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s390x/tcg: Implement VECTOR LOAD ELEMENT IMMEDIATE

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Take care of properly sign-extending the immediate.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20190307121539.12842-11-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
David Hildenbrand 2019-03-07 13:15:17 +01:00 committed by Cornelia Huck
parent 4b66439463
commit e6790d3211
2 changed files with 22 additions and 0 deletions
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5
target/s390x/insn-data.def
View File

@ -991,6 +991,11 @@
E(0xe701, VLEH, VRX, V, la2, 0, 0, 0, vle, 0, ES_16, IF_VEC)
E(0xe703, VLEF, VRX, V, la2, 0, 0, 0, vle, 0, ES_32, IF_VEC)
E(0xe702, VLEG, VRX, V, la2, 0, 0, 0, vle, 0, ES_64, IF_VEC)
/* VECTOR LOAD ELEMENT IMMEDIATE */
E(0xe740, VLEIB, VRI_a, V, 0, 0, 0, 0, vlei, 0, ES_8, IF_VEC)
E(0xe741, VLEIH, VRI_a, V, 0, 0, 0, 0, vlei, 0, ES_16, IF_VEC)
E(0xe743, VLEIF, VRI_a, V, 0, 0, 0, 0, vlei, 0, ES_32, IF_VEC)
E(0xe742, VLEIG, VRI_a, V, 0, 0, 0, 0, vlei, 0, ES_64, IF_VEC)
#ifndef CONFIG_USER_ONLY
/* COMPARE AND SWAP AND PURGE */

17
target/s390x/translate_vx.inc.c
View File

@ -280,3 +280,20 @@ static DisasJumpType op_vle(DisasContext *s, DisasOps *o)
tcg_temp_free_i64(tmp);
return DISAS_NEXT;
}
static DisasJumpType op_vlei(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_const_i64((int16_t)get_field(s->fields, i2));
write_vec_element_i64(tmp, get_field(s->fields, v1), enr, es);
tcg_temp_free_i64(tmp);
return DISAS_NEXT;
}