diff mbox series

[v2,23/32] s390x/tcg: Implement VECTOR REPLICATE IMMEDIATE

Message ID 20190301115413.27153-24-david@redhat.com (mailing list archive)
State New, archived
Headers show
Series s390x/tcg: Vector Instruction Support Part 1 | expand

Commit Message

David Hildenbrand March 1, 2019, 11:54 a.m. UTC 
Like VECTOR REPLICATE, but the element to be replicated comes from an
immediate.

Signed-off-by: David Hildenbrand <david@redhat.com>
---
 target/s390x/insn-data.def      |  2 ++
 target/s390x/translate_vx.inc.c | 14 ++++++++++++++
 2 files changed, 16 insertions(+)

Comments

Richard Henderson March 1, 2019, 5:35 p.m. UTC | #1 
On 3/1/19 3:54 AM, David Hildenbrand wrote:
> Like VECTOR REPLICATE, but the element to be replicated comes from an
> immediate.
> 
> Signed-off-by: David Hildenbrand <david@redhat.com>
> ---
>  target/s390x/insn-data.def      |  2 ++
>  target/s390x/translate_vx.inc.c | 14 ++++++++++++++
>  2 files changed, 16 insertions(+)

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>


r~
diff mbox series

Patch

diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def
index 14e010765d..99fb697d91 100644
--- 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 63bb37d0a1..9f065c0728 100644
--- a/target/s390x/translate_vx.inc.c
+++ b/target/s390x/translate_vx.inc.c
@@ -703,3 +703,17 @@  static DisasJumpType op_vrep(DisasContext *s, DisasOps *o)
     tcg_temp_free_i64(tmp);
     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;
+}