[v6,19/61] target/riscv: vector integer divide instructions

Message ID	20200317150653.9008-20-zhiwei_liu@c-sky.com
State	New
Headers	show Return-Path: <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org> From: LIU Zhiwei <zhiwei_liu@c-sky.com> To: richard.henderson@linaro.org, alistair23@gmail.com, chihmin.chao@sifive.com, palmer@dabbelt.com Subject: [PATCH v6 19/61] target/riscv: vector integer divide instructions Date: Tue, 17 Mar 2020 23:06:11 +0800 Message-Id: <20200317150653.9008-20-zhiwei_liu@c-sky.com> In-Reply-To: <20200317150653.9008-1-zhiwei_liu@c-sky.com> References: <20200317150653.9008-1-zhiwei_liu@c-sky.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: list Cc: guoren@linux.alibaba.com, qemu-riscv@nongnu.org, qemu-devel@nongnu.org, wxy194768@alibaba-inc.com, wenmeng_zhang@c-sky.com, LIU Zhiwei <zhiwei_liu@c-sky.com> Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" <qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>
Series	target/riscv: support vector extension v0.7.1 \| expand [v6,00/61] target/riscv: support vector extension v0.7.1 [v6,01/61] target/riscv: add vector extension field in CPURISCVState [v6,02/61] target/riscv: implementation-defined constant parameters [v6,03/61] target/riscv: support vector extension csr [v6,04/61] target/riscv: add vector configure instruction [v6,05/61] target/riscv: add an internals.h header [v6,06/61] target/riscv: add vector stride load and store instructions [v6,07/61] target/riscv: add vector index load and store instructions [v6,08/61] target/riscv: add fault-only-first unit stride load [v6,09/61] target/riscv: add vector amo operations [v6,10/61] target/riscv: vector single-width integer add and subtract [v6,11/61] target/riscv: vector widening integer add and subtract [v6,12/61] target/riscv: vector integer add-with-carry / subtract-with-borrow instructions [v6,13/61] target/riscv: vector bitwise logical instructions [v6,14/61] target/riscv: vector single-width bit shift instructions [v6,15/61] target/riscv: vector narrowing integer right shift instructions [v6,16/61] target/riscv: vector integer comparison instructions [v6,17/61] target/riscv: vector integer min/max instructions [v6,18/61] target/riscv: vector single-width integer multiply instructions [v6,19/61] target/riscv: vector integer divide instructions [v6,20/61] target/riscv: vector widening integer multiply instructions [v6,21/61] target/riscv: vector single-width integer multiply-add instructions [v6,22/61] target/riscv: vector widening integer multiply-add instructions [v6,23/61] target/riscv: vector integer merge and move instructions [v6,24/61] target/riscv: vector single-width saturating add and subtract [v6,25/61] target/riscv: vector single-width averaging add and subtract [v6,26/61] target/riscv: vector single-width fractional multiply with rounding and saturation [v6,27/61] target/riscv: vector widening saturating scaled multiply-add [v6,28/61] target/riscv: vector single-width scaling shift instructions [v6,29/61] target/riscv: vector narrowing fixed-point clip instructions [v6,30/61] target/riscv: vector single-width floating-point add/subtract instructions [v6,31/61] target/riscv: vector widening floating-point add/subtract instructions [v6,32/61] target/riscv: vector single-width floating-point multiply/divide instructions [v6,33/61] target/riscv: vector widening floating-point multiply [v6,34/61] target/riscv: vector single-width floating-point fused multiply-add instructions [v6,35/61] target/riscv: vector widening floating-point fused multiply-add instructions [v6,36/61] target/riscv: vector floating-point square-root instruction [v6,37/61] target/riscv: vector floating-point min/max instructions [v6,38/61] target/riscv: vector floating-point sign-injection instructions [v6,39/61] target/riscv: vector floating-point compare instructions [v6,40/61] target/riscv: vector floating-point classify instructions [v6,41/61] target/riscv: vector floating-point merge instructions [v6,42/61] target/riscv: vector floating-point/integer type-convert instructions [v6,43/61] target/riscv: widening floating-point/integer type-convert instructions [v6,44/61] target/riscv: narrowing floating-point/integer type-convert instructions [v6,45/61] target/riscv: vector single-width integer reduction instructions [v6,46/61] target/riscv: vector wideing integer reduction instructions [v6,47/61] target/riscv: vector single-width floating-point reduction instructions [v6,48/61] target/riscv: vector widening floating-point reduction instructions [v6,49/61] target/riscv: vector mask-register logical instructions [v6,50/61] target/riscv: vector mask population count vmpopc [v6,51/61] target/riscv: vmfirst find-first-set mask bit [v6,52/61] target/riscv: set-X-first mask bit [v6,53/61] target/riscv: vector iota instruction [v6,54/61] target/riscv: vector element index instruction [v6,55/61] target/riscv: integer extract instruction [v6,56/61] target/riscv: integer scalar move instruction [v6,57/61] target/riscv: floating-point scalar move instructions [v6,58/61] target/riscv: vector slide instructions [v6,59/61] target/riscv: vector register gather instruction [v6,60/61] target/riscv: vector compress instruction [v6,61/61] target/riscv: configure and turn on vector extension from command line

Message ID

20200317150653.9008-20-zhiwei_liu@c-sky.com

State

New

Headers

From: LIU Zhiwei <zhiwei_liu@c-sky.com>
To: richard.henderson@linaro.org, alistair23@gmail.com,
	chihmin.chao@sifive.com, palmer@dabbelt.com
Subject: [PATCH v6 19/61] target/riscv: vector integer divide instructions
Date: Tue, 17 Mar 2020 23:06:11 +0800
Message-Id: <20200317150653.9008-20-zhiwei_liu@c-sky.com>
In-Reply-To: <20200317150653.9008-1-zhiwei_liu@c-sky.com>
References: <20200317150653.9008-1-zhiwei_liu@c-sky.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: list
Cc: guoren@linux.alibaba.com, qemu-riscv@nongnu.org, qemu-devel@nongnu.org, 
	wxy194768@alibaba-inc.com, wenmeng_zhang@c-sky.com,
	LIU Zhiwei <zhiwei_liu@c-sky.com>
Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org
Sender: "Qemu-devel"
	<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>

Series

target/riscv: support vector extension v0.7.1 | expand

Commit Message

LIU Zhiwei March 17, 2020, 3:06 p.m. UTC

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/riscv/helper.h                   | 33 +++++++++++
 target/riscv/insn32.decode              |  8 +++
 target/riscv/insn_trans/trans_rvv.inc.c | 10 ++++
 target/riscv/vector_helper.c            | 74 +++++++++++++++++++++++++
 4 files changed, 125 insertions(+)

Comments

Alistair Francis March 20, 2020, 6:51 p.m. UTC | #1

On Tue, Mar 17, 2020 at 8:45 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                   | 33 +++++++++++
>  target/riscv/insn32.decode              |  8 +++
>  target/riscv/insn_trans/trans_rvv.inc.c | 10 ++++
>  target/riscv/vector_helper.c            | 74 +++++++++++++++++++++++++
>  4 files changed, 125 insertions(+)
>
> diff --git a/target/riscv/helper.h b/target/riscv/helper.h
> index f42a12eef3..357f149198 100644
> --- a/target/riscv/helper.h
> +++ b/target/riscv/helper.h
> @@ -558,3 +558,36 @@ DEF_HELPER_6(vmulhsu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
>  DEF_HELPER_6(vmulhsu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
>  DEF_HELPER_6(vmulhsu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
>  DEF_HELPER_6(vmulhsu_vx_d, void, ptr, ptr, tl, ptr, env, i32)
> +
> +DEF_HELPER_6(vdivu_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vdivu_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vdivu_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vdivu_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vdiv_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vdiv_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vdiv_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vdiv_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vremu_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vremu_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vremu_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vremu_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vrem_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vrem_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vrem_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vrem_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
> +DEF_HELPER_6(vdivu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vdivu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vdivu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vdivu_vx_d, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vdiv_vx_b, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vdiv_vx_h, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vdiv_vx_w, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vdiv_vx_d, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vremu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vremu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vremu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vremu_vx_d, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vrem_vx_b, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vrem_vx_h, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vrem_vx_w, void, ptr, ptr, tl, ptr, env, i32)
> +DEF_HELPER_6(vrem_vx_d, void, ptr, ptr, tl, ptr, env, i32)
> diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
> index abfed469bc..7fb8f8fad8 100644
> --- a/target/riscv/insn32.decode
> +++ b/target/riscv/insn32.decode
> @@ -371,6 +371,14 @@ vmulhu_vv       100100 . ..... ..... 010 ..... 1010111 @r_vm
>  vmulhu_vx       100100 . ..... ..... 110 ..... 1010111 @r_vm
>  vmulhsu_vv      100110 . ..... ..... 010 ..... 1010111 @r_vm
>  vmulhsu_vx      100110 . ..... ..... 110 ..... 1010111 @r_vm
> +vdivu_vv        100000 . ..... ..... 010 ..... 1010111 @r_vm
> +vdivu_vx        100000 . ..... ..... 110 ..... 1010111 @r_vm
> +vdiv_vv         100001 . ..... ..... 010 ..... 1010111 @r_vm
> +vdiv_vx         100001 . ..... ..... 110 ..... 1010111 @r_vm
> +vremu_vv        100010 . ..... ..... 010 ..... 1010111 @r_vm
> +vremu_vx        100010 . ..... ..... 110 ..... 1010111 @r_vm
> +vrem_vv         100011 . ..... ..... 010 ..... 1010111 @r_vm
> +vrem_vx         100011 . ..... ..... 110 ..... 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 c276beabd6..ed53eaaef5 100644
> --- a/target/riscv/insn_trans/trans_rvv.inc.c
> +++ b/target/riscv/insn_trans/trans_rvv.inc.c
> @@ -1462,3 +1462,13 @@ GEN_OPIVX_GVEC_TRANS(vmul_vx,  muls)
>  GEN_OPIVX_TRANS(vmulh_vx, opivx_check)
>  GEN_OPIVX_TRANS(vmulhu_vx, opivx_check)
>  GEN_OPIVX_TRANS(vmulhsu_vx, opivx_check)
> +
> +/* Vector Integer Divide Instructions */
> +GEN_OPIVV_TRANS(vdivu_vv, opivv_check)
> +GEN_OPIVV_TRANS(vdiv_vv, opivv_check)
> +GEN_OPIVV_TRANS(vremu_vv, opivv_check)
> +GEN_OPIVV_TRANS(vrem_vv, opivv_check)
> +GEN_OPIVX_TRANS(vdivu_vx, opivx_check)
> +GEN_OPIVX_TRANS(vdiv_vx, opivx_check)
> +GEN_OPIVX_TRANS(vremu_vx, opivx_check)
> +GEN_OPIVX_TRANS(vrem_vx, opivx_check)
> diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
> index 56ba9a7422..4fc7a08954 100644
> --- a/target/riscv/vector_helper.c
> +++ b/target/riscv/vector_helper.c
> @@ -1741,3 +1741,77 @@ GEN_VEXT_VX(vmulhsu_vx_b, 1, 1, clearb)
>  GEN_VEXT_VX(vmulhsu_vx_h, 2, 2, clearh)
>  GEN_VEXT_VX(vmulhsu_vx_w, 4, 4, clearl)
>  GEN_VEXT_VX(vmulhsu_vx_d, 8, 8, clearq)
> +
> +/* Vector Integer Divide Instructions */
> +#define DO_DIVU(N, M) (unlikely(M == 0) ? (__typeof(N))(-1) : N / M)
> +#define DO_REMU(N, M) (unlikely(M == 0) ? N : N % M)
> +#define DO_DIV(N, M)  (unlikely(M == 0) ? (__typeof(N))(-1) :\
> +        unlikely((N == -N) && (M == (__typeof(N))(-1))) ? N : N / M)
> +#define DO_REM(N, M)  (unlikely(M == 0) ? N :\
> +        unlikely((N == -N) && (M == (__typeof(N))(-1))) ? 0 : N % M)
> +
> +RVVCALL(OPIVV2, vdivu_vv_b, OP_UUU_B, H1, H1, H1, DO_DIVU)
> +RVVCALL(OPIVV2, vdivu_vv_h, OP_UUU_H, H2, H2, H2, DO_DIVU)
> +RVVCALL(OPIVV2, vdivu_vv_w, OP_UUU_W, H4, H4, H4, DO_DIVU)
> +RVVCALL(OPIVV2, vdivu_vv_d, OP_UUU_D, H8, H8, H8, DO_DIVU)
> +RVVCALL(OPIVV2, vdiv_vv_b, OP_SSS_B, H1, H1, H1, DO_DIV)
> +RVVCALL(OPIVV2, vdiv_vv_h, OP_SSS_H, H2, H2, H2, DO_DIV)
> +RVVCALL(OPIVV2, vdiv_vv_w, OP_SSS_W, H4, H4, H4, DO_DIV)
> +RVVCALL(OPIVV2, vdiv_vv_d, OP_SSS_D, H8, H8, H8, DO_DIV)
> +RVVCALL(OPIVV2, vremu_vv_b, OP_UUU_B, H1, H1, H1, DO_REMU)
> +RVVCALL(OPIVV2, vremu_vv_h, OP_UUU_H, H2, H2, H2, DO_REMU)
> +RVVCALL(OPIVV2, vremu_vv_w, OP_UUU_W, H4, H4, H4, DO_REMU)
> +RVVCALL(OPIVV2, vremu_vv_d, OP_UUU_D, H8, H8, H8, DO_REMU)
> +RVVCALL(OPIVV2, vrem_vv_b, OP_SSS_B, H1, H1, H1, DO_REM)
> +RVVCALL(OPIVV2, vrem_vv_h, OP_SSS_H, H2, H2, H2, DO_REM)
> +RVVCALL(OPIVV2, vrem_vv_w, OP_SSS_W, H4, H4, H4, DO_REM)
> +RVVCALL(OPIVV2, vrem_vv_d, OP_SSS_D, H8, H8, H8, DO_REM)
> +GEN_VEXT_VV(vdivu_vv_b, 1, 1, clearb)
> +GEN_VEXT_VV(vdivu_vv_h, 2, 2, clearh)
> +GEN_VEXT_VV(vdivu_vv_w, 4, 4, clearl)
> +GEN_VEXT_VV(vdivu_vv_d, 8, 8, clearq)
> +GEN_VEXT_VV(vdiv_vv_b, 1, 1, clearb)
> +GEN_VEXT_VV(vdiv_vv_h, 2, 2, clearh)
> +GEN_VEXT_VV(vdiv_vv_w, 4, 4, clearl)
> +GEN_VEXT_VV(vdiv_vv_d, 8, 8, clearq)
> +GEN_VEXT_VV(vremu_vv_b, 1, 1, clearb)
> +GEN_VEXT_VV(vremu_vv_h, 2, 2, clearh)
> +GEN_VEXT_VV(vremu_vv_w, 4, 4, clearl)
> +GEN_VEXT_VV(vremu_vv_d, 8, 8, clearq)
> +GEN_VEXT_VV(vrem_vv_b, 1, 1, clearb)
> +GEN_VEXT_VV(vrem_vv_h, 2, 2, clearh)
> +GEN_VEXT_VV(vrem_vv_w, 4, 4, clearl)
> +GEN_VEXT_VV(vrem_vv_d, 8, 8, clearq)
> +
> +RVVCALL(OPIVX2, vdivu_vx_b, OP_UUU_B, H1, H1, DO_DIVU)
> +RVVCALL(OPIVX2, vdivu_vx_h, OP_UUU_H, H2, H2, DO_DIVU)
> +RVVCALL(OPIVX2, vdivu_vx_w, OP_UUU_W, H4, H4, DO_DIVU)
> +RVVCALL(OPIVX2, vdivu_vx_d, OP_UUU_D, H8, H8, DO_DIVU)
> +RVVCALL(OPIVX2, vdiv_vx_b, OP_SSS_B, H1, H1, DO_DIV)
> +RVVCALL(OPIVX2, vdiv_vx_h, OP_SSS_H, H2, H2, DO_DIV)
> +RVVCALL(OPIVX2, vdiv_vx_w, OP_SSS_W, H4, H4, DO_DIV)
> +RVVCALL(OPIVX2, vdiv_vx_d, OP_SSS_D, H8, H8, DO_DIV)
> +RVVCALL(OPIVX2, vremu_vx_b, OP_UUU_B, H1, H1, DO_REMU)
> +RVVCALL(OPIVX2, vremu_vx_h, OP_UUU_H, H2, H2, DO_REMU)
> +RVVCALL(OPIVX2, vremu_vx_w, OP_UUU_W, H4, H4, DO_REMU)
> +RVVCALL(OPIVX2, vremu_vx_d, OP_UUU_D, H8, H8, DO_REMU)
> +RVVCALL(OPIVX2, vrem_vx_b, OP_SSS_B, H1, H1, DO_REM)
> +RVVCALL(OPIVX2, vrem_vx_h, OP_SSS_H, H2, H2, DO_REM)
> +RVVCALL(OPIVX2, vrem_vx_w, OP_SSS_W, H4, H4, DO_REM)
> +RVVCALL(OPIVX2, vrem_vx_d, OP_SSS_D, H8, H8, DO_REM)
> +GEN_VEXT_VX(vdivu_vx_b, 1, 1, clearb)
> +GEN_VEXT_VX(vdivu_vx_h, 2, 2, clearh)
> +GEN_VEXT_VX(vdivu_vx_w, 4, 4, clearl)
> +GEN_VEXT_VX(vdivu_vx_d, 8, 8, clearq)
> +GEN_VEXT_VX(vdiv_vx_b, 1, 1, clearb)
> +GEN_VEXT_VX(vdiv_vx_h, 2, 2, clearh)
> +GEN_VEXT_VX(vdiv_vx_w, 4, 4, clearl)
> +GEN_VEXT_VX(vdiv_vx_d, 8, 8, clearq)
> +GEN_VEXT_VX(vremu_vx_b, 1, 1, clearb)
> +GEN_VEXT_VX(vremu_vx_h, 2, 2, clearh)
> +GEN_VEXT_VX(vremu_vx_w, 4, 4, clearl)
> +GEN_VEXT_VX(vremu_vx_d, 8, 8, clearq)
> +GEN_VEXT_VX(vrem_vx_b, 1, 1, clearb)
> +GEN_VEXT_VX(vrem_vx_h, 2, 2, clearh)
> +GEN_VEXT_VX(vrem_vx_w, 4, 4, clearl)
> +GEN_VEXT_VX(vrem_vx_d, 8, 8, clearq)
> --
> 2.23.0
>

diff --git a/target/riscv/helper.h b/target/riscv/helper.h
index f42a12eef3..357f149198 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -558,3 +558,36 @@  DEF_HELPER_6(vmulhsu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
 DEF_HELPER_6(vmulhsu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
 DEF_HELPER_6(vmulhsu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
 DEF_HELPER_6(vmulhsu_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+
+DEF_HELPER_6(vdivu_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdivu_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdivu_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdivu_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdiv_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdiv_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdiv_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdiv_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vremu_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vremu_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vremu_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vremu_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vrem_vv_b, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vrem_vv_h, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vrem_vv_w, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vrem_vv_d, void, ptr, ptr, ptr, ptr, env, i32)
+DEF_HELPER_6(vdivu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vdivu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vdivu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vdivu_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vdiv_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vdiv_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vdiv_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vdiv_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vremu_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vremu_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vremu_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vremu_vx_d, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vrem_vx_b, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vrem_vx_h, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vrem_vx_w, void, ptr, ptr, tl, ptr, env, i32)
+DEF_HELPER_6(vrem_vx_d, void, ptr, ptr, tl, ptr, env, i32)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index abfed469bc..7fb8f8fad8 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -371,6 +371,14 @@  vmulhu_vv       100100 . ..... ..... 010 ..... 1010111 @r_vm
 vmulhu_vx       100100 . ..... ..... 110 ..... 1010111 @r_vm
 vmulhsu_vv      100110 . ..... ..... 010 ..... 1010111 @r_vm
 vmulhsu_vx      100110 . ..... ..... 110 ..... 1010111 @r_vm
+vdivu_vv        100000 . ..... ..... 010 ..... 1010111 @r_vm
+vdivu_vx        100000 . ..... ..... 110 ..... 1010111 @r_vm
+vdiv_vv         100001 . ..... ..... 010 ..... 1010111 @r_vm
+vdiv_vx         100001 . ..... ..... 110 ..... 1010111 @r_vm
+vremu_vv        100010 . ..... ..... 010 ..... 1010111 @r_vm
+vremu_vx        100010 . ..... ..... 110 ..... 1010111 @r_vm
+vrem_vv         100011 . ..... ..... 010 ..... 1010111 @r_vm
+vrem_vx         100011 . ..... ..... 110 ..... 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 c276beabd6..ed53eaaef5 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -1462,3 +1462,13 @@  GEN_OPIVX_GVEC_TRANS(vmul_vx,  muls)
 GEN_OPIVX_TRANS(vmulh_vx, opivx_check)
 GEN_OPIVX_TRANS(vmulhu_vx, opivx_check)
 GEN_OPIVX_TRANS(vmulhsu_vx, opivx_check)
+
+/* Vector Integer Divide Instructions */
+GEN_OPIVV_TRANS(vdivu_vv, opivv_check)
+GEN_OPIVV_TRANS(vdiv_vv, opivv_check)
+GEN_OPIVV_TRANS(vremu_vv, opivv_check)
+GEN_OPIVV_TRANS(vrem_vv, opivv_check)
+GEN_OPIVX_TRANS(vdivu_vx, opivx_check)
+GEN_OPIVX_TRANS(vdiv_vx, opivx_check)
+GEN_OPIVX_TRANS(vremu_vx, opivx_check)
+GEN_OPIVX_TRANS(vrem_vx, opivx_check)
diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c
index 56ba9a7422..4fc7a08954 100644
--- a/target/riscv/vector_helper.c
+++ b/target/riscv/vector_helper.c
@@ -1741,3 +1741,77 @@  GEN_VEXT_VX(vmulhsu_vx_b, 1, 1, clearb)
 GEN_VEXT_VX(vmulhsu_vx_h, 2, 2, clearh)
 GEN_VEXT_VX(vmulhsu_vx_w, 4, 4, clearl)
 GEN_VEXT_VX(vmulhsu_vx_d, 8, 8, clearq)
+
+/* Vector Integer Divide Instructions */
+#define DO_DIVU(N, M) (unlikely(M == 0) ? (__typeof(N))(-1) : N / M)
+#define DO_REMU(N, M) (unlikely(M == 0) ? N : N % M)
+#define DO_DIV(N, M)  (unlikely(M == 0) ? (__typeof(N))(-1) :\
+        unlikely((N == -N) && (M == (__typeof(N))(-1))) ? N : N / M)
+#define DO_REM(N, M)  (unlikely(M == 0) ? N :\
+        unlikely((N == -N) && (M == (__typeof(N))(-1))) ? 0 : N % M)
+
+RVVCALL(OPIVV2, vdivu_vv_b, OP_UUU_B, H1, H1, H1, DO_DIVU)
+RVVCALL(OPIVV2, vdivu_vv_h, OP_UUU_H, H2, H2, H2, DO_DIVU)
+RVVCALL(OPIVV2, vdivu_vv_w, OP_UUU_W, H4, H4, H4, DO_DIVU)
+RVVCALL(OPIVV2, vdivu_vv_d, OP_UUU_D, H8, H8, H8, DO_DIVU)
+RVVCALL(OPIVV2, vdiv_vv_b, OP_SSS_B, H1, H1, H1, DO_DIV)
+RVVCALL(OPIVV2, vdiv_vv_h, OP_SSS_H, H2, H2, H2, DO_DIV)
+RVVCALL(OPIVV2, vdiv_vv_w, OP_SSS_W, H4, H4, H4, DO_DIV)
+RVVCALL(OPIVV2, vdiv_vv_d, OP_SSS_D, H8, H8, H8, DO_DIV)
+RVVCALL(OPIVV2, vremu_vv_b, OP_UUU_B, H1, H1, H1, DO_REMU)
+RVVCALL(OPIVV2, vremu_vv_h, OP_UUU_H, H2, H2, H2, DO_REMU)
+RVVCALL(OPIVV2, vremu_vv_w, OP_UUU_W, H4, H4, H4, DO_REMU)
+RVVCALL(OPIVV2, vremu_vv_d, OP_UUU_D, H8, H8, H8, DO_REMU)
+RVVCALL(OPIVV2, vrem_vv_b, OP_SSS_B, H1, H1, H1, DO_REM)
+RVVCALL(OPIVV2, vrem_vv_h, OP_SSS_H, H2, H2, H2, DO_REM)
+RVVCALL(OPIVV2, vrem_vv_w, OP_SSS_W, H4, H4, H4, DO_REM)
+RVVCALL(OPIVV2, vrem_vv_d, OP_SSS_D, H8, H8, H8, DO_REM)
+GEN_VEXT_VV(vdivu_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vdivu_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vdivu_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vdivu_vv_d, 8, 8, clearq)
+GEN_VEXT_VV(vdiv_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vdiv_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vdiv_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vdiv_vv_d, 8, 8, clearq)
+GEN_VEXT_VV(vremu_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vremu_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vremu_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vremu_vv_d, 8, 8, clearq)
+GEN_VEXT_VV(vrem_vv_b, 1, 1, clearb)
+GEN_VEXT_VV(vrem_vv_h, 2, 2, clearh)
+GEN_VEXT_VV(vrem_vv_w, 4, 4, clearl)
+GEN_VEXT_VV(vrem_vv_d, 8, 8, clearq)
+
+RVVCALL(OPIVX2, vdivu_vx_b, OP_UUU_B, H1, H1, DO_DIVU)
+RVVCALL(OPIVX2, vdivu_vx_h, OP_UUU_H, H2, H2, DO_DIVU)
+RVVCALL(OPIVX2, vdivu_vx_w, OP_UUU_W, H4, H4, DO_DIVU)
+RVVCALL(OPIVX2, vdivu_vx_d, OP_UUU_D, H8, H8, DO_DIVU)
+RVVCALL(OPIVX2, vdiv_vx_b, OP_SSS_B, H1, H1, DO_DIV)
+RVVCALL(OPIVX2, vdiv_vx_h, OP_SSS_H, H2, H2, DO_DIV)
+RVVCALL(OPIVX2, vdiv_vx_w, OP_SSS_W, H4, H4, DO_DIV)
+RVVCALL(OPIVX2, vdiv_vx_d, OP_SSS_D, H8, H8, DO_DIV)
+RVVCALL(OPIVX2, vremu_vx_b, OP_UUU_B, H1, H1, DO_REMU)
+RVVCALL(OPIVX2, vremu_vx_h, OP_UUU_H, H2, H2, DO_REMU)
+RVVCALL(OPIVX2, vremu_vx_w, OP_UUU_W, H4, H4, DO_REMU)
+RVVCALL(OPIVX2, vremu_vx_d, OP_UUU_D, H8, H8, DO_REMU)
+RVVCALL(OPIVX2, vrem_vx_b, OP_SSS_B, H1, H1, DO_REM)
+RVVCALL(OPIVX2, vrem_vx_h, OP_SSS_H, H2, H2, DO_REM)
+RVVCALL(OPIVX2, vrem_vx_w, OP_SSS_W, H4, H4, DO_REM)
+RVVCALL(OPIVX2, vrem_vx_d, OP_SSS_D, H8, H8, DO_REM)
+GEN_VEXT_VX(vdivu_vx_b, 1, 1, clearb)
+GEN_VEXT_VX(vdivu_vx_h, 2, 2, clearh)
+GEN_VEXT_VX(vdivu_vx_w, 4, 4, clearl)
+GEN_VEXT_VX(vdivu_vx_d, 8, 8, clearq)
+GEN_VEXT_VX(vdiv_vx_b, 1, 1, clearb)
+GEN_VEXT_VX(vdiv_vx_h, 2, 2, clearh)
+GEN_VEXT_VX(vdiv_vx_w, 4, 4, clearl)
+GEN_VEXT_VX(vdiv_vx_d, 8, 8, clearq)
+GEN_VEXT_VX(vremu_vx_b, 1, 1, clearb)
+GEN_VEXT_VX(vremu_vx_h, 2, 2, clearh)
+GEN_VEXT_VX(vremu_vx_w, 4, 4, clearl)
+GEN_VEXT_VX(vremu_vx_d, 8, 8, clearq)
+GEN_VEXT_VX(vrem_vx_b, 1, 1, clearb)
+GEN_VEXT_VX(vrem_vx_h, 2, 2, clearh)
+GEN_VEXT_VX(vrem_vx_w, 4, 4, clearl)
+GEN_VEXT_VX(vrem_vx_d, 8, 8, clearq)

[v6,19/61] target/riscv: vector integer divide instructions

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