From patchwork Wed Mar 10 21:49:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luc Van Oostenryck X-Patchwork-Id: 12129631 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=-15.8 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 E26BAC433E9 for ; Wed, 10 Mar 2021 22:11:45 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id CFBCA64FC6 for ; Wed, 10 Mar 2021 22:11:45 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233209AbhCJWLP (ORCPT ); Wed, 10 Mar 2021 17:11:15 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47002 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233489AbhCJWLI (ORCPT ); Wed, 10 Mar 2021 17:11:08 -0500 Received: from mail-ed1-x532.google.com (mail-ed1-x532.google.com [IPv6:2a00:1450:4864:20::532]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F16AFC061574 for ; Wed, 10 Mar 2021 14:11:07 -0800 (PST) Received: by mail-ed1-x532.google.com with SMTP id l12so127338edt.3 for ; Wed, 10 Mar 2021 14:11:07 -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=WukwxrAgEZQS4XHFx5UY3Y0yVGYgz54qpKrVcDNDIU0=; b=px/cFI9ENfwQp81X4qc2g/cPjFONSAhvxzNzE1bH0z8NBEwOEcZ5cnTTFYb+kMGib2 OHKvr8eGedScoMl1LDceRypP1AwAuNKpadUdgpWX/c361dlThm53FLb7pdO8hPKH4T2W 4uf2g/Jrp58tKsff/7BzhQQQ5Z+VGLIyWjuIYw3oely2CEm3Idx5ciZx/+Fi2YFlTU9e btT/ZT/KMI/+W7NnIz1pRYsKgPRKdw9GpJWCnsQB0SIJktpwICfCUAPlXyMqG9d3ukp7 tipGMUIQYQ54ydmBbWQEctinpVPYjWNC3Rc4vDQ20ylj1kCs6KNjzuC38FBVt5Qku8hQ Aylw== 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=WukwxrAgEZQS4XHFx5UY3Y0yVGYgz54qpKrVcDNDIU0=; b=T6OLyBssru5G5hobbb8rwZbi7oeGyv+6HDdhoLRKzctWd4Ry6DstzKA3xpthizq1kd 6WwIE5fnXbq6XyB0Pxhq0wAreeVyNsGS49oV2bBCDMGfA/J+JuQX3lCfZgT0dFqxoO1s nEYt5cFmy6rf/Aw4cCksNavciMS3qWxgz0p6ynZ8n10Esyhe5vRp71CJ0OdXaYysRJa/ HbTsUYRXBacnJYrqok561cxHcmfuS00fTM9SQqCAqDs3H1FJuRonEyiiUdFRKT37uY6+ dFCZPJ1tllvTG38EPxxpmhrkFRdKRtGoC6DgHFfcZxJLHwxVUFu0V/OvFnhOcAnSGx2n LWCQ== X-Gm-Message-State: AOAM5305XF5rvaLaiTwRIkNKFn0MWUIvlGuHkRVTEorxmeP0XRV9lS4D Vh5WdwhZ3rEvODk745jwC0Em8NzANGA= X-Google-Smtp-Source: ABdhPJzF9ipOL1aBwe7Qjp7i/zmKQCHevFwxEiMBxo4cg1GpaOk2t25W188BFv1Wqs3iIwJ25QgcKA== X-Received: by 2002:a05:6402:22f6:: with SMTP id dn22mr5506909edb.214.1615414266779; Wed, 10 Mar 2021 14:11:06 -0800 (PST) Received: from localhost.localdomain ([2a02:a03f:b7fe:f700:196c:c08:d4ab:a1ba]) by smtp.gmail.com with ESMTPSA id ld19sm344326ejb.102.2021.03.10.14.11.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 10 Mar 2021 14:11:06 -0800 (PST) From: Luc Van Oostenryck To: linux-sparse@vger.kernel.org Cc: Luc Van Oostenryck Subject: [PATCH 9/9] simplify (x | M) cmpu C Date: Wed, 10 Mar 2021 22:49:50 +0100 Message-Id: <20210310214950.84192-10-luc.vanoostenryck@gmail.com> X-Mailer: git-send-email 2.30.0 In-Reply-To: <20210310214950.84192-1-luc.vanoostenryck@gmail.com> References: <20210310214950.84192-1-luc.vanoostenryck@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-sparse@vger.kernel.org Signed-off-by: Luc Van Oostenryck --- simplify.c | 16 ++++++++++++++++ validation/optim/cmpu-or0.c | 1 - 2 files changed, 16 insertions(+), 1 deletion(-) diff --git a/simplify.c b/simplify.c index e721f9f860a0..9e3514d838a9 100644 --- a/simplify.c +++ b/simplify.c @@ -1324,6 +1324,22 @@ static int simplify_compare_constant(struct instruction *insn, long long value) if ((value & bits) != bits) return replace_with_value(insn, 1); break; + case OP_SET_B: + if (bits >= value) + return replace_with_value(insn, 0); + break; + case OP_SET_BE: + if (bits > value) + return replace_with_value(insn, 0); + break; + case OP_SET_AE: + if (bits > value) + return replace_with_value(insn, 1); + break; + case OP_SET_A: + if (bits >= value) + return replace_with_value(insn, 1); + break; case OP_SET_LE: value = sign_extend(value, def->size); if (bits & sign_bit(def->size)) { diff --git a/validation/optim/cmpu-or0.c b/validation/optim/cmpu-or0.c index 77360d3feb0f..e97e91809461 100644 --- a/validation/optim/cmpu-or0.c +++ b/validation/optim/cmpu-or0.c @@ -12,7 +12,6 @@ int cmpu_ior_gt_lt(int a) { return ((a | MASK) > (MASK - 1)) EQ(1); } /* * check-name: cmpu-or0 * check-command: test-linearize -Wno-decl $file - * check-known-to-fail * * check-output-ignore * check-output-returns: 1