From: eopXD <eop.c...@sifive.com>
Signed-off-by: eop Chen <eop.c...@sifive.com>
Reviewed-by: Frank Chang <frank.ch...@sifive.com>
Reviewed-by: Weiwei Li <liwei...@iscas.ac.cn>
Acked-by: Alistair Francis <alistair.fran...@wdc.com>
---
target/riscv/insn_trans/trans_rvv.c.inc | 12 ++++++++----
target/riscv/vector_helper.c | 20 ++++++++++++++++++++
2 files changed, 28 insertions(+), 4 deletions(-)
diff --git a/target/riscv/insn_trans/trans_rvv.c.inc
b/target/riscv/insn_trans/trans_rvv.c.inc
index b03d459d84..50f874ceae 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -2082,12 +2082,13 @@ static bool trans_vmv_v_v(DisasContext *s, arg_vmv_v_v
*a)
vext_check_isa_ill(s) &&
/* vmv.v.v has rs2 = 0 and vm = 1 */
vext_check_sss(s, a->rd, a->rs1, 0, 1)) {
- if (s->vl_eq_vlmax) {
+ if (s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) {
tcg_gen_gvec_mov(s->sew, vreg_ofs(s, a->rd),
vreg_ofs(s, a->rs1),
MAXSZ(s), MAXSZ(s));
} else {
uint32_t data = FIELD_DP32(0, VDATA, LMUL, s->lmul);
+ data = FIELD_DP32(data, VDATA, VTA, s->vta);
static gen_helper_gvec_2_ptr * const fns[4] = {
gen_helper_vmv_v_v_b, gen_helper_vmv_v_v_h,
gen_helper_vmv_v_v_w, gen_helper_vmv_v_v_d,
@@ -2122,7 +2123,7 @@ static bool trans_vmv_v_x(DisasContext *s, arg_vmv_v_x *a)
s1 = get_gpr(s, a->rs1, EXT_SIGN);
- if (s->vl_eq_vlmax) {
+ if (s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) {
tcg_gen_gvec_dup_tl(s->sew, vreg_ofs(s, a->rd),
MAXSZ(s), MAXSZ(s), s1);
} else {
@@ -2130,6 +2131,7 @@ static bool trans_vmv_v_x(DisasContext *s, arg_vmv_v_x *a)
TCGv_i64 s1_i64 = tcg_temp_new_i64();
TCGv_ptr dest = tcg_temp_new_ptr();
uint32_t data = FIELD_DP32(0, VDATA, LMUL, s->lmul);
+ data = FIELD_DP32(data, VDATA, VTA, s->vta);
static gen_helper_vmv_vx * const fns[4] = {
gen_helper_vmv_v_x_b, gen_helper_vmv_v_x_h,
gen_helper_vmv_v_x_w, gen_helper_vmv_v_x_d,
@@ -2159,7 +2161,7 @@ static bool trans_vmv_v_i(DisasContext *s, arg_vmv_v_i *a)
/* vmv.v.i has rs2 = 0 and vm = 1 */
vext_check_ss(s, a->rd, 0, 1)) {
int64_t simm = sextract64(a->rs1, 0, 5);
- if (s->vl_eq_vlmax) {
+ if (s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) {
tcg_gen_gvec_dup_imm(s->sew, vreg_ofs(s, a->rd),
MAXSZ(s), MAXSZ(s), simm);
mark_vs_dirty(s);
@@ -2168,6 +2170,7 @@ static bool trans_vmv_v_i(DisasContext *s, arg_vmv_v_i *a)
TCGv_i64 s1;
TCGv_ptr dest;
uint32_t data = FIELD_DP32(0, VDATA, LMUL, s->lmul);
+ data = FIELD_DP32(data, VDATA, VTA, s->vta);
static gen_helper_vmv_vx * const fns[4] = {
gen_helper_vmv_v_x_b, gen_helper_vmv_v_x_h,
gen_helper_vmv_v_x_w, gen_helper_vmv_v_x_d,
@@ -2739,7 +2742,7 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv_v_f
*a)
TCGv_i64 t1;
- if (s->vl_eq_vlmax) {
+ if (s->vl_eq_vlmax && !(s->vta && s->lmul < 0)) {
t1 = tcg_temp_new_i64();
/* NaN-box f[rs1] */
do_nanbox(s, t1, cpu_fpr[a->rs1]);
@@ -2751,6 +2754,7 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv_v_f
*a)
TCGv_ptr dest;
TCGv_i32 desc;
uint32_t data = FIELD_DP32(0, VDATA, LMUL, s->lmul);
+ data = FIELD_DP32(data, VDATA, VTA, s->vta);
static gen_helper_vmv_vx * const fns[3] = {
gen_helper_vmv_v_x_h,
gen_helper_vmv_v_x_w,
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index b964b01a15..2bf670920a 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -1968,6 +1968,9 @@ void HELPER(NAME)(void *vd, void *vs1, CPURISCVState
*env, \
uint32_t desc) \
{ \
uint32_t vl = env->vl; \
+ uint32_t esz = sizeof(ETYPE); \
+ uint32_t total_elems = vext_get_total_elems(env, desc, esz); \
+ uint32_t vta = vext_vta(desc); \
uint32_t i; \
\
for (i = env->vstart; i < vl; i++) { \
@@ -1975,6 +1978,8 @@ void HELPER(NAME)(void *vd, void *vs1, CPURISCVState
*env, \
*((ETYPE *)vd + H(i)) = s1; \
} \
env->vstart = 0; \
+ /* set tail elements to 1s */ \
+ vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz); \
}
GEN_VEXT_VMV_VV(vmv_v_v_b, int8_t, H1)
@@ -1987,12 +1992,17 @@ void HELPER(NAME)(void *vd, uint64_t s1, CPURISCVState
*env, \
uint32_t desc) \
{ \
uint32_t vl = env->vl; \
+ uint32_t esz = sizeof(ETYPE); \
+ uint32_t total_elems = vext_get_total_elems(env, desc, esz); \
+ uint32_t vta = vext_vta(desc); \
uint32_t i; \
\
for (i = env->vstart; i < vl; i++) { \
*((ETYPE *)vd + H(i)) = (ETYPE)s1; \
} \
env->vstart = 0; \
+ /* set tail elements to 1s */ \
+ vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz); \
}
GEN_VEXT_VMV_VX(vmv_v_x_b, int8_t, H1)
@@ -2005,6 +2015,9 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void
*vs2, \
CPURISCVState *env, uint32_t desc) \
{ \
uint32_t vl = env->vl; \
+ uint32_t esz = sizeof(ETYPE); \
+ uint32_t total_elems = vext_get_total_elems(env, desc, esz); \
+ uint32_t vta = vext_vta(desc); \
uint32_t i; \
\
for (i = env->vstart; i < vl; i++) { \
@@ -2012,6 +2025,8 @@ void HELPER(NAME)(void *vd, void *v0, void *vs1, void
*vs2, \
*((ETYPE *)vd + H(i)) = *(vt + H(i)); \
} \
env->vstart = 0; \
+ /* set tail elements to 1s */ \
+ vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz); \
}
GEN_VEXT_VMERGE_VV(vmerge_vvm_b, int8_t, H1)
@@ -2024,6 +2039,9 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1,
\
void *vs2, CPURISCVState *env, uint32_t desc) \
{ \
uint32_t vl = env->vl; \
+ uint32_t esz = sizeof(ETYPE); \
+ uint32_t total_elems = vext_get_total_elems(env, desc, esz); \
+ uint32_t vta = vext_vta(desc); \
uint32_t i; \
\
for (i = env->vstart; i < vl; i++) { \
@@ -2033,6 +2051,8 @@ void HELPER(NAME)(void *vd, void *v0, target_ulong s1,
\
*((ETYPE *)vd + H(i)) = d; \
} \
env->vstart = 0; \
+ /* set tail elements to 1s */ \
+ vext_set_elems_1s(vd, vta, vl * esz, total_elems * esz); \
}
GEN_VEXT_VMERGE_VX(vmerge_vxm_b, int8_t, H1)
--
2.34.2
