diff --git a/target/arm/cpu-features.h b/target/arm/cpu-features.h index f85368a002..db1bdb4786 100644 --- a/target/arm/cpu-features.h +++ b/target/arm/cpu-features.h @@ -1595,6 +1595,11 @@ static inline bool isar_feature_aa64_sme_fa64(const ARMISARegisters *id) return FIELD_EX64_IDREG(id, ID_AA64SMFR0, FA64); } +static inline bool isar_feature_aa64_sme_lutv2(const ARMISARegisters *id) +{ + return FIELD_EX64_IDREG(id, ID_AA64SMFR0, LUTv2); +} + static inline bool isar_feature_aa64_sme2(const ARMISARegisters *id) { return FIELD_EX64_IDREG(id, ID_AA64SMFR0, SMEVER) != 0; diff --git a/target/arm/tcg/sme.decode b/target/arm/tcg/sme.decode index 2b9e41a75a..339de72b8a 100644 --- a/target/arm/tcg/sme.decode +++ b/target/arm/tcg/sme.decode @@ -141,6 +141,8 @@ MOVAZ_zt4 11000000 11 00011 0 v:1 .. 00110 za:3 zr:3 00 \ MOVT_rzt 1100 0000 0100 1100 0 off:3 00 11111 rt:5 MOVT_ztr 1100 0000 0100 1110 0 off:3 00 11111 rt:5 +MOVT_ztz 1100 0000 0100 1111 00 off:2 00 11111 rt:5 + ### SME Memory &ldst esz rs pg rn rm za off v:bool st:bool diff --git a/target/arm/tcg/translate-sme.c b/target/arm/tcg/translate-sme.c index 76bbacfb6e..c4bede2ae3 100644 --- a/target/arm/tcg/translate-sme.c +++ b/target/arm/tcg/translate-sme.c @@ -391,6 +391,24 @@ static bool do_movt(DisasContext *s, arg_MOVT_rzt *a, TRANS_FEAT(MOVT_rzt, aa64_sme2, do_movt, a, tcg_gen_ld_i64) TRANS_FEAT(MOVT_ztr, aa64_sme2, do_movt, a, tcg_gen_st_i64) +static bool trans_MOVT_ztz(DisasContext *s, arg_MOVT_ztz *a) +{ + if (!dc_isar_feature(aa64_sme_lutv2, s)) { + return false; + } + if (sme_sm_enabled_check(s) && sme2_zt0_enabled_check(s)) { + int svl = streaming_vec_reg_size(s); + int tsize = MIN(svl, 64); + int offset = (a->off % (64 / tsize)) * tsize; + + tcg_gen_gvec_mov(MO_64, + offsetof(CPUARMState, za_state.zt0) + offset, + vec_full_reg_offset(s, a->rt), tsize, + offset ? tsize : 64); + } + return true; +} + static bool trans_LDST1(DisasContext *s, arg_LDST1 *a) { typedef void GenLdSt1(TCGv_env, TCGv_ptr, TCGv_ptr, TCGv, TCGv_i64);