From patchwork Thu Jun 24 10:55:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 1496579 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 4G9dYK4cp6z9sRf for ; Thu, 24 Jun 2021 21:43:01 +1000 (AEST) Received: from localhost ([::1]:52146 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lwNl5-00036x-Cw for incoming@patchwork.ozlabs.org; Thu, 24 Jun 2021 07:42:59 -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 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; 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 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: 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" 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_trans/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) } 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 = va, *b = vb; + target_long *d = vd; + + *d = 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 = va, *b = vb; + target_long *d = vd; + + *d = (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 = va, *b = vb; + target_long *d = vd; + + *d = 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 = va, *b = vb; + target_long *d = vd; + + *d = (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 = vd; + int32_t *a = va, *b = vb; + + *d = (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 = vd; + int32_t *a = va, *b = vb; + + *d = (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 = vd; + uint32_t *a = va, *b = vb; + + *d = (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 = vd; + int64_t result; + int32_t *a = va, *b = vb; + + result = (int64_t)a[H4(0)] * b[H4(0)]; + d[H4(1)] = result >> 32; + d[H4(0)] = result & UINT32_MAX; +} + +RVPR64(mulsr64);