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s390x/tcg: Implement VECTOR MULTIPLY SUM LOGICAL

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Fortunately, we only need the Doubleword implementation.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20210608092337.12221-13-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
David Hildenbrand 2021-06-08 11:23:23 +02:00 committed by Cornelia Huck
parent 2a785dfb50
commit 8c18fa5b3e
2 changed files with 52 additions and 0 deletions
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2
target/s390x/insn-data.def
View File

@ -1151,6 +1151,8 @@
F(0xe7a7, VMO, VRR_c, V, 0, 0, 0, 0, vm, 0, IF_VEC)
/* VECTOR MULTIPLY LOGICAL ODD */
F(0xe7a5, VMLO, VRR_c, V, 0, 0, 0, 0, vm, 0, IF_VEC)
/* VECTOR MULTIPLY SUM LOGICAL */
F(0xe7b8, VMSL, VRR_d, VE, 0, 0, 0, 0, vmsl, 0, IF_VEC)
/* VECTOR NAND */
F(0xe76e, VNN, VRR_c, VE, 0, 0, 0, 0, vnn, 0, IF_VEC)
/* VECTOR NOR */

50
target/s390x/translate_vx.c.inc
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@ -1779,6 +1779,56 @@ static DisasJumpType op_vm(DisasContext *s, DisasOps *o)
return DISAS_NEXT;
}
static DisasJumpType op_vmsl(DisasContext *s, DisasOps *o)
{
TCGv_i64 l1, h1, l2, h2;
if (get_field(s, m4) != ES_64) {
gen_program_exception(s, PGM_SPECIFICATION);
return DISAS_NORETURN;
}
l1 = tcg_temp_new_i64();
h1 = tcg_temp_new_i64();
l2 = tcg_temp_new_i64();
h2 = tcg_temp_new_i64();
/* Multipy both even elements from v2 and v3 */
read_vec_element_i64(l1, get_field(s, v2), 0, ES_64);
read_vec_element_i64(h1, get_field(s, v3), 0, ES_64);
tcg_gen_mulu2_i64(l1, h1, l1, h1);
/* Shift result left by one (x2) if requested */
if (extract32(get_field(s, m6), 3, 1)) {
tcg_gen_add2_i64(l1, h1, l1, h1, l1, h1);
}
/* Multipy both odd elements from v2 and v3 */
read_vec_element_i64(l2, get_field(s, v2), 1, ES_64);
read_vec_element_i64(h2, get_field(s, v3), 1, ES_64);
tcg_gen_mulu2_i64(l2, h2, l2, h2);
/* Shift result left by one (x2) if requested */
if (extract32(get_field(s, m6), 2, 1)) {
tcg_gen_add2_i64(l2, h2, l2, h2, l2, h2);
}
/* Add both intermediate results */
tcg_gen_add2_i64(l1, h1, l1, h1, l2, h2);
/* Add whole v4 */
read_vec_element_i64(h2, get_field(s, v4), 0, ES_64);
read_vec_element_i64(l2, get_field(s, v4), 1, ES_64);
tcg_gen_add2_i64(l1, h1, l1, h1, l2, h2);
/* Store final result into v1. */
write_vec_element_i64(h1, get_field(s, v1), 0, ES_64);
write_vec_element_i64(l1, get_field(s, v1), 1, ES_64);
tcg_temp_free_i64(l1);
tcg_temp_free_i64(h1);
tcg_temp_free_i64(l2);
tcg_temp_free_i64(h2);
return DISAS_NEXT;
}
static DisasJumpType op_vnn(DisasContext *s, DisasOps *o)
{
gen_gvec_fn_3(nand, ES_8, get_field(s, v1),