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[PULL 17/25] target/riscv: rvv: Add tail agnostic for vector integer mer
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From: |
Alistair Francis |
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Subject: |
[PULL 17/25] target/riscv: rvv: Add tail agnostic for vector integer merge and move instructions |
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Date: |
Fri, 10 Jun 2022 14:26:47 +1000 |
From: eopXD <yueh.ting.chen@gmail.com>
Signed-off-by: eop Chen <eop.chen@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Weiwei Li <liweiwei@iscas.ac.cn>
Acked-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <165449614532.19704.7000832880482980398-10@git.sr.ht>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
target/riscv/vector_helper.c | 20 ++++++++++++++++++++
target/riscv/insn_trans/trans_rvv.c.inc | 12 ++++++++----
2 files changed, 28 insertions(+), 4 deletions(-)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index a64506bf02..128238786e 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -1969,6 +1969,9 @@ 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++) { \
@@ -1976,6 +1979,8 @@ 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)
@@ -1988,12 +1993,17 @@ 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)
@@ -2006,6 +2016,9 @@ 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++) { \
@@ -2013,6 +2026,8 @@ 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)
@@ -2025,6 +2040,9 @@ 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++) { \
@@ -2034,6 +2052,8 @@ 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)
diff --git a/target/riscv/insn_trans/trans_rvv.c.inc
b/target/riscv/insn_trans/trans_rvv.c.inc
index dbe687fb73..e75a2fd196 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -2086,12 +2086,13 @@ 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,
@@ -2126,7 +2127,7 @@ 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 {
@@ -2134,6 +2135,7 @@ 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,
@@ -2163,7 +2165,7 @@ 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);
@@ -2172,6 +2174,7 @@ 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,
@@ -2743,7 +2746,7 @@ 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]);
@@ -2755,6 +2758,7 @@ 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,
--
2.36.1
- [PULL 03/25] hw/riscv: virt: Generate fw_cfg DT node correctly, (continued)
- [PULL 03/25] hw/riscv: virt: Generate fw_cfg DT node correctly, Alistair Francis, 2022/06/10
- [PULL 04/25] hw/intc: sifive_plic: Avoid overflowing the addr_config buffer, Alistair Francis, 2022/06/10
- [PULL 05/25] hw/core/loader: return image sizes as ssize_t, Alistair Francis, 2022/06/10
- [PULL 06/25] target/riscv: Wake on VS-level external interrupts, Alistair Francis, 2022/06/10
- [PULL 07/25] target/riscv/debug.c: keep experimental rv128 support working, Alistair Francis, 2022/06/10
- [PULL 08/25] target/riscv: rvv: Prune redundant ESZ, DSZ parameter passed, Alistair Francis, 2022/06/10
- [PULL 11/25] target/riscv: rvv: Early exit when vstart >= vl, Alistair Francis, 2022/06/10
- [PULL 09/25] target/riscv: rvv: Prune redundant access_type parameter passed, Alistair Francis, 2022/06/10
- [PULL 13/25] target/riscv: rvv: Add tail agnostic for vector load / store instructions, Alistair Francis, 2022/06/10
- [PULL 12/25] target/riscv: rvv: Add tail agnostic for vv instructions, Alistair Francis, 2022/06/10
- [PULL 17/25] target/riscv: rvv: Add tail agnostic for vector integer merge and move instructions,
Alistair Francis <=
- [PULL 10/25] target/riscv: rvv: Rename ambiguous esz, Alistair Francis, 2022/06/10
- [PULL 16/25] target/riscv: rvv: Add tail agnostic for vector integer comparison instructions, Alistair Francis, 2022/06/10
- [PULL 14/25] target/riscv: rvv: Add tail agnostic for vx, vvm, vxm instructions, Alistair Francis, 2022/06/10
- [PULL 15/25] target/riscv: rvv: Add tail agnostic for vector integer shift instructions, Alistair Francis, 2022/06/10
- [PULL 18/25] target/riscv: rvv: Add tail agnostic for vector fix-point arithmetic instructions, Alistair Francis, 2022/06/10
- [PULL 19/25] target/riscv: rvv: Add tail agnostic for vector floating-point instructions, Alistair Francis, 2022/06/10
- [PULL 20/25] target/riscv: rvv: Add tail agnostic for vector reduction instructions, Alistair Francis, 2022/06/10
- [PULL 21/25] target/riscv: rvv: Add tail agnostic for vector mask instructions, Alistair Francis, 2022/06/10
- [PULL 25/25] target/riscv: trans_rvv: Avoid assert for RV32 and e64, Alistair Francis, 2022/06/10
- [PULL 24/25] target/riscv: Don't expose the CPU properties on names CPUs, Alistair Francis, 2022/06/10