Min-Yih Hsu 4c68de5a00
[RISCV][CostModel] Add cost model for experimental.cttz.elts (#91778)
The cost of `experimental.cttz.elts` in RISC-V equals to the cost of
vfirst when the zero_is_poison argument is true. Otherwise, we add
additional costs of cmp + select to convert the -1 result from vfirst to
EVL.
2024-05-14 09:18:08 -07:00
..