From nobody Thu Nov 6 19:10:40 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 1488343666612591.2403741493991; Tue, 28 Feb 2017 20:47:46 -0800 (PST) Received: from localhost ([::1]:38348 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciwAz-0001s3-CO for importer@patchew.org; Tue, 28 Feb 2017 23:47:45 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:46249) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ciw7i-0007ux-E8 for qemu-devel@nongnu.org; Tue, 28 Feb 2017 23:44:24 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ciw7g-0008Te-O2 for qemu-devel@nongnu.org; Tue, 28 Feb 2017 23:44:22 -0500 Received: from ozlabs.org ([103.22.144.67]:44797) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1ciw7g-0008SQ-C4; Tue, 28 Feb 2017 23:44:20 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 3vY2sR3Lm5z9s8S; 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=sopTgBL9YoVKy3FV2HY9sd6NPJoHUTUsijI6DBMGzT4=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=TH8OvtqWVguGv0t3d1uERtp1lUOYTMfg1Uje5mTBjk0Wb/H1GRQjwk4NtjNM0Q6lc SV3AGOC9HKffMPsd3DooS9NT0wNJEg9IQNMCzeIo01sZpkbVpunv3fcYG7QLg3wE0s P90Y5lT35R6YTVSVfF84j4Zth+eo/fx+VLQ6f7pg= From: David Gibson To: peter.maydell@linaro.org Date: Wed, 1 Mar 2017 15:43:33 +1100 Message-Id: <20170301044405.1792-19-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 18/50] target/ppc: update ca32 in arithmetic substract 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 Signed-off-by: Nikunj A Dadhania Reviewed-by: Richard Henderson Signed-off-by: David Gibson --- target/ppc/translate.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/target/ppc/translate.c b/target/ppc/translate.c index eba83ef..e083082 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -827,7 +827,11 @@ static inline void gen_op_arith_compute_ca32(DisasCont= ext *ctx, } =20 t0 =3D tcg_temp_new(); - tcg_gen_xor_tl(t0, arg0, arg1); + if (sub) { + tcg_gen_eqv_tl(t0, arg0, arg1); + } else { + 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); @@ -1378,17 +1382,22 @@ static inline void gen_op_arith_subf(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 if (add_ca) { TCGv zero, inv1 =3D tcg_temp_new(); tcg_gen_not_tl(inv1, arg1); zero =3D tcg_const_tl(0); tcg_gen_add2_tl(t0, cpu_ca, arg2, zero, cpu_ca, zero); tcg_gen_add2_tl(t0, cpu_ca, t0, cpu_ca, inv1, zero); + gen_op_arith_compute_ca32(ctx, t0, inv1, arg2, 0); tcg_temp_free(zero); tcg_temp_free(inv1); } else { tcg_gen_setcond_tl(TCG_COND_GEU, cpu_ca, arg2, arg1); tcg_gen_sub_tl(t0, arg2, arg1); + gen_op_arith_compute_ca32(ctx, t0, arg1, arg2, 1); } } else if (add_ca) { /* Since we're ignoring carry-out, we can simplify the --=20 2.9.3