From nobody Thu Nov 6 19:07:22 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 1488343937944978.1606118664713; Tue, 28 Feb 2017 20:52:17 -0800 (PST) Received: from localhost ([::1]:38371 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciwFM-0005ec-GE for importer@patchew.org; Tue, 28 Feb 2017 23:52:16 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46324) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciw7j-0007wc-W1 for qemu-devel@nongnu.org; Tue, 28 Feb 2017 23:44:25 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ciw7i-0008VA-Gq for qemu-devel@nongnu.org; Tue, 28 Feb 2017 23:44:23 -0500 Received: from ozlabs.org ([103.22.144.67]:57795) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ciw7i-0008TB-4w; Tue, 28 Feb 2017 23:44:22 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 3vY2sR3vGjz9sNg; 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=1488343451; bh=t7aRJEYlEKFkbj4oEEbRkMP+lLOnHDIDvXsZwoa+o9E=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=ZRUqk5OJ/7g3egFYgPMLpMaYdKnsig7PXwx22rR119UU/Da/M/TmpBPCjcEAWdDyJ y0OzqyPw8mticTrqzZCS/slSiGAst96/jE5m9cQA9aBro33RTwwdqZuI3F+vDy2v1z HyO6OlO/exY5j8gYwuzIGwebU6o9jEUBgk4smrq0= From: David Gibson To: peter.maydell@linaro.org Date: Wed, 1 Mar 2017 15:43:32 +1100 Message-Id: <20170301044405.1792-18-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: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 103.22.144.67 Subject: [Qemu-devel] [PULL 17/50] target/ppc: update ca32 in arithmetic add 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 Adds routine to compute ca32 - gen_op_arith_compute_ca32 For 64-bit mode use the compute ca32 routine. While for 32-bit mode, CA and CA32 will have same value. Signed-off-by: Nikunj A Dadhania Reviewed-by: Richard Henderson Signed-off-by: David Gibson --- target/ppc/translate.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index be7378b..eba83ef 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -816,6 +816,23 @@ static inline void gen_op_arith_compute_ov(DisasContex= t *ctx, TCGv arg0, tcg_gen_or_tl(cpu_so, cpu_so, cpu_ov); } =20 +static inline void gen_op_arith_compute_ca32(DisasContext *ctx, + TCGv res, TCGv arg0, TCGv arg= 1, + int sub) +{ + TCGv t0; + + if (!is_isa300(ctx)) { + return; + } + + t0 =3D tcg_temp_new(); + tcg_gen_xor_tl(t0, arg0, arg1); + tcg_gen_xor_tl(t0, t0, res); + tcg_gen_extract_tl(cpu_ca32, t0, 32, 1); + tcg_temp_free(t0); +} + /* Common add function */ static inline void gen_op_arith_add(DisasContext *ctx, TCGv ret, TCGv arg1, TCGv arg2, bool add_ca, bool compute_c= a, @@ -842,6 +859,9 @@ static inline void gen_op_arith_add(DisasContext *ctx, = TCGv ret, TCGv arg1, tcg_temp_free(t1); tcg_gen_shri_tl(cpu_ca, cpu_ca, 32); /* extract bit 32 */ tcg_gen_andi_tl(cpu_ca, cpu_ca, 1); + if (is_isa300(ctx)) { + tcg_gen_mov_tl(cpu_ca32, cpu_ca); + } } else { TCGv zero =3D tcg_const_tl(0); if (add_ca) { @@ -850,6 +870,7 @@ static inline void gen_op_arith_add(DisasContext *ctx, = TCGv ret, TCGv arg1, } else { tcg_gen_add2_tl(t0, cpu_ca, arg1, zero, arg2, zero); } + gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, 0); tcg_temp_free(zero); } } else { --=20 2.9.3