From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6A55EC433F5 for ; Thu, 21 Oct 2021 21:08:30 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id AEDF46109F for ; Thu, 21 Oct 2021 21:08:29 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org AEDF46109F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:49340 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mdfIa-0001sT-Iu for qemu-devel@archiver.kernel.org; Thu, 21 Oct 2021 17:08:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48128) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mdfFy-0007JW-IF for qemu-devel@nongnu.org; Thu, 21 Oct 2021 17:05:46 -0400 Received: from mail-pf1-x436.google.com ([2607:f8b0:4864:20::436]:35526) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mdfFu-00046N-M9 for qemu-devel@nongnu.org; Thu, 21 Oct 2021 17:05:46 -0400 Received: by mail-pf1-x436.google.com with SMTP id c29so1780934pfp.2 for ; Thu, 21 Oct 2021 14:05:42 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=QhHFRrZYacYsRy1TJQU6Qswa8lTc1e0qgAtpaGMhakQ=; b=HSVQRmLLPx8k4E3G1DXehyF6uE6hi5weRU75D2hk1V8vk8dcLkKtpsvSIgL3aEcF45 gEQ5bRjhtzkjLIZhkb0uKh4U4Aayf0hadLj/XmJBr/fFk1aAiVroSHUNKMPbj/ggiPAv 5x7zhbhTaMveagMf2FSgLcYzqRNMxLnyXHRNeAQIBE9wiUdqcscwAXc1qnX2ejOHP5zU SnJE5N2TEWfDHTF4MFn1seKKog8/JMS6u7lBFW1CV+IHXf0gICebCoAwlMIYwKnoeKIm 0lSII8Mk7PLwWHr/YYtkxy2+aMrlFlXAiloNURZ02DfjYmABaYISB6wY88O+MWJQAam+ BWyA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=QhHFRrZYacYsRy1TJQU6Qswa8lTc1e0qgAtpaGMhakQ=; b=XEDt2Khw1H172+U2dkHHP/5/js1ZgTVhwMOsCzdVA+KPlkyMa4pw69EAaGnGqIcUTH N4hYXkfB2yrcJAgKJj/VZULq5fk44SEEGFtcxKdCGXsVXlMdbcYTeqTid7utpIaVvCE/ 5a3xWX7/LELELVPAh60EHOYLixH9I97HUiQeQlsGNEY1Ww+axwQmumTu35/AOSv+0Nxn R+BHXhAlo7Fp2uKIY4B5pNp3+O7dJdibldL0lPdELsXkR5z7CF+mBh3+jPDWGsblbpjD h3kSA3dpVHpAvxp00W11SQ/IO+lGG2EbLe3woxjPdty5dGFNLJTBLYwmZWn0FNOzLdUa d+cw== X-Gm-Message-State: AOAM5335QHpdIklspnZksCTH1cBM/GOxE17Ti3LY8JiIcx4D+NQuV9Dz DbCX+Esd6mqZJfDUaRCdlukWk8ej9M8wUQ== X-Google-Smtp-Source: ABdhPJxwOWf/hs+K68FtkLTh1HGybbl9lOo2DAFkGTWxFWZ8YvrbZPFFCHK60umqEWeTYgXW7eqhGA== X-Received: by 2002:a05:6a00:2389:b0:44d:6d57:a38e with SMTP id f9-20020a056a00238900b0044d6d57a38emr8466216pfc.50.1634850340765; Thu, 21 Oct 2021 14:05:40 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id g7sm5981670pgp.17.2021.10.21.14.05.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 21 Oct 2021 14:05:40 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 00/48] tcg: optimize redundant sign extensions Date: Thu, 21 Oct 2021 14:04:51 -0700 Message-Id: <20211021210539.825582-1-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::436; envelope-from=richard.henderson@linaro.org; helo=mail-pf1-x436.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: luis.pires@eldorado.org.br, alex.bennee@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Currently, we have support for optimizing redundant zero extensions, which I think was done with x86 and aarch64 in mind, which zero-extend all 32-bit operations into the 64-bit register. But targets like Alpha, MIPS, and RISC-V do sign-extensions instead. But before that, split the quite massive tcg_optimize function. r~ Changes for v3: * Fix brcond2 bug (luis) * Fix fold_count_zeros typo. * Rebase and fix up int128.h conflict. Changes for v2: * Rebase, adjusting MemOpIdx renaming. * Apply r-b and some feedback (f4bug). Patches lacking review: 17-tcg-optimize-Split-out-fold_brcond2.patch 20-tcg-optimize-Split-out-fold_mulu2_i32.patch 21-tcg-optimize-Split-out-fold_addsub2_i32.patch 22-tcg-optimize-Split-out-fold_movcond.patch 23-tcg-optimize-Split-out-fold_extract2.patch 24-tcg-optimize-Split-out-fold_extract-fold_sextract.patch 25-tcg-optimize-Split-out-fold_deposit.patch 26-tcg-optimize-Split-out-fold_count_zeros.patch 28-tcg-optimize-Split-out-fold_dup-fold_dup2.patch 33-tcg-optimize-Add-type-to-OptContext.patch 34-tcg-optimize-Split-out-fold_to_not.patch 35-tcg-optimize-Split-out-fold_sub_to_neg.patch 36-tcg-optimize-Split-out-fold_xi_to_x.patch 37-tcg-optimize-Split-out-fold_ix_to_i.patch 38-tcg-optimize-Split-out-fold_masks.patch 39-tcg-optimize-Expand-fold_mulu2_i32-to-all-4-arg-m.patch 41-tcg-optimize-Sink-commutative-operand-swapping-in.patch 42-tcg-optimize-Add-more-simplifications-for-orc.patch 43-tcg-optimize-Stop-forcing-z_mask-to-garbage-for-3.patch 44-tcg-optimize-Optimize-sign-extensions.patch 46-tcg-optimize-Propagate-sign-info-for-setcond.patch 47-tcg-optimize-Propagate-sign-info-for-bit-counting.patch 48-tcg-optimize-Propagate-sign-info-for-shifting.patch Richard Henderson (48): tcg/optimize: Rename "mask" to "z_mask" tcg/optimize: Split out OptContext tcg/optimize: Remove do_default label tcg/optimize: Change tcg_opt_gen_{mov,movi} interface tcg/optimize: Move prev_mb into OptContext tcg/optimize: Split out init_arguments tcg/optimize: Split out copy_propagate tcg/optimize: Split out fold_call tcg/optimize: Drop nb_oargs, nb_iargs locals tcg/optimize: Change fail return for do_constant_folding_cond* tcg/optimize: Return true from tcg_opt_gen_{mov,movi} tcg/optimize: Split out finish_folding tcg/optimize: Use a boolean to avoid a mass of continues tcg/optimize: Split out fold_mb, fold_qemu_{ld,st} tcg/optimize: Split out fold_const{1,2} tcg/optimize: Split out fold_setcond2 tcg/optimize: Split out fold_brcond2 tcg/optimize: Split out fold_brcond tcg/optimize: Split out fold_setcond tcg/optimize: Split out fold_mulu2_i32 tcg/optimize: Split out fold_addsub2_i32 tcg/optimize: Split out fold_movcond tcg/optimize: Split out fold_extract2 tcg/optimize: Split out fold_extract, fold_sextract tcg/optimize: Split out fold_deposit tcg/optimize: Split out fold_count_zeros tcg/optimize: Split out fold_bswap tcg/optimize: Split out fold_dup, fold_dup2 tcg/optimize: Split out fold_mov tcg/optimize: Split out fold_xx_to_i tcg/optimize: Split out fold_xx_to_x tcg/optimize: Split out fold_xi_to_i tcg/optimize: Add type to OptContext tcg/optimize: Split out fold_to_not tcg/optimize: Split out fold_sub_to_neg tcg/optimize: Split out fold_xi_to_x tcg/optimize: Split out fold_ix_to_i tcg/optimize: Split out fold_masks tcg/optimize: Expand fold_mulu2_i32 to all 4-arg multiplies tcg/optimize: Expand fold_addsub2_i32 to 64-bit ops tcg/optimize: Sink commutative operand swapping into fold functions tcg/optimize: Add more simplifications for orc tcg/optimize: Stop forcing z_mask to "garbage" for 32-bit values tcg/optimize: Optimize sign extensions tcg/optimize: Propagate sign info for logical operations tcg/optimize: Propagate sign info for setcond tcg/optimize: Propagate sign info for bit counting tcg/optimize: Propagate sign info for shifting tcg/optimize.c | 2600 +++++++++++++++++++++++++++++------------------- 1 file changed, 1583 insertions(+), 1017 deletions(-) -- 2.25.1