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authorDavid Hildenbrand <david@redhat.com>2019-03-07 13:15:16 +0100
committerCornelia Huck <cohuck@redhat.com>2019-03-11 09:31:01 +0100
commit4b664394638b71935d953a8c33c1403e8d03a14b (patch)
tree014f081a806cc03d296e033cd1ea795bc5b66297
parent79c1620aeac0bddd0466c4baf217e77337319c9a (diff)
downloadqemu-4b664394638b71935d953a8c33c1403e8d03a14b.zip
s390x/tcg: Implement VECTOR LOAD ELEMENT
Fairly easy, load with desired size and store it into the right element. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20190307121539.12842-10-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
-rw-r--r--target/s390x/insn-data.def5
-rw-r--r--target/s390x/translate_vx.inc.c18
2 files changed, 23 insertions, 0 deletions
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;
+}