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[PATCH qemu 08/13] target/riscv: rvv: Add tail agnostic for vector integ
From: |
~eopxd |
Subject: |
[PATCH qemu 08/13] target/riscv: rvv: Add tail agnostic for vector integer merge and move instructions |
Date: |
Mon, 07 Mar 2022 01:53:23 -0800 |
From: eopXD <eop.chen@sifive.com>
Signed-off-by: eop Chen <eop.chen@sifive.com>
Reviewed-by: Frank Chang <frank.chang@sifive.com>
---
target/riscv/insn_trans/trans_rvv.c.inc | 4 ++++
target/riscv/vector_helper.c | 24 ++++++++++++++++++++++++
2 files changed, 28 insertions(+)
diff --git a/target/riscv/insn_trans/trans_rvv.c.inc
b/target/riscv/insn_trans/trans_rvv.c.inc
index f1838fbf11..dec5d638c8 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -2073,6 +2073,7 @@ static bool trans_vmv_v_v(DisasContext *s, arg_vmv_v_v *a)
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,
@@ -2115,6 +2116,7 @@ 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,
@@ -2153,6 +2155,7 @@ 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,
@@ -2736,6 +2739,7 @@ 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 9a08d14689..ce96ae61dc 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -1915,6 +1915,9 @@ void HELPER(NAME)(void *vd, void *vs1, CPURISCVState
*env, \
uint32_t desc) \
{ \
uint32_t vl = env->vl; \
+ uint32_t esz = sizeof(ETYPE); \
+ uint32_t vlmax = vext_get_vlmax(env_archcpu(env), env->vtype); \
+ uint32_t vta = vext_vta(desc); \
uint32_t i; \
\
for (i = env->vstart; i < vl; i++) { \
@@ -1922,6 +1925,9 @@ 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_fns[ctzl(esz)](vd, vta, vl, vl * esz, \
+ vlmax * esz); \
}
GEN_VEXT_VMV_VV(vmv_v_v_b, int8_t, H1)
@@ -1934,12 +1940,18 @@ 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 vlmax = vext_get_vlmax(env_archcpu(env), env->vtype); \
+ 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_fns[ctzl(esz)](vd, vta, vl, vl * esz, \
+ vlmax * esz); \
}
GEN_VEXT_VMV_VX(vmv_v_x_b, int8_t, H1)
@@ -1952,6 +1964,9 @@ 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 vlmax = vext_get_vlmax(env_archcpu(env), env->vtype); \
+ uint32_t vta = vext_vta(desc); \
uint32_t i; \
\
for (i = env->vstart; i < vl; i++) { \
@@ -1959,6 +1974,9 @@ 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_fns[ctzl(esz)](vd, vta, vl, vl * esz, \
+ vlmax * esz); \
}
GEN_VEXT_VMERGE_VV(vmerge_vvm_b, int8_t, H1)
@@ -1971,6 +1989,9 @@ 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 vlmax = vext_get_vlmax(env_archcpu(env), env->vtype); \
+ uint32_t vta = vext_vta(desc); \
uint32_t i; \
\
for (i = env->vstart; i < vl; i++) { \
@@ -1980,6 +2001,9 @@ 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_fns[ctzl(esz)](vd, vta, vl, vl * esz, \
+ vlmax * esz); \
}
GEN_VEXT_VMERGE_VX(vmerge_vxm_b, int8_t, H1)
--
2.34.1
- [PATCH qemu 04/13] target/riscv: rvv: Add tail agnostic for vv instructions, (continued)
- [PATCH qemu 04/13] target/riscv: rvv: Add tail agnostic for vv instructions, ~eopxd, 2022/03/19
- [PATCH qemu 05/13] target/riscv: rvv: Add tail agnostic for vx, vvm, vxm instructions, ~eopxd, 2022/03/19
- [PATCH qemu 07/13] target/riscv: rvv: Add tail agnostic for vector integer comparison instructions, ~eopxd, 2022/03/19
- [PATCH qemu 06/13] target/riscv: rvv: Add tail agnostic for vector integer shift instructions, ~eopxd, 2022/03/19
- [PATCH qemu 10/13] target/riscv: rvv: Add tail agnostic for vector floating-point instructions, ~eopxd, 2022/03/19
- [PATCH qemu 02/13] target/riscv: rvv: Rename ambiguous esz, ~eopxd, 2022/03/19
- [PATCH qemu 08/13] target/riscv: rvv: Add tail agnostic for vector integer merge and move instructions,
~eopxd <=
- [PATCH qemu 11/13] target/riscv: rvv: Add tail agnostic for vector reduction instructions, ~eopxd, 2022/03/19
- [PATCH qemu 12/13] target/riscv: rvv: Add tail agnostic for vector mask instructions, ~eopxd, 2022/03/19
- [PATCH qemu 13/13] target/riscv: rvv: Add tail agnostic for vector permutation instructions, ~eopxd, 2022/03/19
- [PATCH qemu 09/13] target/riscv: rvv: Add tail agnostic for vector fix-point arithmetic instructions, ~eopxd, 2022/03/19
- Re: [PATCH qemu 00/13] Add tail agnostic behavior for rvv instructions, Weiwei Li, 2022/03/19
- Re: [PATCH qemu 00/13] Add tail agnostic behavior for rvv instructions, eop Chen, 2022/03/21