Commit 86f521b6 authored by David Hildenbrand's avatar David Hildenbrand
Browse files

s390x/tcg: Implement VECTOR (MAXIMUM|MINIMUM) (LOGICAL) 



Luckily, we already have gvec helpers for all four cases.

Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
parent 35f0ba5f

target/s390x/insn-data.def

+8 −0
Original line number Diff line number Diff line
@@ -1098,6 +1098,14 @@ 
    F(0xe7de, VLC,     VRR_a, V,   0, 0, 0, 0, vlc, 0, IF_VEC)

/* VECTOR LOAD POSITIVE */

    F(0xe7df, VLP,     VRR_a, V,   0, 0, 0, 0, vlp, 0, IF_VEC)

/* VECTOR MAXIMUM */

    F(0xe7ff, VMX,     VRR_c, V,   0, 0, 0, 0, vmx, 0, IF_VEC)

/* VECTOR MAXIMUM LOGICAL */

    F(0xe7fd, VMXL,    VRR_c, V,   0, 0, 0, 0, vmx, 0, IF_VEC)

/* VECTOR MINIMUM */

    F(0xe7fe, VMN,     VRR_c, V,   0, 0, 0, 0, vmx, 0, IF_VEC)

/* VECTOR MINIMUM LOGICAL */

    F(0xe7fc, VMNL,    VRR_c, V,   0, 0, 0, 0, vmx, 0, IF_VEC)



#ifndef CONFIG_USER_ONLY

/* COMPARE AND SWAP AND PURGE */

target/s390x/translate_vx.inc.c

+31 −0
Original line number Diff line number Diff line
@@ -1550,3 +1550,34 @@ static DisasJumpType op_vlp(DisasContext *s, DisasOps *o) 
    gen_gvec_fn_2(abs, es, get_field(s->fields, v1), get_field(s->fields, v2));

    return DISAS_NEXT;

}



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

{

    const uint8_t v1 = get_field(s->fields, v1);

    const uint8_t v2 = get_field(s->fields, v2);

    const uint8_t v3 = get_field(s->fields, v3);

    const uint8_t es = get_field(s->fields, m4);



    if (es > ES_64) {

        gen_program_exception(s, PGM_SPECIFICATION);

        return DISAS_NORETURN;

    }



    switch (s->fields->op2) {

    case 0xff:

        gen_gvec_fn_3(smax, es, v1, v2, v3);

        break;

    case 0xfd:

        gen_gvec_fn_3(umax, es, v1, v2, v3);

        break;

    case 0xfe:

        gen_gvec_fn_3(smin, es, v1, v2, v3);

        break;

    case 0xfc:

        gen_gvec_fn_3(umin, es, v1, v2, v3);

        break;

    default:

        g_assert_not_reached();

    }

    return DISAS_NEXT;

}