From patchwork Thu Oct 20 09:32:41 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Tsukasa OI X-Patchwork-Id: 59170 Return-Path: X-Original-To: patchwork@sourceware.org Delivered-To: patchwork@sourceware.org Received: from server2.sourceware.org (localhost [IPv6:::1]) by sourceware.org (Postfix) with ESMTP id 129343948A5F for ; Thu, 20 Oct 2022 09:41:04 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 129343948A5F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1666258864; bh=hI/p5isefST8vEytaz1gnVwBofv54NaUpMAfvNunBJk=; h=To:Subject:Date:In-Reply-To:References:List-Id:List-Unsubscribe: List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc: From; b=G+r7xcOG1kJPR2N9TucP3KycaGKhNdNZOjvUVsn6WpcGolNKqYr4tbNduvSkzVmUO y4L744m34W0NraCw0OMLkysD0qRtOk4rehA1dTy3UONkEXjLtgBY7Cg3AI9G37tEV/ oMitKwpijt8QzKM/BmLfjETIQCP2OS5HYR1fpLeI= X-Original-To: gdb-patches@sourceware.org Delivered-To: gdb-patches@sourceware.org Received: from mail-sender-0.a4lg.com (mail-sender.a4lg.com [153.120.152.154]) by sourceware.org (Postfix) with ESMTPS id 3ACFE3853807 for ; Thu, 20 Oct 2022 09:39:14 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org 3ACFE3853807 Received: from [127.0.0.1] (localhost [127.0.0.1]) by mail-sender-0.a4lg.com (Postfix) with ESMTPSA id 938CD300089; Thu, 20 Oct 2022 09:39:12 +0000 (UTC) To: Tsukasa OI , Andrew Burgess , Mike Frysinger , Nick Clifton Subject: [PATCH 36/40] sim/sh: Use fabs instead of abs Date: Thu, 20 Oct 2022 09:32:41 +0000 Message-Id: <1c1dc37d64784ff8fec4ab3e322f6b84693d8b92.1666258361.git.research_trasio@irq.a4lg.com> In-Reply-To: References: Mime-Version: 1.0 X-Spam-Status: No, score=-12.1 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, GIT_PATCH_0, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: Tsukasa OI via Gdb-patches From: Tsukasa OI Reply-To: Tsukasa OI Cc: gdb-patches@sourceware.org Errors-To: gdb-patches-bounces+patchwork=sourceware.org@sourceware.org Sender: "Gdb-patches" Clang generates a warning if abs function is called with a floating point argument ("-Wabsolute-value"). On the default configuration, it causes a build failure (unless "--disable-werror" is specified). After careful investigation, it is concluded that replacing abs with fabs is completely safe. --- sim/sh/interp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sim/sh/interp.c b/sim/sh/interp.c index fb92d9f4480..38f3f945a35 100644 --- a/sim/sh/interp.c +++ b/sim/sh/interp.c @@ -1401,7 +1401,7 @@ fsca_s (int in, double (*f) (double)) lower = result - error; frac = frexp (lower, &exp); lower = ldexp (ceil (ldexp (frac, 24)), exp - 24); - return abs (upper - result) >= abs (lower - result) ? upper : lower; + return fabs (upper - result) >= fabs (lower - result) ? upper : lower; } static float