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target/s390x: vxeh2: vector {load, store} elements reversed

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Signed-off-by: David Miller <dmiller423@gmail.com>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: David Hildenbrand <david@redhat.com>
Tested-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: David Hildenbrand <david@redhat.com>
Message-Id: <20220428094708.84835-10-david@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
This commit is contained in:
David Miller 2022-04-28 11:47:04 +02:00 committed by Thomas Huth
parent ed9ce86952
commit 1d26a02af0
2 changed files with 88 additions and 0 deletions
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4
target/s390x/tcg/insn-data.def
View File

@ -1037,6 +1037,8 @@
E(0xe741, VLEIH, VRI_a, V, 0, 0, 0, 0, vlei, 0, ES_16, IF_VEC)
E(0xe743, VLEIF, VRI_a, V, 0, 0, 0, 0, vlei, 0, ES_32, IF_VEC)
E(0xe742, VLEIG, VRI_a, V, 0, 0, 0, 0, vlei, 0, ES_64, IF_VEC)
/* VECTOR LOAD ELEMENTS REVERSED */
F(0xe607, VLER, VRX, VE2, la2, 0, 0, 0, vler, 0, IF_VEC)
/* VECTOR LOAD GR FROM VR ELEMENT */
F(0xe721, VLGV, VRS_c, V, la2, 0, r1, 0, vlgv, 0, IF_VEC)
/* VECTOR LOAD LOGICAL ELEMENT AND ZERO */
@ -1082,6 +1084,8 @@
E(0xe709, VSTEH, VRX, V, la2, 0, 0, 0, vste, 0, ES_16, IF_VEC)
E(0xe70b, VSTEF, VRX, V, la2, 0, 0, 0, vste, 0, ES_32, IF_VEC)
E(0xe70a, VSTEG, VRX, V, la2, 0, 0, 0, vste, 0, ES_64, IF_VEC)
/* VECTOR STORE ELEMENTS REVERSED */
F(0xe60f, VSTER, VRX, VE2, la2, 0, 0, 0, vster, 0, IF_VEC)
/* VECTOR STORE MULTIPLE */
F(0xe73e, VSTM, VRS_a, V, la2, 0, 0, 0, vstm, 0, IF_VEC)
/* VECTOR STORE WITH LENGTH */

84
target/s390x/tcg/translate_vx.c.inc
View File

@ -492,6 +492,46 @@ static DisasJumpType op_vlei(DisasContext *s, DisasOps *o)
return DISAS_NEXT;
}
static DisasJumpType op_vler(DisasContext *s, DisasOps *o)
{
const uint8_t es = get_field(s, m3);
if (es < ES_16 || es > ES_64) {
gen_program_exception(s, PGM_SPECIFICATION);
return DISAS_NORETURN;
}
TCGv_i64 t0 = tcg_temp_new_i64();
TCGv_i64 t1 = tcg_temp_new_i64();
/* Begin with the two doublewords swapped... */
tcg_gen_qemu_ld_i64(t1, o->addr1, get_mem_index(s), MO_TEUQ);
gen_addi_and_wrap_i64(s, o->addr1, o->addr1, 8);
tcg_gen_qemu_ld_i64(t0, o->addr1, get_mem_index(s), MO_TEUQ);
/* ... then swap smaller elements within the doublewords as required. */
switch (es) {
case MO_16:
tcg_gen_hswap_i64(t1, t1);
tcg_gen_hswap_i64(t0, t0);
break;
case MO_32:
tcg_gen_wswap_i64(t1, t1);
tcg_gen_wswap_i64(t0, t0);
break;
case MO_64:
break;
default:
g_assert_not_reached();
}
write_vec_element_i64(t0, get_field(s, v1), 0, ES_64);
write_vec_element_i64(t1, get_field(s, v1), 1, ES_64);
tcg_temp_free(t0);
tcg_temp_free(t1);
return DISAS_NEXT;
}
static DisasJumpType op_vlgv(DisasContext *s, DisasOps *o)
{
const uint8_t es = get_field(s, m4);
@ -976,6 +1016,50 @@ static DisasJumpType op_vste(DisasContext *s, DisasOps *o)
return DISAS_NEXT;
}
static DisasJumpType op_vster(DisasContext *s, DisasOps *o)
{
const uint8_t es = get_field(s, m3);
TCGv_i64 t0, t1;
if (es < ES_16 || es > ES_64) {
gen_program_exception(s, PGM_SPECIFICATION);
return DISAS_NORETURN;
}
/* Probe write access before actually modifying memory */
gen_helper_probe_write_access(cpu_env, o->addr1, tcg_constant_i64(16));
/* Begin with the two doublewords swapped... */
t0 = tcg_temp_new_i64();
t1 = tcg_temp_new_i64();
read_vec_element_i64(t1, get_field(s, v1), 0, ES_64);
read_vec_element_i64(t0, get_field(s, v1), 1, ES_64);
/* ... then swap smaller elements within the doublewords as required. */
switch (es) {
case MO_16:
tcg_gen_hswap_i64(t1, t1);
tcg_gen_hswap_i64(t0, t0);
break;
case MO_32:
tcg_gen_wswap_i64(t1, t1);
tcg_gen_wswap_i64(t0, t0);
break;
case MO_64:
break;
default:
g_assert_not_reached();
}
tcg_gen_qemu_st_i64(t0, o->addr1, get_mem_index(s), MO_TEUQ);
gen_addi_and_wrap_i64(s, o->addr1, o->addr1, 8);
tcg_gen_qemu_st_i64(t1, o->addr1, get_mem_index(s), MO_TEUQ);
tcg_temp_free(t0);
tcg_temp_free(t1);
return DISAS_NEXT;
}
static DisasJumpType op_vstm(DisasContext *s, DisasOps *o)
{
const uint8_t v3 = get_field(s, v3);