On 2/25/19 8:10 AM, Mateja Marjanovic wrote:
> +        tcg_gen_andi_i64(t0, cpu_gpr[rt], mask);

tcg_gen_ext16u_i64.

> +        tcg_gen_movi_i64(t1, 0);
> +        tcg_gen_or_i64(t1, t0, t1);
> +        tcg_gen_shli_i64(t0, t0, 16);
> +        tcg_gen_or_i64(t1, t0, t1);
> +        tcg_gen_shli_i64(t0, t0, 16);
> +        tcg_gen_or_i64(t1, t0, t1);
> +        tcg_gen_shli_i64(t0, t0, 16);
> +        tcg_gen_or_i64(t1, t0, t1);

Much better as

  tcg_gen_deposit(t0, t0, t0, 16, 48);
  tcg_gen_deposit(t1, t0, t0, 32, 32);


r~

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