From: David Hildenbrand Date: Thu, 7 Mar 2019 12:15:31 +0000 (+0100) Subject: s390x/tcg: Implement VECTOR SCATTER ELEMENT X-Git-Tag: v4.0.0-rc0~38^2~8 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=7007ec27a9f731d3012dfedf639d8cb469c631bb;p=thirdparty%2Fqemu.git s390x/tcg: Implement VECTOR SCATTER ELEMENT Similar to VECTOR GATHER ELEMENT, but the other direction. Reviewed-by: Richard Henderson Signed-off-by: David Hildenbrand Message-Id: <20190307121539.12842-25-david@redhat.com> Signed-off-by: Cornelia Huck --- diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 99fb697d914..8d7c834e7d4 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -1027,6 +1027,9 @@ F(0xe74d, VREP, VRI_c, V, 0, 0, 0, 0, vrep, 0, IF_VEC) /* VECTOR REPLICATE IMMEDIATE */ F(0xe745, VREPI, VRI_a, V, 0, 0, 0, 0, vrepi, 0, IF_VEC) +/* VECTOR SCATTER ELEMENT */ + E(0xe71b, VSCEF, VRV, V, la2, 0, 0, 0, vsce, 0, ES_32, IF_VEC) + E(0xe71a, VSCEG, VRV, V, la2, 0, 0, 0, vsce, 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 b6061d7acfe..cd8c173b36e 100644 --- a/target/s390x/translate_vx.inc.c +++ b/target/s390x/translate_vx.inc.c @@ -721,3 +721,25 @@ static DisasJumpType op_vrepi(DisasContext *s, DisasOps *o) gen_gvec_dupi(es, get_field(s->fields, v1), data); return DISAS_NEXT; } + +static DisasJumpType op_vsce(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(); + read_vec_element_i64(tmp, get_field(s->fields, v2), enr, es); + tcg_gen_add_i64(o->addr1, o->addr1, tmp); + gen_addi_and_wrap_i64(s, o->addr1, o->addr1, 0); + + read_vec_element_i64(tmp, get_field(s->fields, v1), enr, es); + tcg_gen_qemu_st_i64(tmp, o->addr1, get_mem_index(s), MO_TE | es); + tcg_temp_free_i64(tmp); + return DISAS_NEXT; +}