[Bug target/110625] [AArch64] Vect: SLP fails to vectorize a loop as the reduction_latency calculated by new costs is too large

[rsandifo at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110625

--- Comment #9 from rsandifo at gcc dot gnu.org <rsandifo at gcc dot gnu.org> 
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Created attachment 55653
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55653&action=edit
Candidate patch (part 1)