[Bug target/124580] RISCV: Redundant memory loads in x264_pixel_sad function

[pinskia at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=124580

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Created attachment 63976
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=63976&action=edit
testcase

Options: `-O3  -march=rv64gcv  -mrvv-max-lmul=dynamic`.

Next time please attach the testcase or put it inline. also mention what
options are you are using too.