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 32/61] target/riscv: vector single-width floating-point multiply/divide instructions
Date: Wed, 25 Mar 2020 10:46:42 -0700 [thread overview]
Message-ID: <CAKmqyKMBOsiuMwBEo2GCARvJqDmvRJ9ec5ie-ZghHoUAEg_q7Q@mail.gmail.com> (raw)
In-Reply-To: <20200317150653.9008-33-zhiwei_liu@c-sky.com>
On Tue, Mar 17, 2020 at 9:11 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 | 16 +++++++++
> target/riscv/insn32.decode | 5 +++
> target/riscv/insn_trans/trans_rvv.inc.c | 7 ++++
> target/riscv/vector_helper.c | 48 +++++++++++++++++++++++++
> 4 files changed, 76 insertions(+)
>
> diff --git a/target/riscv/helper.h b/target/riscv/helper.h
> index 384d661283..abd0bbd2fc 100644
> --- a/target/riscv/helper.h
> +++ b/target/riscv/helper.h
> @@ -826,3 +826,19 @@ DEF_HELPER_6(vfwadd_wf_h, void, ptr, ptr, i64, ptr, env, i32)
> DEF_HELPER_6(vfwadd_wf_w, void, ptr, ptr, i64, ptr, env, i32)
> DEF_HELPER_6(vfwsub_wf_h, void, ptr, ptr, i64, ptr, env, i32)
> DEF_HELPER_6(vfwsub_wf_w, void, ptr, ptr, i64, ptr, env, i32)
> +
> +DEF_HELPER_6(vfmul_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vfmul_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vfmul_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vfdiv_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vfdiv_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vfdiv_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vfmul_vf_h, void, ptr, ptr, i64, ptr, env, i32)
> +DEF_HELPER_6(vfmul_vf_w, void, ptr, ptr, i64, ptr, env, i32)
> +DEF_HELPER_6(vfmul_vf_d, void, ptr, ptr, i64, ptr, env, i32)
> +DEF_HELPER_6(vfdiv_vf_h, void, ptr, ptr, i64, ptr, env, i32)
> +DEF_HELPER_6(vfdiv_vf_w, void, ptr, ptr, i64, ptr, env, i32)
> +DEF_HELPER_6(vfdiv_vf_d, void, ptr, ptr, i64, ptr, env, i32)
> +DEF_HELPER_6(vfrdiv_vf_h, void, ptr, ptr, i64, ptr, env, i32)
> +DEF_HELPER_6(vfrdiv_vf_w, void, ptr, ptr, i64, ptr, env, i32)
> +DEF_HELPER_6(vfrdiv_vf_d, void, ptr, ptr, i64, ptr, env, i32)
> diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
> index 68e9448842..16fd938261 100644
> --- a/target/riscv/insn32.decode
> +++ b/target/riscv/insn32.decode
> @@ -456,6 +456,11 @@ vfwsub_vv 110010 . ..... ..... 001 ..... 1010111 @r_vm
> vfwsub_vf 110010 . ..... ..... 101 ..... 1010111 @r_vm
> vfwsub_wv 110110 . ..... ..... 001 ..... 1010111 @r_vm
> vfwsub_wf 110110 . ..... ..... 101 ..... 1010111 @r_vm
> +vfmul_vv 100100 . ..... ..... 001 ..... 1010111 @r_vm
> +vfmul_vf 100100 . ..... ..... 101 ..... 1010111 @r_vm
> +vfdiv_vv 100000 . ..... ..... 001 ..... 1010111 @r_vm
> +vfdiv_vf 100000 . ..... ..... 101 ..... 1010111 @r_vm
> +vfrdiv_vf 100001 . ..... ..... 101 ..... 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 5ec5debc09..f6864b42bb 100644
> --- a/target/riscv/insn_trans/trans_rvv.inc.c
> +++ b/target/riscv/insn_trans/trans_rvv.inc.c
> @@ -1910,3 +1910,10 @@ static bool trans_##NAME(DisasContext *s, arg_rmrr *a) \
> }
> GEN_OPFWF_WIDEN_TRANS(vfwadd_wf)
> GEN_OPFWF_WIDEN_TRANS(vfwsub_wf)
> +
> +/* Vector Single-Width Floating-Point Multiply/Divide Instructions */
> +GEN_OPFVV_TRANS(vfmul_vv, opfvv_check)
> +GEN_OPFVV_TRANS(vfdiv_vv, opfvv_check)
> +GEN_OPFVF_TRANS(vfmul_vf, opfvf_check)
> +GEN_OPFVF_TRANS(vfdiv_vf, opfvf_check)
> +GEN_OPFVF_TRANS(vfrdiv_vf, opfvf_check)
> diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
> index 16ba9148fb..f5f5897d12 100644
> --- a/target/riscv/vector_helper.c
> +++ b/target/riscv/vector_helper.c
> @@ -3343,3 +3343,51 @@ RVVCALL(OPFVF2, vfwsub_wf_h, WOP_WUUU_H, H4, H2, vfwsubw16)
> RVVCALL(OPFVF2, vfwsub_wf_w, WOP_WUUU_W, H8, H4, vfwsubw32)
> GEN_VEXT_VF(vfwsub_wf_h, 2, 4, clearl)
> GEN_VEXT_VF(vfwsub_wf_w, 4, 8, clearq)
> +
> +/* Vector Single-Width Floating-Point Multiply/Divide Instructions */
> +RVVCALL(OPFVV2, vfmul_vv_h, OP_UUU_H, H2, H2, H2, float16_mul)
> +RVVCALL(OPFVV2, vfmul_vv_w, OP_UUU_W, H4, H4, H4, float32_mul)
> +RVVCALL(OPFVV2, vfmul_vv_d, OP_UUU_D, H8, H8, H8, float64_mul)
> +GEN_VEXT_VV_ENV(vfmul_vv_h, 2, 2, clearh)
> +GEN_VEXT_VV_ENV(vfmul_vv_w, 4, 4, clearl)
> +GEN_VEXT_VV_ENV(vfmul_vv_d, 8, 8, clearq)
> +RVVCALL(OPFVF2, vfmul_vf_h, OP_UUU_H, H2, H2, float16_mul)
> +RVVCALL(OPFVF2, vfmul_vf_w, OP_UUU_W, H4, H4, float32_mul)
> +RVVCALL(OPFVF2, vfmul_vf_d, OP_UUU_D, H8, H8, float64_mul)
> +GEN_VEXT_VF(vfmul_vf_h, 2, 2, clearh)
> +GEN_VEXT_VF(vfmul_vf_w, 4, 4, clearl)
> +GEN_VEXT_VF(vfmul_vf_d, 8, 8, clearq)
> +
> +RVVCALL(OPFVV2, vfdiv_vv_h, OP_UUU_H, H2, H2, H2, float16_div)
> +RVVCALL(OPFVV2, vfdiv_vv_w, OP_UUU_W, H4, H4, H4, float32_div)
> +RVVCALL(OPFVV2, vfdiv_vv_d, OP_UUU_D, H8, H8, H8, float64_div)
> +GEN_VEXT_VV_ENV(vfdiv_vv_h, 2, 2, clearh)
> +GEN_VEXT_VV_ENV(vfdiv_vv_w, 4, 4, clearl)
> +GEN_VEXT_VV_ENV(vfdiv_vv_d, 8, 8, clearq)
> +RVVCALL(OPFVF2, vfdiv_vf_h, OP_UUU_H, H2, H2, float16_div)
> +RVVCALL(OPFVF2, vfdiv_vf_w, OP_UUU_W, H4, H4, float32_div)
> +RVVCALL(OPFVF2, vfdiv_vf_d, OP_UUU_D, H8, H8, float64_div)
> +GEN_VEXT_VF(vfdiv_vf_h, 2, 2, clearh)
> +GEN_VEXT_VF(vfdiv_vf_w, 4, 4, clearl)
> +GEN_VEXT_VF(vfdiv_vf_d, 8, 8, clearq)
> +
> +static uint16_t float16_rdiv(uint16_t a, uint16_t b, float_status *s)
> +{
> + return float16_div(b, a, s);
> +}
> +
> +static uint32_t float32_rdiv(uint32_t a, uint32_t b, float_status *s)
> +{
> + return float32_div(b, a, s);
> +}
> +
> +static uint64_t float64_rdiv(uint64_t a, uint64_t b, float_status *s)
> +{
> + return float64_div(b, a, s);
> +}
> +RVVCALL(OPFVF2, vfrdiv_vf_h, OP_UUU_H, H2, H2, float16_rdiv)
> +RVVCALL(OPFVF2, vfrdiv_vf_w, OP_UUU_W, H4, H4, float32_rdiv)
> +RVVCALL(OPFVF2, vfrdiv_vf_d, OP_UUU_D, H8, H8, float64_rdiv)
> +GEN_VEXT_VF(vfrdiv_vf_h, 2, 2, clearh)
> +GEN_VEXT_VF(vfrdiv_vf_w, 4, 4, clearl)
> +GEN_VEXT_VF(vfrdiv_vf_d, 8, 8, clearq)
> --
> 2.23.0
>
next prev parent reply other threads:[~2020-03-25 17:55 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
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 [this message]
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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=CAKmqyKMBOsiuMwBEo2GCARvJqDmvRJ9ec5ie-ZghHoUAEg_q7Q@mail.gmail.com \
--to=alistair23@gmail.com \
--cc=chihmin.chao@sifive.com \
--cc=guoren@linux.alibaba.com \
--cc=palmer@dabbelt.com \
--cc=qemu-devel@nongnu.org \
--cc=qemu-riscv@nongnu.org \
--cc=richard.henderson@linaro.org \
--cc=wenmeng_zhang@c-sky.com \
--cc=wxy194768@alibaba-inc.com \
--cc=zhiwei_liu@c-sky.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).