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https://github.com/xemu-project/xemu.git
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target/loongarch: Add floating point conversion instruction translation
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>
Message-Id: <20220606124333.2060567-13-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
This commit is contained in:
Song Gao
Richard Henderson
parent
9b7410763a
commit
7c1f88703d
@ -461,3 +461,396 @@ uint64_t helper_fcmp_s_d(CPULoongArchState *env, uint64_t fj,
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FloatRelation cmp = float64_compare(fj, fk, &env->fp_status);
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return fcmp_common(env, cmp, flags);
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}
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/* floating point conversion */
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uint64_t helper_fcvt_s_d(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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fd = nanbox_s(float64_to_float32(fj, &env->fp_status));
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_fcvt_d_s(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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fd = float32_to_float64((uint32_t)fj, &env->fp_status);
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ffint_s_w(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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fd = nanbox_s(int32_to_float32((int32_t)fj, &env->fp_status));
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ffint_s_l(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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fd = nanbox_s(int64_to_float32(fj, &env->fp_status));
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ffint_d_w(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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fd = int32_to_float64((int32_t)fj, &env->fp_status);
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ffint_d_l(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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fd = int64_to_float64(fj, &env->fp_status);
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_frint_s(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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fd = (uint64_t)(float32_round_to_int((uint32_t)fj, &env->fp_status));
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_frint_d(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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fd = float64_round_to_int(fj, &env->fp_status);
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftintrm_l_d(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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set_float_rounding_mode(float_round_down, &env->fp_status);
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fd = float64_to_int64(fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT64_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftintrm_l_s(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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set_float_rounding_mode(float_round_down, &env->fp_status);
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fd = float32_to_int64((uint32_t)fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT64_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftintrm_w_d(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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set_float_rounding_mode(float_round_down, &env->fp_status);
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fd = (uint64_t)float64_to_int32(fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT32_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftintrm_w_s(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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set_float_rounding_mode(float_round_down, &env->fp_status);
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fd = (uint64_t)float32_to_int32((uint32_t)fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT32_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftintrp_l_d(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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set_float_rounding_mode(float_round_up, &env->fp_status);
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fd = float64_to_int64(fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT64_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftintrp_l_s(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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set_float_rounding_mode(float_round_up, &env->fp_status);
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fd = float32_to_int64((uint32_t)fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT64_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftintrp_w_d(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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set_float_rounding_mode(float_round_up, &env->fp_status);
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fd = (uint64_t)float64_to_int32(fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT32_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftintrp_w_s(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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set_float_rounding_mode(float_round_up, &env->fp_status);
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fd = (uint64_t)float32_to_int32((uint32_t)fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT32_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftintrz_l_d(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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fd = float64_to_int64_round_to_zero(fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT64_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftintrz_l_s(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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fd = float32_to_int64_round_to_zero((uint32_t)fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT64_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftintrz_w_d(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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fd = (uint64_t)float64_to_int32_round_to_zero(fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT32_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftintrz_w_s(CPULoongArchState *env, uint64_t fj)
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{
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uint32_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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fd = float32_to_int32_round_to_zero((uint32_t)fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT32_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return (uint64_t)fd;
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}
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uint64_t helper_ftintrne_l_d(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
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fd = float64_to_int64(fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT64_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftintrne_l_s(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
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fd = float32_to_int64((uint32_t)fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT64_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftintrne_w_d(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
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fd = (uint64_t)float64_to_int32(fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT32_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftintrne_w_s(CPULoongArchState *env, uint64_t fj)
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{
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uint32_t fd;
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FloatRoundMode old_mode = get_float_rounding_mode(&env->fp_status);
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set_float_rounding_mode(float_round_nearest_even, &env->fp_status);
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fd = float32_to_int32((uint32_t)fj, &env->fp_status);
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set_float_rounding_mode(old_mode, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT32_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return (uint64_t)fd;
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}
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uint64_t helper_ftint_l_d(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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fd = float64_to_int64(fj, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT64_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftint_l_s(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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fd = float32_to_int64((uint32_t)fj, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status) &
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(float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT64_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftint_w_s(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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fd = (uint64_t)float32_to_int32((uint32_t)fj, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status)
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& (float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT32_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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uint64_t helper_ftint_w_d(CPULoongArchState *env, uint64_t fj)
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{
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uint64_t fd;
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fd = (uint64_t)float64_to_int32(fj, &env->fp_status);
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if (get_float_exception_flags(&env->fp_status)
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& (float_flag_invalid | float_flag_overflow)) {
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fd = FLOAT_TO_INT32_OVERFLOW;
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}
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update_fcsr0(env, GETPC());
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return fd;
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}
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@ -61,3 +61,32 @@ DEF_HELPER_4(fcmp_s_s, i64, env, i64, i64, i32)
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DEF_HELPER_4(fcmp_c_d, i64, env, i64, i64, i32)
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/* fcmp.sXXX.d */
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DEF_HELPER_4(fcmp_s_d, i64, env, i64, i64, i32)
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DEF_HELPER_2(fcvt_d_s, i64, env, i64)
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DEF_HELPER_2(fcvt_s_d, i64, env, i64)
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DEF_HELPER_2(ffint_d_w, i64, env, i64)
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DEF_HELPER_2(ffint_d_l, i64, env, i64)
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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)
|
||||
|
||||
33
target/loongarch/insn_trans/trans_fcnv.c.inc
Normal file
33
target/loongarch/insn_trans/trans_fcnv.c.inc
Normal file
@ -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)
|
||||
@ -316,3 +316,35 @@ 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
|
||||
|
||||
@ -168,6 +168,7 @@ 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)
|
||||
{
|
||||
|
||||
Loading…
Reference in New Issue
Block a user