From patchwork Thu Jun 24 10:54:51 2021
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: 7bit
X-Patchwork-Submitter: LIU Zhiwei <zhiwei_liu@c-sky.com>
X-Patchwork-Id: 12341897
Return-Path: 
 <SRS0=DrEI=LS=nongnu.org=qemu-devel-bounces+qemu-devel=archiver.kernel.org@kernel.org>
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 0C9CCC49EA6
	for <qemu-devel@archiver.kernel.org>; Thu, 24 Jun 2021 11:20:43 +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 D02556124C
	for <qemu-devel@archiver.kernel.org>; Thu, 24 Jun 2021 11:20:42 +0000 (UTC)
DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org D02556124C
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]:41908 helo=lists1p.gnu.org)
	by lists.gnu.org with esmtp (Exim 4.90_1)
	(envelope-from
 <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org>)
	id 1lwNPW-0007av-04
	for qemu-devel@archiver.kernel.org; Thu, 24 Jun 2021 07:20:42 -0400
Received: from eggs.gnu.org ([2001:470:142:3::10]:42688)
 by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
 (Exim 4.90_1) (envelope-from <zhiwei_liu@c-sky.com>)
 id 1lwN5f-0007mZ-Cd; Thu, 24 Jun 2021 07:00:11 -0400
Received: from out28-145.mail.aliyun.com ([115.124.28.145]:32931)
 by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)
 (Exim 4.90_1) (envelope-from <zhiwei_liu@c-sky.com>)
 id 1lwN5c-0006g6-I0; Thu, 24 Jun 2021 07:00:10 -0400
X-Alimail-AntiSpam: AC=CONTINUE; BC=0.3558505|-1; CH=green;
 DM=|CONTINUE|false|;
 DS=CONTINUE|ham_regular_dialog|0.77407-0.00350292-0.222427;
 FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047188; MF=zhiwei_liu@c-sky.com; NM=1;
 PH=DS; RN=6; RT=6; SR=0; TI=SMTPD_---.KXK1Ipz_1624532401;
Received: from roman-VirtualBox.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com
 fp:SMTPD_---.KXK1Ipz_1624532401)
 by smtp.aliyun-inc.com(10.147.42.197);
 Thu, 24 Jun 2021 19:00:01 +0800
From: LIU Zhiwei <zhiwei_liu@c-sky.com>
To: qemu-devel@nongnu.org,
	qemu-riscv@nongnu.org
Subject: [PATCH v3 07/37] target/riscv: SIMD 16-bit Compare Instructions
Date: Thu, 24 Jun 2021 18:54:51 +0800
Message-Id: <20210624105521.3964-8-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=115.124.28.145;
 envelope-from=zhiwei_liu@c-sky.com;
 helo=out28-145.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: <qemu-devel.nongnu.org>
List-Unsubscribe: <https://lists.nongnu.org/mailman/options/qemu-devel>,
 <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>
List-Archive: <https://lists.nongnu.org/archive/html/qemu-devel>
List-Post: <mailto:qemu-devel@nongnu.org>
List-Help: <mailto:qemu-devel-request@nongnu.org?subject=help>
List-Subscribe: <https://lists.nongnu.org/mailman/listinfo/qemu-devel>,
 <mailto:qemu-devel-request@nongnu.org?subject=subscribe>
Cc: palmer@dabbelt.com, bin.meng@windriver.com, Alistair.Francis@wdc.com,
 LIU Zhiwei <zhiwei_liu@c-sky.com>
Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org
Sender: "Qemu-devel"
 <qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org>

There are 5 instructions here, including 16-bit compare
equal, signed less than, signed less than & equal,
unsigned less than, unsigned less than & equal.

Signed-off-by: LIU Zhiwei <zhiwei_liu@c-sky.com>
Acked-by: Alistair Francis <alistair.francis@wdc.com
---
 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 1b365135ff..830845761b 100644
--- a/target/riscv/helper.h
+++ b/target/riscv/helper.h
@@ -1206,3 +1206,9 @@ DEF_HELPER_3(sll8, tl, env, tl, tl)
 DEF_HELPER_3(ksll8, tl, env, tl, tl)
 DEF_HELPER_3(kslra8, tl, env, tl, tl)
 DEF_HELPER_3(kslra8_u, tl, env, tl, tl)
+
+DEF_HELPER_3(cmpeq16, tl, env, tl, tl)
+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)
diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode
index 8b78fb24bc..5031cebf1f 100644
--- a/target/riscv/insn32.decode
+++ b/target/riscv/insn32.decode
@@ -809,3 +809,9 @@ ksll8      0110110  ..... ..... 000 ..... 1110111 @r
 kslli8     0111110  01... ..... 000 ..... 1110111 @sh3
 kslra8     0101111  ..... ..... 000 ..... 1110111 @r
 kslra8_u   0110111  ..... ..... 000 ..... 1110111 @r
+
+cmpeq16    0100110  ..... ..... 000 ..... 1110111 @r
+scmplt16   0000110  ..... ..... 000 ..... 1110111 @r
+scmple16   0001110  ..... ..... 000 ..... 1110111 @r
+ucmplt16   0010110  ..... ..... 000 ..... 1110111 @r
+ucmple16   0011110  ..... ..... 000 ..... 1110111 @r
diff --git a/target/riscv/insn_trans/trans_rvp.c.inc b/target/riscv/insn_trans/trans_rvp.c.inc
index e6c5f2ddf5..65199ffb5a 100644
--- a/target/riscv/insn_trans/trans_rvp.c.inc
+++ b/target/riscv/insn_trans/trans_rvp.c.inc
@@ -203,3 +203,10 @@ GEN_RVP_SHIFTI(slli8, tcg_gen_vec_shl8i_tl, gen_helper_sll8);
 GEN_RVP_SHIFTI(srai8_u, NULL, gen_helper_sra8_u);
 GEN_RVP_SHIFTI(srli8_u, NULL, gen_helper_srl8_u);
 GEN_RVP_SHIFTI(kslli8, NULL, gen_helper_ksll8);
+
+/* SIMD 16-bit Compare Instructions */
+GEN_RVP_R_OOL(cmpeq16);
+GEN_RVP_R_OOL(scmplt16);
+GEN_RVP_R_OOL(scmple16);
+GEN_RVP_R_OOL(ucmplt16);
+GEN_RVP_R_OOL(ucmple16);
diff --git a/target/riscv/packed_helper.c b/target/riscv/packed_helper.c
index ab9ebc472b..30b916b5ad 100644
--- a/target/riscv/packed_helper.c
+++ b/target/riscv/packed_helper.c
@@ -631,3 +631,49 @@ static inline void do_kslra8_u(CPURISCVState *env, void *vd, void *va,
 }
 
 RVPR(kslra8_u, 1, 1);
+
+/* SIMD 16-bit Compare Instructions */
+static inline void do_cmpeq16(CPURISCVState *env, void *vd, void *va,
+                              void *vb, uint8_t i)
+{
+    uint16_t *d = vd, *a = va, *b = vb;
+    d[i] = (a[i] == b[i]) ? 0xffff : 0x0;
+}
+
+RVPR(cmpeq16, 1, 2);
+
+static inline void do_scmplt16(CPURISCVState *env, void *vd, void *va,
+                               void *vb, uint8_t i)
+{
+    int16_t *d = vd, *a = va, *b = vb;
+    d[i] = (a[i] < b[i]) ? 0xffff : 0x0;
+}
+
+RVPR(scmplt16, 1, 2);
+
+static inline void do_scmple16(CPURISCVState *env, void *vd, void *va,
+                               void *vb, uint8_t i)
+{
+    int16_t *d = vd, *a = va, *b = vb;
+    d[i] = (a[i] <= b[i]) ? 0xffff : 0x0;
+}
+
+RVPR(scmple16, 1, 2);
+
+static inline void do_ucmplt16(CPURISCVState *env, void *vd, void *va,
+                               void *vb, uint8_t i)
+{
+    uint16_t *d = vd, *a = va, *b = vb;
+    d[i] = (a[i] < b[i]) ? 0xffff : 0x0;
+}
+
+RVPR(ucmplt16, 1, 2);
+
+static inline void do_ucmple16(CPURISCVState *env, void *vd, void *va,
+                               void *vb, uint8_t i)
+{
+    uint16_t *d = vd, *a = va, *b = vb;
+    d[i] = (a[i] <= b[i]) ? 0xffff : 0x0;
+}
+
+RVPR(ucmple16, 1, 2);