From nobody Tue Feb 10 17:13:20 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=1623312883; cv=none; d=zohomail.com; s=zohoarc; b=haoY/rXUYHOBimvcbVpyLMs3ARWo4dPqTTbprQrRDvKQaOhZ9h/HqPPHDnMFa+HBD0k+weWsGVAcc985JPjQEjxnn1BvjLhhhsFO52j+Ti6HHfILGMjiHibFjM7Tls4JADMy+gaMsikouRSlMS6gsC432O0AbM57hvHaxrzSX8E= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1623312883; 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=UelCAjRec4pGDmd6EBd8/bn5XZ8Bts02y0uv6xifecU=; b=Vxl9FxlIM6+YpCYtwCoYdBUZkBrMNyoHSwQ1grBtH4NVAqW3CVYEdWvlLGJE1uXjN8qegsEIOVBf4In7Nx7UjPz4H0MjBWKKsUeVLNAs9wqmrsX3h0bKP5rDU0v8G26BHImgVDy14KlWvk5dGwmd9ha4wsZL5fCE5V722w8Mjoc= 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 1623312883763929.2460905463685; Thu, 10 Jun 2021 01:14:43 -0700 (PDT) Received: from localhost ([::1]:42658 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lrFpo-0002Pz-6D for importer@patchew.org; Thu, 10 Jun 2021 04:14:41 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:41400) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lrFgw-000600-HJ; Thu, 10 Jun 2021 04:05:30 -0400 Received: from out28-172.mail.aliyun.com ([115.124.28.172]:34638) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lrFgt-0000tY-LR; Thu, 10 Jun 2021 04:05:30 -0400 Received: from localhost.localdomain(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.KQN-o2N_1623312320) by smtp.aliyun-inc.com(10.147.41.120); Thu, 10 Jun 2021 16:05:20 +0800 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.07439879|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_system_inform|0.393761-0.0133688-0.59287; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047211; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=8; RT=7; SR=0; TI=SMTPD_---.KQN-o2N_1623312320; From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v2 12/37] target/riscv: SIMD 8-bit Miscellaneous Instructions Date: Thu, 10 Jun 2021 15:58:43 +0800 Message-Id: <20210610075908.3305506-13-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=115.124.28.172; envelope-from=zhiwei_liu@c-sky.com; helo=out28-172.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+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Instructions include signed or unsigned minimum, maximum, clip value, absolute value, and leading zero, leading one count instructions. Signed-off-by: LIU Zhiwei Acked-by: Alistair Francis --- target/riscv/helper.h | 12 +++ target/riscv/insn32.decode | 12 +++ target/riscv/insn_trans/trans_rvp.c.inc | 13 +++ target/riscv/packed_helper.c | 115 ++++++++++++++++++++++++ 4 files changed, 152 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index 88035aafad..240df8b766 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1243,3 +1243,15 @@ DEF_HELPER_2(kabs16, tl, env, tl) DEF_HELPER_2(clrs16, tl, env, tl) DEF_HELPER_2(clz16, tl, env, tl) DEF_HELPER_2(clo16, tl, env, tl) + +DEF_HELPER_3(smin8, tl, env, tl, tl) +DEF_HELPER_3(umin8, tl, env, tl, tl) +DEF_HELPER_3(smax8, tl, env, tl, tl) +DEF_HELPER_3(umax8, tl, env, tl, tl) +DEF_HELPER_3(sclip8, tl, env, tl, tl) +DEF_HELPER_3(uclip8, tl, env, tl, tl) +DEF_HELPER_2(kabs8, tl, env, tl) +DEF_HELPER_2(clrs8, tl, env, tl) +DEF_HELPER_2(clz8, tl, env, tl) +DEF_HELPER_2(clo8, tl, env, tl) +DEF_HELPER_2(swap8, tl, env, tl) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 847c796874..4c34f0f4f4 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -846,3 +846,15 @@ kabs16 1010110 10001 ..... 000 ..... 1110111 @r2 clrs16 1010111 01000 ..... 000 ..... 1110111 @r2 clz16 1010111 01001 ..... 000 ..... 1110111 @r2 clo16 1010111 01011 ..... 000 ..... 1110111 @r2 + +smin8 1000100 ..... ..... 000 ..... 1110111 @r +umin8 1001100 ..... ..... 000 ..... 1110111 @r +smax8 1000101 ..... ..... 000 ..... 1110111 @r +umax8 1001101 ..... ..... 000 ..... 1110111 @r +sclip8 1000110 00... ..... 000 ..... 1110111 @sh3 +uclip8 1000110 10... ..... 000 ..... 1110111 @sh3 +kabs8 1010110 10000 ..... 000 ..... 1110111 @r2 +clrs8 1010111 00000 ..... 000 ..... 1110111 @r2 +clz8 1010111 00001 ..... 000 ..... 1110111 @r2 +clo8 1010111 00011 ..... 000 ..... 1110111 @r2 +swap8 1010110 11000 ..... 000 ..... 1110111 @r2 diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_tr= ans/trans_rvp.c.inc index 3e6307cdc3..c5ec530fd7 100644 --- a/target/riscv/insn_trans/trans_rvp.c.inc +++ b/target/riscv/insn_trans/trans_rvp.c.inc @@ -335,3 +335,16 @@ GEN_RVP_R2_OOL(kabs16); GEN_RVP_R2_OOL(clrs16); GEN_RVP_R2_OOL(clz16); GEN_RVP_R2_OOL(clo16); + +/* SIMD 8-bit Miscellaneous Instructions */ +GEN_RVP_R_OOL(smin8); +GEN_RVP_R_OOL(umin8); +GEN_RVP_R_OOL(smax8); +GEN_RVP_R_OOL(umax8); +GEN_RVP_SHIFTI(sclip8, NULL, gen_helper_sclip8); +GEN_RVP_SHIFTI(uclip8, NULL, gen_helper_uclip8); +GEN_RVP_R2_OOL(kabs8); +GEN_RVP_R2_OOL(clrs8); +GEN_RVP_R2_OOL(clz8); +GEN_RVP_R2_OOL(clo8); +GEN_RVP_R2_OOL(swap8); diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c index e4a9463135..3d3d2bf3e4 100644 --- a/target/riscv/packed_helper.c +++ b/target/riscv/packed_helper.c @@ -1078,3 +1078,118 @@ static inline void do_clo16(CPURISCVState *env, voi= d *vd, void *va, uint8_t i) } =20 RVPR2(clo16, 1, 2); + +/* SIMD 8-bit Miscellaneous Instructions */ +static inline void do_smin8(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int8_t *d =3D vd, *a =3D va, *b =3D vb; + + d[i] =3D (a[i] < b[i]) ? a[i] : b[i]; +} + +RVPR(smin8, 1, 1); + +static inline void do_umin8(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + uint8_t *d =3D vd, *a =3D va, *b =3D vb; + + d[i] =3D (a[i] < b[i]) ? a[i] : b[i]; +} + +RVPR(umin8, 1, 1); + +static inline void do_smax8(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int8_t *d =3D vd, *a =3D va, *b =3D vb; + + d[i] =3D (a[i] > b[i]) ? a[i] : b[i]; +} + +RVPR(smax8, 1, 1); + +static inline void do_umax8(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + uint8_t *d =3D vd, *a =3D va, *b =3D vb; + + d[i] =3D (a[i] > b[i]) ? a[i] : b[i]; +} + +RVPR(umax8, 1, 1); + +static inline void do_sclip8(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int8_t *d =3D vd, *a =3D va; + uint8_t shift =3D *(uint8_t *)vb & 0x7; + + d[i] =3D sat64(env, a[i], shift); +} + +RVPR(sclip8, 1, 1); + +static inline void do_uclip8(CPURISCVState *env, void *vd, void *va, + void *vb, uint8_t i) +{ + int8_t *d =3D vd, *a =3D va; + uint8_t shift =3D *(uint8_t *)vb & 0x7; + + if (a[i] < 0) { + d[i] =3D 0; + env->vxsat =3D 0x1; + } else { + d[i] =3D satu64(env, a[i], shift); + } +} + +RVPR(uclip8, 1, 1); + +static inline void do_kabs8(CPURISCVState *env, void *vd, void *va, uint8_= t i) +{ + int8_t *d =3D vd, *a =3D va; + + if (a[i] =3D=3D INT8_MIN) { + d[i] =3D INT8_MAX; + env->vxsat =3D 0x1; + } else { + d[i] =3D abs(a[i]); + } +} + +RVPR2(kabs8, 1, 1); + +static inline void do_clrs8(CPURISCVState *env, void *vd, void *va, uint8_= t i) +{ + int8_t *d =3D vd, *a =3D va; + d[i] =3D clrsb32(a[i]) - 24; +} + +RVPR2(clrs8, 1, 1); + +static inline void do_clz8(CPURISCVState *env, void *vd, void *va, uint8_t= i) +{ + int8_t *d =3D vd, *a =3D va; + d[i] =3D (a[i] < 0) ? 0 : (clz32(a[i]) - 24); +} + +RVPR2(clz8, 1, 1); + +static inline void do_clo8(CPURISCVState *env, void *vd, void *va, uint8_t= i) +{ + int8_t *d =3D vd, *a =3D va; + d[i] =3D (a[i] >=3D 0) ? 0 : (clo32(a[i]) - 24); +} + +RVPR2(clo8, 1, 1); + +static inline void do_swap8(CPURISCVState *env, void *vd, void *va, uint8_= t i) +{ + int8_t *d =3D vd, *a =3D va; + d[H1(i)] =3D a[H1(i + 1)]; + d[H1(i + 1)] =3D a[H1(i)]; +} + +RVPR2(swap8, 2, 1); --=20 2.25.1