From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from m13140.mail.163.com (m13140.mail.163.com [220.181.13.140]) by sourceware.org (Postfix) with ESMTP id F19603858D32 for ; Wed, 30 Nov 2022 07:23:12 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.1 sourceware.org F19603858D32 Authentication-Results: sourceware.org; dmarc=pass (p=none dis=none) header.from=163.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=163.com DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=163.com; s=s110527; h=Date:From:Subject:Content-Type:MIME-Version: Message-ID; bh=lAhkMXwe7xeGT3/TDyUVd+3suASawQsIYkbM/w7FwGY=; b=S HXpkoNkU65OkON79vFYT5r1fUaFGl9A78vrrl+kja+cc0O27yntDPpBs+wRfeWnJ 2mJisip0wf+88TvohjethlBhVpxC16Gq6gAPn8yUhgN3JWROAX2RawKdqOPQP1uL Vscp+YUshqyRPBGvYpIgikexX8vacGOXuyIVarqQOY= Received: from bootmgr$163.com ( [113.122.243.113] ) by ajax-webmail-wmsvr140 (Coremail) ; Wed, 30 Nov 2022 15:23:08 +0800 (CST) X-Originating-IP: [113.122.243.113] Date: Wed, 30 Nov 2022 15:23:08 +0800 (CST) From: "bootmgr@163.com" To: gcc-help@gcc.gnu.org Subject: Is there an intrinsic similar to _BitScanForward on Linux? X-Priority: 3 X-Mailer: Coremail Webmail Server Version XT5.0.13 build 20220113(9671e152) Copyright (c) 2002-2022 www.mailtech.cn 163com X-NTES-SC: AL_QuydC/uSvUEj7iCdYekXmkwThe4/XMS5uf8m34FUOZE0myrXwgUYbGN7N3/n//CBExqWrASFXDdC6fhjco5pfr47l/1ZuhHi0zcQiyoNAlDo Content-Type: multipart/alternative; boundary="----=_Part_58301_786388895.1669792988060" MIME-Version: 1.0 Message-ID: <132592a1.3db9.184c76afb9c.Coremail.bootmgr@163.com> X-Coremail-Locale: zh_CN X-CM-TRANSID:jMGowAD3ytrcBIdj3T5sAA--.20587W X-CM-SenderInfo: xerr3zlju6il2tof0z/xtbB5xTJ1GBHI5sx6AAAso X-Coremail-Antispam: 1U5529EdanIXcx71UUUUU7vcSsGvfC2KfnxnUU== X-Spam-Status: No, score=-1.6 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM,HTML_MESSAGE,RCVD_IN_DNSWL_NONE,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 List-Id: ------=_Part_58301_786388895.1669792988060 Content-Type: text/plain; charset=GBK Content-Transfer-Encoding: base64 R3JlZXRpbmdzLApJJ20gbm90IHN1cmUgaWYgaXQncyBhcHByb3ByaWF0ZSB0 byBhc2sgYSBxdWVzdGlvbiBoZXJlLCBzbyBwbGVhc2UgdW5kZXJzdGFuZC4K CgpJIHRyeWluZyB0byB3cml0ZSBhIGZ1bmN0aW9uIGxpa2Ugc3RybGVuIHRv IGNhbGN1bGF0ZSB0aGUgbGVuZ3RoIG9mIGEgbnVsbC10ZXJtaW5hdGVkIHN0 cmluZy4gSGVyZSBpcyBhIGNvZGUKc25pcHBldC4KCgpbW25vZGlzY2FyZF1d IGlubGluZSBzdGQ6OnNpemVfdCBzdHJsZW4oY29uc3QgY2hhciAqc3RyKSBu b2V4Y2VwdCB7CiAgY29uc3QgYXV0byB1aW50X3B0ciA9IHJlaW50ZXJwcmV0 X2Nhc3Q8c3RkOjp1aW50cHRyX3Q+KHN0cik7CiAgdXNpbmcgdjE2cWkgW1tn bnU6OnZlY3Rvcl9zaXplKDE2KV1dID0gY2hhcjsKICBjb25zdGV4cHIgc3Rk Ojp1aW50cHRyX3QgbWFzayA9IDB4RjsKICBhdXRvIHhtbV93b3JkID0gcmVp bnRlcnByZXRfY2FzdDxjb25zdCB2MTZxaSAqPih1aW50X3B0ciAmIH5tYXNr KTsKICB2MTZxaSB4bW0wOwogIF9fYnVpbHRpbl9tZW1zZXQoc3RkOjphZGRy ZXNzb2YoeG1tMCksIDAsIHNpemVvZih4bW0wKSk7CiAgdW5zaWduZWQgbG9u ZyByZXN1bHQ7CiAgaWYgKF9CaXRTY2FuRm9yd2FyZChzdGQ6OmFkZHJlc3Nv ZihyZXN1bHQpLAogICAgICAgICAgX19idWlsdGluX2lhMzJfcG1vdm1za2Ix MjgoKnhtbV93b3JkID09IHhtbTApID4+ICh1aW50X3B0ciAmIG1hc2spKSkK ICAgIHJldHVybiByZXN1bHQ7CiAgLyogLi4uICovCn0KCgpBbmQgSSB3YW50 IHRvIHBvcnQgaXQgdG8gTGludXgsIHNvIEkgYW0gbG9va2luZyBmb3IgYW55 IGZ1bmN0aW9ucyBsaWtlIF9CaXRTY2FuRm9yd2FyZC4gSSB0cnlpbmcgdG8g dXNlCl9fYnVpbHRpbl9jdHogaW5zdGVhZCBfQml0U2NhbkZvcndhcmQsIGJ1 dCBpdCBpcyB1bmRlZmluZWQgd2hlbiB4IGlzIDAgYW5kIGl0IGNhbid0CmRl dGVybWluZSB3aGV0aGVyIHggaXMgMCBvciBub3QuIFRoZW4gSSBmb3VuZCBf X2JzZmQgaW4geDg2aW50cmluLmgsIGJ1dCBpdCdzIHRoZSBzYW1lIGFzCl9f YnVpbHRpbl9jdHosIHdoaWNoIGNhbid0IGRldGVybWluZSB4IGlzIDAuCgoK U28gaXMgdGhlcmUgYW55IHNvbHV0aW9uLCBwcmVmZXJhYmx5IGNyb3NzLXBs YXRmb3JtPwoKCg== ------=_Part_58301_786388895.1669792988060--