From nobody Tue Feb 10 17:14:46 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 ARC-Seal: i=1; a=rsa-sha256; t=1623313096; cv=none; d=zohomail.com; s=zohoarc; b=XdhNRhu5svindKoj7Dw9uQUwIZEmz/w2E2ZRlJ6nQoJ3YSDkQgbjmvJv60fNxhQY72R9sOdodR++sJDzDLth7ZOZrwut6RbBtTvdyjzeEQ3cxDYIMqdNKf9vekG+we5q2zrBPVKU/Ia6OE0LD1xQfJlafR8DcxyFvjVNUVDL6sk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1623313096; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=O9ZRf/R2vuJ1NZZ51bw7awVJDnir9ze4L+tt42cUhZ0=; b=IPF4LQ/HFHn335q95EPLv5/zLpCFjDdNwHZ1GTu2eYi7hJd+HFZt1bQ9b/Ur39TTP3EeEmGuIvGrw8w9/XA1lAYcrHGqGrYwyk60uqtH7UrdKmBR4tIuofAkKI5e+94RCva4P1z5UxSFcAA2BG3y/JGPlE7OHqftvg4B12PIlBc= ARC-Authentication-Results: i=1; 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 1623313096442161.78835178828615; Thu, 10 Jun 2021 01:18:16 -0700 (PDT) Received: from localhost ([::1]:52190 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lrFtH-0000WR-A4 for importer@patchew.org; Thu, 10 Jun 2021 04:18:15 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:42522) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lrFkr-0002uQ-5D; Thu, 10 Jun 2021 04:09:33 -0400 Received: from out28-77.mail.aliyun.com ([115.124.28.77]:38064) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lrFkn-00032Y-Di; Thu, 10 Jun 2021 04:09:32 -0400 Received: from localhost.localdomain(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.KQMfKN9_1623312564) by smtp.aliyun-inc.com(10.147.43.230); Thu, 10 Jun 2021 16:09:24 +0800 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.1146224|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_system_inform|0.533591-0.0146714-0.451738; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047192; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=7; RT=7; SR=0; TI=SMTPD_---.KQMfKN9_1623312564; From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v2 20/37] target/riscv: 8-bit Multiply with 32-bit Add Instructions Date: Thu, 10 Jun 2021 15:58:51 +0800 Message-Id: <20210610075908.3305506-21-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 Content-Transfer-Encoding: quoted-printable 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=115.124.28.77; envelope-from=zhiwei_liu@c-sky.com; helo=out28-77.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_H4=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@wdc.com, LIU Zhiwei Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Four "signed or unsigned 8 x signed or unsigned 8" with 32-bit addition (32 =3D 32 + 8x8 + 8x8 + 8x8 + 8x8). Signed-off-by: LIU Zhiwei --- target/riscv/helper.h | 4 +++ target/riscv/insn32.decode | 4 +++ target/riscv/insn_trans/trans_rvp.c.inc | 5 +++ target/riscv/packed_helper.c | 44 +++++++++++++++++++++++++ 4 files changed, 57 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 35c8c61b00..a0e3131512 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1326,3 +1326,7 @@ DEF_HELPER_2(clz32, tl, env, tl) DEF_HELPER_2(clo32, tl, env, tl) DEF_HELPER_3(pbsad, tl, env, tl, tl) DEF_HELPER_4(pbsada, tl, env, tl, tl, tl) + +DEF_HELPER_4(smaqa, tl, env, tl, tl, tl) +DEF_HELPER_4(umaqa, tl, env, tl, tl, tl) +DEF_HELPER_4(smaqa_su, tl, env, tl, tl, tl) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index ce8bdee34b..96288370a6 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -929,3 +929,7 @@ clz32 1010111 11001 ..... 000 ..... 1110111 @r2 clo32 1010111 11011 ..... 000 ..... 1110111 @r2 pbsad 1111110 ..... ..... 000 ..... 1110111 @r pbsada 1111111 ..... ..... 000 ..... 1110111 @r + +smaqa 1100100 ..... ..... 000 ..... 1110111 @r +umaqa 1100110 ..... ..... 000 ..... 1110111 @r +smaqa_su 1100101 ..... ..... 000 ..... 1110111 @r diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_tr= ans/trans_rvp.c.inc index 43e7e5a75d..1a10f13318 100644 --- a/target/riscv/insn_trans/trans_rvp.c.inc +++ b/target/riscv/insn_trans/trans_rvp.c.inc @@ -511,3 +511,8 @@ GEN_RVP_R2_OOL(clz32); GEN_RVP_R2_OOL(clo32); GEN_RVP_R_OOL(pbsad); GEN_RVP_R_ACC_OOL(pbsada); + +/* 8-bit Multiply with 32-bit Add Instructions */ +GEN_RVP_R_ACC_OOL(smaqa); +GEN_RVP_R_ACC_OOL(umaqa); +GEN_RVP_R_ACC_OOL(smaqa_su); diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c index 1f2b90c394..02178d6e61 100644 --- a/target/riscv/packed_helper.c +++ b/target/riscv/packed_helper.c @@ -2044,3 +2044,47 @@ static inline void do_pbsada(CPURISCVState *env, voi= d *vd, void *va, } =20 RVPR_ACC(pbsada, 1, 1); + +/* 8-bit Multiply with 32-bit Add Instructions */ +static inline void do_smaqa(CPURISCVState *env, void *vd, void *va, + void *vb, void *vc, uint8_t i) +{ + int8_t *a =3D va, *b =3D vb; + int32_t *d =3D vd, *c =3D vc; + + d[H4(i)] =3D c[H4(i)] + a[H1(i * 4)] * b[H1(i * 4)] + + a[H1(i * 4 + 1)] * b[H1(i * 4 + 1)] + + a[H1(i * 4 + 2)] * b[H1(i * 4 + 2)] + + a[H1(i * 4 + 3)] * b[H1(i * 4 + 3)]; +} + +RVPR_ACC(smaqa, 1, 4); + +static inline void do_umaqa(CPURISCVState *env, void *vd, void *va, + void *vb, void *vc, uint8_t i) +{ + uint8_t *a =3D va, *b =3D vb; + uint32_t *d =3D vd, *c =3D vc; + + d[H4(i)] =3D c[H4(i)] + a[H1(i * 4)] * b[H1(i * 4)] + + a[H1(i * 4 + 1)] * b[H1(i * 4 + 1)] + + a[H1(i * 4 + 2)] * b[H1(i * 4 + 2)] + + a[H1(i * 4 + 3)] * b[H1(i * 4 + 3)]; +} + +RVPR_ACC(umaqa, 1, 4); + +static inline void do_smaqa_su(CPURISCVState *env, void *vd, void *va, + void *vb, void *vc, uint8_t i) +{ + int8_t *a =3D va; + uint8_t *b =3D vb; + int32_t *d =3D vd, *c =3D vc; + + d[H4(i)] =3D c[H4(i)] + a[H1(i * 4)] * b[H1(i * 4)] + + a[H1(i * 4 + 1)] * b[H1(i * 4 + 1)] + + a[H1(i * 4 + 2)] * b[H1(i * 4 + 2)] + + a[H1(i * 4 + 3)] * b[H1(i * 4 + 3)]; +} + +RVPR_ACC(smaqa_su, 1, 4); --=20 2.25.1