From patchwork Wed Aug 18 11:06:55 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: "Matheus K. Ferst" X-Patchwork-Id: 12443999 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=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 7A8BCC4320A for ; Wed, 18 Aug 2021 11:13:52 +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 E58E86109E for ; Wed, 18 Aug 2021 11:13:51 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org E58E86109E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=eldorado.org.br Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:59554 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mGJW2-0004ZN-S0 for qemu-devel@archiver.kernel.org; Wed, 18 Aug 2021 07:13:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:55126) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mGJTM-0002Yz-Fj; Wed, 18 Aug 2021 07:11:07 -0400 Received: from [201.28.113.2] (port=29581 helo=outlook.eldorado.org.br) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mGJTK-0004VP-Ut; Wed, 18 Aug 2021 07:11:04 -0400 Received: from power9a ([10.10.71.235]) by outlook.eldorado.org.br with Microsoft SMTPSVC(8.5.9600.16384); Wed, 18 Aug 2021 08:10:55 -0300 Received: from eldorado.org.br (unknown [10.10.70.45]) by power9a (Postfix) with ESMTP id 6BE968014D6; Wed, 18 Aug 2021 08:10:55 -0300 (-03) From: matheus.ferst@eldorado.org.br To: qemu-devel@nongnu.org, qemu-ppc@nongnu.org Subject: [PATCH for-6.2 v2 1/2] include/qemu/int128.h: introduce bswap128s Date: Wed, 18 Aug 2021 08:06:55 -0300 Message-Id: <20210818110656.1993090-2-matheus.ferst@eldorado.org.br> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210818110656.1993090-1-matheus.ferst@eldorado.org.br> References: <20210818110656.1993090-1-matheus.ferst@eldorado.org.br> MIME-Version: 1.0 X-OriginalArrivalTime: 18 Aug 2021 11:10:55.0860 (UTC) FILETIME=[B72B0340:01D79421] X-Host-Lookup-Failed: Reverse DNS lookup failed for 201.28.113.2 (failed) Received-SPF: pass client-ip=201.28.113.2; envelope-from=matheus.ferst@eldorado.org.br; helo=outlook.eldorado.org.br X-Spam_score_int: -2 X-Spam_score: -0.3 X-Spam_bar: / X-Spam_report: (-0.3 / 5.0 requ) BAYES_00=-1.9, PDS_HP_HELO_NORDNS=0.825, RDNS_NONE=0.793, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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: peter.maydell@linaro.org, philmd@redhat.com, richard.henderson@linaro.org, groug@kaod.org, Matheus Ferst , david@gibson.dropbear.id.au Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" From: Matheus Ferst Changes the current bswap128 implementation to use __builtin_bswap128 when available, adds a bswap128 implementation for !CONFIG_INT128 builds, and introduces bswap128s based on bswap128. Signed-off-by: Matheus Ferst Reviewed-by: Philippe Mathieu-Daudé Reviewed-by: Peter Maydell --- include/qemu/int128.h | 15 +++++++++++++++ 1 file changed, 15 insertions(+) diff --git a/include/qemu/int128.h b/include/qemu/int128.h index 64500385e3..8d6ee5203f 100644 --- a/include/qemu/int128.h +++ b/include/qemu/int128.h @@ -155,7 +155,11 @@ static inline void int128_subfrom(Int128 *a, Int128 b) static inline Int128 bswap128(Int128 a) { +#if __has_builtin(__builtin_bswap128) + return __builtin_bswap128(a); +#else return int128_make128(bswap64(int128_gethi(a)), bswap64(int128_getlo(a))); +#endif } #else /* !CONFIG_INT128 */ @@ -337,5 +341,16 @@ static inline void int128_subfrom(Int128 *a, Int128 b) *a = int128_sub(*a, b); } +static inline Int128 bswap128(Int128 a) +{ + return int128_make128(bswap64(a.hi), bswap64(a.lo)); +} + #endif /* CONFIG_INT128 */ + +static inline void bswap128s(Int128 *s) +{ + *s = bswap128(*s); +} + #endif /* INT128_H */