From nobody Thu Nov 13 16:32:42 2025 Delivered-To: importer@patchew.org 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; Authentication-Results: mx.zohomail.com; dkim=pass; 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=pass(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1581709758755485.58658686415004; Fri, 14 Feb 2020 11:49:18 -0800 (PST) Received: from localhost ([::1]:44884 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j2gxh-0005GM-0O for importer@patchew.org; Fri, 14 Feb 2020 14:49:17 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:49063) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j2gvJ-00031q-NZ for qemu-devel@nongnu.org; Fri, 14 Feb 2020 14:46:50 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j2gvI-0003ZG-PM for qemu-devel@nongnu.org; Fri, 14 Feb 2020 14:46:49 -0500 Received: from mail-pj1-x1042.google.com ([2607:f8b0:4864:20::1042]:36060) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1j2gvI-0003Xh-KS for qemu-devel@nongnu.org; Fri, 14 Feb 2020 14:46:48 -0500 Received: by mail-pj1-x1042.google.com with SMTP id gv17so4343986pjb.1 for ; Fri, 14 Feb 2020 11:46:48 -0800 (PST) Received: from localhost.localdomain (97-126-123-70.tukw.qwest.net. [97.126.123.70]) by smtp.gmail.com with ESMTPSA id g13sm7558851pfo.169.2020.02.14.11.46.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Feb 2020 11:46:46 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=Q4tpwQmU/GY5DYP8gwmfjDF7+GhkCh2mU6sZu+wMVTo=; b=aIL/6iZqb8svQMq2gMc6FZYFZXQS5/dpAxvOvYgf4atmsGl/3Ij2Fwtk7/9qztMwdl t+Kg8k9fb2VgmrZ1JZ6/ggspKB5SNTcKjnofgfYwFdlQsKb+uPNogRIreD2uP7qoH0MO 0r6wtm7x4oRP3yH864VPZMpa85TQ5rUaC2lNB4O3UwK8474h/qO7DANCZ/nvmI3XI91v gbrDyP17AEubmX13RYFyUk5JQzfYiDZfCMqf5zTAQ7HPOxa10rmWW6P1GYltyrSeMJch D55fzwsXz+BKe2+78fdX2bwPBSxqFKC4aOdFRAQCxeDt/32yAEYgaLrJMS5Rkfo1oQLk BXJQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=Q4tpwQmU/GY5DYP8gwmfjDF7+GhkCh2mU6sZu+wMVTo=; b=qtm/iNSAwZXfIJkO0wG0ftRa5vI6j57M9iSV6D07WyVUCosFTP2mUpPCcAkqsc4OVV fdDoeyc8TTfQRRuggG9f94q1vT/Z2MptSz3J78RutOrWXjeYEmCT8skqIXekQjBCl0Yy 3uxEuzK167M8XRFU+gdTuSsO3y7oxeHUWFjrqDKmi07J5FlOxtMZba7CS+b9O1uML5y8 23w0HX6PCMAnPBOo+A/01yaDzk6KjOiFYow8Xnla/MYvFviksRdLPw1PeGWRsNpHPO3s cFjXW3PS/r4Q3XhwUf9RU3ZaxW7VfR3aSTDqTupL49Y71BvPR10BER0oo1E6GJEhmFOI x4CQ== X-Gm-Message-State: APjAAAU4EOTE1XAEkrPhfDgnz7hGE+dIkSCyvll447OJETD+apjjASfz EDBfnLe4/e+S8tPI2AvFrHo09FFLW0g= X-Google-Smtp-Source: APXvYqyCZcEI60cIRiwxOAliRiNtCxmLZocPLQIEFINFek62jnPc4/HH0zEW0601ugu0f4Fz+2hTJQ== X-Received: by 2002:a17:90a:a406:: with SMTP id y6mr5734073pjp.115.1581709606869; Fri, 14 Feb 2020 11:46:46 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 1/4] target/arm: Flush high bits of sve register after AdvSIMD EXT Date: Fri, 14 Feb 2020 11:46:40 -0800 Message-Id: <20200214194643.23317-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214194643.23317-1-richard.henderson@linaro.org> References: <20200214194643.23317-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::1042 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: peter.maydell@linaro.org, qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Writes to AdvSIMD registers flush the bits above 128. Buglink: https://bugs.launchpad.net/bugs/1863247 Signed-off-by: Richard Henderson --- target/arm/translate-a64.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 7c26c3bfeb..620a429067 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -6895,6 +6895,7 @@ static void disas_simd_ext(DisasContext *s, uint32_t = insn) tcg_temp_free_i64(tcg_resl); write_vec_element(s, tcg_resh, rd, 1, MO_64); tcg_temp_free_i64(tcg_resh); + clear_vec_high(s, true, rd); } =20 /* TBL/TBX --=20 2.20.1 From nobody Thu Nov 13 16:32:42 2025 Delivered-To: importer@patchew.org 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; Authentication-Results: mx.zohomail.com; dkim=pass; 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=pass(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1581709749494785.9362228470532; Fri, 14 Feb 2020 11:49:09 -0800 (PST) Received: from localhost ([::1]:44878 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j2gxX-00051D-PW for importer@patchew.org; Fri, 14 Feb 2020 14:49:07 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:49080) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j2gvK-00032M-9j for qemu-devel@nongnu.org; Fri, 14 Feb 2020 14:46:51 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j2gvJ-0003ao-Cz for qemu-devel@nongnu.org; Fri, 14 Feb 2020 14:46:50 -0500 Received: from mail-pg1-x544.google.com ([2607:f8b0:4864:20::544]:36544) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1j2gvJ-0003Z3-88 for qemu-devel@nongnu.org; Fri, 14 Feb 2020 14:46:49 -0500 Received: by mail-pg1-x544.google.com with SMTP id d9so5463593pgu.3 for ; Fri, 14 Feb 2020 11:46:49 -0800 (PST) Received: from localhost.localdomain (97-126-123-70.tukw.qwest.net. [97.126.123.70]) by smtp.gmail.com with ESMTPSA id g13sm7558851pfo.169.2020.02.14.11.46.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Feb 2020 11:46:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=yTA4qfOsQYBcYoiqQ1YZpvzyazgjvt/ZI8cUNM+8GpQ=; b=SBsr7nSM2LLr4N2M5dlysnfC3xvq1pOz79clPN2umUyjEMNXBO2ufDQY6Yx7lhZoBs ZWN1wV7M+A6WWanRrWCkLctVs9MSPE5B75K5370jV5DTzTlHA9GvT7GzLwgg4nI3b4ze njnd9IIIJIUgBmSfxGexSbW8myH/YkLTvruzAUcIlnAyPKF+PXildLle84oaDbBZInTX MIBN637q9AXpCwQEun6o5rStncWVxlOPfagAhDhaKC6C1+r1Fdd38zFEJ/JrKAcWb2z5 4j3r60vZgj4KEq8SWHRZCtg1c0e6cZp8C5GICuIq81TKoy5hv4M7X23BBzQgiPo0xKPe Fw1w== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=yTA4qfOsQYBcYoiqQ1YZpvzyazgjvt/ZI8cUNM+8GpQ=; b=UDQJlf8NfeWsQs6h8YxQ1dwpbVo6EzTEN3ah6AeHtRYxx07LqzxgIHIHNkaxfgwohQ fcIfSDZAQgX9cFlLvrXKWlZIq/vH/8HNrkTv3RBzihGoixxzNK4LIVL9Tri3899S0z8j UXEo7sTJW8POZF2g9vXxE3Uxw23E2ZFmclMQRcpYH7M2Bcn387Pkx+hrSm9OlhAEekoh a7XN7xuqAtHpyz3yg9tS9+69s4Wyr7uERNWmf8MlK14Bdqk+RSxquqm3Lc7tTl+Lb3sZ ejpfhI8Vcdwr0alyvEsCuWZnoBpCm1yKKf7nKNOJ+tEjftUEuqeQnUy+Bd4PnJN1CfXE FhvQ== X-Gm-Message-State: APjAAAVycBlKCugU1rPqhNyJqqulnF+K91gjTrgZklv3uww1IWjV96QO 8L2Lcu6dwMUwx6hYUx6X9Y5Ix0timT0= X-Google-Smtp-Source: APXvYqycJZTYbJDDcpFsyE7CQWXXlKgn7ZWWUkiXIrqmQ/LVL2VrRKcbTqd25QHYYx93HIMawoIktg== X-Received: by 2002:a63:2842:: with SMTP id o63mr5291335pgo.317.1581709607947; Fri, 14 Feb 2020 11:46:47 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 2/4] target/arm: Flush high bits of sve register after AdvSIMD TBL/TBX Date: Fri, 14 Feb 2020 11:46:41 -0800 Message-Id: <20200214194643.23317-3-richard.henderson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214194643.23317-1-richard.henderson@linaro.org> References: <20200214194643.23317-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::544 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: peter.maydell@linaro.org, qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Writes to AdvSIMD registers flush the bits above 128. Signed-off-by: Richard Henderson --- target/arm/translate-a64.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 620a429067..096a854aed 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -6964,6 +6964,7 @@ static void disas_simd_tb(DisasContext *s, uint32_t i= nsn) tcg_temp_free_i64(tcg_resl); write_vec_element(s, tcg_resh, rd, 1, MO_64); tcg_temp_free_i64(tcg_resh); + clear_vec_high(s, true, rd); } =20 /* ZIP/UZP/TRN --=20 2.20.1 From nobody Thu Nov 13 16:32:42 2025 Delivered-To: importer@patchew.org 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; Authentication-Results: mx.zohomail.com; dkim=pass; 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=pass(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 158170982810142.663110432279495; Fri, 14 Feb 2020 11:50:28 -0800 (PST) Received: from localhost ([::1]:44916 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j2gyo-0007aV-Oc for importer@patchew.org; Fri, 14 Feb 2020 14:50:26 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:49104) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j2gvL-00034S-Gn for qemu-devel@nongnu.org; Fri, 14 Feb 2020 14:46:52 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j2gvK-0003eC-Ir for qemu-devel@nongnu.org; Fri, 14 Feb 2020 14:46:51 -0500 Received: from mail-pg1-x542.google.com ([2607:f8b0:4864:20::542]:40086) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1j2gvK-0003c0-Dg for qemu-devel@nongnu.org; Fri, 14 Feb 2020 14:46:50 -0500 Received: by mail-pg1-x542.google.com with SMTP id z7so5450564pgk.7 for ; Fri, 14 Feb 2020 11:46:50 -0800 (PST) Received: from localhost.localdomain (97-126-123-70.tukw.qwest.net. [97.126.123.70]) by smtp.gmail.com with ESMTPSA id g13sm7558851pfo.169.2020.02.14.11.46.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Feb 2020 11:46:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=HlkIYk7mnAAf7AbZuXJxcfBvUpBjMWEzz4Glx4QDkeU=; b=ZJpr2yNc4bFP0OQSn9wxp9sciMybWSOPY3ZBxGD/wZw9U32RjStcE0eH70GeKj/CQD 15gorhT6j8dFvMw12/T/LDxNV7BNbrX01ZbFo6xulNyW6iWvP6QHA6arflTMpR3Cwzpc M5CED+VyzP4Yg7ubx+0QOg6skJqFSIOF1QmCzvvHx6rizFma9a1LXjF26dNEcPnIh8he KfsOh4lgNrWXE/1vQkwaY9Pys1atlmwxZNPIqr37pZmGZP3y1UaDudf9YMP5ELPYYUvm eacJT8axDZAzba6m+V/WStVmtiNGs+/+mghDQXefLaLweK0Ck7mDXACxMXSanfCVhgRO Qazg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=HlkIYk7mnAAf7AbZuXJxcfBvUpBjMWEzz4Glx4QDkeU=; b=pqx5GgaaEPG/Qrc9tk+WsTyPawMnRiXPYbPTqkHQ0ThBAP58jR7MwX5eyHqt3gkGme JfMF3A+ZOLP7D60vbC22IpiJJC3Y+65s9Jti47vrzTD/AFA0NsabsFUPyEIrTeKFGNz+ efXFv6MS7v0kruyd8CoIZEOi/DiLOckYUIFruf0J+6Cs0WpBNX2MGtV4JcYSH4neySsO 0jau9X7enng9CSFSefivNi2UVedLRObhw6aTksRe1uB2mhS7Lx3S/UkELbmUrMGfQI3R HN+/T099xAWjU7pQlDS8+kER5lje0mwtUXFUXoe/b2le/4Z010+2IJoqT0ix4wM5M/6m xDDA== X-Gm-Message-State: APjAAAVEseAqyUJl3m7Ze4vhknyDx4nUtjr2KCPEhY9GlYTttTcfLY3L tg4OTnaKiF0DVFnTRqMW9JFpy2QecEM= X-Google-Smtp-Source: APXvYqx51fEyzMIeFlHSW3wszAvuE/evubtnMJqdpkcnlDApcjTKGKOPjcHgj5e2be6cKY2Cl50wmw== X-Received: by 2002:a63:d18:: with SMTP id c24mr5238576pgl.218.1581709609094; Fri, 14 Feb 2020 11:46:49 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 3/4] target/arm: Flush high bits of sve register after AdvSIMD ZIP/UZP/TRN Date: Fri, 14 Feb 2020 11:46:42 -0800 Message-Id: <20200214194643.23317-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214194643.23317-1-richard.henderson@linaro.org> References: <20200214194643.23317-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::542 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: peter.maydell@linaro.org, qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Writes to AdvSIMD registers flush the bits above 128. Signed-off-by: Richard Henderson --- target/arm/translate-a64.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 096a854aed..b83d09dbcd 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -7054,6 +7054,7 @@ static void disas_simd_zip_trn(DisasContext *s, uint3= 2_t insn) tcg_temp_free_i64(tcg_resl); write_vec_element(s, tcg_resh, rd, 1, MO_64); tcg_temp_free_i64(tcg_resh); + clear_vec_high(s, true, rd); } =20 /* --=20 2.20.1 From nobody Thu Nov 13 16:32:42 2025 Delivered-To: importer@patchew.org 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; Authentication-Results: mx.zohomail.com; dkim=pass; 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=pass(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 158170990058382.02137931562083; Fri, 14 Feb 2020 11:51:40 -0800 (PST) Received: from localhost ([::1]:44952 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j2gzz-0000dU-Cz for importer@patchew.org; Fri, 14 Feb 2020 14:51:39 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:49135) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1j2gvN-00037Y-0r for qemu-devel@nongnu.org; Fri, 14 Feb 2020 14:46:53 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1j2gvM-0003jT-1N for qemu-devel@nongnu.org; Fri, 14 Feb 2020 14:46:52 -0500 Received: from mail-pf1-x443.google.com ([2607:f8b0:4864:20::443]:36556) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1j2gvL-0003hr-SR for qemu-devel@nongnu.org; Fri, 14 Feb 2020 14:46:51 -0500 Received: by mail-pf1-x443.google.com with SMTP id 185so5369074pfv.3 for ; Fri, 14 Feb 2020 11:46:51 -0800 (PST) Received: from localhost.localdomain (97-126-123-70.tukw.qwest.net. [97.126.123.70]) by smtp.gmail.com with ESMTPSA id g13sm7558851pfo.169.2020.02.14.11.46.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Feb 2020 11:46:49 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=i9ICx5m4aSdGj4L1nDxzhVPY7OzLfpXf253QffS8JKA=; b=K8LGnh84Nrrd3nE298GCfMR7/6BL24/VIp8w9aPH9mR54ArbMql3BGbqShY8hNjdCY ZwPold/9ESpz9ACocA8pwtBe/+DpQ0R2iDc3yLlBidS+++0WNM/NUW+UFW+7xuvtp+4I rYt2gCDOkLgr7oB/gni0wkskQBbIVuqI01OvnKPehAOAEnKjZiNv9PzDqNdwjWMh7eML Sv/vsO8RucydO1QXf7WDY6mQXXAZxLriZT0aSqf63vUdIIlUaW5YsevK+KRKGB+ACvvN yl2SwHtChrEi2iltQzi/HaPQ10bAApuK9fVFHIugVPDjMKDSyRsF6S08GacRkfQyo7jE BdGw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=i9ICx5m4aSdGj4L1nDxzhVPY7OzLfpXf253QffS8JKA=; b=BrCUqvx42boK6AHE13DOzBs20y+r8UhLuz67iTOp1glEsGQA8co/Eza3TiPoEQezlx wXC27n532H+lHqaVGp1vbW4iITksRdbTVdterO8pik+sXXvRE1jPGMZ8Z8ZpRtUz/NN9 98PY5ogcAlzes9fFMRGzjKNaxaEU8htojUpGq1vWLJx2dKp69FIFbZSNLqzAZ93euRGe lpbFE+31sF88yUjRNiob5mcZ8XCKHmniSry0cPAAhn1FkDR56rzdZUV9ecIPUR9qJgnq MhRDHhSVLItLMXg4Mt7CQ5Aann1juayfGYSFSmogR+rhSvMsNW5kqzaWvRlh9IvgBDXx 9RWA== X-Gm-Message-State: APjAAAW0FE5IP9tcl1ImT3uPkDnGeMkyVqYDAUV9waITUXRQtLprAVV+ XUPOr9jqh8Z0U+v1llOCTK+QIIYCE6M= X-Google-Smtp-Source: APXvYqzJJRcmIeYlJ1UsjYDZFzcnh1yoQwNU6q2FDjvSfC39dpubmI0xdsg3DSLi2Egldkr0WJjKxQ== X-Received: by 2002:a63:b047:: with SMTP id z7mr5172631pgo.431.1581709610587; Fri, 14 Feb 2020 11:46:50 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH 4/4] target/arm: Flush high bits of sve register after AdvSIMD INS Date: Fri, 14 Feb 2020 11:46:43 -0800 Message-Id: <20200214194643.23317-5-richard.henderson@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214194643.23317-1-richard.henderson@linaro.org> References: <20200214194643.23317-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::443 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: peter.maydell@linaro.org, qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) Content-Type: text/plain; charset="utf-8" Writes to AdvSIMD registers flush the bits above 128. Signed-off-by: Richard Henderson --- target/arm/translate-a64.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index b83d09dbcd..bd68588a71 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -7412,6 +7412,9 @@ static void handle_simd_inse(DisasContext *s, int rd,= int rn, write_vec_element(s, tmp, rd, dst_index, size); =20 tcg_temp_free_i64(tmp); + + /* INS is considered a 128-bit write for SVE. */ + clear_vec_high(s, true, rd); } =20 =20 @@ -7441,6 +7444,9 @@ static void handle_simd_insg(DisasContext *s, int rd,= int rn, int imm5) =20 idx =3D extract32(imm5, 1 + size, 4 - size); write_vec_element(s, cpu_reg(s, rn), rd, idx, size); + + /* INS is considered a 128-bit write for SVE. */ + clear_vec_high(s, true, rd); } =20 /* --=20 2.20.1