diff --git a/target-tricore/translate.c b/target-tricore/translate.c
index 83e0927..08fad05 100644
--- a/target-tricore/translate.c
+++ b/target-tricore/translate.c
@@ -216,6 +216,15 @@ void tricore_cpu_dump_state(CPUState *cs, FILE *f,
 #define EA_B_ABSOLUT(con) (((offset & 0xf00000) << 8) | \
                            ((offset & 0x0fffff) << 1))
 
+/* For two 32-bit registers used a 64-bit register, the first
+   registernumber needs to be even. Otherwise we trap. */
+static inline void generate_trap(DisasContext *ctx, int class, int tin);
+#define CHECK_REG_PAIR(reg) do {                      \
+    if (reg & 0x1) {                                  \
+        generate_trap(ctx, TRAPC_INSN_ERR, TIN2_OPD); \
+    }                                                 \
+} while (0)
+
 /* Functions for load/save to/from memory */
 
 static inline void gen_offset_ld(DisasContext *ctx, TCGv r1, TCGv r2,
@@ -301,6 +310,7 @@ static void gen_ldmst(DisasContext *ctx, int ereg, TCGv ea)
     TCGv temp = tcg_temp_new();
     TCGv temp2 = tcg_temp_new();
 
+    CHECK_REG_PAIR(ereg);
     /* temp = (M(EA, word) */
     tcg_gen_qemu_ld_tl(temp, ea, ctx->mem_idx, MO_LEUL);
     /* temp = temp & ~E[a][63:32]) */
@@ -4213,9 +4223,11 @@ static void decode_abs_ldw(CPUTriCoreState *env, DisasContext *ctx)
         tcg_gen_qemu_ld_tl(cpu_gpr_a[r1], temp, ctx->mem_idx, MO_LESL);
         break;
     case OPC2_32_ABS_LD_D:
+        CHECK_REG_PAIR(r1);
         gen_ld_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], temp, ctx);
         break;
     case OPC2_32_ABS_LD_DA:
+        CHECK_REG_PAIR(r1);
         gen_ld_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], temp, ctx);
         break;
     case OPC2_32_ABS_LD_W:
@@ -4332,9 +4344,11 @@ static void decode_abs_store(CPUTriCoreState *env, DisasContext *ctx)
         tcg_gen_qemu_st_tl(cpu_gpr_a[r1], temp, ctx->mem_idx, MO_LESL);
         break;
     case OPC2_32_ABS_ST_D:
+        CHECK_REG_PAIR(r1);
         gen_st_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], temp, ctx);
         break;
     case OPC2_32_ABS_ST_DA:
+        CHECK_REG_PAIR(r1);
         gen_st_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], temp, ctx);
         break;
     case OPC2_32_ABS_ST_W:
@@ -4712,14 +4726,17 @@ static void decode_bo_addrmode_post_pre_base(CPUTriCoreState *env,
         gen_st_preincr(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_UB);
         break;
     case OPC2_32_BO_ST_D_SHORTOFF:
+        CHECK_REG_PAIR(r1);
         gen_offset_st_2regs(cpu_gpr_d[r1+1], cpu_gpr_d[r1], cpu_gpr_a[r2],
                             off10, ctx);
         break;
     case OPC2_32_BO_ST_D_POSTINC:
+        CHECK_REG_PAIR(r1);
         gen_st_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], cpu_gpr_a[r2], ctx);
         tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
         break;
     case OPC2_32_BO_ST_D_PREINC:
+        CHECK_REG_PAIR(r1);
         temp = tcg_temp_new();
         tcg_gen_addi_tl(temp, cpu_gpr_a[r2], off10);
         gen_st_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], temp, ctx);
@@ -4727,14 +4744,17 @@ static void decode_bo_addrmode_post_pre_base(CPUTriCoreState *env,
         tcg_temp_free(temp);
         break;
     case OPC2_32_BO_ST_DA_SHORTOFF:
+        CHECK_REG_PAIR(r1);
         gen_offset_st_2regs(cpu_gpr_a[r1+1], cpu_gpr_a[r1], cpu_gpr_a[r2],
                             off10, ctx);
         break;
     case OPC2_32_BO_ST_DA_POSTINC:
+        CHECK_REG_PAIR(r1);
         gen_st_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], cpu_gpr_a[r2], ctx);
         tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
         break;
     case OPC2_32_BO_ST_DA_PREINC:
+        CHECK_REG_PAIR(r1);
         temp = tcg_temp_new();
         tcg_gen_addi_tl(temp, cpu_gpr_a[r2], off10);
         gen_st_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], temp, ctx);
@@ -4804,7 +4824,7 @@ static void decode_bo_addrmode_bitreverse_circular(CPUTriCoreState *env,
     temp = tcg_temp_new();
     temp2 = tcg_temp_new();
     temp3 = tcg_const_i32(off10);
-
+    CHECK_REG_PAIR(r2);
     tcg_gen_ext16u_tl(temp, cpu_gpr_a[r2+1]);
     tcg_gen_add_tl(temp2, cpu_gpr_a[r2], temp);
 
@@ -4836,10 +4856,12 @@ static void decode_bo_addrmode_bitreverse_circular(CPUTriCoreState *env,
         gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
         break;
     case OPC2_32_BO_ST_D_BR:
+        CHECK_REG_PAIR(r1);
         gen_st_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], temp2, ctx);
         gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
         break;
     case OPC2_32_BO_ST_D_CIRC:
+        CHECK_REG_PAIR(r1);
         tcg_gen_qemu_st_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LEUL);
         tcg_gen_shri_tl(temp2, cpu_gpr_a[r2+1], 16);
         tcg_gen_addi_tl(temp, temp, 4);
@@ -4849,10 +4871,12 @@ static void decode_bo_addrmode_bitreverse_circular(CPUTriCoreState *env,
         gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
         break;
     case OPC2_32_BO_ST_DA_BR:
+        CHECK_REG_PAIR(r1);
         gen_st_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], temp2, ctx);
         gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
         break;
     case OPC2_32_BO_ST_DA_CIRC:
+        CHECK_REG_PAIR(r1);
         tcg_gen_qemu_st_tl(cpu_gpr_a[r1], temp2, ctx->mem_idx, MO_LEUL);
         tcg_gen_shri_tl(temp2, cpu_gpr_a[r2+1], 16);
         tcg_gen_addi_tl(temp, temp, 4);
@@ -4943,14 +4967,17 @@ static void decode_bo_addrmode_ld_post_pre_base(CPUTriCoreState *env,
         gen_ld_preincr(ctx, cpu_gpr_d[r1], cpu_gpr_a[r2], off10, MO_SB);
         break;
     case OPC2_32_BO_LD_D_SHORTOFF:
+        CHECK_REG_PAIR(r1);
         gen_offset_ld_2regs(cpu_gpr_d[r1+1], cpu_gpr_d[r1], cpu_gpr_a[r2],
                             off10, ctx);
         break;
     case OPC2_32_BO_LD_D_POSTINC:
+        CHECK_REG_PAIR(r1);
         gen_ld_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], cpu_gpr_a[r2], ctx);
         tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
         break;
     case OPC2_32_BO_LD_D_PREINC:
+        CHECK_REG_PAIR(r1);
         temp = tcg_temp_new();
         tcg_gen_addi_tl(temp, cpu_gpr_a[r2], off10);
         gen_ld_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], temp, ctx);
@@ -4958,14 +4985,17 @@ static void decode_bo_addrmode_ld_post_pre_base(CPUTriCoreState *env,
         tcg_temp_free(temp);
         break;
     case OPC2_32_BO_LD_DA_SHORTOFF:
+        CHECK_REG_PAIR(r1);
         gen_offset_ld_2regs(cpu_gpr_a[r1+1], cpu_gpr_a[r1], cpu_gpr_a[r2],
                             off10, ctx);
         break;
     case OPC2_32_BO_LD_DA_POSTINC:
+        CHECK_REG_PAIR(r1);
         gen_ld_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], cpu_gpr_a[r2], ctx);
         tcg_gen_addi_tl(cpu_gpr_a[r2], cpu_gpr_a[r2], off10);
         break;
     case OPC2_32_BO_LD_DA_PREINC:
+        CHECK_REG_PAIR(r1);
         temp = tcg_temp_new();
         tcg_gen_addi_tl(temp, cpu_gpr_a[r2], off10);
         gen_ld_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], temp, ctx);
@@ -5041,7 +5071,7 @@ static void decode_bo_addrmode_ld_bitreverse_circular(CPUTriCoreState *env,
     temp = tcg_temp_new();
     temp2 = tcg_temp_new();
     temp3 = tcg_const_i32(off10);
-
+    CHECK_REG_PAIR(r2);
     tcg_gen_ext16u_tl(temp, cpu_gpr_a[r2+1]);
     tcg_gen_add_tl(temp2, cpu_gpr_a[r2], temp);
 
@@ -5072,10 +5102,12 @@ static void decode_bo_addrmode_ld_bitreverse_circular(CPUTriCoreState *env,
         gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
         break;
     case OPC2_32_BO_LD_D_BR:
+        CHECK_REG_PAIR(r1);
         gen_ld_2regs_64(cpu_gpr_d[r1+1], cpu_gpr_d[r1], temp2, ctx);
         gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
         break;
     case OPC2_32_BO_LD_D_CIRC:
+        CHECK_REG_PAIR(r1);
         tcg_gen_qemu_ld_tl(cpu_gpr_d[r1], temp2, ctx->mem_idx, MO_LEUL);
         tcg_gen_shri_tl(temp2, cpu_gpr_a[r2+1], 16);
         tcg_gen_addi_tl(temp, temp, 4);
@@ -5085,10 +5117,12 @@ static void decode_bo_addrmode_ld_bitreverse_circular(CPUTriCoreState *env,
         gen_helper_circ_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1], temp3);
         break;
     case OPC2_32_BO_LD_DA_BR:
+        CHECK_REG_PAIR(r1);
         gen_ld_2regs_64(cpu_gpr_a[r1+1], cpu_gpr_a[r1], temp2, ctx);
         gen_helper_br_update(cpu_gpr_a[r2+1], cpu_gpr_a[r2+1]);
         break;
     case OPC2_32_BO_LD_DA_CIRC:
+        CHECK_REG_PAIR(r1);
         tcg_gen_qemu_ld_tl(cpu_gpr_a[r1], temp2, ctx->mem_idx, MO_LEUL);
         tcg_gen_shri_tl(temp2, cpu_gpr_a[r2+1], 16);
         tcg_gen_addi_tl(temp, temp, 4);
@@ -5249,7 +5283,7 @@ static void decode_bo_addrmode_ldmst_bitreverse_circular(CPUTriCoreState *env,
     temp = tcg_temp_new();
     temp2 = tcg_temp_new();
     temp3 = tcg_const_i32(off10);
-
+    CHECK_REG_PAIR(r2);
     tcg_gen_ext16u_tl(temp, cpu_gpr_a[r2+1]);
     tcg_gen_add_tl(temp2, cpu_gpr_a[r2], temp);
 
@@ -5683,6 +5717,7 @@ static void decode_rc_mul(CPUTriCoreState *env, DisasContext *ctx)
         gen_muli_i32s(cpu_gpr_d[r2], cpu_gpr_d[r1], const9);
         break;
     case OPC2_32_RC_MUL_64:
+        CHECK_REG_PAIR(r2);
         gen_muli_i64s(cpu_gpr_d[r2], cpu_gpr_d[r2+1], cpu_gpr_d[r1], const9);
         break;
     case OPC2_32_RC_MULS_32:
@@ -5690,6 +5725,7 @@ static void decode_rc_mul(CPUTriCoreState *env, DisasContext *ctx)
         break;
     case OPC2_32_RC_MUL_U_64:
         const9 = MASK_OP_RC_CONST9(ctx->opcode);
+        CHECK_REG_PAIR(r2);
         gen_muli_i64u(cpu_gpr_d[r2], cpu_gpr_d[r2+1], cpu_gpr_d[r1], const9);
         break;
     case OPC2_32_RC_MULS_U_32:
@@ -5719,6 +5755,7 @@ static void decode_rcpw_insert(CPUTriCoreState *env, DisasContext *ctx)
 
     switch (op2) {
     case OPC2_32_RCPW_IMASK:
+        CHECK_REG_PAIR(r2);
         /* if pos + width > 31 undefined result */
         if (pos + width <= 31) {
             tcg_gen_movi_tl(cpu_gpr_d[r2+1], ((1u << width) - 1) << pos);
@@ -5847,6 +5884,8 @@ static void decode_rcr_madd(CPUTriCoreState *env, DisasContext *ctx)
         gen_maddi32_d(cpu_gpr_d[r4], cpu_gpr_d[r1], cpu_gpr_d[r3], const9);
         break;
     case OPC2_32_RCR_MADD_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddi64_d(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r1],
                       cpu_gpr_d[r3], cpu_gpr_d[r3+1], const9);
         break;
@@ -5854,10 +5893,14 @@ static void decode_rcr_madd(CPUTriCoreState *env, DisasContext *ctx)
         gen_maddsi_32(cpu_gpr_d[r4], cpu_gpr_d[r1], cpu_gpr_d[r3], const9);
         break;
     case OPC2_32_RCR_MADDS_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsi_64(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r1],
                       cpu_gpr_d[r3], cpu_gpr_d[r3+1], const9);
         break;
     case OPC2_32_RCR_MADD_U_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         const9 = MASK_OP_RCR_CONST9(ctx->opcode);
         gen_maddui64_d(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r1],
                        cpu_gpr_d[r3], cpu_gpr_d[r3+1], const9);
@@ -5867,6 +5910,8 @@ static void decode_rcr_madd(CPUTriCoreState *env, DisasContext *ctx)
         gen_maddsui_32(cpu_gpr_d[r4], cpu_gpr_d[r1], cpu_gpr_d[r3], const9);
         break;
     case OPC2_32_RCR_MADDS_U_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         const9 = MASK_OP_RCR_CONST9(ctx->opcode);
         gen_maddsui_64(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r1],
                        cpu_gpr_d[r3], cpu_gpr_d[r3+1], const9);
@@ -5894,6 +5939,8 @@ static void decode_rcr_msub(CPUTriCoreState *env, DisasContext *ctx)
         gen_msubi32_d(cpu_gpr_d[r4], cpu_gpr_d[r1], cpu_gpr_d[r3], const9);
         break;
     case OPC2_32_RCR_MSUB_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubi64_d(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r1],
                       cpu_gpr_d[r3], cpu_gpr_d[r3+1], const9);
         break;
@@ -5901,10 +5948,14 @@ static void decode_rcr_msub(CPUTriCoreState *env, DisasContext *ctx)
         gen_msubsi_32(cpu_gpr_d[r4], cpu_gpr_d[r1], cpu_gpr_d[r3], const9);
         break;
     case OPC2_32_RCR_MSUBS_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubsi_64(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r1],
                       cpu_gpr_d[r3], cpu_gpr_d[r3+1], const9);
         break;
     case OPC2_32_RCR_MSUB_U_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         const9 = MASK_OP_RCR_CONST9(ctx->opcode);
         gen_msubui64_d(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r1],
                        cpu_gpr_d[r3], cpu_gpr_d[r3+1], const9);
@@ -5914,6 +5965,8 @@ static void decode_rcr_msub(CPUTriCoreState *env, DisasContext *ctx)
         gen_msubsui_32(cpu_gpr_d[r4], cpu_gpr_d[r1], cpu_gpr_d[r3], const9);
         break;
     case OPC2_32_RCR_MSUBS_U_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         const9 = MASK_OP_RCR_CONST9(ctx->opcode);
         gen_msubsui_64(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r1],
                        cpu_gpr_d[r3], cpu_gpr_d[r3+1], const9);
@@ -5954,9 +6007,7 @@ static void decode_rlc_opc(CPUTriCoreState *env, DisasContext *ctx,
         break;
     case OPC1_32_RLC_MOV_64:
         if (tricore_feature(env, TRICORE_FEATURE_16)) {
-            if ((r2 & 0x1) != 0) {
-                /* TODO: raise OPD trap */
-            }
+            CHECK_REG_PAIR(r2);
             tcg_gen_movi_tl(cpu_gpr_d[r2], const16);
             tcg_gen_movi_tl(cpu_gpr_d[r2+1], const16 >> 15);
         } else {
@@ -6493,9 +6544,11 @@ static void decode_rr_divide(CPUTriCoreState *env, DisasContext *ctx)
         gen_helper_bmerge(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2]);
         break;
     case OPC2_32_RR_BSPLIT:
+        CHECK_REG_PAIR(r3);
         gen_bsplit(cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r1]);
         break;
     case OPC2_32_RR_DVINIT_B:
+        CHECK_REG_PAIR(r3);
         gen_dvinit_b(env, cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r1],
                      cpu_gpr_d[r2]);
         break;
@@ -6503,7 +6556,7 @@ static void decode_rr_divide(CPUTriCoreState *env, DisasContext *ctx)
         temp = tcg_temp_new();
         temp2 = tcg_temp_new();
         temp3 = tcg_temp_new();
-
+        CHECK_REG_PAIR(r3);
         tcg_gen_shri_tl(temp3, cpu_gpr_d[r1], 8);
         /* reset av */
         tcg_gen_movi_tl(cpu_PSW_AV, 0);
@@ -6533,6 +6586,7 @@ static void decode_rr_divide(CPUTriCoreState *env, DisasContext *ctx)
         tcg_temp_free(temp3);
         break;
     case OPC2_32_RR_DVINIT_H:
+        CHECK_REG_PAIR(r3);
         gen_dvinit_h(env, cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r1],
                      cpu_gpr_d[r2]);
         break;
@@ -6540,7 +6594,7 @@ static void decode_rr_divide(CPUTriCoreState *env, DisasContext *ctx)
         temp = tcg_temp_new();
         temp2 = tcg_temp_new();
         temp3 = tcg_temp_new();
-
+        CHECK_REG_PAIR(r3);
         tcg_gen_shri_tl(temp3, cpu_gpr_d[r1], 16);
         /* reset av */
         tcg_gen_movi_tl(cpu_PSW_AV, 0);
@@ -6571,6 +6625,7 @@ static void decode_rr_divide(CPUTriCoreState *env, DisasContext *ctx)
     case OPC2_32_RR_DVINIT:
         temp = tcg_temp_new();
         temp2 = tcg_temp_new();
+        CHECK_REG_PAIR(r3);
         /* overflow = ((D[b] == 0) ||
                       ((D[b] == 0xFFFFFFFF) && (D[a] == 0x80000000))) */
         tcg_gen_setcondi_tl(TCG_COND_EQ, temp, cpu_gpr_d[r2], 0xffffffff);
@@ -6607,6 +6662,7 @@ static void decode_rr_divide(CPUTriCoreState *env, DisasContext *ctx)
         gen_helper_parity(cpu_gpr_d[r3], cpu_gpr_d[r1]);
         break;
     case OPC2_32_RR_UNPACK:
+        CHECK_REG_PAIR(r3);
         gen_unpack(cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r1]);
         break;
     case OPC2_32_RR_CRC32:
@@ -6655,6 +6711,7 @@ static void decode_rr1_mul(CPUTriCoreState *env, DisasContext *ctx)
     switch (op2) {
     case OPC2_32_RR1_MUL_H_32_LL:
         temp64 = tcg_temp_new_i64();
+        CHECK_REG_PAIR(r3);
         GEN_HELPER_LL(mul_h, temp64, cpu_gpr_d[r1], cpu_gpr_d[r2], n);
         tcg_gen_extr_i64_i32(cpu_gpr_d[r3], cpu_gpr_d[r3+1], temp64);
         gen_calc_usb_mul_h(cpu_gpr_d[r3], cpu_gpr_d[r3+1]);
@@ -6662,6 +6719,7 @@ static void decode_rr1_mul(CPUTriCoreState *env, DisasContext *ctx)
         break;
     case OPC2_32_RR1_MUL_H_32_LU:
         temp64 = tcg_temp_new_i64();
+        CHECK_REG_PAIR(r3);
         GEN_HELPER_LU(mul_h, temp64, cpu_gpr_d[r1], cpu_gpr_d[r2], n);
         tcg_gen_extr_i64_i32(cpu_gpr_d[r3], cpu_gpr_d[r3+1], temp64);
         gen_calc_usb_mul_h(cpu_gpr_d[r3], cpu_gpr_d[r3+1]);
@@ -6669,6 +6727,7 @@ static void decode_rr1_mul(CPUTriCoreState *env, DisasContext *ctx)
         break;
     case OPC2_32_RR1_MUL_H_32_UL:
         temp64 = tcg_temp_new_i64();
+        CHECK_REG_PAIR(r3);
         GEN_HELPER_UL(mul_h, temp64, cpu_gpr_d[r1], cpu_gpr_d[r2], n);
         tcg_gen_extr_i64_i32(cpu_gpr_d[r3], cpu_gpr_d[r3+1], temp64);
         gen_calc_usb_mul_h(cpu_gpr_d[r3], cpu_gpr_d[r3+1]);
@@ -6676,6 +6735,7 @@ static void decode_rr1_mul(CPUTriCoreState *env, DisasContext *ctx)
         break;
     case OPC2_32_RR1_MUL_H_32_UU:
         temp64 = tcg_temp_new_i64();
+        CHECK_REG_PAIR(r3);
         GEN_HELPER_UU(mul_h, temp64, cpu_gpr_d[r1], cpu_gpr_d[r2], n);
         tcg_gen_extr_i64_i32(cpu_gpr_d[r3], cpu_gpr_d[r3+1], temp64);
         gen_calc_usb_mul_h(cpu_gpr_d[r3], cpu_gpr_d[r3+1]);
@@ -6683,6 +6743,7 @@ static void decode_rr1_mul(CPUTriCoreState *env, DisasContext *ctx)
         break;
     case OPC2_32_RR1_MULM_H_64_LL:
         temp64 = tcg_temp_new_i64();
+        CHECK_REG_PAIR(r3);
         GEN_HELPER_LL(mulm_h, temp64, cpu_gpr_d[r1], cpu_gpr_d[r2], n);
         tcg_gen_extr_i64_i32(cpu_gpr_d[r3], cpu_gpr_d[r3+1], temp64);
         /* reset V bit */
@@ -6693,6 +6754,7 @@ static void decode_rr1_mul(CPUTriCoreState *env, DisasContext *ctx)
         break;
     case OPC2_32_RR1_MULM_H_64_LU:
         temp64 = tcg_temp_new_i64();
+        CHECK_REG_PAIR(r3);
         GEN_HELPER_LU(mulm_h, temp64, cpu_gpr_d[r1], cpu_gpr_d[r2], n);
         tcg_gen_extr_i64_i32(cpu_gpr_d[r3], cpu_gpr_d[r3+1], temp64);
         /* reset V bit */
@@ -6703,6 +6765,7 @@ static void decode_rr1_mul(CPUTriCoreState *env, DisasContext *ctx)
         break;
     case OPC2_32_RR1_MULM_H_64_UL:
         temp64 = tcg_temp_new_i64();
+        CHECK_REG_PAIR(r3);
         GEN_HELPER_UL(mulm_h, temp64, cpu_gpr_d[r1], cpu_gpr_d[r2], n);
         tcg_gen_extr_i64_i32(cpu_gpr_d[r3], cpu_gpr_d[r3+1], temp64);
         /* reset V bit */
@@ -6713,6 +6776,7 @@ static void decode_rr1_mul(CPUTriCoreState *env, DisasContext *ctx)
         break;
     case OPC2_32_RR1_MULM_H_64_UU:
         temp64 = tcg_temp_new_i64();
+        CHECK_REG_PAIR(r3);
         GEN_HELPER_UU(mulm_h, temp64, cpu_gpr_d[r1], cpu_gpr_d[r2], n);
         tcg_gen_extr_i64_i32(cpu_gpr_d[r3], cpu_gpr_d[r3+1], temp64);
         /* reset V bit */
@@ -6766,6 +6830,7 @@ static void decode_rr1_mulq(CPUTriCoreState *env, DisasContext *ctx)
         gen_mul_q(cpu_gpr_d[r3], temp, cpu_gpr_d[r1], cpu_gpr_d[r2], n, 32);
         break;
     case OPC2_32_RR1_MUL_Q_64:
+        CHECK_REG_PAIR(r3);
         gen_mul_q(cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                   n, 0);
         break;
@@ -6774,6 +6839,7 @@ static void decode_rr1_mulq(CPUTriCoreState *env, DisasContext *ctx)
         gen_mul_q(cpu_gpr_d[r3], temp, cpu_gpr_d[r1], temp, n, 16);
         break;
     case OPC2_32_RR1_MUL_Q_64_L:
+        CHECK_REG_PAIR(r3);
         tcg_gen_ext16s_tl(temp, cpu_gpr_d[r2]);
         gen_mul_q(cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r1], temp, n, 0);
         break;
@@ -6782,6 +6848,7 @@ static void decode_rr1_mulq(CPUTriCoreState *env, DisasContext *ctx)
         gen_mul_q(cpu_gpr_d[r3], temp, cpu_gpr_d[r1], temp, n, 16);
         break;
     case OPC2_32_RR1_MUL_Q_64_U:
+        CHECK_REG_PAIR(r3);
         tcg_gen_sari_tl(temp, cpu_gpr_d[r2], 16);
         gen_mul_q(cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r1], temp, n, 0);
         break;
@@ -6827,6 +6894,7 @@ static void decode_rr2_mul(CPUTriCoreState *env, DisasContext *ctx)
         gen_mul_i32s(cpu_gpr_d[r3], cpu_gpr_d[r1], cpu_gpr_d[r2]);
         break;
     case OPC2_32_RR2_MUL_64:
+        CHECK_REG_PAIR(r3);
         gen_mul_i64s(cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r1],
                      cpu_gpr_d[r2]);
         break;
@@ -6835,6 +6903,7 @@ static void decode_rr2_mul(CPUTriCoreState *env, DisasContext *ctx)
                             cpu_gpr_d[r2]);
         break;
     case OPC2_32_RR2_MUL_U_64:
+        CHECK_REG_PAIR(r3);
         gen_mul_i64u(cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r1],
                      cpu_gpr_d[r2]);
         break;
@@ -6884,6 +6953,7 @@ static void decode_rrpw_extract_insert(CPUTriCoreState *env, DisasContext *ctx)
         }
         break;
     case OPC2_32_RRPW_IMASK:
+        CHECK_REG_PAIR(r3);
         if (pos + width <= 31) {
             tcg_gen_movi_tl(cpu_gpr_d[r3+1], ((1u << width) - 1) << pos);
             tcg_gen_shli_tl(cpu_gpr_d[r3], cpu_gpr_d[r2], pos);
@@ -6959,32 +7029,41 @@ static void decode_rrr_divide(CPUTriCoreState *env, DisasContext *ctx)
     r3 = MASK_OP_RRR_S3(ctx->opcode);
     r4 = MASK_OP_RRR_D(ctx->opcode);
 
+    CHECK_REG_PAIR(r3);
+
     switch (op2) {
     case OPC2_32_RRR_DVADJ:
+        CHECK_REG_PAIR(r4);
         GEN_HELPER_RRR(dvadj, cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                        cpu_gpr_d[r3+1], cpu_gpr_d[r2]);
         break;
     case OPC2_32_RRR_DVSTEP:
+        CHECK_REG_PAIR(r4);
         GEN_HELPER_RRR(dvstep, cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                        cpu_gpr_d[r3+1], cpu_gpr_d[r2]);
         break;
     case OPC2_32_RRR_DVSTEP_U:
+        CHECK_REG_PAIR(r4);
         GEN_HELPER_RRR(dvstep_u, cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                        cpu_gpr_d[r3+1], cpu_gpr_d[r2]);
         break;
     case OPC2_32_RRR_IXMAX:
+        CHECK_REG_PAIR(r4);
         GEN_HELPER_RRR(ixmax, cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                        cpu_gpr_d[r3+1], cpu_gpr_d[r2]);
         break;
     case OPC2_32_RRR_IXMAX_U:
+        CHECK_REG_PAIR(r4);
         GEN_HELPER_RRR(ixmax_u, cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                        cpu_gpr_d[r3+1], cpu_gpr_d[r2]);
         break;
     case OPC2_32_RRR_IXMIN:
+        CHECK_REG_PAIR(r4);
         GEN_HELPER_RRR(ixmin, cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                        cpu_gpr_d[r3+1], cpu_gpr_d[r2]);
         break;
     case OPC2_32_RRR_IXMIN_U:
+        CHECK_REG_PAIR(r4);
         GEN_HELPER_RRR(ixmin_u, cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                        cpu_gpr_d[r3+1], cpu_gpr_d[r2]);
         break;
@@ -7014,6 +7093,8 @@ static void decode_rrr2_madd(CPUTriCoreState *env, DisasContext *ctx)
                      cpu_gpr_d[r2]);
         break;
     case OPC2_32_RRR2_MADD_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_madd64_d(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r1],
                      cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r2]);
         break;
@@ -7022,10 +7103,14 @@ static void decode_rrr2_madd(CPUTriCoreState *env, DisasContext *ctx)
                                cpu_gpr_d[r3], cpu_gpr_d[r2]);
         break;
     case OPC2_32_RRR2_MADDS_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_madds_64(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r1],
                      cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r2]);
         break;
     case OPC2_32_RRR2_MADD_U_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddu64_d(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r1],
                       cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r2]);
         break;
@@ -7034,6 +7119,8 @@ static void decode_rrr2_madd(CPUTriCoreState *env, DisasContext *ctx)
                                cpu_gpr_d[r3], cpu_gpr_d[r2]);
         break;
     case OPC2_32_RRR2_MADDS_U_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsu_64(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r1],
                       cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r2]);
         break;
@@ -7059,6 +7146,8 @@ static void decode_rrr2_msub(CPUTriCoreState *env, DisasContext *ctx)
                       cpu_gpr_d[r2]);
         break;
     case OPC2_32_RRR2_MSUB_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msub64_d(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r1],
                      cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r2]);
         break;
@@ -7067,6 +7156,8 @@ static void decode_rrr2_msub(CPUTriCoreState *env, DisasContext *ctx)
                                cpu_gpr_d[r3], cpu_gpr_d[r2]);
         break;
     case OPC2_32_RRR2_MSUBS_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubs_64(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r1],
                      cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r2]);
         break;
@@ -7079,6 +7170,8 @@ static void decode_rrr2_msub(CPUTriCoreState *env, DisasContext *ctx)
                                cpu_gpr_d[r3], cpu_gpr_d[r2]);
         break;
     case OPC2_32_RRR2_MSUBS_U_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubsu_64(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r1],
                       cpu_gpr_d[r3], cpu_gpr_d[r3+1], cpu_gpr_d[r2]);
         break;
@@ -7102,66 +7195,98 @@ static void decode_rrr1_madd(CPUTriCoreState *env, DisasContext *ctx)
 
     switch (op2) {
     case OPC2_32_RRR1_MADD_H_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_madd_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                    cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LL);
         break;
     case OPC2_32_RRR1_MADD_H_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_madd_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                    cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LU);
         break;
     case OPC2_32_RRR1_MADD_H_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_madd_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                    cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UL);
         break;
     case OPC2_32_RRR1_MADD_H_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_madd_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                    cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UU);
         break;
     case OPC2_32_RRR1_MADDS_H_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_madds_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LL);
         break;
     case OPC2_32_RRR1_MADDS_H_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_madds_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LU);
         break;
     case OPC2_32_RRR1_MADDS_H_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_madds_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UL);
         break;
     case OPC2_32_RRR1_MADDS_H_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_madds_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UU);
         break;
     case OPC2_32_RRR1_MADDM_H_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddm_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LL);
         break;
     case OPC2_32_RRR1_MADDM_H_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddm_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LU);
         break;
     case OPC2_32_RRR1_MADDM_H_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddm_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UL);
         break;
     case OPC2_32_RRR1_MADDM_H_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddm_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UU);
         break;
     case OPC2_32_RRR1_MADDMS_H_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddms_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LL);
         break;
     case OPC2_32_RRR1_MADDMS_H_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddms_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LU);
         break;
     case OPC2_32_RRR1_MADDMS_H_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddms_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UL);
         break;
     case OPC2_32_RRR1_MADDMS_H_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddms_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UU);
         break;
@@ -7224,6 +7349,8 @@ static void decode_rrr1_maddq_h(CPUTriCoreState *env, DisasContext *ctx)
                      cpu_gpr_d[r2], n, 32, env);
         break;
     case OPC2_32_RRR1_MADD_Q_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_madd64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                      n, env);
@@ -7234,6 +7361,8 @@ static void decode_rrr1_maddq_h(CPUTriCoreState *env, DisasContext *ctx)
                      temp, n, 16, env);
         break;
     case OPC2_32_RRR1_MADD_Q_64_L:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_ext16s_tl(temp, cpu_gpr_d[r2]);
         gen_madd64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], temp,
@@ -7245,6 +7374,8 @@ static void decode_rrr1_maddq_h(CPUTriCoreState *env, DisasContext *ctx)
                      temp, n, 16, env);
         break;
     case OPC2_32_RRR1_MADD_Q_64_U:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_sari_tl(temp, cpu_gpr_d[r2], 16);
         gen_madd64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], temp,
@@ -7256,6 +7387,8 @@ static void decode_rrr1_maddq_h(CPUTriCoreState *env, DisasContext *ctx)
         gen_m16add32_q(cpu_gpr_d[r4], cpu_gpr_d[r3], temp, temp2, n);
         break;
     case OPC2_32_RRR1_MADD_Q_64_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_ext16s_tl(temp, cpu_gpr_d[r1]);
         tcg_gen_ext16s_tl(temp2, cpu_gpr_d[r2]);
         gen_m16add64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
@@ -7267,6 +7400,8 @@ static void decode_rrr1_maddq_h(CPUTriCoreState *env, DisasContext *ctx)
         gen_m16add32_q(cpu_gpr_d[r4], cpu_gpr_d[r3], temp, temp2, n);
         break;
     case OPC2_32_RRR1_MADD_Q_64_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_sari_tl(temp, cpu_gpr_d[r1], 16);
         tcg_gen_sari_tl(temp2, cpu_gpr_d[r2], 16);
         gen_m16add64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
@@ -7277,6 +7412,8 @@ static void decode_rrr1_maddq_h(CPUTriCoreState *env, DisasContext *ctx)
                       cpu_gpr_d[r2], n, 32);
         break;
     case OPC2_32_RRR1_MADDS_Q_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_madds64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n);
@@ -7287,6 +7424,8 @@ static void decode_rrr1_maddq_h(CPUTriCoreState *env, DisasContext *ctx)
                       temp, n, 16);
         break;
     case OPC2_32_RRR1_MADDS_Q_64_L:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_ext16s_tl(temp, cpu_gpr_d[r2]);
         gen_madds64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], temp,
@@ -7298,6 +7437,8 @@ static void decode_rrr1_maddq_h(CPUTriCoreState *env, DisasContext *ctx)
                       temp, n, 16);
         break;
     case OPC2_32_RRR1_MADDS_Q_64_U:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_sari_tl(temp, cpu_gpr_d[r2], 16);
         gen_madds64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], temp,
@@ -7309,6 +7450,8 @@ static void decode_rrr1_maddq_h(CPUTriCoreState *env, DisasContext *ctx)
         gen_m16adds32_q(cpu_gpr_d[r4], cpu_gpr_d[r3], temp, temp2, n);
         break;
     case OPC2_32_RRR1_MADDS_Q_64_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_ext16s_tl(temp, cpu_gpr_d[r1]);
         tcg_gen_ext16s_tl(temp2, cpu_gpr_d[r2]);
         gen_m16adds64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
@@ -7320,16 +7463,20 @@ static void decode_rrr1_maddq_h(CPUTriCoreState *env, DisasContext *ctx)
         gen_m16adds32_q(cpu_gpr_d[r4], cpu_gpr_d[r3], temp, temp2, n);
         break;
     case OPC2_32_RRR1_MADDS_Q_64_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_sari_tl(temp, cpu_gpr_d[r1], 16);
         tcg_gen_sari_tl(temp2, cpu_gpr_d[r2], 16);
         gen_m16adds64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                         cpu_gpr_d[r3+1], temp, temp2, n);
         break;
     case OPC2_32_RRR1_MADDR_H_64_UL:
+        CHECK_REG_PAIR(r3);
         gen_maddr64_h(cpu_gpr_d[r4], cpu_gpr_d[r3], cpu_gpr_d[r3+1],
                       cpu_gpr_d[r1], cpu_gpr_d[r2], n, 2);
         break;
     case OPC2_32_RRR1_MADDRS_H_64_UL:
+        CHECK_REG_PAIR(r3);
         gen_maddr64s_h(cpu_gpr_d[r4], cpu_gpr_d[r3], cpu_gpr_d[r3+1],
                        cpu_gpr_d[r1], cpu_gpr_d[r2], n, 2);
         break;
@@ -7374,77 +7521,109 @@ static void decode_rrr1_maddsu_h(CPUTriCoreState *env, DisasContext *ctx)
 
     switch (op2) {
     case OPC2_32_RRR1_MADDSU_H_32_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsu_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LL);
         break;
     case OPC2_32_RRR1_MADDSU_H_32_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsu_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LU);
         break;
     case OPC2_32_RRR1_MADDSU_H_32_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsu_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UL);
         break;
     case OPC2_32_RRR1_MADDSU_H_32_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsu_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UU);
         break;
     case OPC2_32_RRR1_MADDSUS_H_32_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsus_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_LL);
         break;
     case OPC2_32_RRR1_MADDSUS_H_32_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsus_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_LU);
         break;
     case OPC2_32_RRR1_MADDSUS_H_32_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsus_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_UL);
         break;
     case OPC2_32_RRR1_MADDSUS_H_32_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsus_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_UU);
         break;
     case OPC2_32_RRR1_MADDSUM_H_64_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsum_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_LL);
         break;
     case OPC2_32_RRR1_MADDSUM_H_64_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsum_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_LU);
         break;
     case OPC2_32_RRR1_MADDSUM_H_64_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsum_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_UL);
         break;
     case OPC2_32_RRR1_MADDSUM_H_64_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsum_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_UU);
         break;
     case OPC2_32_RRR1_MADDSUMS_H_64_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsums_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                        cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                        n, MODE_LL);
         break;
     case OPC2_32_RRR1_MADDSUMS_H_64_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsums_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                        cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                        n, MODE_LU);
         break;
     case OPC2_32_RRR1_MADDSUMS_H_64_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsums_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                        cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                        n, MODE_UL);
         break;
     case OPC2_32_RRR1_MADDSUMS_H_64_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_maddsums_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                        cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                        n, MODE_UU);
@@ -7500,66 +7679,98 @@ static void decode_rrr1_msub(CPUTriCoreState *env, DisasContext *ctx)
 
     switch (op2) {
     case OPC2_32_RRR1_MSUB_H_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msub_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                    cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LL);
         break;
     case OPC2_32_RRR1_MSUB_H_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msub_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                    cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LU);
         break;
     case OPC2_32_RRR1_MSUB_H_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msub_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                    cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UL);
         break;
     case OPC2_32_RRR1_MSUB_H_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msub_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                    cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UU);
         break;
     case OPC2_32_RRR1_MSUBS_H_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubs_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LL);
         break;
     case OPC2_32_RRR1_MSUBS_H_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubs_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LU);
         break;
     case OPC2_32_RRR1_MSUBS_H_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubs_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UL);
         break;
     case OPC2_32_RRR1_MSUBS_H_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubs_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UU);
         break;
     case OPC2_32_RRR1_MSUBM_H_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubm_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LL);
         break;
     case OPC2_32_RRR1_MSUBM_H_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubm_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LU);
         break;
     case OPC2_32_RRR1_MSUBM_H_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubm_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UL);
         break;
     case OPC2_32_RRR1_MSUBM_H_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubm_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                     cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UU);
         break;
     case OPC2_32_RRR1_MSUBMS_H_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubms_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LL);
         break;
     case OPC2_32_RRR1_MSUBMS_H_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubms_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LU);
         break;
     case OPC2_32_RRR1_MSUBMS_H_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubms_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UL);
         break;
     case OPC2_32_RRR1_MSUBMS_H_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubms_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UU);
         break;
@@ -7622,6 +7833,8 @@ static void decode_rrr1_msubq_h(CPUTriCoreState *env, DisasContext *ctx)
                      cpu_gpr_d[r2], n, 32, env);
         break;
     case OPC2_32_RRR1_MSUB_Q_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msub64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                      n, env);
@@ -7632,6 +7845,8 @@ static void decode_rrr1_msubq_h(CPUTriCoreState *env, DisasContext *ctx)
                      temp, n, 16, env);
         break;
     case OPC2_32_RRR1_MSUB_Q_64_L:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_ext16s_tl(temp, cpu_gpr_d[r2]);
         gen_msub64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], temp,
@@ -7643,6 +7858,8 @@ static void decode_rrr1_msubq_h(CPUTriCoreState *env, DisasContext *ctx)
                      temp, n, 16, env);
         break;
     case OPC2_32_RRR1_MSUB_Q_64_U:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_sari_tl(temp, cpu_gpr_d[r2], 16);
         gen_msub64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], temp,
@@ -7654,6 +7871,8 @@ static void decode_rrr1_msubq_h(CPUTriCoreState *env, DisasContext *ctx)
         gen_m16sub32_q(cpu_gpr_d[r4], cpu_gpr_d[r3], temp, temp2, n);
         break;
     case OPC2_32_RRR1_MSUB_Q_64_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_ext16s_tl(temp, cpu_gpr_d[r1]);
         tcg_gen_ext16s_tl(temp2, cpu_gpr_d[r2]);
         gen_m16sub64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
@@ -7665,6 +7884,8 @@ static void decode_rrr1_msubq_h(CPUTriCoreState *env, DisasContext *ctx)
         gen_m16sub32_q(cpu_gpr_d[r4], cpu_gpr_d[r3], temp, temp2, n);
         break;
     case OPC2_32_RRR1_MSUB_Q_64_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_sari_tl(temp, cpu_gpr_d[r1], 16);
         tcg_gen_sari_tl(temp2, cpu_gpr_d[r2], 16);
         gen_m16sub64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
@@ -7675,6 +7896,8 @@ static void decode_rrr1_msubq_h(CPUTriCoreState *env, DisasContext *ctx)
                       cpu_gpr_d[r2], n, 32);
         break;
     case OPC2_32_RRR1_MSUBS_Q_64:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubs64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n);
@@ -7685,6 +7908,8 @@ static void decode_rrr1_msubq_h(CPUTriCoreState *env, DisasContext *ctx)
                       temp, n, 16);
         break;
     case OPC2_32_RRR1_MSUBS_Q_64_L:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_ext16s_tl(temp, cpu_gpr_d[r2]);
         gen_msubs64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], temp,
@@ -7696,6 +7921,8 @@ static void decode_rrr1_msubq_h(CPUTriCoreState *env, DisasContext *ctx)
                       temp, n, 16);
         break;
     case OPC2_32_RRR1_MSUBS_Q_64_U:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_sari_tl(temp, cpu_gpr_d[r2], 16);
         gen_msubs64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], temp,
@@ -7707,6 +7934,8 @@ static void decode_rrr1_msubq_h(CPUTriCoreState *env, DisasContext *ctx)
         gen_m16subs32_q(cpu_gpr_d[r4], cpu_gpr_d[r3], temp, temp2, n);
         break;
     case OPC2_32_RRR1_MSUBS_Q_64_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_ext16s_tl(temp, cpu_gpr_d[r1]);
         tcg_gen_ext16s_tl(temp2, cpu_gpr_d[r2]);
         gen_m16subs64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
@@ -7718,16 +7947,20 @@ static void decode_rrr1_msubq_h(CPUTriCoreState *env, DisasContext *ctx)
         gen_m16subs32_q(cpu_gpr_d[r4], cpu_gpr_d[r3], temp, temp2, n);
         break;
     case OPC2_32_RRR1_MSUBS_Q_64_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         tcg_gen_sari_tl(temp, cpu_gpr_d[r1], 16);
         tcg_gen_sari_tl(temp2, cpu_gpr_d[r2], 16);
         gen_m16subs64_q(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                         cpu_gpr_d[r3+1], temp, temp2, n);
         break;
     case OPC2_32_RRR1_MSUBR_H_64_UL:
+        CHECK_REG_PAIR(r3);
         gen_msubr64_h(cpu_gpr_d[r4], cpu_gpr_d[r3], cpu_gpr_d[r3+1],
                       cpu_gpr_d[r1], cpu_gpr_d[r2], n, 2);
         break;
     case OPC2_32_RRR1_MSUBRS_H_64_UL:
+        CHECK_REG_PAIR(r3);
         gen_msubr64s_h(cpu_gpr_d[r4], cpu_gpr_d[r3], cpu_gpr_d[r3+1],
                        cpu_gpr_d[r1], cpu_gpr_d[r2], n, 2);
         break;
@@ -7772,77 +8005,109 @@ static void decode_rrr1_msubad_h(CPUTriCoreState *env, DisasContext *ctx)
 
     switch (op2) {
     case OPC2_32_RRR1_MSUBAD_H_32_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubad_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LL);
         break;
     case OPC2_32_RRR1_MSUBAD_H_32_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubad_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_LU);
         break;
     case OPC2_32_RRR1_MSUBAD_H_32_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubad_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UL);
         break;
     case OPC2_32_RRR1_MSUBAD_H_32_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubad_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                      cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2], n, MODE_UU);
         break;
     case OPC2_32_RRR1_MSUBADS_H_32_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubads_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_LL);
         break;
     case OPC2_32_RRR1_MSUBADS_H_32_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubads_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_LU);
         break;
     case OPC2_32_RRR1_MSUBADS_H_32_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubads_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_UL);
         break;
     case OPC2_32_RRR1_MSUBADS_H_32_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubads_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_UU);
         break;
     case OPC2_32_RRR1_MSUBADM_H_64_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubadm_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_LL);
         break;
     case OPC2_32_RRR1_MSUBADM_H_64_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubadm_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_LU);
         break;
     case OPC2_32_RRR1_MSUBADM_H_64_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubadm_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_UL);
         break;
     case OPC2_32_RRR1_MSUBADM_H_64_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubadm_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                       cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                       n, MODE_UU);
         break;
     case OPC2_32_RRR1_MSUBADMS_H_64_LL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubadms_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                        cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                        n, MODE_LL);
         break;
     case OPC2_32_RRR1_MSUBADMS_H_64_LU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubadms_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                        cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                        n, MODE_LU);
         break;
     case OPC2_32_RRR1_MSUBADMS_H_64_UL:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubadms_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                        cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                        n, MODE_UL);
         break;
     case OPC2_32_RRR1_MSUBADMS_H_64_UU:
+        CHECK_REG_PAIR(r4);
+        CHECK_REG_PAIR(r3);
         gen_msubadms_h(cpu_gpr_d[r4], cpu_gpr_d[r4+1], cpu_gpr_d[r3],
                        cpu_gpr_d[r3+1], cpu_gpr_d[r1], cpu_gpr_d[r2],
                        n, MODE_UU);
@@ -7914,6 +8179,7 @@ static void decode_rrrr_extract_insert(CPUTriCoreState *env, DisasContext *ctx)
         break;
     case OPC2_32_RRRR_EXTR:
     case OPC2_32_RRRR_EXTR_U:
+        CHECK_REG_PAIR(r3);
         tcg_gen_andi_tl(tmp_width, cpu_gpr_d[r3+1], 0x1f);
         tcg_gen_andi_tl(tmp_pos, cpu_gpr_d[r3], 0x1f);
         tcg_gen_add_tl(tmp_pos, tmp_pos, tmp_width);
@@ -7927,6 +8193,7 @@ static void decode_rrrr_extract_insert(CPUTriCoreState *env, DisasContext *ctx)
         }
         break;
     case OPC2_32_RRRR_INSERT:
+        CHECK_REG_PAIR(r3);
         tcg_gen_andi_tl(tmp_width, cpu_gpr_d[r3+1], 0x1f);
         tcg_gen_andi_tl(tmp_pos, cpu_gpr_d[r3], 0x1f);
         gen_insert(cpu_gpr_d[r4], cpu_gpr_d[r1], cpu_gpr_d[r2], tmp_width,
@@ -8291,6 +8558,8 @@ static void decode_32Bit_opc(CPUTriCoreState *env, DisasContext *ctx)
         temp2 = tcg_temp_new(); /* width*/
         temp3 = tcg_temp_new(); /* pos */
 
+        CHECK_REG_PAIR(r3);
+
         tcg_gen_andi_tl(temp2, cpu_gpr_d[r3+1], 0x1f);
         tcg_gen_andi_tl(temp3, cpu_gpr_d[r3], 0x1f);
 
