From patchwork Thu Feb 2 05:13:56 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: David Gibson X-Patchwork-Id: 722804 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3vDVGr3p2yz9s7B for ; Thu, 2 Feb 2017 17:20:20 +1100 (AEDT) Authentication-Results: ozlabs.org; dkim=fail reason="signature verification failed" (1024-bit key; unprotected) header.d=gibson.dropbear.id.au header.i=@gibson.dropbear.id.au header.b="oaZIr4+t"; dkim-atps=neutral Received: from localhost ([::1]:54570 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cZAkk-0004R1-2w for incoming@patchwork.ozlabs.org; Thu, 02 Feb 2017 01:20:18 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52321) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cZ9k8-0007mT-H6 for qemu-devel@nongnu.org; Thu, 02 Feb 2017 00:15:42 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cZ9k3-00048Z-7b for qemu-devel@nongnu.org; Thu, 02 Feb 2017 00:15:36 -0500 Received: from ozlabs.org ([2401:3900:2:1::2]:55615) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cZ9k2-00045U-MQ; Thu, 02 Feb 2017 00:15:31 -0500 Received: by ozlabs.org (Postfix, from userid 1007) id 3vDSqW4c35z9sDB; Thu, 2 Feb 2017 16:14:59 +1100 (AEDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=gibson.dropbear.id.au; s=201602; t=1486012503; bh=BlFn8WMiLutz1VEnBiJLAshk7DBMzEObWluwSJ3f54A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=oaZIr4+tu55ToB242C+e3GIbqhaZKYtwuRFaEbNnmF8EL0XqSkJYnKA4YkDFVnfkx xZ3G/DW5qs6TlvjbOZpm6cleMCqTcbsUX71H2o8CWvXIZl8cs4n0ekFFTuG4ufhSUm t31udJ8vz7Nlf4BNZ2Wu1EkFZ46aXwQO9BTWSt8o= From: David Gibson To: peter.maydell@linaro.org Date: Thu, 2 Feb 2017 16:13:56 +1100 Message-Id: <20170202051445.5735-59-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 058/107] target-ppc: Add xsxsigdp 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+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" From: Nikunj A Dadhania xsxsigdp: VSX Scalar Extract Significand Dual Precision Signed-off-by: Nikunj A Dadhania Signed-off-by: David Gibson --- target/ppc/translate/vsx-impl.inc.c | 29 +++++++++++++++++++++++++++++ target/ppc/translate/vsx-ops.inc.c | 1 + 2 files changed, 30 insertions(+) diff --git a/target/ppc/translate/vsx-impl.inc.c b/target/ppc/translate/vsx-impl.inc.c index 228e2a5..c6f2208 100644 --- a/target/ppc/translate/vsx-impl.inc.c +++ b/target/ppc/translate/vsx-impl.inc.c @@ -1239,6 +1239,35 @@ static void gen_xsxexpqp(DisasContext *ctx) tcg_gen_andi_i64(xth, xth, 0x7FFF); tcg_gen_movi_i64(xtl, 0); } + +static void gen_xsxsigdp(DisasContext *ctx) +{ + TCGv rt = cpu_gpr[rD(ctx->opcode)]; + TCGv_i64 t0, zr, nan, exp; + + if (unlikely(!ctx->vsx_enabled)) { + gen_exception(ctx, POWERPC_EXCP_VSXU); + return; + } + exp = tcg_temp_new_i64(); + t0 = tcg_temp_new_i64(); + zr = tcg_const_i64(0); + nan = tcg_const_i64(2047); + + tcg_gen_shri_i64(exp, cpu_vsrh(xB(ctx->opcode)), 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(rt, cpu_vsrh(xB(ctx->opcode)), 0x000FFFFFFFFFFFFF); + tcg_gen_or_i64(rt, rt, t0); + + tcg_temp_free_i64(t0); + tcg_temp_free_i64(exp); + tcg_temp_free_i64(zr); + tcg_temp_free_i64(nan); +} + #endif #undef GEN_XX2FORM diff --git a/target/ppc/translate/vsx-ops.inc.c b/target/ppc/translate/vsx-ops.inc.c index 87f1852..1fd5285 100644 --- a/target/ppc/translate/vsx-ops.inc.c +++ b/target/ppc/translate/vsx-ops.inc.c @@ -116,6 +116,7 @@ GEN_VSX_XFORM_300(xscpsgnqp, 0x04, 0x03, 0x00000001), #ifdef TARGET_PPC64 GEN_XX2FORM_EO(xsxexpdp, 0x16, 0x15, 0x00, PPC2_ISA300), GEN_VSX_XFORM_300_EO(xsxexpqp, 0x04, 0x19, 0x02, 0x00000001), +GEN_XX2FORM_EO(xsxsigdp, 0x16, 0x15, 0x01, PPC2_ISA300), #endif GEN_XX2FORM(xvabsdp, 0x12, 0x1D, PPC2_VSX),