Commit 4b664394 authored by David Hildenbrand's avatar David Hildenbrand Committed by Cornelia Huck
Browse files

s390x/tcg: Implement VECTOR LOAD ELEMENT 



Fairly easy, load with desired size and store it into the right element.

Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
Message-Id: <20190307121539.12842-10-david@redhat.com>
Signed-off-by: default avatarCornelia Huck <cohuck@redhat.com>
parent 79c1620a

target/s390x/insn-data.def

+5 −0
Original line number Diff line number Diff line
@@ -986,6 +986,11 @@ 
    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)

/* VECTOR LOAD ELEMENT */

    E(0xe700, VLEB,    VRX,   V,   la2, 0, 0, 0, vle, 0, ES_8, IF_VEC)

    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)



#ifndef CONFIG_USER_ONLY

/* COMPARE AND SWAP AND PURGE */

target/s390x/translate_vx.inc.c

+18 −0
Original line number Diff line number Diff line
@@ -262,3 +262,21 @@ static DisasJumpType op_vlrep(DisasContext *s, DisasOps *o) 
    tcg_temp_free_i64(tmp);

    return DISAS_NEXT;

}



static DisasJumpType op_vle(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();

    tcg_gen_qemu_ld_i64(tmp, o->addr1, get_mem_index(s), MO_TE | es);

    write_vec_element_i64(tmp, get_field(s->fields, v1), enr, es);

    tcg_temp_free_i64(tmp);

    return DISAS_NEXT;

}