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s390x/tcg: Implement VECTOR PERMUTE DOUBLEWORD IMMEDIATE

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Read the whole input before modifying the destination vector.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20190307121539.12842-22-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
David Hildenbrand 2019-03-07 13:15:28 +01:00 committed by Cornelia Huck
parent 7aaf844d46
commit 66bb3333bc
2 changed files with 18 additions and 0 deletions
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2
target/s390x/insn-data.def
View file

@ -1021,6 +1021,8 @@
/* VECTOR PACK LOGICAL SATURATE */
F(0xe795, VPKLS, VRR_b, V, 0, 0, 0, 0, vpk, 0, IF_VEC)
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)
#ifndef CONFIG_USER_ONLY
/* COMPARE AND SWAP AND PURGE */

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

@ -675,3 +675,19 @@ static DisasJumpType op_vperm(DisasContext *s, DisasOps *o)
0, gen_helper_gvec_vperm);
return DISAS_NEXT;
}
static DisasJumpType op_vpdi(DisasContext *s, DisasOps *o)
{
const uint8_t i2 = extract32(get_field(s->fields, m4), 2, 1);
const uint8_t i3 = extract32(get_field(s->fields, m4), 0, 1);
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t1 = tcg_temp_new_i64();
read_vec_element_i64(t0, get_field(s->fields, v2), i2, ES_64);
read_vec_element_i64(t1, get_field(s->fields, v3), i3, ES_64);
write_vec_element_i64(t0, get_field(s->fields, v1), 0, ES_64);
write_vec_element_i64(t1, get_field(s->fields, v1), 1, ES_64);
tcg_temp_free_i64(t0);
tcg_temp_free_i64(t1);
return DISAS_NEXT;
}