[CostModel][X86][AVX2] Improve 256-bit vector non-uniform shifts costs
Haswell, Excavator and early Ryzen all have slower 256-bit non-uniform vector shifts (confirmed on AMDSoG/Agner/instlatx64 and llvm models) - so bump the worst case costs accordingly. Noticed while investigating PR50364
parent
bf3b6cf9
Please register or sign in to comment