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s390x/tcg: Implement VECTOR STORE ELEMENT

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As we only store one element, there is nothing to consider regarding
exceptions.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20190307121539.12842-30-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
David Hildenbrand 2019-03-07 13:15:36 +01:00 committed by Cornelia Huck
parent 15e12add0b
commit 7b9a236ea7
2 changed files with 23 additions and 0 deletions
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5
target/s390x/insn-data.def
View File

@ -1036,6 +1036,11 @@
F(0xe75f, VSEG, VRR_a, V, 0, 0, 0, 0, vseg, 0, IF_VEC)
/* VECTOR STORE */
F(0xe70e, VST, VRX, V, la2, 0, 0, 0, vst, 0, IF_VEC)
/* VECTOR STORE ELEMENT */
E(0xe708, VSTEB, VRX, V, la2, 0, 0, 0, vste, 0, ES_8, IF_VEC)
E(0xe709, VSTEH, VRX, V, la2, 0, 0, 0, vste, 0, ES_16, IF_VEC)
E(0xe70b, VSTEF, VRX, V, la2, 0, 0, 0, vste, 0, ES_32, IF_VEC)
E(0xe70a, VSTEG, VRX, V, la2, 0, 0, 0, vste, 0, ES_64, IF_VEC)
#ifndef CONFIG_USER_ONLY
/* COMPARE AND SWAP AND PURGE */

18
target/s390x/translate_vx.inc.c
View File

@ -834,3 +834,21 @@ static DisasJumpType op_vst(DisasContext *s, DisasOps *o)
tcg_temp_free_i64(tmp);
return DISAS_NEXT;
}
static DisasJumpType op_vste(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();
read_vec_element_i64(tmp, get_field(s->fields, v1), enr, es);
tcg_gen_qemu_st_i64(tmp, o->addr1, get_mem_index(s), MO_TE | es);
tcg_temp_free_i64(tmp);
return DISAS_NEXT;
}