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 X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 8A4CCC3E8C5 for ; Fri, 27 Nov 2020 22:30:33 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 4882021D46 for ; Fri, 27 Nov 2020 22:30:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="G3cNNp5Y" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731355AbgK0WaU (ORCPT ); Fri, 27 Nov 2020 17:30:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51276 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731413AbgK0W12 (ORCPT ); Fri, 27 Nov 2020 17:27:28 -0500 Received: from mail-wr1-x442.google.com (mail-wr1-x442.google.com [IPv6:2a00:1450:4864:20::442]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2F36BC061A04 for ; Fri, 27 Nov 2020 14:27:28 -0800 (PST) Received: by mail-wr1-x442.google.com with SMTP id k14so7046807wrn.1 for ; Fri, 27 Nov 2020 14:27:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=fy1/8aHGLqmG6nr3Py2q0Ie8D12Oq5+K1Jwk8epTuy0=; b=G3cNNp5YbHrTWnHEkQORnLpB3gfhjfGdrLKBJ+s5PwfcI59k6sDrCeuXQVcwyLheBY YpOs2fIpTItnwDf2pptFS6KHmC1gNuriGshLa4H8QDmpA11nQNKPSmfF0ElvXKa6sRs8 livEdZJoAQIFh1LfsA/Fs3KyeGwYyAKqf9v2dIx98uIA1F/pJPl1zmPhiL1hXXpnqPW6 SOvKgJQM6SwoAonNrXGgNZWWUvKQpjyoxky2yhHJcpeaDHzW/MT1xiT7VGIVgi4S0OsD yyWsrwzvW05vsZMw8O7nkTCZyzjcbkZFUacVO3aVqUmyqE1k0ITw3nBKV5qxxm/EbrH3 xxBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=fy1/8aHGLqmG6nr3Py2q0Ie8D12Oq5+K1Jwk8epTuy0=; b=PYAHyoBbHUrSls4OHnJTCJqd/jo2zu9TLaFsqK6UPrq1FxHsS/XD0Qeec3iKShshbU 2qHdVWBO578m4elT4yTwRK8D2nYn/W88Kh+Hz5mE8NPPwn/heAztE1AbEiKVdjc3ArcK y9PqNvDCAjEaKGpKY7+9jbAJDvo/wiBNmjNh05R6cvGx1+JbbNHHOUi8/i3VBKIQCRrZ ElG8zbE00xJsVYjEPKUKG2BUX2M7XK8MtVjCNUC0CEgSDvRiaT3YOy9vRcmAeAPSZqru +HZD3L2gDauqtdLTLxxg1qWol9OqnFT9MvAnirDQe+AO6OBX+yFJwopp2hBf+XZiZLU0 7HiQ== X-Gm-Message-State: AOAM530mSToIqAlEbYa8sK/xvPzt6D4DC0c+bW/zsEKTKbDFXo2K77QE x4KYvQzb6PFEGGSyMTgatAB/9YAoETU= X-Google-Smtp-Source: ABdhPJwTdwkC0cIQaBWjkzXJhiI0CQBrnGOF9Flo43IsYiCUTdgr5Wnmncnvvidoc2r9APQD/ypYKg== X-Received: by 2002:adf:ba47:: with SMTP id t7mr13209731wrg.47.1606516046749; Fri, 27 Nov 2020 14:27:26 -0800 (PST) Received: from localhost.localdomain ([2a02:a03f:b7fe:f700:f469:b93b:e449:cc30]) by smtp.gmail.com with ESMTPSA id q16sm17347050wrn.13.2020.11.27.14.27.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 27 Nov 2020 14:27:26 -0800 (PST) From: Luc Van Oostenryck To: linux-sparse@vger.kernel.org Cc: Luc Van Oostenryck Subject: [PATCH 4/6] add helper is_pow2() Date: Fri, 27 Nov 2020 23:25:13 +0100 Message-Id: <20201127222516.44915-5-luc.vanoostenryck@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201127222516.44915-1-luc.vanoostenryck@gmail.com> References: <20201127222516.44915-1-luc.vanoostenryck@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-sparse@vger.kernel.org Add is_pow2() to test if a pseudo is a power of 2. Signed-off-by: Luc Van Oostenryck --- simplify.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/simplify.c b/simplify.c index d729b390ae76..0d9391e21a56 100644 --- a/simplify.c +++ b/simplify.c @@ -52,6 +52,15 @@ // Utilities // ^^^^^^^^^ +/// +// check if a pseudo is a power of 2 +static inline bool is_pow2(pseudo_t src) +{ + if (src->type != PSEUDO_VAL) + return false; + return is_power_of_2(src->value); +} + /// // find the trivial parent for a phi-source static struct basic_block *phi_parent(struct basic_block *source, pseudo_t pseudo) -- 2.29.2