From nobody Tue Feb 10 05:45:33 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=listsout.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; dmarc=fail(p=none dis=none) header.from=linaro.org Return-Path: Received: from listsout.gnu.org (listsout.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1546642500538104.35097947917086; Fri, 4 Jan 2019 14:55:00 -0800 (PST) Received: from localhost ([127.0.0.1]:57047 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gfY34-0005ZH-4L for importer@patchew.org; Fri, 04 Jan 2019 17:34:38 -0500 Received: from eggsout.gnu.org ([209.51.188.92]:54790 helo=eggs.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gfY02-0002dW-ME for qemu-devel@nongnu.org; Fri, 04 Jan 2019 17:31:31 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gfY01-0001Dj-QI for qemu-devel@nongnu.org; Fri, 04 Jan 2019 17:31:30 -0500 Received: from mail-it1-x141.google.com ([2607:f8b0:4864:20::141]:33664) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gfY01-0001DX-MK for qemu-devel@nongnu.org; Fri, 04 Jan 2019 17:31:29 -0500 Received: by mail-it1-x141.google.com with SMTP id m8so2327292itk.0 for ; Fri, 04 Jan 2019 14:31:29 -0800 (PST) Received: from cloudburst.twiddle.net ([172.56.12.23]) by smtp.gmail.com with ESMTPSA id t6sm27793259ioc.87.2019.01.04.14.31.26 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Fri, 04 Jan 2019 14:31:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:subject:date:message-id:in-reply-to:references; bh=po3fGKZcEsraXkqBMSX5FPnIKtuOJRDnAJ2/AeZX7VI=; b=faTdPAb1TBGQ2kdTyUf/ne3KM0vGFU78c0h9NFNH2AvMRGln2paiWhJ8uPDMSUjsYW dBBmHAliCHujluhQsepIPzePD3m0tHL6tO12EusGKAiwqtjpjWyAUugtx30s/mLJsgEE GRQAhsZl+Bkrkg2+ssLHIJZ+28n4zUuAJFvgg= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:in-reply-to :references; bh=po3fGKZcEsraXkqBMSX5FPnIKtuOJRDnAJ2/AeZX7VI=; b=myv3NahVC6v1O/0JSKbrHFCtrzNuZFMjqG2TKfHdxa5TkMy3eW8PnU8salI/FXBxj4 Vxcqynvlv22U95wPnyYX3v2FIkoAAGxdftLhWC06S/G6+fTnHXxyEJMIKtBcE507Ttbt s4OIY7dtXAUGOFqgJLQUT6IfnY32poe66R4iJTfTUa6zEJeX/n+lRbfNAk1nhJZICQw8 GRVn1+xOLQqFmPv7XMsqLFAkJim3u7vPwjWM4j+xGc+r2QWdCvADZXWozfKJ9vTK0rQw j8/GOkcuv7fiXP1cBx/+zl7BsjSTQa4TIyatYkVuBfpN0MAES4jP7pCYrI67LEwS420u ysqg== X-Gm-Message-State: AJcUukcPkLtcFilHVVenY0Hlkm4rk5GgH4I2LtCVprY9zyAISzUH/yRr yYJ2wYSrgb3bECvnJ7GtUbKJCAYo5q0= X-Google-Smtp-Source: ALg8bN4SmdkhVUF/Cf8NiqW8F7bRKJlmuBCdmRI/MYwisY8mYfyEneQiy5DaYncoMRv3ZD8Av+mU6g== X-Received: by 2002:a24:57c5:: with SMTP id u188mr2367371ita.54.1546641088647; Fri, 04 Jan 2019 14:31:28 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Date: Sat, 5 Jan 2019 08:31:07 +1000 Message-Id: <20190104223116.14037-2-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20190104223116.14037-1-richard.henderson@linaro.org> References: <20190104223116.14037-1-richard.henderson@linaro.org> X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::141 Subject: [Qemu-devel] [PATCH v2 01/10] tcg: Add logical simplifications during gvec expand 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) Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" We handle many of these during integer expansion, and the rest of them during integer optimization. Reviewed-by: David Gibson Signed-off-by: Richard Henderson --- tcg/tcg-op-gvec.c | 35 ++++++++++++++++++++++++++++++----- 1 file changed, 30 insertions(+), 5 deletions(-) diff --git a/tcg/tcg-op-gvec.c b/tcg/tcg-op-gvec.c index 61c25f5784..ec231b78fb 100644 --- a/tcg/tcg-op-gvec.c +++ b/tcg/tcg-op-gvec.c @@ -1840,7 +1840,12 @@ void tcg_gen_gvec_and(unsigned vece, uint32_t dofs, = uint32_t aofs, .opc =3D INDEX_op_and_vec, .prefer_i64 =3D TCG_TARGET_REG_BITS =3D=3D 64, }; - tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + + if (aofs =3D=3D bofs) { + tcg_gen_gvec_mov(vece, dofs, aofs, oprsz, maxsz); + } else { + tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + } } =20 void tcg_gen_gvec_or(unsigned vece, uint32_t dofs, uint32_t aofs, @@ -1853,7 +1858,12 @@ void tcg_gen_gvec_or(unsigned vece, uint32_t dofs, u= int32_t aofs, .opc =3D INDEX_op_or_vec, .prefer_i64 =3D TCG_TARGET_REG_BITS =3D=3D 64, }; - tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + + if (aofs =3D=3D bofs) { + tcg_gen_gvec_mov(vece, dofs, aofs, oprsz, maxsz); + } else { + tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + } } =20 void tcg_gen_gvec_xor(unsigned vece, uint32_t dofs, uint32_t aofs, @@ -1866,7 +1876,12 @@ void tcg_gen_gvec_xor(unsigned vece, uint32_t dofs, = uint32_t aofs, .opc =3D INDEX_op_xor_vec, .prefer_i64 =3D TCG_TARGET_REG_BITS =3D=3D 64, }; - tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + + if (aofs =3D=3D bofs) { + tcg_gen_gvec_dup8i(dofs, oprsz, maxsz, 0); + } else { + tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + } } =20 void tcg_gen_gvec_andc(unsigned vece, uint32_t dofs, uint32_t aofs, @@ -1879,7 +1894,12 @@ void tcg_gen_gvec_andc(unsigned vece, uint32_t dofs,= uint32_t aofs, .opc =3D INDEX_op_andc_vec, .prefer_i64 =3D TCG_TARGET_REG_BITS =3D=3D 64, }; - tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + + if (aofs =3D=3D bofs) { + tcg_gen_gvec_dup8i(dofs, oprsz, maxsz, 0); + } else { + tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + } } =20 void tcg_gen_gvec_orc(unsigned vece, uint32_t dofs, uint32_t aofs, @@ -1892,7 +1912,12 @@ void tcg_gen_gvec_orc(unsigned vece, uint32_t dofs, = uint32_t aofs, .opc =3D INDEX_op_orc_vec, .prefer_i64 =3D TCG_TARGET_REG_BITS =3D=3D 64, }; - tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + + if (aofs =3D=3D bofs) { + tcg_gen_gvec_dup8i(dofs, oprsz, maxsz, -1); + } else { + tcg_gen_gvec_3(dofs, aofs, bofs, oprsz, maxsz, &g); + } } =20 static const GVecGen2s gop_ands =3D { --=20 2.17.2