@@ -1178,6 +1178,8 @@
F(0xe7f7, VS, VRR_c, V, 0, 0, 0, 0, vs, 0, IF_VEC)
/* VECTOR SUBTRACT COMPUTE BORROW INDICATION */
F(0xe7f5, VSCBI, VRR_c, V, 0, 0, 0, 0, vscbi, 0, IF_VEC)
+/* VECTOR SUBTRACT WITH BORROW INDICATION */
+ F(0xe7bf, VSBI, VRR_d, V, 0, 0, 0, 0, vsbi, 0, IF_VEC)
#ifndef CONFIG_USER_ONLY
/* COMPARE AND SWAP AND PURGE */
@@ -2192,3 +2192,29 @@ static DisasJumpType op_vscbi(DisasContext *s, DisasOps *o)
get_field(s->fields, v3), &g[es]);
return DISAS_NEXT;
}
+
+static void gen_sbi2_i64(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 al, TCGv_i64 ah,
+ TCGv_i64 bl, TCGv_i64 bh, TCGv_i64 cl, TCGv_i64 ch)
+{
+ TCGv_i64 tl = tcg_temp_new_i64();
+ TCGv_i64 zero = tcg_const_i64(0);
+
+ tcg_gen_andi_i64(tl, cl, 1);
+ tcg_gen_sub2_i64(dl, dh, al, ah, bl, bh);
+ tcg_gen_sub2_i64(dl, dh, dl, dh, tl, zero);
+ tcg_temp_free_i64(tl);
+ tcg_temp_free_i64(zero);
+}
+
+static DisasJumpType op_vsbi(DisasContext *s, DisasOps *o)
+{
+ if (get_field(s->fields, m5) != ES_128) {
+ gen_program_exception(s, PGM_SPECIFICATION);
+ return DISAS_NORETURN;
+ }
+
+ gen_gvec128_4_i64(gen_sbi2_i64, get_field(s->fields, v1),
+ get_field(s->fields, v2), get_field(s->fields, v3),
+ get_field(s->fields, v4));
+ return DISAS_NEXT;
+}