[Bug target/102117] s390: Inefficient code for 64x64=128 signed multiply for <= z13

[roger at nextmovesoftware dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102117

Roger Sayle <roger at nextmovesoftware dot com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Ever confirmed|0                           |1
           Assignee|unassigned at gcc dot gnu.org      |roger at 
nextmovesoftware dot com
                 CC|                            |roger at nextmovesoftware dot 
com
   Last reconfirmed|                            |2021-11-20
             Status|UNCONFIRMED                 |ASSIGNED

--- Comment #2 from Roger Sayle <roger at nextmovesoftware dot com> ---
Patch proposed:
https://gcc.gnu.org/pipermail/gcc-patches/2021-November/585067.html