s390x/tcg: Implement VECTOR REPLICATE IMMEDIATE

Like VECTOR REPLICATE, but the element to be replicated comes from an
immediate.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20190307121539.12842-24-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>

diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index 14e010765d224b2c6bd55e2dec1b4b0ef6992788..99fb697d914bac967bfa98a7669b2a09281c5cca 100644 (file)
--- a/target/s390x/insn-data.def
+++ b/target/s390x/insn-data.def
@@ -1025,6 +1025,8 @@
     F(0xe784, VPDI,    VRR_c, V,   0, 0, 0, 0, vpdi, 0, IF_VEC)
 /* VECTOR REPLICATE */
     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)
 
 #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 21bf2dc58ff90259bed24565ec4a49f3832354d0..b6061d7acfec7bef74a5b9c3f5807869e2120f26 100644 (file)
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -707,3 +707,17 @@ static DisasJumpType op_vrep(DisasContext *s, DisasOps *o)
                          16, 16);
     return DISAS_NEXT;
 }
+
+static DisasJumpType op_vrepi(DisasContext *s, DisasOps *o)
+{
+    const int64_t data = (int16_t)get_field(s->fields, i2);
+    const uint8_t es = get_field(s->fields, m3);
+
+    if (es > ES_64) {
+        gen_program_exception(s, PGM_SPECIFICATION);
+        return DISAS_NORETURN;
+    }
+
+    gen_gvec_dupi(es, get_field(s->fields, v1), data);
+    return DISAS_NEXT;
+}