diff --git a/target/sparc/insns.decode b/target/sparc/insns.decode
index 35e7905bfe..2aae7d9514 100644
--- a/target/sparc/insns.decode
+++ b/target/sparc/insns.decode
@@ -187,3 +187,8 @@ UDIV        10 ..... 001110 ..... . .............          @r_r_ri
 UDIVcc      10 ..... 011110 ..... . .............          @r_r_ri
 SDIV        10 ..... 001111 ..... . .............          @r_r_ri
 SDIVcc      10 ..... 011111 ..... . .............          @r_r_ri
+TADDcc      10 ..... 100000 ..... . .............          @r_r_ri
+TSUBcc      10 ..... 100001 ..... . .............          @r_r_ri
+TADDccTV    10 ..... 100010 ..... . .............          @r_r_ri
+TSUBccTV    10 ..... 100011 ..... . .............          @r_r_ri
+MULScc      10 ..... 100100 ..... . .............          @r_r_ri
diff --git a/target/sparc/translate.c b/target/sparc/translate.c
index 1c335fb826..5f5c24b112 100644
--- a/target/sparc/translate.c
+++ b/target/sparc/translate.c
@@ -655,6 +655,16 @@ static void gen_op_sdiv(TCGv dst, TCGv src1, TCGv src2)
     gen_helper_sdiv(dst, tcg_env, src1, src2);
 }
 
+static void gen_op_taddcctv(TCGv dst, TCGv src1, TCGv src2)
+{
+    gen_helper_taddcctv(dst, tcg_env, src1, src2);
+}
+
+static void gen_op_tsubcctv(TCGv dst, TCGv src1, TCGv src2)
+{
+    gen_helper_tsubcctv(dst, tcg_env, src1, src2);
+}
+
 // 1
 static void gen_op_eval_ba(TCGv dst)
 {
@@ -4191,6 +4201,10 @@ TRANS(UMULcc, ALL, do_cc_arith, a, CC_OP_LOGIC, gen_op_umul, NULL)
 TRANS(SMULcc, ALL, do_cc_arith, a, CC_OP_LOGIC, gen_op_smul, NULL)
 TRANS(UDIVcc, ALL, do_cc_arith, a, CC_OP_DIV, gen_op_udiv, NULL)
 TRANS(SDIVcc, ALL, do_cc_arith, a, CC_OP_DIV, gen_op_sdiv, NULL)
+TRANS(TADDcc, ALL, do_cc_arith, a, CC_OP_TADD, gen_op_add_cc, NULL)
+TRANS(TSUBcc, ALL, do_cc_arith, a, CC_OP_TSUB, gen_op_sub_cc, NULL)
+TRANS(TADDccTV, ALL, do_cc_arith, a, CC_OP_TADDTV, gen_op_taddcctv, NULL)
+TRANS(TSUBccTV, ALL, do_cc_arith, a, CC_OP_TSUBTV, gen_op_tsubcctv, NULL)
 
 static TCGv gen_rs2_or_imm(DisasContext *dc, bool imm, int rs2_or_imm)
 {
@@ -4253,6 +4267,12 @@ static bool trans_SUBCcc(DisasContext *dc, arg_r_r_ri *a)
     return advance_pc(dc);
 }
 
+static bool trans_MULScc(DisasContext *dc, arg_r_r_ri *a)
+{
+    update_psr(dc);
+    return do_cc_arith(dc, a, CC_OP_ADD, gen_op_mulscc, NULL);
+}
+
 #define CHECK_IU_FEATURE(dc, FEATURE)                      \
     if (!((dc)->def->features & CPU_FEATURE_ ## FEATURE))  \
         goto illegal_insn;
@@ -4680,36 +4700,11 @@ static void disas_sparc_legacy(DisasContext *dc, unsigned int insn)
                     cpu_src2 = get_src2(dc, insn);
                     switch (xop) {
                     case 0x20: /* taddcc */
-                        gen_op_add_cc(cpu_dst, cpu_src1, cpu_src2);
-                        gen_store_gpr(dc, rd, cpu_dst);
-                        tcg_gen_movi_i32(cpu_cc_op, CC_OP_TADD);
-                        dc->cc_op = CC_OP_TADD;
-                        break;
                     case 0x21: /* tsubcc */
-                        gen_op_sub_cc(cpu_dst, cpu_src1, cpu_src2);
-                        gen_store_gpr(dc, rd, cpu_dst);
-                        tcg_gen_movi_i32(cpu_cc_op, CC_OP_TSUB);
-                        dc->cc_op = CC_OP_TSUB;
-                        break;
                     case 0x22: /* taddcctv */
-                        gen_helper_taddcctv(cpu_dst, tcg_env,
-                                            cpu_src1, cpu_src2);
-                        gen_store_gpr(dc, rd, cpu_dst);
-                        dc->cc_op = CC_OP_TADDTV;
-                        break;
                     case 0x23: /* tsubcctv */
-                        gen_helper_tsubcctv(cpu_dst, tcg_env,
-                                            cpu_src1, cpu_src2);
-                        gen_store_gpr(dc, rd, cpu_dst);
-                        dc->cc_op = CC_OP_TSUBTV;
-                        break;
                     case 0x24: /* mulscc */
-                        update_psr(dc);
-                        gen_op_mulscc(cpu_dst, cpu_src1, cpu_src2);
-                        gen_store_gpr(dc, rd, cpu_dst);
-                        tcg_gen_movi_i32(cpu_cc_op, CC_OP_ADD);
-                        dc->cc_op = CC_OP_ADD;
-                        break;
+                        goto illegal_insn;  /* in decodetree */
 #ifndef TARGET_SPARC64
                     case 0x25:  /* sll */
                         if (IS_IMM) { /* immediate */
