exp2 maps to a single v_exp_f32 (quarter rate), while exp and exp10 need additional full-rate costs for the base conversion. Also added cost based on non-afn and denorm mode. This enables SLP vectorization of exp2 on targets with packed f32 ops.
exp2 maps to a single v_exp_f32 (quarter rate), while exp and exp10 need additional full-rate costs for the base conversion. Also added cost based on non-afn and denorm mode. This enables SLP vectorization of exp2 on targets with packed f32 ops.