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

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

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
This commit is contained in:
David Hildenbrand 2019-04-11 11:49:12 +02:00
parent 35f0ba5fe1
commit 86f521b601
2 changed files with 39 additions and 0 deletions
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8
target/s390x/insn-data.def
View File

@ -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 */

31
target/s390x/translate_vx.inc.c
View File

@ -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;
}