[Bug rtl-optimization/102178] [12 Regression] SPECFP 2006 470.lbm regressions on AMD Zen CPUs after r12-897-gde56f95afaaa22

[crazylht at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102178

--- Comment #25 from Hongtao.liu <crazylht at gmail dot com> ---
> Guess we need to let RA know mem cost is cheaper than GPR for r249.

Reduce sse_store cost?