On 10/23/21 2:47 PM, Philippe Mathieu-Daudé wrote:
+static bool trans_msa_3r(DisasContext *ctx, arg_msa_r *a,
+                         void (*gen_msa_3r_b)(TCGv_ptr, TCGv_i32,
+                                              TCGv_i32, TCGv_i32),
+                         void (*gen_msa_3r_h)(TCGv_ptr, TCGv_i32,
+                                              TCGv_i32, TCGv_i32),
+                         void (*gen_msa_3r_w)(TCGv_ptr, TCGv_i32,
+                                              TCGv_i32, TCGv_i32),
+                         void (*gen_msa_3r_d)(TCGv_ptr, TCGv_i32,
+                                              TCGv_i32, TCGv_i32))

Use a table, like before.

+{
+    TCGv_i32 twd = tcg_const_i32(a->wd);
+    TCGv_i32 tws = tcg_const_i32(a->ws);
+    TCGv_i32 twt = tcg_const_i32(a->wt);

tcg_constant_i32.

Check for NULL and return false, then do check_msa_access.

r~

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