From patchwork Thu Jun 10 07:58:39 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 1490232 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 4G0xQ62Sl0z9sPf for ; Thu, 10 Jun 2021 18:06:38 +1000 (AEST) Received: from localhost ([::1]:51910 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lrFi0-0005zh-AC for incoming@patchwork.ozlabs.org; Thu, 10 Jun 2021 04:06:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41016) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lrFew-0002mb-3j; Thu, 10 Jun 2021 04:03:26 -0400 Received: from out28-1.mail.aliyun.com ([115.124.28.1]:35454) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lrFet-0008Cx-9O; Thu, 10 Jun 2021 04:03:25 -0400 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.07664509|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_system_inform|0.664607-0.0175856-0.317808; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047207; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=8; RT=7; SR=0; TI=SMTPD_---.KQMleyO_1623312198; Received: from localhost.localdomain(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.KQMleyO_1623312198) by smtp.aliyun-inc.com(10.147.44.145); Thu, 10 Jun 2021 16:03:18 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v2 08/37] target/riscv: SIMD 8-bit Compare Instructions Date: Thu, 10 Jun 2021 15:58:39 +0800 Message-Id: <20210610075908.3305506-9-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210610075908.3305506-1-zhiwei_liu@c-sky.com> References: <20210610075908.3305506-1-zhiwei_liu@c-sky.com> MIME-Version: 1.0 Received-SPF: none client-ip=115.124.28.1; envelope-from=zhiwei_liu@c-sky.com; helo=out28-1.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_H3=0.001, RCVD_IN_MSPIKE_WL=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, richard.henderson@linaro.org, bin.meng@windriver.com, Alistair Francis , LIU Zhiwei Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" There are 5 instructions here, including 8-bit compare equal, signed less than, signed less than & equal, unsigned less than, unsigned less than & equal. Signed-off-by: LIU Zhiwei Acked-by: Alistair Francis --- target/riscv/helper.h | 6 ++++ target/riscv/insn32.decode | 6 ++++ target/riscv/insn_trans/trans_rvp.c.inc | 7 ++++ target/riscv/packed_helper.c | 46 +++++++++++++++++++++++++ 4 files changed, 65 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 830845761b..c424e45fe5 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1212,3 +1212,9 @@ DEF_HELPER_3(scmplt16, tl, env, tl, tl) DEF_HELPER_3(scmple16, tl, env, tl, tl) DEF_HELPER_3(ucmplt16, tl, env, tl, tl) DEF_HELPER_3(ucmple16, tl, env, tl, tl) + +DEF_HELPER_3(cmpeq8, tl, env, tl, tl) +DEF_HELPER_3(scmplt8, tl, env, tl, tl) +DEF_HELPER_3(scmple8, tl, env, tl, tl) +DEF_HELPER_3(ucmplt8, tl, env, tl, tl) +DEF_HELPER_3(ucmple8, tl, env, tl, tl) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 5031cebf1f..fdbf3798c7 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -815,3 +815,9 @@ scmplt16 0000110 ..... ..... 000 ..... 1110111 @r scmple16 0001110 ..... ..... 000 ..... 1110111 @r ucmplt16 0010110 ..... ..... 000 ..... 1110111 @r ucmple16 0011110 ..... ..... 000 ..... 1110111 @r + +cmpeq8 0100111 ..... ..... 000 ..... 1110111 @r +scmplt8 0000111 ..... ..... 000 ..... 1110111 @r +scmple8 0001111 ..... ..... 000 ..... 1110111 @r +ucmplt8 0010111 ..... ..... 000 ..... 1110111 @r +ucmple8 0011111 ..... ..... 000 ..... 1110111 @r diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_trans/trans_rvp.c.inc index 65199ffb5a..aa432701c8 100644 --- a/target/riscv/insn_trans/trans_rvp.c.inc +++ b/target/riscv/insn_trans/trans_rvp.c.inc @@ -210,3 +210,10 @@ GEN_RVP_R_OOL(scmplt16); GEN_RVP_R_OOL(scmple16); GEN_RVP_R_OOL(ucmplt16); GEN_RVP_R_OOL(ucmple16); + +/* SIMD 8-bit Compare Instructions */ +GEN_RVP_R_OOL(cmpeq8); +GEN_RVP_R_OOL(scmplt8); +GEN_RVP_R_OOL(scmple8); +GEN_RVP_R_OOL(ucmplt8); +GEN_RVP_R_OOL(ucmple8); diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c index 30b916b5ad..ff86e015e4 100644 --- a/target/riscv/packed_helper.c +++ b/target/riscv/packed_helper.c @@ -677,3 +677,49 @@ static inline void do_ucmple16(CPURISCVState *env, void *vd, void *va, } RVPR(ucmple16, 1, 2); + +/* SIMD 8-bit Compare Instructions */ +static inline void do_cmpeq8(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + uint8_t *d = vd, *a = va, *b = vb; + d[i] = (a[i] == b[i]) ? 0xff : 0x0; +} + +RVPR(cmpeq8, 1, 1); + +static inline void do_scmplt8(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int8_t *d = vd, *a = va, *b = vb; + d[i] = (a[i] < b[i]) ? 0xff : 0x0; +} + +RVPR(scmplt8, 1, 1); + +static inline void do_scmple8(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int8_t *d = vd, *a = va, *b = vb; + d[i] = (a[i] <= b[i]) ? 0xff : 0x0; +} + +RVPR(scmple8, 1, 1); + +static inline void do_ucmplt8(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + uint8_t *d = vd, *a = va, *b = vb; + d[i] = (a[i] < b[i]) ? 0xff : 0x0; +} + +RVPR(ucmplt8, 1, 1); + +static inline void do_ucmple8(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + uint8_t *d = vd, *a = va, *b = vb; + d[i] = (a[i] <= b[i]) ? 0xff : 0x0; +} + +RVPR(ucmple8, 1, 1);