From nobody Sat Jul 12 15:00:46 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 148601865614391.32869490893734; Wed, 1 Feb 2017 22:57:36 -0800 (PST) Received: from localhost ([::1]:54798 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cZBKo-0000Bu-9j for importer@patchew.org; Thu, 02 Feb 2017 01:57:34 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52699) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cZ9kG-0007wq-JC for qemu-devel@nongnu.org; Thu, 02 Feb 2017 00:15:52 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cZ9k9-0004GU-4k for qemu-devel@nongnu.org; Thu, 02 Feb 2017 00:15:44 -0500 Received: from ozlabs.org ([2401:3900:2:1::2]:42193) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cZ9k8-0004CK-EW; Thu, 02 Feb 2017 00:15:36 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 3vDSqZ1ycNz9s7V; Thu, 2 Feb 2017 16:15:01 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1486012506; bh=VyIuE0Ufx3qqswssc6y7xhf71F4RDrwkYtrt0QsvlO0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=lc57ZJMqOzuO/dUs1x9kkk5kqmrLtX15I6ihQo8UlarUZbYb0aCDsT3kx8Eje35RC R5lM/F8+byg/TgyqL/CADNWDqj3OEEsen3OZHmyTWxLcoqz8VnQ+uihw6M4Y365CKG X5A7lpoBS+/vyMdzDob+/9Dv6oY6g8fA16GDrswg= From: David Gibson To: peter.maydell@linaro.org Date: Thu, 2 Feb 2017 16:14:20 +1100 Message-Id: <20170202051445.5735-83-david@gibson.dropbear.id.au> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170202051445.5735-1-david@gibson.dropbear.id.au> References: <20170202051445.5735-1-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 082/107] target-ppc: Add xvxsigdp instruction 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, Nikunj A Dadhania , qemu-devel@nongnu.org, mdroth@linux.vnet.ibm.com, agraf@suse.de, aik@ozlabs.ru, 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 xvxsigdp: VSX Vector Extract Significand Dual Precision Signed-off-by: Nikunj A Dadhania Signed-off-by: David Gibson --- target/ppc/translate/vsx-impl.inc.c | 40 +++++++++++++++++++++++++++++++++= ++++ target/ppc/translate/vsx-ops.inc.c | 1 + 2 files changed, 41 insertions(+) diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx= -impl.inc.c index 4e57af7..7e068a4 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -1432,6 +1432,46 @@ static void gen_xvxexpdp(DisasContext *ctx) =20 GEN_VSX_HELPER_2(xvxsigsp, 0x00, 0x04, 0, PPC2_ISA300) =20 +static void gen_xvxsigdp(DisasContext *ctx) +{ + TCGv_i64 xth =3D cpu_vsrh(xT(ctx->opcode)); + TCGv_i64 xtl =3D cpu_vsrl(xT(ctx->opcode)); + TCGv_i64 xbh =3D cpu_vsrh(xB(ctx->opcode)); + TCGv_i64 xbl =3D cpu_vsrl(xB(ctx->opcode)); + + TCGv_i64 t0, zr, nan, exp; + + if (unlikely(!ctx->vsx_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VSXU); + return; + } + exp =3D tcg_temp_new_i64(); + t0 =3D tcg_temp_new_i64(); + zr =3D tcg_const_i64(0); + nan =3D tcg_const_i64(2047); + + tcg_gen_shri_i64(exp, xbh, 52); + tcg_gen_andi_i64(exp, exp, 0x7FF); + tcg_gen_movi_i64(t0, 0x0010000000000000); + tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, zr, zr, t0); + tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, nan, zr, t0); + tcg_gen_andi_i64(xth, xbh, 0x000FFFFFFFFFFFFF); + tcg_gen_or_i64(xth, xth, t0); + + tcg_gen_shri_i64(exp, xbl, 52); + tcg_gen_andi_i64(exp, exp, 0x7FF); + tcg_gen_movi_i64(t0, 0x0010000000000000); + tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, zr, zr, t0); + tcg_gen_movcond_i64(TCG_COND_EQ, t0, exp, nan, zr, t0); + tcg_gen_andi_i64(xtl, xbl, 0x000FFFFFFFFFFFFF); + tcg_gen_or_i64(xtl, xtl, t0); + + tcg_temp_free_i64(t0); + tcg_temp_free_i64(exp); + tcg_temp_free_i64(zr); + tcg_temp_free_i64(nan); +} + #undef GEN_XX2FORM #undef GEN_XX3FORM #undef GEN_XX2IFORM diff --git a/target/ppc/translate/vsx-ops.inc.c b/target/ppc/translate/vsx-= ops.inc.c index 2c4f641..367fd38 100644 --- a/target/ppc/translate/vsx-ops.inc.c +++ b/target/ppc/translate/vsx-ops.inc.c @@ -127,6 +127,7 @@ GEN_VSX_XFORM_300(xsiexpqp, 0x4, 0x1B, 0x00000001), GEN_XX3FORM(xviexpsp, 0x00, 0x1B, PPC2_ISA300), GEN_XX3FORM(xviexpdp, 0x00, 0x1F, PPC2_ISA300), GEN_XX2FORM_EO(xvxexpdp, 0x16, 0x1D, 0x00, PPC2_ISA300), +GEN_XX2FORM_EO(xvxsigdp, 0x16, 0x1D, 0x01, PPC2_ISA300), GEN_XX2FORM_EO(xvxexpsp, 0x16, 0x1D, 0x08, PPC2_ISA300), GEN_XX2FORM_EO(xvxsigsp, 0x16, 0x1D, 0x09, PPC2_ISA300), =20 --=20 2.9.3