[Bug tree-optimization/100173] 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
pinskia at gcc dot gnu.org
gcc-bugzilla@gcc.gnu.org
Tue Aug 4 17:08:59 GMT 2026
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100173
Drea Pinski <pinskia at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Status|ASSIGNED |RESOLVED
Resolution|--- |FIXED
--- Comment #10 from Drea Pinski <pinskia at gcc dot gnu.org> ---
The trunk is now able to sink the loads and we should get decent performance
now at -O2 (-O3 is faster because of the vectorization with the aliasing
check).
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