc dot gnu.org> ---
Your suggested code is shorter, but it is higher latency from the start
of the sequence until the loads are finished (addis-addi-lwz vs, addis-lwz),
so it isn't obvious this is a win, not for only three loads at least.


More information about the Gcc-bugs mailing list