Commit 53e0ca22 authored by David Hildenbrand's avatar David Hildenbrand
Browse files

s390x/tcg: Implement VECTOR LOAD COMPLEMENT 



We can reuse an existing gvec helper for negating the values.

Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
parent 697a45d6

target/s390x/insn-data.def

+2 −0
Original line number Diff line number Diff line
@@ -1094,6 +1094,8 @@ 
    F(0xe7b4, VGFM,    VRR_c, V,   0, 0, 0, 0, vgfm, 0, IF_VEC)

/* VECTOR GALOIS FIELD MULTIPLY SUM AND ACCUMULATE */

    F(0xe7bc, VGFMA,   VRR_d, V,   0, 0, 0, 0, vgfma, 0, IF_VEC)

/* VECTOR LOAD COMPLEMENT */

    F(0xe7de, VLC,     VRR_a, V,   0, 0, 0, 0, vlc, 0, IF_VEC)



#ifndef CONFIG_USER_ONLY

/* COMPARE AND SWAP AND PURGE */

target/s390x/translate_vx.inc.c

+16 −0
Original line number Diff line number Diff line
@@ -209,6 +209,9 @@ static void get_vec_element_ptr_i64(TCGv_ptr ptr, uint8_t reg, TCGv_i64 enr, 
                     16)

#define gen_gvec_dup64i(v1, c) \

    tcg_gen_gvec_dup64i(vec_full_reg_offset(v1), 16, 16, c)

#define gen_gvec_fn_2(fn, es, v1, v2) \

    tcg_gen_gvec_##fn(es, vec_full_reg_offset(v1), vec_full_reg_offset(v2), \

                      16, 16)

#define gen_gvec_fn_3(fn, es, v1, v2, v3) \

    tcg_gen_gvec_##fn(es, vec_full_reg_offset(v1), vec_full_reg_offset(v2), \

                      vec_full_reg_offset(v3), 16, 16)
@@ -1521,3 +1524,16 @@ static DisasJumpType op_vgfma(DisasContext *s, DisasOps *o) 
               get_field(s->fields, v3), get_field(s->fields, v4), &g[es]);

    return DISAS_NEXT;

}



static DisasJumpType op_vlc(DisasContext *s, DisasOps *o)

{

    const uint8_t es = get_field(s->fields, m3);



    if (es > ES_64) {

        gen_program_exception(s, PGM_SPECIFICATION);

        return DISAS_NORETURN;

    }



    gen_gvec_fn_2(neg, es, get_field(s->fields, v1), get_field(s->fields, v2));

    return DISAS_NEXT;

}