From patchwork Thu Jun 24 10:55:19 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 12341975 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CD86EC49EA5 for ; Thu, 24 Jun 2021 11:45:02 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 7A6FB613C7 for ; Thu, 24 Jun 2021 11:45:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 7A6FB613C7 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=c-sky.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:57604 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lwNn3-0006py-1U for qemu-devel@archiver.kernel.org; Thu, 24 Jun 2021 07:45:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:45728) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lwNJM-0000VP-QA; Thu, 24 Jun 2021 07:14:20 -0400 Received: from out29-99.mail.aliyun.com ([115.124.29.99]:49173) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lwNJK-0006QB-DV; Thu, 24 Jun 2021 07:14:20 -0400 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.1296065|-1; CH=blue; DM=|OVERLOAD|false|; DS=CONTINUE|ham_system_inform|0.238603-0.00565254-0.755744; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047203; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=6; RT=6; SR=0; TI=SMTPD_---.KXKY151_1624533253; Received: from roman-VirtualBox.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.KXKY151_1624533253) by smtp.aliyun-inc.com(10.147.41.138); Thu, 24 Jun 2021 19:14:14 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v3 35/37] target/riscv: RV64 Only Non-SIMD 32-bit Shift Instructions Date: Thu, 24 Jun 2021 18:55:19 +0800 Message-Id: <20210624105521.3964-36-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=115.124.29.99; envelope-from=zhiwei_liu@c-sky.com; helo=out29-99.mail.aliyun.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, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" 32-bit rounding arithmetic shift right immediate. Signed-off-by: LIU Zhiwei --- target/riscv/helper.h | 2 ++ target/riscv/insn32.decode | 2 ++ target/riscv/insn_trans/trans_rvp.c.inc | 3 +++ target/riscv/packed_helper.c | 13 +++++++++++++ 4 files changed, 20 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index aa80095e1d..b998c86abf 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1472,3 +1472,5 @@ DEF_HELPER_4(kmsxda32, tl, env, tl, tl, tl) DEF_HELPER_3(smds32, i64, env, i64, i64) DEF_HELPER_3(smdrs32, i64, env, i64, i64) DEF_HELPER_3(smxds32, i64, env, i64, i64) + +DEF_HELPER_3(sraiw_u, i64, env, i64, i64) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index b9eeb57ca7..8e8aca4ea1 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -1095,3 +1095,5 @@ kmsxda32 0100111 ..... ..... 010 ..... 1110111 @r smds32 0101100 ..... ..... 010 ..... 1110111 @r smdrs32 0110100 ..... ..... 010 ..... 1110111 @r smxds32 0111100 ..... ..... 010 ..... 1110111 @r + +sraiw_u 0011010 ..... ..... 001 ..... 1110111 @sh5 diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_trans/trans_rvp.c.inc index 48bcf37e36..68c1ef9f48 100644 --- a/target/riscv/insn_trans/trans_rvp.c.inc +++ b/target/riscv/insn_trans/trans_rvp.c.inc @@ -1144,3 +1144,6 @@ GEN_RVP64_R_ACC_OOL(kmsxda32); GEN_RVP64_R_OOL(smds32); GEN_RVP64_R_OOL(smdrs32); GEN_RVP64_R_OOL(smxds32); + +/* (RV64 Only) Non-SIMD 32-bit Shift Instructions */ +GEN_RVP64_SHIFTI(sraiw_u, gen_helper_sraiw_u); diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c index 834e7dbebb..42f1d96fa5 100644 --- a/target/riscv/packed_helper.c +++ b/target/riscv/packed_helper.c @@ -3795,3 +3795,16 @@ static inline void do_smxds32(CPURISCVState *env, void *vd, void *va, } RVPR64_64_64(smxds32, 1, 8); + +/* (RV64 Only) Non-SIMD 32-bit Shift Instructions */ +static inline void do_sraiw_u(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int64_t *d = vd; + int32_t *a = va; + uint8_t shift = *(uint8_t *)vb; + + *d = vssra32(env, 0, a[H4(i)], shift); +} + +RVPR64_64_64(sraiw_u, 1, 8);