Commit 8112274f authored by David Hildenbrand's avatar David Hildenbrand
Browse files

s390x/tcg: Implement VECTOR SHIFT RIGHT LOGICAL * 



Similar to VECTOR SHIFT RIGHT ARITHMETICAL.

Reviewed-by: default avatarRichard Henderson <richard.henderson@linaro.org>
Signed-off-by: default avatarDavid Hildenbrand <david@redhat.com>
parent 5f724887

target/s390x/helper.h

+1 −0
Original line number Diff line number Diff line
@@ -206,6 +206,7 @@ DEF_HELPER_FLAGS_4(gvec_verim8, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32) 
DEF_HELPER_FLAGS_4(gvec_verim16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)

DEF_HELPER_FLAGS_4(gvec_vsl, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32)

DEF_HELPER_FLAGS_4(gvec_vsra, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32)

DEF_HELPER_FLAGS_4(gvec_vsrl, TCG_CALL_NO_RWG, void, ptr, cptr, i64, i32)



#ifndef CONFIG_USER_ONLY

DEF_HELPER_3(servc, i32, env, i64, i64)

target/s390x/insn-data.def

+4 −0
Original line number Diff line number Diff line
@@ -1170,6 +1170,10 @@ 
    F(0xe77e, VSRA,    VRR_c, V,   0, 0, 0, 0, vsra, 0, IF_VEC)

/* VECTOR SHIFT RIGHT ARITHMETIC BY BYTE */

    F(0xe77f, VSRAB,   VRR_c, V,   0, 0, 0, 0, vsra, 0, IF_VEC)

/* VECTOR SHIFT RIGHT LOGICAL */

    F(0xe77c, VSRL,    VRR_c, V,   0, 0, 0, 0, vsrl, 0, IF_VEC)

/* VECTOR SHIFT RIGHT LOGICAL BY BYTE */

    F(0xe77d, VSRLB,   VRR_c, V,   0, 0, 0, 0, vsrl, 0, IF_VEC)



#ifndef CONFIG_USER_ONLY

/* COMPARE AND SWAP AND PURGE */

target/s390x/translate_vx.inc.c

+17 −0
Original line number Diff line number Diff line
@@ -2106,3 +2106,20 @@ static DisasJumpType op_vsra(DisasContext *s, DisasOps *o) 
    tcg_temp_free_i64(shift);

    return DISAS_NEXT;

}



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

{

    TCGv_i64 shift = tcg_temp_new_i64();



    read_vec_element_i64(shift, get_field(s->fields, v3), 7, ES_8);

    if (s->fields->op2 == 0x7c) {

        tcg_gen_andi_i64(shift, shift, 0x7);

    } else {

        tcg_gen_andi_i64(shift, shift, 0x78);

    }



    gen_gvec_2i_ool(get_field(s->fields, v1), get_field(s->fields, v2),

                    shift, 0, gen_helper_gvec_vsrl);

    tcg_temp_free_i64(shift);

    return DISAS_NEXT;

}

target/s390x/vec_int_helper.c

+6 −0
Original line number Diff line number Diff line
@@ -561,3 +561,9 @@ void HELPER(gvec_vsra)(void *v1, const void *v2, uint64_t count, 
{

    s390_vec_sar(v1, v2, count);

}



void HELPER(gvec_vsrl)(void *v1, const void *v2, uint64_t count,

                       uint32_t desc)

{

    s390_vec_shr(v1, v2, count);

}