Re: [RFC PATCH 40/43] target/loongarch: Implement vreplve vpack vpick

[Richard Henderson]

On 12/24/22 00:16, Song Gao wrote:
> +TRANS(vreplve_b, gen_vvr, gen_helper_vreplve_b)
> +TRANS(vreplve_h, gen_vvr, gen_helper_vreplve_h)
> +TRANS(vreplve_w, gen_vvr, gen_helper_vreplve_w)
> +TRANS(vreplve_d, gen_vvr, gen_helper_vreplve_d)
> +TRANS(vreplvei_b, gen_vv_i, gen_helper_vreplvei_b)
> +TRANS(vreplvei_h, gen_vv_i, gen_helper_vreplvei_h)
> +TRANS(vreplvei_w, gen_vv_i, gen_helper_vreplvei_w)
> +TRANS(vreplvei_d, gen_vv_i, gen_helper_vreplvei_d)
tcg_gen_gvec_dupm.

In the case of imm, this will be cpu_env + offsetof.
In the case of reg, compute cpu_env + register offset + offsetof.

> +TRANS(vbsll_v, gen_vv_i, gen_helper_vbsll_v)
> +TRANS(vbsrl_v, gen_vv_i, gen_helper_vbsrl_v)

These can use tcg_gen_extract2_i64, with imm * 8 bit shift.


r~