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s390x/tcg: Implement VECTOR REPLICATE 

Replicate via the special gvec helper.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20190307121539.12842-23-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
David Hildenbrand 2019-03-07 13:15:29 +01:00 committed by Cornelia Huck
parent 66bb3333bc
commit 28d08731b1
2 changed files with 18 additions and 0 deletions
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2
target/s390x/insn-data.def
View File

@ -1023,6 +1023,8 @@
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)
/* VECTOR REPLICATE */
F(0xe74d, VREP, VRI_c, V, 0, 0, 0, 0, vrep, 0, IF_VEC)
#ifndef CONFIG_USER_ONLY
/* COMPARE AND SWAP AND PURGE */

16
target/s390x/translate_vx.inc.c
View File

@ -691,3 +691,19 @@ static DisasJumpType op_vpdi(DisasContext *s, DisasOps *o)
tcg_temp_free_i64(t1);
return DISAS_NEXT;
}
static DisasJumpType op_vrep(DisasContext *s, DisasOps *o)
{
const uint8_t enr = get_field(s->fields, i2);
const uint8_t es = get_field(s->fields, m4);
if (es > ES_64 || !valid_vec_element(enr, es)) {
gen_program_exception(s, PGM_SPECIFICATION);
return DISAS_NORETURN;
}
tcg_gen_gvec_dup_mem(es, vec_full_reg_offset(get_field(s->fields, v1)),
vec_reg_offset(get_field(s->fields, v3), enr, es),
16, 16);
return DISAS_NEXT;
}