From nobody Mon Feb 9 09:34:21 2026 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.zohomail.com; dkim=fail; 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 1501826632042404.83504669148715; Thu, 3 Aug 2017 23:03:52 -0700 (PDT) Received: from localhost ([::1]:37215 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ddViA-00047r-G7 for importer@patchew.org; Fri, 04 Aug 2017 02:03:50 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59988) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1ddVPo-00049b-65 for qemu-devel@nongnu.org; Fri, 04 Aug 2017 01:44:53 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1ddVPn-0003pz-DS for qemu-devel@nongnu.org; Fri, 04 Aug 2017 01:44:52 -0400 Received: from mail-pg0-x241.google.com ([2607:f8b0:400e:c05::241]:33066) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1ddVPn-0003oc-8a for qemu-devel@nongnu.org; Fri, 04 Aug 2017 01:44:51 -0400 Received: by mail-pg0-x241.google.com with SMTP id u185so853984pgb.0 for ; Thu, 03 Aug 2017 22:44:51 -0700 (PDT) Received: from bigtime.twiddle.net (97-126-108-236.tukw.qwest.net. [97.126.108.236]) by smtp.gmail.com with ESMTPSA id o14sm1061063pfi.158.2017.08.03.22.44.49 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 03 Aug 2017 22:44:49 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:subject:date:message-id:in-reply-to:references; bh=kDaZKPZ+qGIvGuQ/c4u6UAvwkpHrBioMfnL6xFXBg9g=; b=pOjkU5HA223wXExm16jV/jqQnCRKEHwir3GPcuHOTR/W/7CePXu0ra8BaL8uoX2YjO PfIcDbinEmLNH9Z4POgTC68GHa4457T0XEPhxldMyU0j5eFvKr9HyMHwES7b85+eWaDB yPY/8coCwnNBFN/imQyTDpt/w7NvzCJLicfxPUAr9NHtBamBgttJTS16zVH/O9VERheJ Iau+NtGcT7lmNanPnPKoyIluOJE195/PvFtf6zY3uGfl0SYGVpCS8rHfEctMqD7B65fs ZOnS99JVzeanChALleRylWt+u9FygM+gwS0kRkntTViP06MoUjFRg6p9u/J08wsDss+r NwSw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:subject:date:message-id :in-reply-to:references; bh=kDaZKPZ+qGIvGuQ/c4u6UAvwkpHrBioMfnL6xFXBg9g=; b=jaiFFdJkuJNw5hw7w+49NOVwvIyPDzEbMjzxZuyPX1RgxQZV7KgBPI/IX7Ny9hqn/j x/kk0pcO0EX1QOlTfKyEH76yJ1Okn76gFZlAaZOYbOfwX9nRiyzz4SHtw7XiFCe4HKTq heTxTaXaxPVyC6sc96dipAYUo/7F0xLo7EpYeFKTC0TdSupOdYWLoISSbg0kD+wRli9Z a3/Jt870iwXKYSMXwKNQm1/QXsS6yvKEIEPKFKItYfHarE/6a+wZfTWItLPbbdqUfnV3 lJ4va0rYdmgm1lmYM1Mo59Nj3QrPqUx3fXuiT0Nf6bvnf9RPdUpaad2mwlckRcmhc4/i xMBw== X-Gm-Message-State: AIVw113kSThGX+cwJgsorrYZhSqLDPwslH3RQ+W47ZFCSdnyZIdqWhEM +xTvtVVLGdUsc//Vd3I= X-Received: by 10.84.139.40 with SMTP id 37mr1422892plq.153.1501825490148; Thu, 03 Aug 2017 22:44:50 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Thu, 3 Aug 2017 22:44:25 -0700 Message-Id: <20170804054426.10590-23-rth@twiddle.net> X-Mailer: git-send-email 2.13.3 In-Reply-To: <20170804054426.10590-1-rth@twiddle.net> References: <20170804054426.10590-1-rth@twiddle.net> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:400e:c05::241 Subject: [Qemu-devel] [PATCH for-2.11 22/23] tcg/ppc: Look for shifted constants 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: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZohoMail: RDKM_2 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- tcg/ppc/tcg-target.inc.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/tcg/ppc/tcg-target.inc.c b/tcg/ppc/tcg-target.inc.c index bc14d2c9c6..4b32809217 100644 --- a/tcg/ppc/tcg-target.inc.c +++ b/tcg/ppc/tcg-target.inc.c @@ -598,6 +598,7 @@ static void tcg_out_movi_int(TCGContext *s, TCGType typ= e, TCGReg ret, { intptr_t tb_diff; int32_t high; + int lsb; =20 tcg_debug_assert(TCG_TARGET_REG_BITS =3D=3D 64 || type =3D=3D TCG_TYPE= _I32); =20 @@ -638,6 +639,14 @@ static void tcg_out_movi_int(TCGContext *s, TCGType ty= pe, TCGReg ret, return; } =20 + lsb =3D ctz64(arg); + high =3D arg >> lsb; + if (arg =3D=3D (int16_t)arg) { + tcg_out32(s, ADDI | TAI(ret, 0, high)); + tcg_out_shli64(s, ret, ret, lsb); + return; + } + high =3D arg >> 31 >> 1; tcg_out_movi(s, TCG_TYPE_I32, ret, high); if (high) { --=20 2.13.3