diff --git a/target-mips/helper.h b/target-mips/helper.h
index 8546177..666936c 100644
--- a/target-mips/helper.h
+++ b/target-mips/helper.h
@@ -207,8 +207,6 @@ DEF_HELPER_4(ctc1, void, env, tl, i32, i32)
 DEF_HELPER_2(float_cvtd_s, i64, env, i32)
 DEF_HELPER_2(float_cvtd_w, i64, env, i32)
 DEF_HELPER_2(float_cvtd_l, i64, env, i64)
-DEF_HELPER_2(float_cvtl_d, i64, env, i64)
-DEF_HELPER_2(float_cvtl_s, i64, env, i32)
 DEF_HELPER_2(float_cvtps_pw, i64, env, i64)
 DEF_HELPER_2(float_cvtpw_ps, i64, env, i64)
 DEF_HELPER_2(float_cvts_d, i32, env, i64)
@@ -216,8 +214,6 @@ DEF_HELPER_2(float_cvts_w, i32, env, i32)
 DEF_HELPER_2(float_cvts_l, i32, env, i64)
 DEF_HELPER_2(float_cvts_pl, i32, env, i32)
 DEF_HELPER_2(float_cvts_pu, i32, env, i32)
-DEF_HELPER_2(float_cvtw_s, i32, env, i32)
-DEF_HELPER_2(float_cvtw_d, i32, env, i64)
 
 DEF_HELPER_3(float_addr_ps, i64, env, i64, i64)
 DEF_HELPER_3(float_mulr_ps, i64, env, i64, i64)
@@ -242,14 +238,20 @@ FOP_PROTO(mina)
 #undef FOP_PROTO
 
 #define FOP_PROTO(op)                            \
-DEF_HELPER_2(float_ ## op ## l_s, i64, env, i32) \
-DEF_HELPER_2(float_ ## op ## l_d, i64, env, i64) \
-DEF_HELPER_2(float_ ## op ## w_s, i32, env, i32) \
-DEF_HELPER_2(float_ ## op ## w_d, i32, env, i64)
+DEF_HELPER_2(float_ ## op ## _l_s, i64, env, i32) \
+DEF_HELPER_2(float_ ## op ## _l_d, i64, env, i64) \
+DEF_HELPER_2(float_ ## op ## _w_s, i32, env, i32) \
+DEF_HELPER_2(float_ ## op ## _w_d, i32, env, i64)
+FOP_PROTO(cvt)
 FOP_PROTO(round)
 FOP_PROTO(trunc)
 FOP_PROTO(ceil)
 FOP_PROTO(floor)
+FOP_PROTO(cvt_2008)
+FOP_PROTO(round_2008)
+FOP_PROTO(trunc_2008)
+FOP_PROTO(ceil_2008)
+FOP_PROTO(floor_2008)
 #undef FOP_PROTO
 
 #define FOP_PROTO(op)                            \
diff --git a/target-mips/op_helper.c b/target-mips/op_helper.c
index 97dffa2..7f6e821 100644
--- a/target-mips/op_helper.c
+++ b/target-mips/op_helper.c
@@ -2447,6 +2447,7 @@ void mips_cpu_unassigned_access(CPUState *cs, hwaddr addr,
 
 #define FLOAT_TWO32 make_float32(1 << 30)
 #define FLOAT_TWO64 make_float64(1ULL << 62)
+
 #define FP_TO_INT32_OVERFLOW 0x7fffffff
 #define FP_TO_INT64_OVERFLOW 0x7fffffffffffffffULL
 
@@ -2682,7 +2683,7 @@ uint64_t helper_float_cvtd_l(CPUMIPSState *env, uint64_t dt0)
     return fdt2;
 }
 
-uint64_t helper_float_cvtl_d(CPUMIPSState *env, uint64_t fdt0)
+uint64_t helper_float_cvt_l_d(CPUMIPSState *env, uint64_t fdt0)
 {
     uint64_t dt2;
 
@@ -2695,7 +2696,7 @@ uint64_t helper_float_cvtl_d(CPUMIPSState *env, uint64_t fdt0)
     return dt2;
 }
 
-uint64_t helper_float_cvtl_s(CPUMIPSState *env, uint32_t fst0)
+uint64_t helper_float_cvt_l_s(CPUMIPSState *env, uint32_t fst0)
 {
     uint64_t dt2;
 
@@ -2790,7 +2791,7 @@ uint32_t helper_float_cvts_pu(CPUMIPSState *env, uint32_t wth0)
     return wt2;
 }
 
-uint32_t helper_float_cvtw_s(CPUMIPSState *env, uint32_t fst0)
+uint32_t helper_float_cvt_w_s(CPUMIPSState *env, uint32_t fst0)
 {
     uint32_t wt2;
 
@@ -2803,7 +2804,7 @@ uint32_t helper_float_cvtw_s(CPUMIPSState *env, uint32_t fst0)
     return wt2;
 }
 
-uint32_t helper_float_cvtw_d(CPUMIPSState *env, uint64_t fdt0)
+uint32_t helper_float_cvt_w_d(CPUMIPSState *env, uint64_t fdt0)
 {
     uint32_t wt2;
 
@@ -2816,7 +2817,7 @@ uint32_t helper_float_cvtw_d(CPUMIPSState *env, uint64_t fdt0)
     return wt2;
 }
 
-uint64_t helper_float_roundl_d(CPUMIPSState *env, uint64_t fdt0)
+uint64_t helper_float_round_l_d(CPUMIPSState *env, uint64_t fdt0)
 {
     uint64_t dt2;
 
@@ -2831,7 +2832,7 @@ uint64_t helper_float_roundl_d(CPUMIPSState *env, uint64_t fdt0)
     return dt2;
 }
 
-uint64_t helper_float_roundl_s(CPUMIPSState *env, uint32_t fst0)
+uint64_t helper_float_round_l_s(CPUMIPSState *env, uint32_t fst0)
 {
     uint64_t dt2;
 
@@ -2846,7 +2847,7 @@ uint64_t helper_float_roundl_s(CPUMIPSState *env, uint32_t fst0)
     return dt2;
 }
 
-uint32_t helper_float_roundw_d(CPUMIPSState *env, uint64_t fdt0)
+uint32_t helper_float_round_w_d(CPUMIPSState *env, uint64_t fdt0)
 {
     uint32_t wt2;
 
@@ -2861,7 +2862,7 @@ uint32_t helper_float_roundw_d(CPUMIPSState *env, uint64_t fdt0)
     return wt2;
 }
 
-uint32_t helper_float_roundw_s(CPUMIPSState *env, uint32_t fst0)
+uint32_t helper_float_round_w_s(CPUMIPSState *env, uint32_t fst0)
 {
     uint32_t wt2;
 
@@ -2876,7 +2877,7 @@ uint32_t helper_float_roundw_s(CPUMIPSState *env, uint32_t fst0)
     return wt2;
 }
 
-uint64_t helper_float_truncl_d(CPUMIPSState *env, uint64_t fdt0)
+uint64_t helper_float_trunc_l_d(CPUMIPSState *env, uint64_t fdt0)
 {
     uint64_t dt2;
 
@@ -2889,7 +2890,7 @@ uint64_t helper_float_truncl_d(CPUMIPSState *env, uint64_t fdt0)
     return dt2;
 }
 
-uint64_t helper_float_truncl_s(CPUMIPSState *env, uint32_t fst0)
+uint64_t helper_float_trunc_l_s(CPUMIPSState *env, uint32_t fst0)
 {
     uint64_t dt2;
 
@@ -2902,7 +2903,7 @@ uint64_t helper_float_truncl_s(CPUMIPSState *env, uint32_t fst0)
     return dt2;
 }
 
-uint32_t helper_float_truncw_d(CPUMIPSState *env, uint64_t fdt0)
+uint32_t helper_float_trunc_w_d(CPUMIPSState *env, uint64_t fdt0)
 {
     uint32_t wt2;
 
@@ -2915,7 +2916,7 @@ uint32_t helper_float_truncw_d(CPUMIPSState *env, uint64_t fdt0)
     return wt2;
 }
 
-uint32_t helper_float_truncw_s(CPUMIPSState *env, uint32_t fst0)
+uint32_t helper_float_trunc_w_s(CPUMIPSState *env, uint32_t fst0)
 {
     uint32_t wt2;
 
@@ -2928,7 +2929,7 @@ uint32_t helper_float_truncw_s(CPUMIPSState *env, uint32_t fst0)
     return wt2;
 }
 
-uint64_t helper_float_ceill_d(CPUMIPSState *env, uint64_t fdt0)
+uint64_t helper_float_ceil_l_d(CPUMIPSState *env, uint64_t fdt0)
 {
     uint64_t dt2;
 
@@ -2943,7 +2944,7 @@ uint64_t helper_float_ceill_d(CPUMIPSState *env, uint64_t fdt0)
     return dt2;
 }
 
-uint64_t helper_float_ceill_s(CPUMIPSState *env, uint32_t fst0)
+uint64_t helper_float_ceil_l_s(CPUMIPSState *env, uint32_t fst0)
 {
     uint64_t dt2;
 
@@ -2958,7 +2959,7 @@ uint64_t helper_float_ceill_s(CPUMIPSState *env, uint32_t fst0)
     return dt2;
 }
 
-uint32_t helper_float_ceilw_d(CPUMIPSState *env, uint64_t fdt0)
+uint32_t helper_float_ceil_w_d(CPUMIPSState *env, uint64_t fdt0)
 {
     uint32_t wt2;
 
@@ -2973,7 +2974,7 @@ uint32_t helper_float_ceilw_d(CPUMIPSState *env, uint64_t fdt0)
     return wt2;
 }
 
-uint32_t helper_float_ceilw_s(CPUMIPSState *env, uint32_t fst0)
+uint32_t helper_float_ceil_w_s(CPUMIPSState *env, uint32_t fst0)
 {
     uint32_t wt2;
 
@@ -2988,7 +2989,7 @@ uint32_t helper_float_ceilw_s(CPUMIPSState *env, uint32_t fst0)
     return wt2;
 }
 
-uint64_t helper_float_floorl_d(CPUMIPSState *env, uint64_t fdt0)
+uint64_t helper_float_floor_l_d(CPUMIPSState *env, uint64_t fdt0)
 {
     uint64_t dt2;
 
@@ -3003,7 +3004,7 @@ uint64_t helper_float_floorl_d(CPUMIPSState *env, uint64_t fdt0)
     return dt2;
 }
 
-uint64_t helper_float_floorl_s(CPUMIPSState *env, uint32_t fst0)
+uint64_t helper_float_floor_l_s(CPUMIPSState *env, uint32_t fst0)
 {
     uint64_t dt2;
 
@@ -3018,7 +3019,7 @@ uint64_t helper_float_floorl_s(CPUMIPSState *env, uint32_t fst0)
     return dt2;
 }
 
-uint32_t helper_float_floorw_d(CPUMIPSState *env, uint64_t fdt0)
+uint32_t helper_float_floor_w_d(CPUMIPSState *env, uint64_t fdt0)
 {
     uint32_t wt2;
 
@@ -3033,7 +3034,7 @@ uint32_t helper_float_floorw_d(CPUMIPSState *env, uint64_t fdt0)
     return wt2;
 }
 
-uint32_t helper_float_floorw_s(CPUMIPSState *env, uint32_t fst0)
+uint32_t helper_float_floor_w_s(CPUMIPSState *env, uint32_t fst0)
 {
     uint32_t wt2;
 
@@ -3048,6 +3049,334 @@ uint32_t helper_float_floorw_s(CPUMIPSState *env, uint32_t fst0)
     return wt2;
 }
 
+uint64_t helper_float_cvt_2008_l_d(CPUMIPSState *env, uint64_t fdt0)
+{
+    uint64_t dt2;
+
+    dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float64_is_any_nan(fdt0)) {
+            dt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return dt2;
+}
+
+uint64_t helper_float_cvt_2008_l_s(CPUMIPSState *env, uint32_t fst0)
+{
+    uint64_t dt2;
+
+    dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float32_is_any_nan(fst0)) {
+            dt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return dt2;
+}
+
+uint32_t helper_float_cvt_2008_w_d(CPUMIPSState *env, uint64_t fdt0)
+{
+    uint32_t wt2;
+
+    wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float64_is_any_nan(fdt0)) {
+            wt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return wt2;
+}
+
+uint32_t helper_float_cvt_2008_w_s(CPUMIPSState *env, uint32_t fst0)
+{
+    uint32_t wt2;
+
+    wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float32_is_any_nan(fst0)) {
+            wt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return wt2;
+}
+
+uint64_t helper_float_round_2008_l_d(CPUMIPSState *env, uint64_t fdt0)
+{
+    uint64_t dt2;
+
+    set_float_rounding_mode(float_round_nearest_even,
+            &env->active_fpu.fp_status);
+    dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
+    restore_rounding_mode(env);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float64_is_any_nan(fdt0)) {
+            dt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return dt2;
+}
+
+uint64_t helper_float_round_2008_l_s(CPUMIPSState *env, uint32_t fst0)
+{
+    uint64_t dt2;
+
+    set_float_rounding_mode(float_round_nearest_even,
+            &env->active_fpu.fp_status);
+    dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
+    restore_rounding_mode(env);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float32_is_any_nan(fst0)) {
+            dt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return dt2;
+}
+
+uint32_t helper_float_round_2008_w_d(CPUMIPSState *env, uint64_t fdt0)
+{
+    uint32_t wt2;
+
+    set_float_rounding_mode(float_round_nearest_even,
+            &env->active_fpu.fp_status);
+    wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
+    restore_rounding_mode(env);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float64_is_any_nan(fdt0)) {
+            wt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return wt2;
+}
+
+uint32_t helper_float_round_2008_w_s(CPUMIPSState *env, uint32_t fst0)
+{
+    uint32_t wt2;
+
+    set_float_rounding_mode(float_round_nearest_even,
+            &env->active_fpu.fp_status);
+    wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
+    restore_rounding_mode(env);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float32_is_any_nan(fst0)) {
+            wt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return wt2;
+}
+
+uint64_t helper_float_trunc_2008_l_d(CPUMIPSState *env, uint64_t fdt0)
+{
+    uint64_t dt2;
+
+    dt2 = float64_to_int64_round_to_zero(fdt0, &env->active_fpu.fp_status);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float64_is_any_nan(fdt0)) {
+            dt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return dt2;
+}
+
+uint64_t helper_float_trunc_2008_l_s(CPUMIPSState *env, uint32_t fst0)
+{
+    uint64_t dt2;
+
+    dt2 = float32_to_int64_round_to_zero(fst0, &env->active_fpu.fp_status);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float32_is_any_nan(fst0)) {
+            dt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return dt2;
+}
+
+uint32_t helper_float_trunc_2008_w_d(CPUMIPSState *env, uint64_t fdt0)
+{
+    uint32_t wt2;
+
+    wt2 = float64_to_int32_round_to_zero(fdt0, &env->active_fpu.fp_status);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float64_is_any_nan(fdt0)) {
+            wt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return wt2;
+}
+
+uint32_t helper_float_trunc_2008_w_s(CPUMIPSState *env, uint32_t fst0)
+{
+    uint32_t wt2;
+
+    wt2 = float32_to_int32_round_to_zero(fst0, &env->active_fpu.fp_status);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float32_is_any_nan(fst0)) {
+            wt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return wt2;
+}
+
+uint64_t helper_float_ceil_2008_l_d(CPUMIPSState *env, uint64_t fdt0)
+{
+    uint64_t dt2;
+
+    set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
+    dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
+    restore_rounding_mode(env);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float64_is_any_nan(fdt0)) {
+            dt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return dt2;
+}
+
+uint64_t helper_float_ceil_2008_l_s(CPUMIPSState *env, uint32_t fst0)
+{
+    uint64_t dt2;
+
+    set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
+    dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
+    restore_rounding_mode(env);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float32_is_any_nan(fst0)) {
+            dt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return dt2;
+}
+
+uint32_t helper_float_ceil_2008_w_d(CPUMIPSState *env, uint64_t fdt0)
+{
+    uint32_t wt2;
+
+    set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
+    wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
+    restore_rounding_mode(env);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float64_is_any_nan(fdt0)) {
+            wt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return wt2;
+}
+
+uint32_t helper_float_ceil_2008_w_s(CPUMIPSState *env, uint32_t fst0)
+{
+    uint32_t wt2;
+
+    set_float_rounding_mode(float_round_up, &env->active_fpu.fp_status);
+    wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
+    restore_rounding_mode(env);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float32_is_any_nan(fst0)) {
+            wt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return wt2;
+}
+
+uint64_t helper_float_floor_2008_l_d(CPUMIPSState *env, uint64_t fdt0)
+{
+    uint64_t dt2;
+
+    set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
+    dt2 = float64_to_int64(fdt0, &env->active_fpu.fp_status);
+    restore_rounding_mode(env);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float64_is_any_nan(fdt0)) {
+            dt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return dt2;
+}
+
+uint64_t helper_float_floor_2008_l_s(CPUMIPSState *env, uint32_t fst0)
+{
+    uint64_t dt2;
+
+    set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
+    dt2 = float32_to_int64(fst0, &env->active_fpu.fp_status);
+    restore_rounding_mode(env);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float32_is_any_nan(fst0)) {
+            dt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return dt2;
+}
+
+uint32_t helper_float_floor_2008_w_d(CPUMIPSState *env, uint64_t fdt0)
+{
+    uint32_t wt2;
+
+    set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
+    wt2 = float64_to_int32(fdt0, &env->active_fpu.fp_status);
+    restore_rounding_mode(env);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float64_is_any_nan(fdt0)) {
+            wt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return wt2;
+}
+
+uint32_t helper_float_floor_2008_w_s(CPUMIPSState *env, uint32_t fst0)
+{
+    uint32_t wt2;
+
+    set_float_rounding_mode(float_round_down, &env->active_fpu.fp_status);
+    wt2 = float32_to_int32(fst0, &env->active_fpu.fp_status);
+    restore_rounding_mode(env);
+    if (get_float_exception_flags(&env->active_fpu.fp_status)
+            & float_flag_invalid) {
+        if (float32_is_any_nan(fst0)) {
+            wt2 = 0;
+        }
+    }
+    update_fcr31(env, GETPC());
+    return wt2;
+}
+
 /* unary operations, not modifying fp status  */
 #define FLOAT_UNOP(name)                                       \
 uint64_t helper_float_ ## name ## _d(uint64_t fdt0)                \
diff --git a/target-mips/translate.c b/target-mips/translate.c
index 661ca3a..01b42d2 100644
--- a/target-mips/translate.c
+++ b/target-mips/translate.c
@@ -1435,6 +1435,7 @@ typedef struct DisasContext {
     bool vp;
     bool cmgcr;
     bool mrp;
+    bool nan2008;
     bool abs2008;
 } DisasContext;
 
@@ -8930,7 +8931,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i64 fp64 = tcg_temp_new_i64();
 
             gen_load_fpr32(ctx, fp32, fs);
-            gen_helper_float_roundl_s(fp64, cpu_env, fp32);
+            if (ctx->nan2008) {
+                gen_helper_float_round_2008_l_s(fp64, cpu_env, fp32);
+            } else {
+                gen_helper_float_round_l_s(fp64, cpu_env, fp32);
+            }
             tcg_temp_free_i32(fp32);
             gen_store_fpr64(ctx, fp64, fd);
             tcg_temp_free_i64(fp64);
@@ -8943,7 +8948,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i64 fp64 = tcg_temp_new_i64();
 
             gen_load_fpr32(ctx, fp32, fs);
-            gen_helper_float_truncl_s(fp64, cpu_env, fp32);
+            if (ctx->nan2008) {
+                gen_helper_float_trunc_2008_l_s(fp64, cpu_env, fp32);
+            } else {
+                gen_helper_float_trunc_l_s(fp64, cpu_env, fp32);
+            }
             tcg_temp_free_i32(fp32);
             gen_store_fpr64(ctx, fp64, fd);
             tcg_temp_free_i64(fp64);
@@ -8956,7 +8965,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i64 fp64 = tcg_temp_new_i64();
 
             gen_load_fpr32(ctx, fp32, fs);
-            gen_helper_float_ceill_s(fp64, cpu_env, fp32);
+            if (ctx->nan2008) {
+                gen_helper_float_ceil_2008_l_s(fp64, cpu_env, fp32);
+            } else {
+                gen_helper_float_ceil_l_s(fp64, cpu_env, fp32);
+            }
             tcg_temp_free_i32(fp32);
             gen_store_fpr64(ctx, fp64, fd);
             tcg_temp_free_i64(fp64);
@@ -8969,7 +8982,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i64 fp64 = tcg_temp_new_i64();
 
             gen_load_fpr32(ctx, fp32, fs);
-            gen_helper_float_floorl_s(fp64, cpu_env, fp32);
+            if (ctx->nan2008) {
+                gen_helper_float_floor_2008_l_s(fp64, cpu_env, fp32);
+            } else {
+                gen_helper_float_floor_l_s(fp64, cpu_env, fp32);
+            }
             tcg_temp_free_i32(fp32);
             gen_store_fpr64(ctx, fp64, fd);
             tcg_temp_free_i64(fp64);
@@ -8980,7 +8997,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i32 fp0 = tcg_temp_new_i32();
 
             gen_load_fpr32(ctx, fp0, fs);
-            gen_helper_float_roundw_s(fp0, cpu_env, fp0);
+            if (ctx->nan2008) {
+                gen_helper_float_round_2008_w_s(fp0, cpu_env, fp0);
+            } else {
+                gen_helper_float_round_w_s(fp0, cpu_env, fp0);
+            }
             gen_store_fpr32(ctx, fp0, fd);
             tcg_temp_free_i32(fp0);
         }
@@ -8990,7 +9011,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i32 fp0 = tcg_temp_new_i32();
 
             gen_load_fpr32(ctx, fp0, fs);
-            gen_helper_float_truncw_s(fp0, cpu_env, fp0);
+            if (ctx->nan2008) {
+                gen_helper_float_trunc_2008_w_s(fp0, cpu_env, fp0);
+            } else {
+                gen_helper_float_trunc_w_s(fp0, cpu_env, fp0);
+            }
             gen_store_fpr32(ctx, fp0, fd);
             tcg_temp_free_i32(fp0);
         }
@@ -9000,7 +9025,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i32 fp0 = tcg_temp_new_i32();
 
             gen_load_fpr32(ctx, fp0, fs);
-            gen_helper_float_ceilw_s(fp0, cpu_env, fp0);
+            if (ctx->nan2008) {
+                gen_helper_float_ceil_2008_w_s(fp0, cpu_env, fp0);
+            } else {
+                gen_helper_float_ceil_w_s(fp0, cpu_env, fp0);
+            }
             gen_store_fpr32(ctx, fp0, fd);
             tcg_temp_free_i32(fp0);
         }
@@ -9010,7 +9039,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i32 fp0 = tcg_temp_new_i32();
 
             gen_load_fpr32(ctx, fp0, fs);
-            gen_helper_float_floorw_s(fp0, cpu_env, fp0);
+            if (ctx->nan2008) {
+                gen_helper_float_floor_2008_w_s(fp0, cpu_env, fp0);
+            } else {
+                gen_helper_float_floor_w_s(fp0, cpu_env, fp0);
+            }
             gen_store_fpr32(ctx, fp0, fd);
             tcg_temp_free_i32(fp0);
         }
@@ -9259,7 +9292,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i32 fp0 = tcg_temp_new_i32();
 
             gen_load_fpr32(ctx, fp0, fs);
-            gen_helper_float_cvtw_s(fp0, cpu_env, fp0);
+            if (ctx->nan2008) {
+                gen_helper_float_cvt_2008_w_s(fp0, cpu_env, fp0);
+            } else {
+                gen_helper_float_cvt_w_s(fp0, cpu_env, fp0);
+            }
             gen_store_fpr32(ctx, fp0, fd);
             tcg_temp_free_i32(fp0);
         }
@@ -9271,7 +9308,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i64 fp64 = tcg_temp_new_i64();
 
             gen_load_fpr32(ctx, fp32, fs);
-            gen_helper_float_cvtl_s(fp64, cpu_env, fp32);
+            if (ctx->nan2008) {
+                gen_helper_float_cvt_2008_l_s(fp64, cpu_env, fp32);
+            } else {
+                gen_helper_float_cvt_l_s(fp64, cpu_env, fp32);
+            }
             tcg_temp_free_i32(fp32);
             gen_store_fpr64(ctx, fp64, fd);
             tcg_temp_free_i64(fp64);
@@ -9429,7 +9470,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i64 fp0 = tcg_temp_new_i64();
 
             gen_load_fpr64(ctx, fp0, fs);
-            gen_helper_float_roundl_d(fp0, cpu_env, fp0);
+            if (ctx->nan2008) {
+                gen_helper_float_round_2008_l_d(fp0, cpu_env, fp0);
+            } else {
+                gen_helper_float_round_l_d(fp0, cpu_env, fp0);
+            }
             gen_store_fpr64(ctx, fp0, fd);
             tcg_temp_free_i64(fp0);
         }
@@ -9440,7 +9485,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i64 fp0 = tcg_temp_new_i64();
 
             gen_load_fpr64(ctx, fp0, fs);
-            gen_helper_float_truncl_d(fp0, cpu_env, fp0);
+            if (ctx->nan2008) {
+                gen_helper_float_trunc_2008_l_d(fp0, cpu_env, fp0);
+            } else {
+                gen_helper_float_trunc_l_d(fp0, cpu_env, fp0);
+            }
             gen_store_fpr64(ctx, fp0, fd);
             tcg_temp_free_i64(fp0);
         }
@@ -9451,7 +9500,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i64 fp0 = tcg_temp_new_i64();
 
             gen_load_fpr64(ctx, fp0, fs);
-            gen_helper_float_ceill_d(fp0, cpu_env, fp0);
+            if (ctx->nan2008) {
+                gen_helper_float_ceil_2008_l_d(fp0, cpu_env, fp0);
+            } else {
+                gen_helper_float_ceil_l_d(fp0, cpu_env, fp0);
+            }
             gen_store_fpr64(ctx, fp0, fd);
             tcg_temp_free_i64(fp0);
         }
@@ -9462,7 +9515,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i64 fp0 = tcg_temp_new_i64();
 
             gen_load_fpr64(ctx, fp0, fs);
-            gen_helper_float_floorl_d(fp0, cpu_env, fp0);
+            if (ctx->nan2008) {
+                gen_helper_float_floor_2008_l_d(fp0, cpu_env, fp0);
+            } else {
+                gen_helper_float_floor_l_d(fp0, cpu_env, fp0);
+            }
             gen_store_fpr64(ctx, fp0, fd);
             tcg_temp_free_i64(fp0);
         }
@@ -9474,7 +9531,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i64 fp64 = tcg_temp_new_i64();
 
             gen_load_fpr64(ctx, fp64, fs);
-            gen_helper_float_roundw_d(fp32, cpu_env, fp64);
+            if (ctx->nan2008) {
+                gen_helper_float_round_2008_w_d(fp32, cpu_env, fp64);
+            } else {
+                gen_helper_float_round_w_d(fp32, cpu_env, fp64);
+            }
             tcg_temp_free_i64(fp64);
             gen_store_fpr32(ctx, fp32, fd);
             tcg_temp_free_i32(fp32);
@@ -9487,7 +9548,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i64 fp64 = tcg_temp_new_i64();
 
             gen_load_fpr64(ctx, fp64, fs);
-            gen_helper_float_truncw_d(fp32, cpu_env, fp64);
+            if (ctx->nan2008) {
+                gen_helper_float_trunc_2008_w_d(fp32, cpu_env, fp64);
+            } else {
+                gen_helper_float_trunc_w_d(fp32, cpu_env, fp64);
+            }
             tcg_temp_free_i64(fp64);
             gen_store_fpr32(ctx, fp32, fd);
             tcg_temp_free_i32(fp32);
@@ -9500,7 +9565,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i64 fp64 = tcg_temp_new_i64();
 
             gen_load_fpr64(ctx, fp64, fs);
-            gen_helper_float_ceilw_d(fp32, cpu_env, fp64);
+            if (ctx->nan2008) {
+                gen_helper_float_ceil_2008_w_d(fp32, cpu_env, fp64);
+            } else {
+                gen_helper_float_ceil_w_d(fp32, cpu_env, fp64);
+            }
             tcg_temp_free_i64(fp64);
             gen_store_fpr32(ctx, fp32, fd);
             tcg_temp_free_i32(fp32);
@@ -9513,7 +9582,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i64 fp64 = tcg_temp_new_i64();
 
             gen_load_fpr64(ctx, fp64, fs);
-            gen_helper_float_floorw_d(fp32, cpu_env, fp64);
+            if (ctx->nan2008) {
+                gen_helper_float_floor_2008_w_d(fp32, cpu_env, fp64);
+            } else {
+                gen_helper_float_floor_w_d(fp32, cpu_env, fp64);
+            }
             tcg_temp_free_i64(fp64);
             gen_store_fpr32(ctx, fp32, fd);
             tcg_temp_free_i32(fp32);
@@ -9786,7 +9859,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i64 fp64 = tcg_temp_new_i64();
 
             gen_load_fpr64(ctx, fp64, fs);
-            gen_helper_float_cvtw_d(fp32, cpu_env, fp64);
+            if (ctx->nan2008) {
+                gen_helper_float_cvt_2008_w_d(fp32, cpu_env, fp64);
+            } else {
+                gen_helper_float_cvt_w_d(fp32, cpu_env, fp64);
+            }
             tcg_temp_free_i64(fp64);
             gen_store_fpr32(ctx, fp32, fd);
             tcg_temp_free_i32(fp32);
@@ -9798,7 +9875,11 @@ static void gen_farith (DisasContext *ctx, enum fopcode op1,
             TCGv_i64 fp0 = tcg_temp_new_i64();
 
             gen_load_fpr64(ctx, fp0, fs);
-            gen_helper_float_cvtl_d(fp0, cpu_env, fp0);
+            if (ctx->nan2008) {
+                gen_helper_float_cvt_2008_l_d(fp0, cpu_env, fp0);
+            } else {
+                gen_helper_float_cvt_l_d(fp0, cpu_env, fp0);
+            }
             gen_store_fpr64(ctx, fp0, fd);
             tcg_temp_free_i64(fp0);
         }
@@ -19803,6 +19884,7 @@ void gen_intermediate_code(CPUMIPSState *env, struct TranslationBlock *tb)
              (env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F));
     ctx.vp = (env->CP0_Config5 >> CP0C5_VP) & 1;
     ctx.mrp = (env->CP0_Config5 >> CP0C5_MRP) & 1;
+    ctx.nan2008 = (env->active_fpu.fcr31 >> FCR31_NAN2008) & 1;
     ctx.abs2008 = (env->active_fpu.fcr31 >> FCR31_ABS2008) & 1;
     restore_cpu_state(env, &ctx);
 #ifdef CONFIG_USER_ONLY
