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[RFC v5 06/68] target/riscv: rvv-1.0: add translation-time vector contex
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From: |
frank . chang |
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Subject: |
[RFC v5 06/68] target/riscv: rvv-1.0: add translation-time vector context status |
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Date: |
Wed, 30 Sep 2020 03:03:41 +0800 |
From: Frank Chang <frank.chang@sifive.com>
Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Signed-off-by: Frank Chang <frank.chang@sifive.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
target/riscv/insn_trans/trans_rvv.c.inc | 70 ++++++++++++++++++++-----
target/riscv/translate.c | 33 ++++++++++++
2 files changed, 90 insertions(+), 13 deletions(-)
diff --git a/target/riscv/insn_trans/trans_rvv.c.inc
b/target/riscv/insn_trans/trans_rvv.c.inc
index 887c6b8883..8be1add158 100644
--- a/target/riscv/insn_trans/trans_rvv.c.inc
+++ b/target/riscv/insn_trans/trans_rvv.c.inc
@@ -41,6 +41,7 @@ static bool trans_vsetvl(DisasContext *ctx, arg_vsetvl *a)
gen_get_gpr(s2, a->rs2);
gen_helper_vsetvl(dst, cpu_env, s1, s2);
gen_set_gpr(a->rd, dst);
+ mark_vs_dirty(ctx);
tcg_gen_movi_tl(cpu_pc, ctx->pc_succ_insn);
lookup_and_goto_ptr(ctx);
ctx->base.is_jmp = DISAS_NORETURN;
@@ -72,7 +73,7 @@ static bool trans_vsetvli(DisasContext *ctx, arg_vsetvli *a)
}
gen_helper_vsetvl(dst, cpu_env, s1, s2);
gen_set_gpr(a->rd, dst);
- gen_goto_tb(ctx, 0, ctx->pc_succ_insn);
+ mark_vs_dirty(ctx);
ctx->base.is_jmp = DISAS_NORETURN;
tcg_temp_free(s1);
@@ -163,7 +164,8 @@ typedef void gen_helper_ldst_us(TCGv_ptr, TCGv_ptr, TCGv,
TCGv_env, TCGv_i32);
static bool ldst_us_trans(uint32_t vd, uint32_t rs1, uint32_t data,
- gen_helper_ldst_us *fn, DisasContext *s)
+ gen_helper_ldst_us *fn, DisasContext *s,
+ bool is_store)
{
TCGv_ptr dest, mask;
TCGv base;
@@ -195,6 +197,9 @@ static bool ldst_us_trans(uint32_t vd, uint32_t rs1,
uint32_t data,
tcg_temp_free_ptr(mask);
tcg_temp_free(base);
tcg_temp_free_i32(desc);
+ if (!is_store) {
+ mark_vs_dirty(s);
+ }
gen_set_label(over);
return true;
}
@@ -245,7 +250,7 @@ static bool ld_us_op(DisasContext *s, arg_r2nfvm *a,
uint8_t seq)
data = FIELD_DP32(data, VDATA, VM, a->vm);
data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
data = FIELD_DP32(data, VDATA, NF, a->nf);
- return ldst_us_trans(a->rd, a->rs1, data, fn, s);
+ return ldst_us_trans(a->rd, a->rs1, data, fn, s, false);
}
static bool ld_us_check(DisasContext *s, arg_r2nfvm* a)
@@ -298,7 +303,7 @@ static bool st_us_op(DisasContext *s, arg_r2nfvm *a,
uint8_t seq)
data = FIELD_DP32(data, VDATA, VM, a->vm);
data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
data = FIELD_DP32(data, VDATA, NF, a->nf);
- return ldst_us_trans(a->rd, a->rs1, data, fn, s);
+ return ldst_us_trans(a->rd, a->rs1, data, fn, s, true);
}
static bool st_us_check(DisasContext *s, arg_r2nfvm* a)
@@ -321,7 +326,7 @@ typedef void gen_helper_ldst_stride(TCGv_ptr, TCGv_ptr,
TCGv,
static bool ldst_stride_trans(uint32_t vd, uint32_t rs1, uint32_t rs2,
uint32_t data, gen_helper_ldst_stride *fn,
- DisasContext *s)
+ DisasContext *s, bool is_store)
{
TCGv_ptr dest, mask;
TCGv base, stride;
@@ -348,6 +353,9 @@ static bool ldst_stride_trans(uint32_t vd, uint32_t rs1,
uint32_t rs2,
tcg_temp_free(base);
tcg_temp_free(stride);
tcg_temp_free_i32(desc);
+ if (!is_store) {
+ mark_vs_dirty(s);
+ }
gen_set_label(over);
return true;
}
@@ -382,7 +390,7 @@ static bool ld_stride_op(DisasContext *s, arg_rnfvm *a,
uint8_t seq)
data = FIELD_DP32(data, VDATA, VM, a->vm);
data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
data = FIELD_DP32(data, VDATA, NF, a->nf);
- return ldst_stride_trans(a->rd, a->rs1, a->rs2, data, fn, s);
+ return ldst_stride_trans(a->rd, a->rs1, a->rs2, data, fn, s, false);
}
static bool ld_stride_check(DisasContext *s, arg_rnfvm* a)
@@ -426,7 +434,7 @@ static bool st_stride_op(DisasContext *s, arg_rnfvm *a,
uint8_t seq)
return false;
}
- return ldst_stride_trans(a->rd, a->rs1, a->rs2, data, fn, s);
+ return ldst_stride_trans(a->rd, a->rs1, a->rs2, data, fn, s, true);
}
static bool st_stride_check(DisasContext *s, arg_rnfvm* a)
@@ -449,7 +457,7 @@ typedef void gen_helper_ldst_index(TCGv_ptr, TCGv_ptr, TCGv,
static bool ldst_index_trans(uint32_t vd, uint32_t rs1, uint32_t vs2,
uint32_t data, gen_helper_ldst_index *fn,
- DisasContext *s)
+ DisasContext *s, bool is_store)
{
TCGv_ptr dest, mask, index;
TCGv base;
@@ -476,6 +484,9 @@ static bool ldst_index_trans(uint32_t vd, uint32_t rs1,
uint32_t vs2,
tcg_temp_free_ptr(index);
tcg_temp_free(base);
tcg_temp_free_i32(desc);
+ if (!is_store) {
+ mark_vs_dirty(s);
+ }
gen_set_label(over);
return true;
}
@@ -510,7 +521,7 @@ static bool ld_index_op(DisasContext *s, arg_rnfvm *a,
uint8_t seq)
data = FIELD_DP32(data, VDATA, VM, a->vm);
data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
data = FIELD_DP32(data, VDATA, NF, a->nf);
- return ldst_index_trans(a->rd, a->rs1, a->rs2, data, fn, s);
+ return ldst_index_trans(a->rd, a->rs1, a->rs2, data, fn, s, false);
}
/*
@@ -562,7 +573,7 @@ static bool st_index_op(DisasContext *s, arg_rnfvm *a,
uint8_t seq)
data = FIELD_DP32(data, VDATA, VM, a->vm);
data = FIELD_DP32(data, VDATA, LMUL, s->lmul);
data = FIELD_DP32(data, VDATA, NF, a->nf);
- return ldst_index_trans(a->rd, a->rs1, a->rs2, data, fn, s);
+ return ldst_index_trans(a->rd, a->rs1, a->rs2, data, fn, s, true);
}
static bool st_index_check(DisasContext *s, arg_rnfvm* a)
@@ -606,6 +617,7 @@ static bool ldff_trans(uint32_t vd, uint32_t rs1, uint32_t
data,
tcg_temp_free_ptr(mask);
tcg_temp_free(base);
tcg_temp_free_i32(desc);
+ mark_vs_dirty(s);
gen_set_label(over);
return true;
}
@@ -685,6 +697,7 @@ static bool amo_trans(uint32_t vd, uint32_t rs1, uint32_t
vs2,
tcg_temp_free_ptr(index);
tcg_temp_free(base);
tcg_temp_free_i32(desc);
+ mark_vs_dirty(s);
gen_set_label(over);
return true;
}
@@ -832,6 +845,7 @@ do_opivv_gvec(DisasContext *s, arg_rmrr *a, GVecGen3Fn
*gvec_fn,
vreg_ofs(s, a->rs1), vreg_ofs(s, a->rs2),
cpu_env, 0, s->vlen / 8, data, fn);
}
+ mark_vs_dirty(s);
gen_set_label(over);
return true;
}
@@ -886,6 +900,7 @@ static bool opivx_trans(uint32_t vd, uint32_t rs1, uint32_t
vs2, uint32_t vm,
tcg_temp_free_ptr(src2);
tcg_temp_free(src1);
tcg_temp_free_i32(desc);
+ mark_vs_dirty(s);
gen_set_label(over);
return true;
}
@@ -920,6 +935,7 @@ do_opivx_gvec(DisasContext *s, arg_rmrr *a, GVecGen2sFn
*gvec_fn,
tcg_temp_free_i64(src1);
tcg_temp_free(tmp);
+ mark_vs_dirty(s);
return true;
}
return opivx_trans(a->rd, a->rs1, a->rs2, a->vm, fn, s);
@@ -1033,6 +1049,7 @@ static bool opivi_trans(uint32_t vd, uint32_t imm,
uint32_t vs2, uint32_t vm,
tcg_temp_free_ptr(src2);
tcg_temp_free(src1);
tcg_temp_free_i32(desc);
+ mark_vs_dirty(s);
gen_set_label(over);
return true;
}
@@ -1056,10 +1073,10 @@ do_opivi_gvec(DisasContext *s, arg_rmrr *a, GVecGen2iFn
*gvec_fn,
gvec_fn(s->sew, vreg_ofs(s, a->rd), vreg_ofs(s, a->rs2),
sextract64(a->rs1, 0, 5), MAXSZ(s), MAXSZ(s));
}
- } else {
- return opivi_trans(a->rd, a->rs1, a->rs2, a->vm, fn, s, zx);
+ mark_vs_dirty(s);
+ return true;
}
- return true;
+ return opivi_trans(a->rd, a->rs1, a->rs2, a->vm, fn, s, zx);
}
/* OPIVI with GVEC IR */
@@ -1120,6 +1137,7 @@ static bool do_opivv_widen(DisasContext *s, arg_rmrr *a,
vreg_ofs(s, a->rs2),
cpu_env, 0, s->vlen / 8,
data, fn);
+ mark_vs_dirty(s);
gen_set_label(over);
return true;
}
@@ -1207,6 +1225,7 @@ static bool do_opiwv_widen(DisasContext *s, arg_rmrr *a,
vreg_ofs(s, a->rs1),
vreg_ofs(s, a->rs2),
cpu_env, 0, s->vlen / 8, data, fn);
+ mark_vs_dirty(s);
gen_set_label(over);
return true;
}
@@ -1285,6 +1304,7 @@ static bool trans_##NAME(DisasContext *s, arg_rmrr *a)
\
vreg_ofs(s, a->rs1), \
vreg_ofs(s, a->rs2), cpu_env, 0, \
s->vlen / 8, data, fns[s->sew]); \
+ mark_vs_dirty(s); \
gen_set_label(over); \
return true; \
} \
@@ -1416,6 +1436,7 @@ do_opivx_gvec_shift(DisasContext *s, arg_rmrr *a,
GVecGen2sFn32 *gvec_fn,
tcg_temp_free_i32(src1);
tcg_temp_free(tmp);
+ mark_vs_dirty(s);
return true;
}
return opivx_trans(a->rd, a->rs1, a->rs2, a->vm, fn, s);
@@ -1474,6 +1495,7 @@ static bool trans_##NAME(DisasContext *s, arg_rmrr *a)
\
vreg_ofs(s, a->rs1), \
vreg_ofs(s, a->rs2), cpu_env, 0, \
s->vlen / 8, data, fns[s->sew]); \
+ mark_vs_dirty(s); \
gen_set_label(over); \
return true; \
} \
@@ -1657,6 +1679,7 @@ static bool trans_vmv_v_v(DisasContext *s, arg_vmv_v_v *a)
cpu_env, 0, s->vlen / 8, data, fns[s->sew]);
gen_set_label(over);
}
+ mark_vs_dirty(s);
return true;
}
return false;
@@ -1699,6 +1722,7 @@ static bool trans_vmv_v_x(DisasContext *s, arg_vmv_v_x *a)
}
tcg_temp_free(s1);
+ mark_vs_dirty(s);
gen_set_label(over);
return true;
}
@@ -1714,6 +1738,7 @@ static bool trans_vmv_v_i(DisasContext *s, arg_vmv_v_i *a)
if (s->vl_eq_vlmax) {
tcg_gen_gvec_dup_imm(s->sew, vreg_ofs(s, a->rd),
MAXSZ(s), MAXSZ(s), simm);
+ mark_vs_dirty(s);
} else {
TCGv_i32 desc;
TCGv_i64 s1;
@@ -1735,6 +1760,7 @@ static bool trans_vmv_v_i(DisasContext *s, arg_vmv_v_i *a)
tcg_temp_free_ptr(dest);
tcg_temp_free_i32(desc);
tcg_temp_free_i64(s1);
+ mark_vs_dirty(s);
gen_set_label(over);
}
return true;
@@ -1839,6 +1865,7 @@ static bool trans_##NAME(DisasContext *s, arg_rmrr *a)
\
vreg_ofs(s, a->rs1), \
vreg_ofs(s, a->rs2), cpu_env, 0, \
s->vlen / 8, data, fns[s->sew - 1]); \
+ mark_vs_dirty(s); \
gen_set_label(over); \
return true; \
} \
@@ -1874,6 +1901,7 @@ static bool opfvf_trans(uint32_t vd, uint32_t rs1,
uint32_t vs2,
tcg_temp_free_ptr(mask);
tcg_temp_free_ptr(src2);
tcg_temp_free_i32(desc);
+ mark_vs_dirty(s);
gen_set_label(over);
return true;
}
@@ -1951,6 +1979,7 @@ static bool trans_##NAME(DisasContext *s, arg_rmrr *a)
\
vreg_ofs(s, a->rs1), \
vreg_ofs(s, a->rs2), cpu_env, 0, \
s->vlen / 8, data, fns[s->sew - 1]); \
+ mark_vs_dirty(s); \
gen_set_label(over); \
return true; \
} \
@@ -2025,6 +2054,7 @@ static bool trans_##NAME(DisasContext *s, arg_rmrr *a)
\
vreg_ofs(s, a->rs1), \
vreg_ofs(s, a->rs2), cpu_env, 0, \
s->vlen / 8, data, fns[s->sew - 1]); \
+ mark_vs_dirty(s); \
gen_set_label(over); \
return true; \
} \
@@ -2139,6 +2169,7 @@ static bool trans_##NAME(DisasContext *s, arg_rmr *a)
\
tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \
vreg_ofs(s, a->rs2), cpu_env, 0, \
s->vlen / 8, data, fns[s->sew - 1]); \
+ mark_vs_dirty(s); \
gen_set_label(over); \
return true; \
} \
@@ -2211,6 +2242,7 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv_v_f
*a)
if (s->vl_eq_vlmax) {
tcg_gen_gvec_dup_i64(s->sew, vreg_ofs(s, a->rd),
MAXSZ(s), MAXSZ(s), cpu_fpr[a->rs1]);
+ mark_vs_dirty(s);
} else {
TCGv_ptr dest;
TCGv_i32 desc;
@@ -2230,6 +2262,7 @@ static bool trans_vfmv_v_f(DisasContext *s, arg_vfmv_v_f
*a)
tcg_temp_free_ptr(dest);
tcg_temp_free_i32(desc);
+ mark_vs_dirty(s);
gen_set_label(over);
}
return true;
@@ -2279,6 +2312,7 @@ static bool trans_##NAME(DisasContext *s, arg_rmr *a)
\
tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \
vreg_ofs(s, a->rs2), cpu_env, 0, \
s->vlen / 8, data, fns[s->sew - 1]); \
+ mark_vs_dirty(s); \
gen_set_label(over); \
return true; \
} \
@@ -2327,6 +2361,7 @@ static bool trans_##NAME(DisasContext *s, arg_rmr *a)
\
tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0), \
vreg_ofs(s, a->rs2), cpu_env, 0, \
s->vlen / 8, data, fns[s->sew - 1]); \
+ mark_vs_dirty(s); \
gen_set_label(over); \
return true; \
} \
@@ -2389,6 +2424,7 @@ static bool trans_##NAME(DisasContext *s, arg_r *a)
\
vreg_ofs(s, a->rs1), \
vreg_ofs(s, a->rs2), cpu_env, 0, \
s->vlen / 8, data, fn); \
+ mark_vs_dirty(s); \
gen_set_label(over); \
return true; \
} \
@@ -2486,6 +2522,7 @@ static bool trans_##NAME(DisasContext *s, arg_rmr *a)
\
tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), \
vreg_ofs(s, 0), vreg_ofs(s, a->rs2), \
cpu_env, 0, s->vlen / 8, data, fn); \
+ mark_vs_dirty(s); \
gen_set_label(over); \
return true; \
} \
@@ -2517,6 +2554,7 @@ static bool trans_viota_m(DisasContext *s, arg_viota_m *a)
tcg_gen_gvec_3_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0),
vreg_ofs(s, a->rs2), cpu_env, 0,
s->vlen / 8, data, fns[s->sew]);
+ mark_vs_dirty(s);
gen_set_label(over);
return true;
}
@@ -2542,6 +2580,7 @@ static bool trans_vid_v(DisasContext *s, arg_vid_v *a)
};
tcg_gen_gvec_2_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0),
cpu_env, 0, s->vlen / 8, data, fns[s->sew]);
+ mark_vs_dirty(s);
gen_set_label(over);
return true;
}
@@ -2717,6 +2756,7 @@ static bool trans_vmv_s_x(DisasContext *s, arg_vmv_s_x *a)
tcg_gen_extu_tl_i64(t1, cpu_gpr[a->rs1]);
vec_element_storei(s, a->rd, 0, t1);
tcg_temp_free_i64(t1);
+ mark_vs_dirty(s);
done:
gen_set_label(over);
return true;
@@ -2767,6 +2807,7 @@ static bool trans_vfmv_s_f(DisasContext *s, arg_vfmv_s_f
*a)
}
vec_element_storei(s, a->rd, 0, t1);
tcg_temp_free_i64(t1);
+ mark_vs_dirty(s);
gen_set_label(over);
return true;
}
@@ -2833,6 +2874,7 @@ static bool trans_vrgather_vx(DisasContext *s, arg_rmrr
*a)
tcg_gen_gvec_dup_i64(s->sew, vreg_ofs(s, a->rd),
MAXSZ(s), MAXSZ(s), dest);
tcg_temp_free_i64(dest);
+ mark_vs_dirty(s);
} else {
static gen_helper_opivx * const fns[4] = {
gen_helper_vrgather_vx_b, gen_helper_vrgather_vx_h,
@@ -2859,6 +2901,7 @@ static bool trans_vrgather_vi(DisasContext *s, arg_rmrr
*a)
endian_ofs(s, a->rs2, a->rs1),
MAXSZ(s), MAXSZ(s));
}
+ mark_vs_dirty(s);
} else {
static gen_helper_opivx * const fns[4] = {
gen_helper_vrgather_vx_b, gen_helper_vrgather_vx_h,
@@ -2895,6 +2938,7 @@ static bool trans_vcompress_vm(DisasContext *s, arg_r *a)
tcg_gen_gvec_4_ptr(vreg_ofs(s, a->rd), vreg_ofs(s, 0),
vreg_ofs(s, a->rs1), vreg_ofs(s, a->rs2),
cpu_env, 0, s->vlen / 8, data, fns[s->sew]);
+ mark_vs_dirty(s);
gen_set_label(over);
return true;
}
diff --git a/target/riscv/translate.c b/target/riscv/translate.c
index 79dca2291b..faca57f9aa 100644
--- a/target/riscv/translate.c
+++ b/target/riscv/translate.c
@@ -47,6 +47,7 @@ typedef struct DisasContext {
bool virt_enabled;
uint32_t opcode;
uint32_t mstatus_fs;
+ uint32_t mstatus_vs;
uint32_t misa;
uint32_t mem_idx;
/* Remember the rounding mode encoded in the previous fp instruction,
@@ -445,6 +446,37 @@ static void mark_fs_dirty(DisasContext *ctx)
static inline void mark_fs_dirty(DisasContext *ctx) { }
#endif
+#ifndef CONFIG_USER_ONLY
+/* The states of mstatus_vs are:
+ * 0 = disabled, 1 = initial, 2 = clean, 3 = dirty
+ * We will have already diagnosed disabled state,
+ * and need to turn initial/clean into dirty.
+ */
+static void mark_vs_dirty(DisasContext *ctx)
+{
+ TCGv tmp;
+ if (ctx->mstatus_vs == MSTATUS_VS) {
+ return;
+ }
+ /* Remember the state change for the rest of the TB. */
+ ctx->mstatus_vs = MSTATUS_VS;
+
+ tmp = tcg_temp_new();
+ tcg_gen_ld_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus));
+ tcg_gen_ori_tl(tmp, tmp, MSTATUS_VS | MSTATUS_SD);
+ tcg_gen_st_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus));
+
+ if (ctx->virt_enabled) {
+ tcg_gen_ld_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus_hs));
+ tcg_gen_ori_tl(tmp, tmp, MSTATUS_VS | MSTATUS_SD);
+ tcg_gen_st_tl(tmp, cpu_env, offsetof(CPURISCVState, mstatus_hs));
+ }
+ tcg_temp_free(tmp);
+}
+#else
+static inline void mark_vs_dirty(DisasContext *ctx) { }
+#endif
+
#if !defined(TARGET_RISCV64)
static void gen_fp_load(DisasContext *ctx, uint32_t opc, int rd,
int rs1, target_long imm)
@@ -793,6 +825,7 @@ static void riscv_tr_init_disas_context(DisasContextBase
*dcbase, CPUState *cs)
ctx->pc_succ_insn = ctx->base.pc_first;
ctx->mem_idx = tb_flags & TB_FLAGS_MMU_MASK;
ctx->mstatus_fs = tb_flags & TB_FLAGS_MSTATUS_FS;
+ ctx->mstatus_vs = tb_flags & TB_FLAGS_MSTATUS_VS;
ctx->priv_ver = env->priv_ver;
#if !defined(CONFIG_USER_ONLY)
if (riscv_has_ext(env, RVH)) {
--
2.17.1
- [RFC v5 00/68] support vector extension v1.0, frank . chang, 2020/09/29
- [RFC v5 01/68] target/riscv: drop vector 0.7.1 and add 1.0 support, frank . chang, 2020/09/29
- [RFC v5 02/68] target/riscv: Use FIELD_EX32() to extract wd field, frank . chang, 2020/09/29
- [RFC v5 03/68] target/riscv: rvv-1.0: add mstatus VS field, frank . chang, 2020/09/29
- [RFC v5 04/68] target/riscv: rvv-1.0: add sstatus VS field, frank . chang, 2020/09/29
- [RFC v5 05/68] target/riscv: rvv-1.0: introduce writable misa.v field, frank . chang, 2020/09/29
- [RFC v5 06/68] target/riscv: rvv-1.0: add translation-time vector context status,
frank . chang <=
- [RFC v5 07/68] target/riscv: rvv-1.0: remove rvv related codes from fcsr registers, frank . chang, 2020/09/29
- [RFC v5 08/68] target/riscv: rvv-1.0: add vcsr register, frank . chang, 2020/09/29
- [RFC v5 09/68] target/riscv: rvv-1.0: add vlenb register, frank . chang, 2020/09/29
- [RFC v5 10/68] target/riscv: rvv-1.0: check MSTATUS_VS when accessing vector csr registers, frank . chang, 2020/09/29
- [RFC v5 11/68] target/riscv: rvv-1.0: remove MLEN calculations, frank . chang, 2020/09/29
- [RFC v5 12/68] target/riscv: rvv-1.0: add fractional LMUL, frank . chang, 2020/09/29
- [RFC v5 13/68] target/riscv: rvv-1.0: add VMA and VTA, frank . chang, 2020/09/29
- [RFC v5 14/68] target/riscv: rvv-1.0: update check functions, frank . chang, 2020/09/29
- [RFC v5 15/68] target/riscv: introduce more imm value modes in translator functions, frank . chang, 2020/09/29
- [RFC v5 16/68] target/riscv: rvv:1.0: add translation-time nan-box helper function, frank . chang, 2020/09/29