From nobody Thu Nov 6 19:08:55 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zoho.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1488344390202482.8477688406334; Tue, 28 Feb 2017 20:59:50 -0800 (PST) Received: from localhost ([::1]:38414 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciwMe-0004oW-VQ for importer@patchew.org; Tue, 28 Feb 2017 23:59:49 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46630) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciw7r-00087r-Sf for qemu-devel@nongnu.org; Tue, 28 Feb 2017 23:44:35 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ciw7p-0000Am-BI for qemu-devel@nongnu.org; Tue, 28 Feb 2017 23:44:31 -0500 Received: from ozlabs.org ([2401:3900:2:1::2]:53405) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ciw7o-00007G-Qn; Tue, 28 Feb 2017 23:44:29 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 3vY2sT4nHjz9sNx; Wed, 1 Mar 2017 15:44:11 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1488343453; bh=gzXgVnumAgtZIdEJ3BqPKGfqN6FqdsGFdnBDUtR18y8=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=OQzjSZ9nfr4dytx47jReWSiUUf3HW/HGaEittDb+2W19Z+blmGDlK6H6NCsEIE0Fc Vwn4ZN3WuO+185Fd4LsEULB2cJ6dmxgrsvhD/FtqCp3Yao2p1qCjTEJr+lnlzeCbKj b99q4qgNKeHUSfkB3+mL0xPry6arMUsUlOmEGlec= From: David Gibson To: peter.maydell@linaro.org Date: Wed, 1 Mar 2017 15:43:36 +1100 Message-Id: <20170301044405.1792-22-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170301044405.1792-1-david@gibson.dropbear.id.au> References: <20170301044405.1792-1-david@gibson.dropbear.id.au> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2401:3900:2:1::2 Subject: [Qemu-devel] [PULL 21/50] target/ppc: add ov32 flag for multiply low insns X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: lvivier@redhat.com, thuth@redhat.com, qemu-devel@nongnu.org, Nikunj A Dadhania , aik@ozlabs.ru, mdroth@linux.vnet.ibm.com, agraf@suse.de, qemu-ppc@nongnu.org, David Gibson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" From: Nikunj A Dadhania For Multiply Word: SO, OV, and OV32 bits reflects overflow of the 32-bit result For Multiply DoubleWord: SO, OV, and OV32 bits reflects overflow of the 64-bit result Signed-off-by: Nikunj A Dadhania Reviewed-by: Richard Henderson Signed-off-by: David Gibson --- target/ppc/translate.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index d4d9941..ccf3bff 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -1285,6 +1285,9 @@ static void gen_mullwo(DisasContext *ctx) tcg_gen_sari_i32(t0, t0, 31); tcg_gen_setcond_i32(TCG_COND_NE, t0, t0, t1); tcg_gen_extu_i32_tl(cpu_ov, t0); + if (is_isa300(ctx)) { + tcg_gen_mov_tl(cpu_ov32, cpu_ov); + } tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); =20 tcg_temp_free_i32(t0); @@ -1346,6 +1349,9 @@ static void gen_mulldo(DisasContext *ctx) =20 tcg_gen_sari_i64(t0, t0, 63); tcg_gen_setcond_i64(TCG_COND_NE, cpu_ov, t0, t1); + if (is_isa300(ctx)) { + tcg_gen_mov_tl(cpu_ov32, cpu_ov); + } tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); =20 tcg_temp_free_i64(t0); --=20 2.9.3