From: Alistair Francis <alistair23@gmail.com>
To: LIU Zhiwei <zhiwei_liu@c-sky.com>
Cc: guoren@linux.alibaba.com,
"open list:RISC-V" <qemu-riscv@nongnu.org>,
Richard Henderson <richard.henderson@linaro.org>,
"qemu-devel@nongnu.org Developers" <qemu-devel@nongnu.org>,
wxy194768@alibaba-inc.com,
Chih-Min Chao <chihmin.chao@sifive.com>,
wenmeng_zhang@c-sky.com, Palmer Dabbelt <palmer@dabbelt.com>
Subject: Re: [PATCH v6 15/61] target/riscv: vector narrowing integer right shift instructions
Date: Fri, 20 Mar 2020 11:43:51 -0700 [thread overview]
Message-ID: <CAKmqyKMLPCaHnNQXmpA9+smYrbB3khS9C4YzX7sBT1F46EPqyQ@mail.gmail.com> (raw)
In-Reply-To: <20200317150653.9008-16-zhiwei_liu@c-sky.com>
On Tue, Mar 17, 2020 at 8:37 AM LIU Zhiwei <zhiwei_liu@c-sky.com> wrote:
>
> Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Alistair
> ---
> target/riscv/helper.h | 13 ++++
> target/riscv/insn32.decode | 6 ++
> target/riscv/insn_trans/trans_rvv.inc.c | 85 +++++++++++++++++++++++++
> target/riscv/vector_helper.c | 14 ++++
> 4 files changed, 118 insertions(+)
>
> diff --git a/target/riscv/helper.h b/target/riscv/helper.h
> index 47284c7476..0f36a8ce43 100644
> --- a/target/riscv/helper.h
> +++ b/target/riscv/helper.h
> @@ -422,3 +422,16 @@ DEF_HELPER_6(vsra_vx_b, void, ptr, ptr, tl, ptr, env, i32)
> DEF_HELPER_6(vsra_vx_h, void, ptr, ptr, tl, ptr, env, i32)
> DEF_HELPER_6(vsra_vx_w, void, ptr, ptr, tl, ptr, env, i32)
> DEF_HELPER_6(vsra_vx_d, void, ptr, ptr, tl, ptr, env, i32)
> +
> +DEF_HELPER_6(vnsrl_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vnsrl_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vnsrl_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vnsra_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vnsra_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vnsra_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vnsrl_vx_b, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vnsrl_vx_h, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vnsrl_vx_w, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vnsra_vx_b, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vnsra_vx_h, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vnsra_vx_w, void, ptr, ptr, tl, ptr, env, i32)
> diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
> index f6d0f5aec5..89fd2aa4e2 100644
> --- a/target/riscv/insn32.decode
> +++ b/target/riscv/insn32.decode
> @@ -329,6 +329,12 @@ vsrl_vi 101000 . ..... ..... 011 ..... 1010111 @r_vm
> vsra_vv 101001 . ..... ..... 000 ..... 1010111 @r_vm
> vsra_vx 101001 . ..... ..... 100 ..... 1010111 @r_vm
> vsra_vi 101001 . ..... ..... 011 ..... 1010111 @r_vm
> +vnsrl_vv 101100 . ..... ..... 000 ..... 1010111 @r_vm
> +vnsrl_vx 101100 . ..... ..... 100 ..... 1010111 @r_vm
> +vnsrl_vi 101100 . ..... ..... 011 ..... 1010111 @r_vm
> +vnsra_vv 101101 . ..... ..... 000 ..... 1010111 @r_vm
> +vnsra_vx 101101 . ..... ..... 100 ..... 1010111 @r_vm
> +vnsra_vi 101101 . ..... ..... 011 ..... 1010111 @r_vm
>
> vsetvli 0 ........... ..... 111 ..... 1010111 @r2_zimm
> vsetvl 1000000 ..... ..... 111 ..... 1010111 @r
> diff --git a/target/riscv/insn_trans/trans_rvv.inc.c b/target/riscv/insn_trans/trans_rvv.inc.c
> index 6ed2466e75..a537b507a0 100644
> --- a/target/riscv/insn_trans/trans_rvv.inc.c
> +++ b/target/riscv/insn_trans/trans_rvv.inc.c
> @@ -1312,3 +1312,88 @@ GEN_OPIVX_GVEC_SHIFT_TRANS(vsra_vx, sars)
> GEN_OPIVI_GVEC_TRANS(vsll_vi, 1, vsll_vx, shli)
> GEN_OPIVI_GVEC_TRANS(vsrl_vi, 1, vsrl_vx, shri)
> GEN_OPIVI_GVEC_TRANS(vsra_vi, 1, vsra_vx, sari)
> +
> +/* Vector Narrowing Integer Right Shift Instructions */
> +static bool opivv_narrow_check(DisasContext *s, arg_rmrr *a)
> +{
> + return (vext_check_isa_ill(s) &&
> + vext_check_overlap_mask(s, a->rd, a->vm, false) &&
> + vext_check_reg(s, a->rd, false) &&
> + vext_check_reg(s, a->rs2, true) &&
> + vext_check_reg(s, a->rs1, false) &&
> + vext_check_overlap_group(a->rd, 1 << s->lmul, a->rs2,
> + 2 << s->lmul) &&
> + (s->lmul < 0x3) && (s->sew < 0x3));
> +}
> +
> +/* OPIVV with NARROW */
> +#define GEN_OPIVV_NARROW_TRANS(NAME) \
> +static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \
> +{ \
> + if (opivv_narrow_check(s, a)) { \
> + uint32_t data = 0; \
> + static gen_helper_gvec_4_ptr * const fns[3] = { \
> + gen_helper_##NAME##_b, \
> + gen_helper_##NAME##_h, \
> + gen_helper_##NAME##_w, \
> + }; \
> + data = FIELD_DP32(data, VDATA, MLEN, s->mlen); \
> + data = FIELD_DP32(data, VDATA, VM, a->vm); \
> + data = FIELD_DP32(data, VDATA, LMUL, s->lmul); \
> + 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]); \
> + return true; \
> + } \
> + return false; \
> +}
> +GEN_OPIVV_NARROW_TRANS(vnsra_vv)
> +GEN_OPIVV_NARROW_TRANS(vnsrl_vv)
> +
> +static bool opivx_narrow_check(DisasContext *s, arg_rmrr *a)
> +{
> + return (vext_check_isa_ill(s) &&
> + vext_check_overlap_mask(s, a->rd, a->vm, false) &&
> + vext_check_reg(s, a->rd, false) &&
> + vext_check_reg(s, a->rs2, true) &&
> + vext_check_overlap_group(a->rd, 1 << s->lmul, a->rs2,
> + 2 << s->lmul) &&
> + (s->lmul < 0x3) && (s->sew < 0x3));
> +}
> +
> +/* OPIVX with NARROW */
> +#define GEN_OPIVX_NARROW_TRANS(NAME) \
> +static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \
> +{ \
> + if (opivx_narrow_check(s, a)) { \
> + static gen_helper_opivx * const fns[3] = { \
> + gen_helper_##NAME##_b, \
> + gen_helper_##NAME##_h, \
> + gen_helper_##NAME##_w, \
> + }; \
> + return opivx_trans(a->rd, a->rs1, a->rs2, a->vm, fns[s->sew], s);\
> + } \
> + return false; \
> +}
> +
> +GEN_OPIVX_NARROW_TRANS(vnsra_vx)
> +GEN_OPIVX_NARROW_TRANS(vnsrl_vx)
> +
> +/* OPIVI with NARROW */
> +#define GEN_OPIVI_NARROW_TRANS(NAME, ZX, OPIVX) \
> +static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \
> +{ \
> + if (opivx_narrow_check(s, a)) { \
> + static gen_helper_opivx * const fns[3] = { \
> + gen_helper_##OPIVX##_b, \
> + gen_helper_##OPIVX##_h, \
> + gen_helper_##OPIVX##_w, \
> + }; \
> + return opivi_trans(a->rd, a->rs1, a->rs2, a->vm, \
> + fns[s->sew], s, ZX); \
> + } \
> + return false; \
> +}
> +
> +GEN_OPIVI_NARROW_TRANS(vnsra_vi, 1, vnsra_vx)
> +GEN_OPIVI_NARROW_TRANS(vnsrl_vi, 1, vnsrl_vx)
> diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
> index c3518516f0..8d1f32a7ff 100644
> --- a/target/riscv/vector_helper.c
> +++ b/target/riscv/vector_helper.c
> @@ -1371,3 +1371,17 @@ GEN_VEXT_SHIFT_VX(vsra_vx_b, int8_t, int8_t, H1, H1, DO_SRL, 0x7, clearb)
> GEN_VEXT_SHIFT_VX(vsra_vx_h, int16_t, int16_t, H2, H2, DO_SRL, 0xf, clearh)
> GEN_VEXT_SHIFT_VX(vsra_vx_w, int32_t, int32_t, H4, H4, DO_SRL, 0x1f, clearl)
> GEN_VEXT_SHIFT_VX(vsra_vx_d, int64_t, int64_t, H8, H8, DO_SRL, 0x3f, clearq)
> +
> +/* Vector Narrowing Integer Right Shift Instructions */
> +GEN_VEXT_SHIFT_VV(vnsrl_vv_b, uint8_t, uint16_t, H1, H2, DO_SRL, 0xf, clearb)
> +GEN_VEXT_SHIFT_VV(vnsrl_vv_h, uint16_t, uint32_t, H2, H4, DO_SRL, 0x1f, clearh)
> +GEN_VEXT_SHIFT_VV(vnsrl_vv_w, uint32_t, uint64_t, H4, H8, DO_SRL, 0x3f, clearl)
> +GEN_VEXT_SHIFT_VV(vnsra_vv_b, uint8_t, int16_t, H1, H2, DO_SRL, 0xf, clearb)
> +GEN_VEXT_SHIFT_VV(vnsra_vv_h, uint16_t, int32_t, H2, H4, DO_SRL, 0x1f, clearh)
> +GEN_VEXT_SHIFT_VV(vnsra_vv_w, uint32_t, int64_t, H4, H8, DO_SRL, 0x3f, clearl)
> +GEN_VEXT_SHIFT_VX(vnsrl_vx_b, uint8_t, uint16_t, H1, H2, DO_SRL, 0xf, clearb)
> +GEN_VEXT_SHIFT_VX(vnsrl_vx_h, uint16_t, uint32_t, H2, H4, DO_SRL, 0x1f, clearh)
> +GEN_VEXT_SHIFT_VX(vnsrl_vx_w, uint32_t, uint64_t, H4, H8, DO_SRL, 0x3f, clearl)
> +GEN_VEXT_SHIFT_VX(vnsra_vx_b, int8_t, int16_t, H1, H2, DO_SRL, 0xf, clearb)
> +GEN_VEXT_SHIFT_VX(vnsra_vx_h, int16_t, int32_t, H2, H4, DO_SRL, 0x1f, clearh)
> +GEN_VEXT_SHIFT_VX(vnsra_vx_w, int32_t, int64_t, H4, H8, DO_SRL, 0x3f, clearl)
> --
> 2.23.0
>
next prev parent reply other threads:[~2020-03-20 18:52 UTC|newest]
Thread overview: 120+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-17 15:05 [PATCH v6 00/61] target/riscv: support vector extension v0.7.1 LIU Zhiwei
2020-03-17 15:05 ` [PATCH v6 01/61] target/riscv: add vector extension field in CPURISCVState LIU Zhiwei
2020-03-17 15:05 ` [PATCH v6 02/61] target/riscv: implementation-defined constant parameters LIU Zhiwei
2020-03-17 15:05 ` [PATCH v6 03/61] target/riscv: support vector extension csr LIU Zhiwei
2020-03-17 15:05 ` [PATCH v6 04/61] target/riscv: add vector configure instruction LIU Zhiwei
2020-03-23 6:51 ` Kito Cheng
2020-03-23 7:10 ` LIU Zhiwei
2020-03-17 15:05 ` [PATCH v6 05/61] target/riscv: add an internals.h header LIU Zhiwei
2020-03-18 23:45 ` Alistair Francis
2020-03-27 23:41 ` Richard Henderson
2020-03-17 15:05 ` [PATCH v6 06/61] target/riscv: add vector stride load and store instructions LIU Zhiwei
2020-03-18 23:54 ` Alistair Francis
2020-03-17 15:05 ` [PATCH v6 07/61] target/riscv: add vector index " LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 08/61] target/riscv: add fault-only-first unit stride load LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 09/61] target/riscv: add vector amo operations LIU Zhiwei
2020-03-19 17:01 ` Alistair Francis
2020-03-27 23:44 ` Richard Henderson
2020-03-17 15:06 ` [PATCH v6 10/61] target/riscv: vector single-width integer add and subtract LIU Zhiwei
2020-03-20 18:31 ` Alistair Francis
2020-03-27 23:54 ` Richard Henderson
2020-03-28 14:42 ` LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 11/61] target/riscv: vector widening " LIU Zhiwei
2020-03-19 16:28 ` Alistair Francis
2020-03-17 15:06 ` [PATCH v6 12/61] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions LIU Zhiwei
2020-03-19 17:29 ` Alistair Francis
2020-03-28 0:00 ` Richard Henderson
2020-03-17 15:06 ` [PATCH v6 13/61] target/riscv: vector bitwise logical instructions LIU Zhiwei
2020-03-20 18:34 ` Alistair Francis
2020-03-17 15:06 ` [PATCH v6 14/61] target/riscv: vector single-width bit shift instructions LIU Zhiwei
2020-03-19 20:10 ` Alistair Francis
2020-03-17 15:06 ` [PATCH v6 15/61] target/riscv: vector narrowing integer right " LIU Zhiwei
2020-03-20 18:43 ` Alistair Francis [this message]
2020-03-17 15:06 ` [PATCH v6 16/61] target/riscv: vector integer comparison instructions LIU Zhiwei
2020-03-25 17:32 ` Alistair Francis
2020-03-17 15:06 ` [PATCH v6 17/61] target/riscv: vector integer min/max instructions LIU Zhiwei
2020-03-20 18:49 ` Alistair Francis
2020-03-17 15:06 ` [PATCH v6 18/61] target/riscv: vector single-width integer multiply instructions LIU Zhiwei
2020-03-25 17:36 ` Alistair Francis
2020-03-28 0:06 ` Richard Henderson
2020-03-28 15:17 ` LIU Zhiwei
2020-03-28 15:47 ` Richard Henderson
2020-03-28 16:13 ` LIU Zhiwei
2020-03-29 4:00 ` LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 19/61] target/riscv: vector integer divide instructions LIU Zhiwei
2020-03-20 18:51 ` Alistair Francis
2020-03-17 15:06 ` [PATCH v6 20/61] target/riscv: vector widening integer multiply instructions LIU Zhiwei
2020-03-25 17:25 ` Alistair Francis
2020-03-17 15:06 ` [PATCH v6 21/61] target/riscv: vector single-width integer multiply-add instructions LIU Zhiwei
2020-03-25 17:27 ` Alistair Francis
2020-03-17 15:06 ` [PATCH v6 22/61] target/riscv: vector widening " LIU Zhiwei
2020-03-25 17:42 ` Alistair Francis
2020-03-17 15:06 ` [PATCH v6 23/61] target/riscv: vector integer merge and move instructions LIU Zhiwei
2020-03-26 17:57 ` Alistair Francis
2020-03-28 0:18 ` Richard Henderson
2020-03-17 15:06 ` [PATCH v6 24/61] target/riscv: vector single-width saturating add and subtract LIU Zhiwei
2020-03-28 0:20 ` Richard Henderson
2020-03-17 15:06 ` [PATCH v6 25/61] target/riscv: vector single-width averaging " LIU Zhiwei
2020-03-19 3:46 ` LIU Zhiwei
2020-03-28 0:32 ` Richard Henderson
2020-03-28 1:07 ` LIU Zhiwei
2020-03-28 1:22 ` Richard Henderson
2020-03-28 15:37 ` LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 26/61] target/riscv: vector single-width fractional multiply with rounding and saturation LIU Zhiwei
2020-03-28 1:08 ` Richard Henderson
2020-03-28 15:41 ` LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 27/61] target/riscv: vector widening saturating scaled multiply-add LIU Zhiwei
2020-03-28 1:23 ` Richard Henderson
2020-03-17 15:06 ` [PATCH v6 28/61] target/riscv: vector single-width scaling shift instructions LIU Zhiwei
2020-03-28 1:24 ` Richard Henderson
2020-03-17 15:06 ` [PATCH v6 29/61] target/riscv: vector narrowing fixed-point clip instructions LIU Zhiwei
2020-03-28 1:50 ` Richard Henderson
2020-03-17 15:06 ` [PATCH v6 30/61] target/riscv: vector single-width floating-point add/subtract instructions LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 31/61] target/riscv: vector widening " LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 32/61] target/riscv: vector single-width floating-point multiply/divide instructions LIU Zhiwei
2020-03-25 17:46 ` Alistair Francis
2020-03-17 15:06 ` [PATCH v6 33/61] target/riscv: vector widening floating-point multiply LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 34/61] target/riscv: vector single-width floating-point fused multiply-add instructions LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 35/61] target/riscv: vector widening " LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 36/61] target/riscv: vector floating-point square-root instruction LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 37/61] target/riscv: vector floating-point min/max instructions LIU Zhiwei
2020-03-25 17:47 ` Alistair Francis
2020-03-17 15:06 ` [PATCH v6 38/61] target/riscv: vector floating-point sign-injection instructions LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 39/61] target/riscv: vector floating-point compare instructions LIU Zhiwei
2020-03-28 2:01 ` Richard Henderson
2020-03-28 15:44 ` LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 40/61] target/riscv: vector floating-point classify instructions LIU Zhiwei
2020-03-28 2:06 ` Richard Henderson
2020-03-17 15:06 ` [PATCH v6 41/61] target/riscv: vector floating-point merge instructions LIU Zhiwei
2020-03-28 3:23 ` Richard Henderson
2020-03-28 15:47 ` LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 42/61] target/riscv: vector floating-point/integer type-convert instructions LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 43/61] target/riscv: widening " LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 44/61] target/riscv: narrowing " LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 45/61] target/riscv: vector single-width integer reduction instructions LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 46/61] target/riscv: vector wideing " LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 47/61] target/riscv: vector single-width floating-point " LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 48/61] target/riscv: vector widening " LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 49/61] target/riscv: vector mask-register logical instructions LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 50/61] target/riscv: vector mask population count vmpopc LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 51/61] target/riscv: vmfirst find-first-set mask bit LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 52/61] target/riscv: set-X-first " LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 53/61] target/riscv: vector iota instruction LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 54/61] target/riscv: vector element index instruction LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 55/61] target/riscv: integer extract instruction LIU Zhiwei
2020-03-28 3:36 ` Richard Henderson
2020-03-28 16:23 ` LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 56/61] target/riscv: integer scalar move instruction LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 57/61] target/riscv: floating-point scalar move instructions LIU Zhiwei
2020-03-28 3:44 ` Richard Henderson
2020-03-28 16:31 ` LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 58/61] target/riscv: vector slide instructions LIU Zhiwei
2020-03-28 3:50 ` Richard Henderson
2020-03-28 13:40 ` LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 59/61] target/riscv: vector register gather instruction LIU Zhiwei
2020-03-28 3:57 ` Richard Henderson
2020-03-17 15:06 ` [PATCH v6 60/61] target/riscv: vector compress instruction LIU Zhiwei
2020-03-17 15:06 ` [PATCH v6 61/61] target/riscv: configure and turn on vector extension from command line LIU Zhiwei
2020-03-25 17:49 ` Alistair Francis
2020-03-28 4:00 ` Richard Henderson
2020-03-17 20:47 ` [PATCH v6 00/61] target/riscv: support vector extension v0.7.1 no-reply
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