summaryrefslogtreecommitdiffstats
path: root/target/s390x
diff options
context:
space:
mode:
authorDavid Hildenbrand2019-03-07 13:15:28 +0100
committerCornelia Huck2019-03-11 09:31:01 +0100
commit66bb3333bc5c657be96d4dd3172d7efa9398a401 (patch)
treee42ab2128a4423103588dfdebcedf98fa6fba65b /target/s390x
parents390x/tcg: Implement VECTOR PERMUTE (diff)
downloadqemu-66bb3333bc5c657be96d4dd3172d7efa9398a401.tar.gz
qemu-66bb3333bc5c657be96d4dd3172d7efa9398a401.tar.xz
qemu-66bb3333bc5c657be96d4dd3172d7efa9398a401.zip
s390x/tcg: Implement VECTOR PERMUTE DOUBLEWORD IMMEDIATE
Read the whole input before modifying the destination vector. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20190307121539.12842-22-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
Diffstat (limited to 'target/s390x')
-rw-r--r--target/s390x/insn-data.def2
-rw-r--r--target/s390x/translate_vx.inc.c16
2 files changed, 18 insertions, 0 deletions
diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index 5f77462bb1..7314ae4704 100644
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -1021,6 +1021,8 @@
/* VECTOR PACK LOGICAL SATURATE */
F(0xe795, VPKLS, VRR_b, V, 0, 0, 0, 0, vpk, 0, IF_VEC)
F(0xe78c, VPERM, VRR_e, V, 0, 0, 0, 0, vperm, 0, IF_VEC)
+/* VECTOR PERMUTE DOUBLEWORD IMMEDIATE */
+ F(0xe784, VPDI, VRR_c, V, 0, 0, 0, 0, vpdi, 0, 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 d8cf4360cf..b23955b848 100644
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -675,3 +675,19 @@ static DisasJumpType op_vperm(DisasContext *s, DisasOps *o)
0, gen_helper_gvec_vperm);
return DISAS_NEXT;
}
+
+static DisasJumpType op_vpdi(DisasContext *s, DisasOps *o)
+{
+ const uint8_t i2 = extract32(get_field(s->fields, m4), 2, 1);
+ const uint8_t i3 = extract32(get_field(s->fields, m4), 0, 1);
+ TCGv_i64 t0 = tcg_temp_new_i64();
+ TCGv_i64 t1 = tcg_temp_new_i64();
+
+ read_vec_element_i64(t0, get_field(s->fields, v2), i2, ES_64);
+ read_vec_element_i64(t1, get_field(s->fields, v3), i3, ES_64);
+ write_vec_element_i64(t0, get_field(s->fields, v1), 0, ES_64);
+ write_vec_element_i64(t1, get_field(s->fields, v1), 1, ES_64);
+ tcg_temp_free_i64(t0);
+ tcg_temp_free_i64(t1);
+ return DISAS_NEXT;
+}