From 4b664394638b71935d953a8c33c1403e8d03a14b Mon Sep 17 00:00:00 2001 From: David Hildenbrand Date: Thu, 7 Mar 2019 13:15:16 +0100 Subject: [PATCH] s390x/tcg: Implement VECTOR LOAD ELEMENT Fairly easy, load with desired size and store it into the right element. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand Message-Id: <20190307121539.12842-10-david@redhat.com> Signed-off-by: Cornelia Huck --- target/s390x/insn-data.def | 5 +++++ target/s390x/translate_vx.inc.c | 18 ++++++++++++++++++ 2 files changed, 23 insertions(+) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 7be8977989..aec0a3ba97 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -986,6 +986,11 @@ F(0xe756, VLR, VRR_a, V, 0, 0, 0, 0, vlr, 0, IF_VEC) /* VECTOR LOAD AND REPLICATE */ F(0xe705, VLREP, VRX, V, la2, 0, 0, 0, vlrep, 0, IF_VEC) +/* VECTOR LOAD ELEMENT */ + E(0xe700, VLEB, VRX, V, la2, 0, 0, 0, vle, 0, ES_8, IF_VEC) + E(0xe701, VLEH, VRX, V, la2, 0, 0, 0, vle, 0, ES_16, IF_VEC) + E(0xe703, VLEF, VRX, V, la2, 0, 0, 0, vle, 0, ES_32, IF_VEC) + E(0xe702, VLEG, VRX, V, la2, 0, 0, 0, vle, 0, ES_64, IF_VEC) #ifndef CONFIG_USER_ONLY /* COMPARE AND SWAP AND PURGE */ diff --git a/target/s390x/translate_vx.inc.c b/target/s390x/translate_vx.inc.c index ede4cc4f6d..9134324aa8 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -262,3 +262,21 @@ static DisasJumpType op_vlrep(DisasContext *s, DisasOps *o) tcg_temp_free_i64(tmp); return DISAS_NEXT; } + +static DisasJumpType op_vle(DisasContext *s, DisasOps *o) +{ + const uint8_t es = s->insn->data; + const uint8_t enr = get_field(s->fields, m3); + TCGv_i64 tmp; + + if (!valid_vec_element(enr, es)) { + gen_program_exception(s, PGM_SPECIFICATION); + return DISAS_NORETURN; + } + + tmp = tcg_temp_new_i64(); + tcg_gen_qemu_ld_i64(tmp, o->addr1, get_mem_index(s), MO_TE | es); + write_vec_element_i64(tmp, get_field(s->fields, v1), enr, es); + tcg_temp_free_i64(tmp); + return DISAS_NEXT; +}