From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: 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) From: Tsukasa OI To: Tsukasa OI , Andrew Burgess , Mike Frysinger , Nick Clifton Cc: gdb-patches@sourceware.org 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 Content-Transfer-Encoding: 8bit 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-List-Received-Date: Thu, 20 Oct 2022 09:39:15 -0000 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 -- 2.34.1