[Bug target/80239] [7 regression] 9% regression on dhrystone when targetting Cortex-M7

[rearnsha at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80239

--- Comment #2 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
is the diff you show backwards?  Otherwise the new code looks distinctly
better.