[Bug target/62173] [5.0 regression] [AArch64] Performance regression due to r213488

[jiwang at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62173

--- Comment #4 from Jiong Wang <jiwang at gcc dot gnu.org> ---
interesting.

r213488 was doing something right, and I guess it exposed some other hidding
issues which need our investigations.