{"id":2219044,"url":"http://patchwork.ozlabs.org/api/patches/2219044/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/cbb8794e47694bbb0576313b882dd0ecc525cef1.1775122853.git.matheus.bernardino@oss.qualcomm.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<cbb8794e47694bbb0576313b882dd0ecc525cef1.1775122853.git.matheus.bernardino@oss.qualcomm.com>","list_archive_url":null,"date":"2026-04-02T10:47:20","name":"[v2,03/16] target/hexagon/cpu: add HVX IEEE FP extension","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"325d3c522c28fca6331f8a99ec517b8a8e8afb5b","submitter":{"id":90606,"url":"http://patchwork.ozlabs.org/api/people/90606/?format=json","name":"Matheus Tavares Bernardino","email":"matheus.bernardino@oss.qualcomm.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/cbb8794e47694bbb0576313b882dd0ecc525cef1.1775122853.git.matheus.bernardino@oss.qualcomm.com/mbox/","series":[{"id":498468,"url":"http://patchwork.ozlabs.org/api/series/498468/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=498468","date":"2026-04-02T10:47:20","name":"hexagon: add missing HVX float instructions","version":2,"mbox":"http://patchwork.ozlabs.org/series/498468/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2219044/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2219044/checks/","tags":{},"related":[],"headers":{"Return-Path":"<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256\n header.s=qcppdkim1 header.b=a5c0nS5C;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com\n header.a=rsa-sha256 header.s=google header.b=MriGsqBr;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)"],"Received":["from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fmdqb5H5Xz1yGH\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 02 Apr 2026 21:48:11 +1100 (AEDT)","from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1w8Faf-0004jC-0D; Thu, 02 Apr 2026 06:47:57 -0400","from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <matheus.bernardino@oss.qualcomm.com>)\n id 1w8FaW-0004fH-EU\n for qemu-devel@nongnu.org; Thu, 02 Apr 2026 06:47:48 -0400","from mx0a-0031df01.pphosted.com ([205.220.168.131])\n by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <matheus.bernardino@oss.qualcomm.com>)\n id 1w8FaT-0007nE-GE\n for qemu-devel@nongnu.org; Thu, 02 Apr 2026 06:47:48 -0400","from pps.filterd (m0279865.ppops.net [127.0.0.1])\n by mx0a-0031df01.pphosted.com (8.18.1.11/8.18.1.11) with ESMTP id\n 6328d7LC1249375\n for <qemu-devel@nongnu.org>; Thu, 2 Apr 2026 10:47:40 GMT","from mail-dy1-f199.google.com (mail-dy1-f199.google.com\n [74.125.82.199])\n by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 4d9n4t0fs9-1\n (version=TLSv1.3 cipher=TLS_AES_128_GCM_SHA256 bits=128 verify=NOT)\n for <qemu-devel@nongnu.org>; Thu, 02 Apr 2026 10:47:39 +0000 (GMT)","by mail-dy1-f199.google.com with SMTP id\n 5a478bee46e88-2c5b48baf75so5456029eec.0\n for <qemu-devel@nongnu.org>; Thu, 02 Apr 2026 03:47:39 -0700 (PDT)","from hu-mathbern-lv.qualcomm.com (Global_NAT1.qualcomm.com.\n [129.46.96.20]) by smtp.gmail.com with ESMTPSA id\n 5a478bee46e88-2ca7d00f5easm2004783eec.29.2026.04.02.03.47.37\n (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256);\n Thu, 02 Apr 2026 03:47:38 -0700 (PDT)"],"DKIM-Signature":["v=1; a=rsa-sha256; c=relaxed/relaxed; d=qualcomm.com; h=\n cc:content-transfer-encoding:date:from:in-reply-to:message-id\n :mime-version:references:subject:to; s=qcppdkim1; bh=tdmd31/hVMi\n bPQNSMF+BHceyMKga+YxUHsDryJbW/yM=; b=a5c0nS5CeYjZyl2aT9kImUwVi2j\n P7LGk309owNNgbnlWb27Bq9zTn6wtIJjJRXwyvLN+O6bNAKMjcuV8zrjw2gAU5g/\n 6+onZgDsmtkSjzehfASQzZhdgq6uHWWJdN85bQYDSEGpt6vFB/W9ZB04UsyEzt4U\n AtIH1av7RViHTkLgSYD3dWcJqMg7bKUENd003egNJfew/SzfVu72BHlKBFMK/qyt\n oJcN2H6EI9eQnfZHTAWLkCciQn2fl2g7NNP6wZYAmwR+RkPnTxOWPXVeq9IC5lry\n lUqb8HbGAVPRnaxLRaFTD9fVI/Nf2mpYLYc9Zegxx2pFzpZrzlkxbRkDAqQ==","v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=oss.qualcomm.com; s=google; t=1775126859; x=1775731659; darn=nongnu.org;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:from:to:cc:subject:date\n :message-id:reply-to;\n bh=tdmd31/hVMibPQNSMF+BHceyMKga+YxUHsDryJbW/yM=;\n b=MriGsqBrF1GpsTmoe4XoLg6PzQD+lMdAFxaUJ7KZXjc6vIofGIqD89azYXt3JKntV/\n h2qcdKMX3IwgB16Z2bLZX1L/Xh0yN9CD3tbBTHS70n77avUJqRqMIx9/dMxStytxTWAE\n XzQ7AjB5gGZ9jJa0n2Jx9Pkq7gaNhlRhlS3kRUHbdODeO1msYxN90txeIYqp369qscl/\n BF53LVZWNxscBTfhQ3QUvbKvf7dB7K0aC67CNHvBfLLSoHfQg9+KsCIORligcgTTG286\n R+JR94BelgUOnNhZz/+tZYsaFTlBoXEYyXJizPMj+KQdLKfhHIKc/n2FM5liDEpjHiNU\n EDkg=="],"X-Google-DKIM-Signature":"v=1; a=rsa-sha256; c=relaxed/relaxed;\n d=1e100.net; s=20251104; t=1775126859; x=1775731659;\n h=content-transfer-encoding:mime-version:references:in-reply-to\n :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from\n :to:cc:subject:date:message-id:reply-to;\n bh=tdmd31/hVMibPQNSMF+BHceyMKga+YxUHsDryJbW/yM=;\n b=XaHdIsYurnuXGZZbDe8YjVidEim4blBJKtfCHZ52Iyxkh9eVY1rOYIzfDbZGAsO2yB\n iZ1Fx2YUY0leL9hYI0nbB+Ep/eAVxvPqV1rUizcH8z4cF3POjJtcsk+aW2ceXDjIAvqB\n zVX4b2pH8jLTpwj4XCSNbIk3iUKqVSZRU44j1hw+mzM5lh4nR9dczyxnB6PhojiHDiJ/\n CgFRo0tm0uDP3eRLDcD8ZM1fI6I5Zq7OM+7BCmGGwg7BtlwipRtXn9QqcZDMFKCo69S5\n VZrMCAmilawXDDR5haQjYrxv/Vefej1o7+jy8fIM6j17/49S5dBBZoWoyzWGg0hb2pcg\n /1GA==","X-Gm-Message-State":"AOJu0Yx+Z59vN44jYxW9+cPiwp8PkqfiujlFTITcQRuMtHfic+z359od\n Hr+N+noA12Qaq5Qm7CUR9n+bam9dyAO+q7LImI11YrCBCFdqu7jnqBJvr3k7F06/Wt7TlodNkE6\n 9yvY+kaIzKH62y5j9ccoS3VRj2vzBaFZlrci5ryX3srrZir7x/C6nCMd7Eii0PLr07CVv","X-Gm-Gg":"AeBDiesw/AMgD8uVO9AjtIjcZ5t9IjQUEpBXGrx9WI8yYwZvar9ojRH++W088W4RvTA\n eYNe2Wn/j65oVqS38NAG41Nt027IY85KP0pW5GWQwbajVnfMFKNJjddR7WU6cXoB8HUC2ro6ayO\n NPyysWkxvIiKhm0gr80h+v9ZCZT5uOla5Og3dmxJ9jtW4REHMCnqwmYSG1xP1W2zubNnkh8XNmd\n zpdcamlkmBIWS0UU+b5CCwEQqH3ku3JoC9u65co/U3jFHGqJMigo1VrlOCenlDwB4WEHytgHv8g\n IXRcrUEHxiGZCHQvAYp52zf7XjebNz31hMIngEko+ChjMflWOwDfp4nDgjmn4W26I7BDk1fN5/3\n h+HAZU/SBeZlhIO9h25iJDXMuhHLsClW2j8OfJkrmPiEH0Pj4QB3OTylcv/KVkFe6lJVQaaqE9D\n l24G8U4N1H","X-Received":["by 2002:a05:7300:dc8b:b0:2be:837d:cc4d with SMTP id\n 5a478bee46e88-2ca8dcea8a4mr1457338eec.5.1775126858940;\n Thu, 02 Apr 2026 03:47:38 -0700 (PDT)","by 2002:a05:7300:dc8b:b0:2be:837d:cc4d with SMTP id\n 5a478bee46e88-2ca8dcea8a4mr1457314eec.5.1775126858341;\n Thu, 02 Apr 2026 03:47:38 -0700 (PDT)"],"From":"Matheus Tavares Bernardino <matheus.bernardino@oss.qualcomm.com>","To":"qemu-devel@nongnu.org","Cc":"richard.henderson@linaro.org, ale@rev.ng, anjo@rev.ng,\n brian.cain@oss.qualcomm.com, ltaylorsimpson@gmail.com,\n marco.liebel@oss.qualcomm.com, philmd@linaro.org,\n quic_mburton@quicinc.com, sid.manning@oss.qualcomm.com","Subject":"[PATCH v2 03/16] target/hexagon/cpu: add HVX IEEE FP extension","Date":"Thu,  2 Apr 2026 03:47:20 -0700","Message-Id":"\n <cbb8794e47694bbb0576313b882dd0ecc525cef1.1775122853.git.matheus.bernardino@oss.qualcomm.com>","X-Mailer":"git-send-email 2.37.2","In-Reply-To":"<cover.1775122853.git.matheus.bernardino@oss.qualcomm.com>","References":"<cover.1775122853.git.matheus.bernardino@oss.qualcomm.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","X-Proofpoint-ORIG-GUID":"6wSV6cocFeSotUmD9Xu1MsUiLoYIs9Lk","X-Proofpoint-Spam-Details-Enc":"AW1haW4tMjYwNDAyMDA5NyBTYWx0ZWRfX/ZWQ4eAXX3el\n 5dQOTgsT7K2EuUusSXGtZLABD+XnEvyukjzvbfZyUWJUsm+Q+CrMqj21g0sg4mQauJH4DM3OK/s\n jtCfMjjRjPFFW9zBL5ZLFJGtZFpzu8hbE2Y7O7pjROdz7TW3pblp4rlYi8j0IetmBhO/ShzvgNB\n Tikkb0/yjYSOu55gBphbMEx05e1M1HswrK0pKIy8CAh/Qj//1H9YxC0m90qlO/nrk4xM0zhXSt3\n D7jn0FCH0ZASNM+BnfVAC1fHmvLVhUJ19EKT6KuFlwO91FMYvgH4FoQEWwhgygdwsHZ6CV/uUTl\n x+jK5I3VX9wSeVxzw2tXFKRGLFVLZDFYFbKb3/GYiyrP3uunjH+5ZawE4dM+vFIPGhx2nwdM2Ua\n AlG6D67g+Sb+UQmJROa/9HmuHR2PEFFv65S1CqSNnw75Av2VAC+7OfgIBfkPyDny23Kf2KCTMNr\n yxgWJRMc+8mJTL/4BXg==","X-Proofpoint-GUID":"6wSV6cocFeSotUmD9Xu1MsUiLoYIs9Lk","X-Authority-Analysis":"v=2.4 cv=Ap/jHe9P c=1 sm=1 tr=0 ts=69ce494b cx=c_pps\n a=cFYjgdjTJScbgFmBucgdfQ==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17\n a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22\n a=u7WPNUs3qKkmUXheDGA7:22 a=Um2Pa8k9VHT-vaBCBUpS:22 a=EUspDBNiAAAA:8\n a=QVGlRXe_Esul27Px_LMA:9 a=scEy_gLbYbu1JhEsrz4S:22","X-Proofpoint-Virus-Version":"vendor=baseguard\n engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49\n definitions=2026-04-02_01,2026-04-02_01,2025-10-01_01","X-Proofpoint-Spam-Details":"rule=outbound_notspam policy=outbound score=0\n priorityscore=1501 suspectscore=0 malwarescore=0 spamscore=0 clxscore=1015\n bulkscore=0 impostorscore=0 adultscore=0 lowpriorityscore=0 phishscore=0\n classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0\n reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604020097","Received-SPF":"pass client-ip=205.220.168.131;\n envelope-from=matheus.bernardino@oss.qualcomm.com;\n helo=mx0a-0031df01.pphosted.com","X-Spam_score_int":"-7","X-Spam_score":"-0.8","X-Spam_bar":"/","X-Spam_report":"(-0.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=no autolearn_force=no","X-Spam_action":"no action","X-BeenThere":"qemu-devel@nongnu.org","X-Mailman-Version":"2.1.29","Precedence":"list","List-Id":"qemu development <qemu-devel.nongnu.org>","List-Unsubscribe":"<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <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>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"This flag will be used to control the HVX IEEE float instructions, which\nare only available at some Hexagon cores. When unavailable, the\ninstruction effectively only set the destination registers to 0.\n\nSigned-off-by: Matheus Tavares Bernardino <matheus.bernardino@oss.qualcomm.com>\n---\n target/hexagon/cpu.h             |  1 +\n target/hexagon/translate.h       |  1 +\n target/hexagon/attribs_def.h.inc |  3 +++\n target/hexagon/cpu.c             |  1 +\n target/hexagon/translate.c       |  1 +\n target/hexagon/gen_tcg_funcs.py  | 11 ++++++++++\n target/hexagon/hex_common.py     | 35 ++++++++++++++++++++++++++++++++\n 7 files changed, 53 insertions(+)","diff":"diff --git a/target/hexagon/cpu.h b/target/hexagon/cpu.h\nindex 85afd59277..77822a48b6 100644\n--- a/target/hexagon/cpu.h\n+++ b/target/hexagon/cpu.h\n@@ -127,6 +127,7 @@ struct ArchCPU {\n     bool lldb_compat;\n     target_ulong lldb_stack_adjust;\n     bool short_circuit;\n+    bool ieee_fp_extension;\n };\n \n #include \"cpu_bits.h\"\ndiff --git a/target/hexagon/translate.h b/target/hexagon/translate.h\nindex b37cb49238..516aab7038 100644\n--- a/target/hexagon/translate.h\n+++ b/target/hexagon/translate.h\n@@ -70,6 +70,7 @@ typedef struct DisasContext {\n     target_ulong branch_dest;\n     bool is_tight_loop;\n     bool short_circuit;\n+    bool ieee_fp_extension;\n     bool read_after_write;\n     bool has_hvx_overlap;\n     TCGv new_value[TOTAL_PER_THREAD_REGS];\ndiff --git a/target/hexagon/attribs_def.h.inc b/target/hexagon/attribs_def.h.inc\nindex 9e3a05f882..c85cd5d17c 100644\n--- a/target/hexagon/attribs_def.h.inc\n+++ b/target/hexagon/attribs_def.h.inc\n@@ -173,5 +173,8 @@ DEF_ATTRIB(NOTE_SHIFT_RESOURCE, \"Uses the HVX shift resource.\", \"\", \"\")\n DEF_ATTRIB(RESTRICT_NOSLOT1_STORE, \"Packet must not have slot 1 store\", \"\", \"\")\n DEF_ATTRIB(RESTRICT_LATEPRED, \"Predicate can not be used as a .new.\", \"\", \"\")\n \n+/* HVX IEEE FP extension attributes */\n+DEF_ATTRIB(HVX_IEEE_FP, \"HVX IEEE FP extension instruction\", \"\", \"\")\n+\n /* Keep this as the last attribute: */\n DEF_ATTRIB(ZZ_LASTATTRIB, \"Last attribute in the file\", \"\", \"\")\ndiff --git a/target/hexagon/cpu.c b/target/hexagon/cpu.c\nindex ffd14bb467..8b72a5d3c8 100644\n--- a/target/hexagon/cpu.c\n+++ b/target/hexagon/cpu.c\n@@ -54,6 +54,7 @@ static const Property hexagon_cpu_properties[] = {\n     DEFINE_PROP_UNSIGNED(\"lldb-stack-adjust\", HexagonCPU, lldb_stack_adjust, 0,\n                          qdev_prop_uint32, target_ulong),\n     DEFINE_PROP_BOOL(\"short-circuit\", HexagonCPU, short_circuit, true),\n+    DEFINE_PROP_BOOL(\"ieee-fp\", HexagonCPU, ieee_fp_extension, true),\n };\n \n const char * const hexagon_regnames[TOTAL_PER_THREAD_REGS] = {\ndiff --git a/target/hexagon/translate.c b/target/hexagon/translate.c\nindex 633401451d..fa8f615a9e 100644\n--- a/target/hexagon/translate.c\n+++ b/target/hexagon/translate.c\n@@ -988,6 +988,7 @@ static void hexagon_tr_init_disas_context(DisasContextBase *dcbase,\n     ctx->branch_cond = TCG_COND_NEVER;\n     ctx->is_tight_loop = FIELD_EX32(hex_flags, TB_FLAGS, IS_TIGHT_LOOP);\n     ctx->short_circuit = hex_cpu->short_circuit;\n+    ctx->ieee_fp_extension = hex_cpu->ieee_fp_extension;\n }\n \n static void hexagon_tr_tb_start(DisasContextBase *db, CPUState *cpu)\ndiff --git a/target/hexagon/gen_tcg_funcs.py b/target/hexagon/gen_tcg_funcs.py\nindex 87b7f10d7f..b752ec883c 100755\n--- a/target/hexagon/gen_tcg_funcs.py\n+++ b/target/hexagon/gen_tcg_funcs.py\n@@ -22,6 +22,14 @@\n import string\n import hex_common\n \n+def gen_disabled_ieee_insn(f, tag, regs):\n+    f.write(\"    if (!ctx->ieee_fp_extension) {\\n\")\n+    for regtype, regid in regs:\n+        reg = hex_common.get_register(tag, regtype, regid)\n+        if reg.is_hvx_reg() and reg.is_written():\n+            reg.gen_zero(f)\n+    f.write(\"        return;\\n\")\n+    f.write(\"    }\\n\")\n \n ##\n ## Generate the TCG code to call the helper\n@@ -62,6 +70,9 @@ def gen_tcg_func(f, tag, regs, imms):\n         i = 1 if immlett.isupper() else 0\n         f.write(f\"    int {hex_common.imm_name(immlett)} = insn->immed[{i}];\\n\")\n \n+    if \"A_HVX_IEEE_FP\" in hex_common.attribdict[tag]:\n+        gen_disabled_ieee_insn(f, tag, regs)\n+\n     if hex_common.is_idef_parser_enabled(tag):\n         declared = []\n         ## Handle registers\ndiff --git a/target/hexagon/hex_common.py b/target/hexagon/hex_common.py\nindex c0e9f26aeb..32a61505ce 100755\n--- a/target/hexagon/hex_common.py\n+++ b/target/hexagon/hex_common.py\n@@ -723,6 +723,11 @@ def decl_tcg(self, f, tag, regno):\n                 TCGv_ptr {self.reg_tcg()} = tcg_temp_new_ptr();\n                 tcg_gen_addi_ptr({self.reg_tcg()}, tcg_env, {self.hvx_off()});\n             \"\"\"))\n+    def gen_zero(self, f):\n+        f.write(code_fmt(f\"\"\"\\\n+                tcg_gen_gvec_dup_imm(MO_64, {self.hvx_off()},\n+                    sizeof(MMVector), sizeof(MMVector), 0);\n+            \"\"\"))\n     def gen_write(self, f, tag):\n         pass\n     def helper_hvx_desc(self, f):\n@@ -789,6 +794,11 @@ def decl_tcg(self, f, tag, regno):\n                 TCGv_ptr {self.reg_tcg()} = tcg_temp_new_ptr();\n                 tcg_gen_addi_ptr({self.reg_tcg()}, tcg_env, {self.hvx_off()});\n             \"\"\"))\n+    def gen_zero(self, f):\n+        f.write(code_fmt(f\"\"\"\\\n+                tcg_gen_gvec_dup_imm(MO_64, {self.hvx_off()},\n+                    sizeof(MMVector), sizeof(MMVector), 0);\n+            \"\"\"))\n     def gen_write(self, f, tag):\n         pass\n     def helper_hvx_desc(self, f):\n@@ -821,6 +831,11 @@ def decl_tcg(self, f, tag, regno):\n                                  vreg_src_off(ctx, {self.reg_num}),\n                                  sizeof(MMVector), sizeof(MMVector));\n             \"\"\"))\n+    def gen_zero(self, f):\n+        f.write(code_fmt(f\"\"\"\\\n+                tcg_gen_gvec_dup_imm(MO_64, {self.hvx_off()},\n+                    sizeof(MMVector), sizeof(MMVector), 0);\n+            \"\"\"))\n     def gen_write(self, f, tag):\n         f.write(code_fmt(f\"\"\"\\\n             gen_vreg_write(ctx, {self.hvx_off()}, {self.reg_num},\n@@ -854,6 +869,11 @@ def decl_tcg(self, f, tag, regno):\n                 TCGv_ptr {self.reg_tcg()} = tcg_temp_new_ptr();\n                 tcg_gen_addi_ptr({self.reg_tcg()}, tcg_env, {self.hvx_off()});\n             \"\"\"))\n+    def gen_zero(self, f):\n+        f.write(code_fmt(f\"\"\"\\\n+            tcg_gen_gvec_dup_imm(MO_64, {self.hvx_off()},\n+                sizeof(MMVectorPair), sizeof(MMVectorPair), 0);\n+        \"\"\"))\n     def gen_write(self, f, tag):\n         pass\n     def helper_hvx_desc(self, f):\n@@ -913,6 +933,11 @@ def decl_tcg(self, f, tag, regno):\n                 TCGv_ptr {self.reg_tcg()} = tcg_temp_new_ptr();\n                 tcg_gen_addi_ptr({self.reg_tcg()}, tcg_env, {self.hvx_off()});\n             \"\"\"))\n+    def gen_zero(self, f):\n+        f.write(code_fmt(f\"\"\"\\\n+            tcg_gen_gvec_dup_imm(MO_64, {self.hvx_off()},\n+                sizeof(MMVectorPair), sizeof(MMVectorPair), 0);\n+        \"\"\"))\n     def gen_write(self, f, tag):\n         f.write(code_fmt(f\"\"\"\\\n             gen_vreg_write_pair(ctx, {self.hvx_off()}, {self.reg_num},\n@@ -946,6 +971,11 @@ def decl_tcg(self, f, tag, regno):\n                 TCGv_ptr {self.reg_tcg()} = tcg_temp_new_ptr();\n                 tcg_gen_addi_ptr({self.reg_tcg()}, tcg_env, {self.hvx_off()});\n             \"\"\"))\n+    def gen_zero(self, f):\n+        f.write(code_fmt(f\"\"\"\\\n+            tcg_gen_gvec_dup_imm(MO_64, {self.hvx_off()},\n+                sizeof(MMQReg), sizeof(MMQReg), 0);\n+        \"\"\"))\n     def gen_write(self, f, tag):\n         pass\n     def helper_hvx_desc(self, f):\n@@ -993,6 +1023,11 @@ def decl_tcg(self, f, tag, regno):\n                 TCGv_ptr {self.reg_tcg()} = tcg_temp_new_ptr();\n                 tcg_gen_addi_ptr({self.reg_tcg()}, tcg_env, {self.hvx_off()});\n             \"\"\"))\n+    def gen_zero(self, f):\n+        f.write(code_fmt(f\"\"\"\\\n+            tcg_gen_gvec_dup_imm(MO_64, {self.hvx_off()},\n+                sizeof(MMQReg), sizeof(MMQReg), 0);\n+        \"\"\"))\n     def gen_write(self, f, tag):\n         pass\n     def helper_hvx_desc(self, f):\n","prefixes":["v2","03/16"]}