Use cmeq, cmge, cmgt (zero) when one of the operands is Vector64/128<T>.Zero #33972
Description
For example,
The code as in #33749 (comment) BitArray:.ctor
dup v17.16b, wzr
cmeq v16.16b, v16.16b, v17.16bshould be optimized down to
cmeq v16.16b, v16.16b, #0This applies to all the intrinsics that are mapped to cmeq, cmge, cmgt, cmle, cmlt, fcmeq, fcmge, fcmgt, fcmle and fcmlt instructions
category:cq
theme:hardware-intrinsics
skill-level:intermediate
cost:small