Commit 79c1620a authored by David Hildenbrand's avatar David Hildenbrand Committed by Cornelia Huck
Browse files

s390x/tcg: Implement VECTOR LOAD AND REPLICATE 



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

Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
Message-Id: <20190307121539.12842-9-david@redhat.com>
Signed-off-by: default avatarCornelia Huck <cohuck@redhat.com>
parent b4f5ae47

target/s390x/insn-data.def

+2 −0
Original line number Diff line number Diff line
@@ -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 */

target/s390x/translate_vx.inc.c

+19 −0
Original line number Diff line number Diff line
@@ -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;

}