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s390x/tcg: Implement VECTOR LOAD AND REPLICATE

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We can use tcg_gen_gvec_dup_i64() to carry out the duplication.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20190307121539.12842-9-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
David Hildenbrand 2019-03-07 13:15:15 +01:00 committed by Cornelia Huck
parent b4f5ae47d8
commit 79c1620aea
2 changed files with 21 additions and 0 deletions
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2
target/s390x/insn-data.def
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@ -984,6 +984,8 @@
/* VECTOR LOAD */
F(0xe706, VL, VRX, V, la2, 0, 0, 0, vl, 0, IF_VEC)
F(0xe756, VLR, VRR_a, V, 0, 0, 0, 0, vlr, 0, IF_VEC)
/* VECTOR LOAD AND REPLICATE */
F(0xe705, VLREP, VRX, V, la2, 0, 0, 0, vlrep, 0, IF_VEC)
#ifndef CONFIG_USER_ONLY
/* COMPARE AND SWAP AND PURGE */

19
target/s390x/translate_vx.inc.c
View File

@ -113,6 +113,8 @@ static void write_vec_element_i64(TCGv_i64 src, int reg, uint8_t enr,
}
}
#define gen_gvec_dup_i64(es, v1, c) \
tcg_gen_gvec_dup_i64(es, vec_full_reg_offset(v1), 16, 16, c)
#define gen_gvec_mov(v1, v2) \
tcg_gen_gvec_mov(0, vec_full_reg_offset(v1), vec_full_reg_offset(v2), 16, \
16)
@ -243,3 +245,20 @@ static DisasJumpType op_vlr(DisasContext *s, DisasOps *o)
gen_gvec_mov(get_field(s->fields, v1), get_field(s->fields, v2));
return DISAS_NEXT;
}
static DisasJumpType op_vlrep(DisasContext *s, DisasOps *o)
{
const uint8_t es = get_field(s->fields, m3);
TCGv_i64 tmp;
if (es > ES_64) {
gen_program_exception(s, PGM_SPECIFICATION);
return DISAS_NORETURN;
}
tmp = tcg_temp_new_i64();
tcg_gen_qemu_ld_i64(tmp, o->addr1, get_mem_index(s), MO_TE | es);
gen_gvec_dup_i64(es, get_field(s->fields, v1), tmp);
tcg_temp_free_i64(tmp);
return DISAS_NEXT;
}