s390x/tcg: Implement VECTOR BIT PERMUTE
Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: David Hildenbrand <david@redhat.com> Message-Id: <20210608092337.12221-12-david@redhat.com> Signed-off-by: Cornelia Huck <cohuck@redhat.com>
This commit is contained in:
parent
4da79375c2
commit
2a785dfb50
|
@ -126,6 +126,7 @@ DEF_HELPER_FLAGS_1(stck, TCG_CALL_NO_RWG_SE, i64, env)
|
|||
DEF_HELPER_FLAGS_3(probe_write_access, TCG_CALL_NO_WG, void, env, i64, i64)
|
||||
|
||||
/* === Vector Support Instructions === */
|
||||
DEF_HELPER_FLAGS_4(gvec_vbperm, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
|
||||
DEF_HELPER_FLAGS_4(vll, TCG_CALL_NO_WG, void, env, ptr, i64, i64)
|
||||
DEF_HELPER_FLAGS_4(gvec_vpk16, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
|
||||
DEF_HELPER_FLAGS_4(gvec_vpk32, TCG_CALL_NO_RWG, void, ptr, cptr, cptr, i32)
|
||||
|
|
|
@ -989,6 +989,8 @@
|
|||
|
||||
/* === Vector Support Instructions === */
|
||||
|
||||
/* VECTOR BIT PERMUTE */
|
||||
E(0xe785, VBPERM, VRR_c, VE, 0, 0, 0, 0, vbperm, 0, 0, IF_VEC)
|
||||
/* VECTOR GATHER ELEMENT */
|
||||
E(0xe713, VGEF, VRV, V, la2, 0, 0, 0, vge, 0, ES_32, IF_VEC)
|
||||
E(0xe712, VGEG, VRV, V, la2, 0, 0, 0, vge, 0, ES_64, IF_VEC)
|
||||
|
|
|
@ -327,6 +327,14 @@ static void gen_addi2_i64(TCGv_i64 dl, TCGv_i64 dh, TCGv_i64 al, TCGv_i64 ah,
|
|||
tcg_temp_free_i64(bh);
|
||||
}
|
||||
|
||||
static DisasJumpType op_vbperm(DisasContext *s, DisasOps *o)
|
||||
{
|
||||
gen_gvec_3_ool(get_field(s, v1), get_field(s, v2), get_field(s, v3), 0,
|
||||
gen_helper_gvec_vbperm);
|
||||
|
||||
return DISAS_NEXT;
|
||||
}
|
||||
|
||||
static DisasJumpType op_vge(DisasContext *s, DisasOps *o)
|
||||
{
|
||||
const uint8_t es = s->insn->data;
|
||||
|
|
|
@ -19,6 +19,28 @@
|
|||
#include "exec/cpu_ldst.h"
|
||||
#include "exec/exec-all.h"
|
||||
|
||||
void HELPER(gvec_vbperm)(void *v1, const void *v2, const void *v3,
|
||||
uint32_t desc)
|
||||
{
|
||||
S390Vector tmp = {};
|
||||
uint16_t result = 0;
|
||||
int i;
|
||||
|
||||
for (i = 0; i < 16; i++) {
|
||||
const uint8_t bit_nr = s390_vec_read_element8(v3, i);
|
||||
uint16_t bit;
|
||||
|
||||
if (bit_nr >= 128) {
|
||||
continue;
|
||||
}
|
||||
bit = (s390_vec_read_element8(v2, bit_nr / 8)
|
||||
>> (7 - (bit_nr % 8))) & 1;
|
||||
result |= (bit << (15 - i));
|
||||
}
|
||||
s390_vec_write_element16(&tmp, 3, result);
|
||||
*(S390Vector *)v1 = tmp;
|
||||
}
|
||||
|
||||
void HELPER(vll)(CPUS390XState *env, void *v1, uint64_t addr, uint64_t bytes)
|
||||
{
|
||||
if (likely(bytes >= 16)) {
|
||||
|
|
Loading…
Reference in a new issue