[Bug tree-optimization/100457] [meta-bug] Bugs relating to the enabling of vectorization at -O2 in GCC 12+

"pinskia at gcc dot gnu.org via Gcc-bugs" <[email protected]> Tue, 04 Aug 2026 17:09:00 +0000

Newsgroups	gmane.comp.gcc.bugs
Message-ID	<[email protected]/bugzilla/>

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100457
Bug 100457 depends on bug 100173, which changed state.

Bug 100173 Summary: telecom/viterb00data_1 has 16.92% regression compared O2 -ftree-vectorize -fvect-cost-model=very-cheap to O2  on CLX/ICX, 9% regression on znver3
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100173

           What    |Removed                     |Added
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             Status|ASSIGNED                    |RESOLVED
         Resolution|---                         |FIXED