From nobody Tue Feb 10 17:45:11 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 162453505092399.22571384665162; Thu, 24 Jun 2021 04:44:10 -0700 (PDT) Received: from localhost ([::1]:54178 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lwNmD-0004Xk-Q7 for importer@patchew.org; Thu, 24 Jun 2021 07:44:09 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44616) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lwNFD-000840-Ji; Thu, 24 Jun 2021 07:10:08 -0400 Received: from mail142-37.mail.alibaba.com ([198.11.142.37]:39437) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lwNF7-0004u9-AO; Thu, 24 Jun 2021 07:10:03 -0400 Received: from roman-VirtualBox.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.KXKc7mD_1624532979) by smtp.aliyun-inc.com(10.147.40.44); Thu, 24 Jun 2021 19:09:39 +0800 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.07628549|-1; CH=blue; DM=|OVERLOAD|false|; DS=CONTINUE|ham_system_inform|0.47609-0.00722773-0.516682; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047208; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=6; RT=6; SR=0; TI=SMTPD_---.KXKc7mD_1624532979; From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v3 26/37] target/riscv: 32-bit Computation Instructions Date: Thu, 24 Jun 2021 18:55:10 +0800 Message-Id: <20210624105521.3964-27-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20210624105521.3964-1-zhiwei_liu@c-sky.com> References: <20210624105521.3964-1-zhiwei_liu@c-sky.com> Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=198.11.142.37; envelope-from=zhiwei_liu@c-sky.com; helo=mail142-37.mail.alibaba.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001, SPF_NONE=0.001, UNPARSEABLE_RELAY=0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: palmer@dabbelt.com, bin.meng@windriver.com, Alistair.Francis@wdc.com, LIU Zhiwei Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 32-bit halving addition or subtraction, maximum, minimum, or multiply. Signed-off-by: LIU Zhiwei --- target/riscv/helper.h | 9 +++ target/riscv/insn32.decode | 9 +++ target/riscv/insn_trans/trans_rvp.c.inc | 10 +++ target/riscv/packed_helper.c | 92 +++++++++++++++++++++++++ 4 files changed, 120 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index b3485f95a2..3063b583f3 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1384,3 +1384,12 @@ DEF_HELPER_4(kdmabb, tl, env, tl, tl, tl) DEF_HELPER_4(kdmabt, tl, env, tl, tl, tl) DEF_HELPER_4(kdmatt, tl, env, tl, tl, tl) DEF_HELPER_2(kabsw, tl, env, tl) + +DEF_HELPER_3(raddw, tl, env, tl, tl) +DEF_HELPER_3(uraddw, tl, env, tl, tl) +DEF_HELPER_3(rsubw, tl, env, tl, tl) +DEF_HELPER_3(ursubw, tl, env, tl, tl) +DEF_HELPER_3(maxw, tl, env, tl, tl) +DEF_HELPER_3(minw, tl, env, tl, tl) +DEF_HELPER_3(mulr64, i64, env, tl, tl) +DEF_HELPER_3(mulsr64, i64, env, tl, tl) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index a25294baab..9cfe5570b0 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -988,3 +988,12 @@ kdmabb 1101001 ..... ..... 001 ..... 1110111 @r kdmabt 1110001 ..... ..... 001 ..... 1110111 @r kdmatt 1111001 ..... ..... 001 ..... 1110111 @r kabsw 1010110 10100 ..... 000 ..... 1110111 @r2 + +raddw 0010000 ..... ..... 001 ..... 1110111 @r +uraddw 0011000 ..... ..... 001 ..... 1110111 @r +rsubw 0010001 ..... ..... 001 ..... 1110111 @r +ursubw 0011001 ..... ..... 001 ..... 1110111 @r +maxw 1111001 ..... ..... 000 ..... 1110111 @r +minw 1111000 ..... ..... 000 ..... 1110111 @r +mulr64 1111000 ..... ..... 001 ..... 1110111 @r +mulsr64 1110000 ..... ..... 001 ..... 1110111 @r diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_tr= ans/trans_rvp.c.inc index d2c7ab1440..b720c6e037 100644 --- a/target/riscv/insn_trans/trans_rvp.c.inc +++ b/target/riscv/insn_trans/trans_rvp.c.inc @@ -698,3 +698,13 @@ GEN_RVP_R_ACC_OOL(kdmabb); GEN_RVP_R_ACC_OOL(kdmabt); GEN_RVP_R_ACC_OOL(kdmatt); GEN_RVP_R2_OOL(kabsw); + +/* 32-bit Computation Instructions */ +GEN_RVP_R_OOL(raddw); +GEN_RVP_R_OOL(uraddw); +GEN_RVP_R_OOL(rsubw); +GEN_RVP_R_OOL(ursubw); +GEN_RVP_R_OOL(minw); +GEN_RVP_R_OOL(maxw); +GEN_RVP_R_D64_OOL(mulr64); +GEN_RVP_R_D64_OOL(mulsr64); diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c index 89d203730d..c0e3b6bbdb 100644 --- a/target/riscv/packed_helper.c +++ b/target/riscv/packed_helper.c @@ -2818,3 +2818,95 @@ static inline void do_kabsw(CPURISCVState *env, void= *vd, void *va, uint8_t i) } =20 RVPR2(kabsw, 2, 4); + +/* 32-bit Computation Instructions */ +static inline void do_raddw(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int32_t *a =3D va, *b =3D vb; + target_long *d =3D vd; + + *d =3D hadd32(a[H4(i)], b[H4(i)]); +} + +RVPR(raddw, 2, 4); + +static inline void do_uraddw(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + uint32_t *a =3D va, *b =3D vb; + target_long *d =3D vd; + + *d =3D (int32_t)haddu32(a[H4(i)], b[H4(i)]); +} + +RVPR(uraddw, 2, 4); + +static inline void do_rsubw(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int32_t *a =3D va, *b =3D vb; + target_long *d =3D vd; + + *d =3D hsub32(a[H4(i)], b[H4(i)]); +} + +RVPR(rsubw, 2, 4); + +static inline void do_ursubw(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + uint32_t *a =3D va, *b =3D vb; + target_long *d =3D vd; + + *d =3D (int32_t)hsubu64(a[H4(i)], b[H4(i)]); +} + +RVPR(ursubw, 2, 4); + +static inline void do_maxw(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d =3D vd; + int32_t *a =3D va, *b =3D vb; + + *d =3D (a[H4(i)] > b[H4(i)]) ? a[H4(i)] : b[H4(i)]; +} + +RVPR(maxw, 2, 4); + +static inline void do_minw(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d =3D vd; + int32_t *a =3D va, *b =3D vb; + + *d =3D (a[H4(i)] < b[H4(i)]) ? a[H4(i)] : b[H4(i)]; +} + +RVPR(minw, 2, 4); + +static inline void do_mulr64(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + uint64_t *d =3D vd; + uint32_t *a =3D va, *b =3D vb; + + *d =3D (uint64_t)a[H4(0)] * b[H4(0)]; +} + +RVPR64(mulr64); + +static inline void do_mulsr64(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int32_t *d =3D vd; + int64_t result; + int32_t *a =3D va, *b =3D vb; + + result =3D (int64_t)a[H4(0)] * b[H4(0)]; + d[H4(1)] =3D result >> 32; + d[H4(0)] =3D result & UINT32_MAX; +} + +RVPR64(mulsr64); --=20 2.17.1