[Bug target/83496] MIPS BE: wrong code generates under "-Os -mbranch-cost=1"

[g...@hauke-m.de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83496

--- Comment #1 from Hauke Mehrtens <g...@hauke-m.de> ---
I only tested the GCC 7.X snapshot from 14. December 2017, not the GCC 8.X
version.