s390x/tcg: Implement VECTOR ELEMENT COMPARE *
Fairly easy to implement, we can make use of the existing CC helpers cmps64 and cmpu64 - we siply have to sign extend the elements. Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com>
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@ -1074,6 +1074,10 @@
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F(0xe7f0, VAVGL, VRR_c, V, 0, 0, 0, 0, vavgl, 0, IF_VEC)
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/* VECTOR CHECKSUM */
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F(0xe766, VCKSM, VRR_c, V, 0, 0, 0, 0, vcksm, 0, IF_VEC)
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/* VECTOR ELEMENT COMPARE */
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F(0xe7db, VEC, VRR_a, V, 0, 0, 0, 0, vec, cmps64, IF_VEC)
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/* VECTOR ELEMENT COMPARE LOGICAL */
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F(0xe7d9, VECL, VRR_a, V, 0, 0, 0, 0, vec, cmpu64, IF_VEC)
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#ifndef CONFIG_USER_ONLY
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/* COMPARE AND SWAP AND PURGE */
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@ -1369,3 +1369,23 @@ static DisasJumpType op_vcksm(DisasContext *s, DisasOps *o)
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tcg_temp_free_i32(sum);
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return DISAS_NEXT;
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}
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static DisasJumpType op_vec(DisasContext *s, DisasOps *o)
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{
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uint8_t es = get_field(s->fields, m3);
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const uint8_t enr = NUM_VEC_ELEMENTS(es) / 2 - 1;
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if (es > ES_64) {
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gen_program_exception(s, PGM_SPECIFICATION);
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return DISAS_NORETURN;
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}
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if (s->fields->op2 == 0xdb) {
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es |= MO_SIGN;
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}
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o->in1 = tcg_temp_new_i64();
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o->in2 = tcg_temp_new_i64();
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read_vec_element_i64(o->in1, get_field(s->fields, v1), enr, es);
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read_vec_element_i64(o->in2, get_field(s->fields, v2), enr, es);
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return DISAS_NEXT;
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}
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