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spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:36832 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kN1Br-0006BL-MA for qemu-devel@archiver.kernel.org; Mon, 28 Sep 2020 18:00:11 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:57912) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kN16r-0004td-0E for qemu-devel@nongnu.org; Mon, 28 Sep 2020 17:55:01 -0400 Received: from mail.netbsd.org ([199.233.217.200]:61625) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kN16m-0004a9-Rl for qemu-devel@nongnu.org; Mon, 28 Sep 2020 17:55:00 -0400 Received: from [IPv6:::1] (localhost [127.0.0.1]) by mail.netbsd.org (Postfix) with ESMTP id E327784C71; Mon, 28 Sep 2020 21:54:48 +0000 (UTC) To: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= , qemu-devel@nongnu.org References: <20200928131934.739451-1-philmd@redhat.com> <20200928131934.739451-8-philmd@redhat.com> From: Kamil Rytarowski Autocrypt: addr=kamil@netbsd.org; 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NetBSD amd64; rv:68.0) Gecko/20100101 Thunderbird/68.4.1 MIME-Version: 1.0 In-Reply-To: <20200928131934.739451-8-philmd@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=199.233.217.200; envelope-from=kamil@netbsd.org; helo=mail.netbsd.org X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/28 17:54:52 X-ACL-Warn: Detected OS = ??? X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, NICE_REPLY_A=-0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: Fam Zheng , Richard Henderson , Kamil Rytarowski , =?UTF-8?Q?Alex_Benn=c3=a9e?= Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 28.09.2020 15:19, Philippe Mathieu-Daudé wrote: > Since commit efc6c070aca ("configure: Add a test for the minimum > compiler version") the minimum compiler version required for GCC > is 4.8, which supports __builtin_bswap(). > Remove the NetBSD specific ifdef'ry. > > This reverts commit 1360677cfe3ca8f945fa1de77823df21a77e4500 > ("makes NetBSD use the native bswap functions"). > Personally, I prefer using the system headers. but if you want to use the GCC builtins, please go for it. > Signed-off-by: Philippe Mathieu-Daudé > --- > configure | 15 --------------- > include/qemu/bswap.h | 5 ----- > 2 files changed, 20 deletions(-) > > diff --git a/configure b/configure > index bff787daea7..1b0a02a0af8 100755 > --- a/configure > +++ b/configure > @@ -4886,18 +4886,6 @@ if test "$docs" != "no" ; then > fi > fi > > -# Search for bswap32 function > -bswap_h=no > -cat > $TMPC << EOF > -#include > -#include > -#include > -int main(void) { return bswap32(0); } > -EOF > -if compile_prog "" "" ; then > - bswap_h=yes > -fi > - > ########################################## > # Do we have libiscsi >= 1.9.0 > if test "$libiscsi" != "no" ; then > @@ -6779,9 +6767,6 @@ fi > if test "$st_atim" = "yes" ; then > echo "HAVE_STRUCT_STAT_ST_ATIM=y" >> $config_host_mak > fi > -if test "$bswap_h" = "yes" ; then > - echo "CONFIG_MACHINE_BSWAP_H=y" >> $config_host_mak > -fi > if test "$curl" = "yes" ; then > echo "CONFIG_CURL=y" >> $config_host_mak > echo "CURL_CFLAGS=$curl_cflags" >> $config_host_mak > diff --git a/include/qemu/bswap.h b/include/qemu/bswap.h > index 1a297bfec22..7e586531c09 100644 > --- a/include/qemu/bswap.h > +++ b/include/qemu/bswap.h > @@ -3,17 +3,12 @@ > > #include "fpu/softfloat-types.h" > > -#ifdef CONFIG_MACHINE_BSWAP_H > -# include > -# include > -#else > #undef bswap16 > #define bswap16(_x) __builtin_bswap16(_x) > #undef bswap32 > #define bswap32(_x) __builtin_bswap32(_x) > #undef bswap64 > #define bswap64(_x) __builtin_bswap64(_x) > -#endif /* ! CONFIG_MACHINE_BSWAP_H */ > > static inline void bswap16s(uint16_t *s) > { >