[PATCH v11 12/26] target/loongarch: Add floating point conversion instruction translation

Song Gao posted 26 patches 1 year ago
There is a newer version of this series
Maintainers: Song Gao <gaosong@loongson.cn>, Laurent Vivier <laurent@vivier.eu>
[PATCH v11 12/26] target/loongarch: Add floating point conversion instruction translation
Posted by Song Gao 1 year ago
This includes:
- FCVT.S.D, FCVT.D.S
- FFINT.{S/D}.{W/L}, FTINT.{W/L}.{S/D}
- FTINT{RM/RP/RZ/RNE}.{W/L}.{S/D}
- FRINT.{S/D}

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/loongarch/fpu_helper.c                | 393 +++++++++++++++++++++++++++
 target/loongarch/helper.h                    |  29 ++
 target/loongarch/insn_trans/trans_fcnv.c.inc |  33 +++
 target/loongarch/insns.decode                |  32 +++
 target/loongarch/translate.c                 |   1 +
 5 files changed, 488 insertions(+)
 create mode 100644 target/loongarch/insn_trans/trans_fcnv.c.inc

diff --git a/target/loongarch/fpu_helper.c b/target/loongarch/fpu_helper.c
index 807ffd0..4799b47 100644
--- a/target/loongarch/fpu_helper.c
+++ b/target/loongarch/fpu_helper.c
@@ -463,3 +463,396 @@ uint64_t helper_fcmp_s_d(CPULoongArchState *env, uint64_t fj,
     FloatRelation cmp = float64_compare(fj, fk, &env->fp_status);
     return fcmp_common(env, cmp, flags);
 }
+
+/* floating point conversion */
+uint64_t helper_fcvt_s_d(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+
+    fd = nanbox_s(float64_to_float32(fj, &env->fp_status));
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_fcvt_d_s(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+
+    fd = float32_to_float64((uint32_t)fj, &env->fp_status);
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ffint_s_w(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+
+    fd = nanbox_s(int32_to_float32((int32_t)fj, &env->fp_status));
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ffint_s_l(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+
+    fd = nanbox_s(int64_to_float32(fj, &env->fp_status));
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ffint_d_w(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+
+    fd = int32_to_float64((int32_t)fj, &env->fp_status);
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ffint_d_l(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+
+    fd = int64_to_float64(fj, &env->fp_status);
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_frint_s(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+
+    fd = (uint64_t)(float32_round_to_int((uint32_t)fj, &env->fp_status));
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_frint_d(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+
+    fd = float64_round_to_int(fj, &env->fp_status);
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftintrm_l_d(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    set_float_rounding_mode(float_round_down, &env->fp_status);
+    fd = float64_to_int64(fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT64_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftintrm_l_s(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    set_float_rounding_mode(float_round_down, &env->fp_status);
+    fd = float32_to_int64((uint32_t)fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT64_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftintrm_w_d(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    set_float_rounding_mode(float_round_down, &env->fp_status);
+    fd = (uint64_t)float64_to_int32(fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT32_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftintrm_w_s(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    set_float_rounding_mode(float_round_down, &env->fp_status);
+    fd = (uint64_t)float32_to_int32((uint32_t)fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT32_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftintrp_l_d(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    set_float_rounding_mode(float_round_up, &env->fp_status);
+    fd = float64_to_int64(fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT64_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftintrp_l_s(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    set_float_rounding_mode(float_round_up, &env->fp_status);
+    fd = float32_to_int64((uint32_t)fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT64_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftintrp_w_d(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    set_float_rounding_mode(float_round_up, &env->fp_status);
+    fd = (uint64_t)float64_to_int32(fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT32_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftintrp_w_s(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    set_float_rounding_mode(float_round_up, &env->fp_status);
+    fd = (uint64_t)float32_to_int32((uint32_t)fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT32_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftintrz_l_d(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    fd = float64_to_int64_round_to_zero(fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT64_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftintrz_l_s(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    fd = float32_to_int64_round_to_zero((uint32_t)fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT64_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftintrz_w_d(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    fd = (uint64_t)float64_to_int32_round_to_zero(fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT32_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftintrz_w_s(CPULoongArchState *env, uint64_t fj)
+{
+    uint32_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    fd = float32_to_int32_round_to_zero((uint32_t)fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT32_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return (uint64_t)fd;
+}
+
+uint64_t helper_ftintrne_l_d(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
+    fd = float64_to_int64(fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT64_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftintrne_l_s(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
+    fd = float32_to_int64((uint32_t)fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT64_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftintrne_w_d(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
+    fd = (uint64_t)float64_to_int32(fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT32_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftintrne_w_s(CPULoongArchState *env, uint64_t fj)
+{
+    uint32_t fd;
+    FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
+
+    set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
+    fd = float32_to_int32((uint32_t)fj, &env->fp_status);
+    set_float_rounding_mode(old_mode, &env->fp_status);
+
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT32_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return (uint64_t)fd;
+}
+
+uint64_t helper_ftint_l_d(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+
+    fd = float64_to_int64(fj, &env->fp_status);
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT64_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftint_l_s(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+
+    fd = float32_to_int64((uint32_t)fj, &env->fp_status);
+    if (get_float_exception_flags(&env->fp_status) &
+        (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT64_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftint_w_s(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+
+    fd = (uint64_t)float32_to_int32((uint32_t)fj, &env->fp_status);
+    if (get_float_exception_flags(&env->fp_status)
+        & (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT32_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
+
+uint64_t helper_ftint_w_d(CPULoongArchState *env, uint64_t fj)
+{
+    uint64_t fd;
+
+    fd = (uint64_t)float64_to_int32(fj, &env->fp_status);
+    if (get_float_exception_flags(&env->fp_status)
+        & (float_flag_invalid | float_flag_overflow)) {
+        fd = FLOAT_TO_INT32_OVERFLOW;
+    }
+    update_fcsr0(env, GETPC());
+    return fd;
+}
diff --git a/target/loongarch/helper.h b/target/loongarch/helper.h
index 30b270a..51bbf25 100644
--- a/target/loongarch/helper.h
+++ b/target/loongarch/helper.h
@@ -61,3 +61,32 @@ DEF_HELPER_4(fcmp_s_s, i64, env, i64, i64, i32)
 DEF_HELPER_4(fcmp_c_d, i64, env, i64, i64, i32)
 /* fcmp.sXXX.d */
 DEF_HELPER_4(fcmp_s_d, i64, env, i64, i64, i32)
+
+DEF_HELPER_2(fcvt_d_s, i64, env, i64)
+DEF_HELPER_2(fcvt_s_d, i64, env, i64)
+DEF_HELPER_2(ffint_d_w, i64, env, i64)
+DEF_HELPER_2(ffint_d_l, i64, env, i64)
+DEF_HELPER_2(ffint_s_w, i64, env, i64)
+DEF_HELPER_2(ffint_s_l, i64, env, i64)
+DEF_HELPER_2(ftintrm_l_s, i64, env, i64)
+DEF_HELPER_2(ftintrm_l_d, i64, env, i64)
+DEF_HELPER_2(ftintrm_w_s, i64, env, i64)
+DEF_HELPER_2(ftintrm_w_d, i64, env, i64)
+DEF_HELPER_2(ftintrp_l_s, i64, env, i64)
+DEF_HELPER_2(ftintrp_l_d, i64, env, i64)
+DEF_HELPER_2(ftintrp_w_s, i64, env, i64)
+DEF_HELPER_2(ftintrp_w_d, i64, env, i64)
+DEF_HELPER_2(ftintrz_l_s, i64, env, i64)
+DEF_HELPER_2(ftintrz_l_d, i64, env, i64)
+DEF_HELPER_2(ftintrz_w_s, i64, env, i64)
+DEF_HELPER_2(ftintrz_w_d, i64, env, i64)
+DEF_HELPER_2(ftintrne_l_s, i64, env, i64)
+DEF_HELPER_2(ftintrne_l_d, i64, env, i64)
+DEF_HELPER_2(ftintrne_w_s, i64, env, i64)
+DEF_HELPER_2(ftintrne_w_d, i64, env, i64)
+DEF_HELPER_2(ftint_l_s, i64, env, i64)
+DEF_HELPER_2(ftint_l_d, i64, env, i64)
+DEF_HELPER_2(ftint_w_s, i64, env, i64)
+DEF_HELPER_2(ftint_w_d, i64, env, i64)
+DEF_HELPER_2(frint_s, i64, env, i64)
+DEF_HELPER_2(frint_d, i64, env, i64)
diff --git a/target/loongarch/insn_trans/trans_fcnv.c.inc b/target/loongarch/insn_trans/trans_fcnv.c.inc
new file mode 100644
index 0000000..c1c6918
--- /dev/null
+++ b/target/loongarch/insn_trans/trans_fcnv.c.inc
@@ -0,0 +1,33 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * Copyright (c) 2021 Loongson Technology Corporation Limited
+ */
+
+TRANS(fcvt_s_d, gen_ff, gen_helper_fcvt_s_d)
+TRANS(fcvt_d_s, gen_ff, gen_helper_fcvt_d_s)
+TRANS(ftintrm_w_s, gen_ff, gen_helper_ftintrm_w_s)
+TRANS(ftintrm_w_d, gen_ff, gen_helper_ftintrm_w_d)
+TRANS(ftintrm_l_s, gen_ff, gen_helper_ftintrm_l_s)
+TRANS(ftintrm_l_d, gen_ff, gen_helper_ftintrm_l_d)
+TRANS(ftintrp_w_s, gen_ff, gen_helper_ftintrp_w_s)
+TRANS(ftintrp_w_d, gen_ff, gen_helper_ftintrp_w_d)
+TRANS(ftintrp_l_s, gen_ff, gen_helper_ftintrp_l_s)
+TRANS(ftintrp_l_d, gen_ff, gen_helper_ftintrp_l_d)
+TRANS(ftintrz_w_s, gen_ff, gen_helper_ftintrz_w_s)
+TRANS(ftintrz_w_d, gen_ff, gen_helper_ftintrz_w_d)
+TRANS(ftintrz_l_s, gen_ff, gen_helper_ftintrz_l_s)
+TRANS(ftintrz_l_d, gen_ff, gen_helper_ftintrz_l_d)
+TRANS(ftintrne_w_s, gen_ff, gen_helper_ftintrne_w_s)
+TRANS(ftintrne_w_d, gen_ff, gen_helper_ftintrne_w_d)
+TRANS(ftintrne_l_s, gen_ff, gen_helper_ftintrne_l_s)
+TRANS(ftintrne_l_d, gen_ff, gen_helper_ftintrne_l_d)
+TRANS(ftint_w_s, gen_ff, gen_helper_ftint_w_s)
+TRANS(ftint_w_d, gen_ff, gen_helper_ftint_w_d)
+TRANS(ftint_l_s, gen_ff, gen_helper_ftint_l_s)
+TRANS(ftint_l_d, gen_ff, gen_helper_ftint_l_d)
+TRANS(ffint_s_w, gen_ff, gen_helper_ffint_s_w)
+TRANS(ffint_s_l, gen_ff, gen_helper_ffint_s_l)
+TRANS(ffint_d_w, gen_ff, gen_helper_ffint_d_w)
+TRANS(ffint_d_l, gen_ff, gen_helper_ffint_d_l)
+TRANS(frint_s, gen_ff, gen_helper_frint_s)
+TRANS(frint_d, gen_ff, gen_helper_frint_d)
diff --git a/target/loongarch/insns.decode b/target/loongarch/insns.decode
index 17e1df8..a7e0a7e 100644
--- a/target/loongarch/insns.decode
+++ b/target/loongarch/insns.decode
@@ -319,3 +319,35 @@ fclass_d        0000 00010001 01000 01110 ..... .....    @ff
 #
 fcmp_cond_s     0000 11000001 ..... ..... ..... 00 ...   @cff_fcond
 fcmp_cond_d     0000 11000010 ..... ..... ..... 00 ...   @cff_fcond
+
+#
+# Floating point conversion instruction
+#
+fcvt_s_d        0000 00010001 10010 00110 ..... .....    @ff
+fcvt_d_s        0000 00010001 10010 01001 ..... .....    @ff
+ftintrm_w_s     0000 00010001 10100 00001 ..... .....    @ff
+ftintrm_w_d     0000 00010001 10100 00010 ..... .....    @ff
+ftintrm_l_s     0000 00010001 10100 01001 ..... .....    @ff
+ftintrm_l_d     0000 00010001 10100 01010 ..... .....    @ff
+ftintrp_w_s     0000 00010001 10100 10001 ..... .....    @ff
+ftintrp_w_d     0000 00010001 10100 10010 ..... .....    @ff
+ftintrp_l_s     0000 00010001 10100 11001 ..... .....    @ff
+ftintrp_l_d     0000 00010001 10100 11010 ..... .....    @ff
+ftintrz_w_s     0000 00010001 10101 00001 ..... .....    @ff
+ftintrz_w_d     0000 00010001 10101 00010 ..... .....    @ff
+ftintrz_l_s     0000 00010001 10101 01001 ..... .....    @ff
+ftintrz_l_d     0000 00010001 10101 01010 ..... .....    @ff
+ftintrne_w_s    0000 00010001 10101 10001 ..... .....    @ff
+ftintrne_w_d    0000 00010001 10101 10010 ..... .....    @ff
+ftintrne_l_s    0000 00010001 10101 11001 ..... .....    @ff
+ftintrne_l_d    0000 00010001 10101 11010 ..... .....    @ff
+ftint_w_s       0000 00010001 10110 00001 ..... .....    @ff
+ftint_w_d       0000 00010001 10110 00010 ..... .....    @ff
+ftint_l_s       0000 00010001 10110 01001 ..... .....    @ff
+ftint_l_d       0000 00010001 10110 01010 ..... .....    @ff
+ffint_s_w       0000 00010001 11010 00100 ..... .....    @ff
+ffint_s_l       0000 00010001 11010 00110 ..... .....    @ff
+ffint_d_w       0000 00010001 11010 01000 ..... .....    @ff
+ffint_d_l       0000 00010001 11010 01010 ..... .....    @ff
+frint_s         0000 00010001 11100 10001 ..... .....    @ff
+frint_d         0000 00010001 11100 10010 ..... .....    @ff
diff --git a/target/loongarch/translate.c b/target/loongarch/translate.c
index fd43e1b..8da4e12 100644
--- a/target/loongarch/translate.c
+++ b/target/loongarch/translate.c
@@ -192,6 +192,7 @@ static void gen_set_gpr(int reg_num, TCGv t, DisasExtend dst_ext)
 #include "insn_trans/trans_extra.c.inc"
 #include "insn_trans/trans_farith.c.inc"
 #include "insn_trans/trans_fcmp.c.inc"
+#include "insn_trans/trans_fcnv.c.inc"
 
 static void loongarch_tr_translate_insn(DisasContextBase *dcbase, CPUState *cs)
 {
-- 
1.8.3.1