[Bug target/99161] Suboptimal SVE code for ld4/st4 MLA code

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99161

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
All of these patterns use ?& for the output operand but I get the feeling that
the ? should be on the input operand instead.