From mboxrd@z Thu Jan 1 00:00:00 1970 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 02671C48BDF for ; Thu, 24 Jun 2021 11:37:03 +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 B9DF5611C1 for ; Thu, 24 Jun 2021 11:37:02 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org B9DF5611C1 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]:43246 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lwNfJ-0005EC-TD for qemu-devel@archiver.kernel.org; Thu, 24 Jun 2021 07:37:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:44474) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lwNEF-0006gh-9f; Thu, 24 Jun 2021 07:09:03 -0400 Received: from mail142-28.mail.alibaba.com ([198.11.142.28]:36617) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lwNEA-0004il-FF; Thu, 24 Jun 2021 07:09:03 -0400 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.074604|-1; CH=blue; DM=|OVERLOAD|false|; DS=CONTINUE|ham_system_inform|0.70221-0.0139448-0.283845; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047199; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=6; RT=6; SR=0; TI=SMTPD_---.KXK-m59_1624532918; Received: from roman-VirtualBox.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.KXK-m59_1624532918) by smtp.aliyun-inc.com(10.147.41.158); Thu, 24 Jun 2021 19:08:38 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v3 24/37] target/riscv: Non-SIMD Q15 saturation ALU Instructions Date: Thu, 24 Jun 2021 18:55:08 +0800 Message-Id: <20210624105521.3964-25-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=198.11.142.28; envelope-from=zhiwei_liu@c-sky.com; helo=mail142-28.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, RCVD_IN_DNSWL_NONE=-0.0001, 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" Q15 saturation is to limit the result to the range [INT16_MIN, INT16_MAX]. Signed-off-by: LIU Zhiwei --- target/riscv/helper.h | 8 +++ target/riscv/insn32.decode | 8 +++ target/riscv/insn_trans/trans_rvp.c.inc | 12 ++++ target/riscv/packed_helper.c | 78 +++++++++++++++++++++++++ 4 files changed, 106 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 87a0779842..6ce22a186e 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1361,3 +1361,11 @@ DEF_HELPER_4(smalxds, i64, env, tl, tl, i64) DEF_HELPER_4(smaldrs, i64, env, tl, tl, i64) DEF_HELPER_4(smslda, i64, env, tl, tl, i64) DEF_HELPER_4(smslxda, i64, env, tl, tl, i64) + +DEF_HELPER_3(kaddh, tl, env, tl, tl) +DEF_HELPER_3(ksubh, tl, env, tl, tl) +DEF_HELPER_3(khmbb, tl, env, tl, tl) +DEF_HELPER_3(khmbt, tl, env, tl, tl) +DEF_HELPER_3(khmtt, tl, env, tl, tl) +DEF_HELPER_3(ukaddh, tl, env, tl, tl) +DEF_HELPER_3(uksubh, tl, env, tl, tl) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index d1668b34cb..f465851f03 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -964,3 +964,11 @@ smaldrs 1001101 ..... ..... 001 ..... 1110111 @r smalxds 1010101 ..... ..... 001 ..... 1110111 @r smslda 1010110 ..... ..... 001 ..... 1110111 @r smslxda 1011110 ..... ..... 001 ..... 1110111 @r + +kaddh 0000010 ..... ..... 001 ..... 1110111 @r +ksubh 0000011 ..... ..... 001 ..... 1110111 @r +khmbb 0000110 ..... ..... 001 ..... 1110111 @r +khmbt 0001110 ..... ..... 001 ..... 1110111 @r +khmtt 0010110 ..... ..... 001 ..... 1110111 @r +ukaddh 0001010 ..... ..... 001 ..... 1110111 @r +uksubh 0001011 ..... ..... 001 ..... 1110111 @r diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_trans/trans_rvp.c.inc index 7c91bdc888..48eb190bc6 100644 --- a/target/riscv/insn_trans/trans_rvp.c.inc +++ b/target/riscv/insn_trans/trans_rvp.c.inc @@ -669,3 +669,15 @@ GEN_RVP_R_D64_ACC_OOL(smaldrs); GEN_RVP_R_D64_ACC_OOL(smalxds); GEN_RVP_R_D64_ACC_OOL(smslda); GEN_RVP_R_D64_ACC_OOL(smslxda); + +/* + *** Non-SIMD Instructions + */ +/* Non-SIMD Q15 saturation ALU Instructions */ +GEN_RVP_R_OOL(kaddh); +GEN_RVP_R_OOL(ksubh); +GEN_RVP_R_OOL(khmbb); +GEN_RVP_R_OOL(khmbt); +GEN_RVP_R_OOL(khmtt); +GEN_RVP_R_OOL(ukaddh); +GEN_RVP_R_OOL(uksubh); diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c index 3330a2ecec..171f88face 100644 --- a/target/riscv/packed_helper.c +++ b/target/riscv/packed_helper.c @@ -2526,3 +2526,81 @@ static inline void do_smslxda(CPURISCVState *env, void *vd, void *va, } RVPR64_ACC(smslxda, 2, 2); + +/* Q15 saturation instructions */ +static inline void do_kaddh(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int32_t *a = va, *b = vb; + + *d = sat64(env, (int64_t)a[H4(i)] + b[H4(i)], 15); +} + +RVPR(kaddh, 2, 4); + +static inline void do_ksubh(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int32_t *a = va, *b = vb; + + *d = sat64(env, (int64_t)a[H4(i)] - b[H4(i)], 15); +} + +RVPR(ksubh, 2, 4); + +static inline void do_khmbb(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int16_t *a = va, *b = vb; + + *d = sat64(env, (int64_t)a[H2(i)] * b[H2(i)] >> 15, 15); +} + +RVPR(khmbb, 4, 2); + +static inline void do_khmbt(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int16_t *a = va, *b = vb; + + *d = sat64(env, (int64_t)a[H2(i)] * b[H2(i + 1)] >> 15, 15); +} + +RVPR(khmbt, 4, 2); + +static inline void do_khmtt(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + int16_t *a = va, *b = vb; + + *d = sat64(env, (int64_t)a[H2(i + 1)] * b[H2(i + 1)] >> 15, 15); +} + +RVPR(khmtt, 4, 2); + +static inline void do_ukaddh(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + uint32_t *a = va, *b = vb; + + *d = (int16_t)satu64(env, saddu32(env, 0, a[H4(i)], b[H4(i)]), 16); +} + +RVPR(ukaddh, 2, 4); + +static inline void do_uksubh(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + target_long *d = vd; + uint32_t *a = va, *b = vb; + + *d = (int16_t)satu64(env, ssubu32(env, 0, a[H4(i)], b[H4(i)]), 16); +} + +RVPR(uksubh, 2, 4); -- 2.17.1