On 9/20/22 17:24, Paolo Bonzini wrote:
+static void gen_pmovmskb_vec(unsigned vece, TCGv_vec d, TCGv_vec s)
+{
+ TCGv_vec t = tcg_temp_new_vec_matching(d);
+ TCGv_vec m = tcg_constant_vec_matching(d, MO_8, 0x80);
+
+ /* See above */
+ tcg_gen_and_vec(vece, d, s, m);
+ tcg_gen_shli_vec(vece, t, d, 7);
+ tcg_gen_or_vec(vece, d, d, t);
+ tcg_gen_shli_vec(vece, t, d, 14);
+ tcg_gen_or_vec(vece, d, d, t);
+ if (vece == MO_64) {
+ tcg_gen_shli_vec(vece, t, d, 28);
+ tcg_gen_or_vec(vece, d, d, t);
+ }
+}
You can drop the vece test here. I believe I was going to try to cater for Altivec host,
which doesn't have 64-bit vector shift, but then decide that the re-assembly of 4 pieces
wasn't worth it. And anyway, only ancient ppc host doesn't have VSX.
r~
