From nobody Mon Feb 9 00:43:12 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; dmarc=fail(p=none dis=none) header.from=linux.ibm.com ARC-Seal: i=1; a=rsa-sha256; t=1593104676; cv=none; d=zohomail.com; s=zohoarc; b=dyOCfHiB7ui+Sp8z3kW5GDT+DyJys9wSotR+xSTmBRGvRuSAJhMJ8l2cMpywi9AEl+I/Hya23VowWi3gpBq4xrqXjNC4DgAT+YPZ4YM4V4t2s5ToB/j0qBKwZI6igpOvegu5hB/eDdAGy1qwlZu0PZ6C2R888Co1Gy2GzmVpr6A= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1593104676; 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=8RrE42xUmzVBqB3vU1gP0B+p7iG5mBQ1RbOdJsGS+5o=; b=mqHagGACfxtvWdXt+STx2IV4VhBxFmCq8JqITXzkvd54JU/d5wSRJQJKwlDyf7lximAoaWVa2nRfHRbWmdN3JADBcd4DFysw8XF6dr2dJCO8Qx+CUSc3/ksi0adpxbgNlyENqD8sC5bLsD1IP1Q6UdRQLczrZ5X3eunYN3ezYqE= 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; dmarc=fail header.from= (p=none dis=none) header.from= Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1593104676488901.8197409232615; Thu, 25 Jun 2020 10:04:36 -0700 (PDT) Received: from localhost ([::1]:45182 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1joVIh-0006hP-9T for importer@patchew.org; Thu, 25 Jun 2020 13:04:35 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:37734) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1joVEm-00011y-G4; Thu, 25 Jun 2020 13:00:32 -0400 Received: from mx0a-001b2d01.pphosted.com ([148.163.156.1]:12066) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1joVEk-0007Oj-D8; Thu, 25 Jun 2020 13:00:32 -0400 Received: from pps.filterd (m0098396.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.42/8.16.0.42) with SMTP id 05PGVwoG081222; Thu, 25 Jun 2020 13:00:26 -0400 Received: from ppma03dal.us.ibm.com (b.bd.3ea9.ip4.static.sl-reverse.com [169.62.189.11]) by mx0a-001b2d01.pphosted.com with ESMTP id 31ux085337-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 25 Jun 2020 13:00:24 -0400 Received: from pps.filterd (ppma03dal.us.ibm.com [127.0.0.1]) by ppma03dal.us.ibm.com (8.16.0.42/8.16.0.42) with SMTP id 05PH03Mj001279; Thu, 25 Jun 2020 17:00:23 GMT Received: from b03cxnp08027.gho.boulder.ibm.com (b03cxnp08027.gho.boulder.ibm.com [9.17.130.19]) by ppma03dal.us.ibm.com with ESMTP id 31uurw0yyp-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 25 Jun 2020 17:00:23 +0000 Received: from b03ledav002.gho.boulder.ibm.com (b03ledav002.gho.boulder.ibm.com [9.17.130.233]) by b03cxnp08027.gho.boulder.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id 05PH0KBr8913406 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 25 Jun 2020 17:00:20 GMT Received: from b03ledav002.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id C0F07136051; Thu, 25 Jun 2020 17:00:21 +0000 (GMT) Received: from b03ledav002.gho.boulder.ibm.com (unknown [127.0.0.1]) by IMSVA (Postfix) with ESMTP id 0818E13604F; Thu, 25 Jun 2020 17:00:20 +0000 (GMT) Received: from pompom.ibm.com (unknown [9.160.117.167]) by b03ledav002.gho.boulder.ibm.com (Postfix) with ESMTP; Thu, 25 Jun 2020 17:00:20 +0000 (GMT) From: Lijun Pan To: qemu-ppc@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v3 2/8] target/ppc: add byte-reverse br[dwh] instructions Date: Thu, 25 Jun 2020 12:00:12 -0500 Message-Id: <20200625170018.64265-3-ljp@linux.ibm.com> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20200625170018.64265-1-ljp@linux.ibm.com> References: <20200625170018.64265-1-ljp@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-TM-AS-GCONF: 00 X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:6.0.216, 18.0.687 definitions=2020-06-25_11:2020-06-25, 2020-06-25 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 suspectscore=2 mlxscore=0 impostorscore=0 cotscore=-2147483648 mlxlogscore=874 bulkscore=0 lowpriorityscore=0 adultscore=0 malwarescore=0 phishscore=0 clxscore=1015 priorityscore=1501 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2004280000 definitions=main-2006250102 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: pass client-ip=148.163.156.1; envelope-from=ljp@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/06/25 13:00:27 X-ACL-Warn: Detected OS = Linux 3.x [generic] [fuzzy] X-Spam_score_int: -35 X-Spam_score: -3.6 X-Spam_bar: --- X-Spam_report: (-3.6 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H2=-1, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=_AUTOLEARN 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: Lijun Pan , richard.henderson@linaro.org, david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" POWER ISA 3.1 introduces following byte-reverse instructions: brd: Byte-Reverse Doubleword X-form brw: Byte-Reverse Word X-form brh: Byte-Reverse Halfword X-form Signed-off-by: Lijun Pan --- v3: fix the store issue in br[dwh] simplify brw implementation add "if defined(TARGET_PPC64)" target/ppc/translate.c | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 4ce3d664b5..6634b38f3a 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -6971,7 +6971,45 @@ static void gen_dform3D(DisasContext *ctx) return gen_invalid(ctx); } =20 +/* brd */ +static void gen_brd(DisasContext *ctx) +{ + tcg_gen_bswap64_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]= ); +} + +/* brw */ +static void gen_brw(DisasContext *ctx) +{ + tcg_gen_bswap64_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rS(ctx->opcode)]= ); + tcg_gen_rotli_i64(cpu_gpr[rA(ctx->opcode)], cpu_gpr[rA(ctx->opcode)], = 32); + +} + +/* brh */ +static void gen_brh(DisasContext *ctx) +{ + TCGv_i64 t0 =3D tcg_temp_new_i64(); + TCGv_i64 t1 =3D tcg_temp_new_i64(); + TCGv_i64 t2 =3D tcg_temp_new_i64(); + + tcg_gen_movi_i64(t0, 0x00ff00ff00ff00ffull); + tcg_gen_shri_i64(t1, cpu_gpr[rS(ctx->opcode)], 8); + tcg_gen_and_i64(t2, t1, t0); + tcg_gen_and_i64(t1, cpu_gpr[rS(ctx->opcode)], t0); + tcg_gen_shli_i64(t1, t1, 8); + tcg_gen_or_i64(cpu_gpr[rA(ctx->opcode)], t1, t2); + + tcg_temp_free_i64(t0); + tcg_temp_free_i64(t1); + tcg_temp_free_i64(t2); +} + static opcode_t opcodes[] =3D { +#if defined(TARGET_PPC64) +GEN_HANDLER_E(brd, 0x1F, 0x1B, 0x05, 0x0000F801, PPC_NONE, PPC2_ISA310), +GEN_HANDLER_E(brw, 0x1F, 0x1B, 0x04, 0x0000F801, PPC_NONE, PPC2_ISA310), +GEN_HANDLER_E(brh, 0x1F, 0x1B, 0x06, 0x0000F801, PPC_NONE, PPC2_ISA310), +#endif GEN_HANDLER(invalid, 0x00, 0x00, 0x00, 0xFFFFFFFF, PPC_NONE), GEN_HANDLER(cmp, 0x1F, 0x00, 0x00, 0x00400000, PPC_INTEGER), GEN_HANDLER(cmpi, 0x0B, 0xFF, 0xFF, 0x00400000, PPC_INTEGER), --=20 2.23.0